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

:root {
  /* Backgrounds */
  --vp-c-bg: #fcfeff;
  /* Neutral White */
  --vp-c-bg-soft: #f5f7ff;
  /* A very light off-white for sections */
  --vp-c-white: #ffffff;

  /* Text */
  --vp-c-text-1: #080707;
  /* Dark Text */
  --vp-c-text-2: #333232;
  /* Medium Gray for subtitles */
  --vp-c-text-inverse-1: #fcfeff;
  --vp-c-text-inverse-2: #eaebee;

  /* Borders */
  --vp-c-border: #eaebee;

  /* Brand Colors from your Palette */
  --vp-c-brand: #031b7c;
  /* Primary: Deep Blue */
  --vp-c-brand-dark: #031b7c;
  --vp-c-header-bg: #ffffff;
  /* Solid White Header */
  --vp-c-accent: #b32a43;
  /* Accent: Crimson Red for CTAs */
  --vp-c-accent-dark: #9a243a;
  /* Darker Crimson for hover */
  --vp-c-accent-alt: #f8c21f;
  /* Secondary: Gold for highlights */
  --vp-c-footer-bg: #080707;
  /* Using Primary for the Footer BG */

  /* Typography */
  --vp-font-family-base: "Inter", sans-serif;
  --vp-font-family-headings: "Poppins", sans-serif;
}

body {
  font-family: var(--vp-font-family-base);
  background-color: var(--vp-c-bg);
  color: var(--vp-c-text-1);
  line-height: 1.7;
}

/* Header */
.header {
  background-color: var(--vp-c-header-bg);
  padding: 2rem 4rem;
  text-align: center;
  border-bottom: 1px solid var(--vp-c-border);
}

.header h1 {
  font-family: var(--vp-font-family-headings);
  color: var(--vp-c-brand);
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
}

.header p {
  font-size: 1.1rem;
  color: var(--vp-c-text-2);
}

/* Navigation */
.navbar {
  background-color: var(--vp-c-brand);
  padding: 1rem 4rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.nav-links a {
  color: var(--vp-c-text-inverse-1);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--vp-c-accent-alt);
}

/* Main Container */
.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
}

/* Month Section */
.month-section {
  margin-bottom: 4rem;
}

.month-section h2 {
  font-family: var(--vp-font-family-headings);
  font-size: 2.2rem;
  color: var(--vp-c-brand);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--vp-c-accent);
}

/* Week Grid */
.week-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1.5fr));
  gap: 1.5rem;
}

/* Week Card */
.week-card {
  background-color: var(--vp-c-white);
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  padding: 1.5rem;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.week-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.week-card h3 {
  font-family: var(--vp-font-family-headings);
  font-size: 1.5rem;
  color: var(--vp-c-text-1);
  margin-bottom: 1rem;
}

/* Resource Links */
.resource-links {
  list-style: none;
}

.resource-links li a {
  display: block;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  background-color: var(--vp-c-bg-soft);
  color: var(--vp-c-text-2);
  text-decoration: none;
  border-radius: 5px;
  transition:
    background-color 0.3s,
    color 0.3s;
  font-weight: 500;
}

.resource-links li a:hover {
  background-color: var(--vp-c-accent);
  color: var(--vp-c-white);
}

/* Footer */
.footer {
  background-color: var(--vp-c-footer-bg);
  color: var(--vp-c-text-inverse-2);
  text-align: center;
  padding: 2rem;
  margin-top: 4rem;
}