/* Vellumwise — editorial design system. Tokens from BRAND-KIT.md v1.0. */
:root {
  --vw-ink: #132A32;
  --vw-paper: #F6F2E9;
  --vw-gold: #B48A52;
  --vw-teal: #367A77;
  --vw-slate: #55656A;
  --vw-white: #FFFFFF;
  /* derived */
  --vw-teal-ink: #2B625F;      /* link text on paper: 5.9:1 */
  --vw-gold-ink: #7E5E32;      /* gold used as text on paper: 5.3:1 */
  --vw-line: #DDD5C4;
  --vw-paper-2: #EFE8DA;
  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --sans: 'Source Sans 3', Lato, Arial, sans-serif;
  --radius: 12px;
  --gap: 8px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--vw-paper); color: var(--vw-ink); font: 400 18px/1.65 var(--sans); }
img { max-width: 100%; height: auto; }
a { color: var(--vw-teal-ink); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--vw-ink); }
:focus-visible { outline: 3px solid var(--vw-teal); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.005em; }
h1 { font-size: clamp(2.4rem, 5.6vw, 3.6rem); }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.25rem); }
h3 { font-size: 1.4rem; }
p { margin: 0 0 1em; }
.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.narrow { max-width: 760px; }
.wrap.narrow { width: min(760px, 100% - 32px); }
.center { text-align: center; }
.section { padding: clamp(48px, 8vw, 88px) 0; }
.spaced { margin-top: 2em; }
.muted { color: var(--vw-slate); }
.small { font-size: .9rem; }
.eyebrow { font: 600 .8rem/1.4 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--vw-gold-ink); margin-bottom: .9em; }
.eyebrow a { color: inherit; }
.lede { font-size: 1.2rem; color: var(--vw-slate); max-width: 44em; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--vw-ink); color: var(--vw-paper); padding: 10px 16px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 16px; }

/* header */
.top { border-bottom: 1px solid var(--vw-line); background: var(--vw-paper); position: sticky; top: 0; z-index: 5; }
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--vw-ink); text-decoration: none; margin: 0; }
.brand-name { font: 600 1.75rem/1 var(--serif); letter-spacing: .01em; }
.desktop-nav { display: flex; gap: 28px; }
.desktop-nav a, .mobile-menu nav a { color: var(--vw-ink); text-decoration: none; font-weight: 600; font-size: 1rem; padding: 10px 0; }
.desktop-nav a:hover, .desktop-nav a[aria-current] { color: var(--vw-teal-ink); box-shadow: inset 0 -2px var(--vw-gold); }
.mobile-menu { display: none; position: relative; }
.mobile-menu summary { list-style: none; cursor: pointer; font-weight: 600; padding: 10px 16px; min-height: 44px; border: 1px solid var(--vw-line); border-radius: 999px; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu nav { position: absolute; right: 0; top: calc(100% + 8px); background: var(--vw-white); border: 1px solid var(--vw-line); border-radius: var(--radius); padding: 8px 20px; display: grid; min-width: 220px; box-shadow: 0 12px 32px rgb(19 42 50 / .12); }
.mobile-menu nav a { padding: 12px 0; border-bottom: 1px solid var(--vw-line); }
.mobile-menu nav a:last-child { border: 0; }
@media (max-width: 860px) { .desktop-nav { display: none; } .mobile-menu { display: block; } }

/* buttons, chips, badges */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 24px; border-radius: 999px; background: var(--vw-ink); color: var(--vw-paper); border: 1px solid var(--vw-ink); font: 600 1rem/1.2 var(--sans); text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--vw-teal-ink); border-color: var(--vw-teal-ink); color: var(--vw-white); }
.btn.secondary { background: transparent; color: var(--vw-ink); border-color: var(--vw-ink); }
.btn.secondary:hover { background: var(--vw-ink); color: var(--vw-paper); }
.btn:disabled { opacity: .55; cursor: wait; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.5em; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; min-height: 40px; padding: 6px 14px; border: 1px solid var(--vw-line); border-radius: 999px; background: var(--vw-white); color: var(--vw-ink); text-decoration: none; font-size: .95rem; }
.chip:hover { border-color: var(--vw-teal); color: var(--vw-teal-ink); }
.badges { margin: 0 0 .6em; display: flex; flex-wrap: wrap; gap: 6px; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font: 600 .75rem/1.5 var(--sans); letter-spacing: .06em; text-transform: uppercase; border: 1px solid currentColor; }
.badge-available { color: var(--vw-white); background: var(--vw-teal-ink); border-color: var(--vw-teal-ink); }
.badge-written, .badge-writing { color: var(--vw-gold-ink); }
.badge-planned { color: var(--vw-slate); }

/* hero */
.hero { background: var(--vw-ink); color: var(--vw-paper); padding: clamp(64px, 11vw, 128px) 0; position: relative; overflow: hidden; }
.hero::after { content: ''; position: absolute; inset: auto 0 0 0; height: 1px; background: linear-gradient(90deg, transparent, var(--vw-gold), transparent); }
.hero-inner { max-width: 880px; }
.hero h1 { font-size: clamp(2.8rem, 7vw, 4.5rem); color: var(--vw-paper); }
.hero .lede { color: #D8D3C7; font-size: clamp(1.15rem, 2vw, 1.35rem); }
.hero .eyebrow { color: var(--vw-gold); }
.hero .btn { background: var(--vw-paper); color: var(--vw-ink); border-color: var(--vw-paper); }
.hero .btn:hover { background: var(--vw-gold); border-color: var(--vw-gold); color: var(--vw-ink); }
.hero .btn.secondary { background: transparent; color: var(--vw-paper); border-color: rgb(246 242 233 / .6); }
.hero .btn.secondary:hover { border-color: var(--vw-gold); color: var(--vw-gold); }
.page-hero { padding: clamp(48px, 8vw, 80px) 0 0; }
.band { background: var(--vw-ink); color: var(--vw-paper); padding: clamp(56px, 9vw, 96px) 0; }
.band h2, .band h3 { color: var(--vw-paper); }
.band p { color: #D8D3C7; }
.band.light { background: var(--vw-paper-2); color: var(--vw-ink); }
.band.light h2 { color: var(--vw-ink); }
.band.light p { color: var(--vw-slate); }
.promise h2 { max-width: 18em; }
.promise-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 32px; margin-top: 32px; }
.promise-grid article { border-top: 1px solid var(--vw-gold); padding-top: 20px; }

/* library */
.lib-tools { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px 16px; align-items: end; margin: 32px 0 12px; padding: 20px; background: var(--vw-white); border: 1px solid var(--vw-line); border-radius: var(--radius); }
.lib-tools label { display: grid; gap: 4px; font-weight: 600; font-size: .9rem; }
.lib-search { grid-column: 1 / -1; }
input, select, textarea { font: inherit; color: var(--vw-ink); background: var(--vw-white); border: 1px solid #B9B09D; border-radius: 8px; min-height: 44px; padding: 8px 12px; width: 100%; }
.lib-count { color: var(--vw-slate); margin: 0 0 20px; }
.lib-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.lib-card { background: var(--vw-white); border: 1px solid var(--vw-line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: border-color .2s, transform .2s; }
.lib-card:hover { border-color: var(--vw-gold); transform: translateY(-2px); }
.lib-card[hidden] { display: none; }
.lib-cover { display: block; }
.lib-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.lib-body h3 { font-size: 1.5rem; margin-bottom: .35em; }
.lib-body h3 a { color: var(--vw-ink); text-decoration: none; }
.lib-body h3 a:hover { color: var(--vw-teal-ink); text-decoration: underline; }
.lib-body > p { font-size: 1rem; }
.lib-meta { margin-top: auto; font-size: .9rem; }
.lib-price { font-weight: 600; }
.queue-line { font-size: .9rem; color: var(--vw-gold-ink); }
.queue-line:empty { display: none; }
.empty { border: 1px dashed #B9B09D; border-radius: var(--radius); padding: 32px; text-align: center; background: var(--vw-white); }

/* placeholder covers: branded, never presented as cover art */
.cover { display: block; width: 100%; aspect-ratio: 2 / 3; border-radius: 0; object-fit: cover; }
.cover.ph { position: relative; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; gap: 12px; padding: 12% 10%; background: var(--vw-ink); color: var(--vw-paper); overflow: hidden; }
.cover.ph::before { content: ''; position: absolute; inset: 6%; border: 1px solid rgb(180 138 82 / .55); }
.cover.small { aspect-ratio: 3 / 2; padding: 6% 10%; gap: 6px; }
.cover.small::before { inset: 5%; }
.ph-title { font: 600 clamp(1.3rem, 3vw, 2rem)/1.1 var(--serif); position: relative; }
.cover.small .ph-title { font-size: 1.35rem; }
.ph-cat { font: 600 .7rem/1.4 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--vw-gold); position: relative; }
.ph-imprint { position: absolute; bottom: 9%; font: 500 italic .95rem var(--serif); color: rgb(246 242 233 / .7); }
.cover.small .ph-imprint { display: none; }
.ph-money-economics, .ph-home-housing { background: #132A32; }
.ph-learning, .ph-arts-hobbies { background: #1F3A3E; }
.ph-work-careers, .ph-entrepreneurship { background: #2A2F3A; }
.ph-health, .ph-training-sport { background: #17363A; }
.ph-law-rights, .ph-life-skills { background: #262A30; }
.ph-relationships-family, .ph-mind-behaviour { background: #2B2A33; }
.ph-migration { background: #1D3340; }

/* series page */
.series-hero { padding: clamp(40px, 6vw, 72px) 0 32px; border-bottom: 1px solid var(--vw-line); }
.series-head { display: grid; grid-template-columns: minmax(200px, 300px) 1fr; gap: clamp(24px, 5vw, 56px); align-items: center; }
.hero-cover { border-radius: 6px; box-shadow: 0 20px 48px rgb(19 42 50 / .22); }
.crumbs { font-size: .9rem; margin-bottom: 1em; color: var(--vw-slate); }
@media (max-width: 720px) { .series-head { grid-template-columns: 1fr; } .series-head .hero-cover { max-width: 240px; } }
.cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 380px); gap: clamp(32px, 5vw, 64px); align-items: start; }
@media (max-width: 960px) { .cols { grid-template-columns: 1fr; } }
.prose h2 { margin-top: 1.6em; font-size: 1.9rem; }
.prose h2:first-child { margin-top: 0; }
.side { display: grid; gap: 20px; position: sticky; top: 96px; }
@media (max-width: 960px) { .side { position: static; } }
.council { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.council article { background: var(--vw-white); border: 1px solid var(--vw-line); border-left: 3px solid var(--vw-gold); border-radius: 8px; padding: 16px 18px; }
.council h3 { font-size: 1.3rem; margin-bottom: .1em; }
.council .role { font-size: .85rem; letter-spacing: .06em; text-transform: uppercase; color: var(--vw-gold-ink); font-weight: 600; margin-bottom: .5em; }
.council p:last-child { margin: 0; font-size: 1rem; }
.ticks { padding-left: 0; list-style: none; }
.ticks li { position: relative; padding-left: 1.6em; margin-bottom: .55em; }
.ticks li::before { content: ''; position: absolute; left: 0; top: .62em; width: .7em; height: 1px; background: var(--vw-gold); }
.steps { padding-left: 1.3em; }
.steps li { margin-bottom: .8em; }
.books { list-style: none; padding: 0; border-top: 1px solid var(--vw-line); }
.books li { display: flex; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--vw-line); }
.books .num { font: 600 1.2rem var(--serif); color: var(--vw-gold-ink); min-width: 1.5em; }
.start { font-style: normal; font-size: .8rem; color: var(--vw-teal-ink); font-weight: 600; margin-left: 6px; }
.notice { border: 1px solid var(--vw-line); border-left: 4px solid var(--vw-teal); background: var(--vw-white); padding: 14px 18px; border-radius: 8px; margin: 1.5em 0; font-size: 1rem; }
.panel { background: var(--vw-white); border: 1px solid var(--vw-line); border-radius: var(--radius); padding: 22px 24px; }
.panel h2 { font-size: 1.6rem; }
.panel form { display: grid; gap: 12px; }
.field { display: grid; gap: 4px; font-weight: 600; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 1rem; min-height: 44px; }
.check input { width: 22px; min-height: 22px; height: 22px; margin-top: 3px; flex: none; accent-color: var(--vw-teal); }
.form-status:empty { display: none; }
.form-status { font-weight: 600; color: var(--vw-teal-ink); }
.buy-panel { border-color: var(--vw-gold); }
.buy-price { font: 600 2.6rem/1 var(--serif); margin: .2em 0 .5em; }
.buy-btn { width: 100%; margin: 8px 0 12px; }
.made-note { background: var(--vw-paper); padding: 12px 14px; border-radius: 8px; font-size: .92rem; margin-bottom: 12px; }
.made-note h3 { font: 600 .95rem var(--sans); margin-bottom: .3em; }
.share-row { display: flex; flex-wrap: wrap; gap: 8px; }
.licence-text { white-space: pre-wrap; font: .9rem/1.6 ui-monospace, Consolas, monospace; background: var(--vw-white); border: 1px solid var(--vw-line); border-radius: 8px; padding: 20px; overflow-x: auto; }
.faq details { border-bottom: 1px solid var(--vw-line); padding: 6px 0; }
.faq summary { cursor: pointer; font: 600 1.35rem/1.3 var(--serif); padding: 12px 0; min-height: 44px; }
.interest-card { margin-bottom: 16px; }

/* footer */
.foot { background: var(--vw-ink); color: #D8D3C7; padding: 56px 0 40px; margin-top: 0; }
.foot .brand { color: var(--vw-paper); }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 40px; }
.foot-tag { font: 500 italic 1.2rem var(--serif); color: var(--vw-gold); margin: .6em 0; }
.foot-statement { max-width: 34em; font-size: .95rem; }
.foot-small { font-size: .85rem; }
.foot a { color: var(--vw-paper); }
.foot-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 24px; align-content: start; }
.foot-links a { text-decoration: none; padding: 8px 0; font-size: .95rem; }
.foot-links a:hover { text-decoration: underline; color: var(--vw-gold); }
@media (max-width: 720px) { .foot-grid { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }
@media print { .top, .foot, .side, .lib-tools { display: none; } body { background: #fff; } }
.subject-list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.subject-list li { background: var(--vw-white); border: 1px solid var(--vw-line); border-top: 2px solid var(--vw-gold); border-radius: 8px; padding: 16px 18px; display: grid; gap: 4px; font-size: 1rem; }
.subject-list strong { font: 600 1.3rem/1.2 var(--serif); }
.subject-list span { color: var(--vw-slate); }
.brand-logo { height: 64px; width: auto; display: block; margin-block: 4px; }
@media (max-width: 420px) { .brand-logo { height: 54px; } }
.foot .brand-logo { height: 76px; margin-left: -12px; }
.ph-mark { width: 26%; max-width: 88px; height: auto; position: relative; }
.cover.small .ph-mark { width: 14%; }