/* Martin Böckel – statische Site */

:root {
  --bg: #f3f1ec;
  --bg-alt: #e8e4dc;
  --surface: #fffdf9;
  --ink: #1c1f24;
  --ink-muted: #5a616b;
  --accent: #2f6f6a;
  --accent-hover: #245853;
  --hero-bg: #14181d;
  --hero-ink: #f5f2eb;
  --hero-muted: #a8b0ba;
  --line: rgba(28, 31, 36, 0.12);
  --shadow: 0 18px 40px rgba(20, 24, 29, 0.08);
  --radius: 1rem;
  --max: 68rem;
  --font-display: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-body: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --space-section: clamp(4rem, 10vw, 7rem);
  --header-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 0.75rem);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(47, 111, 106, 0.08), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 20%, rgba(28, 31, 36, 0.05), transparent 50%),
    var(--bg);
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-hover);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100%;
  z-index: 1000;
  padding: 0.6rem 1rem;
  background: var(--surface);
  color: var(--ink);
  border-radius: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(20, 24, 29, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(245, 242, 235, 0.08);
}

.header-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--hero-ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand:hover {
  color: var(--hero-ink);
}

.brand img {
  width: 2.25rem;
  height: 2.25rem;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid rgba(245, 242, 235, 0.25);
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid rgba(245, 242, 235, 0.25);
  border-radius: 0.5rem;
  background: transparent;
  color: var(--hero-ink);
  cursor: pointer;
  padding: 0;
}

.nav-toggle-bars {
  display: block;
  width: 1.15rem;
  height: 2px;
  margin: 0 auto;
  background: currentColor;
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
}

.nav-toggle-bars::before {
  top: -6px;
}

.nav-toggle-bars::after {
  top: 6px;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.25rem 1.5rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
}

.site-nav a {
  color: var(--hero-muted);
  text-decoration: none;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="true"],
.site-nav a.is-active {
  color: var(--hero-ink);
  border-bottom-color: var(--accent);
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: grid;
  align-items: end;
  background:
    linear-gradient(160deg, rgba(20, 24, 29, 0.35) 0%, rgba(20, 24, 29, 0.85) 55%, rgba(20, 24, 29, 0.95) 100%),
    radial-gradient(circle at 70% 20%, rgba(47, 111, 106, 0.35), transparent 45%),
    radial-gradient(circle at 20% 80%, rgba(163, 140, 98, 0.2), transparent 40%),
    linear-gradient(135deg, #1a2229 0%, #0f1216 50%, #1e2a2a 100%);
  color: var(--hero-ink);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245, 242, 235, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 242, 235, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black 20%, transparent 90%);
  pointer-events: none;
  animation: grid-drift 28s linear infinite;
}

@keyframes grid-drift {
  from { transform: translateY(0); }
  to { transform: translateY(48px); }
}

.hero-inner {
  position: relative;
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(4rem, 10vw, 7rem);
}

.hero-eyebrow {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--hero-muted);
  opacity: 0;
  animation: rise 0.8s ease 0.15s forwards;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 9vw, 5.5rem);
  font-weight: 650;
  line-height: 1.05;
  letter-spacing: -0.03em;
  opacity: 0;
  animation: rise 0.9s ease 0.28s forwards;
}

.hero-lead {
  margin: 0 0 2rem;
  max-width: 32rem;
  font-size: clamp(1.15rem, 2.4vw, 1.35rem);
  color: var(--hero-muted);
  opacity: 0;
  animation: rise 0.9s ease 0.42s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  opacity: 0;
  animation: rise 0.9s ease 0.55s forwards;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1.35rem;
  border-radius: 0.55rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--hero-ink);
  border-color: rgba(245, 242, 235, 0.35);
}

.btn-ghost:hover {
  color: var(--hero-ink);
  border-color: rgba(245, 242, 235, 0.7);
  background: rgba(245, 242, 235, 0.06);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-outline:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(47, 111, 106, 0.06);
}

.section {
  padding: var(--space-section) 0;
}

.section-alt {
  background: linear-gradient(180deg, var(--bg-alt), var(--bg));
}

.section-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.section-header {
  max-width: 38rem;
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.section-kicker {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-header h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.section-header p {
  margin: 0;
  color: var(--ink-muted);
}

.card-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.4rem 1.6rem;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 48px rgba(20, 24, 29, 0.12);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: 1rem;
  border-radius: 0.75rem;
  background: rgba(47, 111, 106, 0.1);
  color: var(--accent);
  font-size: 1.25rem;
  line-height: 1;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.card p {
  margin: 0 0 1rem;
  color: var(--ink-muted);
  font-size: 1.05rem;
}

.card-link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.card-link::after {
  content: " →";
}

.prose {
  max-width: 42rem;
}

.prose p {
  margin: 0 0 1.25rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.skill-list li {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.45rem 0.85rem;
  border-radius: 0.4rem;
  background: rgba(47, 111, 106, 0.1);
  color: var(--ink);
  border: 1px solid rgba(47, 111, 106, 0.18);
}

.certs {
  margin: 2rem 0 0;
  padding: 1.25rem 1.35rem;
  border-left: 3px solid var(--accent);
  background: rgba(255, 253, 249, 0.7);
  border-radius: 0 0.75rem 0.75rem 0;
}

.certs h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 1rem;
}

.certs ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-muted);
  font-size: 1.02rem;
}

.certs li + li {
  margin-top: 0.35rem;
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.contact-panel {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.contact-item h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 600;
}

.contact-item a {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
}

.contact-item a:hover {
  color: var(--accent);
}

.legal-page {
  padding: clamp(3rem, 7vw, 5rem) 0 var(--space-section);
}

.legal-page h1 {
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.8rem);
  letter-spacing: -0.02em;
}

.legal-page h2 {
  margin: 2rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.legal-page dl {
  display: grid;
  gap: 0.75rem 1.5rem;
  grid-template-columns: 10rem 1fr;
  margin: 0;
}

.legal-page dt {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.legal-page dd {
  margin: 0;
}

.site-footer {
  background: var(--hero-bg);
  color: var(--hero-muted);
  padding: 2.5rem 0;
  font-family: var(--font-display);
  font-size: 0.9rem;
}

.footer-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-nav {
  display: flex;
  gap: 1.25rem;
}

.footer-nav a,
.site-footer a {
  color: var(--hero-ink);
  text-decoration: none;
}

.footer-nav a:hover,
.site-footer a:hover {
  color: #c9e6e2;
}

@media (max-width: 860px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(20, 24, 29, 0.98);
    border-bottom: 1px solid rgba(245, 242, 235, 0.08);
    padding: 0.75rem 1rem 1.25rem;
    display: none;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0.25rem;
  }

  .site-nav a {
    display: block;
    padding: 0.7rem 0.4rem;
  }

  .legal-page dl {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .legal-page dd {
    margin-bottom: 0.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero::before,
  .hero-eyebrow,
  .hero h1,
  .hero-lead,
  .hero-actions,
  .card {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}