/* Fonts are loaded via <link> in the document head. An @import here
   would repeat that request AND chain it behind this stylesheet,
   delaying first paint. */

:root {
    /* Color Palette */
    --bg-page: #ffffff;
    --bg-card: #ffffff;
    --bg-carousel: #fef6d2;
    --border-color: #e0e0e0;
    --border-dark: #111111;
    --text-main: #111111;
    --text-muted: #555555;
    --text-light: #888888;
    --accent: #0d3b2e;
    --highlight: #0d3b2e;
    --highlight-text: #ffffff;
    
    /* Typography */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Space Mono', 'Courier New', monospace;
    
    /* Shadows & Radii */
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --radius-sm: 4px;
    --radius-md: 8px;

    /* Height of the sticky top nav, used as the offset for anything
       else that sticks beneath it */
    --nav-h: 51px;

    /* Gallery gutter — matches reference (32px at 1920px viewport),
       used as both the outer inset and the gap between images */
    --gutter: 32px;
    --gutter-social: 44px;
    --gutter-amazon: 16px;

    /* Reading measure & rhythm */
    --measure: 68ch;
    --space-xs: 10px;
    --space-sm: 18px;
    --space-md: 32px;
    --space-lg: 56px;
    --space-xl: 88px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-page);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--highlight);
    color: var(--highlight-text);
}

/* ===== LAYOUT CONTAINER ===== */
.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== TOP NAVIGATION BAR ===== */
.top-nav {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 900;
    padding: 14px 24px;
}

.top-nav-inner {
    max-width: 1140px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-main);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    transition: color 0.2s ease, transform 0.2s ease;
}

.back-link:hover {
    color: var(--accent);
    transform: translateX(-3px);
}

.nav-brand-tag {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--accent);
}

/* ===== HERO TOP BANNER ===== */
.hero-banner-wrapper {
    width: 100%;
    background-color: #f7f7f7;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.hero-banner-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* ===== HERO HEADER ===== */
.hero {
    padding: var(--space-lg) 0 var(--space-md);
}

.hero-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    margin-bottom: var(--space-sm);
    display: block;
    color: var(--accent);
    text-transform: uppercase;
}

.hero .title {
    font-family: var(--font-heading);
    font-size: clamp(2.1rem, 3.8vw, 3.4rem);
    font-weight: 300;
    letter-spacing: 0.01em;
    color: var(--text-main);
    margin-bottom: var(--space-sm);
    line-height: 1.15;
    text-transform: uppercase;
    max-width: 22ch;
    text-wrap: balance;
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: var(--space-lg);
    font-weight: 400;
}

/* ===== HERO META TABLE ===== */
.meta-table {
    border-top: 1px solid var(--border-dark);
    max-width: 940px;
}

.meta-row {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    gap: var(--space-md);
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
    align-items: baseline;
}

.meta-row dt {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-light);
}

.meta-row dd {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-main);
    max-width: 100%;
    text-align: justify;
    text-justify: inter-word;
    hyphens: auto;
    -webkit-hyphens: auto;
}

/* ===== SECTION COMMON ===== */
section {
    padding: var(--space-xl) 0;
}

.section-header {
    margin-bottom: var(--space-md);
}

.step-number {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: #ffffff;
    background-color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    margin-bottom: var(--space-sm);
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.9rem, 3.2vw, 2.75rem);
    font-weight: 300;
    letter-spacing: 0.02em;
    line-height: 1.2;
    color: var(--text-main);
    text-transform: uppercase;
    max-width: 20ch;
}

.text-content {
    font-size: 1.02rem;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 100%;
    text-align: justify;
    text-justify: inter-word;
    hyphens: auto;
    -webkit-hyphens: auto;
}

.text-content p {
    margin-bottom: var(--space-sm);
}

.text-content p:last-child {
    margin-bottom: 0;
}

.text-content strong {
    color: var(--text-main);
    font-weight: 600;
}

.section-subtitle {
    font-size: 1.05rem;
    font-family: var(--font-body);
    color: var(--text-muted);
    margin-top: var(--space-xs);
    line-height: 1.7;
    max-width: 100%;
    text-align: justify;
    text-justify: inter-word;
    hyphens: auto;
    -webkit-hyphens: auto;
}

/* ===== CHALLENGE IMAGE ===== */
.challenge-image-wrapper {
    margin-top: var(--space-lg);
    background-color: transparent;
    overflow: hidden;
    /* full-bleed with the gallery gutter, matching the reference */
    width: 100vw;
    margin-left: calc(50% - 50vw);
    padding: 0 var(--gutter);
}

.challenge-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

/* ===== CATEGORY TABS ===== */
.category-labels {
    display: flex;
    justify-content: space-between;
    text-align: left;
    padding-top: 30px;
    padding-bottom: 15px;
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
    overflow-x: auto;
    gap: 15px;
}

/* The A+ banners are extremely tall, so this switcher alone sticks
   beneath the top nav — you can change product without scrolling back
   up. Scoped by id so the product-carousel switcher is unaffected. */
#amazonCategoryLabels {
    position: sticky;
    top: var(--nav-h);
    z-index: 500;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    margin-top: var(--space-md);

    /* Break out of .container so the bar spans the full viewport —
       otherwise its background stops at 1140px and the banners show
       either side of it. Padding re-insets the labels so they stay
       aligned with the body text column. */
    width: 100vw;
    margin-left: calc(50% - 50vw);
    padding-left: max(24px, calc((100vw - 1140px) / 2 + 24px));
    padding-right: max(24px, calc((100vw - 1140px) / 2 + 24px));
}

.category-label, .amazon-category-label {
    cursor: pointer;
    padding-bottom: 12px;
    border-bottom: 3px solid transparent;
    transition: all 0.25s ease;
    flex: 1;
    min-width: 120px;
}

.category-label small, .amazon-category-label small {
    color: var(--text-light);
    font-size: 0.68rem;
    font-family: var(--font-mono);
    font-weight: 700;
    letter-spacing: 0.12em;
    display: block;
    margin-bottom: 4px;
    text-transform: uppercase;
}

.category-label strong, .amazon-category-label strong {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--text-main);
    display: block;
    line-height: 1.2;
    text-transform: uppercase;
}

.category-label.active, .amazon-category-label.active {
    border-bottom-color: var(--accent);
}

.category-label.active small, .amazon-category-label.active small {
    color: var(--accent);
}

.category-label.active strong, .amazon-category-label.active strong {
    color: var(--accent);
    font-weight: 700;
}

/* ===== PRODUCT CAROUSEL SECTION ===== */
.product-carousel-section {
    background-color: var(--bg-carousel);
    position: relative;
    overflow: hidden;
    margin-top: 10px;
    margin-bottom: 50px;
}

.carousel-track {
    display: flex;
    transition: transform 0.45s cubic-bezier(0.25, 1, 0.5, 1);
}

.carousel-slide {
    flex: 0 0 100%;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    min-height: 460px;
}

.product-info {
    padding: 60px 40px 60px 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-badge {
    background-color: var(--accent);
    color: #ffffff;
    padding: 4px 10px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 24px;
    display: inline-block;
    letter-spacing: 0.08em;
    width: fit-content;
}

.product-title {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 4vw, 3.6rem);
    letter-spacing: 0.03em;
    margin-bottom: 4px;
    font-weight: 300;
    text-transform: uppercase;
    line-height: 1.1;
    color: var(--text-main);
}

.product-subtitle {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    margin-bottom: 28px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--accent);
}

.product-desc {
    margin-bottom: 14px;
    max-width: 90%;
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.65;
    color: #222222;
}

.product-desc strong {
    font-family: var(--font-mono);
    color: var(--text-main);
    font-weight: 700;
}

.product-image {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 60px 40px 20px;
}

.product-image img {
    max-width: 85%;
    max-height: 380px;
    object-fit: contain;
    filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.12));
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--border-color);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--text-main);
    cursor: pointer;
    z-index: 10;
    transition: all 0.2s ease;
}

.carousel-btn:hover {
    background: #ffffff;
    color: var(--accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.carousel-btn.prev { left: 16px; }
.carousel-btn.next { right: 16px; }

/* ===== THE ECOSYSTEM SECTION ===== */
.ecosystem-block {
    margin-bottom: 90px;
}

.ecosystem-block:last-child {
    margin-bottom: 0;
}

.ecosystem-text {
    margin-bottom: var(--space-lg);
}

.ecosystem-text h3 {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--border-color);
    color: var(--accent);
}

.ecosystem-text p {
    font-family: var(--font-body);
    font-size: 1.02rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
    max-width: 100%;
    text-align: justify;
    text-justify: inter-word;
    hyphens: auto;
    -webkit-hyphens: auto;
}

.ecosystem-text p:last-child {
    margin-bottom: 0;
}

.ecosystem-text strong {
    color: var(--text-main);
    font-weight: 600;
}

/* ===== PACKAGING GALLERY =====
   Matches reference layout: full-bleed to the viewport with a
   --gutter inset, and the same --gutter between every image. */
.flush-grid {
    display: flex;
    flex-direction: column;
    gap: var(--gutter);
    margin-top: var(--space-lg);
    /* break out of .container to full viewport width */
    width: 100vw;
    margin-left: calc(50% - 50vw);
    padding: 0 var(--gutter);
    background-color: transparent;
}

.grid-row-1 {
    width: 100%;
}

.grid-row-1 img {
    width: 100%;
    height: auto;
    display: block;
}

/* Each image carries --ar (its width÷height). Giving it a flex-grow of
   --ar makes the images in a row share the width in proportion to their
   aspect, which lands them all at exactly the SAME height — no cropping,
   no ragged bottoms when a portrait is paired with a landscape.
   Rows of equally-proportioned images split evenly, as before. */
.grid-row-2 {
    display: flex;
    gap: var(--gutter);
    width: 100%;
    align-items: flex-start;
}

.grid-row-2 img {
    flex-grow: var(--ar, 1);
    flex-shrink: 1;
    flex-basis: 0;
    min-width: 0;
    height: auto;
    display: block;
}

.grid-row-4 {
    display: flex;
    gap: var(--gutter);
    width: 100%;
    align-items: flex-start;
}

.grid-row-4 img {
    flex-grow: var(--ar, 1);
    flex-shrink: 1;
    flex-basis: 0;
    min-width: 0;
    height: auto;
    display: block;
}

/* ===== AMAZON A+ SECTION ===== */
.pull-quote {
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 2.2vw, 1.75rem);
    font-weight: 300;
    text-transform: none;
    line-height: 1.45;
    margin: var(--space-lg) 0;
    letter-spacing: 0.01em;
    color: var(--text-main);
    border-left: 2px solid var(--accent);
    padding-left: var(--space-md);
    max-width: 100%;
    text-wrap: pretty;
}

.amazon-carousel-section {
    position: relative;
    /* full-bleed; the inset lives on the slide so that overflow:hidden
       clips at the viewport edge instead of the padding edge (which
       would let neighbouring slides show through) */
    overflow: hidden;
    width: 100vw;
    margin-left: calc(50% - 50vw);
    padding: 0;
    margin-top: var(--space-md);
    margin-bottom: var(--space-lg);

    --aplus-inset: 80px;
}

/* --- Column proportions -------------------------------------------------
   Each slide carries --sum-d / --sum-m: the sum of height÷width of the
   images stacked in that column. A column of width W stands exactly
   W * sum tall, so the two columns end level when their widths are in
   the inverse ratio  W_d : W_m  =  sum_m : sum_d.
   Giving each column a flex-grow of the OTHER column's sum produces
   exactly that split, while the pair always fills the full width — so
   every product keeps identical left/right margins and both columns
   still bottom out together. Section height then follows each product's
   own content, which is the unavoidable trade-off for fixed margins. */
.amazon-slide {
    flex: 0 0 100%;
    display: flex;
    align-items: flex-start;
    gap: var(--gutter-amazon);
    padding: 0 var(--aplus-inset);
}

.amazon-column-left,
.amazon-column-right {
    display: flex;
    flex-direction: column;
    gap: 0;
    flex-basis: 0;
    flex-shrink: 1;
    min-width: 0;
}

.amazon-column-left {
    flex-grow: var(--sum-m);
}

.amazon-column-right {
    flex-grow: var(--sum-d);
}

.amazon-column-left img,
.amazon-column-right img {
    width: 100%;
    height: auto;
    display: block;
}

/* ===== SOCIAL MEDIA CAMPAIGNS ===== */
.social-showcase {
    /* full-bleed with the reference's wider inset */
    width: 100vw;
    margin-left: calc(50% - 50vw);
    padding: 0 88px;
    margin-top: var(--space-lg);
}

.social-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gutter-social);
    margin-bottom: var(--gutter-social);
}

.social-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gutter-social);
    max-width: calc(50% - (var(--gutter-social) / 2));
    margin: 0 auto;
}

.social-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.social-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent);
}

.social-card-img-wrap {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background-color: #f7f7f7;
}

.social-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.social-card:hover .social-card-img-wrap img {
    transform: scale(1.03);
}

.social-card-footer {
    padding: 16px 18px 20px;
    border-top: 1px solid var(--border-color);
    background: #ffffff;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.social-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.72rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-light);
    margin-bottom: 8px;
    font-weight: 700;
}

.social-card-meta span:last-child {
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: bold;
    transition: transform 0.2s ease;
}

.social-card:hover .social-card-meta span:last-child {
    transform: translateX(4px);
}

.social-card-title {
    font-size: 0.95rem;
    font-family: var(--font-heading);
    line-height: 1.35;
    margin: 0;
    font-weight: 600;
    color: var(--text-main);
}

.see-more-wrap {
    text-align: center;
    margin-top: 50px;
}

.see-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-main);
    border: 1px solid var(--border-dark);
    text-decoration: none;
    letter-spacing: 0.12em;
    transition: all 0.25s ease;
    background: #ffffff;
}

.see-more-btn:hover {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
}

/* ===== SUB-HEADINGS ===== */
.sub-head {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin: var(--space-lg) 0 var(--space-sm);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--border-color);
}

/* ===== BULLET / RULE LISTS ===== */
.trigger-list {
    list-style: none;
    margin: var(--space-sm) 0 var(--space-md);
    max-width: 100%;
}

.trigger-list li {
    position: relative;
    padding-left: 26px;
    margin-bottom: 12px;
    line-height: 1.75;
    text-align: justify;
    text-justify: inter-word;
    hyphens: auto;
    -webkit-hyphens: auto;
}

.trigger-list li:last-child {
    margin-bottom: 0;
}

.trigger-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 14px;
    width: 12px;
    height: 1px;
    background-color: var(--accent);
}

.trigger-list strong,
.rules-list strong {
    color: var(--text-main);
    font-weight: 600;
}

.rules-list {
    list-style: none;
    counter-reset: rules;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1px;
    background-color: var(--border-color);
    border: 1px solid var(--border-color);
    margin: var(--space-md) 0 0;
}

.rules-list li {
    counter-increment: rules;
    background-color: var(--bg-card);
    padding: var(--space-md) 26px;
    font-size: 0.93rem;
    line-height: 1.7;
    color: var(--text-muted);
}

.rules-list li::before {
    content: counter(rules, decimal-leading-zero);
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.12em;
}

.rules-list strong {
    display: block;
    margin-bottom: 4px;
    font-size: 0.98rem;
}

/* ===== CALLOUT ===== */
.callout {
    border-top: 2px solid var(--accent);
    background-color: #f7f9f8;
    padding: var(--space-md) var(--space-md) 34px;
    margin: var(--space-lg) 0 0;
    max-width: 100%;
}

.callout-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--space-sm);
}

.callout p {
    font-family: var(--font-heading);
    font-size: clamp(1.15rem, 1.8vw, 1.45rem);
    font-weight: 300;
    line-height: 1.5;
    color: var(--text-main);
    letter-spacing: 0.01em;
}

.constraint-note {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-color);
    font-size: 0.95rem;
    font-style: italic;
    color: var(--text-light);
}

/* ===== DATA TABLES ===== */
.table-scroll {
    overflow-x: auto;
    margin: var(--space-md) 0 0;
    border-top: 2px solid var(--text-main);
}

.data-table {
    width: 100%;
    min-width: 620px;
    border-collapse: collapse;
    font-size: 0.93rem;
    line-height: 1.7;
}

.data-table th {
    text-align: left;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-light);
    padding: 16px 24px 14px 0;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.data-table th:last-child,
.data-table td:last-child {
    padding-right: 0;
}

.data-table td {
    padding: 22px 24px 22px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
    vertical-align: top;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table td:first-child {
    color: var(--text-main);
    font-weight: 500;
    width: 22%;
    font-size: 0.98rem;
}

.data-table strong {
    color: var(--accent);
    font-weight: 700;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.impact-table td:first-child {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 700;
}

.note-line {
    margin-top: var(--space-md);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    line-height: 1.8;
    color: var(--text-light);
    letter-spacing: 0.02em;
    max-width: 100%;
}

.note-line strong {
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Small label identifying what a gallery is showing */
.section-caption {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-top: var(--space-md);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .section-caption {
        font-size: 0.66rem;
        letter-spacing: 0.06em;
    }
}

/* ===== LINKS OUT TO THE LIVE STORE ===== */
.meta-link {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid rgba(13, 59, 46, 0.3);
    padding-bottom: 1px;
    transition: border-color 0.2s ease;
}

.meta-link:hover {
    border-bottom-color: var(--accent);
}

.footer-link {
    margin-bottom: 14px;
}

.footer-link a {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid rgba(13, 59, 46, 0.3);
    padding-bottom: 3px;
    transition: border-color 0.2s ease;
}

.footer-link a:hover {
    border-bottom-color: var(--accent);
}

/* ===== BACK TO TOP =====
   Deliberately quiet: hairline square that matches the carousel
   buttons, sits at low opacity until hovered, and stays hidden
   until you are well down the page. */
.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    cursor: pointer;
    z-index: 800;

    /* hidden state */
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.25s ease, transform 0.25s ease,
                visibility 0.25s ease, background-color 0.2s ease,
                color 0.2s ease, border-color 0.2s ease;
}

.back-to-top.is-visible {
    opacity: 0.55;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top.is-visible:hover,
.back-to-top.is-visible:focus-visible {
    opacity: 1;
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

.back-to-top svg {
    width: 17px;
    height: 17px;
    display: block;
}

@media (max-width: 768px) {
    .back-to-top {
        right: 16px;
        bottom: 16px;
        width: 38px;
        height: 38px;
    }
    /* touch devices have no hover, so keep it legible but restrained */
    .back-to-top.is-visible {
        opacity: 0.8;
    }
}

/* very narrow phones — shave the nav labels a touch more so they
   still hold a single line */
@media (max-width: 360px) {
    .back-link {
        font-size: 0.6rem;
        letter-spacing: 0.02em;
    }
    .nav-brand-tag {
        font-size: 0.66rem;
        letter-spacing: 0.04em;
    }
    .top-nav {
        padding: 11px 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .back-to-top {
        transition: opacity 0.15s ease, visibility 0.15s ease;
        transform: none;
    }
}

/* ===== FOOTER ===== */
footer {
    padding: 60px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
    background-color: #fafafa;
}

footer p {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--text-main);
    margin-bottom: 8px;
    font-weight: 700;
}

.footer-tags {
    color: var(--text-muted);
    font-size: 0.82rem;
    font-family: var(--font-body);
    font-weight: 400;
}

/* ===== LIGHTBOX MODAL ===== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 10, 10, 0.95);
    z-index: 1000;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: row;
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 32px;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 38px;
    cursor: pointer;
    z-index: 1020;
    transition: transform 0.2s ease, opacity 0.2s ease;
    opacity: 0.8;
    line-height: 1;
}

.lightbox-close:hover {
    transform: scale(1.15);
    opacity: 1;
}

/* Left Sidebar Thumbnails */
.lightbox-thumbnails {
    width: 160px;
    height: 100vh;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(20, 20, 20, 0.8);
    padding: 20px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    justify-content: flex-start;
}

.lightbox-thumb {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
    opacity: 0.45;
    background: #000000;
}

.lightbox-thumb.active {
    border-color: #2ec4b6;
    opacity: 1;
    transform: scale(1.04);
}

.lightbox-thumb:hover {
    opacity: 0.85;
}

/* Right Main Area */
.lightbox-main {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    padding: 40px;
}

.lightbox-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    font-size: 24px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1010;
    transition: all 0.2s ease;
    border-radius: 50%;
}

.lightbox-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

.lightbox-btn.prev { left: 30px; }
.lightbox-btn.next { right: 30px; }

.lightbox-image-container {
    position: relative;
    max-width: 85%;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image-container img {
    max-width: 100%;
    max-height: 82vh;
    object-fit: contain;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-counter {
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 2px;
}

/* ===== SCROLL REVEAL ANIMATION ===== */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* When JS initializes and element is below viewport */
.js-loaded .scroll-reveal:not(.visible) {
    opacity: 0;
    transform: translateY(20px);
}

.js-loaded .scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 1024px) {
    :root {
        --gutter: 20px;
        --gutter-social: 24px;
    }
    .social-showcase {
        padding: 0 var(--gutter);
    }
    .social-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .social-grid-2 {
        max-width: 100%;
        grid-template-columns: repeat(2, 1fr);
    }
    /* stack the two columns; the proportional split no longer applies */
    .amazon-slide {
        flex-direction: column;
        align-items: stretch;
        gap: var(--gutter);
        padding: 0 var(--gutter);
    }
    .amazon-column-left,
    .amazon-column-right {
        flex-grow: 0;
        flex-basis: auto;
        width: 100%;
        gap: var(--gutter);
    }
}

@media (max-width: 768px) {
    :root {
        --space-lg: 40px;
        --space-xl: 60px;
        --gutter: 16px;
        --gutter-social: 16px;
        /* nav is shorter here, so anything sticking below it follows */
        --nav-h: 40px;
    }

    /* --- Top nav: keep both labels on one line so the bar stays a
           single slim strip instead of a two-line block --- */
    .top-nav {
        padding: 11px 16px;
    }
    .top-nav-inner {
        gap: 12px;
    }
    .back-link {
        font-size: 0.65rem;
        letter-spacing: 0.03em;
        gap: 5px;
        white-space: nowrap;
        flex-shrink: 0;
    }
    .nav-brand-tag {
        font-size: 0.72rem;
        letter-spacing: 0.06em;
        white-space: nowrap;
        text-align: right;
    }
    .meta-row {
        grid-template-columns: 1fr;
        gap: 6px;
        padding: 14px 0;
    }
    .callout {
        padding: 24px 20px 26px;
    }
    .pull-quote {
        padding-left: 20px;
        margin: var(--space-md) 0;
    }
    .rules-list li {
        padding: 24px 20px;
    }
    .section-header h2,
    .hero .title {
        max-width: 100%;
    }
    .carousel-slide {
        grid-template-columns: 1fr;
    }
    .product-image {
        padding: 20px 24px 40px;
    }

    /* --- Category switchers: wrap onto multiple rows instead of
           scrolling sideways, so every product stays reachable --- */
    .category-labels {
        flex-wrap: wrap;
        overflow-x: visible;
        justify-content: flex-start;
        gap: 18px 16px;
        padding-top: 20px;
        margin-top: var(--space-md);
    }
    .category-label, .amazon-category-label {
        flex: 0 1 auto;
        min-width: 0;
        width: calc(33.333% - 11px);
        padding-bottom: 8px;
    }
    .category-label strong, .amazon-category-label strong {
        font-size: 0.95rem;
        line-height: 1.2;
    }
    .category-label small, .amazon-category-label small {
        font-size: 0.6rem;
    }
    #amazonCategoryLabels {
        padding-bottom: 8px;
        gap: 14px 12px;
    }

    /* --- Product carousel: single column, centred header --- */
    /* text-align (not align-items) centres the header, so the body
       paragraphs still span the full width and can justify */
    .product-info {
        padding: 48px 24px 16px;
        text-align: center;
    }
    .product-badge {
        margin-bottom: 18px;
    }
    .product-subtitle {
        margin-bottom: 22px;
    }
    .product-desc {
        max-width: 100%;
        text-align: justify;
        text-justify: inter-word;
        hyphens: auto;
        -webkit-hyphens: auto;
    }
    .carousel-btn {
        top: 18px;
        transform: none;
        width: 38px;
        height: 38px;
    }
    .carousel-btn.prev { left: 10px; }
    .carousel-btn.next { right: 10px; }

    /* --- Amazon A+: show only the mobile-format banners --- */
    .amazon-column-left {
        display: none;
    }
    .amazon-column-right {
        display: flex;
        width: 100%;
        flex-grow: 0;
        flex-basis: auto;
    }

    /* stack gallery rows; the aspect-proportional split no longer applies */
    .grid-row-2, .grid-row-4 {
        flex-direction: column;
    }
    .grid-row-2 img, .grid-row-4 img {
        flex-grow: 0;
        flex-basis: auto;
        width: 100%;
    }
    .social-grid-4, .social-grid-2 {
        grid-template-columns: 1fr;
    }
    .lightbox-thumbnails {
        display: none;
    }
    .lightbox-main {
        padding: 20px;
    }
    .lightbox-btn.prev { left: 10px; }
    .lightbox-btn.next { right: 10px; }
}