/**
 * Critical CSS - Above-the-fold content only
 * Optimized for First Contentful Paint (FCP)
 * Inlined in <head> for immediate rendering
 */

:root {
    --primary: #1E3A5F;
    --secondary: #2C5F8B;
    --accent: #00A8CC;
    --light: #F8F9FA;
    --dark: #1A1A2E;
    --text: #333333;
    --transition: all 0.3s ease-in-out;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(30, 58, 95, 0.95);
    padding: 1rem 5%;
    z-index: 1000;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

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

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
}

/* Hero Section - Critical for FCP */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 5%;
    position: relative;
}

.hero-content {
    text-align: center;
    color: white;
    max-width: 900px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

/* Sections */
section {
    padding: 6rem 5%;
}

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

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

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

.service-card p {
    color: #666;
    text-align: center;
}

/* About Section */
.about {
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

.about-text h3 {
    font-size: 2.25rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

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

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--light);
    border-radius: 8px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Contact Form */
.contact {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
}

.contact .section-title h2 {
    color: white;
}

.contact .section-title p {
    color: rgba(255,255,255,0.8);
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

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

.form-group label {
    display: block;
    color: var(--text);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 168, 204, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--secondary);
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 3rem 5%;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-logo {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

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

.animate-on-scroll {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease;
}

/* Touch targets */
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

/* Responsive - Mobile first adjustments */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.5rem;
    }
}