:root {
    --bg-dark: #0a0a0f;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --accent-color: #00f0ff;
    --accent-color-hover: #00c3ff;
    --accent-gradient: linear-gradient(135deg, #00f0ff 0%, #7000ff 100%);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

h1, h2, h3, h4, h5, h6, .logo {
    font-family: 'Outfit', sans-serif;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-color);
}

ul {
    list-style: none;
}

/* Background animated blobs */
.blob-bg {
    position: fixed;
    top: -20%;
    left: -10%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(112,0,255,0.15) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    filter: blur(40px);
    animation: float 10s ease-in-out infinite alternate;
}

.blob-2 {
    top: auto;
    bottom: -20%;
    left: auto;
    right: -10%;
    background: radial-gradient(circle, rgba(0,240,255,0.1) 0%, rgba(0,0,0,0) 70%);
    animation: float 12s ease-in-out infinite alternate-reverse;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

/* Glassmorphism utility */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 240, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
}

/* Typography & Layout */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.mt-sm { margin-top: 1rem; }
.mt-md { margin-top: 2rem; }
.mt-lg { margin-top: 3rem; }

section {
    padding: 6rem 10%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo span {
    color: var(--accent-color);
}

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

.nav-links a {
    font-size: 1rem;
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

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

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

/* Hero Section */
.hero {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding-top: 8rem;
}

.hero-content {
    flex: 1;
}

.greeting {
    font-size: 1.2rem;
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 1rem;
    display: block;
}

.name {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.title {
    font-size: 2rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 2rem;
}

.summary {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.primary-btn {
    background: var(--accent-gradient);
    color: #000;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 240, 255, 0.4);
    color: #000;
}

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

.secondary-btn:hover {
    background: rgba(0, 240, 255, 0.1);
    transform: translateY(-3px);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--accent-color);
    color: #000;
    transform: translateY(-5px);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.image-wrapper {
    width: 400px;
    height: 400px;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    overflow: hidden;
    border: 4px solid var(--glass-border);
    box-shadow: 0 0 80px rgba(13, 162, 192, 0.6), inset 0 0 20px rgba(13, 162, 192, 0.4);
    animation: morph 8s ease-in-out infinite;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

@keyframes morph {
    0% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    50% { border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%; }
    100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
}

/* About Section */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: var(--text-secondary);
}
.about-content p {
    margin-bottom: 1.5rem;
}
.about-content p:last-child {
    margin-bottom: 0;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.skill-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    text-align: center;
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.skill-card h3 {
    font-size: 1.1rem;
    font-weight: 500;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.tag {
    padding: 0.8rem 1.5rem;
    background: rgba(112, 0, 255, 0.1);
    border: 1px solid rgba(112, 0, 255, 0.3);
    border-radius: 30px;
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.tag:hover {
    background: rgba(112, 0, 255, 0.3);
    transform: scale(1.05);
}

/* Experience Section (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: 1.5rem 0 1.5rem 50px;
    position: relative;
}

.timeline-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
    left: 12px;
    top: 30px;
    z-index: 1;
    box-shadow: 0 0 10px var(--accent-color);
}

.timeline-content h3 {
    font-size: 1.3rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.timeline-content .duration {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 1rem;
    font-style: italic;
}

.timeline-content ul {
    list-style: disc;
    padding-left: 1.2rem;
    color: var(--text-secondary);
}
.timeline-content ul li {
    margin-bottom: 0.5rem;
}

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

.edu-card {
    text-align: center;
}

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

.edu-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.edu-card h4 {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 1rem;
}

.edu-card .year {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.edu-card .grade {
    font-weight: 600;
    color: var(--accent-color);
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-info h3, .references h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.contact-info i {
    color: var(--text-secondary);
}

.ref-person h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.ref-person p {
    color: var(--text-secondary);
    margin-bottom: 0.2rem;
    font-size: 0.95rem;
}

footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--glass-border);
    margin-top: 2rem;
    color: var(--text-secondary);
}

/* Animations (Intersection Observer) */
.section-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Responsive Design */
@media (max-width: 968px) {
    .hero {
        flex-direction: column-reverse;
        text-align: center;
        padding-top: 6rem;
    }
    
    .cta-buttons, .social-links {
        justify-content: center;
    }

    .image-wrapper {
        width: 300px;
        height: 300px;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-dark);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-links.active {
        right: 0;
    }

    .hamburger {
        display: block;
    }

    .name {
        font-size: 3rem;
    }
    
    .title {
        font-size: 1.5rem;
    }

    section {
        padding: 4rem 5%;
    }
}