:root {
  --accent: #0090f0;
  --accent-dark: #0077cc;
  --accent-soft: #e8f4fd;
  --text: #253237;
  --muted: #667085;
  --border: #e4e9f0;
  --bg: #ffffff;
  --panel: #f8fafc;
  --shadow: 0 12px 40px rgba(15, 35, 60, 0.08);
  --radius: 16px;
  --font: "Play", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

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

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

.container {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

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

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

.btn-primary:hover {
  background: var(--accent-dark);
}

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

.btn-outline:hover {
  background: var(--accent-soft);
}

.btn-sm {
  min-height: 38px;
  padding: 0 16px;
  font-size: 14px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 72px;
}

.brand-link {
  flex: 0 0 auto;
}

.brand-logo {
  height: 42px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex: 1;
}

.main-nav a {
  color: var(--text);
  font-weight: 700;
  font-size: 14px;
}

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

.header-cta {
  margin-left: auto;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--text);
}

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #f7fbff 0%, #ffffff 100%);
}

.hero-slider {
  position: relative;
  min-height: 560px;
}

.hero-slide {
  display: none;
}

.hero-slide.is-active {
  display: block;
}

.hero-slide-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
  padding: 56px 0 72px;
}

.hero-copy h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.12;
  color: var(--text);
}

.hero-copy .hero-subtitle {
  margin: 0 0 12px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
}

.hero-copy .hero-description {
  margin: 0 0 24px;
  max-width: 560px;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.hero-badges {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.hero-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 14px 10px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
}

.hero-badge .material-icons {
  color: var(--accent);
  font-size: 24px;
}

.hero-visual {
  position: relative;
  min-height: 380px;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: contain;
  object-position: center;
  border-radius: 24px;
  box-shadow: var(--shadow);
  background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
}

.hero-controls {
  position: absolute;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-arrow {
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: #fff;
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.hero-dots {
  display: flex;
  gap: 8px;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border: 0;
  border-radius: 50%;
  background: #c7d5e3;
  cursor: pointer;
}

.hero-dot.is-active {
  background: var(--accent);
  transform: scale(1.15);
}

.section-intro {
  padding: 64px 0 24px;
  text-align: center;
}

.section-intro h2 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.section-intro p {
  margin: 0 auto;
  max-width: 680px;
  color: var(--muted);
}

.product-section {
  padding: 24px 0 48px;
}

.product-section:nth-child(even) {
  background: var(--panel);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.section-head h3 {
  margin: 0 0 8px;
  font-size: 1.6rem;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.product-carousel {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 48px;
  gap: 12px;
  align-items: center;
}

.product-carousel-viewport {
  overflow: hidden;
}

.product-carousel-track {
  display: flex;
  gap: 24px;
  transition: transform 0.35s ease;
  will-change: transform;
}

.product-carousel-slide {
  flex: 0 0 auto;
  min-width: 0;
}

.product-carousel-slide .product-card {
  height: 100%;
}

.carousel-arrow {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: #fff;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, opacity 0.15s ease;
}

.carousel-arrow:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.carousel-arrow:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.product-section-carousel {
  background: var(--panel);
}

.product-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(15, 35, 60, 0.04);
}

.product-section:nth-child(even) .product-card {
  background: #fff;
}

.product-card-image {
  aspect-ratio: 4 / 3;
  background: #f3f7fb;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px;
}

.product-card-body h4 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  line-height: 1.35;
}

.product-card-body .manufacturer {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.product-card-body .description {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 14px;
}

.feature-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
}

.feature-list li {
  font-size: 12px;
  color: var(--text);
}

.feature-list strong {
  display: block;
  color: var(--muted);
  font-weight: 700;
}

.product-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.price {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
}

.section-placeholder {
  padding: 56px 24px;
  border: 1px dashed #b8d9f3;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #f8fcff 0%, #eef7ff 100%);
  text-align: center;
}

.section-placeholder .material-icons {
  font-size: 48px;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-placeholder h4 {
  margin: 0 0 8px;
  font-size: 1.25rem;
}

.section-placeholder p {
  margin: 0;
  color: var(--muted);
}

.features-strip {
  padding: 56px 0 72px;
  background: #fff;
  border-top: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 16px;
}

.feature-box {
  padding: 18px 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
  text-align: center;
}

.feature-box .material-icons {
  color: var(--accent);
  font-size: 28px;
  margin-bottom: 10px;
}

.feature-box h5 {
  margin: 0 0 10px;
  font-size: 14px;
}

.feature-box p {
  margin: 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--muted);
}

.site-footer {
  margin-top: 0;
}

@media (max-width: 1100px) {
  .features-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (max-width: 900px) {
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    padding: 16px;
    background: #fff;
    border-bottom: 1px solid var(--border);
  }

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

  .hero-slide-inner {
    grid-template-columns: 1fr;
    padding-top: 32px;
  }

  .hero-visual {
    order: -1;
    min-height: 280px;
  }

  .hero-visual img {
    min-height: 280px;
  }

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

  .hero-slider {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .product-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .product-carousel {
    grid-template-columns: 40px minmax(0, 1fr) 40px;
    gap: 8px;
  }

  .carousel-arrow {
    width: 40px;
    height: 40px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-controls {
    position: static;
    transform: none;
    justify-content: center;
    padding-bottom: 24px;
  }
}