/* ==========================================================================
   Dachdeckerei & Spenglerei Thomas Hertel – Stylesheet
   Modernisierte Version. Klassisches CSS, keine externen Frameworks.
   ========================================================================== */

:root {
  --color-anthrazit: #1f2933;
  --color-anthrazit-light: #323f4b;
  --color-ziegel: #c0392b;
  --color-ziegel-dark: #a5291b;
  --color-text: #2d3138;
  --color-text-light: #5a6472;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f6f8;
  --color-border: #e2e7ec;
  --color-white: #ffffff;

  --font-base: "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  --container: 1140px;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(31, 41, 51, 0.08);
  --shadow-lg: 0 12px 40px rgba(31, 41, 51, 0.14);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  color: var(--color-anthrazit);
  line-height: 1.2;
  margin: 0 0 0.5em;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1rem; }

a {
  color: var(--color-ziegel);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-ziegel-dark); }

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 72px 0;
}
.section--alt {
  background: var(--color-bg-alt);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-head p {
  color: var(--color-text-light);
  font-size: 1.1rem;
}

.eyebrow {
  display: inline-block;
  color: var(--color-ziegel);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 12px;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
}
.btn--primary {
  background: var(--color-ziegel);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-ziegel-dark);
  color: #fff;
  transform: translateY(-2px);
}
.btn--outline {
  background: transparent;
  border-color: #fff;
  color: #fff;
}
.btn--outline:hover {
  background: #fff;
  color: var(--color-anthrazit);
}
.btn--dark {
  background: var(--color-anthrazit);
  color: #fff;
}
.btn--dark:hover {
  background: var(--color-anthrazit-light);
  color: #fff;
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Header / Navigation
   -------------------------------------------------------------------------- */
.topbar {
  background: var(--color-anthrazit);
  color: #cbd2d9;
  font-size: 0.9rem;
}
.topbar .container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: flex-end;
  padding-top: 8px;
  padding-bottom: 8px;
}
.topbar a { color: #cbd2d9; }
.topbar a:hover { color: #fff; }
.topbar span { display: inline-flex; align-items: center; gap: 6px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--color-anthrazit);
  font-size: 1.15rem;
  line-height: 1.1;
}
.brand:hover { color: var(--color-anthrazit); }
.brand img { height: 46px; width: auto; }
.brand small {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-ziegel);
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav a {
  color: var(--color-anthrazit);
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 8px;
  transition: all var(--transition);
}
.nav a:hover { background: var(--color-bg-alt); color: var(--color-ziegel); }
.nav a.is-active { color: var(--color-ziegel); }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  margin: 5px 0;
  background: var(--color-anthrazit);
  border-radius: 3px;
  transition: var(--transition);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  color: #fff;
  background: linear-gradient(rgba(31,41,51,0.20), rgba(31,41,51,0.40)),
              url("../images/hero.jpg") center/cover no-repeat;
}
.hero__inner {
  max-width: 720px;
  padding: 120px 0 110px;
}
.hero h1 { color: #fff; }
.hero p {
  font-size: 1.25rem;
  color: #e4e8ec;
  margin-bottom: 32px;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.page-hero {
  background: linear-gradient(rgba(31,41,51,0.82), rgba(31,41,51,0.86)),
              url("../images/hero.jpg") center/cover no-repeat;
  color: #fff;
  padding: 80px 0;
  text-align: center;
}
.page-hero h1 { color: #fff; }
.page-hero p { color: #e4e8ec; font-size: 1.15rem; margin: 0; }

/* --------------------------------------------------------------------------
   Feature / Trust Badges
   -------------------------------------------------------------------------- */
.badges {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: -50px;
  position: relative;
  z-index: 5;
}
.badge {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 24px;
  text-align: center;
}
.badge .icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  color: var(--color-ziegel);
}
.badge h3 { font-size: 1.05rem; margin-bottom: 4px; }
.badge p { font-size: 0.92rem; color: var(--color-text-light); margin: 0; }

/* --------------------------------------------------------------------------
   Services grid
   -------------------------------------------------------------------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.card__media {
  aspect-ratio: 16 / 10;
  background: var(--color-bg-alt);
  overflow: hidden;
}
.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.card:hover .card__media img { transform: scale(1.05); }
.card__body {
  padding: 24px;
  flex: 1;
}
.card__body h3 { margin-bottom: 8px; }
.card__body p { color: var(--color-text-light); margin: 0; font-size: 0.97rem; }

/* --------------------------------------------------------------------------
   Split / About
   -------------------------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split__media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
}
.checklist {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}
.checklist li {
  position: relative;
  padding-left: 34px;
  margin-bottom: 14px;
  color: var(--color-text);
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-ziegel);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* --------------------------------------------------------------------------
   Detaillierte Leistungen (Liste)
   -------------------------------------------------------------------------- */
.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.service-item {
  display: flex;
  gap: 20px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px;
  transition: box-shadow var(--transition);
}
.service-item:hover { box-shadow: var(--shadow); }
.service-item .num {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-ziegel);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.service-item h3 { margin-bottom: 6px; }
.service-item p { margin: 0; color: var(--color-text-light); font-size: 0.97rem; }

/* --------------------------------------------------------------------------
   Referenzen / Gallery
   -------------------------------------------------------------------------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.gallery__item {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #fff;
}
.gallery__item figure { margin: 0; }
.gallery__item .img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery__item:hover img { transform: scale(1.06); }
.gallery__item figcaption {
  padding: 16px 20px;
}
.gallery__item figcaption strong {
  display: block;
  color: var(--color-anthrazit);
}
.gallery__item figcaption span {
  color: var(--color-text-light);
  font-size: 0.92rem;
}

/* --------------------------------------------------------------------------
   CTA Band
   -------------------------------------------------------------------------- */
.cta {
  background: var(--color-ziegel);
  color: #fff;
  text-align: center;
  padding: 64px 0;
}
.cta h2 { color: #fff; }
.cta p { color: #ffe6e2; font-size: 1.15rem; max-width: 600px; margin: 0 auto 28px; }

/* --------------------------------------------------------------------------
   Kontakt
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.contact-list li {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-list li:last-child { border-bottom: 0; }
.contact-list .icon {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  color: var(--color-ziegel);
}
.contact-list strong { display: block; color: var(--color-anthrazit); }
.contact-list a { color: var(--color-text); }
.contact-list a:hover { color: var(--color-ziegel); }

.map-embed {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  min-height: 320px;
}
.map-embed iframe { width: 100%; height: 100%; min-height: 320px; border: 0; }

/* --------------------------------------------------------------------------
   Inhalt / Rechtstexte
   -------------------------------------------------------------------------- */
.prose { max-width: 800px; }
.prose h2 { margin-top: 2em; }
.prose h3 { margin-top: 1.5em; }
.prose ul { padding-left: 1.2em; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-anthrazit);
  color: #aeb6bf;
  padding: 56px 0 0;
  font-size: 0.95rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.site-footer h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 16px;
}
.site-footer a { color: #aeb6bf; }
.site-footer a:hover { color: #fff; }
.footer-nav { list-style: none; padding: 0; margin: 0; }
.footer-nav li { margin-bottom: 10px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand img { height: 42px; }
.footer-brand strong { color: #fff; font-size: 1.05rem; }
.footer-bottom {
  border-top: 1px solid var(--color-anthrazit-light);
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
  font-size: 0.88rem;
}
.footer-bottom .links { display: flex; gap: 20px; flex-wrap: wrap; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .badges { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .service-list { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    inset: 76px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    padding: 12px;
    transform: translateY(-150%);
    transition: transform 0.3s ease;
  }
  .nav.is-open { transform: translateY(0); }
  .nav a { padding: 14px 16px; }
  .topbar .container { justify-content: center; }
  .badges { grid-template-columns: 1fr; margin-top: -30px; }
  .cards { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .hero__inner { padding: 80px 0 70px; }
}