/* Navbar logo alignment */
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo-img { height: 48px; width: auto; display: block; }
.nav-logo a { font-size: 1.6rem; font-weight: 800; letter-spacing: 0.5px; text-decoration: none; line-height: 1; display: inline-block; }

@media (max-width: 640px) {
  .nav-logo-img { height: 36px; }
  .nav-logo a { font-size: 1.4rem; }
}
/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    /* Native smooth scrolling for anchor/programmatic scrolls */
    scroll-behavior: smooth;
    /* Hide scrollbar globally */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge legacy */
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background-color: #000; /* prevents white flash between dark sections */
    /* Keep vertical scroll enabled but hide the scrollbar */
    overflow-y: auto;
    /* Firefox */
    scrollbar-width: none;
    /* IE/Edge (legacy) */
    -ms-overflow-style: none;
    min-height: 100vh; /* Ensure full height coverage */
}

/* Chrome, Safari, Edge */
body::-webkit-scrollbar {
    width: 0;
    height: 0;
    background: transparent;
}

/* Also hide scrollbar on html element for WebKit */
html::-webkit-scrollbar {
    width: 0;
    height: 0;
    background: transparent;
    display: none;
}

/* Navigation Bar Styles */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
    will-change: background, box-shadow;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo a {
    font-size: 1.8rem;
    font-weight: bold;
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-logo a:hover {
    color: #3498db;
}

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

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #3498db;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #3498db;
    transition: width 0.3s ease;
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    margin: 3px 0;
    transition: 0.3s;
}

/* Header Section Styles */
.header {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: #000; /* fallback to prevent white flash */
}

.video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0; /* place above header background */
    background-color: #000; /* ensures dark backdrop while video loads */
}

.background-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block; /* avoid inline gaps */
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1; /* overlay above video */
}

.header-content {
    text-align: center;
    color: white;
    z-index: 2; /* content above overlay */
    max-width: 800px;
    padding: 0 2rem;
}

.header-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease-out;
}

.header-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease-out 0.3s both;
}

/* Join Now Button */
.join-now-btn {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.join-now-btn:hover {
    background: linear-gradient(135deg, #2980b9, #3498db);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

.join-now-btn:active {
    transform: translateY(-1px);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(10px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.4);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        margin: 1rem 0;
    }
    
    .header-title {
        font-size: 2.5rem;
    }
    
    .header-subtitle {
        font-size: 1.1rem;
    }
    
    .join-now-btn {
        padding: 12px 30px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }
    
    .header-title {
        font-size: 2rem;
    }
    
    .header-subtitle {
        font-size: 1rem;
    }
    
    .header-content {
        padding: 0 1rem;
    }
}

/* Efficiency and Reliability Section */
.efficiency-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 0;
    overflow: hidden;
    opacity: 1; /* keep section visible to avoid white screen */
    transform: none;
    transition: all 1s ease-out;
    will-change: transform, opacity;
}

.efficiency-section.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.section-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-color: #000;
}

.section-bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.section-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.section-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: -1;
}

.section-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
    z-index: 1;
}

.section-title {
    font-size: 3rem;
    font-weight: bold;
    color: white;
    margin-bottom: 3rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out 0.2s;
}

.efficiency-section.fade-in .section-title {
    opacity: 1;
    transform: translateY(0);
}

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

.transparent-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(2px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.6s ease-out;
}

.efficiency-section.fade-in .transparent-card {
    opacity: 1;
    transform: translateY(0);
}

.transparent-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.transparent-card:hover::before {
    left: 100%;
}

.transparent-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(15px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.card-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: rgb(255, 255, 255);
    margin-bottom: 1rem;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.7);
}

.card-text {
    color: rgba(252, 252, 252, 0.9);
    line-height: 1.6;
    font-size: 1rem;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.5);
}

/* Animation delays for cards */
.efficiency-section.fade-in .transparent-card:nth-child(1) { transition-delay: 0.4s; }
.efficiency-section.fade-in .transparent-card:nth-child(2) { transition-delay: 0.5s; }
.efficiency-section.fade-in .transparent-card:nth-child(3) { transition-delay: 0.6s; }
.efficiency-section.fade-in .transparent-card:nth-child(4) { transition-delay: 0.7s; }
.efficiency-section.fade-in .transparent-card:nth-child(5) { transition-delay: 0.8s; }
.efficiency-section.fade-in .transparent-card:nth-child(6) { transition-delay: 0.9s; }

/* Responsive Design for Efficiency Section */
@media (max-width: 1024px) {
    .cards-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .efficiency-section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2.5rem;
        margin-bottom: 2rem;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
    }
    
    .transparent-card {
        padding: 1.5rem;
    }
    
    .card-title {
        font-size: 1.3rem;
    }
    
    .card-text {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 2rem;
    }
    
    .transparent-card {
        padding: 1rem;
    }
    
    .card-title {
        font-size: 1.2rem;
    }
    
    .card-text {
        font-size: 0.85rem;
    }
}

/* Efficient Bifacial Power Generation Section */
.bifacial-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 0;
    overflow: hidden;
    opacity: 1; /* keep section visible to avoid white screen */
    transform: none;
    transition: all 1s ease-out;
    will-change: transform, opacity;
}

.bifacial-section.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.bifacial-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-color: #000;
}

.bifacial-bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.bifacial-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.bifacial-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

.bifacial-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    z-index: 1;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 4rem;
}

.bifacial-text {
    flex: 1;
    max-width: 600px;
    text-align: left;
}

.bifacial-gif {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease-out 1s;
}

.bifacial-section.fade-in .bifacial-gif {
    opacity: 1;
    transform: translateX(0);
}

.turbine-gif {
    max-width: 100%;
    max-height: 400px;
    width: auto;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.turbine-gif:hover {
    transform: scale(1.05);
}

.bifacial-title {
    font-size: 3.5rem;
    font-weight: bold;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out 0.2s;
}

.bifacial-section.fade-in .bifacial-title {
    opacity: 1;
    transform: translateX(0);
}

.bifacial-subtitle {
    font-size: 1.5rem;
    color: #3498db;
    margin-bottom: 1.5rem;
    font-weight: 600;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out 0.4s;
}

.bifacial-section.fade-in .bifacial-subtitle {
    opacity: 1;
    transform: translateX(0);
}

.bifacial-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out 0.6s;
}

.bifacial-section.fade-in .bifacial-description {
    opacity: 1;
    transform: translateX(0);
}

.download-section {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out 0.8s;
}

.bifacial-section.fade-in .download-section {
    opacity: 1;
    transform: translateX(0);
}

.download-pdf-btn {
    background: none;
    color: white;
    border: none;
    padding: 0;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 2px;
    text-decoration-color: #3498db;
}

.download-pdf-btn:hover {
    color: #3498db;
    text-decoration-color: white;
    transform: translateY(-2px);
}

.download-pdf-btn:active {
    transform: translateY(0);
}

/* Responsive Design for Bifacial Section */
@media (max-width: 1024px) {
    .bifacial-content {
        gap: 2rem;
    }
    
    .turbine-gif {
        max-height: 300px;
    }
}

@media (max-width: 768px) {
    .bifacial-section {
        padding: 80px 0;
    }
    
    .bifacial-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .bifacial-text {
        max-width: 100%;
        text-align: center;
    }
    
    .bifacial-title {
        font-size: 2.5rem;
    }
    
    .bifacial-subtitle {
        font-size: 1.3rem;
    }
    
    .bifacial-description {
        font-size: 1rem;
    }
    
    .bifacial-title,
    .bifacial-subtitle,
    .bifacial-description,
    .download-section {
        transform: translateY(30px);
    }
    
    .bifacial-section.fade-in .bifacial-title,
    .bifacial-section.fade-in .bifacial-subtitle,
    .bifacial-section.fade-in .bifacial-description,
    .bifacial-section.fade-in .download-section {
        transform: translateY(0);
    }
    
    .bifacial-gif {
        transform: translateY(30px);
    }
    
    .bifacial-section.fade-in .bifacial-gif {
        transform: translateY(0);
    }
    
    .turbine-gif {
        max-height: 250px;
    }
}

@media (max-width: 480px) {
    .bifacial-title {
        font-size: 2rem;
    }
    
    .bifacial-subtitle {
        font-size: 1.2rem;
    }
    
    .bifacial-description {
        font-size: 0.95rem;
    }
    
    .download-pdf-btn {
        padding: 12px 25px;
        font-size: 1rem;
    }
}

/* Excellent Low-Light Performance Section */
.lowlight-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 0;
    overflow: hidden;
    opacity: 1; /* keep section visible to avoid white screen */
    transform: none;
    transition: all 1s ease-out;
    will-change: transform, opacity;
}

.lowlight-section.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.lowlight-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-color: #000;
}

.lowlight-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.lowlight-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

.lowlight-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.lowlight-title {
    font-size: 3rem;
    font-weight: bold;
    color: white;
    margin-bottom: 2rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out 0.2s;
}

.lowlight-section.fade-in .lowlight-title {
    opacity: 1;
    transform: translateY(0);
}

.lowlight-download {
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out 0.4s;
}

.lowlight-section.fade-in .lowlight-download {
    opacity: 1;
    transform: translateY(0);
}

.lowlight-download-btn {
    background: none;
    color: #3498db;
    border: none;
    padding: 0;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 2px;
    text-decoration-color: #3498db;
}

.lowlight-download-btn:hover {
    color: white;
    text-decoration-color: white;
    transform: translateY(-2px);
}

.lowlight-download-btn:active {
    transform: translateY(0);
}

.lowlight-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out 0.6s;
}

.lowlight-section.fade-in .lowlight-description {
    opacity: 1;
    transform: translateY(0);
}

.data-table-image {
    margin-top: 3rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out 0.8s;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lowlight-section.fade-in .data-table-image {
    opacity: 1;
    transform: translateY(0);
}

.data-table-img {
    max-width: 100%;
    max-height: 500px;
    width: auto;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
}

.data-table-img:hover {
    transform: scale(1.02);
}


/* Responsive Design for Low-Light Section */
@media (max-width: 768px) {
    .lowlight-section {
        padding: 80px 0;
    }
    
    .lowlight-title {
        font-size: 2.5rem;
    }
    
    .lowlight-description {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .data-table-image {
        margin-top: 2rem;
    }
    
    .data-table-img {
        max-height: 300px;
    }
}

@media (max-width: 480px) {
    .lowlight-title {
        font-size: 2rem;
    }
    
    .lowlight-description {
        font-size: 0.95rem;
    }
    
    .data-table-image {
        margin-top: 1.5rem;
    }
    
    .data-table-img {
        max-height: 250px;
    }
}

/* Optimized Temperature Coefficient Section */
.temperature-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 0;
    overflow: hidden;
    opacity: 1; /* keep section visible to avoid white screen */
    transform: none;
    transition: all 1s ease-out;
    will-change: transform, opacity;
}

.temperature-section.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.temperature-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0; /* place above section background */
    background-color: #000;
}

.temperature-bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.temperature-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.temperature-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
    z-index: 2;
}

.temperature-title {
    font-size: 3.5rem;
    font-weight: bold;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out 0.2s;
}

.temperature-section.fade-in .temperature-title {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design for Temperature Section */
@media (max-width: 768px) {
    .temperature-section {
        padding: 80px 0;
    }
    
    .temperature-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .temperature-title {
        font-size: 2rem;
    }
}

/* Visible Power Generation Gains Section */
.power-gains-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 0;
    overflow: hidden;
    opacity: 1; /* keep section visible to avoid white screen */
    transform: none;
    transition: all 1s ease-out;
    will-change: transform, opacity;
}

.power-gains-section.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.power-gains-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-color: #000;
}

.power-gains-bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.power-gains-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.power-gains-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

.power-gains-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.power-gains-title {
    font-size: 3rem;
    font-weight: bold;
    color: white;
    text-align: center;
    margin-bottom: 5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out 0.2s;
}

.power-gains-section.fade-in .power-gains-title {
    opacity: 1;
    transform: translateY(0);
}

.power-gains-layout {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.power-gains-text {
    flex: 1;
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out 0.4s;
}

.power-gains-section.fade-in .power-gains-text {
    opacity: 1;
    transform: translateX(0);
}

.power-gains-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.5);
    margin-bottom: 2rem;
}

.stations-info {
    margin-top: 2rem;
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out 0.8s;
}

.power-gains-section.fade-in .stations-info {
    opacity: 1;
    transform: translateX(0);
}

.station-line {
    margin-bottom: 1.5rem;
    position: relative;
}

.station-line::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
    transform: translateY(-50%);
    z-index: 1;
}

.station-indicator {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    z-index: 2;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    backdrop-filter: blur(5px);
    width: fit-content;
}

.indicator-circle {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.indicator-circle.completed {
    background: linear-gradient(135deg, #27ae60, #2ecc71);
    box-shadow: 0 0 15px rgba(39, 174, 96, 0.5);
}

.indicator-circle.in-progress {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    box-shadow: 0 0 15px rgba(243, 156, 18, 0.5);
}

.station-text {
    color: white;
    font-size: 1rem;
    font-weight: 600;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.storage-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    margin-top: 2rem;
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out 1s;
}

.power-gains-section.fade-in .storage-description {
    opacity: 1;
    transform: translateX(0);
}

.power-gains-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease-out 0.6s;
}

.power-gains-section.fade-in .power-gains-image {
    opacity: 1;
    transform: translateX(0);
}

.gains-img {
    max-width: 100%;
    max-height: 400px;
    width: auto;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
}

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

/* Responsive Design for Power Gains Section */
@media (max-width: 1024px) {
    .power-gains-layout {
        gap: 2rem;
    }
    
    .gains-img {
        max-height: 300px;
    }
}

@media (max-width: 768px) {
    .power-gains-section {
        padding: 80px 0;
    }
    
    .power-gains-title {
        font-size: 2.5rem;
        margin-bottom: 3rem;
    }
    
    .power-gains-layout {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .power-gains-text {
        transform: translateY(30px);
    }
    
    .power-gains-section.fade-in .power-gains-text {
        transform: translateY(0);
    }
    
    .power-gains-image {
        transform: translateY(30px);
    }
    
    .power-gains-section.fade-in .power-gains-image {
        transform: translateY(0);
    }
    
    .power-gains-description {
        font-size: 1.1rem;
    }
    
    .gains-img {
        max-height: 250px;
    }
    
    .station-text {
        font-size: 0.9rem;
    }
    
    .station-indicator {
        padding: 0.4rem 0.8rem;
    }
    
    .indicator-circle {
        width: 10px;
        height: 10px;
    }
    
    .storage-description {
        font-size: 1rem;
        margin-top: 1.5rem;
    }
}

@media (max-width: 480px) {
    .power-gains-title {
        font-size: 2rem;
        margin-bottom: 2.5rem;
    }
    
    .power-gains-description {
        font-size: 1rem;
    }
    
    .gains-img {
        max-height: 200px;
    }
    
    .station-text {
        font-size: 0.85rem;
    }
    
    .station-indicator {
        padding: 0.3rem 0.6rem;
    }
    
    .indicator-circle {
        width: 8px;
        height: 8px;
    }
    
    .storage-description {
        font-size: 0.95rem;
        margin-top: 1.2rem;
    }
}

/* Global Reach, Immediate Delivery Section */
.global-reach-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 0;
    overflow: hidden;
    opacity: 1; /* keep section visible to avoid white screen */
    transform: none;
    transition: all 1s ease-out;
    will-change: transform, opacity;
}

.global-reach-section.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.global-reach-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-color: #000;
}

.global-reach-bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    background-color: #000; /* Fallback background color */
}

.global-reach-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.global-reach-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

.global-reach-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
    z-index: 1;
}

.global-reach-title {
    font-size: 3.5rem;
    font-weight: bold;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out 0.2s;
}

.global-reach-section.fade-in .global-reach-title {
    opacity: 1;
    transform: translateY(0);
}

/* Timeline Styles */
.timeline-container {
    margin-top: 4rem;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    width: 100%;
    padding: 0 2rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out 0.4s;
}

.timeline-container.initial-animation .timeline-line {
    animation: drawLine 2s ease-out 0.5s forwards;
}

.timeline-container.initial-animation .timeline-milestone:nth-child(2) .milestone-dot {
    animation: popIn 0.6s ease-out 0.8s forwards;
}

.timeline-container.initial-animation .timeline-milestone:nth-child(3) .milestone-dot {
    animation: popIn 0.6s ease-out 1.4s forwards;
}

.timeline-container.initial-animation .timeline-milestone:nth-child(4) .milestone-dot {
    animation: popIn 0.6s ease-out 2.0s forwards;
}

.timeline-container.initial-animation .timeline-milestone:nth-child(2) .milestone-content {
    animation: slideUpFade 0.8s ease-out 1.0s forwards;
}

.timeline-container.initial-animation .timeline-milestone:nth-child(3) .milestone-content {
    animation: slideUpFade 0.8s ease-out 1.6s forwards;
}

.timeline-container.initial-animation .timeline-milestone:nth-child(4) .milestone-content {
    animation: slideUpFade 0.8s ease-out 2.2s forwards;
}

/* Text reveal animation that follows the line */
.timeline-container.initial-animation .milestone-title {
    animation: textReveal 0.6s ease-out forwards;
}

.timeline-container.initial-animation .milestone-description {
    animation: textReveal 0.8s ease-out forwards;
}

.timeline-container.initial-animation .timeline-milestone:nth-child(2) .milestone-title {
    animation-delay: 1.0s;
}

.timeline-container.initial-animation .timeline-milestone:nth-child(2) .milestone-description {
    animation-delay: 1.2s;
}

.timeline-container.initial-animation .timeline-milestone:nth-child(3) .milestone-title {
    animation-delay: 1.6s;
}

.timeline-container.initial-animation .timeline-milestone:nth-child(3) .milestone-description {
    animation-delay: 1.8s;
}

.timeline-container.initial-animation .timeline-milestone:nth-child(4) .milestone-title {
    animation-delay: 2.2s;
}

.timeline-container.initial-animation .timeline-milestone:nth-child(4) .milestone-description {
    animation-delay: 2.4s;
}

.global-reach-section.fade-in .timeline-container {
    opacity: 1;
    transform: translateY(0);
}

.timeline-line {
    position: absolute;
    top: 20px;
    left: -2rem;
    right: -2rem;
    height: 3px;
    background: transparent;
    border-radius: 2px;
    z-index: 1;
    width: 0;
    transition: width 2s ease-out;
}

.timeline-container.initial-animation .timeline-line {
    width: 0;
}

.timeline-milestone {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    z-index: 2;
}

.milestone-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: none;
    background: transparent;
    transition: all 0.5s ease;
    position: relative;
    z-index: 3;
    cursor: pointer;
    opacity: 0;
    transform: scale(0);
}

.timeline-container.initial-animation .milestone-dot {
    opacity: 1;
    transform: scale(1);
}

.milestone-dot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background: transparent;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.milestone-dot.active {
    background: transparent;
    border: none;
    box-shadow: none;
    animation: none;
}

.milestone-dot.active::before {
    opacity: 0;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 20px rgba(52, 152, 219, 0.6), 0 0 40px rgba(52, 152, 219, 0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(52, 152, 219, 0.8), 0 0 60px rgba(52, 152, 219, 0.5);
    }
    100% {
        box-shadow: 0 0 20px rgba(52, 152, 219, 0.6), 0 0 40px rgba(52, 152, 219, 0.3);
    }
}

@keyframes drawLine {
    0% {
        width: 0;
    }
    100% {
        width: 100%;
    }
}

@keyframes popIn {
    0% {
        opacity: 0;
        transform: scale(0);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideUpFade {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes textReveal {
    0% {
        opacity: 0;
        transform: translateX(-30px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

.milestone-content {
    margin-top: 2rem;
    text-align: center;
    width: 280px;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}


.milestone-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.milestone-title {
    font-size: 1.3rem;
    font-weight: bold;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
    text-align: center;
    width: 100%;
    flex-shrink: 0;
}

.milestone-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
    text-align: center;
    width: 100%;
    flex: 1;
}

/* Responsive Design for Global Reach Section */
@media (max-width: 768px) {
    .global-reach-section {
        padding: 80px 0;
        background-color: #000 !important; /* Force black background on mobile */
        min-height: 100vh;
        background: #000; /* Additional background coverage */
    }
    
    .global-reach-background {
        background-color: #000 !important; /* Force black background on mobile */
        background: #000; /* Additional background coverage */
    }
    
    .global-reach-content {
        background-color: transparent;
    }
    
    .timeline-container {
        background-color: transparent;
    }
    
    .timeline-milestone {
        background-color: transparent;
    }
    
    .milestone-content {
        background-color: transparent;
    }
    
    /* Remove all dot visuals on mobile */
    .milestone-dot {
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
    }
    
    .milestone-dot::before {
        background: transparent !important;
        opacity: 0 !important;
    }
    
    .global-reach-title {
        font-size: 2.5rem;
    }
    
    /* Mobile Timeline - Vertical Layout */
    .timeline-container {
        flex-direction: column;
        align-items: center;
        width: 100%;
        padding: 0 2rem;
        margin-top: 3rem;
    }
    
    .timeline-line {
        top: 0;
        left: 50%;
        right: auto;
        width: 3px;
        height: 0;
        background: transparent;
        transform: translateX(-50%);
        transition: height 2s ease-out;
    }
    
    .timeline-container.initial-animation .timeline-line {
        height: 0;
    }
    
    @keyframes drawLineVertical {
        0% {
            height: 0;
        }
        100% {
            height: 100%;
        }
    }
    
    .timeline-container.initial-animation .timeline-line {
        animation: none;
    }
    
    .timeline-milestone {
        flex-direction: row;
        align-items: flex-start;
        margin-bottom: 3rem;
        width: 100%;
    }
    
    .timeline-milestone:nth-child(even) .milestone-content {
        order: -1;
        text-align: right;
        margin-right: 2rem;
        margin-left: 0;
    }
    
    .timeline-milestone:nth-child(odd) .milestone-content {
        text-align: left;
        margin-left: 2rem;
        margin-right: 0;
    }
    
    .milestone-dot {
        margin: 0;
        flex-shrink: 0;
    }
    
    .milestone-content {
        margin-top: 0;
        width: 200px;
        min-height: 100px;
    }
    
    .milestone-title {
        font-size: 1.2rem;
    }
    
    .milestone-description {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .global-reach-section {
        background-color: #000 !important; /* Force black background on small mobile */
        min-height: 100vh;
        background: #000; /* Additional background coverage */
    }
    
    .global-reach-background {
        background-color: #000 !important; /* Force black background on small mobile */
        background: #000; /* Additional background coverage */
    }
    
    .global-reach-content {
        background-color: transparent;
    }
    
    .timeline-container {
        background-color: transparent;
    }
    
    .timeline-milestone {
        background-color: transparent;
    }
    
    .milestone-content {
        background-color: transparent;
    }
    
    /* Remove all dot visuals on small mobile */
    .milestone-dot {
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
    }
    
    .milestone-dot::before {
        background: transparent !important;
        opacity: 0 !important;
    }
    
    .global-reach-title {
        font-size: 2rem;
    }
    
    .timeline-container {
        width: 100%;
        padding: 0 1rem;
        margin-top: 2rem;
    }
    
    .milestone-content {
        width: 150px;
        min-height: 80px;
    }
    
    .milestone-title {
        font-size: 1.1rem;
    }
    
    .milestone-description {
        font-size: 0.85rem;
    }
    
    .timeline-milestone:nth-child(even) .milestone-content {
        margin-right: 1.5rem;
    }
    
    .timeline-milestone:nth-child(odd) .milestone-content {
        margin-left: 1.5rem;
    }
}


/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Footer */
.site-footer {
    background: #000;
    color: #ddd;
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer a { color: #ddd; text-decoration: none; transition: color 0.2s ease; }
.site-footer a:hover { color: #3498db; }

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
}

.footer-brand h3 { color: #fff; margin-bottom: 0.5rem; }
.footer-brand p { color: #aaa; line-height: 1.6; }

.footer-links h4, .footer-contact h4 { color: #fff; margin-bottom: 0.75rem; }
.footer-links ul, .footer-contact ul { list-style: none; }
.footer-links li, .footer-contact li { margin: 0.4rem 0; color: #bbb; }

.footer-bottom {
    max-width: 1200px;
    margin: 20px auto 0;
    padding: 10px 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: #aaa;
    text-align: center;
}

@media (max-width: 900px) {
    .footer-inner {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}