/**
 * Pesmen Haustechnik - Component Styles
 * Reusable UI Components
 */

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background-color: var(--white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0);
  transition: transform 0.3s ease-in-out, box-shadow var(--transition-base);
}

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

.header.hide-mobile {
  transform: translateY(-100%);
}

@media (min-width: 1024px) {
  .header.hide-mobile {
    transform: translateY(0);
  }
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
}

.logo {
  display: flex;
  align-items: center;
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  font-family: var(--font-heading);
  color: var(--primary-900);
  text-decoration: none;
  margin-left: 20px;
}

.logo:hover {
  color: var(--primary-700);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-link {
  position: relative;
  padding: var(--space-2) 0;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--gray-700);
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-700);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-700);
  transition: width var(--transition-base);
}

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

.nav-actions {
  display: none;
  align-items: center;
  gap: var(--space-4);
}

@media (min-width: 1024px) {
  .nav-actions {
    display: flex;
  }
}

/* Mobile Menu */
.mobile-menu-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-right: 20px;
}

@media (min-width: 1024px) {
  .mobile-menu-button {
    display: none;
  }
}

.hamburger {
  position: relative;
  width: 24px;
  height: 18px;
}

.hamburger span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--gray-900);
  transition: all var(--transition-base);
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 8px; }
.hamburger span:nth-child(3) { top: 16px; }

.hamburger.active span:nth-child(1) {
  top: 8px;
  transform: rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  top: 8px;
  transform: rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background-color: var(--white);
  box-shadow: var(--shadow-2xl);
  padding: var(--space-6);
  overflow-y: auto;
  transition: right var(--transition-slow);
  z-index: var(--z-modal);
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: var(--z-modal-backdrop);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-8);
}

.mobile-nav-link {
  padding: var(--space-4);
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--gray-900);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background-color: var(--primary-100);
  color: var(--primary-700);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-700) 100%);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--white);
  padding: var(--space-8) 0;
  margin-top: 150px;
}

.hero-headline {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-6);
  color: var(--white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

@media (min-width: 768px) {
  .hero-headline {
    font-size: var(--text-5xl);
  }
}

.hero-subheadline {
  font-size: var(--text-lg);
  font-weight: var(--font-normal);
  margin-bottom: var(--space-8);
  color: var(--primary-100);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .hero-subheadline {
    font-size: var(--text-xl);
  }
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-12);
}

@media (min-width: 640px) {
  .hero-cta {
    flex-direction: row;
  }
}

/* Mobile-only: Hero-Section mittig mit Abstand zum Live Chat Button */
@media (max-width: 768px) {
  .hero-content {
    margin-top: 100px;
    margin-bottom: var(--space-12);
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
}

.trust-badges {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  justify-items: center;
  padding: 20px;
}

@media (min-width: 766px) {
  .trust-badges {
    margin-top: 200px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
  }
}

.trust-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.trust-badge-icon {
  font-size: var(--text-2xl);
}

.trust-badge-text {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--white);
  text-align: center;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* ============================================
   SERVICE GRID
   ============================================ */

.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

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

@media (min-width: 1024px) {
  .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background-color: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.service-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  border-radius: var(--radius-xl);
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
  transition: transform var(--transition-base);
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
}

.service-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--gray-900);
  margin-bottom: var(--space-3);
}

.service-description {
  font-size: var(--text-base);
  color: var(--gray-700);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--primary-700);
  font-weight: var(--font-semibold);
  transition: gap var(--transition-fast);
}

.service-card:hover .service-link {
  gap: var(--space-3);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background-color: var(--gray-900);
  color: var(--gray-300);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

@media (max-width: 767px) {
  .footer {
    padding-top: var(--space-8);
    padding-bottom: var(--space-6);
  }
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

@media (max-width: 767px) {
  .footer-top {
    gap: var(--space-6);
    margin-bottom: var(--space-6);
  }
}

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

@media (min-width: 1024px) {
  .footer-top {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

.footer-column h3 {
  color: var(--white);
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}

@media (max-width: 767px) {
  .footer-column h3 {
    font-size: var(--text-base);
    margin-bottom: var(--space-3);
  }
}

.footer-text {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

@media (max-width: 767px) {
  .footer-text {
    font-size: 0.813rem;
    line-height: var(--leading-normal);
    margin-bottom: var(--space-3);
  }
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (max-width: 767px) {
  .footer-links {
    gap: var(--space-2);
  }
}

.footer-link {
  color: var(--gray-300);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

@media (max-width: 767px) {
  .footer-link {
    font-size: 0.813rem;
  }
}

.footer-link:hover {
  color: var(--primary-300);
}

.social-links {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

@media (max-width: 767px) {
  .social-links {
    gap: var(--space-3);
    margin-top: var(--space-3);
  }
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--gray-700);
  border-radius: var(--radius-md);
  color: var(--white);
  transition: all var(--transition-base);
}

@media (max-width: 767px) {
  .social-link {
    width: 36px;
    height: 36px;
    font-size: 0.813rem;
  }
}

.social-link:hover {
  background-color: var(--primary-700);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--gray-700);
}

@media (max-width: 767px) {
  .footer-bottom {
    gap: var(--space-3);
    padding-top: var(--space-6);
  }
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  justify-content: center;
}

@media (max-width: 767px) {
  .footer-legal {
    gap: var(--space-4);
    font-size: 0.813rem;
  }
}

/* ============================================
   BREADCRUMBS
   ============================================ */

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
}

.breadcrumb-item {
  color: var(--gray-500);
}

.breadcrumb-separator {
  color: var(--gray-400);
}

.breadcrumb-item:last-child {
  color: var(--primary-700);
  font-weight: var(--font-semibold);
}

/* ============================================
   COOKIE BANNER
   ============================================ */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--white);
  box-shadow: var(--shadow-2xl);
  padding: var(--space-6);
  z-index: var(--z-modal);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.cookie-banner.active {
  transform: translateY(0);
}

.cookie-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  max-width: var(--container-xl);
  margin: 0 auto;
}

@media (min-width: 768px) {
  .cookie-content {
    flex-direction: row;
    justify-content: space-between;
  }
}

.cookie-text {
  font-size: var(--text-sm);
  color: var(--gray-700);
  margin: 0;
}

.cookie-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ============================================
   CHAT BUTTON
   ============================================ */

.whatsapp-button {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 60px;
  height: 60px;
  background-color: #06B6D4;
  border: none;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
  cursor: pointer;
  z-index: var(--z-fixed);
  transition: all var(--transition-base);
  animation: pulse-chat 2s infinite;
}

.whatsapp-button:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 20px rgba(6, 182, 212, 0.4);
  background-color: #0891B2;
}

.whatsapp-button:active {
  transform: scale(1.05);
}

@keyframes pulse-chat {
  0% {
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3), 0 0 0 0 rgba(6, 182, 212, 0.7);
  }
  70% {
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3), 0 0 0 15px rgba(6, 182, 212, 0);
  }
  100% {
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3), 0 0 0 0 rgba(6, 182, 212, 0);
  }
}

/* ============================================
   LOADING SPINNER
   ============================================ */

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--primary-700);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   CHAT WIDGET
   ============================================ */

.chat-widget {
  position: fixed;
  bottom: 100px;
  right: 24px;
  width: 380px;
  max-width: calc(100vw - 48px);
  height: 600px;
  max-height: calc(100vh - 150px);
  background: white;
  border-radius: 16px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  z-index: 9999;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chat-widget-header {
  background: #06B6D4;
  color: white;
  padding: 1rem 1.25rem;
  border-radius: 16px 16px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 70px;
}

.chat-close-btn {
  background: rgba(255, 255, 255, 0.9);
  border: 2px solid rgba(255, 255, 255, 0.5);
  color: #06B6D4;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}

.chat-close-btn:hover {
  background: white;
  border-color: white;
  transform: scale(1.05);
}

.chat-close-btn:active {
  transform: scale(0.95);
}

.chat-close-btn svg {
  width: 20px;
  height: 20px;
  stroke-width: 2.5;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: #f8f9fa;
}

.chat-message {
  display: flex;
  animation: messageSlide 0.3s ease-out;
}

@keyframes messageSlide {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message-content {
  max-width: 80%;
  padding: 0.875rem 1.125rem;
  border-radius: 12px;
  font-size: 0.9375rem;
  line-height: 1.5;
  word-wrap: break-word;
}

.bot-message .message-content {
  background: white;
  color: var(--gray-900);
  border: 1px solid var(--gray-200);
  margin-right: auto;
}

.user-message {
  justify-content: flex-end;
}

.user-message .message-content {
  background: #06B6D4;
  color: white;
  margin-left: auto;
}

.chat-input-container {
  padding: 1rem;
  border-top: 1px solid var(--gray-200);
  display: flex;
  gap: 0.75rem;
  background: white;
  border-radius: 0 0 16px 16px;
}

.chat-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-size: 0.9375rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color 0.2s;
}

.chat-input:focus {
  border-color: var(--primary-700);
}

.chat-send-btn {
  background: #06B6D4;
  color: white;
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s;
  flex-shrink: 0;
}

.chat-send-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30, 73, 118, 0.3);
}

.chat-send-btn:active {
  transform: translateY(0);
}

.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 0.875rem 1.125rem;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  width: fit-content;
}

.typing-dot {
  width: 8px;
  height: 8px;
  background: var(--gray-400);
  border-radius: 50%;
  animation: typingBounce 1.4s infinite;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typingBounce {
  0%, 60%, 100% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-8px);
  }
}

/* Mobile Optimierung */
@media (max-width: 768px) {
  .whatsapp-button {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 56px;
    height: 56px;
  }
  
  .chat-widget {
    right: 10px;
    bottom: 10px;
    left: 10px;
    top: 10px;
    width: calc(100% - 20px);
    max-width: calc(100vw - 10px);
    height: calc(100vh - 20px);
    max-height: calc(100vh - 70px);
    border-radius: 16px;
  }
  
  .chat-widget-header {
    padding: 1rem;
    border-radius: 16px 16px 0 0;
  }
  
  .chat-widget-header h3 {
    font-size: 1rem;
  }
  
  .chat-widget-header p {
    font-size: 0.8125rem;
  }
  
  .chat-messages {
    padding: 1rem;
    /* Platz für mobile Tastatur */
    padding-bottom: calc(1rem + env(safe-area-inset-bottom));
  }
  
  .message-content {
    max-width: 85%;
    font-size: 0.9375rem;
    padding: 0.75rem 1rem;
  }
  
  .chat-input-container {
    padding: 0.875rem 1rem;
    /* Unterstützung für iPhone-Notch */
    padding-bottom: calc(0.875rem + env(safe-area-inset-bottom));
    background: white;
    border-top: 2px solid var(--gray-200);
  }
  
  .chat-input {
    font-size: 16px; /* Verhindert Auto-Zoom auf iOS */
    padding: 0.875rem 1rem;
  }
  
  .chat-send-btn {
    width: 48px;
    height: 48px;
  }
}

/* Kleine Smartphones */
@media (max-width: 375px) {
  .whatsapp-button {
    width: 52px;
    height: 52px;
    bottom: var(--space-3);
    right: var(--space-3);
  }
  
  .message-content {
    font-size: 0.875rem;
    padding: 0.625rem 0.875rem;
  }
  
  .chat-input {
    font-size: 16px;
    padding: 0.75rem 0.875rem;
  }
  
  .chat-send-btn {
    width: 44px;
    height: 44px;
  }
}

/* Landscape Modus auf Mobilgeräten */
@media (max-width: 768px) and (orientation: landscape) {
  .chat-widget {
    height: 100vh;
  }
  
  .chat-messages {
    padding: 0.75rem;
  }
  
  .chat-input-container {
    padding: 0.625rem 1rem;
  }
}

/* Tablet (Portrait) */
@media (min-width: 769px) and (max-width: 1024px) {
  .chat-widget {
    right: 16px;
    bottom: 90px;
    width: 400px;
    height: calc(100vh - 140px);
    max-height: 700px;
  }
  
  .whatsapp-button {
    bottom: var(--space-5);
    right: var(--space-5);
  }
}