:root{
  --bg:#F3F7F7;--surface:#FFFFFF;--band-warm:#F4F1E8;
  --amber:#F28D20;--jade:#00695E;--jade-deep:#004E45;--jade-tint:#C7E2D8;
  --ink:#1C1C1A;--text:#3A3A38;--text-secondary:#6A6A66;--line:#D6E1DE;
  --font:'Mulish',system-ui,-apple-system,'Segoe UI',sans-serif;
  --display:clamp(2.5rem,4.4vw,4rem);--h2:clamp(1.875rem,3.2vw,3rem);
  --container:1200px;--gutter:clamp(24px,4vw,40px);--radius:6px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:1.125rem;line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:var(--jade);text-underline-offset:3px}
a:hover{color:var(--jade-deep)}
:focus-visible{outline:2px solid var(--jade);outline-offset:2px}
h1,h2,h3{color:var(--ink);margin:0}
strong{color:var(--ink)}
.wrap{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}

/* header */
.top{position:sticky;top:0;z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800;font-size:1.125rem}
.brand svg{width:28px;height:28px;flex:none}
.brand:hover{color:var(--ink)}
.nav{display:flex;gap:24px;margin-left:auto}
.nav a{color:var(--text);text-decoration:none;font-weight:700}
.nav a:hover{color:var(--ink)}
.top .btn{padding:10px 18px;min-height:44px}
@media (max-width:760px){.nav{display:none}.top .btn{margin-left:auto}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:12px 24px;border-radius:var(--radius);
  font:700 1.125rem/1.2 var(--font);text-decoration:none;border:0;cursor:pointer;transition:background .15s ease}
.btn-primary{background:var(--jade);color:#F4F1E8}
.btn-primary:hover{background:var(--jade-deep);color:#F4F1E8}
.link-strong{font-weight:700}

/* sections */
section{padding:96px 0;border-top:1px solid var(--line)}
section.alt{background:var(--surface)}
.eyebrow{font-size:.875rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-secondary);margin:0 0 16px}
.eyebrow.jade{color:var(--jade)}
h2{font-size:var(--h2);line-height:1.1;letter-spacing:-.02em;font-weight:800;max-width:20ch}
.split{display:grid;gap:32px}
@media (min-width:960px){.split{grid-template-columns:1fr 1fr;gap:64px}}
.lead{font-size:1.375rem;line-height:1.5;margin:0;max-width:52ch}
.body p{margin:0 0 16px;max-width:65ch}

/* hero */
.hero{border-top:0;padding:80px 0 96px}
.hero .wrap{display:grid;gap:48px;align-items:center}
@media (min-width:960px){.hero .wrap{grid-template-columns:5fr 6fr}}
.hero h1{font-size:var(--display);line-height:1.08;letter-spacing:-.03em;font-weight:800;margin:0 0 24px;max-width:15ch}
.hero .lead{margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px}
.shot{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}

/* frame items */
.tones{display:grid;gap:24px;margin-top:48px}
@media (min-width:760px){.tones{grid-template-columns:repeat(3,1fr)}}
.tone{border-top:4px solid var(--line);padding-top:20px}
.tone.agent{border-color:var(--jade)}
.tone.human{border-color:var(--amber)}
.tone p{margin:0}

/* room walkthrough */
.steps{margin-top:64px;display:grid;gap:80px}
.step{display:grid;gap:24px;align-items:center}
@media (min-width:960px){.step{grid-template-columns:5fr 7fr;gap:64px}}
.num{display:inline-flex;width:32px;height:32px;border-radius:50%;background:var(--jade);color:#F4F1E8;
  align-items:center;justify-content:center;font-weight:800;font-size:.875rem;margin-bottom:16px}
.step h3{font-size:1.75rem;line-height:1.2;letter-spacing:-.02em;font-weight:800;margin-bottom:12px}
.step p{margin:0}
.frame{position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.frame .spot{position:absolute;border:2px solid var(--jade);border-radius:var(--radius);box-shadow:0 0 0 2000px rgba(28,28,26,.18);pointer-events:none}
.frame .pin{position:absolute;transform:translate(-50%,-50%);width:26px;height:26px;border-radius:50%;background:var(--jade);
  color:#F4F1E8;font-size:.875rem;font-weight:800;display:flex;align-items:center;justify-content:center;border:2px solid #FFFFFF}
.frame .m{display:none}
@media (max-width:759px){.frame .d{display:none}.frame .m{display:block}}
.caption{font-size:.875rem;color:var(--text-secondary);margin:16px 0 0;max-width:65ch}

/* start */
.cards{display:grid;gap:24px;margin-top:48px}
@media (min-width:760px){.cards{grid-template-columns:repeat(2,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.card ol,.card ul{margin:0;padding-left:22px}
.card li{margin:0 0 12px}
.card li:last-child{margin:0}

/* faq */
.faq{display:grid;gap:0;margin-top:48px;max-width:860px}
.faq details{border-top:1px solid var(--line);padding:4px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;font-weight:700;color:var(--ink);padding:16px 32px 16px 0;position:relative;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;font-size:1.5rem;color:var(--jade);font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 16px;max-width:65ch}

/* closing */
.closing{background:var(--jade);border-top:0}
.closing h2,.closing p{color:#F4F1E8}
.closing .lead{margin:24px 0 32px}
.btn-on-dark{background:#F4F1E8;color:var(--ink)}
.btn-on-dark:hover{background:#FFFFFF;color:var(--ink)}

/* footer */
.foot{padding:40px 0 56px;font-size:.875rem;color:var(--text-secondary)}
.foot .wrap{display:flex;flex-wrap:wrap;gap:12px 32px;justify-content:space-between}
.foot a{color:var(--text-secondary)}
.foot a:hover{color:var(--ink)}

/* use cases */
.usecases{display:grid;gap:24px;margin-top:48px}
@media (min-width:960px){.usecases{grid-template-columns:repeat(3,1fr)}}
.uc{background:var(--bg);border-radius:var(--radius);padding:32px}
.uc h3{font-size:1.5rem;line-height:1.2;letter-spacing:-.02em;font-weight:800;margin:0 0 16px}
.uc p{margin:0 0 12px}
.uc p:last-child{margin:0}
.uc .eyebrow{margin-bottom:12px}

/* doors */
.doors{list-style:none;padding:0!important;margin:0}
.doors li{padding:12px 0;border-top:1px solid var(--line);margin:0!important}
.doors li:last-child{border-bottom:1px solid var(--line)}
.doors span{display:block;font-size:1rem;color:var(--text-secondary)}
.btn-secondary{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--jade)}
.btn-secondary:hover{color:var(--jade-deep);box-shadow:inset 0 0 0 1.5px var(--jade-deep)}
.brand,.top .btn{white-space:nowrap}
@media (max-width:420px){.brand{font-size:1rem;gap:8px}.brand svg{width:22px;height:22px}.top .btn{padding:8px 14px;font-size:1rem}.top .wrap{gap:12px}}

/* beta line under the hero buttons */
.beta{margin:24px 0 0;font-size:1rem;color:var(--text-secondary)}

/* phone-format mockups: one image at every width, so a frame is never half empty */
.frame.phone{max-width:390px;width:100%;margin-inline:auto}
.frame.phone img{width:100%}

/* AI agents */
.body .lead{margin-bottom:24px}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px;padding:0}
.chips li{border:1.5px solid var(--jade);border-radius:var(--radius);padding:8px 16px;font-weight:800;color:var(--ink);background:var(--bg)}

/* coming soon */
.soon{display:grid;gap:40px 32px;margin-top:56px}
@media (min-width:760px){.soon{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1100px){.soon{grid-template-columns:repeat(3,1fr)}}
.soon-item h3{font-size:1.375rem;line-height:1.2;letter-spacing:-.02em;font-weight:800;margin:6px 0 8px}
.soon-item p{margin:0}
.soon-item .frame img{width:100%;opacity:.72}
.soon-plain{aspect-ratio:1520/950;border:1px dashed var(--jade);border-radius:var(--radius);background:var(--jade-tint);
  display:flex;align-items:center;justify-content:center}
.soon-plain span{font-weight:800;font-size:1.25rem;letter-spacing:.12em;text-transform:uppercase;color:var(--jade-deep)}
.tag-soon{margin:16px 0 0!important;font-size:.8125rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--jade)}

/* trademark line */
.foot .marks{flex-basis:100%;margin:8px 0 0;max-width:90ch}

/* who is in the room: people in amber, AI agents in jade, as in the application */
.cast{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 32px}
.cast .who{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;font-size:.8125rem;font-weight:800;color:var(--ink)}
.cast .who.h{background:var(--amber)}
.cast .who.a{background:var(--jade-tint);color:var(--jade)}
.cast .who.a:first-of-type,.cast .who.h + .who.a{margin-left:8px}
.cast .count{flex-basis:100%;margin-top:6px;font-size:1rem;color:var(--text-secondary)}
.hero .lead{margin-bottom:24px}