/*
  Základné CSS pre šablónu Etnetra CA.
  Poznámka: Názvy premenných farieb slúžia ako háky na mapovanie k firemným farbám z Figma.
*/

:root {
  /* Etnetera Core – farby z palety */
  --bg: #030419;            /* Dark */
  --surface: #191A44;       /* Accent – tmavý povrch */
  --elevated: #242859;      /* odvodene svetlejší tmavý povrch */
  --text: #E7EEF8;          /* text primary */
  --muted: #B9C5D6;         /* text secondary */
  /* Oranžová – Secondary */
  --accent: #FF8E60;        /* Secondary */
  --accent-600: #E6774C;    /* hover */
  --accent-200: #FFCC6C;    /* Light tint */
  --border: #2A2E63;        /* strokes */

  --radius: 14px;
  --container: 1200px;
  --shadow: 0 10px 30px rgba(0,0,0,.25);
  --shadow-soft: 0 8px 24px rgba(19,34,58,.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  color: var(--text);
  background:
    radial-gradient(1400px 700px at 90% -10%, rgba(255,142,96,.15), transparent 70%),
    radial-gradient(1200px 600px at 10% -20%, rgba(255,142,96,.1), transparent 70%),
    radial-gradient(1000px 500px at 50% 50%, rgba(255,142,96,.08), transparent 80%),
    var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container { max-width: var(--container); margin: 0 auto; padding: 24px; }

.skip-link {
  position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus { left: 12px; top: 12px; width: auto; height: auto; background: var(--accent); color: #001622; padding: 8px 12px; border-radius: 6px; }

/* Header */
.site-header { 
  position: sticky; 
  top: 0; 
  z-index: 50; 
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(3,4,25,.7); 
  border-bottom: 1px solid rgba(255, 142, 96, 0.2); 
  box-shadow: 0 2px 16px rgba(0,0,0,.2);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 0; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: .2px; }
.brand a { display: inline-block; text-decoration: none; }
.brand .logo { height: 56px; width: auto; display: block; filter: brightness(1.15) contrast(1.1); opacity: 0.98; transition: opacity .2s ease; }
.brand a:hover .logo { opacity: 1; filter: brightness(1.25) contrast(1.15); }
.brand-mark { width: 28px; height: 28px; border-radius: 8px; background:
  conic-gradient(from 180deg, var(--accent) 0 25%, transparent 0 100%),
  linear-gradient(135deg, var(--accent-600), var(--accent));
  box-shadow: 0 4px 16px rgba(255,142,96,.45);
}
.brand-name { font-size: 16px; font-weight: 600; }

.nav-toggle { display: none; background: transparent; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle-bar { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 2px; }

.site-nav ul { display: flex; gap: 4px; list-style: none; padding: 0; margin: 0; }
.site-nav a { display: inline-block; padding: 10px 16px; border-radius: 8px; color: var(--text); text-decoration: none; border: 1px solid transparent; font-size: 15px; font-weight: 500; transition: all .2s ease; }
.site-nav a:hover { 
  border-color: rgba(255, 142, 96, 0.3); 
  background: rgba(255,142,96,.1); 
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Icon button (theme toggle) */
.btn-icon { 
  display: inline-flex; 
  align-items: center; 
  justify-content: center; 
  width: 36px; 
  height: 36px; 
  border-radius: 10px; 
  border: 1px solid rgba(255, 142, 96, 0.25); 
  background: rgba(255,255,255,.06); 
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text); 
  cursor: pointer; 
  box-shadow: 
    0 2px 8px rgba(0,0,0,.2),
    inset 0 1px 0 rgba(255,255,255,.1); 
}
.btn-icon:hover { 
  background: rgba(255,142,96,.12); 
  border-color: rgba(255, 142, 96, 0.4); 
  box-shadow: 
    0 4px 12px rgba(255,142,96,.2),
    0 0 0 1px rgba(255,142,96,.3),
    inset 0 1px 0 rgba(255,255,255,.15); 
}
.btn-icon svg { display: block; }

/* Sections */
.section { padding: 48px 0; }
.section-alt { 
  background: linear-gradient(180deg, rgba(255,142,96,.05), transparent); 
}
.section h2 { margin: 0 0 16px; font-size: clamp(24px, 3vw, 32px); font-weight: 700; letter-spacing: -0.02em; }
.section-note { margin: 6px 0 20px; color: var(--muted); font-size: 15px; }

/* Cards grid */
.grid { display: grid; gap: 20px; }
.ca-grid { grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }

/* Dark mode - Glassmorphism s jemnými akcentmi */
.card { 
  background: rgba(25, 26, 68, 0.6); 
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 142, 96, 0.2); 
  border-radius: var(--radius); 
  padding: 24px; 
  box-shadow: 
    0 8px 32px rgba(0,0,0,.3),
    0 4px 16px rgba(0,0,0,.2),
    inset 0 1px 0 rgba(255,255,255,.1); 
  transition: transform .25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow .25s cubic-bezier(0.4, 0, 0.2, 1), border-color .25s ease, background .25s ease; 
  min-height: 150px; 
  overflow-wrap: anywhere; 
  word-break: break-word; 
  display: flex; 
  flex-direction: column; 
}
.card:hover { 
  transform: translateY(-4px); 
  background: rgba(25, 26, 68, 0.75);
  box-shadow: 
    0 12px 40px rgba(0,0,0,.4),
    0 6px 20px rgba(255,142,96,.2),
    0 0 0 1px rgba(255,142,96,.3),
    inset 0 1px 0 rgba(255,255,255,.15); 
  border-color: rgba(255, 142, 96, 0.4); 
}
.card-title { margin: 0 0 12px; font-size: 18px; line-height: 1.35; overflow-wrap: anywhere; font-weight: 600; }
.card-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: auto; }

/* List rows */
.list { display: flex; flex-direction: column; gap: 20px; }
.row { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  gap: 20px; 
  background: rgba(25, 26, 68, 0.6); 
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 142, 96, 0.2); 
  border-radius: var(--radius); 
  padding: 20px; 
  box-shadow: 
    0 8px 32px rgba(0,0,0,.3),
    0 4px 16px rgba(0,0,0,.2),
    inset 0 1px 0 rgba(255,255,255,.1); 
  transition: transform .25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow .25s cubic-bezier(0.4, 0, 0.2, 1), border-color .25s ease, background .25s ease; 
}
.row:hover { 
  transform: translateY(-3px); 
  background: rgba(25, 26, 68, 0.75);
  box-shadow: 
    0 10px 36px rgba(0,0,0,.35),
    0 5px 18px rgba(255,142,96,.18),
    0 0 0 1px rgba(255,142,96,.3),
    inset 0 1px 0 rgba(255,255,255,.15); 
  border-color: rgba(255, 142, 96, 0.4); 
}
.row-main { flex: 1; min-width: 0; }
.row-title { margin: 0 0 2px; font-size: 18px; font-weight: 600; line-height: 1.3; }
.row-meta { margin: 0 0 3px; color: var(--muted); font-size: 14px; line-height: 1.4; }
.validity-label { color: var(--muted); font-size: 14px; }
.validity-date { color: var(--text); font-size: 14px; font-weight: 500; margin-left: 4px; }
.row-actions { display: flex; gap: 10px; flex-wrap: wrap; flex-shrink: 0; }

/* Buttons */
.btn { display: inline-block; padding: 12px 20px; border-radius: 12px; text-decoration: none; font-weight: 600; letter-spacing: 0; font-size: 15px; color: #220C03; background: linear-gradient(180deg, var(--accent), var(--accent-600)); border: 1px solid color-mix(in hsl, var(--accent-600), #000 18%); box-shadow: 0 6px 18px rgba(255,142,96,.38), inset 0 0 0 1px rgba(255,255,255,.08); transition: transform .2s cubic-bezier(0.4, 0, 0.2, 1), filter .2s ease, box-shadow .2s ease; }
.btn:hover { filter: brightness(1.05); box-shadow: 0 10px 24px rgba(255,142,96,.42), inset 0 0 0 1px rgba(255,255,255,.16); transform: translateY(-2px); }
.btn-secondary { 
  background: rgba(255,255,255,.06); 
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text); 
  border-color: rgba(255, 142, 96, 0.25); 
  box-shadow: 
    0 4px 12px rgba(0,0,0,.2),
    inset 0 1px 0 rgba(255,255,255,.1); 
  padding: 12px 20px; 
  font-size: 15px; 
  font-weight: 600; 
}
.btn-secondary:hover { 
  background: rgba(255,255,255,.1); 
  border-color: rgba(255, 142, 96, 0.45); 
  box-shadow: 
    0 6px 16px rgba(0,0,0,.25),
    0 0 0 1px rgba(255,142,96,.3),
    inset 0 1px 0 rgba(255,255,255,.15); 
}

/* Contact */
.contact { 
  font-style: normal; 
  background: rgba(25, 26, 68, 0.6); 
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 142, 96, 0.2); 
  border-radius: var(--radius); 
  padding: 24px; 
  box-shadow: 
    0 8px 32px rgba(0,0,0,.3),
    0 4px 16px rgba(0,0,0,.2),
    inset 0 1px 0 rgba(255,255,255,.1); 
}
.contact p { margin: 0 0 12px; font-size: 16px; }
.contact p:last-child { margin-bottom: 0; }
.contact a { color: var(--accent); text-decoration: none; font-weight: 500; }
.contact a:hover { text-decoration: underline; }

/* Footer */
.site-footer { 
  border-top: 1px solid rgba(255, 142, 96, 0.15); 
  background: rgba(10,18,32,.7); 
}
.footer-inner { display: flex; justify-content: center; padding: 24px 0; color: var(--muted); font-size: 14px; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 60px 0 40px; }
.hero .container { position: relative; }
.hero-title { margin: 0 0 12px; font-size: clamp(32px, 5vw, 52px); line-height: 1.1; font-weight: 700; letter-spacing: -0.03em; }
.hero-sub { margin: 0; color: var(--muted); max-width: 740px; font-size: 18px; line-height: 1.5; }
.hero-decor {
  position: absolute; 
  inset: -20% -10% auto auto; 
  width: 520px; 
  height: 520px; 
  pointer-events: none; 
  filter: blur(50px) saturate(120%);
  background:
    radial-gradient(220px 220px at 30% 30%, rgba(255,142,96,.3), transparent 60%),
    radial-gradient(260px 260px at 70% 60%, rgba(255,142,96,.2), transparent 60%);
  mask-image: radial-gradient(60% 60% at 50% 50%, #000 60%, transparent 100%);
}

/* Light theme overrides - Moderný s farebnými kartami */
[data-theme="light"] {
  --bg: #FFFFFF;            /* čistá biela */
  --surface: #FFFFFF;       /* biela pre základ */
  --elevated: #F8F9FA;      /* veľmi svetlý šedý pre zvýšené bloky */
  --text: #030419;          /* Dark - tmavý text pre kontrast */
  --muted: #5A6B7F;         /* sekundárny text */
  --accent: #FF8E60;        /* Secondary oranžová */
  --accent-600: #E6774C;    /* hover - tmavší */
  --accent-200: #FFD7C7;    /* jemný tint */
  --border: #E6D5C8;        /* jemný beige okraj */
}

[data-theme="light"] body {
  background:
    radial-gradient(1200px 600px at 90% -10%, rgba(255,142,96,.08), transparent 70%),
    radial-gradient(1000px 500px at 10% -20%, rgba(255,215,199,.12), transparent 70%),
    #FFFFFF;
}

[data-theme="light"] .brand .logo {
  filter: brightness(0.95) contrast(1.05);
  opacity: 1;
}

[data-theme="light"] .brand .logo:hover {
  filter: brightness(0.9) contrast(1.1);
}

/* Light theme - moderný s farebnými kartami */
[data-theme="light"] {
  --shadow: 0 4px 12px rgba(0,0,0,.08);
  --shadow-soft: 0 2px 8px rgba(0,0,0,.06);
}

/* Farebné karty - všetky majú rovnaký gradient ako prvá karta */
[data-theme="light"] .card {
  padding: 24px;
  border: none;
  box-shadow: 0 2px 8px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.04);
  transition: transform .25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow .25s cubic-bezier(0.4, 0, 0.2, 1);
  background: linear-gradient(135deg, #FFF5F0 0%, #FFE8DC 50%, #FFD7C7 100%);
}

[data-theme="light"] .card:hover {
  box-shadow: 0 8px 24px rgba(255,142,96,.2), 0 4px 8px rgba(0,0,0,.08);
  transform: translateY(-4px);
}

[data-theme="light"] .row {
  background: linear-gradient(135deg, #FFF5F0 0%, #FFE8DC 50%, #FFD7C7 100%);
  box-shadow: 0 2px 8px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.04);
  border: none;
  padding: 20px;
}

[data-theme="light"] .row:hover {
  box-shadow: 0 6px 20px rgba(255,142,96,.18), 0 3px 6px rgba(0,0,0,.06);
  transform: translateY(-3px);
}

[data-theme="light"] .btn {
  box-shadow: 0 2px 8px rgba(255,142,96,.2), inset 0 0 0 1px rgba(255,255,255,.2);
}

[data-theme="light"] .btn:hover {
  box-shadow: 0 4px 12px rgba(255,142,96,.3), inset 0 0 0 1px rgba(255,255,255,.3);
}

[data-theme="light"] .btn-secondary {
  border-color: rgba(255,142,96,.3);
  background: rgba(255,255,255,.7);
  color: var(--text);
}

[data-theme="light"] .btn-secondary:hover {
  background: rgba(255,142,96,.1);
  border-color: rgba(255,142,96,.5);
  color: var(--text);
}

[data-theme="light"] .site-header {
  background: rgba(255,255,255,.98);
  border-color: rgba(255,142,96,.15);
  backdrop-filter: blur(12px);
}

[data-theme="light"] .hero-decor {
  background:
    radial-gradient(220px 220px at 30% 30%, rgba(255,142,96,.12), transparent 60%),
    radial-gradient(260px 260px at 70% 60%, rgba(255,215,199,.15), transparent 60%);
}

[data-theme="light"] .contact {
  background: linear-gradient(135deg, #FFF5F0 0%, #FFE8DC 50%, #FFD7C7 100%);
  box-shadow: 0 2px 8px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.03);
  border: none;
  padding: 24px;
}

[data-theme="light"] .site-footer {
  background: rgba(255,255,255,.98);
  border-color: rgba(255,142,96,.15);
}

[data-theme="light"] .section-alt {
  background: linear-gradient(180deg, rgba(255,142,96,.04), transparent);
}

[data-theme="light"] .site-nav a:hover {
  border-color: rgba(255,142,96,.2);
  background: rgba(255,142,96,.08);
}

[data-theme="light"] .btn-icon {
  border-color: rgba(255,142,96,.2);
  background: rgba(255,255,255,.8);
}

[data-theme="light"] .btn-icon:hover {
  background: rgba(255,142,96,.12);
  border-color: rgba(255,142,96,.4);
}

/* Responsive */
@media (max-width: 960px) {
  .ca-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 720px) {
  .container { padding: 20px; }
  .section { padding: 40px 0; }
  .hero { padding: 48px 0 32px; }
  .site-nav { position: absolute; right: 20px; top: 72px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 12px; display: none; box-shadow: var(--shadow-soft); }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; gap: 4px; }
  .site-nav a { padding: 12px 16px; }
  .nav-toggle { display: inline-block; }
  .row { flex-direction: column; align-items: flex-start; gap: 16px; padding: 20px; }
  .row-actions { width: 100%; }
  .ca-grid { grid-template-columns: 1fr; gap: 16px; }
  .card { padding: 20px; }
}