/* ============================================================
   THE PERSONA LAB — light lavender gallery page
   Scoped under body.pl-page; loaded ONLY on persona-lab.html so
   it never touches the global dark theme on other pages.
   ============================================================ */
.pl-page {
  --pl-bg:#F1EFFA; --pl-surface:#FFFFFF; --pl-text:#1E1B2E; --pl-muted:#6B6480;
  --pl-violet:#065F46; --pl-violet-2:#047857; --pl-soft:#D1FAE5; --pl-border:#E8E1F7;
  --pl-dark:#0F1A14; --pl-dark-accent:#34D399;
  --pl-shadow: 0 1px 3px rgba(0,0,0,.05), 0 10px 30px rgba(6, 95, 70,.06);
  background: var(--pl-bg);
  color: var(--pl-muted);
}
.pl-page .pl-section { padding: clamp(80px, 12vw, 140px) 0; position: relative; }
.pl-wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.pl-label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--pl-violet); display: inline-block; margin-bottom: 18px;
}
.pl-page h1, .pl-page h2, .pl-page h3 {
  font-family: var(--font-serif); color: var(--pl-text); font-weight: 600; letter-spacing: -.02em;
}
.pl-h2 { font-size: clamp(30px, 4.5vw, 46px); line-height: 1.08; margin-bottom: 14px; }
.pl-sub { font-size: 18px; line-height: 1.6; color: var(--pl-muted); max-width: 680px; }
.pl-center { text-align: center; }
.pl-center .pl-sub { margin-left: auto; margin-right: auto; }

/* ---- scroll reveal (single IO in persona-lab.js) ---- */
.pl-reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease-out, transform .6s ease-out; }
.pl-reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .pl-reveal { opacity: 1 !important; transform: none !important; transition: none !important; } }

/* ---- buttons ---- */
.pl-btn {
  display: inline-flex; align-items: center; gap: 9px; border-radius: 14px;
  font-family: var(--font-display); font-weight: 500; font-size: 15px; padding: 14px 28px;
  cursor: pointer; border: 1px solid transparent; white-space: nowrap;
  transition: background .15s, color .15s, border-color .15s, transform .15s, box-shadow .15s;
}
.pl-btn-primary { background: var(--pl-violet); color: #fff; }
.pl-btn-soft    { background: var(--pl-soft); color: var(--pl-violet-2); }
.pl-btn-ghost   { background: transparent; color: var(--pl-text); border-color: var(--pl-border); }
.pl-arrow { display: inline-block; transition: transform .15s; }
.pl-btn:active { transform: scale(.98); }
@media (hover: hover) and (pointer: fine) {
  .pl-btn-primary:hover { background: var(--pl-violet-2); transform: translateY(-1px); box-shadow: 0 10px 30px rgba(6, 95, 70,.25); }
  .pl-btn-soft:hover    { background: #A7F3D0; transform: translateY(-1px); }
  .pl-btn-ghost:hover   { border-color: var(--pl-violet); background: #fff; }
  .pl-btn:hover .pl-arrow { transform: translateX(3px); }
}

/* ============================================================
   NAV + FOOTER — light adaptation (this page only)
   ============================================================ */
.pl-page #navbar.scrolled {
  background: rgba(244,241,251,.82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--pl-border);
}
.pl-page .nav-links a { color: var(--pl-muted); }
.pl-page .nav-links a:not(.btn-primary):hover { color: var(--pl-text); }
.pl-page .nav-links .nav-cta { background: var(--pl-violet); color: #fff; }
.pl-page .nav-toggle span { background: var(--pl-text); }
/* PLACEHOLDER: swap for a dark-on-light logo asset; filter just darkens the light logo so it reads on lavender */
.pl-page .nav-logo img, .pl-page .footer-logo img { filter: brightness(0); }
@media (max-width: 640px) {
  .pl-page .nav-links { background: rgba(255,255,255,.97); border-bottom-color: var(--pl-border); box-shadow: var(--pl-shadow); }
}
.pl-page #footer { background: linear-gradient(180deg, #FFFFFF, #ECEAF6); border-top: 1px solid var(--pl-border); }
.pl-page #footer .footer-orb { display: none; }
.pl-page #footer h5 { color: var(--pl-text); }
.pl-page #footer .footer-col a, .pl-page #footer .footer-email, .pl-page #footer .footer-socials a { color: var(--pl-muted); }
.pl-page #footer .footer-col a:hover, .pl-page #footer .footer-email:hover, .pl-page #footer .footer-socials a:hover { color: var(--pl-violet); }
.pl-page #footer .footer-copy { border-top-color: var(--pl-border); }

/* ============================================================
   HERO
   ============================================================ */
.pl-hero {
  min-height: 84vh; display: flex; align-items: center; justify-content: center;
  text-align: center; position: relative; overflow: hidden; padding: 132px 24px 80px;
}
.pl-hero-glow {
  position: absolute; width: 900px; height: 900px; border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 95, 70,.16) 0%, rgba(6, 95, 70,.05) 40%, transparent 70%);
  top: -12%; left: 50%; transform: translateX(-50%); filter: blur(80px); pointer-events: none; z-index: 0;
}
.pl-hero-inner { position: relative; z-index: 1; max-width: 820px; }
.pl-hero h1 { font-size: clamp(40px, 6.4vw, 72px); line-height: 1.04; margin: 18px 0 22px; }
.pl-hero h1 em { font-style: italic; color: var(--pl-violet); }
.pl-hero .pl-sub { font-size: clamp(17px, 2vw, 20px); margin: 0 auto 36px; }

/* ============================================================
   01 · GALLERY — flip cards + tilt
   ============================================================ */
.pl-gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 56px; }
@media (max-width: 900px) { .pl-gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .pl-gallery-grid { grid-template-columns: 1fr; max-width: 360px; margin-left: auto; margin-right: auto; } }

.pl-card { position: relative; aspect-ratio: 3/4; perspective: 1200px; cursor: pointer; }
.pl-card-inner {
  position: relative; width: 100%; height: 100%; border-radius: 18px;
  transform-style: preserve-3d; transition: transform .5s cubic-bezier(.2,.7,.2,1);
  transform: rotateX(var(--tx,0deg)) rotateY(var(--ty,0deg));
}
.pl-card.flipped .pl-card-inner { transform: rotateX(var(--tx,0deg)) rotateY(calc(var(--ty,0deg) + 180deg)); }
@media (hover: hover) and (pointer: fine) {
  .pl-card:hover .pl-card-inner { transform: rotateX(var(--tx,0deg)) rotateY(calc(var(--ty,0deg) + 180deg)); }
}
.pl-face {
  position: absolute; inset: 0; border-radius: 18px; overflow: hidden;
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
  box-shadow: var(--pl-shadow); border: 1px solid var(--pl-border);
}
.pl-face-front { background: linear-gradient(160deg, #13241B, #0F1A14); }
.pl-face-front img { width: 100%; height: 100%; object-fit: cover; }
.pl-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,11,26,.88) 0%, rgba(15,11,26,.15) 46%, transparent 70%); }
.pl-card-meta { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px; text-align: left; z-index: 2; }
.pl-card-meta .pl-name { font-family: var(--font-serif); font-weight: 600; font-size: 24px; color: #fff; }
.pl-card-meta .pl-niche { font-size: 13px; color: #A7F3D0; margin-top: 2px; }
.pl-badge {
  position: absolute; top: 14px; left: 14px; z-index: 3; font-family: var(--font-mono);
  font-size: 9.5px; letter-spacing: .1em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px;
  background: rgba(255,255,255,.16); color: #fff; -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,.22);
}
.pl-badge.flagship { background: var(--pl-violet); border-color: transparent; }
.pl-flip-hint { position: absolute; top: 14px; right: 14px; z-index: 3; color: #fff; opacity: .65; }
.pl-face-back { background: var(--pl-surface); transform: rotateY(180deg); display: flex; flex-direction: column; padding: 26px; text-align: left; }
.pl-face-back .pl-name { font-family: var(--font-serif); font-weight: 600; font-size: 21px; color: var(--pl-text); }
.pl-chips { display: flex; flex-wrap: wrap; gap: 7px; }
.pl-chip { font-size: 11px; font-weight: 500; color: var(--pl-violet-2); background: var(--pl-soft); border-radius: 7px; padding: 5px 10px; }
/* card back — identity + capability + CTA */
.pl-back-niche { font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; color: var(--pl-violet); margin-top: 3px; }
.pl-bio { font-size: 14px; color: var(--pl-text); line-height: 1.55; margin: 16px 0 10px; }
.pl-capability { font-size: 12.5px; color: var(--pl-muted); line-height: 1.55; margin-bottom: auto; }
.pl-back-cta { margin-top: 18px; font-size: 14px; font-weight: 600; color: var(--pl-violet); display: inline-flex; align-items: center; gap: 6px; }
@media (hover: hover) and (pointer: fine) { .pl-back-cta:hover { color: var(--pl-violet-2); } }
/* flagship emphasis */
.pl-card.flagship .pl-face-front { box-shadow: 0 0 0 2px var(--pl-violet), var(--pl-shadow); }
.pl-card.flagship .pl-face { border-color: transparent; }

/* "in the lab" placeholder cards */
.pl-card-lab {
  aspect-ratio: auto; min-height: 300px; align-self: start; border-radius: 18px; border: 2px dashed #CDEBD9; background: rgba(255,255,255,.5);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; text-align: center; padding: 36px 24px; color: var(--pl-muted);
}
.pl-lab-plus { width: 52px; height: 52px; border-radius: 50%; background: var(--pl-soft); color: var(--pl-violet); display: flex; align-items: center; justify-content: center; font-size: 28px; font-weight: 300; }
.pl-lab-title { font-family: var(--font-serif); font-weight: 600; color: var(--pl-text); font-size: 18px; }
.pl-lab-sub { font-size: 13px; max-width: 200px; line-height: 1.5; }

/* reduced motion: flip becomes a fade, no tilt */
@media (prefers-reduced-motion: reduce) {
  .pl-card-inner { transform: none !important; transition: none; }
  .pl-face-back { transform: none; opacity: 0; transition: opacity .3s; }
  .pl-face-front { transition: opacity .3s; }
  .pl-card.flipped .pl-face-back { opacity: 1; }
  .pl-card.flipped .pl-face-front { opacity: 0; }
}

/* ============================================================
   02 · FLAGSHIP CASE STUDY — CIRA
   ============================================================ */
.pl-cira { background: var(--pl-surface); }
.pl-cira-grid { display: grid; grid-template-columns: 420px 1fr; gap: 56px; align-items: center; margin-top: 48px; }
@media (max-width: 860px) { .pl-cira-grid { grid-template-columns: 1fr; gap: 32px; } }
.pl-cira-portrait { width: 100%; border-radius: 18px; box-shadow: var(--pl-shadow); border: 1px solid var(--pl-border); aspect-ratio: 3/4; object-fit: cover; background: linear-gradient(160deg, #13241B, #0F1A14); }
.pl-cira-story p { font-size: 16px; line-height: 1.8; color: var(--pl-muted); margin-bottom: 16px; }
.pl-cira-story em { color: var(--pl-text); font-style: italic; }
.pl-cira-chips { margin: 18px 0 26px; }

/* ============================================================
   03 · PIPELINE — hover/tap reveals a visual
   ============================================================ */
.pl-pipeline { display: flex; align-items: stretch; justify-content: center; flex-wrap: wrap; gap: 0; margin-top: 56px; }
.pl-step { background: var(--pl-surface); border: 1px solid var(--pl-border); border-radius: 16px; width: 176px; padding: 20px 16px; text-align: center; box-shadow: var(--pl-shadow); position: relative; cursor: pointer; }
.pl-step-n { font-family: var(--font-mono); font-size: 10px; color: var(--pl-violet); letter-spacing: .1em; }
.pl-step-title { font-family: var(--font-serif); font-weight: 600; color: var(--pl-text); font-size: 16px; margin: 6px 0 4px; }
.pl-step-tool { font-size: 12px; color: var(--pl-muted); }
.pl-step-visual { margin-top: 0; height: 0; opacity: 0; overflow: hidden; transition: height .35s ease, opacity .35s ease, margin-top .35s ease; border-radius: 10px; }
.pl-step-visual > * { width: 100%; height: 100px; object-fit: cover; border-radius: 10px; display: block; }
.pl-step.open .pl-step-visual { height: 100px; opacity: 1; margin-top: 14px; }
@media (hover: hover) and (pointer: fine) { .pl-step:hover .pl-step-visual { height: 100px; opacity: 1; margin-top: 14px; } }
.pl-pipe-arrow { align-self: center; color: var(--pl-violet); opacity: .55; width: 38px; text-align: center; font-size: 18px; flex-shrink: 0; }
@media (max-width: 820px) { .pl-pipeline { flex-direction: column; align-items: center; } .pl-step { width: 100%; max-width: 320px; } .pl-pipe-arrow { transform: rotate(90deg); height: 24px; } }
/* placeholder visuals */
.pl-viz { background: linear-gradient(160deg, #13241B, #0F1A14); }
.pl-viz-wave { background: var(--pl-soft); display: flex; align-items: center; justify-content: center; gap: 3px; padding: 0 12px; }
.pl-viz-wave span { display: block; width: 3px; border-radius: 2px; background: var(--pl-violet); }
.pl-viz-film { background: #0F1A14; display: flex; gap: 4px; padding: 8px; }
.pl-viz-film i { flex: 1; border-radius: 4px; background: linear-gradient(160deg, #3a2560, #1d1238); }

/* ============================================================
   04 · USE CASES
   ============================================================ */
.pl-usecases { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 52px; }
@media (max-width: 860px) { .pl-usecases { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .pl-usecases { grid-template-columns: 1fr; } }
.pl-uc { background: var(--pl-surface); border: 1px solid var(--pl-border); border-radius: 16px; padding: 26px; box-shadow: var(--pl-shadow); transition: transform .2s, box-shadow .2s; }
@media (hover: hover) and (pointer: fine) { .pl-uc:hover { transform: translateY(-4px); box-shadow: 0 1px 3px rgba(0,0,0,.05), 0 18px 40px rgba(6, 95, 70,.10); } }
.pl-uc-ico { width: 46px; height: 46px; border-radius: 12px; background: var(--pl-soft); color: var(--pl-violet); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.pl-uc h3 { font-size: 17px; margin-bottom: 6px; }
.pl-uc p { font-size: 13.5px; color: var(--pl-muted); line-height: 1.55; }

/* ============================================================
   05 · DARK CTA (the single dark section)
   ============================================================ */
.pl-page .pl-cta { background: var(--pl-dark); text-align: center; position: relative; overflow: hidden; padding-top: clamp(108px, 14vw, 172px); padding-bottom: clamp(108px, 14vw, 172px); }
.pl-cta-glow { position: absolute; width: 760px; height: 760px; border-radius: 50%; background: radial-gradient(circle, rgba(52, 211, 153,.16), transparent 68%); filter: blur(70px); top: 50%; left: 50%; transform: translate(-50%,-50%); pointer-events: none; }
.pl-cta .pl-wrap { position: relative; z-index: 1; }
.pl-cta .pl-label { color: var(--pl-dark-accent); }
.pl-cta h2 { color: #F5F0FF; font-size: clamp(32px, 5vw, 58px); line-height: 1.18; margin: 0 auto 18px; padding-bottom: 0.08em; overflow: visible; }
.pl-cta .pl-sub { color: #C9D9CD; margin: 0 auto 32px; }
.pl-cta-row { display: inline-flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.pl-cta .pl-btn-soft { background: rgba(52, 211, 153,.14); color: #BBF0D2; }
.pl-cta .pl-btn-soft:hover { background: rgba(52, 211, 153,.22); }