/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.2; margin-bottom: 1rem; }

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 1rem 0;
}
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 700; color: #667eea; }
.nav-menu { display: flex; list-style: none; gap: 2rem; }
.nav-menu a { font-weight: 500; transition: color 0.3s; }
.nav-menu a:hover { color: #667eea; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 5px; }
.nav-toggle span { width: 25px; height: 3px; background: #333; border-radius: 3px; transition: 0.3s; }

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-size: cover;
    background-position: center;
    color: white;
    padding: 6rem 1.5rem 4rem;
}
.hero-content h1 { font-size: clamp(2rem, 5vw, 4rem); margin-bottom: 1rem; }
.hero-content .tagline { font-size: clamp(1.25rem, 2.5vw, 1.75rem); font-weight: 600; margin-bottom: 1rem; opacity: 0.95; }
.hero-content .hero-text { font-size: clamp(1rem, 2vw, 1.25rem); max-width: 700px; margin: 0 auto 2rem; opacity: 0.9; }
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    background: white;
    color: #667eea;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 20px rgba(0,0,0,0.2); }

/* About Section */
.about { padding: 5rem 0; }
.about h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); text-align: center; margin-bottom: 2rem; color: #1a202c; }
.about-content { max-width: 800px; margin: 0 auto; text-align: center; color: #4a5568; font-size: 1.1rem; line-height: 1.8; }

/* Features Section */
.features { padding: 5rem 0; background: #f7fafc; }
.features h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); text-align: center; margin-bottom: 3rem; color: #1a202c; }
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}
.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.07);
    transition: transform 0.3s, box-shadow 0.3s;
}
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.feature-card h3 { color: #667eea; margin-bottom: 0.75rem; }
.feature-card p { color: #4a5568; }

/* Content Sections */
.content-section { padding: 5rem 0; }
.content-section h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); text-align: center; margin-bottom: 2rem; color: #1a202c; }
.content-section p { max-width: 800px; margin: 0 auto; text-align: center; color: #4a5568; font-size: 1.1rem; }
.content-section.alt { background: #f7fafc; }

/* CTA Section */
.cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}
.cta h2 { color: white; font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: 1rem; }
.cta p { color: rgba(255,255,255,0.9); max-width: 600px; margin: 0 auto 2rem; font-size: 1.1rem; }
.cta .btn { background: white; color: #667eea; }

/* Gallery */
.gallery { padding: 5rem 0; background: #f7fafc; }
.gallery h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); text-align: center; margin-bottom: 2rem; color: #1a202c; }
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.gallery-item {
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}
.gallery-item:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.15); }
.gallery-item img { width: 100%; height: 250px; object-fit: cover; }

/* Contact */
.contact { padding: 5rem 0; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; }
.contact h2 { color: white; font-size: clamp(1.75rem, 3vw, 2.5rem); text-align: center; margin-bottom: 1rem; }
.contact > .container > p { text-align: center; color: rgba(255,255,255,0.9); }
.contact-info { margin-top: 2rem; text-align: center; }
.contact-info p { font-size: 1.25rem; color: white; }

/* Footer */
.footer { background: #1a202c; color: white; padding: 2rem 0; text-align: center; }
.footer p { color: rgba(255,255,255,0.7); margin: 0; }

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: white;
        padding: 1rem;
        gap: 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        display: none;
    }
    .nav-menu.active { display: flex; }
    .nav-menu li { padding: 0.75rem 0; border-bottom: 1px solid #eee; }
    .nav-menu li:last-child { border-bottom: none; }
    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

    section { padding: 3rem 0; }
    .features-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: 1fr; }
}