/* ============ Tokens ============ */
:root {
  --bg: #05060a;
  --bg-2: #0b0d16;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-2: rgba(255, 255, 255, 0.16);
  --text: #eef0f7;
  --muted: #9aa0b4;
  --violet: #7c5cff;
  --cyan: #22d3ee;
  --pink: #f472b6;
  --grad: linear-gradient(100deg, #a5b4fc 0%, #818cf8 40%, #67e8f9 100%);
  --radius: 14px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body.loading { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.08; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
::selection { background: var(--violet); color: #fff; }

.container { width: min(1200px, 100% - 32px); margin-inline: auto; }

/* ============ Background layers ============ */
#webgl {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  display: block;
}
.no-webgl #webgl { display: none; }
.no-webgl body, body.no-webgl {
  background:
    radial-gradient(60% 50% at 75% 30%, rgba(124, 92, 255, 0.35), transparent 60%),
    radial-gradient(50% 40% at 20% 80%, rgba(34, 211, 238, 0.2), transparent 60%),
    var(--bg);
}

main, .footer, .nav { position: relative; z-index: 2; }

/* ============ Loader ============ */
.loader {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-content: center; gap: 20px;
  background: var(--bg);
  transition: opacity 0.8s var(--ease), visibility 0.8s;
}
.loader.done { opacity: 0; visibility: hidden; }
.loader__logo { font-family: var(--font-display); font-size: 28px; font-weight: 700; color: var(--muted); }
.loader__logo span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.loader__bar { width: 200px; height: 2px; background: var(--border); border-radius: 2px; overflow: hidden; margin-inline: auto; }
.loader__bar i { display: block; height: 100%; width: 40%; background: var(--grad); animation: load 1.1s var(--ease) infinite; }
@keyframes load { from { transform: translateX(-100%); } to { transform: translateX(250%); } }

/* ============ Common ============ */
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: #a5b4fc;
}
.dot { width: 24px; height: 1px; background: currentColor; opacity: 0.7; }

.btn {
  --mx: 0px; --my: 0px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px;
  border-radius: 10px;
  font: 600 15px/1 var(--font-body);
  border: 1px solid transparent;
  cursor: pointer;
  transform: translate(var(--mx), var(--my));
  transition: transform 0.35s var(--ease), box-shadow 0.35s, background 0.3s, border-color 0.3s;
  white-space: nowrap;
}
.btn--primary {
  color: #fff;
  background: #4f46e5;
  box-shadow: 0 8px 24px -12px rgba(79, 70, 229, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}
.btn--primary:hover { background: #5b54f0; box-shadow: 0 12px 28px -12px rgba(79, 70, 229, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.2); }
.btn--ghost { color: var(--text); border-color: var(--border-2); background: var(--surface); backdrop-filter: blur(10px); }
.btn--ghost:hover { border-color: rgba(255, 255, 255, 0.35); background: var(--surface-2); }
.btn--sm { padding: 10px 18px; font-size: 14px; border-radius: 8px; }
.btn--block { width: 100%; }
.btn:focus-visible, a:focus-visible, button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ============ Nav ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px max(16px, calc((100% - 1200px) / 2));
  transition: padding 0.4s var(--ease), background 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  padding-top: 12px; padding-bottom: 12px;
  background: rgba(5, 6, 10, 0.65);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--border);
}
.logo { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 20px; font-weight: 500; }
.logo b { font-weight: 700; }
.logo__mark {
  display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 11px;
  font-size: 14px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  box-shadow: 0 6px 20px -6px rgba(124, 92, 255, 0.8);
}
.nav__links { display: flex; align-items: center; gap: 32px; }
.nav__links a:not(.btn) { font-size: 15px; color: var(--muted); position: relative; transition: color 0.25s; }
.nav__links a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 100%;
  background: var(--grad); transform: scaleX(0); transform-origin: right; transition: transform 0.4s var(--ease);
}
.nav__links a:not(.btn):hover { color: var(--text); }
.nav__links a:not(.btn):hover::after { transform: scaleX(1); transform-origin: left; }
.nav__toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--border-2); border-radius: 12px; background: var(--surface); cursor: pointer; position: relative; }
.nav__toggle span { position: absolute; left: 12px; right: 12px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.35s var(--ease); }
.nav__toggle span:first-child { top: 16px; }
.nav__toggle span:last-child { top: 25px; }
.nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }

/* ============ Hero ============ */
.hero { min-height: 100vh; min-height: 100svh; display: flex; align-items: center; position: relative; padding: 120px 0 80px; }
.hero__inner { display: flex; flex-direction: column; align-items: flex-start; gap: 28px; }
.hero__title { font-size: clamp(40px, 6vw, 80px); font-weight: 600; max-width: 14ch; letter-spacing: -0.03em; }
.hero__sub { font-size: clamp(16px, 1.3vw, 18px); color: var(--muted); max-width: 560px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero .reveal:nth-child(2) { transition-delay: 0.1s; }
.hero .reveal:nth-child(3) { transition-delay: 0.2s; }
.hero .reveal:nth-child(4) { transition-delay: 0.3s; }

.scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
}
.scroll-hint__mouse { width: 24px; height: 38px; border: 2px solid var(--border-2); border-radius: 14px; position: relative; }
.scroll-hint__mouse i { position: absolute; top: 7px; left: 50%; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--cyan); animation: wheel 1.8s infinite; }
@keyframes wheel { 0% { opacity: 0; transform: translateY(-3px); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(12px); } }

/* ============ Stats ============ */
.stats { padding: 40px 0 20px; }
.stats__grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border); border-radius: var(--radius);
  background: rgba(11, 13, 22, 0.55); backdrop-filter: blur(14px);
  overflow: hidden;
}
.stat { padding: 34px 24px; text-align: center; border-right: 1px solid var(--border); }
.stat:last-child { border-right: 0; }
.stat strong { display: block; font-family: var(--font-display); font-size: clamp(32px, 3.6vw, 46px); font-weight: 600; color: var(--text); }
.stat span { color: var(--muted); font-size: 14px; }
.stat:nth-child(2) { transition-delay: 0.08s; }
.stat:nth-child(3) { transition-delay: 0.16s; }
.stat:nth-child(4) { transition-delay: 0.24s; }

/* ============ Sections ============ */
.section { padding: clamp(90px, 12vw, 160px) 0; }
.section--tight { padding-bottom: clamp(60px, 8vw, 100px); }
.section__head { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; margin-bottom: 56px; max-width: 720px; }
.section__head h2 { font-size: clamp(32px, 4.2vw, 52px); font-weight: 600; }
.section__head p:not(.eyebrow) { color: var(--muted); font-size: 18px; }

/* ============ Product ============ */
.product {
  display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(32px, 5vw, 72px); align-items: start;
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid var(--border); border-radius: 20px;
  background: radial-gradient(60% 80% at 100% 0%, rgba(34, 211, 238, 0.08), transparent 60%), rgba(11, 13, 22, 0.7);
  backdrop-filter: blur(18px);
}
.product__text { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; }
.product__text h2 { font-size: clamp(32px, 4.2vw, 52px); font-weight: 600; }
.product__text > p:not(.eyebrow) { color: var(--muted); font-size: 16px; }
.product__text > p.product__lead { color: var(--text); font-size: 18px; }
.product__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }
.product__apps { list-style: none; padding: 0; margin: 6px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.product__apps li { font-size: 13px; padding: 5px 11px; border-radius: 6px; border: 1px solid var(--border); color: var(--muted); background: var(--surface); }
.features { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.features li { padding: 20px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.features h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.features p { color: var(--muted); font-size: 14px; line-height: 1.5; }

/* ============ Service cards ============ */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; perspective: 1200px; }
.card {
  --rx: 0deg; --ry: 0deg; --gx: 50%; --gy: 50%;
  position: relative;
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015)), rgba(11, 13, 22, 0.6);
  backdrop-filter: blur(14px);
  transform-style: preserve-3d;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(400px circle at var(--gx) var(--gy), rgba(124, 92, 255, 0.08), transparent 45%);
  opacity: 0; transition: opacity 0.4s;
}
.card:hover::before { opacity: 1; }
.card:hover { border-color: rgba(165, 180, 252, 0.3); }
.card > * { transform: translateZ(10px); }
.card__icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.25), rgba(34, 211, 238, 0.15));
  border: 1px solid rgba(124, 92, 255, 0.35);
  margin-bottom: 24px;
}
.card__icon svg { width: 24px; height: 24px; fill: none; stroke: #c4b5fd; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 22px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; }
.tags { list-style: none; padding: 0; margin: 20px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { font-size: 12px; padding: 4px 10px; border-radius: 6px; border: 1px solid var(--border); color: var(--muted); background: var(--surface); }
.cards .card:nth-child(3n + 2) { transition-delay: 0.08s; }
.cards .card:nth-child(3n + 3) { transition-delay: 0.16s; }

.tilt, .reveal.in.tilt { transform: perspective(1000px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform 0.5s var(--ease), opacity 1s var(--ease), border-color 0.3s; will-change: transform; }
.tilt.tilting, .reveal.in.tilt.tilting { transition: transform 0.08s linear, opacity 1s var(--ease), border-color 0.3s; }
.reveal.tilt:not(.in) { transform: translateY(40px); transition: transform 1s var(--ease), opacity 1s var(--ease); }

/* ============ Work ============ */
.work { display: flex; flex-direction: column; gap: clamp(60px, 9vw, 120px); }
.project { display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.project--rev .project__visual { order: 2; }
.project__visual {
  --c1: #7c5cff; --c2: #22d3ee;
  aspect-ratio: 16 / 11;
  border-radius: var(--radius);
  display: grid; place-items: center;
  position: relative;
  background:
    radial-gradient(80% 80% at 20% 10%, color-mix(in srgb, var(--c1) 55%, transparent), transparent 60%),
    radial-gradient(70% 70% at 90% 90%, color-mix(in srgb, var(--c2) 45%, transparent), transparent 60%),
    #0b0d16;
  border: 1px solid var(--border);
  overflow: hidden;
  transform-style: preserve-3d;
  box-shadow: 0 30px 60px -30px color-mix(in srgb, var(--c1) 30%, transparent);
}
.project__info { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.project__cat { font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--cyan); }
.project__info h3 { font-size: clamp(30px, 3.4vw, 44px); }
.project__info p { color: var(--muted); font-size: 17px; max-width: 420px; }

/* Mockups (pure CSS) */
.mock {
  width: 78%; border-radius: 14px; overflow: hidden;
  background: rgba(10, 12, 20, 0.85);
  border: 1px solid var(--border-2);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.8);
  transform: translateZ(50px) rotateX(8deg) rotateY(-10deg);
}
.mock__bar { display: flex; gap: 6px; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.mock__bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, 0.2); }
.mock__bar i:first-child { background: #ff5f57; } .mock__bar i:nth-child(2) { background: #febc2e; } .mock__bar i:nth-child(3) { background: #28c840; }
.mock__body { display: flex; height: 200px; }
.mock__side { width: 22%; border-right: 1px solid var(--border); background: repeating-linear-gradient(to bottom, transparent 0 22px, rgba(255, 255, 255, 0.05) 22px 30px); background-position: 0 16px; }
.mock__main { flex: 1; padding: 14px; display: flex; flex-direction: column; gap: 12px; }
.mock__chart { flex: 1; display: flex; align-items: flex-end; gap: 8%; padding: 0 4%; border-bottom: 1px solid var(--border); }
.mock__chart span { flex: 1; height: var(--h); border-radius: 5px 5px 0 0; background: linear-gradient(to top, var(--c1), var(--c2)); animation: grow 2.4s var(--ease) infinite alternate; transform-origin: bottom; }
.mock__chart span:nth-child(2n) { animation-delay: 0.4s; }
@keyframes grow { from { transform: scaleY(0.6); } to { transform: scaleY(1); } }
.mock__row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.mock__row b { height: 28px; border-radius: 8px; background: rgba(255, 255, 255, 0.06); }
.mock--shop { transform: translateZ(50px) rotateX(8deg) rotateY(10deg); }
.mock__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 14px; }
.mock__grid b { aspect-ratio: 1; border-radius: 10px; background: linear-gradient(135deg, color-mix(in srgb, var(--c1) 50%, transparent), color-mix(in srgb, var(--c2) 30%, transparent)); animation: float 4s ease-in-out infinite; }
.mock__grid b:nth-child(2n) { animation-delay: -1s; } .mock__grid b:nth-child(3n) { animation-delay: -2s; }
@keyframes float { 50% { transform: translateY(-6px); } }
.phones { display: flex; gap: 6%; width: 70%; justify-content: center; transform: translateZ(50px); }
.phone {
  width: 38%; aspect-ratio: 9 / 18.5; border-radius: 26px; padding: 26px 10px 10px;
  background: rgba(10, 12, 20, 0.9); border: 2px solid var(--border-2);
  display: flex; flex-direction: column; gap: 8px; position: relative;
  box-shadow: 0 30px 50px -20px rgba(0, 0, 0, 0.8);
  transform: rotateY(14deg) rotateZ(-4deg);
  animation: float 5s ease-in-out infinite;
}
.phone--2 { transform: rotateY(-14deg) rotateZ(4deg) translateY(24px); animation-delay: -2.5s; }
.phone__notch { position: absolute; top: 9px; left: 50%; width: 36%; height: 8px; margin-left: -18%; border-radius: 6px; background: rgba(255, 255, 255, 0.12); }
.phone b { border-radius: 10px; background: rgba(255, 255, 255, 0.06); height: 20%; }
.phone b:first-of-type { height: 38%; background: linear-gradient(135deg, var(--c1), var(--c2)); opacity: 0.8; }

/* ============ Process ============ */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; position: relative; }
.steps::before { content: ""; position: absolute; top: 28px; left: 28px; right: 28px; height: 1px; background: linear-gradient(90deg, var(--violet), var(--cyan), transparent); opacity: 0.5; }
.step { position: relative; padding-top: 80px; }
.step__n {
  position: absolute; top: 0; left: 0;
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700;
  background: var(--bg-2); border: 1px solid rgba(124, 92, 255, 0.5);
  box-shadow: 0 0 0 6px rgba(5, 6, 10, 0.9), 0 0 30px -4px rgba(124, 92, 255, 0.6);
}
.step h3 { font-size: 22px; margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 15px; }
.step:nth-child(2) { transition-delay: 0.1s; } .step:nth-child(3) { transition-delay: 0.2s; } .step:nth-child(4) { transition-delay: 0.3s; }

/* ============ Marquee ============ */
.marquee { overflow: hidden; padding: 10px 0; mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee__track { display: flex; gap: 16px; width: max-content; animation: marquee 40s linear infinite; }
.marquee--rev .marquee__track { animation-direction: reverse; animation-duration: 46s; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee span {
  font-family: var(--font-display); font-size: clamp(18px, 2vw, 24px); font-weight: 600;
  padding: 14px 28px; border-radius: 10px;
  border: 1px solid var(--border); background: rgba(11, 13, 22, 0.6); backdrop-filter: blur(10px);
  color: var(--muted); transition: color 0.3s, border-color 0.3s;
}
.marquee span:hover { color: var(--text); border-color: rgba(34, 211, 238, 0.5); }
@keyframes marquee { to { transform: translateX(calc(-50% - 8px)); } }

/* ============ Contact ============ */
.contact {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px);
  padding: clamp(28px, 5vw, 64px);
  border-radius: 20px;
  border: 1px solid var(--border);
  background:
    radial-gradient(60% 80% at 0% 0%, rgba(99, 102, 241, 0.12), transparent 60%),
    rgba(11, 13, 22, 0.7);
  backdrop-filter: blur(18px);
}
.contact__text { display: flex; flex-direction: column; align-items: flex-start; gap: 20px; }
.contact__text h2 { font-size: clamp(34px, 4.4vw, 56px); }
.contact__text > p:not(.eyebrow) { color: var(--muted); font-size: 17px; }
.contact__list { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 12px; }
.contact__list li { display: flex; gap: 16px; align-items: baseline; }
.contact__list span { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); width: 50px; }
.contact__list a { font-weight: 500; border-bottom: 1px solid var(--border-2); transition: border-color 0.3s; }
.contact__list a:hover { border-color: var(--cyan); }

.form { display: flex; flex-direction: column; gap: 16px; }
.field { position: relative; }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 24px 16px 10px;
  font: 400 16px/1.4 var(--font-body);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  resize: vertical;
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
  appearance: none;
}
.field select { cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239aa0b4' stroke-width='1.6' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
.field select option { background: var(--bg-2); }
.field input:focus, .field textarea:focus, .field select:focus { border-color: rgba(124, 92, 255, 0.7); background: rgba(124, 92, 255, 0.06); box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.15); }
.field label { position: absolute; left: 17px; top: 17px; color: var(--muted); font-size: 16px; pointer-events: none; transform-origin: left top; transition: transform 0.25s var(--ease), color 0.25s; }
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label,
.field--select label { transform: translateY(-9px) scale(0.75); color: #c4b5fd; }
.form__note { min-height: 1.4em; font-size: 14px; color: var(--cyan); text-align: center; }

/* ============ Why us ============ */
.why { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--border); }
.why__item { padding: 32px 28px 0 0; }
.why__item + .why__item { padding-left: 28px; border-left: 1px solid var(--border); }
.why__item h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; }
.why__item p { color: var(--muted); font-size: 15px; }
.why__item:nth-child(2) { transition-delay: 0.08s; } .why__item:nth-child(3) { transition-delay: 0.16s; } .why__item:nth-child(4) { transition-delay: 0.24s; }

.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ============ Footer ============ */
.footer { border-top: 1px solid var(--border); padding: 64px 0 28px; background: rgba(5, 6, 10, 0.92); backdrop-filter: blur(10px); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.footer__brand { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.footer__brand p { max-width: 320px; }
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col h4 { margin: 0 0 6px; font: 600 13px/1.4 var(--font-body); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text); }
.footer__col a { font-size: 14px; color: var(--muted); transition: color 0.25s; }
.footer__col a:hover { color: var(--text); }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 24px; border-top: 1px solid var(--border); }
.footer p { color: var(--muted); font-size: 14px; }
.footer__top { font-size: 14px; color: var(--muted); transition: color 0.3s; }
.footer__top:hover { color: var(--text); }

/* ============ Responsive ============ */
@media (max-width: 1000px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
  .steps::before { display: none; }
  .why { grid-template-columns: repeat(2, 1fr); }
  .why__item:nth-child(3) { padding-left: 0; border-left: 0; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav__toggle { display: block; z-index: 2; }
  .nav__links {
    position: fixed; inset: 0;
    flex-direction: column; justify-content: center; gap: 28px;
    background: rgba(5, 6, 10, 0.96); backdrop-filter: blur(20px);
    opacity: 0; visibility: hidden;
    transition: opacity 0.4s var(--ease), visibility 0.4s;
  }
  .nav__links a:not(.btn) { font-family: var(--font-display); font-size: 30px; color: var(--text); }
  .nav.open .nav__links { opacity: 1; visibility: visible; }
  .hero { align-items: flex-end; padding-bottom: 120px; }
  .hero__title { max-width: none; }
  .scroll-hint { display: none; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n + 2) { border-bottom: 1px solid var(--border); }
  .project { grid-template-columns: 1fr; }
  .project--rev .project__visual { order: 0; }
  .contact { grid-template-columns: 1fr; }
  .product { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .card { padding: 26px; }
  .hero__cta .btn { flex: 1 1 100%; }
  .why { grid-template-columns: 1fr; }
  .why__item, .why__item + .why__item { padding: 24px 0 0; border-left: 0; }
  .form__row { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .product__cta .btn { flex: 1 1 100%; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .mock__body { height: 150px; }
}

@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; }
  .reveal { opacity: 1; transform: none; }
}