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

body {
  font-family: Arial, sans-serif;
  color: #ffffff;
  background-color: #ffffff;
  overflow-x: hidden;
}

/* Background Video Styles */
.video-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  transition: opacity 0.5s ease;
}

.video-background video,
.video-background img {
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  object-fit: cover;
}

/* Dark Overlay for Text Readability */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.45);
  z-index: 0;
  transition: opacity 0.5s ease;
}

body.scrolled .video-background,
body.scrolled .overlay {
  opacity: 0;
  pointer-events: none;
}

body.scrolled .content-lower,
body.scrolled .content-lower h2,
body.scrolled .content-lower h3,
body.scrolled .content-lower p,
body.scrolled .content-lower li,
body.scrolled .content-lower a {
  color: #333333;
}

/* Top Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.8rem 2rem;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  transition: background 0.3s ease;
}

.navbar ul {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2.5rem;
}

.navbar a {
  color: #ffffff;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: bold;
  letter-spacing: 1px;
  transition: color 0.3s ease;
}

.navbar a:hover {
  color: #00bcd4;
}

.nav-logo-item {
  display: flex;
  align-items: center;
}

.nav-logo {
  height: 55px;
  width: auto;
  border-radius: 50%;
  display: block;
  transition: transform 0.3s ease;
}

.nav-logo:hover {
  transform: scale(1.05);
}

/* Mobile Toggle Hamburger Button */
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px 0;
  background: #ffffff;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Brand Logo Wrapper in Header */
.mobile-nav-logo {
  display: none;
}

/* Hero Content Wrapper */
.content-hero {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  text-align: center;
  padding: 80px 20px 40px;
}

.content-hero h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  margin-bottom: 1rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.content-hero p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  max-width: 600px;
  line-height: 1.6;
}

/* Responsive Grid Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.col-1  { width: 8.333%;  padding: 0 15px; }
.col-2  { width: 16.666%; padding: 0 15px; }
.col-3  { width: 25%;     padding: 0 15px; }
.col-4  { width: 33.333%; padding: 0 15px; }
.col-5  { width: 41.666%; padding: 0 15px; }
.col-6  { width: 50%;     padding: 0 15px; }
.col-7  { width: 58.333%; padding: 0 15px; }
.col-8  { width: 66.666%; padding: 0 15px; }
.col-9  { width: 75%;     padding: 0 15px; }
.col-10 { width: 83.333%; padding: 0 15px; }
.col-11 { width: 91.666%; padding: 0 15px; }
.col-12 { width: 100%;    padding: 0 15px; }

/* Lower Content Container */
.content-lower {
  position: relative;
  z-index: 1;
  padding: 80px 0 60px 0;
  color: #ffffff;
  transition: color 0.5s ease;
}

.content-lower h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.content-lower h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: center;
}

.content-lower h3 {
  font-size: clamp(1.2rem, 3vw, 1.4rem);
  margin: 2rem 0 1rem 0;
}

.content-lower p {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.content-lower ul {
  list-style-type: disc;
  margin-left: 20px;
  margin-bottom: 1.5rem;
}

.content-lower li {
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

img {
  max-width: 100%;
  height: auto;
}

/* Tablet & Mobile Media Queries */
@media (max-width: 768px) {
  .navbar {
    justify-content: space-between;
    padding: 0.8rem 1.5rem;
  }

  .mobile-nav-logo {
    display: block;
  }

  .mobile-nav-logo img {
    height: 45px;
    width: auto;
    border-radius: 50%;
  }

  .nav-toggle {
    display: block;
  }

  .navbar ul {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(15, 15, 15, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-in-out, padding 0.3s ease;
  }

  .navbar ul.active {
    max-height: 450px;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .navbar ul li {
    width: 100%;
    text-align: center;
  }

  .navbar ul li a {
    display: block;
    padding: 0.85rem 1rem;
    font-size: 1.1rem;
  }

  .nav-logo-item {
    display: none;
  }

  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6, 
  .col-7, .col-8, .col-9, .col-10, .col-11, .col-12 {
    width: 100%;
    margin-bottom: 20px;
  }
}