/**
 * NC State University Theme for Bootstrap 5
 * Implements NC State brand guidelines with modern CSS custom properties
 */

:root {
  /* NC State Brand Colors */
  --ncstate-red: #CC0000;
  --ncstate-red-dark: #990000;
  --ncstate-black: #000000;
  --ncstate-gray-dark: #333333;
  --ncstate-gray: #666666;
  --ncstate-gray-light: #CCCCCC;
  --ncstate-white: #FFFFFF;

  /* Accent Colors */
  --ncstate-blue: #427e93;
  --ncstate-green: #6F7D1C;

  /* Typography - Fluid Responsive Scaling */
  --font-size-base: clamp(1rem, 0.298vw + 0.857rem, 1.125rem);
  --font-size-h1: clamp(2.5rem, 1.5vw + 2rem, 3.5rem);
  --font-size-h2: clamp(2rem, 1.2vw + 1.6rem, 2.75rem);
  --font-size-h3: clamp(1.75rem, 1vw + 1.4rem, 2.25rem);
  --font-size-h4: clamp(1.5rem, 0.8vw + 1.2rem, 2rem);
  --font-size-h5: clamp(1.25rem, 0.6vw + 1rem, 1.75rem);
  --font-size-h6: clamp(1.125rem, 0.4vw + 0.9rem, 1.5rem);

  /* Override Bootstrap primary color */
  --bs-primary: var(--ncstate-red);
  --bs-primary-rgb: 204, 0, 0;
  --bs-link-color: var(--ncstate-red);
  --bs-link-hover-color: var(--ncstate-red-dark);
}

/* Body and Base Typography */
body {
  font-size: var(--font-size-base);
  color: var(--ncstate-gray-dark);
  line-height: 1.6;
}

/* Headings */
h1, .h1 {
  font-size: var(--font-size-h1);
  line-height: 1.25;
  font-weight: 700;
  color: var(--ncstate-black);
  margin-bottom: 1.5rem;
}

h2, .h2 {
  font-size: var(--font-size-h2);
  line-height: 1.25;
  font-weight: 700;
  color: var(--ncstate-black);
  margin-bottom: 1.25rem;
}

h3, .h3 {
  font-size: var(--font-size-h3);
  line-height: 1.25;
  font-weight: 700;
  color: var(--ncstate-gray-dark);
  margin-bottom: 1rem;
}

h4, .h4 {
  font-size: var(--font-size-h4);
  line-height: 1.25;
  font-weight: 700;
  color: var(--ncstate-gray-dark);
}

h5, .h5 {
  font-size: var(--font-size-h5);
  line-height: 1.25;
  font-weight: 700;
  color: var(--ncstate-gray-dark);
}

h6, .h6 {
  font-size: var(--font-size-h6);
  line-height: 1.25;
  font-weight: 700;
  color: var(--ncstate-gray-dark);
}

/* Links */
a {
  color: var(--ncstate-red);
  text-decoration: none;
}

a:hover {
  color: var(--ncstate-red-dark);
  text-decoration: underline;
}

/* Buttons */
.btn-primary {
  background-color: var(--ncstate-red);
  border-color: var(--ncstate-red);
  color: var(--ncstate-white);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  transition: all 0.2s ease-in-out;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--ncstate-red-dark);
  border-color: var(--ncstate-red-dark);
  color: var(--ncstate-white);
}

.btn-primary:active {
  background-color: var(--ncstate-red-dark) !important;
  border-color: var(--ncstate-red-dark) !important;
}

.btn-secondary {
  background-color: var(--ncstate-gray-dark);
  border-color: var(--ncstate-gray-dark);
  color: var(--ncstate-white);
  font-weight: 600;
}

.btn-secondary:hover {
  background-color: var(--ncstate-black);
  border-color: var(--ncstate-black);
}

/* Code blocks */
pre {
  background-color: #f5f5f5;
  border: 1px solid var(--ncstate-gray-light);
  border-radius: 4px;
  padding: 1rem;
  overflow-x: auto;
}

code {
  background-color: #f5f5f5;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9em;
}

pre code {
  background-color: transparent;
  padding: 0;
}

/* Horizontal rules */
hr {
  border-top: 2px solid var(--ncstate-gray-light);
  margin: 2rem 0;
}

/* Utility Classes */
.centered-div {
  width: 80%;
  text-align: center;
  margin: 50px 20px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .centered-div {
    width: 95%;
    margin: 30px 10px;
  }
}

/* Ensure proper spacing with NC State utility bar */
body {
  padding-top: 0;
}

/* Video responsive wrapper */
video {
  max-width: 100%;
  height: auto;
}

/* Image responsive */
img {
  max-width: 100%;
  height: auto;
}