:root {
  --forest: #0b3d2e;
  --forest-deep: #07261d;
  --forest-mid: #155c45;
  --mint: #c8f0d4;
  --mint-soft: #e7f7ec;
  --gold: #c4a035;
  --gold-deep: #9a7a1c;
  --cream: #f4efe3;
  --cream-2: #faf7f0;
  --paper: #fffdf8;
  --ink: #1c2b24;
  --ink-soft: #4a5c53;
  --line: #ddd4c3;
  --danger: #8b3a2a;
  --ok: #1f7a4d;
  --shadow: 0 18px 50px rgba(7, 38, 29, 0.12);
  --radius: 18px;
  --nav-h: 72px;
  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.55;
  font-size: 17px;
}

img { max-width: 100%; display: block; }
a { color: var(--forest-mid); }
a:hover { color: var(--forest); }

.wrap { width: min(1120px, calc(100% - 36px)); margin: 0 auto; }
.wide { width: min(1240px, calc(100% - 28px)); margin: 0 auto; }

/* NAV */
.topbar {
  position: sticky; top: 0; z-index: 40;
  height: var(--nav-h);
  background: rgba(244, 239, 227, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--forest);
  flex-shrink: 0;
}
.brand-mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--forest);
  display: grid; place-items: center;
  color: var(--mint);
}
.brand strong { display: block; font-size: 14px; letter-spacing: .04em; }
.brand small { display: block; font-size: 10px; letter-spacing: .16em; color: var(--ink-soft); text-transform: uppercase; }
.nav-links { display: flex; gap: 4px; flex-wrap: wrap; }
.nav-links a {
  text-decoration: none; color: var(--ink-soft);
  font-size: 14px; padding: 8px 10px; border-radius: 999px;
}
.nav-links a:hover, .nav-links a.active {
  background: #fff; color: var(--forest); font-weight: 600;
}
.nav-cta { display: flex; gap: 8px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; cursor: pointer; text-decoration: none;
  border-radius: 999px; padding: 11px 18px; font-weight: 650;
  font-family: inherit; font-size: 15px;
}
.btn-solid { background: var(--forest); color: #fff; }
.btn-solid:hover { background: var(--forest-deep); color: #fff; }
.btn-mint { background: var(--mint); color: var(--forest-deep); }
.btn-mint:hover { background: #d8f6e2; color: var(--forest-deep); }
.btn-ghost {
  background: transparent; color: var(--forest);
  border: 1px solid #c9d8cf;
}
.btn-gold { background: var(--gold); color: #1c1606; }
.btn-sm { padding: 8px 13px; font-size: 13.5px; }

/* HERO */
.hero {
  background:
    radial-gradient(900px 420px at 80% -10%, rgba(200,240,212,.18), transparent 50%),
    linear-gradient(180deg, var(--forest-deep) 0%, var(--forest) 62%, #0e4a38 100%);
  color: #eef7f1;
  padding: 72px 0 56px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -2px; height: 90px;
  background: radial-gradient(120% 90px at 50% 100%, var(--cream) 0 55%, transparent 56%);
}
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(200,240,212,.28);
  background: rgba(255,255,255,.06);
  color: var(--mint);
  border-radius: 999px; padding: 6px 12px;
  font-size: 13px; letter-spacing: .02em;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(36px, 6vw, 68px);
  line-height: 1.02;
  margin: 18px 0 12px;
  letter-spacing: -0.03em;
}
.hero h1 em { color: var(--mint); font-style: italic; }
.hero p.lead { font-size: 19px; max-width: 640px; color: #d5e8dc; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 18px; }
.checks { display: flex; flex-wrap: wrap; gap: 14px; color: #cfe4d7; font-size: 14px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: end; }
.panel {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 22px;
  padding: 20px;
  backdrop-filter: blur(8px);
}
.panel h3 { margin: 0 0 8px; font-size: 15px; color: var(--mint); letter-spacing: .08em; text-transform: uppercase; }
.panel label { display: block; font-size: 13px; color: #c9ddd2; margin: 10px 0 4px; }
.panel input, .panel select, .panel textarea, .field input, .field select, .field textarea {
  width: 100%; padding: 10px 12px; border-radius: 12px;
  border: 1px solid #d7cebc; background: #fff; color: var(--ink);
  font: inherit;
}
.panel input, .panel select { background: rgba(255,255,255,.92); }

/* SECTIONS */
section { padding: 64px 0; }
.section-head { max-width: 720px; margin-bottom: 28px; }
.eyebrow {
  color: var(--gold-deep); letter-spacing: .14em; text-transform: uppercase;
  font-size: 12px; font-weight: 700; margin-bottom: 8px;
}
h2 {
  font-family: var(--serif); font-weight: 520;
  font-size: clamp(28px, 4vw, 42px); letter-spacing: -.02em;
  margin: 0 0 10px; color: var(--forest-deep);
}
.ta { text-align: center; margin-left: auto; margin-right: auto; }
.muted { color: var(--ink-soft); }

.cards { display: grid; gap: 16px; }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 1px 0 rgba(255,255,255,.7) inset;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.step-no {
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--mint-soft); color: var(--forest);
  display: grid; place-items: center; font-weight: 800; margin-bottom: 12px;
}
.card h3 { margin: 0 0 8px; font-size: 20px; color: var(--forest-deep); }
.card p { margin: 0 0 12px; color: var(--ink-soft); }
.card a.more { font-weight: 700; text-decoration: none; }

.pill-row { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 11px; font-size: 13px; color: var(--ink-soft);
}
.pill.on { background: var(--forest); color: #fff; border-color: var(--forest); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.note {
  background: #fff8e8; border: 1px solid #ead8a6; border-radius: 16px; padding: 16px 18px;
}
.warn {
  background: #f8ece8; border: 1px solid #e3c4bb; border-radius: 16px; padding: 16px 18px;
}
.okbox {
  background: #eaf6ee; border: 1px solid #c5e0cf; border-radius: 16px; padding: 16px 18px;
}

table.data {
  width: 100%; border-collapse: collapse; background: var(--paper);
  border-radius: 16px; overflow: hidden; border: 1px solid var(--line);
}
table.data th, table.data td {
  text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.data th { background: var(--forest); color: #fff; font-weight: 650; font-size: 14px; }
table.data tr:last-child td { border-bottom: 0; }

.checklist label {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 10px 0; border-bottom: 1px dashed var(--line);
}
.checklist input { margin-top: 5px; accent-color: var(--forest); }

.progress-wrap { background: #e3ddd0; border-radius: 99px; height: 10px; overflow: hidden; }
.progress-bar { height: 100%; width: 0; background: linear-gradient(90deg, var(--forest-mid), var(--gold)); }

footer {
  background: var(--forest-deep); color: #d5e6dc; padding: 42px 0 28px;
}
footer a { color: var(--mint); text-decoration: none; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 24px; }
.foot-brand { font-family: var(--serif); font-size: 22px; color: #fff; }
.copy { margin-top: 28px; font-size: 13px; color: #9fb6aa; }

.tamil { font-size: .95em; color: var(--ink-soft); }
.hero .tamil { color: #cfe6d8; }

.toolbar {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  align-items: center; margin-bottom: 18px;
}
.species-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.species {
  background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 16px;
}
.species h3 { margin: 0 0 4px; font-size: 18px; }
.latin { font-style: italic; color: var(--ink-soft); font-size: 13px; }
.tag { display: inline-block; font-size: 11px; letter-spacing: .04em; text-transform: uppercase;
  background: var(--mint-soft); color: var(--forest); border-radius: 999px; padding: 3px 8px; margin: 2px 4px 2px 0; }

.page-hero {
  padding: 46px 0 18px;
}
.crumb { font-size: 13px; color: var(--ink-soft); margin-bottom: 10px; }
.crumb a { color: var(--forest-mid); text-decoration: none; }

.role { display: flex; gap: 14px; }
.role .icon {
  width: 48px; height: 48px; border-radius: 14px; background: var(--mint-soft);
  display: grid; place-items: center; flex-shrink: 0; font-size: 22px;
}

@media (max-width: 980px) {
  .hero-grid, .cards-4, .cards-3, .split, .foot-grid, .species-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 680px) {
  .hero-grid, .cards-4, .cards-3, .cards-2, .split, .foot-grid, .species-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 42px; }
  section { padding: 44px 0; }
}

@media print {
  .topbar, footer, .hero-actions, .nav-cta, .no-print, .btn { display: none !important; }
  body { background: #fff; font-size: 12pt; }
  .card, .panel, table.data { break-inside: avoid; box-shadow: none; }
  a { color: #000; text-decoration: none; }
}