/* ===== Reset and Base Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(270deg, #1f1c2c, #928dab, #ff00d4, #00f0ff);
  background-size: 800% 800%;
  animation: gradientMove 20s ease infinite;
  color: #fff;
  line-height: 1.6;
}

/* Background animation keyframes */
@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ===== Header ===== */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 50px;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
}

header .logo {
  font-size: 1.8rem;
  font-weight: bold;
  letter-spacing: 1px;
  color: #00f0ff;
  text-shadow: 0 0 10px #00f0ff, 0 0 20px #00f0ff;
}

nav a {
  margin: 0 15px;
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  position: relative;
}

nav a::after {
  content: "";
  position: absolute;
  width: 0%;
  height: 2px;
  background: #00f0ff;
  left: 0;
  bottom: -4px;
  transition: 0.3s;
}

nav a:hover::after {
  width: 100%;
}

/* ===== Intro Section ===== */
.intro {
  text-align: center;
  padding: 60px 20px;
}

.intro h1 {
  font-size: 3rem;
  margin-bottom: 10px;
  animation: glowText 3s infinite alternate;
}

.intro p {
  font-size: 1.2rem;
  color: #ddd;
}

@keyframes glowText {
  from { text-shadow: 0 0 10px #00f0ff; }
  to { text-shadow: 0 0 20px #ff00d4, 0 0 30px #00f0ff; }
}

/* ===== Product Grid (Unified for all sections) ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  padding: 50px;
  justify-items: center;
}

.product-card,
.product-grid .card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.4);
  transition: transform 0.5s ease, box-shadow 0.5s ease;
  perspective: 1000px;
  max-width: 300px;
  display: flex;
  flex-direction: column;
  height: 100%;
  text-align: center;
  animation: cardGlow 6s ease-in-out infinite;
}

.product-card img,
.product-grid .card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 0;
  transition: transform 0.5s ease;
}

.product-card:hover,
.product-grid .card:hover {
  transform: rotateY(5deg) rotateX(5deg) scale(1.03);
  box-shadow: 0 10px 40px rgba(0, 240, 255, 0.5);
}

.product-card:hover img,
.product-grid .card:hover img {
  transform: scale(1.1) rotate(-2deg);
}

.product-card h2,
.product-grid .card h2 {
  margin: 15px;
  font-size: 1.3rem;
  color: #00f0ff;
}

.product-card p,
.product-grid .card p {
  margin: 0 15px 15px;
  font-size: 0.95rem;
  color: #ccc;
}

/* ===== Buy Links (Same for all) ===== */
.buy-links {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px 0 20px;
}

.buy-links a {
  background: #00f0ff;
  color: #000;
  padding: 8px 15px;
  border-radius: 20px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
  animation: buttonGlow 6s ease-in-out infinite;
}

.buy-links a:hover {
  background: #ff00d4;
  color: #fff;
  transform: scale(1.05);
}

/* ===== Testimonials ===== */
table {
  margin-top: 30px;
  animation: fadeIn 2s ease-in-out;
}

table img {
  border-radius: 50%;
  box-shadow: 0 0 15px #00f0ff;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Footer ===== */
.social-footer {
  text-align: center;
  padding: 20px;
  background: rgba(0,0,0,0.4);
}

.social-icons img {
  width: 35px;
  margin: 0 10px;
  transition: 0.3s;
  border-radius: 50%;
}

.social-icons img:hover {
  transform: scale(1.2) rotate(10deg);
  box-shadow: 0 0 15px #ff00d4;
}

/* ===== Dynamic Glow for Product Cards ===== */
@keyframes cardGlow {
  0% { box-shadow: 0 0 20px #00f0ff; }
  25% { box-shadow: 0 0 25px #ff00d4; }
  50% { box-shadow: 0 0 20px #928dab; }
  75% { box-shadow: 0 0 25px #1f1c2c; }
  100% { box-shadow: 0 0 20px #00f0ff; }
}

/* ===== Dynamic Glow for Buy Buttons ===== */
@keyframes buttonGlow {
  0% { box-shadow: 0 0 10px #00f0ff; background-color: #00f0ff; }
  25% { box-shadow: 0 0 12px #ff00d4; background-color: #ff00d4; }
  50% { box-shadow: 0 0 10px #928dab; background-color: #928dab; }
  75% { box-shadow: 0 0 12px #1f1c2c; background-color: #1f1c2c; color: #fff; }
  100% { box-shadow: 0 0 10px #00f0ff; background-color: #00f0ff; }
}

/* ===== Responsive Tweaks ===== */
@media (max-width: 768px) {
  header {
    flex-direction: column;
  }
  nav {
    margin-top: 10px;
  }
}