/* --- RESET & VARIABLES --- */
:root {
    --primary: #007bff;
    --primary-dark: #0056b3;
    --accent: #28a745;
    --accent-dark: #218838;
    --text-dark: #333;
    --text-light: #666;
    --bg-light: #f4f7f6;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
}

html { 
    scroll-behavior: smooth; 
    scroll-padding-top: 100px; 
}

body {
    margin: 0; padding: 0;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- NAVIGATION --- */
nav {
    position: fixed;
    top: 0; width: 100%; 
    background: var(--white); 
    border-bottom: 1px solid #ddd;
    z-index: 10000; 
    display: flex; 
    align-items: center; 
    justify-content: space-between;
    padding: 10px 20px; 
    box-sizing: border-box; 
    height: 112px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

nav .nav-left img { 
    height: 90px; 
    width: auto; 
    object-fit: contain; 
}

.nav-links { 
    display: flex; 
    gap: 25px; 
    align-items: center; 
}

.nav-links a { 
    text-decoration: none; 
    color: var(--text-dark); 
    font-weight: 600; 
    font-size: 0.95rem; 
    transition: color 0.2s;
}

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

.btn-workorder { 
    background-color: var(--primary); 
    color: var(--white) !important; 
    padding: 10px 20px; 
    border-radius: 50px; 
}

/* --- HERO & MAIN CONTENT --- */
.hero {
    margin-top: 112px;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white; 
    text-align: center; 
    padding: 60px 20px;
}

main { 
    flex: 1 0 auto; 
    padding: 40px 20px; 
}

section { 
    max-width: 1100px; 
    margin: 0 auto 60px auto; 
}

/* --- SHARED COMPONENTS --- */
.product-highlight {
    display: flex; 
    align-items: center; 
    gap: 50px; 
    background: var(--white);
    padding: 40px; 
    border-radius: 12px; 
    box-shadow: var(--shadow);
}

.benefits-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: 30px; 
}

.benefit-card { 
    background: var(--white); 
    padding: 30px; 
    border-radius: 12px; 
    box-shadow: var(--shadow); 
    border-top: 4px solid var(--primary); 
}

/* --- FOOTER --- */
footer { 
    background: #222; 
    color: #eee; 
    padding: 50px 20px; 
    text-align: center; 
    font-size: 0.9rem; 
}

footer a { 
    color: #aaa; 
    text-decoration: underline; 
}

.footer-disclaimer { 
    margin-top: 30px; 
    border-top: 1px solid #444; 
    padding-top: 20px; 
    color: #888; 
    font-size: 0.8rem;
}

/* --- MOBILE STYLES --- */
.hamburger { 
    display: none; 
    flex-direction: column; 
    cursor: pointer; 
    gap: 5px; 
    background: none; 
    border: none; 
}

.hamburger div { 
    width: 30px; 
    height: 3px; 
    background: var(--text-dark); 
    border-radius: 2px; 
}

.mobile-review-btn {
    display: none; 
    position: fixed; 
    bottom: 0; 
    left: 0; 
    width: 100%;
    background-color: var(--primary); 
    color: white; 
    text-align: center;
    padding: 15px; 
    font-weight: bold; 
    text-decoration: none; 
    z-index: 20000;
}

@media(max-width: 900px) {
    nav { height: 90px; }
    nav .nav-left img { height: 70px; }
    .hero { margin-top: 90px; }
    .nav-links { 
        display: none; 
        flex-direction: column; 
        position: absolute; 
        top: 100%; 
        left: 0; 
        width: 100%; 
        background: white; 
        padding: 20px 0; 
        border-bottom: 2px solid var(--primary); 
    }
    .nav-links.show { display: flex; }
    .hamburger { display: flex; }
    .mobile-review-btn { display: block; }
    footer { padding-bottom: 80px; }
    .product-highlight { flex-direction: column; text-align: center; }
}