/* SHALOM TechHub — Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
    --neon-blue: #00d4ff;
    --neon-blue-dark: #00a8cc;
    --neon-glow: rgba(0, 212, 255, 0.35);
    --accent-purple: #8b5cf6;
    --dark-bg: #050505;
    --dark-surface: #0c0c0c;
    --dark-card: #111111;
    --dark-card-hover: #161616;
    --dark-border: #1f1f1f;
    --dark-border-light: #2a2a2a;
    --text-muted: #9ca3af;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --font-display: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --site-header-height: 4.25rem;
}

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

html {
    scroll-behavior: smooth;
    background: var(--dark-bg);
}

body {
    background: transparent;
    color: #f3f4f6;
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    padding-top: var(--site-header-height);
}

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

body > main,
body > footer {
    position: relative;
    z-index: 1;
}

.site-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    background: var(--dark-bg);
}
.site-bg__mesh {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% -20%, rgba(0, 212, 255, 0.12), transparent),
        radial-gradient(ellipse 50% 40% at 100% 0%, rgba(139, 92, 246, 0.08), transparent);
}
.site-bg__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 48px 48px;
}
.site-bg__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: orbFloat 8s ease-in-out infinite;
}
.site-bg__orb--blue {
    width: 28rem;
    height: 28rem;
    top: -8rem;
    left: 20%;
    background: rgba(0, 212, 255, 0.15);
}
.site-bg__orb--purple {
    width: 22rem;
    height: 22rem;
    top: 6rem;
    right: -4rem;
    background: rgba(139, 92, 246, 0.12);
    animation-delay: -4s;
}

@media (min-width: 1024px) {
    :root { --site-header-height: 4.5rem; }
}

@media (max-width: 1023px) {
    body {
        padding-top: calc(var(--site-header-height) + 0.35rem);
    }
}

@media (max-width: 639px) {
    body {
        padding-top: calc(var(--site-header-height) + 0.2rem);
    }
}

h1, h2, h3, h4, .font-display { font-family: var(--font-display); }
.bg-mesh {
    position: relative;
    background:
        radial-gradient(ellipse 80% 60% at 50% -20%, rgba(0, 212, 255, 0.12), transparent),
        radial-gradient(ellipse 50% 40% at 100% 0%, rgba(139, 92, 246, 0.08), transparent),
        var(--dark-bg);
}

.bg-grid {
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 48px 48px;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    animation: orbFloat 8s ease-in-out infinite;
}
.orb-blue { background: rgba(0, 212, 255, 0.15); }
.orb-purple { background: rgba(139, 92, 246, 0.12); animation-delay: -4s; }

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -20px) scale(1.05); }
}

/* ── Tailwind utility fallbacks ── */
.bg-dark-bg { background: var(--dark-bg); }
.bg-dark-surface { background: var(--dark-surface); }
.bg-dark-card { background: var(--dark-card); }
.border-dark-border { border-color: var(--dark-border); }
.text-neon-blue { color: var(--neon-blue); }
.bg-neon-blue { background: var(--neon-blue); }
.text-muted { color: var(--text-muted); }

/* ── Buttons ── */
.btn-primary {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    background: linear-gradient(135deg, var(--neon-blue), #00b8e6);
    color: #000; font-weight: 600; font-size: 0.9375rem;
    border-radius: var(--radius-lg); border: none; cursor: pointer;
    text-decoration: none; transition: var(--transition);
    box-shadow: 0 4px 20px var(--neon-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px var(--neon-glow);
    background: linear-gradient(135deg, #33ddff, var(--neon-blue));
}

.btn-primary.btn-cta {
    padding: 1rem 1.9rem;
    color: #fff;
    background: linear-gradient(135deg, #0f6dbf, #00c2ff);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 18px 38px rgba(15, 106, 191, 0.16);
    border-radius: 999px;
    letter-spacing: 0.01em;
    position: relative;
    overflow: hidden;
}

.btn-primary.btn-cta::after {
    content: '→';
    display: inline-block;
    margin-left: 0.8rem;
    transition: transform 0.35s ease;
}

.btn-primary.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 45px rgba(15, 106, 191, 0.22);
    background: linear-gradient(135deg, #1875ca, #00b3e6);
}

.btn-primary.btn-cta:hover::after {
    transform: translateX(3px);
}

.btn-secondary {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border: 1px solid var(--dark-border-light); color: #e5e7eb;
    font-weight: 600; font-size: 0.9375rem;
    border-radius: var(--radius-lg); background: rgba(255,255,255,0.03);
    text-decoration: none; cursor: pointer; transition: var(--transition);
    backdrop-filter: blur(8px);
}
.btn-secondary:hover {
    border-color: var(--neon-blue);
    color: var(--neon-blue);
    background: rgba(0, 212, 255, 0.06);
    transform: translateY(-2px);
}

.btn-ghost {
    display: inline-flex; align-items: center; gap: 0.375rem;
    padding: 0.5rem 1rem; color: var(--neon-blue);
    font-size: 0.875rem; font-weight: 500;
    border-radius: 0.5rem; text-decoration: none;
    transition: var(--transition);
}
.btn-ghost:hover { background: rgba(0, 212, 255, 0.08); }

/* ── Cards ── */
.card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
}
.card:hover { border-color: rgba(0, 212, 255, 0.25); }

.glass-card {
    background: rgba(17, 17, 17, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.product-card {
    position: relative;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
}
.product-card::before {
    content: '';
    position: absolute; inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, transparent, rgba(0,212,255,0.3), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
}
.product-card:hover {
    transform: translateY(-6px);
    border-color: transparent;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(0, 212, 255, 0.1);
}
.product-card:hover::before { opacity: 1; }

.product-card__image {
    position: relative;
    aspect-ratio: 1;
    background: linear-gradient(145deg, #0a0a0a, #151515);
    overflow: hidden;
}
.product-image-display {
    width: 100%;
    height: 100%;
    object-fit: var(--img-fit, cover);
    object-position: var(--img-pos-x, 50%) var(--img-pos-y, 50%);
    transform: scale(var(--img-zoom, 1));
    transform-origin: var(--img-pos-x, 50%) var(--img-pos-y, 50%);
}
.product-card__image img,
.product-card__image .product-image-display {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.product-card:hover .product-card__image .product-image-display {
    transform: scale(calc(var(--img-zoom, 1) * 1.08));
}
.product-card__image::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition);
}
.product-card:hover .product-card__image::after { opacity: 1; }

.product-card__body { padding: 1.25rem; }
.product-card__brand {
    font-size: 0.6875rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.12em;
    color: var(--neon-blue); margin-bottom: 0.375rem;
}
.product-card__title {
    font-family: var(--font-display);
    font-weight: 600; font-size: 1rem;
    color: #f9fafb; line-height: 1.4;
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
    transition: color var(--transition);
}
.product-card:hover .product-card__title { color: var(--neon-blue); }
.product-card__price {
    font-family: var(--font-display);
    font-size: 1.25rem; font-weight: 700;
    color: #fff; margin-top: 0.75rem;
}
.product-card__specs {
    display: flex; flex-wrap: wrap; gap: 0.375rem;
    margin-top: 0.75rem;
}
.spec-chip {
    display: inline-flex; align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.6875rem; font-weight: 500;
    color: var(--text-muted);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--dark-border);
    border-radius: 9999px;
    white-space: nowrap;
}
.spec-chip--highlight {
    color: var(--neon-blue);
    border-color: rgba(0, 212, 255, 0.2);
    background: rgba(0, 212, 255, 0.06);
}

.badge {
    display: inline-flex; align-items: center; gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.6875rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.08em;
    border-radius: 9999px;
}
.badge-bestseller {
    background: linear-gradient(135deg, rgba(0,212,255,0.2), rgba(139,92,246,0.2));
    color: var(--neon-blue);
    border: 1px solid rgba(0, 212, 255, 0.3);
}
.badge-new { background: rgba(34, 197, 94, 0.15); color: #4ade80; border: 1px solid rgba(34,197,94,0.3); }
.badge-stock { background: rgba(239, 68, 68, 0.15); color: #f87171; }

/* ── Best Seller Showcase ── */
.showcase {
    position: relative;
    padding: 4rem 0 6rem;
    overflow: hidden;
}
.showcase__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}
@media (min-width: 1024px) {
    .showcase__grid { grid-template-columns: 1fr 1fr; gap: 4rem; }
}
.showcase__visual {
    position: relative;
    display: flex; align-items: center; justify-content: center;
    min-height: 320px;
}
@media (min-width: 1024px) { .showcase__visual { min-height: 480px; } }

.showcase__glow {
    position: absolute;
    width: 70%; height: 70%;
    background: radial-gradient(circle, var(--neon-glow) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulseGlow 4s ease-in-out infinite;
}
@keyframes pulseGlow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.showcase__device {
    position: relative; z-index: 2;
    width: 100%; max-width: 380px;
    animation: floatDevice 6s ease-in-out infinite;
}
@keyframes floatDevice {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}
.showcase__device img,
.showcase__device .product-image-display {
    width: 100%; height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.6);
}

.showcase__content { position: relative; z-index: 2; }
.showcase__label {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-size: 0.75rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.15em;
    color: var(--neon-blue); margin-bottom: 1rem;
}
.showcase__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 700; line-height: 1.1;
    margin-bottom: 1rem;
}
.showcase__price {
    font-family: var(--font-display);
    font-size: 2rem; font-weight: 700;
    color: #fff; margin-bottom: 1.5rem;
}
.showcase__price span { font-size: 1rem; color: var(--text-muted); font-weight: 400; }

.spec-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-bottom: 2rem;
}
@media (min-width: 480px) { .spec-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .spec-grid { grid-template-columns: repeat(3, 1fr); } }

.spec-tile {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}
.spec-tile:hover {
    border-color: rgba(0, 212, 255, 0.3);
    background: rgba(0, 212, 255, 0.04);
    transform: translateY(-2px);
}
.spec-tile__icon {
    width: 2rem; height: 2rem;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 0.5rem;
    color: var(--neon-blue);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}
.spec-tile__label {
    font-size: 0.6875rem; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--text-muted); margin-bottom: 0.25rem;
}
.spec-tile__value {
    font-family: var(--font-display);
    font-size: 0.875rem; font-weight: 600;
    color: #f3f4f6; line-height: 1.3;
}

/* ── Product Detail ── */
.product-hero {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 1.25rem 0 3rem;
}
@media (min-width: 1024px) {
    .product-hero { grid-template-columns: 1.1fr 1fr; gap: 4rem; align-items: start; }
}
@media (max-width: 1023px) {
    .product-gallery {
        position: static;
    }
}

.product-gallery {
    position: sticky; top: 6rem;
}
.product-gallery__main {
    position: relative;
    aspect-ratio: 1;
    background: linear-gradient(145deg, #080808, #121212);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--dark-border);
    overflow: hidden;
}
.product-gallery__main img,
.product-gallery__main .product-image-display {
    transition: opacity 0.4s ease, transform 0.4s ease;
}
.product-gallery__thumbs {
    display: flex; gap: 0.75rem;
    margin-top: 1rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    scrollbar-width: thin;
}
.product-gallery__thumb {
    flex-shrink: 0;
    width: 4.5rem; height: 4.5rem;
    border-radius: 0.75rem;
    border: 2px solid var(--dark-border);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    background: none; padding: 0;
}
.product-gallery__thumb:hover,
.product-gallery__thumb.active {
    border-color: var(--neon-blue);
    box-shadow: 0 0 0 1px var(--neon-blue);
}
.product-gallery__thumb img,
.product-gallery__thumb .product-image-display { width: 100%; height: 100%; }

.modal-scrollbar {
    scrollbar-width: thin;
    scrollbar-color: rgba(56,189,248,0.75) rgba(15,23,42,0.2);
}

.modal-scrollbar::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

.modal-scrollbar::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.04);
    border-radius: 999px;
}

.modal-scrollbar::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(56,189,248,0.85), rgba(14,165,233,0.85));
    border-radius: 999px;
    border: 2px solid rgba(15,23,42,0.9);
}

.modal-scrollbar::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(56,189,248,1), rgba(14,165,233,1));
}

.modal-scrollbar::-webkit-scrollbar-corner {
    background: transparent;
}

.spec-panel {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}
.spec-panel__header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--dark-border);
    font-family: var(--font-display);
    font-weight: 600; font-size: 1.125rem;
}
.spec-panel__body { padding: 0.5rem 0; }
.spec-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.875rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    transition: background var(--transition);
}
.spec-row:last-child { border-bottom: none; }
.spec-row:hover { background: rgba(0, 212, 255, 0.03); }
.spec-row__key {
    font-size: 0.875rem; color: var(--text-muted);
    text-transform: capitalize;
}
.spec-row__value {
    font-size: 0.875rem; font-weight: 600; color: #f3f4f6;
    text-align: right; max-width: 60%;
}

.qty-control {
    display: flex; align-items: center;
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--dark-surface);
}
.qty-control button {
    padding: 0.875rem 1.125rem;
    color: var(--text-muted);
    background: none; border: none; cursor: pointer;
    transition: var(--transition);
    font-size: 1.125rem;
}
.qty-control button:hover { color: var(--neon-blue); background: rgba(0,212,255,0.05); }
.qty-control input {
    width: 3.5rem; text-align: center;
    background: transparent; border: none;
    border-left: 1px solid var(--dark-border);
    border-right: 1px solid var(--dark-border);
    color: #fff; font-weight: 600;
    padding: 0.875rem 0; outline: none;
}

/* ── Header ── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    height: var(--site-header-height);
    border-bottom: 1px solid transparent;
    background: rgba(5, 5, 5, 0.55);
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    transform: translateY(0);
    transition:
        transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
        background 0.35s ease,
        border-color 0.35s ease,
        box-shadow 0.35s ease;
}
.site-header.is-scrolled {
    background: rgba(5, 5, 5, 0.88);
    border-bottom-color: rgba(255, 255, 255, 0.07);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}
.site-header.is-retracted {
    transform: translateY(-100%);
    pointer-events: none;
}
.site-header__inner {
    position: relative;
    height: 100%;
}
.site-header__bar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: 0.75rem 1rem;
    height: 100%;
}
.site-header__brand {
    justify-self: start;
    min-width: 0;
    max-width: 100%;
}
.site-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    min-width: 0;
    max-width: 100%;
}
.site-logo__text {
    display: flex;
    align-items: baseline;
    gap: 0.35rem;
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.site-logo__name,
.site-logo__tag {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
@media (max-width: 767px) {
    .site-header__bar {
        grid-template-columns: auto 1fr auto;
        align-items: center;
        padding: 0 0.75rem;
    }
    .site-header__actions {
        gap: 0.4rem;
    }
    .site-logo {
        gap: 0.5rem;
    }
    .site-logo__text {
        display: none;
    }
}
.site-header__nav {
    justify-self: center;
}
.site-header__actions {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

@media (max-width: 1023px) {
    .site-nav {
        display: none !important;
    }
    .site-header__bar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.5rem;
        padding: 0 0.5rem;
        min-height: 100%;
        width: 100%;
    }
    .site-header__brand {
        flex: 1 1 auto;
        min-width: 0;
        max-width: calc(100% - 6rem);
        overflow: hidden;
    }
    .site-logo {
        flex: 1 1 auto;
        min-width: 0;
    }
    .site-logo__text {
        flex: 1 1 auto;
        min-width: 0;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
    }
    .site-logo__name,
    .site-logo__tag {
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .site-header__actions {
        gap: 0.25rem;
        flex-shrink: 0;
    }
    .site-header__action {
        width: 2.25rem;
        height: 2.25rem;
    }
}

@media (min-width: 1024px) {
    .mobile-nav,
    .mobile-nav-overlay,
    .site-menu-btn {
        display: none !important;
    }
}

@media (max-width: 639px) {
    .site-header__brand {
        max-width: calc(100% - 5.5rem);
    }
    .site-logo__text {
        max-width: 100%;
        overflow: hidden;
    }
    .site-logo__name {
        font-size: 0.95rem;
    }
    .site-logo__tag {
        display: none;
    }
    .site-header__bar {
        grid-template-columns: auto 1fr auto;
        align-items: center;
    }
}
.site-header__action {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    color: var(--text-muted);
    border-radius: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.03);
    transition: var(--transition);
    text-decoration: none;
    flex-shrink: 0;
}
.site-header__action svg {
    width: 1.2rem;
    height: 1.2rem;
}
.site-header__action:hover {
    color: var(--neon-blue);
    background: rgba(0, 212, 255, 0.08);
    border-color: rgba(0, 212, 255, 0.2);
    transform: translateY(-1px);
}
.site-header__action--dropdown {
    position: relative;
}
.site-header__dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    z-index: 55;
    width: 15rem;
    padding: 0.5rem 0;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(12, 12, 12, 0.96);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(22px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: transform 0.2s ease, opacity 0.2s ease, visibility 0.2s ease;
    pointer-events: none;
}
.site-header__dropdown.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}
.site-header__dropdown-item {
    display: block;
    padding: 0.8rem 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}
.site-header__dropdown-item:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}
.site-header.is-scrolled .site-logo__mark { box-shadow: 0 0 20px var(--neon-glow); }

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    min-width: 0;
    text-decoration: none;
    z-index: 52;
}
.site-header .site-logo {
    max-width: 100%;
}
.site-logo__image {
    display: block;
    width: auto;
    height: auto;
    max-height: calc(2.25rem * var(--logo-scale, 1));
    max-width: min(calc(7rem * var(--logo-scale, 1)), 34vw);
    object-fit: contain;
    flex-shrink: 0;
}
@media (min-width: 640px) {
    .site-logo__image {
        max-height: calc(2.5rem * var(--logo-scale, 1));
        max-width: calc(8rem * var(--logo-scale, 1));
    }
}
.site-logo__about-image {
    width: auto;
    height: auto;
    max-width: calc(100% * var(--logo-scale, 1));
    max-height: calc(100% * var(--logo-scale, 1));
}
.site-logo__mark {
    position: relative;
    width: 3.25rem; height: 3.25rem;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, var(--neon-blue), #06b6d4);
    display: flex; align-items: center; justify-content: center;
    transition: transform var(--transition), box-shadow var(--transition);
}
.site-logo:hover .site-logo__mark { transform: scale(1.05) rotate(-2deg); }
.site-logo__mark-inner {
    font-family: var(--font-display);
    font-size: 1.125rem; font-weight: 800; color: #000;
    position: relative; z-index: 1;
}
.site-logo__mark-glow {
    position: absolute; inset: -2px;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--neon-blue), transparent);
    opacity: 0; transition: opacity var(--transition);
}
.site-logo:hover .site-logo__mark-glow { opacity: 0.5; }
.site-logo__text {
    display: flex;
    align-items: baseline;
    gap: 0.35rem;
    line-height: 1;
    min-width: 0;
}
.site-logo__name {
    font-family: var(--font-display);
    font-size: clamp(1.05rem, 2.5vw, 1.35rem);
    font-weight: 700;
    color: var(--neon-blue);
    letter-spacing: -0.02em;
    white-space: nowrap;
}
.site-logo__tag {
    font-family: var(--font-display);
    font-size: clamp(1.05rem, 2.5vw, 1.35rem);
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

/* Desktop nav */
.site-nav {
    display: inline-flex;
    align-items: center;
    gap: 0.125rem;
    padding: 0.25rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 9999px;
    backdrop-filter: blur(10px);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.site-nav__link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 0.95rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 9999px;
    transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
    white-space: nowrap;
}
.site-nav__icon {
    display: inline-flex;
    width: 1rem;
    height: 1rem;
    opacity: 0.75;
    flex-shrink: 0;
}
.site-nav__icon svg { width: 100%; height: 100%; }
.site-nav__link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}
.site-nav__link.is-active {
    color: #001018;
    background: linear-gradient(135deg, var(--neon-blue), #22d3ee);
    font-weight: 600;
    box-shadow: 0 4px 18px var(--neon-glow);
}
.site-nav__link.is-active .site-nav__icon { opacity: 1; }

/* Cart */
.site-cart {
    position: relative;
}
.site-cart__badge {
    position: absolute; top: -2px; right: -2px;
    min-width: 1.125rem; height: 1.125rem;
    display: flex; align-items: center; justify-content: center;
    padding: 0 0.25rem;
    background: var(--neon-blue); color: #000;
    font-size: 0.625rem; font-weight: 800;
    border-radius: 9999px;
    border: 2px solid var(--dark-bg);
    animation: cartPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes cartPop {
    0% { transform: scale(0); }
    100% { transform: scale(1); }
}

/* Hamburger */
.site-menu-btn {
    display: flex; flex-direction: column; justify-content: center;
    gap: 5px; width: 2.5rem; height: 2.5rem;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 52;
    min-width: 2.5rem;
    min-height: 2.5rem;
}
.site-menu-btn:hover { border-color: rgba(0, 212, 255, 0.3); background: rgba(0, 212, 255, 0.06); }
.site-menu-btn__bar {
    display: block; width: 100%; height: 2px;
    background: #e5e7eb; border-radius: 1px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.site-menu-btn.is-open .site-menu-btn__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-menu-btn.is-open .site-menu-btn__bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.site-menu-btn.is-open .site-menu-btn__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.mobile-nav-overlay {
    position: fixed; inset: 0; z-index: 48;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    opacity: 0; visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}
.mobile-nav-overlay.is-open { opacity: 1; visibility: visible; }

.mobile-nav {
    position: fixed; top: 0; right: 0; z-index: 49;
    width: min(20rem, 85vw); height: 100vh;
    background: rgba(12, 12, 12, 0.98);
    border-left: 1px solid var(--dark-border);
    padding: 1rem 1.25rem 2rem;
    display: flex; flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
    min-width: 16rem;
    max-width: 100vw;
    overflow-y: auto;
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding-bottom: 1rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--dark-border);
}
.mobile-nav__logo.site-logo { max-width: calc(100% - 3rem); }
.mobile-nav__links { display: flex; flex-direction: column; gap: 0.25rem; flex: 1; }
.mobile-nav__link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1rem;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    transition: var(--transition);
    transform: translateX(1rem);
    opacity: 0;
}
.mobile-nav__icon {
    display: inline-flex;
    width: 1.125rem;
    height: 1.125rem;
    flex-shrink: 0;
    opacity: 0.85;
}
.mobile-nav__icon svg { width: 100%; height: 100%; }
.mobile-nav__badge {
    margin-left: auto;
    min-width: 1.25rem;
    height: 1.25rem;
    padding: 0 0.35rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--neon-blue);
    color: #000;
    font-size: 0.6875rem;
    font-weight: 800;
}
.mobile-nav.is-open .mobile-nav__link {
    transform: translateX(0); opacity: 1;
}
.mobile-nav.is-open .mobile-nav__link:nth-child(1) { transition-delay: 0.05s; }
.mobile-nav.is-open .mobile-nav__link:nth-child(2) { transition-delay: 0.1s; }
.mobile-nav.is-open .mobile-nav__link:nth-child(3) { transition-delay: 0.15s; }
.mobile-nav.is-open .mobile-nav__link:nth-child(4) { transition-delay: 0.2s; }
.mobile-nav.is-open .mobile-nav__link:nth-child(5) { transition-delay: 0.25s; }
.mobile-nav__link:hover,
.mobile-nav__link.is-active {
    color: #fff;
    background: rgba(0, 212, 255, 0.08);
    border-color: rgba(0, 212, 255, 0.2);
}
.mobile-nav__link.is-active { color: var(--neon-blue); }
.mobile-nav__section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--dark-border);
}
.mobile-nav__section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}
.mobile-nav__footer {
    padding-top: 1.5rem; border-top: 1px solid var(--dark-border);
}

/* Legacy nav-link (footer etc.) */
.nav-link {
    position: relative; color: var(--text-muted);
    font-size: 0.9375rem; font-weight: 500;
    text-decoration: none; transition: color var(--transition);
}
.nav-link:hover, .nav-link.active { color: #fff; }

/* ── Section headers ── */
.section-header {
    display: flex; flex-wrap: wrap;
    align-items: flex-end; justify-content: space-between;
    gap: 1rem; margin-bottom: 2.5rem;
}
@media (max-width: 639px) {
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
}
.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
}
.section-subtitle {
    font-size: 0.9375rem; color: var(--text-muted);
    margin-top: 0.375rem;
}

/* ── Category pills ── */
.category-pill {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem; font-weight: 500;
    color: var(--text-muted);
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 9999px;
    text-decoration: none;
    transition: var(--transition);
}
.category-pill:hover {
    color: var(--neon-blue);
    border-color: rgba(0, 212, 255, 0.4);
    background: rgba(0, 212, 255, 0.06);
    transform: translateY(-2px);
}
.category-pill__count {
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    background: rgba(255,255,255,0.06);
    border-radius: 9999px;
}

/* ── Feature cards ── */
.feature-card {
    padding: 2rem;
    text-align: center;
    border-radius: var(--radius-xl);
    border: 1px solid var(--dark-border);
    background: rgba(255,255,255,0.02);
    transition: var(--transition);
}
@media (max-width: 639px) {
    .feature-card {
        padding: 1.5rem;
    }
}
.feature-card:hover {
    border-color: rgba(0, 212, 255, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}
.feature-card__icon {
    width: 3.5rem; height: 3.5rem;
    margin: 0 auto 1.25rem;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(139,92,246,0.1));
    border-radius: 1rem;
    color: var(--neon-blue);
}

/* ── Input fields ── */
.input-field {
    width: 100%; padding: 0.875rem 1rem;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    color: #f3f4f6; font-size: 0.9375rem;
    outline: none; transition: var(--transition);
}
.input-field:focus {
    border-color: var(--neon-blue);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12);
}
.input-field::placeholder { color: #6b7280; }

/* ── Toast ── */
.toast {
    position: fixed; top: 5rem; right: 1rem; z-index: 60;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem; font-weight: 500;
    animation: slideInRight 0.4s ease, fadeOut 0.4s ease 4s forwards;
    max-width: 22rem;
}
@media (max-width: 639px) {
    .toast {
        left: 0.75rem;
        right: 0.75rem;
        max-width: none;
    }
}
.toast-success { background: rgba(34,197,94,0.15); border: 1px solid rgba(34,197,94,0.4); color: #4ade80; }
.toast-error { background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.4); color: #f87171; }

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeOut {
    to { opacity: 0; transform: translateX(100%); pointer-events: none; }
}

/* ── Scroll reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Animations ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in-up { animation: fadeInUp 0.7s ease-out forwards; }
.animate-fade-in { animation: fadeIn 0.5s ease-out forwards; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.line-clamp-2 {
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}

/* ── Filter sidebar ── */
.filter-panel {
    position: sticky; top: 6rem;
    padding: 1.5rem;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
}

/* ── Admin overrides ── */
.admin-sidebar-link {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.75rem 1rem; border-radius: 0.5rem;
    color: #9ca3af; text-decoration: none; transition: all 0.2s;
}
.admin-sidebar-link:hover { color: #fff; background: rgba(255,255,255,0.05); }
.admin-sidebar-link.active { color: var(--neon-blue); background: rgba(0,212,255,0.1); }

/* ── Mobile menu ── */
.mobile-menu {
    max-height: 0; overflow: hidden;
    transition: max-height 0.35s ease, opacity 0.35s ease;
    opacity: 0;
}
.mobile-menu.open {
    max-height: 300px; opacity: 1;
}

/* ── Page hero strip ── */
.page-hero {
    padding: 2.25rem 0 1.5rem;
    border-bottom: 1px solid var(--dark-border);
    margin-bottom: 2rem;
}
@media (max-width: 639px) {
    .page-hero {
        padding: 1.75rem 0 1.25rem;
        margin-bottom: 1.5rem;
    }
}
.page-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
}

/* ── About Us page ── */
.about-hero {
    position: relative;
    padding: 3rem 0 4rem;
    text-align: center;
    overflow: hidden;
}
@media (max-width: 639px) {
    .about-hero {
        padding: 2.5rem 0 3rem;
    }
}
.about-hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
}
.about-hero__subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 42rem;
    margin: 0 auto;
    line-height: 1.7;
}
.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 3rem;
}
@media (max-width: 479px) { .about-stats { grid-template-columns: 1fr; } }
@media (min-width: 768px) { .about-stats { grid-template-columns: repeat(4, 1fr); } }
.about-stat {
    padding: 1.5rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition);
}
.about-stat:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}
.about-stat__value {
    font-family: var(--font-display);
    font-size: 1.75rem; font-weight: 700;
    color: var(--neon-blue);
    margin-bottom: 0.25rem;
}
.about-stat__label { font-size: 0.8125rem; color: var(--text-muted); }

.about-mv-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}
@media (min-width: 768px) { .about-mv-grid { grid-template-columns: 1fr 1fr; } }
.about-mv-card {
    padding: 2rem;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-2xl);
    transition: var(--transition);
}
.about-mv-card:hover {
    border-color: rgba(0, 212, 255, 0.25);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}
.about-mv-card__icon {
    width: 3rem; height: 3rem;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 0.75rem;
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
}
.about-mv-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem; font-weight: 700;
    margin-bottom: 0.75rem;
}
.about-mv-card__text { color: var(--text-muted); line-height: 1.7; font-size: 0.9375rem; }

.about-values {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
@media (min-width: 640px) { .about-values { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .about-values { grid-template-columns: repeat(3, 1fr); } }
.about-value-card {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: var(--transition);
}
.about-value-card:hover {
    background: rgba(0, 212, 255, 0.04);
    border-color: rgba(0, 212, 255, 0.2);
    transform: translateY(-3px);
}
.about-value-card__icon { font-size: 1.5rem; margin-bottom: 0.75rem; }
.about-value-card__title { font-weight: 600; margin-bottom: 0.5rem; }
.about-value-card__text { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; }

/* Tech services grid */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}
@media (min-width: 640px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }
.service-card {
    position: relative;
    padding: 2rem 1.75rem;
    background: linear-gradient(145deg, var(--dark-card), rgba(17, 17, 17, 0.6));
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: var(--transition);
}
.service-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-blue), var(--accent-purple));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}
.service-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 212, 255, 0.25);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.4);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card__icon {
    width: 3.25rem; height: 3.25rem;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(139,92,246,0.1));
    border-radius: 1rem;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}
.service-card__title {
    font-family: var(--font-display);
    font-size: 1.125rem; font-weight: 700;
    margin-bottom: 0.625rem;
}
.service-card__desc { font-size: 0.875rem; color: var(--text-muted); line-height: 1.65; }