/* Projektování zdarma – rozcestník aplikací pro projektanty */
:root {
  --bg: #f6f8fc;
  --bg-alt: #eef2f9;
  --surface: #ffffff;
  --text: #0f1b33;
  --muted: #55627a;
  --line: #dde3ef;
  --brand: #2f5bff;
  --brand-2: #8a3ffc;
  --hero-1: #0b1530;
  --hero-2: #132a63;
  --shadow: 0 1px 2px rgba(15, 27, 51, .06), 0 8px 24px rgba(15, 27, 51, .06);
  --shadow-hi: 0 2px 4px rgba(15, 27, 51, .08), 0 18px 40px rgba(15, 27, 51, .12);
  --c-amber: #e08a00;
  --c-cyan: #0896b8;
  --c-violet: #7c4dff;
  --c-green: #13a05f;
  --c-rose: #e0365e;
  --c: var(--brand);
  --r: 18px;
  --wrap: 1180px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a1022;
    --bg-alt: #0e162d;
    --surface: #121c36;
    --text: #e8edf8;
    --muted: #9aa6bf;
    --line: #22304f;
    --brand: #6d8cff;
    --brand-2: #b18cff;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    --shadow-hi: 0 2px 4px rgba(0, 0, 0, .35), 0 18px 40px rgba(0, 0, 0, .4);
    --c-amber: #ffb23f;
    --c-cyan: #3fd0f0;
    --c-violet: #a98bff;
    --c-green: #3ad48a;
    --c-rose: #ff6f8e;
  }
}
[data-tone="amber"] { --c: var(--c-amber); }
[data-tone="cyan"] { --c: var(--c-cyan); }
[data-tone="violet"] { --c: var(--c-violet); }
[data-tone="green"] { --c: var(--c-green); }
[data-tone="rose"] { --c: var(--c-rose); }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 76px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0; }
p { margin: 0; }
a { color: var(--brand); }
svg { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.sprite { display: none; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.wrap--narrow { max-width: 820px; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--surface); padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; border-radius: 6px; }

/* Záhlaví */
.top {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--hero-1) 82%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.top__in { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-size: 19px; letter-spacing: -.01em; }
.brand__logo { width: 30px; height: 30px; color: #7ea0ff; stroke: none; }
.brand__logo use { stroke: currentColor; }
.brand__txt b { font-weight: 800; background: linear-gradient(90deg, #7ea0ff, #c59bff); -webkit-background-clip: text; background-clip: text; color: transparent; margin-left: 2px; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav a { color: #c9d4ee; text-decoration: none; font-size: 15px; font-weight: 500; padding: 8px 12px; border-radius: 10px; transition: background .2s, color .2s; }
.nav a:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.nav .nav__cta { color: #fff; background: linear-gradient(135deg, #2f5bff, #8a3ffc); margin-left: 6px; }
.nav .nav__cta:hover { background: linear-gradient(135deg, #4470ff, #9b55ff); }
.navbtn { display: none; background: none; border: 0; color: #fff; padding: 8px; border-radius: 10px; cursor: pointer; }
.navbtn svg { width: 26px; height: 26px; }

/* Úvod */
.hero { position: relative; color: #fff; background: linear-gradient(160deg, var(--hero-1) 0%, var(--hero-2) 60%, #1d1a5c 100%); overflow: hidden; }
.hero__bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 380px at 85% 10%, rgba(138, 63, 252, .45), transparent 70%),
    radial-gradient(520px 340px at 5% 90%, rgba(47, 91, 255, .45), transparent 70%),
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px) 0 0 / 44px 44px;
  -webkit-mask-image: linear-gradient(#000 60%, transparent);
  mask-image: linear-gradient(#000 60%, transparent);
}
.hero__in { position: relative; padding: 84px 20px 72px; text-align: center; }
.pill { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; color: #dfe6ff; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16); padding: 7px 16px; border-radius: 999px; }
.pill__dot { width: 8px; height: 8px; border-radius: 50%; background: #3ad48a; box-shadow: 0 0 0 4px rgba(58, 212, 138, .25); }
.hero h1 { font-size: clamp(34px, 5.6vw, 62px); font-weight: 800; margin: 26px auto 22px; max-width: 980px; }
.grad { background: linear-gradient(90deg, #7ea0ff, #c59bff 55%, #ff9ac0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(17px, 1.9vw, 20px); color: #c9d4ee; max-width: 860px; margin: 0 auto; }
.lead strong { color: #fff; font-weight: 600; }
.hero__cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 34px 0 30px; }

.btn { display: inline-flex; align-items: center; gap: 10px; font-weight: 650; font-size: 16px; text-decoration: none; padding: 14px 24px; border-radius: 14px; transition: transform .2s, box-shadow .2s, background .2s; }
.btn svg { width: 18px; height: 18px; transition: transform .2s; }
.btn:hover svg { transform: translateX(3px); }
.btn--primary { color: #fff; background: linear-gradient(135deg, #2f5bff, #8a3ffc); box-shadow: 0 10px 30px rgba(73, 80, 255, .4); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(73, 80, 255, .5); }
.btn--ghost { color: #fff; border: 1px solid rgba(255, 255, 255, .25); background: rgba(255, 255, 255, .04); }
.btn--ghost:hover { background: rgba(255, 255, 255, .1); }
.btn--light { color: #1a2a6b; background: #fff; }
.btn--light:hover { transform: translateY(-2px); }

.chips { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; padding: 0; margin: 0 0 46px; }
.chips a { display: inline-flex; align-items: center; gap: 8px; color: #fff; text-decoration: none; font-size: 15px; font-weight: 550; padding: 9px 16px; border-radius: 999px; background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14); transition: background .2s, border-color .2s; }
.chips a svg { color: var(--c); width: 18px; height: 18px; }
.chips a:hover { background: rgba(255, 255, 255, .14); border-color: var(--c); }
.hero [data-tone="amber"] { --c: #ffb23f; }
.hero [data-tone="cyan"] { --c: #3fd0f0; }
.hero [data-tone="violet"] { --c: #b79bff; }
.hero [data-tone="green"] { --c: #3ad48a; }
.hero [data-tone="rose"] { --c: #ff7c99; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; max-width: 920px; margin: 0 auto; }
.stats div { background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); border-radius: 16px; padding: 18px 12px; }
.stats dt { font-size: 30px; font-weight: 800; letter-spacing: -.02em; }
.stats dd { margin: 4px 0 0; font-size: 14px; color: #b7c3e2; }

/* Sekce */
.section { padding: 92px 0; }
.section--alt { background: var(--bg-alt); }
.eyebrow { color: var(--brand); font-weight: 700; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; text-align: center; }
.section h2, .cta h2 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; text-align: center; margin: 12px 0 14px; }
.sub { color: var(--muted); text-align: center; max-width: 720px; margin: 0 auto 48px; font-size: 18px; }

.benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.benefit { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 28px; box-shadow: var(--shadow); transition: transform .25s, box-shadow .25s; }
.benefit:hover { transform: translateY(-4px); box-shadow: var(--shadow-hi); }
.benefit h3 { font-size: 20px; margin: 18px 0 8px; }
.benefit p { color: var(--muted); font-size: 16px; }
.ico { display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-2)); box-shadow: 0 8px 20px color-mix(in srgb, var(--brand) 35%, transparent); }
.ico svg { width: 26px; height: 26px; }

/* Karty aplikací */
.apps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 22px; }
.app { grid-column: span 2; position: relative; display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 30px; box-shadow: var(--shadow); overflow: hidden; transition: transform .25s, box-shadow .25s, border-color .25s; }
.app:nth-child(4), .app:nth-child(5) { grid-column: span 3; }
.app::before { content: ""; position: absolute; inset: 0 0 auto; height: 5px; background: linear-gradient(90deg, var(--c), color-mix(in srgb, var(--c) 40%, transparent)); }
.app::after { content: ""; position: absolute; width: 260px; height: 260px; right: -110px; top: -110px; border-radius: 50%; background: radial-gradient(color-mix(in srgb, var(--c) 18%, transparent), transparent 70%); pointer-events: none; }
.app:hover { transform: translateY(-5px); box-shadow: var(--shadow-hi); border-color: color-mix(in srgb, var(--c) 45%, var(--line)); }
.app__head { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.app__ico { display: inline-grid; place-items: center; width: 58px; height: 58px; border-radius: 16px; flex: none; color: var(--c); background: color-mix(in srgb, var(--c) 14%, transparent); border: 1px solid color-mix(in srgb, var(--c) 30%, transparent); }
.app__ico svg { width: 30px; height: 30px; }
.app h3 { font-size: 20px; }
.app__dom { color: var(--c); font-weight: 650; font-size: 15px; margin-top: 4px; }
.app__lead { color: var(--muted); font-size: 16px; margin-bottom: 18px; }
.app__lead strong { color: var(--text); font-weight: 600; }
.feat { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 9px; }
.feat li { position: relative; padding-left: 29px; font-size: 15.5px; line-height: 1.45; }
.feat svg { position: absolute; left: 0; top: 2px; color: var(--c); width: 19px; height: 19px; stroke-width: 2.6; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin: auto 0 22px; padding-top: 4px; }
.tags span { font-size: 13px; font-weight: 600; color: var(--muted); background: var(--bg-alt); border: 1px solid var(--line); padding: 4px 10px; border-radius: 8px; }
.btn--app { justify-content: center; color: #fff; background: var(--c); box-shadow: 0 8px 22px color-mix(in srgb, var(--c) 35%, transparent); }
.btn--app:hover { transform: translateY(-2px); filter: brightness(1.06); }
@media (prefers-color-scheme: dark) { .btn--app { color: #0a1022; } }

/* Postup */
.flow { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; counter-reset: f; }
.flow li { position: relative; }
.flow li:not(:last-child)::after { content: ""; position: absolute; top: 50%; right: -12px; width: 10px; height: 10px; border-top: 2.5px solid var(--line); border-right: 2.5px solid var(--line); transform: translateY(-50%) rotate(45deg); }
.flow a, .flow span:not(.flow__n) { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 6px; height: 100%; padding: 26px 12px 20px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--line); color: var(--text); text-decoration: none; box-shadow: var(--shadow); transition: transform .25s, border-color .25s; }
.flow a:hover { transform: translateY(-4px); border-color: var(--c); }
.flow svg { width: 34px; height: 34px; color: var(--c); margin-bottom: 4px; }
.flow b { font-size: 16px; }
.flow small { color: var(--muted); font-size: 13.5px; line-height: 1.35; }
.flow__n { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: 13px; font-weight: 800; color: #fff; background: var(--c); }
.flow__end span { background: linear-gradient(135deg, var(--brand), var(--brand-2)) !important; color: #fff !important; border: 0 !important; }
.flow__end svg, .flow__end small { color: #fff !important; }
.flow__end small { opacity: .85; }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 0 22px; box-shadow: var(--shadow); }
.faq summary { cursor: pointer; list-style: none; font-weight: 650; font-size: 17px; padding: 18px 30px 18px 0; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 4px; top: 50%; width: 9px; height: 9px; border-right: 2.5px solid var(--brand); border-bottom: 2.5px solid var(--brand); transform: translateY(-70%) rotate(45deg); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq details p { color: var(--muted); padding: 0 0 20px; }

/* Výzva */
.cta { background: linear-gradient(135deg, #2f5bff, #8a3ffc 70%, #c2378f); color: #fff; }
.cta__in { padding: 80px 20px; text-align: center; }
.cta p { color: #e6e9ff; font-size: 19px; margin: 0 auto 30px; max-width: 640px; }

/* Patička */
.foot { background: var(--hero-1); color: #9fb0d4; font-size: 15px; }
.foot__in { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 40px; padding-top: 56px; padding-bottom: 36px; }
.foot h2 { color: #fff; font-size: 15px; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 14px; }
.foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.foot a { color: #c9d4ee; text-decoration: none; }
.foot a:hover { color: #fff; text-decoration: underline; }
.brand--foot { margin-bottom: 14px; }
.small { font-size: 14px; }
.foot__copy { border-top: 1px solid rgba(255, 255, 255, .08); padding-top: 18px !important; padding-bottom: 26px !important; font-size: 14px; }

/* Animace při posunu (jen se zapnutým JS) */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-in { opacity: 1; transform: none; }

/* Responzivita */
@media (max-width: 1040px) {
  .apps { grid-template-columns: repeat(2, 1fr); }
  .app, .app:nth-child(4), .app:nth-child(5) { grid-column: auto; }
  .app:nth-child(5) { grid-column: 1 / -1; }
  .flow { grid-template-columns: repeat(3, 1fr); row-gap: 26px; }
  .flow li:nth-child(3)::after { display: none; }
}
@media (max-width: 860px) {
  .navbtn { display: inline-flex; }
  .nav { position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 2px; padding: 10px 16px 16px; background: var(--hero-1); border-bottom: 1px solid rgba(255, 255, 255, .1); display: none; }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 14px; }
  .nav .nav__cta { margin: 6px 0 0; text-align: center; }
  .benefits { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .foot__in { grid-template-columns: 1fr 1fr; }
  .foot__in > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .hero__in { padding: 56px 16px 52px; }
  .section { padding: 64px 0; }
  .benefits, .apps { grid-template-columns: 1fr; }
  .app:nth-child(5) { grid-column: auto; }
  .app { padding: 24px 20px; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow li::after { display: none; }
  .btn { width: 100%; justify-content: center; }
  .hero__cta { flex-direction: column; }
  .foot__in { grid-template-columns: 1fr; gap: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}
@media print {
  .top, .hero__bg, .cta, .chips { display: none; }
  .hero { background: none; color: #000; }
}