/* =============================================
   kaguya.date — Lunar Type System
   Palette: Moonrise Contrast System
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=IM+Fell+English:ital@0;1&display=swap');

/* ── Custom Properties ── */
:root {
  --vellum:      #f5f0e8;
  --near-black:  #0d0d0d;
  --aged-ivory:  #e8e0d0;
  --night-ink:   #3d2b6e;
  --silver-moon: #c8c4bc;
  --ash:         #7a7570;
  --pale-cream:  #faf7f2;
  --deep-ash:    #4a4a4a;
  --mid-gray:    #8a8a8a;
  --soft-black:  #1a1a1a;

  --base: 18px;
  --spine-width: 640px;

  /* Golden ratio scale */
  --scale-xs:  11px;
  --scale-sm:  15px;
  --scale-md:  18px;
  --scale-lg:  22px;   /* h3 */
  --scale-xl:  36px;   /* h2 */
  --scale-2xl: 58px;   /* h1 */

  --lh-base: 1.85;
  --paragraph-gap: calc(var(--base) * var(--lh-base) * 2);

  --section-pad: calc(var(--base) * 3.618);

  --transition-slow: 0.4s ease;
  --transition-fast: 0.2s ease;
}

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

/* ── Base ── */
html {
  scroll-behavior: smooth;
  font-size: var(--base);
}

body.vellum-ground {
  background-color: var(--vellum);
  color: var(--near-black);
  font-family: 'Libre Baskerville', Georgia, serif;
  font-size: var(--base);
  line-height: var(--lh-base);
  letter-spacing: 0.01em;
  min-height: 100vh;
}

/* ── Typography ── */
h1, h2, h3 {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-weight: 700;
  color: var(--near-black);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.2;
}

h1 { font-size: var(--scale-2xl); }
h2 { font-size: var(--scale-xl); }
h3 { font-size: var(--scale-lg); }

p {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-size: var(--base);
  font-weight: 400;
  line-height: var(--lh-base);
  color: var(--near-black);
  letter-spacing: 0.01em;
  margin-bottom: var(--paragraph-gap);
}

a {
  color: var(--near-black);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: transparent;
  transition: text-decoration-color var(--transition-fast), color var(--transition-fast);
}

a:hover {
  text-decoration-color: var(--night-ink);
  color: var(--night-ink);
}

em, i { font-style: italic; }

/* ── Dot accent ── */
.dot {
  color: var(--night-ink);
  font-weight: 700;
}

/* ── Navigation ── */
.float-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  opacity: 1;
  transition: opacity var(--transition-slow);
  background: transparent;
  pointer-events: auto;
}

.float-nav.faded {
  opacity: 0.15;
}

.nav-wordmark {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-style: italic;
  font-size: 18px;
  color: var(--near-black);
  text-decoration: none;
  font-variant: small-caps;
  letter-spacing: 0.04em;
}

.nav-wordmark:hover {
  text-decoration: none;
  color: var(--near-black);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: transparent;
  color: var(--near-black);
  transition: text-decoration-color var(--transition-fast), color var(--transition-fast);
}

.nav-links a:hover {
  text-decoration-color: var(--night-ink);
  color: var(--night-ink);
}

/* ── Content Spine ── */
.content-spine {
  max-width: var(--spine-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Site Header ── */
.site-header {
  padding: calc(var(--base) * 7) 0 calc(var(--base) * 4);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(var(--base) * 1);
}

.bamboo-stalk {
  margin-bottom: calc(var(--base) * 0.5);
  opacity: 0.7;
}

.site-title {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-style: italic;
  font-size: 28px;
  color: var(--near-black);
  font-variant: small-caps;
  letter-spacing: 0.06em;
  text-align: center;
  font-weight: 700;
}

.site-tagline {
  font-family: 'IM Fell English', Georgia, serif;
  font-size: var(--scale-sm);
  color: var(--ash);
  letter-spacing: 0.02em;
  line-height: 1.6;
  text-align: center;
  margin-bottom: 0;
}

.moon-phase-indicator {
  margin-top: calc(var(--base) * 0.5);
}

/* ── Content Sections ── */
.content-section {
  padding: var(--section-pad) 0;
  position: relative;
}

.section-marker {
  display: block;
  margin-bottom: calc(var(--base) * 1.618);
}

/* ── Wave Dividers ── */
.wave-divider-wrap {
  width: 100%;
  padding: 0 0;
  line-height: 0;
}

.wave-divider {
  display: block;
  width: 100%;
}

/* Wave stroke color: #1a1a1a (soft-black) at low opacity */
.wave-divider .wave-path {
  stroke: #1a1a1a;
}

/* ── Pull Quotes ── */
.pull-quote {
  margin: calc(var(--base) * 2) 0 calc(var(--base) * 2) 48px;
  padding-left: 20px;
  border-left: 1px solid var(--night-ink);
  background: transparent;
  opacity: 0;
  transform: translateX(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.pull-quote.revealed {
  opacity: 1;
  transform: translateX(0);
}

.wave-bracket {
  display: block;
  margin-bottom: 8px;
}

.pull-quote blockquote {
  margin: 0;
  padding: 0;
}

.quote-text {
  font-family: 'IM Fell English', Georgia, serif;
  font-size: var(--scale-sm);
  font-style: italic;
  color: var(--deep-ash);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ── Marginalia / Inline Annotations ── */
.marginalia {
  margin: calc(var(--base) * 1.5) 0 calc(var(--base) * 1.5) 48px;
  padding: 0 0 0 16px;
  border-left: 1px solid var(--silver-moon);
  opacity: 0;
  transform: translateX(12px);
  transition: opacity 0.6s ease 0.1s, transform 0.6s ease 0.1s;
}

.marginalia.revealed {
  opacity: 1;
  transform: translateX(0);
}

.annotation-text {
  font-family: 'IM Fell English', Georgia, serif;
  font-size: var(--scale-sm);
  font-style: italic;
  color: var(--ash);
  line-height: 1.7;
  margin-bottom: 0;
  letter-spacing: 0.01em;
}

/* ── Writing Entries ── */
.writing-entry {
  margin-bottom: calc(var(--base) * 3);
  position: relative;
}

.writing-entry h3 {
  font-size: var(--scale-lg);
  margin-bottom: calc(var(--base) * 0.5);
  letter-spacing: 0.06em;
}

.writing-entry h3 a {
  text-decoration: none;
  color: var(--near-black);
  transition: color var(--transition-fast);
}

.writing-entry h3 a:hover {
  color: var(--night-ink);
  text-decoration-color: transparent;
}

.entry-date {
  display: block;
  font-family: 'Libre Baskerville', Georgia, serif;
  font-size: var(--scale-xs);
  color: var(--ash);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: calc(var(--base) * 0.75);
}

.leaf-icon {
  display: inline-block;
  margin-right: 6px;
  vertical-align: middle;
  opacity: 0.85;
}

/* ── Moon Phase Sequence ── */
.moon-phase-sequence {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  margin: calc(var(--base) * 2) 0;
  flex-wrap: wrap;
}

.moon-phase-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.moon-phase-icon {
  display: block;
}

.moon-label {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-size: var(--scale-xs);
  color: var(--mid-gray);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  white-space: nowrap;
}

/* Wave axis labels */
.wave-axis-label {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-size: var(--scale-xs);
  color: var(--mid-gray);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Contact ── */
.contact-address {
  margin: calc(var(--base) * 1.5) 0;
  font-size: var(--scale-lg);
}

.contact-address a {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-style: italic;
  color: var(--near-black);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--silver-moon);
  transition: text-decoration-color var(--transition-fast), color var(--transition-fast);
  letter-spacing: 0.02em;
}

.contact-address a:hover {
  text-decoration-color: var(--night-ink);
  color: var(--night-ink);
}

.pampas-icon {
  display: inline-block;
  margin-bottom: calc(var(--base) * 0.5);
  opacity: 0.8;
}

/* ── Footer ── */
.site-footer {
  padding: calc(var(--base) * 3) 0 calc(var(--base) * 4);
  text-align: center;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.footer-text {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-style: italic;
  font-size: 16px;
  color: var(--ash);
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.footer-wave {
  display: block;
  flex-shrink: 0;
}

/* ── Wave path draw animation (JS controlled via stroke-dashoffset) ── */
.wave-path {
  stroke-dasharray: 2000;
  stroke-dashoffset: 2000;
}

.wave-path.drawn {
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Fallback: if JS disabled, waves appear fully visible */
.no-js .wave-path {
  stroke-dashoffset: 0;
}

/* ── Wave bracket for pull-quotes ── */
.wave-path-small {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
}

.wave-path-small.drawn {
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── Responsive — Mobile ── */
@media (max-width: 700px) {
  :root {
    --base: 16px;
    --scale-2xl: 36px;
    --scale-xl: 26px;
    --scale-lg: 20px;
  }

  .float-nav {
    padding: 16px 20px;
  }

  .nav-links {
    gap: 18px;
  }

  .site-header {
    padding: calc(var(--base) * 6) 0 calc(var(--base) * 3);
  }

  .pull-quote,
  .marginalia {
    margin-left: 20px;
  }

  .footer-wave {
    width: 100px;
  }

  .moon-phase-sequence {
    gap: 12px;
  }

  .moon-label {
    font-size: 9px;
  }
}

/* ── Breathing margins at section transitions ── */
@keyframes margin-breathe {
  0%   { padding-left: 24px; padding-right: 24px; }
  50%  { padding-left: 32px; padding-right: 32px; }
  100% { padding-left: 24px; padding-right: 24px; }
}

.content-section.breathing {
  animation: margin-breathe 2s ease-in-out forwards;
}