:root{--ink:#0E0F11;--char:#151619;--char2:#1E1F23;--paper:#FAFAF7;--alt:#F2F2ED;--white:#FFFFFF;--stone:#5B5F66;--mist:#8B8F97;--line:#E4E4DF;--line-d:#2B2C31;--amber:#D9A030;--amber-d:#A9781A;--amber-soft:#FBF3DF;--max:1120px;--r:12px;--font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}
img,svg{max-width:100%}
a{color:inherit}
p{margin:0 0 16px}
h1,h2,h3{margin:0;letter-spacing:-.02em;line-height:1.12;font-weight:750}
h1{font-size:clamp(32px,5.5vw,56px);margin-bottom:14px}
h2{font-size:clamp(26px,3.4vw,36px);margin-bottom:22px}
h3{font-size:19px;letter-spacing:-.01em;margin:26px 0 10px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
@media(min-width:768px){.wrap{padding:0 32px}}
.skip{position:absolute;left:-999px;top:8px;background:var(--amber);color:var(--ink);padding:8px 12px;border-radius:6px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(250,250,247,.94);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:700;letter-spacing:-.01em;font-size:16px;white-space:nowrap}
.mark{width:34px;height:34px;flex:0 0 34px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:12.5px;font-weight:800;letter-spacing:.06em;border-radius:7px}
.menu{display:none;gap:30px;align-items:center}
.menu a{text-decoration:none;font-weight:500;color:var(--ink);font-size:15px}
.menu a:hover,.menu a.on{color:var(--amber-d)}
.burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;padding:0}
.burger span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.burger span::before{top:-6px}.burger span::after{top:6px}
.mobile{display:none;background:var(--paper);border-bottom:1px solid var(--line)}
.mobile.open{display:block}
.mobile a{display:block;padding:14px 20px;text-decoration:none;font-weight:500;border-top:1px solid var(--line);font-size:16px}
.mobile a.sub{padding-left:38px;color:var(--stone);font-weight:400}
@media(min-width:960px){.menu{display:flex}.burger{display:none}.mobile{display:none!important}}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 22px;min-height:46px;border-radius:9px;font-weight:600;text-decoration:none;font-size:15px;line-height:1.1;border:1.5px solid transparent;cursor:pointer;font-family:inherit;transition:background .15s,color .15s,border-color .15s}
.btn-amber{background:var(--amber);color:var(--ink);border-color:var(--amber)}
.btn-amber:hover{background:#E6B04A;border-color:#E6B04A}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.dark .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.dark .btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-static{cursor:default}
.btn-static.btn-ghost:hover{background:transparent;color:var(--ink)}
.buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
@media(max-width:520px){.buttons .btn{width:100%}}
/* bands */
.band{padding:56px 0}
@media(min-width:768px){.band{padding:84px 0}}
.band.alt{background:var(--alt)}
.band.head{padding:56px 0 40px;border-bottom:1px solid var(--line)}
@media(min-width:768px){.band.head{padding:88px 0 56px}}
.dark{background:var(--char);color:#fff}
.dark p{color:rgba(255,255,255,.82)}
.dark a{color:#fff}
.hero{padding:64px 0 60px}
@media(min-width:768px){.hero{padding:104px 0 96px}}
.hero p{max-width:62ch;font-size:17.5px}
.hero-grid{display:grid;gap:40px;align-items:center}
@media(min-width:860px){.hero-grid{grid-template-columns:1.3fr .9fr;gap:64px}}
.hero-fig{margin:0;order:-1}
@media(min-width:860px){.hero-fig{order:2}}
.hero-fig img{display:block;width:100%;max-width:400px;height:auto;border-radius:14px;margin:0 auto;box-shadow:0 24px 60px rgba(0,0,0,.45)}
.split img{display:block;width:100%;height:auto;border-radius:var(--r)}
.jacket-img{display:block;width:100%;max-width:220px;height:auto;border-radius:6px;box-shadow:0 12px 30px rgba(0,0,0,.18)}
.systems{display:grid;gap:18px}
@media(min-width:860px){.systems{grid-template-columns:repeat(3,1fr)}}
.sys{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.sys .name{font-weight:800;font-size:22px;letter-spacing:-.02em;margin:0 0 8px}
.sys p{margin:0 0 12px;color:var(--stone);font-size:15.5px;line-height:1.55}
.sys .pub{font-size:14px;color:var(--amber-d);font-weight:600;text-decoration:none}
.sys .pub:hover{text-decoration:underline}
.gallery{display:grid;gap:18px;margin:0 0 26px}
@media(min-width:640px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media(min-width:960px){.gallery{grid-template-columns:repeat(4,1fr)}}
.gallery figure{margin:0}
.gallery img{display:block;width:100%;height:auto;border-radius:var(--r)}
.gallery figcaption{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:14px;color:var(--stone);margin-top:10px}
.gallery figcaption a{color:var(--amber-d);font-weight:600;text-decoration:none;white-space:nowrap}
.gallery figcaption a:hover{text-decoration:underline}
.pubs{list-style:none;margin:0 0 20px;padding:0}
.pubs li{padding:16px 0;border-top:1px solid var(--line);font-size:15.5px;line-height:1.55}
.pubs .t{font-weight:600}
.pubs .v{color:var(--stone)}
.pubs a{color:var(--amber-d);text-decoration:none;font-weight:600}
.pubs a:hover{text-decoration:underline}
.pubs .tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--stone);border:1px solid var(--line);border-radius:4px;padding:1px 6px;margin-left:6px}
.eyebrow{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--amber-d);font-weight:700;margin:0 0 18px}
.dark .eyebrow{color:var(--amber)}
.sub{font-size:clamp(18px,2.3vw,23px);font-weight:500;color:var(--stone);margin:0 0 26px}
.dark .sub{color:rgba(255,255,255,.78)}
.lead{font-size:clamp(19px,2.4vw,25px);line-height:1.38;font-weight:500;max-width:34ch;margin:0 0 22px;letter-spacing:-.01em}
.head .lead{max-width:52ch;font-weight:450;color:var(--stone)}
.hero .lead{font-weight:650;max-width:26ch;font-size:clamp(23px,3vw,34px);line-height:1.25;color:#fff}
.dark h2{color:#fff}
.band.dark h2{margin-bottom:12px}
.band.dark .buttons{margin-top:22px}
/* proof strip */
.proof{border-bottom:1px solid var(--line);background:var(--white)}
.proof ul{list-style:none;margin:0;padding:18px 0;display:flex;flex-wrap:wrap;gap:10px 28px;font-size:14px;color:var(--stone);font-weight:500}
.proof li{display:flex;align-items:center;gap:10px}
.proof li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);flex:0 0 6px}
/* grids */
.cards{display:grid;gap:18px}
@media(min-width:640px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.cards.c4{grid-template-columns:repeat(4,1fr)}.cards.c3{grid-template-columns:repeat(3,1fr)}.cards.c6{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:26px 26px 24px;display:flex;flex-direction:column;gap:10px;transition:border-color .15s,transform .15s}
.card:hover{border-color:#C9C9C2;transform:translateY(-2px)}
.card h3{margin:0;font-size:18.5px}
.card p{margin:0;color:var(--stone);font-size:15.5px;line-height:1.55;flex:1}
.card a.more{color:var(--amber-d);text-decoration:none;font-weight:600;font-size:15px;margin-top:6px}
.card a.more:hover{text-decoration:underline}
.threes{display:grid;gap:26px}
@media(min-width:768px){.threes{grid-template-columns:repeat(3,1fr);gap:36px}}
.threes h3{margin:0 0 8px;font-size:20px}
.threes p{margin:0;color:var(--stone);font-size:16px}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:22px;counter-reset:s}
@media(min-width:768px){.steps.cols{grid-template-columns:repeat(3,1fr);gap:32px}}
.steps li{counter-increment:s;padding-left:54px;position:relative}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:2px;font-weight:800;color:var(--amber-d);font-size:15px;letter-spacing:.04em}
.steps h3{margin:0 0 6px;font-size:19px}
.steps p{margin:0;color:var(--stone);font-size:16px}
.topics{display:grid;gap:0 40px;margin:0 0 8px}
@media(min-width:768px){.topics{grid-template-columns:1fr 1fr}}
.topics > div{padding:22px 0;border-top:1px solid var(--line)}
.topics h3{margin:0 0 6px;font-size:20px}
.topics p{margin:0;color:var(--stone);font-size:16px}
.twocol{display:grid;gap:20px;margin-top:34px;padding-top:28px;border-top:1px solid var(--line)}
@media(min-width:640px){.twocol{grid-template-columns:1fr 1fr}}
.twocol h3{margin:0 0 4px;font-size:16px;text-transform:uppercase;letter-spacing:.08em;color:var(--stone)}
.twocol p{margin:0;font-size:17px;text-wrap:pretty}
@supports(text-wrap:balance){.twocol p{text-wrap:balance}}
ul.list{margin:0 0 16px;padding-left:22px}
ul.list li{margin-bottom:8px}
.split{display:grid;gap:32px;align-items:start}
@media(min-width:860px){.split{grid-template-columns:1fr 1.7fr;gap:56px}}
.split h2{margin-bottom:16px}
a.textlink{color:var(--amber-d);font-weight:600;text-decoration:none}
a.textlink:hover{text-decoration:underline}
/* covers */
.covers{display:grid;gap:18px}
@media(min-width:800px){.covers{grid-template-columns:repeat(3,1fr)}.cover.featured{grid-column:span 2}}
.cover{background:var(--char);color:#fff;border-radius:var(--r);padding:30px 28px 26px;min-height:240px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden;text-decoration:none;transition:transform .15s}
.cover:hover{transform:translateY(-2px)}
.cover.featured{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'%3E%3Ccircle cx='100' cy='100' r='84' fill='none' stroke='%23D9A030' stroke-width='3' stroke-dasharray='14 12'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right -40px top -40px;background-size:240px}
.cover .kicker{color:var(--amber);font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;margin-bottom:auto}
.cover h3{margin:26px 0 8px;font-size:clamp(20px,2.2vw,26px);line-height:1.2;letter-spacing:-.015em}
.cover.featured h3{font-size:clamp(22px,2.8vw,32px)}
.cover p{margin:0 0 14px;color:rgba(255,255,255,.78);font-size:15px;line-height:1.5}
.cover .more{color:var(--amber);font-weight:600;font-size:14.5px}
/* photo placeholder */
.ph-photo{aspect-ratio:1/1;background:var(--char);border-radius:var(--r);display:grid;place-items:center;position:relative;max-width:420px}
.ph-photo::before{content:"";width:62%;aspect-ratio:1/1;border:3px dashed var(--amber);border-radius:50%;position:absolute;opacity:.85}
.ph-photo span{color:#fff;font-weight:600;font-size:15px;letter-spacing:.02em;background:rgba(0,0,0,.35);padding:6px 12px;border-radius:6px;z-index:1}
/* placeholder tag */
.ph{display:inline-block;background:var(--amber-soft);color:var(--amber-d);font-size:12.5px;font-weight:600;padding:2px 8px;border-radius:5px;vertical-align:baseline;border:1px dashed rgba(169,120,26,.5);line-height:1.5}
/* downloads */
.downloads{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.dl{display:inline-flex;align-items:center;gap:10px;min-height:46px;padding:0 18px;border:1px solid var(--line);border-radius:9px;background:#fff;text-decoration:none;font-weight:600;font-size:15px}
.dl:hover{border-color:var(--ink)}
.dl.isph{border-style:dashed;color:var(--stone)}
.dl svg{width:16px;height:16px;flex:0 0 16px}
/* details */
details{border:1px solid var(--line);border-radius:var(--r);background:#fff;padding:0 22px}
summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:22px;color:var(--amber-d);font-weight:500}
details[open] summary::after{content:"\2212"}
.courses{display:grid;gap:20px;padding:6px 0 22px;border-top:1px solid var(--line)}
@media(min-width:768px){.courses{grid-template-columns:repeat(2,1fr)}}
.courses h4{margin:14px 0 6px;font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--stone)}
.courses ul{margin:0;padding-left:18px;font-size:15.5px}
.courses li{margin-bottom:4px}
/* record */
.record{display:grid;gap:22px}
.rec{display:grid;gap:8px;padding:22px 0;border-top:1px solid var(--line)}
@media(min-width:720px){.rec{grid-template-columns:240px 1fr;gap:24px}}
.rec h3{margin:0;font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--stone);padding-top:3px}
.rec ul{margin:0;padding-left:18px}
.rec li{margin-bottom:6px}
/* book */
.book{display:grid;gap:24px;align-items:start;padding:8px 0}
.book + .book{margin-top:40px;padding-top:40px;border-top:1px solid var(--line)}
@media(min-width:720px){.book{grid-template-columns:220px 1fr;gap:44px}}
.jacket{aspect-ratio:2/3;background:var(--char);color:#fff;border-radius:8px;padding:22px 20px;display:flex;flex-direction:column;justify-content:space-between;max-width:220px;box-shadow:0 12px 30px rgba(0,0,0,.18)}
.jacket .t{font-weight:800;font-size:22px;line-height:1.1;letter-spacing:-.02em}
.jacket .a{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);font-weight:700}
.book h3{margin:0 0 2px;font-size:clamp(22px,2.6vw,30px);letter-spacing:-.02em}
.book .subtitle{font-size:18px;color:var(--stone);margin:0 0 12px;font-weight:500}
.book .meta{font-size:14px;color:var(--mist);margin-bottom:14px}
.book .buttons{margin-top:16px}
/* media list */
.media{list-style:none;margin:0;padding:0}
.media li{display:grid;gap:4px;padding:18px 0;border-top:1px solid var(--line)}
@media(min-width:720px){.media li{grid-template-columns:140px 1fr auto;gap:20px;align-items:baseline}}
.media .outlet{font-weight:700;font-size:15px}
.media a{text-decoration:none;font-weight:500}
.media a:hover{text-decoration:underline}
.media .note{color:var(--mist);font-size:14px}
.media .extra{display:inline-block;margin-left:8px;font-size:13px}
.media .extra a{color:var(--amber-d);font-weight:600;margin-right:10px}
/* form */
.formsplit{display:grid;gap:40px}
@media(min-width:900px){.formsplit{grid-template-columns:1.35fr 1fr;gap:64px}}
.field{display:grid;gap:6px;margin-bottom:18px}
.field label{font-weight:600;font-size:14.5px}
.field .opt{color:var(--mist);font-weight:400}
input,select,textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1px solid #CFCFC9;border-radius:9px;background:#fff;color:var(--ink);min-height:46px}
textarea{min-height:150px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:3px solid var(--amber);outline-offset:1px;border-color:var(--amber-d)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.aside h3{margin-top:0}
.aside h3 + ul{margin-top:0}
.aside ul{padding-left:20px;color:var(--stone);font-size:15.5px}
.aside li{margin-bottom:8px}
.note{margin-top:14px;padding:14px 16px;background:var(--amber-soft);border-radius:9px;font-size:15px;color:var(--amber-d)}
/* footer */
footer{background:var(--char);color:#fff;padding:56px 0 28px;margin-top:0}
footer .cols{display:grid;gap:32px}
@media(min-width:768px){footer .cols{grid-template-columns:1.6fr 1fr 1fr}}
footer h4{margin:0 0 12px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--amber)}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin-bottom:8px}
footer a{color:rgba(255,255,255,.85);text-decoration:none;font-size:15px}
footer a:hover{color:#fff;text-decoration:underline}
footer .entity{color:rgba(255,255,255,.85);font-size:15px;max-width:40ch;line-height:1.55}
footer .bottom{border-top:1px solid var(--line-d);margin-top:40px;padding-top:20px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;color:rgba(255,255,255,.55);font-size:13.5px}
footer .bottom a{color:rgba(255,255,255,.7);font-size:13.5px}
.footer-brand{display:flex;align-items:center;gap:11px;font-weight:700;margin-bottom:14px}
.footer-brand .mark{background:#fff;color:var(--ink)}