/* TurtleTrader — shared base. Colors and type from the 2000 identity guide (BlackDog):
   four signature colors, each always paired with black; logotype voice = Akzidenz Grotesk
   Bold Extended (web stand-in: Archivo at its widest, 125%). */
:root{
  --black:#000; --text:#1A1A1A; --muted:#5C5C5C; --rule:#E2E2E2; --soft:#F4F4F2;
  --red:#FF6600; --blue:#33CCCC; --green:#99CC00; --yellow:#FFCC00;
  --accent:var(--red);
  --gutter:clamp(16px,4vw,48px); --max:1240px;
  --display:'Archivo',system-ui,sans-serif;
  --body:'Archivo',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--text);font:400 18px/1.65 var(--body);font-stretch:100%;-webkit-font-smoothing:antialiased}
a{color:var(--black);text-decoration-thickness:1.5px;text-underline-offset:3px}
a:hover{color:var(--black);text-decoration-color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
img{max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
[data-sec="red"]{--sec:var(--red)}[data-sec="blue"]{--sec:var(--blue)}[data-sec="green"]{--sec:var(--green)}[data-sec="yellow"]{--sec:var(--yellow)}

/* The logotype voice: wide, bold, uppercase, letterspaced */
.ext{font-family:var(--display);font-stretch:125%;font-weight:800;text-transform:uppercase;letter-spacing:.14em}

/* Header */
.site-header{border-bottom:2px solid var(--black)}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 36px;padding-top:26px;padding-bottom:26px}
.signature{display:block;line-height:0;padding:6px 0}
.signature svg{display:block;height:auto}
.site-nav{display:flex;flex-wrap:wrap;align-items:center;gap:2px 22px;font:700 12px/1.3 var(--display);font-stretch:125%;text-transform:uppercase;letter-spacing:.12em}
.site-nav a{color:var(--black);text-decoration:none;padding:12px 0}
.site-nav a:hover{box-shadow:inset 0 -3px 0 var(--accent)}
.search-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px}

/* Buttons & forms */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 26px;border:0;background:var(--black);color:#fff;font:800 13px var(--display);font-stretch:125%;text-transform:uppercase;letter-spacing:.12em;text-decoration:none;cursor:pointer}
.btn:hover{background:#262626;color:#fff}
.signup{display:flex;flex-wrap:wrap;gap:10px;max-width:620px}
.signup input{flex:1 1 240px;min-height:52px;padding:0 16px;border:2px solid var(--black);font:400 17px var(--body);background:#fff}

/* Article page (the one subpage design every page uses) */
.page-head{border-bottom:2px solid var(--black)}
.page-head .wrap{padding-top:clamp(40px,5vw,72px);padding-bottom:clamp(32px,4vw,56px)}
.kicker{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;margin:0;font:800 12px/1.4 var(--display);font-stretch:125%;text-transform:uppercase;letter-spacing:.14em}
.kicker a{text-decoration:none}
.kicker .meta{color:var(--muted);font-weight:600}
.page-head h1{margin:18px 0 0;max-width:1000px;font:800 clamp(34px,4.6vw,62px)/1.04 var(--display);font-stretch:112%;letter-spacing:-.01em;color:var(--black)}
.page-head .dek{margin:20px 0 0;max-width:760px;font-size:21px;line-height:1.5;color:var(--text)}
.layout{display:flex;flex-wrap:wrap;gap:56px 80px;align-items:flex-start;padding-top:clamp(40px,5vw,64px);padding-bottom:88px}
.article{flex:999 1 560px;min-width:0;max-width:740px}
.prose{font-size:19px;line-height:1.72}
.prose h2{margin:52px 0 0;font:800 15px/1.4 var(--display);font-stretch:125%;text-transform:uppercase;letter-spacing:.12em;color:var(--black)}
.prose p{margin:16px 0 0}
.prose blockquote{margin:14px 0 0;font-size:22px;line-height:1.55;font-weight:500;color:var(--black)}
.prose blockquote p{margin:0}
.prose .lede{margin:0;font-size:22px;line-height:1.55;color:var(--black)}
.faq{margin-top:56px;border-top:2px solid var(--black)}
.faq > h2{margin:24px 0 8px}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;padding:18px 0;font:700 18px/1.4 var(--body);color:var(--black)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:800 24px/1 var(--display)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 20px}
.cta-box{margin-top:48px;padding:28px;background:var(--soft);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.cta-box p{margin:0;font-weight:600;color:var(--black)}
.related{border-top:2px solid var(--black)}
.related .wrap{padding-top:44px;padding-bottom:72px}
.related h2{margin:0 0 20px;font:800 12px/1.4 var(--display);font-stretch:125%;text-transform:uppercase;letter-spacing:.14em}
.related ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.related a{display:block;height:100%;padding:22px 0 0;border-top:4px solid var(--sec,var(--black));font:800 20px/1.25 var(--display);text-decoration:none}

/* Sidebar */
.sidebar{flex:1 1 300px;min-width:0;display:flex;flex-direction:column;gap:36px;font-size:16px;line-height:1.6}
.widget h2{margin:0 0 12px;font:800 12px/1.4 var(--display);font-stretch:125%;text-transform:uppercase;letter-spacing:.14em;color:var(--black)}
.widget p{margin:0}
.widget-video{padding:28px;background:var(--black);color:#fff}
.widget-video h2{color:#fff;font-size:20px;letter-spacing:.08em;line-height:1.2}
.widget-video p{color:#D6D6D6}
.widget-video a{color:#fff}
.widget-video form{margin-top:18px;display:flex;flex-direction:column;gap:8px}
.widget-video label{font-size:13px;color:#BDBDBD}
.widget-video input{min-height:48px;padding:0 14px;border:0;font:400 16px var(--body)}
.widget-video .btn{background:var(--accent);color:var(--black)}
.books{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.books img{display:block;width:100%;aspect-ratio:4/5;object-fit:cover;box-shadow:0 4px 10px rgba(0,0,0,.15)}
.pod{display:flex;gap:14px;align-items:flex-start}
.pod img{width:76px;flex:none}

/* Join + footer */
.join{background:var(--accent)}
.join .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;padding-top:48px;padding-bottom:48px}
.join h2{margin:0;font:800 clamp(22px,2.6vw,32px)/1.1 var(--display);font-stretch:125%;text-transform:uppercase;letter-spacing:.1em;color:var(--black)}
.site-footer{background:var(--black);color:#BDBDBD;font-size:15px}
.footer-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:36px;padding-top:64px}
.footer-cols h2{margin:0 0 14px;padding-top:12px;border-top:3px solid var(--sec,var(--accent));font:800 12px/1.4 var(--display);font-stretch:125%;text-transform:uppercase;letter-spacing:.14em;color:#fff}
.footer-cols a{display:block;padding:3px 0;color:#BDBDBD;text-decoration:none}
.footer-cols a:hover{color:#fff}
.footer-sig{padding-top:56px}
.footer-sig svg{display:block;width:340px;max-width:100%;height:auto}
.legal{margin-top:28px;padding:20px 0;border-top:1px solid #333;font-size:13px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px}
.legal a{color:#BDBDBD}
.disclaimer{padding-bottom:40px;font-size:12px;line-height:1.55;color:#8A8A8A}
.disclaimer summary{cursor:pointer;color:#BDBDBD;font-size:13px}

/* 1 · Signature system — black, white, generous space, one color (red), the logotype's voice */
.t1 .signature svg{width:300px}
.t1 .s1-eyebrow{margin:0;font-size:12px;color:var(--muted)}
.t1 .s1-hero .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,460px),1fr));gap:48px 64px;align-items:center;padding-top:clamp(56px,7vw,104px);padding-bottom:clamp(56px,7vw,96px)}
.t1 .s1-h1{margin:18px 0 0;font:900 clamp(48px,6.6vw,96px)/.92 var(--display);font-stretch:125%;text-transform:uppercase;letter-spacing:-.01em;color:var(--black)}
.t1 .s1-lede{margin:28px 0 32px;max-width:600px;font-size:20px;line-height:1.55}
.t1 .s1-clip{margin:0}
.t1 .s1-clip img{display:block;width:100%;aspect-ratio:4/5;object-fit:cover;object-position:22% 30%;filter:grayscale(1) contrast(1.05)}
.t1 .s1-clip figcaption{margin-top:10px;font-size:14px;color:var(--muted);border-top:4px solid var(--red);padding-top:10px}
.t1 .s1-facts{border-top:2px solid var(--black);border-bottom:2px solid var(--black)}
.t1 .s1-facts .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));column-gap:24px}
.t1 .s1-facts div{padding:30px 0}
.t1 .s1-facts b{display:block;font:900 clamp(40px,4vw,60px)/1 var(--display);font-stretch:125%;color:var(--black)}
.t1 .s1-facts span{display:block;margin-top:10px;font-size:11px;color:var(--muted)}
.t1 .s1-section-label{margin:0 0 28px;font-size:13px}
.t1 .s1-parts .wrap{padding-top:clamp(72px,8vw,112px);padding-bottom:clamp(40px,5vw,64px)}
.t1 .s1-parts ol{list-style:none;margin:0;padding:0;border-top:2px solid var(--black)}
.t1 .s1-parts a{display:grid;grid-template-columns:72px minmax(0,1fr);gap:4px 24px;align-items:baseline;padding:26px 0;border-bottom:1px solid var(--rule);text-decoration:none}
.t1 .s1-parts a:hover span{color:var(--red)}
.t1 .s1-parts i{grid-row:span 2;font:900 34px/1 var(--display);font-stretch:125%;font-style:normal;color:var(--red)}
.t1 .s1-parts span{font-size:clamp(24px,2.8vw,38px);line-height:1.05;letter-spacing:.1em;color:var(--black)}
.t1 .s1-parts em{font-style:normal;font-size:17px;color:var(--muted)}
.t1 .s1-quote .wrap{padding-top:clamp(56px,7vw,96px);padding-bottom:clamp(72px,8vw,112px)}
.t1 .s1-quote blockquote{margin:0;max-width:1080px;font:800 clamp(32px,4vw,58px)/1.1 var(--display);font-stretch:112%;color:var(--black)}
.t1 .s1-quote blockquote::first-letter{color:var(--red)}
.t1 .s1-quote p{margin:24px 0 0;font-size:16px}
.t1 .s1-quote .ext{font-size:12px}
.t1 .s1-world{border-top:2px solid var(--black)}
.t1 .s1-world .wrap{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:40px 80px;align-items:start;padding-top:clamp(72px,8vw,112px);padding-bottom:clamp(72px,8vw,112px)}
@media (max-width:820px){.t1 .s1-world .wrap{grid-template-columns:1fr}}
.t1 .s1-world-mark svg{display:block;width:100%;max-width:300px;height:auto}
.t1 .s1-world-line{margin:0;font:900 clamp(40px,5vw,72px)/.92 var(--display);font-stretch:125%;text-transform:uppercase;color:var(--black)}
.t1 .s1-world-copy > p:not(.s1-world-line){margin:24px 0 0;max-width:640px;font-size:19px}
.t1 .s1-world-list{list-style:none;margin:36px 0 0;padding:0;border-top:2px solid var(--black)}
.t1 .s1-world-list a{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 24px;padding:18px 0;border-bottom:1px solid var(--rule);text-decoration:none}
.t1 .s1-world-list a:hover span{color:var(--red)}
.t1 .s1-world-list span{font-size:clamp(18px,1.8vw,24px);letter-spacing:.12em;color:var(--black)}
.t1 .s1-world-list em{font-style:normal;font-size:16px;color:var(--muted)}
.t1 .s1-book{background:var(--black);color:#fff}
.t1 .s1-book .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:40px 72px;padding-top:88px;padding-bottom:88px}
.t1 .s1-book img{width:min(240px,100%)}
.t1 .s1-book > .wrap > div{flex:1 1 440px;min-width:0}
.t1 .s1-book .s1-eyebrow{color:#BDBDBD}
.t1 .s1-book h2{margin:14px 0 0;font:900 clamp(36px,4.6vw,68px)/.95 var(--display);font-stretch:125%;text-transform:uppercase}
.t1 .s1-book p{max-width:600px;color:#D6D6D6}
.t1 .btn-invert{background:#fff;color:var(--black);margin-top:12px}
.t1 .btn-invert:hover{background:var(--red);color:var(--black)}
.t1 .s1-pod .wrap{padding-top:72px;padding-bottom:72px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:12px 64px}
.t1 .s1-pod p{margin:0;max-width:760px}
/* subpage */
.t1 .sec-chip{width:14px;height:14px;background:var(--red)}
.t1 .prose blockquote{padding-left:22px;border-left:4px solid var(--red)}

/* ---- site build additions: long-form content from the archive ---- */
.skip{position:absolute;left:-9999px;top:0;background:var(--black);color:#fff;padding:10px 16px;z-index:10}
.skip:focus{left:16px;top:16px}
.prose h3{margin:36px 0 0;font:700 21px/1.35 var(--body);color:var(--black)}
.prose h4{margin:28px 0 0;font:700 18px/1.4 var(--body);color:var(--black)}
.prose ul,.prose ol{margin:16px 0 0;padding-left:1.3em}
.prose li{margin:6px 0 0}
.prose figure{margin:32px 0 0}
.prose figure img,.prose p > img{display:block;max-width:100%;height:auto}
.prose figcaption{margin-top:10px;font-size:14px;line-height:1.5;color:var(--muted);border-top:1px solid var(--rule);padding-top:8px}
.prose img{max-width:100%;height:auto}
.prose .table-wrap{margin:24px 0 0;overflow-x:auto}
.prose table{border-collapse:collapse;width:100%;font-size:16px;line-height:1.5}
.prose th,.prose td{border-bottom:1px solid var(--rule);padding:8px 12px 8px 0;text-align:left;vertical-align:top}
.prose th{font:800 12px var(--display);font-stretch:125%;text-transform:uppercase;letter-spacing:.1em}
.prose dl{margin:16px 0 0}.prose dt{font-weight:700;margin-top:14px;color:var(--black)}.prose dd{margin:4px 0 0}
.prose hr{border:0;border-top:1px solid var(--rule);margin:40px 0}
.prose a{word-break:break-word}
.prose blockquote + blockquote{margin-top:20px}
.page-head .kicker .date{color:var(--muted);font-weight:600}
.faq details > :not(summary){margin:0 0 16px}
.join-form{flex:1 1 380px;max-width:560px}
.join-form input{border-color:var(--black)}
.join-form .btn{background:var(--black);color:#fff}
.s1-world-grid{list-style:none;margin:36px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));border-top:2px solid var(--black)}
.s1-world-grid a{display:flex;align-items:baseline;justify-content:space-between;gap:8px;padding:14px 0;margin-right:24px;border-bottom:1px solid var(--rule);text-decoration:none;font:800 13px/1.3 var(--display);font-stretch:125%;text-transform:uppercase;letter-spacing:.12em;color:var(--black)}
.s1-world-grid a:hover{color:var(--red)}
.s1-world-grid a::after{content:"→";font-weight:400;color:var(--muted)}
.sitemap-list{columns:2 300px;column-gap:48px;padding-left:1.1em}
.sitemap-list li{break-inside:avoid}
.search-page{padding-top:40px;padding-bottom:96px;max-width:860px}
.pagefind-ui{--pagefind-ui-scale:1;--pagefind-ui-primary:#000;--pagefind-ui-text:#1A1A1A;--pagefind-ui-border:#000;--pagefind-ui-border-width:2px;--pagefind-ui-border-radius:0;--pagefind-ui-font:'Archivo',system-ui,sans-serif}
@media (max-width:640px){.t1 .s1-world-mark svg{max-width:160px}.s1-world-grid a{margin-right:16px;font-size:12px}.prose{font-size:18px}.prose blockquote{font-size:20px}.t1 .signature svg{width:220px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* homepage hero: book cover, headline kept inside its column */
@media (min-width:900px){.t1 .s1-hero .wrap{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:48px 80px}}
.t1 .s1-hero-copy{min-width:0}
.t1 .s1-h1{font-size:clamp(44px,5.2vw,78px)}
.t1 .s1-cover{justify-self:center;width:100%;max-width:380px}
.t1 .s1-cover a{display:block}
.t1 .s1-cover img{aspect-ratio:auto;height:auto;object-fit:contain;filter:none;box-shadow:12px 12px 0 var(--black)}
.t1 .s1-cover figcaption{margin-top:22px}
/* header menu: logo row, then one flat row of links (no drop-downs); Menu button below 1200px */
.nav-toggle{display:none}
@media (min-width:1200px){
  .site-header .wrap{padding-bottom:0;row-gap:10px}
  .site-header .site-nav{flex-basis:100%;flex-wrap:nowrap;justify-content:space-between;gap:0 12px;font-stretch:100%;letter-spacing:.1em;white-space:nowrap;border-top:1px solid var(--rule)}
  .site-header .site-nav a{padding:14px 0}
}
@media (max-width:1199px){
  .nav-toggle{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:0;background:var(--black);color:#fff;font:800 12px var(--display);font-stretch:125%;text-transform:uppercase;letter-spacing:.12em;cursor:pointer}
  .site-header .site-nav{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;gap:0}
  .site-header.menu-open .site-nav{display:flex}
  .site-header .site-nav > a:not(.search-btn){width:100%;padding:14px 0;border-top:1px solid var(--rule)}
  .site-nav .search-btn{width:100%;justify-content:flex-start;border-top:1px solid var(--rule)}
}

.classic{margin:0;padding-bottom:28px;font-size:13px;line-height:1.6;color:#9A9A9A}.classic a{color:#BDBDBD}

/* lower home sections share the "Around the world" grid: label column 320px, content from the same left edge */
.t1 .s1-book .wrap,.t1 .s1-nurture .wrap,.t1 .s1-pod .wrap{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:24px 80px;align-items:start;padding-top:clamp(72px,8vw,112px);padding-bottom:clamp(72px,8vw,112px)}
.t1 .s1-book .wrap{align-items:center}
.t1 .s1-book img{width:min(240px,100%);height:auto}
.t1 .s1-nurture,.t1 .s1-pod{border-top:2px solid var(--black)}
.t1 .s1-nurture .s1-section-label,.t1 .s1-pod .s1-section-label{margin:6px 0 0}
.t1 .s1-nurture-body,.t1 .s1-pod p{max-width:760px}
.t1 .s1-nurture-body p{margin:0 0 18px}
.t1 .s1-nurture-body > p:last-child{margin-bottom:0}
.t1 .s1-nurture blockquote{margin:8px 0 28px;padding-left:24px;border-left:4px solid var(--red);font-style:italic}
@media (max-width:820px){.t1 .s1-book .wrap,.t1 .s1-nurture .wrap,.t1 .s1-pod .wrap{grid-template-columns:1fr}}

/* mobile spacing fixes (Oct 18): number band keeps the page margins; cover shadow stays inside the margin */
.t1 .s1-facts .wrap{padding-left:var(--gutter);padding-right:var(--gutter)}
@media (max-width:640px){.t1 .s1-cover{max-width:calc(100% - 12px)}.t1 .s1-cover img{box-shadow:8px 8px 0 var(--black)}}