/* ===== Variables ===== */
:root {
  --color-bg: #faf9f7;
  --color-bg-hero: #1a1a2e;
  --color-text: #2d2d2d;
  --color-text-muted: #5c5c5c;
  --color-accent: #0d9488;
  --color-accent-hover: #0f766e;
  --color-accent-soft: rgba(13, 148, 136, 0.12);
  --color-card: #ffffff;
  --color-border: #e8e6e3;
  --font-sans: 'Outfit', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.08);
  --transition: 0.25s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 249, 247, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  gap: 1rem;
}
.lang-switcher {
  display: flex;
  align-items: center;
  margin-left: auto;
  margin-right: 0.5rem;
}
.lang-btn {
  padding: 0.35rem 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}
.lang-btn:hover {
  color: var(--color-text);
}
.lang-btn.is-active {
  color: var(--color-accent);
  background: var(--color-accent-soft);
}
.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
}
.logo span { color: var(--color-accent); }
.nav {
  display: flex;
  gap: 2rem;
}
.nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}
.nav a:hover { color: var(--color-accent); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 0 4rem;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--color-bg-hero);
  z-index: -1;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(13, 148, 136, 0.25) 0%, transparent 50%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: #fff;
  letter-spacing: -0.02em;
}
.hero-lead {
  margin: 0 0 2rem;
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 28rem;
}
.btn {
  display: inline-block;
  padding: 0.9rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: var(--color-accent-hover); }

/* ===== Sections ===== */
.section {
  padding: 5rem 0;
}
.section-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
}
.section-intro {
  margin: 0 auto 3rem;
  max-width: 36rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* ===== Services ===== */
.services { background: var(--color-card); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.service-card {
  padding: 2rem;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent-soft);
}
.service-icon {
  display: block;
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}
.service-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
}
.service-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* ===== Über mich ===== */
.about { background: var(--color-card); }
.about-inner {
  display: grid;
  grid-template-columns: minmax(280px, 380px) 1fr;
  gap: 3rem;
  align-items: start;
  margin-top: 2rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
.about-portrait {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.about-portrait img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1;
  object-fit: cover;
}
.about-content { min-width: 0; }
.about-intro {
  margin: 0 0 1.5rem;
  font-size: 1.05rem;
  color: var(--color-text);
  line-height: 1.65;
}
.about-intro strong { color: var(--color-accent); }
.cv h3 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
}
.cv-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.cv-text p {
  margin: 0 0 0.85rem;
}
.cv-text p:last-child {
  margin-bottom: 0;
}
.cv-text a {
  color: var(--color-accent);
  text-decoration: none;
}
.cv-text a:hover {
  text-decoration: underline;
}

/* ===== Referenzen ===== */
.references { background: var(--color-bg); }
.references-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
.ref-card {
  display: block;
  background: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--transition), border-color var(--transition), transform 0.15s ease;
}
.ref-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent-soft);
  transform: translateY(-2px);
}
.ref-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-border) 100%);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 500;
}
.ref-placeholder .ref-icon {
  font-size: 1.35rem;
  opacity: 0.7;
}
.ref-card h3 {
  margin: 0;
  padding: 0.65rem 0.85rem 0.15rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
}
.ref-card p {
  margin: 0;
  padding: 0 0.85rem 0.85rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ===== Steps (scrollbares Step-by-Step) ===== */
.steps-section { background: var(--color-bg); }
.steps {
  max-width: 600px;
  margin: 0 auto;
}
.step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-border);
  opacity: 0.85;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.step:last-child { border-bottom: none; }
.step.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.step-number {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 50%;
  font-family: var(--font-mono);
}
.step-content h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
}
.step-content p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* ===== Contact ===== */
.contact {
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
}
.contact-inner {
  max-width: 480px;
  margin: 0 auto;
}
.contact-lead {
  text-align: center;
  color: var(--color-text-muted);
  margin: 0 0 2rem;
}
.form-feedback {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
}
.form-feedback--success {
  background: rgba(13, 148, 136, 0.12);
  color: var(--color-accent-hover);
}
.form-feedback--error {
  background: rgba(200, 80, 80, 0.1);
  color: #b91c1c;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contact-form label {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-text);
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form .btn { align-self: flex-start; }

/* ===== Footer ===== */
.footer {
  padding: 2rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--color-border);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.75rem 1.5rem;
}
.footer-copy { margin: 0; }
.footer-legal {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-legal a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-legal a:hover { color: var(--color-accent); }
.footer-sep { color: var(--color-border); user-select: none; }

/* ===== Projekt-Detailseiten ===== */
.project-page .header-inner { justify-content: space-between; }
.project-page .nav,
.project-page .lang-switcher,
.project-page .nav-toggle { display: none !important; }
.btn-back {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}
.btn-back:hover {
  color: var(--color-accent);
  background: var(--color-accent-soft);
}
.project-main {
  padding: 3rem 0 5rem;
  background: var(--color-bg);
}
.container-narrow {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.project-header {
  margin-bottom: 2rem;
}
.project-label {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.project-header h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-text);
}
.project-lead {
  margin: 0;
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}
.project-visual {
  margin-bottom: 2.5rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-card);
}
.project-visual-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-border) 100%);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.project-visual-placeholder .ref-icon { font-size: 2.5rem; opacity: 0.6; }
.project-body { margin-bottom: 2.5rem; }
.project-section {
  margin-bottom: 1.75rem;
}
.project-section h2 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
}
.project-section p,
.project-section ul {
  margin: 0;
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.project-tech {
  list-style: none;
  padding-left: 0;
}
.project-tech li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.35rem;
}
.project-tech li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}
.project-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}
.project-link-back {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.project-link-back:hover { color: var(--color-accent); }
.project-placeholder {
  padding: 3rem 0;
  text-align: center;
}
.project-placeholder h1 {
  margin: 0 0 1rem;
  font-size: 1.75rem;
  color: var(--color-text);
}
.project-placeholder p {
  margin: 0 0 1.5rem;
  color: var(--color-text-muted);
}

/* ===== Impressum & Datenschutz ===== */
.legal-page .header-inner { justify-content: space-between; }
.legal-page .nav,
.legal-page .lang-switcher,
.legal-page .nav-toggle { display: none !important; }
.legal-main {
  padding: 3rem 0 5rem;
  background: var(--color-bg);
}
.legal-main h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-text);
}
.legal-intro {
  margin: 0 0 2rem;
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}
.legal-block {
  margin-bottom: 2rem;
}
.legal-block h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
}
.legal-block p,
.legal-block ul {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.legal-block ul {
  padding-left: 1.25rem;
}
.legal-block a {
  color: var(--color-accent);
  text-decoration: none;
}
.legal-block a:hover { text-decoration: underline; }
.legal-back {
  margin: 2rem 0 0;
  font-size: 0.95rem;
}
.legal-back a {
  color: var(--color-accent);
  text-decoration: none;
}
.legal-back a:hover { text-decoration: underline; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .lang-switcher {
    margin-left: 0;
    margin-right: 0;
  }
  .nav {
    position: fixed;
    top: 4rem;
    left: 0;
    right: 0;
    background: var(--color-card);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-toggle { display: flex; order: 1; }
  .lang-switcher { order: 0; }
}
  .hero { padding: 5rem 0 3rem; }
  .section { padding: 3.5rem 0; }
  .step {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem 0;
  }
  .about-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .about-portrait {
    max-width: 320px;
    margin: 0 auto;
  }
  .references-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .services-grid { grid-template-columns: 1fr; }
  .references-grid { grid-template-columns: 1fr; }
}