:root {
  --ink: #12272d;
  --muted: #5b6a6e;
  --line: #dce4e3;
  --paper: #f7f8f5;
  --white: #ffffff;
  --navy: #092f3a;
  --navy-soft: #124957;
  --teal: #13a488;
  --teal-dark: #0d7f6a;
  --sand: #d9be91;
  --shadow: 0 24px 70px rgba(6, 37, 44, 0.12);
  --radius: 22px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--white);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(220, 228, 227, 0.85);
  background: rgba(247, 248, 245, 0.93);
  backdrop-filter: blur(14px);
}
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: var(--white);
  background: var(--navy);
  font-size: 18px;
  font-weight: 900;
  box-shadow: inset 0 0 0 5px rgba(255,255,255,.12);
}
.brand strong { display: block; font-size: 19px; letter-spacing: .16em; line-height: 1.1; }
.brand small { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; letter-spacing: .05em; }
.desktop-nav { display: flex; gap: 24px; font-size: 14px; font-weight: 700; }
.desktop-nav a { transition: color .2s ease; }
.desktop-nav a:hover { color: var(--teal-dark); }
.header-phone { text-align: right; }
.header-phone span { display: block; color: var(--muted); font-size: 11px; }
.header-phone strong { font-size: 17px; }

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 96px 0 88px;
  color: var(--white);
  background: var(--navy);
}
.hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .22;
  background:
    linear-gradient(90deg, var(--navy) 0%, rgba(9,47,58,.78) 52%, var(--navy) 100%),
    url("assets/wohnzimmer-nachher.webp") center/cover;
}
.hero::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -180px;
  top: -230px;
  border-radius: 50%;
  background: rgba(19,164,136,.18);
  filter: blur(4px);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: 70px; align-items: center; }
.eyebrow { margin: 0 0 16px; color: var(--teal); font-size: 13px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(44px, 6vw, 76px); line-height: 1.03; letter-spacing: -.045em; }
.hero-lead { max-width: 690px; margin: 28px 0 0; color: #d7e2e2; font-size: clamp(18px, 2vw, 21px); }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin: 30px 0; }
.hero-points span { padding: 8px 12px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; color: #e8f0ef; font-size: 13px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 13px 20px;
  border: 0;
  border-radius: 12px;
  font-weight: 850;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--teal); box-shadow: 0 12px 30px rgba(19,164,136,.25); }
.button-primary:hover { background: var(--teal-dark); }
.button-whatsapp { color: var(--navy); background: var(--white); }
.button-full { width: 100%; }
.microcopy { margin: 16px 0 0; color: #aabfc1; font-size: 12px; }

.hero-card { padding: 30px; border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius); background: rgba(255,255,255,.09); box-shadow: var(--shadow); backdrop-filter: blur(16px); }
.card-kicker { margin: 0 0 8px; color: var(--sand); font-size: 12px; font-weight: 900; text-transform: uppercase; letter-spacing: .12em; }
.hero-card h2 { margin: 0; font-size: 28px; line-height: 1.15; }
.hero-card > p:not(.card-kicker) { color: #d7e2e2; }
.phone-panel { display: flex; align-items: center; gap: 14px; margin: 24px 0; padding: 14px; border-radius: 14px; color: var(--navy); background: var(--white); }
.phone-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; color: var(--white); background: var(--teal); }
.phone-panel small { display: block; color: var(--muted); }
.phone-panel strong { font-size: 19px; }
.trust-list { margin: 0; padding: 0; list-style: none; }
.trust-list li { position: relative; padding: 8px 0 8px 28px; border-top: 1px solid rgba(255,255,255,.12); }
.trust-list li::before { content: "✓"; position: absolute; left: 2px; color: var(--teal); font-weight: 900; }

.trust-strip { background: var(--white); border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid div { padding: 24px 20px; border-right: 1px solid var(--line); }
.trust-grid div:first-child { padding-left: 0; }
.trust-grid div:last-child { border-right: 0; }
.trust-grid strong, .trust-grid span { display: block; }
.trust-grid strong { font-size: 16px; }
.trust-grid span { color: var(--muted); font-size: 12px; }

.section { padding: 104px 0; }
.section-heading { max-width: 760px; margin-bottom: 48px; }
.section-heading h2 { margin: 0; font-size: clamp(35px, 5vw, 54px); line-height: 1.08; letter-spacing: -.035em; }
.section-heading > p:last-child { max-width: 650px; color: var(--muted); font-size: 18px; }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.service-card { position: relative; min-height: 250px; padding: 32px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: 0 12px 40px rgba(6,37,44,.045); }
.service-card h3 { margin: 42px 0 10px; font-size: 25px; }
.service-card p { max-width: 500px; margin: 0; color: var(--muted); }
.service-number { color: var(--teal-dark); font-size: 13px; font-weight: 900; letter-spacing: .14em; }
.service-card::after { content: ""; position: absolute; right: -35px; bottom: -35px; width: 110px; height: 110px; border: 20px solid rgba(19,164,136,.08); border-radius: 50%; }

.section-dark { color: var(--white); background: var(--navy); }
.section-heading-light > p:last-child { color: #c6d4d5; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin: 0; padding: 0; list-style: none; }
.process-grid li { position: relative; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.2); }
.process-grid li::after { content: ""; position: absolute; top: -3px; left: 0; width: 54px; height: 5px; border-radius: 4px; background: var(--teal); }
.process-grid span { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; color: var(--navy); background: var(--sand); font-weight: 900; }
.process-grid h3 { margin: 20px 0 8px; font-size: 21px; }
.process-grid p { margin: 0; color: #bbcbcd; font-size: 14px; }

.project-list { display: grid; gap: 28px; }
.project-card { display: grid; grid-template-columns: 1.6fr .65fr; gap: 32px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: 0 14px 50px rgba(6,37,44,.05); }
.comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.comparison figure { position: relative; margin: 0; min-height: 360px; overflow: hidden; border-radius: 14px; background: #e5e9e7; }
.comparison img { width: 100%; height: 100%; object-fit: cover; }
.comparison figcaption { position: absolute; left: 12px; bottom: 12px; padding: 7px 10px; border-radius: 8px; color: var(--white); background: rgba(9,47,58,.88); font-size: 12px; font-weight: 900; text-transform: uppercase; letter-spacing: .1em; }
.project-copy { align-self: center; padding: 18px; }
.project-copy > span { color: var(--teal-dark); font-size: 12px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.project-copy h3 { margin: 16px 0 12px; font-size: 29px; line-height: 1.15; }
.project-copy p { margin: 0; color: var(--muted); }

.area-section { background: #eaf1ef; }
.area-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: center; }
.area-grid .section-heading { margin: 0; }
.text-link { display: inline-block; margin-top: 14px; color: var(--teal-dark); font-weight: 850; }
.city-cloud { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px; }
.city-cloud span { padding: 12px 16px; border: 1px solid #c4d6d2; border-radius: 999px; background: rgba(255,255,255,.65); font-weight: 750; }
.city-cloud span:first-child { padding: 18px 24px; color: var(--white); background: var(--navy); font-size: 20px; }

.faq-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; }
.faq-grid .section-heading { margin: 0; }
.accordion { border-top: 1px solid var(--line); }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { position: relative; padding: 22px 42px 22px 0; cursor: pointer; list-style: none; font-size: 18px; font-weight: 800; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; position: absolute; right: 4px; top: 17px; color: var(--teal-dark); font-size: 28px; font-weight: 400; }
.accordion details[open] summary::after { content: "−"; }
.accordion p { margin: -6px 0 24px; color: var(--muted); }

.contact-section { color: var(--white); background: linear-gradient(135deg, var(--navy), #0b414c); }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; align-items: start; }
.contact-copy h2 { margin: 0; font-size: clamp(36px, 5vw, 56px); line-height: 1.05; letter-spacing: -.035em; }
.contact-copy > p:not(.eyebrow) { color: #c8d7d8; font-size: 17px; }
.contact-options { display: grid; gap: 10px; margin-top: 34px; }
.contact-options a { padding: 17px 19px; border: 1px solid rgba(255,255,255,.17); border-radius: 12px; background: rgba(255,255,255,.07); }
.contact-options small, .contact-options strong { display: block; }
.contact-options small { color: #aac0c2; }
.contact-options strong { font-size: 18px; }
.contact-form { padding: 32px; border-radius: var(--radius); color: var(--ink); background: var(--white); box-shadow: var(--shadow); }
.contact-form label { display: block; margin-bottom: 16px; font-size: 13px; font-weight: 800; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; margin-top: 7px; padding: 13px 14px; border: 1px solid #cfd9d7; border-radius: 10px; color: var(--ink); background: #fbfcfa; outline: none; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(19,164,136,.12); }
.check-label { display: flex !important; gap: 10px; align-items: flex-start; color: var(--muted); font-weight: 500 !important; }
.check-label input { flex: 0 0 auto; width: 18px; height: 18px; margin: 2px 0 0; }
.form-note { margin: 12px 0 0; color: var(--muted); font-size: 11px; text-align: center; }

.site-footer { padding: 60px 0 22px; color: #d2dfe0; background: #06252d; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 50px; }
.brand-footer .brand-mark { background: var(--teal); }
.brand-footer small { color: #9eb3b5; }
.footer-grid > div:not(:first-child) { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.footer-grid > div:not(:first-child) strong { color: var(--white); margin-bottom: 6px; }
.footer-grid p, .footer-grid span { color: #9eb3b5; font-size: 13px; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 48px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: #849da0; font-size: 12px; }
.legal-main { padding: 72px 0 96px; background: #f4f7f5; }
.legal-card { max-width: 880px; padding: 42px; border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); }
.legal-card h1 { margin: 0 0 28px; overflow-wrap: anywhere; font-size: clamp(36px, 5vw, 60px); line-height: 1; }
.legal-card h2 { margin: 34px 0 10px; font-size: 22px; }
.legal-card h3 { margin: 24px 0 8px; font-size: 17px; }
.legal-card p, .legal-card li { color: #516266; line-height: 1.7; }
.legal-card ul { padding-left: 20px; }
.legal-card a { color: #087f70; text-decoration: underline; }
.legal-card address { color: #516266; font-style: normal; line-height: 1.7; }
.legal-back { display: inline-block; margin-bottom: 26px; font-weight: 800; color: #087f70; }
.legal-note { margin-top: 34px; padding: 18px 20px; border-left: 4px solid var(--teal); background: #eef8f5; }
.mobile-bar { display: none; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .desktop-nav { display: none; }
  .hero-grid, .contact-grid, .area-grid, .faq-grid { grid-template-columns: 1fr; gap: 46px; }
  .hero { padding-top: 74px; }
  .hero-card { max-width: 620px; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid div:nth-child(2) { border-right: 0; }
  .trust-grid div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .trust-grid div:first-child { padding-left: 20px; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .project-card { grid-template-columns: 1fr; }
  .comparison figure { min-height: 310px; }
}

@media (max-width: 680px) {
  body { padding-bottom: 66px; }
  .container { width: min(calc(100% - 28px), var(--max)); }
  .header-inner { min-height: 70px; }
  .brand-mark { width: 38px; height: 38px; }
  .brand strong { font-size: 16px; }
  .brand small { font-size: 9px; }
  .header-phone { display: none; }
  .hero { padding: 62px 0; }
  .hero h1 { font-size: clamp(40px, 13vw, 58px); }
  .hero-lead { font-size: 17px; }
  .hero-actions, .hero-actions .button { width: 100%; }
  .hero-card { padding: 23px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid div { padding: 18px 0 !important; border-right: 0; border-bottom: 1px solid var(--line); }
  .section { padding: 76px 0; }
  .section-heading { margin-bottom: 34px; }
  .service-grid, .process-grid, .form-row { grid-template-columns: 1fr; }
  .service-card { min-height: auto; padding: 25px; }
  .comparison { grid-template-columns: 1fr 1fr; gap: 5px; }
  .comparison figure { min-height: 220px; border-radius: 9px; }
  .project-card { padding: 10px; gap: 8px; }
  .project-copy { padding: 18px 10px 14px; }
  .project-copy h3 { font-size: 24px; }
  .city-cloud { justify-content: flex-start; }
  .contact-form { padding: 22px; }
  .legal-main { padding: 38px 0 70px; }
  .legal-card { padding: 26px 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 6px; }
  .mobile-bar { position: fixed; inset: auto 0 0 0; z-index: 150; display: grid; grid-template-columns: 1fr 1fr; box-shadow: 0 -8px 30px rgba(6,37,44,.15); }
  .mobile-bar a { display: grid; place-items: center; min-height: 66px; color: var(--white); background: var(--navy); font-weight: 900; }
  .mobile-bar a:last-child { background: var(--teal); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .button { transition: none; }
}