:root {
  --ink: #07131f;
  --ink-soft: #122536;
  --steel: #1c3d55;
  --fog: #d7e2ea;
  --mist: #eef3f7;
  --paper: #f7fafc;
  --accent: #2f6f7a;
  --accent-bright: #3d8a96;
  --text: #e8eef3;
  --text-muted: rgba(232, 238, 243, 0.72);
  --text-dark: #132433;
  --text-dark-muted: #405566;
  --line: rgba(215, 226, 234, 0.18);
  --shadow: 0 24px 60px rgba(7, 19, 31, 0.35);
  --font-display: "Newsreader", "Source Serif 4", Georgia, serif;
  --font-body: "Sora", "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 4.5rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--text-dark);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(61, 138, 150, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 20%, rgba(28, 61, 85, 0.08), transparent 50%),
    linear-gradient(180deg, var(--paper) 0%, var(--mist) 55%, #e4edf3 100%);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
}

p {
  margin: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  z-index: 100;
  transition: top 0.2s var(--ease);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: var(--header-h);
  padding: 0.9rem clamp(1.25rem, 4vw, 3.5rem);
  color: var(--text);
  background: linear-gradient(180deg, rgba(7, 19, 31, 0.72), rgba(7, 19, 31, 0));
  backdrop-filter: blur(0px);
  transition:
    background 0.45s var(--ease),
    backdrop-filter 0.45s var(--ease),
    border-color 0.45s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(7, 19, 31, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 1px;
  background: linear-gradient(135deg, var(--accent-bright), #9ec5cb);
  box-shadow: 0 0 0 4px rgba(61, 138, 150, 0.18);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-nav a {
  position: relative;
  opacity: 0.82;
  transition: opacity 0.25s var(--ease);
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.35rem;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
  opacity: 0.7;
}

.site-nav a:not(.nav-cta):hover::after,
.site-nav a:not(.nav-cta):focus-visible::after {
  transform: scaleX(1);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  opacity: 1;
}

.nav-cta {
  padding: 0.55rem 0.9rem;
  border: 1px solid rgba(215, 226, 234, 0.35);
  opacity: 1 !important;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  color: var(--text);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-image {
  position: absolute;
  inset: -4%;
  background:
    linear-gradient(120deg, rgba(7, 19, 31, 0.15), transparent 40%),
    url("/assets/images/hero.jpg") center / cover no-repeat;
  transform: scale(1.08);
  animation: hero-drift 36s var(--ease) infinite alternate;
  will-change: transform;
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 19, 31, 0.55) 0%, rgba(7, 19, 31, 0.35) 35%, rgba(7, 19, 31, 0.82) 100%),
    radial-gradient(800px 500px at 75% 30%, rgba(47, 111, 122, 0.28), transparent 60%);
}

.hero-grain {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(920px, 100%);
  padding: calc(var(--header-h) + 3rem) clamp(1.25rem, 4vw, 3.5rem) clamp(3rem, 8vh, 5.5rem);
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.05;
  margin-bottom: 1.1rem;
  max-width: 14ch;
}

.hero-tagline {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(158, 197, 203, 0.95);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(1.65rem, 3.4vw, 2.55rem);
  max-width: 18ch;
  margin-bottom: 1.25rem;
}

.hero-sub {
  max-width: 48ch;
  color: var(--text-muted);
  font-size: 0.98rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.75rem 1.25rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition:
    transform 0.3s var(--ease),
    background 0.3s var(--ease),
    border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: #f4fbfc;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-bright);
  box-shadow: 0 10px 28px rgba(47, 111, 122, 0.22);
}

.btn-secondary {
  border-color: rgba(215, 226, 234, 0.4);
  color: var(--text);
  background: rgba(7, 19, 31, 0.25);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: rgba(215, 226, 234, 0.75);
  background: rgba(7, 19, 31, 0.4);
}

.section-shell {
  width: min(1100px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: clamp(4.5rem, 10vh, 7rem) 0;
}

.eyebrow {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.value h2,
.domains h2,
.procurement h2,
.collaborate h2 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  max-width: 16ch;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.section-lead {
  max-width: 62ch;
  color: var(--text-dark-muted);
  margin-bottom: 2.75rem;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
}

.value-grid p {
  color: var(--text-dark-muted);
  font-size: 1.02rem;
}

.domains {
  background:
    linear-gradient(180deg, transparent, rgba(28, 61, 85, 0.04) 20%, rgba(28, 61, 85, 0.06)),
    var(--mist);
}

.pillar-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.pillar {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1.25rem;
  padding: 2rem 0;
  border-top: 1px solid rgba(19, 36, 51, 0.12);
  transition: background 0.35s var(--ease);
}

.pillar:hover {
  background: rgba(61, 138, 150, 0.035);
}

.pillar:last-child {
  border-bottom: 1px solid rgba(19, 36, 51, 0.12);
}

.pillar-index {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent);
  line-height: 1;
  padding-top: 0.2rem;
}

.pillar h3 {
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  margin-bottom: 0.55rem;
}

.pillar-fragment {
  font-weight: 400;
  color: var(--steel);
  margin-bottom: 0.85rem;
}

.pillar-body p:last-child {
  color: var(--text-dark-muted);
  max-width: 68ch;
}

.procurement {
  background:
    linear-gradient(160deg, var(--ink) 0%, var(--ink-soft) 48%, #163148 100%);
  color: var(--text);
}

.procurement h2 {
  color: var(--text);
}

.procurement .section-lead,
.procurement dd {
  color: var(--text-muted);
}

.procurement .eyebrow {
  color: #9ec5cb;
}

.compliance-list {
  margin: 0;
  display: grid;
  gap: 1.5rem;
}

.compliance-item {
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--line);
}

.compliance-item dt {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 0.55rem;
}

.compliance-item dd {
  margin: 0;
  max-width: 70ch;
}

.collaborate {
  background:
    radial-gradient(700px 320px at 20% 0%, rgba(61, 138, 150, 0.16), transparent 60%),
    var(--paper);
}

.collaborate-shell {
  display: grid;
  gap: 1.25rem;
  justify-items: start;
}

.collaborate p {
  max-width: 58ch;
  color: var(--text-dark-muted);
  font-size: 1.05rem;
}

.site-footer {
  background: var(--ink);
  color: var(--text-muted);
  padding: 2.75rem clamp(1.25rem, 4vw, 3.5rem);
}

.footer-shell {
  width: min(1100px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 2rem;
  align-items: start;
}

.footer-brand {
  font-family: var(--font-display);
  color: var(--text);
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
}

.footer-meta a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: rgba(158, 197, 203, 0.45);
  text-underline-offset: 0.2em;
  transition: text-decoration-color 0.2s var(--ease);
}

.footer-meta a:hover,
.footer-meta a:focus-visible {
  text-decoration-color: #9ec5cb;
}

.footer-mission {
  font-size: 0.92rem;
  max-width: 54ch;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
  will-change: opacity, transform;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
  will-change: auto;
}

@keyframes hero-drift {
  from {
    transform: scale(1.08) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.14) translate3d(-1.5%, -1%, 0);
  }
}

@media (max-width: 820px) {
  .site-nav a:not(.nav-cta) {
    display: none;
  }

  .value-grid,
  .footer-shell {
    grid-template-columns: 1fr;
  }

  .pillar {
    grid-template-columns: 3rem 1fr;
  }

  .hero-brand {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-image {
    animation: none;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}