:root {
  color-scheme: dark light;
  --accent-50: #eef2ff; --accent-100: #e0e7ff; --accent-200: #c7d2fe;
  --accent-300: #a5b4fc; --accent-400: #818cf8; --accent-500: #6366f1;
  --accent-600: #4f46e5; --accent-700: #4338ca; --accent-800: #3730a3; --accent-900: #312e81;
  --success: #10b981; --warning: #f59e0b; --error: #ef4444; --info: #3b82f6;
  --dark-bg: #030712; --dark-bg-elevated: #0b1021; --dark-bg-card: rgba(17,24,39,0.7);
  --dark-border: rgba(255,255,255,0.06); --dark-border-hover: rgba(99,102,241,0.2);
  --dark-text-primary: #f8fafc; --dark-text-secondary: #94a3b8; --dark-text-muted: #64748b; --dark-text-dim: #475569;
  --light-bg: #f8fafc; --light-bg-elevated: #ffffff; --light-bg-card: rgba(255,255,255,0.85);
  --light-border: rgba(0,0,0,0.04); --light-border-hover: rgba(99,102,241,0.15);
  --light-text-primary: #0f172a; --light-text-secondary: #475569; --light-text-muted: #94a3b8; --light-text-dim: #cbd5e1;
  --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;
  --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --radius-xl: 20px; --radius-2xl: 24px; --radius-full: 9999px;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05); --shadow-sm: 0 1px 3px rgba(0,0,0,0.1),0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1),0 10px 10px -5px rgba(0,0,0,0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
  --shadow-glow: 0 0 60px rgba(99,102,241,0.15); --shadow-glow-strong: 0 0 80px rgba(99,102,241,0.25);
  --ease-out: cubic-bezier(0.16,1,0.3,1); --ease-in-out: cubic-bezier(0.65,0,0.35,1); --ease-bounce: cubic-bezier(0.34,1.56,0.64,1);
  --duration-fast: 150ms; --duration-normal: 300ms; --duration-slow: 500ms; --duration-slower: 800ms;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
html, body { min-height: 100vh; overflow-x: hidden; }

::selection {
  background: var(--accent-500);
  color: white;
}

:focus-visible {
  outline: 2px solid var(--accent-500);
  outline-offset: 2px;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; position: relative; padding: var(--space-8) var(--space-6);
  transition: background var(--duration-slower) var(--ease-out), color var(--duration-slower) var(--ease-out);
}

body.dark-mode { background: var(--dark-bg); color: var(--dark-text-primary); }
body.dark-mode::before {
  content: ''; position: fixed; inset: 0;
  background: radial-gradient(ellipse 80% 50% at 20% 40%, rgba(99,102,241,0.07) 0%, transparent 60%),
              radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139,92,246,0.05) 0%, transparent 50%),
              radial-gradient(ellipse 50% 50% at 50% 0%, rgba(59,130,246,0.04) 0%, transparent 50%);
  pointer-events: none; z-index: 0; animation: ambientFloat 15s ease-in-out infinite;
}
body.dark-mode::after {
  content: ''; position: fixed; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%236366f1' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none; z-index: 0; opacity: 0.5;
}
body.light-mode { background: var(--light-bg); color: var(--light-text-primary); }
body.light-mode::before {
  content: ''; position: fixed; inset: 0;
  background: radial-gradient(ellipse 80% 50% at 20% 40%, rgba(99,102,241,0.04) 0%, transparent 60%),
              radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139,92,246,0.03) 0%, transparent 50%);
  pointer-events: none; z-index: 0; animation: ambientFloat 15s ease-in-out infinite;
}

@keyframes ambientFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(1%,-1%) scale(1.02); }
  66% { transform: translate(-1%,1%) scale(0.98); }
}

:lang(ar) { font-family: 'Cairo', sans-serif; }
:lang(en), :lang(so) { font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }

[dir="rtl"] h1 { line-height: 1.3; }
[dir="rtl"] .controls { right: auto !important; left: var(--space-6) !important; }
[dir="rtl"] .countdown { direction: rtl; }
[dir="rtl"] .stat-item::after { right: auto; left: calc(-1 * var(--space-10)); }

#particles-canvas { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }

.noise-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 2; opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.container { max-width: 840px; width: 100%; margin: auto; display: flex; flex-direction: column; align-items: center; z-index: 10; position: relative; contain: layout style paint; }

/* Controls */
.controls {
  position: fixed; top: var(--space-6); right: var(--space-6); display: flex; align-items: center; gap: var(--space-2);
  z-index: 1000; background: var(--dark-bg-card); border: 1px solid var(--dark-border); padding: var(--space-2);
  border-radius: var(--radius-2xl); backdrop-filter: blur(24px) saturate(1.5); -webkit-backdrop-filter: blur(24px) saturate(1.5);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.02); transition: all var(--duration-normal) var(--ease-out);
  contain: layout style;
}
.controls:hover { border-color: var(--dark-border-hover); box-shadow: var(--shadow-xl), 0 0 0 1px rgba(99,102,241,0.1); }
body.light-mode .controls { background: var(--light-bg-card); border: 1px solid var(--light-border); box-shadow: var(--shadow-md), 0 0 0 1px rgba(0,0,0,0.02); }
body.light-mode .controls:hover { border-color: var(--light-border-hover); box-shadow: var(--shadow-lg), 0 0 0 1px rgba(99,102,241,0.08); }

.control-btn {
  background: transparent; color: var(--dark-text-secondary); border: none; padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg); font-family: inherit; font-weight: 600; font-size: 0.8rem; cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out); display: flex; align-items: center; gap: var(--space-2);
  position: relative; overflow: hidden; letter-spacing: 0.02em;
  touch-action: manipulation; -webkit-tap-highlight-color: transparent;
}
body.light-mode .control-btn { color: var(--light-text-secondary); }
.control-btn:hover { background: rgba(99,102,241,0.08); color: var(--accent-400); }
.control-btn:active { transform: scale(0.96); }
.control-btn svg { width: 18px; height: 18px; transition: transform var(--duration-normal) var(--ease-bounce); }
.control-btn:hover svg { transform: rotate(15deg) scale(1.1); }

/* Language dropdown */
.lang-dropdown { position: relative; }
.lang-menu {
  position: absolute; top: calc(100% + var(--space-3)); right: 0; background: var(--dark-bg-elevated);
  border: 1px solid var(--dark-border); border-radius: var(--radius-xl); padding: var(--space-2); min-width: 160px;
  backdrop-filter: blur(24px) saturate(1.5); -webkit-backdrop-filter: blur(24px) saturate(1.5);
  box-shadow: var(--shadow-2xl); opacity: 0; visibility: hidden;
  transform: translateY(-8px) scale(0.96); transform-origin: top right; transition: all var(--duration-normal) var(--ease-out); z-index: 1001;
}
body.light-mode .lang-menu { background: var(--light-bg-elevated); border: 1px solid var(--light-border); }
.lang-dropdown.open .lang-menu { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }

.lang-option {
  display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md); cursor: pointer; transition: all var(--duration-fast) var(--ease-out);
  font-size: 0.85rem; font-weight: 500; color: var(--dark-text-secondary);
}
body.light-mode .lang-option { color: var(--light-text-secondary); }
.lang-option:hover { background: rgba(99,102,241,0.08); color: var(--accent-400); }
.lang-option.active { background: rgba(99,102,241,0.12); color: var(--accent-400); }
.lang-check { margin-left: auto; opacity: 0; transition: opacity var(--duration-fast); }
[dir="rtl"] .lang-check { margin-left: 0; margin-right: auto; }
.lang-option.active .lang-check { opacity: 1; }

/* Logo */
.logo-section { margin-bottom: var(--space-8); position: relative; perspective: 1000px; }
.logo-wrapper {
  position: relative; width: 100px; height: 100px; aspect-ratio: 1 / 1; transform-style: preserve-3d;
  animation: logoFloat 6s ease-in-out infinite; will-change: transform;
}
@keyframes logoFloat {
  0%,100% { transform: translateY(0) rotateX(0) rotateY(0); }
  25% { transform: translateY(-8px) rotateX(5deg) rotateY(-5deg); }
  50% { transform: translateY(-4px) rotateX(-3deg) rotateY(3deg); }
  75% { transform: translateY(-10px) rotateX(2deg) rotateY(-2deg); }
}
.logo {
  width: 100%; height: 100%; background: linear-gradient(135deg, var(--accent-500), var(--accent-700));
  border-radius: var(--radius-2xl); display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; font-weight: 900; color: white;
  box-shadow: 0 8px 32px rgba(99,102,241,0.3), 0 0 0 1px rgba(255,255,255,0.1) inset, 0 0 60px rgba(99,102,241,0.15);
  position: relative; overflow: hidden;
}
.logo::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.15) 50%, transparent 60%);
  animation: logoShine 4s ease-in-out infinite;
}
@keyframes logoShine {
  0%,100% { transform: translateX(-100%); }
  50% { transform: translateX(100%); }
}
.logo-ring {
  position: absolute; inset: -12px; border: 2px solid rgba(99,102,241,0.15);
  border-radius: calc(var(--radius-2xl) + 12px); animation: ringRotate 12s linear infinite;
}
.logo-ring:nth-child(2) { inset: -20px; border-color: rgba(99,102,241,0.08); animation-duration: 18s; animation-direction: reverse; }
@keyframes ringRotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.logo-particles { position: absolute; inset: -40px; pointer-events: none; }
.logo-particle {
  position: absolute; width: 4px; height: 4px; background: var(--accent-400); border-radius: 50%;
  opacity: 0; animation: particleOrbit 3s ease-in-out infinite;
}
@keyframes particleOrbit {
  0% { opacity: 0; transform: scale(0) rotate(0deg); }
  20% { opacity: 1; transform: scale(1) rotate(72deg); }
  80% { opacity: 1; transform: scale(1) rotate(288deg); }
  100% { opacity: 0; transform: scale(0) rotate(360deg); }
}

/* Status badge */
.status-badge {
  display: inline-flex; align-items: center; gap: var(--space-3);
  background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(139,92,246,0.08));
  color: var(--accent-300); padding: var(--space-2) var(--space-5); border-radius: var(--radius-full);
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; margin-bottom: var(--space-6);
  border: 1px solid rgba(99,102,241,0.15); text-transform: uppercase; position: relative; overflow: hidden; backdrop-filter: blur(8px);
}
body.light-mode .status-badge { background: linear-gradient(135deg, rgba(99,102,241,0.06), rgba(139,92,246,0.04)); color: var(--accent-600); border: 1px solid rgba(99,102,241,0.1); }

.status-dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; position: relative; }
.status-dot::before { content: ''; position: absolute; inset: -4px; border-radius: 50%; background: var(--success); opacity: 0.3; animation: dotPulse 2s ease-in-out infinite; }
.status-dot::after { content: ''; position: absolute; inset: -8px; border-radius: 50%; background: var(--success); opacity: 0.1; animation: dotPulse 2s ease-in-out infinite 0.5s; }
@keyframes dotPulse { 0%,100% { transform: scale(1); opacity: 0.3; } 50% { transform: scale(1.5); opacity: 0; } }

/* Heading */
.heading-wrapper { margin-bottom: var(--space-5); position: relative; }
h1 {
  font-size: clamp(2.8rem, 8vw, 5rem); font-weight: 900; margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--accent-300), #c4b5fd, var(--accent-400), var(--accent-300));
  background-size: 300% 300%; -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  letter-spacing: -0.04em; line-height: 1.05; animation: gradientShift 6s ease infinite; position: relative;
  text-wrap: balance;
}
body.light-mode h1 { background: linear-gradient(135deg, var(--accent-600), var(--accent-500), var(--accent-700), var(--accent-600)); background-size: 300% 300%; -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
@keyframes gradientShift { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

.heading-glow {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 120%; height: 120%;
  background: radial-gradient(ellipse, rgba(99,102,241,0.15) 0%, transparent 70%); pointer-events: none; filter: blur(40px); animation: glowPulse 4s ease-in-out infinite;
}
@keyframes glowPulse { 0%,100% { opacity: 0.5; transform: translate(-50%,-50%) scale(1); } 50% { opacity: 0.8; transform: translate(-50%,-50%) scale(1.1); } }

.subtitle { font-size: clamp(1.05rem, 2.2vw, 1.25rem); max-width: 560px; line-height: 1.75; margin-bottom: var(--space-12); color: var(--dark-text-secondary); font-weight: 400; letter-spacing: 0.01em; text-wrap: balance; }
body.light-mode .subtitle { color: var(--light-text-secondary); }

/* Separator */
.separator { display: flex; align-items: center; gap: var(--space-4); margin-bottom: var(--space-10); width: 100%; max-width: 300px; }
.separator-line { flex: 1; height: 1px; background: linear-gradient(90deg, transparent, var(--dark-border-hover), transparent); }
body.light-mode .separator-line { background: linear-gradient(90deg, transparent, var(--light-border-hover), transparent); }
.separator-dot { width: 6px; height: 6px; background: var(--accent-500); border-radius: 50%; box-shadow: 0 0 12px var(--shadow-glow); animation: separatorPulse 3s ease-in-out infinite; }
@keyframes separatorPulse { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.3); opacity: 0.7; } }

/* Countdown */
.countdown-wrapper { width: 100%; margin-bottom: var(--space-12); }
.countdown { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); max-width: 560px; margin: 0 auto; }
.count-box {
  padding: var(--space-6) var(--space-4); border-radius: var(--radius-xl); background: var(--dark-bg-card);
  border: 1px solid var(--dark-border); backdrop-filter: blur(20px) saturate(1.2); -webkit-backdrop-filter: blur(20px) saturate(1.2);
  box-shadow: var(--shadow-lg); transition: all var(--duration-normal) var(--ease-bounce); position: relative; overflow: hidden; cursor: default;
  user-select: none; -webkit-user-select: none;
}
.count-box::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--accent-500), transparent); opacity: 0; transition: opacity var(--duration-normal); }
.count-box::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(99,102,241,0.05), transparent 60%); opacity: 0; transition: opacity var(--duration-normal); }
.count-box:hover { transform: translateY(-6px) scale(1.02); border-color: var(--dark-border-hover); box-shadow: var(--shadow-xl), var(--shadow-glow); }
.count-box:hover::before, .count-box:hover::after { opacity: 1; }
body.light-mode .count-box { background: var(--light-bg-card); border: 1px solid var(--light-border); box-shadow: var(--shadow-md); }
body.light-mode .count-box:hover { border-color: var(--light-border-hover); box-shadow: var(--shadow-lg), var(--shadow-glow); }
.count-box span { display: block; font-size: clamp(2.4rem, 5vw, 3.5rem); font-weight: 800; color: var(--dark-text-primary); line-height: 1; font-variant-numeric: tabular-nums; transition: all var(--duration-fast) var(--ease-out); position: relative; z-index: 1; font-family: 'Space Grotesk', monospace; }
body.light-mode .count-box span { color: var(--light-text-primary); }
.count-box:hover span { color: var(--accent-400); text-shadow: 0 0 30px var(--shadow-glow); }
.count-box label { display: block; font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; margin-top: var(--space-3); color: var(--dark-text-muted); transition: color var(--duration-fast); position: relative; z-index: 1; }
body.light-mode .count-box label { color: var(--light-text-muted); }
.count-box:hover label { color: var(--accent-400); }
.digit-flip { animation: digitFlip 0.4s var(--ease-bounce); }
@keyframes digitFlip { 0% { transform: scale(1) rotateX(0); } 50% { transform: scale(1.15) rotateX(10deg); } 100% { transform: scale(1) rotateX(0); } }

/* Progress */
.progress-section { width: 100%; max-width: 480px; margin-bottom: var(--space-10); }
.progress-label { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-3); font-size: 0.8rem; font-weight: 600; color: var(--dark-text-muted); }
body.light-mode .progress-label { color: var(--light-text-muted); }
.progress-bar-bg { width: 100%; height: 6px; background: var(--dark-bg-elevated); border-radius: var(--radius-full); overflow: hidden; position: relative; }
body.light-mode .progress-bar-bg { background: var(--light-text-dim); }
.progress-bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent-600), var(--accent-400), var(--accent-500)); background-size: 200% 100%; border-radius: var(--radius-full); transition: width 1.5s var(--ease-out); position: relative; animation: progressShimmer 3s linear infinite; will-change: background-position; }
@keyframes progressShimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.progress-bar-fill::after { content: ''; position: absolute; right: 0; top: 50%; transform: translateY(-50%); width: 12px; height: 12px; background: white; border-radius: 50%; box-shadow: 0 0 12px var(--shadow-glow); }
body.light-mode .progress-bar-fill::after { background: var(--accent-600); box-shadow: 0 0 12px rgba(99,102,241,0.25); }

/* Stats */
.stats { display: flex; justify-content: center; gap: var(--space-12); margin-bottom: var(--space-10); flex-wrap: wrap; }
.stat-item { text-align: center; position: relative; content-visibility: auto; contain-intrinsic-size: 0 80px; }
.stat-item::after { content: ''; position: absolute; right: calc(-1 * var(--space-10)); top: 50%; transform: translateY(-50%); width: 1px; height: 30px; background: var(--dark-border); }
.stat-item:last-child::after { display: none; }
body.light-mode .stat-item::after { background: var(--light-border); }
.stat-value { font-size: 1.6rem; font-weight: 800; color: var(--accent-400); line-height: 1; font-family: 'Space Grotesk', monospace; transition: all var(--duration-fast); }
.stat-value:hover { color: var(--accent-300); text-shadow: 0 0 20px var(--shadow-glow); }
.stat-label { font-size: 0.7rem; font-weight: 600; color: var(--dark-text-muted); text-transform: uppercase; letter-spacing: 0.1em; margin-top: var(--space-2); }
body.light-mode .stat-label { color: var(--light-text-muted); }

/* Alert */
.alert-container { width: 100%; max-width: 480px; margin-bottom: var(--space-6); min-height: 0; }
.alert { padding: var(--space-4) var(--space-6); border-radius: var(--radius-lg); font-weight: 600; font-size: 0.85rem; display: flex; align-items: center; gap: var(--space-3); animation: alertSlideIn 0.5s var(--ease-out); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid; transition: opacity 0.3s ease, transform 0.3s ease; }
@keyframes alertSlideIn { from { opacity: 0; transform: translateY(-16px) scale(0.96); } to { opacity: 1; transform: translateY(0) scale(1); } }
.alert-success { background: rgba(16,185,129,0.08); color: var(--success); border-color: rgba(16,185,129,0.2); }
.alert-error { background: rgba(239,68,68,0.08); color: var(--error); border-color: rgba(239,68,68,0.2); }
.alert-info { background: rgba(59,130,246,0.08); color: var(--info); border-color: rgba(59,130,246,0.2); }
.alert svg { width: 20px; height: 20px; flex-shrink: 0; }
.alert-close { margin-left: auto; background: none; border: none; color: inherit; cursor: pointer; padding: var(--space-1); opacity: 0.6; transition: opacity var(--duration-fast); touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
[dir="rtl"] .alert-close { margin-left: 0; margin-right: auto; }
.alert-close:hover { opacity: 1; }

/* Form */
.form-wrapper { width: 100%; max-width: 480px; margin-bottom: var(--space-8); position: relative; }
.email-form {
  display: flex; width: 100%; gap: var(--space-3); background: var(--dark-bg-card); border: 1px solid var(--dark-border);
  padding: var(--space-2); border-radius: var(--radius-2xl); box-shadow: var(--shadow-lg);
  transition: all var(--duration-normal) var(--ease-out); position: relative; background-clip: padding-box;
}
.email-form::before { content: ''; position: absolute; inset: -1px; border-radius: calc(var(--radius-2xl) + 1px); background: linear-gradient(135deg, var(--accent-500), var(--accent-700), var(--accent-500)); background-size: 200% 200%; opacity: 0; z-index: -1; transition: opacity var(--duration-normal); animation: gradientShift 3s ease infinite; }
.email-form:focus-within { border-color: transparent; box-shadow: var(--shadow-xl), var(--shadow-glow); }
.email-form:focus-within::before { opacity: 0.5; }
body.light-mode .email-form { background: var(--light-bg-card); border: 1px solid var(--light-border); box-shadow: var(--shadow-md); background-clip: padding-box; }
body.light-mode .email-form:focus-within { box-shadow: var(--shadow-lg), var(--shadow-glow); }
.email-form input[type="email"] { flex: 1; padding: var(--space-4) var(--space-5); border-radius: var(--radius-xl); font-family: inherit; font-size: 0.9rem; border: 1px solid transparent; background: var(--dark-bg-elevated); color: var(--dark-text-primary); outline: none; transition: all var(--duration-fast) var(--ease-out); letter-spacing: 0.01em; }
body.light-mode .email-form input[type="email"] { background: var(--light-bg-elevated); color: var(--light-text-primary); border: 1px solid var(--light-border); }
.email-form input[type="email"]::placeholder { color: var(--dark-text-dim); transition: all var(--duration-fast); }
body.light-mode .email-form input[type="email"]::placeholder { color: var(--light-text-dim); }
.email-form input[type="email"]:focus { background: rgba(99,102,241,0.05); }
.email-form input[type="email"]:focus::placeholder { opacity: 0.5; }
.email-form button { padding: var(--space-4) var(--space-6); background: linear-gradient(135deg, var(--accent-500), var(--accent-700)); color: #fff; border: none; border-radius: var(--radius-xl); font-weight: 700; font-size: 0.85rem; font-family: inherit; cursor: pointer; transition: all var(--duration-fast) var(--ease-out); box-shadow: 0 4px 20px rgba(99,102,241,0.3); position: relative; overflow: hidden; white-space: nowrap; letter-spacing: 0.02em; touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
.email-form button::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent); transition: left 0.6s ease; }
.email-form button:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(99,102,241,0.4); }
.email-form button:hover::before { left: 100%; }
.email-form button:active { transform: translateY(0) scale(0.97); }
.email-form button:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }

.spinner { display: inline-block; width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff; border-radius: 50%; animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); max-width: 600px; width: 100%; margin-bottom: var(--space-10); }
.feature-card { padding: var(--space-5); border-radius: var(--radius-xl); background: var(--dark-bg-card); border: 1px solid var(--dark-border); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); transition: all var(--duration-normal) var(--ease-bounce); text-align: center; content-visibility: auto; contain-intrinsic-size: 0 150px; }
.feature-card:hover { transform: translateY(-4px); border-color: var(--dark-border-hover); box-shadow: var(--shadow-lg); }
body.light-mode .feature-card { background: var(--light-bg-card); border: 1px solid var(--light-border); }
body.light-mode .feature-card:hover { border-color: var(--light-border-hover); }
.feature-icon { width: 40px; height: 40px; margin: 0 auto var(--space-3); background: linear-gradient(135deg, var(--accent-500), var(--accent-700)); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: white; font-size: 1.1rem; }
.feature-title { font-size: 0.8rem; font-weight: 700; color: var(--dark-text-primary); margin-bottom: var(--space-1); }
body.light-mode .feature-title { color: var(--light-text-primary); }
.feature-desc { font-size: 0.7rem; color: var(--dark-text-muted); line-height: 1.5; }
body.light-mode .feature-desc { color: var(--light-text-muted); }

/* Social links */
.social-links { display: flex; justify-content: center; gap: var(--space-3); margin-bottom: var(--space-8); }
.social-link { width: 44px; height: 44px; border-radius: var(--radius-lg); background: var(--dark-bg-card); border: 1px solid var(--dark-border); display: flex; align-items: center; justify-content: center; color: var(--dark-text-secondary); text-decoration: none; transition: all var(--duration-fast) var(--ease-bounce); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); position: relative; overflow: hidden; cursor: pointer; touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
body.light-mode .social-link { background: var(--light-bg-card); border: 1px solid var(--light-border); color: var(--light-text-secondary); }
.social-link::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, var(--accent-500), var(--accent-700)); opacity: 0; transition: opacity var(--duration-fast); }
.social-link:hover { border-color: var(--accent-500); transform: translateY(-4px) scale(1.05); box-shadow: 0 8px 24px rgba(99,102,241,0.25); }
.social-link:hover::before { opacity: 1; }
.social-link:hover svg { color: white; }
.social-link svg { width: 18px; height: 18px; position: relative; z-index: 1; transition: color var(--duration-fast); }

/* Footer */
footer { width: 100%; margin-top: auto; padding-top: var(--space-8); font-size: 0.75rem; color: var(--dark-text-dim); font-weight: 500; z-index: 10; position: relative; letter-spacing: 0.02em; }
body.light-mode footer { color: var(--light-text-dim); }
footer a { color: var(--accent-400); text-decoration: none; transition: all var(--duration-fast); position: relative; }
footer a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 1px; background: var(--accent-400); transition: width var(--duration-normal) var(--ease-out); }
[dir="rtl"] footer a::after { left: auto; right: 0; }
footer a:hover { color: var(--accent-300); }
footer a:hover::after { width: 100%; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--dark-text-dim); border-radius: var(--radius-full); }
body.light-mode ::-webkit-scrollbar-thumb { background: var(--light-text-dim); }
::-webkit-scrollbar-thumb:hover { background: var(--accent-500); }

/* Cursor glow */
@media (hover: hover) and (pointer: fine) {
  .cursor-glow { position: fixed; width: 300px; height: 300px; border-radius: 50%; background: radial-gradient(circle, rgba(99,102,241,0.08) 0%, transparent 70%); pointer-events: none; z-index: 5; transform: translate(-50%,-50%); transition: opacity 0.3s; will-change: transform, opacity; }
}

/* Responsive */
@media (max-width: 640px) {
  .controls { top: var(--space-4); right: var(--space-4); padding: var(--space-1); }
  [dir="rtl"] .controls { left: var(--space-4) !important; }
  .control-btn { padding: var(--space-2) var(--space-3); font-size: 0.75rem; }
  .control-btn span { display: none; }
  .logo-wrapper { width: 80px; height: 80px; }
  .logo { font-size: 2rem; }
  .countdown { grid-template-columns: repeat(2, 1fr); max-width: 300px; gap: var(--space-3); }
  .count-box { padding: var(--space-5) var(--space-3); }
  .count-box span { font-size: 2.2rem; }
  .features { grid-template-columns: 1fr; max-width: 280px; }
  .stats { gap: var(--space-8); }
  .stat-item::after { display: none; }
  .email-form { flex-direction: column; background: transparent; border: none; box-shadow: none; padding: 0; gap: var(--space-3); }
  .email-form::before { display: none; }
  .email-form input[type="email"] { background: var(--dark-bg-card); border: 1px solid var(--dark-border); border-radius: var(--radius-xl); padding: var(--space-4) var(--space-5); }
  body.light-mode .email-form input[type="email"] { background: var(--light-bg-card); border: 1px solid var(--light-border); }
  .email-form button { width: 100%; padding: var(--space-4); border-radius: var(--radius-xl); }
  body { padding-top: 5rem; padding-bottom: var(--space-6); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .logo-wrapper { animation: none; }
  .cursor-glow { display: none !important; }
}

@media print {
  .controls, .social-links, #particles-canvas, .noise-overlay, .cursor-glow { display: none !important; }
  body { background: white !important; color: black !important; }
}