:root {
  --forest-green: #2d5a27;
  --sage-green: #8ba888;
  --earth-brown: #8b7355;
  --forest-blue: #2c4a5a;
  --cream: #f8f6f3;
  --light-sage: #e8eae6;
}

html {
  font-size: 14px;
  position: relative;
  min-height: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--light-sage);
  color: #333;

  /* A deep blue-green inspired base color */
  background-color: #124a59;
  /* Two overlapping radial gradients to evoke abstract, organic shapes */
  background-image: 
    radial-gradient(circle at 20% 20%, rgba(0,150,136,0.4), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(0,188,212,0.4), transparent 40%);
  background-blend-mode: screen;
  background-size: cover;
  background-attachment: fixed;
}

.page-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1 0 auto;
  padding: 2rem 0;
  background-color: var(--cream);
  box-shadow: 0 0 10px rgba(0,0,0,0.05);

  @media (min-width: 768px) {
    padding: 5rem 0;
  }
}

h1, h2, h3, h4, h5, h6 {
  color: var(--forest-blue);
}

a {
  color: var(--earth-brown);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
  text-decoration-color: var(--bs-gray-300);
  transition: color 0.3s ease;
}

a:hover {
  color: var(--forest-green);
  text-decoration-color: var(--bs-gray-400);
}

a:visited {
  color: var(--forest-blue);
  font-weight: 500;
}

a:visited:hover {
  color: var(--forest-green);
}

.btn-primary {
  background-color: var(--forest-green);
  border-color: var(--forest-green);
  color: white;
}

.btn-primary:hover {
  background-color: var(--forest-blue);
  border-color: var(--forest-blue);
  color: var(--cream);
}

.btn-outline-primary {
  color: var(--forest-green);
  border-color: var(--forest-green);
}

.btn-outline-primary:hover {
  background-color: var(--forest-blue);
  border-color: var(--forest-blue);
  color: var(--cream) !important;
}

.btn-outline-secondary:hover {
    color: #fff !important;
}

blockquote {
    border-left: 4px solid var(--forest-blue);
    background-color: var(--light-sage) !important;
}

blockquote cite {
    display: block;
    margin-top: 1rem;
    margin-left: 2rem;
    font-style: italic;
    color: var(--forest-blue);
}

.btn {
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.footer {
  flex-shrink: 0;
  position: relative;
  bottom: 0;
  width: 100%;
  white-space: nowrap;
  line-height: 60px;
  color: var(--cream);
}

.footer .container {
  background-color: rgba(245, 245, 220, 0.1);
}

.header {
  padding: 0.5rem 0;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.header .navbar {
  background-color: rgba(47, 79, 79, 0.5) !important;
  border-bottom: 1px solid rgba(245, 245, 220, 0.1);
}

.header .navbar-brand {
  color: var(--cream) !important;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  padding: 0.25rem 0;
}

.header .brand-name {
  font-size: 1.5rem;
  letter-spacing: 0.5px;
}

.header .brand-title {
  font-size: 0.9rem;
  font-weight: 400;
  opacity: 0.9;
  letter-spacing: 1px;
}

.header .nav-link {
  color: var(--cream) !important;
  opacity: 0.9;
}

.header .nav-link:hover {
  color: var(--sage-green) !important;
  opacity: 1;
}

.header .navbar-toggler {
  border: none;
  padding: 0;
  width: 36px;
  height: 36px;
  position: relative;
  background: transparent;
  margin-right: -0.5rem;
}

.header .navbar-toggler::before,
.header .navbar-toggler::after,
.header .navbar-toggler-icon {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--cream);
  background-image: none;
  position: absolute;
  left: 8px;
  transition: transform 0.1s ease-in-out;
}

.header .navbar-toggler::before {
  top: 12px;
}

.header .navbar-toggler-icon {
  top: 17px;
}

.header .navbar-toggler::after {
  top: 22px;
}

.header .navbar-toggler[aria-expanded="true"]::before {
  transform: translateY(5px) rotate(45deg);
}

.header .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
  opacity: 0;
}

.header .navbar-toggler[aria-expanded="true"]::after {
  transform: translateY(-5px) rotate(-45deg);
}

.header a {
  color: var(--cream) !important;
}

.header a:hover {
  color: var(--sage-green) !important;
}

/* Custom container for book-like reading experience */
.container {
    max-width: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
}

/* Header container with more modest margins */
.header .container {
    max-width: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
        padding-left: 2rem;
        padding-right: 2rem;
    }
    
    .header .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 800px;
    }
    
    .header .container {
        max-width: 800px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 900px;
        padding-left: 3rem;
        padding-right: 3rem;
    }
    
    .header .container {
        max-width: 900px;
    }
}

@media (min-width: 1400px) {
    .container {
        max-width: 1000px;
        padding-left: 4rem;
        padding-right: 4rem;
    }
    
    .header .container {
        max-width: 1000px;
    }
}