:root {
    --bg-color: #FFFFFF;
    --text-color: #111111;
    --accent-color: #2563EB;
    /* Vibrant Blue */
    --secondary-text: #555555;
    --card-bg: #F8F9FA;
    --font-heading: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --spacing-unit: 1.5rem;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-heading);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Typography */
h1 {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    color: #000;
}

h2.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
    border-bottom: 1px solid #E5E5E5;
    padding-bottom: 0.5rem;
    display: inline-block;
    color: #333;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #000;
}

p {
    color: var(--secondary-text);
}

.subtitle {
    font-size: 1.5rem;
    color: var(--secondary-text);
    font-family: var(--font-mono);
}

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

.btn-primary {
    display: inline-block;
    margin-top: 2rem;
    padding: 0.8rem 2rem;
    background-color: var(--accent-color);
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    transition: background-color 0.2s, transform 0.2s;
    font-size: 1rem;
}

.btn-primary:hover {
    background-color: #1D4ED8;
    /* Darker shade of Vibrant Blue */
    transform: translateY(-2px);
}

/* Hero Section */
#hero {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Stats Section */
#stats {
    margin-bottom: 6rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: var(--card-bg);
    padding: 2rem;
    border: 1px solid #E5E5E5;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 8px;
}

.stat-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.stat-icon {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    font-family: var(--font-mono);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--secondary-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* Core Verticals - Bento Grid */
#verticals {
    margin-bottom: 6rem;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.bento-item {
    background: var(--card-bg);
    padding: 2rem;
    border: 1px solid #E5E5E5;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-radius: 8px;
    transition: box-shadow 0.3s ease;
}

.bento-item:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.vertical-icon {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

/* Experience Timeline */
#experience {
    margin-bottom: 6rem;
}

.timeline {
    list-style: none;
    border-left: 2px solid #E5E5E5;
    padding-left: 2rem;
}

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

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.6rem;
    top: 0.5rem;
    width: 1rem;
    height: 1rem;
    background: var(--bg-color);
    border: 2px solid var(--accent-color);
    border-radius: 50%;
}

.role-header {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.role-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
}

.company {
    font-family: var(--font-mono);
    color: var(--accent-color);
    font-size: 1rem;
    font-weight: 600;
}

.role-desc {
    max-width: 600px;
    color: var(--secondary-text);
}

/* Tech Stack */
#tech-stack {
    margin-bottom: 6rem;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.tag {
    background: var(--card-bg);
    border: 1px solid #E5E5E5;
    color: var(--text-color);
    padding: 0.5rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    cursor: default;
    transition: all 0.2s ease;
    border-radius: 4px;
}

.tag:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* Footer */
footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 4rem;
    border-top: 1px solid #E5E5E5;
    flex-wrap: wrap;
    gap: 1rem;
}

.contact-methods {
    display: flex;
    gap: 2rem;
}

.contact-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    opacity: 0.7;
    transition: opacity 0.2s, color 0.2s;
}

.contact-link:hover {
    opacity: 1;
    color: var(--accent-color);
}

.copyright {
    font-size: 0.875rem;
    color: var(--secondary-text);
}

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

    .subtitle {
        font-size: 1rem;
    }

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

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

    footer {
        flex-direction: column;
        align-items: flex-start;
    }
}