/**
 * SIGMIX - Web Platform Page Styles
 * /css/platform.css
 */

/* ========================================
   HEADER SPACER - Matches fixed header height
======================================== */
.header-spacer {
    height: 70px;
}

/* ========================================
   NO DOWNLOAD BANNER
   Fix: position relative with z-index to prevent
   overlap issues with fixed header
======================================== */
.no-download-banner {
    position: relative;
    z-index: 10;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    padding: 0.875rem 1rem;
    text-align: center;
    margin-top: 0; /* Ensure no gap */
}

.no-download-banner p {
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.no-download-banner i {
    font-size: 1.1rem;
}

/* ========================================
   HERO SECTION
======================================== */
.platform-hero {
    padding: 5rem 0 4rem;
    background: linear-gradient(135deg, #030014 0%, #0a0a1f 40%, #0f172a 100%);
    position: relative;
    overflow: hidden;
}

.platform-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(16, 185, 129, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 185, 129, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 50% at 50% 30%, black, transparent);
    opacity: 0.5;
    pointer-events: none;
}

.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    color: var(--white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--accent-light);
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.hero-content h1 {
    font-size: clamp(2.25rem, 5vw, 3.25rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-content h1 .accent {
    background: linear-gradient(135deg, #10b981, #34d399, #6ee7b7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.institutional-callout {
    background: rgba(7, 0, 120, 0.3);
    border: 1px solid rgba(7, 0, 120, 0.5);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.institutional-callout i {
    color: var(--accent-light);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.institutional-callout p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.institutional-callout strong {
    color: var(--accent-light);
}

/* Browser Compatibility */
.browser-compatibility {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.browser-compatibility-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
}

.browser-icons {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.browser-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.browser-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    transform: translateY(-2px);
}

/* Hero CTA */
.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.4);
    text-decoration: none;
}

.btn-hero-primary:hover,
.btn-hero-primary:focus {
    transform: translateY(-3px);
    box-shadow: 0 0 50px rgba(16, 185, 129, 0.6);
    color: var(--white);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.15);
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-hero-secondary:hover,
.btn-hero-secondary:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    color: var(--white);
}

/* Hero Screenshot */
.hero-screenshot {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
}

.hero-screenshot img {
    width: 100%;
    max-width: 700px;
    height: auto;
    filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.5));
}

/* ========================================
   STATS BAR
======================================== */
.stats-bar {
    padding: 2.5rem 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.4rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray);
    font-weight: 500;
}

/* ========================================
   FEATURES SECTION
======================================== */
.features-section {
    padding: 5rem 0;
    background: var(--off-white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary);
    color: var(--white);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1.25rem;
}

.section-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--gray);
    line-height: 1.7;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Feature Showcase */
.feature-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 5rem;
}

.feature-showcase:last-child {
    margin-bottom: 0;
}

.feature-showcase.reverse {
    direction: rtl;
}

.feature-showcase.reverse > * {
    direction: ltr;
}

.feature-content h3 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1rem;
}

.feature-content > p {
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.feature-list {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.feature-list-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.875rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.feature-list-item:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(7, 0, 120, 0.08);
    transform: translateX(5px);
}

.feature-list-item i {
    color: var(--accent);
    font-size: 1rem;
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.feature-list-item strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.2rem;
}

.feature-list-item span {
    font-size: 0.85rem;
    color: var(--gray);
    line-height: 1.5;
}

.feature-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
}

.feature-visual img {
    width: 100%;
    max-width: 600px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
}

.btn-feature {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-feature:hover,
.btn-feature:focus {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(7, 0, 120, 0.2);
    color: var(--white);
}

/* ========================================
   TECHNOLOGY STATS BAR
======================================== */
.tech-stats-bar {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary) 0%, #1e1b4b 100%);
    position: relative;
    overflow: hidden;
}

.tech-stats-bar::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 60%);
    border-radius: 50%;
    pointer-events: none;
}

.tech-stats-content {
    position: relative;
    z-index: 1;
    text-align: center;
    margin-bottom: 2.5rem;
}

.tech-stats-content h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 0.75rem;
}

.tech-stats-content p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
}

.tech-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    position: relative;
    z-index: 1;
}

.tech-stat-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.tech-stat-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.tech-stat-card i {
    font-size: 1.5rem;
    color: var(--accent-light);
    margin-bottom: 0.75rem;
}

.tech-stat-card .value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 0.25rem;
}

.tech-stat-card .label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
}

.data-sources-row {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    position: relative;
    z-index: 1;
}

.data-source-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.data-source-badge i {
    font-size: 0.75rem;
    color: var(--accent-light);
}

/* ========================================
   PRICING CALLOUT
======================================== */
.pricing-callout {
    padding: 5rem 0;
    background: var(--white);
}

.pricing-callout-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 2.5rem;
    background: linear-gradient(135deg, var(--off-white), var(--white));
    border-radius: var(--radius-xl);
    border: 2px solid var(--gray-200);
}

.pricing-callout h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1rem;
}

.pricing-callout-content > p {
    font-size: 1rem;
    color: var(--gray);
    margin-bottom: 2rem;
}

.pricing-link {
    font-size: 0.9rem;
    margin-top: 1rem;
}

.pricing-link a {
    color: var(--primary);
    text-decoration: underline;
}

.pricing-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.pricing-mini-card {
    padding: 1.75rem;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    text-align: left;
    transition: all 0.3s ease;
}

.pricing-mini-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(7, 0, 120, 0.1);
}

.pricing-mini-card.featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(7, 0, 120, 0.02), var(--white));
}

.pricing-mini-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.pricing-mini-card .price {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.pricing-mini-card .price span {
    font-size: 0.95rem;
    color: var(--gray);
    font-weight: 500;
}

.pricing-mini-card .price-alt {
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 0.75rem;
}

.pricing-mini-card .license-note {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: rgba(7, 0, 120, 0.08);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    margin-bottom: 0.75rem;
}

.pricing-mini-card ul {
    list-style: none;
    margin: 0 0 1.25rem;
    padding: 0;
}

.pricing-mini-card ul li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0;
    font-size: 0.85rem;
    color: var(--dark);
}

.pricing-mini-card ul li i {
    color: var(--accent);
    font-size: 0.7rem;
    flex-shrink: 0;
}

.btn-pricing {
    display: block;
    width: 100%;
    padding: 0.8rem;
    text-align: center;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

.btn-pricing.primary:hover,
.btn-pricing.primary:focus {
    background: var(--primary-light);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-pricing.outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-pricing.outline:hover,
.btn-pricing.outline:focus {
    background: var(--primary);
    color: var(--white);
}

/* ========================================
   CTA SECTION
======================================== */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 2rem;
    background: var(--white);
    color: var(--accent-dark);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-decoration: none;
}

.btn-cta-primary:hover,
.btn-cta-primary:focus {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    color: var(--accent-dark);
}

.btn-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 2rem;
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-cta-secondary:hover,
.btn-cta-secondary:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--white);
    color: var(--white);
    transform: translateY(-3px);
}

/* ========================================
   VISUALLY HIDDEN (Accessibility)
======================================== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 1024px) {
    .hero-grid,
    .feature-showcase {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-screenshot {
        order: -1;
    }
    
    .hero-screenshot img {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .feature-showcase.reverse {
        direction: ltr;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .stats-grid,
    .tech-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .platform-hero {
        padding: 3rem 0;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .stats-grid {
        gap: 1.25rem;
    }
    
    .browser-compatibility {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .feature-visual img {
        max-width: 400px;
    }
    
    .pricing-callout-content {
        padding: 1.5rem;
    }
    
    .no-download-banner p {
        font-size: 0.85rem;
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .stats-grid,
    .tech-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-value {
        font-size: 1.75rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .data-sources-row {
        gap: 0.5rem;
    }
    
    .data-source-badge {
        font-size: 0.7rem;
        padding: 0.4rem 0.75rem;
    }
}

/* ========================================
   PRINT STYLES
======================================== */
@media print {
    .platform-hero {
        background: none;
        color: var(--dark);
        padding: 1rem 0;
    }
    
    .platform-hero::before,
    .tech-stats-bar::before,
    .cta-section::before {
        display: none;
    }
    
    .no-download-banner,
    .cta-section,
    .hero-cta,
    .btn-feature,
    .btn-pricing {
        display: none;
    }
    
    .hero-content h1 .accent {
        -webkit-text-fill-color: var(--primary);
    }
}