/* ========================================
   interplanetary.biz — Styles
   Colors: #1C1410 #C8A96E #4A3728 #A0522D #F2E8D5 #8C7B6B #3D3228
   Fonts: Cormorant Garamond, Nunito Sans, Inconsolata
   ======================================== */

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

:root {
  --espresso: #1C1410;
  --gold: #C8A96E;
  --walnut: #4A3728;
  --sienna: #A0522D;
  --parchment: #F2E8D5;
  --dusk: #8C7B6B;
  --shadow: #3D3228;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Nunito Sans', sans-serif;
  --mono: 'Inconsolata', monospace;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scrollbar-color: var(--walnut) var(--espresso);
}

body {
  background: var(--espresso);
  color: var(--parchment);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
}

::selection {
  background: var(--sienna);
  color: var(--parchment);
}

/* ── FOLIO SPLIT LAYOUT ── */

.folio {
  display: flex;
  min-height: 100vh;
  position: relative;
}

/* SPLIT LINE */
.split-line {
  position: fixed;
  top: 0;
  left: 38%;
  width: 4px;
  height: 100vh;
  z-index: 100;
  opacity: 0;
  transition: opacity 0.8s ease 0.4s;
}

.split-line.is-visible {
  opacity: 1;
}

.split-svg {
  width: 100%;
  height: 100%;
}

.split-path {
  stroke: var(--gold);
  stroke-width: 0.8;
  fill: none;
  opacity: 0.7;
}

.split-flourish {
  fill: var(--gold);
  opacity: 0.5;
}

.split-star {
  fill: var(--gold);
  opacity: 0.7;
}

/* INDEX PANEL (left, 38%) */
.index-panel {
  width: 38%;
  min-height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--espresso);
  border-right: none;
  z-index: 10;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.8s ease 0.6s, transform 0.8s ease 0.6s;
}

.index-panel.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.panel-inner {
  padding: 3rem 2.5rem 4rem;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* COMPASS ROSE */
.compass-rose {
  width: 56px;
  height: 56px;
  color: var(--gold);
  margin-bottom: 2rem;
  cursor: pointer;
  transition: transform 0.6s ease;
  opacity: 0.85;
}

.compass-rose:hover {
  transform: rotate(45deg);
  opacity: 1;
}

.compass-rose svg {
  width: 100%;
  height: 100%;
}

/* BRAND */
.brand {
  margin-bottom: 2.5rem;
}

.brand-eyebrow {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dusk);
  margin-bottom: 0.8rem;
}

.brand-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  letter-spacing: 0.04em;
  color: var(--gold);
  line-height: 1.2;
  margin-bottom: 0.8rem;
}

.brand-letter {
  display: inline-block;
  opacity: 0;
  transform: translateY(12px);
  animation: letterReveal 0.5s ease forwards;
  animation-delay: calc(1s + var(--i) * 0.05s);
}

@keyframes letterReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.brand-dot {
  color: var(--sienna);
}

.brand-subtitle {
  font-family: var(--serif);
  font-size: 0.92rem;
  font-style: italic;
  color: var(--dusk);
  line-height: 1.5;
}

/* NAVIGATION */
.ledger-nav {
  margin-bottom: 2.5rem;
}

.nav-eyebrow {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.78rem;
  color: var(--dusk);
  margin-bottom: 1rem;
  letter-spacing: 0.08em;
}

.ledger-nav ul {
  list-style: none;
}

.ledger-nav li {
  margin-bottom: 0.25rem;
}

.nav-item {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.45rem 0;
  text-decoration: none;
  color: var(--parchment);
  font-family: var(--serif);
  font-size: 0.95rem;
  transition: color 0.3s ease, padding-left 0.3s ease;
  border-left: 2px solid transparent;
  padding-left: 0;
}

.nav-item:hover {
  color: var(--gold);
  padding-left: 0.5rem;
}

.nav-item.is-active {
  color: var(--gold);
  border-left-color: var(--gold);
  padding-left: 0.5rem;
}

.nav-roman {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--sienna);
  min-width: 1.8rem;
}

.nav-label {
  letter-spacing: 0.04em;
}

/* LEDGER META */
.ledger-meta {
  margin-bottom: 2.5rem;
  padding: 1.2rem 0;
  border-top: 1px solid var(--shadow);
  border-bottom: 1px solid var(--shadow);
}

.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.2rem 0;
}

.meta-key {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dusk);
}

.meta-val {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--gold);
}

/* FOLD MAP */
.fold-map {
  margin-top: auto;
}

.fold-caption {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.72rem;
  color: var(--dusk);
  text-align: center;
  margin-bottom: 0.6rem;
  letter-spacing: 0.08em;
}

.fold-svg {
  width: 100%;
  height: auto;
  opacity: 0.85;
}

.map-planet {
  transition: opacity 0.3s ease;
}

.map-planet:hover {
  opacity: 0.7;
}

.route-line {
  animation: routePulse 6s ease-in-out infinite;
}

@keyframes routePulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.9; }
}

/* ── CONTENT CANVAS (right, 62%) ── */

.content-canvas {
  width: 62%;
  margin-left: 38%;
  min-height: 100vh;
  position: relative;
  z-index: 5;
}

.canvas-inner {
  padding: 4rem 4rem 6rem;
  max-width: 800px;
}

/* ── CHAPTERS ── */

.chapter {
  margin-bottom: 8rem;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.chapter.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.chapter-header {
  margin-bottom: 3rem;
}

.chapter-eyebrow {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.78rem;
  color: var(--dusk);
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

.chapter-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  letter-spacing: 0.06em;
  color: var(--gold);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.chapter-lede {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--dusk);
  line-height: 1.65;
  max-width: 540px;
}

.chapter-lede-tight {
  max-width: 480px;
}

/* RULES / DIVIDERS */
.rule {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.2rem 0;
}

.rule-line {
  flex: 1;
  height: 1px;
  background: var(--shadow);
}

.rule-glyph {
  font-size: 0.85rem;
  color: var(--gold);
  opacity: 0.8;
}

.rule-tiny {
  font-size: 0.7rem;
}

.rule-simple {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin: 2.5rem 0;
}

.rule-simple .rule-line {
  flex: 1;
  height: 1px;
  background: var(--shadow);
}

.data-accent {
  color: var(--gold);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

/* ── FOLIO HERO ── */

.folio-hero {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.hero-planet {
  text-align: center;
}

.planet-svg {
  width: 100%;
  max-width: 360px;
  height: auto;
  margin: 0 auto;
  display: block;
  animation: planetFloat 12s ease-in-out infinite;
}

@keyframes planetFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.planet-caption {
  margin-top: 1rem;
  text-align: center;
}

.caption-name {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--gold);
  letter-spacing: 0.1em;
}

.caption-meta {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--dusk);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.folio-prose {
  max-width: 520px;
}

.folio-epigraph {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--gold);
  line-height: 1.6;
  margin-bottom: 0.3rem;
}

.folio-epigraph-attr {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--dusk);
  margin-bottom: 2rem;
}

.folio-headline {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3.5rem);
  color: var(--gold);
  letter-spacing: 0.06em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.folio-body {
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--parchment);
  line-height: 1.75;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.folio-hint {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--dusk);
  margin-top: 2rem;
  letter-spacing: 0.1em;
}

.hint-arrow {
  display: inline-block;
  animation: arrowBounce 2s ease-in-out infinite;
}

@keyframes arrowBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

/* ── VENTURES ── */

.venture {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.venture-mark {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
}

.venture-glyph {
  width: 100%;
  height: 100%;
}

.venture-body {
  flex: 1;
}

.venture-eyebrow {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dusk);
  margin-bottom: 0.3rem;
}

.venture-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--gold);
  letter-spacing: 0.04em;
  margin-bottom: 0.3rem;
}

.venture-meta {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.88rem;
  color: var(--dusk);
  margin-bottom: 0.8rem;
}

.venture-prose {
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--parchment);
  line-height: 1.7;
  opacity: 0.88;
  margin-bottom: 0.8rem;
}

.venture-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.venture-stats .data-accent {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
}

/* ── PROSPECTUS GRID ── */

.prospectus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 2.5rem;
}

.prospectus-item {
  text-align: center;
  padding: 1.5rem 1rem;
  border: 1px solid var(--shadow);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.prospectus-item:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
}

.prospectus-illus {
  width: 100px;
  height: 100px;
  margin: 0 auto 1rem;
}

.planet-mini {
  width: 100%;
  height: 100%;
}

.prospectus-name {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 0.8rem;
}

.prospectus-dl {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.2rem 0;
  border-bottom: 1px solid rgba(61, 50, 40, 0.4);
}

.pr-k {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--dusk);
}

.pr-v {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--parchment);
}

/* ── GUILD REGISTRY ── */

.registry-list {
  list-style: none;
  counter-reset: registry;
}

.registry-item {
  counter-increment: registry;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--shadow);
  position: relative;
  padding-left: 2.5rem;
}

.registry-item::before {
  content: counter(registry, upper-roman) ".";
  position: absolute;
  left: 0;
  top: 1.5rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--sienna);
  letter-spacing: 0.05em;
}

.registry-name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--gold);
  letter-spacing: 0.04em;
  margin-bottom: 0.2rem;
}

.registry-meta {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--dusk);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.registry-note {
  font-family: var(--sans);
  font-size: 0.88rem;
  color: var(--parchment);
  opacity: 0.85;
  line-height: 1.65;
}

/* ── ARCHIVES ── */

.archives-column {
  max-width: 540px;
}

.archive-entry {
  margin-bottom: 2.5rem;
  padding-left: 1.5rem;
  border-left: 2px solid var(--shadow);
}

.archive-date {
  margin-bottom: 0.6rem;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
}

.archive-quote {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--parchment);
  line-height: 1.7;
  margin-bottom: 0.5rem;
  opacity: 0.9;
}

.archive-source {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--dusk);
  letter-spacing: 0.05em;
}

/* ── THE SEAL ── */

.seal-composition {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 3rem 0;
}

.seal-instrument {
  width: 80px;
  opacity: 0.7;
}

.seal-instrument svg {
  width: 100%;
  height: auto;
}

.seal-center {
  width: 300px;
  height: 300px;
}

.seal-svg {
  width: 100%;
  height: 100%;
  animation: sealSpin 120s linear infinite;
}

@keyframes sealSpin {
  to { transform: rotate(360deg); }
}

.seal-inscription {
  text-align: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--dusk);
  letter-spacing: 0.15em;
  margin-top: 1.5rem;
}

/* ── FOLD SENTINEL ── */

.fold-sentinel {
  height: 0;
  overflow: hidden;
}

/* ── PAPER TEXTURE OVERLAY ── */

body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 999;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: 0.4;
}

/* ── RESPONSIVE ── */

@media (max-width: 900px) {
  .folio {
    flex-direction: column;
  }

  .index-panel {
    position: relative;
    width: 100%;
    height: auto;
    min-height: auto;
  }

  .split-line {
    display: none;
  }

  .content-canvas {
    width: 100%;
    margin-left: 0;
  }

  .canvas-inner {
    padding: 2rem 1.5rem 4rem;
  }

  .prospectus-grid {
    grid-template-columns: 1fr 1fr;
  }

  .seal-composition {
    flex-direction: column;
  }

  .seal-instrument {
    display: none;
  }
}

@media (max-width: 600px) {
  .prospectus-grid {
    grid-template-columns: 1fr;
  }

  .venture {
    flex-direction: column;
  }

  .panel-inner {
    padding: 2rem 1.5rem 3rem;
  }
}