/* deutschmike.dev — Basisstile. Reines CSS, kein Framework, kein Build-Schritt. */

:root {
  --bg: #fbfbfa;
  --bg-alt: #f1f3f7;
  --surface: #ffffff;
  --border: #e2e5eb;
  --text: #1b212b;
  --text-muted: #525a68;
  --accent: #2657eb;
  --accent-contrast: #ffffff;
  --focus: #2657eb;
  --radius: 0.75rem;
  --shadow: 0 1px 2px rgba(20, 24, 33, 0.06), 0 8px 24px rgba(20, 24, 33, 0.05);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --bg-alt: #161922;
    --surface: #1a1e27;
    --border: #2b303c;
    --text: #e9ebef;
    --text-muted: #a3acbd;
    --accent: #7fa0ff;
    --accent-contrast: #0f1115;
    --focus: #7fa0ff;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 68rem;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

a {
  color: var(--accent);
  text-decoration-thickness: from-font;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 0.25rem;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 0.6rem 1rem;
  border-radius: 0.5rem;
  z-index: 100;
  transition: top 0.15s ease;
}

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

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(150%) blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.9rem;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
}

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

.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 0.4rem;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  position: relative;
  transition: transform 0.2s ease;
}

.nav-toggle-label span::before,
.nav-toggle-label span::after {
  content: "";
  position: absolute;
}

.nav-toggle-label span::before {
  top: -7px;
}

.nav-toggle-label span::after {
  top: 7px;
}

.main-nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

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

@media (max-width: 42rem) {
  .nav-toggle-label {
    display: block;
  }

  .main-nav {
    display: none;
    width: 100%;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding-block: 0.5rem;
  }

  .main-nav a {
    display: block;
    padding: 0.75rem 0.25rem;
    border-top: 1px solid var(--border);
  }

  .site-header .container {
    flex-wrap: wrap;
  }

  .nav-toggle:checked ~ .main-nav {
    display: block;
  }
}

/* Sections */

section {
  padding-block: clamp(3rem, 6vw, 5rem);
}

section + section {
  border-top: 1px solid var(--border);
}

.section-eyebrow {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 1.75rem;
}

.lede {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 46rem;
}

/* Hero */

.hero {
  padding-block: clamp(3.5rem, 8vw, 6rem) clamp(2.5rem, 6vw, 4rem);
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 5vw, 3.5rem);
  flex-wrap: wrap;
}

.hero-text {
  flex: 1 1 26rem;
  min-width: 0;
}

.hero-avatar {
  flex: 0 0 auto;
  width: clamp(7rem, 16vw, 9.5rem);
  height: clamp(7rem, 16vw, 9.5rem);
  border-radius: 50%;
  background: linear-gradient(
    155deg,
    var(--accent),
    color-mix(in srgb, var(--accent) 55%, #7c3aed)
  );
  color: var(--accent-contrast);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 700;
  box-shadow: var(--shadow);
  user-select: none;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  margin: 0 0 0.35rem;
}

.hero .role {
  font-size: 1.2rem;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 1.1rem;
}

.hero p {
  color: var(--text-muted);
  max-width: 42rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  border-radius: 0.6rem;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}

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

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

.btn-primary:hover {
  background: color-mix(in srgb, var(--accent) 85%, black);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Werdegang timeline */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--border);
  max-width: 46rem;
}

.timeline li {
  position: relative;
  padding: 0 0 2rem 1.75rem;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -0.4375rem;
  top: 0.3rem;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
}

.timeline li:last-child {
  padding-bottom: 0;
}

.timeline .period {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.timeline h3 {
  font-size: 1.05rem;
  margin: 0 0 0.15rem;
}

.timeline .org {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin: 0 0 0.4rem;
}

.timeline p.desc {
  margin: 0;
  color: var(--text-muted);
}

/* Skills */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1.5rem;
}

.skill-group h3 {
  font-size: 1rem;
  margin: 0 0 0.75rem;
}

.pill-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.88rem;
  color: var(--text);
}

.pill .note {
  color: var(--text-muted);
  font-size: 0.8em;
}

/* Projects */

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.project-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}

.project-card p {
  margin: 0;
  color: var(--text-muted);
}

.tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  font-size: 0.82rem;
}

.tag-list li {
  background: var(--bg-alt);
  border-radius: 0.4rem;
  padding: 0.25rem 0.55rem;
  color: var(--text-muted);
}

.project-card .card-actions {
  margin-top: auto;
  padding-top: 0.25rem;
}

/* Contact */

.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}

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

/* Legal pages */

.legal main {
  padding-block: clamp(2.5rem, 6vw, 4rem);
  max-width: 42rem;
  margin-inline: auto;
}

.legal h1 {
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  margin-bottom: 0.25rem;
}

.legal h2 {
  font-size: 1.1rem;
  margin-top: 2.25rem;
  margin-bottom: 0.75rem;
}

.legal p,
.legal li {
  color: var(--text-muted);
}

.legal .back-link {
  display: inline-block;
  margin-bottom: 2rem;
}

/* 404 */

.error-page main {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  max-width: 34rem;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.error-page h1 {
  font-size: clamp(2rem, 6vw, 3rem);
}