/* =============================================
   Lesson 20 — SME Credit & Lending Tokenization
   Unique component styles + slate/sky-blue theme
   ============================================= */

/* ---- Slate/sky-blue accent variables ---- */
:root {
  --slate:      #0ea5e9;
  --slate-lite: #38bdf8;
  --slate-dim:  rgba(14,165,233,0.12);
  --slate-mid:  rgba(14,165,233,0.22);
}

/* Override shared blue-based styles with slate for this lesson */
[data-lesson="20"] .hero-grid { background-image:linear-gradient(rgba(14,165,233,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(14,165,233,.04) 1px,transparent 1px); }
[data-lesson="20"] .hero-glow { background:radial-gradient(ellipse 70% 55% at 35% 0%,rgba(14,165,233,.15) 0%,transparent 60%),radial-gradient(ellipse 60% 50% at 65% 0%,rgba(14,165,233,.08) 0%,transparent 60%); }
[data-lesson="20"] .ghost-num { color:rgba(14,165,233,.04); }
[data-lesson="20"] .series-badge { background:var(--slate-dim); border-color:rgba(14,165,233,.35); color:var(--slate-lite); }
[data-lesson="20"] .series-badge::before { background:var(--slate-lite); }
[data-lesson="20"] .hero h1 .accent { color:var(--slate-lite);display:block; }
[data-lesson="20"] .scroll-line { background:linear-gradient(to bottom,var(--slate),transparent); }
[data-lesson="20"] .section-label { color:var(--slate-lite); }
[data-lesson="20"] .highlight-box { background:var(--slate-dim); border-color:rgba(14,165,233,.25); border-left-color:var(--slate); }
[data-lesson="20"] .divider { background:linear-gradient(to right,transparent,rgba(14,165,233,.2),transparent); }
[data-lesson="20"] .stat-num { color:var(--slate-lite); }
[data-lesson="20"] .cta-section::before { background:radial-gradient(ellipse 70% 60% at 50% 50%,rgba(14,165,233,.08) 0%,transparent 70%); }
[data-lesson="20"] .cta-btn { background:linear-gradient(135deg,var(--slate),var(--blue-light)); }
[data-lesson="20"] .cta-btn:hover { box-shadow:0 16px 40px rgba(14,165,233,.3); }
[data-lesson="20"] .cta-btn.secondary { background:transparent; border-color:rgba(14,165,233,.4); color:var(--slate-lite); }
[data-lesson="20"] .cta-btn.secondary:hover { background:var(--slate-dim); border-color:var(--slate); }
[data-lesson="20"] .series-pill.active { background:var(--slate-dim); border-color:rgba(14,165,233,.5); color:var(--slate-lite); }

/* ---- TIER BADGE (Tier 4) ---- */
.tier-badge { display:inline-flex; align-items:center; gap:6px; background:rgba(14,165,233,.1); border:1px solid rgba(14,165,233,.3); border-radius:6px; padding:4px 12px; font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.15em; color:var(--slate-lite); text-transform:uppercase; margin-bottom:16px; }

/* ---- LOAN FLOW VISUAL (hero) ---- */
.loan-visual { margin-top:52px; opacity:0; animation:fadeUp .8s ease .8s forwards; width:100%; max-width:640px; }
.loan-flow { display:flex; align-items:center; background:var(--navy-light); border:1px solid rgba(14,165,233,.2); border-radius:14px; padding:20px 24px; overflow-x:auto; gap:0; }
.lf-node { text-align:center; flex:1; min-width:90px; flex-shrink:0; }
.lf-icon { width:42px; height:42px; border-radius:10px; margin:0 auto 8px; display:flex; align-items:center; justify-content:center; }
.lf-node.active .lf-icon { background:var(--slate-dim); border:1px solid rgba(14,165,233,.4); }
.lf-node .lf-icon { background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.1); }
.lf-node .lf-label { font-family:"DM Mono",monospace; font-size:8px; letter-spacing:.12em; text-transform:uppercase; margin-bottom:2px; color:rgba(255,255,255,.35); }
.lf-node.active .lf-label { color:var(--slate-lite); }
.lf-node .lf-name { font-family:"Lora",serif; font-size:.75rem; font-weight:700; color:var(--white-dim); }
.lf-node.active .lf-name { color:rgba(56,189,248,.9); }
.lf-arrow { color:rgba(14,165,233,.3); padding:0 6px; font-size:.85rem; flex-shrink:0; }

/* ---- DEAL SNAPSHOT ---- */
.deal-snapshot { margin-top:52px; opacity:0; animation:fadeUp .8s ease .8s forwards; display:grid; grid-template-columns:repeat(4,1fr); gap:12px; max-width:680px; width:100%; }
.snap-card { background:var(--navy-light); border:1px solid rgba(14,165,233,.2); border-radius:12px; padding:16px; text-align:center; }
.snap-card .snap-label { font-family:"DM Mono",monospace; font-size:8px; letter-spacing:.15em; color:rgba(14,165,233,.6); text-transform:uppercase; margin-bottom:4px; }
.snap-card .snap-value { font-family:"Lora",serif; font-size:1.1rem; font-weight:700; color:var(--slate-lite); }
.snap-card .snap-sub { font-size:.72rem; color:rgba(255,255,255,.4); margin-top:2px; }

/* ---- STORY NOTE ---- */
.story-note { background:var(--navy-light); border:1px solid rgba(14,165,233,.15); border-left:4px solid var(--slate-lite); border-radius:0 10px 10px 0; padding:16px 20px; margin:24px 0; font-size:.875rem; color:rgba(255,255,255,.7); font-style:italic; line-height:1.7; }

/* ---- CHARACTER CARDS ---- */
.characters-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:16px; margin-top:52px; }
.char-card { background:var(--navy-light); border:1px solid rgba(14,165,233,.15); border-radius:14px; padding:24px; text-align:center; transition:transform .3s; }
.char-card:hover { transform:translateY(-4px); }
.char-icon { width:52px; height:52px; border-radius:50%; background:var(--slate-dim); border:2px solid rgba(14,165,233,.3); display:flex; align-items:center; justify-content:center; margin:0 auto 12px; }
.char-card .char-role { font-family:"DM Mono",monospace; font-size:8px; letter-spacing:.18em; color:var(--slate-lite); text-transform:uppercase; margin-bottom:4px; }
.char-card .char-name { font-family:"Lora",serif; font-size:.95rem; font-weight:700; margin-bottom:6px; }
.char-card p { font-size:.78rem; color:var(--white-dim); margin:0; line-height:1.6; }

/* ---- STORY TIMELINE / PHASES ---- */
.story-timeline { display:flex; flex-direction:column; gap:0; margin-top:52px; }
.story-phase { margin-bottom:60px; }
.phase-header { display:flex; align-items:center; gap:16px; margin-bottom:28px; }
.phase-number { width:52px; height:52px; border-radius:50%; background:var(--slate-dim); border:2px solid rgba(14,165,233,.5); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.phase-number span { font-family:"Lora",serif; font-size:1.1rem; font-weight:800; color:var(--slate-lite); }
.phase-title-block .ph-tag { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.2em; color:var(--slate-lite); text-transform:uppercase; margin-bottom:3px; }
.phase-title-block h3 { font-family:"Lora",serif; font-size:1.3rem; font-weight:700; }
.phase-body { padding-left:68px; }
.phase-body p { font-size:.95rem; color:var(--white-dim); margin-bottom:14px; line-height:1.8; max-width:680px; }
.phase-detail { background:var(--navy-light); border:1px solid rgba(14,165,233,.15); border-radius:12px; padding:20px 24px; margin-top:16px; }
.phase-detail .pd-label { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.18em; color:var(--slate-lite); text-transform:uppercase; margin-bottom:10px; }
.data-row { display:flex; justify-content:space-between; align-items:baseline; padding:8px 0; border-bottom:1px solid rgba(255,255,255,.05); }
.data-row:last-child { border-bottom:none; }
.data-row .dr-key { font-size:.85rem; color:var(--white-dim); }
.data-row .dr-val { font-family:"DM Mono",monospace; font-size:.85rem; color:var(--white); font-weight:500; }
.data-row .dr-val.hi { color:var(--slate-lite); }

/* ---- TRANCHE DIAGRAM ---- */
.tranche-diagram { display:flex; flex-direction:column; gap:10px; margin-top:24px; }
.tranche-row { border-radius:10px; padding:16px 22px; display:flex; align-items:center; justify-content:space-between; gap:16px; }
.tranche-row.senior { background:rgba(94,219,160,.07); border:1px solid rgba(94,219,160,.25); }
.tranche-row.junior { background:rgba(255,154,60,.06); border:1px solid rgba(255,154,60,.22); }
.tr-left h4 { font-family:"Lora",serif; font-size:.95rem; margin-bottom:3px; }
.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; }
.tranche-row.senior .tr-right .tr-yield { color:var(--green); }
.tranche-row.junior .tr-right .tr-yield { color:var(--orange); }
.tr-right .tr-risk { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.12em; text-transform:uppercase; margin-top:2px; }

/* ---- PORTFOLIO GRID ---- */
.portfolio-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:28px; }
.portfolio-panel { background:var(--navy-light); border:1px solid rgba(14,165,233,.15); border-radius:12px; padding:22px; }
.pp-label { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.2em; text-transform:uppercase; color:var(--slate-lite); margin-bottom:12px; }
.pp-list { display:flex; flex-direction:column; gap:8px; }
.pp-item { display:flex; justify-content:space-between; font-size:.84rem; }
.pp-item .pi-key { color:var(--white-dim); }
.pp-item .pi-val { font-family:"DM Mono",monospace; color:var(--white); }

/* ---- ALT TABLE ---- */
.alt-table { width:100%; border-collapse:collapse; margin-top:36px; }
.alt-table th { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.18em; text-transform:uppercase; padding:12px 14px; text-align:left; }
.alt-table th:first-child { color:var(--white-dim); }
.alt-table th.col-h { color:var(--slate-lite); background:rgba(14,165,233,.06); border-radius:8px 8px 0 0; }
.alt-table td { padding:11px 14px; font-size:.84rem; border-bottom:1px solid rgba(255,255,255,.05); vertical-align:top; color:var(--white-dim); }
.alt-table td:first-child { font-weight:500; font-size:.8rem; font-family:"DM Mono",monospace; }
.tag-yes { display:inline-block; padding:2px 8px; border-radius:20px; font-size:.75rem; background:rgba(94,219,160,.12); color:var(--green); }
.tag-no { display:inline-block; padding:2px 8px; border-radius:20px; font-size:.75rem; background:rgba(255,154,60,.1); color:var(--orange); }
.tag-ok { display:inline-block; padding:2px 8px; border-radius:20px; font-size:.75rem; background:var(--blue-dim); color:var(--blue-light); }

/* ---- OUTCOME CARDS ---- */
.outcome-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:18px; margin-top:28px; }
.outcome-card { background:var(--navy-light); border-radius:14px; padding:26px; position:relative; overflow:hidden; }
.outcome-card::before { content:""; position:absolute; top:0; left:0; width:100%; height:3px; }
.oc-slate { border:1px solid rgba(14,165,233,.2); }
.oc-slate::before { background:linear-gradient(90deg,var(--slate),var(--slate-lite)); }
.oc-green { border:1px solid rgba(94,219,160,.2); }
.oc-green::before { background:linear-gradient(90deg,#16a34a,var(--green)); }
.oc-orange { border:1px solid rgba(255,154,60,.2); }
.oc-orange::before { background:linear-gradient(90deg,var(--orange),rgba(255,154,60,.5)); }
.oc-blue { border:1px solid rgba(3,136,166,.2); }
.oc-blue::before { background:linear-gradient(90deg,var(--blue),var(--blue-light)); }
.oc-party { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.18em; text-transform:uppercase; margin-bottom:10px; }
.oc-slate .oc-party { color:var(--slate-lite); }
.oc-green .oc-party { color:var(--green); }
.oc-orange .oc-party { color:var(--orange); }
.oc-blue .oc-party { color:var(--blue-light); }
.oc-list { display:flex; flex-direction:column; gap:8px; }
.oc-item { display:flex; gap:8px; font-size:.83rem; color:var(--white-dim); align-items:flex-start; line-height:1.55; }
.oc-item svg { flex-shrink:0; margin-top:2px; }

/* ---- LESSONS LEARNED CARDS ---- */
.lessons-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:20px; margin-top:52px; }
/* Note: .lesson-card class conflicts with index page cards — scoped via data-lesson */
[data-lesson="20"] .lessons-grid .lesson-card { background:var(--navy-light); border:1px solid rgba(14,165,233,.14); border-radius:16px; padding:30px; position:relative; overflow:hidden; transition:transform .3s; }
[data-lesson="20"] .lessons-grid .lesson-card::before { content:""; position:absolute; top:0; left:0; width:100%; height:3px; background:linear-gradient(90deg,var(--slate),var(--blue-light)); }
[data-lesson="20"] .lessons-grid .lesson-card:hover { transform:translateY(-4px); }
[data-lesson="20"] .lessons-grid .lesson-card .lc-num { font-family:"Lora",serif; font-size:2rem; font-weight:800; color:var(--slate-dim); line-height:1; margin-bottom:8px; }
[data-lesson="20"] .lessons-grid .lesson-card h3 { font-family:"Lora",serif; font-size:1rem; margin-bottom:8px; }
[data-lesson="20"] .lessons-grid .lesson-card p { font-size:.86rem; color:var(--white-dim); margin:0; line-height:1.75; }

/* ---- RESPONSIVE ---- */
@media(max-width:768px){
  .deal-snapshot, .portfolio-grid { grid-template-columns:1fr 1fr; }
  .characters-grid, .outcome-grid, .lessons-grid { grid-template-columns:1fr; }
  .stats-inner { grid-template-columns:1fr 1fr; }
  .phase-body { padding-left:0; }
  .loan-flow { gap:6px; }
  .lf-arrow { display:none; }
}