:root{--navy:#102d42;--ink:#183343;--muted:#5b6b75;--line:#dbe6e5;--paper:#f7faf8;--white:#fff;--amber:#eea64b;--amber-dark:#a75a16;--mint:#e8f3ef;--teal:#2e7774;--shadow:0 20px 65px rgba(25,57,68,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.58 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}button:focus-visible,a:focus-visible{outline:3px solid #d8993a;outline-offset:3px}.wrap{width:min(1160px,calc(100% - 40px));margin:0 auto}.site-header{background:#fff;border-bottom:1px solid var(--line)}.nav-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:inline-flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.06em;font-size:25px;color:var(--navy);white-space:nowrap}.brand small{display:block;letter-spacing:.15em;text-transform:uppercase;font-size:10px;color:#507073;font-weight:800;line-height:1.4}.brand-mark{width:44px;height:44px;display:block}.nav-right{display:flex;gap:16px;align-items:center}.nav-note{font-size:13px;color:var(--muted);font-weight:600}.text-link{font-size:14px;color:var(--teal);font-weight:750}.text-link:hover{text-decoration:underline}.hero{position:relative;overflow:hidden;background:linear-gradient(116deg,#f2f8f5 0%,#fffaf3 62%,#fff 100%);border-bottom:1px solid var(--line)}.hero:before{content:"";position:absolute;width:550px;height:550px;right:-230px;top:-280px;border-radius:50%;background:radial-gradient(circle,#e5f3ed 0%,transparent 70%);pointer-events:none}.hero-inner{position:relative;padding:58px 0 48px;display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:50px;align-items:center}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.17em;font-weight:850;color:#287b74}.hero h1{font-size:clamp(38px,4.4vw,59px);line-height:1.08;letter-spacing:-.055em;margin:13px 0 18px;color:var(--navy);max-width:790px}.hero h1 em{font-style:normal;color:#b87426}.hero-desc{font-size:clamp(17px,2vw,20px);line-height:1.6;max-width:750px;color:#4e626c;margin:0}.hero-points{margin:24px 0 0;display:flex;gap:10px;flex-wrap:wrap}.hero-point{font-size:13px;font-weight:700;color:#34515a;background:white;border:1px solid #dae9e5;border-radius:40px;padding:7px 12px}.idea-card{background:#fff;border:1px solid #e1e9e6;border-radius:22px;padding:26px;box-shadow:var(--shadow);transform:rotate(2deg)}.idea-card .halo{width:48px;height:48px;background:#fff3df;color:#9d631a;border-radius:16px;display:grid;place-items:center;font-size:28px;margin-bottom:12px}.idea-card strong{font-size:20px;line-height:1.2;display:block;color:var(--navy)}.idea-card p{font-size:14px;line-height:1.55;color:var(--muted);margin:11px 0 0}.kicker{font-size:12px;text-transform:uppercase;letter-spacing:.14em;font-weight:850;color:var(--teal)}.course{padding:38px 0 72px}.coursehead{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:16px}.coursehead h2{font-size:25px;line-height:1.2;letter-spacing:-.035em;margin:5px 0 0}.coursehead p{margin:4px 0 0;font-size:14px;color:var(--muted)}.step-counter{font-weight:800;color:var(--navy);font-size:14px;white-space:nowrap}.progress{display:flex;gap:5px;margin:0 0 24px}.progress button{height:7px;flex:1;min-width:0;border:0;border-radius:6px;background:#d6e5e0;cursor:pointer;padding:0;transition:background .2s}.progress button.done{background:#e9a447}.progress button.current{background:#b87827}.progress button:hover{background:var(--teal)}.course-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(290px,.72fr);gap:26px;align-items:start}.player-panel,.side-panel,.bottom-card,.membership,.join-hero,.faq-card{border:1px solid var(--line);background:#fff;border-radius:22px;box-shadow:0 12px 35px #1533470b}.player-panel{overflow:hidden}.video-area{background:linear-gradient(130deg,#112e40,#204653 48%,#153349);position:relative;aspect-ratio:16/9;display:grid;place-items:center;color:#fff;overflow:hidden}.video-area:before{content:"";position:absolute;inset:-60%;background:radial-gradient(circle at 65% 55%,#3c756d58 0%,transparent 32%),radial-gradient(circle at 30% 35%,#dbaa5130 0%,transparent 28%);transform:rotate(-14deg)}.video-area:after{content:"";position:absolute;inset:22px;border:1px solid #d8f0e123;border-radius:15px;pointer-events:none}.placeholder{position:relative;z-index:1;padding:22px;text-align:center;max-width:480px}.play-symbol{width:75px;height:75px;border:2px solid #f8c87c85;background:#f0ae4a20;border-radius:50%;display:grid;place-items:center;font-size:27px;margin:0 auto 21px;padding-left:4px}.video-area .video-title{font-size:clamp(20px,3vw,32px);font-weight:850;line-height:1.25;letter-spacing:-.035em;margin:0}.video-area .video-status{display:block;font-size:13px;letter-spacing:.04em;color:#d8e6e7;margin-top:12px}.video-area iframe{position:absolute;inset:0;width:100%;height:100%;border:0;z-index:3}.content-padding{padding:27px 30px 26px}.lesson-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;color:var(--teal);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.12em}.lesson-title{font-size:clamp(26px,3vw,35px);line-height:1.15;letter-spacing:-.044em;color:var(--navy);margin:13px 0}.lesson-summary{color:#4c606b;margin:0 0 17px;font-size:16px}.takeaway{padding:17px 19px;border-radius:13px;border:1px solid #cce1d9;background:#eef7f2;color:#20544d;font-weight:700;margin:20px 0}.takeaway span{display:block;color:#457c71;font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:5px}.button-row{display:flex;gap:10px;margin-top:22px;align-items:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:11px;border:1px solid transparent;font-size:15px;line-height:1.3;font-weight:800;text-align:center;padding:14px 21px;background:var(--navy);color:white;cursor:pointer;min-height:47px;transition:transform .12s,background .12s}.btn:hover{background:#23516a;transform:translateY(-1px)}.btn.gold{background:var(--amber);color:#162d38}.btn.gold:hover{background:#ffc071}.btn.secondary{background:#fff;border-color:#c8d7d5;color:var(--navy)}.btn.secondary:hover{background:#f0f6f2}.btn:disabled{opacity:.38;cursor:not-allowed;transform:none}.side-panel{padding:25px}.side-title{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:#507b7a;font-weight:850;margin:0 0 18px}.point-list{padding:0;margin:0;list-style:none;display:grid;gap:16px}.point-list li{display:flex;gap:11px;font-size:15px;color:#3a515c;line-height:1.5}.point-list li:before{content:'✓';display:grid;place-items:center;flex:none;width:22px;height:22px;border-radius:50%;font-size:13px;font-weight:900;background:#e5f3ea;color:#247562}.next-hint{border-top:1px solid var(--line);margin-top:25px;padding-top:23px}.next-hint p{font-size:15px;margin:7px 0;color:#4b626e}.next-hint .kicker{font-size:11px}.little-note{font-size:13px;color:#70818a;margin-top:21px;line-height:1.55}.memberships{display:none;margin-top:20px;grid-template-columns:1fr 1fr;gap:15px}.memberships.visible{display:grid}.membership{box-shadow:none;border-radius:16px;padding:20px;position:relative}.membership.featured{border:2px solid var(--amber)}.membership .tag{font-weight:800;font-size:11px;color:#9b5510;text-transform:uppercase;letter-spacing:.1em}.membership h4{font-size:19px;letter-spacing:-.02em;margin:6px 0 6px}.membership .price{font-size:30px;line-height:1.2;font-weight:900;color:var(--navy);letter-spacing:-.045em}.membership .price small{font-weight:600;font-size:13px;color:#748087;letter-spacing:0}.membership p{font-size:13px;color:#647580;line-height:1.5;min-height:42px}.membership .btn{width:100%;padding:12px 10px;font-size:13px}.membership .note{font-size:12px;color:#596e75;margin:10px 0 0}.footnote{font-size:12px;color:#718087;line-height:1.65;margin:18px 0 0}.site-footer{border-top:1px solid var(--line);background:white;padding:26px 0 34px;color:#6b7b84;font-size:13px}.footer-grid{display:flex;justify-content:space-between;gap:18px;align-items:center;flex-wrap:wrap}.footer-grid a{color:var(--teal);font-weight:700}.footer-grid a:hover{text-decoration:underline}.join-page{padding:68px 0 90px;max-width:1000px}.join-hero{padding:35px;box-shadow:none}.join-hero h1{font-size:clamp(31px,4vw,49px);letter-spacing:-.05em;line-height:1.14;color:var(--navy);margin:11px 0 14px}.join-hero p{color:var(--muted);font-size:17px;max-width:750px}.join-page .memberships{display:grid;margin:24px 0}.join-page .membership{box-shadow:var(--shadow);padding:30px}.join-page .membership .price{font-size:37px}.join-page .membership p{min-height:0}.join-page .membership .btn{font-size:15px}.faq-card{box-shadow:none;padding:26px 30px}.faq-card h2{font-size:23px;margin:0 0 16px;color:var(--navy)}.faq-card details{border-top:1px solid var(--line);padding:13px 0}.faq-card summary{cursor:pointer;font-weight:700}.faq-card details p{color:var(--muted);margin:10px 0;font-size:14px}.share{display:inline-flex;gap:8px;align-items:center;border:1px solid #cbdcd4;border-radius:10px;background:white;color:#365864;padding:9px 13px;cursor:pointer;font-size:13px;font-weight:750}.share:hover{background:#f0f7f2}
@media(max-width:950px){.hero-inner{grid-template-columns:1fr;gap:0}.idea-card{display:none}.course-grid{grid-template-columns:1fr}.side-panel{order:2}.hero-inner{padding:46px 0}.hero h1{font-size:clamp(37px,6.1vw,56px)}}
@media(max-width:680px){.wrap{width:calc(100% - 28px)}.nav-inner{min-height:70px}.brand{font-size:20px;gap:8px}.brand-mark{width:36px;height:36px}.nav-note{display:none}.hero-inner{padding:34px 0 32px}.hero h1{font-size:36px}.hero-desc{font-size:16px}.hero-point{font-size:11px}.course{padding:26px 0 50px}.coursehead h2{font-size:21px}.coursehead p{font-size:12px}.progress{gap:3px}.player-panel,.side-panel{border-radius:16px}.content-padding{padding:21px}.lesson-title{font-size:27px}.video-area:after{inset:10px}.play-symbol{width:58px;height:58px;font-size:20px;margin-bottom:13px}.video-area .video-title{font-size:19px}.video-area .video-status{font-size:11px}.button-row .btn{flex:1}.memberships,.join-page .memberships{grid-template-columns:1fr}.membership p{min-height:0}.join-page{padding:30px 0 50px}.join-hero{padding:24px}.join-page .membership{padding:23px}.faq-card{padding:21px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* Optional self-replicating presentation bonus, shown only after step ten */
.replication{display:none;background:linear-gradient(120deg,#fff7e9,#f2f9f5);border:1px solid #e7ddc9;border-radius:17px;padding:23px;margin:20px 0 0}
.replication.visible{display:block}.replication-kicker{font-size:11px;color:#a26622;text-transform:uppercase;letter-spacing:.13em;font-weight:850}
.replication h4{font-size:23px;color:var(--navy);letter-spacing:-.03em;line-height:1.2;margin:9px 0}
.replication p{color:#4b626b;font-size:14px;line-height:1.6;margin:10px 0 14px}
.example-link{background:#fff;border:1px solid #e7e5d9;border-radius:10px;padding:10px 13px;display:flex;gap:12px;align-items:center;flex-wrap:wrap;color:#61737b;font-size:12px}
.example-link code{font-size:14px;font-weight:700;color:var(--navy);overflow-wrap:anywhere}
.replication-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:17px}
.replication-grid>div{background:#fff;border:1px solid #e3e8e3;border-radius:12px;padding:15px}
.replication-grid strong{font-size:27px;line-height:1.2;color:#a6671e;display:block;margin-bottom:7px}
.replication-grid span{font-size:13px;line-height:1.55;color:#53636c;display:block}
.replication .replication-ethics{font-size:12px;margin:15px 0 0;color:#6a737b}
@media(max-width:680px){.replication{padding:17px}.replication-grid{grid-template-columns:1fr}}