/* =========================================================
   KVÁDRA — architektura domácího rozpočtu
   scytheco.digital  |  style.css
   ========================================================= */

:root{
  /* Kámen a inkoust */
  --paper:      #F2F1ED;
  --paper-deep: #E7E5DE;
  --stone-200:  #DDDBD3;
  --stone-400:  #B3B0A6;
  --graphite:   #6B6862;
  --ink:        #191A18;
  --ink-soft:   #2E302D;
  --bronze:     #8A7A5C;

  --rule:       1px solid var(--stone-400);
  --rule-soft:  1px solid var(--stone-200);

  --f-title: "Helvetica Neue", Helvetica, Arial, "Segoe UI", sans-serif;
  --f-body:  Georgia, "Iowan Old Style", "Times New Roman", serif;
  --f-data:  ui-monospace, "SF Mono", Menlo, Consolas, "Courier New", monospace;

  --sheet-max: 1240px;
  --gut: 32px;
  --sect-y: clamp(64px, 9vw, 132px);
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
}

body{
  margin:0;
  background-color:var(--paper);
  background-image:url("texture-stone.svg");
  background-size:420px 420px;
  color:var(--ink);
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.66;
  -webkit-font-smoothing:antialiased;
}

img,svg{ max-width:100%; height:auto; display:block; }

a{ color:var(--ink); text-decoration:none; }
p a, li a{
  border-bottom:1px solid var(--stone-400);
  padding-bottom:1px;
  transition:border-color .2s ease, color .2s ease;
}
p a:hover, li a:hover{ color:var(--bronze); border-color:var(--bronze); }

:focus-visible{ outline:2px solid var(--bronze); outline-offset:3px; }

/* ---------- Typografie ---------- */
h1,h2,h3,h4{ font-family:var(--f-title); font-weight:600; color:var(--ink); margin:0; }
h1{
  font-size:clamp(2.3rem, 5.4vw, 4.4rem);
  line-height:1.02;
  letter-spacing:-.028em;
  text-transform:uppercase;
}
h2{
  font-size:clamp(1.6rem, 3.1vw, 2.5rem);
  line-height:1.1;
  letter-spacing:-.02em;
  text-transform:uppercase;
}
h3{ font-size:1.12rem; line-height:1.28; letter-spacing:.01em; }
h4{ font-size:.95rem; letter-spacing:.04em; text-transform:uppercase; }

.lede{ font-size:clamp(1.05rem,1.6vw,1.3rem); line-height:1.6; color:var(--ink-soft); max-width:62ch; }
.muted{ color:var(--graphite); }
.small{ font-size:.9rem; line-height:1.55; }

.eyebrow{
  font-family:var(--f-data);
  font-size:.7rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--graphite);
  display:flex; align-items:center; gap:10px;
  margin:0 0 18px;
}
.eyebrow::before{
  content:""; width:26px; height:1px; background:var(--bronze); flex:none;
}

.num{ font-family:var(--f-data); font-size:.72rem; letter-spacing:.18em; color:var(--bronze); }

/* ---------- Rám výkresu ---------- */
.sheet{
  max-width:var(--sheet-max);
  margin:0 auto;
  padding:0 var(--gut);
  position:relative;
}
.sheet-frame{
  position:fixed; inset:12px;
  border:1px solid var(--stone-200);
  pointer-events:none; z-index:1;
}
.sheet-frame span{
  position:absolute; width:11px; height:11px; border:1px solid var(--bronze);
}
.sheet-frame span:nth-child(1){ top:-6px; left:-6px; }
.sheet-frame span:nth-child(2){ top:-6px; right:-6px; }
.sheet-frame span:nth-child(3){ bottom:-6px; left:-6px; }
.sheet-frame span:nth-child(4){ bottom:-6px; right:-6px; }
@media (max-width:860px){ .sheet-frame{ display:none; } }

/* ---------- Hlavička ---------- */
.masthead{
  position:sticky; top:0; z-index:40;
  background:rgba(242,241,237,.94);
  backdrop-filter:blur(6px);
  border-bottom:var(--rule);
}
.masthead-in{
  max-width:var(--sheet-max); margin:0 auto; padding:0 var(--gut);
  display:flex; align-items:center; justify-content:space-between; gap:24px;
  min-height:76px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand-mark{ width:30px; height:30px; flex:none; }
.brand-name{
  font-family:var(--f-title); font-weight:600; text-transform:uppercase;
  letter-spacing:.16em; font-size:1rem; line-height:1;
}
.brand-sub{
  display:block; font-family:var(--f-data); font-size:.6rem; letter-spacing:.16em;
  color:var(--graphite); text-transform:uppercase; margin-top:5px;
}

.nav{ display:flex; align-items:center; gap:26px; }
.nav a{
  font-family:var(--f-title); font-size:.78rem; letter-spacing:.13em;
  text-transform:uppercase; color:var(--ink-soft); padding:6px 0;
  border-bottom:1px solid transparent; transition:border-color .2s, color .2s;
}
.nav a:hover{ border-color:var(--bronze); }
.nav a[aria-current="page"]{ color:var(--ink); border-color:var(--ink); }

.nav-toggle{
  display:none; background:none; border:var(--rule); padding:9px 12px;
  font-family:var(--f-data); font-size:.68rem; letter-spacing:.18em;
  text-transform:uppercase; cursor:pointer; color:var(--ink);
}

@media (max-width:1040px){
  .nav{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; align-items:flex-start; gap:0;
    background:var(--paper); border-bottom:var(--rule);
    padding:8px var(--gut) 20px; display:none;
  }
  .nav.is-open{ display:flex; }
  .nav a{ width:100%; padding:13px 0; border-bottom:var(--rule-soft); }
  .nav-toggle{ display:block; }
}

/* ---------- Sekce ---------- */
.section{ padding:var(--sect-y) 0; border-top:var(--rule-soft); }
.section:first-of-type{ border-top:none; }
.section-head{ display:grid; grid-template-columns:1fr; gap:18px; margin-bottom:52px; max-width:74ch; }

.grid{ display:grid; gap:var(--gut); }
.g-2{ grid-template-columns:repeat(2,1fr); }
.g-3{ grid-template-columns:repeat(3,1fr); }
.g-4{ grid-template-columns:repeat(4,1fr); }
.g-side{ grid-template-columns:minmax(0,7fr) minmax(0,5fr); align-items:start; }
.g-side-rev{ grid-template-columns:minmax(0,5fr) minmax(0,7fr); align-items:center; }
@media (max-width:960px){
  .g-3,.g-4{ grid-template-columns:repeat(2,1fr); }
  .g-side,.g-side-rev{ grid-template-columns:1fr; }
}
@media (max-width:600px){
  .g-2,.g-3,.g-4{ grid-template-columns:1fr; }
}

/* ---------- Hero ---------- */
.hero{ padding:clamp(48px,7vw,92px) 0 clamp(48px,7vw,88px); }
.hero-grid{ display:grid; grid-template-columns:minmax(0,6fr) minmax(0,6fr); gap:clamp(28px,4vw,56px); align-items:center; }
@media (max-width:960px){ .hero-grid{ grid-template-columns:1fr; } }
.hero h1 span{ display:block; color:var(--graphite); }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }
.hero-figure{ border:var(--rule); background:var(--paper-deep); padding:18px; }
.figure-cap{
  font-family:var(--f-data); font-size:.66rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--graphite); display:flex; justify-content:space-between; gap:12px;
  border-top:var(--rule-soft); margin-top:14px; padding-top:10px;
}

/* Kóty */
.dimline{ display:flex; align-items:center; gap:12px; margin-top:28px; }
.dimline .bar{ flex:1; height:1px; background:var(--stone-400); position:relative; }
.dimline .bar::before,.dimline .bar::after{
  content:""; position:absolute; top:-4px; width:1px; height:9px; background:var(--stone-400);
}
.dimline .bar::before{ left:0; } .dimline .bar::after{ right:0; }
.dimline span{ font-family:var(--f-data); font-size:.68rem; letter-spacing:.14em; color:var(--graphite); text-transform:uppercase; }

/* ---------- Tlačítka ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--f-title); font-size:.78rem; letter-spacing:.14em; text-transform:uppercase;
  padding:15px 26px; background:var(--ink); color:var(--paper);
  border:1px solid var(--ink); cursor:pointer;
  transition:background .2s ease, color .2s ease;
}
.btn:hover{ background:transparent; color:var(--ink); }
.btn--ghost{ background:transparent; color:var(--ink); border-color:var(--stone-400); }
.btn--ghost:hover{ background:var(--ink); color:var(--paper); border-color:var(--ink); }
.btn--wide{ width:100%; justify-content:center; }

/* ---------- Karty ---------- */
.card{
  border:var(--rule); background:rgba(255,255,255,.42);
  padding:28px 26px 30px; position:relative;
  transition:border-color .2s ease, transform .25s ease;
}
.card:hover{ border-color:var(--ink); transform:translateY(-2px); }
.card .num{ display:block; margin-bottom:14px; }
.card h3{ margin-bottom:10px; }
.card p{ margin:0; font-size:.97rem; color:var(--ink-soft); }
.card-list{ list-style:none; margin:14px 0 0; padding:0; font-size:.94rem; }
.card-list li{ padding:8px 0 8px 20px; border-top:var(--rule-soft); position:relative; }
.card-list li::before{
  content:""; position:absolute; left:0; top:17px; width:7px; height:7px;
  border:1px solid var(--bronze);
}

/* Kámen — texturovaný blok */
.stoneblock{
  border:var(--rule); padding:clamp(26px,4vw,44px);
  background-color:var(--paper-deep); background-image:url("texture-stone.svg");
  background-size:300px 300px;
}

/* ---------- Údajové řádky ---------- */
.specs{ border-top:var(--rule); }
.spec{
  display:grid; grid-template-columns:64px minmax(0,1fr) minmax(0,1.4fr);
  gap:20px; padding:22px 0; border-bottom:var(--rule-soft); align-items:baseline;
}
.spec .num{ padding-top:4px; }
.spec h3{ margin:0; }
.spec p{ margin:0; font-size:.97rem; color:var(--ink-soft); }
@media (max-width:700px){
  .spec{ grid-template-columns:44px 1fr; }
  .spec p{ grid-column:2 / -1; }
}

/* ---------- Ceník ---------- */
.plans{ display:grid; grid-template-columns:repeat(3,1fr); gap:0; border:var(--rule); }
.plan{ padding:34px 28px 32px; border-right:var(--rule-soft); display:flex; flex-direction:column; }
.plan:last-child{ border-right:none; }
.plan--lead{ background:var(--ink); color:var(--paper); }
.plan--lead h3,.plan--lead .price-val{ color:var(--paper); }
.plan--lead .plan-meta,.plan--lead .card-list li{ color:var(--stone-200); border-color:rgba(242,241,237,.22); }
.plan--lead .card-list li::before{ border-color:var(--bronze); }
.plan--lead .btn{ background:var(--paper); color:var(--ink); border-color:var(--paper); }
.plan--lead .btn:hover{ background:transparent; color:var(--paper); }
.plan-tag{
  font-family:var(--f-data); font-size:.64rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--bronze); margin-bottom:16px; display:block;
}
.price{ display:flex; align-items:baseline; gap:8px; margin:18px 0 4px; }
.price-val{ font-family:var(--f-title); font-size:2.5rem; font-weight:600; letter-spacing:-.03em; }
.price-unit{ font-family:var(--f-data); font-size:.7rem; letter-spacing:.14em; text-transform:uppercase; color:var(--graphite); }
.plan--lead .price-unit{ color:var(--stone-400); }
.plan-meta{ font-size:.86rem; color:var(--graphite); margin:0 0 20px; }
.plan .card-list{ flex:1; margin-bottom:24px; }
@media (max-width:900px){ .plans{ grid-template-columns:1fr; } .plan{ border-right:none; border-bottom:var(--rule-soft); } .plan:last-child{ border-bottom:none; } }

table{ width:100%; border-collapse:collapse; font-size:.95rem; }
caption{ text-align:left; font-family:var(--f-data); font-size:.68rem; letter-spacing:.18em; text-transform:uppercase; color:var(--graphite); padding-bottom:12px; }
th,td{ text-align:left; padding:15px 16px; border-bottom:var(--rule-soft); vertical-align:top; }
th{ font-family:var(--f-title); font-size:.74rem; letter-spacing:.12em; text-transform:uppercase; border-bottom:var(--rule); }
td.figure{ font-family:var(--f-data); white-space:nowrap; }
.table-wrap{ overflow-x:auto; border:var(--rule); background:rgba(255,255,255,.42); padding:6px 18px 8px; }

/* ---------- Formulář ---------- */
.form-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
@media (max-width:700px){ .form-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:8px; }
.field--full{ grid-column:1 / -1; }
label{ font-family:var(--f-data); font-size:.68rem; letter-spacing:.16em; text-transform:uppercase; color:var(--graphite); }
input,select,textarea{
  font-family:var(--f-body); font-size:1rem; color:var(--ink);
  background:rgba(255,255,255,.6); border:var(--rule); border-radius:0;
  padding:13px 14px; width:100%;
}
textarea{ min-height:140px; resize:vertical; }
input:focus,select:focus,textarea:focus{ border-color:var(--ink); outline:none; box-shadow:inset 0 -2px 0 var(--bronze); }
.check{ display:flex; gap:12px; align-items:flex-start; font-family:var(--f-body); font-size:.9rem; color:var(--ink-soft); text-transform:none; letter-spacing:0; }
.check input{ width:18px; height:18px; flex:none; margin-top:3px; accent-color:var(--ink); }
.err{ font-family:var(--f-data); font-size:.68rem; letter-spacing:.08em; color:#8B2F22; min-height:14px; }
.form-note{ font-size:.85rem; color:var(--graphite); margin:18px 0 0; }
.form-done{
  border:1px solid var(--ink); padding:28px; background:rgba(255,255,255,.6);
}
.form-done h3{ margin-bottom:10px; }
.is-hidden{ display:none !important; }

/* ---------- Otázky (rozbalovací) ---------- */
.qa{ border-top:var(--rule); }
.qa details{ border-bottom:var(--rule-soft); }
.qa summary{
  cursor:pointer; list-style:none; padding:22px 44px 22px 0; position:relative;
  font-family:var(--f-title); font-size:1.02rem; letter-spacing:.01em;
}
.qa summary::-webkit-details-marker{ display:none; }
.qa summary::after{
  content:"+"; position:absolute; right:6px; top:20px;
  font-family:var(--f-data); font-size:1.1rem; color:var(--bronze);
}
.qa details[open] summary::after{ content:"–"; }
.qa .qa-body{ padding:0 44px 24px 0; color:var(--ink-soft); font-size:.98rem; }
.qa .qa-body p{ margin:0 0 12px; }

/* ---------- CTA pás ---------- */
.strip{
  border:var(--rule); background:var(--ink); color:var(--paper);
  padding:clamp(30px,4vw,52px); display:grid; grid-template-columns:minmax(0,1fr) auto;
  gap:26px; align-items:center;
}
.strip h2{ color:var(--paper); margin-bottom:10px; }
.strip p{ margin:0; color:var(--stone-400); max-width:58ch; }
.strip .btn{ background:var(--paper); color:var(--ink); border-color:var(--paper); }
.strip .btn:hover{ background:transparent; color:var(--paper); }
@media (max-width:760px){ .strip{ grid-template-columns:1fr; } }

/* ---------- Právní texty ---------- */
.doc{ max-width:78ch; }
.doc h2{ margin:52px 0 16px; font-size:1.35rem; }
.doc h3{ margin:30px 0 10px; }
.doc p,.doc li{ color:var(--ink-soft); }
.doc ul,.doc ol{ padding-left:20px; }
.doc li{ margin-bottom:8px; }
.doc-meta{
  font-family:var(--f-data); font-size:.7rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--graphite); border-top:var(--rule); border-bottom:var(--rule);
  padding:14px 0; display:flex; flex-wrap:wrap; gap:22px; margin-bottom:8px;
}

/* ---------- Patička ---------- */
.footer{ border-top:var(--rule); margin-top:var(--sect-y); padding:clamp(44px,6vw,76px) 0 34px; }
.footer-grid{ display:grid; grid-template-columns:minmax(0,2fr) repeat(3,minmax(0,1fr)); gap:36px; }
@media (max-width:900px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .footer-grid{ grid-template-columns:1fr; } }
.footer h4{ margin-bottom:16px; color:var(--graphite); font-size:.7rem; letter-spacing:.2em; font-family:var(--f-data); }
.footer ul{ list-style:none; margin:0; padding:0; }
.footer li{ margin-bottom:10px; }
.footer li a{ font-size:.92rem; color:var(--ink-soft); border-bottom:1px solid transparent; }
.footer li a:hover{ border-color:var(--bronze); color:var(--ink); }
.footer address{ font-style:normal; font-size:.92rem; color:var(--ink-soft); line-height:1.8; }
.footer-bottom{
  border-top:var(--rule-soft); margin-top:40px; padding-top:20px;
  display:flex; flex-wrap:wrap; gap:14px; justify-content:space-between;
  font-family:var(--f-data); font-size:.66rem; letter-spacing:.14em; text-transform:uppercase; color:var(--graphite);
}

/* ---------- Cookie lišta ---------- */
.cookiebar{
  position:fixed; left:0; right:0; bottom:0; z-index:60;
  background:var(--paper); border-top:1px solid var(--ink);
  padding:22px var(--gut); box-shadow:0 -12px 30px rgba(25,26,24,.08);
}
.cookiebar-in{
  max-width:var(--sheet-max); margin:0 auto;
  display:grid; grid-template-columns:minmax(0,1fr) auto; gap:24px; align-items:center;
}
.cookiebar p{ margin:0; font-size:.92rem; color:var(--ink-soft); max-width:74ch; }
.cookiebar .actions{ display:flex; flex-wrap:wrap; gap:12px; }
.cookiebar .btn{ padding:12px 20px; font-size:.72rem; }
.cookie-prefs{ border-top:var(--rule-soft); margin-top:18px; padding-top:16px; display:grid; gap:12px; }
@media (max-width:860px){ .cookiebar-in{ grid-template-columns:1fr; } }

/* ---------- Reveal ---------- */
.js .reveal{ opacity:0; transform:translateY(10px); transition:opacity .6s ease, transform .6s ease; }
.js .reveal.is-in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ .js .reveal{ opacity:1; transform:none; } }

/* ---------- Pomocné ---------- */
.stack-s > * + *{ margin-top:12px; }
.stack-m > * + *{ margin-top:22px; }
.stack-l > * + *{ margin-top:40px; }
.mt-l{ margin-top:clamp(40px,6vw,72px); }
.center{ text-align:center; }
.skip{
  position:absolute; left:-9999px; top:0; background:var(--ink); color:var(--paper);
  padding:12px 18px; z-index:99; font-family:var(--f-data); font-size:.72rem; letter-spacing:.14em;
}
.skip:focus{ left:12px; top:12px; }