/* Сайт компании Rivo Labs LLC (rivo.day). Статика без сборки и JS.
   Палитра — из продукта Rivo (apps/site в rivo.day/me), чтобы компания и продукт читались одним брендом.
   Шрифты (OFL) — свои копии из @fontsource в /fonts, без внешних CDN. */
@font-face{font-family:"Bricolage Grotesque";font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/bricolage-grotesque-latin-700-normal.woff2) format("woff2");}
@font-face{font-family:"Bricolage Grotesque";font-style:normal;font-weight:800;font-display:swap;src:url(/fonts/bricolage-grotesque-latin-800-normal.woff2) format("woff2");}
@font-face{font-family:Manrope;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/manrope-latin-400-normal.woff2) format("woff2");}
@font-face{font-family:Manrope;font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/manrope-latin-500-normal.woff2) format("woff2");}
@font-face{font-family:Manrope;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/manrope-latin-700-normal.woff2) format("woff2");}

:root{
  --bg:#F5F0EA;--bg-alt:#EFE8DF;--card:#FFFFFF;--ink:#1A1410;--muted:#6F645C;--c2:#5E554C;
  --coral:#C93A15;--coral-ink:#FFFFFF;--border:#E4DACE;
  --t-rivo:#E8431C;--t-ai:#1A1410;--t-ino:#2F6B4F;
  --display:"Bricolage Grotesque",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --text:Manrope,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#14100E;--bg-alt:#1A1512;--card:#1E1815;--ink:#F3EDE6;--muted:#9A8E84;--c2:#C2B6AB;
    --coral:#FF5B33;--coral-ink:#14100E;--border:#2E2620;
    --t-rivo:#FF5B33;--t-ai:#3A302A;--t-ino:#3E8A66;
    color-scheme:dark;
  }
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body{margin:0;}
body{
  background:var(--bg);color:var(--ink);
  font:16px/1.6 var(--text);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;}
h1,h2,h3{font-family:var(--display);letter-spacing:-.02em;margin:0;}
p{margin:0;}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 24px;}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:var(--bg);padding:8px 12px;border-radius:8px;z-index:10;}
.skip:focus{left:8px;}
:focus-visible{outline:2px solid var(--coral);outline-offset:3px;border-radius:6px;}

/* шапка */
.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);
  -webkit-backdrop-filter:saturate(1.4) blur(12px);backdrop-filter:saturate(1.4) blur(12px);
  border-bottom:1px solid transparent;}
.top-row{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;text-decoration:none;font-family:var(--display);font-weight:800;font-size:19px;letter-spacing:-.01em;}
.mark{width:28px;height:28px;flex:none;}
.mark rect{fill:var(--ink);} .mark circle{fill:var(--coral);}
.nav{display:flex;gap:28px;font-size:15px;font-weight:500;}
.nav a{text-decoration:none;color:var(--c2);}
.nav a:hover{color:var(--ink);}

/* первый экран */
.hero{padding:96px 0 104px;}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--coral);margin-bottom:20px;}
.hero h1{font-size:clamp(40px,6.6vw,80px);line-height:1.02;font-weight:800;max-width:15ch;}
.dot{color:var(--coral);}
.lead{margin-top:28px;font-size:clamp(18px,2vw,21px);line-height:1.55;color:var(--c2);max-width:44ch;}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px;}
.btn{display:inline-flex;align-items:center;justify-content:center;height:50px;padding:0 24px;border-radius:999px;
  font-weight:700;font-size:16px;text-decoration:none;transition:transform .15s,background-color .15s,border-color .15s;}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--coral);color:var(--coral-ink);}
.btn-ghost{border:1px solid var(--border);background:var(--card);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-lg{height:58px;padding:0 32px;font-size:18px;}

/* секции */
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 24px;margin-bottom:40px;}
.section-head h2,.company h2,.contact h2{font-size:clamp(32px,4.4vw,48px);line-height:1.08;font-weight:800;}
.section-head p{color:var(--c2);font-size:17px;}

/* продукты */
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.product{display:flex;flex-direction:column;gap:14px;padding:28px;background:var(--card);border:1px solid var(--border);border-radius:22px;
  transition:border-color .15s,transform .15s;}
.product:hover{border-color:var(--coral);transform:translateY(-2px);}
.product-top{display:flex;align-items:center;gap:14px;margin-bottom:6px;}
.tile{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;flex:none;
  font-family:var(--display);font-weight:800;font-size:22px;color:#fff;}
.tile-rivo{background:var(--t-rivo);} .tile-ai{background:var(--t-ai);} .tile-ino{background:var(--t-ino);}
.product h3{font-size:24px;line-height:1.1;font-weight:800;}
.host{font-size:14px;color:var(--coral);text-decoration:none;}
.host:hover{text-decoration:underline;}
.product-line{font-weight:700;font-size:17px;line-height:1.4;}
.product p:not(.product-line){color:var(--c2);font-size:15.5px;}
.tags{list-style:none;padding:0;margin:4px 0 0;display:flex;flex-wrap:wrap;gap:6px;}
.tags li{font-size:13px;font-weight:500;padding:4px 10px;border-radius:999px;background:var(--bg);border:1px solid var(--border);color:var(--c2);}
.more{margin-top:auto;padding-top:10px;font-weight:700;text-decoration:none;}
.more:hover{color:var(--coral);}

/* что делаем */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;}
.pillar{border-top:2px solid var(--ink);padding-top:22px;}
.pillar h3{font-size:22px;line-height:1.2;font-weight:700;margin-bottom:12px;}
.pillar p{color:var(--c2);}

/* компания */
.company{display:grid;grid-template-columns:1.3fr 1fr;gap:56px;align-items:start;}
.about{margin-top:24px;font-size:18px;line-height:1.65;color:var(--c2);max-width:56ch;}
.facts{margin:0;background:var(--card);border:1px solid var(--border);border-radius:22px;padding:8px 28px;}
.facts div{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--border);}
.facts div:last-child{border-bottom:0;}
.facts dt{color:var(--muted);font-size:14px;padding-top:2px;}
.facts dd{margin:0;font-weight:500;}
.facts a{color:var(--coral);text-decoration:none;}

/* контакты */
.contact{text-align:center;background:var(--ink);color:var(--bg);}
.contact p{margin:20px auto 36px;max-width:46ch;font-size:18px;opacity:.75;}
@media (prefers-color-scheme: dark){ .contact{background:var(--card);color:var(--ink);} }

/* юридические страницы */
.legal{padding:64px 0 96px;}
.legal .wrap{max-width:760px;}
.legal h1{font-size:clamp(36px,5vw,56px);line-height:1.05;font-weight:800;margin-bottom:12px;}
.legal h2{font-size:24px;line-height:1.25;font-weight:700;margin:44px 0 12px;}
.legal h3{font-size:19px;line-height:1.3;font-weight:700;margin:28px 0 10px;}
.legal p,.legal li{color:var(--c2);}
.legal p{margin:0 0 14px;}
.legal ul{padding-left:22px;margin:0 0 14px;}
.legal li{margin-bottom:8px;}
.legal strong{color:var(--ink);}
.legal a{color:var(--coral);}

/* подвал */
.foot{padding:32px 0 40px;font-size:14px;color:var(--muted);}
.foot-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;}
.foot a{text-decoration:none;}
.foot a:hover{color:var(--ink);}

@media (max-width: 960px){
  .products{grid-template-columns:1fr;}
  .pillars{grid-template-columns:1fr;gap:32px;}
  .company{grid-template-columns:1fr;gap:32px;}
}
@media (max-width: 600px){
  .wrap{padding:0 16px;}
  .nav{gap:16px;font-size:14px;}
  .nav a[href$="#company"]{display:none;}
  .hero{padding:56px 0 72px;}
  .section{padding:64px 0;}
  .product{padding:22px;}
  .facts{padding:4px 20px;}
  .facts div{grid-template-columns:1fr;gap:4px;}
  .btn{width:100%;}
  .contact .btn{width:auto;max-width:100%;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .btn,.product{transition:none;}
  .btn:hover,.product:hover{transform:none;}
}