/* ===== Tokeny značky „Díl z fotky“ ===== */
:root {
  /* barvy */
  --paper: #F4F1EA;        /* pozadí, „papír technického výkresu“ */
  --paper-2: #EAE5DA;      /* sekundární plochy */
  --ink: #16161A;          /* text, linky */
  --ink-2: #4A4A52;        /* tlumený text */
  --line: #CFC8BA;         /* jemné linky, rámečky */
  --signal: #FF5A1F;       /* akcent: „vytištěný díl“ */
  --signal-ink: #C23A08;   /* akcent pro text na světlém pozadí (kontrast AA) */
  --ok: #1F7A4D;
  --err: #B42318;

  /* typografie */
  --f-display: "Archivo", system-ui, sans-serif;
  --f-body: "Inter", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;

  /* rozměry */
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;
  --gutter: 16px;
  --max: 1120px;
  --s1: 8px; --s2: 16px; --s3: 24px; --s4: 40px; --s5: 64px; --s6: 104px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
figure { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
@media (min-width: 720px) { :root { --gutter: 32px; } }

/* jemná mřížka „milimetrového papíru“ */
.grid-bg {
  background-image:
    linear-gradient(var(--paper-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-2) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* ===== Typografie ===== */
h1, h2, h3 { font-family: var(--f-display); line-height: 1.05; margin: 0; letter-spacing: -0.02em; }
h1 { font-size: clamp(40px, 5vw, 64px); font-weight: 800; font-stretch: 112%; }
h2 { font-size: clamp(30px, 4.6vw, 52px); font-weight: 800; font-stretch: 112%; }
h3 { font-size: 21px; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0; }
.lead { font-size: clamp(18px, 2vw, 21px); color: var(--ink-2); max-width: 34em; }
.mono, .tag {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}
.tag {
  display: inline-flex; align-items: center; gap: 8px;
  text-transform: uppercase; color: var(--ink-2);
}
.tag::before { content: ""; width: 10px; height: 10px; background: var(--signal); border-radius: 2px; }
.hl { color: var(--signal-ink); }

/* ===== Tlačítka ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 24px;
  font: 700 17px/1 var(--f-body);
  text-decoration: none; border: 2px solid var(--ink); border-radius: var(--r-md);
  cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s;
}
.btn-primary { background: var(--signal); color: var(--ink); box-shadow: 4px 4px 0 var(--ink); }
.btn-primary:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }
.btn-primary:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--paper-2); }
.btn[disabled] { opacity: .6; cursor: progress; }
.btn-sm { min-height: 42px; padding: 0 16px; font-size: 15px; box-shadow: 3px 3px 0 var(--ink); }

/* ===== Hlavička ===== */
.site-head {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 800 21px/1 var(--f-display); font-stretch: 112%; letter-spacing: -0.02em; }
.logo img { width: 30px; height: 30px; }
.nav { display: none; gap: 28px; font-weight: 600; font-size: 15px; }
.nav a { text-decoration: none; }
.nav a:hover { color: var(--signal-ink); }
@media (min-width: 900px) { .nav { display: flex; } }

/* ===== Sekce ===== */
section { padding: var(--s5) 0; scroll-margin-top: 68px; }
@media (min-width: 900px) { section { padding: var(--s6) 0; } }
.sec-head { display: grid; gap: var(--s2); margin-bottom: var(--s4); max-width: 760px; }
.dark { background: var(--ink); color: var(--paper); }
.dark .lead, .dark .tag { color: #BDB8AE; }
.dark .hl { color: var(--signal); }

/* Hero */
.hero { padding-top: var(--s4); }
.hero .wrap { display: grid; gap: var(--s4); align-items: center; }
.hero h1 .hl { display: inline-block; }
.hero-copy { display: grid; gap: var(--s3); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
@media (max-width: 520px) { .hero-cta .btn { width: 100%; } }
.hero-proof { display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--ink-2); font-size: 15px; }
.hero-proof span { display: inline-flex; gap: 8px; align-items: center; }
.hero-proof svg { width: 18px; height: 18px; flex: none; }
.hero-visual { border: 2px solid var(--ink); border-radius: var(--r-lg); background: var(--paper); overflow: hidden; }
@media (min-width: 900px) {
  .hero { padding-top: var(--s5); }
  .hero .wrap { grid-template-columns: 1.05fr 1fr; gap: var(--s5); }
}

/* Kroky */
.steps { display: grid; gap: var(--s3); counter-reset: step; list-style: none; padding: 0; margin: 0; }
.step {
  position: relative; display: grid; gap: 10px; align-content: start;
  padding: var(--s3); border: 2px solid var(--ink); border-radius: var(--r-lg); background: var(--paper);
}
.step-num { font: 700 14px/1 var(--f-mono); color: var(--signal-ink); }
.step p { color: var(--ink-2); }
.step .ico { width: 48px; height: 48px; margin-bottom: 6px; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(3, 1fr); } }

/* Kategorie */
.cats { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  padding: 10px 16px; border: 1.5px solid var(--ink); border-radius: 999px;
  font-weight: 600; font-size: 15px; background: var(--paper);
}
.nope {
  margin-top: var(--s4); padding: var(--s3); border-radius: var(--r-md);
  border: 1.5px dashed var(--ink-2); color: var(--ink-2); font-size: 15px; max-width: 760px;
}
.nope strong { color: var(--ink); }

/* Ceník */
.prices { display: grid; gap: var(--s3); }
.price {
  display: grid; gap: 12px; align-content: start;
  padding: var(--s3); border-radius: var(--r-lg);
  border: 2px solid #3A3A42; background: #1F1F25;
}
.price.featured { border-color: var(--signal); box-shadow: 6px 6px 0 var(--signal); }
.price h3 { color: var(--paper); }
.price .amount { font: 800 48px/1 var(--f-display); font-stretch: 112%; letter-spacing: -0.03em; color: var(--paper); }
.price .amount small { font: 600 16px/1 var(--f-body); color: #BDB8AE; letter-spacing: 0; }
.price p { color: #BDB8AE; font-size: 15px; }
.price .eg { font-family: var(--f-mono); font-size: 13px; color: #E8E3D8; }
.extras {
  margin-top: var(--s4); display: grid; gap: 1px; background: #3A3A42;
  border: 1px solid #3A3A42; border-radius: var(--r-md); overflow: hidden;
}
.extras div { background: var(--ink); padding: 14px 18px; display: flex; justify-content: space-between; gap: 16px; font-size: 15px; }
.extras div span:last-child { font-family: var(--f-mono); color: var(--paper); white-space: nowrap; }
.guarantee {
  margin-top: var(--s3); display: flex; gap: 14px; align-items: center;
  padding: 18px 20px; border-radius: var(--r-md); background: var(--signal); color: var(--ink); font-weight: 700;
}
.guarantee svg { width: 28px; height: 28px; flex: none; }
@media (min-width: 860px) {
  .prices { grid-template-columns: repeat(3, 1fr); }
  .extras { grid-template-columns: repeat(2, 1fr); }
}

/* Ukázky */
.gallery { display: grid; gap: var(--s3); }
.case { border: 2px solid var(--ink); border-radius: var(--r-lg); overflow: hidden; background: var(--paper); }
.case-imgs { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--ink); }
.case-imgs .ph {
  aspect-ratio: 1; display: grid; place-items: center; text-align: center;
  background: var(--paper-2); color: var(--ink-2); font: 500 13px/1.3 var(--f-mono); padding: 12px;
}
.case-imgs .ph b { display: block; color: var(--ink); font-size: 12px; margin-bottom: 4px; }
.case-body { padding: 16px 20px; display: grid; gap: 4px; }
.case-body .mono { color: var(--ink-2); }
@media (min-width: 760px) { .gallery { grid-template-columns: repeat(3, 1fr); } }

/* Návod na foto */
.howto { display: grid; gap: var(--s4); align-items: center; }
.tips { display: grid; gap: var(--s2); list-style: none; margin: 0; padding: 0; }
.tips li { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; }
.tips .n {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: var(--ink); color: var(--paper); font: 700 15px/1 var(--f-mono);
}
.tips p { color: var(--ink-2); }
.tips strong { color: var(--ink); display: block; }
.howto-visual { border: 2px solid var(--ink); border-radius: var(--r-lg); background: var(--paper); overflow: hidden; }
@media (min-width: 900px) { .howto { grid-template-columns: 1fr 1fr; gap: var(--s5); } }

/* Formulář */
.form-wrap { display: grid; gap: var(--s4); }
.form-card {
  border: 2px solid var(--ink); border-radius: var(--r-lg); background: var(--paper);
  padding: var(--s3); box-shadow: 8px 8px 0 var(--ink);
}
@media (min-width: 720px) { .form-card { padding: var(--s4); } }
form { display: grid; gap: var(--s3); }
.row2 { display: grid; gap: var(--s3); }
@media (min-width: 640px) { .row2 { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 8px; }
label, legend { font-weight: 700; font-size: 15px; }
.hint { font-size: 14px; color: var(--ink-2); }
input[type=text], input[type=email], input[type=tel], input[type=number], textarea, select {
  width: 100%; min-height: 50px; padding: 12px 14px;
  font: 400 16px/1.4 var(--f-body); color: var(--ink);
  background: #FFFDF8; border: 1.5px solid var(--ink-2); border-radius: var(--r-sm);
}
textarea { min-height: 110px; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px color-mix(in srgb, var(--signal) 45%, transparent); }
fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 10px; }
.seg { display: flex; flex-wrap: wrap; gap: 8px; }
.seg label { font-weight: 600; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span {
  display: inline-block; padding: 10px 16px; border: 1.5px solid var(--ink-2); border-radius: 999px;
  cursor: pointer; background: #FFFDF8; font-size: 15px;
}
.seg input:checked + span { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.seg input:focus-visible + span { outline: 3px solid var(--signal); outline-offset: 2px; }
.drop {
  position: relative; display: grid; place-items: center; gap: 6px; text-align: center;
  min-height: 150px; padding: var(--s3); border: 2px dashed var(--ink-2); border-radius: var(--r-md);
  background: #FFFDF8; cursor: pointer; transition: background .15s, border-color .15s;
}
.drop:hover, .drop.over { background: color-mix(in srgb, var(--signal) 10%, #FFFDF8); border-color: var(--ink); }
.drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop strong { font-size: 16px; }
.only-mob { display: none; }
@media (hover: none) and (pointer: coarse) { .only-desk { display: none; } .only-mob { display: block; } }
.drop svg { width: 34px; height: 34px; }
.thumbs { display: flex; flex-wrap: wrap; gap: 8px; }
.thumbs img { width: 72px; height: 72px; object-fit: cover; border-radius: 8px; border: 1.5px solid var(--ink); }
.file-msg { font-size: 14px; }
.file-msg.err { color: var(--err); font-weight: 600; }
.check { display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start; font-weight: 400; font-size: 14px; color: var(--ink-2); }
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--ink); }
.form-foot { display: grid; gap: 12px; }
.form-ok { display: none; padding: var(--s3); border-radius: var(--r-md); background: #E3F1E8; color: var(--ok); font-weight: 600; }
.side-list { display: grid; gap: var(--s3); align-content: start; }
.side-list .item { display: grid; grid-template-columns: 28px 1fr; gap: 12px; }
.side-list svg { width: 28px; height: 28px; }
.side-list p { color: var(--ink-2); font-size: 15px; }
@media (min-width: 960px) {
  .form-wrap { grid-template-columns: 1.35fr 1fr; gap: var(--s5); align-items: start; }
  .side-list { position: sticky; top: 100px; }
}

/* Vánoce */
.xmas { background: var(--signal); }
.xmas .wrap { display: grid; gap: var(--s3); align-items: center; }
.xmas .lead { color: var(--ink); }
.xmas .tag { color: var(--ink); }
.xmas .tag::before { background: var(--ink); }
@media (min-width: 900px) { .xmas .wrap { grid-template-columns: 1.4fr 1fr; } .xmas .cta { justify-self: end; } }
.xmas .btn-primary { background: var(--paper); }

/* FAQ */
.faq { display: grid; gap: 0; border-top: 2px solid var(--ink); max-width: 860px; }
.faq details { border-bottom: 1.5px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 20px 40px 20px 0; position: relative;
  font: 700 18px/1.35 var(--f-body);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 16px; font: 500 26px/1 var(--f-mono); color: var(--signal-ink);
  transition: transform .2s;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 20px; color: var(--ink-2); max-width: 46em; }

/* Patička */
.site-foot { padding: var(--s5) 0 var(--s4); border-top: 1px solid #3A3A42; }
.foot-grid { display: grid; gap: var(--s4); }
.site-foot .logo { color: var(--paper); }
.foot-grid p, .foot-grid a { color: #BDB8AE; font-size: 15px; }
.foot-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.foot-legal { margin-top: var(--s4); padding-top: var(--s3); border-top: 1px solid #3A3A42; color: #8C887F; font-size: 13px; }
@media (min-width: 860px) { .foot-grid { grid-template-columns: 2fr 1fr 1fr; } }

/* Mobilní lepkavé CTA */
.mobile-cta {
  position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 20;
  display: flex; transition: transform .25s ease, opacity .25s;
}
.mobile-cta .btn { width: 100%; }
.mobile-cta.hide { transform: translateY(120%); opacity: 0; pointer-events: none; }
@media (min-width: 900px) { .mobile-cta { display: none; } }

/* Kótovací popisky v ilustracích */
.dim { font: 600 13px var(--f-mono); fill: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

/* Právní stránky */
.legal { max-width: 760px; margin: 0 auto; padding: var(--s5) var(--gutter) var(--s6); }
.legal h1 { font-size: clamp(34px, 5vw, 52px); margin: 12px 0 var(--s2); }
.legal h2 { font-size: 24px; font-stretch: 100%; letter-spacing: -0.01em; margin: var(--s4) 0 12px; }
.legal p, .legal li { color: var(--ink-2); }
.legal p + p { margin-top: 12px; }
.legal ol, .legal ul { padding-left: 22px; display: grid; gap: 8px; margin: 12px 0 0; }
.legal strong { color: var(--ink); }
.legal .meta { font: 500 14px var(--f-mono); color: var(--ink-2); }
.legal table { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 15px; }
.legal th, .legal td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.legal th { color: var(--ink); }