/* ===== Gebäudeservice FH – Stylesheet ===== */

:root{
  --navy-950:#0a1830;
  --navy-900:#0e2140;
  --navy-800:#142c52;
  --blue-600:#1a5fd6;
  --blue-500:#2b74f0;
  --blue-400:#4f92ff;
  --silver-300:#c7cdd6;
  --silver-500:#8d97a6;
  --ink:#101820;
  --ink-soft:#4a5568;
  --bg:#ffffff;
  --bg-alt:#f4f7fb;
  --line:#e4e9f0;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-md:0 10px 30px -12px rgba(10,24,48,.18);
  --shadow-lg:0 24px 60px -20px rgba(10,24,48,.28);
  --container:1180px;
  --ff:'Manrope', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; overflow-x:hidden; width:100%; }
body{
  margin:0;
  font-family:var(--ff);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  width:100%;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3{ line-height:1.15; margin:0; font-weight:800; letter-spacing:-0.02em; }
p{ margin:0; }

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

.skip-link{
  position:absolute; left:-999px; top:0;
  background:var(--blue-600); color:#fff; padding:12px 18px; border-radius:0 0 8px 0; z-index:1000;
}
.skip-link:focus{ left:0; }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 22px; border-radius:999px; font-weight:700; font-size:.95rem;
  border:1.5px solid transparent; cursor:pointer; transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:linear-gradient(135deg,var(--blue-500),var(--blue-600)); color:#fff; box-shadow:0 10px 24px -8px rgba(26,95,214,.55); }
.btn-primary:hover{ box-shadow:0 14px 30px -8px rgba(26,95,214,.65); }
.btn-outline{ background:transparent; border-color:var(--navy-900); color:var(--navy-900); }
.btn-outline:hover{ background:var(--navy-900); color:#fff; }
.btn-ghost{ background:rgba(255,255,255,.08); color:var(--navy-900); border-color:var(--line); }
.btn-lg{ padding:15px 30px; font-size:1rem; }
.btn-block{ width:100%; }

/* Scroll progress bar */
.scroll-progress{
  position:fixed; top:0; left:0; height:3px; width:0%; z-index:1000;
  background:linear-gradient(90deg,var(--blue-400),var(--blue-600));
  transition:width .1s linear;
}

/* Header */
.site-header{
  position:sticky; top:0; z-index:500;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease, background .3s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 8px 24px -12px rgba(10,24,48,.25);
}
.header-inner{
  display:flex; align-items:center; gap:16px;
  height:82px;
  transition:height .3s ease;
}
.site-header.is-scrolled .header-inner{ height:70px; }
.brand{ display:flex; align-items:center; gap:10px; margin-right:auto; flex-shrink:0; min-width:0; }
.brand-icon{ height:44px; width:auto; flex-shrink:0; }
.brand-wordmark{ height:16px; width:auto; flex-shrink:0; }
.main-nav{ flex-shrink:0; }
.main-nav ul{ display:flex; gap:22px; flex-shrink:0; }
.main-nav a{ font-weight:600; font-size:.95rem; color:var(--ink-soft); position:relative; padding:6px 0; white-space:nowrap; }
.main-nav a:hover{ color:var(--navy-900); }
.main-nav a::after{
  content:''; position:absolute; left:0; right:0; bottom:0; height:2px;
  background:var(--blue-500); transform:scaleX(0); transform-origin:right; transition:transform .25s ease;
}
.main-nav a:hover::after{ transform:scaleX(1); transform-origin:left; }
.header-actions{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
.header-phone span{ font-size:.9rem; }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:42px; height:42px; border:1px solid var(--line); border-radius:10px;
  background:#fff; cursor:pointer; flex-shrink:0;
}
.nav-toggle span{ height:2px; background:var(--navy-900); border-radius:2px; transition:transform .25s ease, opacity .25s ease; margin:0 8px; }

.nav-cta-mobile{ display:none; }

/* Hero */
.hero{ position:relative; overflow:hidden; padding:64px 0 96px; }
.hero-bg{
  position:absolute; inset:-10% 0; z-index:-1; will-change:transform;
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(43,116,240,.16), transparent 60%),
    radial-gradient(700px 400px at -5% 30%, rgba(10,24,48,.06), transparent 60%),
    var(--bg-alt);
}
.hero-inner{
  display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center;
}
.eyebrow{
  display:inline-block; font-weight:700; font-size:.8rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--blue-600); background:rgba(43,116,240,.1); padding:6px 14px; border-radius:999px; margin-bottom:18px;
}
.hero-text h1{ font-size:clamp(2.1rem,4vw,3.2rem); color:var(--navy-950); }
.hero-text h1 span{ color:var(--blue-600); }
.hero-lead{ margin-top:20px; font-size:1.1rem; color:var(--ink-soft); max-width:52ch; }
.hero-checks{ margin-top:24px; display:flex; flex-direction:column; gap:10px; }
.hero-checks li{ position:relative; padding-left:30px; font-weight:600; color:var(--navy-900); }
.hero-checks li::before{
  content:'✔'; position:absolute; left:0; top:0; color:#fff; background:var(--blue-500);
  width:20px; height:20px; border-radius:50%; font-size:.65rem; display:flex; align-items:center; justify-content:center;
}
.hero-ctas{ display:flex; gap:16px; margin-top:34px; flex-wrap:wrap; }

.hero-media{ position:relative; }
.hero-media img{
  border-radius:var(--radius-lg); box-shadow:var(--shadow-lg); aspect-ratio:4/5; object-fit:cover; width:100%;
  will-change:transform;
}
.hero-badge{
  position:absolute; left:-20px; bottom:-20px; background:#fff; border-radius:var(--radius-md);
  padding:16px 20px; box-shadow:var(--shadow-md); max-width:240px;
}
.hero-badge strong{ display:block; color:var(--navy-950); font-size:.95rem; }
.hero-badge span{ font-size:.82rem; color:var(--ink-soft); }

/* Sections */
.section{ padding:96px 0; }
.section-alt{ background:var(--bg-alt); }
.section-eyebrow{
  font-weight:700; font-size:.8rem; letter-spacing:.08em; text-transform:uppercase; color:var(--blue-600); margin-bottom:12px;
}
.section-title{ font-size:clamp(1.7rem,3vw,2.4rem); color:var(--navy-950); max-width:24ch; }
.section-lead{ margin-top:16px; color:var(--ink-soft); font-size:1.05rem; max-width:60ch; }

/* Services */
.service-grid{ margin-top:48px; display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.service-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg); padding:36px 30px;
  transition:transform .25s ease, box-shadow .25s ease;
}
.service-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.service-icon{
  width:58px; height:58px; border-radius:16px; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,var(--blue-500),var(--navy-900)); color:#fff; margin-bottom:22px;
}
.service-icon svg{ width:28px; height:28px; }
.service-card h2, .service-card h3{ font-size:1.25rem; color:var(--navy-950); margin-bottom:10px; }
.service-card p{ color:var(--ink-soft); font-size:.98rem; }

/* Vorher / Nachher – einfache Bildansicht ohne Slider */
.ba-showcase{ margin-top:48px; display:grid; grid-template-columns:repeat(2,1fr); gap:48px; }
.ba-pair{ margin:0; }
.ba-pair-images{
  display:grid; grid-template-columns:1fr 1fr; gap:4px; border-radius:var(--radius-lg); overflow:hidden;
}
.ba-photo-wrap{ position:relative; overflow:hidden; }
.ba-photo{ width:100%; height:100%; aspect-ratio:4/3; object-fit:cover; will-change:transform; }
.ba-label{
  position:absolute; left:12px; bottom:12px; font-size:.72rem; font-weight:700; letter-spacing:.04em; text-transform:uppercase;
  color:#fff; background:rgba(10,24,48,.55); padding:5px 12px; border-radius:999px;
}
.ba-pair figcaption{ margin-top:16px; text-align:center; color:var(--ink-soft); font-size:.92rem; font-weight:600; }

/* Projekte page */
.projects-hero{ padding-bottom:24px; }
.projects-hero .section-lead{ max-width:60ch; }
.project-grid{ margin-top:16px; display:grid; grid-template-columns:repeat(2,1fr); gap:32px; }
.project-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden;
  transition:transform .25s ease, box-shadow .25s ease;
}
.project-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.project-card-images{ display:grid; grid-template-columns:1fr 1fr; gap:4px; }
.project-photo-wrap{ position:relative; overflow:hidden; }
.project-photo{ width:100%; height:100%; aspect-ratio:4/3; object-fit:cover; }
.project-card-body{ padding:28px; }
.project-tag{
  display:inline-block; font-size:.72rem; font-weight:800; letter-spacing:.04em; text-transform:uppercase;
  color:var(--blue-600); background:rgba(43,116,240,.1); padding:5px 12px; border-radius:999px; margin-bottom:14px;
}
.project-card-body h2{ font-size:1.3rem; color:var(--navy-950); margin-bottom:10px; }
.project-card-body p{ color:var(--ink-soft); font-size:.98rem; }
.projects-note{ margin-top:40px; text-align:center; color:var(--ink-soft); font-size:.95rem; }

.projects-cta{
  background:var(--navy-950); color:#fff; text-align:center; padding:80px 0;
}
.projects-cta-inner{ display:flex; flex-direction:column; align-items:center; gap:16px; }
.projects-cta .section-title{ color:#fff; }
.projects-cta .section-lead{ color:#b7c1d4; max-width:50ch; }
.projects-cta .btn-primary{ margin-top:8px; }

/* About */
.about-content{ display:flex; flex-direction:column; gap:40px; }
.about-intro{ max-width:70ch; }
.about-text{ margin-top:20px; color:var(--ink-soft); font-size:1.05rem; }
.about-highlight{ margin-top:14px; font-weight:700; color:var(--navy-950); }

/* Founder */
.founder-block{
  display:grid; grid-template-columns:220px 1fr; gap:40px; align-items:center;
  background:var(--bg-alt); border-radius:var(--radius-lg); padding:40px;
}
.founder-photo{
  width:220px; height:220px; border-radius:50%; object-fit:cover; box-shadow:var(--shadow-md);
  border:4px solid #fff; will-change:transform;
}
.founder-quote-mark{ color:var(--blue-500); opacity:.5; margin-bottom:6px; }
.founder-quote{ color:var(--ink-soft); font-size:1.05rem; margin-top:12px; }
.founder-quote:first-of-type{ margin-top:0; }
.founder-name{
  margin-top:20px; font-weight:800; color:var(--navy-950); font-size:1.1rem;
  display:flex; flex-direction:column; gap:2px;
}
.founder-name span{ font-weight:600; color:var(--ink-soft); font-size:.85rem; }

/* Social Media */
.social-grid{ margin-top:48px; display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.social-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg); padding:32px 20px;
  display:flex; flex-direction:column; align-items:center; gap:14px; text-align:center;
  transition:transform .25s ease, box-shadow .25s ease;
}
.social-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.social-icon{
  width:54px; height:54px; border-radius:16px; display:flex; align-items:center; justify-content:center;
}
.social-icon--linkedin{ background:#0A66C2; }
.social-icon--instagram{ background:radial-gradient(circle at 30% 110%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%); }
.social-icon--youtube{ background:#FF0000; }
.social-icon--tiktok{ background:#000; }
.social-name{ font-weight:700; color:var(--navy-950); }

/* Contact */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start; }
.contact-list{ margin-top:28px; display:flex; flex-direction:column; gap:18px; }
.contact-list li{ display:flex; align-items:center; gap:14px; font-weight:600; color:var(--navy-950); }
.contact-list svg{ color:var(--blue-600); flex-shrink:0; }
.contact-form{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg); box-shadow:var(--shadow-md);
  padding:36px; display:flex; flex-direction:column; gap:18px;
}
.form-row{ display:flex; flex-direction:column; gap:8px; }
.form-row label{ font-weight:700; font-size:.88rem; color:var(--navy-950); }
.form-row input, .form-row textarea{
  border:1.5px solid var(--line); border-radius:var(--radius-sm); padding:12px 14px; font-family:inherit; font-size:.95rem;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.form-row input:focus, .form-row textarea:focus{
  outline:none; border-color:var(--blue-500); box-shadow:0 0 0 4px rgba(43,116,240,.15);
}
.form-note{ font-size:.82rem; color:var(--ink-soft); text-align:center; }
.form-status{ font-size:.9rem; font-weight:600; text-align:center; min-height:1.4em; }
.form-status--success{ color:#1a7a3c; }
.form-status--error{ color:#c1272d; }

.hp-field{
  position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden;
}

/* Map */
.map-embed{ margin-top:28px; }
.map-embed iframe{
  width:100%; aspect-ratio:4/3; border:0; border-radius:var(--radius-lg); box-shadow:var(--shadow-md); display:block;
}
.map-embed-link{
  display:inline-block; margin-top:12px; font-weight:700; color:var(--blue-600); font-size:.92rem;
}
.map-embed-link:hover{ text-decoration:underline; }

/* Legal page (Impressum) */
.legal-section{ padding-top:64px; }
.legal-content{ max-width:760px; }
.legal-content h1{ font-size:clamp(1.9rem,3.5vw,2.6rem); color:var(--navy-950); margin-bottom:32px; }
.legal-content h2{ font-size:1.15rem; color:var(--navy-950); margin:36px 0 10px; }
.legal-content h2:first-of-type{ margin-top:0; }
.legal-content p{ color:var(--ink-soft); }
.legal-content a:hover{ color:var(--blue-600); }

/* Footer */
.site-footer{ background:var(--navy-950); color:#cfd6e2; padding:56px 0 32px; }
.footer-inner{ display:flex; flex-direction:column; align-items:center; text-align:center; gap:16px; }
.brand-wordmark-light{ filter:brightness(0) invert(1); }
.footer-tagline{ color:#9aa7bd; max-width:44ch; }
.footer-links{ display:flex; gap:24px; flex-wrap:wrap; justify-content:center; }
.footer-links a{ font-weight:600; color:#cfd6e2; }
.footer-links a:hover{ color:#fff; }
.footer-copy{ font-size:.85rem; color:#7c8aa3; margin-top:16px; }

/* Reveal animation */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* Responsive */
/* Nav collapses to the off-canvas menu earlier than the content breakpoint below:
   6 nav items + logo + phone + CTA need ~1240px to fit on one line without wrapping. */
@media (max-width:1240px){
  .main-nav{
    position:fixed; inset:82px 0 0 0; background:#fff; padding:32px 24px;
    transform:translateX(100%); transition:transform .3s ease; overflow-y:auto;
  }
  .main-nav.is-open{ transform:translateX(0); }
  .main-nav ul{ flex-direction:column; gap:6px; }
  .main-nav a{ display:block; padding:14px 4px; font-size:1.05rem; }
  .nav-cta-mobile{ display:flex; margin-top:12px; }
  .header-phone span{ display:none; }
  .nav-toggle{ display:flex; }
}
@media (max-width:960px){
  .hero-inner, .contact-grid{ grid-template-columns:1fr; }
  .founder-block{ grid-template-columns:1fr; text-align:center; padding:32px 24px; }
  .founder-photo{ margin:0 auto; }
  .founder-name{ align-items:center; }
  .hero-media{ order:-1; }
  .service-grid{ grid-template-columns:1fr; }
  .ba-showcase{ grid-template-columns:1fr; }
  .project-grid{ grid-template-columns:1fr; }
  .social-grid{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:480px){
  .header-cta{ display:none; }
  .back-home span{ display:none; }
}
@media (max-width:520px){
  .header-inner{ height:70px; }
  .main-nav{ top:70px; }
  .brand-icon{ height:36px; }
  .brand-wordmark{ height:13px; }
  .hero{ padding:40px 0 64px; }
  .section{ padding:64px 0; }
  .hero-badge{ position:static; margin-top:16px; }
  .ba-pair-images{ grid-template-columns:1fr; }
  .project-card-images{ grid-template-columns:1fr; }
  .social-grid{ grid-template-columns:1fr 1fr; gap:16px; }
}
@media (max-width:360px){
  .brand-wordmark{ display:none; }
}