/* styles.css
   Sdileny zaklad pro vsechny stranky (index.html, order.html, thank-you.html):
   fonty, barvy, reset, pozadi, tlacitka a formularova pole. CSS specificke
   pro jednu stranku zustava inline v jejim <style> bloku. Tenhle soubor se
   musi linkovat PRED inline <style>, aby ho stranka mohla prepsat. */

/* ---------- Fonty, barvy, reset ---------- */

@font-face {
  font-family: 'Manrope';
  src: url('assets/fonts/manrope-latin-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Manrope';
  src: url('assets/fonts/manrope-latin-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Manrope';
  src: url('assets/fonts/manrope-latin-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Manrope';
  src: url('assets/fonts/manrope-latin-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Manrope';
  src: url('assets/fonts/manrope-latin-800.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('assets/fonts/jetbrains-mono-latin-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('assets/fonts/jetbrains-mono-latin-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('assets/fonts/jetbrains-mono-latin-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-deepest: #1e1f22;
  --bg-base: #313338;
  --bg-elevated: #2b2d31;
  --bg-elevated-2: #383a40;
  --bg-elevated-3: #3f4147;
  --blurple: #5865f2;
  --blurple-hover: #4752c4;
  --brand: #7C3AED;
  --green: #23a55a;
  --gold: #f1c40f;
  --amber: #faa61a;
  --nitro-1: #9c6bff;
  --nitro-2: #ff73fa;
  --text-primary: #f2f3f5;
  --text-secondary: #b5bac1;
  --text-muted: #949ba4;
  --border-subtle: rgba(255,255,255,0.06);
  --border-strong: rgba(255,255,255,0.12);
  --font-sans: 'Manrope', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-deepest);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Ambientni gradient zit tady jako pseudo-element misto
   background-attachment:fixed primo na .content — to je rozbite na
   iOS Safari a nuti prohlizec prekreslovat gradient pri kazdem
   scrollu (jank i na slabsim desktopu). position:fixed na
   samostatnem prvku je levnejsi a funguje vsude stejne. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px circle at 8% 0%, rgba(88,101,242,0.09), transparent 55%),
    radial-gradient(700px circle at 100% 35%, rgba(88,101,242,0.06), transparent 55%),
    radial-gradient(650px circle at 15% 95%, rgba(88,101,242,0.05), transparent 55%),
    var(--bg-base);
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; }
input, select, textarea { font-family: inherit; }

::selection { background: var(--blurple); color: #fff; }

/* ---------- Tlacitka ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  transition: background 0.12s ease, transform 0.08s ease, opacity 0.12s ease;
}

.btn:hover { transform: scale(1.04); }
.btn:active { transform: scale(0.97); }

.btn--primary { background: var(--blurple); color: #fff; }
.btn--primary:hover { background: var(--blurple-hover); }

.btn--secondary { background: var(--bg-elevated-3); color: var(--text-primary); }
.btn--secondary:hover { background: #4a4d55; }

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
  padding: 8px 15px;
}
.btn--ghost:hover { color: var(--text-primary); border-color: var(--text-muted); }

.btn--sm { padding: 6px 12px; font-size: 13px; }

.btn-row { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }

.btn--nitro {
  background: linear-gradient(90deg, var(--nitro-1), var(--nitro-2));
  color: #1e1633;
}
.btn--nitro:hover { filter: brightness(1.08); }

.btn--green {
  background: var(--green);
  color: #fff;
}
.btn--green:hover { background: #1e9550; }

/* ---------- Formularova pole ---------- */

.field { margin-top: 14px; }

.field label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 6px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--bg-deepest);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 14px;
  color: var(--text-primary);
  transition: border-color 0.12s ease;
}

.field input::placeholder,
.field textarea::placeholder { color: var(--text-muted); }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--blurple);
}

.field textarea { resize: vertical; min-height: 80px; }

.field-error {
  color: #f04747;
  font-size: 12px;
  margin-top: 10px;
}

/* ---------- Socialni site (YouTube / Instagram) ---------- */
/* Ikony jsou inline SVG (CSP povoluje jen vlastni soubory). Velikost ikon
   si nastavuje kazde misto samo pres .social-link svg. */

.social-links {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.social-link {
  display: inline-flex;
  color: var(--text-secondary);
  transition: color 0.12s ease;
}

.social-link svg { display: block; width: 18px; height: 18px; }

.social-link--youtube:hover,
.social-link--youtube:focus-visible { color: #ff0000; }

.social-link--instagram:hover,
.social-link--instagram:focus-visible { color: #e4405f; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}