/* Genotion — shared site layout + components. Structure forked from the IR
   platform-prototype marketing shell; skinned via tokens.css only. */

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:21px;letter-spacing:-.02em;color:var(--fg)}
.logo .mark{width:30px;height:30px;border-radius:8px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:16.5px;line-height:1}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{font-size:14.5px;font-weight:500;color:var(--muted);transition:color .18s}
.main-nav a:hover{color:var(--fg)}
.main-nav a[aria-current=page]{color:var(--fg);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px}
.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--border-strong);background:transparent;color:var(--muted);transition:background .18s,color .18s}
.theme-toggle:hover{background:var(--surface-2);color:var(--fg)}
.theme-toggle svg{width:19px;height:19px}
.theme-toggle .icon-sun{display:none}
:root[data-theme=dark] .theme-toggle .icon-sun{display:block}
:root[data-theme=dark] .theme-toggle .icon-moon{display:none}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--border-strong);background:transparent;color:var(--fg)}
.nav-toggle svg{width:21px;height:21px}
.mobile-nav{display:none;border-top:1px solid var(--border);background:var(--bg);padding:12px 32px 20px;flex-direction:column;gap:4px}
.mobile-nav a{padding:12px 6px;font-size:16px;font-weight:500;color:var(--fg);border-bottom:1px solid var(--border)}
.mobile-nav a:last-child{border-bottom:none}
.mobile-nav.open{display:flex}
@media(max-width:900px){
  .main-nav{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
}

/* ============ sections ============ */
.section{padding:var(--s9) 0}
.section-tight{padding:var(--s8) 0}
.bg-surface{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{max-width:680px;margin-bottom:var(--s7)}
.section-head h2{font-size:clamp(30px,4vw,44px);margin:12px 0 16px}
.section-head p{font-size:17.5px;color:var(--muted);max-width:56ch}
.center{text-align:center}
.center .section-head{margin-left:auto;margin-right:auto}
.center .section-head p{margin-left:auto;margin-right:auto}

/* ============ hero ============ */
.hero{padding:var(--s9) 0 var(--s8)}
.hero h1{font-size:clamp(44px,7.2vw,88px);letter-spacing:-.03em;max-width:13ch}
.hero .lede{font-size:clamp(17.5px,1.6vw,20px);color:var(--muted);max-width:52ch;margin:26px 0 34px;line-height:1.65}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero .trust-line{display:flex;gap:22px;flex-wrap:wrap;margin-top:42px;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.hero .trust-line span{display:inline-flex;align-items:center;gap:8px}
.hero .trust-line svg{width:14px;height:14px;color:var(--accent-ink);flex:none}

/* ============ subtle hero backgrounds (home + interior) ============ */
/* image sits behind content on its own layer; scrim keeps the text column AA-safe;
   solid --bg is the fallback if the image fails to load. */
.hero,.page-hero{position:relative;isolation:isolate;overflow:hidden}
.hero::before,.page-hero::before{content:"";position:absolute;inset:0;z-index:-2;background-color:var(--bg);background-image:var(--hero-img);background-size:cover;background-position:center right;background-repeat:no-repeat}
.hero::after,.page-hero::after{content:"";position:absolute;inset:0;z-index:-1;background:var(--hero-scrim)}

/* ============ grids & cards ============ */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:960px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid-2,.grid-3{grid-template-columns:1fr}}
.feature-card{padding:26px 24px;display:flex;flex-direction:column;gap:12px;transition:border-color .18s,box-shadow .18s}
.feature-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md)}
.feature-card h3{font-size:18.5px;letter-spacing:-.01em}
.feature-card p{font-size:15px;color:var(--muted);line-height:1.6}
.feature-card .icon{width:42px;height:42px;border-radius:10px;background:var(--accent-soft);color:var(--accent-ink);display:grid;place-items:center}
.feature-card .icon svg{width:21px;height:21px}

/* ---- illustrated feature cards ("what we build") ---- */
.feature-card.fc{overflow:hidden}
.fc .fc-art{position:relative;height:128px;margin:-2px -2px 6px;border-radius:12px;overflow:hidden;
  background:radial-gradient(120% 120% at 15% 0%,color-mix(in srgb,var(--accent) 12%,transparent),transparent 55%),var(--surface-2);
  border:1px solid var(--border)}
:root[data-theme=dark] .fc .fc-art{background:radial-gradient(120% 120% at 15% 0%,color-mix(in srgb,var(--accent) 26%,transparent),transparent 58%),var(--surface-2)}
.fc .fc-art svg{position:absolute;inset:0;width:100%;height:100%;display:block}
.fc:hover .fc-art{border-color:color-mix(in srgb,var(--accent) 45%,var(--border))}
.fc .badge{position:absolute;top:12px;left:12px;font-family:var(--font-mono);font-size:10.5px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--accent-ink);
  background:color-mix(in srgb,var(--accent-soft) 85%,transparent);padding:4px 9px;border-radius:var(--r-pill);
  border:1px solid color-mix(in srgb,var(--accent) 22%,transparent)}
/* svg token roles */
.fc .tile{fill:var(--surface);stroke:var(--border-strong);stroke-width:1.5}
.fc .acc{stroke:var(--accent)} .fc .accf{fill:var(--accent)}
.fc .mut{stroke:var(--muted)} .fc .mutf{fill:var(--muted)}
.fc .surf{fill:var(--surface)} .fc .surf2{fill:var(--surface-2)}
/* illustration motion — gated; reduced-motion falls back to static */
@media (prefers-reduced-motion:no-preference){
  @keyframes fcfloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
  @keyframes fcfloat2{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
  @keyframes fcflow{from{offset-distance:0%}to{offset-distance:100%}}
  @keyframes fcdash{to{stroke-dashoffset:-24}}
  @keyframes fcring{0%,100%{opacity:.15;transform:scale(1)}50%{opacity:.4;transform:scale(1.06)}}
  @keyframes fcscan{0%{transform:translateY(0);opacity:0}15%{opacity:.9}85%{opacity:.9}100%{transform:translateY(66px);opacity:0}}
  @keyframes fctwk{0%,100%{opacity:.25;transform:scale(.85)}50%{opacity:1;transform:scale(1.15)}}
  @keyframes fcfit{0%,100%,45%,60%{transform:translate(0,0)}20%{transform:translate(-10px,-6px)}}
  .fc .fla{animation:fcfloat 4.5s ease-in-out infinite}
  .fc .flb{animation:fcfloat 5s ease-in-out .4s infinite}
  .fc .flc{animation:fcfloat2 5.4s ease-in-out .8s infinite}
  .fc .fdot{offset-rotate:0deg;animation:fcflow 2.6s linear infinite}
  .fc .fd1{offset-path:path('M54 64 L196 36')}
  .fc .fd2{offset-path:path('M54 64 L248 24');animation-duration:2.9s;animation-delay:.5s}
  .fc .fd3{offset-path:path('M54 64 L276 62');animation-duration:2.5s;animation-delay:.9s}
  .fc .fd4{offset-path:path('M54 64 L248 102');animation-duration:3s;animation-delay:.3s}
  .fc .fd5{offset-path:path('M54 64 L196 92');animation-duration:2.7s;animation-delay:1.1s}
  .fc .tok{offset-path:path('M40 64 C80 64 92 38 128 38 C176 38 196 64 262 64');animation:fcflow 3.4s ease-in-out infinite}
  .fc .tok2{offset-path:path('M40 64 C80 64 92 90 128 90 C176 90 196 64 262 64');animation:fcflow 3.4s ease-in-out 1.7s infinite}
  .fc .rA{transform-origin:center;transform-box:fill-box;animation:fcring 3.6s ease-in-out infinite}
  .fc .rB{transform-origin:center;transform-box:fill-box;animation:fcring 3.6s ease-in-out .9s infinite}
  .fc .scan{animation:fcscan 3.8s ease-in-out infinite}
  .fc .spk{transform-origin:center;transform-box:fill-box;animation:fctwk 2.4s ease-in-out infinite}
  .fc .spk2{transform-origin:center;transform-box:fill-box;animation:fctwk 2.4s ease-in-out 1.2s infinite}
  .fc .dash{stroke-dasharray:5 7;animation:fcdash 1.6s linear infinite}
  .fc .fit{animation:fcfit 5.5s ease-in-out infinite}
}
.fc .dash{stroke-dasharray:5 7}

/* ============ dark values band ============ */
.band{background:var(--band-bg);color:var(--band-fg);position:relative;isolation:isolate;overflow:hidden}
/* subtle accent-dark silk texture behind the band; heavy band-bg scrim keeps it a whisper */
.band::before{content:"";position:absolute;inset:0;z-index:-2;background-color:var(--band-bg);background-image:image-set(url('/assets/images/accent-dark-2x.avif') type('image/avif') 2x,url('/assets/images/accent-dark-1x.avif') type('image/avif') 1x,url('/assets/images/accent-dark-2x.webp') type('image/webp') 2x,url('/assets/images/accent-dark-1x.webp') type('image/webp') 1x);background-size:cover;background-position:center;background-repeat:no-repeat}
.band::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,color-mix(in srgb,var(--band-bg) 82%,transparent),color-mix(in srgb,var(--band-bg) 92%,transparent))}
.band .kicker{color:var(--band-accent)}
.band .section-head p{color:var(--band-muted)}
.band-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:960px){.band-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.band-grid{grid-template-columns:1fr}}
.band-card{background:var(--band-card);border:1px solid var(--band-border);border-radius:var(--r-lg);padding:26px 24px}
.band-card h3{font-size:19px;margin-bottom:10px;color:var(--band-fg)}
.band-card p{font-size:15px;color:var(--band-muted);line-height:1.6}
.band-card .num{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.14em;color:var(--band-accent);display:block;margin-bottom:14px}

/* ============ newsletter / inline subscribe ============ */
.subscribe-form{display:flex;gap:10px;max-width:460px}
.subscribe-form input{flex:1;font-family:var(--font-body);font-size:15.5px;padding:12px 14px;border:1px solid var(--border-strong);border-radius:var(--r-md);background:var(--surface);color:var(--fg);min-height:50px;min-width:0}
.subscribe-form input:focus-visible{outline:3px solid var(--ring);outline-offset:1px}
@media(max-width:520px){.subscribe-form{flex-direction:column}.subscribe-form .btn{width:100%}}
.band .subscribe-form input{background:rgba(255,255,255,.07);border-color:var(--band-border);color:var(--band-fg)}
.band .subscribe-form input::placeholder{color:var(--band-muted)}

/* ============ form status messages ============ */
.form-status{display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-md);font-size:15px;line-height:1.5}
.form-status.ok{display:block;background:var(--success-bg);color:var(--success);border:1px solid color-mix(in srgb,var(--success) 25%,transparent)}
.form-status.err{display:block;background:var(--danger-soft);color:var(--danger);border:1px solid var(--danger-line)}

/* ============ CTA band ============ */
.cta-band{padding:var(--s9) 0}
.cta-band .card{padding:clamp(36px,5vw,64px);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{font-size:clamp(28px,3.6vw,40px);max-width:20ch}
.cta-band p{color:var(--muted);margin-top:10px;max-width:46ch}

/* ============ prose (about / privacy) ============ */
.prose{max-width:720px}
.prose h2{font-size:clamp(24px,3vw,32px);margin:52px 0 16px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:19px;margin:32px 0 10px}
.prose p{margin:0 0 18px;color:var(--fg)}
.prose p.muted,.prose li.muted{color:var(--muted)}
.prose ul{margin:0 0 18px;padding-left:22px}
.prose li{margin-bottom:8px}
.prose a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:3px}

/* ============ page hero (interior pages) ============ */
.page-hero{padding:var(--s8) 0 var(--s7)}
.page-hero h1{font-size:clamp(36px,5.4vw,60px);letter-spacing:-.03em;max-width:16ch;margin-top:12px}
.page-hero .lede{font-size:18px;color:var(--muted);max-width:56ch;margin-top:20px}

/* ============ footer ============ */
.site-footer{border-top:1px solid var(--border);padding:var(--s8) 0 var(--s6);background:var(--surface)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:32px}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}
.site-footer .blurb{font-size:14.5px;color:var(--muted);max-width:34ch;margin-top:14px}
.site-footer h3{font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.site-footer ul a{font-size:14.5px;color:var(--fg)}
.site-footer ul a:hover{color:var(--accent-ink)}
.footer-bottom{margin-top:var(--s7);padding-top:var(--s5);border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:var(--muted)}
.footer-bottom a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.footer-bottom a:hover{color:var(--fg)}

/* ============ reveal-on-scroll (subtle; disabled under reduced-motion via tokens) ============ */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ============ intake modal (AI "Start a conversation" — built in JS, §9A/§9C) ============ */
body.intake-lock{overflow:hidden}
.intake-overlay[hidden],.intake-ready[hidden]{display:none!important}
.intake-overlay{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px;background:color-mix(in srgb,#0B0B0F 55%,transparent);opacity:0;transition:opacity .2s ease-out}
.intake-overlay.in{opacity:1}
.intake-dialog{position:relative;display:flex;flex-direction:column;width:100%;max-width:600px;max-height:88vh;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);overflow:hidden;transform:translateY(10px) scale(.99);transition:transform .2s ease-out}
.intake-overlay.in .intake-dialog{transform:none}
.intake-head{display:flex;align-items:center;gap:12px;padding:18px 20px;border-bottom:1px solid var(--border);flex:none}
.intake-head .intake-title{font-family:var(--font-display);font-weight:700;font-size:18px;letter-spacing:-.01em;flex:1;min-width:0}
.intake-head .intake-sub{display:block;font-family:var(--font-body);font-size:12.5px;font-weight:400;color:var(--muted);letter-spacing:0;margin-top:2px}
.intake-mic-toggle{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--muted);background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-pill);padding:5px 12px;min-height:32px;white-space:nowrap}
.intake-mic-toggle[aria-pressed=true]{color:var(--accent-ink);border-color:var(--accent);background:var(--accent-soft)}
.intake-close{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;flex:none;border-radius:var(--r-sm);border:1px solid transparent;background:transparent;color:var(--muted)}
.intake-close:hover{background:var(--surface-2);color:var(--fg)}
.intake-close svg{width:20px;height:20px}
.intake-body{flex:1 1 auto;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:16px}
.intake-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:480px){.intake-fields{grid-template-columns:1fr}}
.intake-log{display:flex;flex-direction:column;gap:12px}
.intake-msg{max-width:88%;padding:11px 14px;border-radius:var(--r-md);font-size:15px;line-height:1.55;white-space:pre-wrap;word-wrap:break-word}
.intake-msg.assistant{align-self:flex-start;background:var(--surface-2);color:var(--fg);border-bottom-left-radius:4px}
.intake-msg.user{align-self:flex-end;background:var(--accent);color:var(--on-accent);border-bottom-right-radius:4px}
.intake-typing{align-self:flex-start;display:inline-flex;gap:4px;padding:14px 16px;background:var(--surface-2);border-radius:var(--r-md);border-bottom-left-radius:4px}
.intake-typing span{width:7px;height:7px;border-radius:50%;background:var(--muted);opacity:.5;animation:intakeBlink 1.2s infinite ease-in-out}
.intake-typing span:nth-child(2){animation-delay:.2s}
.intake-typing span:nth-child(3){animation-delay:.4s}
@keyframes intakeBlink{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:.9;transform:translateY(-3px)}}
@media (prefers-reduced-motion:reduce){.intake-typing span{animation:none;opacity:.6}}
.intake-notice{background:var(--warn-bg);color:var(--warn);border:1px solid color-mix(in srgb,var(--warn) 30%,transparent);border-radius:var(--r-sm);padding:12px 14px;font-size:14px;line-height:1.5}
.intake-foot{flex:none;border-top:1px solid var(--border);padding:14px 20px;background:var(--surface)}
.intake-ready{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:12px;padding:12px 14px;background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);border-radius:var(--r-sm);font-size:14px;color:var(--fg)}
.intake-ready p{flex:1;min-width:160px}
.intake-composer{display:flex;align-items:flex-end;gap:10px}
.intake-composer textarea{flex:1;font-family:var(--font-body);font-size:15px;padding:11px 14px;border:1px solid var(--border-strong);border-radius:var(--r-md);background:var(--surface);color:var(--fg);min-height:48px;max-height:140px;resize:none;width:100%;line-height:1.4}
.intake-composer textarea:focus-visible{outline:3px solid var(--ring);outline-offset:1px}
.intake-mic{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;flex:none;border-radius:var(--r-md);border:1px solid var(--border-strong);background:var(--surface);color:var(--muted)}
.intake-mic:hover{background:var(--surface-2);color:var(--fg)}
.intake-mic.listening{background:var(--danger-soft);border-color:var(--danger-line);color:var(--danger)}
.intake-mic.listening svg{animation:intakePulse 1.1s infinite ease-in-out}
@keyframes intakePulse{0%,100%{transform:scale(1)}50%{transform:scale(1.16)}}
@media (prefers-reduced-motion:reduce){.intake-mic.listening svg{animation:none}}
.intake-mic svg{width:20px;height:20px}
.intake-send{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;flex:none;border-radius:var(--r-md);border:1px solid transparent;background:var(--accent);color:var(--on-accent)}
.intake-send:hover{background:var(--accent-hover)}
.intake-send:disabled{opacity:.5;cursor:not-allowed}
.intake-send svg{width:20px;height:20px}
.intake-hint{font-size:12px;color:var(--muted);margin-top:8px}
.intake-hint button{background:none;border:none;color:var(--accent-ink);font:inherit;text-decoration:underline;text-underline-offset:3px;padding:0}
.intake-success{text-align:center;padding:20px 8px}
.intake-success .intake-check{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--success-bg);color:var(--success);display:flex;align-items:center;justify-content:center}
.intake-success .intake-check svg{width:30px;height:30px}
.intake-success h3{font-size:20px;margin-bottom:8px}
.intake-success p{color:var(--muted);font-size:15px;line-height:1.6;max-width:340px;margin:0 auto}
/* full-screen sheet on phones */
@media(max-width:600px){
  .intake-overlay{padding:0}
  .intake-dialog{max-width:none;max-height:100dvh;height:100dvh;border-radius:0;border:0}
}

/* consent microcopy under the subscribe form */
.form-consent{font-size:13px;color:var(--muted);line-height:1.55;margin-top:14px;max-width:520px}
.form-consent a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:3px}
.band .form-consent{color:var(--band-muted)}
.band .form-consent a{color:var(--band-accent)}