/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-dark: #0d0b1a;
  --bg-card: #16132b;
  --bg-card-hover: #1e1a38;
  --text: #e8e6f0;
  --text-muted: #9b97b0;
  --primary: #7c3aed;
  --primary-light: #a78bfa;
  --accent: #06d6a0;
  --accent-dark: #04b685;
  --pink: #f472b6;
  --cyan: #22d3ee;
  --yellow: #fbbf24;
  --gradient-hero: linear-gradient(135deg, #0d0b1a 0%, #1a1145 40%, #2d1b69 70%, #0d0b1a 100%);
  --gradient-text: linear-gradient(135deg, #7c3aed, #f472b6, #fbbf24);
  --gradient-accent: linear-gradient(135deg, #06d6a0, #22d3ee);
  --gradient-card-pro: linear-gradient(135deg, #1e1a38, #2d1b69);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 40px rgba(124,58,237,0.15);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13,11,26,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(124,58,237,0.15);
  transition: background var(--transition);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 64px;
  gap: 32px;
}
.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-icon { font-size: 1.5rem; }
.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-cta { margin-left: 12px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  font-family: var(--font);
  text-align: center;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124,58,237,0.35);
}
.btn-primary:hover { box-shadow: 0 6px 28px rgba(124,58,237,0.5); background: #6d28d9; }

.btn-accent {
  background: var(--gradient-accent);
  color: #0d0b1a;
  box-shadow: 0 4px 20px rgba(6,214,160,0.3);
}
.btn-accent:hover { box-shadow: 0 6px 28px rgba(6,214,160,0.45); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid rgba(124,58,237,0.4);
}
.btn-outline:hover { border-color: var(--primary); background: rgba(124,58,237,0.1); }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 160px 0 100px;
  text-align: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 0;
}
.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 40%, rgba(124,58,237,0.12) 0%, transparent 50%),
              radial-gradient(circle at 70% 60%, rgba(244,114,182,0.08) 0%, transparent 50%),
              radial-gradient(circle at 50% 80%, rgba(34,211,238,0.06) 0%, transparent 50%);
  animation: heroPulse 12s ease-in-out infinite alternate;
}
@keyframes heroPulse {
  0% { transform: scale(1) rotate(0deg); }
  100% { transform: scale(1.1) rotate(3deg); }
}

.hero-content { position: relative; z-index: 1; }
.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
}
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* Demo Window */
.hero-demo { margin-bottom: 40px; }
.demo-window {
  display: inline-block;
  background: #1a1730;
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: left;
  min-width: 480px;
  max-width: 100%;
  box-shadow: var(--shadow), var(--shadow-glow);
}
.demo-titlebar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: rgba(0,0,0,0.3);
}
.demo-dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28c840; }
.demo-title { margin-left: 8px; font-size: 0.75rem; color: var(--text-muted); }
.demo-body { padding: 20px; min-height: 60px; font-family: 'Courier New', monospace; font-size: 1rem; }
.demo-text { color: var(--accent); }
.cursor {
  animation: blink 1s step-end infinite;
  color: var(--accent);
  font-weight: 100;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 16px; font-size: 0.85rem; color: var(--text-muted); }

/* ===== Section Shared ===== */
.section-title {
  text-align: center;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 12px;
}
.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 48px;
}

/* ===== Features ===== */
.features { padding: 100px 0; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(124,58,237,0.1);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124,58,237,0.3);
  box-shadow: var(--shadow-glow);
}
.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: inline-block;
}
.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  font-weight: 700;
}
.feature-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== Compare ===== */
.compare { padding: 100px 0; }
.compare-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(124,58,237,0.15);
  background: var(--bg-card);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.compare-table th,
.compare-table td {
  padding: 14px 24px;
  text-align: left;
  border-bottom: 1px solid rgba(124,58,237,0.08);
}
.compare-table thead th {
  background: rgba(124,58,237,0.1);
  font-weight: 700;
  font-size: 1rem;
}
.pro-col { color: var(--accent); }
.badge {
  background: var(--accent);
  color: #0d0b1a;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 99px;
  font-weight: 700;
  margin-left: 6px;
  vertical-align: middle;
}
.check { color: var(--accent); font-weight: 700; text-align: center; }
.cross { color: #ef4444; text-align: center; }

/* ===== How It Works ===== */
.how-it-works { padding: 100px 0; }
.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}
.step {
  text-align: center;
  flex: 0 0 220px;
}
.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: #0d0b1a;
  font-size: 1.4rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.step h3 { font-size: 1.15rem; margin-bottom: 8px; }
.step p { color: var(--text-muted); font-size: 0.9rem; }
.step-connector {
  flex: 0 0 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
  align-self: center;
  margin-top: -24px;
  border-radius: 2px;
}

/* ===== Pricing ===== */
.pricing { padding: 100px 0; }
.pricing-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 700px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid rgba(124,58,237,0.12);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: center;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.pricing-card h3 { font-size: 1.3rem; margin-bottom: 8px; }
.price { font-size: 3rem; font-weight: 800; }
.price-period { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 24px; }

.pricing-card-pro {
  background: var(--gradient-card-pro);
  border-color: rgba(6,214,160,0.3);
  box-shadow: 0 0 50px rgba(6,214,160,0.1);
}
.pricing-card-pro .price { color: var(--accent); }
.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-accent);
  color: #0d0b1a;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 99px;
}

.pricing-features {
  text-align: left;
  margin-bottom: 28px;
}
.pricing-features li {
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.pricing-features li::first-letter { color: var(--accent); }

/* ===== Download ===== */
.download { padding: 80px 0 100px; }
.download-box {
  text-align: center;
  background: var(--gradient-card-pro);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  box-shadow: var(--shadow-glow);
}
.download-box h2 { font-size: 2rem; margin-bottom: 12px; }
.download-box p { color: var(--text-muted); margin-bottom: 28px; }
.download-meta { margin-top: 16px; font-size: 0.8rem; color: var(--text-muted); }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid rgba(124,58,237,0.1);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand { font-weight: 700; font-size: 1.1rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-muted); font-size: 0.85rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--text); }
.footer-copy { color: var(--text-muted); font-size: 0.8rem; }

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(13,11,26,0.97);
    backdrop-filter: blur(16px);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(124,58,237,0.15);
  }

  .features-grid { grid-template-columns: 1fr; }
  .pricing-cards { grid-template-columns: 1fr; max-width: 380px; }

  .steps { flex-direction: column; align-items: center; }
  .step-connector {
    width: 2px;
    height: 40px;
    flex: 0 0 40px;
    margin-top: 0;
    background: linear-gradient(180deg, var(--accent), var(--cyan));
  }

  .demo-window { min-width: 0; width: 100%; }
  .hero { padding: 120px 0 60px; }
  .hero-title { font-size: 2.2rem; }

  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .compare-table th, .compare-table td { padding: 10px 12px; font-size: 0.85rem; }
  .download-box { padding: 40px 20px; }
}