/* ============================================
   NOTE: ALL HEADER STYLES NOW INLINE IN HTML
   ============================================
   
   This CSS file is no longer linked in building-intelligence-platform-shop.html
   
   REMOVED FROM THIS FILE:
   - All header styles (lines 72-152)
   - Logo styles
   - Navigation styles
   - Hamburger menu styles
   
   All header styles are now inline in the HTML file, copied from index.html
   to ensure consistency across all pages.
   
   This file now contains ONLY shop-specific styles:
   - Pricing section styles
   - Billing toggle styles
   - Feature cards
   - Comparison table
   - FAQ section
   - Footer
   
   This file is kept for reference only.
   
   ============================================ */

/* ============================================
   BIP SHOP PAGE - MAIN STYLES
   Formspree-inspired clean professional design
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #0018ff;        /* Blue - matching site */
    --color-secondary: #181E57;      /* Dark Blue */
    --color-success: #00C851;        /* Green */
    --color-background: #ffffff;     /* White */
    --color-text-primary: #111827;   /* Dark Gray */
    --color-text-secondary: #6b7280; /* Medium Gray */
    --color-border: #e5e7eb;         /* Light Gray */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}


/* HEADER STYLES REMOVED - Now inline in HTML from index.html reference */

/* Hero Section - Full Screen with Video Background */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Video Background */
.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

/* Video Overlay */
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(0, 24, 255, 0.85) 0%, 
        rgba(24, 30, 87, 0.85) 50%, 
        rgba(0, 24, 255, 0.85) 100%
    );
    z-index: 1;
}

/* Hero Content Container */
.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-2xl);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    font-weight: 500;
}

/* Billing Toggle */
.billing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    border-radius: 50px;
    display: inline-flex;
}

.billing-label {
    font-size: 1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: color 0.2s ease;
}

.billing-label.active {
    color: white;
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.5);
}

/* Toggle Switch (iOS-style) */
.toggle-switch {
    position: relative;
    width: 56px;
    height: 28px;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.toggle-switch.active {
    background: rgba(255, 255, 255, 0.5);
}

.toggle-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-md);
}

.toggle-switch.active .toggle-slider {
    transform: translateX(28px);
}

/* Save Badge */
.save-badge {
    display: inline-block;
    background: linear-gradient(135deg, #00C851 0%, #007E33 100%);
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 15px rgba(0, 200, 81, 0.3);
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-2xl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

/* Pricing Cards */
.pricing-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

/* Featured Card (Professional) */
.pricing-card-featured {
    border: 2px solid #0018ff;
    box-shadow: 0 4px 12px rgba(0, 24, 255, 0.15);
}

/* Badges */
.badge-popular,
.badge-value,
.badge-enterprise {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
}

.badge-popular {
    background: linear-gradient(135deg, #00C851 0%, #007E33 100%);
    box-shadow: 0 4px 15px rgba(0, 200, 81, 0.3);
}

.badge-value {
    background: linear-gradient(135deg, #0018ff 0%, #181E57 100%);
    box-shadow: 0 4px 15px rgba(0, 24, 255, 0.3);
}

.badge-enterprise {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d3748 100%);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Card Header */
.card-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    margin-top: var(--spacing-sm);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.card-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Card Price */
.card-price {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    transition: all 0.3s ease;
}

.price-period {
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.annual-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    min-height: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.annual-note.show {
    opacity: 1;
}

/* Card Features */
.card-features {
    flex-grow: 1;
    margin-bottom: var(--spacing-lg);
}

.usage-limit {
    text-align: center;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

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

.feature-list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* Card Action */
.card-action {
    margin-top: auto;
}

/* Contact Info (Enterprise) */
.contact-info {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.contact-info p {
    margin: var(--spacing-xs) 0;
}

/* Buttons */
.btn {
    display: inline-block;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #0018ff 0%, #181E57 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(0, 24, 255, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #001aff 0%, #1a2060 100%);
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 24, 255, 0.4);
}

.btn-secondary {
    background: white;
    color: #0018ff;
    border: 2px solid #0018ff;
}

.btn-secondary:hover {
    background: rgba(0, 24, 255, 0.05);
    border-color: #0018ff;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 24, 255, 0.2);
}

/* Feature Comparison Table */
.comparison {
    padding: var(--spacing-2xl) 0;
    background: var(--color-gray-50);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
}

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.comparison-table {
    width: 100%;
    background: white;
    border-collapse: collapse;
}

.comparison-table thead {
    background: linear-gradient(135deg, #0018ff 0%, #181E57 100%);
    position: sticky;
    top: 60px;
}

.comparison-table th {
    padding: var(--spacing-md);
    text-align: center;
    font-weight: 600;
    color: white;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

.comparison-table th:first-child {
    text-align: left;
}

.comparison-table td {
    padding: var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
}

.comparison-table tbody tr:hover {
    background: var(--color-gray-50);
}

.comparison-table tbody tr:nth-child(even) {
    background: rgba(249, 250, 251, 0.5);
}

.comparison-table .check {
    color: #00C851;
    font-weight: 600;
}

.comparison-table .cross {
    color: var(--color-text-secondary);
}

/* FAQ Section */
.faq {
    padding: var(--spacing-2xl) 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.faq-item {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.faq-question {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.faq-answer {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d3748 50%, #1a1a1a 100%);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-section p {
    color: #cbd5e0;
    font-size: 0.875rem;
    margin: var(--spacing-xs) 0;
}

.footer-section a {
    color: #e2e8f0;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: #0018ff;
    padding-left: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #a0aec0;
    font-size: 0.875rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (min-width: 641px) and (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}

/* Mobile */
@media (max-width: 640px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .hero-section {
        min-height: 100vh;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card {
        padding: var(--spacing-lg);
    }
    
    .billing-toggle {
        flex-wrap: wrap;
        padding: 1rem;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .comparison-table {
        font-size: 0.875rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-sm);
    }
}

/* Desktop Large */
@media (min-width: 1025px) {
    .pricing-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Animation for price changes */
@keyframes priceChange {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.price-amount.changing {
    animation: priceChange 0.3s ease;
}
/* ============================================
   CONTACT ICON STYLES (Professional SVG Icons)
   ============================================ */

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-xs) 0;
}

.contact-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--color-primary);
    transition: all 0.2s ease;
}

.contact-item:hover .contact-icon {
    color: var(--color-secondary);
    transform: scale(1.1);
}

.contact-item-indent {
    margin-left: 26px; /* Aligns with text when icon is 18px + 8px gap */
}