/* ==========================================================================
   Home bio scroll — adapted from rock-bio/public/wesley.html
   Spec: wpvivid/design/BIO_SCROLL_SPECS.md (locked 2026-10-05)
   Text-forward v1. No photographs. Chapters: overture · identity · career ·
   01 film · 02 technology · 03 discretion · close · imprint.

   Readable without JS/GSAP: everything stacks. Motion-only layout
   (absolute .bio-swap lines, horizontal technology track) is gated behind
   html.bio-motion, which js/bio.js adds only after GSAP has loaded and only
   when prefers-reduced-motion is not set.
   ========================================================================== */
.bio {
  --bio-ink: #0B0B0C;
  --bio-bone: #E9E5DD;
  --bio-bronze: #B8956A;
  --bio-muted: #A39E93;
  --bio-line: #2C2A26;
  --bio-serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --bio-sans: "Instrument Sans", ui-sans-serif, system-ui, sans-serif;

  position: relative;
  background: var(--bio-ink);
  color: var(--bio-bone);
  font-family: var(--bio-sans);
  font-size: 1rem;
  line-height: 1.5;
}

.bio ::selection { background: var(--bio-bronze); color: var(--bio-ink); }
.bio :focus-visible { outline: 1px solid var(--bio-bronze); outline-offset: 3px; }

/* ---- Chrome: progress bar, chapter label, bottom dock ------------------- */
.bio-chrome {
  --bio-ink: #0B0B0C;
  --bio-bone: #E9E5DD;
  --bio-bronze: #B8956A;
  --bio-muted: #A39E93;
  --bio-line: #2C2A26;
  font-family: "Instrument Sans", ui-sans-serif, system-ui, sans-serif;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.45s ease, visibility 0s linear 0.45s;
}
html.is-in-bio .bio-chrome {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.45s ease, visibility 0s;
}

.bio-progress {
  position: fixed; top: 0; right: 0; width: 2px; height: 100vh; height: 100dvh; z-index: 40;
  background: color-mix(in srgb, var(--bio-bone) 14%, transparent); pointer-events: none;
}
.bio-progress > span {
  display: block; width: 100%; height: 100%; background: var(--bio-bronze);
  transform: scaleY(0); transform-origin: top center;
}
.bio-chapter-label {
  position: fixed; top: 1rem; right: 1.2rem; z-index: 40; pointer-events: none; margin: 0;
  color: var(--bio-bone);
  font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase;
}
.bio-dock {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  background: color-mix(in srgb, var(--bio-ink) 94%, transparent);
  border-top: 1px solid var(--bio-line);
  padding-bottom: env(safe-area-inset-bottom);
}
.bio-dock button {
  min-height: 52px; padding: 0.55rem 0.3rem 0.7rem;
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 0.1rem;
  color: var(--bio-muted); letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.6rem;
  position: relative; background: none; border: 0; cursor: pointer;
}
.bio-dock button span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
.bio-dock button i { color: var(--bio-bronze); font-style: normal; font-size: 0.58rem; letter-spacing: 0.16em; }
.bio-dock button::before {
  content: ""; position: absolute; left: 0.4rem; right: 0.4rem; top: 0; height: 1px;
  background: var(--bio-line); transform: scaleX(0.3); transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1), background 0.4s;
}
.bio-dock button.is-active { color: var(--bio-bone); }
.bio-dock button.is-active::before { transform: scaleX(1); background: var(--bio-bronze); }
.bio-dock button:active { scale: 0.96; }

/* Logo lives over the hero only; it steps aside once the bio takes over. */
.site-header { transition: opacity 0.45s ease, visibility 0s linear 0s; }
html.is-past-hero body[data-page="home"] .site-header {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.45s ease, visibility 0s linear 0.45s;
}

/* ---- Shared section type ------------------------------------------------ */
.bio-pin { position: relative; min-height: 100vh; min-height: 100dvh; }
.bio h2,
.bio .bio-eyebrow {
  margin: 0; font-family: var(--bio-sans); font-weight: 500; font-size: 0.68rem;
  letter-spacing: 0.22em; text-transform: uppercase; line-height: 1.5;
}
.bio h2 span, .bio .bio-eyebrow span { color: var(--bio-bronze); margin-right: 0.55em; }
.bio-body, .bio-verse, .bio-breath p, .bio-closer { text-wrap: pretty; }

/* Overture: the name */
#overture .bio-pin {
  display: grid; align-items: end; align-content: end; overflow: hidden;
  padding: 0 1.25rem 11.5rem; /* phone: raise Initial / Wesley (bottom-pinned) */
}
.bio .bio-eyebrow { margin: 0 0 1rem; color: var(--bio-bronze); }
.bio h1 {
  margin: 0; font-family: var(--bio-serif); font-weight: 400;
  font-size: clamp(4.2rem, 16vw, 10.5rem); line-height: 0.84; letter-spacing: -0.035em;
}
.bio h1 .ln { display: block; }
.bio h1 .ln-italic { font-style: italic; margin-left: 0.12em; }
.bio-scroll-hint {
  margin: 1.6rem 0 0; color: var(--bio-muted); letter-spacing: 0.2em;
  text-transform: uppercase; font-size: 0.62rem;
}

/* Breaths: short sentences between chapters */
.bio-breath {
  min-height: 100vh; min-height: 100dvh; display: grid; align-items: center;
  padding: 18vh 1.25rem;
}
.bio-breath p {
  margin: 0; max-width: 16ch; font-family: var(--bio-serif); font-style: italic; font-weight: 400;
  font-size: clamp(2rem, 5.4vw, 4.4rem); line-height: 1.05; letter-spacing: -0.03em;
}

/* Film: one large line at a time, full sentence underneath */
.bio-chapter .bio-pin {
  display: flex; flex-direction: column; justify-content: center;
  padding: 5.5rem 1.25rem 6.5rem;
}
.bio-swap { margin: 0.8rem 0 1.2rem; }
.bio-swap span {
  display: block; font-family: var(--bio-serif); font-weight: 400;
  font-size: clamp(2.6rem, 7vw, 5.4rem); line-height: 0.94; letter-spacing: -0.03em;
}
.bio-body { margin: 0; max-width: 38ch; color: var(--bio-muted); font-size: 1.02rem; line-height: 1.55; }

/* Technology: the paragraph, then its clauses as a track */
.bio-track { display: flex; flex-direction: column; gap: 1.75rem; margin-top: 2rem; }
.bio-track article { border-top: 1px solid var(--bio-line); padding-top: 0.8rem; }
.bio-track em {
  display: block; color: var(--bio-bronze); font-style: normal; font-size: 0.64rem;
  letter-spacing: 0.18em; margin-bottom: 0.35rem;
}
.bio-track h3 {
  margin: 0; font-family: var(--bio-serif); font-weight: 400;
  font-size: clamp(1.8rem, 4vw, 3rem); line-height: 0.96; letter-spacing: -0.03em;
}
.bio-grid {
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--bio-bone) 7%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--bio-bone) 7%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
}

/* Discretion: read, don't scrub (never pinned) */
#discretion { padding: 22vh 1.25rem 18vh; max-width: 46rem; }
#discretion .bio-eyebrow { margin-bottom: 1.6rem; }
.bio-verse {
  margin: 0 0 1.6rem; font-family: var(--bio-serif); font-weight: 400;
  font-size: clamp(1.45rem, 2.6vw, 2.05rem); line-height: 1.35; letter-spacing: -0.02em; max-width: 28ch;
}
.bio-verse-italic { font-style: italic; }

/* Close */
#close .bio-pin {
  display: grid; align-items: center; align-content: center;
  padding: 6rem 1.25rem 7rem;
}
.bio-closer {
  margin: 0.8rem 0 0; max-width: 18ch; font-family: var(--bio-serif); font-style: italic; font-weight: 400;
  font-size: clamp(2rem, 4.6vw, 3.8rem); line-height: 1.08; letter-spacing: -0.03em;
}
.bio-imprint {
  display: flex; flex-wrap: wrap; gap: 0.6rem 1.5rem; justify-content: space-between;
  padding: 2rem 1.25rem 6.5rem; border-top: 1px solid var(--bio-line);
  color: var(--bio-muted); letter-spacing: 0.16em; text-transform: uppercase; font-size: 0.62rem;
}
.bio-imprint p { margin: 0; }

@media (min-width: 900px) {
  #overture .bio-pin { padding: 0 8vw 14vh 4.5rem; }
  .bio-breath { padding-left: 8vw; padding-right: 8vw; }
  .bio-chapter .bio-pin { padding: 5rem 8vw 5.5rem 4.5rem; }
  .bio-split { display: grid; grid-template-columns: minmax(16rem, 0.8fr) minmax(0, 1.2fr); gap: 4vw; align-items: center; }
  #discretion { padding-left: 8vw; }
  #close .bio-pin, .bio-imprint { padding-left: 4.5rem; }
  .bio-dock button { letter-spacing: 0.14em; font-size: 0.66rem; align-items: flex-start; padding-left: 0.8rem; }

  /* Motion-only layouts (GSAP loaded, motion allowed) */
  html.bio-motion .bio-swap { min-height: 1.05em; position: relative; font-size: clamp(2.6rem, 7vw, 5.4rem); }
  html.bio-motion .bio-swap span { position: absolute; left: 0; right: 0; top: 0; }
  html.bio-motion .bio-swap span:not(:first-child) { opacity: 0; visibility: hidden; }
  html.bio-motion #technology .bio-pin { overflow: hidden; }
  html.bio-motion .bio-viewport {
    overflow: hidden;
    /* Soft left/right edges so card titles don't hard-clip mid-word */
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  }
  html.bio-motion .bio-track {
    flex-direction: row; align-items: stretch; width: max-content; gap: 4vw;
    margin-top: 0; padding-right: 10vw;
  }
  html.bio-motion .bio-track article { width: min(34vw, 420px); flex: none; border-top: 0; padding-top: 0; }
}

/* Reduced motion: static stack, nothing hidden, no pins (JS never loads GSAP). */
@media (prefers-reduced-motion: reduce) {
  .bio-swap span { position: relative !important; opacity: 1 !important; visibility: visible !important; }
  .bio-chrome, html.is-in-bio .bio-chrome { transition: none; }
}