/* =============================================
   Lesson 12 — US Regulation of Tokenized Securities
   Unique component styles + gold/amber theme
   ============================================= */

/* ---- Gold accent variables ---- */
:root {
  --gold:        #f59e0b;
  --gold-dim:    rgba(245,158,11,0.12);
  --gold-mid:    rgba(245,158,11,0.22);
}

/* Override shared blue-based styles with gold for this lesson */
[data-lesson="12"] .hero-grid { background-image:linear-gradient(rgba(245,158,11,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(3,136,166,.05) 1px,transparent 1px); }
[data-lesson="12"] .hero-glow { background:radial-gradient(ellipse 75% 55% at 50% 0%,rgba(245,158,11,.12) 0%,rgba(3,136,166,.08) 45%,transparent 70%); }
[data-lesson="12"] .ghost-num { color:rgba(245,158,11,.04); }
[data-lesson="12"] .series-badge { background:var(--gold-dim); border-color:rgba(245,158,11,.35); color:var(--gold); }
[data-lesson="12"] .series-badge::before { background:var(--gold); }
[data-lesson="12"] .hero h1 .accent { color:var(--gold); }
[data-lesson="12"] .scroll-line { background:linear-gradient(to bottom,var(--gold),transparent); }
[data-lesson="12"] .section-label { color:var(--gold); }
[data-lesson="12"] .highlight-box { background:var(--gold-dim); border-color:rgba(245,158,11,.25); border-left-color:var(--gold); }
[data-lesson="12"] .divider { background:linear-gradient(to right,transparent,rgba(245,158,11,.2),transparent); }
[data-lesson="12"] .stat-num { color:var(--gold); }
[data-lesson="12"] .cta-section::before { background:radial-gradient(ellipse 70% 60% at 50% 50%,rgba(245,158,11,.07) 0%,transparent 70%); }
[data-lesson="12"] .cta-btn { background:linear-gradient(135deg,var(--blue),var(--blue-light)); }
[data-lesson="12"] .cta-btn:hover { box-shadow:0 16px 40px rgba(3,136,166,.35); }
[data-lesson="12"] .cta-btn.secondary { background:transparent; border-color:rgba(245,158,11,.4); color:var(--gold); }
[data-lesson="12"] .cta-btn.secondary:hover { background:var(--gold-dim); border-color:var(--gold); }
[data-lesson="12"] .series-pill.active { background:var(--gold-dim); border-color:rgba(245,158,11,.5); color:var(--gold); }

/* ---- 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; }

/* ---- REGULATOR VISUAL (hero) ---- */
.regulator-visual { margin-top:52px; opacity:0; animation:fadeUp .8s ease .8s forwards; display:flex; gap:12px; align-items:center; justify-content:center; flex-wrap:wrap; }
.reg-node { background:var(--navy-light); border:1px solid rgba(245,158,11,.2); border-radius:12px; padding:16px 20px; text-align:center; min-width:110px; }
.reg-node.primary { background:rgba(245,158,11,.08); border-color:rgba(245,158,11,.45); }
.reg-node .rn-label { font-family:"DM Mono",monospace; font-size:8px; letter-spacing:.15em; color:rgba(245,158,11,.6); text-transform:uppercase; margin-bottom:4px; }
.reg-node .rn-name { font-family:"Lora",serif; font-size:.9rem; font-weight:700; color:var(--white-dim); }
.reg-node.primary .rn-name { color:var(--gold); }
.reg-arrow { color:rgba(245,158,11,.3); font-size:1rem; flex-shrink:0; }

/* ---- REGULATOR CARDS ---- */
.reg-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:22px; margin-top:52px; }
.reg-card { background:var(--navy-light); border:1px solid rgba(245,158,11,.18); border-radius:16px; padding:32px; position:relative; overflow:hidden; transition:transform .3s,box-shadow .3s; }
.reg-card::before { content:""; position:absolute; top:0; left:0; width:100%; height:3px; background:linear-gradient(90deg,var(--gold),rgba(245,158,11,.4)); }
.reg-card:hover { transform:translateY(-5px); box-shadow:0 20px 50px rgba(0,0,0,.4); }
.reg-card .rc-name { font-family:"Lora",serif; font-size:1.3rem; font-weight:800; color:var(--gold); margin-bottom:4px; }
.reg-card .rc-full { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.15em; color:rgba(245,158,11,.6); text-transform:uppercase; margin-bottom:14px; }
.reg-card p { font-size:.875rem; color:var(--white-dim); margin:0; line-height:1.75; }
.reg-card .jurisdiction { margin-top:14px; background:var(--gold-dim); border-radius:8px; padding:10px 14px; font-size:.8rem; color:rgba(255,255,255,.7); line-height:1.6; }

/* ---- EXEMPTION CARDS ---- */
.exempt-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:20px; margin-top:52px; }
.exempt-card { border-radius:16px; padding:30px; position:relative; overflow:hidden; transition:transform .3s,box-shadow .3s; }
.exempt-card::before { content:""; position:absolute; top:0; left:0; width:100%; height:3px; }
.exempt-card:hover { transform:translateY(-5px); box-shadow:0 20px 50px rgba(0,0,0,.4); }
.exempt-card.reg-d { background:rgba(3,136,166,.07); border:1px solid rgba(3,136,166,.25); }
.exempt-card.reg-d::before { background:var(--blue); }
.exempt-card.reg-a { background:rgba(94,219,160,.06); border:1px solid rgba(94,219,160,.25); }
.exempt-card.reg-a::before { background:var(--green); }
.exempt-card.reg-cf { background:rgba(245,158,11,.06); border:1px solid rgba(245,158,11,.25); }
.exempt-card.reg-cf::before { background:var(--gold); }
.exempt-card.reg-s { background:rgba(167,139,250,.06); border:1px solid rgba(167,139,250,.25); }
.exempt-card.reg-s::before { background:#a78bfa; }
.exempt-card .ex-label { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.2em; text-transform:uppercase; margin-bottom:8px; }
.exempt-card.reg-d .ex-label { color:var(--blue-light); }
.exempt-card.reg-a .ex-label { color:var(--green); }
.exempt-card.reg-cf .ex-label { color:var(--gold); }
.exempt-card.reg-s .ex-label { color:#a78bfa; }
.exempt-card h3 { font-family:"Lora",serif; font-size:1.1rem; margin-bottom:12px; }
.exempt-card p { font-size:.875rem; color:var(--white-dim); margin:0 0 12px; line-height:1.7; }
.spec-list { display:flex; flex-direction:column; gap:7px; }
.spec-item { display:flex; gap:8px; font-size:.8rem; color:var(--white-dim); align-items:flex-start; }
.spec-dot { width:5px; height:5px; border-radius:50%; margin-top:6px; flex-shrink:0; }
.reg-d .spec-dot { background:var(--blue-light); }
.reg-a .spec-dot { background:var(--green); }
.reg-cf .spec-dot { background:var(--gold); }
.reg-s .spec-dot { background:#a78bfa; }

/* ---- COMPLIANCE CHECKLIST ---- */
.checklist { display:flex; flex-direction:column; gap:16px; margin-top:52px; }
.check-row { background:var(--navy-light); border:1px solid rgba(245,158,11,.14); border-radius:14px; padding:24px 28px; display:flex; gap:20px; align-items:flex-start; transition:transform .3s; }
.check-row:hover { transform:translateX(4px); }
.check-icon { width:44px; height:44px; border-radius:10px; background:var(--gold-dim); border:1px solid rgba(245,158,11,.3); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.check-body h4 { font-family:"Lora",serif; font-size:1rem; margin-bottom:6px; }
.check-body p { font-size:.875rem; color:var(--white-dim); margin:0; line-height:1.7; }

/* ---- TIMELINE ---- */
.timeline { display:flex; flex-direction:column; gap:0; margin-top:52px; }
.tl-row { display:grid; grid-template-columns:120px 1fr; gap:24px; align-items:stretch; }
.tl-left { display:flex; flex-direction:column; align-items:flex-end; padding-top:6px; }
.tl-year { font-family:"Lora",serif; font-size:1.1rem; font-weight:700; color:var(--gold); }
.tl-connector { width:2px; flex:1; background:linear-gradient(to bottom,rgba(245,158,11,.3),rgba(3,136,166,.1)); margin:8px 0 0 auto; }
.tl-row:last-child .tl-connector { display:none; }
.tl-content { padding-bottom:40px; }
.tl-dot { display:inline-block; width:10px; height:10px; border-radius:50%; background:var(--gold); margin-right:10px; flex-shrink:0; }
.tl-content h4 { font-family:"Lora",serif; font-size:1rem; margin-bottom:6px; display:flex; align-items:center; }
.tl-content p { font-size:.875rem; color:var(--white-dim); margin:0; max-width:580px; line-height:1.7; }
.tl-content .tl-tag { display:inline-block; margin-top:8px; padding:3px 10px; border-radius:6px; font-family:"DM Mono",monospace; font-size:.75rem; }
.tl-tag.bullish { background:rgba(94,219,160,.12); color:var(--green); }
.tl-tag.bearish { background:rgba(255,154,60,.1); color:var(--orange); }
.tl-tag.neutral { background:var(--blue-dim); color:var(--blue-light); }

/* ---- 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(3,136,166,.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(--gold),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(--gold-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; }

/* ---- MYTH/REALITY ---- */
.myth-grid { display:flex; flex-direction:column; gap:20px; margin-top:52px; }
.myth-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.myth-card { border-radius:14px; padding:28px; }
.myth-card.myth { background:var(--orange-dim); border:1px solid rgba(255,154,60,.25); }
.myth-card.reality { background:var(--green-dim); border:1px solid rgba(94,219,160,.25); }
.myth-label { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.25em; text-transform:uppercase; margin-bottom:10px; display:flex; align-items:center; gap:8px; }
.myth-card.myth .myth-label { color:var(--orange); }
.myth-card.reality .myth-label { color:var(--green); }
.myth-card p { font-size:.9rem; color:var(--white-dim); margin:0; line-height:1.7; }

/* ---- RESPONSIVE ---- */
@media(max-width:768px){
  .reg-grid, .exempt-grid, .benefit-grid, .myth-row { grid-template-columns:1fr; }
  .stats-inner { grid-template-columns:1fr 1fr; }
  .tl-row { grid-template-columns:70px 1fr; }
  .regulator-visual { gap:8px; }
  .reg-arrow { display:none; }
}