/* ========================================================================
   Variables
   ======================================================================== */

:root {
  /* Color palette – světle luxusní kasino atmosféra */
  --color-bg: #faf7f2; /* ivory / světle krémové pozadí */
  --color-bg-elevated: #ffffff;
  --color-surface-glass: rgba(255, 255, 255, 0.85);
  --color-text: #18141f; /* hluboká, ale ne úplně černá */
  --color-text-muted: #6f6776;

  --color-primary: #b9945f; /* champagne gold */
  --color-primary-soft: rgba(185, 148, 95, 0.12);
  --color-primary-dark: #947443;

  --color-accent-sapphire: #345d92; /* soft sapphire blue */
  --color-accent-sapphire-soft: rgba(52, 93, 146, 0.12);

  --color-success: #2f8f5b;
  --color-warning: #e3a436;
  --color-danger: #d04646;

  --gray-50: #f7f4f0;
  --gray-100: #ebe5dd;
  --gray-200: #ddd4c8;
  --gray-300: #c8bbaa;
  --gray-400: #b0a08d;
  --gray-500: #8f7d66;
  --gray-600: #6f5f4d;
  --gray-700: #514438;
  --gray-800: #352c24;
  --gray-900: #201a16;

  --border-color-subtle: rgba(24, 20, 31, 0.06);
  --border-color-soft: rgba(24, 20, 31, 0.12);

  /* Typography – elegantní kombinace serif + sans */
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Playfair Display", "Cormorant Garamond", "Times New Roman", serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-md: 1.0625rem; /* 17px pro čitelný text */
  --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 – pro hero nadpisy */

  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --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 – jemně zaoblené hrany pro luxusní dojem */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  /* Shadows – měkké, filmové stíny */
  --shadow-soft: 0 12px 30px rgba(10, 6, 20, 0.08);
  --shadow-medium: 0 18px 45px rgba(10, 6, 20, 0.12);
  --shadow-strong: 0 28px 80px rgba(10, 6, 20, 0.18);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 220ms ease-out;
  --transition-slow: 380ms ease-out;

  /* Layout */
  --container-max-width: 1200px;
  --container-wide-width: 1440px;
}

/* Reduced motion – globalní omezení animací, pokud si uživatel přeje klidnější zážitek */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0.001ms;
    --transition-normal: 0.001ms;
    --transition-slow: 0.001ms;
  }

  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ========================================================================
   Reset / Normalize
   ======================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html, body {
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  min-height: 100vh;
}

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

img {
  height: auto;
}

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

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

ul, ol {
  padding: 0;
  list-style: none;
}

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

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

textarea {
  resize: vertical;
}

/* ========================================================================
   Base
   ======================================================================== */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  background: radial-gradient(circle at top left, rgba(185, 148, 95, 0.13), transparent 55%),
              radial-gradient(circle at bottom right, rgba(52, 93, 146, 0.14), transparent 55%),
              var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-text);
  line-height: var(--line-height-tight);
}

h1 {
  font-size: clamp(var(--font-size-4xl), 3vw + 1.5rem, var(--font-size-5xl));
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(var(--font-size-3xl), 2vw + 1.1rem, var(--font-size-4xl));
  margin-bottom: var(--space-3);
}

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

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

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

h6 {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-1);
}

p {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}

p:last-child {
  margin-bottom: 0;
}

strong {
  font-weight: 600;
}

small {
  font-size: var(--font-size-xs);
}

a {
  color: var(--color-accent-sapphire);
  text-decoration: none;
  transition: color var(--transition-normal),
              text-shadow var(--transition-normal);
}

a:hover {
  color: var(--color-primary-dark);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

/* ========================================================================
   Accessibility – Focus states & SR only
   ======================================================================== */

:focus-visible {
  outline: 2px solid var(--color-accent-sapphire);
  outline-offset: 3px;
}

.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;
}

.sr-only-focusable:focus,
.sr-only-focusable:active {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

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

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container--wide {
  max-width: var(--container-wide-width);
}

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

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

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

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-16);
  }

  .section--tight {
    padding-block: var(--space-10);
  }
}

/* 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-3 {
  gap: var(--space-3);
}

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

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

/* Grid helpers */

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

.grid-2 {
  display: grid;
  gap: var(--space-4);
}

.grid-3 {
  display: grid;
  gap: var(--space-4);
}

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

  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Width helpers */

.w-full {
  width: 100%;
}

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

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

/* Spacing utilities (margin / padding) */

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.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-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.pt-4 { padding-top: var(--space-4); }
.pt-6 { padding-top: var(--space-6); }
.pt-8 { padding-top: var(--space-8); }

.pb-4 { padding-bottom: var(--space-4); }
.pb-6 { padding-bottom: var(--space-6); }
.pb-8 { padding-bottom: var(--space-8); }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }

/* ========================================================================
   Components – Buttons
   ======================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  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),
              box-shadow var(--transition-normal),
              transform var(--transition-fast),
              border-color var(--transition-normal),
              backdrop-filter var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: linear-gradient(135deg, #caa368, #b9945f);
  color: #fff!important;
  box-shadow: 0 10px 30px rgba(185, 148, 95, 0.45);
}

.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.45), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 40px rgba(185, 148, 95, 0.55);
}

.btn--primary:hover::after {
  opacity: 1;
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.78);
  color: var(--color-text);
  border-color: rgba(24, 20, 31, 0.08);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(24, 20, 31, 0.16);
  transform: translateY(-1px);
  box-shadow: var(--shadow-medium);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: rgba(24, 20, 31, 0.16);
}

.btn--ghost:hover {
  background: rgba(24, 20, 31, 0.04);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-xs);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--font-size-base);
}

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

.btn:focus-visible {
  outline: 2px solid var(--color-accent-sapphire);
  outline-offset: 3px;
}

/* ========================================================================
   Components – Form Elements
   ======================================================================== */

.input,
textarea,
select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color-soft);
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition: border-color var(--transition-normal),
              box-shadow var(--transition-normal),
              background-color var(--transition-normal),
              transform var(--transition-fast);
  box-shadow: 0 10px 30px rgba(10, 6, 20, 0.03);
}

.input::placeholder,
textarea::placeholder {
  color: rgba(111, 103, 118, 0.7);
}

.input:focus,
textarea:focus,
select:focus {
  border-color: rgba(185, 148, 95, 0.8);
  box-shadow: 0 0 0 1px rgba(185, 148, 95, 0.3), 0 18px 45px rgba(10, 6, 20, 0.16);
  background-color: #fff;
  outline: none;
  transform: translateY(-1px);
}

.input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: rgba(208, 70, 70, 0.7);
}

.label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.form-helper {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-error {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* ========================================================================
   Components – Card
   ======================================================================== */

.card {
  position: relative;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(250, 247, 242, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-soft);
  padding: var(--space-5);
  overflow: hidden;
  transition: transform var(--transition-normal),
              box-shadow var(--transition-normal),
              border-color var(--transition-normal),
              background var(--transition-normal);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(185, 148, 95, 0.16), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-color: rgba(185, 148, 95, 0.25);
}

.card:hover::before {
  opacity: 1;
}

.card--subtle {
  background: rgba(255, 255, 255, 0.92);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  box-shadow: 0 8px 24px rgba(10, 6, 20, 0.06);
}

.card__header {
  margin-bottom: var(--space-3);
}

.card__title {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-1);
}

.card__eyebrow {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.card__body {
  color: var(--color-text-muted);
}

/* ========================================================================
   Components – Glass Header / Floating Surfaces
   ======================================================================== */

.glass-surface {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.78));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 18px 45px rgba(10, 6, 20, 0.18);
  backdrop-filter: blur(20px);
}

.header-glass {
  position: sticky;
  top: 0;
  z-index: 40;
  background: radial-gradient(circle at top left, rgba(185, 148, 95, 0.18), transparent 55%);
}

.header-glass__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: 0.65rem;
  padding-inline: var(--space-4);
  max-width: var(--container-wide-width);
  margin-inline: auto;
}

.header-glass__bar {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.72));
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 18px 40px rgba(10, 6, 20, 0.18);
  backdrop-filter: blur(22px);
  padding: 0.35rem 0.6rem;
      display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

/* Announcement bar – lehký pruh nad navigací */

.announcement-bar {
  width: 100%;
  background: linear-gradient(90deg, rgba(185, 148, 95, 0.18), rgba(52, 93, 146, 0.18));
  color: var(--color-text);
  font-size: var(--font-size-xs);
  padding-block: 0.4rem;
}

.announcement-bar__inner {
  max-width: var(--container-wide-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

/* ========================================================================
   Components – Hero helpers
   ======================================================================== */

.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding-block: var(--space-12);
}

.hero__content {
  max-width: 640px;
}

.hero__eyebrow {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 3.6vw + 1rem, 3.75rem);
  line-height: 1.05;
  margin-bottom: var(--space-3);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 520px;
  margin-bottom: var(--space-5);
}

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

.hero__decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__decor-glow {
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(185, 148, 95, 0.32), transparent 65%);
  filter: blur(8px);
}

.hero__decor-glow--left {
  left: -120px;
  top: 10%;
}

.hero__decor-glow--right {
  right: -120px;
  bottom: -40px;
  background: radial-gradient(circle, rgba(52, 93, 146, 0.32), transparent 65%);
}

/* ========================================================================
   Components – Footer base
   ======================================================================== */

.site-footer {
  margin-top: var(--space-12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), #f4eee6);
  border-top: 1px solid rgba(185, 148, 95, 0.2);
}

.site-footer__inner {
  max-width: var(--container-wide-width);
  margin-inline: auto;
  padding: var(--space-8) var(--space-4) var(--space-6);
}

.site-footer__bottom {
  border-top: 1px solid rgba(24, 20, 31, 0.06);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ========================================================================
   Misc utilities for luxury / editorial feeling
   ======================================================================== */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.9rem;
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid rgba(185, 148, 95, 0.45);
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-text);
}

.badge-soft {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-pill);
  padding: 0.2rem 0.7rem;
  font-size: var(--font-size-xs);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.separator-label {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-serif);
  font-size: var(--font-size-sm);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.separator-label::before,
.separator-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(185, 148, 95, 0.6));
}

.separator-label::after {
  background: linear-gradient(90deg, rgba(185, 148, 95, 0.6), transparent);
}

/* Subtle parallax container helper – skutečný efekt se řeší v JS, zde jen overflow/position */

.parallax-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Utility for subtle fade-up animations – respektuje prefers-reduced-motion */

.reveal-up {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 480ms ease-out, transform 480ms ease-out;
}

.reveal-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal-up {
    opacity: 1 !important;
    transform: none !important;
  }
}