/* TALLRA Labs – V2 (tmavá výchozí, světlá přes html[data-theme="light"]) */

/* --- Písma (vlastní, bez cizích serverů) --- */
@font-face {
  font-family: "Figtree"; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url("pisma/figtree-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Figtree"; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url("pisma/figtree-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Unbounded"; font-style: normal; font-weight: 500 700; font-display: swap;
  src: url("pisma/unbounded-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Unbounded"; font-style: normal; font-weight: 500 700; font-display: swap;
  src: url("pisma/unbounded-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --navy: #001F3F;            /* značková modrá – v obou variantách stejná */
  --oranz: #FF6A2E;
  --zelena: #1F7A4D;
  --zluta: #F5C400;
  --nadpis: "Unbounded", "Figtree", system-ui, sans-serif;
  --pismo: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --r: 14px;

  /* tmavá */
  --pozadi: #001F3F;          /* stránka */
  --plocha: #042A52;          /* světlejší pásy, okna, lišty */
  --karta: #001F3F;           /* karty uvnitř pásů */
  --hlava-bg: rgba(0, 31, 63, .82);
  --cara: rgba(255, 255, 255, .12);
  --cara-silna: rgba(255, 255, 255, .22);
  --text: #F4F7FB;
  --tlumene: #9FB3CC;
  --obrys-hover: #fff;
  --obrys-hover-bg: rgba(255, 255, 255, .05);
  --mrizka-uvod: rgba(255, 255, 255, .055);
  --mrizka-firma: rgba(255, 255, 255, .18);
  --tecka-lista: rgba(255, 255, 255, .18);
  --provoz: #3DDC84;
  --provoz-kruh: rgba(61, 220, 132, .2);
  --telefon-ram: #042A52;
  --stin-okno: 0 40px 80px -30px rgba(0, 0, 0, .7);
  --stin-telefon: 0 30px 60px -20px rgba(0, 0, 0, .8);
  --cislo: #FF6A2E;           /* číslice kapitol a kroků: oranžová na navy = 6:1 */
}
html[data-theme="light"] {
  --pozadi: #F6F8FB;
  --plocha: #E8EEF5;
  --karta: #FFFFFF;
  --hlava-bg: rgba(246, 248, 251, .86);
  --cara: rgba(0, 31, 63, .12);
  --cara-silna: rgba(0, 31, 63, .22);
  --text: #001F3F;
  --tlumene: #4A5E78;
  --obrys-hover: #001F3F;
  --obrys-hover-bg: rgba(0, 31, 63, .05);
  --mrizka-uvod: rgba(0, 31, 63, .11);
  --tecka-lista: rgba(0, 31, 63, .18);
  --provoz: #1F7A4D;
  --provoz-kruh: rgba(31, 122, 77, .18);
  --telefon-ram: #001F3F;
  --stin-okno: 0 40px 80px -30px rgba(0, 31, 63, .35);
  --stin-telefon: 0 30px 60px -20px rgba(0, 31, 63, .45);
  --cislo: #001F3F;           /* oranžová na světlém má jen 2,4–2,9:1 → číslice navy */
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--pozadi);
  color: var(--text);
  font-family: var(--pismo);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, ul, ol, dl, figure { margin: 0; }

.obal { width: min(1180px, 100% - 48px); margin-inline: auto; }

/* --- Logo a značka --- */
.logo { display: inline-flex; align-items: center; gap: 12px; }
.slovo {
  font-family: var(--nadpis); font-weight: 700; font-size: 22px; letter-spacing: -0.03em; line-height: 1;
  white-space: nowrap;
}
.slovo i { display: inline-block; width: .27em; height: .27em; margin-left: .07em; background: var(--oranz); vertical-align: baseline; }
.znacka { width: 26px; height: 26px; }
.znacka rect, .uvod-znacka rect, .firma-znacka rect { fill: currentColor; }
.znacka rect.akcent, .uvod-znacka rect.akcent, .firma-znacka rect.akcent { fill: var(--oranz); }

/* --- Hlavička --- */
.hlava {
  position: sticky; top: 0; z-index: 10;
  background: var(--hlava-bg);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--cara);
}
.hlava-in { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.menu { display: flex; align-items: center; gap: 32px; font-size: 15px; font-weight: 500; color: var(--tlumene); }
.menu a:hover { color: var(--text); }
.vzhled {
  width: 36px; height: 36px; margin-left: -8px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--cara-silna); border-radius: 10px; background: transparent; color: var(--tlumene); cursor: pointer;
}
.vzhled:hover { color: var(--text); border-color: var(--obrys-hover); }
.ik-mesic { display: none; }
html[data-theme="light"] .ik-slunce { display: none; }
html[data-theme="light"] .ik-mesic { display: block; }
.nabidka { display: none; }

/* --- Tlačítka --- */
.tl {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 15px 24px; border-radius: 10px;
  font-weight: 600; font-size: 16px; line-height: 1; white-space: nowrap;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.tl:hover { transform: translateY(-1px); }
.tl-hlavni { background: var(--oranz); color: var(--navy); }
.tl-hlavni:hover { background: #FF7F4F; }
.tl-vedlejsi { border: 1px solid var(--cara-silna); color: var(--text); }
.tl-vedlejsi:hover { border-color: var(--obrys-hover); background: var(--obrys-hover-bg); }
.tl-maly { padding: 11px 18px; font-size: 14px; }

/* --- Štítky --- */
.stitek {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--tlumene);
}
.ctverec { width: 9px; height: 9px; background: var(--oranz); }
.cislo-casti {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--tlumene);
  margin-bottom: 20px;
}
.cislo-casti::before { content: ""; width: 9px; height: 9px; background: var(--oranz); flex: none; }
.cislo-casti b { color: var(--cislo); margin-right: 2px; font-family: var(--nadpis); font-weight: 600; letter-spacing: 0; }

/* --- Úvod --- */
.uvod { position: relative; padding: 96px 0 0; overflow: hidden; }
.uvod .obal:first-child { position: relative; }
h1 {
  font-family: var(--nadpis); font-weight: 700;
  font-size: clamp(34px, 4.7vw, 60px); line-height: 1.06; letter-spacing: -0.025em;
  max-width: 15ch; margin: 28px 0 20px;
}
.uvod-pro {
  font-family: var(--nadpis); font-weight: 500;
  font-size: clamp(18px, 2vw, 26px); letter-spacing: -0.01em; color: var(--tlumene);
  margin-bottom: 28px;
}
.uvod-text { font-size: 20px; color: var(--tlumene); max-width: 560px; margin-bottom: 36px; }
.tlacitka { display: flex; gap: 14px; flex-wrap: wrap; }

.uvod-znacka {
  position: absolute; right: -10px; top: -30px; width: 340px; height: 340px;
  color: var(--mrizka-uvod); pointer-events: none;
}
.uvod-znacka rect.akcent { filter: drop-shadow(0 0 30px rgba(255, 106, 46, .55)); }
html[data-theme="light"] .uvod-znacka rect.akcent { filter: none; }

.uvod-vizual {
  position: relative; margin-top: 72px; height: 620px;
}
.uvod-vizual::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 220px;
  background: linear-gradient(to bottom, transparent, var(--pozadi) 85%);
  pointer-events: none;
}
.okno {
  background: var(--plocha);
  border: 1px solid var(--cara-silna); border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--stin-okno);
}
.okno-lista {
  display: flex; align-items: center; gap: 7px; height: 36px; padding: 0 14px;
  border-bottom: 1px solid var(--cara); background: var(--plocha);
}
.okno-lista span { width: 10px; height: 10px; border-radius: 50%; background: var(--tecka-lista); }
.okno-lista em { font-style: normal; font-size: 12px; color: var(--tlumene); margin-left: 10px; letter-spacing: .02em; }
.okno-velke { position: absolute; left: 0; top: 0; width: 78%; }
.okno-male { position: absolute; right: 0; top: 150px; width: 44%; z-index: 2; }

/* --- Části --- */
.cast { padding: 104px 0; scroll-margin-top: 68px; }
.cast-svetlejsi { background: var(--plocha); border-top: 1px solid var(--cara); border-bottom: 1px solid var(--cara); }
h2 {
  font-family: var(--nadpis); font-weight: 600;
  font-size: clamp(26px, 3.1vw, 40px); line-height: 1.15; letter-spacing: -0.02em;
  max-width: 20ch; margin-bottom: 64px;
}

/* --- Produkty --- */
.produkt {
  display: grid; grid-template-columns: 5fr 7fr; gap: 64px; align-items: center;
  padding: 56px 0; border-top: 1px solid var(--cara);
}
.produkt-obracene { grid-template-columns: 7fr 5fr; }
.produkt-obracene .produkt-text { order: 2; }
.produkt-obracene .produkt-vizual { order: 1; }
.nazev {
  font-family: var(--nadpis); font-weight: 700; font-size: 38px; letter-spacing: -0.03em; line-height: 1; white-space: nowrap;
}
.nazev i { display: inline-block; width: .27em; height: .27em; margin-left: .07em; vertical-align: baseline; }
.nazev i.zelena { background: var(--zelena); }
.nazev i.zluta { background: var(--zluta); }
.nazev-maly { font-size: 26px; }
.provoz {
  display: inline-flex; align-items: center; gap: 8px; margin: 18px 0 24px;
  padding: 6px 12px 6px 10px; border-radius: 999px; border: 1px solid var(--cara-silna);
  font-size: 13px; font-weight: 600; letter-spacing: .04em;
}
.tecka { width: 8px; height: 8px; border-radius: 50%; background: var(--provoz); box-shadow: 0 0 0 3px var(--provoz-kruh); }
.produkt-popis { font-size: 19px; color: var(--tlumene); margin-bottom: 28px; }
.body { list-style: none; padding: 0; margin-bottom: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
.body li { padding: 12px 0 12px 22px; border-top: 1px solid var(--cara); position: relative; font-weight: 500; font-size: 15.5px; }
.body li::before { content: ""; position: absolute; left: 0; top: 19px; width: 8px; height: 8px; background: var(--oranz); }

.produkt-vizual { position: relative; padding: 0 0 48px 0; }
.produkt-obracene .produkt-vizual { padding-right: 90px; }
.produkt:not(.produkt-obracene) .produkt-vizual { padding-right: 90px; }
.telefon {
  position: absolute; right: 0; bottom: 0; width: 170px;
  border-radius: 22px; border: 1px solid var(--cara-silna); overflow: hidden;
  background: var(--telefon-ram); box-shadow: var(--stin-telefon);
  padding: 8px;
}
.telefon img { border-radius: 14px; }

/* --- Spolupráce --- */
.cesty { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 72px; }
.cesta {
  padding: 36px; border-radius: var(--r); border: 1px solid var(--cara); background: var(--karta);
}
.cesta h3 { font-family: var(--nadpis); font-weight: 600; font-size: 22px; letter-spacing: -0.02em; margin-bottom: 14px; }
.cesta p { color: var(--tlumene); font-size: 17px; }
.kroky { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr 1fr; }
.kroky li { padding: 28px 32px 8px 0; border-top: 1px solid var(--cara-silna); }
.kroky b { display: block; font-family: var(--nadpis); font-weight: 700; font-size: 56px; line-height: 1; color: var(--cislo); margin-bottom: 20px; }
.kroky h4 { font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.kroky p { color: var(--tlumene); }

/* --- O firmě --- */
.firma { display: grid; grid-template-columns: 7fr 5fr; gap: 80px; align-items: start; }
.prohlaseni { font-size: clamp(22px, 2.4vw, 30px); line-height: 1.35; letter-spacing: -0.01em; color: var(--tlumene); margin-bottom: 48px; }
.prohlaseni strong { color: var(--text); font-weight: 600; }
.udaje { display: grid; gap: 0; }
.udaje div { display: grid; grid-template-columns: 150px 1fr; gap: 16px; padding: 14px 0; border-top: 1px solid var(--cara); font-size: 15.5px; }
.udaje dt { color: var(--tlumene); }
.udaje dd { margin: 0; }
.firma-znacka {
  padding: 40px; border-radius: var(--r); border: 1px solid var(--cara); background: var(--plocha);
  color: var(--mrizka-firma);
}
/* Ve světlé variantě zůstává karta se značkou tmavě modrá – kvůli kontrastu a rytmu. */
html[data-theme="light"] .firma-znacka { background: var(--navy); border-color: var(--navy); --text: #F4F7FB; --tlumene: #9FB3CC; }
.firma-znacka svg { width: 60%; max-width: 220px; margin-bottom: 36px; }
.znacka-popis { color: var(--tlumene); font-size: 17px; max-width: 28ch; }
.slogan { font-family: var(--nadpis); font-weight: 700; font-size: 40px; letter-spacing: -0.03em; color: var(--text); margin-top: 24px; }

/* --- Kontakt --- */
.kontakty { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.kontakt {
  padding: 36px; border-radius: var(--r); border: 1px solid var(--cara); background: var(--karta);
  display: flex; flex-direction: column; align-items: flex-start; gap: 12px;
}
.kontakt > p { color: var(--tlumene); }
.kontakt .tl { margin: 12px 0 10px; }
.mail { font-weight: 600; }
.mail:hover { text-decoration: underline; }
.mail-podpora { font-weight: 400; color: var(--tlumene); font-size: 15px; }
.telefon-cislo { font-family: var(--nadpis); font-weight: 600; font-size: 24px; letter-spacing: -0.02em; margin: 8px 0; white-space: nowrap; }

/* --- Patička --- */
.pata { padding: 48px 0 56px; border-top: 1px solid var(--cara); }
.pata-in { display: grid; gap: 20px; font-size: 14px; color: var(--tlumene); }
.pata .logo { color: var(--text); }
.pata-odkazy { display: flex; gap: 24px; font-weight: 600; color: var(--text); }
/* Ve světlé variantě zůstává patička tmavě modrá. */
html[data-theme="light"] .pata { background: var(--navy); border-top-color: var(--navy); --text: #F4F7FB; --tlumene: #9FB3CC; }

/* --- Objevení při rolování --- */
.objevit { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.objevit.videt { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .objevit { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* --- Responzivita --- */
@media (max-width: 980px) {
  .uvod-znacka { width: 240px; height: 240px; top: -40px; }
  .uvod-vizual { height: auto; }
  .uvod-vizual::after { height: 140px; }
  .okno-velke { position: static; width: 100%; }
  .okno-male { display: none; }
  .produkt { grid-template-columns: 1fr; gap: 40px; }
  .produkt-obracene .produkt-text { order: 1; }
  .produkt-obracene .produkt-vizual { order: 2; }
  .firma { grid-template-columns: 1fr; gap: 40px; }
  .kontakty { grid-template-columns: 1fr 1fr; }
  .kontakt-telefon { grid-column: 1 / -1; }
}
@media (max-width: 700px) {
  body { font-size: 16px; }
  .obal { width: min(1180px, 100% - 32px); }
  .hlava .tl { display: none; }
  .hlava-in { height: 60px; }
  .nabidka {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 44px; height: 44px; margin-right: -10px; padding: 0 10px;
    border: 0; background: transparent; color: var(--text); cursor: pointer;
  }
  .nabidka span { display: block; height: 2px; background: currentColor; border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
  .nabidka[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nabidka[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nabidka[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .menu {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 16px 16px; background: var(--pozadi); border-bottom: 1px solid var(--cara);
    box-shadow: 0 24px 40px -20px rgba(0, 0, 0, .5);
    font-size: 17px;
  }
  .menu.otevreno { display: flex; }
  .menu a { display: flex; align-items: center; min-height: 48px; border-top: 1px solid var(--cara); color: var(--text); }
  .menu a:first-child { border-top: 0; }
  .vzhled { width: 44px; height: 44px; margin: 12px 0 0; }
  .uvod { padding-top: 56px; }
  .uvod-znacka { display: none; }
  .uvod-text { font-size: 18px; }
  .tlacitka .tl { width: 100%; justify-content: center; }
  .uvod-vizual { margin-top: 48px; }
  .okno-lista { height: 30px; }
  .okno-lista em { display: none; }
  .cast { padding: 72px 0; }
  h2 { margin-bottom: 40px; }
  .produkt { padding: 40px 0; }
  .nazev { font-size: 30px; }
  .body { grid-template-columns: 1fr; }
  .produkt-vizual, .produkt:not(.produkt-obracene) .produkt-vizual, .produkt-obracene .produkt-vizual { padding: 0 0 40px 0; }
  .telefon { width: 120px; right: 8px; bottom: 0; }
  .cesty { grid-template-columns: 1fr; margin-bottom: 48px; }
  .cesta, .kontakt, .firma-znacka { padding: 24px; }
  .kroky { grid-template-columns: 1fr; }
  .kroky li { padding: 20px 0 20px; }
  .kroky b { font-size: 40px; margin-bottom: 10px; }
  .udaje div { grid-template-columns: 1fr; gap: 2px; }
  .kontakty { grid-template-columns: 1fr; }
  .telefon-cislo { font-size: 20px; }
  .pata-odkazy { flex-wrap: wrap; }
}