/* =========================================================
   Meyer Solutions
   Flat dark, editorial grid. No gradients, no glow, no shadows.
   Blue is used for links and markers only.
   ========================================================= */

:root{
  --bg:#0b0b0c;
  --ink:#ececea;
  --muted:#8f8f8b;
  --dim:#63635f;
  --line:#212124;
  --line-2:#2e2e32;
  --blue:#5b8cff;
  --blue-solid:#2f5fe0;
  --wrap:1240px;

  --sans:Archivo,"Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;scroll-padding-top:72px}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

a{color:inherit}
p{margin:0}
ul,ol,dl{margin:0;padding:0;list-style:none}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 40px;width:100%}

.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--ink);color:var(--bg);padding:12px 18px;font-weight:600}
.skip:focus{left:0}

:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

/* ---------- Type ---------- */

h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.035em;line-height:1.04}

h1{
  font-size:clamp(38px,6.2vw,82px);
  font-weight:600;
  letter-spacing:-.045em;
  line-height:.99;
  max-width:19ch;
}

h2{font-size:clamp(26px,3.1vw,40px);letter-spacing:-.04em}

h3{font-size:17px;font-weight:600;letter-spacing:-.02em;line-height:1.3}

.meta{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0;
  color:var(--dim);
  line-height:1.5;
}
.meta .sep{margin:0 8px;color:var(--line-2)}

/* ---------- Top bar ---------- */

.bar{
  position:sticky;top:0;z-index:40;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.bar-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:64px}

.brand{
  font-size:15px;font-weight:600;letter-spacing:-.02em;text-decoration:none;white-space:nowrap;
}

.links{display:flex;gap:26px;font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.links a{text-decoration:none;padding:2px 0;border-bottom:1px solid transparent}
.links a:hover{color:var(--ink);border-bottom-color:var(--blue)}

.bar-right{display:flex;align-items:center;gap:16px}

.lang{display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:12.5px;color:var(--line-2)}
.lang button{
  border:0;background:none;font:inherit;color:var(--dim);cursor:pointer;padding:0;
  border-bottom:1px solid transparent;
}
.lang button:hover{color:var(--ink)}
.lang button.on{color:var(--ink);border-bottom-color:var(--blue)}

.menu-toggle{display:none}

/* ---------- Hero ---------- */

.hero{padding:110px 0 96px;border-bottom:1px solid var(--line)}
.hero-meta{margin-bottom:38px}
.hero-meta span:not(.sep){white-space:nowrap}
.hero h1{margin-bottom:64px}

.hero-foot{
  display:grid;grid-template-columns:1fr auto;gap:56px;align-items:end;
  padding-top:32px;border-top:1px solid var(--line);
}
.hero-text{color:var(--muted);max-width:52ch;font-size:17px}

.hero-action{display:flex;flex-direction:column;align-items:flex-start;gap:12px}

.btn{
  display:inline-block;background:var(--blue-solid);color:#fff;
  font-size:15px;font-weight:600;letter-spacing:-.01em;text-decoration:none;
  padding:13px 24px;border-radius:2px;
  transition:background .15s linear;
}
.btn:hover{background:#3a6bf0}

/* ---------- Blocks ---------- */

.block{border-bottom:1px solid var(--line)}
.block-inner{display:grid;grid-template-columns:200px 1fr;gap:48px;padding:88px 40px}
.block-side{position:sticky;top:96px;align-self:start}
.block-body > h2{margin-bottom:28px}
.block-lead{color:var(--muted);font-size:17px;max-width:58ch;margin-bottom:48px}
.block-body > h2:last-of-type + .fields,
.block-body > h2 + .principles,
.block-body > h2 + .qa,
.block-body > h2 + .about,
.block-body > h2 + .two,
.block-body > h2 + .empty{margin-top:44px}

/* ---------- Fields we build in ---------- */

.fields{border-top:1px solid var(--line)}

.fields li{
  display:grid;grid-template-columns:290px 1fr;gap:32px;align-items:start;
  padding:24px 0;border-bottom:1px solid var(--line);
  position:relative;transition:padding-left .18s ease;
}
.fields li::before{
  content:"";position:absolute;left:-16px;top:24px;bottom:24px;width:2px;background:var(--blue);
  opacity:0;transition:opacity .18s linear;
}
.fields li:hover::before{opacity:1}
.fields li:hover{padding-left:6px}
.fields p{color:var(--muted);font-size:15.5px;max-width:58ch}

/* ---------- Principles ---------- */

.principles{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line)}
.principles li{padding:28px 0 32px;border-bottom:1px solid var(--line)}
.principles li:nth-child(odd){border-right:1px solid var(--line);padding-right:44px}
.principles li:nth-child(even){padding-left:44px}
.principles li:nth-last-child(-n+2){border-bottom:0}
.principles h3{margin-bottom:10px}
.principles p{color:var(--muted);font-size:15.5px;max-width:44ch}

/* ---------- Empty product state ---------- */

.empty{border-top:1px solid var(--line);padding-top:28px;max-width:56ch}
.empty p{color:var(--muted);font-size:16.5px;margin-bottom:16px}
.empty p:last-child{margin-bottom:0;color:var(--dim)}

/* ---------- Product list (for later) ---------- */

.products{border-top:1px solid var(--line)}
.products li{
  display:grid;grid-template-columns:220px 150px 1fr 110px;gap:24px;align-items:baseline;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.p-name{font-size:17px;font-weight:600;letter-spacing:-.02em}
.p-kind{font-family:var(--mono);font-size:12px;color:var(--blue)}
.p-note{color:var(--muted);font-size:15.5px}
.p-status{font-family:var(--mono);font-size:12px;color:var(--dim);text-align:right}

/* ---------- Two column text ---------- */

.two{display:grid;grid-template-columns:repeat(2,1fr);gap:48px;border-top:1px solid var(--line);padding-top:28px}
.two p{color:var(--muted);font-size:16.5px;max-width:46ch}

/* ---------- About ---------- */

.about{display:grid;grid-template-columns:1fr 300px;gap:64px;align-items:start}
.about-text p{color:var(--muted);font-size:16.5px;max-width:54ch;margin-bottom:18px}
.about-text p:last-child{margin-bottom:0}

.facts{border-top:1px solid var(--line)}
.facts > div{padding:16px 0;border-bottom:1px solid var(--line)}
.facts dt{font-family:var(--mono);font-size:11.5px;color:var(--dim);margin-bottom:5px}
.facts dd{margin:0;font-size:15px;font-weight:500}
.facts a{color:var(--blue);text-decoration:none;word-break:break-all}
.facts a:hover{text-decoration:underline}

/* ---------- Questions ---------- */

.qa{border-top:1px solid var(--line);max-width:820px}
.qa details{border-bottom:1px solid var(--line)}
.qa summary{
  list-style:none;cursor:pointer;position:relative;
  padding:22px 44px 22px 0;
  font-size:17px;font-weight:500;letter-spacing:-.02em;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary:hover{color:var(--blue)}
.qa summary::after{
  content:"+";position:absolute;right:6px;top:20px;
  font-family:var(--mono);font-size:17px;color:var(--dim);font-weight:400;
}
.qa details[open] summary::after{content:"−";color:var(--blue)}
.qa details p{color:var(--muted);font-size:15.5px;max-width:62ch;padding:0 40px 24px 0;margin-top:-4px}

/* ---------- Contact ---------- */

.contact{padding:112px 0 104px;border-bottom:1px solid var(--line)}
.contact .meta{margin-bottom:32px}
.contact h2{margin-bottom:26px}

.mail{
  display:inline-block;font-size:clamp(18px,2.2vw,27px);font-weight:500;letter-spacing:-.03em;
  color:var(--blue);text-decoration:none;
  border-bottom:1px solid var(--line-2);padding-bottom:5px;
  transition:border-color .15s linear;
}
.mail:hover{border-bottom-color:var(--blue)}

.contact-note{margin-top:32px;color:var(--muted);max-width:44ch;font-size:16px}

/* ---------- Footer ---------- */

.foot{padding:26px 0}
.foot-inner{
  display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;
  font-family:var(--mono);font-size:12px;color:var(--dim);
}
.foot a{color:var(--muted);text-decoration:none}
.foot a:hover{color:var(--blue)}

/* ---------- Responsive ---------- */

@media (max-width:1040px){
  .block-inner{grid-template-columns:1fr;gap:24px;padding:72px 40px}
  .block-side{position:static}
  .fields li{grid-template-columns:240px 1fr;gap:24px}
  .about{grid-template-columns:1fr;gap:40px}
  .facts{max-width:420px}
  .products li{grid-template-columns:1fr 140px;row-gap:8px}
  .p-note{grid-column:1 / -1}
  .p-status{text-align:left}
}

@media (max-width:760px){
  .wrap{padding:0 20px}
  .block-inner{padding:56px 20px}

  .links{
    position:fixed;inset:64px 0 auto 0;flex-direction:column;gap:0;
    background:var(--bg);border-bottom:1px solid var(--line);padding:4px 20px 18px;display:none;
  }
  .links.open{display:flex}
  .links a{padding:14px 0;border-bottom:1px solid var(--line);font-size:14px;width:100%}
  .menu-toggle{
    display:flex;flex-direction:column;justify-content:center;gap:4px;
    width:30px;height:30px;background:none;border:0;cursor:pointer;padding:0;
  }
  .menu-toggle span{display:block;width:18px;height:1px;background:var(--ink)}
  .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}

  .hero{padding:64px 0 56px}
  .hero h1{margin-bottom:40px}
  .hero-foot{grid-template-columns:1fr;gap:32px;align-items:start}

  .fields li{grid-template-columns:1fr;gap:8px}
  .fields li:hover{padding-left:0}
  .fields li::before{display:none}

  .principles{grid-template-columns:1fr}
  .principles li,.principles li:nth-child(odd),.principles li:nth-child(even){padding:24px 0;border-right:0}
  .principles li:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .principles li:last-child{border-bottom:0}

  .two{grid-template-columns:1fr;gap:20px}

  .products li{grid-template-columns:1fr;row-gap:6px}
  .p-status{text-align:left}

  .contact{padding:72px 0}
  .foot-inner{flex-direction:column;gap:8px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important}
}