/* ============================================================================
   WaifuCash Modern Design Tokens
   ============================================================================
   Dark editorial luxury palette with anime/crypto energy.
   Mobile-first, OKLCH color space, fluid typography, motion-friendly.
   Import this file BEFORE any page-specific CSS.
   ============================================================================ */

:root {
  /* === COLOR (OKLCH for perceptual uniformity) === */
  /* Surfaces - deep luxurious dark base */
  --c-surface-0: oklch(7% 0.018 270);          /* page background */
  --c-surface-1: oklch(11% 0.025 270);         /* elevated panel */
  --c-surface-2: oklch(15% 0.035 275);         /* card */
  --c-surface-3: oklch(20% 0.045 275);         /* hover/active */
  --c-surface-glass: oklch(15% 0.04 275 / 0.65);

  /* Text */
  --c-text: oklch(97% 0.012 280);
  --c-text-soft: oklch(85% 0.02 280);
  --c-text-muted: oklch(68% 0.04 280);
  --c-text-faded: oklch(50% 0.04 280);

  /* Accents - vibrant anime + crypto */
  --c-accent: oklch(72% 0.22 330);             /* hot pink */
  --c-accent-soft: oklch(80% 0.16 330);
  --c-accent-deep: oklch(58% 0.24 320);

  --c-cyan: oklch(82% 0.15 210);               /* electric cyan */
  --c-cyan-soft: oklch(86% 0.10 210);

  --c-gold: oklch(85% 0.16 85);                /* premium gold */
  --c-mint: oklch(80% 0.17 160);               /* success / WAIFU green */
  --c-coral: oklch(75% 0.17 35);               /* warm warning */

  /* Borders */
  --c-border: oklch(100% 0 0 / 0.08);
  --c-border-strong: oklch(100% 0 0 / 0.16);
  --c-border-accent: oklch(72% 0.22 330 / 0.35);

  /* === GRADIENTS === */
  --g-hero: radial-gradient(1200px 700px at 15% -10%, oklch(35% 0.25 320 / 0.45), transparent 60%),
             radial-gradient(900px 600px at 95% 30%, oklch(40% 0.20 200 / 0.30), transparent 65%),
             linear-gradient(180deg, var(--c-surface-0), var(--c-surface-1));
  --g-accent: linear-gradient(135deg, var(--c-accent), var(--c-accent-deep));
  --g-accent-soft: linear-gradient(135deg, oklch(72% 0.22 330 / 0.18), oklch(82% 0.15 210 / 0.12));
  --g-gold: linear-gradient(135deg, var(--c-gold), oklch(75% 0.18 60));
  --g-card-glow: linear-gradient(180deg, oklch(100% 0 0 / 0.06), oklch(100% 0 0 / 0.01));

  /* === TYPOGRAPHY === */
  --font-display: 'Space Grotesk', 'Poppins', system-ui, sans-serif;
  --font-body: 'Inter', 'Poppins', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;

  --text-hero: clamp(3rem, 8vw, 7.5rem);
  --text-display: clamp(2.25rem, 5vw, 4.5rem);
  --text-h1: clamp(2rem, 4vw, 3.25rem);
  --text-h2: clamp(1.5rem, 3vw, 2.5rem);
  --text-h3: clamp(1.25rem, 2vw, 1.75rem);
  --text-lead: clamp(1.125rem, 1.5vw, 1.375rem);
  --text-body: clamp(1rem, 1vw, 1.0625rem);
  --text-sm: 0.9375rem;
  --text-xs: 0.8125rem;

  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.55;
  --leading-relaxed: 1.7;

  --tracking-tight: -0.03em;
  --tracking-snug: -0.015em;
  --tracking-wide: 0.02em;
  --tracking-wider: 0.08em;

  /* === SPACING === */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-section: clamp(4rem, 8vw, 9rem);

  /* === RADIUS === */
  --r-sm: 0.5rem;
  --r-md: 0.875rem;
  --r-lg: 1.25rem;
  --r-xl: 1.75rem;
  --r-2xl: 2.5rem;
  --r-pill: 9999px;

  /* === SHADOWS === */
  --shadow-card: 0 4px 24px -8px oklch(0% 0 0 / 0.45),
                 0 1px 2px oklch(0% 0 0 / 0.30);
  --shadow-card-hover: 0 18px 48px -16px oklch(0% 0 0 / 0.55),
                       0 4px 12px oklch(0% 0 0 / 0.30);
  --shadow-glow-pink: 0 0 40px oklch(72% 0.22 330 / 0.35);
  --shadow-glow-cyan: 0 0 40px oklch(82% 0.15 210 / 0.30);
  --shadow-glow-gold: 0 0 60px oklch(85% 0.16 85 / 0.30);

  /* === MOTION === */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-in-out-quart: cubic-bezier(0.76, 0, 0.24, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  --t-fast: 180ms;
  --t-normal: 320ms;
  --t-slow: 600ms;
  --t-very-slow: 1100ms;

  /* === LAYOUT === */
  --container-max: 1340px;
  --container-pad-x: clamp(1rem, 4vw, 2.5rem);

  /* === Z-INDEX === */
  --z-header: 80;
  --z-modal: 100;
  --z-toast: 120;
}

/* === RESET / BASE === */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-normal);
  color: var(--c-text);
  background: var(--g-hero);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
::selection { background: oklch(72% 0.22 330 / 0.45); color: var(--c-text); }

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

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* === TYPOGRAPHY HELPERS === */
.h-hero {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}
.h-display {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}
.h-1 {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: 700;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-snug);
}
.h-2 { font-family: var(--font-display); font-size: var(--text-h2); font-weight: 700; line-height: var(--leading-snug); }
.h-3 { font-family: var(--font-display); font-size: var(--text-h3); font-weight: 600; line-height: var(--leading-snug); }
.t-lead { font-size: var(--text-lead); color: var(--c-text-soft); line-height: var(--leading-relaxed); }
.t-muted { color: var(--c-text-muted); }
.t-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--c-accent-soft);
  font-weight: 500;
}

.gradient-text {
  background: linear-gradient(135deg, var(--c-text), var(--c-accent), var(--c-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.gradient-text-pink {
  background: linear-gradient(135deg, var(--c-text), var(--c-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* === LAYOUT === */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad-x);
}
.section { padding-block: var(--space-section); }
.stack > * + * { margin-top: var(--stack-gap, var(--space-md)); }

/* === SURFACES / CARDS === */
.surface {
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
}
.surface-glass {
  background: var(--c-surface-glass);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
}
.card {
  background: linear-gradient(180deg, oklch(15% 0.035 275 / 0.95), oklch(11% 0.025 270 / 0.95));
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--space-xl);
  transition: transform var(--t-normal) var(--ease-out-expo),
              box-shadow var(--t-normal) var(--ease-out-expo),
              border-color var(--t-normal) var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--g-card-glow);
  pointer-events: none;
  opacity: 0.7;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--c-border-accent);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-body);
  letter-spacing: var(--tracking-snug);
  padding: 0.875rem 1.75rem;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  transition: transform var(--t-fast) var(--ease-spring),
              background var(--t-fast) var(--ease-out-expo),
              border-color var(--t-fast) var(--ease-out-expo),
              box-shadow var(--t-fast) var(--ease-out-expo);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--g-accent);
  color: oklch(99% 0 0);
  box-shadow: var(--shadow-glow-pink);
}
.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-glow-pink), 0 12px 28px -8px oklch(0% 0 0 / 0.5);
}
.btn-ghost {
  background: oklch(100% 0 0 / 0.05);
  color: var(--c-text);
  border: 1px solid var(--c-border-strong);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  background: oklch(100% 0 0 / 0.10);
  border-color: var(--c-accent);
  transform: translateY(-2px);
}
.btn-gold {
  background: var(--g-gold);
  color: oklch(15% 0.02 80);
  box-shadow: var(--shadow-glow-gold);
}
.btn-gold:hover { transform: translateY(-2px) scale(1.02); }
.btn-sm { padding: 0.5rem 1rem; font-size: var(--text-sm); }
.btn-lg { padding: 1.125rem 2.25rem; font-size: var(--text-lead); }

/* === BADGE / PILL === */
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: 0.375rem 0.875rem;
  border-radius: var(--r-pill);
  background: oklch(100% 0 0 / 0.06);
  border: 1px solid var(--c-border);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--c-text-soft);
}
.pill-live {
  background: oklch(80% 0.17 160 / 0.12);
  border-color: oklch(80% 0.17 160 / 0.35);
  color: var(--c-mint);
}
.pill-live::before {
  content: ""; width: 6px; height: 6px;
  background: var(--c-mint); border-radius: var(--r-pill);
  box-shadow: 0 0 8px var(--c-mint);
  animation: pulse-dot 1.6s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

/* === STAT === */
.stat {
  display: flex; flex-direction: column; gap: var(--space-2xs);
}
.stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: var(--tracking-tight);
}
.stat-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--c-text-muted);
}

/* === ANIMATIONS === */
@keyframes reveal-up {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes reveal-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes border-glow {
  0%, 100% { box-shadow: 0 0 0 0 oklch(72% 0.22 330 / 0.35); }
  50% { box-shadow: 0 0 28px 4px oklch(72% 0.22 330 / 0.45); }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms var(--ease-out-expo), transform 700ms var(--ease-out-expo);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }
.reveal-delay-4 { transition-delay: 320ms; }

.float-anim { animation: float-y 6s var(--ease-in-out-quart) infinite; }

/* === GRID HELPERS === */
.grid { display: grid; gap: var(--space-lg); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-lg);
}
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-bento { grid-template-columns: 1fr; }
}

/* === FLEX HELPERS === */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--c-surface-0); }
::-webkit-scrollbar-thumb { background: var(--c-surface-3); border-radius: var(--r-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--c-accent-deep); }

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* === FOCUS === */
:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}