/* ========================================
   Perilune Press
   Independent press — clean, editorial, lunar
   ======================================== */

:root {
  --paper: #f5f4ef;
  --paper-alt: #edeae2;
  --card: #fbfaf7;
  --ink: #1b1d23;
  --ink-soft: #565962;
  --ink-faint: #8d8f97;
  --line: rgba(27, 29, 35, 0.12);
  --line-soft: rgba(27, 29, 35, 0.07);
  --accent: #465470;
  --accent-soft: rgba(70, 84, 112, 0.1);
  --moon: #e9e6dd;
  --moon-shadow: #cdc9bd;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Outfit', system-ui, sans-serif;
  --font-mono: 'Space Mono', monospace;
  --wrap: 1160px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--paper); }

a { color: inherit; text-decoration: none; }

/* ---- Grain / paper texture ---- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.4;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

/* ---- Shared layout ---- */
.section {
  position: relative;
  z-index: 2;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 7rem 2rem;
}
.section--alt {
  max-width: none;
  background: var(--paper-alt);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.section--alt > * { max-width: var(--wrap); margin-left: auto; margin-right: auto; }

.section-label,
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
}
.section-head { margin-bottom: 3.5rem; max-width: 760px; }
.section-label { display: block; margin-bottom: 1.1rem; }
.section-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

/* ---- Nav ---- */
.press-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem clamp(1.25rem, 4vw, 3rem);
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.press-nav.scrolled {
  background: rgba(245, 244, 239, 0.85);
  backdrop-filter: blur(12px);
  padding-top: 1rem;
  padding-bottom: 1rem;
  box-shadow: 0 1px 0 var(--line-soft);
}
.press-mark {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.press-links {
  display: flex;
  gap: 2.25rem;
  list-style: none;
}
.press-links a {
  font-size: 0.9rem;
  color: var(--ink-soft);
  position: relative;
  transition: color 0.25s var(--ease);
}
.press-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}
.press-links a:hover { color: var(--ink); }
.press-links a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

/* ---- Hero ---- */
.press-hero {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 8rem 2rem 4rem;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 3rem;
}
.hero-eyebrow { margin-bottom: 1.75rem; }
.hero-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(3.4rem, 9vw, 6.2rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
}
.hero-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  color: var(--ink-soft);
  margin: 1.5rem 0 2.75rem;
  max-width: 26ch;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 0.95rem 1.9rem;
  border: 1px solid var(--ink);
  border-radius: 100px;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}
.hero-cta:hover {
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-2px);
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.moon-diagram {
  width: min(100%, 420px);
  height: auto;
  overflow: visible;
  animation: float 9s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
.orbit-path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1;
  stroke-dasharray: 3 6;
  opacity: 0.55;
}
.moon-body circle:first-child {
  fill: var(--moon);
  stroke: var(--moon-shadow);
  stroke-width: 1;
}
.moon-body .crater {
  fill: var(--moon-shadow);
  opacity: 0.55;
  stroke: none;
}
.perilune-dot { fill: var(--accent); }
.perilune-tick { stroke: var(--accent); stroke-width: 1.25; }
.perilune-mark { animation: pulse 3.5s ease-in-out infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ---- Definition strip ---- */
.definition {
  position: relative;
  z-index: 2;
  background: var(--ink);
  color: var(--paper);
}
.definition-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2.5rem;
  align-items: baseline;
}
.def-word { display: flex; flex-direction: column; gap: 0.4rem; }
.def-term {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.def-pron { font-family: var(--font-mono); font-size: 0.85rem; color: #b9bcc6; }
.def-part { font-style: italic; font-family: var(--font-serif); color: #9498a4; }
.def-text {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.3vw, 1.55rem);
  font-weight: 300;
  line-height: 1.55;
  color: #e7e6e1;
}

/* ---- Ethos ---- */
.ethos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}
.ethos-item { padding-top: 1.5rem; border-top: 1px solid var(--line); }
.ethos-label {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}
.ethos-text { color: var(--ink-soft); font-size: 1rem; }

/* ---- Catalog ---- */
.title-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}
.title-card {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.title-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 40px -22px rgba(27, 29, 35, 0.4);
}
.title-cover {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--paper-alt);
}
.title-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.title-cover--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: linear-gradient(160deg, var(--paper-alt), var(--moon));
}
.title-cover--empty span {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--ink-soft);
  text-align: center;
}
.title-body { padding: 1.5rem 1.5rem 1.75rem; display: flex; flex-direction: column; flex: 1; }
.title-status {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.title-name {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.6rem;
  line-height: 1.1;
  margin-bottom: 0.7rem;
}
.title-desc { color: var(--ink-soft); font-size: 0.95rem; flex: 1; }
.title-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.1rem; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 100px;
}

/* ---- Authors ---- */
.author-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}
.author-card {
  padding: 2.25rem;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  transition: border-color 0.3s var(--ease);
}
.author-card:hover { border-color: var(--line); }
.author-role {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.author-name {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 2rem;
  margin-bottom: 0.9rem;
}
.author-blurb { color: var(--ink-soft); margin-bottom: 1.4rem; }
.author-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--ink);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
  transition: color 0.25s var(--ease);
}
.author-link:hover { color: var(--accent); }
.authors-note {
  margin-top: 2.5rem;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--ink-faint);
}

/* ---- Contact ---- */
.section--contact { text-align: center; }
.section--contact .section-head { margin-left: auto; margin-right: auto; }
.contact-blurb {
  max-width: 46ch;
  margin: 0 auto 2.5rem;
  font-size: 1.1rem;
  color: var(--ink-soft);
}
.contact-email {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 400;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.35rem;
  transition: border-color 0.3s var(--ease);
}
.contact-email:hover { border-color: var(--accent); }

/* ---- Footer ---- */
.press-footer {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 4rem 2rem;
  background: var(--ink);
  color: var(--paper);
}
.footer-mark {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}
.footer-legal { color: #9498a4; font-size: 0.9rem; }
.footer-copy {
  color: #6d707b;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  margin-top: 1rem;
}

.empty-note {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--ink-faint);
}

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .press-hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 7rem;
    min-height: auto;
    gap: 2rem;
  }
  .hero-tagline { margin-left: auto; margin-right: auto; }
  .hero-visual { order: -1; }
  .moon-diagram { width: min(72%, 300px); }
  .definition-inner { grid-template-columns: 1fr; gap: 1.25rem; }
  .ethos-grid { grid-template-columns: 1fr; gap: 1.75rem; }
  .title-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

  .press-links {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(78vw, 320px);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    padding: 3rem;
    background: var(--paper-alt);
    box-shadow: -20px 0 60px -30px rgba(0,0,0,0.4);
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
  }
  .press-nav.open .press-links { transform: translateX(0); }
  .press-nav.open .nav-toggle span:first-child { transform: translateY(3.25px) rotate(45deg); }
  .press-nav.open .nav-toggle span:last-child { transform: translateY(-3.25px) rotate(-45deg); }
  .nav-toggle { display: flex; z-index: 101; }
}

@media (max-width: 520px) {
  .section { padding: 4.5rem 1.5rem; }
  .title-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .moon-diagram, .perilune-mark { animation: none; }
  html { scroll-behavior: auto; }
}