* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: black;
  color: white;
  text-align: center;
}

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  height: 50px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(15px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 1000;
}

.nav-title {
  font-size: 16px;
  font-weight: 600;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 25px;
}

.nav-links a {
  color: #ddd;
  text-decoration: none;
  font-size: 14px;
}

.nav-links a:hover {
  color: white;
}

/* FULL PAGE SECTIONS */
.page {
  height: 100vh;
  padding-top: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
}

/* FADE IN */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* BACKGROUND IMAGES */
.home-bg {
  background-image: url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee");
}

.home-bg-2 {
  background-image: url("https://images.unsplash.com/photo-1446776811953-b23d57bd21aa");
}

.sustainability-bg {
  background-image: url("https://images.unsplash.com/photo-1469474968028-56623f02e42e");
}

.sustainability-bg-2 {
  background-image: url("https://images.unsplash.com/photo-1501004318641-b39e6451bec6");
}

.climate-bg {
  background-image: url("https://images.unsplash.com/photo-1502082553048-f009c37129b9");
}

.climate-bg-2 {
  background-image: url("https://images.unsplash.com/photo-1501785888041-af3ef285b470");
}

.product-bg {
  background-image: url("https://images.unsplash.com/photo-1521737604893-d14cc237f11d");
}

.product-bg-2 {
  background-image: url("https://images.unsplash.com/photo-1520975916090-3105956dac38");
}

h1 {
  font-size: 2.8rem;
  font-weight: 600;
}