:root {
  --ink: #111827;
  --muted: #5b6472;
  --line: #dde3ea;
  --paper: #f6f8fb;
  --white: #ffffff;
  --blue: #0a4f8f;
  --blue-dark: #07345f;
  --cyan: #16a3b8;
  --red: #c5392f;
  --steel: #263746;
  --shadow: 0 18px 50px rgba(17, 24, 39, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  background: var(--white);
  line-height: 1.55;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 64px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--white);
  background: rgba(7, 23, 38, 0.58);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.brand-logo {
  width: 88px;
  height: 38px;
  object-fit: contain;
  padding: 4px 6px;
  background: rgba(255, 255, 255, 0.92);
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  opacity: 0.9;
}

.site-nav a:hover {
  opacity: 1;
}

.nav-group {
  position: relative;
  padding: 22px 0;
}

.nav-menu {
  position: absolute;
  top: 100%;
  left: -18px;
  display: none;
  width: 300px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(7, 17, 28, 0.98);
  box-shadow: var(--shadow);
}

.nav-group:hover .nav-menu,
.nav-group:focus-within .nav-menu {
  display: grid;
}

.nav-menu a {
  padding: 11px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.88);
  font-weight: 700;
}

.nav-menu a:last-child {
  border-bottom: 0;
}

.nav-quote {
  padding: 11px 15px;
  color: var(--white);
  background: var(--red);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--white);
  background: transparent;
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}

.page-hero {
  position: relative;
  min-height: 420px;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 150px clamp(18px, 5vw, 80px) 70px;
  color: var(--white);
  background: var(--steel);
}

.page-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6, 16, 29, 0.88), rgba(6, 16, 29, 0.45));
}

.page-hero-content {
  position: relative;
  z-index: 1;
  width: min(980px, 100%);
}

.page-hero h1 {
  max-width: 980px;
  font-size: clamp(38px, 5vw, 64px);
}

.page-hero p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
}

.hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 16, 29, 0.88) 0%, rgba(6, 16, 29, 0.62) 42%, rgba(6, 16, 29, 0.18) 100%),
    linear-gradient(0deg, rgba(6, 16, 29, 0.72) 0%, rgba(6, 16, 29, 0.02) 42%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(900px, calc(100% - 36px));
  margin: 86px 0 132px clamp(18px, 7vw, 110px);
}

.hero-product {
  position: absolute;
  z-index: 1;
  right: clamp(28px, 6vw, 96px);
  bottom: 130px;
  width: min(34vw, 520px);
  padding: 14px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow);
}

.hero-product img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--red);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffb6aa;
}

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

h1 {
  max-width: 850px;
  margin-bottom: 24px;
  font-size: clamp(42px, 5.2vw, 66px);
  line-height: 1.02;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.08;
}

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

.hero-copy {
  max-width: 780px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(17px, 2vw, 21px);
}

.hero-tags,
.spec-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-tags {
  margin-top: 22px;
}

.hero-tags span {
  padding: 8px 11px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 800;
}

.spec-tags {
  padding: 0 22px 16px;
}

.spec-tags span {
  padding: 6px 9px;
  color: var(--blue-dark);
  background: #e7f2f7;
  font-size: 12px;
  font-weight: 800;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
}

.button svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.button.primary {
  color: var(--white);
  background: var(--red);
}

.button.ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.08);
}

.button.light {
  color: var(--blue-dark);
  background: var(--white);
  border-color: var(--line);
}

.hero-metrics {
  position: absolute;
  left: clamp(18px, 7vw, 110px);
  right: clamp(18px, 7vw, 110px);
  bottom: 34px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.24);
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
}

.hero-metrics div {
  min-height: 92px;
  padding: 18px 22px;
  border-right: 1px solid rgba(255, 255, 255, 0.24);
}

.hero-metrics div:last-child {
  border-right: 0;
}

.hero-metrics strong {
  display: block;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1;
}

.hero-metrics span {
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
}

.section {
  padding: clamp(74px, 9vw, 120px) clamp(18px, 5vw, 80px);
}

.section-head {
  width: min(920px, 100%);
  margin-bottom: 34px;
}

.section-head h2 {
  max-width: 900px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: start;
}

.intro-copy {
  color: var(--muted);
  font-size: 18px;
}

.proof-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
}

.proof-strip div {
  min-height: 120px;
  padding: 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-weight: 700;
}

.proof-strip div:nth-child(2n) {
  border-right: 0;
}

.proof-strip div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.proof-strip span {
  display: block;
  color: var(--blue);
  font-size: 30px;
  font-weight: 900;
}

.products,
.quality {
  background: var(--paper);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.page-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.filter-bar span {
  padding: 10px 13px;
  border: 1px solid var(--line);
  color: var(--blue-dark);
  background: var(--white);
  font-size: 13px;
  font-weight: 800;
}

.text-card {
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--white);
}

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

.text-card svg {
  width: 30px;
  height: 30px;
  margin-bottom: 18px;
  color: var(--blue);
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
}

.detail-main {
  min-width: 0;
}

.detail-main > img {
  width: 100%;
  max-height: 460px;
  object-fit: contain;
  margin-bottom: 28px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.detail-main p {
  color: var(--muted);
  font-size: 18px;
}

.spec-table {
  width: 100%;
  margin-top: 26px;
  border-collapse: collapse;
  border: 1px solid var(--line);
}

.spec-table th,
.spec-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 34%;
  color: var(--blue-dark);
  background: var(--paper);
}

.sidebar-panel {
  position: sticky;
  top: 92px;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.sidebar-panel ul {
  padding-left: 18px;
  color: var(--muted);
}

.sidebar-panel .button {
  width: 100%;
  margin-top: 16px;
}

.link-list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.link-list a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  color: var(--blue-dark);
  background: var(--white);
  font-weight: 800;
}

.application-row {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 28px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.application-row h3 {
  margin: 0;
}

.application-row p {
  color: var(--muted);
}

.application-row ul {
  margin-bottom: 0;
  color: var(--muted);
}

.contact-page {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(28px, 6vw, 86px);
  align-items: start;
}

.contact-info {
  display: grid;
  gap: 16px;
}

.contact-info div {
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--white);
}

.contact-info strong {
  display: block;
  margin-bottom: 6px;
}

.contact-form-panel {
  padding: 28px;
  color: var(--white);
  background: #101923;
}

.contact-form-panel .inquiry-form {
  grid-template-columns: 1fr 1fr;
}

.contact-form-panel h2 {
  margin-bottom: 18px;
  font-size: 28px;
}

.compact-form {
  margin-bottom: 28px;
}

.compact-form label:nth-child(4),
.compact-form button {
  grid-column: 1 / -1;
}

.form-divider {
  height: 1px;
  margin: 34px 0;
  border: 0;
  background: rgba(255, 255, 255, 0.18);
}

.form-note {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.product-card,
.case-card,
.quality-item {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(17, 24, 39, 0.04);
}

.product-card {
  min-height: 100%;
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #edf1f5;
}

.product-card h3,
.product-card p,
.product-card ul {
  padding-left: 22px;
  padding-right: 22px;
}

.product-card h3 {
  padding-top: 20px;
}

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

.product-card ul {
  margin: 0 0 22px;
  color: var(--muted);
}

.product-card.featured {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
}

.product-card.featured img {
  width: calc(100% - 44px);
  height: 320px;
  margin: 0 22px 22px;
  aspect-ratio: auto;
  object-fit: contain;
  background: #f3f6f9;
  border: 1px solid var(--line);
}

.featured-copy {
  padding-bottom: 4px;
}

.solution-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.solution-list a {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 118px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 18px;
  font-weight: 800;
}

.solution-list svg {
  width: 28px;
  height: 28px;
  color: var(--red);
  flex: 0 0 auto;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  min-height: 680px;
  background: var(--steel);
  color: var(--white);
}

.split-media img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
}

.split-content {
  align-self: center;
  padding: clamp(46px, 6vw, 86px);
}

.split-content p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
}

.process-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 28px;
}

.process-grid span {
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 800;
}

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

.quality-item {
  padding: 28px;
}

.quality-item svg {
  width: 32px;
  height: 32px;
  margin-bottom: 18px;
  color: var(--blue);
}

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

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.case-card img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

.case-card > div {
  padding: 22px;
}

.case-type {
  margin-bottom: 8px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

dl {
  margin: 18px 0 0;
}

dl div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
  font-weight: 800;
  text-align: right;
}

.export {
  padding-top: 0;
}

.export-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 30px;
  align-items: center;
  padding: clamp(34px, 5vw, 60px);
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
}

.export-panel h2 {
  margin-bottom: 0;
}

.export-copy {
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(28px, 6vw, 86px);
  padding: clamp(74px, 9vw, 120px) clamp(18px, 5vw, 80px);
  background: #101923;
  color: var(--white);
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.76);
  font-size: 18px;
}

.inquiry-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 800;
}

.inquiry-form label:nth-child(5),
.inquiry-form button {
  grid-column: 1 / -1;
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 0;
  padding: 14px 13px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
}

textarea {
  min-height: 112px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.48);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px clamp(18px, 5vw, 80px);
  color: rgba(255, 255, 255, 0.78);
  background: #07111c;
}

.site-footer p {
  margin: 6px 0 0;
}

.site-footer a {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: var(--white);
}

.mobile-cta {
  display: none;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 18px 18px;
    background: rgba(7, 17, 28, 0.96);
  }

  .nav-group {
    padding: 0;
  }

  .nav-menu {
    position: static;
    display: grid;
    width: 100%;
    padding: 0 0 0 14px;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .nav-menu a {
    padding: 11px 0;
  }

  .nav-quote {
    margin-top: 12px;
    text-align: center;
  }

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

  .site-nav a {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .hero {
    min-height: 920px;
    align-items: end;
  }

  .hero-content {
    margin-bottom: 360px;
  }

  .hero-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .hero-product {
    right: 24px;
    bottom: 250px;
    width: min(42vw, 380px);
  }

  .hero-metrics div:nth-child(2n) {
    border-right: 0;
  }

  .hero-metrics div:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.24);
  }

  .intro-grid,
  .split-section,
  .export-panel,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .solution-list,
  .quality-grid,
  .case-grid,
  .page-grid {
    grid-template-columns: 1fr 1fr;
  }

  .detail-layout,
  .application-row,
  .contact-page {
    grid-template-columns: 1fr;
  }

  .sidebar-panel {
    position: static;
  }

  .product-card.featured {
    grid-column: span 2;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 66px;
  }

  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  .site-nav {
    top: 66px;
  }

  .hero {
    min-height: 980px;
  }

  .hero-content {
    width: calc(100% - 32px);
    margin-left: 16px;
    margin-top: 90px;
    margin-bottom: 380px;
  }

  .hero-product {
    display: none;
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .hero-metrics {
    left: 16px;
    right: 16px;
    bottom: 20px;
    grid-template-columns: 1fr;
  }

  .hero-metrics div {
    min-height: 74px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.24);
  }

  .hero-metrics div:last-child {
    border-bottom: 0;
  }

  .product-grid,
  .solution-list,
  .quality-grid,
  .case-grid,
  .page-grid,
  .proof-strip,
  .process-grid,
  .inquiry-form,
  .contact-form-panel .inquiry-form {
    grid-template-columns: 1fr;
  }

  .product-card.featured {
    grid-column: span 1;
  }

  .product-card.featured img {
    height: 240px;
  }

  .proof-strip div,
  .proof-strip div:nth-child(2n),
  .proof-strip div:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof-strip div:last-child {
    border-bottom: 0;
  }

  .split-media img {
    min-height: 360px;
  }

  .inquiry-form label:nth-child(5),
  .inquiry-form button {
    grid-column: auto;
  }

  .mobile-cta {
    position: fixed;
    z-index: 30;
    left: 0;
    right: 0;
    bottom: 0;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    background: #07111c;
    box-shadow: 0 -10px 30px rgba(7, 17, 28, 0.2);
  }

  .mobile-cta a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    color: var(--white);
    border-right: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 13px;
    font-weight: 800;
  }

  .mobile-cta a:last-child {
    border-right: 0;
    background: var(--red);
  }

  body {
    padding-bottom: 52px;
  }
}