/* VINE Guidelines 2026 — Global Styles */
/* Fonts loaded via <link> in BaseLayout.astro for non-blocking delivery */

:root {
  --color-white: #ffffff;
  --color-navy: #1a2744;
  --color-navy-light: #2a3a5c;
  --color-black: #1a1a1a;
  --color-highlight: #40b2cf;
  --color-highlight-light: #e8f6fa;
  --color-highlight-dark: #1a6b7f;
  --color-gray-50: #f8f9fa;
  --color-gray-100: #f0f2f4;
  --color-gray-200: #e2e5e9;
  --color-gray-300: #c8cdd4;
  --color-gray-500: #6b7280;
  --color-gray-700: #374151;

  /* Venn diagram colours */
  --color-tl: #40b2cf;       /* Teaching & Learning — highlight blue */
  --color-ew: #1a2744;       /* Ethics & Wellbeing — navy */
  --color-ps: #2d8da6;       /* Privacy & Security — dark teal */

  --font-sans: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;

  --max-width: 1200px;
  --content-width: 800px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-black);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-navy);
  line-height: 1.25;
  font-weight: 700;
}

h1 { font-size: 2.75rem; margin-bottom: 1rem; }
h2 { font-size: 2rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
h4 { font-size: 1.125rem; margin-bottom: 0.5rem; }

p { margin-bottom: 1rem; }

a {
  color: var(--color-highlight-dark);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--color-highlight);
}

img {
  max-width: 100%;
  height: auto;
}

/* Utility */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.content-narrow {
  max-width: var(--content-width);
  margin: 0 auto;
}

.section {
  padding: 5rem 0;
}

.section--gray {
  background: var(--color-gray-50);
}

.section--gradient {
  background: linear-gradient(135deg, var(--color-white) 0%, var(--color-highlight-light) 100%);
}

.section--navy {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: var(--color-white);
}
.section--navy h2,
.section--navy h3,
.section--navy h4 {
  color: var(--color-white);
}
.section--navy a {
  color: var(--color-highlight);
}
.section--navy .btn--primary {
  background: var(--color-white);
  color: var(--color-navy);
}
.section--navy .btn--primary:hover {
  background: var(--color-highlight-dark);
  color: var(--color-white);
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-highlight-dark);
  background: var(--color-highlight-light);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.lead {
  font-size: 1.2rem;
  color: var(--color-gray-700);
  line-height: 1.8;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 12px;
  padding: 2rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

.card h3 {
  font-size: 1.25rem;
}

.card__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-highlight);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-navy);
  color: var(--color-white);
}
.btn--primary:hover {
  background: var(--color-highlight-dark);
  color: var(--color-white);
}

.btn--outline {
  background: transparent;
  color: var(--color-navy);
  border: 2px solid var(--color-gray-200);
}
.btn--outline:hover {
  border-color: var(--color-highlight);
  color: var(--color-highlight);
}

/* Guiding statement blocks */
.statement {
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-gray-200);
}
.statement:last-child {
  border-bottom: none;
}

.statement__id {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-highlight-dark);
  margin-bottom: 0.25rem;
}

/* Tool cards */
.tool-card {
  background: var(--color-white);
  border-left: 4px solid var(--color-highlight);
  border-radius: 0 12px 12px 0;
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.tool-card h3 {
  font-size: 1.125rem;
  color: var(--color-navy);
}

.tool-card__id {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-highlight-dark);
  margin-bottom: 0.25rem;
}

/* Checklist styling */
.checklist {
  list-style: none;
  padding: 0;
}
.checklist li {
  position: relative;
  padding: 0.5rem 0 0.5rem 2rem;
  line-height: 1.6;
}
.checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-gray-300);
  border-radius: 4px;
}

/* Table styling */
.table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

th {
  text-align: left;
  background: var(--color-navy);
  color: var(--color-white);
  padding: 0.875rem 1rem;
  font-weight: 600;
  font-size: 0.875rem;
}

th:first-child {
  border-radius: 8px 0 0 0;
}
th:last-child {
  border-radius: 0 8px 0 0;
}

td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--color-gray-200);
  vertical-align: top;
}

tr:nth-child(even) td {
  background: var(--color-gray-50);
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .section { padding: 3rem 0; }
  .container { padding: 0 1.25rem; }

  .card-grid {
    grid-template-columns: 1fr;
  }
}