/* ============================================================
   AlphaAbsolut — Professional Dark Theme
   ============================================================ */

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

:root {
  --bg-hero:    #0d1117;
  --bg-card:    #161b22;
  --bg-section: #21262d;
  --accent:     #58a6ff;
  --text:       #e6edf3;
  --muted:      #8b949e;
  --border:     #30363d;
  --radius:     8px;
  --max-width:  1100px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg-hero);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

/* ---- Layout ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 80px 0;
}

/* ---- Navigation ---- */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.15s;
}

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

/* ---- Hero ---- */
#hero {
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  background: var(--bg-hero);
  padding: 0;
}

.hero-inner {
  padding: 100px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-headline {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 20px;
}

.hero-subline {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--muted);
  margin-bottom: 40px;
  max-width: 580px;
}

.hero-subline strong {
  color: var(--accent);
  font-weight: 600;
}

.btn-primary {
  display: inline-block;
  padding: 13px 28px;
  background: var(--accent);
  color: #0d1117;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: default;
  opacity: 0.45;
  letter-spacing: 0.02em;
}

.hero-disclaimer {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--muted);
}

/* ---- Section headings ---- */
.section-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 8px;
}

.section-sub {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 56px;
  max-width: 540px;
}

/* ---- Kennzahlen ---- */
#kennzahlen {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.metric-card {
  background: var(--bg-card);
  padding: 36px 28px;
  text-align: center;
}

.metric-value {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 10px;
}

.metric-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}

.chart-container {
  margin-top: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.chart-img {
  width: 100%;
  display: block;
}

.chart-caption {
  background: var(--bg-card);
  padding: 12px 20px 6px;
  font-size: 0.72rem;
  color: var(--muted);
  text-align: center;
  border-top: 1px solid var(--border);
  margin: 0;
}

.chart-bias-note {
  background: var(--bg-card);
  padding: 4px 20px 12px;
  font-size: 0.72rem;
  color: var(--accent);
  text-align: center;
  margin: 0;
  opacity: 0.8;
}

.metric-note {
  font-size: 0.72rem;
  color: var(--muted);
  opacity: 0.65;
}

/* ---- Strategie / Three pillars ---- */
#strategie {
  background: var(--bg-hero);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
}

.pillar-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
  display: block;
}

.pillar-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.pillar-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ---- Über Ron ---- */
#ueber {
  background: var(--bg-section);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 48px;
  align-items: center;
  max-width: 720px;
}

.about-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  flex-shrink: 0;
  border: 2px solid var(--accent);
}

.about-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.about-role {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.about-bio {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ---- FAQ ---- */
#faq {
  background: var(--bg-hero);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 760px;
}

.faq-item {
  background: var(--bg-card);
  padding: 28px 32px;
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.faq-answer {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ---- Footer ---- */
footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-brand {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.footer-legal {
  font-size: 0.75rem;
  color: var(--muted);
  text-align: right;
  max-width: 520px;
  line-height: 1.5;
}

/* ---- Language Toggle ---- */
.lang-toggle { display: flex; align-items: center; gap: 4px; margin-left: 24px; }
.lang-btn { background: none; border: none; color: var(--muted); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em; cursor: pointer; padding: 2px 4px; }
.lang-btn.active { color: var(--accent); }
.lang-btn:hover { color: var(--text); }
.lang-sep { color: var(--border); font-size: 0.78rem; }

/* ---- Divider ---- */
.divider {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin-bottom: 48px;
  border: none;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 860px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pillars-grid {
    grid-template-columns: 1fr;
  }

  nav .nav-links {
    display: none;
  }
}

@media (max-width: 600px) {
  section {
    padding: 56px 0;
  }

  .metrics-grid {
    grid-template-columns: 1fr 1fr;
  }

  .metric-value {
    font-size: 1.9rem;
  }

  .about-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 24px;
  }

  .about-photo {
    margin: 0 auto;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal {
    text-align: center;
  }

  .faq-item {
    padding: 24px 20px;
  }
}