/* Глобал инжиниринг: токены и общие стили. Версия 4 дописывает css/v4.css. */
@font-face { font-family: "Unbounded"; src: url("../assets/fonts/unbounded-cyr.woff2?v=3a5ed4d1") format("woff2"); font-weight: 200 900; font-display: swap; unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Unbounded"; src: url("../assets/fonts/unbounded-lat.woff2?v=8616dc35") format("woff2"); font-weight: 200 900; font-display: swap; unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Manrope"; src: url("../assets/fonts/manrope-cyr.woff2?v=e58febde") format("woff2"); font-weight: 200 800; font-display: swap; unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Manrope"; src: url("../assets/fonts/manrope-lat.woff2?v=938c6e80") format("woff2"); font-weight: 200 800; font-display: swap; unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

:root {
  /* Палитра: металл, светлый синий, графит и чёрный, молочный */
  --black: #0d0f12;
  --graphite: #1b1f24;
  --white: #ffffff;
  --milk: #f4f1ea;
  --sky: #8ec5ec;
  --sky-deep: #4f8fc0;
  --metal: linear-gradient(135deg, #eef1f4 0%, #b9c2cb 38%, #8e99a5 62%, #d3d9df 100%);
  /* Те же цвета тройкой RGB, для полупрозрачных вариантов: rgba(var(--bg-rgb), .9) */
  --bg-rgb: 7, 9, 11;
  --sky-rgb: 142, 197, 236;
  --milk-rgb: 244, 241, 234;

  /* Роли. Тёмная тема по умолчанию; .theme-light переопределяет текст, линии, панели и фокус */
  --bg: #07090b;
  --bg-raised: #0b0e12;
  --panel: #1f2329;
  --panel-2: #282d34;
  --line: #2f353d;
  --hair: rgba(255, 255, 255, .08);
  --hair-2: rgba(255, 255, 255, .1);
  --hair-3: rgba(255, 255, 255, .14);
  --text: var(--milk);
  --text-2: #c3c9cf;
  --text-3: #b9c0c8;
  --text-4: #a9b2bb;
  --muted: #9aa3ad;
  --faint: #8b939d;
  --dim: #59616b;
  --accent: var(--sky);
  --focus: var(--sky);
  --on-light: #15181c;
  --danger: #e07a6e;
  --danger-soft: rgba(224, 122, 110, .12);
  --danger-text: #ffb3aa;

  /* Слои */
  --z-fab: 50;
  --z-header: 60;
  --z-dive: 120;
  --z-skip: 200;

  --display: "Unbounded", "Arial Black", system-ui, sans-serif;
  --sans: "Manrope", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  --gutter: clamp(16px, 4vw, 56px);
  --header-h: 56px;
  --ease: cubic-bezier(.77, 0, .18, 1);
  --ease-out: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); -webkit-text-size-adjust: 100%; }
html, body { overflow-x: clip; }
body { margin: 0; background: var(--black); color: var(--text); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
body.is-locked { overflow: hidden; }
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }

.theme-light { --text: var(--graphite); --muted: #5d6670; --line: #d8d2c6; --panel: var(--white); --panel-2: #f6f3ed; --focus: #2f6fa3; background: var(--milk); color: var(--text); }
.theme-graphite { background: var(--graphite); }
.wrap { width: 100%; max-width: 1320px; margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: fixed; left: 16px; top: -60px; z-index: var(--z-skip); background: var(--white); color: var(--black); padding: 10px 16px; }
.skip:focus { top: 12px; }

.brand { font: 700 13px/1 var(--display); letter-spacing: .08em; text-transform: uppercase; text-decoration: none; white-space: nowrap; }
.brand--small { font-size: 11px; }

.eyebrow { margin: 0 0 18px; font: 600 11px/1.2 var(--sans); letter-spacing: .22em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 12px; }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--accent); }
.eyebrow--dark { color: rgba(var(--milk-rgb), .6); }
.eyebrow--dark::before { background: var(--sky); }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 26px; border: 1px solid transparent; font: 700 12px/1.2 var(--sans); letter-spacing: .14em; text-transform: uppercase; text-decoration: none; text-align: center; transition: background .25s, color .25s, border-color .25s, transform .15s; }
.btn--accent { background: var(--accent); color: var(--on-light); }
.btn--accent:hover, .btn--accent:focus-visible { background: var(--milk); color: var(--on-light); }
.theme-light .btn--accent:hover, .theme-light .btn--accent:focus-visible { background: var(--graphite); color: var(--milk); }

.btn--line { border-color: rgba(255, 255, 255, .35); color: var(--white); }
.btn--line:hover, .btn--line:focus-visible { border-color: var(--white); }
.btn:active { transform: scale(.97); }

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Шапка ---------- */
.header { position: sticky; top: 0; z-index: var(--z-header); height: var(--header-h); background: rgba(var(--bg-rgb), .92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header__inner { height: 100%; display: flex; align-items: center; gap: 32px; padding: 0 var(--gutter); }
.nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 34px); margin-left: auto; }
.nav a { position: relative; text-decoration: none; font: 600 11px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--text-2); padding: 8px 0; transition: color .2s; }
.nav a:hover, .nav a:focus-visible, .nav a[aria-current="page"] { color: var(--white); }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--white); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease-out); }
.nav a:hover::after, .nav a:focus-visible::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }

.nav-toggle, .burger { display: none; }

@media (max-width: 720px) {
  .burger { display: grid; place-items: center; width: 44px; height: 44px; margin-left: auto; cursor: pointer; }
  .burger span, .burger span::before, .burger span::after { display: block; width: 22px; height: 1.5px; background: var(--white); position: relative; transition: transform .25s, background .25s; }
  .burger span::before, .burger span::after { content: ""; position: absolute; left: 0; }
  .burger span::before { top: -7px; }
  .burger span::after { top: 7px; }
  .nav-toggle { display: block; position: absolute; right: var(--gutter); width: 44px; height: 44px; margin: 0; opacity: 0; cursor: pointer; z-index: 2; }
  .nav-toggle:focus-visible + .burger { outline: 2px solid var(--focus); }
  .nav-toggle:checked + .burger span { background: transparent; }
  .nav-toggle:checked + .burger span::before { transform: translateY(7px) rotate(45deg); }
  .nav-toggle:checked + .burger span::after { transform: translateY(-7px) rotate(-45deg); }
  .nav { position: fixed; inset: var(--header-h) 0 auto 0; height: calc(100dvh - var(--header-h)); flex-direction: column; align-items: stretch; gap: 0; padding: 24px var(--gutter); background: var(--black); transform: translateX(100%); transition: transform .5s var(--ease); visibility: hidden; }
  .nav-toggle:checked ~ .nav { transform: none; visibility: visible; }
  .nav a { font: 700 22px/1.2 var(--display); letter-spacing: 0; padding: 18px 0; border-bottom: 1px solid var(--line); color: var(--white); }
  .nav a::after { display: none; }
}

/* ---------- Витрина изделий ---------- */
.play { display: inline-flex; align-items: center; gap: 16px; text-align: left; color: var(--white); }
.play__icon { position: relative; flex-shrink: 0; width: 52px; height: 52px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .45); transition: border-color .25s, background .25s, transform .4s var(--ease-out); }
.play__icon::after { content: ""; position: absolute; left: 50%; top: 50%; margin: -6px 0 0 -3px; border-left: 10px solid currentColor; border-top: 6px solid transparent; border-bottom: 6px solid transparent; }
.play:focus-visible .play__icon { background: var(--white); color: var(--black); border-color: var(--white); transform: scale(1.06); }
@media (hover: hover) { .play:hover .play__icon { background: var(--white); color: var(--black); border-color: var(--white); transform: scale(1.06); } }
.play:active .play__icon { transform: scale(.94); }
.play__label { display: flex; flex-direction: column; gap: 4px; }
.play__label b { font: 700 13px/1 var(--sans); }
.play__label span { font: 600 10px/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }

.more { display: inline-flex; align-items: center; gap: 14px; font: 700 11px/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; text-decoration: none; color: var(--white); padding: 8px 0; }
.more i { position: relative; width: 36px; height: 1px; background: currentColor; transition: width .35s var(--ease-out); }
.more i::after { content: ""; position: absolute; right: 0; top: -3px; width: 7px; height: 7px; border-top: 1px solid; border-right: 1px solid; transform: rotate(45deg); }
.more:hover i, .more:focus-visible i { width: 52px; }

/* Появление текста: герой и разбор */
@keyframes rise { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }

/* Шторка перехода между слайдами героя */
@keyframes wipe { 0% { clip-path: inset(0 0 0 calc(100% - var(--peek))); } 45% { clip-path: inset(0 0 0 0); } 55% { clip-path: inset(0 0 0 0); } 100% { clip-path: inset(0 100% 0 0); } }

.dots { display: flex; gap: 10px; }
.dots button { width: 7px; height: 7px; border-radius: 50%; background: rgba(255, 255, 255, .3); transition: background .3s, transform .3s; }
.dots button[aria-selected="true"] { background: transparent; box-shadow: 0 0 0 1.5px var(--white); transform: scale(1.3); }
.counter { font: 600 11px/1 var(--sans); letter-spacing: .14em; color: var(--muted); }
.counter b { color: var(--white); }

.arrow { width: 40px; height: 40px; position: relative; }
.arrow::after { content: ""; position: absolute; left: 50%; top: 50%; width: 8px; height: 8px; margin: -4px 0 0 -4px; border-top: 1.5px solid var(--white); border-right: 1.5px solid var(--white); transform: rotate(45deg); }
.arrow--prev::after { transform: rotate(-135deg); }
.arrow:hover, .arrow:focus-visible { background: var(--hair); }
.arrow:active { background: var(--hair-2); }

/* Плавающая кнопка */
.fab { position: fixed; right: 20px; bottom: 20px; z-index: var(--z-fab); width: 52px; height: 52px; border-radius: 50%; background: var(--white); display: grid; place-items: center; box-shadow: 0 10px 30px rgba(0, 0, 0, .4); transition: transform .3s var(--ease-out); }
.fab span { width: 18px; height: 14px; border-radius: 3px; background: var(--black); position: relative; }
.fab span::after { content: ""; position: absolute; left: 3px; bottom: -5px; border-left: 5px solid var(--black); border-bottom: 5px solid transparent; }
.fab:focus-visible { transform: scale(1.08); }
@media (hover: hover) { .fab:hover { transform: scale(1.08); } }
.fab:active { transform: scale(.96); }

/* ---------- Секции ---------- */
.section { padding: clamp(80px, 11vw, 150px) 0; border-top: 1px solid var(--line); }
.section__head { max-width: 820px; margin-bottom: clamp(36px, 5vw, 60px); }
.section__title { font: 800 clamp(28px, 4vw, 56px)/1.02 var(--display); text-transform: uppercase; letter-spacing: -.01em; margin-bottom: 20px; }
.section__intro { font-size: 17px; color: var(--muted); max-width: 40em; }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--text); margin-bottom: 18px; }

/* Что нужно для подбора */
.needs { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.needs li { padding-top: 22px; border-top: 2px solid var(--text); color: var(--muted); font-size: 15px; }
.needs span { display: block; font: 700 12px/1 var(--display); color: var(--sky-deep); margin-bottom: 18px; }
.needs b { display: block; font: 700 18px/1.2 var(--display); text-transform: uppercase; color: var(--text); margin-bottom: 10px; }

.ticks { list-style: none; margin: 30px 0 0; padding: 0; }
.ticks li { position: relative; padding: 14px 0 14px 30px; border-top: 1px solid var(--line); font-size: 15px; }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 22px; width: 12px; height: 1px; background: var(--accent); }

/* Обращение */
.request { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.request__intro > p:not(.eyebrow) { color: var(--muted); }

.form, .result { background: var(--panel); border: 1px solid var(--line); padding: clamp(22px, 3vw, 40px); }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 18px; }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field--wide { grid-column: 1 / -1; }
.field label { font: 700 11px/1.2 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--text-2); }
.req { color: var(--accent); }
.field input, .field select, .field textarea { width: 100%; min-height: 50px; padding: 13px 14px; border: 1px solid var(--line); border-radius: 0; background: var(--black); color: var(--white); font-size: 16px; transition: border-color .2s; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--faint) 50%), linear-gradient(135deg, var(--faint) 50%, transparent 50%); background-position: calc(100% - 20px) 22px, calc(100% - 15px) 22px; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 40px; }
.field textarea { resize: vertical; min-height: 130px; }
.field input::placeholder, .field textarea::placeholder { color: var(--dim); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field [aria-invalid="true"] { border-color: var(--danger); }
.hint { font-size: 13px; color: var(--muted); }
.form__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.form__error { grid-column: 1 / -1; padding: 12px 14px; background: var(--danger-soft); color: var(--danger-text); font-size: 14px; }
.result__status { display: inline-block; padding: 7px 12px; background: rgba(var(--sky-rgb), .16); color: var(--sky); font: 700 11px/1.3 var(--sans); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 18px; }
.result h3 { font: 700 18px/1.2 var(--display); text-transform: uppercase; margin-bottom: 14px; }
.result__text { white-space: pre-wrap; word-break: break-word; margin: 0 0 22px; padding: 18px; background: var(--black); border: 1px solid var(--line); font: 14px/1.7 var(--sans); color: #dfe4e9; }
.result .hint { margin-top: 12px; }
.request .result { grid-column: 2; }

/* Контакты */
.contacts__list { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 36px; }
.contacts__list div { padding: 18px 0; border-top: 1px solid var(--line); }
.contacts__list dt { font: 700 11px/1.3 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.contacts__list dd { margin: 0; font: 700 20px/1.2 var(--display); }

.footer { padding: 30px 0 90px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 32px; }
.footer__inner span:last-child { margin-left: auto; }

/* ---------- Адаптив ---------- */
@media (max-width: 1100px) {
  .needs { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .request { grid-template-columns: 1fr; }
  .request .result { grid-column: 1; }
}
@media (max-width: 760px) {
  .counter { display: none; }
}
@media (max-width: 600px) {
  .needs, .contacts__list, .form { grid-template-columns: 1fr; }
  .actions .btn, .form__actions .btn { width: 100%; }
  .footer__inner span:last-child { margin-left: 0; }
  .fab { width: 46px; height: 46px; right: 14px; bottom: 14px; }
}