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

:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
  --border-color: #e5e7eb;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

body {
  font-family: "Inter", sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  background-color: var(--bg-white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* New hidden class utility */
.hidden {
  display: none;
}

/* Navigation */
.navbar {
  background-color: var(--bg-white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

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

.nav-link:hover {
  color: var(--primary-color);
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  padding: 80px 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

/* Profile Photo Styles - 2x Bigger */
.hero__photo {
  width: 280px; /* Doubled from 140px */
  height: 280px; /* Doubled from 140px */
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 3px solid white;
}

/* Fallback Avatar Styles - 2x Bigger */
#avatar-fallback {
  width: 280px; /* Doubled from 140px */
  height: 280px; /* Doubled from 140px */
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem; /* Increased for better visibility */
  font-weight: 700;
  color: white;
  border: 3px solid white;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin: 0;
}

.hero-tagline {
  font-size: 1.25rem;
  max-width: 600px;
}

/* Section Styles */
section {
  padding: 60px 0;
}

section:nth-child(even) {
  background-color: var(--bg-light);
}

h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
  color: var(--text-primary);
}

/* About Section */
.about p {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Skills Section */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  max-width: 600px;
  margin: 0 auto;
}

.skill-tag {
  background-color: var(--primary-color);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 25px;
  font-weight: 500;
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.project-card {
  background-color: var(--bg-white);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s;
}

.project-card:hover {
  transform: translateY(-5px);
}

.project-card h3 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.project-card p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tech-tags span {
  background-color: var(--bg-light);
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.project-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
}

.project-link:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

/* Certifications Section */
.cert-list {
  list-style: none;
  max-width: 800px;
  margin: 0 auto;
}

.cert-list li {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.cert-list a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.cert-list a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

/* Resume Section */
.resume {
  text-align: center;
}

.resume p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.resume-btn {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s;
}

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

.resume-fallback {
  margin-top: 1rem;
  font-style: italic;
  color: var(--text-secondary);
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info p {
  margin-bottom: 1rem;
}

.contact-info a {
  color: var(--primary-color);
  text-decoration: none;
}

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

.social-links {
  display: flex;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.social-links a {
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
}

.social-links a:hover {
  text-decoration: underline;
}

.resume-link-secondary {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  background-color: var(--bg-light);
  border-radius: 6px;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: background-color 0.3s;
}

.resume-link-secondary:hover {
  background-color: var(--border-color);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s;
}

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

.error-message {
  color: #dc2626;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.error-message.active {
  display: block;
}

.submit-btn {
  background-color: var(--primary-color);
  color: white;
  padding: 0.875rem 2rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s;
}

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

.form-status {
  padding: 1rem;
  border-radius: 6px;
  text-align: center;
  display: none;
}

.form-status.success {
  display: block;
  background-color: #10b981;
  color: white;
}

.form-status.error {
  display: block;
  background-color: #ef4444;
  color: white;
}

/* Footer */
.footer {
  background-color: var(--text-primary);
  color: white;
  text-align: center;
  padding: 2rem 0;
}

.footer p {
  margin: 0.5rem 0;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  /* Mobile Navigation */
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--bg-white);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-lg);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-link {
    padding: 0.5rem 0;
    display: block;
  }

  /* Toggle Animation */
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  /* Hero Adjustments */
  .hero-title {
    font-size: 2rem;
  }

  .hero-tagline {
    font-size: 1rem;
  }

  /* Responsive profile image - 2x Bigger */
  .hero__photo,
  #avatar-fallback {
    width: 240px; /* Doubled from 120px */
    height: 240px; /* Doubled from 120px */
  }

  /* Projects Grid */
  .projects-grid {
    grid-template-columns: 1fr;
  }

  /* Contact Form */
  .contact-content {
    grid-template-columns: 1fr;
  }

  /* Section Padding */
  section {
    padding: 40px 0;
  }

  .hero {
    padding: 60px 0;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .container {
    padding: 0 15px;
  }

  /* Smaller responsive profile image - 2x Bigger */
  .hero__photo,
  #avatar-fallback {
    width: 200px; /* Doubled from 100px */
    height: 200px; /* Doubled from 100px */
  }
}