/* AutoOne.cz — holding page */

/* ---------- font ---------- */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/fonts/inter-latin-ext-wght-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
                 U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF,
                 U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/fonts/inter-latin-wght-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
                 U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122,
                 U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Saira";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/fonts/saira-latin-ext-wght-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
                 U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF,
                 U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Saira";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/fonts/saira-latin-wght-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
                 U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122,
                 U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- tokens ---------- */

:root {
  --bg: #0a0b0d;
  --fg: #f2f3f5;
  --muted: #9aa0a9;
  --faint: #7b818b;
  --hairline: rgba(255, 255, 255, .10);
  --surface: rgba(255, 255, 255, .02);
  --surface-hover: rgba(255, 255, 255, .06);
  --hairline-strong: rgba(255, 255, 255, .26);
  --solid-bg: #f2f3f5;
  --solid-fg: #0a0b0d;
  --solid-shadow: 0 10px 30px -18px rgba(255, 255, 255, .55);
  --solid-shadow-hover: 0 18px 36px -18px rgba(255, 255, 255, .6);
  --grain-opacity: .13;
  --grain-blend: soft-light;
  --atmo:
    radial-gradient(58rem 30rem at 50% -8rem, rgba(239, 0, 2, .26), transparent 60%),
    radial-gradient(34rem 22rem at 50% 4rem, rgba(255, 255, 255, .07), transparent 62%),
    radial-gradient(46rem 32rem at 6% 106%, rgba(96, 124, 186, .12), transparent 66%),
    radial-gradient(40rem 26rem at 96% 96%, rgba(239, 0, 2, .07), transparent 68%);
  --red: #ef0002;
  --font-text: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI",
               Roboto, Arial, sans-serif;
  --font-display: "Saira", "Inter", ui-sans-serif, system-ui, -apple-system,
                  "Segoe UI", Roboto, Arial, sans-serif;
  /* Industry Ultra Italic (Adobe Fonts, kit fnm4tyd) – jen hlavní nadpis */
  --font-hero: "industry", "Saira", "Inter", ui-sans-serif, system-ui,
               -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* Světlá varianta.
   Náhled: /?theme=light  |  Natrvalo: <html lang="cs" data-theme="light">
   (pak ještě prohodit meta theme-color, preload loga a OG obrázek) */
:root[data-theme="light"] {
  --bg: #f5f6f8;
  --fg: #101216;
  --muted: #5b6069;
  --faint: #7c828b;
  --hairline: rgba(16, 18, 22, .12);
  --hairline-strong: rgba(16, 18, 22, .3);
  --surface: rgba(255, 255, 255, .6);
  --surface-hover: #ffffff;
  --solid-bg: #101216;
  --solid-fg: #f5f6f8;
  --solid-shadow: 0 12px 30px -16px rgba(16, 18, 22, .5);
  --solid-shadow-hover: 0 20px 38px -16px rgba(16, 18, 22, .55);
  --grain-opacity: .07;
  --grain-blend: multiply;
  --atmo:
    radial-gradient(56rem 26rem at 50% -8rem, rgba(239, 0, 2, .17), transparent 64%),
    radial-gradient(30rem 16rem at 50% 1rem, rgba(255, 255, 255, .9), transparent 70%),
    radial-gradient(52rem 34rem at 6% 108%, rgba(58, 78, 122, .13), transparent 68%),
    radial-gradient(44rem 28rem at 98% 100%, rgba(16, 18, 22, .10), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, .55), transparent 34%);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  color-scheme: dark;
}

html[data-theme="light"] { color-scheme: light; }

body {
  margin: 0;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-text);
  color: var(--fg);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* atmosféra — pevná vrstva, aby se na mobilu nic nepřekreslovalo */
.atmo {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: var(--atmo);
}

/* jemné zrno pro hloubku */
.grain {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: var(--grain-opacity);
  mix-blend-mode: var(--grain-blend);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- layout ---------- */

.shell {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(3rem, 9vh, 6rem) 1.25rem 2rem;
}

.stack {
  width: 100%;
  max-width: 44rem;
  text-align: center;
}

/* ---------- logo ---------- */

.logo {
  display: block;
  width: min(70vw, 396px);
  height: auto;
  margin: 0 auto clamp(2.5rem, 7vw, 3.75rem);
}

.logo--light { display: none; }

:root[data-theme="light"] .logo--dark { display: none; }
:root[data-theme="light"] .logo--light { display: block; }

/* ---------- typografie ---------- */

.eyebrow {
  font-family: var(--font-display);
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin: 0 0 1.35rem;
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--muted);
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(239, 0, 2, .16);
}

h1 {
  margin: 0 0 1.5rem;
  font-family: var(--font-hero);
  font-size: clamp(2.1rem, 6.8vw, 3.7rem);
  font-style: italic;
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: .005em;
  text-transform: uppercase;
  text-wrap: balance;
}

.lead {
  margin: 0 auto;
  max-width: 34rem;
  font-size: clamp(1rem, 2.1vw, 1.125rem);
  font-weight: 400;
  line-height: 1.7;
  color: var(--muted);
  text-wrap: pretty;
}

/* ---------- akce ---------- */

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .75rem;
  margin-top: clamp(2.25rem, 6vw, 3rem);
}

.btn {
  font-family: var(--font-display);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  min-height: 54px;
  padding: 0 1.55rem;
  border: 1px solid transparent;
  border-radius: 100px;
  font-size: 1rem;
  font-weight: 550;
  letter-spacing: -.005em;
  text-decoration: none;
  white-space: nowrap;
  transition: transform .35s var(--ease), background-color .35s var(--ease),
              border-color .35s var(--ease), color .35s var(--ease),
              box-shadow .35s var(--ease);
}

.btn__icon {
  width: 18px;
  height: 18px;
  flex: none;
  fill: currentColor;
  opacity: .85;
}

.num { font-variant-numeric: tabular-nums; }

.btn--solid {
  background: var(--solid-bg);
  color: var(--solid-fg);
  box-shadow: var(--solid-shadow);
}

.btn--solid:hover {
  transform: translateY(-2px);
  box-shadow: var(--solid-shadow-hover);
}

.btn--ghost {
  border-color: var(--hairline);
  color: var(--fg);
  background: var(--surface);
}

.btn--ghost:hover {
  transform: translateY(-2px);
  border-color: var(--hairline-strong);
  background: var(--surface-hover);
}

.btn:active { transform: translateY(0); }

.btn:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

/* ---------- značky ---------- */

.brands {
  margin-top: clamp(3.25rem, 9vw, 4.75rem);
  padding-top: clamp(2rem, 5vw, 2.75rem);
  border-top: 1px solid var(--hairline);
}

.brands__label {
  font-family: var(--font-display);
  margin: 0 0 clamp(1.5rem, 4vw, 2rem);
  font-size: .625rem;
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--faint);
}

.brands__row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.75rem, 6vw, 3rem);
  color: var(--mark, rgba(255, 255, 255, .72));
}

:root[data-theme="light"] .brands__row { --mark: rgba(16, 18, 22, .78); }

.brands__sep {
  width: 1px;
  height: 30px;
  background: var(--hairline);
}

.mark {
  display: block;
  width: auto;
  fill: currentColor;
}

.mark--skoda { height: clamp(17px, 3.4vw, 22px); }
.mark--vw    { height: clamp(38px, 7.4vw, 48px); }

/* ---------- patička ---------- */

.footer {
  position: relative;
  z-index: 1;
  padding: 1.5rem 1.25rem clamp(1.75rem, 5vh, 2.5rem);
  text-align: center;
  font-size: .75rem;
  letter-spacing: .01em;
  color: var(--faint);
}

.footer p { margin: 0; }

/* ---------- nástup ---------- */

.reveal {
  animation: rise .9s var(--ease) both;
  animation-delay: var(--d, 0ms);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- responzivita ---------- */

@media (max-width: 480px) {
  .actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none; }
  * { transition-duration: .01ms !important; }
}
