/* Qonfluens — one stylesheet for the whole site */

@font-face {
  font-family: "Jost";
  src: url("fonts/jost-latin.woff2") format("woff2");
  font-weight: 300 700;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/jetbrains-mono-latin.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

:root {
  --deep: #0C3542;      /* brand deep teal */
  --teal: #135568;      /* brand teal */
  --mint: #8ECBB4;      /* brand mint */
  --sea: #208A8B;       /* brand sea green */
  --bg: #FFFFFF;
  --bg-soft: #EEF2F1;
  --ink: #0C3542;
  --ink-soft: #46606A;
  --line: #D6E0DE;
  --link: #135568;
  --card: #FFFFFF;
  --maxw: 1040px;
  --textw: 680px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0A2731;
    --bg-soft: #0C3542;
    --ink: #E8F1EF;
    --ink-soft: #A9BFC0;
    --line: #1F4A57;
    --link: #8ECBB4;
    --card: #0E3240;
  }
}

* { 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(--bg);
  color: var(--ink);
  font-family: "Jost", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--mint); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--bg); padding: 8px 12px; z-index: 10; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; flex-wrap: wrap; }
.brand img { display: block; height: 32px; width: auto; }
.nav { display: flex; gap: 24px; flex-wrap: wrap; font-size: 16px; }
.nav a { color: var(--ink); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--link); text-decoration: underline; }

/* Hero */
.hero { background: var(--deep); color: #FFFFFF; }
.hero .wrap { display: grid; grid-template-columns: 1fr 210px; gap: 48px; align-items: center; padding-top: 80px; padding-bottom: 80px; }
.hero h1 { font-size: clamp(32px, 5vw, 48px); line-height: 1.15; font-weight: 500; margin: 12px 0 20px; }
.hero p { color: #D4E6E2; max-width: var(--textw); margin: 0 0 32px; }
.hero .monogram { width: 210px; height: 210px; justify-self: end; }
.hero .hero-note { font-size: 15px; border-left: 2px solid var(--mint); padding-left: 16px; margin-bottom: 0; }
.hero .hero-note a { color: var(--mint); }
.tagline { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 15px; color: var(--mint); margin: 0; }
@media (max-width: 720px) {
  .hero .wrap { grid-template-columns: 1fr; padding-top: 56px; padding-bottom: 56px; }
  .hero .monogram { display: none; }
}

/* Buttons */
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 8px; font-weight: 500; font-size: 16px; text-decoration: none; min-height: 44px; }
.btn-primary { background: var(--mint); color: var(--deep); }
.btn-primary:hover { background: #A6D8C5; }
.btn-ghost { border: 1px solid rgba(255, 255, 255, 0.5); color: #FFFFFF; }
.btn-ghost:hover { border-color: #FFFFFF; }
.btn-line { border: 1px solid var(--line); color: var(--ink); }
.btn-line:hover { border-color: var(--link); color: var(--link); }

/* Sections */
section { padding: 72px 0; }
section + section { border-top: 1px solid var(--line); }
.soft { background: var(--bg-soft); }
.label { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--teal); margin: 0 0 8px; }
@media (prefers-color-scheme: dark) { .label { color: var(--mint); } }
h2 { font-size: 32px; line-height: 1.2; font-weight: 500; margin: 0 0 16px; }
h3 { font-size: 21px; line-height: 1.3; font-weight: 600; margin: 0 0 8px; }
.lead { color: var(--ink-soft); max-width: var(--textw); margin: 0 0 40px; }
.muted { color: var(--ink-soft); }
.small { font-size: 15px; }

.grid { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
.card p { margin: 0 0 12px; }
.card p:last-child { margin-bottom: 0; }
.card .eg { font-size: 15px; color: var(--ink-soft); }

/* Lab catalog */
.group { margin-bottom: 56px; }
.group:last-child { margin-bottom: 0; }
.group > p { color: var(--ink-soft); max-width: var(--textw); margin: 0 0 24px; }
.app { display: flex; flex-direction: column; gap: 12px; }
.app-head { display: flex; gap: 16px; align-items: center; }
.app-head img { width: 56px; height: 48px; object-fit: contain; flex: none; background: #FFFFFF; border-radius: 8px; padding: 4px; }
.app-head h3 { margin: 0; }
.app p { margin: 0; }
.app .tg { font-size: 15px; color: var(--ink-soft); }
.app .links { margin-top: auto; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; font-size: 16px; }
.tag { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 12px; border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; color: var(--ink-soft); }

/* Plain text pages */
.prose { max-width: var(--textw); }
.prose h2 { font-size: 24px; margin-top: 40px; }
.prose dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 24px; margin: 0; }
.prose dt { color: var(--ink-soft); }
.prose dd { margin: 0; }
@media (max-width: 560px) { .prose dl { grid-template-columns: 1fr; } .prose dd { margin-bottom: 8px; } }

/* About, with the river photo */
.about { display: grid; grid-template-columns: 1fr 420px; gap: 48px; align-items: center; }
.about-photo { margin: 0; }
.about-photo img { display: block; width: 100%; border-radius: 12px; }
.about-photo figcaption { font-size: 14px; color: var(--ink-soft); margin-top: 8px; }
@media (max-width: 860px) { .about { grid-template-columns: 1fr; gap: 24px; } .about-photo { max-width: 520px; } }

/* Contact + footer */
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; font-size: 20px; }
.site-footer { border-top: 1px solid var(--line); padding: 32px 0; font-size: 15px; color: var(--ink-soft); }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer a { color: var(--ink-soft); }