:root {
    /* Color Palette */
    --primary-blue: #0A66C2;
    --primary-blue-dark: #004182;
    --primary-blue-light: #E8F4FD;
    --secondary-blue: #00B4D8;
    
    --white: #FFFFFF;
    --background-light: #F8F9FA;
    --text-main: #2D3748;
    --text-muted: #718096;
    
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-pill: 50px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(10, 102, 194, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(10, 102, 194, 0.15);
}

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

html {
    scroll-behavior: smooth;
    overflow-y: scroll;
}

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

h1, h2, h3, h4 {
    color: var(--primary-blue-dark);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: 12px 28px;
    border-radius: var(--border-radius-pill);
    font-weight: 600;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.btn-secondary {
    display: inline-block;
    background: var(--white);
    color: var(--primary-blue);
    padding: 12px 28px;
    border-radius: var(--border-radius-pill);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 2px solid var(--primary-blue-light);
    text-align: center;
}

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

.w-100 {
    width: 100%;
}

/* Navbar */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.nav-links a:not(.btn-primary) {
    font-weight: 500;
    color: var(--text-main);
    position: relative;
}

.nav-links a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width var(--transition-normal);
}

.nav-links a:not(.btn-primary):hover::after {
    width: 100%;
}

.nav-links a:not(.btn-primary):hover {
    color: var(--primary-blue);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--primary-blue);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 160px 24px 100px;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.hero-image img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

/* Services */
.services {
    padding: 100px 24px;
    background: var(--white);
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.125rem;
}

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

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-blue-light);
    transition: all var(--transition-normal);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-blue);
}

.icon-wrapper {
    width: 64px;
    height: 64px;
    background: var(--primary-blue-light);
    color: var(--primary-blue);
    border-radius: var(--border-radius-pill);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin: 0 auto 24px;
    transition: all var(--transition-normal);
}

.service-card:hover .icon-wrapper {
    background: var(--primary-blue);
    color: var(--white);
}

.service-card h3 {
    margin-bottom: 16px;
    font-size: 1.25rem;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* About Section */
.about {
    padding: 100px 24px;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image img {
    width: 75%;
    margin: 0 auto;
    display: block;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.about-content p {
    color: var(--text-muted);
    font-size: 1.125rem;
    margin-bottom: 30px;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}

.features-list i {
    color: var(--secondary-blue);
    font-size: 1.25rem;
}

/* Contact Section */
.contact {
    padding: 100px 24px;
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--white) 100%);
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.contact-info {
    background: var(--primary-blue-dark);
    color: var(--white);
    padding: 60px 40px;
}

.contact-info h2 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 16px;
}

.contact-info > p {
    color: #A0AEC0;
    margin-bottom: 40px;
}

.info-item {
    display: flex;
    gap: 16px;
    margin-bottom: 30px;
}

.info-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-pill);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--secondary-blue);
}

.info-item h4 {
    color: var(--white);
    margin-bottom: 4px;
}

.info-item p {
    color: #E2E8F0;
    font-size: 0.95rem;
}

.contact-form {
    padding: 60px 40px;
}

.contact-form h3 {
    font-size: 1.75rem;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-main);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #CBD5E0;
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px var(--primary-blue-light);
}

/* Footer */
footer {
    background: #0A192F;
    color: var(--white);
    padding: 80px 24px 24px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand p {
    color: #A0AEC0;
    max-width: 300px;
}

.footer-links h4 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: #A0AEC0;
}

.footer-links a:hover {
    color: var(--secondary-blue);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #A0AEC0;
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.visible {
    opacity: 1;
    transform: translate(0);
}

/* Responsive */
@media (max-width: 992px) {
    .hero, .about {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 120px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features-list {
        text-align: left;
        display: inline-flex;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

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


.footer-brand .logo-img { height: 90px; }