/* ─── NgineRoom — marketing site
   Dark theme, green accent, Figtree + DM Mono.
   Organized: tokens → reset → keyframes → layout → ui primitives → sections → responsive
   ────────────────────────────────────────────────────────────── */

:root {
  --bg: oklch(18% 0.014 258);
  --bg2: oklch(13.5% 0.014 258);
  --surf: oklch(22% 0.016 258);
  --surfHi: oklch(26% 0.016 258);

  --line: oklch(30% 0.016 258);
  --lineHi: oklch(42% 0.018 258);

  --tx: oklch(97% 0.004 258);
  --tx2: oklch(79% 0.010 258);
  --tx3: oklch(64% 0.012 258);
  --tx4: oklch(62% 0.012 258);

  --ac: oklch(88% 0.235 145);
  --acDim: oklch(74% 0.20 145);
  --acOn: oklch(19% 0.03 150);

  --rose: oklch(58% 0.16 18);

  --radius-sm: 9px;
  --radius: 16px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  --font: "Figtree", system-ui, sans-serif;
  --mono: "DM Mono", ui-monospace, monospace;

  --shadow: 0 24px 60px oklch(0% 0 0 / 0.40);

  --max: 1240px;
  --gutter: 32px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--tx);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body { overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; -webkit-appearance: none; appearance: none; }
h1, h2, h3, p { margin: 0; }

::selection { background: color-mix(in oklab, var(--ac) 30%, transparent); color: var(--tx); }

/* ─── Keyframes ───────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes blink { 50% { opacity: 0; } }
@keyframes pulse {
  0%, 100% { opacity: 0.5; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}
@keyframes filterIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Layout ──────────────────────────────────────────────────── */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section { padding: 96px 0; position: relative; }
.section-bg2 { background: var(--bg2); }

[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
[data-reveal].in { opacity: 1; transform: translateY(0); }

/* ═══════════════════════════════════════════════════════════════
   UI PRIMITIVES (mirrors components/ui/*)
   ═══════════════════════════════════════════════════════════════ */

/* Button */
.btn {
  border-radius: 10px;
  border: 0;
  font: 600 13.5px var(--font);
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 7px;
  transition: background .15s, color .15s, border-color .15s, box-shadow .15s, transform .1s;
  white-space: nowrap;
}
.btn-md { height: 42px; padding: 0 20px; }
.btn-sm { height: 32px; padding: 0 14px; font-size: 12.5px; }
.btn-primary { background: var(--ac); color: var(--acOn); }
.btn-primary:hover { background: var(--acDim); box-shadow: 0 0 0 6px color-mix(in oklab, var(--ac) 18%, transparent); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost {
  background: transparent; color: var(--tx2);
  border: 1px solid var(--line);
}
.btn-ghost:hover { color: var(--tx); border-color: var(--lineHi); background: var(--surf); }
.btn-icon { display: inline-flex; align-items: center; }

/* Badge */
.badge {
  display: inline-flex; align-items: center; gap: 7px;
  width: fit-content;
  font: 600 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 100px;
  padding: 6px 12px;
  white-space: nowrap;
}
.badge-accent {
  color: var(--ac);
  background: color-mix(in oklab, var(--ac) 12%, transparent);
  border: 1px solid color-mix(in oklab, var(--ac) 30%, transparent);
}
.badge-neutral {
  color: var(--tx3);
  background: var(--surf);
  border: 1px solid var(--line);
}
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; animation: pulse 1.6s ease-in-out infinite; }

/* Card */
.card {
  background: var(--surf);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.card-padded { padding: 28px 26px; }
.card-hoverable:hover { transform: translateY(-2px); border-color: var(--lineHi); box-shadow: var(--shadow); }

/* Icon tile */
.icon-tile {
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.icon-tile-sm { width: 32px; height: 32px; border-radius: 9px; }
.icon-tile-md { width: 42px; height: 42px; border-radius: 11px; }
.icon-tile-lg { width: 52px; height: 52px; border-radius: 12px; }
.icon-tile-accent { background: color-mix(in oklab, var(--ac) 14%, transparent); color: var(--ac); }
.icon-tile-neutral { background: var(--surfHi); color: var(--tx2); }

/* Pill (loop steps) */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  border-radius: 100px;
  background: var(--surf);
  border: 1px solid var(--line);
  font: 500 12.5px var(--mono);
  color: var(--tx2);
}
.pill-active { border-color: color-mix(in oklab, var(--ac) 40%, transparent); color: var(--ac); }
.pill-index { color: var(--tx3); }
.pill-active .pill-index { color: var(--ac); }

/* Section heading */
.section-heading { display: flex; flex-direction: column; gap: 14px; max-width: 680px; margin-bottom: 48px; }
.section-heading-center { align-items: center; text-align: center; margin-left: auto; margin-right: auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  width: fit-content;
  font: 600 11.5px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--ac);
}
.section-h2 {
  font: 700 clamp(34px, 4.2vw, 52px) var(--font);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--tx);
  text-wrap: balance;
}
.section-sub { font-size: 16.5px; line-height: 1.6; color: var(--tx2); max-width: 58ch; text-wrap: pretty; }

/* ═══════════════════════════════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════════════════════════════ */

/* — Nav — */
.nav {
  position: sticky; top: 0; z-index: 100;
  padding: 16px 0;
  background: color-mix(in oklab, var(--bg) 72%, transparent);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, background .2s;
}
.nav.scrolled { border-bottom-color: var(--line); background: color-mix(in oklab, var(--bg) 88%, transparent); }
.nav-inner { display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark {
  width: 30px; height: 30px;
  background: var(--ac);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--acOn); font-weight: 800; font-size: 12px;
}
.brand-name { font-weight: 700; font-size: 15px; letter-spacing: -0.01em; color: var(--tx); }
.nav-links { display: flex; gap: 26px; margin-left: 32px; }
.nav-link { font-size: 13.5px; font-weight: 500; color: var(--tx2); transition: color .15s; }
.nav-link:hover { color: var(--tx); }
.nav-cta-wrap { margin-left: auto; display: flex; align-items: center; gap: 10px; }

/* — Hero — */
.hero { padding: 64px 0 72px; position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute; pointer-events: none; z-index: 0;
  width: 600px; height: 600px;
  top: -220px; right: -180px;
  background: radial-gradient(circle, color-mix(in oklab, var(--ac) 18%, transparent), transparent 65%);
  filter: blur(50px);
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 56px; align-items: center; }
@media (min-width: 980px) { .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 64px; } }
.hero-left { display: flex; flex-direction: column; gap: 22px; animation: fadeUp .7s cubic-bezier(.2,.7,.2,1) both; }
.hero-h1 {
  font: 700 clamp(38px, 5.4vw, 64px) var(--font);
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--tx);
  text-wrap: balance;
}
.hero-sub { font-size: 18px; line-height: 1.6; color: var(--tx2); max-width: 52ch; text-wrap: pretty; }
.hero-ctas { display: flex; gap: 10px; align-items: center; margin-top: 4px; flex-wrap: wrap; }
.hero-trust {
  padding-top: 28px; margin-top: 8px;
  border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 10px;
}
.hero-trust-label { font: 500 11.5px var(--mono); color: var(--tx3); text-transform: uppercase; letter-spacing: 0.06em; }
.hero-trust-logos { font: 500 13.5px var(--font); color: var(--tx3); }

/* — Hero mock card — */
.hero-mock {
  position: relative;
  border-radius: var(--radius-xl);
  background: var(--surf);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
  animation: cardIn .8s cubic-bezier(.2,.7,.2,1) both .15s;
}
.hm-head { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--line); background: var(--bg2); }
.hm-dots { display: flex; gap: 5px; }
.hm-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--surfHi); }
.hm-dot:nth-child(1) { background: oklch(72% 0.13 18); }
.hm-dot:nth-child(2) { background: oklch(78% 0.13 80); }
.hm-dot:nth-child(3) { background: var(--ac); }
.hm-url { font: 500 12px var(--mono); color: var(--tx3); margin-left: 6px; }
.hm-tabs {
  display: flex; gap: 6px; padding: 12px 16px 0;
  overflow-x: auto; scrollbar-width: none;
}
.hm-tabs::-webkit-scrollbar { display: none; }
.hm-tab {
  flex-shrink: 0;
  padding: 6px 12px; border-radius: 100px;
  font: 500 11.5px var(--mono);
  white-space: nowrap;
  color: var(--tx3); background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: all .15s;
}
.hm-tab-active { color: var(--ac); border-color: color-mix(in oklab, var(--ac) 40%, transparent); background: color-mix(in oklab, var(--ac) 10%, transparent); }
.hm-body { padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 16px; }
.hm-prompt { display: flex; align-items: flex-start; gap: 12px; }
.hm-avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--surfHi); color: var(--tx2);
  font: 600 10px var(--mono);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 2px;
}
.hm-bubble { font: 500 14px var(--font); color: var(--tx); line-height: 1.5; flex: 1; min-height: 22px; }
.hm-caret { display: inline-block; width: 2px; height: 16px; background: var(--ac); vertical-align: -3px; margin-left: 1px; animation: blink 0.9s steps(2) infinite; }
.hm-stat-row { display: flex; align-items: baseline; gap: 10px; padding: 16px 18px; background: var(--bg2); border-radius: var(--radius-sm); border: 1px solid var(--line); }
.hm-stat { font: 700 40px/1 var(--mono); letter-spacing: -0.03em; color: var(--tx); font-variant-numeric: tabular-nums; filter: blur(var(--stealth, 0px)); transition: filter .4s; }
.hm-stat-label { font: 500 12.5px var(--font); color: var(--tx3); }
.hm-rows { display: flex; flex-direction: column; gap: 8px; }
.hm-row {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 12px;
  background: color-mix(in oklab, var(--ac) 8%, transparent);
  border: 1px solid color-mix(in oklab, var(--ac) 24%, transparent);
  border-radius: var(--radius-sm);
  font: 500 12.5px var(--mono);
  color: var(--tx);
  animation: filterIn .5s cubic-bezier(.2,.7,.2,1) both;
  filter: blur(var(--stealth, 0px));
  transition: filter .4s;
}
.hm-row:nth-child(2) { animation-delay: .15s; }
.hm-row:nth-child(3) { animation-delay: .30s; }
.hm-row .ico { width: 18px; height: 18px; border-radius: 5px; background: var(--ac); color: var(--acOn); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }

/* — Floating dock — */
.dock {
  position: fixed; top: 74px; right: 22px; z-index: 90;
  display: flex; align-items: center; gap: 8px;
  padding: 6px 6px 6px 14px;
  background: color-mix(in oklab, var(--surf) 88%, transparent);
  border: 1px solid var(--lineHi);
  border-radius: 14px;
  backdrop-filter: blur(14px) saturate(160%);
  box-shadow: 0 12px 40px oklch(0% 0 0 / 0.45);
  opacity: 0; transform: translateY(-12px);
  transition: opacity .25s, transform .25s cubic-bezier(.2,.7,.2,1);
  pointer-events: none;
  max-width: calc(100vw - 32px);
}
.dock-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.dock-label {
  flex-shrink: 0;
  font: 500 10.5px var(--mono);
  color: var(--tx3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}
.dock-tabs {
  display: flex; gap: 4px; align-items: center;
  overflow-x: auto; scrollbar-width: none;
  min-width: 0;
}
.dock-tabs::-webkit-scrollbar { display: none; }
.dock-tab {
  flex-shrink: 0;
  height: 30px; padding: 0 12px; border-radius: 9px;
  font: 600 12.5px var(--font);
  white-space: nowrap;
  color: var(--tx3); background: transparent; border: 0; cursor: pointer;
  transition: background .15s, color .15s;
}
.dock-tab-active { color: var(--acOn); background: var(--ac); }

/* — Problem / generic 3-card grids — */
.grid-3 { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.info-card h3 { font: 600 19px var(--font); color: var(--tx); letter-spacing: -0.015em; margin: 12px 0 8px; }
.info-card p { font-size: 14.5px; line-height: 1.6; color: var(--tx2); text-wrap: pretty; }

/* — What we do — */
.what-example {
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 9px;
  font: 500 12.5px var(--mono);
  color: var(--tx2);
}

/* — How it works (Cognition/Motor + loop) — */
.how-grid { display: grid; gap: 18px; grid-template-columns: 1fr; margin-bottom: 36px; }
@media (min-width: 720px) { .how-grid { grid-template-columns: repeat(2, 1fr); } }
.how-card h3 { font: 700 21px var(--font); color: var(--tx); letter-spacing: -0.015em; margin: 14px 0 8px; }
.how-card p { font-size: 14.5px; line-height: 1.6; color: var(--tx2); }
.loop-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.loop-arrow { color: var(--tx3); font: 500 14px var(--mono); }

/* — Vision — */
.vision-grid { display: grid; gap: 18px; grid-template-columns: 1fr; margin-bottom: 24px; }
@media (min-width: 720px) { .vision-grid { grid-template-columns: repeat(3, 1fr); } }
.vision-num { font: 700 13px var(--mono); color: var(--ac); letter-spacing: 0.04em; }
.vision-card h3 { font: 600 18px var(--font); color: var(--tx); margin: 10px 0 8px; letter-spacing: -0.01em; }
.vision-card p { font-size: 14px; line-height: 1.6; color: var(--tx2); }
.vision-callout {
  padding: 24px 26px;
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--ac) 8%, var(--surf));
  border: 1px solid color-mix(in oklab, var(--ac) 28%, transparent);
  font-size: 16px; line-height: 1.6; color: var(--tx);
}

/* — Verticals — */
.vertical-card h3 { font: 600 18px var(--font); color: var(--tx); margin: 12px 0 8px; letter-spacing: -0.01em; }
.vertical-card p { font-size: 14px; line-height: 1.6; color: var(--tx2); }
.verticals-footnote { margin-top: 24px; font-size: 13.5px; color: var(--tx3); }

/* — Stack — */
.stack-group { margin-bottom: 28px; }
.stack-label { font: 600 11px var(--mono); color: var(--tx3); text-transform: uppercase; letter-spacing: 0.10em; margin-bottom: 14px; }
.stack-grid { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) { .stack-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 960px) { .stack-grid { grid-template-columns: repeat(6, 1fr); } }
.stack-tile { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; padding: 20px 14px; }
.stack-tile-name { font: 600 13px var(--font); color: var(--tx); }
.stack-tile-kind { font: 500 10.5px var(--mono); color: var(--tx3); }

/* — Team — */
.team-grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
.team-avatar { width: 52px; height: 52px; border-radius: 50%; background: var(--surfHi); color: var(--tx2); display: flex; align-items: center; justify-content: center; font: 700 16px var(--mono); margin-bottom: 14px; }
.team-card h3 { font: 600 17px var(--font); color: var(--tx); }
.team-card .team-role { font: 500 12px var(--mono); color: var(--ac); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 2px; }

/* — Waitlist — */
.waitlist-card {
  position: relative; overflow: hidden;
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  background: var(--surf);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 20px; align-items: flex-start;
}
.waitlist-card::before {
  content: "";
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at right, color-mix(in oklab, var(--ac) 14%, transparent), transparent 65%);
}
.waitlist-card > * { position: relative; z-index: 1; }
.waitlist-card h2 { font: 700 clamp(30px, 3.6vw, 44px) var(--font); letter-spacing: -0.03em; line-height: 1.08; max-width: 20ch; color: var(--tx); text-wrap: balance; }
.waitlist-card p { font-size: 16px; line-height: 1.6; color: var(--tx2); max-width: 52ch; }
.waitlist-form { display: flex; gap: 10px; flex-wrap: wrap; width: 100%; max-width: 480px; }
.waitlist-input {
  flex: 1; min-width: 220px;
  height: 46px; padding: 0 16px;
  border-radius: 10px;
  border: 1.5px solid var(--line);
  background: var(--bg2);
  color: var(--tx);
  font: 14.5px var(--font);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.waitlist-input::placeholder { color: var(--tx3); }
.waitlist-input:focus { border-color: var(--ac); box-shadow: 0 0 0 4px color-mix(in oklab, var(--ac) 18%, transparent); }
.waitlist-success { display: flex; align-items: center; gap: 10px; font: 600 15px var(--font); color: var(--ac); }
.waitlist-success .ico { width: 24px; height: 24px; border-radius: 50%; background: var(--ac); color: var(--acOn); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.waitlist-mailto { font: 500 13px var(--mono); color: var(--tx3); }
.waitlist-mailto a { color: var(--tx2); text-decoration: underline; text-underline-offset: 2px; }

/* — Footer — */
.foot { border-top: 1px solid var(--line); padding: 36px 0 40px; background: var(--bg2); }
.foot-row { display: flex; gap: 24px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.foot-left { display: flex; align-items: center; gap: 14px; }
.foot-tag { font: 500 12px var(--mono); color: var(--tx3); }
.foot-links { display: flex; gap: 22px; font-size: 13px; color: var(--tx2); }
.foot-links a:hover { color: var(--tx); }
.foot-copy { font: 500 11.5px var(--mono); color: var(--tx4); }

/* ─── Responsive ──────────────────────────────────────────────── */
@media (max-width: 720px) {
  :root { --gutter: 20px; }
  .nav-links { display: none; }
  .section { padding: 64px 0; }
  .hero { padding: 32px 0 48px; }
  .waitlist-card { padding: 36px 26px; }
  .dock { left: 50%; right: auto; transform: translate(-50%, -12px); }
  .dock-visible { transform: translate(-50%, 0); }
}

@media (max-width: 640px) {
  .dock { padding: 6px; gap: 6px; }
  .dock-label { display: none; }
  .dock-tab { padding: 0 9px; font-size: 11px; }
  .hm-tab { padding: 5px 10px; font-size: 11px; }
}

@media (max-width: 480px) {
  .nav-inner { gap: 12px; }
  .brand-name { font-size: 13.5px; }
  .nav-cta-wrap { gap: 6px; }
  .btn-sm { padding: 0 10px; font-size: 11.5px; }
  .hm-stat { font-size: 32px; }
  .waitlist-form { flex-direction: column; }
  .waitlist-input { min-width: 0; }
  .waitlist-form .btn { width: 100%; justify-content: center; }
  .foot-row { flex-direction: column; align-items: flex-start; gap: 16px; }
}