/* Sahya s.r.o. — návrh webu (U148). Světlý, čistý, výrobní. */

:root {
  --inkoust: #1f3640;
  --text: #25404a;
  --tlumene: #5b6f78;
  --zelena: #3f8f35;
  --modra: #08798c;
  --linka: #dde8e6;
  --papir: #ffffff;
  --svetly: #f2f8f6;
  --obal: 1160px;
  --radius: 16px;
  --stin: 0 1px 2px rgba(31, 54, 64, .05), 0 12px 32px -18px rgba(31, 54, 64, .35);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--papir);
  color: var(--text);
  font: 400 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter",
        "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.obal { width: 100%; max-width: var(--obal); margin: 0 auto; padding: 0 24px; }
.obal.uzky { max-width: 780px; }

h1, h2, h3, h4 { color: var(--inkoust); line-height: 1.18; letter-spacing: -.018em; margin: 0; }
h1 { font-size: clamp(34px, 5.2vw, 56px); font-weight: 680; }
h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 660; }
h3 { font-size: 19px; font-weight: 640; }
h4 { font-size: 14px; font-weight: 640; letter-spacing: .06em; text-transform: uppercase; color: var(--tlumene); }
p { margin: 0 0 16px; }
a { color: var(--modra); }

em { font-style: normal; }

/* ── pruh „tohle je návrh" ───────────────────────────────────────── */
.navrh-pruh {
  background: #1f3640;
  color: #cfe6e0;
  font-size: 13.5px;
  line-height: 1.5;
  padding: 9px 0;
  text-align: center;
  letter-spacing: .01em;
}

/* ── horní pás ───────────────────────────────────────────────────── */
.horni {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--linka);
}
.horni-obsah { display: flex; align-items: center; gap: 22px; min-height: 70px; }

.logo {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--inkoust); text-decoration: none; font-weight: 680;
  letter-spacing: .08em; font-size: 17px;
}
.logo-znak { width: auto; height: 34px; flex: 0 0 auto; display: block; }
.logo-cele { display: block; width: 190px; height: auto; }
.logo-text { display: inline-flex; align-items: baseline; gap: 7px; }
.logo-text em { font-size: 11px; letter-spacing: .12em; color: var(--tlumene); font-weight: 560; }

.horni nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.horni nav a {
  color: var(--text); text-decoration: none; font-size: 15.5px; font-weight: 520;
  padding: 8px 12px; border-radius: 9px;
}
.horni nav a:hover { background: var(--svetly); color: var(--inkoust); }
.horni nav a[aria-current="page"] { color: var(--zelena); background: rgba(63, 143, 53, .09); }

.jazyky { display: flex; gap: 2px; border: 1px solid var(--linka); border-radius: 10px; padding: 3px; }
.jazyk {
  text-decoration: none; color: var(--tlumene); font-size: 12.5px; font-weight: 620;
  letter-spacing: .05em; padding: 5px 9px; border-radius: 7px;
}
.jazyk:hover { background: var(--svetly); color: var(--inkoust); }
.jazyk.vybrany { background: var(--inkoust); color: #fff; }

.prepinac-menu { display: none; }

/* ── hrdina ──────────────────────────────────────────────────────── */
.hrdina {
  background:
    radial-gradient(1000px 420px at 88% -10%, rgba(63, 143, 53, .13), transparent 62%),
    radial-gradient(760px 380px at 4% 0%, rgba(14, 165, 184, .10), transparent 60%),
    var(--papir);
  border-bottom: 1px solid var(--linka);
  padding: clamp(44px, 6vw, 84px) 0 clamp(40px, 5vw, 72px);
}
.hrdina-mrizka { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hrdina-mrizka.sam { grid-template-columns: 1fr; max-width: 860px; }
.znacka {
  font-size: 12.5px; font-weight: 660; letter-spacing: .13em; text-transform: uppercase;
  color: var(--zelena); margin: 0 0 14px;
}
.hrdina .perex { font-size: 19px; color: var(--tlumene); max-width: 33em; margin-top: 18px; }
.kresba { width: 100%; height: auto; color: var(--inkoust); }
.hrdina-obraz {
  background: var(--papir); border: 1px solid var(--linka); border-radius: 22px;
  padding: 18px; box-shadow: var(--stin);
}

.tlacitka { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.tl {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 22px; border-radius: 11px; text-decoration: none;
  font-weight: 600; font-size: 15.5px; border: 1px solid transparent;
  transition: transform .12s ease, background .15s ease;
}
.tl:hover { transform: translateY(-1px); }
.tl.plne { background: var(--inkoust); color: #fff; }
.tl.plne:hover { background: #2b4955; }
.tl.prazdne { border-color: var(--linka); color: var(--inkoust); background: var(--papir); }
.tl.prazdne:hover { background: var(--svetly); }

.cipy { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 28px 0 0; }
.cipy li {
  font-size: 13.5px; font-weight: 550; color: var(--inkoust);
  background: var(--svetly); border: 1px solid var(--linka);
  padding: 6px 12px; border-radius: 999px;
}

/* ── pásek čísel — barevný pruh z barev loga (zelená → tyrkys) ──── */
.pasek-cisel {
  background:
    radial-gradient(700px 240px at 85% 0%, rgba(140, 195, 75, .35), transparent 70%),
    linear-gradient(115deg, #2f7a36 0%, #1f7f6a 48%, #0a7a90 100%);
  color: #fff;
}
.cisla { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-top: 38px; padding-bottom: 38px; }
.cislo { display: flex; flex-direction: column; gap: 6px; }
.cislo strong {
  font-size: clamp(28px, 3.4vw, 40px); font-weight: 700; color: #fff;
  letter-spacing: -.02em; line-height: 1.1;
}
.cislo span { font-size: 14.5px; color: rgba(255, 255, 255, .86); }

/* ── sekce ───────────────────────────────────────────────────────── */
.pas { padding: clamp(48px, 6vw, 82px) 0; }
.pas-svetly { background: var(--svetly); border-top: 1px solid var(--linka); border-bottom: 1px solid var(--linka); }

.hlavicka-sekce { max-width: 720px; margin-bottom: 38px; }
.nadocko {
  font-size: 12.5px; font-weight: 660; letter-spacing: .13em; text-transform: uppercase;
  color: var(--zelena); margin: 0 0 12px;
}
.perex-sekce { color: var(--tlumene); font-size: 17.5px; margin: 16px 0 0; }

.mrizka-karet { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.karta {
  background: var(--papir); border: 1px solid var(--linka); border-radius: var(--radius);
  padding: 26px 24px; box-shadow: var(--stin);
}
.karta h3 { margin: 16px 0 8px; }
.karta p { color: var(--tlumene); font-size: 15.5px; margin: 0; }
.ikona { width: 26px; height: 26px; color: var(--zelena); display: block; }
.odrazky { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 7px; }
.odrazky li {
  position: relative; padding-left: 20px; font-size: 14.5px; color: var(--text);
}
.odrazky li::before {
  content: ""; position: absolute; left: 3px; top: .62em; width: 7px; height: 7px;
  border-radius: 50%; background: var(--zelena); opacity: .55;
}

/* ── proces ──────────────────────────────────────────────────────── */
.proces { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; counter-reset: k; }
.proces li {
  display: grid; grid-template-columns: 46px 1fr; gap: 18px; align-items: start;
  padding: 22px 0; border-top: 1px solid var(--linka);
}
.proces li:last-child { border-bottom: 1px solid var(--linka); }
.poradi {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--papir); border: 1px solid var(--linka);
  font-weight: 680; color: var(--zelena); font-size: 15px;
}
.proces h3 { margin: 6px 0 6px; }
.proces p { color: var(--tlumene); font-size: 15.5px; margin: 0; }

/* ── próza ───────────────────────────────────────────────────────── */
.proza p { color: var(--text); }
.proza h3 { margin: 30px 0 10px; }
.proza h3:first-child { margin-top: 0; }

/* ── tabulka ─────────────────────────────────────────────────────── */
.tabulka-obal {
  overflow-x: auto; border: 1px solid var(--linka); border-radius: var(--radius);
  background: var(--papir); box-shadow: var(--stin);
}
table { border-collapse: collapse; width: 100%; min-width: 520px; font-size: 15.5px; }
th, td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--linka); }
thead th {
  font-size: 12.5px; letter-spacing: .07em; text-transform: uppercase;
  color: var(--tlumene); font-weight: 640; background: var(--svetly);
}
tbody tr:last-child td { border-bottom: none; }
tbody td:first-child { font-weight: 620; color: var(--inkoust); }
.poznamka { font-size: 14px; color: var(--tlumene); margin: 14px 0 0; }

/* ── galerie vlastních kreseb strojů ─────────────────────────────── */
.galerie-kreseb { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.kresba-karta {
  margin: 0; background: var(--papir); border: 1px solid var(--linka);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--stin);
  display: flex; flex-direction: column;
}
.kresba-karta .kresba-stroj {
  display: block; width: 100%; height: auto;
  background: var(--inkoust); padding: 14px 10px 6px;
}
.kresba-karta figcaption { padding: 20px 24px 24px; }
.kresba-karta h3 { margin: 0 0 8px; }
.kresba-karta p { color: var(--tlumene); font-size: 15.5px; margin: 0; }

/* ── výzva ───────────────────────────────────────────────────────── */
.vyzva {
  background:
    radial-gradient(620px 260px at 92% 10%, rgba(14, 165, 184, .30), transparent 70%),
    radial-gradient(520px 240px at 0% 100%, rgba(140, 195, 75, .22), transparent 70%),
    var(--inkoust);
  color: #d9e9e5; padding: clamp(44px, 5.5vw, 70px) 0;
}
.vyzva h2 { color: #fff; }
.vyzva p { color: #b5ccd0; margin: 12px 0 0; max-width: 46em; }
.vyzva-obsah { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.vyzva .tl.plne { background: linear-gradient(120deg, #8cc34b, #3fb39a); color: #0f2412; }
.vyzva .tl.plne:hover { background: linear-gradient(120deg, #9bd15a, #0ea5b8); }
.vyzva .tl.prazdne { background: transparent; border-color: rgba(255, 255, 255, .28); color: #fff; }
.vyzva .tl.prazdne:hover { background: rgba(255, 255, 255, .08); }
.vyzva .tlacitka { margin-top: 0; }

/* ── technologický panel — tmavý, s mřížkou jako plošný spoj v logu ── */
.tech {
  position: relative; overflow: hidden;
  padding: clamp(56px, 7vw, 96px) 0;
  background:
    radial-gradient(760px 360px at 100% 0%, rgba(14, 165, 184, .26), transparent 68%),
    radial-gradient(640px 320px at 0% 100%, rgba(140, 195, 75, .20), transparent 68%),
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px) 0 0 / 34px 34px,
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px) 0 0 / 34px 34px,
    #172b33;
  color: #c9dbde;
}
.tech h2 { color: #fff; }
.tech .nadocko {
  background: linear-gradient(90deg, #8cc34b, #0ea5b8);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.tech .perex-sekce { color: #a9c1c6; }
.tech-mrizka { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.tech-polozka {
  position: relative; padding: 24px 22px 22px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .10); border-radius: var(--radius);
  backdrop-filter: blur(4px);
}
.tech-polozka::before {
  content: ""; position: absolute; left: 22px; right: 22px; top: 0; height: 2px;
  background: linear-gradient(90deg, #8cc34b, #0ea5b8); border-radius: 2px;
}
.tech-cislo {
  font: 600 13px ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: .1em;
  color: #7fd0c0;
}
.tech-polozka h3 { color: #fff; margin: 10px 0 8px; font-size: 18px; }
.tech-polozka p { color: #aec5ca; font-size: 15px; margin: 0; }

/* ── karta s barevným horním okrajem (jednotná identita) ─────────── */
.karta { position: relative; overflow: hidden; }
.karta::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, #8cc34b, #0ea5b8); opacity: .85;
}

/* ── poptávkový formulář ─────────────────────────────────────────── */
.pas-formular { background: var(--svetly); border-top: 1px solid var(--linka); }
.formular-karta {
  background: var(--papir); border: 1px solid var(--linka); border-radius: 20px;
  padding: clamp(22px, 3.5vw, 40px); box-shadow: var(--stin); position: relative; overflow: hidden;
}
.formular-karta::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px;
  background: linear-gradient(90deg, #8cc34b, #0ea5b8);
}
.formular-mrizka { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 20px; }
.pole { display: flex; flex-direction: column; gap: 6px; }
.pole span { font-size: 13.5px; font-weight: 620; color: var(--inkoust); letter-spacing: .01em; }
.pole input, .pole select, .pole textarea {
  font: inherit; font-size: 16px; color: var(--inkoust);
  background: #fbfdfc; border: 1px solid #cfdcda; border-radius: 11px;
  padding: 11px 13px; width: 100%;
}
.pole textarea { resize: vertical; min-height: 140px; }
.pole input:focus, .pole select:focus, .pole textarea:focus {
  outline: none; border-color: #0ea5b8; box-shadow: 0 0 0 3px rgba(14, 165, 184, .18);
}
.pole-siroke { margin-top: 16px; }
.formular-souhlas { font-size: 13.5px; color: var(--tlumene); margin: 16px 0 18px; }
.skryte { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.formular-dekujeme h3 { color: var(--zelena); margin-bottom: 8px; }

/* ── kontakt ─────────────────────────────────────────────────────── */
.mrizka-kontakt { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.kontakt-polozka {
  display: flex; gap: 14px; align-items: flex-start;
  border: 1px solid var(--linka); border-radius: var(--radius);
  padding: 22px; background: var(--papir); box-shadow: var(--stin);
}
.kontakt-polozka span {
  display: block; font-size: 12.5px; letter-spacing: .07em; text-transform: uppercase;
  color: var(--tlumene); font-weight: 620; margin-bottom: 5px;
}
.kontakt-polozka strong, .kontakt-polozka a { font-size: 16px; font-weight: 600; color: var(--inkoust); }
.kontakt-polozka a { color: var(--modra); }

/* ── patička ─────────────────────────────────────────────────────── */
footer { background: var(--svetly); border-top: 1px solid var(--linka); padding: 52px 0 26px; margin-top: 0; }
.paticka { display: grid; grid-template-columns: 1.4fr 1fr 1.1fr; gap: 36px; }
.logo-paticka { margin-bottom: 14px; }
.paticka-popis { color: var(--tlumene); font-size: 15px; max-width: 32em; }
.paticka-seznam { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 9px; }
.paticka-seznam a { color: var(--text); text-decoration: none; font-size: 15px; }
.paticka-seznam a:hover { color: var(--zelena); }
footer address { font-style: normal; color: var(--tlumene); font-size: 15px; margin-top: 14px; line-height: 1.75; }
.paticka-dole {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  border-top: 1px solid var(--linka); margin-top: 40px; padding-top: 20px;
}
.paticka-dole p { font-size: 13.5px; color: var(--tlumene); margin: 0; }

/* ── malé obrazovky ──────────────────────────────────────────────── */
@media (max-width: 960px) {
  .tech-mrizka { grid-template-columns: 1fr 1fr; }
  .hrdina-mrizka { grid-template-columns: 1fr; gap: 34px; }
  .mrizka-karet, .mrizka-kontakt { grid-template-columns: 1fr 1fr; }
  .galerie-kreseb { grid-template-columns: 1fr 1fr; }
  .cisla { grid-template-columns: 1fr 1fr; }
  .paticka { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  body { font-size: 16.5px; }
  .horni-obsah { flex-wrap: wrap; min-height: 62px; gap: 12px; }
  .prepinac-menu {
    display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
    margin-left: auto; width: 42px; height: 38px; padding: 0 9px;
    background: var(--papir); border: 1px solid var(--linka); border-radius: 10px; cursor: pointer;
  }
  .prepinac-menu span { display: block; height: 2px; background: var(--inkoust); border-radius: 2px; }
  .horni nav {
    display: none; width: 100%; flex-direction: column; gap: 2px;
    margin: 0 0 12px; order: 5;
  }
  .horni nav.otevrene { display: flex; }
  .horni nav a { padding: 11px 12px; }
  .jazyky { order: 4; }
  .mrizka-karet, .mrizka-kontakt, .paticka, .galerie-kreseb { grid-template-columns: 1fr; }
  .vyzva-obsah { flex-direction: column; align-items: flex-start; }
  .proces li { grid-template-columns: 1fr; gap: 10px; }
  .tech-mrizka, .formular-mrizka { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .tl:hover { transform: none; }
}

/* kotva formuláře nesmí zajet pod přilepenou hlavičku */
.pas-formular { scroll-margin-top: 96px; }