/* Kokosnusspflücker-Zertifizierung — Bundesamt für Aussteigerqualifikationen */

@font-face {
  font-family: 'Fraunces';
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/fraunces-italic-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/fraunces-normal-600.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/plexsans-400.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/plexmono-400.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/plexmono-500.woff2') format('woff2');
}

:root {
  --ink: #16212c;
  --paper: #f3eee1;
  --surface: #faf7ef;
  --text: #16212c;
  --text-muted: #5b6b77;
  --brass: #a47b2b;
  --stamp: #a13d2e;
  --border: rgba(22, 33, 44, 0.18);
  --border-strong: rgba(22, 33, 44, 0.32);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --paper: #10171f;
    --surface: #1b2530;
    --text: #ede7d6;
    --text-muted: #8b98a3;
    --brass: #c99a3d;
    --stamp: #c2503d;
    --border: rgba(237, 231, 214, 0.16);
    --border-strong: rgba(237, 231, 214, 0.32);
  }
}
:root[data-theme='dark'] {
  --paper: #10171f;
  --surface: #1b2530;
  --text: #ede7d6;
  --text-muted: #8b98a3;
  --brass: #c99a3d;
  --stamp: #c2503d;
  --border: rgba(237, 231, 214, 0.16);
  --border-strong: rgba(237, 231, 214, 0.32);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--border);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.masthead strong {
  color: var(--text);
  font-weight: 500;
}
.masthead .ref {
  font-variant-numeric: tabular-nums;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(1.5rem, 5vw, 3.5rem) clamp(1rem, 4vw, 2rem) 5rem;
}

.screen { display: none; }
.screen.active { display: block; animation: fade-in 0.35s ease both; }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .screen.active { animation: none; }
}

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 0.9rem;
}

h1 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 2.9rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 1.1rem;
  text-wrap: balance;
  max-width: 15ch;
}

.lede {
  font-size: 1.08rem;
  max-width: 62ch;
  color: var(--text);
}
.lede + .lede { margin-top: 0.9rem; }

figure.hero-photo {
  margin: 2rem 0;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.6rem 0.6rem 0.8rem;
}
figure.hero-photo img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  object-position: 50% 20%;
}
figcaption {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  padding-top: 0.55rem;
  line-height: 1.5;
}
figcaption a { color: var(--text-muted); }
figcaption a:hover { color: var(--brass); }

.btn {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
  padding: 0.85rem 1.6rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn:hover { transform: translateY(-1px); opacity: 0.92; }
.btn:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}
.btn.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

/* Quiz */
.quiz-progress {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 1.6rem;
}
.quiz-progress .track {
  flex: 1;
  height: 3px;
  background: var(--border);
  position: relative;
}
.quiz-progress .fill {
  position: absolute;
  inset: 0 auto 0 0;
  background: var(--brass);
  width: 0%;
  transition: width 0.3s ease;
}

.question {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: clamp(1.3rem, 3.4vw, 1.65rem);
  line-height: 1.28;
  margin: 0 0 1.6rem;
  text-wrap: balance;
}

.options {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.option {
  text-align: left;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 1rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.9rem 1.1rem;
  cursor: pointer;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}
.option:hover { border-color: var(--brass); }
.option:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }
.option .letter {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--brass);
  flex: none;
  padding-top: 0.1rem;
}

/* Name capture */
.name-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  max-width: 26rem;
}
.name-form label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.name-form input {
  font-family: 'Fraunces', serif;
  font-size: 1.3rem;
  padding: 0.65rem 0.2rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--border-strong);
  color: var(--text);
}
.name-form input:focus {
  outline: none;
  border-bottom-color: var(--brass);
}

/* Certificate */
.certificate-wrap {
  margin: 1.6rem 0 2rem;
  padding: 0.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
}
.certificate {
  position: relative;
  padding: clamp(1.6rem, 5vw, 3.2rem);
  border: 1px solid var(--ink);
  outline: 1px solid var(--brass);
  outline-offset: -8px;
  background: var(--paper);
  text-align: center;
}
.certificate::before,
.certificate::after,
.certificate .cnr-br,
.certificate .cnr-bl {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid var(--brass);
}
.certificate::before { top: 4px; left: 4px; border-right: none; border-bottom: none; }
.certificate::after { top: 4px; right: 4px; border-left: none; border-bottom: none; }
.certificate .cnr-bl { bottom: 4px; left: 4px; border-right: none; border-top: none; }
.certificate .cnr-br { bottom: 4px; right: 4px; border-left: none; border-top: none; }

.certificate .office {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.certificate h2 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: clamp(2.2rem, 6vw, 3.1rem);
  margin: 0.6rem 0 1.3rem;
  letter-spacing: 0.01em;
}
.certificate p {
  font-size: 1rem;
  color: var(--text);
  max-width: 42ch;
  margin: 0 auto;
}
.certificate .name {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.6rem, 4.4vw, 2.1rem);
  margin: 1.5rem auto 0.3rem;
  border-bottom: 1px solid var(--border-strong);
  display: inline-block;
  padding: 0 0.4rem 0.4rem;
}
.certificate .meta {
  margin-top: 1.8rem;
  display: flex;
  justify-content: center;
  gap: 1.6rem;
  flex-wrap: wrap;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.certificate .meta b { color: var(--text); font-weight: 500; }

.certificate .stamp {
  position: absolute;
  right: clamp(0.5rem, 4vw, 2.2rem);
  bottom: clamp(0.2rem, 2vw, 1.2rem);
  width: 92px;
  height: 92px;
  border: 2px solid var(--stamp);
  border-radius: 50%;
  color: var(--stamp);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transform: rotate(-11deg);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.3;
  opacity: 0.85;
}
.certificate .stamp::before {
  content: '';
  position: absolute;
  inset: 6px;
  border: 1px solid var(--stamp);
  border-radius: 50%;
}

.result-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.status-line {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.8rem;
  min-height: 1.2em;
}
.status-line.error { color: var(--stamp); }

footer {
  text-align: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-muted);
  padding: 2rem 1rem 3rem;
}