/* =========================================================================
   Copper Key Media — stylesheet
   Plain HTML/CSS. No build step, no dependencies. Edit freely.
   Editorial minimalism: serif headings, ivory/ink palette, one copper accent.
   ========================================================================= */

:root {
  --ink:        #1a1714;
  --ink-soft:   #55504a;
  --paper:      #faf7f2;
  --paper-2:    #f2ede4;
  --copper:     #9a5b34;
  --copper-dim: #7e4a2a;
  --rule:       #e3dcd0;

  --serif: Georgia, 'Iowan Old Style', 'Palatino Linotype', 'Times New Roman', serif;
  --sans:  system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --measure: 42rem;
  --wide:    60rem;
  --step:    1.5rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--copper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}
a:hover { border-bottom-color: var(--copper); }

h1, h2, h3 { font-weight: 600; line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5vw, 3rem); margin: 0 0 0.5em; }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin: 2.5em 0 0.6em; }
h3 { font-size: 1.2rem; margin: 2em 0 0.4em; }

p { margin: 0 0 var(--step); }

/* Layout */
.wrap {
  width: 100%;
  max-width: var(--measure);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
.wrap--wide { max-width: var(--wide); }
.site-main { padding-block: 4rem 5rem; }

/* Header */
.site-header { border-bottom: 1px solid var(--rule); }
.site-header__inner {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1.5rem; padding-block: 1.4rem; flex-wrap: wrap;
}
.wordmark {
  font-family: var(--serif); font-size: 1.15rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink); border-bottom: 0;
}
.wordmark:hover { border-bottom: 0; color: var(--copper); }
.site-nav ul {
  display: flex; gap: 1.6rem; margin: 0; padding: 0; list-style: none;
  font-family: var(--sans); font-size: 0.9rem; letter-spacing: 0.02em;
}
.site-nav a { color: var(--ink-soft); border-bottom: 0; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--copper); border-bottom: 0; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule); margin-top: 4rem;
  font-family: var(--sans); font-size: 0.85rem; color: var(--ink-soft);
}
.site-footer__inner {
  display: flex; justify-content: space-between; gap: 1rem;
  padding-block: 2rem; flex-wrap: wrap;
}
.site-footer a { color: var(--ink-soft); }
.site-footer a:hover { color: var(--copper); }

/* Reusable bits */
.eyebrow {
  font-family: var(--sans); font-size: 0.75rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--copper); margin: 0 0 1rem;
}
.lede { font-size: 1.28rem; line-height: 1.55; color: var(--ink); }
.muted { color: var(--ink-soft); }
.rule { border: 0; border-top: 1px solid var(--rule); margin: 3rem 0; }

/* Featured / project */
.feature {
  display: grid; grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem; align-items: start; margin-top: 2.5rem;
}
@media (min-width: 40rem) {
  .feature { grid-template-columns: 200px minmax(0, 1fr); gap: 2.5rem; }
}
.feature__cover {
  background: var(--paper-2); border: 1px solid var(--rule);
  aspect-ratio: 2 / 3; display: flex; align-items: center; justify-content: center;
  color: var(--ink-soft); font-family: var(--sans); font-size: 0.75rem;
  letter-spacing: 0.1em; text-transform: uppercase;
}
.feature__title { margin: 0 0 0.3rem; font-size: 1.5rem; }

.catalog-list { list-style: none; margin: 2.5rem 0 0; padding: 0; }
.catalog-list li { padding: 1.5rem 0; border-top: 1px solid var(--rule); }
.catalog-list li:last-child { border-bottom: 1px solid var(--rule); }
.catalog-item__title { font-size: 1.3rem; margin: 0 0 0.2rem; }
.tag {
  font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-soft);
}

/* Book page extras */
.pull {
  font-family: var(--serif);
  font-size: 1.5rem;
  line-height: 1.4;
  font-style: italic;
  color: var(--ink);
  border-left: 2px solid var(--copper);
  padding-left: 1.4rem;
  margin: 3rem 0;
}
.pull span { color: var(--copper); font-style: normal; }

.firsts-grid {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.3rem 2.5rem;
}
@media (min-width: 34rem) {
  .firsts-grid { grid-template-columns: 1fr 1fr; }
}
.firsts-grid li {
  font-size: 1rem;
  line-height: 1.5;
  padding-left: 1.1rem;
  position: relative;
}
.firsts-grid li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--copper);
}
.firsts-grid strong { font-weight: 600; }

.facts {
  font-family: var(--sans);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-soft);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 1.5rem 0;
  margin: 3rem 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.3rem;
}
@media (min-width: 34rem) {
  .facts { grid-template-columns: auto 1fr; column-gap: 2rem; }
}
.facts dt { color: var(--ink); font-weight: 600; }
.facts dd { margin: 0; }

/* Contact form */
.field { margin-bottom: 1.25rem; }
.field label {
  display: block; font-family: var(--sans); font-size: 0.85rem;
  margin-bottom: 0.35rem; color: var(--ink-soft);
}
.field input, .field textarea {
  width: 100%; padding: 0.7rem 0.8rem; font-family: var(--sans); font-size: 1rem;
  background: #fff; color: var(--ink); border: 1px solid var(--rule); border-radius: 2px;
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--copper); border-color: transparent; }
.btn {
  font-family: var(--sans); font-size: 0.95rem; background: var(--ink); color: var(--paper);
  border: 0; border-radius: 2px; padding: 0.7rem 1.5rem; cursor: pointer; display: inline-block;
}
.btn:hover { background: var(--copper-dim); }