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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: #1a5490;
    font-size: 2.5rem;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    background-color: #1a5490;
    color: white;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav {
    padding: 1rem 0;
}

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

.logo h1 {
    margin: 0;
    font-size: 1.8rem;
    color: white;
}

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

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
}

.nav-menu a:hover {
    color: #87ceeb;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    background: linear-gradient(135deg, rgba(26, 84, 144, 0.8) 0%, rgba(45, 139, 184, 0.8) 100%),
                url('../images/hero.jpg') center center / cover;
    color: white;
    padding: 8rem 2rem;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    opacity: 0.95;
    animation: fadeInUp 1s ease;
}

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

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: 5rem 2rem;
    background-color: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: #f8f9fa;
    padding: 0;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.service-card h3 {
    color: #1a5490;
    margin-bottom: 1rem;
    padding: 1.5rem 2rem 0 2rem;
}

.service-card p {
    color: #666;
    line-height: 1.6;
    padding: 0 2rem 2rem 2rem;
}

/* ============================================
   About Section
   ============================================ */
.about {
    padding: 5rem 2rem;
    background-color: #f8f9fa;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-content p {
    margin-bottom: 1.5rem;
    color: #555;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: 5rem 2rem;
    background-color: white;
}

.contact-intro {
    text-align: center;
    font-size: 1.2rem;
    color: #555;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

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

.contact-item h3 {
    color: #1a5490;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.contact-item p {
    color: #555;
    line-height: 1.8;
}

.contact-item a {
    color: #1a5490;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #2d8bb8;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: #1a5490;
    color: white;
    padding: 2rem;
    text-align: center;
}

.footer p {
    margin: 0;
    opacity: 0.9;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .nav .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

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

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

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

@media (max-width: 480px) {
    .hero {
        padding: 4rem 1rem;
    }

    .services,
    .about,
    .contact {
        padding: 3rem 1rem;
    }

    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.2rem; }
}