/* Layout: dark-first brand site. Charcoal ground, graphite bands, one off-white band for contrast, orange used sparingly as light. Sticky bar with the three-signal mark, one view at a time (hash routed). */
:root{
  color-scheme:dark;
  --charcoal:#0B0B0B; --graphite:#1E1E1E; --graphite-2:#161616; --orange:#FF5A1F; --orange-ink:#C8400C;
  --offwhite:#F7F5F2; --warmgray:#D9D4CC; --muted:#A8A29A; --line:#2A2826;
  --display:"Satoshi","Helvetica Neue",Arial,sans-serif;
  --body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --wrap:1120px;
}
*{box-sizing:border-box}
body{background:var(--charcoal);color:var(--offwhite);font-family:var(--body);font-size:17px;line-height:1.65;margin:0}
a{color:inherit}
::selection{background:var(--orange);color:var(--charcoal)}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.1;text-wrap:balance;margin:0;letter-spacing:-.02em}
h1{font-size:clamp(2.4rem,5.6vw,4.3rem)}
h1.page{font-size:clamp(2.1rem,4.6vw,3.3rem)}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
h3{font-size:1.28rem;font-weight:600;letter-spacing:-.01em}
p{margin:0;max-width:65ch}
.eyebrow{font-family:var(--display);font-weight:500;font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--orange)}
em.g{font-style:normal;color:var(--orange)}
.lead{font-size:1.12rem}
.muted{color:var(--muted)}

/* Wordmark: YT in capitals, scaled to the height of "ars" */
.mark{text-decoration:none;display:inline-flex;align-items:center;gap:12px;line-height:1}
.mark svg{height:34px;width:auto;flex:none}
.mark .txt{display:flex;flex-direction:column;gap:5px}
.wm{font-family:var(--display);font-size:1.6rem;font-weight:700;letter-spacing:-.01em;color:var(--offwhite)}
.yt{font-size:.73em;letter-spacing:.01em;-webkit-text-stroke:.03em currentColor}
.mark .tag{font-family:var(--display);font-size:.56rem;font-weight:500;letter-spacing:.26em;text-transform:uppercase;color:var(--warmgray)}

/* Header */
header.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:rgba(11,11,11,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
nav.links{display:flex;gap:4px;flex-wrap:wrap}
nav.links a{font-size:.92rem;text-decoration:none;padding:6px 12px;border-radius:999px;color:var(--warmgray)}
nav.links a:hover,nav.links a:focus-visible{color:var(--offwhite);outline:none;background:var(--graphite)}
nav.links a[aria-current="page"]{color:var(--charcoal);background:var(--orange)}
.menu{display:none;background:none;border:1px solid var(--line);color:var(--offwhite);border-radius:8px;padding:6px 12px;font:inherit;font-size:.9rem}
@media (max-width:860px){
  .menu{display:block}
  nav.links{display:none;position:absolute;left:0;right:0;top:100%;background:var(--charcoal);flex-direction:column;padding:8px max(16px,env(safe-area-inset-right,0px)) 16px max(16px,env(safe-area-inset-left,0px));border-bottom:1px solid var(--line)}
  nav.links.open{display:flex}
}

section.view[hidden]{display:none!important}
.band{padding-block:clamp(56px,8vw,104px);background:var(--charcoal)}
.band.alt{background:var(--graphite-2);border-block:1px solid var(--line)}
.band.tight{padding-top:0;border-top:none}
.band.dark{background:var(--offwhite);color:var(--charcoal)}
.band.dark .muted{color:#5C5750}
.band.dark .btn.gold{background:var(--charcoal);color:var(--offwhite)}
.band.dark .btn.gold:hover{background:var(--graphite)}
.stack{display:grid;gap:20px}
.head{display:grid;gap:10px}

/* Hero */
.hero{background:radial-gradient(60% 80% at 82% 50%,rgba(255,90,31,.16),transparent 70%),var(--charcoal);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;padding-block:clamp(64px,9vw,120px)}
.hero p.lede{font-size:1.18rem;color:var(--warmgray);margin-top:22px}
.hero .signal{width:100%;max-width:360px;justify-self:end;filter:drop-shadow(0 0 28px rgba(255,90,31,.45))}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero .signal{justify-self:start;max-width:220px;order:-1}}
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-flex;align-items:center;gap:8px;font:inherit;font-weight:600;font-size:.98rem;text-decoration:none;padding:13px 22px;border-radius:999px;border:1px solid transparent;cursor:pointer}
.btn.gold{background:var(--orange);color:var(--charcoal)}
.btn.gold:hover{background:#FF7440}
.btn.ghost{border-color:#4A4744;color:var(--offwhite);background:transparent}
.btn.ghost:hover{border-color:var(--orange)}
.btn.ink{background:var(--offwhite);color:var(--charcoal)}
.btn.ink:hover{background:var(--warmgray)}
.btn:focus-visible{outline:2px solid var(--orange);outline-offset:3px}

/* Pedigree strip */
.pedigree{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.pedigree div{padding:26px 20px 6px 0;display:grid;gap:6px;align-content:start}
.pedigree div+div{padding-left:20px;border-left:1px solid var(--line)}
.pedigree b{font-family:var(--display);font-size:1.3rem;font-weight:600;letter-spacing:-.01em}
.pedigree span{font-size:.92rem;color:var(--muted)}
@media (max-width:860px){.pedigree{grid-template-columns:1fr 1fr}.pedigree div:nth-child(3){border-left:none;padding-left:0}}
@media (max-width:440px){.pedigree{grid-template-columns:1fr}.pedigree div+div{border-left:none;padding-left:0;border-top:1px solid var(--line)}}

.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,6vw,80px);align-items:start}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.split > *{min-width:0}

/* Service list */
.svc{display:grid}
.svc article{display:grid;grid-template-columns:180px 1fr;gap:24px;padding-block:28px;border-top:1px solid var(--line)}
.svc article:last-child{border-bottom:1px solid var(--line)}
.svc article > *{min-width:0}
.svc .k{font-family:var(--display);font-weight:500;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--orange);padding-top:6px}
.svc p{margin-top:6px}
.svc ul{margin:12px 0 0;padding-left:18px;color:var(--muted)}
.svc li{margin-top:4px}
.svc li::marker{color:var(--orange)}
@media (max-width:640px){.svc article{grid-template-columns:1fr;gap:4px}}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid.two{grid-template-columns:1fr 1fr}
.grid article{background:var(--graphite);border:1px solid var(--line);border-radius:14px;padding:28px;display:grid;gap:10px;align-content:start}
.band.alt .grid article{background:var(--charcoal)}
.when{font-family:var(--display);font-weight:500;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--orange)}
@media (max-width:860px){.grid,.grid.two{grid-template-columns:1fr}}

/* Method: a real sequence */
.method{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:m}
.method div{border-top:2px solid var(--orange);padding-top:16px}
.method h3{margin-bottom:8px}
.method h3::before{counter-increment:m;content:counter(m) ". ";color:var(--orange)}
@media (max-width:860px){.method{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.method{grid-template-columns:1fr}}

/* About */
.portrait{aspect-ratio:4/5;max-width:100%;background:radial-gradient(70% 60% at 50% 45%,rgba(255,90,31,.18),transparent 70%),var(--graphite);border:1px solid var(--line);border-radius:16px;display:grid;place-items:center;overflow:hidden;position:sticky;top:110px}
.portrait svg{width:42%}
.portrait .cap{position:absolute;left:18px;bottom:16px;font-family:var(--display);font-size:.62rem;letter-spacing:.22em;color:var(--muted);text-transform:uppercase}
@media (max-width:860px){.portrait{position:relative;top:0;max-width:320px}}
.bio p{font-size:1.05rem}
.bio p:first-of-type{font-size:1.2rem;color:var(--offwhite)}
.creds{display:grid;margin:8px 0 0}
.creds div{display:grid;grid-template-columns:170px 1fr;gap:20px;padding-block:18px;border-top:1px solid var(--line)}
.creds div > *{min-width:0}
.creds dt{font-family:var(--display);font-weight:500;font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--orange);padding-top:4px}
.creds dd{margin:0}
@media (max-width:560px){.creds div{grid-template-columns:1fr;gap:4px}}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{font-size:.86rem;border:1px solid var(--line);padding:5px 12px;border-radius:999px;background:var(--graphite);color:var(--warmgray)}
blockquote{margin:0;font-family:var(--display);font-weight:600;font-size:clamp(1.5rem,2.8vw,2.1rem);line-height:1.25;letter-spacing:-.015em;max-width:30ch}

.who{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.who div{display:grid;gap:6px;align-content:start}
@media (max-width:860px){.who{grid-template-columns:1fr 1fr}}
@media (max-width:440px){.who{grid-template-columns:1fr}}
.note{border-left:3px solid var(--orange);padding:16px 20px;background:var(--graphite);border-radius:0 10px 10px 0}

/* Insights */
.posts details{border-top:1px solid var(--line);padding-block:24px}
.posts details:last-child{border-bottom:1px solid var(--line)}
.posts summary{cursor:pointer;list-style:none;display:grid;gap:8px}
.posts summary::-webkit-details-marker{display:none}
.posts summary:focus-visible{outline:2px solid var(--orange);outline-offset:4px}
.posts .meta{font-family:var(--display);font-weight:500;font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--orange)}
.posts .more{font-size:.9rem;color:var(--muted)}
.posts details[open] .more{display:none}
.posts .body{display:grid;gap:14px;margin-top:16px}

/* Contact */
form{display:grid;gap:16px;background:var(--graphite);border:1px solid var(--line);border-radius:16px;padding:clamp(20px,4vw,36px)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){.row{grid-template-columns:1fr}}
label{display:grid;gap:6px;font-size:.88rem;font-weight:600;color:var(--warmgray)}
input,select,textarea{font:inherit;font-weight:400;font-size:1rem;color:var(--offwhite);background:var(--charcoal);border:1px solid var(--line);border-radius:8px;padding:11px 12px;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--orange);outline-offset:1px;border-color:transparent}
textarea{min-height:130px;resize:vertical}
.ok{border-left:3px solid var(--orange);padding:14px 18px;background:rgba(255,90,31,.1)}
.addr{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-family:var(--mono);font-size:.95rem}
.copy{font:inherit;font-size:.8rem;border:1px solid var(--line);background:var(--graphite);color:var(--offwhite);padding:4px 12px;border-radius:999px;cursor:pointer}

footer{background:var(--charcoal);color:var(--muted);font-size:.9rem;border-top:1px solid var(--line)}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-block:36px}
footer a{text-decoration:none}
footer a:hover{color:var(--orange)}

@media (prefers-reduced-motion:no-preference){
  .hero .signal ellipse{animation:pulse 3.6s ease-in-out infinite}
  .hero .signal ellipse:nth-of-type(2){animation-delay:.25s}
  .hero .signal ellipse:nth-of-type(3){animation-delay:.5s}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.72}}
}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
[hidden]{display:none!important}
.formnote{border-left:3px solid var(--orange);padding:14px 18px;background:rgba(255,90,31,.1);border-radius:0 10px 10px 0;color:var(--offwhite)}
.formnote a{color:var(--orange)}
#sendBtn:disabled{opacity:.7;cursor:default}