:root {
  --bg: #fffdf7;
  --panel: #ffffff;
  --panel-border: #ecdfc0;
  --navy: #12224e;
  --blue: #2f5fe0;
  --blue-deep: #1c3fa8;
  --gold: #f0a91e;
  --gold-deep: #c97a0a;
  --teal: #0ea89a;
  --teal-deep: #0a7d73;
  --text: #14204a;
  --text-dim: #55618a;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Hero ---------- */

.hero {
  padding: 64px 0 24px;
  text-align: center;
  position: relative;
}

.tree-glow {
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: min(680px, 100vw);
  height: 560px;
  background:
    radial-gradient(ellipse 260px 300px at 22% 42%, rgba(47, 95, 224, .32) 0%, transparent 70%),
    radial-gradient(ellipse 260px 300px at 78% 30%, rgba(240, 169, 30, .4) 0%, transparent 70%),
    radial-gradient(ellipse 320px 280px at 50% 75%, rgba(14, 168, 154, .24) 0%, transparent 70%);
  filter: blur(32px);
  pointer-events: none;
  z-index: 0;
}

.signature {
  width: 96px;
  height: 5px;
  margin: 22px auto 0;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--blue), var(--gold), var(--teal));
  opacity: 0;
  animation: fadeUp .6s ease-out 1.95s forwards;
}

.tree-wrap {
  width: min(340px, 60vw);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.tree-img {
  display: block;
  width: 100%;
  height: auto;
  clip-path: inset(100% 0 0 0);
  filter: drop-shadow(0 8px 22px rgba(18, 34, 78, .18));
  animation: grow 1.6s cubic-bezier(.2, .8, .3, 1) forwards;
}

@keyframes grow {
  to { clip-path: inset(0 0 0 0); }
}

.eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin: 8px 0 0;
  opacity: 0;
  animation: fadeUp .6s ease-out 1.5s forwards;
}

h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2rem, 4.6vw, 3.1rem);
  line-height: 1.15;
  margin: 10px 0 14px;
  opacity: 0;
  animation: fadeUp .7s ease-out 1.65s forwards;
}

.lede {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 34ch;
  margin: 0 auto;
  opacity: 0;
  animation: fadeUp .7s ease-out 1.8s forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Branch cards ---------- */

.branches {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 40px 0 72px;
  opacity: 0;
  animation: fadeUp .7s ease-out 2s forwards;
}

.card {
  display: block;
  position: relative;
  padding: 32px 24px 26px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-top: 6px solid var(--accent, var(--gold));
  border-radius: 6px;
  text-decoration: none;
  color: var(--text);
  box-shadow: 0 2px 6px rgba(18, 34, 78, .05);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 6px;
  background: linear-gradient(160deg, color-mix(in srgb, var(--accent, var(--gold)) 12%, transparent), transparent 60%);
  pointer-events: none;
}

.card-ai { --accent: var(--blue); }
.card-recipes { --accent: var(--gold); }
.card-tamil { --accent: var(--teal); }

.card:hover,
.card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px color-mix(in srgb, var(--accent, var(--gold)) 24%, rgba(18, 34, 78, .1));
}

.card:focus-visible {
  outline: 2px solid var(--accent, var(--gold));
  outline-offset: 3px;
}

.card-eyebrow {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent, var(--text-dim));
  font-weight: 600;
}

.card h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-style: italic;
  font-size: 1.8rem;
  margin: 10px 0 8px;
  color: var(--text);
}

.card p {
  color: var(--text-dim);
  font-size: .93rem;
  line-height: 1.5;
  margin: 0 0 20px;
}

.card-link {
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--accent, var(--text));
  font-weight: 500;
}

.arrow {
  display: inline-block;
  transition: transform .2s ease;
}

.card:hover .arrow,
.card:focus-visible .arrow {
  transform: translateX(4px);
}

/* ---------- Footer ---------- */

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0 40px;
  border-top: 1px solid var(--panel-border);
  color: var(--text-dim);
  font-size: .82rem;
}

.admin-link {
  color: var(--text-dim);
  opacity: .4;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin: -10px;
  border-radius: 6px;
  transition: opacity .2s ease, color .2s ease;
}

.admin-link:hover,
.admin-link:focus-visible {
  opacity: 1;
  color: var(--gold-deep);
  outline: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  .branches {
    grid-template-columns: 1fr;
  }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  .tree-img,
  .eyebrow,
  h1,
  .lede,
  .branches {
    animation: none !important;
    opacity: 1 !important;
    clip-path: none !important;
    transform: none !important;
  }
  html { scroll-behavior: auto; }
}