/* ============================================================
   GREEN GOLD CARBON INTELLIGENCE LTD (GGCIL)
   Shared stylesheet
   ============================================================ */

:root {
  --green-900: #0c2e17;
  --green-800: #11421f;
  --green-700: #185c2c;
  --green-600: #1f7a3a;
  --green-400: #4ca361;
  --gold-600:  #b8860b;
  --gold-500:  #d4a017;
  --gold-400:  #f4c430;
  --cream:     #f6f4ec;
  --paper:     #fbfaf5;
  --ink:       #1c2620;
  --muted:     #5d6b61;
  --line:      rgba(24, 92, 44, 0.14);
  --shadow:    0 18px 45px -20px rgba(12, 46, 23, 0.45);
  --shadow-sm: 0 8px 24px -12px rgba(12, 46, 23, 0.35);
  --radius:    18px;
  --maxw:      1180px;
  --display: "Fraunces", Georgia, serif;
  --body: "Inter", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(244,196,48,0.08), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(31,122,58,0.07), transparent 55%),
    var(--cream);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { width: min(100% - 40px, var(--maxw)); margin-inline: auto; }

/* ---------- Typography ---------- */
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.08; letter-spacing: -0.01em; }
.eyebrow {
  font-family: var(--body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-600);
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
header.site {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(246, 244, 236, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 44px; height: 44px; filter: drop-shadow(0 4px 8px rgba(12,46,23,0.25)); }
.brand .word { font-family: var(--display); font-weight: 600; font-size: 1.4rem; color: var(--green-800); letter-spacing: 0.02em; }
.brand .word small { display: block; font-family: var(--body); font-size: 0.6rem; font-weight: 600; letter-spacing: 0.18em; color: var(--gold-600); text-transform: uppercase; }

.menu { display: flex; align-items: center; gap: 6px; }
.menu a {
  padding: 9px 14px; border-radius: 999px; font-size: 0.92rem; font-weight: 500; color: var(--ink);
  transition: background 0.2s, color 0.2s;
}
.menu a:hover { background: rgba(31,122,58,0.10); color: var(--green-700); }
.menu a.active { color: var(--green-700); }

.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  font-weight: 600; font-size: 0.95rem; border: none; cursor: pointer;
  padding: 11px 22px; border-radius: 999px; transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.btn-green { background: linear-gradient(135deg, var(--green-700), var(--green-600)); color: #fff; box-shadow: 0 10px 24px -12px rgba(24,92,44,0.8); }
.btn-green:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -12px rgba(24,92,44,0.9); }
.btn-gold { background: linear-gradient(135deg, var(--gold-500), var(--gold-400)); color: var(--green-900); box-shadow: 0 10px 24px -12px rgba(212,160,23,0.8); }
.btn-gold:hover { transform: translateY(-2px); }
.btn-ghost { background: #fff; color: var(--green-800); border: 1px solid var(--line); }
.btn-ghost:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }

.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--green-800); margin: 5px 0; transition: 0.3s; }

/* ============================================================
   HERO (3D)
   ============================================================ */
.hero {
  position: relative; min-height: 92vh; display: flex; align-items: center;
  overflow: hidden;
  background-color: #2f4636;
  background-image:
    linear-gradient(95deg, #243a2c 0%, rgba(36,58,44,0.75) 30%, rgba(36,58,44,0.15) 48%, rgba(36,58,44,0) 60%),
    url("../assets/hero.jpg");
  background-size: auto, cover;
  background-position: center, right center;
  background-repeat: no-repeat, no-repeat;
}
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(100deg, rgba(18,38,24,0.42) 0%, rgba(18,38,24,0.18) 40%, rgba(18,38,24,0) 65%);
}
.hero .wrap { position: relative; z-index: 2; }
.hero-copy { max-width: 620px; color: #fff; padding: 60px 0; text-shadow: 0 2px 18px rgba(10,24,14,0.45); }
.hero-copy h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); color: #fff; }
.hero-copy h1 .g { color: var(--gold-400); }
.hero-copy h1 .a { color: #9cc265; }
.hero-rule { width: 120px; height: 3px; background: linear-gradient(90deg, var(--gold-400), transparent); margin: 22px 0; border-radius: 2px; }
.hero-copy p.lead { font-size: 1.15rem; color: rgba(255,255,255,0.88); max-width: 480px; }
.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }

/* live ticker */
.ticker {
  margin-top: -42px; position: relative; z-index: 5;
}
.ticker-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px 24px;
  display: flex; align-items: center; gap: 26px; flex-wrap: wrap; justify-content: space-between;
}
.ticker-card .label { font-weight: 600; color: var(--green-800); font-size: 0.95rem; }
.ticker-card .value { font-family: var(--display); font-size: 1.6rem; color: var(--green-700); }
.ticker-card .value b { color: var(--gold-600); }
.spark { flex: 1; min-width: 200px; height: 46px; }
.ticker-card .upd { font-size: 0.8rem; color: var(--muted); }
.live-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--green-600); margin-right: 6px; animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.25; } }

/* ============================================================
   SECTIONS
   ============================================================ */
section.block { padding: 80px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 50px; }
.section-head h2 { font-size: clamp(2rem, 4vw, 3rem); color: var(--green-900); }
.section-head p { color: var(--muted); font-size: 1.1rem; margin-top: 12px; }

/* page hero (inner pages) */
.page-hero { padding: 70px 0 30px; text-align: center; }
.page-hero .icon-badge {
  width: 64px; height: 64px; border-radius: 18px; margin: 0 auto 18px;
  display: grid; place-items: center; font-size: 1.8rem;
  background: linear-gradient(135deg, var(--gold-500), var(--gold-400));
  box-shadow: var(--shadow-sm);
}
.page-hero h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); color: var(--green-900); }
.page-hero .tagline { font-size: 1.2rem; color: var(--green-700); font-weight: 500; margin-top: 14px; }
.page-hero .sub { color: var(--muted); max-width: 640px; margin: 14px auto 0; }

/* standards strip */
.standards {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px 34px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 26px; box-shadow: var(--shadow-sm); margin: 30px auto; max-width: 900px;
}
.standards .std { font-weight: 600; color: var(--green-800); display: flex; align-items: center; gap: 8px; font-size: 0.98rem; }
.standards .std .b { color: var(--gold-600); }
.standards .sep { width: 1px; height: 22px; background: var(--line); }

/* feature grid / 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(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow-sm); position: relative;
  transition: transform 0.3s cubic-bezier(.2,.8,.2,1), box-shadow 0.3s;
  transform-style: preserve-3d;
}
.card:hover { transform: translateY(-6px) rotateX(2deg); box-shadow: var(--shadow); }
.card .num {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  font-family: var(--display); font-weight: 600; color: #fff; font-size: 1rem; margin-bottom: 14px;
  background: linear-gradient(135deg, var(--green-700), var(--green-600));
}
.card.gold .num { background: linear-gradient(135deg, var(--gold-600), var(--gold-400)); color: var(--green-900); }
.card h3 { font-size: 1.25rem; color: var(--green-900); margin-bottom: 6px; }
.card h3 small { font-family: var(--body); font-weight: 500; font-size: 0.82rem; color: var(--muted); }
.card p.k { color: var(--green-700); font-weight: 600; font-size: 0.92rem; margin-bottom: 8px; }
.card ul { list-style: none; }
.card ul li { padding: 5px 0 5px 22px; position: relative; color: var(--ink); font-size: 0.96rem; }
.card ul li::before { content: "›"; position: absolute; left: 4px; color: var(--gold-600); font-weight: 700; }

/* mock dashboard tile inside cards */
.mock {
  margin-top: 16px; border-radius: 12px; overflow: hidden; border: 1px solid var(--line);
  background: #fff;
}
.mock-top { display: flex; align-items: center; gap: 6px; padding: 8px 10px; background: var(--green-800); }
.mock-top .dot { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,0.4); }
.mock-top .ml { margin-left: auto; color: rgba(255,255,255,0.8); font-size: 0.7rem; font-weight: 600; }
.mock-body { padding: 14px; }
.mock-figure { font-family: var(--display); font-size: 1.7rem; color: var(--green-700); }
.mock-figure span { font-size: 0.8rem; color: var(--muted); font-family: var(--body); }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 60px; margin-top: 10px; }
.bars i { flex: 1; border-radius: 4px 4px 0 0; background: linear-gradient(var(--green-600), var(--green-400)); animation: grow 1s ease both; }
.bars i:nth-child(even) { background: linear-gradient(var(--gold-500), var(--gold-400)); }
@keyframes grow { from { height: 0; } }

/* dashboard preview big */
.dash-preview {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line);
  background: #fff; transform: perspective(1200px) rotateY(-6deg) rotateX(3deg); transition: transform 0.4s;
}
.dash-preview:hover { transform: perspective(1200px) rotateY(0) rotateX(0); }
.dash-row { display: grid; grid-template-columns: 70px 1fr; }
.dash-side { background: linear-gradient(var(--green-800), var(--green-900)); padding: 16px 0; display: flex; flex-direction: column; gap: 16px; align-items: center; }
.dash-side .s { width: 22px; height: 4px; border-radius: 3px; background: rgba(255,255,255,0.35); }
.dash-side .s.on { background: var(--gold-400); width: 28px; }
.dash-main { padding: 22px; }
.dash-main .big { font-family: var(--display); font-size: 2.4rem; color: var(--green-700); }
.dash-main .big span { font-size: 1rem; color: var(--muted); font-family: var(--body); }

/* split rows */
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; align-items: center; }
.split.rev { direction: rtl; } .split.rev > * { direction: ltr; }
.split h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); color: var(--green-900); margin-bottom: 14px; }
.checklist { list-style: none; margin-top: 14px; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; padding: 8px 0; font-size: 1.02rem; }
.checklist li::before { content: "✓"; color: #fff; background: var(--green-600); width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 0.75rem; flex: 0 0 22px; margin-top: 3px; }

/* CTA banner */
.cta-banner { text-align: center; padding: 56px 0; }
.cta-banner .bar {
  background: linear-gradient(120deg, var(--green-800), var(--green-700));
  border-radius: var(--radius); padding: 40px; color: #fff; box-shadow: var(--shadow);
  position: relative; overflow: hidden;
}
.cta-banner .bar::before {
  content: ""; position: absolute; right: -60px; top: -60px; width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(244,196,48,0.35), transparent 70%);
}
.cta-banner h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); color: #fff; margin-bottom: 10px; }
.cta-banner p { color: rgba(255,255,255,0.85); margin-bottom: 22px; }

/* core logic box */
.logic {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm); display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between;
}
.logic .eq {
  font-family: var(--display); font-size: clamp(1.2rem, 2.6vw, 1.8rem); color: var(--green-900);
  background: linear-gradient(120deg, rgba(244,196,48,0.16), rgba(31,122,58,0.10));
  padding: 14px 22px; border-radius: 14px; border: 1px solid var(--line);
}
.logic .eq b { color: var(--gold-600); }
.logic .eq .res { color: var(--green-700); }

/* about pillars */
.pillar { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); }
.pillar .ic { font-size: 1.6rem; }
.pillar h3 { margin: 8px 0 10px; color: var(--green-900); font-size: 1.15rem; }

/* steps timeline (how it works) */
.steps { display: grid; gap: 26px; }
.step { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-sm); }
.step.rev { grid-template-columns: 1fr 1fr; }
.step.rev .step-text { order: 2; }
.step .step-num { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.step .step-num b { width: 34px; height: 34px; border-radius: 50%; background: var(--green-700); color: #fff; display: grid; place-items: center; font-family: var(--display); }
.step.gold .step-num b { background: var(--gold-500); color: var(--green-900); }
.step h3 { font-size: 1.5rem; color: var(--green-900); }
.step p { color: var(--muted); margin-top: 6px; }

/* ============================================================
   FOOTER
   ============================================================ */
footer.site { background: linear-gradient(var(--green-900), #081f10); color: rgba(255,255,255,0.8); padding: 56px 0 26px; margin-top: 40px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }
footer .brand .word { color: #fff; }
footer h4 { color: #fff; font-family: var(--body); font-size: 0.85rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 14px; }
footer a { display: block; padding: 5px 0; color: rgba(255,255,255,0.72); font-size: 0.94rem; }
footer a:hover { color: var(--gold-400); }
.foot-about { font-size: 0.92rem; color: rgba(255,255,255,0.6); margin-top: 14px; max-width: 280px; }
.foot-bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: 36px; padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 0.84rem; color: rgba(255,255,255,0.55); }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 940px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .split, .step, .step.rev { grid-template-columns: 1fr; }
  .step.rev .step-text { order: 0; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .menu { position: fixed; inset: 64px 0 auto 0; background: var(--paper); flex-direction: column; align-items: stretch; padding: 14px; gap: 4px; border-bottom: 1px solid var(--line); transform: translateY(-130%); transition: transform 0.3s; box-shadow: var(--shadow); }
  .menu.open { transform: none; }
  .menu a { padding: 12px 14px; }
  .hamburger { display: block; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .logic { flex-direction: column; align-items: flex-start; }
  .brand .word { font-size: 1.15rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}