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

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Body */
body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.8;
  /* Applied nebula-inspired gradient with dark teal, emerald, and lime */
  background: linear-gradient(135deg, #0c5066 0%, #1a9872 50%, #d4e896 100%);
  background-attachment: fixed;
  color: #2c3e50;
  overflow-x: hidden;
}

/* Header with Parallax */
header {
  /* Changed to dark teal to emerald gradient from nebula palette */
  background: linear-gradient(135deg, #0d4d4d 0%, #0c5066 50%, #1a9872 100%);
  color: white;
  text-align: center;
  padding: 4rem 1rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(12, 80, 102, 0.4);
}

header::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1) rotate(0deg);
  }
  50% {
    transform: scale(1.1) rotate(5deg);
  }
}

.header-content {
  position: relative;
  z-index: 1;
}

header h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
  letter-spacing: 1px;
}

header p {
  font-size: 1.4rem;
  font-weight: 700;
  opacity: 0.95;
  color:#d4e896
}

/* Fade In Animation */
.fade-in {
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Navigation */
nav {
  /* Changed to emerald green with opacity */
  background: rgba(26, 152, 114, 0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 15px rgba(26, 152, 114, 0.2);
  transition: all 0.3s ease;
  /* Added responsive padding */
  padding: 0.5rem 1rem;
}

nav.scrolled {
  /* Darker emerald when scrolled */
  background: rgba(13, 77, 77, 0.95);
  box-shadow: 0 4px 20px rgba(26, 152, 114, 0.3);
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  flex-wrap: wrap;
  padding: 0.5rem 0;
  /* Added gap for better spacing */
  gap: 0.5rem;
}

nav ul li {
  margin: 0 10px;
}

nav ul li a {
  text-decoration: none;
  color: white;
  font-weight: 600;
  padding: 0.8rem 1.2rem;
  display: block;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  /* Responsive font size */
  font-size: 1rem;
}

nav ul li a::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: left 0.3s ease;
}

nav ul li a:hover::before {
  left: 0;
}

nav ul li a:hover {
  /* Light lime green on hover */
  background: #b4d95a;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(180, 217, 90, 0.4);
}

/* Sections */
section {
  padding: 4rem 10%;
  text-align: center;
  margin: 2rem 0;
  /* White with subtle shadow for contrast against vibrant background */
  background: rgba(255, 255, 255, 0.98);
  border-radius: 20px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.5s ease;
  opacity: 0;
  transform: translateY(50px);
}

section.visible {
  opacity: 1;
  transform: translateY(0);
}

section h2 {
  margin-bottom: 1.5rem;
  /* Changed to dark teal for headings */
  color: #0c5066;
  font-size: 2.5rem;
  font-weight: 700;
  position: relative;
  display: inline-block;
  padding-bottom: 15px;
}

section h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  /* Changed to emerald to lime gradient */
  background: linear-gradient(90deg, #1a9872, #b4d95a);
  border-radius: 2px;
}

section p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #455a64;
  max-width: 900px;
  margin: 0 auto;
}

/* Material Cards */
.material-card {
  /* Changed to light lime to emerald gradient */
  background: linear-gradient(135deg, #d4e896 0%, #b4d95a 100%);
  padding: 2rem;
  border-radius: 15px;
  margin: 1.5rem 0;
  /* Changed shadow to emerald */
  box-shadow: 0 4px 15px rgba(26, 152, 114, 0.2);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  text-align: left;
  position: relative;
  overflow: hidden;
  border: 2px solid transparent;
}

/* Added animated gradient border effect */
.material-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  /* Changed shimmer to teal/emerald */
  background: linear-gradient(90deg, transparent, rgba(26, 152, 114, 0.4), transparent);
  transition: left 0.6s ease;
}

.material-card:hover::before {
  left: 100%;
}

.material-card:hover {
  transform: translateY(-8px) scale(1.02);
  /* Changed shadow to deep teal */
  box-shadow: 0 12px 35px rgba(12, 80, 102, 0.35);
  border-color: #1a9872;
  /* Changed hover gradient to richer lime-emerald */
  background: linear-gradient(135deg, #b4d95a 0%, #1a9872 100%);
}

.material-card h3 {
  /* Changed to dark forest green for card headings */
  color: #0d4d4d;
  font-size: 1.8rem;
  margin-bottom: 1rem;
  text-shadow: 0 2px 10px rgba(13, 77, 77, 0.15);
}

.material-card h4 {
  /* Changed to deep teal for subheadings */
  color: #0c5066;
  font-size: 1.3rem;
  margin: 1.5rem 0 0.8rem 0;
}

.material-card ul {
  margin-left: 2rem;
  color: #546e7a;
}

.material-card ul li {
  margin: 0.5rem 0;
  line-height: 1.6;
}

/* Gallery */
.gallery {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.gallery-item {
  width: 280px;
  height: 200px;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  opacity: 0;
  transform: scale(0.8);
  animation: scaleIn 0.6s ease forwards;
}

.gallery-item:nth-child(1) {
  animation-delay: 0.1s;
}
.gallery-item:nth-child(2) {
  animation-delay: 0.2s;
}
.gallery-item:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes scaleIn {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.gallery-item:hover {
  transform: scale(1.08) rotate(2deg);
  /* Changed shadow to emerald */
  box-shadow: 0 15px 35px rgba(26, 152, 114, 0.4);
  z-index: 10;
}

/* CEO Profile */
.ceo-profile {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.ceo-image {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  /* Changed to teal shadow and border */
  box-shadow: 0 10px 30px rgba(12, 80, 102, 0.4);
  border: 5px solid #1a9872;
  transition: all 0.4s ease;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.ceo-image:hover {
  transform: scale(1.05);
  /* Enhanced emerald shadow */
  box-shadow: 0 15px 40px rgba(26, 152, 114, 0.5);
}

.ceo-profile p {
  max-width: 550px;
  text-align: left;
  font-size: 1.15rem;
  line-height: 1.8;
}

/* Contact Section */
.contact-section {
  /* Changed to emerald to teal gradient */
  background: linear-gradient(135deg, #1a9872 0%, #0c5066 100%);
  color: white;
}

.contact-section h2 {
  color: white;
}

.contact-section h2::after {
  /* Changed to lime gradient */
  background: linear-gradient(90deg, #b4d95a, #d4e896);
}

.contact-info {
  margin-top: 2rem;
}

.contact-info p {
  font-size: 1.2rem;
  margin: 1rem 0;
  /* Changed to light lime */
  color: #d4e896;
  text-align: ceter;
  max-width: none;
  margin: 1rem 0;
}

.contact-info strong {
  /* Changed to bright lime accent */
  color: #b4d95a;
}

#email {
  color: #b4d95a;
  text-decoration: none;
  
}

/* Footer */
footer {
  /* Changed to dark forest to teal gradient */
  background: linear-gradient(135deg, #0d4d4d 0%, #0c5066 100%);
  color: white;
  text-align: center;
  padding: 2rem;
  margin-top: 3rem;
  box-shadow: 0 -4px 20px rgba(13, 77, 77, 0.3);
}

footer p {
  font-size: 1rem;
  opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
  header h1 {
    font-size: 2rem;
  }

  header p {
    font-size: 1.1rem;
  }

  /* Mobile-optimized navigation */
  nav {
    padding: 0.3rem 0.5rem;
  }

  nav ul {
    flex-direction: row;
    justify-content: center;
    padding: 0.3rem 0;
    gap: 0.3rem;
  }

  nav ul li {
    margin: 0.2rem;
  }

  nav ul li a {
    padding: 0.5rem 0.7rem;
    font-size: 0.85rem;
  }

  section {
    padding: 2rem 5%;
  }

  section h2 {
    font-size: 1.8rem;
  }

  .gallery-item {
    width: 100%;
    max-width: 350px;
  }

  .ceo-profile {
    flex-direction: column;
    text-align: center;
  }

  .ceo-profile p {
    text-align: center;
  }
}

/* Loading Animation */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}