html {
  scroll-behavior: smooth;
}

:root {
  --bg-color: #ffffff;
  --text-color: #000000;
  --accent-color: #ff6600;
  --nav-bg: #f8f8f8;
  --card-bg: #f0f0f0;
}

body.dark-mode {
  --bg-color: #121212;
  --text-color: #ffffff;
  --nav-bg: #1e1e1e;
  --card-bg: #2a2a2a;
}

body {
  margin: 0;
  font-family: 'Open Sans', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

header {
  background: var(--nav-bg);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1000px;
  margin: auto;
}

nav h1 {
  font-size: 1.5rem;
  color: var(--accent-color);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--text-color);
  transition: color 0.3s;
}

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

#theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
}

section {
  padding: 2rem;
  max-width: 800px;
  margin: auto;
}

section h2 {
  color: var(--accent-color);
  margin-top: 0;
}

ul li {
  margin-bottom: 0.5rem;
}

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

a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  padding: 1rem;
  background: var(--nav-bg);
  color: var(--text-color);
}

#projects div {
  background: var(--card-bg);
  padding: 1rem;
  border-radius: 8px;
  margin-top: 1rem;
}

section {
  scroll-margin-top: 70px; /* Adjust this number if your header is taller */
}

.download-btn {
  display: inline-block;
  padding: 12px 20px;
  margin: 15px 0;
  background-color: #ff6600; /* Bright orange */
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.download-btn:hover {
  background-color: #e65c00; /* Slightly darker orange for hover */
}