/* ==========================================================
   UN-SOUND BOOKS — styles (night version)
   The baobab world, full dark — with the catalogue structure
   laid over it on translucent panels.
   Palette:
     --night  #0B0A0F   page void
     --panel  rgba(12,10,17,0.78)  content panels
     --bone   #EDE9DF   text
     --red    #E10600   logo red / ink accent
     --edge   rgba(237,233,223,0.14)  panel hairlines
   Type: Anton / Spectral / IBM Plex Mono (unchanged)
   ========================================================== */

:root {
  --night: #0B0A0F;
  --panel: rgba(12, 10, 17, 0.78);
  --bone: #EDE9DF;
  --bone-dim: rgba(237, 233, 223, 0.65);
  --bone-faint: rgba(237, 233, 223, 0.45);
  --red: #E10600;
  --edge: rgba(237, 233, 223, 0.14);
  --max: 64rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--night);
  color: var(--bone);
  font-family: "Spectral", Georgia, serif;
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* the baobab — fixed backdrop behind everything */
.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(11, 10, 15, 0.62), rgba(11, 10, 15, 0.8)),
    url("assets/background1_webp.webp");
  background-size: cover;
  background-position: center 20%;
}

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

a { color: var(--red); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--bone); }

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

h2, h3 {
  font-family: "Anton", "Arial Narrow", sans-serif;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0;
  color: var(--bone);
}

/* ============ masthead ============ */

.masthead {
  max-width: var(--max);
  margin: 3.5rem auto 0;
  padding: 4rem 1.5rem 3.5rem;
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--edge);
  backdrop-filter: blur(3px);
}

.masthead__logo {
  width: min(380px, 78vw);
  height: auto;
  margin: 0 auto 2rem;
  filter: drop-shadow(0 6px 24px rgba(0, 0, 0, 0.6));
}

.masthead__statement {
  font-size: clamp(1.2rem, 2.6vw, 1.5rem);
  font-weight: 300;
  line-height: 1.5;
  max-width: 34em;
  margin: 0 auto 2.75rem;
}

.masthead__statement em {
  font-style: italic;
  font-weight: 500;
  color: var(--red);
}

/* ============ signup ============ */

.signup {
  max-width: 30rem;
  margin: 0 auto;
  text-align: left;
}

.signup__label {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--bone-dim);
}

.signup__row {
  display: flex;
  gap: 0;
  border: 2px solid var(--bone);
  background: rgba(11, 10, 15, 0.5);
}

.signup__input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 0.8rem 1rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.95rem;
  color: var(--bone);
}

.signup__input::placeholder { color: var(--bone-faint); }
.signup__input:focus { outline: none; }
.signup__row:focus-within { border-color: var(--red); }

.signup__btn {
  border: 0;
  background: var(--bone);
  color: var(--night);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.8rem 1.25rem;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
  white-space: nowrap;
}

.signup__btn:hover { background: var(--red); color: var(--bone); }

.signup__note {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--bone-faint);
  margin: 0.6rem 0 0;
}

/* ============ waveform divider (signature) ============ */

.wave {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.25rem 1.5rem;
  height: auto;
  overflow: visible;
}

.wave svg {
  width: 100%;
  height: 36px;
  display: block;
  overflow: visible;
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.7));
}

@media (prefers-reduced-motion: no-preference) {
  .wave rect.drip {
    animation: drip 5.5s ease-in-out infinite;
    transform-origin: top;
    transform-box: fill-box;
  }
  @keyframes drip {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.9); }
  }
}

/* ============ sections ============ */

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem 2.5rem;
  background: var(--panel);
  border: 1px solid var(--edge);
  backdrop-filter: blur(3px);
}

.section__head { margin-bottom: 2.75rem; }

.eyebrow {
  display: inline-block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.6rem;
}

.section h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.05;
}

.section__sub {
  margin: 0.9rem 0 0;
  font-style: italic;
  color: var(--bone-dim);
  max-width: 36em;
}

/* ============ free stories ============ */

.stories {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.25rem 3rem;
}

.story { display: flex; gap: 1.5rem; align-items: flex-start; }

.story__coverlink { flex: 0 0 38%; }

.story__cover {
  width: 100%;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.55);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.story__coverlink:hover .story__cover {
  transform: translate(-2px, -2px);
  box-shadow: 9px 9px 0 var(--red);
}

.story__body { flex: 1; }

.story__tag {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
}

.story__title {
  font-size: 1.55rem;
  line-height: 1.1;
  margin: 0.45rem 0 0.7rem;
}

.story__hook {
  font-style: italic;
  font-size: 1.02rem;
  margin: 0 0 1.2rem;
  color: var(--bone-dim);
}

.story__via {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  color: var(--bone-faint);
  margin-top: 0.55rem;
}

/* ============ excerpt (Amara) ============ */

.excerpt {
  margin-top: 1.4rem;
  border-top: 1px solid var(--edge);
  padding-top: 1rem;
}

.excerpt summary {
  cursor: pointer;
  list-style: none;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.excerpt summary::-webkit-details-marker { display: none; }

.excerpt summary::before {
  content: "▸ ";
  color: var(--red);
}

.excerpt[open] summary::before { content: "▾ "; }

.excerpt summary:hover { color: var(--bone); }

.excerpt__text {
  margin-top: 1.1rem;
  padding-left: 1rem;
  border-left: 2px solid var(--red);
}

.excerpt__text p {
  font-style: italic;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--bone-dim);
  margin: 0 0 0.85rem;
}

.excerpt .btn { margin-top: 0.4rem; }

/* ============ buttons ============ */

.btn {
  display: inline-block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--night);
  background: var(--bone);
  padding: 0.7rem 1.2rem;
  border: 2px solid var(--bone);
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.btn:hover { background: var(--red); border-color: var(--red); color: var(--bone); }

.btn--ghost {
  background: transparent;
  color: var(--bone);
}

.btn--ghost:hover { background: var(--bone); color: var(--night); border-color: var(--bone); }

/* ============ substack line ============ */

.substack {
  margin: 3.5rem 0 0;
  text-align: center;
  font-style: italic;
  color: var(--bone-dim);
}

/* ============ coming soon ============ */

.section--feature {
  border-color: rgba(225, 6, 0, 0.35);
}

.feature {
  display: flex;
  gap: 3.5rem;
  align-items: center;
}

.feature__cover {
  flex: 0 0 280px;
  width: 280px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7);
}

.feature__title {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.05;
  margin: 0.6rem 0 1rem;
}

.feature__hook {
  font-style: italic;
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  margin: 0 0 1.5rem;
  color: var(--bone);
}

.feature__meta {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  margin: 0 0 0.4rem;
  color: var(--bone-dim);
}

.feature__meta--quiet { color: var(--bone-faint); }

/* ============ published ============ */

.published {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.pub { display: flex; gap: 1.5rem; align-items: flex-start; }

.pub__coverlink { flex: 0 0 34%; }

.pub__cover {
  width: 100%;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.55);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.pub__coverlink:hover .pub__cover {
  transform: translate(-2px, -2px);
  box-shadow: 9px 9px 0 var(--red);
}

.pub__title { font-size: 1.55rem; line-height: 1.1; margin: 0 0 0.6rem; }

.pub__hook {
  font-style: italic;
  margin: 0 0 0.5rem;
  color: var(--bone-dim);
}

.pub__meta {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--bone-faint);
  margin: 0 0 1.1rem;
}

.pub__hook + .btn { margin-top: 0.7rem; }

/* ============ footer ============ */

.footer {
  background: rgba(8, 7, 11, 0.92);
  border-top: 1px solid var(--edge);
  color: var(--bone);
  text-align: center;
  padding: 0 1.5rem 3.5rem;
  margin-top: 4rem;
  backdrop-filter: blur(3px);
}

.wave--footer {
  padding-top: 2.5rem;
  margin-bottom: 1rem;
}

.footer__about {
  font-style: italic;
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  max-width: 38em;
  margin: 0 auto 0.9rem;
  color: var(--bone-dim);
}

.footer__line {
  font-style: italic;
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  max-width: 32em;
  margin: 0 auto 2.5rem;
}

.footer__small {
  margin: 3rem 0 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--bone-faint);
}

.footer__small a { color: var(--bone-dim); }
.footer__small a:hover { color: var(--red); }

/* ============ responsive ============ */

@media (max-width: 860px) {
  .stories { grid-template-columns: 1fr; gap: 2.75rem; }
  .published { grid-template-columns: 1fr; }
  .feature { flex-direction: column; text-align: center; gap: 2.25rem; }
  .feature__cover { width: min(260px, 70vw); flex: none; }
  .section { padding: 3rem 1.5rem; }
  .masthead { margin-top: 1.5rem; }
}

@media (max-width: 520px) {
  /* story + published cards stack: cover above, text below */
  .story, .pub { flex-direction: column; align-items: stretch; gap: 1.25rem; }
  .story__coverlink, .pub__coverlink {
    flex: none;
    width: 58%;
    max-width: 230px;
    margin: 0 auto;
  }
  .story__body, .pub__body { text-align: center; }
  .excerpt { text-align: left; }
  .story__title { font-size: 1.45rem; }

  /* 16px minimum stops iOS Safari zooming the page when the field is tapped */
  .signup__input { font-size: 1rem; }
  .signup__row { flex-direction: column; border-width: 2px; }
  .signup__btn { width: 100%; padding: 0.95rem; }

  .masthead { padding: 2.75rem 1.25rem 2.5rem; margin-top: 1rem; }
  .section { padding: 2.75rem 1.25rem; }
  .wave { padding: 1.5rem 1.25rem; }
  .stories { gap: 3rem; }
}