:root {
  --bg: #0d1117;
  --card: #161b22;
  --text: #f5f5f5;
  --primary: #0a84ff;
  --transition: 0.3s ease;
}

[data-theme="light"] {
  --bg: #f5f5f5;
  --card: #ffffff;
  --text: #1e1e1e;
  --primary: #0070e6;
}

/* Reset and global styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Poppins", sans-serif;
  background: var(--bg);
  padding-top: 80px;
  scroll-behavior: smooth;
  color: var(--text);
  transition: background var(--transition), color var(--transition);
}

/* Navbar */
.navbar {
  background: var(--primary);
  color: white;
  width: 100%;
  top: 0;
  left: 0;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: auto;
  padding: 0 1rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 600;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.main-nav a {
  color: white;
  text-decoration: none;
  transition: color var(--transition);
}

.main-nav a:hover {
  color: #d0e4ff;
}

#theme-toggle {
  background: none;
  border: none;
  color: white;
  font-size: 1.3rem;
  cursor: pointer;
}

/* Hero */
.hero {
  text-align: center;
  padding: 4rem 1rem 2rem;
}

.profile-pic {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary);
  margin-bottom: 1.5rem;
}

.highlight {
  color: var(--primary);
}

/* Toolbox */
.toolbox {
  text-align: center;
  padding: 4rem 1rem;
}

.tool-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
}

.tool {
  background: var(--card);
  border-radius: 10px;
  padding: 1rem;
  width: 110px;
  transition: transform var(--transition);
}

.tool:hover {
  transform: scale(1.1);
}

.tool img {
  width: 60px;
  height: 60px;
  display: block;
  margin: 0 auto 0.5rem;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: var(--card);
  color: var(--text);
  padding: 2rem;
  border-radius: 10px;
  max-width: 500px;
  width: 90%;
  text-align: center;
}

.modal-img {
  width: 100%;
  border-radius: 8px;
  margin: 1rem 0;
}

.close {
  float: right;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary);
}

/* Other sections */
section {
  padding: 3rem 1rem;
  scroll-margin-top: 80px;
  text-align: center;
}

.container {
  max-width: 1000px;
  margin: auto;
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 0.7rem 1.4rem;
  border-radius: 6px;
  text-decoration: none;
  margin-top: 1rem;
  transition: background var(--transition);
  border: none;
  cursor: pointer;
}

.btn:hover {
  background: #0070e6;
}

/* Footer */
footer {
  text-align: center;
  padding: 1rem;
  background: #161b22;
  color: #ccc;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    width: 100%;
    padding: 0.5rem 1rem;
  }

  .tool {
    width: 90px;
  }
}

.resume {
  background: var(--card);
  color: var(--text);
  padding: 4rem 1rem;
  text-align: center;
  border-top: 2px solid var(--primary);
}

.resume h2 {
  margin-bottom: 1rem;
  color: var(--primary);
}

#contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 500px;
  margin: 2rem auto 0;
}

#contact-form input,
#contact-form textarea {
  padding: 0.8rem;
  border-radius: 6px;
  border: none;
  background: var(--card);
  color: var(--text);
  font-size: 1rem;
}

#contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

#form-status {
  margin-top: 1rem;
  color: var(--primary);
  font-weight: 500;
}