/* Cleaned CSS: Hero, Cards, Footer */

/* Root Colors and Variables */
:root {
  --primary-color: #0099d8; /* R Consortium */
  --secondary-color: #004f9f; /* Linux Foundation */
  --accent-color: #0072c6; /* Hybrid */
  --text-dark: #1e293b;
  --text-light: #64748b;
  --background-light: #f8fafc;
}

body {
  font-family: "Open Sans", "Helvetica Neue", sans-serif;
  color: var(--text-dark);
  background: var(--background-light);
  margin: 0;
  padding: 0;
}

.bg-primary {
  color: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/*-- navbar --*/
.navbar {
  padding-top: 0;
  padding-bottom: 0;
  font-size: 1.1em;
  /*font-family: "Monaco", monospace;*/
  letter-spacing: normal;
}

.navbar-brand {
  font-size: 1.1em;
  font-weight: bold;
  /*color: #4c51bf; /* Indigo-700 */
}

.navbar-logo {
  max-height: 60px;
  width: auto;
  align-items: baseline;
}

/* Hero Section */

.hero-section {
  position: relative; /* Needed for absolute positioning inside */
  padding-top: 4rem;  /* Make sure there's enough top padding */
  min-height: 90vh;
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  padding: 2rem;
}

/*logo on the homepage*/
.hero-logo-fixed {
  position: absolute;
  top: 5rem;           /* Push down more if needed */
  left: 15rem;
  max-height: 150px;
  width: auto;
  z-index: 10;
  opacity: 0.95;
}

.hero-content {
  max-width: 800px;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}


/* Call to Action Button - become a member button*/
.cta-button {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  color: white;
  padding: 1rem 2rem;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
}

.cta-button:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* Cards Section */
.cards-section {
  padding: 4rem 2rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.card-link {
  /* Make the entire card clickable */
  display: block;
  /* bold text */
  font-weight: bold;
  color: var(--text-dark);
}

.card:hover {
  transform: translateY(-5px);
}


/* Footer */
.footer {
  background: #d4e5f8;
  padding: 2rem;
  text-align: center;
}

.footer a {
  color: var(--text-dark);
  text-decoration: none;
}

.footer a:hover {
  color: var(--text-light);
}

@media (max-width: 768px) {
  /* Logo tweaks */
.hero-logo-fixed {
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  max-height: 150px;
}

  /* Push hero content down so it doesn't overlap logo */
.hero-content {
    margin-top: 7rem;
  }

  /* Navbar layout fixes rusers website */
.navbar {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    width: 100%;
  }

.navbar .quarto-title {
    font-size: 1.5rem;
    text-align: center;
    width: 100%;
  }

.navbar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
    width: 100%;
  }

.navbar-nav .nav-item {
    width: 100%;
    text-align: left;
    /* change the size and bold text*/
    font-size: 1.2rem;
    font-weight: bold;
  }

.navbar-nav .nav-link {
    display: block;
    padding: 0.75rem 1rem;
    width: 100%;
  }
}

/* running logos */
.logo-marquee {
  overflow: hidden;
  white-space: nowrap;
  background: white;
  padding: 2rem 0;
  margin: 3rem 0;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  position: relative;
}

.logo-marquee-content {
  display: inline-flex;
  animation: marquee 60s linear infinite;
  width: max-content;
}

.logo-marquee .logo-item {
  flex-shrink: 0;
  margin: 0 2rem;
  filter: grayscale(30%);
  transition: filter 0.3s ease;
}

.logo-marquee .logo-item:hover {
  filter: grayscale(0%);
}

.logo-marquee .logo-item img {
  max-height: 50px;
  opacity: 0.8;
}

.logo-marquee .logo-item:hover img {
  opacity: 1;
}

/* Keyframes for scroll effect */
@keyframes marquee {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(-100%);
  }
}