/* ============================================================
   GLOBALS — Dark Modern Industrial
   ============================================================ */
:root {
  --bg: #03010b;
  --bg-1: #101013;
  --bg-2: #16161a;
  --bg-3: #1c1c21;
  --line: #25252c;
  --line-2: #34343d;
  --ink: #f4f4f5;
  --ink-2: #c8c8cf;
  --ink-3: #82828b;
  --ink-4: #4b4b54;
  --accent: #631caa;
  /* Все «акцентные» подложки и свечение только из фирменного фиолетового */
  --accent-glow: color-mix(in srgb, var(--accent) 35%, transparent);
  --accent-deep: #4f1790;
  --accent-page-a: color-mix(in srgb, var(--accent) 6%, transparent);
  --accent-page-b: color-mix(in srgb, var(--accent) 4%, transparent);
  --accent-ui-06: color-mix(in srgb, var(--accent) 6%, transparent);
  --accent-ui-08: color-mix(in srgb, var(--accent) 8%, transparent);
  --accent-ui-18: color-mix(in srgb, var(--accent) 18%, transparent);
  --hot: oklch(0.55 0.2 305);               /* вторичный акцент, фиолетово-пурпурный */
  --font-display: "Unbounded", "Inter Tight", sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --maxw: 1440px;
  --pad-x: clamp(16px, 4vw, 64px);
}
@media (max-width: 600px) { :root { --pad-x: 16px; } }

* { box-sizing: border-box; -webkit-font-smoothing: antialiased; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); }
body {
  overflow-x: hidden;
  background:
    radial-gradient(1200px 600px at 80% -200px, var(--accent-page-a), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, var(--accent-page-b), transparent 60%),
    var(--bg);
  background-attachment: fixed;
}

/* Grain overlay — subtle film noise */
.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 2;
  mix-blend-mode: overlay;
  opacity: var(--grain-opacity, .35);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .35 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* Fixed dot-grid behind everything */
.dotgrid {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: .35;
  background-image: radial-gradient(rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: 0 0;
  mask-image: radial-gradient(1200px 800px at 50% 30%, #000 30%, transparent 80%);
}

/* Layout helpers */
.shell { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad-x); position: relative; }
.section { position: relative; padding: clamp(80px, 12vw, 160px) 0; z-index: 1; }
.section + .section { border-top: 1px solid var(--line); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--ink-3);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--accent);
}

.h-display {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(34px, 6vw, 96px);
  line-height: .95;
  letter-spacing: -0.02em;
  margin: 18px 0 24px;
  text-wrap: balance;
}
.h-section {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(28px, 4.6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 16px 0 0;
  text-wrap: balance;
}
@media (max-width: 600px) {
  .h-display, .h-section { overflow-wrap: break-word; hyphens: auto; }
}
.lede { font-size: clamp(15px, 1.1vw, 18px); color: var(--ink-2); line-height: 1.55; max-width: 56ch; }

/* Buttons */
.btn {
  --bd: var(--line-2);
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  border: 1px solid var(--bd);
  background: transparent; color: var(--ink);
  font: 500 13px/1 var(--font-body);
  letter-spacing: .02em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 0;
  transition: background .25s ease, color .25s ease, border-color .25s ease, transform .2s ease;
  position: relative;
  overflow: hidden;
}
.btn .arr { transition: transform .25s ease; }
.btn:hover .arr { transform: translateX(4px); }
.btn-primary {
  background: var(--accent);
  color: #f4f4f5;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--ink); color: #0a0a0b; border-color: var(--ink); }
.btn-ghost { color: var(--ink-2); }
.btn-ghost:hover { color: var(--ink); border-color: var(--ink-3); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .9s ease, transform .9s ease; }
.reveal.in  { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }
.reveal[data-delay="5"] { transition-delay: .40s; }

/* Striped image placeholder */
.placeholder-img {
  position: relative;
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,.04) 0 12px, rgba(255,255,255,.02) 12px 24px),
    linear-gradient(180deg, #1a1a20, #101015);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 11px; color: var(--ink-4); text-transform: uppercase; letter-spacing: .12em;
  overflow: hidden;
}
.placeholder-img::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(closest-side, rgba(0,0,0,0) 60%, rgba(0,0,0,.45));
  pointer-events: none;
}

/* Marquee */
.marquee {
  display: flex; gap: 64px;
  white-space: nowrap;
  animation: marq 40s linear infinite;
  will-change: transform;
}
@keyframes marq { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Selection */
::selection { background: var(--accent); color: #f4f4f5; }

/* Scrollbar */
html { scrollbar-color: #2a2a30 transparent; scrollbar-width: thin; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #2a2a30; border-radius: 0; }
::-webkit-scrollbar-track { background: transparent; }

/* Utility */
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }

.kicker-num {
  font-family: var(--font-mono); font-size: 11px; color: var(--ink-4);
  letter-spacing: .1em;
}

a { color: inherit; text-decoration: none; }
input, textarea, button { font: inherit; color: inherit; }