/* Nado Design System v0 «Рассвет» — черновик, 11.11.2026.
   Будущее + забота: тёплая бумага, глубокие чернила, аврора (бирюза → фиалка → персик).
   Токены сверху; всё остальное ссылается только на них. */

:root {
  --bg: #f7f5f0;
  --bg-2: #efece4;
  --surface: #ffffff;
  --surface-glass: rgba(255, 255, 255, 0.66);
  --ink: #14161f;
  --ink-2: #4a4f63;
  --ink-3: #777c90;
  --line: #e2ded4;
  --line-strong: #cfc9bb;
  --accent: #5b4df0;
  --accent-ink: #ffffff;
  --care: #128a7d;
  --care-bg: #dff4f0;
  --warm: #d9653a;
  --warm-bg: #fdebe2;
  --aurora-1: #2ec4b6;
  --aurora-2: #7b6cf6;
  --aurora-3: #ff9f7a;
  --aurora: linear-gradient(115deg, var(--aurora-1) 0%, var(--aurora-2) 52%, var(--aurora-3) 100%);
  --shadow-1: 0 1px 2px rgba(20, 22, 31, 0.05), 0 8px 24px rgba(20, 22, 31, 0.06);
  --shadow-2: 0 2px 6px rgba(20, 22, 31, 0.06), 0 24px 60px rgba(60, 50, 140, 0.12);
  --r-s: 12px;
  --r-m: 20px;
  --r-l: 28px;
  --font-display: "Unbounded", "Manrope", system-ui, sans-serif;
  --font-text: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --w: 1160px;
  --gutter: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c0e16; --bg-2: #11131e; --surface: #161927; --surface-glass: rgba(22, 25, 39, 0.66);
    --ink: #f2f0ea; --ink-2: #b3b8cc; --ink-3: #8a8fa6; --line: #262a3b; --line-strong: #353a50;
    --accent: #9c90ff; --accent-ink: #0c0e16; --care: #4fd6c6; --care-bg: #0f2f2c; --warm: #ff9f7a; --warm-bg: #33201a;
    --shadow-1: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
    --shadow-2: 0 2px 6px rgba(0,0,0,.4), 0 24px 60px rgba(0,0,0,.45);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0c0e16; --bg-2: #11131e; --surface: #161927; --surface-glass: rgba(22, 25, 39, 0.66);
  --ink: #f2f0ea; --ink-2: #b3b8cc; --ink-3: #8a8fa6; --line: #262a3b; --line-strong: #353a50;
  --accent: #9c90ff; --accent-ink: #0c0e16; --care: #4fd6c6; --care-bg: #0f2f2c; --warm: #ff9f7a; --warm-bg: #33201a;
  --shadow-1: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
  --shadow-2: 0 2px 6px rgba(0,0,0,.4), 0 24px 60px rgba(0,0,0,.45);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: hidden; overflow-x: clip; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 17px/1.6 var(--font-text); font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 12px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 8px; }

.wrap { max-width: var(--w); margin: 0 auto; padding: 0 var(--gutter); }

/* Черновик */
.draft {
  font: 600 12px/1 var(--font-text); letter-spacing: .08em; text-transform: uppercase;
  text-align: center; padding: 8px var(--gutter); color: var(--ink-2); background: var(--bg-2);
  border-bottom: 1px solid var(--line);
}

/* Шапка */
.top { position: sticky; top: 0; z-index: 5; backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px); background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent); }
.top .wrap { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink);
  font: 700 22px/1 var(--font-display); letter-spacing: -.02em; }
.logo svg { width: 30px; height: 30px; }
.nav { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav a { color: var(--ink-2); text-decoration: none; font-weight: 600; font-size: 15px; padding: 10px 0; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.theme-btn { border: 1px solid var(--line); background: var(--surface); color: var(--ink); width: 44px; height: 44px;
  border-radius: 50%; cursor: pointer; display: grid; place-items: center; }
@media (max-width: 760px) { .nav a.hide-s { display: none; } .nav { gap: 14px; } }
@media (max-width: 560px) { .nav a.hide-xs { display: none; } .nav a { font-size: 14px; } .top .wrap { gap: 12px; } }

/* Кнопки */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 26px;
  border-radius: 999px; font: 700 16px/1 var(--font-text); text-decoration: none; cursor: pointer; border: 0;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.btn-primary { background: var(--ink); color: var(--bg); box-shadow: var(--shadow-1); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line-strong); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-aurora { background: var(--aurora); color: #14161f; }

/* Аврора-фон */
.aurora-bg { position: absolute; inset: -20% -10% auto -10%; height: 760px; z-index: -1; pointer-events: none; filter: blur(60px); opacity: .55; }
.aurora-bg i { position: absolute; border-radius: 50%; mix-blend-mode: multiply; animation: drift 22s var(--ease) infinite alternate; }
.aurora-bg i:nth-child(1) { width: 520px; height: 520px; left: 8%; top: 4%; background: var(--aurora-1); }
.aurora-bg i:nth-child(2) { width: 600px; height: 600px; left: 40%; top: -10%; background: var(--aurora-2); animation-delay: -6s; }
.aurora-bg i:nth-child(3) { width: 460px; height: 460px; left: 68%; top: 18%; background: var(--aurora-3); animation-delay: -12s; }
:root[data-theme="dark"] .aurora-bg i, :root:not([data-theme="light"]) .aurora-bg i { mix-blend-mode: normal; }
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .aurora-bg i { mix-blend-mode: multiply; } }
:root[data-theme="dark"] .aurora-bg { opacity: .32; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .aurora-bg { opacity: .32; } }
@keyframes drift { to { transform: translate3d(40px, 30px, 0) scale(1.08); } }

/* Герой */
.hero { position: relative; isolation: isolate; overflow: hidden; overflow: clip; padding: clamp(56px, 10vw, 120px) 0 clamp(48px, 8vw, 96px); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 700 13px/1 var(--font-text); letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-2); padding: 9px 14px; border-radius: 999px; background: var(--surface-glass);
  border: 1px solid var(--line); backdrop-filter: blur(8px); }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--aurora); }
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -.025em; line-height: 1.08; margin: 0; font-weight: 600; }
h1 { font-size: clamp(42px, 7.4vw, 92px); margin: 22px 0 22px; }
h1 .grad, h2 .grad { background: var(--aurora); -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { font-size: clamp(30px, 4.4vw, 52px); }
h3 { font-size: clamp(19px, 2vw, 23px); line-height: 1.25; letter-spacing: -.01em; }
.lead { font-size: clamp(18px, 2vw, 22px); line-height: 1.55; color: var(--ink-2); max-width: 680px; margin: 0 0 34px; }
.cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-note { margin-top: 22px; color: var(--ink-3); font-size: 14px; }

/* Секции */
section.block { padding: clamp(56px, 9vw, 112px) 0; }
.block-head { max-width: 760px; margin-bottom: clamp(32px, 5vw, 56px); }
.block-head p { color: var(--ink-2); font-size: 19px; margin: 18px 0 0; }
.kicker { font: 700 13px/1 var(--font-text); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; display: block; }
.alt { background: var(--bg-2); border-block: 1px solid var(--line); }

/* Карточки */
.grid { display: grid; gap: 18px; }
.g2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.g4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-l); padding: 28px; box-shadow: var(--shadow-1); }
.card p { color: var(--ink-2); margin: 12px 0 0; }
.card .num { font: 600 15px/1 var(--font-mono); color: var(--ink-3); }
.card .ico { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 20px; background: var(--bg-2); }
.card .ico svg { width: 26px; height: 26px; }
.card.glow { position: relative; }
.card.glow::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: var(--aurora);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: .7; pointer-events: none; }

/* Демо: «надо» → маршрут → чек */
.demo { display: grid; gap: 18px; grid-template-columns: 1.1fr .9fr; align-items: start; }
@media (max-width: 900px) { .demo { grid-template-columns: 1fr; } }
.say { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-l); padding: 22px; box-shadow: var(--shadow-2); }
.say-input { display: flex; gap: 12px; align-items: center; border: 1px solid var(--line-strong); border-radius: 18px; padding: 14px 16px; min-height: 60px; font-size: 18px; }
.say-input .caret { width: 2px; height: 22px; background: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.say-input .typed { flex: 1; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip { font: 600 13px/1 var(--font-text); padding: 9px 12px; border-radius: 999px; background: var(--bg-2); color: var(--ink-2); border: 1px solid var(--line); }
.chip.ok { background: var(--care-bg); color: var(--care); border-color: transparent; }
.routes { display: grid; gap: 12px; margin-top: 18px; }
.route { border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; display: grid; gap: 6px; background: var(--surface); }
.route.best { border-color: transparent; background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--aurora) border-box; border: 1.5px solid transparent; }
.route .tag { font: 700 12px/1 var(--font-text); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.route.best .tag { color: var(--accent); }
.route .row { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-weight: 600; }
.route .meta { color: var(--ink-2); font-size: 15px; }
.receipt { font: 400 13.5px/1.7 var(--font-mono); background: var(--surface); border: 1px dashed var(--line-strong); border-radius: var(--r-m); padding: 22px; color: var(--ink-2); position: relative; }
.receipt b { color: var(--ink); font-weight: 600; }
.receipt .ttl { font-family: var(--font-display); font-size: 15px; color: var(--ink); letter-spacing: .02em; margin-bottom: 10px; display: block; }
.receipt hr { border: 0; border-top: 1px dashed var(--line-strong); margin: 12px 0; }
.receipt .zero { color: var(--care); font-weight: 600; }
.reveal { opacity: 0; transform: translateY(10px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.on { opacity: 1; transform: none; }

/* Путь B → C */
.path { display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; margin: 8px 0 30px; }
.pt { display: grid; gap: 6px; justify-items: center; text-align: center; font-weight: 700; }
.pt .c { width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; font: 600 20px/1 var(--font-display); }
.pt.b .c { border: 2px solid var(--ink); }
.pt.c2 .c { background: var(--aurora); color: #14161f; box-shadow: 0 0 0 8px color-mix(in srgb, var(--aurora-2) 18%, transparent); }
.pt small { color: var(--ink-3); font-weight: 600; font-size: 13px; }
.path svg { width: 100%; height: 70px; overflow: visible; }
.path .dash { stroke-dasharray: 6 8; animation: flow 2.4s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -28; } }

/* Списки-обещания */
.charter { counter-reset: c; display: grid; gap: 0; border-top: 1px solid var(--line); }
.charter li { list-style: none; counter-increment: c; display: grid; grid-template-columns: 64px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.charter li::before { content: counter(c, decimal-leading-zero); font: 600 15px/1.6 var(--font-mono); color: var(--ink-3); }
.charter b { display: block; font-size: 18px; }
.charter span { color: var(--ink-2); }
.charter-wrap { padding: 0; margin: 0; }

/* Платформы */
.plats { display: flex; flex-wrap: wrap; gap: 10px; }
.plat { display: inline-flex; align-items: center; gap: 8px; padding: 12px 16px; border-radius: 14px; background: var(--surface);
  border: 1px solid var(--line); font-weight: 700; font-size: 15px; }
.plat em { font-style: normal; font-weight: 600; font-size: 12px; color: var(--ink-3); }
.plat.first { border-color: transparent; background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--aurora) border-box; border: 1.5px solid transparent; }

/* Код */
pre.code { margin: 0; font: 400 13.5px/1.65 var(--font-mono); background: #12141d; color: #e6e3f5; border-radius: var(--r-m);
  padding: 22px; overflow-x: auto; border: 1px solid #23263a; }
pre.code .k { color: #9c90ff; } pre.code .s { color: #7ee0d3; } pre.code .n { color: #ffb899; } pre.code .c { color: #7d8298; }

/* Шаги */
.steps { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); counter-reset: s; }
.step { counter-increment: s; position: relative; padding-top: 54px; }
.step::before { content: counter(s); position: absolute; top: 0; left: 0; width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center; font: 600 16px/1 var(--font-display); background: var(--ink); color: var(--bg); }
.step p { color: var(--ink-2); margin: 10px 0 0; }

/* Большая цитата */
.quote { font: 500 clamp(24px, 3.2vw, 38px)/1.3 var(--font-display); letter-spacing: -.015em; max-width: 920px; }
.quote .grad { background: var(--aurora); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 6px 0; }
summary { cursor: pointer; list-style: none; font-weight: 700; font-size: 18px; padding: 16px 40px 16px 0; position: relative; min-height: 44px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 6px; top: 12px; font: 400 26px/1 var(--font-display); color: var(--ink-3); transition: transform .3s var(--ease); }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--ink-2); margin: 0 0 18px; max-width: 820px; }

/* Лист ожидания */
.wait { position: relative; isolation: isolate; overflow: hidden; border-radius: var(--r-l); padding: clamp(32px, 6vw, 64px);
  background: var(--ink); color: var(--bg); }
.wait::before { content: ""; position: absolute; inset: auto -20% -60% -20%; height: 120%; background: var(--aurora); filter: blur(80px); opacity: .45; z-index: -1; }
.wait h2 { color: var(--bg); }
.wait p { color: color-mix(in srgb, var(--bg) 78%, transparent); max-width: 620px; }
.wait form { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.wait input { flex: 1 1 260px; min-height: 52px; border-radius: 999px; border: 1px solid color-mix(in srgb, var(--bg) 30%, transparent);
  background: color-mix(in srgb, var(--bg) 10%, transparent); color: var(--bg); padding: 0 22px; font: 500 16px var(--font-text); }
.wait input::placeholder { color: color-mix(in srgb, var(--bg) 60%, transparent); }
.wait .btn { background: var(--bg); color: var(--ink); }
.wait .soon { font-size: 14px; margin-top: 14px; color: color-mix(in srgb, var(--bg) 70%, transparent); }

/* Подвал */
footer { padding: 48px 0 64px; color: var(--ink-3); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 18px 32px; justify-content: space-between; align-items: center; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer a { color: var(--ink-2); text-decoration: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}