:root {
    --bg-color: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.3);
    --card-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 {
    font-size: 3.5rem;
    line-height: 1.1;
}

h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
}

h3 {
    font-size: 1.5rem;
    color: var(--accent);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: #fff;
    text-shadow: 0 0 10px var(--accent-glow);
}

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

.section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.section-title-wrapper {
    text-align: center;
    margin-bottom: 60px;
}

.section-title-wrapper h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
}

/* Glassmorphism */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.36);
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 12px 40px 0 rgba(56, 189, 248, 0.2);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

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

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

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

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

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

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

/* Here Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.15) 0%, transparent 25%),
        radial-gradient(circle at 80% 80%, rgba(129, 140, 248, 0.15) 0%, transparent 25%);
    text-align: center;
    padding-top: 80px;
}

.hero-content h1 {
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.social-hero {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.social-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-btn:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-3px) rotate(8deg);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
}

.profile-img-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    border: 2px solid var(--glass-border);
}

.profile-img-container img {
    width: 100%;
    display: block;
    transition: var(--transition);
}

.profile-img-container:hover img {
    transform: scale(1.05);
}

.bio-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.btn-primary {
    display: inline-block;
    padding: 12px 30px;
    background: var(--accent);
    color: #fff;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 15px var(--accent-glow);
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--accent-glow);
    color: white;
    /* Ensure text stays white */
}

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

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tag {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(56, 189, 248, 0.2);
    transition: var(--transition);
}

.skill-tag:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}

/* Experience CSS Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--bg-secondary));
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 2rem;
}

.timeline-dot {
    position: absolute;
    left: -2.6rem;
    top: 5px;
    width: 16px;
    height: 16px;
    background: var(--bg-color);
    border: 3px solid var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-glow);
    z-index: 1;
}

.timeline-date {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timeline-content h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

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

.company-tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    font-size: 0.8rem;
    margin-left: 0.5rem;
    border: 1px solid var(--glass-border);
}

/* Tables (Education) */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    color: var(--text-secondary);
}

th,
td {
    text-align: left;
    padding: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

th {
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Interests Cards */
.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

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

.interest-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1rem;
    display: inline-block;
}

/* Contact */
.contact-cta {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-email {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 2rem 0;
    display: block;
    transition: var(--transition);
}

.contact-email:hover {
    color: var(--accent);
    transform: scale(1.05);
}

/* Footer */
footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
        /* Mobile menu to be implemented with JS */
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        padding: 1rem;
        border-bottom: 1px solid var(--glass-border);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .timeline {
        padding-left: 1rem;
    }

    .timeline-dot {
        left: -1.4rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}