:root {
  --ink: #14213d;
  --muted: #667085;
  --blue: #174ea6;
  --blue-dark: #0f3475;
  --cyan: #21b6c7;
  --line: #dde5f2;
  --soft: #f3f7fc;
  --white: #ffffff;
  --shadow: 0 18px 60px rgba(20, 33, 61, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--blue-dark);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--white);
  background: var(--blue);
  border-radius: 8px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #334155;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  padding: 8px 0;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  background: #eef5ff;
  border: 1px solid #d4e4fb;
  border-radius: 999px;
}

.language-switch a {
  padding: 3px 5px;
  color: var(--blue-dark);
  font-size: 12px;
}

.language-switch a[aria-current="page"] {
  color: var(--white);
  background: var(--blue);
  border-radius: 999px;
}

.nav-cta {
  padding: 10px 16px !important;
  color: var(--white);
  background: var(--blue);
  border-radius: 6px;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 6px;
  padding: 9px 12px;
  color: var(--ink);
  font-weight: 700;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  padding: clamp(42px, 8vw, 96px) clamp(20px, 5vw, 72px) 64px;
  overflow: hidden;
  background:
    linear-gradient(110deg, rgba(23, 78, 166, 0.08), rgba(33, 182, 199, 0.06) 52%, transparent 52%),
    var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.2;
}

.hero-lede {
  max-width: 720px;
  margin: 24px 0 0;
  color: #475467;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  cursor: pointer;
}

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

.button.secondary {
  color: var(--blue);
  background: var(--white);
  border-color: #b6c8e8;
}

.proof-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.direct-contact {
  margin: 18px 0 0;
  color: #475467;
  font-size: 14px;
  font-weight: 700;
}

.direct-contact a {
  color: var(--blue);
}

.proof-strip span,
.badge-row span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 7px 11px;
  color: var(--blue-dark);
  background: #eaf2ff;
  border: 1px solid #cfe0fa;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.hero-visual {
  position: relative;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 16px -16px -16px 16px;
  z-index: -1;
  background: var(--blue-dark);
  border-radius: 8px;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 7.2;
  object-fit: cover;
}

.section {
  padding: 74px clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 920px;
  margin-bottom: 34px;
}

.section-heading.split {
  display: grid;
  max-width: none;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 28px;
  align-items: end;
}

.section-heading.split p:last-child {
  margin: 0;
  color: var(--muted);
}

.solution-band {
  background: var(--soft);
}

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

.solution-grid article,
.compliance-card,
.faq-grid article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.solution-grid article {
  padding: 24px;
}

.step {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--cyan);
  font-weight: 900;
}

.solution-grid p,
.product-content p,
.compliance-card p,
.quote-section p {
  color: var(--muted);
}

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

.product-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

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

.product-card img {
  width: 100%;
  aspect-ratio: 16 / 8.4;
  object-fit: cover;
  background: #eef2f7;
  border-bottom: 1px solid var(--line);
}

.product-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px;
}

.model {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
}

.product-content p:not(.model) {
  margin: 12px 0 18px;
}

dl {
  display: grid;
  gap: 1px;
  margin: auto 0 0;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 6px;
}

dl div {
  display: grid;
  grid-template-columns: 112px 1fr;
  background: var(--white);
}

dt,
dd {
  margin: 0;
  padding: 9px 10px;
  font-size: 13px;
}

dt {
  color: #344054;
  font-weight: 800;
}

dd {
  color: #101828;
}

.markets {
  background: #0f2348;
  color: var(--white);
}

.markets .eyebrow,
.markets h2 {
  color: var(--white);
}

.market-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.tab {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 10px 15px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  font-weight: 800;
  cursor: pointer;
}

.tab.active {
  color: var(--blue-dark);
  background: var(--white);
}

.market-panel {
  max-width: 920px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
}

.market-panel p,
.market-panel li {
  color: #d7e3f8;
}

.market-panel ul {
  display: grid;
  gap: 8px;
  padding-left: 20px;
}

.video-section {
  background: var(--white);
}

.video-card,
.technical-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
  gap: 28px;
  align-items: center;
}

.video-preview {
  position: relative;
  overflow: hidden;
  background: #eef2f7;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.video-preview img {
  width: 100%;
  aspect-ratio: 16 / 8.4;
  object-fit: cover;
  filter: saturate(0.94);
}

.video-preview span {
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 8px 12px;
  color: var(--white);
  background: rgba(10, 24, 52, 0.88);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
}

.video-copy {
  display: grid;
  gap: 18px;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.compliance {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(320px, 1fr);
  gap: 36px;
  align-items: start;
}

.compliance-card {
  padding: 28px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.support-section {
  background: var(--white);
}

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

.support-grid article,
.technical-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.support-grid article {
  padding: 24px;
}

.support-grid p,
.technical-card p {
  color: var(--muted);
}

.faq-section {
  background: var(--soft);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.faq-grid article {
  padding: 22px;
}

.faq-grid h3 {
  color: var(--blue-dark);
}

.faq-grid p {
  margin: 12px 0 0;
  color: var(--muted);
}

.technical-pack {
  background: var(--soft);
}

.technical-card {
  padding: 30px;
}

.technical-card > div:first-child {
  max-width: 720px;
}

.pack-list {
  display: grid;
  gap: 18px;
}

.checklist-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 36px;
  align-items: center;
  background: var(--soft);
}

.checklist-panel {
  display: grid;
  gap: 10px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.checklist-panel span {
  color: var(--muted);
}

.checklist-section {
  background: var(--white);
}

.soft-band {
  background: var(--soft);
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.checklist-grid article {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.compact-quote {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
}

.quote-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(340px, 0.72fr);
  gap: 48px;
  align-items: start;
  padding: 80px clamp(20px, 5vw, 72px);
  color: var(--white);
  background:
    linear-gradient(rgba(13, 45, 99, 0.92), rgba(13, 45, 99, 0.92)),
    url("assets/hero-building.webp") center / cover;
}

.quote-section .eyebrow,
.quote-section h2 {
  color: var(--white);
}

.quote-section p {
  max-width: 650px;
  color: #d9e7ff;
}

.contact-stack {
  display: grid;
  gap: 9px;
  margin-top: 24px;
}

.contact-stack a,
.contact-stack span {
  color: var(--white);
  font-weight: 800;
}

.quote-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  color: var(--ink);
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 7px;
  color: #344054;
  font-size: 14px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cfd8e6;
  border-radius: 6px;
  padding: 12px 12px;
  color: var(--ink);
  font: inherit;
}

textarea {
  resize: vertical;
}

.form-note {
  margin: 0;
  color: var(--muted) !important;
  font-size: 13px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: #d8e4f8;
  background: #0a1834;
}

@media (max-width: 1020px) {
  .hero,
  .video-card,
  .checklist-hero,
  .quote-section,
  .compliance,
  .compact-quote,
  .technical-card,
  .section-heading.split {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .faq-grid,
  .solution-grid,
  .checklist-grid,
  .support-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    inset: 66px 20px auto 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 12px;
  }

  .language-switch {
    justify-content: center;
    margin: 6px 0;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 38px;
  }

  h1 {
    font-size: 40px;
  }

  .hero-visual::before {
    display: none;
  }

  .product-grid,
  .product-card.featured,
  .faq-grid,
  .solution-grid,
  .checklist-grid,
  .support-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  dl div {
    grid-template-columns: 100px 1fr;
  }
}
