/* =============================================================================
   JAC LUBRICANTS — DESIGN SYSTEM
   Official Brand Identity Stylesheet
   ============================================================================= */

/* -----------------------------------------------------------------------------
   1. DESIGN TOKENS
   ----------------------------------------------------------------------------- */

:root {
    /* — Brand Colors — */
    --jac-green:   #00AE4D;
    --jac-yellow:  #FAED22;
    --jac-black:   #000000;
    --jac-white:   #FFFFFF;
    --jac-charcoal:#141B21;

    /* — Semantic Color Tokens — */
    --color-primary:     var(--jac-green);
    --color-accent:      var(--jac-yellow);
    --color-dark:        var(--jac-charcoal);
    --color-text:        #171717;
    --color-text-muted:  #64748B;
    --color-text-light:  #94A3B8;
    --color-background:  #FFFFFF;
    --color-surface:     #F7F8F8;
    --color-border:      #E3E6E5;

    /* — Green tints — */
    --green-05: rgba(0, 174, 77, 0.05);
    --green-10: rgba(0, 174, 77, 0.10);
    --green-20: rgba(0, 174, 77, 0.20);
    --green-80: rgba(0, 174, 77, 0.80);

    /* — Yellow tints — */
    --yellow-10: rgba(250, 237, 34, 0.10);
    --yellow-20: rgba(250, 237, 34, 0.20);

    /* — Dark overlays — */
    --dark-60: rgba(20, 27, 33, 0.60);
    --dark-80: rgba(20, 27, 33, 0.80);
    --dark-95: rgba(20, 27, 33, 0.95);

    /* — Typography — */
    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

    /* — Type Scale — */
    --text-xs:   0.75rem;
    --text-sm:   0.875rem;
    --text-base: 1rem;
    --text-lg:   1.125rem;
    --text-xl:   1.25rem;
    --text-2xl:  1.5rem;
    --text-3xl:  1.875rem;
    --text-4xl:  2.25rem;
    --text-5xl:  3rem;
    --text-6xl:  3.75rem;
    --text-7xl:  4.5rem;

    /* — Font Weights — */
    --weight-light:    300;
    --weight-regular:  400;
    --weight-medium:   500;
    --weight-semibold: 600;
    --weight-bold:     700;
    --weight-extrabold:800;
    --weight-black:    900;

    /* — Spacing — */
    --space-1:  0.25rem;
    --space-2:  0.5rem;
    --space-3:  0.75rem;
    --space-4:  1rem;
    --space-5:  1.25rem;
    --space-6:  1.5rem;
    --space-8:  2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* — Border Radius — */
    --radius-sm:   4px;
    --radius-md:   8px;
    --radius-lg:   12px;
    --radius-xl:   16px;
    --radius-full: 9999px;

    /* — Shadows — */
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md:  0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
    --shadow-lg:  0 10px 25px rgba(0,0,0,0.10), 0 4px 10px rgba(0,0,0,0.06);
    --shadow-xl:  0 20px 40px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.08);
    --shadow-green: 0 4px 20px rgba(0, 174, 77, 0.25);

    /* — Transitions — */
    --ease-base: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-in:   cubic-bezier(0.4, 0, 1, 1);
    --ease-out:  cubic-bezier(0, 0, 0.2, 1);
    --duration-fast: 150ms;
    --duration-base: 250ms;
    --duration-slow: 400ms;

    /* — Layout — */
    --container-max: 1280px;
    --container-wide: 1440px;
    --container-pad: clamp(1rem, 4vw, 2rem);
    --header-height: 72px;
}

/* -----------------------------------------------------------------------------
   2. RESET & BASE
   ----------------------------------------------------------------------------- */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: var(--weight-regular);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

ul, ol {
    list-style: none;
}

input, textarea, select {
    font-family: inherit;
}

/* -----------------------------------------------------------------------------
   3. LAYOUT UTILITIES
   ----------------------------------------------------------------------------- */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

.container--wide {
    max-width: var(--container-wide);
}

.section {
    padding-block: var(--space-24);
}

.section--sm {
    padding-block: var(--space-16);
}

.section--lg {
    padding-block: var(--space-32);
}

/* Section Headers */
.section-header {
    margin-bottom: var(--space-16);
}

.section-header--center {
    text-align: center;
    max-width: 640px;
    margin-inline: auto;
    margin-bottom: var(--space-16);
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--jac-green);
    margin-bottom: var(--space-4);
}

.section-tag::before {
    content: '';
    display: block;
    width: 20px;
    height: 2px;
    background: var(--jac-green);
    flex-shrink: 0;
}

.section-title {
    font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
    font-weight: var(--weight-bold);
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.section-title--light {
    color: var(--jac-white);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    line-height: 1.6;
    max-width: 560px;
}

.section-subtitle--light {
    color: rgba(255,255,255,0.65);
}

/* Text Utilities */
.text-green  { color: var(--jac-green); }
.text-yellow { color: var(--jac-yellow); }
.text-white  { color: var(--jac-white); }
.text-muted  { color: var(--color-text-muted); }

/* -----------------------------------------------------------------------------
   4. BUTTON SYSTEM
   ----------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.6875rem 1.5rem;
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.01em;
    line-height: 1;
    border-radius: var(--radius-sm);
    transition:
        background-color var(--duration-fast) var(--ease-base),
        color var(--duration-fast) var(--ease-base),
        border-color var(--duration-fast) var(--ease-base),
        box-shadow var(--duration-fast) var(--ease-base),
        transform var(--duration-fast) var(--ease-base);
    white-space: nowrap;
    cursor: pointer;
    border: 1.5px solid transparent;
    text-decoration: none;
}

.btn:active {
    transform: translateY(1px);
}

/* Primary — JAC Green */
.btn-primary {
    background: var(--jac-green);
    color: var(--jac-white);
    border-color: var(--jac-green);
}
.btn-primary:hover {
    background: #009940;
    border-color: #009940;
    box-shadow: var(--shadow-green);
}

/* Secondary — Green outline */
.btn-secondary {
    background: transparent;
    color: var(--jac-green);
    border-color: var(--jac-green);
}
.btn-secondary:hover {
    background: var(--green-10);
}

/* Dark */
.btn-dark {
    background: var(--jac-charcoal);
    color: var(--jac-white);
    border-color: var(--jac-charcoal);
}
.btn-dark:hover {
    background: #0D1117;
    box-shadow: var(--shadow-lg);
}

/* Outline White — for dark backgrounds */
.btn-outline-white {
    background: transparent;
    color: var(--jac-white);
    border-color: rgba(255,255,255,0.4);
}
.btn-outline-white:hover {
    background: rgba(255,255,255,0.10);
    border-color: rgba(255,255,255,0.7);
}

/* Accent — Yellow, used sparingly */
.btn-accent {
    background: var(--jac-yellow);
    color: var(--jac-charcoal);
    border-color: var(--jac-yellow);
    font-weight: var(--weight-bold);
}
.btn-accent:hover {
    background: #e8d800;
    border-color: #e8d800;
}

/* Sizes */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--text-xs);
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: var(--text-base);
}

/* Icon arrow button */
.btn-arrow {
    background: none;
    border: none;
    color: var(--jac-green);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    padding: 0;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: gap var(--duration-fast) var(--ease-base), color var(--duration-fast) var(--ease-base);
}
.btn-arrow:hover {
    gap: var(--space-3);
}
.btn-arrow .arrow {
    transition: transform var(--duration-fast) var(--ease-base);
}
.btn-arrow:hover .arrow {
    transform: translateX(4px);
}

/* -----------------------------------------------------------------------------
   5. SITE HEADER
   ----------------------------------------------------------------------------- */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--jac-charcoal);
    height: var(--header-height);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: background var(--duration-base) var(--ease-base),
                box-shadow var(--duration-base) var(--ease-base);
}

.site-header.scrolled {
    background: rgba(20, 27, 33, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.06), var(--shadow-xl);
}

.header-inner {
    display: flex;
    align-items: center;
    height: var(--header-height);
    gap: var(--space-8);
}

/* Logo */
.header-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.logo-img {
    height: 52px;
    width: auto;
    display: block;
    object-fit: contain;
    border-radius: 3px;
}

.nav-search-wrap {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: min(220px, 100%);
    padding: 0.55rem 0.75rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-full);
    color: rgba(255,255,255,0.7);
    margin-right: var(--space-4);
}

.header-search {
    display: flex;
    min-width: 150px;
}

.nav-search-wrap svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.nav-search-wrap input {
    width: 100%;
    background: transparent;
    border: 0;
    outline: none;
    color: var(--jac-white);
    font-size: 0.85rem;
}

.nav-search-wrap input::placeholder {
    color: rgba(255,255,255,0.55);
}

/* Nav */
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-4);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: rgba(255,255,255,0.75);
    border-radius: var(--radius-sm);
    transition: color var(--duration-fast) var(--ease-base),
                background var(--duration-fast) var(--ease-base);
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--jac-white);
    background: rgba(255,255,255,0.07);
}

.nav-link.active {
    color: var(--jac-green);
}

/* Dropdown indicator */
.nav-item.has-dropdown > .nav-link::after {
    content: '';
    display: block;
    width: 12px;
    height: 12px;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='rgba(255,255,255,0.6)' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    transition: transform var(--duration-fast) var(--ease-base);
    flex-shrink: 0;
}

.nav-item.has-dropdown:hover > .nav-link::after {
    transform: rotate(180deg);
}

/* Dropdown */
.dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 220px;
    background: var(--jac-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--duration-fast) var(--ease-base),
                transform var(--duration-fast) var(--ease-base),
                visibility var(--duration-fast) var(--ease-base);
    transform: translateX(-50%) translateY(-4px);
}

.nav-item.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.dropdown a {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: background var(--duration-fast) var(--ease-base), color var(--duration-fast) var(--ease-base);
}

.dropdown a:hover {
    background: var(--green-05);
    color: var(--jac-green);
}

/* Header CTA */
.header-actions {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Mobile toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--jac-white);
    border-radius: 2px;
    transition: transform var(--duration-base) var(--ease-base),
                opacity var(--duration-base) var(--ease-base);
}

.mobile-menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.mobile-menu-toggle.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.mobile-menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* -----------------------------------------------------------------------------
   8. PRODUCT CATEGORIES
   ----------------------------------------------------------------------------- */

.product-categories {
    background: var(--color-background);
    padding-block: var(--space-20);
    position: relative;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3px;
    margin-top: var(--space-10);
    align-items: start;
}

/* Step 1 — top-level lubricant family cards */
.family-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.family-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-6);
    text-align: left;
    width: 100%;
    padding: var(--space-8) var(--space-7);
    cursor: pointer;
    overflow: hidden;
    background: var(--jac-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: 0 1px 2px rgba(16, 24, 32, 0.04);
    transition: border-color var(--duration-base) var(--ease-base),
                box-shadow var(--duration-base) var(--ease-base),
                transform var(--duration-base) var(--ease-out);
}

/* Accent rail that fills in on hover / when active */
.family-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--jac-green), rgba(250, 237, 34, 0.9));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform var(--duration-base) var(--ease-out);
}

.family-card:hover::before,
.family-card.active::before {
    transform: scaleY(1);
}

.family-card:hover,
.family-card.active {
    border-color: rgba(0, 174, 77, 0.32);
    box-shadow: 0 16px 40px -18px rgba(0, 60, 28, 0.35);
    transform: translateY(-3px);
}

.family-card-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 25%, rgba(0, 174, 77, 0.14), rgba(0, 174, 77, 0.04));
    transition: transform var(--duration-base) var(--ease-out),
                background var(--duration-base) var(--ease-base);
}

.family-card:hover .family-card-icon,
.family-card.active .family-card-icon {
    transform: scale(1.05);
    background: radial-gradient(circle at 30% 25%, rgba(0, 174, 77, 0.22), rgba(0, 174, 77, 0.06));
}

.family-card-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.family-card-name {
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: var(--color-text);
    letter-spacing: -0.02em;
    transition: color var(--duration-base) var(--ease-base);
}

.family-card:hover .family-card-name,
.family-card.active .family-card-name {
    color: var(--jac-green);
}

.family-card-desc {
    font-size: var(--text-sm);
    color: #6A7370;
    line-height: 1.6;
}

/* Chevron affordance in the top-right corner */
.family-card::after {
    content: '';
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    width: 9px;
    height: 9px;
    border-right: 2px solid rgba(0, 174, 77, 0.55);
    border-bottom: 2px solid rgba(0, 174, 77, 0.55);
    transform: rotate(45deg);
    transition: transform var(--duration-base) var(--ease-out),
                border-color var(--duration-base) var(--ease-base);
}

.family-card.active::after {
    transform: rotate(-135deg);
    border-color: var(--jac-green);
}

.family-panel[hidden] {
    display: none;
}

.family-panel {
    animation: family-panel-in 0.35s var(--ease-out) both;
}

@keyframes family-panel-in {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Step 2a — automotive product type cards */
.type-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    margin-top: var(--space-8);
}

.type-card {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    min-height: 96px;
    padding: var(--space-5) var(--space-6);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    line-height: 1.35;
    letter-spacing: -0.01em;
    color: var(--color-text);
    text-decoration: none;
    background: var(--jac-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 2px rgba(16, 24, 32, 0.04);
    transition: border-color var(--duration-base) var(--ease-base),
                box-shadow var(--duration-base) var(--ease-base),
                transform var(--duration-base) var(--ease-out),
                color var(--duration-base) var(--ease-base);
}

.type-card::after {
    content: '';
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    border-right: 2px solid rgba(0, 174, 77, 0.5);
    border-top: 2px solid rgba(0, 174, 77, 0.5);
    transform: rotate(45deg);
    transition: transform var(--duration-base) var(--ease-out),
                border-color var(--duration-base) var(--ease-base);
}

.type-card:hover {
    border-color: rgba(0, 174, 77, 0.32);
    box-shadow: 0 14px 32px -18px rgba(0, 60, 28, 0.4);
    transform: translateY(-3px);
    color: var(--jac-green);
}

.type-card:hover::after {
    transform: rotate(45deg) translate(3px, -3px);
    border-color: var(--jac-green);
}

/* Article wrapper — no fixed height so panel can expand below the tile */
.category-tile {
    display: block;
}

/* The clickable tile button — keeps the original dark photo-tile look */
.category-tile-toggle {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    display: block;
    width: 100%;
    cursor: pointer;
    background: #131a20;
    border: none;
    padding: 0;
    transition: background-size 0.55s ease;
    background-size: cover;
}

/* Subtle diagonal line texture */
.category-tile-toggle::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 24px,
        rgba(255,255,255,0.012) 24px,
        rgba(255,255,255,0.012) 25px
    );
    z-index: 0;
}

/* Green overlay — shown on hover and when tile is open */
.category-tile-toggle::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 174, 77, 0);
    border-bottom: 3px solid transparent;
    transition:
        background var(--duration-base) var(--ease-base),
        border-color var(--duration-base) var(--ease-base);
    z-index: 2;
    pointer-events: none;
}

.category-tile:hover .category-tile-toggle::after,
.category-tile.open .category-tile-toggle::after {
    background: rgba(0, 174, 77, 0.10);
    border-bottom-color: var(--jac-green);
}

/* Industrial photo per tile — same specificity (0,3,0) as zoom rule, comes before so zoom wins on hover */
.category-tile:nth-child(1) .category-tile-toggle { background: linear-gradient(160deg,rgba(10,14,18,0.80) 0%,rgba(18,12,6,0.80) 100%), url('https://images.unsplash.com/photo-1565793979697-0cbcd6dbd56c?auto=format&fit=crop&w=700&q=65') center/cover; }
.category-tile:nth-child(2) .category-tile-toggle { background: linear-gradient(160deg,rgba(6,16,12,0.80) 0%,rgba(8,16,14,0.80) 100%), url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=700&q=65') center/cover; }
.category-tile:nth-child(3) .category-tile-toggle { background: linear-gradient(160deg,rgba(20,12,8,0.80) 0%,rgba(14,12,12,0.80) 100%), url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=700&q=65') center/cover; }
.category-tile:nth-child(4) .category-tile-toggle { background: linear-gradient(160deg,rgba(6,16,26,0.80) 0%,rgba(10,18,24,0.80) 100%), url('https://images.unsplash.com/photo-1568027762272-e4da8b386fe9?auto=format&fit=crop&w=700&q=65') center/cover; }
.category-tile:nth-child(5) .category-tile-toggle { background: linear-gradient(160deg,rgba(10,16,24,0.80) 0%,rgba(8,16,12,0.80) 100%), url('https://images.unsplash.com/photo-1581092160562-0df5597f3a23?auto=format&fit=crop&w=700&q=65') center/cover; }
.category-tile:nth-child(6) .category-tile-toggle { background: linear-gradient(160deg,rgba(20,16,10,0.80) 0%,rgba(14,12,12,0.80) 100%), url('https://images.unsplash.com/photo-1618477460930-d8359ba5c2e7?auto=format&fit=crop&w=700&q=65') center/cover; }
.category-tile:nth-child(7) .category-tile-toggle { background: linear-gradient(160deg,rgba(6,16,26,0.80) 0%,rgba(10,18,20,0.80) 100%), url('https://images.unsplash.com/photo-1532996122724-e3c354a0b15b?auto=format&fit=crop&w=700&q=65') center/cover; }
.category-tile:nth-child(8) .category-tile-toggle { background: linear-gradient(160deg,rgba(14,12,12,0.80) 0%,rgba(18,12,14,0.80) 100%), url('https://images.unsplash.com/photo-1508919801845-fc2ae1bc2a28?auto=format&fit=crop&w=700&q=65') center/cover; }
.category-tile:nth-child(9) .category-tile-toggle { background: linear-gradient(160deg,rgba(6,14,20,0.80) 0%,rgba(10,14,18,0.80) 100%), url('https://images.unsplash.com/photo-1565793979697-0cbcd6dbd56c?auto=format&fit=crop&w=700&q=65') center/cover; }
.category-tile:nth-child(10) .category-tile-toggle { background: linear-gradient(160deg,rgba(20,10,6,0.80) 0%,rgba(16,10,8,0.80) 100%), url('https://images.unsplash.com/photo-1581092160562-0df5597f3a23?auto=format&fit=crop&w=700&q=65') center/cover; }
.category-tile:nth-child(11) .category-tile-toggle { background: linear-gradient(160deg,rgba(6,16,12,0.80) 0%,rgba(8,16,14,0.80) 100%), url('https://images.unsplash.com/photo-1568027762272-e4da8b386fe9?auto=format&fit=crop&w=700&q=65') center/cover; }

/* Photo zoom on hover / open — same specificity (0,3,0) as nth-child, placed after so it wins */
.category-tile:hover .category-tile-toggle,
.category-tile.open .category-tile-toggle {
    background-size: 112%;
}

.category-tile-body {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: var(--space-6) var(--space-5) var(--space-5);
    gap: var(--space-4);
}

.category-tile-icon {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--duration-base) var(--ease-out);
}

.category-tile:hover .category-tile-icon,
.category-tile.open .category-tile-icon {
    transform: scale(1.08);
}

.category-tile-name {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--jac-white);
    text-align: center;
    line-height: 1.35;
    letter-spacing: 0.01em;
    padding: var(--space-3) var(--space-4);
    background: rgba(0, 0, 0, 0.45);
    border-radius: var(--radius-sm);
    width: 100%;
    transition: color var(--duration-base) var(--ease-base),
                background var(--duration-base) var(--ease-base);
}

.category-tile:hover .category-tile-name,
.category-tile.open .category-tile-name {
    color: var(--jac-green);
    background: rgba(0, 0, 0, 0.65);
}

/* Sub-items panel — revealed below the tile on click */
.category-tile-panel {
    background: #0D1117;
    border-top: 2px solid var(--jac-green);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.category-tile.open .category-tile-panel {
    max-height: 400px;
}

.category-tile-panel ul {
    padding: var(--space-4) var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    list-style: none;
}

.category-tile-panel li {
    list-style: none;
}

.category-tile-panel li a {
    display: block;
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.78);
    padding: var(--space-2) var(--space-3);
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-sm);
    border-left: 2px solid rgba(0,174,77,0.45);
    line-height: 1.4;
    text-decoration: none;
    touch-action: manipulation;
    transition: background var(--duration-fast) var(--ease-base),
                border-color var(--duration-fast) var(--ease-base),
                color var(--duration-fast) var(--ease-base);
}

.category-tile-panel li a:hover {
    background: rgba(0,174,77,0.08);
    border-left-color: var(--jac-green);
    color: var(--jac-white);
}

/* -----------------------------------------------------------------------------
   9. VALUE PROPOSITION
   ----------------------------------------------------------------------------- */

.value-prop {
    background: var(--jac-charcoal);
    padding-block: var(--space-24);
    position: relative;
    overflow: hidden;
}

/* Subtle geo pattern on dark bg */
.value-prop::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,174,77,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,174,77,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

.value-prop::after {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0,174,77,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.value-prop-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-20);
    align-items: center;
}

.value-prop-left .section-tag {
    color: var(--jac-green);
}

.value-prop-left .section-tag::before {
    background: var(--jac-green);
}

.value-prop-text {
    font-size: var(--text-lg);
    color: rgba(255,255,255,0.55);
    line-height: 1.7;
    margin-top: var(--space-6);
}

.value-stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-1);
    margin-top: var(--space-10);
}

.value-stat {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.07);
    padding: var(--space-6);
    border-radius: var(--radius-md);
}

.value-stat-num {
    font-size: var(--text-3xl);
    font-weight: var(--weight-black);
    letter-spacing: -0.03em;
    color: var(--jac-green);
    line-height: 1;
    margin-bottom: var(--space-1);
}

.value-stat-label {
    font-size: var(--text-xs);
    color: rgba(255,255,255,0.4);
    font-weight: var(--weight-medium);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Feature list on right side */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.feature-item {
    display: flex;
    gap: var(--space-5);
    padding: var(--space-5) var(--space-6);
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    align-items: flex-start;
    transition: background var(--duration-fast) var(--ease-base),
                border-color var(--duration-fast) var(--ease-base);
}

.feature-item:hover {
    background: rgba(0,174,77,0.05);
    border-color: rgba(0,174,77,0.15);
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: var(--green-10);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    color: var(--jac-white);
    margin-bottom: var(--space-1);
    letter-spacing: -0.01em;
}

.feature-text p {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.45);
    line-height: 1.5;
}

/* -----------------------------------------------------------------------------
   10. INDUSTRIES
   ----------------------------------------------------------------------------- */

.industries {
    background: var(--color-background);
    padding-block: var(--space-24);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-12);
}

.industry-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--jac-charcoal);
    cursor: pointer;
}

.industry-bg {
    position: absolute;
    inset: 0;
    transition: transform var(--duration-slow) var(--ease-base);
}

/* Gradient background for each industry with subtle texture */
.industry-card[data-industry="automotive"] .industry-bg {
    background: linear-gradient(135deg, #0D1117 0%, #1a2a1a 100%);
}
.industry-card[data-industry="aerospace"] .industry-bg {
    background: linear-gradient(135deg, #0D1117 0%, #0a1a2e 100%);
}
.industry-card[data-industry="metalworking"] .industry-bg {
    background: linear-gradient(135deg, #141B21 0%, #1e1e1e 100%);
}
.industry-card[data-industry="heavy"] .industry-bg {
    background: linear-gradient(135deg, #0D1117 0%, #1a1200 100%);
}
.industry-card[data-industry="food"] .industry-bg {
    background: linear-gradient(135deg, #0D1117 0%, #001a0d 100%);
}
.industry-card[data-industry="general"] .industry-bg {
    background: linear-gradient(135deg, #141B21 0%, #1a1a2e 100%);
}

/* Angular geo pattern per card */
.industry-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,174,77,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,174,77,0.03) 1px, transparent 1px);
    background-size: 30px 30px;
}

.industry-card:hover .industry-bg {
    transform: scale(1.05);
}

.industry-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(13,17,23,0.95) 30%, rgba(13,17,23,0.3) 100%);
    z-index: 1;
}

.industry-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-6);
    z-index: 2;
}

.industry-icon {
    width: 40px;
    height: 40px;
    background: var(--green-10);
    border: 1px solid rgba(0,174,77,0.2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    transition: background var(--duration-fast) var(--ease-base);
}

.industry-card:hover .industry-icon {
    background: var(--green-20);
}

.industry-name {
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    color: var(--jac-white);
    letter-spacing: -0.01em;
    margin-bottom: var(--space-2);
}

.industry-desc {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.50);
    line-height: 1.5;
    margin-bottom: var(--space-4);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-slow) var(--ease-base),
                opacity var(--duration-slow) var(--ease-base);
    opacity: 0;
}

.industry-card:hover .industry-desc {
    max-height: 80px;
    opacity: 1;
}

.industry-arrow {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--jac-green);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity var(--duration-base) var(--ease-base),
                transform var(--duration-base) var(--ease-base);
}

.industry-card:hover .industry-arrow {
    opacity: 1;
    transform: translateY(0);
}

/* -----------------------------------------------------------------------------
   11. FEATURED PRODUCTS
   ----------------------------------------------------------------------------- */

.featured-products {
    background: var(--color-surface);
    padding-block: var(--space-24);
}

.products-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: var(--space-12);
    gap: var(--space-8);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-5);
}

.product-card {
    background: var(--jac-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition:
        transform var(--duration-base) var(--ease-out),
        box-shadow var(--duration-base) var(--ease-out),
        border-color var(--duration-base) var(--ease-base);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0,174,77,0.15);
}

.product-image-wrap {
    position: relative;
    background: var(--color-surface);
    aspect-ratio: 4/3;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Product image placeholder — angular pattern */
.product-image-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 8px,
            rgba(0,174,77,0.04) 8px,
            rgba(0,174,77,0.04) 9px
        );
}

.product-image-wrap:hover .product-image-placeholder {
    transform: scale(1.03);
    transition: transform var(--duration-slow) var(--ease-out);
}

.product-category-tag {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    padding: var(--space-1) var(--space-3);
    background: var(--green-10);
    border: 1px solid rgba(0,174,77,0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--jac-green);
    letter-spacing: 0.04em;
}

.product-body {
    padding: var(--space-6);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.product-name {
    font-size: var(--text-base);
    font-weight: var(--weight-bold);
    color: var(--color-text);
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.product-desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
    flex: 1;
}

.product-specs {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.product-spec-tag {
    padding: var(--space-1) var(--space-2);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: var(--weight-medium);
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
}

.product-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* -----------------------------------------------------------------------------
   12. TECHNICAL SECTION
   ----------------------------------------------------------------------------- */

.technical-section {
    background: #0D1117;
    padding-block: var(--space-24);
    position: relative;
    overflow: hidden;
}

.technical-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,174,77,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,174,77,0.025) 1px, transparent 1px);
    background-size: 48px 48px;
}

/* Large diagonal accent */
.technical-section::after {
    content: '';
    position: absolute;
    top: 0;
    right: -200px;
    width: 600px;
    height: 100%;
    background: linear-gradient(135deg, transparent 40%, rgba(0,174,77,0.03) 100%);
    clip-path: polygon(40% 0, 100% 0, 100% 100%, 0% 100%);
    pointer-events: none;
}

.technical-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-20);
    align-items: center;
}

.technical-specs {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.tech-spec-item {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    padding: var(--space-5) var(--space-6);
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    border-left: 3px solid transparent;
    border-radius: var(--radius-md);
    transition: border-left-color var(--duration-fast) var(--ease-base),
                background var(--duration-fast) var(--ease-base);
}

.tech-spec-item:hover {
    border-left-color: var(--jac-green);
    background: rgba(0,174,77,0.04);
}

.tech-spec-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--green-10);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    color: var(--jac-green);
}

.tech-spec-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.35);
    margin-bottom: var(--space-1);
}

.tech-spec-value {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--jac-white);
}

/* Certification grid */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    margin-top: var(--space-8);
}

.cert-badge {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius-md);
    padding: var(--space-4) var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.cert-dot {
    width: 8px;
    height: 8px;
    background: var(--jac-green);
    border-radius: 50%;
    flex-shrink: 0;
}

.cert-name {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: rgba(255,255,255,0.7);
    letter-spacing: -0.01em;
}

/* -----------------------------------------------------------------------------
   13. CONTACT / CTA SECTION
   ----------------------------------------------------------------------------- */

.contact-section {
    background: var(--color-background);
    padding-block: var(--space-24);
}

.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-20);
    align-items: flex-start;
}

.contact-left {
    padding-right: var(--space-8);
}

.contact-info-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    margin-top: var(--space-10);
}

.contact-info-item {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
}

.contact-info-icon {
    width: 40px;
    height: 40px;
    background: var(--green-10);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--jac-green);
}

.contact-info-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: var(--space-1);
}

.contact-info-value {
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    color: var(--color-text);
}

/* Contact Form */
.contact-form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}

.form-label {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.form-required {
    color: var(--jac-green);
    margin-left: var(--space-1);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.6875rem var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--color-text);
    background: var(--jac-white);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    transition:
        border-color var(--duration-fast) var(--ease-base),
        box-shadow var(--duration-fast) var(--ease-base);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--jac-green);
    box-shadow: 0 0 0 3px rgba(0,174,77,0.12);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-light);
}

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

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 6L8 10L12 6' stroke='%2364748B' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
    cursor: pointer;
}

.form-submit {
    width: 100%;
    margin-top: var(--space-2);
}

/* -----------------------------------------------------------------------------
   14. CTA BANNER
   ----------------------------------------------------------------------------- */

.cta-banner {
    background: var(--jac-charcoal);
    padding-block: var(--space-20);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.cta-banner::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0,174,77,0.08) 0%, transparent 60%);
    pointer-events: none;
}

/* Yellow triangle accent — subtle, inspired by logo */
.cta-banner::after {
    content: '';
    position: absolute;
    right: 10%;
    bottom: -40px;
    width: 160px;
    height: 160px;
    background: var(--jac-yellow);
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    opacity: 0.06;
    pointer-events: none;
}

.cta-banner-content {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin-inline: auto;
}

.cta-banner-title {
    font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
    font-weight: var(--weight-bold);
    letter-spacing: -0.02em;
    color: var(--jac-white);
    margin-bottom: var(--space-4);
    line-height: 1.15;
}

.cta-banner-subtitle {
    font-size: var(--text-lg);
    color: rgba(255,255,255,0.50);
    margin-bottom: var(--space-10);
    line-height: 1.6;
}

.cta-banner-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* -----------------------------------------------------------------------------
   15. FOOTER
   ----------------------------------------------------------------------------- */

/* Hidden on desktop — shown only inside the ≤768px breakpoint below */
.mobile-footer { display: none; }

.site-footer {
    background: #0D1117;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: var(--space-20);
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.4fr;
    gap: var(--space-12);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: block;
    margin-bottom: var(--space-5);
}

.footer-logo-img {
    height: 44px;
    width: auto;
    border-radius: 3px;
}

.footer-brand-desc {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.40);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social-link {
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.5);
    transition: background var(--duration-fast) var(--ease-base),
                color var(--duration-fast) var(--ease-base),
                border-color var(--duration-fast) var(--ease-base);
}

.footer-social-link:hover {
    background: var(--green-10);
    border-color: rgba(0,174,77,0.3);
    color: var(--jac-green);
}

.footer-col-title {
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.35);
    margin-bottom: var(--space-5);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.50);
    transition: color var(--duration-fast) var(--ease-base);
}

.footer-links a:hover {
    color: var(--jac-green);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    font-style: normal;
    margin-bottom: var(--space-5);
}

.footer-contact a,
.footer-contact span {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.50);
    line-height: 1.5;
}

.footer-contact a {
    transition: color var(--duration-fast) var(--ease-base);
}

.footer-contact a:hover {
    color: var(--jac-green);
}

.footer-contact-cta {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--jac-green);
    transition: color var(--duration-fast) var(--ease-base), gap var(--duration-fast);
}

.footer-contact-cta:hover {
    color: var(--jac-yellow);
}

/* Footer bottom bar */
.footer-bottom {
    padding-block: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.footer-copyright {
    font-size: var(--text-xs);
    color: rgba(255,255,255,0.25);
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-6);
}

.footer-bottom-links a {
    font-size: var(--text-xs);
    color: rgba(255,255,255,0.25);
    transition: color var(--duration-fast) var(--ease-base);
}

.footer-bottom-links a:hover {
    color: rgba(255,255,255,0.5);
}

/* Footer green accent line */
.footer-accent-line {
    height: 2px;
    background: linear-gradient(90deg, var(--jac-green) 0%, transparent 60%);
    margin-bottom: 0;
}

/* -----------------------------------------------------------------------------
   16. MISC COMPONENTS
   ----------------------------------------------------------------------------- */

/* Green dot separator */
.dot-sep {
    display: inline-block;
    width: 4px;
    height: 4px;
    background: var(--jac-green);
    border-radius: 50%;
    margin-inline: var(--space-2);
    vertical-align: middle;
}

/* Geometric divider — angular */
.section-divider {
    height: 48px;
    overflow: hidden;
    position: relative;
}

.section-divider::before {
    content: '';
    position: absolute;
    inset: 0;
    background: inherit;
    clip-path: polygon(0 0, 100% 0, 100% 30%, 0 100%);
}

/* Badge / Tag */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.04em;
}

.badge-green {
    background: var(--green-10);
    color: var(--jac-green);
    border: 1px solid rgba(0,174,77,0.2);
}

.badge-yellow {
    background: var(--yellow-10);
    color: #9B7D00;
    border: 1px solid rgba(250,237,34,0.3);
}

.badge-dark {
    background: rgba(255,255,255,0.07);
    color: rgba(255,255,255,0.6);
    border: 1px solid rgba(255,255,255,0.1);
}

/* Scroll reveal base state */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity var(--duration-slow) var(--ease-out),
        transform var(--duration-slow) var(--ease-out);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* -----------------------------------------------------------------------------
   17. RESPONSIVE
   ----------------------------------------------------------------------------- */

@media (max-width: 1024px) {
    .type-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .value-prop-inner,
    .technical-inner,
    .contact-inner {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-10);
    }

    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    .header-logo {
        flex-shrink: 0;
    }

    .logo-img {
        height: 42px;
    }

    .header-inner {
        gap: var(--space-2);
    }

    .header-actions {
        gap: var(--space-2);
    }

    .header-search {
        display: flex;
        width: 100%;
        min-width: 0;
        margin-right: 0;
        margin-bottom: 0;
    }

    .nav-search-wrap {
        width: 100%;
        margin: 0;
        max-width: none;
    }

    .main-nav {
        display: flex;
        flex-direction: column;
        align-items: stretch;
    }

    .mobile-product-range {
        display: block;
        background: linear-gradient(180deg, rgba(20,27,33,0.96), rgba(20,27,33,0.88));
        border: 1px solid rgba(255,255,255,0.08);
        border-radius: var(--radius-lg);
        padding: var(--space-5);
        margin-top: var(--space-6);
    }

    .mobile-product-range h3 {
        font-size: 1.1rem;
        font-weight: var(--weight-bold);
        color: var(--jac-white);
        letter-spacing: -0.02em;
        margin-bottom: var(--space-5);
    }

    .mobile-product-links {
        display: grid;
        gap: var(--space-2);
    }

    .mobile-product-links li {
        width: 100%;
    }

    .mobile-product-links a {
        display: block;
        width: 100%;
        padding: var(--space-3) var(--space-3);
        background: rgba(255,255,255,0.03);
        border: 1px solid rgba(255,255,255,0.06);
        border-radius: var(--radius-md);
        color: var(--jac-white);
        font-size: 0.95rem;
        line-height: 1.45;
        font-weight: var(--weight-medium);
        transition: background var(--duration-fast) var(--ease-base), border-color var(--duration-fast) var(--ease-base), color var(--duration-fast) var(--ease-base);
    }

    .mobile-product-links a:active,
    .mobile-product-links a:hover {
        background: rgba(0,174,77,0.12);
        border-color: rgba(0,174,77,0.35);
        color: var(--jac-green);
    }

    .mobile-product-range {
        display: block;
    }

    .categories-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 2px;
        margin-top: var(--space-6);
    }

    .family-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
        margin-top: var(--space-6);
    }

    .family-card {
        padding: var(--space-5);
        gap: var(--space-4);
    }

    .family-card-icon {
        width: 62px;
        height: 62px;
    }

    .family-card-icon svg {
        width: 44px;
        height: 44px;
    }

    .family-card-name {
        font-size: var(--text-base);
    }

    .family-card-desc {
        font-size: var(--text-xs);
    }

    .family-card::after {
        top: var(--space-4);
        right: var(--space-4);
        width: 7px;
        height: 7px;
    }

    .type-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-3);
        margin-top: var(--space-5);
    }

    .type-card {
        min-height: 78px;
        padding: var(--space-4);
        font-size: var(--text-xs);
    }

    /* Square ratio gives enough height for icon + full label text */
    .category-tile-toggle {
        aspect-ratio: 1 / 1;
    }

    .category-tile-body {
        padding: var(--space-4) var(--space-3) var(--space-3);
        gap: var(--space-2);
    }

    .category-tile-icon {
        min-height: 52px;
    }

    .category-tile-icon svg {
        width: 62px;
        height: 62px;
    }

    .category-tile-name {
        font-size: 0.72rem;
        line-height: 1.3;
        padding: var(--space-2) var(--space-2);
        display: block;
        overflow-wrap: anywhere;
        word-break: break-word;
    }

    .category-tile-panel ul {
        padding: var(--space-3);
    }

    .category-tile-panel li a {
        font-size: var(--text-xs);
        padding: var(--space-1) var(--space-2);
    }

    .value-prop,
    .industries,
    .featured-products,
    .technical-section,
    .contact-section,
    .cta-banner,
    .site-footer {
        display: none;
    }

    .mobile-footer {
        display: block;
        background: var(--jac-charcoal);
        border-top: 3px solid var(--jac-green);
        padding: var(--space-8) 0 var(--space-6);
    }

    .mobile-footer-inner {
        display: flex;
        flex-direction: column;
        gap: var(--space-6);
        padding: 0 var(--space-5);
    }

    /* Logo + tagline */
    .mobile-footer-brand {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }

    .mobile-footer-logo {
        display: block;
        height: 34px;
        width: auto;
        max-width: 160px;
        align-self: flex-start;
        object-fit: contain;
        border-radius: 4px;
    }

    .mobile-footer-tagline {
        font-size: var(--text-xs);
        color: rgba(255,255,255,0.40);
        line-height: 1.5;
    }

    /* Contact row */
    .mobile-footer-contact {
        display: flex;
        flex-direction: column;
        gap: var(--space-2);
    }

    .mobile-footer-contact a {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        font-size: var(--text-sm);
        font-weight: var(--weight-medium);
        color: rgba(255,255,255,0.75);
    }

    .mobile-footer-contact a:hover {
        color: var(--jac-green);
    }

    .mobile-footer-contact-icon {
        flex-shrink: 0;
        color: var(--jac-green);
    }

    /* CTA buttons */
    .mobile-footer-ctas {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3);
    }

    .mobile-footer-cta {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        padding: 10px var(--space-3);
        border-radius: var(--radius-sm);
        font-size: var(--text-xs);
        font-weight: var(--weight-semibold);
        text-align: center;
        line-height: 1.3;
    }

    .mobile-footer-cta--green {
        background: var(--jac-green);
        color: var(--jac-white);
    }

    .mobile-footer-cta--yellow {
        background: var(--jac-yellow);
        color: var(--jac-black);
    }

    /* Nav links */
    .mobile-footer-links {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-2) var(--space-5);
        border-top: 1px solid rgba(255,255,255,0.07);
        padding-top: var(--space-5);
    }

    .mobile-footer-links a {
        font-size: var(--text-xs);
        color: rgba(255,255,255,0.50);
    }

    .mobile-footer-links a:hover {
        color: rgba(255,255,255,0.85);
    }

    /* Copyright */
    .mobile-footer-copy {
        font-size: 0.65rem;
        color: rgba(255,255,255,0.25);
        padding-top: var(--space-2);
    }

    .header-inner {
        gap: 0;
        justify-content: space-between;
    }

    .header-logo {
        max-width: 120px;
    }

    .logo-img {
        height: 34px;
    }

    /* Mobile nav */
    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--jac-charcoal);
        border-top: 1px solid rgba(255,255,255,0.06);
        padding: var(--space-4);
        flex-direction: column;
        align-items: stretch;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition:
            transform var(--duration-base) var(--ease-base),
            opacity var(--duration-base) var(--ease-base),
            visibility var(--duration-base) var(--ease-base);
        z-index: 999;
        box-shadow: var(--shadow-xl);
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
    }

    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .nav-item {
        width: 100%;
    }

    .nav-link {
        padding: var(--space-4);
        font-size: var(--text-base);
        border-radius: var(--radius-md);
        width: 100%;
        justify-content: space-between;
    }

    .nav-item.has-dropdown > .nav-link::after {
        margin-left: auto;
    }

    .nav-item.has-dropdown .dropdown {
        position: static;
        min-width: 0;
        background: rgba(255,255,255,0.04);
        border: 1px solid rgba(255,255,255,0.08);
        border-radius: var(--radius-md);
        box-shadow: none;
        padding: var(--space-1) var(--space-2);
        margin-top: var(--space-1);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none !important; /* defeat desktop translateX(-50%) */
        display: none;
    }

    /* Only .open class controls visibility on mobile — not hover/focus */
    .nav-item.has-dropdown.open .dropdown {
        display: block;
    }

    .nav-item.has-dropdown:hover .dropdown,
    .nav-item.has-dropdown:focus-within .dropdown {
        display: none;
    }

    .nav-item.has-dropdown.open .dropdown {
        display: block;
    }

    .nav-item.has-dropdown > .nav-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .nav-item.has-dropdown > .nav-link::after {
        transition: transform var(--duration-fast) var(--ease-base);
    }

    .nav-item.has-dropdown.open > .nav-link::after {
        transform: rotate(180deg);
    }

    .nav-item.has-dropdown:hover > .nav-link::after {
        transform: none;
    }

    .nav-item.has-dropdown.open:hover > .nav-link::after {
        transform: rotate(180deg);
    }

    .dropdown a {
        display: block;
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-sm);
        color: rgba(255,255,255,0.75);
        background: transparent;
        border-radius: var(--radius-sm);
    }

    .dropdown a:hover,
    .dropdown a:active {
        background: rgba(255,255,255,0.06);
        color: var(--jac-white);
    }

    .header-actions .btn-primary {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    /* Hero */
    .hero-stats {
        flex-wrap: wrap;
        gap: var(--space-6);
    }

    .value-prop,
    .industries,
    .featured-products,
    .technical-section,
    .contact-section,
    .cta-banner,
    .site-footer {
        display: none;
    }

    /* Grids */
    .industries-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-inner {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-brand {
        grid-column: 1;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .value-stat-grid {
        grid-template-columns: 1fr 1fr;
    }

    .cert-grid {
        grid-template-columns: 1fr;
    }

    .products-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .cta-banner-actions {
        flex-direction: column;
        align-items: center;
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .value-stat-grid {
        grid-template-columns: 1fr;
    }
}

/* -----------------------------------------------------------------------------
   18. UTILITY CLASSES
   ----------------------------------------------------------------------------- */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-0 { margin-bottom: 0; }
.w-full { width: 100%; }

/* =============================================================================
   FLOATING ACTION BUTTONS
   ============================================================================= */

.floating-actions {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 9999;
}

.floating-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px 14px 16px;
    border: none;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.01em;
    text-decoration: none;
    white-space: nowrap;
    border-radius: 8px 0 0 8px;
    box-shadow: -3px 3px 16px rgba(0,0,0,0.18);
    transition: transform 0.25s ease, box-shadow 0.25s ease, padding-right 0.25s ease;
    transform: translateX(0);
}

.floating-btn:hover {
    transform: translateX(-4px);
    box-shadow: -6px 4px 22px rgba(0,0,0,0.22);
    padding-right: 22px;
}

.floating-btn--distributor {
    background: var(--jac-green);
    color: var(--jac-white);
}

.floating-btn--inquiry {
    background: var(--jac-yellow);
    color: var(--jac-black);
}

.floating-btn__icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

@media (max-width: 640px) {
    .floating-btn span:not(.floating-btn__icon) {
        display: none;
    }
    .floating-btn {
        padding: 14px 12px;
        border-radius: 8px 0 0 8px;
    }
    .floating-btn__icon {
        width: 22px;
        height: 22px;
    }

    /* Tighten section padding on small screens */
    .section { padding-block: var(--space-10); }
    .section--sm { padding-block: var(--space-8); }
}