:root {
  --blue: #005dac;
  --blue-deep: #06386b;
  --cyan: #3db0fc;
  --sky: #e7f6ff;
  --amber: #f7c948;
  --coral: #df5b43;
  --ink: #172033;
  --muted: #657085;
  --line: #dce5ef;
  --paper: #ffffff;
  --soft: #f5f8fb;
  --shadow: 0 20px 55px rgba(10, 34, 66, 0.14);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
}

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(220, 229, 239, 0.88);
  backdrop-filter: blur(16px);
}

.topbar {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 8px 20px;
  background: var(--blue);
  color: #fff;
  font-size: 13px;
}

.nav-shell {
  width: min(1180px, calc(100% - 40px));
  min-height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img {
  width: 172px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-weight: 700;
  color: #223049;
}

.nav-links a {
  padding: 10px 0;
}

.nav-cta {
  min-width: 104px;
  text-align: center;
  padding: 11px 18px !important;
  color: #fff !important;
  background: var(--blue);
  border-radius: 999px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--blue-deep);
}

.hero {
  min-height: calc(100vh - 116px);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(380px, 1.1fr);
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.86) 48%, rgba(231, 246, 255, 0.24) 100%),
    var(--soft);
}

.hero-copy {
  width: min(560px, calc(100% - 40px));
  margin-left: max(20px, calc((100vw - 1180px) / 2));
  padding: 72px 0;
}

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

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

h1 {
  margin: 0;
  font-size: clamp(48px, 9vw, 92px);
  line-height: 0.94;
  letter-spacing: 0;
  color: var(--blue-deep);
}

h2 {
  margin: 0;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.02;
  letter-spacing: 0;
}

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

.hero-lede {
  max-width: 620px;
  margin: 24px 0 0;
  color: #394862;
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

.button.primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 14px 32px rgba(0, 93, 172, 0.22);
}

.button.secondary {
  background: #fff;
  color: var(--blue-deep);
  border-color: var(--line);
}

.button.full {
  width: 100%;
}

.hero-media {
  position: relative;
  min-height: calc(100vh - 116px);
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #eef8ff, #ffffff 46%, #fff4e1);
}

.hero-media::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 28%;
  background: linear-gradient(180deg, transparent, rgba(0, 93, 172, 0.1));
}

.hero-media img {
  position: relative;
  width: min(72%, 520px);
  max-height: 80vh;
  object-fit: contain;
  filter: drop-shadow(0 34px 40px rgba(6, 56, 107, 0.24));
}

.trust-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-band div {
  min-height: 112px;
  padding: 26px max(20px, calc((100vw - 1180px) / 2));
  background: #fff;
}

.trust-band strong {
  display: block;
  margin-bottom: 8px;
  color: var(--blue-deep);
  font-size: 18px;
}

.trust-band span {
  color: var(--muted);
  line-height: 1.45;
}

.intro-section,
.products-section,
.service-section,
.contact-section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 92px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.section-heading.wide {
  max-width: 850px;
}

.section-heading > p:not(.eyebrow) {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

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

.intro-grid article,
.steps article {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.intro-grid p,
.steps p,
.product-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.marker {
  display: block;
  width: 34px;
  height: 6px;
  margin-bottom: 22px;
  background: var(--cyan);
  border-radius: 999px;
}

.marker.amber {
  background: var(--amber);
}

.marker.coral {
  background: var(--coral);
}

.products-section {
  width: 100%;
  padding-right: max(20px, calc((100vw - 1180px) / 2));
  padding-left: max(20px, calc((100vw - 1180px) / 2));
  background: var(--soft);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0 28px;
}

.filter {
  min-height: 42px;
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--blue-deep);
  font-weight: 800;
  cursor: pointer;
}

.filter.active {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

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

.product-card {
  display: grid;
  grid-template-rows: 260px 1fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(10, 34, 66, 0.06);
}

.product-card[hidden] {
  display: none;
}

.product-card.featured {
  border-color: rgba(0, 93, 172, 0.34);
}

.image-button {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  padding: 22px;
  border: 0;
  background: linear-gradient(140deg, #ffffff, #eef8ff);
  cursor: zoom-in;
}

.image-button img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

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

.product-type {
  margin-bottom: 8px !important;
  color: var(--blue) !important;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.service-section {
  padding-bottom: 70px;
}

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

.steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
  color: #fff;
  background: var(--blue-deep);
  border-radius: 50%;
  font-weight: 900;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.75fr);
  gap: 42px;
  align-items: start;
  padding-top: 30px;
}

.contact-copy > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.contact-list {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.contact-list a,
.contact-list span {
  display: block;
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--blue-deep);
  font-weight: 750;
}

.contact-form {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  color: #2d3a52;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
  color: var(--ink);
}

.contact-form textarea {
  resize: vertical;
}

.footer {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 44px 20px;
  background: var(--blue-deep);
  color: rgba(255, 255, 255, 0.86);
  text-align: center;
}

.footer img {
  width: 154px;
  padding: 8px;
  border-radius: 8px;
  background: #fff;
}

.footer p {
  max-width: 720px;
  margin: 0;
}

.lightbox {
  width: min(920px, calc(100% - 32px));
  padding: 24px;
  border: 0;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.lightbox::backdrop {
  background: rgba(5, 18, 35, 0.74);
}

.lightbox img {
  width: 100%;
  max-height: 72vh;
  object-fit: contain;
}

.lightbox p {
  margin: 14px 0 0;
  color: var(--blue-deep);
  font-weight: 800;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  color: var(--ink);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

@media (max-width: 1020px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    width: min(760px, calc(100% - 40px));
    margin: 0 auto;
    padding: 58px 0 30px;
  }

  .hero-media {
    min-height: 420px;
  }

  .hero-media img {
    width: min(62%, 430px);
    max-height: 380px;
  }

  .trust-band,
  .intro-grid,
  .steps,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .trust-band div {
    padding-right: 20px;
    padding-left: 20px;
  }

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

@media (max-width: 720px) {
  .topbar {
    display: none;
  }

  .nav-shell {
    width: calc(100% - 28px);
    min-height: 70px;
  }

  .brand img {
    width: 142px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 70px;
    right: 14px;
    left: 14px;
    display: none;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: grid;
    gap: 8px;
  }

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

  .nav-cta {
    border-radius: 8px;
  }

  .hero {
    min-height: auto;
  }

  .hero-copy {
    width: calc(100% - 32px);
    padding-top: 42px;
  }

  .hero-actions {
    display: grid;
  }

  .hero-media {
    min-height: 330px;
  }

  .hero-media img {
    width: 74%;
    max-height: 300px;
  }

  .intro-section,
  .products-section,
  .service-section,
  .contact-section {
    width: 100%;
    padding: 62px 16px;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-card {
    grid-template-rows: 230px 1fr;
  }

  .contact-form {
    padding: 20px;
  }
}
