:root {
    --bg-color: #0d1117;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    
    --google-blue: #4285F4;
    --google-red: #EA4335;
    --google-yellow: #FBBC04;
    --google-green: #34A853;
    
    --purple-accent: #9b51e0;
    
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background Blobs */
.blob {
    position: fixed;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.4;
    border-radius: 50%;
    animation: float 20s infinite ease-in-out alternate;
    pointer-events: none;
}

#blob-1 {
    top: -10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--google-blue) 0%, transparent 70%);
}

#blob-2 {
    bottom: -10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--google-red) 0%, var(--purple-accent) 50%, transparent 70%);
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, 50px) scale(1.1); }
    100% { transform: translate(-50px, -20px) scale(0.9); }
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 4rem;
    z-index: 100;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--google-blue), var(--purple-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--google-blue);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    border: none;
    font-family: inherit;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.glow-effect {
    box-shadow: 0 0 20px rgba(66, 133, 244, 0.4);
}

/* Typography & Layout */
main {
    padding-top: 100px;
}

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 85vh;
    padding: 0 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 10;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    background: rgba(66, 133, 244, 0.1);
    color: var(--google-blue);
    border: 1px solid rgba(66, 133, 244, 0.3);
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--google-blue), var(--purple-accent), var(--google-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    z-index: 10;
}

/* Code Demo Card */
.glass-card {
    border-radius: 16px;
    padding: 1.5rem;
    width: 100%;
    max-width: 550px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.window-controls {
    display: flex;
    gap: 8px;
    margin-bottom: 1.2rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background-color: var(--google-red); }
.dot.yellow { background-color: var(--google-yellow); }
.dot.green { background-color: var(--google-green); }

pre {
    color: #e6edf3;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.95rem;
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 1.5;
}

/* Features */
.features-section {
    padding: 6rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.section-headers {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    padding: 2.5rem;
    border-radius: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--glass-border);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.2);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.primary-icon { background: rgba(66, 133, 244, 0.15); color: var(--google-blue); }
.secondary-icon { background: rgba(234, 67, 53, 0.15); color: var(--google-red); }
.tertiary-icon { background: rgba(52, 168, 83, 0.15); color: var(--google-green); }

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.6rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

footer {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-secondary);
    margin-top: 4rem;
    border-top: 1px solid var(--glass-border);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 4rem;
    }
    
    .hero-content {
        margin-bottom: 4rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-visual {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem 2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero, .features-section {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}