:root {
  --ink: #1c2a2e;
  --ink-soft: #4d5d62;
  --bg: #f6f3ee;
  --card: #ffffff;
  --line: #e2dcd2;
  --accent: #1f5c57;
  --accent-dark: #174643;
  --accent-soft: #e4efec;
  --warn-soft: #f6ead2;
  --bubble: #ecebe8;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
a { color: var(--accent); }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 720px; }

/* hlavička */
.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(246, 243, 238, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; }
.brand { font-weight: 700; color: var(--ink); text-decoration: none; font-size: 1.02rem; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { color: var(--ink-soft); text-decoration: none; font-size: 0.95rem; }
.nav a:hover { color: var(--ink); }
.nav a.btn { color: #fff; }

.btn {
  display: inline-block; border: 0; cursor: pointer;
  background: var(--accent); color: #fff; text-decoration: none;
  font: inherit; font-weight: 600;
  padding: 12px 22px; border-radius: 10px;
}
.btn:hover { background: var(--accent-dark); }
.btn.small { padding: 8px 14px; font-size: 0.92rem; }
.btn.ghost { background: transparent; color: var(--accent); box-shadow: inset 0 0 0 1.5px var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid #e0a43a; outline-offset: 2px; }

/* úvod */
.hero { padding: 72px 0 56px; }
.hero p.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 640px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

section { padding: 56px 0; }
section.alt { background: #efeae2; }
.kicker { text-transform: uppercase; letter-spacing: 0.06em; font-size: 1.05rem; font-weight: 800; color: var(--accent); margin-bottom: 12px; }
.intro { color: var(--ink-soft); max-width: 680px; }

/* situace */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 28px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; }
.card p { margin: 0; }

/* ukázka */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 18px; }
.tab {
  font: inherit; font-weight: 600; cursor: pointer;
  background: var(--card); color: var(--ink-soft);
  border: 1px solid var(--line); border-radius: 999px; padding: 9px 18px;
}
.tab[aria-selected="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.demo { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.panel h3 { margin-bottom: 12px; }
.label { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-soft); margin: 0 0 8px; }
.bubble { background: var(--bubble); border-radius: 16px 16px 16px 4px; padding: 14px 16px; margin: 0 0 18px; }
.reply { background: var(--accent-soft); border-radius: 16px 16px 4px 16px; padding: 14px 16px; margin: 0 0 12px; }
.reply:last-of-type { margin-bottom: 0; }
.split { list-style: none; padding: 0; margin: 0 0 16px; }
.split li { padding: 10px 0; border-top: 1px solid var(--line); }
.split li:first-child { border-top: 0; padding-top: 0; }
.split strong { display: block; font-size: 0.92rem; }
.verdict { display: inline-block; font-weight: 700; padding: 6px 12px; border-radius: 8px; background: var(--accent-soft); color: var(--accent-dark); margin-bottom: 14px; }
.verdict.wait { background: var(--warn-soft); color: #7a5410; }
.why { color: var(--ink-soft); font-size: 0.95rem; margin: 14px 0 0; }
.note { color: var(--ink-soft); font-size: 0.92rem; margin-top: 18px; }
[hidden] { display: none !important; }

/* pravidla */
.rules { list-style: none; counter-reset: r; padding: 0; margin: 28px 0 0; }
.rules li { counter-increment: r; position: relative; padding: 16px 0 16px 54px; border-top: 1px solid var(--line); }
.rules li::before {
  content: counter(r); position: absolute; left: 0; top: 16px;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent); color: #fff; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.rules strong { display: block; }
.rules span { color: var(--ink-soft); }

/* odpovědi */
.signup { background: var(--ink); color: #fff; border-radius: 20px; padding: 40px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 36px; align-items: center; }
.signup h2 { color: #fff; }
.signup > div > p { color: #c9d3d3; }
.signup ul { margin: 0; padding-left: 20px; color: #c9d3d3; }
.form { background: #fff; color: var(--ink); border-radius: var(--radius); padding: 24px; }
.form label { display: block; font-weight: 600; margin-bottom: 6px; }
.form input[type="email"] { width: 100%; font: inherit; padding: 12px 14px; border: 1.5px solid #cfc8bc; border-radius: 10px; }
.form input[aria-invalid="true"] { border-color: #b3261e; }
.check { display: flex; gap: 10px; align-items: flex-start; margin: 14px 0; font-size: 0.92rem; color: var(--ink-soft); }
.check input { margin-top: 5px; width: 18px; height: 18px; flex: none; }
.check label { font-weight: 400; margin: 0; }
.form .btn { width: 100%; }
.error { color: #b3261e; font-size: 0.92rem; margin: 6px 0 0; min-height: 1.2em; }
.form .fine { font-size: 0.85rem; color: var(--ink-soft); margin: 12px 0 0; }
.hp { position: absolute; left: -9999px; }

/* připravujeme */
.soon { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.soon .card { position: relative; padding-top: 44px; }
.tag { position: absolute; top: 16px; left: 22px; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; background: var(--warn-soft); color: #7a5410; padding: 3px 9px; border-radius: 6px; }
.tag.first { background: var(--accent-soft); color: var(--accent-dark); }

/* patička */
footer { padding: 36px 0 48px; color: var(--ink-soft); font-size: 0.9rem; border-top: 1px solid var(--line); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; }

/* podstránky */
.page { padding: 48px 0 64px; }
.page h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
.item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; margin: 0 0 16px; break-inside: avoid; }
.item h2 { font-size: 1.15rem; margin-bottom: 8px; }
.item .reply { margin: 12px 0; }
.item p:last-child { margin-bottom: 0; }
.todo { background: var(--warn-soft); border: 1px dashed #c79a3b; border-radius: 10px; padding: 12px 16px; }
.back { display: inline-block; margin-bottom: 20px; }

@media (max-width: 820px) {
  .nav a:not(.btn) { display: none; }
  .cards, .demo, .soon, .signup { grid-template-columns: 1fr; }
  .signup { padding: 26px 20px; }
  .hero { padding: 48px 0 36px; }
  section { padding: 44px 0; }
}

@media print {
  .top, footer, .back, .noprint { display: none; }
  body { background: #fff; font-size: 12pt; }
  .item { border-color: #999; }
}

.brand, .top .btn { white-space: nowrap; }
@media (max-width: 420px) {
  .brand { font-size: 0.92rem; }
  .top .btn.small { padding: 7px 11px; font-size: 0.86rem; }
}

#hranice .card .bubble, #hranice .card .reply { margin-bottom: 0; }
#hranice .narrow { margin-top: 32px; }

.punch { font-size: 1.25rem; font-weight: 700; margin: 0; }
.more { margin: 24px 0 0; }
#pisemne .demo { align-items: center; margin-top: 8px; }
.rules.compact { margin-top: 8px; }
.rules.compact li { padding: 10px 0 10px 44px; }
.rules.compact li::before { width: 28px; height: 28px; top: 9px; font-size: 0.85rem; }
.rules.compact strong { display: inline; }
h2.sub { margin: 32px 0 16px; }

.callout { background: var(--ink); color: #fff; border-radius: var(--radius); padding: 24px 28px; margin-top: 8px; border-left: 6px solid #e0a43a; }
.callout h3 { font-size: 1.45rem; margin-bottom: 6px; color: #fff; }
.callout p { margin: 0; color: #dfe6e6; font-size: 1.05rem; max-width: 720px; }

.callout + .callout { margin-top: 16px; }

.panel .why + .label { margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--line); }
.panel .reply:last-of-type { margin-bottom: 12px; }

/* ilustrace a avatar */
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.phone { background: #1c2a2e; border-radius: 46px; padding: 10px; box-shadow: 0 24px 50px rgba(28, 42, 46, 0.22), inset 0 0 0 2px #3a4a4f; width: 100%; max-width: 330px; justify-self: end; }
.screen { background: #fff; border-radius: 37px; padding: 0 14px 14px; overflow: hidden; }
.phone p { font-size: 0.93rem; line-height: 1.45; }
.status { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 12px 10px 8px; font-size: 0.8rem; font-weight: 700; }
.status .island { width: 84px; height: 24px; border-radius: 14px; background: #111618; }
.status svg { width: 46px; height: 12px; justify-self: end; fill: currentColor; color: var(--ink); }
.contact { display: grid; grid-template-columns: 24px 1fr 24px; align-items: center; justify-items: center; border-bottom: 1px solid var(--line); padding: 4px 0 10px; margin: 0 -14px 12px; padding-left: 14px; padding-right: 14px; }
.contact .chev { font-size: 1.7rem; line-height: 1; color: #2f7fd6; }
.contact .dot { width: 40px; height: 40px; border-radius: 50%; background: #c9c5bd; color: #fff; font-weight: 700; font-size: 0.8rem; display: flex; align-items: center; justify-content: center; }
.phone .time { text-align: center; font-size: 0.72rem; color: #8a8f91; margin: 0 0 8px; }
.phone .bubble { margin: 0 40px 14px 0; padding: 10px 14px; border-radius: 18px 18px 18px 5px; }
.phone .draft { margin: 0 0 4px 40px; border: 1.5px dashed #cfc8bc; border-radius: 18px 18px 5px 18px; padding: 10px 14px; color: #9a8f80; text-decoration: line-through; }
.phone .reply { margin: 0 0 4px 40px; padding: 10px 14px; border-radius: 18px 18px 5px 18px; background: var(--accent); color: #fff; }
.phone .meta { font-size: 0.72rem; color: #8a8f91; text-align: right; margin: 0 0 14px; }
.composer { display: flex; align-items: center; justify-content: space-between; border: 1px solid #d6d2ca; border-radius: 999px; padding: 6px 6px 6px 14px; color: #a7a39b; font-size: 0.88rem; margin-top: 4px; }
.composer .send { width: 26px; height: 26px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.9rem; }
.card.with-ico { display: flex; gap: 14px; align-items: flex-start; }
.ico { width: 40px; height: 40px; flex: none; }
.author { display: flex; gap: 28px; align-items: flex-start; margin-top: 20px; }
.avatar { width: 160px; height: 160px; flex: none; }
@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .phone { justify-self: center; }
  .author { flex-direction: column; gap: 14px; }
  .avatar { width: 130px; height: 130px; }
}
@media print { .phone { display: none; } }

/* širší rozvržení na monitoru */
.wrap { max-width: 1280px; padding: 0 32px; }
.narrow { max-width: 860px; }
.intro { max-width: 760px; }
.hero p.lead { max-width: 700px; }
.callout p { max-width: 900px; }
@media (min-width: 1500px) {
  body { font-size: 18px; }
  .wrap { max-width: 1400px; }
  .narrow { max-width: 920px; }
  .phone { max-width: 360px; }
}
@media (max-width: 820px) {
  .wrap { padding: 0 20px; }
}

/* posuvná konverzace v telefonu */
.phone-col { width: 100%; max-width: 330px; justify-self: end; }
.phone-col .phone { max-width: none; }
.thread { height: 340px; overflow-y: auto; overscroll-behavior: contain; margin: 0 -6px; padding: 0 6px; scrollbar-width: thin; }
.thread:focus-visible { outline: 3px solid #e0a43a; outline-offset: 2px; border-radius: 8px; }
.phone .meta.left { text-align: left; margin-top: -8px; }
.phone-hint { text-align: center; font-size: 0.88rem; color: var(--ink-soft); margin: 14px 0 0; }
@media (min-width: 1500px) { .phone-col { max-width: 360px; } }
@media (max-width: 820px) { .phone-col { justify-self: center; } }
@media print { .phone-col { display: none; } }

/* akční tlačítka v odlišné barvě */
.btn, .nav a.btn { background: #e0a43a; color: var(--ink); }
.btn:hover, .nav a.btn:hover { background: #cf9226; color: var(--ink); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); color: var(--accent); }
.btn:focus-visible { outline-color: var(--ink); }
.item h3 { font-size: 1.15rem; margin-bottom: 8px; }

/* tablet na výšku: dva sloupce tam, kde je místo */
@media (min-width: 641px) and (max-width: 820px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .soon { grid-template-columns: repeat(3, 1fr); }
  .hero-grid { grid-template-columns: 1fr 300px; gap: 28px; }
  .phone-col { justify-self: end; }
  .author { flex-direction: row; gap: 24px; }
}

/* dotykové displeje */
@media (hover: none) {
  .thread { overscroll-behavior: auto; }
}
@media (max-width: 820px) {
  .top .btn.small { padding: 10px 14px; }
  .tab { padding: 11px 18px; }
}

/* název projektu v hlavičce */
.brand { font-size: 1.3rem; font-weight: 800; letter-spacing: -0.01em; display: inline-flex; align-items: center; gap: 8px; }
.brand .ex { background: var(--accent); color: #fff; border-radius: 8px; padding: 2px 9px; letter-spacing: 0.02em; }
@media (max-width: 420px) {
  .brand { font-size: 1.05rem; gap: 6px; }
  .brand .ex { padding: 1px 7px; }
}

/* srovnání dvou zpráv u hranic */
#hranice .cmp { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
#hranice .cmp .label { display: flex; align-items: center; gap: 10px; margin: 0; padding: 14px 22px; font-size: 0.95rem; letter-spacing: 0.04em; }
#hranice .cmp .label::before { width: 26px; height: 26px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 0.85rem; flex: none; }
#hranice .cmp.bad .label { background: #f7e4e0; color: #8f2a20; }
#hranice .cmp.bad .label::before { content: "✕"; background: #b3493d; }
#hranice .cmp.good .label { background: var(--accent-soft); color: var(--accent-dark); }
#hranice .cmp.good .label::before { content: "✓"; background: var(--accent); }
#hranice .cmp .bubble, #hranice .cmp .reply { margin: 22px 22px 0; padding: 16px 18px; font-size: 1.1rem; line-height: 1.5; }
#hranice .cmp .why { margin: 16px 22px 22px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 1rem; margin-top: auto; }
#hranice .cmp .bubble + .why, #hranice .cmp .reply + .why { margin-top: 18px; }
#hranice .cmp.bad { border-color: #e8cdc7; }
#hranice .cmp.good { border-color: #c5ddd7; }
#hranice .cmp .bubble, #hranice .cmp .reply { margin-bottom: 18px; }
#hranice .cmp .bubble + .why, #hranice .cmp .reply + .why { margin-top: auto; }

/* Na čem pracuji dál: 4 karty s cenou */
.soon { grid-template-columns: repeat(4, 1fr); }
.soon .card { display: flex; flex-direction: column; }
.soon .price { margin-top: auto; padding-top: 12px; font-weight: 700; color: var(--accent-dark); }
.soon .price a { color: var(--accent-dark); }
.note-small { margin-top: 14px; font-size: 0.9rem; color: var(--ink-soft); }
@media (max-width: 1100px) { .soon { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .soon { grid-template-columns: 1fr; } }

/* objednávka konzultace */
.form.order { margin-top: 28px; border: 1px solid var(--line); }
.form input[type="text"], .form select, .form textarea { width: 100%; font: inherit; padding: 12px 14px; border: 1.5px solid #cfc8bc; border-radius: 10px; background: #fff; color: var(--ink); }
.form.order label:not(.check label) { margin-top: 14px; }
.form textarea { resize: vertical; }
.page .item ul { padding-left: 1.2em; margin: 8px 0; }
.page .item li { margin: 4px 0; }
.page .fine { font-size: 0.9rem; color: var(--ink-soft); }