:root {
  --color-bg: #0b0f12;
  --color-surface: #11181d;
  --color-surface-alt: #17222a;
  --color-text: #eef4f2;
  --color-muted: #9fb0ad;
  --color-primary: #d8ff5f;
  --color-primary-dark: #8aa82a;
  --color-secondary: #55e6d1;
  --color-accent: #ffb36b;
  --color-border: rgba(216, 255, 95, .22);
  --font-heading: "Manrope", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 34px;
  --shadow-soft: 0 24px 70px rgba(0, 0, 0, .32);
  --grid-max: 1180px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  background:
    radial-gradient(circle at 14% 8%, rgba(85,230,209,.10), transparent 24rem),
    radial-gradient(circle at 90% 20%, rgba(216,255,95,.09), transparent 28rem),
    linear-gradient(180deg, #080b0e 0%, var(--color-bg) 42%, #0e1214 100%);
  color: var(--color-text);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .45;
  background-image:
    linear-gradient(rgba(216,255,95,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(216,255,95,.055) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 80%);
}

a { color: inherit; text-decoration: none; }
a:not(.btn):hover { color: var(--color-primary); }
img { max-width: 100%; display: block; }

.container { width: min(var(--grid-max), calc(100% - 32px)); margin-inline: auto; }
.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 10;
  padding: .7rem 1rem; border-radius: var(--radius-sm); background: var(--color-primary); color: #101310;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 9;
  backdrop-filter: blur(18px);
  background: rgba(8,11,14,.78);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  min-height: 78px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.brand img { width: 38px; height: 38px; }
.brand span:last-child { transform: translateY(1px); }
.nav-list { display: flex; align-items: center; gap: 8px; padding: 0; margin: 0; list-style: none; flex-wrap: wrap; }
.nav-list a {
  display: inline-flex;
  padding: .64rem .82rem;
  border-radius: 999px;
  color: var(--color-muted);
  font-size: .93rem;
}
.nav-list a[aria-current="page"], .nav-list a:hover {
  color: var(--color-text);
  background: rgba(216,255,95,.10);
}
.header-cta { display: inline-flex; align-items: center; gap: .45rem; color: var(--color-primary); font-family: var(--mono); font-size: .82rem; }
.header-cta::before { content: "●"; font-size: .7rem; animation: pulse 1.8s infinite; }

main { overflow: hidden; }
section { padding: 82px 0; }
.section-tight { padding: 50px 0; }
.section-kicker, .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--color-secondary);
  font-size: .78rem;
}
.section-kicker::before, .eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: currentColor;
}
h1, h2, h3 {
  font-family: var(--font-heading);
  line-height: 1.04;
  letter-spacing: -.04em;
  margin: 0 0 18px;
}
h1 { font-size: clamp(3rem, 8vw, 7.6rem); max-width: 1030px; }
h2 { font-size: clamp(2rem, 4.2vw, 4.4rem); max-width: 900px; }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); letter-spacing: -.025em; }
p { margin: 0 0 1rem; color: var(--color-muted); }
.lead { font-size: clamp(1.08rem, 1.7vw, 1.35rem); color: #d9e5e1; max-width: 760px; }
.text-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(28px, 6vw, 82px); align-items: start; }
.copy-column { max-width: 760px; }
.copy-column p + h3 { margin-top: 34px; }

.hero {
  padding: 68px 0 50px;
  min-height: calc(100vh - 78px);
  display: grid;
  align-items: center;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(320px, .58fr);
  gap: clamp(34px, 6vw, 76px);
  align-items: center;
}
.hero h1 .mark-word {
  color: #111;
  background: var(--color-primary);
  border-radius: .18em .55em .18em .55em;
  padding: 0 .13em .03em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.hero-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  margin: 30px 0;
  max-width: 760px;
}
.hero-note code {
  font-family: var(--mono);
  color: var(--color-primary);
  background: rgba(216,255,95,.08);
  border: 1px solid var(--color-border);
  padding: .5rem .7rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  border: 1px solid transparent;
  padding: .92rem 1.14rem;
  border-radius: 999px;
  font-weight: 760;
  transition: transform .18s ease, background-color .18s ease, border-color .18s ease, color .18s ease;
}
.btn-primary { color: #101310; background: var(--color-primary); box-shadow: 0 16px 40px rgba(216,255,95,.16); }
.btn-primary:hover { transform: translateY(-2px); background: #ecff98; }
.btn-secondary { color: var(--color-text); border-color: var(--color-border); background: rgba(255,255,255,.04); }
.btn-secondary:hover { transform: translateY(-2px); border-color: rgba(216,255,95,.55); }
.btn-quiet { color: var(--color-primary); padding-inline: 0; }

.signal-console {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 26px;
  background:
    linear-gradient(135deg, rgba(216,255,95,.12), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.025));
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.signal-console::before {
  content: "AIZZ//SHORT_AI_SIGNAL";
  position: absolute;
  right: -32px;
  top: 26px;
  transform: rotate(90deg);
  transform-origin: right top;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: rgba(216,255,95,.45);
}
.signal-console::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, transparent, transparent 12px, rgba(85,230,209,.045) 13px);
  pointer-events: none;
}
.console-top { display: flex; justify-content: space-between; gap: 18px; align-items: center; margin-bottom: 26px; position: relative; z-index: 1; }
.console-title { font-family: var(--mono); color: var(--color-secondary); font-size: .86rem; }
.console-status { display: inline-flex; gap: 7px; }
.console-status span { width: 9px; height: 9px; border-radius: 50%; background: var(--color-primary); box-shadow: 0 0 20px var(--color-primary); }
.console-status span:nth-child(2) { background: var(--color-secondary); box-shadow: 0 0 20px var(--color-secondary); animation-delay: .25s; }
.console-status span:nth-child(3) { background: var(--color-accent); box-shadow: 0 0 20px var(--color-accent); animation-delay: .5s; }
.capsule-map {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
  padding: 16px 0;
}
.capsule-row {
  display: grid;
  grid-template-columns: 112px 1fr auto;
  gap: 12px;
  align-items: center;
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--color-muted);
}
.signal-line {
  height: 12px;
  border-radius: 99px;
  background:
    linear-gradient(90deg, rgba(85,230,209,.08), var(--color-secondary), var(--color-primary));
  position: relative;
  overflow: hidden;
}
.signal-line::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.72), transparent);
  width: 42%;
  transform: translateX(-110%);
  animation: scan 3.6s linear infinite;
}
.capsule-core {
  margin: 20px auto 8px;
  width: min(100%, 330px);
  aspect-ratio: 1;
  border: 1px solid rgba(216,255,95,.28);
  border-radius: 44% 56% 48% 52%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle, rgba(216,255,95,.26), rgba(85,230,209,.08) 38%, transparent 66%);
}
.capsule-core strong {
  display: grid;
  place-items: center;
  width: 56%; height: 56%;
  border-radius: 50%;
  background: #101310;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.7rem);
  letter-spacing: .05em;
  box-shadow: 0 0 50px rgba(216,255,95,.16);
}
.console-caption { position: relative; z-index: 1; color: #dbe4e1; font-size: .96rem; }

.pulse-strip {
  margin-top: 46px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255,255,255,.025);
}
.pulse-item { padding: 22px; border-right: 1px solid rgba(255,255,255,.08); }
.pulse-item:last-child { border-right: 0; }
.pulse-item b { display: block; font-family: var(--mono); color: var(--color-primary); margin-bottom: 8px; }
.pulse-item span { color: var(--color-muted); font-size: .95rem; }

.module-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.ai-module {
  position: relative;
  min-height: 260px;
  padding: 26px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,.09);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.025));
  overflow: hidden;
}
.ai-module::before {
  content: attr(data-code);
  position: absolute;
  right: 20px; top: 16px;
  font-family: var(--mono);
  color: rgba(216,255,95,.32);
  font-size: .75rem;
}
.ai-module::after {
  content: "";
  position: absolute;
  width: 140px; height: 140px;
  right: -46px; bottom: -46px;
  border: 1px dashed rgba(85,230,209,.32);
  border-radius: 50%;
}
.ai-module .tag { display: inline-flex; font-family: var(--mono); color: var(--color-secondary); font-size: .76rem; margin-bottom: 54px; }
.ai-module h3 { margin-bottom: 14px; }
.ai-module:hover { transform: translateY(-4px); border-color: rgba(216,255,95,.38); transition: .18s ease; }

.decision-lattice {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255,255,255,.025);
}
.lattice-cell { padding: 28px; min-height: 220px; border-right: 1px solid rgba(255,255,255,.08); border-bottom: 1px solid rgba(255,255,255,.08); }
.lattice-cell:nth-child(even) { border-right: 0; }
.lattice-cell:nth-last-child(-n+2) { border-bottom: 0; }
.lattice-cell b { color: var(--color-primary); font-family: var(--mono); font-size: .76rem; }
.lattice-cell h3 { margin-top: 12px; }

.lab-note {
  position: relative;
  padding: 26px 28px 26px 68px;
  border: 1px solid rgba(255,179,107,.34);
  border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-md);
  background:
    linear-gradient(90deg, rgba(255,179,107,.16), transparent 7px),
    rgba(255,179,107,.055);
}
.lab-note::before {
  content: "заметка";
  position: absolute;
  left: 18px; top: 22px;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.lab-note p { color: #e8d9cc; }

.signal-rail { display: grid; gap: 16px; position: relative; }
.signal-rail::before { content: ""; position: absolute; left: 17px; top: 8px; bottom: 8px; width: 1px; background: linear-gradient(var(--color-secondary), var(--color-primary)); }
.rail-step { position: relative; display: grid; grid-template-columns: 48px 1fr; gap: 18px; align-items: start; }
.rail-step .dot {
  position: relative;
  z-index: 1;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--color-primary);
  background: var(--color-bg);
  box-shadow: 0 0 0 7px rgba(216,255,95,.06);
}
.rail-step article { padding: 20px 22px; border-radius: var(--radius-md); background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.08); }
.rail-step h3 { font-size: 1.25rem; margin-bottom: 8px; }

.question-chip {
  display: inline-flex;
  margin: 4px 6px 8px 0;
  padding: .58rem .76rem;
  border-radius: 999px;
  background: rgba(85,230,209,.09);
  border: 1px solid rgba(85,230,209,.25);
  color: #c8f7ef;
  font-size: .94rem;
}
.faq-list { display: grid; gap: 14px; }
.faq-item {
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.035);
  padding: 22px 24px;
}
.faq-item h2, .faq-item h3 { font-size: clamp(1.18rem, 2vw, 1.65rem); margin-bottom: 10px; }

.brief-board {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 26px;
  background:
    linear-gradient(135deg, rgba(216,255,95,.09), transparent 24%),
    rgba(255,255,255,.035);
  box-shadow: var(--shadow-soft);
}
.form-grid { display: grid; gap: 15px; }
label { display: grid; gap: 7px; color: #dce8e4; font-weight: 700; }
input, textarea, select {
  width: 100%;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.24);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  padding: .92rem 1rem;
  font: inherit;
}
textarea { min-height: 140px; resize: vertical; }
input::placeholder, textarea::placeholder { color: rgba(159,176,173,.75); }
:focus-visible { outline: 3px solid rgba(216,255,95,.72); outline-offset: 3px; }
.form-hint { font-size: .9rem; color: var(--color-muted); margin-top: 8px; }

.compare-board { display: grid; grid-template-columns: .88fr 1.12fr; gap: 18px; }
.compare-card { padding: 24px; border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,.09); background: rgba(255,255,255,.035); }
.compare-card.is-accent { background: rgba(216,255,95,.09); border-color: var(--color-border); }
.check-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 30px; color: var(--color-muted); }
.check-list li::before { content: "↳"; position: absolute; left: 0; color: var(--color-primary); font-family: var(--mono); }

.metrics-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.08);
}
.metric { padding: 28px; background: rgba(8,11,14,.78); }
.metric strong { display: block; font-family: var(--font-heading); font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1; color: var(--color-primary); }
.metric span { color: var(--color-muted); }

.breadcrumbs { padding-top: 24px; font-size: .88rem; color: var(--color-muted); }
.breadcrumbs a { color: var(--color-secondary); }
.page-hero { padding: 58px 0 38px; }
.page-hero .lead { max-width: 850px; }
.split-visual { display: grid; grid-template-columns: .9fr 1.1fr; gap: 42px; align-items: center; }
.aside-card { padding: 24px; border: 1px solid rgba(255,255,255,.09); border-radius: var(--radius-lg); background: rgba(255,255,255,.035); }
.aside-card img { margin-bottom: 18px; border-radius: var(--radius-md); }

.table-wrap { overflow-x: auto; border: 1px solid rgba(255,255,255,.09); border-radius: var(--radius-lg); }
table { width: 100%; border-collapse: collapse; min-width: 760px; background: rgba(255,255,255,.025); }
th, td { padding: 18px; text-align: left; border-bottom: 1px solid rgba(255,255,255,.08); vertical-align: top; }
th { color: var(--color-primary); font-family: var(--mono); font-weight: 500; font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; }
td { color: var(--color-muted); }
tr:last-child td { border-bottom: 0; }

.site-footer {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 42px 0;
  background: rgba(0,0,0,.18);
}
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 24px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; color: var(--color-muted); }
.footer-grid h2, .footer-grid h3 { font-size: 1rem; letter-spacing: 0; margin-bottom: 12px; }
.footer-meta { margin-top: 28px; color: var(--color-muted); font-size: .88rem; }

@keyframes pulse { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
@keyframes scan { to { transform: translateX(230%); } }

@media (max-width: 980px) {
  .header-inner { align-items: flex-start; flex-direction: column; padding: 16px 0; }
  .hero-grid, .text-grid, .split-visual, .compare-board { grid-template-columns: 1fr; }
  .module-strip { grid-template-columns: 1fr; }
  .pulse-strip, .metrics-band { grid-template-columns: 1fr 1fr; }
  .pulse-item:nth-child(even) { border-right: 0; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  :root { --radius-lg: 24px; }
  .container { width: min(100% - 22px, var(--grid-max)); }
  section { padding: 56px 0; }
  .hero { padding-top: 36px; min-height: auto; }
  .nav-list { gap: 4px; }
  .nav-list a { padding: .52rem .6rem; font-size: .86rem; }
  .header-cta { display: none; }
  .hero-note { grid-template-columns: 1fr; }
  .capsule-row { grid-template-columns: 82px 1fr; }
  .capsule-row span:last-child { display: none; }
  .pulse-strip, .metrics-band, .decision-lattice { grid-template-columns: 1fr; }
  .pulse-item, .lattice-cell { border-right: 0; }
  .lattice-cell:nth-last-child(2) { border-bottom: 1px solid rgba(255,255,255,.08); }
  .actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .brief-board { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition: none !important; }
}

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }