@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Space+Grotesk:wght@400;600;700&display=swap');

:root {
  color-scheme: dark;

  /* Background */
  --bg-primary: #0b0c10;
  --bg-card: rgba(18, 20, 26, 0.85);
  --bg-card-hover: rgba(24, 26, 34, 0.92);
  --bg-glass: rgba(22, 24, 30, 0.75);

  /* Gold Accent Palette */
  --gold-light: #fbe89d;
  --gold-medium: #e6c975;
  --gold-dark: #b5862e;
  --gold-gradient: linear-gradient(135deg, #f59e0b, #facc15, #f59e0b);

  /* Cosmic Glow Effects */
  --glow-amber: rgba(245, 158, 11, 0.08);
  --glow-purple: rgba(168, 85, 247, 0.05);
  --glow-blue: rgba(59, 130, 246, 0.05);

  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --text-tertiary: rgba(209, 213, 219, 0.9);

  /* Borders */
  --border-accent: rgba(251, 232, 157, 0.4);
  --border-accent-hover: rgba(251, 232, 157, 0.7);
  --border-subtle: rgba(255, 255, 255, 0.08);

  /* Shadows - Layered cosmic depth */
  --shadow-ambient: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-soft:
    0 4px 12px rgba(0, 0, 0, 0.4),
    0 8px 24px rgba(0, 0, 0, 0.2);
  --shadow-lift:
    0 8px 24px rgba(0, 0, 0, 0.5),
    0 16px 48px rgba(0, 0, 0, 0.3);
  --shadow-glow:
    0 0 20px var(--glow-amber),
    0 0 40px var(--glow-purple),
    0 8px 32px rgba(0, 0, 0, 0.4);

  /* Radii */
  --radius: 1.5rem;
  --radius-lg: 1.75rem;
  --radius-sm: 0.75rem;
  --radius-xs: 0.5rem;

  /* Spacing */
  --gap: clamp(1rem, 3.5vw, 2rem);
  --card-pad: clamp(0.5rem, 1.5vw, 0.75rem);
  --page-pad: clamp(1.25rem, 4vw, 3rem);

  /* Touch */
  --tap: 48px;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
}

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

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  background: var(--bg-primary);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--glow-amber), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, var(--glow-purple), transparent),
    radial-gradient(ellipse 50% 30% at 20% 80%, var(--glow-blue), transparent);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =====================
   Page Layout
   ===================== */

.page {
  min-height: 100vh;
  padding: var(--page-pad);
  display: flex;
  flex-direction: column;
  gap: clamp(1.5rem, 5vw, 3rem);
  max-width: 1400px;
  margin: 0 auto;
}

/* =====================
   Header & Logo
   ===================== */

.site-header {
  display: flex;
  justify-content: flex-start;
  padding: 0.25rem 0;
}

.logo {
  font-family: "Space Grotesk", system-ui, sans-serif;
  text-decoration: none;
  font-size: clamp(1.5rem, 4.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding: 0.5rem 0;
  text-shadow: 0 0 30px var(--glow-amber);
  transition:
    opacity var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
  display: inline-block;
}

.logo:hover,
.logo:focus {
  opacity: 0.9;
  transform: translateY(-1px);
  outline: none;
}

.logo:active {
  transform: translateY(0);
}

/* =====================
   Banner / Announcement
   ===================== */

.banner {
  position: sticky;
  top: 0.75rem;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1rem clamp(1.25rem, 3.5vw, 2rem);
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  min-height: clamp(4rem, 12vw, 5rem);
  border: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
      var(--glow-amber) 0%,
      transparent 50%,
      var(--glow-purple) 100%);
  pointer-events: none;
}

.banner-content {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.banner-title {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-weight: 700;
  font-size: clamp(0.9rem, 3vw, 1.15rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gold-light);
  transition: opacity var(--duration-normal) var(--ease-out);
}

.banner-text {
  font-size: clamp(0.85rem, 2.5vw, 1rem);
  color: var(--text-secondary);
  line-height: 1.45;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.banner-link {
  text-decoration: none;
  color: var(--bg-primary);
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-weight: 600;
  font-size: clamp(0.85rem, 2.5vw, 0.95rem);
  min-height: var(--tap);
  min-width: var(--tap);
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  background: var(--gold-gradient);
  border: none;
  box-shadow:
    0 0 16px var(--glow-amber),
    var(--shadow-ambient);
  transition:
    transform var(--duration-fast) var(--ease-spring),
    box-shadow var(--duration-normal) var(--ease-out),
    opacity var(--duration-normal) var(--ease-out);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.banner-link:hover,
.banner-link:focus {
  transform: translateY(-2px);
  box-shadow:
    0 0 24px rgba(245, 158, 11, 0.25),
    0 8px 24px rgba(0, 0, 0, 0.3);
  outline: none;
}

.banner-link:active {
  transform: translateY(0) scale(0.98);
  box-shadow: var(--shadow-soft);
}

/* =====================
   Main Content
   ===================== */

.main {
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 7vw, 4rem);
}

/* =====================
   Section Headers
   ===================== */

.section {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.section-header {
  padding-left: 0.25rem;
}

.section-header h2 {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  margin: 0.35rem 0 0;
  font-size: clamp(0.9rem, 2.8vw, 1.05rem);
  font-weight: 400;
  line-height: 1.55;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

/* =====================
   Card Grid
   ===================== */

.grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: 1fr;
}

/* =====================
   Game Cards - Premium Dark
   ===================== */

.game-card {
  display: grid;
  grid-template-rows: auto 1fr;
  text-decoration: none;
  color: var(--text-primary);
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition:
    transform var(--duration-fast) var(--ease-spring),
    box-shadow var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out),
    background var(--duration-normal) var(--ease-out);
  min-height: var(--tap);
  position: relative;
  isolation: isolate;
  border: 1px solid var(--border-accent);
}

.game-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
      var(--glow-amber) 0%,
      transparent 40%);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.game-card:hover,
.game-card:focus {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  border-color: var(--border-accent-hover);
  background: var(--bg-card-hover);
  outline: none;
}

.game-card:hover::before,
.game-card:focus::before {
  opacity: 1;
}

.game-card:active {
  transform: translateY(-1px) scale(0.99);
  box-shadow: var(--shadow-soft);
}

/* Card Media */
.card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: rgba(0, 0, 0, 0.3);
  padding: var(--card-pad);
  overflow: hidden;
}

.card-media::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
      transparent 0%,
      var(--border-accent) 20%,
      var(--border-accent) 80%,
      transparent 100%);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
  display: block;
  transition: transform var(--duration-normal) var(--ease-out);
}

.game-card:hover .card-media img,
.game-card:focus .card-media img {
  transform: scale(1.02);
}

/* Card Body */
.card-body {
  padding: 1rem 1.25rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  background: transparent;
}

.card-title {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(1rem, 3.2vw, 1.15rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  line-height: 1.3;
}

.card-meta {
  margin: 0;
  font-size: clamp(0.85rem, 2.5vw, 0.92rem);
  color: var(--text-secondary);
  line-height: 1.45;
}

/* =====================
   Sandbox Cards
   ===================== */

.game-card.sandbox {
  background: rgba(12, 14, 18, 0.7);
  border: 2px dashed rgba(251, 232, 157, 0.25);
  box-shadow: var(--shadow-ambient);
}

.game-card.sandbox::before {
  background: linear-gradient(180deg,
      var(--glow-purple) 0%,
      transparent 50%);
}

.game-card.sandbox .card-media {
  background:
    repeating-linear-gradient(-45deg,
      transparent 0px,
      transparent 10px,
      rgba(168, 85, 247, 0.04) 10px,
      rgba(168, 85, 247, 0.04) 20px),
    rgba(0, 0, 0, 0.2);
  position: relative;
}

.game-card.sandbox .card-media::before {
  content: "🧪";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(2.5rem, 8vw, 3.5rem);
  opacity: 0.7;
  z-index: 1;
}

.game-card.sandbox .card-media::after {
  background: linear-gradient(90deg,
      transparent 0%,
      rgba(168, 85, 247, 0.3) 20%,
      rgba(168, 85, 247, 0.3) 80%,
      transparent 100%);
}

.game-card.sandbox .card-title {
  color: var(--text-tertiary);
  font-weight: 600;
}

.game-card.sandbox .card-meta {
  font-style: italic;
  color: var(--text-secondary);
}

.game-card.sandbox:hover,
.game-card.sandbox:focus {
  transform: translateY(-3px);
  box-shadow:
    0 0 20px var(--glow-purple),
    var(--shadow-soft);
  border-color: rgba(168, 85, 247, 0.5);
  background: rgba(16, 18, 24, 0.85);
}

.game-card.sandbox:active {
  transform: translateY(0) scale(0.99);
}

/* =====================
   Responsive Breakpoints
   ===================== */

@media (min-width: 40rem) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .banner {
    padding: 1.25rem clamp(1.5rem, 4vw, 2.5rem);
  }
}

@media (min-width: 64rem) {
  .grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page {
    padding: var(--page-pad) clamp(2rem, 5vw, 4rem);
  }
}

@media (min-width: 90rem) {
  .grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* =====================
   Focus Visible States
   ===================== */

.logo:focus-visible,
.banner-link:focus-visible,
.game-card:focus-visible {
  outline: 2px solid var(--gold-medium);
  outline-offset: 3px;
}

/* =====================
   Reduced Motion
   ===================== */

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}