/* Google-inspired Design System */
:root {
    /* Color Palette */
    --google-blue: #4285F4;
    --google-blue-dark: #1967D2;
    --google-red: #EA4335;
    --google-yellow: #FBBC05;
    --google-green: #34A853;
    
    /* Backgrounds */
    --bg-primary: #FFFFFF;
    --bg-surface: #F8F9FA;
    --bg-surface-hover: #F1F3F4;
    
    /* Text */
    --text-primary: #202124;
    --text-secondary: #5F6368;
    
    /* Spacing & Layout */
    --border-radius-lg: 24px;
    --border-radius-md: 16px;
    --border-radius-sm: 8px;
    
    /* Animations */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-card: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
    --shadow-hover: 0 1px 3px 0 rgba(60, 64, 67, 0.3), 0 4px 8px 3px rgba(60, 64, 67, 0.15);
}

body {
    font-family: 'Google Sans', 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
}

/* Typography */
.display-large {
    font-size: 56px;
    line-height: 64px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.display-medium {
    font-size: 40px;
    line-height: 48px;
    font-weight: 500;
}

.text-body-large {
    font-size: 18px;
    line-height: 28px;
    color: var(--text-secondary);
}

/* Navbar */
.navbar-custom {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: all var(--transition-medium);
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary) !important;
    padding: 8px 16px !important;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary) !important;
    background-color: var(--bg-surface-hover);
}

/* Buttons */
.btn-google {
    background-color: var(--google-blue);
    color: white;
    font-weight: 500;
    padding: 12px 24px;
    border-radius: 4px;
    border: none;
    transition: var(--transition-fast);
}

.btn-google:hover {
    background-color: var(--google-blue-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(66, 133, 244, 0.3);
    color: white;
}

.btn-outline-google {
    background-color: transparent;
    color: var(--google-blue);
    border: 1px solid var(--text-secondary);
    font-weight: 500;
    padding: 11px 23px;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.btn-outline-google:hover {
    background-color: rgba(66, 133, 244, 0.04);
    border-color: var(--google-blue);
    color: var(--google-blue);
}

/* Hero Section */
.hero-section {
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.gradient-bg {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(circle, rgba(66,133,244,0.1) 0%, rgba(255,255,255,0) 70%);
    z-index: -1;
    animation: pulse-gradient 10s ease-in-out infinite alternate;
}

@keyframes pulse-gradient {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.1); opacity: 0.8; }
}

/* Card Styles */
.feature-card {
    background: white;
    border-radius: var(--border-radius-md);
    padding: 32px;
    height: 100%;
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    background-color: var(--bg-surface);
    font-size: 24px;
    transition: var(--transition-fast);
}

.feature-card:hover .icon-wrapper {
    background-color: rgba(66, 133, 244, 0.1);
    color: var(--google-blue);
}

/* Feature Section with Alternate layout */
.section-padding {
    padding: 80px 0;
}

.feature-image-container {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition-medium);
}

.feature-image-container:hover {
    box-shadow: var(--shadow-hover);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    font-size: 18px;
    color: var(--text-secondary);
}

.feature-list li i {
    color: var(--google-green);
    margin-right: 16px;
    font-size: 20px;
}

/* Stats Section */
.stats-section {
    background-color: var(--bg-surface);
}

.stat-card {
    text-align: center;
    padding: 40px 20px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--google-blue);
    margin-bottom: 8px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--bg-surface) 0%, #FFFFFF 100%);
    border-radius: var(--border-radius-lg);
    padding: 64px;
    text-align: center;
    margin: 40px 0;
    position: relative;
    overflow: hidden;
}

.cta-decoration {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(52,168,83,0.1) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    top: -50px;
    left: -50px;
}

.cta-decoration-2 {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(251,188,5,0.1) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    bottom: -50px;
    right: -50px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .display-large {
        font-size: 40px;
        line-height: 48px;
    }
    
    .hero-section {
        padding: 80px 0 40px;
    }
    
    .cta-section {
        padding: 40px 20px;
    }
}