:root {
  --navy: #1a3347;
  --navy-light: #2a4a62;
  --red: #c0392b;
  --red-dark: #962d22;
  --sand: #f6f4f0;
  --sand-dark: #ebe7e0;
  --white: #ffffff;
  --text: #2c3338;
  --text-muted: #5f6b75;
  --border: #ddd8d0;
  --radius: 8px;
  --shadow: 0 4px 20px rgba(26, 51, 71, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  min-width: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    "Source Sans 3",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: anywhere;
}

h1,
h2,
h3,
h4 {
  font-family: "Source Sans 3", sans-serif;
  font-weight: 700;
  color: var(--navy);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 32px;
  }
}

/* ---------- Top bar ---------- */
.topbar {
  background: var(--navy);
  color: #c8d4de;
  font-size: 0.82rem;
}

.topbar .container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 9px 20px;
  text-align: center;
}

@media (min-width: 640px) {
  .topbar .container {
    justify-content: space-between;
    text-align: left;
  }
}

.topbar .status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.status .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4caf7d;
}

.topbar .top-phone {
  display: none;
  font-weight: 700;
  color: #fff;
}

.topbar .top-phone:hover {
  color: #a8c4d8;
}

/* ---------- Header ---------- */
header.main {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 8px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy);
  line-height: 1.2;
}

.brand-name small {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links {
  display: none;
  gap: 24px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
}

.nav-links a:hover {
  color: var(--navy-light);
}

.nav-burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  cursor: pointer;
}

.nav-burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--navy);
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.nav-burger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-burger.open span:nth-child(2) {
  opacity: 0;
}

.nav-burger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 959px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-top: none;
    box-shadow: var(--shadow);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }

  .nav-links.open {
    display: flex;
    max-height: 320px;
  }

  .nav-links a {
    padding: 13px 20px;
    border-top: 1px solid var(--border);
  }
}

@media (min-width: 960px) {
  .nav-links {
    display: flex;
  }

  .nav-burger {
    display: none;
  }

  .nav-cta {
    display: inline-flex;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition:
    background 0.15s ease,
    transform 0.15s ease;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-call {
  background: var(--red);
  color: #fff;
}

.btn-call:hover {
  background: var(--red-dark);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--navy);
}

.btn-outline:hover {
  border-color: var(--navy);
  background: var(--sand);
}

.btn-lg {
  padding: 14px 24px;
  font-size: 0.98rem;
}

.nav-cta {
  display: none;
}

.icon {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--sand);
  border-bottom: 1px solid var(--border);
  padding: 48px 0 56px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("img/schluessel.webp") center / cover no-repeat;
  opacity: 0.12;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
}

.hero-content {
  max-width: 620px;
  text-align: center;
}

.hero-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(1.85rem, 5vw, 2.75rem);
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero-lead {
  color: var(--text-muted);
  font-size: 1.02rem;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  margin-bottom: 28px;
}

.phone-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border: 2px solid var(--navy);
  border-radius: var(--radius);
  padding: 24px 36px;
  width: fit-content;
  max-width: 100%;
  text-align: center;
  transition:
    box-shadow 0.15s ease,
    border-color 0.15s ease;
}

.phone-box:hover {
  box-shadow: var(--shadow);
  border-color: var(--red);
}

.phone-box .phone-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-bottom: 4px;
}

.phone-box .phone-num {
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.03em;
  line-height: 1.2;
}

.phone-box .phone-lbl {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 28px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.trust-list li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.trust-list li::before {
  content: "✓";
  color: var(--navy-light);
  font-weight: 700;
}

@media (min-width: 900px) {
  .hero {
    padding: 64px 0 72px;
  }
}

/* ---------- Sections ---------- */
section {
  padding: 56px 0;
}

.section-head {
  margin-bottom: 36px;
}

.section-head.center {
  text-align: center;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.eyebrow {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 8px;
}

.section-head h2 {
  font-size: clamp(1.45rem, 3.5vw, 2rem);
  margin-bottom: 10px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 0.96rem;
}

.bg-sand {
  background: var(--sand);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

@media (min-width: 768px) {
  section {
    padding: 72px 0;
  }

  .section-head {
    margin-bottom: 44px;
  }
}

/* ---------- Services: rows ---------- */
.service-rows {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}

.service-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 22px 20px;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.service-row:last-child {
  border-bottom: none;
}

.service-row:hover {
  background: var(--sand);
}

.service-row .num {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-muted);
  padding-top: 2px;
}

.service-row h3 {
  font-size: 1.02rem;
  margin-bottom: 4px;
}

.service-row p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (min-width: 640px) {
  .service-rows {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .service-row {
    border-bottom: 1px solid var(--border);
    border-right: 1px solid var(--border);
  }

  .service-row:nth-child(2n) {
    border-right: none;
  }

  .service-row:nth-last-child(-n + 2) {
    border-bottom: none;
  }
}

/* ---------- Why grid ---------- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.why-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 22px;
}

.why-item h4 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.why-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (min-width: 640px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .why-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- Process ---------- */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.step-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step h4 {
  font-size: 0.98rem;
  margin-bottom: 4px;
}

.step p {
  color: var(--text-muted);
  font-size: 0.88rem;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .step {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
}

.cta-banner h3 {
  color: #fff;
  font-size: clamp(1.25rem, 3vw, 1.55rem);
  margin-bottom: 4px;
}

.cta-banner p {
  color: #a8bcc9;
  font-size: 0.94rem;
}

@media (min-width: 640px) {
  .cta-banner {
    flex-direction: row;
    text-align: left;
    justify-content: space-between;
    padding: 36px 40px;
  }
}

/* ---------- Area ---------- */
.area-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.area-wrap h2 {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  margin-bottom: 10px;
}

.area-wrap > div > p {
  color: var(--text-muted);
  margin-bottom: 20px;
}

.area-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.area-chip {
  font-size: 0.84rem;
  font-weight: 600;
  padding: 8px 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
}

.map-box {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.map-box iframe {
  width: 100%;
  height: 280px;
  border: 0;
  display: block;
}

.map-footer {
  background: var(--white);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.9rem;
}

.map-footer strong {
  display: block;
  color: var(--navy);
  margin-bottom: 2px;
}

@media (min-width: 640px) {
  .map-footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 900px) {
  .area-wrap {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
  }
}

/* ---------- FAQ ---------- */
.faq {
  max-width: 680px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--navy);
  font-size: 0.98rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--red);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  color: var(--text-muted);
  margin-top: 10px;
  font-size: 0.92rem;
}

/* ---------- Footer ---------- */
footer {
  background: var(--navy);
  color: #a8bcc9;
  padding: 44px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 20px;
}

.footer-grid h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.footer-grid .brand {
  color: #fff;
  margin-bottom: 10px;
}

.footer-grid .brand-mark {
  background: rgba(255, 255, 255, 0.12);
}

.footer-grid p.desc {
  font-size: 0.88rem;
  line-height: 1.65;
  max-width: 300px;
}

.footer-links li {
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: #fff;
}

.footer-phone {
  display: block;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-top: 4px;
}

.footer-phone:hover {
  color: #c8d8e2;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.78rem;
  color: #6a8496;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ---------- Mobile call bar ---------- */
.mobile-call-bar {
  display: flex;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background: var(--red);
  padding: 14px 20px;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.15);
}

body {
  padding-bottom: 54px;
}

@media (min-width: 640px) {
  .mobile-call-bar {
    display: none;
  }

  .topbar .top-phone {
    display: inline;
  }

  body {
    padding-bottom: 0;
  }
}