/* ==========================================================================
   Bornschein Electric — Main Stylesheet
   Built on design-tokens.css
   ========================================================================== */

@import url('design-tokens.css');

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--color-border-subtle);
  box-shadow: 0 8px 26px -24px rgba(17, 24, 39, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  height: 72px;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  will-change: transform;
}

/* Space for fixed header on all viewports */
body {
  padding-top: 72px;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: 72px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--weight-extrabold);
  font-size: var(--text-xl);
  text-decoration: none;
  color: var(--color-primary-900);
  white-space: nowrap;
  letter-spacing: -0.03em;
  padding: 0 var(--space-2);
  border-radius: var(--radius-lg);
  flex: 0 0 auto;
  line-height: 0;
}

.site-logo img {
  height: clamp(40px, 4.5vw, 56px);
  max-width: min(44vw, 168px);
  width: auto;
  object-fit: contain;
  display: block;
}

.site-nav {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
}

.site-nav a {
  color: var(--color-primary-900);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  padding: var(--space-2) var(--space-3);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--color-primary-100);
  color: var(--color-primary-700);
}

.site-nav a:hover {
  transform: translateY(-1px);
}

.nav-cta {
  background: var(--color-cta-gradient) !important;
  color: var(--color-primary-900) !important;
  font-weight: var(--weight-bold) !important;
  border-radius: var(--radius-full) !important;
  padding: var(--space-2) var(--space-4) !important;
  box-shadow: 0 10px 24px -14px rgba(217, 119, 6, 0.9);
}

.nav-cta:hover {
  background: var(--color-accent-600) !important;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-primary-300);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  min-width: 45px;
  min-height: 45px;
  cursor: pointer;
  font-size: var(--text-lg);
  line-height: 1;
  color: var(--color-primary-900);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--color-primary-900);
  color: var(--color-white);
  margin-top: clamp(var(--space-12), 6vw, var(--space-20));
  padding: clamp(var(--space-12), 7vw, var(--space-20)) var(--container-padding) var(--space-12);
}

.site-footer .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: var(--space-10);
}

.site-footer h2 {
  color: var(--color-white);
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}

.site-footer a {
  color: var(--color-accent-400);
  text-decoration: none;
  font-weight: var(--weight-medium);
}

.site-footer a:hover {
  text-decoration: underline;
  color: var(--color-accent-500);
}

.site-footer p {
  margin-bottom: var(--space-2);
  line-height: var(--leading-relaxed);
}

.site-footer ul {
  list-style: none;
  padding: 0;
}

.site-footer li {
  margin-bottom: var(--space-2);
}

.site-footer-bottom {
  max-width: var(--container-max);
  margin: var(--space-8) auto 0;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-primary-700);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-primary-400);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(var(--space-10), 8vw, var(--space-20)) 0;
  background: var(--color-hero-gradient);
  color: var(--color-white);
  border-bottom: 1px solid rgba(245, 158, 11, 0.16);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, rgba(0,0,0,0.85), transparent 78%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: center;
}

.hero .hero-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent-400);
  font-weight: var(--weight-bold);
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-3);
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-5);
  max-width: 12ch;
}

.hero p {
  font-size: clamp(var(--text-base), 1.6vw, var(--text-lg));
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  color: rgba(255, 255, 255, 0.82);
  max-width: 44rem;
}

.hero-image {
  border-radius: var(--radius-3xl);
  overflow: hidden;
  box-shadow: var(--shadow-hero);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   Buttons / CTAs
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-5);
  min-height: 48px;
  border-radius: var(--radius-lg);
  font-weight: var(--weight-bold);
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  border: none;
  font-size: var(--text-base);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-cta-gradient);
  color: var(--color-primary-900);
  box-shadow: 0 16px 32px -20px rgba(217, 119, 6, 0.9);
}

.btn-primary:hover {
  background: var(--color-accent-600);
  color: var(--color-primary-900);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-white);
  color: var(--color-white);
}

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-primary-900);
}

.btn-dark {
  background: var(--color-primary-900);
  color: var(--color-white);
}

.btn-dark:hover {
  background: var(--color-primary-700);
  color: var(--color-white);
}

.btn-group {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
}

/* ==========================================================================
   Trust Bar
   ========================================================================== */

.trust-bar {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.96);
  padding: clamp(var(--space-4), 4vw, var(--space-5));
  border-radius: var(--radius-2xl);
  margin: calc(var(--space-8) * -1) auto clamp(var(--space-8), 6vw, var(--space-12));
  width: min(100% - calc(var(--container-padding) * 2), var(--container-max));
  max-width: var(--container-max);
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-card);
}

.trust-bar__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr));
  gap: var(--space-3);
  text-align: center;
  font-weight: var(--weight-bold);
  color: var(--color-primary-900);
  font-size: var(--text-sm);
}

.trust-bar__item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.5rem;
}

.trust-bar__icon {
  font-size: var(--text-lg);
}

/* ==========================================================================
   Primary CTA Section
   ========================================================================== */

.primary-cta {
  background: var(--color-cta-gradient);
  color: var(--color-primary-900);
  padding: clamp(var(--space-10), 6vw, var(--space-14)) clamp(var(--space-5), 5vw, var(--space-12));
  border-radius: clamp(var(--radius-2xl), 4vw, var(--radius-3xl));
  margin: clamp(var(--space-12), 7vw, var(--space-16)) auto;
  text-align: center;
  width: min(100% - calc(var(--container-padding) * 2), var(--container-max));
  max-width: var(--container-max);
  box-shadow: 0 22px 60px -34px rgba(217, 119, 6, 0.9);
}

.primary-cta h2 {
  color: var(--color-primary-900);
  margin-bottom: var(--space-3);
}

.primary-cta p {
  font-size: clamp(var(--text-base), 1.6vw, var(--text-lg));
  margin-bottom: var(--space-5);
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
}

.primary-cta .btn-dark:hover {
  background: var(--color-primary-700);
}

.primary-cta .btn-outline {
  border-color: var(--color-primary-900);
  color: var(--color-primary-900);
}

.primary-cta .btn-outline:hover {
  background: var(--color-primary-900);
  color: var(--color-white);
}

/* ==========================================================================
   Service Cards
   ========================================================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: var(--space-7);
  margin: var(--space-10) 0;
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-2xl);
  padding: clamp(var(--space-5), 4vw, var(--space-7));
  min-height: clamp(190px, 22vw, 220px);
  box-shadow: 0 1px 0 rgba(17, 24, 39, 0.03);
  transition: box-shadow var(--transition-base), transform var(--transition-fast), border-color var(--transition-fast);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: var(--color-cta-gradient);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
  border-color: rgba(245, 158, 11, 0.35);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card h3 {
  margin-bottom: var(--space-2);
}

.service-card h3 a {
  color: var(--color-primary-900);
  text-decoration: none;
}

.service-card h3 a:hover {
  color: var(--color-accent-600);
}

.service-card p {
  color: var(--color-primary-600);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-3);
}

.service-card__link {
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  margin-top: auto;
}

/* ==========================================================================
   Service Area Links
   ========================================================================== */

.service-area-links {
  margin: var(--space-10) 0;
}

.service-area-links h2 {
  margin-bottom: var(--space-3);
}

.service-area-links > p {
  margin-bottom: var(--space-5);
  color: var(--color-primary-600);
}

.service-area-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr));
  gap: var(--space-3);
}

.service-area-grid a {
  display: block;
  padding: var(--space-3) var(--space-4);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-primary-900);
  font-weight: var(--weight-medium);
  font-size: var(--text-sm);
  text-align: center;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.service-area-grid a:hover {
  background: var(--color-accent-50);
  border-color: var(--color-accent-400);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */

.faq-section {
  margin: var(--space-10) 0;
}

.faq-section h2 {
  margin-bottom: var(--space-6);
}

.faq-item {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-2) clamp(var(--space-4), 4vw, var(--space-5));
  margin-bottom: var(--space-3);
  background: var(--color-white);
}

.faq-item summary {
  font-weight: var(--weight-semibold);
  cursor: pointer;
  padding: var(--space-3) 0;
  min-height: 48px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-accent-500);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item .faq-answer {
  padding: var(--space-3) 0 var(--space-4);
  color: var(--color-primary-600);
  line-height: var(--leading-relaxed);
}

/* ==========================================================================
   Breadcrumb
   ========================================================================== */

.breadcrumb {
  padding: var(--space-4) 0;
  font-size: var(--text-sm);
  color: var(--color-primary-500);
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
}

.breadcrumb a {
  color: var(--color-primary-500);
  text-decoration: underline;
}

.breadcrumb a:hover {
  color: var(--color-accent-600);
}

.breadcrumb__sep {
  margin: 0 var(--space-2);
  opacity: 0.5;
}

/* ==========================================================================
   Contact Form
   ========================================================================== */

.contact-section {
  max-width: var(--container-max);
  margin: clamp(var(--space-8), 6vw, var(--space-12)) auto;
  padding: 0;
  width: min(100% - calc(var(--container-padding) * 2), var(--container-max));
}

.contact-section > .container > .form-row {
  align-items: stretch;
  gap: clamp(var(--space-5), 5vw, var(--space-8));
}

.contact-layout {
  margin-bottom: var(--space-8);
}

.contact-info-card,
.contact-form-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-card);
}

.contact-info-card {
  background: linear-gradient(180deg, var(--color-primary-50), var(--color-white));
  padding: clamp(var(--space-5), 4vw, var(--space-7));
}

.contact-form-card {
  padding: clamp(var(--space-5), 4vw, var(--space-7));
}

.contact-info-card h2,
.contact-form-card h2 {
  margin-bottom: var(--space-5);
}

.contact-info-card h3 {
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}

.contact-detail-list {
  list-style: none;
  padding: 0;
}

.contact-note {
  font-size: var(--text-sm);
  color: var(--color-primary-500);
  margin-top: var(--space-2);
}

.btn-full {
  width: 100%;
}

.contact-form {
  display: grid;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* ==========================================================================
   Page Header (Service / City)
   ========================================================================== */

.page-header {
  padding: clamp(var(--space-10), 7vw, var(--space-16)) 0;
  background: linear-gradient(135deg, var(--color-primary-50), var(--color-surface-warm));
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.page-header--dark {
  background: var(--color-primary-900);
  color: var(--color-white);
}

.page-header--dark h1 {
  color: var(--color-white);
}

.page-header--dark p {
  color: var(--color-primary-300);
}

.page-header .container {
  max-width: var(--container-narrow);
}

.page-header h1 {
  margin-bottom: var(--space-4);
  max-width: min(14ch, 100%);
}

.page-header p {
  font-size: clamp(var(--text-base), 1.6vw, var(--text-lg));
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
  max-width: var(--container-narrow);
}

/* ==========================================================================
   About Page
   ========================================================================== */

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.team-card {
  background: var(--color-white);
  border: 1px solid var(--color-primary-200);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}

.team-card img {
  width: 160px;
  height: 240px;
  border-radius: var(--radius-xl);
  object-fit: cover;
  object-position: center;
  margin: 0 auto var(--space-4);
  flex-shrink: 0;
}

.team-card h3 {
  margin-bottom: var(--space-1);
}

.team-card .team-role {
  color: var(--color-accent-600);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
}

.team-card p {
  color: var(--color-primary-600);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* ==========================================================================
   Content Sections
   ========================================================================== */

.content-section {
  max-width: var(--container-max);
  margin: clamp(var(--space-10), 7vw, var(--space-16)) auto;
  padding: 0;
  width: min(100% - calc(var(--container-padding) * 2), var(--container-max));
}

.content-section > p {
  max-width: var(--container-narrow);
  font-size: clamp(var(--text-base), 1.5vw, var(--text-lg));
}

.content-section h2 {
  margin-bottom: var(--space-4);
}

.content-section h3 {
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}

.content-section p {
  color: var(--color-primary-700);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.content-section ul,
.content-section ol {
  margin-bottom: var(--space-4);
}

.content-section li {
  margin-bottom: var(--space-2);
}

/* ==========================================================================
   Image Gallery
   ========================================================================== */

.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

.image-gallery img {
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base);
}

.image-gallery img:hover {
  transform: scale(1.02);
}

/* ========================================================================== 
   Responsive: Mobile and Tablet
   ========================================================================== */

@media (max-width: 767px) {
  body {
    padding-top: 56px;
  }

  .site-header {
    height: 56px;
  }

  .site-header .container {
    gap: var(--space-3);
    min-height: 56px;
  }

  .site-logo img {
    height: 38px;
    max-width: min(54vw, 152px);
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-3) var(--container-padding) var(--space-4);
    border-bottom: 1px solid var(--color-primary-200);
    box-shadow: var(--shadow-lg);
    gap: 0;
    z-index: var(--z-sticky);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    width: 100%;
    display: flex;
    padding: var(--space-3) var(--space-2);
    border-bottom: 1px solid var(--color-primary-100);
    border-radius: var(--radius-lg);
  }

  .hero h1 {
    max-width: 13ch;
  }

  .hero-image {
    border-radius: var(--radius-2xl);
  }

  .btn-group,
  .primary-cta .btn-group {
    align-items: stretch;
  }

  .btn-group .btn,
  .primary-cta .btn-group .btn {
    width: 100%;
  }

  .trust-bar {
    margin-top: calc(var(--space-6) * -1);
  }

  .trust-bar__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
  }

  .trust-bar__item {
    align-items: flex-start;
    font-size: var(--text-xs);
    line-height: var(--leading-snug);
    min-height: 44px;
  }

  .primary-cta {
    border-radius: var(--radius-2xl);
  }

  .services-grid {
    gap: var(--space-5);
  }

  .service-card {
    min-height: auto;
  }

  .faq-item summary {
    align-items: flex-start;
  }

  .site-footer .container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 374px) {
  .site-logo img {
    height: 34px;
    max-width: 132px;
  }

  .menu-toggle {
    min-width: 44px;
    min-height: 44px;
    padding: var(--space-2);
  }

  .hero .hero-label {
    font-size: 0.6875rem;
  }

  .trust-bar__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1023px) {
  body {
    padding-top: 56px;
  }

  .site-header {
    height: 56px;
  }

  .site-header .container {
    gap: var(--space-3);
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3) var(--container-padding) var(--space-4);
    border-bottom: 1px solid var(--color-primary-200);
    box-shadow: var(--shadow-lg);
    gap: 0;
    z-index: var(--z-sticky);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    width: 100%;
    display: flex;
    padding: var(--space-3) var(--space-2);
    border-bottom: 1px solid var(--color-primary-100);
    border-radius: var(--radius-lg);
  }
}

/* ==========================================================================
   Responsive: Desktop
   ========================================================================== */

@media (min-width: 768px) {
  .hero .container {
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1fr);
  }

  .form-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .trust-bar__grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (min-width: 1280px) {
  .site-logo img {
    height: 58px;
    max-width: 184px;
  }

  .hero .container {
    grid-template-columns: minmax(0, 0.9fr) minmax(520px, 1fr);
  }
}

@media (hover: none) {
  .site-nav a:hover,
  .btn:hover,
  .service-card:hover,
  .service-area-grid a:hover,
  .image-gallery img:hover {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  .site-header,
  .site-footer,
  .primary-cta,
  .menu-toggle,
  .nav-cta {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  a {
    color: #000;
  }

  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: var(--text-xs);
  }
}