/**
 * Homepage Styles
 */

:root {
    --texture-size: 240px;
    --texture-dark: none;
    --texture-light: none;
    --texture-overlay-dark: none;
    --texture-overlay-light: none;
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 600px;
    background: var(--color-background-secondary);
    overflow: hidden;
}

.hero-slides {
    position: relative;
    min-height: 600px;
}

.hero-slide {
    position: absolute;
    inset: 0;
    display: none;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.7s ease;
    background-size: cover;
    background-position: center;
}

.hero-slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.90) 45%, rgba(255, 255, 255, 0.55) 65%, rgba(255, 255, 255, 0) 85%);
}

.hero-slide.active {
    display: block;
    opacity: 1;
    pointer-events: auto;
}

.hero-slide .container {
    height: 100%;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%231F3A4D" fill-opacity="0.02" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: bottom;
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    padding: var(--spacing-4xl) 0;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--color-text);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-actions .btn-outline {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.hero-actions .btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-button-text);
}

.hero-indicators {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 3;
}

.indicator {
    width: 12px;
    height: 12px;
    border: none;
    padding: 0;
    border-radius: var(--radius-full);
    background-color: rgba(31, 58, 77, 0.25);
    cursor: pointer;
    transition: all var(--transition-base);
}

.indicator.active {
    background-color: var(--color-primary);
    width: 32px;
    border-radius: var(--radius-lg);
}

/* Video Section */
.video-section {
    padding: var(--spacing-4xl) 0;
    background: var(--color-background-secondary);
}

.video-wrapper {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.video-content {
    margin-bottom: var(--spacing-2xl);
}

.video-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-md);
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    background-color: var(--color-gray-900);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

/* Featured Section */
.featured-section {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-background);
}

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

.service-card {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

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

.service-card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(31, 58, 77, 0.05);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

.service-card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.service-card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.service-card-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-link);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: gap var(--transition-base), color var(--transition-base);
}

.service-card-link:hover {
    gap: var(--spacing-md);
    color: var(--color-link-hover);
}

/* About Section */
.about-section {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%),
        var(--texture-overlay-dark),
        var(--texture-dark);
    background-size: cover, cover, var(--texture-size) var(--texture-size);
    background-repeat: no-repeat, no-repeat, repeat;
}

/* About Section */
.about-section {
    padding: var(--spacing-4xl) 0;
    background: var(--color-background-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.section-label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.about-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.about-stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.about-image {
    position: relative;
}

.about-image-img {
    display: block;
    width: 85%;
    max-width: 420px;
    height: auto;
    margin: 0 auto;
}

.about-image-placeholder {
    width: 100%;
    aspect-ratio: 4 / 3;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

/* Certificates Section */
.certificates-section {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-background);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.certificate-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
}

.certificate-item:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-xl);
}

.certificate-item img {
    width: 100% !important;
    height: auto !important;
    min-height: 300px;
    object-fit: contain !important;
    background-color: white !important;
    padding: var(--spacing-sm);
    display: block;
}

/* Modern browsers with aspect-ratio support */
@supports (aspect-ratio: 1 / 1.414) {
    .certificate-item img {
        aspect-ratio: 1 / 1.414;
        min-height: auto;
    }
}

.certificate-overlay {
    padding: var(--spacing-md);
    background-color: var(--color-card);
    border-top: 1px solid var(--color-border);
}

.certificate-overlay h4 {
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.certificates-cta {
    text-align: center;
}

.certificates-cta .btn-primary {
    background-color: var(--color-button);
    color: var(--color-button-text);
    border: none;
}

.certificates-cta .btn-primary:hover {
    background-color: var(--color-button-hover);
    color: var(--color-button-text);
}

/* Articles Section */
.articles-section {
    padding: var(--spacing-4xl) 0;
    background: var(--color-background-secondary);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.article-card {
    display: block;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-decoration: none;
    color: inherit;
}

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

.article-card-image {
    height: 200px;
    overflow: hidden;
}

.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.article-card:hover .article-card-image img {
    transform: scale(1.05);
}

.article-card-content {
    padding: var(--spacing-xl);
}

.article-card-date {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.article-card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: var(--spacing-sm) 0;
    color: var(--color-text);
    transition: color var(--transition-base);
}

.article-card:hover .article-card-title {
    color: var(--color-link-hover);
}

.article-card-excerpt {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.article-card-read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-link);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: gap var(--transition-base), color var(--transition-base);
}

.article-card:hover .article-card-read-more {
    gap: var(--spacing-md);
    color: var(--color-link-hover);
}

.articles-cta {
    text-align: center;
}

.articles-cta .btn-primary {
    background-color: var(--color-button);
    color: var(--color-button-text);
    border: none;
}

.articles-cta .btn-primary:hover {
    background-color: var(--color-button-hover);
    color: var(--color-button-text);
}

/* Clients Section */
.clients-section {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-background);
}

.clients-slider {
    overflow: hidden;
    position: relative;
}

.clients-track {
    display: flex;
    gap: var(--spacing-2xl);
    animation: scroll 30s linear infinite;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.client-logo-item {
    flex-shrink: 0;
    width: 200px;
    height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
}

.client-logo-item img {
    max-width: 92%;
    max-height: 88px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.65;
    transition: all var(--transition-base);
}

.client-logo-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

/* Responsive */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-section,
    .hero-slides {
        min-height: 520px;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .services-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

/* Version 2.1: Home Light Layout Updated */