/* ── Reset & Base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-dark:    #1a1a2e;
  --c-blue:    #2a6ee8;
  --c-accent:  #7eb8f7;
  --c-gray:    #555;
  --c-light:   #f5f5f7;
  --c-border:  #ddd;
  --radius:    6px;
  --max-w:     960px;
  --max-w-n:   680px;
}

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: #222;
  background: #fff;
}

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

h1, h2, h3 { line-height: 1.25; color: var(--c-dark); }
h2 { font-size: 1.6rem; margin-bottom: 0.5rem; }
h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
p  { margin-top: 0.6rem; }

/* ── Layout helpers ───────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container-narrow {
  max-width: var(--max-w-n);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Buttons ──────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  text-decoration: none;
}
.btn-primary {
  background: var(--c-blue);
  color: #fff;
  border: 2px solid var(--c-blue);
}
.btn-primary:hover {
  background: #1a5ec8;
  border-color: #1a5ec8;
  text-decoration: none;
}
.btn-outline {
  background: transparent;
  color: var(--c-dark);
  border: 2px solid var(--c-border);
}
.btn-outline:hover {
  border-color: var(--c-blue);
  color: var(--c-blue);
  text-decoration: none;
}

/* ── Header ───────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-dark);
  color: #fff;
  height: 52px;
}
.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 2rem;
}
.brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 0.04em;
  white-space: nowrap;
  text-decoration: none;
}
.brand:hover { text-decoration: none; color: #fff; }

.main-nav {
  display: flex;
  gap: 1.2rem;
  font-size: 0.88rem;
}
.main-nav a { color: #bbb; }
.main-nav a:hover { color: #fff; text-decoration: none; }

.lang-switch {
  margin-left: auto;
  font-size: 0.82rem;
}
.lang-switch a { color: #888; }
.lang-switch a:hover { color: #ccc; text-decoration: none; }

/* ── Sections ─────────────────────────────────────────────────────── */
.section { padding: 4rem 0; }
.section-alt { background: var(--c-light); }
.section-title { text-align: center; margin-bottom: 2rem; }

/* ── Hero ─────────────────────────────────────────────────────────── */
.hero {
  background: var(--c-dark);
  color: #fff;
  padding: 5rem 0 4rem;
  text-align: center;
}
.hero-logo {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 0.06em;
  margin-bottom: 1.2rem;
}
.hero h1 {
  font-size: 2rem;
  color: #fff;
  max-width: 640px;
  margin: 0 auto 1rem;
}
.hero-sub {
  font-size: 1.05rem;
  color: #aac4e8;
  max-width: 560px;
  margin: 0 auto 2rem;
}

/* ── Why ──────────────────────────────────────────────────────────── */
.section-why h2 { margin-bottom: 1rem; }
.prose { color: #333; }
.prose p { margin-top: 0.8rem; }
.prose p:first-child { margin-top: 0; }

/* ── Cards ────────────────────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  border-top: 3px solid var(--c-blue);
  box-shadow: 0 1px 4px rgba(0,0,0,0.07);
}
.card h3 { color: var(--c-dark); }
.card p  { font-size: 0.9rem; color: var(--c-gray); margin-top: 0.3rem; }

.card-outline {
  border-top: none;
  border: 1px solid var(--c-border);
  box-shadow: none;
}
.card-outline h3 { color: var(--c-blue); }

/* ── Advantages ───────────────────────────────────────────────────── */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem 2rem;
}
.advantage-item {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
}
.advantage-marker {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-blue);
  line-height: 1.4;
  flex-shrink: 0;
}
.advantage-item strong { display: block; color: var(--c-dark); }
.advantage-item p { font-size: 0.9rem; color: var(--c-gray); margin-top: 0.15rem; }

/* ── Screenshot ───────────────────────────────────────────────────── */
.section-screenshot { padding: 2.5rem 0; background: var(--c-light); }
.section-screenshot figure { text-align: center; }
.section-screenshot img {
  max-width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}
.section-screenshot figcaption {
  margin-top: 0.6rem;
  font-size: 0.82rem;
  color: var(--c-gray);
}

/* ── Download ─────────────────────────────────────────────────────── */
.section-download { text-align: center; }
.section-download h2 { margin-bottom: 0.4rem; }
.section-download p { color: var(--c-gray); margin-bottom: 1.2rem; }
.download-list {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Pricing ──────────────────────────────────────────────────────── */
.pricing-intro {
  text-align: center;
  color: var(--c-gray);
  max-width: 560px;
  margin: 0 auto 2rem;
}
.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.tier {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.4rem;
  text-align: center;
  border: 1px solid var(--c-border);
}
.tier-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: 0.4rem;
}
.tier-desc {
  font-size: 0.85rem;
  color: var(--c-gray);
  margin-bottom: 0.8rem;
}
.tier-price {
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-blue);
}
.pricing-note {
  text-align: center;
  font-size: 0.88rem;
  color: var(--c-gray);
  font-style: italic;
  margin-bottom: 1.5rem;
}
.section-alt .tier { background: #fff; }
.section-alt > .container > .btn { display: block; width: fit-content; margin: 0 auto; }

/* ── Footer ───────────────────────────────────────────────────────── */
.site-footer {
  background: var(--c-dark);
  color: #aaa;
  padding: 3rem 0 2rem;
}
.site-footer h2 { color: #fff; font-size: 1.2rem; margin-bottom: 0.6rem; }
.site-footer p { font-size: 0.9rem; line-height: 1.7; }
.site-footer a { color: var(--c-accent); }
.site-footer a:hover { color: #fff; }
.footer-copy { margin-top: 1.5rem; font-size: 0.8rem; color: #555; }

/* ── Impressum ────────────────────────────────────────────────────── */
.impressum { padding: 4rem 0; max-width: var(--max-w-n); }
.impressum h1 { font-size: 1.8rem; margin-bottom: 2rem; }
.impressum h2 { font-size: 1.1rem; margin: 2rem 0 0.5rem; color: var(--c-dark); }
.impressum p { margin-bottom: 0.8rem; line-height: 1.7; }
.impressum a { color: var(--c-blue); }

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .hero h1 { font-size: 1.5rem; }
  .card-grid, .advantage-grid, .tier-grid { grid-template-columns: 1fr; }
  .main-nav { display: none; }
}