/* ==========================================================================
   Tappoo – úvodní stránka (/). Samostatná, nezávisí na app.css / theme.css.
   Motiv: noční asfalt + dopravní žlutá, odpovědi A–D v barvách aplikace.
   ========================================================================== */
@font-face { font-family: 'Jakarta'; src: url('/fonts/jakarta-latin-ext.woff2') format('woff2'); font-weight: 200 800; 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; }
@font-face { font-family: 'Jakarta'; src: url('/fonts/jakarta-latin.woff2') format('woff2'); font-weight: 200 800; 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; }

:root {
  --night: #0b1015; --night-2: #121a22; --night-3: #1a242e;
  --sig: #ffc61a; --gsig: linear-gradient(135deg, #ffd84d 0%, #ffb000 100%);
  --g0: linear-gradient(135deg, #19d3c5 0%, #0b8f89 100%);
  --g1: linear-gradient(135deg, #ff9a4d 0%, #e8590c 100%);
  --g2: linear-gradient(135deg, #5b9bff 0%, #1d4ed8 100%);
  --g3: linear-gradient(135deg, #ff6b81 0%, #be123c 100%);
  --ink: #0f172a; --muted: #5b6678; --line: #e3e8f0; --paper: #ffffff; --soft: #f4f6fb;
  --on-dark: #e8edf3; --on-dark-2: rgba(232, 237, 243, .72);
  --r: 18px;
  --sh: 0 1px 2px rgba(15, 23, 42, .06), 0 10px 30px rgba(15, 23, 42, .08);
  font-family: 'Jakarta', 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body { margin: 0; background: var(--night); color: var(--ink); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; letter-spacing: -.005em; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.025em; margin: 0 0 .5em; }
h1 { font-size: clamp(34px, 5.4vw, 62px); font-weight: 800; }
h2 { font-size: clamp(28px, 3.6vw, 44px); font-weight: 800; }
h3 { font-size: 19px; font-weight: 750; }
p { margin: 0 0 1em; }
kbd { font: 700 .85em/1 inherit; background: var(--soft); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px; padding: 2px 6px; }
::selection { background: var(--sig); color: #111; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 800px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--sig); color: #111; padding: 8px 14px; border-radius: 10px; font-weight: 700; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--sig); outline-offset: 3px; border-radius: 6px; }

/* ---------- tlačítka ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; cursor: pointer; font: inherit; font-weight: 750;
  text-decoration: none; border-radius: 14px; padding: 12px 22px; transition: transform .15s ease, box-shadow .15s ease, filter .15s ease, background .15s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.btn.sig { background: var(--gsig); color: #1a1405; box-shadow: 0 8px 24px rgba(255, 176, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .55); }
.btn.sig:hover { filter: brightness(1.05); box-shadow: 0 12px 30px rgba(255, 176, 0, .45), inset 0 1px 0 rgba(255, 255, 255, .55); }
.btn.ghost { background: transparent; color: var(--on-dark); box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, .25); }
.btn.ghost:hover { background: rgba(255, 255, 255, .06); }
.btn.ghost-l { background: rgba(255, 255, 255, .06); color: var(--on-dark); box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, .22); }
.btn.lg { padding: 16px 28px; font-size: 18px; border-radius: 16px; }
.btn.sm { padding: 9px 16px; font-size: 15px; border-radius: 12px; }
.btn.block { width: 100%; }

/* ---------- hlavička ---------- */
.top { position: sticky; top: 0; z-index: 50; background: rgba(11, 16, 21, .88); color: var(--on-dark); border-bottom: 1px solid rgba(255, 255, 255, .08); }
@supports (backdrop-filter: blur(1px)) { .top { background: rgba(11, 16, 21, .9); backdrop-filter: blur(14px) saturate(1.4); } }
.top::before { content: ''; display: block; height: 4px; background: repeating-linear-gradient(-45deg, var(--sig) 0 12px, var(--night) 12px 24px); }
.top-in { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 24px; letter-spacing: -.04em; text-decoration: none; color: var(--sig); }
.brand .mark { width: 30px; height: 30px; }
.brand.sm { font-size: 20px; }
.nav { display: flex; gap: 22px; margin-left: 12px; }
.nav a, .top .link { text-decoration: none; color: var(--on-dark-2); font-weight: 600; font-size: 15px; }
.nav a:hover, .top .link:hover { color: #fff; }
.top-cta { margin-left: auto; display: flex; align-items: center; gap: 16px; }
@media (max-width: 900px) { .nav { display: none; } }
@media (max-width: 420px) { .top .link { display: none; } .brand { font-size: 21px; } }

/* ---------- žák: kód hry ---------- */
.join { background: var(--night-2); color: var(--on-dark); border-bottom: 1px solid rgba(255, 255, 255, .06); }
.join-in { display: flex; align-items: center; gap: 12px 28px; padding-top: 16px; padding-bottom: 16px; flex-wrap: wrap; }
.join-txt { display: flex; align-items: center; gap: 12px; }
.join h2 { font-size: 20px; margin: 0; letter-spacing: -.015em; }
.pill { display: inline-block; background: rgba(255, 198, 26, .14); color: var(--sig); font-weight: 750; font-size: 13px; padding: 4px 10px; border-radius: 99px; text-transform: uppercase; letter-spacing: .06em; }
.join-form { display: flex; gap: 10px; flex: 1 1 360px; max-width: 460px; position: relative; flex-wrap: wrap; }
.join-form input { flex: 1 1 160px; min-width: 0; font: inherit; font-size: 24px; font-weight: 800; letter-spacing: .14em; text-align: center; color: var(--ink);
  background: #fff; border: 2px solid transparent; border-radius: 14px; padding: 9px 14px; }
.join-form input::placeholder { color: #b6bfcc; letter-spacing: .1em; }
.join-form input:focus { outline: none; border-color: var(--sig); box-shadow: 0 0 0 4px rgba(255, 198, 26, .3); }
.join-form .btn { font-size: 18px; }
.join-msg { flex-basis: 100%; margin: 0; font-size: 14px; font-weight: 600; color: #ffb4c0; min-height: 0; }
.join-msg:empty { display: none; }
.join-back { color: var(--sig); font-weight: 700; text-decoration: none; }
@media (max-width: 640px) {
  .join-in { padding-top: 18px; padding-bottom: 20px; }
  .join-txt { flex-direction: column; align-items: flex-start; gap: 6px; }
  .join h2 { font-size: 22px; }
  .join-form { flex-basis: 100%; max-width: none; }
}

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; color: var(--on-dark); background-color: var(--night);
  background-image:
    radial-gradient(900px 600px at 0% -10%, rgba(255, 198, 26, .16), transparent 60%),
    radial-gradient(800px 700px at 110% 110%, rgba(25, 211, 197, .13), transparent 60%),
    radial-gradient(rgba(255, 255, 255, .035) 1px, transparent 1.4px),
    linear-gradient(180deg, #111a22 0%, #0a0f14 100%);
  background-size: auto, auto, 6px 6px, auto; }
.hero-in { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding-top: 72px; padding-bottom: 88px; }
.eyebrow { color: #b8860b; font-weight: 750; font-size: 14px; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 12px; }
.hero .eyebrow, .dark .eyebrow { color: var(--sig); }
.hl { background: var(--gsig); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 20px; color: var(--on-dark-2); max-width: 36em; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 22px; }
.ticks { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--on-dark-2); font-weight: 600; font-size: 15px; }
.ticks li::before { content: '✓'; color: var(--sig); font-weight: 800; margin-right: 7px; }

/* makety plátna a mobilu */
.hero-art { position: relative; padding: 0 0 40px 0; }
.screen { background: linear-gradient(180deg, #17212b, #0e151c); border: 1px solid rgba(255, 255, 255, .1); border-radius: 22px; padding: 18px;
  box-shadow: 0 40px 80px rgba(0, 0, 0, .45), 0 0 0 8px rgba(255, 255, 255, .03); transform: perspective(1400px) rotateY(-7deg) rotateX(2deg); }
.scr-bar { display: flex; justify-content: space-between; align-items: center; font-size: 13px; font-weight: 700; color: var(--on-dark-2); margin-bottom: 8px; }
.scr-timer { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; border: 3px solid var(--sig); color: #fff; font-size: 15px; }
.scr-title { font-weight: 800; font-size: 19px; color: #fff; text-align: center; margin: 0 0 12px; letter-spacing: -.02em; }
.scr-img { border-radius: 12px; overflow: hidden; aspect-ratio: 16 / 8; background: #2b3540; }
.scr-img img { width: 100%; height: 100%; object-fit: cover; }
.scr-ans { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 12px; }
.scr-ans span, .ph-ans span { color: #fff; font-weight: 750; border-radius: 10px; box-shadow: inset 0 -3px 0 rgba(0, 0, 0, .18); }
.scr-ans span { padding: 10px 12px; font-size: 14px; display: flex; align-items: center; gap: 10px; }
.scr-ans b { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 7px; background: rgba(255, 255, 255, .25); font-size: 13px; flex: none; }
.a0 { background: var(--g0); } .a1 { background: var(--g1); } .a2 { background: var(--g2); } .a3 { background: var(--g3); }
.phone { position: absolute; right: -48px; bottom: -30px; width: 168px; background: #0b1015; border-radius: 30px; padding: 22px 12px 14px;
  border: 6px solid #1f2a35; box-shadow: 0 30px 60px rgba(0, 0, 0, .55); animation: float 6s ease-in-out infinite; }
.ph-notch { position: absolute; top: 8px; left: 50%; width: 46px; height: 6px; margin-left: -23px; background: #1f2a35; border-radius: 9px; }
.ph-nick { color: #fff; font-weight: 750; font-size: 13px; text-align: center; margin: 0 0 10px; }
.ph-ans { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.ph-ans span { display: grid; place-items: center; height: 70px; font-size: 26px; }
.ph-ans span.a2 { outline: 3px solid #fff; outline-offset: -3px; }
.ph-streak { color: var(--sig); font-size: 12px; font-weight: 750; text-align: center; margin: 10px 0 0; }
@keyframes float { 50% { transform: translateY(-10px); } }
@media (max-width: 960px) {
  .hero-in { grid-template-columns: 1fr; padding-top: 48px; padding-bottom: 56px; gap: 36px; }
  .hero-art { max-width: 560px; margin: 0 auto; width: 100%; }
  .screen { transform: none; }
  .phone { right: -4px; width: 132px; }
  .ph-ans span { height: 52px; font-size: 20px; }
}
@media (max-width: 480px) { .lead { font-size: 18px; } .cta-row .btn { width: 100%; } .scr-ans span { font-size: 12px; padding: 8px; } .phone { display: none; } .hero-art { padding-bottom: 0; } }

/* ---------- čísla ---------- */
.stats { background: var(--night-2); color: var(--on-dark); border-top: 1px solid rgba(255, 255, 255, .06); }
.stats-in { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-top: 30px; padding-bottom: 30px; }
.stats b { display: block; font-size: clamp(28px, 3.2vw, 40px); font-weight: 800; color: var(--sig); letter-spacing: -.03em; line-height: 1.1; }
.stats span { color: var(--on-dark-2); font-size: 15px; font-weight: 600; }
@media (max-width: 760px) { .stats-in { grid-template-columns: 1fr 1fr; } }

/* ---------- sekce ---------- */
.sec { padding: 96px 0; background: var(--paper); }
.sec.soft { background: var(--soft); }
.sec.dark { background: var(--night); color: var(--on-dark); }
.sec .sub { font-size: 19px; color: var(--muted); max-width: 40em; margin-bottom: 40px; }
.sec.dark .sub { color: var(--on-dark-2); }
.center { text-align: center; margin-top: 36px; }
.note { margin-top: 28px; color: var(--muted); font-weight: 600; }
@media (max-width: 640px) { .sec { padding: 64px 0; } .sec .sub { font-size: 17px; } }

.steps { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.steps li { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 28px; box-shadow: var(--sh); }
.steps p { color: var(--muted); margin: 0; }
.num { display: grid; place-items: center; width: 48px; height: 48px; background: var(--gsig); color: #1a1405; font-weight: 800; font-size: 20px;
  margin-bottom: 18px; clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* typy otázek */
.types { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.type { background: rgba(255, 255, 255, .045); border: 1px solid rgba(255, 255, 255, .09); border-radius: var(--r); padding: 22px; transition: border-color .2s, transform .2s; }
.type:hover { border-color: rgba(255, 198, 26, .45); transform: translateY(-2px); }
.type h3 { color: #fff; font-size: 18px; margin-bottom: 6px; }
.type p { color: var(--on-dark-2); font-size: 15px; margin: 0; }
.type.big { grid-column: span 2; }
.type-art { border-radius: 12px; overflow: hidden; margin-bottom: 16px; aspect-ratio: 16 / 7; background: #26313b; }
.type-art.img img { width: 100%; height: 100%; object-fit: cover; }
.stopline { position: relative; background: linear-gradient(180deg, #3a4550, #2a333c); }
.stopline::before { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, transparent 0 40px, rgba(255, 255, 255, .7) 40px 70px) center / 100% 4px no-repeat; }
.stopline .line { position: absolute; right: 18%; top: 12%; bottom: 12%; width: 10px; background: #fff; border-radius: 2px; }
.stopline .car { position: absolute; left: 6%; top: 58%; width: 74px; height: 36px; border-radius: 10px; background: var(--gsig); box-shadow: 0 6px 16px rgba(0, 0, 0, .4);
  animation: drive 3.2s cubic-bezier(.2, .7, .35, 1) infinite; }
.stopline .car::after { content: ''; position: absolute; left: 14px; right: 26px; top: 6px; bottom: 6px; background: rgba(15, 23, 42, .55); border-radius: 6px; }
@keyframes drive { 0% { left: 4%; } 70%, 100% { left: calc(82% - 84px); } }
@media (max-width: 1000px) { .types { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .types { grid-template-columns: 1fr; } .type.big { grid-column: auto; } }

/* pro učitele */
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .two { grid-template-columns: 1fr; gap: 36px; } }
.feat { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.feat li { padding-left: 32px; position: relative; color: var(--muted); }
.feat li b { color: var(--ink); }
.feat li::before { content: ''; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%; background: var(--gsig); }
.feat li::after { content: '✓'; position: absolute; left: 5px; top: 1px; font-size: 13px; font-weight: 900; color: #1a1405; }
.report { background: var(--paper); border: 1px solid var(--line); border-radius: 22px; padding: 26px; box-shadow: 0 30px 60px rgba(15, 23, 42, .12); }
.rep-h { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 18px; gap: 12px; }
.rep-h span { color: var(--muted); font-size: 14px; font-weight: 600; }
.rep-row { display: grid; grid-template-columns: 1.3fr 1fr 48px; align-items: center; gap: 12px; padding: 9px 0; border-top: 1px solid var(--line); font-size: 15px; font-weight: 600; }
.rep-row i { height: 10px; border-radius: 99px; background: linear-gradient(90deg, #16a34a var(--v), #edf0f5 var(--v)); }
.rep-row i.mid { background: linear-gradient(90deg, #f59e0b var(--v), #edf0f5 var(--v)); }
.rep-row i.low { background: linear-gradient(90deg, #e11d48 var(--v), #edf0f5 var(--v)); }
.rep-row em { font-style: normal; text-align: right; font-weight: 800; }
.rep-tip { margin: 16px 0 0; background: #fff8e1; border-radius: 12px; padding: 12px 14px; font-size: 14px; font-weight: 600; color: #6b4e00; }
@media (max-width: 480px) { .rep-row { grid-template-columns: 1fr 70px 40px; font-size: 13px; } .report { padding: 18px; } }

/* knihovna */
.libs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
.lib { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 28px; box-shadow: var(--sh); }
.lib-n { display: block; font-size: 42px; font-weight: 800; letter-spacing: -.04em; line-height: 1; margin-bottom: 14px;
  background: linear-gradient(135deg, #f0a500, #c97d00); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lib p { color: var(--muted); margin: 0; }
@media (max-width: 860px) { .libs { grid-template-columns: 1fr; } }

/* cena */
.plans { display: grid; grid-template-columns: 1fr 1.15fr; gap: 22px; max-width: 900px; align-items: stretch; }
.plan { border-radius: 24px; padding: 32px; display: flex; flex-direction: column; position: relative; }
.plan.free { background: rgba(255, 255, 255, .045); border: 1px solid rgba(255, 255, 255, .1); }
.plan.pro { background: linear-gradient(180deg, #1c2632, #121a22); border: 2px solid var(--sig); box-shadow: 0 30px 80px rgba(255, 176, 0, .15); }
.plan h3 { font-size: 24px; color: #fff; margin-bottom: 2px; }
.plan .who { color: var(--on-dark-2); font-size: 15px; margin-bottom: 18px; }
.price { margin: 0; display: flex; align-items: baseline; gap: 8px; }
.price b { font-size: 54px; font-weight: 800; letter-spacing: -.04em; color: #fff; line-height: 1; }
.plan.pro .price b { color: var(--sig); }
.price span { color: var(--on-dark-2); font-weight: 700; font-size: 18px; }
.price-n { color: var(--on-dark-2); font-size: 14px; font-weight: 600; margin: 6px 0 0; }
.plan ul { list-style: none; padding: 0; margin: 24px 0 28px; display: grid; gap: 10px; flex: 1; }
.plan li { padding-left: 28px; position: relative; color: var(--on-dark); font-size: 16px; }
.plan li::before { content: '✓'; position: absolute; left: 0; color: var(--sig); font-weight: 900; }
.badge { position: absolute; top: -14px; left: 32px; background: var(--gsig); color: #1a1405; font-weight: 800; font-size: 13px; padding: 5px 12px; border-radius: 99px; text-transform: uppercase; letter-spacing: .06em; }
@media (max-width: 760px) { .plans { grid-template-columns: 1fr; } .plan.pro { order: -1; } .plan { padding: 26px; } }

/* FAQ */
.faq { margin-top: 32px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; font-weight: 750; font-size: 18px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 4px; top: 14px; font-size: 28px; font-weight: 500; color: #c08a00; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); margin: 0 0 20px; max-width: 44em; }

/* formulář */
.cta-sec { background: linear-gradient(180deg, var(--soft), #fff); }
.price-mini { display: inline-block; margin-top: 8px; background: var(--night); color: var(--on-dark); border-radius: 16px; padding: 16px 22px; font-weight: 600; }
.price-mini b { color: var(--sig); font-size: 26px; }
.price-mini span { color: var(--on-dark-2); font-size: 14px; }
.lead-form { background: var(--paper); border: 1px solid var(--line); border-radius: 24px; padding: 28px; box-shadow: 0 30px 60px rgba(15, 23, 42, .1); display: grid; gap: 14px; }
.lead-form label { display: grid; gap: 6px; font-weight: 700; font-size: 14px; }
.lead-form small { color: var(--muted); font-weight: 600; }
.lead-form input, .lead-form textarea { font: inherit; font-size: 16px; font-weight: 500; color: var(--ink); background: #f8fafc; border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 14px; width: 100%; }
.lead-form input:focus, .lead-form textarea:focus { outline: none; border-color: #f5b400; box-shadow: 0 0 0 4px rgba(255, 198, 26, .25); background: #fff; }
.lead-form textarea { resize: vertical; }
.lead-form [aria-invalid="true"] { border-color: #e11d48; }
.f2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .f2 { grid-template-columns: 1fr; } .lead-form { padding: 20px; } }
.hp { position: absolute; left: -9999px; }
.lead-msg { margin: 0; font-weight: 700; font-size: 15px; }
.lead-msg:empty { display: none; }
.lead-msg.err { color: #be123c; }
.lead-form.sent { text-align: center; padding: 48px 28px; }
.lead-form.sent h3 { font-size: 26px; }
.lead-form.sent p { color: var(--muted); }

/* patička */
.foot { background: var(--night); color: var(--on-dark-2); padding: 32px 0 40px; font-size: 15px; }
.foot-in { display: flex; align-items: center; gap: 16px 28px; flex-wrap: wrap; }
.foot nav { display: flex; gap: 20px; flex-wrap: wrap; }
.foot a { text-decoration: none; }
.foot a:hover { color: #fff; }
.foot .muted { margin-left: auto; }
@media (max-width: 640px) { .foot .muted { margin-left: 0; } .foot { padding-bottom: 96px; } }

/* lepicí lišta na mobilu */
.sticky { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 60; display: none; align-items: center; justify-content: space-between; gap: 12px;
  background: rgba(11, 16, 21, .96); color: var(--on-dark); border: 1px solid rgba(255, 255, 255, .12); border-radius: 18px; padding: 10px 10px 10px 18px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, .35); transform: translateY(140%); transition: transform .3s ease; }
.sticky b { color: var(--sig); }
.sticky span { font-size: 15px; font-weight: 600; }
.sticky.on { transform: none; }
@media (max-width: 760px) { .sticky { display: flex; } }