/* ===========================================================================
   Masq — лендинг. Premium, dark-only, без фреймворков.
   =========================================================================== */

:root {
  --bg: #08090c;
  --bg-2: #0d0f14;
  --bg-3: #13161d;
  --fg: #eef0f4;
  --fg-mid: #c2c7d0;
  --fg-dim: #7c8697;
  --fg-faint: #566273;
  --line: #1b1f28;
  --line-soft: #262b36;
  --accent: #b9e4ff;
  --accent-strong: #7ec8ff;
  --violet: #c8b6ff;
  --mint: #89f7b1;
  --peach: #ffd588;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.7);
  --shadow-inner: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Manrope', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: #fff; }

code { font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace; font-size: 0.92em; }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ─── Background orbs ─────────────────────────────────────────────────────── */

.bg-orbs {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.38;
  will-change: transform;
}
.orb-1 {
  width: 620px; height: 620px;
  top: -180px; right: -140px;
  background: radial-gradient(circle, #2d5bff 0%, transparent 70%);
}
.orb-2 {
  width: 540px; height: 540px;
  top: 480px; left: -160px;
  background: radial-gradient(circle, #5b2eff 0%, transparent 70%);
  opacity: 0.28;
}
.orb-3 {
  width: 480px; height: 480px;
  bottom: -180px; right: -60px;
  background: radial-gradient(circle, #00d1b0 0%, transparent 70%);
  opacity: 0.18;
}

/* ─── Header ──────────────────────────────────────────────────────────────── */

.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  transition: background 0.2s, border-color 0.2s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10, 11, 14, 0.72);
  border-bottom-color: var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  gap: 24px;
}
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--fg);
}
.logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(180deg, #1a1f2b 0%, #0d0f14 100%);
  border: 1px solid var(--line-soft);
  color: var(--accent);
  box-shadow: var(--shadow-inner);
}
.logo-mark.small { width: 22px; height: 22px; border-radius: 6px; }
.logo-word { font-weight: 700; font-size: 17px; letter-spacing: 0.2px; }
.nav { display: flex; gap: 28px; font-size: 14.5px; }
.nav a { color: var(--fg-mid); }
.nav a:hover { color: var(--fg); }
@media (max-width: 720px) { .nav { display: none; } }

/* ─── Buttons ─────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 14.5px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.08s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn.primary {
  background: #fff; color: #0a0c10;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.3), 0 8px 24px -8px rgba(183, 228, 255, 0.35);
}
.btn.primary:hover { background: var(--accent); color: #0a0c10; }
.btn.ghost {
  color: var(--fg);
  border-color: var(--line-soft);
  background: rgba(255, 255, 255, 0.02);
}
.btn.ghost:hover { border-color: #3b4454; background: rgba(255, 255, 255, 0.04); color: #fff; }
.btn.small { padding: 8px 14px; font-size: 13.5px; }
.btn.large { padding: 14px 22px; font-size: 15px; }
.btn.block { display: flex; width: 100%; }

/* ─── Hero ────────────────────────────────────────────────────────────────── */

.hero {
  padding: 90px 24px 60px;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 380px);
  gap: 56px;
  align-items: start;
}
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding: 56px 24px 36px; gap: 32px; }
}

.badge-soft {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(126, 200, 255, 0.07);
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 28px;
  border: 1px solid rgba(126, 200, 255, 0.18);
}
.badge-soft .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-strong);
  box-shadow: 0 0 12px var(--accent-strong);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

.hero h1 {
  font-size: clamp(38px, 6.2vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 22px;
  font-weight: 800;
}
.hero h1 .accent {
  background: linear-gradient(120deg, #b9e4ff 0%, #c8b6ff 60%, #89f7b1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  color: var(--fg-mid);
  font-size: clamp(16px, 1.6vw, 19px);
  max-width: 620px;
  margin: 0 0 32px;
}

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }

.proofline { display: flex; gap: 22px; flex-wrap: wrap; color: var(--fg-dim); font-size: 13.5px; }
.proof-item { display: inline-flex; align-items: center; gap: 6px; }
.proof-item svg { color: var(--mint); }

/* Hero side card */
.hero-card {
  background: linear-gradient(180deg, rgba(30, 36, 48, 0.6) 0%, rgba(13, 15, 20, 0.9) 100%);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow), var(--shadow-inner);
  backdrop-filter: blur(6px);
}
.hc-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.hc-title { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-dim); font-weight: 700; }
.hc-link { font-size: 13px; }
.hc-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  gap: 16px;
}
.hc-row:last-of-type { border-bottom: 0; padding-bottom: 18px; }
.hc-k { font-weight: 600; font-size: 14.5px; color: var(--fg); }
.hc-sub { font-size: 12.5px; color: var(--fg-dim); margin-top: 2px; }
.hc-v {
  font-weight: 700;
  font-size: 15px;
  font-feature-settings: 'tnum';
  white-space: nowrap;
}
.hero-card .btn { margin-top: 6px; }

/* ─── Stats strip ─────────────────────────────────────────────────────────── */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 40px auto;
}
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat {
  background: var(--bg-2);
  padding: 22px 24px;
  text-align: center;
}
.stat-v {
  font-size: 22px; font-weight: 800; letter-spacing: -0.01em;
  font-feature-settings: 'tnum';
}
.stat-k { font-size: 13px; color: var(--fg-dim); margin-top: 4px; }

/* ─── Sections ────────────────────────────────────────────────────────────── */

.section { padding: 80px 24px; }
@media (max-width: 720px) { .section { padding: 56px 24px; } }

.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.eyebrow {
  display: inline-block;
  font-size: 12px;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 700;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 0 0 12px;
}
.section-lede { color: var(--fg-mid); font-size: 16px; margin: 0; }

/* ─── Features grid ───────────────────────────────────────────────────────── */

.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .feat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .feat-grid { grid-template-columns: 1fr; } }

.feat {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.15s, border-color 0.15s, background 0.15s;
}
.feat:hover {
  transform: translateY(-2px);
  border-color: var(--line-soft);
  background: var(--bg-3);
}
.feat-ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--ico, var(--accent)) 10%, transparent);
  color: var(--ico, var(--accent));
  margin-bottom: 16px;
}
.feat h3 { margin: 0 0 8px; font-size: 16.5px; font-weight: 700; letter-spacing: -0.01em; }
.feat p { margin: 0; color: var(--fg-mid); font-size: 14.5px; }

/* ─── Plans ───────────────────────────────────────────────────────────────── */

.plans-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 820px) { .plans-grid { grid-template-columns: 1fr; } }

.plan-card {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  display: flex; flex-direction: column;
  transition: border-color 0.15s;
}
.plan-card:hover { border-color: var(--line-soft); }
.plan-card.featured {
  background: linear-gradient(180deg, #101725 0%, #0d0f14 100%);
  border-color: rgba(126, 200, 255, 0.35);
  box-shadow: 0 0 0 1px rgba(126, 200, 255, 0.1), 0 20px 50px -20px rgba(126, 200, 255, 0.12);
}
.plan-badge {
  position: absolute; top: -12px; left: 24px;
  background: linear-gradient(135deg, #b9e4ff 0%, #c8b6ff 100%);
  color: #0a0c10;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.plan-card header { margin-bottom: 18px; }
.plan-card h3 { margin: 0 0 6px; font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }
.plan-sub { margin: 0; color: var(--fg-dim); font-size: 14px; }

.plan-price {
  display: flex; align-items: baseline; gap: 8px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}
.plan-price-n {
  font-size: 36px; font-weight: 800; letter-spacing: -0.02em;
  font-feature-settings: 'tnum';
}
.plan-price-p { color: var(--fg-dim); font-size: 14px; }

.plan-list {
  list-style: none; padding: 0; margin: 0 0 24px;
  display: flex; flex-direction: column; gap: 10px;
}
.plan-list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14.5px; color: var(--fg-mid);
}
.plan-list li svg { color: var(--mint); flex-shrink: 0; margin-top: 3px; }

.plan-card .btn { margin-top: auto; }

.plans-foot {
  margin-top: 24px;
  text-align: center;
  color: var(--fg-dim);
  font-size: 13.5px;
}

/* ─── Setup / Steps ───────────────────────────────────────────────────────── */

.steps {
  list-style: none; padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; } }
.steps li {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  display: flex; gap: 16px;
  align-items: flex-start;
}
.step-n {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border-radius: 10px;
  background: linear-gradient(180deg, #1a1f2b 0%, #0d0f14 100%);
  border: 1px solid var(--line-soft);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
  color: var(--accent);
}
.steps h3 { margin: 0 0 4px; font-size: 15.5px; font-weight: 700; }
.steps p { margin: 0; color: var(--fg-dim); font-size: 14px; }

.devices-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 24px; justify-content: center; }
.pill {
  padding: 7px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  color: var(--fg);
  font-size: 13.5px;
  background: var(--bg-2);
}
.pill.muted { color: var(--fg-dim); }

/* ─── FAQ ─────────────────────────────────────────────────────────────────── */

.faq { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq details {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 22px;
  transition: border-color 0.15s;
}
.faq details[open] { border-color: var(--line-soft); }
.faq summary {
  cursor: pointer; list-style: none;
  font-size: 15px; font-weight: 600;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  color: var(--fg-dim);
  font-weight: 400; font-size: 20px;
  transition: transform 0.2s;
}
.faq details[open] summary::after { content: '–'; }
.faq p { color: var(--fg-mid); margin: 12px 0 0; font-size: 14.5px; }

/* ─── CTA band ────────────────────────────────────────────────────────────── */

.cta-band { padding: 40px 24px 80px; }
.cta-card {
  background: linear-gradient(135deg, #111726 0%, #0b0d14 100%);
  border: 1px solid rgba(126, 200, 255, 0.25);
  border-radius: calc(var(--radius) + 4px);
  padding: 40px 44px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  box-shadow: var(--shadow);
}
.cta-card h2 { margin: 0 0 4px; font-size: 26px; font-weight: 800; letter-spacing: -0.01em; }
.cta-card p { margin: 0; color: var(--fg-mid); font-size: 15px; }

/* ─── Footer ──────────────────────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 32px;
  color: var(--fg-dim);
  font-size: 13.5px;
}
.foot-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.4fr 1fr;
  gap: 40px;
  padding: 0 24px 32px;
}
@media (max-width: 820px) {
  .foot-inner { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 500px) {
  .foot-inner { grid-template-columns: 1fr; }
}
.foot-col { display: flex; flex-direction: column; gap: 8px; }
.foot-col a { color: var(--fg-mid); font-size: 13.5px; }
.foot-col a:hover { color: var(--fg); }
.foot-h {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--fg-faint); font-weight: 700; margin-bottom: 4px;
}
.foot-brand-col { gap: 10px; }
.foot-brand { display: flex; align-items: center; gap: 8px; color: var(--fg); font-size: 15px; }
.foot-dim { color: var(--fg-dim); line-height: 1.5; }

.foot-legal {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px;
  padding: 16px 24px 0;
  border-top: 1px solid var(--line);
  color: var(--fg-faint);
  font-size: 12.5px;
  flex-wrap: wrap;
}
.foot-legal a { color: var(--fg-dim); }