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

:root {
    /* Brand Colors - From Logo */
    --primary-blue: #2C5F6F;
    --primary-orange: #E67E22;
    --accent-teal: #5A8E9A;
    --dark-bg: #1A1A1A;
    --light-gray: #F5F5F5;
    --white: #FFFFFF;
    --text-dark: #333333;
    --text-light: #666666;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.nav-logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-orange);
    transition: var(--transition);
}

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

.nav-link:hover {
    color: var(--primary-orange);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.language-switcher {
    display: flex;
    gap: 10px;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--white);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

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

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-bg) 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(230, 126, 34, 0.1), transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    max-width: 900px;
    padding: 0 20px;
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 50px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 60px;
    animation: fadeInUp 1s ease 0.4s both;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-orange);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: var(--white);
    font-size: 24px;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-orange), var(--primary-blue));
    margin: 0 auto 20px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* About Section */
.about-section {
    padding: var(--section-padding);
    background: var(--white);
}

.about-content {
    display: grid;
    gap: 60px;
}

.about-text {
    max-width: 900px;
    margin: 0 auto;
}

.lead {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--primary-blue);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 15px;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--light-gray);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.4rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-light);
}

/* Subsidiaries Section */
.subsidiaries-section {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.corporate-structure {
    margin-bottom: 60px;
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.structure-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.structure-level {
    display: flex;
    justify-content: center;
    width: 100%;
}

.company-node {
    padding: 25px 40px;
    border-radius: 10px;
    text-align: center;
    position: relative;
    max-width: 400px;
}

.company-node.parent {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
    color: var(--white);
}

.company-node.subsidiary {
    background: linear-gradient(135deg, var(--primary-orange), #F39C12);
    color: var(--white);
}

.company-node.operation {
    background: linear-gradient(135deg, var(--accent-teal), var(--primary-blue));
    color: var(--white);
}

.company-node h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.company-node p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.structure-connector {
    width: 3px;
    height: 40px;
    background: var(--primary-blue);
    margin: 0;
}

/* Global Expertise Section */
.global-expertise {
    margin-top: 60px;
}

.expertise-content h3 {
    font-size: 2rem;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 20px;
}

.expertise-content .lead {
    font-size: 1.2rem;
    line-height: 1.8;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px;
    color: var(--text-dark);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 50px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.expertise-item {
    background: var(--white);
    padding: 35px 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 2px solid transparent;
}

.expertise-item:hover {
    border-color: var(--primary-orange);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.expertise-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 2rem;
}

.expertise-item h4 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
    text-align: center;
}

.expertise-item p {
    color: var(--text-light);
    line-height: 1.7;
    text-align: center;
    font-size: 1rem;
}

.network-highlight {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
    padding: 40px;
    border-radius: 15px;
    color: var(--white);
}

.network-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.network-item i {
    font-size: 2.5rem;
    color: var(--primary-orange);
    min-width: 50px;
}

.network-item h4 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.network-item p {
    font-size: 1rem;
    opacity: 0.9;
}

/* Sustainability Section */
.sustainability-section {
    padding: var(--section-padding);
    background: var(--light-gray);
}

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

.sustainability-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.sustainability-card:hover {
    border-color: var(--primary-orange);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.sustainability-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: var(--white);
    font-size: 2.5rem;
}

.sustainability-card h3 {
    font-size: 1.4rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.sustainability-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Careers Section */
.careers-section {
    padding: var(--section-padding);
    background: var(--white);
}

.careers-intro {
    max-width: 900px;
    margin: 0 auto 60px;
    text-align: center;
}

.careers-intro p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-dark);
}

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

.benefit-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--light-gray);
    border-radius: 10px;
    transition: var(--transition);
}

.benefit-item:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.benefit-item i {
    font-size: 3rem;
    color: var(--primary-orange);
    margin-bottom: 20px;
}

.benefit-item:hover i {
    color: var(--white);
}

.benefit-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.benefit-item p {
    font-size: 0.95rem;
    opacity: 0.9;
}

.career-areas {
    margin-bottom: 60px;
}

.career-areas h3 {
    font-size: 2rem;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 40px;
}

.career-areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.career-area {
    background: var(--white);
    border: 2px solid var(--light-gray);
    padding: 30px 20px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
}

.career-area:hover {
    border-color: var(--primary-orange);
    transform: translateY(-5px);
}

.career-area i {
    font-size: 2.5rem;
    color: var(--primary-orange);
    margin-bottom: 15px;
}

.career-area h4 {
    font-size: 1.1rem;
    color: var(--primary-blue);
}

.career-cta {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
    border-radius: 15px;
    color: var(--white);
}

.career-cta p {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-orange);
    color: var(--white);
}

.btn-primary:hover {
    background: #D35400;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(230, 126, 34, 0.3);
}

/* Contact Section */
.contact-section {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    background: var(--white);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-orange);
    min-width: 40px;
}

.contact-item h4 {
    color: var(--primary-blue);
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.contact-item p,
.contact-item a {
    color: var(--text-light);
    text-decoration: none;
    line-height: 1.6;
}

.contact-item a:hover {
    color: var(--primary-orange);
}

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.contact-form {
    display: grid;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    display: none;
    text-align: center;
    font-weight: 600;
}

.form-message.success {
    display: block;
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand img {
    height: 60px;
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--primary-orange);
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.footer-column h4 {
    color: var(--primary-orange);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

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

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

.footer-column a:hover {
    color: var(--primary-orange);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: rgba(26, 26, 26, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 30px 0;
        gap: 20px;
    }

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

    .mobile-menu-toggle {
        display: block;
    }

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

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

    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .structure-diagram {
        transform: scale(0.9);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }

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

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

    .about-features,
    .sustainability-grid,
    .career-benefits,
    .career-areas-grid,
    .expertise-grid {
        grid-template-columns: 1fr;
    }

    .contact-form-wrapper {
        padding: 25px;
    }
}