/* ============================================================
   Renovierung24 — Shared Stylesheet
   Navy + Amber, modern, conversion-focused
   ============================================================ */
:root {
  --navy-900: #0b1d2c;
  --navy-800: #10283c;
  --navy-700: #16344d;
  --navy-600: #1f4468;
  --amber-500: #f59e0b;
  --amber-600: #e8890c;
  --amber-050: #fef3e2;
  --green-600: #16a34a;
  --ink: #1c2b38;
  --ink-soft: #4b5d6b;
  --paper: #ffffff;
  --paper-warm: #f7f9fb;
  --paper-tint: #eef3f7;
  --line: #dde6ec;
  --radius: 14px;
  --shadow-sm: 0 2px 8px rgba(11, 29, 44, .08);
  --shadow-md: 0 10px 30px rgba(11, 29, 44, .14);
  --shadow-lg: 0 24px 60px rgba(11, 29, 44, .22);
  --maxw: 1180px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: 'Sora', 'Inter', system-ui, sans-serif; line-height: 1.15; color: var(--navy-900); }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.topbar {
  background: var(--navy-900);
  color: #cddced;
  font-size: 13.5px;
  padding: 7px 0;
}
.topbar .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.topbar strong { color: #fff; }
.topbar .flags { letter-spacing: 2px; }

header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
header.site .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; gap: 24px;
}
.logo { display: flex; align-items: center; gap: 10px; font-family: 'Sora', sans-serif; font-weight: 800; font-size: 21px; color: var(--navy-900); }
.logo .mark {
  width: 38px; height: 38px; border-radius: 10px; overflow: hidden;
  display: grid; place-items: center; color: #fff; font-size: 19px;
  box-shadow: var(--shadow-sm); flex: 0 0 auto;
}
.logo .mark svg { display: block; width: 100%; height: 100%; }
.logo .num { color: var(--amber-600); }
nav.main { display: flex; gap: 26px; font-weight: 600; font-size: 15px; color: var(--ink-soft); }
nav.main a { padding: 6px 2px; border-bottom: 2px solid transparent; transition: .18s; }
nav.main a:hover, nav.main a.active { color: var(--navy-900); border-color: var(--amber-500); }
.header-cta { display: flex; align-items: center; gap: 14px; }
.phone-link { font-weight: 700; color: var(--navy-900); font-size: 15px; display: flex; align-items: center; gap: 8px; }
.phone-link small { display: block; font-weight: 500; color: var(--ink-soft); font-size: 11.5px; line-height: 1.2; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 700; font-size: 16px; border-radius: 999px; cursor: pointer;
  padding: 15px 30px; border: none; transition: .18s; font-family: inherit;
}
.btn-primary {
  background: linear-gradient(135deg, var(--amber-500), var(--amber-600));
  color: #fff; box-shadow: 0 8px 22px rgba(232, 137, 12, .38);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(232, 137, 12, .48); }
.btn-ghost {
  background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.45);
}
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn-dark { background: var(--navy-800); color: #fff; }
.btn-dark:hover { background: var(--navy-600); transform: translateY(-2px); }
.btn-sm { padding: 11px 22px; font-size: 14.5px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: var(--navy-900);
}
.hero .bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: .38;
}
.hero .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(11,29,44,.96) 0%, rgba(11,29,44,.82) 45%, rgba(11,29,44,.35) 100%);
}
.hero .container { position: relative; z-index: 2; padding-top: 96px; padding-bottom: 96px; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(245,158,11,.16); border: 1px solid rgba(245,158,11,.5);
  color: #ffd58a; font-weight: 700; font-size: 13.5px; letter-spacing: .4px;
  padding: 7px 16px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { color: #fff; font-size: clamp(34px, 5vw, 56px); font-weight: 800; max-width: 720px; margin-bottom: 20px; }
.hero h1 .accent { color: var(--amber-500); }
.hero p.lead { font-size: clamp(16px, 2vw, 19.5px); color: #d6e2ee; max-width: 620px; margin-bottom: 28px; }
.hero ul.checks { list-style: none; display: grid; gap: 12px; margin-bottom: 34px; font-size: 16.5px; font-weight: 600; }
.hero ul.checks li { display: flex; gap: 12px; align-items: flex-start; color: #eaf2f9; }
.hero ul.checks .tick {
  flex: 0 0 24px; height: 24px; border-radius: 50%; background: var(--green-600);
  display: grid; place-items: center; font-size: 13px; color: #fff; margin-top: 2px;
}
.hero .cta-row { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.hero .micro { margin-top: 18px; font-size: 13.5px; color: #9fb4c8; }

/* ---------- Trust bar ---------- */
.trustbar { background: var(--navy-800); color: #fff; padding: 26px 0; }
.trustbar .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; text-align: center; }
.trustbar .t { border-right: 1px solid rgba(255,255,255,.12); padding: 0 10px; }
.trustbar .t:last-child { border-right: none; }
.trustbar .big { font-family: 'Sora', sans-serif; font-size: 27px; font-weight: 800; color: var(--amber-500); }
.trustbar .lab { font-size: 13.5px; color: #b9cbdc; }

/* ---------- Sections ---------- */
section.block { padding: 88px 0; }
section.block.tint { background: var(--paper-warm); }
.kicker {
  color: var(--amber-600); font-weight: 800; letter-spacing: 2.5px;
  text-transform: uppercase; font-size: 13px; margin-bottom: 12px;
}
.block h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; margin-bottom: 16px; max-width: 760px; }
.block p.sub { color: var(--ink-soft); font-size: 17.5px; max-width: 700px; margin-bottom: 44px; }
.center { text-align: center; }
.center .sub, .center h2 { margin-left: auto; margin-right: auto; }

/* ---------- Before/After Slider ---------- */
.ba-wrap { max-width: 980px; margin: 0 auto; }
.ba {
  position: relative; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-lg); aspect-ratio: 16/9; user-select: none;
  touch-action: none; cursor: ew-resize; background: var(--navy-900);
}
.ba img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
/* base layer = NEU (links sichtbar), top layer = ALT, von rechts einclippt */
.ba .old { clip-path: inset(0 0 0 var(--pos, 50%)); }
.ba .handle {
  position: absolute; top: 0; bottom: 0; left: var(--pos, 50%);
  width: 4px; background: #fff; transform: translateX(-50%);
  box-shadow: 0 0 14px rgba(0,0,0,.45); z-index: 3;
}
.ba .handle .knob {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 52px; height: 52px; border-radius: 50%; background: #fff;
  display: grid; place-items: center; font-weight: 800; color: var(--navy-900);
  box-shadow: var(--shadow-md); font-size: 17px; letter-spacing: 1px;
}
.ba .tag {
  position: absolute; top: 18px; z-index: 2; font-weight: 800; font-size: 13px;
  letter-spacing: 1.6px; padding: 8px 16px; border-radius: 999px; color: #fff;
}
.ba .tag.neu { left: 18px; background: var(--green-600); }
.ba .tag.alt { right: 18px; background: rgba(11,29,44,.78); border: 1px solid rgba(255,255,255,.35); }
.ba-hint { text-align: center; color: var(--ink-soft); font-size: 14.5px; margin-top: 16px; }
.ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px 30px; margin-top: 48px; }
.ba-grid .ba { box-shadow: var(--shadow-md); }
.ba-grid .ba .handle .knob { width: 40px; height: 40px; font-size: 15px; }
.ba-grid .ba .tag { font-size: 11px; padding: 6px 13px; top: 12px; letter-spacing: 1.2px; }
.ba-grid .ba .tag.neu { left: 12px; }
.ba-grid .ba .tag.alt { right: 12px; }
.ba-cap { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 16.5px; color: var(--navy-900); margin-top: 14px; }
.ba-cap small { display: block; font-family: 'Inter', sans-serif; font-weight: 500; color: var(--ink-soft); font-size: 13.5px; margin-top: 2px; }
@media (max-width: 820px) { .ba-grid { grid-template-columns: 1fr; } }
.ba-title { text-align: center; font-family: 'Sora', sans-serif; font-weight: 700; font-size: 19px; margin: 34px 0 14px; color: var(--navy-900); }

/* ---------- Cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow-sm); transition: .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card .ico {
  width: 52px; height: 52px; border-radius: 13px; background: var(--amber-050);
  display: grid; place-items: center; font-size: 25px; margin-bottom: 18px;
}
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--ink-soft); font-size: 15px; }

/* Service cards (index) */
.svc {
  position: relative; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-md); aspect-ratio: 4/4.6; display: flex; align-items: flex-end;
  transition: .25s;
}
.svc:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.svc img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: .4s; }
.svc:hover img { transform: scale(1.05); }
.svc .veil { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,29,44,0) 30%, rgba(11,29,44,.92) 100%); }
.svc .body { position: relative; z-index: 2; padding: 28px; color: #fff; }
.svc h3 { color: #fff; font-size: 23px; margin-bottom: 8px; }
.svc p { color: #cfdeec; font-size: 14.5px; margin-bottom: 16px; }
.svc .link { font-weight: 700; color: var(--amber-500); font-size: 15px; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; }
.step .n {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--navy-800); color: var(--amber-500);
  display: grid; place-items: center; font-family: 'Sora', sans-serif;
  font-weight: 800; font-size: 19px; margin-bottom: 16px;
}
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { color: var(--ink-soft); font-size: 14px; }

/* ---------- Why / USP split ---------- */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.split .imgbox { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.usp-list { list-style: none; display: grid; gap: 20px; margin-top: 8px; }
.usp-list li { display: flex; gap: 16px; }
.usp-list .ico {
  flex: 0 0 46px; height: 46px; border-radius: 12px; background: var(--amber-050);
  display: grid; place-items: center; font-size: 22px;
}
.usp-list h4 { font-size: 16.5px; margin-bottom: 3px; }
.usp-list p { color: var(--ink-soft); font-size: 14.5px; }

/* ---------- Testimonials ---------- */
.quote { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; }
.quote .stars { color: var(--amber-500); letter-spacing: 2px; font-size: 16px; margin-bottom: 14px; }
.quote p.text { font-size: 15.5px; color: var(--ink); font-style: italic; flex: 1; }
.quote .who { display: flex; align-items: center; gap: 13px; margin-top: 20px; }
.quote .ava {
  width: 44px; height: 44px; border-radius: 50%; background: var(--navy-700);
  color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 15px;
}
.quote .who b { display: block; font-size: 14.5px; }
.quote .who span { font-size: 13px; color: var(--ink-soft); }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--navy-900), var(--navy-700)); color: #fff; padding: 72px 0; }
.cta-band h2 { color: #fff; }
.cta-band .container { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; }
.cta-band p { color: #c6d6e5; margin-top: 12px; font-size: 16.5px; }
.cta-band .right { text-align: right; }

/* ---------- Form ---------- */
.form-card {
  background: var(--paper); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  border: 1px solid var(--line); padding: 40px; max-width: 640px; margin: 0 auto;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: 13.5px; color: var(--navy-800); }
.field input, .field select, .field textarea {
  font-family: inherit; font-size: 15px; padding: 13px 15px;
  border: 1.5px solid var(--line); border-radius: 10px; background: var(--paper-warm);
  transition: .15s; color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--amber-500); background: #fff;
  box-shadow: 0 0 0 3px rgba(245,158,11,.18);
}
.form-note { font-size: 12.5px; color: var(--ink-soft); margin-top: 14px; }
.form-success {
  display: none; background: #ecfdf3; border: 1px solid #b7ebc9; color: #14532d;
  border-radius: 10px; padding: 16px 18px; font-weight: 600; margin-top: 18px;
}
.form-error {
  display: none; background: #fef2f2; border: 1px solid #fecaca; color: #991b1b;
  border-radius: 10px; padding: 16px 18px; font-weight: 600; margin-top: 18px;
}

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; }
.faq details {
  background: var(--paper); border: 1px solid var(--line); border-radius: 12px;
  margin-bottom: 12px; overflow: hidden;
}
.faq summary {
  cursor: pointer; padding: 20px 24px; font-weight: 700; font-size: 16.5px;
  color: var(--navy-900); list-style: none; display: flex; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 22px; color: var(--amber-600); font-weight: 700; transition: .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .a { padding: 0 24px 20px; color: var(--ink-soft); font-size: 15px; }

/* ---------- Footer ---------- */
footer.site { background: var(--navy-900); color: #a9bccd; padding: 64px 0 32px; font-size: 14.5px; }
footer.site .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 44px; }
footer.site h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
footer.site a { display: block; padding: 4px 0; color: #a9bccd; }
footer.site a:hover { color: var(--amber-500); }
footer.site .legal {
  border-top: 1px solid rgba(255,255,255,.12); padding-top: 24px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: #7a92a7;
}
.footer-logo { font-family: 'Sora', sans-serif; font-weight: 800; font-size: 22px; color: #fff; margin-bottom: 14px; display: flex; align-items: center; gap: 12px; }
.footer-logo .num { color: var(--amber-500); }
.footer-logo .mark { width: 34px; height: 34px; border-radius: 9px; overflow: hidden; flex: 0 0 auto; }
.footer-logo .mark svg { display: block; width: 100%; height: 100%; }

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  background: var(--paper); border-top: 1px solid var(--line); padding: 12px 16px;
  box-shadow: 0 -8px 24px rgba(11,29,44,.14);
}
.sticky-cta .btn { width: 100%; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .cta-band .container { grid-template-columns: 1fr; }
  .cta-band .right { text-align: left; }
  footer.site .cols { grid-template-columns: 1fr 1fr; }
  nav.main { display: none; }
}
@media (max-width: 640px) {
  .grid-3, .grid-2, .steps { grid-template-columns: 1fr; }
  .trustbar .container { grid-template-columns: 1fr 1fr; row-gap: 22px; }
  .trustbar .t { border-right: none; }
  .form-grid { grid-template-columns: 1fr; }
  .hero .container { padding-top: 64px; padding-bottom: 64px; }
  section.block { padding: 60px 0; }
  .sticky-cta { display: block; }
  body { padding-bottom: 74px; }
  .header-cta .btn { display: none; }
}