:root {
  --blue: #6eb5ff;
  --light-blue: #eaf5ff;
  --lime: #b9ffb0;
  --dark: #0a0a0a;
  --white: #ffffff;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--white);
  color: var(--dark);
  scroll-behavior: smooth;
}

/* Header */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--white);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 40px;
  z-index: 1000;
}

header .logo {
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--blue);
  cursor: pointer;
}

header nav a {
  margin-left: 24px;
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
}
header nav a:hover {
  color: var(--blue);
}

/* Hero section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  overflow: hidden;
}
.hero video {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero .overlay {
  position: relative;
  z-index: 2;
  text-align: center;
}
.hero h1 {
  font-size: 3rem;
  margin-bottom: .5em;
  color: var(--white);
}
.hero p {
  margin-bottom: 1.5em;
  font-size: 1.2rem;
  color: var(--white);
}
.hero button {
  background: var(--lime);
  color: var(--dark);
  padding: 14px 32px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: 0.3s;
}
.hero button:hover {
  background: var(--blue);
  color: var(--white);
}

/* Content */
.content {
  max-width: 900px;
  margin: 100px auto;
  padding: 0 20px;
}
.content h2 {
  color: var(--blue);
}
.content h3 {
  color: var(--dark);
  margin-top: 1.2em;
}
.gallery {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}
.gallery img {
  width: 30%;
  border-radius: 10px;
}
.videos {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.videos video {
  width: 48%;
  border-radius: 10px;
}

/* Channel button */
.btn-link {
  display: inline-block;
  background: var(--blue);
  color: var(--white);
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  transition: 0.3s;
}
.btn-link:hover {
  background: var(--lime);
  color: var(--dark);
}

/* Footer */
footer {
  text-align: center;
  padding: 40px;
  background: var(--light-blue);
  margin-top: 80px;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
  z-index: 2000;
}
.modal-content {
  background: var(--white);
  padding: 30px;
  border-radius: 12px;
  width: 320px;
  text-align: center;
}
.modal-content input {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border-radius: 8px;
  border: 1px solid #ccc;
}
.modal-content button {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 8px;
  background: var(--lime);
  font-weight: 600;
  cursor: pointer;
}
.modal-content button:hover {
  background: var(--blue);
  color: var(--white);
}
.close {
  position: absolute;
  right: 20px;
  top: 10px;
  font-size: 1.5rem;
  cursor: pointer;
}