:root {
  --navy: #0b2239;
  --navy-2: #123c5a;
  --cyan: #1fb6d5;
  --cyan-dark: #0d8ead;
  --ice: #eaf7fb;
  --white: #ffffff;
  --ink: #13202c;
  --muted: #5e6b76;
  --line: #d8e4ea;
  --success: #16794a;
  --shadow: 0 20px 55px rgba(11, 34, 57, .13);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.container { width: min(100% - 32px, var(--container)); margin-inline: auto; }
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }
.bg-soft { background: linear-gradient(180deg, #f7fbfd, var(--ice)); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--cyan-dark); font-weight: 800; letter-spacing: .08em;
  text-transform: uppercase; font-size: .78rem;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--cyan); }
h1, h2, h3 { color: var(--navy); line-height: 1.12; margin: 0 0 18px; }
h1 { font-size: clamp(2.35rem, 8vw, 4.8rem); letter-spacing: -.045em; }
h2 { font-size: clamp(2rem, 5vw, 3.25rem); letter-spacing: -.035em; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 18px; }
.lead { font-size: clamp(1.06rem, 2vw, 1.3rem); color: #d7e5ef; max-width: 720px; }
.section-intro { max-width: 720px; color: var(--muted); font-size: 1.08rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  min-height: 52px; display: inline-flex; align-items: center; justify-content: center;
  gap: 10px; padding: 13px 20px; border-radius: 999px; font-weight: 800;
  border: 1px solid transparent; transition: .2s ease; text-align: center;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--cyan); color: var(--navy); box-shadow: 0 12px 30px rgba(31,182,213,.26); }
.btn-primary:hover { background: #41c6df; }
.btn-secondary { background: transparent; color: var(--white); border-color: rgba(255,255,255,.34); }
.btn-secondary:hover { background: rgba(255,255,255,.08); }
.btn-dark { background: var(--navy); color: var(--white); }
.btn-outline { border-color: var(--navy); color: var(--navy); background: transparent; }

.site-header {
  position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px); border-bottom: 1px solid rgba(216,228,234,.8);
}
.nav-wrap { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 900; color: var(--navy); }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(145deg, var(--navy), var(--cyan-dark)); color: var(--white);
  box-shadow: 0 8px 18px rgba(11,34,57,.18);
}
.brand small { display: block; color: var(--muted); font-weight: 700; font-size: .72rem; margin-top: -2px; }
.nav-toggle {
  border: 0; background: transparent; width: 46px; height: 46px; border-radius: 10px;
  display: grid; place-items: center; color: var(--navy);
}
.nav-links {
  position: fixed; inset: 74px 0 auto 0; background: var(--white); padding: 18px 16px 26px;
  border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
  display: none; flex-direction: column; gap: 6px;
}
.nav-links.open { display: flex; }
.nav-links a { padding: 12px 14px; border-radius: 10px; font-weight: 750; }
.nav-links a:hover, .nav-links a.active { background: var(--ice); color: var(--cyan-dark); }
.nav-links .nav-cta { background: var(--navy); color: var(--white); }

.hero {
  position: relative; overflow: hidden; min-height: 700px; display: grid; align-items: center;
  background:
    radial-gradient(circle at 80% 20%, rgba(31,182,213,.25), transparent 30%),
    linear-gradient(125deg, rgba(11,34,57,.98), rgba(18,60,90,.93));
  color: var(--white);
}
.hero::before, .hero::after {
  content: ""; position: absolute; border: 1px solid rgba(255,255,255,.09); transform: rotate(32deg);
}
.hero::before { width: 420px; height: 760px; right: -120px; top: -170px; background: rgba(255,255,255,.025); }
.hero::after { width: 220px; height: 460px; right: 220px; bottom: -220px; background: rgba(31,182,213,.055); }
.hero-grid { position: relative; z-index: 2; display: grid; gap: 40px; padding: 76px 0; }
.hero h1 { color: var(--white); max-width: 920px; }
.hero-points { display: grid; gap: 10px; margin-top: 28px; }
.hero-point { display: flex; align-items: flex-start; gap: 10px; color: #e6f0f6; font-weight: 650; }
.check {
  flex: 0 0 24px; width: 24px; height: 24px; display: grid; place-items: center;
  border-radius: 50%; background: rgba(31,182,213,.18); color: #77e1f4; margin-top: 2px;
}
.hero-card {
  background: rgba(255,255,255,.96); color: var(--ink); border-radius: var(--radius);
  padding: 24px; box-shadow: 0 28px 80px rgba(0,0,0,.25);
}
.hero-card h2 { font-size: 1.65rem; }
.hero-card p { color: var(--muted); }
.hero-badge {
  display: inline-flex; padding: 7px 11px; border-radius: 999px; background: var(--ice);
  color: var(--cyan-dark); font-size: .78rem; font-weight: 850; margin-bottom: 14px;
}
.trust-strip { background: var(--white); border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; padding: 24px 0; }
.trust-item strong { display: block; font-size: 1.2rem; color: var(--navy); }
.trust-item span { color: var(--muted); font-size: .9rem; }

.grid-3 { display: grid; gap: 18px; }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: 0 10px 30px rgba(11,34,57,.055); transition: .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #c6dce7; }
.icon-box {
  width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center;
  background: var(--ice); color: var(--cyan-dark); font-size: 1.45rem; margin-bottom: 18px;
}
.card p { color: var(--muted); }
.card-link { font-weight: 850; color: var(--cyan-dark); display: inline-flex; gap: 8px; align-items: center; }

.split { display: grid; gap: 34px; align-items: center; }
.visual-panel {
  min-height: 420px; border-radius: 28px; position: relative; overflow: hidden;
  background:
    linear-gradient(135deg, rgba(11,34,57,.05), rgba(31,182,213,.18)),
    repeating-linear-gradient(90deg, #dff2f8 0 72px, #ffffff 72px 78px);
  border: 1px solid #cfe6ef; box-shadow: var(--shadow);
}
.visual-panel::before {
  content: ""; position: absolute; inset: 34px; border: 12px solid var(--navy);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.7);
}
.visual-panel::after {
  content: "GLAS · PRÄZISION · HANDWERK"; position: absolute; bottom: 22px; left: 50%;
  transform: translateX(-50%); white-space: nowrap; background: var(--navy); color: white;
  padding: 9px 14px; border-radius: 999px; font-size: .72rem; font-weight: 900; letter-spacing: .1em;
}
.feature-list { display: grid; gap: 16px; margin: 26px 0; }
.feature { display: grid; grid-template-columns: 42px 1fr; gap: 13px; align-items: start; }
.feature .icon-box { width: 42px; height: 42px; margin: 0; font-size: 1rem; }
.feature h3 { font-size: 1.05rem; margin-bottom: 4px; }
.feature p { color: var(--muted); margin: 0; }

.testimonials { display: grid; gap: 18px; }
.quote { position: relative; }
.quote::before { content: "“"; position: absolute; top: 8px; right: 20px; font-size: 5rem; color: var(--ice); font-family: Georgia, serif; line-height: 1; }
.stars { color: #e9a91b; letter-spacing: .08em; margin-bottom: 12px; }
.quote footer { margin-top: 16px; color: var(--navy); font-weight: 850; }
.quote footer span { display: block; color: var(--muted); font-weight: 500; font-size: .9rem; }

.cta-band {
  border-radius: 28px; padding: 38px 24px;
  background: linear-gradient(120deg, var(--navy), var(--navy-2)); color: var(--white);
  position: relative; overflow: hidden;
}
.cta-band::after { content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%; background: rgba(31,182,213,.18); right: -120px; top: -150px; }
.cta-band h2 { color: var(--white); max-width: 760px; }
.cta-band p { color: #d3e2ec; max-width: 720px; }

.page-hero {
  padding: 86px 0 70px; background: linear-gradient(130deg, var(--navy), var(--navy-2));
  color: white; position: relative; overflow: hidden;
}
.page-hero h1 { color: white; font-size: clamp(2.4rem, 7vw, 4.3rem); }
.page-hero p { color: #d8e6ef; max-width: 740px; font-size: 1.15rem; }

.service-detail { display: grid; gap: 18px; }
.service-row {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
  display: grid; gap: 16px; background: var(--white);
}
.service-row ul { margin: 0; padding-left: 20px; color: var(--muted); }

.contact-grid { display: grid; gap: 24px; }
.contact-card { background: var(--navy); color: white; border-radius: var(--radius); padding: 26px; }
.contact-card h2, .contact-card h3 { color: white; }
.contact-card p, .contact-card a { color: #dce9f1; }
.contact-list { display: grid; gap: 15px; margin-top: 24px; }
.contact-item { display: grid; grid-template-columns: 34px 1fr; gap: 10px; }

.form {
  background: white; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
  box-shadow: 0 12px 35px rgba(11,34,57,.07);
}
.form-grid { display: grid; gap: 15px; }
.field label { display: block; font-weight: 800; color: var(--navy); margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; border: 1px solid #bfd0d9; border-radius: 11px; padding: 13px 14px;
  background: #fbfdfe; outline: none;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--cyan-dark); box-shadow: 0 0 0 3px rgba(31,182,213,.13); }
.field textarea { min-height: 150px; resize: vertical; }
.form-note { font-size: .82rem; color: var(--muted); }
.form-status { display: none; margin-top: 14px; padding: 12px; border-radius: 10px; background: #e9f8f0; color: var(--success); font-weight: 750; }

.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: white; }
.faq-question {
  width: 100%; text-align: left; border: 0; background: white; padding: 19px 20px;
  display: flex; justify-content: space-between; align-items: center; gap: 18px;
  color: var(--navy); font-weight: 850;
}
.faq-answer { display: none; padding: 0 20px 20px; color: var(--muted); }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-question span:last-child { transform: rotate(45deg); }

.site-footer { background: #071827; color: #c8d7e1; padding: 58px 0 22px; }
.footer-grid { display: grid; gap: 28px; }
.site-footer h3 { color: white; font-size: 1rem; }
.site-footer a:hover { color: #71def2; }
.footer-links { display: grid; gap: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 34px; padding-top: 20px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: .85rem; }

.floating-call {
  position: fixed; right: 16px; bottom: 16px; z-index: 900; width: 58px; height: 58px;
  border-radius: 50%; display: grid; place-items: center; background: var(--cyan); color: var(--navy);
  box-shadow: 0 12px 30px rgba(0,0,0,.25); font-size: 1.35rem;
}
.notice {
  border-left: 4px solid var(--cyan); background: var(--ice); padding: 14px 16px;
  border-radius: 0 10px 10px 0; color: var(--navy);
}

@media (min-width: 720px) {
  .section { padding: 96px 0; }
  .hero-grid { grid-template-columns: 1.5fr .72fr; align-items: center; }
  .trust-grid { grid-template-columns: repeat(4, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .testimonials { grid-template-columns: repeat(3, 1fr); }
  .split { grid-template-columns: 1fr 1fr; }
  .service-row { grid-template-columns: 1.2fr 1fr; }
  .contact-grid { grid-template-columns: .8fr 1.2fr; align-items: start; }
  .form-grid.two { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .cta-band { padding: 56px; }
}
@media (min-width: 980px) {
  .nav-toggle { display: none; }
  .nav-links {
    position: static; display: flex; flex-direction: row; align-items: center; padding: 0;
    border: 0; box-shadow: none; background: transparent;
  }
  .nav-links a { padding: 10px 12px; }
  .nav-links .nav-cta { padding-inline: 18px; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}