/* Base Styles */
body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
  color: #111;
}

/* Sticky Header */
.sticky-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background-color: #081b35;
  box-shadow: 0 2px 5px rgba(0,0,0,0.15);
}

header {
  padding: 20px 0;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: auto;
  padding: 0 20px;
  position: relative;
}

.logo-img img {
  height: 70px;
  max-height: 80px;
  width: auto;
  display: block;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: white;
  display: block;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 30px;
}

.nav-links li a {
  color: #fff;
  text-decoration: none;
  position: relative;
  font-weight: 500;
}

.nav-links li a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #c40000;
  transition: width 0.3s;
}

.nav-links li a:hover::after {
  width: 100%;
}

/* Hero Section with Video + Animation */
.video-hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero-overlay {
  position: relative;
  z-index: 2;
  background-color: rgba(0, 0, 0, 0.4);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  color: white;
  text-align: center;
  padding: 20px;
  z-index: 3;
}

.hero-content h1 {
  font-size: 48px;
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 20px;
  margin-bottom: 30px;
}

.btn {
  background-color: #b30000;
  color: white;
  padding: 14px 28px;
  font-size: 16px;
  border: none;
  border-radius: 5px;
  text-decoration: none;
  transition: background 0.3s;
  display: inline-block;
  position: relative;
  z-index: 5; /* بالاتر از قطره */
}

.btn:hover {
  background-color: #8c0000;
}

/* Container */
.container {
  max-width: 1200px;
  margin: auto;
  padding: 60px 20px;
}

section h2 {
  font-size: 32px;
  margin-bottom: 20px;
  color: #081b35;
}

/* Product List */
.product-list {
  list-style: none;
  padding: 0;
  margin-top: 20px;
}

.product-list li {
  margin-bottom: 15px;
}

.product-list li a {
  display: flex;
  align-items: center;
  font-size: 18px;
  text-decoration: none;
  color: #081b35;
  transition: all 0.3s ease;
}

.product-list li a:hover {
  color: #b30000;
  transform: translateX(4px);
}

.product-list .icon {
  height: 24px;
  width: 24px;
  margin-right: 12px;
  filter: grayscale(30%);
}

/* Footer */
footer {
  background-color: #081b35;
  color: white;
  text-align: center;
  padding: 30px 20px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin-top: 15px;
  display: flex;
  justify-content: center;
  gap: 30px;
}

.footer-links li a {
  color: #ccc;
  text-decoration: none;
  font-size: 15px;
}

.footer-links li a:hover {
  color: white;
}

/* Testimonials */
.testimonials {
  margin-top: 80px;
  padding: 40px 20px;
  background-color: #f7f7f7;
  border-radius: 10px;
  text-align: center;
}

.testimonials h2 {
  font-size: 28px;
  color: #081b35;
  margin-bottom: 20px;
}

.testimonial-box {
  font-size: 16px;
  color: #333;
  max-width: 700px;
  margin: auto;
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.testimonial-box span {
  display: block;
  margin-top: 15px;
  font-style: italic;
  color: #666;
}

.stars {
  color: #ffc107;
  font-size: 20px;
  margin-top: 10px;
}

/* ANIMATIONS */
.animate-fade-up {
  animation: fadeUp 1s ease-out forwards;
  opacity: 0;
  transform: translateY(30px);
}

.animate-bounce {
  animation: bounceIn 1s ease-out forwards;
  opacity: 0;
  transform: scale(0.8);
}

.delay-1 { animation-delay: 0.3s; }
.delay-2 { animation-delay: 0.6s; }
.delay-3 { animation-delay: 0.9s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounceIn {
  0% { opacity: 0; transform: scale(0.8); }
  60% { opacity: 1; transform: scale(1.05); }
  100% { opacity: 1; transform: scale(1); }
}

/* Responsive */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 65px;
    right: 10px;
    background-color: #081b35;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    gap: 15px;
    border-radius: 8px;
    display: none;
    z-index: 99;
    width: 200px;
    font-size: 16px;
  }

  .nav-links.active {
    display: flex;
  }

  .video-hero {
    height: 60vh;
  }

  .hero-content h1 {
    font-size: 32px;
  }

  .hero-content p {
    font-size: 16px;
  }

  .logo-img img {
    height: 50px;
  }
}

/* ✅ افکت قطره و glow */
#drop-oil {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  z-index: 2; /* زیر دکمه */
  pointer-events: none;
  opacity: 1;
}

.btn.glow {
  box-shadow: 0 0 18px 7px rgba(255, 200, 0, 0.9);
  transition: all 0.4s ease-in-out;
  position: relative;
  z-index: 5;