/* Base Styles */
:root {
    /* Primary brand colors */
    --primary-color: #121330; /* Dark blue/navy */
    --secondary-color: #00fee3; /* Teal/cyan */
    
    /* Secondary colors */
    --dark-blue: #0a0b1d;
    --light-blue: #e8e8f0;
    --dark-teal: #00c5af;
    --light-teal: #e6fffc;
    
    /* Neutral colors */
    --dark-gray: #333333;
    --medium-gray: #666666;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    
    /* Other variables */
    --transition: all 0.3s ease;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 4px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--primary-color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    color: var(--secondary-color);
    margin-bottom: 20px;
    line-height: 1.3;
    font-weight: 700;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1.2rem;
}

h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--white);
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--dark-blue);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.placeholder-image {
    background-color: #f0f0f0;
    border: 1px dashed #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    color: #666;
    font-weight: 500;
    text-align: center;
    border-radius: var(--border-radius);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
    background-color: var(--primary-color);
}

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

.section-header h2 {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 1.5px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--white);
    max-width: 700px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
    color: var(--white);
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border-radius: 4px;
    padding: 12px 30px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background-color: var(--dark-teal);
    color: var(--white);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border-radius: 4px;
    padding: 12px 30px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--primary-color) !important; /* Dark blue/navy */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    background-color: var(--primary-color) !important;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

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

.logo a {
    display: inline-block;
}

.logo-img {
    height: 80px;
    width: auto;
}

.flow {
    color: var(--primary-color);
}

.gen {
    color: var(--secondary-color);
}

.nav-menu ul {
    display: flex;
}

.nav-menu ul li {
    margin-left: 30px;
}

.nav-menu ul li a {
    color: var(--white);
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 15px;
    display: block;
}

.nav-menu ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--white);
    transition: var(--transition);
}

.nav-menu ul li a:hover::after,
.nav-menu ul li a.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--white);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding-top: 180px; /* Increased from 140px to 180px to account for the larger logo */
    padding-bottom: 0;
    background: var(--primary-color);
    position: relative;
    overflow: hidden;
    margin-top: 0;
}

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

.hero-content {
    flex: 1;
    max-width: 600px;
    padding-right: 40px;
}

.hero-content h1 {
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-size: 3rem;
    line-height: 1.2;
    font-weight: 700;
    text-shadow: 1px 1px 1px rgba(0,0,0,0.2);
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--white);
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.hero-image {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.image-container {
    position: relative;
    z-index: 2;
    animation: float 4s ease-in-out infinite;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero-stats {
    background-color: rgba(0,254,227,0.1);
    padding: 40px 0;
    margin-top: 80px;
    border-top: 1px solid rgba(0,254,227,0.3);
    border-bottom: 1px solid rgba(0,254,227,0.3);
}

.hero-stats .container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    max-width: 900px;
}

.stat-item {
    text-align: center;
    padding: 0 20px;
    flex: 1;
    min-width: 200px;
}

.stat-item h3 {
    font-size: 2.8rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-weight: 700;
    text-align: center;
}

.stat-item p {
    font-size: 1rem;
    color: var(--white);
    margin-bottom: 0;
    text-align: center;
}

/* About Section */
.about {
    background-color: var(--primary-color);
}

.about-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--white);
}

.about-image {
    flex: 1;
    min-width: 300px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-data-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.about-image:hover .about-data-image {
    transform: scale(1.05);
    cursor: zoom-in;
}

/* Lightbox styles */
.lightbox {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    box-sizing: border-box;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
}

.lightbox-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    padding: 20px;
    box-sizing: border-box;
}

.lightbox-content {
    max-width: 85%;
    max-height: 85vh;
    object-fit: contain;
    border: 2px solid var(--secondary-color);
    border-radius: 5px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 10px;
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

.close-lightbox {
    position: absolute;
    top: 15px;
    right: 25px;
    color: var(--white);
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
    background-color: rgba(0, 0, 0, 0.5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    line-height: 1;
    transition: all 0.2s ease;
}

.close-lightbox:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    transform: rotate(90deg);
}

.close-lightbox:hover,
.close-lightbox:focus {
    color: var(--secondary-color);
    text-decoration: none;
    cursor: pointer;
}

/* Technology Section */
.technology {
    background-color: var(--primary-color);
    padding: 100px 0;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.tech-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 254, 227, 0.1);
}

.tech-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--secondary-color);
}

.tech-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-card h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.tech-card p {
    color: #e0e0e0;
    line-height: 1.6;
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.feature {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid rgba(0, 254, 227, 0.1);
}

.feature h3 {
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-size: 1.5rem;
    position: relative;
    padding-bottom: 10px;
}

.feature h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
}

.feature ul {
    list-style: none;
    padding: 0;
    margin: 20px 0 0 0;
}

.feature ul li {
    color: #e0e0e0;
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
    line-height: 1.5;
}

.feature ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.feature p {
    color: #e0e0e0;
    margin-bottom: 20px;
    line-height: 1.6;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .tech-grid, .tech-features {
        grid-template-columns: 1fr;
    }
    
    .tech-card, .feature {
        padding: 25px 20px;
    }
}
.technology {
    background-color: var(--primary-color);
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.tech-card {
    background-color: rgba(0,254,227,0.05);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    height: 100%;
    border-left: 2px solid var(--secondary-color);
}

.tech-card:hover {
    transform: translateY(-10px);
}

.tech-icon {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.tech-card h3 {
    margin-bottom: 15px;
    color: var(--secondary-color);
    font-weight: 700;
}

.tech-showcase {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
}

.tech-video {
    flex: 1;
    min-width: 300px;
}

.video-placeholder {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background-color: rgba(0, 136, 204, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.play-button i {
    color: var(--white);
    font-size: 2rem;
}

.play-button:hover {
    background-color: var(--primary-color);
}

.tech-specs {
    display: flex;
    flex-direction: row;
    background-color: rgba(0,254,227,0.05);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    height: 100%;
    overflow: hidden;
}

.tech-specs-image {
    flex: 1;
    min-width: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f5f5f5; /* Light background for better contrast */
}

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

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

.tech-specs-content {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tech-specs h3 {
    margin-bottom: 20px;
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 1.8rem;
    position: relative;
    padding-bottom: 10px;
}

.tech-specs h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
}

.tech-specs ul li {
    margin-bottom: 15px;
    position: relative;
    padding-left: 25px;
}

.tech-specs ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Investors Section */
.investors {
    background-color: var(--primary-color);
}

.investor-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.investor-text {
    flex: 1;
    min-width: 300px;
}

.investor-text h3 {
    margin-bottom: 30px;
}

.investor-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.investor-point {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.point-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    min-width: 40px;
    height: 40px;
    background-color: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.point-text h4 {
    margin-bottom: 10px;
}

.investor-cta {
    flex: 1;
    min-width: 300px;
}

.cta-card {
    background-color: var(--light-blue);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.cta-card h3 {
    margin-bottom: 15px;
}

.cta-card p {
    margin-bottom: 30px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input, select, textarea {
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    width: 100%;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* River Power Section */
.river-power {
    /* background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('./images/river-bg.webp'); */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    text-align: center;
}

.river-content {
    max-width: 800px;
    margin: 0 auto;
}

.river-content h2 {
    color: var(--white);
    margin-bottom: 20px;
}

.river-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
}

.river-stats {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.river-stat {
    flex: 1;
    min-width: 200px;
    padding: 20px;
}

.river-stat h3 {
    font-size: 3rem;
    color: #00fee3; /* Teal color */
    margin-bottom: 10px;
}

.river-quote {
    font-style: italic;
    font-size: 1.5rem !important;
    position: relative;
    padding: 0 40px;
}

.river-quote::before, .river-quote::after {
    content: '"';
    font-size: 4rem;
    position: absolute;
    opacity: 0.3;
}

.river-quote::before {
    top: -20px;
    left: 0;
}

.river-quote::after {
    bottom: -40px;
    right: 0;
}

/* Contact Section */
.contact {
    background-color: var(--primary-color);
}

.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    background: var(--primary-color);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    padding: 40px;
}

.contact-info {
    flex: 1;
    min-width: 300px;
    color: var(--white);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    min-width: 50px;
    height: 50px;
    background-color: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
}

.contact-text h3 {
    margin-bottom: 5px;
}

.contact-form {
    flex: 1;
    min-width: 300px;
    background-color: var(--primary-color);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.form-group {
    margin-bottom: 20px;
}

/* Footer */
footer {
    background-color: var(--dark-blue);
    color: var(--white);
    padding: 80px 0 20px;
    border-top: 1px solid rgba(0,254,227,0.3);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo {
    flex: 1;
    min-width: 250px;
    margin-bottom: 30px;
}

.footer-logo a {
    margin-bottom: 15px;
    display: inline-block;
}

.footer-logo-img {
    height: 120px;
    width: auto;
    margin-bottom: 15px;
}

.footer-links {
    flex: 1;
    min-width: 200px;
    margin-bottom: 30px;
}

.footer-links h3 {
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: #ccc;
}

.footer-links ul li a:hover {
    color: var(--white);
}

.footer-social {
    flex: 1;
    min-width: 200px;
    margin-bottom: 30px;
}

.footer-social h3 {
    margin-bottom: 20px;
    color: var(--white);
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 99;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--dark-teal);
    transform: translateY(-5px);
}

/* Prevent scrolling when mobile menu is open */
body.menu-open {
    overflow: hidden;
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .container {
        max-width: 90%;
    }
}

@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .tech-specs {
        flex-direction: column;
    }
    
    .tech-specs-image {
        min-height: 300px;
        min-width: 100%;
    }
    
    .hero-content, .hero-image {
        max-width: 100%;
        padding-right: 0;
    }
    
    .hero-image {
        margin-top: 40px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding-top: 120px;
    }
    
    .tech-specs-content {
        padding: 25px;
    }
    
    .hamburger {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
    }
    
    .nav-menu ul li {
        margin: 0;
    }
    
    .nav-menu ul li a {
        display: block;
        padding: 15px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    section {
        padding: 70px 0;
    }
    
    .hero {
        padding-top: 150px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .stat-item, .river-stat {
        min-width: 150px;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .hero-stats .container, .river-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .stat-item, .river-stat {
        padding: 10px;
    }
}