@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --color-bg: #09090b;
  --color-bg-subtle: #0f0f12;
  --color-bg-card: #111114;
  --color-bg-elevated: #18181c;
  --color-bg-hover: #1e1e24;
  --color-border: rgba(255,255,255,0.06);
  --color-border-subtle: rgba(255,255,255,0.04);
  --color-border-strong: rgba(255,255,255,0.12);
  --color-text: #fafafa;
  --color-text-secondary: #a1a1aa;
  --color-text-tertiary: #71717a;
  --color-text-muted: #52525b;
  --color-primary: #6366f1;
  --color-primary-light: #818cf8;
  --color-primary-dark: #4f46e5;
  --color-primary-subtle: rgba(99,102,241,0.12);
  --color-accent: #06b6d4;
  --color-accent-subtle: rgba(6,182,212,0.12);
  --color-success: #22c55e;
  --color-success-subtle: rgba(34,197,94,0.12);
  --color-warning: #f59e0b;
  --color-warning-subtle: rgba(245,158,11,0.12);
  --color-error: #ef4444;
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --gradient-primary-hover: linear-gradient(135deg, #818cf8 0%, #22d3ee 100%);
  --gradient-radial: radial-gradient(ellipse at center, rgba(99,102,241,0.15) 0%, transparent 70%);
  --gradient-hero: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99,102,241,0.15) 0%, transparent 100%);
  --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, transparent 100%);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-xl: 0 16px 64px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(99,102,241,0.15);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --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;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;
  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;
  --tracking-tight: -0.025em;
  --tracking-tighter: -0.05em;
  --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;
  --space-32: 8rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.76, 0, 0.24, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 150ms var(--ease-out);
  --transition-base: 250ms var(--ease-out);
  --transition-slow: 400ms var(--ease-out);
  --transition-slower: 600ms var(--ease-out);
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1200px;
  --container-2xl: 1400px;
  --z-header: 100;
  --z-overlay: 200;
  --z-modal: 300;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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);
  overflow-x: hidden;
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

input, textarea, select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

::selection {
  background: rgba(99,102,241,0.3);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-lg {
  max-width: var(--container-2xl);
}

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

.section {
  padding: var(--space-24) 0;
  position: relative;
}

.section-lg {
  padding: var(--space-32) 0;
}

.section-sm {
  padding: var(--space-16) 0;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-primary-light);
  background: var(--color-primary-subtle);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.badge--accent {
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  border-color: rgba(6,182,212,0.2);
}

.badge--success {
  color: var(--color-success);
  background: var(--color-success-subtle);
  border-color: rgba(34,197,94,0.2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after {
  opacity: 1;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md), 0 0 20px rgba(99,102,241,0.3);
}

.btn-primary:hover {
  box-shadow: var(--shadow-lg), 0 0 40px rgba(99,102,241,0.4);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background: var(--color-bg-hover);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  color: var(--color-text);
  background: rgba(255,255,255,0.05);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.06) 50%, transparent 100%);
}

.card:hover {
  border-color: var(--color-border-strong);
  background: var(--color-bg-elevated);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-glow {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-slow);
}

.card-glow::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, rgba(99,102,241,0), rgba(99,102,241,0.3), rgba(6,182,212,0));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.card-glow:hover::before {
  opacity: 1;
}

.card-glow:hover {
  box-shadow: var(--shadow-glow);
}

.icon-box {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-subtle);
  color: var(--color-primary-light);
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.icon-box--accent {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.icon-box--success {
  background: var(--color-success-subtle);
  color: var(--color-success);
}

.icon-box svg {
  width: 24px;
  height: 24px;
}

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.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-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.mx-auto { margin-left: auto; margin-right: auto; }

.section-header {
  max-width: 720px;
  margin: 0 auto var(--space-16);
  text-align: center;
}

.section-header .badge {
  margin-bottom: var(--space-4);
}

.section-header h2 {
  font-size: var(--text-4xl);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 560px;
  margin: 0 auto;
}

.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  border: none;
}

.divider-gradient {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-strong), transparent);
}

.eyebrow {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary-light);
}

.heading-xl {
  font-size: clamp(2.5rem, 5vw, var(--text-7xl));
  font-weight: 800;
  letter-spacing: var(--tracking-tighter);
  line-height: var(--leading-tight);
}

.heading-lg {
  font-size: clamp(2rem, 4vw, var(--text-5xl));
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
}

.heading-md {
  font-size: clamp(1.5rem, 3vw, var(--text-3xl));
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
}

.heading-sm {
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
}

.text-body {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.text-body-lg {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.input-group label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.input {
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

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

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

.relative { position: relative; }
.absolute { position: absolute; }
.overflow-hidden { overflow: hidden; }
.w-full { width: 100%; }
.h-full { height: 100%; }
.block { display: block; }
.inline-flex { display: inline-flex; }

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(3deg); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes ripple {
  to { transform: scale(4); opacity: 0; }
}

.animate-float { animation: float 6s ease-in-out infinite; }
.animate-float-delay-1 { animation: float 6s ease-in-out 1s infinite; }
.animate-float-delay-2 { animation: float 6s ease-in-out 2s infinite; }
.animate-pulse-glow { animation: pulse-glow 3s ease-in-out infinite; }
.animate-spin-slow { animation: spin-slow 20s linear infinite; }

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }