/* ============================================================================
   PV Music Academy — site stylesheet
   Editorial, predominantly white & black, one restrained accent.
   Self-hosted OFL fonts (Fraunces + Inter). No frameworks.
   ========================================================================== */

/* ── Tokens ──────────────────────────────────────────────────────────────── */
:root {
  --paper: #ffffff;
  --paper-tint: #f7f6f3;
  --ink: #101014;
  --ink-soft: #4c4c55;
  --ink-faint: #8a8a93;
  --line: #e4e4e9;
  --line-strong: #c9c9d0;
  --accent: #9e2b25;        /* deep lacquer red — 7.4:1 on white */
  --accent-deep: #832220;
  --error: #b3261e;
  --ok: #1d6b3f;
  --radius: 14px;
  --radius-s: 8px;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --measure: 66ch;
  --container: 72rem;
  --shadow: 0 18px 40px -18px rgba(16, 16, 20, 0.18);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── Self-hosted fonts (SIL OFL 1.1; licenses in web/static/fonts/) ───────── */
@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 300 600;
  font-display: swap;
  src: url("/static/fonts/fraunces-latin-var.woff2") format("woff2");
}
@font-face {
  font-family: "Fraunces";
  font-style: italic;
  font-weight: 300 600;
  font-display: swap;
  src: url("/static/fonts/fraunces-italic-latin-var.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("/static/fonts/inter-latin-var.woff2") format("woff2");
}

/* ── Reset & base ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg, video, iframe { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 480; line-height: 1.08; letter-spacing: -0.015em; text-wrap: balance; }
p { text-wrap: pretty; }
:where(a):focus-visible, :where(button):focus-visible, :where(input):focus-visible,
:where(textarea):focus-visible, :where([tabindex]):focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  border-radius: 2px;
}
.btn:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }

/* Accessible helpers */
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  background: var(--ink); color: #fff; padding: 0.7rem 1.1rem;
  border-radius: 0 0 var(--radius-s) var(--radius-s);
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 0; }

/* Honeypot: invisible to humans and assistive tech, present for bots */
.hp-field {
  position: absolute !important; left: -9999px !important;
  width: 1px; height: 1px; overflow: hidden;
}

/* ── Layout primitives ──────────────────────────────────────────────────── */
.container {
  width: min(100% - clamp(2rem, 6vw, 5rem), var(--container));
  margin-inline: auto;
}
.home-section { padding: clamp(4.5rem, 9vw, 7.5rem) 0; }
.home-section-tint { background: var(--paper-tint); }

.eyebrow {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1.1rem;
}
.eyebrow-center { text-align: center; }

.section-title {
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
  margin-bottom: 1.6rem;
  max-width: 24ch;
}
.eyebrow-center + .section-title { margin-inline: auto; }
.section-lead {
  max-width: 58ch; margin: 0 auto 2.2rem; text-align: center;
  color: var(--ink-soft); font-size: 1.1rem;
}

.text-link {
  color: var(--accent); text-decoration: none;
  font-weight: 500;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 100% 1px; background-repeat: no-repeat;
  background-position: 0 100%;
}
.text-link:hover { color: var(--accent-deep); }

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-block; border: 1px solid transparent; cursor: pointer;
  padding: 0.85rem 1.6rem; border-radius: 999px;
  font-family: var(--font-body); font-weight: 550; font-size: 1rem;
  text-decoration: none; text-align: center;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease),
              transform 0.25s var(--ease), border-color 0.25s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-deep); }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-invert { background: #fff; color: var(--ink); }
.btn-invert:hover { background: var(--accent); color: #fff; }
.btn-submit[disabled] { opacity: 0.6; cursor: progress; }

/* ── Header / navigation ─────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding-block: 0.9rem; position: relative;
}
.wordmark { display: inline-flex; align-items: baseline; gap: 0.6rem; text-decoration: none; }
.wordmark-mark {
  font-family: var(--font-display); font-style: italic; font-weight: 560;
  font-size: 1.5rem; letter-spacing: -0.02em; color: var(--ink);
}
.wordmark-text {
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--ink-soft);
}
.site-nav { display: flex; align-items: center; }
.site-nav-list {
  display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2.2rem);
  list-style: none; padding: 0; margin: 0;
}
.site-nav-link {
  text-decoration: none; font-weight: 500; font-size: 0.98rem;
  padding: 0.4rem 0.1rem; position: relative; white-space: nowrap;
}
.site-nav-link::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 2px; background: var(--ink); transition: right 0.3s var(--ease);
}
.site-nav-link:hover::after, .site-nav-link.is-current::after { right: 0; }
.site-nav-link.is-current { font-weight: 650; }
.site-nav-cta .btn { padding: 0.6rem 1.25rem; font-size: 0.95rem; }

.nav-toggle {
  display: none; align-items: center; gap: 0.55rem; background: none;
  border: 0; padding: 0.45rem 0.2rem; cursor: pointer;
  font-weight: 600; font-size: 0.9rem; letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-toggle-box { position: relative; width: 22px; height: 14px; }
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
  position: absolute; left: 0; height: 2px; width: 100%;
  background: var(--ink); border-radius: 2px; content: "";
  transition: transform 0.3s var(--ease), top 0.3s var(--ease), opacity 0.2s;
}
.nav-toggle-bar { top: 6px; }
.nav-toggle-bar::before { top: -6px; }
.nav-toggle-bar::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: rotate(-90deg); top: 0; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .site-nav-list {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 0.4rem clamp(1rem, 5vw, 3rem) 1.4rem;
    box-shadow: var(--shadow);
  }
  .site-header[data-nav-open] .site-nav-list { display: flex; }
  .site-nav-link { display: block; padding: 0.9rem 0.2rem; font-size: 1.15rem; }
  .site-nav-link::after { display: none; }
  .site-nav-link.is-current { text-decoration: underline; text-underline-offset: 6px; }
  .site-nav-cta { margin-top: 0.9rem; }
  .site-nav-cta .btn { display: block; }
}

/* ── Hero ────────────────────────────────────────────────────────────────── */
.hero { padding: clamp(3.5rem, 8vw, 6.5rem) 0 clamp(3rem, 7vw, 5.5rem); }
.hero-grid {
  display: grid; gap: clamp(2.5rem, 6vw, 5rem);
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
}
.hero-title {
  font-size: clamp(3rem, 8.5vw, 5.6rem);
  font-weight: 430; letter-spacing: -0.02em; line-height: 0.98;
  margin-bottom: 1.2rem;
}
.hero-sub {
  font-family: var(--font-display); font-style: italic;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem); color: var(--ink-soft);
  max-width: 34ch; margin-bottom: 1.4rem;
}
.hero-lead { max-width: var(--measure); margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 1rem; }
.hero-note { font-size: 0.88rem; color: var(--ink-faint); }

.hero-art { min-width: 0; }
.keys-panel {
  background: var(--ink); border-radius: var(--radius);
  padding: clamp(1.4rem, 3vw, 2.2rem); box-shadow: var(--shadow);
  overflow: hidden;
}
.keys-panel-keys {
  display: flex; gap: 5px; height: clamp(150px, 22vw, 235px);
}
.key {
  flex: 1 1 0; background: linear-gradient(180deg, #fff 82%, #e8e6e0);
  border-radius: 0 0 4px 4px;
  box-shadow: inset 0 -8px 10px -8px rgba(16, 16, 20, 0.35);
}
.key-blk {
  flex: 0.6 1 0; height: 60%; align-self: flex-start;
  background: linear-gradient(180deg, #34343c, #0b0b10);
  border-radius: 0 0 3px 3px;
  box-shadow: 0 8px 14px rgba(0, 0, 0, 0.45);
}
.keys-panel-caption {
  margin-top: 1.1rem; color: #b9b9c2; font-size: 0.78rem;
  letter-spacing: 0.16em; text-transform: uppercase;
  font-family: var(--font-body);
}

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 480px; }
}

/* ── Section grids ──────────────────────────────────────────────────────── */
.three-col {
  display: grid; gap: clamp(1.2rem, 3vw, 2rem);
  grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 2.4rem;
}
.card {
  border-top: 2px solid var(--ink); padding-top: 1.4rem;
}
.card h3 { font-size: 1.3rem; margin-bottom: 0.7rem; }
.card p { color: var(--ink-soft); }
@media (max-width: 820px) { .three-col { grid-template-columns: 1fr; } }

.two-col {
  display: grid; gap: clamp(2rem, 5vw, 4.5rem);
  grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start;
}
.two-col p { margin-bottom: 1rem; color: var(--ink-soft); }
.two-col p strong { color: var(--ink); }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }

.monogram-panel {
  background: var(--paper-tint); border: 1px solid var(--line);
  border-radius: var(--radius); min-height: 320px;
  display: grid; place-items: center;
}
.monogram {
  font-family: var(--font-display); font-style: italic;
  font-size: clamp(5rem, 10vw, 9rem); font-weight: 300;
  color: var(--ink); letter-spacing: -0.03em;
}
.two-col-art .monogram-panel { max-width: 480px; }

/* ── CTA band ───────────────────────────────────────────────────────────── */
.cta-band { background: var(--ink); color: #fff; padding: clamp(4rem, 8vw, 6.5rem) 0; }
.cta-inner { text-align: center; max-width: 60ch; }
.cta-title {
  color: #fff; font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 440; margin-bottom: 1rem;
}
.cta-sub { color: #cfcfd8; font-size: 1.1rem; margin-bottom: 2rem; }

/* ── Gallery ────────────────────────────────────────────────────────────── */
.page-head { padding: clamp(3.5rem, 8vw, 6rem) 0 clamp(1rem, 3vw, 2rem); }
.page-title { font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 440; margin-bottom: 1.2rem; }
.page-lead { max-width: 62ch; color: var(--ink-soft); font-size: 1.12rem; }
.nf-head { text-align: center; padding-block: clamp(5rem, 12vw, 9rem); }
.nf-code {
  font-family: var(--font-display); font-style: italic;
  font-size: clamp(4rem, 10vw, 7rem); color: var(--line-strong);
  line-height: 1; margin-bottom: 0.5rem;
}
.nf-actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin-top: 2.4rem; }

.gallery-grid {
  display: grid; gap: clamp(1.6rem, 4vw, 2.8rem);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
}
.gallery-grid-teaser { margin-bottom: 2rem; }
.gallery-empty {
  border: 1px dashed var(--line-strong); border-radius: var(--radius);
  padding: 3rem 2rem; text-align: center; color: var(--ink-soft);
}
.video-card { min-width: 0; }
.video-frame {
  position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-s);
  overflow: hidden; background: var(--ink);
}
.video-placeholder {
  position: absolute; inset: 0; display: grid; place-items: center;
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.05) 0 34px, rgba(255,255,255,0.12) 34px 36px),
    radial-gradient(120% 90% at 20% 0%, #26262e 0%, #101014 60%);
}
.video-play-glyph {
  width: 64px; height: 64px; border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.85);
  display: grid; place-items: center; position: relative;
}
.video-play-glyph::after {
  content: ""; position: absolute; left: 24px; top: 22px;
  border-style: solid; border-width: 10px 0 10px 17px;
  border-color: transparent transparent transparent rgba(255,255,255,0.92);
  transform: translateX(2px);
}
.video-load {
  position: absolute; inset: 0; width: 100%; height: 100%;
  display: grid; place-items: center; gap: 0;
  background: transparent; border: 0; cursor: pointer;
}
.video-load-label {
  position: absolute; bottom: 14px; left: 14px;
  color: #fff; font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.45rem 0.9rem; border-radius: 999px;
  background: rgba(16, 16, 20, 0.55);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.video-load:hover .video-play-glyph, .video-load:focus-visible .video-play-glyph {
  background: rgba(255, 255, 255, 0.14); transform: scale(1.06);
}
.video-play-glyph { transition: transform 0.25s var(--ease), background 0.25s var(--ease); }
.video-embed {
  position: absolute; inset: 0; width: 100%; height: 100%;
  border: 0; display: none;
}
.video-frame.is-loaded .video-embed { display: block; }
.video-frame.is-loaded .video-load { display: none; }
.video-title { font-size: 1.25rem; margin: 1.1rem 0 0.5rem; }
.video-desc { color: var(--ink-soft); font-size: 0.98rem; }
.video-alt { font-size: 0.88rem; color: var(--ink-faint); margin-top: 0.6rem; }
.video-alt a { color: var(--ink-soft); text-decoration: underline; text-underline-offset: 3px; }
.video-alt a:hover { color: var(--ink); }

/* ── About flow ──────────────────────────────────────────────────────────── */
.about-panel { padding: clamp(4rem, 9vh, 7rem) 0; }
.about-panel-keys { background: var(--paper-tint); }
.about-panel-final { background: var(--ink); color: #fff; }
.about-panel-final .about-kicker { color: #cfcfd8; }
.about-panel-final .about-p-lg { color: #fff; }
.about-panel-final .about-p { color: #cfcfd8; }
.about-panel-inner { max-width: 68rem; }
.about-kicker {
  font-family: var(--font-display); font-style: italic;
  letter-spacing: 0.16em; text-transform: uppercase; font-size: 0.9rem;
  color: var(--ink-faint); margin-bottom: 1.6rem;
}
.about-lede {
  font-family: var(--font-display); font-style: italic; font-weight: 340;
  font-size: clamp(1.6rem, 4.2vw, 2.7rem); line-height: 1.25;
  max-width: 30ch; margin-inline: auto; text-align: center;
}
.about-panel:first-child .about-panel-inner { text-align: center; display: grid; place-items: center; }
.about-p { max-width: 62ch; margin-bottom: 1.2rem; color: var(--ink-soft); font-size: 1.1rem; }
.about-p-lg {
  font-family: var(--font-display); font-size: clamp(1.35rem, 2.8vw, 1.9rem);
  line-height: 1.3; max-width: 40ch; margin-bottom: 1.6rem;
}
.about-p-lg strong { font-weight: 560; }
.about-p-quiet { color: var(--ink-faint); font-size: 0.95rem; }
.about-actions { margin: 2.2rem 0 1.6rem; }
.scroll-hint {
  margin-top: 3rem; display: inline-grid; place-items: center;
  color: var(--ink-faint);
}
.scroll-hint-arrow {
  width: 1px; height: 44px; background: var(--line-strong);
  position: relative; overflow: visible;
}
.scroll-hint-arrow::after {
  content: ""; position: absolute; bottom: -1px; left: -4px;
  border-style: solid; border-width: 5px 4.5px 0 4.5px;
  border-color: var(--line-strong) transparent transparent transparent;
}

/* Gentle snapping: only on generous viewports, only when motion is welcome,
   and proximity (not mandatory) so users are never trapped. */
@media (min-width: 1024px) and (prefers-reduced-motion: no-preference) {
  .about-flow { scroll-snap-type: y proximity; }
  .about-panel { min-height: 100svh; display: grid; align-items: center; scroll-snap-align: start; }
  .scroll-hint { display: inline-grid; }
}
@media (max-width: 1023.98px), (prefers-reduced-motion: reduce) {
  .scroll-hint { display: none; }
}

/* ── Booking page & form ────────────────────────────────────────────────── */
.book-section { padding: clamp(2rem, 5vw, 4rem) 0 clamp(4rem, 8vw, 6rem); }
.book-grid {
  display: grid; gap: clamp(2.5rem, 6vw, 5rem);
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: start;
}
@media (max-width: 920px) { .book-grid { grid-template-columns: 1fr; } }

.book-form-panel {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.6rem, 4vw, 3rem);
  background: var(--paper);
  box-shadow: var(--shadow);
}
.inquiry-form { display: grid; gap: 1.5rem; }
.form-row-2col { display: grid; gap: 1.2rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .form-row-2col { grid-template-columns: 1fr; } }
.form-field { display: grid; gap: 0.45rem; }
.form-field label, .form-pref legend { font-weight: 600; font-size: 0.95rem; }
.req { color: var(--accent); }
.form-field input[type="text"], .form-field input[type="email"],
.form-field input[type="tel"], .form-field textarea {
  width: 100%; border: 0; border-bottom: 1.5px solid var(--line-strong);
  background: transparent; padding: 0.55rem 0.15rem; border-radius: 0;
  transition: border-color 0.25s var(--ease);
}
.form-field textarea { resize: vertical; min-height: 6.5rem; }
.form-field input:focus, .form-field textarea:focus {
  outline: none; border-bottom-color: var(--ink);
}
.form-field input[aria-invalid="true"], .form-field textarea[aria-invalid="true"] {
  border-bottom-color: var(--error);
}
.field-hint { font-size: 0.82rem; color: var(--ink-faint); }
.field-error {
  color: var(--error); font-size: 0.9rem; font-weight: 500;
  display: flex; gap: 0.4rem; align-items: baseline;
}
.field-error::before { content: "⚠"; font-size: 0.85em; }
.form-pref { border: 0; padding: 0; }
.pref-options { display: flex; gap: 2rem; margin-top: 0.5rem; }
.pref-option { display: inline-flex; align-items: center; gap: 0.55rem; }
.pref-option input { width: 1.15rem; height: 1.15rem; accent-color: var(--accent); }
.form-actions { display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; }
.form-note { font-size: 0.9rem; color: var(--ink-soft); }
.form-note.is-error { color: var(--error); font-weight: 600; }

.error-summary {
  border: 1.5px solid var(--error); border-radius: var(--radius-s);
  padding: 1.1rem 1.3rem; margin-bottom: 1.8rem; background: #fdf5f4;
}
.error-summary-title { font-family: var(--font-body); font-size: 1rem; margin-bottom: 0.5rem; color: var(--error); }
.error-summary ul { margin: 0; padding-left: 1.2rem; }
.error-summary a { color: var(--error); }

.form-success { text-align: center; padding: clamp(1rem, 4vw, 2rem) 0; }
.form-success-mark {
  width: 64px; height: 64px; margin: 0 auto 1.4rem; border-radius: 50%;
  border: 2px solid var(--ok); color: var(--ok);
  display: grid; place-items: center; font-size: 1.8rem; font-weight: 700;
}
.form-success-title { font-size: 1.6rem; margin-bottom: 1rem; }
.form-success p { color: var(--ink-soft); max-width: 48ch; margin: 0 auto 1rem; }
.form-success-alt { font-size: 0.9rem; color: var(--ink-faint); }

.book-aside h2 { font-size: 1.4rem; margin-bottom: 1.4rem; }
.aside-steps { list-style: none; counter-reset: step; padding: 0; display: grid; gap: 1.3rem; margin-bottom: 2.4rem; }
.aside-steps li { counter-increment: step; position: relative; padding-left: 3rem; color: var(--ink-soft); }
.aside-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: -0.15rem;
  font-family: var(--font-display); font-style: italic;
  font-size: 1.5rem; color: var(--accent);
}
.aside-note {
  background: var(--paper-tint); border-radius: var(--radius-s);
  padding: 1.4rem 1.6rem;
}
.aside-note h3 { font-size: 1.05rem; font-family: var(--font-body); font-weight: 700; margin-bottom: 0.6rem; }
.aside-note p { font-size: 0.92rem; color: var(--ink-soft); }

/* ── Dialog (progressive enhancement only) ───────────────────────────────── */
.book-dialog {
  border: 0; border-radius: var(--radius); padding: clamp(1.6rem, 4vw, 2.8rem);
  width: min(92vw, 560px); max-height: 88svh; overflow: auto;
  box-shadow: 0 30px 80px -20px rgba(16, 16, 20, 0.45);
}
.book-dialog::backdrop { background: rgba(16, 16, 20, 0.55); }
.dialog-close {
  position: absolute; top: 0.9rem; right: 0.9rem;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--paper);
  cursor: pointer; font-size: 1rem; line-height: 1;
  display: grid; place-items: center;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.dialog-close:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.dialog-title { font-size: 1.7rem; margin-bottom: 1.4rem; padding-right: 2.5rem; }
.dialog-alt { margin-top: 1.4rem; font-size: 0.88rem; color: var(--ink-faint); }
.dialog-alt a { text-decoration: underline; text-underline-offset: 3px; }
.book-dialog .inquiry-form { gap: 1.2rem; }

/* ── Footer ──────────────────────────────────────────────────────────────── */
.site-footer { background: var(--ink); color: #d4d4dc; padding: clamp(3rem, 7vw, 5rem) 0 2.5rem; }
.footer-inner {
  display: grid; gap: 2.5rem;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1.4fr);
  align-items: start;
}
.footer-wordmark {
  font-family: var(--font-display); font-style: italic;
  font-size: 1.8rem; color: #fff; margin-bottom: 0.4rem;
}
.footer-tagline { color: #b9b9c2; }
.footer-nav ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.7rem; }
.footer-nav a { color: #d4d4dc; text-decoration: none; font-weight: 500; }
.footer-nav a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.footer-meta p { margin-bottom: 0.8rem; max-width: 46ch; }
.footer-fine { color: #8a8a93; font-size: 0.85rem; }
@media (max-width: 820px) { .footer-inner { grid-template-columns: 1fr; } }

/* ── Reveal animation (progressive: only when JS is present) ─────────────── */
html.js .reveal {
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
html.js .reveal.is-revealed { opacity: 1; transform: none; }
html.js .about-panel:not(.is-revealed) .about-panel-inner > * {
  opacity: 0; transform: translateY(18px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}
html.js .about-panel.is-revealed .about-panel-inner > * { opacity: 1; transform: none; }
html.js .about-panel:first-child .about-panel-inner > * { transition-delay: 0.05s; }

/* ── Reduced motion ──────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html.js .reveal, html.js .about-panel .about-panel-inner > * {
    opacity: 1 !important; transform: none !important;
  }
}

/* ── Large-text / small-screen safety ────────────────────────────────────── */
@media (max-width: 560px) {
  body { font-size: 1rem; }
  .hero-actions .btn { width: 100%; }
  .pref-options { gap: 1.2rem; }
}