/* The Standing Letter — shared styles */

:root {
  --paper:      #F6F1E4;
  --paper-2:    #FFFDF8;
  --ink:        #24211C;
  --ink-soft:   #5E574A;
  --rule:       #DCD2BB;
  --rule-soft:  #E8E0CC;
  --oxblood:    #6E1B1B;
  --oxblood-2:  #8A3232;
  --seal:       #6E1B1B;
  --seal-2:     #8E2A22;
  --air-red:    #C0272D;
  --air-blue:   #1C3C6E;
  --btn-bg:     #6E1B1B;
  --btn-fg:     #FBF7EC;

  --f-display: "Libre Caslon Display", "Hoefler Text", Georgia, serif;
  --f-body:    "Spectral", Georgia, "Times New Roman", serif;
  --f-mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --measure: 34rem;
  --gutter: 1.25rem;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:      #171512;
    --paper-2:    #201D18;
    --ink:        #ECE4D3;
    --ink-soft:   #A79E8B;
    --rule:       #3A342A;
    --rule-soft:  #2B261F;
    --oxblood:    #D89189;
    --oxblood-2:  #E7ABA3;
    --seal:       #9A3028;
    --seal-2:     #B84438;
    --air-red:    #DE6A6A;
    --air-blue:   #86A7DB;
    --btn-bg:     #9A3028;
    --btn-fg:     #FDF7EC;
  }
}

:root[data-theme="dark"] {
  --paper:      #171512;
  --paper-2:    #201D18;
  --ink:        #ECE4D3;
  --ink-soft:   #A79E8B;
  --rule:       #3A342A;
  --rule-soft:  #2B261F;
  --oxblood:    #D89189;
  --oxblood-2:  #E7ABA3;
  --seal:       #9A3028;
  --seal-2:     #B84438;
  --air-red:    #DE6A6A;
  --air-blue:   #86A7DB;
  --btn-bg:     #9A3028;
  --btn-fg:     #FDF7EC;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 1.0625rem;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

/* Airmail chevron band, top of every page */
.airmail-band {
  height: 7px;
  background: repeating-linear-gradient(
    -45deg,
    var(--air-red) 0 9px,
    var(--paper) 9px 18px,
    var(--air-blue) 18px 27px,
    var(--paper) 27px 36px
  );
}

.wrap {
  width: 100%;
  max-width: 58rem;
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* ---------- Header ---------- */

.masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-block: 1.5rem 1.25rem;
  border-bottom: 1px solid var(--rule);
}

.wordmark {
  font-family: var(--f-display);
  font-size: 1.4rem;
  letter-spacing: 0.005em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.masthead nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.masthead nav a {
  color: var(--ink-soft);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.masthead nav a:hover,
.masthead nav a:focus-visible { color: var(--oxblood); border-bottom-color: var(--oxblood); }

/* ---------- Type ---------- */

h1, h2, h3 { font-family: var(--f-display); font-weight: 400; text-wrap: balance; }

h1 {
  font-size: clamp(2.1rem, 6vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.012em;
  margin: 0 0 1rem;
}

h2 {
  font-size: clamp(1.55rem, 3.6vw, 2.05rem);
  line-height: 1.16;
  margin: 0 0 0.85rem;
}

h3 {
  font-size: 1.15rem;
  line-height: 1.3;
  margin: 0 0 0.35rem;
}

p { margin: 0 0 1rem; max-width: var(--measure); }

a { color: var(--oxblood); text-decoration-thickness: 1px; text-underline-offset: 2px; }

.eyebrow {
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.9rem;
}

.lede { font-size: 1.15rem; color: var(--ink-soft); }

/* ---------- Sections ---------- */

section { padding-block: 3.25rem; border-top: 1px solid var(--rule-soft); }
section:first-of-type { border-top: 0; }

.section-head { margin-bottom: 2rem; }

/* ---------- Hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
  padding-block: 3.5rem 3.25rem;
}

@media (max-width: 720px) {
  .hero { grid-template-columns: 1fr; gap: 2rem; padding-block: 2.5rem; }
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  margin-top: 1.5rem;
}

.btn {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.75rem 1.35rem;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bg);
}

.btn:hover, .btn:focus-visible { background: var(--oxblood-2); border-color: var(--oxblood-2); }

.btn-quiet {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule);
}

.btn-quiet:hover, .btn-quiet:focus-visible {
  background: transparent;
  color: var(--oxblood);
  border-color: var(--oxblood);
}

.fine {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-top: 0.9rem;
}

/* ---------- Envelope ---------- */

.envelope-fig { margin: 0; }
.envelope-fig svg { display: block; width: 100%; height: auto; max-width: 100%; }

@keyframes press {
  0%   { transform: translateY(-14px) scale(1.22); opacity: 0; }
  60%  { transform: translateY(0) scale(0.96); opacity: 1; }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}

.seal-group { transform-box: fill-box; transform-origin: center; animation: press 1.05s cubic-bezier(.22,.9,.3,1) both 0.25s; }

@media (prefers-reduced-motion: reduce) {
  .seal-group { animation: none; }
}

/* ---------- Steps ---------- */

.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.6rem; }

.steps li {
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  gap: 1rem;
  align-items: start;
}

.step-no {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--oxblood);
  padding-top: 0.34rem;
  border-top: 2px solid var(--oxblood);
}

.steps p { margin: 0; }
.steps .fine { margin-top: 1.1rem; }

/* ---------- Submission paths ---------- */

.paths {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 1.35rem;
  margin-top: 1.4rem;
}

.path { border-top: 2px solid var(--rule); padding-top: 0.7rem; }
.path:first-child { border-top-color: var(--oxblood); }

.path-label {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.35rem;
}

.path:first-child .path-label { color: var(--oxblood); }

.path h4 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 1.05rem;
  line-height: 1.25;
  margin: 0 0 0.3rem;
}

.path p { margin: 0; max-width: none; font-size: 0.95rem; color: var(--ink-soft); }

/* ---------- Contents list ---------- */

.contents { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.7rem; max-width: var(--measure); }

.contents li {
  display: grid;
  grid-template-columns: 1.4rem 1fr;
  gap: 0.6rem;
  align-items: baseline;
}

.contents li::before {
  content: "✕";
  font-family: var(--f-mono);
  font-size: 0.62rem;
  color: var(--air-red);
}

/* ---------- Pricing stamps ---------- */

.stamps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 2.25rem;
  max-width: 44rem;
}

.stamp {
  position: relative;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 1.6rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
}

.stamp::before {
  content: "";
  position: absolute;
  inset: -8px;
  pointer-events: none;
  background:
    radial-gradient(circle 6px at 8px 8px, var(--paper) 5.5px, transparent 6px) 0 0/16px 16px repeat-x,
    radial-gradient(circle 6px at 8px 8px, var(--paper) 5.5px, transparent 6px) 0 100%/16px 16px repeat-x,
    radial-gradient(circle 6px at 8px 8px, var(--paper) 5.5px, transparent 6px) 0 0/16px 16px repeat-y,
    radial-gradient(circle 6px at 8px 8px, var(--paper) 5.5px, transparent 6px) 100% 0/16px 16px repeat-y;
}

.stamp > * { position: relative; }

.stamp-label {
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.6rem;
}

.price {
  font-family: var(--f-display);
  font-size: 2.6rem;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  margin: 0;
}

.price { font-size: 3.1rem; }

.price span {
  display: block;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 0.55rem;
}

.stamp p { margin: 0.9rem 0 0; font-size: 0.98rem; }
.stamp .btn { margin-top: 1.4rem; align-self: flex-start; }

/* ---------- FAQ ---------- */

.faq { display: grid; gap: 1.5rem; max-width: var(--measure); }
.faq dt { font-family: var(--f-display); font-size: 1.12rem; margin-bottom: 0.25rem; }
.faq dd { margin: 0; color: var(--ink-soft); }

/* ---------- Contact block ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1.75rem;
  max-width: 46rem;
}

.contact-grid h3 {
  font-family: var(--f-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}

.contact-grid p { margin: 0; }

/* ---------- Footer ---------- */

footer {
  border-top: 1px solid var(--rule);
  padding-block: 2rem 3rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

footer p { max-width: 42rem; margin: 0 0 0.5rem; }

/* ---------- Legal page ---------- */

.legal { padding-block: 2.5rem 1rem; }
.legal h2 { margin-top: 2.75rem; padding-top: 1.75rem; border-top: 1px solid var(--rule-soft); }
.legal h2:first-of-type { margin-top: 1.5rem; }
.legal h3 { margin-top: 1.75rem; font-family: var(--f-body); font-size: 1rem; font-weight: 600; }
.legal p, .legal li { max-width: var(--measure); }
.legal ul { padding-left: 1.1rem; margin: 0 0 1rem; }
.legal li { margin-bottom: 0.4rem; }

.stamp-date {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

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