/* =========================================================================
   arnosteguweit.de – persönliche Website
   Design: ruhig, hochwertig, seriös, wartungsarm.
   ========================================================================= */

:root {
  --color-primary:       #0f3b46;   /* dunkles Petrol */
  --color-primary-dark:  #0a2a32;
  --color-accent:        #4a8f92;   /* gedämpftes Türkis */
  --color-background:    #f6f4ef;   /* gebrochenes, warmes Weiß */
  --color-surface:       #ffffff;
  --color-surface-alt:   #eeeae2;
  --color-text:          #1f2429;   /* Anthrazit */
  --color-text-muted:    #55606a;
  --color-border:        #d9d3c7;
  --color-focus:         #b76e00;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif;

  --container-max: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;

  --header-height: 68px;

  --shadow-soft: 0 1px 2px rgba(15, 59, 70, 0.06),
                 0 8px 24px rgba(15, 59, 70, 0.06);
}

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-background);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (min-width: 768px) {
  body { font-size: 18px; }
}

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

h1, h2, h3 {
  color: var(--color-primary-dark);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* --------- Accessibility helpers --------- */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: 8px; top: -100px;
  background: var(--color-primary-dark);
  color: #fff;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  z-index: 100;
  text-decoration: none;
}
.skip-link:focus { top: 8px; }

/* --------- Header --------- */
.site-header {
  position: sticky;
  top: 0; z-index: 50;
  background: color-mix(in srgb, var(--color-background) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-height);
  gap: 16px;
}
.wordmark {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-primary-dark);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.wordmark:hover { color: var(--color-primary); }

.primary-nav ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex; gap: 28px; align-items: center;
}
.primary-nav a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.98rem;
  padding: 8px 2px;
  display: inline-flex; align-items: center; gap: 6px;
}
.primary-nav a:hover { color: var(--color-primary); }
.primary-nav__external {
  color: var(--color-primary) !important;
  font-weight: 600;
}
.external-icon { flex-shrink: 0; opacity: 0.85; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: 44px; height: 44px;
  padding: 10px;
  cursor: pointer;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 4px;
}
.nav-toggle__bar {
  display: block; width: 22px; height: 2px;
  background: var(--color-primary-dark);
  border-radius: 2px;
}

@media (max-width: 767px) {
  .nav-toggle { display: flex; }
  .primary-nav {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 100%;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    padding: 8px 20px 16px;
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .primary-nav li { border-top: 1px solid var(--color-border); }
  .primary-nav li:first-child { border-top: 0; }
  .primary-nav a {
    padding: 14px 4px;
    min-height: 44px;
  }
  .primary-nav--simple { display: block; position: static; box-shadow: none; border: 0; padding: 0; }
  .primary-nav--simple ul { flex-direction: row; }
  .primary-nav--simple li { border: 0; }
}

/* --------- Buttons --------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 22px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  font-weight: 600; font-size: 1rem;
  text-decoration: none;
  border: 1px solid transparent;
  line-height: 1.2;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}
.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn--secondary {
  background: transparent;
  color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}
.btn--secondary:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

/* --------- Hero --------- */
.hero { padding: 56px 0 72px; }
.hero__inner {
  display: grid; gap: 40px;
  grid-template-columns: 1fr;
  align-items: center;
}
.hero__eyebrow {
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.82rem;
  font-weight: 600;
  margin: 0 0 12px;
}
.hero__name { margin: 0 0 12px; }
.role-label {
  display: inline-block;
  background: var(--color-surface-alt);
  color: var(--color-primary-dark);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  margin: 0 0 20px;
  border: 1px solid var(--color-border);
}
.hero__lead {
  font-size: 1.15rem;
  color: var(--color-text);
  max-width: 40ch;
  margin-bottom: 28px;
}
.hero__actions {
  display: flex; flex-wrap: wrap; gap: 12px;
}
.hero__portrait {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-alt);
  box-shadow: var(--shadow-soft);
  max-width: 480px;
  aspect-ratio: 4 / 5;
  justify-self: center;
}
.hero__portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 20%;
}

@media (min-width: 900px) {
  .hero { padding: 88px 0 96px; }
  .hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
  }
  .hero__portrait { justify-self: end; width: 100%; }
}

/* --------- Orientation Panel --------- */
.orientation-panel {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 40px 0;
}
.orientation-panel__inner {
  display: grid; gap: 24px;
  grid-template-columns: 1fr;
  align-items: center;
}
.orientation-panel h2 {
  font-size: 1.35rem;
  margin-bottom: 8px;
}
.orientation-panel p { color: var(--color-text); margin: 0; max-width: 68ch; }

@media (min-width: 900px) {
  .orientation-panel__inner {
    grid-template-columns: 1fr auto;
    gap: 48px;
  }
}

/* --------- About --------- */
.about {
  padding: 80px 0;
  scroll-margin-top: calc(var(--header-height) + 16px);
}
.about__inner {
  display: grid; gap: 40px;
  grid-template-columns: 1fr;
  align-items: start;
}
.about__text p { max-width: 62ch; }
.about__pullquote {
  border-left: 3px solid var(--color-accent);
  padding: 4px 0 4px 16px;
  color: var(--color-primary-dark);
  font-weight: 600;
  font-style: italic;
  max-width: 46ch;
  margin-top: 8px;
}
.about__image {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-surface-alt);
  box-shadow: var(--shadow-soft);
}
.about__image img { width: 100%; height: 100%; object-fit: cover; }

@media (min-width: 900px) {
  .about__inner { grid-template-columns: 1.2fr 1fr; gap: 64px; }
}

/* --------- Principles --------- */
.principles {
  padding: 80px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: calc(var(--header-height) + 16px);
}
.principles__header { max-width: 62ch; margin-bottom: 40px; }
.principles__header p { color: var(--color-text-muted); margin: 0; }
.principles-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 24px;
  grid-template-columns: 1fr;
}
.principle {
  padding: 28px;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  border-top: 3px solid var(--color-accent);
}
.principle h3 {
  margin: 0 0 8px;
  color: var(--color-primary-dark);
  font-size: 1.2rem;
}
.principle p { margin: 0; color: var(--color-text); }

@media (min-width: 720px) {
  .principles-grid { grid-template-columns: repeat(3, 1fr); gap: 28px; }
}

/* --------- Contact --------- */
.contact-options {
  padding: 80px 0;
  scroll-margin-top: calc(var(--header-height) + 16px);
}
.contact-options__header { max-width: 62ch; margin-bottom: 40px; }
.contact-options__header p { color: var(--color-text-muted); margin: 0; }
.contact-options__grid {
  display: grid; gap: 28px;
  grid-template-columns: 1fr;
}
.official-contact,
.personal-contact {
  padding: 32px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.official-contact {
  border-left: 4px solid var(--color-primary);
}
.personal-contact {
  border-left: 4px solid var(--color-accent);
  background: var(--color-surface-alt);
}
.contact-actions { margin-top: 20px; }
.contact-secondary { margin-top: 12px; font-size: 0.95rem; }
.personal-contact__mail {
  margin-top: 16px;
  font-size: 1.15rem;
  font-weight: 600;
}
.personal-contact__mail a { color: var(--color-primary-dark); }

@media (min-width: 860px) {
  .contact-options__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* --------- Footer --------- */
.site-footer {
  background: var(--color-primary-dark);
  color: #dfe7ea;
  padding: 32px 0;
  margin-top: 40px;
}
.site-footer a { color: #fff; }
.site-footer__inner {
  display: flex; flex-direction: column; gap: 16px;
  align-items: flex-start; justify-content: space-between;
}
.site-footer__meta { margin: 0; font-size: 0.92rem; color: #c7d2d6; max-width: 70ch; }
.site-footer__nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 24px;
}
.site-footer__nav a { text-decoration: underline; text-underline-offset: 3px; }

@media (min-width: 720px) {
  .site-footer__inner { flex-direction: row; align-items: center; }
}

/* --------- Legal pages --------- */
.legal { padding: 56px 0 80px; }
.legal__inner { max-width: 780px; }
.legal h1 { margin-bottom: 24px; }
.legal h2 { margin-top: 40px; font-size: 1.35rem; }
.legal section + section { margin-top: 8px; }
.legal ul { padding-left: 1.25rem; margin: 0 0 1em; }
.legal li { margin-bottom: 4px; }

/* --------- Bildnachweis --------- */
.image-credit {
  margin: 8px 2px 0;
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--color-text-muted);
}
.hero__portrait,
.about__image { display: block; }
.hero__portrait picture,
.about__image picture { display: block; height: 100%; }