/* ========================================================================
   Variables
   ======================================================================== */
:root {
  /* Colors */
  --color-bg: #050816;
  --color-bg-alt: #0b1020;
  --color-surface: #111827;
  --color-surface-soft: #1f2937;
  --color-text: #f9fafb;
  --color-text-muted: #9ca3af;

  --color-primary: #f97316; /* vibrant casino orange */
  --color-primary-soft: rgba(249, 115, 22, 0.15);
  --color-primary-strong: #ea580c;

  --color-success: #22c55e;
  --color-warning: #facc15;
  --color-danger: #ef4444;

  --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: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Poppins", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, Helvetica, Arial, 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: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.125rem; /* 2px */
  --space-2: 0.25rem;  /* 4px */
  --space-3: 0.375rem; /* 6px */
  --space-4: 0.5rem;   /* 8px */
  --space-5: 0.625rem; /* 10px */
  --space-6: 0.75rem;  /* 12px */
  --space-8: 1rem;     /* 16px */
  --space-10: 1.25rem; /* 20px */
  --space-12: 1.5rem;  /* 24px */
  --space-16: 2rem;    /* 32px */
  --space-20: 2.5rem;  /* 40px */
  --space-24: 3rem;    /* 48px */
  --space-32: 4rem;    /* 64px */
  --space-40: 5rem;    /* 80px */
  --space-48: 6rem;    /* 96px */

  /* Radius */
  --radius-xs: 0.125rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-pill: 999px;

  /* Shadows (casino-style glow) */
  --shadow-sm: 0 4px 10px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 0 1px rgba(249, 115, 22, 0.35),
    0 10px 30px rgba(249, 115, 22, 0.4);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 220ms ease-out;
  --transition-slow: 320ms ease-out;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 1ms linear;
    --transition-base: 1ms linear;
    --transition-slow: 1ms linear;
  }
}

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

* {
  margin: 0;
}

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

body {
  min-height: 100vh;
  overflow-x: clip;
}

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

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

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

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

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

/* ========================================================================
   Base Styles
   ======================================================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background: radial-gradient(circle at top, #1e293b 0, #020617 40%, #000 100%);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

main {
  min-height: 60vh;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-gray-50);
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
  margin-bottom: var(--space-12);
}

h2 {
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
  margin-bottom: var(--space-10);
}

h3 {
  font-size: clamp(var(--font-size-xl), 2.4vw, var(--font-size-3xl));
  margin-bottom: var(--space-8);
}

h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-6);
}

p {
  margin-bottom: var(--space-6);
  color: var(--color-text-muted);
}

strong {
  font-weight: 600;
}

hr {
  border: 0;
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  margin: var(--space-16) 0;
}

/* Links - global casino-inspired hover */
a {
  position: relative;
  transition: color var(--transition-base), transform var(--transition-base);
}

a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15em;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #f97316, #facc15, #22c55e);
  transition: width var(--transition-base);
}

a:hover::after {
  width: 100%;
}

a:hover {
  color: #fff !important;
  transform: translateY(-1px);
}

/* ========================================================================
   Accessibility & Focus
   ======================================================================== */
:focus {
  outline: none;
}

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

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-snap-type: none !important;
  }
}

/* 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;
}

/* ========================================================================
   Utilities
   ======================================================================== */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-8);
  padding-right: var(--space-8);
  max-width: 1120px;
}

@media (min-width: 1280px) {
  .container {
    max-width: 1200px;
  }
}

/* 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-sm {
  gap: var(--space-6);
}

.gap-md {
  gap: var(--space-10);
}

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

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-10);
}

@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-10);
}

@media (min-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

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

.mt-section {
  margin-top: var(--space-32);
}

.mb-section {
  margin-bottom: var(--space-32);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.5);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  max-width: 100%;
  overflow-wrap: anywhere;
}

.badge--primary {
  border-color: rgba(249, 115, 22, 0.6);
  color: var(--color-primary);
  background: rgba(15, 23, 42, 0.9);
}

/* ========================================================================
   Components
   ======================================================================== */
/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base),
    border-color var(--transition-base);
}

.btn-primary {
  background: radial-gradient(circle at 20% 0, #facc15 0, #f97316 40%, #b91c1c 100%);
  color: #0b1020;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  color: #fff !important;
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px) scale(1.02);
}

.btn-outline {
  background: transparent;
  border-color: rgba(249, 115, 22, 0.7);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary-soft);
  color: #fff !important;
  box-shadow: var(--shadow-sm);
}

.btn-ghost {
  background: rgba(15, 23, 42, 0.85);
  color: var(--color-text);
  border-color: rgba(148, 163, 184, 0.4);
}

.btn-ghost:hover {
  background: rgba(30, 64, 175, 0.2);
  color: #fff !important;
}

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

/* Form elements */
.input,
textarea,
select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15, 23, 42, 0.9);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-base),
    box-shadow var(--transition-base),
    background var(--transition-base);
}

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

.input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(249, 115, 22, 0.35);
  background: rgba(15, 23, 42, 1);
}

.field-label {
  display: block;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
  color: var(--color-gray-100);
}

.field-error {
  margin-top: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card component - for offers, games, and events */
.card {
  position: relative;
  background: radial-gradient(circle at top left, rgba(249, 115, 22, 0.15) 0,
        rgba(15, 23, 42, 0.98) 35%, #020617 100%);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(148, 163, 184, 0.25);
  padding: var(--space-16);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% -10%, rgba(248, 250, 252, 0.06), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(249, 115, 22, 0.65);
}

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

.card-header {
  margin-bottom: var(--space-8);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-4);
}

.card-meta {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

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

.card-footer {
  margin-top: var(--space-10);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

/* Tag-like chips for game types (Poker, Roulette, Blackjack) */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.5);
  color: var(--color-text-muted);
}

.chip--poker {
  border-color: rgba(34, 197, 94, 0.7);
  color: #4ade80;
}

.chip--roulette {
  border-color: rgba(248, 113, 113, 0.7);
  color: #fca5a5;
}

.chip--blackjack {
  border-color: rgba(56, 189, 248, 0.7);
  color: #7dd3fc;
}

/* Hero-like gradient accent for main sections */
.section-accent {
  position: relative;
  overflow: hidden;
}

.section-accent::before {
  content: "";
  position: absolute;
  top: -20%;
  bottom: -20%;
  left: 0;
  right: 0;
  background: radial-gradient(circle at top, rgba(249, 115, 22, 0.24), transparent 55%);
  opacity: 0.7;
  pointer-events: none;
  z-index: -1;
}

/* Navigation helpers (for casino-style header) */
.navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.7));
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-10);
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-size: var(--font-size-sm);
}

.nav-link {
  position: relative;
  padding: 0.25rem 0;
  color: var(--color-text-muted);
}

.nav-link:hover {
  color: #fff !important;
}

.nav-link--active {
  color: #fff;
}

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

/* Footer */
.footer {
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  background: radial-gradient(circle at bottom, #020617 0, #020617 35%, #000 100%);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.footer a:hover {
  color: #fff !important;
}

/* ========================================================================
   End of base.css for LEARN ASSIST CENTER (learnassistcenter.com)
   ======================================================================== */