@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&family=Outfit:wght@300;400;600&family=Roboto+Mono:wght@400;500&display=swap');

:root {
    /* Color Palette - Stealth Industrial */
    --vsh-graphite: #1A1A1A;
    /* Deep Background */
    --vsh-slate: #262626;
    /* Secondary Background */
    --vsh-cool-grey: #E5E5E5;
    /* Primary Text */
    --vsh-dim-grey: #808080;
    /* Secondary Text */
    --vsh-orange: #CC5500;
    /* Muted Safety Orange */
    --vsh-black: #050505;
    /* Deep shadows/accents */

    /* Semantic Colors */
    --bg-body: var(--vsh-graphite);
    --bg-card: var(--vsh-slate);
    --text-primary: var(--vsh-cool-grey);
    --text-secondary: var(--vsh-dim-grey);
    --accent-core: var(--vsh-orange);
    --border-tech: rgba(229, 229, 229, 0.1);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    /* Typography */
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    /* Unified technical look */
    --font-mono: 'Roboto Mono', monospace;

    /* Transitions */
    --transition-linear: transform 0.3s linear, opacity 0.3s linear;
    --transition-mechanical: all 0.2s cubic-bezier(0.2, 0, 0, 1);
    /* Snappier, more mechanical */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-body);
    /* Brutalist Texture Overlay */
    background-image: url('./assets/dark_concrete_texture_brutalist_1768628356371.png');
    background-blend-mode: overlay;
    background-size: cover;
    background-attachment: fixed;

    color: var(--text-primary);
    font-family: var(--font-body);
    margin: 0;
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    caret-color: var(--accent-core);
    /* Glowing orange cursor */
}

#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.6;
    mix-blend-mode: screen;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: -0.02em;
    /* Tighter, heavier feel */
    font-weight: 800;
}

.mono {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-core);
}

/* Technical Grade Image Filter */
.tech-grade {
    filter: grayscale(80%) contrast(120%) brightness(0.9);
    transition: var(--transition-mechanical);
}

.tech-grade:hover {
    filter: grayscale(0%) contrast(110%) brightness(1);
}

/* Layout Utilities */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

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

/* Industrial Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--space-md);
}

.bento-card {
    background: var(--bg-card);
    border: 1px solid var(--border-tech);
    padding: var(--space-md);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
    will-change: transform, box-shadow;
    text-decoration: none;
    color: inherit;
    display: block;
}

.bento-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px -10px rgba(0, 0, 0, 0.6);
    border-color: var(--vsh-rust);
    z-index: 1;
}

/* Image Parallax Effect */
.bento-card img {
    transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.bento-card:hover img {
    transform: scale(1.05);
}

/* Navigation */
nav {
    border-bottom: 1px solid var(--border-tech);
    padding: var(--space-sm) 0;
    position: sticky;
    top: 0;
    background: rgba(26, 26, 26, 0.95);
    /* darkened backdrop */
    backdrop-filter: blur(10px);
    z-index: 1000;
}

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

.nav-links {
    display: flex;
    gap: var(--space-md);
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    transition: color 0.2s ease;
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    gap: 12px;
}

.logo-icon {
    max-height: 90px;
    /* Slightly larger for the PNG to look right */
    width: auto;
    object-fit: contain;
}

.logo-text-group {
    display: flex;
    flex-direction: column;
    font-size: 1.05rem;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    text-transform: uppercase;
}

.logo-subtitle {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    opacity: 0.9;
    text-transform: uppercase;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    transition: var(--transition-mechanical);
    cursor: pointer;
    border: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(204, 85, 0, 0.2);
}

.btn-primary {
    background-color: var(--accent-core);
    color: var(--white);
    /* specific override for readability on orange */
}

.btn-primary:hover {
    background-color: var(--vsh-slate);
    color: var(--accent-core);
}

.btn-outline {
    border: 1px solid var(--text-primary);
    color: var(--text-primary);
    background: transparent;
}

.btn-outline:hover {
    background-color: var(--accent-core);
    border-color: var(--accent-core);
    color: var(--white);
}

/* Split-Screen Hero */
.hero-split {
    display: flex;
    height: 90vh;
    border-bottom: 1px solid var(--border-tech);
}

.hero-pane {
    flex: 1;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-lg);
}

.hero-pane.left {
    background-color: #000;
}

.hero-pane.right {
    background-color: var(--vsh-slate);
    border-left: 1px solid var(--border-tech);
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    /* Darker initial state */
    transition: var(--transition-mechanical);
    filter: grayscale(100%) contrast(1.2);
    /* Base technical look */
}

.hero-pane:hover .hero-image {
    transform: scale(1.02);
    opacity: 0.7;
    filter: grayscale(0%) contrast(1.1);
    /* Reveal on hover */
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-pane.left .hero-content {
    color: var(--text-primary);
}

/* Utility Widgets */
.utility-bar {
    background: var(--vsh-slate);
    color: var(--text-primary);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-tech);
}

.spec-check-bar {
    display: flex;
    gap: var(--space-md);
    align-items: flex-end;
}

.spec-check-item {
    flex: 1;
}

.spec-check-item label {
    display: block;
    font-size: 0.7rem;
    color: var(--accent-core);
    margin-bottom: 0.3rem;
    text-transform: uppercase;
}

.spec-check-item select {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--vsh-dim-grey);
    color: var(--text-primary);
    padding: 0.5rem;
    font-family: var(--font-mono);
}

/* Tricolor Precision Bar */
.tricolor-bar {
    height: 3px;
    width: 100%;
    background: linear-gradient(to right,
            var(--vsh-rust) 0%, var(--vsh-rust) 33%,
            var(--vsh-concrete) 33%, var(--vsh-concrete) 66%,
            var(--vsh-forest) 66%, var(--vsh-forest) 100%);
    margin: 0;
    border: none;
    opacity: 0.8;
}

/* Compliance Card Tint */
.card-compliance {
    background-color: var(--vsh-slate);
    background-image: linear-gradient(to bottom right, rgba(27, 77, 62, 0.3), transparent);
    border-left: 2px solid var(--vsh-forest) !important;
}

/* Footer - Technical */
footer {
    background: var(--bg-card);
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border-tech);
    margin-top: var(--space-xl);
}

/* Responsive Overrides */
@media (max-width: 900px) {
    nav .container {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .nav-links {
        flex-wrap: wrap;
        gap: var(--space-sm);
        justify-content: flex-start;
    }

    .logo {
        margin-bottom: var(--space-xs);
    }
}

@media (max-width: 768px) {
    :root {
        --space-xl: 4rem;
        --space-lg: 3rem;
    }

    .container {
        padding: 0 var(--space-sm);
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        gap: var(--space-xs);
        padding-top: var(--space-sm);
        border-top: 1px solid var(--border-tech);
    }

    .nav-links a {
        display: block;
        padding: var(--space-xs) 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .lang-switcher {
        width: 100%;
        text-align: right;
        margin-top: var(--space-sm);
    }

    .bento-grid {
        display: flex;
        flex-direction: column;
        gap: var(--space-md);
    }

    .bento-card {
        margin: 0 !important;
        grid-column: auto !important;
        width: 100%;
    }

    h1 {
        font-size: 2rem !important;
    }

    h2 {
        font-size: 1.5rem;
    }

    .hero-split {
        flex-direction: column;
        height: auto;
    }

    .hero-pane {
        height: 50vh;
        width: 100%;
    }
}

/* --- REFACTORED UTILITIES --- */

/* Standardized Section Headers */
.section-header {
    margin: var(--space-lg) 0;
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-tech);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.section-header h2 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin: 0;
}

.section-header .tag {
    font-family: var(--font-mono);
    opacity: 0.5;
    font-size: 0.85rem;
}

/* Product Cards - Standardized Tags */
.product-tag {
    color: var(--accent-core);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    display: block;
    margin-bottom: 4px;
    letter-spacing: 0.05em;
}

/* Tech Badges (Absolute positioning) */
.tech-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: 2px 8px;
    font-size: 0.7rem;
    z-index: 2;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.tech-badge.outline {
    border: 1px solid var(--border-tech);
    color: var(--text-secondary);
}

.tech-badge.outline-accent {
    border: 1px solid var(--accent-core);
    color: var(--accent-core);
}

.tech-badge.solid {
    background: var(--accent-core);
    color: #000;
    font-weight: 700;
}

/* Specs Grid */
.specs-list {
    border-top: 1px solid var(--border-tech);
    padding-top: var(--space-sm);
    margin-top: auto;
    /* Push to bottom if flex column */
    list-style: none;
    font-size: 0.8rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.specs-list li {
    display: flex;
    gap: 0.5em;
}

.specs-list .label {
    font-family: var(--font-mono);
    opacity: 0.7;
}

/* --- HOMEPAGE SPECIFIC --- */

.value-title {
    margin-top: var(--space-sm);
}

.value-desc {
    margin-top: var(--space-md);
    max-width: 600px;
    color: var(--text-secondary);
}

/* --- SHARED FOOTER --- */
.footer-company-info {
    margin-top: var(--space-sm);
    opacity: 0.6;
    font-family: var(--font-mono);
    font-size: 0.7rem;
}

.footer-link {
    color: var(--text-secondary);
    display: block;
    text-decoration: none;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

.footer-link:hover {
    color: var(--accent-core);
}

.footer-link-active {
    color: var(--accent-core);
    display: block;
    text-decoration: none;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}


.footer-status {
    margin-top: var(--space-xl);
    border-top: 1px solid var(--border-tech);
    padding-top: var(--space-md);
    font-size: 0.7rem;
    opacity: 0.4;
}

/* --- PAGE HEADERS (Solutions / Hub) --- */
.page-header {
    background: var(--bg-body);
    padding: var(--space-xl) 0;
    border-bottom: 1px solid var(--border-tech);
}

.page-subtitle {
    font-family: var(--font-mono);
    color: var(--accent-core);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.page-title {
    max-width: 900px;
}

.page-desc {
    max-width: 600px;
    margin-top: var(--space-md);
    color: var(--text-secondary);
}

/* --- PRODUCT DETAIL PAGES --- */

.product-hero {
    padding-top: calc(var(--space-xl) + 60px);
    padding-bottom: var(--space-lg);
    background: linear-gradient(to bottom, var(--vsh-graphite), var(--vsh-slate));
    border-bottom: 1px solid var(--border-tech);
}

.product-breadcrumb {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
}

.product-breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.product-breadcrumb a:hover {
    color: var(--accent-core);
}

.product-main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    padding: var(--space-xl) 0;
}

.product-gallery-main {
    width: 100%;
    aspect-ratio: 4/3;
    background: #000;
    border: 1px solid var(--border-tech);
    margin-bottom: var(--space-sm);
    overflow: hidden;
}

.product-gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info h1 {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.product-desc {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

/* Tech Specs Section */
.tech-specs-section {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--border-tech);
}

.tech-list {
    list-style: none;
    padding: 0;
}

.tech-list li {
    padding: var(--space-xs) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: flex-start;
}

.tech-list li::before {
    content: "▹";
    color: var(--accent-core);
    margin-right: var(--space-sm);
}

/* Contact Section */
.contact-section {
    background: var(--vsh-slate);
    padding: var(--space-xl) 0;
    margin-top: var(--space-xl);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

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

.form-group label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-tech);
    padding: 0.8rem;
    color: var(--text-primary);
    font-family: var(--font-body);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-core);
}

.form-full {
    grid-column: span 2;
}

@media (max-width: 768px) {
    .product-main-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        grid-template-columns: 1fr;
    }

    .form-full {
        grid-column: span 1;
    }
}