@import url("/css/purui-reference.css?v=20260908-grid1");
@import url("/css/lang-dropdown.css");
@import url("https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Inter:wght@400;500;600;700;800&display=swap");

:root {
  --en-dark: #0c1222;
  --en-slate: #1e293b;
  --en-muted: #64748b;
  --en-line: #e2e8f0;
  --en-bg: #f8fafc;
  --en-accent: #ea580c;
  --en-accent-hover: #c2410c;
  --en-blue: #2563eb;
  --en-max: 1280px;
  --en-radius: 8px;
  --en-font: "Inter", system-ui, sans-serif;
  --en-display: "DM Sans", "Inter", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--en-font);
  color: var(--en-slate);
  background: #fff;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; height: auto; }
ul { margin: 0; padding: 0; list-style: none; }

.en-container {
  width: min(var(--en-max), calc(100% - 48px));
  margin: 0 auto;
}

/* ── Header ── */
.en-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--en-dark);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.en-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.en-logo img {
  height: 38px;
  width: auto;
  max-width: 280px;
  object-fit: contain;
}
.en-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.5vw, 36px);
  flex-wrap: nowrap;
}
.en-nav a {
  color: rgba(255,255,255,.78);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  white-space: nowrap;
  transition: color .2s;
}
.en-nav a:hover,
.en-nav a.active { color: #fff; }
.en-nav a.active { position: relative; }
.en-nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -8px;
  height: 2px;
  background: var(--en-accent);
}
.en-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.en-menu-btn {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}
.en-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  margin: 5px 0;
  transition: .2s;
}

/* ── Buttons ── */
.en-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  border-radius: var(--en-radius);
  transition: .25s ease;
  border: 2px solid transparent;
  cursor: pointer;
  font-family: inherit;
}
.en-btn--primary {
  background: var(--en-accent);
  color: #fff;
  border-color: var(--en-accent);
}
.en-btn--primary:hover {
  background: var(--en-accent-hover);
  border-color: var(--en-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(234,88,12,.35);
}
.en-btn--outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.5);
}
.en-btn--outline:hover {
  background: #fff;
  color: var(--en-dark);
  border-color: #fff;
}
.en-btn--dark {
  background: var(--en-dark);
  color: #fff;
  border-color: var(--en-dark);
}
.en-btn--dark:hover {
  background: var(--en-slate);
  transform: translateY(-2px);
}
.en-btn--ghost {
  background: transparent;
  color: var(--en-accent);
  border-color: var(--en-accent);
  padding: 12px 0;
  border: none;
  border-bottom: 2px solid var(--en-accent);
  border-radius: 0;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 700;
}
.en-btn--ghost:hover { color: var(--en-accent-hover); border-color: var(--en-accent-hover); }
.en-btn--sm { padding: 10px 20px; font-size: 13px; }

/* ── Hero (homepage) ── */
.en-hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background: var(--en-dark);
  overflow: hidden;
}
.en-hero-bg {
  position: absolute;
  inset: 0;
  background: url("../../assets/backgrounds/strength-bg-industrial.jpg") center/cover no-repeat;
  opacity: .45;
}
.en-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(12,18,34,.95) 0%, rgba(12,18,34,.75) 45%, rgba(12,18,34,.4) 100%);
}
.en-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 100px 0 80px;
}
.en-hero-label {
  display: inline-block;
  margin-bottom: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--en-accent);
}
.en-hero h1 {
  margin: 0 0 24px;
  font-family: var(--en-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.03em;
  color: #fff;
}
.en-hero-lead {
  margin: 0 0 36px;
  font-size: 18px;
  line-height: 1.75;
  color: rgba(255,255,255,.72);
  max-width: 520px;
}
.en-hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.en-hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.en-hero-visual img {
  max-height: min(520px, 55vh);
  width: auto;
  filter: drop-shadow(0 40px 80px rgba(0,0,0,.5));
}
.en-hero-badge {
  position: absolute;
  bottom: 24px;
  left: 0;
  padding: 20px 24px;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--en-radius);
}
.en-hero-badge strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
}
.en-hero-badge span { font-size: 13px; color: rgba(255,255,255,.6); }

/* ── Trust bar ── */
.en-trust {
  background: #fff;
  border-bottom: 1px solid var(--en-line);
  padding: 32px 0;
}
.en-trust-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  text-align: center;
}
.en-trust strong {
  display: block;
  font-family: var(--en-display);
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 800;
  color: var(--en-dark);
  letter-spacing: -.02em;
}
.en-trust span {
  font-size: 13px;
  color: var(--en-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ── Section common ── */
.en-section { padding: 100px 0; }
.en-section--gray { background: var(--en-bg); }
.en-section--dark {
  background: var(--en-dark);
  color: #fff;
}
.en-section-head {
  margin-bottom: 56px;
  max-width: 640px;
}
.en-section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.en-eyebrow {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--en-accent);
}
.en-section--dark .en-eyebrow { color: var(--en-accent); }
.en-section-head h2 {
  margin: 0 0 16px;
  font-family: var(--en-display);
  font-size: clamp(32px, 3.5vw, 44px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.15;
  color: var(--en-dark);
}
.en-section--dark .en-section-head h2 { color: #fff; }
.en-section-lead {
  margin: 0;
  font-size: 17px;
  color: var(--en-muted);
  line-height: 1.75;
}
.en-section--dark .en-section-lead { color: rgba(255,255,255,.65); }
.en-section-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

/* ── Product cards ── */
.en-product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.en-product-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0;
  background: #fff;
  border: 1px solid var(--en-line);
  border-radius: var(--en-radius);
  overflow: hidden;
  transition: .3s ease;
}
.en-product-card:hover {
  border-color: transparent;
  box-shadow: 0 24px 48px rgba(15,23,42,.12);
  transform: translateY(-4px);
}
.en-product-card-media {
  background: var(--en-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.en-product-card-media img {
  max-height: 160px;
  object-fit: contain;
}
.en-product-card-body {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.en-product-card-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--en-accent);
  margin-bottom: 8px;
}
.en-product-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--en-dark);
}
.en-product-card p {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--en-muted);
  line-height: 1.65;
}

/* ── Industry tiles ── */
.en-industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.en-industry-tile {
  position: relative;
  border-radius: var(--en-radius);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.en-industry-tile img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.en-industry-tile:hover img { transform: scale(1.06); }
.en-industry-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(12,18,34,.92) 100%);
}
.en-industry-tile-content {
  position: relative;
  z-index: 1;
  padding: 28px;
  color: #fff;
}
.en-industry-tile h3 {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 700;
}
.en-industry-tile p {
  margin: 0 0 12px;
  font-size: 14px;
  opacity: .8;
  line-height: 1.6;
}
.en-industry-tile .en-link-arrow {
  font-size: 13px;
  font-weight: 700;
  color: var(--en-accent);
}

/* ── Split feature ── */
.en-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.en-split--reverse .en-split-media { order: 2; }
.en-split-media {
  border-radius: var(--en-radius);
  overflow: hidden;
}
.en-split-media img {
  width: 100%;
  min-height: 400px;
  object-fit: cover;
}
.en-split-copy h2 {
  margin: 0 0 20px;
  font-family: var(--en-display);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--en-dark);
}
.en-split-copy p {
  margin: 0 0 16px;
  color: var(--en-muted);
  line-height: 1.8;
}
.en-check-list { margin: 28px 0 0; }
.en-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--en-line);
  font-size: 15px;
  font-weight: 500;
  color: var(--en-slate);
}
.en-check-list li::before {
  content: "";
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  background: var(--en-accent);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l5 5L19 7'/%3E%3C/svg%3E") center/contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l5 5L19 7'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ── Service pillars ── */
.en-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--en-line);
  border: 1px solid var(--en-line);
  border-radius: var(--en-radius);
  overflow: hidden;
}
.en-pillar {
  background: #fff;
  padding: 36px 28px;
  transition: .25s;
}
.en-pillar:hover { background: var(--en-bg); }
.en-pillar-num {
  font-family: var(--en-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--en-line);
  line-height: 1;
  margin-bottom: 16px;
}
.en-pillar h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--en-dark);
}
.en-pillar p {
  margin: 0;
  font-size: 14px;
  color: var(--en-muted);
  line-height: 1.65;
}

/* ── CTA band ── */
.en-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--en-accent) 0%, #c2410c 100%);
  text-align: center;
}
.en-cta h2 {
  margin: 0 0 12px;
  font-family: var(--en-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  color: #fff;
}
.en-cta p {
  margin: 0 0 32px;
  font-size: 17px;
  color: rgba(255,255,255,.88);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.en-cta .en-btn--outline {
  border-color: #fff;
  color: #fff;
}
.en-cta .en-btn--outline:hover {
  background: #fff;
  color: var(--en-accent);
}

/* ── Footer ── */
.en-footer {
  background: var(--en-dark);
  color: rgba(255,255,255,.7);
  padding: 72px 0 0;
}
.en-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.en-footer-brand img {
  height: 40px;
  margin-bottom: 20px;
  opacity: .95;
}
.en-footer-brand p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  max-width: 300px;
}
.en-footer h4 {
  margin: 0 0 20px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #fff;
}
.en-footer ul li { margin-bottom: 10px; }
.en-footer a {
  font-size: 14px;
  color: rgba(255,255,255,.65);
  transition: color .2s;
}
.en-footer a:hover { color: #fff; }
.en-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}
.en-footer-bottom a { color: rgba(255,255,255,.55); }
.en-footer-bottom a:hover { color: #fff; }

/* ── Inner page hero ── */
.en-page-hero {
  padding: 80px 0 64px;
  background: var(--en-dark);
  color: #fff;
}
.en-page-hero .en-eyebrow { color: var(--en-accent); }
.en-page-hero h1 {
  margin: 0 0 16px;
  font-family: var(--en-display);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -.02em;
}
.en-page-hero p {
  margin: 0;
  font-size: 18px;
  color: rgba(255,255,255,.7);
  max-width: 640px;
  line-height: 1.75;
}
.en-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}
.en-breadcrumb a { color: rgba(255,255,255,.7); }
.en-breadcrumb a:hover { color: #fff; }

/* ── Spec table ── */
.en-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  border: 1px solid var(--en-line);
  border-radius: var(--en-radius);
  overflow: hidden;
}
.en-spec-table th,
.en-spec-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--en-line);
}
.en-spec-table th {
  width: 36%;
  background: var(--en-bg);
  color: var(--en-muted);
  font-weight: 600;
}
.en-spec-table tr:last-child th,
.en-spec-table tr:last-child td { border-bottom: 0; }

/* ── Contact ── */
.en-contact-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) 1.15fr;
  gap: 56px;
  align-items: start;
}
.en-contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.en-contact-card {
  display: block;
  padding: 22px 26px;
  border: 1px solid var(--en-line);
  border-radius: var(--en-radius);
  background: #fff;
  text-decoration: none;
  color: inherit;
  transition: border-color .2s, box-shadow .2s;
}
a.en-contact-card:hover {
  border-color: var(--en-accent);
  box-shadow: 0 8px 24px rgba(15, 23, 42, .06);
}
.en-contact-card strong {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--en-accent);
  margin: 0 0 10px;
}
.en-contact-card span {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--en-dark);
  line-height: 1.55;
  word-break: break-word;
}
.en-contact-photo {
  width: 100%;
  margin-top: 8px;
  border-radius: var(--en-radius);
  border: 1px solid var(--en-line);
  object-fit: cover;
  aspect-ratio: 16 / 10;
}
.en-form {
  padding: 36px 40px;
  border: 1px solid var(--en-line);
  border-radius: var(--en-radius);
  background: #fff;
}
.en-form h2 {
  margin: 0 0 8px;
  font-family: var(--en-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--en-dark);
}
.en-form-intro {
  margin: 0 0 28px;
  color: var(--en-muted);
  font-size: 14px;
  line-height: 1.6;
}
.en-form label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--en-slate);
}
.en-form input,
.en-form textarea,
.en-form select {
  width: 100%;
  padding: 14px 16px;
  margin-bottom: 20px;
  border: 1px solid var(--en-line);
  border-radius: var(--en-radius);
  font-family: inherit;
  font-size: 15px;
  transition: border-color .2s;
}
.en-form input:focus,
.en-form textarea:focus,
.en-form select:focus {
  outline: none;
  border-color: var(--en-accent);
}
.en-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.en-form-row > div { min-width: 0; }

/* ── Reveal animation ── */
.en-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.en-reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Responsive ── */
@media (max-width: 1100px) {
  .en-hero-grid,
  .en-split,
  .en-contact-grid { grid-template-columns: 1fr; }
  .en-hero-visual { order: -1; }
  .en-hero-visual img { max-height: 360px; }
  .en-hero-badge { display: none; }
  .en-product-grid { grid-template-columns: 1fr; }
  .en-industry-grid { grid-template-columns: repeat(2, 1fr); }
  .en-pillars { grid-template-columns: repeat(2, 1fr); }
  .en-footer-grid { grid-template-columns: 1fr 1fr; }
  .en-trust-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .en-nav {
    display: none;
    position: fixed;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    background: var(--en-dark);
    border-bottom: 1px solid rgba(255,255,255,.08);
    gap: 0;
  }
  .en-nav.open { display: flex; }
  .en-nav a {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,.06);
  }
  .en-nav a.active::after { display: none; }
  .en-menu-btn { display: block; }
  .en-industry-grid,
  .en-pillars,
  .en-trust-grid,
  .en-footer-grid { grid-template-columns: 1fr; }
  .en-product-card { grid-template-columns: 1fr; }
  .en-section { padding: 72px 0; }
  .en-form-row { grid-template-columns: 1fr; }
}