:root {
  --blue: #082a76;
  --blue2: #0074e8;
  --orange: #f58200;
  --green: #176b34;
  --dark: #071629;
  --muted: #667085;
  --bg: #f7fbff;
  --white: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* Prevent sticky header from covering section headings when navigating */
section {
  scroll-margin-top: 110px;
}

#home,
#products,
#quality,
#about,
#contact {
  scroll-margin-top: 110px;
}

@media (max-width: 850px) {
  section,
  #home,
  #products,
  #quality,
  #about,
  #contact {
    scroll-margin-top: 95px;
  }
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--dark);
  background: var(--bg);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(8,42,118,.08);
}

.navbar {
  max-width: 1180px;
  margin: auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand img { width: 170px; display: block; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 700;
}
.menu-btn {
  display: none;
  background: var(--blue);
  color: white;
  border: 0;
  border-radius: 8px;
  padding: 10px 13px;
  font-size: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--blue), var(--blue2));
  color: white !important;
  padding: 14px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 10px 25px rgba(0,116,232,.25);
}
.btn.small { padding: 10px 18px; }
.btn.outline {
  background: white;
  color: var(--blue) !important;
  border: 2px solid var(--blue);
}
.btn.full { width: 100%; }

.hero {
  max-width: 1180px;
  margin: auto;
  padding: 80px 20px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 40px;
  align-items: center;
}

.eyebrow {
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 900;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(44px, 7vw, 86px);
  line-height: .95;
  margin: 0;
  color: var(--blue);
}
h2 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  margin: 0 0 16px;
  color: var(--blue);
}
h3 { margin: 10px 0; color: var(--blue); }
.subtitle {
  font-size: 20px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 650px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin: 28px 0; }
.trust-row { display: flex; gap: 12px; flex-wrap: wrap; }
.trust-row span {
  background: white;
  border-left: 4px solid var(--orange);
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 800;
  color: var(--green);
}
.hero-card {
  background: white;
  border-radius: 32px;
  padding: 25px;
  position: relative;
  box-shadow: 0 25px 70px rgba(8,42,118,.16);
  overflow: hidden;
}
.hero-card::after {
  content: "";
  position: absolute;
  inset: auto -30px -50px auto;
  width: 220px;
  height: 220px;
  background: var(--orange);
  border-radius: 50%;
  opacity: .12;
}
.hero-card img { width: 100%; display: block; }
.badge {
  position: absolute;
  right: 20px;
  bottom: 20px;
  background: var(--orange);
  color: white;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 900;
}

.section {
  max-width: 1180px;
  margin: auto;
  padding: 95px 20px 70px;
}
.section-title { text-align: center; max-width: 780px; margin: 0 auto 36px; }
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: white;
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 18px 50px rgba(8,42,118,.08);
  border: 1px solid rgba(8,42,118,.08);
}
.icon { font-size: 42px; }

.quality {
  scroll-margin-top: 110px;
  background: linear-gradient(135deg, var(--blue), #03133a);
  color: white;
  padding: 70px calc((100% - 1180px)/2 + 20px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 35px;
  align-items: center;
}
.quality h2 { color: white; }
.quality p { color: rgba(255,255,255,.82); line-height: 1.7; font-size: 18px; }
.quality-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.quality-grid span {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 16px;
  padding: 18px;
  font-weight: 800;
}

.about {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 40px;
  align-items: center;
}
.about-img img {
  width: 100%;
  border-radius: 24px;
  box-shadow: 0 25px 70px rgba(8,42,118,.14);
}

.contact {
  max-width: 1180px;
  margin: auto;
  padding: 95px 20px 70px;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 30px;
}
.contact-box, .form {
  background: white;
  border-radius: 26px;
  padding: 34px;
  box-shadow: 0 18px 50px rgba(8,42,118,.08);
}
.contact-list p { font-size: 18px; line-height: 1.55; }
.contact a { color: var(--blue2); font-weight: 800; text-decoration: none; }
.form { display: grid; gap: 14px; }
.form input, .form textarea {
  width: 100%;
  border: 1px solid #d7e2f0;
  border-radius: 14px;
  padding: 16px;
  font: inherit;
}
.form textarea { min-height: 140px; resize: vertical; }

footer {
  text-align: center;
  padding: 25px 20px;
  background: var(--blue);
  color: white;
  font-weight: 700;
}

@media (max-width: 850px) {
  .menu-btn { display: block; }
  .nav-links {
    position: absolute;
    top: 72px;
    left: 16px;
    right: 16px;
    background: white;
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    border-radius: 18px;
    box-shadow: 0 20px 50px rgba(8,42,118,.18);
    display: none;
  }
  .nav-links.open { display: flex; }
  .hero, .quality, .about, .contact {
    grid-template-columns: 1fr;
  }
  .cards { grid-template-columns: 1fr; }
  .quality-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 45px; }
  .brand img { width: 140px; }
}