/*
  Brand Design Tokens
  -------------------------------------------------------------
  Update these CSS variables to quickly change the brand look.
  Tailwind utility classes are used for layout/spacing/typography,
  while these tokens keep brand decisions centralized.
*/

@import "tailwindcss";

:root {
  /* Core brand colors */
  --brand-primary: #112250;   /* Space Indigo */
  --brand-accent: #0FA3B1;    /* Pacific Blue */
  --brand-neutral-bg: #FAFAFA; /* Soft neutral background */
  --brand-text: #112250;      /* Space Indigo for text */

  /* Optional highlight/secondary colors for future use */
  --brand-highlight: #B5E2FA; /* Icy Blue */
  --brand-surface: #D2F898;   /* Lime Cream */
  --brand-secondary: #72B01D; /* Lime Moss */

  /* Font families (easy to replace) */
  --brand-font-heading: 'Atkinson Hyperlegible', Arial, sans-serif;
  --brand-font-body: 'Lexend', Arial, sans-serif;
}

@layer base {
  body {
    background-color: var(--brand-neutral-bg);
    font-family: var(--brand-font-body);
    color: var(--brand-text);
  }

  h1, h2, h3, h4 {
    font-family: var(--brand-font-heading);
  }
}

/* Base typography */
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--brand-font-body);
  color: var(--brand-text);
  background-color: var(--brand-neutral-bg);
  font-feature-settings: "ss01";
}

h1, h2, h3, h4 { letter-spacing: -0.01em; font-weight: 700; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--brand-accent);
  outline-offset: 3px;
}

.page-title {
  color: var(--brand-primary);
  font-family: var(--brand-font-heading);
  font-weight: 700;
}

.page-copy {
  color: var(--brand-text);
  font-family: var(--brand-font-body);
}

.section-label {
  color: var(--brand-accent);
  font-family: var(--brand-font-body);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-title {
  color: var(--brand-primary);
  font-family: var(--brand-font-heading);
  font-weight: 700;
}

.card-copy {
  color: var(--brand-text);
  font-family: var(--brand-font-body);
}

/* Reusable component styles */
.brand-header,
.brand-footer {
  background-color: #fff;
  border-color: #e5e5e5;
}

.brand-panel-dark {
  background-color: var(--brand-primary);
  color: #fff;
}

.brand-panel-light {
  background-color: #fff;
  color: var(--brand-text);
}

.brand-accent-block {
  background-color: var(--brand-accent);
}

.brand-form-label {
  color: var(--brand-primary);
}

.brand-form-control {
  border: 1px solid #cbd5e1;
  color: var(--brand-text);
  background-color: #fff;
}

.brand-form-control:focus {
  border-color: var(--brand-accent);
  outline: none;
  box-shadow: 0 0 0 2px rgba(15, 163, 177, 0.2);
}

.brand-pill {
  background-color: var(--brand-accent);
  color: #fff;
}

.brand-button {
  background-color: var(--brand-accent);
  color: #fff;
  border-radius: 6px;
  transition: background 0.2s;
}

.brand-button:hover {
  background-color: var(--brand-primary);
  color: #fff;
}

.brand-link {
  color: var(--brand-primary);
  text-underline-offset: 2px;
  transition: color 0.2s;
}

.brand-link:hover,
.brand-link[aria-current="page"] {
  color: var(--brand-accent);
}

@layer components {
  .card {
    border-radius: 0.75rem;
    background: #fff;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgb(17 34 80 / 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }

  .tag {
    display: inline-flex;
    border-radius: 9999px;
    background: var(--brand-surface);
    padding: 0.25rem 0.75rem;
    color: var(--brand-primary);
    font-size: 0.875rem;
    font-weight: 700;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    border-radius: 0.5rem;
    background: var(--brand-accent);
    padding: 0.75rem 1.25rem;
    color: #fff;
    font-weight: 700;
    transition: background-color 0.2s ease;
  }

}

.card-soon {
  @apply text-slate-500 cursor-default;
  color: #64748b;
  cursor: default;
  transform: none;
}

.card-soon:hover {
  @apply transform-none shadow-sm;
  box-shadow: 0 1px 3px rgb(17 34 80 / 0.08);
  transform: none;
}

.card-soon-placeholder {
  background-color: var(--brand-highlight);
}

  .post-body {
    max-width: 65ch;
    color: var(--brand-text);
    font-family: var(--brand-font-body);
    font-size: 1.125rem;
    font-weight: 400;
    line-height: 1.625;
    text-align: left;
  }

  .post-body h2 {
    margin-top: 2.5em;
    margin-bottom: 0.75em;
    color: var(--brand-primary);
    font-family: var(--brand-font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.25;
  }

  @media (min-width: 768px) {
    .post-body h2 {
      font-size: 1.875rem;
    }
  }

  .post-body h3 {
    margin-top: 2em;
    margin-bottom: 0.75em;
    color: var(--brand-primary);
    font-family: var(--brand-font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.25;
  }

  @media (min-width: 768px) {
    .post-body h3 {
      font-size: 1.5rem;
    }
  }

  .post-body > :first-child {
    margin-top: 0;
  }

  .post-body p {
    margin-bottom: 1.5em;
    color: var(--brand-text);
    font-family: var(--brand-font-body);
    font-size: 1.125rem;
    font-weight: 400;
    line-height: 1.625;
    text-align: left;
  }

  .post-body ul,
  .post-body ol {
    margin-bottom: 1.5em;
    padding-left: 1.5rem;
    font-size: 1.125rem;
    line-height: 1.625;
    list-style-position: outside;
  }

  .post-body li + li {
    margin-top: 0.5rem;
  }

  .post-body blockquote {
    margin-bottom: 1.5em;
    border-left: 0.25rem solid var(--brand-secondary);
    padding-left: 1.25rem;
  }

  .post-body a {
    overflow-wrap: break-word;
    color: var(--brand-accent);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 0.25rem;
  }

  .post-body a:focus-visible {
    outline: 0.1875rem solid var(--brand-accent);
    outline-offset: 0.1875rem;
  }

  .post-body h2 + *,
  .post-body h3 + * {
    margin-top: 0;
  }

  .post-body h2 + ol,
  .post-body h2 + ul {
    font-size: 1rem;
    line-height: 1.5;
  }

  .post-body h2:last-of-type + ol,
  .post-body h2:last-of-type + ul {
    margin-top: 0;
  }

  .post-body img {
    margin-top: 2rem;
    margin-bottom: 2rem;
    border-radius: 0.75rem;
  }

.card:hover {
  transform: translateY(-0.25rem);
  box-shadow: 0 10px 25px rgb(17 34 80 / 0.12);
}

.btn:hover {
  background: var(--brand-primary);
}

.form-input {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 0.5rem;
  background-color: #fff;
  padding: 0.75rem 1rem;
  color: var(--brand-text);
}

.form-input:focus {
  border-color: var(--brand-accent);
}

/* Fallbacks keep the static GitHub Pages CDN setup working without a local build. */
.bg-primary { background-color: var(--brand-primary); }
.bg-accent { background-color: var(--brand-accent); }
.bg-neutral-bg { background-color: var(--brand-neutral-bg); }
.bg-surface { background-color: var(--brand-surface); }
.text-primary { color: var(--brand-primary); }
.text-accent { color: var(--brand-accent); }
.text-ink { color: var(--brand-text); }
.border-highlight { border-color: var(--brand-highlight); }
.font-heading { font-family: var(--brand-font-heading); }
.font-body { font-family: var(--brand-font-body); }

/* Top navigation bar */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100vw;
  min-width: 100vw;
  height: 4rem;
  z-index: 20;
  display: flex;
  align-items: center;
  padding: 0;
  border-bottom: 1px solid var(--brand-primary);
  background-color: var(--brand-neutral-bg);
  border-color: var(--brand-primary);
  transition: background-color 0.3s ease, border-color 0.3s ease;
  box-sizing: border-box;
}

@media (max-width: 640px) {
  nav > a {
    font-size: 1.125rem;
  }

  nav .flex {
    gap: 0.5rem;
  }

  nav .flex a {
    font-size: 0.75rem;
  }
}