:root {
  --ink: #171c1a; --muted: #5f6a66; --line: #e3e6e4; --bg: #f2f3f1; --card: #ffffff;
  --dark: #121517; --dark-2: #1b1f21; --dark-line: #2a3033; --dark-text: #e6ebe8; --dark-muted: #9aa39f;
  --accent: #0e9f6e; --accent-2: #34d399; --accent-dark: #0b7a56; --tint: #e6f6ef;
  --radius: 16px; --shadow: 0 1px 3px rgba(17,24,22,.06), 0 18px 40px rgba(17,24,22,.10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Manrope, system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.wrap { width: min(1180px, 100% - 32px); margin: 0 auto; }
.wrap.narrow { width: min(820px, 100% - 32px); }
.center { text-align: center; }
h1, h2, h3 { letter-spacing: -0.02em; margin: 0; }
h2 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.12; font-weight: 800; }
h3 { font-size: 18px; font-weight: 700; }
p { line-height: 1.6; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin: 0 0 14px; }
.eyebrow span { width: 26px; height: 2px; background: currentColor; display: inline-block; }
.eyebrow.center { display: flex; justify-content: center; }
.sub { color: var(--muted); margin: 10px 0 0; }

/* Tlačítka */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; border-radius: 12px; border: 1px solid transparent; font: inherit; font-weight: 700; font-size: 15px; padding: 12px 18px; cursor: pointer; text-decoration: none; transition: background .15s, border-color .15s, transform .15s; }
.btn:focus-visible, .choice:focus-visible, .tabs button:focus-visible, summary:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 2px; }
.btn.small { padding: 9px 14px; font-size: 14px; }
.btn.big { padding: 16px 22px; font-size: 16px; }
.btn.full { width: 100%; }
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-dark); }
.btn.outline { border-color: #3a4245; color: var(--dark-text); background: transparent; }
.btn.outline:hover { border-color: var(--accent-2); }
.btn.ghost { color: var(--dark-text); background: transparent; border-color: var(--dark-line); }
.btn[disabled] { opacity: .6; cursor: progress; }

/* Hlavička */
.top { position: sticky; top: 0; z-index: 10; background: rgba(18,21,23,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--dark-line); }
.top-inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 24px; text-decoration: none; }
.logo-mark { width: 36px; height: 36px; border-radius: 10px; background: var(--accent); display: grid; place-items: center; }
.nav { display: flex; gap: 22px; margin-left: 12px; }
.nav a { color: var(--dark-muted); text-decoration: none; font-weight: 600; font-size: 15px; }
.nav a:hover { color: #fff; }
.top-cta { margin-left: auto; display: flex; gap: 10px; }

/* Úvod */
.hero { background: radial-gradient(1200px 500px at 85% -10%, rgba(52,211,153,.16), transparent 60%), var(--dark); color: var(--dark-text); padding: 72px 0 84px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(38px, 5.4vw, 66px); line-height: 1.02; font-weight: 800; color: #fff; }
.hero h1 em { font-style: normal; color: var(--accent-2); font-size: .56em; line-height: 1.2; display: inline-block; margin-top: 10px; }
.hero .eyebrow { color: var(--accent-2); }
.lead { font-size: 19px; color: var(--dark-muted); margin: 22px 0 30px; max-width: 34em; }
.lead.small { font-size: 17px; color: var(--muted); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.ticks { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--dark-muted); font-size: 14px; }
.ticks li::before { content: "✓"; color: var(--accent-2); font-weight: 800; margin-right: 8px; }
.ticks.dark { color: var(--muted); flex-direction: column; }
.ticks.dark li::before { color: var(--accent); }
.demo-status { margin: 18px 0 0; color: var(--accent-2); font-weight: 600; }
.demo-status.error { color: #ff8a80; }
.hero-shot, .shot-frame { margin: 0; border-radius: 14px; overflow: hidden; background: #fff; box-shadow: 0 30px 80px rgba(0,0,0,.45); border: 1px solid #2c3336; }
.browser { display: flex; align-items: center; gap: 7px; padding: 10px 14px; background: #20262a; color: #8e9794; font-size: 12px; }
.browser span { width: 10px; height: 10px; border-radius: 50%; background: #3b4347; }
.browser b { font-weight: 500; margin-left: 10px; }

/* Volba dema */
.demo-choice { padding: 64px 0 24px; }
.choice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 30px; }
.choice { text-align: left; font: inherit; color: inherit; text-decoration: none; display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; cursor: pointer; box-shadow: var(--shadow); transition: transform .15s, border-color .15s; }
.choice:hover { transform: translateY(-2px); border-color: var(--accent); }
.choice-icon { grid-row: span 2; width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; background: var(--tint); color: var(--accent-dark); }
.choice-body { display: grid; gap: 6px; }
.choice-body strong { font-size: 18px; }
.choice-body span { color: var(--muted); line-height: 1.5; font-size: 15px; }
.choice-meta { grid-column: 2; font-size: 12px; font-weight: 700; color: var(--accent-dark); text-transform: uppercase; letter-spacing: .08em; }

/* Funkce */
.features, .gallery, .steps, .faq { padding: 80px 0; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 40px; }
.feature-grid article { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.feature-grid article h3::before { content: ""; display: block; width: 28px; height: 4px; border-radius: 2px; background: var(--accent); margin-bottom: 14px; }
.feature-grid p { color: var(--muted); margin: 10px 0 0; font-size: 15px; }

/* Odlišení */
.unique { padding: 80px 0; }
.unique-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: center; }
.unique .shot-frame { margin: 0; box-shadow: var(--shadow); border-color: var(--line); }
@media (max-width: 980px) { .unique-grid { grid-template-columns: 1fr; } }

/* Galerie */
.gallery { background: var(--dark); color: var(--dark-text); }
.gallery h2 { color: #fff; }
.gallery .sub { color: var(--dark-muted); }
.gallery .eyebrow { color: var(--accent-2); }
.tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 30px 0 20px; }
.tabs button { font: inherit; font-weight: 700; font-size: 14px; color: var(--dark-muted); background: var(--dark-2); border: 1px solid var(--dark-line); border-radius: 999px; padding: 9px 16px; cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.shot-frame { max-width: 1100px; margin: 0 auto 28px; }
.shot-frame figcaption { background: #1b1f21; color: var(--dark-muted); padding: 14px 18px; font-size: 15px; }

/* Kroky */
.step-grid { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step-grid li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.step-grid b { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--accent); color: #fff; font-size: 18px; margin-bottom: 14px; }
.step-grid p { color: var(--muted); margin: 8px 0 0; }

/* Registrace */
.signup { padding: 80px 0; background: linear-gradient(180deg, var(--tint), var(--bg)); }
.signup-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); display: grid; gap: 16px; }
.card label { display: grid; gap: 6px; font-weight: 700; font-size: 14px; }
.card input:not([type=checkbox]) { font: inherit; font-weight: 500; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; background: #fff; color: var(--ink); width: 100%; }
.card input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--tint); }
.card input[aria-invalid="true"] { border-color: #c0392b; }
.card small { color: var(--muted); font-weight: 500; }
.card .check { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; color: var(--muted); }
.slug { display: flex; align-items: center; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; }
.slug:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--tint); }
.slug > span { padding: 0 10px; color: var(--muted); font-weight: 600; font-size: 14px; white-space: nowrap; }
.slug .slug-suffix { padding-left: 0; overflow: hidden; text-overflow: ellipsis; }
.card .slug input { border: 0; border-radius: 0; padding-right: 0; min-width: 80px; box-shadow: none; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; }
.form-status { margin: 0; font-weight: 600; }
.form-status.ok { color: var(--accent-dark); }
.form-status.error { color: #c0392b; }

/* Ceník */
.pricing { padding: 80px 0; }
.price-card { margin: 30px auto 0; max-width: 560px; background: var(--card); border: 2px solid var(--accent); border-radius: 20px; padding: 32px; box-shadow: var(--shadow); text-align: left; }
.price { margin: 0; font-size: 18px; color: var(--muted); text-align: center; }
.price strong { font-size: 48px; color: var(--ink); letter-spacing: -0.02em; }
.price-note { text-align: center; margin: 6px 0 20px; color: var(--muted); }
.center-cta { justify-content: center; margin-top: 24px; }
.btn.outline-dark { border-color: var(--line); color: var(--ink); background: #fff; }
.btn.outline-dark:hover { border-color: var(--accent); }
.slug-check { font-weight: 600; }
.slug-check.ok { color: var(--accent-dark); }
.slug-check.bad { color: #c0392b; }

/* Otázky */
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; margin-top: 12px; }
.faq summary { cursor: pointer; font-weight: 700; font-size: 17px; }
.faq details p { color: var(--muted); margin: 10px 0 0; }
.faq h2 { margin-bottom: 20px; }

.foot { background: var(--dark); color: var(--dark-muted); font-size: 14px; }
.foot-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding: 28px 0; }

@media (max-width: 980px) {
  .hero-grid, .signup-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .choice-grid, .step-grid { grid-template-columns: 1fr; }
  .nav { display: none; }
  .hero { padding-top: 48px; }
}
@media (max-width: 560px) {
  .feature-grid { grid-template-columns: 1fr; }
  .top-cta .btn.ghost { display: none; }
  .hero-cta .btn { width: 100%; }
  .slug-suffix { display: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .choice, .btn { transition: none; } }