:root {
    --primary-color: #d4af37; /* Soft Gold */
    --primary-hover: #b8962e;
    --secondary-color: #1a1a1a; /* Rich Black */
    --bg-light: #fdfdfd;
    --bg-dark: #121212;
    --text-main: #333333;
    --text-muted: #666666;
    --text-light: #ffffff;
    --border-color: #eeeeee;
    --transition: all 0.3s ease;
    --container-width: 1200px;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

html, body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    scroll-behavior: smooth;
}

header, footer, section, main, nav, aside, article {
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin-top: 0;
    line-height: 1.2;
    color: var(--secondary-color);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-light);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--text-light);
}

/* Navbar */
.navbar {
    height: 80px;
    display: flex;
    align-items: center;
    background-color: var(--text-light);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary-color);
    letter-spacing: 1px;
}

.logo span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

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

/* Hamburger Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    z-index: 1001;
}

.menu-toggle .bar {
    width: 28px;
    height: 3px;
    background-color: var(--secondary-color);
    transition: var(--transition);
    border-radius: 2px;
}

.menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.section-title p {
    color: var(--text-muted);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    background-color: #faf7f2;
    padding: 100px 0;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 25px;
}

.hero-content p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 35px;
}

.hero-image {
    flex: 1;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--text-light);
    padding: 40px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: var(--transition);
    border: 1px solid transparent;
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.feature-card .icon {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Product Comparison */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 30px;
}

.comparison-table th, .comparison-table td {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background-color: #f9f9f9;
}

.check {
    color: #27ae60;
    font-weight: bold;
}

.cross {
    color: #e74c3c;
    font-weight: bold;
}

/* Disclosure */
.disclosure {
    background-color: #f1f1f1;
    padding: 15px 0;
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: var(--text-light);
    padding: 80px 0 20px;
}

.footer h3, .footer h4 {
    color: var(--text-light);
    margin-bottom: 25px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
}

.footer-info p {
    color: #999;
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    color: #999;
    margin-bottom: 12px;
}

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

.footer-bottom {
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid #333;
    text-align: center;
    font-size: 14px;
    color: #666;
}

/* Product Details Page Styles */
.product-hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #fff 0%, #faf7f2 100%);
    border-bottom: 1px solid var(--border-color);
}
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.spec-list {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}
.spec-list li {
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
}
.spec-list li strong {
    color: var(--secondary-color);
}
.quality-section {
    background: #fff;
    padding: 100px 0;
}
.infographic {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}
.info-item {
    text-align: center;
    padding: 30px;
    background: #faf7f2;
    border-radius: 12px;
}
.info-item h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}
.cta-banner {
    background: #333;
    color: #fff;
    padding: 80px 0;
    text-align: center;
}
.cta-banner h2 {
    color: #fff;
    margin-bottom: 20px;
}
.testimonial-box {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    margin: 20px 0;
}
.stars {
    color: #ffb400;
    margin-bottom: 15px;
}
.quality-infographic {
    margin-top: 80px;
    display: flex;
    gap: 40px;
    align-items: center;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.contact-grid {
    display: flex;
    gap: 50px;
    margin-top: 50px;
}

/* Responsive */
@media (max-width: 1024px) {
    :root {
        --container-width: 95%;
    }
    .hero-content h1 {
        font-size: 40px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    .navbar {
        height: 70px;
        padding: 0;
        position: sticky;
        top: 0;
    }
    .navbar .container {
        flex-direction: row; /* Keep it row for logo + toggle */
        justify-content: space-between;
    }
    .menu-toggle {
        display: flex;
    }
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: white;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 30px;
        transition: 0.3s ease;
        z-index: 1000;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    }
    .nav-links.active {
        left: 0;
    }
    .navbar .nav-cta {
        display: none; /* Hide button in navbar on mobile to keep it clean */
    }
    .hero {
        padding: 40px 0 60px;
    }
    .hero .container {
        flex-direction: column-reverse;
        text-align: center;
        gap: 30px;
    }
    .hero-content h1 {
        font-size: 32px;
        line-height: 1.3;
        margin-bottom: 20px;
    }
    .hero-image img {
        max-width: 90%;
        margin: 0 auto;
    }
    .section-title h2 {
        font-size: 28px;
    }
    .comparison-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
    
    /* Product Page Specifics */
    .detail-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .infographic {
        grid-template-columns: 1fr;
    }
    .quality-infographic {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    .product-hero {
        padding: 40px 0;
    }
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    .contact-grid {
        flex-direction: column;
        gap: 40px;
    }
    main.container {
        padding: 50px 20px !important;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-info .logo {
        margin: 0 auto 20px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 28px;
    }
    .btn {
        width: 100%;
        padding: 16px 20px;
        box-sizing: border-box; /* Crucial for full width buttons */
    }
    .hero-btns {
        display: flex;
        flex-direction: column;
        gap: 15px;
        margin-top: 25px;
    }
    .hero-btns .btn {
        margin-left: 0 !important;
    }
    .nav-links a {
        font-size: 13px;
    }
}