:root {
    --bg-color: #0d1117;
    --text-color: #c9d1d9;
    --heading-color: #ffffff;
    --primary-color: #58a6ff;
    --secondary-color: #1f6feb;
    --glass-bg: rgba(22, 27, 34, 0.6);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --accent-glow: rgba(88, 166, 255, 0.4);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    color: var(--heading-color);
}

.highlight {
    color: var(--primary-color);
}

/* Background Blobs */
.blob-bg {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.5;
    animation: float 10s infinite alternate;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: -100px;
    left: -100px;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: #8a2be2;
    bottom: -50px;
    right: -50px;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(20px) scale(1.1); }
}

/* Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 5%;
}

.glass-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    box-shadow: var(--glass-shadow);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    color: var(--heading-color);
}

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

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Base Sections */
main {
    padding: 0 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: 100px 0;
    min-height: auto;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--glass-shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.5), 0 0 20px var(--accent-glow);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--secondary-color);
    color: #fff;
    box-shadow: 0 4px 15px rgba(31, 111, 235, 0.4);
}

.btn-primary:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(88, 166, 255, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--heading-color);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 100px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.greeting {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.name {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, #fff, var(--text-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.title {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.bio-short {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.shield-icon {
    font-size: 15rem;
    color: var(--primary-color);
    filter: drop-shadow(0 0 30px var(--accent-glow));
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.8;}
    50% { transform: scale(1.05); opacity: 1; filter: drop-shadow(0 0 50px var(--accent-glow));}
    100% { transform: scale(1); opacity: 0.8;}
}

/* About Section */
.about-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    font-size: 1.1rem;
}

.about-details {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1rem;
}

.about-details li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--heading-color);
}

.about-details i {
    color: var(--primary-color);
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background: var(--glass-border);
    top: 0;
    bottom: 0;
    left: 20px;
    margin-left: -1px;
}

.timeline-item {
    padding: 2rem;
    position: relative;
    background: var(--glass-bg);
    border-radius: 15px;
    margin-bottom: 2rem;
    width: calc(100% - 50px);
    margin-left: 50px;
}

.timeline-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border: 4px solid var(--bg-color);
    border-radius: 50%;
    left: -38px;
    top: 30px;
    z-index: 1;
    box-shadow: 0 0 10px var(--primary-color);
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.timeline-title {
    font-size: 1.3rem;
    margin-bottom: 0.2rem;
}

.timeline-company {
    font-size: 1rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    font-weight: 400;
}

.timeline-desc {
    list-style-position: inside;
    color: var(--text-color);
    font-size: 0.95rem;
}

.timeline-desc li {
    margin-bottom: 0.5rem;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category h3 {
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--primary-color);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
}

.tag {
    background: rgba(88, 166, 255, 0.1);
    border: 1px solid rgba(88, 166, 255, 0.3);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.tag:hover {
    background: rgba(88, 166, 255, 0.2);
    border-color: var(--primary-color);
    color: #fff;
}

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

.project-card {
    display: flex;
    flex-direction: column;
}

.project-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.project-date {
    font-size: 0.8rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    display: block;
}

.project-card p {
    flex-grow: 1;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.btn-demo {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    color: var(--heading-color);
    text-align: center;
}

.btn-demo:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

/* Recognitions */
.hof-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hof-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 1.5rem;
    background: rgba(255,255,255,0.02);
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.hof-item i {
    font-size: 2rem;
    margin-top: 0.2rem;
}

.hof-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

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

.contact-box p {
    margin: 1.5rem 0;
    font-size: 1.1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    color: var(--heading-color);
    text-decoration: none;
    transition: all 0.3s;
}

.social-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--glass-border);
    margin-top: 4rem;
    font-size: 0.9rem;
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    animation: fadeIn 1s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 150px;
    }
    
    .hero-content {
        max-width: 100%;
        margin-bottom: 3rem;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .name {
        font-size: 3rem;
    }
    
    .shield-icon {
        font-size: 10rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: 5%;
        right: 5%;
        background: var(--glass-bg);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid var(--glass-border);
        border-radius: 20px;
        flex-direction: column;
        gap: 0;
        text-align: center;
        box-shadow: var(--glass-shadow);
        overflow: hidden;
        max-height: 0;
        transition: max-height 0.3s ease-out;
    }
    
    .nav-links.active {
        max-height: 400px;
    }
    
    .nav-links li {
        padding: 1rem 0;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    
    .nav-links li:last-child {
        border-bottom: none;
    }
}