:root{
  --night:#101a26;
  --night-2:#0b131d;
  --window:#f0a63c;
  --window-soft:#f5c477;
  --paper:#f7f5ef;
  --paper-2:#efece3;
  --ink:#17202b;
  --slate:#5c6775;
  --line:#e0dcd0;
  --line-dark:rgba(240,166,60,.16);
  --max:1120px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Archivo',system-ui,sans-serif;
  font-size:17px;line-height:1.65;
  color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--window);color:var(--night)}
a{color:inherit}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}
@media(max-width:640px){.wrap{padding:0 20px}}

/* ---------- type ---------- */
h1,h2,.display{
  font-family:'Newsreader',serif;
  font-weight:400;line-height:1.08;
  letter-spacing:-.015em;
}
h1{font-size:clamp(42px,6.2vw,76px)}
h2{font-size:clamp(30px,4vw,46px);margin-bottom:28px}
h3{font-family:'Archivo';font-size:18px;font-weight:600;letter-spacing:-.01em}
.mono{font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase}
.eyebrow{display:flex;align-items:center;gap:14px;margin-bottom:34px}
.eyebrow::after{content:"";flex:1;height:1px;background:var(--line)}
.dark .eyebrow::after{background:var(--line-dark)}
.eyebrow span{color:var(--slate)}
.dark .eyebrow span{color:var(--window)}
.lede{font-size:clamp(19px,2.2vw,22px);line-height:1.55;max-width:680px}
p+p{margin-top:1.1em}
em.serif{font-family:'Newsreader',serif;font-style:italic}

/* ---------- nav ---------- */
nav{
  position:sticky;top:0;z-index:50;
  background:rgba(16,26,38,.88);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-dark);
}
.nav-in{max-width:var(--max);margin:0 auto;padding:18px 32px;display:flex;align-items:center;gap:28px}
.brand{font-family:'IBM Plex Mono',monospace;font-size:14px;letter-spacing:.18em;color:var(--paper);text-decoration:none;font-weight:500}
.brand b{color:var(--window);font-weight:500}
.nav-links{display:flex;gap:24px;margin-left:auto}
.nav-links a{font-size:14px;color:rgba(247,245,239,.72);text-decoration:none;transition:color .2s}
.nav-links a:hover{color:var(--window)}
.langs{display:flex;gap:10px;margin-left:20px}
.langs a{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.1em;color:rgba(247,245,239,.45);text-decoration:none;padding:3px 7px;border:1px solid transparent;border-radius:3px}
.langs a.on{color:var(--window);border-color:var(--line-dark)}
@media(max-width:860px){.nav-links{display:none}}
@media(max-width:640px){.nav-in{padding:16px 20px}}

/* ---------- hero ---------- */
.hero{background:var(--night);color:var(--paper);position:relative;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center;padding:96px 0 104px}
.hero .mono.tag{color:var(--window);margin-bottom:26px;display:block}
.hero h1 em{font-style:italic;color:var(--window-soft)}
.hero .lede{margin-top:26px;color:rgba(247,245,239,.82)}
.hero .who{margin-top:34px;font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.06em;line-height:1.9;color:rgba(247,245,239,.55)}
.cta-row{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
.btn{
  display:inline-block;padding:15px 26px;border-radius:4px;
  font-size:15px;font-weight:600;text-decoration:none;
  transition:transform .15s,background .2s,color .2s;
}
.btn:active{transform:translateY(1px)}
.btn-solid{background:var(--window);color:var(--night)}
.btn-solid:hover{background:var(--window-soft)}
.btn-ghost{border:1px solid rgba(247,245,239,.28);color:var(--paper)}
.btn-ghost:hover{border-color:var(--window);color:var(--window)}
.btn-dark{background:var(--night);color:var(--paper)}
.btn-dark:hover{background:#1c2a3a}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--window);outline-offset:3px}

/* signature: facade grid */
.facade{position:relative}
.facade-grid{
  display:grid;grid-template-columns:repeat(9,1fr);gap:9px;
  aspect-ratio:9/11;
}
.win{
  border-radius:2px;background:var(--window);
  transition:opacity 1.6s ease, box-shadow 1.6s ease;
  box-shadow:0 0 12px rgba(240,166,60,.35);
}
.facade-cap{
  margin-top:22px;font-family:'IBM Plex Mono',monospace;
  font-size:12px;letter-spacing:.08em;line-height:1.8;
  color:rgba(247,245,239,.5);
}
.facade-cap b{color:var(--window);font-weight:500}
@media(max-width:860px){
  .hero-in{grid-template-columns:1fr;gap:56px;padding:72px 0 80px}
  .facade{max-width:420px}
}

/* ---------- sections ---------- */
section{padding:104px 0;scroll-margin-top:72px}
section .wrap>p{max-width:720px}
@media(max-width:640px){section{padding:76px 0}}
.dark{background:var(--night);color:var(--paper)}
.dark h2 em{color:var(--window-soft);font-style:italic}
.tint{background:var(--paper-2)}

/* problem stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:44px 0;border-radius:6px;overflow:hidden}
.stat{background:var(--paper);padding:28px 26px}
.stat .n{font-family:'Newsreader',serif;font-size:44px;line-height:1;color:var(--ink)}
.stat .n sup{font-size:22px;color:var(--window);top:-.45em;position:relative;margin-left:2px;letter-spacing:0}
.stat .d{margin-top:10px;font-size:14px;color:var(--slate);line-height:1.5}
.src{
  font-size:14px;color:var(--slate);line-height:1.7;
  border-top:1px solid var(--line);padding-top:16px;max-width:720px;
}
.src a{color:var(--slate);text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px}
.src a:hover{color:var(--ink);text-decoration-color:var(--window)}
@media(max-width:760px){.stats{grid-template-columns:1fr}}

/* switch-off story */
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.pull{
  font-family:'Newsreader',serif;font-style:italic;font-weight:300;
  font-size:clamp(24px,3vw,32px);line-height:1.35;
  color:var(--window-soft);
  border-left:2px solid var(--window);padding-left:26px;margin:40px 0;
}
.lessons{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px}
.lesson{border:1px solid var(--line-dark);border-radius:6px;padding:28px 26px;background:rgba(240,166,60,.03)}
.lesson .mono{color:var(--window);display:block;margin-bottom:14px}
.lesson h3{color:var(--paper);margin-bottom:10px;font-size:17px}
.lesson p{font-size:14.5px;color:rgba(247,245,239,.7);line-height:1.6}
@media(max-width:860px){.story-grid{grid-template-columns:1fr;gap:36px}.lessons{grid-template-columns:1fr}}

/* framework */
.fw-q{
  font-family:'Newsreader',serif;font-size:clamp(21px,2.4vw,26px);
  line-height:1.45;max-width:720px;margin-bottom:1.1em;
}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:52px}
.step{background:#fff;border:1px solid var(--line);border-radius:6px;padding:30px 28px}
.step h3{margin-bottom:12px}
.step h3::before{content:"";display:block;width:34px;height:3px;background:var(--window);margin-bottom:18px;border-radius:2px}
.step p{font-size:15px;color:var(--slate)}
@media(max-width:860px){.steps{grid-template-columns:1fr}}

/* speaking */
.talks{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:48px 0}
.talk{background:#fff;border:1px solid var(--line);border-left:4px solid var(--window);border-radius:6px;padding:32px 30px}
.talk .mono{color:var(--slate);display:block;margin-bottom:16px}
.talk h3{font-family:'Newsreader',serif;font-weight:500;font-size:26px;letter-spacing:-.01em;margin-bottom:12px}
.talk p{font-size:15px;color:var(--slate)}
.formats{font-size:14.5px;color:var(--slate)}
.formats b{color:var(--ink);font-weight:600}
@media(max-width:760px){.talks{grid-template-columns:1fr}}

/* advisory */
.aud{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:start}
.aud-list{list-style:none;margin:28px 0}
.aud-list li{padding:16px 0 16px 34px;border-bottom:1px solid var(--line-dark);position:relative;font-size:15.5px;color:rgba(247,245,239,.85)}
.aud-list li::before{content:"→";position:absolute;left:0;color:var(--window)}
.aud .note{font-size:14px;color:rgba(247,245,239,.55);margin-top:22px}
.aud-side{border:1px solid var(--line-dark);border-radius:6px;padding:34px 32px;background:rgba(240,166,60,.04)}
.aud-side .mono{color:var(--window);display:block;margin-bottom:18px}
.aud-side dl{display:grid;grid-template-columns:auto 1fr;gap:10px 18px;font-size:14.5px}
.aud-side dt{color:rgba(247,245,239,.5)}
.aud-side dd{color:var(--paper)}
.aud-side .btn{margin-top:28px;width:100%;text-align:center}
@media(max-width:860px){.aud{grid-template-columns:1fr;gap:40px}}

/* track record / about */
.about{display:grid;grid-template-columns:300px 1fr;gap:60px;align-items:start}
.portrait{position:relative;z-index:1}
.portrait .frame{position:relative}
.portrait img{display:block;width:100%;height:auto;border-radius:6px}
.portrait .frame::before{
  content:"";position:absolute;right:-12px;bottom:-12px;
  width:70%;height:70%;border:1px solid var(--window);
  border-radius:6px;z-index:-1;
}
.portrait figcaption{
  margin-top:20px;font-family:'IBM Plex Mono',monospace;
  font-size:12px;letter-spacing:.08em;line-height:1.8;color:var(--slate);
}
@media(max-width:860px){
  .about{grid-template-columns:1fr;gap:44px}
  .portrait{max-width:320px}
}
.rec{list-style:none;margin-top:8px}
.rec li{display:grid;grid-template-columns:150px 1fr;gap:28px;padding:26px 0;border-bottom:1px solid var(--line)}
.rec li:first-child{border-top:1px solid var(--line)}
.rec .yr{font-family:'IBM Plex Mono',monospace;font-size:13px;letter-spacing:.08em;color:var(--slate);padding-top:3px}
.rec .tx b{font-weight:600}
.rec .tx{font-size:16px}
@media(max-width:640px){.rec li{grid-template-columns:1fr;gap:6px}}

/* book */
.book{display:grid;grid-template-columns:1fr auto;gap:56px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:8px;padding:48px 52px}
.book h2{font-size:clamp(26px,3vw,36px);margin-bottom:8px}
.book .sub{font-family:'Newsreader',serif;font-style:italic;font-size:19px;color:var(--slate);margin-bottom:18px}
.book p{color:var(--slate);font-size:15.5px;max-width:560px}
.book form{display:flex;gap:10px;margin-top:28px;flex-wrap:wrap}
.book input{
  font-family:'Archivo';font-size:15px;padding:14px 16px;
  border:1px solid var(--line);border-radius:4px;background:var(--paper);min-width:240px;
}
.book input:focus{outline:2px solid var(--window);outline-offset:1px}
/* css book cover */
.cover-wrap{transform:rotate(2.5deg)}
.cover{
  width:230px;aspect-ratio:2/3;border-radius:3px 8px 8px 3px;
  background:linear-gradient(135deg,#16222f 0%,var(--night) 55%,#0b131d 100%);
  color:var(--paper);position:relative;
  box-shadow:12px 18px 40px rgba(16,26,38,.28), 1px 2px 6px rgba(16,26,38,.2);
  padding:26px 22px;display:flex;flex-direction:column;
  border-left:5px solid rgba(240,166,60,.55);
}
.cover .c-tag{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--window)}
.cover .c-title{font-family:'Newsreader',serif;font-size:27px;line-height:1.12;margin-top:16px;letter-spacing:-.01em}
.cover .c-title em{font-style:italic;color:var(--window-soft)}
.cover .c-rule{width:36px;height:2px;background:var(--window);margin:18px 0 auto}
.cover .c-author{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:rgba(247,245,239,.65)}
.cover .c-year{font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:rgba(247,245,239,.4);margin-top:6px}
@media(max-width:860px){
  .book{grid-template-columns:1fr;padding:36px 28px;gap:40px}
  .cover-wrap{transform:rotate(0);justify-self:center}
}

/* contact */
.contact h2{max-width:760px}
.contact .fw-q{color:var(--window-soft);font-style:italic}
.contact-links{display:flex;gap:26px;margin-top:30px;flex-wrap:wrap}
.contact-links a{font-size:14.5px;color:rgba(247,245,239,.7);text-decoration:none;border-bottom:1px solid var(--line-dark);padding-bottom:3px}
.contact-links a:hover{color:var(--window);border-color:var(--window)}

/* footer */
footer{background:var(--night-2);color:rgba(247,245,239,.45);padding:34px 0;font-size:13px}
.foot-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer .mono{font-size:11.5px}

@media(prefers-reduced-motion:reduce){
  .win{transition:none}
  html{scroll-behavior:auto}
}