/* ==========================================================================
   Gamesly.net - Complete Design System v2.0
   Modern, Clean, Playful Gaming Theme with Warm Colors
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   -------------------------------------------------------------------------- */

:root {
  /* === COLORS === */

  /* Primary - Warm Coral/Orange */
  --primary-50: #fff7ed;
  --primary-100: #ffedd5;
  --primary-200: #fed7aa;
  --primary-300: #fdba74;
  --primary-400: #fb923c;
  --primary-500: #f97316;
  --primary-600: #ea580c;
  --primary-700: #c2410c;
  --primary-800: #9a3412;
  --primary-900: #7c2d12;

  /* Accent - Teal/Cyan for contrast */
  --accent-400: #22d3ee;
  --accent-500: #06b6d4;
  --accent-600: #0891b2;

  /* Success - Green */
  --success-500: #22c55e;
  --success-600: #16a34a;

  /* Warning - Amber */
  --warning-500: #f59e0b;
  --warning-600: #d97706;

  /* Error - Red */
  --error-500: #ef4444;
  --error-600: #dc2626;

  /* Neutrals - Warm Gray scale */
  --neutral-50: #fafaf9;
  --neutral-100: #f5f5f4;
  --neutral-200: #e7e5e4;
  --neutral-300: #d6d3d1;
  --neutral-400: #a8a29e;
  --neutral-500: #78716c;
  --neutral-600: #57534e;
  --neutral-700: #44403c;
  --neutral-800: #292524;
  --neutral-900: #1c1917;
  --neutral-950: #0c0a09;

  /* Semantic Colors */
  --color-bg: var(--neutral-50);
  --color-bg-alt: #ffffff;
  --color-bg-card: #ffffff;
  --color-bg-elevated: #ffffff;
  --color-text: var(--neutral-900);
  --color-text-secondary: var(--neutral-600);
  --color-text-muted: var(--neutral-400);
  --color-border: var(--neutral-200);
  --color-border-light: var(--neutral-100);
  --color-primary: var(--primary-500);
  --color-primary-hover: var(--primary-600);
  --color-accent: var(--accent-500);
  --color-accent-hover: var(--accent-600);

  /* === TYPOGRAPHY === */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font Sizes - Fluid Typography */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  /* === SPACING === */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* === BORDERS === */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* === SHADOWS === */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-glow: 0 0 20px rgb(249 115 22 / 0.3);
  --shadow-card: 0 1px 3px rgb(0 0 0 / 0.08), 0 4px 12px rgb(0 0 0 / 0.05);

  /* === TRANSITIONS === */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;

  /* === LAYOUT === */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --header-height: 64px;
}

/* --------------------------------------------------------------------------
   2. DARK MODE
   -------------------------------------------------------------------------- */

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: var(--neutral-950);
    --color-bg-alt: var(--neutral-900);
    --color-bg-card: var(--neutral-900);
    --color-bg-elevated: var(--neutral-800);
    --color-text: var(--neutral-100);
    --color-text-secondary: var(--neutral-400);
    --color-text-muted: var(--neutral-500);
    --color-border: var(--neutral-800);
    --color-border-light: var(--neutral-800);
    --color-primary: var(--primary-400);
    --color-primary-hover: var(--primary-300);

    --shadow-card: 0 1px 3px rgb(0 0 0 / 0.3), 0 4px 12px rgb(0 0 0 / 0.2);
    --shadow-glow: 0 0 30px rgb(249 115 22 / 0.2);
  }
}

/* --------------------------------------------------------------------------
   3. BASE RESET & DEFAULTS
   -------------------------------------------------------------------------- */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
}

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

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-text);
}

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

ul, ol {
  list-style-position: inside;
}

/* --------------------------------------------------------------------------
   4. LAYOUT COMPONENTS
   -------------------------------------------------------------------------- */

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

@media (min-width: 640px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

.container--sm { max-width: var(--container-sm); }
.container--md { max-width: var(--container-md); }
.container--lg { max-width: var(--container-lg); }

/* --------------------------------------------------------------------------
   5. NAVIGATION / HEADER
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 249, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background: rgba(12, 10, 9, 0.9);
  }
}

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

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text);
  text-decoration: none;
}

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

.site-logo__icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.site-nav__link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  transition: all var(--duration-fast) var(--ease-out);
}

.site-nav__link:hover {
  color: var(--color-text);
  background: var(--color-border-light);
}

.site-nav__link--active {
  color: var(--color-primary);
  background: var(--primary-50);
}

@media (prefers-color-scheme: dark) {
  .site-nav__link--active {
    background: rgba(249, 115, 22, 0.15);
  }
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4);
    gap: var(--space-2);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav__link {
    padding: var(--space-3) var(--space-4);
  }
}

/* --------------------------------------------------------------------------
   6. HERO SECTION
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  padding: var(--space-12) 0 var(--space-10);
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(249, 115, 22, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(6, 182, 212, 0.06), transparent);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3) var(--space-1) var(--space-1);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.hero__badge-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  border-radius: var(--radius-full);
  color: white;
  font-size: var(--text-xs);
}

.hero__title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: var(--font-bold);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto var(--space-6);
  line-height: var(--leading-relaxed);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

/* --------------------------------------------------------------------------
   7. BUTTONS
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  line-height: 1;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  text-decoration: none;
}

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

.btn--primary {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  color: white;
  box-shadow: var(--shadow-md), 0 0 0 0 rgba(249, 115, 22, 0);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 4px 20px rgba(249, 115, 22, 0.4);
}

.btn--secondary {
  background: var(--color-bg-card);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-border-light);
  border-color: var(--color-border);
}

.btn--accent {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
  color: white;
}

.btn--accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 4px 20px rgba(6, 182, 212, 0.4);
}

.btn--lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
  border-radius: var(--radius-xl);
}

.btn--full {
  width: 100%;
}

.btn--icon {
  padding: var(--space-3);
}

/* --------------------------------------------------------------------------
   8. CARDS
   -------------------------------------------------------------------------- */

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--duration-normal) var(--ease-out);
  box-shadow: var(--shadow-card);
}

.card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card--interactive {
  cursor: pointer;
  text-decoration: none;
  display: block;
  color: inherit;
}

.card--interactive:hover {
  border-color: var(--color-primary);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.card__icon--primary {
  background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
  color: var(--primary-600);
}

@media (prefers-color-scheme: dark) {
  .card__icon--primary {
    background: rgba(249, 115, 22, 0.2);
    color: var(--primary-400);
  }
}

.card__icon--accent {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(6, 182, 212, 0.2));
  color: var(--accent-500);
}

.card__icon--success {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(34, 197, 94, 0.2));
  color: var(--success-500);
}

.card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}

.card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.card__tag {
  display: inline-flex;
  padding: var(--space-1) var(--space-3);
  background: var(--primary-100);
  color: var(--primary-700);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (prefers-color-scheme: dark) {
  .card__tag {
    background: rgba(249, 115, 22, 0.2);
    color: var(--primary-300);
  }
}

/* Card Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-6);
}

/* --------------------------------------------------------------------------
   9. SECTIONS
   -------------------------------------------------------------------------- */

.section {
  padding: var(--space-10) 0;
}

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

.section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-8);
}

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

.section__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   10. FOOTER
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--neutral-900);
  color: var(--neutral-300);
  padding: var(--space-10) 0 var(--space-6);
  margin-top: auto;
}

.site-footer a {
  color: var(--neutral-300);
}

.site-footer a:hover {
  color: white;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.footer__brand {
  max-width: 280px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: white;
  margin-bottom: var(--space-3);
}

.footer__description {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--neutral-400);
}

.footer__nav-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: white;
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__nav-list {
  list-style: none;
}

.footer__nav-link {
  display: block;
  padding: var(--space-1) 0;
  font-size: var(--text-sm);
  color: var(--neutral-400);
  transition: color var(--duration-fast);
}

.footer__nav-link:hover {
  color: white;
}

.footer__bottom {
  padding-top: var(--space-5);
  border-top: 1px solid var(--neutral-800);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--neutral-500);
}

.footer__legal {
  display: flex;
  gap: var(--space-4);
}

.footer__legal a {
  font-size: var(--text-sm);
  color: var(--neutral-500);
}

/* --------------------------------------------------------------------------
   11. FORMS
   -------------------------------------------------------------------------- */

.input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-fast);
}

.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
}

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

.textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

/* --------------------------------------------------------------------------
   12. PAGE HEADER (for subpages)
   -------------------------------------------------------------------------- */

.page-header {
  padding: var(--space-8) 0 var(--space-6);
  text-align: center;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border-light);
}

.page-header__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.page-header__back:hover {
  color: var(--color-primary);
}

.page-header__title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl));
  margin-bottom: var(--space-2);
}

.page-header__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   13. UTILITIES
   -------------------------------------------------------------------------- */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-muted { color: var(--color-text-secondary); }

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

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.5s var(--ease-out) forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }