/* =========================
   Fonts
   ========================= */

@font-face {
  font-family: 'Pretendard';
  src: url('../fonts/Pretendard-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Pretendard';
  src: url('../fonts/Pretendard-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* =========================
   Root / Reset
   ========================= */

:root {
  --brand-blue: #1e3a8a;
  --brand-blue-2: #2563eb;
  --brand-blue-3: #60a5fa;
  --brand-blue-4: #93c5fd;
  --brand-navy: #081b44;
  --brand-deep: #071634;
  --brand-dark: #06142f;
  --white: #ffffff;
  --text-soft: rgba(226, 232, 240, 0.92);
  --text-muted: #95a7d3;
  --hero-max: 1280px;
  --radius-pill: 999px;
  --container: min(1280px, calc(100% - 40px));
  --line: rgba(255,255,255,0.12);
  --line-strong: rgba(255,255,255,0.22);
  --card-bg: rgba(255,255,255,0.08);
  --card-border: rgba(255,255,255,0.14);
  --shadow-card: 0 20px 50px rgba(8, 27, 68, 0.10);
  --shadow-dark: 0 24px 60px rgba(0, 0, 0, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
  background:
    radial-gradient(circle at 10% 10%, rgba(96,165,250,0.10), transparent 20%),
    radial-gradient(circle at 90% 30%, rgba(147,197,253,0.08), transparent 20%),
    linear-gradient(180deg, #06142F 0%, #081B44 24%, #0A1B3F 48%, #F5F9FF 48%, #EEF4FF 100%);
  color: #111827;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.28;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 65%);
  z-index: 0;
}

img {
  display: block;
  max-width: 100%;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  font: inherit;
}

.container-wide {
  width: var(--container);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.text-white {
  color: #fff !important;
}

.text-blue-soft {
  color: rgba(234,242,255,0.82) !important;
}

/* =========================
   Header Upgrade
   ========================= */

.header-shell {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(15,23,42,0.08);
}

.header-inner {
  width: min(1280px, calc(100% - 48px));
  height: 96px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.header-logo img {
  height: 58px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 48px;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 96px;
  color: rgba(15,23,42,0.88);
  font-size: 1.12rem;
  font-weight: 800;
  transition: color 0.25s ease;
  text-decoration: none;
  white-space: nowrap;
}

.nav-link:hover {
  color: #0f2858;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 24px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #2563eb, #93c5fd);
  transform: scaleX(1);
  transform-origin: center;
  opacity: 0.95;
}

/* Mega Menu */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: rgba(255,255,255,0.97);
  border-top: 1px solid rgba(148,173,220,0.14);
  box-shadow:
    0 18px 36px rgba(8,27,68,0.10),
    0 6px 16px rgba(8,27,68,0.05);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    visibility 0.25s ease,
    transform 0.25s ease;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-shell:hover .mega-menu,
.header-shell.is-open .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.mega-menu-inner {
  width: min(1280px, calc(100% - 48px));
  margin: 0 auto;
  padding: 32px 0 36px;
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 34px;
}

.mega-menu-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.mega-menu-title {
  display: inline-block;
  margin-bottom: 16px;
  padding-bottom: 6px;
  color: #0f2858;
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.02em;
  text-decoration: none;
  border-bottom: 2px solid #0f2858;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.mega-menu-title:hover {
  color: #1d4ed8;
  border-bottom-color: #1d4ed8;
}

.mega-sub-link {
  display: block;
  padding: 8px 0;
  color: #17336d;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.55;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, transform 0.2s ease;
}

.mega-sub-link:hover {
  color: #1d4ed8;
  transform: translateX(2px);
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #0f172a;
  margin: 0 auto;
  border-radius: 999px;
  transition: all 0.3s ease;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  background: #ffffff;
}

.mobile-menu-inner {
  width: min(100%, calc(100% - 32px));
  margin: 0 auto;
  padding: 14px 0 24px;
}

.mobile-menu-group + .mobile-menu-group {
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  margin-top: 16px;
  padding-top: 16px;
}

.mobile-main-link {
  display: inline-block;
  font-size: 1.04rem;
  font-weight: 800;
  color: #123a7d;
  text-decoration: none;
  padding-bottom: 6px;
  border-bottom: 2px solid #123a7d;
  margin-bottom: 12px;
}

.mobile-sub-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

.mobile-sub-links a {
  font-size: 0.98rem;
  font-weight: 600;
  color: #334155;
  text-decoration: none;
}

.mobile-sub-links a:hover {
  color: #1d4ed8;
}

/* Responsive */
@media (max-width: 1180px) {
  .header-inner,
  .mega-menu-inner {
    width: calc(100% - 40px);
  }

  .mega-menu-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .nav-desktop {
    gap: 32px;
  }

  .nav-link {
    font-size: 1.04rem;
  }
}

@media (max-width: 920px) {
  .nav-desktop,
  .mega-menu {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .header-shell.mobile-open .mobile-menu {
    display: block;
  }

  .header-inner {
    width: calc(100% - 32px);
    height: 82px;
  }

  .header-logo img {
    height: 48px;
  }
}

@media (max-width: 768px) {
  .mobile-menu-inner {
    width: calc(100% - 32px);
    padding: 18px 0 24px;
  }

  .mobile-main-link {
    font-size: 1rem;
  }

  .mobile-sub-links a {
    font-size: 0.95rem;
  }
}

/* =========================
   Hero Common
   ========================= */

.hero {
  position: relative;
  min-height: calc(100vh - 80px);
  overflow: hidden;
  color: var(--white);
}

.hero-inner {
  position: relative;
  max-width: var(--hero-max);
  width: 100%;
  margin: 0 auto;
  padding: 0 40px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.btn-primary,
.btn-outline,
.btn-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 26px;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.btn-primary {
  color: #ffffff;
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(37, 99, 235, 0.42);
}

.btn-outline {
  color: #dbeafe;
  border: 1px solid rgba(147, 197, 253, 0.62);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn-outline:hover {
  transform: translateY(-2px);
  border-color: rgba(191, 219, 254, 0.82);
  background: rgba(255, 255, 255, 0.08);
}

.btn-light {
  color: #1e3a8a;
  background: #fff;
  border: 1px solid rgba(30,58,138,0.10);
  box-shadow: 0 18px 30px rgba(8,27,68,.10);
}

.btn-light:hover {
  transform: translateY(-2px);
}

/* =========================
   Photo Hero
   ========================= */

.hero-photo {
  position: relative;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #071634 0%, #0d275d 42%, #1c4fb7 100%);
  overflow: hidden;
  color: #fff;
}

.hero-photo-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background-image: url("../hero_back_img.webp");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  transform: scale(1.06);
  filter: brightness(0.52) saturate(1.08) contrast(1.08);
}

.hero-photo-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 18%, rgba(255,255,255,0.16) 0%, rgba(255,255,255,0.06) 16%, rgba(255,255,255,0) 34%),
    radial-gradient(circle at 82% 78%, rgba(96,165,250,0.16) 0%, rgba(96,165,250,0) 28%);
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero-photo-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(2, 10, 28, 0.82) 0%,
      rgba(5, 18, 46, 0.68) 28%,
      rgba(8, 27, 68, 0.52) 52%,
      rgba(12, 36, 88, 0.30) 72%,
      rgba(20, 71, 170, 0.12) 100%
    ),
    linear-gradient(
      180deg,
      rgba(3, 10, 26, 0.34) 0%,
      rgba(3, 10, 26, 0.08) 22%,
      rgba(3, 10, 26, 0.22) 70%,
      rgba(3, 10, 26, 0.52) 100%
    );
  pointer-events: none;
}

.hero-photo-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(
      to bottom,
      rgba(7, 22, 52, 0.18) 0%,
      rgba(7, 22, 52, 0.08) 26%,
      rgba(7, 22, 52, 0.18) 58%,
      rgba(7, 22, 52, 0.34) 100%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(255,255,255,0.12) 0%,
      rgba(255,255,255,0.04) 14%,
      rgba(255,255,255,0) 34%
    ),
    radial-gradient(
      circle at 72% 82%,
      rgba(147,197,253,0.16) 0%,
      rgba(147,197,253,0) 24%
    );
  pointer-events: none;
}

.hero-photo::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: 0.10;
  z-index: 1;
  pointer-events: none;
}

.hero-photo::after {
  content: "";
  position: absolute;
  right: -120px;
  top: 50%;
  transform: translateY(-50%);
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background:
    radial-gradient(circle,
      rgba(255,255,255,0.04) 0%,
      rgba(147,197,253,0.07) 18%,
      rgba(96,165,250,0.04) 36%,
      rgba(96,165,250,0) 72%);
  filter: blur(34px);
  z-index: 1;
  pointer-events: none;
}

.hero-photo .hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 0 80px;
}

.hero-photo .hero-text {
  max-width: 760px;
  padding: 120px 0 140px;
}

.hero-photo .hero-eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  margin-bottom: 28px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.92);
  font-size: 15px;
  font-weight: 600;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.hero-photo .hero-text h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(52px, 5.4vw, 84px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.05em;
  word-break: keep-all;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.28);
}

.hero-photo .hero-text h1 span {
  display: inline-block;
  margin-top: 0.04em;
  color: #7fb8ff;
}

.hero-photo .hero-line-fixed {
  white-space: nowrap;
}

.hero-photo .hero-text p {
  margin: 30px 0 0;
  max-width: 760px;
  font-size: clamp(18px, 1.3vw, 26px);
  line-height: 1.75;
  color: rgba(235,243,255,0.92);
  word-break: keep-all;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.20);
}

.hero-photo .hero-buttons {
  display: flex;
  gap: 16px;
  margin-top: 42px;
}

.hero-photo .btn-primary,
.hero-photo .btn-outline {
  min-width: 152px;
  height: 56px;
  padding: 0 26px;
  border-radius: 999px;
  font-size: 17px;
}

.scroll-indicator {
  position: absolute;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.72);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.9), rgba(255,255,255,0.1));
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: "";
  position: absolute;
  left: 0;
  top: -20px;
  width: 100%;
  height: 20px;
  background: #fff;
  animation: scrollLine 2s ease-in-out infinite;
}

/* =========================
   Sections
   ========================= */

.section {
  position: relative;
  z-index: 1;
  padding: 110px 0;
}

.section-dark {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 12%, rgba(96,165,250,0.12), transparent 24%),
    radial-gradient(circle at 12% 88%, rgba(147,197,253,0.08), transparent 22%),
    linear-gradient(180deg, #071634 0%, #081b44 100%);
  color: #ffffff;
}

.section-dark::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(96,165,250,0.22), transparent 68%);
  top: -180px;
  right: -120px;
  pointer-events: none;
  filter: blur(16px);
}

.section-dark::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.08), transparent 72%);
  bottom: -160px;
  left: -80px;
  pointer-events: none;
  filter: blur(12px);
}

.section-light {
  color: #0E224B;
  background:
    radial-gradient(circle at 90% 8%, rgba(96,165,250,0.09), transparent 20%),
    radial-gradient(circle at 10% 92%, rgba(147,197,253,0.12), transparent 18%),
    linear-gradient(180deg, #F7FAFF 0%, #EFF5FF 100%);
}

.section-heading {
  max-width: 800px;
  margin: 0 auto 62px;
  text-align: center;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid rgba(96,165,250,.18);
  background: rgba(255,255,255,.7);
  color: #2563EB;
  font-size: .85rem;
  font-weight: 800;
  margin-bottom: 18px;
  box-shadow: 0 10px 24px rgba(37,99,235,.06);
}

.section-title {
  margin: 0 0 18px;
  font-size: clamp(2rem, 3.6vw, 3.4rem);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: inherit;
  word-break: keep-all;
}

.section-desc {
  margin: 0 auto;
  max-width: 920px;
  font-size: clamp(1.08rem, 1.35vw, 1.32rem);
  line-height: 1.5;
  color: #4F638F;
  word-break: keep-all;
  white-space: normal;
}

/* =========================
   Grid
   ========================= */

.grid-2,
.grid-3,
.stats-wrap,
.flow-grid,
.case-grid,
.esg-grid,
.network-row,
.contact-info-list,
.estimate-grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stats-wrap {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 40px;
}

.flow-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}

.case-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.esg-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.network-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.contact-info-list {
  gap: 16px;
}

.estimate-grid.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* =========================
   Cards
   ========================= */

.info-card,
.case-card {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border-radius: 28px;
  background: rgba(255,255,255,0.94);
  border: 1px solid rgba(165,190,245,0.25);
  box-shadow: var(--shadow-card);
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}

.info-card:hover,
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 60px rgba(8,27,68,0.14);
  border-color: rgba(96,165,250,0.35);
}

.info-card::before,
.case-card::before {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(96,165,250,0.16), transparent 68%);
  right: -40px;
  top: -40px;
  pointer-events: none;
}

.dark-card,
.esg-card,
.network-item,
.network-core,
.stat-card,
.contact-info-card {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-dark);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.dark-card,
.esg-card,
.network-item,
.network-core {
  padding: 34px;
}

.dark-card {
  transition: .28s ease;
}

.dark-card:hover,
.esg-card:hover {
  transform: translateY(-6px);
  border-color: rgba(147,197,253,0.32);
  box-shadow: 0 30px 70px rgba(0,0,0,.22), 0 0 40px rgba(96,165,250,.08);
}

.dark-card::before {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(96,165,250,.18), transparent 70%);
  right: -70px;
  top: -70px;
  pointer-events: none;
}

.card-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 46px;
  border-radius: 16px;
  background: linear-gradient(135deg, #DBEAFE 0%, #EFF6FF 100%);
  color: #1D4ED8;
  font-size: 1rem;
  font-weight: 700;
  box-shadow: inset 0 0 0 1px rgba(96,165,250,.18);
  margin-bottom: 20px;
}

.card-title,
.case-title,
.dark-title {
  line-height: 1.35;
  letter-spacing: -0.03em;
  margin: 0 0 14px;
}

.card-title,
.case-title {
  color: #0E224B;
}

.card-title {
  font-size: 1.45rem;
  font-weight: 700;
}

.case-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.dark-title {
  color: #fff;
  font-size: 1.38rem;
  font-weight: 700;
}

.card-text,
.case-text,
.dark-text {
  line-height: 1.85;
  margin: 0;
  word-break: keep-all;
}

.card-text,
.case-text {
  color: #576B95;
}

.dark-text {
  color: rgba(234,242,255,0.76);
}

/* =========================
   Stats
   ========================= */

.stat-card {
  padding: 28px 24px;
  text-align: center;
}

.stat-num {
  display: block;
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: -0.04em;
}

.stat-label {
  color: rgba(234,242,255,0.78);
  font-size: .96rem;
  line-height: 1.6;
  word-break: keep-all;
}

/* =========================
   Intro Service Cards
   HTML 기준:
   .intro-service-more
   .intro-service-overlay
   .intro-service-card-panel
   ========================= */

.intro-service-cards {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.intro-service-card {
  position: relative;
  min-height: 400px;
  padding: 28px 28px 30px;
  border-radius: 30px;
  overflow: hidden;
  border: 1px solid transparent;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease,
    background 0.25s ease;
}

.intro-service-card:hover {
  transform: translateY(-6px);
}

.intro-service-card.is-dark {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.06));
  border-color: rgba(255,255,255,0.14);
  box-shadow:
    0 24px 60px rgba(0,0,0,0.16),
    inset 0 1px 0 rgba(255,255,255,0.04);
  color: #ffffff;
}

.intro-service-card.is-light {
  background:
    linear-gradient(180deg, #eef2f7 0%, #dde4ee 100%);
  border-color: rgba(8,27,68,0.10);
  box-shadow:
    0 24px 60px rgba(0,0,0,0.10),
    inset 0 1px 0 rgba(255,255,255,0.55);
  color: #081b44;
}

.intro-service-card::before {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  top: -80px;
  right: -60px;
  pointer-events: none;
}

.intro-service-card.is-dark::before {
  background: radial-gradient(circle, rgba(147,197,253,0.14), transparent 70%);
}

.intro-service-card.is-light::before {
  background: radial-gradient(circle, rgba(8,27,68,0.08), transparent 70%);
}

.intro-service-card-top {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: 14px;
}

.intro-service-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  height: 54px;
  padding: 0 16px;
  border-radius: 18px;
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1;
}

.intro-service-card.is-dark .intro-service-badge {
  background: linear-gradient(180deg, #f3f8ff 0%, #dfeaff 100%);
  color: #2563eb;
  box-shadow: 0 12px 24px rgba(37,99,235,0.16);
}

.intro-service-card.is-light .intro-service-badge {
  background: rgba(8,27,68,0.08);
  color: #081b44;
}

.intro-service-card-main {
  position: relative;
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.intro-service-card-title {
  margin: 0;
  text-align: center;
  font-size: clamp(2.3rem, 2.5vw, 3.2rem);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.05em;
  word-break: keep-all;
}

.intro-service-more {
  margin-top: 28px;
  min-width: 94px;
  height: 40px;
  padding: 0 18px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  z-index: 2;
}

.intro-service-card.is-light .intro-service-more {
  border: 1px solid rgba(11,36,95,0.14);
  background: rgba(11,36,95,0.06);
  color: #0b245f;
}

.intro-service-more:hover {
  transform: translateY(-1px);
}

.intro-service-overlay {
  position: absolute;
  left: 28px;
  right: 28px;
  top: 176px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px) scale(0.96);
  transition:
    opacity 0.32s ease,
    transform 0.32s ease,
    visibility 0.32s ease;
  z-index: 3;
  pointer-events: none;
}

.intro-service-card.is-open .intro-service-overlay {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.intro-service-card.is-open .intro-service-more {
  opacity: 0;
  visibility: hidden;
  transform: scale(0.9);
}

.intro-service-card-panel {
  border-radius: 22px;
  padding: 28px 24px;
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-sizing: border-box;
  box-shadow: 0 16px 32px rgba(0,0,0,0.10);
}

.intro-service-card.is-dark .intro-service-card-panel {
  background: #eef2f7;
}

.intro-service-card.is-light .intro-service-card-panel {
  background: #081b44;
}

.intro-service-card-text {
  margin: 0;
  font-size: clamp(1.02rem, 1.02vw, 1.14rem);
  line-height: 1.8;
  font-weight: 500;
  word-break: keep-all;
}

.intro-service-card.is-dark .intro-service-card-text {
  color: #081b44 !important;
}

.intro-service-card.is-light .intro-service-card-text {
  color: #ffffff !important;
}

/* Intro stats tuning */
.section.section-dark .stats-wrap {
  gap: 24px;
  margin-top: 34px;
}

.section.section-dark .stats-wrap .stat-card {
  min-height: 180px;
  padding: 30px 20px;
  border-radius: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.section.section-dark .stats-wrap .stat-num {
  margin-bottom: 14px;
  font-size: clamp(3.2rem, 3.3vw, 4.4rem);
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.section.section-dark .stats-wrap .stat-label {
  font-size: clamp(1rem, 1vw, 1.18rem);
  line-height: 1.7;
  text-align: center;
  color: rgba(234,242,255,0.82);
  word-break: keep-all;
}

/* =========================
   Flow
   ========================= */

.flow-wrap {
  position: relative;
  margin-top: 24px;
}

.flow-line {
  position: absolute;
  left: 6%;
  right: 6%;
  top: 92px;
  height: 2px;
  background: linear-gradient(90deg, rgba(96,165,250,.18), rgba(37,99,235,.60), rgba(96,165,250,.18));
  box-shadow: 0 0 20px rgba(96,165,250,.25);
}

.flow-card {
  text-align: center;
  border-radius: 26px;
  padding: 26px 18px 24px;
  background: rgba(255,255,255,0.95);
  border: 1px solid rgba(96,165,250,.18);
  box-shadow: var(--shadow-card);
  transition: .28s ease;
  position: relative;
  z-index: 2;
}

.flow-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 54px rgba(8,27,68,.14);
}

.flow-icon {
  width: 62px;
  height: 62px;
  border-radius: 20px;
  margin: 0 auto 16px;
  display: grid;
  place-items: center;
  color: #2563EB;
  background: linear-gradient(135deg, #DBEAFE 0%, #EFF6FF 100%);
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: inset 0 0 0 1px rgba(96,165,250,.22);
}

.flow-title {
  color: #0E224B;
  font-size: 1.08rem;
  font-weight: 700;
  margin: 0 0 8px;
  word-break: keep-all;
}

.flow-text {
  color: #5F739D;
  font-size: .94rem;
  line-height: 1.7;
  margin: 0;
  word-break: keep-all;
}

/* =========================
   Network
   ========================= */

.network-shell {
  border-radius: 34px;
  padding: 42px 26px;
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.05));
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-dark);
  position: relative;
  overflow: hidden;
}

.network-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 16%, rgba(147,197,253,.15), transparent 20%),
    radial-gradient(circle at 50% 82%, rgba(96,165,250,.10), transparent 18%);
  pointer-events: none;
}

.network-top {
  display: flex;
  justify-content: center;
  margin-bottom: 46px;
  position: relative;
  z-index: 2;
}

.network-core {
  width: min(520px, 100%);
  text-align: center;
}

.network-core::before {
  content: "";
  position: absolute;
  inset: auto 50% -22px 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 22px;
  background: linear-gradient(to bottom, rgba(147,197,253,.88), rgba(147,197,253,.12));
}

.network-core h3 {
  margin: 0 0 12px;
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.04em;
}

.network-core p,
.network-item p {
  margin: 0;
  color: rgba(234,242,255,.78);
  line-height: 1.8;
}

.network-row {
  position: relative;
  padding-top: 42px;
  z-index: 2;
}

.network-row::before {
  content: "";
  position: absolute;
  left: 16.66%;
  right: 16.66%;
  top: 0;
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    rgba(147,197,253,.78) 0 8px,
    transparent 8px 16px
  );
  box-shadow: 0 0 18px rgba(96,165,250,.22);
}

.network-plus {
  position: absolute;
  top: -16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #FACC15, #F59E0B);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 700;
  box-shadow: 0 12px 28px rgba(245,158,11,.24);
  z-index: 3;
}

.plus-a { left: 33.33%; transform: translateX(-50%); }
.plus-b { left: 66.66%; transform: translateX(-50%); }

.network-item {
  min-height: 220px;
  box-shadow: 0 20px 44px rgba(0,0,0,.12);
}

.network-item::before {
  content: "";
  position: absolute;
  top: -42px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 42px;
  background: repeating-linear-gradient(
    to bottom,
    rgba(147,197,253,.8) 0 8px,
    transparent 8px 16px
  );
  box-shadow: 0 0 16px rgba(96,165,250,.18);
}

.network-item h4 {
  margin: 0 0 12px;
  font-size: 1.24rem;
  color: #fff;
  font-weight: 700;
  letter-spacing: -0.03em;
}

/* =========================
   Cases
   ========================= */

.case-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: #EFF6FF;
  color: #2563EB;
  font-size: .84rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.case-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.case-list span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: #F7FAFF;
  border: 1px solid #DCEAFE;
  color: #325391;
  font-size: .92rem;
  font-weight: 700;
}

/* =========================
   ESG
   ========================= */

.esg-card {
  transition: .28s ease;
}

.esg-icon {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(255,255,255,.18), rgba(255,255,255,.08));
  border: 1px solid rgba(255,255,255,.14);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

.esg-card h3 {
  margin: 0 0 12px;
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.03em;
}

.esg-card p {
  margin: 0;
  color: rgba(234,242,255,.76);
  line-height: 1.85;
  word-break: keep-all;
}

/* =========================
   Contact Estimate
   ========================= */

.contact-estimate-wrap {
  display: grid;
  grid-template-columns: 1.02fr 1fr;
  gap: 30px;
  align-items: stretch;
}

.contact-estimate-left {
  padding: 14px 0;
}

.contact-kicker {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #93C5FD;
  box-shadow: none;
}

.contact-estimate-title {
  margin: 0 0 18px;
  color: #fff;
  font-size: clamp(2rem, 3.8vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: -0.04em;
  word-break: keep-all;
}

.contact-estimate-desc {
  margin: 0 0 28px;
  color: rgba(234, 242, 255, 0.82);
  font-size: 1.05rem;
  line-height: 1.9;
  word-break: keep-all;
}

.contact-info-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
}

.contact-info-icon {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  color: #fff;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.95), rgba(37, 99, 235, 0.82));
  box-shadow: 0 16px 30px rgba(37, 99, 235, 0.22);
  flex-shrink: 0;
}

.contact-info-text span {
  display: block;
  color: rgba(234, 242, 255, 0.68);
  font-size: 0.92rem;
  margin-bottom: 4px;
}

.contact-info-text strong {
  color: #fff;
  font-size: 1.08rem;
  font-weight: 700;
}

.contact-estimate-form-card {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  padding: 34px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(165, 190, 245, 0.24);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.16);
  font-family: 'Pretendard', sans-serif;
}

.contact-estimate-form-card::before {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  top: -70px;
  right: -60px;
  background: radial-gradient(circle, rgba(96, 165, 250, 0.16), transparent 68%);
  pointer-events: none;
}

.contact-form-title {
  margin: 0 0 22px;
  color: #0E224B;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.estimate-form {
  position: relative;
  z-index: 1;
}

.estimate-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.estimate-grid.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  display: block;
  margin: 0 0 12px;
  padding: 0;
  color: #17336D;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.45;
}

.form-group label em {
  color: #2563EB;
  font-style: normal;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1px solid #c9d8f5;
  border-radius: 18px;
  background: #f7f8fb;
  color: #1e2f5d;
  font-size: 16px;
  font-family: inherit;
  font-weight: 500;
  box-sizing: border-box;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

/* 한 줄 입력칸 */
.form-group input,
.form-group select {
  height: 56px;
  padding: 0 18px;
  line-height: 56px;
}

/* 여러 줄 입력칸 */
.form-group textarea {
  min-height: 170px;
  padding: 18px;
  line-height: 1.7;
  resize: vertical;
}

/* placeholder */
.form-group input::placeholder,
.form-group textarea::placeholder,
.form-group select {
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  color: #8b8f97;
  opacity: 1;
}

/* select 화살표 */
.form-group select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 44px;
  background-image:
    linear-gradient(45deg, transparent 50%, #0E224B 50%),
    linear-gradient(135deg, #0E224B 50%, transparent 50%);
  background-position:
    calc(100% - 22px) calc(50% - 3px),
    calc(100% - 16px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

/* 포커스 */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #60A5FA;
  box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.16);
  background: #fff;
}

.estimate-submit-btn {
  width: 100%;
  margin-top: 8px;
  min-height: 58px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #2563EB 0%, #3B82F6 100%);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 18px 34px rgba(37, 99, 235, 0.24);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.estimate-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 40px rgba(37, 99, 235, 0.32);
}

.estimate-form-note {
  margin: 14px 4px 0;
  color: #6B7FA8;
  font-size: 0.88rem;
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 1024px) {
  .contact-estimate-wrap {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .contact-estimate-form-card {
    padding: 26px 20px;
    border-radius: 24px;
  }

  .estimate-grid.two-col {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .form-group label {
    margin-bottom: 10px;
  }

  .form-group input,
  .form-group select {
    height: 54px;
    line-height: 54px;
  }

  .form-group textarea {
    min-height: 150px;
  }
}

/* =========================
   CTA
   ========================= */

.cta-panel {
  position: relative;
  overflow: hidden;
  border-radius: 36px;
  padding: 56px 42px;
  background:
    radial-gradient(circle at 20% 20%, rgba(96,165,250,.24), transparent 22%),
    radial-gradient(circle at 86% 24%, rgba(147,197,253,.18), transparent 20%),
    linear-gradient(135deg, #071634 0%, #0D275D 42%, #1C4FB7 100%);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 30px 80px rgba(4,13,34,.22);
}

.cta-panel::before {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  right: -80px;
  top: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.16), transparent 68%);
  filter: blur(10px);
  pointer-events: none;
}

.cta-title {
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin: 0 0 16px;
  color: #fff;
  word-break: keep-all;
}

.cta-text {
  margin: 0 0 28px;
  color: rgba(234,242,255,.82);
  font-size: 1.08rem;
  line-height: 1.9;
  max-width: 780px;
  word-break: keep-all;
}

/* =========================
   Footer Sitemap Style
   ========================= */
.site-footer {
  background: #f3f5f8;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  margin-top: 0;
}

.site-footer-top {
  width: min(1280px, calc(100% - 48px));
  margin: 0 auto;
  padding: 52px 0 38px;
}

.site-footer-brand {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 34px;
}

.site-footer-logo {
  display: inline-flex;
  align-items: center;
}

.site-footer-logo img {
  height: 68px; /* 기존 34px -> 2배 */
  width: auto;
  display: block;
  object-fit: contain;
}

.site-footer-company {
  font-size: 1.5rem;
  font-weight: 800;
  color: #1f3768;
  letter-spacing: -0.02em;
}

.site-footer-sitemap {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.footer-sitemap-row {
  display: grid;
  grid-template-columns: 170px 1fr; /* 왼쪽 타이틀 폭 고정 */
  align-items: start;
  column-gap: 34px; /* | 이후 링크 시작점 통일 */
}

.footer-main-link {
  position: relative;
  display: block;
  color: #1f3768;
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
  padding-right: 18px;
  min-height: 1.6em;
}

.footer-main-link::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  width: 1px;
  height: 20px;
  background: rgba(31, 55, 104, 0.28);
  transform: translateY(-50%);
}

.footer-sub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  padding-top: 1px;
  margin-left: -8px; /* 전체 링크를 조금 더 왼쪽으로 */
}

.footer-sub-links a {
  color: #566174;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.25s ease, opacity 0.25s ease;
}

.footer-sub-links a:hover {
  color: #1f3768;
}

.site-footer-info {
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.site-footer-info p {
  margin: 0 0 8px;
  color: #6f7b8c;
  font-size: 0.96rem;
  line-height: 1.7;
  letter-spacing: -0.01em;
}

.site-footer-info p:last-child {
  margin-bottom: 0;
}

.site-footer-info span {
  display: inline-block;
  margin: 0 10px;
  color: #a0a9b5;
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-sitemap-row {
    grid-template-columns: 150px 1fr;
    column-gap: 24px;
  }

  .footer-sub-links {
    gap: 12px 22px;
    margin-left: 0;
  }

  .site-footer-logo img {
    height: 56px;
  }

  .site-footer-company {
    font-size: 1.3rem;
  }
}

@media (max-width: 768px) {
  .site-footer-top {
    padding: 42px 0 30px;
  }

  .site-footer-brand {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 28px;
  }

  .site-footer-logo img {
    height: 52px;
  }

  .site-footer-company {
    font-size: 1.2rem;
  }

  .footer-sitemap-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .footer-main-link {
    padding-right: 0;
  }

  .footer-main-link::after {
    display: none;
  }

  .footer-sub-links {
    gap: 10px 18px;
    margin-left: 0;
  }

  .site-footer-info {
    margin-top: 30px;
    padding-top: 22px;
  }

  .site-footer-info p {
    font-size: 0.92rem;
    line-height: 1.75;
  }

  .site-footer-info span {
    margin: 0 6px;
  }
}
/* =========================
   Motion Utilities
   ========================= */

.fade-up {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.show {
  opacity: 1;
  transform: translateY(0);
}

/* =========================
   Motion
   ========================= */

@keyframes scrollLine {
  0% {
    top: -20px;
    opacity: 0;
  }
  25% {
    opacity: 1;
  }
  100% {
    top: 48px;
    opacity: 0;
  }
}

/* =========================
   Responsive
   ========================= */

@media (max-width: 1200px) {
  .hero-photo .hero-inner {
    padding: 0 48px;
  }

  .hero-photo .hero-text {
    max-width: 700px;
  }

  .hero-photo .hero-text h1 {
    max-width: 700px;
    font-size: clamp(44px, 5vw, 68px);
  }

  .intro-service-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3,
  .stats-wrap,
  .esg-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .flow-line {
    display: none;
  }

  .contact-estimate-wrap {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 991px) {
  .hero-photo {
    min-height: auto;
    padding: 80px 0 64px;
  }

  .hero-photo .hero-inner {
    padding: 0 24px;
  }

  .hero-photo .hero-text {
    max-width: 100%;
    padding: 40px 0 80px;
  }

  .hero-photo .hero-text h1,
  .hero-photo .hero-text p {
    max-width: 100%;
  }

  .hero-photo .hero-line-fixed {
    white-space: normal;
  }

  .grid-2,
  .case-grid,
  .network-row,
  .esg-grid,
  .stats-wrap,
  .grid-3,
  .flow-grid,
  .estimate-grid.two-col {
    grid-template-columns: 1fr;
  }

  .network-row::before,
  .network-item::before,
  .network-plus,
  .network-core::before,
  .scroll-indicator {
    display: none;
  }

  .section {
    padding: 84px 0;
  }

  .header-inner,
  .container-wide,
  .footer-inner {
    width: min(1280px, calc(100% - 28px));
  }

  .nav-desktop {
    display: none;
  }

  .contact-estimate-form-card,
  .contact-estimate-left {
    padding-left: 0;
    padding-right: 0;
  }

  .contact-estimate-form-card {
    padding: 28px 22px;
  }

  .intro-service-cards {
    grid-template-columns: 1fr;
  }

  .intro-service-card {
    min-height: 320px;
  }

  .intro-service-overlay {
    top: 164px;
  }
}

@media (max-width: 640px) {
  .hero-photo {
    padding: 56px 0 42px;
  }

  .hero-photo .hero-inner {
    padding: 0 18px;
  }

  .hero-photo .hero-eyebrow {
    font-size: 12px;
    padding: 8px 12px;
  }

  .hero-photo .hero-text h1 {
    font-size: clamp(34px, 9vw, 46px);
    line-height: 1.08;
  }

  .hero-photo .hero-text p {
    margin-top: 22px;
    font-size: 15px;
    line-height: 1.7;
  }

  .hero-photo .hero-buttons {
    gap: 12px;
    margin-top: 28px;
    width: 100%;
  }

  .hero-photo .btn-primary,
  .hero-photo .btn-outline {
    width: 100%;
    min-height: 48px;
    padding: 0 18px;
    font-size: 14px;
  }

  .section-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

  .card-title,
  .dark-title,
  .case-title {
    font-size: 1.25rem;
  }

  .network-core h3 {
    font-size: 1.45rem;
  }

  .cta-title {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }

  .info-card,
  .dark-card,
  .case-card,
  .cta-panel,
  .network-shell,
  .esg-card,
  .network-item,
  .network-core,
  .contact-estimate-form-card,
  .contact-info-card {
    padding: 24px 20px;
  }

  .contact-estimate-title {
    font-size: clamp(1.9rem, 8vw, 2.6rem);
  }

  .contact-estimate-desc,
  .cta-text,
  .section-desc {
    font-size: 0.98rem;
  }

  .intro-service-card {
    min-height: 300px;
    padding: 20px 18px 22px;
    border-radius: 24px;
  }

  .intro-service-badge {
    min-width: 50px;
    height: 42px;
    padding: 0 14px;
    border-radius: 12px;
    font-size: 1rem;
  }

  .intro-service-card-title {
    font-size: 2rem;
  }

  .intro-service-more {
    min-width: 84px;
    height: 36px;
    font-size: 0.82rem;
    letter-spacing: 0.10em;
  }

  .intro-service-overlay {
    left: 18px;
    right: 18px;
    top: 146px;
  }

  .intro-service-card-panel {
    min-height: 116px;
    padding: 22px 18px;
    border-radius: 18px;
  }

  .intro-service-card-text {
    font-size: 0.95rem;
    line-height: 1.65;
  }
}

/* =========================
   Differentiation Page Only
   ========================= */

body.diff-page {
  background:
    linear-gradient(180deg, #071634 0%, #081b44 18%, #f5f9ff 18%, #eef4ff 100%);
}

.diff-page-main {
  position: relative;
  z-index: 1;
  background: transparent;
}

.diff-overview-section {
  position: relative;
  padding: 56px 0 34px;
  background: linear-gradient(180deg, #f7faff 0%, #eef4ff 100%);
}

.fade-up {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.show {
  opacity: 1;
  transform: translateY(0);
}

.diff-section-heading {
  text-align: center;
  margin-bottom: 18px;
}

.diff-section-title {
  margin: 0 0 14px;
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #102a5c;
  word-break: keep-all;
}

.diff-section-desc {
  margin: 0 auto;
  max-width: 920px;
  color: #5d749d;
  font-size: 1.04rem;
  line-height: 1.9;
  word-break: keep-all;
}

.target-grid,
.diff-card-grid {
  display: grid;
  gap: 24px;
}

.target-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 34px;
}

.diff-card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 34px;
}

.diff-card-btn {
  position: relative;
  overflow: hidden;
  width: 100%;
  min-height: 220px;
  padding: 34px 28px 30px;
  border-radius: 30px;
  border: 1px solid rgba(148, 173, 220, 0.22);
  background: rgba(255, 255, 255, 0.97);
  box-shadow:
    0 18px 40px rgba(8, 27, 68, 0.08),
    0 6px 14px rgba(8, 27, 68, 0.04);
  text-align: center;
  cursor: pointer;
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease,
    border-color 0.28s ease;
}

.diff-card-btn:hover {
  transform: translateY(-8px);
  border-color: rgba(96, 165, 250, 0.3);
  box-shadow:
    0 24px 50px rgba(8, 27, 68, 0.12),
    0 10px 18px rgba(37, 99, 235, 0.06);
}

.diff-card-btn::before {
  content: "";
  position: absolute;
  width: 170px;
  height: 170px;
  right: -28px;
  top: -30px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(96, 165, 250, 0.1), transparent 68%);
  pointer-events: none;
}

.diff-card-btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: 28px;
  right: 28px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, #2563eb, #93c5fd);
  pointer-events: none;
}

.diff-card-btn h3 {
  margin: 0 0 12px;
  color: #102a5c;
  font-size: 1.35rem;
  line-height: 1.35;
  font-weight: 800;
  letter-spacing: -0.03em;
  word-break: keep-all;
}

.diff-card-btn p {
  margin: 0;
  color: #62779f;
  font-size: 0.97rem;
  line-height: 1.8;
  word-break: keep-all;
}

.diff-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: none;
  align-items: flex-end;
  justify-content: center;
  z-index: 100;
  padding: 0 16px 24px;
}

.diff-modal.show {
  display: flex;
}

.modal-box {
  width: 100%;
  max-width: 820px;
  border-radius: 28px;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
  animation: sheetUp 0.45s ease forwards;
  position: relative;
}

@keyframes sheetUp {
  from {
    transform: translateY(70px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-top {
  position: relative;
  padding: 28px 30px 22px;
  background:
    radial-gradient(circle at 84% 18%, rgba(147, 197, 253, 0.14), transparent 20%),
    linear-gradient(135deg, #071634 0%, #0d275d 45%, #1c4fb7 100%);
  color: #fff;
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 1.15rem;
  cursor: pointer;
}

.modal-kicker {
  margin: 0 0 8px;
  color: rgba(219, 234, 254, 0.88);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.modal-title {
  margin: 0;
  font-size: 2rem;
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.04em;
  word-break: keep-all;
}

.modal-handle-wrap {
  display: flex;
  justify-content: center;
  padding-top: 10px;
  background: #fff;
}

.modal-handle {
  width: 46px;
  height: 5px;
  border-radius: 999px;
  background: #d1d5db;
}

.modal-body {
  padding: 28px 30px 32px;
  max-height: 72vh;
  overflow-y: auto;
  color: #475569;
  font-size: 1rem;
  line-height: 1.9;
  white-space: pre-line;
  word-break: keep-all;
}

.modal-image {
  margin-bottom: 18px;
  display: none;
}

.modal-image.show {
  display: block;
}

.modal-image img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid #e5e7eb;
}

@media (max-width: 991px) {
  .diff-overview-section {
    padding: 56px 0 24px;
  }

  .target-grid,
  .diff-card-grid {
    grid-template-columns: 1fr;
  }

  .diff-card-btn {
    min-height: 190px;
    padding: 28px 24px 24px;
    border-radius: 24px;
  }

  .diff-card-btn::after {
    left: 24px;
    right: 24px;
  }

  .modal-box {
    border-radius: 24px;
  }

  .modal-top {
    padding: 24px 24px 20px;
  }

  .modal-body {
    padding: 24px 24px 28px;
  }
}

@media (max-width: 640px) {
  .diff-section-title {
    font-size: 1.8rem;
  }

  .diff-section-desc,
  .diff-card-btn p {
    font-size: 0.96rem;
    line-height: 1.8;
  }

  .diff-card-btn h3 {
    font-size: 1.2rem;
  }

  .modal-title {
    font-size: 1.5rem;
  }

  .diff-modal {
    padding: 0 10px 14px;
  }
}

/* =========================
   Service Summary FINAL
   A + C Combination
   ========================= */

#service.section-light {
  background:
    radial-gradient(circle at 12% 18%, rgba(96,165,250,0.10), transparent 18%),
    radial-gradient(circle at 88% 82%, rgba(147,197,253,0.14), transparent 20%),
    linear-gradient(180deg, #eef4fb 0%, #e8f0fb 100%);
}

#service .section-heading {
  margin-bottom: 72px;
}

#service .section-kicker {
  background: rgba(255,255,255,0.76);
  border: 1px solid rgba(37,99,235,0.12);
  color: #2563eb;
  box-shadow: 0 10px 24px rgba(37,99,235,0.06);
}

#service .section-title {
  color: #102a5c;
}

#service .section-desc {
  color: #4f6694;
}

#service .grid-3 {
  gap: 26px;
}

#service .info-card {
  position: relative;
  overflow: hidden;
  background: rgba(255,255,255,0.97);
  border: 1px solid rgba(148,173,220,0.24);
  border-radius: 30px;
  box-shadow:
    0 18px 40px rgba(8,27,68,0.08),
    0 4px 14px rgba(8,27,68,0.04);
  padding: 36px 34px;
  transition:
    transform 0.28s ease,
    border-color 0.28s ease,
    box-shadow 0.28s ease;
}

#service .info-card:hover {
  transform: translateY(-8px);
  border-color: rgba(96,165,250,0.34);
  box-shadow:
    0 24px 54px rgba(8,27,68,0.12),
    0 8px 18px rgba(37,99,235,0.08);
}

#service .info-card::before {
  content: "";
  position: absolute;
  width: 160px;
  height: 160px;
  right: -26px;
  top: -26px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(96,165,250,0.12), transparent 68%);
  pointer-events: none;
}

/* 옵션 C: 카드 상단 포인트 바 */
#service .info-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 34px;
  right: 34px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, #2563eb, #93c5fd);
  pointer-events: none;
}

#service .card-badge {
  width: 48px;
  min-width: 48px;
  height: 48px;
  margin-bottom: 22px;
  border-radius: 16px;
  background: linear-gradient(180deg, #eaf2ff 0%, #dbeafe 100%);
  color: #1d4ed8;
  box-shadow:
    inset 0 0 0 1px rgba(96,165,250,0.20),
    0 8px 18px rgba(37,99,235,0.10);
}

#service .card-title {
  color: #0f2858;
  font-size: 1.55rem;
  margin-bottom: 16px;
}

#service .card-text {
  color: #58709b;
  font-size: 1.02rem;
  line-height: 1.9;
}

@media (max-width: 991px) {
  #service .grid-3 {
    gap: 18px;
  }

  #service .info-card {
    padding: 28px 24px;
    border-radius: 24px;
  }

  #service .info-card::after {
    left: 24px;
    right: 24px;
  }
}

@media (max-width: 640px) {
  #service.section-light {
    background:
      radial-gradient(circle at 18% 12%, rgba(96,165,250,0.10), transparent 22%),
      linear-gradient(180deg, #eef4fb 0%, #e7eef9 100%);
  }

  #service .section-heading {
    margin-bottom: 48px;
  }

  #service .card-title {
    font-size: 1.32rem;
  }

  #service .card-text {
    font-size: 0.96rem;
    line-height: 1.8;
  }
}

/* =========================
   Process Section FINAL
   ========================= */

#process.section-light {
  background:
    radial-gradient(circle at 84% 16%, rgba(147,197,253,0.10), transparent 18%),
    radial-gradient(circle at 14% 82%, rgba(96,165,250,0.08), transparent 16%),
    linear-gradient(180deg, #f7faff 0%, #f1f6fd 100%);
}

#process .section-heading {
  margin-bottom: 68px;
}

#process .section-kicker {
  background: rgba(255,255,255,0.82);
  border: 1px solid rgba(37,99,235,0.10);
  color: #2563eb;
  box-shadow: 0 10px 24px rgba(37,99,235,0.05);
}

#process .section-title {
  color: #102a5c;
}

#process .section-desc {
  color: #59719c;
}

#process .flow-wrap {
  position: relative;
  margin-top: 8px;
}

#process .flow-line {
  left: 7%;
  right: 7%;
  top: 94px;
  height: 2px;
  background: linear-gradient(
    90deg,
    rgba(37,99,235,0.08),
    rgba(37,99,235,0.45),
    rgba(37,99,235,0.08)
  );
  box-shadow: 0 0 18px rgba(96,165,250,0.14);
}

#process .flow-grid {
  gap: 22px;
}

#process .flow-card {
  position: relative;
  text-align: center;
  border-radius: 28px;
  padding: 30px 20px 26px;
  background: rgba(255,255,255,0.98);
  border: 1px solid rgba(148,173,220,0.20);
  box-shadow:
    0 16px 36px rgba(8,27,68,0.07),
    0 4px 12px rgba(8,27,68,0.04);
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease,
    border-color 0.28s ease;
}

#process .flow-card:hover {
  transform: translateY(-6px);
  border-color: rgba(96,165,250,0.30);
  box-shadow:
    0 22px 48px rgba(8,27,68,0.10),
    0 8px 18px rgba(37,99,235,0.06);
}

#process .flow-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 28px;
  pointer-events: none;
  background:
    radial-gradient(circle at top right, rgba(96,165,250,0.08), transparent 28%);
}

#process .flow-icon {
  width: 68px;
  height: 68px;
  border-radius: 22px;
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  color: #1d4ed8;
  background: linear-gradient(180deg, #eaf2ff 0%, #dbeafe 100%);
  font-weight: 800;
  font-size: 1.08rem;
  box-shadow:
    inset 0 0 0 1px rgba(96,165,250,0.22),
    0 10px 20px rgba(37,99,235,0.08);
}

#process .flow-title {
  color: #0f2858;
  font-size: 1.12rem;
  font-weight: 800;
  margin: 0 0 10px;
  word-break: keep-all;
}

#process .flow-text {
  color: #5e769f;
  font-size: 0.97rem;
  line-height: 1.75;
  margin: 0;
  word-break: keep-all;
}

@media (max-width: 1200px) {
  #process .flow-grid {
    gap: 18px;
  }

  #process .flow-line {
    display: none;
  }
}

@media (max-width: 991px) {
  #process .section-heading {
    margin-bottom: 52px;
  }

  #process .flow-grid {
    grid-template-columns: 1fr;
  }

  #process .flow-card {
    padding: 26px 20px 24px;
    border-radius: 24px;
  }

  #process .flow-card::before {
    border-radius: 24px;
  }
}

@media (max-width: 640px) {
  #process.section-light {
    background:
      radial-gradient(circle at 84% 12%, rgba(147,197,253,0.10), transparent 20%),
      linear-gradient(180deg, #f7faff 0%, #eef4fb 100%);
  }

  #process .section-heading {
    margin-bottom: 42px;
  }

  #process .flow-card {
    padding: 24px 18px 22px;
  }

  #process .flow-icon {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    margin-bottom: 16px;
    font-size: 1rem;
  }

  #process .flow-title {
    font-size: 1.02rem;
  }

  #process .flow-text {
    font-size: 0.92rem;
    line-height: 1.7;
  }
}

/* =========================
   Why D&I WISE Slider
   ========================= */

.why-section {
  overflow: hidden;
}

.why-slider {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
}

.why-slider-track {
  position: relative;
  min-height: 460px;
}

.why-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.985);
  transition:
    opacity 0.9s ease,
    transform 0.9s ease,
    visibility 0.9s ease;
  will-change: opacity, transform;
}

.why-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  z-index: 2;
}

.why-card {
  position: relative;
  min-height: 460px;
  padding: 46px 42px;
  border-radius: 34px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.06));
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow:
    0 28px 70px rgba(0,0,0,0.20),
    inset 0 1px 0 rgba(255,255,255,0.05);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: left;
}

.why-card::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  top: -90px;
  right: -70px;
  background: radial-gradient(circle, rgba(96,165,250,0.18), transparent 70%);
  pointer-events: none;
}

.why-card::after {
  content: "";
  position: absolute;
  left: 42px;
  right: 42px;
  top: 0;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, #60a5fa, #93c5fd);
  pointer-events: none;
}

.why-card .card-badge {
  margin-bottom: 24px;
}

.why-card .dark-title {
  font-size: clamp(2rem, 2.6vw, 2.8rem);
  line-height: 1.2;
  margin-bottom: 20px;
}

.why-card .dark-text {
  font-size: 1.08rem;
  line-height: 1.95;
  color: rgba(234,242,255,0.84);
  max-width: 560px;
}

.why-slider-controls {
  margin-top: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

.why-nav {
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  color: #ffffff;
  font-size: 1.2rem;
  cursor: pointer;
  transition:
    transform 0.25s ease,
    background 0.25s ease,
    border-color 0.25s ease;
}

.why-nav:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,0.14);
  border-color: rgba(147,197,253,0.32);
}

.why-dots {
  display: flex;
  align-items: center;
  gap: 10px;
}

.why-dot {
  width: 11px;
  height: 11px;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.24);
  cursor: pointer;
  transition:
    transform 0.25s ease,
    background 0.25s ease,
    width 0.25s ease,
    border-radius 0.25s ease;
}

.why-dot.is-active {
  width: 32px;
  border-radius: 999px;
  background: linear-gradient(90deg, #60a5fa, #93c5fd);
}

@media (max-width: 991px) {
  .why-slider {
    max-width: 100%;
  }

  .why-slider-track {
    min-height: 400px;
  }

  .why-card {
    min-height: 400px;
    padding: 38px 28px;
    border-radius: 28px;
  }

  .why-card::after {
    left: 28px;
    right: 28px;
  }

  .why-card .dark-title {
    font-size: 1.8rem;
  }

  .why-card .dark-text {
    font-size: 1rem;
    line-height: 1.85;
  }
}

@media (max-width: 640px) {
  .why-slider-track {
    min-height: 360px;
  }

  .why-card {
    min-height: 360px;
    padding: 30px 22px;
    border-radius: 24px;
  }

  .why-card::after {
    left: 22px;
    right: 22px;
  }

  .why-card .dark-title {
    font-size: 1.5rem;
    margin-bottom: 16px;
  }

  .why-card .dark-text {
    font-size: 0.95rem;
    line-height: 1.78;
  }

  .why-slider-controls {
    gap: 12px;
    margin-top: 22px;
  }

  .why-nav {
    width: 44px;
    height: 44px;
    font-size: 1rem;
  }
}

/* =========================
   Sub Hero Common
   ========================= */

.sub-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(135deg, #071634 0%, #0d275d 45%, #1c4fb7 100%);
}

.sub-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  transform: scale(1.04);
  filter: brightness(0.54) saturate(1.05) contrast(1.04);
}

.sub-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(4, 14, 36, 0.82) 0%,
      rgba(5, 18, 46, 0.70) 28%,
      rgba(8, 27, 68, 0.54) 56%,
      rgba(20, 71, 170, 0.20) 100%
    ),
    linear-gradient(
      180deg,
      rgba(7,22,52,0.20) 0%,
      rgba(7,22,52,0.06) 30%,
      rgba(7,22,52,0.24) 68%,
      rgba(7,22,52,0.44) 100%
    );
}

.sub-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255,255,255,0.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.016) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: 0.10;
  pointer-events: none;
}

.sub-hero-inner {
  position: relative;
  z-index: 2;
}

.sub-hero-text {
  max-width: 780px;
  padding: 110px 0 92px;
}

.sub-hero-kicker {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  margin-bottom: 22px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.92);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.sub-hero-text h1 {
  margin: 0 0 18px;
  font-size: clamp(3rem, 5vw, 4.8rem);
  line-height: 1.08;
  letter-spacing: -0.05em;
  font-weight: 800;
  word-break: keep-all;
  text-shadow: 0 8px 28px rgba(0,0,0,0.24);
}

.sub-hero-text p {
  margin: 0;
  max-width: 760px;
  font-size: clamp(1.08rem, 1.4vw, 1.4rem);
  line-height: 1.8;
  color: rgba(235,243,255,0.90);
  word-break: keep-all;
  text-shadow: 0 4px 18px rgba(0,0,0,0.18);
}

.sub-hero-company .sub-hero-bg {
  background-image: url("../company-hero.webp");
}

.sub-hero-services .sub-hero-bg {
  background-image: url("../services-hero.webp");
}

.sub-hero-differentiation .sub-hero-bg {
  background-image: url("../differentiation-hero.webp");
}

.sub-hero-esg .sub-hero-bg {
  background-image: url("../esg-hero.webp");
}

.sub-hero-capability .sub-hero-bg {
  background-image: url("../OC-hero.webp");
}

.core-ring-stage {
  margin-top: 44px;
  display: flex;
  justify-content: center;
}

.core-ring-system {
  position: relative;
  width: 1100px;
  height: 980px;
}

/* 중앙 코어 */
.core-ring-center {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 620px;
  height: 620px;
  transform: translate(-50%, -50%);
  z-index: 2;
}

.core-ring-glow {
  position: absolute;
  inset: -18px;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(30,58,138,0.24) 0%, rgba(30,58,138,0.14) 38%, rgba(30,58,138,0.04) 62%, transparent 78%);
  filter: blur(28px);
  opacity: 0.95;
}

.core-ring-image-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  box-shadow:
    0 30px 60px rgba(8,27,68,0.16),
    0 10px 24px rgba(8,27,68,0.08);
}

.core-ring-image-wrap::before {
  content: "";
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 10px solid rgba(20, 52, 130, 0.92);
  filter: blur(16px);
  opacity: 0.9;
  z-index: 2;
  pointer-events: none;
}

.core-ring-image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.08),
    inset 0 -18px 40px rgba(0,0,0,0.10);
  z-index: 2;
  pointer-events: none;
}

.core-ring-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  filter: none; /* 원본 그대로 */
}

.core-ring-center-text {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  color: #ffffff;
  font-size: 2.9rem;
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.05em;
  text-align: center;
  text-shadow: 0 10px 24px rgba(0,0,0,0.24);
}

/* 5개 노드 */
.core-ring-node {
  position: absolute;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  color: #17336d;
  transition: transform 0.28s ease, opacity 0.28s ease, filter 0.28s ease;
}

.core-ring-node:hover,
.core-ring-node.is-active {
  transform: translate(-50%, -50%) scale(1.06);
  filter: drop-shadow(0 8px 16px rgba(37,99,235,0.12));
}

.core-ring-node .node-dot {
  width: 12px;
  height: 12px;
  margin-bottom: 10px;
  border-radius: 50%;
}

.node-dot.gold   { background: #f59e0b; }
.node-dot.blue   { background: #3b82f6; }
.node-dot.green  { background: #22c55e; }
.node-dot.indigo { background: #6366f1; }
.node-dot.rose   { background: #f43f5e; }

.core-ring-node .node-ko {
  font-size: 1.36rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.core-ring-node .node-en {
  margin-top: 6px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #6b86b3;
}

/* 중심 기준 동일 반경 배치 */
.node-1 {
  left: 50%;
  top: 90px;
  transform: translate(-50%, -50%);
}

.node-2 {
  left: 82.34%;
  top: 323.26px;
  transform: translate(-50%, -50%);
}

.node-3 {
  left: 69.98%;
  top: 805px;
  transform: translate(-50%, -50%);
}

.node-4 {
  left: 30.02%;
  top: 805px;
  transform: translate(-50%, -50%);
}

.node-5 {
  left: 17.66%;
  top: 323.26px;
  transform: translate(-50%, -50%);
}

/* 설명 카드: 가장 외부 위치 */
.core-ring-card {
  position: absolute;
  width: 280px;
  padding: 22px 22px 20px;
  border-radius: 24px;
  background: rgba(255,255,255,0.98);
  border: 1px solid rgba(148,173,220,0.18);
  box-shadow:
    0 22px 40px rgba(8,27,68,0.12),
    0 8px 18px rgba(8,27,68,0.05);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px) scale(0.96);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease,
    visibility 0.55s ease;
  z-index: 5;
  pointer-events: none;
}

.core-ring-card.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.core-ring-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  border-radius: 13px;
  color: #fff;
  font-size: 0.92rem;
  font-weight: 800;
  box-shadow: 0 10px 20px rgba(15,23,42,0.10);
}

.core-ring-card h3 {
  margin: 0 0 4px;
  color: #102a5c;
  font-size: 1.2rem;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.core-ring-card h4 {
  margin: 0 0 12px;
  color: #6b86b3;
  font-size: 0.9rem;
  font-weight: 700;
}

.core-ring-card p {
  margin: 0;
  color: #62779f;
  font-size: 0.92rem;
  line-height: 1.75;
  word-break: keep-all;
}

/* 카드도 중심에서 더 바깥 동일한 방향에 배치 */
.card-1 {
  left: 50%;
  top: -10px;
  transform: translate(-50%, 8px) scale(0.96);
}
.card-1.is-active {
  transform: translate(-50%, 0) scale(1);
}

.card-2 {
  left: 78.5%;
  top: 190px;
  transform: translate(-50%, 8px) scale(0.96);
}
.card-2.is-active {
  transform: translate(-50%, 0) scale(1);
}

.card-3 {
  left: 69.98%;
  top: 625px;
  transform: translate(-50%, 8px) scale(0.96);
}
.card-3.is-active {
  transform: translate(-50%, 0) scale(1);
}

.card-4 {
  left: 30.02%;
  top: 625px;
  transform: translate(-50%, 8px) scale(0.96);
}
.card-4.is-active {
  transform: translate(-50%, 0) scale(1);
}

.card-5 {
  left: 21.5%;
  top: 190px;
  transform: translate(-50%, 8px) scale(0.96);
}
.card-5.is-active {
  transform: translate(-50%, 0) scale(1);
}

.tag-gold   { background: linear-gradient(180deg, #f59e0b 0%, #d97706 100%); }
.tag-blue   { background: linear-gradient(180deg, #3b82f6 0%, #2563eb 100%); }
.tag-green  { background: linear-gradient(180deg, #22c55e 0%, #16a34a 100%); }
.tag-indigo { background: linear-gradient(180deg, #6366f1 0%, #4f46e5 100%); }
.tag-rose   { background: linear-gradient(180deg, #f43f5e 0%, #e11d48 100%); }

@media (max-width: 1200px) {
  .core-ring-system {
    width: 920px;
    height: 900px;
  }

  .core-ring-center {
    width: 540px;
    height: 540px;
  }

  .core-ring-center-text {
    font-size: 2.3rem;
  }

  .core-ring-card {
    width: 240px;
  }
}

@media (max-width: 991px) {
  .core-ring-system {
    width: 100%;
    height: 780px;
  }

  .core-ring-center {
    width: 420px;
    height: 420px;
  }

  .core-ring-center-text {
    font-size: 2rem;
  }

  .core-ring-node .node-ko {
    font-size: 1rem;
  }

  .core-ring-node .node-en {
    font-size: 0.74rem;
  }

  .node-1 { top: 80px; }
  .node-2 { left: 82%; top: 265px; }
  .node-3 { left: 69%; top: 562px; }
  .node-4 { left: 31%; top: 562px; }
  .node-5 { left: 18%; top: 265px; }

  .core-ring-card {
    display: none;
  }
}

@media (max-width: 640px) {
  .core-ring-system {
    height: 600px;
  }

  .core-ring-center {
    width: 300px;
    height: 300px;
  }

  .core-ring-center-text {
    font-size: 1.5rem;
  }

  .core-ring-node .node-ko {
    font-size: 0.78rem;
  }

  .core-ring-node .node-en {
    display: none;
  }

  .node-1 { top: 64px; }
  .node-2 { left: 84%; top: 214px; }
  .node-3 { left: 70%; top: 438px; }
  .node-4 { left: 30%; top: 438px; }
  .node-5 { left: 16%; top: 214px; }
}

/* =========================
   Header
   ========================= */

.header-shell {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.header-inner {
  width: calc(100% - 40px);
  min-height: 96px;
  height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.header-logo img {
  height: 44px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 46px;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 78px;
  font-size: 1rem;
  font-weight: 800;
  color: #1e293b;
  text-decoration: none;
  transition: color 0.25s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 20px;
  width: 100%;
  height: 2px;
  background: #1d4ed8;
  transform: scaleX(1);
  transform-origin: center;
  opacity: 0.95;
}

.nav-link:hover {
  color: #1d4ed8;
}

/* Mega Menu */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: #f8fafc;
  border-top: 1px solid rgba(15, 23, 42, 0.04);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 22px 40px rgba(15, 23, 42, 0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition:
    opacity 0.28s ease,
    transform 0.28s ease,
    visibility 0.28s ease;
  pointer-events: none;
}

.header-shell:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.mega-menu-inner {
  width: min(1280px, calc(100% - 48px));
  margin: 0 auto;
  padding: 26px 0 30px;
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 40px;
}

.mega-menu-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.mega-menu-title {
  display: inline-block;
  font-size: 1.05rem;
  font-weight: 800;
  color: #123a7d;
  line-height: 1.35;
  text-decoration: none;
  padding-bottom: 6px;
  border-bottom: 2px solid #123a7d;
  margin-bottom: 18px;
  transition:
    color 0.25s ease,
    border-color 0.25s ease;
}

.mega-menu-title:hover {
  color: #0f2f63;
  border-bottom-color: #0f2f63;
}

.mega-sub-link {
  display: block;
  margin: 9px 0;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.5;
  color: #233a66;
  text-decoration: none;
  transition: color 0.22s ease, transform 0.22s ease;
}

.mega-sub-link:hover {
  color: #1d4ed8;
  transform: translateX(2px);
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #0f172a;
  margin: 0 auto;
  border-radius: 999px;
  transition: all 0.3s ease;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  background: #ffffff;
}

.mobile-menu-inner {
  width: min(100%, calc(100% - 32px));
  margin: 0 auto;
  padding: 14px 0 24px;
}

.mobile-menu-group + .mobile-menu-group {
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  margin-top: 16px;
  padding-top: 16px;
}

.mobile-main-link {
  display: inline-block;
  font-size: 1rem;
  font-weight: 800;
  color: #123a7d;
  text-decoration: none;
  padding-bottom: 6px;
  border-bottom: 2px solid #123a7d;
  margin-bottom: 12px;
}

.mobile-sub-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

.mobile-sub-links a {
  font-size: 0.96rem;
  font-weight: 600;
  color: #334155;
  text-decoration: none;
}

.mobile-sub-links a:hover {
  color: #1d4ed8;
}

/* Scroll offset for anchor navigation */
html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 120px;
}

/* Responsive */
@media (max-width: 1024px) {
  .nav-desktop {
    gap: 28px;
  }

  .mega-menu-grid {
    gap: 28px;
  }
}

@media (max-width: 920px) {
  .nav-desktop,
  .mega-menu {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .header-shell.mobile-open .mobile-menu {
    display: block;
  }

  .header-inner {
    height: 74px;
  }

  .header-logo img {
    height: 40px;
  }
}

/* =========================
   Process Section
   ========================= */
.process-section {
  padding-top: 80px;
}

.flow-wrap.flow-animated {
  position: relative;
  margin-top: 36px;
  padding: 56px 42px 130px;
  border-radius: 36px;
  background:
    radial-gradient(circle at 18% 18%, rgba(96,165,250,0.08), transparent 18%),
    radial-gradient(circle at 84% 20%, rgba(147,197,253,0.08), transparent 18%),
    linear-gradient(180deg, rgba(255,255,255,0.78) 0%, rgba(245,249,255,0.96) 100%);
  border: 1px solid rgba(132,158,214,0.16);
  box-shadow:
    0 22px 52px rgba(7, 22, 52, 0.08),
    inset 0 1px 0 rgba(255,255,255,0.45);
  overflow: visible;
}

.flow-track-glow {
  position: absolute;
  left: 6%;
  right: 6%;
  top: 118px;
  height: 40px;
  background: radial-gradient(circle at center, rgba(76,127,235,0.10), rgba(76,127,235,0) 72%);
  filter: blur(12px);
  pointer-events: none;
}

.flow-track-line {
  position: absolute;
  left: 42px;
  right: 42px;
  top: 126px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    rgba(48,111,221,0.12),
    rgba(48,111,221,0.82),
    rgba(48,111,221,0.12)
  );
  box-shadow:
    0 0 12px rgba(92,141,255,0.10),
    inset 0 1px 0 rgba(255,255,255,0.25);
}

.flow-progress {
  position: absolute;
  left: 42px;
  top: 126px;
  width: 0;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(74,120,220,0.95), rgba(139,179,255,0.95));
  box-shadow: 0 0 14px rgba(74,120,220,0.18);
  transition: width 0.9s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 2;
}

.flow-status-row {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
  align-items: center;
}

.flow-status-item {
  position: relative;
  text-align: center;
  color: #8194b8;
  font-size: 1.52rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  transition:
    color 0.35s ease,
    transform 0.35s ease,
    text-shadow 0.35s ease,
    opacity 0.35s ease;
}

.flow-status-item.active {
  color: #123a84;
  transform: translateY(-2px);
  text-shadow: 0 8px 18px rgba(40,94,210,0.10);
}

.flow-truck {
  position: absolute;
  left: 42px;
  top: 150px;
  z-index: 4;
  transform: translateX(0);
  opacity: 1;
  transition:
    transform 0.9s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.28s ease;
  will-change: transform, opacity;
}

.flow-truck.is-hidden {
  opacity: 0;
}

.flow-truck img {
  display: block;
  width: 68px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 14px 18px rgba(46, 86, 160, 0.20));
  border-radius: 8px;
}

/* 반응형 */
@media (max-width: 991px) {
  .flow-wrap.flow-animated {
    padding: 34px 20px 34px;
    border-radius: 28px;
  }

  .flow-track-glow,
  .flow-track-line,
  .flow-progress,
  .flow-truck {
      transition:
        transform 0.9s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.28s ease;
  }

  .flow-status-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    row-gap: 16px;
    column-gap: 12px;
  }

  .flow-status-item {
    padding: 14px 10px;
    border-radius: 16px;
    background: rgba(255,255,255,0.76);
    border: 1px solid rgba(173,194,238,0.35);
    color: #6f84aa;
    font-size: 1.02rem;
  }

  .flow-status-item.active {
    color: #123a84;
    background: linear-gradient(180deg, #eef4ff 0%, #dfeaff 100%);
    border-color: rgba(76,127,235,0.42);
    transform: none;
    text-shadow: none;
  }
}

@media (max-width: 640px) {
  .flow-status-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-status-item {
    font-size: 0.98rem;
  }
}

/* =========================
   Network Structure Diagram (안정감 + 인터랙션)
   ========================= */

.network-structure-section {
  position: relative;
  overflow: hidden;
}

.network-diagram-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 40px;
  padding: 20px 0;
}

.network-ring-svg {
  width: min(90vw, 720px); 
  height: auto;
  display: block;
  /* 기본 그림자 */
  filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.4));
}

/* 링 그룹 회전(어지러운 부분) 제거, 기본 상태 유지 */
.ring-container {
  transform-origin: 300px 300px;
}

/* 🌟 마우스 오버 효과 추가 */
.ring-segment {
  cursor: pointer;
  transition: opacity 0.4s ease;
}

/* 링 컨테이너에 마우스를 올리면 전체적으로 살짝 어두워짐 */
.ring-container:hover .ring-segment {
  opacity: 0.4;
}

/* 마우스가 올라간 특정 조각만 다시 밝아지고 빛남 */
.ring-container .ring-segment:hover {
  opacity: 1;
  filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.3));
}

/* 바깥쪽 3분할 링 컬러 */
.part-bottom { stroke: #2a9d8f; transition: stroke 0.3s; }
.part-left { stroke: #1d3557; transition: stroke 0.3s; }
.part-right { stroke: #457b9d; transition: stroke 0.3s; }

/* 🌟 중앙 원 심장박동(Pulse) 애니메이션 */
@keyframes pulseGlow {
  0% { filter: drop-shadow(0 0 10px rgba(0, 180, 216, 0.4)); }
  50% { filter: drop-shadow(0 0 35px rgba(0, 180, 216, 0.9)); }
  100% { filter: drop-shadow(0 0 10px rgba(0, 180, 216, 0.4)); }
}

/* 중앙 원 */
.network-center-circle {
  fill: #00b4d8; 
  stroke: #ffffff;
  stroke-width: 4;
  transform-origin: center;
  /* 회전 대신 은은하게 빛이 퍼지는 효과 */
  animation: pulseGlow 3s infinite ease-in-out;
}

/* 곡선 텍스트 */
.ring-text {
  fill: #ffffff;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.03em;
  dominant-baseline: middle;
  pointer-events: none; /* 텍스트 위에 마우스가 올라가도 도형 오버 효과 방해 안 함 */
}

/* 중앙 텍스트 */
.center-text {
  fill: #ffffff;
  font-weight: 800;
  letter-spacing: -0.05em;
  text-anchor: middle;
  pointer-events: none;
}
.center-title { font-size: 32px; }
.center-subtitle { font-size: 30px; }

/* 반응형 사이즈 조정 */
@media (max-width: 768px) {
  .network-diagram-wrap { margin-top: 30px; }
  .ring-text { font-size: 16px; }
  .center-title { font-size: 26px; }
  .center-subtitle { font-size: 24px; }
}

@media (max-width: 480px) {
  .ring-text { font-size: 14px; }
  .center-title { font-size: 22px; }
  .center-subtitle { font-size: 20px; }
}

/* 애니메이션 오류로 숨겨진 요소 강제 노출 */
.network-structure-section .fade-up {
  opacity: 1 !important;
  transform: none !important;
}

/* ===== Footer final override ===== */
.site-footer .site-footer-top {
  width: min(1280px, calc(100% - 48px));
  margin: 0 auto;
  padding: 52px 0 38px;
}

.site-footer .site-footer-brand {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 34px;
}

.site-footer .site-footer-logo {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  line-height: 0;
}

.site-footer .site-footer-logo img {
  display: block;
  width: auto;
  height: 96px !important;
  max-height: none !important;
  object-fit: contain;
}

.site-footer .site-footer-company {
  font-size: 1.65rem !important;
  font-weight: 800;
  color: #1f3768;
  letter-spacing: -0.02em;
}

.site-footer .site-footer-sitemap {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.site-footer .footer-sitemap-row {
  display: grid;
  grid-template-columns: 165px minmax(0, 1fr);
  column-gap: 26px;
  align-items: center;
}

.site-footer .footer-main-link {
  position: relative;
  display: block;
  color: #1f3768;
  font-size: 1.08rem;
  font-weight: 800;
  text-decoration: none;
  line-height: 1.4;
  padding-right: 0;
}

.site-footer .footer-main-link::after {
  content: none;
}

.site-footer .footer-sub-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 28px;
  margin-left: -18px;
  padding-top: 0;
}

.site-footer .footer-sub-links a {
  color: #566174;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
}

.site-footer .footer-sub-links a:hover {
  color: #1f3768;
}

.site-footer .site-footer-info {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.site-footer .site-footer-info p {
  margin: 0 0 8px;
  color: #6f7b8c;
  font-size: 0.96rem;
  line-height: 1.7;
}

.site-footer .site-footer-info span {
  display: inline-block;
  margin: 0 10px;
  color: #a0a9b5;
}

@media (max-width: 768px) {
  .site-footer .site-footer-logo img {
    height: 64px !important;
  }

  .site-footer .site-footer-company {
    font-size: 1.2rem !important;
  }

  .site-footer .footer-sitemap-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .site-footer .footer-main-link {
    padding-right: 0;
  }

  .site-footer .footer-main-link::after {
    display: none;
  }

  .site-footer .footer-sub-links {
    margin-left: 0;
  }
}

/* ===== Header logo final override ===== */
.header-inner {
  height: 112px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  line-height: 0;
  flex-shrink: 0;
}

.header-logo img {
  height: 72px !important;
  width: auto !important;
  max-height: none !important;
  object-fit: contain;
  display: block;
}

/* ===== Header logo position final override ===== */
.header-inner {
  width: var(--container);
  height: 112px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
  margin-left: 18px;
}

.header-logo img {
  height: 72px !important;
  width: auto !important;
  object-fit: contain;
  display: block;
}

#contact-estimate {
  scroll-margin-top: 140px;
}

/* =========================
   Responsive Patch for D&I WISE
   기존 CSS 맨 아래 추가
   ========================= */

/* 공통 컨테이너 폭 보정 */
:root {
  --responsive-gutter-desktop: 32px;
  --responsive-gutter-tablet: 24px;
  --responsive-gutter-mobile: 20px;
  --responsive-gutter-small: 16px;
}

.container,
.container-wide,
.header-inner {
  width: min(100% - var(--responsive-gutter-desktop), 1200px);
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

/* 공통 박스 계산 안정화 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* 이미지가 영역 비율 안에서 자연스럽게 보이도록 */
img {
  max-width: 100%;
  height: auto;
}

/* hero / sub-hero 텍스트 비율 보정 */
.hero-title,
.sub-hero-title,
.section-title,
.company-section-title,
.services-section-title {
  font-size: clamp(1.9rem, 4vw, 3.6rem);
  line-height: 1.18;
  word-break: keep-all;
}

.hero-desc,
.sub-hero-desc,
.section-desc,
.company-section-desc,
.services-section-desc {
  font-size: clamp(0.98rem, 1.5vw, 1.12rem);
  line-height: 1.7;
  word-break: keep-all;
}

/* 주요 섹션 내부 폭이 화면 밖으로 넘치지 않게 */
.section,
.section-dark,
.section-light,
.sub-hero,
.company-section,
.services-section,
.service-flow-panel,
.services-bridge-band,
.case-study-section,
.esg-section {
  overflow-x: clip;
}

/* 카드류가 모바일에서 꽉 끼지 않도록 */
.service-card,
.value-card,
.case-card,
.esg-card,
.target-card,
.diff-card,
.service-flow-step,
.service-structure-card,
.company-value-card {
  width: 100%;
  min-width: 0;
}

/* 그리드/플렉스 내부 텍스트 넘침 방지 */
.service-flow-step,
.service-card,
.value-card,
.case-card,
.esg-card,
.target-card,
.diff-card,
.service-structure-card,
.company-value-card,
.company-section-desc,
.section-desc,
.services-section-desc {
  min-width: 0;
  word-break: keep-all;
  overflow-wrap: break-word;
}

/* 헤더 로고 과도하게 커지는 것 방지 */
.header-logo img {
  max-width: 100%;
  height: auto;
}

/* 데스크톱에서는 기존 비율 최대한 유지 */
.hero,
.sub-hero {
  width: 100%;
}

/* ===== 태블릿 ===== */
@media (max-width: 1024px) {
  .container,
  .container-wide,
  .header-inner {
    width: min(100% - var(--responsive-gutter-tablet), 960px);
  }

  .hero-title,
  .sub-hero-title,
  .section-title,
  .company-section-title,
  .services-section-title {
    font-size: clamp(1.8rem, 5vw, 3rem);
  }

  .hero-desc,
  .sub-hero-desc,
  .section-desc,
  .company-section-desc,
  .services-section-desc {
    font-size: 1rem;
  }
}

/* ===== 모바일 ===== */
@media (max-width: 768px) {
  .container,
  .container-wide,
  .header-inner {
    width: calc(100% - var(--responsive-gutter-mobile));
  }

  .header-shell {
    padding-left: 0;
    padding-right: 0;
  }

  .header-inner {
    height: auto;
    min-height: 76px;
  }

  .header-logo img {
    height: 56px;
    width: auto;
  }

  .hero,
  .sub-hero,
  .section,
  .section-dark,
  .section-light,
  .company-section,
  .services-section {
    padding-left: 0;
    padding-right: 0;
  }

  .hero-title,
  .sub-hero-title,
  .section-title,
  .company-section-title,
  .services-section-title {
    font-size: clamp(1.6rem, 7vw, 2.4rem);
    line-height: 1.22;
    letter-spacing: -0.03em;
  }

  .hero-desc,
  .sub-hero-desc,
  .section-desc,
  .company-section-desc,
  .services-section-desc {
    font-size: 0.96rem;
    line-height: 1.65;
  }

  /* 회사소개 / 서비스소개 계열 여백 완화 */
  .company-section,
  .services-section {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  /* 운영흐름 / 구조 카드 간격 안정화 */
  .service-flow-panel,
  .services-bridge-band {
    border-radius: 20px;
  }

  .service-flow-grid,
  .services-grid,
  .target-market-grid,
  .case-study-grid,
  .esg-grid,
  .service-structure-grid,
  .company-value-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  /* 2열/3열짜리 요소들 모바일 1열화 */
  .service-flow-step,
  .service-card,
  .value-card,
  .case-card,
  .esg-card,
  .target-card,
  .diff-card,
  .service-structure-card,
  .company-value-card {
    padding: 20px;
  }

  /* 원형/도식형 영역이 너무 넓게 퍼지지 않게 */
  .network-visual,
  .value-circle-wrap,
  .service-structure-visual,
  .core-value-visual {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  /* 차트/지도/비주얼 박스류 */
  .section-visual,
  .sub-hero-visual,
  .hero-visual,
  .case-study-visual,
  .map-visual {
    width: 100%;
    border-radius: 18px;
    overflow: hidden;
  }
}

/* ===== 아주 작은 모바일 ===== */
@media (max-width: 480px) {
  .container,
  .container-wide,
  .header-inner {
    width: calc(100% - var(--responsive-gutter-small));
  }

  .header-logo img {
    height: 48px;
  }

  .hero-title,
  .sub-hero-title,
  .section-title,
  .company-section-title,
  .services-section-title {
    font-size: clamp(1.35rem, 8vw, 2rem);
    line-height: 1.24;
  }

  .hero-desc,
  .sub-hero-desc,
  .section-desc,
  .company-section-desc,
  .services-section-desc {
    font-size: 0.92rem;
    line-height: 1.6;
  }

  .service-flow-step,
  .service-card,
  .value-card,
  .case-card,
  .esg-card,
  .target-card,
  .diff-card,
  .service-structure-card,
  .company-value-card {
    padding: 16px;
    border-radius: 16px;
  }

  .service-flow-panel,
  .services-bridge-band,
  .section-visual,
  .sub-hero-visual,
  .hero-visual,
  .case-study-visual,
  .map-visual {
    border-radius: 16px;
  }
}

/* =========================================
   D&I WISE 모바일 실전 보정 패치
   기존 CSS 맨 아래에 추가
   ========================================= */

@media (max-width: 768px) {
  /* -------------------------
     0. 공통
     ------------------------- */
  html, body {
    overflow-x: hidden;
  }

  .container,
  .container-wide,
  .header-inner {
    width: calc(100% - 24px) !important;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  /* -------------------------
     1. 헤더
     ------------------------- */
  .header-shell {
    min-height: 88px;
  }

  .header-inner {
    min-height: 88px;
    height: auto;
    padding-top: 10px;
    padding-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .header-logo img {
    height: 52px !important;
    width: auto;
    max-width: 220px;
    object-fit: contain;
  }

  .mobile-menu-toggle,
  .menu-toggle,
  .nav-toggle,
  .header-menu-btn {
    transform: scale(0.92);
    transform-origin: center;
  }

  /* -------------------------
     2. 메인 Hero
     ------------------------- */
  .hero {
    min-height: auto !important;
    padding-top: 36px !important;
    padding-bottom: 48px !important;
    background-position: center center !important;
    background-size: cover !important;
  }

  .hero-inner,
  .hero-content {
    width: 100%;
    max-width: 100%;
  }

  .hero-kicker {
    font-size: 0.95rem !important;
    padding: 10px 18px !important;
    border-radius: 999px;
  }

  .hero-title {
    font-size: clamp(2rem, 9vw, 3rem) !important;
    line-height: 1.16 !important;
    letter-spacing: -0.04em !important;
    margin-bottom: 18px !important;
  }

  .hero-desc {
    font-size: 1rem !important;
    line-height: 1.65 !important;
    margin-bottom: 28px !important;
  }

  /* hero 버튼 축소 */
  .hero-actions,
  .hero-cta,
  .hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 14px;
    width: 100%;
  }

  .hero-actions .btn,
  .hero-actions a,
  .hero-cta .btn,
  .hero-cta a,
  .hero-buttons .btn,
  .hero-buttons a,
  .hero .btn,
  .hero a.btn,
  .hero-primary,
  .hero-secondary {
    width: 100%;
    min-height: 58px !important;
    padding: 16px 20px !important;
    border-radius: 999px !important;
    font-size: 1.05rem !important;
    line-height: 1.2 !important;
  }

  /* -------------------------
     3. 서브히어로 / 섹션 타이틀
     ------------------------- */
  .sub-hero {
    padding-top: 56px !important;
    padding-bottom: 56px !important;
  }

  .sub-hero-title,
  .section-title,
  .company-section-title,
  .services-section-title {
    font-size: clamp(1.85rem, 8vw, 2.5rem) !important;
    line-height: 1.2 !important;
    letter-spacing: -0.04em !important;
  }

  .sub-hero-desc,
  .section-desc,
  .company-section-desc,
  .services-section-desc {
    font-size: 0.98rem !important;
    line-height: 1.7 !important;
  }

  /* -------------------------
     4. PROCESS FLOW 모바일 단순화
     ------------------------- */

  /* 패널 자체 정리 */
  .service-flow-panel {
    padding: 18px !important;
    border-radius: 28px !important;
  }

  .service-flow-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 14px !important;
    align-items: stretch !important;
  }

  .service-flow-step {
    min-height: 92px !important;
    padding: 16px 12px !important;
    border-radius: 22px !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
  }

  .service-flow-step h4,
  .service-flow-step .step-title {
    font-size: 1.05rem !important;
    line-height: 1.2 !important;
    margin: 0 !important;
  }

  .service-flow-step p,
  .service-flow-step .step-desc,
  .service-flow-step .step-num {
    display: none !important;
  }

  /* 모바일에서는 연결선/움직이는 요소 제거 */
  .service-flow-line,
  .service-flow-lines,
  .service-flow-arrow,
  .service-flow-path,
  .service-flow-connector,
  .flow-line,
  .flow-arrow,
  .flow-connector,
  .truck-line,
  .truck-path,
  .truck-icon-moving,
  .flow-moving-icon,
  .service-flow-truck,
  .service-flow-truck-wrap {
    display: none !important;
    animation: none !important;
  }

  /* 트럭 이미지를 정적 아이콘으로만 사용 */
  .service-flow-step--truck img,
  .service-flow-step.truck-step img,
  .service-flow-step .truck-icon,
  .service-flow-step .step-icon {
    max-width: 90px !important;
    height: auto !important;
    display: block;
    margin: 0 auto;
  }

  /* 혹시 트럭칸 텍스트가 겹치면 더 강하게 숨김 */
  .service-flow-step img + span,
  .service-flow-step img + strong {
    display: none !important;
  }

  /* -------------------------
     5. 카드/그리드 1열 정리
     ------------------------- */
  .services-grid,
  .target-market-grid,
  .case-study-grid,
  .esg-grid,
  .service-structure-grid,
  .company-value-grid,
  .diff-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .service-card,
  .value-card,
  .case-card,
  .esg-card,
  .target-card,
  .diff-card,
  .service-structure-card,
  .company-value-card {
    padding: 20px !important;
    border-radius: 20px !important;
  }

  /* -------------------------
     6. 모바일 메뉴 오픈 화면 정리
     ------------------------- */
  .mobile-nav,
  .nav-mobile,
  .mobile-menu-panel,
  .nav-drawer {
    padding: 28px 24px 32px !important;
  }

  .mobile-nav .nav-link,
  .nav-mobile .nav-link,
  .mobile-menu-panel .nav-link,
  .nav-drawer .nav-link {
    font-size: 1rem !important;
  }

  .mobile-nav .nav-dropdown,
  .nav-mobile .nav-dropdown,
  .mobile-menu-panel .nav-dropdown,
  .nav-drawer .nav-dropdown {
    gap: 10px !important;
  }

  /* -------------------------
     7. 푸터 모바일 정리
     ------------------------- */
  .footer,
  .site-footer {
    padding-top: 28px !important;
    padding-bottom: 34px !important;
  }

  .footer-inner,
  .site-footer-inner {
    width: calc(100% - 24px) !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 18px !important;
  }

  .footer-top,
  .footer-main,
  .footer-bottom {
    display: block !important;
  }

  .footer-logo img,
  .site-footer-logo img {
    height: 34px !important;
    width: auto !important;
  }

  .footer-company,
  .footer-info,
  .footer-address,
  .footer-copy,
  .site-footer p,
  .site-footer li,
  .footer p,
  .footer li {
    font-size: 0.92rem !important;
    line-height: 1.75 !important;
    color: #7b8496 !important;
    word-break: keep-all !important;
  }

  /* 푸터 항목 한 줄 나열되어 지저분하면 세로 정렬 */
  .footer-meta,
  .footer-links,
  .footer-contact,
  .site-footer-links,
  .site-footer-meta {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    align-items: flex-start !important;
  }

  /* 구분자 제거 */
  .footer-meta .divider,
  .footer-links .divider,
  .site-footer-meta .divider,
  .site-footer-links .divider,
  .footer .sep,
  .site-footer .sep {
    display: none !important;
  }

  /* 맨 위로 버튼 */
  .back-to-top,
  .scroll-top,
  .top-btn {
    width: 52px !important;
    height: 52px !important;
    right: 16px !important;
    bottom: 16px !important;
  }
}

/* 아주 작은 기기 */
@media (max-width: 480px) {
  .container,
  .container-wide,
  .header-inner,
  .footer-inner,
  .site-footer-inner {
    width: calc(100% - 18px) !important;
  }

  .hero-title {
    font-size: clamp(1.8rem, 9vw, 2.5rem) !important;
  }

  .hero-actions .btn,
  .hero-actions a,
  .hero .btn,
  .hero a.btn,
  .hero-primary,
  .hero-secondary {
    min-height: 54px !important;
    font-size: 1rem !important;
  }

  .service-flow-panel {
    padding: 14px !important;
    border-radius: 24px !important;
  }

  .service-flow-step {
    min-height: 84px !important;
    border-radius: 18px !important;
    padding: 14px 10px !important;
  }
}

@media (max-width: 768px) {
  .header-inner {
    width: calc(100% - 20px);
    height: 74px !important;
  }

  .header-logo img {
    height: 42px !important;
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
  }

  .nav-toggle span {
    width: 22px;
  }

  .mobile-menu-inner {
    width: calc(100% - 24px);
    padding: 14px 0 20px;
  }

  .mobile-main-link {
    font-size: 0.98rem;
    margin-bottom: 10px;
  }

  .mobile-sub-links {
    gap: 8px;
  }

  .mobile-sub-links a {
    font-size: 0.93rem;
    line-height: 1.5;
  }
}

@media (max-width: 768px) {
  .hero,
  .hero-photo {
    min-height: auto !important;
    padding: 40px 0 46px !important;
  }

  .hero-photo .hero-inner {
    padding: 0 20px !important;
  }

  .hero-photo .hero-text {
    max-width: 100%;
    padding: 20px 0 30px !important;
  }

  .hero-photo .hero-eyebrow {
    font-size: 12px;
    padding: 8px 12px;
    margin-bottom: 18px;
  }

  .hero-photo .hero-text h1 {
    font-size: clamp(34px, 8vw, 44px) !important;
    line-height: 1.12;
  }

  .hero-photo .hero-text p {
    font-size: 15px !important;
    line-height: 1.7;
    margin-top: 18px;
  }

  .scroll-indicator {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .hero-buttons {
    flex-direction: column;
    gap: 10px;
    margin-top: 24px !important;
  }

  .hero-buttons .btn-primary,
  .hero-buttons .btn-outline,
  .hero-buttons .btn-light {
    width: 100%;
    min-height: 48px !important;
    height: 48px;
    padding: 0 18px !important;
    font-size: 14px !important;
    border-radius: 999px;
  }
}

@media (max-width: 768px) {
  .flow-wrap.flow-animated {
    padding: 20px 16px !important;
    border-radius: 24px !important;
  }

  .flow-track-glow,
  .flow-track-line,
  .flow-progress,
  .flow-truck {
    display: none !important;
  }

  .flow-status-row {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 12px !important;
  }

  .flow-status-item {
    min-height: 72px;
    padding: 14px 10px !important;
    border-radius: 18px !important;
    background: rgba(255,255,255,0.88) !important;
    border: 1px solid rgba(173,194,238,0.38);
    font-size: 1rem !important;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .flow-status-item.active {
    transform: none !important;
    text-shadow: none !important;
  }
}

@media (max-width: 480px) {
  .flow-status-row {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 768px) {
  .service-flow-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .service-flow-step {
    padding: 18px 16px !important;
    border-radius: 20px !important;
    min-height: auto !important;
  }

  .service-flow-step .step-num {
    margin-bottom: 8px;
    font-size: 0.85rem;
  }

  .service-flow-step h4 {
    font-size: 1.05rem;
    margin-bottom: 6px;
  }

  .service-flow-step p {
    font-size: 0.92rem;
    line-height: 1.6;
  }
}

@media (max-width: 768px) {
  .site-footer-top {
    width: calc(100% - 24px) !important;
    padding: 30px 0 24px !important;
  }

  .site-footer-brand {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 20px !important;
  }

  .site-footer-logo img {
    height: 44px !important;
  }

  .site-footer-company {
    font-size: 1.06rem !important;
  }

  .site-footer-sitemap {
    gap: 12px !important;
  }

  .footer-sitemap-row {
    grid-template-columns: 1fr !important;
    gap: 0 !important;
  }

  .footer-main-link {
    font-size: 0.98rem !important;
    padding: 8px 0 !important;
    border-bottom: 1px solid rgba(15,23,42,0.06);
  }

  .footer-sub-links {
    display: none !important;
  }

  .site-footer-info {
    margin-top: 20px !important;
    padding-top: 18px !important;
  }

  .site-footer-info p {
    margin: 0 0 6px;
    font-size: 0.87rem !important;
    line-height: 1.65 !important;
    word-break: keep-all;
  }

  .site-footer-info span {
    display: none;
  }
}