/* ===== Tokens ===== */
:root {
  color-scheme: light;
  --bg: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f0efec;
  --text: #0b0b0b;
  --text-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.1);
  --accent: #2a78d6;
  --accent-ink: #ffffff;
  --accent-soft: #cde2fb;
  --good: #006300;
  --bad: #d03b3b;

  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --series-4: #eda100;
  --series-5: #e87ba4;

  --radius: 14px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --max: 1120px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #232322;
    --text: #ffffff;
    --text-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.1);
    --accent: #3987e5;
    --accent-soft: #184f95;
    --good: #0ca30c;
    --bad: #e66767;
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --series-4: #c98500;
    --series-5: #d55181;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #232322;
  --text: #ffffff;
  --text-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.1);
  --accent: #3987e5;
  --accent-soft: #184f95;
  --good: #0ca30c;
  --bad: #e66767;
  --series-1: #3987e5;
  --series-2: #d95926;
  --series-3: #199e70;
  --series-4: #c98500;
  --series-5: #d55181;
}

/* ===== Base ===== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; color: var(--text-2); }

.container { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
section { padding: 72px 0; }
.section-head { max-width: 680px; margin-bottom: 36px; }
.eyebrow {
  display: inline-block;
  font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
  color: var(--accent); margin-bottom: .75em;
}

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); font-size: 1.1rem; }
.logo:hover { text-decoration: none; }
.logo-mark { width: 28px; height: 28px; }
.logo-tld { color: var(--muted); font-weight: 600; }
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a { color: var(--text-2); font-size: .95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-actions { display: flex; gap: 8px; align-items: center; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); cursor: pointer; display: grid; place-items: center;
}
.menu-btn { display: none; }
@media (max-width: 820px) {
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--surface); border-bottom: 1px solid var(--border); padding: 8px 16px 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 0; width: 100%; }
  .menu-btn { display: grid; }
  .nav-actions .btn { display: none; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px; font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; cursor: pointer; font-family: inherit;
  transition: transform .15s ease, background .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-sm { padding: 8px 14px; font-size: .875rem; }

/* ===== Hero ===== */
.hero { padding: 88px 0 64px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.hero p.lead { font-size: 1.15rem; max-width: 540px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.hero-stats { display: flex; gap: 32px; margin-top: 40px; flex-wrap: wrap; }
.hero-stats strong { display: block; font-size: 1.6rem; color: var(--text); }
.hero-stats span { font-size: .875rem; color: var(--muted); }
.hero-visual {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: 0 20px 50px -30px rgba(0,0,0,.35);
}
.hero-visual .mini-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.mini-kpi { background: var(--surface-2); border-radius: 10px; padding: 10px 12px; }
.mini-kpi span { display: block; font-size: .75rem; color: var(--muted); }
.mini-kpi strong { font-size: 1.1rem; }
.mini-kpi em { display: block; font-style: normal; font-size: .75rem; color: var(--good); }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* ===== Cards / grids ===== */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px;
}
.card p { margin-bottom: 0; }
.card-icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 16px;
}
:root[data-theme="dark"] .card-icon { color: #fff; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .card-icon { color: #fff; } }
.card ul { margin: 14px 0 0; padding-left: 18px; color: var(--text-2); font-size: .925rem; }
.card ul li { margin-bottom: 4px; }

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

/* ===== Process ===== */
.steps { counter-reset: step; }
.step { position: relative; padding-top: 52px; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; top: 22px; left: 26px; font-weight: 700; color: var(--accent); font-size: .9rem;
}

/* ===== Demos ===== */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.chip {
  padding: 7px 14px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text-2); cursor: pointer; font: inherit; font-size: .875rem;
}
.chip[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.demo-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.demo-thumb { aspect-ratio: 16 / 9; background: var(--surface-2); border-bottom: 1px solid var(--border); display: block; }
.demo-body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.demo-body p { font-size: .925rem; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { font-size: .75rem; padding: 3px 9px; border-radius: 999px; background: var(--surface-2); color: var(--text-2); }
.demo-body .btn { margin-top: auto; align-self: flex-start; }
.empty { color: var(--muted); }

/* ===== Pricing ===== */
.price { font-size: 1.6rem; font-weight: 700; color: var(--text); margin: 8px 0 4px; }
.price small { font-size: .9rem; font-weight: 500; color: var(--muted); }
.card.featured { border: 2px solid var(--accent); }

/* ===== FAQ ===== */
details {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px 20px; margin-bottom: 10px;
}
summary { cursor: pointer; font-weight: 600; }
details p { margin: 10px 0 0; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; }
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }
form .field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
label { font-size: .875rem; font-weight: 600; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 10px; padding: 11px 13px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
textarea { min-height: 120px; resize: vertical; }
.form-note { font-size: .8rem; color: var(--muted); margin-top: 10px; }

/* ===== Footer ===== */
footer { padding: 32px 0; border-top: 1px solid var(--border); color: var(--muted); font-size: .875rem; }
footer .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ===== Монетизация: магазин, консультации, согласие, cookie ===== */
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: auto; padding-top: 16px; }
.demo-body .card-actions .btn { margin-top: 0; }
.product { display: flex; flex-direction: column; }
.product ul { margin-bottom: 4px; }
.old-price { color: var(--muted); font-size: 1rem; font-weight: 500; }
.card.flash { outline: 3px solid var(--accent); outline-offset: 2px; transition: outline-color .3s; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: .85rem; color: var(--text-2); margin: 4px 0 16px; }
.check input { width: 18px; height: 18px; margin-top: 2px; flex: none; accent-color: var(--accent); }
footer .footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
footer .footer-links a { color: var(--muted); }
footer .container > div > div + div { margin-top: 4px; }
.cookie-bar {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 50; max-width: 720px; margin: 0 auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px;
  display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap;
  box-shadow: 0 12px 40px -12px rgba(0,0,0,.35); font-size: .875rem;
}
.cookie-bar p { margin: 0; flex: 1 1 280px; }
.cookie-bar div { display: flex; gap: 8px; }

/* ===== Юридические страницы ===== */
.legal { max-width: 820px; padding: 40px 16px 72px; }
.legal h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); }
.legal h2 { font-size: 1.15rem; margin-top: 1.8em; }
.legal p, .legal li { color: var(--text-2); }
.legal .warn { background: var(--surface-2); border-radius: 10px; padding: 12px 14px; font-size: .875rem; }