@font-face {
  font-family: "Manrope Variable";
  src: url("./fonts/Manrope-Variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
}

.silicon-hero {
  height: 500px;
  background-image:
    linear-gradient(90deg, rgba(12, 17, 24, 0.76) 0%, rgba(18, 28, 54, 0.58) 38%, rgba(18, 28, 54, 0.12) 100%),
    url("../img/silicon-photonic-banner.png");
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.silicon-hero-inner {
  width: 1440px;
  height: 100%;
  margin: 0 auto;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  padding: 80px 0;
  box-sizing: border-box;
}

.silicon-hero-copy {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
  color: #ffffff;
  position: relative;
  z-index: 2;
}

.silicon-hero-breadcrumb {
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.7;
  font-weight: 400;
  font-family: "Manrope Variable", "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
  font-variation-settings: "wght" 400;
  margin: 0;
  white-space: nowrap;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.silicon-hero-title {
  width: 920px;
  color: #ffffff;
  line-height: 1.1;
  letter-spacing: 0;
  font-family: "Manrope Variable", "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 300;
  font-variation-settings: "wght" 300;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.silicon-hero-slogan {
  position: absolute;
  left: -56px;
  bottom: 78px;
  width: 298px;
  height: 18px;
  z-index: 1;
}

.silicon-hero-slogan img {
  display: block;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  transform: translateZ(0);
}

.silicon-submenu-section {
  border-bottom: 1px solid #e9ebee;
  background: #ffffff;
}

.silicon-submenu {
  width: 1440px;
  min-height: 120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 80px;
}

.silicon-submenu-item {
  min-height: 40px;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  color: #042959;
  line-height: 1.35;
  text-decoration: none;
  white-space: nowrap;
  font-family: "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
}

.silicon-submenu-item::after {
  content: "";
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #23d972 0%, #0fa3a3 100%);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}

.silicon-submenu-item:hover::after,
.silicon-submenu-item.is-active::after {
  transform: scaleX(1);
}

.silicon-models-section {
  background: #ffffff;
  padding: 160px 0;
}

.silicon-models-grid {
  width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 700px);
  gap: 40px 40px;
}

.silicon-model-card {
  min-height: 111px;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 40px 20px 40px 40px;
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: linear-gradient(90deg, #346790 0%, #101c36 100%);
  transition: background 0.35s ease, transform 0.35s ease;
}

.silicon-model-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 14% 50%, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0) 38%),
    linear-gradient(125deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0) 45%);
  opacity: 0.6;
  pointer-events: none;
  transition: opacity 0.35s ease, background 0.35s ease;
}

.silicon-model-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../img/logo icon.svg") center / cover no-repeat;
  opacity: 0;
  transform: translateX(-72px);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.45s ease;
}

.silicon-model-title,
.silicon-model-spec {
  position: relative;
  z-index: 1;
  font-family: "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
}

.silicon-model-title {
  width: 300px;
  color: #ffffff;
  line-height: 1.3;
  font-weight: 700;
}

.silicon-model-spec {
  flex: 1 1 auto;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.6;
  font-weight: 500;
}

.silicon-model-card:hover {
  background: linear-gradient(90deg, #23d972 0%, #0fa3a3 100%);
}

.silicon-model-card:hover::before {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.14) 0 46%, rgba(255, 255, 255, 0) 46% 100%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 0 50%, rgba(255, 255, 255, 0) 50% 100%);
  opacity: 0.28;
}

.silicon-model-card:hover::after {
  opacity: 1;
  transform: translateX(0);
}

.silicon-architecture-section {
  background: #f0f2f5;
  padding: 160px 0;
}

.silicon-architecture-inner {
  width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 80px;
}

.silicon-architecture-image-wrap {
  width: 680px;
  height: 510px;
  overflow: hidden;
  border-radius: 4px;
  flex-shrink: 0;
}

.silicon-architecture-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.silicon-architecture-copy {
  width: 680px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  color: #042959;
  font-family: "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
  font-style: normal;
  font-weight: 400;
  font-variation-settings: "wght" 400;
}

.silicon-architecture-title,
.silicon-architecture-text {
  font-family: "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
  font-style: normal;
  font-weight: 400;
  font-variation-settings: "wght" 400;
  letter-spacing: 0;
}

.silicon-architecture-title {
  font-size: 36px;
  line-height: 1.3;
  font-weight: 400;
  margin-bottom: 12px;
}

.silicon-architecture-text {
  font-size: 18px;
  color: #042959;
  line-height: 1.7;
  font-weight: 400;
}

.silicon-advantages-section {
  background: #ffffff;
  padding: 160px 0;
}

.silicon-advantages-grid {
  width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 710px);
  gap: 20px;
}

.silicon-advantage-card {
  height: 260px;
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  color: #ffffff;
  cursor: pointer;
}

.silicon-advantage-bg,
.silicon-advantage-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.silicon-advantage-bg {
  display: block;
  object-fit: cover;
  transform: translateY(0) scale(1);
  transition: transform 0.45s ease;
}

.silicon-advantage-card:first-child .silicon-advantage-bg {
  object-position: center 46%;
  transform: translateY(0) scale(1.08);
}

.silicon-advantage-card:nth-child(3) .silicon-advantage-bg,
.silicon-advantage-card:nth-child(4) .silicon-advantage-bg {
  object-position: center 58%;
  transform: translateY(0) scale(1.08);
}

.silicon-advantage-overlay {
  background: linear-gradient(90deg, rgba(4, 41, 89, 0.92) 0%, rgba(27, 140, 108, 0.46) 100%);
  transition: background 0.35s ease, opacity 0.35s ease;
}

.silicon-advantage-content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding: 40px;
  transition: gap 0.35s ease;
}

.silicon-advantage-copy {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.silicon-advantage-title,
.silicon-advantage-text {
  font-family: "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
}

.silicon-advantage-title {
  color: #e9ebee;
  line-height: 1.3;
  font-weight: 400;
  transition: color 0.35s ease;
}

.silicon-advantage-text {
  max-width: 430px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.6;
  font-weight: 500;
  transition: color 0.35s ease;
}

.silicon-advantage-icon-wrap {
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px dashed transparent;
  border-radius: 20px;
  background: transparent;
  transition: border-color 0.35s ease, background 0.35s ease, transform 0.35s ease;
}

.silicon-advantage-icon {
  width: 56px;
  height: 56px;
  display: block;
  object-fit: contain;
  transition: transform 0.35s ease;
}

.silicon-advantage-card:hover .silicon-advantage-bg {
  transform: scale(1.04);
}

.silicon-advantage-card:first-child:hover .silicon-advantage-bg {
  transform: translateY(-18px) scale(1.08);
}

.silicon-advantage-card:nth-child(2):hover .silicon-advantage-bg {
  transform: scale(1.04);
}

.silicon-advantage-card:nth-child(3):hover .silicon-advantage-bg,
.silicon-advantage-card:nth-child(4):hover .silicon-advantage-bg {
  transform: translateY(-18px) scale(1.08);
}

.silicon-advantage-card:hover .silicon-advantage-overlay {
  background: linear-gradient(90deg, rgba(27, 140, 108, 0.82) 0%, rgba(4, 41, 89, 0.84) 100%);
}

.silicon-advantage-card:hover .silicon-advantage-title,
.silicon-advantage-card:hover .silicon-advantage-text {
  color: #ffffff;
}

.silicon-advantage-card:hover .silicon-advantage-icon-wrap {
  border-color: rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.02);
}

.silicon-advantage-card:hover .silicon-advantage-icon {
  transform: scale(1.14);
}


.footer-head-icon {
  cursor: pointer;
}

@media screen and (max-width: 768px) {
  .silicon-hero {
    min-height: 420px;
    height: auto;
    padding: 112px 0 48px;
    background-position: center;
  }

  .silicon-hero-inner,
  .silicon-submenu,
  .silicon-models-grid,
  .silicon-architecture-inner,
  .silicon-advantages-grid,
  .silicon-rfq-inner {
    width: calc(100% - 32px);
    max-width: calc(100% - 32px);
  }

  .silicon-hero-inner {
    padding: 120px 0 40px;
  }

  .silicon-hero-copy,
  .silicon-hero-title {
    width: 100%;
    max-width: 100%;
  }

  .silicon-hero-copy {
    gap: 16px;
  }

  .silicon-hero-slogan {
    display: none;
  }

  .silicon-hero-slogan img {
    width: 100%;
    height: auto;
  }

  .silicon-submenu-section {
    overflow-x: auto;
  }

  .silicon-submenu {
    min-height: 88px;
    justify-content: flex-start;
    gap: 28px;
    padding: 0 4px;
  }

  .silicon-submenu-item {
    min-height: 34px;
  }

  .silicon-models-section,
  .silicon-architecture-section,
  .silicon-advantages-section {
    padding: 64px 0;
  }

  .silicon-models-grid,
  .silicon-advantages-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .silicon-model-card {
    min-height: 96px;
    padding: 24px 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .silicon-model-title,
  .silicon-model-spec {
    width: 100%;
  }

  .silicon-architecture-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .silicon-architecture-image-wrap,
  .silicon-architecture-copy {
    width: 100%;
  }

  .silicon-architecture-image-wrap {
    height: auto;
  }

  .silicon-architecture-image {
    aspect-ratio: 4 / 3;
  }

  .silicon-architecture-copy {
    gap: 18px;
  }

  .silicon-advantage-card {
    min-height: 240px;
    height: auto;
  }

  .silicon-advantage-content {
    padding: 24px;
    gap: 20px;
  }

  .silicon-advantage-copy {
    gap: 16px;
  }

  .silicon-advantage-text {
    max-width: none;
  }

  .silicon-advantage-icon-wrap {
    width: 56px;
    height: 56px;
  }

}