/* ==================================================================
   Variables
   ================================================================== */
:root {
  /* Color Palette --------------------------------------------------- */
  --color-bg: #ffffff;
  --color-surface: #f5f6f8; /* light grey panels */
  --color-surface-elevated: #ffffff;

  --color-text: #1a1e26; /* deep neutral for good contrast */
  --color-text-muted: #6b7280;
  --color-text-soft: #9ca3af;

  --color-primary: #102a43; /* navy, refined */
  --color-primary-soft: #e3e8f0;
  --color-primary-strong: #0b1d30;

  --color-accent-gold: #c9a24f; /* subtle gold accent */
  --color-accent-gold-soft: #f7efe0;

  --color-success: #15803d;
  --color-warning: #b45309;
  --color-danger: #b91c1c;

  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2933;
  --color-gray-900: #111827;

  /* Typography ------------------------------------------------------ */
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --font-serif: "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-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-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* 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: 999px;

  /* Shadows -------------------------------------------------------- */
  --shadow-soft: 0 8px 20px rgba(15, 23, 42, 0.06);
  --shadow-medium: 0 18px 45px rgba(15, 23, 42, 0.12);
  --shadow-subtle-border: 0 0 0 1px rgba(148, 163, 184, 0.15);

  /* Transitions ---------------------------------------------------- */
  --transition-fast: 120ms ease-out;
  --transition-normal: 180ms ease-out;
  --transition-slow: 250ms ease-out;

  /* Layout --------------------------------------------------------- */
  --container-max-width: 1120px;
  --page-gutter: 1.25rem; /* mobile-first padding */
  --header-height: 4.25rem;
  --notification-bar-height: 2.75rem;
}

@media (min-width: 768px) {
  :root {
    --page-gutter: 1.75rem;
    --header-height: 4.5rem;
    --notification-bar-height: 2.5rem;
  }
}

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

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

body {
  margin: 0;
}

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

ul, ol {
  padding-left: 1.25rem;
}

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

button, input, textarea, select {
  margin: 0;
  font: inherit;
  color: inherit;
}

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

textarea {
  resize: vertical;
}

/* Remove default link underlines; controlled in base styles */
a {
  text-decoration: none;
  color: inherit;
}

/* ==================================================================
   Base Styles
   ================================================================== */
body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

main {
  min-height: calc(100vh - var(--header-height) - var(--notification-bar-height));
}

/* Headings: light, spacious, slightly serif for luxury accent */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-primary-strong);
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  line-height: var(--line-height-tight);
  margin: var(--space-8) 0 var(--space-4);
}

h3 {
  font-size: 1.5rem;
  line-height: var(--line-height-tight);
  margin: var(--space-6) 0 var(--space-3);
}

h4 {
  font-size: 1.25rem;
  line-height: var(--line-height-tight);
  margin: var(--space-4) 0 var(--space-2);
}

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

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

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

strong {
  font-weight: 600;
}

/* Links ------------------------------------------------------------ */
a {
  color: var(--color-primary-strong);
  transition: color var(--transition-fast),
    text-decoration-color var(--transition-fast),
    opacity var(--transition-fast);
}

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

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

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

/* ==================================================================
   Accessibility & Motion
   ================================================================== */
:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 3px;
}

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

/* Screen-reader only utility */
.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;
}

/* ==================================================================
   Layout Utilities
   ================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding-left: var(--page-gutter);
  padding-right: var(--page-gutter);
}

.section {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.section--muted {
  background-color: var(--color-surface);
}

.section__intro {
  max-width: 40rem;
}

/* 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-column {
  display: flex;
  flex-direction: column;
}

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

.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(1, minmax(0, 1fr));
  gap: var(--space-6);
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

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

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

.pt-10 { padding-top: var(--space-10); }
.pb-10 { padding-bottom: var(--space-10); }

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

/* Fixed Age Notification Bar -------------------------------------- */
.site-notification {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background-color: #dc2626; /* bright red */
  color: #ffffff;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
}

.site-notification__inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0.5rem var(--page-gutter);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.site-notification__text {
  font-weight: 500;
  letter-spacing: 0.02em;
}

body {
  /* Offset body content to account for fixed bar + header; header
     should additionally account for this if it is also fixed. */
  padding-top: calc(var(--notification-bar-height) + var(--header-height));
}

@media (max-width: 480px) {
  .site-notification__inner {
    padding-inline: 0.75rem;
  }
}

/* Header / Navigation Shell --------------------------------------- */
.site-header {
  position: fixed;
  top: var(--notification-bar-height);
  left: 0;
  right: 0;
  z-index: 9998;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.site-header__inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0.75rem var(--page-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-nav {
  display: none;
}

@media (min-width: 960px) {
  .site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-4);
  }
}

.site-nav__link {
  font-size: var(--font-size-sm);
  text-transform: none;
  letter-spacing: 0.04em;
  color: var(--color-gray-700);
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast),
    border-color var(--transition-fast);
}

.site-nav__link:hover,
.site-nav__link--active {
  color: var(--color-primary-strong);
  border-color: var(--color-accent-gold);
}

/* Hero Shell ------------------------------------------------------- */
.hero {
  padding-top: calc(var(--space-10));
  padding-bottom: calc(var(--space-12));
}

@media (min-width: 768px) {
  .hero {
    padding-top: calc(var(--space-12));
    padding-bottom: calc(var(--space-16));
  }
}

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

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

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 34rem;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
}

/* Buttons ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  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, var(--color-primary-strong), #020617);
  color: #ffffff;
  box-shadow: var(--shadow-medium);
}

.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 55px rgba(15, 23, 42, 0.26);
}

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

.btn--outline {
  background-color: transparent;
  color: var(--color-primary-strong);
  border-color: rgba(15, 23, 42, 0.18);
}

.btn--outline:hover {
  border-color: var(--color-primary-strong);
  background-color: rgba(15, 23, 42, 0.02);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-primary-strong);
}

.btn--ghost:hover {
  background-color: rgba(15, 23, 42, 0.04);
}

.btn--gold {
  background: linear-gradient(135deg, #f4e3b2, var(--color-accent-gold));
  color: #1f2933;
  box-shadow: var(--shadow-soft);
}

.btn--gold:hover {
  box-shadow: var(--shadow-medium);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
  box-shadow: none;
}

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

/* Form Controls ---------------------------------------------------- */
.form-control {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-300);
  background-color: #ffffff;
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.form-control::placeholder {
  color: var(--color-text-soft);
}

.form-control:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.08),
    0 0 0 4px rgba(37, 99, 235, 0.16);
}

.form-control--textarea {
  min-height: 8rem;
}

.form-label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
}

.form-hint {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
}

.form-error {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Cards ------------------------------------------------------------ */
.card {
  background-color: var(--color-surface-elevated);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.22);
}

.card--muted {
  background-color: var(--color-surface);
  box-shadow: none;
}

.card__eyebrow {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-soft);
  margin-bottom: var(--space-1);
}

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

.card__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Hero Tag Pills for game types ----------------------------------- */
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.7rem;
  border-radius: var(--radius-pill);
  background-color: rgba(15, 23, 42, 0.04);
  color: var(--color-gray-700);
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tag-pill--gold {
  background-color: var(--color-accent-gold-soft);
  color: var(--color-primary-strong);
}

/* Footer ----------------------------------------------------------- */
.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.3);
  background-color: #f9fafb;
  padding-top: var(--space-8);
  padding-bottom: var(--space-6);
  font-size: var(--font-size-sm);
}

.site-footer__disclaimer {
  max-width: 48rem;
  color: var(--color-text-muted);
}

.site-footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-top: var(--space-4);
}

.site-footer__link {
  color: var(--color-gray-600);
}

.site-footer__link:hover {
  color: var(--color-primary-strong);
}

/* FAQ / Details ---------------------------------------------------- */
.faq {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.35);
  background-color: #ffffff;
}

.faq__item + .faq__item {
  border-top: 1px solid rgba(148, 163, 184, 0.25);
}

.faq__question {
  padding: 1rem 1.25rem;
  font-weight: 500;
  cursor: pointer;
}

.faq__answer {
  padding: 0 1.25rem 1rem;
  color: var(--color-text-muted);
}

/* Chips / Entertainment notes ------------------------------------- */
.notice-soft {
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: var(--font-size-sm);
  background-color: #eff6ff;
  color: #1d4ed8;
  border: 1px solid rgba(59, 130, 246, 0.35);
}

.notice-soft--neutral {
  background-color: var(--color-surface);
  color: var(--color-text-muted);
  border-color: rgba(148, 163, 184, 0.4);
}

.notice-soft--danger {
  background-color: #fef2f2;
  color: #b91c1c;
  border-color: rgba(248, 113, 113, 0.6);
}

/* Image treatments ------------------------------------------------- */
.photo-frame {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Utility: subtle section dividers -------------------------------- */
.rule-soft {
  border: 0;
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  margin: var(--space-6) 0;
}