/* =============================================
   Lesson 14 — Institutional Adoption
   Unique component styles + indigo theme
   ============================================= */

/* ---- Indigo accent variables ---- */
:root {
  --indigo:      #6366f1;
  --indigo-dim:  rgba(99,102,241,0.12);
  --indigo-mid:  rgba(99,102,241,0.22);
}

/* Override shared blue-based styles with indigo for this lesson */
[data-lesson="14"] .hero-grid { background-image:linear-gradient(rgba(99,102,241,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(99,102,241,.04) 1px,transparent 1px); }
[data-lesson="14"] .hero-glow { background:radial-gradient(ellipse 75% 55% at 50% 0%,rgba(99,102,241,.15) 0%,rgba(3,136,166,.08) 45%,transparent 70%); }
[data-lesson="14"] .ghost-num { color:rgba(99,102,241,.04); }
[data-lesson="14"] .series-badge { background:var(--indigo-dim); border-color:rgba(99,102,241,.35); color:var(--indigo); }
[data-lesson="14"] .series-badge::before { background:var(--indigo); }
[data-lesson="14"] .hero h1 .accent { color:var(--indigo); }
[data-lesson="14"] .scroll-line { background:linear-gradient(to bottom,var(--indigo),transparent); }
[data-lesson="14"] .section-label { color:var(--indigo); }
[data-lesson="14"] .highlight-box { background:var(--indigo-dim); border-color:rgba(99,102,241,.25); border-left-color:var(--indigo); }
[data-lesson="14"] .divider { background:linear-gradient(to right,transparent,rgba(99,102,241,.2),transparent); }
[data-lesson="14"] .stat-num { color:var(--indigo); }
[data-lesson="14"] .cta-section::before { background:radial-gradient(ellipse 70% 60% at 50% 50%,rgba(99,102,241,.08) 0%,transparent 70%); }
[data-lesson="14"] .cta-btn { background:linear-gradient(135deg,var(--indigo),var(--blue-light)); }
[data-lesson="14"] .cta-btn:hover { box-shadow:0 16px 40px rgba(99,102,241,.3); }
[data-lesson="14"] .cta-btn.secondary { background:transparent; border-color:rgba(99,102,241,.4); color:var(--indigo); }
[data-lesson="14"] .cta-btn.secondary:hover { background:var(--indigo-dim); border-color:var(--indigo); }
[data-lesson="14"] .series-pill.active { background:var(--indigo-dim); border-color:rgba(99,102,241,.5); color:var(--indigo); }

/* ---- TIER BADGE ---- */
.tier-badge { display:inline-flex; align-items:center; gap:6px; background:rgba(3,136,166,.1); border:1px solid rgba(3,136,166,.25); border-radius:6px; padding:4px 12px; font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.15em; color:var(--blue-light); text-transform:uppercase; margin-bottom:16px; }

/* ---- INSTITUTION TICKER (hero) ---- */
.institution-ticker { margin-top:52px; opacity:0; animation:fadeUp .8s ease .8s forwards; width:100%; max-width:700px; overflow:hidden; background:var(--navy-light); border:1px solid rgba(99,102,241,.2); border-radius:14px; padding:18px 0; }
.ticker-label { font-family:"DM Mono",monospace; font-size:8px; letter-spacing:.2em; color:rgba(99,102,241,.6); text-transform:uppercase; text-align:center; margin-bottom:14px; }
.ticker-track { display:flex; gap:20px; animation:ticker 40s linear infinite; width:max-content; }
.ticker-item { background:var(--indigo-dim); border:1px solid rgba(99,102,241,.2); border-radius:8px; padding:6px 14px; font-family:"DM Mono",monospace; font-size:.78rem; color:rgba(255,255,255,.8); white-space:nowrap; flex-shrink:0; }
@keyframes ticker { from{transform:translateX(0)} to{transform:translateX(-50%)} }

/* ---- CATEGORY TABS ---- */
.cat-tabs { display:flex; gap:10px; flex-wrap:wrap; margin-bottom:32px; }
.cat-tab { font-family:"DM Mono",monospace; font-size:10px; letter-spacing:.15em; text-transform:uppercase; padding:10px 22px; border-radius:30px; border:1px solid rgba(99,102,241,.25); background:transparent; color:var(--white-dim); cursor:pointer; transition:all .25s; }
.cat-tab.active { background:var(--indigo-dim); border-color:rgba(99,102,241,.5); color:var(--indigo); }
.cat-content { display:none; }
.cat-content.active { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:20px; }

/* ---- INSTITUTION CARDS ---- */
.inst-card { background:var(--navy-light); border:1px solid rgba(99,102,241,.15); border-radius:16px; padding:28px; position:relative; overflow:hidden; transition:transform .3s,box-shadow .3s; }
.inst-card::before { content:""; position:absolute; top:0; left:0; width:100%; height:3px; background:linear-gradient(90deg,var(--indigo),rgba(99,102,241,.4)); }
.inst-card:hover { transform:translateY(-4px); box-shadow:0 20px 50px rgba(0,0,0,.4); }
.inst-card .ic-header { display:flex; align-items:flex-start; justify-content:space-between; margin-bottom:14px; gap:12px; }
.inst-card .ic-name { font-family:"Lora",serif; font-size:1.1rem; font-weight:700; }
.inst-card .ic-type { font-family:"DM Mono",monospace; font-size:8px; letter-spacing:.18em; color:var(--indigo); text-transform:uppercase; padding:3px 8px; background:var(--indigo-dim); border-radius:6px; white-space:nowrap; }
.inst-card .ic-activity { font-size:.875rem; color:var(--white-dim); margin-bottom:12px; line-height:1.7; }
.inst-card .ic-deal { background:var(--indigo-dim); border-radius:8px; padding:10px 14px; font-size:.8rem; line-height:1.6; }
.inst-card .ic-deal .deal-label { font-family:"DM Mono",monospace; font-size:8px; letter-spacing:.15em; color:var(--indigo); text-transform:uppercase; margin-bottom:3px; }
.inst-card .ic-deal p { margin:0; color:rgba(255,255,255,.8); }

/* ---- ADOPTION PHASES ---- */
.adoption-phases { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:52px; }
.phase-card { border-radius:16px; padding:32px; position:relative; }
.phase-card.past { background:rgba(94,219,160,.06); border:1px solid rgba(94,219,160,.25); }
.phase-card.now { background:var(--indigo-dim); border:1px solid rgba(99,102,241,.35); }
.phase-card.future { background:rgba(3,136,166,.06); border:1px solid rgba(3,136,166,.2); }
.phase-num { font-family:"Lora",serif; font-size:3rem; font-weight:800; opacity:.15; line-height:1; margin-bottom:8px; }
.phase-card.past .phase-num { color:var(--green); }
.phase-card.now .phase-num { color:var(--indigo); }
.phase-card.future .phase-num { color:var(--blue-light); }
.phase-label { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.2em; text-transform:uppercase; margin-bottom:10px; }
.phase-card.past .phase-label { color:var(--green); }
.phase-card.now .phase-label { color:var(--indigo); }
.phase-card.future .phase-label { color:var(--blue-light); }
.phase-card h3 { font-family:"Lora",serif; font-size:1.1rem; margin-bottom:12px; }
.phase-card p { font-size:.875rem; color:var(--white-dim); margin:0; line-height:1.75; }
.phase-examples { margin-top:14px; display:flex; flex-direction:column; gap:6px; }
.phase-ex { font-family:"DM Mono",monospace; font-size:.75rem; color:rgba(255,255,255,.55); }

/* ---- SIGNAL CARDS ---- */
.signal-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:20px; margin-top:52px; }
.signal-card { background:var(--navy-light); border:1px solid rgba(99,102,241,.14); border-radius:16px; padding:30px; position:relative; overflow:hidden; transition:transform .3s,box-shadow .3s; }
.signal-card::before { content:""; position:absolute; top:0; left:0; width:100%; height:3px; background:linear-gradient(90deg,var(--indigo),var(--blue-light)); }
.signal-card:hover { transform:translateY(-5px); box-shadow:0 20px 50px rgba(0,0,0,.4); }
.signal-card .icon { width:46px; height:46px; border-radius:11px; background:var(--indigo-dim); display:flex; align-items:center; justify-content:center; margin-bottom:18px; }
.signal-card h3 { font-family:"Lora",serif; font-size:1.05rem; margin-bottom:8px; }
.signal-card p { font-size:.86rem; color:var(--white-dim); line-height:1.75; margin:0; }

/* ---- BARRIER CARDS ---- */
.barrier-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:20px; margin-top:52px; }
.barrier-card { background:rgba(255,154,60,.05); border:1px solid rgba(255,154,60,.2); border-radius:14px; padding:28px; transition:transform .3s; }
.barrier-card:hover { transform:translateY(-4px); }
.barrier-card .b-label { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.2em; color:var(--orange); text-transform:uppercase; margin-bottom:10px; }
.barrier-card h3 { font-family:"Lora",serif; font-size:1rem; margin-bottom:8px; color:var(--orange); }
.barrier-card p { font-size:.875rem; color:var(--white-dim); margin:0; line-height:1.7; }
.barrier-card .resolved { margin-top:12px; background:var(--green-dim); border-radius:8px; padding:8px 12px; font-size:.78rem; color:var(--green); }

/* ---- RESPONSIVE ---- */
@media(max-width:768px){
  .adoption-phases, .cat-content.active { grid-template-columns:1fr; }
  .signal-grid, .barrier-grid { grid-template-columns:1fr; }
  .stats-inner { grid-template-columns:1fr 1fr; }
}