@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg: #f8fafc;
    --surface: #ffffff;
    --surface-hover: #f1f5f9;
    --primary: #0f172a;
    --secondary: #64748b;
    --accent: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.1);
    --border: #e2e8f0;
    --border-hover: #cbd5e1;
    --gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --transit: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg);
}

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

/* Background Gradients */
.bg-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 100% 100%, rgba(168, 85, 247, 0.05) 0%, transparent 50%);
}

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 6rem 0;
    opacity: 0;
    transform: translateY(20px);
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 800;
    letter-spacing: -0.03em;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 4rem;
    text-align: left;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

/* Header/Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    padding: 1.25rem 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: var(--transit);
}

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

.logo {
    font-weight: 900;
    font-size: 1.2rem;
    text-decoration: none;
    color: var(--primary);
    letter-spacing: -0.05em;
}

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

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

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

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding-top: 6rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--secondary);
    margin-bottom: 2.5rem;
}

.personal-info-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.info-badge {
    background: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--secondary);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.stats-bar {
    display: flex;
    gap: 3rem;
    margin-bottom: 3rem;
    padding: 1.5rem;
    background: white;
    border-radius: 1.5rem;
    border: 1px solid var(--border);
    width: fit-content;
}

.stat-num {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--secondary);
    font-weight: 600;
}

.hero-image-container {
    position: relative;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    overflow: hidden;
    aspect-ratio: 1;
    border: 8px solid white;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.hero-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Cards */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    padding: 2.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: var(--transit);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Timeline */
.timeline-item {
    padding-left: 2rem;
    border-left: 2px solid var(--border);
    position: relative;
    padding-bottom: 2.5rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 0;
    width: 12px;
    height: 12px;
    background: white;
    border: 2px solid var(--accent);
    border-radius: 50%;
}

.timeline-meta {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.5rem;
}

/* Certifications */
.cert-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: white;
    padding: 1.5rem;
    border-radius: 1.25rem;
    border: 1px solid var(--border);
    transition: var(--transit);
}

.cert-card:hover {
    border-color: var(--accent);
    background: var(--surface-hover);
}

.cert-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-glow);
    color: var(--accent);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-info h4 {
    font-size: 1rem;
    color: var(--primary);
}

.cert-info p {
    font-size: 0.85rem;
    color: var(--secondary);
}

/* Grid Utilities */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.75rem;
    border-radius: 0.8rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: var(--transit);
}

.btn-primary {
    background: var(--gradient);
    color: white;
}

.btn-outline {
    background: white;
    color: var(--primary);
    border: 1px solid var(--border);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.2);
}

/* Project Specific */
.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
}

/* Footer */
footer {
    padding: 2.5rem 0;
    text-align: center;
    background: white;
    border-top: 1px solid var(--border);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 0.75rem;
}

.social-links a {
    color: var(--secondary);
    transition: var(--transit);
}

.social-links a:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .personal-info-tags, .stats-bar {
        justify-content: center;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .hero-image-container {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .nav-links {
        display: none;
    }
}