/* kaluk.net — editorial, light, typography-driven. No external assets. */

:root {
  --paper: #fbf9f4;
  --ink: #211e1a;
  --muted: #6b6459;
  --accent: #8a3324;
  --rule: #e4ded2;
  --serif: "Charter", "Iowan Old Style", "Palatino", "Georgia", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

/* Header */

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 1.25rem;
  margin-bottom: 3.5rem;
  border-bottom: 1px solid var(--rule);
}

.site-name {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
}

.lang-switch {
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.lang-switch a {
  color: var(--muted);
  text-decoration: none;
}

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

.lang-switch span[aria-current] {
  color: var(--ink);
  font-weight: 600;
}

/* Intro */

.intro h1 {
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

.intro .tagline {
  font-size: 1.25rem;
  color: var(--muted);
  font-style: italic;
  margin-bottom: 1.75rem;
}

.section-nav {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.75rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-nav a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
}

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

/* Sections */

section {
  margin-top: 4rem;
}

h2 {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
}

p + p {
  margin-top: 1em;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

code {
  font-family: ui-monospace, "SF Mono", "Cascadia Code", Menlo, monospace;
  font-size: 0.85em;
  background: #f1ece0;
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

/* Projects */

.project {
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule);
}

.project:last-child {
  border-bottom: 1px solid var(--rule);
}

.project h3 a {
  color: var(--ink);
  text-decoration: none;
}

.project h3 a:hover {
  color: var(--accent);
}

.project p {
  margin-top: 0.5rem;
  color: var(--ink);
}

.project .meta {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-top: 0.6rem;
}

/* Timeline (Werdegang / Experience): Beruf und Studium nebeneinander,
   da das Studium parallel zur Berufstätigkeit lief. */

.timeline-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 2.5rem;
  align-items: start;
}

.col-label {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.timeline {
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--rule);
}

.timeline li:last-child {
  border-bottom: 1px solid var(--rule);
}

.timeline .when {
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--muted);
  padding-top: 0.25rem;
}

.timeline .what strong {
  display: block;
  font-weight: 600;
}

.timeline .what span {
  color: var(--muted);
  font-size: 1rem;
}

/* Contact */

.contact-list {
  list-style: none;
}

.contact-list li {
  padding: 0.3rem 0;
}

.contact-list .label {
  display: inline-block;
  min-width: 7.5rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Footer */

.site-footer {
  margin-top: 5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--muted);
}

.site-footer a {
  color: var(--muted);
}

/* Legal pages */

.legal h1 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.legal h2 {
  margin-top: 2.5rem;
}

/* Small screens */

@media (max-width: 560px) {
  .timeline-columns {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media print {
  .lang-switch {
    display: none;
  }
}