:root {
  --bg:#f6f7f9;
  --panel:#ffffff;
  --ink:#0e1116;
  --muted:#5f6b7a;
  --brand:#1e4b8e;
  --header:#0c0d10;
  --footer:#0f1720;
  --shadow:0 10px 30px rgba(2,8,23,0.10);
  --radius:18px;
  --maxw:1200px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: inherit; text-decoration: none; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* HEADER */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--header);
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}
.brand .logo {
  width: 38px;
  height: auto;
}
nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
nav a {
  color: #e6eefc;
  opacity: .9;
  font-weight: 500;
}
nav a:hover { opacity: 1; }
.hamburger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 10px;
  background: transparent;
  color: #fff;
}

/* HERO */
.hero {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #000;
}
.hero video, .hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,.55), rgba(0,0,0,.2) 45%, rgba(0,0,0,0) 75%);
}
.hero-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 0 20px;
  color: #fff;
  max-width: var(--maxw);
  margin: 0 auto;
}
.hero h1 {
  font-size: clamp(28px, 5vw, 54px);
  font-weight: 800;
  margin: 0 0 10px;
  text-shadow: 0 8px 25px rgba(0,0,0,.45);
}
.hero p {
  font-size: clamp(15px, 1.3vw, 18px);
  color: #e4e9f2;
  max-width: 600px;
}
.cta {
  display: inline-block;
  margin-top: 20px;
  padding: 14px 24px;
  background: var(--brand);
  color: #fff;
  border-radius: 10px;
  font-weight: 700;
  box-shadow: 0 10px 25px rgba(30,75,142,.35);
}
.cta:hover { filter: brightness(1.08); }

/* FEATURED PRODUCTS */
.featured {
  background: var(--panel);
  margin: 30px 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding-bottom: 30px;
}
.featured h2 {
  padding: 30px 22px 10px;
  font-size: clamp(22px,2.2vw,28px);
}
.grid {
  display: grid;
  gap: 18px;
  padding: 0 22px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.card {
  background: #fff;
  border: 1px solid #e8ecf3;
  border-radius: 16px;
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(2,8,23,.08);
}
.card img {
  width: 100%;
  height: auto;
  display: block;
}
.card h3 {
  margin: 10px 14px 4px;
}
.card p {
  margin: 0 14px 14px;
  color: var(--muted);
  font-size: 14px;
}

/* FOOTER */
footer {
  background: var(--footer);
  color: #d7dfec;
  padding: 34px 20px;
  margin-top: 40px;
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, 1fr);
}
.footer-inner h4 {
  margin-bottom: 10px;
  color: #fff;
}
.footer-inner a {
  display: block;
  color: #c7d2e4;
  padding: 4px 0;
  opacity: .9;
}
.footer-inner a:hover { opacity: 1; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  nav ul { display: none; }
  .hamburger { display: inline-grid; place-items: center; }
  .grid { grid-template-columns: 1fr; }
  .hero { min-height: 58vh; aspect-ratio: auto; }
  .brand span { display: none; }
}