/* ==========================================================================
   TECHMA ZONE — Design System  ·  "Clarity in Depth"
   Light, premium, performance-first. One object, one story, quiet surfaces.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  color-scheme: light;

  --bg: #F7F9FC;
  --bg-2: #EEF3F9;
  --surface: #FFFFFF;
  --ink: #0B1B33;
  --ink-2: #44546A;
  --ink-3: #7A8797;
  --line: rgba(11, 27, 51, 0.09);
  --line-strong: rgba(11, 27, 51, 0.16);

  --blue: #1D6AC0;
  --blue-deep: #124A8F;
  --blue-soft: #E6F0FB;
  --cyan: #3CC8F5;
  --cyan-soft: #E4F7FD;
  --amber: #FFB820;
  --amber-soft: #FFF4D6;

  --grad-brand: linear-gradient(120deg, #1D6AC0 0%, #3CC8F5 100%);
  --grad-text: linear-gradient(110deg, #124A8F 0%, #1D6AC0 45%, #2BB3E6 100%);

  --shadow-xs: 0 1px 2px rgba(11, 27, 51, 0.04), 0 1px 1px rgba(11, 27, 51, 0.03);
  --shadow-sm: 0 2px 6px rgba(11, 27, 51, 0.05), 0 8px 24px -12px rgba(11, 27, 51, 0.10);
  --shadow-md: 0 4px 12px rgba(11, 27, 51, 0.06), 0 24px 48px -20px rgba(11, 27, 51, 0.18);
  --shadow-lg: 0 8px 20px rgba(11, 27, 51, 0.06), 0 48px 80px -32px rgba(11, 27, 51, 0.28);

  --font-sans: "Geist", "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --font-mono: "Geist Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --fs-display: clamp(2.7rem, 1.6rem + 4vw, 5.4rem);
  --fs-h1: clamp(2.4rem, 1.5rem + 3.2vw, 4.4rem);
  --fs-h2: clamp(1.9rem, 1.3rem + 2.1vw, 3.2rem);
  --fs-h3: clamp(1.2rem, 1.05rem + 0.6vw, 1.55rem);
  --fs-body: 1.0625rem;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --container: 1200px;
  --gutter: clamp(20px, 4vw, 40px);
  --section: clamp(80px, 10vw, 128px);
  --nav-h: 72px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --t-fast: 180ms;
  --t-med: 360ms;
  --t-slow: 700ms;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink-2);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg, video, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
::selection { background: rgba(60, 200, 245, 0.35); color: var(--ink); }

:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }
:focus:not(:focus-visible) { outline: none; }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 2000;
  padding: 10px 16px; background: var(--ink); color: #fff; border-radius: 8px;
  transition: top var(--t-fast);
}
.skip-link:focus { top: 16px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

/* Cross-document view transitions (progressive enhancement) */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: tz-fade-out 220ms var(--ease-in-out) both; }
::view-transition-new(root) { animation: tz-fade-in 320ms var(--ease-out) both; }
@keyframes tz-fade-out { to { opacity: 0; transform: translateY(-6px); } }
@keyframes tz-fade-in { from { opacity: 0; transform: translateY(8px); } }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { color: var(--ink); font-weight: 600; letter-spacing: -0.025em; line-height: 1.08; text-wrap: balance; }
h1 { font-size: var(--fs-h1); letter-spacing: -0.035em; }
h2 { font-size: var(--fs-h2); letter-spacing: -0.03em; }
h3 { font-size: var(--fs-h3); letter-spacing: -0.015em; line-height: 1.25; }
h4 { font-size: 1.05rem; letter-spacing: -0.01em; line-height: 1.35; }
p { text-wrap: pretty; }
.lead { font-size: clamp(1.1rem, 1rem + 0.4vw, 1.3rem); line-height: 1.6; color: var(--ink-2); max-width: 58ch; }
.muted { color: var(--ink-3); }

.accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-right: 0.06em;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--blue);
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--blue); opacity: 0.6; }
.eyebrow--plain::before { display: none; }

.mono { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.02em; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: 880px; }
.section { padding-block: var(--section); position: relative; }
.section--tight { padding-block: calc(var(--section) * 0.6); }
.section-head { max-width: 720px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head .eyebrow { margin-bottom: 18px; }
.section-head h2 { margin-bottom: 16px; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow::before { display: none; }
.section-head--split { max-width: none; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: end; }

.page { position: relative; z-index: 1; }

/* Ambient background: light aurora + faint dot grid */
.ambient {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
  background:
    radial-gradient(60% 50% at 78% 8%, rgba(60, 200, 245, 0.16), transparent 70%),
    radial-gradient(45% 40% at 12% 20%, rgba(29, 106, 192, 0.10), transparent 70%),
    radial-gradient(50% 40% at 60% 100%, rgba(255, 184, 32, 0.06), transparent 70%);
}
.ambient::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(11, 27, 51, 0.10) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(70% 55% at 50% 30%, #000 20%, transparent 100%);
  mask-image: radial-gradient(70% 55% at 50% 30%, #000 20%, transparent 100%);
  opacity: 0.55;
}

#scene { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
#scene canvas { width: 100% !important; height: 100% !important; }

/* Scroll progress */
.progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 100%; z-index: 1200;
  transform-origin: left; transform: scaleX(0);
  background: var(--grad-brand); pointer-events: none;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background-color var(--t-med), box-shadow var(--t-med), border-color var(--t-med);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(247, 249, 252, 0.78);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom-color: var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: inline-flex; align-items: center; color: var(--ink); }
.brand img { height: 42px; width: auto; display: block; }
.footer .brand img { height: 46px; }
.brand__word { font-weight: 600; font-size: 1.22rem; letter-spacing: -0.03em; line-height: 1; }
.brand__word span { color: var(--blue); }

.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative; display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 14px; border-radius: 999px;
  font-size: 0.93rem; font-weight: 500; color: var(--ink-2);
  transition: color var(--t-fast), background-color var(--t-fast);
}
.nav__link:hover, .nav__link[aria-expanded="true"] { color: var(--ink); background: rgba(11, 27, 51, 0.05); }
.nav__link.is-active { color: var(--ink); }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2px; border-radius: 2px;
  background: var(--grad-brand);
}
.nav__link svg { width: 14px; height: 14px; transition: transform var(--t-fast); }
.nav__link[aria-expanded="true"] svg { transform: rotate(180deg); }

.nav__cta { display: inline-flex; }
.nav__toggle { display: none; width: 44px; height: 44px; border-radius: 12px; flex-direction: column; align-items: center; justify-content: center; color: var(--ink); }
.nav__toggle span { display: block; width: 20px; height: 2px; background: currentColor; border-radius: 2px; transition: transform var(--t-med), opacity var(--t-med); }
.nav__toggle span + span { margin-top: 5px; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Services mega menu */
.menu { position: relative; }
.menu__panel {
  position: absolute; top: calc(100% + 12px); left: 50%; transform: translate(-50%, -8px) scale(0.98);
  width: min(940px, calc(100vw - 32px));
  padding: 20px 20px 12px;
  background: rgba(255, 255, 255, 0.94);
  -webkit-backdrop-filter: blur(20px) saturate(1.4); backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity var(--t-med) var(--ease-out), transform var(--t-med) var(--ease-out), visibility var(--t-med);
}
.menu.is-open .menu__panel { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0) scale(1); }
.menu__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 12px; }
.menu__col { display: grid; gap: 2px; align-content: start; }
.menu__col + .menu__col { border-left: 1px solid var(--line); padding-left: 12px; }
.menu__col h5 { font-family: var(--font-mono); font-size: 0.66rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); padding: 4px 12px 10px; }
.menu__item { display: grid; grid-template-columns: 36px 1fr 14px; gap: 12px; align-items: center; padding: 10px 12px; border-radius: 12px; transition: background-color var(--t-fast); }
.menu__item:hover { background: var(--bg-2); }
.menu__icon { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue); transition: background-color var(--t-fast), color var(--t-fast); }
.menu__icon svg { width: 18px; height: 18px; }
.menu__item:hover .menu__icon { background: var(--ink); color: #fff; }
.menu__text { min-width: 0; }
.menu__item strong { display: block; color: var(--ink); font-weight: 600; font-size: 0.92rem; letter-spacing: -0.01em; line-height: 1.25; }
.menu__item .menu__text span { display: block; font-size: 0.79rem; color: var(--ink-3); line-height: 1.4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.menu__go { width: 14px; height: 14px; color: var(--blue); opacity: 0; transform: translateX(-4px); transition: opacity var(--t-fast), transform var(--t-fast); }
.menu__go svg { width: 14px; height: 14px; }
.menu__item:hover .menu__go { opacity: 1; transform: none; }
.menu__foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 12px 4px; border-top: 1px solid var(--line); margin-top: 12px; font-size: 0.84rem; color: var(--ink-3); }
.menu__foot a { display: inline-flex; align-items: center; gap: 6px; color: var(--blue); font-weight: 500; }
.menu__foot a svg { width: 14px; height: 14px; }

/* Mobile drawer */
.drawer {
  position: fixed; inset: 0; z-index: 990; background: var(--bg);
  padding: calc(var(--nav-h) + 24px) var(--gutter) 40px;
  display: flex; flex-direction: column; gap: 6px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity var(--t-med), transform var(--t-med) var(--ease-out), visibility var(--t-med);
  overflow-y: auto;
}
.drawer.is-open { opacity: 1; visibility: visible; transform: none; }
.drawer > a:not(.btn) { display: block; padding: 14px 4px; font-size: 1.5rem; font-weight: 600; letter-spacing: -0.025em; color: var(--ink); border-bottom: 1px solid var(--line); }
.drawer__group { padding: 14px 4px 4px; border-bottom: 1px solid var(--line); }
.drawer__group .eyebrow { margin-bottom: 6px; }
.drawer__group a { display: block; font-size: 1.05rem; font-weight: 500; padding: 9px 4px; color: var(--ink-2); }
.drawer .btn { margin-top: 20px; justify-content: center; }

/* ---------- Buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px; border-radius: 999px;
  font-weight: 500; font-size: 0.95rem; letter-spacing: -0.005em; line-height: 1;
  border: 1px solid transparent; white-space: nowrap;
  transition: transform var(--t-med) var(--ease-out), background-color var(--t-fast), color var(--t-fast), box-shadow var(--t-med), border-color var(--t-fast);
  will-change: transform;
}
.btn svg { width: 16px; height: 16px; transition: transform var(--t-med) var(--ease-out); }
.btn:hover svg { transform: translateX(3px); }
.btn--primary { background: var(--ink); color: #fff; box-shadow: 0 1px 0 rgba(255,255,255,0.12) inset, var(--shadow-sm); }
.btn--primary:hover { background: var(--blue); box-shadow: 0 10px 30px -10px rgba(29, 106, 192, 0.55); }
.btn--secondary { background: var(--surface); color: var(--ink); border-color: var(--line-strong); box-shadow: var(--shadow-xs); }
.btn--secondary:hover { border-color: var(--ink); }
.btn--ghost { padding-inline: 6px; color: var(--blue); }
.btn--ghost:hover { color: var(--blue-deep); }
.btn--sm { padding: 10px 18px; font-size: 0.88rem; }
.btn--lg { padding: 17px 30px; font-size: 1rem; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.6; pointer-events: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* ---------- Cards ---------- */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--t-slow) var(--ease-out), box-shadow var(--t-slow) var(--ease-out), border-color var(--t-med);
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(60, 200, 245, 0.16), transparent 45%);
  opacity: 0; transition: opacity var(--t-med);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(29, 106, 192, 0.22); }
.card:hover::before { opacity: 1; }
.card > * { position: relative; }

.icon-tile { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue); flex: none; }
.icon-tile svg { width: 22px; height: 22px; }
.icon-tile--cyan { background: var(--cyan-soft); color: #128FBE; }
.icon-tile--amber { background: var(--amber-soft); color: #B87800; }

/* ---------- Hero (home) ---------- */
.hero { position: relative; min-height: 100svh; display: grid; align-items: center; padding-top: calc(var(--nav-h) + 40px); padding-bottom: 56px; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 32px; align-items: center; }
.hero__copy { max-width: 620px; }
.hero__copy .eyebrow { margin-bottom: 26px; }
.hero__title { font-size: var(--fs-display); line-height: 1.0; letter-spacing: -0.04em; margin-bottom: 26px; }
.hero__lead { margin-bottom: 36px; }
.hero__stage { position: relative; min-height: 420px; }
.hero__fallback { position: absolute; inset: 0; display: none; align-items: center; justify-content: center; }
.hero__fallback svg { width: min(100%, 480px); height: auto; animation: tz-float 8s ease-in-out infinite; }
html.no-webgl .hero__fallback { display: flex; }
@keyframes tz-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.hero__meta { display: flex; flex-wrap: wrap; gap: 28px 40px; margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--line); }
.hero__meta div { display: grid; gap: 2px; }
.hero__meta strong { font-size: 1.55rem; font-weight: 600; letter-spacing: -0.03em; color: var(--ink); line-height: 1; font-variant-numeric: tabular-nums; }
.hero__meta span { font-size: 0.8rem; color: var(--ink-3); letter-spacing: 0.02em; }

.scroll-cue {
  position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-3);
}
.scroll-cue i { width: 1px; height: 36px; background: linear-gradient(var(--blue), transparent); animation: tz-cue 2.2s ease-in-out infinite; transform-origin: top; }
@keyframes tz-cue { 0% { transform: scaleY(0); opacity: 0; } 40% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1) translateY(12px); opacity: 0; } }

/* Load-in choreography */
.intro > * { opacity: 0; transform: translateY(18px); animation: tz-in 900ms var(--ease-out) forwards; }
.intro > *:nth-child(1) { animation-delay: 80ms; }
.intro > *:nth-child(2) { animation-delay: 180ms; }
.intro > *:nth-child(3) { animation-delay: 300ms; }
.intro > *:nth-child(4) { animation-delay: 420ms; }
.intro > *:nth-child(5) { animation-delay: 560ms; }
@keyframes tz-in { to { opacity: 1; transform: none; } }

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--line); padding: 18px 0; background: rgba(255, 255, 255, 0.5); }
.marquee__track { display: flex; gap: 56px; width: max-content; animation: tz-marquee 42s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track span { display: inline-flex; align-items: center; gap: 14px; font-size: 0.9rem; font-weight: 500; color: var(--ink-3); white-space: nowrap; letter-spacing: 0.01em; }
.marquee__track span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); }
@keyframes tz-marquee { to { transform: translateX(-50%); } }

/* ---------- Bento (services) ---------- */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.bento__item { padding: 30px; display: flex; flex-direction: column; gap: 14px; min-height: 280px; grid-column: span 2; }
.bento__item--wide { grid-column: span 4; }
.bento__item h3 { margin-top: 4px; }
.bento__item p { font-size: 0.97rem; color: var(--ink-2); }
.idx { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-3); letter-spacing: 0.1em; }
.bento__top { display: flex; align-items: center; justify-content: space-between; }
.bento__link { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; font-weight: 500; color: var(--blue); font-size: 0.92rem; padding-top: 6px; }
.bento__link svg { width: 15px; height: 15px; transition: transform var(--t-med) var(--ease-out); }
.bento__item:hover .bento__link svg { transform: translateX(4px); }
.bento__art { margin-top: 6px; border-radius: 14px; background: linear-gradient(180deg, #F3F7FC, #fff); border: 1px solid var(--line); overflow: hidden; }
.bento__art svg { width: 100%; height: auto; }
.bento__body { flex: 1; display: grid; grid-template-columns: 1fr 1.05fr; gap: 28px; align-items: stretch; }
.bento__copy { display: flex; flex-direction: column; gap: 14px; }
.bento__copy .chips { margin-top: 2px; }
.bento__copy .bento__link { margin-top: auto; }
.bento__item--wide .bento__art { margin: 0; height: 100%; min-height: 220px; display: grid; place-items: center; }
.bento__item--wide .bento__art svg { width: 100%; height: 100%; }
.bento__item--cta { background: linear-gradient(135deg, #0B1B33 0%, #12305C 100%); border-color: transparent; color: rgba(255, 255, 255, 0.78); justify-content: center; }
.bento__item--cta .eyebrow { color: var(--cyan); }
.bento__item--cta h3 { color: #fff; }
.bento__item--cta p { color: rgba(255, 255, 255, 0.78); }
.bento__item--cta .bento__link { color: var(--cyan); }
.bento__item--cta::before { background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(60, 200, 245, 0.28), transparent 45%); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; padding: 6px 11px; border-radius: 999px; font-size: 0.78rem; font-weight: 500; color: var(--ink-2); background: var(--bg-2); border: 1px solid var(--line); }

/* ---------- Story (sticky scroll) ---------- */
.story__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.story__sticky { position: sticky; top: calc(var(--nav-h) + 40px); }
.story__sticky h2 { margin: 18px 0 18px; }
.story__steps { display: grid; gap: 22vh; padding-block: 26vh 34vh; }
.story__step {
  padding: 28px 30px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: rgba(255, 255, 255, 0.72);
  display: grid; grid-template-columns: 48px 1fr; gap: 18px; align-items: start;
  opacity: 0.45; transform: translateX(10px) scale(0.985);
  transition: opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out), box-shadow var(--t-slow), border-color var(--t-slow), background-color var(--t-slow);
}
.story__step.is-active { opacity: 1; transform: none; background: #fff; border-color: rgba(29, 106, 192, 0.25); box-shadow: var(--shadow-md); }
.story__num { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; font-family: var(--font-mono); font-size: 0.8rem; font-weight: 500; color: var(--blue); background: var(--blue-soft); transition: background-color var(--t-med), color var(--t-med); }
.story__step.is-active .story__num { background: var(--ink); color: #fff; }
.story__step h3 { margin-bottom: 6px; }
.story__step p { font-size: 0.97rem; }
.story__meter { display: flex; gap: 6px; margin-top: 26px; max-width: 320px; }
.story__meter i { height: 3px; flex: 1; border-radius: 3px; background: var(--line-strong); overflow: hidden; position: relative; }
.story__meter i::after { content: ""; position: absolute; inset: 0; background: var(--grad-brand); transform: scaleX(0); transform-origin: left; transition: transform var(--t-slow) var(--ease-out); }
.story__meter i.is-on::after { transform: scaleX(1); }
.story__caption { margin-top: 22px; font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); display: flex; gap: 10px; align-items: center; }
.story__caption b { color: var(--ink); font-weight: 500; }

/* ---------- Feature grid ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature { padding: 28px; display: grid; gap: 14px; align-content: start; }
.feature h4 { font-size: 1.08rem; }
.feature p { font-size: 0.95rem; }
.feature__top { display: flex; align-items: center; justify-content: space-between; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); overflow: hidden; box-shadow: var(--shadow-sm); }
.stat { padding: 34px 28px; display: grid; gap: 6px; position: relative; }
.stat + .stat::before { content: ""; position: absolute; left: 0; top: 24px; bottom: 24px; width: 1px; background: var(--line); }
.stat strong { font-size: clamp(2rem, 1.6rem + 1.6vw, 3.1rem); font-weight: 600; letter-spacing: -0.04em; line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums; }
.stat span { font-size: 0.85rem; color: var(--ink-3); }

/* ---------- CTA ---------- */
.cta {
  position: relative; overflow: hidden;
  border-radius: var(--radius-xl); padding: clamp(48px, 7vw, 88px) clamp(28px, 6vw, 80px);
  background: linear-gradient(135deg, #0B1B33 0%, #10305C 55%, #1D6AC0 130%);
  color: #fff; box-shadow: var(--shadow-lg);
}
.cta::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(60% 80% at 90% 10%, rgba(60, 200, 245, 0.35), transparent 60%), radial-gradient(40% 60% at 10% 100%, rgba(255, 184, 32, 0.18), transparent 60%);
}
.cta::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.35;
  background-image: radial-gradient(rgba(255, 255, 255, 0.35) 1px, transparent 1px); background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(60% 80% at 80% 50%, #000, transparent); mask-image: radial-gradient(60% 80% at 80% 50%, #000, transparent);
}
.cta__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; }
.cta h2 { color: #fff; margin-bottom: 14px; }
.cta p { color: rgba(255, 255, 255, 0.78); max-width: 52ch; }
.cta .eyebrow { color: var(--cyan); margin-bottom: 18px; }
.cta .eyebrow::before { background: var(--cyan); }
.cta .btn-row { justify-content: flex-end; }
.cta .btn--primary { background: #fff; color: var(--ink); }
.cta .btn--primary:hover { background: var(--cyan); color: var(--ink); }
.cta .btn--secondary { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.35); }
.cta .btn--secondary:hover { border-color: #fff; }

/* ---------- Footer ---------- */
.footer { position: relative; z-index: 1; border-top: 1px solid var(--line); background: #fff; padding: 64px 0 28px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; margin-bottom: 48px; }
.footer__brand p { max-width: 36ch; margin-top: 16px; font-size: 0.95rem; color: var(--ink-3); }
.footer h4 { font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; margin-bottom: 16px; font-family: var(--font-mono); }
.footer__col a { display: block; padding: 5px 0; font-size: 0.95rem; color: var(--ink-2); transition: color var(--t-fast), transform var(--t-fast); }
.footer__col a:hover { color: var(--blue); transform: translateX(2px); }
.footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 0.82rem; color: var(--ink-3); }
.footer__status { display: inline-flex; align-items: center; gap: 8px; }
.footer__status i { width: 7px; height: 7px; border-radius: 50%; background: #22C55E; box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18); }

/* ---------- Inner page hero ---------- */
.page-hero { position: relative; padding-top: calc(var(--nav-h) + clamp(56px, 9vw, 120px)); padding-bottom: clamp(40px, 6vw, 72px); }
.page-hero__grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 32px; align-items: center; }
.page-hero .eyebrow { margin-bottom: 22px; }
.page-hero h1 { margin-bottom: 22px; }
.page-hero .lead { margin-bottom: 30px; }
.page-hero--center { text-align: center; }
.page-hero--center .lead { margin-inline: auto; }
.page-hero--center .eyebrow::before { display: none; }
.page-hero--center .btn-row { justify-content: center; }
.object-stage { position: relative; aspect-ratio: 1 / 0.9; min-height: 320px; max-height: 560px; }
.object-stage canvas { position: absolute; inset: 0; }
.object-stage__fallback { position: absolute; inset: 0; display: none; align-items: center; justify-content: center; }
.object-stage__fallback svg { width: min(100%, 420px); height: auto; }
html.no-webgl .object-stage__fallback { display: flex; }

.breadcrumb { display: inline-flex; gap: 8px; align-items: center; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 22px; }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb i { width: 14px; height: 1px; background: var(--line-strong); }

/* ---------- Two-column content ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.split--reverse > :first-child { order: 2; }
.split .eyebrow { margin-bottom: 18px; }
.split h2 { margin-bottom: 18px; }
.split p + p { margin-top: 14px; }
.visual { border-radius: var(--radius-lg); border: 1px solid var(--line); background: linear-gradient(180deg, #fff, var(--bg-2)); box-shadow: var(--shadow-sm); padding: 28px; overflow: hidden; }
.visual svg { width: 100%; height: auto; }

/* ---------- Service list (services page) ---------- */
.service-rows { display: grid; gap: 14px; }
.service-row { display: grid; grid-template-columns: 80px 1.1fr 1fr auto; gap: 28px; align-items: center; padding: 30px 32px; }
.service-row h3 { margin-bottom: 8px; }
.service-row p { font-size: 0.95rem; }
.service-row .arrow { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-strong); display: grid; place-items: center; color: var(--ink); transition: background-color var(--t-fast), color var(--t-fast), border-color var(--t-fast); }
.service-row .arrow svg { width: 18px; height: 18px; }
.service-row:hover .arrow { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------- Capabilities / use cases ---------- */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.cap { padding: 24px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); display: grid; gap: 8px; align-content: start; transition: border-color var(--t-fast), transform var(--t-med) var(--ease-out), box-shadow var(--t-med); }
.cap:hover { border-color: rgba(29, 106, 192, 0.3); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.cap h4 { display: flex; align-items: center; gap: 10px; }
.cap h4::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--grad-brand); flex: none; transform: rotate(45deg); }
.cap p { font-size: 0.92rem; }

.usecases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.usecase { padding: 30px; display: grid; gap: 10px; align-content: start; }
.usecase .idx { color: var(--blue); }
.usecase p { font-size: 0.95rem; }

/* ---------- Process (horizontal) ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; }
.process::before { content: ""; position: absolute; left: 6%; right: 6%; top: 26px; height: 1px; background: var(--line-strong); }
.step { position: relative; display: grid; gap: 12px; align-content: start; }
.step__dot { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; background: #fff; border: 1px solid var(--line-strong); font-family: var(--font-mono); font-size: 0.8rem; color: var(--blue); box-shadow: var(--shadow-xs); position: relative; }
.step h4 { margin-top: 8px; }
.step p { font-size: 0.93rem; }

/* ---------- Team ---------- */
.team { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.person { padding: 28px; display: grid; gap: 10px; align-content: start; }
.person__avatar { width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center; font-weight: 600; letter-spacing: -0.02em; color: #fff; background: var(--grad-brand); font-size: 1.1rem; }
.person__avatar--photo { width: 100%; height: 220px; border-radius: 16px; background: var(--bg-2); overflow: hidden; }
.person__avatar--photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; display: block; }
.person--lead { border-color: rgba(255, 184, 32, 0.45); }
.founder { display: grid; grid-template-columns: 300px 1fr; gap: clamp(24px, 4vw, 48px); align-items: center; padding: 28px; max-width: 960px; }
.founder__photo { border-radius: 18px; overflow: hidden; background: var(--bg-2); aspect-ratio: 4 / 5; }
.founder__photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 15%; display: block; }
.founder__body { display: grid; gap: 12px; }
.founder__body h3 { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); }
.founder__body .role { font-size: 0.88rem; color: var(--blue); font-weight: 500; }
.founder__body p { font-size: 1rem; }
.founder__body .chips { margin-top: 6px; }
.person h4 { margin-top: 8px; }
.person .role { font-size: 0.82rem; color: var(--blue); font-weight: 500; }
.person p { font-size: 0.92rem; }

/* ---------- Timeline ---------- */
.timeline { position: relative; display: grid; max-width: 760px; }
.timeline::before { content: ""; position: absolute; left: 11px; top: 8px; bottom: 8px; width: 1px; background: var(--line-strong); }
.timeline__line { position: absolute; left: 11px; top: 8px; width: 1px; height: 0; background: var(--grad-brand); transition: height 1200ms var(--ease-out); }
.timeline.is-in .timeline__line { height: calc(100% - 16px); }
.tl { position: relative; padding: 0 0 36px 44px; }
.tl::before { content: ""; position: absolute; left: 6px; top: 7px; width: 11px; height: 11px; border-radius: 50%; background: #fff; border: 2px solid var(--blue); box-shadow: 0 0 0 4px #fff; }
.tl .year { font-family: var(--font-mono); font-size: 0.78rem; color: var(--blue); letter-spacing: 0.1em; }
.tl h4 { margin: 4px 0 6px; }
.tl p { font-size: 0.95rem; }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.form { padding: 34px; display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 0.82rem; font-weight: 500; color: var(--ink); letter-spacing: 0.01em; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border-radius: 12px; border: 1px solid var(--line-strong); background: #fff;
  font: inherit; font-size: 0.95rem; color: var(--ink); transition: border-color var(--t-fast), box-shadow var(--t-fast);
  appearance: none; -webkit-appearance: none;
}
.field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2344546A' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(29, 106, 192, 0.14); }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #DC2626; }
.field .hint { font-size: 0.78rem; color: #DC2626; min-height: 1em; }
.form__note { font-size: 0.82rem; color: var(--ink-3); }
.form__status { font-size: 0.9rem; color: var(--ink); padding: 12px 14px; border-radius: 10px; background: var(--cyan-soft); display: none; }
.form__status.is-visible { display: block; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }

.info-list { display: grid; gap: 12px; }
.info { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: center; padding: 18px 20px; }
.info h4 { font-size: 0.95rem; margin-bottom: 2px; }
.info p { font-size: 0.9rem; color: var(--ink-3); }
.info a:hover { color: var(--blue); }

/* ---------- Reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out); transition-delay: calc(var(--i, 0) * 70ms); }
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal="fade"] { transform: none; }
[data-reveal="scale"] { transform: scale(0.96); }
html.no-js [data-reveal] { opacity: 1; transform: none; }

/* ---------- Motion & device adaptations ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .intro > * { opacity: 1; transform: none; }
  .marquee__track { animation: none; }
  .card:hover { transform: none; }
}
@media (max-height: 760px) { .scroll-cue { display: none; } }
@media (hover: none) {
  .card::before { display: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento__item { grid-column: span 1; }
  .bento__item--wide { grid-column: span 2; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .team { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .service-row { grid-template-columns: 56px 1fr auto; }
  .service-row > p { grid-column: 2; }
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .process::before { display: none; }
  .section-head--split { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  :root { --nav-h: 64px; }
  .brand img { height: 34px; }
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: inline-flex; }
  .hero { min-height: auto; padding-top: calc(var(--nav-h) + 24px); }
  .hero__grid { grid-template-columns: 1fr; gap: 8px; }
  .hero__stage { order: -1; min-height: 300px; height: 42svh; }
  .hero__copy { max-width: none; }
  .hero__title { font-size: clamp(2.4rem, 9vw, 3.6rem); }
  .scroll-cue { display: none; }
  .hero__meta { gap: 20px 28px; margin-top: 40px; }
  .page-hero__grid { grid-template-columns: 1fr; }
  .page-hero__grid .object-stage { order: -1; min-height: 260px; max-height: 340px; aspect-ratio: auto; height: 36svh; }
  .split, .split--reverse { grid-template-columns: 1fr; }
  .split--reverse > :first-child { order: 0; }
  .story__grid { grid-template-columns: 1fr; gap: 24px; }
  .story__sticky { position: relative; top: auto; }
  .story__steps { padding-block: 0; }
  .story__step { opacity: 1; transform: none; }
  .cta__inner { grid-template-columns: 1fr; }
  .cta .btn-row { justify-content: flex-start; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat + .stat::before { display: none; }
  .stat:nth-child(even)::before { content: ""; position: absolute; left: 0; top: 24px; bottom: 24px; width: 1px; background: var(--line); }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .contact { grid-template-columns: 1fr; }
  .founder { grid-template-columns: 1fr; }
  .founder__photo { max-width: 320px; }
  .usecases { grid-template-columns: 1fr; }
  .bento__body { grid-template-columns: 1fr; }
  .bento__item--wide .bento__art { height: auto; min-height: 0; }
  .bento__item--wide .bento__art svg { height: auto; }
}
@media (max-width: 640px) {
  .bento { grid-template-columns: 1fr; }
  .bento__item--wide { grid-column: span 1; }
  .features, .team, .cap-grid, .process, .footer__grid { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .form { padding: 24px; }
  .service-row { grid-template-columns: 1fr; gap: 12px; padding: 24px; }
  .service-row > p { grid-column: 1; }
  .service-row .arrow { display: none; }
  .stats { grid-template-columns: 1fr; }
  .stat:nth-child(even)::before { display: none; }
  .stat:nth-child(n+2) { border-top: 1px solid var(--line); }
  .btn-row .btn { flex: 1 1 auto; }
  .hero__meta strong { font-size: 1.35rem; }
}