/* Author: Wai Phyo Aung 
   Project: FitZone Fitness Center (HND Batch 68) [cite: 59, 13]
   Description: Integrated Modern Fitness Branding with Neon & Dark Theme [cite: 62, 83]
*/

/* --- Global Variables --- */
:root {
  --fitzone-neon: #ccff00; /* Branded Neon Green [cite: 83] */
  --fitzone-dark: #121212; /* Dark Background [cite: 88] */
  --fitzone-light: #f8f9fa;
  --transition-smooth: 0.4s ease-in-out;
}

/* --- Base Styles --- */
body {
  font-family: 'Montserrat', sans-serif; /* Specified Font [cite: 27] */
  background-color: var(--fitzone-light);
  color: #333;
  overflow-x: hidden;
}

/* --- Navigation Styling --- */
.navbar {
  background-color: var(--fitzone-dark) !important;
  padding: 0.8rem 0;
  border-bottom: 2px solid rgba(204, 255, 0, 0.1);
}

.navbar-brand {
  letter-spacing: 2px;
  font-size: 1.5rem;
}

.navbar-brand img {
  height: 45px;
  margin-right: 10px;
}

/* Active Page Highlight [Requirement: Visual Feedback & Consistency] [cite: 67, 89] */
.navbar-nav .nav-link {
  color: #ffffff !important;
  margin: 0 10px;
  position: relative;
  transition: var(--transition-smooth);
}

.navbar-nav .nav-link.active {
  color: var(--fitzone-neon) !important;
  font-weight: 700;
}

/* Using border-bottom for active state highlight [cite: 67] */
.navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background: var(--fitzone-neon);
  bottom: -5px;
  left: 0;
}

/* --- Hero Video Section [Requirement: Multimedia & Branding] [cite: 73, 84] --- */
.hero-video-container {
  position: relative;
  height: 90vh;
  width: 100%;
  overflow: hidden;
  background-color: #000;
}

.hero-bg-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  z-index: 0;
  transform: translate(-50%, -50%);
  object-fit: cover;
}

.hero-video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.65); /* Managed Background for contrast [cite: 88] */
  z-index: 1;
}

/* --- Buttons & Interactions [Requirement: Interactive & Animations] [cite: 90, 92] --- */
.btn-neon {
  background-color: var(--fitzone-neon) !important;
  color: #000 !important;
  border-radius: 50px;
  padding: 12px 30px;
  font-weight: bold;
  transition: var(--transition-smooth);
  border: none !important;
}

.btn-neon:hover {
  transform: translateY(-5px) scale(1.05); /* Combined hover animations [cite: 92] */
  box-shadow: 0 10px 20px rgba(204, 255, 0, 0.4);
  background-color: #b3e600 !important;
}

/* --- Content Sections [cite: 69, 88] --- */
.feature-card {
  border-radius: 15px;
  transition: var(--transition-smooth);
  border: none !important;
}

.feature-card:hover {
  transform: translateY(-10px); /* Interactive hover [cite: 92] */
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.hover-shadow:hover {
  filter: brightness(1.1);
  transition: 0.3s;
}

/* --- Responsive Adjustments [Requirement: Mobile-friendly] [cite: 60, 87] --- */
@media (max-width: 992px) {
  .hero-video-container {
    height: 70vh;
  }
  .display-1 {
    font-size: 3.5rem;
  }
  .navbar-nav .nav-link.active::after {
    width: 30px; /* Smaller underline on mobile */
  }
}

/* --- Footer Styling --- */
footer {
  background-color: var(--fitzone-dark);
  color: #fff;
}

footer a:hover {
  color: var(--fitzone-neon) !important;
}

/* About Page Header Styling  */
.about-header {
  background-size: cover !important; /* Image will cover the entire header area  */
  background-position: center !important; /* Center the image */
  background-attachment: fixed; /* Parallax effect */
  
  padding: 140px 0; /* Vertical spacing [cite: 69] */
  color: white; /* Text color  */
  position: relative;
  overflow: hidden;
}

/* Branded bottom border  */
.about-header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--fitzone-neon); /* Neon green from root variables  */
}