/* WhiteWings Integration Press — shared styles
   Palette: walnut / cream / gold. Tonal, warm, restrained. */

@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=Inter:wght@300;400;500&display=swap');

:root {
  /* Walnut tones (default) */
  --wood-deepest: oklch(0.14 0.025 50);
  --wood-deep:    oklch(0.20 0.030 50);
  --wood-mid:     oklch(0.28 0.035 55);
  --wood-light:   oklch(0.36 0.040 60);
  --wood-rim:     oklch(0.52 0.055 70);

  /* Paper + ink */
  --parchment:    oklch(0.94 0.015 85);
  --parchment-2:  oklch(0.90 0.018 82);
  --ink:          oklch(0.22 0.020 50);
  --ink-soft:     oklch(0.38 0.018 55);
  --ink-faint:    oklch(0.58 0.012 60);

  /* Accent — gold default */
  --gold:         oklch(0.74 0.09 78);
  --gold-deep:    oklch(0.62 0.08 72);
  --gold-faint:   oklch(0.74 0.09 78 / 0.25);

  /* Motion */
  --ease-book: cubic-bezier(0.22, 0.8, 0.2, 1);
  --dur-book: 520ms;

  /* Measures */
  --measure: 66ch;
  --nav-h: 68px;

  /* Fonts */
  --serif: "EB Garamond", "Garamond Premier Pro", "Sabon", Georgia, serif;
  --sans: "Inter", "Söhne", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
}

/* Oak tone variant */
[data-wood="oak"] {
  --wood-deepest: oklch(0.20 0.030 75);
  --wood-deep:    oklch(0.28 0.040 75);
  --wood-mid:     oklch(0.38 0.050 78);
  --wood-light:   oklch(0.48 0.055 80);
  --wood-rim:     oklch(0.62 0.060 82);
}
/* Espresso tone variant */
[data-wood="espresso"] {
  --wood-deepest: oklch(0.09 0.018 45);
  --wood-deep:    oklch(0.14 0.022 48);
  --wood-mid:     oklch(0.20 0.028 50);
  --wood-light:   oklch(0.28 0.032 55);
  --wood-rim:     oklch(0.42 0.045 65);
}

/* Accent variants */
[data-accent="brass"] {
  --gold:      oklch(0.68 0.08 82);
  --gold-deep: oklch(0.56 0.07 78);
  --gold-faint: oklch(0.68 0.08 82 / 0.25);
}
[data-accent="ivory"] {
  --gold:      oklch(0.90 0.020 85);
  --gold-deep: oklch(0.78 0.025 85);
  --gold-faint: oklch(0.90 0.020 85 / 0.25);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--serif);
  color: var(--ink);
  background: var(--parchment);
  font-size: 19px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 40px;
  height: var(--nav-h);
  background: var(--parchment);
  border-bottom: 1px solid oklch(0.22 0.02 50 / 0.08);
}
.nav.nav--dark {
  background: var(--wood-deepest);
  color: oklch(0.88 0.015 80);
  border-bottom-color: oklch(0.88 0.015 80 / 0.08);
}
.wordmark {
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--gold);
  text-decoration: none;
  display: flex; align-items: center; gap: 10px;
}
.wordmark .ww-mark {
  display: inline-block; width: 18px; height: 18px;
  border: 1px solid var(--gold);
  position: relative;
}
.wordmark .ww-mark::before, .wordmark .ww-mark::after {
  content: ""; position: absolute; top: 50%; width: 6px; height: 1px; background: var(--gold);
}
.wordmark .ww-mark::before { left: -8px; transform: rotate(20deg); }
.wordmark .ww-mark::after  { right: -8px; transform: rotate(-20deg); }

.nav-links {
  display: flex; gap: 34px; align-items: center;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 400;
}
.nav-links a {
  color: inherit; text-decoration: none;
  opacity: 0.75;
  transition: opacity 200ms ease, color 200ms ease;
}
.nav-links a:hover { opacity: 1; color: var(--gold); }
.nav-links a.is-current { opacity: 1; color: var(--gold); }

/* ---------- Editorial page layout (About, Book detail, Contact) ---------- */
.editorial {
  max-width: 920px;
  margin: 0 auto;
  padding: 80px 40px 120px;
}
.editorial-eyebrow {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 18px;
}
.editorial h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 5.2vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 28px;
  max-width: 18ch;
}
.editorial h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 26px;
  letter-spacing: 0;
  margin: 56px 0 18px;
}
.editorial p {
  max-width: var(--measure);
  margin: 0 0 22px;
}
.editorial .lede {
  font-size: 22px;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 40ch;
  margin-bottom: 40px;
}
.editorial .running-head {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink-faint);
  font-size: 14px;
  letter-spacing: 0.04em;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--wood-deepest);
  color: oklch(0.82 0.012 80);
  padding: 64px 40px 40px;
  margin-top: 80px;
}
.footer-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid oklch(0.82 0.012 80 / 0.12);
}
.footer h4 {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
  margin: 0 0 18px;
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: 10px; }
.footer a {
  color: inherit; text-decoration: none; font-size: 15px;
  opacity: 0.72;
  transition: opacity 200ms ease, color 200ms ease;
}
.footer a:hover { opacity: 1; color: var(--gold); }
.footer-tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: 17px;
  color: oklch(0.82 0.012 80 / 0.85);
  max-width: 32ch;
  line-height: 1.5;
  margin: 14px 0 0;
}
.footer-bottom {
  max-width: 1200px; margin: 32px auto 0;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: oklch(0.82 0.012 80 / 0.55);
  text-transform: uppercase;
}

/* ---------- Email capture (inline, single field) ---------- */
.subscribe {
  display: flex; gap: 0; max-width: 460px;
  border-bottom: 1px solid currentColor;
  opacity: 0.9;
}
.subscribe input {
  flex: 1;
  background: transparent;
  border: 0;
  padding: 12px 0;
  font-family: var(--serif);
  font-size: 17px;
  color: inherit;
  outline: none;
}
.subscribe input::placeholder { color: currentColor; opacity: 0.5; font-style: italic; }
.subscribe button {
  background: transparent;
  border: 0;
  color: var(--gold);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 12px 4px 12px 18px;
  cursor: pointer;
  transition: color 200ms ease, letter-spacing 300ms ease;
}
.subscribe button:hover { letter-spacing: 0.22em; }
.subscribe .tick {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  padding: 12px 4px;
  opacity: 0;
  transition: opacity 400ms ease;
}
.subscribe.is-sent .tick { opacity: 1; }
.subscribe.is-sent input, .subscribe.is-sent button { opacity: 0; pointer-events: none; }

/* ---------- Placeholder imagery (walnut/cream illustrated stand-ins) ---------- */
.illus-plate {
  background:
    repeating-linear-gradient(
      135deg,
      oklch(0.88 0.02 80) 0 2px,
      oklch(0.85 0.02 80) 2px 4px
    );
  border: 1px solid oklch(0.22 0.02 50 / 0.12);
  position: relative;
  overflow: hidden;
}
.illus-plate::after {
  content: attr(data-label);
  position: absolute;
  bottom: 14px; left: 14px;
  font-family: "SF Mono", "IBM Plex Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  background: var(--parchment);
  padding: 4px 8px;
}

/* ---------- Utilities ---------- */
.small-caps {
  font-variant: all-small-caps;
  letter-spacing: 0.14em;
}
.rule {
  width: 56px; height: 1px; background: var(--gold);
  margin: 28px 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  body { font-size: 17px; line-height: 1.7; }
  .nav { padding: 14px 18px; gap: 12px; }
  .wordmark { font-size: 12px; letter-spacing: 0.14em; }
  .wordmark .ww-mark { width: 14px; height: 14px; }
  .nav-links { gap: 14px; font-size: 10px; letter-spacing: 0.06em; }
  .nav-links .nav-hide-sm { display: none; }
  .editorial { padding: 48px 22px 80px; }
  .footer { padding: 48px 22px 28px; }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
    margin-top: 24px;
  }
  .subscribe { max-width: 100%; }
  .subscribe input { font-size: 16px; min-width: 0; }
}
@media (max-width: 420px) {
  .nav { padding: 12px 14px; }
  .nav-links { gap: 10px; font-size: 9.5px; }
  .wordmark span:not(.ww-mark) { display: none; }
}