:root {
  color-scheme: dark;
  --ink: #e7f3f7;
  --muted: #9fb6bf;
  --accent: #5395c8;
  --accent-dark: #122838;
  --sand: #122838;
  --foam: #0a1520;
  --panel: #122838;
  --shadow: 0 18px 40px rgba(3, 14, 18, 0.55);
  --bg-start: #1b3a52;
  --bg-mid: #122838;
  --bg-end: #0a1520;
  --hero-start: #1b3a52;
  --hero-glow: rgba(27, 58, 82, 0.35);
  --pill-bg: rgba(18, 40, 56, 0.75);
  --pill-border: rgba(27, 58, 82, 0.5);
  --meta-bg: rgba(27, 58, 82, 0.2);
  --meta-border: rgba(27, 58, 82, 0.5);
  --banner-bg: #122838;
}

body[data-theme="light"] {
  color-scheme: light;
  --ink: #0b2e3e;
  --muted: #4f6a75;
  --accent: #0e5d7b;
  --accent-dark: #0a4c64;
  --sand: #e8f1f4;
  --foam: #f4f8fa;
  --panel: #ffffff;
  --shadow: 0 18px 40px rgba(11, 46, 62, 0.12);
  --bg-start: #f6fbfd;
  --bg-mid: #eef5f8;
  --bg-end: #e7f0f4;
  --hero-start: #e3f0f5;
  --hero-glow: rgba(14, 93, 123, 0.18);
  --pill-bg: rgba(14, 93, 123, 0.08);
  --pill-border: rgba(14, 93, 123, 0.25);
  --meta-bg: rgba(14, 93, 123, 0.12);
  --meta-border: rgba(14, 93, 123, 0.28);
  --banner-bg: #e6f0f4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top, var(--bg-start) 0%, var(--bg-mid) 55%, var(--bg-end) 100%);
  min-height: 100vh;
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 72px 24px 40px;
}

.hero {
  background: linear-gradient(120deg, var(--hero-start) 0%, var(--sand) 55%, var(--foam) 100%);
  padding: 56px;
  border-radius: 28px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: -40% -20% auto auto;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, var(--hero-glow), transparent 70%);
  border-radius: 50%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.logo {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  border: 2px solid var(--pill-border);
  box-shadow: 0 10px 24px rgba(3, 14, 18, 0.3);
}

.eyebrow {
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  margin: 0 0 16px;
  max-width: 720px;
}

.lead {
  font-size: 1.1rem;
  max-width: 620px;
  color: var(--muted);
  margin: 0 0 32px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, background 0.2s ease;
}

.cta:hover {
  transform: translateY(-2px);
  background: var(--accent-dark);
}

.cta.ghost {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.card-link::after {
  content: "→";
  transition: transform 0.2s ease;
}

.card-link:hover::after {
  transform: translateX(4px);
}

.section {
  margin: 72px 0 0;
}

h2 {
  margin: 0 0 24px;
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
}

.cards {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--panel);
  padding: 24px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  min-height: 180px;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.card .meta-list {
  margin-top: 12px;
}

.link-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.pill-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.pill-link:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.banner {
  margin-top: 64px;
  padding: 28px 32px;
  border-radius: 18px;
  background: var(--banner-bg);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.card-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card-button:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.project-hero {
  display: grid;
  gap: 18px;
  margin-bottom: 32px;
}

.project-hero h1 {
  margin-bottom: 0;
}

.meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.meta-pill {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--meta-bg);
  border: 1px solid var(--meta-border);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
}

.banner p {
  margin: 6px 0 0;
  color: var(--muted);
}

.page-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 20px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  color: var(--ink);
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 720px) {
  .hero {
    padding: 40px 28px;
  }

  .banner {
    align-items: flex-start;
  }

  .page {
    padding: 56px 18px 32px;
  }

  .cta-row,
  .card-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cta,
  .card-button,
  .pill-link {
    width: 100%;
    justify-content: center;
  }

  .link-grid {
    flex-direction: column;
  }

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

  .theme-toggle {
    width: 100%;
  }

  .hero::after {
    width: 200px;
    height: 200px;
    inset: -35% -30% auto auto;
  }


@media (max-width: 520px) {
  .hero {
    padding: 32px 20px;
    border-radius: 22px;
  }

  .logo {
    width: 48px;
    height: 48px;
  }

  .section {
    margin: 56px 0 0;
  }

  .card {
    padding: 20px;
  }

  .banner {
    padding: 22px;
  }
}
  .footer {
    flex-direction: column;
    gap: 8px;
  }

  .cards {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}