/* RingToPaid marketing site. Same type and colors as the Speak-to-Invoice app. */
:root{
  --bg:#F3F5F6; --surface:#FFFFFF; --ink:#16212B; --muted:#5B6773; --line:#D5DCE1;
  --accent:#1F5FBF; --accent-ink:#FFFFFF; --amber:#F2B233; --amber-ink:#3A2A00; --band:#16212B; --band-ink:#F3F5F6; --band-muted:#AEB9C4;
  --tag:#FFF4CC; --tag-ink:#4A3A00;
  --f-display:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --f-body:"Source Sans 3","Segoe UI",Roboto,Arial,sans-serif;
  --f-num:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#0F151B; --surface:#17202A; --ink:#E7ECF0; --muted:#9AA7B3; --line:#2B3744;
  --accent:#6EA2F0; --accent-ink:#0B1420; --band:#0A0F14; --band-ink:#E7ECF0; --band-muted:#8D9AA6;
  --tag:#3A3110; --tag-ink:#F7E7A6; color-scheme:dark } }
:root[data-theme="dark"]{
  --bg:#0F151B; --surface:#17202A; --ink:#E7ECF0; --muted:#9AA7B3; --line:#2B3744;
  --accent:#6EA2F0; --accent-ink:#0B1420; --band:#0A0F14; --band-ink:#E7ECF0; --band-muted:#8D9AA6;
  --tag:#3A3110; --tag-ink:#F7E7A6; color-scheme:dark }

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.55}
a{color:var(--accent)}
img,svg{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 max(16px,env(safe-area-inset-left,0px))}
.narrow{max-width:760px}
h1,h2,h3{font-family:var(--f-display);font-weight:700;line-height:1.05;letter-spacing:.005em;margin:0 0 .4em}
h1{font-size:clamp(44px,8vw,84px);text-transform:uppercase}
h2{font-size:clamp(32px,5vw,48px);text-transform:uppercase}
h3{font-size:26px}
p{margin:0 0 1em}
.lead{font-size:clamp(18px,2.2vw,21px);color:var(--muted);max-width:40em}
.eyebrow{font-family:var(--f-num);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.muted{color:var(--muted)}
.small{font-size:15px}

/* Header */
.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.top .wrap{display:grid;grid-template-columns:auto 1fr auto;grid-template-areas:"logo links cta";align-items:center;gap:8px 24px;min-height:60px;padding-block:8px}
.logo{grid-area:logo;display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--f-display);font-weight:700;font-size:26px;letter-spacing:.01em}
.logo img{width:30px;height:30px}
.mainnav{grid-area:links;justify-self:end;display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px 20px}
.mainnav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:16px}
.mainnav a:hover{color:var(--accent)}
.top .btn.sm{grid-area:cta}
@media (max-width:760px){
  .top .wrap{grid-template-columns:1fr auto;grid-template-areas:"logo cta" "links links";padding-block:10px 8px}
  .mainnav{gap:4px 18px}
  .mainnav a{font-size:15px}
}
@media (max-width:420px){
  .mainnav{gap:4px 14px}
  .mainnav a{font-size:14px}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 20px;border-radius:10px;border:2px solid var(--accent);background:var(--accent);color:var(--accent-ink);font:700 17px var(--f-body);text-decoration:none;cursor:pointer;text-align:center}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--accent)}
.btn.sm{min-height:40px;padding:6px 14px;font-size:15px}
.btn:focus-visible,a:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* Sections */
section{padding:72px 0}
section.tight{padding:48px 0}
.hero{padding:64px 0 56px}
.band{background:var(--band);color:var(--band-ink)}
.band .muted,.band .lead{color:var(--band-muted)}
.band a:not(.btn){color:var(--amber)}
.band ul.checks li::before{border-color:var(--amber)}
.band .price .amt small,.band .fine p{color:var(--band-muted)}

/* Demo call card */
.callcard{margin-top:32px;display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;background:var(--surface);border:1px solid var(--line);border-left:6px solid var(--amber);border-radius:14px;padding:20px 22px;max-width:640px}
.callcard .ic{width:52px;height:52px;border-radius:50%;background:var(--amber);display:grid;place-items:center;color:var(--amber-ink)}
.callcard .num{font-family:var(--f-num);font-weight:500;font-size:clamp(24px,4.5vw,32px);color:var(--ink);text-decoration:none;white-space:nowrap}
.callcard .num:hover{color:var(--accent)}
@media (max-width:480px){.callcard{grid-template-columns:1fr}.callcard .ic{display:none}}

/* Grids & cards */
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:860px){.g3,.g2{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px}
.band .card{background:color-mix(in srgb,var(--band-ink) 6%,transparent);border-color:color-mix(in srgb,var(--band-ink) 16%,transparent)}
.step{font-family:var(--f-num);font-size:14px;color:var(--accent);font-weight:500;margin-bottom:6px}
.band .step{color:var(--amber)}
ul.checks{list-style:none;padding:0;margin:0}
ul.checks li{position:relative;padding-left:28px;margin:0 0 10px}
ul.checks li::before{content:"";position:absolute;left:4px;top:.5em;width:11px;height:6px;border-left:3px solid var(--accent);border-bottom:3px solid var(--accent);transform:rotate(-45deg)}
ul.nos li::before{border:0;width:12px;height:3px;top:.7em;background:var(--muted);transform:none}
.tag{display:inline-block;font-family:var(--f-num);font-size:12px;letter-spacing:.04em;padding:2px 8px;border-radius:6px;background:var(--tag);color:var(--tag-ink);vertical-align:middle;margin-left:6px}

/* Pricing */
.price{display:flex;flex-direction:column}
.price .amt{font-family:var(--f-display);font-weight:700;font-size:54px;line-height:1}
.price .amt small{font-family:var(--f-body);font-size:17px;font-weight:600;color:var(--muted)}
.price.feature{border:2px solid var(--accent);position:relative}
.price.feature::before{content:"Most contractors";position:absolute;top:-13px;left:20px;background:var(--accent);color:var(--accent-ink);font:700 13px var(--f-body);padding:3px 10px;border-radius:6px}
.price ul{margin:18px 0 22px;flex:1}
.fine{margin-top:28px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 32px}
@media (max-width:760px){.fine{grid-template-columns:1fr}}
.fine p{margin:0;font-size:15px;color:var(--muted)}

/* Founder */
.quote{font-family:var(--f-display);font-weight:600;font-size:clamp(26px,3.6vw,36px);line-height:1.15;margin:0 0 18px}

/* FAQ */
details{border-bottom:1px solid var(--line);padding:16px 0}
summary{cursor:pointer;font-weight:700;font-size:19px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--f-num);color:var(--accent);font-size:22px;line-height:1}
details[open] summary::after{content:"–"}
details p{margin:10px 0 0;color:var(--muted)}

/* Tables (partners) */
table{width:100%;border-collapse:collapse;margin:8px 0 16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
th{font-size:14px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
td.n{font-family:var(--f-num)}

/* Prose pages */
.prose h2{font-size:30px;margin-top:40px}
.prose ul{padding-left:22px}
.prose li{margin-bottom:6px}

footer{border-top:1px solid var(--line);padding:32px 0 48px;color:var(--muted);font-size:15px}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between}
footer nav{display:flex;flex-wrap:wrap;gap:12px 20px}
footer a{color:var(--muted)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.top a.btn{color:var(--accent-ink)}
section[id]{scroll-margin-top:96px}
@media (max-width:374px){.mainnav{gap:4px 10px}.mainnav a{font-size:13px}}
.faqgroup{margin:36px 0 4px;color:var(--accent)}
.addon{margin-top:20px;display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:28px;align-items:start;border-top:4px solid var(--amber)}
.addon .amt{font-family:var(--f-display);font-weight:700;font-size:48px;line-height:1}
.addon .amt small{font-family:var(--f-body);font-size:17px;font-weight:600;color:var(--band-muted)}
.band .addon .small{color:var(--band-muted)}
@media (max-width:860px){.addon{grid-template-columns:1fr;gap:8px}}