*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-surface);
  padding-top: var(--header-height);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

ul {
  list-style: none;
}

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

.section {
  padding: var(--space-3xl) 0;
}

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

.section-header {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto var(--space-2xl);
}

.section-header h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.section-header p {
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  text-decoration: none;
}

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

.logo-icon {
  width: 2.25rem;
  height: 2.25rem;
}

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

.nav-desktop a {
  color: var(--color-text);
  font-weight: 500;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.nav-desktop a:hover,
.nav-desktop a[aria-current="page"] {
  color: var(--color-accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 2.75rem;
  padding: 0 var(--space-lg);
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-surface);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-surface);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-accent {
  background: var(--color-accent);
  color: var(--color-surface);
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-surface);
}

.btn-nav-cta {
  display: none;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile drawer */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 61, 110, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  z-index: 1001;
}

.nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(20rem, 85vw);
  height: 100vh;
  background: var(--color-surface);
  padding: var(--space-2xl) var(--space-xl);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: 1002;
  box-shadow: var(--shadow-lg);
}

.nav-drawer.is-open {
  transform: translateX(0);
}

.nav-drawer nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
}

.nav-drawer a {
  color: var(--color-text);
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.nav-drawer a[aria-current="page"] {
  color: var(--color-accent);
}

.nav-drawer .btn {
  margin-top: var(--space-xl);
  width: 100%;
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, #0a5a8c 50%, var(--color-accent) 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ffffff' fill-opacity='0.05' d='M0,192L48,197.3C96,203,192,213,288,229.3C384,245,480,267,576,250.7C672,235,768,181,864,181.3C960,181,1056,235,1152,234.7C1248,235,1344,181,1392,154.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") bottom center / cover no-repeat;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--color-surface);
  max-width: 42rem;
  padding: var(--space-3xl) 0;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.hero h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
}

.hero p {
  font-size: var(--font-size-lg);
  opacity: 0.92;
  margin-bottom: var(--space-2xl);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero .btn-primary {
  background: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-surface);
}

.hero .btn-primary:hover {
  background: var(--color-surface-alt);
  color: var(--color-primary-dark);
}

.hero .btn-outline {
  color: var(--color-surface);
  border-color: rgba(255, 255, 255, 0.7);
}

.hero .btn-outline:hover {
  background: var(--color-surface);
  color: var(--color-primary);
}

/* Page hero (inner pages) */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--color-surface);
  padding: var(--space-3xl) 0;
  text-align: center;
}

.page-hero h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.page-hero p {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  max-width: 36rem;
  margin: 0 auto;
}

/* Two column */
.two-col {
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
}

.two-col-visual {
  background: linear-gradient(145deg, var(--color-surface-alt), var(--color-surface-dark));
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  min-height: 16rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.two-col-visual svg {
  width: 100%;
  max-width: 12rem;
  opacity: 0.9;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
  font-weight: 500;
}

/* Values */
.values-grid {
  display: grid;
  gap: var(--space-lg);
}

.value-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.value-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.value-card h3 {
  color: var(--color-primary);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.value-card p {
  color: var(--color-text-muted);
}

/* Timeline */
.timeline {
  display: grid;
  gap: var(--space-xl);
  max-width: 48rem;
  margin: 0 auto;
}

.timeline-item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.timeline-step {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  background: var(--color-accent);
  color: var(--color-surface);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.timeline-item h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.timeline-item p {
  color: var(--color-text-muted);
}

/* Trust strip */
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.trust-item::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

/* Product grid */
.product-grid {
  display: grid;
  gap: var(--space-xl);
  transition: opacity var(--transition-base);
}

.product-grid.is-filtering {
  opacity: 0.6;
}

.product-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

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

.product-card-image {
  aspect-ratio: 4 / 3;
  background: var(--color-surface-alt);
  overflow: hidden;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.product-card-body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-category {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.product-card h3 {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.product-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  flex: 1;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-link {
  font-weight: 600;
  font-size: var(--font-size-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.product-card-link::after {
  content: "→";
  transition: transform var(--transition-fast);
}

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

/* Filter pills */
.filter-bar {
  margin-bottom: var(--space-2xl);
}

.filter-scroll {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.filter-pill {
  flex-shrink: 0;
  padding: var(--space-sm) var(--space-lg);
  min-height: 2.75rem;
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.filter-pill:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-pill.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-surface);
}

.empty-state {
  text-align: center;
  padding: var(--space-3xl);
  color: var(--color-text-muted);
}

.empty-state h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

/* Product detail */
.product-detail {
  padding: var(--space-2xl) 0 var(--space-3xl);
}

.breadcrumb {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

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

.product-detail-grid {
  display: grid;
  gap: var(--space-2xl);
}

.product-detail-image {
  background: var(--color-surface-alt);
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.product-detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail-info h1 {
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.product-detail-info .product-category {
  margin-bottom: var(--space-lg);
}

.product-detail-info .description {
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}

.specs-title {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.specs-list {
  list-style: disc;
  padding-left: var(--space-xl);
  color: var(--color-text);
}

.specs-list li {
  margin-bottom: var(--space-sm);
  padding-left: var(--space-xs);
}

.product-not-found {
  text-align: center;
  padding: var(--space-4xl) var(--space-lg);
}

.product-not-found h2 {
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

/* Contact */
.contact-grid {
  display: grid;
  gap: var(--space-2xl);
}

.contact-info-card {
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.contact-info-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-xl);
}

.contact-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-item strong {
  display: block;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-xs);
}

.contact-item span,
.contact-item a {
  color: var(--color-text-muted);
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  font-family: inherit;
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(30, 136, 199, 0.2);
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--color-error);
}

.form-error {
  font-size: var(--font-size-sm);
  color: var(--color-error);
  margin-top: var(--space-xs);
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.form-alert {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  font-weight: 500;
}

.form-alert.success {
  background: #d1fae5;
  color: var(--color-success);
}

.form-alert.error {
  background: #fee2e2;
  color: var(--color-error);
}

.map-container {
  margin-top: var(--space-2xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 16 / 9;
  background: var(--color-surface-alt);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Footer */
.site-footer {
  margin-top: auto;
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand .logo {
  color: var(--color-surface);
  margin-bottom: var(--space-md);
}

.footer-brand p {
  font-size: var(--font-size-sm);
  line-height: 1.7;
  max-width: 20rem;
}

.footer-links h4 {
  color: var(--color-surface);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-md);
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--font-size-sm);
}

.footer-links a:hover {
  color: var(--color-surface);
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  text-align: center;
  font-size: var(--font-size-sm);
}

main {
  flex: 1;
}

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

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }

  .btn-nav-cta {
    display: inline-flex;
  }

  .two-col {
    grid-template-columns: 1fr 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .values-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
  }

  .product-detail-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

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

@media (min-width: 1280px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}