/* =============================================
   Lesson 21 — Future Vision
   Unique component styles + gold/star theme
   ============================================= */

/* ---- Gold/star accent variables ---- */
:root {
  --star:       #e2c46a;
  --star-lite:  #f0d98a;
  --star-dim:   rgba(226,196,106,0.12);
  --star-mid:   rgba(226,196,106,0.22);
}

/* Override shared blue-based styles with star/gold for this lesson */
[data-lesson="21"] .hero-grid { background-image:linear-gradient(rgba(226,196,106,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(226,196,106,.04) 1px,transparent 1px); }
[data-lesson="21"] .hero-bg { position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(226,196,106,.12) 0%,rgba(3,136,166,.08) 40%,transparent 70%),radial-gradient(ellipse 60% 40% at 20% 80%,rgba(3,136,166,.06) 0%,transparent 50%),radial-gradient(ellipse 50% 40% at 80% 80%,rgba(94,219,160,.05) 0%,transparent 50%);pointer-events:none; }
[data-lesson="21"] .ghost-num { color:rgba(226,196,106,.04); }
[data-lesson="21"] .series-badge { background:var(--star-dim); border-color:rgba(226,196,106,.35); color:var(--star-lite); }
[data-lesson="21"] .series-badge::before { background:var(--star-lite); }
[data-lesson="21"] .hero h1 .accent { color:var(--star-lite);display:block; }
[data-lesson="21"] .scroll-line { background:linear-gradient(to bottom,var(--star),transparent); }
[data-lesson="21"] .section-label { color:var(--star-lite); }
[data-lesson="21"] .highlight-box { background:var(--star-dim); border-color:rgba(226,196,106,.25); border-left-color:var(--star); }
[data-lesson="21"] .divider { background:linear-gradient(to right,transparent,rgba(226,196,106,.2),transparent); }
[data-lesson="21"] .stat-num { color:var(--star-lite); }
[data-lesson="21"] .cta-section::before { background:radial-gradient(ellipse 70% 60% at 50% 50%,rgba(226,196,106,.08) 0%,transparent 70%); }
[data-lesson="21"] .cta-btn { background:linear-gradient(135deg,var(--star),var(--blue-light)); color:var(--navy); }
[data-lesson="21"] .cta-btn:hover { box-shadow:0 16px 40px rgba(226,196,106,.25); }
[data-lesson="21"] .cta-btn.secondary { background:transparent; border-color:rgba(226,196,106,.4); color:var(--star-lite); }
[data-lesson="21"] .cta-btn.secondary:hover { background:var(--star-dim); border-color:var(--star); }
[data-lesson="21"] .series-pill.active { background:var(--star-dim); border-color:rgba(226,196,106,.5); color:var(--star-lite); }

/* ---- TIER BADGE (Tier 5) ---- */
.tier-badge { display:inline-flex; align-items:center; gap:6px; background:rgba(226,196,106,.1); border:1px solid rgba(226,196,106,.3); border-radius:6px; padding:4px 12px; font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.15em; color:var(--star-lite); text-transform:uppercase; margin-bottom:16px; }

/* ---- STAR FIELD VISUAL (hero) ---- */
.star-field { margin-top:52px; opacity:0; animation:fadeUp .8s ease .8s forwards; position:relative; width:100%; max-width:600px; height:120px; background:var(--navy-light); border:1px solid rgba(226,196,106,.15); border-radius:16px; overflow:hidden; }
.sf-star { position:absolute; border-radius:50%; background:var(--star-lite); }
.sf-label { position:absolute; bottom:16px; left:0; right:0; text-align:center; font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.25em; color:rgba(226,196,106,.6); text-transform:uppercase; }
@keyframes twinkle { 0%,100% { opacity:.4; } 50% { opacity:1; } }

/* ---- VISION CARDS ---- */
.vision-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:24px; margin-top:52px; }
.vision-card { background:var(--navy-light); border-radius:18px; padding:36px; position:relative; overflow:hidden; transition:transform .3s,box-shadow .3s; }
.vision-card:hover { transform:translateY(-5px); box-shadow:0 24px 60px rgba(0,0,0,.4); }
.vision-card::before { content:""; position:absolute; top:0; left:0; width:100%; height:3px; }
.vision-card.vc-gold { border:1px solid rgba(226,196,106,.22); }
.vision-card.vc-gold::before { background:linear-gradient(90deg,var(--star),var(--star-lite)); }
.vision-card.vc-blue { border:1px solid rgba(3,136,166,.25); }
.vision-card.vc-blue::before { background:linear-gradient(90deg,var(--blue),var(--blue-light)); }
.vision-card.vc-green { border:1px solid rgba(94,219,160,.22); }
.vision-card.vc-green::before { background:linear-gradient(90deg,#16a34a,var(--green)); }
.vision-card .vc-era { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.22em; text-transform:uppercase; margin-bottom:12px; }
.vision-card.vc-gold .vc-era { color:var(--star-lite); }
.vision-card.vc-blue .vc-era { color:var(--blue-light); }
.vision-card.vc-green .vc-era { color:var(--green); }
.vision-card h3 { font-family:"Lora",serif; font-size:1.2rem; margin-bottom:14px; }
.vision-card p { font-size:.875rem; color:var(--white-dim); margin:0; line-height:1.8; }
.vision-card .vc-examples { margin-top:16px; display:flex; flex-direction:column; gap:7px; }
.vc-ex { display:flex; gap:10px; font-size:.82rem; color:var(--white-dim); align-items:flex-start; }
.vc-dot { width:5px; height:5px; border-radius:50%; margin-top:6px; flex-shrink:0; }
.vc-gold .vc-dot { background:var(--star-lite); }
.vc-blue .vc-dot { background:var(--blue-light); }
.vc-green .vc-dot { background:var(--green); }

/* ---- SCENARIO SECTIONS ---- */
.scenario { max-width:1080px; margin:0 auto; padding:80px 40px; }
.scenario-header { display:flex; align-items:flex-start; gap:24px; margin-bottom:36px; }
.scenario-icon { width:60px; height:60px; border-radius:14px; background:var(--star-dim); border:1px solid rgba(226,196,106,.25); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.scenario-title .sc-label { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.22em; color:var(--star-lite); text-transform:uppercase; margin-bottom:6px; }
.scenario-title h3 { font-family:"Lora",serif; font-size:1.5rem; font-weight:700; line-height:1.2; }
.scenario p { font-size:1rem; color:var(--white-dim); max-width:720px; margin-bottom:16px; line-height:1.85; }
.scenario p.drop-cap::first-letter { font-family:"Lora",serif; font-size:3.5rem; font-weight:800; float:left; line-height:.8; margin:4px 10px 0 0; color:var(--star-lite); }
.scenario-detail { background:var(--navy-light); border:1px solid rgba(226,196,106,.12); border-radius:14px; padding:24px 28px; margin-top:16px; font-size:.9rem; color:var(--white-dim); line-height:1.8; }
.scenario-detail .sd-label { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.2em; color:var(--star-lite); text-transform:uppercase; margin-bottom:8px; }

/* ---- CHANGE GRID (before/after) ---- */
.change-grid { display:grid; grid-template-columns:1fr 1fr; gap:32px; margin-top:52px; }
.change-panel { border-radius:16px; padding:32px; }
.change-panel.before { background:rgba(255,154,60,.05); border:1px solid rgba(255,154,60,.2); }
.change-panel.after { background:var(--star-dim); border:1px solid rgba(226,196,106,.2); }
.cp-label { font-family:"DM Mono",monospace; font-size:9px; letter-spacing:.2em; text-transform:uppercase; margin-bottom:12px; }
.change-panel.before .cp-label { color:var(--orange); }
.change-panel.after .cp-label { color:var(--star-lite); }
.change-panel h3 { font-family:"Lora",serif; font-size:1.1rem; margin-bottom:16px; }
.change-list { display:flex; flex-direction:column; gap:10px; }
.change-item { display:flex; gap:10px; font-size:.875rem; color:var(--white-dim); align-items:flex-start; line-height:1.6; }
.change-item svg { flex-shrink:0; margin-top:2px; }

/* ---- PRINCIPLE CARDS ---- */
.principle-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:20px; margin-top:52px; }
.principle-card { background:var(--navy-light); border:1px solid rgba(226,196,106,.14); border-radius:16px; padding:30px; position:relative; overflow:hidden; transition:transform .3s,box-shadow .3s; }
.principle-card::before { content:""; position:absolute; top:0; left:0; width:100%; height:3px; background:linear-gradient(90deg,var(--star),var(--star-lite)); }
.principle-card:hover { transform:translateY(-5px); box-shadow:0 20px 50px rgba(0,0,0,.4); }
.principle-card .icon { width:46px; height:46px; border-radius:11px; background:var(--star-dim); display:flex; align-items:center; justify-content:center; margin-bottom:18px; }
.principle-card h3 { font-family:"Lora",serif; font-size:1.05rem; margin-bottom:8px; }
.principle-card p { font-size:.86rem; color:var(--white-dim); line-height:1.75; margin:0; }

/* ---- PATH TIMELINE ---- */
.path-timeline { display:flex; flex-direction:column; gap:0; margin-top:52px; }
.pt-row { display:grid; grid-template-columns:100px 1fr; gap:24px; align-items:stretch; }
.pt-left { display:flex; flex-direction:column; align-items:flex-end; padding-top:4px; }
.pt-year { font-family:"Lora",serif; font-size:1rem; font-weight:700; color:var(--star-lite); }
.pt-connector { width:2px; flex:1; background:linear-gradient(to bottom,rgba(226,196,106,.3),rgba(3,136,166,.1)); margin:6px 0 0 auto; }
.pt-row:last-child .pt-connector { display:none; }
.pt-content { padding-bottom:40px; }
.pt-content h4 { font-family:"Lora",serif; font-size:.95rem; margin-bottom:6px; display:flex; align-items:center; gap:10px; }
.pt-dot { width:8px; height:8px; border-radius:50%; background:var(--star); flex-shrink:0; }
.pt-content p { font-size:.875rem; color:var(--white-dim); margin:0; max-width:600px; line-height:1.7; }
.pt-tag { display:inline-block; margin-top:6px; padding:2px 9px; border-radius:6px; font-family:"DM Mono",monospace; font-size:.72rem; }
.pt-tag.actual { background:rgba(94,219,160,.12); color:var(--green); }
.pt-tag.near { background:var(--star-dim); color:var(--star-lite); }
.pt-tag.far { background:var(--blue-dim); color:var(--blue-light); }

/* ---- ROLE CARDS (blue-themed) ---- */
.role-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:20px; margin-top:52px; }
.role-card { background:var(--navy-light); border:1px solid rgba(3,136,166,.18); border-radius:16px; padding:30px; position:relative; overflow:hidden; transition:transform .3s,box-shadow .3s; }
.role-card::before { content:""; position:absolute; top:0; left:0; width:100%; height:3px; background:linear-gradient(90deg,var(--blue),var(--blue-light)); }
.role-card:hover { transform:translateY(-5px); box-shadow:0 20px 50px rgba(0,0,0,.4); }
.role-card .icon { width:46px; height:46px; border-radius:11px; background:var(--blue-dim); display:flex; align-items:center; justify-content:center; margin-bottom:18px; }
.role-card h3 { font-family:"Lora",serif; font-size:1.05rem; margin-bottom:8px; }
.role-card p { font-size:.86rem; color:var(--white-dim); line-height:1.75; margin:0; }

/* ---- SECTION LEAD ---- */
.section p.lead { font-size:1.15rem; font-weight:300; line-height:1.85; max-width:700px; }

/* ---- RESPONSIVE ---- */
@media(max-width:768px){
  .vision-grid, .change-grid, .principle-grid, .role-grid { grid-template-columns:1fr; }
  .stats-inner { grid-template-columns:1fr 1fr; }
  .pt-row { grid-template-columns:70px 1fr; }
}