/* ==========================================================================
   PIPEPONS ($PiPo) — Case File Noir design system
   ========================================================================== */

:root{
  --ink: #0f0b08;
  --bg: #1a130e;
  --bg-alt: #211913;
  --panel: #2a2019;
  --panel-light: #342820;
  --parchment: #ece1c8;
  --parchment-dark: #d9caa4;
  --parchment-ink: #241c14;
  --brass: #c4914c;
  --brass-light: #e8c88a;
  --brass-dark: #7a5527;
  --line-navy: #23212f;
  --text: #ece4d6;
  --text-dim: #b8a892;
  --text-faint: #8a7c69;
  --shadow: rgba(0,0,0,.55);
  --radius: 14px;
  --serif: "Playfair Display", "Georgia", serif;
  --type: "Special Elite", "Courier New", monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ease: cubic-bezier(.22,.9,.28,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: auto;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }
svg{ fill:currentColor; }
::selection{ background: var(--brass); color: var(--ink); }

.br-desktop{ display:inline; }

/* ---- layout helpers ---- */
.section{ position:relative; padding: 7rem 0; }
.section-inner{ max-width: 1180px; margin:0 auto; padding: 0 1.5rem; position:relative; }
.section-head{ text-align:center; max-width: 640px; margin: 0 auto 3.5rem; }
.section-title{
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  margin: .4rem 0 1rem;
  color: var(--parchment);
  letter-spacing: .01em;
}
.lede{ color: var(--text-dim); font-size: 1.08rem; max-width: 52ch; margin: 0 auto; }
.tag-stamp{
  display:inline-block;
  font-family: var(--type);
  font-size: .72rem;
  letter-spacing:.14em;
  text-transform: uppercase;
  color: var(--brass-light);
  border: 1px solid rgba(196,145,76,.45);
  padding: .35rem .85rem;
  border-radius: 999px;
  background: rgba(196,145,76,.08);
}

/* ==========================================================================
   Background texture layers (grain + vignette, fixed full-viewport)
   ========================================================================== */
.grain-overlay{
  position: fixed; inset:0; z-index: 30; pointer-events:none;
  background-image: url("../img/grain.png");
  background-size: 150px 150px;
  opacity:.35;
  mix-blend-mode: overlay;
}
.vignette-overlay{
  position: fixed; inset:0; z-index: 29; pointer-events:none;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0) 45%, rgba(0,0,0,.55) 100%);
}

/* ==========================================================================
   Custom magnifying-glass cursor (desktop, fine pointer only)
   ========================================================================== */
.magnify-cursor{
  position: fixed; top:0; left:0; width:56px; height:56px;
  transform: translate(-9999px,-9999px);
  pointer-events:none; z-index: 9999;
  will-change: transform;
  transition: opacity .2s ease;
}
@media (hover:hover) and (pointer:fine){
  body.cursor-ready{ cursor:none; }
  body.cursor-ready a, body.cursor-ready button{ cursor:none; }
}
@media (hover:none), (pointer:coarse){
  .magnify-cursor{ display:none; }
}

/* ==========================================================================
   Loader
   ========================================================================== */
.loader{
  position: fixed; inset:0; z-index: 200;
  background: radial-gradient(ellipse at 50% 40%, #241a12 0%, #0f0b08 78%);
  display:flex; align-items:center; justify-content:center;
  transition: opacity .8s var(--ease), visibility .8s var(--ease);
}
.loader.is-hidden{ opacity:0; visibility:hidden; }
.loader-tweed-edge{
  position:absolute; inset:0;
  background-image: url("../img/tweed-tile.webp");
  background-size: 220px;
  opacity:.06;
  mix-blend-mode: overlay;
}
.loader-inner{ position:relative; text-align:center; padding: 2rem; }
.loader-img{
  width: min(46vw, 260px);
  filter: drop-shadow(0 20px 40px rgba(0,0,0,.6));
  animation: loaderFloat 3.2s ease-in-out infinite;
  margin: 0 auto 1.4rem;
}
@keyframes loaderFloat{
  0%,100%{ transform: translateY(0px); }
  50%{ transform: translateY(-14px); }
}
.loader-wordmark{
  font-family: var(--serif); font-weight: 800; letter-spacing:.06em;
  font-size: clamp(1.6rem, 5vw, 2.4rem); color: var(--parchment);
}
.loader-wordmark span{ color: var(--brass); }
.loader-bar-track{
  width: min(70vw, 280px); height: 3px; margin: 1.4rem auto .7rem;
  background: rgba(236,225,200,.14); border-radius: 4px; overflow:hidden;
}
.loader-bar-fill{
  width:0%; height:100%;
  background: linear-gradient(90deg, var(--brass-dark), var(--brass-light));
  transition: width .25s ease-out;
}
.loader-status{
  font-family: var(--type); font-size:.75rem; letter-spacing:.08em;
  color: var(--text-faint); text-transform: uppercase;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 100;
  transition: background .35s var(--ease), box-shadow .35s var(--ease), padding .35s var(--ease);
  padding: .6rem 0;
}
.site-header.is-scrolled{
  background: rgba(15,11,8,.86);
  backdrop-filter: blur(10px) saturate(1.1);
  box-shadow: 0 6px 24px rgba(0,0,0,.35);
  border-bottom: 1px solid rgba(196,145,76,.14);
}
.header-inner{
  max-width: 1180px; margin:0 auto; padding: .3rem 1.5rem;
  display:flex; align-items:center; justify-content:space-between; gap: 1.5rem;
}
.brand{ display:flex; align-items:center; gap:.6rem; flex-shrink:0; }
.brand-seal{ width:34px; height:34px; border-radius:50%; box-shadow: 0 0 0 2px rgba(196,145,76,.5), 0 4px 12px rgba(0,0,0,.4); }
.brand-text{
  font-family: var(--serif); font-weight:800; letter-spacing:.03em;
  font-size: 1.15rem; color: var(--parchment); white-space:nowrap;
}
.accent{ color: var(--brass); }

.main-nav{ display:flex; gap: 1.8rem; }
.nav-link{
  font-family: var(--type); font-size:.78rem; text-transform:uppercase; letter-spacing:.08em;
  color: var(--text-dim); position:relative; padding: .3rem 0;
  transition: color .25s ease;
}
.nav-link::after{
  content:""; position:absolute; left:0; right:100%; bottom:-2px; height:1px;
  background: var(--brass); transition: right .3s var(--ease);
}
.nav-link:hover{ color: var(--parchment); }
.nav-link:hover::after{ right:0; }

.header-actions{ display:flex; align-items:center; gap:.7rem; }
.icon-btn{
  width:38px; height:38px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background: rgba(236,225,200,.06);
  border: 1px solid rgba(196,145,76,.3);
  color: var(--parchment);
  transition: transform .25s var(--ease), background .25s ease, color .25s ease, border-color .25s ease;
}
.icon-btn svg{ width:17px; height:17px; }
.icon-btn:hover{ background: var(--brass); color: var(--ink); transform: translateY(-3px) rotate(-6deg); border-color: var(--brass); }

.burger{
  display:none; flex-direction:column; gap:5px; background:none; border:none; padding:8px;
}
.burger span{ width:22px; height:2px; background:var(--parchment); transition: transform .3s ease, opacity .3s ease; }
.burger.is-active span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.burger.is-active span:nth-child(2){ opacity:0; }
.burger.is-active span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.mobile-nav{
  display:none; flex-direction:column; gap: 1.1rem;
  background: rgba(15,11,8,.98); border-top: 1px solid rgba(196,145,76,.16);
  padding: 1.4rem 1.5rem 1.8rem;
  max-height:0; overflow:hidden; opacity:0;
  transition: max-height .4s var(--ease), opacity .3s ease, padding .4s ease;
}
.mobile-nav.is-open{ max-height: 420px; opacity:1; }
.mobile-nav .nav-link{ font-size: .95rem; }
.mobile-nav-socials{ display:flex; gap:.7rem; margin: .3rem 0; }
.mobile-nav-socials .icon-btn{ border-radius: 8px; width:auto; padding: .5rem 1rem; font-family: var(--type); font-size:.7rem; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.55rem;
  font-family: var(--sans); font-weight:700; font-size:.92rem; letter-spacing:.02em;
  padding: .85rem 1.6rem; border-radius: 10px; border: 1px solid transparent;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s ease, color .25s ease, border-color .25s ease;
  white-space: nowrap;
}
.btn-icon{ width:18px; height:18px; flex-shrink:0; }
.btn-brass{
  background: linear-gradient(160deg, var(--brass-light), var(--brass) 55%, var(--brass-dark));
  color: #241505;
  box-shadow: 0 10px 24px -8px rgba(196,145,76,.55), inset 0 1px 0 rgba(255,255,255,.3);
}
.btn-brass:hover{ transform: translateY(-3px); box-shadow: 0 16px 30px -10px rgba(196,145,76,.7), inset 0 1px 0 rgba(255,255,255,.35); }
.btn-outline{
  background: rgba(236,225,200,.03);
  color: var(--parchment);
  border-color: rgba(236,225,200,.35);
}
.btn-outline:hover{ background: rgba(236,225,200,.1); border-color: var(--parchment); transform: translateY(-3px); }
.btn-large{ padding: 1.05rem 2.1rem; font-size:1rem; border-radius: 12px; }
.btn-small{ padding: .55rem 1.1rem; font-size:.8rem; border-radius: 8px; }

/* CA tag */
.ca-tag{
  display:inline-flex; align-items:center; gap:.7rem; flex-wrap:wrap;
  background: rgba(20,15,10,.55);
  border: 1px dashed rgba(196,145,76,.5);
  border-radius: 10px; padding: .6rem .9rem; margin-top: 1.6rem;
  backdrop-filter: blur(4px);
}
.ca-tag--center{ display:flex; margin: 2.6rem auto 0; width:fit-content; max-width:100%; }
.ca-label{
  font-family: var(--type); font-size:.66rem; letter-spacing:.1em; text-transform:uppercase;
  color: var(--brass-light); flex-shrink:0;
}
.ca-value{
  font-family: "DejaVu Sans Mono", monospace; font-size:.8rem; color: var(--text);
  overflow-wrap:anywhere; max-width: 46vw;
}
.ca-copy{
  display:flex; align-items:center; gap:.35rem;
  background: rgba(196,145,76,.14); border: 1px solid rgba(196,145,76,.4);
  color: var(--brass-light); border-radius:6px; padding:.35rem .6rem; font-size:.72rem;
  transition: background .2s ease, color .2s ease;
  flex-shrink:0;
}
.ca-copy svg{ width:13px; height:13px; }
.ca-copy:hover{ background: var(--brass); color:#241505; }
.ca-copy.is-copied{ background: var(--brass); color:#241505; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position: relative; min-height: 100svh; display:flex; align-items:center;
  overflow:hidden; padding: 7.5rem 0 4rem;
}
.hero-bg{ position:absolute; inset:0; z-index:0; }
.hero-bg-img{ width:100%; height:100%; object-fit:cover; opacity:.9; transform: scale(1.05); }
.hero-tweed-wash{
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(15,11,8,.35) 0%, rgba(15,11,8,.55) 55%, var(--bg) 100%),
              url("../img/tweed-tile.webp");
  background-size: auto, 260px;
  background-blend-mode: normal, overlay;
  opacity:1;
}
.hero-tweed-wash{ mix-blend-mode: normal; }

.hero-inner{
  position:relative; z-index:2; max-width:1180px; margin:0 auto; padding:0 1.5rem;
  display:grid; grid-template-columns: 1.05fr .95fr; gap: 2rem; align-items:center; width:100%;
}
.eyebrow{
  font-family: var(--type); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase;
  color: var(--brass-light); margin: 0 0 .9rem;
}
.hero-title{
  font-family: var(--serif); font-weight:900; letter-spacing:.01em;
  font-size: clamp(2.6rem, 7vw, 5.2rem); line-height:.98; margin:0;
  color: var(--parchment);
  text-shadow: 0 8px 30px rgba(0,0,0,.4);
}
.hero-ticker{
  font-family: var(--type); color: var(--brass); font-size: clamp(1.1rem,2.4vw,1.5rem);
  margin:.5rem 0 1.1rem; letter-spacing:.03em;
}
.hero-tagline{ color: var(--text-dim); font-size:1.08rem; max-width:46ch; margin: 0 0 1.9rem; }
.hero-actions{ display:flex; gap:1rem; flex-wrap:wrap; }

.hero-figure{
  position:relative; display:flex; align-items:center; justify-content:center;
  perspective: 1200px;
}
.hero-figure-glow{
  position:absolute; width:78%; aspect-ratio:1/1; border-radius:50%;
  background: radial-gradient(circle, rgba(196,145,76,.35), transparent 70%);
  filter: blur(10px); z-index:0;
}
.hero-figure-img{
  position:relative; z-index:1; width: min(100%, 480px);
  filter: drop-shadow(0 30px 50px rgba(0,0,0,.55));
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform .15s ease-out;
}

.magnify-decor{
  position:absolute; width:120px; height:120px; color: rgba(196,145,76,.18);
  pointer-events:none; z-index:1;
}
.magnify-decor--1{ top:12%; right:6%; animation: floatRotate 9s ease-in-out infinite; }
@keyframes floatRotate{
  0%,100%{ transform: translateY(0) rotate(0deg); }
  50%{ transform: translateY(-20px) rotate(8deg); }
}

.case-stamp{
  position:absolute; z-index:1; font-family: var(--type); font-size:.7rem; letter-spacing:.1em;
  text-transform:uppercase; color: rgba(196,145,76,.55); border:2px solid rgba(196,145,76,.35);
  padding: .3rem .6rem; border-radius:4px; transform: rotate(-8deg);
}
.case-stamp--hero{ top: 6.5rem; left: 1.5rem; }

.scroll-cue{
  position:absolute; bottom: 1.8rem; left:50%; transform: translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:.3rem; z-index:2;
  font-family: var(--type); font-size:.65rem; letter-spacing:.1em; text-transform:uppercase;
  color: var(--text-faint); animation: bob 2.2s ease-in-out infinite;
}
.scroll-cue svg{ width:18px; height:18px; }
@keyframes bob{ 0%,100%{ transform: translate(-50%,0);} 50%{ transform: translate(-50%,8px);} }

/* ==========================================================================
   Marquee
   ========================================================================== */
.marquee{
  position:relative; overflow:hidden; white-space:nowrap;
  background: linear-gradient(90deg, var(--brass-dark), var(--brass) 50%, var(--brass-dark));
  padding: .9rem 0; border-top: 1px solid rgba(0,0,0,.2); border-bottom: 1px solid rgba(0,0,0,.2);
}
.marquee-track{ display:inline-flex; gap: 1.1rem; animation: marquee 26s linear infinite; }
.marquee-track span{
  font-family: var(--type); font-size:.85rem; letter-spacing:.1em; text-transform:uppercase; color:#241505;
}
@keyframes marquee{ 0%{ transform:translateX(0); } 100%{ transform:translateX(-50%); } }

/* ==========================================================================
   Case File / Lore section
   ========================================================================== */
.case-file{ background: var(--bg-alt); }
.case-file-grid{
  display:grid; grid-template-columns: 1.1fr .9fr; gap: 3.5rem; align-items:center;
  margin-bottom: 4.5rem;
}
.case-file-copy p{ color: var(--text-dim); }
.case-file-copy .lede{ color: var(--parchment); margin:0 0 1rem; text-align:left; font-family: var(--serif); font-size:1.25rem; }
.lore-signoff{ margin-top:1.3rem; font-family: var(--type); font-size:.78rem; color: var(--text-faint); }

.evidence-photo{
  position:relative; background: var(--parchment) url("../img/parchment.webp") center/cover;
  padding: 1rem 1rem 2.6rem; border-radius: 6px;
  box-shadow: 0 24px 50px -18px rgba(0,0,0,.6), 0 0 0 1px rgba(0,0,0,.05);
  transform: rotate(2deg);
  transition: transform .4s var(--ease);
}
.evidence-photo:hover{ transform: rotate(0deg) scale(1.02); }
.evidence-photo img{ border-radius:3px; }
.evidence-caption{
  position:absolute; bottom: .9rem; left:1rem; font-family: var(--type);
  font-size:.72rem; color: var(--parchment-ink); opacity:.7;
}
.tape{
  position:absolute; width:70px; height:26px;
  background: rgba(236,225,200,.55); border: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 4px 10px rgba(0,0,0,.25);
}
.tape--tl{ top:-12px; left:20px; transform: rotate(-8deg); }
.tape--br{ bottom:6px; right:14px; transform: rotate(6deg); }

.exhibits{ display:grid; grid-template-columns: repeat(3,1fr); gap: 1.4rem; }
.exhibit-card{
  position:relative; border:none; padding:0; background: var(--panel);
  border-radius: 10px; overflow:hidden; text-align:left;
  box-shadow: 0 14px 30px -14px rgba(0,0,0,.6);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.exhibit-card:hover{ transform: translateY(-6px); box-shadow: 0 22px 40px -16px rgba(0,0,0,.7); }
.exhibit-card img{ width:100%; aspect-ratio: 1/1; object-fit:cover; filter: saturate(.9); transition: transform .5s ease, filter .4s ease; }
.exhibit-card:hover img{ transform: scale(1.08); filter: saturate(1.05); }
.exhibit-label{
  display:block; padding: .8rem 1rem; font-family: var(--type); font-size:.72rem;
  letter-spacing:.06em; text-transform:uppercase; color: var(--brass-light);
  background: linear-gradient(0deg, rgba(15,11,8,.9), rgba(15,11,8,.2));
}

/* ==========================================================================
   How to buy
   ========================================================================== */
.howtobuy{ background: var(--bg); }
.steps-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 1.4rem; }
.step-card{
  position:relative; background: var(--panel); border: 1px solid rgba(196,145,76,.14);
  border-radius: var(--radius); padding: 2rem 1.4rem 1.6rem;
  transition: transform .35s var(--ease), border-color .3s ease, box-shadow .35s ease;
}
.step-card:hover{ transform: translateY(-8px); border-color: rgba(196,145,76,.5); box-shadow: 0 20px 34px -18px rgba(0,0,0,.7); }
.step-number{
  position:absolute; top:-14px; right:16px; font-family: var(--serif); font-weight:800;
  font-size:2.2rem; color: rgba(196,145,76,.18);
}
.step-icon{
  width:46px; height:46px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  background: rgba(196,145,76,.12); color: var(--brass-light); margin-bottom:1rem;
}
.step-icon svg{ width:22px; height:22px; }
.step-card h3{ font-family: var(--serif); color: var(--parchment); margin:0 0 .5rem; font-size:1.15rem; }
.step-card p{ color: var(--text-dim); font-size:.92rem; margin:0; }

/* ==========================================================================
   Surveillance / Chart
   ========================================================================== */
.surveillance{ background: var(--bg-alt); }
.chart-frame{
  background: var(--panel); border-radius: var(--radius); overflow:hidden;
  border: 1px solid rgba(196,145,76,.18);
  box-shadow: 0 30px 60px -24px rgba(0,0,0,.7);
}
.chart-frame-bar{
  display:flex; align-items:center; gap:.4rem; padding: .8rem 1rem;
  background: var(--panel-light); border-bottom: 1px solid rgba(196,145,76,.14);
}
.chart-dot{ width:10px; height:10px; border-radius:50%; background: rgba(236,225,200,.2); }
.chart-dot:first-child{ background:#b5675a; }
.chart-dot:nth-child(2){ background:#c9a24a; }
.chart-dot:nth-child(3){ background:#6f9e78; }
.chart-frame-title{
  margin-left: .6rem; font-family: var(--type); font-size:.72rem; letter-spacing:.08em;
  color: var(--text-faint); text-transform:uppercase;
}
.chart-embed-wrap{ position:relative; width:100%; aspect-ratio: 16/10; background:#0b0906; }
.chart-embed-wrap iframe{ width:100%; height:100%; border:0; }
.chart-fallback{
  position:absolute; inset:0; margin:auto; width:fit-content; height:fit-content;
  display:none;
}
.chart-embed-wrap.needs-fallback iframe{ display:none; }
.chart-embed-wrap.needs-fallback .chart-fallback{ display:inline-flex; }

/* ==========================================================================
   Timeline / Roadmap
   ========================================================================== */
.timeline{ background: var(--bg); }
.corkboard{ position:relative; display:flex; flex-direction:column; gap: 3rem; padding-top: 1rem; }
.string-line{
  position:absolute; left:50%; top:0; bottom:0; width:2px; transform: translateX(-50%);
  background: repeating-linear-gradient(to bottom, rgba(196,145,76,.55) 0 10px, transparent 10px 18px);
  z-index:0;
}
.phase-card{
  position:relative; z-index:1; max-width: 480px; background: var(--panel);
  border: 1px solid rgba(196,145,76,.16); border-radius: var(--radius);
  padding: 1.8rem 1.9rem; margin-right:auto;
  box-shadow: 0 20px 40px -20px rgba(0,0,0,.65);
}
.phase-card--right{ margin-right:0; margin-left:auto; }
.pin{
  position:absolute; top:-9px; left: 24px; width:16px; height:16px; border-radius:50%;
  background: radial-gradient(circle at 35% 30%, var(--brass-light), var(--brass-dark));
  box-shadow: 0 4px 8px rgba(0,0,0,.5);
}
.phase-card--right .pin{ left:auto; right:24px; }
.phase-tag{
  font-family: var(--type); font-size:.7rem; letter-spacing:.1em; text-transform:uppercase; color: var(--brass-light);
}
.phase-card h3{ font-family: var(--serif); color: var(--parchment); font-size:1.4rem; margin:.4rem 0 .6rem; }
.phase-card p{ color: var(--text-dim); margin:0; font-size:.95rem; }

/* ==========================================================================
   Final CTA
   ========================================================================== */
.final-cta{
  background: radial-gradient(ellipse at 50% 20%, rgba(196,145,76,.14), transparent 60%), var(--bg-alt);
  text-align:center;
}
.final-cta-inner{ display:flex; flex-direction:column; align-items:center; gap: 1rem; }
.final-cta .btn{ margin-top: .8rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{ background: var(--ink); padding: 4rem 0 2rem; border-top: 1px solid rgba(196,145,76,.15); }
.footer-case-tabs{ display:flex; flex-wrap:wrap; justify-content:center; gap: .6rem; margin-bottom: 3rem; }
.case-tab{
  font-family: var(--type); font-size:.76rem; letter-spacing:.06em; text-transform:uppercase;
  color: var(--text-dim); background: var(--panel); border: 1px solid rgba(196,145,76,.2);
  padding: .7rem 1.3rem; border-radius: 8px 8px 2px 2px;
  transition: transform .25s var(--ease), color .25s ease, border-color .25s ease, background .25s ease;
}
.case-tab:hover{ transform: translateY(-4px); color: var(--brass-light); border-color: var(--brass); background: var(--panel-light); }

.footer-main{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between;
  gap: 1.4rem; padding-bottom: 2.4rem; margin-bottom: 2rem;
  border-bottom: 1px solid rgba(236,225,200,.1);
}
.footer-brand{ display:flex; align-items:center; gap:.6rem; }
.footer-socials{ display:flex; gap:.6rem; }
.footer-main .ca-tag{ margin-top:0; }

.disclaimer{ font-size:.78rem; color: var(--text-faint); max-width: 760px; margin: 0 auto 1rem; text-align:center; }
.copyright{ text-align:center; font-family: var(--type); font-size:.72rem; color: var(--text-faint); margin:0; }

/* ==========================================================================
   Exhibit modal (lightbox)
   ========================================================================== */
.exhibit-modal{
  position: fixed; inset:0; z-index: 300; display:flex; align-items:center; justify-content:center;
  background: rgba(10,7,5,.88); backdrop-filter: blur(6px);
  opacity:0; visibility:hidden; transition: opacity .3s ease, visibility .3s ease;
  padding: 2rem;
}
.exhibit-modal.is-open{ opacity:1; visibility:visible; }
.exhibit-modal-inner{ position:relative; max-width: 560px; width:100%; text-align:center; }
.exhibit-modal-inner img{ width:100%; border-radius: 10px; box-shadow: 0 30px 60px rgba(0,0,0,.6); }
.exhibit-modal-inner p{ font-family: var(--type); color: var(--brass-light); margin-top:1rem; font-size:.85rem; letter-spacing:.05em; text-transform:uppercase; }
.exhibit-close{
  position:absolute; top:-46px; right:0; background:none; border:none; color: var(--parchment);
  font-size:2rem; line-height:1;
}

/* ==========================================================================
   Scroll reveal (base state — JS adds .is-visible)
   ========================================================================== */
[data-reveal]{ opacity:0; transform: translateY(36px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal].is-visible{ opacity:1; transform: translateY(0); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px){
  .main-nav, .header-actions{ display:none; }
  .burger{ display:flex; }
  .mobile-nav{ display:flex; }
  .hero-inner{ grid-template-columns: 1fr; text-align:center; }
  .hero-copy{ order:2; }
  .hero-figure{ order:1; }
  .hero-actions{ justify-content:center; }
  .ca-tag{ margin-left:auto; margin-right:auto; }
  .case-file-grid{ grid-template-columns: 1fr; }
  .case-file-copy .lede{ text-align:center; }
  .case-file-copy{ text-align:center; }
  .exhibits{ grid-template-columns: repeat(3,1fr); }
  .steps-grid{ grid-template-columns: repeat(2,1fr); }
  .phase-card, .phase-card--right{ margin-left:auto; margin-right:auto; max-width: 92%; }
  .string-line{ left: 6px; }
  .br-desktop{ display:none; }
}
@media (max-width: 620px){
  .exhibits{ grid-template-columns: 1fr; }
  .steps-grid{ grid-template-columns: 1fr; }
  .section{ padding: 4.5rem 0; }
  .ca-value{ max-width: 60vw; font-size:.7rem; }
  .footer-main{ flex-direction:column; text-align:center; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior:auto !important; }
}