:root {
  --color-primary: #1a4d2e;
  --color-primary-deep: #123823;
  --color-primary-soft: #eaf3ed;
  --color-accent-green: #2a7a48;
  --color-accent-blue: #2f80ed;
  --color-accent-gold: #c99a3e;
  --color-bg: #f7faf8;
  --color-surface: #ffffff;
  --color-border: #dce5df;
  --color-text: #17201a;
  --color-text-secondary: #5a665f;
  --color-text-muted: #8a958f;
  --shadow-soft: 0 8px 24px rgba(18, 56, 35, 0.06);
  --shadow-hover: 0 18px 42px rgba(18, 56, 35, 0.1);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-card: 12px;
  --radius-media: 16px;
  --motion-fast: 160ms;
  --motion-base: 240ms;
  --motion-slow: 420ms;
  --ease-standard: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-soft: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-reveal: cubic-bezier(0.18, 0.88, 0.22, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", "Noto Sans SC", "PingFang SC", sans-serif;
  line-height: 1.5;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

.section-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 76px;
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  background: rgba(247, 250, 248, 0.92);
  border-bottom: 1px solid rgba(220, 229, 223, 0.72);
  backdrop-filter: blur(16px);
  transition: background-color var(--motion-base) var(--ease-standard),
    box-shadow var(--motion-base) var(--ease-standard);
}

.site-header.is-elevated {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-soft);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand img {
  width: 38px;
  height: 38px;
}

.brand strong {
  display: block;
  font-size: 16px;
  letter-spacing: 0.01em;
}

.brand small {
  display: block;
  margin-top: 1px;
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 600;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 650;
}

.site-nav a {
  transition: color var(--motion-base) var(--ease-standard);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--color-primary);
  border-radius: 999px;
}

.primary-button,
.secondary-button,
.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 750;
  transition: transform var(--motion-base) var(--ease-standard),
    border-color var(--motion-base) var(--ease-standard),
    box-shadow var(--motion-base) var(--ease-standard),
    background-color var(--motion-base) var(--ease-standard),
    color var(--motion-base) var(--ease-standard);
}

.primary-button {
  color: #ffffff;
  background: var(--color-primary);
  box-shadow: 0 10px 24px rgba(26, 77, 46, 0.16);
}

.primary-button:hover {
  transform: translateY(-1px);
  background: var(--color-primary-deep);
  box-shadow: 0 14px 32px rgba(26, 77, 46, 0.2);
}

.secondary-button {
  color: var(--color-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.secondary-button:hover {
  transform: translateY(-1px);
  border-color: rgba(26, 77, 46, 0.35);
  background: var(--color-primary-soft);
}

.link-button {
  min-height: 42px;
  padding: 0 14px;
  color: var(--color-primary);
}

.link-button:hover {
  background: var(--color-primary-soft);
}

.primary-button.small {
  min-height: 42px;
  padding: 0 16px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 54px;
  align-items: center;
  padding: 86px 0 74px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--color-accent-green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  max-width: 680px;
  font-size: clamp(44px, 6vw, 64px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4vw, 42px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero-lede,
.section-heading p,
.app-copy p,
.quality-panel p,
.resource-copy p {
  color: var(--color-text-secondary);
  font-size: 18px;
  line-height: 1.72;
}

.hero-lede {
  max-width: 620px;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--color-text-secondary);
}

.hero-proof span {
  padding: 8px 11px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 650;
}

.hero-visual {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  grid-auto-rows: 220px;
  gap: 14px;
  min-width: 0;
}

.product-tile {
  position: relative;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  overflow: hidden;
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-media);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  transition: transform var(--motion-base) var(--ease-standard),
    border-color var(--motion-base) var(--ease-standard),
    box-shadow var(--motion-base) var(--ease-standard);
}

.product-tile:hover {
  transform: translateY(-6px);
  border-color: rgba(26, 77, 46, 0.28);
  box-shadow: var(--shadow-hover);
}

.tile-image {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  min-height: 0;
  margin: 0;
  background: #ffffff;
}

.product-tile img {
  position: absolute;
  inset: 18px;
  width: calc(100% - 36px);
  height: calc(100% - 36px);
  object-fit: contain;
  transition: transform var(--motion-slow) var(--ease-soft);
}

.product-tile:hover img {
  transform: scale(1.055);
}

.tile-caption {
  margin: 0 14px 14px;
  padding: 12px;
  border: 1px solid rgba(220, 229, 223, 0.86);
  border-radius: 10px;
  background: #ffffff;
}

.product-tile span,
.featured-body span,
.resource-card span {
  display: block;
  margin-bottom: 4px;
  color: var(--color-accent-green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.product-tile strong {
  display: block;
  font-size: 16px;
}

.tile-main {
  grid-row: span 2;
}

.tile-wide {
  grid-column: span 1;
}

.systems-section,
.applications-section,
.resources-section {
  padding: 92px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.system-card {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  transition: transform var(--motion-base) var(--ease-standard),
    border-color var(--motion-base) var(--ease-standard),
    box-shadow var(--motion-base) var(--ease-standard),
    background-color var(--motion-base) var(--ease-standard);
}

.system-card:hover {
  transform: translateY(-6px);
  border-color: rgba(26, 77, 46, 0.32);
  background: #fbfdfc;
  box-shadow: var(--shadow-hover);
}

.system-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 28px;
  margin-bottom: 26px;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  background: var(--color-primary-soft);
  font-size: 13px;
  font-weight: 800;
}

.system-card p,
.featured-body p,
.resource-card p,
.application-item small,
.quality-metrics span,
.site-footer p {
  color: var(--color-text-secondary);
}

.system-card strong {
  display: inline-flex;
  margin-top: 14px;
  color: var(--color-primary);
  font-size: 14px;
}

.featured-section {
  padding: 96px 0;
}

.split-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 34px;
}

.split-heading h2 {
  max-width: 680px;
  margin-bottom: 0;
}

.text-link {
  display: inline-flex;
  min-width: max-content;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 800;
}

.text-link:hover {
  color: var(--color-primary-deep);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.featured-card {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  transition: transform var(--motion-base) var(--ease-standard),
    border-color var(--motion-base) var(--ease-standard),
    box-shadow var(--motion-base) var(--ease-standard);
}

.featured-card:hover {
  transform: translateY(-6px);
  border-color: rgba(26, 77, 46, 0.3);
  box-shadow: var(--shadow-hover);
}

.featured-card figure {
  display: grid;
  place-items: center;
  height: 210px;
  margin: 0;
  padding: 22px;
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
}

.featured-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--motion-slow) var(--ease-soft);
}

.featured-card:hover img {
  transform: scale(1.055);
}

.featured-body {
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  padding: 20px;
}

.featured-body h3 {
  min-height: 50px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-self: end;
  margin-top: 20px;
}

.tag-row em {
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  background: var(--color-primary-soft);
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
}

.app-layout,
.quality-layout,
.resource-layout,
.contact-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.application-list {
  display: grid;
  gap: 12px;
}

.application-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: center;
  min-height: 98px;
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: #fbfdfc;
  transition: transform var(--motion-base) var(--ease-standard),
    border-color var(--motion-base) var(--ease-standard),
    box-shadow var(--motion-base) var(--ease-standard);
}

.application-item:hover {
  transform: translateY(-3px);
  border-color: rgba(26, 77, 46, 0.3);
  box-shadow: var(--shadow-soft);
}

.application-item span {
  display: grid;
  grid-row: 1 / span 2;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  color: var(--color-primary);
  background: var(--color-primary-soft);
  font-weight: 850;
}

.application-item strong,
.application-item small {
  display: block;
  grid-column: 2;
}

.application-item strong {
  align-self: end;
  margin-bottom: 2px;
  font-size: 17px;
}

.application-item small {
  align-self: start;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.55;
}

.quality-section {
  padding: 96px 0;
  color: #ffffff;
  background: var(--color-primary-deep);
}

.quality-panel p,
.quality-panel .eyebrow {
  color: rgba(255, 255, 255, 0.78);
}

.quality-panel h2 {
  color: #ffffff;
}

.quality-metrics {
  display: grid;
  gap: 12px;
}

.quality-metrics div {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.06);
}

.quality-metrics strong {
  display: block;
  margin-bottom: 8px;
  font-size: 20px;
}

.quality-metrics span {
  color: rgba(255, 255, 255, 0.72);
}

.resource-card {
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.resource-card h3 {
  font-size: 28px;
}

.contact-section {
  padding: 76px 0;
}

.contact-panel {
  padding: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-media);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.contact-panel h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 4vw, 38px);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.about-main {
  background: var(--color-bg);
}

.about-hero {
  padding: 74px 0 86px;
}

.about-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: 54px;
  align-items: center;
}

.about-hero-copy h1 {
  max-width: 760px;
}

.about-visual {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(150px, 0.78fr);
  gap: 14px;
}

.about-visual-main,
.about-visual-grid figure {
  display: grid;
  place-items: center;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-media);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.about-visual-main {
  min-height: 444px;
  padding: 34px;
}

.about-visual-main img,
.about-visual-grid img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.about-visual-grid {
  display: grid;
  gap: 14px;
}

.about-visual-grid figure {
  min-height: 132px;
  padding: 18px;
}

.image-slot {
  display: grid;
  place-items: center;
  min-height: 260px;
  padding: 28px;
  border: 1px dashed rgba(26, 77, 46, 0.3);
  border-radius: var(--radius-media);
  color: var(--color-text-secondary);
  background: linear-gradient(135deg, #ffffff 0%, #eff7f1 100%);
  font-size: 15px;
  font-weight: 750;
  text-align: center;
}

.about-visual .image-slot {
  grid-column: 1 / -1;
  min-height: 92px;
}

.image-slot-dark {
  border-color: rgba(255, 255, 255, 0.24);
  color: rgba(255, 255, 255, 0.78);
  background: linear-gradient(135deg, var(--color-primary-deep), #28553b);
}

.about-media {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-media);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.about-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
  background: #ffffff;
}

.about-media-dark img {
  background: rgba(255, 255, 255, 0.06);
}

.about-media figcaption {
  padding: 14px 16px;
  color: var(--color-text-secondary);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
  background: rgba(255, 255, 255, 0.92);
  border-top: 1px solid var(--color-border);
}

.about-media-dark {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.about-media-dark figcaption {
  color: rgba(255, 255, 255, 0.76);
  background: rgba(255, 255, 255, 0.08);
  border-top-color: rgba(255, 255, 255, 0.14);
}

.about-band,
.about-serve {
  padding: 88px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-section {
  padding: 92px 0;
}

.about-split {
  display: grid;
  grid-template-columns: minmax(320px, 0.86fr) minmax(0, 1fr);
  gap: 54px;
  align-items: start;
}

.about-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.about-copy p {
  color: var(--color-text-secondary);
  font-size: 17px;
  line-height: 1.74;
}

.about-system-grid,
.serve-grid,
.about-two-panel {
  display: grid;
  gap: 16px;
}

.about-system-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.serve-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.about-system-card,
.serve-card,
.about-info-panel {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  transition: transform var(--motion-base) var(--ease-standard),
    border-color var(--motion-base) var(--ease-standard),
    box-shadow var(--motion-base) var(--ease-standard),
    background-color var(--motion-base) var(--ease-standard);
}

.about-system-card:hover {
  transform: translateY(-4px);
  border-color: rgba(26, 77, 46, 0.32);
  background: #fbfdfc;
  box-shadow: var(--shadow-hover);
}

.about-system-card span,
.serve-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 28px;
  margin-bottom: 24px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  background: var(--color-primary-soft);
  font-size: 13px;
  font-weight: 850;
}

.about-system-card p,
.serve-card p,
.about-info-panel p {
  color: var(--color-text-secondary);
}

.about-quality {
  padding: 96px 0;
  color: #ffffff;
  background: var(--color-primary-deep);
}

.about-quality h2,
.about-quality .about-copy p {
  color: #ffffff;
}

.about-quality .eyebrow {
  color: rgba(255, 255, 255, 0.76);
}

.about-quality-points {
  margin-top: 24px;
}

.about-info-panel {
  min-height: 300px;
  background: linear-gradient(180deg, #ffffff 0%, #f7fbf8 100%);
  box-shadow: var(--shadow-soft);
}

.site-footer {
  padding: 42px 0;
  color: rgba(255, 255, 255, 0.82);
  background: var(--color-primary-deep);
}

.footer-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-footer strong {
  display: block;
  margin-bottom: 8px;
  color: #ffffff;
  font-size: 18px;
}

.site-footer p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.68);
}

.site-footer span {
  display: block;
  text-align: right;
}

.placeholder-main {
  min-height: calc(100vh - 76px);
  padding: 74px 0 96px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 650;
}

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

.placeholder-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(280px, 0.48fr);
  gap: 34px;
  align-items: stretch;
  padding: 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-media);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.placeholder-hero h1 {
  margin-bottom: 18px;
  font-size: clamp(36px, 5vw, 54px);
}

.placeholder-hero p {
  max-width: 760px;
  color: var(--color-text-secondary);
  font-size: 18px;
  line-height: 1.72;
}

.placeholder-status {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-primary-soft);
}

.placeholder-status strong {
  display: block;
  margin-bottom: 8px;
  color: var(--color-primary);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.placeholder-status span {
  color: var(--color-text-secondary);
}

.placeholder-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.catalog-stack {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

.catalog-panel {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-media);
  background: linear-gradient(180deg, #ffffff 0%, #f7fbf8 100%);
  box-shadow: var(--shadow-soft);
}

.catalog-panel-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
  padding: 28px 30px 24px;
  border-bottom: 1px solid var(--color-border);
  background: #ffffff;
  transition: background var(--motion-base) var(--ease-standard);
}

.catalog-panel-header:hover {
  background: var(--color-primary-soft);
}

.catalog-panel-header h2 {
  margin: 6px 0 8px;
  font-size: clamp(28px, 3.5vw, 40px);
  line-height: 1.08;
}

.catalog-panel-header p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 16px;
}

.catalog-panel-header strong {
  justify-self: end;
  padding: 9px 12px;
  border: 1px solid rgba(26, 77, 46, 0.16);
  border-radius: 999px;
  color: var(--color-primary);
  background: #f7fbf8;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.catalog-product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 18px;
}

.catalog-product-card {
  min-height: 128px;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.88);
  transition: transform var(--motion-base) var(--ease-standard),
    border-color var(--motion-base) var(--ease-standard),
    box-shadow var(--motion-base) var(--ease-standard),
    background var(--motion-base) var(--ease-standard);
}

.catalog-product-card:hover {
  transform: translateY(-3px);
  border-color: rgba(26, 77, 46, 0.28);
  background: #ffffff;
  box-shadow: 0 14px 32px rgba(19, 47, 35, 0.1);
}

.catalog-product-card span {
  display: block;
  margin-bottom: 9px;
  color: var(--color-accent-green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.catalog-product-card h3 {
  margin-bottom: 10px;
  font-size: 18px;
  line-height: 1.22;
}

.catalog-product-card p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 14px;
}

.placeholder-card {
  min-height: 150px;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  transition: transform var(--motion-base) var(--ease-standard),
    border-color var(--motion-base) var(--ease-standard),
    box-shadow var(--motion-base) var(--ease-standard);
}

.placeholder-card:hover {
  transform: translateY(-3px);
  border-color: rgba(26, 77, 46, 0.28);
  box-shadow: var(--shadow-soft);
}

.placeholder-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--color-accent-green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.placeholder-card h2,
.placeholder-card h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.placeholder-card p {
  margin-bottom: 0;
  color: var(--color-text-secondary);
}

.placeholder-note {
  margin-top: 28px;
  padding: 18px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  color: var(--color-text-secondary);
  background: #ffffff;
}

.product-detail-main {
  background: var(--color-bg);
}

.product-detail-hero {
  padding: 74px 0 54px;
}

.product-detail-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(340px, 0.78fr);
  gap: 56px;
  align-items: center;
}

.product-cn-name {
  margin: -10px 0 22px;
  color: var(--color-text-secondary);
  font-size: 22px;
  font-weight: 650;
}

.product-hero-image,
.product-detail-media,
.product-wide-media {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-media);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.product-image-placeholder {
  display: grid;
  place-items: center;
  gap: 12px;
  padding: 34px;
  border-style: dashed;
  color: var(--color-text-secondary);
  text-align: center;
}

.product-image-placeholder strong {
  display: block;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-image-placeholder span {
  display: block;
  max-width: 560px;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.65;
}

.product-hero-image {
  display: grid;
  place-items: center;
  min-height: 560px;
  padding: 34px;
}

.product-hero-image img,
.product-detail-media img,
.product-wide-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-section {
  padding: 72px 0;
}

.product-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.product-kpi {
  min-height: 180px;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.product-kpi span,
.product-feature-card span {
  display: block;
  margin-bottom: 12px;
  color: var(--color-accent-green);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.product-kpi strong {
  display: block;
  margin-bottom: 10px;
  color: var(--color-primary);
  font-size: 36px;
  line-height: 1;
}

.product-kpi p,
.product-feature-card p,
.product-clinical p,
.product-bullet-list,
.usage-steps li {
  color: var(--color-text-secondary);
}

.product-feature-band {
  color: #ffffff;
  background: var(--color-primary-deep);
}

.product-feature-layout,
.product-use-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 44px;
  align-items: center;
}

.product-feature-copy h2,
.product-feature-copy p {
  color: #ffffff;
}

.product-feature-copy .eyebrow {
  color: rgba(255, 255, 255, 0.76);
}

.feature-list {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.feature-list div {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.07);
}

.feature-list strong,
.feature-list span {
  display: block;
}

.feature-list strong {
  margin-bottom: 6px;
  color: #ffffff;
}

.feature-list span {
  color: rgba(255, 255, 255, 0.74);
}

.product-wide-media {
  grid-column: 1 / -1;
  padding: 12px;
  background: rgba(255, 255, 255, 0.96);
}

.product-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.product-feature-card {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.product-use-layout {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr);
}

.product-bullet-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding-left: 20px;
}

.product-detail-media {
  display: grid;
  place-items: center;
  min-height: 460px;
  padding: 32px;
}

.product-spec-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.spec-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.spec-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
  font-size: 15px;
}

.spec-table th,
.spec-table td {
  padding: 16px 18px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.spec-table th {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.spec-table td:first-child {
  color: var(--color-text);
  font-weight: 750;
}

.spec-table tr:last-child td {
  border-bottom: 0;
}

.usage-steps {
  display: grid;
  grid-template-columns: minmax(260px, 0.48fr) minmax(0, 1fr);
  gap: 34px;
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-media);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.usage-steps h2 {
  margin-bottom: 0;
}

.usage-steps ol {
  display: grid;
  gap: 14px;
  margin: 0;
  padding-left: 22px;
}

.usage-steps li {
  padding-left: 6px;
}

.related-product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(30px) scale(0.985);
}

.reveal.is-visible {
  animation: fade-up 900ms var(--ease-reveal) forwards;
}

.reveal.delay-1.is-visible {
  animation-delay: 90ms;
}

@keyframes fade-up {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav,
  .header-actions {
    display: none;
  }

  .site-nav.is-open {
    position: absolute;
    top: 76px;
    right: 20px;
    left: 20px;
    display: grid;
    gap: 4px;
    padding: 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background: var(--color-surface);
    box-shadow: var(--shadow-hover);
  }

  .site-nav.is-open a {
    padding: 12px;
    border-radius: var(--radius-md);
  }

  .site-nav.is-open a:hover {
    background: var(--color-primary-soft);
  }

  .hero,
  .about-hero-layout,
  .about-split,
  .product-detail-hero-grid,
  .product-feature-layout,
  .product-use-layout,
  .usage-steps,
  .app-layout,
  .quality-layout,
  .resource-layout,
  .contact-panel,
  .placeholder-hero {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 36px;
    padding-top: 58px;
  }

  .system-grid,
  .featured-grid,
  .placeholder-grid,
  .catalog-product-grid,
  .about-system-grid,
  .serve-grid,
  .about-two-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-visual {
    grid-template-columns: minmax(0, 1fr) minmax(180px, 0.7fr);
  }

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

  .catalog-panel-header {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .catalog-panel-header strong {
    justify-self: start;
  }

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .section-shell {
    width: min(100% - 32px, 1180px);
  }

  .site-header {
    min-height: 68px;
    padding: 0 16px;
  }

  .brand small {
    display: none;
  }

  .site-nav.is-open {
    top: 68px;
    right: 16px;
    left: 16px;
  }

  .hero {
    padding: 44px 0 56px;
  }

  .about-hero {
    padding: 44px 0 64px;
  }

  .hero-actions,
  .contact-actions {
    display: grid;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .hero-proof {
    display: grid;
  }

  .hero-visual {
    grid-template-columns: 1fr;
    grid-auto-rows: 198px;
  }

  .about-visual,
  .about-system-grid,
  .serve-grid,
  .about-two-panel,
  .product-kpi-grid,
  .product-feature-grid,
  .related-product-grid {
    grid-template-columns: 1fr;
  }

  .product-detail-hero {
    padding: 44px 0 50px;
  }

  .product-hero-image,
  .product-detail-media {
    min-height: 320px;
  }

  .product-section {
    padding: 58px 0;
  }

  .about-visual-main {
    min-height: 280px;
  }

  .about-split {
    grid-template-columns: 1fr;
  }

  .tile-main {
    grid-row: span 1;
  }

  .systems-section,
  .applications-section,
  .resources-section,
  .featured-section,
  .quality-section,
  .about-band,
  .about-serve,
  .about-section,
  .about-quality {
    padding: 68px 0;
  }

  .system-grid,
  .featured-grid,
  .placeholder-grid,
  .catalog-product-grid {
    grid-template-columns: 1fr;
  }

  .catalog-panel-header {
    padding: 24px 22px 20px;
  }

  .catalog-product-grid {
    padding: 14px;
  }

  .system-card {
    min-height: 0;
  }

  .about-system-card,
  .serve-card,
  .about-info-panel {
    min-height: 0;
  }

  .split-heading,
  .footer-layout {
    display: grid;
    gap: 18px;
  }

  .featured-body h3 {
    min-height: auto;
  }

  .application-item {
    grid-template-columns: 1fr;
  }

  .application-item span,
  .application-item strong,
  .application-item small {
    grid-column: auto;
    grid-row: auto;
  }

  .site-footer span {
    text-align: left;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}