/* Sticky header */
.sticky-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  /* border-bottom: 1px solid #ccc; */
  background: inherit;
}
.sticky-nav ul {
  list-style: none;
  margin: 0;
  padding: 0.5rem 1rem;
  display: flex;
  gap: 1rem;
}
.sticky-nav a {
  text-decoration: none;
  color: #fff !important;
  font-weight: bold;
}

.home-container {
  display: flex;
  gap: 2rem;
  padding: 1rem;
}
.main-content {
  flex: 3;
}
.sidebar {
  flex: 1;
  background: #f9f9f9;
  padding: 1rem;
  border-radius: 4px;
}
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  margin-top: 1rem;
}
.video-wrapper iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
}

/* 3.1 Hero background & overlay text */
.hero {
  position: relative;
  height: 100vh;
  width: 100vw;
  margin: 0;
  padding: 0;
  background-image: url('/img/hero.jpg');
  background-size: cover;
  background-position: center;
  z-index: 1;
}
.hero-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  pointer-events: none;
}
.hero-overlay h1 {
  font-size: 4rem;
  color: white;
  text-shadow: 0 2px 4px rgba(0,0,0,0.6);
  pointer-events: auto;
}
.hero-overlay h2 {
  color: #fff;
  text-shadow: 0 2px 4px rgba(0,0,0,0.6);
  margin: 0.5rem 0;
  pointer-events: auto;
}
.hero-overlay h1 {
  font-size: 5rem;
}
.hero-overlay h2 {
  font-size: 2rem;
}
/* Centering text over images via Flexbox is a reliable pattern :contentReference[oaicite:3]{index=3} */

/* 3.2 Sticky header transparent/opaque */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
#header.transparent {
  background-color: transparent !important;
}
#header.opaque {
  background: rgba(58, 58, 58, 0.95);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
#header.opaque .sticky-nav a {
  color: #fff; /* or another color for opaque background */
}
#header.transparent .sticky-nav a {
  color: #fff;
}
/* Toggling header transparency on scroll is standard JS+CSS :contentReference[oaicite:4]{index=4} */

/* 3.3 Scroll-down arrow cue */
.scroll-arrow {
  position: absolute;
  bottom: 2rem;
  width: 24px; height: 24px;
  border-bottom: 4px solid white;
  border-right: 4px solid white;
  transform: rotate(45deg);
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%,20%,50%,80%,100% { transform: translateY(0) rotate(45deg); }
  40% { transform: translateY(8px) rotate(45deg); }
  60% { transform: translateY(4px) rotate(45deg); }
}
/* Basic arrow and bounce animation per UnusedCSS :contentReference[oaicite:5]{index=5} and CSS Animation tutorials :contentReference[oaicite:6]{index=6} */

html, body {
  margin: 0;
  padding: 0;
}

main {
  padding-top: -64px; /* puts image under header */
}