/* Supporting articles inherit the published comparison page's palette and reading rhythm. */
:root{--support-blue:#087ba2;--support-ink:#222b30;--support-pale:#f1f7f9;--support-line:#d3dfe3;--support-warn:#9a4428;--support-teal:#126d70}
body{background:#f5f6f7}
.support-page{max-width:1120px;background:#fff;margin:auto;padding:0 48px 72px;box-shadow:0 3px 22px rgb(24 39 48 / 5%)}
.support-hero{padding:32px 0 38px}
.support-hero .publication-status{margin:0 0 28px}
.support-hero .category{margin:0 0 12px;font-size:14px;letter-spacing:.06em}
.support-hero h1{font-size:clamp(30px,3.6vw,46px);line-height:1.45;color:#15313c;margin:0 0 22px;font-weight:800;letter-spacing:-.025em}
.support-hero h1 em{font-style:normal;color:var(--support-blue)}
.support-lead{font-size:18px;line-height:1.95;max-width:850px;margin:0 0 24px;color:#40555e}
.support-hero-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);gap:36px;align-items:center}
.support-hero-layout>div{min-width:0}
.support-hero-visual{padding:26px;background:var(--support-pale);border:1px solid #c8dfe8;border-top:4px solid var(--support-blue)}
.support-hero-visual svg{display:block;width:100%;height:auto;max-height:330px}
.support-hero-visual img{display:block;width:100%;height:auto}
.support-hero-visual h2{font-size:19px;margin:0 0 20px;line-height:1.6;color:#15313c}
.support-hero-visual p{margin:12px 0 0;font-size:13px;line-height:1.8}
.support-summary{padding:24px 28px;border-top:4px solid var(--support-blue);background:var(--support-pale);margin:28px 0 0}
.support-summary h2,.support-summary h3{font-size:20px;line-height:1.6;margin:0 0 12px}
.support-summary p:last-child,.support-summary ul:last-child{margin-bottom:0}
.support-summary ul{padding-left:22px;display:grid;gap:9px}
.support-note,.support-result{border-left:4px solid var(--support-blue);background:var(--support-pale);padding:20px 24px;margin:26px 0;line-height:1.9}
.support-note strong{color:#173e4e}
.support-warning{border-left-color:var(--support-warn);background:#fff7f2;font-size:14px;color:#62473c}
.support-warning strong{color:#823e26}
.support-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;counter-reset:card}
.support-card{position:relative;min-width:0;border:1px solid var(--support-line);border-top:4px solid var(--support-blue);padding:24px;background:#fff}
.support-card h3{margin:0 0 12px;font-size:21px;line-height:1.6;color:#173e4e}
.support-card p{font-size:15px;line-height:1.9;margin:0}
.support-card p+p{margin-top:12px}
.support-card .support-card-number{display:block;font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--support-blue);margin-bottom:10px}
.support-section{padding:40px 0 12px;border-top:1px solid var(--support-line);margin-top:14px;scroll-margin-top:24px}
.support-section>h2{font-size:27px;line-height:1.6;padding:20px 24px;margin:0 0 26px;background:var(--support-blue);color:#fff}
.support-section>h2 .support-section-number{font-size:32px;margin-right:14px}
.support-section>p{line-height:2;margin:0 0 24px}
.support-section>h3{font-size:21px;background:var(--support-pale);border-left:5px solid var(--support-blue);padding:12px 16px;margin:30px 0 18px}
.support-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 24px;padding:28px;background:#f6fafb;border:1px solid #c8dfe8;border-top:4px solid var(--support-blue)}
.support-form label{font-weight:750;font-size:15px;line-height:1.7;color:#253f4b;min-width:0}
.support-form label small{display:block;font-weight:400;color:#536770;font-size:12px;margin-top:6px}
.support-form input,.support-form select{box-sizing:border-box;width:100%;max-width:100%;display:block;margin-top:9px;padding:13px 14px;min-height:52px;border:1px solid #8ca7b2;border-radius:4px;font:inherit;font-size:17px;background:#fff;color:#15313c}
.support-form input{font-variant-numeric:tabular-nums}
.support-form>div:last-child{grid-column:1/-1}
.support-button{display:inline-flex;justify-content:center;align-items:center;gap:10px;min-height:54px;border:0;border-radius:4px;background:var(--support-teal);color:#fff;padding:14px 28px;font-weight:800;font-size:16px;line-height:1.6;cursor:pointer;box-shadow:0 3px 0 #0b4b4d}
.support-button:hover{background:#0b575a;color:#fff}
.support-button:focus-visible,.support-form input:focus-visible,.support-form select:focus-visible,.support-check input:focus-visible{outline:3px solid #c56531;outline-offset:4px}
.support-result[hidden]{display:none}
.support-result{border:1px solid #7eafb8;border-left:5px solid var(--support-teal);background:#edf7f5;padding:24px 28px}
.support-result strong{display:block;font-size:25px;line-height:1.6;color:#075f65}
.support-result p:last-child{margin-bottom:0}
.support-result [data-volume]{font-size:28px;color:#075f65;font-variant-numeric:tabular-nums}
.support-table{overflow:auto;border-top:4px solid var(--support-blue);margin:24px 0 16px;overscroll-behavior-x:contain}
.support-table table{min-width:640px;font-size:15px;line-height:1.85}
.support-table thead th{background:var(--support-blue)}
.support-table th,.support-table td{padding:19px 20px}
.support-table tbody th{background:#edf5f8;color:#153e4f}
.support-checks{display:grid;gap:14px;counter-reset:check}
.support-check{display:grid;grid-template-columns:26px minmax(0,1fr);gap:14px;align-items:start;border:1px solid var(--support-line);border-left:4px solid #a8bcc5;padding:20px 22px;background:#fff;cursor:pointer;line-height:1.85}
.support-check:hover{border-color:#7aa8b9;background:#f7fbfc}
.support-check:has(input:checked){border-color:#8bb4a8;border-left-color:var(--support-teal);background:#edf7f3}
.support-check input{width:22px;height:22px;margin:5px 0 0;accent-color:var(--support-teal);cursor:pointer}
.support-check strong{color:#173e4e;font-size:17px}
.support-check small{display:block;font-size:14px;color:#52666e;margin-top:4px}
.support-status{position:sticky;bottom:14px;z-index:10;background:#173e4e;color:#fff;padding:17px 22px;text-align:center;font-weight:800;font-size:17px;border:1px solid #315b6b;border-radius:4px;box-shadow:0 4px 16px #173e4e26;line-height:1.7;margin-top:24px}
.support-actions{display:flex;flex-wrap:wrap;align-items:stretch;gap:16px;margin:28px 0 8px}
.support-link{display:inline-flex;justify-content:center;align-items:center;gap:12px;min-height:58px;background:var(--support-teal);color:#fff!important;text-decoration:none!important;padding:15px 22px;border:2px solid var(--support-teal);border-radius:4px;font-size:16px;line-height:1.7;font-weight:800;text-align:center;flex:1 1 280px}
.support-link:hover{background:#0b575a;border-color:#0b575a}
.support-link.secondary{background:#fff;color:#096777!important;border-color:#86abb9;font-size:15px}
.support-link.secondary:hover{background:var(--support-pale);border-color:var(--support-blue)}
.support-source{font-size:12px!important;line-height:1.9!important;color:#52636a;background:#f5f7f8;border-left:3px solid #a7bac3;padding:12px 15px;margin-top:16px!important}
.support-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:step;padding:0;margin:24px 0}
.support-flow li{position:relative;list-style:none;border-top:4px solid var(--support-blue);background:var(--support-pale);padding:20px 18px;font-size:14px;line-height:1.8}
.support-flow li:before{counter-increment:step;content:"0" counter(step);display:block;font-size:26px;line-height:1.3;margin-bottom:12px;font-weight:800;color:var(--support-blue);font-variant-numeric:tabular-nums}
.support-flow li+li:after{content:"→";position:absolute;left:-15px;top:44%;color:#688793;font-weight:800}
.support-flow strong{display:block;font-size:17px;color:#173e4e;margin-bottom:6px}
.support-section>ol:not(.support-flow){padding-left:28px;display:grid;gap:14px;margin:24px 0}
.support-section>ol:not(.support-flow)>li{padding-left:8px;line-height:1.9}
.support-section>ol:not(.support-flow)>li::marker{color:var(--support-blue);font-weight:800}
@media(max-width:900px){.support-page{padding:0 30px 60px}.support-hero-layout{grid-template-columns:1fr;gap:24px}.support-hero-visual svg{max-height:280px}.support-flow{grid-template-columns:repeat(2,minmax(0,1fr))}.support-flow li:nth-child(3):after{content:none}}
@media(max-width:700px){.support-page{padding:0 18px 48px}.support-hero{padding:22px 0 26px}.support-hero .publication-status{margin-bottom:22px;font-size:11px!important}.support-hero h1{font-size:30px;line-height:1.5;margin-bottom:18px}.support-lead{font-size:16px}.support-hero-visual{padding:20px}.support-summary{padding:20px}.support-grid,.support-form{grid-template-columns:1fr}.support-card{padding:20px}.support-section{padding-top:30px;margin-top:12px}.support-section>h2{font-size:22px;padding:17px 16px;margin-bottom:22px}.support-section>h3{font-size:19px}.support-form{padding:20px 16px;gap:20px}.support-form input,.support-form select{font-size:16px}.support-button{width:100%;padding:14px 16px}.support-note,.support-result{padding:18px}.support-result strong{font-size:22px}.support-check{padding:17px 14px;gap:10px}.support-check strong{font-size:16px}.support-check small{font-size:13px}.support-status{bottom:8px;padding:13px 14px;font-size:15px}.support-actions{gap:12px}.support-link{flex-basis:100%;font-size:15px}.support-table th,.support-table td{padding:16px}.support-flow{gap:12px}.support-flow li{padding:16px 12px}.support-flow li:after{display:none}.support-flow strong{font-size:16px}}
@media(max-width:380px){.support-hero h1{font-size:27px}.support-flow{grid-template-columns:1fr}.support-section>h2{font-size:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Three-step journeys keep equal columns without introducing another visual language. */
@media(min-width:901px){.support-flow:has(>li:nth-child(3):last-child){grid-template-columns:repeat(3,minmax(0,1fr))}}
/* Captions stay supporting text; comparison figures must not override hero diagrams. */
figure.support-hero-visual{margin:0}
.support-hero-visual figcaption{font-size:13px;font-weight:400;line-height:1.8;margin:12px 0 0;color:#52666e}