/* =====================================================================
   Аспро.Agile — направление C · «СПЕЦИФИКАЦИЯ»
   Линза: industrial-brutalist-ui (Swiss Industrial Print, светлая подложка)
   Палитра залочена брендом. Шрифты self-hosted. CSP-строго, без CDN.
   ===================================================================== */

/* ---------- Self-hosted fonts (cyrillic + latin subsets) ---------- */
@font-face { font-family: "Unbounded"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("assets/fonts/unbounded-700-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Unbounded"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("assets/fonts/unbounded-700-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215; }
@font-face { font-family: "Unbounded"; font-style: normal; font-weight: 800; font-display: swap;
  src: url("assets/fonts/unbounded-800-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Unbounded"; font-style: normal; font-weight: 800; font-display: swap;
  src: url("assets/fonts/unbounded-800-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215; }

@font-face { font-family: "Inter"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("assets/fonts/inter-400-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("assets/fonts/inter-400-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+2074, U+20AC, U+2122; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("assets/fonts/inter-500-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("assets/fonts/inter-500-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+2074, U+20AC, U+2122; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("assets/fonts/inter-600-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("assets/fonts/inter-600-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+2074, U+20AC, U+2122; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("assets/fonts/inter-700-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("assets/fonts/inter-700-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+2074, U+20AC, U+2122; }

@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("assets/fonts/jbmono-500-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("assets/fonts/jbmono-500-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+2074, U+20AC, U+2122; }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("assets/fonts/jbmono-700-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("assets/fonts/jbmono-700-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+2074, U+20AC, U+2122; }

/* ---------- Tokens ---------- */
:root {
  /* 60 — подложка */
  --paper: #F4F3EE;
  --surface: #FFFFFF;
  --line: #E4E2DB;
  /* 30 — ink */
  --ink: #16181D;
  --ink-soft: #2B2E36;
  --ink-2: #565A63;
  --ink-inv: #EDEDEA;
  --ink-inv-2: #9AA0AC;
  /* 10 — сигнал */
  --signal: #3761E9;
  --signal-deep: #1C4ADE;
  --signal-lite: #6E8BFF;
  /* данные */
  --data-green: #35D3AC;
  --data-yellow: #FFCE51;
  --data-pink: #FF7188;

  --font-display: "Unbounded", Georgia, serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;

  /* шкала ×1.333, база 16px */
  --t-micro: 0.75rem;
  --t-small: 0.875rem;
  --t-body: 1rem;
  --t-h4: 1.333rem;
  --t-h3: 1.777rem;
  --t-h2: 2.369rem;
  --t-h1: clamp(2.1rem, 7.5vw, 9.5rem);

  --sp-1: 8px; --sp-2: 16px; --sp-3: 24px; --sp-4: 32px;
  --sp-5: 48px; --sp-6: 64px; --sp-7: 96px; --sp-8: 128px;

  --pad-x: clamp(16px, 5vw, 64px);
  --wrap: 1200px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--t-body);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
}
h1, h2, h3, h4 { margin: 0; }
p { margin: 0; }
a { color: var(--signal); text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: var(--signal); color: #FFFFFF; }
:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: var(--pad-x); }

/* utility: telemetry / mono labels */
.tele {
  font-family: var(--font-mono);
  font-size: var(--t-micro);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.tele--signal { color: var(--signal); }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--ink-inv);
  padding: var(--sp-2); z-index: 100;
  font-family: var(--font-mono); font-size: var(--t-small);
}
.skip-link:focus { left: 0; }

/* =====================================================================
   HEADER
   ===================================================================== */
.site-header {
  border-bottom: 2px solid var(--ink);
  background: var(--paper);
  position: sticky; top: 0; z-index: 40;
}
.header-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-3);
  min-height: 64px;
}
.brand {
  display: flex; align-items: baseline; gap: var(--sp-1);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.brand__dot { color: var(--signal); }
.brand__mark {
  font-family: var(--font-mono);
  font-size: var(--t-micro);
  letter-spacing: 0.08em;
  color: var(--ink-2);
  text-transform: uppercase;
  align-self: center;
}
.main-nav ul { display: flex; gap: var(--sp-3); }
.main-nav a {
  font-family: var(--font-mono);
  font-size: var(--t-small);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink);
  padding: var(--sp-1) 0;
  min-height: 24px; display: inline-flex; align-items: center;
}
.main-nav a:hover { color: var(--signal); }
.header-cta {
  display: inline-flex; align-items: center;
  min-height: 44px; padding: 0 var(--sp-3);
  background: var(--signal); color: #FFFFFF;
  font-family: var(--font-mono); font-weight: 700;
  font-size: var(--t-small); letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 2px solid var(--signal);
  transition: background .18s var(--ease);
}
.header-cta:hover { background: var(--signal-deep); border-color: var(--signal-deep); color: #FFFFFF; }
.nav-toggle { display: none; }

/* =====================================================================
   HERO
   ===================================================================== */
.hero { border-bottom: 2px solid var(--ink); position: relative; }
.hero__inner { padding-block: var(--sp-7) var(--sp-6); }

.hero__telebar {
  display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-4);
  align-items: center;
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--sp-5);
}
.hero__telebar .tele { white-space: nowrap; }

.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--t-h1);
  line-height: 0.92;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  text-wrap: balance;
  overflow-wrap: break-word;
  hyphens: auto;
  max-width: 15ch;
}
.hero__title .accent { color: var(--signal); }

.hero__lead {
  margin-top: var(--sp-4);
  max-width: 58ch;
  font-size: var(--t-h4);
  line-height: 1.45;
  color: var(--ink-soft);
}

.hero__actions {
  display: flex; flex-wrap: wrap; gap: var(--sp-2);
  margin-top: var(--sp-5);
}
.btn {
  display: inline-flex; align-items: center; gap: var(--sp-1);
  min-height: 52px; padding: 0 var(--sp-4);
  font-family: var(--font-mono); font-weight: 700;
  font-size: var(--t-small); letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 2px solid var(--ink);
  transition: transform .15s var(--ease), background .18s var(--ease);
}
.btn--primary { background: var(--signal); color: #FFFFFF; border-color: var(--signal); }
.btn--primary:hover { background: var(--signal-deep); border-color: var(--signal-deep); color: #FFFFFF; }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--ink-inv); }
.btn__arrow { font-family: var(--font-mono); }

/* КОМУ ПОДОЙДЁТ — спец-строка */
.fit {
  margin-top: var(--sp-6);
  border: 2px solid var(--ink);
  background: var(--ink);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
}
.fit__head, .fit__cell {
  background: var(--surface);
  padding: var(--sp-3);
}
.fit__head {
  background: var(--ink);
  color: var(--ink-inv);
  display: flex; align-items: center;
  grid-column: 1 / -1;
}
.fit__head .tele { color: var(--ink-inv-2); }
.fit__num { font-family: var(--font-mono); font-size: var(--t-micro); color: var(--signal); letter-spacing: 0.08em; }
.fit__label { margin-top: var(--sp-1); font-weight: 600; font-size: var(--t-body); line-height: 1.3; }

/* бренд-полоса (текстом — реальных лого в ассетах нет) */
.clients {
  margin-top: var(--sp-6);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--line);
}
.clients__list {
  display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-4);
  margin-top: var(--sp-2);
}
.clients__list li {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--t-small);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: var(--sp-1) var(--sp-2);
  border: 1px solid var(--line);
}

/* =====================================================================
   ФИЧИ — СПЕЦИФИКАЦИЯ
   ===================================================================== */
.features { padding-block: var(--sp-7); }
.section-head {
  display: flex; flex-wrap: wrap; align-items: flex-end;
  justify-content: space-between; gap: var(--sp-3);
  padding-bottom: var(--sp-4);
  border-bottom: 2px solid var(--ink);
  margin-bottom: 0;
}
.section-head__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--t-h2);
  line-height: 1.0;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  max-width: 18ch;
}
.section-head__meta { max-width: 40ch; }
.section-head__meta p { color: var(--ink-2); font-size: var(--t-small); line-height: 1.55; margin-top: var(--sp-1); }

.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--ink);
  border: 2px solid var(--ink);
  border-top: none;
}
.spec {
  background: var(--surface);
  padding: var(--sp-4);
  display: flex; flex-direction: column;
  min-height: 260px;
  position: relative;
}
.spec__top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--sp-3);
}
.spec__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--t-body);
  letter-spacing: 0.05em;
  color: #FFFFFF;
  background: var(--signal);
  padding: 4px var(--sp-1);
  transition: transform .18s var(--ease);
}
.spec:hover .spec__num { transform: translateX(4px); }
.spec__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--t-h4);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-2);
}
.spec__desc { font-size: var(--t-small); line-height: 1.6; color: var(--ink-soft); max-width: 42ch; }
.spec__foot {
  margin-top: auto; padding-top: var(--sp-3);
  border-top: 1px solid var(--line);
}
.chip {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono);
  font-size: var(--t-micro);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 4px var(--sp-1);
}
.chip--all { background: var(--data-green); }
.chip--std { background: var(--data-yellow); }
.chip--pro { background: var(--signal); color: #FFFFFF; }

/* crosshair-декор на пересечениях (декоративно, скрыт от AT) */
.spec::before {
  content: "+";
  position: absolute; top: -9px; left: -9px;
  font-family: var(--font-mono);
  font-size: 14px; line-height: 1;
  color: var(--signal);
  z-index: 2;
}

/* =====================================================================
   FOOTER (стаб с реквизитами — rf-legal)
   ===================================================================== */
.site-footer {
  background: var(--ink);
  color: var(--ink-inv);
  border-top: 2px solid var(--ink);
  padding-block: var(--sp-6) var(--sp-4);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--sp-5);
}
.site-footer .brand { color: var(--ink-inv); }
.footer-col h3 {
  font-family: var(--font-mono);
  font-size: var(--t-micro);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-inv-2);
  margin-bottom: var(--sp-2);
}
.footer-col a { color: var(--ink-inv); display: block; padding: 4px 0; min-height: 24px; }
.footer-col a:hover { color: var(--signal-lite); }
.footer-contact p { color: var(--ink-inv); font-size: var(--t-small); line-height: 1.7; }
.footer-contact a { display: inline; }
.req {
  margin-top: var(--sp-5); padding-top: var(--sp-4);
  border-top: 1px solid var(--ink-soft);
}
.req p {
  font-family: var(--font-mono);
  font-size: var(--t-micro);
  line-height: 1.7;
  color: var(--ink-inv-2);
  letter-spacing: 0.02em;
}
.copy {
  margin-top: var(--sp-4);
  font-family: var(--font-mono);
  font-size: var(--t-micro);
  color: var(--ink-inv-2);
  letter-spacing: 0.04em;
}

/* =====================================================================
   MOTION
   ===================================================================== */
/* Reveal-on-scroll: невидимое стартовое состояние включаем ТОЛЬКО там, где
   поддержан scroll-driven timeline. Иначе (и до входа в кадр при рендере без
   скролла) элемент виден по умолчанию — не «пропадает». */
@supports (animation-timeline: view()) {
  .reveal { opacity: 0; animation: rise linear both; animation-timeline: view(); animation-range: entry 0% cover 25%; }
}
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

.hero__title, .hero__telebar { animation: hero-in .5s var(--ease) both; }
.hero__telebar { animation-delay: .05s; }
.hero__title { animation-delay: .12s; }
@keyframes hero-in { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  .reveal, .hero__title, .hero__telebar { animation: none; opacity: 1; transform: none; }
  * { scroll-behavior: auto; }
}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 900px) {
  .spec-grid { grid-template-columns: repeat(2, 1fr); }
  .fit { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 820px) {
  .main-nav, .header-cta { display: none; }
  .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px;
    background: var(--ink); color: var(--ink-inv);
    border: none;
    font-family: var(--font-mono); font-size: var(--t-body);
    cursor: pointer;
  }
}

@media (max-width: 620px) {
  .hero__inner { padding-block: var(--sp-6) var(--sp-5); }
  .spec-grid { grid-template-columns: 1fr; }
  .fit { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-4); }
  .hero__actions .btn { flex: 1 1 100%; justify-content: center; }
  .section-head__title { font-size: var(--t-h3); }
}