/* ============================================================
   ImmoMVP — Zentrale Subpage-CSS (Apple-Dark Reinterpretation)
   Für Über uns + künftige Unterseiten.
   Token-Namen bleiben kompatibel zur alten Inline-Definition,
   tragen aber Apple-Werte (systemBlue, #000-Base, frosted nav).
   ============================================================ */
:root {
  /* tint — the single accent */
  --brand-primary: #0A84FF;
  --brand-primary-light: #0A84FF;
  --brand-primary-dark: #0A84FF;
  --brand-teal: #40CBE0;
  --blue: #0A84FF;
  --grad-primary: #0A84FF;           /* solid — used as background */
  --grad-primary-hover: #2a93ff;
  --grad-text: linear-gradient(135deg, #FFFFFF 25%, #CAD2DE);

  /* surfaces — base recedes, elevated comes forward */
  --bg-primary: #000000;
  --bg-secondary: #0A0A0C;
  --bg-surface: #1C1C1E;
  --bg-surface-2: #2C2C2E;
  --bg-card-landing: #1C1C1E;

  /* hairlines */
  --border-subtle: rgba(255,255,255,.06);
  --border-landing: rgba(255,255,255,.08);
  --border-glow: rgba(10,132,255,.4);

  /* labels — Apple alpha composites */
  --fg-primary: #FFFFFF;
  --fg-primary-soft: #EBEBF5;
  --fg-secondary: rgba(235,235,245,.60);
  --fg-muted: rgba(235,235,245,.30);

  /* semantic */
  --color-success-app: #30D158;
  --color-danger: #FF453A;
  --color-amber: #FF9F0A;

  --shadow-glow-sm: 0 8px 28px rgba(0,0,0,.5);
  --shadow-glow-md: 0 24px 70px rgba(0,0,0,.6);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --radius-pill: 980px;
  --radius-card: 22px;
  --ease-out-cubic: cubic-bezier(0.16, 1, 0.3, 1);
  --spring-smooth: cubic-bezier(0.32, 0.72, 0, 1);
  --spring-snappy: cubic-bezier(0.34, 1.32, 0.46, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body { background: var(--bg-primary); color: #fff; font-family: var(--font-sans); }
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
::selection { background: rgba(10,132,255,.22); }

/* ── Nav (the single glass layer) ── */
.hf-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; isolation: isolate; }
.hf-nav::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: rgba(20,20,22,.6);
  backdrop-filter: saturate(180%) blur(22px); -webkit-backdrop-filter: saturate(180%) blur(22px);
  opacity: 0; transition: opacity .4s var(--spring-smooth);
}
.hf-nav.scrolled::before { opacity: 1; }
.hf-nav::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--border-landing); opacity: 0; transition: opacity .4s var(--spring-smooth); pointer-events: none;
}
.hf-nav.scrolled::after { opacity: 1; }
.hf-nav-inner { max-width: 1120px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; gap: 28px; height: 56px; }
.hf-nav-logo { display: flex; align-items: center; gap: 9px; flex-shrink: 0; }
.hf-nav-logo img { height: 30px; width: auto; }
.hf-nav-logo span { font: 600 18px var(--font-sans); letter-spacing: -.02em; }
.hf-nav-links { display: flex; gap: 28px; margin: 0 auto; }
.hf-nav-links a { font: 400 14px var(--font-sans); letter-spacing: -.005em; color: var(--fg-secondary); transition: color .2s var(--ease-out-cubic); white-space: nowrap; }
.hf-nav-links a:hover, .hf-nav-links a.active { color: #fff; }
.hf-nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.hf-nav-status {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: var(--radius-pill);
  background: rgba(48,209,88,.12); border: 1px solid rgba(48,209,88,.3); color: var(--color-success-app);
  font: 600 11px var(--font-sans); letter-spacing: .02em; white-space: nowrap;
}
.hf-nav-btn-ghost { font: 400 14px var(--font-sans); color: var(--fg-secondary); padding: 8px 12px; transition: color .2s; }
.hf-nav-btn-ghost:hover { color: #fff; }
.hf-nav-cta {
  padding: 8px 16px; border-radius: var(--radius-pill); border: none;
  background: var(--blue); color: #fff; cursor: pointer; font: 600 14px var(--font-sans); letter-spacing: -.01em;
  transition: transform .4s var(--spring-snappy), background .25s var(--ease-out-cubic), box-shadow .3s var(--ease-out-cubic);
}
.hf-nav-cta:hover { transform: scale(1.035); background: #2a93ff; box-shadow: 0 6px 22px rgba(10,132,255,.4); }
.hf-nav-cta:active { transform: scale(.97); }

/* ── Layout primitives ── */
.au-section { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.au-eyebrow { font: 600 13px var(--font-sans); color: var(--blue); letter-spacing: -.005em; margin-bottom: 14px; }
.au-h2 {
  font: 600 clamp(30px, 4vw, 46px)/1.08 var(--font-sans); letter-spacing: -.022em; max-width: 720px;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.au-lead { font: 400 clamp(16px, 1.4vw, 18px)/1.6 var(--font-sans); letter-spacing: -.005em; color: var(--fg-secondary); max-width: 620px; }

/* ── Card pattern (calm: neutral lift, blue hairline) ── */
.au-card {
  background: var(--bg-card-landing); border: 1px solid var(--border-landing); border-radius: var(--radius-card);
  padding: 26px; transition: transform .4s var(--spring-smooth), border-color .3s var(--ease-out-cubic), background .3s var(--ease-out-cubic);
}
.au-card:hover { transform: translateY(-3px); border-color: var(--border-glow); background: var(--bg-surface-2); }

/* ── Spotlight hover (subtle, blue) ── */
.spotlight-card { position: relative; overflow: hidden; }
.spotlight-card > * { position: relative; z-index: 1; }
.spotlight-card::before {
  content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none; border-radius: inherit;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%),
    rgba(10,132,255,.16), rgba(10,132,255,.05) 35%, transparent 62%);
  opacity: 0; transition: opacity .35s var(--ease-out-cubic);
}
.spotlight-card:hover::before { opacity: 1; }
.spotlight-card .card-icon { transition: transform .4s var(--spring-snappy); will-change: transform; }
.spotlight-card:hover .card-icon { transform: scale(1.1); }
@media (prefers-reduced-motion: reduce) { .spotlight-card:hover .card-icon { transform: none; } }
.au-icon-tile {
  width: 44px; height: 44px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center;
  background: rgba(10,132,255,.14); border: 1px solid rgba(10,132,255,.3); margin-bottom: 18px; color: var(--blue);
}

/* ── Buttons (flat systemBlue capsule + quiet neutral) ── */
.btn-premium {
  position: relative; padding: 15px 30px; border-radius: var(--radius-pill); border: none;
  background: var(--blue); color: #fff; cursor: pointer; font: 600 16px var(--font-sans); letter-spacing: -.01em;
  display: inline-flex; align-items: center;
  transition: transform .4s var(--spring-snappy), background .25s var(--ease-out-cubic), box-shadow .3s var(--ease-out-cubic);
}
.btn-premium:hover { transform: scale(1.035); background: #2a93ff; box-shadow: 0 6px 22px rgba(10,132,255,.4); }
.btn-premium:active { transform: scale(.97); }
.btn-premium .btn-label { position: relative; z-index: 2; display: inline-flex; align-items: center; gap: 8px; }
.btn-premium .btn-label svg { transition: transform .3s var(--ease-out-cubic); }
.btn-premium:hover .btn-label svg { transform: translateX(4px); }
.btn-glass {
  padding: 14px 28px; border-radius: var(--radius-pill); background: var(--bg-surface-2);
  border: 1px solid var(--border-landing); color: #fff; cursor: pointer; font: 600 16px var(--font-sans); letter-spacing: -.01em;
  display: inline-flex; align-items: center; gap: 8px;
  transition: transform .4s var(--spring-snappy), background .25s var(--ease-out-cubic);
}
.btn-glass:hover { transform: scale(1.035); background: #3a3a3c; }
.btn-glass:active { transform: scale(.97); }

/* ── Reveal on scroll ── */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease-out-cubic), transform .9s var(--spring-smooth); }
.reveal.in { opacity: 1; transform: none; }

/* ── Footer ── */
.hf-footer { border-top: 1px solid var(--border-landing); margin-top: 100px; }
.hf-footer-grid { max-width: 1120px; margin: 0 auto; padding: 56px 24px; display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 40px; }
.hf-footer-grid a { font: 400 14px var(--font-sans); color: var(--fg-secondary); transition: color .2s; }
.hf-footer-grid a:hover { color: #fff; }
.hf-footer-bottom { max-width: 1120px; margin: 0 auto; padding: 18px 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; border-top: 1px solid var(--border-landing); }

/* ── Responsive ── */
@media (max-width: 980px) { .hf-nav-links { display: none; } }
@media (max-width: 900px) { .hf-footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; } }
@media (max-width: 800px) { .au-story-grid, .au-loc-grid { grid-template-columns: 1fr !important; gap: 32px !important; } }
@media (max-width: 560px) {
  .hf-nav-actions .hf-nav-status { display: none; }
  .hf-footer-grid { grid-template-columns: 1fr; }
  .hf-nav-inner { padding: 0 18px; }
  .au-section { padding: 0 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { transition: opacity .4s ease; transform: none; }
  html { scroll-behavior: auto; }
}