/* ================================================================
   products.css
   Inherits all colours from base.css (light + dark via
   [data-theme="dark"]). Zero hardcoded colours here.
   ================================================================ */

/* ----------------------------------------------------------------
   Page-level token bridge
   Maps generic base.css vars → semantic product-page names.
   Light values live in :root, dark values are inherited from
   base.css's  html[data-theme="dark"] block automatically.
   ---------------------------------------------------------------- */
:root {
    /* Surfaces */
    --p-bg:           var(--clr-bg);
    --p-bg-2:         var(--clr-bg-2);
    --p-card:         var(--clr-surface);
    --p-border:       var(--clr-border);
    --p-border-hi:    var(--clr-blue);

    /* Text */
    --p-text:         var(--clr-text);
    --p-text-mid:     var(--clr-text-muted);
    --p-text-dim:     var(--clr-text-faint);

    /* Brand accent (uses base.css brand colours) */
    --p-accent:       var(--clr-blue);
    --p-accent-2:     var(--clr-purple);
    --p-grad:         var(--grad-brand);
    --p-grad-text:    var(--grad-brand-text);

    /* Glows — light mode is very subtle */
    --p-glow-a:       rgba(14,165,233,.10);
    --p-glow-b:       rgba(124,58,237,.08);
    --p-canvas-line:  rgba(14,165,233,.06);
    --p-canvas-dot:   rgba(14,165,233,.12);
    --p-canvas-part:  rgba(14,165,233,.4);

    /* Shared */
    --p-radius:       var(--radius-md);
    --p-mono:         'Courier New', monospace;
    --p-tr:           var(--tr-normal);

    /* Stats strip */
    --p-strip-bg:     rgba(255,255,255,.60);
    --p-strip-border: var(--clr-border);

    /* Sticky nav */
    --p-nav-bg:       rgba(247,243,235,.92);

    /* Filter bar */
    --p-filter-bg:    rgba(247,243,235,.50);
}

/* Dark-mode overrides — mirrors html[data-theme="dark"] in base.css */
html[data-theme="dark"] {
    --p-bg:           var(--clr-bg);
    --p-bg-2:         var(--clr-bg-2);
    --p-card:         var(--clr-surface);
    --p-border:       var(--clr-border);
    --p-border-hi:    var(--clr-blue);

    --p-text:         var(--clr-text);
    --p-text-mid:     var(--clr-text-muted);
    --p-text-dim:     var(--clr-text-faint);

    --p-accent:       var(--clr-blue);
    --p-accent-2:     var(--clr-purple);

    --p-glow-a:       rgba(0,198,255,.14);
    --p-glow-b:       rgba(124,58,237,.10);
    --p-canvas-line:  rgba(0,198,255,.05);
    --p-canvas-dot:   rgba(0,198,255,.14);
    --p-canvas-part:  rgba(0,198,255,.55);

    --p-strip-bg:     rgba(255,255,255,.03);
    --p-strip-border: var(--clr-border);

    --p-nav-bg:       rgba(5,8,22,.92);
    --p-filter-bg:    rgba(5,8,22,.45);
}

/* ================================================================
   CANVAS BACKGROUND
   ================================================================ */
#bg-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: .7;
}

/* Stacking above canvas */
.products-hero,
.stats-strip,
.sticky-cat-nav,
.filter-bar,
.products-masonry-section,
.consultant-section {
    position: relative;
    z-index: 1;
}

/* ================================================================
   HERO
   ================================================================ */
.products-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--p-accent);
    border: 1px solid rgba(14,165,233,.28);
    border-radius: var(--radius-sm);
    padding: 5px 12px;
    margin-bottom: 22px;
}
html[data-theme="dark"] .hero-eyebrow {
    border-color: rgba(0,198,255,.28);
}
.hero-eyebrow::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--p-accent);
    box-shadow: 0 0 8px var(--p-accent);
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%,100% { opacity:1; transform:scale(1); }
    50%      { opacity:.4; transform:scale(.7); }
}

.hero-title {
    font-size: clamp(32px, 5vw, 58px);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 18px;
    background: var(--p-grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 16px;
    line-height: 1.75;
    color: var(--p-text-mid);
    max-width: 520px;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* Hero buttons — built on base.css .btn semantics */
.btn-primary-hero {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--p-grad);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    box-shadow: var(--shadow-blue);
    transition: var(--p-tr);
    border: none;
    cursor: pointer;
    will-change: transform;
}
.btn-primary-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(14,165,233,.35);
    color: #fff;
}
html[data-theme="dark"] .btn-primary-hero:hover {
    box-shadow: 0 8px 32px rgba(0,198,255,.4);
}

.btn-ghost-hero {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 26px;
    background: var(--clr-surface);
    color: var(--p-text);
    border: 1px solid var(--p-border);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 14px;
    text-decoration: none;
    transition: var(--p-tr);
}
.btn-ghost-hero:hover {
    border-color: var(--p-accent);
    color: var(--p-accent);
    background: rgba(14,165,233,.06);
}

/* Breadcrumb */
.hero-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--p-text-dim);
    margin-bottom: 28px;
}
.hero-breadcrumb a { color: var(--p-text-mid); text-decoration: none; }
.hero-breadcrumb a:hover { color: var(--p-accent); }
.hero-breadcrumb i { font-size: 10px; }

/* ================================================================
   ORBIT ANIMATION
   ================================================================ */
.orbit-stage {
    position: relative;
    width: 440px;
    height: 440px;
    margin: 0 auto;
}

.orbit-core {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 90px; height: 90px;
    background: var(--clr-surface);
    border: 1px solid var(--p-border-hi);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
            0 0 0 18px var(--p-glow-a),
            0 0 0 36px var(--p-glow-b),
            0 0 60px var(--p-glow-a);
    z-index: 5;
}
.orbit-core i {
    font-size: 28px;
    color: var(--p-accent);
    filter: drop-shadow(0 0 8px var(--p-accent));
}

/* Ring guides */
.orbit-ring {
    position: absolute;
    top: 50%; left: 50%;
    border-radius: 50%;
    border: 1px dashed var(--p-border);
    transform: translate(-50%, -50%);
}
.orbit-ring-1 { width: 170px; height: 170px; animation: ring-spin 16s linear infinite; }
.orbit-ring-2 { width: 280px; height: 280px; animation: ring-spin 26s linear infinite reverse; }
.orbit-ring-3 { width: 390px; height: 390px; animation: ring-spin 38s linear infinite; }
.orbit-ring-4 { width: 500px; height: 500px; animation: ring-spin 48s linear infinite reverse; }
.orbit-ring-5 { width: 610px; height: 610px; animation: ring-spin 60s linear infinite; }

@keyframes ring-spin {
    from { transform: translate(-50%,-50%) rotate(0deg); }
    to   { transform: translate(-50%,-50%) rotate(360deg); }
}

/* Orbit chips */
.orbit-planet {
    position: absolute;
    top: 50%; left: 50%;
    transform-origin: 0 0;
    z-index: 4;
}
.orbit-planet .chip {
    position: absolute;
    transform: translate(-50%, -50%);
    background: var(--clr-surface);
    border: 1px solid var(--p-border);
    border-radius: var(--radius-pill);
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 700;
    color: var(--p-text);
    white-space: nowrap;
    box-shadow: var(--shadow-card);
    letter-spacing: 1px;
    text-decoration: none;
    transition: border-color var(--tr-fast), box-shadow var(--tr-fast), color var(--tr-fast);
    backdrop-filter: blur(12px);
}
.orbit-planet .chip:hover {
    border-color: var(--p-accent);
    color: var(--p-accent);
    box-shadow: 0 0 18px var(--p-glow-a);
}

/* ================================================================
   STATS STRIP
   ================================================================ */
.stats-strip {
    border-top: 1px solid var(--p-strip-border);
    border-bottom: 1px solid var(--p-strip-border);
    background: var(--p-strip-bg);
    backdrop-filter: blur(12px);
    padding: 28px 0;
}
.stats-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}
.stat-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 0 20px;
}
.stat-block:not(:last-child) {
    border-left: 1px solid var(--p-border);
}
.stat-block strong {
    font-size: 32px;
    font-weight: 900;
    background: var(--p-grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-block span {
    font-size: 12px;
    color: var(--p-text-mid);
    letter-spacing: 1px;
}

/* ================================================================
   STICKY CATEGORY NAV
   ================================================================ */
.sticky-cat-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--p-nav-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--p-border);
    transition: box-shadow var(--tr-normal);
}
.sticky-cat-nav.scrolled {
    box-shadow: var(--shadow-card);
}
.cat-scroll {
    display: flex;
    align-items: center;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 0 4px;
}
.cat-scroll::-webkit-scrollbar { display: none; }

.cat-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 18px 22px;
    font-size: 13px;
    font-weight: 500;
    color: var(--p-text-mid);
    text-decoration: none;
    white-space: nowrap;
    transition: color var(--tr-fast);
    border-bottom: 2px solid transparent;
}
.cat-link:hover { color: var(--p-text); }
.cat-link.active {
    color: var(--p-accent);
    border-bottom-color: var(--p-accent);
}

.cat-link .cat-indicator {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--p-border);
    transition: background var(--tr-fast);
}
.cat-link.active .cat-indicator,
.cat-link:hover .cat-indicator {
    background: var(--p-accent);
    box-shadow: 0 0 6px var(--p-accent);
}

.cat-link::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 0; right: 0;
    height: 2px;
    background: var(--p-accent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .25s ease;
}
.cat-link:hover::after,
.cat-link.active::after { transform: scaleX(1); }

/* ================================================================
   FILTER / SEARCH BAR
   ================================================================ */
.filter-bar {
    padding: 22px 0;
    background: var(--p-filter-bg);
    backdrop-filter: blur(8px);
}
.filter-inner {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.search-field {
    position: relative;
    flex: 1;
    min-width: 220px;
}
.search-field i {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--p-text-dim);
    font-size: 14px;
}
.search-field input {
    width: 100%;
    background: var(--clr-surface);
    border: 1px solid var(--p-border);
    border-radius: var(--radius-md);
    color: var(--p-text);
    font-size: 13px;
    font-family: var(--font-base);
    padding: 11px 40px 11px 16px;
    transition: border-color var(--tr-fast);
    outline: none;
}
.search-field input::placeholder { color: var(--p-text-dim); }
.search-field input:focus {
    border-color: var(--p-accent);
    box-shadow: 0 0 0 3px var(--p-glow-a);
}

/* Category filter chips */
.brand-chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.brand-chip {
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--p-border);
    background: transparent;
    color: var(--p-text-mid);
    font-size: 12px;
    font-weight: 600;
    font-family: var(--font-base);
    cursor: pointer;
    transition: var(--p-tr);
    letter-spacing: .4px;
}
.brand-chip:hover {
    border-color: var(--p-accent);
    color: var(--p-accent);
    background: var(--p-glow-a);
}
.brand-chip.active {
    background: var(--p-grad);
    border-color: transparent;
    color: #fff;
    box-shadow: var(--shadow-blue);
}

/* ================================================================
   MASONRY GRID
   ================================================================ */
.products-masonry-section { padding: 48px 0 80px; }

.masonry-grid {
    columns: 3;
    column-gap: 20px;
}
@media (max-width: 991px) { .masonry-grid { columns: 2; } }
@media (max-width: 575px) { .masonry-grid { columns: 1; } }

/* ================================================================
   PRODUCT CARD
   ================================================================ */
.product-card-wrap {
    break-inside: avoid;
    margin-bottom: 20px;
    display: block;
}

.product-card {
    position: relative;
    background: var(--clr-surface);
    border: 1px solid var(--p-border);
    border-radius: var(--p-radius);
    overflow: hidden;
    transition: var(--p-tr);
    cursor: pointer;
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-card);
}
.product-card:hover {
    border-color: var(--p-border-hi);
    box-shadow:
            var(--shadow-blue),
            var(--shadow-purple);
    transform: translateY(-4px);
}

/* Top accent glow line on hover */
.product-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--p-grad);
    opacity: 0;
    transition: opacity var(--tr-normal);
}
.product-card:hover::before { opacity: 1; }

/* Card image */
.card-image {
    position: relative;
    overflow: hidden;
    background: var(--p-bg-2);
}
.card-image img {
    width: 100%;
    display: block;
    transition: transform .5s ease;
    object-fit: cover;
}
.product-card:hover .card-image img { transform: scale(1.04); }

/* Category badge on image */
.card-brand-chip {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    background: var(--p-grad);
    color: #fff;
    text-transform: uppercase;
}

/* Card body */
.card-body {
    padding: 20px 20px 16px;
}

.card-category {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--p-text-dim);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.card-category::before {
    content: '';
    width: 18px; height: 1px;
    background: var(--p-text-dim);
    flex-shrink: 0;
}

.card-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--p-text);
    margin-bottom: 10px;
    line-height: 1.35;
}
.card-title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--tr-fast);
}
.card-title a:hover { color: var(--p-accent); }

.card-abstract {
    font-size: 13px;
    line-height: 1.7;
    color: var(--p-text-mid);
    margin-bottom: 16px;
}

/* ================================================================
   PRODUCT DNA BARS
   ================================================================ */
.product-dna {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-bottom: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--p-border);
}
.dna-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 11px;
}
.dna-label {
    width: 82px;
    color: var(--p-text-dim);
    font-weight: 600;
    letter-spacing: .3px;
    flex-shrink: 0;
    font-family: var(--p-mono);
}
.dna-track {
    flex: 1;
    height: 4px;
    background: var(--p-border);
    border-radius: 2px;
    overflow: hidden;
}
.dna-fill {
    height: 100%;
    border-radius: 2px;
    background: var(--p-grad);
    width: 0;
    transition: width .9s cubic-bezier(0.22,1,0.36,1) .15s;
}
.product-card.in-view .dna-fill { width: var(--dna-w); }
.dna-val {
    width: 28px;
    text-align: left;
    color: var(--p-text-mid);
    font-size: 10px;
    font-family: var(--p-mono);
}

/* ================================================================
   PROFESSIONAL HOVER OVERLAY
   ================================================================ */
.card-hover-overlay {
    position: absolute;
    inset: 0;
    background: var(--clr-surface);
    backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    transition: opacity var(--p-tr);
    padding: 24px;
    /* light: glass white; dark: glass dark — both via --clr-surface */
}
/* Slight tint so overlay feels intentional in both modes */
html:not([data-theme="dark"]) .card-hover-overlay {
    background: rgba(247,243,235,.93);
}
html[data-theme="dark"] .card-hover-overlay {
    background: rgba(5,8,22,.93);
}
.product-card:hover .card-hover-overlay { opacity: 1; }

.hover-product-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--p-text);
    margin-bottom: 4px;
    text-align: center;
}
.hover-divider {
    width: 40px; height: 1px;
    background: var(--p-grad);
    margin-bottom: 8px;
    border: none;
}

.hover-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    max-width: 220px;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font-base);
    text-decoration: none;
    transition: var(--p-tr);
    border: none;
    cursor: pointer;
}
.hover-btn-primary {
    background: var(--p-grad);
    color: #fff;
    box-shadow: var(--shadow-blue);
}
.hover-btn-primary:hover {
    box-shadow: 0 6px 24px rgba(14,165,233,.4);
    transform: translateY(-1px);
    color: #fff;
}
.hover-btn-ghost {
    background: transparent;
    color: var(--p-text-mid);
    border: 1px solid var(--p-border);
}
.hover-btn-ghost:hover {
    border-color: var(--p-accent);
    color: var(--p-accent);
    background: var(--p-glow-a);
}

/* ================================================================
   EMPTY STATE
   ================================================================ */
.products-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--p-text-mid);
}
.products-empty .empty-icon {
    font-size: 48px;
    color: var(--p-text-dim);
    margin-bottom: 20px;
}
.products-empty h2 { font-size: 22px; color: var(--p-text); margin-bottom: 10px; }
.products-empty p  { font-size: 14px; margin-bottom: 28px; }

/* ================================================================
   CONSULTANT SECTION
   ================================================================ */
.consultant-section {
    padding: 80px 0;
    border-top: 1px solid var(--p-border);
}
.consultant-inner {
    background: var(--clr-surface);
    border: 1px solid var(--p-border);
    border-radius: var(--radius-xl);
    padding: 56px 48px;
    display: flex;
    align-items: center;
    gap: 48px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(20px);
}
.consultant-inner::before {
    content: '';
    position: absolute;
    top: -60px; right: -60px;
    width: 240px; height: 240px;
    background: radial-gradient(circle, var(--p-glow-a) 0%, transparent 70%);
    pointer-events: none;
}
.consultant-inner::after {
    content: '';
    position: absolute;
    bottom: -60px; left: -60px;
    width: 200px; height: 200px;
    background: radial-gradient(circle, var(--p-glow-b) 0%, transparent 70%);
    pointer-events: none;
}

.consultant-icon {
    flex-shrink: 0;
    width: 80px; height: 80px;
    background: var(--p-glow-a);
    border: 1px solid var(--p-border-hi);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: var(--p-accent);
}
.consultant-text { flex: 1; }
.consultant-eyebrow {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    background: var(--p-grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    display: block;
}
.consultant-title {
    font-size: 26px;
    font-weight: 900;
    color: var(--p-text);
    margin-bottom: 10px;
}
.consultant-body {
    font-size: 15px;
    color: var(--p-text-mid);
    line-height: 1.7;
    margin: 0;
}
.consultant-action { flex-shrink: 0; }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 991px) {
    .orbit-stage      { width: 300px; height: 300px; }
    .orbit-ring-3     { display: none; }
    .stats-inner      { grid-template-columns: repeat(2, 1fr); }
    .stat-block:nth-child(2) { border-left: none; }
    .consultant-inner { flex-direction: column; text-align: center; gap: 28px; }
}
@media (max-width: 767px) {
    .products-hero    { padding: 100px 0 60px; min-height: auto; }
    .stats-inner      { grid-template-columns: repeat(2, 1fr); }
    .masonry-grid     { columns: 1; }
    .consultant-inner { padding: 36px 24px; }
    .hero-actions     { flex-direction: column; }
    .btn-primary-hero,
    .btn-ghost-hero   { width: 100%; justify-content: center; }
}