/* Reset styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

/* Body and General Styles */
body {
    background-color: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

/* Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation Bar */
header {
    background-color: rgba(0, 0, 0, 0.95);
    color: #fff;
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 255, 200, 0.08);
    backdrop-filter: saturate(140%) blur(8px);
}

header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 255, 200, 0.08);
}

.nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

header .nav-links {
    list-style: none;
    display: flex;
    gap: 1.25rem;
    align-items: center;
}

header .nav-links a {
    text-decoration: none;
    color: #eaeaea;
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
}

header .nav-links a:hover {
    color: #00ffc8;
}

header .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: #00ffc8;
    transition: width 0.25s ease;
}

header .nav-links a:hover::after {
    width: 100%;
}

header .logo {
    font-size: 1.25rem;
    font-weight: 600;
    cursor: pointer;
    font-family: 'JetBrains Mono', monospace;
}

.bracket { color: #00ffc8; }

.social-links { display: flex; gap: 0.75rem; }
.social-links a { color: #eaeaea; font-size: 1.2rem; transition: color 0.2s ease; }
.social-links a:hover { color: #00ffc8; }

.mobile-menu-toggle {
    display: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    background: transparent;
    border: none;
}

/* HERO SECTION */
#hero {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    background: transparent;
    overflow: hidden;
}

.hero-content { z-index: 2; max-width: 900px; }

/* Name - Big Bold Text */
.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: linear-gradient(135deg, #00ffc8, #ffffff, #00ffc8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: glow 3s ease-in-out infinite alternate;
}

/* Subtitle */
.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 0.5rem;
    color: #00ffc8;
}

.hero-description {
    font-size: 1rem;
    font-weight: 400;
    margin-top: 0.75rem;
    color: #cfcfcf;
}

/* Call-to-action Buttons */
.cta-buttons { display: flex; gap: 0.75rem; margin-top: 1.25rem; justify-content: center; flex-wrap: wrap; }

.primary-btn, .secondary-btn, .resume-btn {
    padding: 12px 20px;
    font-size: 0.95rem;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.primary-btn { background: linear-gradient(135deg, #00ffc8, #00b894); color: #021613; }
.primary-btn:hover { background: linear-gradient(135deg, #00b894, #00ffc8); transform: translateY(-2px); box-shadow: 0 10px 25px rgba(0, 255, 200, 0.15); }

.secondary-btn { background: transparent; color: #00ffc8; border: 2px solid #00ffc8; }
.secondary-btn:hover { background: #00ffc8; color: #000; transform: translateY(-2px); }

.resume-btn { background: linear-gradient(135deg, #667eea, #764ba2); color: #fff; }
.resume-btn:hover { background: linear-gradient(135deg, #764ba2, #667eea); transform: translateY(-2px); box-shadow: 0 10px 25px rgba(102, 126, 234, 0.22); }

/* Glow Effect */
@keyframes glow { from { text-shadow: 0 0 20px rgba(0, 255, 200, 0.25); } to { text-shadow: 0 0 30px rgba(0, 255, 200, 0.45), 0 0 40px rgba(0, 255, 200, 0.15); } }

#matrix-bg { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: -1; pointer-events: none; }

/* Sections */
section { padding: 4rem 0; position: relative; }
.section-title { font-size: 2rem; text-align: center; margin-bottom: 2.25rem; font-family: 'JetBrains Mono', monospace; color: #00ffc8; }

/* About Section */
#about { background-color: #111111; }
.about-content { max-width: 1000px; margin: 0 auto; }
.about-text { text-align: center; margin-bottom: 2rem; }
.lead { font-size: 1.05rem; color: #d0d0d0; line-height: 1.8; max-width: 800px; margin: 0 auto; }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.skill-category { background: rgba(255, 255, 255, 0.05); padding: 1.25rem; border-radius: 12px; border: 1px solid rgba(0, 255, 200, 0.12); transition: all 0.2s ease; }
.skill-category:hover { transform: translateY(-3px); border-color: rgba(0, 255, 200, 0.3); box-shadow: 0 10px 30px rgba(0, 255, 200, 0.08); }
.skill-category h3 { color: #00ffc8; margin-bottom: 0.75rem; font-size: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.skill-tags span { background: rgba(0, 255, 200, 0.1); color: #00ffc8; padding: 0.4rem 0.8rem; border-radius: 999px; font-size: 0.85rem; font-weight: 600; border: 1px solid rgba(0, 255, 200, 0.18); }

/* Experience Section */
#experience { background-color: #0a0a0a; }
.timeline { max-width: 900px; margin: 0 auto; position: relative; }
.timeline::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, #00ffc8, transparent); transform: translateX(-50%); }
.timeline-item { position: relative; margin-bottom: 2rem; width: 50%; }
.timeline-item:nth-child(odd) { left: 0; padding-right: 2rem; }
.timeline-item:nth-child(even) { left: 50%; padding-left: 2rem; }
.timeline-marker { position: absolute; width: 16px; height: 16px; background: #00ffc8; border-radius: 50%; top: 2px; border: 4px solid #0a0a0a; }
.timeline-item:nth-child(odd) .timeline-marker { right: -10px; }
.timeline-item:nth-child(even) .timeline-marker { left: -10px; }
.timeline-content { background: rgba(255, 255, 255, 0.05); padding: 1.25rem; border-radius: 12px; border: 1px solid rgba(0, 255, 200, 0.12); }
.timeline-content h3 { color: #00ffc8; font-size: 1.1rem; margin-bottom: 0.25rem; }
.timeline-content h4 { color: #ffffff; font-size: 1rem; margin-bottom: 0.25rem; }
.timeline-date { color: #00ffc8; font-size: 0.85rem; margin-bottom: 0.75rem; font-weight: 600; }
.timeline-content ul { list-style: none; }
.timeline-content li { color: #d0d0d0; margin-bottom: 0.5rem; padding-left: 1rem; position: relative; }
.timeline-content li::before { content: '▶'; position: absolute; left: 0; color: #00ffc8; font-size: 0.7rem; top: 3px; }

/* Education Section */
#education { background-color: #111111; }
.education-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 1rem; max-width: 1000px; margin: 0 auto; align-items: stretch; }
.edu-item { background: rgba(255, 255, 255, 0.05); padding: 1.25rem; border-radius: 12px; border: 1px solid rgba(0, 255, 200, 0.12); display: flex; align-items: center; gap: 1rem; transition: all 0.2s ease; min-height: 150px; }
.edu-item:hover { transform: translateY(-3px); border-color: rgba(0, 255, 200, 0.3); box-shadow: 0 10px 30px rgba(0, 255, 200, 0.08); }
.edu-item.current { border-color: rgba(0, 255, 200, 0.35); background: rgba(0, 255, 200, 0.05); }
.edu-logo { width: 70px; height: 70px; object-fit: contain; border-radius: 8px; }
.edu-details h3 { color: #ffffff; font-size: 1.1rem; margin-bottom: 0.3rem; }
.degree { color: #00ffc8; font-size: 0.95rem; font-weight: 700; margin-bottom: 0.15rem; }
.specialization { color: #cfcfcf; font-size: 0.9rem; margin-bottom: 0.15rem; }
.duration, .location { color: #9a9a9a; font-size: 0.85rem; margin-bottom: 0.15rem; }
.edu-highlights { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.5rem; }
.highlight { background: rgba(0, 255, 200, 0.1); color: #00ffc8; padding: 0.25rem 0.6rem; border-radius: 999px; font-size: 0.75rem; border: 1px solid rgba(0, 255, 200, 0.2); }

/* Projects Section */
#projects { background-color: #0a0a0a; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1rem; max-width: 1200px; margin: 0 auto; align-items: stretch; }
.project-card { background: rgba(255, 255, 255, 0.05); padding: 1.25rem; border-radius: 12px; border: 1px solid rgba(0, 255, 200, 0.12); transition: all 0.2s ease; position: relative; overflow: hidden; display: flex; flex-direction: column; }
.project-card:hover { transform: translateY(-3px); border-color: rgba(0, 255, 200, 0.3); box-shadow: 0 15px 40px rgba(0, 255, 200, 0.08); }
.project-card.featured { border-color: rgba(0, 255, 200, 0.4); background: rgba(0, 255, 200, 0.05); }
.project-card.featured::before { content: 'Featured'; position: absolute; top: 0.75rem; right: 0.75rem; background: #00ffc8; color: #000; padding: 0.2rem 0.6rem; border-radius: 999px; font-size: 0.7rem; font-weight: 700; }
.project-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.project-header h3 { color: #00ffc8; font-size: 1.1rem; }
.project-links { display: flex; gap: 0.5rem; }
.project-link { color: #00ffc8; font-size: 1.1rem; transition: color 0.2s ease; }
.project-link:hover { color: #ffffff; }
.project-description { color: #d0d0d0; margin-bottom: 0.75rem; line-height: 1.6; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: auto; }
.project-tags span { background: rgba(0, 255, 200, 0.1); color: #00ffc8; padding: 0.35rem 0.6rem; border-radius: 999px; font-size: 0.75rem; font-weight: 600; border: 1px solid rgba(0, 255, 200, 0.18); }

/* Publications Section */
#publications { background-color: #111111; }
.publications-list { max-width: 900px; margin: 0 auto; }
.publication-item { background: rgba(255, 255, 255, 0.05); padding: 1.25rem; border-radius: 12px; border: 1px solid rgba(0, 255, 200, 0.12); margin-bottom: 1rem; display: flex; gap: 1rem; transition: all 0.2s ease; align-items: flex-start; }
.publication-item:hover { transform: translateY(-2px); border-color: rgba(0, 255, 200, 0.3); box-shadow: 0 10px 30px rgba(0, 255, 200, 0.08); }
.publication-icon { color: #00ffc8; font-size: 1.5rem; margin-top: 0.3rem; }
.publication-content h3 { color: #ffffff; font-size: 1.05rem; margin-bottom: 0.25rem; line-height: 1.4; }
.publication-content h3 a { color: inherit; text-decoration: none; border-bottom: 1px dashed rgba(0, 255, 200, 0.3); }
.publication-content h3 a:hover { color: #00ffc8; border-color: #00ffc8; }
.publication-venue { color: #00ffc8; font-size: 0.95rem; font-weight: 700; margin-bottom: 0.35rem; }
.publication-description { color: #d0d0d0; line-height: 1.6; }

/* Contact Section */
#contact { background-color: #0a0a0a; }
.contact-content { max-width: 900px; margin: 0 auto; text-align: center; }
.contact-description { color: #d0d0d0; font-size: 1rem; margin-bottom: 1.5rem; line-height: 1.8; }
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.contact-item { display: flex; align-items: center; gap: 0.75rem; background: rgba(255, 255, 255, 0.05); color: #fff; padding: 0.9rem; border-radius: 10px; font-size: 1rem; text-align: left; transition: background-color 0.2s ease, transform 0.2s ease, border-color 0.2s ease; text-decoration: none; border: 1px solid rgba(0, 255, 200, 0.12); }
.contact-item:hover { background: rgba(0, 255, 200, 0.08); transform: translateY(-2px); border-color: rgba(0, 255, 200, 0.3); }
.contact-item i { font-size: 1.2rem; color: #00ffc8; }
.contact-details { display: flex; flex-direction: column; }
.contact-label { font-size: 0.85rem; color: #9a9a9a; }
.contact-value { font-weight: 700; color: #ffffff; }

/* Footer */
footer { background-color: #0a0a0a; color: #fff; text-align: center; padding: 2rem 0; border-top: 1px solid rgba(0, 255, 200, 0.08); }
footer .footer-bottom p { color: #9a9a9a; font-size: 0.9rem; }

/* Featured Badge Styling */
.featured-badge {
    display: inline-block;
    background: linear-gradient(135deg, #00ffc8, #00b894);
    color: #0a0a0a;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    margin-left: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(0, 255, 200, 0.3);
    transition: all 0.3s ease;
    vertical-align: middle;
}

.featured-badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 255, 200, 0.4);
}

/* Project Header Styling */
.project-header h3 {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Responsive */
@media screen and (max-width: 992px) {
    .timeline::before { left: 12px; }
    .timeline-item { width: 100%; left: 0 !important; padding-left: 2rem; padding-right: 0; }
    .timeline-item .timeline-marker { left: 2px !important; right: auto !important; }
}

@media screen and (max-width: 768px) {
    .nav-bar { gap: 0.5rem; }
    header .nav-links { display: none; position: absolute; top: 56px; right: 16px; background: rgba(0, 0, 0, 0.96); border: 1px solid rgba(0, 255, 200, 0.12); border-radius: 10px; padding: 0.75rem 1rem; flex-direction: column; gap: 0.75rem; }
    header .nav-links.active { display: flex; }
    .mobile-menu-toggle { display: inline-flex; }
    .social-links { display: none; }
    .hero-title { font-size: 2.4rem; }
    .hero-subtitle { font-size: 1rem; }
}