:root {
  /* Color Palette */
  --color-background: #060710;
  --color-surface: #0e1020;
  --color-surface-alt: #171a2b;
  --color-text: #f9fafb;
  --color-text-muted: #9ca3af;
  --color-primary: #f97316; /* warm, energetic accent */
  --color-primary-soft: rgba(249, 115, 22, 0.12);
  --color-success: #22c55e;
  --color-warning: #facc15;
  --color-danger: #ef4444;

  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #111827;
  --gray-900: #030712;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Inter", "Roboto", "Segoe UI", sans-serif;
  --font-display: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-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: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (px) */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

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

  /* Shadows */
  --shadow-sm: 0 4px 10px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 45px rgba(0, 0, 0, 0.6);

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

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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
}

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

picture {
  display: block;
}

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

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

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

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

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

h1,
.h1 {
  font-family: var(--font-display);
  font-size: var(--font-size-4xl);
  line-height: var(--line-height-tight);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-4);
}

h2,
.h2 {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  line-height: var(--line-height-snug);
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-bottom: var(--space-3);
}

h3,
.h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  line-height: var(--line-height-snug);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

h4,
.h4 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

h5,
.h5 {
  font-size: var(--font-size-lg);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

h6,
.h6 {
  font-size: var(--font-size-base);
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

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

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-normal);
}

a:hover {
  color: #fdba74;
}

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

strong,
.bold {
  font-weight: 600;
}

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

hr {
  border: none;
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  margin: var(--space-6) 0;
}

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

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
  }
}

.flex {
  display: flex;
}

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

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

.flex-row {
  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;
}

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

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

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

.py-section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

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

/* 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;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  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);
}

.btn-primary {
  background: linear-gradient(135deg, #f97316, #fb923c);
  color: #0b0f1c;
  box-shadow: 0 10px 30px rgba(249, 115, 22, 0.45);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(249, 115, 22, 0.6);
}

.btn-outline {
  background-color: transparent;
  border-color: rgba(249, 115, 22, 0.6);
  color: var(--color-text);
}

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

.btn-ghost {
  background-color: rgba(15, 23, 42, 0.8);
  color: var(--color-text);
}

.btn-ghost:hover {
  background-color: rgba(30, 64, 175, 0.8);
}

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

.btn:focus-visible {
  outline: 2px solid #fef3c7;
  outline-offset: 2px;
}

/* Form controls */
.input,
select,
textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.4);
  background-color: rgba(15, 23, 42, 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);
}

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

.input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: #f97316;
  box-shadow: 0 0 0 1px rgba(249, 115, 22, 0.6);
}

.input[disabled],
select[disabled],
textarea[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Card */
.card {
  background: radial-gradient(circle at top left, rgba(249, 115, 22, 0.18), transparent 55%),
              radial-gradient(circle at bottom right, rgba(56, 189, 248, 0.18), transparent 55%),
              var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.card--muted {
  background: var(--color-surface-alt);
  box-shadow: var(--shadow-sm);
}

.card-header {
  margin-bottom: var(--space-4);
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.card-meta {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

/* Tag / badge */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.badge-live {
  background: rgba(239, 68, 68, 0.15);
  color: #fecaca;
  border: 1px solid rgba(248, 113, 113, 0.7);
}

.badge-poker {
  background: rgba(34, 197, 94, 0.16);
  color: #bbf7d0;
  border: 1px solid rgba(34, 197, 94, 0.65);
}

/* =====================================
   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;
  }
}

/* =====================================
   Rivera Bluff – Theme Helpers
   ===================================== */

.section-dark {
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.8), transparent 60%),
              #020617;
}

.section-ink {
  background: linear-gradient(135deg, #020617, #111827 45%, #020617 100%);
}

.sport-highlight {
  background: radial-gradient(circle at top right, rgba(56, 189, 248, 0.24), transparent 60%),
              var(--color-surface);
}

.poker-highlight {
  background: radial-gradient(circle at top left, rgba(34, 197, 94, 0.24), transparent 60%),
              var(--color-surface);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 3.3vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 36rem;
}

.chip-divider {
  position: relative;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.6), transparent);
  margin: var(--space-6) 0;
}

.chip-divider::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  box-shadow: 0 0 0 6px rgba(15, 23, 42, 1);
  background:
    radial-gradient(circle at 30% 30%, rgba(249, 115, 22, 0.8), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(59, 130, 246, 0.8), transparent 55%),
    #020617;
}