/* =========================================================
   KATEP Gebäudereinigung — Stylesheet
   Designsystem abgeleitet aus dem Firmenlogo:
   Tiefes Navy (Haus-Silhouette) + Grün (Wischer-Diagonale)
   ========================================================= */

:root{
  /* Farben */
  --navy-900:#101F2C;
  --navy-800:#16283A;
  --navy-700:#1F3A50;
  --navy-600:#2C4F69;
  --green-600:#2E6E3B;
  --green-500:#3C8C4B;
  --green-400:#57A464;
  --cream:#F5F4EF;
  --white:#FFFFFF;
  --ink:#182420;
  --mist:#5B6763;
  --line:#E2E1D9;
  --line-dark:#2A3D4C;

  /* Typografie */
  --font-display:'Fraunces', Georgia, serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Layout */
  --max-w:1240px;
  --radius-s:6px;
  --radius-m:10px;
  --shadow-soft:0 12px 32px -16px rgba(16,31,44,0.28);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;scroll-behavior:auto !important;}
}

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

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

.container{
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 24px;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--navy-800);
  line-height:1.15;
  margin:0 0 0.5em;
  font-weight:600;
}
h1{font-size:clamp(2.4rem,5vw,3.8rem); letter-spacing:-0.01em;}
h2{font-size:clamp(1.9rem,3.4vw,2.6rem); letter-spacing:-0.01em;}
h3{font-size:1.3rem;}
p{margin:0 0 1em;}
.lead{font-size:1.15rem;color:var(--mist);}

.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-cream{background:var(--cream);}
.section-navy{background:var(--navy-800);color:#DCE6EC;}
.section-navy h2, .section-navy h3{color:var(--white);}

.section-head{max-width:640px;margin-bottom:56px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.kicker{
  display:inline-block;
  font-family:var(--font-body);
  font-size:0.9rem;
  color:var(--green-600);
  font-weight:600;
  margin-bottom:14px;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 28px;
  border-radius:999px;
  font-weight:600;
  font-size:1rem;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, background .18s ease, box-shadow .18s ease, color .18s ease;
}
.btn-primary{
  background:var(--green-500);
  color:var(--white);
}
.btn-primary:hover{background:var(--green-600); transform:translateY(-1px); box-shadow:0 10px 24px -10px rgba(46,110,59,.55);}
.btn-outline{
  background:transparent;
  border-color:rgba(255,255,255,0.5);
  color:inherit;
}
.btn-outline:hover{background:rgba(255,255,255,0.12); transform:translateY(-1px);}
.btn-outline-dark{
  background:transparent;
  border-color:var(--navy-700);
  color:var(--navy-800);
}
.btn-outline-dark:hover{background:var(--navy-800); color:var(--white);}
.btn-block{width:100%; justify-content:center;}

/* =========== Header =========== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,0.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -20px rgba(16,31,44,0.4);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:84px;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex-shrink:0;
}
.brand img{height:40px;width:auto;}
.brand-text{
  font-family:var(--font-display);
  font-weight:600;
  font-size:1.15rem;
  color:var(--navy-800);
  line-height:1.1;
}
.brand-text small{display:block;font-family:var(--font-body);font-weight:500;font-size:0.62rem;letter-spacing:.06em;color:var(--mist);}

.main-nav{display:flex;gap:36px;list-style:none;margin:0;padding:0;}
.main-nav a{
  text-decoration:none;
  font-weight:500;
  font-size:0.98rem;
  color:var(--navy-800);
  position:relative;
  padding:6px 0;
}
.main-nav a::after{
  content:"";
  position:absolute;left:0;right:100%;bottom:0;
  height:2px;background:var(--green-500);
  transition:right .22s ease;
}
.main-nav a:hover::after{right:0;}

.header-actions{display:flex;align-items:center;gap:18px;}
.phone-link{
  display:flex;align-items:center;gap:8px;
  font-weight:600;font-size:0.95rem;color:var(--navy-800);text-decoration:none;
}
.header-cta{white-space:nowrap;}

.menu-toggle{
  display:none;
  background:none;border:none;cursor:pointer;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:var(--radius-s);
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after{
  content:"";
  display:block;
  width:22px;height:2px;background:var(--navy-800);
  position:relative;
  transition:transform .2s ease, opacity .2s ease;
}
.menu-toggle span::before{position:absolute;top:-7px;}
.menu-toggle span::after{position:absolute;top:7px;}
.menu-toggle[aria-expanded="true"] span{background:transparent;}
.menu-toggle[aria-expanded="true"] span::before{transform:translateY(7px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span::after{transform:translateY(-7px) rotate(-45deg);}

/* =========== Hero =========== */
.hero{
  position:relative;
  color:var(--white);
  overflow:hidden;
  min-height:min(88vh,760px);
  display:flex;
  align-items:center;
}
.hero-media{
  position:absolute; top:0; left:0; right:0; bottom:0;
  background-size:cover; background-position:center;
  z-index:0;
}
.hero-media::after{
  content:"";
  position:absolute; top:0; left:0; right:0; bottom:0;
  background:linear-gradient(115deg, rgba(16,31,44,0.94) 0%, rgba(16,31,44,0.86) 38%, rgba(16,31,44,0.55) 68%, rgba(16,31,44,0.32) 100%);
}
.hero-content{
  position:relative; z-index:1;
  max-width:640px;
  padding:140px 0 90px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:0.85rem;font-weight:600;letter-spacing:.02em;
  color:#BFE3C8;
  margin-bottom:20px;
}
.hero-eyebrow::before{content:"";width:22px;height:2px;background:var(--green-400);display:inline-block;}
.hero h1{color:var(--white); margin-bottom:22px;}
.hero .lead{color:#D7E2E8; font-size:1.2rem; max-width:520px;}
.hero-actions{display:flex; gap:16px; flex-wrap:wrap; margin-top:34px;}
.hero-trust{
  display:flex; gap:28px; flex-wrap:wrap;
  margin-top:56px; padding-top:28px;
  border-top:1px solid rgba(255,255,255,0.18);
}
.hero-trust-item{font-size:0.92rem; color:#C9D6DB; display:flex; align-items:center; gap:9px;}
.hero-trust-item svg{flex-shrink:0;color:var(--green-400);}

/* =========== Trust bar =========== */
.trust-bar{
  background:var(--white);
  border-bottom:1px solid var(--line);
}
.trust-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:0;
}
.trust-cell{
  padding:34px 20px;
  text-align:center;
  border-left:1px solid var(--line);
  display:flex; flex-direction:column; align-items:center; gap:10px;
}
.trust-cell:first-child{border-left:none;}
.trust-cell svg{color:var(--green-500);}
.trust-cell span{font-size:0.92rem; font-weight:600; color:var(--navy-800);}

/* =========== Services =========== */
.services-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.service-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:box-shadow .25s ease, transform .25s ease;
}
.service-card:hover{box-shadow:var(--shadow-soft); transform:translateY(-3px);}
.service-media{aspect-ratio:4/3; overflow:hidden;}
.service-media img{width:100%;height:100%;object-fit:cover;}
.service-body{padding:26px 26px 30px;}
.service-body h3{margin-bottom:8px;}
.service-body p{color:var(--mist); font-size:0.98rem; margin-bottom:0;}

/* =========== Warum wir =========== */
.why-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:36px 48px;
}
.why-item{display:flex; gap:18px;}
.why-icon{
  flex-shrink:0;
  width:48px;height:48px;
  border-radius:12px;
  background:rgba(60,140,75,0.12);
  color:var(--green-600);
  display:flex;align-items:center;justify-content:center;
}
.why-item h3{margin-bottom:6px; font-size:1.15rem;}
.why-item p{color:var(--mist); margin-bottom:0; font-size:0.98rem;}

/* =========== Ablauf =========== */
.process-list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  counter-reset:step;
  border-top:1px solid var(--line-dark);
}
.process-item{
  padding:34px 26px 0;
  border-left:1px solid var(--line-dark);
  position:relative;
}
.process-item:first-child{border-left:none;}
.process-num{
  font-family:var(--font-display);
  font-size:2.4rem;
  color:var(--green-400);
  display:block;
  margin-bottom:14px;
}
.process-item h3{color:var(--white); font-size:1.1rem; margin-bottom:8px;}
.process-item p{color:#B9C7CC; font-size:0.94rem; margin-bottom:0;}

/* =========== Galerie =========== */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  grid-auto-rows:150px;
  gap:16px;
}
.gallery-item{
  overflow:hidden;
  border-radius:var(--radius-m);
  position:relative;
}
.gallery-item img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.gallery-item:hover img{transform:scale(1.06);}
.g-a{grid-column:span 3; grid-row:span 2;}
.g-b{grid-column:span 3; grid-row:span 1;}
.g-c{grid-column:span 2; grid-row:span 1;}
.g-d{grid-column:span 2; grid-row:span 2;}
.g-e{grid-column:span 2; grid-row:span 1;}
.g-f{grid-column:span 3; grid-row:span 1;}

/* =========== Über uns =========== */
.about-layout{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:64px;
  align-items:center;
}
.about-media{
  border-radius:var(--radius-m);
  overflow:hidden;
  aspect-ratio:4/5;
}
.about-media img{width:100%;height:100%;object-fit:cover;}
.about-copy .lead{color:var(--navy-800); font-family:var(--font-display); font-size:1.5rem; font-weight:500; line-height:1.35;}
.about-facts{
  display:flex; gap:32px; margin-top:30px; padding-top:26px; border-top:1px solid var(--line); flex-wrap:wrap;
}
.about-fact strong{display:block; font-family:var(--font-display); font-size:1.3rem; color:var(--navy-800);}
.about-fact span{font-size:0.88rem; color:var(--mist);}

/* =========== CTA groß =========== */
.cta-banner{
  background:var(--green-600);
  color:var(--white);
  border-radius:0;
  padding:80px 0;
  text-align:center;
}
.cta-banner h2{color:var(--white); margin-bottom:14px;}
.cta-banner p{color:rgba(255,255,255,0.88); max-width:560px; margin:0 auto 30px; font-size:1.1rem;}
.cta-banner .btn-primary{background:var(--white); color:var(--green-700,var(--green-600));}
.cta-banner .btn-primary:hover{background:var(--navy-900); color:var(--white);}

/* =========== Kontakt =========== */
.contact-layout{
  display:grid;
  grid-template-columns:0.85fr 1.15fr;
  gap:56px;
}
.contact-info-card{
  background:var(--navy-800);
  color:var(--white);
  border-radius:var(--radius-m);
  padding:40px;
}
.contact-info-card h3{color:var(--white);}
.contact-list{list-style:none; margin:26px 0 0; padding:0; display:flex; flex-direction:column; gap:20px;}
.contact-list li{display:flex; gap:14px; align-items:flex-start;}
.contact-list svg{flex-shrink:0; margin-top:2px; color:var(--green-400);}
.contact-list a{text-decoration:none; color:var(--white); font-weight:500;}
.contact-list span.label{display:block; font-size:0.82rem; color:#9EB0B8; margin-bottom:2px;}
.hours-table{margin-top:26px; padding-top:22px; border-top:1px solid rgba(255,255,255,0.16); font-size:0.94rem;}
.hours-row{display:flex; justify-content:space-between; padding:5px 0; color:#C9D6DB;}

.form-card{
  background:var(--cream);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:40px;
}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block; font-size:0.88rem; font-weight:600; color:var(--navy-800); margin-bottom:7px;}
.field input, .field select, .field textarea{
  width:100%;
  padding:13px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-s);
  font-family:inherit;
  font-size:0.98rem;
  background:var(--white);
  color:var(--ink);
  transition:border-color .18s ease, box-shadow .18s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none;
  border-color:var(--green-500);
  box-shadow:0 0 0 3px rgba(60,140,75,0.18);
}
.field textarea{resize:vertical; min-height:120px;}
.field-hint{font-size:0.8rem; color:var(--mist); margin-top:5px;}
.hp-field{position:absolute; left:-9999px; top:-9999px;}
.form-msg{
  margin-top:16px;
  padding:14px 16px;
  border-radius:var(--radius-s);
  font-size:0.94rem;
  display:none;
}
.form-msg.show{display:block;}
.form-msg.success{background:rgba(60,140,75,0.14); color:var(--green-600); border:1px solid rgba(60,140,75,0.3);}
.form-msg.error{background:rgba(190,60,60,0.1); color:#B23A3A; border:1px solid rgba(190,60,60,0.3);}

/* =========== Footer =========== */
.site-footer{
  background:var(--navy-900);
  color:#AEBFC6;
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,0.1);
}
.footer-brand img{height:38px; margin-bottom:16px;}
.footer-brand p{font-size:0.92rem; color:#93A5AC; max-width:280px;}
.footer-col h4{color:var(--white); font-family:var(--font-body); font-size:0.92rem; font-weight:700; letter-spacing:.02em; margin-bottom:18px;}
.footer-col ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:11px;}
.footer-col a{text-decoration:none; color:#AEBFC6; font-size:0.94rem;}
.footer-col a:hover{color:var(--white);}
.footer-bottom{
  padding-top:26px;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  font-size:0.85rem; color:#7E8F96;
}
.footer-bottom a{color:#7E8F96; text-decoration:none;}
.footer-bottom a:hover{color:var(--white);}

/* =========== Reveal animation ===========
   Wichtig: .reveal-Elemente sind standardmäßig SICHTBAR.
   Erst JavaScript fügt (falls unterstützt) die Klasse
   "reveal-armed" hinzu und blendet Inhalte sanft ein.
   So funktioniert die Seite auch ohne oder bei langsamem JS
   vollständig und zeigt niemals leere Abschnitte. */
.reveal{transition:opacity .6s ease, transform .6s ease;}
.reveal.reveal-armed{opacity:0; transform:translateY(18px);}
.reveal.reveal-armed.is-visible{opacity:1; transform:none;}

/* =========== Legal pages =========== */
.legal-page{padding:64px 0 100px;}
.legal-page h1{margin-bottom:8px;}
.legal-page .updated{color:var(--mist); margin-bottom:40px; font-size:0.92rem;}
.legal-page h2{font-size:1.3rem; margin-top:2.2em;}
.legal-page p, .legal-page li{color:var(--ink); font-size:1rem;}
.legal-page a{color:var(--green-600);}
.back-link{display:inline-flex; align-items:center; gap:8px; margin-bottom:30px; text-decoration:none; color:var(--navy-800); font-weight:600; font-size:0.94rem;}

/* =========== Mobile ===========*/
@media (max-width:980px){
  .main-nav{
    position:fixed; inset:84px 0 0 0;
    background:var(--white);
    flex-direction:column;
    padding:32px 24px;
    gap:6px;
    transform:translateX(100%);
    transition:transform .28s ease;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav a{display:block; padding:14px 4px; font-size:1.05rem; border-bottom:1px solid var(--line);}
  .header-cta.desktop-only{display:none;}
  .menu-toggle{display:flex;}
  .phone-link span.text{display:none;}

  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .trust-cell:nth-child(3){border-left:none;}
  .trust-cell{border-left:1px solid var(--line);}
  .trust-cell:nth-child(odd){border-left:none;}

  .services-grid{grid-template-columns:repeat(2,1fr);}
  .why-grid{grid-template-columns:1fr;}
  .process-list{grid-template-columns:repeat(2,1fr);}
  .process-item:nth-child(3){border-left:none;}
  .process-item{border-top:1px solid var(--line-dark); padding-top:28px; margin-top:6px;}
  .process-item:nth-child(1),.process-item:nth-child(2){border-top:none; margin-top:0;}

  .gallery-grid{grid-template-columns:repeat(2,1fr); grid-auto-rows:180px;}
  .g-a,.g-b,.g-c,.g-d,.g-e,.g-f{grid-column:span 1; grid-row:span 1;}
  .g-a{grid-column:span 2; grid-row:span 2;}

  .about-layout{grid-template-columns:1fr; gap:36px;}
  .about-media{aspect-ratio:16/10;}

  .contact-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media (max-width:640px){
  .section{padding:64px 0;}
  .hero-content{padding:120px 0 70px;}
  .services-grid{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr 1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr; gap:32px;}
  .footer-bottom{flex-direction:column; align-items:flex-start;}
  .process-list{grid-template-columns:1fr;}
  .process-item{border-left:none !important; border-top:1px solid var(--line-dark); margin-top:6px;}
  .process-item:first-child{border-top:none; margin-top:0;}
  .gallery-grid{grid-template-columns:1fr; grid-auto-rows:220px;}
  .g-a{grid-column:span 1; grid-row:span 1;}
  .hero-trust{gap:16px 24px;}
  .about-facts{gap:22px;}
  .cta-banner{padding:60px 0;}
  .header-inner{height:72px;}
  .main-nav{inset:72px 0 0 0;}
}