*,
html,
body {
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
    box-sizing: border-box;
    position: relative;
    font-family: 'Raleway', 'Poppins', sans-serif;
}

:root {
    --gradient-primary: linear-gradient(145deg, #0866ad, #0a4c7e);
    --gradient-secondary: linear-gradient(145deg, #001627, #001e35);
    
    --primary: #0866ad;
    --primary-hover: #0a4c7e;
    --primary-soft: rgba(8, 102, 173, 0.1);
    --secondary: #001627;
    --secondary-hover: #001e35;
    --secondary-soft: rgba(0, 22, 39, 0.05);
    --light-bg: #ffffff;

    --text-light: #ffffff;
    --text-soft: #f8f9fa;
    --text-muted: #444c53;
    --text-dark: #001627;

    --shadow-sm: 0 5px 15px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 25px rgba(8, 102, 173, 0.15);
    --shadow-lg: 0 15px 40px rgba(8, 102, 173, 0.2);
    
    --border-radius-sm: 10px;
    --border-radius-md: 15px;
    --border-radius-lg: 25px;
}

/* nav bar */
.landing_fdr {
    width: 100%;
    position: relative;
    display: block;
    margin: 0;
    padding: 0;
    transition: 0.5s ease-in-out;
    
    & > .land_container {
        width: 80%;
        position: relative;
        margin: 0 auto;
        transition: 0.5s ease-in-out;
        z-index: 2;
    }
}

/* Mini Header */
.fdr_mini_header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    
    &.center {
        justify-content: center;
    }
    
    & > .theme_block {
        height: 15px;
        width: 15px;
        background-color: var(--primary);
    }
    
    & > span {
        font-size: 1.1em;
        font-weight: 600;
        color: var(--secondary);
        letter-spacing: 1px;
    }
}

/* Section Title */
.fdr_section_title {
    font-size: 2.5em;
    line-height: 1.2;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 40px;
    
    & > span {
        color: var(--primary);
    }
    
    &.left {
        text-align: left;
    }
    
    &.light {
        color: var(--text-light);
    }
}

/* Image Placeholders */
.fdr_image_placeholder {
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    width: 100%;
    height: 100%;
    
    & > img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
        
        &:hover {
            transform: scale(1.05);
        }
    }
    
    &.main {
        height: 500px;
    }
    
    &.large {
        height: 400px;
    }
    
    &.lab {
        height: 350px;
    }
    
    &.quality {
        height: 180px;
    }
}

/* Hero Section */
.fdr_hero {
    width: 100%;
    position: relative;
    background: linear-gradient(135deg, var(--secondary) 0%, #002b4a 100%);
    background-image: url(../IMAGES/foundry_casting/foundry_casting.jpg);
    background-size: cover;
    background-position: center;
    overflow: hidden;
    
    & > .fdr_transparent {
        width: 100%;
        margin: 0;
        padding: 0;
        background-color: rgba(0, 0, 0, .7);
        position: relative;
        
        & > .fdr_hero_grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            max-width: 1400px;
            margin: 0 auto;
            padding: 80px 0;
            gap: 40px;
        }
        
        & > .fdr_hero_grid > .fdr_hero_content {
            padding: 50px 60px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            
            & > .fdr_hero_badge {
                display: flex;
                align-items: center;
                gap: 15px;
                margin-bottom: 30px;
                
                & > .theme_block {
                    height: 15px;
                    width: 15px;
                    background-color: var(--primary);
                }
                
                & > span {
                    color: var(--text-soft);
                    font-size: 1.1em;
                    font-weight: 600;
                    letter-spacing: 2px;
                }
            }
            
            & > .fdr_hero_title {
                margin-bottom: 30px;
                
                & > .fdr_title_light {
                    display: block;
                    font-size: 1.5em;
                    font-weight: 300;
                    color: var(--text-soft);
                    opacity: 0.8;
                }
                
                & > .fdr_title_bold {
                    display: block;
                    font-size: 3.5em;
                    font-weight: 700;
                    line-height: 1.2;
                    color: var(--text-light);
                    
                    & > span {
                        color: var(--primary);
                    }
                }
            }
            
            & > .fdr_hero_text {
                font-size: 1.1em;
                line-height: 1.6;
                color: var(--text-soft);
                opacity: 0.9;
                margin-bottom: 40px;
                max-width: 500px;
            }
            
            & > .fdr_hero_actions {
                display: flex;
                gap: 20px;
                margin-bottom: 50px;
                
                & > .fdr_btn_primary {
                    display: inline-block;
                    padding: 16px 35px;
                    background: var(--primary);
                    color: var(--text-light);
                    text-decoration: none;
                    border-radius: var(--border-radius-md);
                    font-weight: 600;
                    transition: all 0.3s ease;
                    
                    &:hover {
                        background-color: var(--primary-hover);
                        transform: translateY(-3px);
                        box-shadow: var(--shadow-lg);
                    }
                }
                
                & > .fdr_btn_secondary {
                    display: inline-block;
                    padding: 16px 35px;
                    background: transparent;
                    color: var(--text-light);
                    text-decoration: none;
                    border-radius: var(--border-radius-md);
                    font-weight: 600;
                    border: 2px solid rgba(255, 255, 255, 0.3);
                    transition: all 0.3s ease;
                    
                    &:hover {
                        border-color: var(--primary);
                        background: rgba(8, 102, 173, 0.1);
                        transform: translateY(-3px);
                    }
                }
            }
            
            & > .fdr_hero_metrics {
                display: flex;
                gap: 40px;
                
                & > .fdr_metric {
                    & > .fdr_metric_value {
                        display: block;
                        font-size: 1.3em;
                        font-weight: 700;
                        color: var(--primary);
                        margin-bottom: 5px;
                    }
                    
                    & > .fdr_metric_label {
                        color: var(--text-soft);
                        opacity: 0.7;
                        font-size: 0.9em;
                    }
                }
            }
        }
        
        & > .fdr_hero_grid > .fdr_hero_visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            
            & > .fdr_hero_image {
                width: 100%;
                max-width: 500px;
                
                & > .fdr_image_placeholder {
                    height: 450px;
                }
            }
            
            & > .fdr_hero_overlay_shape {
                position: absolute;
                top: 50%;
                right: 0;
                width: 300px;
                height: 300px;
                background: var(--primary);
                border-radius: 50%;
                filter: blur(80px);
                opacity: 0.2;
                z-index: 1;
            }
        }
    }
}

/* About Section */
.fdr_about {
    background-color: var(--light-bg);
    padding: 50px 0;
    
    & > .fdr_about_grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        max-width: 1400px;
        margin: 0 auto;
        gap: 60px;
        padding: 0 20px;
        
        & > .fdr_about_visual {
            position: relative;
            
            & > .fdr_about_image {
                border-radius: var(--border-radius-lg);
                overflow: hidden;
                box-shadow: var(--shadow-lg);
                
                & > .fdr_image_placeholder {
                    height: 450px;
                }
            }
            
            & > .fdr_about_exp {
                position: absolute;
                bottom: -30px;
                right: 30px;
                background: var(--primary);
                color: white;
                padding: 25px;
                border-radius: var(--border-radius-md);
                max-width: 220px;
                box-shadow: var(--shadow-lg);
                
                & > span {
                    display: block;
                    font-size: 1.8em;
                    font-weight: 800;
                    margin-bottom: 5px;
                }
                
                & > p {
                    opacity: 0.9;
                    line-height: 1.4;
                    font-size: 0.9em;
                }
            }
        }
        
        & > .fdr_about_content {
            display: flex;
            flex-direction: column;
            justify-content: center;
            
            & > .fdr_about_text {
                font-size: 1.1em;
                line-height: 1.8;
                color: var(--text-muted);
                margin: 0;
            }
            
            & > .fdr_about_stats {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                gap: 30px;
                margin-top: 30px;
                
                & > .fdr_stat_block {
                    & > h4 {
                        font-size: 1.5em;
                        color: var(--primary);
                        margin-bottom: 8px;
                        font-weight: 700;
                    }
                    
                    & > p {
                        color: var(--text-muted);
                        font-size: 0.9em;
                    }
                }
            }
        }
    }
}

/* Capabilities Section */
.fdr_capabilities {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--secondary) 0%, #002b4a 100%);
    
    & > .fdr_capabilities_header {
        text-align: center;
        margin-bottom: 60px;
        
        & > .fdr_mini_header {
            justify-content: center;
            
            & > span {
                color: var(--text-light);
            }
        }
        
        & > .fdr_section_title {
            color: var(--text-light);
            
            & > span {
                color: var(--primary);
            }
        }
    }
    
    & > .fdr_capabilities_mosaic {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        grid-auto-rows: 280px;
        gap: 20px;
        max-width: 1400px;
        margin: 0 auto;
        padding: 0 20px;
        
        & > .fdr_mosaic_item {
            position: relative;
            border-radius: var(--border-radius-md);
            overflow: hidden;
            cursor: pointer;
            
            &.large {
                grid-column: span 2;
                grid-row: span 2;
            }
            
            & > .fdr_img_wrap {
                position: absolute;
                inset: 0;
                z-index: 0;
                
                & > img {
                    width: 100%;
                    height: 100%;
                    object-fit: cover;
                }
            }
            
            & > .fdr_overlay {
                position: absolute;
                inset: 0;
                background-color: rgba(0, 0, 0, 0.55);
                z-index: 1;
                transition: all 0.3s ease;
            }
            
            & > .fdr_mosaic_content {
                position: absolute;
                bottom: 0;
                left: 0;
                right: 0;
                padding: 30px;
                z-index: 2;
                color: white;
                transform: translateY(20px);
                transition: all 0.3s ease;
                
                & > h3 {
                    font-size: 1.3em;
                    margin-bottom: 15px;
                    color: var(--primary);
                    font-weight: 700;
                }
                
                & > ul {
                    list-style: none;
                    padding: 0;
                    margin: 0 0 15px 0;
                    
                    & > li {
                        padding: 5px 0;
                        font-size: 0.9em;
                        color: var(--text-soft);
                        
                        &::before {
                            content: '→';
                            color: var(--primary);
                            margin-right: 10px;
                            font-weight: 600;
                        }
                    }
                }
                
                & > .fdr_mosaic_badge {
                    display: inline-block;
                    padding: 5px 12px;
                    background: var(--primary);
                    border-radius: 20px;
                    font-size: 0.8em;
                    font-weight: 600;
                }
            }
            
            &:hover {
                & > .fdr_overlay {
                    background: linear-gradient(135deg, rgba(0, 22, 39, 0.5) 0%, rgba(8, 102, 173, 0.5) 100%);
                }
                
                & > .fdr_mosaic_content {
                    transform: translateY(0);
                }
            }
        }
    }
}

/* Materials Lab Section */
.fdr_materials_lab {
    background-color: var(--light-bg);
    padding: 50px 0;
    
    & > .fdr_lab_grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        max-width: 1400px;
        margin: 0 auto;
        gap: 60px;
        padding: 0 20px;
        
        & > .fdr_lab_content {
            & > .fdr_lab_text {
                font-size: 1.1em;
                color: var(--text-muted);
                line-height: 1.6;
                margin-bottom: 40px;
            }
            
            & > .fdr_alloy_tabs {
                display: flex;
                gap: 10px;
                margin-bottom: 30px;
                border-bottom: 2px solid #e2e8f0;
                padding-bottom: 10px;
                
                & > .fdr_tab {
                    padding: 10px 20px;
                    cursor: pointer;
                    font-weight: 600;
                    color: var(--text-muted);
                    transition: all 0.3s ease;
                    
                    &.active {
                        color: var(--primary);
                        position: relative;
                        
                        &::after {
                            content: '';
                            position: absolute;
                            bottom: -12px;
                            left: 0;
                            width: 100%;
                            height: 3px;
                            background: var(--primary);
                        }
                    }
                    
                    &:hover {
                        color: var(--primary);
                    }
                }
            }
            
            & > .fdr_tab_panel {
                display: none;
                
                &.active {
                    display: block;
                }
                
                & > .fdr_alloy_list {
                    background: #f8fafc;
                    border-radius: var(--border-radius-md);
                    padding: 25px;
                    
                    & > .fdr_alloy_item {
                        display: flex;
                        justify-content: space-between;
                        padding: 12px 0;
                        border-bottom: 1px solid #e2e8f0;
                        
                        &:last-child {
                            border-bottom: none;
                        }
                        
                        & > span:first-child {
                            font-weight: 600;
                            color: var(--secondary);
                        }
                        
                        & > span:last-child {
                            color: var(--primary);
                        }
                    }
                }
            }
        }
        
        & > .fdr_lab_visual {
            position: relative;
            
            & > .fdr_lab_image {
                border-radius: var(--border-radius-lg);
                overflow: hidden;
                box-shadow: var(--shadow-lg);
                
                & > .fdr_image_placeholder {
                    height: 400px;
                }
            }
            
            & > .fdr_lab_badge {
                position: absolute;
                bottom: -20px;
                left: -20px;
                background: white;
                padding: 20px;
                border-radius: var(--border-radius-md);
                box-shadow: var(--shadow-lg);
                
                & > span {
                    display: block;
                    font-weight: 700;
                    color: var(--primary);
                    margin-bottom: 5px;
                    font-size: 1.1em;
                }
                
                & > small {
                    color: var(--text-muted);
                    font-size: 0.85em;
                }
            }
        }
    }
}

/* Process Timeline */
.fdr_process_timeline {
    padding: 50px 15px;
    background: linear-gradient(135deg, var(--secondary) 0%, #002b4a 100%);
    
    & > .fdr_timeline_header {
        text-align: center;
        margin-bottom: 60px;
        
        & > .fdr_mini_header {
            justify-content: center;
            
            & > span {
                color: var(--text-light);
            }
        }
        
        & > .fdr_section_title {
            color: var(--text-light);
            
            & > span {
                color: var(--primary);
            }
        }
    }
    
    & > .fdr_timeline_scroll {
        overflow-x: auto;
        padding: 20px 0;
        
        & > .fdr_timeline_track {
            display: flex;
            gap: 40px;
            min-width: max-content;
            padding: 0 50px;
            justify-content: center;
            
            & > .fdr_timeline_node {
                display: flex;
                flex-direction: column;
                align-items: center;
                width: 180px;
                position: relative;
                
                &:not(:last-child)::after {
                    content: '';
                    position: absolute;
                    top: 40px;
                    right: -40px;
                    width: 40px;
                    height: 2px;
                    background: linear-gradient(to right, var(--primary), transparent);
                }
                
                &:last-child::after {
                    display: none;
                }
                
                & > .fdr_node_marker {
                    width: 80px;
                    height: 80px;
                    background: var(--primary);
                    border-radius: 50%;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    font-size: 1.5em;
                    font-weight: 700;
                    color: white;
                    margin-bottom: 20px;
                    box-shadow: 0 0 30px rgba(8, 102, 173, 0.3);
                }
                
                & > .fdr_node_content {
                    text-align: center;
                    
                    & > h4 {
                        color: white;
                        margin-bottom: 10px;
                        font-size: 1.1em;
                        font-weight: 700;
                    }
                    
                    & > p {
                        color: rgba(255, 255, 255, 0.7);
                        font-size: 0.85em;
                        line-height: 1.5;
                    }
                }
            }
        }
    }
}

/* Quality Gallery */
.fdr_quality_gallery {
    padding: 80px 0;
    background: #f8fafc;
    
    & > .fdr_quality_container {
        max-width: 1400px;
        margin: 0 auto;
        padding: 0 20px;
        
        & > .fdr_quality_header {
            margin-bottom: 60px;
        }
        
        & > .fdr_quality_grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            
            & > .fdr_quality_card {
                background: white;
                border-radius: var(--border-radius-md);
                overflow: hidden;
                box-shadow: var(--shadow-sm);
                transition: all 0.3s ease;
                
                &:hover {
                    transform: translateY(-5px);
                    box-shadow: var(--shadow-lg);
                }
                
                & > .fdr_quality_image {
                    overflow: hidden;
                    
                    & > .fdr_image_placeholder {
                        height: 200px;
                        transition: transform 0.3s ease;
                        
                        &:hover {
                            transform: scale(1.05);
                        }
                    }
                }
                
                & > .fdr_quality_info {
                    padding: 20px;
                    
                    & > h4 {
                        color: var(--secondary);
                        margin-bottom: 8px;
                        font-size: 1.1em;
                        font-weight: 700;
                    }
                    
                    & > p {
                        color: var(--text-muted);
                        font-size: 0.9em;
                    }
                }
            }
        }
    }
}

/* Tech Specs */
.fdr_tech_specs {
    padding: 80px 0;
    background: white;
    
    & > .fdr_tech_container {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
        max-width: 1400px;
        margin: 0 auto;
        padding: 0 20px;
        
        & > .fdr_tech_card {
            text-align: center;
            padding: 40px 25px;
            background: #f8fafc;
            border-radius: var(--border-radius-lg);
            transition: all 0.3s ease;
            
            &:hover {
                transform: translateY(-5px);
                box-shadow: var(--shadow-lg);
                background: white;
            }
            
            & > .fdr_tech_icon {
                font-size: 2.5em;
                margin-bottom: 20px;
                color: var(--primary);
            }
            
            & > h4 {
                color: var(--secondary);
                margin-bottom: 15px;
                font-size: 1.2em;
                font-weight: 700;
            }
            
            & > .fdr_tech_value {
                font-size: 1.1em;
                font-weight: 600;
                color: var(--primary);
                margin-bottom: 5px;
            }
            
            & > .fdr_tech_note {
                color: var(--text-muted);
                font-size: 0.85em;
            }
        }
    }
}

/* Industry Applications */
.fdr_industries_app {
    padding: 80px 0;
    background: #f8fafc;
    
    & > .fdr_app_header {
        text-align: center;
        margin-bottom: 60px;
        
        & > .fdr_mini_header {
            justify-content: center;
        }
    }
    
    & > .fdr_app_grid {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 25px;
        max-width: 1400px;
        margin: 0 auto;
        padding: 0 20px;
        
        & > .fdr_app_item {
            text-align: center;
            padding: 30px 20px;
            background: white;
            border-radius: var(--border-radius-md);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            
            &:hover {
                transform: translateY(-5px);
                box-shadow: var(--shadow-md);
            }
            
            & > .fdr_app_icon {
                font-size: 2.5em;
                margin-bottom: 15px;
                color: var(--primary);
            }
            
            & > h4 {
                color: var(--secondary);
                margin-bottom: 8px;
                font-size: 1.1em;
                font-weight: 700;
            }
            
            & > p {
                color: var(--text-muted);
                font-size: 0.85em;
            }
        }
    }
}

/* FAQ Section */
.fdr_faq_section {
    padding: 80px 0;
    background: white;
    
    & > .fdr_faq_container {
        max-width: 1000px;
        margin: 0 auto;
        padding: 0 20px;
        
        & > .fdr_faq_header {
            margin-bottom: 50px;
        }
        
        & > .fdr_faq_accordion {
            & > .fdr_accordion_item {
                border: 1px solid #e2e8f0;
                border-radius: var(--border-radius-md);
                margin-bottom: 15px;
                overflow: hidden;
                
                &.active {
                    & > .fdr_accordion_answer {
                        max-height: 300px;
                        padding: 20px 30px;
                    }
                    
                    & > .fdr_accordion_question > .fdr_accordion_toggle {
                        transform: rotate(45deg);
                    }
                }
                
                & > .fdr_accordion_question {
                    padding: 20px 30px;
                    background: #f8fafc;
                    display: flex;
                    justify-content: space-between;
                    align-items: center;
                    cursor: pointer;
                    
                    & > h4 {
                        color: var(--secondary);
                        font-weight: 600;
                        font-size: 1.1em;
                    }
                    
                    & > .fdr_accordion_toggle {
                        font-size: 1.5em;
                        color: var(--primary);
                        font-weight: 600;
                        transition: transform 0.3s ease;
                    }
                }
                
                & > .fdr_accordion_answer {
                    max-height: 0;
                    padding: 0 30px;
                    overflow: hidden;
                    transition: all 0.3s ease;
                    
                    & > p {
                        color: var(--text-muted);
                        line-height: 1.6;
                        font-size: 0.95em;
                    }
                }
            }
        }
    }
}

/* Contact Split Screen */
.fdr_contact_split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 700px;
    
    & > .fdr_contact_visual {
        position: relative;
        background: linear-gradient(135deg, var(--secondary) 0%, #002b4a 100%);
        padding: 50px;
        display: flex;
        align-items: center;
        justify-content: center;
        
        & > .fdr_contact_info_card {
            background: var(--light-bg);
            padding: 40px;
            border-radius: var(--border-radius-lg);
            box-shadow: var(--shadow-lg);
            width: 100%;
            max-width: 350px;
            
            & > h3 {
                color: var(--secondary);
                margin-bottom: 30px;
                font-size: 1.5em;
                font-weight: 700;
            }
            
            & > .fdr_contact_detail {
                display: flex;
                gap: 15px;
                margin-bottom: 25px;
                
                & > span {
                    font-size: 1.5em;
                    min-width: 40px;
                }
                
                & > div > strong {
                    display: block;
                    color: var(--primary);
                    margin-bottom: 5px;
                    font-size: 1em;
                }
                
                & > div > p {
                    color: var(--text-muted);
                    font-size: 0.95em;
                }
            }
            
            & > .fdr_download_btn {
                display: block;
                padding: 12px;
                background: var(--primary);
                color: white;
                text-decoration: none;
                text-align: center;
                border-radius: var(--border-radius-md);
                font-weight: 600;
                margin-top: 30px;
                transition: all 0.3s ease;
                
                &:hover {
                    background: var(--primary-hover);
                }
            }
        }
    }
    
    & > .fdr_contact_form {
        padding: 50px 60px;
        background: #f8fafc;
        display: flex;
        flex-direction: column;
        justify-content: center;
        
        & > .fdr_mini_header {
            margin-bottom: 20px;
        }
        
        & > .fdr_form {
            max-width: 500px;
            
            & > .fdr_form_row {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
                margin-bottom: 20px;
            }
            
            & > .fdr_form_row > input,
            & > select,
            & > textarea {
                width: 100%;
                padding: 12px 15px;
                border: 2px solid #e2e8f0;
                border-radius: var(--border-radius-sm);
                font-family: inherit;
                font-size: 1em;
                margin-bottom: 20px;
                transition: all 0.3s ease;
                
                &:focus {
                    outline: none;
                    border-color: var(--primary);
                    box-shadow: 0 0 0 3px var(--primary-soft);
                }
            }
            
            & > textarea {
                resize: vertical;
                min-height: 120px;
            }
            
            & > .fdr_submit_btn {
                width: 100%;
                padding: 15px;
                background: var(--primary);
                color: white;
                border: none;
                border-radius: var(--border-radius-md);
                font-weight: 600;
                font-size: 1.1em;
                cursor: pointer;
                transition: all 0.3s ease;
                
                &:hover {
                    background: var(--primary-hover);
                    transform: translateY(-2px);
                    box-shadow: var(--shadow-md);
                }
            }
        }
    }
}

/* Floating Catalogue */
.floating-catalogue {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    
    & > .floating-btn {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 16px 28px;
        background: var(--secondary);
        color: white;
        text-decoration: none;
        border-radius: 50px;
        box-shadow: 0 5px 20px rgba(8, 102, 173, 0.3);
        transition: all 0.3s ease;
        border: 1px solid rgba(255, 255, 255, 0.1);
        
        &:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(8, 102, 173, 0.5);
            background: var(--secondary-hover);
        }
        
        & > .icon {
            font-size: 1.6em;
        }
        
        & > .text {
            font-weight: 500;
            font-size: 1em;
        }
    }
}

/* Responsive Design */
@media screen and (max-width: 1700px) {
    .fdr_hero > .fdr_transparent > .fdr_hero_grid {
        max-width: 90%;
    }
    
    .fdr_about > .fdr_about_grid,
    .fdr_materials_lab > .fdr_lab_grid,
    .fdr_capabilities > .fdr_capabilities_mosaic {
        max-width: 90%;
    }
}

@media screen and (max-width: 1440px) {
    .fdr_section_title {
        font-size: 2.2em;
    }
    
    .fdr_hero > .fdr_transparent > .fdr_hero_grid > .fdr_hero_content > .fdr_hero_title > .fdr_title_bold {
        font-size: 3em;
    }
    
    .fdr_capabilities > .fdr_capabilities_mosaic {
        grid-template-columns: repeat(3, 1fr);
        
        & > .fdr_mosaic_item.large {
            grid-column: span 1;
            grid-row: span 1;
        }
    }
    
    .fdr_tech_specs > .fdr_tech_container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .fdr_app_grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

@media screen and (max-width: 1200px) {
    .fdr_hero > .fdr_transparent > .fdr_hero_grid {
        grid-template-columns: 1fr;
        padding: 60px 0;
        
        & > .fdr_hero_visual {
            display: none;
        }
        
        & > .fdr_hero_content {
            text-align: center;
            
            & > .fdr_hero_text {
                margin-left: auto;
                margin-right: auto;
            }
            
            & > .fdr_hero_actions {
                justify-content: center;
            }
            
            & > .fdr_hero_metrics {
                justify-content: center;
            }
        }
    }
    
    .fdr_about > .fdr_about_grid {
        grid-template-columns: 1fr;
        gap: 50px;
        
        & > .fdr_about_visual > .fdr_about_exp {
            bottom: -20px;
            right: 20px;
        }
    }
    
    .fdr_materials_lab > .fdr_lab_grid {
        grid-template-columns: 1fr;
        gap: 50px;
        
        & > .fdr_lab_visual > .fdr_lab_badge {
            left: 20px;
            bottom: -20px;
        }
    }
    
    .fdr_capabilities > .fdr_capabilities_mosaic {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .fdr_quality_gallery > .fdr_quality_container > .fdr_quality_grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .fdr_contact_split {
        grid-template-columns: 1fr;
        
        & > .fdr_contact_visual {
            padding: 50px;
            
            & > .fdr_contact_info_card {
                max-width: 100%;
            }
        }
        
        & > .fdr_contact_form {
            padding: 50px;
        }
    }
}

@media screen and (max-width: 992px) {
    .fdr_capabilities > .fdr_capabilities_mosaic {
        grid-template-columns: 1fr;
        
        & > .fdr_mosaic_item {
            height: 280px;
        }
    }
    
    .fdr_app_grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .fdr_tech_specs > .fdr_tech_container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .fdr_hero {
        & > .fdr_transparent {
            & > .landing_fdr {
                & > .land_container {
                    width: 90%;
                }
            }
            & > .fdr_hero_grid {
                & > .fdr_hero_content {
                    & > .fdr_hero_badge {
                        display: none;
                    }
                }
            }
        }
    }
    .fdr_about {
        & > .fdr_about_grid {  
            max-width: 97%;          
            & > .fdr_about_visual {
                display: none;
                
                & > .fdr_about_exp {
                    position: absolute;
                    bottom: -30px;
                    right: 30px;
                    background: var(--primary);
                    color: white;
                    padding: 25px;
                    border-radius: var(--border-radius-md);
                    max-width: 220px;
                    box-shadow: var(--shadow-lg);
                    
                    & > span {
                        display: block;
                        font-size: 1.8em;
                        font-weight: 800;
                        margin-bottom: 5px;
                    }
                    
                    & > p {
                        opacity: 0.9;
                        line-height: 1.4;
                        font-size: 0.9em;
                    }
                }
            }
            
            & > .fdr_about_content {
                & > .fdr_about_text {
                    font-size: 1em;
                    line-height: 1.3;
                }
                
                & > .fdr_about_stats {
                    display: grid;
                    grid-template-columns: repeat(2, 1fr);
                    gap: 20px;
                    margin: 25px 0;
                    
                    & > .fdr_stat_block {
                        & > h4 {
                            font-size: 1.2em;
                        }
                        
                        & > p {
                            color: var(--text-muted);
                            font-size: 0.9em;
                        }
                    }
                }
            }
        }
    }

    .fdr_section_title {
        font-size: 1.8em;
    }
    
    .fdr_hero > .fdr_transparent > .fdr_hero_grid > .fdr_hero_content {
        padding: 30px;
        
        & > .fdr_hero_title > .fdr_title_bold {
            font-size: 2.2em;
        }
        
        & > .fdr_hero_text {
            font-size: 1em;
        }
        
        & > .fdr_hero_actions {
            flex-direction: column;
            gap: 15px;
            
            & > .fdr_btn_primary,
            & > .fdr_btn_secondary {
                width: 100%;
                text-align: center;
                padding: 14px 25px;
            }
        }
        
        & > .fdr_hero_metrics {
            display: none;
        }
    }
    
    .fdr_about > .fdr_about_grid > .fdr_about_visual > .fdr_about_image > .fdr_image_placeholder,
    .fdr_materials_lab > .fdr_lab_grid > .fdr_lab_visual > .fdr_lab_image > .fdr_image_placeholder {
        height: 300px;
    }
    
    .fdr_about > .fdr_about_grid > .fdr_about_visual > .fdr_about_exp {
        display: none;
    }
    
    .fdr_materials_lab > .fdr_lab_grid > .fdr_lab_visual > .fdr_lab_badge {
        position: relative;
        bottom: auto;
        left: auto;
        margin-top: 20px;
        text-align: center;
    }
    
    .fdr_quality_gallery > .fdr_quality_container > .fdr_quality_grid {
        grid-template-columns: 1fr;
    }
    
    .fdr_tech_specs > .fdr_tech_container {
        grid-template-columns: 1fr;
    }
    
    .fdr_app_grid {
        grid-template-columns: 1fr !important;
    }
    
    .fdr_contact_split > .fdr_contact_form {
        padding: 30px 20px;
        
        & > .fdr_form > .fdr_form_row {
            grid-template-columns: 1fr;
            gap: 0;
        }
    }
    
    .floating-catalogue > .floating-btn {
        padding: 12px 20px;
        
        & > .text {
            display: none;
        }
        
        & > .icon {
            font-size: 1.5em;
        }
    }
    .fdr_about > .fdr_about_grid, .fdr_materials_lab > .fdr_lab_grid, 
    .fdr_capabilities > .fdr_capabilities_mosaic {
        max-width: 100%;
    }

}

@media screen and (max-width: 576px) {
    .fdr_section_title {
        font-size: 1.6em;
    }
    
    .fdr_hero > .fdr_transparent > .fdr_hero_grid > .fdr_hero_content > .fdr_hero_title > .fdr_title_bold {
        font-size: 1.8em;
    }
    
    .fdr_about > .fdr_about_grid > .fdr_about_content > .fdr_about_stats {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 20px;
    }
    
    .fdr_about > .fdr_about_grid > .fdr_about_visual > .fdr_about_image > .fdr_image_placeholder,
    .fdr_materials_lab > .fdr_lab_grid > .fdr_lab_visual > .fdr_lab_image > .fdr_image_placeholder {
        height: 250px;
    }
    
    .fdr_capabilities > .fdr_capabilities_mosaic > .fdr_mosaic_item > .fdr_mosaic_content {
        
        & > h3 {
            font-size: 1.1em;
        }
        
        & > ul > li {
            font-size: 0.85em;
        }
    }
    
    .fdr_process_timeline > .fdr_timeline_scroll > .fdr_timeline_track {
        gap: 30px;
        padding: 0 20px;
        
        & > .fdr_timeline_node {
            width: 150px;
            
            &:not(:last-child)::after {
                right: -30px;
                width: 30px;
            }
            
            & > .fdr_node_marker {
                width: 60px;
                height: 60px;
                font-size: 1.2em;
            }
            
            & > .fdr_node_content > h4 {
                font-size: 1em;
            }
        }
    }
}

@media screen and (max-width: 480px) {
    .fdr_hero > .fdr_transparent > .fdr_hero_grid > .fdr_hero_content {
        padding: 20px;
    }
    
    .fdr_about > .fdr_about_grid > .fdr_about_content > .fdr_about_text {
        font-size: 1em;
    }
    
    .fdr_materials_lab > .fdr_lab_grid > .fdr_lab_content > .fdr_alloy_tabs > .fdr_tab {
        padding: 8px 12px;
        font-size: 0.9em;
    }
    
    .fdr_materials_lab > .fdr_lab_grid > .fdr_lab_content > .fdr_tab_panel > .fdr_alloy_list > .fdr_alloy_item {
        flex-direction: column;
        text-align: center;
        gap: 5px;
    }
    
    .fdr_tech_specs > .fdr_tech_container > .fdr_tech_card {
        padding: 30px 20px;
    }
    
    .fdr_contact_split > .fdr_contact_visual {
        padding: 30px 20px;
        
        & > .fdr_contact_info_card {
            padding: 30px 20px;
            
            & > h3 {
                font-size: 1.3em;
            }
        }
    }
}

@media screen and (max-width: 400px) {
    .fdr_section_title {
        font-size: 1.4em;
    }
    
    .fdr_hero > .fdr_transparent > .fdr_hero_grid > .fdr_hero_content > .fdr_hero_title > .fdr_title_light {
        font-size: 1.2em;
    }
    
    .fdr_hero > .fdr_transparent > .fdr_hero_grid > .fdr_hero_content > .fdr_hero_title > .fdr_title_bold {
        font-size: 1.5em;
    }
    
    .fdr_hero > .fdr_transparent > .fdr_hero_grid > .fdr_hero_content > .fdr_hero_metrics > .fdr_metric > .fdr_metric_value {
        font-size: 1.1em;
    }
    
    .fdr_about > .fdr_about_grid > .fdr_about_visual > .fdr_about_image > .fdr_image_placeholder,
    .fdr_materials_lab > .fdr_lab_grid > .fdr_lab_visual > .fdr_lab_image > .fdr_image_placeholder {
        height: 200px;
    }
    
    .fdr_process_timeline > .fdr_timeline_scroll > .fdr_timeline_track > .fdr_timeline_node {
        width: 130px;
        
        &:not(:last-child)::after {
            right: -25px;
            width: 25px;
        }
        
        & > .fdr_node_marker {
            width: 50px;
            height: 50px;
            font-size: 1em;
        }
        
        & > .fdr_node_content > h4 {
            font-size: 0.9em;
        }
        
        & > .fdr_node_content > p {
            font-size: 0.75em;
        }
    }

    .fdr_materials_lab {
        & > .fdr_lab_grid {
            & > .fdr_lab_visual {
                display: none;
            }
        }
    }
}

@media screen and (max-width: 320px) {
    .fdr_section_title {
        font-size: 1.3em;
    }
    
    .fdr_hero > .fdr_transparent > .fdr_hero_grid > .fdr_hero_content > .fdr_hero_title > .fdr_title_bold {
        font-size: 1.3em;
    }
    
    .fdr_hero > .fdr_transparent > .fdr_hero_grid > .fdr_hero_content > .fdr_hero_text {
        font-size: 0.9em;
    }
    
    .fdr_about > .fdr_about_grid > .fdr_about_content > .fdr_about_stats > .fdr_stat_block > h4 {
        font-size: 1.2em;
    }
    
    .fdr_contact_split > .fdr_contact_form > .fdr_form > input,
    .fdr_contact_split > .fdr_contact_form > .fdr_form > select,
    .fdr_contact_split > .fdr_contact_form > .fdr_form > textarea {
        font-size: 0.9em;
        padding: 10px 12px;
    }
}