:root{
  --paper:#F3EEE3; --paper-deep:#E9E2D3; --sheet:#FBF8F1;
  --ink:#15211B; --ink-soft:#3E4B44;
  --green:#1F5A41; --green-deep:#16412F;
  --hi:#F4CF3A; --rule:#CFC6B2;
  --display:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  --body:"Instrument Sans",ui-sans-serif,system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
  --wrap:1120px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.6 var(--body);-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:800;letter-spacing:-.035em;line-height:1.02;margin:0;text-wrap:balance}
p{margin:0;text-wrap:pretty}
.wrap{width:min(100% - 40px,var(--wrap));margin-inline:auto}
:focus-visible{outline:3px solid var(--green);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:10px 14px;border-radius:6px;z-index:50}
.skip:focus{left:12px}

/* highlighter swipe */
.hi{background:linear-gradient(transparent 58%,var(--hi) 58%,var(--hi) 92%,transparent 92%);padding-inline:.08em;margin-inline:-.08em;-webkit-box-decoration-break:clone;box-decoration-break:clone}

/* header */
.header{position:relative;z-index:20}
.header__in{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:22px}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;font:800 1.3rem/1 var(--display);letter-spacing:-.04em}
.brand svg{width:34px;height:34px;flex:none}
.nav{display:flex;align-items:center;gap:30px}
.nav a{text-decoration:none;font-weight:500;font-size:.98rem;color:var(--ink-soft);transition:color .2s}
.nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 24px;border:0;border-radius:10px;background:var(--green);color:var(--sheet);font:600 1rem/1 var(--body);text-decoration:none;cursor:pointer;box-shadow:0 1px 0 rgba(255,255,255,.18) inset,0 10px 22px -12px rgba(21,33,27,.55);transition:background .2s,transform .25s var(--ease),box-shadow .25s var(--ease)}
.btn:hover{background:var(--green-deep);transform:translateY(-2px);box-shadow:0 1px 0 rgba(255,255,255,.18) inset,0 16px 26px -14px rgba(21,33,27,.6)}
.btn:active{transform:translateY(0)}
.btn[disabled]{opacity:.6;cursor:progress;transform:none}
.nav .btn{min-height:44px;padding:0 18px;color:var(--sheet);font-size:.95rem}
.menu{display:none}
.menu summary{list-style:none;width:46px;height:46px;border-radius:10px;border:1.5px solid var(--ink);display:grid;place-items:center;cursor:pointer}
.menu summary::-webkit-details-marker{display:none}
.menu summary svg{width:22px;height:22px}
.menu__panel{position:absolute;left:20px;right:20px;top:calc(100% - 4px);background:var(--sheet);border:1.5px solid var(--ink);border-radius:14px;padding:10px;display:grid;gap:2px;text-align:center;box-shadow:0 24px 40px -22px rgba(21,33,27,.5)}
.menu__panel a{padding:14px;border-radius:9px;text-decoration:none;font-weight:600}
.menu__panel a:not(.btn):hover{background:var(--paper-deep)}
.menu__panel .btn{margin-top:6px}

/* hero */
.hero{padding-block:clamp(28px,5vw,64px) clamp(56px,7vw,88px)}
.hero__grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:clamp(36px,5vw,72px);align-items:center}
.hero h1{font-size:clamp(2.7rem,6.1vw,5.1rem)}
.hero h1 span{display:block}
.hero__sub{margin-top:26px;font-size:clamp(1.08rem,1.5vw,1.26rem);line-height:1.55;color:var(--ink-soft);max-width:33em}
.hero__sub strong{color:var(--ink);font-weight:600}

/* hero cta */
.hero__cta{margin-top:34px;max-width:520px}
.btn--big{min-height:60px;padding:0 32px;font-size:1.08rem;border-radius:12px}
.hero__note{margin-top:16px;font-size:.95rem;line-height:1.5;color:var(--ink-soft);max-width:34em}

/* signup */
.signup{margin-top:34px;max-width:520px}
.signup__row{display:flex;gap:10px}
.signup label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.signup input[type=email]{flex:1;min-width:0;min-height:52px;padding:0 16px;border-radius:10px;border:1.5px solid var(--ink);background:var(--sheet);font:500 1rem var(--body);color:var(--ink)}
.signup input[type=email]::placeholder{color:#5C6B63}
.signup input[type=email]:focus{outline:3px solid var(--green);outline-offset:2px}
.signup .hp{position:absolute;left:-5000px}
.signup__note{margin-top:12px;font-size:.92rem;color:var(--ink-soft)}
.signup__msg{margin-top:12px;font-weight:600;min-height:1.4em}
.signup__msg[data-state=ok]{color:var(--green-deep)}
.signup__msg[data-state=err]{color:#8A2A12}

/* staff board */
.board{background:var(--sheet);border:1.5px solid var(--ink);border-radius:16px;box-shadow:0 30px 60px -34px rgba(21,33,27,.55),0 2px 0 var(--ink);overflow:hidden;transform:rotate(.6deg)}
.board__top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:18px 22px 14px;border-bottom:1.5px solid var(--ink);background:var(--paper-deep)}
.board__top h2{font-size:1.18rem;letter-spacing:-.025em}
.board__top span{font:500 .78rem var(--mono);color:var(--ink-soft);white-space:nowrap}
.board ul{list-style:none;margin:0;padding:0}
.row{display:grid;grid-template-columns:74px 1fr auto;gap:14px;align-items:center;padding:13px 22px;border-bottom:1px solid var(--rule)}
.row:last-child{border-bottom:0}
.row time{font:500 .82rem var(--mono);color:var(--ink-soft)}
.row b{display:block;font:700 1.02rem/1.2 var(--display);letter-spacing:-.02em}
.row small{display:block;font-size:.88rem;line-height:1.35;color:var(--ink-soft);margin-top:2px}
.tag{font:500 .7rem/1 var(--mono);text-transform:uppercase;letter-spacing:.06em;padding:6px 8px;border-radius:6px;border:1.5px solid var(--ink);white-space:nowrap}
.tag--ai{background:var(--hi)}
.tag--human{background:transparent}
.board__foot{padding:12px 22px 16px;font-size:.84rem;color:var(--ink-soft);background:var(--paper-deep);border-top:1.5px solid var(--ink)}

@media (prefers-reduced-motion:no-preference){
  .row{animation:clockin .7s var(--ease) both;animation-delay:calc(var(--i)*90ms + 250ms)}
  @keyframes clockin{from{opacity:0;clip-path:inset(0 100% 0 0);filter:blur(3px)}to{opacity:1;clip-path:inset(0 0 0 0);filter:blur(0)}}
}

/* definition band */
.define{background:var(--ink);color:var(--paper);padding-block:clamp(56px,7vw,84px)}
.define__grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(36px,6vw,88px);align-items:start}
.define h2{font-size:clamp(2rem,4vw,3.2rem)}
.define h2 .hi,.close h2 .hi{background:var(--hi);color:var(--ink);border-radius:.14em;padding:0 .16em;margin-inline:0}
.define__lede{margin-top:22px;color:#C9D2CB;font-size:1.1rem;max-width:30em}
.sheet{background:var(--sheet);color:var(--ink);border-radius:14px;padding:clamp(22px,3vw,34px);box-shadow:0 30px 50px -30px rgba(0,0,0,.7);transform:rotate(-.5deg)}
.sheet h3{font-size:1.5rem;letter-spacing:-.03em;padding-bottom:14px;border-bottom:1.5px solid var(--ink)}
.sheet dl{margin:0;display:grid;grid-template-columns:118px 1fr;row-gap:0}
.sheet dt,.sheet dd{margin:0;padding:12px 0;border-bottom:1px solid var(--rule)}
.sheet dt{font:500 .74rem/1.7 var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft)}
.sheet dd{font-size:.98rem;line-height:1.5}
.sheet dl>:nth-last-child(-n+2){border-bottom:0}

/* sessions */
.sessions{padding-block:clamp(60px,7.5vw,90px) clamp(44px,5vw,64px)}
.sessions h2{font-size:clamp(2rem,4vw,3.2rem);max-width:15em}
.sessions__intro{margin-top:18px;color:var(--ink-soft);max-width:36em;font-size:1.08rem}
.days{margin:44px 0 0;padding:0;list-style:none;border-top:1.5px solid var(--ink)}
.day{display:grid;grid-template-columns:200px minmax(0,1fr) minmax(0,.8fr);gap:clamp(18px,3vw,44px);padding:28px 0;border-bottom:1.5px solid var(--ink);align-items:start}
.day__when{font:800 1.5rem/1.1 var(--display);letter-spacing:-.03em}
.day h3{font-size:1.3rem;letter-spacing:-.025em;line-height:1.15}
.day p{margin-top:8px;color:var(--ink-soft);font-size:1rem}
.day__leave{font-size:.95rem;line-height:1.5}
.day__leave span{display:block;font:500 .72rem/1 var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);margin-bottom:8px}

/* what we install: foot */
.sessions__foot{margin-top:28px;font-size:1.05rem;color:var(--ink-soft);max-width:40em}
.sessions__foot strong{color:var(--ink);font-weight:600}
.day__when br{display:none}

/* how it works */
.how{background:var(--paper-deep);padding-block:clamp(56px,7vw,84px)}
.how h2{font-size:clamp(2rem,4vw,3.2rem)}
.steps{list-style:none;margin:36px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(24px,3vw,44px);counter-reset:step}
.step{counter-increment:step;padding-top:18px;border-top:1.5px solid var(--ink)}
.step h3{font-size:1.4rem;letter-spacing:-.03em;line-height:1.1}
.step h3::before{content:counter(step) ".";display:inline-block;margin-right:.35em;font:500 .8em var(--mono);color:var(--ink-soft);letter-spacing:0}
.step p{margin-top:12px;color:var(--ink-soft);font-size:1rem}
.how__stack{margin-top:40px;padding-top:18px;border-top:1.5px solid var(--ink);font:500 .95rem/1.7 var(--mono);color:var(--ink)}
.how__stack span{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);margin-bottom:4px}
.how__note{margin-top:16px;color:var(--ink-soft);max-width:44em;font-size:1rem}

/* teacher */
.teacher{background:var(--paper-deep);padding-block:clamp(52px,6.5vw,80px)}
.teacher__in{max-width:780px}
.teacher h2{font-size:clamp(1.9rem,3.6vw,2.8rem)}
.teacher p{margin-top:20px;font-size:1.1rem;color:var(--ink-soft)}
.teacher p strong{color:var(--ink);font-weight:600}
.teacher__sig{margin-top:26px;font:700 1.15rem var(--display);letter-spacing:-.02em;color:var(--ink)}
.teacher__sig small{display:block;font:400 .95rem var(--body);color:var(--ink-soft);letter-spacing:0;margin-top:3px}

/* faq */
.faq{padding-block:clamp(60px,7.5vw,90px) clamp(40px,5vw,60px)}
.faq__in{max-width:760px;margin-inline:auto;text-align:center}
.faq h2{font-size:clamp(2rem,4vw,3rem)}
.faq__list{margin-top:36px;text-align:left;border-top:1.5px solid var(--ink)}
.faq details{border-bottom:1.5px solid var(--ink)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:20px 2px;font:700 1.12rem/1.3 var(--display);letter-spacing:-.02em}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{flex:none;width:18px;height:18px;transition:transform .35s var(--ease)}
.faq details[open] summary svg{transform:rotate(45deg)}
.faq details p{padding:0 2px 22px;color:var(--ink-soft);max-width:62ch}

/* closing */
.close{padding-block:clamp(20px,3vw,36px) clamp(64px,8vw,96px)}
.close__card{background:var(--green);color:var(--sheet);border-radius:22px;padding:clamp(34px,5.5vw,68px);text-align:center;box-shadow:0 36px 60px -36px rgba(21,33,27,.6)}
.close h2{font-size:clamp(2.1rem,4.6vw,3.6rem)}
.close p{margin:18px auto 0;max-width:34em;color:#DCE9E1;font-size:1.1rem}
.close .signup{margin-inline:auto}
.close .signup input[type=email]{border-color:transparent}
.close .btn{background:var(--ink);box-shadow:0 12px 24px -14px rgba(0,0,0,.8)}
.close .btn:hover{background:#0B130F}
.close .signup__note{color:#C8DCD0}
.close .signup__msg[data-state=ok]{color:var(--hi)}
.close .signup__msg[data-state=err]{color:#FFD9CC}

/* quiet signup under the main cta */
.close .btn--big{margin-top:28px}
.signup--quiet{margin:34px auto 0;padding-top:26px;border-top:1px solid rgba(251,248,241,.28);max-width:560px}
.signup__lead{font-size:.95rem;line-height:1.5;color:#C8DCD0}
.signup--quiet .signup__row{margin-top:14px}
.signup--quiet .btn{min-height:52px}

/* footer */
.footer{border-top:1.5px solid var(--ink);padding-block:40px 48px;text-align:center}
.footer .brand{justify-content:center}
.footer p{margin-top:14px;font-size:.93rem;color:var(--ink-soft)}
.footer p+p{margin-top:6px}

/* tablet + phone: center everything, lean header */
@media (max-width:1000px){
  .nav{display:none}
  .menu{display:block}
  .hero__grid,.define__grid{grid-template-columns:1fr}
  .hero,.define,.sessions,.teacher,.how{text-align:center}
  .hero__sub,.define__lede,.sessions h2,.sessions__intro,.sessions__foot,.teacher__in,.hero__cta,.hero__note,.how__note{margin-inline:auto}
  .steps{grid-template-columns:1fr;gap:8px}
  .step p{margin-inline:auto;max-width:36em}
  .day__when br{display:inline}
  .signup{margin-inline:auto}
  .board,.sheet{transform:none;max-width:560px;margin-inline:auto;text-align:left}
  .day{grid-template-columns:1fr;gap:10px;text-align:center;padding:26px 0}
  .day p{margin-inline:auto;max-width:34em}
  .day__leave{margin-top:6px}
}
@media (max-width:560px){
  .signup__row{flex-direction:column}
  .signup .btn{width:100%}
  .row{grid-template-columns:62px 1fr;row-gap:8px;padding:13px 16px}
  .row .tag{grid-column:2;justify-self:start}
  .board__top,.board__foot{padding-inline:16px}
  .sheet dl{grid-template-columns:1fr}
  .sheet dt{padding-bottom:0;border-bottom:0}
  .sheet dd{padding-top:2px}
  .sheet dl>:nth-last-child(2){border-bottom:0}
}

/* book page */
.book{padding-block:clamp(28px,5vw,56px) clamp(56px,7vw,88px)}
.book__in{max-width:980px;margin-inline:auto;text-align:center}
.book h1{font-size:clamp(2.3rem,5vw,3.8rem);max-width:14em;margin-inline:auto}
.book__sub{margin:20px auto 0;max-width:40em;font-size:1.1rem;line-height:1.55;color:var(--ink-soft)}
.book__frame{margin-top:36px;background:var(--sheet);border:1.5px solid var(--ink);border-radius:16px;padding:clamp(6px,1.5vw,16px);box-shadow:0 30px 60px -34px rgba(21,33,27,.55),0 2px 0 var(--ink);overflow:hidden}
.book__frame iframe{display:block;border-radius:10px;min-height:420px}
.book__note{margin-top:18px;font-size:.92rem;color:var(--ink-soft)}
.book__note a{color:var(--green-deep);font-weight:600;text-underline-offset:3px}

/* legal pages */
.legal{padding-block:clamp(28px,5vw,56px) clamp(56px,7vw,88px)}
.legal__in{max-width:720px;margin-inline:auto}
.legal h1{font-size:clamp(2.3rem,5vw,3.6rem)}
.legal__date{margin-top:14px;font:500 .82rem var(--mono);color:var(--ink-soft)}
.legal__lede{margin-top:22px;font-size:1.12rem;color:var(--ink-soft)}
.legal h2{font-size:1.45rem;letter-spacing:-.025em;line-height:1.15;margin-top:44px;padding-top:22px;border-top:1.5px solid var(--ink)}
.legal p,.legal ul{margin-top:14px;color:var(--ink-soft)}
.legal ul{padding-left:1.2em}
.legal li{margin-top:8px}
.legal strong{color:var(--ink);font-weight:600}
.legal a{color:var(--green-deep);font-weight:600;text-underline-offset:3px}
.footer__links{margin-top:16px;display:flex;justify-content:center;gap:22px;flex-wrap:wrap;font-size:.93rem}
.footer__links a{color:var(--ink-soft);text-underline-offset:3px}
.footer__links a:hover{color:var(--ink)}
@media (max-width:1000px){.legal h1,.legal__date,.legal__lede{text-align:center}}