@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap');

:root {
  --color-bg: #ffffff;
  --color-text: #1e1e1e;
  --color-muted: #666;
  --color-accent: #7e3ff2;
  --color-accent-hover: #5a1fd4;
  --color-card-bg: #f8f6fc;
  --color-footer: #aaa;
}

body.dark-mode {
  --color-bg: #1a1a1a;
  --color-text: #f0f0f0;
  --color-muted: #aaa;
  --color-accent: #c084fc;
  --color-accent-hover: #a855f7;
  --color-card-bg: #2a2239;
  --color-footer: #666;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  margin: 0;
  padding: 2rem;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
  transition: background-color 0.3s, color 0.3s;
}

h1, h2, h3 {
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

a:hover {
  border-bottom-color: var(--color-accent-hover);
}

header {
  margin-bottom: 4rem;
  text-align: center;
}

header h1 {
  font-size: 2.7rem;
  margin-bottom: 0.5rem;
  color: var(--color-accent);
}

header p {
  font-size: 1.2rem;
  margin-top: 0;
  color: var(--color-muted);
}

.project-card {
  margin-bottom: 2rem;
  padding: 1rem;
  border-left: 4px solid var(--color-accent);
  background: var(--color-card-bg);
  border-radius: 4px;
}

footer {
  margin-top: 4rem;
  font-size: 0.9rem;
  text-align: center;
  color: var(--color-footer);
}

.toggle-container {
  text-align: right;
  margin-bottom: 1rem;
}

.toggle-container button {
  background: none;
  border: 1px solid var(--color-muted);
  padding: 0.3rem 0.7rem;
  font-size: 0.9rem;
  color: var(--color-text);
  border-radius: 4px;
  cursor: pointer;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 1rem;
  text-align: center;
  min-height: 80vh;
}

.hero-content {
  max-width: 700px;
}

.hero-title {
  font-size: 3rem;
  color: var(--color-accent);
  margin: 0.5rem 0;
}

.intro {
  font-size: 1.1rem;
  color: var(--color-accent);
  margin-bottom: 0.2rem;
}

.tagline {
  font-size: 1.1rem;
  color: var(--color-muted);
  margin-bottom: 2rem;
}

.button {
  background-color: var(--color-accent);
  color: #fff;
  padding: 0.7rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.2s ease;
}

.button:hover {
  background-color: var(--color-accent-hover);
}

.social-icons {
  margin-top: 2rem;
}

.social-icons a {
  margin: 0 0.6rem;
  display: inline-block;
}

.social-icons img {
  width: 32px;
  height: 32px;
  filter: brightness(0) invert(1);
  transition: filter 0.2s;
}

.social-icons img {
  width: 32px;
  height: 32px;
  transition: filter 0.2s ease;
}

/* Default (light mode) = dark icons */
body:not(.dark-mode) .social-icons img {
  filter: invert(0);
}

/* Dark mode = white icons */
body.dark-mode .social-icons img {
  filter: brightness(0) invert(1);
}
.site-header {
  background-color: var(--color-bg);
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--color-muted);
}
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 900px;
  margin: 0 auto;
}
.logo {
  font-weight: bold;
  font-size: 1.2rem;
  color: var(--color-accent);
  text-decoration: none;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}
.nav-links li a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
}
.nav-links li a:hover {
  color: var(--color-accent);
}
.toggle-button {
  background: none;
  border: 1px solid var(--color-muted);
  padding: 0.3rem 0.7rem;
  font-size: 0.9rem;
  color: var(--color-text);
  border-radius: 4px;
  cursor: pointer;
}