:root {
  --ink: #172123;
  --paper: #f8f5ef;
  --paper-dark: #ece6dc;
  --accent: #a57743;
  --accent-dark: #795128;
  --white: #ffffff;
  --muted: #617071;
  --border: rgba(23, 33, 35, 0.15);
  --shadow: 0 14px 38px rgba(23, 33, 35, 0.12);
  --serif: "Playfair Display", Georgia, serif;
  --sans: "Inter", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
}

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

.img-responsive {
  height: 100%;
  object-fit: cover;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.container {
  width: min(100% - 2.5rem, 72rem);
  margin: 0 auto;
}

.section {
  padding: 5rem 0;
}

.section-title {
  position: relative;
  margin: 0 0 2.5rem;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 8vw, 4rem);
  font-weight: 600;
  line-height: 1.08;
  text-align: center;
}

.section-title::after {
  display: block;
  width: 3.4rem;
  height: 2px;
  margin: 1rem auto 0;
  background: var(--accent);
  content: "";
}

.section-subtitle {
  max-width: 38rem;
  margin: -1rem auto 2.25rem;
  color: var(--muted);
  text-align: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 0;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-dark);
}

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

.btn-secondary:hover,
.btn-secondary:focus-visible {
  color: var(--white);
  background: var(--ink);
}

/* Navigation */
.navbar {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  color: var(--white);
  transition: background-color 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.navbar.scrolled {
  color: var(--ink);
  background: rgba(248, 245, 239, 0.97);
  box-shadow: 0 2px 16px rgba(23, 33, 35, 0.1);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 2.5rem, 80rem);
  min-height: 4.75rem;
  margin: 0 auto;
}

.logo {
  position: relative;
  z-index: 102;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav-toggle {
  position: relative;
  z-index: 102;
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.65rem;
  border: 0;
  background: transparent;
  gap: 0.3rem;
}

.nav-toggle span {
  display: block;
  height: 1px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(0.44rem) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-0.44rem) rotate(-45deg);
}

.nav-menu {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 6rem 1.5rem 2rem;
  list-style: none;
  color: var(--white);
  background: rgba(23, 33, 35, 0.98);
  gap: 1.3rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-1rem);
  transition: opacity 180ms ease, transform 180ms ease;
}

.nav-menu.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-menu a {
  display: inline-block;
  padding: 0.25rem;
  font-family: var(--serif);
  font-size: 1.55rem;
}

.lang-toggle {
  display: flex;
  padding: 0.3rem;
  border: 1px solid rgba(255, 255, 255, 0.48);
  color: inherit;
  background: transparent;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.lang-toggle span {
  padding: 0.22rem 0.4rem;
  opacity: 0.55;
}

.lang-toggle span.active {
  color: var(--ink);
  background: var(--paper);
  opacity: 1;
}

/* Hero */
.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  overflow: hidden;
  place-items: center;
  color: var(--white);
  background: #263234 url("placeholder-hero.jpg") center / cover no-repeat;
}

.hero::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(16, 27, 29, 0.79), rgba(16, 27, 29, 0.33));
  content: "";
}

.hero-overlay {
  position: absolute;
  inset: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.45);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100% - 3.5rem, 50rem);
  margin-top: 2rem;
  text-align: center;
}

.hero-title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3rem, 13vw, 6.75rem);
  font-weight: 600;
  line-height: 0.98;
}

.hero-subtitle {
  max-width: 32rem;
  margin: 1.5rem auto 2rem;
  font-size: 1rem;
  font-weight: 300;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  width: 1.2rem;
  height: 2.3rem;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 2rem;
  transform: translateX(-50%);
}

.scroll-indicator span {
  display: block;
  width: 0.25rem;
  height: 0.25rem;
  margin: 0.42rem auto;
  border-radius: 50%;
  background: var(--white);
  animation: scroll-dot 1.5s infinite;
}

@keyframes scroll-dot {
  0%, 100% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(0.8rem); opacity: 0; }
}

/* Vita */
.vita {
  background: var(--paper);
}

.vita-content {
  display: grid;
  gap: 2rem;
}

.vita-image {
  min-height: 23rem;
}

.vita-text {
  max-width: 40rem;
}

.vita-text h3,
.vita-text h4,
.kontakt-content h3 {
  margin: 0.35rem 0 0.65rem;
  font-family: var(--serif);
  font-weight: 600;
}

.vita-text h3,
.kontakt-content h3 {
  font-size: 1.75rem;
}

.vita-text h4 {
  margin-top: 1.65rem;
  font-size: 1.2rem;
}

.vita-text p {
  margin: 0;
}

.vita-list {
  margin: 0;
  padding-left: 1.2rem;
}

.vita-list li::marker {
  color: var(--accent);
}

/* Projects */
.projekte {
  background: var(--ink);
  color: var(--white);
}

.projekte .section-title::after {
  background: #d3af78;
}

.projekte-grid {
  display: grid;
  gap: 1.5rem;
}

.projekt-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: var(--ink);
  background: var(--paper);
}

.projekt-image {
  min-height: 14rem;
  background: var(--paper);
  width: 100%;
}
.projekt-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top;
}

.projekt-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
  padding: 1.5rem;
}

.projekt-content h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 600;
}

.projekt-content p {
  margin: 0.75rem 0 1.5rem;
  color: #405052;
}

.projekt-content .btn {
  margin-top: auto;
}

/* Gallery */
.galerie {
  background: var(--paper-dark);
}

.galerie-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 10rem;
  gap: 0.75rem;
}

.galerie-item {
  overflow: hidden;
  background: #a8a299;
}

.galerie-item:nth-child(1),
.galerie-item:nth-child(4) {
  grid-row: span 2;
}

.galerie-item img {
  transition: transform 350ms ease;
}

.galerie-item:hover img {
  transform: scale(1.06);
}

/* Contact */
.kontakt {
  background: var(--paper);
}

.kontakt-content {
  display: grid;
  gap: 2.5rem;
}

.kontakt-info > p {
  margin: 0.5rem 0 1.25rem;
  color: var(--muted);
}

.kontakt-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.kontakt-list li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border);
}

.kontakt-list strong {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.kontakt-list a {
  color: var(--accent-dark);
}

.social-links {
  display: flex;
  margin-top: 1.5rem;
  gap: 0.65rem;
}

.social-link {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--ink);
  place-items: center;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  transition: color 180ms ease, background-color 180ms ease;
}

.social-link:hover,
.social-link:focus-visible {
  color: var(--white);
  background: var(--ink);
}

.kontakt-form-wrapper {
  padding: 1.5rem;
  background: var(--white);
  box-shadow: var(--shadow);
}

.kontakt-form {
  margin-top: 1.25rem;
}

.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0;
  outline: none;
  background: var(--paper);
  padding: 0.75rem;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.form-group textarea {
  min-height: 9rem;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(165, 119, 67, 0.18);
}

/* Footer */
.footer {
  color: rgba(255, 255, 255, 0.78);
  background: var(--ink);
}

.footer-content {
  display: flex;
  flex-direction: column;
  padding: 2rem 0;
  gap: 0.8rem;
  text-align: center;
}

.footer p {
  margin: 0;
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  font-size: 0.85rem;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--white);
  text-decoration: underline;
}

@media (min-width: 48rem) {
  .section {
    padding: 6.5rem 0;
  }

  .nav-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    padding: 0;
    color: inherit;
    background: transparent;
    gap: 1.1rem;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .nav-menu a {
    position: relative;
    padding: 0.35rem 0;
    font-family: var(--sans);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .nav-menu a::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 1px;
    background: currentColor;
    content: "";
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 180ms ease;
  }

  .nav-menu a:hover::after,
  .nav-menu a:focus-visible::after {
    transform: scaleX(1);
    transform-origin: left;
  }

  .navbar.scrolled .lang-toggle {
    border-color: rgba(23, 33, 35, 0.45);
  }

  .hero-content {
    text-align: left;
  }

  .hero-subtitle {
    margin-left: 0;
  }

  .vita-content {
    grid-template-columns: minmax(16rem, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 4rem;
  }

  .vita-image {
    min-height: 32rem;
  }

  .projekte-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .galerie-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 12rem;
  }

  .galerie-item:nth-child(1) {
    grid-column: span 2;
  }

  .galerie-item:nth-child(4) {
    grid-column: span 2;
  }

  .kontakt-content {
    grid-template-columns: minmax(0, 0.8fr) minmax(20rem, 1.2fr);
    align-items: start;
    gap: 4rem;
  }

  .footer-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 70rem) {
  .hero-overlay {
    inset: 2rem;
  }

  .projekt-image {
    min-height: 17rem;
  }

  .kontakt-form-wrapper {
    padding: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}