/* ==========================================================
  Muster Sanitär AG – Demo-Website (Kundendemo für MTM Web Solution)
  Farbpalette: Wasserblau, tiefes Marineblau, Aqua-Akzent, warmes Kupfer
   ========================================================== */

:root {
  --bg: #FFFFFF;
  --bg-alt: #DCEFF3;
  --surface: #FFFFFF;
  --ink: #263238;
  --ink-soft: #687579;
  --ink-faint: #687579;
  --line: #DCEFF3;
  --line-strong: #25627A;
  --accent: #25627A;
  --accent-ink: #12304A;
  --accent-soft: #DCEFF3;
  --accent-2: #25627A;
  --accent-2-soft: #DCEFF3;
  --font-display: "Manrope", sans-serif;
  --font-body: "Inter", sans-serif;

  --maxw: 1160px;
  --radius-s: 6px;
  --radius-m: 10px;
  --radius-l: 16px;
  --shadow-card: none;
  --shadow-card-hover: none;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 112px 0; }

.section-head { max-width: 680px; margin-bottom: 52px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--accent-ink); background: transparent;
  padding: 0 0 0 18px; position: relative; margin-bottom: 18px;
}
.eyebrow::before { content: ""; position: absolute; left: 0; width: 8px; height: 8px; background: var(--accent-2); border-radius: 50%; }
.section-head h2 { font-size: clamp(26px, 3.2vw, 38px); margin-bottom: 14px; }
.section-head p { color: var(--ink-soft); font-size: 17px; }

.demo-banner {
  background: var(--accent-ink);
  color: #FFFFFF;
  text-align: center;
  font-size: 13.5px;
  padding: 10px 16px;
}
.demo-banner strong { color: var(--accent-2); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px; border-radius: var(--radius-s);
  font-size: 15.5px; font-weight: 600; border: 1px solid transparent;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #FFFFFF; }
.btn-primary:hover { background: var(--accent-ink); transform: translateY(-1px); box-shadow: var(--shadow-card-hover); }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-outline:hover { border-color: var(--ink); transform: translateY(-1px); }
.btn-block { width: 100%; }

    .emergency-band .icon { width: 52px; height: 52px; border-radius: 14px; background: var(--accent); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 19px; }
.logo-image { width: 38px; height: 38px; border-radius: 8px; object-fit: cover; border: 2px solid var(--accent); flex-shrink: 0; }
.nav-desktop { display: flex; align-items: center; gap: 30px; }
.nav-desktop a { font-size: 14px; font-weight: 500; color: var(--ink-soft); transition: color .15s var(--ease); }

.header-cta { display: flex; align-items: center; gap: 14px; }
.header-phone { display: flex; align-items: center; gap: 8px; color: var(--ink-soft); font-size: 14px; font-weight: 600; white-space: nowrap; }
.header-phone svg { width: 17px; height: 17px; color: var(--accent); }

.nav-toggle { display: none; background: none; border: none; width: 40px; height: 40px; align-items: center; justify-content: center; }
.nav-toggle svg { width: 22px; height: 22px; }

.mobile-nav {
  display: none; position: fixed; inset: 78px 0 0 0; background: var(--bg); z-index: 99;
  padding: 32px 24px; overflow-y: auto;
}
.mobile-nav.is-open { display: block; }
.mobile-nav a { display: block; font-family: var(--font-display); font-size: 24px; font-weight: 700; padding: 16px 0; border-bottom: 1px solid var(--line); }
.mobile-nav .mobile-cta { margin-top: 28px; }

/* Hero */
.hero {
  padding: 112px 0 124px;
  position: relative;
  overflow: hidden;
  background: var(--bg-alt);
}
.hero::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -220px;
  top: -220px;
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.04fr 0.96fr; gap: 72px; align-items: center; }
.hero h1 { font-size: clamp(34px, 4.6vw, 52px); max-width: 15ch; }
.hero h1 span { color: var(--accent); display: inline-block; }
.hero-sub { margin-top: 22px; font-size: 18.5px; color: var(--ink-soft); max-width: 46ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

.hero-badges { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 40px; }
.hero-badge { display: flex; align-items: center; gap: 10px; font-size: 14.5px; color: var(--ink-soft); }
.hero-badge svg { width: 18px; height: 18px; color: var(--accent); flex-shrink: 0; }

.hero-visual {
  aspect-ratio: 4/5;
  background: var(--accent-ink);
  border-radius: var(--radius-l);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card-hover);
}
.hero-visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-visual .badge-float {
  position: absolute; bottom: 24px; left: 24px; right: 24px;
  background: var(--surface); border-radius: var(--radius-m);
  padding: 18px 20px; display: flex; align-items: center; gap: 14px;
}
.badge-float .icon { width: 40px; height: 40px; border-radius: 10px; background: var(--accent-2-soft); color: var(--accent-2); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.badge-float .icon svg { width: 20px; height: 20px; }
.badge-float .title { font-weight: 700; font-size: 15px; }
.badge-float .subtitle { font-size: 13px; color: var(--ink-soft); }

.hero-visual::after { content: ""; position: absolute; inset: 0; border: 1px solid var(--line); border-radius: inherit; pointer-events: none; }

/* Leistungen */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m);
  padding: 30px; transition: box-shadow .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease);
}
.service-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-4px); border-color: var(--accent); }
.service-card .icon {
  width: 46px; height: 46px; border-radius: 12px; background: var(--accent-soft); color: var(--accent-ink);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.service-card .icon svg { width: 22px; height: 22px; }
.service-card h3 { font-size: 18px; margin-bottom: 10px; }
.service-card p { color: var(--ink-soft); font-size: 15px; }

/* Notfall-Band */
.emergency-band {
  background: var(--accent-ink); color: var(--surface); border-radius: var(--radius-l);
  padding: 32px 40px; display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap; margin-top: 48px;
}
.emergency-band .left { display: flex; align-items: center; gap: 18px; }
.emergency-band .icon { width: 52px; height: 52px; border-radius: 14px; background: var(--accent-2); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.emergency-band .icon svg { width: 26px; height: 26px; color: #FFFFFF; }
.emergency-band h3 { font-size: 19px; margin-bottom: 4px; }
.emergency-band p { color: var(--bg-alt); font-size: 14.5px; }

/* Über uns */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 32px; }
.stat-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m); padding: 22px; text-align: center; }
.stat-card .num { font-family: var(--font-display); font-size: 30px; font-weight: 700; color: var(--accent-ink); }
.stat-card .label { font-size: 13px; color: var(--ink-soft); margin-top: 4px; }
.about-image {
  aspect-ratio: 4/3; background: var(--bg-alt); border-radius: var(--radius-l);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.about-image img { width: 100%; height: 100%; object-fit: cover; }

/* Referenzen */
.ref-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ref-card { border: 1px solid var(--line); border-radius: var(--radius-m); overflow: hidden; background: var(--surface); transition: box-shadow .2s var(--ease), transform .2s var(--ease); }
.ref-card:hover { box-shadow: var(--shadow-card); transform: translateY(-2px); }
.ref-preview { aspect-ratio: 4/3; background: var(--bg-alt); display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.ref-preview img { width: 100%; height: 100%; object-fit: cover; }
.ref-tag {
  position: absolute; top: 14px; left: 14px; font-size: 11px; font-weight: 600; letter-spacing: 0.03em; text-transform: uppercase;
  background: var(--surface); border: 1px solid var(--line); padding: 5px 11px; border-radius: 100px; color: var(--ink-faint);
}
.ref-info { padding: 20px; }
.ref-info h4 { font-size: 16.5px; margin-bottom: 6px; }
.ref-info p { color: var(--ink-soft); font-size: 14px; }
.ref-footnote { margin-top: 24px; font-size: 13.5px; color: var(--ink-faint); }

/* Testimonials */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testi-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m); padding: 28px; }
.testi-stars { color: var(--accent-2); font-size: 15px; margin-bottom: 14px; letter-spacing: 2px; }
.testi-card p.quote { font-size: 15px; color: var(--ink-soft); margin-bottom: 18px; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-ink); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; }
.testi-author .name { font-weight: 600; font-size: 14.5px; }
.testi-author .role { font-size: 12.5px; color: var(--ink-faint); }

/* Kontakt */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; }
.contact-methods { margin-top: 26px; display: flex; flex-direction: column; gap: 14px; }
.contact-method { display: flex; align-items: center; gap: 14px; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius-m); background: var(--surface); transition: border-color .15s var(--ease); }
.contact-method:hover { border-color: var(--accent); }
.contact-method .icon { width: 38px; height: 38px; border-radius: 9px; background: var(--accent-soft); color: var(--accent-ink); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-method .icon svg { width: 18px; height: 18px; }
.contact-method .label { font-size: 12.5px; color: var(--ink-faint); }
.contact-method .value { font-size: 15.5px; font-weight: 600; }

.hours-card { margin-top: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m); padding: 20px 22px; }
.hours-row { display: flex; justify-content: space-between; padding: 8px 0; font-size: 14.5px; border-top: 1px solid var(--line); }
.hours-row:first-of-type { border-top: none; }
.hours-row .day { color: var(--ink-soft); }
.hours-row .time { font-weight: 600; }

.form-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-l); padding: 44px; box-shadow: var(--shadow-card); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.form-group label { font-size: 13.5px; font-weight: 600; }
.form-group input, .form-group select, .form-group textarea {
  border: 1px solid var(--line-strong); border-radius: var(--radius-s); padding: 12px 14px;
  font-family: inherit; font-size: 15px; background: var(--bg); color: var(--ink);
  transition: border-color .15s var(--ease);
}
.form-group input[type="file"] { padding: 9px 12px; font-size: 13px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); outline: none; }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-success { display: none; background: var(--accent-soft); color: var(--accent-ink); padding: 16px 18px; border-radius: var(--radius-s); font-size: 14.5px; margin-bottom: 18px; }
.form-success.is-visible { display: block; }
.form-note { font-size: 13px; color: var(--ink-faint); margin-top: 14px; }

/* CTA Band */
.cta-band { background: var(--accent-ink); color: var(--surface); border-radius: var(--radius-l); padding: 68px 60px; text-align: center; margin: 0 24px; box-shadow: none; position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; width: 280px; height: 280px; right: -100px; bottom: -180px; border: 1px solid var(--accent); border-radius: 50%; }
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 12px; }
.cta-band p { color: var(--bg-alt); margin-bottom: 26px; }
.cta-band-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.cta-band .btn-primary { background: var(--surface); color: var(--accent-ink); }
.cta-band .btn-primary:hover { background: var(--bg-alt); }
.cta-band .btn-outline { border-color: var(--bg-alt); color: var(--surface); }
.cta-band .btn-outline:hover { border-color: var(--surface); }

/* Footer */
.site-footer { padding: 64px 0 32px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand p { color: var(--ink-soft); font-size: 14.5px; margin-top: 14px; max-width: 32ch; }
.footer-col h5 { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-faint); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14.5px; color: var(--ink-soft); }
.footer-col a:hover { color: var(--ink); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 26px; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-faint); flex-wrap: wrap; gap: 12px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 460px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .ref-grid { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; row-gap: 32px; }
}

@media (max-width: 720px) {
  .nav-desktop, .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .contact-grid, .contact-grid > * { min-width: 0; }
  .section { padding: 76px 0; }
  .hero { padding: 72px 0 80px; }
  .hero h1 { font-size: clamp(34px, 10vw, 48px); }
  .services-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .ref-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 28px 22px; }
  .cta-band { padding: 44px 26px; margin: 0 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .emergency-band { padding: 28px; }
}