:root{
  --black:#0a0a0a;
  --white:#ffffff;
  --ink:#0a0a0a;
  --body:#343434;
  --muted:#707070;
  --rule:rgba(0,0,0,.14);
  --rule-dark:rgba(255,255,255,.16);
  --serif:"Iowan Old Style","Source Serif 4","Palatino Linotype",Palatino,Baskerville,Georgia,serif;
  --sans:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  --max:1680px;
  --pad:clamp(20px,4vw,72px);
  --nav-h:78px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 18px)}
body{margin:0;background:var(--black);color:var(--white);font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
button{font:inherit}
p,h1,h2,h3{margin:0}
h1,h2,h3{font-weight:400}
.container{width:min(var(--max),calc(100% - 2*var(--pad)));margin:0 auto}
.display{font-family:var(--serif);letter-spacing:-.045em;line-height:.96;text-wrap:balance}
.label{font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}

.w{background:#fff;color:#0a0a0a;--fg:#0a0a0a;--body:#343434;--muted:#707070;--rule:rgba(0,0,0,.14)}
.b{background:#0a0a0a;color:#fff;--fg:#fff;--body:rgba(255,255,255,.76);--muted:rgba(255,255,255,.52);--rule:rgba(255,255,255,.16)}
.w .label,.w .muted{color:var(--muted)}
.b .label,.b .muted{color:var(--muted)}

/* Navigation */
.nav{
  position:fixed;z-index:50;top:0;left:0;right:0;height:var(--nav-h);
  display:flex;align-items:center;gap:24px;
  padding:0 clamp(20px,4vw,64px);
  background:#0a0a0a;color:#fff;
  box-shadow:0 1px 0 rgba(255,255,255,.08);
  transform:translateY(0);
  transition:transform .34s cubic-bezier(.2,.7,.2,1), box-shadow .25s ease
}
.nav.nav-hidden{transform:translateY(calc(-100% - 2px))}
.brand{font-size:20px;font-weight:750;letter-spacing:.03em;text-transform:uppercase;margin-right:auto;white-space:nowrap}
.brand span{font-weight:400;opacity:.7}
.navlinks{display:flex;gap:clamp(16px,1.7vw,30px);font-size:14px;font-weight:600}
.navlinks a{opacity:.80;padding:6px 0;border-bottom:1px solid transparent;white-space:nowrap}
.navlinks a:hover{opacity:1}
.navlinks a[aria-current]{opacity:1;border-bottom-color:#fff}
.nav-cta{display:inline-flex;align-items:center;gap:22px;padding:14px 19px;background:#fff;color:#0a0a0a;font-size:13px;font-weight:700;white-space:nowrap}
.menu{display:none}
.menu summary{list-style:none;cursor:pointer;font-size:12px;font-weight:700;letter-spacing:.10em;text-transform:uppercase;padding:10px 0}
.menu summary::-webkit-details-marker{display:none}
.menu summary::after{content:"  +"}
.menu[open] summary::after{content:"  −"}
.drop{position:fixed;left:0;right:0;top:var(--nav-h);background:#0a0a0a;padding:8px var(--pad) 28px;display:flex;flex-direction:column;border-top:1px solid rgba(255,255,255,.1)}
.drop a{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:17px;font-weight:500}
.drop .nav-cta{align-self:flex-start;margin-top:22px;border:0;font-size:13px}

/* Shared */
.hero,.section{position:relative}
.section{padding:clamp(96px,12vh,150px) 0}
.rule{border-top:1px solid var(--rule)}
.tlink{
  display:inline-flex;align-items:center;gap:12px;
  margin-top:30px;padding-bottom:10px;
  border-bottom:1px solid currentColor;
  font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase
}
.tlink:hover{gap:18px}
.meta{font-size:12.5px;line-height:1.5;color:var(--muted)}


/* Equal-screen cube system
   Every major content field occupies one viewport on desktop.
   Mobile reverts to natural height so content is never clipped. */
@media (min-width:981px){
  .hero,
  .featured,
  .latest,
  .books{
    height:100svh;
    min-height:100svh;
    display:flex;
    align-items:center;
    overflow:hidden;
  }

  .featured,
  .latest,
  .books{
    padding-top:clamp(76px,9vh,108px);
    padding-bottom:clamp(76px,9vh,108px);
  }

  .featured .container,
  .latest .container,
  .books .container{
    width:min(var(--max),calc(100% - 2*var(--pad)));
  }
}

/* Hero */
.hero{
  min-height:100svh;
  display:flex;align-items:center;
  padding:var(--nav-h) 0 0;
  overflow:hidden;isolation:isolate;background:#0a0a0a
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:url("../img/insights-01.webp?v=1792008362");
  background-size:cover;background-position:center;
  transform:scale(1.01)
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(90deg,rgba(10,10,10,.97) 0%,rgba(10,10,10,.91) 33%,rgba(10,10,10,.58) 67%,rgba(10,10,10,.30) 100%),
    linear-gradient(180deg,rgba(10,10,10,.12),rgba(10,10,10,.36))
}
.hero .label{color:rgba(255,255,255,.50);margin-bottom:clamp(24px,3vh,34px)}
.hero h1{font-size:clamp(60px,min(7.1vw,10vh),122px);max-width:10.5em}
.hero .intro{
  max-width:720px;
  margin-top:clamp(32px,4.6vh,50px);
  font-family:var(--serif);
  font-size:clamp(22px,1.7vw,29px);
  line-height:1.42;
  color:rgba(255,255,255,.76)
}

/* Featured */
.featured{
  overflow:hidden;
  display:flex;
  align-items:center
}
.featured::before{
  content:"";position:absolute;inset:0;z-index:0;background:#fff
}
.featured .container{position:relative;z-index:1}
.featured-grid{
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(280px,.72fr) minmax(0,.92fr);
  gap:clamp(38px,4.6vw,82px);
  align-items:center
}
.featured-art{
  min-height:clamp(360px,48vh,560px);
  width:100%;
  background-image:url("../img/insights-02.webp?v=1792008362");
  background-size:contain;
  background-repeat:no-repeat;
  background-position:center;
  opacity:.68;
  filter:grayscale(1) contrast(1.04);
  pointer-events:none
}
.featured h2{font-size:clamp(58px,min(6.9vw,9.8vh),112px);max-width:7.3em}
.featured-copy{max-width:610px;padding-bottom:4px}
.featured-copy .standfirst{font-size:clamp(20px,1.55vw,25px);line-height:1.46;color:#222}
.featured-copy .meta{margin-top:26px;padding-top:15px;border-top:1px solid rgba(0,0,0,.14)}

/* Latest */
.latest{
  display:flex;
  align-items:center;
  border-top:1px solid rgba(0,0,0,.12)
}
.latest-head{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:clamp(52px,7vw,120px);align-items:start}
.latest h2{font-size:clamp(62px,min(7vw,9.8vh),116px)}
.latest-intro{font-size:clamp(18px,1.25vw,20px);line-height:1.58;color:#555;max-width:650px;margin-top:24px}
.article-list{border-top:1px solid var(--rule)}
.article{
  display:grid;grid-template-columns:minmax(135px,.34fr) minmax(0,1fr) auto;
  gap:clamp(24px,3.5vw,52px);
  padding:clamp(24px,3.2vh,36px) 0;
  border-bottom:1px solid var(--rule);
  align-items:start
}
.article .label{padding-top:8px;color:#777}
.article h3{font-family:var(--serif);font-size:clamp(30px,2.6vw,44px);line-height:1.03;letter-spacing:-.035em}
.article .desc{font-size:clamp(16px,1.05vw,18px);line-height:1.56;color:#555;max-width:720px;margin-top:11px}
.article .arrow{font-size:24px;line-height:1;padding-top:7px}
.latest-actions{display:flex;justify-content:flex-end;margin-top:30px}

/* Books */
.books{
  display:flex;
  align-items:center
}
.books-head{
  display:grid;
  grid-template-columns:minmax(0,.70fr) minmax(0,1.30fr);
  gap:clamp(52px,7vw,120px);
  align-items:end;
  margin-bottom:clamp(30px,4vh,46px)
}
.books h2{font-size:clamp(54px,min(6.2vw,8.8vh),100px);max-width:7.8em}
.books-intro{font-family:var(--serif);font-size:clamp(20px,1.55vw,25px);line-height:1.45;color:rgba(255,255,255,.72);max-width:760px}
.book-row{display:grid;grid-template-columns:1.12fr .94fr .94fr;border-top:1px solid var(--rule-dark);border-bottom:1px solid var(--rule-dark)}
.book{
  padding:clamp(24px,3vh,32px) clamp(24px,2.6vw,38px) clamp(24px,3vh,32px) 0;
  min-height:205px;
  display:flex;
  flex-direction:column
}
.book + .book{border-left:1px solid var(--rule-dark);padding-left:clamp(26px,3vw,44px)}
.book-pillar{
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:rgba(255,255,255,.56);
  margin-bottom:24px
}
.book h3{
  font-family:var(--serif);
  font-size:clamp(30px,2.8vw,46px);
  line-height:1.02;
  letter-spacing:-.035em;
  margin:0 0 16px
}
.book p{
  font-size:clamp(15.5px,1.02vw,17px);
  line-height:1.56;
  color:rgba(255,255,255,.66);
  max-width:470px
}

/* Footer */
footer{background:#0a0a0a;color:rgba(255,255,255,.58);border-top:1px solid rgba(255,255,255,.12);padding:50px 0 32px}
.foot{display:flex;justify-content:space-between;gap:30px;align-items:flex-end;flex-wrap:wrap}
.foot-brand{font-size:24px;font-weight:750;color:#fff;letter-spacing:.02em;text-transform:uppercase}
.foot-brand span{font-weight:400;opacity:.7}
.foot nav{display:flex;gap:20px;flex-wrap:wrap;font-size:12px}
.foot a:hover{color:#fff}


/* Short desktop / laptop fit: preserve equal 100svh cubes without crowding. */
@media (min-width:981px) and (max-height:820px){
  :root{--nav-h:68px}

  .featured,
  .latest,
  .books{
    padding-top:64px;
    padding-bottom:54px;
  }

  .featured h2{font-size:clamp(50px,5.7vw,82px)}
  .featured-art{min-height:300px;max-height:44vh}
  .featured-copy .standfirst{font-size:18px;line-height:1.42}
  .featured-copy .meta{margin-top:18px;padding-top:12px}

  .latest h2{font-size:clamp(52px,5.8vw,84px)}
  .latest-intro{font-size:16px;line-height:1.5;margin-top:18px}
  .article{padding:18px 0}
  .article h3{font-size:clamp(27px,2.25vw,36px)}
  .article .desc{font-size:15px;line-height:1.48;margin-top:8px}
  .latest-actions{margin-top:20px}

  .books h2{font-size:clamp(48px,5.5vw,78px)}
  .books-head{margin-bottom:24px}
  .books-intro{font-size:18px;line-height:1.4}
  .book{min-height:170px;padding-top:20px;padding-bottom:20px}
  .book h3{font-size:clamp(27px,2.35vw,36px);margin:22px 0 12px}
  .book p{font-size:14.5px;line-height:1.48}
}

@media(max-width:1100px){
  .navlinks{display:none}
  .menu{display:block;margin-left:auto}
  .brand{margin-right:0}
  .featured-grid,.latest-head,.books-head{grid-template-columns:1fr}
  .featured-art{min-height:360px;max-width:680px;margin:0 auto}
  .featured::before{background:#fff}
  .article{grid-template-columns:120px 1fr auto}
}
@media(max-width:760px){
  :root{--nav-h:64px}
  .nav>{}
  .nav>.nav-cta{display:none}
  .hero,.featured,.latest,.books{height:auto;min-height:auto;overflow:visible}
  .hero{padding:130px 0 90px}
  .section{padding:78px 0}
  .featured{padding:88px 0}
  .featured-art{min-height:280px;max-width:520px;margin:0 auto}
  .featured::before{background:#fff}
  .featured-grid{gap:34px}
  .article{grid-template-columns:1fr;gap:10px}
  .article .arrow{display:none}
  .latest-actions{justify-content:flex-start}
  .book-row{grid-template-columns:1fr}
  .book{min-height:0;padding:28px 0}
  .book + .book{border-left:0;border-top:1px solid var(--rule-dark);padding-left:0}
}
/* responsive background variants */
@media (max-width:640px){.hero::before{background-image:url("../img/insights-01-w640.webp?v=1792008362")}}
@media (min-width:641px) and (max-width:1200px){.hero::before{background-image:url("../img/insights-01-w1200.webp?v=1792008362")}}
@media (max-width:640px){.featured-art{background-image:url("../img/insights-02-w640.webp?v=1792008362")}}
@media (min-width:641px) and (max-width:1200px){.featured-art{background-image:url("../img/insights-02-w1200.webp?v=1792008362")}}