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

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

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

/* Header */
.header {
    background-color: #ffffff;
    border-bottom: 1px solid #e5e5e5;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 24px;
    font-weight: 600;
    color: #1a1a1a;
    letter-spacing: -0.5px;
}

.nav ul {
    list-style: none;
    display: flex;
    gap: 40px;
}

.nav a {
    text-decoration: none;
    color: #666;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav a:hover {
    color: #000;
}

/* Hero Section */
.hero {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.2) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    text-align: center;
    color: #ffffff;
    max-width: 600px;
}

.hero-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    padding: 14px 40px;
    background-color: #000;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 600;
    transition: background-color 0.2s ease;
}

.cta-button:hover {
    background-color: #333;
}

/* Sections */
.section {
    padding: 80px 0;
    background-color: #ffffff;
}

.section.section-alt {
    background-color: #f5f5f5;
}

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

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

.section-content .text {
    padding: 20px 0;
}

.section-content h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.section-content p {
    font-size: 15px;
    color: #555;
    line-height: 1.7;
}

.section-content img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    border-radius: 8px;
    display: block;
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    color: #aaa;
    padding: 40px 0;
    text-align: center;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav ul {
        gap: 20px;
    }

    .nav a {
        font-size: 14px;
    }

    .hero {
        height: 350px;
    }

    .hero-content h2 {
        font-size: 32px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .section {
        padding: 60px 0;
    }

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

    .section-content h3 {
        font-size: 24px;
    }

    .header .container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .logo {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .hero {
        height: 280px;
    }

    .hero-content h2 {
        font-size: 24px;
    }

    .hero-content p {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .cta-button {
        padding: 12px 30px;
        font-size: 14px;
    }

    .section-content h3 {
        font-size: 20px;
    }

    .section {
        padding: 40px 0;
    }
}