/* Modern Tech Theme Variables */
:root {
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --primary: #38bdf8; /* Sky Blue for AI */
    --secondary: #818cf8; /* Indigo for Research */
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --accent: #f59e0b; /* Amber for Books/Authorship */
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-weight: 700;
}

.highlight {
    color: var(--primary);
    font-weight: 600;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
}

.symbol { color: var(--primary); }
.cursor { animation: blink 1s infinite; }

@keyframes blink { 50% { opacity: 0; } }

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: 0.3s;
}

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

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 120px 8% 80px;
    min-height: 100vh;
}

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

.badge {
    display: inline-block;
    background: rgba(56, 189, 248, 0.1);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 20px;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 25px;
}

.bio {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 40px;
    max-width: 90%;
}

.cta-group {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
}

.primary {
    background: var(--primary);
    color: var(--bg-dark);
}

.secondary {
    border: 1px solid var(--text-muted);
    color: var(--text-main);
}

.btn:hover { transform: translateY(-3px); }

/* Hero Visual & Floating Cards */
.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.profile-img {
    width: 350px;
    height: 350px;
    object-fit: cover;
    border-radius: 30px;
    position: relative;
    z-index: 2;
    border: 2px solid rgba(255,255,255,0.1);
}

.profile-glow {
    position: absolute;
    width: 350px;
    height: 350px;
    background: var(--primary);
    filter: blur(80px);
    opacity: 0.2;
    border-radius: 50%;
    z-index: 1;
}

.tech-card {
    position: absolute;
    background: var(--bg-card);
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    z-index: 3;
    animation: float 3s ease-in-out infinite;
    color: var(--text-main);
    font-size: 1.5rem;
    border: 1px solid rgba(255,255,255,0.05);
}

.c1 { top: 20px; left: 20px; color: #fbbf24; } /* Python Yellow */
.c2 { bottom: 40px; right: 20px; animation-delay: 1s; color: var(--primary); }
.c3 { top: 50%; left: -20px; animation-delay: 2s; color: #ec4899; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Stats Bar */
.stats-bar {
    display: flex;
    justify-content: space-around;
    background: var(--bg-card);
    padding: 40px 8%;
    margin-top: -50px;
    position: relative;
    z-index: 4;
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.stat-item { text-align: center; }
.stat-item h3 { font-size: 2rem; color: var(--primary); }
.stat-item p { color: var(--text-muted); font-size: 0.9rem; margin