:root {
  --bg-deep: #0a1220;
  --bg-panel: #101c2e;
  --bg-panel-raised: #17273c;

  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.16);
  --accent2: #1e3a5f;
  --accent2-soft: rgba(30, 58, 95, 0.35);

  --fg: #e8eef5;
  --fg-dim: rgba(232, 238, 245, 0.72);
  --fg-faint: rgba(232, 238, 245, 0.5);
  --border: rgba(232, 238, 245, 0.12);

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #060c15;
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

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

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 0.6rem;
}

.eyebrow.center {
  text-align: center;
}

/* ---------- Top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(10, 18, 32, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  white-space: nowrap;
}

.brand-accent {
  color: var(--accent);
}

.brand-mark {
  display: inline-flex;
  color: var(--accent);
}

.brand-mark svg {
  width: 20px;
  height: 20px;
}

.topbar-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  gap: 1.1rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--fg-dim);
  white-space: nowrap;
}

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

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
}

.menu-toggle svg {
  width: 20px;
  height: 20px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-lg {
  padding: 0.85rem 1.6rem;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--accent);
  color: #04121f;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -12px rgba(56, 189, 248, 0.45);
}

.btn-ghost {
  background: transparent;
  color: var(--fg-dim);
  border-color: var(--border);
}

.btn-ghost:hover {
  color: var(--fg);
  border-color: var(--fg-dim);
}

.btn-outline {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 20%, rgba(56, 189, 248, 0.12), transparent 55%),
    radial-gradient(circle at 90% 80%, rgba(30, 58, 95, 0.4), transparent 55%),
    var(--bg-deep);
  padding: 5rem 1.5rem 4rem;
}

.hero-bg-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  filter: saturate(0.4) brightness(0.95) contrast(1.05);
  animation: heroDrift 28s ease-in-out infinite alternate;
}

@keyframes heroDrift {
  from { transform: scale(1.06) translateX(0); }
  to { transform: scale(1.14) translateX(-1.5%); }
}

.hero-spark {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px 4px rgba(56, 189, 248, 0.55);
  opacity: 0;
  animation: sparkPulse 5s ease-in-out infinite;
}

@keyframes sparkPulse {
  0%, 100% { opacity: 0; transform: scale(0.6); }
  50% { opacity: 0.9; transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-photo,
  .hero-spark {
    animation: none;
  }
  .hero-spark {
    opacity: 0.7;
  }
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at 74% 32%, rgba(56, 189, 248, 0.22), transparent 58%),
    linear-gradient(150deg, rgba(10, 26, 46, 0.5), rgba(6, 12, 21, 0.3)),
    linear-gradient(
      100deg,
      rgba(6, 12, 21, 0.95) 0%,
      rgba(6, 12, 21, 0.85) 36%,
      rgba(6, 12, 21, 0.5) 66%,
      rgba(6, 12, 21, 0.3) 100%
    ),
    linear-gradient(to bottom, rgba(6, 12, 21, 0.5), transparent 28%, rgba(6, 12, 21, 0.7) 82%, rgba(6, 12, 21, 0.95));
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: start;
}

.hero-copy h1 {
  font-size: 3rem;
  line-height: 1.05;
  margin-bottom: 1.1rem;
}

.hero-lede {
  font-size: 1.15rem;
  color: var(--fg);
  margin: 0 0 0.9rem;
}

.hero-lede .hl {
  font-weight: 700;
}

.hero-sub {
  color: var(--fg-dim);
  font-size: 0.98rem;
  max-width: 46rem;
  margin: 0 0 2rem;
}

.hero-ctas {
  display: flex;
  gap: 0.9rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--fg);
}

.stat-label {
  font-size: 0.78rem;
  color: var(--fg-faint);
  max-width: 10rem;
}

.hero-footnote {
  font-size: 0.72rem;
  color: var(--fg-faint);
  margin: 1rem 0 0;
}

.hero-card {
  background: var(--bg-panel-raised);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.6);
}

.hero-card-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin: 0 0 0.3rem;
}

.hero-card-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  transition: border-color 0.15s ease;
}

.hero-card-item:hover {
  border-color: var(--accent);
}

.hero-card-item strong {
  display: block;
  font-size: 0.9rem;
}

.hero-card-item small {
  display: block;
  font-size: 0.76rem;
  color: var(--fg-faint);
}

.hero-card-icon {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
}

.hero-card-icon svg {
  width: 20px;
  height: 20px;
}

.hero-card-arrow {
  margin-left: auto;
  color: var(--fg-faint);
}

/* ---------- Sections ---------- */

.section {
  padding: 5rem 1.5rem;
  background: var(--bg-deep);
}

.section-alt {
  background: #0c1626;
}

/* Helle Inhaltsflaechen unterhalb des Heros */
/* Helle Inhaltsflaechen: Farbvariablen werden umdefiniert, damit alle
   Komponenten automatisch mitziehen. Keine Einzelkorrekturen je Bauteil. */
.section-light {
  --fg: #0b1725;
  --fg-dim: #4a5a6d;
  --fg-faint: #5c6b7d;
  --border: #e3e9f0;
  --accent: #0e7fbf;
  --accent-soft: rgba(14, 127, 191, 0.1);
  --bg-panel: #ffffff;
  --bg-panel-raised: #ffffff;
  --bg-deep: #f7f9fc;

  background: #f6f8fb;
  color: var(--fg);
}

.section-light .feature-card,
.section-light .product-card,
.section-light .step,
.section-light .faq-item {
  box-shadow: 0 1px 2px rgba(15, 27, 42, 0.05), 0 10px 28px -18px rgba(15, 27, 42, 0.22);
}

/* Auf mittlerem Blau ist weisser Text besser lesbar als der dunkle Standard */
.section-light .btn-primary {
  color: #ffffff;
}

.section-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.section-inner-narrow {
  max-width: 640px;
}

.section-title {
  font-size: 2.1rem;
  margin-bottom: 0.8rem;
}

.section-title.center {
  text-align: center;
}

.section-lede {
  color: var(--fg-dim);
  font-size: 1rem;
  max-width: 40rem;
  margin: 0 auto 3rem;
}

.section-lede.center {
  text-align: center;
}

/* ---------- Feature grid ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 1rem;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--fg-dim);
  font-size: 0.88rem;
  margin: 0;
}

/* ---------- Product grid ---------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.product-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.product-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}

.product-icon svg {
  width: 24px;
  height: 24px;
}

.product-card h3 {
  font-size: 1.15rem;
}

.product-card p {
  color: var(--fg-dim);
  font-size: 0.9rem;
  margin: 0;
}

.product-specs {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-top: auto;
  padding-top: 0.4rem;
}

.product-specs span {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--fg-dim);
}

.product-specs span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Price card ---------- */

.price-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.75rem;
  max-width: 900px;
  margin: 0 auto;
}

.price-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.price-card-eyebrow {
  display: block;
  font-weight: 700;
  font-size: 1rem;
}

.price-card-sub {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-faint);
}

.price-card-now {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
}

.price-card-unit {
  font-size: 1rem;
  color: var(--fg-faint);
  margin-left: 0.3rem;
}

.price-chart-wrap {
  position: relative;
  background: var(--bg-deep);
  border-radius: 14px;
  padding: 0.75rem;
}

.price-chart-wrap canvas {
  width: 100%;
  height: 240px;
  display: block;
  cursor: crosshair;
}

.price-tooltip {
  position: absolute;
  z-index: 5;
  pointer-events: none;
  background: var(--bg-panel-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.7rem;
  font-size: 0.8rem;
  white-space: nowrap;
  color: var(--fg);
  box-shadow: 0 10px 24px -12px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transform: translate(-50%, -100%);
  transition: opacity 0.12s ease;
}

.price-tooltip.is-visible {
  opacity: 1;
}

.price-tooltip strong {
  color: var(--accent);
}

.price-table-wrap {
  margin-top: 1rem;
  max-height: 280px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 14px;
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.price-table thead th {
  position: sticky;
  top: 0;
  background: var(--bg-panel-raised);
  text-align: left;
  padding: 0.6rem 1rem;
  color: var(--fg-dim);
  font-weight: 700;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.price-table td {
  padding: 0.55rem 1rem;
  border-top: 1px solid var(--border);
  color: var(--fg-dim);
}

.price-table tr.is-current td {
  color: var(--accent);
  font-weight: 700;
  background: var(--accent-soft);
}

.price-table tr.is-selected td {
  background: var(--bg-panel-raised);
}

.price-table tr[data-index] {
  cursor: pointer;
}

.price-card-foot {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--fg-faint);
}

/* ---------- Ablauf ---------- */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  counter-reset: step;
}

.step {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem 1.5rem 1.5rem;
  position: relative;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 1rem;
}

.step h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.9rem;
  margin: 0;
  color: var(--fg-dim);
}

/* ---------- FAQ ---------- */

.faq-list {
  display: grid;
  gap: 0.75rem;
}

.faq-item {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0 1.25rem;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.05rem 2rem 1.05rem 0;
  font-weight: 700;
  font-size: 0.98rem;
  position: relative;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%) rotate(0deg);
  transition: transform 0.25s ease;
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(135deg);
}

.faq-item p {
  display: grid;
  grid-template-rows: 0fr;
  margin: 0;
  font-size: 0.92rem;
  color: var(--fg-dim);
  transition: grid-template-rows 0.25s ease, opacity 0.2s ease;
  opacity: 0;
}

.faq-item p > span {
  display: block;
  overflow: hidden;
  padding-bottom: 0;
  transition: padding-bottom 0.25s ease;
}

.faq-item[open] p {
  grid-template-rows: 1fr;
  opacity: 1;
}

.faq-item[open] p > span {
  padding-bottom: 1.2rem;
}

.faq-item a {
  color: var(--accent);
  text-decoration: underline;
}

/* ---------- Contact ---------- */

.contact-box {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */

.footer {
  background: #0c0d0f;
  border-top: 1px solid var(--border);
  padding: 1.5rem;
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--fg-faint);
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-links a:hover {
  color: var(--accent);
}

/* ---------- Legal / Impressum ---------- */

.legal-section h1 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.legal-section h2 {
  font-size: 1.05rem;
  margin: 2rem 0 0.6rem;
  color: var(--fg);
}

.legal-section p {
  color: var(--fg-dim);
  font-size: 0.92rem;
}

.legal-notice {
  background: var(--accent2-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  font-size: 0.85rem;
  color: var(--fg-dim);
  margin-bottom: 2rem;
}

.placeholder {
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0.05rem 0.4rem;
  border-radius: 6px;
  font-weight: 600;
}

/* ---------- Responsive ---------- */

@media (max-width: 1080px) {
  .menu-toggle {
    display: inline-flex;
  }

  .topbar-inner {
    position: relative;
  }

  .topbar-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 1.25rem;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 1.5rem 1.5rem;
    box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
  }

  .topbar.menu-open .topbar-menu {
    display: flex;
  }

  .nav-links {
    flex-direction: column;
    gap: 0.9rem;
    font-size: 1rem;
  }

  .topbar-actions {
    width: 100%;
  }

  .topbar-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-copy h1 {
    font-size: 2.2rem;
  }
}

@media (max-width: 560px) {
  .topbar-inner {
    gap: 0.75rem;
    padding: 0.75rem 1rem;
  }
  .brand-name {
    font-size: 0.92rem;
  }
}