/* ============================================================
   UgolTech Cloud — приватное облако команды
   Монохромная минималистичная тема под фирменный знак:
   белое/серебро на почти-чёрном, металлический акцент.
   ============================================================ */

:root {
  --bg:            #08090c;
  --bg-soft:       #0c0e13;
  --bg-card:       #0f1218;
  --bg-elev:       #14171f;
  --border:        #20242e;
  --border-soft:   #181b23;
  --text:          #f3f5fa;
  --text-muted:    #9aa2b2;
  --text-dim:      #5d6473;
  --accent:        #ffffff;
  --accent-2:      #c7d0e2;   /* холодное серебро для тонких акцентов */
  --accent-strong: #ffffff;
  --ok:            #5fcf9b;   /* только для индикаторов статуса */
  --radius:        16px;
  --radius-sm:     11px;
  --maxw:          1160px;
  --shadow:        0 24px 70px rgba(0, 0, 0, 0.55);
  --shadow-soft:   0 8px 30px rgba(0, 0, 0, 0.4);
  /* «металл» — под объёмный белый логотип */
  --metal:         linear-gradient(177deg, #ffffff 0%, #d6dbe6 45%, #aab2c4 100%);
  --glow:          radial-gradient(closest-side, rgba(255,255,255,0.16), transparent);
  --font:          "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono:          ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(900px 520px at 78% -6%, rgba(255,255,255,0.05), transparent 60%),
    radial-gradient(700px 480px at 0% 6%, rgba(255,255,255,0.035), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.62;
  font-size: 16px;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Тонкая «техническая» сетка на фоне */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}
body > * { position: relative; z-index: 1; }

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

a { color: var(--text); text-decoration: none; transition: color .16s ease, opacity .16s ease; }
a:hover { color: var(--accent-2); }

h1, h2, h3, h4 { line-height: 1.12; margin: 0 0 .5em; font-weight: 650; letter-spacing: -0.03em; }
h1 { font-size: clamp(2.3rem, 5.4vw, 3.7rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
h3 { font-size: 1.2rem; }
p  { margin: 0 0 1em; }

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

.muted { color: var(--text-muted); }
.accent-text { color: var(--accent-2); }
.center { text-align: center; }

/* Металлический градиентный текст (под логотип) */
.metal {
  background: var(--metal);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600; font-size: .98rem;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: -0.01em;
  transition: transform .14s ease, box-shadow .22s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--metal);
  color: #0a0b0e;
  box-shadow: 0 6px 22px rgba(255,255,255,0.12), inset 0 1px 0 rgba(255,255,255,0.6);
}
.btn-primary:hover { color: #0a0b0e; box-shadow: 0 10px 34px rgba(255,255,255,0.22), inset 0 1px 0 rgba(255,255,255,0.7); transform: translateY(-1px); }
.btn-ghost {
  background: rgba(255,255,255,0.02);
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: rgba(255,255,255,0.32); background: rgba(255,255,255,0.05); }
.btn-block { width: 100%; }
.btn-lg { padding: 15px 32px; font-size: 1.04rem; }

/* ---------- Хедер ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(8, 9, 12, 0.72);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom: 1px solid var(--border-soft);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 650; font-size: 1.16rem; color: var(--text); letter-spacing: -0.02em; }
.brand:hover { color: var(--text); }
.brand img, .brand svg { width: 30px; height: 30px; }
.brand span b { color: var(--text-muted); font-weight: 600; }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--text-muted); font-size: .94rem; font-weight: 500; padding: 8px 14px; border-radius: 9px; }
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-links a.active { color: var(--text); }

.nav-cta { display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  display: none; background: rgba(255,255,255,0.02); border: 1px solid var(--border);
  border-radius: 9px; width: 42px; height: 42px; cursor: pointer; color: var(--text);
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; }

/* ---------- Секции ---------- */
section { padding: 96px 0; }
.section-tight { padding: 56px 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono);
  font-size: .76rem; font-weight: 500; letter-spacing: .16em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--text-dim); display: inline-block; }
.section-head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.section-head .eyebrow { justify-content: center; }
.section-head p { color: var(--text-muted); font-size: 1.12rem; margin: 0; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 110px 0 96px; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(680px 360px at 72% 4%, rgba(255,255,255,0.10), transparent 62%);
  pointer-events: none;
}
.hero .container { position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; }
.hero h1 { margin-bottom: 20px; }
.hero h1 .grad, .hero h1 .metal {
  background: var(--metal);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-lead { font-size: 1.16rem; color: var(--text-muted); max-width: 540px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 13px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-note { font-size: .9rem; color: var(--text-dim); display: flex; align-items: center; gap: 8px; }
.hero-note svg { width: 16px; height: 16px; color: var(--accent-2); flex-shrink: 0; }

.badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 15px; border-radius: 999px;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  color: var(--text-muted); font-size: .84rem; font-weight: 500;
  margin-bottom: 24px; font-family: var(--mono); letter-spacing: .02em;
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgba(95,207,155,0.16); }

/* Мокап окна приложения */
.app-mock {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.app-mock-bar { display: flex; align-items: center; gap: 7px; padding: 13px 16px; border-bottom: 1px solid var(--border-soft); background: rgba(255,255,255,0.02); }
.app-mock-bar i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; background: rgba(255,255,255,0.18); }
.app-mock-bar span { margin-left: 10px; font-size: .78rem; color: var(--text-dim); font-family: var(--mono); }
.app-mock-body { padding: 16px; display: grid; gap: 10px; }
.file-row { display: flex; align-items: center; gap: 13px; padding: 13px 14px; border-radius: var(--radius-sm); background: rgba(255,255,255,0.025); border: 1px solid var(--border-soft); }
.file-ic { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: rgba(255,255,255,0.06); color: var(--text); flex-shrink: 0; }
.file-ic svg { width: 20px; height: 20px; }
.file-meta { flex: 1; min-width: 0; }
.file-meta b { font-weight: 600; font-size: .92rem; display: block; }
.file-meta small { color: var(--text-dim); font-size: .78rem; }
.file-lock { color: var(--accent-2); }
.file-lock svg { width: 16px; height: 16px; }

/* ---------- Лента метрик ---------- */
.trust { padding: 36px 0; border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.trust-row { display: flex; flex-wrap: wrap; justify-content: space-around; gap: 28px; text-align: center; }
.trust-item b { display: block; font-size: 1.9rem; font-weight: 700; background: var(--metal); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.trust-item span { color: var(--text-dim); font-size: .88rem; font-family: var(--mono); letter-spacing: .02em; }

/* ---------- Сетки / карточки ---------- */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(255,255,255,0.22); box-shadow: var(--shadow-soft); }
.card .ic {
  width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  color: var(--text); margin-bottom: 18px;
}
.card .ic svg { width: 25px; height: 25px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--text-muted); margin: 0; font-size: .95rem; }

/* ---------- Шаги ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 26px 26px;
}
.step .num {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  font-weight: 700; font-family: var(--mono);
  background: var(--metal); color: #0a0b0e; margin-bottom: 16px;
}
.step h3 { margin-bottom: 8px; }
.step p { color: var(--text-muted); margin: 0; font-size: .94rem; }

/* ---------- Роли / квоты (бывшие тарифы) ---------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan {
  display: flex; flex-direction: column;
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 32px 28px; position: relative;
}
.plan.featured { border-color: rgba(255,255,255,0.30); box-shadow: 0 0 0 1px rgba(255,255,255,0.06), var(--shadow-soft); }
.plan-tag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--metal); color: #0a0b0e; font-size: .72rem; font-weight: 700; letter-spacing: .06em;
  padding: 5px 14px; border-radius: 999px; text-transform: uppercase; font-family: var(--mono);
}
.plan h3 { font-size: 1.3rem; margin-bottom: 4px; }
.plan .plan-desc { color: var(--text-dim); font-size: .9rem; margin-bottom: 18px; min-height: 40px; }
.plan .price { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.03em; }
.plan .price small { font-size: .9rem; font-weight: 500; color: var(--text-dim); letter-spacing: 0; font-family: var(--mono); }
.plan .price-note { color: var(--text-dim); font-size: .85rem; margin-bottom: 22px; }
.plan ul { list-style: none; margin: 0 0 26px; padding: 0; display: grid; gap: 12px; }
.plan li { display: flex; align-items: flex-start; gap: 10px; color: var(--text-muted); font-size: .94rem; }
.plan li svg { width: 18px; height: 18px; color: var(--accent-2); flex-shrink: 0; margin-top: 2px; }
.plan li.off { color: var(--text-dim); }
.plan li.off svg { color: var(--text-dim); }
.plan .btn { margin-top: auto; }

/* ---------- FAQ ---------- */
.faq { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); background: rgba(255,255,255,0.02); margin-bottom: 12px; overflow: hidden; transition: border-color .2s ease; }
.faq-item.open { border-color: rgba(255,255,255,0.2); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; color: var(--text);
  font-size: 1.04rem; font-weight: 600; font-family: inherit; padding: 20px 22px; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq-q .chev { transition: transform .22s ease; color: var(--text-dim); flex-shrink: 0; }
.faq-q .chev svg { width: 20px; height: 20px; }
.faq-item.open .faq-q .chev { transform: rotate(180deg); color: var(--text); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 22px 20px; color: var(--text-muted); }
.faq-item.open .faq-a { max-height: 340px; }

/* ---------- CTA ---------- */
.cta-band {
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 60px 40px; text-align: center; position: relative; overflow: hidden;
}
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(560px 240px at 50% -30%, rgba(255,255,255,0.12), transparent 70%); pointer-events: none; }
.cta-band > * { position: relative; }
.cta-band h2 { margin-bottom: 12px; }
.cta-band p { color: var(--text-muted); max-width: 560px; margin: 0 auto 28px; }

/* ---------- Заголовок страницы ---------- */
.page-hero { padding: 84px 0 44px; text-align: center; position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(620px 300px at 50% -20%, rgba(255,255,255,0.08), transparent 65%); pointer-events: none; }
.page-hero .container { position: relative; }
.page-hero .eyebrow { justify-content: center; }
.page-hero p { color: var(--text-muted); font-size: 1.14rem; max-width: 660px; margin: 0 auto; }

/* ---------- Авторизация ---------- */
.auth-wrap { min-height: calc(100vh - 70px); display: grid; place-items: center; padding: 48px 24px; position: relative; overflow: hidden; }
.auth-wrap::before { content: ""; position: absolute; inset: 0; background: radial-gradient(620px 360px at 50% 0%, rgba(255,255,255,0.07), transparent 60%); pointer-events: none; }
.auth-card {
  position: relative; width: 100%; max-width: 426px;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 40px 34px; box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.auth-card .auth-logo { width: 46px; height: 46px; margin: 0 auto 18px; }
.auth-card h1 { font-size: 1.65rem; text-align: center; margin-bottom: 6px; }
.auth-card .sub { text-align: center; color: var(--text-muted); margin-bottom: 28px; font-size: .95rem; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .82rem; font-weight: 600; margin-bottom: 8px; color: var(--text-muted); font-family: var(--mono); letter-spacing: .02em; }
.field input {
  width: 100%; background: rgba(0,0,0,0.35); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 13px 15px; color: var(--text); font-size: 1rem; font-family: inherit;
  transition: border-color .16s ease, box-shadow .16s ease;
}
.field input:focus { outline: none; border-color: rgba(255,255,255,0.45); box-shadow: 0 0 0 3px rgba(255,255,255,0.08); }
.field input::placeholder { color: var(--text-dim); }
.field-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.checkbox { display: flex; align-items: center; gap: 8px; font-size: .89rem; color: var(--text-muted); cursor: pointer; }
.checkbox input { width: auto; accent-color: #fff; }
.auth-msg {
  display: none; margin-bottom: 18px; padding: 14px 16px; border-radius: var(--radius-sm); font-size: .92rem;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.18); color: var(--text);
}
.auth-msg.show { display: flex; gap: 10px; align-items: flex-start; }
.auth-msg svg { width: 20px; height: 20px; color: var(--accent-2); flex-shrink: 0; margin-top: 1px; }
.auth-foot { text-align: center; margin-top: 22px; font-size: .91rem; color: var(--text-muted); }
.auth-divider { display: flex; align-items: center; gap: 14px; margin: 24px 0; color: var(--text-dim); font-size: .76rem; font-family: var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.auth-divider::before, .auth-divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

/* ---------- Контент-блоки ---------- */
.feature-split { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; margin-bottom: 76px; }
.feature-split:last-child { margin-bottom: 0; }
.feature-split.reverse .fs-text { order: 2; }
.feature-split h2 { font-size: 1.8rem; }
.feature-split ul { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 12px; }
.feature-split li { display: flex; gap: 11px; align-items: flex-start; color: var(--text-muted); }
.feature-split li svg { width: 20px; height: 20px; color: var(--accent-2); flex-shrink: 0; margin-top: 3px; }
.fs-visual {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.012));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 34px;
  box-shadow: var(--shadow-soft); min-height: 250px; display: grid; place-items: center; position: relative; overflow: hidden;
}
.fs-visual::after { content: ""; position: absolute; inset: 0; background: radial-gradient(closest-side, rgba(255,255,255,0.08), transparent 70%); }
.fs-visual svg { width: 116px; height: 116px; color: var(--text); position: relative; }

/* Таблица сравнения */
.compare { width: 100%; border-collapse: collapse; background: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.compare th, .compare td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--border-soft); }
.compare thead th { background: rgba(255,255,255,0.03); font-size: .94rem; }
.compare tbody td { color: var(--text-muted); font-size: .93rem; }
.compare tbody tr:last-child td { border-bottom: none; }
.compare td svg { width: 18px; height: 18px; color: var(--accent-2); }
.compare .x { color: var(--text-dim); }

/* Контакты */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact-card { text-align: center; padding: 32px 24px; }
.contact-card .ic { margin: 0 auto 16px; }
.contact-card h3 { margin-bottom: 6px; }
.contact-card a { font-weight: 600; color: var(--accent-2); }

.values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

/* ---------- 404 ---------- */
.notfound { min-height: calc(100vh - 70px); display: grid; place-items: center; text-align: center; padding: 48px 24px; position: relative; overflow: hidden; }
.notfound::before { content: ""; position: absolute; inset: 0; background: radial-gradient(620px 320px at 50% 10%, rgba(255,255,255,0.08), transparent 65%); pointer-events: none; }
.notfound .container { position: relative; }
.notfound .code {
  font-size: clamp(5rem, 18vw, 10rem); font-weight: 800; line-height: 1; letter-spacing: -0.05em;
  background: var(--metal); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 12px;
}

/* ---------- Футер ---------- */
.site-footer { border-top: 1px solid var(--border-soft); background: var(--bg-soft); padding: 60px 0 32px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 42px; }
.footer-brand p { color: var(--text-dim); font-size: .92rem; max-width: 290px; margin-top: 14px; }
.footer-col h4 { font-size: .76rem; text-transform: uppercase; letter-spacing: .14em; color: var(--text-dim); margin-bottom: 16px; font-family: var(--mono); font-weight: 500; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-col a { color: var(--text-muted); font-size: .93rem; }
.footer-col a:hover { color: var(--accent-2); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; padding-top: 26px; border-top: 1px solid var(--border-soft); color: var(--text-dim); font-size: .87rem; }
.footer-bottom .socials { display: flex; gap: 10px; }
.footer-bottom .socials a { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border); display: grid; place-items: center; color: var(--text-muted); }
.footer-bottom .socials a:hover { border-color: rgba(255,255,255,0.3); color: var(--text); }
.footer-bottom .socials svg { width: 18px; height: 18px; }

/* ---------- Появление при скролле ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s cubic-bezier(.2,.6,.2,1), transform .6s cubic-bezier(.2,.6,.2,1); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ---------- Адаптив ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { order: -1; max-width: 470px; }
  .grid-3, .steps, .plans, .contact-grid { grid-template-columns: 1fr; }
  .grid-2, .values { grid-template-columns: 1fr; }
  .feature-split { grid-template-columns: 1fr; gap: 30px; }
  .feature-split.reverse .fs-text { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}

@media (max-width: 720px) {
  section { padding: 66px 0; }
  .hero { padding: 72px 0 64px; }
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-header.open .nav-links {
    display: flex; position: absolute; top: 70px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 2px;
    background: rgba(8,9,12,0.96); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); padding: 12px 16px 18px;
  }
  .site-header.open .nav-links a { padding: 13px 14px; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 44px 24px; }
}