:root {
    /* Heavy Industrial Palette */
    --bg-dark: #121212;
    --bg-steel: #1F2224;
    --bg-steel-light: #2A2D30;

    --text-main: #EAEAEA;
    --text-muted: #555555;
    --text-dark: #111827;

    --safety-orange: #FF5A00;
    --safety-orange-hover: #D94B00;
    --safety-yellow: #FFB800;
    --danger-red: #DC2626;

    --border-dim: #374151;
    --border-strong: #4B5563;

    --font-base: 'Oswald', system-ui, -apple-system, sans-serif;
    --font-body: 'Roboto', system-ui, -apple-system, sans-serif;

    --layout-max: 1200px;
    --transition: all 0.2s ease-in-out;

    --radius-xs: 2px;
    /* Extremely sharp */
    --radius-sm: 4px;
    /* Minimal rounding */
}

/* Base Body Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    background-image:
        linear-gradient(rgba(18, 18, 18, 0.95), rgba(18, 18, 18, 0.95)),
        url('data:image/svg+xml;utf8,<svg width="40" height="40" viewBox="0 0 40 40" xmlns="http://www.w3.org/2000/svg"><path d="M0 0h40v40H0V0zm20 20h20v20H20V20zM0 20h20v20H0V20z" fill="rgba(255,255,255,0.01)"/></svg>');
}

ul {
    list-style: none;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-base);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Mechanical Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: var(--bg-steel);
    border-bottom: 2px solid var(--border-strong);
    transition: var(--transition);
}

.logo {
    font-family: var(--font-base);
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background: var(--safety-orange);
    transform: rotate(45deg);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-family: var(--font-base);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 5px 0;
    border-bottom: 3px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
    color: #fff;
    border-bottom-color: var(--safety-orange);
}

.nav-icons {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.btn-nav-login {
    font-family: var(--font-base);
    font-size: 1rem;
    text-transform: uppercase;
    font-weight: 600;
    color: #fff;
}

.btn-nav-login:hover {
    color: var(--safety-orange);
}

.cart-icon-container {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-steel-light);
    border: 1px solid var(--border-dim);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-xs);
    font-family: var(--font-base);
    text-transform: uppercase;
    font-weight: 700;
    color: #fff;
}

.cart-icon-container:hover {
    background: var(--border-dim);
    border-color: var(--safety-orange);
}

.cart-count {
    background: var(--safety-orange);
    color: #fff;
    padding: 0.1rem 0.5rem;
    font-size: 0.9rem;
    font-family: var(--font-body);
    border-radius: var(--radius-xs);
}

/* Rugged Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-family: var(--font-base);
    font-size: 1.1rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    border-radius: var(--radius-xs);
    transition: var(--transition);
    text-align: center;
    border: 2px solid transparent;
}

.btn-solid {
    background: var(--safety-orange);
    color: #fff;
}

.btn-solid:hover {
    background: var(--safety-orange-hover);
}

.btn-outline {
    background: transparent;
    border-color: var(--safety-orange);
    color: var(--safety-orange);
}

.btn-outline:hover {
    background: var(--safety-orange);
    color: #fff;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 5% 4rem;
    position: relative;
    background-image: linear-gradient(rgba(18, 18, 18, 0.7), rgba(18, 18, 18, 0.9)), url('https://picsum.photos/1920/1080?random=24000');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    max-width: var(--layout-max);
    margin: 0 auto;
    align-items: center;
}

.hero-content {
    background: rgba(31, 34, 36, 0.85);
    backdrop-filter: blur(5px);
    padding: 4rem;
    border-left: 8px solid var(--safety-orange);
    border-radius: var(--radius-xs);
    max-width: 800px;
    box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.5);
}

.hero-content h1 {
    font-size: 4.5rem;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    color: #fff;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

/* Sections */
.section {
    padding: 8rem 5%;
}

.section-dark {
    background: var(--bg-steel);
    border-top: 1px solid var(--border-dim);
    border-bottom: 1px solid var(--border-dim);
}

.section-title {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
    text-align: center;
    color: #fff;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 4rem;
}

/* Heavy Machinery Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
    max-width: var(--layout-max);
    margin: 0 auto;
}

.product-card {
    background: var(--bg-steel);
    border: 1px solid var(--border-dim);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid var(--safety-orange);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6);
}

.product-card:hover::after {
    opacity: 1;
}

.product-img-wrapper {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    border-bottom: 4px solid var(--border-dim);
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
    filter: contrast(110%) brightness(90%);
}

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

.product-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-family: var(--font-base);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #1A1A1A;
    background: var(--safety-yellow);
    padding: 0.3rem 0.8rem;
    z-index: 2;
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.5);
}

.product-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.product-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    flex-grow: 1;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--border-dim);
}

.product-price {
    font-family: var(--font-base);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--safety-orange);
}

/* Page Headers */
.page-header {
    padding: 10rem 5% 4rem;
    text-align: center;
    background: linear-gradient(to bottom, var(--bg-steel), var(--bg-dark));
    border-bottom: 4px solid var(--safety-orange);
}

.page-header h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: #fff;
}

/* Forms */
.form-container {
    max-width: 650px;
    margin: 0 auto;
    background: var(--bg-steel);
    padding: 3.5rem;
    border: 1px solid var(--border-dim);
    box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.3);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-family: var(--font-base);
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-control {
    width: 100%;
    padding: 1.2rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-dim);
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--safety-orange);
    background: var(--bg-steel-light);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(255, 90, 0, 0.05);
    border-left: 4px solid var(--safety-orange);
}

.checkbox-group input {
    margin-top: 5px;
    transform: scale(1.2);
    accent-color: var(--safety-orange);
}

.checkbox-group label {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Dashboard/Cart Layout */
.cart-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 3rem;
    max-width: var(--layout-max);
    margin: 0 auto;
}

.data-panel {
    background: var(--bg-steel);
    border: 1px solid var(--border-dim);
    padding: 2.5rem;
}

.data-row {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-dim);
}

.data-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.data-row:first-child {
    padding-top: 0;
}

.row-img {
    width: 100px;
    height: 75px;
    object-fit: cover;
    border: 2px solid var(--border-dim);
}

.row-info {
    flex-grow: 1;
}

.row-title {
    font-family: var(--font-base);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    text-transform: uppercase;
}

.row-price {
    font-family: var(--font-base);
    font-weight: 700;
    color: var(--safety-orange);
    font-size: 1.1rem;
}

.qty-controls {
    display: flex;
    align-items: center;
    background: var(--bg-dark);
    border: 1px solid var(--border-dim);
}

.qty-btn {
    background: transparent;
    color: #fff;
    border: none;
    cursor: pointer;
    padding: 0.5rem 0.8rem;
    font-family: var(--font-base);
    font-size: 1.2rem;
}

.qty-btn:hover {
    background: var(--safety-orange);
    color: #fff;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-family: var(--font-base);
    text-transform: uppercase;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.summary-total {
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-strong);
    font-family: var(--font-base);
    font-size: 1.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #fff;
}

/* Product Details */
.metric-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: var(--layout-max);
    margin: 0 auto;
}

.detail-img-container {
    border: 8px solid var(--bg-steel);
    box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.5);
}

.detail-img {
    width: 100%;
    display: block;
    filter: contrast(110%);
}

.detail-controls {
    display: flex;
    gap: 1rem;
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border-dim);
}

/* Content Elements */
.doc-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-steel);
    padding: 4rem;
    border: 1px solid var(--border-dim);
}

.doc-content h2 {
    font-size: 1.8rem;
    margin: 2.5rem 0 1rem;
    color: var(--safety-orange);
}

.doc-content p,
.doc-content li {
    color: var(--text-muted);
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
}

.doc-content ul {
    list-style: square;
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.doc-content li::marker {
    color: var(--safety-orange);
}

/* Industrial Footer */
footer {
    border-top: 4px solid var(--safety-orange);
    background: var(--bg-steel);
    padding: 6rem 5% 2rem;
    margin-top: 5rem;
}

.foot-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    max-width: var(--layout-max);
    margin: 0 auto;
}

.foot-label {
    font-family: var(--font-base);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #fff;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-dim);
    padding-bottom: 0.5rem;
}

.foot-col a {
    display: block;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
}

.foot-col a:hover {
    color: var(--safety-orange);
    padding-left: 5px;
}

.foot-bottom {
    max-width: var(--layout-max);
    margin: 5rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid var(--border-dim);
    display: flex;
    justify-content: space-between;
    color: var(--border-strong);
    font-family: var(--font-base);
    text-transform: uppercase;
    font-size: 0.9rem;
}

/* System Toasts */
#toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.toast {
    background: var(--safety-orange);
    color: #111;
    padding: 1.2rem 2rem;
    font-family: var(--font-base);
    font-size: 1rem;
    text-transform: uppercase;
    font-weight: 700;
    box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideInRight 0.3s ease forwards, fadeOut 0.3s ease 3s forwards;
    border: 2px solid #111;
}

.toast::before {
    content: '✓ SYSTEM: ';
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
    }
}

/* Scroll Animations */








@media (max-width: 900px) {
    .nav-links {
        display: none;
    }

    .hero-grid,
    .cart-layout,
    .metric-grid,
    .foot-grid,
    .doc-content {
        grid-template-columns: 1fr;
        padding: 2rem;
    }

    .hero-content h1 {
        font-size: 3rem;
    }
}
/* --- Visibility Protocol CSS --- */
.reveal {
    opacity: 1;
    transform: none;
    transition: all 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.reveal.js-hidden {
    opacity: 0;
    transform: translateY(40px);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}