/* Certificate PDP — premium light luxury stylesheet (/certificate-printing) */
:root {
    --cert-bg: #F8F7F5;
    --cert-surface: #FFFFFF;
    --cert-ink: #1E1E1E;
    --cert-ink-soft: #3A3A3A;
    --cert-gold: #7C5B2A;
    --cert-gold-light: #C6A96A;
    --cert-gold-dark: #5A4220;
    --cert-border: rgba(124, 91, 42, 0.18);
    --cert-muted: #6B6560;
    --cert-cream: #F0EDE8;
    --cert-radius: 24px;
    --cert-radius-sm: 16px;
    --cert-radius-xs: 12px;
    --cert-shadow: 0 10px 40px rgba(30, 30, 30, 0.06);
    --cert-shadow-lg: 0 24px 60px rgba(30, 30, 30, 0.1);
    --cert-shadow-hover: 0 20px 50px rgba(30, 30, 30, 0.12);
    --cert-font-display: 'Cormorant Garamond', 'Libre Caslon Display', Georgia, serif;
    --cert-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --cert-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ══════════════════════════════════════════════
   Page layout
   ══════════════════════════════════════════════ */

.cert-pdp-page {
    font-family: var(--cert-font-body);
    color: var(--cert-ink);
    background: var(--cert-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.cert-pdp-page *,
.cert-pdp-page *::before,
.cert-pdp-page *::after {
    box-sizing: border-box;
}

.cert-pdp-page button {
    width: auto;
    height: auto;
    min-height: 0;
    line-height: 1.4;
    font-family: inherit;
    appearance: none;
    -webkit-appearance: none;
}

.cert-pdp-page h1,
.cert-pdp-page h2,
.cert-pdp-page h3,
.cert-pdp-page .cert-display {
    font-family: var(--cert-font-display);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.cert-pdp__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(16px, 3vw, 24px);
}

.cert-pdp__section {
    padding: clamp(48px, 7vw, 72px) 0;
}

.cert-pdp__section--alt {
    background: var(--cert-surface);
}

.cert-pdp__section--compact-top {
    padding-top: clamp(28px, 5vw, 40px);
}

.cert-pdp__head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto clamp(28px, 4vw, 44px);
}

.cert-pdp__eyebrow {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--cert-gold-dark);
    margin-bottom: 10px;
}

.cert-pdp__head h2 {
    font-size: clamp(1.75rem, 3.2vw, 2.35rem);
    line-height: 1.12;
    margin: 0 0 12px;
    color: var(--cert-ink);
}

.cert-pdp__head p {
    font-size: 1rem;
    line-height: 1.65;
    color: var(--cert-muted);
    margin: 0;
}

/* ══════════════════════════════════════════════
   Editorial hero
   ══════════════════════════════════════════════ */

.cert-editorial-hero {
    position: relative;
    min-height: min(72vh, 680px);
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(20px, 4vw, 40px);
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: clamp(20px, 3vw, 36px) clamp(16px, 3vw, 28px) 24px;
    background: linear-gradient(180deg, var(--cert-bg) 0%, var(--cert-surface) 280px);
}

.cert-editorial-hero__visual-col {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 280px;
}

.cert-editorial-hero--full-bleed {
    max-width: none;
    padding-left: 0;
    padding-right: 0;
}

.cert-editorial-hero--full-bleed .cert-editorial-hero__inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: clamp(20px, 3vw, 36px) clamp(16px, 3vw, 28px);
    display: grid;
    grid-template-columns: inherit;
    gap: inherit;
    align-items: inherit;
}

.cert-editorial-hero__copy {
    position: relative;
    z-index: 2;
    padding-top: 8px;
}

.cert-editorial-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 14px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cert-gold-dark);
}

.cert-editorial-hero__eyebrow::before {
    content: '';
    width: 28px;
    height: 1px;
    background: var(--cert-gold-light);
}

.cert-editorial-hero h1 {
    font-size: clamp(2.1rem, 4.2vw, 3.4rem);
    line-height: 1.08;
    margin: 0 0 10px;
    color: var(--cert-ink);
}

.cert-editorial-hero__tagline {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-size: clamp(1.15rem, 2vw, 1.45rem);
    font-style: italic;
    line-height: 1.35;
    color: var(--cert-gold-dark, #8b6914);
    margin: 0 0 12px;
}

.cert-editorial-hero__sub {
    font-size: clamp(0.95rem, 1.6vw, 1.08rem);
    line-height: 1.65;
    color: var(--cert-ink-soft);
    max-width: 36rem;
    margin: 0 0 20px;
}

.cert-editorial-hero__cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
}

.cert-editorial-hero__cta-row .cert-btn {
    flex: 1 1 auto;
    min-width: min(100%, 148px);
    max-width: 100%;
}

.cert-editorial-hero__cta-row--stack {
    flex-direction: column;
    width: 100%;
}

.cert-editorial-hero__cta-row--stack .cert-btn {
    width: 100%;
    flex: 1 1 100%;
    min-width: 0;
}

/* Hero certificate (parallax / mouse tilt target) */
.cert-hero-certificate-wrap {
    position: relative;
    perspective: 1200px;
    margin-bottom: 16px;
}

#cert-hero-certificate,
.cert-hero-certificate {
    position: relative;
    display: block;
    width: 100%;
    max-width: none;
    margin: 0;
    transform-style: preserve-3d;
    will-change: transform;
    transition: transform 0.15s ease-out;
}

#cert-hero-certificate img,
.cert-hero-certificate img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
    box-shadow:
        0 2px 0 rgba(255, 255, 255, 0.6) inset,
        0 24px 48px rgba(30, 30, 30, 0.18),
        0 8px 16px rgba(124, 91, 42, 0.12);
}

.cert-hero-certificate__shadow {
    position: absolute;
    bottom: -12px;
    left: 8%;
    right: 8%;
    height: 24px;
    background: radial-gradient(ellipse at center, rgba(30, 30, 30, 0.22) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.cert-hero-certificate__frame-edge {
    position: absolute;
    inset: -8px;
    border: 2px solid var(--cert-gold-light);
    border-radius: 6px;
    opacity: 0.35;
    pointer-events: none;
}

/* Badge pills */
.cert-badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--cert-gold-dark);
    background: rgba(124, 91, 42, 0.08);
    border: 1px solid var(--cert-border);
    border-radius: 999px;
    transition: background 0.2s, border-color 0.2s;
}

.cert-badge:hover {
    background: rgba(124, 91, 42, 0.14);
    border-color: rgba(124, 91, 42, 0.28);
}

.cert-badge--dark {
    color: #fff;
    background: rgba(30, 30, 30, 0.78);
    border-color: transparent;
    backdrop-filter: blur(8px);
}

.cert-badge--gold {
    color: #fff;
    background: linear-gradient(135deg, var(--cert-gold), var(--cert-gold-light));
    border-color: transparent;
}

.cert-badge i {
    font-size: 0.7rem;
    color: var(--cert-gold);
}

.cert-badge--dark i,
.cert-badge--gold i {
    color: var(--cert-gold-light);
}

/* ══════════════════════════════════════════════
   PDP gallery (ttf-style)
   ══════════════════════════════════════════════ */

.cert-pdp-gallery {
    font-family: var(--cert-font-body);
    -webkit-font-smoothing: antialiased;
}

.cert-pdp-gallery__stage {
    position: relative;
    border-radius: var(--cert-radius);
    overflow: hidden;
    background: linear-gradient(145deg, var(--cert-surface) 0%, var(--cert-cream) 100%);
    border: 1px solid var(--cert-border);
    box-shadow: var(--cert-shadow-lg);
}

.cert-pdp-gallery__stage::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--cert-gold), var(--cert-gold-light), var(--cert-gold));
    z-index: 2;
}

.cert-pdp-gallery__badges {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 3;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.cert-pdp-gallery__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
    background: rgba(30, 30, 30, 0.72);
    backdrop-filter: blur(8px);
    border-radius: 999px;
}

.cert-pdp-gallery__main {
    margin: 0;
    position: relative;
    overflow: hidden;
}

.cert-pdp-gallery__main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.3s var(--cert-ease);
}

.cert-pdp-gallery__main figcaption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    font-size: 0.82rem;
    color: #fff;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.65));
}

.cert-pdp-gallery__thumbs {
    display: flex;
    gap: 8px;
    padding: 12px 0 0;
    overflow-x: auto;
    scrollbar-width: thin;
}

.cert-pdp-gallery__thumb {
    flex: 0 0 72px;
    height: 54px;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    background: var(--cert-surface);
    transition: border-color 0.2s, transform 0.2s;
}

.cert-pdp-gallery__thumb.is-active {
    border-color: var(--cert-gold);
    transform: scale(1.04);
}

.cert-pdp-gallery__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cert-pdp-gallery__meta {
    padding: 20px 0 0;
}

.cert-pdp-gallery__lead {
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--cert-ink-soft);
    margin: 0 0 16px;
}

.cert-pdp-gallery__lead--mobile {
    display: none;
}

@media (max-width: 991px) {
    .cert-pdp-gallery__lead--mobile {
        display: block;
        font-size: 0.92rem;
        margin-bottom: 12px;
    }
}

.cert-pdp-gallery__trust {
    list-style: none;
    padding: 0;
    margin: 16px 0 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 8px;
}

.cert-pdp-gallery__trust li {
    font-size: 0.78rem;
    color: var(--cert-muted);
}

.cert-pdp-gallery__trust strong {
    color: var(--cert-ink);
}

/* ══════════════════════════════════════════════
   Hero sidebar card + pricing
   ══════════════════════════════════════════════ */

.cert-hero-sidebar {
    position: relative;
    z-index: 2;
}

.cert-hero-card {
    padding: 20px;
    background: linear-gradient(145deg, var(--cert-surface) 0%, var(--cert-bg) 100%);
    border: 1px solid var(--cert-border);
    border-radius: var(--cert-radius-sm);
    box-shadow: var(--cert-shadow);
    position: relative;
    overflow: hidden;
}

.cert-hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cert-gold), var(--cert-gold-light), var(--cert-gold));
}

.cert-price-band {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px dashed var(--cert-border);
}

.cert-price-main {
    display: flex;
    align-items: baseline;
    gap: 6px;
    flex-wrap: wrap;
}

.cert-price-from {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--cert-muted);
}

.cert-price-amount {
    font-family: var(--cert-font-display);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--cert-ink);
    line-height: 1;
}

.cert-price-list {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--cert-muted);
    text-decoration: line-through;
}

.cert-price-qty {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--cert-muted);
}

.cert-price-ship {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--cert-gold-dark);
    background: rgba(124, 91, 42, 0.1);
    border-radius: 999px;
}

.cert-hero-card__sub {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--cert-muted);
    margin: 0 0 16px;
}

.cert-hero-card__trust {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.cert-hero-card__trust li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--cert-ink);
    background: rgba(124, 91, 42, 0.04);
    border: 1px solid rgba(124, 91, 42, 0.08);
    border-radius: 10px;
    min-width: 0;
}

.cert-hero-card__trust li > span:last-child {
    min-width: 0;
    line-height: 1.35;
}

.cert-hero-card__trust-icon {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.68rem;
    color: var(--cert-gold-dark);
    background: rgba(198, 169, 106, 0.2);
    border-radius: 8px;
}

.cert-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 18px;
    font-size: 0.92rem;
    font-weight: 700;
    line-height: 1.25;
    border-radius: var(--cert-radius-xs);
    border: none;
    cursor: pointer;
    text-decoration: none !important;
    white-space: nowrap;
    max-width: 100%;
    box-sizing: border-box;
    transition: transform 0.25s var(--cert-ease), box-shadow 0.25s var(--cert-ease);
}

.cert-btn i {
    flex-shrink: 0;
}

.cert-btn--primary {
    background: linear-gradient(135deg, var(--cert-gold), var(--cert-gold-light));
    color: #fff !important;
    box-shadow: 0 8px 24px rgba(124, 91, 42, 0.28);
}

.cert-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(124, 91, 42, 0.35);
}

.cert-btn--ghost {
    background: transparent;
    border: 1px solid var(--cert-border);
    color: var(--cert-ink) !important;
}

.cert-btn--ghost:hover {
    border-color: var(--cert-gold);
    background: rgba(124, 91, 42, 0.04);
}

.cert-magnetic-btn {
    will-change: transform;
}

.cert-sidebar-frame-link {
    display: block;
    margin-top: 12px;
    text-align: center;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--cert-gold);
    text-decoration: none;
}

.cert-sidebar-frame-link:hover {
    color: var(--cert-gold-light);
    text-decoration: underline;
}

/* ══════════════════════════════════════════════
   Scroll story beats
   ══════════════════════════════════════════════ */

.cert-scroll-story {
    position: relative;
}

.cert-scroll-story__track {
    display: grid;
    gap: clamp(32px, 5vw, 56px);
}

.cert-scroll-story__beat {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(24px, 4vw, 48px);
    align-items: center;
    padding: clamp(24px, 4vw, 40px) 0;
    border-bottom: 1px solid var(--cert-border);
}

.cert-scroll-story__beat:nth-child(even) .cert-scroll-story__media {
    order: 2;
}

.cert-scroll-story__beat:nth-child(even) .cert-scroll-story__copy {
    order: 1;
}

.cert-scroll-story__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    margin-bottom: 12px;
    font-family: var(--cert-font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--cert-gold-dark);
    background: rgba(198, 169, 106, 0.18);
    border-radius: 50%;
}

.cert-scroll-story__copy {
    max-width: 30rem;
}

.cert-scroll-story__copy h3 {
    font-size: clamp(1.35rem, 2.5vw, 1.85rem);
    line-height: 1.2;
    margin: 0 0 12px;
    color: var(--cert-ink);
}

.cert-scroll-story__copy p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--cert-muted);
    margin: 0;
}

.cert-scroll-story__media {
    position: relative;
    border-radius: var(--cert-radius-sm);
    overflow: hidden;
    box-shadow: var(--cert-shadow);
}

.cert-scroll-story__media img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

/* ══════════════════════════════════════════════
   Paper compare (interactive)
   ══════════════════════════════════════════════ */

.cert-paper-compare {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: clamp(24px, 4vw, 40px);
    align-items: start;
}

.cert-paper-compare__tabs {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cert-paper-compare__tab {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    text-align: left;
    background: var(--cert-surface);
    border: 1px solid var(--cert-border);
    border-radius: var(--cert-radius-xs);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.cert-paper-compare__tab.is-active {
    border-color: var(--cert-gold);
    background: rgba(124, 91, 42, 0.06);
    box-shadow: var(--cert-shadow);
}

.cert-paper-compare__tab-swatch {
    flex-shrink: 0;
    width: 40px;
    height: 52px;
    border-radius: 4px;
    background: linear-gradient(145deg, #fff 0%, #f5f2ec 100%);
    border: 1px solid rgba(124, 91, 42, 0.15);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.8);
}

.cert-paper-compare__tab-swatch--matte {
    background: linear-gradient(145deg, #faf9f7 0%, #ebe8e2 100%);
}

.cert-paper-compare__tab-swatch--linen {
    background:
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(124, 91, 42, 0.04) 2px, rgba(124, 91, 42, 0.04) 3px),
        linear-gradient(145deg, #f8f6f2 0%, #ece8e0 100%);
}

.cert-paper-compare__tab-swatch--premium {
    background: linear-gradient(145deg, #fffef9 0%, #f0ebe0 100%);
    border-color: var(--cert-gold-light);
}

.cert-paper-compare__tab-label {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--cert-ink);
}

.cert-paper-compare__tab-meta {
    display: block;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--cert-muted);
    margin-top: 2px;
}

.cert-paper-compare__panel {
    position: relative;
    padding: clamp(24px, 4vw, 36px);
    background: var(--cert-surface);
    border: 1px solid var(--cert-border);
    border-radius: var(--cert-radius);
    box-shadow: var(--cert-shadow);
    min-height: 320px;
}

.cert-paper-compare__panel:not(.is-active) {
    display: none;
}

.cert-paper-compare__panel h3 {
    font-size: 1.35rem;
    margin: 0 0 10px;
}

.cert-paper-compare__panel p {
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--cert-muted);
    margin: 0 0 16px;
}

.cert-paper-compare__specs {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.cert-paper-compare__specs li {
    padding: 10px 12px;
    font-size: 0.78rem;
    font-weight: 600;
    background: var(--cert-bg);
    border-radius: 8px;
    text-align: center;
}

.cert-paper-compare__specs strong {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--cert-muted);
    margin-bottom: 4px;
}

/* ══════════════════════════════════════════════
   Frame selector (texture swatches)
   ══════════════════════════════════════════════ */

.cert-frame-selector {
    display: grid;
    gap: 20px;
}

.cert-frame-selector__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 14px;
}

.cert-frame-selector__swatch {
    position: relative;
    padding: 0;
    border: 2px solid transparent;
    border-radius: var(--cert-radius-xs);
    overflow: hidden;
    cursor: pointer;
    background: var(--cert-surface);
    box-shadow: var(--cert-shadow);
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.cert-frame-selector__swatch.is-active {
    border-color: var(--cert-gold);
    transform: translateY(-3px);
    box-shadow: var(--cert-shadow-hover);
}

.cert-frame-selector__texture {
    aspect-ratio: 1;
    background-size: cover;
    background-position: center;
}

.cert-frame-selector__texture--walnut {
    background:
        repeating-linear-gradient(88deg, transparent, transparent 8px, rgba(60, 40, 20, 0.08) 8px, rgba(60, 40, 20, 0.08) 9px),
        linear-gradient(160deg, #5c3d28 0%, #3d2818 50%, #6b4a32 100%);
}

.cert-frame-selector__texture--oak {
    background:
        repeating-linear-gradient(92deg, transparent, transparent 6px, rgba(180, 140, 80, 0.12) 6px, rgba(180, 140, 80, 0.12) 7px),
        linear-gradient(145deg, #c4a574 0%, #a08050 50%, #d4b888 100%);
}

.cert-frame-selector__texture--black {
    background:
        linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 40%, #333 100%);
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.04);
}

.cert-frame-selector__texture--gold {
    background:
        repeating-linear-gradient(45deg, transparent, transparent 4px, rgba(255, 255, 255, 0.06) 4px, rgba(255, 255, 255, 0.06) 5px),
        linear-gradient(135deg, var(--cert-gold-light) 0%, var(--cert-gold) 50%, #a08040 100%);
}

.cert-frame-selector__texture--silver {
    background:
        linear-gradient(135deg, #e8e8e8 0%, #b8b8b8 50%, #d0d0d0 100%);
}

.cert-frame-selector__label {
    display: block;
    padding: 10px 12px;
    font-size: 0.82rem;
    font-weight: 700;
    text-align: center;
    color: var(--cert-ink);
}

.cert-frame-selector__preview {
    position: relative;
    border-radius: var(--cert-radius);
    overflow: hidden;
    background: var(--cert-cream);
    border: 1px solid var(--cert-border);
    min-height: 280px;
}

.cert-frame-selector__preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.35s var(--cert-ease);
}

.cert-frame-selector__preview-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 14px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(transparent, rgba(30, 30, 30, 0.75));
}

/* ══════════════════════════════════════════════
   Size preview (wall context)
   ══════════════════════════════════════════════ */

.cert-size-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(24px, 4vw, 40px);
    align-items: center;
}

.cert-size-preview__controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.cert-size-preview__chip {
    padding: 12px 18px;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--cert-ink);
    background: var(--cert-surface);
    border: 2px solid var(--cert-border);
    border-radius: 999px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(30, 30, 30, 0.04);
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s, transform 0.2s;
}

.cert-size-preview__chip:hover {
    border-color: rgba(124, 91, 42, 0.35);
    transform: translateY(-1px);
}

.cert-size-preview__chip.is-active {
    border-color: var(--cert-gold);
    background: rgba(124, 91, 42, 0.1);
    color: var(--cert-gold-dark);
    box-shadow: 0 6px 18px rgba(124, 91, 42, 0.14);
}

.cert-size-preview__wall {
    position: relative;
    aspect-ratio: 16 / 10;
    background:
        linear-gradient(180deg, rgba(248, 247, 245, 0.3) 0%, transparent 30%),
        linear-gradient(180deg, #e8e4de 0%, #ddd8d0 100%);
    border-radius: var(--cert-radius-sm);
    overflow: hidden;
    box-shadow: inset 0 0 60px rgba(30, 30, 30, 0.06);
}

.cert-size-preview__wall::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 28%;
    background: linear-gradient(180deg, #c9c0b4 0%, #b8afa3 100%);
}

.cert-size-preview__frame {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -58%);
    background: var(--cert-surface);
    border: 6px solid var(--cert-gold);
    box-shadow: 0 12px 32px rgba(30, 30, 30, 0.2);
    transition: width 0.4s var(--cert-ease), height 0.4s var(--cert-ease);
}

.cert-size-preview__frame-inner {
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #fff 0%, #f5f0e8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--cert-font-display);
    font-size: 0.65rem;
    color: var(--cert-gold-dark);
    text-align: center;
    padding: 8px;
}

.cert-size-preview__dims {
    font-family: var(--cert-font-display);
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    font-weight: 600;
    color: var(--cert-ink);
    margin: 0 0 8px;
}

.cert-size-preview__hint {
    font-size: 0.85rem;
    line-height: 1.55;
    color: var(--cert-muted);
    margin: 0;
}

/* ══════════════════════════════════════════════
   Before / after slider
   ══════════════════════════════════════════════ */

.cert-before-after {
    position: relative;
    max-width: min(960px, 100%);
    margin: 0 auto;
    border-radius: var(--cert-radius);
    overflow: hidden;
    box-shadow: var(--cert-shadow-lg);
    user-select: none;
    touch-action: none;
}

.cert-before-after__stage {
    position: relative;
    overflow: hidden;
}

.cert-before-after__layer {
    position: absolute;
    inset: 0;
}

.cert-before-after__layer img,
.cert-before-after__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.cert-showcase-img {
    display: block;
    max-width: 100%;
}

.cert-paper-compare__figure {
    margin: 0 0 16px;
    border-radius: 12px;
    overflow: hidden;
    max-width: min(100%, 360px);
}

.cert-trusted-professionals__photo {
    border-radius: 8px;
    margin-bottom: 14px;
}

.cert-packaging-sequence__photo {
    margin-bottom: 14px;
    border-radius: 8px;
}

.cert-frame-selector__preview {
    min-height: 200px;
}

.cert-frame-selector__preview-img {
    display: block;
}

.cert-before-after__layer--after {
    clip-path: inset(0 50% 0 0);
}

.cert-before-after__handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    margin-left: -2px;
    background: var(--cert-gold-light);
    cursor: ew-resize;
    z-index: 3;
    box-shadow: 0 0 12px rgba(124, 91, 42, 0.4);
}

.cert-before-after__handle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: var(--cert-surface);
    border: 2px solid var(--cert-gold);
    border-radius: 50%;
    box-shadow: var(--cert-shadow);
}

.cert-before-after__handle::after {
    content: '◀ ▶';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.55rem;
    font-weight: 700;
    color: var(--cert-gold-dark);
    letter-spacing: -2px;
    white-space: nowrap;
}

.cert-before-after__labels {
    display: flex;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--cert-surface);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--cert-muted);
}

/* ══════════════════════════════════════════════
   Packaging sequence
   ══════════════════════════════════════════════ */

.cert-packaging-sequence {
    position: relative;
}

.cert-packaging-sequence__track {
    display: flex;
    gap: 0;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    padding-bottom: 8px;
}

.cert-packaging-sequence__step {
    flex: 0 0 min(280px, 85vw);
    scroll-snap-align: start;
    padding: 24px 20px;
    margin-right: 16px;
    background: var(--cert-surface);
    border: 1px solid var(--cert-border);
    border-radius: var(--cert-radius-sm);
    box-shadow: var(--cert-shadow);
    opacity: 0.55;
    transform: scale(0.96);
    transition: opacity 0.4s var(--cert-ease), transform 0.4s var(--cert-ease), box-shadow 0.4s;
}

.cert-packaging-sequence__step.is-active {
    opacity: 1;
    transform: scale(1);
    box-shadow: var(--cert-shadow-hover);
    border-color: var(--cert-gold-light);
}

.cert-packaging-sequence__step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin-bottom: 12px;
    font-size: 0.82rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--cert-gold), var(--cert-gold-light));
    border-radius: 50%;
}

.cert-packaging-sequence__step h3 {
    font-size: 1.1rem;
    margin: 0 0 8px;
}

.cert-packaging-sequence__step p {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--cert-muted);
    margin: 0;
}

.cert-packaging-sequence__step img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 14px;
}

.cert-packaging-sequence__progress {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-top: 20px;
}

.cert-packaging-sequence__dot {
    width: 8px;
    height: 8px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(124, 91, 42, 0.2);
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.cert-packaging-sequence__dot.is-active {
    background: var(--cert-gold);
    transform: scale(1.25);
}

/* ══════════════════════════════════════════════
   Trusted professionals grid
   ══════════════════════════════════════════════ */

.cert-trusted-professionals {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.cert-trusted-professionals__card {
    padding: 24px 20px;
    background: var(--cert-surface);
    border: 1px solid var(--cert-border);
    border-radius: var(--cert-radius-sm);
    text-align: center;
    transition: transform 0.25s var(--cert-ease), box-shadow 0.25s;
}

.cert-trusted-professionals__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--cert-shadow-hover);
}

.cert-trusted-professionals__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--cert-gold);
    background: rgba(198, 169, 106, 0.15);
    border-radius: 12px;
}

.cert-trusted-professionals__card h3 {
    font-size: 1rem;
    margin: 0 0 8px;
}

.cert-trusted-professionals__card p {
    font-size: 0.82rem;
    line-height: 1.55;
    color: var(--cert-muted);
    margin: 0;
}

/* ══════════════════════════════════════════════
   Trust stats counters
   ══════════════════════════════════════════════ */

.cert-trust-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(12px, 2vw, 20px);
    padding: clamp(28px, 4vw, 40px);
    background: linear-gradient(135deg, var(--cert-ink) 0%, #2a2826 100%);
    border-radius: var(--cert-radius);
    color: #fff;
}

.cert-trust-stats--proof .cert-trust-stats__item i {
    display: block;
    font-size: 1.1rem;
    color: var(--cert-gold-light);
    margin-bottom: 10px;
}

.cert-trust-stats__item {
    text-align: center;
    padding: clamp(12px, 2vw, 16px);
}

.cert-trust-stats__headline {
    display: block;
    font-family: var(--cert-font-body);
    font-size: clamp(0.92rem, 1.5vw, 1.05rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 8px;
}

.cert-trust-stats__number {
    display: block;
    font-family: var(--cert-font-display);
    font-size: clamp(1.75rem, 3vw, 2.35rem);
    font-weight: 700;
    color: var(--cert-gold-light);
    line-height: 1.1;
    margin-bottom: 8px;
}

.cert-trust-stats__label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.45;
}

/* ══════════════════════════════════════════════
   Comparison table
   ══════════════════════════════════════════════ */

.cert-comparison-wrap {
    overflow-x: auto;
    border-radius: var(--cert-radius-sm);
    box-shadow: var(--cert-shadow);
}

.cert-comparison {
    width: 100%;
    border-collapse: collapse;
    background: var(--cert-surface);
    font-size: 0.92rem;
}

.cert-comparison th,
.cert-comparison td {
    padding: 14px 18px;
    text-align: center;
    border-bottom: 1px solid rgba(124, 91, 42, 0.08);
}

.cert-comparison th:first-child,
.cert-comparison td:first-child {
    text-align: left;
    font-weight: 600;
}

.cert-comparison thead th {
    background: var(--cert-ink);
    color: #fff;
    font-weight: 700;
}

.cert-comparison thead th.cert-comparison__ours {
    background: linear-gradient(135deg, var(--cert-gold-dark), var(--cert-gold));
}

.cert-comparison .cert-comparison__check {
    color: #16a34a;
    font-weight: 700;
}

.cert-comparison .cert-comparison__cross {
    color: #94a3b8;
}

.cert-comparison .cert-comparison__highlight {
    background: rgba(124, 91, 42, 0.04);
    font-weight: 700;
    color: var(--cert-gold-dark);
}

/* ══════════════════════════════════════════════
   Detail cards, spec cards, perfect-for grid
   ══════════════════════════════════════════════ */

.cert-detail-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.cert-detail-card {
    padding: 28px 24px;
    background: var(--cert-surface);
    border: 1px solid var(--cert-border);
    border-radius: var(--cert-radius-sm);
    box-shadow: var(--cert-shadow);
}

.cert-detail-card i {
    font-size: 1.4rem;
    color: var(--cert-gold);
    margin-bottom: 14px;
    display: block;
}

.cert-detail-card h3 {
    font-size: 1.1rem;
    margin: 0 0 10px;
}

.cert-detail-card p {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--cert-muted);
    margin: 0;
}

.cert-spec-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
}

.cert-spec-card {
    padding: 20px 18px;
    background: var(--cert-surface);
    border: 1px solid var(--cert-border);
    border-radius: var(--cert-radius-xs);
}

.cert-spec-card i {
    color: var(--cert-gold);
    margin-bottom: 10px;
    display: block;
    font-size: 1rem;
}

.cert-spec-card strong {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--cert-muted);
    margin-bottom: 4px;
}

.cert-spec-card span {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--cert-ink);
}

.cert-perfect-for {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
    gap: 14px;
}

.cert-perfect-for__item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 18px;
    background: var(--cert-surface);
    border: 1px solid var(--cert-border);
    border-radius: var(--cert-radius-xs);
    font-size: 0.88rem;
    font-weight: 600;
    transition: border-color 0.2s, background 0.2s;
    min-width: 0;
}

.cert-perfect-for__item:hover {
    border-color: var(--cert-gold-light);
    background: rgba(124, 91, 42, 0.04);
}

.cert-perfect-for__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--cert-gold-dark);
    background: rgba(198, 169, 106, 0.18);
    border-radius: 10px;
}

.cert-perfect-for__icon i {
    line-height: 1;
}

.cert-perfect-for__copy {
    min-width: 0;
    flex: 1;
}

.cert-perfect-for__copy strong {
    display: block;
    margin-bottom: 4px;
    line-height: 1.35;
    color: var(--cert-ink);
}

.cert-perfect-for__copy small {
    display: block;
    font-weight: 500;
    font-size: 0.82rem;
    line-height: 1.45;
    color: var(--cert-muted);
}

.cert-frame-selector__price {
    display: inline-block;
    margin-left: 6px;
    font-style: normal;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--cert-gold-dark);
    white-space: nowrap;
}

.cert-frame-selector__label {
    min-width: 0;
    line-height: 1.35;
}

.cert-matrix-frame-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Lift card hover utility */
.cert-lift-card {
    transition: transform 0.3s var(--cert-ease), box-shadow 0.3s var(--cert-ease);
}

.cert-lift-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--cert-shadow-hover);
}

/* ══════════════════════════════════════════════
   Premium FAQ cards
   ══════════════════════════════════════════════ */

.cert-premium-faq {
    display: grid;
    gap: 12px;
    max-width: 760px;
    margin: 0 auto;
}

.cert-premium-faq__item {
    background: var(--cert-surface);
    border: 1px solid var(--cert-border);
    border-radius: var(--cert-radius-xs);
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.cert-premium-faq__item[open] {
    box-shadow: var(--cert-shadow);
    border-color: rgba(124, 91, 42, 0.28);
}

.cert-premium-faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 18px 20px;
    font-size: 0.95rem;
    font-weight: 700;
    text-align: left;
    color: var(--cert-ink);
    background: transparent;
    border: none;
    cursor: pointer;
    list-style: none;
}

.cert-premium-faq__question::-webkit-details-marker {
    display: none;
}

.cert-premium-faq__question i {
    flex-shrink: 0;
    font-size: 0.75rem;
    color: var(--cert-gold);
    transition: transform 0.25s var(--cert-ease);
}

.cert-premium-faq__item[open] .cert-premium-faq__question i {
    transform: rotate(180deg);
}

.cert-premium-faq__answer {
    padding: 0 20px 18px;
    font-size: 0.88rem;
    line-height: 1.65;
    color: var(--cert-muted);
}

/* ══════════════════════════════════════════════
   Premium footer
   ══════════════════════════════════════════════ */

.cert-premium-footer {
    padding: clamp(48px, 6vw, 72px) 0;
    background: linear-gradient(180deg, var(--cert-bg) 0%, var(--cert-cream) 100%);
    border-top: 1px solid var(--cert-border);
}

.cert-premium-footer__inner {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    padding: 0 20px;
}

.cert-premium-footer__inner h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    margin: 0 0 12px;
}

.cert-premium-footer__inner p {
    font-size: 1rem;
    line-height: 1.65;
    color: var(--cert-muted);
    margin: 0 0 24px;
}

.cert-premium-footer__cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.cert-premium-footer__trust {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px dashed var(--cert-border);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--cert-muted);
}

.cert-premium-footer__trust span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.cert-premium-footer__trust i {
    color: var(--cert-gold);
}

/* ══════════════════════════════════════════════
   Sticky CTA (desktop + mobile)
   ══════════════════════════════════════════════ */

.cert-sticky-cta {
    position: fixed;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s var(--cert-ease), visibility 0.3s, transform 0.3s var(--cert-ease);
}

.cert-sticky-cta.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.cert-sticky-cta--desktop {
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 14px 22px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid var(--cert-border);
    border-radius: 999px;
    box-shadow: 0 12px 40px rgba(30, 30, 30, 0.15);
    max-width: min(560px, calc(100vw - 32px));
}

.cert-sticky-cta--desktop.is-visible {
    transform: translateX(-50%) translateY(0);
}

.cert-sticky-cta__info {
    flex: 1;
    min-width: 0;
}

.cert-sticky-cta__title {
    display: block;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--cert-ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cert-sticky-cta__price {
    font-family: var(--cert-font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--cert-gold-dark);
}

.cert-sticky-cta--mobile {
    bottom: 0;
    left: 0;
    right: 0;
    transform: translateY(100%);
    display: none;
    padding: 12px 16px;
    padding-bottom: max(12px, env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--cert-border);
    box-shadow: 0 -8px 32px rgba(30, 30, 30, 0.1);
}

.cert-sticky-cta--mobile.is-visible {
    transform: translateY(0);
}

.cert-sticky-cta--mobile .cert-btn {
    width: 100%;
    white-space: nowrap;
    padding: 13px 16px;
    font-size: 0.88rem;
}

/* Related business printing cards */
.cert-related-products__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
    gap: 18px;
}

.cert-related-products__card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--cert-surface);
    border: 1px solid var(--cert-border);
    border-radius: var(--cert-radius-sm);
    overflow: hidden;
    color: inherit;
    text-decoration: none !important;
}

.cert-related-products__card:hover {
    border-color: var(--cert-gold-light);
    color: inherit;
}

.cert-related-products__img {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--cert-cream);
}

.cert-related-products__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s var(--cert-ease);
}

.cert-related-products__card:hover .cert-related-products__img img {
    transform: scale(1.04);
}

.cert-related-products__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 8px;
    padding: 16px 18px 18px;
    min-width: 0;
}

.cert-related-products__body h3 {
    margin: 0;
    font-size: 1rem;
    line-height: 1.35;
    color: var(--cert-ink);
}

.cert-related-products__body p {
    margin: 0;
    flex: 1;
    font-size: 0.84rem;
    line-height: 1.5;
    color: var(--cert-muted);
}

.cert-related-products__price {
    margin-top: auto;
    font-family: var(--cert-font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--cert-gold-dark);
}

/* ══════════════════════════════════════════════
   Reveal animations
   ══════════════════════════════════════════════ */

.cert-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--cert-ease), transform 0.7s var(--cert-ease);
}

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

.cert-reveal--fade {
    transform: none;
}

.cert-reveal--left {
    transform: translateX(-24px);
}

.cert-reveal--left.cert-reveal-visible {
    transform: translateX(0);
}

.cert-reveal--right {
    transform: translateX(24px);
}

.cert-reveal--right.cert-reveal-visible {
    transform: translateX(0);
}

.cert-reveal-stagger > .cert-reveal:nth-child(1) { transition-delay: 0ms; }
.cert-reveal-stagger > .cert-reveal:nth-child(2) { transition-delay: 80ms; }
.cert-reveal-stagger > .cert-reveal:nth-child(3) { transition-delay: 160ms; }
.cert-reveal-stagger > .cert-reveal:nth-child(4) { transition-delay: 240ms; }
.cert-reveal-stagger > .cert-reveal:nth-child(5) { transition-delay: 320ms; }
.cert-reveal-stagger > .cert-reveal:nth-child(6) { transition-delay: 400ms; }

/* ══════════════════════════════════════════════
   Certificate PDP grid + configurator (desktop)
   ══════════════════════════════════════════════ */

.single-product-hero--certificate.home-self-code {
    max-width: none;
    background: linear-gradient(180deg, var(--cert-bg) 0%, var(--cert-surface) 320px);
}

.single-product-hero--certificate .cert-pdp-grid {
    max-width: 1280px;
    margin: 0 auto;
    padding: clamp(16px, 2.5vw, 28px) clamp(16px, 3vw, 24px) 12px;
}

@media (min-width: 992px) {
    .single-product-hero--certificate .cert-pdp-grid {
        display: grid;
        grid-template-columns: minmax(0, 1.12fr) minmax(380px, 0.88fr);
        gap: clamp(28px, 3vw, 44px);
        align-items: start;
    }

    .single-product-hero--certificate .cert-pdp-gallery-col,
    .single-product-hero--certificate .cert-order-source {
        width: 100% !important;
        max-width: 100% !important;
        flex: none !important;
    }

    .single-product-hero--certificate .cert-order-source {
        position: sticky;
        top: 88px;
    }

    .cert-editorial-hero {
        display: none;
    }

    .cert-hero-sidebar--mobile {
        display: none !important;
    }

    .cert-order-pricing__title {
        display: block;
    }
}

/* Mobile title shown in compact sidebar — see Certificate PDP mobile block below */

/* Order pricing header */
.cert-order-pricing {
    margin-bottom: 18px;
}

.cert-order-pricing__eyebrow {
    margin: 0 0 8px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cert-gold-dark);
}

.cert-order-pricing__title {
    font-family: var(--cert-font-display);
    font-size: clamp(1.45rem, 2.4vw, 1.85rem);
    line-height: 1.15;
    margin: 0 0 8px;
    color: var(--cert-ink);
}

.cert-order-pricing__title-compact {
    display: none;
}

@media (min-width: 992px) {
    .cert-order-pricing__title-compact {
        display: none !important;
    }

    .cert-order-pricing__title-full {
        display: inline;
    }
}

.cert-order-pricing__sub {
    margin: 0 0 16px;
    font-size: 0.88rem;
    line-height: 1.55;
    color: var(--cert-muted);
}

.cert-order-pricing__price-card {
    padding: 16px 18px;
    background: linear-gradient(145deg, var(--cert-surface) 0%, var(--cert-bg) 100%);
    border: 1px solid var(--cert-border);
    border-radius: var(--cert-radius-sm);
    box-shadow: var(--cert-shadow);
}

.cert-price-band--order {
    margin-bottom: 8px;
    padding-bottom: 12px;
}

.cert-order-pricing__sale {
    font-family: var(--cert-font-display) !important;
    font-size: clamp(1.85rem, 3vw, 2.35rem) !important;
    font-weight: 700 !important;
    color: var(--cert-ink) !important;
    line-height: 1 !important;
}

.cert-order-pricing__list {
    font-size: 0.95rem !important;
    color: var(--cert-muted) !important;
    text-decoration: line-through;
}

.cert-order-pricing__status {
    display: block;
    margin-top: 6px;
    font-size: 0.72rem;
    color: var(--cert-muted);
}

.cert-order-pricing__hint {
    margin: 8px 0 0;
    font-size: 0.72rem;
    line-height: 1.45;
    color: var(--cert-muted);
}

.cert-configurator__section-label {
    margin: 16px 0 12px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--cert-gold-dark);
}

/* Premium configurator panel */
.cert-configurator.banner-from-table,
.cert-configurator .banner-from-table {
    background: var(--cert-surface);
    border: 1px solid var(--cert-border);
    border-radius: var(--cert-radius-sm);
    box-shadow: var(--cert-shadow);
    overflow: hidden;
}

.cert-configurator .python-page-all-right {
    padding: 0 20px 20px;
}

.cert-configurator .from-input label {
    font-size: 0.72rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--cert-muted) !important;
    margin-bottom: 6px !important;
}

.cert-configurator .tt-select select,
.cert-configurator .from-input select {
    width: 100%;
    border-radius: 12px !important;
    border: 1px solid rgba(30, 30, 30, 0.1) !important;
    padding: 12px 14px !important;
    font-size: 0.9rem !important;
    background: #faf9f7 !important;
    color: var(--cert-ink) !important;
    box-shadow: inset 0 1px 2px rgba(30, 30, 30, 0.04);
}

.cert-configurator .from-input {
    margin-bottom: 14px !important;
}

.cert-configurator__field--finish {
    display: block;
}

.cert-matrix-style-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.cert-configurator__delivery .product-shape-amount {
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
}

.cert-configurator .delivery-eta {
    margin-top: 0 !important;
    padding: 12px 14px !important;
    font-size: 0.78rem !important;
    line-height: 1.55 !important;
    background: rgba(124, 91, 42, 0.06) !important;
    border: 1px solid var(--cert-border) !important;
    border-radius: 12px !important;
    color: var(--cert-ink-soft) !important;
}

.cert-configurator .upload-now.single-product-upload-btn,
.cert-configurator .cert-upload-cta {
    width: 100% !important;
    margin: 14px 0 8px !important;
    padding: 16px 20px !important;
    font-size: 0.95rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.02em;
    color: #fff !important;
    background: linear-gradient(135deg, var(--cert-gold), var(--cert-gold-light)) !important;
    border: none !important;
    border-radius: 14px !important;
    box-shadow: 0 8px 24px rgba(124, 91, 42, 0.28) !important;
    transition: transform 0.2s var(--cert-ease), box-shadow 0.2s var(--cert-ease) !important;
}

.cert-configurator .upload-now.single-product-upload-btn:hover,
.cert-configurator .cert-upload-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 32px rgba(124, 91, 42, 0.35) !important;
}

.cert-configurator .cert-sidebar-frame-link {
    margin-bottom: 4px;
}

.cert-pdp-gallery__meta--desktop-slim {
    margin-top: 14px;
}

.cert-pdp-gallery__badges-row {
    margin-bottom: 0;
}

/* ══════════════════════════════════════════════
   Certificate PDP mobile — full-width banner, stacked config
   ~80% mobile traffic: gallery full bleed, 2-col configurator fields
   ══════════════════════════════════════════════ */

@media (max-width: 991.98px) {
    .cert-pdp-page {
        overflow-x: clip;
        padding-bottom: calc(88px + env(safe-area-inset-bottom, 0px));
    }

    .cert-editorial-hero {
        display: none !important;
    }

    /* Stack: full-width gallery → full-width configurator */
    .single-product-hero--certificate .cert-pdp-grid.row {
        display: flex;
        flex-direction: column;
        gap: 16px;
        margin-left: 0;
        margin-right: 0;
        padding: 0 0 12px;
        max-width: 100%;
    }

    .single-product-hero--certificate .cert-pdp-gallery-col {
        order: 1;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        flex: none !important;
    }

    .single-product-hero--certificate .cert-order-source {
        order: 2;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 14px !important;
        flex: none !important;
        min-width: 0;
        box-sizing: border-box;
    }

    .single-product-hero--certificate .col-lg-8,
    .single-product-hero--certificate .col-lg-4,
    .single-product-hero--certificate .cert-pdp-gallery-col,
    .single-product-hero--certificate .cert-order-source {
        height: auto !important;
        min-height: 0 !important;
        max-height: none !important;
        overflow: visible !important;
    }

    .single-product-hero--certificate .banner-from-table {
        padding: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        position: static !important;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        margin: 0 !important;
    }

    /* Full-width banner gallery */
    .single-product-hero--certificate .cert-pdp-gallery {
        width: 100%;
    }

    .single-product-hero--certificate .cert-pdp-gallery__stage {
        border-radius: 0;
        border-left: none;
        border-right: none;
    }

    .single-product-hero--certificate .cert-pdp-gallery__main {
        max-height: none;
        aspect-ratio: 16 / 10 !important;
    }

    .single-product-hero--certificate .cert-pdp-gallery__main figcaption {
        padding: 10px 14px 12px;
        font-size: 0.78rem;
    }

    .single-product-hero--certificate .cert-pdp-gallery__badges {
        top: 10px;
        left: 14px;
        gap: 6px;
        flex-direction: row;
        flex-wrap: wrap;
        max-width: calc(100% - 28px);
    }

    .single-product-hero--certificate .cert-pdp-gallery__badge {
        padding: 5px 9px;
        font-size: 0.62rem;
        line-height: 1.2;
    }

    .single-product-hero--certificate .cert-pdp-gallery__thumbs {
        margin: 10px 14px 0;
        gap: 8px;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
    }

    .single-product-hero--certificate .cert-pdp-gallery__thumb {
        flex: 0 0 72px;
        width: 72px;
        height: 72px;
    }

    .single-product-hero--certificate .cert-pdp-gallery__meta--desktop-slim {
        display: none !important;
    }

    /* Pricing + title — full width below banner */
    .single-product-hero--certificate .cert-order-pricing {
        margin-bottom: 12px;
    }

    .single-product-hero--certificate .cert-order-pricing__eyebrow {
        font-size: 0.65rem;
        margin-bottom: 6px;
        letter-spacing: 0.08em;
        line-height: 1.35;
    }

    .single-product-hero--certificate .cert-order-pricing__title {
        display: block;
        font-size: clamp(1.25rem, 5vw, 1.55rem);
        line-height: 1.18;
        margin-bottom: 8px;
        overflow-wrap: anywhere;
        word-break: break-word;
    }

    .single-product-hero--certificate .cert-order-pricing__title-full {
        display: none;
    }

    .single-product-hero--certificate .cert-order-pricing__title-compact {
        display: inline;
    }

    .single-product-hero--certificate .cert-order-pricing__sub {
        display: block;
        font-size: 0.84rem;
        line-height: 1.5;
        margin-bottom: 12px;
    }

    .single-product-hero--certificate .cert-order-pricing__price-card {
        padding: 14px 16px;
        border-radius: 14px;
    }

    .single-product-hero--certificate .cert-price-band--order {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        margin-bottom: 6px;
        padding-bottom: 10px;
    }

    .single-product-hero--certificate .cert-price-ship {
        font-size: 0.72rem;
        line-height: 1.3;
    }

    .single-product-hero--certificate .cert-order-pricing__sale {
        font-size: 1.75rem !important;
    }

    .single-product-hero--certificate .cert-order-pricing__list {
        font-size: 0.9rem !important;
    }

    .single-product-hero--certificate .cert-order-pricing__hint {
        font-size: 0.7rem;
        line-height: 1.4;
        margin-top: 6px;
    }

    .single-product-hero--certificate .cert-configurator__section-label {
        margin: 10px 0 12px;
        font-size: 0.68rem;
    }

    .single-product-hero--certificate .cert-configurator.banner-from-table,
    .single-product-hero--certificate .cert-configurator .banner-from-table {
        border: 1px solid var(--cert-border);
        box-shadow: var(--cert-shadow);
        background: var(--cert-surface);
        border-radius: var(--cert-radius-sm);
    }

    .single-product-hero--certificate .cert-configurator .python-page-all-right {
        padding: 0 16px 16px;
        box-sizing: border-box;
    }

    .single-product-hero--certificate .cert-order-pricing {
        padding: 16px 16px 0;
    }

    /* Two configurator fields per row — full-width panel */
    .single-product-hero--certificate .cert-configurator .product-from > form {
        display: grid;
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        column-gap: 12px;
        row-gap: 0;
    }

    .single-product-hero--certificate .cert-configurator .from-input {
        margin-bottom: 12px !important;
        min-width: 0;
    }

    .single-product-hero--certificate .cert-configurator .cert-configurator__field--finish,
    .single-product-hero--certificate .cert-configurator .cert-configurator__field--qty,
    .single-product-hero--certificate .cert-configurator .cert-configurator__delivery {
        grid-column: 1 / -1;
    }

    .single-product-hero--certificate .cert-configurator .from-input label {
        font-size: 0.65rem !important;
        margin-bottom: 5px !important;
        line-height: 1.25;
    }

    .single-product-hero--certificate .cert-configurator .tt-select select,
    .single-product-hero--certificate .cert-configurator .from-input select {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        padding: 11px 12px !important;
        font-size: 0.84rem !important;
        border-radius: 12px !important;
    }

    .single-product-hero--certificate .cert-configurator .delivery-eta {
        padding: 10px 12px !important;
        font-size: 0.75rem !important;
        line-height: 1.5 !important;
    }

    .single-product-hero--certificate .cert-configurator .upload-now.single-product-upload-btn,
    .single-product-hero--certificate .cert-configurator .cert-upload-cta {
        width: calc(100% - 32px) !important;
        margin: 12px 16px 8px !important;
        padding: 14px 16px !important;
        font-size: 0.9rem !important;
        border-radius: 14px !important;
        box-sizing: border-box;
    }

    .single-product-hero--certificate .cert-configurator .cert-sidebar-frame-link {
        font-size: 0.82rem;
        margin: 0 16px 12px;
    }

    .single-product-hero--certificate .cert-hero-sidebar--mobile {
        display: none !important;
    }

    .cert-sticky-cta__title {
        white-space: normal;
        line-height: 1.25;
        font-size: 0.78rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
}

@media (max-width: 576px) {
    .single-product-hero--certificate .cert-order-source {
        padding: 0 12px !important;
    }

    .single-product-hero--certificate .cert-pdp-gallery__thumbs {
        margin-left: 12px;
        margin-right: 12px;
    }

    .single-product-hero--certificate .cert-order-pricing {
        padding: 14px 14px 0;
    }

    .single-product-hero--certificate .cert-configurator .python-page-all-right {
        padding: 0 14px 14px;
    }

    .single-product-hero--certificate .cert-configurator .product-from > form {
        column-gap: 10px;
    }

    .single-product-hero--certificate .cert-configurator .tt-select select,
    .single-product-hero--certificate .cert-configurator .from-input select {
        padding: 10px 10px !important;
        font-size: 0.8rem !important;
    }
}

/* Testimonial stars */
.cert-testimonial__stars {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-bottom: 16px;
    color: var(--cert-gold);
    font-size: 0.9rem;
}

.cert-trust-stats--compact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 16px;
    padding: 14px;
    background: var(--cert-ink);
    border-radius: var(--cert-radius-sm);
    color: #fff;
}

.cert-trust-stats--compact .cert-trust-stats__item {
    text-align: center;
}

.cert-trust-stats--compact .cert-trust-stats__item i {
    color: var(--cert-gold-light);
    margin-bottom: 6px;
    display: block;
}

.cert-trust-stats--compact .cert-trust-stats__number {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
}

.cert-trust-stats--compact .cert-trust-stats__label {
    display: block;
    font-size: 0.62rem;
    opacity: 0.82;
    line-height: 1.35;
}

/* ══════════════════════════════════════════════
   Responsive
   ══════════════════════════════════════════════ */

@media (min-width: 992px) {
    .cert-editorial-hero .cert-hero-sidebar {
        position: sticky;
        top: 88px;
    }

    .cert-sticky-cta--mobile {
        display: none !important;
    }
}

@media (max-width: 991px) {
    .cert-editorial-hero {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .cert-editorial-hero__copy {
        order: 2;
        text-align: center;
    }

    .cert-editorial-hero__sub,
    .cert-badge-row,
    .cert-editorial-hero__cta-row {
        margin-left: auto;
        margin-right: auto;
        justify-content: center;
        width: 100%;
    }

    .cert-editorial-hero__cta-row .cert-btn {
        flex: 1 1 calc(50% - 6px);
        min-width: 0;
        font-size: 0.84rem;
        padding: 12px 14px;
    }

    .cert-editorial-hero__gallery-col {
        order: 1;
    }

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

    .cert-scroll-story__beat:nth-child(even) .cert-scroll-story__media,
    .cert-scroll-story__beat:nth-child(even) .cert-scroll-story__copy {
        order: unset;
    }

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

    .cert-paper-compare__tabs {
        flex-direction: row;
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .cert-paper-compare__tab {
        flex: 0 0 auto;
        min-width: 160px;
    }

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

    .cert-sticky-cta--desktop {
        display: none !important;
    }

    .cert-sticky-cta--mobile {
        display: block;
    }

    .cert-trust-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    /* Editorial card grids — two per row on mobile */
    .cert-detail-cards,
    .cert-spec-cards,
    .cert-related-products__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .cert-detail-card {
        padding: 16px 12px;
    }

    .cert-detail-card i {
        font-size: 1.05rem;
        margin-bottom: 8px;
    }

    .cert-detail-card h3 {
        font-size: 0.88rem;
        margin-bottom: 6px;
        line-height: 1.25;
    }

    .cert-detail-card p {
        font-size: 0.72rem;
        line-height: 1.45;
    }

    .cert-detail-card .cert-packaging-sequence__step-num {
        width: 24px;
        height: 24px;
        font-size: 0.72rem;
        margin-bottom: 8px !important;
    }

    .cert-spec-card {
        padding: 14px 10px;
    }

    .cert-spec-card i {
        font-size: 0.88rem;
        margin-bottom: 6px;
    }

    .cert-spec-card strong {
        font-size: 0.58rem;
    }

    .cert-spec-card span {
        font-size: 0.78rem;
        line-height: 1.35;
    }

    .cert-related-products__grid {
        gap: 12px;
    }

    .cert-related-products__body {
        padding: 10px 10px 12px;
        gap: 4px;
    }

    .cert-related-products__body h3 {
        font-size: 0.82rem;
        line-height: 1.3;
    }

    .cert-related-products__body p {
        font-size: 0.7rem;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .cert-related-products__price {
        font-size: 0.82rem;
    }

    .cert-pdp__section--compact-top {
        padding-top: 24px;
        padding-bottom: clamp(32px, 5vw, 48px);
    }
}

@media (max-width: 576px) {
    .cert-hero-card__trust {
        grid-template-columns: 1fr;
    }

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

    .cert-trust-stats--compact {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .cert-editorial-hero__cta-row .cert-btn {
        flex: 1 1 100%;
    }

    .cert-sticky-cta--mobile .cert-btn {
        font-size: 0.84rem;
        padding: 12px 14px;
    }

    .cert-price-amount {
        font-size: 1.85rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    #cert-hero-certificate,
    .cert-hero-certificate {
        transition: none;
        transform: none !important;
    }

    .cert-reveal,
    .cert-reveal--left,
    .cert-reveal--right {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .cert-lift-card:hover {
        transform: none;
    }

    .cert-magnetic-btn {
        transform: none !important;
    }

    .cert-packaging-sequence__step {
        opacity: 1;
        transform: none;
    }

    .cert-sticky-cta {
        transition: none;
    }
}