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

:root {
    --primary: #1e3a5f;
    --secondary: #2c5f8d;
    --accent: #3498db;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --white: #ffffff;
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: transparent;
    padding: 20px 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 15px 0;
}

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

.logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    transition: color 0.3s;
}

.navbar.scrolled .logo {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.navbar.scrolled .nav-links a {
    color: var(--dark);
}

.nav-links a:hover {
    color: var(--accent);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

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

.hero h1 {
    font-size: 56px;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.tagline {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--white);
    color: var(--primary);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--light);
}

.services h2 {
    text-align: center;
    font-size: 42px;
    color: var(--primary);
    margin-bottom: 60px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon svg {
    width: 35px;
    height: 35px;
    color: var(--white);
}

.service-card h3 {
    font-size: 22px;
    color: var(--primary);
    margin-bottom: 15px;
}

.service-card p {
    color: var(--dark);
    opacity: 0.8;
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--white);
}

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

.about-text h2 {
    font-size: 42px;
    color: var(--primary);
    margin-bottom: 30px;
}

.about-text p {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--dark);
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    color: var(--dark);
    opacity: 0.7;
}

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

.contact h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 5px;
}

.contact-item p {
    opacity: 0.9;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    padding: 15px 20px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    background: rgba(255,255,255,0.1);
    color: var(--white);
    transition: background 0.3s;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255,255,255,0.7);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    background: rgba(255,255,255,0.2);
}

.contact-form button {
    padding: 15px 40px;
    background: var(--white);
    color: var(--primary);
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.contact-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer p {
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 36px;
    }

    .tagline {
        font-size: 16px;
    }

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

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

    .services h2,
    .about-text h2,
    .contact h2 {
        font-size: 32px;
    }
}