/* ============================================================
   GeoMetals.ai × Iridis — Pearlescent Showcase
   Theme: pearlescent white, soft iridescence, glass, easy-to-read
   ============================================================ */

:root {
  /* Pearlescent white palette */
  --pearl:        #fbfcff;
  --pearl-2:      #f2f4fb;
  --pearl-3:      #e9ecf7;
  --ink:          #1b2436;
  --ink-soft:     #46506a;
  --ink-faint:    #8a93ab;
  --line:         rgba(27, 36, 54, 0.10);

  /* Iridescent accents (used sparingly, as glints) */
  --iris-a:       #8ab6ff;  /* sky */
  --iris-b:       #c9a8ff;  /* lilac */
  --iris-c:       #9ef0e0;  /* mint */
  --iris-d:       #ffc8e0;  /* rose */
  --iris-e:       #ffe7a8;  /* gold */

  /* Mineral-true accents (grounded in the data) */
  --copper:       #c47a45;
  --gold:         #d8a93a;
  --malachite:    #1aa46a;
  --uranium:      #3fb950;
  --iron:         #9a3b3b;

  --grade-lo:     #6aa9ff;
  --grade-mid:    #9be36b;
  --grade-hi:     #ffcf5a;
  --grade-core:   #ff7ab0;

  --radius:       18px;
  --radius-sm:    12px;
  --shadow-soft:  0 10px 40px -18px rgba(40, 60, 110, 0.35);
  --shadow-lift:  0 24px 70px -28px rgba(40, 60, 110, 0.45);
  --maxw:         1180px;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--pearl);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Pearlescent moving backdrop */
.aurora {
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(60% 50% at 15% 10%, rgba(138,182,255,0.20), transparent 60%),
    radial-gradient(55% 45% at 85% 15%, rgba(201,168,255,0.18), transparent 60%),
    radial-gradient(60% 55% at 75% 85%, rgba(158,240,224,0.16), transparent 60%),
    radial-gradient(50% 45% at 20% 90%, rgba(255,200,224,0.16), transparent 60%),
    var(--pearl);
  background-size: 200% 200%, 200% 200%, 200% 200%, 200% 200%, 100% 100%;
  animation: drift 26s ease-in-out infinite alternate;
}
@keyframes drift {
  0%   { background-position: 0% 0%, 100% 0%, 100% 100%, 0% 100%, 0 0; }
  100% { background-position: 30% 20%, 70% 30%, 60% 70%, 30% 80%, 0 0; }
}
#bgCanvas { position: fixed; inset: 0; z-index: -1; opacity: 0.55; }

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { padding: 96px 0; position: relative; }
.eyebrow {
  font: 600 12px/1 var(--mono);
  letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 16px;
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content:''; width: 26px; height: 1px; background: var(--ink-faint); display:inline-block;}
h2.title { font-size: clamp(28px, 4vw, 46px); line-height: 1.08; letter-spacing: -0.02em; font-weight: 800; }
.lede { font-size: clamp(16px, 1.6vw, 19px); color: var(--ink-soft); max-width: 680px; margin-top: 18px; }

/* Iridescent text */
.iris-text {
  background: linear-gradient(100deg, var(--iris-a), var(--iris-b), var(--iris-c), var(--iris-e), var(--iris-a));
  background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  animation: irisShift 8s linear infinite;
}
@keyframes irisShift { to { background-position: 300% 0; } }

/* ---------- Glass cards ---------- */
.glass {
  background: linear-gradient(160deg, rgba(255,255,255,0.85), rgba(255,255,255,0.55));
  border: 1px solid rgba(255,255,255,0.8);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255,255,255,0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius);
}
.glass-edge { position: relative; }
.glass-edge::after {
  content:''; position:absolute; inset:0; border-radius: inherit; padding:1px;
  background: linear-gradient(130deg, var(--iris-a), var(--iris-b), var(--iris-c), var(--iris-d));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0.5; pointer-events: none;
}

/* ---------- Top nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  background: linear-gradient(180deg, rgba(251,252,255,0.9), rgba(251,252,255,0.4));
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav .brand { font-weight: 800; letter-spacing: -0.02em; display:flex; align-items:center; gap:10px; }
.nav .brand .dot { width: 12px; height: 12px; border-radius: 50%;
  background: conic-gradient(from 0deg, var(--iris-a), var(--iris-b), var(--iris-c), var(--iris-e), var(--iris-a));
  box-shadow: 0 0 14px rgba(150,170,255,0.7); animation: spin 6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.nav .links { display: flex; gap: 6px; align-items: center; }
.nav .links a { font-size: 13px; color: var(--ink-soft); text-decoration: none; padding: 8px 12px; border-radius: 9px; transition: .2s; }
.nav .links a:hover { background: var(--pearl-3); color: var(--ink); }

.btn {
  font: 600 14px var(--font); cursor: pointer; border: none;
  padding: 11px 20px; border-radius: 11px; text-decoration: none;
  display: inline-flex; align-items: center; gap: 9px; transition: .22s;
  position: relative; overflow: hidden;
}
.btn-primary {
  color: #16223e;
  background: linear-gradient(120deg, var(--iris-a), var(--iris-b) 40%, var(--iris-d) 75%, var(--iris-e));
  background-size: 220% 100%; box-shadow: 0 10px 30px -10px rgba(140,160,255,0.7);
}
.btn-primary:hover { background-position: 100% 0; transform: translateY(-2px); }
.btn-ghost { color: var(--ink); background: rgba(255,255,255,0.7); border: 1px solid var(--line); }
.btn-ghost:hover { background: #fff; transform: translateY(-2px); box-shadow: var(--shadow-soft); }

/* ---------- Hero ---------- */
.hero { min-height: 100vh; display: flex; align-items: center; padding-top: 70px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; width: 100%; }
.hero h1 { font-size: clamp(36px, 6vw, 72px); line-height: 1.02; letter-spacing: -0.035em; font-weight: 850; }
.hero .sub { font-size: clamp(16px, 1.8vw, 21px); color: var(--ink-soft); margin: 22px 0 30px; max-width: 560px; }
.pill-row { display:flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.pill {
  font: 600 12px var(--mono); letter-spacing: 0.04em;
  padding: 7px 13px; border-radius: 999px; background: rgba(255,255,255,0.75);
  border: 1px solid var(--line); color: var(--ink-soft);
  display:inline-flex; align-items:center; gap:7px;
}
.pill .led { width:7px; height:7px; border-radius:50%; background: var(--malachite); box-shadow:0 0 8px var(--malachite); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.cta-row { display:flex; gap: 12px; flex-wrap: wrap; }

.hero-visual { position: relative; aspect-ratio: 1/1; border-radius: 24px; overflow: hidden; }
.hero-visual canvas { width:100%; height:100%; display:block; }
.hv-label {
  position:absolute; bottom: 14px; left: 14px; right: 14px;
  font: 500 12px var(--mono); color: var(--ink-soft);
  background: rgba(255,255,255,0.7); border:1px solid var(--line);
  border-radius: 10px; padding: 9px 12px; backdrop-filter: blur(8px);
  display:flex; justify-content: space-between;
}

/* ---------- Stat strip ---------- */
.stats { display:grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-top: 54px; }
.stat { padding: 22px; border-radius: var(--radius); text-align: left; }
.stat .num { font-size: clamp(28px, 4vw, 44px); font-weight: 850; letter-spacing: -0.03em; line-height: 1; }
.stat .lbl { font: 600 11px var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); margin-top: 10px; }

/* ---------- "Which means" post-it ---------- */
.wm {
  position: relative; cursor: help;
  border-bottom: 2px dotted var(--iris-b);
}
.wm .note {
  position: absolute; left: 50%; bottom: calc(100% + 14px); transform: translateX(-50%) rotate(-1.5deg) scale(.92);
  width: 250px; padding: 14px 15px 13px; z-index: 40;
  background: linear-gradient(170deg, #fff7d6, #ffeeb0);
  color: #5a4a12; font-size: 13px; line-height: 1.5; font-weight: 500;
  border-radius: 4px; box-shadow: 0 16px 34px -12px rgba(120,100,20,0.5), 0 2px 0 rgba(255,255,255,0.6) inset;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
  text-align: left;
}
.wm .note::before {
  content: 'WHICH MEANS'; display:block;
  font: 700 9px var(--mono); letter-spacing: 0.18em; color: #b89318; margin-bottom: 6px;
}
.wm .note::after {
  content:''; position:absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 8px solid transparent; border-top-color: #ffeeb0;
}
.wm:hover .note, .wm:focus .note { opacity: 1; transform: translateX(-50%) rotate(-1.5deg) scale(1); }
.wm .tape {
  position:absolute; top:-7px; left:50%; transform:translateX(-50%) rotate(-3deg);
  width: 54px; height: 16px; background: rgba(255,255,255,0.55);
  border-left:1px dashed rgba(0,0,0,.06); border-right:1px dashed rgba(0,0,0,.06);
}

/* ---------- Racing line pipeline ---------- */
.pipe { position: relative; margin-top: 40px; }
.pipe-track { display:flex; flex-wrap:wrap; gap: 10px; align-items: stretch; justify-content: center; }
.node {
  position: relative; padding: 14px 16px; border-radius: 14px; min-width: 104px;
  background: linear-gradient(160deg, #ffffff, #eef1fa);
  border: 1px solid var(--line); text-align: center; cursor: help;
  transition: .25s; box-shadow: var(--shadow-soft);
}
.node:hover { transform: translateY(-5px); box-shadow: var(--shadow-lift); border-color: var(--iris-b); }
.node .k { font: 800 14px var(--font); letter-spacing: -0.01em; }
.node .t { font: 600 9.5px var(--mono); letter-spacing: 0.08em; color: var(--ink-faint); margin-top: 5px; text-transform: uppercase; }
.node .idx { position:absolute; top:-9px; left:-9px; width:22px; height:22px; border-radius:50%;
  background: var(--ink); color:#fff; font:700 11px var(--mono); display:grid; place-items:center; }

/* ---------- Process explainer (engineering, simple) ---------- */
.proc { display:grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items:center; }
.proc-canvas { aspect-ratio: 4/3; border-radius: var(--radius); overflow:hidden; }
.proc-canvas canvas { width:100%; height:100%; display:block; }
.proc-steps { display:flex; flex-direction:column; gap: 12px; }
.proc-step { padding: 16px 18px; border-radius: var(--radius-sm); cursor:pointer; transition:.2s; border:1px solid var(--line); background: rgba(255,255,255,0.6); }
.proc-step.active { background:#fff; box-shadow: var(--shadow-soft); border-color: var(--iris-a); }
.proc-step h4 { font-size: 16px; display:flex; align-items:center; gap:10px; }
.proc-step .s-num { width:26px; height:26px; border-radius:8px; display:grid; place-items:center; font:700 12px var(--mono); background: var(--pearl-3); color: var(--ink-soft); }
.proc-step.active .s-num { background: linear-gradient(135deg,var(--iris-a),var(--iris-b)); color:#16223e; }
.proc-step p { font-size: 14px; color: var(--ink-soft); margin-top: 8px; max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.proc-step.active p { max-height: 120px; }

/* ---------- Genius grid ---------- */
.genius-grid { display:grid; grid-template-columns: repeat(auto-fill, minmax(250px,1fr)); gap: 14px; margin-top: 36px; }
.g-card { padding: 18px; border-radius: var(--radius-sm); position: relative; overflow:hidden; transition:.25s; }
.g-card:hover { transform: translateY(-4px) scale(1.01); }
.g-card .g-num { font: 800 13px var(--mono); color: var(--iris-b); }
.g-card h4 { font-size: 15px; margin: 7px 0; }
.g-card p { font-size: 12.5px; color: var(--ink-soft); }
.g-card .shine { position:absolute; inset:0; background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.6) 50%, transparent 70%); transform: translateX(-120%); transition:.6s; }
.g-card:hover .shine { transform: translateX(120%); }

/* ---------- BOM table ---------- */
.bom-wrap { margin-top: 30px; border-radius: var(--radius); overflow:hidden; }
.bom-controls { display:flex; flex-wrap:wrap; gap:10px; margin-bottom:18px; align-items:center; }
.chip { font:600 12px var(--mono); padding:7px 13px; border-radius:999px; border:1px solid var(--line); background:rgba(255,255,255,.7); cursor:pointer; transition:.18s; color:var(--ink-soft); }
.chip.active { background: var(--ink); color:#fff; border-color: var(--ink); }
table.bom { width:100%; border-collapse: collapse; font-size: 13.5px; }
table.bom th { text-align:left; font:700 10.5px var(--mono); letter-spacing:.12em; text-transform:uppercase; color:var(--ink-faint); padding: 12px 14px; border-bottom: 1px solid var(--line); }
table.bom td { padding: 12px 14px; border-bottom: 1px solid var(--line); }
table.bom tr { transition: .15s; cursor: pointer; }
table.bom tbody tr:hover { background: rgba(138,182,255,0.08); }
table.bom tr.sel { background: rgba(201,168,255,0.14); }
.cat-tag { font:700 10px var(--mono); padding:3px 8px; border-radius:6px; background: var(--pearl-3); color: var(--ink-soft); text-transform:uppercase; letter-spacing:.06em; }
.price { font-variant-numeric: tabular-nums; font-weight:700; }
.bom-total { display:flex; justify-content:space-between; align-items:center; padding: 20px 22px; margin-top:4px; }
.bom-total .big { font-size: clamp(26px,4vw,40px); font-weight:850; letter-spacing:-0.02em; }

/* ---------- Deep plan timeline ---------- */
.timeline { margin-top: 40px; position: relative; }
.phase { display:grid; grid-template-columns: 140px 1fr; gap: 22px; padding: 8px 0; }
.phase .when { text-align:right; }
.phase .when .wk { font:800 18px var(--font); }
.phase .when .dt { font:600 10px var(--mono); color:var(--ink-faint); letter-spacing:.1em; }
.phase .body { border-left: 2px solid var(--line); padding: 0 0 28px 26px; position:relative; }
.phase .body::before { content:''; position:absolute; left:-8px; top:4px; width:14px; height:14px; border-radius:50%;
  background: linear-gradient(135deg,var(--iris-a),var(--iris-b)); box-shadow:0 0 0 4px rgba(138,182,255,.18); }
.phase h4 { font-size: 18px; }
.phase ul { margin: 10px 0 0; padding-left: 18px; }
.phase li { font-size: 13.5px; color: var(--ink-soft); margin: 5px 0; }
.phase:last-child .body { border-left-color: transparent; }

/* ---------- Q&A ---------- */
.qa-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 34px; }
.qa { padding: 22px; border-radius: var(--radius); }
.qa .q { font:700 15px var(--font); display:flex; gap:10px; align-items:flex-start; }
.qa .q .qm { color: var(--iris-b); font:800 18px var(--mono); }
.qa .a { font-size: 14px; color: var(--ink-soft); margin-top: 12px; padding-top:12px; border-top:1px dashed var(--line); }

/* ---------- Hero target card ---------- */
.target-card { padding: 26px; border-radius: var(--radius); }
.target-card .badge { display:inline-block; font:700 10px var(--mono); letter-spacing:.12em; padding:5px 11px; border-radius:999px;
  background: linear-gradient(120deg,var(--gold),var(--copper)); color:#2a1a06; text-transform:uppercase; }
.target-stats { display:grid; grid-template-columns: repeat(3,1fr); gap:14px; margin-top:18px; }
.target-stats div .v { font-size:22px; font-weight:800; }
.target-stats div .l { font:600 10px var(--mono); color:var(--ink-faint); text-transform:uppercase; letter-spacing:.08em; }

/* ---------- Footer ---------- */
footer { padding: 60px 0 50px; border-top: 1px solid var(--line); margin-top: 40px; }
.foot-grid { display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; align-items:flex-end; }
footer .big { font-size: clamp(24px,3.5vw,40px); font-weight:850; letter-spacing:-0.02em; max-width:560px; }
.muted { color: var(--ink-faint); font-size: 13px; }

/* ---------- Demo mode overlay ---------- */
.demo-overlay { position: fixed; inset: 0; z-index: 90; pointer-events:none; display:none; }
.demo-overlay.on { display:block; }
.demo-scrim { position:absolute; inset:0; background: rgba(18,24,40,0.55); backdrop-filter: blur(2px); transition:.3s; pointer-events:auto; }
.demo-spot { position:absolute; border-radius: 16px; box-shadow: 0 0 0 9999px rgba(18,24,40,0.55); transition: all .5s cubic-bezier(.4,0,.2,1); border: 2px solid rgba(255,255,255,0.85); pointer-events:none; }
.demo-card {
  position: fixed; z-index: 92; width: min(420px, 90vw); pointer-events:auto;
  background: #fff; border-radius: 16px; padding: 22px 24px; box-shadow: var(--shadow-lift);
  transition: all .45s cubic-bezier(.4,0,.2,1);
}
.demo-card .step-tag { font:700 10px var(--mono); letter-spacing:.16em; color: var(--iris-b); text-transform:uppercase; }
.demo-card h3 { font-size: 21px; margin: 8px 0 8px; letter-spacing:-0.01em; }
.demo-card p { font-size: 14.5px; color: var(--ink-soft); }
.demo-card .demo-foot { display:flex; justify-content:space-between; align-items:center; margin-top: 18px; }
.demo-dots { display:flex; gap:6px; }
.demo-dots i { width:7px; height:7px; border-radius:50%; background: var(--pearl-3); transition:.2s; }
.demo-dots i.on { background: var(--iris-b); transform: scale(1.3); }
.demo-btns { display:flex; gap:8px; }
.demo-btns button { font:600 13px var(--font); padding:8px 16px; border-radius:9px; border:none; cursor:pointer; }
.demo-skip { background: var(--pearl-3); color: var(--ink-soft); }
.demo-next { background: var(--ink); color:#fff; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.2,.6,.2,1), transform .7s cubic-bezier(.2,.6,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay:.16s; } .reveal.d3 { transition-delay:.24s; }

/* ---------- Section heads ---------- */
.shead { max-width: 720px; margin-bottom: 8px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .proc, .qa-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 440px; margin: 0 auto; width:100%; }
  .stats { grid-template-columns: repeat(2,1fr); }
  .nav .links a:not(.btn) { display:none; }
  .phase { grid-template-columns: 84px 1fr; gap: 12px; }
  section { padding: 64px 0; }
}
@media (max-width: 520px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .target-stats { grid-template-columns: 1fr 1fr; }
}

/* Print / report friendliness */
@media print { .nav, .demo-overlay, #bgCanvas, .aurora { display:none !important; } body { background:#fff; } }