:root {
  --bg-color: #0d0f12;
  --bg-accent: #171a21;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --border: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(23, 26, 33, 0.6);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  background: linear-gradient(135deg, #fff, #9ca3af);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.navbar nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.navbar a:hover {
  color: var(--text-main);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--primary);
  color: white !important;
  box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.23);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-main) !important;
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background-color: var(--bg-accent);
}

.btn-large {
  padding: 14px 32px;
  font-size: 1.1rem;
}

.glow-btn {
  position: relative;
}
.glow-btn::before {
  content: '';
  position: absolute;
  top: -2px; left: -2px; right: -2px; bottom: -2px;
  background: linear-gradient(45deg, #3b82f6, #8b5cf6, #3b82f6);
  z-index: -1;
  border-radius: 10px;
  filter: blur(8px);
  opacity: 0.6;
  transition: opacity 0.3s ease;
}
.glow-btn:hover::before {
  opacity: 1;
}

/* Glassmorphism */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 16px;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 160px 0 100px;
  text-align: center;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, rgba(13,15,18,0) 70%);
  z-index: -1;
}

.hero-title {
  font-size: 4rem;
  max-width: 900px;
  margin: 0 auto 24px;
  background: linear-gradient(to bottom right, #ffffff, #9ca3af);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 80px;
}

.hero-image-wrapper {
  max-width: 900px;
  margin: 0 auto;
  perspective: 1000px;
}

.mockup-panel {
  padding: 24px;
  height: 400px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transform: rotateX(5deg) scale(0.95);
  transition: transform 0.5s ease;
}

.hero-image-wrapper:hover .mockup-panel {
  transform: rotateX(0deg) scale(1);
}

.mockup-header {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.mockup-header span {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #374151;
}

.mockup-header span:nth-child(1) { background: #ef4444; }
.mockup-header span:nth-child(2) { background: #f59e0b; }
.mockup-header span:nth-child(3) { background: #10b981; }

.mockup-row {
  display: flex;
  gap: 16px;
}
.mockup-box {
  flex: 1;
  height: 120px;
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.05);
  padding: 16px;
  text-align: left;
}
.mockup-box.active {
  background: rgba(59,130,246,0.1);
  border-color: rgba(59,130,246,0.2);
}
.mockup-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-main);
}
.mockup-line {
  height: 8px;
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
  margin-bottom: 16px;
}
.mockup-badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(59,130,246,0.2);
  color: #93c5fd;
}

/* Features */
.features {
  padding: 100px 0;
  position: relative;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 64px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
}

.feature-card {
  padding: 32px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(59, 130, 246, 0.4);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 24px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* CTA */
.cta {
  padding: 100px 0;
}

.cta-box {
  padding: 80px 40px;
  text-align: center;
  background: linear-gradient(180deg, var(--glass-bg), rgba(59, 130, 246, 0.05));
}

/* Footer */
footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-content p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .hero-title { font-size: 2.5rem; }
  .navbar { padding: 20px; }
  .feature-grid { grid-template-columns: 1fr; }
}