* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: white;
  background: #000;
}

/* HERO */
.hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* VIDEO */
.video {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  top: 0;
  left: 0;
  z-index: -2;
}

/* DARK OVERLAY */
.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: -1;
}

/* HERO CONTENT */
.hero-content {
  max-width: 800px;
  padding: 20px;
  animation: fadeUp 1.5s ease;
}

.tag {
  font-size: 12px;
  letter-spacing: 0.3em;
  opacity: 0.7;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(3rem, 6vw, 6rem);
  font-weight: 600;
  letter-spacing: -0.04em;
}

.hero p {
  margin-top: 16px;
  font-size: 16px;
  opacity: 0.75;
}

/* BUTTON */
.btn {
  margin-top: 40px;
  display: inline-block;
  padding: 14px 26px;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 999px;
  text-decoration: none;
  color: white;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: 0.3s ease;
}

.btn:hover {
  background: white;
  color: black;
}

/* SECTIONS */
.section {
  padding: 140px 20px;
  text-align: center;
  background: #0b0b0b;
}

.section h2 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.section p {
  max-width: 600px;
  margin: 0 auto;
  opacity: 0.7;
}

.section.dark {
  background: #000;
}

/* FOOTER */
footer {
  padding: 60px;
  text-align: center;
  font-size: 12px;
  opacity: 0.5;
}

/* ANIMATION */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}