/* ========================================
   Variables
   ======================================== */
:root {
  /* Color palette - dark luxury casino style */
  --color-bg-body: #050608;
  --color-bg-elevated: #111217;
  --color-bg-elevated-soft: #181a21;
  --color-bg-inverse: #f7f7f7;

  --color-text-main: #f3f3f5;
  --color-text-soft: #b5b7c4;
  --color-text-muted: #8a8da0;
  --color-text-inverse: #050608;

  --color-primary: #d2a044; /* warm gold */
  --color-primary-soft: rgba(210, 160, 68, 0.18);
  --color-primary-strong: #f1c86a;

  --color-accent-emerald: #0f7b5f;
  --color-accent-burgundy: #7c1a32;

  --color-success: #2fbf71;
  --color-warning: #f2b035;
  --color-danger: #e44f4f;

  --color-border-subtle: #262837;
  --color-border-strong: #3b3f53;

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

  /* Typography */
  --font-sans: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Playfair Display", "Times New Roman", serif;
  --font-mono: "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --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: 1.125rem;  /* 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: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (px-based, 0–96px) */
  --space-0: 0;
  --space-4: 0.25rem;  /* 4px */
  --space-8: 0.5rem;   /* 8px */
  --space-12: 0.75rem; /* 12px */
  --space-16: 1rem;    /* 16px */
  --space-20: 1.25rem; /* 20px */
  --space-24: 1.5rem;  /* 24px */
  --space-32: 2rem;    /* 32px */
  --space-40: 2.5rem;  /* 40px */
  --space-48: 3rem;    /* 48px */
  --space-56: 3.5rem;  /* 56px */
  --space-64: 4rem;    /* 64px */
  --space-80: 5rem;    /* 80px */
  --space-96: 6rem;    /* 96px */

  /* Radius */
  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Shadows – soft, cinematic */
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-soft-high: 0 22px 60px rgba(0, 0, 0, 0.6);
  --shadow-border-glow: 0 0 0 1px rgba(210, 160, 68, 0.4), 0 0 24px rgba(210, 160, 68, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 220ms ease-out;
  --transition-slow: 340ms ease-out;
}

/* Respect prefers-reduced-motion: limit animations */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 1ms;
    --transition-normal: 1ms;
    --transition-slow: 1ms;
  }

  *, *::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;
}

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

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;
  margin: 0;
  padding: 0;
}

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

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

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

textarea {
  resize: vertical;
}

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

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

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

main {
  min-height: 60vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-text-main);
}

h1 {
  font-size: clamp(var(--font-size-3xl), 3vw + 1rem, var(--font-size-5xl));
  line-height: var(--line-height-tight);
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(var(--font-size-2xl), 2.3vw + 0.6rem, var(--font-size-4xl));
  line-height: var(--line-height-snug);
}

h3 {
  font-size: clamp(var(--font-size-xl), 1.8vw + 0.4rem, var(--font-size-3xl));
  line-height: var(--line-height-snug);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
}

p {
  margin-top: 0;
  margin-bottom: var(--space-16);
  color: var(--color-text-soft);
}

strong {
  font-weight: 600;
}

small {
  font-size: 0.875em;
}

/* Links - elegant gold accent */
a {
  color: var(--color-primary-strong);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast), text-shadow var(--transition-fast);
}

a:hover {
  color: var(--color-primary);
  text-shadow: 0 0 10px rgba(210, 160, 68, 0.3);
}

a:active {
  opacity: 0.85;
}

/* ========================================
   Accessibility & Focus Styles
   ======================================== */
:focus-visible {
  outline: 2px solid var(--color-primary-strong);
  outline-offset: 3px;
}

[data-focus-inverse]:focus-visible {
  outline-color: var(--color-text-inverse);
}

/* 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: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-16);
  padding-right: var(--space-16);
}

@media (min-width: 1200px) {
  .container-wide {
    max-width: 1400px;
  }
}

/* Spacing helpers (minimal, extensible) */
.section-padding-y {
  padding-top: var(--space-64);
  padding-bottom: var(--space-64);
}

.section-padding-y-sm {
  padding-top: var(--space-40);
  padding-bottom: var(--space-40);
}

.section-padding-y-lg {
  padding-top: var(--space-80);
  padding-bottom: var(--space-80);
}

/* Flex utilities */
.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 {
  flex-direction: column;
}

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

.gap-8 {
  gap: var(--space-8);
}

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

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

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

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-24);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-24);
}

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

/* Width utilities */
.w-full {
  width: 100%;
}

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

/* ========================================
   Components – Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast),
    opacity var(--transition-fast);
}

.btn-primary {
  background: radial-gradient(circle at 30% 0%, #f7e0a6, #d2a044 45%, #8c641c 100%);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft-high);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--color-primary-strong);
  border-color: rgba(210, 160, 68, 0.5);
  box-shadow: inset 0 0 0 1px rgba(210, 160, 68, 0.25);
}

.btn-outline:hover {
  background-color: var(--color-primary-soft);
  box-shadow: var(--shadow-soft);
}

.btn-ghost {
  background-color: rgba(17, 18, 23, 0.8);
  color: var(--color-text-main);
  border-color: rgba(255, 255, 255, 0.04);
}

.btn-ghost:hover {
  background-color: rgba(34, 36, 48, 0.9);
}

.btn-sm {
  padding: 0.55rem 1.2rem;
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: 0.9rem 1.9rem;
  font-size: var(--font-size-md);
}

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

.btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-border-glow);
}

/* ========================================
   Components – Form Elements
   ======================================== */
.form-control {
  width: 100%;
  padding: 0.75rem 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(11, 12, 18, 0.95);
  color: var(--color-text-main);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal);
}

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

.form-control:focus-visible {
  outline: none;
  border-color: var(--color-primary-strong);
  box-shadow: 0 0 0 1px rgba(210, 160, 68, 0.5), 0 0 24px rgba(210, 160, 68, 0.25);
}

.form-control[disabled],
.form-control:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

label {
  display: block;
  margin-bottom: var(--space-8);
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

@media (min-width: 640px) {
  .input-row {
    display: flex;
    gap: var(--space-16);
  }

  .input-row .input-group {
    flex: 1;
  }
}

/* ========================================
   Components – Card / Elevation
   ======================================== */
.card {
  position: relative;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.05), transparent 60%),
              linear-gradient(135deg, #10111a, #181b25);
  padding: var(--space-24);
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0 0, rgba(210, 160, 68, 0.15), transparent 60%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

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

.card-header {
  margin-bottom: var(--space-16);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-8);
}

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

.card-body {
  color: var(--color-text-soft);
}

/* ========================================
   Imagery Utilities – Casino / Product Focus
   ======================================== */
.img-soft-radius {
  border-radius: var(--radius-md);
}

.img-elevated {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft-high);
}

.img-frame-gold {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(210, 160, 68, 0.65);
  background: radial-gradient(circle at 10% 0, rgba(210, 160, 68, 0.25), transparent 70%);
  overflow: hidden;
}

.img-frame-gold img {
  display: block;
  width: 100%;
  height: auto;
}

/* ========================================
   Helper Classes – Tone & Surfaces
   ======================================== */
.surface-dark {
  background-color: var(--color-bg-elevated);
}

.surface-soft {
  background: radial-gradient(circle at top, rgba(210, 160, 68, 0.1), transparent 60%), #090a0f;
}

.surface-emerald {
  background: radial-gradient(circle at 30% 0, rgba(15, 123, 95, 0.4), transparent 55%), #050608;
}

.surface-burgundy {
  background: radial-gradient(circle at 70% 0, rgba(124, 26, 50, 0.35), transparent 55%), #050608;
}

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

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

.text-gold {
  color: var(--color-primary-strong);
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(210, 160, 68, 0.5);
  font-size: var(--font-size-xs);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-primary-strong);
}

/* ========================================
   Hero & Section-specific Base Helpers
   (generic enough for multi-pages)
   ======================================== */
.hero {
  position: relative;
  padding-top: var(--space-80);
  padding-bottom: var(--space-80);
  background: radial-gradient(circle at 15% -10%, rgba(15, 123, 95, 0.45), transparent 60%),
              radial-gradient(circle at 85% -10%, rgba(124, 26, 50, 0.4), transparent 60%),
              linear-gradient(135deg, #050608 0%, #050606 35%, #06060a 100%);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 120%, rgba(210, 160, 68, 0.16), transparent 65%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-12);
}

.hero-title {
  margin-bottom: var(--space-16);
}

.hero-subtitle {
  max-width: 34rem;
  font-size: var(--font-size-md);
}

.hero-actions {
  margin-top: var(--space-24);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-12);
}

/* ========================================
   Misc Utilities
   ======================================== */
.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); }
.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); }

.hidden {
  display: none !important;
}

@media (max-width: 640px) {
  .hide-sm {
    display: none !important;
  }
}

@media (min-width: 641px) {
  .show-sm-only {
    display: none !important;
  }
}