/* assets/css/style.css - Main Stylesheet */

/* CSS Variables - Gemini Color Palette */
:root {
    --primary-color: #1a73e8;
    --primary-hover: #1557b0;
    --secondary-color: #5f6368;
    --background: #ffffff;
    --surface: #f8f9fa;
    --border: #dadce0;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --error: #d93025;
    --success: #1e8e3e;
    --warning: #f9ab00;
    --shadow: rgba(60, 64, 67, 0.3);
    --shadow-light: rgba(60, 64, 67, 0.15);
}

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-hover);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border: none;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 1px 3px 1px var(--shadow-light);
}

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

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

.btn-large {
    padding: 14px 32px;
    font-size: 16px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Header */
.header {
    background-color: var(--background);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 2px 0 var(--shadow-light);
}

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

.logo h1 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
}

.nav {
    display: flex;
    gap: 16px;
    align-items: center;
}

.nav a {
    padding: 8px 16px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.nav a:hover {
    background-color: var(--surface);
}

/* Hero Section */
.hero {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8eaed 100%);
}

.hero-content h2 {
    font-size: 3rem;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--background);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 48px;
    color: var(--text-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background-color: var(--surface);
    padding: 32px;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.feature-card:hover {
    box-shadow: 0 4px 12px var(--shadow-light);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: 12px;
}

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

/* Packages Section */
.packages {
    padding: 80px 0;
    background-color: var(--surface);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.package-card {
    background-color: var(--background);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    text-align: center;
}

.package-card:hover {
    box-shadow: 0 8px 16px var(--shadow-light);
    transform: translateY(-4px);
}

.package-card h3 {
    color: var(--text-primary);
    margin-bottom: 16px;
}

.package-price {
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--primary-color);
    margin: 16px 0;
}

.package-features {
    list-style: none;
    margin: 24px 0;
    text-align: left;
}

.package-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

.package-features li:last-child {
    border-bottom: none;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    color: white;
    margin-bottom: 16px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 32px;
}

/* Footer */
.footer {
    background-color: var(--surface);
    padding: 48px 0 24px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 32px;
}

.footer-info h3 {
    color: var(--text-primary);
    margin-bottom: 8px;
}

.footer-info p {
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

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

/* Loading State */
.loading {
    text-align: center;
    padding: 48px;
    color: var(--text-secondary);
}

/* Notification */
.notification {
    position: fixed;
    top: 24px;
    right: 24px;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow);
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification.success {
    background-color: var(--success);
    color: white;
}

.notification.error {
    background-color: var(--error);
    color: white;
}

.notification.warning {
    background-color: var(--warning);
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .features-grid,
    .packages-grid {
        grid-template-columns: 1fr;
    }
    
    .nav {
        flex-wrap: wrap;
    }
    
    .footer-content {
        flex-direction: column;
    }
}