/* setqnh.ch – QNH GmbH. Self-hosted fonts (SIL OFL), no third-party requests. */

@font-face { font-family: "Space Grotesk"; src: url(fonts/space-grotesk-latin-500-normal.woff2) format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Space Grotesk"; src: url(fonts/space-grotesk-latin-700-normal.woff2) format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url(fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url(fonts/ibm-plex-sans-latin-400-italic.woff2) format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url(fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url(fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url(fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2"); font-weight: 500; font-display: swap; }

:root {
  /* chart paper, ink, one instrument-teal accent */
  --paper: #f6f4ef;
  --ink: #102a43;
  --ink-soft: #486581;
  --rule: #d9d4c7;
  --accent: #0b7285;
  --accent-light: #99e9f2;

  --display: "Space Grotesk", "Segoe UI", Arial, sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", Arial, sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;

  --gutter: clamp(16px, 5vw, 64px);
  --max: 1120px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: var(--gutter); top: 8px; background: var(--ink); color: var(--paper); padding: 8px 12px; z-index: 10; }

/* ---- header / footer ---- */
.site-head, main, .site-foot { max-width: var(--max); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.site-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 24px; padding-bottom: 24px; flex-wrap: wrap; }
.brand img { display: block; height: 52px; width: auto; }
.site-head nav { display: flex; gap: clamp(14px, 3vw, 32px); font: 500 15px/1 var(--display); letter-spacing: 0.01em; }
.site-head nav a { color: var(--ink); text-decoration: none; padding: 12px 0; }
.site-head nav a:hover { color: var(--accent); }
.site-head nav .lang { color: var(--ink-soft); font-family: var(--mono); font-size: 13px; font-weight: 400; }

.site-foot { width: calc(100% - 2 * var(--gutter)); max-width: calc(var(--max) - 2 * var(--gutter)); padding: 28px 0 40px; border-top: 1px solid var(--rule); display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; font-size: 14px; color: var(--ink-soft); }
.site-foot p { margin: 0; }
.site-foot a { color: var(--ink-soft); }

/* ---- type ---- */
h1, h2, h3 { font-family: var(--display); font-weight: 700; color: var(--ink); }
h1 { font-size: clamp(40px, 7vw, 76px); line-height: 1.02; letter-spacing: -0.025em; margin: 0 0 24px; }
.eyebrow, .section-label, .app-status, figcaption, .fine { font-family: var(--mono); }
.eyebrow { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin: 0 0 20px; }
.lead { font-size: clamp(18px, 2vw, 21px); line-height: 1.55; color: var(--ink-soft); max-width: 34em; margin: 0 0 28px; }
.section-label { font-size: 13px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); margin: 0; }
.fine { font-size: 13px; color: var(--ink-soft); }

.arrow-link { font: 500 17px/1 var(--display); color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 2px solid var(--accent); }
.arrow-link::after { content: "→"; color: var(--accent); transition: transform 0.2s ease; }
.arrow-link:hover::after { transform: translateX(4px); }

/* ---- hero ---- */
.hero { display: grid; gap: 48px; padding: clamp(32px, 8vw, 96px) 0 clamp(56px, 10vw, 120px); }
.hero-scale { margin: 0; }
.hero-scale figcaption { font-size: 13px; color: var(--ink-soft); text-align: center; margin-top: 6px; }
@media (min-width: 900px) {
  .hero { grid-template-columns: 7fr 5fr; align-items: center; }
  .hero-scale { padding-left: 24px; border-left: 1px solid var(--rule); }
}

.scale { width: 100%; max-width: 460px; display: block; margin: 0 auto; overflow: visible; }
.scale line { stroke: var(--ink); stroke-width: 1.5; }
.scale line.major { stroke-width: 2.5; }
.scale line.base { stroke: var(--rule); stroke-width: 1; }
.scale text { font-family: var(--mono); font-size: 13px; fill: var(--ink-soft); text-anchor: middle; }
.scale .scale-label { font-size: 11px; letter-spacing: 0.2em; fill: var(--accent); font-weight: 500; }
.scale .scale-unit { font-size: 11px; letter-spacing: 0.1em; }
.scale .index { fill: var(--accent); }
.scale .window { fill: var(--paper); stroke: var(--accent); stroke-width: 2; }
.scale .window-value { font-family: var(--mono); font-size: 21px; font-weight: 500; fill: var(--ink); }
.scale .tape { animation: set-qnh 1.8s cubic-bezier(0.2, 0.7, 0.2, 1) 0.3s both; }
@keyframes set-qnh { from { transform: translateX(120px); } to { transform: none; } }
@media (prefers-reduced-motion: reduce) { .scale .tape { animation: none; } }

/* ---- sections ---- */
.apps, .about, .contact { border-top: 1px solid var(--ink); padding: 28px 0 clamp(56px, 9vw, 104px); display: grid; gap: 24px; }
@media (min-width: 900px) {
  .apps, .about, .contact { grid-template-columns: 3fr 9fr; gap: 32px; }
  .apps .fine { grid-column: 2; }
}

.app-list { list-style: none; margin: 0; padding: 0; }
.app { display: grid; gap: 4px 32px; padding: 0 0 32px; margin-bottom: 32px; border-bottom: 1px solid var(--rule); }
.app:last-child { border-bottom: 0; margin-bottom: 0; }
.app h3 { font-size: clamp(30px, 4vw, 44px); line-height: 1.05; letter-spacing: -0.02em; margin: 0; }
.app-status { font-size: 13px; color: var(--accent); margin: 0 0 8px; }
.app-text { margin: 0 0 12px; max-width: 32em; }
.app .arrow-link { justify-self: start; }

@media (min-width: 700px) {
  .app { grid-template-columns: minmax(200px, 5fr) 7fr; }
  .app h3 { grid-row: span 3; }
  .app-status { align-self: end; }
}

.about-text { max-width: 38em; }
.about-text p { margin: 0 0 18px; }
.about-first { font: 500 clamp(22px, 2.6vw, 28px)/1.35 var(--display); letter-spacing: -0.01em; color: var(--ink); }

.contact p { margin: 0 0 12px; color: var(--ink-soft); }
.mail { font: 700 clamp(26px, 4.4vw, 48px)/1.15 var(--display); letter-spacing: -0.02em; color: var(--ink); text-decoration-color: var(--accent); text-decoration-thickness: 3px; text-underline-offset: 8px; overflow-wrap: anywhere; }
.mail:hover { color: var(--accent); }

/* ---- legal pages, 404 ---- */
.doc { max-width: 40em; padding: clamp(24px, 6vw, 64px) 0 80px; }
.doc h1 { font-size: clamp(36px, 6vw, 56px); }
.doc h2 { font-size: 20px; margin: 32px 0 6px; }
.doc p { margin: 0 0 14px; }

.lost { min-height: 80vh; display: flex; flex-direction: column; justify-content: center; }
.lost h1 { max-width: 12em; }