/* Kancl.ai – vlastní vizuální systém (teplý papír, inkoust, terakota). */
:root {
  color-scheme: light;
  --paper: #faf8f3;
  --paper-2: #f3efe6;
  --card: #ffffff;
  --line: #e4ded2;
  --line-strong: #cfc7b7;
  --ink: #1a1915;
  --ink-2: #3d3a33;
  --muted: #6b665c;
  --accent: #c2410c;
  --accent-2: #9a3412;
  --accent-soft: #f8e9df;
  --accent-ink: #7c2d12;
  --ok: #2f6b4a;
  --font-body: "Inter Variable", Inter, system-ui, sans-serif;
  --font-heading: "Onest Variable", Onest, system-ui, sans-serif;
  --font-mono: "JetBrains Mono Variable", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 20px;
  --radius-s: 12px;
  --shadow: 0 1px 2px #1a191508, 0 12px 32px -16px #1a191533;
  --gutter: clamp(1.2rem, 4vw, 3rem);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 1rem/1.65 var(--font-body); -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, p, blockquote, figure { margin: 0; }
a { color: inherit; text-underline-offset: .2em; }
a:hover { color: var(--accent-2); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 4px; }
img { max-width: 100%; height: auto; }
code { font: .9em var(--font-mono); background: var(--paper-2); padding: .1em .4em; border-radius: 6px; }
::selection { background: var(--accent-soft); color: var(--ink); }
.wrap { max-width: 1180px; margin: auto; padding: 0 var(--gutter); }
.skip-link { position: absolute; top: .5rem; left: .5rem; transform: translateY(-160%); background: var(--ink); color: #fff; padding: .6rem 1rem; z-index: 50; border-radius: 8px; }
.skip-link:focus { transform: none; color: #fff; }

/* Typografie */
h1 { font: 700 clamp(2.6rem, 6vw, 4.8rem)/1.02 var(--font-heading); letter-spacing: -.035em; text-wrap: balance; }
h2 { font: 700 clamp(1.8rem, 3.4vw, 2.6rem)/1.12 var(--font-heading); letter-spacing: -.025em; text-wrap: balance; }
h3 { font: 650 1.25rem/1.25 var(--font-heading); letter-spacing: -.015em; }
h4 { font: 650 1rem/1.4 var(--font-heading); }
.dot { color: var(--accent); }
.eyebrow { font: 500 .72rem/1.5 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--accent); }
.lead { font-size: clamp(1.05rem, 1.4vw, 1.2rem); color: var(--ink-2); max-width: 56ch; text-wrap: pretty; }
.muted { color: var(--muted); }

/* Horní lišta */
.topbar { position: sticky; top: 0; z-index: 40; background: #faf8f3cc; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.site-nav { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .9rem 0; }
.site-nav a { text-decoration: none; }
.site-nav .wordmark { font: 700 1.55rem/1.2 var(--font-heading); letter-spacing: -.03em; }
.wordmark span { color: var(--accent); }
.site-nav > div { display: flex; align-items: center; gap: clamp(.9rem, 2.4vw, 1.8rem); font-size: .9rem; font-weight: 500; }
.site-nav > div a { color: var(--ink-2); }
.site-nav > div a:hover { color: var(--ink); }
.site-nav .nav-contact { color: #fff; background: var(--ink); padding: .5rem 1rem; border-radius: 999px; font-family: var(--font-heading); font-weight: 600; }
.site-nav .nav-contact:hover { background: var(--accent); color: #fff; }

/* Tlačítka, odkazy */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .6rem; padding: .85rem 1.35rem; background: var(--accent); color: #fff; border: 1px solid var(--accent); border-radius: 999px; text-decoration: none; font-family: var(--font-heading); font-size: .95rem; font-weight: 600; transition: background .15s, transform .15s, border-color .15s; }
.btn:hover { color: #fff; background: var(--accent-2); border-color: var(--accent-2); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn.ghost:hover { border-color: var(--ink); background: var(--card); color: var(--ink); }
.text-link { display: inline-flex; gap: .5rem; align-items: center; color: var(--accent); font-weight: 600; text-decoration: none; border-bottom: 1px solid transparent; }
.text-link:hover { border-bottom-color: var(--accent); }
.pill { display: inline-flex; align-items: center; gap: .55rem; padding: .35rem .85rem .35rem .6rem; border: 1px solid var(--line-strong); border-radius: 999px; font: 500 .74rem/1.4 var(--font-mono); color: var(--ink-2); background: var(--card); letter-spacing: .02em; }
.pill i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* Hero */
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; padding: clamp(3rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem); }
.hero-copy h1 { margin: 1.3rem 0 1.2rem; font-size: clamp(2.5rem, 5.2vw, 4.1rem); text-wrap: initial; }
.hero-copy h1 em { font-style: normal; color: var(--accent); }
.hero .lead { margin-bottom: 2rem; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.hero-note { margin-top: 1.4rem; font-size: .82rem; color: var(--muted); max-width: 46ch; }
.hero-art { position: relative; margin: 0; }
.hero-art::before { content: ''; position: absolute; inset: 8% -6% -4% 10%; background: var(--paper-2); border-radius: 32px; z-index: 0; }
.hero-art img { position: relative; z-index: 1; width: 100%; display: block; border-radius: 24px; mix-blend-mode: multiply; }
.hero-art figcaption { position: relative; z-index: 1; margin-top: 1rem; font: 600 .9rem/1.5 var(--font-heading); }
.hero-art figcaption span { display: block; font: .82rem/1.6 var(--font-body); color: var(--muted); }

/* Pruh faktů */
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; border-block: 1px solid var(--line); padding: 1.6rem 0; }
.facts strong { display: block; font: 650 1.02rem/1.5 var(--font-heading); }
.facts span { color: var(--muted); font-size: .85rem; }

/* Sekce */
.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-intro { max-width: 700px; margin-bottom: clamp(1.8rem, 3vw, 2.6rem); }
.section-intro h2 { margin: .7rem 0 1rem; }
.section-intro p { color: var(--ink-2); text-wrap: pretty; }

/* Bento */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1rem; }
.tile { grid-column: span 2; display: flex; flex-direction: column; gap: .7rem; padding: 1.7rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); transition: transform .2s, border-color .2s; }
.tile:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.tile.wide { grid-column: span 4; }
.tile.tone { background: var(--accent-soft); border-color: #f0d3c2; }
.tile.dark { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.tile.dark .eyebrow { color: #f3a67f; }
.tile.dark p, .tile.dark ul { color: #d8d3c7; }
.tile.dark a { color: #f3a67f; }
.tile .num { font: 400 .75rem/1.5 var(--font-mono); color: var(--accent); letter-spacing: .06em; }
.tile h3 { font-size: 1.35rem; }
.tile p { color: var(--muted); font-size: .95rem; text-wrap: pretty; }
.tile a { margin-top: auto; padding-top: .6rem; font-size: .88rem; font-weight: 600; color: var(--accent); text-decoration: none; }
.tile a:hover { text-decoration: underline; }
.tile ul { list-style: none; margin: .3rem 0 0; padding: 0; display: grid; gap: .45rem; font-size: .9rem; color: var(--ink-2); }
.tile ul li { display: flex; gap: .6rem; align-items: baseline; }
.tile ul li::before { content: '→'; color: var(--accent); font-family: var(--font-mono); }
.flow { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .4rem; }
.flow span { font: 500 .74rem/1.4 var(--font-mono); padding: .3rem .6rem; border-radius: 8px; background: var(--paper-2); color: var(--ink-2); }
.flow span.now { background: var(--ink); color: var(--paper); }

/* Asistent: text + mock obrazovka */
.assistant { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.assistant .section-intro { margin-bottom: 0; }
.scenarios { display: grid; gap: .9rem; margin-top: 1.8rem; }
.scenarios > div { display: grid; grid-template-columns: auto 1fr; gap: .9rem; align-items: baseline; padding-top: .9rem; border-top: 1px solid var(--line); }
.scenarios .num { font: 400 .75rem/1.5 var(--font-mono); color: var(--accent); }
.scenarios h4 { margin-bottom: .2rem; }
.scenarios p { font-size: .9rem; color: var(--muted); }

.mock { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 2px 4px #1a191508, 0 30px 60px -30px #1a191540; overflow: hidden; font-size: .9rem; }
.mock-bar { display: flex; align-items: center; gap: .6rem; padding: .7rem 1rem; border-bottom: 1px solid var(--line); background: var(--paper); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
.mock-bar span { margin-left: .4rem; font: 500 .72rem/1.4 var(--font-mono); color: var(--muted); }
.mock-body { padding: 1.2rem 1.2rem 1.4rem; display: grid; gap: 1rem; }
.msg { max-width: 85%; padding: .7rem 1rem; border-radius: 16px; line-height: 1.5; }
.msg.user { justify-self: end; background: var(--ink); color: var(--paper); border-bottom-right-radius: 4px; }
.msg.bot { background: var(--paper-2); border-bottom-left-radius: 4px; color: var(--ink-2); }
.doc { border: 1px solid var(--line); border-radius: var(--radius-s); overflow: hidden; }
.doc-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .7rem 1rem; background: var(--paper); border-bottom: 1px solid var(--line); }
.doc-head strong { font: 650 .95rem/1.4 var(--font-heading); }
.doc-head span { font: 400 .72rem/1.4 var(--font-mono); color: var(--muted); }
.doc table { width: 100%; border-collapse: collapse; }
.doc td { padding: .55rem 1rem; border-top: 1px solid var(--line); vertical-align: top; }
.doc tr:first-child td { border-top: 0; }
.doc td:last-child { text-align: right; font-family: var(--font-mono); font-size: .82rem; white-space: nowrap; }
.doc td small { display: block; color: var(--muted); font-size: .78rem; }
.doc tr.sum td { background: var(--paper); font-weight: 600; }
.doc tr.sum td:last-child { color: var(--ink); font-weight: 600; }
.doc-note { display: flex; gap: .6rem; align-items: flex-start; padding: .7rem 1rem; background: #fff8e6; border-top: 1px solid #f3e3b4; color: #6b4f00; font-size: .82rem; }
.doc-note b { font-family: var(--font-mono); font-weight: 500; }
.doc-actions { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; padding: .9rem 1rem; border-top: 1px solid var(--line); }
.doc-actions .btn { padding: .55rem 1rem; font-size: .85rem; }
.doc-actions .who { margin-left: auto; font: 400 .72rem/1.4 var(--font-mono); color: var(--muted); }
.doc-actions .who i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #d49a1c; margin-right: .4rem; }

/* Pro koho */
.card-art { aspect-ratio: 1; width: 170px; margin: -.4rem 0 .3rem -.3rem; }
.card-art img { width: 100%; height: 100%; object-fit: contain; display: block; mix-blend-mode: multiply; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card { display: flex; flex-direction: column; gap: .6rem; padding: 1.6rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; box-shadow: var(--shadow); transition: transform .2s, border-color .2s; }
.card:hover { transform: translateY(-3px); border-color: var(--line-strong); color: inherit; }
.card h3 { font-size: 1.3rem; margin-top: .2rem; }
.card p { color: var(--muted); font-size: .93rem; text-wrap: pretty; }
.card .card-link { margin-top: auto; padding-top: .6rem; color: var(--accent); font-size: .88rem; font-weight: 600; }

/* Dvousloupcová sekce s principy */
.split-art { margin: 2rem 0 0; max-width: 420px; }
.split-art img { display: block; width: 100%; mix-blend-mode: multiply; }
.detail-hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
.detail-hero .detail-header { padding-bottom: 1.5rem; }
.detail-art { margin: 0; }
.detail-art img { display: block; width: 100%; mix-blend-mode: multiply; }
.split { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(2rem, 5vw, 4rem); }
.split h2 { margin: .7rem 0 1.2rem; }
.split-copy p { color: var(--ink-2); }
.split-copy p + p { margin-top: 1rem; }
.principles { list-style: none; padding: 0; margin: 1.6rem 0 0; display: grid; gap: .5rem; }
.principles li { display: flex; gap: .8rem; align-items: baseline; padding: .75rem 1rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-s); font-size: .92rem; }
.principles li::before { content: '✓'; color: var(--ok); font-family: var(--font-mono); font-weight: 600; }

/* Odkazy dál */
.links-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.links-2 a { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.3rem 1.5rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; font-weight: 600; font-family: var(--font-heading); transition: transform .2s, border-color .2s; }
.links-2 a:hover { transform: translateY(-2px); border-color: var(--line-strong); color: inherit; }
.links-2 small { display: block; font: 400 .88rem/1.5 var(--font-body); color: var(--muted); margin-top: .25rem; }
.links-2 .arrow { color: var(--accent); font-size: 1.3rem; }

/* Kontakt */
.contact { margin: clamp(2rem, 5vw, 4rem) 0 0; padding: clamp(2rem, 5vw, 3.5rem); background: var(--ink); color: var(--paper); border-radius: var(--radius); display: grid; grid-template-columns: 1.1fr .9fr; gap: 2.5rem; align-items: end; }
.contact .eyebrow { color: #f3a67f; }
.contact h2 { margin: .7rem 0 1rem; color: #fff; }
.contact p { color: #cfc9bc; text-wrap: pretty; }
.contact-email { display: inline-block; font: 600 clamp(1.3rem, 3vw, 2.2rem)/1.3 var(--font-heading); color: #fff; letter-spacing: -.02em; text-decoration: none; border-bottom: 2px solid var(--accent); padding-bottom: .15rem; overflow-wrap: anywhere; }
.contact-email:hover { color: #f3a67f; border-bottom-color: #f3a67f; }
.contact-meta { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; margin-top: 1.3rem; font-size: .85rem; color: #a39d90; }
.contact-meta a { color: #e6e1d6; text-decoration: none; }
.contact-meta a:hover { color: #fff; }
.contact-aside { display: grid; gap: .5rem; }
.contact-aside .pill { background: #2a2823; border-color: #3d3a33; color: #e6e1d6; justify-self: start; }

/* Patička */
footer.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem 1.5rem; padding: 2rem 0 2.5rem; color: var(--muted); font-size: .82rem; }
footer.site-footer > div { display: flex; flex-wrap: wrap; gap: .6rem 1.2rem; }
footer.site-footer a { text-decoration: none; }

/* Podstránky */
.crumbs { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; font: 400 .78rem/1.5 var(--font-mono); color: var(--muted); margin: 1.6rem 0 2rem; }
.crumbs a { text-decoration: none; }
.crumbs .sep { color: var(--line-strong); }
.detail-header { padding: .5rem 0 2.6rem; max-width: 860px; }
.detail-header h1 { margin-top: .8rem; font-size: clamp(2.3rem, 5vw, 3.8rem); }
.detail-subtitle { font: 500 clamp(1.1rem, 2vw, 1.4rem)/1.45 var(--font-heading); color: var(--muted); margin-top: 1rem; letter-spacing: -.01em; text-wrap: pretty; }
.project-prose { max-width: 720px; padding-bottom: 1rem; }
.project-prose p, .project-prose ul { margin: 0 0 1.3rem; color: var(--ink-2); }
.project-prose h2 { margin: 2.6rem 0 .9rem; font-size: 1.55rem; }
.project-prose h3 { margin: 1.8rem 0 .7rem; }
.project-prose li { margin: .45rem 0; }
.detail-context { padding: 1.1rem 1.3rem; background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: var(--radius-s); color: var(--ink) !important; }
.project-pagination { display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; margin: 2.5rem 0 1rem; padding-top: 1.5rem; border-top: 1px solid var(--line); font-size: .92rem; font-weight: 600; }
.project-pagination a { text-decoration: none; }
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 1rem; }
.project-card { display: flex; flex-direction: column; gap: .5rem; padding: 1.5rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.project-card h3 { font-size: 1.25rem; margin-top: .3rem; }
.project-card p { color: var(--muted); font-size: .92rem; }
.project-role { margin-top: auto; padding-top: .8rem; font: 400 .74rem/1.5 var(--font-mono); color: var(--muted); }
.page-section { padding: clamp(2.5rem, 5vw, 4rem) 0; }

/* Střídavé bloky s ilustrací (/produkt/) */
.feature { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; padding: clamp(1.5rem, 3vw, 2.5rem) 0; border-top: 1px solid var(--line); }
.feature:nth-child(odd) { grid-template-columns: 1.2fr .8fr; }
.feature:nth-child(odd) .feature-art { order: 2; }
.feature-art { margin: 0; max-width: 420px; justify-self: center; }
.feature-art img { display: block; width: 100%; mix-blend-mode: multiply; }
.feature-copy .num { font: 400 .75rem/1.5 var(--font-mono); color: var(--accent); letter-spacing: .06em; }
.feature-copy h3 { font-size: clamp(1.4rem, 2.2vw, 1.8rem); margin: .4rem 0 .8rem; }
.feature-copy h4 { margin: 1.3rem 0 .4rem; }
.feature-copy p { color: var(--ink-2); max-width: 58ch; text-wrap: pretty; }
.feature-copy p + p { margin-top: .8rem; }
.feature-copy .note { margin-top: 1rem; padding: .8rem 1rem; background: var(--paper-2); border-radius: var(--radius-s); font-size: .9rem; color: var(--muted); }
.card .small { font-size: .85rem; }
.detail-header .detail-context { margin-top: 1.4rem; font-size: .95rem; }

/* Ukázkové konverzace (/agent/) */
.chats { display: grid; gap: 1.2rem; }
.chat { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; padding: clamp(1.5rem, 3vw, 2.5rem) 0; border-top: 1px solid var(--line); }
.chat:nth-child(even) .mock { order: 2; }
.chat-copy h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); margin-bottom: .7rem; }
.chat-copy p { color: var(--ink-2); text-wrap: pretty; }
.mock .list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius-s); overflow: hidden; font-size: .86rem; }
.mock .list li { padding: .55rem .9rem; border-top: 1px solid var(--line); color: var(--ink-2); }
.mock .list li:first-child { border-top: 0; }
.mock .list b { font: 500 .72rem/1.4 var(--font-mono); color: var(--accent); text-transform: uppercase; letter-spacing: .05em; margin-right: .5rem; }
.mock .list.ask li::before { content: '?'; font-family: var(--font-mono); color: var(--accent); margin-right: .6rem; }
.mock .doc-actions { padding: 0; border-top: 0; }

.feature:has(> figure[hidden]), .feature:nth-child(odd):has(> figure[hidden]), .detail-hero:has(> figure[hidden]) { grid-template-columns: 1fr; }

/* Odhalení při scrollu */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* Responzivita */
@media (max-width: 960px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .tile, .tile.wide { grid-column: span 1; }
  .assistant { grid-template-columns: 1fr; }
  .cards-3 { grid-template-columns: 1fr 1fr; }
  .cards-3 > :last-child { grid-column: span 2; }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding-top: 2.2rem; }
  .hero-art { max-width: 460px; }
  .facts { grid-template-columns: 1fr; gap: 1rem; }
  .split, .contact, .links-2, .detail-hero, .feature, .feature:nth-child(odd), .chat { grid-template-columns: 1fr; }
  .feature:nth-child(odd) .feature-art, .chat:nth-child(even) .mock { order: 0; }
  .feature-art { max-width: 360px; justify-self: start; }
  .detail-art { max-width: 420px; }
  .site-nav { flex-wrap: wrap; }
  .site-nav > div { gap: .9rem 1.1rem; font-size: .85rem; flex-wrap: wrap; }
}
@media (max-width: 560px) {
  .site-nav .nav-contact { display: none; }
  .bento, .cards-3, .project-grid { grid-template-columns: 1fr; }
  .cards-3 > :last-child { grid-column: auto; }
  .tile, .card { padding: 1.4rem; }
  .msg { max-width: 100%; }
  .doc-actions .who { margin-left: 0; width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}