/* ==========================================================
   Dachdeckerei Detlef Petruck – gemeinsames Stylesheet
   ========================================================== */
:root{
  --blau:#1e3c7e;
  --blau-dark:#142850;
  --rot:#d2261e;
  --rot-dark:#a81c15;
  --rot-hell:#fdedeb;
  --bg:#f5f7fa;
  --card:#ffffff;
  --text:#333b49;
  --muted:#5e6a7e;
  --line:#dfe5ee;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--text);background:var(--card);line-height:1.7;font-size:16px}
h1,h2,h3,h4{font-family:'Bitter',Georgia,serif;color:var(--blau);line-height:1.25;font-weight:700}
img,svg{display:block;max-width:100%}
a{color:var(--rot);text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
section{padding:90px 0}
.kicker{display:block;font-size:13px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--rot);margin-bottom:12px}
.section-title{font-size:clamp(27px,3.6vw,38px)}
.rule{width:64px;height:3px;background:var(--rot);margin:20px auto 24px;border:none}
.rule-left{margin:20px 0 24px}
.section-intro{max-width:740px;margin:0 auto;color:var(--muted);font-size:17px}
.center{text-align:center}

/* Platzhalter-Kennzeichnung: gestrichelt unterstrichen, leicht zu finden & zu ersetzen */
.ph{border-bottom:1.5px dashed currentColor;opacity:.9;cursor:help}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 32px;font-weight:700;font-size:14px;letter-spacing:.08em;text-transform:uppercase;border:2px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn-primary{background:var(--rot);color:#fff}
.btn-primary:hover{background:var(--rot-dark)}
.btn-outline{border-color:rgba(255,255,255,.85);color:#fff;background:transparent}
.btn-outline:hover{background:#fff;color:var(--blau);border-color:#fff}
.btn-white{background:#fff;color:var(--rot)}
.btn-white:hover{background:var(--blau);color:#fff}
.btn-dark{border-color:var(--blau);color:var(--blau);background:transparent}
.btn-dark:hover{background:var(--blau);color:#fff}

/* ---------- Obere Kontaktleiste ---------- */
.topbar{background:var(--blau-dark);color:rgba(255,255,255,.85);font-size:13.5px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;min-height:40px;gap:16px;flex-wrap:wrap;padding:6px 0}
.topbar span,.topbar a{display:inline-flex;align-items:center;gap:7px;color:rgba(255,255,255,.85)}
.topbar a:hover{color:#fff}
.topbar svg{width:15px;height:15px;stroke:#f4a09a;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.topbar-right{display:flex;gap:22px;flex-wrap:wrap}

/* ---------- Zentrierter Masthead ---------- */
.masthead{background:#fff;padding:34px 24px 26px;text-align:center}
.masthead a{color:inherit;display:inline-block}
.masthead .brand-logo{width:58px;height:58px;background:var(--rot);display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.masthead h2{font-size:26px;letter-spacing:.02em}
.masthead p{font-size:12.5px;color:var(--muted);letter-spacing:.22em;text-transform:uppercase;margin-top:4px}

/* ---------- Navigationsleiste ---------- */
.navbar{position:sticky;top:0;z-index:100;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.navbar-inner{display:flex;justify-content:center;align-items:center;min-height:58px;position:relative}
.nav-links{display:flex;align-items:center;gap:8px;list-style:none}
.nav-links a{display:inline-block;padding:17px 18px;color:var(--blau);font-weight:600;font-size:13.5px;letter-spacing:.08em;text-transform:uppercase;border-bottom:3px solid transparent;transition:border-color .2s,color .2s}
.nav-links a:hover,.nav-links a.active{border-bottom-color:var(--rot);color:var(--rot)}
.nav-links .nav-cta{background:var(--rot);color:#fff;padding:12px 22px;border-bottom:none;margin-left:10px}
.nav-links .nav-cta:hover,.nav-links .nav-cta.active{background:var(--rot-dark);color:#fff;border-bottom:none}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:14px 0}
.nav-toggle svg{width:28px;height:28px;stroke:var(--blau)}
.nav-toggle span{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blau)}

/* ---------- Hero (Startseite) & Seitenkopf (Unterseiten) ---------- */
.hero,.page-hero{background-color:#1a2f5e;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='48' height='24' viewBox='0 0 48 24'><path d='M0 24a12 12 0 0 1 24 0M24 24a12 12 0 0 1 24 0M-12 12a12 12 0 0 1 24 0M12 12a12 12 0 0 1 24 0M36 12a12 12 0 0 1 24 0M0 0a12 12 0 0 1 24 0M24 0a12 12 0 0 1 24 0' fill='none' stroke='%23ffffff' stroke-opacity='.05' stroke-width='1.5'/></svg>");text-align:center;padding:104px 0 0}
.hero .kicker,.page-hero .kicker{color:#f4a09a}
.hero h1{color:#fff;font-size:clamp(32px,4.8vw,52px);max-width:860px;margin:0 auto}
.page-hero{padding:72px 0 0}
.page-hero h1{color:#fff;font-size:clamp(28px,4vw,44px);max-width:820px;margin:0 auto}
.hero p,.page-hero p{color:rgba(255,255,255,.78);font-size:18px;max-width:620px;margin:0 auto 38px}
.page-hero p{font-size:17px;margin-bottom:30px}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:86px}
.roofline{display:block;width:100%;height:72px}
.page-hero .roofline{height:56px}

/* ---------- Editorial-Intro ---------- */
.intro-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:start}
.intro-claim{font-family:'Bitter',Georgia,serif;font-size:clamp(24px,2.8vw,32px);font-weight:700;color:var(--blau);line-height:1.35}
.intro-claim em{font-style:normal;color:var(--rot)}
.intro-text p{color:var(--muted);font-size:17px;margin-bottom:18px}
.intro-text .sign{font-family:'Bitter',Georgia,serif;font-style:italic;font-size:18px;color:var(--blau);margin-top:24px}

/* ---------- Zahlen & Fakten ---------- */
.stats{padding:0 0 90px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{border:1px solid var(--line);border-top:3px solid var(--rot);padding:28px 20px;text-align:center;background:#fff}
.stat b{display:block;font-family:'Bitter',Georgia,serif;font-size:34px;font-weight:800;color:var(--blau);line-height:1.1;margin-bottom:6px}
.stat span{font-size:12.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

/* ---------- Leistungs-Kategorien (Teaser Startseite) ---------- */
.teaser{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:52px}
.cat{background:#fff;border:1px solid var(--line);padding:36px 34px;display:flex;flex-direction:column}
.cat-head{display:flex;align-items:center;gap:16px;margin-bottom:8px}
.cat-icon{width:52px;height:52px;background:var(--rot-hell);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cat-icon svg{width:27px;height:27px;stroke:var(--rot);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.cat h3{font-size:20px}
.cat hr{width:44px;height:3px;background:var(--rot);border:none;margin:14px 0 18px}
.cat ul{list-style:none;margin-bottom:20px}
.cat li{padding:8px 0;border-bottom:1px dotted var(--line);display:flex;gap:10px;align-items:baseline;font-size:15.5px}
.cat li:last-child{border-bottom:none}
.cat li::before{content:"›";color:var(--rot);font-weight:800;flex-shrink:0}
.cat-more{margin-top:auto;font-weight:700;font-size:13.5px;letter-spacing:.08em;text-transform:uppercase}
.cat-more:hover{color:var(--rot-dark)}
.services-note{text-align:center;color:var(--muted);font-size:15px;margin-top:34px}

/* ---------- Leistungsseite: Kategorien mit Karten ---------- */
.cat-section{padding:72px 0;border-bottom:1px solid var(--line)}
.cat-section:last-of-type{border-bottom:none}
.cat-section.alt{background:var(--bg)}
.cat-header{display:flex;align-items:center;gap:18px;margin-bottom:10px}
.cat-header h2{font-size:26px}
.cat-header .cat-icon{width:56px;height:56px}
.cat-lead{color:var(--muted);font-size:16.5px;max-width:760px;margin-bottom:34px}
.svc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.service-card{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--blau);padding:26px 24px;transition:border-color .2s}
.service-card:hover{border-color:var(--rot);border-top-color:var(--rot)}
.service-icon{width:50px;height:50px;border:1px solid var(--line);background:var(--rot-hell);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.service-icon svg{width:26px;height:26px;stroke:var(--rot);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.service-card h3{font-size:17px;margin-bottom:6px}
.service-card p{font-size:14.5px;color:var(--muted)}

/* ---------- Altbau-Band (dunkel) ---------- */
.altbau{background:var(--blau);border-top:4px solid var(--rot);color:#fff}
.altbau-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:60px;align-items:center}
.altbau .kicker{color:#f4a09a}
.altbau h2{color:#fff}
.altbau p{color:rgba(255,255,255,.78);font-size:17px;margin-bottom:18px}
.altbau-list{list-style:none;margin-top:14px}
.altbau-list li{display:flex;gap:12px;align-items:flex-start;padding:9px 0;font-weight:600;color:#fff}
.altbau-list svg{width:20px;height:20px;flex-shrink:0;margin-top:4px;stroke:#f4a09a;stroke-width:2.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.photo-frame{border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.06);padding:10px}
.photo-placeholder{background:rgba(255,255,255,.08);border:2px dashed rgba(255,255,255,.5);aspect-ratio:4/3;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:#fff;text-align:center;padding:24px}
.photo-placeholder svg{width:52px;height:52px;stroke:#f4a09a;opacity:.85;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.photo-placeholder strong{font-size:16px}
.photo-placeholder span{font-size:14px;color:rgba(255,255,255,.65)}
.photo-caption{text-align:center;font-size:13px;color:rgba(255,255,255,.6);padding-top:10px;letter-spacing:.06em;text-transform:uppercase}

/* ---------- Kundenstimme ---------- */
.quote{max-width:820px;margin:0 auto;text-align:center}
.quote-mark{font-family:'Bitter',Georgia,serif;font-size:88px;line-height:.6;color:var(--rot);opacity:.35}
.quote blockquote{font-family:'Bitter',Georgia,serif;font-style:italic;font-size:clamp(19px,2.4vw,24px);color:var(--blau);line-height:1.55;margin:18px 0 22px}
.quote cite{font-style:normal;font-size:13.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

/* ---------- Ablauf: Zeitstrahl ---------- */
.steps{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:64px;position:relative}
.timeline::before{content:"";position:absolute;top:23px;left:12%;right:12%;height:1px;background:var(--line)}
.tstep{text-align:center;position:relative;padding:0 10px}
.tstep-num{width:46px;height:46px;background:var(--rot);color:#fff;font-family:'Bitter',Georgia,serif;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;transform:rotate(45deg);position:relative;z-index:1}
.tstep-num i{font-style:normal;transform:rotate(-45deg)}
.tstep h3{font-size:17px;margin-bottom:8px}
.tstep p{font-size:14.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:52px auto 0}
.faq-list details{border:1px solid var(--line);background:#fff;margin-bottom:12px}
.faq-list summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;font-family:'Bitter',Georgia,serif;font-weight:700;font-size:17px;color:var(--blau)}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";font-family:'Bitter',Georgia,serif;font-size:26px;color:var(--rot);line-height:1;flex-shrink:0}
.faq-list details[open] summary::after{content:"–"}
.faq-list details[open] summary{border-bottom:1px solid var(--line)}
.faq-list details p{padding:18px 24px 22px;color:var(--muted);font-size:15.5px}

/* ---------- CTA-Band ---------- */
.cta-band{background:var(--rot);text-align:center;padding:70px 0}
.cta-band h2{color:#fff;font-size:clamp(26px,3.4vw,36px);max-width:760px;margin:0 auto 12px}
.cta-band p{color:rgba(255,255,255,.85);font-size:17px;margin-bottom:32px}

/* ---------- Kontakt ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:52px 0 22px}
.contact-card{border:1px solid var(--line);border-top:3px solid var(--rot);background:#fff;padding:30px 26px;text-align:center}
.contact-card .c-icon{width:48px;height:48px;background:var(--rot-hell);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.contact-card svg{width:23px;height:23px;stroke:var(--rot);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.contact-card h3{font-size:14px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px}
.contact-card p,.contact-card a{font-size:15.5px;color:var(--muted)}
.contact-card a{display:inline-block}
.contact-form{max-width:780px;margin:0 auto;background:#fff;border:1px solid var(--line);padding:44px 40px}
.contact-form h3{font-size:22px;margin-bottom:6px;text-align:center}
.contact-form>p{text-align:center;color:var(--muted);font-size:15px;margin-bottom:28px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blau);margin-bottom:7px}
.form-group input,.form-group textarea{width:100%;padding:13px 15px;border:1px solid #c6cedd;font-family:inherit;font-size:15px;color:var(--text);background:#fafbfd;transition:border-color .2s}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--rot);background:#fff}
.form-actions{text-align:center}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;text-align:center}

/* ---------- Rechtsseiten (Impressum/Datenschutz) ---------- */
.legal{max-width:820px;margin:0 auto}
.legal h2{font-size:22px;margin:34px 0 12px}
.legal p{color:var(--muted);margin-bottom:14px}
.legal-box{border:2px dashed var(--rot);background:var(--rot-hell);padding:26px 28px;color:var(--blau);margin:22px 0}
.legal-box strong{display:block;margin-bottom:8px}
.legal-box ul{margin:10px 0 0 20px}
.legal-box li{margin-bottom:6px}

/* ---------- Fusszeile ---------- */
footer{background:var(--blau-dark);border-top:4px solid var(--rot);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-grid h4{color:#fff;font-size:14px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:18px}
.footer-grid p{font-size:14.5px}
.footer-grid ul{list-style:none}
.footer-grid li{margin-bottom:10px}
.footer-grid a{color:rgba(255,255,255,.72);font-size:14.5px;transition:color .2s}
.footer-grid a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-logo{width:44px;height:44px;background:var(--rot);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.footer-brand strong{font-family:'Bitter',Georgia,serif;color:#fff;font-size:17px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;font-size:13.5px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .intro-grid,.altbau-grid,.cat-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .contact-cards{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr;gap:36px}
  .timeline::before{display:none}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  section{padding:70px 0}
  .stats{padding:0 0 70px}
  .hero{padding-top:78px}
  .page-hero{padding-top:56px}
  .altbau-grid .photo-frame{order:2;max-width:340px;margin:0 auto}
}
@media (max-width:760px){
  .topbar-left{display:none}
  .topbar-inner{justify-content:center}
  .nav-toggle{display:flex;align-items:center;gap:10px}
  .navbar-inner{justify-content:flex-start}
  .nav-links{display:none;position:absolute;top:58px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 24px 24px;gap:2px;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .nav-links a{display:block;padding:13px 8px;border-bottom:1px solid var(--line)}
  .nav-links a.active{border-bottom-color:var(--line)}
  .nav-links .nav-cta{text-align:center;margin:10px 0 0;border-bottom:none}
  .form-row{grid-template-columns:1fr}
  .masthead h2{font-size:22px}
}

/* ---------- Logo ---------- */
.masthead .logo{display:block;margin:0 auto;width:280px;max-width:100%;height:auto}
.masthead{padding:30px 24px 22px}
.footer-logo-box{display:inline-block;background:#fff;padding:12px 14px 9px;border:1px solid rgba(255,255,255,.2)}
.footer-logo-box .logo{display:block;width:200px;height:auto}
@media (max-width:760px){.masthead .logo{width:230px}}

.photo-frame img{display:block;width:100%;height:auto}
.altbau-grid .photo-frame{width:100%}