.site-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  min-height: var(--header-height);
  color: var(--color-navy-950);
  background: rgb(250 249 245 / 96%);
  border-bottom: 1px solid rgb(6 24 39 / 10%);
  backdrop-filter: blur(1rem);
  transition: min-height var(--transition-base), color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), border-color var(--transition-base);
}

.site-header--overlay {
  margin-bottom: calc(var(--header-height) * -1);
  color: var(--color-white);
  background: linear-gradient(180deg, rgb(3 18 31 / 55%), transparent);
  border-color: transparent;
  backdrop-filter: none;
}

.site-header.is-scrolled {
  min-height: var(--header-height-scrolled);
  color: var(--color-navy-950);
  background: rgb(250 249 245 / 96%);
  border-color: rgb(6 24 39 / 10%);
  box-shadow: var(--shadow-header);
  backdrop-filter: blur(1rem);
}

.header-inner,
.footer-inner,
.content-container {
  width: min(100%, var(--content-width));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.header-inner {
  width: min(100%, var(--content-wide));
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  gap: clamp(var(--space-5), 2.2vw, var(--space-10));
  transition: min-height var(--transition-base);
}

.site-header.is-scrolled .header-inner { min-height: var(--header-height-scrolled); }
.site-main { display: block; overflow: hidden; }

.home-hero {
  position: relative;
  min-height: clamp(42rem, 88svh, 56rem);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--color-white);
  background: var(--color-navy-950);
  isolation: isolate;
}

.hero-visual,
.hero-shade {
  position: absolute;
  z-index: -2;
  inset: 0;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
  transform: scale(1.005);
}

.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgb(3 18 31 / 70%) 0%, rgb(3 18 31 / 28%) 48%, rgb(3 18 31 / 7%) 100%),
    linear-gradient(0deg, rgb(3 18 31 / 76%) 0%, transparent 58%);
}

.hero-inner {
  width: min(100%, var(--content-wide));
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 2rem);
  align-items: end;
  margin-inline: auto;
  padding: calc(var(--header-height) + var(--space-12)) var(--page-gutter) clamp(3rem, 6vw, 6rem);
}

.hero-content { grid-column: 1 / 9; }

.hero-content h1 {
  max-width: 16ch;
  margin: 0;
  font-size: clamp(3.4rem, 5.5vw, 5.75rem);
  font-weight: var(--font-weight-semibold);
  line-height: 1.02;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.hero-content h1 span { display: block; }

html[lang="en"] .hero-content h1 {
  max-width: none;
  font-size: clamp(3rem, 4.35vw, 4.55rem);
}

html[lang="ko"] .hero-content h1 {
  max-width: 18ch;
  font-size: clamp(3.1rem, 4.7vw, 4.9rem);
  word-break: keep-all;
}

.hero-content p {
  max-width: 39rem;
  margin: var(--space-6) 0 0;
  color: rgb(255 255 255 / 80%);
  font-size: clamp(1rem, 1.3vw, 1.18rem);
  line-height: 1.7;
  text-wrap: balance;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-8); }

.hero-scroll {
  grid-column: 11 / 13;
  justify-self: end;
  display: grid;
  justify-items: end;
  gap: var(--space-3);
  color: rgb(255 255 255 / 78%);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.08em;
  text-decoration: none;
}

.hero-scroll i { position: relative; width: 1px; height: 3.5rem; display: block; overflow: hidden; background: rgb(255 255 255 / 30%); }
.hero-scroll i::after { position: absolute; top: 0; left: 0; width: 1px; height: 55%; background: var(--color-gold-400); content: ""; animation: scroll-line 2s ease-in-out infinite; }

.business-section {
  padding: var(--section-space-compact) var(--page-gutter) var(--section-space);
  color: var(--color-navy-950);
  background: var(--color-paper);
}

.business-inner { width: min(100%, var(--content-wide)); margin-inline: auto; }

.business-intro {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 2rem);
  align-items: end;
  margin-bottom: clamp(3rem, 4.5vw, 4.75rem);
}

.business-heading-title { grid-column: 1 / 8; }
.business-intro h2 { margin: 0; color: var(--color-navy-950); font-size: var(--font-size-section); font-weight: var(--font-weight-medium); line-height: 1.02; letter-spacing: -0.05em; }
.business-intro > p { grid-column: 9 / 13; margin: 0 0 0.5rem; color: var(--color-gray-700); font-size: var(--font-size-md); line-height: 1.75; }
.business-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--color-gray-200);
  border-left: 1px solid var(--color-gray-200);
}

.glance-section {
  padding: var(--section-space) var(--page-gutter);
  color: var(--color-white);
  background: var(--color-navy-950);
}

.glance-inner,
.solutions-inner,
.projects-inner,
.technology-inner,
.network-inner,
.news-inner,
.contact-inner {
  width: min(100%, var(--content-wide));
  margin-inline: auto;
}

.glance-heading {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 2rem);
  align-items: end;
  margin-bottom: clamp(3.5rem, 5.5vw, 5.75rem);
}

.glance-heading > div:first-child { grid-column: 1 / 8; }
.glance-heading h2 { max-width: 15ch; margin: 0; font-size: var(--font-size-section); font-weight: var(--font-weight-medium); line-height: 1.04; letter-spacing: -0.05em; }
.glance-copy { grid-column: 9 / 13; }
.glance-copy p { margin: 0; color: rgb(255 255 255 / 68%); font-size: var(--font-size-md); line-height: 1.75; }
.glance-copy small { display: block; margin-top: var(--space-6); color: var(--color-gold-400); font-size: 0.65rem; font-weight: var(--font-weight-bold); letter-spacing: 0.1em; }

.glance-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; border-top: 1px solid rgb(255 255 255 / 25%); border-bottom: 1px solid rgb(255 255 255 / 25%); }
.glance-stat { position: relative; min-height: clamp(14rem, 18vw, 18rem); display: flex; flex-direction: column; padding: var(--space-6); border-left: 1px solid rgb(255 255 255 / 20%); }
.glance-stat:first-child { border-left: 0; }
.glance-stat > span { color: var(--color-gold-400); font-size: var(--font-size-xs); letter-spacing: 0.12em; }
.glance-stat dt { margin-top: auto; color: rgb(255 255 255 / 65%); font-size: var(--font-size-sm); }
.glance-stat dd { order: -1; margin: var(--space-8) 0 0; font-size: clamp(3rem, 4.5vw, 5rem); font-weight: var(--font-weight-medium); line-height: 1; letter-spacing: -0.055em; }
.glance-stat small { margin-top: var(--space-3); color: var(--color-teal-500); font-size: 0.65rem; font-weight: var(--font-weight-bold); letter-spacing: 0.12em; text-transform: uppercase; }

.solutions-section { padding: var(--section-space) var(--page-gutter); background: var(--color-white); }
.solutions-heading { max-width: 65rem; margin-bottom: clamp(3rem, 5vw, 5rem); }
.solutions-heading h2 { max-width: 19ch; margin: 0; font-size: var(--font-size-section); font-weight: var(--font-weight-medium); line-height: 1.04; letter-spacing: -0.05em; }
.solutions-heading p { max-width: 45rem; margin: var(--space-6) 0 0; color: var(--color-gray-700); font-size: var(--font-size-md); line-height: 1.75; }
.solutions-stage { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 3rem); align-items: stretch; }
.solutions-visual { position: relative; grid-column: 1 / 8; min-height: 36rem; margin: 0; overflow: hidden; background: var(--color-navy-900); }
.solutions-visual picture { position: absolute; inset: 0; }
.solutions-visual img { width: 100%; height: 100%; object-fit: cover; object-position: 30% center; }
.solutions-visual::after { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgb(6 24 39 / 56%)); content: ""; }
.solutions-visual figcaption { position: absolute; z-index: 1; right: var(--space-6); bottom: var(--space-5); color: var(--color-white); font-size: var(--font-size-xs); font-weight: var(--font-weight-bold); letter-spacing: 0.16em; }
.solutions-list { grid-column: 8 / 13; display: grid; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--color-gray-300); }
.solutions-list li { border-bottom: 1px solid var(--color-gray-300); }
.solutions-list a { min-height: 9rem; display: grid; grid-template-columns: 2.5rem 1fr auto; gap: var(--space-5); align-items: center; padding: var(--space-5) 0; text-decoration: none; }

.projects-section { padding: var(--section-space) var(--page-gutter); background: var(--color-canvas); }
.projects-heading { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 2rem); align-items: end; margin-bottom: clamp(3rem, 5vw, 5rem); }
.projects-heading > div:first-child { grid-column: 1 / 8; }
.projects-heading > div:last-child { grid-column: 9 / 13; }
.projects-heading h2 { margin: 0; font-size: var(--font-size-section); font-weight: var(--font-weight-medium); line-height: 1.04; letter-spacing: -0.05em; }
.projects-heading p { margin: 0; color: var(--color-gray-700); line-height: 1.7; }
.project-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); grid-template-rows: repeat(2, minmax(18rem, 1fr)); gap: clamp(1rem, 2vw, 2rem); }
.project-feature--lead { grid-column: 1 / 8; grid-row: 1 / 3; }
.project-feature--supporting { grid-column: 8 / 13; }
.project-feature > a { position: relative; height: 100%; min-height: 20rem; display: block; overflow: hidden; color: var(--color-white); text-decoration: none; background: var(--color-navy-900); }
.project-media,
.project-shade { position: absolute; inset: 0; }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 700ms cubic-bezier(0.2, 0.75, 0.3, 1); }
.project-feature--lead img { object-position: 22% center; }
.project-feature:nth-child(2) img { object-position: 53% center; }
.project-feature:nth-child(3) img { object-position: 82% center; }
.project-shade { background: linear-gradient(180deg, transparent 32%, rgb(3 18 31 / 92%) 100%); }
.project-copy { position: absolute; right: clamp(1.5rem, 3vw, 3rem); bottom: clamp(1.5rem, 3vw, 3rem); left: clamp(1.5rem, 3vw, 3rem); display: grid; }
.project-copy small { color: var(--color-gold-400); font-size: 0.65rem; font-weight: var(--font-weight-bold); letter-spacing: 0.12em; }
.project-copy strong { max-width: 17ch; margin-top: var(--space-3); font-size: clamp(1.6rem, 3vw, 3.5rem); font-weight: var(--font-weight-medium); line-height: 1.08; letter-spacing: -0.045em; }
.project-feature--supporting .project-copy strong { font-size: clamp(1.45rem, 2.3vw, 2.5rem); }
.project-copy > span { max-width: 38rem; margin-top: var(--space-4); color: rgb(255 255 255 / 70%); line-height: 1.6; }
.project-feature--supporting .project-copy > span { display: none; }
.project-copy i { position: absolute; right: 0; bottom: 0; font-size: 1.35rem; font-style: normal; }

.technology-section { position: relative; min-height: clamp(42rem, 66vw, 52rem); display: grid; align-items: center; padding: var(--section-space) var(--page-gutter); overflow: hidden; color: var(--color-white); background: var(--color-navy-950); isolation: isolate; }
.technology-visual,
.technology-shade { position: absolute; z-index: -2; inset: 0; }
.technology-visual img { width: 100%; height: 100%; object-fit: cover; object-position: 70% center; }
.technology-shade { z-index: -1; background: linear-gradient(90deg, rgb(3 18 31 / 96%) 0%, rgb(3 18 31 / 82%) 42%, rgb(3 18 31 / 25%) 100%); }
.technology-inner { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 2rem); align-items: end; }
.technology-copy { grid-column: 1 / 8; }
.technology-copy h2 { max-width: 14ch; margin: 0; font-size: var(--font-size-section); font-weight: var(--font-weight-medium); line-height: 1.03; letter-spacing: -0.05em; }
.technology-copy p { max-width: 38rem; margin: var(--space-8) 0 0; color: rgb(255 255 255 / 72%); font-size: var(--font-size-md); line-height: 1.75; }
.technology-copy .button { width: fit-content; margin-top: var(--space-8); }
.technology-capabilities { grid-column: 8 / 13; margin: 0; padding: 0; list-style: none; border-top: 1px solid rgb(255 255 255 / 35%); backdrop-filter: blur(0.4rem); }
.technology-capabilities li { display: grid; grid-template-columns: 2.5rem 1fr; gap: var(--space-2) var(--space-5); padding: var(--space-6) 0; border-bottom: 1px solid rgb(255 255 255 / 35%); }
.technology-capabilities li > span { grid-row: 1 / 3; color: var(--color-gold-400); font-size: var(--font-size-xs); }
.technology-capabilities strong { font-size: var(--font-size-lg); }
.technology-capabilities small { color: rgb(255 255 255 / 65%); line-height: 1.5; }

.network-section { padding: var(--section-space) var(--page-gutter); background: var(--color-white); }
.network-heading { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 2rem); align-items: end; margin-bottom: clamp(3rem, 5vw, 5rem); }
.network-heading .eyebrow { grid-column: 1 / 13; }
.network-heading h2 { grid-column: 1 / 9; max-width: 17ch; margin: 0; font-size: var(--font-size-section); font-weight: var(--font-weight-medium); line-height: 1.04; letter-spacing: -0.05em; }
.network-heading p { grid-column: 9 / 13; margin: 0 0 0.5rem; color: var(--color-gray-700); font-size: var(--font-size-md); line-height: 1.75; }
.network-stage { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 3rem); align-items: start; }
.network-map { position: relative; grid-column: 1 / 9; align-self: start; aspect-ratio: 16 / 9; min-height: 0; margin: 0; overflow: hidden; color: var(--color-white); background: var(--color-navy-950); }
.network-map img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.network-locations { grid-column: 9 / 13; display: grid; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--color-gray-300); }
.network-locations li { display: grid; grid-template-columns: 2.25rem 1fr; gap: var(--space-2) var(--space-4); align-content: center; padding: var(--space-6) 0; border-bottom: 1px solid var(--color-gray-300); }
.network-locations li > span { grid-row: 1 / 3; color: var(--color-gold-500); font-size: var(--font-size-xs); }
.network-locations div { display: grid; }
.network-locations strong { font-size: var(--font-size-lg); }
.network-locations small { margin-top: var(--space-1); color: var(--color-blue-600); font-size: 0.68rem; font-weight: var(--font-weight-bold); letter-spacing: 0.08em; }
.network-locations p { grid-column: 2; margin: var(--space-3) 0 0; color: var(--color-gray-700); font-size: var(--font-size-sm); }

.news-section { padding: var(--section-space) var(--page-gutter); background: var(--color-canvas); }
.news-heading { margin-bottom: clamp(3rem, 5vw, 5rem); }
.news-heading h2 { margin: 0; font-size: var(--font-size-section); font-weight: var(--font-weight-medium); line-height: 1.04; letter-spacing: -0.05em; }
.news-layout { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 3rem); }
.news-list { grid-column: 1 / 9; border-top: 1px solid var(--color-gray-300); }
.news-layout--compact .news-list { grid-column: 1 / 13; }
.resource-panel { grid-column: 9 / 13; min-height: 27rem; display: flex; flex-direction: column; align-items: flex-start; padding: clamp(2rem, 4vw, 4rem); color: var(--color-navy-950); background: var(--color-gold-500); }
.resource-panel > span { font-size: 0.65rem; font-weight: var(--font-weight-bold); letter-spacing: 0.14em; }
.resource-panel > strong { max-width: 10ch; margin-top: auto; font-size: clamp(2rem, 3.4vw, 3.8rem); font-weight: var(--font-weight-medium); line-height: 1.02; letter-spacing: -0.05em; }
.resource-panel p { margin: var(--space-5) 0 0; line-height: 1.6; }
.resource-panel a { display: flex; gap: var(--space-8); margin-top: var(--space-8); padding-bottom: var(--space-2); font-weight: var(--font-weight-semibold); text-decoration: none; border-bottom: 1px solid currentColor; }
.resource-panel i { font-style: normal; }

.contact-section { padding: var(--section-space) var(--page-gutter); color: var(--color-navy-950); background: var(--color-gold-500); }
.contact-inner { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 2rem); align-items: end; }
.contact-heading { grid-column: 1 / 9; }
.contact-heading .eyebrow { color: var(--color-navy-800); }
.contact-heading h2 { max-width: 15ch; margin: 0; font-size: var(--font-size-section); font-weight: var(--font-weight-medium); line-height: 1.03; letter-spacing: -0.05em; }
.contact-heading p { max-width: 40rem; margin: var(--space-6) 0 0; font-size: var(--font-size-md); }
.contact-actions { grid-column: 9 / 13; display: grid; border-top: 1px solid rgb(6 24 39 / 35%); }
.contact-actions > a,
.contact-actions > div { min-height: 6.5rem; display: flex; flex-direction: column; justify-content: center; padding: var(--space-4) 0; text-decoration: none; border-bottom: 1px solid rgb(6 24 39 / 35%); }
.contact-actions small { font-size: 0.66rem; font-weight: var(--font-weight-bold); letter-spacing: 0.1em; text-transform: uppercase; }
.contact-actions strong { margin-top: var(--space-2); font-size: var(--font-size-base); }
.contact-actions .contact-primary { flex-direction: row; align-items: center; justify-content: space-between; font-size: var(--font-size-xl); font-weight: var(--font-weight-medium); letter-spacing: -0.04em; }
.contact-primary i { font-size: 2rem; font-style: normal; }

.error-main { min-height: 60vh; display: grid; align-items: center; padding-block: clamp(var(--space-16), 10vw, var(--space-32)); background: var(--color-off-white); }
.error-content { max-width: 48rem; }
.error-content h1 { margin: var(--space-4) 0; font-size: var(--font-size-xl); line-height: var(--line-height-heading); }
.site-footer { color: rgb(255 255 255 / 70%); background: #04111c; }
.footer-inner { width: min(100%, var(--content-wide)); padding-block: clamp(4rem, 6vw, 6rem) var(--space-8); }
.footer-main { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 2rem); padding-bottom: clamp(3rem, 5vw, 5rem); }
.footer-brand { grid-column: 1 / 5; }
.footer-logo { width: fit-content; display: block; text-decoration: none; }
.footer-logo img { width: clamp(10rem, 14vw, 13rem); height: auto; display: block; }
.footer-brand strong { display: block; margin-top: var(--space-3); color: var(--color-gold-400); font-size: 0.68rem; letter-spacing: 0.12em; }
.footer-brand p { max-width: 24rem; margin: var(--space-8) 0 0; font-size: var(--font-size-sm); line-height: 1.7; }
.footer-navigation { grid-column: 6 / 13; display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.footer-navigation strong,
.footer-details strong { color: var(--color-white); font-size: var(--font-size-sm); }
.footer-navigation ul { display: grid; gap: var(--space-3); margin: var(--space-5) 0 0; padding: 0; list-style: none; }
.footer-navigation a,
.footer-details a { font-size: var(--font-size-sm); text-decoration: none; transition: color var(--transition-fast); }
.footer-navigation a:hover,
.footer-details a:hover { color: var(--color-white); }
.footer-details { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: clamp(2rem, 5vw, 6rem); padding-block: var(--space-8); border-top: 1px solid rgb(255 255 255 / 18%); border-bottom: 1px solid rgb(255 255 255 / 18%); }
.footer-details--compact { grid-template-columns: 2fr 1fr; }
.footer-details--single { grid-template-columns: 1fr; }
.footer-details > div { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-3); }
.footer-details > div:first-child { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.footer-details > div:first-child strong { grid-column: 1 / 3; }
.footer-details span,
.footer-details a { line-height: 1.5; }
.footer-details small { color: var(--color-gold-400); font-size: 0.6rem; }
.footer-bottom { padding-top: var(--space-8); font-size: var(--font-size-xs); }

@keyframes scroll-line {
  0% { transform: translateY(-110%); }
  55%, 100% { transform: translateY(190%); }
}