/* ============================================
   Pflasterbau Guido Schmidt — Stylesheet
   Farbpalette: Erdtöne (Braun/Beige/Creme)
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #5C4033;
  --color-primary-light: #7A5C4F;
  --color-primary-dark: #3E2A22;
  --color-secondary: #8B7355;
  --color-accent: #A0845C;
  --color-beige: #D2B48C;
  --color-cream: #F5F0E8;
  --color-white: #FAF8F5;
  --color-text: #2C2C2C;
  --color-text-light: #5A5A5A;
  --color-text-on-dark: #F5F0E8;
  --color-border: #D6CBBC;
  --color-overlay: rgba(62, 42, 34, 0.7);

  --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;

  --max-width: 1200px;
  --header-height: 80px;
  --transition: 0.3s ease;
  --radius: 6px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

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

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary-dark);
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.4rem; }

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

section {
  padding: 80px 0;
}

/* --- Header & Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.logo-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.2;
  letter-spacing: 0.5px;
}

.logo-tagline {
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

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

.nav-links a.active {
  color: var(--color-primary);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-primary-dark);
  transition: var(--transition);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  height: 85vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-top: var(--header-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--color-text-on-dark);
  max-width: 1100px;
  padding: 0 24px;
}

.hero-content h1 {
  color: #fff;
  font-size: clamp(2.2rem, 4.6vw, 4.2rem);
  margin-bottom: 16px;
  white-space: nowrap;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: 1.2rem;
  margin-bottom: 8px;
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.9;
}

.hero-claim {
  font-size: 1.15rem;
  margin-bottom: 36px;
  opacity: 0.85;
  line-height: 1.6;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

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

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

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: #fff;
}

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

.btn-outline-dark {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

/* --- Section Header --- */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin: 16px auto 0;
  border-radius: 2px;
}

/* --- About Section --- */
.about {
  background: var(--color-cream);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  margin-bottom: 20px;
}

.about-text p {
  margin-bottom: 16px;
  color: var(--color-text-light);
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 32px;
}

.stat {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

.about-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

/* --- Services Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card-img {
  height: 240px;
  overflow: hidden;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card-img img {
  transform: scale(1.05);
}

.service-card-body {
  padding: 28px 24px;
}

.service-card-body h3 {
  margin-bottom: 12px;
}

.service-card-body p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.service-link {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-link:hover {
  color: var(--color-primary);
}

.service-link::after {
  content: '→';
  transition: transform var(--transition);
}

.service-link:hover::after {
  transform: translateX(4px);
}

/* --- Preview Gallery (Homepage) --- */
.preview-gallery {
  background: var(--color-cream);
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.preview-grid img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
  transition: transform var(--transition), opacity var(--transition);
  cursor: pointer;
}

.preview-grid img:hover {
  transform: scale(1.03);
  opacity: 0.9;
}

.text-center {
  text-align: center;
}

/* --- CTA Banner --- */
.cta-banner {
  background: var(--color-primary-dark);
  color: var(--color-text-on-dark);
  text-align: center;
  padding: 60px 0;
}

.cta-banner h2 {
  color: #fff;
  margin-bottom: 16px;
}

.cta-banner p {
  color: rgba(255,255,255,0.8);
  margin-bottom: 28px;
  font-size: 1.1rem;
}

/* --- Leistungen Detail Page --- */
.page-hero {
  position: relative;
  height: 45vh;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-top: var(--header-height);
  overflow: hidden;
}

.page-hero .hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero .hero-content h1 {
  font-size: 2.6rem;
}

.service-detail {
  padding: 80px 0;
}

.service-detail:nth-child(even) {
  background: var(--color-cream);
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.service-detail:nth-child(even) .service-detail-grid {
  direction: rtl;
}

.service-detail:nth-child(even) .service-detail-grid > * {
  direction: ltr;
}

.service-detail-text h2 {
  margin-bottom: 20px;
}

.service-detail-text p {
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.service-detail-text ul {
  list-style: none;
  padding: 0;
  margin-bottom: 24px;
}

.service-detail-text ul li {
  padding: 6px 0;
  padding-left: 24px;
  position: relative;
  color: var(--color-text-light);
}

.service-detail-text ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.service-detail-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.service-detail-images img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.service-detail-images img:first-child {
  grid-column: 1 / -1;
  height: 280px;
}

/* --- Gallery Page --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.gallery-item {
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(62, 42, 34, 0);
  transition: background var(--transition);
}

.gallery-item:hover::after {
  background: rgba(62, 42, 34, 0.2);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition);
}

.lightbox-close:hover {
  opacity: 0.7;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--transition);
}

.lightbox-nav:hover {
  background: rgba(255,255,255,0.3);
}

.lightbox-prev {
  left: 24px;
}

.lightbox-next {
  right: 24px;
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.contact-info-card {
  background: var(--color-cream);
  padding: 40px;
  border-radius: var(--radius);
}

.contact-info-card h3 {
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item-text strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  margin-bottom: 4px;
  color: var(--color-primary-dark);
}

.contact-item-text span,
.contact-item-text a {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.contact-form {
  background: #fff;
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-form h3 {
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(160, 132, 92, 0.15);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #aaa;
}

.form-note {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 12px;
}

.form-success {
  display: none;
  background: #e8f5e9;
  color: #2e7d32;
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-top: 16px;
  font-weight: 600;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-primary-dark);
  color: var(--color-text-on-dark);
  padding: 50px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-col p {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer-col a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  display: block;
  padding: 4px 0;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--color-beige);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 24px;
  text-align: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
}

.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1500;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.12);
}

.cookie-banner__content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.cookie-banner__text {
  max-width: 62%;
}

.cookie-banner__text strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1rem;
}

.cookie-banner__text p {
  margin: 0;
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.cookie-banner__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cookie-banner__link {
  color: var(--color-primary);
  font-size: 0.95rem;
}

.cookie-banner.hidden {
  display: none !important;
}

@media (max-width: 768px) {
  .cookie-banner__content {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-banner__text {
    max-width: 100%;
  }

  .cookie-banner__actions {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 992px) {
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .service-detail-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .service-detail:nth-child(even) .service-detail-grid {
    direction: ltr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 68px;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  section { padding: 60px 0; }

  /* Mobile Nav */
  .nav-links {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    max-height: calc(100vh - var(--header-height) - 100px);
    overflow-y: auto;
    background: var(--color-white);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    z-index: 999;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    padding: 18px 24px;
    border-bottom: 1px solid var(--color-border);
    width: 100%;
    font-size: 0.95rem;
    display: block;
    min-height: 56px;
    display: flex;
    align-items: center;
  }

  .nav-links a::after {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero {
    height: 70vh;
    min-height: 400px;
  }

  .hero-content h1 {
    font-size: 2.2rem;
    white-space: normal;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .about-image {
    order: -1;
  }

  .about-stats {
    justify-content: center;
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* Preview */
  .preview-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  /* Page hero */
  .page-hero {
    height: 35vh;
    min-height: 220px;
  }

  .page-hero .hero-content h1 {
    font-size: 2rem;
  }

  /* Lightbox nav */
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
  .lightbox-nav { width: 40px; height: 40px; font-size: 1.5rem; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.7rem; }
  .hero-content h1 { font-size: 1.8rem; }
  .btn { padding: 12px 24px; font-size: 0.85rem; }
  .preview-grid { grid-template-columns: 1fr; }

  .contact-form,
  .contact-info-card {
    padding: 24px;
  }
  
  .service-detail-images {
    grid-template-columns: 1fr;
  }
  
  .service-detail-images img:first-child {
    height: 220px;
  }
  
  /* Mobile Menu on very small screens */
  .nav-links a {
    padding: 16px 20px;
    font-size: 0.9rem;
    min-height: 52px;
  }
  
  .logo-name {
    font-size: 1rem;
  }
  
  .logo-tagline {
    font-size: 0.6rem;
  }
}