/* Seitensystem für Startseite und Leistungsseiten (ursprünglich Brand-KI-Kit). Baut auf styles.css auf (Arial, #1a1a2e, #e94560, #f5f5f5). */
.bk {
  --navy: #1a1a2e;
  --navy-2: #24243e;
  --accent: #e94560;
  --accent-dark: #c0392b;
  --accent-text: #c22f4a;
  --ink: #333;
  --muted: #555;
  --line: #e2e2e8;
  --bg: #f5f5f5;
  color: var(--ink);
  line-height: 1.55;
}
.bk *, .bk *::before, .bk *::after { box-sizing: border-box; }
.bk-wrap { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.bk-section { padding: 80px 0; }
.bk-section--white { background: #fff; }
.bk-section h2 { font-size: 34px; line-height: 1.2; margin: 0 0 14px; color: var(--navy); }
.bk-lead { font-size: 18px; color: var(--muted); max-width: 680px; margin: 0 auto 40px; }
.bk-note { font-size: 14px; color: #666; margin-top: 24px; }

/* Hero */
.bk-hero { background: var(--navy); color: #fff; padding: 50px 20px 0; overflow: hidden; }
.bk-hero .logo { margin-bottom: 30px; }
.bk-kicker { display: inline-block; font-size: 14px; font-weight: bold; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.bk-hero h1 { font-size: 48px; line-height: 1.12; margin: 0 auto 18px; max-width: 820px; }
.bk-hero p { font-size: 20px; line-height: 1.5; color: #d6d6e2; max-width: 680px; margin: 0 auto 28px; }
.bk-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.bk .btn { padding: 14px 26px; font-size: 17px; }
.btn--ghost { background: transparent; border: 2px solid #5a5a78; padding: 12px 24px !important; }
.btn--ghost:hover { background: #2c2c48; border-color: #8a8aa8; }
.bk-hero .bk-works, .bk-cta .bk-works { margin: 30px auto 0; font-size: 15px; color: #b9b9cc; }
.bk-works strong { color: #fff; }

.bk-collage { position: relative; max-width: 880px; height: 400px; margin: 50px auto 0; }
.bk-collage img { position: absolute; width: 300px; height: 300px; border-radius: 10px; box-shadow: 0 24px 50px rgba(0,0,0,.45); }
.bk-collage img:nth-child(1) { left: 0; top: 60px; transform: rotate(-5deg); }
.bk-collage img:nth-child(2) { left: 50%; margin-left: -150px; top: 10px; transform: rotate(1deg); z-index: 2; }
.bk-collage img:nth-child(3) { right: 0; top: 60px; transform: rotate(5deg); }

/* Vorher / Nachher */
.bk-prompt { display: inline-block; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 22px; font-size: 17px; margin-bottom: 30px; box-shadow: 0 4px 10px rgba(0,0,0,.05); }
.bk-prompt b { color: var(--accent-text); margin-right: 6px; }
.bk-section--white .bk-prompt { background: var(--bg); }
.bk-compare { display: flex; flex-wrap: wrap; justify-content: center; gap: 30px; }
.bk-compare figure { margin: 0; flex: 0 1 360px; }
.bk-compare img { width: 100%; height: auto; display: block; border-radius: 10px; box-shadow: 0 4px 14px rgba(0,0,0,.1); }
.bk-compare .is-before img { border: 1px solid #ddd; box-shadow: none; }
.bk-compare figcaption { margin-top: 12px; font-size: 16px; color: var(--muted); }
.bk-compare figcaption strong { color: var(--navy); }

/* Schritte */
.bk-steps { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.bk-steps li { background: #fff; border-radius: 10px; box-shadow: 0 4px 10px rgba(0,0,0,.08); padding: 28px 24px; flex: 1 1 260px; max-width: 340px; }
.bk-section--white .bk-steps li { background: var(--bg); box-shadow: none; }
.bk-num { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 50%; background: var(--navy); color: #fff; font-weight: bold; font-size: 19px; margin-bottom: 12px; }
.bk-steps li:last-child .bk-num { background: var(--accent); }
.bk-steps h3 { margin: 0 0 8px; font-size: 20px; color: var(--navy); }
.bk-steps p { margin: 0; color: #444; }
.bk-when { display: block; font-size: 13px; font-weight: bold; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-text); margin-bottom: 6px; }

/* Beispiele */
.bk-examples { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.bk-example { flex: 1 1 230px; max-width: 260px; text-align: left; }
.bk-example img { width: 100%; height: auto; display: block; border-radius: 10px; box-shadow: 0 4px 14px rgba(0,0,0,.12); transition: transform .2s ease; }
.bk-example:hover img { transform: translateY(-5px); }
.bk-example h3 { margin: 16px 0 4px; font-size: 19px; color: var(--navy); }
.bk-example p { margin: 0; font-size: 15px; color: var(--muted); }

/* Pakete */
.bk-plans { display: flex; flex-wrap: wrap; justify-content: center; align-items: stretch; gap: 24px; }
.bk-plan { position: relative; background: #fff; border-radius: 10px; box-shadow: 0 4px 10px rgba(0,0,0,.08); padding: 32px 26px; flex: 1 1 290px; max-width: 350px; display: flex; flex-direction: column; text-align: left; }
.bk-plan h3 { margin: 0 0 6px; font-size: 22px; color: var(--navy); }
.bk-plan .bk-for { font-size: 15px; color: var(--muted); margin: 0 0 18px; min-height: 46px; }
.bk-price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px; margin-bottom: 22px; }
.bk-price span:first-child { font-size: 40px; font-weight: bold; color: var(--navy); letter-spacing: -.01em; }
.bk-price span:last-child { font-size: 15px; color: var(--muted); }
.bk-plan ul { list-style: none; margin: 0 0 26px; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 15.5px; }
.bk-plan li { position: relative; padding-left: 28px; }
.bk-plan li::before { content: ""; position: absolute; left: 2px; top: 5px; width: 12px; height: 7px; border-left: 3px solid var(--accent); border-bottom: 3px solid var(--accent); transform: rotate(-45deg); }
.bk-plan li.is-no { color: #999; }
.bk-plan li.is-no::before { width: 12px; height: 0; top: 10px; border-left: 0; border-bottom: 2px solid #bbb; transform: none; }
.bk-plan .btn { margin-top: auto; text-align: center; }
.bk-plan .btn--outline { background: transparent; color: var(--navy); border: 2px solid var(--navy); padding: 12px 24px; }
.bk-plan .btn--outline:hover { background: var(--navy); color: #fff; }
.bk-plan--featured { background: var(--navy); color: #fff; box-shadow: 0 18px 40px rgba(26,26,46,.3); transform: translateY(-12px); }
.bk-plan--featured h3, .bk-plan--featured .bk-price span:first-child { color: #fff; }
.bk-plan--featured .bk-for, .bk-plan--featured .bk-price span:last-child { color: #c9c9da; }
.bk-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: 13px; font-weight: bold; padding: 6px 14px; border-radius: 20px; white-space: nowrap; }

.bk-addon { max-width: 1098px; margin: 40px auto 0; background: #fff; border: 2px dashed #c9c9d6; border-radius: 10px; padding: 26px 28px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; text-align: left; }
.bk-addon h3 { margin: 0 0 6px; font-size: 20px; color: var(--navy); }
.bk-addon p { margin: 0; color: var(--muted); max-width: 640px; }
.bk-addon .bk-addon-price { font-size: 22px; font-weight: bold; color: var(--navy); white-space: nowrap; }
.bk-tag { display: inline-block; font-size: 12px; font-weight: bold; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-text); margin-bottom: 4px; }
.bk-req { max-width: 760px; margin: 28px auto 0; font-size: 15px; color: var(--muted); }

/* FAQ */
.bk-faq { max-width: 800px; margin: 0 auto; text-align: left; display: flex; flex-direction: column; gap: 12px; }
.bk-faq details { background: #fff; box-shadow: 0 2px 6px rgba(0,0,0,.05); border-radius: 10px; padding: 0 22px; }
.bk-faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 0; font-weight: bold; font-size: 17px; color: var(--navy); }
.bk-faq summary::-webkit-details-marker { display: none; }
.bk-faq summary::after { content: "+"; font-size: 26px; font-weight: normal; color: var(--accent); transition: transform .2s ease; }
.bk-faq details[open] summary::after { transform: rotate(45deg); }
.bk-faq p { margin: 0 0 20px; color: #444; }

/* Kontakt */
.bk-cta { background: var(--navy); color: #fff; padding: 80px 0; }
.bk-cta h2 { color: #fff; }
.bk-cta .bk-lead { color: #d6d6e2; }
.bk-person { display: inline-flex; align-items: center; gap: 16px; text-align: left; margin-bottom: 28px; }
.bk-person img { width: 76px; height: 76px; border-radius: 50%; object-fit: cover; border: 3px solid #fff; }
.bk-person strong { display: block; font-size: 19px; }
.bk-person span { color: #b9b9cc; font-size: 15px; }
.bk-cta .bk-actions .btn--ghost { color: #fff; }
.bk-cta .bk-works a { color: #fff; }

/* Unterseiten-Hero ohne Collage */
.bk-hero--sub { padding-bottom: 60px; }
.bk-hero--sub h1 { font-size: 42px; }

/* Leistungen mit Ab-Preis */
.bk-services { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; }
.bk-service { position: relative; flex: 1 1 240px; max-width: 270px; background: #fff; border-radius: 10px; box-shadow: 0 4px 10px rgba(0,0,0,.08); padding: 28px 24px; text-align: left; text-decoration: none; color: inherit; display: flex; flex-direction: column; transition: transform .2s ease, box-shadow .2s ease; }
.bk-service:hover { transform: translateY(-5px); box-shadow: 0 12px 24px rgba(0,0,0,.12); }
.bk-section--white .bk-service { background: var(--bg); box-shadow: none; }
.bk-service h3 { margin: 0 0 8px; font-size: 21px; color: var(--navy); }
.bk-service p { margin: 0 0 18px; color: #444; font-size: 15.5px; }
.bk-service .bk-from { margin-top: auto; font-size: 15px; color: var(--muted); }
.bk-service .bk-from strong { font-size: 26px; color: var(--navy); }
.bk-service--featured { background: var(--navy) !important; color: #fff; box-shadow: 0 18px 40px rgba(26,26,46,.3) !important; }
.bk-service--featured h3, .bk-service--featured .bk-from strong { color: #fff; }
.bk-service--featured p, .bk-service--featured .bk-from { color: #c9c9da; }
.bk-service--quiet { opacity: .85; }

/* Vorteile */
.bk-features { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 24px; text-align: left; }
.bk-features li { border-top: 3px solid var(--accent); padding-top: 16px; }
.bk-features h3 { margin: 0 0 6px; font-size: 19px; color: var(--navy); }
.bk-features p { margin: 0; color: #444; }

/* Kombi-Angebot */
.bk-bundle { max-width: 900px; margin: 0 auto; background: var(--navy); color: #fff; border-radius: 14px; padding: 40px 36px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px 40px; text-align: left; box-shadow: 0 18px 40px rgba(26,26,46,.3); }
.bk-bundle h2 { color: #fff; font-size: 30px; margin: 0 0 10px; }
.bk-bundle p { margin: 0; color: #d6d6e2; max-width: 520px; }
.bk-bundle .bk-tag { color: #ff8aa0; }
.bk-bundle-price { text-align: center; }
.bk-bundle-price strong { display: block; font-size: 42px; line-height: 1.1; }
.bk-bundle-price s { color: #b9b9cc; font-size: 16px; }
.bk-bundle-price .btn { margin-top: 14px; }

/* Einzelleistungen */
.bk-pricelist { max-width: 760px; margin: 0 auto; padding: 0; list-style: none; text-align: left; background: #fff; border-radius: 10px; box-shadow: 0 4px 10px rgba(0,0,0,.06); }
.bk-section--white .bk-pricelist { background: var(--bg); box-shadow: none; }
.bk-pricelist li { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 16px 22px; border-bottom: 1px solid var(--line); }
.bk-pricelist li:last-child { border-bottom: 0; }
.bk-pricelist span { color: #444; }
.bk-pricelist span b { color: var(--navy); display: block; }
.bk-pricelist strong { white-space: nowrap; color: var(--navy); }

a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { .bk-example img, .bk-faq summary::after { transition: none; } }

@media (max-width: 900px) {
  .bk-plan--featured { transform: none; }
}
@media (max-width: 760px) {
  .bk-collage { height: auto; display: flex; justify-content: center; margin-top: 40px; padding-bottom: 30px; }
  .bk-collage img { position: static; width: 46%; max-width: 220px; height: auto; margin: 0 -6%; }
  .bk-collage img:nth-child(1), .bk-collage img:nth-child(3) { display: none; }
  .bk-collage img:nth-child(2) { width: 70%; max-width: 300px; margin: 0; transform: none; }
}
@media (max-width: 600px) {
  .bk-section { padding: 56px 0; }
  .bk-section h2 { font-size: 27px; }
  .bk-hero h1 { font-size: 32px; }
  .bk-hero p, .bk-lead { font-size: 16px; }
  .bk-prompt { font-size: 15px; }
  .bk-addon { padding: 22px; }
  .bk-plan .bk-for { min-height: 0; }
  .bk-hero--sub h1 { font-size: 30px; }
  .bk-bundle { padding: 28px 22px; }
  .bk-bundle h2 { font-size: 24px; }
  .bk-bundle-price { width: 100%; }
  .bk-pricelist li { padding: 14px 16px; }
}
@media (prefers-reduced-motion: reduce) { .bk-service { transition: none; } }