/* ===========================
   Datta Biblio - Styles
   =========================== */

/* Hero Section */
.biblio-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--gradient-sunset);
    color: var(--white);
    overflow: hidden;
}

.biblio-hero .hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
    animation: patternMove 22s ease-in-out infinite;
}

/* Library Stats */
.library-stats {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.stats-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.stats-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--azul-escuro);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.stats-content .lead {
    font-size: 1.2rem;
    color: var(--texto-secundario);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.library-highlight {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    border-radius: 16px;
    background: var(--cinza-platina);
    transition: all var(--transition-base);
}

.library-highlight:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.highlight-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-sunset);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    flex-shrink: 0;
}

.highlight-content h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--azul-escuro);
    margin-bottom: var(--spacing-xs);
}

.highlight-content p {
    color: var(--texto-secundario);
    line-height: 1.5;
}

.library-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.lib-card {
    background: var(--white);
    border: 2px solid var(--cinza-medio);
    border-radius: 20px;
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.lib-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-sunset);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.lib-card:hover::before {
    transform: scaleX(1);
}

.lib-card:hover {
    border-color: var(--roxo-moderno);
    transform: translateY(-5px);
    box-shadow: var(--shadow-purple);
}

.lib-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-sunset);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    margin: 0 auto var(--spacing-md);
}

.lib-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--azul-escuro);
    margin-bottom: var(--spacing-xs);
}

.lib-label {
    font-size: 1rem;
    color: var(--texto-secundario);
    font-weight: 600;
}

/* Features Section */
.features-section {
    padding: var(--spacing-3xl) 0;
    background: var(--cinza-platina);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.feature-card {
    background: var(--white);
    border-radius: 20px;
    padding: var(--spacing-xl);
    border: 2px solid transparent;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-sunset);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    border-color: rgba(139, 92, 246, 0.2);
    transform: translateY(-5px);
    box-shadow: var(--shadow-purple);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-sunset);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.feature-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--azul-escuro);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--texto-secundario);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.feature-benefits {
    list-style: none;
}

.feature-benefits li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) 0;
    font-size: 0.9rem;
    color: var(--texto-secundario);
    line-height: 1.4;
}

.feature-benefits li::before {
    content: '📚';
    font-size: 0.8rem;
    margin-top: 2px;
    flex-shrink: 0;
}

/* Library Types */
.library-types {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.types-tabs {
    max-width: 1200px;
    margin: 0 auto;
}

.tab-navigation {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.type-tab {
    background: var(--white);
    border: 2px solid var(--cinza-medio);
    border-radius: 50px;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    transition: all var(--transition-base);
    font-weight: 600;
    color: var(--texto-secundario);
}

.type-tab.active,
.type-tab:hover {
    background: var(--gradient-sunset);
    color: var(--white);
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: var(--shadow-purple);
}

.type-tab i {
    font-size: 1.2rem;
}

.tab-content {
    display: none;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.tab-content.active {
    display: block;
    opacity: 1;
}

.type-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.type-info h3 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--azul-escuro);
    margin-bottom: var(--spacing-md);
}

.type-info p {
    font-size: 1.1rem;
    color: var(--texto-secundario);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.benefits-list {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.benefits-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    font-size: 1rem;
}

.benefits-list i {
    color: var(--roxo-moderno);
    font-size: 1rem;
}

.type-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.type-stats .stat {
    text-align: center;
}

.type-stats .stat h4 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--roxo-moderno);
    margin-bottom: var(--spacing-xs);
}

.type-stats .stat p {
    font-size: 0.9rem;
    color: var(--texto-secundario);
    margin: 0;
}

.type-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.type-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

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

/* OJS Platform */
.ojs-platform {
    padding: var(--spacing-3xl) 0;
    background: var(--cinza-platina);
}

.ojs-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.ojs-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--azul-escuro);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.ojs-content .lead {
    font-size: 1.2rem;
    color: var(--texto-secundario);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.ojs-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.ojs-feature {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 12px;
    transition: all var(--transition-base);
}

.ojs-feature:hover {
    background: var(--white);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.ojs-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-sunset);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--white);
    flex-shrink: 0;
}

.ojs-text h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--azul-escuro);
    margin-bottom: var(--spacing-xs);
}

.ojs-text p {
    color: var(--texto-secundario);
    line-height: 1.5;
    margin: 0;
}

.ojs-visual {
    position: relative;
}

.ojs-dashboard {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    background: var(--white);
}

.ojs-header {
    background: var(--gradient-sunset);
    color: var(--white);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.ojs-controls {
    display: flex;
    gap: var(--spacing-xs);
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.control.red { background: #ff5f56; }
.control.yellow { background: #ffbd2e; }
.control.green { background: #27ca3f; }

.ojs-title {
    font-size: 0.9rem;
    font-weight: 600;
}

.ojs-content-area img {
    width: 100%;
    height: auto;
    display: block;
}

.ojs-stats {
    position: absolute;
    bottom: -20px;
    right: -20px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.ojs-stat-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--azul-escuro);
    animation: cardFloat 4s ease-in-out infinite;
}

.ojs-stat-card:nth-child(2) { animation-delay: 1s; }
.ojs-stat-card:nth-child(3) { animation-delay: 2s; }

.ojs-stat-card i {
    color: var(--roxo-moderno);
}

/* Integration Benefits */
.integration-benefits {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

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

.integration-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.integration-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.integration-card img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-bottom: var(--spacing-md);
    filter: grayscale(50%);
    transition: filter var(--transition-base);
}

.integration-card:hover img {
    filter: grayscale(0%);
}

.integration-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--azul-escuro);
    margin-bottom: var(--spacing-xs);
}

.integration-card p {
    font-size: 0.9rem;
    color: var(--texto-secundario);
    margin: 0;
}

/* Demo Request */
.demo-request-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-sunset);
    color: var(--white);
}

.demo-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.demo-info h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.demo-info p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.demo-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefit {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.benefit i {
    font-size: 1.2rem;
    color: var(--laranja-energia);
}

.benefit span {
    font-weight: 600;
}

.demo-form {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: var(--spacing-2xl);
}

.demo-form h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--laranja-energia);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
    background: rgba(255, 255, 255, 0.15);
}

.form-note {
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: var(--spacing-md);
}

/* CTA Final */
.cta-final {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-sunset);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
}

.cta-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 768px) {
    .stats-wrapper,
    .type-content,
    .ojs-wrapper,
    .demo-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .stats-visual,
    .type-image,
    .ojs-visual {
        order: -1;
    }
    
    .library-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .integrations-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .tab-navigation {
        flex-direction: column;
        align-items: center;
    }
    
    .type-tab {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .type-stats {
        justify-content: center;
    }
    
    .ojs-stats {
        position: static;
        flex-direction: row;
        justify-content: center;
        margin-top: var(--spacing-lg);
    }
    
    .biblio-hero .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .biblio-hero .hero-features {
        justify-content: center;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .library-grid,
    .integrations-grid {
        grid-template-columns: 1fr;
    }
    
    .biblio-hero .hero-features {
        flex-direction: column;
        align-items: center;
    }
    
    .demo-benefits {
        text-align: left;
    }
    
    .type-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .ojs-stats {
        flex-direction: column;
    }
}