/* GHG Gebäudereinigung – helles, ruhiges Design. Systemschriften, keine externen Fonts. */

:root {
  --bg: #ffffff;
  --bg-soft: #f3f7f6;
  --ink: #15222c;
  --muted: #4c5a64;
  --line: #dbe4e2;
  --accent: #0c6a65;
  --accent-dark: #084d49;
  --accent-soft: #e2f0ee;
  --error: #a2281c;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(21, 34, 44, 0.06), 0 8px 24px rgba(21, 34, 44, 0.06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
}

img,
svg {
  display: block;
}

a {
  color: var(--accent);
}

a:hover {
  color: var(--accent-dark);
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}

h1 {
  font-size: clamp(2rem, 4.6vw, 3.1rem);
  font-weight: 750;
}

h2 {
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  font-weight: 700;
}

h3 {
  font-size: 1.12rem;
  font-weight: 650;
}

p {
  margin: 0 0 1em;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 16px;
  top: 12px;
  z-index: 100;
  background: var(--bg);
  padding: 8px 12px;
  border-radius: 8px;
}

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

/* Kopfzeile */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.15;
}

.brand small {
  display: block;
  font-weight: 500;
  font-size: 0.78rem;
  color: var(--muted);
}

.brand-mark {
  width: 38px;
  height: 38px;
  flex: none;
}

.site-nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--ink);
}

.header-phone {
  margin-left: 4px;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 10px;
  border: 2px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 650;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}

.btn:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--accent);
}

.btn-outline:hover {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.btn-small {
  min-height: 40px;
  padding: 7px 14px;
  font-size: 0.95rem;
}

.btn[disabled] {
  opacity: 0.6;
  cursor: wait;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex: none;
}

/* Abschnitte */

.section {
  padding: 80px 0;
}

.section-soft {
  background: var(--bg-soft);
}

.section-head {
  max-width: 680px;
  margin-bottom: 40px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
}

/* Hero */

.hero {
  padding: 72px 0 80px;
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 18px;
}

.hero-note {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0;
}

.fact-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}

.fact-card h2 {
  font-size: 1.1rem;
  margin-bottom: 18px;
}

.fact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.fact-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
}

.fact-list strong {
  display: block;
}

.fact-list span {
  color: var(--muted);
  font-size: 0.95rem;
}

.num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 0.95rem;
}

/* Referenzen */

.refs {
  padding: 44px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.refs .container {
  display: grid;
  grid-template-columns: auto 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.refs-label {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ref strong {
  display: block;
  font-size: 1.15rem;
}

.ref span {
  color: var(--muted);
  font-size: 0.95rem;
}

/* Karten-Raster */

.grid {
  display: grid;
  gap: 20px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 24px;
}

.card p {
  color: var(--muted);
  margin: 0;
}

.license {
  margin-top: 28px;
  padding: 16px 20px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.97rem;
}

/* Versprechen */

.promises {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 32px;
}

.promises li {
  position: relative;
  padding-left: 40px;
}

.promises li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E")
    center / 15px no-repeat;
}

.promises strong {
  display: block;
}

.promises span {
  color: var(--muted);
}

/* Ablauf */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}

.steps li {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.steps p {
  color: var(--muted);
  margin: 0;
}

/* Über uns */

.about {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: start;
}

.area {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.chips li {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 13px;
  font-size: 0.93rem;
}

/* Kontakt */

.contact {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}

.form {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 0.95rem;
}

.field label .opt {
  font-weight: 400;
  color: var(--muted);
}

.field input,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid #b9c6c3;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
}

.field textarea {
  min-height: 130px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-hint {
  font-size: 0.9rem;
  color: var(--muted);
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-radius: 8px;
  font-weight: 500;
}

.form-status:empty {
  display: none;
}

.form-status.ok {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.form-status.err {
  background: #fbeceb;
  color: var(--error);
}

.direct {
  display: grid;
  gap: 20px;
}

.direct-item {
  border-left: 3px solid var(--accent);
  padding-left: 16px;
}

.direct-item .label {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
}

.direct-item a,
.direct-item strong {
  font-size: 1.12rem;
  font-weight: 650;
  word-break: break-word;
}

/* Fußzeile */

.site-footer {
  background: var(--ink);
  color: #c9d3d8;
  padding: 36px 0;
  font-size: 0.93rem;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: #fff;
}

.footer-links {
  display: flex;
  gap: 20px;
}

/* Rechtstexte */

.legal {
  max-width: 760px;
  padding: 56px 20px 80px;
}

.legal h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.legal h2 {
  font-size: 1.25rem;
  margin-top: 2em;
}

.legal dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 24px;
  margin: 0 0 1em;
}

.legal dt {
  font-weight: 600;
}

.legal dd {
  margin: 0;
}

.legal ul {
  padding-left: 1.2em;
}

.legal .back {
  display: inline-block;
  margin-bottom: 24px;
}

.message-page {
  max-width: 640px;
  padding: 96px 20px;
  text-align: center;
}

/* Responsive */

@media (max-width: 960px) {
  .hero .container,
  .about,
  .contact {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .refs .container {
    grid-template-columns: 1fr 1fr;
  }

  .refs-label {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .site-nav {
    display: none;
  }

  .header-phone {
    margin-left: auto;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .container {
    padding: 0 16px;
  }

  .section {
    padding: 56px 0;
  }

  .hero {
    padding: 44px 0 56px;
  }

  .grid-3,
  .steps,
  .promises,
  .form-row,
  .refs .container {
    grid-template-columns: 1fr;
  }

  .refs .container {
    gap: 18px;
  }

  .form,
  .fact-card {
    padding: 20px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .brand small {
    display: none;
  }

  .header-phone .phone-text {
    display: none;
  }

  .legal dl {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .legal dd {
    margin-bottom: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Telefon-Button in der Kopfzeile: am Handy nur „Anrufen“ */
.phone-short {
  display: none;
}

@media (max-width: 640px) {
  .header-phone .phone-short {
    display: inline;
  }
}

.form .btn + .form-hint {
  margin-top: 14px;
}

/* Unterseiten ohne Navigation: Telefon-Button nach rechts */
.brand + .header-phone {
  margin-left: auto;
}