/* ==========================================================================
   Siratchain | Premium Website Stylesheet v3.0
   Dark-mode-first · Glassmorphism · Animations · Green + Gold palette
   ========================================================================== */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@600;700;800;900&display=swap');

:root {
  /* Greens: from the whitepaper cover and headings */
  --green-950: #041a14;
  --green-900: #072a20;
  --green-800: #0b3d2e;
  --green-700: #145a41;
  --green-600: #1e7a5a;
  --green-500: #2e8b62;
  --green-400: #4aad7e;
  --green-300: #6fbf97;
  --green-200: #a3dabb;

  /* Gold: rules, section labels, accents */
  --gold-700: #7a5f1a;
  --gold-600: #8c6d1f;
  --gold-500: #c9a227;
  --gold-400: #d4b54a;
  --gold-300: #e6c766;
  --gold-200: #f0db93;

  /* Text */
  --ink: #e8f0ec;
  --ink-soft: #b0c4b8;
  --muted: #7a9a8b;

  /* Surfaces: dark mode */
  --surface: #060e0b;
  --surface-1: #0c1a14;
  --surface-2: #111f18;
  --surface-3: #16261e;
  --surface-card: rgba(14, 32, 24, 0.6);
  --line: rgba(111, 191, 151, 0.12);
  --line-strong: rgba(111, 191, 151, 0.22);

  /* Glass */
  --glass: rgba(14, 40, 28, 0.45);
  --glass-border: rgba(111, 191, 151, 0.15);
  --glass-light: rgba(201, 162, 39, 0.06);

  /* Cream: callouts */
  --cream: rgba(251, 246, 228, 0.06);
  --cream-border: rgba(201, 162, 39, 0.25);

  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --wrap: 1200px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);
  --shadow: 0 8px 32px rgba(0, 0, 0, .3);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, .4);
  --shadow-glow: 0 0 40px rgba(201, 162, 39, .15);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--green-300); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--gold-400); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--ink);
  font-weight: 700;
  line-height: 1.18;
  margin: 0;
  letter-spacing: -.02em;
}

h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

.lede { font-size: 1.125rem; color: var(--ink-soft); max-width: 65ch; line-height: 1.8; }

/* Gold numbered section label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin: 0 0 .75rem;
  padding: 6px 14px;
  background: rgba(201, 162, 39, 0.08);
  border: 1px solid rgba(201, 162, 39, 0.2);
  border-radius: 999px;
}

/* Gold hairline under section headings */
.rule {
  height: 2px;
  background: linear-gradient(90deg, var(--gold-500), transparent);
  opacity: .6;
  margin: 1.1rem 0 2rem;
  max-width: 120px;
}

.section { padding: 100px 0; position: relative; }
.section--dark {
  background: var(--surface-1);
  border-block: 1px solid var(--line);
}
.section--tint {
  background: linear-gradient(180deg, var(--surface-1) 0%, var(--surface) 100%);
  border-block: 1px solid var(--line);
}

/* ---------- Animated Background Particles ---------- */
.particles {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--gold-500);
  border-radius: 50%;
  opacity: 0;
  animation: float-particle 8s ease-in-out infinite;
}
@keyframes float-particle {
  0%, 100% { opacity: 0; transform: translateY(0) scale(1); }
  50% { opacity: .4; transform: translateY(-100px) scale(1.5); }
}

/* ---------- Header ---------- */

.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background .3s ease, backdrop-filter .3s ease, border-color .3s ease;
  border-bottom: 1px solid transparent;
}
.header.scrolled {
  background: rgba(6, 14, 11, .85);
  backdrop-filter: blur(20px) saturate(1.4);
  border-bottom-color: var(--line);
}

.header__bar {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 80px;
}

.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand img { width: 42px; height: 42px; filter: drop-shadow(0 0 8px rgba(201, 162, 39, .3)); }
.brand__name {
  font-size: .8125rem;
  font-weight: 800;
  letter-spacing: .22em;
  color: #fff;
  text-transform: uppercase;
}

.nav { display: flex; gap: 6px; }
.nav a {
  font-size: .8125rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 8px 14px;
  border-radius: 8px;
  transition: all .2s ease;
  position: relative;
}
.nav a:hover { color: #fff; background: rgba(201, 162, 39, .1); }
.nav a.active { color: var(--gold-400); }

.burger {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  width: 44px; height: 40px;
  cursor: pointer;
  color: #fff;
  font-size: 1.2rem;
  transition: background .2s ease;
}
.burger:hover { background: rgba(201, 162, 39, .1); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-family: var(--sans);
  font-size: .875rem;
  font-weight: 600;
  padding: .8rem 1.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .25s ease;
  letter-spacing: .02em;
  position: relative;
  overflow: hidden;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--gold {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-400));
  color: #1a1400;
  box-shadow: 0 4px 20px rgba(201, 162, 39, .35), inset 0 1px 0 rgba(255, 255, 255, .2);
}
.btn--gold:hover {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-300));
  color: #1a1400;
  box-shadow: 0 8px 30px rgba(201, 162, 39, .45);
}

.btn--ghost {
  border-color: rgba(201, 162, 39, .4);
  color: var(--gold-300);
  background: rgba(201, 162, 39, .06);
  backdrop-filter: blur(4px);
}
.btn--ghost:hover {
  border-color: var(--gold-400);
  color: var(--gold-300);
  background: rgba(201, 162, 39, .12);
}

.btn--green {
  background: linear-gradient(135deg, var(--green-700), var(--green-600));
  color: #fff;
  border-color: var(--green-500);
}
.btn--green:hover {
  background: linear-gradient(135deg, var(--green-600), var(--green-500));
  color: #fff;
}

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

.hero {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--green-900);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: .35;
  animation: hero-zoom 30s ease-in-out infinite alternate;
}
@keyframes hero-zoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.08); }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 30% 50%, rgba(11, 61, 46, .9) 0%, transparent 70%),
    linear-gradient(180deg, rgba(4, 26, 20, .8) 0%, rgba(7, 42, 32, .6) 50%, rgba(4, 26, 20, .95) 100%);
}

/* Animated grid pattern */
.hero__grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 162, 39, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 162, 39, .05) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: grid-move 20s linear infinite;
}
@keyframes grid-move {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

.hero > .wrap { position: relative; z-index: 2; }

.hero__content {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 60px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-400);
  padding: 8px 18px;
  border: 1px solid rgba(201, 162, 39, .3);
  background: rgba(201, 162, 39, .08);
  border-radius: 999px;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
}
.hero__badge::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold-500);
  animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(201, 162, 39, .5); }
  50% { opacity: .7; box-shadow: 0 0 0 6px rgba(201, 162, 39, 0); }
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  color: #fff;
  margin-bottom: 1.2rem;
  font-weight: 800;
  line-height: 1.08;
}
.hero h1 .accent {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, .7);
  max-width: 50ch;
  margin-bottom: 2rem;
  line-height: 1.75;
}

.pills { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 2.4rem; }
.pill {
  font-size: .75rem;
  font-weight: 600;
  color: var(--gold-300);
  border: 1px solid rgba(201, 162, 39, .3);
  border-radius: 999px;
  padding: .45rem 1rem;
  white-space: nowrap;
  background: rgba(201, 162, 39, .06);
  backdrop-filter: blur(4px);
  transition: all .25s ease;
}
.pill:hover {
  border-color: var(--gold-400);
  background: rgba(201, 162, 39, .12);
  transform: translateY(-1px);
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__note {
  margin-top: 2rem;
  font-size: .8125rem;
  color: rgba(255, 255, 255, .4);
}

/* Hero spec card: glassmorphism */
.spec {
  background: rgba(14, 40, 28, .4);
  border: 1px solid rgba(111, 191, 151, .15);
  border-radius: var(--radius);
  padding: 30px 32px;
  backdrop-filter: blur(20px) saturate(1.2);
  box-shadow: var(--shadow), 0 0 60px rgba(201, 162, 39, .08);
  position: relative;
  overflow: hidden;
}
.spec::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-300), transparent);
}
.spec h3 {
  font-family: var(--sans);
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin-bottom: 1.2rem;
}
.spec__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  padding: .7rem 0;
  border-top: 1px solid rgba(111, 191, 151, .1);
  font-size: .9375rem;
}
.spec__row:first-of-type { border-top: 0; }
.spec__row dt { color: var(--muted); }
.spec__row dd { margin: 0; font-weight: 600; color: #fff; text-align: right; }

/* ---------- Stats counter strip ---------- */

.stats {
  position: relative;
  background: linear-gradient(180deg, var(--green-900), var(--surface));
  border-top: 2px solid var(--gold-500);
  z-index: 2;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
}
.stat {
  padding: 36px 24px;
  text-align: center;
  position: relative;
}
.stat::after {
  content: "";
  position: absolute;
  right: 0; top: 20%; bottom: 20%;
  width: 1px;
  background: var(--line);
}
.stat:last-child::after { display: none; }

.stat__n {
  font-family: var(--serif);
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.stat__l { font-size: .8125rem; color: var(--muted); margin-top: .4rem; }

/* ---------- Glass Cards ---------- */

.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 28px 26px 30px;
  backdrop-filter: blur(12px);
  transition: all .35s ease;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-500), transparent);
  opacity: 0;
  transition: opacity .35s ease;
}
.card:hover {
  border-color: rgba(201, 162, 39, .3);
  transform: translateY(-4px);
  box-shadow: var(--shadow), var(--shadow-glow);
}
.card:hover::before { opacity: 1; }

.card__icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: grid;
  place-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  background: rgba(201, 162, 39, .1);
  border: 1px solid rgba(201, 162, 39, .2);
  color: var(--gold-400);
}

.card h3 {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: .5rem;
}
.card p { font-size: .9rem; color: var(--ink-soft); line-height: 1.7; }

.card--highlight {
  background: linear-gradient(135deg, rgba(201, 162, 39, .08), rgba(14, 40, 28, .5));
  border-color: rgba(201, 162, 39, .25);
}

.card--green {
  background: linear-gradient(135deg, var(--green-800), var(--green-900));
  border-color: rgba(111, 191, 151, .2);
}
.card--green h3 { color: #fff; }
.card--green p { color: var(--ink-soft); }

/* ---------- Section image backgrounds ---------- */
.section--image {
  position: relative;
  overflow: hidden;
}
.section__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .12;
}
.section__bg--overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--surface) 0%, transparent 20%, transparent 80%, var(--surface) 100%);
}
.section--image > .wrap { position: relative; z-index: 2; }

/* ---------- Callout ---------- */

.callout {
  background: rgba(14, 40, 28, .5);
  border-left: 3px solid var(--green-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 20px 24px;
  font-size: .9375rem;
  color: var(--ink-soft);
  backdrop-filter: blur(8px);
}
.callout strong { color: var(--green-300); }
.callout--gold {
  background: rgba(201, 162, 39, .06);
  border-left-color: var(--gold-500);
}
.callout--gold strong { color: var(--gold-400); }

/* ---------- Tables ---------- */

.tbl-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9375rem;
  background: var(--surface-card);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
caption {
  caption-side: bottom;
  text-align: left;
  font-size: .78rem;
  color: var(--muted);
  padding-top: .85rem;
  line-height: 1.6;
}

.t-spec th {
  width: 36%;
  text-align: left;
  font-weight: 700;
  color: var(--gold-400);
  background: rgba(201, 162, 39, .06);
  padding: .85rem 1.1rem;
  border: 1px solid var(--line);
  vertical-align: top;
}
.t-spec td {
  padding: .85rem 1.1rem;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  vertical-align: top;
}

.t-data thead th {
  background: var(--green-800);
  color: #fff;
  font-weight: 600;
  font-size: .875rem;
  text-align: left;
  padding: .85rem 1.1rem;
  border: 1px solid var(--line);
  white-space: nowrap;
}
.t-data thead th.is-us {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  color: #1a1400;
}
.t-data tbody td {
  padding: .85rem 1.1rem;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  vertical-align: top;
}
.t-data tbody th {
  text-align: left;
  font-weight: 600;
  color: var(--ink);
  padding: .85rem 1.1rem;
  border: 1px solid var(--line);
  background: rgba(14, 40, 28, .3);
  vertical-align: top;
}
.t-data tbody td.is-us {
  background: rgba(201, 162, 39, .08);
  font-weight: 600;
  color: var(--gold-300);
}
.t-data tbody tr:nth-child(even) td { background: rgba(14, 40, 28, .2); }
.t-data tbody tr:nth-child(even) td.is-us { background: rgba(201, 162, 39, .06); }

.num { font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ---------- Tokenomics ---------- */

.tok {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 50px;
  align-items: start;
}
.tok > * { min-width: 0; }

.donut {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  width: 100%;
  min-width: 0;
}
.donut__ring {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  position: relative;
  background: conic-gradient(
    var(--gold-500)   0deg  72deg,
    var(--gold-300)  72deg 144deg,
    var(--green-700) 144deg 216deg,
    var(--green-600) 216deg 288deg,
    var(--green-400) 288deg 324deg,
    var(--green-300) 324deg 360deg
  );
  box-shadow: var(--shadow), 0 0 40px rgba(201, 162, 39, .15);
  animation: donut-spin 60s linear infinite;
}
@keyframes donut-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.donut__ring::after {
  content: "";
  position: absolute;
  inset: 28%;
  background: var(--surface);
  border-radius: 50%;
}
.donut__mid {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  z-index: 2;
  animation: donut-spin 60s linear infinite reverse;
}
.donut__mid b {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--gold-400);
  display: block;
  line-height: 1.1;
}
.donut__mid span {
  font-size: .6875rem;
  color: var(--muted);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.legend { display: grid; gap: .55rem; width: 100%; }
.legend li { display: flex; align-items: center; gap: .65rem; font-size: .8125rem; color: var(--ink-soft); }
.legend i { width: 12px; height: 12px; border-radius: 3px; flex: none; }

ul.clean { list-style: none; margin: 0; padding: 0; }

/* ---------- Bullet list with gold dots ---------- */

.bullets { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; }
.bullets li { position: relative; padding-left: 1.4rem; color: var(--ink-soft); }
.bullets li::before {
  content: "";
  position: absolute;
  left: 0; top: .66em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold-500);
  box-shadow: 0 0 6px rgba(201, 162, 39, .4);
}
.bullets strong { color: var(--green-300); }

/* ---------- Roadmap ---------- */

.phases { display: grid; gap: 20px; }
.phase {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 28px;
  background: var(--surface-card);
  border: 1px solid var(--glass-border);
  border-left: 3px solid var(--gold-500);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 26px 28px;
  backdrop-filter: blur(8px);
  transition: all .35s ease;
}
.phase:hover {
  border-color: rgba(201, 162, 39, .3);
  transform: translateX(4px);
  box-shadow: var(--shadow-glow);
}

.phase__n {
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold-500);
}
.phase__t {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: #fff;
  font-weight: 700;
}
.phase p { font-size: .875rem; color: var(--muted); margin-bottom: .8rem; }

/* ---------- Team ---------- */

.person { text-align: center; }
.avatar {
  width: 84px; height: 84px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  display: grid;
  place-content: center;
  background: linear-gradient(135deg, var(--green-800), var(--green-700));
  color: var(--gold-400);
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 700;
  border: 2px solid rgba(201, 162, 39, .4);
  box-shadow: 0 0 20px rgba(201, 162, 39, .15);
  transition: all .35s ease;
}
.person:hover .avatar {
  border-color: var(--gold-400);
  box-shadow: 0 0 30px rgba(201, 162, 39, .3);
  transform: scale(1.05);
}
.person h3 { font-family: var(--serif); font-size: 1.0625rem; color: #fff; margin-bottom: .2rem; }
.person__role {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin-bottom: .6rem;
}
.person p { font-size: .8125rem; color: var(--muted); }

/* ---------- FAQ ---------- */

.faq { display: grid; gap: 14px; max-width: 800px; }
details.qa {
  background: var(--surface-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0 24px;
  backdrop-filter: blur(8px);
  transition: all .25s ease;
}
details.qa[open] {
  border-color: rgba(201, 162, 39, .3);
  box-shadow: var(--shadow-sm);
}
details.qa summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 38px 18px 0;
  font-weight: 600;
  color: #fff;
  position: relative;
  transition: color .2s ease;
}
details.qa summary:hover { color: var(--gold-400); }
details.qa summary::-webkit-details-marker { display: none; }
details.qa summary::after {
  content: "+";
  position: absolute;
  right: 2px; top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--gold-500);
  line-height: 1;
  transition: transform .25s ease;
}
details.qa[open] summary::after { content: "\00d7"; }
details.qa .qa__a {
  padding: 0 0 20px;
  font-size: .9375rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding-top: 16px;
  line-height: 1.75;
}

/* ---------- CTA Band ---------- */

.band {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--green-800) 0%, var(--green-900) 100%);
  color: #fff;
  padding: 80px 0;
  text-align: center;
  border-top: 2px solid var(--gold-500);
}
.band__bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: .15;
}
.band__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 61, 46, .92), rgba(4, 26, 20, .95));
}
.band > .wrap { position: relative; z-index: 2; }
.band h2 { color: #fff; margin-bottom: .9rem; }
.band p { color: rgba(255, 255, 255, .6); max-width: 58ch; margin: 0 auto 2rem; }
.band__cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

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

.footer {
  background: var(--green-950);
  color: var(--muted);
  padding: 60px 0 34px;
  font-size: .875rem;
  border-top: 1px solid var(--line);
}
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer h4 {
  font-family: var(--sans);
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin-bottom: 1rem;
}
.footer a { color: var(--ink-soft); }
.footer a:hover { color: var(--gold-400); }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.footer__brand { display: flex; align-items: center; gap: 12px; margin-bottom: 1.1rem; }
.footer__brand img { width: 42px; height: 42px; }
.footer__brand span {
  font-weight: 800;
  letter-spacing: .18em;
  color: #fff;
  font-size: .8125rem;
  text-transform: uppercase;
}
.footer__legal {
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: .78rem;
  color: rgba(122, 154, 139, .7);
  line-height: 1.75;
}

/* ---------- Scroll reveal animation classes ---------- */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* Shimmer line animation */
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Number counter animation */
@keyframes count-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* Glow pulse for key elements */
@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(201, 162, 39, .1); }
  50% { box-shadow: 0 0 40px rgba(201, 162, 39, .25); }
}

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

@media (max-width: 1000px) {
  .hero__content { grid-template-columns: 1fr; gap: 44px; }
  .tok { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .donut { align-items: flex-start; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .nav {
    display: none;
    position: fixed;
    top: 80px; left: 0; right: 0; bottom: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(6, 14, 11, .96);
    backdrop-filter: blur(20px);
    padding: 16px 24px 32px;
    overflow-y: auto;
    z-index: 90;
  }
  .nav.is-open { display: flex; }
  .nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: .9375rem;
    border-radius: 0;
  }
  .burger { display: block; }
  .header__bar { position: relative; }

  .section { padding: 64px 0; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .phase { grid-template-columns: 1fr; gap: 12px; }
  .t-spec th { width: auto; }
  .hero { min-height: auto; padding: 120px 0 80px; }
  .hero h1 { font-size: clamp(2rem, 8vw, 3.2rem); }
  .hero__cta .btn, .band__cta .btn { flex: 1 1 auto; }
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .stat { padding: 24px 16px; }
  .stat__n { font-size: 1.8rem; }
  .stat::after { display: none; }
  .footer__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover { transform: none; }
  .card:hover { transform: none; }
  .phase:hover { transform: none; }
  .hero__bg { animation: none; }
  .donut__ring { animation: none; }
  .donut__mid { animation: none; }
  .hero__grid-pattern { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}