:root {
    --paper: #f3efe4;
    --paper-2: #e7e1d2;
    --ink: #1a1f27;
    --ink-soft: #3a414c;
    --ink-muted: #5e6672;
    --teal: #0b6a72;
    --brick: #8c3a30;
    --navy: #15202b;
    --serif: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
    --sans: "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
    --container: 1100px;
    --hairline: rgba(26, 31, 39, 0.12);
    --shadow:
        0 1px 0 rgba(26, 31, 39, 0.05),
        0 8px 24px rgba(26, 31, 39, 0.08);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-weight: 400;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::selection {
    background: rgba(11, 106, 114, 0.2);
    color: var(--ink);
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; height: auto; display: block; }

ul, ol { list-style: none; }
/* Safari keeps display:list-item on li / role=listitem, which drops them out of flex and grid. */
li { display: block; }

.skip-link {
    position: absolute;
    left: 16px;
    top: -100px;
    padding: 10px 14px;
    background: var(--navy);
    color: var(--paper);
    font-size: 14px;
    z-index: 1000;
}
.skip-link:focus { top: 12px; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding-left: max(40px, env(safe-area-inset-left, 0px));
    padding-right: max(40px, env(safe-area-inset-right, 0px));
}

/* ===== Type ===== */
h1, h2, h3, h4 {
    font-family: var(--serif);
    font-optical-sizing: auto;
    font-weight: 600;
    letter-spacing: -0.025em;
    text-wrap: balance;
    color: var(--ink);
}
h1 { font-size: clamp(40px, 5.6vw, 68px); line-height: 1.05; }
h2 { font-size: clamp(30px, 3.8vw, 46px); line-height: 1.12; }
h3 { font-size: 1.45rem; line-height: 1.25; font-weight: 600; }
h1 em, h2 em, h3 em {
    font-style: italic;
    font-weight: inherit;
}

p {
    color: var(--ink-soft);
    font-size: 17px;
    line-height: 1.65;
    text-wrap: pretty;
}

.kicker {
    font-family: var(--serif);
    font-style: italic;
    font-optical-sizing: auto;
    font-weight: 400;
    font-size: 1.05rem;
    color: var(--ink-muted);
    margin-bottom: 14px;
}

.lede {
    margin-top: 20px;
    font-size: clamp(18px, 1.7vw, 20px);
    line-height: 1.55;
    max-width: 62ch;
    color: var(--ink-soft);
}

.section-head { max-width: 740px; }
.section-head h2 { max-width: 22ch; }

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--paper);
    padding-top: env(safe-area-inset-top, 0px);
    box-shadow: inset 0 -1px 0 var(--hairline);
}
.site-header.is-scrolled {
    box-shadow: inset 0 -1px 0 rgba(26, 31, 39, 0.2);
}

body.nav-open { overflow: hidden; }

.header-bar {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 16px 0 18px;
}

.brand { margin-right: auto; }

.brand-mark {
    height: 40px;
    width: auto;
    mix-blend-mode: multiply;
}

.nav {
    display: flex;
    align-items: center;
    gap: 26px;
}

.nav a {
    font-size: 14.5px;
    color: var(--ink-soft);
}

.nav a:hover { color: var(--ink); }

.nav a[aria-current="page"] {
    color: var(--ink);
    box-shadow: inset 0 -2px 0 var(--ink);
}

.header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    background: var(--ink);
    color: var(--paper);
    font-size: 13.5px;
    font-weight: 500;
    flex-shrink: 0;
    transition: background 0.15s ease;
}
.header-cta:hover {
    background: var(--navy);
    color: var(--paper);
}

.nav-toggle {
    display: none;
    background: none;
    border: 0;
    min-width: 44px;
    min-height: 44px;
    padding: 0 4px;
    font-family: var(--sans);
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
    cursor: pointer;
}

.nav-panel {
    background: var(--paper-2);
    padding: 12px 0 28px;
}
.nav-panel[hidden] { display: none; }

.nav-panel a {
    display: block;
    padding: 14px 0;
    min-height: 48px;
    font-family: var(--serif);
    font-size: 1.5rem;
    color: var(--ink);
}
.nav-panel a:last-child {
    margin-top: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px 22px;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--sans);
    font-size: 16px;
    font-weight: 500;
}

/* ===== Buttons ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 21px;
    background: var(--ink);
    color: var(--paper);
    font-size: 15px;
    font-weight: 500;
    border: 1px solid var(--ink);
    transition: background 0.15s ease, border-color 0.15s ease;
}
.btn-primary:hover { background: var(--navy); }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 21px;
    color: var(--ink);
    font-size: 15px;
    font-weight: 500;
    border: 1px solid var(--ink);
    background: transparent;
    transition: background 0.15s ease, color 0.15s ease;
}
.btn-secondary:hover {
    background: var(--ink);
    color: var(--paper);
}

.text-link {
    display: inline-block;
    margin-top: 18px;
    color: var(--teal);
    font-size: 15px;
    font-weight: 500;
    box-shadow: inset 0 -1px 0 rgba(11, 106, 114, 0.4);
}
.text-link:hover { box-shadow: inset 0 -2px 0 var(--teal); }

/* ===== Sections ===== */
.section { padding: 96px 0; }
.section.is-band { background: var(--paper-2); }
.section.is-flush { padding-top: 0; }

.facts { margin-top: 28px; }

.hero { padding: 72px 0 88px; }
.hero.is-tight { padding-bottom: 36px; }
.hero.is-tight > .container > h1 { max-width: 16ch; }

.hero-split {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 64px;
    align-items: end;
}
.hero-split.is-compact {
    grid-template-columns: minmax(0, 1.3fr) minmax(180px, 0.62fr);
    gap: 40px;
    align-items: start;
}
.hero-split.is-compact .hero-figure { margin-top: 2.6em; }
.hero-copy, .hero-figure { min-width: 0; }

.hero-copy h1 { max-width: 16ch; }

.hero-sub {
    margin-top: 26px;
    max-width: 44ch;
    font-size: 18.5px;
    line-height: 1.6;
    color: var(--ink-soft);
}
.hero-sub + .hero-sub { margin-top: 12px; font-size: 16.5px; color: var(--ink-muted); }
.hero-sub b { color: var(--ink); font-weight: 500; }
.hero-sub .line { display: block; }

.hero-cta {
    margin-top: 34px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
}

.proof {
    margin-top: 28px;
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.02rem;
    line-height: 1.55;
    color: var(--ink-muted);
    max-width: 46ch;
}

/* ===== KPIs ===== */
.kpis {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--paper-2);
    border: 1px solid var(--paper-2);
}
.kpis.is-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.kpi {
    display: block;
    min-width: 0;
    background: var(--paper);
    padding: 20px 18px 18px;
}

.kpi .n {
    font-family: var(--serif);
    font-size: clamp(26px, 3vw, 32px);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1;
    color: var(--teal);
}

.kpi .l {
    margin-top: 8px;
    font-size: 12.5px;
    color: var(--ink-muted);
}

.kpi-cap {
    margin-top: 14px;
    font-size: 13.5px;
    line-height: 1.55;
    color: var(--ink-muted);
    max-width: 68ch;
}

/* ===== Media ===== */
.photo {
    width: 100%;
    background: var(--navy);
    border: 1px solid var(--hairline);
    box-shadow: var(--shadow);
}

.media { margin-top: 40px; }

.media-still img {
    width: 100%;
    height: auto;
    display: block;
    background: var(--navy);
    border: 1px solid var(--hairline);
    box-shadow: var(--shadow);
}

.media-frame {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #111;
    border: 1px solid var(--hairline);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.media-frame iframe,
.media-frame img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    object-fit: cover;
}

.media-frame.is-photo { padding-top: 58%; }

.media-caption {
    margin-top: 14px;
    font-family: var(--serif);
    font-style: italic;
    font-size: 1rem;
    color: var(--ink-muted);
}

/* ===== Layers ===== */
.layers {
    margin-top: 48px;
    max-width: 720px;
}

.layers li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 24px;
    padding: 18px 0 18px 22px;
    border-left: 2px solid rgba(26, 31, 39, 0.16);
}

.layers .layer-title {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--ink);
}

.layers .layer-sub {
    margin-top: 4px;
    font-size: 15px;
    color: var(--ink-muted);
}

.layers .layer-tag {
    font-family: var(--serif);
    font-style: italic;
    font-size: 1rem;
    color: var(--ink-muted);
    flex-shrink: 0;
}

.layers .is-focus {
    border-left-color: var(--ink);
    padding-top: 26px;
    padding-bottom: 26px;
}

.layers .is-focus .layer-title {
    font-family: var(--serif);
    font-size: 1.85rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--ink);
}

.layers .is-focus .layer-sub { color: var(--ink-soft); }
.layers .is-focus .layer-tag { color: var(--ink); }

/* ===== Names / catalog ===== */
.names {
    margin-top: 44px;
    max-width: 720px;
    font-family: var(--serif);
    font-optical-sizing: auto;
    font-size: 1.35rem;
    line-height: 1.35;
}

.names li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 24px;
    padding: 16px 0;
}

.names li + li { box-shadow: inset 0 1px 0 var(--hairline); }

.names .name-tag {
    font-style: italic;
    font-size: 1rem;
    color: var(--ink-muted);
    flex-shrink: 0;
}

.marks {
    margin-top: 44px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 12px;
    max-width: 720px;
}
.marks li {
    display: block;
    flex: 0 0 auto;
    padding: 10px 16px;
    border: 1px solid var(--hairline);
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
}

.catalog {
    margin-top: 52px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 44px 64px;
}

.catalog dt {
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.05rem;
    color: var(--ink-muted);
    margin-bottom: 6px;
}

.catalog dd {
    font-size: 16px;
    line-height: 1.55;
    color: var(--ink-soft);
    max-width: 42ch;
}
.catalog dd h3 { margin-bottom: 10px; color: var(--ink); }
.catalog dd p { font-size: 16px; }

/* ===== Steps ===== */
.steps {
    margin-top: 52px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px 48px;
}

.step-num {
    display: block;
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.2rem;
    color: var(--ink-muted);
    margin-bottom: 12px;
}

.steps h3 { margin-bottom: 10px; }
.steps p { font-size: 16px; }

/* ===== Flow ===== */
.flow { margin-top: 52px; }

.flow-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
}

.flow-row.is-two { grid-template-columns: 1fr 1fr; max-width: 760px; }

.flow-label {
    display: block;
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.02rem;
    color: var(--ink-muted);
    margin-bottom: 8px;
}

.flow-title {
    font-family: var(--serif);
    font-optical-sizing: auto;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.3;
    color: var(--ink);
}

.flow-note {
    margin-top: 8px;
    font-size: 15px;
    color: var(--ink-soft);
}

.flow-mark {
    display: inline-block;
    margin-top: 10px;
    font-family: var(--serif);
    font-style: italic;
    color: var(--teal);
}

.flow-row .is-anomaly .flow-label,
.flow-row .is-anomaly .flow-mark { color: var(--brick); }

.flow-row .is-baseline .flow-label,
.flow-row .is-baseline .flow-mark { color: var(--teal); }

.flow-row > li { position: relative; }

.flow-row > li:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 0.35em;
    bottom: 0.35em;
    right: -19px;
    width: 1px;
    height: auto;
    background: rgba(26, 31, 39, 0.22);
}

.flow-tap {
    margin: 28px 0;
    padding-left: 22px;
    border-left: 2px solid var(--ink);
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.05rem;
    color: var(--ink);
}

.footnote {
    margin-top: 28px;
    font-size: 15px;
    color: var(--ink-soft);
    max-width: 68ch;
}
.footnote + .footnote { margin-top: 8px; color: var(--ink-muted); }

.cover {
    margin-top: 44px;
    max-width: 720px;
    font-family: var(--serif);
    font-optical-sizing: auto;
    font-size: 1.35rem;
    line-height: 1.35;
}
.cover li { padding: 16px 0; }
.cover li + li { box-shadow: inset 0 1px 0 var(--hairline); }

/* ===== Attach / compare ===== */
pre.attach,
pre.attach code {
    font-family: var(--mono);
}

pre.attach {
    display: block;
    max-width: 100%;
    background: var(--paper);
    padding: 16px 18px;
    font-size: 12.5px;
    line-height: 1.55;
    overflow-x: auto;
    color: var(--ink);
    margin-top: 28px;
    border: 1px solid var(--hairline);
    -webkit-overflow-scrolling: touch;
}

.compare {
    width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
    margin-top: 44px;
    font-size: 15.5px;
}

.compare th,
.compare td {
    text-align: left;
    padding: 12px 20px 12px 0;
    vertical-align: top;
    overflow-wrap: break-word;
    hyphens: auto;
}

.compare thead th {
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 500;
    color: var(--ink-muted);
    border-bottom: 1px solid var(--hairline);
}

.compare tbody th {
    font-weight: 500;
    color: var(--ink);
    width: 22%;
}

.compare tbody td,
.compare tbody th {
    border-bottom: 1px solid var(--hairline);
    padding-top: 14px;
    padding-bottom: 14px;
}

.compare tbody td:last-child {
    color: var(--ink);
    font-weight: 500;
}

/* ===== Notes / pair ===== */
.note {
    margin-top: 48px;
    max-width: 70ch;
    padding-left: 22px;
    border-left: 2px solid var(--ink);
}

.note.is-warn { border-left-color: var(--brick); }
.note h3 { margin-bottom: 10px; }
.note p { font-size: 16.5px; }

.pair {
    margin-top: 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.pair a {
    display: block;
    padding: 28px 28px 26px 26px;
    border: 1px solid var(--hairline);
    box-shadow: inset 3px 0 0 var(--ink);
    transition: background 0.15s ease, border-color 0.15s ease;
}
.pair a:hover {
    background: var(--paper-2);
    border-color: rgba(26, 31, 39, 0.22);
}
.pair a .kicker { margin-bottom: 10px; }
.pair h3 { margin: 0 0 12px; }
.pair p { font-size: 16px; }
.pair .text-link { margin-top: 16px; }

/* ===== Facts / product split ===== */
.split {
    margin-top: 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.why-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    gap: 48px 72px;
}
.why-split .cover {
    margin-top: 0;
    font-size: 1.28rem;
}
.why-split .note { margin-top: 10px; }

.why-takeaway {
    max-width: none;
}
.why-takeaway h3 {
    font-size: clamp(1.45rem, 2.1vw, 1.8rem);
    margin-bottom: 12px;
}
.why-takeaway p {
    font-size: 17.5px;
}

.facts li {
    padding: 14px 0;
    color: var(--ink-soft);
    font-size: 16px;
    line-height: 1.55;
}
.facts li + li { box-shadow: inset 0 2px 0 rgba(26, 31, 39, 0.08); }
.facts b { color: var(--ink); font-weight: 600; }

.drawing {
    width: 100%;
    max-width: 640px;
    height: auto;
}

.drawing-caption {
    margin-top: 16px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-family: var(--serif);
    font-style: italic;
    font-size: 0.95rem;
    color: var(--ink-muted);
}

/* ===== Research ===== */
.lead {
    max-width: 760px;
    padding: 8px 0 8px 28px;
    border-left: 2px solid var(--ink);
}
.lead h2 {
    font-size: clamp(32px, 4vw, 48px);
    max-width: 20ch;
    margin-bottom: 18px;
}
.lead h2 a:hover { color: var(--teal); }
.lead .lede { margin-top: 0; }

.lead-meta {
    margin-top: 22px;
    font-size: 15px;
    color: var(--ink-muted);
}

.lead-meta a {
    color: var(--teal);
    box-shadow: inset 0 -1px 0 rgba(11, 106, 114, 0.35);
}
.lead-meta a:hover { box-shadow: inset 0 -2px 0 var(--teal); }

.index {
    margin-top: 72px;
    border-top: 2px solid var(--ink);
}

.index li {
    display: grid;
    grid-template-columns: 10rem 1fr;
    gap: 28px;
    padding: 30px 0;
}

.index li + li { box-shadow: inset 0 2px 0 rgba(26, 31, 39, 0.1); }

.index time {
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.02rem;
    color: var(--ink-muted);
    padding-top: 5px;
}

.index h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.index p { font-size: 16px; max-width: 62ch; }

.index a { display: block; }
.index li:hover h3 { color: var(--teal); }

.patent-line {
    display: block;
    margin-top: 28px;
    font-family: var(--serif);
    font-style: italic;
    color: var(--ink-muted);
}

/* ===== CTA band ===== */
.cta-band {
    background: var(--navy);
    color: var(--paper);
    padding: 96px 0;
    text-align: center;
}

.cta-band .kicker { color: rgba(243, 239, 228, 0.62); }
.cta-band h2 {
    color: var(--paper);
    max-width: 20ch;
    margin: 0 auto 22px;
}
.cta-band p {
    color: rgba(243, 239, 228, 0.78);
    max-width: 58ch;
    margin: 0 auto 32px;
}
.cta-band .btn-primary {
    background: var(--paper);
    color: var(--navy);
}
.cta-band .btn-primary:hover { background: #fff; }

/* ===== Footer ===== */
.site-footer {
    padding: 64px 0 36px;
    background: var(--paper);
    box-shadow: inset 0 2px 0 var(--ink);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-brand .brand { display: inline-block; margin-bottom: 16px; }
.footer-brand .brand-mark { height: 40px; }

.footer-tag {
    font-size: 15px;
    color: var(--ink-soft);
    max-width: 36ch;
    line-height: 1.55;
}

.footer-col h2 {
    font-family: var(--serif);
    font-style: italic;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0;
    color: var(--ink-muted);
    margin-bottom: 12px;
}

.footer-col a {
    display: block;
    font-size: 15px;
    color: var(--ink-soft);
    padding: 5px 0;
}
.footer-col a:hover { color: var(--ink); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding-top: 22px;
    box-shadow: inset 0 2px 0 rgba(26, 31, 39, 0.1);
    font-size: 14px;
    color: var(--ink-muted);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .container {
        padding-left: max(24px, env(safe-area-inset-left, 0px));
        padding-right: max(24px, env(safe-area-inset-right, 0px));
    }
    .section, .cta-band { padding: 64px 0; }
    .hero { padding: 40px 0 56px; }
    .hero-copy h1,
    .hero.is-tight > .container > h1 { max-width: none; }
    .hero-split,
    .hero-split.is-compact,
    .catalog,
    .steps,
    .flow-row,
    .flow-row.is-two,
    .pair,
    .split,
    .footer-grid { grid-template-columns: 1fr; }
    .why-split { grid-template-columns: 1fr; }
    .hero-split.is-compact .hero-figure { margin-top: 8px; max-width: 280px; }
    .kpis { grid-template-columns: 1fr 1fr; }
    .kpis.is-three { grid-template-columns: 1fr; }
    .hero-split { gap: 32px; align-items: start; }
    .names { font-size: 1.2rem; }
    .flow-row { gap: 22px; }
    .flow-row > li:not(:last-child)::after { display: none; }
    .index li { grid-template-columns: 1fr; gap: 6px; padding: 22px 0; }
    .nav, .header-cta { display: none; }
    .nav-toggle { display: inline-flex; align-items: center; justify-content: flex-end; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .brand-mark { height: 32px; }
    .header-bar { padding: 10px 0 12px; gap: 16px; }
    .cta-band { padding-left: 0; padding-right: 0; }
    .cta-band .btn-primary { width: min(100%, 360px); }
}

@media (max-width: 600px) {
    .container {
        padding-left: max(20px, env(safe-area-inset-left, 0px));
        padding-right: max(20px, env(safe-area-inset-right, 0px));
    }
    h1 { font-size: 32px; }
    h2 { font-size: 28px; }
    h3 { font-size: 1.25rem; }
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }
    .btn-primary,
    .btn-secondary { min-height: 48px; width: 100%; }
    .compare,
    .compare tbody,
    .compare tr,
    .compare th,
    .compare td { display: block; width: 100%; }
    .compare { font-size: 15px; }
    .compare thead { display: none; }
    .compare tbody th {
        border-bottom: 0;
        padding: 18px 0 6px;
        width: 100%;
    }
    .compare tbody td {
        border-bottom: 0;
        padding: 4px 0 8px;
    }
    .compare tbody tr { box-shadow: inset 0 1px 0 var(--hairline); }
    .compare tbody tr:first-child th { padding-top: 8px; }
    .compare td::before {
        content: attr(data-label);
        display: block;
        font-size: 11px;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        font-weight: 500;
        color: var(--ink-muted);
        margin-bottom: 2px;
    }
    .pair a { padding: 22px 20px 20px; }
    .layers li { flex-direction: column; gap: 4px; padding-left: 16px; }
    .layers .is-focus .layer-title { font-size: 1.45rem; }
    .drawing-caption { flex-direction: column; }
    .catalog { gap: 28px; }
    .pair { gap: 36px; }
    .split { gap: 36px; }
    .media, .proof { margin-top: 24px; }
    .section-head h2 { max-width: none; }
    .footer-col a { min-height: 44px; display: flex; align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 3px;
}