.abacus-product,
.abacus-subpage {
    --aba-bg: #fffaf3;
    --aba-surface: #f3eee5;
    --aba-ink: #191612;
    --aba-copy: #6a6259;
    --aba-accent: #d5411e;
    --aba-deep: #3e1c12;
    --aba-line: #d9cfc2;
    --aba-on-accent: #ffffff;
    color: var(--aba-ink);
    background: var(--aba-bg);
}

.abacus-product-mind {
    --aba-bg: #fbfaf5;
    --aba-surface: #edf1e8;
    --aba-ink: #0b3328;
    --aba-copy: #5c6b64;
    --aba-accent: #0d624a;
    --aba-deep: #082b22;
    --aba-line: #cbd7ce;
    --aba-on-accent: #ffffff;
}

.abacus-hero,
.abacus-facts { padding: 0; }

.abacus-hero {
    overflow: hidden;
    border-bottom: 1px solid var(--aba-line);
    background: var(--aba-bg);
}

.abacus-hero-grid {
    box-sizing: border-box;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.62fr);
    align-items: center;
    gap: 64px;
    min-height: min(560px, calc(100svh - 180px));
    padding-top: 44px;
    padding-bottom: 44px;
}

.abacus-lockup {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.abacus-lockup img,
.abacus-title img,
.abacus-privacy-band img {
    width: 68px;
    height: 68px;
    border: 1px solid var(--aba-line);
    border-radius: 15px;
    object-fit: cover;
    box-shadow: 0 16px 36px rgba(43, 29, 20, 0.12);
}

.abacus-lockup strong,
.abacus-lockup span { display: block; }
.abacus-lockup strong { font-size: 1.18rem; font-weight: 850; }
.abacus-lockup span { margin-top: 3px; color: var(--aba-copy); font-size: 0.76rem; font-weight: 700; text-transform: uppercase; }

.abacus-hero h1 {
    max-width: 760px;
    margin: 0;
    color: var(--aba-ink);
    font-size: 4rem;
    line-height: 1;
    letter-spacing: 0;
}

.abacus-product-mind .abacus-hero h1,
.abacus-product-mind .abacus-heading h2,
.abacus-product-mind .abacus-privacy-band h2,
.abacus-product-mind .abacus-final h2 {
    font-family: Georgia, 'Times New Roman', serif;
    font-weight: 700;
}

.abacus-hero h1 em { color: var(--aba-accent); font-style: normal; }
.abacus-hero-copy > p:not(.abacus-availability) { max-width: 680px; margin: 20px 0 0; color: var(--aba-copy); font-size: 1.02rem; line-height: 1.7; }
.abacus-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; margin-top: 26px; }
.abacus-actions a,
.abacus-final a { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; color: var(--aba-accent); font-weight: 800; }
.abacus-actions .abacus-primary { padding: 0 22px; border-radius: 6px; color: var(--aba-on-accent); background: var(--aba-accent); }
.abacus-availability { display: flex; align-items: center; gap: 8px; margin: 17px 0 0; color: var(--aba-copy); font-size: 0.8rem; font-weight: 700; }

.abacus-hero-art {
    position: relative;
    display: flex;
    justify-content: center;
    min-height: 430px;
}

.abacus-hero-art > img {
    display: block;
    width: auto;
    max-width: 210px;
    height: 430px;
    border: 1px solid var(--aba-line);
    border-radius: 7px;
    object-fit: contain;
    box-shadow: 0 26px 60px rgba(44, 28, 19, 0.18);
}

.abacus-hero-note {
    position: absolute;
    right: 0;
    bottom: 28px;
    width: 210px;
    padding: 17px 18px;
    border-left: 4px solid var(--aba-accent);
    color: var(--aba-bg);
    background: var(--aba-deep);
    box-shadow: 0 15px 34px rgba(28, 22, 16, 0.2);
}

.abacus-hero-note strong,
.abacus-hero-note span { display: block; }
.abacus-hero-note strong { font-size: 0.85rem; }
.abacus-hero-note span { margin-top: 5px; color: rgba(255, 255, 255, 0.68); font-size: 0.73rem; line-height: 1.45; }

.abacus-facts { border-bottom: 1px solid var(--aba-line); background: var(--aba-deep); }
.abacus-facts .container { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.abacus-facts .container > div { padding: 24px; border-left: 1px solid rgba(255, 255, 255, 0.16); }
.abacus-facts .container > div:last-child { border-right: 1px solid rgba(255, 255, 255, 0.16); }
.abacus-facts strong,
.abacus-facts span { display: block; }
.abacus-facts strong { color: #fff; font-size: 0.98rem; }
.abacus-facts span { margin-top: 5px; color: rgba(255, 255, 255, 0.62); font-size: 0.77rem; }

.abacus-story,
.abacus-gallery,
.abacus-features,
.abacus-privacy-band,
.abacus-final,
.abacus-help,
.abacus-policy-section { padding: 88px 0; }

.abacus-heading { max-width: 800px; }
.abacus-heading > span,
.abacus-contact > span,
.abacus-privacy-band span,
.abacus-final span { display: block; margin-bottom: 14px; color: var(--aba-accent); font-size: 0.74rem; font-weight: 850; text-transform: uppercase; }
.abacus-heading h2,
.abacus-contact h2,
.abacus-privacy-band h2,
.abacus-final h2 { margin: 0; color: var(--aba-ink); font-size: 2.6rem; line-height: 1.1; letter-spacing: 0; }
.abacus-heading p { margin: 18px 0 0; color: var(--aba-copy); line-height: 1.7; }

.abacus-story { background: var(--aba-bg); }
.abacus-story-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 50px; border-top: 1px solid var(--aba-line); }
.abacus-story-grid article { padding: 28px 25px 8px 0; }
.abacus-story-grid article + article { padding-left: 25px; border-left: 1px solid var(--aba-line); }
.abacus-story-grid article > span { color: var(--aba-accent); font-size: 0.75rem; font-weight: 850; }
.abacus-story-grid h3 { margin: 22px 0 10px; color: var(--aba-ink); font-size: 1.04rem; }
.abacus-story-grid p { margin: 0; color: var(--aba-copy); font-size: 0.86rem; line-height: 1.65; }

.abacus-gallery { overflow: hidden; background: var(--aba-deep); }
.abacus-heading-light > span { color: #f7a76f; }
.abacus-product-mind .abacus-heading-light > span { color: #dca260; }
.abacus-heading-light h2 { color: #fff; }
.abacus-shot-rail { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 17px; margin-top: 44px; }
.abacus-shot-rail figure { margin: 0; }
.abacus-shot-rail img { display: block; width: 100%; aspect-ratio: 1242 / 2688; border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 6px; object-fit: cover; }
.abacus-product-mind .abacus-shot-rail img { aspect-ratio: 850 / 1850; }
.abacus-shot-rail figcaption { padding: 16px 2px 0; }
.abacus-shot-rail strong,
.abacus-shot-rail span { display: block; }
.abacus-shot-rail strong { color: #fff; font-size: 0.86rem; }
.abacus-shot-rail span { margin-top: 5px; color: rgba(255, 255, 255, 0.62); font-size: 0.75rem; line-height: 1.5; }

.abacus-features { background: var(--aba-surface); }
.abacus-feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 48px; border-top: 1px solid var(--aba-line); border-left: 1px solid var(--aba-line); }
.abacus-feature-grid article { min-height: 210px; padding: 28px; border-right: 1px solid var(--aba-line); border-bottom: 1px solid var(--aba-line); }
.abacus-feature-grid i { color: var(--aba-accent); font-size: 1.32rem; }
.abacus-feature-grid h3 { margin: 22px 0 10px; color: var(--aba-ink); font-size: 1rem; }
.abacus-feature-grid p { margin: 0; color: var(--aba-copy); font-size: 0.84rem; line-height: 1.65; }

.abacus-privacy-band { background: var(--aba-bg); }
.abacus-privacy-band .container { display: grid; grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr); align-items: center; gap: 84px; }
.abacus-privacy-band img { margin-bottom: 24px; }
.abacus-privacy-band .container > div:last-child > p { margin: 0; color: var(--aba-copy); line-height: 1.8; }
.abacus-links { display: flex; flex-wrap: wrap; gap: 15px 25px; margin-top: 28px; }
.abacus-links a { color: var(--aba-accent); font-weight: 800; }

.abacus-final { color: #fff; background: var(--aba-accent); }
.abacus-final .container { display: flex; align-items: center; justify-content: space-between; gap: 54px; }
.abacus-final span { color: rgba(255, 255, 255, 0.68); }
.abacus-final h2 { color: #fff; }
.abacus-final p { margin: 11px 0 0; color: rgba(255, 255, 255, 0.76); }
.abacus-final .container > div:last-child { display: flex; flex-wrap: wrap; gap: 12px; }
.abacus-final a { min-width: 145px; padding: 0 18px; border: 1px solid rgba(255, 255, 255, 0.7); border-radius: 5px; color: #fff; }
.abacus-final a:first-child { color: var(--aba-bg); border-color: var(--aba-deep); background: var(--aba-deep); }

.abacus-subhead { padding: 58px 0 64px; border-bottom: 1px solid rgba(255, 255, 255, 0.14); color: #fff; background: var(--aba-deep); }
.abacus-back { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 38px; color: #f7a76f; font-size: 0.82rem; font-weight: 800; }
.abacus-product-mind .abacus-back { color: #e5bb77; }
.abacus-title { display: flex; align-items: center; gap: 22px; }
.abacus-title img { border-color: rgba(255, 255, 255, 0.18); }
.abacus-title h1 { margin: 0; color: #fff; font-size: 3rem; line-height: 1.05; letter-spacing: 0; }
.abacus-product-mind .abacus-title h1 { font-family: Georgia, 'Times New Roman', serif; }
.abacus-title p { max-width: 760px; margin: 10px 0 0; color: rgba(255, 255, 255, 0.68); line-height: 1.6; }

.abacus-help,
.abacus-policy-section { background: var(--aba-bg); }
.abacus-help-grid { display: grid; grid-template-columns: minmax(280px, 0.68fr) minmax(0, 1.32fr); gap: 82px; align-items: start; }
.abacus-contact { position: sticky; top: 150px; }
.abacus-contact p { margin: 22px 0; color: var(--aba-copy); line-height: 1.75; }
.abacus-contact p a,
.abacus-contact > a,
.abacus-faq a,
.abacus-policy a { color: var(--aba-accent); font-weight: 800; }
.abacus-faq > h2 { margin: 0 0 20px; color: var(--aba-ink); font-size: 1.6rem; }
.abacus-faq details { border-top: 1px solid var(--aba-line); }
.abacus-faq details:last-child { border-bottom: 1px solid var(--aba-line); }
.abacus-faq summary { position: relative; padding: 21px 42px 21px 0; color: var(--aba-ink); font-weight: 780; cursor: pointer; list-style: none; }
.abacus-faq summary::-webkit-details-marker { display: none; }
.abacus-faq summary::after { position: absolute; top: 50%; right: 4px; content: "+"; transform: translateY(-50%); color: var(--aba-accent); font-size: 1.3rem; }
.abacus-faq details[open] summary::after { content: "−"; }
.abacus-faq details p { margin: -2px 0 23px; padding-right: 30px; color: var(--aba-copy); line-height: 1.75; }

.abacus-policy { max-width: 850px; margin: 0 auto; color: var(--aba-copy); line-height: 1.8; }
.abacus-policy h2 { margin: 42px 0 12px; color: var(--aba-ink); font-size: 1.42rem; letter-spacing: 0; }
.abacus-policy li { margin-bottom: 8px; }
.abacus-policy-meta { margin-bottom: 31px; padding-bottom: 27px; border-bottom: 1px solid var(--aba-line); }
.abacus-choice-note { padding: 21px 23px; border-left: 4px solid var(--aba-accent); color: var(--aba-copy); background: var(--aba-surface); }
.abacus-choice-note strong { color: var(--aba-ink); }
.abacus-choice-note p { margin: 7px 0 0; }
.abacus-choice-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }
.abacus-choice-actions a { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; padding: 0 18px; border: 1px solid var(--aba-line); border-radius: 5px; }

@media (max-width: 1040px) {
    .abacus-hero-grid { grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr); gap: 40px; }
    .abacus-hero h1 { font-size: 3.5rem; }
    .abacus-story-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .abacus-story-grid article:nth-child(3) { padding-left: 0; border-top: 1px solid var(--aba-line); border-left: 0; }
    .abacus-story-grid article:nth-child(4) { border-top: 1px solid var(--aba-line); }
}

@media (max-width: 800px) {
    .abacus-hero-grid,
    .abacus-privacy-band .container,
    .abacus-help-grid { grid-template-columns: minmax(0, 1fr); }
    .abacus-hero-grid { min-height: 0; gap: 44px; padding-top: 58px; }
    .abacus-hero h1 { font-size: 3.35rem; }
    .abacus-facts .container { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .abacus-facts .container > div:nth-child(3),
    .abacus-facts .container > div:nth-child(4) { border-top: 1px solid rgba(255, 255, 255, 0.16); }
    .abacus-shot-rail { grid-template-columns: repeat(5, minmax(240px, 45vw)); overflow-x: auto; margin-inline: -20px; padding: 0 20px 20px; scroll-snap-type: x mandatory; }
    .abacus-shot-rail figure { scroll-snap-align: start; }
    .abacus-feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .abacus-privacy-band .container { gap: 34px; }
    .abacus-final .container { align-items: flex-start; flex-direction: column; }
    .abacus-contact { position: static; }
}

@media (max-width: 560px) {
    .abacus-hero-grid { padding-top: 72px; padding-bottom: 36px; }
    .abacus-hero h1 { font-size: 2.55rem; }
    .abacus-lockup img,
    .abacus-title img,
    .abacus-privacy-band img { width: 58px; height: 58px; border-radius: 13px; }
    .abacus-actions { align-items: stretch; flex-direction: column; }
    .abacus-actions a { width: 100%; }
    .abacus-hero-art { display: none; }
    .abacus-story,
    .abacus-gallery,
    .abacus-features,
    .abacus-privacy-band,
    .abacus-final,
    .abacus-help,
    .abacus-policy-section { padding: 66px 0; }
    .abacus-heading h2,
    .abacus-contact h2,
    .abacus-privacy-band h2,
    .abacus-final h2 { font-size: 2rem; }
    .abacus-story-grid { grid-template-columns: minmax(0, 1fr); }
    .abacus-story-grid article,
    .abacus-story-grid article + article,
    .abacus-story-grid article:nth-child(3) { padding: 23px 0; border-top: 1px solid var(--aba-line); border-left: 0; }
    .abacus-feature-grid { grid-template-columns: minmax(0, 1fr); }
    .abacus-feature-grid article { min-height: 0; }
    .abacus-title { align-items: flex-start; }
    .abacus-title h1 { font-size: 2.2rem; }
    .abacus-final .container > div:last-child,
    .abacus-final a { width: 100%; }
}