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

:root {
    --primary-blue: #1e3a5f;
    --secondary-blue: #2c5282;
    --light-blue: #4a90e2;
    --dark-blue: #0d1b2a;
    --green: #2e7d32;
    --light-green: #4caf50;
    --gray: #f5f5f5;
    --dark-gray: #333;
    --medium-gray: #666;
    --border-gray: #e0e0e0;
    --white: #ffffff;
    --warning: #ff9800;
    --info: #2196f3;
    --success: #4caf50;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: var(--primary-blue);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px var(--shadow);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 600;
}

.nav-brand i {
    font-size: 1.5rem;
    color: var(--light-green);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 0.5rem 0;
}

.nav-menu a:hover {
    color: var(--light-green);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    height: 600px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    background-image: url('https://sspark.genspark.ai/cfimages?u1=jJsrmyqgwJ3bYIStUNgECjX8b08XyWkcA8gOQAnvvmATSXRPmQzjtSQy7m9ryYC1bQESbHI2vO%2BJDZbkFp9c0CojyHtONEpUmjRy7%2Fe%2F665vKkaCmLtQryf3%2FZLc7CxOig%2FRzVknoqfhQST%2FW06qUu86s3Wv8FJi9ur%2Fkw%3D%3D&u2=dMJkFxk9BFJTox3b&width=2560');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 58, 95, 0.85);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    opacity: 0.95;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

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

.stat-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--light-green);
}

.stat-label {
    font-size: 1.1rem;
    margin-top: 0.5rem;
    opacity: 0.9;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section.bg-gray {
    background: var(--gray);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--green);
    border-radius: 2px;
}

/* Grid Systems */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Info Cards */
.info-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px var(--shadow-hover);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.card-icon.green {
    background: rgba(46, 125, 50, 0.1);
    color: var(--green);
}

.card-icon.blue {
    background: rgba(30, 58, 95, 0.1);
    color: var(--primary-blue);
}

.info-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
}

.info-list {
    list-style: none;
}

.info-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-gray);
}

.info-list li:last-child {
    border-bottom: none;
}

.coordinate-box {
    background: var(--gray);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.coordinate-box p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.btn-map {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-blue);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.3s;
    margin-top: 1rem;
}

.btn-map:hover {
    background: var(--secondary-blue);
}

/* Tech Cards */
.tech-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px var(--shadow);
    text-align: center;
    transition: transform 0.3s;
}

.tech-card:hover {
    transform: translateY(-5px);
}

.tech-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--light-blue), var(--primary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    margin: 0 auto 1.5rem;
}

.tech-card h3 {
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.tech-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 0.5rem;
}

.tech-desc {
    color: var(--medium-gray);
    font-size: 0.95rem;
}

/* Data Grid */
.data-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.data-section {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px var(--shadow);
}

.data-section h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table tr {
    border-bottom: 1px solid var(--border-gray);
}

.data-table tr:last-child {
    border-bottom: none;
}

.data-table td {
    padding: 1rem 0;
}

.data-table td:first-child {
    color: var(--medium-gray);
}

.data-table td:last-child {
    text-align: right;
}

/* CER Badge */
.cer-badge {
    background: linear-gradient(135deg, var(--green), var(--light-green));
    color: var(--white);
    padding: 1.5rem 2rem;
    border-radius: 12px;
    margin-top: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.2rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(46, 125, 50, 0.3);
}

.cer-badge i {
    font-size: 2rem;
}

/* Connection Cards */
.connection-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px var(--shadow);
}

.connection-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.distance-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.distance-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--gray);
    border-radius: 8px;
}

.distance-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--medium-gray);
    font-weight: 500;
}

.distance-label i {
    color: var(--light-blue);
}

.distance-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-blue);
}

/* Criticality Items */
.criticality-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.criticality-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid;
}

.criticality-item.warning {
    background: rgba(255, 152, 0, 0.1);
    border-color: var(--warning);
}

.criticality-item.info {
    background: rgba(33, 150, 243, 0.1);
    border-color: var(--info);
}

.criticality-item.caution {
    background: rgba(255, 193, 7, 0.1);
    border-color: #ffc107;
}

.criticality-item i {
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.criticality-item.warning i {
    color: var(--warning);
}

.criticality-item.info i {
    color: var(--info);
}

.criticality-item.caution i {
    color: #ffc107;
}

.criticality-item strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-blue);
}

.criticality-item p {
    color: var(--medium-gray);
    font-size: 0.95rem;
    margin: 0;
}

/* Authorization Boxes */
.auth-box {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 15px var(--shadow);
    margin-bottom: 2rem;
    overflow: hidden;
}

.auth-header {
    background: var(--primary-blue);
    color: var(--white);
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.auth-header i {
    font-size: 1.8rem;
}

.auth-header h3 {
    font-size: 1.4rem;
    margin: 0;
}

.auth-content {
    padding: 2rem;
}

.auth-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.auth-badge.success {
    background: rgba(46, 125, 50, 0.1);
    color: var(--green);
}

.auth-badge.info {
    background: rgba(33, 150, 243, 0.1);
    color: var(--info);
}

.auth-badge i {
    font-size: 1.3rem;
}

.auth-description {
    color: var(--medium-gray);
    line-height: 1.8;
}

/* Gallery */
.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--white);
    border: 2px solid var(--border-gray);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--medium-gray);
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.tab-btn.active {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
    aspect-ratio: 4/3;
    background: var(--gray);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white);
    padding: 1rem;
    opacity: 0;
    transition: opacity 0.3s;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* Documentation */
.doc-intro {
    text-align: center;
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    box-shadow: 0 4px 15px var(--shadow);
}

.doc-intro i {
    font-size: 2rem;
    color: var(--primary-blue);
}

.doc-intro p {
    font-size: 1.1rem;
    color: var(--medium-gray);
    margin: 0;
}

.doc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.doc-category {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 15px var(--shadow);
    overflow: hidden;
}

.doc-category-header {
    background: var(--primary-blue);
    color: var(--white);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.doc-category-header i {
    font-size: 1.5rem;
}

.doc-category-header h3 {
    font-size: 1.2rem;
    margin: 0;
}

.doc-list {
    list-style: none;
    padding: 1rem;
}

.doc-list li {
    border-bottom: 1px solid var(--border-gray);
}

.doc-list li:last-child {
    border-bottom: none;
}

.doc-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    text-decoration: none;
    color: inherit;
    transition: background 0.3s;
    border-radius: 8px;
}

.doc-link:hover {
    background: var(--gray);
}

.doc-link > i:first-child {
    font-size: 1.5rem;
    color: #d32f2f;
}

.doc-info {
    flex: 1;
}

.doc-name {
    display: block;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
}

.doc-meta {
    display: block;
    font-size: 0.85rem;
    color: var(--medium-gray);
}

.doc-link > i:last-child {
    color: var(--light-blue);
    font-size: 1.2rem;
}

.doc-placeholder {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    opacity: 0.6;
}

.doc-placeholder > i {
    font-size: 1.5rem;
    color: var(--medium-gray);
}

.doc-footer {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 4px 15px var(--shadow);
}

.doc-footer i {
    color: var(--info);
    font-size: 1.5rem;
}

.doc-footer p {
    color: var(--medium-gray);
    font-size: 0.95rem;
    margin: 0;
}

/* Footer */
.footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.footer-left i {
    font-size: 1.5rem;
    color: var(--light-green);
}

.footer-right {
    text-align: right;
}

.footer-right p {
    margin: 0.25rem 0;
    opacity: 0.9;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s;
}

.lightbox-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: var(--white);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.lightbox-close:hover {
    color: var(--light-green);
}

.lightbox-caption {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    background: rgba(0, 0, 0, 0.7);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-align: center;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Responsive Design */
@media (max-width: 992px) {
    .grid-2,
    .grid-3,
    .data-grid,
    .doc-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        gap: 2rem;
    }

    .stat-value {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--primary-blue);
        width: 100%;
        text-align: center;
        transition: left 0.3s;
        padding: 2rem 0;
        box-shadow: 0 2px 10px var(--shadow);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: block;
    }

    .hero {
        height: 500px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section {
        padding: 3rem 0;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .footer-right {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .stat-value {
        font-size: 2rem;
    }

    .distance-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .gallery-tabs {
        flex-direction: column;
        align-items: stretch;
    }

    .tab-btn {
        width: 100%;
        justify-content: center;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .nav-toggle,
    .footer,
    .gallery-tabs,
    .btn-map {
        display: none;
    }

    .section {
        page-break-inside: avoid;
        padding: 1rem 0;
    }

    .hero {
        height: auto;
        padding: 2rem 0;
    }

    body {
        font-size: 12pt;
    }
}