/* Main CSS for Propovia Commercial Site - Clean & Simple */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* CSS Variables */
:root {
    --synthesia-blue: #4285f4;
    --synthesia-blue-light: #6fa8f5;
    --synthesia-blue-dark: #1a73e8;
    --synthesia-gray: #f8f9fa;
}

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

body { 
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: white;
    color: #1e293b;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Glass Effect */
.glass-effect {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(203, 213, 225, 0.5);
}

/* Card Effects */
.card-hover {
    transition: all 0.2s ease;
    cursor: pointer;
}

.card-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Button Styles */
.btn-primary {
    background: var(--synthesia-blue);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--synthesia-blue-dark);
}

.btn-secondary {
    background: white;
    color: #64748b;
    padding: 12px 24px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-secondary:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

/* Text Effects */
.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--synthesia-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive Typography */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
}

/* Custom Selection */
::selection {
    background: var(--synthesia-blue);
    color: white;
}

::-moz-selection {
    background: var(--synthesia-blue);
    color: white;
}

/* Navigation */
nav {
    border-bottom: 1px solid #e2e8f0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

/* Feature Cards */
.feature-card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px;
    transition: all 0.2s ease;
}

.feature-card:hover {
    border-color: var(--synthesia-blue);
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.1);
}

/* Clean, minimal animations only */
.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Simple hover effects */
.hover-lift {
    transition: transform 0.2s ease;
}

.hover-lift:hover {
    transform: translateY(-1px);
}

/* Focus states */
button:focus,
a:focus {
    outline: 2px solid var(--synthesia-blue);
    outline-offset: 2px;
}

/* Clean section spacing */
.section-padding {
    padding: 80px 0;
}

@media (max-width: 768px) {
    .section-padding {
        padding: 60px 0;
    }
}