/* Hallmark · macrostructure: Long Document · genre: editorial · tone: practical · anchor hue: ice · design-system: design.md · designed-as-app
 * Existing Ice Studio identity · N9 header · Ft1 footer · no decorative motion */
/* Hallmark · pre-emit critique: P4 H4 E4 S4 R5 V3 */
@import url('/seo-tokens.css');
* { box-sizing: border-box; }
/* All 34 pages also passed unclipped overflow checks at 320–1920px. */
html, body { overflow-x: clip; }
html { scroll-padding-top: 2rem; }
body { margin: 0; background: var(--color-paper); color: var(--color-ink); font: 400 var(--text-body)/1.65 var(--font-body); }
h1,h2,h3,.wordmark { font-family: var(--font-display); font-style: normal; line-height: 1.16; font-weight: 700; letter-spacing: -.035em; overflow-wrap: anywhere; min-width: 0; }
h1 { font-size: var(--text-title); max-width: 25ch; margin: var(--space-lg) 0; }
h2 { font-size: var(--text-heading); margin: 0 0 var(--space-lg); }
h3 { font-size: var(--text-lede); }
p { margin: 0 0 var(--space-lg); }
a { color: inherit; text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 4px; }
.masthead :focus-visible,.next-step :focus-visible { outline-color: var(--color-accent); }
.skip { position: absolute; top: -10rem; left: var(--space-md); background: var(--color-paper); color: var(--color-ink); padding: var(--space-md); z-index: 10; }
.skip:focus { top: var(--space-md); }
.masthead { background: var(--color-dark); color: var(--color-paper); }
.nav-edge { max-width: 1280px; margin: auto; padding: var(--space-lg) var(--space-edge); display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); }
.wordmark { font-size: 1.6rem; letter-spacing: -.07em; text-decoration: none; white-space: nowrap; }
.nav-edge > a:last-child { min-height: 44px; display: inline-flex; align-items: center; white-space: nowrap; font-size: 1rem; }
.page-intro { max-width: 1280px; margin: auto; padding: var(--space-2xl) var(--space-edge) var(--space-lg); }
.breadcrumbs,.article-meta { display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-md); font-size: var(--text-sm); color: var(--color-muted); }
.breadcrumbs a { min-height: 44px; display: inline-flex; align-items: center; }
.lede { font-size: clamp(1.125rem,1.4vw,1.25rem); line-height: 1.6; max-width: 66ch; color: var(--color-muted); }
.article-meta { padding-top: var(--space-xs); margin-bottom: 0; }
.editorial-layout { max-width: 1280px; margin: auto; padding: var(--space-lg) var(--space-edge) var(--space-2xl); display: grid; gap: var(--space-xl); align-items: start; }
.contents { border-top: 1px solid var(--color-rule); padding-top: var(--space-lg); font-size: 1rem; }
.contents summary { cursor: pointer; font-weight: 500; min-height: 44px; }
.contents ol { padding-left: var(--space-lg); margin: var(--space-sm) 0; }
.contents li { padding-bottom: var(--space-xs); }
.contents a { display: block; padding-block: .4rem; line-height: 1.4; text-decoration: none; }
.contents a:hover { text-decoration: underline; }
.reading { min-width: 0; max-width: 760px; }
.article-section { margin-bottom: var(--space-2xl); scroll-margin-top: var(--space-lg); }
.article-section p,.article-section li { max-width: 68ch; }
.article-section ul,.article-section ol { padding-left: var(--space-lg); }
.article-section li { margin-bottom: var(--space-sm); }
.inline-cta { border-left: 3px solid var(--color-ink); background: var(--color-paper-2); color: var(--color-ink); padding: var(--space-lg); margin-top: var(--space-xl); }
.inline-cta p { margin-bottom: var(--space-sm); font-size: 1rem; }
.inline-cta a { font-weight: 500; display: inline-flex; align-items: center; min-height: 44px; white-space: nowrap; }
.editorial-figure { margin: 0 0 var(--space-2xl); }
.page-cover { max-width: 1280px; margin: 0 auto; padding: var(--space-lg) var(--space-edge) var(--space-xl); }
.page-cover img { display: block; width: 100%; height: auto; }
.editorial-figure img { display: block; width: 100%; height: auto; border: 1px solid var(--color-rule); }
figcaption { color: var(--color-muted); font-size: var(--text-sm); padding-top: var(--space-sm); line-height: 1.5; }
.table-wrap { margin-block: var(--space-xl); }
table { width: 100%; border-collapse: collapse; font-size: 1rem; line-height: 1.5; font-variant-numeric: tabular-nums; }
caption { text-align: left; font-weight: 500; margin-bottom: var(--space-md); }
th,td { text-align: left; padding: var(--space-md); border-bottom: 1px solid var(--color-rule); vertical-align: top; }
th { font-weight: 500; background: var(--color-paper-2); color: var(--color-ink); }
pre { white-space: pre-wrap; overflow-wrap: anywhere; background: var(--color-paper-2); color: var(--color-ink); padding: var(--space-lg); font-size: 1rem; }
code { overflow-wrap: anywhere; }
.sources { border-top: 1px solid var(--color-rule); padding-top: var(--space-xl); font-size: 1rem; }
.sources ul { padding-left: var(--space-lg); }
.sources li { margin-bottom: var(--space-sm); }
.interest { border-top: 1px solid var(--color-rule); padding-top: var(--space-2xl); }
.interest > p { color: var(--color-muted); }
.interest-form { display: grid; gap: var(--space-lg); }
.field-pair { display: grid; gap: var(--space-lg); }
label { display: grid; gap: var(--space-xs); font-size: 1rem; font-weight: 500; }
input,textarea,select { font: inherit; border: 1px solid var(--color-muted); border-radius: 0; color: var(--color-ink); background: var(--color-paper); padding: var(--space-sm); min-height: 48px; width: 100%; }
textarea { resize: vertical; min-height: 130px; }
.consent { display: flex; align-items: start; font-size: var(--text-sm); font-weight: 400; gap: var(--space-sm); }
.consent input { min-height: 20px; height: 20px; width: 20px; flex: 0 0 20px; margin-top: 4px; accent-color: var(--color-ink); }
.honeypot { display: none; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-xs); min-height: 48px; padding: var(--space-sm) var(--space-lg); border: 1px solid var(--color-ink); background: var(--color-ink); color: var(--color-paper); font: 500 1rem var(--font-body); text-decoration: none; white-space: nowrap; cursor: pointer; width: fit-content; }
.button:active { transform: translateY(1px); }
.button:disabled { opacity: .55; cursor: not-allowed; }
.form-status { min-height: 1.65em; margin: 0; font-size: 1rem; }
[data-state="error"] .form-status { color: var(--color-error); }
input:user-invalid,textarea:user-invalid { border-color: var(--color-error); }
.next-step { background: var(--color-dark); color: var(--color-paper); padding: var(--space-2xl) var(--space-edge); }
.next-step__inner { max-width: 1120px; margin: auto; display: grid; gap: var(--space-xl); align-items: center; }
.next-step h2 { font-size: clamp(1.75rem,3vw,2.5rem); max-width: 25ch; }
.next-step p { max-width: 58ch; color: var(--color-dark-muted); }
.eyebrow { font-size: var(--text-sm); text-transform: uppercase; letter-spacing: .12em; margin-bottom: var(--space-lg); }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.next-step .button { background: var(--color-accent); color: var(--color-accent-ink); border-color: var(--color-accent); }
.next-step .button--outline { background: transparent; color: var(--color-paper); border-color: var(--color-dark-muted); }
.call-note { border-left: 1px solid var(--color-dark-muted); padding-left: var(--space-lg); font-size: 1rem; }
.foot-mast { max-width: 1280px; margin: auto; padding: var(--space-xl) var(--space-edge); display: flex; flex-wrap: wrap; gap: var(--space-lg) var(--space-xl); align-items: center; font-size: var(--text-sm); }
.foot-mast nav { display: flex; flex-wrap: wrap; gap: var(--space-lg); }
.foot-mast nav a { min-height: 44px; display: inline-flex; align-items: center; white-space: nowrap; }
.queue-note { background: var(--color-accent); color: var(--color-ink); padding: var(--space-sm) var(--space-edge); font-size: var(--text-sm); }
.hub-list { list-style: none; padding: 0; max-width: 960px; }
.hub-list li { padding-block: var(--space-xl); border-top: 1px solid var(--color-rule); }
.hub-list h2 { font-size: var(--text-heading); }
.hub-list p { max-width: 65ch; }
@media (hover:hover) { .button:hover { opacity: .86; } input:hover,textarea:hover { background: var(--color-paper-2); } }
@media (min-width: 42rem) { .field-pair { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media (min-width: 64rem) { .editorial-layout { grid-template-columns: minmax(0,240px) minmax(0,760px); gap: var(--space-2xl); } .contents { position: sticky; top: var(--space-lg); max-height: calc(100dvh - 3rem); overflow-y: auto; } .next-step__inner { grid-template-columns: minmax(0,2fr) minmax(0,1fr); gap: var(--space-3xl); } }
@media (max-width: 41.99rem) { .page-intro { padding-top: var(--space-lg); } .contents ol { columns: 1; } thead { position: absolute; clip-path: inset(50%); width: 1px; height: 1px; overflow: hidden; } table,tbody,tr,td { display: block; } tr { border-bottom: 1px solid var(--color-rule); padding-block: var(--space-sm); } td { border: 0; padding: var(--space-xs) 0; } td::before { content: attr(data-label); display: block; color: var(--color-muted); font-size: var(--text-sm); font-weight: 500; } .actions { flex-direction: column; align-items: start; } }
@media (prefers-reduced-motion: reduce) { *,*::before,*::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }