/* ============================================================
   Diplomová práce – Ondřej Stehlík 2026
   Katedra geoinformatiky, UP Olomouc
   Kódování: UTF-8
   ============================================================ */

/* ---------- Vlastní proměnné ---------- */
:root {
  --barva-pozadi:       #FBF7EF;
  --barva-povrch:       #FFFFFF;
  --barva-text:         #1C1007;
  --barva-text-jemny:   #5C4A2A;
  --barva-jantarova:    #B45309;
  --barva-med:          #F59E0B;
  --barva-les:          #2D6A4F;
  --barva-svetla:       #FEF3C7;
  --barva-okraj:        #E5D5B0;
  --font-nadpis:        'Playfair Display', Georgia, serif;
  --font-text:          'Lora', 'Georgia', serif;
  --font-mono:          'IBM Plex Mono', monospace;
  --sirka-max:          1080px;
  --rounding:           6px;
  --shadow:             0 4px 24px rgba(28, 16, 7, 0.10);
}

/* ---------- Reset & základ ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 17px;
}

body {
  background-color: var(--barva-pozadi);
  color: var(--barva-text);
  font-family: var(--font-text);
  line-height: 1.75;
  min-height: 100vh;
}

/* ---------- Typografie ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-nadpis);
  line-height: 1.25;
  color: var(--barva-text);
}

h1 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.3rem, 2.5vw, 1.9rem); font-weight: 700; margin-bottom: 1rem; }
h3 { font-size: 1.15rem; font-weight: 600; color: var(--barva-jantarova); margin-bottom: 0.5rem; }

p { margin-bottom: 1rem; }
a { color: var(--barva-jantarova); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--barva-les); }

strong { color: var(--barva-jantarova); font-weight: 700; }

ul, ol { padding-left: 1.4rem; margin-bottom: 1rem; }
li { margin-bottom: 0.35rem; }

abbr { cursor: help; text-decoration: underline dotted; }

/* ---------- Navigace ---------- */
.nav-hlavni {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--barva-text);
  border-bottom: 3px solid var(--barva-jantarova);
}

.nav-obal {
  max-width: var(--sirka-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
}

.nav-logo {
  font-family: var(--font-nadpis);
  font-size: 1rem;
  color: var(--barva-med);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.nav-logo:hover { color: #fff; text-decoration: none; }

.nav-logo svg { width: 22px; height: 22px; }

.nav-seznam {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 0.15rem;
  flex-wrap: wrap;
}

.nav-seznam a {
  display: block;
  padding: 0.4rem 0.7rem;
  color: #D6C5A0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-radius: var(--rounding);
  transition: background 0.18s, color 0.18s;
}

.nav-seznam a:hover {
  background: var(--barva-jantarova);
  color: #fff;
  text-decoration: none;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--barva-med);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-hamburger.otevreno span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.otevreno span:nth-child(2) { opacity: 0; }
.nav-hamburger.otevreno span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Záhlaví (hero) ---------- */
.hero {
  background: var(--barva-text);
  color: #fff;
  padding: 5rem 1.5rem 4rem;
  position: relative;
  overflow: hidden;
}

/* Plást v pozadí */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 80% 20%, rgba(245,158,11,0.15) 0%, transparent 60%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='52'%3E%3Cpolygon points='30,2 58,17 58,47 30,62 2,47 2,17' fill='none' stroke='rgba(245,158,11,0.08)' stroke-width='1.5'/%3E%3C/svg%3E");
  background-size: auto, 60px 52px;
  opacity: 1;
  pointer-events: none;
}

.hero-obal {
  max-width: var(--sirka-max);
  margin: 0 auto;
  position: relative;
}

.hero-stitek {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245,158,11,0.15);
  border: 1px solid rgba(245,158,11,0.35);
  border-radius: 999px;
  padding: 0.25rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--barva-med);
  margin-bottom: 1.5rem;
}

.hero h1 {
  color: #fff;
  max-width: 820px;
  margin-bottom: 0.5rem;
}

.hero-en {
  font-family: var(--font-text);
  font-style: italic;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: #B0977A;
  max-width: 780px;
  margin-bottom: 2.5rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 1.5rem;
}

.hero-meta-skupina { display: flex; flex-direction: column; gap: 0.15rem; }

.hero-meta-nazev {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7A634A;
}

.hero-meta-hodnota {
  font-size: 0.95rem;
  color: #E8D5B7;
  font-weight: 500;
}

/* ---------- Hlavní obsah ---------- */
.obal {
  max-width: var(--sirka-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Sekce ---------- */
.sekce {
  padding: 4rem 0;
  border-bottom: 1px solid var(--barva-okraj);
}

.sekce:last-of-type { border-bottom: none; }

.sekce-hlavicka {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.sekce-cislo {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--barva-jantarova);
  letter-spacing: 0.1em;
  background: var(--barva-svetla);
  border: 1px solid var(--barva-okraj);
  border-radius: 4px;
  padding: 0.1rem 0.5rem;
  flex-shrink: 0;
}

/* ---------- Kontaktní blok ---------- */
.kontakt-karta {
  background: var(--barva-povrch);
  border: 1px solid var(--barva-okraj);
  border-radius: var(--rounding);
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 3rem;
  max-width: 640px;
}

.kontakt-radek { display: flex; flex-direction: column; gap: 0.1rem; }

.kontakt-stitek {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--barva-text-jemny);
}

.kontakt-hodnota { font-size: 0.95rem; color: var(--barva-text); }

.kontakt-hodnota a { color: var(--barva-les); font-weight: 600; }

/* ---------- Karty výsledků ---------- */
.karty {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.karta {
  background: var(--barva-povrch);
  border: 1px solid var(--barva-okraj);
  border-radius: var(--rounding);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.karta:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(28, 16, 7, 0.14);
}

.karta-ikona {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
  display: block;
}

.karta-cislo {
  font-family: var(--font-nadpis);
  font-size: 2rem;
  color: var(--barva-jantarova);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.karta-popis {
  font-size: 0.9rem;
  color: var(--barva-text-jemny);
  margin: 0;
}

/* ---------- Výsledky lokalit ---------- */
.lokality {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.lokalita-karta {
  background: var(--barva-povrch);
  border: 1px solid var(--barva-okraj);
  border-radius: var(--rounding);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.lokalita-hlavicka {
  padding: 0.85rem 1.25rem;
  font-family: var(--font-nadpis);
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
}

.lokalita-hlavicka h3 {
  margin: 0;
  font-size: inherit;
  font-family: inherit;
  font-weight: inherit;
  color: inherit;
}

.lokalita-cernotin .lokalita-hlavicka { background: var(--barva-jantarova); }
.lokalita-hradky  .lokalita-hlavicka { background: var(--barva-les); }

.lokalita-telo { padding: 1.25rem; }

.lokalita-telo p { font-size: 0.92rem; margin-bottom: 0.5rem; }

/* ---------- Metody – dvousloupcový seznam ---------- */
.metody-mrize {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 3rem;
  margin-top: 0.5rem;
}

.metody-skupina h3 { margin-bottom: 0.5rem; }

.metody-skupina ul { font-size: 0.93rem; }

/* ---------- Anotace (EN) ---------- */
.anotace-blok {
  background: var(--barva-svetla);
  border-left: 4px solid var(--barva-jantarova);
  border-radius: 0 var(--rounding) var(--rounding) 0;
  padding: 1.75rem 2rem;
  font-size: 0.96rem;
  line-height: 1.8;
}

.anotace-kw {
  margin-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--barva-text-jemny);
}

.anotace-kw span {
  display: inline-block;
  background: #fff;
  border: 1px solid var(--barva-okraj);
  border-radius: 999px;
  padding: 0.15rem 0.65rem;
  margin: 0.2rem 0.15rem;
  color: var(--barva-jantarova);
  font-weight: 600;
}

/* ---------- Tlačítka / odkazy na soubory ---------- */
.soubory {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--rounding);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}

.btn:hover { transform: translateY(-2px); text-decoration: none; }

.btn-primarni {
  background: var(--barva-jantarova);
  color: #fff;
}

.btn-primarni:hover { background: #92400e; color: #fff; }

.btn-sekundarni {
  background: var(--barva-les);
  color: #fff;
}

.btn-sekundarni:hover { background: #1a4035; color: #fff; }

.btn-obrys {
  background: transparent;
  color: var(--barva-jantarova);
  border: 2px solid var(--barva-jantarova);
}

.btn-obrys:hover { background: var(--barva-jantarova); color: #fff; }

/* ---------- Zápatí ---------- */
.zapati {
  background: var(--barva-text);
  color: #7A634A;
  text-align: center;
  padding: 2rem 1.5rem;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  line-height: 1.9;
}

.zapati a { color: var(--barva-med); }
.zapati a:hover { color: #fff; text-decoration: none; }

/* ---------- Oddělovací linka ---------- */
hr.oddelovac {
  border: none;
  border-top: 1px solid var(--barva-okraj);
  margin: 2rem 0;
}

/* ============================================================
   Responsivní design
   ============================================================ */

/* Tablety */
@media (max-width: 768px) {
  .nav-hamburger { display: flex; }

  .nav-seznam {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--barva-text);
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 0.75rem 1rem 1rem;
    z-index: 99;
  }

  .nav-seznam.otevreno { display: flex; }

  .nav-seznam a {
    padding: 0.65rem 0.75rem;
    font-size: 0.8rem;
  }

  .metody-mrize { grid-template-columns: 1fr; gap: 1rem; }

  .lokality { grid-template-columns: 1fr; }

  .hero { padding: 3rem 1.25rem 2.5rem; }

  .sekce { padding: 2.5rem 0; }
}

/* Mobily */
@media (max-width: 480px) {
  html { font-size: 15px; }

  .hero-meta { gap: 1rem 1.5rem; }

  .karty { grid-template-columns: 1fr; }

  .kontakt-karta { padding: 1.25rem; }

  .soubory { flex-direction: column; }

  .btn { justify-content: center; }
}