/* ===== Base Styles ===== */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&display=swap');

:root {
    --dark-bg: #0a0e17;
    --dark-bg-alt: #121824;
    --text-light: #ffffff;
    --text-muted: #a0aec0;
    --gold: #ffc547;
    --gold-dark: #e6a818;
    --turquoise: #2dd4bf;
    --turquoise-dark: #14b8a6;
    --emerald: #34d399;
    --blue: #3b82f6;
    --cyan: #22d3ee;
    --amber: #f59e0b;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --blur-strength: 15px;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

section {
    min-height: 100vh;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    padding: 0 20px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(to right, var(--turquoise), var(--blue));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Background Effects */
.background-effects {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.effect-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(var(--blur-strength));
    opacity: 0.2;
}

.effect-1 {
    top: 20%;
    left: 10%;
    width: 300px;
    height: 300px;
    background: linear-gradient(to right, var(--cyan), var(--blue));
    animation: float 20s infinite alternate ease-in-out;
}

.effect-2 {
    bottom: 20%;
    right: 10%;
    width: 400px;
    height: 400px;
    background: linear-gradient(to right, var(--amber), var(--gold));
    animation: float 25s infinite alternate-reverse ease-in-out;
}

.effect-3 {
    top: 0%;
    left: 25%;
    width: 350px;
    height: 350px;
    background: linear-gradient(to right, var(--emerald), var(--cyan));
    animation: float 22s infinite alternate ease-in-out;
}

.effect-4 {
    bottom: 0%;
    right: 25%;
    width: 450px;
    height: 450px;
    background: linear-gradient(to right, var(--blue), var(--turquoise));
    animation: float 24s infinite alternate-reverse ease-in-out;
}

.effect-5 {
    top: 40%;
    left: 60%;
    width: 500px;
    height: 500px;
    background: linear-gradient(to right, var(--emerald), var(--amber));
    animation: float 28s infinite alternate ease-in-out;
}

@keyframes float {
    0% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(30px, -30px);
    }
    100% {
        transform: translate(-30px, 30px);
    }
}

/* Buttons */
.gold-button,
.turquoise-button {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
    border: none;
    cursor: pointer;
    outline: none;
}

.gold-button {
    background-color: var(--gold);
    color: var(--dark-bg);
    box-shadow: 0 5px 20px rgba(255, 197, 71, 0.3);
}

.gold-button:hover {
    background-color: var(--gold-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 197, 71, 0.4);
}

.turquoise-button {
    background-color: var(--turquoise);
    color: var(--dark-bg);
    box-shadow: 0 5px 20px rgba(45, 212, 191, 0.3);
}

.turquoise-button:hover {
    background-color: var(--turquoise-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(45, 212, 191, 0.4);
}

/* ===== First Page - Blank Section ===== */
.blank-section {
    min-height: 100vh;
}

/* ===== Hero Section ===== */
.hero-section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(to bottom right, var(--dark-bg), var(--dark-bg-alt));
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    padding: 0 20px;
}

.hero-title {
    font-size: 5rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: 1px;
    background: linear-gradient(to right, var(--cyan), var(--blue), var(--amber));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    opacity: 0;
    transform: translateY(30px);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 50px;
    opacity: 0;
    transform: translateY(30px);
}

.stat-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 25px 20px;
    width: 150px;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s 1s forwards;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-card:nth-child(1) .stat-number {
    color: var(--cyan);
}

.stat-card:nth-child(2) .stat-number {
    color: var(--amber);
}

.stat-card:nth-child(3) .stat-number {
    color: var(--emerald);
}

.stat-number span {
    font-size: 1.2rem;
    opacity: 0.8;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    opacity: 0;
    animation: fadeIn 1s 2s forwards;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--turquoise);
    border-radius: 15px;
    position: relative;
    display: flex;
    justify-content: center;
}

.mouse-wheel {
    width: 4px;
    height: 8px;
    background-color: var(--turquoise);
    border-radius: 2px;
    margin-top: 10px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(15px);
        opacity: 0;
    }
}

/* ===== Slider Section ===== */
.slider-section {
    position: relative;
    padding: 0;
    height: 100vh;
    background-color: var(--dark-bg);
}

.slide-container {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.slide {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-position: center;
    background-size: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    z-index: 1;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, var(--dark-bg), rgba(10, 14, 23, 0.4), transparent);
}

.slide.active {
    opacity: 1;
    z-index: 2;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 150px;
    transform: translateY(-50%);
    max-width: 500px;
    z-index: 3;
    padding: 20px;
}

.slide-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    transform: translateY(30px);
    opacity: 0;
    animation: fadeInUp 0.8s 0.3s forwards;
}

.slide-location {
    font-size: 1.2rem;
    color: var(--turquoise);
    margin-bottom: 20px;
    font-weight: 500;
    transform: translateY(30px);
    opacity: 0;
    animation: fadeInUp 0.8s 0.5s forwards;
}

.slide-description {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.6;
    transform: translateY(30px);
    opacity: 0;
    animation: fadeInUp 0.8s 0.7s forwards;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.slider-nav:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.prev-slide {
    left: 30px;
}

.next-slide {
    right: 30px;
}

.slide-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background-color: var(--turquoise);
    transform: scale(1.2);
}

/* ===== Technology Section ===== */
.technology-section {
    background: linear-gradient(to bottom, var(--dark-bg), var(--dark-bg-alt));
    padding: 120px 20px;
}

.tech-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.tech-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.tech-card:hover {
    transform: translateY(-10px);
    border-color: var(--turquoise);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.tech-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--turquoise);
    transition: transform 0.3s ease;
}

.tech-card:hover .tech-icon {
    transform: scale(1.1);
}

.tech-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.tech-description {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.tech-stat {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(to right, rgba(45, 212, 191, 0.2), rgba(59, 130, 246, 0.2));
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--turquoise);
    border: 1px solid rgba(45, 212, 191, 0.3);
}

.tech-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 60px auto 0;
    text-align: center;
}

.tech-stat-item {
    opacity: 0;
    transform: translateY(20px);
}

.stat-counter {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
}

.tech-stat-item:nth-child(1) .stat-counter {
    color: var(--amber);
}
.tech-stat-item:nth-child(2) .stat-counter {
    color: var(--emerald);
}
.tech-stat-item:nth-child(3) .stat-counter {
    color: var(--turquoise);
}

.stat-counter::after {
    content: '+';
    font-size: 1.8rem;
    position: absolute;
    bottom: 10px;
    margin-left: 5px;
}

.tech-stat-item:nth-child(2) .stat-counter::after {
    content: '%';
}

/* ===== Impact Section ===== */
.impact-section {
    background: linear-gradient(to bottom, var(--dark-bg-alt), var(--dark-bg));
    padding: 120px 20px;
}

.impact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto 80px;
}

.impact-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.impact-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.impact-card:nth-child(1):hover {
    border-color: var(--emerald);
}
.impact-card:nth-child(2):hover {
    border-color: var(--cyan);
}
.impact-card:nth-child(3):hover {
    border-color: var(--amber);
}
.impact-card:nth-child(4):hover {
    border-color: var(--blue);
}

.impact-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.impact-card:nth-child(1) .impact-icon {
    color: var(--emerald);
}
.impact-card:nth-child(2) .impact-icon {
    color: var(--cyan);
}
.impact-card:nth-child(3) .impact-icon {
    color: var(--amber);
}
.impact-card:nth-child(4) .impact-icon {
    color: var(--blue);
}

.impact-card:hover .impact-icon {
    transform: scale(1.1);
}

.impact-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.impact-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.impact-card:nth-child(1) .impact-number {
    color: var(--emerald);
}
.impact-card:nth-child(2) .impact-number {
    color: var(--cyan);
}
.impact-card:nth-child(3) .impact-number {
    color: var(--amber);
}
.impact-card:nth-child(4) .impact-number {
    color: var(--blue);
}

.impact-unit {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.case-study {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.case-study-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-study-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.case-study-text {
    color: var(--text-muted);
    margin-bottom: 30px;
    line-height: 1.7;
}

.case-study-image {
    height: 100%;
    background-size: cover;
    background-position: center;
}

/* ===== Projects Section ===== */
.projects-section {
    background-color: var(--dark-bg);
    padding: 120px 20px;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto 50px;
}

.project-item {
    height: 300px;
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s ease;
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.4s ease;
}

.project-item:hover .project-overlay {
    transform: translateY(0);
    opacity: 1;
}

.project-item:hover {
    transform: scale(1.03);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.project-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.project-location {
    font-size: 0.9rem;
    color: var(--turquoise);
    margin-bottom: 5px;
}

.project-capacity {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.view-all-container {
    text-align: center;
    margin-top: 40px;
    opacity: 0;
    transform: translateY(30px);
}

/* ===== Innovation Section ===== */
.innovation-section {
    background: linear-gradient(to bottom, var(--dark-bg), var(--dark-bg-alt));
    padding: 120px 20px;
}

.innovation-timeline {
    max-width: 800px;
    margin: 0 auto 80px;
    position: relative;
}

.innovation-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--turquoise), var(--blue));
    z-index: 0;
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: 30px;
    position: relative;
    margin-bottom: 50px;
    width: 50%;
    opacity: 0;
    transform: translateX(-50px);
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-left: 30px;
    padding-right: 0;
    margin-left: 50%;
    transform: translateX(50px);
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 15px;
    right: -9px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--turquoise);
    z-index: 1;
    box-shadow: 0 0 10px var(--turquoise);
}

.timeline-item:nth-child(even)::before {
    right: auto;
    left: -11px;
}

.timeline-date {
    position: absolute;
    top: 12px;
    right: -110px;
    width: 80px;
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--turquoise);
    background-color: var(--dark-bg);
    padding: 5px 10px;
    border-radius: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.timeline-item:nth-child(even) .timeline-date {
    right: auto;
    left: -110px;
}

.timeline-content {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 20px;
    max-width: 350px;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    border-color: var(--turquoise);
}

.timeline-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--turquoise);
}

.timeline-content p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.innovation-showcase {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.innovation-model {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;

    .model-container {
        padding: 20px;
        position: relative;
    }

    .model-placeholder {
        height: 400px;
        border-radius: 15px;
        overflow: hidden;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    }

    .model-placeholder img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .model-controls {
        display: flex;
        justify-content: center;
        gap: 15px;
        margin-top: 15px;
    }

    .model-button {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background-color: var(--glass-bg);
        border: 1px solid var(--glass-border);
        color: var(--text-light);
        display: flex;
        justify-content: center;
        align-items: center;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .model-button:hover {
        background-color: var(--turquoise);
        color: var(--dark-bg);
    }

    .model-description {
        padding: 40px 20px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .model-description h3 {
        font-size: 2rem;
        font-weight: 600;
        margin-bottom: 20px;
    }

    .model-description p {
        color: var(--text-muted);
        line-height: 1.7;
    }
}

/* ===== Sustainability Section ===== */
.sustainability-section {
    background-color: var(--dark-bg-alt);
    padding: 120px 20px;
}

.sustainability-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.sustainability-image {
    height: 500px;
    border-radius: 20px;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: translateX(-30px);
}

.sustainability-text {
    opacity: 0;
    transform: translateX(30px);
}

.sustainability-text h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 15px;
    margin-top: 30px;
    color: var(--turquoise);
}

.sustainability-text h3:first-child {
    margin-top: 0;
}

.sustainability-text p {
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.7;
}

.certification-badges {
    display: flex;
    gap: 20px;
    margin-top: 40px;
}

.badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.badge img {
    width: 80px;
    height: 80px;
    border-radius: 10px;
}

.badge span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ===== Contact Section ===== */
.contact-section {
    background: linear-gradient(to bottom, var(--dark-bg-alt), var(--dark-bg));
    padding: 120px 20px;
}

.contact-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form-container {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 40px;
    opacity: 0;
    transform: translateY(30px);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background-color: var(--dark-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-light);
    font-family: 'Montserrat', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--turquoise);
    outline: none;
    box-shadow: 0 0 0 2px rgba(45, 212, 191, 0.2);
}

.contact-info {
    opacity: 0;
    transform: translateY(30px);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 30px;
}

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

.info-item p {
    color: var(--text-muted);
    line-height: 1.5;
}

.social-media {
    display: flex;
    gap: 15px;
    margin-top: 40px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background-color: var(--gold);
    color: var(--dark-bg);
    transform: translateY(-5px);
}

/* ===== Engineering Section ===== */
.engineering-section {
    background: linear-gradient(to bottom, var(--dark-bg-alt), var(--dark-bg));
    padding: 120px 20px;
}

.engineering-content {
    max-width: 1400px;
    margin: 0 auto;
}

.engineering-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.engineering-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: 40px 30px;
    transition: all 0.5s ease;
    opacity: 0;
    transform: translateY(30px);
}

.engineering-card:hover {
    transform: translateY(-15px);
    border-color: var(--turquoise);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.engineering-icon {
    font-size: 3rem;
    color: var(--turquoise);
    margin-bottom: 25px;
    transition: transform 0.3s ease;
}

.engineering-card:hover .engineering-icon {
    transform: scale(1.2) rotate(5deg);
}

.engineering-card h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-light);
}

.engineering-card p {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 25px;
}

.engineering-specs {
    display: flex;
    gap: 25px;
}

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

.spec-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 5px;
}

.spec-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.engineering-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 50px;
    align-items: center;
}

.showcase-content h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--text-light);
}

.showcase-content p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.showcase-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-light);
    font-weight: 500;
}

.feature-item i {
    color: var(--turquoise);
    font-size: 1.2rem;
}

.showcase-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.turbine-animation {
    position: relative;
    width: 200px;
    height: 200px;
    animation: float 4s ease-in-out infinite;
}

.turbine-blade {
    position: absolute;
    width: 80px;
    height: 20px;
    background: linear-gradient(to right, var(--turquoise), var(--cyan));
    border-radius: 10px;
    transform-origin: right center;
}

.blade-1 {
    top: 50%;
    right: 50%;
    transform: translateY(-50%) rotate(0deg);
    animation: spin 3s linear infinite;
}

.blade-2 {
    top: 50%;
    right: 50%;
    transform: translateY(-50%) rotate(120deg);
    animation: spin 3s linear infinite;
}

.blade-3 {
    top: 50%;
    right: 50%;
    transform: translateY(-50%) rotate(240deg);
    animation: spin 3s linear infinite;
}

.turbine-center {
    position: absolute;
    top: 50%;
    right: 50%;
    transform: translate(50%, -50%);
    width: 30px;
    height: 30px;
    background: radial-gradient(circle, var(--gold), var(--amber));
    border-radius: 50%;
    box-shadow: 0 0 20px var(--gold);
}

@keyframes spin {
    0% { transform: translateY(-50%) rotate(0deg); }
    100% { transform: translateY(-50%) rotate(360deg); }
}

/* ===== Global Operations Section ===== */
.operations-section {
    background: linear-gradient(to bottom, var(--dark-bg), var(--dark-bg-alt));
    padding: 120px 20px;
    position: relative;
}

.effect-6 {
    top: 10%;
    left: 15%;
    width: 400px;
    height: 400px;
    background: linear-gradient(to right, var(--cyan), var(--turquoise));
    animation: float 20s infinite alternate ease-in-out;
}

.effect-7 {
    bottom: 15%;
    right: 20%;
    width: 350px;
    height: 350px;
    background: linear-gradient(to right, var(--amber), var(--gold));
    animation: float 25s infinite alternate-reverse ease-in-out;
}

.operations-map {
    max-width: 1200px;
    margin: 0 auto 80px;
}

.map-container {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 60px;
    position: relative;
    overflow: hidden;
}

.world-map {
    position: relative;
    height: 400px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 500"><path d="M150,200 Q200,150 300,180 Q400,200 500,180 Q600,160 700,180 Q800,200 850,180" stroke="%23334155" stroke-width="2" fill="none" opacity="0.3"/></svg>') center/contain no-repeat;
}

.continent {
    position: absolute;
}

.north-america {
    top: 30%;
    left: 20%;
}

.europe {
    top: 25%;
    left: 50%;
}

.asia {
    top: 30%;
    right: 20%;
}

.south-america {
    bottom: 30%;
    left: 25%;
}

.operation-marker {
    position: relative;
    cursor: pointer;
}

.marker-pulse {
    width: 20px;
    height: 20px;
    background: var(--turquoise);
    border-radius: 50%;
    position: relative;
    animation: pulse-marker 2s infinite;
}

.marker-pulse::before,
.marker-pulse::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--turquoise);
    opacity: 0.6;
    animation: ripple 2s infinite;
}

.marker-pulse::after {
    animation-delay: 1s;
}

@keyframes pulse-marker {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

@keyframes ripple {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(3); opacity: 0; }
}

.marker-info {
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark-bg);
    border: 1px solid var(--turquoise);
    border-radius: 15px;
    padding: 15px 20px;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 10;
}

.operation-marker:hover .marker-info {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-10px);
}

.marker-info h4 {
    color: var(--turquoise);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.marker-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 3px 0;
}

.regional-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.stat-region {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: 40px;
    text-align: center;
    transition: all 0.4s ease;
}

.stat-region:hover {
    transform: translateY(-10px);
    border-color: var(--gold);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.region-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.stat-region h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 25px;
}

.region-numbers {
    display: flex;
    justify-content: space-around;
}

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

.number-item .number {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 5px;
}

.number-item .label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ===== Research Section ===== */
.research-section {
    background-color: var(--dark-bg-alt);
    padding: 120px 20px;
}

.research-labs {
    max-width: 1400px;
    margin: 0 auto;
}

.lab-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 60px;
}

.lab-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    cursor: pointer;
    transition: all 0.4s ease;
    opacity: 0.7;
    transform: scale(0.95);
}

.lab-card.active,
.lab-card:hover {
    opacity: 1;
    transform: scale(1);
    border-color: var(--turquoise);
    box-shadow: 0 15px 30px rgba(45, 212, 191, 0.2);
}

.lab-icon {
    font-size: 2.5rem;
    color: var(--turquoise);
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.lab-card:hover .lab-icon {
    transform: scale(1.1);
}

.lab-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 15px;
}

.lab-card p {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 0.95rem;
}

.lab-details {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: 50px;
    position: relative;
    min-height: 400px;
}

.lab-content {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.lab-content.active {
    display: block;
    opacity: 1;
}

.lab-content h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 30px;
}

.research-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 30px;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.lab-content p {
    color: var(--text-muted);
    line-height: 1.8;
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.research-achievements {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.achievement {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-light);
    font-weight: 500;
}

.achievement i {
    color: var(--gold);
    font-size: 1.2rem;
}

/* ===== Testimonials Section ===== */
.testimonials-section {
    background: linear-gradient(to bottom, var(--dark-bg), var(--dark-bg-alt));
    padding: 120px 20px;
}

.testimonials-carousel {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.testimonial-track {
    overflow: hidden;
    border-radius: 25px;
}

.testimonial-slide {
    display: none;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: 50px;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.testimonial-slide.active {
    display: block;
    opacity: 1;
    transform: translateX(0);
}

.quote-mark {
    font-size: 4rem;
    color: var(--turquoise);
    font-family: serif;
    line-height: 1;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1.3rem;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 40px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 20px;
}

.author-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--turquoise);
}

.author-info h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 5px;
}

.author-info p {
    color: var(--text-muted);
    margin: 2px 0;
}

.testimonial-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 40px;
}

.testimonial-prev,
.testimonial-next {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s ease;
}

.testimonial-prev:hover,
.testimonial-next:hover {
    background: var(--turquoise);
    border-color: var(--turquoise);
    color: var(--dark-bg);
}

.testimonial-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--glass-border);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--turquoise);
    transform: scale(1.2);
}

/* ===== Animations ===== */
.reveal-text {
    transition: all 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

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

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

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

/* ===== Responsive Styles ===== */
@media screen and (max-width: 1200px) {
    .hero-title {
        font-size: 4rem;
    }

    .slide-content {
        left: 80px;
    }

    .slide-title {
        font-size: 3rem;
    }
}

@media screen and (max-width: 992px) {
    .stat-cards {
        flex-wrap: wrap;
        justify-content: center;
    }

    .innovation-model {
        grid-template-columns: 1fr;
    }

    .sustainability-content,
    .contact-container {
        grid-template-columns: 1fr;
    }

    .case-study {
        grid-template-columns: 1fr;
    }

    .case-study-image {
        height: 300px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {
    .section-title {
        font-size: 2.2rem;
    }

    .hero-title {
        font-size: 3rem;
    }

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

    .slide-content {
        left: 40px;
        max-width: 350px;
    }

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

    .innovation-timeline::before {
        left: 30px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 60px;
        padding-right: 0;
        justify-content: flex-start;
    }

    .timeline-item:nth-child(even) {
        margin-left: 0;
        padding-left: 60px;
    }

    .timeline-item::before,
    .timeline-item:nth-child(even)::before {
        left: 20px;
        right: auto;
    }

    .timeline-date,
    .timeline-item:nth-child(even) .timeline-date {
        left: 70px;
        right: auto;
        top: -30px;
    }

    .contact-form {
        grid-template-columns: 1fr;
    }

    .form-group.full-width {
        grid-column: span 1;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media screen and (max-width: 576px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .slide-content {
        left: 20px;
        max-width: 280px;
    }

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

    .slider-nav {
        width: 40px;
        height: 40px;
    }

    .prev-slide {
        left: 10px;
    }

    .next-slide {
        right: 10px;
    }

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

/*=============== GOOGLE FONTS ===============*/
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap");
/*=============== VARIABLES CSS ===============*/
:root {
  --header-height: 3.5rem;
  /*========== Colors ==========*/
  /*Color mode HSL(hue, saturation, lightness)*/
   --first-color: hsl(220, 68%, 54%);
  --first-color-lighten: hsl(240, 3%, 6%);
  --title-color: hsl(220, 13%, 95%);
  --text-color: hsl(240, 45%, 98%);
  --body-color: #0b0f19;
  
  /*========== Font and typography ==========*/
  /*.5rem = 8px | 1rem = 16px ...*/
  --body-font: "Poppins", sans-serif;
  --normal-font-size: .938rem;
  --small-font-size: .813rem;
  --smaller-font-size: .75rem;
  /*========== Font weight ==========*/
  --font-medium: 500;
  --font-semi-bold: 600;
  /*========== z index ==========*/
  --z-tooltip: 10;
  --z-fixed: 100;
}
@media screen and (min-width: 1024px) {
  :root {
    --normal-font-size: 1rem;
    --small-font-size: .875rem;
    --smaller-font-size: .813rem;
  }
}

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

body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background-color: var(--body-color);
  color: var(--text-color);
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
  max-width: 1120px;
  margin-inline: 1.5rem;
}

/*=============== HEADER ===============*/
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  box-shadow: 0 2px 8px hsla(220, 68%, 12%, 0.1);
  background-color: var(--body-color);
  z-index: var(--z-fixed);
}

/*=============== NAV ===============*/
.nav {
  height: var(--header-height);
}
.nav__data {
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav__logo {
  display: inline-flex;
  align-items: center;
  column-gap: 0.25rem;
  color: var(--title-color);
  font-weight: var(--font-semi-bold);
  transition: color 0.3s;
}
.nav__logo i {
  font-size: 1.25rem;
}
.nav__logo:hover {
  color: var(--first-color);
}
.nav__toggle {
  position: relative;
  width: 32px;
  height: 32px;
}
.nav__toggle-menu, .nav__toggle-close {
  font-size: 1.25rem;
  color: var(--title-color);
  position: absolute;
  display: grid;
  place-items: center;
  inset: 0;
  cursor: pointer;
  transition: opacity 0.1s, transform 0.4s;
}
.nav__toggle-close {
  opacity: 0;
}
@media screen and (max-width: 1118px) {
  .nav__menu {
    background-color: var(--body-color);
    position: absolute;
    left: 0;
    top: 2.5rem;
    width: 100%;
    height: calc(100vh - 3.5rem);
    overflow: auto;
    padding-block: 1.5rem 4rem;
    pointer-events: none;
    opacity: 0;
    transition: top 0.4s, opacity 0.3s;
  }
  .nav__menu::-webkit-scrollbar {
    width: 0.5rem;
  }
  .nav__menu::-webkit-scrollbar-thumb {
    background-color: hsl(220, 12%, 70%);
  }
}
.nav__link {
  color: var(--title-color);
  font-weight: var(--font-semi-bold);
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s;
}
.nav__link:hover {
  background-color: var(--first-color-lighten);
}

/* Show menu */
.show-menu {
  opacity: 1;
  top: 3.5rem;
  pointer-events: initial;
}

/* Show icon */
.show-icon .nav__toggle-menu {
  opacity: 0;
  transform: rotate(90deg);
}

.show-icon .nav__toggle-close {
  opacity: 1;
  transform: rotate(90deg);
}

/*=============== DROPDOWN ===============*/
.dropdown__button {
  cursor: pointer;
}
.dropdown__arrow {
  font-size: 1.5rem;
  font-weight: initial;
  transition: transform 0.4s;
}
.dropdown__content, .dropdown__group, .dropdown__list {
  display: grid;
}
.dropdown__container {
  background-color: var(--first-color-lighten);
  height: 0;
  overflow: hidden;
  transition: height 0.4s;
}
.dropdown__content {
  row-gap: 1.75rem;
}
.dropdown__group {
  padding-left: 2.5rem;
  row-gap: 0.5rem;
}
.dropdown__group:first-child {
  margin-top: 1.25rem;
}
.dropdown__group:last-child {
  margin-bottom: 1.25rem;
}
.dropdown__icon i {
  font-size: 1.25rem;
  color: var(--first-color);
}
.dropdown__title {
  font-size: var(--small-font-size);
  font-weight: var(--font-semi-bold);
  color: var(--title-color);
}
.dropdown__list {
  row-gap: 0.25rem;
}
.dropdown__link {
  font-size: var(--smaller-font-size);
  font-weight: var(--font-medium);
  color: var(--text-color);
  transition: color 0.3s;
}
.dropdown__link:hover {
  color: var(--title-color);
}

/* Rotate dropdown icon */
.show-dropdown .dropdown__arrow {
  transform: rotate(180deg);
}

/*=============== BREAKPOINTS ===============*/
/* For small devices */
@media screen and (max-width: 300px) {
  .dropdown__group {
    padding-left: 1.5rem;
  }
}
/* For large devices */
@media screen and (min-width: 1118px) {
  /* Nav */
  .nav {
    height: calc(var(--header-height) + 2rem);
    display: flex;
    justify-content: space-between;
  }
  .nav__toggle {
    display: none;
  }
  .nav__list {
    display: flex;
    column-gap: 3rem;
    height: 100%;
  }
  .nav li {
    display: flex;
  }
  .nav__link {
    padding: 0;
  }
  .nav__link:hover {
    background-color: initial;
  }
  /* Dropdown */
  .dropdown__button {
    column-gap: 0.25rem;
    pointer-events: none;
  }
  .dropdown__container {
    height: max-content;
    position: absolute;
    left: 0;
    right: 0;
    top: 6.5rem;
    background-color: var(--body-color);
    box-shadow: 0 6px 8px hsla(220, 68%, 12%, 0.05);
    pointer-events: none;
    opacity: 0;
    transition: top 0.4s, opacity 0.3s;
  }
  .dropdown__content {
    grid-template-columns: repeat(4, max-content);
    column-gap: 6rem;
    max-width: 1120px;
    margin-inline: auto;
  }
  .dropdown__group {
    padding: 4rem 0;
    align-content: baseline;
    row-gap: 1.25rem;
  }
  .dropdown__group:first-child, .dropdown__group:last-child {
    margin: 0;
  }
  .dropdown__list {
    row-gap: 0.75rem;
  }
  .dropdown__icon {
    width: 60px;
    height: 60px;
    background-color: var(--first-color-lighten);
    border-radius: 50%;
    display: grid;
    place-items: center;
    margin-bottom: 1rem;
  }
  .dropdown__icon i {
    font-size: 2rem;
  }
  .dropdown__title {
    font-size: var(--normal-font-size);
  }
  .dropdown__link {
    font-size: var(--small-font-size);
  }
  .dropdown__link:hover {
    color: var(--first-color);
  }
  .dropdown__item {
    cursor: pointer;
  }
  .dropdown__item:hover .dropdown__arrow {
    transform: rotate(180deg);
  }
  .dropdown__item:hover > .dropdown__container {
    top: 5.5rem;
    opacity: 1;
    pointer-events: initial;
    cursor: initial;
  }
}
@media screen and (min-width: 1152px) {
  .container {
    margin-inline: auto;
  }
}

.nav__data>a>img{
    width: 30%;
    padding: 0 30;

}

.container5{
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 100px;
    background-color: #001f7c38;
}