:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #0ea5e9;
    --dark-blue: #0f172a;
    --light-gray: #f8fafc;
    --medium-gray: #64748b;
    --border-gray: #e2e8f0;
    --white: #ffffff;
    --text-dark: #1e293b;
    --text-light: #475569;
    --success-color: #10b981;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Navigation Styles */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.nav-logo svg {
    color: var(--secondary-color);
}

.nav-logo:hover {
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    transition: var(--transition);
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 3px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    color: var(--white);
    z-index: 2;
}

.hero-subtitle {
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.hero-description {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Quicksand', sans-serif;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.hero-visual {
    position: relative;
    z-index: 1;
}

.hero-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.hero-image-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.hero-image-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.hero-image-item svg {
    width: 48px;
    height: 48px;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.hero-image-item h3 {
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.hero-image-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

/* Section Styles */
.section {
    padding: 6rem 2rem;
}

.section-dark {
    background: var(--dark-blue);
    color: var(--white);
}

.section-light {
    background: var(--light-gray);
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-dark .section-title {
    color: var(--white);
}

.section-description {
    font-size: 1.15rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

.section-dark .section-description {
    color: rgba(255, 255, 255, 0.8);
}

/* Grid Layouts */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

/* Card Styles */
.card {
    background: var(--white);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 1px solid var(--border-gray);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.card-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.card-icon svg {
    width: 32px;
    height: 32px;
    color: var(--white);
}

.card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.card p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.card-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.card-link:hover {
    gap: 0.75rem;
    color: var(--accent-color);
}

/* Stats Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.section-dark .stat-number {
    color: var(--accent-color);
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-light);
}

.section-dark .stat-label {
    color: rgba(255, 255, 255, 0.8);
}

/* Testimonials */
.testimonial {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--secondary-color);
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary-color);
}

.testimonial-role {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Contact Form */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    background: var(--primary-color);
    color: var(--white);
    padding: 3rem;
    border-radius: 12px;
}

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

.contact-info p {
    margin-bottom: 2rem;
    opacity: 0.9;
}

.contact-item {
    display: flex;
    align-items: start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--accent-color);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.contact-item-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.contact-item-content p {
    margin: 0;
    opacity: 0.9;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-gray);
    border-radius: 8px;
    font-family: 'Quicksand', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Footer */
.footer {
    background: var(--dark-blue);
    color: var(--white);
    padding: 4rem 2rem 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo svg {
    color: var(--accent-color);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-title {
        font-size: 2.75rem;
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 0;
    }

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

    .nav-link {
        padding: 1rem 0;
        width: 100%;
    }

    .hero {
        min-height: auto;
        height: auto;
        padding: 6rem 0;
    }

    .hero-title {
        font-size: 2.25rem;
    }

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

    .hero-image-grid {
        grid-template-columns: 1fr;
    }

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

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

    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }

    .hero-title {
        font-size: 1.875rem;
    }

    .section {
        padding: 4rem 1rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}