/* Root Variables */
:root {
    --primary-color: #1a5276;
    --secondary-color: #2e86c1;
    --accent-color: #f39c12;
    --success-color: #27ae60;
    --warning-color: #e67e22;
    --danger-color: #e74c3c;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --white: #ffffff;
    --black: #000000;
    
    --gradient-primary: linear-gradient(135deg, #1a5276 0%, #2e86c1 100%);
    --gradient-accent: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    --gradient-overlay: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5));
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    --border-radius: 12px;
    --border-radius-sm: 6px;
    --border-radius-lg: 20px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;
    
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f8f9fa;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    text-align: center;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 82, 118, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo h1 {
    color: var(--white);
    font-size: 1.8rem;
    margin: 0;
}

.nav-logo .accent {
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
}

.nav-menu li {
    margin-left: 2rem;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    width: 100%;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

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

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-family: var(--font-primary);
}

.stat-label {
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.9;
}

.hero-actions {
    margin-top: 3rem;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-actions .btn {
    margin: 0 1rem;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Challenges Section */
.challenges-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.challenge-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.challenge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.challenge-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.challenge-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.challenge-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.challenge-card p {
    color: #666;
    margin-bottom: 1.5rem;
}

.solution {
    padding: 1rem;
    background: linear-gradient(135deg, #e8f5e8 0%, #f0f8f0 100%);
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--success-color);
}

.solution strong {
    color: var(--success-color);
}

/* Phases Section */
.phases-section {
    background: var(--white);
}

.phases-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.phase-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

.phase-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.phase-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.phase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.phase-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.phase-card:hover .phase-overlay {
    opacity: 1;
}

.explore-btn {
    background: var(--gradient-accent);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.explore-btn:hover {
    transform: scale(1.05);
}

.phase-content {
    padding: 2rem;
}

.phase-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.phase-header h3 {
    color: var(--primary-color);
    margin: 0;
}

.phase-timeline-badge {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.phase-stats {
    display: flex;
    justify-content: space-between;
    margin: 1.5rem 0;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: var(--border-radius-sm);
}

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

.phase-stat .stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-primary);
}

.phase-stat .stat-unit {
    font-size: 0.9rem;
    color: #666;
}

.phase-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.feature-tag {
    background: var(--gradient-accent);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Map Section */
.map-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.map-controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.map-control-btn {
    padding: 0.8rem 1.5rem;
    background: var(--white);
    border: 2px solid #ddd;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    color: var(--dark-color);
}

.map-control-btn:hover,
.map-control-btn.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.map-container {
    position: relative;
    height: 600px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: 2rem;
}

#projectMap {
    width: 100%;
    height: 100%;
}

.map-legend {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-md);
}

.legend-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    margin-right: 0.8rem;
}

.legend-color.phase-1 { background: #27ae60; }
.legend-color.phase-2 { background: #3498db; }
.legend-color.phase-3 { background: #e74c3c; }
.legend-color.phase-4 { background: #f39c12; }

.google-earth-integration {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.google-earth-integration h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.flyover-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.flyover-btn {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.flyover-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* Calculators Section */
.calculators-section {
    background: var(--white);
}

.calculators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.calculator-card {
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.calculator-card h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.input-group {
    margin-bottom: 2rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 600;
    color: var(--dark-color);
}

.slider {
    margin: 1rem 0;
}

.slider-value {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-weight: 600;
    font-size: 0.9rem;
}

.calculator-results {
    border-top: 2px solid #f0f0f0;
    padding-top: 1.5rem;
    margin-top: 1.5rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem;
    margin-bottom: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.result-item:hover {
    background: #f8f9fa;
}

.result-value {
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-primary);
}

/* Impact Section */
.impact-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.impact-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.impact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
}

.impact-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.impact-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.impact-card h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.impact-stats {
    display: flex;
    justify-content: space-around;
    margin: 1.5rem 0;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: var(--border-radius-sm);
}

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

.impact-stat .stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-color);
    font-family: var(--font-primary);
}

.impact-stat .stat-label {
    font-size: 0.9rem;
    color: #666;
}

/* Get Involved Section */
.get-involved-section {
    background: var(--gradient-primary);
    color: var(--white);
}

.get-involved-section .section-header h2 {
    color: var(--white);
}

.get-involved-section .section-header p {
    color: rgba(255, 255, 255, 0.9);
}

.involvement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.involvement-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.involvement-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
}

.involvement-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.involvement-card h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

.involvement-card p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.involvement-card .btn {
    background: var(--gradient-accent);
    color: var(--white);
}

/* Footer */
.main-footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--accent-color);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

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

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.contact-item i {
    margin-right: 1rem;
    color: var(--accent-color);
    width: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 2rem;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

.close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    color: #aaa;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.close:hover {
    color: var(--danger-color);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--primary-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
    }

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

    .nav-menu li {
        margin: 1rem 0;
    }

    .hamburger {
        display: flex;
    }

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

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

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

    .hero-actions .btn {
        display: block;
        margin: 0.5rem auto;
        width: 80%;
        max-width: 300px;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }

    .challenges-grid,
    .phases-timeline,
    .calculators-grid,
    .impact-grid,
    .involvement-grid {
        grid-template-columns: 1fr;
    }

    .phase-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .map-controls {
        flex-direction: column;
        align-items: center;
    }

    .flyover-buttons {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 1.5rem;
    }
}

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

    section {
        padding: 3rem 0;
    }

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

    .hero-stats {
        grid-template-columns: 1fr;
    }

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

    .challenge-card,
    .phase-card,
    .calculator-card,
    .impact-card,
    .involvement-card {
        padding: 1.5rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* Print Styles */
@media print {
    .main-header,
    .hero-actions,
    .map-controls,
    .flyover-buttons,
    .involvement-card .btn {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

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

    .phase-card,
    .calculator-card,
    .impact-card {
        break-inside: avoid;
        margin-bottom: 1rem;
    }
}



/* Leaflet Map Popup Styles */
.map-popup-content {
    min-width: 280px;
    font-family: var(--font-secondary);
}

.popup-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #eee;
}

.popup-icon {
    font-size: 2rem;
    margin-right: 0.8rem;
}

.popup-title h3 {
    margin: 0;
    color: var(--primary-color);
    font-family: var(--font-primary);
    font-size: 1.2rem;
}

.popup-timeline {
    color: #666;
    font-size: 0.9rem;
    margin-top: 0.2rem;
}

.popup-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

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

.popup-stat .stat-value {
    display: block;
    font-weight: bold;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.popup-stat .stat-label {
    font-size: 0.8rem;
    color: #666;
    text-transform: uppercase;
}

.popup-description {
    margin-bottom: 1rem;
}

.popup-description p {
    margin: 0;
    line-height: 1.5;
    color: #555;
}

.popup-coordinates {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #666;
}

.popup-actions {
    display: flex;
    gap: 0.5rem;
}

.popup-btn {
    flex: 1;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
}

.popup-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
}

/* Phase Details Modal */
.phase-details-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 2px solid #eee;
}

.modal-header h2 {
    margin: 0;
    color: var(--primary-color);
    font-family: var(--font-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: #999;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--danger-color);
}

.modal-body {
    padding: 1.5rem;
}

.phase-overview {
    margin-bottom: 2rem;
}

.phase-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.phase-stats-grid .stat-item {
    text-align: center;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: var(--border-radius-sm);
}

.phase-stats-grid .stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.phase-stats-grid .stat-label {
    font-size: 0.9rem;
    color: #666;
    text-transform: uppercase;
}

.phase-features h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-family: var(--font-primary);
}

.phase-features ul {
    list-style: none;
    padding: 0;
}

.phase-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 1.5rem;
}

.phase-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.phase-features li:last-child {
    border-bottom: none;
}

/* Marker Highlighting */
.phase-marker.highlighted {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

/* Responsive adjustments for map popups */
@media (max-width: 768px) {
    .map-popup-content {
        min-width: 250px;
    }
    
    .popup-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
    
    .phase-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
/* Make the hero counters and labels white for better contrast */
.hero-section .stat-number { 
  color: #fff !important;
  text-shadow: 0 2px 6px rgba(0,0,0,.35);
}

.hero-section .stat-label { 
  color: #fff !important;
  opacity: 0.95;
}
/* === Simple Carousel === */
.gallery-section { background: #fff; }

.carousel-viewport {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

.carousel-track {
  display: flex;
  transition: transform 500ms ease;
  will-change: transform;
}

.carousel-slide {
  min-width: 100%;
  aspect-ratio: 16 / 9;
  position: relative;
  background: #000;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  background: rgba(0,0,0,.45);
  color: #fff;
  border: 0;
  width: 44px;
  height: 44px;
  line-height: 44px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 26px;
  transition: var(--transition-fast);
}
.carousel-btn:hover { background: rgba(0,0,0,.65); }
.carousel-btn.prev { left: 12px; }
.carousel-btn.next { right: 12px; }

.carousel-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}
.carousel-dots button {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 0;
  background: rgba(255,255,255,.6);
  cursor: pointer;
}
.carousel-dots button.active { background: #fff; }

@media (max-width: 768px) {
  .carousel-btn { width: 38px; height: 38px; line-height: 38px; font-size: 22px; }
}
/* --- Carousel integration fixes (append at end) --- */

/* Reset UL spacing so slides sit edge-to-edge */
.carousel-track { 
  list-style: none; 
  margin: 0; 
  padding: 0; 
}

/* Give the gallery comfortable section spacing */
.gallery-section { 
  padding: 4rem 0; 
}

/* Ensure arrows sit above images on all stacks */
.carousel-viewport { 
  z-index: 1; 
}

/* Optional: taller slides on phones if 16:9 feels too short */
@media (max-width: 768px) {
  .carousel-slide { aspect-ratio: 4 / 3; }
}