:root {
  --bg: #0a0c0f;
  --text: #eef1f5;
  --text-dim: #8b93a1;
  --text-faint: #5a6270;
  --border: #232830;
  --green: #00d68f;
  --red: #ff5c72;
  --accent: #6c8cff;
  --accent-2: #22e0c2;
  --radius: 14px;
  --radius-lg: 20px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

body {
  background:
    radial-gradient(1400px 900px at 58% -6%, color-mix(in srgb, var(--accent) 24%, transparent), transparent 62%),
    radial-gradient(1000px 700px at 100% 32%, color-mix(in srgb, var(--accent-2) 18%, transparent), transparent 65%),
    radial-gradient(900px 900px at -4% 72%, color-mix(in srgb, var(--accent) 15%, transparent), transparent 62%),
    radial-gradient(700px 600px at 62% 106%, color-mix(in srgb, var(--accent-2) 13%, transparent), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  line-height: 1.5;
}

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

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 28px; }

/* Header */
header.site {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 11, 20, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 18%, var(--border));
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.wordmark {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.wordmark .wm-accent {
  font-weight: 500;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.header-actions { display: flex; align-items: center; gap: 10px; }

/* Language switch — shares localStorage key with the app itself, so a
   choice made here carries straight through to /app/. */
.lang-switch {
  display: inline-flex;
  gap: 2px;
  padding: 2px;
  border-radius: 999px;
  background: rgba(148, 163, 220, 0.08);
  border: 1px solid color-mix(in srgb, var(--accent) 16%, var(--border));
}
.lang-switch a {
  display: inline-block;
  border: none;
  background: transparent;
  color: var(--text-faint);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 5px 11px;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s var(--ease), color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.lang-switch a:hover { color: var(--text-dim); }
.lang-switch a.active {
  background: color-mix(in srgb, var(--accent) 24%, transparent);
  color: var(--accent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 30%, transparent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(20, 24, 30, 0.6);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease), transform 0.1s var(--ease), box-shadow 0.15s var(--ease);
}
.btn:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); transform: translateY(-1px); }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: #05070f;
  box-shadow: 0 0 30px color-mix(in srgb, var(--accent) 50%, transparent);
}
.btn-primary:hover {
  filter: brightness(1.06);
  box-shadow: 0 0 42px color-mix(in srgb, var(--accent) 65%, transparent);
}
.btn .icon { width: 16px; height: 16px; flex-shrink: 0; }

/* Hero */
.hero { padding: 96px 0 40px; text-align: center; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--accent-2) 75%, var(--text-dim));
  padding: 6px 14px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--border));
  margin-bottom: 22px;
}
.hero-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }
.hero h1 {
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin: 0 0 22px;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p.lead {
  max-width: 620px;
  margin: 0 auto 36px;
  color: var(--text-dim);
  font-size: 17px;
  line-height: 1.6;
}
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.hero-fine { font-size: 12.5px; color: var(--text-faint); }

/* Hero screenshot */
.hero-shot-wrap { margin-top: 64px; position: relative; }
.hero-shot-glow {
  position: absolute;
  inset: -60px -20px auto -20px;
  height: 340px;
  background: radial-gradient(60% 100% at 50% 0%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
}
.hero-shot {
  position: relative;
  border-radius: 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border));
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55), 0 0 100px color-mix(in srgb, var(--accent) 18%, transparent);
  overflow: hidden;
  max-width: 980px;
  margin: 0 auto;
}
.hero-shot img { display: block; width: 100%; height: auto; }

/* Sections */
section { padding: 88px 0; }
.section-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 10px;
  text-align: center;
}
h2.section-title {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-align: center;
  margin: 0 0 14px;
}
p.section-lead {
  text-align: center;
  color: var(--text-dim);
  font-size: 15.5px;
  max-width: 560px;
  margin: 0 auto 52px;
  line-height: 1.6;
}

/* Value props */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.value-card {
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  background: rgba(13, 18, 32, 0.46);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--border));
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 34px color-mix(in srgb, var(--accent) 12%, transparent);
}
.value-card .icon-wrap {
  width: 40px; height: 40px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  color: var(--accent);
  margin-bottom: 16px;
}
.value-card .icon-wrap svg { width: 20px; height: 20px; }
.value-card h3 { font-size: 15.5px; font-weight: 700; margin: 0 0 8px; }
.value-card p { font-size: 13.5px; color: var(--text-dim); margin: 0; line-height: 1.55; }

/* Feature grid */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card {
  border-radius: var(--radius-lg);
  padding: 24px;
  background: rgba(13, 18, 32, 0.46);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
}
.feature-card .icon-wrap {
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--accent-2) 18%, transparent);
  color: var(--accent-2);
  margin-bottom: 14px;
}
.feature-card .icon-wrap svg { width: 18px; height: 18px; }
.feature-card h3 { font-size: 14.5px; font-weight: 700; margin: 0 0 7px; }
.feature-card p { font-size: 13px; color: var(--text-dim); margin: 0; line-height: 1.55; }

/* Excel comparison */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.compare-card {
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  background: rgba(13, 18, 32, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
}
.compare-card.highlight {
  background: rgba(13, 18, 32, 0.5);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 60px color-mix(in srgb, var(--accent) 18%, transparent);
}
.compare-card h3 { font-size: 17px; font-weight: 800; margin: 0 0 20px; letter-spacing: -0.01em; }
.compare-card ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.compare-card li { display: flex; align-items: flex-start; gap: 11px; font-size: 14px; color: var(--text-dim); line-height: 1.5; }
.compare-card li svg { flex-shrink: 0; margin-top: 2px; width: 17px; height: 17px; }
.compare-card:not(.highlight) li svg { color: var(--text-faint); }
.compare-card.highlight li { color: var(--text); }
.compare-card.highlight li svg { color: var(--accent-2); }

/* Showcase */
.showcase-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.showcase-shot {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--border));
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 60px color-mix(in srgb, var(--accent) 10%, transparent);
}
.showcase-shot img { display: block; width: 100%; height: auto; }

/* Mobile section */
.mobile-grid { display: grid; grid-template-columns: 1fr 1.35fr; gap: 24px; align-items: center; }
.mobile-points { display: grid; gap: 14px; }
.mobile-point { padding: 20px 22px; }
.mobile-point h3 { margin: 0 0 6px; font-size: 16px; }
.mobile-point p { margin: 0; }

/* How it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; position: relative; }
.step {
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  background: rgba(13, 18, 32, 0.46);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--border));
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}
.step .step-num {
  width: 30px; height: 30px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; font-family: inherit;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #05070f;
  margin-bottom: 16px;
}
.step h3 { font-size: 15px; font-weight: 700; margin: 0 0 8px; }
.step p { font-size: 13.5px; color: var(--text-dim); margin: 0; line-height: 1.55; }

/* CTA band */
.cta-band {
  border-radius: 24px;
  padding: 56px 40px;
  text-align: center;
  background: rgba(13, 18, 32, 0.5);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--border));
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), 0 0 90px color-mix(in srgb, var(--accent) 22%, transparent);
}
.cta-band h2 { font-size: 28px; font-weight: 800; margin: 0 0 14px; letter-spacing: -0.02em; }
.cta-band p { color: var(--text-dim); font-size: 15px; margin: 0 0 28px; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* Footer */
footer.site { padding: 48px 0 60px; border-top: 1px solid var(--border); margin-top: 20px; }
footer.site .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
footer.site .foot-left { display: flex; flex-direction: column; gap: 4px; }
footer.site .foot-links { display: flex; gap: 22px; font-size: 13.5px; color: var(--text-dim); }
footer.site .foot-links a:hover { color: var(--text); }
footer.site .fine { font-size: 12.5px; color: var(--text-faint); }

/* Legal pages (Impressum / Datenschutz) */
.legal { padding: 56px 0 100px; }
.legal .legal-wrap { max-width: 760px; margin: 0 auto; padding: 0 28px; }
.legal h1 { font-size: 32px; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 8px; }
.legal .legal-updated { color: var(--text-faint); font-size: 13px; margin: 0 0 36px; }
.legal h2 { font-size: 19px; font-weight: 700; margin: 40px 0 14px; letter-spacing: -0.01em; }
.legal h2:first-of-type { margin-top: 0; }
.legal h3 { font-size: 15px; font-weight: 700; margin: 22px 0 8px; color: var(--text); }
.legal p { color: var(--text-dim); font-size: 14.5px; line-height: 1.7; margin: 0 0 14px; }
.legal ul { color: var(--text-dim); font-size: 14.5px; line-height: 1.7; margin: 0 0 14px; padding-left: 20px; }
.legal li { margin-bottom: 7px; }
.legal a { color: var(--accent-2); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--accent-2) 40%, transparent); }
.legal a:hover { text-decoration-color: var(--accent-2); }
.legal strong { color: var(--text); }
.legal-box {
  border-radius: var(--radius-lg);
  padding: 24px 26px;
  margin-bottom: 8px;
  background: rgba(13, 18, 32, 0.42);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, var(--border));
}
.legal-back { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; color: var(--text-dim); margin-bottom: 28px; text-decoration: none; }
.legal-back:hover { color: var(--text); }
.legal-back svg { width: 15px; height: 15px; }

@media (max-width: 900px) {
  .value-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase-grid, .steps, .compare-grid, .mobile-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 36px; }
}
@media (max-width: 600px) {
  .value-grid, .feature-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 24px; }
  section { padding: 56px 0; }
  header.site .wrap { height: auto; padding: 14px 20px; flex-wrap: wrap; gap: 12px; }
}