/* styles.css */
/* =========================================================
   Design system / Tokens
   ========================================================= */
:root{
  --color-bg: #ffffff;
  --color-text: #0f172a;
  --color-muted: #6b7280;
  --color-accent: #0E1E2B;       /* inkoust */
  --color-accent-2: #BFA27A;     /* zlatá */

  --radius: 12px;
  --radius-sm: 8px;

  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;

  --font-sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;

  --shadow-1: 0 8px 24px rgba(14,30,43,.08);
  --shadow-2: 0 12px 32px rgba(14,30,43,.12);

  --max-w: 1200px;

  /* Layout */
  --header-h: 80px; /* dynamicky se přepočítá v JS */
}

@media (prefers-color-scheme: dark){
  :root{
    --color-bg: #0b1117;
    --color-text: #eef2f6;
    --color-muted: #94a3b8;
    --shadow-1: 0 8px 24px rgba(0,0,0,.35);
    --shadow-2: 0 12px 32px rgba(0,0,0,.45);
  }
}

/* =========================================================
   Base
   ========================================================= */
*{ box-sizing: border-box; }
html{ scroll-behavior: auto; } /* Lenis/JS převezme řízení; fallback níže */
@media (prefers-reduced-motion: no-preference){
  html{ scroll-behavior: smooth; }
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
}

body{
  margin:0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img{ max-width:100%; height:auto; border-radius: var(--radius-sm); display:block; }
a{ color: var(--color-accent); text-decoration: none; }
a:hover{ text-decoration: underline; }

.container{ width: min(100% - 2rem, var(--max-w)); margin-inline: auto; }

.skip-link{
  position: absolute; left:-999px; top:auto;
  background: var(--color-accent); color:#fff; padding: .5rem 1rem; border-radius: 6px;
}
.skip-link:focus{ left: 1rem; top: 1rem; z-index: 9999; }

/* A11y utility */
.sr-only{
  position:absolute!important; width:1px!important; height:1px!important;
  padding:0!important; margin:-1px!important; overflow:hidden!important; clip:rect(0,0,0,0)!important; white-space:nowrap!important; border:0!important;
}

/* =========================================================
   Header / Navigation (glass, sticky)
   ========================================================= */
.site-header{
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background: rgba(22, 27, 32, 0.45);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: background .3s ease, backdrop-filter .3s ease, box-shadow .3s ease;
  color: #fff;
}
.site-header.scrolled{
  background: rgba(5, 8, 12, 0.93);
  box-shadow: 0 1px 6px rgba(0,0,0,.3);
}

.site-header__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: .9rem 0;
  background: transparent;
}

.brand{ display:flex; align-items:center; gap:.6rem; color:#fff; }
.brand__name{
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  letter-spacing: .10em;
  text-transform: uppercase;
  color:#fff;
  line-height:1.1;
}

/* Nav */
.nav__toggle{
  display:none; background:none;
  border:1px solid rgba(255,255,255,.28);
  border-radius:8px; padding:.45rem .6rem; color:#fff;
}
.nav__list{
  display:flex; gap:.25rem; align-items:center; list-style:none; margin:0; padding:0;
  background: transparent;
}
.nav__link{
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.02em;
  font-weight: 500;
  display:inline-block;
  padding: .6rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}
.nav__link:hover{
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.15);
  text-decoration: none;
  color: #fff;
}
.nav__link[aria-current="page"], .nav__link.is-active{
  background: rgba(255,255,255,.15);
  border-color: rgba(255,255,255,.25);
  color:#fff;
}

/* CTA vpravo */
.button--outline{
  --btn-bg: transparent; --btn-fg: #fff;
  color:#fff;
  border-color: rgba(255,255,255,.25);
  background: rgba(255,255,255,.05);
}
.button--outline:hover{
  background: rgba(255,255,255,.15);
  border-color: rgba(255,255,255,.4);
}

/* Mobile menu */
@media (max-width: 860px){
  .nav__toggle{ display:block; }
  .nav__list{
    position: absolute; right:1rem; top: calc(var(--header-h) - .5rem);
    min-width: 260px;
    background: rgba(10,16,24,.94);
    border:1px solid rgba(255,255,255,.12);
    border-radius: 12px; padding:.5rem; box-shadow: var(--shadow-2);
    display:none; flex-direction:column; gap:.25rem;
    backdrop-filter: blur(10px) saturate(120%);
  }
  .nav__list.is-open{ display:flex; }
  .nav__link{ width:100%; }
}

/* Odkazy v headeru konzistentně bílé */
.site-header a{ color: rgba(255,255,255,.92); }
.site-header a:hover{ color:#fff; }

/* =========================================================
   Hero
   ========================================================= */
.hero--fullbleed{
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 820px;
  background: url("images/hero.webp") center top / cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin: 0;
  padding: 0;
  overflow: hidden;
}
@supports (height: 100dvh){ .hero--fullbleed{ height: 100dvh; } }

/* vytáhnout hero pod sticky header (viz HTML struktura) */
.site-header[data-sticky] + main .hero--fullbleed{
  margin-top: calc(var(--header-h) * -1);
}

.hero__overlay{
  position:absolute; inset:0;
  background: linear-gradient(rgba(0,0,0,.55), rgba(0,0,0,.55));
  z-index:1;
}
.hero__inner{
  position: relative; z-index:2; max-width: 1100px; text-align: left;
  padding-top: clamp(12vh, 18vh, 22vh);
}
.hero__title{
  font-family: var(--font-serif); font-weight:700;
  font-size: 3.2rem; line-height:1.2; margin: 0 0 1rem; color:#fff;
  text-shadow: 0 6px 24px rgba(0,0,0,.35);
}
.hero__subtitle{
  font-size: 1.15rem; color:#d7d7d7; margin:0 0 2rem;
  text-shadow: 0 6px 24px rgba(0,0,0,.35);
}
.hero-buttons{ display:flex; gap:1rem; margin-top:2rem; }
.hero-buttons .button{
  font-size:.95rem; font-weight:600; padding:.9rem 1.8rem; border-radius:50px; transition: all .3s ease;
}
.hero-buttons .button--primary{ background:#0d1b22; color:#fff; border:none; }
.hero-buttons .button--primary:hover{ background:#152b34; }
.hero-buttons .button--secondary{
  background: rgba(255,255,255,.15); color:#fff;
  border:1.5px solid rgba(255,255,255,.6); backdrop-filter: blur(3px);
}
.hero-buttons .button--secondary:hover{ background: rgba(255,255,255,.25); border-color:#fff; }

@media (max-width: 768px){
  .hero__title{ font-size: 2.1rem; }
  .hero__inner{ padding-top: 22vh; text-align: center; }
  .hero-buttons{ justify-content:center; flex-wrap:wrap; }
}

/* =========================================================
   Sections & typography
   ========================================================= */
.section{ padding: clamp(2.5rem, 6vw, 4.5rem) 0; }
.section--alt{ background: color-mix(in oklab, var(--color-accent), white 96%); }
.section--split .split{ margin-top: var(--space-5); }

.section__title{
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin:0 0 .5rem;
}
.section__lead{ color: var(--color-muted); margin:0; }

.split{
  display:grid; grid-template-columns: 1fr 1fr; gap: var(--space-6);
}
@media (max-width: 900px){ .split{ grid-template-columns: 1fr; } }

.list-check{ padding-left: 1.25rem; }
.list-check li{ margin: .4rem 0; }

/* =========================================================
   Cards
   ========================================================= */
.cards{ display:grid; gap: var(--space-5); }
.cards--3{ grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1024px){ .cards--3{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px){ .cards--3{ grid-template-columns: 1fr; } }

.card{
  border: 1px solid color-mix(in oklab, var(--color-text), transparent 88%);
  border-radius: var(--radius);
  padding: var(--space-5);
  background: var(--color-bg);
  box-shadow: var(--shadow-1);
  transition: transform .3s ease, box-shadow .3s ease;
}
@media (prefers-reduced-motion: reduce){ .card{ transition:none; } }
.card:hover{ transform: translateY(-2px); box-shadow: var(--shadow-2); }

.card__media{ aspect-ratio: 4/3; overflow:hidden; border-radius: 10px; margin-bottom: .75rem; }
.card__media img{ width:100%; height:100%; object-fit: cover; object-position: center; }

/* =========================================================
   Buttons (generic)
   ========================================================= */
.button{
  --btn-bg: var(--color-accent);
  --btn-fg: #fff;
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  background: var(--btn-bg); color: var(--btn-fg);
  padding:.65rem 1rem; border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--color-accent), black 8%);
  font-weight:600; text-decoration:none;
  box-shadow: 0 1px 0 rgba(0,0,0,.04);
}
.button:hover{ text-decoration:none; filter: brightness(1.06); }
.button:focus-visible{ outline: 2px solid var(--color-accent-2); outline-offset: 2px; }
.button--ghost{
  --btn-bg: transparent; --btn-fg: var(--color-accent);
  border-color: color-mix(in oklab, var(--color-accent), white 60%);
}

/* =========================================================
   Services / Quotes
   ========================================================= */
.card--service{ padding: var(--space-5); text-align: justify }
.card--service p {
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
}

.quotes{ display:grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--space-5); }
.quote{ border-left: 3px solid var(--color-accent-2); padding-left: 1rem; }
@media (max-width: 980px){ .quotes{ grid-template-columns: 1fr; } }

/* =========================================================
   Forms
   ========================================================= */
.form{ display:grid; gap: var(--space-4); }
.form__row{ display:grid; gap:.35rem; }
.form__row--actions{ display:flex; align-items:center; gap:1rem; }
label{ font-weight:600; }
input, textarea, select{
  width:100%; padding:.65rem .8rem; border-radius:10px;
  border:1px solid color-mix(in oklab, var(--color-text), transparent 82%);
  background: var(--color-bg); color: var(--color-text);
  font: inherit;
}
input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 2px solid var(--color-accent);
  border-color: var(--color-accent);
}
.form__msg{ color: #c0392b; min-height: 1em; font-size: .9rem; }
.form__status{ margin-top:.5rem; }

/* =========================================================
   Filters
   ========================================================= */
.filters{
  display:grid; grid-template-columns: repeat(6, 1fr); gap: .85rem; align-items:end; margin-bottom: var(--space-5);
  background: color-mix(in oklab, var(--color-accent), white 96%);
  padding: .85rem; border-radius: 12px; border:1px solid color-mix(in oklab, var(--color-text), transparent 88%);
}
.filters__group{ display:grid; gap:.35rem; }
.filters__actions{ display:flex; gap:.5rem; }
.filters__meta{ color: var(--color-muted); font-size:.95rem; }
@media (max-width: 1024px){ .filters{ grid-template-columns: 1fr 1fr; } }

/* =========================================================
   Kontakt / Offices panel
   ========================================================= */
.section--contact{
  padding-top: clamp(3rem, 7vw, 5rem);
  padding-bottom: clamp(3rem, 7vw, 5rem);
  border-top: 1px solid rgba(0,0,0,0.08);
}

.split--contact{
  display:grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items:start;
}
@media (max-width: 980px){ .split--contact{ grid-template-columns: 1fr; } }

.offices-panel{
  background: #0c0f12; color:#fff;
  border-radius: 16px;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  box-shadow: 0 12px 30px rgba(0,0,0,.18);
  position: relative; overflow: hidden;
}
.offices-panel::before{
  content:""; position:absolute; left:0; top:0; bottom:0; width:2px;
  background: linear-gradient(180deg, rgba(255,255,255,.0) 0%, rgba(255,255,255,.18) 20%, rgba(255,255,255,.18) 80%, rgba(255,255,255,.0) 100%);
  opacity:.8;
}
.offices-panel__title{
  font-family: var(--font-serif); font-weight:600;
  font-size: clamp(1.3rem, 2.2vw, 1.6rem); margin:0 0 .75rem 0;
}
.offices-tabs{
  display:flex; gap:1.25rem; align-items:center;
  padding-bottom:.5rem; margin-bottom:1rem; position:relative;
}
.offices-tabs::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:1px;
  background: rgba(255,255,255,.14);
}
.offices-tab{
  background:none; border:0; color: rgba(255,255,255,.80);
  font: 500 .95rem/1 var(--font-sans);
  letter-spacing:.03em; padding:.3rem 0; cursor:pointer;
}
.offices-tab[disabled]{ opacity:.4; cursor:not-allowed; }
.offices-tab.is-active{ color:#fff; position:relative; }
.offices-tab.is-active::after{
  content:""; position:absolute; left:0; right:0; bottom:-9px; height:2px;
  background:#fff; border-radius:2px;
}
.offices-card{ margin-top:.5rem; font-size:1rem; line-height:1.8; }
.offices-name{ font-weight:600; letter-spacing:.02em; margin-bottom:.25rem; }
.offices-spacer{
  height:1.1rem; border-bottom:1px solid rgba(255,255,255,.12);
  margin:.35rem 0 1rem 0;
}
.offices-card a{
  color:#fff; text-decoration:none; border-bottom:1px solid rgba(255,255,255,.25);
  transition: border-color .25s ease, color .25s ease;
}
.offices-card a:hover{ color:#fff; border-bottom-color:#fff; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  border-top: 1px solid color-mix(in oklab, var(--color-text), transparent 90%);
  padding: 1.25rem 0; margin-top: 2rem;
}
.site-footer__inner{
  display:flex; align-items:center; justify-content:space-between; gap:1rem; flex-wrap:wrap;
}
.social{ display:flex; list-style:none; gap: .75rem; padding:0; margin:0; }

/* =========================================================
   Documents Page
   ========================================================= */
.section--documents{ background:#f9f9f9; padding: 6rem 0; }
.doc-list{
  display:grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap:2rem; margin-top:3rem;
}
.doc-item{
  background:#fff; padding:2rem; border-radius:12px; box-shadow: 0 4px 14px rgba(0,0,0,.05);
  transition: transform .2s ease;
}
.doc-item:hover{ transform: translateY(-4px); }
.doc-item h3{ font-family: var(--font-serif); font-size: 1.25rem; margin:0 0 .5rem; }
.doc-item p{ font-size:.95rem; color:#555; margin:0 0 1.5rem; }
.doc-item .button--primary{
  background:#0f172a; color:#fff; border-radius:6px; padding:.6rem 1rem; font-weight:500; text-decoration:none;
}
.doc-item .button--primary:hover{ background:#1e293b; }

/* =========================================================
   Utilities / Effects
   ========================================================= */
.reveal{
  opacity:0; transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease; will-change: opacity, transform;
}
.reveal.is-in{ opacity:1; transform:none; }

/* =========================================================
   Anchor offset – fixed header
   ========================================================= */
:where(section[id], main [id]){
  scroll-margin-top: calc(var(--header-h) + 12px);
}

/* Reduce motion fallbacks */
@media (prefers-reduced-motion: reduce){
  .card:hover{ transform:none; }
}

/* --- Sekce O nás (tmavý panel ve stylu kontaktní karty) --- */
.section--about {
  padding: 5rem 0;
  overflow: visible;
}

.about-panel {
  background-color: #0e0f10;
  color: #f5f5f5;
  border-radius: 1.5rem;
  padding: 3rem 4rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);

  /* NOVÉ – rozšíření panelu mimo container */
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% + 4cm);  /* přidá 2 cm na každou stranu */
  max-width: none;           /* zruší omezení kontejneru */
}

.about-panel__header {
  margin-bottom: 2.5rem;
  text-align: center;
}

.about-panel__body {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.5rem;
}

.about-panel__col p {
  color: #dcdcdc;
  line-height: 1.6;
  text-align: justify; /* zarovnání do bloku */
}

.about-panel__col li {
  color: #dcdcdc;
  line-height: 1.6;
}

.about-panel__col ul {
  list-style: none;
  padding: 0;
}

.about-panel__col li::before {
  content: "•";
  color: #00aaff;
  margin-right: .75rem;
}

.section--about .section__title {
  color: #fff;
}

.section--about .section__lead {
  color: #aaa;
}

@media (max-width: 768px) {
  .about-panel {
    width: 100%;
    border-radius: 1rem;
    padding: 2rem;
  }
}