:root {
  --navy: #1A365D;
  --slate: #4A5568;
  --bronze: #B7791F;
  --white: #FFFFFF;
  --off-white: #F7FAFC;
  --border-color: #E2E8F0;
  --text-main: #2D3748;
  --link-color: #2B6CB0;
  --link-hover: #2C5282;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  line-height: 1.6;
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Merriweather', serif;
  color: var(--navy);
  margin-bottom: 1rem;
  line-height: 1.3;
}

h1 { font-size: 2.5rem; margin-bottom: 1.5rem; }
h2 { font-size: 1.75rem; margin-top: 2rem; border-bottom: 2px solid var(--off-white); padding-bottom: 0.5rem; }
h3 { font-size: 1.25rem; margin-top: 1.5rem; }

p { margin-bottom: 1.25rem; }

a {
  color: var(--link-color);
  text-decoration: none;
  font-weight: 500;
}

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

li { margin-bottom: 0.5rem; }

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

header {
  background-color: var(--navy);
  color: var(--white);
  padding: 1.5rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: 'Merriweather', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}

.logo:hover {
  text-decoration: none;
  color: var(--off-white);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

nav a {
  color: var(--white);
  font-size: 0.95rem;
}

nav a:hover {
  color: var(--bronze);
  text-decoration: none;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Breadcrumbs */
.breadcrumbs {
  background-color: var(--off-white);
  padding: 0.75rem 0;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border-color);
}

.breadcrumbs a {
  color: var(--slate);
}

.breadcrumbs span {
  color: var(--text-main);
}

/* Main Content Grid */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  padding: 3rem 0;
}

main {
  min-width: 0;
}

/* Sidebar */
aside {
  background-color: var(--off-white);
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  align-self: start;
  position: sticky;
  top: 100px;
}

aside h3 {
  margin-top: 0;
  font-size: 1.1rem;
  border-bottom: 2px solid var(--bronze);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

aside ul {
  list-style: none;
  padding: 0;
}

aside li {
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

aside li:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

/* Callouts & Components */
.callout {
  background-color: var(--off-white);
  border-left: 4px solid var(--bronze);
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: 0 8px 8px 0;
}

.callout h4 {
  margin-top: 0;
  color: var(--navy);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: var(--navy);
  color: var(--white);
  font-family: 'Merriweather', serif;
}

tr:nth-child(even) {
  background-color: var(--off-white);
}

.btn {
  display: inline-block;
  background-color: var(--bronze);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  text-align: center;
  transition: background-color 0.2s;
}

.btn:hover {
  background-color: #975f15;
  color: var(--white);
  text-decoration: none;
}

/* Design Slots */
.design-slot {
  display: none; /* Hidden until enhanced */
}

/* Footer */
footer {
  background-color: var(--navy);
  color: var(--white);
  padding: 3rem 0;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  color: var(--bronze);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col a {
  color: #CBD5E0;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid var(--slate);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: #A0AEC0;
}

/* Responsive */
@media (max-width: 768px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
  
  nav ul {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--navy);
    padding: 1rem;
    border-top: 1px solid var(--slate);
  }
  
  nav ul.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  aside {
    position: static;
  }
}