:root {
  color-scheme: light;
  --bg: #eef2f4;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --text: #18303a;
  --muted: #5f717b;
  --border: rgba(24, 48, 58, 0.12);
  --accent: #175a6d;
  --accent-strong: #0f4453;
  --accent-soft: rgba(23, 90, 109, 0.12);
  --shadow: 0 20px 50px rgba(16, 33, 39, 0.1);
  --card-shadow: 0 14px 30px rgba(16, 33, 39, 0.08);
  --focus: #0d6efd;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1518;
  --surface: rgba(19, 28, 33, 0.88);
  --surface-strong: #172229;
  --text: #e6f0f2;
  --muted: #98aab3;
  --border: rgba(230, 240, 242, 0.12);
  --accent: #7ec6d7;
  --accent-strong: #b8e3ec;
  --accent-soft: rgba(126, 198, 215, 0.14);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  --card-shadow: 0 18px 36px rgba(0, 0, 0, 0.28);
  --focus: #9ad5e5;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(23, 90, 109, 0.14), transparent 26%),
    radial-gradient(circle at top right, rgba(115, 140, 150, 0.14), transparent 24%),
    linear-gradient(180deg, var(--bg), var(--bg));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 90%);
  opacity: 0.4;
}

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

a:hover {
  color: var(--accent-strong);
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 16px;
  z-index: 20;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
}

.skip-link:focus {
  top: 16px;
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 36px;
  position: relative;
  z-index: 1;
}

.site-header,
.site-main,
.site-footer {
  backdrop-filter: blur(16px);
}

.site-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.brand-block {
  display: grid;
  gap: 6px;
}

.brand-mark {
  width: 88px;
  height: 88px;
  object-fit: contain;
  display: block;
  margin-bottom: 2px;
  filter: drop-shadow(0 10px 16px rgba(0, 0, 0, 0.16));
}

.brand-copy {
  display: grid;
  gap: 6px;
}

.eyebrow {
  margin: 0;
  font-size: 0.84rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.site-header h1,
.page-title {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.header-actions {
  display: flex;
  justify-content: flex-end;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--text);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
  cursor: pointer;
  font: inherit;
}

.theme-toggle:hover {
  transform: translateY(-1px);
}

.theme-toggle:focus-visible,
.site-nav a:focus-visible,
.footer-nav a:focus-visible,
.card-link:focus-visible,
.button-link:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.site-nav {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 4px;
}

.site-nav a,
.footer-nav a {
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-strong) 70%, transparent);
  font-size: 0.95rem;
}

.site-nav a[aria-current="page"] {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  color: var(--accent-strong);
  font-weight: 700;
}

.site-main {
  margin-top: 18px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.page-grid {
  display: grid;
  gap: 24px;
}

.hero {
  display: grid;
  gap: 14px;
  padding: 20px;
  border-radius: 24px;
  background:
    linear-gradient(145deg, var(--accent-soft), transparent 60%),
    linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 85%, transparent), transparent);
  border: 1px solid var(--border);
}

.hero p {
  margin: 0;
  max-width: 72ch;
  color: var(--muted);
  line-height: 1.65;
}

.mission-panel {
  display: grid;
  gap: 16px;
  padding: 20px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background:
    linear-gradient(160deg, color-mix(in srgb, var(--accent-soft) 70%, transparent), transparent 58%),
    linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 84%, transparent), transparent);
  box-shadow: var(--card-shadow);
}

.mission-copy {
  margin: 0;
  max-width: 78ch;
  color: var(--muted);
  line-height: 1.7;
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.mission-grid article {
  display: grid;
  gap: 8px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-strong) 78%, transparent);
}

.mission-grid h3 {
  margin: 0;
  font-size: 1.02rem;
}

.mission-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: end;
  margin: 0;
}

.section-heading h2,
.section-heading h3,
.placeholder-title {
  margin: 0;
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  letter-spacing: -0.02em;
}

.section-heading p,
.status-text {
  margin: 0;
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 88%, transparent), transparent);
  box-shadow: var(--card-shadow);
}

.card h3,
.placeholder-card h2 {
  margin: 0;
  font-size: 1.12rem;
}

.card p,
.placeholder-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: fit-content;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 700;
}

.placeholder-page,
.coming-soon-page {
  display: grid;
  place-items: center;
  min-height: 48vh;
}

.placeholder-card {
  width: min(760px, 100%);
  display: grid;
  gap: 14px;
  padding: 24px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 88%, transparent), transparent);
  box-shadow: var(--card-shadow);
}

.placeholder-list {
  display: grid;
  gap: 10px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-strong) 72%, transparent);
}

.placeholder-list h3 {
  margin: 0;
  font-size: 1rem;
}

.placeholder-list ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.6;
}

.status-pill {
  display: inline-flex;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border));
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-footer {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.muted-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.stack {
  display: grid;
  gap: 12px;
}

@media (max-width: 980px) {
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mission-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 20px, 100%);
    padding: 10px 0 20px;
  }

  .site-header,
  .site-main,
  .site-footer {
    border-radius: 22px;
  }

  .site-header {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .brand-mark {
    width: 74px;
    height: 74px;
  }

  .header-actions {
    justify-content: flex-start;
  }

  .site-main {
    padding: 18px;
  }

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

  .section-heading {
    align-items: start;
    flex-direction: column;
  }
}