/* Projects Page Styles */
:root {
    --primary: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --text: #1f2937;
    --text-light: #6b7280;
    --text-muted: #9ca3af;
    --bg: #ffffff;
    --bg-light: #f8fafc;
    --bg-warm: #fff7ed;
    --bg-cool: #eff6ff;
    --border: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
a { text-decoration: none; color: inherit; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 30px;
}

/* Header Navigation */
.header {
    background-color: #fff;
    border-bottom: 1px solid #eaeaea;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    position: relative;
    z-index: 100;
}

.logo img {
    height: 45px;
    width: auto;
    display: block;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-list a {
    font-size: 14px;
    font-weight: 500;
    color: #2c3e50;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.nav-list a:hover {
    color: #c9a227;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background-color: #2c3e50;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    z-index: 999;
    height: auto;
    overflow: hidden;
    transition: height 0.4s ease, opacity 0.3s ease;
    opacity: 0;
    height: 0;
}

.mobile-menu.active {
    height: auto;
    opacity: 1;
}

.mobile-nav-list {
    list-style: none;
    padding: 20px 30px;
}

.mobile-nav-list li {
    border-bottom: 1px solid #eaeaea;
}

.mobile-nav-list a {
    display: block;
    padding: 18px 0;
    font-size: 16px;
    font-weight: 500;
    color: #2c3e50;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease, padding-left 0.3s ease;
}

.mobile-nav-list a:hover {
    color: #c9a227;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 140px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></svg>');
    background-size: 100px 100px;
    opacity: 0.3;
}

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

.hero-tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.hero-content h1 {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
    line-height: 1.7;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.05) 0%, transparent 50%),
                      radial-gradient(circle at 80% 30%, rgba(255,255,255,0.05) 0%, transparent 40%);
    pointer-events: none;
}

/* Section Tag */
.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 15px;
}

/* Intro Section */
.intro-section {
    padding: 100px 0;
    background: white;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.intro-content h2 {
    font-size: 42px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 25px;
    line-height: 1.3;
}

.intro-content p {
    font-size: 16px;
    color: #6b7280;
    line-height: 1.8;
    margin-bottom: 20px;
}

.intro-features {
    margin-top: 30px;
}

.intro-features .feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #e5e7eb;
}

.intro-features .feature-item:last-child {
    border-bottom: none;
}

.feature-check {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 50%;
    color: white;
    font-size: 14px;
    flex-shrink: 0;
    font-weight: bold;
}

.intro-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.intro-image img {
    width: 100%;
    height: auto;
    display: block;
}

.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    padding: 30px 20px 20px;
    font-size: 14px;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 24px;
}

.hero-content h1 {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 20px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Filter Section */
.filter-section {
    background: var(--bg-light);
    padding: 40px 0;
    border-bottom: 1px solid var(--border);
}

.filter-container {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Projects Grid */
.projects-section {
    padding: 80px 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.project-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 16px;
    right: 16px;
}

.project-year {
    background: rgba(30, 64, 175, 0.9);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.project-location {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
    color: #6b7280;
    font-size: 14px;
}

.location-icon {
    font-size: 16px;
}

.project-content {
    padding: 24px;
}

.project-details {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 16px;
    padding: 15px;
    background: #f8fafc;
    border-radius: 8px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-label {
    font-size: 12px;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    font-size: 14px;
    font-weight: 600;
    color: #1f2937;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    display: inline-block;
    padding: 4px 12px;
    background: #e5e7eb;
    color: #4b5563;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

.project-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text);
}

.project-content p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.6;
}

.project-meta {
    display: flex;
    gap: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
}

.meta-icon {
    width: 16px;
    height: 16px;
}

/* Pagination */
.pagination-section {
    padding: 40px 0 80px;
    background: var(--bg-light);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.page-numbers {
    display: flex;
    gap: 6px;
}

.page-btn,
.page-number {
    min-width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    cursor: pointer;
    transition: all 0.3s;
}

.page-btn:hover,
.page-number:hover,
.page-btn.active,
.page-number.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.page-btn.prev,
.page-btn.next {
    padding: 0 20px;
    gap: 6px;
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-btn span {
    font-size: 18px;
    line-height: 1;
}

/* Stats Section */
.stats-section {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 80px 0;
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 30px 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fbbf24;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

.stat-item h3 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-item p {
    font-size: 16px;
    opacity: 0.9;
}

/* Testimonials */
.testimonials-section {
    padding: 80px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text);
}

.section-header p {
    font-size: 18px;
    color: var(--text-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 16px;
    position: relative;
}

.quote-icon {
    font-size: 60px;
    color: var(--primary-light);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 20px;
}

.testimonial-card p {
    font-size: 16px;
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: 600;
}

.author-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.author-info span {
    font-size: 14px;
    color: var(--text-muted);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 100px 0;
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.btn-primary {
    padding: 16px 32px;
    background: var(--accent);
    color: white;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-2px);
}

.btn-secondary {
    padding: 16px 32px;
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

/* Vision Section */
.vision-section {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.vision-section h3 {
    font-size: 14px;
    color: #1565c0;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 25px;
    font-weight: 600;
}

.vision-section p {
    font-size: 18px;
    line-height: 1.9;
    color: #1f2937;
    font-weight: 400;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 50%, #90caf9 100%);
    color: #000;
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1565c0;
}

.footer-brand p {
    font-size: 15px;
    opacity: 0.8;
    line-height: 1.7;
    color: #1f2937;
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #1565c0;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    color: #1f2937;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
    color: #1565c0;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(21, 101, 192, 0.2);
    text-align: center;
    font-size: 14px;
    color: #1f2937;
}

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

@media (max-width: 768px) {
    .header-container {
        flex-direction: row;
        height: 70px;
        padding: 0 20px;
    }

    .logo {
        margin-bottom: 0;
    }

    .nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .mobile-menu {
        display: block;
        top: 70px;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .stat-item h3 {
        font-size: 36px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 32px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .stat-card {
        padding: 20px 15px;
    }
    
    .stat-icon {
        font-size: 32px;
        margin-bottom: 10px;
    }
    
    .stat-number {
        font-size: 36px;
        margin-bottom: 5px;
    }
    
    .stat-label {
        font-size: 14px;
    }
    
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .intro-content h2 {
        font-size: 28px;
    }
    
    .intro-image {
        order: -1;
    }
    
    .filter-tabs {
        flex-wrap: wrap;
    }
    
    .project-details {
        flex-direction: column;
    }
}