/* VSPANDEXE — корпоративная тема, чёрный + оранжевый.
   Палитра задана переменными: тёмная по умолчанию, светлая через [data-theme="light"]. */

:root {
  --bg: #0b0b0b;
  --bg-elev: #131313;
  --surface: #171717;
  --surface-2: #1e1e1e;
  --border: #2a2a2a;
  --border-strong: #3a3a3a;
  --text: #f2f2f2;
  --text-dim: #a6a6a6;
  --text-faint: #767676;
  --accent: #ff9000;
  --accent-hover: #ffa42e;
  --accent-ink: #0b0b0b;
  --accent-soft: rgba(255, 144, 0, 0.12);
  --shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 8px 24px rgba(0, 0, 0, .35);
  --radius: 6px;
  --radius-lg: 10px;
  --wrap: 1240px;
  --gap: 24px;
  --header-h: 68px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

[data-theme="light"] {
  --bg: #ffffff;
  --bg-elev: #ffffff;
  --surface: #f6f6f6;
  --surface-2: #efefef;
  --border: #e3e3e3;
  --border-strong: #cfcfcf;
  --text: #0f0f0f;
  --text-dim: #565656;
  --text-faint: #7b7b7b;
  --accent: #f08000;
  --accent-hover: #d97200;
  --accent-ink: #ffffff;
  --accent-soft: rgba(240, 128, 0, 0.1);
  --shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 8px 24px rgba(0, 0, 0, .07);
  color-scheme: light;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.15; letter-spacing: -.02em; }
h1 { font-size: clamp(2rem, 1.2rem + 2.6vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 1.1rem + 1.3vw, 2.2rem); }
h3 { font-size: 1.16rem; letter-spacing: -.01em; }
p { margin: 0 0 1rem; }
ul { margin: 0; padding: 0; list-style: none; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: var(--accent-ink);
  padding: 10px 16px; z-index: 200; font-weight: 600;
}
.skip:focus { left: 8px; top: 8px; }

/* ------------------------------------------------------------------ шапка */
.header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header__in {
  height: var(--header-h);
  display: flex; align-items: center; gap: 20px;
}
.logo {
  display: inline-flex; align-items: center; gap: 9px;
  color: var(--text); font-weight: 800; letter-spacing: .06em;
  font-size: 1.02rem; white-space: nowrap;
}
.logo:hover { color: var(--text); }
.logo__mark {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  border-radius: 4px; padding: 3px 7px; font-size: .95rem; font-weight: 900;
  letter-spacing: -.02em;
}
.logo__text { font-weight: 800; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.nav a {
  color: var(--text-dim); padding: 8px 11px; border-radius: var(--radius);
  font-size: .93rem; font-weight: 500; white-space: nowrap;
}
.nav a:hover { color: var(--text); background: var(--surface); }
.nav a[aria-current="page"] { color: var(--accent); background: var(--accent-soft); }

.header__tools { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.iconbtn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 38px; min-width: 38px; padding: 0 11px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); color: var(--text-dim);
  font-family: inherit; font-size: .85rem; font-weight: 600; cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.iconbtn:hover { color: var(--text); border-color: var(--border-strong); }
.iconbtn svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.theme-toggle .i-sun { display: none; }
[data-theme="light"] .theme-toggle .i-sun { display: block; }
[data-theme="light"] .theme-toggle .i-moon { display: none; }

.burger { display: none; }

/* кнопки */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border-radius: var(--radius);
  font-weight: 700; font-size: .95rem; line-height: 1;
  border: 1px solid transparent; cursor: pointer; font-family: inherit;
  transition: background .15s, color .15s, border-color .15s, transform .08s;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: var(--accent-ink); }
.btn--primary:hover { background: var(--accent-hover); color: var(--accent-ink); }
.btn--ghost { border-color: var(--border-strong); color: var(--text); background: transparent; }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--sm { padding: 9px 15px; font-size: .88rem; }
.header .btn { white-space: nowrap; }

/* ------------------------------------------------------------------ секции */
.section { padding: 76px 0; }
.section--tight { padding: 52px 0; }
.section--alt { background: var(--bg-elev); border-block: 1px solid var(--border); }
.section__head { max-width: 760px; margin-bottom: 40px; }
.section__head p { color: var(--text-dim); font-size: 1.05rem; margin: 14px 0 0; }

.kicker {
  display: inline-block; color: var(--accent);
  font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase;
  margin-bottom: 14px;
}

/* ------------------------------------------------------------------ герой */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--border); }
.hero::before {
  content: ""; position: absolute; inset: -40% 40% 40% -10%;
  background: radial-gradient(closest-side, var(--accent-soft), transparent 70%);
  pointer-events: none;
}
.hero__in { position: relative; padding-block: 92px 84px; display: grid; gap: 48px; grid-template-columns: 1.15fr .85fr; align-items: center; }
.hero--narrow .hero__in { grid-template-columns: 1fr; padding-block: 72px 58px; }
.hero--narrow .hero__in > div { max-width: 880px; }
.hero p.hero__lead { color: var(--text-dim); font-size: 1.14rem; margin: 22px 0 0; max-width: 62ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero__points { margin-top: 34px; display: grid; gap: 12px; }
.hero__points li { display: flex; gap: 11px; align-items: flex-start; color: var(--text-dim); }
.hero__points svg { flex: 0 0 auto; width: 19px; height: 19px; margin-top: 3px; stroke: var(--accent); fill: none; stroke-width: 2.2; }

.hero__panel {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface); box-shadow: var(--shadow); overflow: hidden;
}
.hero__panel-top {
  display: flex; align-items: center; gap: 7px;
  padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--surface-2);
}
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--border-strong); }
.dot--live { background: var(--accent); }
.hero__panel-title { font-size: .82rem; color: var(--text-faint); margin-left: 6px; letter-spacing: .04em; }
.chat { padding: 18px; display: grid; gap: 12px; }
.msg { max-width: 86%; padding: 11px 14px; border-radius: 12px; font-size: .92rem; line-height: 1.5; }
.msg--in { background: var(--surface-2); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.msg--out { background: var(--accent); color: var(--accent-ink); margin-left: auto; border-bottom-right-radius: 4px; font-weight: 500; }
.msg b { font-weight: 700; }

/* ------------------------------------------------------------------ статистика */
/* Фон полосы — как у страницы: серый фон обёртки вылезал полями по бокам от .stats
   на экранах шире --wrap (замечание Стаса 24.09.2026). Разделители между цифрами
   дают зазоры сетки .stats, им фон обёртки не нужен. */
.stats-wrap { border-block: 1px solid var(--border); background: var(--bg); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border);
  max-width: var(--wrap); margin: 0 auto; }
.stat { background: var(--bg); padding: 30px 24px; }
@media (max-width: 720px) { .stat { padding: 22px 18px; } }
.stat__num { font-size: 2.1rem; font-weight: 800; color: var(--accent); letter-spacing: -.03em; line-height: 1; }
.stat__label { color: var(--text-dim); font-size: .92rem; margin-top: 9px; }

/* ------------------------------------------------------------------ карточки */
.grid { display: grid; gap: var(--gap); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 26px;
  display: flex; flex-direction: column; gap: 12px;
  transition: border-color .15s, transform .15s;
}
.card--link:hover { border-color: var(--accent); transform: translateY(-2px); }
.card__icon {
  width: 42px; height: 42px; border-radius: var(--radius);
  background: var(--accent-soft); display: grid; place-items: center; margin-bottom: 4px;
}
.card__icon svg { width: 21px; height: 21px; stroke: var(--accent); fill: none; stroke-width: 1.9; }
.card p { color: var(--text-dim); margin: 0; font-size: .96rem; }
.card__list { display: grid; gap: 8px; margin-top: 4px; }
.card__list li { color: var(--text-dim); font-size: .92rem; padding-left: 18px; position: relative; }
.card__list li::before {
  content: ""; position: absolute; left: 0; top: .6em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}
.card__foot { margin-top: auto; padding-top: 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card__price { font-size: 1.32rem; font-weight: 800; letter-spacing: -.02em; }
.card__price small { font-size: .8rem; font-weight: 600; color: var(--text-faint); margin-right: 4px; }
.card__price-note { font-size: .86rem; color: var(--text-faint); font-weight: 500; }
.card__more { font-weight: 700; font-size: .9rem; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }

.card--featured { border-color: var(--accent); position: relative; }
.card--featured::after {
  content: attr(data-badge); position: absolute; top: -10px; left: 24px;
  background: var(--accent); color: var(--accent-ink);
  font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 3px;
}

/* нумерованные шаги */
.steps { counter-reset: step; display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.steps--4 { grid-template-columns: repeat(4, 1fr); }
.step { background: var(--surface); padding: 26px; }
.step__num {
  counter-increment: step; font-size: .78rem; font-weight: 800; letter-spacing: .1em;
  color: var(--accent); margin-bottom: 12px; display: block;
}
.step__num::before { content: "0" counter(step); }
.step h3 { margin-bottom: 8px; }
.step p { color: var(--text-dim); font-size: .94rem; margin: 0; }

/* список преимуществ / текстовые блоки */
.feature { display: grid; gap: 10px; padding: 24px 0; border-top: 1px solid var(--border); }
.feature:first-child { border-top: 0; }
.feature h3 { color: var(--text); }
.feature p { color: var(--text-dim); margin: 0; }

.prose { max-width: 72ch; }
.prose p { color: var(--text-dim); font-size: 1.02rem; }
.prose h2 { margin: 38px 0 16px; }

.checklist { display: grid; gap: 13px; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-dim); }
.checklist svg { flex: 0 0 auto; width: 19px; height: 19px; margin-top: 4px; stroke: var(--accent); fill: none; stroke-width: 2.2; }

/* ценовой блок на странице услуги */
.pricebox {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface); padding: 28px; box-shadow: var(--shadow);
  position: sticky; top: calc(var(--header-h) + 24px);
}
.pricebox__label { color: var(--text-faint); font-size: .86rem; font-weight: 600; letter-spacing: .04em; }
.pricebox__price { font-size: 2.5rem; font-weight: 800; letter-spacing: -.035em; margin: 8px 0 4px; line-height: 1; }
.pricebox__price small { font-size: 1rem; font-weight: 600; color: var(--text-faint); }
.pricebox__price--ask { font-size: 1.5rem; }
.pricebox__note { color: var(--text-dim); font-size: .92rem; margin: 14px 0 20px; }
.pricebox .btn { width: 100%; }

.service-layout { display: grid; grid-template-columns: 1.55fr .95fr; gap: 56px; align-items: start; }

/* FAQ */
.faq { display: grid; gap: 10px; max-width: 860px; }
.faq details {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); padding: 0 20px;
}
.faq details[open] { border-color: var(--border-strong); }
.faq summary {
  cursor: pointer; list-style: none; padding: 17px 0;
  font-weight: 650; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; color: var(--accent); font-size: 1.35rem; font-weight: 400; line-height: 1;
  transition: transform .15s;
}
.faq details[open] summary::after { content: "−"; }
.faq p { color: var(--text-dim); margin: 0 0 17px; font-size: .96rem; max-width: 70ch; }

/* ------------------------------------------------------------------ статьи (лента в духе Дзена) */
.feed { display: grid; gap: var(--gap); grid-template-columns: repeat(3, 1fr); }
.post {
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: border-color .15s, transform .15s;
}
.post:hover { border-color: var(--accent); transform: translateY(-2px); }
.post__cover {
  aspect-ratio: 16 / 9; position: relative;
  background:
    repeating-linear-gradient(135deg, var(--accent-soft) 0 14px, transparent 14px 28px),
    var(--surface-2);
  border-bottom: 1px solid var(--border);
  display: grid; place-items: center;
}
.post__cover span {
  font-size: 2.4rem; font-weight: 900; letter-spacing: -.04em;
  color: var(--accent); opacity: .5;
}
.post__body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.post__tag {
  align-self: flex-start; font-size: .72rem; font-weight: 800; letter-spacing: .1em;
  text-transform: uppercase; color: var(--accent);
  background: var(--accent-soft); padding: 4px 9px; border-radius: 3px;
}
.post__title { font-size: 1.14rem; font-weight: 700; color: var(--text); line-height: 1.35; }
.post:hover .post__title { color: var(--accent); }
.post__lead { color: var(--text-dim); font-size: .94rem; margin: 0; }
.post__meta {
  margin-top: auto; padding-top: 14px; display: flex; align-items: center; gap: 10px;
  color: var(--text-faint); font-size: .84rem; border-top: 1px solid var(--border);
}
.post__meta b { color: var(--accent); font-weight: 700; }

/* ------------------------------------------------------------------ кейсы */
.case {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface); padding: 30px; display: grid; gap: 18px;
}
.case__head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.case__tag {
  font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft); padding: 4px 9px; border-radius: 3px;
}
.case__rows { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.case__row { background: var(--bg-elev); padding: 20px; }
.case__row dt { color: var(--accent); font-size: .74rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 8px; }
.case__row dd { margin: 0; color: var(--text-dim); font-size: .94rem; }

/* ------------------------------------------------------------------ контакты */
.contact-card {
  border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface);
  padding: 24px; display: grid; gap: 6px; transition: border-color .15s, transform .15s;
}
.contact-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.contact-card__label { color: var(--text-faint); font-size: .82rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.contact-card__value { font-size: 1.16rem; font-weight: 700; color: var(--accent); word-break: break-word; }
.contact-card__note { color: var(--text-dim); font-size: .9rem; }

/* ------------------------------------------------------------------ CTA-полоса */
.cta {
  border: 1px solid var(--accent); border-radius: var(--radius-lg);
  background: linear-gradient(120deg, var(--accent-soft), transparent 60%), var(--surface);
  padding: 46px; display: grid; gap: 20px; justify-items: start;
}
.cta h2 { max-width: 20ch; }
.cta p { color: var(--text-dim); margin: 0; max-width: 62ch; }

/* ------------------------------------------------------------------ подвал */
.footer { border-top: 1px solid var(--border); background: var(--bg-elev); padding: 54px 0 30px; margin-top: 0; }
.footer__grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 36px; }
.footer__about p { color: var(--text-dim); font-size: .93rem; margin: 14px 0 0; max-width: 34ch; }
.footer h4 { color: var(--text); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px; }
.footer ul { display: grid; gap: 9px; }
.footer ul a, .footer ul span { color: var(--text-dim); font-size: .93rem; }
.footer ul a:hover { color: var(--accent); }
.footer__bottom {
  margin-top: 42px; padding-top: 22px; border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between;
  color: var(--text-faint); font-size: .86rem;
}

/* ------------------------------------------------------------------ хлебные крошки */
.crumbs { display: flex; gap: 8px; align-items: center; color: var(--text-faint); font-size: .86rem; padding-top: 22px; }
.crumbs a { color: var(--text-faint); }
.crumbs a:hover { color: var(--accent); }

/* ------------------------------------------------------------------ адаптив */
@media (max-width: 1080px) {
  .hero__in { grid-template-columns: 1fr; gap: 40px; padding-block: 70px 60px; }
  .service-layout { grid-template-columns: 1fr; gap: 34px; }
  .pricebox { position: static; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .steps--4 { grid-template-columns: repeat(2, 1fr); }
  .feed { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 900px) {
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 2px; margin: 0;
    background: var(--bg-elev); border-bottom: 1px solid var(--border);
    padding: 12px 16px 18px; display: none; box-shadow: var(--shadow);
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 14px; font-size: 1rem; }
  .burger { display: inline-flex; }
  .header .btn--primary { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:last-child:nth-child(odd) { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .section { padding: 54px 0; }
  .wrap { padding: 0 18px; }
  .grid--3, .grid--2, .grid--4 { grid-template-columns: 1fr; }
  .steps--4 { grid-template-columns: 1fr; }
  .feed { grid-template-columns: 1fr; }
  .case__rows { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .cta { padding: 30px 22px; }
  .hero__in { padding-block: 54px 48px; }
  .hero__actions .btn { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}