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

body {
  background-color: #f9f9f9;
  color: #111;
  line-height: 1.6;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 8%;
  background: #ffffff;
  border-bottom: 1px solid #eee;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.navbar nav a {
  margin-left: 1.8rem;
  text-decoration: none;
  color: #444;
  font-weight: 500;
  transition: color 0.2s ease;
}

.navbar nav a:hover {
  color: #000;
}

.btn-nav {
  background: #000;
  color: #fff !important;
  padding: 0.5rem 1rem;
  border-radius: 4px;
}

/* Hero */
.hero {
  padding: 6rem 8%;
  background: #fff;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.tagline {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: #666;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3.2rem;
  margin: 1rem 0;
  letter-spacing: -1px;
}

.hero p {
  font-size: 1.2rem;
  color: #555;
  margin-bottom: 2rem;
}

.hero-btns a {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  margin: 0 0.5rem;
}

.btn-primary {
  background: #000;
  color: #fff;
}

.btn-secondary {
  background: #f0f0f0;
  color: #111;
}

/* Sections */
.section {
  padding: 5rem 8%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section h2 {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.5px;
}

.section-sub {
  color: #666;
  margin-bottom: 3rem;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #e9e9e9;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.card-body {
  padding: 1.5rem;
}

.card-body h3 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.card-body p {
  color: #666;
  font-size: 0.95rem;
}

/* Dark Section (Videos) */
.dark-section {
  background: #111;
  color: #fff;
}

.dark-section .section-sub {
  color: #aaa;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.5rem;
}

.video-card {
  background: #1a1a1a;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #2a2a2a;
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
}

.video-wrapper iframe, .video-wrapper video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-info {
  padding: 1.5rem;
}

.video-info h3 {
  margin-bottom: 0.5rem;
}

.video-info p {
  color: #aaa;
  font-size: 0.95rem;
}

/* Contact */
.contact-container {
  text-align: center;
  max-width: 600px;
}

.contact-details {
  margin-top: 2rem;
  font-size: 1.1rem;
}

.contact-details a {
  color: #000;
  font-weight: 600;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  background: #fff;
  border-top: 1px solid #eee;
  font-size: 0.9rem;
  color: #666;
}

footer a {
  color: #111;
  font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .navbar { flex-direction: column; gap: 1rem; }
  .navbar nav a { margin: 0 0.5rem; }
}