/* Plans Page Styles */

:root {
    --primary-color: #0088cc;
    --primary-hover: #006699;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --light-bg: #f8f9fa;
    --dark-text: #212529;
    --border-color: #dee2e6;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* Header */
.header {
    background: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

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

.nav {
    display: flex;
    gap: 1.5rem;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0066aa 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    margin: 0 0 1rem 0;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin: 0;
    opacity: 0.9;
}

/* Plans Section */
.plans-section {
    padding: 4rem 0;
    background: var(--light-bg);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

/* Plan Card */
.plan-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    display: flex;
    flex-direction: column;
}

.plan-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.plan-card.popular {
    border: 2px solid var(--primary-color);
}

.plan-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.plan-name {
    font-size: 1.5rem;
    margin: 0 0 0.5rem 0;
    color: var(--dark-text);
}

.plan-duration {
    color: var(--secondary-color);
    font-size: 0.875rem;
    margin: 0 0 1.5rem 0;
}

.plan-price {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-text);
}

.price-currency {
    font-size: 1.25rem;
    color: var(--secondary-color);
}

.price-period {
    font-size: 0.875rem;
    color: var(--secondary-color);
}

.plan-original-price {
    text-decoration: line-through;
    color: var(--secondary-color);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.plan-discount {
    display: inline-block;
    background: var(--success-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.plan-savings {
    color: var(--success-color);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
    flex-grow: 1;
}

.plan-features li {
    padding: 0.5rem 0;
    color: var(--dark-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.plan-features li:before {
    content: "✓";
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.25rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: #5a6268;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 3rem;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

/* Error State */
.error-message {
    text-align: center;
    padding: 3rem;
    color: var(--danger-color);
}

/* Features Section */
.features-section {
    padding: 4rem 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin: 0 0 3rem 0;
    color: var(--dark-text);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin: 0 0 0.5rem 0;
    color: var(--dark-text);
}

.feature-card p {
    margin: 0;
    color: var(--secondary-color);
}

/* Footer */
.footer {
    background: var(--dark-text);
    color: white;
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .plans-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .nav {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-section {
        padding: 2rem 0;
    }

    .plans-section {
        padding: 2rem 0;
    }

    .plan-card {
        padding: 1.5rem;
    }
}