/* Modern dark theme color palette */
:root {
    --primary: #2D5AF0;
    --secondary: #00C2FF;
    --accent: #3B82F6;
    --dark: #0F172A;
    --darker: #020617;
    --light: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--darker);
    color: var(--gray-100);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Remove space background */
.stars, .twinkling {
    display: none;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--gray-800);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--gray-300);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background: var(--secondary);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--primary);
    color: var(--light);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(135deg, var(--dark) 0%, var(--darker) 100%);
    color: var(--light);
    position: relative;
    overflow: hidden;
}

#heroCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.6;
    pointer-events: none;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--gray-100);
    margin-bottom: 2rem;
    font-weight: 500;
}

.education {
    font-size: 1.1rem;
    color: var(--gray-200);
    margin-bottom: 2rem;
}

.contact-info {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.info-link {
    color: var(--light);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    transition: opacity 0.3s ease;
}

.info-link:hover {
    opacity: 0.8;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--gray-900);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--gray-800);
}

.project-card:hover {
    border-color: var(--primary);
}

.project-content {
    padding: 2rem;
}

.project-card h3 {
    color: var(--gray-100);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.project-location, .project-date {
    color: var(--gray-400);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.project-details {
    margin: 1.5rem 0;
    padding-left: 1.2rem;
}

.project-details li {
    margin-bottom: 0.8rem;
    color: var(--gray-300);
    position: relative;
}

.project-details li::before {
    content: '•';
    color: var(--primary);
    position: absolute;
    left: -1.2rem;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.tech-stack span {
    background: var(--gray-800);
    color: var(--secondary);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Sections */
.section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    font-weight: 700;
    color: var(--gray-100);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.skill-category {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border-radius: 16px;
    padding: 2rem;
}

.skill-category h3 {
    color: var(--gray-100);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-800);
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-items span {
    background: var(--gray-800);
    color: var(--gray-300);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.skill-items span:hover {
    background: var(--primary);
    color: var(--light);
}

/* Certifications Section */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.cert-card {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.cert-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.cert-card h3 {
    color: var(--gray-100);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
}

/* Contact Section */
.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-content p {
    font-size: 1.2rem;
    color: var(--gray-300);
    margin-bottom: 2rem;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.social-links a {
    color: var(--gray-400);
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--primary);
}

.pdf-button {
  display: inline-block;
  background-color: #2563eb;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: background-color 0.2s ease;
  margin-top: 1rem;
}

.pdf-button:hover {
  background-color: #1d4ed8;
}



/* Responsive Design */
@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .nav-links {
        flex-direction: column;
        gap: 1rem;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .section {
        padding: 4rem 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .contact-buttons {
        flex-direction: column;
    }

    .project-card {
        margin: 0 1rem;
    }
}