/* =====================================================================
   Böltau Dach- und Fassadenbau – Stylesheet
   Markenfarben wie boeltau.de: Rot, Schwarz, Weiß + Graustufen.
   Erkennungszeichen: schwarz-rot-schwarze Doppelstreifen aus dem Logo.
   ===================================================================== */

@font-face { font-family: 'Archivo'; src: url('../fonts/archivo-400.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Archivo'; src: url('../fonts/archivo-500.woff2') format('woff2'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'Archivo'; src: url('../fonts/archivo-600.woff2') format('woff2'); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: 'Archivo'; src: url('../fonts/archivo-700.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; }

:root {
  --rot: #E30613;
  --rot-dunkel: #B8050F;
  --schwarz: #111111;
  --weiss: #FFFFFF;
  --grau-1: #F4F4F4;
  --grau-2: #E6E6E6;
  --grau-5: #777777;
  --grau-8: #333333;
  --font: 'Archivo', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --wrap: 1180px;
  --pad: clamp(1.25rem, 5vw, 3rem);
  --sec: clamp(3.5rem, 8vw, 6.5rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; font-family: var(--font); font-size: 1.0625rem; line-height: 1.6; color: var(--schwarz); background: var(--weiss); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 .6em; font-weight: 700; overflow-wrap: break-word; hyphens: auto; }
h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 100; background: var(--rot); color: var(--weiss); padding: .5rem 1rem; }
:focus-visible { outline: 3px solid var(--rot); outline-offset: 3px; }

/* ---------- Doppelstreifen ---------- */
.stripes { height: 12px; background: linear-gradient(var(--schwarz) 0 3px, var(--weiss) 3px 4.5px, var(--rot) 4.5px 9px, var(--weiss) 9px 10.5px, var(--schwarz) 10.5px 12px); }
.stripes--thin { height: 8px; background: linear-gradient(var(--schwarz) 0 2px, var(--weiss) 2px 3px, var(--rot) 3px 6px, var(--weiss) 6px 7px, var(--schwarz) 7px 8px); }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: .55rem; padding: .85rem 1.4rem; font: 700 1rem/1 var(--font); text-decoration: none; border: 2px solid transparent; border-radius: 2px; cursor: pointer; transition: background .15s, color .15s, border-color .15s; }
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-solid { background: var(--rot); color: var(--weiss); border-color: var(--rot); }
.btn-solid:hover { background: var(--rot-dunkel); border-color: var(--rot-dunkel); }
.btn-ghost, .btn-line { background: transparent; color: var(--schwarz); border-color: var(--schwarz); }
.btn-ghost:hover, .btn-line:hover { background: var(--schwarz); color: var(--weiss); }
.btn-dark { background: var(--schwarz); color: var(--weiss); border-color: var(--schwarz); }
.btn-dark:hover { background: var(--rot); border-color: var(--rot); }
.btn-white { background: var(--weiss); color: var(--schwarz); border-color: var(--weiss); }
.btn-white:hover { background: var(--rot); color: var(--weiss); border-color: var(--rot); }

/* ---------- Kopfzeile ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--weiss); transition: box-shadow .2s; }
.site-header.scrolled { box-shadow: 0 4px 18px rgba(0, 0, 0, .1); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 76px; }
.brand { display: flex; align-items: center; text-decoration: none; }
.brand img { height: 52px; width: auto; }
.nav-desktop { display: flex; gap: 1.6rem; }
.nav-link { text-decoration: none; font-weight: 600; font-size: .98rem; padding: .3rem 0; border-bottom: 2px solid transparent; }
.nav-link:hover { border-color: var(--rot); }
.header-actions { display: flex; align-items: center; gap: .75rem; }
.tel-btn { display: inline-flex; align-items: center; gap: .5rem; background: var(--rot); color: var(--weiss); text-decoration: none; font-weight: 700; padding: .65rem 1rem; border-radius: 2px; white-space: nowrap; }
.tel-btn:hover { background: var(--rot-dunkel); }
.tel-btn svg { width: 18px; height: 18px; }
.menu-toggle { display: none; background: none; border: 2px solid var(--schwarz); border-radius: 2px; padding: .45rem; cursor: pointer; color: var(--schwarz); }
.menu-toggle svg { width: 24px; height: 24px; display: block; }

.mobile-nav-backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, .5); opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 90; }
.mobile-nav-backdrop.open { opacity: 1; pointer-events: auto; }
.mobile-nav { position: fixed; top: 0; right: 0; bottom: 0; width: min(340px, 88vw); background: var(--weiss); z-index: 100; transform: translateX(100%); transition: transform .25s; display: flex; flex-direction: column; border-left: 6px solid var(--rot); }
.mobile-nav.open { transform: none; }
.mobile-nav-head { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.25rem; border-bottom: 1px solid var(--grau-2); }
.mobile-nav-head img { height: 40px; width: auto; }
.mobile-nav-close { background: none; border: 0; cursor: pointer; padding: .25rem; color: var(--schwarz); }
.mobile-nav-links { display: flex; flex-direction: column; padding: .5rem 1.25rem; }
.mobile-nav-links a { text-decoration: none; font-weight: 600; font-size: 1.15rem; padding: .85rem 0; border-bottom: 1px solid var(--grau-2); }
.mobile-nav-footer { margin-top: auto; padding: 1.25rem; display: grid; gap: .6rem; }
.mobile-nav-footer .btn { justify-content: center; }

/* ---------- Hero: Tradition zuerst ---------- */
.hero { background: var(--weiss); padding-top: clamp(2.5rem, 6vw, 4.5rem); }
.hero-inner { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 1.5rem 4rem; align-items: end; padding-bottom: clamp(2rem, 4vw, 3rem); }
.hero-band { margin: 0; border-top: 6px solid var(--schwarz); border-bottom: 6px solid var(--schwarz); background: var(--schwarz); }
.hero-band img { width: 100%; height: auto; display: block; filter: grayscale(1); }
.hero-band figcaption { color: #cfcfcf; font-size: .85rem; padding-top: .55rem; padding-bottom: .55rem; }
.kicker { display: inline-block; font-size: .82rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--rot); margin-bottom: 1rem; }
.hero-title { font-size: clamp(3.2rem, 9vw, 7rem); line-height: .9; letter-spacing: -.045em; margin: 0; }
.hero-title em { font-style: normal; color: var(--rot); display: block; font-size: .62em; letter-spacing: -.03em; margin-top: .15em; }
.hero-slogan { font-size: clamp(1.15rem, 2vw, 1.4rem); color: var(--grau-8); margin: 0 0 1.5rem; max-width: 30ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ---------- Vertrauensleiste ---------- */
.trust-bar { border-bottom: 1px solid var(--grau-2); background: var(--weiss); }
.trust-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2.5rem; padding-top: 1.3rem; padding-bottom: 1.3rem; }
.trust-inner img { height: 46px; width: auto; filter: grayscale(1); }
.trust-claim { margin-left: auto; font-weight: 700; display: flex; align-items: center; gap: .6rem; }
.trust-claim::before { content: ""; width: 14px; height: 14px; background: var(--rot); display: inline-block; }

/* ---------- Notdienst ---------- */
.emergency { background: var(--schwarz); color: var(--weiss); }
.emergency-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; padding-top: 2rem; padding-bottom: 2rem; }
.emergency h3 { font-size: 1.5rem; margin-bottom: .3rem; }
.emergency p { margin: 0; color: #cfcfcf; max-width: 62ch; }

/* ---------- Abschnitte ---------- */
.sec { padding: var(--sec) 0; }
.sec-alt { background: var(--grau-1); }
.sec-head { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem 4rem; align-items: end; margin-bottom: 3rem; }
.sec-eyebrow { display: block; font-size: .82rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--rot); margin-bottom: .8rem; }
.sec-head h2 { margin: 0; }
.measure p { margin: 0; color: var(--grau-8); }
.lede { font-size: 1.15rem; }

/* ---------- Leistungen ---------- */
.service-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.service-card { background: var(--weiss); border: 1px solid var(--grau-2); border-top: 4px solid var(--rot); display: flex; flex-direction: column; }
.service-img-wrap { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--grau-2); }
.service-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.service-tag { position: absolute; left: 0; top: 1rem; background: var(--schwarz); color: var(--weiss); font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: .35rem .7rem; z-index: 1; }
.service-body { padding: 1.5rem; display: flex; flex-direction: column; flex: 1; }
.service-body p { color: var(--grau-8); }
.service-features { list-style: none; padding: 0; margin: 0 0 1.25rem; }
.service-features li { padding-left: 1.3rem; position: relative; margin-bottom: .35rem; font-size: .97rem; }
.service-features li::before { content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 8px; background: var(--rot); }
.service-link { margin-top: auto; font-weight: 700; text-decoration: none; color: var(--rot); }
.service-link:hover { text-decoration: underline; }
.service-cta-card { background: var(--schwarz); color: var(--weiss); padding: 2rem; display: flex; flex-direction: column; justify-content: center; border-top: 4px solid var(--rot); }
.service-cta-card p { color: #cfcfcf; }

/* ---------- Familie & Geschichte ---------- */
.family-intro { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 3rem; align-items: center; margin-bottom: 3.5rem; }
.family-intro .mascot { width: 100%; max-width: 380px; justify-self: end; }
.timeline { list-style: none; margin: 0 0 4rem; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 4px solid var(--schwarz); }
.timeline-item { padding: 1.4rem 1.4rem 0 0; position: relative; }
.timeline-item::before { content: ""; position: absolute; top: -12px; left: 0; width: 20px; height: 20px; background: var(--rot); border: 4px solid var(--weiss); box-shadow: 0 0 0 2px var(--rot); }
.timeline-year { display: block; font-size: 2rem; font-weight: 700; letter-spacing: -.03em; margin: .4rem 0 .3rem; }
.timeline-item p { margin: 0; color: var(--grau-8); font-size: .98rem; }
.generations { display: grid; grid-template-columns: 1fr 2fr 2fr; gap: 2rem; }
.generation { border-top: 4px solid var(--rot); padding-top: 1rem; }
.gen-label { display: block; font-size: .82rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--rot); margin-bottom: 1rem; }
.gen-people { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1.25rem; }
.person { margin: 0; }
.person img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; filter: grayscale(1); background: var(--grau-2); }
.person figcaption { padding-top: .7rem; }
.person-name { display: block; font-weight: 700; font-size: 1.1rem; }
.person-role { display: block; color: var(--grau-5); font-size: .95rem; }

/* ---------- Ablauf ---------- */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; counter-reset: step; }
.step-card { border-top: 2px solid var(--schwarz); padding-top: 1.2rem; }
.step-num { display: inline-flex; align-items: center; justify-content: center; width: 52px; height: 52px; background: var(--rot); color: var(--weiss); font-weight: 700; font-size: 1.2rem; margin-bottom: 1rem; }
.step-card p { color: var(--grau-8); margin: 0; }

/* ---------- Einsatzgebiet ---------- */
.area-tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .6rem; }
.area-tags li { border: 2px solid var(--schwarz); padding: .5rem 1rem; font-weight: 600; }
.area-tags li.primary { background: var(--schwarz); color: var(--weiss); }

/* ---------- Kontakt ---------- */
.contact-section { background: var(--schwarz); color: var(--weiss); padding: var(--sec) 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3rem 4rem; }
.contact-info h2 { color: var(--weiss); }
.contact-details { margin: 2rem 0 0; }
.contact-detail-row { padding: 1rem 0; border-top: 1px solid #333; }
.contact-detail-row dt { font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--rot); margin-bottom: .25rem; filter: brightness(1.35); }
.contact-detail-row dd { margin: 0; font-size: 1.1rem; }
.contact-detail-row a { color: var(--weiss); }
.contact-form-wrap { background: var(--weiss); color: var(--schwarz); padding: clamp(1.5rem, 4vw, 2.5rem); border-top: 6px solid var(--rot); }
.form-desc { color: var(--grau-8); }
.form-grid { display: grid; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field-group { display: flex; flex-direction: column; gap: .35rem; min-width: 0; }
.field-group label { font-weight: 600; font-size: .92rem; }
.field-group input, .field-group select, .field-group textarea { width: 100%; min-width: 0; font: inherit; padding: .75rem .85rem; border: 2px solid #cfcfcf; border-radius: 2px; background: var(--weiss); color: var(--schwarz); }
.field-group input:focus, .field-group select:focus, .field-group textarea:focus { border-color: var(--schwarz); outline: none; }
.field-group textarea { min-height: 130px; resize: vertical; }
.form-submit-row { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.form-notice { margin: 0; font-size: .88rem; color: var(--grau-5); }
#form-feedback { color: var(--schwarz) !important; background: var(--grau-1) !important; border-left: 4px solid var(--rot); }
#form-feedback a { color: var(--schwarz) !important; }

/* ---------- Partner ---------- */
.partners-section { padding: 2.5rem 0; border-bottom: 1px solid var(--grau-2); }
.partners { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 2rem 4rem; }
.partners img { height: 64px; width: auto; filter: grayscale(1); opacity: .85; }

/* ---------- Footer ---------- */
.site-footer { background: var(--schwarz); color: #cfcfcf; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2.5rem; padding-top: 3.5rem; padding-bottom: 2.5rem; }
.footer-grid h4 { color: var(--weiss); font-size: .85rem; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 1rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: .45rem; }
.footer-grid a { color: #cfcfcf; text-decoration: none; }
.footer-grid a:hover { color: var(--weiss); text-decoration: underline; }
.footer-slogan { font-size: 1.35rem; font-weight: 700; color: var(--weiss); line-height: 1.25; margin-bottom: .8rem; }
.footer-bottom { border-top: 1px solid #2a2a2a; padding-top: 1.2rem; padding-bottom: 1.6rem; font-size: .88rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; }

/* ---------- Unterseiten ---------- */
.page-head { background: var(--schwarz); color: var(--weiss); padding: clamp(3rem, 7vw, 5rem) 0; }
.page-head h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); margin: 0 0 .6rem; }
.page-head p { color: #cfcfcf; max-width: 62ch; margin: 0; }
.legal { padding: var(--sec) 0; }
.legal .wrap { max-width: 860px; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.legal h2 { font-size: 1.45rem; margin-top: 2.2rem; }
.legal h3 { font-size: 1.15rem; margin-top: 1.6rem; }
.legal a { color: var(--rot); }

/* ---------- Unterseiten: Leistungen, Impressum, Datenschutz ---------- */
.page-hero { background: var(--schwarz); color: var(--weiss); padding: clamp(3rem, 7vw, 5rem) 0; }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); margin: 0 0 .8rem; }
.page-hero .lede { color: #cfcfcf; max-width: 62ch; margin: 0; }
.prose-content { padding: var(--sec) 0; }
.wrap--narrow { max-width: 880px; }
.legal-card { overflow-wrap: anywhere; margin-bottom: 3rem; padding-bottom: 3rem; border-bottom: 1px solid var(--grau-2); }
.legal-card:last-child { border-bottom: 0; }
.legal-card h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.legal-card ul { padding-left: 1.2rem; }
.legal-card li { margin-bottom: .4rem; }
.legal-card li::marker { color: var(--rot); }
.legal-card a { color: var(--rot); }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center; }
.detail-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-bottom: 6px solid var(--rot); }
.faq-section { margin: 4rem 0; }
.faq-accordion details { border-top: 2px solid var(--schwarz); padding: 1.1rem 0; }
.faq-accordion details:last-child { border-bottom: 2px solid var(--schwarz); }
.faq-accordion summary { font-weight: 700; font-size: 1.1rem; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq-accordion summary::-webkit-details-marker { display: none; }
.faq-accordion summary::after { content: "+"; color: var(--rot); font-size: 1.5rem; line-height: 1; }
.faq-accordion details[open] summary::after { content: "–"; }
.faq-accordion details p { margin: .8rem 0 0; color: var(--grau-8); }
.cta-band { background: var(--schwarz); color: var(--weiss); text-align: center; padding: 3rem 2rem; border-top: 6px solid var(--rot); border-bottom: 0; }
.cta-band h2 { color: var(--weiss); }
.cta-band .lede { color: #cfcfcf; max-width: 32em; margin: 0 auto 1.8rem; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-line-white { background: transparent; color: var(--weiss); border-color: var(--weiss); }
.btn-line-white:hover { background: var(--weiss); color: var(--schwarz); }

/* ---------- Responsiv ---------- */
@media (max-width: 1020px) {
  .nav-desktop { display: none; }
  .menu-toggle { display: inline-flex; }
  .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 2rem; border-top: 0; }
  .timeline-item { border-top: 4px solid var(--schwarz); }
  .generations { grid-template-columns: 1fr 1fr; }
  .generation:first-child { grid-column: 1 / -1; max-width: 320px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 1rem; }
  .hero-inner { grid-template-columns: minmax(0, 1fr); }
  .hero-band img { height: 190px; object-fit: cover; object-position: 42% 60%; }
  .tel-btn span { display: none; }
  .brand img { height: 42px; }
  .trust-claim { margin-left: 0; }
  .sec-head, .family-intro, .contact-grid, .form-row, .footer-grid, .detail-grid { grid-template-columns: minmax(0, 1fr); }
  .family-intro .mascot { justify-self: start; }
  .generations { grid-template-columns: 1fr; }
  .gen-people { grid-template-columns: 1fr 1fr; }
  .steps-grid, .timeline { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }