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

:root {
  /* Colors */
  --color-bg: #ffffff;
  --color-bg-soft: #f5f7fb;
  --color-bg-elevated: #ffffff;

  --color-text: #151827;
  --color-text-soft: #5a6075;
  --color-text-muted: #8b90a5;

  --color-primary: #c9a34a; /* modern gold */
  --color-primary-soft: #f5e7c4;
  --color-primary-dark: #a68430;

  --color-accent-blue: #0f1f3d; /* deep elegant blue */
  --color-accent-silver: #d7dde7;

  --color-success: #1f9c6b;
  --color-warning: #f3a32a;
  --color-danger: #d64545;

  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5f5;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0b1120;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Poppins", "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-md: 1.0625rem; /* 17px */
  --font-size-lg: 1.25rem;   /* 20px */
  --font-size-xl: 1.5rem;    /* 24px */
  --font-size-2xl: 1.875rem; /* 30px */
  --font-size-3xl: 2.25rem;  /* 36px */
  --font-size-4xl: 3rem;     /* 48px */

  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (px) */
  --space-0: 0;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-28: 28px;
  --space-32: 32px;
  --space-40: 40px;
  --space-48: 48px;
  --space-56: 56px;
  --space-64: 64px;
  --space-80: 80px;
  --space-96: 96px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 4px 12px rgba(15, 31, 61, 0.06);
  --shadow-md: 0 12px 32px rgba(15, 31, 61, 0.12);
  --shadow-lg: 0 22px 60px rgba(15, 31, 61, 0.16);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 320ms ease;

  /* Layout */
  --container-max-width: 1200px;
  --container-padding-x: 20px;

  /* Z-index */
  --z-nav: 50;
  --z-overlay: 100;
  --z-modal: 200;
}

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

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

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

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd,
ul,
ol,
button,
input,
textarea {
  margin: 0;
}

ul,
ol {
  padding-left: 1.2rem;
}

body {
  min-height: 100vh;
}

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

picture {
  display: block;
}

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

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

textarea {
  resize: vertical;
}

a {
  color: inherit;
}

/* Remove default tap highlight on mobile */

*:focus {
  outline: none;
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background-color: var(--color-bg);
  color: var(--color-text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-accent-blue);
  line-height: var(--line-height-tight);
}

h1 {
  font-size: clamp(2.2rem, 4vw, 3rem);
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.25rem);
}

h3 {
  font-size: clamp(1.4rem, 2.5vw, 1.875rem);
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.1rem;
}

h6 {
  font-size: 0.95rem;
}

p {
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
  color: var(--color-text-soft);
}

strong,
b {
  font-weight: 600;
}

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

a {
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition-base), opacity var(--transition-fast);
}

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

hr {
  border: 0;
  border-top: 1px solid var(--gray-200);
  margin: var(--space-24) 0;
}

::selection {
  background: rgba(201, 163, 74, 0.18);
  color: var(--color-accent-blue);
}

/* ========================================
   Accessibility & Motion
   ======================================== */

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

.section {
  padding-top: clamp(var(--space-40), 6vw, var(--space-80));
  padding-bottom: clamp(var(--space-40), 6vw, var(--space-80));
}

.section--alt {
  background-color: var(--color-bg-soft);
}

.flex {
  display: flex;
}

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

.flex-row {
  display: flex;
  flex-direction: row;
}

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

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

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

.gap-16 {
  gap: var(--space-16);
}

.gap-24 {
  gap: var(--space-24);
}

.gap-32 {
  gap: var(--space-32);
}

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-32);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-32);
}

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

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

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

.mt-0 { margin-top: 0; }
.mt-16 { margin-top: var(--space-16); }
.mt-24 { margin-top: var(--space-24); }
.mt-32 { margin-top: var(--space-32); }
.mt-40 { margin-top: var(--space-40); }

.mb-0 { margin-bottom: 0; }
.mb-16 { margin-bottom: var(--space-16); }
.mb-24 { margin-bottom: var(--space-24); }
.mb-32 { margin-bottom: var(--space-32); }
.mb-40 { margin-bottom: var(--space-40); }

.py-24 {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

.py-40 {
  padding-top: var(--space-40);
  padding-bottom: var(--space-40);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(201, 163, 74, 0.08);
  color: var(--color-primary-dark);
}

.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;
}

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

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, #d6b254, #c09a3f);
  color: #0f172a;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #e1c367, #cda74a);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-outline {
  background-color: transparent;
  border-color: rgba(201, 163, 74, 0.4);

}

.btn-outline:hover {
  border-color: var(--color-primary);
  background-color: rgba(201, 163, 74, 0.06);
}

.btn-ghost {
  background-color: rgba(15, 31, 61, 0.04);
  color: var(--color-accent-blue);
}

.btn-ghost:hover {
  background-color: rgba(15, 31, 61, 0.08);
}

.btn[disabled],
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

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

/* Inputs & Forms */

.form-group {
  margin-bottom: var(--space-20);
}

.label {
  display: inline-block;
  margin-bottom: var(--space-6);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-accent-blue);
}

.input,
.textarea,
.select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-muted);
}

.input:focus-visible,
.textarea:focus-visible,
.select:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(201, 163, 74, 0.4);
}

.input[disabled],
.textarea[disabled],
.select[disabled] {
  background-color: var(--gray-100);
  color: var(--gray-500);
  cursor: not-allowed;
}

.input-error {
  border-color: var(--color-danger);
}

.form-help {
  margin-top: 4px;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-error {
  margin-top: 4px;
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Cards */

.card {
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(215, 221, 231, 0.6);
  padding: var(--space-24);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(201, 163, 74, 0.5);
}

.card--soft {
  background: radial-gradient(circle at top left, rgba(201, 163, 74, 0.08), transparent 55%),
              #ffffff;
}

.card-header {
  margin-bottom: var(--space-12);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-accent-blue);
}

.card-meta {
  margin-top: 4px;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Hero / Slider scaffold (generic) */

.hero {
  position: relative;
  color: #ffffff;
  background-color: #050816;
}

.hero-overlay {
  position: relative;
  isolation: isolate;
  padding-top: clamp(80px, 14vh, 140px);
  padding-bottom: clamp(56px, 12vh, 120px);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(201, 163, 74, 0.35), transparent 60%),
              radial-gradient(circle at bottom right, rgba(15, 31, 61, 0.85), #020617);
  opacity: 0.96;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background-color: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(248, 250, 252, 0.16);
  backdrop-filter: blur(12px);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #facc15, #ea580c);
  box-shadow: 0 0 0 4px rgba(234, 88, 12, 0.25);
}

.hero-title {
  font-size: clamp(2.4rem, 4.4vw, 3.4rem);
  line-height: var(--line-height-tight);
  letter-spacing: 0.03em;
  color: #fff;
}

.hero-subtitle {
  margin-top: var(--space-16);
  max-width: 32rem;
  font-size: var(--font-size-md);
  color: #e5e7eb;
}

.hero-actions {
  margin-top: var(--space-24);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-16);
}

/* Header & Navigation scaffold */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.75rem;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--color-accent-blue);
}

.navbar-brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 20%, #fff7cc, #facc15 40%, #d97706 70%),
    radial-gradient(circle at 70% 80%, rgba(15, 23, 42, 0.6), rgba(15, 23, 42, 0.95));
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.28);
  position: relative;
}

.navbar-brand-mark::after {
  content: "A";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: #020617;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.nav-link {
  position: relative;
  font-weight: 500;
  color: var(--color-accent-blue);
  padding-block: 0.35rem;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #d6b254, #c09a3f);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link--active::after {
  width: 100%;
}

.nav-link--muted {
  color: var(--color-text-soft);
}

.nav-toggle {
  display: none;
}

@media (max-width: 960px) {
  .navbar-nav {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid var(--gray-200);
    background-color: #ffffff;
  }
}

/* Footer scaffold */

.site-footer {
  margin-top: var(--space-64);
  border-top: 1px solid rgba(148, 163, 184, 0.4);
  background: radial-gradient(circle at top, rgba(201, 163, 74, 0.06), transparent 55%),
              #020617;
  color: #e5e7eb;
}

.footer-main {
  padding-top: var(--space-40);
  padding-bottom: var(--space-24);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) repeat(2, minmax(0, 1fr));
  gap: var(--space-32);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.9rem;
}

.footer-link {
  color: #cbd5f5;
}

.footer-link:hover {
  color: #facc15;
}

.footer-disclaimer {
  margin-top: var(--space-16);
  font-size: 0.75rem;
  line-height: 1.6;
  color: #9ca3af;
}

.footer-bottom {
  border-top: 1px solid rgba(55, 65, 81, 0.9);
  padding-block: var(--space-16);
  font-size: 0.8rem;
  color: #6b7280;
}

/* Highlight for mandatory responsible gaming info */

.responsible-highlight {
  margin-top: var(--space-16);
  padding: var(--space-16);
  border-radius: var(--radius-md);
  border: 1px solid rgba(201, 163, 74, 0.6);
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.88));
  color: #e5e7eb;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.7);
}

.responsible-highlight-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: var(--space-8);
  color: #facc15;
}

.responsible-highlight-link {
  color: #facc15;
  text-decoration: underline;
}

.responsible-highlight-link:hover {
  color: #fbbf24;
}

/* Tags / pill list (e.g., "rekreační poker", "bez finančních sázek") */

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.8rem;
  font-size: 0.8rem;
  background-color: rgba(15, 23, 42, 0.04);

  border: 1px solid rgba(148, 163, 184, 0.4);
}

.tag--safe {
  background-color: rgba(22, 163, 74, 0.08);
  border-color: rgba(22, 163, 74, 0.5);
  color: #15803d;
}

/* FAQ summary details scaffold */

.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  padding: var(--space-16) var(--space-20);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
}

.faq-question-title {
  font-weight: 500;
  color: var(--color-accent-blue);
}

.faq-icon {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  border: 1px solid var(--gray-300);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--color-text-soft);
}

.faq-answer {
  margin-top: var(--space-8);
  font-size: 0.9rem;
  color: var(--color-text-soft);
}

/* Chips / points visual hint */

.chip-stack {
  display: inline-flex;
  align-items: center;
}

.chip-stack-circle {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.7);
  background: radial-gradient(circle at 30% 20%, #ffffff, #e5e7eb 55%, #9ca3af 100%);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.45);
}

.chip-stack-circle + .chip-stack-circle {
  margin-left: -4px;
}