/* =================================================================
   VEBEYX PLAY — Design System
   Theme: Arcade Premium (Linear × Height × gaming)
   ================================================================= */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { min-height: 100vh; line-height: 1.5; -webkit-font-smoothing: antialiased; }
img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ---------- Tokens ---------- */
:root {
  /* Brand */
  --accent: #7B6FF0;
  --accent-bright: #9D8FFF;
  --accent-deep: #5546E3;
  --cyan: #22D3EE;
  --cyan-soft: #67E8F9;
  --magenta: #F472B6;

  /* Surfaces */
  --bg: #0a0a0c;
  --bg-elevated: #131318;
  --bg-card: #16161B;
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-strong: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  /* Text */
  --text: #F5F5F7;
  --text-muted: #9CA3AF;
  --text-dim: #6B7280;

  /* Effects */
  --shadow-glow: 0 0 60px rgba(123, 111, 240, 0.25);
  --shadow-glow-cyan: 0 0 60px rgba(34, 211, 238, 0.2);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container: 1200px;
  --header-h: 72px;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;
}

/* ---------- Base ---------- */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  background: var(--bg);
  color: var(--text);
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  letter-spacing: -0.011em;
  overflow-x: hidden;
  position: relative;
}

/* Background grid + ambient glow */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 600px at 80% -10%, rgba(123, 111, 240, 0.12), transparent 60%),
    radial-gradient(ellipse 600px 500px at 10% 30%, rgba(34, 211, 238, 0.06), transparent 60%),
    radial-gradient(ellipse 500px 400px at 50% 100%, rgba(244, 114, 182, 0.04), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  background-position: -1px -1px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 100% 100% at 50% 50%, black 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 100% 100% at 50% 50%, black 0%, transparent 80%);
}

main, header, footer, section { position: relative; z-index: 1; }

h1, h2, h3, h4, h5, h6 {
  font-family: 'Unbounded', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); font-weight: 700; }
h3 { font-size: clamp(1.5rem, 2.5vw, 2rem); }
h4 { font-size: 1.25rem; }

p { color: var(--text-muted); line-height: 1.65; }
strong { color: var(--text); font-weight: 600; }

::selection { background: var(--accent); color: white; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 120px 0; }
.section-sm { padding: 80px 0; }
.section-lg { padding: 160px 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.text-gradient-violet {
  background: linear-gradient(135deg, var(--accent) 0%, var(--magenta) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 100px;
  transition: all 0.3s var(--ease-out);
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 4px 20px rgba(123, 111, 240, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.btn-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(123, 111, 240, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.btn-secondary {
  background: var(--bg-glass);
  color: var(--text);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.btn-secondary:hover {
  background: var(--bg-glass-strong);
  border-color: var(--accent);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  padding: 8px 12px;
}
.btn-ghost:hover { color: var(--accent-bright); }
.btn-lg { padding: 18px 32px; font-size: 1rem; }
.btn-sm { padding: 10px 16px; font-size: 0.8125rem; }

.btn .arrow {
  transition: transform 0.3s var(--ease-out);
}
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Cards ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.card-glass {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 100;
  transition: all 0.3s var(--ease-out);
}
.site-header.scrolled {
  background: rgba(10, 10, 12, 0.72);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Unbounded', sans-serif;
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.03em;
  color: var(--text);
}
.nav-logo-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent) 0%, var(--cyan) 100%);
  border-radius: 9px;
  font-size: 14px;
  font-weight: 900;
  color: var(--bg);
  font-family: 'Unbounded', sans-serif;
  box-shadow: 0 0 20px rgba(123, 111, 240, 0.4);
}
.nav-logo:hover .nav-logo-mark { transform: rotate(-8deg) scale(1.05); transition: transform 0.4s var(--ease-spring); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 8px 16px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 8px;
  transition: all 0.2s var(--ease-out);
}
.nav-link:hover { color: var(--text); background: var(--bg-glass); }
.nav-link.active { color: var(--text); }

.nav-cta { display: flex; align-items: center; gap: 12px; }

.nav-burger {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
}
.nav-burger span,
.nav-burger span::before,
.nav-burger span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  position: relative;
  transition: all 0.3s var(--ease-out);
}
.nav-burger span::before, .nav-burger span::after { content: ''; position: absolute; left: 0; }
.nav-burger span::before { top: -6px; }
.nav-burger span::after { top: 6px; }
.nav-burger.open span { background: transparent; }
.nav-burger.open span::before { top: 0; transform: rotate(45deg); }
.nav-burger.open span::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 860px) {
  .nav-burger { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 32px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    transition: transform 0.4s var(--ease-out);
    gap: 4px;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-link { padding: 14px 16px; font-size: 1rem; }
  .nav-cta .btn { display: none; }
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 120px;
  padding: 80px 0 40px;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, transparent, rgba(123, 111, 240, 0.04));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 320px;
}
.footer-brand p { font-size: 0.875rem; }
.footer-col h4 {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 0.9375rem;
  color: var(--text-muted);
  transition: color 0.2s var(--ease-out);
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--accent-bright); }
.footer-bottom-links { display: flex; gap: 20px; flex-wrap: wrap; }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: span 2; max-width: none; }
}

/* ---------- Generic page header (sub-pages) ---------- */
.page-header {
  padding: calc(var(--header-h) + 100px) 0 80px;
  text-align: center;
  position: relative;
}
.page-header h1 { margin: 24px 0 16px; }
.page-header p { font-size: 1.125rem; max-width: 640px; margin: 0 auto; }
.page-header .eyebrow { margin-bottom: 8px; }

/* ---------- Grids ---------- */
.grid {
  display: grid;
  gap: 24px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Utility ---------- */
.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: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }
.text-center { text-align: center; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mt-16 { margin-top: 64px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }

/* ---------- Animations ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(123, 111, 240, 0.3); }
  50% { box-shadow: 0 0 40px rgba(123, 111, 240, 0.6); }
}

.fade-up { animation: fadeUp 0.8s var(--ease-out) both; }
.fade-in { animation: fadeIn 0.6s var(--ease-out) both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* Reveal on scroll */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Forms ---------- */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 8px;
}
.form-label .req { color: var(--accent-bright); }
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9375rem;
  transition: all 0.2s var(--ease-out);
  font-family: inherit;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-glass-strong);
  box-shadow: 0 0 0 4px rgba(123, 111, 240, 0.12);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-dim); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239CA3AF' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 18px; padding-right: 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.form-error { color: #F87171; font-size: 0.8125rem; margin-top: 6px; }
.form-help { color: var(--text-dim); font-size: 0.8125rem; margin-top: 6px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  padding: 14px 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 100px;
  color: var(--text);
  font-size: 0.9375rem;
  font-weight: 500;
  box-shadow: var(--shadow-card);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: transform 0.4s var(--ease-out);
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.success { border-color: var(--cyan); }
.toast.success::before { content: '✓'; color: var(--cyan); font-weight: 700; }
.toast.error { border-color: #F87171; }
.toast.error::before { content: '✕'; color: #F87171; font-weight: 700; }