:root {
  --bg: #ffffff;
  --text: #222222;
  --accent: #4f46e5;
  --card-bg: #f5f5f5;
}

body.dark-mode {
  --bg: #121212;
  --text: #e5e5e5;
  --accent: #818cf8;
  --card-bg: #1e1e1e;
}

body {
  background: var(--bg);
  color: var(--text);
  transition: background 0.3s ease, color 0.3s ease;
  font-family: Arial, sans-serif;
}
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
}

/* HEADER */
header {
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(0,0,0,0.1);
}

nav.container img {
  height: 95px;
  width: auto;
  object-fit: contain;
  margin-right: 20px;
}

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

.nav-links {
  display: flex;
  gap: 25px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: color 0.3s ease;
}

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

#dark-toggle {
  background: none;
  border: 2px solid var(--text);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
  transition: all 0.3s ease;
}

#dark-toggle:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* HERO */
#hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: var(--bg);
}

.hero-content {
  text-align: center;
}

#hero h1 {
  font-size: 3rem;
  margin-bottom: 10px;
}

#hero h2 {
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 20px;
}

#hero p {
    max-width: 600px;
    margin: 0 auto 30px;
    font-size: 1.1rem;
}

/* BUTTON */
.btn-primary {
    display: inline-block;
    padding: 12px 25px;
    background: var(--accent);
    color: #fff;
    border-radius: 8px;
     text-decoration: none;
  font-weight: 600;
  transition: background 0.3s ease;
}

.btn-primary:hover {
  background: #3730a3;
}

/* ABOUT */
#about {
  padding: 80px 0;
}

.about-container {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.about-img img {
  width: 260px;
  height: 260px;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

/* PROJECTS */
#projects {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 40px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.project-card {
  background: var(--card-bg);
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

#skills {
  padding: 80px 0;
  background: var(--bg);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
}

.skill-card {
  background: var(--card-bg);
  padding: 25px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.skill-icon {
  font-size: 40px;
  margin-bottom: 15px;
}

.skill-card h3 {
  margin-bottom: 10px;
  color: var(--text);
}

.skill-card p {
  color: var(--text);
  font-size: 0.95rem;
}


#contact {
  padding: 80px 0;
  background: var(--bg);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 15px;
  border-radius: 8px;
  border: 2px solid var(--text);
  background: var(--card-bg);
  color: var(--text);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  outline: none;
}


footer {
  background: var(--bg);
  padding: 40px 0;
  border-top: 1px solid rgba(0,0,0,0.1);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-name {
  color: var(--text);
  font-size: 0.95rem;
}

.footer-socials {
  display: flex;
  gap: 20px;
}

.footer-socials a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: color 0.3s ease;
}

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