/* ============================================================
   WATCHGEARLAB V13 — Global storefront stylesheet
   ============================================================
   - Design tokens (CSS variables) at the top.
   - Layout primitives: container, stack, grid.
   - Components: header, footer, announcement, hero, card, breadcrumb,
                 PDP gallery + purchase panel, ecosystem grid, fit finder,
                 collection filters, accordions, FAQ, related, sticky CTA.
   - 5-breakpoint responsive: 1440, 1180, 820, 430, 390.
   ============================================================ */

:root {
    /* Color tokens — neutral premium, black/white + warm accents. */
    --color-bg: #ffffff;
    --color-bg-alt: #f7f7f5;
    --color-bg-card: #ffffff;
    --color-ink: #1a1a1a;
    --color-ink-soft: #4a4a4a;
    --color-ink-mute: #757575;
    --color-line: #e6e6e3;
    --color-line-strong: #d4d4d0;
    --color-accent: #c7a14a;       /* Warm brass — used sparingly. */
    --color-accent-deep: #8a6e26;
    --color-success: #2e7d32;
    --color-danger: #b3261e;
    --color-warning: #b85c00;
    --color-info: #1d5b9c;

    /* Typography. */
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
                 "Helvetica Neue", Arial, sans-serif;
    --font-display: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
                    "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;

    /* Sizes. */
    --fz-xs: 0.75rem;
    --fz-sm: 0.875rem;
    --fz-base: 1rem;
    --fz-md: 1.0625rem;
    --fz-lg: 1.25rem;
    --fz-xl: 1.5rem;
    --fz-2xl: 2rem;
    --fz-3xl: 2.5rem;
    --fz-4xl: 3rem;
    --fz-5xl: 4rem;

    /* Spacing. */
    --sp-1: 4px;
    --sp-2: 8px;
    --sp-3: 12px;
    --sp-4: 16px;
    --sp-5: 20px;
    --sp-6: 24px;
    --sp-8: 32px;
    --sp-10: 40px;
    --sp-12: 48px;
    --sp-16: 64px;
    --sp-20: 80px;

    /* Radii. */
    --r-sm: 4px;
    --r-md: 8px;
    --r-lg: 12px;
    --r-xl: 18px;
    --r-pill: 999px;

    /* Shadows. */
    --shadow-1: 0 1px 2px rgba(0,0,0,0.04), 0 1px 1px rgba(0,0,0,0.04);
    --shadow-2: 0 4px 14px rgba(0,0,0,0.06);
    --shadow-3: 0 14px 36px rgba(0,0,0,0.10);

    /* Layout. */
    --max-w: 1440px;
    --pad-x: clamp(16px, 4vw, 64px);

    /* Touch targets (mobile). */
    --tap: 44px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: var(--font-sans);
    font-size: var(--fz-base);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
hr { border: 0; height: 1px; background: var(--color-line); margin: var(--sp-8) 0; }
input, select, textarea { font: inherit; color: inherit; }

/* ============================================================
   LAYOUT PRIMITIVES
   ============================================================ */
.container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--pad-x);
}
.stack > * + * { margin-top: var(--sp-4); }
.stack-lg > * + * { margin-top: var(--sp-8); }
.stack-xl > * + * { margin-top: var(--sp-12); }
.row { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }
.spacer { flex: 1; }
.muted { color: var(--color-ink-mute); }
.tiny { font-size: var(--fz-xs); letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-ink-mute); }
.hide-mobile { display: initial; }
.show-mobile { display: none; }

/* ============================================================
   ANNOUNCEMENT BAR
   ============================================================ */
.announce {
    background: var(--color-ink);
    color: #f5f5f2;
    font-size: var(--fz-sm);
    text-align: center;
    padding: var(--sp-2) var(--pad-x);
    letter-spacing: 0.01em;
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
}
.header-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--sp-6);
    padding: var(--sp-4) var(--pad-x);
    max-width: var(--max-w);
    margin: 0 auto;
}
.brand {
    display: flex;
    align-items: baseline;
    gap: 6px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--fz-lg);
    letter-spacing: -0.01em;
    color: var(--color-ink);
    text-decoration: none;
}
.brand-mark {
    display: inline-block;
    width: 26px; height: 26px;
    border-radius: 6px;
    background: var(--color-ink);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    text-align: center;
    line-height: 26px;
    letter-spacing: 0;
}
.brand-mark::after { content: "W"; }
.brand-name { white-space: nowrap; }
.brand-tag { display: none; }

.main-nav {
    display: flex;
    gap: var(--sp-2);
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
}
.main-nav a, .main-nav button {
    color: var(--color-ink);
    text-decoration: none;
    font-size: var(--fz-sm);
    font-weight: 500;
    padding: 8px 10px;
    border-radius: var(--r-sm);
    background: transparent;
    border: 0;
}
.main-nav a:hover, .main-nav button:hover {
    background: var(--color-bg-alt);
    text-decoration: none;
}
.main-nav .is-cta {
    background: var(--color-ink);
    color: #fff;
    padding: 8px 14px;
    border-radius: var(--r-pill);
}
.main-nav .is-cta:hover {
    background: var(--color-ink-soft);
}
.has-menu {
    position: relative;
}
.has-menu .menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-2);
    padding: var(--sp-3);
    display: none;
    min-width: 220px;
    margin-top: 4px;
}
.has-menu:hover .menu,
.has-menu:focus-within .menu { display: grid; gap: 4px; }
.menu a {
    display: block;
    padding: 8px 10px;
    border-radius: var(--r-sm);
    font-size: var(--fz-sm);
}
.menu a:hover { background: var(--color-bg-alt); }

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    justify-content: flex-end;
}
.search-toggle {
    background: transparent;
    border: 1px solid var(--color-line);
    border-radius: var(--r-pill);
    padding: 8px 14px;
    color: var(--color-ink);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: var(--fz-sm);
}
.search-toggle svg { width: 16px; height: 16px; }
.mobile-menu-btn {
    display: none;
    background: transparent;
    border: 1px solid var(--color-line);
    border-radius: var(--r-sm);
    padding: 8px 10px;
}

/* Mobile drawer */
.mobile-drawer {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 80;
}
.mobile-drawer .panel {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 86%;
    max-width: 380px;
    background: #fff;
    padding: var(--sp-6);
    overflow-y: auto;
}
.mobile-drawer.is-open { display: block; }
.mobile-drawer h3 {
    font-size: var(--fz-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: var(--sp-4) 0 var(--sp-2);
    color: var(--color-ink-mute);
}
.mobile-drawer a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-line);
    font-weight: 500;
    color: var(--color-ink);
}

/* ============================================================
   BREADCRUMBS
   ============================================================ */
.breadcrumb {
    padding: var(--sp-3) 0;
    font-size: var(--fz-sm);
    color: var(--color-ink-mute);
}
.breadcrumb a { color: var(--color-ink-mute); }
.breadcrumb a:hover { color: var(--color-ink); }
.breadcrumb .sep { padding: 0 6px; color: var(--color-line-strong); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    background: linear-gradient(180deg, #fafaf8 0%, #ffffff 100%);
    padding: var(--sp-16) var(--pad-x) var(--sp-12);
    border-bottom: 1px solid var(--color-line);
}
.hero-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: var(--sp-12);
    align-items: center;
}
.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5.5vw, var(--fz-5xl));
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin: 0 0 var(--sp-4);
    font-weight: 700;
    color: var(--color-ink);
}
.hero p.lede {
    font-size: var(--fz-md);
    color: var(--color-ink-soft);
    margin: 0 0 var(--sp-6);
    max-width: 56ch;
}
.hero .ctas {
    display: flex;
    gap: var(--sp-3);
    flex-wrap: wrap;
}
.hero-visual {
    aspect-ratio: 4 / 3;
    background: var(--color-bg-alt);
    border-radius: var(--r-xl);
    overflow: hidden;
    border: 1px solid var(--color-line);
    position: relative;
}
.hero-visual img {
    width: 100%; height: 100%;
    object-fit: cover;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 22px;
    border-radius: var(--r-pill);
    border: 1px solid var(--color-ink);
    background: var(--color-ink);
    color: #fff;
    font-weight: 600;
    font-size: var(--fz-sm);
    letter-spacing: 0.02em;
    text-decoration: none;
    min-height: var(--tap);
    min-width: var(--tap);
    transition: transform .12s ease, background .12s ease;
}
.btn:hover { background: var(--color-ink-soft); text-decoration: none; transform: translateY(-1px); }
.btn.is-secondary { background: transparent; color: var(--color-ink); border-color: var(--color-line-strong); }
.btn.is-secondary:hover { background: var(--color-bg-alt); border-color: var(--color-ink); }
.btn.is-block { width: 100%; }
.btn[disabled], .btn[aria-disabled="true"] {
    opacity: 0.55; cursor: not-allowed; transform: none;
}
.btn.is-large { padding: 18px 28px; font-size: var(--fz-base); }

/* ============================================================
   SECTION TITLE
   ============================================================ */
.section { padding: var(--sp-12) 0; }
.section.tight { padding: var(--sp-8) 0; }
.section h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, var(--fz-2xl));
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin: 0 0 var(--sp-3);
    font-weight: 700;
    color: var(--color-ink);
}
.section .lede {
    color: var(--color-ink-soft);
    margin: 0 0 var(--sp-6);
    max-width: 60ch;
}
.section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: var(--sp-4);
    margin-bottom: var(--sp-6);
    flex-wrap: wrap;
}
.section-head .more {
    color: var(--color-ink);
    font-size: var(--fz-sm);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 4px;
}

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-6);
}
.product-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-card);
    border: 1px solid var(--color-line);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
    text-decoration: none;
    color: inherit;
    height: 100%;
}
.product-card:hover {
    border-color: var(--color-line-strong);
    box-shadow: var(--shadow-2);
    transform: translateY(-2px);
    text-decoration: none;
}
.product-card .thumb {
    aspect-ratio: 1 / 1;
    background: var(--color-bg-alt);
    overflow: hidden;
    position: relative;
}
.product-card .thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.product-card:hover .thumb img { transform: scale(1.04); }
.product-card .meta {
    padding: var(--sp-4);
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}
.product-card .category {
    font-size: var(--fz-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-ink-mute);
}
.product-card h3 {
    font-size: var(--fz-base);
    font-weight: 600;
    line-height: 1.3;
    margin: 0;
    color: var(--color-ink);
    letter-spacing: -0.005em;
}
.product-card .compat {
    color: var(--color-ink-soft);
    font-size: var(--fz-sm);
    line-height: 1.4;
    margin: 4px 0 0;
}
.product-card .price-row {
    margin-top: auto;
    padding-top: var(--sp-3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-3);
}
.product-card .price {
    font-size: var(--fz-md);
    font-weight: 700;
    color: var(--color-ink);
}
.product-card .price-note {
    font-size: var(--fz-xs);
    color: var(--color-ink-mute);
    font-weight: 500;
    letter-spacing: 0.03em;
}
.product-card .view-cta {
    font-size: var(--fz-sm);
    font-weight: 600;
    color: var(--color-ink);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ============================================================
   SHOP BY WATCH
   ============================================================ */
.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-4);
}
.ecosystem-tile {
    aspect-ratio: 4 / 3;
    border: 1px solid var(--color-line);
    border-radius: var(--r-lg);
    background: var(--color-bg-card);
    padding: var(--sp-5);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-decoration: none;
    color: inherit;
    transition: border-color .12s ease, box-shadow .12s ease;
}
.ecosystem-tile:hover {
    border-color: var(--color-line-strong);
    box-shadow: var(--shadow-2);
    text-decoration: none;
}
.ecosystem-tile .eyebrow {
    font-size: var(--fz-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-ink-mute);
}
.ecosystem-tile h3 {
    font-size: var(--fz-lg);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 0;
    color: var(--color-ink);
}
.ecosystem-tile .count {
    color: var(--color-ink-soft);
    font-size: var(--fz-sm);
}

/* ============================================================
   SHOP BY CATEGORY
   ============================================================ */
.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-4);
}
.category-tile {
    border: 1px solid var(--color-line);
    border-radius: var(--r-lg);
    background: var(--color-bg-card);
    padding: var(--sp-5);
    text-decoration: none;
    color: inherit;
    transition: border-color .12s ease, box-shadow .12s ease;
    min-height: 132px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.category-tile:hover {
    border-color: var(--color-line-strong);
    box-shadow: var(--shadow-2);
    text-decoration: none;
}
.category-tile h3 {
    font-size: var(--fz-md);
    font-weight: 700;
    margin: 0;
    color: var(--color-ink);
    letter-spacing: -0.005em;
}
.category-tile .desc {
    font-size: var(--fz-sm);
    color: var(--color-ink-soft);
    margin-top: 6px;
}
.category-tile .count {
    font-size: var(--fz-xs);
    color: var(--color-ink-mute);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar {
    background: var(--color-bg-alt);
    padding: var(--sp-8) 0;
    border-top: 1px solid var(--color-line);
    border-bottom: 1px solid var(--color-line);
}
.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-6);
}
.trust-tile h4 {
    margin: 0 0 4px;
    font-size: var(--fz-base);
    font-weight: 700;
    color: var(--color-ink);
}
.trust-tile p {
    margin: 0;
    font-size: var(--fz-sm);
    color: var(--color-ink-soft);
    line-height: 1.5;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: #0e0e0e;
    color: #f0f0ec;
    padding: var(--sp-16) 0 var(--sp-6);
    margin-top: var(--sp-16);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(4, 1fr);
    gap: var(--sp-8);
}
.footer-grid h5 {
    font-size: var(--fz-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #aaa;
    margin: 0 0 var(--sp-4);
}
.footer-grid a {
    display: block;
    color: #f0f0ec;
    text-decoration: none;
    padding: 4px 0;
    font-size: var(--fz-sm);
}
.footer-grid a:hover { color: #fff; text-decoration: underline; }
.footer-brand {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--fz-lg);
    color: #fff;
    margin-bottom: var(--sp-3);
}
.footer-blurb {
    color: #c0c0bb;
    font-size: var(--fz-sm);
    line-height: 1.55;
    margin: 0 0 var(--sp-4);
    max-width: 36ch;
}
.footer-meta {
    border-top: 1px solid #2a2a2a;
    margin-top: var(--sp-10);
    padding-top: var(--sp-5);
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-4);
    justify-content: space-between;
    color: #aaa;
    font-size: var(--fz-xs);
    letter-spacing: 0.04em;
}

/* ============================================================
   COLLECTION PAGE
   ============================================================ */
.collection-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--sp-8);
    padding: var(--sp-6) 0 var(--sp-12);
}
.filters-panel {
    border: 1px solid var(--color-line);
    border-radius: var(--r-lg);
    padding: var(--sp-5);
    background: var(--color-bg-card);
    position: sticky;
    top: 80px;
    align-self: start;
}
.filter-group { margin-bottom: var(--sp-5); }
.filter-group:last-child { margin-bottom: 0; }
.filter-group h4 {
    font-size: var(--fz-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-ink-mute);
    margin: 0 0 var(--sp-3);
}
.filter-list {
    list-style: none;
    margin: 0; padding: 0;
}
.filter-list li {
    padding: 6px 0;
    font-size: var(--fz-sm);
    color: var(--color-ink-soft);
    display: flex;
    align-items: center;
    gap: 8px;
}
.filter-list label {
    cursor: pointer;
    user-select: none;
}
.filter-list input[type="checkbox"],
.filter-list input[type="radio"] {
    accent-color: var(--color-ink);
}
.collection-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-3);
    flex-wrap: wrap;
    margin-bottom: var(--sp-5);
}
.collection-toolbar .count {
    color: var(--color-ink-soft);
    font-size: var(--fz-sm);
}
.sort-control {
    border: 1px solid var(--color-line-strong);
    border-radius: var(--r-pill);
    padding: 8px 14px;
    background: #fff;
    color: var(--color-ink);
    font-size: var(--fz-sm);
}
.collection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-5);
}

/* Mobile filter trigger. */
.filter-trigger {
    display: none;
}

/* ============================================================
   PDP — PRODUCT DETAIL
   ============================================================ */
.pdp {
    padding: var(--sp-6) 0 var(--sp-12);
}
.pdp-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: var(--sp-10);
}
.gallery {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--sp-4);
}
.gallery-thumbs {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    max-height: 720px;
    overflow-y: auto;
}
.gallery-thumb {
    width: 80px;
    aspect-ratio: 1 / 1;
    border: 1px solid var(--color-line);
    border-radius: var(--r-sm);
    background: var(--color-bg-alt);
    cursor: pointer;
    overflow: hidden;
    padding: 0;
    flex-shrink: 0;
}
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumb.is-active { border-color: var(--color-ink); border-width: 2px; }
.gallery-hero {
    aspect-ratio: 1 / 1;
    background: var(--color-bg-alt);
    border-radius: var(--r-lg);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--color-line);
}
.gallery-hero img {
    width: 100%; height: 100%; object-fit: cover;
    cursor: zoom-in;
}
.gallery-hero .nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px; height: 44px;
    border-radius: var(--r-pill);
    background: rgba(255,255,255,0.92);
    border: 1px solid var(--color-line);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-ink);
}
.gallery-hero .nav.prev { left: 12px; }
.gallery-hero .nav.next { right: 12px; }
.gallery-counter {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    font-size: var(--fz-xs);
    padding: 4px 10px;
    border-radius: var(--r-pill);
    letter-spacing: 0.05em;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.92);
    z-index: 100;
    align-items: center;
    justify-content: center;
}
.lightbox.is-open { display: flex; }
.lightbox img {
    max-width: 92vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--r-md);
}
.lightbox .close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 44px;
    height: 44px;
    border-radius: var(--r-pill);
    background: rgba(255,255,255,0.18);
    color: #fff;
    border: 0;
    cursor: pointer;
}

/* Purchase panel */
.purchase {
    display: flex;
    flex-direction: column;
    gap: var(--sp-5);
}
.purchase .eyebrow {
    font-size: var(--fz-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-ink-mute);
}
.purchase h1 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, var(--fz-2xl));
    line-height: 1.18;
    letter-spacing: -0.015em;
    margin: 0;
    color: var(--color-ink);
    font-weight: 700;
}
.purchase .proposition {
    color: var(--color-ink-soft);
    font-size: var(--fz-md);
    margin: 0;
    line-height: 1.5;
}
.purchase .price-row {
    display: flex;
    align-items: baseline;
    gap: var(--sp-3);
    flex-wrap: wrap;
}
.purchase .price {
    font-size: var(--fz-2xl);
    font-weight: 700;
    color: var(--color-ink);
    letter-spacing: -0.01em;
}
.purchase .price-note {
    font-size: var(--fz-xs);
    color: var(--color-ink-mute);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.purchase .compat-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-line);
    border-radius: var(--r-md);
    padding: var(--sp-4);
    font-size: var(--fz-sm);
    color: var(--color-ink-soft);
    line-height: 1.5;
}
.purchase .compat-card strong { color: var(--color-ink); }

.variant-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.variant-group .label {
    font-size: var(--fz-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-ink-mute);
    font-weight: 600;
}
.swatch-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
}
.swatch {
    border: 1px solid var(--color-line-strong);
    border-radius: var(--r-md);
    background: #fff;
    color: var(--color-ink);
    padding: 10px 14px;
    font-size: var(--fz-sm);
    font-weight: 500;
    cursor: pointer;
    min-height: var(--tap);
    min-width: var(--tap);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.swatch.is-active {
    border-color: var(--color-ink);
    border-width: 2px;
    padding: 9px 13px;
}
.swatch:disabled {
    color: var(--color-line-strong);
    background: var(--color-bg-alt);
    cursor: not-allowed;
    text-decoration: line-through;
}
.size-pill {
    border: 1px solid var(--color-line-strong);
    background: #fff;
    color: var(--color-ink);
    border-radius: var(--r-pill);
    padding: 8px 14px;
    font-size: var(--fz-sm);
    font-weight: 500;
    cursor: pointer;
    min-height: var(--tap);
}
.size-pill.is-active {
    border-color: var(--color-ink);
    border-width: 2px;
    padding: 7px 13px;
}
.size-pill:disabled {
    color: var(--color-line-strong);
    background: var(--color-bg-alt);
    cursor: not-allowed;
    text-decoration: line-through;
}

.qty {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--color-line-strong);
    border-radius: var(--r-pill);
    overflow: hidden;
    background: #fff;
}
.qty button {
    width: var(--tap); height: var(--tap);
    background: transparent;
    border: 0;
    color: var(--color-ink);
    font-size: var(--fz-lg);
    font-weight: 600;
    cursor: pointer;
}
.qty input {
    width: 44px;
    height: var(--tap);
    border: 0;
    background: transparent;
    text-align: center;
    font-size: var(--fz-base);
    font-weight: 600;
    color: var(--color-ink);
}

.purchase .ctas {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-3);
}
.purchase .fit-cta {
    font-size: var(--fz-sm);
    color: var(--color-ink);
    text-decoration: underline;
    text-underline-offset: 4px;
    background: transparent;
    border: 0;
    padding: 0;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.purchase .trust-list {
    list-style: none;
    margin: 0;
    padding: var(--sp-4) 0 0;
    border-top: 1px solid var(--color-line);
    display: grid;
    gap: var(--sp-2);
    color: var(--color-ink-soft);
    font-size: var(--fz-sm);
}
.purchase .trust-list li {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

/* Below the fold */
.pdp-below {
    margin-top: var(--sp-16);
    display: grid;
    gap: var(--sp-12);
}
.pdp-below section h2 {
    font-family: var(--font-display);
    font-size: var(--fz-xl);
    margin: 0 0 var(--sp-4);
    letter-spacing: -0.01em;
    font-weight: 700;
    color: var(--color-ink);
}
.pdp-below .highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-3);
}
.pdp-below .highlights li {
    list-style: none;
    background: var(--color-bg-alt);
    border-radius: var(--r-md);
    padding: var(--sp-4);
    color: var(--color-ink-soft);
    font-size: var(--fz-sm);
}
.pdp-below .info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-5);
}
.pdp-below .info-grid h3 {
    font-size: var(--fz-base);
    margin: 0 0 6px;
    color: var(--color-ink);
    font-weight: 700;
}
.pdp-below .info-grid p {
    margin: 0;
    color: var(--color-ink-soft);
    font-size: var(--fz-sm);
    line-height: 1.6;
}
.pdp-below .faq-item {
    border-bottom: 1px solid var(--color-line);
    padding: var(--sp-4) 0;
}
.pdp-below .faq-item summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--color-ink);
    font-size: var(--fz-base);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--sp-3);
}
.pdp-below .faq-item summary::-webkit-details-marker { display: none; }
.pdp-below .faq-item summary::after {
    content: "+";
    font-weight: 400;
    font-size: var(--fz-xl);
    color: var(--color-ink-mute);
}
.pdp-below .faq-item[open] summary::after { content: "−"; }
.pdp-below .faq-item p {
    margin: var(--sp-3) 0 0;
    color: var(--color-ink-soft);
    font-size: var(--fz-sm);
    line-height: 1.6;
}

/* Related products */
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-4);
}

/* ============================================================
   FIT FINDER
   ============================================================ */
.fitfinder {
    padding: var(--sp-12) 0;
}
.fitfinder-card {
    border: 1px solid var(--color-line);
    border-radius: var(--r-xl);
    padding: var(--sp-8);
    background: var(--color-bg-card);
    max-width: 720px;
    margin: 0 auto;
}
.fitfinder-step {
    display: none;
}
.fitfinder-step.is-active { display: block; }
.fitfinder-step h2 {
    font-family: var(--font-display);
    font-size: var(--fz-2xl);
    margin: 0 0 var(--sp-2);
    color: var(--color-ink);
    font-weight: 700;
}
.fitfinder-step p.lede {
    color: var(--color-ink-soft);
    margin: 0 0 var(--sp-6);
}
.fitfinder-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-3);
}
.fitfinder-option {
    border: 1px solid var(--color-line-strong);
    border-radius: var(--r-md);
    padding: var(--sp-4);
    background: #fff;
    color: var(--color-ink);
    cursor: pointer;
    text-align: left;
    font: inherit;
    min-height: var(--tap);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.fitfinder-option:hover { border-color: var(--color-ink); }
.fitfinder-option.is-active {
    border-color: var(--color-ink);
    border-width: 2px;
    padding: calc(var(--sp-4) - 1px);
    background: var(--color-bg-alt);
}
.fitfinder-option .name {
    font-weight: 700;
    color: var(--color-ink);
    font-size: var(--fz-base);
}
.fitfinder-option .hint {
    color: var(--color-ink-mute);
    font-size: var(--fz-xs);
    margin-top: 4px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}
.fitfinder-progress {
    display: flex;
    gap: 6px;
    margin-bottom: var(--sp-5);
}
.fitfinder-progress span {
    flex: 1;
    height: 4px;
    background: var(--color-line);
    border-radius: 2px;
}
.fitfinder-progress span.is-done { background: var(--color-ink); }
.fitfinder-actions {
    display: flex;
    justify-content: space-between;
    gap: var(--sp-3);
    margin-top: var(--sp-6);
    flex-wrap: wrap;
}
.fitfinder-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-4);
}

/* ============================================================
   STICKY MOBILE CTA
   ============================================================ */
.sticky-cta {
    display: none;
    position: fixed;
    left: 0; right: 0;
    bottom: 0;
    background: #fff;
    border-top: 1px solid var(--color-line);
    padding: var(--sp-3) var(--pad-x);
    z-index: 70;
    box-shadow: 0 -8px 24px rgba(0,0,0,0.06);
}
.sticky-cta .row {
    align-items: center;
    gap: var(--sp-3);
}
.sticky-cta .price {
    font-weight: 700;
    font-size: var(--fz-md);
}
.sticky-cta .btn {
    flex: 1;
    max-width: 220px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1180px) {
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .ecosystem-grid { grid-template-columns: repeat(4, 1fr); }
    .category-grid { grid-template-columns: repeat(4, 1fr); }
    .related-grid { grid-template-columns: repeat(3, 1fr); }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .pdp-below .info-grid { grid-template-columns: 1fr; }
    .pdp-below .highlights { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
    .hero-inner { grid-template-columns: 1fr; }
    .hero-visual { aspect-ratio: 16 / 9; }
}

@media (max-width: 1024px) {
    .collection-layout { grid-template-columns: 1fr; }
    .filters-panel {
        position: fixed;
        top: 0; bottom: 0; right: 0;
        width: 320px;
        max-width: 90vw;
        z-index: 90;
        border-radius: 0;
        transform: translateX(100%);
        transition: transform .25s ease;
        overflow-y: auto;
    }
    .filters-panel.is-open { transform: translateX(0); }
    .filter-trigger {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 14px;
        border: 1px solid var(--color-line-strong);
        border-radius: var(--r-pill);
        background: #fff;
        color: var(--color-ink);
        font-size: var(--fz-sm);
        cursor: pointer;
    }
    .pdp-grid { grid-template-columns: 1fr; }
    .gallery { grid-template-columns: 1fr; }
    .gallery-thumbs {
        flex-direction: row;
        max-height: none;
        overflow-x: auto;
    }
}

@media (max-width: 820px) {
    .main-nav { display: none; }
    .mobile-menu-btn { display: inline-flex; align-items: center; gap: 6px; }
    .search-toggle .label { display: none; }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .collection-grid { grid-template-columns: repeat(2, 1fr); }
    .ecosystem-grid { grid-template-columns: repeat(2, 1fr); }
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .trust-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero { padding: var(--sp-10) var(--pad-x) var(--sp-8); }
    .pdp-below .info-grid { grid-template-columns: 1fr; }
}

@media (max-width: 430px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: var(--sp-3); }
    .collection-grid { grid-template-columns: repeat(2, 1fr); gap: var(--sp-3); }
    .ecosystem-grid { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
    .trust-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: clamp(1.8rem, 8vw, 2.4rem); }
    .section { padding: var(--sp-8) 0; }
    .product-card .meta { padding: var(--sp-3); }
    .product-card h3 { font-size: var(--fz-sm); }
    .product-card .compat { font-size: var(--fz-xs); }
    .pdp-grid { gap: var(--sp-5); }
    .gallery-hero { border-radius: var(--r-md); }
    .sticky-cta { display: block; }
    .pdp { padding-bottom: 100px; }
    .fitfinder-options { grid-template-columns: 1fr 1fr; }
    .fitfinder-results { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 390px) {
    .product-grid { grid-template-columns: 1fr 1fr; }
    .related-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   NOINDEX BANNER (visible only in staging preview)
   ============================================================ */
.staging-banner {
    background: #fff8e1;
    border-bottom: 1px solid #ffe082;
    color: #5d4e00;
    font-size: var(--fz-xs);
    text-align: center;
    padding: 6px var(--pad-x);
    letter-spacing: 0.04em;
}

/* ============================================================
   UTILITY: visual QA helpers (used only by test driver)
   ============================================================ */
.qa-overlay {
    position: fixed;
    inset: 0;
    border: 4px dashed #c7a14a;
    pointer-events: none;
    z-index: 200;
}
.qa-grid-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 199;
    background-image:
        linear-gradient(to right, rgba(199,161,74,0.08) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(199,161,74,0.08) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* Animation - respect reduced motion. */
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}