/* ============================================================
   Incognitive — landing page
   Warm marble gallery · antique gilt accent · editorial serif
   ============================================================ */

:root {
  /* light marble world */
  --marble:    #f3f1eb;
  --marble-2:  #ece8df;
  --paper:     #fbfaf6;
  --ink:       #1b1a15;
  --ink-soft:  #3b382f;
  --muted:     #6f6a5f;
  --faint:     #a39d90;
  --line:      rgba(27,26,21,0.13);
  --line-soft: rgba(27,26,21,0.07);

  /* antique gilt */
  --gold:        #b0882a;
  --gold-bright: #d9b65f;
  --gold-deep:   #846417;
  --gold-grad:   linear-gradient(135deg, #ead08a 0%, #c79a3d 38%, #9a751f 78%, #c79a3d 100%);

  /* dark proof world */
  --noir:      #131210;
  --noir-2:    #1c1a15;
  --noir-3:    #262318;
  --noir-line: rgba(240,235,222,0.12);
  --noir-text: #f1ede2;
  --noir-mut:  #9b9588;

  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans:  "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --maxw: 1280px;
  --gutter: clamp(20px, 5vw, 80px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--marble);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
::selection { background: rgba(176,136,42,0.22); }

h1, h2, h3 { margin: 0; font-weight: 400; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ---------- shared type helpers ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.eyebrow .dot { color: var(--faint); margin: 0 0.5em; font-weight: 400; }

.serif { font-family: var(--serif); }
.gild {
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 100%;
}
.italic { font-style: italic; }

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

section[id] { scroll-margin-top: 84px; }

section { position: relative; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--gutter);
  transition: background 0.5s ease, box-shadow 0.5s ease, padding 0.4s ease;
}
.nav.solid {
  background: rgba(243,241,235,0.82);
  backdrop-filter: blur(16px) saturate(1.2);
  box-shadow: 0 1px 0 var(--line-soft);
  padding-top: 13px; padding-bottom: 13px;
}
.brand {
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 500;
  letter-spacing: -0.01em;
  display: flex; align-items: baseline; gap: 0;
}
.brand .mark {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--gold-grad); display: inline-block;
  margin-right: 9px; transform: translateY(-1px);
  box-shadow: 0 0 0 4px rgba(176,136,42,0.12);
}
.brand b { font-weight: 600; }
.brand .ai { color: var(--gold-deep); font-style: italic; font-weight: 500; }

.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  font-size: 14px; color: var(--ink-soft); letter-spacing: 0.01em;
  position: relative; transition: color 0.25s; white-space: nowrap;
}
.nav-links a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -5px; height: 1px; width: 0;
  background: var(--gold); transition: width 0.3s ease;
}
.nav-links a:not(.btn):hover { color: var(--ink); }
.nav-links a:not(.btn):hover::after { width: 100%; }
.nav .menu-link { }

.btn {
  font-family: var(--sans); font-size: 14px; font-weight: 600;
  letter-spacing: 0.01em; cursor: pointer; border: none;
  padding: 11px 20px; border-radius: 999px;
  background: var(--ink); color: var(--marble);
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}
.btn:hover { transform: translateY(-1px); background: #000; box-shadow: 0 8px 24px rgba(0,0,0,0.16); }
.btn.ghost {
  background: transparent; color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line);
}
.btn.ghost:hover { box-shadow: inset 0 0 0 1px var(--ink); background: transparent; }
.btn.gold { background: var(--gold); color: #fff; }
.btn.gold:hover { background: var(--gold-deep); }

/* ============================================================
   HERO
   ============================================================ */
.hero { padding: clamp(120px, 17vh, 200px) 0 clamp(60px, 9vh, 120px); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(28px, 5vw, 80px);
  align-items: center;
}
.hero-eyebrow { margin-bottom: 30px; opacity: 0; }
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(46px, 6.6vw, 94px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  font-weight: 500;
}
.hero h1 .line { display: block; }
.hero h1 .line > span { display: inline-block; opacity: 0; transform: translateY(40px); padding-bottom: 0.04em; }
.hero h1 em { font-weight: 500; }
.hero-sub {
  margin-top: 40px; max-width: 36ch;
  font-size: clamp(17px, 1.35vw, 20px); line-height: 1.62; color: var(--ink-soft);
  opacity: 0;
}
.hero-cta { margin-top: 40px; opacity: 0; }
.waitlist {
  display: flex; align-items: stretch; gap: 9px;
  max-width: 430px;
}
.waitlist input {
  flex: 1; min-width: 0;
  font-family: var(--sans); font-size: 15px; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line);
  border-radius: 999px; padding: 13px 20px; outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.waitlist input::placeholder { color: var(--faint); }
.waitlist input:focus { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(176,136,42,0.12); }
.waitlist .btn { white-space: nowrap; }
.hero-fine {
  margin-top: 16px; font-family: var(--mono); font-size: 11.5px;
  letter-spacing: 0.13em; text-transform: uppercase; color: var(--faint);
}
.hero-fine .ok { color: var(--gold-deep); }

/* framed sculpture plate */
.plate-wrap { opacity: 0; }
.plate {
  position: relative;
  background: linear-gradient(160deg, #e7e4dd, #d7d3cb);
  padding: 14px;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.7) inset,
    0 40px 80px -40px rgba(40,36,28,0.5),
    0 2px 10px rgba(40,36,28,0.1);
  border-radius: 3px;
}
.plate::before {
  content: ""; position: absolute; inset: 7px; border-radius: 2px;
  box-shadow: inset 0 0 0 1px rgba(176,136,42,0.55), inset 0 0 0 4px rgba(255,255,255,0.4);
  pointer-events: none; z-index: 3;
}
.plate-img {
  position: relative; overflow: hidden; border-radius: 1px;
  aspect-ratio: 1122 / 1402;
}
.plate-img img {
  width: 100%; height: 100%; object-fit: cover; object-position: 50% 32%;
  will-change: transform;
}
/* gold shimmer sweep over the brain */
.shimmer {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(115deg, transparent 38%, rgba(255,225,150,0.5) 47%, rgba(255,240,200,0.18) 52%, transparent 60%);
  background-size: 250% 100%;
  mix-blend-mode: screen;
  animation: sweep 7s ease-in-out 1.2s infinite;
  opacity: 0;
}
@keyframes sweep {
  0% { background-position: 140% 0; opacity: 0; }
  12% { opacity: 0.9; }
  40%, 100% { background-position: -60% 0; opacity: 0; }
}
.caption-plate {
  margin-top: 16px; display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
  color: var(--muted); text-transform: uppercase;
  padding: 0 4px;
}
.caption-plate .t { color: var(--ink-soft); }
.caption-plate .g { color: var(--gold-deep); }

/* scroll cue */
.scroll-cue {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--faint); opacity: 0;
}
.scroll-cue .bar { width: 1px; height: 38px; background: linear-gradient(var(--gold), transparent); }

/* ============================================================
   PINNED STATEMENT (gilding)
   ============================================================ */
.pin-statement { background: var(--marble); }
.pin-tall { height: 320vh; position: relative; }
.pin-sticky {
  position: sticky; top: 0; height: 100vh;
  overflow: hidden;
}
.pin-art {
  position: absolute; inset: 0;
}
.pin-art img {
  position: absolute; top: 50%; left: -2%; transform: translateY(-50%);
  height: 108%; width: auto; max-width: none;
  object-fit: contain;
}
.pin-veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(260deg, var(--marble) 8%, rgba(243,241,235,0.86) 34%, rgba(243,241,235,0.35) 52%, rgba(243,241,235,0.06) 66%),
    radial-gradient(120% 90% at 82% 50%, rgba(243,241,235,0.55), transparent 60%);
}
.pin-lines {
  position: absolute; right: var(--gutter); top: 50%; transform: translateY(-50%);
  max-width: min(620px, 50vw); height: 1.1em; text-align: right;
}
.pin-line {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(32px, 4.6vw, 72px); line-height: 1.05; letter-spacing: -0.01em;
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  opacity: 0; width: max-content; max-width: min(620px, 50vw); color: var(--ink);
  text-wrap: balance;
}
.pin-spacer { display: none; }
.pin-progress {
  position: absolute; right: var(--gutter); bottom: 16vh;
  width: clamp(180px, 24vw, 320px); height: 2px; background: var(--line);
}
.pin-progress i { display: block; height: 100%; width: 0; background: var(--gold-grad); }
.pin-progress .lab {
  position: absolute; top: -22px; right: 0; text-align: right;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); white-space: nowrap;
}

/* ============================================================
   DARK PROOF
   ============================================================ */
.proof { background: var(--noir); color: var(--noir-text); }
.proof .eyebrow { color: var(--gold-bright); }
.proof-head { text-align: center; padding: clamp(90px,12vh,150px) 0 10px; }
.proof-head h2 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(38px, 5.2vw, 78px); line-height: 1.02; letter-spacing: -0.01em;
  margin-top: 22px;
}
.proof-head p { color: var(--noir-mut); max-width: 50ch; margin: 22px auto 0; font-size: 18px; }

.proof-tall { height: 460vh; position: relative; }
.proof-stage {
  position: sticky; top: 0; height: 100vh;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  gap: clamp(20px, 4vw, 70px);
  padding: 0 var(--gutter);
}

/* phone */
.phone {
  justify-self: center; position: relative;
  width: 300px; height: 620px; border-radius: 46px;
  background: linear-gradient(160deg, #34301f, #1a1812 60%, #0e0d0a);
  padding: 11px;
  box-shadow: 0 50px 110px -30px rgba(0,0,0,0.95), inset 0 0 0 1px rgba(240,235,222,0.14), 0 0 0 1px rgba(0,0,0,0.6);
}
.phone::before {
  content: ""; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 150%; height: 120%; z-index: -1; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(176,136,42,0.28), rgba(176,136,42,0.06) 60%, transparent 75%);
  filter: blur(10px);
}
.phone-screen {
  position: relative; width: 100%; height: 100%; border-radius: 36px; overflow: hidden;
  background: #0b0a08; display: flex; flex-direction: column;
}
.phone-notch {
  position: absolute; top: 9px; left: 50%; transform: translateX(-50%);
  width: 96px; height: 26px; background: #000; border-radius: 999px; z-index: 6;
}
.status-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px 6px; font-family: var(--mono); font-size: 11px; color: var(--noir-text);
  z-index: 5;
}
.status-bar .sig { display: flex; gap: 8px; align-items: center; transition: opacity 0.4s, color 0.4s; }
.status-bar .plane { color: var(--gold-bright); opacity: 0; transition: opacity 0.4s; font-size: 12px; }
.status-bar.offline .sig { opacity: 0.28; }
.status-bar.offline .plane { opacity: 1; }

.chat-head {
  padding: 4px 18px 12px; border-bottom: 1px solid rgba(240,235,222,0.08);
  display: flex; align-items: center; gap: 9px;
}
.chat-head .av { width: 26px; height: 26px; border-radius: 50%; background: var(--gold-grad); flex: none; }
.chat-head .nm { font-size: 13px; font-weight: 600; }
.chat-head .st { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.1em; color: var(--noir-mut); text-transform: uppercase; }

.chat-body { flex: 1; padding: 16px 16px 0; display: flex; flex-direction: column; gap: 12px; overflow: hidden; }
.bubble {
  max-width: 84%; padding: 10px 13px; border-radius: 16px; font-size: 13.5px; line-height: 1.5;
  opacity: 0; transform: translateY(8px);
}
.bubble.user { align-self: flex-end; background: #2a2820; border-bottom-right-radius: 5px; color: var(--noir-text); }
.bubble.bot { align-self: flex-start; background: #18160f; border: 1px solid rgba(240,235,222,0.07); border-bottom-left-radius: 5px; color: #e9e5da; }
.bubble .cursor { display: inline-block; width: 7px; height: 15px; background: var(--gold-bright); vertical-align: -2px; margin-left: 1px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.chat-input {
  margin: 10px 12px 16px; padding: 9px 14px; border-radius: 999px;
  background: #17150f; border: 1px solid rgba(240,235,222,0.1);
  font-size: 12.5px; color: var(--noir-mut); display: flex; justify-content: space-between; align-items: center;
}
.chat-input .send { width: 24px; height: 24px; border-radius: 50%; background: var(--gold); }

/* reopen flash */
.reopen-flash {
  position: absolute; inset: 0; background: #0b0a08; z-index: 10;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--noir-mut);
  opacity: 0; pointer-events: none;
}

/* proof backlight so the device reads against the noir */
.proof-stage::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 50% 60% at 50% 48%, rgba(60,54,38,0.55), transparent 70%);
}

/* steps rail (left) */
.steps-rail { justify-self: end; max-width: 300px; }
.steps-rail .step {
  display: flex; gap: 14px; padding: 16px 0; opacity: 0.3;
  transition: opacity 0.45s ease;
  border-top: 1px solid var(--noir-line);
}
.steps-rail .step:first-child { border-top: none; }
.steps-rail .step.on { opacity: 1; }
.steps-rail .num {
  font-family: var(--mono); font-size: 11px; color: var(--gold-bright);
  flex: none; width: 28px; padding-top: 2px; letter-spacing: 0.05em;
}
.steps-rail .step.on .num { color: var(--gold-bright); }
.steps-rail .stxt b { display: block; font-size: 15px; font-weight: 600; margin-bottom: 3px; font-family: var(--sans); }
.steps-rail .stxt span { font-size: 13px; color: var(--noir-mut); line-height: 1.45; }
.steps-rail .step.done .num::after { content: " ✓"; }

/* meter (right) */
.meter { justify-self: start; max-width: 320px; width: 100%; }
.meter-card {
  background: var(--noir-2); border: 1px solid var(--noir-line); border-radius: 14px;
  padding: 20px 20px 18px;
}
.meter-card .ml {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--noir-mut);
  display: flex; justify-content: space-between; align-items: center;
}
.meter-card .live { display: flex; align-items: center; gap: 6px; color: var(--gold-bright); }
.meter-card .live .pulse { width: 6px; height: 6px; border-radius: 50%; background: var(--gold-bright); animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1);} 50% { opacity: 0.3; transform: scale(0.7);} }
.meter-num {
  font-family: var(--serif); font-size: 64px; line-height: 1; margin: 16px 0 2px; font-weight: 500;
  display: flex; align-items: baseline; gap: 8px;
}
.meter-num .u { font-family: var(--mono); font-size: 14px; color: var(--noir-mut); font-weight: 400; }
.meter-sub { font-family: var(--mono); font-size: 11px; color: var(--noir-mut); letter-spacing: 0.05em; }
.meter-sub.zero { color: var(--gold-bright); }
.graph { display: flex; align-items: flex-end; gap: 3px; height: 64px; margin-top: 18px; }
.graph .bar { flex: 1; background: var(--gold); border-radius: 2px 2px 0 0; height: 4%; transition: height 0.3s ease, background 0.3s; opacity: 0.85; }
.graph .bar.flat { background: rgba(240,235,222,0.14); }
.meter-foot {
  margin-top: 16px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.05em;
  color: var(--noir-mut); display: flex; align-items: center; gap: 8px;
}
.meter-foot .chk { color: var(--gold-bright); }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how { padding: clamp(110px, 16vh, 200px) 0; }
.sec-head { max-width: 760px; margin-bottom: clamp(48px, 7vh, 90px); }
.sec-head h2 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(36px, 5vw, 72px); line-height: 1.03; letter-spacing: -0.01em; margin-top: 20px;
}
.sec-head p { color: var(--ink-soft); font-size: 19px; margin-top: 22px; max-width: 48ch; }

.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.how-cell { background: var(--marble); padding: clamp(28px,3vw,42px) clamp(24px,2.5vw,36px); min-height: 280px; display: flex; flex-direction: column; }
.how-cell .ix { font-family: var(--mono); font-size: 12px; color: var(--gold-deep); letter-spacing: 0.1em; }
.how-cell h3 { font-family: var(--serif); font-size: clamp(26px,2.4vw,34px); font-weight: 500; margin-top: 40px; }
.how-cell p { color: var(--muted); font-size: 15.5px; margin-top: 12px; line-height: 1.55; }
.how-cell .ico { margin-top: 6px; }

/* ============================================================
   MODELS
   ============================================================ */
.models { padding: clamp(100px, 14vh, 180px) 0; background: var(--marble-2); }

.default-card {
  display: grid; grid-template-columns: 1.45fr 0.55fr; gap: clamp(24px, 4vw, 60px);
  align-items: center;
  background: var(--paper); border: 1px solid var(--line); border-radius: 8px;
  padding: clamp(30px, 3.6vw, 56px);
  box-shadow: 0 40px 90px -60px rgba(40,36,28,0.5);
}
.dc-tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold-deep); }
.dc-name { font-size: clamp(44px, 5.4vw, 78px); font-weight: 500; line-height: 1; margin: 16px 0 0; letter-spacing: -0.01em; }
.dc-desc { color: var(--ink-soft); font-size: clamp(16px, 1.3vw, 19px); line-height: 1.6; max-width: 48ch; margin-top: 18px; }
.dc-chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.chip {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; color: var(--ink-soft);
  border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; background: var(--marble); white-space: nowrap;
}
.dc-right { display: flex; justify-content: center; }
.dc-plate {
  position: relative; width: 100%; max-width: 230px; aspect-ratio: 1 / 1.12;
  background: linear-gradient(160deg, #e7e4dd, #d7d3cb); padding: 11px; border-radius: 3px;
  box-shadow: 0 30px 60px -38px rgba(40,36,28,0.55);
}
.dc-plate::before {
  content: ""; position: absolute; inset: 6px; z-index: 2; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(176,136,42,0.5), inset 0 0 0 3px rgba(255,255,255,0.4);
}
.dc-plate img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 16%; border-radius: 1px; }
.dc-seal {
  position: absolute; left: 11px; right: 11px; bottom: 11px; z-index: 3;
  font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: #fff; text-align: center; padding: 8px 0;
  background: linear-gradient(transparent, rgba(20,18,12,0.55));
}

.advanced { margin-top: clamp(30px, 4vw, 52px); }
.adv-head {
  display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap;
  padding-bottom: 6px;
}
.adv-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink); }
.adv-note { font-size: 14.5px; color: var(--muted); }
.adv-list { display: grid; grid-template-columns: repeat(4, 1fr); }
.adv-row {
  display: flex; flex-direction: column; gap: 5px; padding: 22px 4px;
  border-top: 1px solid var(--line); transition: background 0.3s;
}
.adv-row .ar-name { font-size: clamp(20px, 1.8vw, 26px); font-weight: 500; }
.adv-row .ar-meta { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--faint); }

/* ============================================================
   CAPABILITIES
   ============================================================ */
.caps { padding: clamp(100px,14vh,180px) 0; }
.caps-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: clamp(20px,2.5vw,40px); margin-top: 60px; }
.cap .cn { font-family: var(--mono); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold-deep); padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.cap h3 { font-family: var(--serif); font-size: clamp(24px,2vw,30px); font-weight: 500; margin-top: 20px; }
.cap p { color: var(--muted); font-size: 15px; margin-top: 10px; line-height: 1.55; }

/* ============================================================
   OPEN SOURCE
   ============================================================ */
.oss { padding: clamp(100px,14vh,170px) 0; background: var(--noir); color: var(--noir-text); }
.oss .eyebrow { color: var(--gold-bright); }

/* feature showcase */
.feat-grid { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: clamp(40px,6vw,96px); align-items: start; }
.feat-intro { position: sticky; top: clamp(90px,12vh,140px); }
.feat-intro h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(38px,4.6vw,66px); line-height: 1.02; letter-spacing: -0.01em; margin-top: 22px; }
.feat-intro p { color: var(--noir-mut); font-size: 18px; line-height: 1.6; margin-top: 24px; max-width: 40ch; }
.feat-list { display: flex; flex-direction: column; }
.feat { display: flex; gap: clamp(18px,2.4vw,40px); padding: clamp(26px,3vw,42px) 0; border-top: 1px solid var(--noir-line); }
.feat:last-child { border-bottom: 1px solid var(--noir-line); }
.feat .fk { font-family: var(--mono); font-size: 12px; color: var(--gold-bright); letter-spacing: 0.12em; flex: none; padding-top: 9px; }
.feat .fv h3 { font-family: var(--serif); font-weight: 500; font-size: clamp(27px,2.5vw,40px); line-height: 1.04; }
.feat .fv p { color: var(--noir-mut); font-size: 16px; line-height: 1.62; margin-top: 12px; max-width: 50ch; }
.oss-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px,6vw,90px); align-items: center; }
.oss h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(38px,5vw,72px); line-height: 1.02; letter-spacing: -0.01em; margin-top: 22px; }
.oss p { color: var(--noir-mut); font-size: 18px; margin-top: 24px; max-width: 44ch; }
.oss-points { margin-top: 30px; display: flex; flex-direction: column; gap: 2px; }
.oss-point { display: flex; gap: 14px; padding: 15px 0; border-top: 1px solid var(--noir-line); align-items: baseline; }
.oss-point .pk { font-family: var(--mono); font-size: 11px; color: var(--gold-bright); letter-spacing: 0.05em; flex: none; width: 26px; }
.oss-point .pv { font-size: 15.5px; color: var(--noir-text); }
.oss-point .pv span { color: var(--noir-mut); display: block; font-size: 13.5px; margin-top: 2px; }

.terminal {
  background: #0c0b09; border: 1px solid var(--noir-line); border-radius: 12px; overflow: hidden;
  box-shadow: 0 40px 90px -50px rgba(0,0,0,0.9);
}
.term-bar { display: flex; align-items: center; gap: 7px; padding: 12px 15px; border-bottom: 1px solid var(--noir-line); }
.term-bar .d { width: 11px; height: 11px; border-radius: 50%; background: #2e2b22; }
.term-bar .tt { margin-left: 10px; font-family: var(--mono); font-size: 11px; color: var(--noir-mut); letter-spacing: 0.05em; }
.term-body { padding: 20px; font-family: var(--mono); font-size: 12.5px; line-height: 1.85; color: #cfcabb; }
.term-body .c { color: #6f6a5c; }
.term-body .g { color: var(--gold-bright); }
.term-body .ok { color: #8fc7a0; }
.term-body .em { color: var(--noir-text); }

/* ============================================================
   WHO / AUDIENCE
   ============================================================ */
.who { padding: clamp(100px,14vh,180px) 0; }
.who-grid { display: grid; grid-template-columns: 1.35fr 0.65fr; gap: clamp(40px,6vw,90px); align-items: center; }
.who-art { display: flex; justify-content: flex-end; }
.who-plate {
  position: relative; margin: 0; width: 100%; max-width: 320px; aspect-ratio: 1 / 1.22;
  background: linear-gradient(160deg, #e7e4dd, #d7d3cb); padding: 12px; border-radius: 3px;
  box-shadow: 0 40px 80px -44px rgba(40,36,28,0.6);
}
.who-plate::before {
  content: ""; position: absolute; inset: 7px; z-index: 2; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(176,136,42,0.5), inset 0 0 0 3px rgba(255,255,255,0.4);
}
.who-plate img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 22%; border-radius: 1px; }
.who-line { font-family: var(--serif); font-weight: 500; font-size: clamp(30px,4.4vw,62px); line-height: 1.12; letter-spacing: -0.01em; max-width: 20ch; }
.who-line .g { font-style: italic; }
.who-list { margin-top: 56px; display: grid; grid-template-columns: repeat(4,1fr); gap: 1px 0; }
.who-item { font-family: var(--mono); font-size: 13px; letter-spacing: 0.04em; color: var(--ink-soft); padding: 14px 0; border-top: 1px solid var(--line); text-transform: uppercase; }
.who-item::before { content: "— "; color: var(--gold); }

/* ============================================================
   FINAL CTA
   ============================================================ */
.final { padding: clamp(120px,18vh,220px) 0; text-align: center; background: var(--marble-2); }
.final h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(44px,7vw,108px); line-height: 0.99; letter-spacing: -0.015em; }
.final h2 em { font-weight: 500; }
.final p { color: var(--ink-soft); font-size: 19px; margin: 28px auto 0; max-width: 42ch; }
.final .waitlist { margin: 40px auto 0; }
.final .hero-fine { text-align: center; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { padding: 70px 0 50px; border-top: 1px solid var(--line); }
.footer-grid { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; flex-wrap: wrap; }
.footer .brand { font-size: 22px; }
.footer-cols { display: flex; gap: clamp(40px,6vw,90px); flex-wrap: wrap; }
.footer-col h4 { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); font-weight: 500; margin-bottom: 14px; }
.footer-col a { display: block; font-size: 14px; color: var(--muted); padding: 5px 0; transition: color 0.2s; }
.footer-col a:hover { color: var(--gold-deep); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--line); flex-wrap: wrap; gap: 12px; }
.footer-bottom .fine { font-family: var(--mono); font-size: 11px; color: var(--faint); letter-spacing: 0.03em; }
.footer-bottom .cr { font-family: var(--mono); font-size: 11px; color: var(--faint); }

/* ============================================================
   reveal util
   ============================================================ */
.reveal { opacity: 0; transform: translateY(26px); }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1120px) {
  .proof-stage { grid-template-columns: 1fr auto; gap: clamp(20px,3vw,46px); }
  .steps-rail { display: none; }
  .meter { justify-self: start; max-width: 300px; }
  .proof-tall { height: 420vh; }
}
@media (max-width: 820px) {
  .proof-stage {
    grid-template-columns: 1fr; justify-items: center; align-content: center;
    gap: 20px; height: 100dvh; overflow: hidden; padding: 72px var(--gutter);
  }
  .meter { justify-self: center; max-width: 290px; width: 100%; }
  .proof-tall { height: 460vh; }
  .phone { width: 226px; height: 462px; }
  .meter-card { padding: 15px 16px 13px; }
  .meter-num { font-size: 42px; margin: 10px 0 2px; }
  .meter-num .u { font-size: 12px; }
  .graph { height: 40px; margin-top: 12px; }
  .meter-foot { margin-top: 12px; }
}
@media (max-width: 900px) {
  body { font-size: 16px; }
  .hero-grid { grid-template-columns: 1fr; gap: 50px; }
  .plate-wrap { max-width: 420px; }
  .how-grid { grid-template-columns: 1fr; }
  .how-cell { min-height: 0; }
  .caps-grid { grid-template-columns: repeat(2,1fr); gap: 36px; }
  .oss-grid { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; gap: 40px; }
  .feat-intro { position: static; }
  .who-list { grid-template-columns: repeat(2,1fr); }
  .who-grid { grid-template-columns: 1fr; gap: 44px; }
  .who-art { justify-content: flex-start; }
  .default-card { grid-template-columns: 1fr; gap: 32px; }
  .dc-right { justify-content: flex-start; }
  .dc-plate { max-width: 200px; }
  .adv-list { grid-template-columns: repeat(2,1fr); gap: 0 28px; }
}
@media (max-width: 760px) {
  .nav-links .menu-link { display: none; }
  .nav { padding: 14px var(--gutter); }
  .hero { padding-top: 130px; }
  .waitlist { flex-direction: column; }
  .waitlist input, .waitlist .btn { width: 100%; }
  .caps-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(40px, 11vw, 60px); }
  .who-list { grid-template-columns: 1fr; }
  .pin-line { white-space: normal; width: 90vw; }
  .adv-list { grid-template-columns: 1fr; }
  .pin-lines { max-width: min(620px, 86vw); }
  .pin-line { max-width: min(620px, 86vw); }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .shimmer { animation: none; }
}

/* ============================================================
   SUPPORT PAGE
   ============================================================ */
.support-hero { padding: clamp(140px, 20vh, 230px) 0 clamp(30px, 5vh, 64px); }
.support-hero h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(46px, 7vw, 92px); line-height: 1.02; letter-spacing: -0.015em;
  margin-top: 20px;
}
.support-lead {
  margin-top: 28px; max-width: 56ch;
  font-size: clamp(17px, 1.4vw, 20px); line-height: 1.62; color: var(--ink-soft);
}

.support-main { padding: clamp(30px, 5vh, 60px) 0 clamp(100px, 14vh, 170px); }
.support-grid {
  display: grid; grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(30px, 5vw, 72px); align-items: start;
}

.support-contact {
  position: sticky; top: clamp(96px, 12vh, 130px);
  background: var(--paper); border: 1px solid var(--line); border-radius: 8px;
  padding: clamp(28px, 3vw, 44px);
  box-shadow: 0 40px 90px -60px rgba(40,36,28,0.5);
}
.sc-tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold-deep); }
.support-contact h2 { font-size: clamp(30px, 3.2vw, 44px); font-weight: 500; line-height: 1.04; margin-top: 14px; }
.sc-desc { color: var(--ink-soft); font-size: 16px; line-height: 1.6; margin-top: 16px; max-width: 42ch; }
.sc-mail {
  display: inline-block; margin-top: 24px;
  font-family: var(--mono); font-size: clamp(15px, 1.6vw, 19px); letter-spacing: 0.01em;
  color: var(--gold-deep); border-bottom: 1px solid rgba(176,136,42,0.4);
  padding-bottom: 3px; transition: color 0.25s, border-color 0.25s;
  word-break: break-all;
}
.sc-mail:hover { color: var(--ink); border-color: var(--ink); }
.sc-meta { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
.sc-meta > span { display: flex; flex-direction: column; gap: 3px; }
.sc-meta b { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); font-weight: 500; }
.sc-meta > span > span:last-child { font-size: 15px; color: var(--ink-soft); }

.support-faq h2 { font-size: clamp(28px, 3vw, 40px); font-weight: 500; margin-bottom: 8px; }
.faq { border-top: 1px solid var(--line); padding: 6px 0; }
.faq:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 20px 36px 20px 0; position: relative;
  font-family: var(--serif); font-size: clamp(19px, 1.8vw, 24px); font-weight: 500; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-family: var(--sans); font-weight: 400; font-size: 24px; color: var(--gold-deep); transition: transform 0.3s;
}
.faq[open] summary::after { content: "–"; }
.faq p { color: var(--muted); font-size: 15.5px; line-height: 1.62; padding: 0 30px 22px 0; max-width: 62ch; }
.faq p a { color: var(--gold-deep); border-bottom: 1px solid rgba(176,136,42,0.35); }
.faq p a:hover { color: var(--ink); border-color: var(--ink); }

@media (max-width: 820px) {
  .support-grid { grid-template-columns: 1fr; gap: 40px; }
  .support-contact { position: static; }
}