/* avub.io One-Pager — site-level styles
 * Forked from the UI kit's site.css with one-pager-specific additions
 * (smooth scroll, anchor offsets, section themes, FAQ accordion).
 */
@import url('colors_and_type.css');

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-app);
  color: var(--fg-1);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

/* Anchor offset so smooth-scrolled targets don't sit under the floating nav. */
.anchor { display: block; position: relative; top: -84px; visibility: hidden; }

/* ---- Layout primitives ---- */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.section { padding: 112px 0; }
.section-tight { padding: 72px 0; }
.section.dark { background: var(--ink-black); color: var(--fg-on-dark); }
.section.sunk { background: var(--paper-off); }
.section.surface { background: var(--bg-surface); }
.section.brand { background: var(--brand-navy); color: #fff; }
.section.dark h1, .section.dark h2, .section.dark h3,
.section.brand h1, .section.brand h2, .section.brand h3 { color: #fff; }
.section.dark p, .section.brand p { color: rgba(255,255,255,0.78); }
.section.dark .lead, .section.brand .lead { color: rgba(255,255,255,0.86); }
.section.dark .muted, .section.brand .muted { color: rgba(255,255,255,0.6); }

/* ---- Eyebrow + heading helpers ---- */
.eyebrow {
  font-family: var(--font-tagline);
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent-teal);
}
.section.dark .eyebrow, .section.brand .eyebrow { color: var(--accent-cyan); }
h1, h2, h3 { color: var(--fg-2); font-family: var(--font-tagline); font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(40px, 5vw, 64px); line-height: 1.05; }
h2 { font-size: clamp(28px, 3.2vw, 44px); line-height: 1.1; }
h3 { font-size: 22px; line-height: 1.2; }
p { line-height: 1.65; color: var(--fg-1); margin: 0; }
.lead { font-size: 19px; color: var(--fg-2); line-height: 1.55; max-width: 56ch; }
.muted { color: var(--fg-3); }

/* ---- Pill button ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-tagline);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 13px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background 200ms var(--ease-standard, cubic-bezier(0.2,0.6,0.2,1)),
              color 200ms, border-color 200ms, box-shadow 200ms, transform 200ms;
  text-decoration: none;
  cursor: pointer;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand-navy); color: #fff; }
.btn-primary:hover { background: var(--brand-navy-deep); }
.btn-secondary { background: transparent; color: var(--brand-navy); border-color: var(--brand-navy); }
.btn-secondary:hover { background: var(--brand-navy); color: #fff; }
.btn-ghost { background: transparent; color: var(--fg-2); border-color: var(--border-2); }
.btn-ghost:hover { color: var(--brand-navy); border-color: var(--brand-navy); }
.btn-accent { background: var(--accent-cyan); color: var(--ink-black); }
.btn-accent:hover { background: var(--accent-cyan-mid); color: #fff; }
.btn-onDark { background: rgba(255,255,255,0.06); color: #fff; border-color: rgba(255,255,255,0.18); backdrop-filter: blur(8px); }
.btn-onDark:hover { background: rgba(255,255,255,0.14); }

/* ---- Card ---- */
.card-base {
  background: #fff;
  border: 1px solid var(--border-1);
  border-radius: 12px;
  padding: 28px;
  transition: box-shadow 200ms, border-color 200ms, transform 200ms;
}
.card-base.is-interactive { cursor: pointer; }
.card-base.is-interactive:hover {
  border-color: transparent;
  box-shadow: 0 8px 24px rgba(20,34,49,0.10), 0 2px 6px rgba(20,34,49,0.05);
  transform: translateY(-2px);
}

/* ---- Form fields ---- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-family: var(--font-tagline); font-weight: 700; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.18em; color: var(--fg-3); }
.field input, .field textarea {
  font-family: var(--font-body);
  font-size: 16px;
  padding: 14px 18px;
  border-radius: 10px;
  border: 1px solid var(--border-1);
  background: #fff;
  color: var(--fg-1);
  outline: none;
  transition: border-color 200ms, box-shadow 200ms;
  font-weight: 400;
  width: 100%;
}
.field input::placeholder, .field textarea::placeholder { color: var(--fg-4); }
.field input:focus, .field textarea:focus {
  border-color: var(--brand-navy);
  box-shadow: 0 0 0 3px rgba(60,188,204,0.22);
}
.field textarea { resize: vertical; min-height: 120px; }

/* ---- FAQ accordion (uses <details>) ---- */
.faq-item {
  border-top: 1px solid var(--border-1);
  padding: 0;
}
.faq-item:last-child { border-bottom: 1px solid var(--border-1); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  font-family: var(--font-tagline);
  font-weight: 700;
  font-size: 18px;
  color: var(--fg-2);
  transition: color 200ms;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--brand-navy); }
.faq-item summary .chev {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border-2);
  flex-shrink: 0;
  transition: transform 240ms var(--ease-standard), background 200ms, border-color 200ms, color 200ms;
  color: var(--fg-3);
}
.faq-item[open] summary .chev {
  transform: rotate(45deg);
  background: var(--brand-navy);
  border-color: var(--brand-navy);
  color: #fff;
}
.faq-item .answer {
  padding: 0 56px 28px 0;
  color: var(--fg-2);
  font-size: 16px;
  line-height: 1.65;
  max-width: 68ch;
}

/* ---- Process steps ---- */
.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.steps::before {
  content: "";
  position: absolute;
  top: 30px;
  left: 30px; right: 30px;
  height: 1px;
  background: repeating-linear-gradient(to right, var(--border-2) 0 8px, transparent 8px 14px);
}
.step-dot {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--border-2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-tagline); font-weight: 700;
  font-size: 18px;
  color: var(--brand-navy);
  position: relative;
  z-index: 2;
}
.step-dot.filled { background: var(--brand-navy); color: #fff; border-color: var(--brand-navy); }
.step-dot.accent { background: var(--accent-cyan); color: var(--ink-black); border-color: var(--accent-cyan); }

/* ---- Saeulen Card Hover-Lift ----
 * PillarCard nutzt eigene Inline-Card-Styles (kein .card-base), daher
 * brauchen die drei Saeulen ihre eigenen Hover-Regeln, damit sie sich
 * konsistent wie die Referenz-Karten anfuehlen. Alle drei einheitlich,
 * inkl. der "Featured"-Karte (Digitalisieren), die schon Schatten hat
 * und einen etwas staerkeren Lift-Schatten bekommt.
 */
.pillar-card {
  cursor: default;
  transition: transform 200ms var(--ease-standard, cubic-bezier(0.2,0.6,0.2,1)),
              box-shadow 200ms;
}
.pillar-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(20, 34, 49, 0.10), 0 2px 6px rgba(20, 34, 49, 0.05);
}
.pillar-card--featured:hover {
  /* Featured-Card hat schon einen kraeftigen Schatten als visual anchor;
     beim Hover heben wir ihn nur etwas an statt zu ersetzen. */
  box-shadow: 0 32px 64px rgba(20, 34, 49, 0.26), 0 8px 16px rgba(20, 34, 49, 0.12);
}

/* ---- Reveal on scroll ---- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }

/* ---- Mid-page CTA band ---- */
.cta-band {
  background: var(--brand-navy);
  color: #fff;
  border-radius: 16px;
  padding: 56px;
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 48px;
  align-items: center;
  box-shadow: 0 24px 56px rgba(20,34,49,0.18), 0 6px 12px rgba(20,34,49,0.08);
}
.cta-band h2 { color: #fff; margin: 0 0 12px; max-width: 22ch; }
.cta-band p { color: rgba(255,255,255,0.72); max-width: 50ch; }
.cta-band .eyebrow { color: var(--accent-cyan); margin-bottom: 14px; }

/* ---- Tag chip ---- */
.tag {
  font-family: var(--font-tagline); font-weight: 700;
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--fg-2);
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-2);
  display: inline-flex; align-items: center;
}
.tag.cyan {
  color: var(--accent-teal);
  background: rgba(60,188,204,0.10);
  border-color: rgba(60,188,204,0.30);
}

/* ---- Responsive ---- */
@media (max-width: 960px) {
  .container { padding: 0 22px; }
  .section { padding: 80px 0; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps::before { display: none; }
  .cta-band { grid-template-columns: 1fr; padding: 36px; }
}
@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .steps { grid-template-columns: 1fr; }
}

/* ============================================================
   Mobile (<=768px) — JSX inline-grids per Klasse aufbrechen.
   Inline-Styles haben höhere Spezifität als plain CSS, daher !important.
   ============================================================ */
@media (max-width: 768px) {
  /* Über mich: vertikal stapeln, Profilfoto unter den Text */
  .ueber-grid {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
  }
  .ueber-grid > div:first-child {  /* Portrait-Container */
    order: 2;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    aspect-ratio: 4 / 5;
    min-height: 360px;
  }
  .ueber-grid > div:last-child {   /* Text-Block */
    order: 1;
  }
  .ueber-stats {
    grid-template-columns: 1fr 1fr !important;
    gap: 18px !important;
  }

  /* Drei Säulen: untereinander, volle Breite */
  .saulen-grid {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
  }

  /* Referenzen: drei Karten untereinander */
  .referenzen-grid {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
  }
  /* min-width: 0 zwingt Grid-Items auf 1fr statt content-min-width.
     Ohne das ueberschreibt der intrinsische Min-Width des Card-Headers
     (Logo 52px + nowrap badge "seit 2024" + Pfeil) die 1fr-Spalte
     und sprengt den Viewport auf schmalen Phones. */
  .referenzen-grid > a,
  .referenzen-grid > a > article,
  .saulen-grid > article {
    min-width: 0;
    max-width: 100%;
  }
  /* Card-Header und -Body auf Mobile etwas straffer + wrap-bar */
  .referenzen-grid article > div:first-child {
    padding: 20px 20px 16px !important;
    flex-wrap: wrap !important;
    gap: 10px !important;
  }
  .referenzen-grid article > div:nth-child(2) {
    padding: 18px 20px !important;
  }
  .referenzen-card-link {
    -webkit-tap-highlight-color: rgba(60,188,204,0.15);
  }

  /* Prozess-Heading 2-col -> 1-col */
  .prozess-heading {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  /* Kontakt: Form über Aside */
  .kontakt-grid {
    grid-template-columns: 1fr !important;
    gap: 22px !important;
  }
  .kontakt-name-row {
    grid-template-columns: 1fr !important;
  }

  /* Footer: 4 Spalten -> 1 Spalte */
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 36px !important;
    padding-bottom: 36px !important;
  }

  /* Anchor-Offset etwas reduzieren auf Mobile (kleinere Nav-Pille) */
  .anchor { top: -68px; }

  /* Scroll-to-Top Button etwas höher, damit er nicht am Safe-Area klebt */
  .scroll-to-top {
    bottom: 18px !important;
  }
}

/* ============================================================
   Schmalere Phones (<=480px): Container-Padding straffer
   ============================================================ */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  /* Card-stats können auch stacken (zwei Hölzer auf 280px wirken eng) */
  .case-stats {
    grid-template-columns: 1fr 1fr !important;  /* bleibt 2-spaltig, aber gap kleiner */
    gap: 12px !important;
  }
}

/* ============================================================
   Sehr schmal (<=380px, iPhone SE etc.): Stats auch stapeln
   ============================================================ */
@media (max-width: 380px) {
  .ueber-stats {
    grid-template-columns: 1fr !important;
  }
}