:root{
  /* Color tokens — Field Journal palette */
  --paper:        oklch(97% 0.005 240);          /* near-neutral off-white, hint of cool */
  --paper-deep:   oklch(94% 0.006 240);          /* one step darker */
  --paper-edge:   oklch(86% 0.008 240);          /* hairlines on paper */
  --ink:          oklch(20% 0.015 240);          /* primary text */
  --ink-soft:     oklch(38% 0.012 240);          /* secondary text */
  --ink-mute:     oklch(43% 0.012 240);          /* tertiary text on paper, AA-safe */
  --ink-blue:     oklch(42% 0.13 245);           /* accent on paper */
  --ink-blue-deep:oklch(30% 0.13 245);           /* hover */
  --ink-blue-light:oklch(72% 0.10 245);          /* accent on dark ink (cta-band, footer) */
  --rust:         oklch(58% 0.13 35);            /* errors only, never brand */

  /* Type families */
  --serif: 'Source Serif 4', 'Source Serif Pro', Georgia, serif;
  --sans:  'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:  'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;

  /* Easing & timing */
  --t-fast:180ms ease-out;
  --t-med: 320ms cubic-bezier(.22,.94,.32,1.05);
  --t-slow:650ms cubic-bezier(.22,.94,.32,1.05);

  /* Layout */
  --maxw: 1180px;
  --pad: clamp(20px,5vw,64px);
  --rail-gap: clamp(24px,4vw,60px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--sans);
  color:var(--ink); background:var(--paper);
  line-height:1.55;-webkit-font-smoothing:antialiased;font-weight:400;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}

.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

/* ---------- Typography ---------- */
h1,h2,h3,.h1,.h2,.h3{
  font-family:var(--serif);
  font-weight:300;letter-spacing:-.012em;line-height:1.05;
  font-feature-settings:"onum";
}
.h1{font-size:clamp(46px,7vw,88px);font-weight:200;letter-spacing:-.025em;line-height:.98;text-wrap:balance}
.h2{font-size:clamp(34px,4vw,52px);font-weight:300;letter-spacing:-.018em;text-wrap:balance}
.h3{font-size:clamp(22px,2.2vw,30px);font-weight:400;letter-spacing:-.01em}
.lead{
  font-family:var(--sans);font-size:clamp(16px,1.4vw,19px);
  color:var(--ink-soft);font-weight:400;line-height:1.6;
  text-wrap:pretty;max-width:56ch;
}

/* Kicker — replaces the copper eyebrow bar pattern */
.kicker{
  font-family:var(--mono);font-size:11px;font-weight:500;
  letter-spacing:.12em;text-transform:uppercase;color:var(--ink-blue);
  font-feature-settings:"lnum";
}
.kicker .num{color:var(--ink-mute);margin-right:14px}

/* Mono numerics */
.measure,.measure *{font-family:var(--mono);font-feature-settings:"tnum";letter-spacing:0}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;border-radius:0;
  padding:16px 28px;font-family:var(--sans);font-size:14px;
  font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  border:1px solid var(--ink);transition:background var(--t-fast),color var(--t-fast),border-color var(--t-fast);
  white-space:nowrap;min-height:48px;
}
.btn .arr{transition:transform var(--t-fast)}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--ink-blue-deep);border-color:var(--ink-blue-deep)}
.btn-ghost-light{background:transparent;color:var(--paper);border-color:oklch(97% 0.005 240 / .5)}
.btn-ghost-light:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}

/* ---------- Topbar / Header ---------- */
.topbar{
  background:var(--ink);color:var(--paper);
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;text-align:center;padding:10px var(--pad);font-weight:500;
}
.topbar .dot{display:inline-block;width:4px;height:4px;background:var(--ink-blue);margin:0 12px 1px;vertical-align:middle}
header{
  position:sticky;top:0;z-index:50;
  background:oklch(97% 0.005 240 / .92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--paper-edge);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand img{height:42px;width:auto;display:block}
.nav-links{display:flex;gap:36px;align-items:center}
.nav-links a{
  font-size:14px;color:var(--ink-soft);font-weight:500;
  position:relative;padding:4px 0;
  transition:color var(--t-med);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--ink-blue);
  transform:scaleX(0);transform-origin:left center;
  transition:transform var(--t-med);
}
.nav-links a:hover,.nav-links a.is-active{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:22px}
.nav-cta{
  font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid var(--ink);white-space:nowrap;
  padding:12px 22px;background:var(--ink);color:var(--paper);
  transition:background var(--t-fast);
}
.nav-cta:hover{background:var(--ink-blue-deep)}
.burger{
  display:none;flex-direction:column;gap:5px;
  background:none;border:none;padding:6px;
  min-width:44px;min-height:44px;align-items:center;justify-content:center;
}
.burger span{width:22px;height:1.5px;background:var(--ink);display:block;transition:transform var(--t-fast),opacity var(--t-fast);transform-origin:center}
.burger[aria-expanded="true"]{position:relative;z-index:61}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ---------- Mobile menu sheet ---------- */
.mobile-menu{
  position:fixed;inset:0;z-index:60;
  background:oklch(97% 0.005 240 / .985);backdrop-filter:blur(8px);
  opacity:0;visibility:hidden;
  transition:opacity 280ms cubic-bezier(.22,.94,.32,1.05),visibility 0s linear 280ms;
}
.mobile-menu.open{opacity:1;visibility:visible;transition:opacity 280ms cubic-bezier(.22,.94,.32,1.05)}
.mobile-menu[hidden]{display:none}
.mobile-menu-inner{
  position:absolute;inset:0;
  display:flex;flex-direction:column;align-items:flex-start;justify-content:center;
  gap:18px;padding:80px var(--pad) 40px;
  transform:translateY(-14px);transition:transform 320ms cubic-bezier(.22,.94,.32,1.05);
}
.mobile-menu.open .mobile-menu-inner{transform:translateY(0)}
.mobile-menu-inner a{
  font-family:var(--serif);
  font-size:clamp(30px,7.5vw,44px);font-weight:300;color:var(--ink);
  letter-spacing:-.022em;line-height:1.05;padding:6px 0;
  min-height:44px;display:inline-flex;align-items:center;
}
.mobile-menu-sep{display:block;width:100%;margin-top:14px;padding-top:14px;border-top:1px solid var(--paper-edge)}
.mobile-menu-inner a.mobile-menu-secondary{
  font-family:var(--mono);font-size:12px;font-weight:500;color:var(--ink-soft);
  text-transform:uppercase;letter-spacing:.12em;line-height:1;min-height:44px;
}
.mobile-menu-cta{
  margin-top:18px;
  display:inline-flex!important;align-items:center!important;justify-content:center!important;gap:10px;
  padding:18px 32px!important;background:var(--ink);color:var(--paper)!important;
  font-family:var(--mono)!important;font-size:12px!important;font-weight:500!important;
  letter-spacing:.12em!important;text-transform:uppercase!important;
  min-height:52px;align-self:stretch;width:100%;
}

/* ---------- Hero — typography first, photo secondary ---------- */
.hero{
  position:relative;
  padding:clamp(72px,11vw,140px) 0 clamp(60px,8vw,110px);
  background:var(--paper);
  border-bottom:1px solid var(--paper-edge);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,0.85fr);
  gap:clamp(28px,5vw,80px);
  align-items:center;
}
/* .hero-copy width is governed by the grid column (1.15fr).
   Individual children (.h1 via text-wrap:balance, .hero-sub max-width:36ch,
   .waitlist max-width:480px, .waitlist.done max-width:560px) handle their own widths. */
.hero-kicker{
  font-family:var(--mono);font-size:11px;font-weight:500;
  letter-spacing:.12em;text-transform:uppercase;color:var(--ink-blue);
  display:flex;align-items:center;gap:14px;
}
.hero-kicker::before{content:"";width:24px;height:1px;background:var(--ink-blue)}
.hero .h1{color:var(--ink);margin:26px 0 28px;font-feature-settings:"onum"}
.hero-sub{
  font-family:var(--sans);color:var(--ink-soft);
  font-size:clamp(16px,1.45vw,19px);line-height:1.55;max-width:36ch;
}
.hero-media-frame{
  position:relative;aspect-ratio:4 / 5;
  background:var(--paper-deep);overflow:hidden;
}
.hero-media-frame img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:50% 50%;
}
/* ---------- Waitlist form (paper context) ---------- */
.waitlist{margin-top:clamp(28px,4vw,40px);max-width:480px}
.wl-row{display:flex;gap:0;border:1px solid var(--ink);background:var(--paper)}
.wl-row input{
  flex:1;background:transparent;border:none;outline:none;
  color:var(--ink);font-family:var(--sans);
  font-size:15px;padding:17px 18px;caret-color:var(--ink-blue);
}
.wl-row input::placeholder{color:var(--ink-mute)}
.wl-row button{
  background:var(--ink);color:var(--paper);border:none;
  padding:0 24px;font-family:var(--mono);font-weight:500;
  font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  display:flex;align-items:center;gap:8px;transition:background var(--t-fast);
}
.wl-row button:hover{background:var(--ink-blue-deep)}
.wl-row button .arr{transition:transform var(--t-fast)}
.wl-row button:hover .arr{transform:translateX(4px)}
.wl-note{
  margin-top:14px;font-family:var(--mono);font-size:11px;
  color:var(--ink-mute);letter-spacing:.06em;text-transform:uppercase;
}
.wl-success{
  display:none;flex-direction:column;align-items:stretch;gap:18px;
  border:1px solid var(--ink);background:var(--paper);
  padding:clamp(26px,3.5vw,40px);color:var(--ink);
  position:relative;
  transition:transform 320ms cubic-bezier(.22,.94,.32,1.05),opacity 320ms cubic-bezier(.22,.94,.32,1.05);
}
@media(prefers-reduced-motion: reduce){
  .wl-success{transition:none}
}
.wl-success .tick{
  width:20px;height:20px;border:1px solid var(--ink-blue);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;color:var(--ink-blue);
}
.wl-success-tag{
  font-family:var(--mono);font-size:11px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;color:var(--ink-blue);
}
.wl-success-h{
  font-family:var(--serif);font-size:clamp(28px,4vw,44px);
  font-weight:200;letter-spacing:-.022em;line-height:1.05;
  color:var(--ink);margin:0;
  font-feature-settings:"onum","tnum";
}
.wl-success-meta{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  padding:18px 0;
  border-top:1px solid var(--paper-edge);border-bottom:1px solid var(--paper-edge);
}
.wl-success-meta dt{
  font-family:var(--mono);font-size:11px;font-weight:500;
  letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);
  margin-bottom:6px;
}
.wl-success-meta dd{
  font-family:var(--serif);font-feature-settings:"onum","tnum";
  font-size:clamp(20px,2.4vw,30px);font-weight:300;color:var(--ink);
  letter-spacing:-.01em;line-height:1;
}
.wl-success-pos{
  font-family:var(--mono);font-feature-settings:"tnum";
  color:var(--ink-blue);font-weight:500;letter-spacing:0;
}
.wl-success-steps{
  list-style:none;margin:0;padding:0;
}
.wl-success-steps li{
  display:grid;grid-template-columns:32px 1fr;
  gap:16px;padding:14px 0;
  border-bottom:1px solid var(--paper-edge);
  font-family:var(--sans);font-size:15px;
  color:var(--ink-soft);line-height:1.55;
  align-items:baseline;
}
.wl-success-steps li:last-child{border-bottom:none;padding-bottom:0}
.wl-success-step-n{
  font-family:var(--mono);font-feature-settings:"tnum";
  font-size:11px;font-weight:500;
  letter-spacing:.08em;color:var(--ink-blue);
}
.wl-success-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  border-top:1px solid var(--paper-edge);padding-top:14px;
}
.wl-success-email{
  flex:1 1 auto;min-width:0;
  font-family:var(--mono);font-size:11px;
  color:var(--ink-mute);letter-spacing:.02em;
  word-break:break-all;
}
.wl-reset{
  background:transparent;border:none;color:var(--ink-soft);
  font-family:var(--sans);font-size:13px;font-weight:500;letter-spacing:.01em;
  text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;
  padding:10px 0;cursor:pointer;transition:color var(--t-fast);
  min-height:44px;display:inline-flex;align-items:center;flex:0 0 auto;
}
.wl-reset:hover{color:var(--ink-blue)}
.wl-reset:focus-visible{outline:1px solid var(--ink-blue);outline-offset:4px}
.waitlist.done .wl-row,.waitlist.done .wl-note,.waitlist.done .wl-error{display:none}
.waitlist.done .wl-success{display:flex}
.waitlist.done{max-width:560px}
.wl-row button[disabled]{opacity:.55;cursor:wait}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}
.wl-error{
  display:none;margin-top:14px;
  font-family:var(--mono);font-size:12px;color:var(--rust);letter-spacing:.02em;
}
.wl-error.show{display:block}

/* ---------- Essay sections (replaces feature card grid) ---------- */
section.essay{
  padding-top:clamp(56px,8vw,112px);
  padding-bottom:clamp(56px,8vw,112px);
  border-bottom:1px solid var(--paper-edge);
}
.essay-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,2.4fr);
  gap:var(--rail-gap);align-items:start;
}
.essay-rail{
  position:sticky;top:100px;
}
.essay-rail .kicker{display:block;line-height:1.4}
.essay-rail .num{display:block;color:var(--ink-mute);margin-bottom:8px;margin-right:0}
.essay-body{max-width:62ch}
.essay-body .h2{margin-bottom:22px}
.essay-body p{
  font-family:var(--sans);font-size:clamp(16px,1.35vw,19px);
  color:var(--ink-soft);line-height:1.7;
  margin-bottom:20px;max-width:56ch;text-wrap:pretty;
}
.essay-body figure{
  margin:clamp(28px,4vw,44px) 0 0;
  background:var(--paper-deep);
  aspect-ratio:16 / 10;position:relative;overflow:hidden;
}
.essay-body figure img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.essay-body figcaption{
  margin-top:14px;font-family:var(--mono);font-size:11px;
  color:var(--ink-mute);letter-spacing:.04em;text-transform:uppercase;
}
.essay-body .signature{
  margin-top:36px;display:flex;flex-direction:column;gap:8px;
  font-family:var(--serif);font-style:italic;font-weight:300;
  font-size:clamp(22px,2.6vw,30px);color:var(--ink);
  letter-spacing:-.012em;line-height:1.1;
}
.essay-body .signature .signature-role{
  font-family:var(--mono);font-style:normal;font-weight:500;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-mute);
}

/* ---------- Material / detail (the ring itself) ---------- */
.material{
  background:var(--paper-deep);
  border-top:1px solid var(--paper-edge);border-bottom:1px solid var(--paper-edge);
  padding:clamp(80px,11vw,140px) 0;
}
.material-grid{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,0.95fr);
  gap:clamp(40px,5vw,80px);align-items:center;
}
.material-media{
  position:relative;aspect-ratio:4 / 5;overflow:hidden;background:var(--paper);
}
.material-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.material-copy .kicker{display:block;margin-bottom:18px}
.material-copy .h2{margin-bottom:22px}
.material-copy .lead{margin-bottom:0}

.spec-list{
  margin-top:36px;border-top:1px solid var(--ink);
}
.spec-list .row{
  display:grid;grid-template-columns:22ch 1fr auto;
  gap:20px;padding:16px 0;
  border-bottom:1px solid var(--paper-edge);
  align-items:baseline;
}
.spec-list .row .k{
  font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em;
  font-size:11px;color:var(--ink-mute);font-weight:500;
}
.spec-list .row .v{
  font-family:var(--serif);font-feature-settings:"onum","tnum";
  font-weight:400;color:var(--ink);font-size:17px;
}
.spec-list .row .n{
  font-family:var(--mono);font-feature-settings:"tnum";
  font-size:12px;color:var(--ink-blue);letter-spacing:.04em;text-align:right;
}

/* ---------- CTA band — invitation moment ---------- */
.cta-band{
  background:var(--ink);color:var(--paper);
  position:relative;overflow:hidden;
}
.cta-band .wrap{position:relative;z-index:2;padding-top:clamp(90px,12vw,160px);padding-bottom:clamp(90px,12vw,160px)}
.cta-band .kicker{color:var(--ink-blue);margin-bottom:20px;display:block}
.cta-band .h2{color:var(--paper);max-width:18ch;margin-bottom:22px}
.cta-band .lead{color:oklch(97% 0.005 240 / .7);margin-bottom:0;max-width:52ch}
.cta-band .waitlist{margin-top:36px}
.cta-band .wl-row{border-color:oklch(97% 0.005 240 / .35);background:oklch(97% 0.005 240 / .04)}
.cta-band .wl-row input{color:var(--paper);caret-color:var(--ink-blue)}
.cta-band .wl-row input::placeholder{color:oklch(97% 0.005 240 / .5)}
.cta-band .wl-row button{background:var(--paper);color:var(--ink)}
.cta-band .wl-row button:hover{background:var(--ink-blue);color:var(--paper)}
.cta-band .kicker{color:var(--ink-blue-light)}
.cta-band .wl-success{background:oklch(97% 0.005 240 / .05);border-color:oklch(97% 0.005 240 / .35);color:var(--paper)}
.cta-band .wl-success-tag{color:var(--ink-blue-light)}
.cta-band .wl-success-h{color:var(--paper)}
.cta-band .wl-success-meta{border-top-color:oklch(97% 0.005 240 / .18);border-bottom-color:oklch(97% 0.005 240 / .18)}
.cta-band .wl-success-meta dt{color:oklch(97% 0.005 240 / .72)}
.cta-band .wl-success-meta dd{color:var(--paper)}
.cta-band .wl-success-pos{color:var(--ink-blue-light)}
.cta-band .wl-success-steps li{border-bottom-color:oklch(97% 0.005 240 / .18);color:oklch(97% 0.005 240 / .82)}
.cta-band .wl-success-step-n{color:var(--ink-blue-light)}
.cta-band .wl-success-foot{border-top-color:oklch(97% 0.005 240 / .18)}
.cta-band .wl-success-email{color:oklch(97% 0.005 240 / .72)}
.cta-band .wl-reset{color:oklch(97% 0.005 240 / .75)}
.cta-band .wl-reset:hover{color:var(--ink-blue-light)}
.cta-band .wl-note{color:oklch(97% 0.005 240 / .72)}

/* ---------- FAQ ---------- */
.faq-wrap{padding:clamp(90px,12vw,160px) 0;background:var(--paper)}
.faq-head{max-width:720px;margin:0 auto clamp(40px,6vw,60px);text-align:center}
.faq-head .kicker{display:inline-block;margin-bottom:18px}
.faq{max-width:880px;margin:0 auto}
.faq .item{border-top:1px solid var(--paper-edge)}
.faq .item:last-child{border-bottom:1px solid var(--paper-edge)}
.faq .q{
  width:100%;background:none;border:none;
  display:flex;justify-content:space-between;align-items:center;gap:24px;
  padding:28px 4px;text-align:left;
  font-family:var(--serif);font-size:clamp(19px,1.9vw,24px);
  font-weight:400;color:var(--ink);letter-spacing:-.005em;
}
.faq .chev{flex:0 0 auto;width:18px;height:18px;position:relative;transition:transform var(--t-med)}
.faq .chev::before,.faq .chev::after{content:"";position:absolute;top:50%;left:50%;background:var(--ink);transition:opacity var(--t-med)}
.faq .chev::before{width:18px;height:1.5px;transform:translate(-50%,-50%)}
.faq .chev::after{width:1.5px;height:18px;transform:translate(-50%,-50%)}
.faq .item.open .chev::after{opacity:0}
.faq .a{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--t-med)}
.faq .a > *{overflow:hidden;min-height:0}
.faq .item.open .a{grid-template-rows:1fr}
.faq .a p{
  padding:0 4px 28px;
  font-family:var(--sans);font-size:16px;
  color:var(--ink-soft);line-height:1.7;max-width:64ch;
}

/* ---------- Prose (Privacy, Terms, About body) ---------- */
.prose-wrap{padding:clamp(50px,7vw,90px) 0 clamp(80px,11vw,140px)}
.prose{max-width:680px;margin:0 auto;color:var(--ink-soft)}
.prose .meta{
  font-family:var(--mono);font-size:11px;color:var(--ink-blue);
  letter-spacing:.1em;text-transform:uppercase;margin-bottom:18px;
}
.prose h1{
  font-family:var(--serif);font-size:clamp(38px,5.2vw,56px);
  font-weight:300;letter-spacing:-.022em;line-height:1.05;
  margin-bottom:24px;color:var(--ink);
}
.prose .intro{
  font-family:var(--sans);font-size:clamp(17px,1.6vw,20px);
  color:var(--ink-soft);line-height:1.55;
  margin-bottom:clamp(40px,5vw,60px);text-wrap:pretty;
}
.prose h2{
  font-family:var(--serif);font-size:24px;font-weight:400;
  color:var(--ink);margin:44px 0 14px;letter-spacing:-.01em;
}
.prose h3{
  font-family:var(--sans);font-size:15px;font-weight:600;
  color:var(--ink);margin:28px 0 10px;
  letter-spacing:.02em;text-transform:uppercase;
}
.prose p{font-size:16px;line-height:1.7;margin-bottom:14px}
.prose ul,.prose ol{padding-left:1.3em;margin:6px 0 14px}
.prose li{font-size:16px;line-height:1.7;margin-bottom:6px}
.prose a:not(.btn){
  color:var(--ink-blue);text-decoration:underline;text-underline-offset:3px;
  text-decoration-thickness:1px;transition:color var(--t-fast);
}
.prose a:not(.btn):hover{color:var(--ink-blue-deep)}
.prose strong{font-weight:600;color:var(--ink)}
.prose hr{border:none;border-top:1px solid var(--paper-edge);margin:42px 0}
.prose code{
  font-family:var(--mono);font-size:13px;background:var(--paper-deep);
  padding:2px 6px;color:var(--ink);
}

/* ---------- Sub-hero (inner pages) ---------- */
.subhero{padding:clamp(72px,10vw,130px) 0 clamp(40px,6vw,72px);border-bottom:1px solid var(--paper-edge)}
.subhero .h1{margin:24px 0 18px;max-width:18ch;color:var(--ink)}
.subhero .lead{max-width:52ch}
.subhero .kicker{display:inline-flex;align-items:center;gap:14px}
.subhero .kicker::before{content:"";width:24px;height:1px;background:var(--ink-blue)}

/* ---------- Footer ---------- */
footer{background:var(--ink);color:oklch(97% 0.005 240 / .78);padding-top:clamp(64px,8vw,96px);padding-bottom:40px}
.foot-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:56px;border-bottom:1px solid oklch(97% 0.005 240 / .18);
}
.foot-brand img{height:56px;margin-bottom:24px}
.foot-brand p{
  font-family:var(--sans);font-size:14px;
  color:oklch(97% 0.005 240 / .78);line-height:1.6;max-width:34ch;
}
.foot-col h3{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:oklch(97% 0.005 240 / .72);margin-bottom:18px;font-weight:500;
}
.foot-col a{
  display:block;font-family:var(--sans);font-size:14px;
  color:oklch(97% 0.005 240 / .82);padding:7px 0;transition:color var(--t-fast);
}
.foot-col a:hover{color:var(--paper)}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:26px;
  font-family:var(--mono);font-size:11px;
  color:oklch(97% 0.005 240 / .72);letter-spacing:.06em;flex-wrap:wrap;
}
.foot-bottom .site{color:var(--ink-blue-light);letter-spacing:.08em}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity var(--t-slow),transform var(--t-slow)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:clamp(36px,5vw,56px)}
  .hero-media-frame{aspect-ratio:4 / 3}
  .hero-copy{max-width:none}
  .material-grid{grid-template-columns:1fr}
  .material-media{order:-1;aspect-ratio:4 / 3}
  .essay-grid{grid-template-columns:1fr;gap:clamp(18px,3vw,28px)}
  .essay-rail{position:static}
}
@media(max-width:760px){
  .nav-links,.nav-right .nav-cta{display:none}
  .burger{display:flex}
  .brand img{height:34px}
  .foot-brand img{height:46px}
  .foot-top{grid-template-columns:1fr 1fr;gap:32px 24px}
  .foot-brand{grid-column:1 / -1}
  .spec-list .row{grid-template-columns:1fr;gap:6px;padding:18px 0}
  .spec-list .row .n{text-align:left}
}
@media(max-width:460px){
  .wl-row{flex-direction:column}
  .wl-row input{padding:18px}
  .wl-row button{padding:18px;justify-content:center;font-size:13px;min-height:52px}
  .wl-success-meta{grid-template-columns:1fr;gap:16px}
}