/* ==========================================================================
   Uniutěrky.cz – hlavní styly
   Barvy a rozměry upravíte v sekci :root (proměnné níže).
   ========================================================================== */

/* Písmo Plus Jakarta Sans – SIL Open Font License 1.1, viz assets/fonts/OFL.txt */
@font-face {
  font-family: "Jakarta";
  src: url("../fonts/jakarta-latin.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
  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: "Jakarta";
  src: url("../fonts/jakarta-latin-ext.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
  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;
}

:root {
  --ink: #0c2233;
  --text: #3b5060;
  --muted: #6b7f8d;
  --line: #e1e9ef;
  --bg: #ffffff;
  --soft: #f2f7fb;
  --soft-2: #e8f2f9;

  --primary: #0b6fc0;
  --primary-dark: #08599c;
  --primary-light: #e3f0fb;

  --c-blue: #2f8fe0;
  --c-green: #1fb874;
  --c-yellow: #f2c230;
  --c-red: #e5485f;

  --radius: 22px;
  --radius-sm: 14px;
  --shadow-sm: 0 1px 2px rgba(12, 34, 51, .05), 0 4px 14px rgba(12, 34, 51, .06);
  --shadow: 0 2px 4px rgba(12, 34, 51, .04), 0 12px 32px rgba(12, 34, 51, .09);
  --shadow-lg: 0 30px 60px -18px rgba(12, 34, 51, .32);

  --font: "Jakarta", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --header-h: 74px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Základ ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--primary); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--primary-dark); }
h1, h2, h3 { color: var(--ink); line-height: 1.15; margin: 0 0 .6em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.35rem, 5.2vw, 4rem); font-weight: 800; letter-spacing: -.035em; line-height: 1.06; }
h2 { font-size: clamp(1.85rem, 3.5vw, 2.7rem); font-weight: 800; letter-spacing: -.03em; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--c-blue); outline-offset: 3px; border-radius: 6px; }
[hidden] { display: none !important; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ico { width: 1.25em; height: 1.25em; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 32px); }
.container-narrow { max-width: 860px; }

.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 10px; }
.skip-link:focus { top: 12px; color: #fff; }

/* ---------- Tlačítka ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: .8em 1.4em; border-radius: 999px; border: 2px solid transparent;
  font-weight: 700; font-size: 1rem; line-height: 1.2; text-decoration: none; cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background-color .2s, color .2s, border-color .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: linear-gradient(135deg, var(--c-blue), var(--primary)); color: #fff; box-shadow: 0 8px 22px -8px rgba(11, 111, 192, .65); }
.btn-primary:hover { color: #fff; box-shadow: 0 12px 28px -8px rgba(11, 111, 192, .75); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { color: var(--ink); border-color: #c9d8e3; box-shadow: var(--shadow-sm); }
.btn-sm { padding: .6em 1.1em; font-size: .92rem; }
.btn-lg { padding: .95em 1.7em; font-size: 1.04rem; }
.btn-block { width: 100%; }
.btn .ico { width: 1.15em; height: 1.15em; }
.btn[disabled] { opacity: .7; cursor: progress; transform: none; }

/* ---------- Hlavička ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; height: var(--header-h);
  background: rgba(255, 255, 255, .86);
  -webkit-backdrop-filter: saturate(160%) blur(14px); backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, box-shadow .25s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 24px -14px rgba(12, 34, 51, .25); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.logo:hover { color: var(--ink); }
.logo-text { font-weight: 800; font-size: 1.32rem; letter-spacing: -.03em; }
.logo-uni { color: var(--primary); }
.logo-tld { color: var(--muted); font-weight: 600; }
.logo-light { color: #fff; }
.logo-light:hover { color: #fff; }
.logo-light .logo-uni { color: #7cc4ff; }
.logo-light .logo-tld { color: #9fb3c2; }

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav ul { display: flex; gap: 4px; }
.main-nav ul a {
  display: block; padding: 8px 12px; border-radius: 10px;
  color: var(--ink); font-weight: 600; font-size: .96rem; text-decoration: none;
  transition: background-color .2s, color .2s;
}
.main-nav ul a:hover, .main-nav ul a.is-active { background: var(--soft); color: var(--primary); }

.nav-toggle { display: none; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 12px; background: #fff; cursor: pointer; padding: 0; position: relative; }
.nav-toggle span { position: absolute; left: 13px; right: 13px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .25s var(--ease), opacity .2s; }
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 22px; }
.nav-toggle span:nth-child(3) { top: 29px; }
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(40px, 6vw, 80px) 0 clamp(56px, 7vw, 96px);
  background:
    radial-gradient(900px 500px at 85% 20%, rgba(47, 143, 224, .14), transparent 60%),
    radial-gradient(700px 420px at 10% 90%, rgba(31, 184, 116, .10), transparent 60%),
    linear-gradient(180deg, #f7fbfe 0%, #fff 100%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px 7px 10px; margin-bottom: 22px;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  font-size: .9rem; font-weight: 700; color: var(--primary); box-shadow: var(--shadow-sm);
}
.eyebrow .ico { width: 1.1em; height: 1.1em; }
.hl {
  background: linear-gradient(90deg, var(--c-blue), var(--c-green));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { font-size: clamp(1.08rem, 1.6vw, 1.22rem); color: var(--text); max-width: 34em; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.hero-trust li { display: inline-flex; align-items: center; gap: 7px; font-weight: 600; font-size: .95rem; color: var(--ink); }
.hero-trust .ico { width: 20px; height: 20px; padding: 3px; border-radius: 50%; background: var(--c-green); color: #fff; stroke-width: 3; }

.hero-visual { position: relative; height: clamp(380px, 44vw, 540px); }
.hero-blob {
  position: absolute; inset: 6% 4% 2%;
  background: radial-gradient(circle at 50% 55%, #fff 0%, #eaf4fc 45%, rgba(234, 244, 252, 0) 70%);
  border-radius: 50%;
}
.fan { position: absolute; inset: 0; }
.cloth {
  position: absolute; left: 50%; bottom: 6%;
  width: 42%; aspect-ratio: 490 / 717; object-fit: cover;
  margin-left: -21%;
  border-radius: 10px;
  transform-origin: 50% 100%;
  box-shadow: 0 2px 4px rgba(12, 34, 51, .08), 0 22px 40px -14px rgba(12, 34, 51, .4);
  transition: transform .6s var(--ease);
}
.cloth.c1 { transform: rotate(-26deg) translateY(-2%); }
.cloth.c2 { transform: rotate(-9deg) translateY(-6%); }
.cloth.c3 { transform: rotate(9deg) translateY(-6%); }
.cloth.c4 { transform: rotate(26deg) translateY(-2%); }
.hero-visual:hover .c1 { transform: rotate(-30deg) translateY(-4%); }
.hero-visual:hover .c2 { transform: rotate(-11deg) translateY(-9%); }
.hero-visual:hover .c3 { transform: rotate(11deg) translateY(-9%); }
.hero-visual:hover .c4 { transform: rotate(30deg) translateY(-4%); }

.float-badge {
  position: absolute; z-index: 2;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px 12px 12px;
  background: rgba(255, 255, 255, .94);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border: 1px solid rgba(225, 233, 239, .9); border-radius: 18px; box-shadow: var(--shadow);
  line-height: 1.25; animation: float 6s ease-in-out infinite;
}
.float-badge strong { display: block; color: var(--ink); font-size: .98rem; }
.float-badge small { display: block; color: var(--muted); font-size: .8rem; font-weight: 500; }
.fb-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--primary-light); color: var(--primary); }
.fb-icon .ico { width: 22px; height: 22px; }
.fb-green { background: #e2f7ee; color: #12935a; }
.fb-1 { top: 8%; left: -2%; }
.fb-2 { bottom: 10%; right: -2%; animation-delay: -2s; }
.fb-3 { top: 4%; right: 6%; padding: 10px 16px; gap: 8px; animation-delay: -4s; }
.fb-big { font-size: 2rem !important; line-height: 1; color: var(--primary) !important; letter-spacing: -.04em; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ---------- Pro koho ---------- */
.audience { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.audience-list { display: flex; justify-content: space-between; gap: 12px 28px; flex-wrap: wrap; padding: 22px 0; }
.audience-list li { display: inline-flex; align-items: center; gap: 9px; font-weight: 600; color: var(--ink); font-size: .98rem; }
.audience-list .ico { color: var(--primary); width: 22px; height: 22px; }

/* ---------- Sekce ---------- */
.section { padding: clamp(64px, 9vw, 112px) 0; }
.section-soft { background: var(--soft); }
.section-head { max-width: 760px; margin: 0 auto clamp(36px, 5vw, 56px); text-align: center; }
.section-head p:last-child { margin-bottom: 0; font-size: 1.08rem; }
.kicker {
  display: inline-block; margin-bottom: 12px;
  font-size: .82rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--primary);
}

/* ---------- Výhody ---------- */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature {
  padding: 28px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.feature h3 { margin: 18px 0 8px; }
.feature p { margin: 0; font-size: .97rem; }
.feature-icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 16px; }
.feature-icon .ico { width: 26px; height: 26px; }
.fi-blue { background: #e3f0fb; color: #1673c4; }
.fi-green { background: #e0f6ec; color: #128a55; }
.fi-yellow { background: #fdf3d3; color: #a77a00; }
.fi-red { background: #fde6e9; color: #c22b43; }

/* ---------- Struktura ---------- */
.structure-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.structure-visual { position: relative; display: grid; place-items: center; padding: 30px 0; }
.lens {
  width: min(420px, 82vw); aspect-ratio: 1; border-radius: 50%; overflow: hidden;
  border: 12px solid #fff; box-shadow: var(--shadow-lg), 0 0 0 1px var(--line);
  position: relative;
}
.lens::after { content: ""; position: absolute; inset: 0; border-radius: 50%; box-shadow: inset 0 0 40px rgba(12, 34, 51, .18); }
.lens img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); }
.lens-tag {
  position: absolute; padding: 8px 14px; border-radius: 999px; background: #fff; box-shadow: var(--shadow);
  font-weight: 700; font-size: .9rem; color: var(--ink); white-space: nowrap;
}
.lens-tag::before { content: ""; display: inline-block; width: 9px; height: 9px; margin-right: 8px; border-radius: 50%; background: var(--c-blue); vertical-align: 1px; }
.lt-1 { top: 10%; left: 0; }
.lt-2 { top: 46%; right: -2%; }
.lt-2::before { background: var(--c-yellow); }
.lt-3 { bottom: 8%; left: 8%; }
.lt-3::before { background: var(--c-green); }
.steps-mini { counter-reset: s; display: grid; gap: 14px; margin-top: 26px; }
.steps-mini li {
  counter-increment: s; position: relative; display: grid; gap: 2px;
  padding: 16px 18px 16px 64px; background: #fff; border-radius: var(--radius-sm); border: 1px solid var(--line);
}
.steps-mini li::before {
  content: counter(s); position: absolute; left: 16px; top: 16px;
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
  background: var(--primary); color: #fff; font-weight: 800;
}
.steps-mini strong { color: var(--ink); }
.steps-mini span { font-size: .96rem; }

/* ---------- Barvy ---------- */
.colors { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.color-card {
  --c: var(--c-blue);
  background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.color-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.cc-green { --c: var(--c-green); }
.cc-yellow { --c: var(--c-yellow); }
.cc-red { --c: var(--c-red); }
.color-img { aspect-ratio: 4 / 3; overflow: hidden; border-bottom: 4px solid var(--c); }
.color-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.color-card:hover .color-img img { transform: scale(1.06); }
.color-body { padding: 20px 22px 24px; }
.color-body h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; font-size: 1.25rem; }
.dot { width: 14px; height: 14px; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 4px color-mix(in srgb, var(--c) 22%, transparent); }
.zone { font-weight: 700; color: var(--ink); margin-bottom: 6px; font-size: .95rem; }
.color-body p:last-child { margin: 0; font-size: .95rem; }
.note { max-width: 760px; margin: 28px auto 0; text-align: center; font-size: .93rem; color: var(--muted); }

/* ---------- Použití ---------- */
.uses { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.use {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 26px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.use:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.use-icon { display: grid; place-items: center; flex: none; width: 54px; height: 54px; border-radius: 16px; background: linear-gradient(135deg, var(--c-blue), var(--primary)); color: #fff; }
.use-icon .ico { width: 26px; height: 26px; }
.use h3 { margin-bottom: 6px; }
.use p { margin: 0; font-size: .96rem; }

/* ---------- Certifikace ---------- */
.section-dark {
  color: #c5d4df;
  background:
    radial-gradient(700px 400px at 90% 0%, rgba(47, 143, 224, .35), transparent 60%),
    radial-gradient(600px 400px at 0% 100%, rgba(31, 184, 116, .22), transparent 60%),
    var(--ink);
}
.section-head-light h2 { color: #fff; }
.section-head-light .kicker { color: #7cc4ff; }
.certs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cert {
  padding: 32px 28px; border-radius: var(--radius);
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12);
  transition: background-color .3s, transform .3s var(--ease);
}
.cert:hover { background: rgba(255, 255, 255, .1); transform: translateY(-4px); }
.cert h3 { color: #fff; font-size: 1.3rem; margin: 20px 0 10px; }
.cert p { margin: 0; }
.cert-icon { display: grid; place-items: center; width: 60px; height: 60px; border-radius: 50%; background: #fff; color: var(--primary); box-shadow: 0 0 0 8px rgba(255, 255, 255, .08); }
.cert-icon .ico { width: 28px; height: 28px; }

/* ---------- Produkt ---------- */
.product-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.product-photo {
  position: relative; border-radius: calc(var(--radius) + 8px); overflow: hidden;
  background: linear-gradient(160deg, #fff, var(--soft-2)); border: 1px solid var(--line);
}
.product-photo img { width: 100%; mix-blend-mode: multiply; }
.product-chip {
  position: absolute; left: 20px; bottom: 20px;
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px;
  background: var(--ink); color: #fff; border-radius: 999px; font-weight: 700; font-size: .95rem;
}
.specs { margin: 26px 0; border-top: 1px solid var(--line); }
.specs div { display: grid; grid-template-columns: 150px 1fr; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.specs dt { font-weight: 600; color: var(--muted); font-size: .95rem; }
.specs dd { margin: 0; font-weight: 600; color: var(--ink); }
.b2b {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 18px; margin-bottom: 28px; border-radius: var(--radius-sm);
  background: var(--primary-light); color: var(--ink);
}
.b2b .ico { width: 24px; height: 24px; color: var(--primary); margin-top: 2px; }
.b2b p { margin: 0; font-size: .97rem; }

.packs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 24px 0 4px; }
.pack {
  position: relative; display: grid; gap: 2px; padding: 18px 18px 16px;
  border: 1.5px solid var(--line); border-radius: var(--radius-sm); background: #fff;
  color: var(--text); text-decoration: none;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
}
.pack:hover { color: var(--text); transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--c-blue); }
.pack::after {
  content: "Poptat →"; position: absolute; right: 16px; top: 18px;
  font-size: .8rem; font-weight: 700; color: var(--primary); opacity: 0; transition: opacity .25s;
}
.pack:hover::after, .pack:focus-visible::after { opacity: 1; }
.pack-icon { display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 10px; border-radius: 12px; background: var(--primary-light); color: var(--primary); }
.pack-icon .ico { width: 21px; height: 21px; }
.pack-b2b .pack-icon { background: var(--ink); color: #fff; }
.pack-for { font-size: .82rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.pack-size { font-size: 1.35rem; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.pack-meta { font-size: .88rem; line-height: 1.5; }

/* ---------- Postup ---------- */
.process { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: p; position: relative; }
.process li {
  position: relative; padding: 32px 28px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-sm);
}
.process-num {
  display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 18px;
  border-radius: 14px; font-weight: 800; font-size: 1.25rem; color: #fff;
  background: linear-gradient(135deg, var(--c-blue), var(--primary));
}
.process li:nth-child(2) .process-num { background: linear-gradient(135deg, #3fd08f, #12935a); }
.process li:nth-child(3) .process-num { background: linear-gradient(135deg, #f6d260, #d9a100); }
.process h3 { margin-bottom: 8px; }
.process p { margin: 0; font-size: .97rem; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); transition: box-shadow .25s, border-color .25s; }
.faq details[open] { box-shadow: var(--shadow); border-color: transparent; }
.faq summary {
  position: relative; list-style: none; cursor: pointer;
  padding: 20px 60px 20px 24px; font-weight: 700; color: var(--ink); font-size: 1.04rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 22px; top: 50%; width: 26px; height: 26px; margin-top: -13px;
  border-radius: 50%; background: var(--soft) no-repeat center / 12px 12px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M6 1v10M1 6h10' stroke='%230b6fc0' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  transition: transform .25s var(--ease), background-color .25s;
}
.faq details[open] summary::after { transform: rotate(45deg); background-color: var(--primary-light); }
.faq details > div { padding: 0 24px 22px; }
.faq details p { margin: 0; }

/* ---------- Poptávka ---------- */
.section-inquiry {
  background:
    radial-gradient(800px 500px at 0% 0%, rgba(47, 143, 224, .12), transparent 60%),
    radial-gradient(700px 500px at 100% 100%, rgba(31, 184, 116, .10), transparent 60%),
    var(--soft);
}
.inquiry-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.inquiry-intro { position: sticky; top: calc(var(--header-h) + 32px); }
.contact-list { display: grid; gap: 14px; margin-top: 30px; }
.contact-list li { display: flex; gap: 14px; align-items: center; }
.contact-list small { display: block; font-size: .8rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.contact-list strong, .contact-list a { display: block; color: var(--ink); font-weight: 700; text-decoration: none; }
.contact-list a:hover { color: var(--primary); }
.ci { display: grid; place-items: center; flex: none; width: 48px; height: 48px; border-radius: 14px; background: #fff; color: var(--primary); box-shadow: var(--shadow-sm); }
.ci .ico { width: 22px; height: 22px; }

.form-card { background: #fff; border-radius: calc(var(--radius) + 6px); padding: clamp(24px, 4vw, 40px); box-shadow: var(--shadow-lg); }
.inquiry-form { display: grid; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: grid; gap: 7px; align-content: start; min-width: 0; margin: 0; padding: 0; border: 0; }
.field-group { margin: 0; padding: 0; border: 0; min-width: 0; }
.field > label, .field > legend, .field-group > legend { font-weight: 700; color: var(--ink); font-size: .94rem; padding: 0; }
.field-group > legend { margin-bottom: 9px; }
.req { color: var(--c-red); }

input[type="text"], input[type="email"], input[type="tel"], input[type="number"], textarea {
  width: 100%; min-height: 50px; padding: 12px 15px;
  background: #fbfdfe; border: 1.5px solid var(--line); border-radius: 12px;
  transition: border-color .2s, box-shadow .2s, background-color .2s;
}
textarea { resize: vertical; min-height: 110px; }
input::placeholder, textarea::placeholder { color: #9aabb8; }
input:hover, textarea:hover { border-color: #c9d8e3; }
input:focus, textarea:focus { outline: none; background: #fff; border-color: var(--c-blue); box-shadow: 0 0 0 4px rgba(47, 143, 224, .16); }
.field.has-error input, .field.has-error textarea { border-color: var(--c-red); box-shadow: 0 0 0 4px rgba(229, 72, 95, .12); }
.field-error { color: #c22b43; font-size: .85rem; font-weight: 600; }

.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { position: relative; cursor: pointer; }
.pill input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.pill span {
  display: block; padding: 9px 18px; border-radius: 14px; border: 1.5px solid var(--line);
  font-weight: 700; font-size: .95rem; line-height: 1.3; color: var(--ink); background: #fbfdfe; transition: all .2s;
}
.pill small { display: block; font-size: .78rem; font-weight: 600; color: var(--muted); transition: color .2s; }
.pill input:checked + span small { color: rgba(255, 255, 255, .85); }
.type-note {
  display: flex; gap: 10px; align-items: flex-start; margin: 12px 0 0; padding: 12px 14px;
  border-radius: 12px; background: var(--primary-light); color: var(--ink); font-size: .92rem; line-height: 1.5;
}
.type-note .ico { width: 20px; height: 20px; margin-top: 1px; color: var(--primary); }
.pill:hover span { border-color: #c9d8e3; }
.pill input:checked + span { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 6px 16px -8px rgba(11, 111, 192, .8); }
.pill input:focus-visible + span { outline: 3px solid var(--c-blue); outline-offset: 2px; }

.stepper { display: flex; align-items: stretch; border: 1.5px solid var(--line); border-radius: 12px; overflow: hidden; background: #fbfdfe; max-width: 220px; }
.stepper:focus-within { border-color: var(--c-blue); box-shadow: 0 0 0 4px rgba(47, 143, 224, .16); }
.stepper input { border: 0 !important; box-shadow: none !important; text-align: center; font-weight: 800; font-size: 1.1rem; color: var(--ink); background: transparent; -moz-appearance: textfield; appearance: textfield; min-width: 0; }
.stepper input::-webkit-outer-spin-button, .stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.step-btn { flex: none; width: 48px; border: 0; background: var(--soft); color: var(--primary); cursor: pointer; display: grid; place-items: center; transition: background-color .2s; }
.step-btn:hover { background: var(--primary-light); }

/* ---------- Poptávkový košík ---------- */
.cart { gap: 10px; }
.cart-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.cart-title { font-weight: 700; color: var(--ink); font-size: .94rem; }
.cart-unit {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 11px; border-radius: 999px;
  background: var(--soft); color: var(--ink); font-size: .82rem; font-weight: 700;
}
.cart-unit .ico { width: 15px; height: 15px; color: var(--primary); }

.v-mix { --c: var(--primary); }
.v-modra { --c: var(--c-blue); }
.v-zelena { --c: var(--c-green); }
.v-zluta { --c: #d9a100; }
.v-cervena { --c: var(--c-red); }

.variants { display: grid; gap: 8px; }
.variant {
  display: grid; grid-template-columns: 44px 1fr auto 78px; align-items: center; gap: 12px;
  padding: 9px 12px 9px 9px; border: 1.5px solid var(--line); border-radius: 14px; background: #fbfdfe;
  transition: border-color .2s, background-color .2s, box-shadow .2s;
}
.variant.is-active {
  border-color: var(--c);
  background: color-mix(in srgb, var(--c) 6%, #fff);
  box-shadow: 0 8px 18px -12px color-mix(in srgb, var(--c) 70%, transparent);
}
.variant-thumb { display: block; width: 44px; height: 44px; border-radius: 10px; overflow: hidden; box-shadow: inset 0 0 0 1px rgba(12, 34, 51, .08); }
.variant-thumb img { width: 100%; height: 100%; object-fit: cover; }
.variant-thumb-mix { background: conic-gradient(var(--c-blue) 0 25%, var(--c-green) 0 50%, var(--c-yellow) 0 75%, var(--c-red) 0); }
.variant-name { display: grid; min-width: 0; line-height: 1.3; cursor: pointer; }
.variant-name strong { color: var(--ink); font-size: .98rem; }
.variant-name small { color: var(--muted); font-size: .8rem; }
.variant-pcs { text-align: right; font-weight: 700; font-size: .92rem; color: #9aabb8; white-space: nowrap; }
.variant.is-active .variant-pcs { color: var(--ink); }

.cart-summary { padding: 14px 16px; border-radius: 14px; background: var(--ink); color: #c5d4df; transition: box-shadow .2s; }
.cart.has-error .cart-summary { box-shadow: 0 0 0 3px rgba(229, 72, 95, .55); }
.cart-summary-title { margin: 0 0 8px; font-size: .74rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: #7cc4ff; }
.cart-lines { display: grid; gap: 8px; }
.cart-lines li { display: grid; grid-template-columns: 10px 1fr auto 26px; align-items: center; gap: 10px; font-size: .93rem; animation: line-in .3s var(--ease); }
.cl-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--c); }
.v-mix .cl-dot { background: conic-gradient(var(--c-blue) 0 25%, var(--c-green) 0 50%, var(--c-yellow) 0 75%, var(--c-red) 0); }
.cl-name { color: #fff; font-weight: 600; line-height: 1.25; }
.cl-name small { display: block; color: #9fb3c2; font-weight: 500; font-size: .82rem; }
.cl-pcs { color: #fff; font-weight: 700; white-space: nowrap; }
.cl-remove {
  display: grid; place-items: center; width: 26px; height: 26px; padding: 0; border: 0; border-radius: 50%;
  background: rgba(255, 255, 255, .08); color: #9fb3c2; cursor: pointer; transition: background-color .2s, color .2s;
}
.cl-remove:hover { background: rgba(229, 72, 95, .85); color: #fff; }
.cl-remove .ico { width: 14px; height: 14px; }
.cart-empty { margin: 0; color: #9fb3c2; font-size: .92rem; }
.cart-total {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  margin-top: 12px; padding-top: 12px; border-top: 1px dashed rgba(255, 255, 255, .2); color: #fff;
}
.cart-total strong { display: inline-block; font-size: 1.08rem; text-align: right; }
.cart-pcs { color: #7cc4ff; }
.bump { animation: bump .35s var(--ease); }
@keyframes bump { 50% { transform: scale(1.08); } }
@keyframes line-in { from { opacity: 0; transform: translateY(-4px); } }

.stepper-sm { border-radius: 10px; }
.stepper-sm input { width: 46px; min-height: 40px; padding: 0; font-size: 1rem; }
.stepper-sm .step-btn { width: 36px; }
.stepper-sm .ico { width: 16px; height: 16px; }

.check { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; font-size: .94rem; }
.check input { flex: none; width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--primary); cursor: pointer; }
.check.has-error span { color: #c22b43; }

.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

.form-status:empty { display: none; }
.form-status { padding: 14px 16px; border-radius: 12px; font-weight: 600; font-size: .95rem; }
.form-status.is-error { background: #fde6e9; color: #9c1d31; }
.form-foot { margin: -4px 0 0; text-align: center; color: var(--muted); font-size: .86rem; }

.btn .spinner { width: 18px; height: 18px; border: 2.5px solid rgba(255, 255, 255, .4); border-top-color: #fff; border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.form-success { text-align: center; padding: 40px 10px; }
.form-success:focus { outline: none; }
.success-icon { display: inline-grid; place-items: center; width: 76px; height: 76px; margin-bottom: 18px; border-radius: 50%; background: linear-gradient(135deg, #3fd08f, #12935a); color: #fff; box-shadow: 0 14px 30px -10px rgba(18, 147, 90, .6); }
.success-icon .ico { width: 36px; height: 36px; stroke-width: 3; }
.form-success h3 { font-size: 1.5rem; }

/* ---------- Patička ---------- */
.site-footer { background: var(--ink); color: #9fb3c2; padding: 64px 0 0; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.site-footer h2 { color: #fff; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 16px; }
.site-footer a { color: #d6e2ea; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-brand p { margin-top: 16px; max-width: 30em; }
.footer-nav li, .footer-contact li { margin-bottom: 8px; }
.footer-legal p { margin-bottom: 8px; }
.tiny { font-size: .82rem; color: #7f95a5; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px; padding-top: 22px; padding-bottom: 26px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .88rem; }
.footer-bottom p { margin: 0; }

/* ---------- Jednoduché podstránky ---------- */
.page-hero { padding: clamp(48px, 7vw, 88px) 0 32px; background: linear-gradient(180deg, #f7fbfe, #fff); }
.page-hero h1 { font-size: clamp(2rem, 4.4vw, 3rem); }
.prose { padding-bottom: clamp(64px, 8vw, 100px); }
.prose h2 { font-size: 1.4rem; margin-top: 2em; }
.prose ul { list-style: disc; padding-left: 1.3em; margin-bottom: 1em; }
.prose li { margin-bottom: .35em; }
.center-page { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 64px 0; }
.center-page .success-icon { margin-bottom: 24px; }
.center-page .big-num { font-size: clamp(5rem, 14vw, 9rem); font-weight: 800; line-height: 1; letter-spacing: -.06em; margin-bottom: 8px; }

/* ---------- Animace při scrollu ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responzivita ---------- */
@media (max-width: 1080px) {
  .features { grid-template-columns: repeat(2, 1fr); }
  .colors { grid-template-columns: repeat(2, 1fr); }
  .uses { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; left: 0; right: 0; top: var(--header-h);
    flex-direction: column; align-items: stretch; gap: 16px;
    padding: 16px clamp(20px, 4vw, 32px) 24px;
    background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 24px 40px -20px rgba(12, 34, 51, .3);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .25s, transform .25s var(--ease), visibility .25s;
  }
  .nav-open .main-nav { opacity: 1; visibility: visible; transform: none; }
  .main-nav ul { flex-direction: column; gap: 2px; }
  .main-nav ul a { padding: 12px 14px; font-size: 1.05rem; }
  .nav-cta { width: 100%; padding: .9em 1.2em; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .lead { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-trust { justify-content: center; }
  .hero-visual { max-width: 560px; width: 100%; margin: 0 auto; }

  .structure-grid, .product-grid, .inquiry-grid { grid-template-columns: 1fr; }
  .inquiry-intro { position: static; }
  .product-photo { max-width: 520px; margin: 0 auto; width: 100%; }
  .certs, .process { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .audience-list { justify-content: center; }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .features, .uses { grid-template-columns: 1fr; }
  .feature { display: grid; grid-template-columns: 48px 1fr; gap: 4px 16px; padding: 20px; }
  .feature-icon { width: 48px; height: 48px; grid-row: span 2; }
  .feature h3 { margin: 2px 0 0; }
  .colors { gap: 12px; }
  .color-img { aspect-ratio: 1 / 1; }
  .color-body { padding: 14px 14px 16px; }
  .color-body h3 { font-size: 1.05rem; gap: 8px; }
  .dot { width: 11px; height: 11px; }
  .zone, .color-body p:last-child { font-size: .86rem; }
  .cert { display: grid; grid-template-columns: 52px 1fr; gap: 4px 16px; padding: 22px 20px; }
  .cert-icon { width: 52px; height: 52px; grid-row: span 2; }
  .cert h3 { margin: 2px 0 0; font-size: 1.15rem; }
  .use { padding: 20px; }
  .form-row { grid-template-columns: 1fr; }
  .pills { display: grid; grid-template-columns: 1fr; gap: 8px; }
  .pill span { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 12px 16px; }
  .pill small { font-size: .82rem; }
  .variant { grid-template-columns: 40px 1fr auto; gap: 10px; }
  .variant-thumb { width: 40px; height: 40px; }
  .variant-pcs { display: none; }
  .variant-name small { font-size: .76rem; }
  .cart-summary { padding: 12px 14px; }
  .hero-visual { height: 360px; }
  .cloth { width: 46%; margin-left: -23%; }
  .fb-1 { left: 0; top: 2%; }
  .fb-2 { right: 0; bottom: 4%; }
  .fb-3 { display: none; }
  .float-badge { padding: 9px 12px 9px 9px; gap: 9px; }
  .fb-icon { width: 36px; height: 36px; }
  .lens-tag { font-size: .8rem; padding: 6px 11px; }
  .lt-2 { right: 0; }
  .specs div { grid-template-columns: 1fr; gap: 2px; }
  .packs { gap: 10px; }
  .pack { padding: 14px 14px 12px; }
  .pack::after { display: none; }
  .pack-size { font-size: 1.12rem; }
  .pack-for { font-size: .72rem; }
  .audience-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .btn-lg { width: 100%; }
  .hero-actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .hero-visual, .form-card, .nav-toggle { display: none !important; }
  .section, .hero { padding: 24px 0; }
  .section-dark { background: none; color: inherit; }
  .section-dark h2, .section-dark h3 { color: var(--ink); }
}

.site-footer-compact { padding-top: 0; }
.site-footer-compact .footer-bottom { border-top: 0; padding-top: 26px; }