/* Margin — Issue 14 "Low Water"
   System fonts only. No remote assets. Reading modes via [data-reading-mode]. */

:root {
  --paper: #faf7f0;
  --paper-2: #f1ebdd;
  --ink: #1b1813;
  --ink-soft: #4a4438;
  --rule: #1b1813;
  --rule-soft: #c9c0ae;
  --accent: #8c2f1b;
  --accent-ink: #6d2314;
  --field: #fffdf8;
  --ok: #1e5c3a;
  --err: #8c2f1b;
  --serif: Georgia, "Times New Roman", "Hiragana Mincho ProN", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "Hiragana Sans", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

html[data-reading-mode="sepia"] {
  --paper: #f3e8d3;
  --paper-2: #e9dabd;
  --ink: #33291a;
  --ink-soft: #5c4f38;
  --rule: #33291a;
  --rule-soft: #b3a180;
  --accent: #7a2a12;
  --accent-ink: #5f200d;
  --field: #faf3e2;
}

html[data-reading-mode="ink"] {
  --paper: #14120e;
  --paper-2: #201c15;
  --ink: #f0e9d8;
  --ink-soft: #bfb49c;
  --rule: #f0e9d8;
  --rule-soft: #4d4636;
  --accent: #e08a63;
  --accent-ink: #f2b28c;
  --field: #1d1a14;
  --ok: #7fc79b;
  --err: #f0937d;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .25s ease, color .25s ease;
}

h1, h2, h3, blockquote, .wordmark { font-family: var(--serif); font-weight: 400; }
em { font-style: italic; }
a { color: inherit; }

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 50;
  background: var(--ink); color: var(--paper);
  padding: .6rem 1rem; font-size: .9rem; text-decoration: none;
}
.skip-link:focus { top: 1rem; }

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

/* ---- Masthead ---- */
.masthead { max-width: 72rem; margin: 0 auto; padding: 0 1.25rem; }
.masthead-top {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: .8rem 0; border-bottom: 1px solid var(--rule-soft);
  font-size: .8rem; letter-spacing: .04em; color: var(--ink-soft);
}
.masthead-est { margin: 0; font-family: var(--mono); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }
.dot { margin: 0 .5em; }
.reading-mode { display: flex; align-items: center; gap: .6rem; }
.reading-mode-label { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; }
.reading-mode-btns { display: flex; border: 1px solid var(--rule); }
.reading-mode-btns button {
  appearance: none; border: 0; border-right: 1px solid var(--rule);
  background: transparent; color: var(--ink);
  font: inherit; font-size: .78rem; padding: .35rem .7rem; cursor: pointer;
}
.reading-mode-btns button:last-child { border-right: 0; }
.reading-mode-btns button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

.masthead-main {
  display: grid; grid-template-columns: auto 1fr auto; gap: 1rem 2rem;
  align-items: baseline; padding: 1.1rem 0 .9rem;
}
.wordmark {
  font-size: clamp(2.6rem, 6vw, 4.2rem); line-height: .95; letter-spacing: -0.02em;
  text-decoration: none;
}
.tagline { margin: 0; font-family: var(--serif); font-style: italic; font-size: .95rem; color: var(--ink-soft); line-height: 1.35; }
.masthead-nav { display: flex; gap: 1.25rem; font-size: .85rem; letter-spacing: .06em; text-transform: uppercase; }
.masthead-nav a { text-decoration: none; border-bottom: 1px solid transparent; padding-bottom: 2px; }
.masthead-nav a:hover { border-color: var(--accent); color: var(--accent-ink); }
html[data-reading-mode="ink"] .masthead-nav a:hover { color: var(--accent); }

.masthead-rule { border-top: 3px solid var(--rule); border-bottom: 1px solid var(--rule); height: 6px; }
.masthead-folio {
  display: flex; gap: .6rem; align-items: baseline;
  font-family: var(--mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em;
  padding: .55rem 0 0; color: var(--ink-soft);
}
.masthead-folio em { font-family: var(--serif); text-transform: none; letter-spacing: 0; font-size: .95rem; }
.folio-right { margin-left: auto; }

/* ---- Cover ---- */
main { max-width: 72rem; margin: 0 auto; padding: 0 1.25rem; }
.cover { padding: 2.5rem 0 3rem; border-bottom: 1px solid var(--rule); position: relative; }
.cover-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 3rem; align-items: start; }
.kicker {
  font-family: var(--mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .1em;
  color: var(--accent-ink); margin: 0 0 1rem;
  display: flex; align-items: center; gap: .7rem; flex-wrap: wrap;
}
html[data-reading-mode="ink"] .kicker { color: var(--accent); }
.kicker-no { border: 1px solid var(--accent); padding: .15rem .5rem; font-size: .72rem; }
.cover h1 {
  font-size: clamp(3rem, 7.5vw, 5.6rem); line-height: .98; letter-spacing: -0.025em;
  margin: 0 0 1rem; max-width: 10ch;
}
.cover h1 em { color: var(--accent-ink); }
html[data-reading-mode="ink"] .cover h1 em { color: var(--accent); }
.byline { font-family: var(--serif); font-style: italic; font-size: 1.1rem; margin: 0 0 1rem; }
.dek { font-size: 1.15rem; line-height: 1.55; max-width: 46ch; margin: 0 0 1.6rem; color: var(--ink); }
.cover-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-bottom: 1.8rem; }
.btn {
  font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
  padding: .8rem 1.3rem; border: 1px solid var(--rule); display: inline-block;
}
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
html[data-reading-mode="ink"] .btn-solid:hover { color: #14120e; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-ink); }
html[data-reading-mode="ink"] .btn-ghost:hover { color: var(--accent); }

.cover-meta { display: flex; gap: 2rem; margin: 0; border-top: 1px solid var(--rule-soft); padding-top: 1rem; flex-wrap: wrap; }
.cover-meta div { margin: 0; }
.cover-meta dt { font-family: var(--mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-soft); }
.cover-meta dd { margin: .1rem 0 0; font-family: var(--serif); font-size: 1rem; }

.cover-art { margin: 0; border: 1px solid var(--rule); background: var(--paper-2); color: var(--ink); }
.contours { display: block; width: 100%; height: auto; padding: 1rem; }
.cover-art figcaption {
  border-top: 1px solid var(--rule); padding: .6rem .9rem;
  font-size: .8rem; color: var(--ink-soft);
}
.cap-credit { font-style: italic; }
.margin-note {
  writing-mode: vertical-rl; position: absolute; right: -0.4rem; top: 3rem;
  font-family: var(--mono); font-size: .68rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--ink-soft); margin: 0;
}

/* ---- Sections ---- */
.section-no {
  font-family: var(--mono); font-size: .75rem; letter-spacing: .15em; color: var(--accent-ink);
  margin: 0 0 .3rem;
}
html[data-reading-mode="ink"] .section-no { color: var(--accent); }
.section-head h2, .excerpt-label h2, .subscribe-offer h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem); line-height: 1.05; letter-spacing: -0.015em; margin: 0 0 .5rem;
}
.section-sub { color: var(--ink-soft); font-family: var(--serif); font-style: italic; margin: 0; }

.excerpt { padding: 3rem 0; border-bottom: 1px solid var(--rule); }
.excerpt-grid { display: grid; grid-template-columns: 3fr 7fr; gap: 3rem; }
.excerpt-by { font-family: var(--mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); }
.excerpt-body { max-width: 62ch; }
.excerpt-body p { margin: 0 0 1.1rem; }
.dropcap::first-letter {
  font-family: var(--serif); font-size: 3.6em; float: left; line-height: .85;
  padding: .05em .12em 0 0; color: var(--accent-ink);
}
html[data-reading-mode="ink"] .dropcap::first-letter { color: var(--accent); }
.excerpt blockquote {
  margin: 1.6rem 0; padding: .4rem 0 .4rem 1.4rem; border-left: 3px solid var(--accent);
}
.excerpt blockquote p { font-family: var(--serif); font-style: italic; font-size: 1.5rem; line-height: 1.3; margin: 0; }
.continued a { color: var(--accent-ink); font-weight: 600; }
html[data-reading-mode="ink"] .continued a { color: var(--accent); }

.contents { padding: 3rem 0; border-bottom: 1px solid var(--rule); }
.contents .section-head { margin-bottom: 1.5rem; max-width: 60ch; }
.story-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--rule); }
.story-list > li { border-right: 1px solid var(--rule-soft); padding: 1.5rem 1.5rem 1.2rem 0; }
.story-list > li + li { padding-left: 1.5rem; }
.story-list > li:last-child { border-right: 0; }
/* Asymmetric editorial offset: middle story drops lower */
.story-list > li:nth-child(2) { margin-top: 2.2rem; }
.story-folio { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); margin: 0 0 .6rem; }
.story-list h3 { font-size: 1.5rem; line-height: 1.12; margin: 0 0 .3rem; letter-spacing: -0.01em; }
.story-no { color: var(--accent-ink); margin-right: .3em; }
html[data-reading-mode="ink"] .story-no { color: var(--accent); }
.story-by { font-family: var(--serif); font-style: italic; color: var(--ink-soft); margin: 0 0 .7rem; }
.story-list article > p:nth-of-type(3) { font-size: .98rem; margin: 0 0 .8rem; }
.story-tag { font-family: var(--mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-soft); margin: 0; }

.archive { padding: 2.5rem 0; border-bottom: 1px solid var(--rule); }
.archive-head { display: flex; align-items: baseline; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 1.2rem; }
.archive-head h2 { margin-right: auto; }
.archive-all { font-size: .85rem; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-ink); }
html[data-reading-mode="ink"] .archive-all { color: var(--accent); }
.archive-strip { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--rule); }
.archive-strip li { display: flex; gap: 1rem; align-items: baseline; padding: 1rem 1.2rem; }
.archive-strip li + li { border-left: 1px solid var(--rule); }
.arch-no { font-family: var(--serif); font-style: italic; font-size: 2.4rem; line-height: 1; color: transparent; -webkit-text-stroke: 1px var(--ink); }
.archive-strip h3 { font-size: 1.05rem; margin: 0; line-height: 1.25; }
.archive-strip p { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); margin: .25rem 0 0; }

/* ---- Subscribe ---- */
.subscribe { padding: 3.5rem 0 4rem; }
.subscribe-grid { display: grid; grid-template-columns: 6fr 6fr; gap: 3rem; align-items: start; }
.offer-price { font-family: var(--serif); font-size: 1.3rem; margin: .4rem 0 1.2rem; }
.price { font-size: 2.2rem; letter-spacing: -0.02em; }
.offer-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--rule); }
.offer-list li { padding: .7rem 0 .7rem 1.6rem; border-bottom: 1px solid var(--rule-soft); position: relative; font-size: .98rem; }
.offer-list li::before { content: "—"; position: absolute; left: 0; color: var(--accent-ink); }
html[data-reading-mode="ink"] .offer-list li::before { color: var(--accent); }

.subscribe-form-wrap { border: 1px solid var(--rule); padding: 1.6rem; background: var(--paper-2); }
.subscribe-form-wrap label { display: block; font-family: var(--serif); font-size: 1.2rem; margin-bottom: .8rem; }
.field-row { display: flex; gap: 0; border: 1px solid var(--rule); background: var(--field); }
.field-row input {
  flex: 1; min-width: 0; border: 0; background: transparent; color: var(--ink);
  font: inherit; font-size: 1rem; padding: .8rem 1rem;
}
.field-row input::placeholder { color: var(--ink-soft); opacity: .7; }
.field-row button {
  border: 0; border-left: 1px solid var(--rule); background: var(--ink); color: var(--paper);
  font: inherit; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase;
  padding: 0 1.4rem; cursor: pointer; white-space: nowrap;
}
.field-row button:hover { background: var(--accent); color: #fff; }
html[data-reading-mode="ink"] .field-row button:hover { color: #14120e; }
.feedback { min-height: 1.5em; font-size: .9rem; margin: .7rem 0 0; }
.feedback.error { color: var(--err); }
.feedback.success { color: var(--ok); }
.field-row.invalid { border-color: var(--err); box-shadow: 0 0 0 1px var(--err); }
.field-row.valid { border-color: var(--ok); box-shadow: 0 0 0 1px var(--ok); }
.form-note { font-size: .82rem; color: var(--ink-soft); margin: .5rem 0 0; }

/* ---- Footer ---- */
.colophon { max-width: 72rem; margin: 0 auto; padding: 0 1.25rem 2.5rem; }
.footer-lines { display: block; width: 100%; height: 40px; color: var(--ink); opacity: .7; margin-bottom: 1rem; }
.colophon-grid { display: grid; grid-template-columns: 1fr 1fr auto; gap: .5rem 2rem; font-size: .82rem; color: var(--ink-soft); border-top: 1px solid var(--rule); padding-top: 1rem; }
.colophon-grid p { margin: 0; }
.colophon-mark { font-family: var(--serif); font-size: 1.05rem; color: var(--ink); }
.colophon-mark span { font-style: italic; color: var(--ink-soft); font-size: .9rem; }

/* ---- Responsive ---- */
@media (max-width: 60rem) {
  .margin-note { display: none; }
  .cover-grid { grid-template-columns: 1fr; gap: 2rem; }
  .cover-art { max-width: 34rem; }
  .excerpt-grid { grid-template-columns: 1fr; gap: 1.2rem; }
  .subscribe-grid { grid-template-columns: 1fr; gap: 2rem; }
  .colophon-grid { grid-template-columns: 1fr; }
}

@media (max-width: 40rem) {
  body { font-size: 1rem; }
  .masthead, main, .colophon { padding-left: 1rem; padding-right: 1rem; }
  .masthead-main { grid-template-columns: 1fr; gap: .4rem; }
  .masthead-nav { gap: 1rem; flex-wrap: wrap; border-top: 1px solid var(--rule-soft); padding-top: .7rem; }
  .masthead-top { flex-direction: column; align-items: flex-start; }
  .folio-right { display: none; }
  .cover { padding-top: 1.8rem; }
  .cover h1 { font-size: clamp(2.5rem, 13vw, 3.4rem); }
  .dek { font-size: 1.05rem; }
  .cover-actions .btn { flex: 1 1 auto; text-align: center; }
  /* Reading order preserved: stories stack in DOM order, offset removed */
  .story-list { grid-template-columns: 1fr; }
  .story-list > li, .story-list > li + li { border-right: 0; padding-left: 0; padding-right: 0; }
  .story-list > li { border-bottom: 1px solid var(--rule-soft); }
  .story-list > li:last-child { border-bottom: 0; }
  .story-list > li:nth-child(2) { margin-top: 0; }
  .archive-strip { grid-template-columns: 1fr; }
  .archive-strip li + li { border-left: 0; border-top: 1px solid var(--rule); }
  .field-row { flex-direction: column; }
  .field-row button { border-left: 0; border-top: 1px solid var(--rule); padding: .9rem; }
  .colophon-grid { gap: .4rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}