/* Studied Things: shared styles. Mobile-first. Umbrella palette bridges StudiedSkin (sage/seafoam) and Studied Rest (navy/ember). */
@font-face{font-family:"Fraunces";src:url(../fonts/fraunces-latin-wght-normal.woff2) format("woff2");font-weight:300 800;font-display:swap}
@font-face{font-family:"Fraunces";src:url(../fonts/fraunces-latin-wght-italic.woff2) format("woff2");font-weight:300 800;font-style:italic;font-display:swap}
@font-face{font-family:"Inter";src:url(../fonts/inter-latin-wght-normal.woff2) format("woff2");font-weight:300 800;font-display:swap}
:root{
  --paper:#FBF7F0;--paper-2:#F3ECE0;--card:#fff;
  --ink:#14202E;--ink-2:#46505C;--ink-3:#727B86;--line:#E5DCCD;
  --navy:#0F1A2B;--navy-2:#161B24;--cream:#F4ECDD;--ash:#AAB2C0;--oldpaper:#CDAC7A;
  --ember:#E8913A;--ember-d:#A95B17;--glow:#F6C16E;
  --teal:#5E9F95;--teal-d:#2F6158;--teal-l:#DCEEE8;--sage-l:#EEF4EC;
  --coral:#B4533E;--amber-l:#FBF1DE;
  --serif:"Fraunces",Georgia,serif;--sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --r:18px;--max:1120px;--shadow:0 1px 2px rgba(20,32,46,.05),0 10px 30px -14px rgba(20,32,46,.2);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-d);text-underline-offset:3px}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.12;letter-spacing:-.015em;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,7vw,3.9rem)}h2{font-size:clamp(1.6rem,5vw,2.4rem)}h3{font-size:1.25rem}
p{margin:0 0 1em}em.s{font-family:var(--serif);font-style:italic;font-weight:400}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.eyebrow{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;font-weight:650;color:var(--teal-d);margin-bottom:12px;display:block}
.eyebrow.ember{color:var(--ember-d)}
.lede{font-size:1.1rem;color:var(--ink-2);max-width:40em}
.muted{color:var(--ink-3)}.small{font-size:.88rem}
section{padding:56px 0}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;border-radius:8px;z-index:99}
:focus-visible{outline:2px solid var(--ember);outline-offset:3px;border-radius:6px}

/* draft ribbon: delete the .draft element from the header partial before launch */
.draft{background:var(--ink);color:var(--cream);font-size:.76rem;text-align:center;padding:6px 12px}
.draft b{color:var(--glow)}

/* header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(251,247,240,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:62px;gap:12px}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);font:500 1.28rem/1 var(--serif)}
.brand img{width:34px;height:34px}
.brand i{font-style:italic;color:var(--ember-d)}
.nav details{position:relative}
.nav summary{list-style:none;cursor:pointer;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-weight:600;font-size:.9rem}
.nav summary::-webkit-details-marker{display:none}
.nav ul{list-style:none;margin:0;padding:0}
.nav details ul{position:absolute;right:0;top:48px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px;min-width:200px}
.nav details li a{display:block;padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:500}
.nav details li a:hover,.nav a[aria-current=page]{background:var(--paper-2)}
.nav .links{display:none}
@media(min-width:820px){
  .nav details{display:none}
  .nav .links{display:flex;gap:6px}
  .nav .links a{padding:8px 12px;border-radius:999px;text-decoration:none;color:var(--ink-2);font-weight:500;font-size:.95rem}
  .nav .links a:hover{color:var(--ink)}
  .nav .links a[aria-current=page]{color:var(--ink);background:var(--paper-2)}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:999px;font:600 .96rem/1 var(--sans);text-decoration:none;border:1px solid transparent}
.btn-ink{background:var(--ink);color:#fff}.btn-ink:hover{background:#24344a;color:#fff}
.btn-teal{background:var(--teal-d);color:#fff}.btn-teal:hover{background:#3a7368;color:#fff}
.btn-ember{background:var(--ember);color:var(--navy)}.btn-ember:hover{background:var(--glow);color:var(--navy)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-ghost-d{border-color:#3a4659;color:var(--cream)}
.ctas{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* hero */
.hero{padding:48px 0 40px;background:radial-gradient(700px 360px at 0% 0%,var(--teal-l),transparent 65%),radial-gradient(700px 380px at 100% 20%,#FBE3C7,transparent 60%),var(--paper)}
.hero h1{max-width:13em}
.trust{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:22px;font-size:.88rem;color:var(--ink-2)}
.trust span::before{content:"✓";color:var(--teal-d);font-weight:700;margin-right:6px}

/* department cards */
.depts{display:grid;gap:18px;margin-top:8px}
@media(min-width:760px){.depts{grid-template-columns:1fr 1fr}}
.dept{position:relative;display:flex;flex-direction:column;border-radius:24px;padding:28px 24px;min-height:340px;text-decoration:none;overflow:hidden;box-shadow:var(--shadow);transition:transform .25s}
.dept:hover{transform:translateY(-3px)}
.dept .icon{width:64px;height:64px;border-radius:16px;margin-bottom:18px}
.dept h3{font-size:clamp(1.7rem,6vw,2.2rem);margin-bottom:.3em}
.dept p{margin:0 0 1em}
.dept ul{margin:0 0 20px;padding-left:18px}
.dept .go{margin-top:auto;font-weight:650}
.dept.skin{background:linear-gradient(160deg,#fff 0%,var(--sage-l) 55%,var(--teal-l) 100%);color:var(--ink);border:1px solid #d5e5dd}
.dept.skin h3 i{color:var(--teal-d)}.dept.skin .go{color:var(--teal-d)}
.dept.rest{background:radial-gradient(400px 260px at 90% 0%,rgba(232,145,58,.28),transparent 70%),linear-gradient(170deg,var(--navy),var(--navy-2));color:var(--cream)}
.dept.rest h3 i{color:var(--glow)}.dept.rest p,.dept.rest li{color:#d8dde6}.dept.rest .go{color:var(--glow)}
.dept .tag{display:inline-block;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;margin-bottom:8px;opacity:.8}

/* generic cards / grids */
.grid{display:grid;gap:16px}
@media(min-width:760px){.grid.c3{grid-template-columns:repeat(3,1fr)}.grid.c2{grid-template-columns:1fr 1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.card h3{margin-bottom:.35em}
.band{background:var(--paper-2)}
.dark{background:linear-gradient(175deg,var(--navy),var(--navy-2));color:var(--cream)}
.dark .lede,.dark p{color:#cfd5df}.dark a{color:var(--glow)}.dark .muted{color:var(--ash)}
.dark .card{background:rgba(255,255,255,.04);border-color:#2a3446;color:var(--cream)}
.dark h2 em.s{color:var(--glow)}

/* principles list */
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:14px}
@media(min-width:760px){.steps{grid-template-columns:repeat(2,1fr)}}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 18px 18px 60px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:18px;top:16px;width:28px;height:28px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.85rem}
.steps b{display:block}

/* number scale (skin) */
.scale{display:grid;gap:10px}
@media(min-width:900px){.scale{grid-template-columns:repeat(5,1fr)}}
.scale div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;border-top:5px solid var(--c)}
.scale .n{font:600 2rem/1 var(--serif);color:var(--c)}
.scale h3{margin:.3em 0 .2em;font-size:1.1rem}.scale p{font-size:.92rem;color:var(--ink-2);margin:0 0 .6em}
.scale .t{font-size:.74rem;font-weight:650;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3)}

/* tiers / badges */
.badge{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:5px 10px;border-radius:999px;background:var(--teal-l);color:var(--teal-d)}
.badge.t2{background:#E7EEF6;color:#2E4E73}.badge.mb{background:var(--amber-l);color:#8A5A12}.badge.x{background:#F3E4E0;color:var(--coral)}
.badge.ph{background:#FFF0B8;color:#6B5200;border:1px dashed #C9A400}

/* product cards */
.products{display:grid;gap:16px}
@media(min-width:760px){.products{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1040px){.products{grid-template-columns:repeat(3,1fr)}}
.p{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column}
.p .cat{font-size:.78rem;color:var(--ink-3);text-transform:uppercase;letter-spacing:.08em;font-weight:600;margin:10px 0 2px}
.p h3{font-size:1.15rem}
.p .ev{background:var(--paper);border-radius:12px;padding:12px;font-size:.9rem;color:var(--ink-2);margin:6px 0 10px}
.p .ev b{color:var(--ink)}
.p .note{font-size:.85rem;color:var(--coral);margin:0 0 12px}
.p .foot{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:12px;font-size:.85rem}
.p .foot a{font-weight:650}
.ph-inline{background:#FFF0B8;border:1px dashed #C9A400;color:#6B5200;padding:1px 6px;border-radius:6px;font-size:.82em;font-weight:600}

/* notices */
.notice{display:block;border-radius:14px;padding:14px 16px;background:var(--amber-l);border:1px solid #EED9B0;font-size:.92rem;color:#5B4520;margin:0 0 20px}
.notice.teal{background:var(--sage-l);border-color:#d5e5dd;color:var(--teal-d)}
.notice b{color:inherit}

/* video facade */
.video{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:16/9;background:#000;box-shadow:0 20px 50px -20px rgba(0,0,0,.6)}
.video img,.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;object-fit:cover}
.video button{position:absolute;inset:0;width:100%;background:transparent;border:0;cursor:pointer}
.video .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:72px;height:72px;border-radius:50%;background:rgba(15,26,43,.82);border:2px solid var(--ember);display:grid;place-items:center}
.video .play::after{content:"";border-left:22px solid var(--glow);border-top:13px solid transparent;border-bottom:13px solid transparent;margin-left:6px}

/* article */
.prose{max-width:720px}
.prose h2{margin-top:1.6em}
.prose li{margin-bottom:.4em}
.takeaways{background:var(--sage-l);border:1px solid #d5e5dd;border-radius:var(--r);padding:20px 22px;margin-bottom:28px}
.takeaways ul{margin:0;padding-left:20px}
.table-scroll{overflow-x:auto;margin:0 0 1.2em}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.92rem;background:var(--card)}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--paper-2);font-weight:650}
blockquote{margin:1.4em 0;padding:4px 0 4px 18px;border-left:4px solid var(--ember);font:italic 1.25rem/1.4 var(--serif);color:var(--ink)}
.refs ol{padding-left:22px;font-size:.88rem;color:var(--ink-2)}
.refs li{margin-bottom:.6em}
sup a{text-decoration:none;font-weight:700;padding:0 1px}
.crumbs{font-size:.86rem;color:var(--ink-3);margin-bottom:14px}.crumbs a{color:var(--ink-3)}
.dark .crumbs,.dark .crumbs a{color:var(--ash)}
.byline{display:flex;gap:12px;align-items:center;margin-top:18px}
.avatar{width:46px;height:46px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:700}
.byline b{display:block}.byline span{font-size:.86rem;color:var(--ink-3)}

/* page hero */
.page-hero{padding:40px 0 28px}
.page-hero.skin{background:radial-gradient(600px 300px at 100% 0%,var(--teal-l),transparent 70%)}
.page-hero.rest{padding:44px 0 40px}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 6px;padding:0;list-style:none}
.toc a{display:inline-block;padding:7px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--ink-2);font-size:.88rem;background:var(--card)}

/* footer */
.site-footer{background:var(--navy);color:var(--ash);padding:44px 0 28px;font-size:.9rem}
.site-footer a{color:var(--cream);text-decoration:none}.site-footer a:hover{text-decoration:underline}
.fgrid{display:grid;gap:24px}
@media(min-width:760px){.fgrid{grid-template-columns:1.4fr 1fr 1fr}}
.site-footer h4{color:var(--cream);font:600 .78rem/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;margin:0 0 12px}
.site-footer ul{list-style:none;padding:0;margin:0}.site-footer li{margin-bottom:8px}
.site-footer .brand{color:var(--cream)}.site-footer .brand i{color:var(--glow)}
.legal{border-top:1px solid #253046;margin-top:28px;padding-top:18px;font-size:.8rem;line-height:1.55}
.dark .btn-ember,.dark .btn-ember:hover{color:var(--navy)}.dark .btn-ghost-d{color:var(--cream)}

/* ---- Studied Skin Number quiz (ported from the StudiedSkin prototype) ---- */
.quiz-wrap{padding:28px 0 56px;background:radial-gradient(700px 320px at 100% 0%,var(--teal-l),transparent 65%)}
.quiz-shell{max-width:720px;margin:0 auto}
.quiz-shell.is-result{max-width:980px}
.progress{height:6px;background:var(--paper-2);border-radius:99px;overflow:hidden;margin-bottom:14px}
.progress i{display:block;height:100%;width:0;background:var(--teal-d);transition:width .4s}
.quiz-card{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:24px 20px}
@media(min-width:700px){.quiz-card{padding:40px}}
.q-meta{display:flex;justify-content:space-between;gap:8px;font-size:.8rem;color:var(--ink-3);margin-bottom:12px;font-weight:500}
.q-part{color:var(--teal-d);font-weight:650;text-transform:uppercase;letter-spacing:.1em}
.q-title{font-size:clamp(1.35rem,5vw,1.9rem);margin-bottom:10px}
.q-help{color:var(--ink-2);font-size:.95rem;margin-bottom:20px}
.opts{display:grid;gap:10px}
.opt{display:flex;gap:14px;align-items:center;text-align:left;width:100%;background:var(--paper);border:1.5px solid var(--line);border-radius:14px;padding:14px 16px;font:500 1rem/1.4 var(--sans);color:var(--ink);cursor:pointer;min-height:56px}
@media(hover:hover){.opt:hover{border-color:var(--teal);background:var(--sage-l)}}
.opt[aria-pressed="true"],.opt[aria-checked="true"]{border-color:var(--teal-d);background:var(--sage-l);box-shadow:inset 0 0 0 1px var(--teal-d)}
.opt .dot{flex:none;width:30px;height:30px;border-radius:50%;border:1.5px solid #d8cfc1;display:grid;place-items:center;font-size:.8rem;font-weight:650;color:var(--ink-3);background:#fff}
.opt[aria-pressed="true"] .dot,.opt[aria-checked="true"] .dot{background:var(--teal-d);border-color:var(--teal-d);color:#fff}
.opt.check .dot{border-radius:8px}
.opts.yn{grid-template-columns:1fr 1fr}
.q-nav{display:flex;justify-content:space-between;align-items:center;margin-top:24px;gap:12px}
.linkbtn{background:none;border:0;color:var(--ink-2);font:500 .95rem var(--sans);cursor:pointer;padding:12px 4px;text-decoration:underline;text-underline-offset:3px}
.flag-list{margin:0 0 18px;padding:14px 16px 14px 34px;background:#F3E4E0;border-radius:14px;color:#7c3a2c;font-size:.95rem}
.inline-warn{margin-top:14px;padding:12px 14px;border-radius:12px;background:#F3E4E0;color:#7c3a2c;font-size:.9rem}
.privacy-pill{display:inline-flex;gap:8px;align-items:center;font-size:.8rem;color:var(--teal-d);background:var(--sage-l);border-radius:999px;padding:6px 12px;font-weight:600}
.privacy-pill svg,.intro-list svg,.banner svg{width:16px;height:16px;flex:none}
.intro-list{list-style:none;padding:0;margin:20px 0}
.intro-list li{display:flex;gap:12px;margin-bottom:12px;color:var(--ink-2)}
.intro-list svg{width:20px;height:20px;color:var(--teal-d);margin-top:3px}
.fineprint{font-size:.82rem;color:var(--ink-3);background:var(--paper);border-radius:12px;padding:12px 14px;margin:18px 0}
.result-hero{text-align:center;padding:6px 0 22px}
.result-num{width:140px;height:140px;margin:0 auto 16px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 30%,#fff,var(--rc-l,var(--sage-l)) 70%);box-shadow:0 24px 50px -28px var(--rc,var(--teal)),inset 0 0 0 1px rgba(0,0,0,.04);outline:1.5px dashed var(--rc,var(--teal));outline-offset:8px}
.result-num span{font:400 4.6rem/1 var(--serif);color:var(--rc,var(--teal-d))}
.result-num span.lo{font-size:1.35rem;font-style:italic;text-align:center;line-height:1.1}
.result-hero h1{font-size:clamp(1.8rem,6vw,2.7rem);margin-bottom:6px}
.result-hero h1 em{font-style:italic;color:var(--rc,var(--teal-d))}
.result-name{font-weight:650;color:var(--rc,var(--teal-d));text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;margin-bottom:10px}
.result-hero .sub{color:var(--ink-3);font-size:.92rem}
.result-copy{font-size:1.05rem;color:var(--ink-2);max-width:40em;margin:0 auto 20px}
.score-detail{font-size:.86rem;color:var(--ink-3);background:var(--paper);border-radius:12px;padding:12px 14px;margin-bottom:8px}
.r-section{border-top:1px solid var(--line);padding:22px 0}
.r-section h3{font-size:1.2rem}
.routine{list-style:none;padding:0;margin:0;counter-reset:s}
.routine li{counter-increment:s;display:flex;gap:12px;padding:8px 0;color:var(--ink-2)}
.routine li::before{content:counter(s);flex:none;width:28px;height:28px;border-radius:50%;background:var(--sage-l);color:var(--teal-d);display:grid;place-items:center;font-weight:650;font-size:.85rem}
.routine li b{color:var(--ink)}
.banner{display:flex;gap:12px;border-radius:14px;padding:14px 16px;font-size:.94rem;margin-bottom:12px}
.banner.info{background:var(--amber-l);color:#7a521c}
.banner.urgent{background:#B4533E;color:#fff}.banner.urgent a{color:#fff}
.banner.mh{background:#efeaf6;color:#4b3c6b}
.clin-box{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.clin-box ul{margin:8px 0 0;padding-left:20px;color:var(--ink-2)}
.redflags{background:#fff;border:1px solid #f0d2ca;border-radius:var(--r);padding:18px 20px}
.redflags h3{color:#9b4636;font:650 1.05rem/1.3 var(--sans);letter-spacing:0}
.redflags ul{margin:0;padding-left:20px;font-size:.93rem;color:var(--ink-2)}
.result-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:10px}
.preview-nav{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:20px 0 0;font-size:.82rem;color:var(--ink-3);align-items:center}
.preview-nav a{display:inline-grid;place-items:center;min-width:34px;height:34px;padding:0 8px;border-radius:999px;border:1px solid var(--line);text-decoration:none;color:var(--ink-2);font-weight:650}
.disclose{font-size:.9rem;color:var(--ink-2);background:var(--amber-l);border-radius:12px;padding:12px 14px;display:flex;gap:10px}
.disclose svg{width:18px;height:18px;flex:none;margin-top:2px}
.res-n1{--rc:#6a8f67;--rc-l:#e7f0e3}.res-n2{--rc:#4f8f85;--rc-l:#dceee8}.res-n3{--rc:#45767d;--rc-l:#deebec}.res-n4{--rc:#a8742a;--rc-l:#f6ead3}.res-n5{--rc:#B4533E;--rc-l:#f8e2dc}.res-lo{--rc:#7d6aa6;--rc-l:#ece7f5}
.skip-list li{margin-bottom:.7em}
@media print{.site-header,.site-footer,.draft,.result-actions,.preview-nav,.q-nav{display:none!important}.quiz-card{box-shadow:none;border:0}}
.q-anim{animation:qin .35s cubic-bezier(.2,.7,.2,1)}
@keyframes qin{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.q-anim{animation:none}}
[tabindex="-1"]:focus{outline:none}