/* Dark Hour Labs — site styles
   Palette: email-signature monochrome (DHL Brand Guide v0.1).
   Ink #0a0a0a · Graphite #2a2a2a · Slate #555555 (accent: rules only on dark)
   Steel #7a7a7a · Silver #8f8f8f · White #ffffff
   No blue / purple / cyan. No gradients beyond a local grey vignette. */
@font-face{font-family:"Inter";src:url("/assets/inter-var-latin.woff2") format("woff2");font-weight:400 700;font-style:normal;font-display:swap}
:root{
  --ink:#0a0a0a; --surface:#111111; --surface-2:#161616; --graphite:#2a2a2a; --slate:#555555;
  --steel:#7a7a7a; --silver:#8f8f8f; --body:#b8b8b8; --strong:#f5f5f5; --white:#ffffff;
  --radius:10px; --max:1120px; --gutter:clamp(20px,5vw,40px);
  --font:"Inter","Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--ink);color:var(--body);font:400 1.0625rem/1.65 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%;height:auto}
a{color:var(--strong);text-decoration:underline;text-decoration-color:var(--slate);text-underline-offset:3px}
a:hover{text-decoration-color:var(--silver)}
:focus-visible{outline:2px solid var(--white);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4{color:var(--strong);font-weight:600;line-height:1.15;letter-spacing:-.02em;margin:0 0 .6em}
h1{font-size:clamp(2.2rem,5.4vw,3.75rem);letter-spacing:-.035em;font-weight:650}
h2{font-size:clamp(1.65rem,3.2vw,2.35rem)}
h3{font-size:1.2rem;letter-spacing:-.01em}
p{margin:0 0 1.1em}
ul{margin:0 0 1.1em;padding-left:1.15em}
li{margin:.3em 0}
li::marker{color:var(--steel)}
strong{color:var(--strong);font-weight:600}
.skip{position:absolute;left:-999px;top:8px;background:var(--white);color:var(--ink);padding:10px 14px;border-radius:6px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.narrow{max-width:760px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,10,10,.92);backdrop-filter:saturate(140%) blur(8px);-webkit-backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--graphite)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--strong)}
.brand img{width:34px;height:34px;border:1px solid var(--graphite);border-radius:8px}
.wordmark{font-weight:700;font-size:1.06rem;letter-spacing:-.2px;white-space:nowrap}
.wordmark span{color:var(--silver);font-weight:600}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:var(--silver);text-decoration:none;font-size:.95rem;padding:8px 12px;border-radius:8px}
.nav a:hover,.nav a[aria-current="page"]{color:var(--strong)}
.nav a[aria-current="page"]{background:var(--surface-2)}
.nav .btn{margin-left:8px}
.menu-btn{display:none;background:none;border:1px solid var(--graphite);color:var(--strong);border-radius:8px;padding:8px 12px;font:inherit;font-size:.95rem;cursor:pointer}
@media (max-width:900px){
  .js .menu-btn{display:inline-flex;align-items:center;gap:8px}
  .js .nav{display:none;position:absolute;left:0;right:0;top:68px;flex-direction:column;align-items:stretch;background:var(--ink);border-bottom:1px solid var(--graphite);padding:12px var(--gutter) 20px}
  .js .nav.open{display:flex}
  .js .nav a{padding:12px 8px;font-size:1.05rem;border-bottom:1px solid var(--surface-2);border-radius:0}
  .js .nav .btn{margin:12px 0 0;justify-content:center;border-bottom:0;border-radius:var(--radius)}
  html:not(.js) .site-header .wrap{flex-wrap:wrap;padding-bottom:10px}
  html:not(.js) .nav{flex-wrap:wrap}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 .975rem/1 var(--font);padding:14px 22px;border-radius:var(--radius);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,color .15s}
.btn-primary{background:#fafafa;color:var(--ink)!important}
.btn-primary:hover{background:#e6e6e6}
.btn-secondary{background:transparent;color:var(--strong)!important;border-color:var(--slate)}
.btn-secondary:hover{border-color:var(--silver)}
.nav .btn{padding:10px 16px;font-size:.9rem}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* Sections */
section{padding:clamp(64px,9vw,112px) 0;border-top:1px solid var(--graphite)}
section.first{border-top:0}
.band{background:var(--surface)}
.eyebrow{display:block;font-size:.8rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--silver);margin-bottom:18px}
.lede{font-size:clamp(1.1rem,1.6vw,1.25rem);color:#c8c8c8;max-width:680px}
.section-head{max-width:720px;margin-bottom:48px}
.section-head p{color:var(--body)}

/* Hero */
.hero{position:relative;padding:clamp(72px,12vw,148px) 0 clamp(64px,9vw,112px);overflow:hidden;background:radial-gradient(1200px 600px at 85% 10%,#151515 0%,var(--ink) 60%)}
.hero h1{max-width:17ch}
.hero .mark{position:absolute;right:max(var(--gutter),calc((100vw - var(--max))/2 + 40px));top:50%;transform:translateY(-50%);width:min(30vw,340px);opacity:.09;pointer-events:none}
@media (max-width:900px){.hero .mark{display:none}}
.proof{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:44px;padding-top:24px;border-top:1px solid var(--graphite);color:var(--silver);font-size:.95rem;list-style:none;padding-left:0}
.proof li{margin:0;display:flex;align-items:center;gap:10px}
.proof li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--steel)}

.page-hero{padding:clamp(64px,9vw,112px) 0 clamp(40px,6vw,64px)}
.page-hero h1{font-size:clamp(2rem,4.6vw,3.2rem);max-width:20ch}

/* Grids & cards */
.grid{display:grid;gap:20px}
@media (min-width:720px){.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1040px){.grid-4{grid-template-columns:repeat(4,1fr)}}
.card{background:var(--surface);border:1px solid var(--graphite);border-radius:var(--radius);padding:28px}
.band .card{background:var(--ink)}
.card h3{margin-bottom:.5em}
.card p:last-child,.card ul:last-child{margin-bottom:0}
.card.feature{border-color:var(--slate)}
.tag{display:inline-block;font-size:.75rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--silver);border:1px solid var(--graphite);border-radius:999px;padding:4px 10px;margin-bottom:16px}
.num{display:block;font-size:.85rem;font-weight:600;letter-spacing:.12em;color:var(--steel);margin-bottom:14px;font-variant-numeric:tabular-nums}
.card a.more{display:inline-block;margin-top:14px;font-weight:600;font-size:.95rem}
.ticks{list-style:none;padding:0}
.ticks li{position:relative;padding-left:22px}
.ticks li::before{content:"";position:absolute;left:2px;top:.68em;width:9px;height:1px;background:var(--silver)}

/* Steps */
.steps{counter-reset:step;display:grid;gap:0}
@media (min-width:900px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{padding:28px 24px 28px 0;border-top:1px solid var(--slate)}
@media (min-width:900px){.step{padding-right:28px}}
.note{margin-top:36px;color:var(--strong);font-weight:500}

/* Service detail blocks */
.service{display:grid;gap:28px;padding:48px 0;border-top:1px solid var(--graphite)}
.service:first-of-type{border-top:0;padding-top:0}
@media (min-width:900px){.service{grid-template-columns:5fr 7fr;gap:56px}}
.service dl{margin:0;display:grid;gap:18px}
.service dt{font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--silver);margin-bottom:6px}
.service dd{margin:0}

/* Founder */
.founder{display:grid;gap:32px;align-items:start}
@media (min-width:900px){.founder{grid-template-columns:260px 1fr;gap:56px}}
.founder-mark{aspect-ratio:1;border:1px solid var(--graphite);border-radius:var(--radius);background:var(--surface);display:grid;place-items:center}
.founder-mark img{width:46%;opacity:.85}

/* CTA band */
.cta{text-align:left}
.cta .wrap{display:grid;gap:24px;align-items:center}
@media (min-width:900px){.cta .wrap{grid-template-columns:1fr auto}}
.cta h2{margin-bottom:.35em}
.cta p{margin:0;max-width:640px}

/* Forms */
.form{display:grid;gap:18px}
.field{display:grid;gap:8px}
.field label{color:var(--strong);font-weight:500;font-size:.95rem}
.field .hint{color:var(--silver);font-size:.85rem;font-weight:400}
input,select,textarea{width:100%;font:inherit;font-size:1rem;color:var(--strong);background:var(--ink);border:1px solid var(--slate);border-radius:8px;padding:12px 14px}
textarea{min-height:150px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--white);outline-offset:1px;border-color:var(--silver)}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%238f8f8f' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.form-status{min-height:1.5em;color:var(--strong);font-size:.95rem}
.form-status[data-state="error"]{color:#e6e6e6}
.contact-grid{display:grid;gap:40px}
@media (min-width:900px){.contact-grid{grid-template-columns:7fr 5fr;gap:64px}}
.aside dl{margin:0}
.aside dt{font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--silver);margin-top:22px}
.aside dt:first-child{margin-top:0}
.aside dd{margin:6px 0 0}

/* Legal */
.legal h2{font-size:1.35rem;margin-top:2em}
.legal .updated{color:var(--silver)}

/* Footer */
.site-footer{border-top:1px solid var(--graphite);padding:56px 0 40px;font-size:.95rem;color:var(--silver)}
.site-footer .cols{display:grid;gap:32px}
@media (min-width:800px){.site-footer .cols{grid-template-columns:2fr 1fr 1fr}}
.site-footer h2{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--silver);font-weight:600;margin-bottom:14px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:0 0 8px}
.site-footer a{color:var(--body);text-decoration:none}
.site-footer a:hover{color:var(--strong);text-decoration:underline}
.site-footer .base{margin-top:40px;padding-top:24px;border-top:1px solid var(--graphite);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:.875rem}
.site-footer .tagline{margin-top:14px;max-width:360px}

/* 404 */
.notfound{min-height:56vh;display:flex;align-items:center}
.steps{list-style:none;padding:0;margin:0}
.after{margin-top:28px}
.cta .actions{margin-top:0}
.card-title{font-size:1.25rem}
section.legal-body{padding-top:0;border-top:0}