/* ============================================================
   DolmeN Foundry — 석기시대
   Design system: limestone paper / basalt charcoal + foundry ember
   ============================================================ */

:root {
  /* Stone surfaces (light) */
  --paper:      oklch(0.967 0.006 82);
  --paper-2:    oklch(0.935 0.008 82);
  --sand:       oklch(0.895 0.012 80);
  --stone-line: oklch(0.852 0.012 80);
  --stone-line-soft: oklch(0.9 0.01 80);

  /* Basalt (dark) */
  --basalt:     oklch(0.205 0.007 62);
  --basalt-2:   oklch(0.168 0.006 58);
  --basalt-3:   oklch(0.255 0.008 62);
  --dark-line:  oklch(0.32 0.008 64);
  --dark-line-soft: oklch(0.28 0.008 62);

  /* Ink */
  --ink:        oklch(0.235 0.007 62);
  --ink-soft:   oklch(0.44 0.008 64);
  --ink-faint:  oklch(0.52 0.008 66);

  /* On dark */
  --on-dark:        oklch(0.945 0.006 84);
  --on-dark-soft:   oklch(0.78 0.01 78);
  --on-dark-faint:  oklch(0.68 0.01 74);

  /* Foundry ember accent */
  --ember:        oklch(0.645 0.148 47);
  --ember-bright: oklch(0.72 0.158 53);
  --ember-deep:   oklch(0.52 0.13 42);
  --ember-wash:   oklch(0.645 0.148 47 / 0.12);

  /* Type */
  --sans: "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: "IBM Plex Mono", "Pretendard", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Metrics */
  --maxw: 1180px;
  --pad: clamp(20px, 5vw, 64px);
  --radius: 4px;
  --radius-lg: 8px;
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
  word-break: keep-all;
}

::selection { background: var(--ember); color: var(--paper); }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img, svg { display: block; }

/* ---------- Layout primitives ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
.section { padding: clamp(72px, 11vw, 144px) 0; position: relative; }
.section--paper { background: var(--paper); color: var(--ink); }
.section--stone { background: var(--paper-2); color: var(--ink); }
.section--basalt { background: var(--basalt); color: var(--on-dark); }
.section--basalt-2 { background: var(--basalt-2); color: var(--on-dark); }

/* ---------- Eyebrow / headings ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ember);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: var(--ember);
  display: inline-block;
}
.section--basalt .eyebrow, .section--basalt-2 .eyebrow { color: var(--ember-bright); }
.section--basalt .eyebrow::before, .section--basalt-2 .eyebrow::before { background: var(--ember-bright); }

.snum {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}
.section--basalt .snum, .section--basalt-2 .snum { color: var(--on-dark-faint); }

h1, h2, h3 { font-weight: 700; line-height: 1.12; letter-spacing: -0.02em; text-wrap: balance; }
.h-display {
  font-size: clamp(38px, 6.2vw, 80px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.035em;
}
.h-section {
  font-size: clamp(30px, 4.4vw, 52px);
  font-weight: 700;
  line-height: 1.08;
  margin-top: 22px;
}
.lead {
  font-size: clamp(17px, 1.5vw, 21px);
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 60ch;
  margin-top: 22px;
  text-wrap: pretty;
}
.section--basalt .lead, .section--basalt-2 .lead { color: var(--on-dark-soft); }

.sec-head { margin-bottom: clamp(40px, 6vw, 72px); }
.sec-head .h-section { max-width: 22ch; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--sans); font-weight: 600; font-size: 15.5px;
  padding: 14px 26px; border-radius: var(--radius);
  border: 1px solid transparent; cursor: pointer;
  transition: transform .25s cubic-bezier(.2,.7,.3,1), background .2s, color .2s, border-color .2s, box-shadow .25s;
  white-space: nowrap; letter-spacing: -0.01em;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--ember); color: oklch(0.99 0.01 80); box-shadow: 0 10px 30px -12px var(--ember-deep); }
.btn--primary:hover { background: var(--ember-bright); box-shadow: 0 16px 36px -12px var(--ember-deep); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--stone-line); }
.btn--ghost:hover { border-color: var(--ink); }
.section--basalt .btn--ghost, .hero .btn--ghost { color: var(--on-dark); border-color: var(--dark-line); }
.section--basalt .btn--ghost:hover, .hero .btn--ghost:hover { border-color: var(--on-dark); }
.nav .btn--ghost { color: var(--on-dark); border-color: var(--dark-line); }
.nav .btn--ghost:hover { color: var(--on-dark); border-color: var(--on-dark); }
.btn .arr { transition: transform .25s; }
.btn:hover .arr { transform: translateX(4px); }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .35s, border-color .35s, backdrop-filter .35s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: oklch(0.205 0.007 62 / 0.82);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom-color: var(--dark-line-soft);
}
.nav__inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad);
  height: 72px; display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--on-dark); }
.brand__mark { width: 30px; height: 30px; flex: none; object-fit: contain; }
.brand__txt { display: flex; flex-direction: column; line-height: 1.05; }
.brand__ko { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; color: var(--ember-bright); text-transform: uppercase; white-space: nowrap; }
.brand__en { font-weight: 700; font-size: 17px; letter-spacing: -0.01em; white-space: nowrap; }
.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links a { font-size: 14.5px; color: var(--on-dark-soft); font-weight: 500; transition: color .2s; }
.nav__links a:hover { color: var(--on-dark); }
.nav__cta { display: flex; align-items: center; gap: 14px; }
.nav__cta .btn { padding: 10px 20px; font-size: 14px; }
.nav__burger { display: none; background: none; border: 0; cursor: pointer; width: 40px; height: 40px; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.nav__burger span { width: 22px; height: 2px; background: var(--on-dark); transition: .3s; }

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__cta .btn--ghost { display: none; }
  .nav__burger { display: flex; }
  .nav__links.is-open {
    display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0;
    background: var(--basalt-2); padding: 24px var(--pad); gap: 20px; border-bottom: 1px solid var(--dark-line);
  }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; background: var(--basalt); color: var(--on-dark);
  min-height: 100vh; display: flex; align-items: center;
  padding: 120px 0 80px; overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--dark-line-soft) 1px, transparent 1px),
                    linear-gradient(90deg, var(--dark-line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 90% at 70% 30%, #000 20%, transparent 75%);
  opacity: 0.5;
}
.hero__glow {
  position: absolute; width: 70vw; height: 70vw; max-width: 900px; max-height: 900px;
  right: -10%; top: -20%; border-radius: 50%;
  background: radial-gradient(circle, var(--ember-wash) 0%, transparent 62%);
  filter: blur(8px);
}
.hero__inner {
  position: relative; z-index: 2; width: 100%;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 72px); align-items: center;
}
.hero__tag {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ember-bright); display: inline-flex; align-items: center; gap: 12px; margin-bottom: 30px;
}
.hero__tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ember); box-shadow: 0 0 0 4px var(--ember-wash); }
.hero h1 { font-size: clamp(34px, 5.4vw, 66px); font-weight: 800; letter-spacing: -0.04em; line-height: 1.07; }
.hero h1 .em { color: var(--ember-bright); }
.hero__sub { margin-top: 26px; font-size: clamp(17px, 1.7vw, 22px); color: var(--on-dark-soft); max-width: 34ch; line-height: 1.55; text-wrap: pretty; }
.hero__product {
  margin-top: 30px; font-family: var(--mono); font-size: 14px; color: var(--on-dark);
  display: inline-flex; align-items: center; gap: 12px; padding: 10px 16px;
  border: 1px solid var(--dark-line); border-radius: 999px; background: oklch(0.16 0.006 58 / 0.6);
}
.hero__product b { color: var(--ember-bright); font-weight: 600; }
.hero__actions { margin-top: 40px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero__stats { margin-top: 52px; display: flex; gap: 40px; flex-wrap: wrap; border-top: 1px solid var(--dark-line); padding-top: 28px; }
.hero__stat .n { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; }
.hero__stat .n .u { font-size: 15px; color: var(--ember-bright); font-weight: 600; margin-left: 2px; }
.hero__stat .l { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.06em; color: var(--on-dark-faint); margin-top: 4px; text-transform: uppercase; }

/* Hero graph */
.hero__graph { position: relative; aspect-ratio: 1/1; width: 100%; }
.graph-svg { width: 100%; height: 100%; overflow: visible; }
.g-edge { stroke: var(--dark-line); stroke-width: 1.2; fill: none; }
.g-edge.live { stroke: var(--ember); stroke-width: 1.6; }
.g-node circle { fill: var(--basalt-3); stroke: var(--dark-line); stroke-width: 1.4; transition: fill .3s, stroke .3s; }
.g-node.cap circle { fill: var(--ember); stroke: var(--ember-bright); }
.g-node.kpi circle { fill: oklch(0.22 0.01 62); stroke: var(--ember); }
.g-node text { font-family: var(--mono); font-size: 11px; fill: var(--on-dark-soft); }
.g-node.cap text, .g-node.kpi text { fill: var(--on-dark); }
.g-pulse { fill: var(--ember); }

@media (max-width: 940px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__graph { max-width: 460px; margin: 8px auto 0; order: 2; }
}

/* ============================================================
   PROBLEM
   ============================================================ */
.prob-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pcard {
  background: var(--paper); border: 1px solid var(--stone-line); border-radius: var(--radius-lg);
  padding: 30px 28px; position: relative; transition: transform .3s, box-shadow .3s, border-color .3s;
}
.pcard:hover { transform: translateY(-4px); box-shadow: 0 22px 44px -28px oklch(0.2 0.01 60 / 0.5); border-color: var(--sand); }
.pcard__ix { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); letter-spacing: 0.1em; }
.pcard h3 { font-size: 21px; margin-top: 16px; letter-spacing: -0.02em; }
.pcard p { margin-top: 12px; font-size: 15.5px; color: var(--ink-soft); line-height: 1.6; }
.pcard .tag { margin-top: 18px; font-family: var(--mono); font-size: 11.5px; color: var(--ember); border-top: 1px dashed var(--stone-line); padding-top: 14px; }

.prob-quote {
  margin-top: 48px; padding: 36px clamp(28px, 5vw, 56px); border-radius: var(--radius-lg);
  background: var(--basalt); color: var(--on-dark); display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center;
}
.prob-quote .big { font-family: var(--mono); font-size: clamp(40px, 7vw, 72px); font-weight: 600; color: var(--ember-bright); line-height: 1; letter-spacing: -0.03em; }
.prob-quote h3 { font-size: clamp(20px, 2.4vw, 28px); font-weight: 700; }
.prob-quote p { margin-top: 8px; color: var(--on-dark-soft); font-size: 15.5px; }

@media (max-width: 820px) { .prob-grid { grid-template-columns: 1fr; } .prob-quote { grid-template-columns: 1fr; gap: 14px; } }

/* ============================================================
   SOLUTION + chat demo
   ============================================================ */
.sol-top { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 6vw, 80px); align-items: end; }
.sol-points { margin-top: 38px; display: flex; flex-direction: column; gap: 0; }
.sol-point { display: grid; grid-template-columns: auto 1fr; gap: 20px; padding: 24px 0; border-top: 1px solid var(--dark-line); }
.sol-point:last-child { border-bottom: 1px solid var(--dark-line); }
.sol-point .ico { width: 40px; height: 40px; border-radius: var(--radius); border: 1px solid var(--ember); display: grid; place-items: center; color: var(--ember-bright); font-family: var(--mono); font-size: 13px; }
.sol-point h4 { font-size: 18px; font-weight: 600; }
.sol-point p { color: var(--on-dark-soft); font-size: 15px; margin-top: 4px; }

/* chat demo */
.chat {
  background: var(--basalt-2); border: 1px solid var(--dark-line); border-radius: 12px; overflow: hidden;
  box-shadow: 0 40px 80px -40px oklch(0.1 0.01 60 / 0.7); display: flex; flex-direction: column; min-height: 520px;
}
.chat__bar { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--dark-line); background: oklch(0.18 0.006 58); }
.chat__bar .name { font-weight: 600; font-size: 14px; color: var(--on-dark); }
.chat__bar .name b { color: var(--ember-bright); }
.chat__bar .pill { margin-left: auto; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; color: var(--on-dark-faint); border: 1px solid var(--dark-line); border-radius: 999px; padding: 3px 10px; }
.chat__avatar { width: 26px; height: 26px; border-radius: 6px; background: var(--ember); display: grid; place-items: center; }
.chat__body { flex: 1; padding: 22px 20px; display: flex; flex-direction: column; gap: 14px; overflow-y: auto; }
.msg { max-width: 86%; font-size: 14.5px; line-height: 1.55; }
.msg.user { align-self: flex-end; background: var(--basalt-3); color: var(--on-dark); padding: 12px 16px; border-radius: 14px 14px 4px 14px; }
.msg.bot { align-self: flex-start; }
.msg.bot .bubble { background: oklch(0.16 0.006 58); border: 1px solid var(--dark-line); padding: 14px 16px; border-radius: 14px 14px 14px 4px; color: var(--on-dark); }
.msg.bot .answer { color: var(--ember-bright); font-weight: 600; }
.msg.bot .trace { margin-top: 12px; font-family: var(--mono); font-size: 11.5px; color: var(--on-dark-faint); border-top: 1px solid var(--dark-line); padding-top: 10px; line-height: 1.8; }
.msg.bot .trace .step { color: var(--on-dark-soft); }
.msg.bot .trace .step b { color: var(--ember-bright); font-weight: 500; }
.typing { display: inline-flex; gap: 4px; padding: 14px 16px; }
.typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--on-dark-faint); animation: blink 1.2s infinite both; }
.typing span:nth-child(2) { animation-delay: .2s; } .typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .25; } 40% { opacity: 1; } }
.chat__foot { padding: 14px; border-top: 1px solid var(--dark-line); }
.chat__suggest { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.chip {
  font-family: var(--sans); font-size: 12.5px; color: var(--on-dark-soft); background: transparent;
  border: 1px solid var(--dark-line); border-radius: 999px; padding: 7px 13px; cursor: pointer; transition: .2s; text-align: left;
}
.chip:hover { border-color: var(--ember); color: var(--ember-bright); }
.chat__input { display: flex; gap: 10px; align-items: center; background: oklch(0.16 0.006 58); border: 1px solid var(--dark-line); border-radius: 10px; padding: 6px 6px 6px 16px; }
.chat__input input { flex: 1; background: none; border: 0; color: var(--on-dark); font-family: var(--sans); font-size: 14.5px; outline: none; }
.chat__input input::placeholder { color: var(--on-dark-faint); }
.chat__send { width: 38px; height: 38px; flex: none; border: 0; border-radius: 8px; background: var(--ember); color: oklch(0.99 0.01 80); cursor: pointer; display: grid; place-items: center; transition: background .2s; }
.chat__send:hover { background: var(--ember-bright); }

@media (max-width: 940px) { .sol-top { grid-template-columns: 1fr; } }

/* ============================================================
   PIPELINE (5 steps)
   ============================================================ */
.pipe { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: step; }
.pstep { position: relative; padding: 0 22px; }
.pstep:not(:last-child)::after {
  content: ""; position: absolute; top: 19px; right: -8px; width: 16px; height: 16px;
  border-top: 2px solid var(--stone-line); border-right: 2px solid var(--stone-line); transform: rotate(45deg);
}
.pstep__num {
  width: 40px; height: 40px; border-radius: 50%; border: 1.5px solid var(--ink);
  display: grid; place-items: center; font-family: var(--mono); font-weight: 500; font-size: 15px;
  background: var(--paper); position: relative; z-index: 2;
}
.pstep__line { height: 2px; background: var(--stone-line); margin: -21px 0 0 40px; position: relative; }
.pstep h4 { font-size: 17px; margin-top: 26px; letter-spacing: -0.02em; }
.pstep p { font-size: 14px; color: var(--ink-soft); margin-top: 10px; line-height: 1.55; }
.pstep .meta { margin-top: 14px; font-family: var(--mono); font-size: 11px; color: var(--ember); letter-spacing: 0.04em; }
@media (max-width: 860px) {
  .pipe { grid-template-columns: 1fr; gap: 4px; }
  .pstep { padding: 22px 0 22px 56px; border-left: 2px solid var(--stone-line); margin-left: 19px; }
  .pstep:not(:last-child)::after { display: none; }
  .pstep__num { position: absolute; left: -21px; top: 22px; }
}

/* ============================================================
   ONTOLOGY LAYERS / TECH
   ============================================================ */
.layers { display: flex; flex-direction: column; gap: 10px; }
.layer {
  display: grid; grid-template-columns: 72px 1fr auto; align-items: center; gap: 22px;
  padding: 20px 26px; border: 1px solid var(--dark-line); border-radius: var(--radius-lg);
  background: var(--basalt-2); transition: border-color .3s, transform .3s;
}
.layer:hover { border-color: var(--ember); transform: translateX(6px); }
.layer .lid { font-family: var(--mono); font-size: 20px; font-weight: 600; color: var(--ember-bright); }
.layer .lname { font-weight: 600; font-size: 18px; }
.layer .ldesc { color: var(--on-dark-soft); font-size: 14.5px; margin-top: 2px; }
.layer .lex { font-family: var(--mono); font-size: 11.5px; color: var(--on-dark-faint); text-align: right; }
@media (max-width: 700px) { .layer { grid-template-columns: 56px 1fr; gap: 14px; } .layer .lex { display: none; } }

.tech-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 18px; margin-top: 56px; }
.tcard { background: var(--basalt-2); border: 1px solid var(--dark-line); border-radius: var(--radius-lg); padding: 30px; }
.tcard h4 { font-size: 19px; display: flex; align-items: center; gap: 12px; }
.tcard h4 .b { width: 8px; height: 8px; background: var(--ember); border-radius: 2px; }
.tcard p { color: var(--on-dark-soft); font-size: 15px; margin-top: 12px; line-height: 1.6; }
.tcard ul { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.tcard li { display: flex; gap: 12px; font-size: 14.5px; color: var(--on-dark-soft); }
.tcard li::before { content: ""; width: 6px; height: 6px; margin-top: 8px; flex: none; background: var(--ember); border-radius: 50%; }
.tcard li b { color: var(--on-dark); font-weight: 600; }
.sec-mono { font-family: var(--mono); font-size: 12px; color: var(--ember-bright); letter-spacing: 0.06em; }
@media (max-width: 820px) { .tech-grid { grid-template-columns: 1fr; } }

/* stack diagram */
.stack { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }
.slayer { border: 1px solid var(--dark-line); border-radius: var(--radius); padding: 16px 20px; background: var(--basalt-2); position: relative; }
.slayer .st { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--on-dark-faint); text-transform: uppercase; }
.slayer .sv { margin-top: 4px; font-size: 15px; color: var(--on-dark); }
.slayer .sv b { color: var(--ember-bright); }
.slayer.is-edge { border-style: dashed; background: transparent; }
.slayer.is-top { border-color: var(--ember); background: var(--ember-wash); }

/* ============================================================
   TRACKS
   ============================================================ */
.tracks { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.track { border: 1px solid var(--stone-line); border-radius: var(--radius-lg); padding: 38px 34px; background: var(--paper); transition: transform .3s, box-shadow .3s; position: relative; overflow: hidden; }
.track:hover { transform: translateY(-4px); box-shadow: 0 28px 56px -32px oklch(0.2 0.01 60 / 0.45); }
.track__k { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--ember); text-transform: uppercase; }
.track h3 { font-size: 26px; margin-top: 10px; }
.track .dur { display: inline-flex; align-items: baseline; gap: 6px; margin-top: 18px; }
.track .dur .num { font-size: 40px; font-weight: 800; letter-spacing: -0.03em; }
.track .dur .unit { font-size: 16px; color: var(--ink-soft); font-weight: 500; }
.track p { color: var(--ink-soft); font-size: 15px; margin-top: 16px; line-height: 1.6; }
.track ul { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.track li { font-size: 14.5px; display: flex; gap: 12px; color: var(--ink); }
.track li::before { content: "→"; color: var(--ember); font-family: var(--mono); }
.track__wm { position: absolute; right: -10px; bottom: -30px; font-family: var(--mono); font-weight: 700; font-size: 130px; color: var(--paper-2); z-index: 0; line-height: 1; }
.track > * { position: relative; z-index: 1; }
@media (max-width: 760px) { .tracks { grid-template-columns: 1fr; } }

/* ============================================================
   POSITIONING table + market
   ============================================================ */
.market { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 60px; }
.mstat { padding: 30px; border: 1px solid var(--dark-line); border-radius: var(--radius-lg); background: var(--basalt-2); }
.mstat .n { font-size: clamp(32px, 4vw, 46px); font-weight: 800; letter-spacing: -0.03em; color: var(--on-dark); }
.mstat .n .u { color: var(--ember-bright); font-size: 0.55em; }
.mstat .l { margin-top: 8px; color: var(--on-dark-soft); font-size: 14.5px; }
.mstat .s { margin-top: 4px; font-family: var(--mono); font-size: 11.5px; color: var(--on-dark-faint); }
@media (max-width: 760px) { .market { grid-template-columns: 1fr; } }

.cmp { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.cmp th, .cmp td { text-align: left; padding: 18px 20px; border-bottom: 1px solid var(--dark-line); vertical-align: middle; }
.cmp thead th { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-dark-faint); font-weight: 500; }
.cmp td .name { font-weight: 600; color: var(--on-dark); font-size: 15.5px; }
.cmp td.muted { color: var(--on-dark-faint); }
.cmp tr.us { background: var(--ember-wash); }
.cmp tr.us td { border-bottom-color: var(--ember); }
.cmp tr.us .name { color: var(--ember-bright); }
.cmp tr.us .star { color: var(--ember-bright); }
.cmp-wrap { overflow-x: auto; border: 1px solid var(--dark-line); border-radius: var(--radius-lg); }
.cmp tr:last-child td { border-bottom: 0; }

/* ============================================================
   ROADMAP
   ============================================================ */
.road { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.road::before { content: ""; position: absolute; top: 30px; left: 8%; right: 8%; height: 2px; background: var(--stone-line); }
.phase { padding: 0 18px; position: relative; }
.phase__dot { width: 18px; height: 18px; border-radius: 50%; background: var(--paper); border: 3px solid var(--stone-line); margin: 22px auto 0; position: relative; z-index: 2; }
.phase.is-now .phase__dot { border-color: var(--ember); background: var(--ember); box-shadow: 0 0 0 6px var(--ember-wash); }
.phase .when { font-family: var(--mono); font-size: 11.5px; color: var(--ember); text-align: center; margin-top: 20px; letter-spacing: 0.04em; }
.phase h4 { font-size: 18px; text-align: center; margin-top: 8px; }
.phase ul { margin-top: 18px; display: flex; flex-direction: column; gap: 9px; }
.phase li { font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; padding-left: 16px; position: relative; }
.phase li::before { content: ""; position: absolute; left: 0; top: 8px; width: 5px; height: 5px; border-radius: 50%; background: var(--stone-line); }
.phase.is-now li::before { background: var(--ember); }
@media (max-width: 860px) {
  .road { grid-template-columns: 1fr; gap: 8px; }
  .road::before { top: 0; bottom: 0; left: 8px; right: auto; width: 2px; height: auto; }
  .phase { padding: 14px 0 14px 40px; }
  .phase__dot { position: absolute; left: 0; top: 18px; margin: 0; }
  .phase .when, .phase h4 { text-align: left; }
}

/* ============================================================
   TEAM
   ============================================================ */
.team { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.member { border: 1px solid var(--dark-line); border-radius: var(--radius-lg); padding: 30px; background: var(--basalt-2); }
.member__av { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(140deg, var(--basalt-3), var(--basalt)); border: 1px solid var(--dark-line); display: grid; place-items: center; font-family: var(--mono); color: var(--ember-bright); font-weight: 600; font-size: 18px; }
.member h4 { font-size: 19px; margin-top: 20px; }
.member .role { font-family: var(--mono); font-size: 12px; color: var(--ember-bright); margin-top: 4px; letter-spacing: 0.04em; }
.member .exp { color: var(--on-dark-soft); font-size: 14.5px; margin-top: 14px; line-height: 1.6; }
.member ul { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.member li { font-size: 13px; color: var(--on-dark-faint); display: flex; gap: 10px; font-family: var(--mono); }
.member li::before { content: "·"; color: var(--ember); }
@media (max-width: 820px) { .team { grid-template-columns: 1fr; } }

/* references */
.refs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 48px; }
.ref { padding: 26px; border: 1px solid var(--stone-line); border-radius: var(--radius-lg); background: var(--paper); color: var(--ink); }
.ref .cat { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ember); }
.ref .cnt { font-size: 32px; font-weight: 800; margin-top: 10px; letter-spacing: -0.02em; color: var(--ink); }
.ref .d { font-size: 13.5px; color: var(--ink-soft); margin-top: 8px; line-height: 1.5; }
@media (max-width: 820px) { .refs { grid-template-columns: 1fr 1fr; } }

/* ============================================================
   CTA + FOOTER
   ============================================================ */
.cta { background: var(--basalt); color: var(--on-dark); text-align: center; position: relative; overflow: hidden; }
.cta__glow { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 700px; height: 400px; background: radial-gradient(ellipse, var(--ember-wash), transparent 70%); }
.cta .inner { position: relative; z-index: 2; max-width: 760px; margin: 0 auto; }
.cta h2 { font-size: clamp(32px, 5vw, 60px); font-weight: 800; letter-spacing: -0.035em; }
.cta p { margin-top: 20px; color: var(--on-dark-soft); font-size: 18px; }
.cta__actions { margin-top: 38px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.footer { background: var(--basalt-2); color: var(--on-dark-soft); padding: 64px 0 40px; border-top: 1px solid var(--dark-line); }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--dark-line); }
.footer__brand .brand__en { color: var(--on-dark); font-size: 20px; }
.footer__brand p { margin-top: 16px; font-size: 14px; max-width: 38ch; line-height: 1.6; }
.footer__col h5 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-dark-faint); margin-bottom: 16px; }
.footer__col a, .footer__col p { display: block; font-size: 14px; margin-bottom: 10px; transition: color .2s; }
.footer__col a:hover { color: var(--ember-bright); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 28px; font-size: 13px; color: var(--on-dark-faint); flex-wrap: wrap; gap: 12px; }
.footer__bottom .mono { font-family: var(--mono); letter-spacing: 0.04em; }
@media (max-width: 760px) { .footer__top { grid-template-columns: 1fr; gap: 28px; } }

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.2,.7,.3,1), transform .8s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}