/* OGNOTO.net — Gestaltung nach der OTONGO-Familie.
   Papier, Petrol, Türkis, Pappnase. Ruhig im Ton, hart in der Prüfung. */

@font-face {
  font-family: "Quicksand";
  src: url("fonts/Quicksand-Light.ttf") format("truetype");
  font-weight: 300; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Quicksand";
  src: url("fonts/Quicksand-Regular.ttf") format("truetype");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Quicksand";
  src: url("fonts/Quicksand-Bold.ttf") format("truetype");
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Antropos";
  src: url("fonts/antropos.ttf") format("truetype");
  font-weight: 400; font-style: normal; font-display: swap;
}

:root {
  color-scheme: light;
  --otongo-petrol: #264653;
  --otongo-turquoise: #2a9d8f;
  --otongo-anthracite: #2d3436;
  --otongo-offwhite: #fafaf7;
  --otongo-pappnase: #d32f2f;

  --bg: var(--otongo-offwhite);
  --paper: #ffffff;
  --surface: #f2f1ea;
  --surface-2: #ebe9df;
  --text: #242b2d;
  --heading: var(--otongo-petrol);
  --muted: #5c6b6e;
  --line: rgba(38, 70, 83, .14);
  --line-strong: rgba(38, 70, 83, .26);
  --accent: var(--otongo-pappnase);
  --accent-2: var(--otongo-turquoise);

  --font-body: "Quicksand", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Antropos", "Quicksand", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --max: 70rem;
  --radius: 1.15rem;
  --shadow: 0 1px 2px rgba(38, 70, 83, .05), 0 10px 30px -18px rgba(38, 70, 83, .28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 88% -6%, rgba(42, 157, 143, .10), transparent 26rem),
    radial-gradient(circle at 6% 2%, rgba(211, 47, 47, .05), transparent 22rem),
    var(--bg);
  color: var(--text);
  font: 400 16px/1.7 var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection { background: rgba(42, 157, 143, .22); color: var(--otongo-petrol); }

a { color: var(--otongo-petrol); text-decoration: underline; text-decoration-thickness: .08em; text-underline-offset: .18em; text-decoration-color: rgba(42, 157, 143, .55); }
a:hover { color: var(--accent); text-decoration-color: currentColor; }
a:focus-visible { outline: 3px solid var(--accent-2); outline-offset: .2rem; border-radius: .18rem; }

code, pre, kbd { font-family: var(--font-mono); font-size: .92em; }
code { background: rgba(38, 70, 83, .06); border-radius: .3rem; padding: .1em .35em; color: var(--otongo-petrol); }

/* Kopf */

.site-header {
  position: sticky; top: 0; z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(250, 250, 247, .88);
  backdrop-filter: saturate(140%) blur(12px);
}
.nav {
  align-items: center; display: flex; flex-wrap: wrap; gap: .7rem 1.4rem;
  justify-content: space-between; margin: 0 auto; max-width: 82rem;
  padding: .95rem 1.25rem;
}
.brand {
  color: var(--heading); font-family: var(--font-display); font-size: 1.32rem;
  font-weight: 400; letter-spacing: .07em; line-height: 1; text-decoration: none;
}
.brand:hover { color: var(--heading); }
.brand-dot { color: var(--accent); }
.nav-links { display: flex; flex-wrap: wrap; gap: .5rem 1.35rem; }
.nav-links a {
  color: var(--muted); font-size: .95rem; font-weight: 700; letter-spacing: .01em;
  text-decoration: none; padding: .2rem 0; border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: var(--heading); border-bottom-color: var(--accent-2); }
.nav-links a[aria-current="page"] { color: var(--heading); border-bottom-color: var(--accent); }

/* Flächen */

.wrap, .page { margin: 0 auto; max-width: var(--max); padding: 4rem 1.25rem; }
.page { max-width: 56rem; }
.hero { min-height: 70vh; display: grid; align-content: center; padding-top: 6rem; padding-bottom: 6rem; }

.eyebrow {
  color: var(--accent); display: inline-block; font-family: var(--font-display);
  font-size: .82rem; font-weight: 400; letter-spacing: .16em; line-height: 1.3;
  margin: 0 0 .6rem; text-transform: uppercase;
}
.eyebrow a { color: inherit; text-decoration: none; border-bottom: 1px solid rgba(211, 47, 47, .3); }

h1, h2, h3, h4 { color: var(--heading); font-family: var(--font-body); font-weight: 700; line-height: 1.14; letter-spacing: -.02em; }
h1 { font-size: clamp(2.5rem, 6.4vw, 4.4rem); margin: .3rem 0 1.2rem; max-width: 17ch; }
h2 { font-size: clamp(1.55rem, 3.2vw, 2.15rem); margin: 2.6rem 0 .9rem; }
h3 { font-size: 1.22rem; margin: 1.8rem 0 .5rem; }
h2 a, h3 a { text-decoration: none; }
h2 a:hover, h3 a:hover { text-decoration: underline; text-decoration-color: var(--accent-2); }
p { margin: 0 0 1.1em; }
ul, ol { padding-left: 1.35rem; }
li { margin-bottom: .35rem; }

.lede { color: var(--muted); font-size: clamp(1.12rem, 2.2vw, 1.34rem); font-weight: 400; line-height: 1.62; max-width: 44rem; }
.meta, .muted { color: var(--muted); }
.meta { font-size: .9rem; }

.grid { display: grid; gap: 1.1rem; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}
.card h2, .card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

.pill {
  border: 1px solid rgba(42, 157, 143, .45); border-radius: 999px;
  color: #1d7a70; display: inline-block; font-size: .82rem; font-weight: 700;
  letter-spacing: .04em; padding: .2rem .7rem;
}

.note {
  background: rgba(211, 47, 47, .045);
  border: 1px solid rgba(211, 47, 47, .16);
  border-left: 4px solid var(--accent);
  border-radius: .5rem;
  padding: .95rem 1.1rem;
}
.note p:last-child { margin-bottom: 0; }

.legal h2 { font-size: 1.35rem; margin-top: 2.4rem; }
.legal ul { padding-left: 1.3rem; }
.legal p, .legal li { color: #37403f; }

/* Knöpfe */

.button {
  background: var(--paper);
  border: 1.5px solid var(--otongo-petrol);
  border-radius: 999px;
  color: var(--otongo-petrol);
  cursor: pointer;
  display: inline-block;
  font: 700 .95rem/1.2 var(--font-body);
  padding: .62rem 1.05rem;
  text-decoration: none;
  transition: background .18s ease, border-color .18s ease, color .18s ease, transform .12s ease;
}
.button:hover, .button:focus-visible {
  background: rgba(38, 70, 83, .07); border-color: var(--otongo-petrol);
  color: var(--otongo-petrol); transform: translateY(-1px);
}
.button:active { transform: translateY(0); }
.button-primary { background: var(--otongo-petrol); border-color: var(--otongo-petrol); color: #fff; }
.button-primary:hover, .button-primary:focus-visible { background: #1b3641; border-color: #1b3641; color: #fff; }

/* Labor */

.lab-teaser { align-items: center; display: grid; gap: 2rem; grid-template-columns: minmax(12rem, .8fr) minmax(18rem, 1.2fr); }
.lab-intro h2 { margin-bottom: .7rem; }
.lab-page h1 { max-width: 15ch; }

.lab-console, .lab-workbench {
  background:
    linear-gradient(rgba(42, 157, 143, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 157, 143, .045) 1px, transparent 1px),
    var(--paper);
  background-size: 2rem 2rem, 2rem 2rem, auto;
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}
.lab-console { min-height: 20rem; padding: 1.25rem; }
.lab-workbench { margin: 2.6rem 0; padding: clamp(1.15rem, 3vw, 2rem); }
.lab-console > *, .lab-workbench > * { position: relative; z-index: 1; }

.lab-console-top {
  align-items: center; color: var(--muted); display: flex; font: 400 .72rem/1.3 var(--font-mono);
  gap: .55rem; letter-spacing: .06em; text-transform: uppercase;
}
.lab-console-top time { margin-left: auto; }

.status-dot {
  background: var(--accent-2); border-radius: 50%;
  box-shadow: 0 0 0 .25rem rgba(42, 157, 143, .13);
  display: inline-block; height: .55rem; width: .55rem;
}

.signal-core {
  align-items: center;
  background: radial-gradient(circle at 32% 26%, #4fbfaf 0, var(--accent-2) 48%, #1d7a70 100%);
  border: 6px solid rgba(42, 157, 143, .16);
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(42, 157, 143, .35), 0 10px 30px -14px rgba(38, 70, 83, .55);
  display: flex; height: 10rem; justify-content: center; margin: 1.6rem auto 1rem; width: 10rem;
}
.signal-core span {
  color: #fff; font: 700 .78rem/1 var(--font-mono);
  letter-spacing: .18em; margin-left: .18em; text-shadow: 0 1px 1px rgba(15, 63, 68, .4);
}
.signal-core.is-thinking { animation: signal-pulse 1.2s ease-out; }
.signal-core-small { flex: 0 0 5rem; height: 5rem; margin: 0; width: 5rem; }
.signal-core-small span { font-size: .55rem; }

.lab-result { background: var(--surface); border: 1px solid var(--line); border-radius: .85rem; padding: .9rem 1.05rem; }
.lab-result-label {
  color: #1d7a70; display: inline-block; font: 700 .68rem/1.2 var(--font-mono);
  letter-spacing: .12em; text-transform: uppercase;
}
.lab-result p { margin: .5rem 0 0; }
.lab-result-large { margin-top: 1.4rem; min-height: 7rem; }
.lab-console-foot { margin-top: 1.1rem; }
.lab-workbench-head { align-items: flex-start; display: flex; gap: 1rem; justify-content: space-between; }
.lab-workbench-head h2 { margin: .5rem 0 1.5rem; }

.lab-controls { display: grid; gap: 1rem; margin: 0 0 1.4rem; }
.lab-controls fieldset { border: 1px solid var(--line); border-radius: .9rem; margin: 0; min-width: 0; padding: .9rem; }
.lab-controls legend { color: var(--muted); font-size: .86rem; font-weight: 700; padding: 0 .35rem; }
.choice-options { display: flex; flex-wrap: wrap; gap: .5rem; }
.choice-button {
  background: var(--paper); border: 1.5px solid var(--line-strong); border-radius: 999px;
  color: var(--muted); cursor: pointer; font: 600 .9rem/1.2 var(--font-body); padding: .5rem .85rem;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.choice-button:hover, .choice-button:focus-visible { border-color: var(--accent-2); color: var(--heading); }
.choice-button.is-active { background: rgba(42, 157, 143, .13); border-color: var(--accent-2); color: #145f57; }

.kp-label { color: var(--muted); display: block; font-size: .86rem; font-weight: 700; margin: .2rem 0 .4rem; }
.kp-input {
  background: var(--paper); border: 1.5px solid var(--line-strong); border-radius: .8rem;
  color: var(--text); font: 400 .86rem/1.6 var(--font-mono); padding: .8rem .9rem;
  resize: vertical; width: 100%;
}
.kp-input:focus-visible { border-color: var(--accent-2); outline: 2px solid rgba(42, 157, 143, .35); outline-offset: 1px; }
.kp-actions { align-items: center; display: flex; flex-wrap: wrap; gap: .6rem; margin: 1rem 0; }
.kp-status { color: var(--muted); font: 400 .82rem/1.3 var(--font-mono); margin-left: auto; }
.kp-output { max-height: 26rem; overflow: auto; }

.cp-block {
  background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent-2);
  border-radius: .6rem; color: #1f3d47; font-size: .82rem; line-height: 1.65;
  overflow-x: auto; padding: 1rem 1.1rem;
}
.cp-block code { background: none; color: inherit; padding: 0; }

.signalprint-card { border-top: 4px solid var(--accent-2); }

/* Journal: das Register */

.journal-list {
  border-top: 2px solid var(--heading);
  list-style: none;
  margin: 2.4rem 0 2rem;
  padding: 0;
}
.journal-entry {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: .35rem 1.8rem;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  padding: 1.25rem .2rem;
  transition: background .18s ease;
}
.journal-entry:hover { background: rgba(42, 157, 143, .04); }
.journal-entry time {
  color: var(--muted);
  font: 400 .76rem/1.6 var(--font-mono);
  letter-spacing: .02em;
  padding-top: .28rem;
}
.journal-entry > a {
  color: var(--heading);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.4;
  text-decoration: none;
}
.journal-entry > a:hover { color: var(--accent); }
.journal-entry p {
  color: var(--muted);
  font-size: .94rem;
  grid-column: 2;
  line-height: 1.6;
  margin: 0;
}
@media (max-width: 42rem) {
  .journal-entry { gap: .2rem; grid-template-columns: 1fr; padding: 1.1rem 0; }
  .journal-entry p { grid-column: 1; }
}

/* Wer: das Gesicht */

.portrait {
  align-items: center;
  display: flex;
  gap: 1.1rem;
  margin: 2rem 0 2.6rem;
}
.portrait img {
  border: 3px solid var(--paper);
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--line), var(--shadow);
  height: 5.5rem;
  object-fit: cover;
  width: 5.5rem;
}
.portrait figcaption { color: var(--muted); font-size: .86rem; line-height: 1.5; }
.portrait strong { color: var(--heading); display: block; font-size: 1rem; }

/* Fuß */

footer { border-top: 1px solid var(--line); color: var(--muted); margin-top: 3rem; }
.footer-inner { margin: 0 auto; max-width: var(--max); padding: 2.2rem 1.25rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: .8rem 1.3rem; }
.footer-links a { color: var(--muted); font-size: .92rem; text-decoration: none; }
.footer-links a:hover { color: var(--heading); text-decoration: underline; text-decoration-color: var(--accent-2); }

@keyframes signal-pulse {
  0% { filter: brightness(1); transform: scale(1); }
  35% { filter: brightness(1.18); transform: scale(1.1); }
  100% { filter: brightness(1); transform: scale(1); }
}

@media (max-width: 52rem) {
  .lab-teaser { grid-template-columns: 1fr; }
}
@media (max-width: 42rem) {
  .nav { align-items: flex-start; flex-direction: column; gap: .5rem; }
  .nav-links { gap: .35rem 1.1rem; }
  .hero { min-height: auto; padding-top: 4rem; padding-bottom: 4rem; }
  .wrap, .page { padding: 2.6rem 1.1rem; }
  h1 { max-width: none; }
  .lab-workbench-head { flex-direction: column-reverse; }
  .kp-status { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .signal-core.is-thinking { animation: none; }
  .button:hover { transform: none; }
}