/* Codeven, styl webu
   Podle Codeven Brand Manual v1.0 (duben 2026).
   Jeden soubor, žádný build. Barvy a rozměry jsou v proměnných níže.

   Barevný systém:
     oranžová #F26B0F  primární brand, logo, hlavní CTA
     modrá    #0F6BF2  sekundární akcent, odkazy, obtažená tlačítka
     neutrály          Tailwind Slate
   Font: Google Sans Flex (SIL OFL), self-hostovaný v assets/fonts. */

@font-face {
  font-family: 'Google Sans Flex';
  font-style: normal;
  font-weight: 400 800;
  font-stretch: 100%;
  font-display: swap;
  src: url('/assets/fonts/google-sans-flex-latin-ext.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: 'Google Sans Flex';
  font-style: normal;
  font-weight: 400 800;
  font-stretch: 100%;
  font-display: swap;
  src: url('/assets/fonts/google-sans-flex-latin.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;
}

:root {
  color-scheme: light dark;

  /* brand */
  --brand: #f26b0f;
  --brand-ink: #ffffff;
  --brand-soft: #fff3ea;

  /* sekundární akcent, odkazy */
  --accent: #0f6bf2;
  --accent-soft: #eaf2fe;

  /* neutrály, Tailwind Slate */
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-deep: #0f172a;
  --ink: #0f172a;
  --ink-soft: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-strong: #cbd5e1;

  --wrap: 1120px;
  --gap: 1.5rem;
  --radius: 14px;

  --font: 'Google Sans Flex', -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Helvetica, sans-serif;
  --mono: ui-monospace, SFMono-Regular, 'SF Mono', 'JetBrains Mono', Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #f26b0f;
    --brand-ink: #ffffff;
    --brand-soft: #2a1608;

    --accent: #5b9bff;
    --accent-soft: #0b1e3d;

    --bg: #020617;
    --bg-alt: #0f172a;
    --bg-deep: #1e293b;
    --ink: #e2e8f0;
    --ink-soft: #cbd5e1;
    --muted: #94a3b8;
    --line: #1e293b;
    --line-strong: #334155;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 0.6em; }

h1 { font-size: clamp(2.3rem, 5.5vw, 3.8rem); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); font-weight: 700; letter-spacing: -0.025em; }
h3 { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.015em; }
h4 { font-weight: 700; }

p { margin: 0 0 1.1em; }

/* nadpis, který následuje po textu, potřebuje vzduch nad sebou */
p + h2, ul + h2, table + h2, p + h3, ul + h3, table + h3, .stack + h3, .quote + h3 { margin-top: 2.2rem; }
.card p + h3, .price p + h3 { margin-top: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: 760px; }

section { padding: 5rem 0; }
section.tight { padding: 3.5rem 0; }
.alt { background: var(--bg-alt); }

.lede { font-size: 1.2rem; color: var(--ink-soft); line-height: 1.55; }
.muted { color: var(--muted); }
.small { font-size: 0.93rem; }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 1rem;
}

/* Značka a wordmark
   Layout "text napravo od loga", varianta mix: "code" tmavé, přípona oranžová. */

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  line-height: 1;
}
.brand:hover { text-decoration: none; }
.brand svg { width: 30px; height: 30px; flex: none; }
.wm {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.wm b { font-weight: 800; color: var(--ink); }
.wm i { font-weight: 800; font-style: normal; color: var(--brand); }
/* na tmavém podkladu je celý wordmark světlý s oranžovou příponou */
.on-dark .wm b { color: #ffffff; }

/* Hlavička */

.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-head .wrap {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 70px;
}

.nav { margin-left: auto; display: flex; align-items: center; gap: 1.6rem; }
.nav a { color: var(--ink-soft); font-size: 0.97rem; font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); text-decoration: none; }
.nav a[aria-current="page"] { font-weight: 700; }

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  color: var(--ink);
  padding: 0.4rem 0.7rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

/* Tlačítka
   Primární je oranžové (brand CTA), sekundární obtažené modré (UI akcent). */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.78rem 1.35rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--brand); color: var(--brand-ink); }
.btn-primary:hover { background: #d95d09; }
.btn-ghost { border-color: var(--line-strong); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }

/* Hero */

.hero { padding: 6rem 0 4.5rem; }
.hero h1 { max-width: 20ch; }
.hero .lede { max-width: 58ch; margin-bottom: 2rem; }

.hero-note { margin-top: 1.6rem; font-size: 0.93rem; color: var(--muted); }

/* Pás s čísly */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat { background: var(--bg); padding: 1.5rem 1.4rem; }
.stat .n {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  display: block;
  line-height: 1.1;
}
.stat .l { font-size: 0.88rem; color: var(--muted); margin-top: 0.35rem; display: block; line-height: 1.45; }

/* Karty */

.grid { display: grid; gap: var(--gap); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.7rem;
}
.card h3 { margin-bottom: 0.5rem; }
.card p:last-child { margin-bottom: 0; }
.card .tag {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--brand);
  display: block;
  margin-bottom: 0.7rem;
}

/* Karta projektu s wordmarkem */

.project { display: grid; grid-template-columns: 1fr; gap: 0; }
.project .brand, .project .title { min-height: 34px; display: flex; align-items: center; margin-bottom: 1rem; }
.project .title { font-size: 1.45rem; font-weight: 800; letter-spacing: -0.03em; }
.project .brand svg { width: 34px; height: 34px; }
.project .wm { font-size: 1.5rem; }
.project .role {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 1.1rem;
}

/* Ceník */

.price-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.price {
  background: var(--bg);
  padding: 1.8rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: start;
}
.price h3 { margin-bottom: 0.4rem; }
.price p { margin-bottom: 0; color: var(--ink-soft); }
.price .amount {
  text-align: right;
  white-space: nowrap;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.025em;
}
.price .amount span { display: block; font-size: 0.85rem; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.price.featured { background: var(--brand-soft); }

/* Postup, číslované kroky */

.steps { counter-reset: step; display: grid; gap: 1.5rem; }
.step { display: grid; grid-template-columns: 44px 1fr; gap: 1.1rem; align-items: start; }
.step::before {
  counter-increment: step;
  content: counter(step);
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2px solid var(--brand);
  display: grid; place-items: center;
  font-size: 0.95rem;
  color: var(--brand);
  font-weight: 800;
}
.step h3 { margin-bottom: 0.3rem; }
.step p { margin-bottom: 0; color: var(--ink-soft); }

/* Seznamy */

ul.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.65rem; }
ul.checks li { padding-left: 1.7rem; position: relative; color: var(--ink-soft); }
ul.checks li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.6em;
  width: 9px; height: 9px;
  background: var(--brand);
}

ul.plain { padding-left: 1.2rem; color: var(--ink-soft); }
ul.plain li { margin-bottom: 0.4rem; }

/* Screenshot projektu */

.shot {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 2rem 0;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}
.shot img { display: block; width: 100%; height: auto; }

/* Případovka */

.case-head { border-left: 4px solid var(--brand); padding-left: 1.5rem; margin-bottom: 2.5rem; }
.case-head .eyebrow { display: block; }
.case-head .brand { margin-bottom: 0.6rem; }

.spec-table { width: 100%; border-collapse: collapse; font-size: 0.97rem; }
.spec-table th, .spec-table td { text-align: left; padding: 0.85rem 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th { width: 38%; font-weight: 600; color: var(--muted); font-size: 0.9rem; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }

.quote {
  border-left: 4px solid var(--brand);
  padding-left: 1.4rem;
  font-size: 1.12rem;
  color: var(--ink-soft);
  margin: 2rem 0;
}

.stack { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.stack span {
  font-family: var(--mono);
  font-size: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0.25rem 0.6rem;
  color: var(--muted);
}

/* Výzva k akci */

.cta {
  background: var(--bg-deep);
  color: #e2e8f0;
  border-radius: var(--radius);
  padding: 3.2rem;
  text-align: center;
}
.cta h2 { color: #ffffff; }
.cta p { color: #94a3b8; max-width: 52ch; margin: 0 auto 1.8rem; }
.cta .btn-ghost { border-color: #475569; color: #e2e8f0; }
.cta .btn-ghost:hover { border-color: #ffffff; color: #ffffff; }
.cta .btn-row { justify-content: center; }

/* Kontakt */

.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 3rem; align-items: start; }
.contact-line { display: block; font-size: 1.25rem; font-weight: 700; margin-bottom: 0.3rem; letter-spacing: -0.025em; }

/* Patička */

.site-foot { border-top: 1px solid var(--line); padding: 3rem 0 2.5rem; font-size: 0.93rem; color: var(--muted); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; margin-bottom: 2.5rem; }
.foot-grid h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.11em; color: var(--muted); margin-bottom: 0.9rem; font-weight: 700; }
.foot-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.foot-grid a { color: var(--ink-soft); }
.foot-bottom { border-top: 1px solid var(--line); padding-top: 1.5rem; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; }

/* Zvýrazněný panel */

.ai-note {
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.5rem 1.7rem;
  background: var(--bg);
}
.ai-note p:last-child { margin-bottom: 0; }

/* Cookie lišta
   Zobrazuje se jen s nastaveným GA_ID a bez uložené volby, viz skript v patičce. */

.cookie-bar {
  position: fixed;
  left: 1rem; right: 1rem; bottom: 1rem;
  z-index: 100;
  max-width: 620px;
  margin: 0 auto;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.18);
}
.cookie-bar p { margin: 0 0 0.9rem; font-size: 0.93rem; color: var(--ink-soft); }
.cookie-bar .btn { font-size: 0.9rem; padding: 0.55rem 1rem; }

/* Responzivita */

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 700px) {
  body { font-size: 16px; }
  section { padding: 3.5rem 0; }
  .hero { padding: 3.5rem 0 3rem; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .price { grid-template-columns: 1fr; gap: 0.8rem; }
  .price .amount { text-align: left; }
  .cta { padding: 2.2rem 1.5rem; }
  .spec-table th { width: 42%; }
  .foot-grid { grid-template-columns: 1fr; }

  .nav-toggle { display: block; }
  .nav {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 70px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 1.5rem 1.2rem;
  }
  .nav.open { display: flex; }
  .nav a { padding: 0.7rem 0; border-bottom: 1px solid var(--line); }
  .nav a:last-child { border-bottom: none; }
}

@media (prefers-color-scheme: dark) {
  .cta { border: 1px solid var(--line-strong); }
}

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