:root{--paper:#f6f5ef;--ink:#183331;--muted:#75807b;--teal:#174b45;--mint:#dfece4;--line:#e3e4dc;--orange:#ee9469;--serif:Georgia,'Times New Roman',serif;--sans:'DM Sans',Arial,sans-serif;--display:'Manrope','DM Sans',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.55 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.wrap{width:min(1160px,calc(100% - 64px));margin-inline:auto}.topbar{height:78px;padding:0 max(32px,calc((100vw - 1160px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(24,51,49,.08);background:rgba(246,245,239,.94);position:sticky;top:0;z-index:10;backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:10px;font:800 18px var(--display);letter-spacing:-.7px}.brand-mark{display:grid;place-items:center;position:relative;width:30px;height:30px;border-radius:10px;background:var(--teal);color:#fff;font:800 17px var(--display);letter-spacing:-2px}.brand-mark span{font:700 10px var(--sans);letter-spacing:0;position:absolute;right:4px;top:1px;color:#b6d8ba}.main-nav{display:flex;gap:35px;height:100%;align-items:center;color:#74807a;font-size:13px}.main-nav a{height:100%;display:flex;align-items:center;position:relative}.main-nav a:hover,.main-nav .active{color:var(--ink)}.main-nav .active:after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--teal)}.top-actions{display:flex;gap:16px;align-items:center}.icon-button{border:0;background:none;font-size:21px;color:#56645f;cursor:pointer}.button{min-height:48px;padding:0 20px;border-radius:8px;display:inline-flex;gap:17px;align-items:center;justify-content:center;font:700 13px var(--sans);transition:transform .2s,background .2s;cursor:pointer;border:0}.button:hover{transform:translateY(-2px)}.button span{font-size:17px;font-weight:400}.button-small{min-height:39px;padding:0 15px}.button-dark{background:#193330;color:white}.button-teal{background:#1a5148;color:#fff}.button-teal:hover{background:#23665a}.button-outline{border:1px solid rgba(255,255,255,.5);color:white;background:transparent}.hero{min-height:478px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;padding-top:48px;padding-bottom:42px}.hero-copy{padding:10px 0 12px}.eyebrow{font:700 10px var(--display);letter-spacing:1.65px;color:#74817b;display:flex;align-items:center;gap:9px}.pulse-dot{width:7px;height:7px;border-radius:50%;background:#e68d66;box-shadow:0 0 0 4px rgba(230,141,102,.16)}h1,h2,h3,p{margin-top:0}.hero h1{font:500 clamp(44px,5vw,65px)/1.06 var(--display);letter-spacing:-3.8px;margin:23px 0 19px;max-width:610px}.hero h1 em,.feature-copy h2 em{font-family:var(--serif);font-weight:400;color:#a9624a;letter-spacing:-2px}.hero-copy>p{color:#687670;max-width:444px;font-size:15px;line-height:1.75;margin-bottom:25px}.hero-cta{display:flex;align-items:center;gap:26px}.text-link{font-size:12px;font-weight:700;display:inline-flex;gap:10px;align-items:center;color:#31524c}.text-link span{font-size:16px}.social-proof{margin-top:35px;display:flex;align-items:center;gap:12px;color:#76807a;font-size:11px}.social-proof strong{color:var(--ink)}.avatar-stack{display:flex;padding-left:3px}.avatar-stack i{width:25px;height:25px;border:2px solid var(--paper);border-radius:50%;display:grid;place-items:center;margin-left:-4px;background:#d0a084;color:#fff;font-style:normal;font-size:7px;font-weight:bold}.avatar-stack i:nth-child(2){background:#638b76}.avatar-stack i:nth-child(3){background:#c78069}.avatar-stack i:nth-child(4){background:#e8dfc9;color:#486057}.hero-art{height:390px;position:relative;display:grid;place-items:center;overflow:hidden}.art-orbit{position:absolute;border:1px solid #e3dfd3;border-radius:50%;width:350px;height:350px}.orbit-two{width:290px;height:290px;border-style:dashed;border-color:#d2d8c8}.art-cross{position:absolute;left:19%;top:15%;font-size:14px;color:#8ba891;transform:rotate(13deg)}.book-card{width:256px;height:296px;background:#fbfaf5;border:1px solid #e7e2d8;box-shadow:0 22px 48px rgba(50,68,56,.13);border-radius:5px;position:relative;z-index:1;transform:rotate(3deg);padding:20px 21px 15px;display:flex;flex-direction:column}.book-top{display:flex;justify-content:space-between;font-size:7px;letter-spacing:.8px;color:#869188;font-weight:700}.book-heading{font:500 31px/1.04 var(--display);letter-spacing:-1.3px;margin-top:28px}.book-lines{margin-top:19px;display:grid;gap:8px}.book-lines i{height:4px;border-radius:5px;background:#e3e6db;width:100%}.book-lines i:nth-child(2){width:76%}.book-lines i:nth-child(3){width:89%}.book-stamp{font-size:7px;letter-spacing:1.5px;color:#68826a;border:1px solid #b7cab1;border-radius:20px;padding:5px 9px;width:max-content;margin-top:19px}.book-footer{margin-top:auto;border-top:1px solid #e5e3d9;padding-top:12px;display:flex;justify-content:space-between;align-items:center;font-size:9px;color:#7a837d}.book-footer strong{font-size:11px;color:#34554a}.art-note{position:absolute;z-index:2;background:white;border:1px solid #eee9df;box-shadow:0 8px 24px #223e3215;border-radius:9px;padding:11px 14px;display:flex;gap:10px;align-items:center;font-size:10px}.art-note b,.art-note small{display:block}.art-note b{font-size:11px}.art-note small{color:#83908a;font-size:9px;margin-top:2px}.note-a{top:56px;right:13px}.note-b{bottom:48px;left:18px}.note-icon{width:28px;height:28px;border-radius:8px;background:#f8e8dc;color:#c97c59;display:grid;place-items:center;font-size:15px}.check-mark{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;color:#fff;background:#5f8b6c}.sparkle{position:absolute;color:#df956d;font-size:18px}.sparkle-a{top:92px;left:18%}.sparkle-b{bottom:53px;right:20%;font-size:12px}.quick-strip{min-height:83px;border-block:1px solid var(--line);display:flex;align-items:center;gap:26px}.quick-intro{font-weight:700;font-size:12px;display:flex;align-items:center;gap:10px;margin-right:auto}.strip-icon{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#e8ede1;color:#55745c}.quick-stat{display:flex;flex-direction:column;gap:0;min-width:93px}.quick-stat strong{font:700 16px var(--display)}.quick-stat span{font-size:9px;color:#89918b}.quick-divider{height:27px;width:1px;background:#dddfd6}.quick-continue{display:flex;align-items:center;gap:10px;background:#e8eee6;padding:9px 12px;border-radius:7px;margin-left:9px;min-width:206px}.continue-icon{width:25px;height:25px;border-radius:50%;background:#1a5148;color:#fff;display:grid;place-items:center;font-size:9px;padding-left:2px}.quick-continue b,.quick-continue small{display:block}.quick-continue b{font-size:10px}.quick-continue small{font-size:9px;color:#748079}.continue-arrow{margin-left:auto;font-size:15px;color:#587065}.section{padding-top:76px;padding-bottom:77px}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:27px}.section-head h2,.community h2{font:600 30px/1.2 var(--display);letter-spacing:-1.1px;margin:10px 0 0}.section-head>.text-link{margin-bottom:5px}.subject-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.subject-card{min-height:220px;border-radius:9px;padding:21px 22px 17px;display:flex;flex-direction:column;border:1px solid transparent;transition:transform .2s,box-shadow .2s}.subject-card:hover,.resource-card:hover{transform:translateY(-3px);box-shadow:0 12px 25px #203d3010}.subject-physio{background:#e4eee6;border-color:#dbe7dc}.subject-anat{background:#f2e9da;border-color:#ebe2d4}.subject-bio{background:#e8e9e2;border-color:#e0e2d9}.subject-top{display:flex;align-items:center;justify-content:space-between}.subject-icon{font-size:22px;color:#486d5b}.subject-anat .subject-icon{color:#b67758}.subject-bio .subject-icon{color:#718073}.card-arrow{font-size:18px;color:#7b8980}.subject-label{font:700 8px var(--display);letter-spacing:1.4px;color:#849087;margin-top:18px}.subject-card h3{font:600 22px var(--display);letter-spacing:-.5px;margin:5px 0 5px}.subject-card p{color:#718078;font-size:11px;max-width:270px;line-height:1.5;margin:0}.subject-bottom{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:14px;color:#7c8980;font-size:9px}.mini-progress{width:56px;height:4px;border-radius:10px;background:#d3ded2;overflow:hidden}.mini-progress i{height:100%;display:block;background:#59806a;border-radius:10px}.feature-section{background:#17473f;color:#f4f3ea;overflow:hidden;position:relative}.feature-grid{display:grid;grid-template-columns:.83fr 1.17fr;gap:56px;align-items:center;padding-block:74px;position:relative}.feature-copy{position:relative;min-height:348px;padding-top:13px}.light-eyebrow{color:#c5d2c8}.eyebrow-line{display:inline-block;width:22px;height:1px;background:#a0bc9f}.feature-copy h2{font:500 47px/1.07 var(--display);letter-spacing:-2px;margin:20px 0 15px}.feature-copy h2 em{color:#f2a078}.feature-copy p{font-size:12px;line-height:1.7;color:#c0d0c7;max-width:294px}.quiz-meta{display:flex;gap:10px;align-items:center;color:#b5c7bd;font-size:10px}.feature-mark{position:absolute;right:7px;bottom:-26px;font:800 148px/.9 var(--display);color:#ffffff09;letter-spacing:-15px}.quiz-card{background:#fbfaf6;color:var(--ink);border-radius:10px;box-shadow:0 20px 50px #102c2633;overflow:hidden;min-height:395px}.quiz-card-top{padding:20px 24px 12px;display:flex;align-items:center;justify-content:space-between;color:#78847d;font:700 9px var(--display);letter-spacing:1px}.quiz-chip{display:flex;gap:7px;align-items:center;border-radius:20px;background:#e8eee6;color:#426750;padding:7px 10px}.quiz-chip i{width:6px;height:6px;border-radius:50%;background:#6fa074}.quiz-progress{height:3px;background:#e9ebe3}.quiz-progress i{display:block;width:33%;height:100%;background:#e9916a;transition:width .25s}.quiz-content{padding:18px 24px 23px}.quiz-topic{font:700 8px var(--display);letter-spacing:1.3px;color:#88928b}.quiz-content h3{font:600 18px/1.35 var(--display);letter-spacing:-.3px;margin:10px 0 15px;max-width:470px}.answers{display:grid;gap:7px}.answer-option{width:100%;border:1px solid #e7e8e0;border-radius:6px;background:#fff;padding:10px 12px;display:flex;align-items:center;text-align:left;gap:11px;color:#51615a;font-size:11px;cursor:pointer;transition:border .15s,background .15s}.answer-option:hover{border-color:#92ad97}.answer-option.selected{border-color:#4e7c69;background:#eef4ed;color:#254c3d}.answer-option.correct{border-color:#64a178;background:#edf6ef}.answer-option.incorrect{border-color:#d48a70;background:#fbf0ea}.answer-letter{width:22px;height:22px;border:1px solid #e4e6de;border-radius:50%;display:grid;place-items:center;font-size:9px;color:#79857d;flex:none}.answer-option.selected .answer-letter{background:#315f4d;border-color:#315f4d;color:white}.quiz-feedback{font-size:11px;line-height:1.55;margin-top:10px;color:#466254}.quiz-feedback.wrong{color:#a05f49}.quiz-footer{display:flex;align-items:center;gap:15px;margin-top:16px}.quiz-footer .button{min-height:40px;font-size:11px;padding-inline:14px}.skip-button,.next-button{border:0;background:transparent;color:#698176;font-size:10px;cursor:pointer}.next-button{margin-left:auto;font-weight:700}.resources-section{padding-top:78px}.section-sub{font-size:12px;color:#78847e;margin:9px 0 0}.resource-tools{display:flex;align-items:center;gap:8px}.search-box{width:220px;height:40px;background:#fcfbf7;border:1px solid #e2e3db;border-radius:6px;display:flex;align-items:center;padding:0 11px;gap:8px;color:#87938b}.search-box span{font-size:20px}.search-box input{background:transparent;border:0;outline:none;width:100%;font-size:10px;color:var(--ink)}.search-box input::placeholder{color:#9ba29d}.filter-row{display:flex;gap:8px;align-items:center;margin-bottom:17px}.filter-chip{border:1px solid #e4e5de;background:transparent;border-radius:20px;padding:7px 13px;font-size:10px;color:#738078;cursor:pointer}.filter-chip:hover,.filter-chip.selected{background:#e4ede4;border-color:#e4ede4;color:#315c4b}.filter-chip span{margin-left:4px;font-size:9px;opacity:.7}.saved-filter{margin-left:auto}.saved-filter.selected{background:#f7e8df;border-color:#f7e8df;color:#a66048}.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.resource-card{border-radius:9px;overflow:hidden;border:1px solid #e7e6de;background:#fbfaf6;transition:transform .2s,box-shadow .2s}.resource-visual{height:174px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}.visual-lungs{background:#e5eee8}.visual-kidney{background:#f2e8d9}.visual-breath{background:#e7eae0}.visual-label{position:absolute;left:15px;top:13px;border:1px solid #cad9ce;color:#668271;font:700 8px var(--display);letter-spacing:1px;padding:5px 8px;border-radius:20px}.visual-kidney .visual-label{border-color:#dec8b6;color:#a8755b}.lung-art{display:grid;place-items:center;width:94px;height:94px;border-radius:50%;background:#cfe0d4;color:#4e8161;font-size:55px;position:relative}.lung-art:before,.lung-art:after{content:'';position:absolute;background:#fbfaf5;width:2px;height:48px;top:23px;left:50%}.lung-art:after{height:2px;width:47px;top:45px;left:24px;background:transparent;border-top:2px solid #fbfaf5;transform:rotate(-28deg)}.kidney-art{font-size:90px;color:#c38366;transform:rotate(-28deg);text-shadow:13px 5px 0 #dca58c;opacity:.9}.breath-art{font:400 97px var(--serif);color:#63806b;transform:rotate(-25deg);margin-top:-12px}.visual-caption{position:absolute;bottom:13px;font:700 8px var(--display);letter-spacing:2px;color:#678173}.visual-kidney .visual-caption{color:#a67760}.save-button{position:absolute;right:12px;top:11px;width:29px;height:29px;border-radius:50%;border:1px solid #ffffffa8;background:#ffffffcf;color:#507361;font-size:16px;cursor:pointer;display:grid;place-items:center}.save-button.saved{color:#b45e48;background:#fff4ec}.resource-body{padding:15px 16px 17px}.resource-meta{display:flex;justify-content:space-between;color:#8b968f;font:700 8px var(--display);letter-spacing:1px}.resource-body h3{font:600 17px var(--display);letter-spacing:-.4px;margin:10px 0 5px}.resource-body p{font-size:10px;line-height:1.55;color:#7a8780;min-height:32px;margin-bottom:13px}.resource-link{border:0;padding:0;background:none;color:#426c58;font-size:10px;font-weight:700;cursor:pointer;display:flex;gap:9px;align-items:center}.resource-link span{font-size:15px}.empty-state{padding:35px;text-align:center;color:#77847c;font-size:13px}.community{margin-bottom:76px;border-radius:11px;background:#244e45;color:#f9f8f2;padding:28px 34px;display:flex;align-items:center;gap:20px}.community-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:#ffffff14;color:#e9a17b;font-size:20px;flex:none}.community .eyebrow{color:#b9cec2;font-size:8px}.community h2{font-size:19px;letter-spacing:-.3px;margin:5px 0 4px}.community p{font-size:10px;color:#ccdad1;margin:0;max-width:510px}.community .button{margin-left:auto;white-space:nowrap;min-height:40px;font-size:10px}.footer{border-top:1px solid var(--line);padding:22px 0 18px}.footer-inner{display:flex;align-items:center;justify-content:space-between;color:#87918b;font-size:9px}.footer-inner .brand{color:var(--ink);font-size:15px}.footer-inner .brand-mark{width:25px;height:25px;font-size:14px;border-radius:8px}.footer-inner>a:last-child{color:#557364;font-weight:700}.footer-note{font-size:9px;color:#98a099;margin-top:13px}.fiche-dialog{width:min(560px,calc(100% - 32px));max-height:85vh;border:1px solid #e4e4dc;border-radius:12px;background:#fbfaf6;color:var(--ink);padding:34px 38px;box-shadow:0 20px 80px #10251f40}.fiche-dialog::backdrop{background:#112a25a3;backdrop-filter:blur(3px)}.dialog-close{position:absolute;right:15px;top:12px;border:0;background:none;font-size:25px;color:#718078;cursor:pointer}.dialog-eyebrow{font:700 9px var(--display);letter-spacing:1.4px;color:#668374}.fiche-dialog h2{font:600 28px var(--display);letter-spacing:-1px;margin:9px 0 18px}.dialog-body{font-size:13px;line-height:1.75;color:#56665d}.dialog-body h3{font:700 13px var(--display);color:#264c3f;margin:20px 0 5px}.dialog-body ul{padding-left:19px}.dialog-source{border-top:1px solid #e6e6de;padding-top:14px;margin-top:18px;font-size:10px;line-height:1.6;color:#829087}.dialog-source a{color:#426c58;text-decoration:underline}.dialog-done{margin-top:18px;min-height:40px}.dark-mode{--paper:#182622;--ink:#e7ede5;--muted:#a5b4ab;--line:#33413a}.dark-mode .topbar{background:#182622ed;border-color:#33413a}.dark-mode .main-nav{color:#a5b4ab}.dark-mode .main-nav .active{color:#e7ede5}.dark-mode .quick-strip{border-color:#33413a}.dark-mode .quick-stat span,.dark-mode .social-proof,.dark-mode .section-sub,.dark-mode .subject-card p,.dark-mode .resource-body p{color:#a8b6ac}.dark-mode .quick-continue,.dark-mode .subject-physio,.dark-mode .subject-anat,.dark-mode .subject-bio{background:#263831;border-color:#34473c}.dark-mode .resource-card,.dark-mode .fiche-dialog{background:#202f29;border-color:#3a4941}.dark-mode .search-box{background:#202f29;border-color:#3a4941}.dark-mode .search-box input{color:#e7ede5}.dark-mode .filter-chip{border-color:#3a4941;color:#b3c0b6}.dark-mode .filter-chip.selected{background:#30483b;border-color:#30483b;color:#dce9df}.dark-mode .filter-chip.saved-filter.selected{background:#593d32;color:#f0bea6}.dark-mode .footer{border-color:#33413a}.dark-mode .book-card,.dark-mode .art-note{background:#f9f8f2;color:#183331}
@media(max-width:900px){.wrap{width:min(100% - 42px,720px)}.topbar{padding-inline:22px}.main-nav{gap:19px}.hero{grid-template-columns:1fr 0.8fr;min-height:430px}.hero h1{font-size:51px}.hero-art{transform:scale(.88);transform-origin:center right}.quick-strip{gap:15px}.quick-intro{font-size:10px}.quick-stat{min-width:70px}.quick-continue{min-width:185px;margin-left:0}.feature-grid{gap:28px}.resource-visual{height:145px}}
@media(max-width:680px){.wrap{width:calc(100% - 36px)}.topbar{height:64px;padding-inline:18px}.brand{font-size:16px}.main-nav{position:fixed;bottom:0;left:0;right:0;height:57px;background:#f8f7f2;border-top:1px solid #e3e4dc;justify-content:space-around;gap:0;z-index:20;font-size:10px}.main-nav a{height:100%;padding-inline:7px}.main-nav .active:after{top:0;bottom:auto}.top-actions{gap:9px}.icon-button{font-size:18px}.button-small{font-size:11px;min-height:36px}.hero{display:block;padding-top:44px;padding-bottom:18px}.hero h1{font-size:50px;letter-spacing:-3px;margin-top:18px}.hero-copy>p{font-size:13px;max-width:390px}.hero-art{height:320px;transform:none;margin-top:2px}.book-card{transform:scale(.88) rotate(3deg)}.note-a{right:8%}.note-b{left:8%}.quick-strip{flex-wrap:wrap;padding-block:13px;gap:12px}.quick-intro{width:100%;margin:0}.quick-stat{flex:1;min-width:0}.quick-divider{height:22px}.quick-continue{width:100%;margin-top:3px}.section{padding-top:55px;padding-bottom:55px}.section-head{align-items:flex-start;gap:15px}.section-head h2{font-size:26px}.section-head>.text-link{font-size:10px;white-space:nowrap;margin-top:21px}.subject-grid{grid-template-columns:1fr;gap:10px}.subject-card{min-height:178px}.subject-card p{max-width:350px}.feature-grid{display:block;padding-block:50px}.feature-copy{min-height:0;padding-bottom:30px}.feature-copy h2{font-size:40px}.feature-mark{right:10px;top:16px;bottom:auto;font-size:95px}.quiz-card{min-height:0}.quiz-content{padding:17px 17px 20px}.quiz-card-top{padding:15px 17px 10px}.quiz-content h3{font-size:16px}.answer-option{font-size:10px}.resources-section .section-head{display:block}.resources-section .section-sub{max-width:340px}.resource-tools{margin-top:15px}.search-box{width:100%}.filter-row{overflow:auto;padding-bottom:4px;scrollbar-width:none}.filter-row::-webkit-scrollbar{display:none}.filter-chip{white-space:nowrap}.saved-filter{margin-left:0}.resource-grid{grid-template-columns:1fr}.resource-visual{height:180px}.resource-body p{min-height:auto}.community{display:grid;grid-template-columns:44px 1fr;padding:22px 19px;gap:13px;margin-bottom:58px}.community .button{grid-column:1/-1;margin:6px 0 0}.footer{padding-bottom:76px}.footer-inner{gap:13px;flex-wrap:wrap}.footer-inner>span{order:3;width:100%}.footer-note{line-height:1.6}.fiche-dialog{padding:29px 24px}.fiche-dialog h2{font-size:24px}}
.study-mark{width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:#e7eee5;color:#63816b;font-size:13px}
