:root {
  --blue-dark: #0f172a;
  --blue: #1d4ed8;
  --cyan: #0284c7;
  --accent: #2563eb;
  --accent-soft: #eff6ff;
  --text: #0f172a;
  --muted: #64748b;
  --bg: #f1f5f9;
  --surface: #ffffff;
  --border: #e2e8f0;
  --header-h: 4rem;
  --max: 1080px;
  --radius: 14px;
  --shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
}

body.nav-open { overflow: hidden; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

/* ── Site header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  height: 100%;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  white-space: nowrap;
}

.logo:hover { text-decoration: none; }

.logo-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-text span {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--muted);
}

.menu-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav > a,
.nav-dropdown > button {
  color: var(--text);
  font-size: 0.925rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  text-decoration: none;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.site-nav > a:hover,
.nav-dropdown > button:hover,
.site-nav > a.active {
  background: var(--accent-soft);
  text-decoration: none;
  color: var(--accent);
}

.nav-dropdown { position: relative; }

.nav-dropdown > button::after {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.2s ease;
}

.nav-dropdown.open > button::after {
  transform: rotate(-135deg) translateY(-1px);
}

.dropdown-panel {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0.5rem;
  display: none;
}

.nav-dropdown.open .dropdown-panel { display: block; }

.dropdown-panel a {
  display: block;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  color: var(--text);
  font-size: 0.9rem;
  text-decoration: none;
}

.dropdown-panel a:hover {
  background: var(--accent-soft);
  text-decoration: none;
}

.dropdown-panel a small {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 0.15rem;
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 0.35rem 0;
}

.nav-mobile-apps {
  display: none;
}

/* ── Main layout ── */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

.page-hero {
  padding: 3rem 0 2rem;
}

.page-hero.centered { text-align: center; }

.page-hero h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.page-hero .lead {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 38rem;
}

.page-hero.centered .lead { margin: 0 auto; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }

.section {
  margin-top: 2.5rem;
}

.section-head {
  margin-bottom: 1.25rem;
}

.section-head h2 {
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.section-head p {
  color: var(--muted);
  margin-top: 0.35rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.card p { color: var(--muted); font-size: 0.95rem; }

.hero-banner {
  margin: 1.5rem -1.25rem 0;
  padding: 3rem 1.25rem;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 55%, #0284c7 100%);
  color: #fff;
  border-radius: 0;
}

.hero-banner .inner {
  max-width: var(--max);
  margin: 0 auto;
}

.hero-banner h1 {
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 14ch;
}

.hero-banner .lead {
  color: rgba(255, 255, 255, 0.82);
  max-width: 36rem;
  margin-top: 1rem;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.925rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: #fff;
  color: var(--blue-dark);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-outline {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

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

.feature-list {
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.feature-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.85rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.feature-list li::before {
  content: "✓";
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.app-card:hover {
  border-color: #93c5fd;
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.app-card-top {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.app-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}

.app-icon.campshare { background: linear-gradient(135deg, #1d4ed8, #22c55e); }
.app-icon.sparschwein { background: linear-gradient(135deg, #ea580c, #facc15); }
.app-icon.cyberdash { background: linear-gradient(135deg, #7c3aed, #06b6d4); }

.app-card h3 { font-size: 1.1rem; }

.app-card .package {
  font-size: 0.75rem;
  color: var(--muted);
  font-family: ui-monospace, Consolas, monospace;
}

.app-card p {
  color: var(--muted);
  font-size: 0.925rem;
  flex: 1;
}

.app-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.app-links a {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid #bfdbfe;
  text-decoration: none;
}

.app-links a:hover {
  background: #dbeafe;
  text-decoration: none;
}

.app-links a.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.app-links a.primary:hover { background: var(--blue); }

.legal-links { display: grid; gap: 0.65rem; }

.legal-link-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.legal-link-row span {
  color: var(--muted);
  font-size: 0.875rem;
}

.legal-link-row .btn-open {
  flex-shrink: 0;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid #bfdbfe;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--accent);
}

.legal-link-row .btn-open:hover {
  background: #dbeafe;
  text-decoration: none;
}

.meta { color: var(--muted); font-size: 0.9rem; }

.cta-strip {
  margin-top: 2.5rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent-soft), #fff);
  border: 1px solid #bfdbfe;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 2rem 1.25rem;
  margin-top: 2rem;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
}

.footer-brand p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.65rem;
}

.footer-col a {
  display: block;
  color: var(--text);
  font-size: 0.925rem;
  margin-bottom: 0.4rem;
  text-decoration: none;
}

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

.footer-bottom {
  max-width: var(--max);
  margin: 1.5rem auto 0;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

/* ── Mobile nav ── */
@media (max-width: 820px) {
  .menu-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--surface);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem 2rem;
    gap: 0.25rem;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    border-top: 1px solid var(--border);
  }

  .site-nav.open { transform: translateX(0); }

  .site-nav > a,
  .nav-dropdown > button {
    width: 100%;
    justify-content: space-between;
    border-radius: 12px;
    padding: 0.85rem 1rem;
  }

  .dropdown-panel {
    position: static;
    box-shadow: none;
    border: none;
    padding: 0 0 0.5rem 0.5rem;
    display: none;
  }

  .nav-dropdown.open .dropdown-panel { display: block; }

  .nav-mobile-apps { display: block; }

  .grid-2,
  .grid-3 { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; }

  .legal-link-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 821px) {
  .nav-dropdown:hover .dropdown-panel,
  .nav-dropdown:focus-within .dropdown-panel {
    display: block;
  }
}