/* Font faces */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/Lato-Regular.woff2') format('woff2');
}

@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/Lato-Bold.woff2') format('woff2');
}

@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url('/fonts/Lato-Black.woff2') format('woff2');
}

/* Body */
body {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: 400;
  line-height: var(--line-height-body);
  color: var(--color-navy);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Headings */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 900;
  color: var(--color-navy);
  line-height: var(--line-height-heading);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }

/* Links */
a {
  color: var(--color-bright-blue);
  text-decoration: none;
  transition: color var(--transition-speed);
}

a:hover {
  text-decoration: underline;
}

/* Layout utilities */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--section-padding) 0;
}

.section--alt {
  background-color: var(--color-off-white);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  background-color: var(--color-bright-blue);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: var(--font-size-small);
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--color-bright-blue);
  border-radius: var(--card-radius);
  cursor: pointer;
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.btn:hover {
  background-color: #0d8ab8;
  border-color: #0d8ab8;
  text-decoration: none;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-bright-blue);
  border-color: var(--color-bright-blue);
}

.btn--outline:hover {
  background-color: var(--color-bright-blue);
  color: var(--color-white);
}

/* Writing card component (shared across pages) */
.writing-card {
  border-left: 4px solid var(--color-bright-blue);
  padding: 1.5rem;
}

.writing-card-title {
  font-size: var(--font-size-body);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.writing-card-title a {
  color: var(--color-navy);
}

.writing-card-title a:hover {
  color: var(--color-bright-blue);
  text-decoration: none;
}

.writing-card-date {
  font-size: var(--font-size-small);
  color: var(--color-mid-grey);
  margin-bottom: 0.75rem;
}

.writing-card-excerpt {
  font-size: var(--font-size-small);
  color: var(--color-mid-grey);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.writing-card-link {
  font-size: var(--font-size-small);
  font-weight: 700;
}

/* Page header (shared across inner pages) */
.page-header {
  padding-top: calc(var(--nav-height) + var(--section-padding));
}

.page-header-subtitle {
  font-size: var(--font-size-h3);
  color: var(--color-steel-blue);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.page-header-intro {
  max-width: var(--max-width-narrow);
  margin-bottom: 0;
}

/* CTA banner (shared across pages) */
.cta-banner {
  background-color: var(--color-navy);
  padding: calc(var(--section-padding) * 1.5) 0;
  text-align: center;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: 2rem;
  font-size: var(--font-size-h2);
}

.cta-banner .btn {
  background-color: var(--color-bright-blue);
  color: var(--color-white);
  border-color: var(--color-bright-blue);
  font-size: var(--font-size-body);
  padding: 1rem 2.5rem;
}

.cta-banner .btn:hover {
  background-color: var(--color-white);
  color: var(--color-navy);
  border-color: var(--color-white);
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}