/* ===========================================================
   Margin — No. 14, "Low Water"
   A small stylesheet for a quarterly journal.
   No remote assets, no external fonts, no frameworks.
   =========================================================== */

:root {
  /* ---------- Type scale (perfect fourth) ---------- */
  --step--2: 0.75rem;     /* 12 */
  --step--1: 0.875rem;    /* 14 */
  --step-0:  1rem;        /* 16 */
  --step-1:  1.25rem;     /* 20 */
  --step-2:  1.563rem;    /* 25 */
  --step-3:  1.953rem;    /* 31 */
  --step-4:  2.441rem;    /* 39 */
  --step-5:  3.052rem;    /* 49 */
  --step-6:  3.815rem;    /* 61 */
  --step-7:  4.768rem;    /* 76 */
  --step-8:  5.96rem;     /* 95 */

  /* ---------- Spacing ---------- */
  --gap-xs:  0.5rem;
  --gap-s:   0.75rem;
  --gap-m:   1.25rem;
  --gap-l:   2rem;
  --gap-xl:  3rem;
  --gap-2xl: 4.5rem;
  --gap-3xl: 6.5rem;

  /* ---------- Layout ---------- */
  --max-width: 78rem;
  --gutter:   1.5rem;
  --measure:  62ch;

  /* ---------- Paper mode (default) ---------- */
  --bg:        #f1ead6;
  --bg-soft:   #e7ddc2;
  --bg-soft-2: #ddd0ab;
  --ink:       #1a1612;
  --ink-soft:  #5a4f3a;
  --ink-faint: #8a7a5a;
  --rule:      #1a1612;
  --rule-soft: #a89a78;
  --accent:    #8c3a1f;
  --tint:      #c9a468;

  /* ---------- Type stacks ---------- */
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, "Charter", "Sitka Text", Georgia, "Times New Roman", serif;
  --sans:  -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", "Arial Nova", Arial, sans-serif;
  --mono:  ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

/* Sepia */
[data-theme="sepia"] {
  --bg:        #ede0bd;
  --bg-soft:   #e3d3a8;
  --bg-soft-2: #d8c592;
  --ink:       #2c1f0c;
  --ink-soft:  #5a4322;
  --ink-faint: #8a7548;
  --rule:      #2c1f0c;
  --rule-soft: #a08c5a;
  --accent:    #6f2810;
  --tint:      #b58a3a;
}

/* Ink (dark reading mode) */
[data-theme="ink"] {
  --bg:        #14110d;
  --bg-soft:   #1d1813;
  --bg-soft-2: #251e17;
  --ink:       #ece2c8;
  --ink-soft:  #b3a587;
  --ink-faint: #7a6e54;
  --rule:      #ece2c8;
  --rule-soft: #5a4f3a;
  --accent:    #d8804a;
  --tint:      #2c2316;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--serif);
  font-size: var(--step-0);
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  font-feature-settings: "kern" 1, "liga" 1, "onum" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 320ms ease, color 320ms ease;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; cursor: pointer; }
input, textarea { font: inherit; }
ul, ol { padding: 0; margin: 0; list-style: none; }
a { color: var(--ink); }

/* ---------- Focus ---------- */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0.75rem;
  background: var(--ink);
  color: var(--bg);
  padding: 0.5rem 0.875rem;
  font-family: var(--sans);
  font-size: var(--step--1);
  text-decoration: none;
  z-index: 100;
  letter-spacing: 0.04em;
  border: 1px solid var(--ink);
}
.skip-link:focus { top: 0.75rem; }

/* ---------- Typography primitives ---------- */
.kicker {
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0;
  font-weight: 500;
}

h1, h2, h3, h4, h5 {
  font-family: var(--serif);
  font-weight: 400;
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

/* ---------- Masthead ---------- */
.masthead {
  padding: var(--gap-m) var(--gutter) var(--gap-s);
  position: relative;
}

.masthead-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--gap-s);
  max-width: var(--max-width);
  margin: 0 auto;
}
.masthead-issn { color: var(--ink-faint); }

.masthead-head {
  max-width: var(--max-width);
  margin: var(--gap-l) auto 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-m);
  align-items: end;
}
@media (min-width: 50rem) {
  .masthead-head {
    grid-template-columns: 1.35fr 1fr;
    gap: var(--gap-xl);
  }
}

.wordmark {
  font-family: var(--serif);
  font-size: clamp(3.75rem, 12vw, 7.5rem);
  line-height: 0.85;
  letter-spacing: -0.045em;
  margin: 0;
  font-weight: 400;
  color: var(--ink);
  /* a touch of optical balance */
  padding-left: -0.05em;
}

.strapline {
  font-family: var(--serif);
  font-style: italic;
  font-size: var(--step-1);
  line-height: 1.4;
  color: var(--ink-soft);
  max-width: 38ch;
  margin: 0;
}

.masthead-bar {
  max-width: var(--max-width);
  margin: var(--gap-l) auto 0;
  padding: var(--gap-s) 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-m) var(--gap-l);
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.issue-plate {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.issue-plate-theme {
  color: var(--accent);
  font-weight: 600;
}
.issue-plate-sep { color: var(--ink-faint); }

.primary-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  font-family: var(--sans);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 500;
}
.primary-nav a {
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}
.primary-nav a:hover,
.primary-nav a:focus-visible {
  border-bottom-color: var(--accent);
  color: var(--accent);
}

/* ---------- Hero / Cover ---------- */
.hero {
  padding: var(--gap-l) var(--gutter) var(--gap-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-art {
  width: 100%;
  margin: 0 0 var(--gap-xl);
  color: var(--ink);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: var(--gap-s) 0;
  background: var(--bg-soft);
  position: relative;
}
.hero-art::after {
  /* an editorial credit to the right of the artwork */
  content: "Fig. i — River stage, autumn readings.";
  position: absolute;
  right: var(--gutter);
  bottom: -1.6rem;
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.waterline {
  width: 100%;
  height: auto;
  aspect-ratio: 720 / 200;
  color: var(--ink);
  display: block;
}

.hero-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-l);
  padding-top: var(--gap-m);
}
@media (min-width: 50rem) {
  .hero-body {
    grid-template-columns: 11rem minmax(0, 1fr) 13rem;
    grid-template-areas:
      "kicker text   meta"
      ".       byline .";
    gap: var(--gap-l) var(--gap-xl);
    align-items: start;
  }
  .hero-kicker   { grid-area: kicker; }
  .hero-text     { grid-area: text; }
  .cover-byline  { grid-area: meta; }
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-top: 0.4rem;
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
  margin: 0;
}
.hero-kicker .dot {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: var(--gap-m);
}

.cover-title {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 7.2vw, 5.4rem);
  line-height: 0.96;
  letter-spacing: -0.025em;
  font-weight: 400;
  font-style: italic;
  margin: 0;
  max-width: 18ch;
  color: var(--ink);
  text-wrap: balance;
}

.cover-dek {
  font-family: var(--serif);
  font-size: var(--step-2);
  line-height: 1.45;
  max-width: 40ch;
  color: var(--ink);
  margin: 0;
  text-wrap: pretty;
}

.dropcap {
  float: left;
  font-family: var(--serif);
  font-size: 4.4em;
  line-height: 0.82;
  font-weight: 400;
  font-style: normal;
  padding: 0.08em 0.12em 0 0;
  margin: 0;
  color: var(--accent);
}

.cover-byline {
  font-family: var(--sans);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  margin: 0;
  border-top: 1px solid var(--rule);
  padding-top: var(--gap-s);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.byline-prelude { color: var(--ink-faint); }
.byline-name {
  color: var(--ink);
  font-weight: 600;
  display: block;
  font-size: var(--step-0);
  letter-spacing: 0.18em;
  margin-top: 0.2rem;
}
.byline-meta {
  color: var(--ink-faint);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  margin-top: 0.2rem;
  font-style: normal;
}

@media (min-width: 50rem) {
  .cover-byline { border-top: 0; padding-top: 0.4rem; }
}

/* ---------- Section heads ---------- */
.section-head {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--gap-2xl) var(--gutter) var(--gap-l);
  position: relative;
}
.section-head::before {
  content: "";
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  top: calc(var(--gap-2xl) - 1px);
  height: 1px;
  background: var(--rule);
  opacity: 0.35;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
  font-weight: 400;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}
.section-num {
  font-family: var(--mono);
  font-size: 0.62em;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  text-transform: uppercase;
  font-weight: 500;
  font-feature-settings: "tnum" 1;
}
.section-name { font-style: italic; }
.section-sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: var(--step-1);
  color: var(--ink-soft);
  max-width: 56ch;
  margin: var(--gap-s) 0 0;
}

/* ---------- Contents / story list ---------- */
.contents { border-bottom: 1px solid var(--rule); }

.story-list {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter) var(--gap-2xl);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 50rem) {
  .story-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

.story {
  padding: var(--gap-l) 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: var(--gap-s);
  position: relative;
}
@media (min-width: 50rem) {
  .story {
    padding: var(--gap-l) var(--gap-m);
    border-top: 0;
    border-left: 1px solid var(--rule);
  }
  .story:first-child {
    border-left: 0;
    padding-left: 0;
  }
  .story:last-child {
    padding-right: 0;
  }
}

.story-kicker {
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
  font-weight: 500;
}

.story-title {
  font-family: var(--serif);
  font-style: italic;
  font-size: var(--step-3);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0;
  font-weight: 400;
  text-wrap: balance;
  max-width: 14ch;
}

.story-dek {
  font-family: var(--serif);
  font-size: var(--step-0);
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0;
  max-width: 36ch;
}

.story-byline {
  font-family: var(--sans);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink);
  margin: 0;
  font-weight: 500;
  border-top: 1px solid var(--rule-soft);
  padding-top: 0.65rem;
}

/* ---------- Archive ---------- */
.archive { border-bottom: 1px solid var(--rule); }

.archive-strip {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter) var(--gap-2xl);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 50rem) {
  .archive-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

.archive-item {
  display: grid;
  grid-template-columns: 6rem 1fr;
  grid-template-rows: auto auto;
  gap: 0.35rem 1.25rem;
  padding: var(--gap-l) 0;
  border-top: 1px solid var(--rule-soft);
  align-items: baseline;
  position: relative;
}
.archive-item:first-child { border-top: 1px solid var(--rule); }
@media (min-width: 50rem) {
  .archive-item {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: 0.5rem;
    padding: var(--gap-l) var(--gap-m);
    border-top: 0;
    border-left: 1px solid var(--rule);
  }
  .archive-item:first-child {
    border-left: 0;
    padding-left: 0;
  }
  .archive-item:last-child {
    padding-right: 0;
  }
}

.archive-no {
  font-family: var(--mono);
  font-size: var(--step-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: center;
}
.archive-season {
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  grid-column: 2;
  grid-row: 1;
}
.archive-title {
  font-family: var(--serif);
  font-style: italic;
  font-size: var(--step-2);
  line-height: 1.15;
  color: var(--ink);
  grid-column: 2;
  grid-row: 2;
}
@media (min-width: 50rem) {
  .archive-no {
    grid-column: 1;
    grid-row: 1;
  }
  .archive-season {
    grid-column: 1;
    grid-row: 2;
  }
  .archive-title {
    grid-column: 1;
    grid-row: 3;
    font-size: var(--step-3);
  }
}

/* ---------- Subscribe ---------- */
.subscribe {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--rule);
}

.subscribe-frame {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.subscribe-head {
  padding-top: var(--gap-2xl);
}
.subscribe-sub {
  max-width: 52ch;
}

.terms {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 50rem) {
  .terms {
    grid-template-columns: repeat(4, 1fr);
  }
}

.term {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: var(--gap-l) 0;
  border-top: 1px solid var(--rule-soft);
}
.term:first-child { border-top: 1px solid var(--rule); }
@media (min-width: 50rem) {
  .term {
    border-top: 0;
    padding: var(--gap-l) var(--gap-m);
    border-left: 1px solid var(--rule);
  }
  .term:first-child {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--rule);
  }
}
.term dt {
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0;
}
.term dd {
  font-family: var(--serif);
  font-size: var(--step-2);
  margin: 0;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.sub-form {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--gap-xl) 0 var(--gap-3xl);
}
.sub-row {
  display: grid;
  gap: var(--gap-s);
  max-width: 38rem;
}
.sub-label {
  font-family: var(--sans);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  font-weight: 500;
}
.sub-input {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--rule);
  background: var(--bg);
  transition: border-color 160ms ease;
}
.sub-input:focus-within {
  border-color: var(--accent);
}
.sub-input.is-error {
  border-color: var(--accent);
}
.sub-input input {
  flex: 1;
  border: 0;
  background: transparent;
  padding: 0.95rem 1rem;
  font-family: var(--serif);
  font-size: var(--step-1);
  color: var(--ink);
  outline: none;
  min-width: 0;
}
.sub-input input::placeholder { color: var(--ink-faint); font-style: italic; }

.sub-submit {
  font-family: var(--sans);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 600;
  padding: 0.95rem 1.25rem;
  background: var(--ink);
  color: var(--bg);
  border: 0;
  border-top: 1px solid var(--rule);
  text-align: left;
  transition: background 160ms ease, color 160ms ease;
}
.sub-submit:hover:not(:disabled),
.sub-submit:focus-visible:not(:disabled) {
  background: var(--accent);
  color: var(--bg);
}
.sub-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}
@media (min-width: 36rem) {
  .sub-input { flex-direction: row; align-items: stretch; }
  .sub-submit {
    border-top: 0;
    border-left: 1px solid var(--rule);
    white-space: nowrap;
  }
}

.sub-feedback {
  font-family: var(--sans);
  font-size: var(--step--1);
  margin: 0;
  min-height: 1.25em;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.sub-feedback.is-success {
  color: var(--ink);
}
.sub-feedback.is-error {
  color: var(--accent);
}
.sub-feedback::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0;
}
.sub-feedback.is-success::before,
.sub-feedback.is-error::before { opacity: 1; }

.sub-fine {
  font-family: var(--serif);
  font-style: italic;
  font-size: var(--step--1);
  color: var(--ink-faint);
  margin: 0;
  max-width: 50ch;
  line-height: 1.5;
}

/* ---------- Colophon / Footer ---------- */
.colophon {
  padding: var(--gap-2xl) var(--gutter) var(--gap-3xl);
}
.colophon-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-xl);
}
@media (min-width: 50rem) {
  .colophon-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--gap-2xl);
  }
}

.colophon-block {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-top: 1px solid var(--rule);
  padding-top: var(--gap-m);
}
.colophon-block p { margin: 0; }
.colophon-block p + p { margin-top: 0.35rem; }
.colophon-note {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink-soft);
  font-size: var(--step-0);
  line-height: 1.45;
}

.theme-switch {
  display: flex;
  gap: 0;
  border: 1px solid var(--rule);
  align-self: flex-start;
  margin-top: 0.25rem;
}
.theme-btn {
  font-family: var(--sans);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
  padding: 0.7rem 0.95rem;
  background: transparent;
  color: var(--ink);
  border: 0;
  border-left: 1px solid var(--rule);
  transition: background 160ms ease, color 160ms ease;
}
.theme-btn:first-child { border-left: 0; }
.theme-btn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--bg);
}
.theme-btn:hover:not([aria-pressed="true"]),
.theme-btn:focus-visible:not([aria-pressed="true"]) {
  background: var(--bg-soft);
}

.copyright {
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 0.5rem !important;
}

/* ---------- Selection ---------- */
::selection {
  background: var(--accent);
  color: var(--bg);
}

/* ---------- Reduce motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Print ---------- */
@media print {
  body { background: #fff; color: #000; }
  .primary-nav, .sub-form, .theme-switch, .colophon { display: none; }
}