/* ============================================================
   DrN Website — style.css
   Targets Org-mode's ox-html output
   ============================================================ */

/* --- Google Fonts ------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Heebo:wght@400;600&family=Signika:wght@500;700&display=swap');

/* --- Theme (light) ------------------------------------------------ */
:root {
  --color-primary: #9b3333;
  --color-body-bg: #fffffd;
  --color-text: #444444;
  --color-text-dark: #252525;
  --color-text-light: #717171;
  --color-border: #de3535;
  --color-theme-light: #f8f8f8;

  --font-primary: Heebo, sans-serif;
  --font-secondary: Signika, sans-serif;
  --font-size-base: 16px;
  --line-height: 1.625;

  --max-width: 1320px;
  --nav-height: 70px;
}

/* --- Dark mode (class toggle) ------------------------------------- */
html.dark {
  --color-primary: #fffffd;
  --color-body-bg: #252525;
  --color-text: #B4AFB6;
  --color-text-dark: #fffffd;
  --color-text-light: #B4AFB6;
  --color-border: #fffffd;
  --color-theme-light: #1c1c1c;
}

/* System dark mode (when no explicit theme set) */
@media (prefers-color-scheme: dark) {
  html:not(.light) {
    --color-primary: #fffffd;
    --color-body-bg: #252525;
    --color-text: #B4AFB6;
    --color-text-dark: #fffffd;
    --color-text-light: #B4AFB6;
    --color-border: #fffffd;
    --color-theme-light: #1c1c1c;
  }
}

/* ================================================================
   RESET & BASE
   ================================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-weight: 400;
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-body-bg);
  -webkit-font-smoothing: antialiased;
}

/* ================================================================
   TYPOGRAPHY
   ================================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text-dark);
}

h1, .h1 { font-size: clamp(1.563rem, 4vw, 2.441rem); }
h2, .h2 { font-size: clamp(1.25rem, 3vw, 1.953rem); }
h3, .h3 { font-size: clamp(1.125rem, 2vw, 1.563rem); }
h4, .h4 { font-size: 1.25rem; font-weight: 500; }
h5, .h5 { font-size: 1rem; font-weight: 500; }
h6, .h6 { font-size: 0.889rem; font-weight: 500; }

h2, h3, h4, h5, h6 { margin-top: 1.5em; margin-bottom: 0.5em; }
h1 { margin-bottom: 0.75em; }

a {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}
a:hover { color: var(--color-primary); }

p { margin-bottom: 1.25rem; }

strong, b { font-weight: 600; color: var(--color-text-dark); }

img { max-width: 100%; height: auto; border-radius: 4px; }

/* ================================================================
   BLOCKQUOTE
   ================================================================ */
blockquote {
  margin: 2rem 0;
  padding: 2rem 2rem 2rem 2.5rem;
  border-left: 10px solid var(--color-primary);
  border-radius: 8px;
  background: var(--color-theme-light);
  font-family: var(--font-secondary);
  font-size: 1.25rem;
  color: var(--color-text-dark);
}
blockquote p { margin-bottom: 0; }

/* ================================================================
   CODE
   ================================================================ */
code {
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 0.875em;
  padding: 0.15em 0.4em;
  border-radius: 4px;
  background: var(--color-theme-light);
}

pre {
  margin: 1.5rem 0;
  padding: 1.25rem;
  border-radius: 8px;
  background: var(--color-theme-light);
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.5;
}
pre code { padding: 0; background: none; font-size: inherit; }

/* ================================================================
   TABLES
   ================================================================ */
table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
th, td { padding: 0.75rem 1rem; text-align: left; border: 1px solid var(--color-border); }
th { background: var(--color-theme-light); font-family: var(--font-secondary); font-weight: 700; color: var(--color-text-dark); }

/* ================================================================
   LISTS / HR
   ================================================================ */
ul, ol { margin: 0 0 1.25rem 1.5rem; }
li { margin-bottom: 0.25rem; }
hr { margin: 2rem 0; border: none; border-top: 1px solid var(--color-border); }

/* ================================================================
   NAVIGATION
   ================================================================ */
#preamble {
  width: 100%;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background: var(--color-body-bg);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  height: var(--nav-height);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.nav-logo img { height: 38px; width: auto; border-radius: 0; }

/* Show/hide logo based on theme */
.logo-dark  { display: none; }
html.dark .logo-dark { display: block; }
html.dark .logo-light { display: none; }
@media (prefers-color-scheme: dark) {
  html:not(.light) .logo-dark { display: block; }
  html:not(.light) .logo-light { display: none; }
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.25rem;
}
.nav-links li { margin: 0; }
.nav-links a {
  display: block;
  padding: 0.5rem 0.75rem;
  font-weight: 600;
  color: var(--color-text-dark);
  text-decoration: none;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--color-primary); background: var(--color-theme-light); }

/* ================================================================
   THEME TOGGLE
   ================================================================ */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  border-radius: 4px;
  background: none;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--color-text-dark);
  transition: background 0.2s;
  margin-left: 0.5rem;
}
.theme-toggle:hover { background: var(--color-theme-light); }

/* ================================================================
   MAIN LAYOUT
   ================================================================ */
#content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}
.site-content { padding-top: 1rem; }
main#content { min-height: 70vh; }

/* Section-style outlines */
.outline-2 {
  padding: 4rem 0;
}
.outline-2 + .outline-2 {
  border-top: 1px solid var(--color-border);
}

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display: inline-block;
  padding: 0.625rem 1.25rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover { background: #7a2828; color: #fff; }

html.dark .btn-primary {
  background: #fff; color: #252525; border-color: #fff;
}
html.dark .btn-primary:hover {
  background: #ddd; color: #252525;
}
@media (prefers-color-scheme: dark) {
  html:not(.light) .btn-primary {
    background: #fff; color: #252525; border-color: #fff;
  }
  html:not(.light) .btn-primary:hover {
    background: #ddd; color: #252525;
  }
}

/* ================================================================
   BLOG CARDS
   ================================================================ */
.blog-card {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}
.blog-card:last-child { border-bottom: none; }
.blog-card h2 { margin-top: 0; }
.blog-card h2 a { text-decoration: none; color: var(--color-text-dark); }
.blog-card h2 a:hover { color: var(--color-primary); }
.blog-card time { font-size: 0.875rem; color: var(--color-text-light); }

/* ================================================================
   TAGS
   ================================================================ */
.tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2em 0.6em;
  border-radius: 4px;
  background: var(--color-theme-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ================================================================
   FOOTER
   ================================================================ */
#postamble {
  width: 100%;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 1.5rem;
  background: var(--color-theme-light);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-logo {
  display: flex;
  align-items: center;
}
.footer-logo img { height: 32px; width: auto; border-radius: 0; }

.footer-social { display: flex; gap: 1rem; }
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 4px;
  background: var(--color-primary);
  color: #fff;
  transition: background 0.2s;
}
.footer-social a:hover { background: #7a2828; }

html.dark .footer-social a { background: #fff; color: #252525; }
@media (prefers-color-scheme: dark) {
  html:not(.light) .footer-social a { background: #fff; color: #252525; }
}

.footer-copy {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin: 0;
}

/* ================================================================
   HELPERS / TEAM
   ================================================================ */
.profile-img {
  border-radius: 50%;
  object-fit: cover;
  float: left;
  margin: 0 1.25rem 0.5rem 0;
}
.text-center { text-align: center; }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 768px) {
  h1 { font-size: 1.563rem; }
  h2 { font-size: 1.25rem; }
  .nav-inner { padding: 0 1rem; }
  .nav-links a { padding: 0.5rem; font-size: 0.875rem; }
  #content { padding: 1.5rem 1rem 3rem; }
  .outline-2 { padding: 2.5rem 0; }
}