/* Global Styles */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #000;
  --secondary: #fff;
  --dark: #1a1a1a;
  --light-gray: #f5f5f5;
  --text: #333;
  --accent: #444;
  --border: #e0e0e0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--secondary);
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 40px; }

/* Header & Navigation */
.header { background: var(--primary); color: var(--secondary); padding: 1.5rem 0; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }

.navbar { padding: 0; }

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

.logo h1 { font-size: 1.5rem; font-weight: 700; }

.nav-menu { display: flex; list-style: none; gap: 2.5rem; }

.nav-menu a { color: var(--secondary); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: opacity 0.3s; }

.nav-menu a:hover { opacity: 0.7; }

/* Enhanced Navigation Styling */
.nav-menu a {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.nav-menu a:hover {
  color: #ddd;
  border-bottom: 2px solid var(--secondary);
  padding-bottom: 5px;
}

.nav-menu a:active,
.nav-menu a.active {
  color: #fff;
  border-bottom: 2px solid var(--accent);
}

/* Hero Section */
.hero { background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%); color: var(--secondary); padding: 120px 0 100px; text-align: center; }

.hero-content { max-width: 700px; margin: 0 auto; }

.hero-title { font-size: 3.5rem; font-weight: 800; margin-bottom: 15px; letter-spacing: -1px; }

.hero-subtitle { font-size: 1.4rem; color: #ccc; margin-bottom: 15px; font-weight: 300; }

.hero-description { font-size: 1.1rem; color: #b0b0b0; margin-bottom: 40px; line-height: 1.8; }

.hero-buttons { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn { padding: 12px 32px; border: none; border-radius: 6px; font-size: 1rem; cursor: pointer; text-decoration: none; font-weight: 600; transition: all 0.3s; display: inline-block; }

.btn-primary { background: var(--secondary); color: var(--primary); }

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.15); }

.btn-secondary { background: transparent; color: var(--secondary); border: 2px solid var(--secondary); }

.btn-secondary:hover { background: var(--secondary); color: var(--primary); }

/* Section Styles */
section { padding: 80px 0; }

.section-title { font-size: 2.5rem; font-weight: 700; text-align: center; margin-bottom: 50px; color: var(--primary); }

.about { background: var(--light-gray); }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }

.about-card { background: var(--secondary); padding: 40px; border-radius: 8px; border: 1px solid var(--border); }

.about-card h3 { font-size: 1.5rem; margin-bottom: 25px; color: var(--primary); }

.education-item { margin-bottom: 25px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }

.education-item h4 { font-size: 1.1rem; color: var(--primary); margin-bottom: 8px; }

.institution { color: var(--accent); font-size: 0.95rem; }

.year { color: #999; font-size: 0.9rem; margin-top: 5px; }

.contact-details a { color: var(--primary); text-decoration: none; font-weight: 500; }

.contact-details a:hover { text-decoration: underline; }

/* Skills Section */
.skills { background: var(--secondary); }

.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }

.skill-box { background: var(--light-gray); padding: 30px; border-radius: 8px; border-left: 4px solid var(--primary); }

.skill-box h4 { font-size: 1.1rem; color: var(--primary); margin-bottom: 15px; }

.skill-list { display: flex; flex-wrap: wrap; gap: 8px; }

.skill-tag { background: var(--primary); color: var(--secondary); padding: 6px 14px; border-radius: 4px; font-size: 0.85rem; }

/* Projects Section */
.projects { background: var(--light-gray); }

.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }

.project-card { background: var(--secondary); padding: 30px; border-radius: 8px; border: 1px solid var(--border); transition: all 0.3s; }

.project-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.1); }

.project-header { display: flex; justify-content: space-between; align-items: start; margin-bottom: 15px; }

.project-header h3 { font-size: 1.25rem; color: var(--primary); }

.project-date { background: var(--primary); color: var(--secondary); padding: 4px 12px; border-radius: 4px; font-size: 0.8rem; }

.project-description { color: var(--accent); margin-bottom: 15px; font-size: 0.95rem; line-height: 1.6; }

.project-tech { display: flex; flex-wrap: wrap; gap: 8px; }

.project-tech span { background: var(--light-gray); color: var(--primary); padding: 5px 12px; border-radius: 4px; font-size: 0.85rem; border: 1px solid var(--border); }

/* Contact Section */
.contact { background: var(--secondary); }

.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; max-width: 900px; margin: 0 auto; }

.contact-info h3, .social-links h3 { font-size: 1.4rem; color: var(--primary); margin-bottom: 20px; }

.contact-info p { font-size: 1.05rem; color: var(--accent); margin-bottom: 30px; }

.social-icons { display: flex; gap: 20px; flex-wrap: wrap; }

.social-icon { width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--secondary); font-size: 1.2rem; transition: all 0.3s; }

.social-icon.linkedin { background: #0077B5; }

.social-icon.instagram { background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); }

.social-icon.pexels { background: #05A081; }

.social-icon.github { background: #333; }

.social-icon:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,0,0,0.15); }

/* Footer */
.footer { background: var(--primary); color: var(--secondary); text-align: center; padding: 30px 0; border-top: 1px solid var(--border); }

/* Responsive */
@media (max-width: 768px) {
  .nav-menu { display: none; }
  .about-grid, .contact-wrapper { grid-template-columns: 1fr; gap: 30px; }
  .hero-title { font-size: 2.5rem; }
  .section-title { font-size: 2rem; }
  .container { padding: 0 20px; }
}

/* Mobile Menu Toggle Button */
.menu-toggle {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--primary);
    color: white;
    border: none;
    font-size: 28px;
    cursor: pointer;
    z-index: 1001;
    padding: 10px 15px;
    border-radius: 5px;
    transition: transform 0.3s ease;
}

.menu-toggle.active {
    transform: rotate(90deg);
}

/* Sidebar Menu */
.sidebar {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100%;
    background: var(--dark);
    box-shadow: -2px 0 10px rgba(0,0,0,0.5);
    transition: right 0.3s ease;
    z-index: 1000;
    padding-top: 80px;
}

.sidebar.active {
    right: 0;
}

.sidebar .nav-menu {
    display: flex;
    flex-direction: column;
    padding: 0;
    margin: 0;
    list-style: none;
}

.sidebar .nav-menu li {
    margin: 0;
}

.sidebar .nav-menu a {
    display: block;
    padding: 20px 30px;
    color: var(--text);
    text-decoration: none;
    font-size: 18px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
}

.sidebar .nav-menu a:hover {
    background: var(--primary);
    padding-left: 40px;
}

/* Overlay */
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 999;
}

.overlay.active {
    display: block;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .header .nav-menu {
        display: none;
    }
}

/* ===== MOBILE MENU STYLING ===== */

/* Mobile menu button */
.menu-toggle {
  display: none;
  position: fixed;
  top: 18px;
  right: 18px;
  background: #000;
  color: #fff;
  border: none;
  font-size: 26px;
  padding: 8px 12px;
  border-radius: 6px;
  z-index: 1100;
  cursor: pointer;
  transition: all 0.3s ease;
}

.menu-toggle:hover {
  background: #333;
  transform: scale(1.1);
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: #111;
  transition: right 0.3s ease;
  z-index: 1099;
  overflow-y: auto;
  box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
}

.sidebar.active {
  right: 0;
}

.sidebar .nav-menu {
  display: flex;
  flex-direction: column;
  padding-top: 80px;
  list-style: none;
  margin: 0;
  padding-left: 0;
}

.sidebar .nav-menu li {
  margin: 0;
}

.sidebar .nav-menu a {
  display: block;
  color: #fff;
  padding: 18px 30px;
  text-decoration: none;
  font-size: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.sidebar .nav-menu a:hover {
  background: rgba(255, 255, 255, 0.1);
  padding-left: 40px;
  color: #ddd;
}

/* Overlay */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  z-index: 1098;
  animation: fadeIn 0.3s ease;
}

.overlay.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .header .nav-menu {
    display: none;
  }
}
.repo-language {
  font-size: 0.8rem;
  background: #000;
  color: #fff;
  padding: 4px 10px;
  border-radius: 4px;
}

/* Auto-hide mobile menu button */
.menu-toggle {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.menu-toggle.hide {
  opacity: 0;
  transform: translateY(-15px);
  pointer-events: none;
}