* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  background: #f5f5f5;
  color: #111;
}
a { color: inherit; text-decoration: none; }
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 7%;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid #ddd;
  backdrop-filter: blur(10px);
}
.logo { font-weight: 900; letter-spacing: -1px; font-size: 22px; }
.logo span { font-weight: 500; margin-left: 5px; }
nav { display: flex; gap: 24px; font-size: 14px; font-weight: 700; }
nav a:hover { opacity: .55; }
.hero {
  min-height: 76vh; padding: 90px 7%;
  display: grid; grid-template-columns: 1.25fr .75fr;
  gap: 50px; align-items: center;
  background: #fff;
}
.eyebrow { font-size: 12px; font-weight: 900; letter-spacing: 2px; margin: 0 0 14px; }
h1 { font-size: clamp(52px, 8vw, 100px); line-height: .9; letter-spacing: -5px; margin: 0 0 28px; }
h1 span { color: #666; }
.hero-copy { max-width: 570px; font-size: 18px; line-height: 1.6; color: #555; }
.button, button {
  display: inline-block; border: 0; border-radius: 999px;
  background: #111; color: #fff; padding: 14px 22px;
  font-weight: 800; cursor: pointer;
}
.button { margin-top: 14px; }
.hero-card {
  min-height: 360px; border-radius: 30px; padding: 35px;
  background: #111; color: #fff; display: flex;
  flex-direction: column; justify-content: flex-end;
}
.hero-icon { font-size: 100px; align-self: center; margin: auto; }
.hero-card p { color: #aaa; font-size: 12px; letter-spacing: 2px; font-weight: 800; }
.hero-card strong { font-size: 27px; }
.section { padding: 90px 7%; }
.section-head { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 35px; }
h2 { font-size: clamp(36px, 5vw, 58px); letter-spacing: -3px; margin: 0; }
.muted { color: #777; line-height: 1.6; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.product { background: #fff; border: 1px solid #e2e2e2; border-radius: 24px; overflow: hidden; }
.product-image { min-height: 230px; display: grid; place-items: center; font-size: 80px; background: #eee; }
.product-info { padding: 22px; }
.tag { font-size: 10px; font-weight: 900; letter-spacing: 1.5px; color: #777; }
h3 { font-size: 23px; margin: 10px 0; }
.product-info p { color: #777; min-height: 52px; line-height: 1.45; font-size: 14px; }
.price { font-size: 20px; font-weight: 900; margin: 18px 0; }
.product button { width: 100%; }
.dark-section {
  padding: 90px 7%; background: #111; color: #fff;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
}
.dark-section > p { color: #aaa; font-size: 18px; line-height: 1.7; }
.contact { background: #fff; }
.contact-box { max-width: 600px; margin-top: 30px; padding: 25px; border: 1px solid #ddd; border-radius: 20px; }
footer { padding: 30px 7%; background: #eee; color: #666; display: flex; justify-content: space-between; gap: 20px; font-size: 12px; }
@media (max-width: 900px) {
  .hero, .dark-section { grid-template-columns: 1fr; }
  .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .nav { padding: 15px 5%; }
  nav { gap: 12px; font-size: 12px; }
  .hero, .section, .dark-section { padding: 65px 5%; }
  h1 { letter-spacing: -3px; }
  .grid { grid-template-columns: 1fr; }
  .section-head, footer { flex-direction: column; align-items: flex-start; }
}