/* ==========================================================================
   Variables
   ========================================================================== */
:root {
  /* Color Palette - Klubovni Prubeh */
  --color-bg: #050a07;
  --color-bg-elevated: #0b1510;
  --color-surface: #111c16;
  --color-surface-soft: #16241c;

  --color-text: #f9fafb;
  --color-text-muted: #cbd5f5;
  --color-text-soft: #94a3b8;

  --color-primary: #16a34a; /* emerald accent */
  --color-primary-soft: rgba(22, 163, 74, 0.16);
  --color-primary-strong: #22c55e;

  --color-accent-gold: #f5c76d;
  --color-accent-gold-soft: rgba(245, 199, 109, 0.16);

  --color-success: #22c55e;
  --color-warning: #fbbf24;
  --color-danger: #ef4444;

  --color-border-subtle: rgba(148, 163, 184, 0.18);
  --color-border-strong: rgba(148, 163, 184, 0.35);

  /* Neutral grays (for subtle separators / text) */
  --gray-50: #f9fafb;
  --gray-100: #e5e7eb;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2933;
  --gray-900: #111827;

  /* Cinematic overlay for hero backgrounds */
  --overlay-hero: rgba(0, 24, 12, 0.68);
  --overlay-hero-strong: rgba(0, 18, 9, 0.78);

  /* Typography */
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Playfair Display", "Times New Roman", serif;

  --font-size-xs: 0.75rem;  /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem;   /* 16px */
  --font-size-lg: 1.125rem; /* 18px */
  --font-size-xl: 1.25rem;  /* 20px */
  --font-size-2xl: 1.5rem;  /* 24px */
  --font-size-3xl: 1.875rem;/* 30px */
  --font-size-4xl: 2.25rem; /* 36px */
  --font-size-5xl: 3rem;    /* 48px */

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-pill: 9999px;

  /* Shadows (soft, cinematic) */
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-elevated: 0 24px 80px rgba(0, 0, 0, 0.75);
  --shadow-subtle: 0 0 0 1px rgba(15, 23, 42, 0.4);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 220ms ease-out;
  --transition-slow: 360ms ease-out;

  /* Layout */
  --container-max-width: 1120px;
  --container-gutter: var(--space-4);

  /* Focus outline */
  --focus-ring-color: rgba(245, 199, 109, 0.85);
  --focus-ring-width: 2px;
  --focus-ring-offset: 2px;
}

/* ==========================================================================
   Reset & Normalize
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
}

h1, h2, h3, h4, h5, h6,
p, figure,
blockquote,
dl, dd {
  margin: 0;
}

ul[role="list"],
ol[role="list"] {
  list-style: none;
  padding: 0;
  margin: 0;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  border: none;
  background: none;
  padding: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* Remove default focus outline so we can style focus-visible */
:focus {
  outline: none;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */
body {
  min-height: 100vh;
  background: radial-gradient(circle at top, #12261c 0, #050a07 54%, #020308 100%);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
}

main {
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--line-height-tight);
  letter-spacing: 0.02em;
  color: var(--gray-50);
}

h1 {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(var(--font-size-xl), 2.4vw, var(--font-size-3xl));
  margin-bottom: var(--space-2);
}

h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-soft);
}

strong {
  font-weight: 600;
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* Links - subtle underlines only on hover */
a {
  position: relative;
  transition: color var(--transition-normal);
}

a:hover {
  color: var(--color-accent-gold);
}

a:hover::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.1em;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent-gold), var(--color-primary-strong));
}

/* Lists */
ul,
ol {
  padding-left: 1.2rem;
  margin-bottom: var(--space-4);
}

/* ==========================================================================
   Utilities
   ========================================================================== */

/* Container */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  max-width: var(--container-max-width);
  padding-left: var(--container-gutter);
  padding-right: var(--container-gutter);
}

.section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.section--tight {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

.section__heading {
  margin-bottom: var(--space-6);
}

/* Flex helpers */
.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.justify-center {
  justify-content: center;
}

.items-center {
  align-items: center;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

/* Grid helpers */
.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

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

/* Hero layout helpers (for cinematic full-width hero) */
.hero {
  position: relative;
  min-height: min(90vh, 960px);
  color: var(--color-text);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__background {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.15) contrast(1.2) brightness(0.85);
  transform: scale(1.03);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top, rgba(19, 46, 32, 0.75), transparent 55%),
              linear-gradient(to bottom right, var(--overlay-hero-strong), rgba(1, 10, 5, 0.95));
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 720px;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.hero__eyebrow {
  font-size: var(--font-size-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  margin-bottom: var(--space-3);
}

.hero__lead {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 42rem;
  margin-bottom: var(--space-6);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Simple layout spacing utilities */
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.text-center { text-align: center; }
.text-right { text-align: right; }

/* ==========================================================================
   Components
   ========================================================================== */

/* Buttons - primary & secondary for CTAs (e.g., Rezervovat stul) */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.9rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, #15803d, #22c55e);
  color: #020617;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.65);
}

.btn--primary:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, #16a34a, #4ade80);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.85);
}

.btn--secondary {
  background: rgba(15, 23, 42, 0.45);
  border-color: rgba(148, 163, 184, 0.45);
  color: var(--color-text-muted);
  backdrop-filter: blur(12px);
}

.btn--secondary:hover {
  background: rgba(15, 23, 42, 0.7);
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(148, 163, 184, 0.35);
  color: var(--color-text-soft);
}

.btn--ghost:hover {
  border-color: var(--color-primary-strong);
  color: var(--color-primary-strong);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* Inputs, textareas, selects - for Rezervace & Kontakt */
.input,
.textarea,
.select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: rgba(15, 23, 42, 0.75);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-snug);
  transition:
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    background-color var(--transition-normal),
    transform var(--transition-fast);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-soft);
  opacity: 0.65;
}

.input:focus-visible,
.textarea:focus-visible,
.select:focus-visible {
  border-color: var(--color-accent-gold);
  box-shadow: 0 0 0 1px rgba(245, 199, 109, 0.5), 0 18px 45px rgba(0, 0, 0, 0.7);
  background: rgba(15, 23, 42, 0.95);
}

.textarea {
  min-height: 7rem;
  resize: vertical;
}

.label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-1);
  color: var(--gray-100);
}

.field-group {
  margin-bottom: var(--space-4);
}

.field-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
  margin-top: 0.2rem;
}

.field-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: 0.2rem;
}

/* Card - for highlights, events & experiences */
.card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  background: radial-gradient(circle at top left, rgba(22, 163, 74, 0.12), transparent 50%),
              linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.88));
  border: 1px solid rgba(148, 163, 184, 0.28);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(245, 199, 109, 0.12), transparent 55%);
  opacity: 0.8;
  pointer-events: none;
}

.card__inner {
  position: relative;
  z-index: 1;
}

.card--soft {
  padding: var(--space-4);
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--radius-md);
}

.card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

.card__meta {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-soft);
  margin-bottom: var(--space-2);
}

/* Tag / badge - for typ vecera, "Poker vecer", "Degustacni menu" */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  border: 1px solid rgba(148, 163, 184, 0.45);
  color: var(--color-text-soft);
}

.badge--gold {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
  background: rgba(245, 199, 109, 0.12);
}

.badge--green {
  border-color: var(--color-primary-strong);
  color: var(--color-primary-strong);
  background: rgba(22, 163, 74, 0.16);
}

/* Simple chip for filters (e.g., in Galerie) */
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.35);
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
  background: rgba(15, 23, 42, 0.7);
  cursor: pointer;
  transition: border-color var(--transition-normal), background-color var(--transition-normal), color var(--transition-normal);
}

.chip--active {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
  background: rgba(245, 199, 109, 0.12);
}

/* Map wrapper (Kontakt) */
.map-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-soft);
}

/* ==========================================================================
   Accessibility & Focus Styles
   ========================================================================== */

:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

.btn:focus-visible,
.input:focus-visible,
.textarea:focus-visible,
.select:focus-visible {
  outline: none;
}

[role="button"],
button,
input,
textarea,
select,
a {
  -webkit-tap-highlight-color: transparent;
}

/* Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */

@media (max-width: 768px) {
  .section {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
  }

  .hero {
    align-items: flex-end;
  }

  .hero__content {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 1024px) {
  .section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }
}