/* Crossed Letter: shared styles for crossedletter.com and the three title sites.
   One stylesheet; each site scopes its palette with a class on <body>.
   Typeface: IM Fell English throughout (with its small-caps cut for labels). */

/* ---------- Fonts (SIL Open Font Licence, self-hosted) ---------- */
@font-face { font-family: "Fell English"; src: url("/assets/fonts/im-fell-english-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Fell English"; src: url("/assets/fonts/im-fell-english-latin-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Fell English SC"; src: url("/assets/fonts/im-fell-english-sc-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }

/* ---------- Tokens ---------- */
:root {
  --fell: "Fell English", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --fell-sc: "Fell English SC", "Fell English", Georgia, serif;

  /* Home: azure laid writing paper, iron-gall ink, blue-black crossing ink */
  --paper: #e3e8e9;
  --ink: #2a221d;
  --ink-soft: #564d46;
  --accent: #2c4a70;
  --accent-ink: #f4f6f6;
  --rule: #a9b4b8;
  --laid: rgba(42, 34, 29, 0.035);
  --chain: rgba(42, 34, 29, 0.05);

  --step--1: 0.95rem;
  --step-0: 1.15rem;
  --step-1: 1.4rem;
  --step-2: 1.8rem;
  --step-3: clamp(2.1rem, 1.5rem + 2.6vw, 3rem);
  --step-4: clamp(2.7rem, 1.7rem + 4.6vw, 4.8rem);
  --step-5: clamp(3.3rem, 1.7rem + 7.5vw, 7.4rem);
}
body.site-packet {
  --paper: #efe6d2;
  --ink: #26211d;
  --ink-soft: #5c5046;
  --accent: #a8261c;
  --accent-ink: #fbf6ec;
  --rule: #b9a98a;
  --laid: rgba(38, 33, 29, 0.04);
  --chain: rgba(38, 33, 29, 0.055);
}
body.site-nature {
  --paper: #f6f3ec;
  --ink: #22201c;
  --ink-soft: #5a554c;
  --accent: #5b2748;
  --accent-ink: #fbf7f2;
  --rule: #c6bcae;
  --laid: transparent;
  --chain: transparent;
}
body.site-gaslight {
  --paper: #e8e2d3;
  --ink: #1d1b18;
  --ink-soft: #4a463f;
  --accent: #1d1b18;
  --accent-ink: #e8e2d3;
  --rule: #1d1b18;
  --laid: transparent;
  --chain: transparent;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--fell);
  font-size: var(--step-0);
  line-height: 1.55;
  font-synthesis: none;
  color: var(--ink);
  background-color: var(--paper);
  /* laid lines (close, horizontal) and chain lines (wide, vertical) */
  background-image:
    repeating-linear-gradient(0deg, var(--laid) 0 1px, transparent 1px 5px),
    repeating-linear-gradient(90deg, var(--chain) 0 1px, transparent 1px 96px);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
h1, h2, h3 { text-wrap: balance; margin: 0; font-weight: 400; }
p { margin: 0; }
strong, b { font-weight: 400; color: var(--ink); }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { width: 100%; max-width: 1120px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 40px); }
.label {
  font-family: var(--fell-sc);
  font-size: 1.02rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}
.stack { display: grid; gap: 1rem; }

/* ---------- Imprint bar (top of every page) ---------- */
.imprint {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem 1.5rem;
  padding-block: 1.1rem;
  border-bottom: 1px solid var(--rule);
}
.imprint a { color: var(--ink); text-decoration: none; }
.imprint-mark { font-size: 1.45rem; display: inline-flex; align-items: center; gap: 0.5rem; }
.imprint-mark svg { width: 20px; height: 20px; flex: none; }
.imprint-note { font-style: italic; color: var(--ink-soft); }

/* ---------- Buttons ---------- */
.button, .join-row button {
  font: inherit;
  font-size: 1.1rem;
  color: var(--accent-ink);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 2px;
  padding: 0.6rem 1.3rem 0.7rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.button:hover, .join-row button:hover { background: color-mix(in srgb, var(--accent) 86%, black); }
.actions { display: flex; flex-wrap: wrap; gap: 0.8rem 1.4rem; align-items: center; margin-top: 2rem; }
.actions .quiet { color: var(--ink-soft); font-style: italic; }

/* ---------- Waitlist form (shared) ---------- */
.join { padding-block: clamp(3rem, 7vw, 5.5rem); }
.join-inner { display: grid; gap: 1.4rem; max-width: 40rem; }
.join h2 { font-size: var(--step-3); line-height: 1.1; }
.join-lede { color: var(--ink-soft); }
.join-form { display: grid; gap: 1.1rem; }
.join-titles { border: 0; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.6rem 1.5rem; }
.join-titles legend { padding: 0; margin-bottom: 0.5rem; }
.join-titles label { display: inline-flex; align-items: center; gap: 0.5rem; cursor: pointer; }
.join-titles input { width: 1.05rem; height: 1.05rem; accent-color: var(--accent); margin: 0; }
.join-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.join-row input[type="email"] {
  flex: 1 1 16rem;
  min-width: 0;
  font: inherit;
  color: var(--ink);
  background: color-mix(in srgb, var(--paper) 55%, white);
  border: 1px solid var(--ink-soft);
  border-radius: 2px;
  padding: 0.6rem 0.9rem 0.7rem;
}
.join-row input[type="email"]::placeholder { color: color-mix(in srgb, var(--ink-soft) 70%, transparent); font-style: italic; }
.join-row button { flex: 0 0 auto; }
.join-row button[disabled] { opacity: 0.6; cursor: progress; }
.join-consent { font-size: var(--step--1); color: var(--ink-soft); max-width: 36em; }
.join-status { font-size: var(--step--1); min-height: 1.4em; }
.join-status[data-kind="error"] { color: #9b1c12; }
.join-check:empty { display: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.join-done { display: grid; gap: 0.4rem; padding: 1.1rem 1.3rem; border: 1px solid var(--ink-soft); background: color-mix(in srgb, var(--paper) 60%, white); }
.join-done strong { font-size: 1.3rem; }

/* ---------- Colophon (footer) ---------- */
.colophon { border-top: 1px solid var(--rule); padding-block: 1.6rem 2rem; font-size: 0.8rem; line-height: 1.5; color: var(--ink-soft); }
.colophon-grid { display: grid; gap: 1.1rem 2rem; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); }
.colophon a { color: var(--ink-soft); }
.colophon .label { font-size: 0.8rem; margin-bottom: 0.15rem; }
.colophon .imprint-mark { color: var(--ink); font-size: 1rem; text-decoration: none; }
.colophon .imprint-mark svg { width: 15px; height: 15px; }
.colophon ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.1rem; }
.colophon .stack { gap: 0.4rem; }
.legal { margin-top: 1.2rem; font-size: 0.72rem; max-width: 60em; }

/* ---------- Shared section furniture ---------- */
.section { padding-block: clamp(3rem, 7vw, 5.5rem); border-top: 1px solid var(--rule); }
.section-head { display: grid; gap: 0.6rem; margin-bottom: clamp(1.8rem, 4vw, 3rem); }
.section-head h2 { font-size: var(--step-3); line-height: 1.08; }
.two-col { display: grid; gap: 1rem 2.5rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 52rem) { .two-col { grid-template-columns: 17rem minmax(0, 1fr); } }
.two-col .body { display: grid; gap: 1rem; max-width: 34em; }
.also { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.6rem 2rem; }

/* =====================================================================
   HOME: crossedletter.com
   ===================================================================== */
.home-hero { display: grid; gap: clamp(2rem, 5vw, 4.5rem); grid-template-columns: minmax(0, 1fr); align-items: center; padding-block: clamp(2.5rem, 6vw, 5rem); }
@media (min-width: 52rem) { .home-hero { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); } }
.home-hero h1 { font-size: var(--step-4); line-height: 1.02; margin-top: 0.8rem; }
.home-hero .lede { font-size: var(--step-1); line-height: 1.45; max-width: 24em; margin-top: 1.4rem; }

/* The crossed letter */
.letter { margin: 0; display: grid; gap: 0.75rem; }
.letter-sheet {
  position: relative;
  overflow: hidden;
  max-width: 100%;
  background-color: #eef1f1;
  background-image:
    repeating-linear-gradient(0deg, rgba(42, 34, 29, 0.05) 0 1px, transparent 1px 5px),
    repeating-linear-gradient(90deg, rgba(42, 34, 29, 0.07) 0 1px, transparent 1px 64px);
  border: 1px solid #b8c3c6;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 18px 40px -28px rgba(20, 30, 40, 0.55);
  padding: 7% 7.5%;
}
.letter-across {
  font-style: italic;
  font-size: clamp(0.95rem, 0.7rem + 0.9vw, 1.2rem);
  line-height: 2.05;
  color: #3b2c21;
  text-align: justify;
  hyphens: auto;
}
.letter-across p + p { text-indent: 2em; }
.letter-crosswise {
  position: absolute;
  inset: 7% 7.5%;
  writing-mode: vertical-rl;
  font-size: clamp(1rem, 0.7rem + 1vw, 1.3rem);
  line-height: 2.8;
  color: var(--accent);
  opacity: 0.9;
  text-align: start;
  mix-blend-mode: multiply;
}
.letter-crosswise p + p { margin-right: 0.9em; }
.letter figcaption { font-size: var(--step--1); color: var(--ink-soft); }

/* Three titles */
.titles { list-style: none; margin: 0; padding: 0; display: grid; }
.title-row {
  display: grid;
  gap: 0.6rem 2.5rem;
  grid-template-columns: minmax(0, 1fr);
  padding-block: 1.8rem;
  border-top: 1px solid var(--rule);
}
.title-row:last-child { border-bottom: 1px solid var(--rule); }
@media (min-width: 52rem) { .title-row { grid-template-columns: 17rem minmax(0, 1fr) 13rem; align-items: baseline; } }
.title-name { font-size: 2.3rem; line-height: 1.05; text-decoration: none; }
.title-name.is-packet { color: #26211d; }
.title-name.is-nature { font-style: italic; color: #5b2748; }
.title-name.is-gaslight { color: #1d1b18; }
.title-body { display: grid; gap: 0.4rem; }
.title-body .promise { font-size: var(--step-1); line-height: 1.35; }
.title-body .contents { color: var(--ink-soft); }
.title-meta { display: grid; gap: 0.3rem; font-size: var(--step--1); }
.title-meta span { font-style: italic; color: var(--ink-soft); }

.name-note p + p { margin-top: 1rem; }

/* =====================================================================
   THE PACKET: packet.crossedletter.com
   ===================================================================== */
.packet-hero { display: grid; gap: 2.5rem; grid-template-columns: minmax(0, 1fr); padding-block: clamp(2.5rem, 6vw, 5rem); }
@media (min-width: 52rem) { .packet-hero { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); align-items: start; } }
.packet-dateline { font-family: var(--fell-sc); font-size: 1.15rem; letter-spacing: 0.04em; color: var(--ink-soft); }
.packet-hero h1 { font-size: var(--step-5); line-height: 0.95; margin-top: 0.8rem; }
.packet-hero .lede { font-size: var(--step-1); line-height: 1.45; margin-top: 1.4rem; max-width: 24em; }
.packet-hero .arc { margin-top: 1.4rem; display: grid; gap: 0.2rem; }
.packet-hero .arc strong { font-size: 1.55rem; line-height: 1.25; }
.packet-hero .arc .note { color: var(--ink-soft); }
.postmark { width: min(100%, 300px); aspect-ratio: 1; justify-self: center; color: var(--accent); }
@media (min-width: 52rem) { .postmark { justify-self: end; margin-top: 1.5rem; } }

/* Dispatch I sample */
.sample { display: grid; gap: 2rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 44rem) { .sample { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.sample figure { margin: 0; display: grid; gap: 0.8rem; align-content: start; }
.sample img {
  display: block;
  width: 100%;
  height: auto;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.5) inset, 0 0 0 1px rgba(60, 45, 30, 0.12), 0 22px 44px -30px rgba(40, 25, 15, 0.6);
}
.sample figcaption { color: var(--ink-soft); font-size: var(--step--1); max-width: 30em; }
.sample figcaption i { color: var(--ink); }

.envelope-list { list-style: none; margin: 0; padding: 0; display: grid; }
.envelope-list li { display: grid; gap: 0.3rem 2.5rem; grid-template-columns: minmax(0, 1fr); padding-block: 1.4rem; border-top: 1px solid var(--rule); }
.envelope-list li:last-child { border-bottom: 1px solid var(--rule); }
@media (min-width: 52rem) { .envelope-list li { grid-template-columns: 17rem minmax(0, 1fr); } }
.envelope-list h3 { font-size: 1.6rem; line-height: 1.2; }
.site-nature .envelope-list h3 { font-style: italic; }
.envelope-list p { max-width: 34em; color: var(--ink-soft); }

.extract blockquote { margin: 0; font-size: clamp(1.3rem, 1rem + 1vw, 1.7rem); line-height: 1.45; max-width: 30em; }
.extract .source { margin-top: 1rem; font-size: var(--step--1); color: var(--ink-soft); }

/* =====================================================================
   NATURE PRINTED: nature.crossedletter.com
   ===================================================================== */
.nature-hero { display: grid; gap: clamp(2rem, 5vw, 4rem); grid-template-columns: minmax(0, 1fr); padding-block: clamp(2.5rem, 6vw, 5rem); align-items: center; }
@media (min-width: 52rem) { .nature-hero { grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr); } }
.nature-hero h1 { font-size: var(--step-5); line-height: 0.98; margin-top: 0.8rem; }
.nature-hero h1 em { font-style: italic; color: var(--accent); }
.nature-hero .lede { font-size: var(--step-1); line-height: 1.45; margin-top: 1.4rem; max-width: 24em; }

.plate { margin: 0; display: grid; gap: 0.9rem; justify-items: center; }
.plate-sheet { width: min(100%, 380px); }
.plate-sheet img {
  display: block;
  width: 100%;
  height: auto;
  box-shadow: 0 0 0 1px rgba(60, 40, 30, 0.12), 0 22px 46px -30px rgba(40, 20, 30, 0.6);
}
.plate figcaption { font-size: var(--step--1); color: var(--ink-soft); text-align: center; max-width: 24rem; line-height: 1.45; }
.plate-title { display: block; font-family: var(--fell-sc); font-size: 1.05rem; letter-spacing: 0.04em; color: var(--ink); margin-bottom: 0.2rem; }
.plate-title i { font-family: var(--fell); }

.registers { display: grid; gap: 1.2rem 2rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 52rem) { .registers { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.register { display: grid; gap: 0.6rem; align-content: start; padding-top: 1rem; border-top: 1px solid var(--rule); }
.register .then { font-size: 1.25rem; line-height: 1.5; }
.register .then::first-letter { font-size: 2.7em; float: left; line-height: 0.85; padding: 0.06em 0.08em 0 0; color: var(--accent); }
.register .now { color: var(--accent); font-style: italic; }
.register .data { font-family: var(--fell-sc); letter-spacing: 0.04em; font-size: 1.1rem; }
.sources { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.3rem; }

/* =====================================================================
   GASLIGHT: gaslight.crossedletter.com
   ===================================================================== */
.site-gaslight .imprint { border-bottom-color: color-mix(in srgb, var(--ink) 35%, transparent); }
.masthead { text-align: center; padding-block: clamp(1.8rem, 4vw, 3rem) 0; }
.masthead .ears { display: flex; justify-content: space-between; gap: 1rem; font-family: var(--fell-sc); font-size: 0.95rem; letter-spacing: 0.05em; }
.masthead .ears span { max-width: 12rem; text-align: left; line-height: 1.3; }
.masthead .ears span:last-child { text-align: right; }
.masthead h1 { font-size: clamp(3.8rem, 1.5rem + 11vw, 9.5rem); line-height: 0.95; margin-block: 0.3rem 0.6rem; letter-spacing: -0.01em; }
.folio {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.3rem 1rem;
  border-top: 3px double var(--ink); border-bottom: 3px double var(--ink);
  padding-block: 0.4rem;
  font-family: var(--fell-sc); font-size: 1rem; letter-spacing: 0.06em;
}
.kicker { text-align: center; font-style: italic; font-size: clamp(1.3rem, 1rem + 1vw, 1.75rem); padding-block: 1.2rem; border-bottom: 1px solid var(--ink); }
.columns { column-count: 1; column-gap: 2.2rem; column-rule: 1px solid var(--ink); padding-block: 1.6rem 2.2rem; }
@media (min-width: 44rem) { .columns { column-count: 2; } }
@media (min-width: 64rem) { .columns { column-count: 3; } }
.columns article { break-inside: avoid-column; margin-bottom: 1.6rem; }
.columns h2 {
  font-family: var(--fell-sc); letter-spacing: 0.06em; font-size: 1.2rem; text-align: center;
  border-top: 3px double var(--ink); border-bottom: 1px solid var(--ink);
  padding-block: 0.3rem; margin-bottom: 0.7rem;
}
.columns p { text-align: justify; hyphens: auto; font-size: 1.1rem; line-height: 1.45; }
.columns p + p { text-indent: 1.4em; }
.notice { border: 2px solid var(--ink); outline: 1px solid var(--ink); outline-offset: 3px; padding: 0.9rem 1rem; margin: 0.4rem 4px 1.6rem; text-align: center; break-inside: avoid-column; }
.notice .big { font-size: 1.6rem; line-height: 1.15; display: block; margin-bottom: 0.3rem; }
.notice p { text-align: center !important; text-indent: 0 !important; }
.coupon { border: 2px dashed var(--ink); padding: clamp(1.2rem, 3vw, 2rem); position: relative; margin-top: 0.5rem; }
.coupon::before { content: "\2702"; position: absolute; top: -0.85rem; left: 1.2rem; background: var(--paper); padding-inline: 0.3rem; font-size: 1.1rem; font-family: system-ui, sans-serif; }
.coupon .join { padding-block: 0.5rem; }
.site-gaslight .join-row input[type="email"] { background: #f1ede2; }

/* =====================================================================
   PRIVACY + 404
   ===================================================================== */
.doc { padding-block: clamp(2.5rem, 6vw, 4.5rem); display: grid; gap: 2rem; }
.doc h1 { font-size: var(--step-4); line-height: 1.05; }
.doc h2 { font-size: var(--step-2); line-height: 1.2; margin-top: 0.6rem; }
.doc section { display: grid; gap: 0.8rem; max-width: 38em; }
.doc ul { margin: 0; padding-left: 1.2rem; display: grid; gap: 0.35rem; }
.doc .updated { color: var(--ink-soft); font-style: italic; }

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