/* Stavivo — architektúra domáceho rozpočtu
   tillage.digital — základný štýlový list */

:root {
  --ink: #16181a;
  --graphite: #4a4d4f;
  --muted: #6f7376;
  --stone: #f2f1ee;
  --plate: #fafaf8;
  --line: #dedcd6;
  --line-soft: #e9e7e2;
  --patina: #3e5c50;
  --patina-soft: #7a9187;
  --patina-wash: #eef1ef;

  --display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --data: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --shell: 1180px;
  --gut: 24px;
  --radius: 2px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--stone);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.62;
  letter-spacing: 0.001em;
}

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

a { color: var(--patina); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ---------- štruktúra ---------- */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gut);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--stone);
  padding: 10px 16px;
  z-index: 60;
}
.skip:focus { left: 8px; top: 8px; }

.eyebrow {
  font-family: var(--data);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--patina-soft);
  flex: none;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.14;
  color: var(--ink);
  margin: 0 0 16px;
}
h1 { font-size: clamp(32px, 5.2vw, 54px); }
h2 { font-size: clamp(26px, 3.6vw, 36px); }
h3 { font-size: clamp(19px, 2.2vw, 23px); line-height: 1.24; }
h4 { font-size: 17px; }

p { margin: 0 0 16px; }
.lead { font-size: 18px; color: var(--graphite); max-width: 62ch; }

/* ---------- hlavička ---------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(242, 241, 238, 0.94);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--line);
}
.masthead__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 66px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand svg { width: 26px; height: 26px; flex: none; }
.brand__name {
  font-family: var(--display);
  font-size: 21px;
  letter-spacing: 0.01em;
}
.brand__tag {
  font-family: var(--data);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-top: -3px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 13px;
  font-family: var(--data);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  cursor: pointer;
}

.nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav a {
  color: var(--graphite);
  font-size: 14px;
  padding: 7px 9px;
  border-radius: var(--radius);
  text-decoration: none;
}
.nav a:hover { color: var(--ink); background: var(--line-soft); text-decoration: none; }
.nav a[aria-current="page"] {
  color: var(--ink);
  box-shadow: inset 0 -1px 0 var(--patina);
}

/* ---------- tlačidlá ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--stone);
  font-family: var(--data);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.btn:hover { background: var(--patina); border-color: var(--patina); color: #fff; text-decoration: none; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { background: var(--patina-wash); color: var(--ink); border-color: var(--patina-soft); }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

/* ---------- sekcie ---------- */

.band { padding: 74px 0; border-top: 1px solid var(--line); }
.band--flush { border-top: 0; }
.band--plate { background: var(--plate); }
.band--tight { padding: 52px 0; }

.hero { padding: 66px 0 74px; }
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 46px;
  align-items: center;
}
.hero__figure { border: 1px solid var(--line); background: var(--plate); padding: 10px; }

.measure { max-width: 74ch; }

.cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 26px;
}
.cols--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 46px;
  align-items: center;
}
.split--narrow { grid-template-columns: 0.9fr 1.1fr; }

/* ---------- karty ---------- */

.card {
  border: 1px solid var(--line);
  background: var(--plate);
  padding: 26px;
  border-radius: var(--radius);
}
.card h3 { margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }
.card__index {
  font-family: var(--data);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--patina);
  display: block;
  margin-bottom: 12px;
}
.card__figure { border: 1px solid var(--line); margin: 0 0 18px; }

.slab {
  border-left: 2px solid var(--patina);
  padding: 4px 0 4px 20px;
  margin: 0 0 26px;
}

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.facts div { background: var(--plate); padding: 22px; }
.facts dt { font-family: var(--data); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); }
.facts dd { margin: 8px 0 0; font-family: var(--display); font-size: 27px; }

/* ---------- zoznamy ---------- */

.ticks { list-style: none; margin: 0 0 18px; padding: 0; }
.ticks li { position: relative; padding-left: 26px; margin-bottom: 10px; }
.ticks li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 12px; height: 1px;
  background: var(--patina);
}

.steps { counter-reset: step; list-style: none; margin: 0; padding: 0; }
.steps > li {
  counter-increment: step;
  border-top: 1px solid var(--line);
  padding: 24px 0 24px 74px;
  position: relative;
}
.steps > li:last-child { border-bottom: 1px solid var(--line); }
.steps > li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0; top: 24px;
  font-family: var(--data);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--patina);
  border: 1px solid var(--line);
  padding: 6px 10px;
  background: var(--plate);
}
.steps h3 { margin-bottom: 6px; }
.steps p:last-child { margin-bottom: 0; }

/* ---------- kurz (signature) ---------- */

.course {
  border: 1px solid var(--line);
  background: var(--plate);
  padding: 24px;
}
.course__bar {
  display: flex;
  height: 74px;
  border: 1px solid var(--line);
  overflow: hidden;
  margin-bottom: 4px;
}
.course__seg {
  border: 0;
  border-right: 1px solid var(--line);
  background: repeating-linear-gradient(180deg, #ececE7 0 12px, #e5e4de 12px 13px);
  color: var(--ink);
  font-family: var(--data);
  font-size: 11px;
  letter-spacing: 0.1em;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 8px;
  cursor: pointer;
  transition: background .18s ease, color .18s ease;
}
.course__seg:last-child { border-right: 0; }
.course__seg[aria-pressed="true"] {
  background: repeating-linear-gradient(180deg, #3e5c50 0 12px, #375247 12px 13px);
  color: #fff;
}
.course__legend { font-family: var(--data); font-size: 12px; color: var(--graphite); margin: 14px 0 0; min-height: 44px; }

.field-inline { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; margin-bottom: 20px; }
.field-inline label { font-family: var(--data); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 6px; }
.field-inline input { width: 190px; }

/* ---------- formuláre ---------- */

input, select, textarea {
  width: 100%;
  font-family: var(--body);
  font-size: 15px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
}
input:focus, select:focus, textarea:focus { border-color: var(--patina-soft); outline: 2px solid rgba(62, 92, 80, .18); outline-offset: 0; }
textarea { min-height: 138px; resize: vertical; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; }
.field--wide { grid-column: 1 / -1; }
.field > label {
  font-family: var(--data);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 7px;
}
.field .hint { font-size: 12px; color: var(--muted); margin: 6px 0 0; }
.field .err { font-size: 12px; color: #8c3b2e; margin: 6px 0 0; min-height: 1px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--graphite); }
.check input { width: 17px; height: 17px; flex: none; margin-top: 3px; }

.form-note {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid var(--patina-soft);
  background: var(--patina-wash);
  font-size: 14px;
  display: none;
}
.form-note[data-state="on"] { display: block; }

/* ---------- cenník ---------- */

.switch {
  display: inline-flex;
  border: 1px solid var(--line);
  background: var(--plate);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 34px;
}
.switch button {
  border: 0;
  background: transparent;
  padding: 11px 20px;
  font-family: var(--data);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--graphite);
  cursor: pointer;
}
.switch button[aria-pressed="true"] { background: var(--ink); color: var(--stone); }

.tariffs { display: grid; grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); gap: 24px; align-items: start; }
.tariff { border: 1px solid var(--line); background: var(--plate); padding: 28px; }
.tariff--lead { border-color: var(--patina); box-shadow: 0 0 0 1px var(--patina); }
.tariff__badge { font-family: var(--data); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--patina); display: block; margin-bottom: 10px; }
.tariff__price { font-family: var(--display); font-size: 42px; line-height: 1; margin: 12px 0 4px; }
.tariff__price span { font-family: var(--data); font-size: 13px; color: var(--muted); letter-spacing: 0.08em; }
.tariff__meta { font-family: var(--data); font-size: 12px; color: var(--muted); margin-bottom: 18px; }
.tariff .ticks { margin-bottom: 22px; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--plate); }
table { border-collapse: collapse; width: 100%; min-width: 520px; }
th, td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line-soft); font-size: 14px; vertical-align: top; }
th { font-family: var(--data); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); background: #f6f5f2; }
tr:last-child td { border-bottom: 0; }

/* ---------- akordeón ---------- */

.accordion { border-top: 1px solid var(--line); }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 40px 20px 0;
  position: relative;
  font-family: var(--display);
  font-size: 19px;
  color: var(--ink);
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after {
  content: "+";
  position: absolute;
  right: 6px; top: 18px;
  font-family: var(--data);
  color: var(--patina);
  font-size: 19px;
}
.accordion details[open] summary::after { content: "–"; }
.accordion .answer { padding: 0 40px 22px 0; color: var(--graphite); }
.accordion .answer p:last-child { margin-bottom: 0; }

/* ---------- blog / recenzie ---------- */

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.filters button {
  border: 1px solid var(--line);
  background: var(--plate);
  padding: 9px 16px;
  font-family: var(--data);
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--graphite);
  cursor: pointer;
  border-radius: var(--radius);
}
.filters button[aria-pressed="true"] { background: var(--ink); color: var(--stone); border-color: var(--ink); }

.post { border-top: 1px solid var(--line); padding: 30px 0; }
.post:last-of-type { border-bottom: 1px solid var(--line); }
.post__meta { font-family: var(--data); font-size: 11px; letter-spacing: 0.13em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.post h3 { margin-bottom: 10px; }
.post p:last-child { margin-bottom: 0; }

.quote { border: 1px solid var(--line); background: var(--plate); padding: 26px; }
.quote blockquote { margin: 0 0 16px; font-family: var(--display); font-size: 18px; line-height: 1.5; }
.quote figcaption { font-family: var(--data); font-size: 11px; letter-spacing: 0.13em; text-transform: uppercase; color: var(--muted); }
.stars { color: var(--patina); letter-spacing: 0.2em; font-size: 13px; margin-bottom: 14px; }

/* ---------- právne ---------- */

.legal-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 34px; }
.legal-nav a {
  border: 1px solid var(--line);
  background: var(--plate);
  padding: 9px 15px;
  font-family: var(--data);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--graphite);
  border-radius: var(--radius);
}
.legal-nav a:hover { background: var(--patina-wash); border-color: var(--patina-soft); text-decoration: none; }
.legal-doc { border-top: 1px solid var(--line); padding-top: 34px; margin-top: 34px; scroll-margin-top: 90px; }
.legal-doc h2 { margin-bottom: 6px; }
.legal-doc .stamp { font-family: var(--data); font-size: 11px; letter-spacing: 0.13em; text-transform: uppercase; color: var(--muted); margin-bottom: 20px; }
.legal-doc h3 { margin-top: 26px; }
.legal-doc ul { padding-left: 20px; }
.legal-doc li { margin-bottom: 8px; }

/* ---------- päta ---------- */

.footer {
  border-top: 1px solid var(--line);
  background: #ecebe7;
  padding: 54px 0 30px;
  font-size: 14px;
  color: var(--graphite);
}
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 34px; }
.footer h4 { font-family: var(--data); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 8px; }
.footer a { color: var(--graphite); }
.footer a:hover { color: var(--ink); }
.footer__base {
  border-top: 1px solid var(--line);
  margin-top: 36px;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--data);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- cookies ---------- */

.cookiebar {
  position: fixed;
  left: 16px; right: 16px; bottom: 16px;
  z-index: 50;
  background: var(--plate);
  border: 1px solid var(--ink);
  padding: 20px 22px;
  max-width: 760px;
  margin: 0 auto;
  display: none;
  box-shadow: 0 14px 40px rgba(22, 24, 26, .13);
}
.cookiebar[data-state="on"] { display: block; }
.cookiebar p { font-size: 14px; margin-bottom: 16px; }
.cookiebar__row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.cookiebar .btn { padding: 11px 18px; }

/* ---------- responzivita ---------- */

@media (max-width: 900px) {
  .hero__grid, .split, .split--narrow { grid-template-columns: 1fr; gap: 30px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: inline-block; }
  .nav {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--plate);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 16px;
  }
  .nav[data-state="on"] { display: flex; }
  .nav a { padding: 12px 4px; border-bottom: 1px solid var(--line-soft); }
  .masthead__row { position: relative; }
}

@media (max-width: 620px) {
  .band { padding: 54px 0; }
  .hero { padding: 44px 0 54px; }
  .form-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .steps > li { padding-left: 0; padding-top: 58px; }
  .steps > li::before { top: 22px; }
  .course__seg { font-size: 10px; }
}

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

@media print {
  .masthead, .cookiebar, .footer { display: none; }
}

.linkbtn {
  border: 0;
  background: none;
  padding: 0;
  font: inherit;
  color: var(--patina);
  text-decoration: underline;
  cursor: pointer;
}
.linkbtn:hover { color: var(--ink); }