/* =============================================
   Lesson 10 — Private Credit & Trade Finance
   Unique component styles + emerald theme
   ============================================= */

/* ---- Emerald accent overrides ---- */
:root {
  --emerald:     #10b981;
  --emerald-dim: rgba(16,185,129,0.12);
}

/* Override shared blue-based styles with emerald for this lesson */
[data-lesson="10"] .hero-grid { background-image:linear-gradient(rgba(16,185,129,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(3,136,166,.05) 1px,transparent 1px); }
[data-lesson="10"] .hero-glow { background:radial-gradient(ellipse 75% 55% at 50% 0%,rgba(16,185,129,.14) 0%,rgba(3,136,166,.1) 40%,transparent 70%); }
[data-lesson="10"] .ghost-num { color:rgba(16,185,129,.04); }
[data-lesson="10"] .series-badge { background:var(--emerald-dim); border-color:rgba(16,185,129,.35); color:var(--emerald); }
[data-lesson="10"] .series-badge::before { background:var(--emerald); }
[data-lesson="10"] .hero h1 .accent { color:var(--emerald); }
[data-lesson="10"] .scroll-line { background:linear-gradient(to bottom,var(--emerald),transparent); }
[data-lesson="10"] .section-label { color:var(--emerald); }
[data-lesson="10"] .highlight-box { background:var(--emerald-dim); border-color:rgba(16,185,129,.25); border-left-color:var(--emerald); }
[data-lesson="10"] .divider { background:linear-gradient(to right,transparent,rgba(16,185,129,.2),transparent); }
[data-lesson="10"] .stat-num { color:var(--emerald); }
[data-lesson="10"] .cta-section::before { background:radial-gradient(ellipse 70% 60% at 50% 50%,rgba(16,185,129,.08) 0%,transparent 70%); }
[data-lesson="10"] .cta-btn { background:linear-gradient(135deg,var(--emerald),var(--blue-light)); }
[data-lesson="10"] .cta-btn:hover { box-shadow:0 16px 40px rgba(16,185,129,.3); }
[data-lesson="10"] .cta-btn.secondary { background:transparent; border-color:rgba(16,185,129,.4); color:var(--emerald); }
[data-lesson="10"] .cta-btn.secondary:hover { background:var(--emerald-dim); border-color:var(--emerald); }
[data-lesson="10"] .series-pill.active { background:var(--emerald-dim); border-color:rgba(16,185,129,.5); color:var(--emerald); }

/* ---- CREDIT FLOW VISUAL (hero) ---- */
.credit-visual { margin-top:52px; opacity:0; animation:fadeUp .8s ease .8s forwards; width:100%; max-width:620px; }
.credit-flow { display:flex; align-items:center; gap:0; background:var(--navy-light); border:1px solid rgba(16,185,129,.2); border-radius:14px; padding:20px 24px; overflow-x:auto; }
.cf-node { text-align:center; flex:1; min-width:80px; }
.cf-node .cf-icon { width:42px; height:42px; border-radius:10px; margin:0 auto 8px; display:flex; align-items:center; justify-content:center; background:var(--emerald-dim); border:1px solid rgba(16,185,129,.25); }
.cf-node .cf-label { font-family:"DM Mono",monospace; font-size:8px; letter-spacing:.15em; color:rgba(255,255,255,.4); text-transform:uppercase; margin-bottom:2px; }
.cf-node .cf-name { font-family:"Lora",serif; font-size:.78rem; font-weight:700; color:var(--white-dim); }
.cf-node.lit .cf-icon { background:var(--emerald-dim); border-color:rgba(16,185,129,.5); }
.cf-node.lit .cf-name { color:var(--emerald); }
.cf-arrow { color:rgba(16,185,129,.4); padding:0 6px; font-size:.9rem; flex-shrink:0; }
.token-row { display:flex; gap:8px; margin-top:14px; justify-content:center; flex-wrap:wrap; }
.t-chip { background:var(--emerald-dim); border:1px solid rgba(16,185,129,.3); border-radius:20px; padding:4px 12px; font-family:"DM Mono",monospace; font-size:9px; color:var(--emerald); }

/* ---- PAIN CARDS ---- */
.pain-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:20px; margin-top:52px; }
.pain-card { background:rgba(255,154,60,.05); border:1px solid rgba(255,154,60,.2); border-radius:14px; padding:28px; transition:transform .3s; }
.pain-card:hover { transform:translateY(-4px); }
.pain-card .icon { width:44px; height:44px; border-radius:10px; background:rgba(255,154,60,.1); display:flex; align-items:center; justify-content:center; margin-bottom:16px; }
.pain-card h3 { font-family:"Lora",serif; font-size:1rem; margin-bottom:8px; color:var(--orange); }
.pain-card p { font-size:.875rem; color:var(--white-dim); margin:0; line-height:1.7; }

/* ---- INSTRUMENT CARDS ---- */
.instrument-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:22px; margin-top:52px; }
.instrument-card { background:var(--navy-light); border:1px solid rgba(16,185,129,.18); border-radius:16px; padding:32px; position:relative; overflow:hidden; transition:transform .3s,box-shadow .3s; }
.instrument-card::before { content:""; position:absolute; top:0; left:0; width:100%; height:3px; background:linear-gradient(90deg,var(--emerald),var(--blue-light)); }
.instrument-card:hover { transform:translateY(-5px); box-shadow:0 20px 50px rgba(0,0,0,.4); }
.instrument-card .ic-label { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.2em; color:var(--emerald); text-transform:uppercase; margin-bottom:10px; }
.instrument-card h3 { font-family:"Lora",serif; font-size:1.05rem; margin-bottom:10px; }
.instrument-card p { font-size:.875rem; color:var(--white-dim); margin:0; line-height:1.7; }
.instrument-card .deal-example { margin-top:14px; background:var(--emerald-dim); border-radius:8px; padding:10px 14px; font-size:.8rem; color:rgba(255,255,255,.75); line-height:1.6; }

/* ---- TRANCHE DIAGRAM ---- */
.tranche-diagram { margin-top:52px; background:var(--navy-light); border:1px solid rgba(16,185,129,.18); border-radius:18px; padding:40px; display:flex; flex-direction:column; gap:12px; }
.tranche-row { border-radius:10px; padding:18px 24px; display:flex; align-items:center; justify-content:space-between; gap:16px; }
.tranche-row.senior { background:rgba(94,219,160,.08); border:1px solid rgba(94,219,160,.3); }
.tranche-row.mezzanine { background:rgba(3,136,166,.08); border:1px solid rgba(3,136,166,.3); }
.tranche-row.junior { background:rgba(255,154,60,.06); border:1px solid rgba(255,154,60,.25); }
.tranche-row.equity { background:rgba(167,139,250,.06); border:1px solid rgba(167,139,250,.2); }
.tr-left h4 { font-family:"Lora",serif; font-size:1rem; margin-bottom:4px; }
.tr-left p { font-size:.82rem; color:var(--white-dim); margin:0; }
.tr-right { text-align:right; flex-shrink:0; }
.tr-right .tr-yield { font-family:"Lora",serif; font-size:1.2rem; font-weight:700; }
.tr-right .tr-risk { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.15em; text-transform:uppercase; margin-top:2px; }
.tranche-row.senior .tr-right .tr-yield { color:var(--green); }
.tranche-row.mezzanine .tr-right .tr-yield { color:var(--blue-light); }
.tranche-row.junior .tr-right .tr-yield { color:var(--orange); }
.tranche-row.equity .tr-right .tr-yield { color:#a78bfa; }

/* ---- FLOW STEPS ---- */
.flow-steps { display:flex; flex-direction:column; gap:0; margin-top:52px; }
.flow-row { display:grid; grid-template-columns:72px 1fr; gap:24px; align-items:stretch; }
.flow-line { display:flex; flex-direction:column; align-items:center; }
.flow-circle { width:52px; height:52px; border-radius:50%; background:var(--emerald-dim); border:2px solid rgba(16,185,129,.4); display:flex; align-items:center; justify-content:center; flex-shrink:0; z-index:1; }
.flow-connector { width:2px; flex:1; background:linear-gradient(to bottom,rgba(16,185,129,.4),rgba(3,136,166,.1)); margin:4px auto; }
.flow-row:last-child .flow-connector { display:none; }
.flow-content { padding-bottom:44px; }
.flow-content h4 { font-family:"Lora",serif; font-size:1.1rem; margin-bottom:8px; }
.flow-content p { font-size:.92rem; color:var(--white-dim); margin:0; max-width:600px; line-height:1.75; }
.flow-content .detail-box { margin-top:14px; background:var(--navy-mid); border-radius:10px; padding:16px 20px; font-size:.84rem; color:var(--white-dim); line-height:1.7; }

/* ---- BENEFIT CARDS ---- */
.benefit-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:20px; margin-top:52px; }
.benefit-card { background:var(--navy-light); border:1px solid rgba(16,185,129,.14); border-radius:16px; padding:30px; position:relative; overflow:hidden; transition:transform .3s,box-shadow .3s; }
.benefit-card::before { content:""; position:absolute; top:0; left:0; width:100%; height:3px; background:linear-gradient(90deg,var(--emerald),var(--blue-light)); }
.benefit-card:hover { transform:translateY(-5px); box-shadow:0 20px 50px rgba(0,0,0,.4); }
.benefit-card .icon { width:46px; height:46px; border-radius:11px; background:var(--emerald-dim); display:flex; align-items:center; justify-content:center; margin-bottom:18px; }
.benefit-card h3 { font-family:"Lora",serif; font-size:1.05rem; margin-bottom:8px; }
.benefit-card p { font-size:.86rem; color:var(--white-dim); line-height:1.75; margin:0; }

/* ---- COMPARE TABLE ---- */
.compare-table { width:100%; border-collapse:collapse; margin-top:52px; }
.compare-table th { font-family:"DM Mono",monospace; font-size:10px; letter-spacing:.2em; text-transform:uppercase; padding:14px 20px; text-align:left; }
.compare-table th:first-child { color:var(--white-dim); }
.compare-table th.col-old { color:var(--orange); background:rgba(255,154,60,.06); border-radius:8px 8px 0 0; }
.compare-table th.col-new { color:var(--emerald); background:rgba(16,185,129,.06); border-radius:8px 8px 0 0; }
.compare-table td { padding:14px 20px; font-size:.9rem; border-bottom:1px solid rgba(255,255,255,.05); vertical-align:top; color:var(--white-dim); }
.compare-table td:nth-child(2) { background:rgba(255,154,60,.03); }
.compare-table td:nth-child(3) { background:rgba(16,185,129,.03); }
.compare-table td:first-child { font-weight:500; font-size:.82rem; font-family:"DM Mono",monospace; }
.tag-bad { display:inline-block; padding:2px 10px; border-radius:20px; font-size:.78rem; background:rgba(255,154,60,.15); color:var(--orange); }
.tag-good { display:inline-block; padding:2px 10px; border-radius:20px; font-size:.78rem; background:rgba(16,185,129,.15); color:var(--emerald); }

/* ---- CASE STUDY ---- */
.case-study { background:linear-gradient(135deg,rgba(16,185,129,.07),rgba(3,136,166,.07)); border:1px solid rgba(16,185,129,.22); border-radius:18px; padding:44px; margin-top:52px; }
.cs-label { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.25em; color:var(--emerald); text-transform:uppercase; margin-bottom:14px; }
.cs-title { font-family:"Lora",serif; font-size:1.5rem; font-weight:700; margin-bottom:20px; }
.cs-grid { display:grid; grid-template-columns:1fr 1fr; gap:32px; margin-top:24px; }
.cs-col h4 { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.2em; color:var(--emerald); text-transform:uppercase; margin-bottom:12px; }
.cs-list { display:flex; flex-direction:column; gap:10px; }
.cs-item { display:flex; gap:10px; font-size:.875rem; color:var(--white-dim); align-items:flex-start; line-height:1.6; }
.cs-item svg { flex-shrink:0; margin-top:2px; }

/* ---- STAKEHOLDER CARDS ---- */
.stake-grid { display:grid; grid-template-columns:1fr 1fr; gap:22px; margin-top:52px; }
.stake-card { background:var(--navy-light); border:1px solid rgba(16,185,129,.14); border-radius:16px; padding:32px; transition:transform .3s; }
.stake-card:hover { transform:translateY(-4px); }
.stake-card .role { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.2em; color:var(--emerald); text-transform:uppercase; margin-bottom:10px; }
.stake-card h3 { font-family:"Lora",serif; font-size:1.1rem; margin-bottom:14px; }
.win-list { display:flex; flex-direction:column; gap:10px; }
.win-item { display:flex; gap:12px; align-items:flex-start; font-size:.875rem; color:var(--white-dim); }
.win-item svg { flex-shrink:0; margin-top:2px; }

/* ---- RESPONSIVE ---- */
@media(max-width:768px){
  .instrument-grid, .pain-grid, .benefit-grid, .stake-grid, .cs-grid { grid-template-columns:1fr; }
  .tranche-row { flex-direction:column; text-align:left; }
  .tr-right { text-align:left; }
  .credit-flow { gap:6px; }
  .cf-arrow { display:none; }
}