/* Кеттік — лендинг. Токены из docs/DESIGN.md. Мобильный first, от 360 px. */

:root {
  --primary: #00AFCA;
  --on-primary: #0E1A24;
  --primary-hover: #009DB5;
  --sky-100: #E0F6FA;
  --link: #007C91;
  --accent: #F2B705;
  --success: #1E9E5A;
  --danger: #D93B3B;
  --bg: #F5F7F9;
  --surface: #FFFFFF;
  --surface-2: #FFFFFF;
  --text: #0E1A24;
  --text-2: #4A5763;
  --text-3: #8A96A1;
  --border: #E6EBEF;
  --shadow: 0 4px 16px rgba(14, 26, 36, .12);
  --mtn: #0E1A24;
  --road: #1E2C38;
  --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 24px;
  --gutter: 16px;
  --wrap: 1120px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B141C; --surface: #15212B; --surface-2: #1E2C38;
    --text: #F1F5F8; --text-2: #A9B6C1; --text-3: #8A96A1; --border: #2A3946;
    --sky-100: #0F2A33; --link: #5FD3E6; --shadow: 0 4px 16px rgba(0, 0, 0, .4);
    --mtn: #1E2C38; --road: #0B141C;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0B141C; --surface: #15212B; --surface-2: #1E2C38;
  --text: #F1F5F8; --text-2: #A9B6C1; --text-3: #8A96A1; --border: #2A3946;
  --sky-100: #0F2A33; --link: #5FD3E6; --shadow: 0 4px 16px rgba(0, 0, 0, .4);
  --mtn: #1E2C38; --road: #0B141C;
  color-scheme: dark;
}

/* ---------- база ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0s !important; animation-duration: 0s !important; }
}
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 17px/1.5 var(--font); overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--link); text-underline-offset: 3px; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; font-weight: 800; letter-spacing: -.01em; text-wrap: balance; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dd, dt { margin: 0; }
button { font: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.wrap--narrow { max-width: 820px; }
.ico { width: 24px; height: 24px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.skip { position: absolute; left: 8px; top: -60px; background: var(--primary); color: var(--on-primary); padding: 10px 14px; border-radius: var(--r-md); z-index: 100; font-weight: 600; }
.skip:focus { top: 8px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.eyebrow { color: var(--link); font-weight: 600; font-size: 14px; letter-spacing: .02em; margin-bottom: 10px; }
.fine { font-size: 13px; line-height: 1.45; color: var(--text-2); }
.fine a { color: var(--link); }
.hint { font-size: 15px; color: var(--text-2); }

/* ---------- кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 10px 20px; border-radius: var(--r-md);
  font-weight: 600; font-size: 17px; line-height: 1.2; text-decoration: none; cursor: pointer;
  border: 1.5px solid transparent; transition: background-color .2s, border-color .2s, transform .15s, box-shadow .2s;
  -webkit-tap-highlight-color: transparent; white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--primary); color: var(--on-primary); }
.btn--primary:hover { background: var(--primary-hover); }
.btn--secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn--secondary:hover { border-color: var(--text-3); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn--ghost:hover { background: var(--surface-2); border-color: var(--text-3); }
.btn--lg { min-height: 56px; padding: 12px 24px; font-size: 18px; }
.btn--sm { min-height: 40px; padding: 6px 14px; font-size: 15px; }
.btn--icon { width: 56px; padding: 0; }
.btn--store { background: var(--text); color: var(--bg); }
:root[data-theme="dark"] .btn--store { background: var(--surface-2); color: var(--text); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn--store { background: var(--surface-2); color: var(--text); } }
.btn.is-soon { opacity: .6; cursor: not-allowed; }
.btn[disabled], .btn.is-busy { opacity: .7; cursor: progress; }
.badge { font-size: 12px; font-weight: 600; padding: 3px 8px; border-radius: 999px; background: var(--accent); color: #0E1A24; }
.icon-btn {
  width: 44px; height: 44px; border-radius: 999px; border: 1.5px solid var(--border); background: var(--surface);
  color: var(--text); display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
}
.icon-btn .ico { width: 20px; height: 20px; }
.ico--sun { display: none; }
:root[data-theme="dark"] .ico--sun { display: block; }
:root[data-theme="dark"] .ico--moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .ico--sun { display: block; }
  :root:not([data-theme="light"]) .ico--moon { display: none; }
}

/* ---------- шапка ---------- */
.hdr { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.hdr__in { display: flex; align-items: center; gap: 12px; min-height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); margin-right: auto; }
.logo__mark { width: 36px; height: 36px; border-radius: 10px; }
.logo__word { font-weight: 800; font-size: 22px; letter-spacing: -.02em; color: var(--text); }
.logo__dot { color: var(--primary); }
.nav { display: none; gap: 4px; }
.nav a { color: var(--text-2); text-decoration: none; font-weight: 600; font-size: 15px; padding: 10px 12px; border-radius: var(--r-sm); }
.nav a:hover { color: var(--text); background: var(--surface); }
.hdr__tools { display: flex; align-items: center; gap: 8px; }
.hdr__cta { display: none; }
.lang { display: inline-flex; border: 1.5px solid var(--border); border-radius: 999px; padding: 3px; background: var(--surface); }
.lang__btn { min-width: 40px; height: 36px; border: 0; background: transparent; color: var(--text-2); border-radius: 999px; font-weight: 600; font-size: 14px; cursor: pointer; padding: 0 10px; }
.lang__btn[aria-pressed="true"] { background: var(--primary); color: var(--on-primary); }

@media (min-width: 900px) {
  .nav { display: flex; }
  .hdr__cta { display: inline-flex; }
}

/* ---------- герой ---------- */
.hero { padding: 32px 0 24px; }
.hero__in { display: grid; gap: 28px; }
.hero__title { font-size: clamp(32px, 7.5vw, 56px); line-height: 1.08; margin-bottom: 16px; }
.hero__lead { font-size: 18px; color: var(--text-2); max-width: 36em; margin-bottom: 24px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__cta .btn { flex: 1 1 200px; }
.hero__note { margin-top: 16px; color: var(--text-3); font-size: 15px; }
.hero__art { margin: 0 -4px; }
.art { width: 100%; height: auto; }
.art__mtn-far { fill: var(--mtn); opacity: .18; }
.art__mtn { fill: var(--mtn); opacity: .32; }
.art__road { fill: var(--road); }
.art__road-edge { stroke: var(--primary); stroke-width: 4; opacity: .6; }
.art__dash { stroke: var(--accent); stroke-width: 5; stroke-linecap: round; }
.art__car { fill: var(--primary); }
.art__glass { fill: #0E1A24; opacity: .85; }
.art__tire { fill: #0E1A24; }
.art__rim { fill: #F5F7F9; }
.art__lamp { fill: var(--accent); }
.art__pin { fill: var(--primary); }
.art__tag { fill: var(--surface); stroke: var(--border); stroke-width: 1.5; }
.art__tag-text { fill: var(--text-2); font: 600 14px var(--font); }
.art__tag-price { fill: var(--text); font: 800 21px var(--font); }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 28px; }
.stats li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 14px 16px; display: flex; flex-direction: column; gap: 2px; }
.stats strong { font-size: 24px; font-weight: 800; line-height: 1.2; color: var(--text); font-variant-numeric: tabular-nums; }
.stats span { font-size: 13px; color: var(--text-2); line-height: 1.3; }

@media (min-width: 760px) {
  .hero { padding: 56px 0 32px; }
  .hero__in { grid-template-columns: 1.1fr 1fr; align-items: center; }
  .hero__cta .btn { flex: 0 1 auto; min-width: 200px; }
  .stats { grid-template-columns: repeat(4, 1fr); margin-top: 40px; }
}

/* ---------- секции ---------- */
.sec { padding: 56px 0; }
.sec--drivers { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
:root[data-theme="dark"] .sec--drivers { background: var(--bg); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .sec--drivers { background: var(--bg); } }
.sec__title { font-size: clamp(28px, 5.5vw, 42px); margin-bottom: 12px; }
.sec__lead { font-size: 18px; color: var(--text-2); max-width: 40em; margin-bottom: 28px; }
.sub { font-size: 24px; margin: 8px 0 16px; }
@media (min-width: 760px) { .sec { padding: 80px 0; } .sub { font-size: 28px; } }

/* карточки оффера */
.cards { display: grid; gap: 12px; margin-bottom: 32px; }
.card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 20px; display: grid; gap: 8px; align-content: start; }
:root[data-theme="dark"] .card { background: var(--surface); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .card { background: var(--surface); } }
.card__ico { width: 44px; height: 44px; border-radius: 12px; background: var(--sky-100); color: var(--link); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 4px; }
.card h3 { font-size: 19px; }
.card p { color: var(--text-2); font-size: 15px; }
@media (min-width: 600px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .cards { grid-template-columns: repeat(3, 1fr); gap: 16px; } }

/* панели */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 20px; }
:root[data-theme="dark"] .panel { background: var(--surface); }
.panel__title { font-size: 22px; margin-bottom: 8px; }
.panel__lead { color: var(--text-2); font-size: 15px; margin-bottom: 16px; }
.split { display: grid; gap: 16px; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; gap: 24px; } .panel { padding: 28px; } }

/* поля */
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field label { font-weight: 600; font-size: 15px; display: flex; justify-content: space-between; gap: 8px; }
.field output { color: var(--link); font-variant-numeric: tabular-nums; }
.field input[type="text"], .field input[type="tel"], .field input[type="number"], .field select, .field textarea {
  width: 100%; min-height: 52px; padding: 12px 14px; border: 1.5px solid var(--border); border-radius: var(--r-md);
  background: var(--bg); color: var(--text); font: inherit; transition: border-color .15s, box-shadow .15s;
}
:root[data-theme="dark"] .field :is(input, select, textarea) { background: var(--surface-2); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .field :is(input, select, textarea) { background: var(--surface-2); } }
.field textarea { resize: vertical; min-height: 88px; }
.field :is(input, select, textarea):focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 30%, transparent); }
.field.is-invalid :is(input, select, textarea) { border-color: var(--danger); }
.field__err { color: var(--danger); font-size: 14px; font-weight: 600; }
.field select { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-2) 50%), linear-gradient(135deg, var(--text-2) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
input[type="range"] { width: 100%; height: 44px; margin: 0; accent-color: var(--primary); cursor: pointer; }

/* калькулятор */
.calc__out { display: grid; gap: 8px; margin: 8px 0 14px; }
.calc__out > div { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.calc__out dt { color: var(--text-2); font-size: 15px; }
.calc__out dd { font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.calc__net { border-bottom: 0 !important; }
.calc__net dt { color: var(--text); font-weight: 600; }
.calc__net dd { color: var(--success); font-size: 24px; font-weight: 800; }
:root[data-theme="dark"] .calc__net dd { color: #4FCB8A; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .calc__net dd { color: #4FCB8A; } }

/* требования */
.checks { display: grid; gap: 12px; margin-bottom: 14px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; }
.checks .ico { color: var(--success); width: 22px; height: 22px; margin-top: 2px; }
.req .hint { margin-bottom: 16px; }
.req .btn { width: 100%; }

/* форма */
.panel--form { margin-top: 24px; }
.form__grid { display: grid; gap: 4px; }
.field--wide { grid-column: 1 / -1; }
.form__actions { display: grid; gap: 12px; margin-top: 6px; }
.form__actions .btn { width: 100%; }
.form__status { margin-top: 14px; }
.form__status:empty { display: none; }
.notice { border-radius: var(--r-lg); padding: 16px; display: grid; gap: 8px; border: 1px solid var(--border); }
.notice h4 { font-size: 18px; }
.notice p { font-size: 15px; color: var(--text-2); }
.notice--ok { background: var(--sky-100); border-color: transparent; }
.notice--err { background: color-mix(in srgb, var(--danger) 10%, var(--surface)); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.notice--info { background: var(--bg); }
.notice .btn { justify-self: start; margin-top: 4px; }
.btn--wa { background: #1E9E5A; color: #fff; }
.btn--wa:hover { background: #178A4D; }
@media (min-width: 640px) {
  .form__grid { grid-template-columns: 1fr 1fr; column-gap: 16px; }
  .form__actions { grid-template-columns: auto 1fr; align-items: center; gap: 16px; }
  .form__actions .btn { width: auto; min-width: 240px; }
}

/* шаги */
.steps { display: grid; gap: 12px; margin-bottom: 40px; counter-reset: s; }
.step { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 20px; display: grid; gap: 6px; }
.step__n { width: 36px; height: 36px; border-radius: 999px; background: var(--primary); color: var(--on-primary); font-weight: 800; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 6px; }
.step h4 { font-size: 18px; }
.step p { color: var(--text-2); font-size: 15px; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 16px; } }

/* тарифы */
.tariffs { margin-bottom: 40px; }
.tariffs__head { display: grid; gap: 4px; margin-bottom: 16px; }
.tariffs__note { color: var(--text-2); font-size: 15px; }
.tariffs__grid { display: grid; gap: 12px; }
.tariff { background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--r-xl); padding: 20px; }
.tariff--comfort { border-color: var(--primary); }
.tariff__name { font-size: 22px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.tariff__rows > div { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid var(--border); font-size: 16px; }
.tariff__rows dt { color: var(--text-2); }
.tariff__rows dd { font-weight: 600; font-variant-numeric: tabular-nums; }
.tariff__wait { margin-top: 12px; font-size: 13px; color: var(--text-2); }
.est__out { display: grid; gap: 6px; margin: 4px 0 10px; }
.est__out > div { display: flex; justify-content: space-between; align-items: baseline; padding: 8px 0; border-bottom: 1px solid var(--border); }
.est__out dt { color: var(--text-2); }
.est__out dd { font-size: 22px; font-weight: 800; font-variant-numeric: tabular-nums; }
@media (min-width: 760px) { .tariffs__grid { grid-template-columns: 1fr 1fr; } .est { grid-column: 1 / -1; } }
@media (min-width: 1000px) { .tariffs__grid { grid-template-columns: 1fr 1fr 1.2fr; } .est { grid-column: auto; } }

/* где работаем */
.where { margin-bottom: 40px; }
.where__groups { display: grid; gap: 16px; }
.where__label { font-size: 13px; font-weight: 600; color: var(--text-2); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; min-height: 40px; padding: 6px 14px 6px 10px; border-radius: 999px; border: 1.5px solid var(--border); background: var(--surface); font-weight: 600; font-size: 15px; color: var(--text-2); }
.chip .ico { width: 18px; height: 18px; }
.chip--on { background: var(--sky-100); border-color: transparent; color: var(--text); }
.chip--on .ico { color: var(--link); }
@media (min-width: 760px) { .where__groups { grid-template-columns: 2fr 1fr; gap: 24px; } }

/* скачать */
.dl__btns { display: grid; gap: 10px; margin-bottom: 12px; }
.dl__btns .btn { width: 100%; }
.split--dl { align-items: start; }
.split--dl .panel--form { margin-top: 0; }

/* FAQ */
.faq { display: grid; gap: 8px; }
.qa { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 0 18px; }
.qa summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 56px; padding: 14px 0; font-weight: 600; font-size: 17px; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary .ico { color: var(--text-2); transition: transform .2s; }
.qa[open] summary .ico { transform: rotate(180deg); }
.qa p { padding: 0 0 16px; color: var(--text-2); font-size: 16px; }

/* футер */
.ftr { border-top: 1px solid var(--border); padding: 32px 0 96px; background: var(--surface); }
.ftr__in { display: grid; gap: 24px; }
.ftr__label { font-size: 13px; font-weight: 600; color: var(--text-2); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.ftr__link { display: inline-flex; align-items: center; gap: 8px; color: var(--text); text-decoration: none; font-weight: 600; min-height: 44px; margin-right: 20px; }
.ftr__link .ico { width: 20px; height: 20px; color: var(--link); }
.ftr__links { display: flex; flex-wrap: wrap; gap: 4px 20px; }
.ftr__links a { color: var(--text-2); text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.ftr__links a:hover { color: var(--text); text-decoration: underline; }
.ftr__copy { font-size: 13px; color: var(--text-3); }
@media (min-width: 760px) {
  .ftr { padding-bottom: 40px; }
  .ftr__in { grid-template-columns: 1fr 1fr 1fr; }
  .ftr__copy { grid-column: 1 / -1; }
}

/* липкая панель на мобильных */
.sticky { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; display: flex; gap: 10px; padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom)); background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-top: 1px solid var(--border); transform: translateY(0); transition: transform .25s; }
.sticky .btn--primary { flex: 1; min-height: 52px; }
.sticky[hidden] { display: none !important; }
@media (min-width: 760px) { .sticky { display: none !important; } }