/* izotoperx.net — warm editorial theme
   Paper ground, serif display, single amber accent. */

:root {
    --paper: #eff1f1;
    --paper-deep: #e5e9e9;
    --ink: #14171c;
    --muted: #5b636d;
    --rule: #d2d8da;
    --accent: #b0520f;
    --dark: #111420;
    --dark-ink: #e7e9f0;
    --dark-muted: #979eb3;
    --dark-rule: #2b3044;
    --serif: var(--gh-font-heading, "Source Serif 4", Georgia, "Times New Roman", serif);
    --sans: var(--gh-font-body, "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
    --wrap: 1120px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font: 400 16px/1.6 var(--sans);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-color: rgba(176, 82, 15, .55); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.skip {
    position: absolute; left: -9999px; top: 0; background: var(--ink); color: var(--paper);
    padding: 8px 14px; z-index: 20;
}
.skip:focus { left: 8px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 700; line-height: 1.15; margin: 0; letter-spacing: -.01em; }

/* ---------- header ---------- */
.bar { border-bottom: 1px solid var(--rule); background: var(--paper); position: relative; z-index: 10; }
.bar-in { display: flex; align-items: center; gap: 28px; min-height: 60px; }
.brand { font-family: var(--serif); font-weight: 700; font-size: 21px; text-decoration: none; }
.brand span { color: var(--muted); font-weight: 400; }
.nav { display: flex; gap: 20px; margin-left: auto; flex-wrap: wrap; }
.nav a { text-decoration: none; font-size: 14.5px; color: var(--ink); }
.nav a:hover { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 4px; }
.bar-search {
    font: 500 14px var(--sans); color: var(--muted); background: none;
    border: 1px solid var(--rule); border-radius: 999px; padding: 6px 16px; cursor: pointer;
}
.bar-search:hover { color: var(--ink); border-color: var(--muted); }
.burger { display: none; }
.nav-mobile { display: none; }

/* ---------- hero ---------- */
.hero { border-bottom: 1px solid var(--rule); }
.hero-in { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; padding: 48px 24px 48px; align-items: start; }
.hero-copy { padding-top: 14px; }
.hero-copy h1 { font-size: clamp(30px, 3.4vw, 44px); }
.hero-lead { font-family: var(--serif); font-size: 19px; line-height: 1.55; color: var(--ink); margin: 18px 0 0; }
.hero-note { color: var(--muted); font-size: 14px; margin: 14px 0 0; }
.hero-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 22px; }
.hero-actions a { font-size: 14.5px; font-weight: 600; }
.hero-primary { background: var(--ink); color: var(--paper); border: 1px solid var(--ink); border-radius: 999px; padding: 9px 17px; text-decoration: none; }
.hero-primary:hover { background: var(--accent); border-color: var(--accent); }
.hero-story-img { display: block; }
.hero-story-img img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.hero-story h2 { font-size: 24px; margin-top: 14px; }
.hero-story h2 a { text-decoration: none; }
.hero-story h2 a:hover { text-decoration: underline; text-decoration-color: var(--accent); }
.hero-story p { color: var(--muted); font-size: 15px; margin: 8px 0 0; }

/* ---------- section heads ---------- */
.sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.latest h2, .faq h2, .method h2 { font-size: 27px; }
.sec-more { font-size: 14.5px; white-space: nowrap; }

/* ---------- latest list ---------- */
.latest { padding: 40px 0 46px; }
.list { margin-top: 10px; }
.list > a {
    display: flex; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--rule);
    text-decoration: none; align-items: flex-start;
}
.list > a:last-child { border-bottom: 0; }
.list-thumb { width: 148px; height: 99px; object-fit: cover; flex: none; }
.list-body { min-width: 0; flex: 1; }
.list-row { display: flex; align-items: baseline; gap: 16px; justify-content: space-between; }
.list-title { font-family: var(--serif); font-weight: 700; font-size: 19px; line-height: 1.3; }
.list > a:hover .list-title { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 3px; }
.list-row small { color: var(--muted); font-size: 13px; white-space: nowrap; }
.list-desc { display: block; color: var(--muted); font-size: 14.5px; margin-top: 5px; max-width: 62ch; }

/* ---------- dark spotlight ---------- */
.spot { background: var(--dark); color: var(--dark-ink); }
.spot-in { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; padding: 52px 24px; align-items: center; }
.spot-kicker { font-family: var(--serif); font-style: italic; color: #c96b2c; font-size: 17px; margin: 0 0 10px; }
.spot h2 { font-size: clamp(26px, 2.8vw, 34px); color: #fff; }
.spot-copy > p:not(.spot-kicker) { color: var(--dark-muted); margin: 14px 0 0; max-width: 56ch; }
.spot-links { margin-top: 20px; }
.spot-links a {
    display: block; padding: 11px 0; border-top: 1px solid var(--dark-rule);
    color: var(--dark-ink); text-decoration: none; font-weight: 500; font-size: 15.5px;
}
.spot-links a:last-child { border-bottom: 1px solid var(--dark-rule); }
.spot-links a:hover { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 4px; }
.spot-all { display: inline-block; margin-top: 16px; color: var(--dark-ink); font-size: 14.5px; }
.spot-img { margin: 0; }
.spot-img img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.spot-img figcaption { color: var(--dark-muted); font-size: 13px; margin-top: 10px; line-height: 1.5; }

/* ---------- method ---------- */
.method { border-bottom: 1px solid var(--rule); }
.method-in { display: grid; grid-template-columns: 1fr 1.3fr; gap: 56px; padding: 46px 24px; align-items: center; }
.method-img { margin: 0; }
.method-img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.method-copy p { margin: 14px 0 0; color: var(--ink); max-width: 58ch; }
.method-copy p:last-child a { font-weight: 500; }

/* ---------- faq ---------- */
.faq { padding: 42px 0 52px; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 48px; margin-top: 6px; }
.faq h3 { font-size: 18px; margin-top: 22px; }
.faq p { color: var(--muted); font-size: 15px; margin: 8px 0 0; max-width: 60ch; }

/* ---------- footer ---------- */
.foot { background: var(--dark); color: var(--dark-muted); padding: 36px 0 28px; }
.foot-in { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.foot-brand { font-family: var(--serif); font-weight: 700; font-size: 19px; color: #fff; margin: 0; }
.foot-brand span { color: var(--dark-muted); font-weight: 400; }
.foot-line { font-size: 14px; max-width: 46ch; margin: 8px 0 0; }
.foot-links { display: flex; gap: 22px; flex-wrap: wrap; align-items: baseline; }
.foot-links a { color: var(--dark-ink); text-decoration: none; font-size: 14px; }
.foot-links a:hover { text-decoration: underline; text-decoration-color: var(--accent); }
.fine { border-top: 1px solid var(--dark-rule); margin-top: 28px; padding-top: 18px; font-size: 13.5px; }

/* ---------- archive / tag / author heads ---------- */
.arch-head { border-bottom: 1px solid var(--rule); padding: 38px 0 34px; }
.arch-head h1 { font-size: clamp(28px, 3vw, 38px); }
.arch-head p { color: var(--muted); margin: 12px 0 0; max-width: 64ch; }
.author-head { display: flex; gap: 22px; align-items: center; }
.author-photo { border-radius: 50%; }
.author-links { display: flex; gap: 18px; flex-wrap: wrap; font-size: 14px; }
.author-links span { color: var(--muted); }

/* ---------- article ---------- */
.crumbs { padding: 14px 24px 0; font-size: 13.5px; color: var(--muted); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }
.crumbs span[aria-hidden] { margin: 0 4px; }
.crumbs-plain { padding: 0 0 14px; }

.art-head { padding: 18px 0 8px; }
.art-tag { font-family: var(--serif); font-style: italic; color: var(--accent); font-size: 16px; text-decoration: none; }
.art-title { font-size: clamp(28px, 3.4vw, 42px); max-width: 22ch; margin-top: 8px; }
.art-meta { color: var(--muted); font-size: 13.5px; margin: 14px 0 0; display: flex; gap: 18px; flex-wrap: wrap; }
.art-meta b { color: var(--ink); font-weight: 600; }
.art-meta a { color: inherit; }

.qa { border-left: 3px solid var(--accent); padding: 2px 0 2px 18px; margin: 20px 0 4px; max-width: 66ch; }
.qa h2 { font-size: 15px; font-family: var(--sans); font-weight: 600; }
.qa p { margin: 6px 0 0; color: var(--ink); font-size: 15.5px; }

.art-grid { display: grid; grid-template-columns: minmax(0, 720px) 1fr; gap: 56px; padding-top: 18px; padding-bottom: 30px; }
.art-grid-page { grid-template-columns: minmax(0, 720px); }
.art-body { min-width: 0; }
.art-cover { margin: 0 0 26px; }
.art-cover img { width: 100%; }
.art-cover figcaption { color: var(--muted); font-size: 14px; margin-top: 8px; }

.art-side { padding-top: 6px; }
.toc { position: sticky; top: 24px; border-left: 1px solid var(--rule); padding-left: 18px; }
.toc-title { font-weight: 600; font-size: 13.5px; margin: 0 0 8px; }
.toc a { display: block; color: var(--muted); text-decoration: none; font-size: 13.5px; padding: 4px 0; }
.toc a:hover, .toc a.is-active { color: var(--ink); }
.toc a.is-active { font-weight: 600; }
.toc-mobile { display: none; margin: 0 0 22px; border: 1px solid var(--rule); border-radius: 4px; background: var(--paper-deep); }
.toc-mobile summary { cursor: pointer; padding: 12px 15px; font: 600 14.5px var(--sans); }
.toc-mobile nav { border-top: 1px solid var(--rule); padding: 8px 15px 12px; }
.toc-mobile a { display: block; padding: 6px 0; color: var(--muted); font: 400 14.5px/1.4 var(--sans); text-decoration: none; }
.toc-mobile a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); }

/* ---------- prose ---------- */
.prose { font-family: var(--serif); font-size: 17.5px; line-height: 1.7; }
.prose > * { margin: 0 0 1.15em; }
.prose h2 { font-size: 26px; margin: 1.6em 0 .55em; }
.prose h3 { font-size: 20px; margin: 1.4em 0 .5em; }
.prose a { text-decoration-color: rgba(176, 82, 15, .55); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: .4em; }
.prose figure { margin: 1.6em 0; }
.prose figcaption { font-family: var(--sans); color: var(--muted); font-size: 14px; margin-top: 8px; }
.prose blockquote { border-left: 3px solid var(--rule); margin: 1.4em 0; padding: 2px 0 2px 18px; color: var(--muted); }
.prose code, .prose kbd {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85em;
    background: var(--paper-deep); padding: 2px 5px; border-radius: 3px;
}
.prose pre { background: var(--dark); color: var(--dark-ink); padding: 16px 18px; overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose table { border-collapse: collapse; width: 100%; max-width: 100%; overflow-x: auto; display: block; font-family: var(--sans); font-size: 14.5px; }
.prose th, .prose td { text-align: left; padding: 9px 14px 9px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.prose th { font-weight: 600; }
.prose hr { border: 0; border-top: 1px solid var(--rule); margin: 2em 0; }
.prose img { width: 100%; }

/* Koenig cards */
.kg-width-wide { margin-left: -60px; margin-right: -60px; max-width: none; }
.kg-width-full { margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw); max-width: none; }
.kg-gallery-container { display: flex; flex-direction: column; gap: 8px; }
.kg-gallery-row { display: flex; gap: 8px; }
.kg-gallery-image { flex: 1 1 0; min-width: 0; }
.kg-gallery-image img { width: 100%; height: 100%; object-fit: cover; }
.kg-callout-card { display: flex; gap: 12px; border-left: 3px solid var(--accent); background: var(--paper-deep); padding: 14px 18px; font-family: var(--sans); font-size: 15px; }
.kg-bookmark-card { width: 100%; }
.kg-bookmark-container { display: flex; gap: 16px; border: 1px solid var(--rule); padding: 14px 18px; text-decoration: none; font-family: var(--sans); color: inherit; }
.kg-bookmark-content { display: flex; flex-direction: column; flex-grow: 1; min-width: 0; }
.kg-bookmark-title { font-weight: 600; font-size: 15px; }
.kg-bookmark-description { color: var(--muted); font-size: 13.5px; margin-top: 4px; overflow: hidden; max-height: 40px; }
.kg-bookmark-metadata { display: flex; align-items: center; gap: 8px; margin-top: 10px; font-size: 13px; color: var(--muted); }
.kg-bookmark-icon { width: 18px; height: 18px; }
.kg-bookmark-author { font-weight: 500; }
.kg-bookmark-publisher { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kg-bookmark-thumbnail { flex: none; width: 160px; }
.kg-bookmark-thumbnail img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- hub pages ---------- */
.hub-intro { padding-top: 26px; padding-bottom: 6px; }
.hub-intro .prose { max-width: 720px; font-size: 17px; }
.hub-list { border-top: 1px solid var(--rule); padding: 30px 0 48px; margin-top: 26px; }
.hub-list h2 { font-size: 24px; }

/* ---------- related ---------- */
.related { border-top: 1px solid var(--rule); padding: 36px 0 48px; }
.related h2 { font-size: 24px; }

/* ---------- pagination ---------- */
.pagination { display: flex; justify-content: space-between; padding: 26px 0 0; font-size: 14.5px; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
    .art-grid { grid-template-columns: minmax(0, 1fr); gap: 0; }
    .art-side { display: none; }
    .toc-mobile { display: block; }
    .kg-width-wide { margin-left: 0; margin-right: 0; }
}

@media (max-width: 860px) {
    .hero-in, .spot-in, .method-in { grid-template-columns: 1fr; gap: 28px; }
    .method-img { order: 2; }
    .faq-grid { grid-template-columns: 1fr; }
    .nav, .bar .bar-search { display: none; }
    .burger {
        display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
        width: 48px; height: 48px; gap: 4px; margin-left: auto;
        background: none; border: 0; padding: 0; cursor: pointer;
    }
    .burger span { width: 20px; height: 2px; background: var(--ink); display: block; }
    .nav-mobile {
        display: none; flex-direction: column; gap: 2px; padding: 8px 24px 18px;
        border-top: 1px solid var(--rule);
    }
    .nav-mobile.open { display: flex; }
    .nav-mobile a { text-decoration: none; padding: 9px 0; font-size: 16px; border-bottom: 1px solid var(--rule); }
    .nav-mobile.open .bar-search { display: block; margin-top: 12px; align-self: flex-start; min-height: 44px; }
}

@media (max-width: 560px) {
    .list > a { gap: 14px; }
    .list-thumb { width: 104px; height: 70px; }
    .list-row { flex-direction: column; gap: 3px; }
    .list-title { font-size: 17px; }
    .hero-in { padding-top: 30px; padding-bottom: 34px; }
}