:root {
  --bg: #101418;
  --bg-soft: #171d23;
  --text: #d7eefc;
  --text-soft: #abd3ec;
  --accent: #ff7a00;
  --accent-soft: #ffb066;
  --line: #2a3540;
  --max: 1080px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% -10%, #2d3946 0%, rgba(45, 57, 70, 0) 40%),
    radial-gradient(circle at 85% 20%, #262f38 0%, rgba(38, 47, 56, 0) 35%),
    linear-gradient(180deg, #0d1115 0%, #101418 55%, #0c1116 100%);
  line-height: 1.5;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  padding: 5.5rem 0 4.5rem;
  position: relative;
  z-index: 2;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-soft);
  margin: 0;
  font-size: 0.82rem;
}

h1 {
  margin: 0.6rem 0 1rem;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.1;
  color: #f7fbff;
}

.lead {
  max-width: 64ch;
  color: var(--text-soft);
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.72rem 1.2rem;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #ff9a33 100%);
  color: #1a0f03;
  box-shadow: 0 8px 20px rgba(255, 122, 0, 0.25);
}

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(16, 20, 24, 0.5);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 122, 0, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 122, 0, 0.08) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(circle at center, black 20%, transparent 75%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  background: rgba(12, 17, 22, 0.85);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
}

.brand {
  text-decoration: none;
  color: #f3fbff;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.brand small {
  display: block;
  color: var(--accent-soft);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-soft);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.38rem 0.78rem;
  font-size: 0.9rem;
}

.main-nav a:hover,
.main-nav a.active {
  color: #fff;
  border-color: var(--line);
  background: rgba(255, 122, 0, 0.1);
}

.subpage-header {
  padding-top: 3rem;
}

.subpage-header p {
  color: var(--text-soft);
}

.back-link {
  color: var(--accent-soft);
  text-decoration: none;
  font-weight: 700;
}

.back-link:hover {
  text-decoration: underline;
}

.sections {
  display: grid;
  gap: 1rem;
  padding: 2rem 0 3rem;
}

.section-intro {
  color: var(--text-soft);
  margin-top: 0.5rem;
}

.grid-2 {
  display: grid;
  gap: 1rem;
}

.grid-3 {
  display: grid;
  gap: 1rem;
}

.card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(24, 32, 39, 0.92), rgba(16, 21, 26, 0.95));
  border-radius: 16px;
  padding: 1.2rem 1.1rem;
}

.card h2 {
  margin-top: 0;
  color: #f2f9ff;
}

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

.kassen-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1rem 0 0;
}

.kassen-tabs a {
  text-decoration: none;
  color: #ffd8b0;
  border: 1px solid rgba(255, 122, 0, 0.35);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font-size: 0.9rem;
}

.kassen-tabs a.active,
.kassen-tabs a:hover {
  color: #1a0f03;
  background: linear-gradient(135deg, var(--accent), #ff9a33);
  border-color: transparent;
}

.contact-grid {
  display: grid;
  gap: 1rem;
}

.legal h2 {
  margin-bottom: 0.4rem;
}

.legal p,
.legal li {
  color: var(--text-soft);
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-soft);
  font-size: 0.78rem;
}

.new-badge {
  display: inline-block;
  margin-bottom: 0.7rem;
  padding: 0.24rem 0.62rem;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--accent), #ff9a33);
  color: #2a1400;
  font-size: 0.8rem;
}

.image-panel {
  margin-top: 0.9rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #0a0d11;
}

.image-panel img {
  width: 100%;
  display: block;
  height: auto;
}

.muted {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.warning-box {
  border: 1px solid rgba(255, 122, 0, 0.45);
  border-radius: 12px;
  background: rgba(255, 122, 0, 0.07);
  padding: 0.9rem 1rem;
}

.form-grid {
  display: grid;
  gap: 0.9rem;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field label {
  font-weight: 700;
}

.field input,
.field textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(7, 11, 14, 0.7);
  color: var(--text);
  padding: 0.64rem 0.72rem;
  font: inherit;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.checkline {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.form-status {
  min-height: 1.2rem;
  margin: 0;
  font-weight: 700;
}

.form-status.ok {
  color: #8ef0c0;
}

.form-status.err {
  color: #ffb0a5;
}

.footer {
  border-top: 1px solid var(--line);
  color: var(--text-soft);
  padding: 1rem 0 2rem;
}

.footer strong {
  color: #f3fbff;
}

.reveal {
  opacity: 0;
  transform: translateY(8px);
  animation: reveal 0.6s ease forwards;
}

.reveal.delay-1 {
  animation-delay: 0.12s;
}

.reveal.delay-2 {
  animation-delay: 0.24s;
}

@keyframes reveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 860px) {
  .sections {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .subpage-header {
    padding-top: 4rem;
  }
}