:root {
  /* Your Official Brand Colors */
  --green-dark:    #1a3017;
  --green-panel:   #1e3a1b;
  --army-green:    #2d5a27;
  --army-mid:      #3d7a35;
  --army-light:    #5a9e50;
  --gold:          #c9a84c;
  --gold-light:    #e8c96e;
  --cream:         #f8f5ee;
  --off-white:     #f2efe7;
  --text-dark:     #1a2a18;
  --text-mid:      #3a4f38;
  --text-soft:     #607a5e;
  --white:         #ffffff;
  --card-bg:       #ffffff;
  
  /* Shadows, Radius, and Animations */
  --shadow-sm:     0 2px 12px rgba(45,90,39,0.08);
  --shadow-md:     0 6px 30px rgba(45,90,39,0.12);
  --shadow-lg:     0 16px 60px rgba(45,90,39,0.16);
  --radius:        14px;
  --radius-sm:     8px;
  --transition:    all 0.35s cubic-bezier(0.4,0,0.2,1);
}

/* --- Base Resets --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Open Sans', 'Source Sans 3', sans-serif;
}

body {
  background-color: var(--off-white);
  color: var(--text-dark);
  line-height: 1.6;
}

/* --- Navigation Bar --- */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
}

.nav-brand {
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 1px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-mid);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--army-green);
}

/* --- Main Layout & Intro Card --- */
main {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 2rem;
  min-height: calc(100vh - 70px);
}
/* --- Logo Card Styling --- */
.intro-logo {
  background-color: var(--green-dark); /* Uses your official dark green */
  padding: 3px 5px;                  /* Creates the card space around the logo */
  border-radius: var(--radius-sm);     /* Soft rounded corners */
  box-shadow: var(--shadow-sm);        /* Subtle shadow to lift it off the page */
  width: 150px;                        /* Slightly wider to account for padding */
  height: auto;
  margin-bottom: 1.5rem;
  display: inline-block;               /* Keeps it centered */
}

.intro-card {
  text-align: center;
  max-width: 800px;
  width: 100%;
}

.intro-card h1 {
  font-size: 2.5rem;
  color: var(--green-dark);
  margin-bottom: 0.5rem;
}

/* --- Instructions Box --- */
.instructions-box {
  background: var(--card-bg);
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  text-align: left;
  margin-bottom: 2.5rem;
}

.instructions-box h2 {
  color: var(--army-green);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.instructions-box ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

/* Custom Checkmark for List Items (Matches your screenshot) */
.instructions-box li {
  color: var(--text-soft);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 1rem;
}

.instructions-box li::before {
  content: '✓';
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 22px;
  height: 22px;
  background-color: var(--cream);
  color: var(--gold);
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: bold;
  flex-shrink: 0;
  margin-top: 2px;
}

.instructions-box a {
  color: var(--army-light);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.instructions-box a:hover {
  color: var(--army-green);
  text-decoration: underline;
}

/* --- Buttons --- */
.btn-start {
  background-color: var(--gold);
  color: var(--text-dark);
  border: none;
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 50px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.btn-start:hover {
  background-color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* --- Video Overlay UI --- */
#videoContainer {
  display: none;
  background: #000;
  width: 100vw;
  height: 100vh;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
}

#testVideo {
  max-width: 100%;
  max-height: 100vh;
  outline: none;
}

.btn-exit {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.6);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 12px 24px;
  border-radius: 50px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.btn-exit:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
  color: black;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 1rem;
  }
  
  .intro-card h1 {
    font-size: 2rem;
  }
  
  .instructions-box {
    padding: 1.5rem;
  }
}