.product-hero {
  position: relative;
  padding: clamp(8rem, 14vw, 12rem) 0 clamp(var(--space-12), 6vw, var(--space-20));
  background: linear-gradient(
    180deg,
    var(--color-bg) 0%,
    var(--color-surface) 40%,
    var(--color-surface-2) 70%,
    var(--color-bg) 100%
  );
  text-align: center;
  overflow: hidden;
}

.product-hero::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200, 132, 58, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.product-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.product-hero__tagline {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  margin-inline: auto;
  line-height: 1.6;
}

/* Breadcrumb */
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.breadcrumb a {
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color 0.2s;
}

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

.breadcrumb__sep {
  color: var(--color-border-light);
}

/* Content Sections */
.product-section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}

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

.product-section--dark {
  background: var(--color-bg);
}

.product-intro__text {
  max-width: 800px;
  margin-inline: auto;
  text-align: center;
}

.product-intro__text p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-4);
  max-width: none;
}

/* Software Cards */
.software-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 4vw, var(--space-12));
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s;
}

.software-card:hover {
  border-color: var(--color-accent);
}

.software-card__number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 900;
  color: rgba(200, 132, 58, 0.06);
  position: absolute;
  top: var(--space-4);
  right: var(--space-6);
  line-height: 1;
}

.software-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.software-card__icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: rgba(200, 132, 58, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.software-card__icon svg {
  width: 28px;
  height: 28px;
}

.software-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
}

.software-card__subtitle {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 500;
  margin-top: var(--space-1);
}

.software-card__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-6);
  max-width: none;
}

.software-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.software-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.software-card__features li svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

.software-cards__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .software-cards__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: border-color 0.3s, transform 0.3s;
}

.feature-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-md);
  background: rgba(200, 132, 58, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.feature-card__icon svg {
  width: 24px;
  height: 24px;
}

.feature-card__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: var(--space-2);
}

.feature-card__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Nexus Cloud Section */
.cloud-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 768px) {
  .cloud-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.cloud-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cloud-image img {
  width: 100%;
  height: auto;
  max-width: 400px;
}

.cloud-details__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.cloud-details__list li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.cloud-details__list li::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-top: 0.55em;
}

/* Gateway Accessories Grid */
.gateway-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}

@media (max-width: 639px) {
  .gateway-grid {
    grid-template-columns: 1fr;
  }
}

.gateway-item {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
  transition: border-color 0.3s;
}

.gateway-item:hover {
  border-color: var(--color-accent);
}

.gateway-item__icon {
  width: 40px;
  height: 40px;
  margin: 0 auto var(--space-3);
  color: var(--color-accent);
}

.gateway-item__name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
}

/* Platform Features */
.platform-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

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

@media (min-width: 1024px) {
  .platform-features {
    grid-template-columns: repeat(4, 1fr);
  }
}

.platform-feature {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color 0.3s, transform 0.3s;
}

.platform-feature:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.platform-feature__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-4);
  border-radius: var(--radius-md);
  background: rgba(200, 132, 58, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.platform-feature__icon svg {
  width: 24px;
  height: 24px;
}

.platform-feature__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.platform-feature__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* LINK Feature Groups */
.link-features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .link-features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.link-feature-group {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.link-feature-group__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-border);
}

.link-feature-group__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.link-feature-group__list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.link-feature-group__list li::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* App Download Section */
.app-download {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
}

.app-download__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.app-download__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.3s ease;
  min-width: 200px;
  justify-content: center;
}

.app-download__btn:hover {
  border-color: var(--color-accent);
  background: rgba(200, 132, 58, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200, 132, 58, 0.12);
}

.app-download__btn svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.app-download__btn-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.app-download__btn-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 400;
  line-height: 1.2;
}

.app-download__btn-store {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

/* AI Feature Icons */
.ai-features__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 1024px) {
  .ai-features__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.ai-feature {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: border-color 0.3s, transform 0.3s;
}

.ai-feature:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.ai-feature__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-md);
  background: rgba(200, 132, 58, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.ai-feature__icon svg {
  width: 24px;
  height: 24px;
}

.ai-feature__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.ai-feature__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(
    135deg,
    var(--color-surface-2) 0%,
    var(--color-surface) 50%,
    var(--color-surface-2) 100%
  );
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  text-align: center;
}

.cta-banner__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.1;
}

.cta-banner__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

/* Wireless Transmission Grid */
.transmission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}

@media (max-width: 639px) {
  .transmission-grid {
    grid-template-columns: 1fr;
  }
}

.transmission-item {
  background: var(--color-surface-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
  transition: border-color 0.3s;
}

.transmission-item:hover {
  border-color: var(--color-accent);
}

.transmission-item__icon {
  width: 40px;
  height: 40px;
  margin: 0 auto var(--space-3);
  color: var(--color-accent);
}

.transmission-item__name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
}

/* Gateway highlights */
.gateway-highlights {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

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

.gateway-highlight {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-5);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.gateway-highlight__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(200, 132, 58, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.gateway-highlight__icon svg {
  width: 20px;
  height: 20px;
}

.gateway-highlight__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.gateway-highlight__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}