@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 100 1000;
  font-display: swap;
  src: url("https://leontiekoetterde-cdn.tiekoetter.cloud/assets/fonts/DMSans-variable.ttf") format("truetype");
}

:root {
  color-scheme: light;
  --background: #fafafa;
  --surface: #ffffff;
  --surface-soft: #f5f5f6;
  --text: #202024;
  --muted: #6d6b74;
  --line: #e8e6eb;
  --accent: #715f99;
  --accent-soft: #f1eef5;
  --accent-strong: #604d8a;
  --inverse-text: #ffffff;
  --shadow: 0 14px 36px rgba(37, 31, 53, 0.06);
  --max-width: 1040px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --background: #141318;
  --surface: #1c1a21;
  --surface-soft: #232228;
  --text: #f1eff4;
  --muted: #aaa6b2;
  --line: #302d36;
  --accent: #aa99cb;
  --accent-soft: #292630;
  --accent-strong: #c1b2dd;
  --inverse-text: #18151f;
  --shadow: 0 14px 36px rgba(0, 0, 0, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  font-family: "DM Sans", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  transition: color 180ms ease, background-color 180ms ease;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
h1,
h2,
h3 {
  margin-top: 0;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.site-header,
.site-footer,
.hero,
.page-shell {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-right: auto;
  font-size: 0.88rem;
  letter-spacing: -0.01em;
}

.brand img {
  width: 30px;
  height: 30px;
  display: block;
  filter: brightness(0);
  object-fit: contain;
  opacity: 0.82;
}

:root[data-theme="dark"] .brand img {
  filter: brightness(0) invert(1);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.site-nav a,
.language-option,
.language-link,
.site-footer a {
  transition: color 160ms ease;
}

.site-nav a:hover,
.site-nav .active,
.language-option:hover,
.language-option.active,
.language-link:hover,
.site-footer a:hover {
  color: var(--accent);
}

.language-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.language-option {
  padding: 0;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
  font: inherit;
}

.language-link {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.theme-toggle {
  width: 30px;
  height: 30px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  padding: 0;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.theme-toggle:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.theme-dot {
  width: 12px;
  height: 12px;
  display: block;
  background: linear-gradient(90deg, var(--accent) 50%, transparent 50%);
  border: 1.5px solid var(--accent);
  border-radius: 50%;
}

.menu-toggle {
  display: none;
}

.hero {
  min-height: calc(100vh - 136px);
  display: flex;
  align-items: center;
  padding-block: 64px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow,
.section-number {
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.16;
}

h1 {
  max-width: 680px;
  margin-bottom: 18px;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(1.45rem, 2.8vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.02rem;
}

.accent {
  color: inherit;
}

.hero-text,
.intro-description {
  max-width: 580px;
  color: var(--muted);
  font-size: 0.98rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.primary {
  padding: 10px 14px;
  color: var(--background);
  background: var(--text);
  border-radius: 5px;
  transition: background-color 160ms ease, transform 160ms ease;
}

.primary:hover {
  background: var(--accent-strong);
}

.text-button:hover,
.text-link:hover {
  color: var(--accent);
}

.site-footer {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.site-footer p {
  margin: 0;
}

.page-shell {
  padding-block: 68px 92px;
}

.page-intro {
  display: grid;
  grid-template-columns: 1fr 0.75fr;
  gap: 36px;
  align-items: end;
  padding-bottom: 48px;
}

.page-intro h1 {
  margin-bottom: 0;
}

.cv-intro h1 {
  max-width: none;
  font-size: clamp(2.4rem, 5vw, 4rem);
  white-space: nowrap;
}

.intro-meta {
  padding-bottom: 10px;
  color: var(--muted);
}

.intro-meta p {
  margin-block: 4px;
}

.intro-meta a:hover,
.legal-content a:hover {
  color: var(--accent);
}

.resume-layout {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.resume-overview {
  padding-block: 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.resume-overview p {
  margin: 0;
}

.resume-layout.has-overview {
  border-top: 0;
}

.resume-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  color: var(--muted);
  font-size: 0.9rem;
}

.resume-sidebar p {
  margin-bottom: 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 0;
  list-style: none;
}

.tag-list li,
.tag-list span {
  padding: 4px 9px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
}

.plain-list {
  padding: 0;
  list-style: none;
}

.plain-list li {
  display: flex;
  justify-content: space-between;
  padding-block: 4px;
}

.plain-list span {
  color: var(--text);
}

.sidebar-links {
  padding: 0;
  margin-block: 0 14px;
  list-style: none;
}

.sidebar-links li {
  margin-bottom: 5px;
}

.sidebar-links a,
.resume-links a {
  color: var(--muted);
  overflow-wrap: anywhere;
  transition: color 160ms ease;
}

.sidebar-links a:hover,
.resume-links a:hover {
  color: var(--accent);
}

.resume-section {
  padding-bottom: 44px;
}

.resume-heading {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.resume-heading h2 {
  margin: 0;
  font-size: 1.7rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 138px 1fr;
  gap: 20px;
  padding-block: 19px;
  border-bottom: 1px solid var(--line);
}

.timeline-item p {
  margin-bottom: 0;
  color: var(--muted);
}

.timeline-date {
  color: var(--muted) !important;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.timeline-subtitle {
  margin-bottom: 8px !important;
  color: var(--text) !important;
  font-size: 0.84rem;
  font-weight: 700;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 28px;
}

.detail-grid.compact {
  grid-template-columns: 1fr;
}

.detail-item,
.resume-block {
  padding-block: 18px;
  border-bottom: 1px solid var(--line);
}

.detail-item h3,
.resume-block h3 {
  margin-bottom: 6px;
  font-size: 0.94rem;
}

.detail-item h3 a {
  transition: color 160ms ease;
}

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

.detail-item p,
.resume-block p {
  margin-bottom: 0;
  color: var(--muted);
}

.detail-item p a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
  transition: color 160ms ease, text-decoration-color 160ms ease;
}

.detail-item p a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.resume-block h3 {
  margin-top: 18px;
}

.bullet-list {
  padding-left: 18px;
  margin-block: 8px 0;
  color: var(--muted);
}

.bullet-list li {
  margin-bottom: 4px;
}

.resume-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 16px;
  font-size: 0.78rem;
  font-weight: 700;
}

.projects-list {
  border-top: 1px solid var(--line);
}

.project-card {
  padding-block: 34px;
  border-bottom: 1px solid var(--line);
}

.project-details {
  max-width: 720px;
}

.project-details h2 {
  font-size: 1.95rem;
}

.project-details > p:not(.eyebrow) {
  color: var(--muted);
}

.text-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-page {
  min-height: calc(100vh - 152px);
}

.contact-intro {
  max-width: 820px;
  margin-bottom: 48px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 560px);
  gap: 10px;
  align-items: start;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 15px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.contact-card .eyebrow {
  margin-bottom: 8px;
}

.contact-card a,
.contact-card > p:not(.eyebrow) {
  margin-bottom: 0;
  font-weight: 700;
}

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

.legal-page {
  max-width: 860px;
}

.legal-content {
  border-top: 1px solid var(--line);
}

.legal-content div {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 30px;
  padding-block: 25px;
  border-bottom: 1px solid var(--line);
}

.legal-content h2 {
  font-size: 0.96rem;
  letter-spacing: 0;
}

.legal-content p {
  color: var(--muted);
}

.legal-text {
  padding-top: 48px;
}

.legal-text h2 {
  margin-bottom: 24px;
  font-size: 1.7rem;
}

.legal-text h3 {
  margin-top: 28px;
  margin-bottom: 8px;
  font-size: 0.98rem;
}

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

@media (max-width: 820px) {
  .site-header,
  .site-footer,
  .hero,
  .page-shell {
    width: min(calc(100% - 32px), var(--max-width));
  }

  .site-header {
    position: relative;
    gap: 16px;
  }

  .menu-toggle {
    display: block;
    padding: 0;
    color: var(--text);
    background: none;
    border: 0;
    font: inherit;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
  }

  .site-nav {
    position: absolute;
    z-index: 3;
    top: 68px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 13px;
    padding: 18px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 6px;
    box-shadow: var(--shadow);
  }

  .site-nav.open {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding-block: 56px;
  }

  .page-intro,
  .resume-layout,
  .detail-grid,
  .project-card,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .page-shell {
    padding-block: 56px 72px;
  }

  .page-intro {
    gap: 18px;
    padding-bottom: 40px;
  }

  .cv-intro h1 {
    font-size: clamp(2.15rem, 10vw, 3rem);
  }

  .resume-layout {
    gap: 44px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .legal-content div {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (max-width: 480px) {
  .brand strong {
    display: none;
  }

  h1 {
    font-size: clamp(2.4rem, 13vw, 3.4rem);
  }

}