/* ============================================================
   0 → 1 Journey — Conversational Scenario Interface (CSI)
   Extends styles.css (EdPlus @ ASU system). Page-specific only.
   ============================================================ */

/* ---------- Sub-page hero ---------- */
.jhero{
  position:relative; background:var(--neutral-900); color:#fff; overflow:hidden;
  padding:clamp(140px,20vh,210px) var(--gutter) clamp(64px,9vh,110px);
}
.jhero::before{
  content:""; position:absolute; width:90vmax; height:90vmax; left:-32vmax; top:-44vmax;
  background:radial-gradient(circle at center, rgba(255,198,39,.40), transparent 60%); pointer-events:none;
}
.jhero::after{
  content:""; position:absolute; right:-24vmax; bottom:-30vmax; width:62vmax; height:62vmax;
  background:radial-gradient(circle at center, rgba(255,198,39,.14), transparent 62%); pointer-events:none;
}
.jhero .wrap{ position:relative; z-index:2; }
.back-link{
  display:inline-flex; align-items:center; gap:9px; font-family:var(--font-display); font-weight:500;
  font-size:14px; letter-spacing:.02em; color:var(--asu-gold); margin-bottom:30px;
}
.back-link .ar{ transition:transform .2s ease; }
.back-link:hover .ar{ transform:translateX(-4px); }
.jhero .eyebrow{ color:#fff; }
.jhero h1{
  font-family:var(--font-display); font-weight:700; letter-spacing:var(--tracking-tight);
  font-size:clamp(38px,6vw,84px); line-height:.97; margin:22px 0 0; max-width:16ch;
}
.jhero h1 .accent{ color:var(--asu-gold); }
.jhero-sub{ font-size:clamp(17px,1.6vw,22px); line-height:1.5; color:#dcdcdc; max-width:54ch; margin-top:26px; }

/* meta row */
.jmeta{ display:flex; flex-wrap:wrap; gap:clamp(26px,4vw,56px); margin-top:46px; }
.jmeta .item{ border-top:3px solid var(--asu-gold); padding-top:14px; }
.jmeta .k{
  font-family:var(--font-display); font-weight:700; letter-spacing:var(--tracking-tight);
  font-size:clamp(24px,3vw,34px); line-height:1; color:#fff;
}
.jmeta .v{ margin-top:7px; font-size:13.5px; letter-spacing:.04em; text-transform:uppercase; color:var(--fg-3); color:#9a9a9a; }

/* ---------- Journey layout: sticky rail + stages ---------- */
.journey{ background:var(--neutral-0); padding:clamp(48px,7vw,96px) var(--gutter) clamp(40px,6vw,80px); }
.journey-grid{
  max-width:var(--maxw); margin:0 auto;
  display:grid; grid-template-columns:232px 1fr; gap:clamp(36px,5vw,72px); align-items:start;
}

/* progress rail */
.rail{ position:sticky; top:104px; align-self:start; }
.rail-title{
  font-family:var(--font-display); font-weight:300; font-size:12px; letter-spacing:var(--tracking-eyebrow);
  text-transform:uppercase; color:var(--fg-3); margin-bottom:22px;
}
.rail-list{ list-style:none; margin:0; padding:0; position:relative; }
.rail-list::before{
  content:""; position:absolute; left:17px; top:8px; bottom:8px; width:2px; background:var(--neutral-200);
}
.rail-fill{
  position:absolute; left:17px; top:8px; width:2px; height:0; background:var(--asu-gold);
  transition:height .25s ease; z-index:1;
}
.rail-item{ position:relative; z-index:2; }
.rail-link{
  display:flex; align-items:center; gap:14px; padding:9px 0; cursor:pointer;
  color:var(--fg-3); transition:color .2s ease;
}
.rail-num{
  width:36px; height:36px; flex:none; border-radius:50%; display:grid; place-items:center;
  background:var(--neutral-0); border:2px solid var(--neutral-200);
  font-family:var(--font-display); font-weight:700; font-size:13px; letter-spacing:0;
  color:var(--fg-3); transition:all .25s ease;
}
.rail-label{
  font-family:var(--font-display); font-weight:500; font-size:14.5px; letter-spacing:-0.01em;
  line-height:1.15; transition:color .2s ease;
}
.rail-link:hover{ color:var(--fg-1); }
.rail-link:hover .rail-num{ border-color:var(--neutral-400); }
.rail-item.active .rail-link{ color:var(--fg-1); }
.rail-item.active .rail-num{ background:var(--asu-gold); border-color:var(--asu-gold); color:var(--neutral-900); box-shadow:0 6px 16px rgba(255,198,39,.4); }
.rail-item.active .rail-label{ font-weight:700; color:var(--neutral-900); }
.rail-item.done .rail-num{ border-color:var(--asu-gold); color:var(--asu-gold-deep); }

/* ---------- Stages ---------- */
.stages{ min-width:0; display:flex; flex-direction:column; gap:clamp(64px,9vw,120px); padding-bottom:40px; }
.stage{ scroll-margin-top:104px; display:grid; grid-template-columns:1fr; gap:clamp(24px,3vw,40px); }
.stage-head{ display:flex; align-items:baseline; gap:16px; flex-wrap:wrap; }
.stage-kicker{
  font-family:var(--font-display); font-weight:700; letter-spacing:var(--tracking-tight);
  font-size:clamp(40px,5vw,66px); line-height:.9; color:var(--asu-gold-deep);
}
.stage-title{
  font-family:var(--font-display); font-weight:700; letter-spacing:var(--tracking-tight);
  font-size:clamp(26px,3.2vw,40px); line-height:1.04; color:var(--neutral-900);
}
.stage-body{ display:grid; grid-template-columns:1.15fr .85fr; gap:clamp(28px,3.4vw,48px); align-items:start; }
.stage--rev .stage-body{ grid-template-columns:.85fr 1.15fr; }
.stage--rev .stage-shot{ order:2; }
.stage--rev .stage-copy{ order:1; }

.stage-copy{ display:flex; flex-direction:column; gap:26px; }
.stage-narrative{ font-size:clamp(16px,1.5vw,19px); line-height:1.55; color:var(--fg-2); }

/* artifacts / methods */
.artifacts .lbl,
.decision .lbl{
  font-family:var(--font-display); font-weight:300; font-size:11.5px; letter-spacing:var(--tracking-eyebrow);
  text-transform:uppercase; color:var(--fg-3); margin-bottom:13px;
  display:flex; align-items:center; gap:.7em;
}
.artifacts .lbl::before,
.decision .lbl::before{ content:""; width:24px; height:2px; background:currentColor; opacity:.5; }
.chips{ display:flex; flex-wrap:wrap; gap:9px; }
.chip{
  font-family:var(--font-text); font-weight:500; font-size:13.5px; letter-spacing:-0.01em;
  padding:8px 14px; border-radius:var(--radius-pill); color:var(--fg-1);
  background:var(--neutral-50); border:1.5px solid var(--neutral-200); transition:border-color .2s, background .2s;
}
.chip:hover{ border-color:var(--asu-gold); background:var(--asu-gold-light); }

/* key decision callout */
.decision{
  background:var(--neutral-1000); color:#fff; padding:24px 26px; border-radius:var(--radius-sm);
  position:relative; overflow:hidden;
}
.decision .lbl{ color:var(--asu-gold); }
.decision .lbl::before{ background:var(--asu-gold); opacity:1; }
.decision p{
  font-family:var(--font-display); font-weight:500; font-size:clamp(16px,1.55vw,19px); line-height:1.3;
  letter-spacing:var(--tracking-tight); color:#fff;
}

/* ---------- Screenshot frame (browser chrome) ---------- */
.stage-shot{ min-width:0; }
.shot{
  border:2px solid var(--neutral-200); border-radius:var(--radius-md); overflow:hidden;
  background:var(--neutral-0); box-shadow:var(--shadow-card); cursor:zoom-in;
  transition:transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s ease;
}
@media (hover:hover){ .shot:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lift); } }
.shot-bar{
  display:flex; align-items:center; gap:8px; padding:11px 14px;
  background:var(--neutral-75); border-bottom:1px solid var(--neutral-200);
}
.shot-bar .dot{ width:11px; height:11px; border-radius:50%; background:var(--neutral-300); flex:none; }
.shot-bar .dot:nth-child(1){ background:#FF5F57; } .shot-bar .dot:nth-child(2){ background:#FEBC2E; } .shot-bar .dot:nth-child(3){ background:#28C840; }
.shot-url{
  margin-left:10px; flex:1; min-width:0; font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:12px; color:var(--fg-3); background:var(--neutral-0); border:1px solid var(--neutral-200);
  border-radius:var(--radius-pill); padding:5px 14px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.shot-canvas{
  position:relative; aspect-ratio:16/10; display:grid; place-items:center; padding:24px;
  background:var(--neutral-50);
  background-image:repeating-linear-gradient(135deg, var(--neutral-100) 0 14px, var(--neutral-50) 14px 28px);
}
.shot-canvas.has-shot{ padding:0; background:#0a0a0b; background-image:none; }
.shot-canvas .shot-img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:top center; display:block;
}
.lightbox .shot-canvas.has-shot .shot-img{ object-fit:contain; }
.shot-tag{
  position:absolute; top:14px; left:14px; font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:11px; letter-spacing:.04em; text-transform:uppercase; color:var(--fg-3);
  background:var(--neutral-0); border:1px solid var(--neutral-200); border-radius:var(--radius-xs); padding:4px 9px;
}
.shot-label{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:clamp(13px,1.3vw,15px);
  color:var(--neutral-600); text-align:center; line-height:1.5; max-width:30ch;
}
.shot-label b{ display:block; font-weight:700; color:var(--neutral-800); margin-bottom:4px; font-size:1.05em; }
.shot-hint{
  display:block; margin-top:14px; font-size:11px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--neutral-400); font-family:var(--font-text);
}

/* ---------- Lightbox ---------- */
.lightbox{
  position:fixed; inset:0; z-index:300; display:none; place-items:center; padding:5vw;
  background:rgba(15,15,15,.78); -webkit-backdrop-filter:blur(3px); backdrop-filter:blur(3px);
  opacity:0; transition:opacity .3s ease;
}
.lightbox.show{ display:grid; }
.lightbox.in{ opacity:1; }
.lightbox-inner{
  width:min(1040px,94vw); max-height:88vh; overflow:hidden; border-radius:var(--radius-md);
  box-shadow:0 40px 120px rgba(0,0,0,.5); transform:scale(.97); transition:transform .3s cubic-bezier(.2,.7,.2,1);
}
.lightbox.in .lightbox-inner{ transform:scale(1); }
.lightbox .shot-canvas{ aspect-ratio:16/9; cursor:default; }
.lightbox-close{
  position:absolute; top:max(18px,3vh); right:max(18px,3vw); width:46px; height:46px; border-radius:50%;
  border:0; background:rgba(255,255,255,.12); color:#fff; font-size:24px; line-height:1; cursor:pointer;
  display:grid; place-items:center; transition:background .2s;
}
.lightbox-close:hover{ background:var(--asu-gold); color:var(--neutral-900); }

/* ---------- Closing CTA ---------- */
.jcta{ background:var(--neutral-900); color:#fff; position:relative; overflow:hidden;
  padding:clamp(72px,10vw,130px) var(--gutter); }
.jcta::before{ content:""; position:absolute; width:90vmax; height:90vmax; left:-30vmax; top:-44vmax;
  background:radial-gradient(circle at center, rgba(255,198,39,.40), transparent 60%); pointer-events:none; }
.jcta .wrap{ position:relative; z-index:2; max-width:var(--maxw); margin:0 auto; }
.jcta .eyebrow{ color:#fff; }
.jcta h2{ font-family:var(--font-display); font-weight:700; letter-spacing:var(--tracking-tight);
  font-size:clamp(34px,5.4vw,68px); line-height:.98; margin:18px 0 22px; max-width:16ch; }
.jcta p{ color:#dcdcdc; font-size:clamp(17px,1.6vw,21px); line-height:1.5; max-width:48ch; margin-bottom:36px; }
.jcta-ctas{ display:flex; flex-wrap:wrap; gap:14px; }

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .journey-grid{ grid-template-columns:1fr; gap:0; }
  .rail{
    position:sticky; top:0; z-index:40; margin:0 calc(var(--gutter) * -1); padding:14px var(--gutter);
    background:rgba(255,255,255,.94); -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px);
    box-shadow:0 1px 0 var(--neutral-150);
  }
  .rail-title{ display:none; }
  .rail-list{ display:flex; gap:10px; overflow-x:auto; padding-bottom:4px; scrollbar-width:none; }
  .rail-list::-webkit-scrollbar{ display:none; }
  .rail-list::before, .rail-fill{ display:none; }
  .rail-link{ padding:4px 0; }
  .rail-label{ display:none; }
  .rail-item.active .rail-label{
    display:block; position:absolute; left:0; top:46px; white-space:nowrap; font-size:12px;
  }
  .stages{ padding-top:34px; }
  .stage-body{ grid-template-columns:1fr; gap:28px; }
  .stage--rev .stage-body{ grid-template-columns:1fr; }
  .stage--rev .stage-shot{ order:1; }
  .stage--rev .stage-copy{ order:2; }
}
@media (max-width:560px){
  .stage-head{ gap:10px; }
  .jmeta{ gap:24px; }
}
@media (prefers-reduced-motion:reduce){
  .shot, .lightbox, .lightbox-inner, .rail-fill{ transition:none; }
}