/* ============================================================
   Летописец — лендинг
   Тёмная тема · электрик-блю + фиолетовый · IBM Plex
   Светлые скриншоты продукта во «window»-рамках на тёмном фоне
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --font-sans: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;

  --bg-0: #090a0d;
  --bg-1: #0d0f13;
  --bg-2: #14171c;
  --bg-3: #191d24;
  --bg-4: #20252e;

  --border: rgba(255,255,255,0.08);
  --border-2: rgba(255,255,255,0.12);
  --border-3: rgba(255,255,255,0.18);

  --text-0: #f1f4f9;
  --text-1: #aab2bf;
  --text-2: #6f7682;
  --text-3: #4c535e;

  /* accent — themeable */
  --accent: #4f8dff;
  --accent-2: #6aa0ff;
  --accent-strong: #2f6fef;
  --accent-soft: rgba(79,141,255,0.13);
  --accent-line: rgba(79,141,255,0.42);
  --glow: rgba(79,141,255,0.45);
  --purple: #a78bfa;
  --purple-soft: rgba(139,92,246,0.16);

  --ok: #36d399;
  --warn: #f5b54a;
  --err: #f4737b;

  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 18px;
  --r-xl: 24px;
  --r-full: 999px;

  --shadow-md: 0 8px 30px -10px rgba(0,0,0,0.6);
  --shadow-lg: 0 40px 90px -28px rgba(0,0,0,0.8), 0 8px 24px -10px rgba(0,0,0,0.5);
  --shadow-glow: 0 30px 80px -30px var(--glow);

  --maxw: 1200px;
  --nav-h: 66px;
}

/* accent variants (tweaks) */
:root[data-accent="violet"] {
  --accent: #8b6cf0; --accent-2: #a78bfa; --accent-strong: #6d4fe0;
  --accent-soft: rgba(139,108,240,0.14); --accent-line: rgba(139,108,240,0.42);
  --glow: rgba(139,108,240,0.45); --purple: #6aa0ff; --purple-soft: rgba(79,141,255,0.16);
}
:root[data-accent="teal"] {
  --accent: #2bb6a6; --accent-2: #45d3c0; --accent-strong: #199183;
  --accent-soft: rgba(43,182,166,0.14); --accent-line: rgba(43,182,166,0.42);
  --glow: rgba(43,182,166,0.42); --purple: #6aa0ff; --purple-soft: rgba(79,141,255,0.16);
}
:root[data-accent="amber"] {
  --accent: #e8924a; --accent-2: #f3ad6e; --accent-strong: #cf7426;
  --accent-soft: rgba(232,146,74,0.14); --accent-line: rgba(232,146,74,0.42);
  --glow: rgba(232,146,74,0.42); --purple: #a78bfa; --purple-soft: rgba(139,92,246,0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg-0);
  color: var(--text-0);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
::selection { background: var(--accent-soft); }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }
svg { display: block; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.mono { font-family: var(--font-mono); }
.eyebrow {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-2);
  display: inline-flex; align-items: center; gap: 9px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--accent-line); }
.eyebrow.center::after { content: ""; width: 22px; height: 1px; background: var(--accent-line); }
.eyebrow.center { justify-content: center; }

.hl { color: var(--accent-2); }
.grad-text {
  background: linear-gradient(120deg, var(--accent-2), var(--purple));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 48px; padding: 0 22px; border-radius: var(--r-sm);
  font-size: 15px; font-weight: 600; white-space: nowrap;
  border: 1px solid var(--border-2); background: var(--bg-3); color: var(--text-0);
  transition: background 0.15s, border-color 0.15s, transform 0.08s, box-shadow 0.15s;
}
.btn:hover { background: var(--bg-4); border-color: var(--border-3); }
.btn:active { transform: translateY(1px); }
.btn svg { width: 18px; height: 18px; }
.btn-primary {
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  border-color: transparent; color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,0.25) inset, 0 10px 30px -8px var(--glow);
}
.btn-primary:hover { box-shadow: 0 1px 0 rgba(255,255,255,0.25) inset, 0 14px 38px -8px var(--glow); filter: brightness(1.04); }
.btn-ghost { background: rgba(255,255,255,0.04); border-color: var(--border-2); color: var(--text-0); }
.btn-ghost:hover { background: rgba(255,255,255,0.08); }
.btn-sm { height: 40px; padding: 0 16px; font-size: 14px; }
.btn-lg { height: 54px; padding: 0 28px; font-size: 16px; }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(9,10,13,0.6);
  backdrop-filter: blur(18px) saturate(150%); -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid transparent; transition: border-color 0.2s, background 0.2s;
}
.nav.scrolled { border-bottom-color: var(--border); background: rgba(9,10,13,0.82); }
.nav .wrap { display: flex; align-items: center; gap: 20px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 9px; flex-shrink: 0;
  display: grid; place-items: center;
  background: radial-gradient(120% 120% at 30% 20%, rgba(255,255,255,0.35), transparent 60%),
              linear-gradient(150deg, var(--accent-strong), #1b3fb0);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.3), 0 4px 14px -2px var(--glow);
}
:root[data-accent="violet"] .brand-mark { background: radial-gradient(120% 120% at 30% 20%, rgba(255,255,255,0.35), transparent 60%), linear-gradient(150deg, var(--accent-strong), #3a1f9e); }
:root[data-accent="teal"]   .brand-mark { background: radial-gradient(120% 120% at 30% 20%, rgba(255,255,255,0.35), transparent 60%), linear-gradient(150deg, var(--accent-strong), #0c5a52); }
:root[data-accent="amber"]  .brand-mark { background: radial-gradient(120% 120% at 30% 20%, rgba(255,255,255,0.35), transparent 60%), linear-gradient(150deg, var(--accent-strong), #93470f); }
.brand-mark svg { width: 18px; height: 18px; }
.brand-name { font-weight: 600; font-size: 17px; letter-spacing: -0.01em; }
.brand-badge {
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.1em;
  color: var(--accent-2); border: 1px solid var(--accent-line);
  padding: 2px 6px; border-radius: 5px; text-transform: uppercase;
}
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: 18px; }
.nav-links a {
  padding: 8px 13px; border-radius: var(--r-sm); font-size: 14.5px; font-weight: 500;
  color: var(--text-1); transition: color 0.13s, background 0.13s;
}
.nav-links a:hover { color: var(--text-0); background: rgba(255,255,255,0.05); }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }

/* ---------- section scaffolding ---------- */
section { position: relative; }
.sec { padding: 110px 0; }
.sec-sm { padding: 70px 0; }
.sec-head { max-width: 720px; }
.sec-head.center { margin: 0 auto; text-align: center; }
.sec-head h2 {
  font-size: clamp(30px, 4.2vw, 46px); font-weight: 600; letter-spacing: -0.025em;
  line-height: 1.08; margin: 18px 0 0; text-wrap: balance;
}
.sec-head p {
  font-size: 18px; color: var(--text-1); margin: 18px 0 0; line-height: 1.6;
  text-wrap: pretty;
}
.sec-head.center p { margin-left: auto; margin-right: auto; }

.bg-panel { background: var(--bg-1); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* ---------- window chrome for screenshots ---------- */
.win {
  border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--border-2);
  background: var(--bg-2);
  box-shadow: var(--shadow-lg);
}
.win-bar {
  height: 38px; display: flex; align-items: center; gap: 8px; padding: 0 14px;
  background: var(--bg-3); border-bottom: 1px solid var(--border);
}
.win-bar .dot { width: 11px; height: 11px; border-radius: 50%; }
.win-bar .dot.r { background: #f4737b; }
.win-bar .dot.y { background: #f5b54a; }
.win-bar .dot.g { background: #36d399; }
.win-bar .u { margin-left: 12px; font-size: 12.5px; color: var(--text-2); font-family: var(--font-mono); }
.win img { width: 100%; display: block; }

/* ============================================================
   HERO
   ============================================================ */
.hero { padding-top: calc(var(--nav-h) + 70px); padding-bottom: 90px; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(60% 55% at 75% 8%, var(--accent-soft), transparent 60%),
    radial-gradient(50% 50% at 10% 30%, var(--purple-soft), transparent 60%);
}
.hero-grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
                    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(80% 60% at 50% 0%, #000 30%, transparent 75%);
          mask-image: radial-gradient(80% 60% at 50% 0%, #000 30%, transparent 75%);
}
.hero .wrap { position: relative; z-index: 1; }
.hero-inner { display: grid; grid-template-columns: 1fr; gap: 60px; justify-items: center; text-align: center; }
.hero-copy { max-width: 820px; }
.hero h1 {
  font-size: clamp(40px, 6.4vw, 74px); font-weight: 600; letter-spacing: -0.035em;
  line-height: 1.02; margin: 26px 0 0; text-wrap: balance;
}
.hero .lede {
  font-size: clamp(17px, 2.2vw, 21px); color: var(--text-1); line-height: 1.55;
  max-width: 620px; margin: 24px auto 0; text-wrap: pretty;
}
.hero-cta { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 36px; flex-wrap: wrap; }
.hero-os { margin-top: 16px; font-size: 13.5px; color: var(--text-2); display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; }
.hero-os b { color: var(--text-1); font-weight: 500; }
.hero-os .d { width: 3px; height: 3px; border-radius: 50%; background: var(--text-3); }

/* hero shot */
.hero-shot-wrap { position: relative; z-index: 1; width: 100%; max-width: 1040px; perspective: 2000px; }
.hero-shot {
  position: relative; max-width: 1040px; margin: 0 auto;
  border-radius: var(--r-xl); overflow: hidden;
  border: 1px solid var(--border-2);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}
.hero-shot .win-bar { height: 42px; }
.hero-shot::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 60%, rgba(9,10,13,0.0) 100%);
}
.hero-fade {
  position: absolute; left: 0; right: 0; bottom: -1px; height: 140px; z-index: 2; pointer-events: none;
  background: linear-gradient(180deg, transparent, var(--bg-0));
}
/* floating mini pill over hero shot */
.hero-pill {
  position: absolute; right: -18px; bottom: 38px; z-index: 3; width: 252px;
  background: rgba(16,18,24,0.86);
  backdrop-filter: blur(20px) saturate(150%); -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid var(--border-2); border-radius: var(--r-md);
  box-shadow: var(--shadow-lg); padding: 14px; animation: floaty 5s ease-in-out infinite;
}
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@media (prefers-reduced-motion: reduce) { .hero-pill { animation: none; } }
.hero-pill .ph { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.hero-pill .ph .nm { display: flex; align-items: center; gap: 7px; font-size: 11px; font-family: var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-2); }
.hero-pill .ph .nm i { width: 14px; height: 14px; border-radius: 4px; background: linear-gradient(150deg, var(--accent), var(--purple)); }
.hero-pill .ai-badge { font-size: 10.5px; color: var(--accent-2); display: flex; align-items: center; gap: 5px; }
.hero-pill .ai-badge .pip { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); animation: pulse 1.3s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
.hero-pill .time { font-family: var(--font-mono); font-size: 30px; font-weight: 500; letter-spacing: 0.01em; color: var(--text-0); }
.hero-pill .wave { display: flex; align-items: flex-end; gap: 2.5px; height: 26px; margin-top: 10px; }
.hero-pill .wave i { flex: 1; background: linear-gradient(180deg, var(--accent-2), var(--purple)); border-radius: 2px; opacity: 0.85; }

/* hero variant: split layout */
.hero[data-variant="split"] .hero-inner { grid-template-columns: 1fr 0.94fr; gap: 50px; align-items: center; justify-items: stretch; text-align: left; }
.hero[data-variant="split"] .hero-copy { max-width: 540px; }
.hero[data-variant="split"] .hero .lede,
.hero[data-variant="split"] .hero-inner .lede { margin-left: 0; }
.hero[data-variant="split"] .hero-cta { justify-content: flex-start; }
.hero[data-variant="split"] .hero-os { justify-content: flex-start; }
.hero[data-variant="split"] .eyebrow.center { justify-content: flex-start; }
.hero[data-variant="split"] .eyebrow.center::after { display: none; }
.hero[data-variant="split"] .hero-shot-wrap { max-width: none; }
.hero[data-variant="split"] .hero-pill { right: -14px; bottom: 28px; width: 220px; }
.hero[data-variant="split"] .hero-fade { display: none; }
@media (max-width: 960px) {
  .hero[data-variant="split"] .hero-inner { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .hero[data-variant="split"] .hero-copy { max-width: 100%; }
  .hero[data-variant="split"] .hero-cta, .hero[data-variant="split"] .hero-os, .hero[data-variant="split"] .eyebrow.center { justify-content: center; }
  .hero[data-variant="split"] .hero .lede, .hero[data-variant="split"] .hero-inner .lede { margin-left: auto; margin-right: auto; }
}

/* trust strip */
.trust { padding: 30px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trust .row { display: flex; align-items: center; justify-content: center; gap: 14px 40px; flex-wrap: wrap; }
.trust .it { display: flex; align-items: center; gap: 9px; font-size: 14px; color: var(--text-1); }
.trust .it svg { width: 17px; height: 17px; color: var(--accent-2); }
.trust .sep { width: 1px; height: 16px; background: var(--border-2); }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 28px; left: 14%; right: 14%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-3), transparent); z-index: 0;
}
.step { position: relative; z-index: 1; }
.step .n {
  width: 56px; height: 56px; border-radius: var(--r-md); display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 19px; font-weight: 600; color: var(--accent-2);
  background: var(--bg-2); border: 1px solid var(--accent-line);
  box-shadow: 0 0 0 6px var(--bg-0), 0 8px 24px -8px var(--glow);
}
.step h3 { font-size: 20px; font-weight: 600; letter-spacing: -0.01em; margin: 22px 0 0; }
.step p { font-size: 15.5px; color: var(--text-1); margin: 10px 0 0; line-height: 1.6; }

/* ============================================================
   FEATURES (alternating)
   ============================================================ */
.feat-block { display: grid; grid-template-columns: 1fr 1.12fr; gap: 60px; align-items: center; }
.feat-block + .feat-block { margin-top: 120px; }
.feat-block.rev .feat-copy { order: 2; }
.feat-block.rev .feat-media { order: 1; }
.feat-copy { max-width: 460px; }
.feat-copy h3 { font-size: clamp(26px, 3vw, 34px); font-weight: 600; letter-spacing: -0.025em; line-height: 1.12; margin: 16px 0 0; text-wrap: balance; }
.feat-copy .intro { font-size: 17px; color: var(--text-1); margin: 16px 0 0; line-height: 1.6; }
.feat-list { display: flex; flex-direction: column; gap: 18px; margin-top: 28px; }
.feat-item { display: flex; gap: 14px; }
.feat-item .ic {
  width: 40px; height: 40px; border-radius: var(--r-sm); flex-shrink: 0;
  display: grid; place-items: center; color: var(--accent-2);
  background: var(--accent-soft); border: 1px solid var(--accent-line);
}
.feat-item .ic svg { width: 19px; height: 19px; }
.feat-item .ft { font-size: 16px; font-weight: 600; }
.feat-item .fd { font-size: 14.5px; color: var(--text-2); margin-top: 3px; line-height: 1.55; }
.feat-media { position: relative; }
.feat-media .glow {
  position: absolute; inset: -8% -6%; z-index: 0; pointer-events: none;
  background: radial-gradient(60% 60% at 50% 40%, var(--glow), transparent 70%); opacity: 0.5; filter: blur(20px);
}
.feat-media .win { position: relative; z-index: 1; }
.feat-media .tag {
  position: absolute; z-index: 2; bottom: -14px; left: 24px;
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(16,18,24,0.9); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-2); border-radius: var(--r-full);
  padding: 8px 14px; font-size: 13px; font-weight: 600; box-shadow: var(--shadow-md);
}
.feat-media .tag svg { width: 15px; height: 15px; color: var(--accent-2); }

/* companion (dark shot, no window chrome) */
.companion-media { position: relative; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--border-2); box-shadow: var(--shadow-lg); }

/* ============================================================
   METRICS / OUTCOMES
   ============================================================ */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 54px; }
.mstat { text-align: center; padding: 30px 18px; border-radius: var(--r-lg); background: var(--bg-2); border: 1px solid var(--border); }
.mstat .v { font-size: clamp(38px, 5vw, 54px); font-weight: 600; letter-spacing: -0.03em; line-height: 1; }
.mstat .v.grad { background: linear-gradient(120deg, var(--accent-2), var(--purple)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.mstat .k { font-size: 14px; color: var(--text-2); margin-top: 12px; line-height: 1.5; }

/* ============================================================
   USE CASES
   ============================================================ */
.uc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 50px; }
.uc {
  display: flex; gap: 18px; padding: 26px; border-radius: var(--r-lg);
  background: var(--bg-2); border: 1px solid var(--border); transition: border-color 0.15s, transform 0.12s, background 0.15s;
}
.uc:hover { border-color: var(--border-3); transform: translateY(-2px); background: var(--bg-3); }
.uc .ic { width: 46px; height: 46px; border-radius: var(--r-md); flex-shrink: 0; display: grid; place-items: center; }
.uc .ic svg { width: 22px; height: 22px; }
.uc .ic.b { background: var(--accent-soft); color: var(--accent-2); border: 1px solid var(--accent-line); }
.uc .ic.g { background: rgba(54,211,153,0.12); color: var(--ok); border: 1px solid rgba(54,211,153,0.3); }
.uc .ic.p { background: var(--purple-soft); color: var(--purple); border: 1px solid rgba(167,139,250,0.3); }
.uc .ic.a { background: rgba(245,181,74,0.12); color: var(--warn); border: 1px solid rgba(245,181,74,0.3); }
.uc h3 { font-size: 18px; font-weight: 600; margin: 0; }
.uc p { font-size: 14.5px; color: var(--text-2); margin: 7px 0 0; line-height: 1.55; }

/* ============================================================
   PRICING
   ============================================================ */
.tiers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 54px; align-items: stretch; }
.tier {
  display: flex; flex-direction: column; padding: 26px 24px; border-radius: var(--r-lg);
  background: var(--bg-2); border: 1px solid var(--border); position: relative;
}
.tier.feat {
  border-color: var(--accent-line);
  background: linear-gradient(180deg, var(--accent-soft), transparent 40%), var(--bg-2);
  box-shadow: 0 30px 70px -34px var(--glow);
}
.tier .pop {
  position: absolute; top: -12px; left: 30px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: #fff; background: linear-gradient(180deg, var(--accent-2), var(--accent));
  padding: 5px 11px; border-radius: var(--r-full); box-shadow: 0 8px 20px -6px var(--glow);
}
.tier .name { font-size: 15px; font-weight: 600; color: var(--text-1); letter-spacing: 0.02em; }
.tier.feat .name { color: var(--accent-2); }
.tier .price { font-size: 32px; font-weight: 600; letter-spacing: -0.03em; margin: 14px 0 0; line-height: 1; }
.tier .price small { font-size: 14px; color: var(--text-2); font-weight: 500; letter-spacing: 0; }
.tier .sub { font-size: 13.5px; color: var(--text-2); margin-top: 8px; min-height: 20px; }
.tier .sep { height: 1px; background: var(--border); margin: 22px 0; }
.tier .li { display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px; color: var(--text-1); padding: 6px 0; }
.tier .li svg { width: 17px; height: 17px; color: var(--accent-2); flex-shrink: 0; margin-top: 1px; }
.tier .btn { margin-top: 26px; width: 100%; }
.pricing-note { text-align: center; font-size: 13px; color: var(--text-3); margin-top: 22px; font-family: var(--font-mono); }

/* ============================================================
   FAQ
   ============================================================ */
.faq { max-width: 800px; margin: 50px auto 0; }
.qa { border-bottom: 1px solid var(--border); }
.qa:first-child { border-top: 1px solid var(--border); }
.qa-q {
  width: 100%; display: flex; align-items: center; gap: 16px; text-align: left;
  padding: 24px 4px; background: none; border: 0; color: var(--text-0);
  font-size: 17px; font-weight: 500; font-family: inherit; transition: color 0.13s;
}
.qa-q:hover { color: var(--accent-2); }
.qa-q .chev { margin-left: auto; flex-shrink: 0; width: 20px; height: 20px; color: var(--text-2); transition: transform 0.25s; }
.qa.open .qa-q .chev { transform: rotate(45deg); color: var(--accent-2); }
.qa-a { overflow: hidden; max-height: 0; transition: max-height 0.3s ease; }
.qa-a-inner { padding: 0 40px 24px 4px; font-size: 15.5px; color: var(--text-1); line-height: 1.65; }

/* ============================================================
   FINAL CTA
   ============================================================ */
.cta {
  position: relative; overflow: hidden; text-align: center;
  padding: 100px 0;
}
.cta-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(50% 60% at 50% 0%, var(--accent-soft), transparent 65%),
    radial-gradient(40% 50% at 85% 100%, var(--purple-soft), transparent 60%);
}
.cta-grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.4;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(70% 70% at 50% 50%, #000, transparent 75%);
          mask-image: radial-gradient(70% 70% at 50% 50%, #000, transparent 75%);
}
.cta .wrap { position: relative; z-index: 1; }
.cta h2 { font-size: clamp(32px, 4.6vw, 52px); font-weight: 600; letter-spacing: -0.03em; line-height: 1.06; margin: 18px 0 0; text-wrap: balance; }
.cta-steps { display: flex; align-items: center; justify-content: center; gap: 8px; margin: 34px 0 0; flex-wrap: wrap; }
.cta-step { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-radius: var(--r-full); background: var(--bg-2); border: 1px solid var(--border); font-size: 14.5px; font-weight: 500; white-space: nowrap; }
.cta-step .b { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-family: var(--font-mono); font-size: 12px; font-weight: 600; color: #fff; background: linear-gradient(180deg, var(--accent-2), var(--accent)); }
.cta-arrow { color: var(--text-3); display: grid; place-items: center; }
.cta-arrow svg { width: 18px; height: 18px; }
.cta-buttons { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 38px; flex-wrap: wrap; }
.cta-fine { margin-top: 18px; font-size: 13.5px; color: var(--text-2); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { border-top: 1px solid var(--border); padding: 56px 0 40px; background: var(--bg-1); }
.footer-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer .blurb { max-width: 300px; }
.footer .blurb p { font-size: 14px; color: var(--text-2); margin: 14px 0 0; line-height: 1.6; }
.footer-cols { display: flex; gap: 64px; flex-wrap: wrap; }
.footer-col h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin: 0 0 14px; }
.footer-col a { display: block; font-size: 14px; color: var(--text-1); padding: 6px 0; transition: color 0.12s; }
.footer-col a:hover { color: var(--accent-2); }
.footer-bot { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-top: 46px; padding-top: 24px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.footer-bot .cp { font-size: 13px; color: var(--text-3); }
.footer-bot .made { font-size: 13px; color: var(--text-3); font-family: var(--font-mono); }

/* reveal-on-scroll — enhancement only; visible without JS */
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s cubic-bezier(0.2,0.7,0.3,1), transform 0.6s cubic-bezier(0.2,0.7,0.3,1); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .sec { padding: 80px 0; }
  .steps { grid-template-columns: 1fr; gap: 20px; }
  .steps::before { display: none; }
  .feat-block, .feat-block.rev { grid-template-columns: 1fr; gap: 36px; }
  .feat-block.rev .feat-copy { order: 1; }
  .feat-block.rev .feat-media { order: 2; }
  .feat-copy { max-width: 100%; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .uc-grid { grid-template-columns: 1fr; }
  .tiers { grid-template-columns: repeat(2, 1fr); max-width: 620px; margin-left: auto; margin-right: auto; }
  .nav-links { display: none; }
  .hero-pill { right: 8px; transform: scale(0.86); transform-origin: bottom right; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 18px; }
  .metrics { grid-template-columns: 1fr; }
  .tiers { grid-template-columns: 1fr; max-width: 420px; }
  .hero-cta .btn, .cta-buttons .btn { width: 100%; }
  .hero-pill { display: none; }
  .cta-step .l { display: none; }
}

/* ============ contact form (заявка + согласия 152-ФЗ/38-ФЗ) ============ */
.contact-form {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cf-field { display: flex; flex-direction: column; gap: 7px; }
.cf-label { font-size: 13px; font-weight: 600; color: var(--text-1); }
.cf-input {
  font: inherit;
  font-size: 14.5px;
  color: var(--text-0);
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--r-md);
  padding: 12px 14px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
  resize: vertical;
}
.cf-input::placeholder { color: var(--text-2); }
.cf-input:focus { border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft); }

/* honeypot — вне экрана, не display:none (часть ботов такое распознаёт) */
.cf-hp { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* согласия: галочки не предзаполнены, текст читаемый (не мелкий и не блеклый) */
.cf-consent {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  cursor: pointer;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-1);
}
.cf-consent input {
  appearance: none;
  flex: none;
  width: 19px;
  height: 19px;
  margin-top: 2px;
  border: 1.6px solid var(--border-3);
  border-radius: 5px;
  background: var(--bg-2);
  cursor: pointer;
  display: grid;
  place-content: center;
  transition: border-color .15s, background .15s;
}
.cf-consent input:focus-visible { outline: 2px solid var(--accent-line); outline-offset: 2px; }
.cf-consent input::after {
  content: '';
  width: 10px; height: 10px;
  transform: scale(0);
  transition: transform .12s;
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
  background: #fff;
}
.cf-consent input:checked { background: var(--accent-strong); border-color: var(--accent-strong); }
.cf-consent input:checked::after { transform: scale(1); }
.cf-consent a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 2px; }
.cf-consent em { color: var(--text-2); font-style: normal; }

.cf-captcha { margin-top: 4px; }
.cf-captcha:empty { display: none; }
.cf-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 4px; }
.cf-actions .btn[disabled] { opacity: .45; cursor: not-allowed; pointer-events: none; }
.cf-note { font-size: 12.5px; color: var(--text-2); flex: 1; min-width: 220px; }
.cf-status { font-size: 13.5px; color: var(--err); min-height: 0; }
.cf-status:empty { display: none; }

.contact-done {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 48px 28px;
  text-align: center;
}
.contact-done .cd-mark {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: grid; place-content: center;
  color: var(--ok);
  background: rgba(54,211,153,0.12);
  border: 1px solid rgba(54,211,153,0.35);
}
.contact-done h3 { margin: 0 0 8px; font-size: 22px; }
.contact-done p { margin: 0; color: var(--text-1); }

@media (max-width: 560px) {
  .cf-row { grid-template-columns: 1fr; }
  .contact-form { padding: 20px; }
}

/* ============ legal pages (privacy / consent) ============ */
.legal-page { max-width: 820px; margin: 0 auto; padding: 120px 24px 80px; }
.legal-page h1 { font-size: clamp(26px, 4vw, 34px); line-height: 1.2; margin: 0 0 10px; }
.legal-page .legal-meta { color: var(--text-2); font-size: 13.5px; margin-bottom: 34px; }
.legal-page h2 { font-size: 20px; margin: 36px 0 12px; }
.legal-page h3 { font-size: 16px; margin: 26px 0 10px; }
.legal-page p, .legal-page li { font-size: 15px; line-height: 1.7; color: var(--text-1); }
.legal-page strong { color: var(--text-0); }
.legal-page a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 2px; }
.legal-page table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin: 14px 0; }
.legal-page th, .legal-page td { border: 1px solid var(--border-2); padding: 9px 12px; text-align: left; color: var(--text-1); vertical-align: top; }
.legal-page th { color: var(--text-0); background: var(--bg-2); font-weight: 600; }
.legal-page .legal-callout { background: var(--bg-2); border: 1px solid var(--border-2); border-left: 3px solid var(--accent); border-radius: var(--r-md); padding: 14px 18px; font-size: 14px; color: var(--text-1); margin: 18px 0; }
.legal-page .table-scroll { overflow-x: auto; }