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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #333;
    line-height: 1.6;
}

/* Global link styles */
a {
    color: #057C2C;
    text-decoration: none;
    transition: color 0.2s, opacity 0.2s;
}

a:hover,
a:focus {
    color: #046622;
    opacity: 0.85;
}

/* Navigation */
nav {
    background: #057C2C;
    color: #ffffff;
    padding: 20px 80px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 200ms ease, box-shadow 200ms ease, padding 200ms ease;
}

nav .logo,
nav .nav-links a {
    color: #ffffff;
}

.logo {
    font-size: 20px;
    font-weight: 500;
}

.nav-links {
    display: flex;
    gap: 48px;
    align-items: center;
}

.nav-links a {
    font-size: 20px;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav-links a:hover,
nav.scrolled .nav-links a:hover {
    opacity: 0.9;
}

nav .nav-btn {
    background: #ffffff;
    color: #057C2C;
    border: 1px solid rgba(0,0,0,0.04);
    padding: 14px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
    transition: background 0.15s, transform 0.08s, color 0.15s;
}

.nav-btn:hover {
    background: #f2f7f2;
    transform: translateY(-1px);
}

/* Scrolled navigation state */
nav.scrolled {
    background: #ffffff;
    color: #057C2C;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    padding: 14px 80px;
}

nav.scrolled .logo,
nav.scrolled .nav-links a {
    color: #057C2C;
}

nav.scrolled .nav-btn {
    background: #057C2C;
    color: #ffffff !important;
    border: none;
}

nav.scrolled .nav-btn:hover {
    background: #046622;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1280 832"><rect fill="%23057C2C" width="1280" height="832"/></svg>');
    background-size: cover;
    background-position: center;
    height: 832px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-content {
    max-width: 844px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 16px;
}

.hero p {
    font-size: 24px;
    font-weight: 500;
    line-height: 1.4;
    margin-bottom: 40px;
}

.hero-btn {
    background: #057C2C;
    color: white;
    padding: 20px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 24px;
    font-weight: 500;
    display: inline-block;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    transition: background 0.3s;
}

.hero-btn:hover {
    background: #046622;
}

/* About Section */
.about {
    background: #ffffff;
    padding: 80px;
    display: flex;
    gap: 60px;
    align-items: center;
    border-top: 1px solid rgba(0,0,0,0.03);
}

.about-content {
    flex: 1;
}

.about h2 {
    color: #057C2C;
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
}

.about p {
    font-size: 20px;
    font-weight: 500;
    line-height: 1.5;
    color: #333;
    margin-bottom: 16px;
}

.about-image {
    width: 408px;
    height: 408px;
    background: #F7F7F7;
    border-radius: 8px;
    flex-shrink: 0;
}

/* Products Section */
.products {
    background: #fbfbfc;
    padding: 80px;
    border-top: 1px solid rgba(0,0,0,0.03);
}

.products h2 {
    color: #057C2C;
    font-size: 36px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 60px;
}

.product-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.product-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
    padding: 12px 0;
}

.product-row .product-text,
.product-row .product-image {
    align-self: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-image {
    width: 100%;
    aspect-ratio: 4 / 3;
    background: #F7F7F7;
    border-radius: 8px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.product-text {
    text-align: left;
}

.product-text h3,
.product-item h3 {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
}

.product-desc {
    margin-top: 12px;
    font-size: 16px;
    color: #555;
}

.product-note {
    text-align: center;
    font-size: 20px;
    font-weight: 500;
    color: #333;
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Contact Section */
.contact {
    background: #f6fbf6;
    padding: 80px;
    display: flex;
    gap: 80px;
    border-top: 1px solid rgba(0,0,0,0.03);
}

.contact-info {
    flex: 1;
}

.contact-info h2,
.contact-form h2 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 24px;
}

.contact-info h2 {
    color: #057C2C;
}

.contact-form h2 {
    color: #333;
    margin-bottom: 32px;
}

.contact-details {
    color: #057C2C;
    font-size: 24px;
    line-height: 1.5;
}

.contact-details strong {
    display: block;
    margin-top: 16px;
    margin-bottom: 8px;
}

.map-container {
    margin-top: 16px;
}

.map-container iframe {
    width: 100%;
    border: 0;
    border-radius: 8px;
}

.map-container p {
    margin-top: 8px;
    font-size: 14px;
}

.contact-form {
    flex: 1;
}

.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.form-group {
    flex: 1;
}

.form-group.full {
    width: 100%;
}

.form-group label {
    display: block;
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 8px;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #E0E0E0;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.submit-btn {
    background: #333;
    color: white;
    padding: 16px 32px;
    border: none;
    border-radius: 8px;
    font-size: 20px;
    font-weight: 500;
    cursor: pointer;
    width: 100%;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    transition: background 0.3s;
}

.submit-btn:hover {
    background: #000;
}

/* Footer */
footer {
    background: #ffffff;
    padding: 48px 80px;
    border-top: 1px solid #E6E6E6;
    position: relative;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-brand {
    font-size: 24px;
    color: #333;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    margin-bottom: 24px;
}

.footer-column a {
    display: block;
    font-size: 16px;
    color: #454545;
    text-decoration: none;
    margin-bottom: 24px;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: #057C2C;
}

.social-icons {
    display: flex;
    gap: 8px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
    transition: background 0.3s;
}

.social-icon:hover {
    background: #e0e0e0;
}

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

.footer-copyright {
    position: absolute;
    right: 24px;
    bottom: 12px;
}

.footer-copyright a {
    color: #999;
    font-size: 14px;
    text-decoration: none;
}

.footer-copyright a:hover {
    color: #666;
}

/* Media Queries */
@media (max-width: 1024px) {
    nav, .about, .products, .contact, footer {
        padding: 40px;
    }

    .hero h1 {
        font-size: 48px;
    }

    .about {
        flex-direction: column;
    }

    .about-image {
        width: 100%;
        max-width: 408px;
    }

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

    .contact {
        flex-direction: column;
    }
}

@media (max-width: 900px) {
    .product-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .product-row.reverse {
        direction: ltr;
    }
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 20px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 24px;
    }

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

    .hero p {
        font-size: 18px;
    }

    .about h2 {
        font-size: 48px;
    }

    .form-row {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        flex-direction: column;
        gap: 40px;
    }
}