/* MK3D: písma (Syne, Bebas Neue; licence OFL) jsou hostovaná přímo na webu */
@font-face { font-family: 'Syne'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('fonts/syne-latin-ext-400-normal.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: 'Syne'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('fonts/syne-latin-400-normal.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; }
@font-face { font-family: 'Syne'; font-style: normal; font-weight: 600; font-display: swap;
  src: url('fonts/syne-latin-ext-600-normal.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: 'Syne'; font-style: normal; font-weight: 600; font-display: swap;
  src: url('fonts/syne-latin-600-normal.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; }
@font-face { font-family: 'Syne'; font-style: normal; font-weight: 700; font-display: swap;
  src: url('fonts/syne-latin-ext-700-normal.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: 'Syne'; font-style: normal; font-weight: 700; font-display: swap;
  src: url('fonts/syne-latin-700-normal.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; }
@font-face { font-family: 'Bebas Neue'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('fonts/bebas-neue-latin-ext-400-normal.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: 'Bebas Neue'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('fonts/bebas-neue-latin-400-normal.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 {
  --bg: #0b0f0e;
  --surface: #111615;
  --card: #151c1a;
  --card-hover: #1a2420;
  --accent: #c8f542;
  --accent-hover: #d9ff66;
  --text: #e8ede9;
  --muted: #8a9a91;
  --border: rgba(200, 245, 66, 0.12);
  --border-strong: rgba(200, 245, 66, 0.28);
  --display: 'Bebas Neue', 'Arial Narrow', 'Arial Black', sans-serif;
  --body: 'Syne', 'Segoe UI', Arial, sans-serif;
  --wrap: 1240px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.skip {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--accent); color: var(--bg); padding: 0.6rem 1rem; font-weight: 700;
}
.skip:focus { left: 1rem; top: 1rem; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 2rem; }

h1, h2, h3 { font-family: var(--display); font-weight: 400; letter-spacing: 0.02em; line-height: 1; color: var(--text); }
h1 { font-size: clamp(3rem, 5.3vw, 5.6rem); line-height: 0.94; }
h2 { font-size: clamp(2.4rem, 4.4vw, 3.8rem); margin-bottom: 1rem; }
h3 { font-size: 1.45rem; letter-spacing: 0.04em; margin-bottom: 0.5rem; }
.accent { color: var(--accent); }
.lead { color: var(--muted); font-size: 1.08rem; max-width: 60ch; }
p { max-width: 68ch; }
.muted { color: var(--muted); }

/* ---------- tlačítka ---------- */
.btn {
  white-space: nowrap;
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.85rem 1.7rem;
  font-family: var(--body); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  text-decoration: none; border-radius: 3px; border: 1px solid transparent; cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn-primary { background: var(--accent); color: var(--bg); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); }
.btn-outline { border-color: var(--border-strong); color: var(--text); background: transparent; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.text-link {
  color: var(--accent); font-weight: 700; text-decoration: none;
  border-bottom: 1px solid var(--border-strong); padding-bottom: 2px;
}
.text-link:hover { border-color: var(--accent); }

/* ---------- navigace ---------- */
.site-nav {
  position: fixed; inset: 0 0 auto; z-index: 100;
  background: rgba(11, 15, 14, 0.94); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; height: 76px; }
.brand { text-decoration: none; display: flex; flex-direction: column; line-height: 1; }
.logo { font-family: var(--display); font-size: 1.9rem; letter-spacing: 0.08em; color: var(--accent); }
.logo span { color: var(--text); }
.brand-sub { font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-top: 4px; }
.nav-links { display: flex; gap: 1.5rem; list-style: none; align-items: center; }
.nav-links a {
  color: var(--muted); text-decoration: none; font-size: 0.76rem; letter-spacing: 0.14em; text-transform: uppercase;
  position: relative; padding: 0.4rem 0; transition: color 0.2s; white-space: nowrap;
}
.nav-links a:hover { color: var(--text); }
.nav-links a[aria-current="page"] { color: var(--text); }
.nav-links a[aria-current="page"]::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; background: var(--accent);
}
.nav-links .nav-cta-mobile { display: none; }
.menu-toggle {
  display: none; background: transparent; border: 1px solid var(--border-strong); border-radius: 3px;
  width: 44px; height: 44px; align-items: center; justify-content: center; color: var(--text); cursor: pointer;
}
.menu-toggle svg { width: 22px; height: 22px; }

/* ---------- hero (úvod) ---------- */
.hero { position: relative; overflow: hidden; padding: 120px 0 4.5rem; display: flex; flex-direction: column; justify-content: center;
  min-height: calc(100vh - 128px); min-height: calc(100svh - 128px); }
.hero > .wrap { width: 100%; }
.sec.sec-first { padding-top: 3rem; }
.hero-gridbg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(200, 245, 66, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 245, 66, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
@media (prefers-reduced-motion: no-preference) {
  .hero-gridbg { animation: gridDrift 30s linear infinite; }
  @keyframes gridDrift { to { background-position: 60px 60px; } }
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1fr 1.05fr; gap: 3.5rem; align-items: center; }
.hero-sub { margin-top: 1.6rem; color: var(--muted); font-size: 1.1rem; max-width: 44ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }

.features {
  position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--border);
}
.feature { display: flex; gap: 0.9rem; align-items: flex-start; }
.feature svg { width: 30px; height: 30px; color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.feature strong { display: block; font-size: 0.92rem; line-height: 1.3; }
.feature span { font-size: 0.82rem; color: var(--muted); line-height: 1.4; }

/* displej strojního řízení */
.cab { position: relative; }
.cab-bezel {
  position: relative; background: #050807; border-radius: 18px; padding: 14px 14px 40px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 1px var(--border), 0 40px 80px rgba(0, 0, 0, 0.55);
  transform: perspective(1600px) rotateY(-8deg) rotateX(2deg);
}
.cab-screen { position: relative; aspect-ratio: 16 / 10; overflow: hidden; border-radius: 6px; background: var(--bg); }
.cab-screen { touch-action: pan-y; }
.slides, .slide { position: absolute; inset: 0; }
.slide { opacity: 0; transition: opacity 0.55s ease; }
.slide[hidden] { display: none; }
.slide.is-active { opacity: 1; }
.slide img { display: block; width: 100%; height: 100%; object-fit: cover; user-select: none; -webkit-user-drag: none; }
@media (prefers-reduced-motion: reduce) { .slide { transition: none; } }
.hud-top {
  position: absolute; inset: 0 0 auto; display: flex; justify-content: space-between; gap: 1rem;
  padding: 0.5rem 0.8rem; font-size: 0.68rem; letter-spacing: 0.06em; color: var(--muted);
  background: rgba(5, 8, 7, 0.82); border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}
.hud-top b { color: var(--text); font-weight: 600; }
.hud-delta {
  position: absolute; right: 0.8rem; bottom: 0.8rem; padding: 0.5rem 0.9rem;
  background: rgba(5, 8, 7, 0.88); border: 1px solid var(--border-strong); border-radius: 4px;
}
.hud-delta small { display: block; font-size: 0.62rem; letter-spacing: 0.08em; color: var(--muted); }
.hud-delta strong { font-family: var(--display); font-size: 2.3rem; line-height: 1; color: var(--accent); font-weight: 400; font-variant-numeric: tabular-nums; }
.hud-status {
  position: absolute; right: 0.8rem; top: 2.7rem; display: flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 0.8rem; background: rgba(5, 8, 7, 0.88); border: 1px solid var(--border); border-radius: 4px;
  font-size: 0.72rem; color: var(--text);
}
.hud-status i { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); display: block; }
.cab-dots { position: absolute; left: 0; right: 0; bottom: 8px; display: flex; justify-content: center; gap: 3px; }
.cab-dots button { width: 22px; height: 22px; padding: 0; border: 0; background: transparent; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.cab-dots button::before { content: ''; width: 10px; height: 10px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, 0.3); transition: background 0.2s, border-color 0.2s, transform 0.2s; }
.cab-dots button:hover::before { border-color: var(--accent); }
.cab-dots button[aria-current='true']::before { background: var(--accent); border-color: var(--accent); transform: scale(1.15); }
.cab-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 4; width: 42px; height: 42px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; border: 1px solid var(--border-strong); background: rgba(5, 8, 7, 0.72); color: var(--text); cursor: pointer; padding: 0;
  transition: background 0.2s, color 0.2s, border-color 0.2s; }
.cab-arrow:hover { color: var(--accent); border-color: var(--accent); background: rgba(5, 8, 7, 0.92); }
.cab-arrow svg { width: 22px; height: 22px; }
.cab-arrow.prev { left: 0.7rem; }
.cab-arrow.next { right: 0.7rem; }
.cab-caption { margin-top: 1.2rem; font-size: 0.8rem; color: var(--muted); text-align: right; padding-right: 14%; }

/* ---------- sekce ---------- */
.sec { padding: 6rem 0; }
.sec-alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.sec-head h2 { margin-bottom: 0.4rem; }

/* služby + TinWeave */
.duo { display: grid; grid-template-columns: 1.35fr 1fr; gap: 1.5rem; }
.panel {
  position: relative; overflow: hidden; border-radius: 6px; padding: 2.6rem;
  background: var(--surface); border: 1px solid var(--border);
}
.panel > *:not(.panel-img) { position: relative; z-index: 1; }
.panel-img { position: absolute; z-index: 0; pointer-events: none; }
.panel-services .panel-img {
  right: -8%; bottom: -12%; width: 62%; height: auto; opacity: 0.65;
  -webkit-mask-image: radial-gradient(ellipse 60% 55% at 62% 62%, #000 35%, transparent 75%);
  mask-image: radial-gradient(ellipse 60% 55% at 62% 62%, #000 35%, transparent 75%);
}
.panel-tw { background: #0d1512; border-color: var(--border-strong); }
.panel-tw .panel-img {
  right: -22%; top: -14%; width: 85%; height: auto; opacity: 0.4;
  -webkit-mask-image: radial-gradient(ellipse 55% 55% at 60% 45%, #000 30%, transparent 72%);
  mask-image: radial-gradient(ellipse 55% 55% at 60% 45%, #000 30%, transparent 72%);
}
.panel h2 { font-size: clamp(2.1rem, 3.4vw, 2.9rem); }
.panel-sub { font-weight: 700; margin-bottom: 0.9rem; max-width: 40ch; }
.panel p.muted { max-width: 46ch; }
.tw-title { color: var(--accent); }
.badge {
  display: inline-block; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); border: 1px solid var(--border-strong); border-radius: 3px; padding: 0.2rem 0.6rem;
  margin-left: 0.7rem; vertical-align: middle; font-family: var(--body);
}
.checks { list-style: none; margin: 1.4rem 0 2rem; display: grid; gap: 0.6rem; max-width: 46ch; }
.checks li { position: relative; padding-left: 2rem; font-size: 0.95rem; }
.checks li::before {
  content: ''; position: absolute; left: 0; top: 0.32em; width: 1.15rem; height: 1.15rem; border-radius: 50%;
  background: var(--accent);
}
.checks li::after {
  content: ''; position: absolute; left: 0.39rem; top: 0.52em; width: 0.32rem; height: 0.55rem;
  border: solid var(--bg); border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.checks li span { color: var(--muted); }

/* využití */
.uses { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem 2.5rem; margin-bottom: 2.5rem; }
.use { border-top: 1px solid var(--border-strong); padding-top: 1.2rem; }
.use p { color: var(--muted); font-size: 0.92rem; }

/* reference */
.ref-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.ref-grid.three { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.ref-card { background: var(--card); border: 1px solid var(--border); border-radius: 6px; overflow: hidden; transition: border-color 0.25s; }
.ref-card:hover { border-color: var(--border-strong); }
.ref-media { display: block; aspect-ratio: 3 / 2; overflow: hidden; background: #000; cursor: zoom-in; }
.ref-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s ease; }
@media (prefers-reduced-motion: no-preference) { .ref-card:hover .ref-media img { transform: scale(1.03); } }
.ref-body { padding: 1.2rem 1.3rem 1.4rem; }
.ref-body p { color: var(--muted); font-size: 0.88rem; margin-bottom: 0.9rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chips span {
  font-size: 0.7rem; letter-spacing: 0.04em; color: var(--accent);
  background: rgba(200, 245, 66, 0.07); border-radius: 3px; padding: 0.2rem 0.6rem;
}
.note { font-size: 0.82rem; color: var(--muted); margin-top: 1.2rem; }

/* postup */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; counter-reset: step; position: relative; }
.steps::before {
  content: ''; position: absolute; left: 28px; right: 24%; top: 28px; height: 1px; background: var(--border-strong);
}
.step { position: relative; counter-increment: step; }
.step::before {
  content: counter(step); display: flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 50%; margin-bottom: 1.3rem;
  background: var(--bg); border: 1px solid var(--accent); color: var(--accent);
  font-family: var(--display); font-size: 1.8rem; position: relative; z-index: 1;
}
.sec-alt .step::before { background: var(--surface); }
.step p { color: var(--muted); font-size: 0.92rem; }

/* proč MK3D */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem 2.5rem; margin-top: 2rem; }
.why-item svg { width: 34px; height: 34px; color: var(--accent); margin-bottom: 0.8rem; }
.why-item p { color: var(--muted); font-size: 0.92rem; }

/* výzva */
.cta-band { position: relative; overflow: hidden; background: var(--surface); border-top: 1px solid var(--border); }
.cta-inner { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 2rem; flex-wrap: wrap; padding: 4.5rem 2rem; }
.cta-inner h2 { margin-bottom: 0.5rem; }

/* ---------- podstránky ---------- */
.page-head { position: relative; overflow: hidden; padding: 150px 0 60px; border-bottom: 1px solid var(--border); }
.page-head h1 { font-size: clamp(3rem, 6vw, 5.4rem); margin-bottom: 1.2rem; }
.key-line {
  margin-top: 2rem; padding: 1.2rem 1.5rem; border-left: 3px solid var(--accent); background: var(--surface);
  font-size: 1.12rem; font-weight: 700; max-width: 62ch;
}

/* služby */
.service { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; padding: 4rem 0; border-bottom: 1px solid var(--border); }
.service:last-of-type { border-bottom: 0; }
.service p { color: var(--muted); margin-bottom: 1rem; }
.service-box { background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 2rem; }
.service-box h3 { margin-bottom: 1rem; }
.service-box .checks { margin: 0; }
.audience { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.aud { background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 1.8rem; }
.aud p { color: var(--muted); font-size: 0.92rem; }

/* jak to funguje */
.scenario { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-bottom: 1.25rem; }
.scenario > div { border-radius: 6px; padding: 2rem; }
.before { background: var(--card); border: 1px solid rgba(255, 255, 255, 0.06); }
.after { background: #0f1a14; border: 1px solid var(--border-strong); }
.scenario-label { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.8rem; display: block; }
.before .scenario-label { color: var(--muted); }
.after .scenario-label { color: var(--accent); }
.scenario p { color: var(--muted); font-size: 0.95rem; }
.scenario-name { font-size: 0.85rem; color: var(--muted); margin: 3rem 0 1rem; }
.faq { max-width: 820px; }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary {
  cursor: pointer; list-style: none; padding: 1.3rem 2.5rem 1.3rem 0; font-weight: 700; font-size: 1.05rem; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; position: absolute; right: 0.3rem; top: 50%; transform: translateY(-50%);
  color: var(--accent); font-size: 1.5rem; font-weight: 400; line-height: 1;
}
.faq details[open] summary::after { content: '–'; }
.faq details p { color: var(--muted); padding: 0 0 1.4rem; }

/* TinWeave */
.tw-shot-wrap { margin: 0; }
.tw-shot { display: block; border: 1px solid var(--border-strong); border-radius: 6px; overflow: hidden; background: #000; cursor: zoom-in; }
.tw-shot img { display: block; width: 100%; max-width: 1000px; height: auto; margin: 0 auto; }
.tw-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem 3rem; }
.tw-item { border-top: 1px solid var(--border-strong); padding-top: 1.1rem; }
.tw-item p { color: var(--muted); font-size: 0.93rem; }

/* o mně */
.about { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 4.5rem; align-items: center; }
.about-frame {
  position: relative; aspect-ratio: 4 / 5; border: 1px solid var(--border); border-radius: 4px; background: var(--card);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.about-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.5; }
.about-frame-text { position: relative; font-family: var(--display); font-size: 6.5rem; line-height: 0.95; text-align: center; color: rgba(200, 245, 66, 0.1); }
.about-badge { position: absolute; right: -1.2rem; bottom: -1.2rem; background: var(--accent); color: var(--bg); padding: 1.1rem 1.4rem; border-radius: 3px; }
.about-badge strong { display: block; font-family: var(--display); font-size: 2.6rem; line-height: 1; font-weight: 400; }
.about-badge span { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.about-text p { color: var(--muted); margin-bottom: 1.1rem; }
.about-text p strong { color: var(--text); }

/* kontakt */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 4rem; align-items: start; }
.contact-list { list-style: none; }
.contact-list li { display: flex; gap: 1.2rem; padding: 1.3rem 0; border-bottom: 1px solid var(--border); align-items: center; }
.contact-icon {
  width: 42px; height: 42px; border: 1px solid var(--border); border-radius: 3px; color: var(--accent);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-icon svg { width: 18px; height: 18px; }
.contact-label { font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.contact-value a { text-decoration: none; }
.contact-value a:hover { color: var(--accent); }
.form { display: grid; gap: 1.1rem; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 2.2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { display: grid; gap: 0.4rem; }
.field label { font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.field input, .field textarea {
  background: var(--card); border: 1px solid var(--border); color: var(--text); border-radius: 3px;
  padding: 0.85rem 1rem; font-family: var(--body); font-size: 0.95rem; width: 100%;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.form .btn { justify-self: start; }
.form-hint { font-size: 0.8rem; color: var(--muted); }
.hidden-field { position: absolute; left: -9999px; }

/* ---------- patička ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 3.5rem 0 2rem; background: var(--bg); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 2.5rem; }
.footer-grid h4 { font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.9rem; font-weight: 700; }
.footer-grid ul { list-style: none; display: grid; gap: 0.4rem; font-size: 0.92rem; }
.footer-grid a { text-decoration: none; font-size: 0.92rem; }
.footer-grid a:hover { color: var(--accent); }
.footer-grid p { color: var(--muted); font-size: 0.9rem; margin-top: 0.8rem; max-width: 34ch; }
.footer-bottom { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--border); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: 0.78rem; color: var(--muted); }

/* ---------- responzivita ---------- */
@media (max-width: 1180px) {
  .menu-toggle { display: inline-flex; }
  .nav-cta { display: none; }
  .nav-links {
    display: none; position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 0.5rem 2rem 1.5rem;
  }
  .site-nav.open .nav-links { display: flex; }
  .nav-links li a { display: block; padding: 0.9rem 0; border-bottom: 1px solid var(--border); font-size: 0.85rem; }
  .nav-links a[aria-current="page"]::after { display: none; }
  .nav-links a[aria-current="page"] { color: var(--accent); }
  .nav-links .nav-cta-mobile { display: block; margin-top: 1.2rem; }
  .nav-links .nav-cta-mobile a { border: 0; display: inline-flex; padding: 0.85rem 1.7rem; color: var(--bg); }
  .hero-inner { grid-template-columns: 1fr; }
  .cab { max-width: 640px; }
  .cab-bezel { transform: none; }
  .cab-caption { text-align: left; padding: 0; }
  .features { grid-template-columns: 1fr 1fr; }
  .duo, .service, .about, .contact { grid-template-columns: 1fr; gap: 2rem; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .ref-grid { grid-template-columns: 1fr 1fr; }
  .ref-grid.three { grid-template-columns: 1fr 1fr; }
  .uses { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; gap: 2.5rem 2rem; }
  .steps::before { display: none; }
  .audience { grid-template-columns: 1fr; }
  .about-frame { max-width: 420px; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 1.25rem; }
  .nav-links { padding: 0.5rem 1.25rem 1.5rem; }
  .hero { padding-top: 110px; min-height: 0; }
  .scroll-cue { display: none; }
  .sec { padding: 4.5rem 0; }
  .panel { padding: 1.8rem; }
  .features, .ref-grid, .ref-grid.three, .uses, .steps, .why-grid, .tw-grid, .scenario, .form-row, .footer-grid { grid-template-columns: 1fr; }
  .cta-inner { padding: 3.5rem 1.25rem; }
  .page-head { padding: 120px 0 45px; }
  .about-badge { right: 0.8rem; }
  .form { padding: 1.5rem; }
  }

/* ---------- zvětšení obrázku ---------- */
.lightbox { border: 1px solid var(--border-strong); background: #000; color: var(--text); padding: 0; border-radius: 6px;
  max-width: min(96vw, 1500px); overflow: visible; margin: auto; }
.lightbox::backdrop { background: rgba(0, 0, 0, 0.85); }
.lightbox figure { margin: 0; }
.lightbox img { display: block; max-width: 100%; max-height: calc(100vh - 9rem); width: auto; height: auto; margin: 0 auto; }
.lightbox figcaption { padding: 0.9rem 1.3rem 1.1rem; color: var(--muted); font-size: 0.9rem; max-width: 90ch; }
.lightbox form { margin: 0; }
.lb-close { position: absolute; top: 0.5rem; right: 0.5rem; width: 42px; height: 42px; border-radius: 3px; cursor: pointer;
  background: rgba(11, 15, 14, 0.85); color: var(--text); border: 1px solid var(--border-strong); font-size: 1.6rem; line-height: 1; z-index: 2; }
.lb-close:hover { color: var(--accent); border-color: var(--accent); }

/* hlavní reference jako velká karta, nadpisy karet s normální řádkovou mezerou */
.ref-body h3, .use h3 { line-height: 1.15; }
.ref-card.featured { grid-column: 1 / -1; display: grid; grid-template-columns: 2fr 1fr; }
.ref-card.featured .ref-body { display: flex; flex-direction: column; justify-content: center; padding: 2.2rem; }
.ref-card.featured .ref-body h3 { font-size: 2.1rem; margin-bottom: 0.8rem; }
.ref-card.featured .ref-body p { font-size: 1rem; }
@media (max-width: 1180px) { .ref-card.featured { grid-template-columns: 1fr; } .ref-card.featured .ref-body { padding: 1.4rem 1.3rem 1.5rem; } .ref-card.featured .ref-body h3 { font-size: 1.6rem; } }

/* ---------- šipka „Dále“ v hero ---------- */
.scroll-cue { position: absolute; left: 50%; bottom: 0.9rem; transform: translateX(-50%); z-index: 3; display: flex; flex-direction: column; align-items: center;
  gap: 0.15rem; color: var(--muted); text-decoration: none; font-size: 0.68rem; letter-spacing: 0.22em; text-transform: uppercase; transition: color 0.2s, opacity 0.3s; }
.scroll-cue:hover { color: var(--accent); }
.scroll-cue svg { width: 26px; height: 26px; color: var(--accent); }
.scroll-cue.hide { opacity: 0; pointer-events: none; }
@media (prefers-reduced-motion: no-preference) { .scroll-cue svg { animation: cueBounce 1.7s ease-in-out infinite; } @keyframes cueBounce { 0%, 100% { transform: translateY(-2px); } 50% { transform: translateY(5px); } } }

/* nízká okna (starší notebooky 1366×768, 1280×720): úspornější hero, ať je na první obrazovce vidět, že stránka pokračuje */
@media (min-width: 1181px) and (max-height: 880px) {
  .hero { padding-top: 98px; padding-bottom: 3.4rem; min-height: calc(100vh - 100px); min-height: calc(100svh - 100px); }
  h1 { font-size: max(2.6rem, min(5.3vw, 8.4vh)); }
  .hero-sub { margin-top: 1.1rem; font-size: 0.98rem; }
  .hero-cta { margin-top: 1.4rem; }
  .features { margin-top: 1.8rem; padding-top: 1.2rem; }
  .cab-caption { margin-top: 0.7rem; }
  .sec.sec-first { padding-top: 2rem; }
}

@media (max-width: 640px) {
  .hud-top span:last-child { display: none; }
  .hud-top span:first-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
}

.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.footer-bottom a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom a:hover { color: var(--accent); }

.unit { font-family: var(--body); font-size: 0.55em; letter-spacing: 0; margin-left: 0.1em; }

/* velmi nízká okna (1280×720) */
@media (min-width: 1181px) and (max-height: 760px) {
  .hero { padding-top: 90px; padding-bottom: 2.8rem; }
  .hero-cta { margin-top: 1rem; }
  .features { margin-top: 1.2rem; padding-top: 1rem; }
  .sec.sec-first { padding-top: 1.4rem; }
}

/* právní stránky */
.legal { max-width: 78ch; }
.legal h2 { font-size: 1.7rem; margin: 2.4rem 0 0.6rem; }
.legal p, .legal li { color: var(--muted); }
.legal p { margin-bottom: 0.9rem; }
.legal ul { margin: 0.4rem 0 1rem 1.2rem; }
.legal a { color: var(--accent); }

@media (max-width: 640px) { .cab-arrow { width: 36px; height: 36px; } .cab-arrow svg { width: 18px; height: 18px; } .cab-arrow.prev { left: 0.4rem; } .cab-arrow.next { right: 0.4rem; } }