/* Klync Software studio site. Its own look: neutral, type-led, monochrome
   with one signal colour. App pages (/colorcircuit/ …) carry their own CSS. */
:root {
  --bg: #FAFAF7;
  --bg-2: #F0F0EA;
  --fg: #0E0E10;
  --fg-2: #5B5B63;
  --line: #E2E2DA;
  --signal: #FF5A36;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0C0C0E;
    --bg-2: #16161A;
    --fg: #F4F4F0;
    --fg-2: #A0A0A8;
    --line: #26262C;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.6 ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: inherit; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

header { position: sticky; top: 0; z-index: 2; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; letter-spacing: -.01em; font-size: 18px; }
.logo .mark { width: 28px; height: 28px; border-radius: 8px; background: var(--fg); color: var(--bg); display: grid; place-items: center; font-weight: 800; font-size: 16px; position: relative; }
.logo .mark::after { content: ""; position: absolute; right: -3px; top: -3px; width: 9px; height: 9px; border-radius: 50%; background: var(--signal); border: 2px solid var(--bg); }
nav a { text-decoration: none; color: var(--fg-2); margin-left: 22px; font-size: 15px; }
nav a:hover { color: var(--fg); }

.hero { padding-top: 120px; padding-bottom: 96px; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-2); margin: 0 0 20px; }
.hero h1 { font-size: clamp(44px, 9vw, 96px); line-height: .98; letter-spacing: -.045em; margin: 0; font-weight: 800; max-width: 12ch; }
.hero h1 .dot { color: var(--signal); }
.hero p { font-size: clamp(18px, 2.4vw, 22px); color: var(--fg-2); max-width: 46ch; margin: 28px 0 0; }

section { padding: 72px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-2); margin: 0 0 28px; }

.apps { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.app { display: flex; flex-direction: column; gap: 18px; padding: 24px; border-radius: 24px; background: var(--bg-2); border: 1px solid var(--line); text-decoration: none; transition: transform .2s ease, border-color .2s ease; }
.app:hover { transform: translateY(-3px); border-color: var(--fg-2); }
.app img { width: 72px; height: 72px; object-fit: cover; border-radius: 17px; }
.app h3 { margin: 0; font-size: 22px; letter-spacing: -.01em; }
.app p { margin: 4px 0 0; color: var(--fg-2); font-size: 16px; }
.app .status { margin-top: auto; font-size: 13px; font-weight: 600; color: var(--fg-2); display: flex; align-items: center; gap: 8px; }
.app .status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--signal); }
.app.placeholder { justify-content: center; align-items: flex-start; border-style: dashed; background: transparent; }
.app.placeholder p { margin: 0; }

.principles { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 32px; }
.principles h3 { font-size: 20px; margin: 0 0 8px; letter-spacing: -.01em; }
.principles p { margin: 0; color: var(--fg-2); }
.principles .n { font-size: 14px; font-weight: 700; color: var(--signal); margin-bottom: 10px; display: block; }

.contact p { font-size: clamp(22px, 3.4vw, 34px); letter-spacing: -.02em; margin: 0; max-width: 24ch; line-height: 1.25; }
.contact a { text-decoration-color: var(--signal); text-underline-offset: 6px; text-decoration-thickness: 3px; }

footer { border-top: 1px solid var(--line); padding: 28px 0 48px; color: var(--fg-2); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
footer a { color: var(--fg-2); }

.doc { padding: 72px 0 24px; max-width: 720px; }
.doc h1 { font-size: clamp(32px, 6vw, 52px); letter-spacing: -.035em; margin: 0 0 8px; line-height: 1.05; }
.doc .meta { color: var(--fg-2); margin: 0 0 32px; }
.doc h2 { font-size: 20px; text-transform: none; letter-spacing: -.01em; color: var(--fg); margin: 36px 0 8px; }
.doc a { color: var(--fg); text-decoration-color: var(--signal); }

@media (max-width: 560px) {
  nav a { margin-left: 14px; }
  .hero { padding-top: 72px; padding-bottom: 64px; }
  section { padding: 56px 0; }
}
@media (prefers-reduced-motion: reduce) { .app { transition: none; } }