/* Матрица 2027. Радиусы: элементы управления 12px, панели 16px. Один акцент на всю страницу. */
:root {
  --bg: #f1f4f3;
  --surface: #fafcfb;
  --ink: #142028;
  --muted: #4a5961;
  --line: #d3dcda;
  --accent: #1c6a5f;
  --accent-ink: #f2f8f6;
  --accent-soft: #dcebe6;
  --danger: #a3343c;
  --r-ctl: 12px;
  --r-panel: 16px;
  --shadow: 0 18px 40px -24px rgb(20 48 44 / 0.35);
  --font: "Onest", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1316;
    --surface: #141c21;
    --ink: #e5ecea;
    --muted: #a2b0b3;
    --line: #26333a;
    --accent: #5dbdac;
    --accent-ink: #0a1513;
    --accent-soft: #17332e;
    --danger: #e0727a;
    --shadow: 0 18px 40px -24px rgb(0 0 0 / 0.6);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

/* Навигация */
.nav { height: 68px; display: flex; align-items: center; justify-content: space-between; }
.brand { font-weight: 700; letter-spacing: -0.01em; font-size: 18px; text-decoration: none; color: var(--ink); display: flex; gap: 10px; align-items: center; }
.brand-mark { width: 28px; height: 28px; }
.nav a.nav-link { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav a.nav-link:hover { color: var(--ink); }

/* Герой */
.hero { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; padding-block: 40px 72px; min-height: calc(100dvh - 68px); }
.hero h1 { font-size: clamp(34px, 4.6vw, 56px); line-height: 1.08; letter-spacing: -0.025em; margin: 0 0 18px; font-weight: 700; max-width: 14ch; }
.hero h1 span { color: var(--accent); }
.hero p.lead { font-size: 19px; color: var(--muted); margin: 0 0 32px; max-width: 34ch; }
.hero-visual { position: relative; }

/* Форма */
.calc { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; align-items: end; max-width: 560px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink); }
.field input {
  font: inherit; font-size: 17px; color: var(--ink);
  background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--r-ctl);
  padding: 13px 14px; min-width: 0; width: 100%;
}
.field input::placeholder { color: color-mix(in srgb, var(--muted) 75%, transparent); }
.field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field .help { font-size: 13px; color: var(--muted); min-height: 1.2em; }
.field .help.err { color: var(--danger); }
.btn {
  font: inherit; font-weight: 600; font-size: 17px; white-space: nowrap;
  background: var(--accent); color: var(--accent-ink); border: 0; border-radius: var(--r-ctl);
  padding: 14px 22px; cursor: pointer; transition: transform .15s ease, filter .15s ease;
}
.btn:hover { filter: brightness(1.06); }
.btn:active { transform: translateY(1px) scale(0.99); }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.calc .btn { margin-bottom: 25px; }

/* Матрица SVG */
.matrix-svg { width: 100%; height: auto; }
.matrix-svg .ln { stroke: var(--line); stroke-width: 1.6; fill: none; }
.matrix-svg .ln-accent { stroke: var(--accent); stroke-width: 1.8; fill: none; opacity: .55; }
.matrix-svg .pt circle { fill: var(--surface); stroke: var(--line); stroke-width: 1.6; }
.matrix-svg .pt.key circle { fill: var(--accent-soft); stroke: var(--accent); }
.matrix-svg .pt.center circle { fill: var(--accent); stroke: var(--accent); }
.matrix-svg .pt text { font-family: var(--font); font-weight: 700; fill: var(--ink); text-anchor: middle; dominant-baseline: central; }
.matrix-svg .pt.center text { fill: var(--accent-ink); }
.matrix-svg .pt.small text { font-weight: 600; }
.matrix-svg .cap { font-family: var(--font); font-size: 13px; fill: var(--muted); text-anchor: middle; }
@media (prefers-reduced-motion: no-preference) {
  .matrix-svg.draw .ln, .matrix-svg.draw .ln-accent { stroke-dasharray: 1400; stroke-dashoffset: 1400; animation: draw 1.4s cubic-bezier(.16,1,.3,1) forwards; }
  .matrix-svg.draw .pt { opacity: 0; animation: pop .5s ease forwards; animation-delay: calc(.5s + var(--i, 0) * 40ms); }
  @keyframes draw { to { stroke-dashoffset: 0; } }
  @keyframes pop { to { opacity: 1; } }
}

/* Результат */
.result { padding-block: 24px 88px; }
.result[hidden] { display: none; }
.result-head { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
.result h2 { font-size: clamp(28px, 3.2vw, 40px); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 8px; }
.result .sub { color: var(--muted); margin: 0 0 28px; }
.reading { display: grid; gap: 14px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-panel); padding: 22px 24px; }
.card h3 { font-size: 20px; line-height: 1.3; margin: 0 0 4px; letter-spacing: -0.01em; }
.card .arc { font-size: 14px; color: var(--accent); font-weight: 600; margin: 0 0 10px; }
.card p { margin: 0 0 10px; }
.card p:last-child { margin-bottom: 0; }
.card.locked { position: relative; overflow: hidden; }
.card.locked .blur { filter: blur(5px); user-select: none; pointer-events: none; }
.card.locked .lock-note { margin-top: 12px; font-weight: 600; color: var(--accent); }

/* Оффер */
.offer { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-panel); box-shadow: var(--shadow); padding: 40px; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; margin-top: 40px; }
.offer h2 { margin: 0 0 12px; }
.inside { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 28px; margin: 22px 0 0; padding: 0; list-style: none; }
.inside li { display: flex; gap: 10px; align-items: baseline; }
.inside li i { color: var(--accent); flex: none; position: relative; top: 2px; }
.price-box { background: var(--accent-soft); border-radius: var(--r-panel); padding: 28px; display: grid; gap: 14px; align-content: start; }
.price { font-size: 44px; font-weight: 700; letter-spacing: -0.02em; line-height: 1; }
.price small { font-size: 18px; color: var(--muted); font-weight: 500; }
.price-box ul { margin: 0; padding: 0 0 0 18px; color: var(--ink); font-size: 15px; }

/* Без магии */
.manifest { padding-block: 96px; border-top: 1px solid var(--line); }
.manifest .eyebrow { font-size: 13px; font-weight: 600; color: var(--accent); letter-spacing: .08em; text-transform: uppercase; margin: 0 0 14px; }
.manifest h2 { font-size: clamp(28px, 3.4vw, 44px); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 20px; max-width: 22ch; }
.manifest p { color: var(--muted); max-width: 62ch; margin: 0 0 14px; font-size: 18px; }
.diff { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 16px; margin-top: 48px; }
.diff div { border-radius: var(--r-panel); padding: 24px; background: var(--surface); border: 1px solid var(--line); }
.diff div:first-child { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.diff div:first-child p { color: color-mix(in srgb, var(--accent-ink) 82%, transparent); }
.diff strong { display: block; font-size: 19px; margin-bottom: 6px; }
.diff p { margin: 0; font-size: 15px; color: var(--muted); }

/* Вопросы */
.faq { padding-block: 80px 96px; display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 48px; }
.faq h2 { font-size: clamp(26px, 3vw, 36px); margin: 0; letter-spacing: -0.02em; }
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
details summary { cursor: pointer; font-weight: 600; font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; color: var(--accent); font-size: 22px; line-height: 1; }
details[open] summary::after { content: "-"; }
details p { color: var(--muted); margin: 10px 0 0; }

footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

/* Модальное окно оплаты */
dialog { border: 0; border-radius: var(--r-panel); padding: 32px; max-width: 460px; width: calc(100% - 32px); background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
dialog::backdrop { background: rgb(10 20 22 / 0.5); }
dialog h3 { margin: 0 0 8px; font-size: 22px; }
dialog p { color: var(--muted); margin: 0 0 18px; }
dialog form { display: grid; gap: 14px; }
.dlg-actions { display: flex; gap: 10px; justify-content: flex-end; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 32px; min-height: auto; padding-top: 16px; }
  .hero-visual { order: -1; max-width: 340px; margin: 0 auto; }
  .calc { grid-template-columns: 1fr; }
  .calc .btn { margin-bottom: 0; }
  .result-head, .offer, .faq { grid-template-columns: 1fr; gap: 28px; }
  .offer { padding: 24px; }
  .inside { grid-template-columns: 1fr; }
  .diff { grid-template-columns: 1fr; }
  .manifest { padding-block: 64px; }
}