:root{
  --navy:#0d2340;--navy-2:#173858;--ink:#142235;--muted:#667487;--line:#dfe5eb;--paper:#ffffff;--soft:#f5f7f9;--sand:#eef1f3;--accent:#b78543;--green:#2d6b57;--red:#9a4d4d;--shadow:0 18px 50px rgba(13,35,64,.09);--radius:18px;--radius-sm:12px;--max:1180px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"DM Sans",Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}body.menu-open{overflow:hidden}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.site-shell{overflow:hidden}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(223,229,235,.85)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;font-family:"Libre Franklin",Arial,sans-serif;letter-spacing:.02em}.brand-mark{width:34px;height:34px;border:1px solid var(--navy);display:grid;place-items:center;border-radius:9px}.brand-mark svg{width:22px;height:22px;fill:none;stroke:var(--navy);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}.brand strong{font-size:14px}.brand em{font-style:normal;font-size:12px;margin-left:5px;color:var(--accent)}.main-nav{display:flex;align-items:center;gap:29px;font-size:14px;font-weight:600}.main-nav>a,.nav-drop-btn{color:#34455a;transition:.2s}.main-nav>a:hover,.nav-drop-btn:hover{color:var(--navy)}.nav-dropdown{position:relative}.nav-drop-btn{background:none;border:0;padding:26px 0;cursor:pointer}.nav-menu{position:absolute;right:0;top:60px;width:290px;background:white;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:10px;opacity:0;pointer-events:none;transform:translateY(7px);transition:.2s}.nav-dropdown:hover .nav-menu,.nav-dropdown:focus-within .nav-menu{opacity:1;pointer-events:auto;transform:none}.nav-menu a{display:block;padding:9px 11px;border-radius:9px;font-weight:500;color:#405065}.nav-menu a:hover{background:var(--soft);color:var(--navy)}.menu-toggle{display:none;background:none;border:0;padding:8px}.menu-toggle span{width:23px;height:2px;background:var(--navy);display:block;margin:5px}.eyebrow{display:inline-block;font-size:11px;letter-spacing:.16em;font-weight:700;color:var(--accent);margin-bottom:15px}.hero{padding:80px 0 65px;background:linear-gradient(180deg,#fbfcfd 0%,#fff 100%)}.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:72px;align-items:center}.hero h1,.lesson-hero h1,.predictor-hero h1,.simple-hero h1{font-family:"Libre Franklin",Arial,sans-serif;line-height:1.08;letter-spacing:-.035em;color:var(--navy);margin:0 0 24px}.hero h1{font-size:clamp(44px,5vw,72px);max-width:780px}.hero-lead{font-size:18px;color:#526176;max-width:720px;margin:0 0 30px}.hero-actions,.cta-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 20px;border-radius:10px;border:1px solid transparent;font-weight:700;font-size:14px;cursor:pointer;transition:.2s}.btn-primary{background:var(--navy);color:#fff}.btn-primary:hover{background:#17395e;transform:translateY(-1px)}.btn-quiet{background:#fff;border-color:var(--line);color:var(--navy)}.btn-quiet:hover{background:var(--soft)}.btn-light{background:#fff;color:var(--navy)}.btn-outline-light{border-color:rgba(255,255,255,.45);color:#fff}.btn-block{width:100%;margin-top:10px}.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:42px;padding-top:25px;border-top:1px solid var(--line)}.trust-row strong,.trust-row span{display:block}.trust-row strong{font-size:18px;color:var(--navy)}.trust-row span{font-size:12px;color:var(--muted)}.market-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:20px}.market-card-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:700;margin-bottom:15px}.live-pill{font-size:11px;background:#eef5f2;color:var(--green);border-radius:20px;padding:6px 9px}.live-pill i{width:6px;height:6px;background:var(--green);display:inline-block;border-radius:50%;margin-right:6px}.mini-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}.mini-metrics div{padding:10px 12px;background:var(--soft);border-radius:10px}.mini-metrics span,.mini-metrics strong{display:block}.mini-metrics span{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.mini-metrics strong{font-size:12px;margin-top:3px}.hero-note{width:84%;margin:-7px auto 0;background:var(--navy);color:#fff;border-radius:13px;padding:12px 14px;display:flex;gap:10px;box-shadow:0 10px 28px rgba(13,35,64,.16);position:relative}.hero-note>span{width:22px;height:22px;border-radius:50%;background:#fff;color:var(--navy);display:grid;place-items:center;font-size:12px;flex:0 0 auto}.hero-note p{font-size:12px;line-height:1.45;margin:0}.section{padding:78px 0}.section-tight{padding-top:62px}.section-heading{margin-bottom:34px}.split-heading{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:end}.section-heading h2,.preview-copy h2,.explainer-grid h2,.contact-card h2,.lesson-section h2,.worked-example h2{font-family:"Libre Franklin",Arial,sans-serif;color:var(--navy);line-height:1.18;letter-spacing:-.025em;margin:0}.section-heading h2,.preview-copy h2,.explainer-grid h2{font-size:clamp(30px,3.2vw,46px)}.section-heading p{margin:0;color:var(--muted);max-width:520px}.centered-heading{text-align:center}.centered-heading h2{max-width:680px;margin:auto}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.topic-card{border:1px solid var(--line);border-radius:16px;padding:22px;background:white;min-height:245px;display:flex;flex-direction:column;transition:.22s}.topic-card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(13,35,64,.08);border-color:#cbd5df}.topic-icon{width:42px;height:42px;border:1px solid #cfd8e2;border-radius:11px;display:grid;place-items:center;color:var(--navy);font-size:20px;margin-bottom:18px}.topic-meta{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}.topic-card h3{font-family:"Libre Franklin",Arial,sans-serif;margin:7px 0 8px;color:var(--navy);font-size:19px}.topic-card p{font-size:13px;color:var(--muted);margin:0 0 15px}.text-link{margin-top:auto;color:var(--navy);font-size:13px;font-weight:700}.soft-section{background:var(--soft);border-top:1px solid #edf0f3;border-bottom:1px solid #edf0f3}.predictor-preview-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:70px;align-items:center}.preview-copy>p,.explainer-grid>div>p{color:var(--muted)}.note-stack{margin:24px 0 28px}.note-card{display:flex;gap:14px;padding:14px 0;border-top:1px solid #dce2e7}.note-card>span{color:var(--accent);font-size:11px;font-weight:700}.note-card strong{font-size:14px}.note-card p{font-size:12px;color:var(--muted);margin:3px 0 0}.preview-panel{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:22px}.terminal-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:15px;border-bottom:1px solid var(--line)}.terminal-head>div{display:flex;gap:5px}.terminal-head span{width:8px;height:8px;border-radius:50%;background:#c9d0d7}.terminal-head small{letter-spacing:.12em;color:var(--muted)}.mock-symbol{display:flex;justify-content:space-between;align-items:end;padding:21px 0 8px}.mock-symbol span,.mock-symbol small{display:block}.mock-symbol span{font-family:"Libre Franklin";font-size:28px;color:var(--navy);font-weight:700}.mock-symbol small{font-size:11px;color:var(--muted)}.mock-symbol strong{font-size:23px}.mock-chart{border:1px solid #edf0f3;border-radius:12px;overflow:hidden}.preview-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}.preview-stats div{padding:10px;background:var(--soft);border-radius:10px}.preview-stats small,.preview-stats strong{display:block}.preview-stats small{font-size:9px;letter-spacing:.08em;color:var(--muted)}.preview-stats strong{font-size:12px;margin-top:3px}.microcopy{font-size:11px;color:var(--muted);margin:12px 0 0}.principle-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.principle-grid article{padding:24px 20px;border-top:2px solid var(--navy);background:#fbfcfd}.principle-grid span{font-size:11px;color:var(--accent);font-weight:700}.principle-grid h3{font-size:17px;color:var(--navy);margin:10px 0 8px}.principle-grid p{font-size:13px;color:var(--muted);margin:0}.compact-cta{padding-top:30px}.cta-box{background:var(--navy);border-radius:20px;padding:42px 46px;color:#fff;display:flex;justify-content:space-between;gap:35px;align-items:center}.cta-box h2{font-family:"Libre Franklin";font-size:30px;line-height:1.2;margin:0 0 10px}.cta-box p{margin:0;color:#cfdae6}.site-footer{margin-top:70px;background:#0a1b31;color:#c8d3df;padding:54px 0 18px}.footer-grid{display:grid;grid-template-columns:1.6fr .7fr 1fr;gap:60px}.brand-footer{color:#fff}.brand-footer .brand-mark{border-color:#90a4b8}.brand-footer .brand-mark svg{stroke:#fff}.footer-grid h4{color:#fff;margin:0 0 13px}.footer-grid a{display:block;margin:7px 0;font-size:13px}.footer-grid p{font-size:13px;max-width:420px}.footer-small{color:#9fb0c2}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:18px;font-size:11px;color:#8ea1b4}
/* lessons */
.lesson-hero,.predictor-hero,.simple-hero{padding:70px 0 52px;background:#f8fafb;border-bottom:1px solid var(--line)}.lesson-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:65px;align-items:center}.lesson-hero h1,.predictor-hero h1,.simple-hero h1{font-size:clamp(40px,5vw,62px)}.lesson-quickpoints{margin-top:28px}.lesson-quickpoints>div{display:flex;gap:10px;align-items:flex-start;margin:10px 0;color:#42536a;font-size:13px}.lesson-quickpoints span{width:20px;height:20px;border:1px solid #b9c7d5;color:var(--green);display:grid;place-items:center;border-radius:50%;font-size:10px;flex:0 0 auto}.lesson-visual img{max-height:330px;margin:auto}.lesson-layout{padding-top:62px}.lesson-shell{display:grid;grid-template-columns:250px minmax(0,760px);gap:70px;justify-content:center}.sticky-index{position:sticky;top:110px}.index-title{font-size:10px;letter-spacing:.14em;color:var(--muted);font-weight:700;display:block;margin-bottom:10px}.sticky-index>a{display:block;padding:7px 0;font-size:12px;color:#536378;border-bottom:1px solid #edf0f2}.sticky-index>a:hover{color:var(--navy)}.index-note{margin-top:20px;background:var(--soft);padding:14px;border-radius:10px;font-size:12px}.index-note strong{color:var(--navy)}.index-note p{margin:4px 0 0;color:var(--muted)}.lesson-section{padding:0 0 48px;margin-bottom:48px;border-bottom:1px solid var(--line);scroll-margin-top:110px}.section-number{font-size:11px;color:var(--accent);font-weight:700;letter-spacing:.1em}.lesson-section h2,.worked-example h2{font-size:30px;margin:7px 0 16px}.lesson-section>p,.worked-example>p{color:#4d5d71;font-size:16px}.clean-list{padding:0;margin:22px 0;list-style:none}.clean-list li{position:relative;padding:9px 0 9px 25px;color:#3e5066}.clean-list li:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--navy);position:absolute;left:3px;top:18px}.important-note{display:flex;gap:13px;padding:16px 17px;background:#f7f4ef;border-left:3px solid var(--accent);border-radius:0 10px 10px 0;margin-top:22px}.important-note>span{width:23px;height:23px;border-radius:50%;background:#fff;display:grid;place-items:center;font-weight:700;color:var(--accent);flex:0 0 auto}.important-note strong{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:#6e5633}.important-note p{font-size:13px;margin:3px 0 0;color:#655f57}.worked-example{background:var(--navy);color:white;padding:30px;border-radius:16px;scroll-margin-top:110px}.worked-example h2{color:#fff}.worked-example>p{color:#d4deea;margin-bottom:0}.lesson-next{margin-top:38px;padding:22px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:30px;align-items:center}.lesson-next span,.lesson-next strong{display:block}.lesson-next span{font-size:10px;letter-spacing:.12em;color:var(--muted)}.lesson-next strong{font-size:14px}.lesson-next a{font-size:13px;font-weight:700;color:var(--navy)}
/* predictor */
.predictor-heading{display:flex;justify-content:space-between;gap:50px;align-items:end}.predictor-heading>div:first-child{max-width:780px}.status-box{display:flex;gap:10px;align-items:center;padding:13px 15px;border:1px solid var(--line);background:white;border-radius:12px;min-width:245px}.status-dot{width:9px;height:9px;border-radius:50%;background:var(--accent)}.status-box.ready .status-dot{background:var(--green)}.status-box strong,.status-box small{display:block}.status-box strong{font-size:12px}.status-box small{font-size:10px;color:var(--muted);margin-top:2px}.predictor-layout{display:grid;grid-template-columns:285px 1fr;gap:30px;align-items:start}.predictor-controls{border:1px solid var(--line);border-radius:16px;padding:20px;position:sticky;top:100px}.panel-title{padding-bottom:15px;border-bottom:1px solid var(--line);margin-bottom:17px}.panel-title span,.panel-title small{display:block}.panel-title span{font-size:14px;font-weight:700;color:var(--navy)}.panel-title small{font-size:10px;color:var(--muted)}.predictor-controls label,.contact-card label{display:block;font-size:11px;font-weight:700;color:#4e5c6f;margin:13px 0}.predictor-controls input,.predictor-controls select,.contact-card input,.contact-card textarea,.search-box input{width:100%;border:1px solid #cfd8e1;background:white;border-radius:9px;padding:11px 12px;color:var(--ink);margin-top:6px;outline:none}.predictor-controls input:focus,.predictor-controls select:focus,.contact-card input:focus,.contact-card textarea:focus,.search-box input:focus{border-color:#8297ab;box-shadow:0 0 0 3px rgba(23,56,88,.08)}.quick-tickers{display:flex;gap:6px;flex-wrap:wrap}.quick-tickers button{border:1px solid var(--line);background:var(--soft);border-radius:20px;padding:5px 9px;font-size:10px;cursor:pointer}.control-note{display:flex;gap:8px;margin-top:16px;padding:11px;background:var(--soft);border-radius:9px}.control-note>span{width:18px;height:18px;border-radius:50%;background:white;display:grid;place-items:center;font-size:10px;flex:0 0 auto}.control-note p{font-size:10px;line-height:1.45;color:var(--muted);margin:0}.control-note code{font-size:10px}.predictor-output{min-width:0}.predictor-alert{padding:11px 13px;border-radius:10px;background:#fbf3e7;border:1px solid #ead8bc;color:#71562f;font-size:12px;margin-bottom:12px}.summary-strip{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:14px;background:white;overflow:hidden;margin-bottom:15px}.summary-strip>div{padding:14px 13px;border-right:1px solid var(--line)}.summary-strip>div:last-child{border:0}.summary-strip small,.summary-strip strong{display:block}.summary-strip small{font-size:8px;letter-spacing:.09em;color:var(--muted)}.summary-strip strong{font-size:16px;color:var(--navy);margin-top:4px}.chart-panel{border:1px solid var(--line);border-radius:16px;background:#fff;padding:20px}.chart-panel-head{display:flex;justify-content:space-between;gap:20px;align-items:start}.chart-kicker{font-size:9px;letter-spacing:.12em;color:var(--muted)}.chart-panel h2{font-family:"Libre Franklin";color:var(--navy);font-size:23px;margin:4px 0 0}.chart-legend{display:flex;gap:13px;font-size:10px;color:var(--muted)}.chart-legend i{display:inline-block;width:14px;height:3px;margin-right:5px;vertical-align:middle}.history-key{background:#8d9bac}.forecast-key{background:var(--navy)}.range-key{background:#d8e0e7;height:7px!important}.chart-wrap{position:relative;height:390px;margin-top:16px}.chart-loading{position:absolute;inset:0;background:rgba(255,255,255,.9);display:grid;place-items:center;align-content:center;gap:10px}.chart-loading span{width:30px;height:30px;border:3px solid #dce3ea;border-top-color:var(--navy);border-radius:50%;animation:spin .8s linear infinite}.chart-loading p{font-size:12px;color:var(--muted)}@keyframes spin{to{transform:rotate(360deg)}}.chart-foot{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);padding-top:12px;border-top:1px solid #edf0f2}.model-details{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}.model-details article{display:flex;gap:11px;padding:16px;border:1px solid var(--line);border-radius:13px;background:white}.detail-icon{width:32px;height:32px;border-radius:9px;background:var(--soft);display:grid;place-items:center;color:var(--navy);font-size:12px;font-weight:700;flex:0 0 auto}.model-details small,.model-details strong{display:block}.model-details small{font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.model-details strong{font-size:17px;color:var(--navy);margin:2px 0}.model-details p{font-size:10px;color:var(--muted);margin:0}.disclaimer-box{border-left:3px solid var(--red);background:#faf4f4;padding:14px 16px;margin-top:14px}.disclaimer-box strong{font-size:12px;color:#7a3d3d}.disclaimer-box p{font-size:11px;color:#6f5f60;margin:4px 0 0}.explainer-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.process-list{display:grid;grid-template-columns:1fr 1fr;gap:13px}.process-list>div{background:white;border:1px solid var(--line);border-radius:12px;padding:17px}.process-list span{font-size:10px;color:var(--accent);font-weight:700}.process-list strong{display:block;color:var(--navy);margin:4px 0}.process-list p{font-size:11px;color:var(--muted);margin:0}
/* glossary/contact */
.simple-hero .container{max-width:900px;text-align:center}.simple-hero .hero-lead{margin-left:auto;margin-right:auto}.search-box{position:relative;max-width:600px;margin:28px auto 0}.search-box input{padding:14px 45px 14px 15px;margin:0}.search-box span{position:absolute;right:15px;top:12px;color:var(--muted);font-size:20px}.glossary-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.glossary-card{display:flex;gap:15px;padding:18px;border:1px solid var(--line);border-radius:13px}.glossary-card>span{width:36px;height:36px;background:var(--soft);border-radius:8px;display:grid;place-items:center;color:var(--navy);font-weight:700;flex:0 0 auto}.glossary-card h3{font-size:15px;color:var(--navy);margin:0 0 5px}.glossary-card p{font-size:12px;color:var(--muted);margin:0}.empty-state{text-align:center;color:var(--muted);padding:50px}.contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:45px}.contact-card{border:1px solid var(--line);padding:28px;border-radius:16px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}.contact-card textarea{resize:vertical}.form-message{font-size:12px;color:var(--green);margin-top:12px}.contact-info>div:not(.important-note){padding:18px 0;border-bottom:1px solid var(--line)}.contact-info small,.contact-info strong{display:block}.contact-info small{font-size:9px;letter-spacing:.1em;color:var(--muted)}.contact-info strong{font-size:14px;color:var(--navy);margin-top:4px}.hidden{display:none!important}
/* reveal */
.reveal{opacity:0;transform:translateY(15px);transition:opacity .65s ease,transform .65s ease}.reveal.visible{opacity:1;transform:none}
@media (max-width:980px){.main-nav{gap:17px}.hero-grid,.lesson-hero-grid,.predictor-preview-grid,.explainer-grid{grid-template-columns:1fr;gap:40px}.hero{padding-top:55px}.hero-visual{max-width:700px}.topic-grid{grid-template-columns:1fr 1fr}.principle-grid{grid-template-columns:1fr 1fr}.split-heading{grid-template-columns:1fr;gap:12px}.lesson-shell{grid-template-columns:210px 1fr;gap:35px}.predictor-layout{grid-template-columns:1fr}.predictor-controls{position:relative;top:auto}.summary-strip{grid-template-columns:repeat(5,minmax(110px,1fr));overflow:auto}.predictor-heading{align-items:start;flex-direction:column}.contact-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.2fr .8fr}.footer-grid>div:last-child{grid-column:1/-1}}
@media (max-width:760px){.container{width:min(var(--max),calc(100% - 26px))}.header-inner{height:66px}.menu-toggle{display:block}.main-nav{position:fixed;inset:66px 0 auto 0;background:white;border-bottom:1px solid var(--line);padding:20px;display:none;flex-direction:column;align-items:stretch;gap:0}.menu-open .main-nav{display:flex}.main-nav>a,.nav-drop-btn{padding:12px 0}.nav-menu{position:static;width:auto;opacity:1;pointer-events:auto;transform:none;box-shadow:none;border:0;padding:0 0 0 14px;display:none}.nav-dropdown.open .nav-menu{display:block}.hero,.lesson-hero,.predictor-hero,.simple-hero{padding:48px 0 38px}.hero h1{font-size:43px}.hero-lead{font-size:16px}.trust-row{gap:8px}.trust-row strong{font-size:15px}.trust-row span{font-size:10px}.market-card{padding:13px}.mini-metrics{grid-template-columns:1fr}.hero-note{width:94%}.section{padding:56px 0}.topic-grid,.principle-grid,.glossary-grid,.process-list{grid-template-columns:1fr}.predictor-preview-grid{gap:35px}.preview-stats{grid-template-columns:1fr}.cta-box{padding:30px 24px;display:block}.cta-actions{margin-top:22px}.lesson-shell{grid-template-columns:1fr}.lesson-index{display:none}.lesson-section h2,.worked-example h2{font-size:25px}.predictor-heading{gap:20px}.status-box{width:100%}.chart-panel-head,.chart-foot{flex-direction:column}.chart-legend{margin-top:8px}.chart-wrap{height:310px}.model-details{grid-template-columns:1fr}.summary-strip{display:grid;grid-template-columns:1fr 1fr;overflow:visible}.summary-strip>div:nth-child(2),.summary-strip>div:nth-child(4){border-right:0}.summary-strip>div{border-bottom:1px solid var(--line)}.summary-strip>div:last-child{grid-column:1/-1;border-bottom:0}.form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{flex-direction:column;gap:7px}.site-footer{margin-top:40px}}


/* enriched home + lesson visuals */
.home-hero-grid{grid-template-columns:1fr 1fr;align-items:center}
.hero-photo-stack{display:grid;gap:16px}
.hero-photo-card{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow);min-height:460px;background:#dbe2e9}
.hero-photo-card img{width:100%;height:100%;object-fit:cover}
.photo-badge{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);color:var(--navy);padding:12px 14px;border-radius:12px;font-weight:700;font-size:13px;max-width:310px}
.hero-metric-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 20px;box-shadow:var(--shadow)}
.hero-metric-card small{display:block;font-size:10px;letter-spacing:.11em;color:var(--muted);margin-bottom:6px}
.hero-metric-card strong{display:block;font-family:"Libre Franklin",Arial,sans-serif;color:var(--navy);font-size:22px;line-height:1.25;margin-bottom:8px}
.hero-metric-card p{margin:0;color:var(--muted)}
.enhanced-topic-grid .topic-card{padding:0;overflow:hidden;min-height:100%}
.topic-card-rich .topic-thumb{height:170px;overflow:hidden}
.topic-card-rich .topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.topic-card-rich:hover .topic-thumb img{transform:scale(1.03)}
.topic-card-rich .topic-meta,.topic-card-rich h3,.topic-card-rich p,.topic-card-rich .topic-note,.topic-card-rich .text-link{padding-left:20px;padding-right:20px}
.topic-card-rich .topic-meta{padding-top:17px}
.topic-card-rich .topic-note{font-size:12px;color:#42536a;background:#f7fafc;border-top:1px solid #edf1f4;padding-top:12px;padding-bottom:12px;margin-top:auto}
.topic-card-rich .text-link{padding-bottom:20px}
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.path-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 10px 24px rgba(13,35,64,.05)}
.path-card img{width:100%;height:210px;object-fit:cover}
.path-card div{padding:20px}
.path-card span{font-size:10px;letter-spacing:.11em;color:var(--accent);font-weight:700}
.path-card h3{font-size:22px;font-family:"Libre Franklin",Arial,sans-serif;color:var(--navy);margin:8px 0 10px}
.path-card p{margin:0;color:var(--muted);font-size:14px}
.lesson-hero-rich{align-items:center}
.lesson-visual-photo{display:grid;gap:14px}
.lesson-photo-frame{border-radius:22px;overflow:hidden;box-shadow:var(--shadow);background:#dde4ea;min-height:360px}
.lesson-photo-frame img{width:100%;height:100%;object-fit:cover}
.lesson-side-note{background:#fff;border:1px solid var(--line);padding:16px 18px;border-radius:14px;box-shadow:0 10px 22px rgba(13,35,64,.05)}
.lesson-side-note strong{display:block;color:var(--navy);margin-bottom:4px}
.lesson-side-note p{margin:0;color:var(--muted);font-size:13px}
.lesson-section p{color:#4d5d71;font-size:16px;margin:0 0 16px}
.lesson-chart-card{border:1px solid var(--line);border-radius:16px;background:#fff;padding:18px 18px 14px;margin:26px 0 8px;box-shadow:0 8px 20px rgba(13,35,64,.04)}
.lesson-chart-head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:12px}
.lesson-chart-head strong{color:var(--navy);font-size:15px}
.lesson-chart-head span{font-size:10px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
.lesson-chart-wrap{height:310px;position:relative}
.chart-note{font-size:12px;color:var(--muted);margin:12px 0 0}
.recap-shell{padding-top:16px}
.recap-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.recap-card{border:1px solid var(--line);border-radius:16px;background:#fbfcfd;padding:22px}
.recap-card h3{font-family:"Libre Franklin",Arial,sans-serif;color:var(--navy);font-size:25px;margin:0 0 10px}
.compact-list li{padding-top:7px;padding-bottom:7px}
.question-list{margin:10px 0 0;padding-left:22px;color:#44556a}
.question-list li{margin:0 0 10px;padding-left:4px}
@media (max-width:980px){.home-hero-grid,.path-grid,.recap-grid{grid-template-columns:1fr}.hero-photo-card{min-height:340px}}
@media (max-width:760px){.hero-photo-card{min-height:280px}.topic-card-rich .topic-thumb{height:150px}.path-card img{height:180px}.lesson-chart-wrap{height:260px}.recap-card h3{font-size:22px}}