/* ==============================
   GLOBAL RESET & BASE STYLES
   ============================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", Arial, sans-serif;
  background: #121212;
  color: #e0e0e0;
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
}

body.light {
  background: #fafafa;
  color: #1a1a1a;
}

/* ==============================
   ACCESSIBILITY
   ============================== */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #00aaff;
  color: white;
  padding: 8px 16px;
  z-index: 1000;
  text-decoration: none;
  border-radius: 0 0 6px 6px;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
}

/* ==============================
   HEADER (KOPFZEILE)
   ============================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #1e1e1e;
  border-bottom: 1px solid #333;
  z-index: 1200;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1.5rem;
  gap: 1rem;
}

.logo {
  color: #00aaff;
  font-size: 1.3rem;
  font-weight: 700;
  text-decoration: none;
}

/* Navigation */
.header-nav ul {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.header-nav a {
  color: #e0e0e0;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.header-nav a:hover,
.header-nav a.active {
  color: #00aaff;
}

/* Theme Toggle Button */
.icon-btn {
  background: #00aaff;
  border: none;
  color: #fff;
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: background 0.2s ease;
}
.icon-btn:hover {
  background: #0090dd;
}

/* Platz für festen Header */
main {
  padding-top: 4.5rem;
}

/* ==============================
   MAIN CONTENT & TYPOGRAPHY
   ============================== */
main section {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 1rem 1.5rem;
}

h1, h2, h3 {
  font-weight: 600;
  margin-bottom: 0.8rem;
  line-height: 1.2;
}

p {
  margin-bottom: 1rem;
  font-size: 1rem;
}

a {
  color: #00aaff;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* ==============================
   BUTTONS & LINKS
   ============================== */
.action-btn {
  display: inline-block;
  background: #00aaff;
  color: #fff;
  padding: 0.7rem 1.3rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.1s ease;
}
.action-btn:hover {
  background: #0090dd;
  transform: translateY(-1px);
}
.action-btn:active {
  transform: translateY(1px);
}

/* ==============================
   TEAM SECTION
   ============================== */
.team-section {
  margin-top: 2rem;
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}
.team-card {
  background: #1c1c1c;
  border: 1px solid #333;
  border-radius: 10px;
  padding: 1.2rem;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
body.light .team-card {
  background: #ffffff;
  border-color: #ddd;
}
.team-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}
.team-photo img {
  border-radius: 50%;
  width: 120px;
  height: 120px;
  object-fit: cover;
  margin-bottom: 0.8rem;
}
.team-card h3 {
  margin-bottom: 0.3rem;
}
.team-card .role {
  font-size: 0.9rem;
  color: #00aaff;
  margin-bottom: 0.6rem;
}

/* ==============================
   FORMS (Kontakt)
   ============================== */
form {
  max-width: 600px;
  margin-top: 1rem;
}
.form-row {
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
}
label {
  font-weight: 500;
  margin-bottom: 0.3rem;
}
input, textarea {
  background: #1a1a1a;
  border: 1px solid #444;
  color: #e0e0e0;
  padding: 0.6rem;
  border-radius: 6px;
  font-size: 1rem;
}
input:focus, textarea:focus {
  outline: 2px solid #00aaff;
  border-color: #00aaff;
}
body.light input, body.light textarea {
  background: #fff;
  color: #111;
  border-color: #ccc;
}
textarea {
  min-height: 120px;
  resize: vertical;
}

/* ==============================
   FOOTER
   ============================== */
.site-footer {
  background: #1e1e1e;
  border-top: 1px solid #333;
  color: #ccc;
  padding: 1.5rem 0;
  margin-top: 3rem;
}
body.light .site-footer {
  background: #f0f0f0;
  color: #333;
  border-top-color: #ccc;
}
.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
  font-size: 0.95rem;
}
.footer-inner a {
  color: #00aaff;
}
.footer-inner a:hover {
  text-decoration: underline;
}
.footer-inner address {
  font-style: normal;
  margin-bottom: 0.6rem;
}
.footer-inner p {
  margin: 0.3rem 0;
}

#contactForm {
  max-width: 600px;
  margin: 1rem auto;
}
#contactForm input,
#contactForm textarea {
  width: 100%;
  background: #1a1a1a;
  border: 1px solid #444;
  color: #e0e0e0;
  padding: 0.6rem;
  border-radius: 6px;
  font-size: 1rem;
}
body.light #contactForm input,
body.light #contactForm textarea {
  background: #fff;
  color: #111;
  border-color: #ccc;
}
#contactForm input:focus,
#contactForm textarea:focus {
  outline: 2px solid #00aaff;
  border-color: #00aaff;
}

/* ==============================
   PROJECT GALLERY
   ============================== */
.project-gallery {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: #1c1c1c;
  border: 1px solid #333;
  border-radius: 10px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-align: center;
}

body.light .project-card {
  background: #fff;
  border-color: #ddd;
}

.project-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.project-card img {
  width: 100%;
  height: auto;
  display: block;
}

.project-info {
  padding: 1rem;
}

.project-info h3 {
  margin-bottom: 0.4rem;
}

.project-info p {
  color: #00aaff;
  font-weight: 500;
}

/* ==============================
   PROJECT CAROUSEL
   ============================== */
.project-gallery {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: #1c1c1c;
  border: 1px solid #333;
  border-radius: 10px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-align: center;
  position: relative;
}

body.light .project-card {
  background: #fff;
  border-color: #ddd;
}

.project-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

/* Carousel Layout */
.carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.carousel-images {
  display: flex;
  transition: transform 0.4s ease-in-out;
}

.carousel-images img {
  width: 100%;
  height: auto;
  flex-shrink: 0;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  border: none;
  color: white;
  font-size: 1.5rem;
  padding: 0.3rem 0.6rem;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.2s;
  z-index: 5;
}

.carousel-btn:hover {
  background: rgba(0, 0, 0, 0.7);
}

.carousel-btn.prev { left: 10px; }
.carousel-btn.next { right: 10px; }

body.light .carousel-btn {
  background: rgba(255, 255, 255, 0.6);
  color: #000;
}