:root {
  --bg: #ffffff;
  --bg-alt: #f5f7fb;
  --text: #1f2933;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-soft: #dbeafe;
  --border: #e5e7eb;
  --radius: 12px;
  --shadow-soft: 0 10px 25px rgba(15, 23, 42, 0.08);
  --transition: 0.2s ease;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

/* HEADER */

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.9rem;
}

.nav {
  display: flex;
  gap: 1rem;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
}

.nav a:hover {
  color: var(--primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
}

/* HERO */

.hero {
  padding: 3rem 1.5rem 2.5rem;
  text-align: center;
}

.hero h1 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.hero p {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.btn-primary {
  border: none;
  border-radius: 999px;
  padding: 0.7rem 1.6rem;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.35);
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.4);
}

/* SECTIONS */

.section {
  padding: 2.5rem 1.5rem;
}

.section-alt {
  background: var(--bg-alt);
}

.section h2 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

/* GRID CARDS */

.grid-cards {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: start;
}

.card {
  background: #fff;
  padding: 1.2rem 1.4rem;
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  text-align: center;
  gap: 0.5rem;
}

.card img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  display: block;
}

.card h3 {
  margin: 0.5rem 0 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: #1f2937;
}

/* TECH STRIP */

.tech-strip {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.tech-strip span {
  white-space: nowrap;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border);
  font-size: 0.85rem;
}

/* CONTACT */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  max-width: 480px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.9rem;
}

.contact-form input,
.contact-form textarea {
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 0.6rem 0.7rem;
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--primary-soft);
  border-color: var(--primary);
}

.form-status {
  font-size: 0.85rem;
  color: var(--muted);
}

/* FOOTER */

.footer {
  padding: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

/* MOBILE NAV */

@media (max-width: 768px) {
  .nav {
    position: fixed;
    inset: 56px 0 auto 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 0.75rem 1.5rem 1.25rem;
    gap: 0.75rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

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

  .menu-toggle {
    display: block;
  }
}

/* LANGUAGE SWITCH */

.lang-switch {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.lang-switch img {
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
  cursor: pointer;
  transition: transform 0.15s ease;
}

.lang-switch img:hover {
  transform: scale(1.1);
}

.video-wrapper {
  width: 100%;          /* nimmt volle Breite ein */
  max-width: 900px;     /* maximale Breite, z.B. 900px */
  margin: 0 auto;       /* zentriert den Block */
}

.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Verhältnis */
  height: 0;
  overflow: hidden;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}


h1 {font-size:20pt; text-align:center; color:#0000ff;}
h2 {font-size:18pt; text-align:center; color:#008000;}
h3 {font-family:arial,helvetica; font-size:14pt; text-align:center; color:#3366cc;}
h4 {font-family:arial,helvetica; font-size:11pt; text-align:center; color:gray;}
h5 {font-family:arial,helvetica; font-size:10pt; text-align:left; margin-left:10px}
h6 {font-family:arial,helvetica; font-size:8pt; color:#ff66cc;}
body {background-color:#ffffff; margin-left:20px; margin-top:0px; text-align:center;font-family:sans-serif;}
table.main {background-color:#ffeebb}
table.padding tr td {padding:20px}
img {border:0}
p{font-size:12pt; color:#222222;font-family:Courier,Arial,Helvetica;text-align:left;}
a {font-family:sans-serif; font-size:11pt;font-weight:bold;text-decoration:none;color:#0000ff;}
a.tablelink {font-family:sans-serif; font-size:18pt; text-decoration:none; color:#000000;}
#navigation {margin:0;padding:0;font-size:11pt;color:#008000;font-family:sans-serif;font-weight:bold;}
#navigation ul {margin:8px;padding:0;list-style:none;}
#navigation ul li {padding-left:8px;padding:3px;}
#navigation ul li a {text-decoration:none;color:#0000ff}
div.center{text-align:center;}
div.left{text-align:left; margin:4pt}
a.webtipps {font-family:Verdana,Arial,Helvetica,sans-serif; font-size:8pt; color:#CC6633; text-decoration:none;font-weight:normal;}
fieldset{font-family:Verdana,Arial,Helvetica,sans-serif;font-size:8pt;color:#000000}
fieldset.webtipps{text-align:center}
fieldset.city{text-align:left}
fieldset.webtipps-left{text-align:left;width:160px}
fieldset a{color:#CC6633;text-decoration:none;font-size:10pt;}