/* ============================================================
   ICE STUPA — design tokens
   ============================================================ */
:root{
  --bg:        #0A1622;
  --bg-panel:  #0F202D;
  --bg-panel-2:#132734;
  --ice:       #EEF6F9;
  --ice-dim:   #B7C9D2;
  --frost:     #6FC6DC;
  --frost-dim: #3E7C8C;
  --amber:     #D9A441;
  --amber-dim: #7A6430;
  --rock:      #9C8468;
  --line:      rgba(238,246,249,0.12);

  --f-display: 'Space Grotesk', sans-serif;
  --f-body:    'Source Serif 4', serif;
  --f-mono:    'IBM Plex Mono', monospace;

  --max: 1180px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ice);
  font-family:var(--f-body);
  line-height:1.6;
  overflow-x:hidden;
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

img,svg{ max-width:100%; display:block; }
a{ color:inherit; }
.wrap{ max-width:var(--max); margin:0 auto; padding:0 24px; }

h1,h2,h3,h4{ font-family:var(--f-display); font-weight:600; letter-spacing:-0.01em; margin:0; }
.eyebrow{
  font-family:var(--f-mono); text-transform:uppercase; letter-spacing:0.14em;
  font-size:0.72rem; color:var(--frost); margin:0 0 14px;
}
.section-title{ font-size:clamp(1.7rem,3.4vw,2.6rem); color:var(--ice); margin-bottom:14px; }
.lede{ font-size:1.05rem; color:var(--ice-dim); max-width:640px; }

/* ============================================================
   NAV
   ============================================================ */
.site-nav{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 24px; backdrop-filter:blur(10px);
  background:rgba(10,22,34,0.72); border-bottom:1px solid var(--line);
}
.site-nav .brand{ font-family:var(--f-display); font-weight:700; font-size:1rem; letter-spacing:0.02em; }
.site-nav .brand span{ color:var(--frost); }
.site-nav a.cta{
  font-family:var(--f-mono); font-size:0.75rem; text-transform:uppercase; letter-spacing:0.08em;
  color:var(--bg); background:var(--amber); padding:9px 16px; border-radius:2px; text-decoration:none;
}

/* ============================================================
   HERO + GROWING CONE
   ============================================================ */
.hero{
  position:relative; min-height:100svh; display:flex; align-items:flex-end;
  padding:120px 0 60px; overflow:hidden;
  background:
    radial-gradient(ellipse at 50% 120%, rgba(111,198,220,0.14), transparent 60%),
    linear-gradient(180deg,#08111C 0%, #0A1622 60%, #0A1622 100%);
}
.hero-cone-stage{
  position:absolute; inset:0; display:flex; align-items:flex-end; justify-content:center;
  pointer-events:none;
}
#coneSvg{ width:min(70vw,560px); height:auto; }
.cone-ring{ transform-origin:center bottom; opacity:0; transform:translateY(14px); transition:opacity .5s ease, transform .5s ease; }
.cone-ring.on{ opacity:1; transform:translateY(0); }

.hero-content{ position:relative; z-index:2; width:100%; }
.hero-content h1{
  font-size:clamp(2.6rem,9vw,6rem); line-height:0.96; color:var(--ice);
  text-shadow:0 2px 40px rgba(0,0,0,0.4);
}
.hero-content .lede{ margin-top:18px; font-size:1.15rem; max-width:520px; color:var(--ice-dim); }

.hero-counter{
  margin-top:36px; display:flex; align-items:baseline; gap:12px; flex-wrap:wrap;
  font-family:var(--f-mono);
}
.hero-counter .num{
  font-size:clamp(1.8rem,4.6vw,3.2rem); color:var(--frost); font-weight:600; letter-spacing:-0.02em;
}
.hero-counter .num-label{ font-size:0.82rem; color:var(--ice-dim); max-width:220px; text-transform:uppercase; letter-spacing:0.06em; }

.scroll-hint{
  position:absolute; bottom:22px; left:50%; transform:translateX(-50%);
  font-family:var(--f-mono); font-size:0.68rem; letter-spacing:0.16em; text-transform:uppercase;
  color:var(--ice-dim); opacity:0.7; z-index:2;
}

/* ============================================================
   GENERIC SECTION
   ============================================================ */
section{ padding:96px 0; position:relative; }
.panel{ background:var(--bg-panel); }

/* ---- About ---- */
.about-grid{ display:grid; grid-template-columns:1.1fr 0.9fr; gap:64px; align-items:start; }
.about-grid p{ color:var(--ice-dim); font-size:1.02rem; margin:0 0 16px; }
.about-figure{
  border:1px solid var(--line); border-radius:4px; padding:26px;
  background:linear-gradient(160deg, var(--bg-panel-2), var(--bg-panel));
}
.about-figure .quote{ font-family:var(--f-body); font-style:italic; color:var(--ice); font-size:1.15rem; border-left:2px solid var(--amber); padding-left:18px; }
.about-figure cite{ display:block; margin-top:14px; font-family:var(--f-mono); font-size:0.72rem; color:var(--ice-dim); font-style:normal; }

@media (max-width:860px){ .about-grid{ grid-template-columns:1fr; gap:32px; } }

/* ---- How it works ---- */
.how-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:4px; overflow:hidden; margin-top:44px; }
.how-step{ background:var(--bg); padding:28px 22px; }
.how-step .step-num{ font-family:var(--f-mono); color:var(--amber); font-size:0.85rem; }
.how-step h4{ font-size:1.05rem; margin:10px 0 8px; color:var(--ice); }
.how-step p{ font-size:0.9rem; color:var(--ice-dim); margin:0; }
@media (max-width:860px){ .how-grid{ grid-template-columns:1fr; } }

/* ============================================================
   MILESTONES — ascending rings, mirrors the cone's own growth
   ============================================================ */
.timeline{ position:relative; margin-top:56px; }
.timeline-spine{
  position:absolute; left:24px; top:0; bottom:0; width:2px;
  background:linear-gradient(180deg, var(--frost-dim), var(--amber-dim));
}
.tl-item{
  position:relative; padding-left:72px; margin-bottom:52px; opacity:0; transform:translateY(18px);
  transition:opacity .6s ease, transform .6s ease;
}
.tl-item.on{ opacity:1; transform:translateY(0); }
.tl-item:last-child{ margin-bottom:0; }
.tl-ring{
  position:absolute; left:0; top:2px; width:50px; height:50px; border-radius:50%;
  border:2px solid var(--frost); background:var(--bg-panel);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--f-mono); font-size:0.66rem; color:var(--frost); text-align:center; line-height:1.1;
}
.tl-item:nth-child(odd) .tl-ring{ border-color:var(--amber); color:var(--amber); }
.tl-item h4{ font-size:1.2rem; color:var(--ice); margin-bottom:6px; }
.tl-item .tl-year{ font-family:var(--f-mono); font-size:0.72rem; color:var(--ice-dim); text-transform:uppercase; letter-spacing:0.08em; display:block; margin-bottom:4px; }
.tl-item p{ color:var(--ice-dim); max-width:620px; margin:0; }

/* ============================================================
   MAP / REACH
   ============================================================ */
.map-wrap{ position:relative; margin-top:48px; border:1px solid var(--line); border-radius:6px; overflow:hidden; background:linear-gradient(180deg,#0C1D29,#0A1622); }
.map-caption{ font-family:var(--f-mono); font-size:0.7rem; color:var(--ice-dim); margin-top:10px; }
#mapSvg{ width:100%; height:auto; display:block; }
.map-pin{ cursor:pointer; }
.map-pin circle{ fill:var(--frost); stroke:var(--bg); stroke-width:2; transition:r .2s ease, fill .2s ease; }
.map-pin:hover circle, .map-pin.active circle{ fill:var(--amber); r:8; }
.map-pin text{ font-family:var(--f-mono); font-size:9px; fill:var(--ice-dim); }
.map-note{
  position:absolute; max-width:220px; background:var(--bg-panel-2); border:1px solid var(--line);
  border-radius:4px; padding:12px 14px; font-size:0.85rem; color:var(--ice); display:none; z-index:5;
  box-shadow:0 12px 30px rgba(0,0,0,0.4);
}
.map-note.show{ display:block; }
.map-note strong{ display:block; font-family:var(--f-mono); font-size:0.68rem; color:var(--amber); text-transform:uppercase; letter-spacing:0.06em; margin-bottom:4px; }

/* ============================================================
   STATS
   ============================================================ */
.stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:4px; overflow:hidden; margin-top:44px; }
.stat{ background:var(--bg-panel); padding:32px 22px; }
.stat .value{ font-family:var(--f-display); font-size:clamp(1.6rem,3vw,2.3rem); color:var(--frost); }
.stat .label{ font-family:var(--f-mono); font-size:0.76rem; color:var(--ice-dim); margin-top:8px; }
@media (max-width:860px){ .stats-grid{ grid-template-columns:1fr 1fr; } }

/* ============================================================
   CTA / FOOTER
   ============================================================ */
.cta-section{ text-align:center; padding:110px 0; }
.cta-section h2{ font-size:clamp(1.8rem,4vw,2.8rem); }
.cta-section .lede{ margin:14px auto 30px; }
.btn{
  display:inline-block; font-family:var(--f-mono); font-size:0.82rem; text-transform:uppercase; letter-spacing:0.08em;
  padding:14px 28px; border-radius:2px; text-decoration:none;
}
.btn.primary{ background:var(--amber); color:var(--bg); }
.btn.ghost{ border:1px solid var(--line); color:var(--ice); margin-left:12px; }

footer{ border-top:1px solid var(--line); padding:32px 0; }
footer .wrap{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; }
footer p{ margin:0; font-family:var(--f-mono); font-size:0.72rem; color:var(--ice-dim); }