/* Kettenhaus Design System - No Global Tag Selectors */

:root {
    --primary-gold: #D4AF37;
    --primary-dark: #1A1A1A;
    --text-main: #333333;
    --text-muted: #666666;
    --bg-light: #FAFAFA;
    --bg-white: #FFFFFF;
    --accent-gold: #B8860B;
    --transition: all 0.3s ease;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --border-radius: 8px;
    --container-width: 1200px;
}

/* Base Utility Classes for Reset */
.site-wrapper {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

.box-reset {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Typography Classes */
.heading-primary {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.heading-secondary {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 1.25rem;
}

.heading-tertiary {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.text-body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-size: 1.125rem;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.text-small {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Layout Classes */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
    box-sizing: border-box;
}

.section {
    padding: 5rem 0;
    box-sizing: border-box;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    box-sizing: border-box;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    box-sizing: border-box;
}

/* Component Classes */
.navbar {
    background: var(--bg-white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    box-sizing: border-box;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
}

.logo-link {
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-dark);
    letter-spacing: -1px;
    box-sizing: border-box;
    z-index: 1001;
}

.logo-span {
    color: var(--primary-gold);
    box-sizing: border-box;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.nav-item-link {
    text-decoration: none;
    color: var(--primary-dark);
    font-weight: 500;
    transition: var(--transition);
    box-sizing: border-box;
}

.nav-item-link:hover {
    color: var(--primary-gold);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
    background: none;
    border: none;
    padding: 10px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--primary-dark);
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.btn-primary {
    display: inline-block;
    background: var(--primary-gold);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-sizing: border-box;
}

.btn-primary:hover {
    background: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.hero-section {
    background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
    padding: 8rem 0;
    box-sizing: border-box;
}

.hero-image {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: block;
    box-sizing: border-box;
}

.feature-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    box-sizing: border-box;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.footer {
    background: var(--primary-dark);
    color: white;
    padding: 4rem 0 2rem;
    box-sizing: border-box;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
    box-sizing: border-box;
}

.footer-heading {
    color: var(--primary-gold);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    box-sizing: border-box;
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.footer-link-item {
    margin-bottom: 0.75rem;
    box-sizing: border-box;
}

.footer-link {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
    box-sizing: border-box;
}

.footer-link:hover {
    color: var(--primary-gold);
}

.disclosure-bar {
    background: #f1f1f1;
    padding: 0.5rem 0;
    text-align: center;
    box-sizing: border-box;
}

.disclosure-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 0.8rem;
    color: var(--text-muted);
    box-sizing: border-box;
}

/* Content Page Classes */
.article-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 4rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    box-sizing: border-box;
}

.article-image {
    width: 100%;
    margin: 2rem 0;
    border-radius: var(--border-radius);
    box-sizing: border-box;
}

.product-info-box {
    border-left: 4px solid var(--primary-gold);
    padding: 1.5rem;
    background: #fffdf5;
    margin: 2rem 0;
    box-sizing: border-box;
}

.info-list {
    padding-left: 1.5rem;
    box-sizing: border-box;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    box-sizing: border-box;
    display: block;
    overflow-x: auto;
}

.table-header {
    background: var(--primary-dark);
    color: white;
    padding: 1rem;
    text-align: left;
    box-sizing: border-box;
}

.table-cell {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
    box-sizing: border-box;
}

/* Contact Form Classes */
.contact-form {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
    box-sizing: border-box;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    box-sizing: border-box;
}

.form-label {
    font-weight: 600;
    box-sizing: border-box;
}

.form-input {
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    box-sizing: border-box;
}

.form-textarea {
    height: 150px;
    resize: vertical;
    box-sizing: border-box;
}

/* Mobile Responsiveness */
@media (max-width: 968px) {
    .grid-2 {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .heading-primary {
        font-size: 2.5rem;
    }
    .heading-secondary {
        font-size: 1.8rem;
    }
    .section {
        padding: 3rem 0;
    }
    .hero-section {
        padding: 4rem 0;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    .article-container {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--bg-white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.4s ease;
        z-index: 1000;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-item-link {
        font-size: 1.5rem;
    }

    .navbar .btn-primary {
        display: none;
    }
}

@media (max-width: 480px) {
    .heading-primary {
        font-size: 2rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .grid-3 {
        grid-template-columns: 1fr;
    }
}