:root{
  --green-900:#24453E;
  --green-600:#51BA6F;
  --green-300:#85CA9E;
  --blue-500:#3EA3B6;
  --bg:#F7FAF8;
  --surface:#FFFFFF;
  --surface-2:#EFF6F2;
  --line:#DCE8E2;
  --text:#253A35;
  --muted:#5D716B;
  --danger-bg:#FFF3F1;
  --danger:#B54E42;
  --success-bg:#EDF8F0;
  --shadow:0 14px 40px rgba(36,69,62,.08);
  --radius:22px;
  --radius-sm:14px;
  --max:760px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:18px;line-height:1.62;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select{font:inherit}
.serif,h1,h2,h3{font-family:Georgia,"Times New Roman",serif;color:var(--green-900);letter-spacing:-.02em}
.container{width:min(100% - 40px,1180px);margin:auto}
.reading{width:min(100% - 40px,var(--max));margin:auto}
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(220,232,226,.9)}
.topbar-inner{min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--green-900)}
.brand img{width:168px;height:auto;object-fit:contain}
.brand-divider{width:1px;height:28px;background:var(--line)}
.brand-label{font-weight:650;letter-spacing:.01em}
.nav{display:flex;align-items:center;gap:26px;font-size:15px;font-weight:600}
.nav a:hover{color:var(--green-600)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:12px;padding:14px 20px;font-weight:750;cursor:pointer;transition:.18s ease;min-height:52px}
.btn-primary{background:var(--green-900);color:#fff;box-shadow:0 10px 22px rgba(36,69,62,.14)}
.btn-primary:hover{transform:translateY(-1px);background:#183832}
.btn-secondary{background:#fff;border:1px solid var(--line);color:var(--green-900)}
.btn-secondary:hover{border-color:var(--green-300)}
.btn-green{background:var(--green-600);color:var(--green-900)}
.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 10px;border-radius:999px;background:#E7F4EB;color:var(--green-900);font-weight:800;text-transform:uppercase;letter-spacing:.07em;font-size:12px}
.hero{padding:68px 0 46px;background:linear-gradient(180deg,#fff 0%,#F5FAF7 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(46px,5.6vw,74px);line-height:1.02;margin:18px 0 18px;max-width:760px}
.hero .subtitle{font-size:clamp(22px,2.2vw,30px);line-height:1.26;color:var(--green-900);margin:0 0 18px;max-width:680px}
.hero .lead{font-size:19px;max-width:620px;color:var(--muted)}
.feature-list{display:grid;gap:12px;margin:26px 0 30px;padding:0;list-style:none}
.feature-list li{display:flex;gap:11px;align-items:flex-start}
.checkdot{width:25px;height:25px;border-radius:50%;display:inline-grid;place-items:center;background:var(--green-900);color:#fff;font-size:14px;flex:0 0 auto;margin-top:2px}
.hero-art{position:relative;min-height:540px;border-radius:34px;overflow:hidden;background:linear-gradient(145deg,#D8EBDE,#F7F4EA);box-shadow:var(--shadow);border:1px solid rgba(36,69,62,.08)}
.hero-art:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 22%,rgba(81,186,111,.28),transparent 29%),radial-gradient(circle at 22% 78%,rgba(62,163,182,.18),transparent 35%)}
.paper{position:absolute;left:12%;right:10%;bottom:10%;height:46%;background:#fff;border-radius:20px;transform:rotate(-4deg);box-shadow:0 24px 45px rgba(36,69,62,.16);border:1px solid #E8ECE9;padding:28px}
.paper-line{height:8px;background:#DCE8E2;border-radius:99px;margin:14px 0}.paper-line.short{width:58%}.paper-line.mid{width:78%}
.plant{position:absolute;right:14%;top:13%;width:180px;height:250px}
.stem{position:absolute;width:7px;height:168px;background:var(--green-900);left:87px;bottom:0;border-radius:8px;transform:rotate(-4deg)}
.leaf{position:absolute;width:72px;height:42px;background:linear-gradient(140deg,var(--green-600),var(--green-300));border-radius:70% 12% 70% 12%;box-shadow:inset -10px -10px 20px rgba(36,69,62,.09)}
.leaf.l1{left:18px;top:87px;transform:rotate(24deg)}.leaf.l2{left:92px;top:58px;transform:scaleX(-1) rotate(19deg)}.leaf.l3{left:26px;top:28px;transform:rotate(45deg) scale(.82)}
.pen{position:absolute;right:6%;bottom:16%;width:200px;height:18px;border-radius:99px;background:linear-gradient(90deg,#183832,#3EA3B6);transform:rotate(-32deg);box-shadow:0 12px 20px rgba(36,69,62,.18)}
.pen:after{content:"";position:absolute;right:-18px;top:3px;border-left:20px solid #B8B2A2;border-top:6px solid transparent;border-bottom:6px solid transparent}
.section{padding:72px 0}
.section-title{font-size:clamp(34px,4vw,48px);line-height:1.12;margin:0 0 14px}.section-lead{color:var(--muted);max-width:760px;margin:0 0 34px}
.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 30px rgba(36,69,62,.04);padding:26px}
.iconbox{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:#E8F4EC;color:var(--green-900);font-weight:900;margin-bottom:14px}
.quote{margin-top:28px;background:linear-gradient(135deg,#EFF6F3,#F7FBF9);border:1px solid var(--line);border-radius:var(--radius);padding:28px;font-family:Georgia,serif;font-size:20px;color:var(--green-900)}
.capture{padding:70px 0;background:var(--green-900);color:#fff}.capture h2{color:#fff;font-size:clamp(36px,4vw,50px);line-height:1.1;margin:0 0 12px}.capture p{color:#DDE9E5;max-width:620px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}.field{display:grid;gap:8px}.field label{font-size:14px;font-weight:750;color:#E7F2EE}.field input,.field select{width:100%;border:1px solid rgba(255,255,255,.25);background:#fff;color:var(--text);border-radius:12px;min-height:54px;padding:0 15px;outline:none}.field input:focus,.field select:focus{box-shadow:0 0 0 4px rgba(133,202,158,.24);border-color:var(--green-300)}.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap}.fine{font-size:13px;color:#BFD1CB}.hidden{position:absolute;left:-9999px}
.footer{padding:28px 0;background:#17362F;color:#DDE9E5;font-size:14px}.footer-inner{display:flex;justify-content:space-between;gap:20px;align-items:center}.footer-brand{display:flex;align-items:center;gap:18px}.footer-brand img{width:132px;height:auto}.footer-links{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.footer-links a:hover{color:#fff}
/* course */
.course-shell{min-height:100vh}.course-header{background:#fff;border-bottom:1px solid var(--line)}
.course-head-inner{width:min(100% - 40px,900px);margin:auto;padding:18px 0}.course-head-top{display:flex;align-items:center;justify-content:space-between;gap:18px}.progress-meta{display:flex;justify-content:space-between;gap:20px;font-size:14px;font-weight:750;color:var(--green-900);margin:14px 0 7px}.progress{height:8px;background:#E4ECE8;border-radius:99px;overflow:hidden}.progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--green-900),var(--blue-500));border-radius:99px}.course-nav{display:flex;justify-content:space-between;gap:16px;margin-top:16px}.course-main{padding:52px 0 86px}.module-label{font-size:13px;font-weight:850;letter-spacing:.08em;text-transform:uppercase;color:var(--green-900)}.module-title{font-size:clamp(39px,5vw,58px);line-height:1.04;margin:8px 0 12px}.module-sub{font-family:Georgia,serif;font-size:24px;line-height:1.35;color:var(--green-900);margin:0 0 20px}.intro{color:var(--muted);font-size:18px}
.flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:12px;align-items:center;margin:36px 0}.flow-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 16px;text-align:center}.flow-icon{width:62px;height:62px;margin:0 auto 12px;border-radius:20px;background:#EAF4EF;display:grid;place-items:center;font-size:29px}.flow-card b{display:block;color:var(--green-900);font-size:15px}.flow-card small{color:var(--muted);font-size:13px}.flow-arrow{font-size:28px;color:var(--green-600);font-weight:800}
.idea{background:linear-gradient(135deg,#EAF6EE,#F3FAF5);border:1px solid #D8EBDC;border-radius:var(--radius);padding:24px;margin:30px 0}.idea-title,.comment-title,.apply-title,.more-title{display:flex;gap:10px;align-items:center;font-family:Georgia,serif;font-weight:800;font-size:21px;color:var(--green-900);margin-bottom:8px}.idea p,.comment p{margin:0}.module-section{margin-top:52px}.module-section h2{font-size:33px;line-height:1.12;margin:0 0 14px}.three-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.mini{padding:20px;border-radius:18px;background:#fff;border:1px solid var(--line)}.mini strong{color:var(--green-900);display:block;margin-bottom:5px}.comment{background:#EAF5F9;border:1px solid #D4EAF1;border-radius:var(--radius);padding:24px;margin:24px 0}.apply{background:#FFF7DA;border:1px solid #F0E5B1;border-radius:var(--radius);padding:24px;margin:24px 0}.apply .btn{margin-top:12px}.checklist{background:#EFF7F1;border:1px solid #D8EADB;border-radius:var(--radius);padding:24px}.checklist ul{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:10px}.checklist li{display:flex;gap:10px}.boxcheck{width:20px;height:20px;border:2px solid var(--green-900);border-radius:4px;margin-top:4px;flex:0 0 auto}.more{border:1px solid var(--line);background:#fff;border-radius:var(--radius);overflow:hidden}.more button{width:100%;border:0;background:#fff;padding:20px 24px;text-align:left;cursor:pointer;color:var(--green-900);display:flex;align-items:center;justify-content:space-between;gap:18px}.more-panel{display:none;padding:0 24px 22px;color:var(--muted)}.more.open .more-panel{display:block}.more.open .chev{transform:rotate(180deg)}
.module-end{margin-top:54px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px}.module-end .btn{min-width:180px}
.course-footer{padding:34px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-art{min-height:430px}.audience-grid{grid-template-columns:1fr}.nav{display:none}.hero{padding-top:46px}.three-cards{grid-template-columns:1fr}.flow{grid-template-columns:1fr}.flow-arrow{transform:rotate(90deg);text-align:center}.form-grid{grid-template-columns:1fr}}
@media(max-width:767px){body{font-size:18px;line-height:1.62}.container,.reading,.course-head-inner{width:min(100% - 40px,100%)}.topbar-inner{min-height:74px}.brand img{width:138px}.brand-divider,.brand-label{display:none}.hero{padding:42px 0 30px}.hero h1{font-size:44px}.hero .subtitle{font-size:24px}.hero .lead{font-size:18px}.hero-art{min-height:360px;border-radius:26px}.plant{transform:scale(.72);transform-origin:top right}.paper{left:8%;right:8%;bottom:7%;height:49%;padding:18px}.pen{width:155px}.section{padding:54px 0}.section-title{font-size:37px}.capture{padding:52px 0}.form-actions{align-items:stretch;flex-direction:column}.form-actions .btn{width:100%}.footer-inner{flex-direction:column;align-items:flex-start}.course-head-inner{padding:14px 0}.course-nav .btn{min-height:46px;padding:10px 14px;font-size:15px}.course-main{padding:42px 0 70px}.module-title{font-size:39px}.module-sub{font-size:23px}.module-section{margin-top:44px}.module-section h2{font-size:31px}.flow-card{padding:20px}.idea,.comment,.apply,.checklist{padding:21px}.module-end{flex-direction:column}.module-end .btn{width:100%}.quote{font-size:19px}.topbar{position:relative}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* reusable lesson components */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}
.compare-card{border-radius:var(--radius);padding:22px;border:1px solid var(--line);background:#fff}
.compare-card.bad{background:var(--danger-bg);border-color:#F1D8D3}
.compare-card.good{background:var(--success-bg);border-color:#D5EBD9}
.compare-head{display:flex;align-items:center;gap:9px;font-weight:800;margin-bottom:10px;color:var(--green-900)}
.compare-card.bad .compare-head{color:var(--danger)}
.compare-mark{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:15px;font-weight:900;background:#fff;border:1px solid currentColor;flex:0 0 auto}
.compare-card blockquote{margin:0;font-family:Georgia,"Times New Roman",serif;font-size:20px;line-height:1.45;color:var(--text)}
.path-stack{display:grid;gap:0;margin:28px 0}
.path-step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px 20px;text-align:center;box-shadow:0 8px 20px rgba(36,69,62,.035)}
.path-step strong{display:block;color:var(--green-900);font-size:17px;margin-bottom:3px}.path-step span{color:var(--muted);font-size:15px}
.path-arrow{text-align:center;color:var(--blue-500);font-size:24px;line-height:1.4;font-weight:800}
.lesson-question{font-family:Georgia,"Times New Roman",serif;font-size:clamp(25px,3vw,34px);line-height:1.35;color:var(--green-900);padding:26px;border-left:5px solid var(--green-600);background:#fff;border-radius:0 var(--radius) var(--radius) 0;margin:24px 0}
.parts{display:grid;gap:12px;margin:22px 0}.part{display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px 19px}.part b{color:var(--green-900)}.part span{color:var(--muted)}
.objective-example{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:24px 0}.objective-example .sentence{font-family:Georgia,"Times New Roman",serif;font-size:22px;line-height:1.55;color:var(--green-900);margin-bottom:18px}.legend-chips{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:7px 10px;border-radius:999px;background:#EEF5F2;font-size:13px;font-weight:750;color:var(--green-900);border:1px solid var(--line)}
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.tier{border-radius:18px;border:1px solid var(--line);background:#fff;padding:20px}.tier strong{display:block;color:var(--green-900);font-size:18px;margin-bottom:6px}.tier span{color:var(--muted);font-size:15px}.tier:nth-child(1){background:#EDF8F0}.tier:nth-child(2){background:#F4F8F6}.tier:nth-child(3){background:#F7F7F4}
.micro-note{font-size:15px;color:var(--muted);margin-top:10px}
.module-kicker{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:var(--blue-500);font-size:14px;margin-bottom:8px}
.course-callout{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:22px 0}.course-callout .iconbox{margin:0;flex:0 0 auto}.course-callout p{margin:0;color:var(--muted)}
@media(max-width:767px){.compare-grid{grid-template-columns:1fr}.compare-card blockquote{font-size:19px}.part{grid-template-columns:1fr;gap:4px}.tier-grid{grid-template-columns:1fr}.lesson-question{font-size:26px;padding:22px}.objective-example{padding:21px}.objective-example .sentence{font-size:20px}.course-callout{padding:20px}}
/* result and conclusion lesson components */
.result-anatomy{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin:24px 0;box-shadow:0 12px 28px rgba(36,69,62,.04)}
.result-sentence{font-family:Georgia,"Times New Roman",serif;font-size:24px;line-height:1.65;color:var(--green-900);margin-bottom:24px}
.result-sentence span{padding:2px 3px;border-bottom:3px solid transparent}
.rs-condition{border-color:#3EA3B6!important}.rs-direction{border-color:#51BA6F!important}.rs-magnitude{border-color:#24453E!important;background:#EEF5F2}.rs-comparison{border-color:#85CA9E!important}
.result-key{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.result-key>div{display:grid;grid-template-columns:4px 1fr;column-gap:9px;align-items:start;padding:10px 0}.result-key .keyline{grid-row:1/3;width:4px;height:100%;min-height:42px;border-radius:9px}.result-key .condition{background:#3EA3B6}.result-key .direction{background:#51BA6F}.result-key .magnitude{background:#24453E}.result-key .comparison{background:#85CA9E}.result-key strong{font-size:14px;color:var(--green-900)}.result-key small{font-size:13px;color:var(--muted)}
.priority-stack{display:grid;gap:12px;margin:24px 0}.priority{display:flex;align-items:center;gap:17px;border-radius:18px;border:1px solid var(--line);padding:18px 20px;background:#fff}.priority>span{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:900;flex:0 0 auto}.priority strong{display:block;color:var(--green-900);font-size:18px}.priority small{display:block;color:var(--muted);font-size:15px;margin-top:2px}.priority.primary{background:#EDF8F0;border-color:#D2E9D7}.priority.primary>span{background:#24453E;color:#fff}.priority.support>span{background:#85CA9E;color:#24453E}.priority.article>span{background:#EEF2F0;color:#24453E}
.filter-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.filter-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px}.filter-card>span{font-size:13px;font-weight:900;letter-spacing:.06em;color:var(--blue-500)}.filter-card strong{display:block;color:var(--green-900);font-size:18px;margin:8px 0 6px}.filter-card p{font-size:15px;color:var(--muted);margin:0}
.result-vs-conclusion{display:grid;gap:14px;margin:24px 0}.rvc{border-radius:var(--radius);padding:24px;border:1px solid var(--line);background:#fff}.rvc.result{background:#F2F8F5}.rvc.conclusion{background:#EAF5F9;border-color:#D4EAF1}.rvc-label{font-size:13px;letter-spacing:.08em;font-weight:900;color:var(--green-900)}.rvc blockquote{margin:10px 0;font-family:Georgia,"Times New Roman",serif;font-size:22px;line-height:1.5;color:var(--green-900)}.rvc small{color:var(--muted)}.rvc-arrow{text-align:center;font-size:28px;color:var(--blue-500);font-weight:900}
.evidence-boundary{display:grid;grid-template-columns:1fr 110px 1fr;align-items:stretch;margin:28px 0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}.evidence-supported,.evidence-over{padding:24px;display:flex;flex-direction:column;justify-content:center;gap:4px}.evidence-supported{background:#EDF8F0}.evidence-over{background:#FFF1EE}.evidence-supported span,.evidence-over span{font-size:14px;color:var(--muted)}.evidence-supported strong{color:var(--green-900)}.evidence-over strong{color:var(--danger)}.evidence-line{display:grid;place-items:center;text-align:center;background:#fff;border-left:1px dashed #A9BBB5;border-right:1px dashed #A9BBB5;padding:12px}.evidence-line span{font-size:12px;font-weight:850;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.claim-scale{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:10px;align-items:center;margin:24px 0}.claim{border:1px solid var(--line);background:#fff;border-radius:16px;text-align:center;padding:18px}.claim span{font-size:15px;font-weight:900;color:var(--green-900);letter-spacing:.04em}.claim-arrow{font-size:24px;color:var(--blue-500);font-weight:900}
@media(max-width:767px){.result-sentence{font-size:21px}.result-key{grid-template-columns:1fr 1fr}.filter-grid{grid-template-columns:1fr}.evidence-boundary{grid-template-columns:1fr}.evidence-line{border:0;border-top:1px dashed #A9BBB5;border-bottom:1px dashed #A9BBB5;min-height:56px}.claim-scale{grid-template-columns:1fr}.claim-arrow{transform:rotate(90deg);text-align:center}.rvc blockquote{font-size:20px}}

.form-status{font-size:14px;font-weight:700;color:#fff;min-height:1.4em}.form-actions button:disabled{opacity:.7;cursor:wait}
/* module 7: build and condense */
.build-stack{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr auto 1fr;gap:8px;align-items:center;margin:26px 0}
.build-item{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px 14px;min-height:82px}
.build-item>span{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#E7F4EB;color:var(--green-900);font-size:12px;font-weight:900;flex:0 0 auto}
.build-item strong{display:block;color:var(--green-900);font-size:15px}.build-item small{display:block;color:var(--muted);font-size:12px;line-height:1.35;margin-top:3px}.build-plus{font-size:20px;font-weight:900;color:var(--blue-500)}
.merge-demo{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:center;margin:26px 0}.merge-source,.merge-result{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px}.merge-source span,.merge-result span{display:block;font-size:12px;font-weight:900;letter-spacing:.07em;color:var(--blue-500);margin-bottom:7px}.merge-source p,.merge-result p{margin:0;font-family:Georgia,"Times New Roman",serif;font-size:18px;line-height:1.48;color:var(--green-900)}.merge-symbol{font-size:26px;color:var(--blue-500);font-weight:900}.merge-arrow{grid-column:1/-1;text-align:center;font-size:28px;color:var(--green-600);font-weight:900;line-height:1}.merge-result{grid-column:1/-1;background:#EDF8F0;border-color:#D5EBD9}
.compression-steps{display:grid;gap:12px;margin:26px 0}.compression-step{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 20px}.compression-step>span{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--green-900);color:#fff;font-weight:900;flex:0 0 auto}.compression-step strong{display:block;color:var(--green-900);font-size:18px}.compression-step small{display:block;color:var(--muted);font-size:15px;line-height:1.45;margin-top:3px}
.protect-box{margin:30px 0;background:#EAF5F9;border:1px solid #D4EAF1;border-radius:var(--radius);padding:23px}.protect-title{font-weight:900;color:var(--green-900);margin-bottom:13px}.protect-grid{display:flex;flex-wrap:wrap;gap:9px}.protect-grid span{background:#fff;border:1px solid #CFE3EA;border-radius:999px;padding:8px 11px;font-size:14px;font-weight:750;color:var(--green-900)}
/* module 8: annotated examples and completion */
.annotated-abstract{display:grid;gap:14px;margin:26px 0}.annotated-sentence{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 8px 22px rgba(36,69,62,.035)}.annotated-sentence p{font-family:Georgia,"Times New Roman",serif;font-size:20px;line-height:1.52;color:var(--green-900);margin:10px 0}.move-tag{display:inline-flex;border-radius:999px;padding:6px 9px;font-size:11px;font-weight:900;letter-spacing:.06em}.context-tag{background:#EAF5F9;color:#24788A}.objective-tag{background:#EEF5F2;color:var(--green-900)}.result-tag{background:#E7F4EB;color:#256B3C}.conclusion-tag{background:#F2EEDC;color:#6F6331}.sentence-comment{font-size:15px;color:var(--muted);padding-top:10px;border-top:1px solid var(--line)}
.example-summary{padding-top:4px}.example-summary p{margin:0 0 14px;font-size:16px;line-height:1.58;color:var(--text)}.example-summary strong{color:var(--green-900)}
.independence-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:25px 0}.independence-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 14px;text-align:center;min-height:154px}.independence-card>span{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#E7F4EB;color:var(--green-900);font-size:13px;font-weight:900;margin:0 auto 10px}.independence-card strong{display:block;color:var(--green-900);font-size:16px;margin-bottom:5px}.independence-card small{display:block;color:var(--muted);font-size:13px;line-height:1.4}
.completion-card{display:flex;gap:20px;align-items:flex-start;background:linear-gradient(135deg,#E7F4EB,#F5FAF7);border:1px solid #D4E9D9;border-radius:var(--radius);padding:28px;margin:52px 0 30px}.completion-check{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:var(--green-900);color:#fff;font-size:26px;font-weight:900;flex:0 0 auto}.completion-card h2{font-size:30px;margin:7px 0 8px}.completion-card p{margin:0;color:var(--muted)}
.next-content{margin:36px 0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}.next-content h2{font-size:30px;margin:12px 0 8px}.next-content p{color:var(--muted);margin:0 0 18px}.commercial-cta{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;margin:36px 0;background:var(--green-900);border-radius:var(--radius);padding:32px;color:#fff}.commercial-cta h2{color:#fff;font-size:32px;margin:10px 0 8px}.commercial-cta p{margin:0;color:#DCE9E4;max-width:590px}.commercial-cta .module-label{background:rgba(255,255,255,.12);color:#fff}.cta-brand{margin-bottom:14px}.cta-brand img{width:188px;height:auto}.cta-actions{display:grid;gap:10px;min-width:248px}.commercial-cta .btn-primary{background:#fff;color:var(--green-900);box-shadow:none}.commercial-cta .btn-primary:hover{background:#F0F6F3}.btn-whatsapp{background:var(--green-600);color:var(--green-900);box-shadow:none}.btn-whatsapp:hover{background:#68C97F;transform:translateY(-1px)}.cta-contact{font-size:13px;color:#BFD5CE;text-align:center;margin-top:2px}
@media(max-width:1000px){.build-stack{grid-template-columns:1fr}.build-plus{text-align:center;line-height:.7}.independence-grid{grid-template-columns:1fr 1fr}.independence-card:last-child{grid-column:1/-1}.commercial-cta{grid-template-columns:1fr}.commercial-cta .btn{width:100%}}
@media(max-width:767px){.build-item{min-height:auto;padding:17px}.merge-demo{grid-template-columns:1fr}.merge-symbol{text-align:center}.merge-arrow{grid-column:1}.merge-result{grid-column:1}.compression-step{padding:17px}.annotated-sentence{padding:19px}.annotated-sentence p{font-size:19px}.independence-grid{grid-template-columns:1fr}.independence-card:last-child{grid-column:auto}.independence-card{min-height:auto;text-align:left;display:grid;grid-template-columns:auto 1fr;column-gap:12px}.independence-card>span{grid-row:1/3;margin:0}.independence-card strong{margin-top:2px}.completion-card{padding:23px;gap:15px}.completion-check{width:46px;height:46px;font-size:22px}.completion-card h2{font-size:27px}.next-content{padding:22px}.commercial-cta{padding:24px}.commercial-cta h2{font-size:29px}.cta-brand img{width:168px}.cta-actions{min-width:0}.footer-brand{align-items:flex-start;flex-direction:column}.footer-links{gap:10px;flex-direction:column;align-items:flex-start}}

/* landing page conversion revision */
.landing-hero{padding:58px 0 62px}.landing-hero-grid{grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}.landing-features{margin-bottom:24px}.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.text-link{font-weight:750;color:var(--green-900);font-size:16px}.text-link:hover{color:var(--green-600)}.trust-line{font-size:14px;line-height:1.5;color:var(--muted);margin:22px 0 0;max-width:620px}.access-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:30px;box-shadow:var(--shadow);position:sticky;top:112px}.access-card-brand img{width:190px;margin-bottom:22px}.access-kicker,.eyebrow{display:block;font-size:12px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-500);margin-bottom:8px}.access-card h2{font-size:34px;margin:0 0 8px}.access-card>p{font-size:16px;color:var(--muted);margin:0 0 20px}.access-form{display:grid;gap:15px}.access-form .field{display:grid;gap:6px}.access-form label{font-size:14px;font-weight:800;color:var(--green-900)}.access-form input[type="text"],.access-form input[type="email"],.access-form .field input{width:100%;border:1px solid #CEDDD6;border-radius:12px;background:#fff;padding:13px 14px;min-height:50px;color:var(--text);outline:none}.access-form .field input:focus{border-color:var(--green-600);box-shadow:0 0 0 3px rgba(81,186,111,.14)}.optional{font-weight:500;color:var(--muted)}.consent-row{display:flex;gap:10px;align-items:flex-start;padding:13px 14px;background:#F6F9F7;border:1px solid var(--line);border-radius:12px}.consent-row input{margin-top:4px;flex:0 0 auto}.consent-row span{font-size:13px;line-height:1.45;font-weight:500;color:var(--muted)}.btn-full{width:100%}.privacy-note{font-size:12px;line-height:1.45;color:var(--muted);margin:0}.privacy-note a{text-decoration:underline;font-weight:750}.dark-status{color:var(--danger);font-size:13px}.compact-section{padding-top:62px;padding-bottom:62px}.landing-reading{width:min(100% - 40px,1040px);margin:auto}.section-heading{max-width:760px;margin-bottom:28px}.centered-heading{text-align:center;margin-left:auto;margin-right:auto}.learning-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.learning-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}.learning-card>span{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#E7F4EB;color:var(--green-900);font-weight:900;font-size:13px;margin-bottom:14px}.learning-card h3{font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:17px;letter-spacing:0;margin:0 0 8px}.learning-card p{font-size:14px;line-height:1.5;color:var(--muted);margin:0}.landing-demo{background:#fff}.demo-grid{display:grid;grid-template-columns:1.15fr .85fr .9fr;gap:16px}.demo-card{border:1px solid var(--line);border-radius:22px;padding:22px;background:#F9FBFA}.demo-card h3{font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:19px;letter-spacing:0;margin:8px 0 16px}.demo-label{display:inline-flex;font-size:11px;font-weight:900;letter-spacing:.07em;color:#256B3C;background:#E7F4EB;border-radius:999px;padding:6px 9px}.blue-label{color:#24788A;background:#EAF5F9}.mini-compare{border-radius:14px;padding:14px;margin-top:10px}.mini-compare strong{font-size:12px;text-transform:uppercase;letter-spacing:.05em}.mini-compare p{font-family:Georgia,"Times New Roman",serif;font-size:16px;line-height:1.45;margin:6px 0 0}.bad-mini{background:var(--danger-bg);color:#6C3B35}.good-mini{background:var(--success-bg);color:#295A39}.comment-preview{background:#EEF8FB}.comment-preview>p{font-family:Georgia,"Times New Roman",serif;font-size:19px;line-height:1.55;color:var(--green-900)}.comment-signature{font-size:12px;color:var(--muted);padding-top:14px;border-top:1px solid #D4EAF1}.workbook-preview{background:#F4F9F6}.workbook-preview>p{font-size:14px;color:var(--muted)}.workbook-mini-sheet{margin-top:18px;background:#fff;border:1px solid #D6E5DE;border-radius:16px;padding:16px}.workbook-mini-sheet span{font-size:12px;font-weight:850;color:var(--green-900)}.workbook-mini-sheet div{height:22px;border-bottom:1px solid #DCE8E2;margin-top:8px}.workbook-mini-sheet small{display:block;font-size:11px;color:var(--muted);margin-top:12px}.audience-section{background:#F4F8F6}.split-section{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:start}.audience-list{display:grid;gap:12px}.audience-list>div{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 20px}.audience-list strong{display:block;color:var(--green-900);font-size:16px}.audience-list span{display:block;color:var(--muted);font-size:14px;line-height:1.45;margin-top:4px}.page-about{background:#fff}.page-about-card{display:grid;grid-template-columns:230px 1fr;gap:34px;align-items:center;border:1px solid var(--line);border-radius:24px;padding:30px;background:#FAFCFB}.page-about-card img{width:220px}.page-about-card h2{font-size:32px;margin:0 0 10px}.page-about-card p{color:var(--muted);font-size:16px;line-height:1.58;margin:0}.about-links{display:flex;gap:20px;flex-wrap:wrap;margin-top:18px}.about-links a{font-size:14px;font-weight:800;color:var(--green-900)}.about-links a:hover{color:var(--green-600)}.final-capture{padding:46px 0}.final-capture-inner{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.final-capture h2{color:#fff;font-size:34px;margin:12px 0 6px}.final-capture p{margin:0;color:#DCE9E4}.badge-light{background:rgba(255,255,255,.12);color:#fff}.btn-light{background:#fff;color:var(--green-900)}.btn-light:hover{background:#F0F6F3;transform:translateY(-1px)}

/* privacy page */
.legal-main{padding:60px 0 80px}.legal-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px}.legal-card h1{font-size:44px;margin:8px 0 14px}.legal-card h2{font-size:26px;margin:34px 0 10px}.legal-card p,.legal-card li{font-size:16px;line-height:1.65;color:var(--text)}.legal-card .updated{font-size:13px;color:var(--muted)}.legal-card a{text-decoration:underline;font-weight:750}.legal-note{background:#F1F7F4;border-left:4px solid var(--green-600);padding:16px 18px;border-radius:12px;margin:24px 0}

@media(max-width:1000px){.landing-hero-grid{grid-template-columns:1fr}.access-card{position:static;max-width:680px}.learning-grid{grid-template-columns:1fr 1fr}.demo-grid{grid-template-columns:1fr 1fr}.workbook-preview{grid-column:1/-1}.split-section{grid-template-columns:1fr}.page-about-card{grid-template-columns:180px 1fr}.final-capture-inner{grid-template-columns:1fr;align-items:start}.final-capture .btn{justify-self:start}}
@media(max-width:767px){.landing-hero{padding-top:34px}.landing-hero h1{font-size:40px;line-height:1.04}.landing-hero .subtitle{font-size:22px}.access-card{padding:22px;border-radius:22px}.access-card h2{font-size:30px}.access-card-brand img{width:170px}.learning-grid,.demo-grid{grid-template-columns:1fr}.workbook-preview{grid-column:auto}.landing-reading{width:min(100% - 40px,1040px)}.learning-card{padding:19px}.page-about-card{grid-template-columns:1fr;padding:23px}.page-about-card img{width:180px}.final-capture h2{font-size:29px}.hero-actions{align-items:flex-start;flex-direction:column}.trust-line{font-size:13px}.legal-card{padding:22px}.legal-card h1{font-size:36px}.topbar .brand img{width:148px}}
.course-footer-inner{display:flex;justify-content:space-between;gap:20px;align-items:center}.course-footer-links{display:flex;gap:16px}.course-footer-links a{text-decoration:underline;text-underline-offset:3px}@media(max-width:767px){.course-footer-inner{align-items:flex-start;flex-direction:column}.course-footer-links{flex-wrap:wrap}}

/* Manual Page positioning + persistent workbook access */
.manual-note{margin:22px 0 0;padding:15px 17px;border-left:4px solid var(--blue-500);background:#EEF8FB;border-radius:12px;color:var(--green-900);font-size:14px;line-height:1.55;max-width:650px}.course-head-actions{display:flex;gap:9px;align-items:center}.btn-workbook{background:#E8F6EC;border:1px solid #BBDCC5;color:var(--green-900);box-shadow:none}.btn-workbook:hover{background:#DDF1E3;transform:translateY(-1px)}.consent-highlight{background:#EEF8F1;border-color:#CDE5D4}.consent-highlight input{accent-color:var(--green-900);width:17px;height:17px}

/* Cookie consent */
.cookie-banner{position:fixed;left:18px;right:18px;bottom:18px;z-index:9998;display:none}.cookie-banner.is-visible{display:block}.cookie-banner-inner{width:min(100%,1040px);margin:auto;background:#fff;border:1px solid var(--line);box-shadow:0 20px 60px rgba(22,48,42,.18);border-radius:20px;padding:20px 22px;display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center}.cookie-banner strong{display:block;color:var(--green-900);font-size:18px}.cookie-banner p{margin:5px 0 0;color:var(--muted);font-size:13px;line-height:1.55;max-width:650px}.cookie-actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.cookie-actions .btn{min-height:42px;padding:9px 13px;font-size:13px}.cookie-text-btn,.footer-cookie-link{background:none;border:0;padding:4px 0;color:var(--green-900);text-decoration:underline;text-underline-offset:3px;font:inherit;font-weight:750;cursor:pointer}.footer-cookie-link{color:inherit;font-size:inherit}.cookie-modal-backdrop{position:fixed;inset:0;z-index:10000;background:rgba(21,43,38,.48);display:grid;place-items:center;padding:20px}.cookie-modal-backdrop[hidden]{display:none}.cookie-modal{position:relative;width:min(100%,620px);max-height:min(88vh,760px);overflow:auto;background:#fff;border-radius:24px;padding:30px;box-shadow:0 30px 90px rgba(0,0,0,.25)}.cookie-modal h2{font-size:34px;margin:5px 0 10px}.cookie-modal>p{color:var(--muted);font-size:15px;line-height:1.55}.cookie-close{position:absolute;right:18px;top:14px;width:38px;height:38px;border-radius:50%;border:0;background:#F0F5F2;font-size:24px;color:var(--green-900);cursor:pointer}.cookie-option{display:flex;gap:18px;align-items:center;justify-content:space-between;padding:17px 0;border-top:1px solid var(--line);cursor:pointer}.cookie-option div{display:grid;gap:3px}.cookie-option strong{color:var(--green-900);font-size:16px}.cookie-option span{color:var(--muted);font-size:13px;line-height:1.45}.cookie-option input{width:20px;height:20px;accent-color:var(--green-900);flex:0 0 auto}.cookie-required{cursor:default}.cookie-required-label{font-weight:800;color:var(--green-900)!important;white-space:nowrap}.cookie-modal-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:20px}.cookie-modal-actions a{font-size:13px;font-weight:750;text-decoration:underline}.cookie-modal-open{overflow:hidden}

@media(max-width:767px){.course-head-top{align-items:flex-start}.course-head-actions{display:grid;grid-template-columns:1fr 1fr;width:100%;margin-top:10px}.course-head-top{flex-wrap:wrap}.course-head-actions .btn{width:100%;padding:9px 10px;font-size:13px;min-height:42px}.cookie-banner{left:10px;right:10px;bottom:10px}.cookie-banner-inner{grid-template-columns:1fr;padding:17px}.cookie-actions{justify-content:stretch;display:grid;grid-template-columns:1fr 1fr}.cookie-actions .cookie-text-btn{grid-column:1/-1;text-align:center;padding:7px}.cookie-modal{padding:24px 20px}.cookie-modal h2{font-size:29px}.cookie-modal-actions{align-items:stretch;flex-direction:column}.cookie-modal-actions .btn{width:100%}.manual-note{font-size:13px}}