/* FastShell — лендинг. Тема «Neon Rig»: циан + маджента на тёмно-синем графите. */
:root {
  --bg:        oklch(0.18 0.03 250);
  --bg-soft:   oklch(0.22 0.035 250);
  --panel:     oklch(0.24 0.04 250);
  --border:    oklch(0.34 0.04 250);
  --ink:       oklch(0.20 0.04 250);          /* тёмный текст на акценте */
  --fg:        oklch(0.96 0.01 250);
  --muted:     oklch(0.70 0.02 250);
  --accent:    oklch(0.88 0.19 192);          /* неон-циан */
  --accent2:   oklch(0.72 0.21 350);          /* маджента */
  --radius: 16px;
  --maxw: 1140px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Geist', system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.text-neon {
  color: var(--accent);
  text-shadow: 0 0 18px color-mix(in oklch, var(--accent) 55%, transparent);
}

.grid-bg {
  background-image:
    radial-gradient(1200px 600px at 80% -10%, color-mix(in oklch, var(--accent) 12%, transparent), transparent),
    radial-gradient(900px 500px at 0% 0%, color-mix(in oklch, var(--accent2) 10%, transparent), transparent),
    linear-gradient(color-mix(in oklch, var(--border) 22%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklch, var(--border) 22%, transparent) 1px, transparent 1px);
  background-size: auto, auto, 46px 46px, 46px 46px;
}

/* ── Кнопки ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border-radius: 12px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: .18s;
}
.btn-sm { padding: 9px 16px; font-size: 14px; }
.btn-block { width: 100%; }
.btn-primary {
  background: var(--accent); color: var(--ink); border-color: var(--accent);
  box-shadow: 0 0 22px color-mix(in oklch, var(--accent) 35%, transparent);
}
.btn-primary:hover { filter: brightness(1.07); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ── Шапка ── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklch, var(--bg) 80%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid color-mix(in oklch, var(--border) 60%, transparent);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 66px; }
.brand { font-weight: 800; letter-spacing: .5px; font-size: 20px; }
.brand-mark { color: var(--fg); }
.brand-mark2 { color: var(--accent); text-shadow: 0 0 16px color-mix(in oklch, var(--accent) 50%, transparent); }
.nav { display: flex; gap: 26px; margin-left: 12px; }
.nav a { color: var(--muted); font-size: 15px; font-weight: 500; transition: .15s; }
.nav a:hover { color: var(--accent); }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.lang-switch { display: flex; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.lang-switch button {
  background: transparent; color: var(--muted); border: none; cursor: pointer;
  padding: 7px 11px; font-size: 13px; font-weight: 600; font-family: inherit; transition: .15s;
}
.lang-switch button.active { background: var(--accent); color: var(--ink); }
.lang-switch button:not(.active):hover { color: var(--accent); }
.burger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; }
.burger span { width: 24px; height: 2px; background: var(--fg); border-radius: 2px; }

/* ── Hero ── */
.hero { padding: 70px 0 90px; }
.hero-inner { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.badge {
  display: inline-block; padding: 7px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
  color: var(--accent); border: 1px solid color-mix(in oklch, var(--accent) 40%, transparent);
  background: color-mix(in oklch, var(--accent) 8%, transparent); margin-bottom: 22px;
}
.hero-title { font-size: clamp(38px, 5.2vw, 62px); line-height: 1.04; font-weight: 800; margin: 0 0 20px; letter-spacing: -1px; }
.hero-title span { display: inline; }
.hero-sub { font-size: 18px; color: var(--muted); max-width: 520px; margin: 0 0 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 38px; margin-top: 42px; }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats b { font-size: 26px; font-family: 'Geist Mono', monospace; }
.hero-stats span { font-size: 13px; color: var(--muted); }

/* ── Hero визуал: «браузер» с мокапом дашборда ── */
.hero-visual { position: relative; }
.browser {
  position: relative; z-index: 2; border-radius: var(--radius); overflow: hidden;
  border: 1px solid color-mix(in oklch, var(--accent) 35%, transparent);
  background: var(--bg-soft);
  box-shadow: 0 30px 80px -20px color-mix(in oklch, var(--accent) 30%, transparent),
              0 0 0 1px color-mix(in oklch, var(--border) 50%, transparent);
}
.browser-bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; background: var(--panel); border-bottom: 1px solid var(--border); }
.browser-bar .dot { width: 11px; height: 11px; border-radius: 50%; background: var(--border); }
.browser-bar .dot:first-child { background: var(--accent2); }
.browser-url { margin-left: 12px; font-size: 12px; color: var(--muted); font-family: 'Geist Mono', monospace; }
.browser-shot { display: block; width: 100%; }
.mock { padding: 16px; }
.mock-feat {
  position: relative; height: 150px; border-radius: 12px; overflow: hidden; margin-bottom: 14px;
  border: 1px solid color-mix(in oklch, var(--accent) 30%, transparent);
  background: linear-gradient(120deg, color-mix(in oklch, var(--accent2) 30%, var(--bg)), color-mix(in oklch, var(--accent) 24%, var(--bg)));
}
.mock-feat-glow { position: absolute; inset: 0; background: radial-gradient(300px 120px at 75% 60%, color-mix(in oklch, var(--accent) 45%, transparent), transparent); }
.mock-feat-txt { position: absolute; left: 18px; bottom: 16px; display: flex; flex-direction: column; gap: 4px; }
.mock-feat-txt b {
  font-size: 12px; letter-spacing: 1px; color: var(--ink); background: var(--accent);
  padding: 5px 12px; border-radius: 8px; width: max-content; box-shadow: 0 0 18px color-mix(in oklch, var(--accent) 50%, transparent);
}
.mock-feat-txt span { font-size: 18px; font-weight: 700; }
.mock-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 9px; }
.mock-grid span {
  aspect-ratio: 1; border-radius: 9px; background: var(--panel);
  border: 1px solid var(--border);
}
.mock-grid span:nth-child(3n) { border-color: color-mix(in oklch, var(--accent) 45%, transparent); box-shadow: inset 0 0 16px color-mix(in oklch, var(--accent) 14%, transparent); }
.hero-glow { position: absolute; inset: -40px -30px; z-index: 1; background: radial-gradient(closest-side, color-mix(in oklch, var(--accent) 22%, transparent), transparent); filter: blur(20px); }

/* ── Секции ── */
.section { padding: 90px 0; }
.section-alt { background: color-mix(in oklch, var(--bg-soft) 60%, transparent); border-block: 1px solid color-mix(in oklch, var(--border) 50%, transparent); }
.section-title { font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; text-align: center; margin: 0 0 14px; letter-spacing: -.5px; }
.section-lead { text-align: center; color: var(--muted); max-width: 620px; margin: 0 auto 50px; font-size: 17px; }

/* ── Карточки возможностей ── */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  padding: 28px 24px; border-radius: var(--radius); background: var(--bg-soft);
  border: 1px solid var(--border); transition: .2s;
}
.card:hover {
  border-color: color-mix(in oklch, var(--accent) 55%, transparent);
  transform: translateY(-4px);
  box-shadow: 0 18px 40px -20px color-mix(in oklch, var(--accent) 40%, transparent);
}
.card-ico { font-size: 28px; margin-bottom: 14px; }
.card h3 { margin: 0 0 8px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* ── Шаги ── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step { position: relative; padding: 30px 24px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--border); }
.step-n {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  font-weight: 800; font-size: 20px; font-family: 'Geist Mono', monospace; margin-bottom: 16px;
  color: var(--ink); background: var(--accent); box-shadow: 0 0 22px color-mix(in oklch, var(--accent) 40%, transparent);
}
.step h3 { margin: 0 0 8px; font-size: 19px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* ── Тарифы ── */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.plan { position: relative; padding: 32px 26px; border-radius: var(--radius); background: var(--bg-soft); border: 1px solid var(--border); }
.plan-feat { border-color: var(--accent); box-shadow: 0 0 40px -10px color-mix(in oklch, var(--accent) 45%, transparent); transform: translateY(-8px); }
.plan-tag { position: absolute; top: -12px; left: 26px; background: var(--accent); color: var(--ink); font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 8px; }
.plan h3 { margin: 0 0 8px; font-size: 22px; }
.plan-price { font-size: 22px; font-weight: 700; color: var(--accent); margin-bottom: 20px; font-family: 'Geist Mono', monospace; }
.plan ul { list-style: none; padding: 0; margin: 0 0 24px; display: flex; flex-direction: column; gap: 11px; }
.plan li { color: var(--muted); font-size: 15px; padding-left: 26px; position: relative; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* ── Контакты ── */
.contacts-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.contacts-inner .section-title, .contacts-inner .section-lead { text-align: left; margin-left: 0; }
.contacts-links { display: flex; flex-direction: column; gap: 12px; margin-top: 22px; }
.contact-link {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 18px; border-radius: 12px;
  background: var(--bg); border: 1px solid var(--border); font-weight: 500; transition: .15s; width: max-content;
}
.contact-link:hover { border-color: var(--accent); color: var(--accent); }
.contact-form { display: flex; flex-direction: column; gap: 16px; padding: 30px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--border); }
.contact-form label { display: flex; flex-direction: column; gap: 7px; font-size: 14px; color: var(--muted); }
.contact-form input, .contact-form textarea {
  font-family: inherit; font-size: 15px; padding: 12px 14px; border-radius: 10px;
  background: var(--bg-soft); border: 1px solid var(--border); color: var(--fg); resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--accent); }
.form-note { color: var(--accent); font-size: 14px; margin: 0; }

/* ── Подвал ── */
.site-footer { padding: 30px 0; border-top: 1px solid var(--border); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }

/* ── Адаптив ── */
@media (max-width: 900px) {
  .hero-inner, .contacts-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .cards, .steps, .plans { grid-template-columns: 1fr; }
  .nav { display: none; }
  .burger { display: flex; }
  .nav.open {
    display: flex; flex-direction: column; position: absolute; top: 66px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 18px 24px; gap: 16px;
  }
  .plan-feat { transform: none; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
}