:root{
  --paper:#faf7f1;
  --paper-dim:#f2ede3;
  --ink:#1c1c1c;
  --ink-soft:#3a3a38;
  --line:#d8d1c2;
  --gray:#8a8a86;
  --gold:#a9752f;
  --gold-dim:#c79a5c;
  --max:1080px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Source Serif 4','Georgia',serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.wordmark{
  font-family:'Cormorant Garamond','Georgia',serif;
  font-weight:600;
  letter-spacing:.01em;
}
.sans{font-family:'Inter','Helvetica Neue',sans-serif;}
a{color:var(--gold);text-decoration:none;}
a:hover{color:var(--ink);}
img{max-width:100%;display:block;}

.wrap{max-width:var(--max);margin:0 auto;padding:0 28px;}

/* ---- Header ---- */
header.site{
  border-bottom:1px solid var(--line);
  background:var(--paper);
  position:sticky;top:0;z-index:20;
}
header.site .bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;max-width:var(--max);margin:0 auto;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand .mark{
  width:34px;height:44px;overflow:hidden;position:relative;
}
.brand .mark img{
  width:34px;height:auto;position:absolute;top:-1px;left:0;
}
.brand .name{
  font-family:'Cormorant Garamond',serif;
  font-size:1.5rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--ink);
}
nav.primary{display:flex;gap:26px;font-family:'Inter',sans-serif;font-size:.92rem;letter-spacing:.02em;}
nav.primary a{color:var(--ink-soft);}
nav.primary a.active{color:var(--gold);border-bottom:1px solid var(--gold);padding-bottom:2px;}

.menu-toggle{
  display:none;
  background:none;border:none;cursor:pointer;
  width:40px;height:40px;
  padding:8px;
  flex-direction:column;justify-content:center;gap:5px;
}
.menu-toggle span{
  display:block;height:2px;width:100%;background:var(--ink);
  transition:transform .2s ease, opacity .2s ease;
}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.open span:nth-child(2){opacity:0;}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media (max-width:720px){
  .menu-toggle{display:flex;}
  nav.primary{
    position:fixed;top:67px;left:0;right:0;bottom:0;
    background:var(--paper);
    flex-direction:column;
    gap:0;
    padding:8px 0;
    transform:translateY(-8px);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transition:opacity .18s ease, transform .18s ease;
    z-index:19;
  }
  nav.primary.open{
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:translateY(0);
  }
  nav.primary a{
    padding:18px 28px;
    border-bottom:1px solid var(--line);
    font-size:1.05rem;
  }
  nav.primary a.active{border-bottom:1px solid var(--line);}
}

/* ---- Hero ---- */
.hero{
  padding:96px 0 64px;
  text-align:center;
  border-bottom:1px solid var(--line);
}
.hero .mark-big{width:120px;margin:0 auto 28px;}
.hero h1{
  font-size:clamp(2.2rem,5vw,3.4rem);
  margin:0 0 18px;
  color:var(--ink);
}
.hero p.lede{
  font-family:'Inter',sans-serif;
  font-size:1.15rem;
  color:var(--ink-soft);
  max-width:640px;margin:0 auto;
}
.hero .tag{
  font-family:'Inter',sans-serif;
  font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--gold);margin-bottom:16px;display:block;
}

/* ---- Sections ---- */
section{padding:72px 0;}
section.alt{background:var(--paper-dim);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:680px;margin:0 auto 40px;text-align:center;}
.section-head h2{font-size:2rem;margin:0 0 12px;}
.section-head p{font-family:'Inter',sans-serif;color:var(--ink-soft);margin:0;}

/* ---- Ventures grid (Home) ---- */
.ventures{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
}
.venture{
  background:var(--paper);padding:36px 30px;
  display:flex;flex-direction:column;gap:12px;
}
.venture h3{font-size:1.4rem;margin:0;}
.venture p{font-family:'Inter',sans-serif;font-size:.92rem;color:var(--ink-soft);margin:0;flex:1;}
.venture .status{
  font-family:'Inter',sans-serif;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--gray);
}
.venture .status.live{color:var(--gold);}
.venture a.go{font-family:'Inter',sans-serif;font-size:.85rem;}

@media (max-width:820px){
  .ventures{grid-template-columns:1fr;}
}

/* ---- Story block ---- */
.story{max-width:680px;margin:0 auto;}
.story p{margin:0 0 20px;font-size:1.08rem;}
.story .signoff{
  font-family:'Inter',sans-serif;font-size:.85rem;color:var(--gray);
  margin-top:32px;
}

/* ---- Press page ---- */
.book-layout{
  display:grid;grid-template-columns:280px 1fr;gap:56px;align-items:start;
}
.book-cover{
  border:1px solid var(--line);padding:18px;background:#fff;
}
.book-cover img{width:100%;}
.book-meta{font-family:'Inter',sans-serif;}
.book-meta h2{font-family:'Cormorant Garamond',serif;font-size:2.4rem;margin:0 0 4px;}
.book-meta .by{color:var(--gray);margin-bottom:22px;font-size:.95rem;}
.book-meta p{font-size:1rem;color:var(--ink-soft);}
.buy-row{display:flex;gap:14px;margin:26px 0 8px;flex-wrap:wrap;}
.btn{
  font-family:'Inter',sans-serif;font-size:.85rem;letter-spacing:.03em;
  padding:12px 22px;border:1px solid var(--ink);color:var(--ink);
  transition:.15s ease;
}
.btn:hover{background:var(--ink);color:var(--paper);}
.btn.primary{background:var(--gold);border-color:var(--gold);color:#fff;}
.btn.primary:hover{background:var(--ink);border-color:var(--ink);}

.video-wrap{
  position:relative;padding-bottom:56.25%;height:0;overflow:hidden;
  border:1px solid var(--line);margin-top:56px;
}
.video-wrap iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0;}

@media (max-width:760px){
  .book-layout{grid-template-columns:1fr;}
  .book-cover{max-width:240px;margin:0 auto;}
}

/* ---- App page: portrait video beside intro copy ---- */
.app-layout{
  display:grid;grid-template-columns:auto 1fr;gap:48px;align-items:start;
}
/* A 9:16 video's width is always 0.5625x its height, so in a side-by-side
   layout it is height-limited: sizing by column width alone makes it taller
   than the screen. Size it by viewport height instead, but clamp a floor and
   ceiling so it is never unusably small on a short window and never absurdly
   wide on a tall one. The `auto` grid column then shrinks to the video, so
   there is no dead gap between the video and the copy. */
.video-portrait{
  position:relative;
  aspect-ratio:9/16;
  width:clamp(380px, calc(84vh * 0.5625), 560px);
  overflow:hidden;
  border:1px solid var(--line);background:#000;
}
.video-portrait iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0;}
.video-caption{
  font-family:'Inter',sans-serif;font-size:.8rem;color:var(--gray);
  margin:12px 0 0;text-align:center;
}

@media (max-width:900px){
  .app-layout{grid-template-columns:1fr;gap:36px;}
  .video-portrait{width:clamp(300px, 84vw, 440px);margin:0 auto;}
}

/* ---- Coming soon pages ---- */
.coming-soon{
  text-align:center;padding:100px 0;
}
.coming-soon .mark-big{width:100px;margin:0 auto 30px;opacity:.9;}
.coming-soon .tag{
  font-family:'Inter',sans-serif;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);display:block;margin-bottom:18px;
}
.coming-soon h1{font-size:2.6rem;margin:0 0 16px;}
.coming-soon p{font-family:'Inter',sans-serif;color:var(--ink-soft);max-width:560px;margin:0 auto 30px;}
.notify{
  font-family:'Inter',sans-serif;font-size:.9rem;color:var(--gray);
  border-top:1px solid var(--line);padding-top:24px;margin-top:24px;display:inline-block;
}

/* ---- Context / quote block ---- */
.context-block{max-width:680px;margin:0 auto;text-align:left;}
.context-block h2{font-size:1.7rem;margin:0 0 18px;text-align:center;}
.context-block p{margin:0 0 18px;}
.context-block blockquote{
  margin:28px 0;padding:20px 26px;
  border-left:3px solid var(--gold);
  background:var(--paper-dim);
  font-style:italic;color:var(--ink-soft);
}
.context-block blockquote p{margin:0 0 10px;}
.context-block blockquote p:last-child{margin-bottom:0;}
.context-block .attribution{
  font-family:'Inter',sans-serif;font-size:.82rem;color:var(--gray);
  font-style:normal;text-align:right;display:block;margin-top:12px;
}
.context-block .cite-link{color:var(--gold);}

/* ---- Footer ---- */
footer.site{
  border-top:1px solid var(--line);
  padding:40px 0;
  font-family:'Inter',sans-serif;font-size:.82rem;color:var(--gray);
}
footer.site .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;}
footer.site a{color:var(--gray);}
footer.site a:hover{color:var(--ink);}

/* ---- Learning hub ---- */
.learning-hero{
  text-align:center;padding:80px 0 56px;
  border-bottom:1px solid var(--line);
}
.learning-hero .tag{
  font-family:'Inter',sans-serif;font-size:.78rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--gold);display:block;margin-bottom:16px;
}
.learning-hero h1{font-size:clamp(2rem,4.5vw,3rem);margin:0 0 16px;}
.learning-hero p{
  font-family:'Inter',sans-serif;color:var(--ink-soft);
  max-width:620px;margin:0 auto;font-size:1.05rem;
}
.course-cards{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  max-width:var(--max);margin:0 auto;padding:56px 28px;
}
.course-card{
  border:1px solid var(--line);background:var(--paper);
  padding:32px 28px;display:flex;flex-direction:column;gap:14px;
  transition:border-color .15s ease;
}
.course-card:hover{border-color:var(--gold);}
.course-card .num{
  font-family:'Inter',sans-serif;font-size:.72rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--gold);
}
.course-card h3{font-size:1.35rem;margin:0;}
.course-card p{
  font-family:'Inter',sans-serif;font-size:.9rem;color:var(--ink-soft);
  margin:0;flex:1;
}
.course-card .meta{
  font-family:'Inter',sans-serif;font-size:.78rem;color:var(--gray);
  display:flex;justify-content:space-between;align-items:center;
}
.course-card a.go{
  font-family:'Inter',sans-serif;font-size:.85rem;color:var(--gold);
  text-decoration:none;
}
.course-card a.go:hover{color:var(--ink);}
@media (max-width:820px){
  .course-cards{grid-template-columns:1fr;}
}

/* ---- Course page ---- */
.course-header{
  text-align:center;padding:72px 0 48px;
  border-bottom:1px solid var(--line);
}
.course-header .tag{
  font-family:'Inter',sans-serif;font-size:.75rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--gold);display:block;margin-bottom:14px;
}
.course-header h1{font-size:clamp(1.8rem,4vw,2.6rem);margin:0 0 12px;}
.course-header .subtitle{
  font-family:'Inter',sans-serif;color:var(--ink-soft);
  font-size:1.05rem;margin:0 0 8px;
}
.course-header .updated{
  font-family:'Inter',sans-serif;font-size:.78rem;color:var(--gray);
}
.course-body{
  max-width:720px;margin:0 auto;padding:48px 28px 72px;
}
.course-body h2{
  font-size:1.5rem;margin:48px 0 16px;
  padding-bottom:8px;border-bottom:1px solid var(--line);
}
.course-body h2:first-child{margin-top:0;}
.course-body h3{
  font-size:1.2rem;margin:32px 0 12px;
}
.course-body p{margin:0 0 16px;font-size:1.05rem;}
.course-body ul,.course-body ol{
  margin:0 0 16px;padding-left:24px;
}
.course-body li{margin-bottom:8px;}
.course-body strong{font-weight:600;}
.course-body em{font-style:italic;}
.course-body a{color:var(--gold);text-decoration:underline;}
.course-body a:hover{color:var(--ink);}
.course-body hr{
  border:none;border-top:1px solid var(--line);
  margin:40px 0;
}
.course-body blockquote{
  margin:24px 0;padding:16px 22px;
  border-left:3px solid var(--gold);
  background:var(--paper-dim);
  font-style:italic;color:var(--ink-soft);
}
.course-body blockquote p{margin:0 0 8px;font-size:1rem;}
.course-body blockquote p:last-child{margin-bottom:0;}
.course-body .divider{
  text-align:center;color:var(--line);
  font-size:1.4rem;letter-spacing:.3em;
  margin:40px 0;user-select:none;
}
.assignment{
  border:1px solid var(--line);background:var(--paper-dim);
  padding:24px 28px;margin:0 0 20px;
}
.assignment .label{
  font-family:'Inter',sans-serif;font-size:.72rem;
  letter-spacing:.12em;text-transform:uppercase;
  color:var(--gold);display:block;margin-bottom:10px;
}
.assignment p:last-child{margin-bottom:0;}
.tips-box{
  border:1px solid var(--line);background:var(--paper-dim);
  padding:24px 28px;margin:32px 0;
}
.tips-box h3{margin-top:0;}
.tips-box ol{margin-bottom:0;}
@media (max-width:720px){
  .course-body{padding:36px 20px 56px;}
  .course-body h2{font-size:1.3rem;}
}