:root {
  --bg: #07101d;
  --bg-soft: #0c1728;
  --blue: #006dff;
  --blue-light: #26a2ff;
  --white: #ffffff;
  --gray: #aab4c0;
  --card: #101c2f;
  --border: rgba(255,255,255,0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--white);
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7,16,29,0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.navbar {
  max-width: 1200px;
  margin: auto;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -1px;
}

.logo span,
.footer span {
  color: var(--blue-light);
}

.nav-menu {
  display: flex;
  gap: 28px;
  color: var(--gray);
  font-size: 15px;
}

.nav-menu a:hover {
  color: var(--white);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--white);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 22px;
}

.btn {
  background: var(--blue);
  color: var(--white);
  padding: 13px 22px;
  border-radius: 8px;
  font-weight: 800;
  display: inline-block;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn:hover {
  filter: brightness(1.1);
}

.btn-outline {
  background: transparent;
  border-color: var(--border);
}

.hero {
  min-height: 720px;
  background:
    radial-gradient(circle at 78% 28%, rgba(0,109,255,.20), transparent 28%),
    linear-gradient(135deg, #050b14 0%, #07101d 52%, #0c1728 100%);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-content,
.container {
  max-width: 1200px;
  margin: auto;
  width: 100%;
}

.hero-content {
  padding: 90px 20px;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 42px;
  align-items: center;
}

.hero-showcase {
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 12px;
  background: linear-gradient(180deg, rgba(18,31,52,.9), rgba(5,11,20,.88));
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
}

.hero-showcase img {
  border-radius: 20px;
  height: 520px;
  object-fit: cover;
  object-position: center;
}

.eyebrow {
  color: var(--blue-light);
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 12px;
}

h1 {
  font-size: clamp(42px, 6vw, 76px);
  line-height: .95;
  max-width: 720px;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
}

.hero-text {
  color: var(--gray);
  max-width: 630px;
  font-size: 20px;
  margin-bottom: 34px;
}

.hero-buttons {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 46px;
}

.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 920px;
}

.feature {
  display: flex;
  gap: 12px;
  align-items: center;
  color: var(--gray);
}

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

.feature strong {
  color: var(--white);
}

.section {
  padding: 90px 20px;
}

.section-dark {
  background: #050b14;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.service-card,
.product-card,
.quote-form,
.why-grid article {
  background: linear-gradient(180deg, #121f34, #0b1424);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.25);
}

.service-card img {
  height: 210px;
  object-fit: cover;
  background: #050b14;
}

.service-card h3 {
  padding: 18px;
  text-align: center;
  font-size: 17px;
}

.products-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 30px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.product-card {
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(38,162,255,.45);
  box-shadow: 0 26px 60px rgba(0,0,0,.36);
}

.product-card img {
  height: 270px;
  object-fit: cover;
  background: #050b14;
}

.product-card div {
  padding: 18px;
}

.product-card p {
  color: var(--blue-light);
  font-weight: 800;
}


.split-layout {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 36px;
  align-items: center;
}

.muted {
  color: var(--gray);
  margin: 18px 0 28px;
  font-size: 18px;
}

.catalog-banner {
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 26px 70px rgba(0,0,0,.38);
}

.process {
  background:
    linear-gradient(90deg, rgba(7,16,29,0.95), rgba(7,16,29,0.78)),
    url("https://images.unsplash.com/photo-1605902711622-cfb43c4437d1?auto=format&fit=crop&w=1700&q=80");
  background-size: cover;
  background-position: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
  margin-top: 42px;
}

.step {
  text-align: center;
  padding: 26px 16px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(12,23,40,0.84);
}

.step span {
  width: 50px;
  height: 50px;
  margin: 0 auto 18px;
  background: var(--blue);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 900;
}

.step p,
.why-grid p,
.quote-section p,
.footer,
.quote-form input,
.quote-form select,
.quote-form textarea {
  color: var(--gray);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-grid article {
  padding: 28px;
}

.why-grid h3 {
  color: var(--blue-light);
  margin-bottom: 10px;
}

.quote-section {
  background: linear-gradient(135deg, #0c1728, #101f36);
}

.form-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: center;
}

.quote-form {
  padding: 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  padding: 15px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #07101d;
  font-size: 15px;
}

.quote-form textarea,
.quote-form button {
  grid-column: span 2;
}

.quote-form textarea {
  min-height: 120px;
  resize: vertical;
}

.footer {
  padding: 55px 20px;
  background: #050b14;
  border-top: 1px solid var(--border);
}

.footer-grid {
  max-width: 1200px;
  margin: auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 30px;
}

.footer h3,
.footer h4 {
  color: var(--white);
  margin-bottom: 14px;
}

.footer a,
.footer p {
  display: block;
  margin-bottom: 8px;
}

.whatsapp {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: #25d366;
  color: #fff;
  padding: 15px 22px;
  border-radius: 999px;
  font-weight: 900;
  box-shadow: 0 15px 35px rgba(0,0,0,.4);
  z-index: 999;
}

@media (max-width: 1050px) {
  .services-grid,
  .products-grid,
  .steps,
  .why-grid,
  .features,
  .form-layout,
  .footer-grid,
  .hero-content,
  .split-layout {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-showcase img {
    height: 430px;
  }

  .nav-cta {
    display: none;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: 72px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    background: #07101d;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px;
  }

  .nav-menu.active {
    display: flex;
  }

  .services-grid,
  .products-grid,
  .steps,
  .why-grid,
  .features,
  .form-layout,
  .footer-grid,
  .quote-form,
  .hero-content,
  .split-layout {
    grid-template-columns: 1fr;
  }

  .hero-showcase img {
    height: auto;
  }

  .quote-form textarea,
  .quote-form button {
    grid-column: span 1;
  }

  .products-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding: 70px 20px;
  }
}