/* ============================================================
   Файбертел — стили сайта
   Источник токенов: Брендбук Файбертел v1.0 (2026)
   ============================================================ */

/* ---------- Токены ---------- */
:root {
  --green: #22b04f;        /* Fiber Green — акцент */
  --green-deep: #1b8f3f;   /* hover, зелёный текст на белом */
  --green-dark: #14672e;   /* нажатие */
  --ink: #0e1a12;          /* заголовки, тёмные секции */
  --ink-600: #46574c;      /* основной текст */
  --ink-400: #7c8a81;      /* подписи */
  --ink-300: #a9b6ad;      /* второстепенные подписи на тёмном */
  --ink-200: #c9d4cc;
  --border: #e1e8e2;
  --bg: #f6f8f6;
  --green-tint: #eff8f1;
  --green-tint-2: #dcefe2;
  --white: #ffffff;
  --gold: #c9a227;         /* статус «в работе» */

  --font-display: 'Geologica', 'Golos Text', system-ui, sans-serif;
  --font-body: 'Golos Text', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --container: 1160px;
  --gap: 24px;
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-pill: 999px;

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

  --control-h: 48px;
  --t-fast: 150ms;
  --t-base: 500ms;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 72px;
}

/* ---------- База ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-600);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.nav-open { overflow: hidden; }

img, svg { display: block; max-width: 100%; }
a { color: var(--green-deep); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--green-dark); }
button { font: inherit; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  color: var(--ink);
  letter-spacing: -0.01em;
  text-wrap: balance;
}

h1 { font-size: clamp(40px, 5.5vw, 64px); line-height: 1.05; font-weight: 600; letter-spacing: -0.02em; }
h2 { font-size: clamp(30px, 3.6vw, 40px); line-height: 1.15; font-weight: 500; }
h3 { font-size: 24px; line-height: 1.3; font-weight: 500; }
h4 { font-size: 19px; line-height: 1.3; font-weight: 500; }

.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--ink-400);
}

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.skip-link {
  position: absolute; left: 16px; top: -100px;
  padding: 12px 16px; background: var(--ink); color: var(--white);
  border-radius: var(--r-md); z-index: 1000;
}
.skip-link:focus { top: 16px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); border: 0;
}

/* ---------- Сетка ---------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gap) * 2);
  margin: 0 auto;
  padding: 0 var(--gap);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
}

.section { padding: var(--s-8) 0; }
.section--tight { padding: var(--s-7) 0; }

.section-head {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
  align-items: end;
  margin-bottom: var(--s-6);
}
.section-head__title { grid-column: 1 / span 7; }
.section-head__aside {
  grid-column: 8 / span 5;
  display: flex; flex-direction: column; gap: var(--s-3);
  justify-content: flex-end; align-items: flex-start;
}
.section-head__aside p { max-width: 42ch; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: var(--s-3);
  font-family: var(--font-mono);
  font-size: 12px; line-height: 1.4; letter-spacing: 0.04em;
  color: var(--ink-400);
}
.eyebrow::before {
  content: '';
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  flex: none;
}

.lead { font-size: 19px; line-height: 1.55; max-width: 52ch; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: var(--control-h);
  padding: 0 24px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 16px;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  transition: background-color var(--t-fast), border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
  user-select: none;
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 18px; height: 18px; }

.btn--primary { background: var(--green); color: var(--white); }
.btn--primary:hover { background: var(--green-deep); color: var(--white); }
.btn--primary:active { background: var(--green-dark); }

.btn--secondary { background: var(--white); color: var(--ink); border-color: var(--border); }
.btn--secondary:hover { border-color: var(--ink); color: var(--ink); }

.btn--ghost { background: transparent; color: var(--green-deep); padding: 0 4px; height: auto; }
.btn--ghost:hover { color: var(--green-dark); }
.btn--ghost svg { transition: transform var(--t-fast); }
.btn--ghost:hover svg { transform: translateX(3px); }

.btn--on-dark { background: var(--white); color: var(--ink); }
.btn--on-dark:hover { background: var(--green-tint); }

.btn--outline-dark { background: transparent; color: var(--white); border-color: rgba(255,255,255,.28); }
.btn--outline-dark:hover { border-color: var(--white); color: var(--white); }

.btn[disabled], .btn.is-loading { opacity: .7; pointer-events: none; }

.btn .btn__spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid currentColor; border-right-color: transparent;
  animation: spin .8s linear infinite;
  display: none;
}
.btn.is-loading .btn__spinner { display: inline-block; }
.btn.is-loading .btn__label { opacity: .7; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Теги, статусы ---------- */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  height: 28px; padding: 0 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--border);
  background: var(--white);
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: .02em;
  color: var(--ink-600);
}
.tag--green { background: var(--green-tint); border-color: var(--green-tint-2); color: var(--green-deep); }
.tag--dark { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); color: var(--ink-200); }

.status { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 12px; color: var(--ink-600); }
.status::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--ink-300); }
.status--ok::before { background: var(--green); }
.status--wip::before { background: var(--gold); }
.status--none::before { background: var(--ink-300); }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(246, 248, 246, .88);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast), background-color var(--t-fast);
}
.header.is-scrolled { border-bottom-color: var(--border); background: rgba(246, 248, 246, .96); }

.header__inner {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-4);
}

.logo { display: inline-flex; align-items: center; flex: none; }
.logo img { height: 44px; width: auto; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative;
  display: inline-flex; align-items: center;
  height: 40px; padding: 0 14px;
  border-radius: var(--r-md);
  color: var(--ink-600);
  font-size: 15px; font-weight: 500;
  transition: color var(--t-fast), background-color var(--t-fast);
}
.nav a:hover { color: var(--ink); background: var(--white); }
.nav a.is-active { color: var(--ink); }
.nav a.is-active::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 6px;
  height: 2px; border-radius: 2px; background: var(--green);
}

.header__actions { display: flex; align-items: center; gap: var(--s-3); }
.header__phone { font-family: var(--font-mono); font-size: 13px; color: var(--ink); }
.header__phone:hover { color: var(--green-deep); }

.burger {
  display: none;
  width: 44px; height: 44px; padding: 0;
  border: 1px solid var(--border); border-radius: var(--r-md);
  background: var(--white);
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.burger span { width: 18px; height: 1.5px; background: var(--ink); transition: transform var(--t-fast), opacity var(--t-fast); }
.nav-open .burger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-open .burger span:nth-child(2) { opacity: 0; }
.nav-open .burger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding: var(--s-7) 0 0; overflow: hidden; }
.hero__grid { align-items: center; }
.hero__copy { grid-column: 1 / span 6; }
.hero__visual { grid-column: 7 / span 6; position: relative; }

.hero h1 { margin-bottom: var(--s-4); }
.hero .lead { margin-bottom: var(--s-5); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s-3); }

.hero__note {
  display: flex; align-items: center; flex-wrap: wrap; gap: var(--s-2) var(--s-4);
  margin-top: var(--s-5);
  padding-top: var(--s-3);
  border-top: 1px solid var(--border);
}
.hero__note-avatars { display: flex; }
.hero__note-avatars span {
  width: 28px; height: 28px; border-radius: 50%;
  border: 2px solid var(--bg);
  background: var(--green-tint-2);
  margin-left: -8px;
}
.hero__note-avatars span:first-child { margin-left: 0; }

/* Схема сети в hero */
.scheme {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--white);
  padding: var(--s-4);
}
.scheme__head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: var(--s-3);
}
.scheme__legend { display: flex; gap: var(--s-3); flex-wrap: wrap; }
.scheme__legend .mono { display: inline-flex; align-items: center; gap: 6px; }
.scheme__legend i { width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid var(--ink); display: inline-block; }
.scheme__legend i.node { background: var(--green); border-color: var(--green); }
.scheme__legend i.obj { border-radius: 2px; }
.scheme svg { width: 100%; height: auto; }

.scheme .line { stroke: var(--ink-200); stroke-width: 2; fill: none; stroke-linecap: round; }
.scheme .line--active {
  stroke: var(--green); stroke-width: 2.5;
  stroke-dasharray: 1200; stroke-dashoffset: 1200;
  animation: draw 2.2s var(--ease-out) forwards;
}
.scheme .line--active.d2 { animation-delay: .35s; }
.scheme .line--active.d3 { animation-delay: .7s; }
@keyframes draw { to { stroke-dashoffset: 0; } }

.scheme .node { fill: var(--green); }
.scheme .node-ring { fill: none; stroke: var(--green); stroke-width: 1.5; opacity: 0; transform-origin: center; transform-box: fill-box; animation: ring 2.6s ease-out infinite; }
@keyframes ring {
  0% { transform: scale(.6); opacity: .7; }
  100% { transform: scale(1.9); opacity: 0; }
}
.scheme .mufta { fill: var(--white); stroke: var(--ink); stroke-width: 1.5; }
.scheme .obj { fill: var(--white); stroke: var(--ink); stroke-width: 1.5; }
.scheme .obj--on { fill: var(--green-tint); stroke: var(--green-deep); }
.scheme .pulse { fill: var(--green); }
.scheme text { font-family: var(--font-mono); font-size: 11px; fill: var(--ink-400); }
.scheme text.t-dark { fill: var(--ink); }
.scheme .grid-dot { fill: var(--border); }

.scheme__badge {
  position: absolute; right: var(--s-4); bottom: var(--s-4);
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: var(--r-md);
  background: var(--ink); color: var(--white);
  font-family: var(--font-mono); font-size: 12px;
}
.scheme__badge b { color: var(--green); font-weight: 500; }

/* Полоса цифр */
.stats {
  margin-top: var(--s-7);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.stat {
  padding: var(--s-5) var(--s-4) var(--s-5) 0;
  border-left: 1px solid var(--border);
  padding-left: var(--s-4);
}
.stat:first-child { border-left: 0; padding-left: 0; }
.stat__value {
  font-family: var(--font-display);
  font-size: 40px; line-height: 1.05; font-weight: 500;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.stat__value small { font-size: 20px; color: var(--ink-400); font-weight: 400; margin-left: 4px; }
.stat__label { margin-top: 6px; }

/* ---------- Аудитории ---------- */
.audience { padding: var(--s-7) 0 0; }
.audience__row {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
  align-items: center;
}
.audience__label { grid-column: 1 / span 3; }
.audience__list { grid-column: 4 / span 9; display: flex; flex-wrap: wrap; gap: 10px; }
.audience__item {
  display: inline-flex; align-items: center; gap: 10px;
  height: 44px; padding: 0 16px 0 12px;
  border: 1px solid var(--border); border-radius: var(--r-pill);
  background: var(--white); color: var(--ink);
  font-size: 15px; font-weight: 500;
  transition: border-color var(--t-fast);
}
.audience__item:hover { border-color: var(--green); }
.audience__item svg { width: 20px; height: 20px; }

/* ---------- Иконки ---------- */
.icon {
  width: 24px; height: 24px;
  stroke: var(--ink); stroke-width: 1.5; fill: none;
  stroke-linecap: round; stroke-linejoin: round;
}
.icon .accent { stroke: var(--green); }
.icon .accent-fill { fill: var(--green); stroke: none; }
.icon--lg { width: 32px; height: 32px; }
.icon--sm { width: 20px; height: 20px; }
.icon--white { stroke: var(--white); }

/* ---------- Карточки ---------- */
.card {
  position: relative;
  display: flex; flex-direction: column;
  padding: var(--s-4);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--white);
  transition: border-color var(--t-fast), transform var(--t-base) var(--ease-out);
}
.card:hover { border-color: var(--green); }
.card__icon { margin-bottom: var(--s-4); }
.card h3 { margin-bottom: var(--s-2); }
.card p { flex: 1; }
.card__foot { margin-top: var(--s-4); display: flex; justify-content: space-between; align-items: center; gap: var(--s-3); }
.card__num { position: absolute; top: var(--s-4); right: var(--s-4); }

.card--dark { background: var(--ink); border-color: rgba(255,255,255,.1); }
.card--dark h3, .card--dark h4 { color: var(--white); }
.card--dark p { color: var(--ink-300); }
.card--dark:hover { border-color: var(--green); }

.card--stat { background: var(--green-tint); border-color: var(--green-tint-2); }

.services__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.services__grid .card { min-height: 280px; }

.card--wide { grid-column: span 2; }
.card--wide__body { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-4); flex: 1; }
.card--wide__body p { flex: none; }
.card--wide__list { display: grid; gap: 10px; align-content: start; padding-top: 6px; }
.card--wide__list li { display: flex; gap: 12px; align-items: baseline; font-size: 15px; line-height: 1.45; color: var(--ink-200); }
.card--wide__list .mono { color: var(--green); flex: none; }
.card--dark .card__num { color: var(--ink-300); }
.card--dark .card__icon { stroke: var(--white); }

/* ---------- Строительство (тёмная секция) ---------- */
.section--dark { background: var(--ink); color: var(--ink-300); }
.section--dark h2, .section--dark h3, .section--dark h4 { color: var(--white); }
.section--dark .eyebrow { color: var(--ink-300); }
.section--dark .mono { color: var(--ink-300); }
.section--dark .lead { color: var(--ink-200); }

.stages { position: relative; margin-top: var(--s-6); }
.stages__track {
  position: absolute; left: 0; right: 0; top: 11px; height: 2px;
  background: rgba(255,255,255,.12);
}
.stages__progress {
  position: absolute; left: 0; top: 0; bottom: 0; width: 0;
  background: var(--green);
  transition: width 1.4s var(--ease-out);
}
.stages.is-visible .stages__progress { width: 100%; }

.stages__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--gap);
}
.stage { position: relative; padding-top: var(--s-5); }
.stage__dot {
  position: absolute; top: 5px; left: 0;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--ink); border: 2px solid rgba(255,255,255,.35);
  transition: border-color var(--t-fast), background-color var(--t-fast);
  transition-delay: calc(var(--i, 0) * .3s);
}
.stages.is-visible .stage__dot { border-color: var(--green); background: var(--green); }
.stage__num { font-family: var(--font-mono); font-size: 12px; color: var(--green); margin-bottom: var(--s-2); }
.stage h3 { font-size: 20px; margin-bottom: var(--s-2); }
.stage p { font-size: 15px; line-height: 1.55; }

.facts {
  margin-top: var(--s-7);
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gap);
}
.fact {
  padding: var(--s-4);
  border: 1px solid rgba(255,255,255,.12); border-radius: var(--r-lg);
}
.fact__value { font-family: var(--font-display); font-size: 32px; line-height: 1.1; font-weight: 500; color: var(--white); letter-spacing: -0.02em; }
.fact__value small { font-size: 16px; color: var(--ink-300); font-weight: 400; margin-left: 4px; }
.fact p { margin-top: 6px; font-size: 15px; }

/* ---------- Покрытие ---------- */
.section--tint { background: var(--green-tint); }
.coverage__grid { align-items: start; }
.coverage__form { grid-column: 1 / span 5; }
.coverage__visual { grid-column: 7 / span 6; }

.panel {
  padding: var(--s-5);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}
.panel h2 { margin-bottom: var(--s-2); }
.panel > p { margin-bottom: var(--s-4); }

/* ---------- Формы ---------- */
.form { display: grid; gap: var(--s-3); }
.form__row { display: grid; gap: var(--s-3); grid-template-columns: 1fr 1fr; }
.field { display: grid; gap: 6px; }
.field label { font-size: 14px; font-weight: 500; color: var(--ink); }
.field input:not([type="checkbox"]), .field textarea {
  width: 100%;
  min-height: var(--control-h);
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--white);
  font: inherit; font-size: 16px; color: var(--ink);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  -webkit-appearance: none; appearance: none;
}
.field textarea { min-height: 112px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-300); }
.field input:not([type="checkbox"]):focus, .field textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-tint-2);
}
.field.is-invalid input:not([type="checkbox"]), .field.is-invalid textarea { border-color: #c2412d; }
.field__error { font-size: 13px; color: #c2412d; display: none; }
.field.is-invalid .field__error { display: block; }

.check { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--ink-600); cursor: pointer; }
.check input {
  flex: none; margin: 3px 0 0;
  width: 18px; height: 18px;
  accent-color: var(--green);
}
.check a { text-decoration: underline; text-underline-offset: 2px; }

.form__foot { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); flex-wrap: wrap; }
.form__hint { font-size: 13px; color: var(--ink-400); }

.form__status {
  display: none;
  align-items: flex-start; gap: 12px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  font-size: 15px;
}
.form__status.is-success { display: flex; background: var(--green-tint); color: var(--green-deep); border: 1px solid var(--green-tint-2); }
.form__status.is-error { display: flex; background: #fbf0ee; color: #a63a28; border: 1px solid #f2d9d3; }
.form__status svg { width: 20px; height: 20px; flex: none; margin-top: 2px; }

.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* Схема покрытия */
.coverage-map {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--white);
  padding: var(--s-4);
}
.coverage-map__head { display: flex; justify-content: space-between; align-items: center; gap: var(--s-3); margin-bottom: var(--s-3); flex-wrap: wrap; }
.coverage-map__legend { display: flex; gap: var(--s-3); flex-wrap: wrap; }
.coverage-map svg { width: 100%; height: auto; }
.coverage-map .line { stroke: var(--ink-200); stroke-width: 2; fill: none; stroke-linecap: round; }
.coverage-map .line--active { stroke: var(--green); stroke-width: 2.5; }
.coverage-map .line--wip { stroke: var(--gold); stroke-width: 2; stroke-dasharray: 6 6; }
.coverage-map .node { fill: var(--green); }
.coverage-map .mufta { fill: var(--white); stroke: var(--ink); stroke-width: 1.5; }
.coverage-map .obj { fill: var(--white); stroke: var(--ink); stroke-width: 1.5; }
.coverage-map .obj--on { fill: var(--green-tint); stroke: var(--green-deep); }
.coverage-map .obj--wip { stroke: var(--gold); }
.coverage-map .obj--off { stroke: var(--ink-300); stroke-dasharray: 3 3; }
.coverage-map .pulse { fill: var(--green); }
.coverage-map text { font-family: var(--font-mono); font-size: 11px; fill: var(--ink-400); }
.coverage-map .grid-line { stroke: var(--bg); stroke-width: 1; }

.coverage__steps { margin-top: var(--s-4); display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--s-3); }
.coverage__step { display: grid; gap: 4px; padding: var(--s-3); border-radius: var(--r-md); background: var(--white); border: 1px solid var(--border); }
.coverage__step b { font-family: var(--font-mono); font-weight: 500; font-size: 12px; color: var(--green-deep); }
.coverage__step span { font-size: 14px; color: var(--ink-600); line-height: 1.45; }

/* ---------- Проекты ---------- */
.projects__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.project { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.project__photo {
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, var(--bg) 0%, var(--border) 100%);
  border-bottom: 1px solid var(--border);
  display: grid; place-items: center;
  position: relative;
  overflow: hidden;
}
.project__photo::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: .6;
}
.project__photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.project__photo .mono { position: relative; }
.project__body { padding: var(--s-4); display: flex; flex-direction: column; gap: var(--s-2); flex: 1; }
.project__meta { display: flex; gap: var(--s-3); flex-wrap: wrap; margin-top: auto; padding-top: var(--s-3); border-top: 1px solid var(--border); }
.project__meta .mono { color: var(--ink); }
.project__meta .mono b { font-weight: 500; color: var(--green-deep); }

/* ---------- О компании ---------- */
.about__grid { align-items: start; }
.about__copy { grid-column: 1 / span 5; }
.about__list { grid-column: 7 / span 6; display: grid; gap: var(--s-4); }
.principle { display: grid; grid-template-columns: 48px 1fr; gap: var(--s-3); padding-bottom: var(--s-4); border-bottom: 1px solid var(--border); }
.principle:last-child { border-bottom: 0; padding-bottom: 0; }
.principle__icon { width: 48px; height: 48px; border-radius: var(--r-md); background: var(--white); border: 1px solid var(--border); display: grid; place-items: center; }
.principle h3 { font-size: 20px; margin-bottom: 4px; }
.principle p { font-size: 15px; }

.docs { margin-top: var(--s-6); display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--gap); }
.doc {
  display: flex; align-items: center; gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  border: 1px solid var(--border); border-radius: var(--r-md);
  background: var(--white); color: var(--ink);
  transition: border-color var(--t-fast);
}
.doc:hover { border-color: var(--green); color: var(--ink); }
.doc__text { display: grid; gap: 2px; }
.doc__text b { font-weight: 500; font-size: 15px; }
.doc svg.arrow { margin-left: auto; width: 18px; height: 18px; stroke: var(--ink-400); }

/* ---------- Заявка ---------- */
.request__grid { align-items: start; }
.request__copy { grid-column: 1 / span 5; }
.request__form { grid-column: 7 / span 6; }
.contacts { margin-top: var(--s-5); display: grid; gap: var(--s-3); }
.contact { display: grid; gap: 2px; padding-top: var(--s-3); border-top: 1px solid rgba(255,255,255,.12); }
.contact .mono { color: var(--ink-300); }
.contact a, .contact span { font-family: var(--font-display); font-size: 22px; color: var(--white); font-weight: 400; }
.contact a:hover { color: var(--green); }

.section--dark .panel { background: var(--white); border-color: transparent; }
.section--dark .panel h2, .section--dark .panel h3 { color: var(--ink); }
.section--dark .panel p { color: var(--ink-600); }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: var(--ink-300); padding: var(--s-7) 0 var(--s-5); border-top: 1px solid rgba(255,255,255,.08); }
.footer__grid { display: grid; grid-template-columns: 4fr 2fr 2fr 3fr; gap: var(--gap); }
.footer__brand img { height: 48px; width: auto; margin-bottom: var(--s-3); }
.footer__brand p { font-size: 15px; max-width: 34ch; }
.footer h4 { color: var(--white); font-size: 14px; font-family: var(--font-mono); font-weight: 500; letter-spacing: .04em; text-transform: none; margin-bottom: var(--s-3); }
.footer ul { display: grid; gap: 10px; }
.footer a { color: var(--ink-300); font-size: 15px; }
.footer a:hover { color: var(--white); }
.footer__bottom {
  margin-top: var(--s-6); padding-top: var(--s-4);
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex; justify-content: space-between; gap: var(--s-3); flex-wrap: wrap;
  font-size: 13px;
}

/* ---------- Reveal-анимации ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out);
  transition-delay: var(--delay, 0ms);
  will-change: opacity, transform;
}
[data-reveal].is-visible { opacity: 1; transform: none; }

[data-reveal-group] > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out);
}
[data-reveal-group].is-visible > * { opacity: 1; transform: none; }
[data-reveal-group].is-visible > :nth-child(1) { transition-delay: 0ms; }
[data-reveal-group].is-visible > :nth-child(2) { transition-delay: 80ms; }
[data-reveal-group].is-visible > :nth-child(3) { transition-delay: 160ms; }
[data-reveal-group].is-visible > :nth-child(4) { transition-delay: 240ms; }
[data-reveal-group].is-visible > :nth-child(5) { transition-delay: 320ms; }
[data-reveal-group].is-visible > :nth-child(6) { transition-delay: 400ms; }

/* ---------- Мобильная навигация ---------- */
.nav-mobile {
  display: none;
  position: fixed; inset: var(--header-h) 0 0;
  z-index: 90;
  background: var(--bg);
  padding: var(--s-4);
  flex-direction: column; gap: var(--s-2);
  transform: translateY(-8px); opacity: 0;
  transition: transform var(--t-fast), opacity var(--t-fast);
}
.nav-open .nav-mobile { display: flex; transform: none; opacity: 1; }
.nav-mobile a {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px; padding: 0 var(--s-3);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-display); font-size: 22px; color: var(--ink);
}
.nav-mobile .btn { margin-top: var(--s-4); }
.nav-mobile__contact { margin-top: auto; display: grid; gap: 6px; }

/* ---------- Адаптив ---------- */
@media (max-width: 1100px) {
  .services__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card--wide__body { grid-template-columns: 1fr; }
  .projects__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .docs { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  :root { --s-8: 72px; --header-h: 64px; }
  .nav, .header__phone { display: none; }
  .header__actions .btn { display: none; }
  .burger { display: flex; }
  .logo img { height: 40px; }

  .hero { padding-top: var(--s-6); }
  .hero__copy, .hero__visual { grid-column: 1 / -1; }
  .hero__visual { margin-top: var(--s-5); }

  .section-head__title, .section-head__aside { grid-column: 1 / -1; }
  .section-head { margin-bottom: var(--s-5); }

  .stats__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat { padding: var(--s-4) var(--s-3) var(--s-4) var(--s-3); border-top: 1px solid var(--border); }
  .stat:nth-child(1), .stat:nth-child(2) { border-top: 0; }
  .stat:nth-child(odd) { border-left: 0; padding-left: 0; }
  .stat__value { font-size: 32px; }

  .audience__label, .audience__list { grid-column: 1 / -1; }

  .stages__grid { grid-template-columns: 1fr 1fr; row-gap: var(--s-5); }
  .stages__track { display: none; }
  .stage { padding-top: 0; padding-left: 28px; }
  .stage__dot { top: 4px; }
  .facts { grid-template-columns: 1fr; }

  .coverage__form, .coverage__visual, .about__copy, .about__list, .request__copy, .request__form { grid-column: 1 / -1; }
  .coverage__visual, .about__list, .request__form { margin-top: var(--s-5); }
  .coverage__steps { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .lead { font-size: 17px; }
  .services__grid, .projects__grid, .docs, .stages__grid { grid-template-columns: 1fr; }
  .services__grid .card { min-height: 0; }
  .card--wide { grid-column: auto; }
  .form__row { grid-template-columns: 1fr; }
  .panel { padding: var(--s-4); }
  .hero__actions .btn { width: 100%; }
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .scheme__badge { position: static; margin-top: var(--s-3); }
  .section-head__aside .btn { align-self: stretch; justify-content: center; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal], [data-reveal-group] > * { opacity: 1; transform: none; }
  .scheme .line--active { stroke-dashoffset: 0; }
  .scheme .node-ring { display: none; }
  .stages__progress { width: 100%; }
}