/* Oddsum public site — landing and legal pages.
   Same palette and fonts as the app (app/index.html), so moving from the
   site into the app feels like one product. Follows the system theme. */

:root{
  color-scheme:light;
  --ground:#EFF0F2; --surface:#FFFFFF; --surface-2:#E9EAEE;
  --ink:#14171A; --muted:#5A6068; --faint:#8D939B;
  --line:#DCDEE2; --line-strong:#C6C9CF;
  --accent:#0F7A43; --accent-soft:#D3EADC; --accent-ink:#0A5730; --on-accent:#FFFFFF;
  --spend:#CF3F27; --spend-soft:#FADFD8; --spend-ink:#A63019;
  --weekend:#A82E20;
  --pos1:#E2F1E8; --pos2:#C6E6D2; --pos3:#A4D7BA;
  --neg1:#FBE7E2; --neg2:#F6CFC6;
  --warn-soft:#FBEFD5; --warn-ink:#7A4B06;
  --radius:13px;
  --shadow:0 1px 2px rgba(18,33,32,.05), 0 10px 24px -20px rgba(18,33,32,.45);
  --display:'Archivo','Karla',system-ui,sans-serif;
  --body:'Karla',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'Roboto Mono',ui-monospace,'SF Mono',Menlo,monospace;
}
@media (prefers-color-scheme: dark){
  :root{
    color-scheme:dark;
    --ground:#121316; --surface:#1A1C20; --surface-2:#23262B;
    --ink:#E6E8EC; --muted:#9AA0A8; --faint:#787E86;
    --line:#2A2E34; --line-strong:#3C424A;
    --accent:#33AC73; --accent-soft:#15382A; --accent-ink:#A8E8C4; --on-accent:#072014;
    --spend:#E05C43; --spend-soft:#3D211B; --spend-ink:#F79885;
    --weekend:#F28E79;
    --pos1:#182E24; --pos2:#1C4331; --pos3:#215A40;
    --neg1:#301E1A; --neg2:#452622;
    --warn-soft:#3A2D12; --warn-ink:#F2C879;
    --shadow:0 1px 2px rgba(0,0,0,.45), 0 12px 28px -22px rgba(0,0,0,.95);
  }
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--ground);color:var(--ink);
  font:16px/1.6 var(--body);-webkit-font-smoothing:antialiased;
}
a{color:var(--accent-ink)}
@media (prefers-color-scheme: dark){a{color:var(--accent)}}
img,svg{max-width:100%}
h1,h2,h3{font-family:var(--display);line-height:1.15;margin:0;letter-spacing:-.01em}
p{margin:0}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--surface);padding:8px 12px;border-radius:8px;z-index:10}
.skip:focus{left:16px}

.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
@media (min-width:720px){.wrap{padding:0 28px}}

/* ---------- header ---------- */
header.top{border-bottom:1px solid var(--line);background:var(--surface)}
header.top .wrap{display:flex;align-items:center;gap:18px;min-height:62px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink)}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--accent)}
.brand b{font-family:var(--display);font-size:19px;font-weight:800}
header.top nav{display:none;gap:4px;margin-left:8px}
header.top nav a{color:var(--muted);text-decoration:none;font-weight:500;padding:7px 11px;border-radius:9px}
header.top nav a:hover{color:var(--ink);background:var(--surface-2)}
header.top .cta{margin-left:auto}
@media (min-width:760px){header.top nav{display:flex}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font:600 15px/1 var(--body);text-decoration:none;cursor:pointer;
  padding:12px 18px;border-radius:11px;border:1px solid transparent;
  background:var(--accent);color:var(--on-accent);white-space:nowrap;
}
.btn:hover{filter:brightness(1.07)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn.ghost:hover{background:var(--surface-2);filter:none}
.btn.small{padding:9px 14px;font-size:14px}
.btn.block{width:100%}

/* ---------- hero ---------- */
.hero{padding:56px 0 40px}
.hero .wrap{display:grid;gap:40px;align-items:center}
@media (min-width:900px){.hero .wrap{grid-template-columns:1.05fr .95fr}.hero{padding:84px 0 64px}}
.eyebrow{font:600 13px/1 var(--mono);color:var(--accent-ink);letter-spacing:.02em;margin-bottom:16px}
@media (prefers-color-scheme: dark){.eyebrow{color:var(--accent)}}
.hero h1{font-size:clamp(34px,6vw,54px);font-weight:800}
.hero .lede{font-size:18px;color:var(--muted);margin-top:18px;max-width:34em}
.hero .actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.hero .fine{font-size:13.5px;color:var(--faint);margin-top:14px}

/* the product mock: real numbers, drawn in HTML so it stays sharp and themed */
.mock{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:18px}
.mock .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tile{border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.tile .lab{font:600 11px/1 var(--mono);color:var(--faint);letter-spacing:.06em;text-transform:uppercase}
.tile .big{font:700 26px/1.1 var(--mono);margin-top:8px}
.tile .delta{display:inline-block;font:600 12px/1 var(--mono);margin-top:8px;padding:4px 7px;border-radius:6px;background:var(--accent-soft);color:var(--accent-ink)}
.cal{margin-top:12px;border:1px solid var(--line);border-radius:12px;padding:12px}
.cal .head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}
.cal .head b{font-family:var(--display);font-size:15px}
.cal .head span{font:500 12px/1 var(--mono);color:var(--muted)}
.cal .grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.cal .dow{font:600 10.5px/1 var(--mono);color:var(--faint);text-align:center;padding-bottom:4px}
.cal .dow.we{color:var(--weekend)}
.cal .d{aspect-ratio:1/1;border-radius:7px;padding:4px 5px;background:var(--surface-2);display:flex;flex-direction:column;justify-content:space-between;min-width:0}
.cal .d i{font:600 10px/1 var(--mono);font-style:normal;color:var(--muted)}
.cal .d.we i{color:var(--weekend)}
.cal .d s{text-decoration:none;font:700 10.5px/1.15 var(--mono);display:block;overflow:hidden;white-space:nowrap}
.cal .d .in{color:var(--accent-ink)} .cal .d .out{color:var(--spend-ink)}
@media (prefers-color-scheme: dark){.cal .d .in{color:var(--accent-ink)} .cal .d .out{color:var(--spend-ink)}}
.cal .p1{background:var(--pos1)} .cal .p2{background:var(--pos2)} .cal .p3{background:var(--pos3)}
.cal .n1{background:var(--neg1)} .cal .n2{background:var(--neg2)}
.cal .empty{background:transparent}
@media (max-width:420px){.cal .d s{font-size:9px}.tile .big{font-size:22px}}

/* ---------- sections ---------- */
section.band{padding:56px 0;border-top:1px solid var(--line)}
@media (min-width:900px){section.band{padding:80px 0}}
.section-head{max-width:40em;margin-bottom:32px}
.section-head h2{font-size:clamp(26px,4vw,36px);font-weight:800}
.section-head p{color:var(--muted);margin-top:12px;font-size:17px}

.steps{display:grid;gap:14px;counter-reset:step}
@media (min-width:760px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;counter-increment:step}
.step::before{content:counter(step);display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--accent-soft);color:var(--accent-ink);font:700 14px/1 var(--mono);margin-bottom:14px}
.step h3{font-size:18px}
.step p{color:var(--muted);margin-top:8px}

.features{display:grid;gap:14px}
@media (min-width:640px){.features{grid-template-columns:repeat(2,1fr)}}
@media (min-width:960px){.features{grid-template-columns:repeat(3,1fr)}}
.feature{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.feature h3{font-size:17px}
.feature p{color:var(--muted);margin-top:8px;font-size:15.5px}
.feature .mark{width:30px;height:30px;border-radius:9px;background:var(--surface-2);display:grid;place-items:center;margin-bottom:14px;color:var(--accent-ink)}
@media (prefers-color-scheme: dark){.feature .mark{color:var(--accent)}}

/* ---------- pricing ---------- */
.plans{display:grid;gap:14px;align-items:stretch}
@media (min-width:860px){.plans{grid-template-columns:repeat(3,1fr)}}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column}
.plan.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset, var(--shadow)}
.plan .tag{align-self:flex-start;font:600 11.5px/1 var(--mono);padding:5px 8px;border-radius:6px;background:var(--surface-2);color:var(--muted);margin-bottom:14px}
.plan.featured .tag{background:var(--accent-soft);color:var(--accent-ink)}
.plan .tag.offer{background:var(--warn-soft);color:var(--warn-ink)}
.plan h3{font-size:20px}
.plan .price{margin-top:12px;display:flex;align-items:baseline;gap:6px}
.plan .price b{font:700 38px/1 var(--mono)}
.plan .price span{color:var(--muted)}
.plan .sub{color:var(--muted);margin-top:8px;font-size:15px;min-height:3em}
.plan ul{list-style:none;padding:0;margin:18px 0 22px;display:grid;gap:9px;font-size:15.5px}
.plan li{display:flex;gap:9px;align-items:flex-start}
/* The tick is a mask filled with the accent, so it follows the theme instead
   of baking one green into an image. */
.plan li::before{
  content:"";flex:none;width:16px;height:16px;margin-top:4px;background:var(--accent);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.4l2.9 2.9 6.1-6.3' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.4l2.9 2.9 6.1-6.3' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat;
}
.plan .go{margin-top:auto}
.plans-note{color:var(--muted);font-size:14px;margin-top:18px;max-width:52em}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:10px;max-width:780px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:0 18px}
.faq summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:600;font-size:16.5px;display:flex;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:600 20px/1 var(--mono);color:var(--muted)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);padding:0 0 16px}

/* ---------- closing CTA ---------- */
.closing{text-align:center}
.closing h2{font-size:clamp(26px,4vw,36px);font-weight:800}
.closing p{color:var(--muted);margin:12px auto 26px;max-width:32em}

/* ---------- footer ---------- */
footer.bottom{border-top:1px solid var(--line);background:var(--surface);padding:28px 0;font-size:14px;color:var(--muted)}
footer.bottom .wrap{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center}
footer.bottom nav{display:flex;flex-wrap:wrap;gap:6px 18px}
footer.bottom a{color:var(--muted)}
footer.bottom a:hover{color:var(--ink)}
footer.bottom .right{margin-left:auto}

/* ---------- legal documents ---------- */
.doc{max-width:760px;margin:0 auto;padding:44px 16px 64px}
@media (min-width:720px){.doc{padding:60px 28px 80px}}
.doc h1{font-size:clamp(30px,5vw,40px);font-weight:800}
.doc .meta{color:var(--faint);font:500 13.5px/1.4 var(--mono);margin-top:10px}
.doc h2{font-size:21px;margin:36px 0 10px}
.doc h3{font-size:17px;margin:22px 0 6px;font-family:var(--body);font-weight:700}
.doc p,.doc li{color:var(--ink);font-size:16.5px}
.doc p{margin:10px 0}
.doc ul{padding-left:22px;margin:10px 0}
.doc li{margin:6px 0}
.doc .summary{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:6px 20px;margin-top:26px}
.doc table{width:100%;border-collapse:collapse;font-size:15px;margin:12px 0;display:block;overflow-x:auto}
.doc th,.doc td{text-align:left;border-bottom:1px solid var(--line);padding:9px 10px 9px 0;vertical-align:top}
.doc th{font-weight:700}
.fill{background:var(--warn-soft);color:var(--warn-ink);padding:0 4px;border-radius:4px;font-family:var(--mono);font-size:.9em}
.draft{background:var(--warn-soft);color:var(--warn-ink);border-bottom:1px solid var(--line);font-size:14px;padding:10px 0}
.draft .wrap{display:flex;gap:10px;align-items:center}

/* ---------- screenshots ---------- */
/* Each shot exists in light and dark; <picture> serves the one matching the
   visitor's theme. Card shots were taken on the page's own ground colour, so
   they sit on the page without a frame. */
.tour{display:grid;gap:30px}
.shot{margin:0;min-width:0}
.shot figcaption{color:var(--muted);font-size:15.5px;margin:0 0 12px;max-width:40em}
.shot figcaption b{color:var(--ink);font-weight:700;margin-right:4px}
.shot img{display:block;width:100%;height:auto}
.window{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.window .bar{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1px solid var(--line)}
.window .bar i{width:10px;height:10px;border-radius:50%;background:var(--line-strong)}
.window .bar span{margin-left:10px;font:500 12px/1 var(--mono);color:var(--faint)}
.shots{display:grid;gap:30px 22px}
@media (min-width:760px){.shots{grid-template-columns:1fr 1fr;align-items:start}}
.phone{max-width:270px;margin:0 auto;border:9px solid #0E0F11;border-radius:38px;overflow:hidden;box-shadow:0 0 0 1px var(--line-strong), var(--shadow)}
/* The day-by-day chart is wide: at half width its labels would be too small to read. */
@media (min-width:760px){.shot.wide{grid-column:1/-1}.shot.tall{grid-row:span 2}}
.shot.center figcaption{text-align:center;margin-left:auto;margin-right:auto}