/* Spec Site Studio v1.0 brand system */
:root{
  --ink:#0E1F30; --harbor:#1A5486; --harbor-dark:#123D63; --copper:#C86A2C; --copper-dark:#A85520;
  --paper:#FFFFFF; --bone:#F7F4EF; --line:#E2DCD2; --slate:#5B6B7A; --tint:#D9E4EF;
  --ink-soft:#3D4C59; --navy-line:#24384C; --dim:#A9B6C2;
  --success:#1E7A5A; --success-tint:#E7F2EE; --warning:#B98214; --warning-tint:#FBF3E2;
  --error:#A8352C; --error-tint:#FCF0EE;
  --serif:'Source Serif 4',Georgia,'Times New Roman',serif;
  --sans:'IBM Plex Sans',system-ui,-apple-system,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SF Mono',monospace;
  --wrap:1180px; --read:720px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--bone);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--harbor);text-decoration:none}
a:hover{color:var(--copper)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 56px}
section{padding:96px 0}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-0.018em;line-height:1.15}
h1{font-size:56px;line-height:1.05;letter-spacing:-0.022em}
h2{font-size:36px}
h3{font-size:26px;letter-spacing:-0.012em}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:0.14em;text-transform:uppercase;color:var(--copper)}
.lead{font-size:18px;line-height:1.65;color:var(--slate);max-width:56ch}
.mono{font-family:var(--mono)}
.center{text-align:center}
.muted{color:var(--slate)}
.todo{background:var(--warning-tint);border:1px dashed var(--warning);color:#8A5F0C;font-family:var(--mono);font-size:12px;padding:2px 7px;border-radius:4px;display:inline-block}

/* buttons */
.btn{display:inline-block;font-family:var(--sans);font-size:16px;font-weight:500;padding:14px 26px;border-radius:6px;cursor:pointer;border:none;transition:background 140ms ease,color 140ms ease,border-color 140ms ease;text-align:center}
.btn-primary{background:var(--copper);color:#fff}
.btn-primary:hover{background:var(--copper-dark);color:#fff}
.btn-secondary{background:var(--harbor);color:#fff}
.btn-secondary:hover{background:var(--harbor-dark);color:#fff}
.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--bone)}
.btn-outline-light{background:transparent;color:#fff;border:1px solid #fff}
.btn-outline-light:hover{background:#fff;color:var(--ink)}
.btn-sm{font-size:14px;padding:10px 18px}

/* header */
header.site{background:var(--bone);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px}
.brand{display:flex;align-items:center;gap:12px}
.mark{position:relative;width:34px;height:34px;border:1.5px solid var(--ink);display:flex;align-items:center;justify-content:center;flex:none}
.mark::before,.mark::after{content:"";position:absolute;width:8px;height:8px}
.mark::before{top:-1.5px;left:-1.5px;border-top:2.5px solid var(--copper);border-left:2.5px solid var(--copper)}
.mark::after{bottom:-1.5px;right:-1.5px;border-bottom:2.5px solid var(--copper);border-right:2.5px solid var(--copper)}
.mark span{font-family:var(--serif);font-size:19px;font-weight:600;line-height:1}
.mark.light{border-color:var(--bone)}
.mark.light span{color:var(--bone)}
.brand-name{font-family:var(--serif);font-size:19px;font-weight:600;letter-spacing:-0.01em;color:var(--ink)}
header.site nav{display:flex;align-items:center;gap:28px}
header.site nav a{color:var(--ink-soft);font-size:15px;font-weight:500}
header.site nav a:hover,header.site nav a.active{color:var(--copper)}
.nav-cta{background:var(--ink);color:var(--bone)!important;font-size:14px;font-weight:500;padding:11px 20px;border-radius:6px}
.nav-cta:hover{background:var(--harbor);color:#fff!important}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:6px;padding:8px 12px;font-family:var(--mono);font-size:12px;cursor:pointer;color:var(--ink)}

/* hero */
.hero{background:var(--paper);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center;padding-top:80px;padding-bottom:80px}
.hero h1{margin:14px 0 4px}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.hero .fineprint{font-family:var(--mono);font-size:12px;letter-spacing:0.04em;color:var(--slate);margin-top:6px}
.hero-col{display:flex;flex-direction:column;gap:20px}

/* generic placeholder image block */
.ph{background:var(--tint);border-radius:6px;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:12px;letter-spacing:0.14em;color:#5B7C99;text-align:center;padding:20px;min-height:320px}
.ph.tall{min-height:360px}
.ph.wide{min-height:150px}

/* section header */
.sec-head{display:flex;flex-direction:column;gap:12px;max-width:var(--read);margin-bottom:40px}
.sec-head.center{margin-left:auto;margin-right:auto;align-items:center;text-align:center}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.step{display:flex;flex-direction:column;gap:12px;border-top:2px solid var(--line);padding-top:20px}
.step:first-child{border-top-color:var(--copper)}
.step .s-num{font-family:var(--mono);font-size:12px;letter-spacing:0.14em;color:var(--slate)}
.step:first-child .s-num{color:var(--copper)}
.step h3{font-size:21px}
.step p{font-size:15px;color:var(--slate)}

/* cards grid */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:32px;display:flex;flex-direction:column;gap:14px;box-shadow:0 1px 2px rgba(14,31,48,0.06);transition:box-shadow 160ms ease,border-color 160ms ease}
.card:hover{box-shadow:0 8px 24px rgba(14,31,48,0.10);border-color:#C9C1B4}
.card h3{font-size:24px}
.card p{font-size:15px;color:var(--slate)}
.card .tagrow{display:flex;gap:8px;flex-wrap:wrap}
.tag{border:1px solid var(--line);color:var(--slate);font-size:12px;padding:4px 9px;border-radius:4px}
.card-foot{font-family:var(--mono);font-size:12px;color:var(--harbor);border-top:1px solid var(--line);padding-top:12px;margin-top:auto}

/* work card with image */
.work-card{background:var(--paper);border:1px solid var(--line);border-radius:6px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 1px 2px rgba(14,31,48,0.06);transition:box-shadow 160ms ease}
.work-card:hover{box-shadow:0 8px 24px rgba(14,31,48,0.10)}
.work-card .ph{min-height:0;height:170px;border-radius:0}
.work-card .body{padding:24px;display:flex;flex-direction:column;gap:10px}
.work-card h3{font-size:22px}
.work-card p{font-size:14px;color:var(--slate)}
.badge-spec{background:var(--ink);color:var(--bone);font-family:var(--mono);font-size:11px;letter-spacing:0.1em;padding:5px 10px;border-radius:4px;align-self:flex-start}

/* dark band */
.band-dark{background:var(--ink);color:var(--bone)}
.band-dark h2,.band-dark h3{color:var(--bone)}
.band-dark .lead{color:var(--dim)}
.band-harbor{background:var(--harbor);color:#fff}
.band-harbor h2{color:#fff}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.price-card{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:34px;display:flex;flex-direction:column;gap:16px;position:relative}
.price-card.feature{border:2px solid var(--copper)}
.price-badge{position:absolute;top:-13px;left:34px;background:var(--copper);color:#fff;font-family:var(--mono);font-size:11px;letter-spacing:0.1em;padding:5px 12px;border-radius:4px;text-transform:uppercase}
.price-card .amount{display:flex;align-items:baseline;gap:8px}
.price-card .amount .n{font-family:var(--serif);font-size:46px;font-weight:600;line-height:1}
.price-card .amount .u{font-size:15px;color:var(--slate)}
.price-card ul{list-style:none;display:flex;flex-direction:column;gap:9px;border-top:1px solid var(--line);padding-top:16px}
.price-card li{font-size:15px;color:var(--slate);display:flex;gap:10px}
.price-card li::before{content:"/";color:var(--copper);font-family:var(--mono)}
.price-card .btn{margin-top:auto}

/* FAQ */
.faq{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:8px 28px;max-width:var(--read);margin:0 auto}
.faq details{border-bottom:1px solid var(--line);padding:22px 0}
.faq details:last-child{border-bottom:none}
.faq summary{font-family:var(--serif);font-size:19px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--slate);font-size:18px}
.faq details[open] summary::after{content:"\2212";color:var(--copper)}
.faq details p{font-size:15px;line-height:1.65;color:var(--slate);margin-top:10px}

/* form */
.form{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:36px;display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:14px;font-weight:500}
.field input,.field textarea{font-family:var(--sans);font-size:15px;color:var(--ink);background:var(--paper);border:1px solid #D5CEC3;border-radius:4px;padding:12px 14px;width:100%}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--harbor);box-shadow:0 0 0 3px rgba(26,84,134,0.12)}

/* CTA band */
.cta-band{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cta-band h2{color:#fff}
.cta-band p{color:#C9DBEA;font-size:16px}

/* audit scorecard demo */
.score-row{display:grid;grid-template-columns:1.5fr 0.9fr 0.7fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);align-items:center}
.bar{height:6px;background:var(--tint);border-radius:3px;overflow:hidden}
.bar > i{display:block;height:100%;border-radius:3px}
.pill{font-family:var(--mono);font-size:11px;padding:4px 9px;border-radius:4px;border:1px solid}
.pill.pass{background:var(--success-tint);color:var(--success);border-color:#C3E0D6}
.pill.partial{background:var(--warning-tint);color:#8A5F0C;border-color:#EBDCBC}
.pill.fail{background:var(--error-tint);color:var(--error);border-color:#EED2CE}

/* footer */
footer.site{background:var(--ink);color:#8A98A5;padding:48px 0 36px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
footer.site .brand-name{color:var(--bone)}
footer.site h4{font-family:var(--mono);font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:#5F7183;font-weight:500;margin-bottom:10px}
footer.site a,footer.site p{color:#C3CCD5;font-size:14px;display:block;margin-bottom:8px}
footer.site a:hover{color:var(--copper)}
footer.site .tagline{color:#8A98A5;max-width:34ch}
footer.site .legal{border-top:1px solid var(--navy-line);margin-top:32px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;color:#5F7183}

/* responsive */
@media(max-width:900px){
  .wrap{padding:0 32px}
  section{padding:64px 0}
  h1{font-size:40px}
  h2{font-size:30px}
  .hero .wrap{grid-template-columns:1fr;padding-top:48px;padding-bottom:48px}
  .steps{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  footer.site .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .wrap{padding:0 20px}
  header.site nav{display:none}
  header.site nav.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--bone);border-bottom:1px solid var(--line);padding:16px 20px;gap:16px}
  .nav-toggle{display:inline-block}
  .steps,.grid-3,.grid-2,.price-grid,footer.site .cols{grid-template-columns:1fr}
  h1{font-size:32px}
}

/* ---- AI answer card (hero visual, replaces mockup screenshot placeholder) ---- */
.ai-card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:26px;box-shadow:0 18px 44px rgba(14,31,48,0.10);display:flex;flex-direction:column;gap:18px}
.ai-card .ai-bar{display:flex;align-items:center;gap:7px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.ai-card .dot{width:9px;height:9px;border-radius:50%;background:var(--line)}
.ai-card .ai-tag{margin-left:auto;font-family:var(--mono);font-size:10px;letter-spacing:0.14em;text-transform:uppercase;color:var(--slate)}
.ai-q{background:var(--bone);border-radius:8px 8px 8px 2px;padding:13px 16px;font-size:15px;color:var(--ink-soft);align-self:flex-start;max-width:92%}
.ai-a{font-size:15px;line-height:1.7;color:var(--ink-soft)}
.ai-a strong{color:var(--ink)}
.ai-pick{display:flex;gap:13px;align-items:flex-start;background:var(--success-tint);border-left:3px solid var(--success);border-radius:0 8px 8px 0;padding:14px 16px;margin:13px 0}
.ai-pick .rank{font-family:var(--mono);font-size:12px;font-weight:600;color:var(--success);padding-top:2px}
.ai-pick .who{font-weight:600;color:var(--ink);font-size:15px}
.ai-pick .why{font-size:13.5px;color:var(--slate);line-height:1.55}
.ai-dim{display:flex;gap:13px;align-items:flex-start;padding:11px 16px;border-left:3px solid var(--line);opacity:0.62}
.ai-dim .rank{font-family:var(--mono);font-size:12px;color:var(--slate);padding-top:2px}
.ai-dim .who{font-size:14.5px;color:var(--slate)}
.ai-cite{font-family:var(--mono);font-size:10.5px;letter-spacing:0.06em;color:var(--slate);border-top:1px solid var(--line);padding-top:13px}

/* ---- Citation flow diagram (dark band) ---- */
.flow{display:flex;flex-direction:column;gap:12px}
.flow-step{background:#16324a;border:1px solid var(--navy-line);border-radius:8px;padding:16px 18px;display:flex;gap:14px;align-items:flex-start}
.flow-step .fnum{font-family:var(--mono);font-size:11px;letter-spacing:0.12em;color:var(--copper);padding-top:3px;flex-shrink:0}
.flow-step h4{font-family:var(--sans);font-size:15px;font-weight:600;color:#EAF1F7;margin-bottom:3px}
.flow-step p{font-size:13.5px;color:var(--dim);line-height:1.55}
.flow-arrow{font-family:var(--mono);font-size:13px;color:var(--copper);text-align:center;line-height:1}

/* ---- Assistant chips (audit page, replaces 4 grey blocks) ---- */
.chip-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.a-chip{background:#16324a;border:1px solid var(--navy-line);border-radius:8px;padding:15px 16px;display:flex;flex-direction:column;gap:4px}
.a-chip .nm{font-family:var(--sans);font-size:15px;font-weight:600;color:#EAF1F7}
.a-chip .sub{font-family:var(--mono);font-size:10.5px;letter-spacing:0.1em;text-transform:uppercase;color:var(--dim)}

/* ---- Brand panel (about page, until founder photo exists) ---- */
.brand-panel{background:var(--ink);border-radius:10px;min-height:400px;display:flex;flex-direction:column;justify-content:center;gap:16px;padding:44px;color:#EAF1F7}
.brand-panel .mark{font-family:var(--serif);font-size:64px;line-height:1;color:var(--copper);letter-spacing:-0.03em}
.brand-panel .nm{font-family:var(--serif);font-size:28px;line-height:1.2}
.brand-panel .rl{font-family:var(--mono);font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--dim)}
.brand-panel .ln{width:52px;height:2px;background:var(--copper)}

@media(max-width:820px){
  .chip-grid{grid-template-columns:1fr}
  .brand-panel{min-height:280px;padding:32px}
  .brand-panel .mark{font-size:48px}
}