/* ==================== GLOBAL STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Corporate Blue Color Palette */
    --primary-blue: #0052CC;
    --primary-blue-dark: #003D99;
    --primary-blue-light: #0066FF;
    --accent-blue: #4C9AFF;
    --background-blue: #F4F8FF;
    --border-blue: #E3EFFF;
    
    /* Neutral Colors */
    --text-dark: #1F2937;
    --text-gray: #6B7280;
    --text-light: #9CA3AF;
    --white: #FFFFFF;
    --background-light: #F9FAFB;
    
    /* Status Colors */
    --success-green: #10B981;
    --warning-orange: #F59E0B;
    --error-red: #EF4444;
    
    /* Spacing & Sizing */
    --max-width: 1200px;
    --border-radius: 12px;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --box-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

/* ==================== NAVIGATION ==================== */
.navbar {
    background: var(--white);
    box-shadow: var(--box-shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-blue);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 1rem;
}

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

.login-btn, .logout-btn {
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    padding: 0.625rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.login-btn:hover, .logout-btn:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

/* ==================== PRICING HEADER ==================== */
.pricing-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pricing-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.pricing-header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.pricing-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.pricing-header p {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    opacity: 0.95;
    font-weight: 400;
}

.pricing-pill {
    display: inline-block;
    margin-top: 1rem;
}

.pill-label {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: inline-block;
}

/* ==================== PRICING CARDS ==================== */
.pricing-cards {
    padding: 4rem 2rem;
    background: var(--background-light);
}

.pricing-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.cards-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    align-items: start;
}

/* ==================== PRICING CARD STYLES ==================== */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-lg);
}

.card-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-blue);
}

.card-header h3 {
    font-size: 1.75rem;
    color: var(--primary-blue);
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.plan-tagline {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 1rem 0;
    line-height: 1;
}

.period {
    font-size: 1.1rem;
    color: var(--text-gray);
    font-weight: 400;
}

/* Featured Card (Professional Plan) */
.featured-card {
    border: 2px solid var(--primary-blue);
    box-shadow: 0 20px 40px -10px rgba(0, 82, 204, 0.3);
    position: relative;
}

.featured-card::before {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.featured-card:hover {
    border-color: var(--primary-blue-dark);
    box-shadow: 0 25px 50px -12px rgba(0, 82, 204, 0.4);
}

/* Free Trial Card */
.free-tier {
    border: 2px solid var(--accent-blue);
}

.free-tier .card-header h3 {
    color: var(--accent-blue);
}

/* Pro/Enterprise Card */
.pro-tier .card-header h3 {
    color: var(--primary-blue-dark);
}

/* ==================== FEATURES LIST ==================== */
.features {
    list-style: none;
    margin: 1.5rem 0 2rem 0;
    flex-grow: 1;
}

.features li {
    padding: 0.75rem 0;
    color: var(--text-dark);
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    line-height: 1.6;
}

.features li i {
    color: var(--success-green);
    margin-right: 0.75rem;
    font-size: 1.1rem;
    margin-top: 0.1rem;
    flex-shrink: 0;
}

/* ==================== PRICE BLOCKS (Monthly/Annual) ==================== */
.price-block {
    margin-top: auto;
}

.price-row {
    background: var(--background-blue);
    border: 1px solid var(--border-blue);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.price-row:hover {
    border-color: var(--primary-blue);
    background: var(--white);
}

.price-row.annual {
    position: relative;
}

.price-row.annual::after {
    content: 'SAVE 17%';
    position: absolute;
    top: -12px;
    right: 1rem;
    background: var(--success-green);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.price-row-text {
    margin-bottom: 1rem;
}

.price-main {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.annual-prices {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.original-price {
    font-size: 1.5rem;
    color: var(--text-light);
    text-decoration: line-through;
    font-weight: 600;
}

.discounted-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.price-note {
    display: block;
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-top: 0.25rem;
}

.price-note.success {
    color: var(--success-green);
    font-weight: 600;
}

/* ==================== BUTTONS ==================== */
.btn-select {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.btn-select:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(0, 82, 204, 0.4);
}

.btn-select.small {
    padding: 0.875rem 1.5rem;
    font-size: 0.95rem;
    margin-top: 0;
}

.btn-select.secondary {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-select.secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-select.featured-btn {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    box-shadow: 0 2px 8px -2px rgba(0, 82, 204, 0.2);
}

.btn-select.featured-btn:hover {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    border-color: var(--primary-blue-dark);
    box-shadow: 0 10px 25px -5px rgba(0, 82, 204, 0.5);
}

/* ==================== PRIVACY MODAL ==================== */
.privacy-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.privacy-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.privacy-modal-content {
    position: relative;
    background: var(--white);
    border-radius: var(--border-radius);
    max-width: 700px;
    width: 100%;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--box-shadow-lg);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.privacy-modal-header {
    padding: 2rem;
    border-bottom: 2px solid var(--border-blue);
    background: linear-gradient(135deg, var(--background-blue) 0%, var(--white) 100%);
}

.privacy-modal-header h2 {
    font-size: 1.75rem;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.agreement-subtitle {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.intro-text {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

.privacy-modal-body {
    padding: 2rem;
    overflow-y: auto;
    flex-grow: 1;
}

.privacy-scroll-area {
    max-height: 400px;
    overflow-y: auto;
    padding-right: 1rem;
    margin: 1.5rem 0;
}

.privacy-scroll-area::-webkit-scrollbar {
    width: 8px;
}

.privacy-scroll-area::-webkit-scrollbar-track {
    background: var(--background-light);
    border-radius: 4px;
}

.privacy-scroll-area::-webkit-scrollbar-thumb {
    background: var(--primary-blue);
    border-radius: 4px;
}

.privacy-scroll-area::-webkit-scrollbar-thumb:hover {
    background: var(--primary-blue-dark);
}

.agreement-section {
    margin-bottom: 2rem;
}

.agreement-section h3 {
    color: var(--primary-blue);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.agreement-section p {
    color: var(--text-dark);
    line-height: 1.7;
    font-size: 0.95rem;
}

.privacy-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--background-blue);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-blue);
}

.privacy-checkbox input[type="checkbox"] {
    margin-top: 0.25rem;
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-blue);
}

.privacy-checkbox label {
    color: var(--text-dark);
    font-size: 0.95rem;
    cursor: pointer;
    user-select: none;
    line-height: 1.5;
}

.privacy-modal-footer {
    padding: 1.5rem 2rem;
    border-top: 2px solid var(--border-blue);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    background: var(--background-light);
}

.btn-decline, .btn-accept {
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
}

.btn-decline {
    background: var(--white);
    color: var(--text-dark);
    border: 2px solid var(--border-blue);
}

.btn-decline:hover {
    background: var(--background-light);
    border-color: var(--text-gray);
}

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

.btn-accept:hover:not(:disabled) {
    background: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 82, 204, 0.3);
}

.btn-accept:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    opacity: 0.5;
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 768px) {
    .pricing-header h1 {
        font-size: 2rem;
    }
    
    .pricing-header p {
        font-size: 1rem;
    }
    
    .cards-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .nav-links a {
        font-size: 0.9rem;
    }
    
    .pricing-cards {
        padding: 2rem 1rem;
    }
    
    .card {
        padding: 2rem;
    }
    
    .price {
        font-size: 2.5rem;
    }
    
    .privacy-modal {
        padding: 1rem;
    }
    
    .privacy-modal-content {
        max-height: 90vh;
    }
    
    .privacy-modal-header,
    .privacy-modal-body {
        padding: 1.5rem;
    }
    
    .privacy-modal-footer {
        flex-direction: column;
    }
    
    .btn-decline, .btn-accept {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .pricing-header {
        padding: 3rem 1rem;
    }
    
    .pricing-header h1 {
        font-size: 1.75rem;
    }
    
    .card-header h3 {
        font-size: 1.5rem;
    }
    
    .price {
        font-size: 2rem;
    }
    
    .price-main, .discounted-price {
        font-size: 1.75rem;
    }
}