/* ============================================================
   Blitzeblank Dörpen – Stylesheet
   ============================================================ */

:root {
  --navy: #0b2545;
  --navy-light: #13315c;
  --blue: #0e9de9;
  --blue-dark: #0b7fc0;
  --cyan: #37c3f0;
  --bg: #ffffff;
  --bg-soft: #f2f7fb;
  --text: #22303f;
  --text-soft: #5a6b7c;
  --white: #ffffff;
  --green: #1fa864;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(11, 37, 69, 0.10);
  --maxw: 1140px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text); background: var(--bg); line-height: 1.65; font-size: 17px;
}
img { max-width: 100%; display: block; }
a { color: var(--blue-dark); }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Topbar */
.topbar { background: var(--navy); color: #cfe3f5; font-size: 14px; padding: 6px 0; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.topbar a { color: #fff; text-decoration: none; font-weight: 600; }
.topbar a:hover { color: var(--cyan); }
.topbar .tb-links { display: flex; gap: 18px; }

/* Header */
header.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(8px);
  border-bottom: 1px solid #e3ecf3;
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; max-width: var(--maxw); margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-logo {
  width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  display: grid; place-items: center; color: #fff; flex-shrink: 0;
}
.brand-name { font-weight: 800; color: var(--navy); font-size: 1.15rem; line-height: 1.15; }
.brand-name small { display: block; font-weight: 500; color: var(--text-soft); font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; }

nav.main-nav ul { display: flex; gap: 26px; list-style: none; align-items: center; }
nav.main-nav a { text-decoration: none; color: var(--navy); font-weight: 600; font-size: 0.98rem; padding: 6px 2px; border-bottom: 2px solid transparent; }
nav.main-nav a:hover, nav.main-nav a.active { color: var(--blue-dark); border-bottom-color: var(--blue); }
nav.main-nav a.nav-cta { background: var(--blue); color: #fff; padding: 10px 20px; border-radius: 999px; border: none; }
nav.main-nav a.nav-cta:hover { background: var(--blue-dark); color: #fff; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 3px; background: var(--navy); margin: 5px 0; border-radius: 2px; transition: 0.25s; }

/* Hero */
.hero {
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(55,195,240,0.35), transparent 60%),
    linear-gradient(150deg, var(--navy) 0%, var(--navy-light) 55%, #16456e 100%);
  color: #fff; padding: 84px 0 90px; position: relative; overflow: hidden;
}
.hero .container { position: relative; z-index: 1; }
.hero .eyebrow {
  display: inline-block; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25);
  padding: 6px 16px; border-radius: 999px; font-size: 0.85rem; font-weight: 600; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(1.9rem, 4.5vw, 3.1rem); line-height: 1.18; font-weight: 800; max-width: 720px; }
.hero h1 em { font-style: normal; color: var(--cyan); }
.hero p.lead { margin: 20px 0 32px; font-size: 1.15rem; color: #d7e6f3; max-width: 620px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 38px; font-size: 0.92rem; color: #cfe3f5; }
.hero-badges span { display: flex; align-items: center; gap: 8px; }
.hero-badges svg { color: var(--cyan); flex-shrink: 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border-radius: 999px; text-decoration: none; font-weight: 700; font-size: 1rem;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s; border: 2px solid transparent;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 8px 20px rgba(14,157,233,0.35); }
.btn-primary:hover { background: var(--blue-dark); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn-whatsapp { background: #25d366; color: #fff; }
.btn-whatsapp:hover { background: #1fb457; }
.btn-outline-navy { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline-navy:hover { background: var(--navy); color: #fff; }

/* Sections */
section { padding: 72px 0; }
section.soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head .kicker { color: var(--blue-dark); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.82rem; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--navy); margin: 8px 0 14px; line-height: 1.25; }
.section-head p { color: var(--text-soft); }
h2, h3 { color: var(--navy); }

/* Cards */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 30px 28px; display: flex; flex-direction: column; gap: 12px;
  border: 1px solid #e8f0f7; transition: transform 0.15s, box-shadow 0.15s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(11,37,69,0.14); }
.card .icon {
  width: 54px; height: 54px; border-radius: 12px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  display: grid; place-items: center; color: #fff;
}
.card h3 { font-size: 1.15rem; }
.card p { color: var(--text-soft); font-size: 0.97rem; flex-grow: 1; }
.card a.more { font-weight: 700; text-decoration: none; color: var(--blue-dark); }
.card a.more:hover { text-decoration: underline; }
.card.highlight { border: 2px solid var(--blue); position: relative; }
.card .badge {
  position: absolute; top: -13px; right: 20px; background: var(--blue); color: #fff;
  font-size: 0.75rem; font-weight: 700; padding: 4px 14px; border-radius: 999px;
}

/* Checkliste */
ul.checklist { list-style: none; display: grid; gap: 12px; }
ul.checklist li { display: flex; gap: 12px; align-items: flex-start; }
ul.checklist svg { color: var(--green); flex-shrink: 0; margin-top: 4px; }

/* Ablauf */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step { background: #fff; border-radius: var(--radius); padding: 26px 22px; box-shadow: var(--shadow); border: 1px solid #e8f0f7; }
.step .num { width: 42px; height: 42px; border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center; font-weight: 800; margin-bottom: 14px; }
.step h3 { font-size: 1.02rem; margin-bottom: 6px; }
.step p { color: var(--text-soft); font-size: 0.92rem; }

/* Vorher/Nachher-Slider */
.ba-slider {
  position: relative; overflow: hidden; border-radius: var(--radius);
  box-shadow: var(--shadow); aspect-ratio: 4/3; background: #dde8f0; user-select: none;
}
.ba-slider img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ba-slider .after-wrap { position: absolute; inset: 0; overflow: hidden; clip-path: inset(0 50% 0 0); }
.ba-slider input[type=range] { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; z-index: 3; }
.ba-slider .handle { position: absolute; top: 0; bottom: 0; left: 50%; width: 4px; background: #fff; z-index: 2; box-shadow: 0 0 8px rgba(0,0,0,0.4); }
.ba-slider .handle::after {
  content: "◂ ▸"; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: #fff; color: var(--navy); font-weight: 700; font-size: 13px;
  padding: 8px 10px; border-radius: 999px; white-space: nowrap;
}
.ba-slider .tag { position: absolute; bottom: 12px; z-index: 2; background: rgba(11,37,69,0.85); color: #fff; padding: 4px 12px; border-radius: 6px; font-size: 0.8rem; font-weight: 600; }
.ba-slider .tag.before { left: 12px; }
.ba-slider .tag.after { right: 12px; }
figure.gal figcaption { padding: 14px 6px 0; color: var(--text-soft); font-size: 0.95rem; }
figure.gal figcaption strong { color: var(--navy); }

/* CTA-Banner */
.cta-banner { background: linear-gradient(135deg, var(--navy), #16456e); border-radius: 20px; color: #fff; padding: 54px 40px; text-align: center; }
.cta-banner h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 12px; }
.cta-banner p { color: #d7e6f3; margin-bottom: 28px; max-width: 560px; margin-inline: auto; }

/* Kontakt */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
.contact-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 32px; border: 1px solid #e8f0f7; }
.contact-links { display: grid; gap: 14px; margin-top: 18px; }
.contact-links a {
  display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--navy);
  font-weight: 600; padding: 14px 18px; border: 1px solid #e3ecf3; border-radius: 12px; transition: 0.15s;
}
.contact-links a:hover { border-color: var(--blue); background: var(--bg-soft); }
.contact-links .ci { width: 42px; height: 42px; border-radius: 10px; background: var(--bg-soft); display: grid; place-items: center; color: var(--blue-dark); flex-shrink: 0; }

form.contact-form { display: grid; gap: 16px; }
form.contact-form label { font-weight: 600; color: var(--navy); font-size: 0.92rem; }
form.contact-form input, form.contact-form select, form.contact-form textarea {
  width: 100%; padding: 13px 15px; border: 1px solid #cfdce7; border-radius: 10px;
  font: inherit; color: var(--text); background: #fff; margin-top: 6px;
}
form.contact-form input:focus, form.contact-form select:focus, form.contact-form textarea:focus { outline: 2px solid var(--blue); border-color: var(--blue); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { font-size: 0.82rem; color: var(--text-soft); }
.hp-field { position: absolute; left: -9999px; opacity: 0; }

/* FAQ */
details.faq { background: #fff; border: 1px solid #e3ecf3; border-radius: 12px; padding: 4px 22px; margin-bottom: 12px; }
details.faq summary { cursor: pointer; font-weight: 700; color: var(--navy); padding: 16px 0; list-style: none; position: relative; padding-right: 30px; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; position: absolute; right: 2px; font-size: 1.4rem; color: var(--blue); }
details.faq[open] summary::after { content: "–"; }
details.faq p { padding: 0 0 18px; color: var(--text-soft); }

/* Tabellen */
table.clean { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
table.clean th, table.clean td { padding: 14px 18px; text-align: left; border-bottom: 1px solid #edf3f8; }
table.clean th { background: var(--navy); color: #fff; font-size: 0.92rem; }

/* Footer */
footer.site-footer { background: var(--navy); color: #b9cde0; padding: 56px 0 0; font-size: 0.95rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 40px; }
footer h4 { color: #fff; margin-bottom: 14px; font-size: 1rem; }
footer ul { list-style: none; display: grid; gap: 8px; }
footer a { color: #b9cde0; text-decoration: none; }
footer a:hover { color: var(--cyan); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 18px 0; font-size: 0.85rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.footer-social { display: flex; gap: 12px; margin-top: 14px; }
.footer-social a { width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,0.08); display: grid; place-items: center; color: #fff; }
.footer-social a:hover { background: var(--blue); }

/* Prose */
.prose { max-width: 820px; }
.prose h1 { color: var(--navy); margin-bottom: 24px; font-size: 2rem; }
.prose h2 { margin: 34px 0 12px; font-size: 1.3rem; }
.prose h3 { margin: 22px 0 8px; font-size: 1.05rem; }
.prose p, .prose li { color: var(--text); margin-bottom: 10px; }
.prose ul { padding-left: 22px; }

/* Page-Hero */
.page-hero { background: linear-gradient(140deg, var(--navy), #16456e); color: #fff; padding: 56px 0; }
.page-hero h1 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); max-width: 760px; line-height: 1.2; }
.page-hero p { color: #d7e6f3; margin-top: 14px; max-width: 640px; }
.breadcrumbs { font-size: 0.85rem; margin-bottom: 18px; color: #9fc0da; }
.breadcrumbs a { color: #cfe3f5; text-decoration: none; }

/* Floating WhatsApp */
.wa-float {
  position: fixed; bottom: 22px; right: 22px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff;
  display: grid; place-items: center; box-shadow: 0 8px 24px rgba(0,0,0,0.25); transition: transform 0.15s;
}
.wa-float:hover { transform: scale(1.08); }

/* Responsive */
@media (max-width: 960px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 52px 0; }
  .hero { padding: 60px 0 66px; }
  .topbar .tb-note { display: none; }
  .nav-toggle { display: block; }
  nav.main-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid #e3ecf3;
    display: none; box-shadow: var(--shadow);
  }
  nav.main-nav.open { display: block; }
  nav.main-nav ul { flex-direction: column; gap: 0; padding: 12px 20px 20px; align-items: stretch; }
  nav.main-nav li { border-bottom: 1px solid #eef4f9; }
  nav.main-nav a { display: block; padding: 14px 4px; border-bottom: none; }
  nav.main-nav a.nav-cta { text-align: center; margin-top: 12px; border-radius: 12px; }
}