/* FleckTec — static site
   Type: Cardo (display) / Inter (body) / IBM Plex Mono (data & labels)
   Palette derived from the FleckTec mark (navy → blue → green → lime) */

:root {
  --bg: #f6f6f3;
  --surface: #ffffff;
  --surface-sunken: #eeeeea;
  --ink: #15171c;
  --ink-muted: #585c64;
  --ink-faint: #8a8e95;
  --line: #e2e3de;

  --navy: #252666;
  --blue: #1f5498;
  --green: #3f8a3a;
  --lime: #6fa83f;

  --btn-bg: #252666;
  --btn-bg-hover: #1f5498;
  --btn-fg: #ffffff;

  --focus: #1f5498;

  --font-display: "Cardo", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 2.75rem;
  --space-5: 4.5rem;
  --space-6: 7rem;

  --measure: 38rem;
  --radius: 3px;
  --shadow: 0 1px 2px rgba(20, 20, 30, 0.06), 0 8px 24px -12px rgba(20, 20, 30, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #101216;
    --surface: #171a20;
    --surface-sunken: #1c1f26;
    --ink: #edeff2;
    --ink-muted: #a2a7b0;
    --ink-faint: #6b6f77;
    --line: #262a31;

    --navy: #97a0f2;
    --blue: #6ea3e6;
    --green: #7bc46a;
    --lime: #97cf5c;

    --btn-bg: #4a5ad1;
    --btn-bg-hover: #5a6ad6;
    --btn-fg: #ffffff;

    --focus: #6ea3e6;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px -12px rgba(0, 0, 0, 0.5);
  }
}

:root[data-theme="dark"] {
  --bg: #101216;
  --surface: #171a20;
  --surface-sunken: #1c1f26;
  --ink: #edeff2;
  --ink-muted: #a2a7b0;
  --ink-faint: #6b6f77;
  --line: #262a31;

  --navy: #97a0f2;
  --blue: #6ea3e6;
  --green: #7bc46a;
  --lime: #97cf5c;

  --focus: #6ea3e6;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px -12px rgba(0, 0, 0, 0.5);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a {
  color: var(--blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}
a:hover { color: var(--navy); }
:root[data-theme="dark"] a:hover { color: var(--lime); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) a:hover { color: var(--lime); }
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--surface);
  color: var(--ink);
  padding: 0.6em 1em;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 100;
}
.skip-link:focus {
  left: var(--space-2);
  top: var(--space-2);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  text-wrap: balance;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.25rem, 4.5vw + 1rem, 3.6rem); }
h2 { font-size: clamp(1.5rem, 1.8vw + 1rem, 2rem); }
h3 { font-size: 1.15rem; font-family: var(--font-body); font-weight: 600; }

p { margin: 0 0 1.1em; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.wrap {
  width: 100%;
  max-width: 74rem;
  margin-inline: auto;
  padding-inline: var(--space-3);
}

/* --- Header --- */

.site-header {
  padding-block: var(--space-3);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.brand { display: inline-flex; flex: 0 0 auto; }
.brand img {
  height: 34px;
  width: 65px;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}
.site-nav a:hover { border-color: var(--blue); color: var(--blue); }

/* --- Trace divider: nods to the circuit mark without being decorative filler --- */

.trace {
  position: relative;
  height: 1px;
  background: var(--line);
  border: 0;
  margin: var(--space-5) 0;
}
.trace::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 4px var(--bg);
}
.trace--left::after { left: 0; }

/* --- Hero --- */

.hero {
  padding-block: var(--space-5) var(--space-4);
}

.hero__lede {
  max-width: var(--measure);
  font-size: 1.15rem;
  color: var(--ink-muted);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 0.85em 1.4em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } }

.btn--primary {
  background: var(--btn-bg);
  color: var(--btn-fg);
}
.btn--primary:hover { background: var(--btn-bg-hover); color: var(--btn-fg); transform: translateY(-1px); }

.btn--ghost {
  border-color: var(--line);
  color: var(--ink);
}
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-1px); }

.btn--sm { padding: 0.55em 1.1em; font-size: 0.78rem; }

.contact-cta { margin-top: var(--space-4); }

/* --- Portrait + quote --- */

.profile {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: var(--space-5);
  align-items: center;
}

@media (max-width: 44rem) {
  .profile { grid-template-columns: 1fr; gap: var(--space-4); }
}

.portrait {
  position: relative;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--navy);
  box-shadow: var(--shadow);
}
.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 20%;
  filter: grayscale(1) contrast(1.08);
  mix-blend-mode: luminosity;
}
.portrait::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, var(--navy) 0%, transparent 55%, var(--green) 100%);
  opacity: 0.55;
  mix-blend-mode: color;
  pointer-events: none;
}

blockquote.pull {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.6vw + 1rem, 1.75rem);
  line-height: 1.4;
  color: var(--ink);
}
blockquote.pull p::before { content: "\201E"; }
blockquote.pull p::after { content: "\201C"; }

.pull__cite {
  display: block;
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.pull__cite strong { color: var(--ink-muted); font-weight: 500; }

/* --- Generic page sections (Kontakt / Impressum) --- */

.page-head {
  padding-block: var(--space-5) var(--space-3);
}
.page-head p { max-width: var(--measure); color: var(--ink-muted); font-size: 1.1rem; }

main .wrap > section:last-of-type { padding-bottom: var(--space-6); }

.contact-note {
  max-width: var(--measure);
  margin-top: var(--space-4);
  color: var(--ink-muted);
  font-size: 0.98rem;
}

/* --- Legal content --- */

.legal {
  max-width: var(--measure);
}
.legal h2 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: var(--space-4);
}
.legal p, .legal address { color: var(--ink-muted); font-size: 0.98rem; }
.legal address { font-style: normal; }
.legal a { color: var(--blue); }

/* --- Footer --- */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: var(--space-4);
  margin-top: var(--space-5);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
}

.footer__brand { flex: 0 0 auto; }
.footer__brand img { height: 24px; width: 46px; opacity: 0.85; }

.footer__col-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.7em;
}

.footer__links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.5em; }
.footer__links a { color: var(--ink-muted); text-decoration: none; font-size: 0.95rem; }
.footer__links a:hover { color: var(--blue); }

.footer__meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-muted);
}
.footer__meta a { color: var(--ink-muted); text-decoration: none; }
.footer__meta a:hover { color: var(--blue); }
.footer__meta div + div { margin-top: 0.4em; }

.site-footer .copyright {
  width: 100%;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--ink-faint);
  font-family: var(--font-mono);
}