/* CHAMBER — Dark mode luxury. Goldman / Rothschild private register.
   Near-black ground. Parchment text. Old gold accent.
   The room you enter after hours.
   Reference: Rothschild private, Goldman Sachs PW, Edmond de Rothschild. */

:root {
  --paper:   #0F0E0C;
  --ink:     #E8E2D6;
  --accent:  #B8975A;
  --warm:    #8A8278;
  --faint:   #5A564E;
  --rule:    #2A2822;
  --light:   #1A1816;
}

* { box-sizing: border-box; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 18px;
  line-height: 1.88;
  font-feature-settings: "onum" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; transition: color 200ms; }
a:hover { color: var(--accent); }

/* ── Hero ─────────────────────────────────────── */
.pch-hero {
  position: relative;
  height: 90vh;
  min-height: 600px;
  overflow: hidden;
}

.pch-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  filter: brightness(0.55) sepia(0.2);
}

.pch-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(175deg, rgba(5,4,3,0.1) 0%, rgba(5,4,3,0.55) 60%, rgba(5,4,3,0.92) 100%);
}

.pch-hero-nav {
  position: absolute;
  top: 0; left: 0; right: 0;
  padding: 40px 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
}

.pch-hero-firm {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 16px;
  letter-spacing: 0.1em;
  color: rgba(232,226,214,0.9);
  text-decoration: none;
}

.pch-hero-links {
  display: flex;
  gap: 36px;
}

.pch-hero-links a {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(184,151,90,0.8);
  text-decoration: none;
  transition: color 200ms;
}
.pch-hero-links a:hover { color: var(--accent); }

.pch-hero-content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 0 56px 72px;
  z-index: 2;
}

.pch-hero-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 68px;
  font-weight: 300;
  line-height: 1.0;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin-bottom: 20px;
  max-width: 820px;
}

.pch-hero-sub {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ── Wrap ─────────────────────────────────────── */
.pch-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 56px 120px;
}

.pch-rule { border: none; border-top: 1px solid var(--rule); margin: 64px 0; }

/* ── Nav (inner pages) ────────────────────────── */
.pch-nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--rule);
}

.pch-nav-firm {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-decoration: none;
}

.pch-nav-links {
  display: flex;
  gap: 32px;
}

.pch-nav-links a {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--warm);
  text-decoration: none;
  transition: color 200ms;
}
.pch-nav-links a:hover { color: var(--accent); }

/* ── Section label ────────────────────────────── */
.pch-section-label {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 36px;
}

/* ── Intro ────────────────────────────────────── */
.pch-intro {
  max-width: 720px;
  margin: 72px 0;
}
.pch-intro p { font-size: 20px; line-height: 1.78; }

/* ── Writing cards ────────────────────────────── */
.pch-writing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
}

.pch-card {
  background: var(--light);
  padding: 36px 32px 44px;
  text-decoration: none;
  color: var(--ink);
  display: block;
  transition: background 200ms;
}
.pch-card:hover { background: #221F1B; }

.pch-card-form {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
}

.pch-card-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 24px;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 8px;
  display: block;
  color: var(--ink);
}

.pch-card-deck {
  font-style: italic;
  font-size: 15px;
  color: var(--warm);
  line-height: 1.5;
  margin-bottom: 16px;
}

.pch-card-date {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--faint);
}

/* ── Text pages ───────────────────────────────── */
.pch-text-page { padding-top: 72px; max-width: 680px; }
.pch-text-page h1 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 40px;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0.01em;
  margin-bottom: 48px;
}
.pch-text-page h2 {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 400;
  margin-top: 48px;
  margin-bottom: 16px;
}
.pch-text-page p { margin-bottom: 1.5em; }

.pch-contact { padding-top: 72px; max-width: 560px; }
.pch-contact h1 { font-family: 'Cormorant Garamond', Georgia, serif; font-size: 40px; font-weight: 400; margin-bottom: 48px; }
.pch-contact p { margin-bottom: 1.5em; color: var(--warm); font-size: 17px; }
.pch-contact a { color: var(--accent); }

/* ── Writing inline ───────────────────────────── */
.pch-writing-page { padding-top: 72px; }

.pch-toc {
  margin-bottom: 80px;
  padding: 28px 32px;
  background: var(--light);
  border-left: 2px solid var(--accent);
}

.pch-toc summary {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--warm);
  cursor: pointer;
  list-style: none;
  margin-bottom: 0;
}
.pch-toc[open] summary { margin-bottom: 20px; }

.pch-toc-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 32px;
}

.pch-toc-links a {
  font-size: 15px;
  color: var(--warm);
  text-decoration: none;
  line-height: 1.4;
}
.pch-toc-links a:hover { color: var(--ink); }

.pch-article {
  max-width: 720px;
  padding: 72px 0;
  border-bottom: 1px solid var(--rule);
}
.pch-article:first-child { padding-top: 0; }
.pch-article:last-child { border-bottom: none; }

.pch-article-form {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
}

.pch-article-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 36px;
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}

.pch-article-deck { font-style: italic; font-size: 17px; color: var(--warm); line-height: 1.55; margin-bottom: 8px; }
.pch-article-date { font-family: 'Libre Franklin', sans-serif; font-size: 11px; letter-spacing: 0.08em; color: var(--faint); margin-bottom: 40px; display: block; }
.pch-article-salutation { font-style: italic; color: var(--warm); margin-bottom: 1.5em; }
.pch-article-body p { margin-bottom: 1.5em; }
.pch-article-sign { margin-top: 2em; padding-top: 20px; border-top: 1px solid var(--rule); font-style: italic; color: var(--warm); }
.pch-article-sign p { margin-bottom: 2px; }

/* ── Footer ───────────────────────────────────── */
.pch-footer {
  margin-top: 80px;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  font-family: 'Libre Franklin', sans-serif;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
}

@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(16px); transition: opacity 1100ms cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1100ms cubic-bezier(0.25, 0.46, 0.45, 0.94); transition-delay: 120ms; }
  .reveal.visible { opacity: 1; transform: none; }
}

@media (max-width: 768px) {
  .pch-hero { height: 72vh; }
  .pch-hero-title { font-size: 44px; }
  .pch-hero-nav, .pch-hero-content { padding-left: 28px; padding-right: 28px; }
  .pch-wrap { padding: 0 28px 80px; }
  .pch-writing-grid { grid-template-columns: 1fr; }
  .pch-toc-links { grid-template-columns: 1fr; }
}

img.lazy { opacity: 0; transition: opacity 400ms ease-out; }
img.lazy.loaded { opacity: 1; }