/* ===== Dark Theme (default) ===== */
:root {
  --primary-color: #0D1117;
  --accent-color: #58A6FF;
  --text-color: #E6EDF3;
  --background-color: #0D1117;
  --card-bg: #161B22;
  --font-family: Inter, sans-serif;
}

/* ===== Light Theme ===== */
html[data-theme=light] {
  --primary-color: #F5F5F5;
  --accent-color: #1A73E8;
  --text-color: #222222;
  --background-color: #FFFFFF;
  --card-bg: #F0F0F0;
}

/* ===== Smooth transitions ===== */
html, body, header, footer, main, .project-card {
  transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

/* ===== Global resets ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  background-color: var(--background-color);
  color: var(--text-color);
  margin: 0;
  line-height: 1.6;
}

a {
  color: var(--accent-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ===== Layout container ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ===== Header & Navigation ===== */
header {
  background-color: var(--primary-color);
  padding: 1rem 0;
}

.header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-title {
  margin: 0;
  font-size: 1.25rem;
}

.site-nav a {
  color: var(--text-color);
  margin-right: 1rem;
}

.site-nav a:hover {
  color: var(--accent-color);
}

/* ===== Theme toggle button ===== */
#theme-toggle {
  background: none;
  border: 2px solid var(--accent-color);
  color: var(--accent-color);
  font-size: 1.2rem;
  border-radius: 50%;
  width: 2.2rem;
  height: 2.2rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

#theme-toggle:hover {
  background-color: var(--accent-color);
  color: var(--primary-color);
  transform: rotate(20deg);
}

/* ===== Main Content ===== */
main {
  padding: 2rem 0;
}

main .container {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

/* Headings spacing */
h1, h2, h3 {
  line-height: 1.25;
}

h1 {
  margin: 0 0 1rem 0;
}

h2 {
  margin: 2rem 0 0.75rem 0;
}

h3 {
  margin: 1.5rem 0 0.5rem 0;
}

p, ul, ol {
  margin: 0 0 1rem 0;
}

/* ===== Project Cards ===== */
.project-card {
  background-color: var(--card-bg);
  border: 1px solid var(--accent-color);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.project-card h2 {
  margin: 0 0 0.5rem 0;
  font-size: 1.25rem;
}

.project-card h2 a {
  color: var(--accent-color);
}

.project-card h2 a:hover {
  text-decoration: underline;
}

.project-card p {
  margin: 0.25rem 0 0;
}

/* ===== Footer ===== */
footer {
  background-color: var(--primary-color);
  color: var(--text-color);
  padding: 1.25rem 0;
  margin-top: 2rem;
  text-align: center;
}

footer a {
  color: var(--accent-color);
}

footer a:hover {
  text-decoration: underline;
}

/* ===== Responsive tweaks ===== */
@media (max-width: 640px) {
  main .container {
    padding: 1.25rem;
  }
  .site-nav a {
    display: inline-block;
    margin: 0.25rem 0.75rem 0.25rem 0;
  }
  .header-flex {
    flex-direction: column;
    align-items: flex-start;
  }
  #theme-toggle {
    margin-top: 0.5rem;
  }
}

/*# sourceMappingURL=styles.css.map */