@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500&display=swap');

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

:root {
  --schwarz:   #111111;
  --grau-d:    #444444;
  --grau-m:    #888888;
  --grau-h:    #e8e8e8;
  --hg:        #f9f9f7;
  --weiss:     #ffffff;
  --akzent:    #4a7c59;
  --max:       680px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--schwarz);
  background: var(--hg);
}

/* ── Header ── */
header {
  max-width: var(--max);
  margin: 0 auto;
  padding: 5rem 2rem 3rem;
}

header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--schwarz);
}

header h2 {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--grau-m);
  margin-top: 0.5rem;
  letter-spacing: 0.02em;
}

.profilbild {
  display: block;
  width: 20%;
  height: 20%;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1.5rem;
  filter: grayscale(20%);
}

/* ── Navigation ── */
nav {
  border-top: 1px solid var(--grau-h);
  border-bottom: 1px solid var(--grau-h);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(249, 249, 247, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

nav > div {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  gap: 0;
}

nav a {
  display: block;
  padding: 0.85rem 0;
  margin-right: 2rem;
  font-size: 0.825rem;
  font-weight: 400;
  color: var(--grau-m);
  text-decoration: none;
  letter-spacing: 0.01em;
  border-bottom: 1.5px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

nav a:hover {
  color: var(--schwarz);
  border-bottom-color: var(--schwarz);
}

/* ── Main ── */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 2rem 6rem;
}

/* ── Sections ── */
section {
  padding-top: 4rem;
}

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

section h3 {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--akzent);
  margin-bottom: 1.5rem;
}

section p {
  color: var(--grau-d);
  margin-bottom: 0.5rem;
  font-size: 0.975rem;
}

section p:last-child { margin-bottom: 0; }

strong { color: var(--schwarz); font-weight: 500; }
em     { color: var(--grau-m);  font-style: normal; }

/* ── Skills ── */
#skills ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

#skills li {
  font-size: 0.85rem;
  color: var(--grau-d);
  background: var(--weiss);
  border: 1px solid var(--grau-h);
  padding: 0.3rem 0.8rem;
  border-radius: 2px;
  transition: border-color 0.15s, color 0.15s;
}

#skills li:hover {
  border-color: var(--akzent);
  color: var(--akzent);
}

/* ── Links ── */
#links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

#links h3 { margin-bottom: 1rem; }

#links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.95rem;
  color: var(--schwarz);
  text-decoration: none;
  width: fit-content;
  border-bottom: 1px solid var(--grau-h);
  padding-bottom: 1px;
  transition: border-color 0.15s, color 0.15s;
}

#links a::after {
  content: '↗';
  font-size: 0.8rem;
  color: var(--grau-m);
  transition: color 0.15s;
}

#links a:hover {
  color: var(--akzent);
  border-color: var(--akzent);
}

#links a:hover::after { color: var(--akzent); }

/* ── Kontakt ── */
#contact h2 {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--akzent);
  margin-bottom: 1.5rem;
}

#contact p {
  font-size: 0.975rem;
  color: var(--grau-m);
  margin-bottom: 1.75rem;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

form input,
form textarea {
  width: 100%;
  padding: 0.75rem 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--grau-h);
  border-radius: 0;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.9rem;
  color: var(--schwarz);
  outline: none;
  transition: border-color 0.2s;
}

form input:focus,
form textarea:focus {
  border-bottom-color: var(--schwarz);
}

form input::placeholder,
form textarea::placeholder {
  color: var(--grau-m);
  font-weight: 300;
}

form textarea {
  min-height: 100px;
  resize: none;
  line-height: 1.6;
}

form button {
  align-self: flex-start;
  margin-top: 0.5rem;
  background: var(--schwarz);
  color: var(--weiss);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  padding: 0.7rem 1.5rem;
  border: 1px solid var(--schwarz);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

form button:hover {
  background: transparent;
  color: var(--schwarz);
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--grau-h);
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

footer p {
  font-size: 0.8rem;
  color: var(--grau-m);
}

footer a {
  font-size: 0.8rem;
  color: var(--grau-m);
  text-decoration: none;
  transition: color 0.15s;
}

footer a:hover { color: var(--schwarz); }

/* ── Responsive ── */
@media (max-width: 520px) {
  header  { padding: 3.5rem 1.25rem 2rem; }
  main    { padding: 0 1.25rem 5rem; }
  footer  { padding: 1.5rem 1.25rem; }
  nav > div { padding: 0 1.25rem; }
  nav a   { margin-right: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
  html { scroll-behavior: auto; }
}