:root {
    --primary: #1a365d;
    --primary-light: #2c5282;
    --accent: #3182ce;
    --text: #1a202c;
    --text-light: #4a5568;
    --bg: #ffffff;
    --bg-alt: #f7fafc;
    --border: #e2e8f0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

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

/* Hero */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--bg-alt) 0%, var(--bg) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-image img {
    width: 100%;
    max-width: 400px;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

/* Services */
.services {
    padding: 100px 0;
}

.services h2,
.about h2,
.contact h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: -0.02em;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s;
}

.service-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -8px rgba(49, 130, 206, 0.15);
}

.service-icon {
    color: var(--accent);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.7;
}

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

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.8;
}

.about-content p:last-child {
    margin-bottom: 0;
}

/* Contact */
.contact {
    padding: 100px 0;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-item svg {
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item strong {
    display: block;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.contact-item a,
.contact-item span {
    color: var(--text-light);
    text-decoration: none;
    font-size: 1rem;
}

.contact-item a:hover {
    color: var(--accent);
}

.contact-cta {
    background: var(--bg-alt);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
}

.contact-cta p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 24px;
}

/* Footer */
.footer {
    background: var(--primary);
    color: white;
    padding: 32px 0;
    text-align: center;
}

.footer p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .hero {
        padding: 120px 0 80px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.25rem;
    }

    .hero-description {
        max-width: none;
    }

    .hero-image {
        order: -1;
    }

    .hero-image img {
        max-width: 280px;
        margin: 0 auto;
        display: block;
    }

    .services h2,
    .about h2,
    .contact h2 {
        font-size: 2rem;
        margin-bottom: 40px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .service-card {
        padding: 24px 20px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-cta {
        padding: 32px 24px;
    }

    .services,
    .about,
    .contact {
        padding: 80px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-text h1 {
        font-size: 1.875rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .btn {
        padding: 10px 24px;
        font-size: 0.95rem;
    }
}