/* main layout stylesheet for Rohstoffhandel Rheinland */
@import url('./variables.css');

/* ---------------------------------------------------- */
/* 1. Global Reset & Base Styles                        */
/* ---------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    width: 100%;
    overflow-x: hidden;
}

body {
    background-color: var(--color-background);
    color: var(--color-on-background);
    font-family: var(--font-body);
    font-size: var(--font-size-body-md);
    line-height: 1.6;
    width: 100%;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headline);
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1.25;
}

h1 {
    font-size: var(--font-size-display-mobile);
    margin-bottom: var(--space-3);
}

h2 {
    font-size: var(--font-size-headline-lg);
    margin-bottom: var(--space-2);
}

h3 {
    font-size: var(--font-size-headline-md);
    margin-bottom: var(--space-2);
}

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

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

ul {
    list-style: none;
}

/* ---------------------------------------------------- */
/* 2. Utility & Layout Container                        */
/* ---------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.section {
    padding: var(--space-6) 0;
}

.section-alt {
    background-color: var(--color-surface-container-low);
}

.text-center { text-align: center; }
.text-right { text-align: right; }

.flex { display: flex; }
.grid { display: grid; }

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.gap-gutter { gap: var(--gutter); }

/* ---------------------------------------------------- */
/* 3. Navigation Header (Glassmorphic & Sticky)         */
/* ---------------------------------------------------- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(196, 199, 201, 0.3);
    transition: background-color var(--transition-normal);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-rhr {
    font-family: var(--font-headline);
    font-size: 42px;
    font-weight: 400;
    letter-spacing: -0.06em;
    display: flex;
    align-items: center;
}

.logo-rhr .logo-r {
    color: var(--color-secondary-container);
}

.logo-rhr .logo-h {
    color: #000000;
}

.logo-divider {
    width: 2px;
    height: 42px;
    background-color: #000;
}

.logo-text-full {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.15;
    color: #000000;
    font-weight: 400;
}

.nav-menu {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.nav-link {
    font-weight: 500;
    font-size: var(--font-size-label-md);
    padding: 8px 12px;
    border-radius: var(--radius-default);
    color: var(--color-primary-container);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-secondary-container);
    background-color: rgba(47, 53, 56, 0.05);
}

.nav-link.active {
    font-weight: 700;
    color: var(--color-primary);
    background-color: rgba(47, 53, 56, 0.08);
}

/* Call to Action Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-size: var(--font-size-label-md);
    font-weight: 600;
    padding: 12px 24px;
    border-radius: var(--radius-default);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.btn-primary:hover {
    background-color: var(--color-primary-container);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--color-secondary-container);
    color: var(--color-on-secondary);
}

.btn-secondary:hover {
    background-color: var(--color-secondary);
    transform: translateY(-1px);
}

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

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    margin: 6px 0;
    transition: all var(--transition-normal);
}

/* ---------------------------------------------------- */
/* 4. Hero Section                                      */
/* ---------------------------------------------------- */
.hero {
    position: relative;
    background-color: var(--color-primary-container);
    color: var(--color-on-primary);
    padding: var(--space-8) 0 var(--space-8);
    background-image: linear-gradient(135deg, rgba(26, 32, 35, 0.95) 40%, rgba(47, 53, 58, 0.7) 100%);
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-image: radial-gradient(circle at 80% 20%, rgba(255, 107, 0, 0.15) 0%, transparent 50%);
    z-index: 1;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-6);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 680px;
}

.badge-certified {
    display: inline-flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-on-primary);
    padding: 6px 12px;
    border-radius: var(--radius-default);
    font-size: var(--font-size-label-md);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.badge-certified svg {
    color: var(--color-secondary-container);
    margin-right: 8px;
    width: 16px;
    height: 16px;
}

.hero-title {
    color: var(--color-on-primary);
    font-size: var(--font-size-display);
    line-height: 1.15;
    margin-bottom: var(--space-3);
}

.hero-description {
    font-size: var(--font-size-body-lg);
    opacity: 0.9;
    margin-bottom: var(--space-4);
}

.hero-ctas {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-default);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.hero-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-default);
    pointer-events: none;
    z-index: 2;
}

/* ---------------------------------------------------- */
/* 5. Service Cards (Asymmetric & Tonal Layers)         */
/* ---------------------------------------------------- */
.services-intro {
    max-width: 800px;
    margin: 0 auto var(--space-4);
}

.service-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gutter);
}

.service-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-default);
    border: 1px solid var(--color-outline-variant);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(26, 32, 35, 0.08);
    border-color: var(--color-primary-container);
}

.service-card-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-card-image img {
    transform: scale(1.03);
}

.service-card-content {
    padding: var(--space-3);
}

.service-card-title {
    margin-bottom: var(--space-1);
    font-size: 20px;
}

.service-card-description {
    font-size: var(--font-size-body-md);
    color: #55585b;
    margin-bottom: var(--space-3);
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    font-weight: 600;
    font-size: var(--font-size-label-md);
    color: var(--color-primary);
}

.service-card-link svg {
    margin-left: 6px;
    transition: transform var(--transition-fast);
}

.service-card-link:hover svg {
    transform: translateX(4px);
}

/* ---------------------------------------------------- */
/* 6. Pricing Calculator / Table (Premium & Clean)       */
/* ---------------------------------------------------- */
.price-section {
    background-color: var(--color-surface-container-low);
}

.price-table-wrapper {
    background-color: var(--color-surface);
    border-radius: var(--radius-default);
    border: 1px solid var(--color-outline-variant);
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
}

.price-table-header {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    padding: var(--space-2) var(--space-3);
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    font-family: var(--font-headline);
    font-weight: 700;
    font-size: var(--font-size-label-md);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.price-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    padding: var(--space-2) var(--space-3);
    border-bottom: 1px solid var(--color-surface-container);
    align-items: center;
    transition: background-color var(--transition-fast);
}

.price-row:last-child {
    border-bottom: none;
}

.price-row:nth-child(even) {
    background-color: var(--color-surface-container-low);
}

.price-row:hover {
    background-color: rgba(255, 107, 0, 0.04);
}

.price-name {
    font-weight: 600;
    color: var(--color-primary);
}

.price-trend {
    display: inline-flex;
    align-items: center;
    font-weight: 600;
    font-size: 14px;
}

.trend-up {
    color: #1b4332;
}

.trend-stable {
    color: #55585b;
}

.price-val {
    font-family: var(--font-headline);
    font-weight: 700;
    color: var(--color-primary);
    text-align: right;
}

.price-note {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-caption);
    color: #55585b;
    border-top: 1px solid var(--color-surface-container);
    background-color: var(--color-surface-container-low);
}

/* ---------------------------------------------------- */
/* 7. Contact / Lead Form                               */
/* ---------------------------------------------------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-6);
}

.contact-info {
    padding-right: var(--space-3);
}

.contact-details {
    margin-top: var(--space-3);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--space-2);
}

.contact-item-icon {
    width: 24px;
    height: 24px;
    color: var(--color-secondary-container);
    margin-right: var(--space-2);
    flex-shrink: 0;
}

.contact-item-text strong {
    display: block;
    color: var(--color-primary);
}

.form-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-default);
    padding: var(--space-4);
}

.form-group {
    margin-bottom: var(--space-2);
}

.form-label {
    display: block;
    font-size: var(--font-size-label-md);
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-primary);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--radius-default);
    font-family: var(--font-body);
    font-size: var(--font-size-body-md);
    background-color: var(--color-surface-container-low);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-surface);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* ---------------------------------------------------- */
/* 8. Map & Cookie Consent Overlay                     */
/* ---------------------------------------------------- */
.map-wrapper {
    position: relative;
    height: 400px;
    background-color: var(--color-surface-container-high);
    border-radius: var(--radius-default);
    overflow: hidden;
    border: 1px solid var(--color-outline-variant);
}

.map-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(26, 32, 35, 0.95);
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--space-4);
    text-align: center;
    color: white;
    transition: opacity var(--transition-normal);
}

.map-overlay-title {
    color: white;
    margin-bottom: var(--space-1);
}

.map-overlay-text {
    max-width: 500px;
    margin-bottom: var(--space-3);
    opacity: 0.9;
    font-size: var(--font-size-body-md);
}

/* ---------------------------------------------------- */
/* 9. Footer                                            */
/* ---------------------------------------------------- */
.footer {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    padding: var(--space-6) 0 var(--space-3);
    font-size: var(--font-size-body-md);
    border-top: 4px solid var(--color-secondary-container);
}

.footer h3, .footer h4 {
    color: white;
    margin-bottom: var(--space-2);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.footer-brand-desc {
    opacity: 0.8;
    margin-top: 12px;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--color-secondary-container);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-3);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-2);
    font-size: var(--font-size-caption);
    opacity: 0.7;
}

/* Cookie Banner Styles */
.cookie-banner {
    position: fixed;
    bottom: var(--space-3);
    left: var(--space-3);
    right: var(--space-3);
    max-width: 600px;
    background-color: var(--color-primary-container);
    color: var(--color-on-primary);
    border-radius: var(--radius-default);
    padding: var(--space-3);
    z-index: 9999;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: none;
    transform: translateY(20px);
    opacity: 0;
    transition: all var(--transition-normal);
}

.cookie-banner.show {
    display: block;
    transform: translateY(0);
    opacity: 1;
}

.cookie-banner-title {
    color: white;
    font-size: 18px;
    margin-bottom: 8px;
}

.cookie-banner-text {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 16px;
}

.cookie-banner-buttons {
    display: flex;
    gap: var(--space-1);
    justify-content: flex-end;
}

/* ---------------------------------------------------- */
/* 10. Responsive Breakpoints                           */
/* ---------------------------------------------------- */
@media (max-width: 1024px) {
    .service-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 38px; }
    h2 { font-size: 26px; }
    
    .hero h1 {
        font-size: 28px !important;
        line-height: 1.25 !important;
    }
    
    .hero-title {
        font-size: 30px !important;
        line-height: 1.25 !important;
    }
    
    .badge-certified {
        font-size: 12px !important;
        white-space: normal !important;
        flex-wrap: wrap !important;
    }
    
    .logo-rhr {
        font-size: 28px;
    }
    .logo-divider {
        height: 28px;
    }
    .logo-text-full {
        font-size: 11px;
    }
    
    #header-phone-btn {
        display: none !important;
    }
    
    .section { padding: var(--space-4) 0; }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--color-primary-container);
        flex-direction: column;
        padding: var(--space-3);
        gap: var(--space-2);
        border-bottom: 3px solid var(--color-secondary-container);
    }
    
    .nav-menu.show {
        display: flex;
    }
    
    .nav-link {
        color: var(--color-on-primary);
        width: 100%;
        text-align: center;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-grid {
        grid-template-columns: 1fr !important;
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .service-card-grid {
        grid-template-columns: 1fr !important;
    }
    
    .contact-grid {
        grid-template-columns: 1fr !important;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr !important;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    /* Force grids with inline styles to stack on mobile */
    .section .container[style*="grid-template-columns"],
    .container[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
        gap: 30px !important;
    }
    
    .form-group[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }

    /* Reduce inline paddings/widths that overflow on small screens */
    #logistics-box, 
    .section div[style*="padding: 40px"],
    .section div[style*="padding: 30px"] {
        padding: 24px !important;
    }

    /* Prevent tables/large elements from overflowing */
    .price-table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .price-table-header, .price-row {
        min-width: 550px;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr !important;
    }
    .hero-ctas .btn {
        width: 100%;
    }
}

/* ---------------------------------------------------- */
/* 11. B2B Landingpage & FAQ Accordion Elements         */
/* ---------------------------------------------------- */
.b2b-material-card {
    transition: all var(--transition-fast) !important;
}

.b2b-material-card:hover {
    border-color: var(--color-secondary-container) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(244, 91, 10, 0.08);
}

.b2b-material-card.active {
    border-color: var(--color-secondary-container) !important;
    background-color: var(--color-surface-container) !important;
    box-shadow: 0 4px 15px rgba(244, 91, 10, 0.12);
}

.faq-item {
    transition: all var(--transition-fast) !important;
}

.faq-item:hover {
    border-color: var(--color-secondary-container) !important;
    background-color: var(--color-surface-container) !important;
}

@media (max-width: 480px) {
    .footer-links {
        grid-template-columns: 1fr !important;
    }
}