/* ==========================================================================
   Berisha Trockenbau – Website Stylesheet
   Brand colors sampled from company logo:
   Dunkel (Navy):  #485060
   Akzent (Blau):  #2090D8
   ========================================================================== */

@font-face {
  font-family: 'Freeroad';
  src: url('../fonts/Freeroad.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-dark: #485060;
  --color-dark-2: #333a47;
  --color-blue: #2090D8;
  --color-blue-dark: #1876b2;
  --color-light: #f4f6f8;
  --color-white: #ffffff;
  --color-text: #2b2f36;
  --color-text-muted: #6b7280;
  --color-border: #e3e7ec;

  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-brand: 'Freeroad', var(--font-base);

  --container-width: 1180px;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(72, 80, 96, 0.08);
  --shadow-hover: 0 16px 40px rgba(72, 80, 96, 0.14);
  --transition: all 0.25s ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-brand);
  color: var(--color-dark);
  line-height: 1.25;
  margin: 0 0 0.6em;
  font-weight: 700;
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(2rem, 4vw, 2.9rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; color: var(--color-text); }

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

.section {
  padding: 88px 0;
}

.section--alt {
  background: var(--color-light);
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-blue);
  margin-bottom: 12px;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head p {
  color: var(--color-text-muted);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--color-blue);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-blue-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.6);
  color: var(--color-white);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
}

.btn-dark {
  background: var(--color-dark);
  color: var(--color-white);
}
.btn-dark:hover {
  background: var(--color-dark-2);
  transform: translateY(-2px);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img {
  height: 52px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a {
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--color-dark);
  transition: var(--transition);
}

.main-nav a:hover,
.main-nav a.is-active {
  background: var(--color-light);
  color: var(--color-blue);
}

.main-nav .btn {
  margin-left: 8px;
}
.main-nav .btn-primary {
  padding: 10px 22px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  display: block;
  transition: var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-dark) 0%, #313846 100%);
  color: var(--color-white);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 82% 20%, rgba(32,144,216,0.35), transparent 45%),
    radial-gradient(circle at 15% 85%, rgba(32,144,216,0.18), transparent 50%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  padding: 120px 24px 100px;
  max-width: 780px;
}

.hero .eyebrow { color: #8fd0f5; }

.hero h1 { color: var(--color-white); }

.hero p.lead {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 64px;
  flex-wrap: wrap;
}
.hero-stats .stat strong {
  display: block;
  font-family: var(--font-brand);
  font-size: 1.9rem;
  color: var(--color-white);
}
.hero-stats .stat span {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
}

/* ---------- Page header (subpages) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--color-dark) 0%, #313846 100%);
  color: var(--color-white);
  padding: 74px 0 64px;
}
.page-hero h1 { color: var(--color-white); margin-bottom: 10px; }
.page-hero p { color: rgba(255,255,255,0.8); max-width: 620px; margin: 0; }
.breadcrumb {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 14px;
}
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: var(--color-white); }

/* ---------- Cards / Grid ---------- */
.grid {
  display: grid;
  gap: 28px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: transparent;
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(32,144,216,0.1);
  color: var(--color-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.card-icon svg { width: 26px; height: 26px; }

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

/* ---------- USP / Feature list ---------- */
.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 8px;
}
.feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.feature-check {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-blue);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
}
.feature h4 {
  margin: 0 0 4px;
  color: var(--color-dark);
  font-size: 1rem;
}
.feature p { margin: 0; color: var(--color-text-muted); font-size: 0.94rem; }

/* ---------- Split section (image + text) ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split img,
.split .media {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.split-media {
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-placeholder {
  aspect-ratio: 4/3;
  background: var(--color-light);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-align: center;
  padding: 20px;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--color-blue);
  color: var(--color-white);
  border-radius: var(--radius);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-banner h2 { color: var(--color-white); margin: 0 0 6px; }
.cta-banner p { color: rgba(255,255,255,0.85); margin: 0; }

/* ---------- Before / After Slider ---------- */
.ba-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  user-select: none;
  touch-action: pan-y;
}
.ba-slider .ba-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ba-slider .ba-img.ba-after { z-index: 1; }
.ba-slider .ba-img.ba-before {
  z-index: 2;
  clip-path: inset(0 50% 0 0);
}
.ba-slider .ba-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  margin-left: -2px;
  background: var(--color-white);
  z-index: 3;
  pointer-events: none;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.08);
}
.ba-slider .ba-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 46px;
  height: 46px;
  margin-left: -23px;
  margin-top: -23px;
  border-radius: 50%;
  background: var(--color-white);
  color: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 4;
  cursor: ew-resize;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
}
.ba-slider .ba-handle svg { width: 20px; height: 20px; }
.ba-slider input[type="range"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  z-index: 5;
}
.ba-label {
  position: absolute;
  top: 16px;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(72,80,96,0.75);
  color: var(--color-white);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  z-index: 4;
  pointer-events: none;
}
.ba-label-before { left: 16px; }
.ba-label-after { right: 16px; }

.ba-note {
  margin-top: 16px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  background: var(--color-light);
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  padding: 12px 16px;
}

/* ---------- Referenzen grid ---------- */
.project-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--color-white);
}
.project-card .img-wrap {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-light);
}
.project-card .img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.project-card:hover .img-wrap img { transform: scale(1.05); }
.project-card .info { padding: 20px 22px; }
.project-card .info span {
  font-size: 0.8rem;
  color: var(--color-blue);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.project-card .info h3 { margin: 6px 0 4px; }
.project-card .info p { margin: 0; color: var(--color-text-muted); font-size: 0.92rem; }

/* ---------- Testimonial / quote ---------- */
.quote-block {
  background: var(--color-dark);
  color: var(--color-white);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
}
.quote-block p {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-white);
  max-width: 700px;
  margin: 0 auto 16px;
}
.quote-block span { color: rgba(255,255,255,0.65); font-size: 0.9rem; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  background: var(--color-dark);
  color: var(--color-white);
  border-radius: var(--radius);
  padding: 40px;
}
.contact-info-card h3 { color: var(--color-white); }
.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 22px;
}
.contact-item .icon {
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(32,144,216,0.25);
  color: #8fd0f5;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-item .icon svg { width: 18px; height: 18px; }
.contact-item strong { display: block; color: var(--color-white); }
.contact-item span, .contact-item a { color: rgba(255,255,255,0.8); font-size: 0.94rem; }
.contact-item a:hover { color: var(--color-white); }

.form-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-dark);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: var(--font-base);
  font-size: 0.96rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(32,144,216,0.15);
}
.form-group textarea { min-height: 140px; resize: vertical; }

.form-note {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 14px;
}

.form-success {
  display: none;
  background: rgba(32,144,216,0.1);
  border: 1px solid rgba(32,144,216,0.3);
  color: var(--color-blue-dark);
  padding: 14px 16px;
  border-radius: 8px;
  margin-bottom: 18px;
  font-size: 0.92rem;
}
.form-success.is-visible { display: block; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-dark-2);
  color: rgba(255,255,255,0.75);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand img { height: 46px; margin-bottom: 16px; }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.92rem; max-width: 320px; }
.site-footer h4 {
  color: var(--color-white);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}
.footer-links a,
.footer-contact li {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: 0.94rem;
  margin-bottom: 12px;
}
.footer-links a:hover { color: var(--color-white); }
.footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--color-white); }
.footer-legal { display: flex; gap: 20px; }

/* ---------- Legal pages ---------- */
.legal-content h2 { margin-top: 1.6em; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content ul { color: var(--color-text); }
.legal-content { max-width: 820px; margin: 0 auto; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .main-nav {
    position: fixed;
    top: 84px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }
  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav a { padding: 14px 10px; border-bottom: 1px solid var(--color-border); border-radius: 0; }
  .main-nav .btn { margin: 12px 0 0; text-align: center; justify-content: center; }
  .nav-toggle { display: flex; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-banner { flex-direction: column; text-align: center; }
  .hero .container { padding: 90px 24px 70px; }
  .section { padding: 64px 0; }
  .form-row { grid-template-columns: 1fr; }
}