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

:root {
    --primary-bg: #0a1628;
    --secondary-bg: #151f30;
    --card-bg: #1a2332;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-orange: #f97316;
    --border-color: #2d3748;
    --excellent: #10b981;
    --good: #3b82f6;
    --average: #f59e0b;
    --poor: #ef4444;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, #0f1923 0%, #1a2332 100%);
    border-bottom: 3px solid var(--accent-blue);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    font-size: 2rem;
}

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

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-cyan);
    border-bottom-color: var(--accent-cyan);
}

.search-btn {
    background: var(--secondary-bg);
    border: none;
    color: var(--text-primary);
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: var(--card-bg);
    transform: translateY(-2px);
}

/* Tagline */
.tagline {
    background: var(--secondary-bg);
    padding: 1rem 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.tagline p {
    color: var(--accent-cyan);
    font-size: 0.95rem;
    font-weight: 500;
    font-style: italic;
}

/* Main Content */
.main-content {
    padding: 2rem 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2rem;
}

/* Hero Section */
.hero-section {
    margin-bottom: 3rem;
}

.hero-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    height: 500px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.7) 50%, transparent 100%);
    padding: 3rem 2.5rem 2rem;
}

.hero-badge {
    display: inline-block;
    background: var(--accent-orange);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    color: var(--text-primary);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.hero-btn {
    display: inline-block;
    background: var(--accent-blue);
    color: white;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.hero-btn:hover {
    background: var(--accent-cyan);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.5);
}

/* Section */
.section {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Reviews Grid */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.review-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--accent-blue);
}

.review-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.review-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.review-content {
    padding: 1.5rem;
    position: relative;
}

.review-score {
    position: absolute;
    top: -30px;
    right: 1.5rem;
    background: var(--card-bg);
    color: white;
    font-size: 1.5rem;
    font-weight: 800;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    border: 3px solid;
}

.review-score.excellent {
    border-color: var(--excellent);
    color: var(--excellent);
}

.review-score.good {
    border-color: var(--good);
    color: var(--good);
}

.review-score.average {
    border-color: var(--average);
    color: var(--average);
}

.review-score.poor {
    border-color: var(--poor);
    color: var(--poor);
}

.review-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    margin-top: 1rem;
}

.review-subtitle {
    color: var(--accent-cyan);
    font-style: italic;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.review-text {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.review-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.review-link:hover {
    color: var(--accent-cyan);
}

/* Articles List */
.articles-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.article-item {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    gap: 1.5rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.article-item:hover {
    transform: translateX(10px);
    border-color: var(--accent-blue);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
}

.article-image {
    flex-shrink: 0;
    width: 200px;
    height: 130px;
    border-radius: 8px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-item:hover .article-image img {
    transform: scale(1.1);
}

.article-content {
    flex: 1;
}

.article-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.article-text {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.article-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.article-link:hover {
    color: var(--accent-cyan);
}

/* Tech Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.tech-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--accent-cyan);
}

.tech-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.tech-content {
    padding: 1.5rem;
}

.tech-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.tech-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Sidebar */
.sidebar {
    position: sticky;
    top: 120px;
    height: fit-content;
}

.sidebar-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.sidebar-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Fil Info */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.news-item {
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.news-item:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.news-time {
    display: inline-block;
    background: var(--accent-blue);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.news-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Calendar */
.calendar-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.calendar-subtitle {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
}

.calendar-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.calendar-list li {
    color: var(--text-secondary);
    padding-left: 1.5rem;
    position: relative;
}

.calendar-list li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-weight: bold;
}

/* Newsletter */
.newsletter-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.newsletter-input {
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    background: var(--secondary-bg);
    color: var(--text-primary);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: var(--primary-bg);
}

.newsletter-input::placeholder {
    color: var(--text-secondary);
}

.newsletter-btn {
    padding: 0.875rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.newsletter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(59, 130, 246, 0.5);
}

/* Footer */
.footer {
    background: var(--secondary-bg);
    border-top: 3px solid var(--accent-blue);
    margin-top: 4rem;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--accent-cyan);
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-cyan);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: var(--accent-cyan);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .content-grid {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 1.5rem;
    }

    .sidebar-section {
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav {
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: center;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .tech-grid {
        grid-template-columns: 1fr;
    }

    .article-item {
        flex-direction: column;
    }

    .article-image {
        width: 100%;
        height: 200px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-overlay {
        padding: 2rem 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .nav {
        gap: 0.75rem;
    }

    .nav-link {
        font-size: 0.85rem;
    }
}