/* Root Variables */
:root {
    --primary-color: #001f54;
    --secondary-color: #0a4d92;
    --accent-color: #ffd700;
    --text-dark: #1a1a1a;
    --text-light: #ffffff;
    --text-gray: #666666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary-color);
}

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

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    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-color);
    transition: var(--transition);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    background-image: 
        linear-gradient(135deg, rgba(0, 31, 84, 0.95) 0%, rgba(10, 77, 146, 0.9) 100%),
        url('https://images.unsplash.com/photo-1521791136064-7986c2920216?w=1920&h=1080&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 120px 0 60px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 31, 84, 0.95) 0%, rgba(10, 77, 146, 0.9) 100%);
}

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

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 4rem;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.hero-features {
    display: flex;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.6s backwards;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 1rem;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--text-dark);
}

.btn-primary:hover {
    background: #ffed4e;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border-color: var(--text-light);
}

.btn-secondary:hover {
    background: var(--text-light);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Section Styles */
section {
    padding: 80px 0;
}

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

.section-header h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-gray);
}

/* Services Section */
.services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: var(--transition);
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: var(--text-light);
}

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

.service-card p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.service-features i {
    color: var(--accent-color);
    font-size: 0.9rem;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    color: var(--primary-color);
}

.lead {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.about-image {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    position: absolute;
    top: 0;
    left: 0;
}

.about-image-placeholder {
    text-align: center;
    color: var(--text-light);
    z-index: 1;
}

.about-image-placeholder i {
    font-size: 6rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
    opacity: 0.9;
}

.about-image-placeholder p {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-light);
    margin: 0;
}

.about-badge {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: var(--accent-color);
    padding: 1.5rem 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.about-badge i {
    font-size: 2rem;
    color: var(--primary-color);
}

.about-badge span {
    font-weight: 600;
    color: var(--text-dark);
}

/* Why Us Section */
.why-us {
    background: var(--bg-light);
}

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

.why-us-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.why-us-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.why-us-card i {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

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

.why-us-card p {
    color: var(--text-gray);
}

/* Clients Section */
.clients {
    background: var(--bg-white);
}

.client-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
    align-items: center;
}

.client-logo-item {
    background: var(--bg-white);
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    border: 2px solid var(--border-color);
}

.client-logo-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.client-logo-item img {
    max-width: 100%;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: var(--transition);
}

.client-logo-item:hover img {
    transform: scale(1.05);
}

.client-list-section {
    margin-top: 60px;
    padding-top: 60px;
    border-top: 2px solid var(--border-color);
}

.client-list-section h3 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 40px;
}

.client-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.client-category {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.client-category h4 {
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
}

.client-category h4 i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.client-list {
    list-style: none;
    padding: 0;
}

.client-list li {
    padding: 10px 0;
    color: var(--text-gray);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    padding-left: 25px;
}

.client-list li:last-child {
    border-bottom: none;
}

.client-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.1rem;
}

.client-list li:hover {
    color: var(--primary-color);
    padding-left: 30px;
}

/* Contact Section */
.contact {
    background: var(--bg-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

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

.contact-info > p {
    color: var(--text-gray);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    min-width: 30px;
}

.contact-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-gray);
    margin-bottom: 0.25rem;
}

.contact-item p a {
    color: var(--text-gray);
    text-decoration: none;
    transition: var(--transition);
}

.contact-item p a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

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

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 1.2rem;
    transition: var(--transition);
}

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

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Poppins', 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-color);
    box-shadow: 0 0 0 3px rgba(0, 31, 84, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    border: none;
    position: relative;
}

.form-message {
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    display: block;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--text-light);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-logo img {
    height: 50px;
    width: auto;
    background: white;
    padding: 8px;
    border-radius: 8px;
    /* White background added for visibility on dark footer */
}

.footer-logo h3 {
    font-size: 1.2rem;
    margin: 0;
}

.footer-section p {
    opacity: 0.9;
    line-height: 1.8;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    opacity: 0.9;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    opacity: 1;
    padding-left: 5px;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
}

.newsletter-form button {
    padding: 12px 20px;
    background: var(--accent-color);
    color: var(--text-dark);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: #ffed4e;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    opacity: 0.9;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
}

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

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: 2rem 0;
    }

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

    .hamburger {
        display: flex;
    }

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

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

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

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

    .about-image {
        order: -1;
        min-height: 400px;
    }

    .about-image img {
        height: 400px;
    }

    .about-image-placeholder i {
        font-size: 4rem;
    }

    .about-image-placeholder p {
        font-size: 1.2rem;
    }

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

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

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

    .client-logos {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
    }

    .client-categories {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .logo span {
        font-size: 0.9rem;
    }

    .logo img {
        height: 40px;
    }

    .hero {
        padding: 100px 0 40px;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-features {
        gap: 1.5rem;
    }

    .feature-item i {
        font-size: 2rem;
    }

    section {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .about-image {
        min-height: 300px;
    }

    .about-image img {
        height: 300px;
    }

    .about-image-placeholder i {
        font-size: 3rem;
    }

    .about-image-placeholder p {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .why-us-grid {
        grid-template-columns: 1fr;
    }

    .client-logos {
        grid-template-columns: 1fr;
    }

    .client-category {
        padding: 20px;
    }

    .client-list-section h3 {
        font-size: 1.5rem;
    }

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