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

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #4a4a4a;
    --accent-color: #0066cc;
    --text-light: #666;
    --background: #ffffff;
    --section-bg: #f8f9fa;
    --border-color: #e1e4e8;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--primary-color);
    background-color: var(--background);
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
#hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.headshot {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1.5rem;
    border: 4px solid var(--background);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.subtitle {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 0.25rem;
}

.location {
    font-size: 1rem;
    color: var(--text-light);
}

/* Sections */
section {
    padding: 3rem 0;
}

section:nth-child(even) {
    background-color: var(--section-bg);
}

section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--primary-color);
}

/* About Section */
.about-content {
    font-size: 1.0625rem;
    line-height: 1.7;
}

.about-content p {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.about-content p:first-child {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--primary-color);
}

/* Experience Section */
.experience-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.experience-list {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
}

.experience-list li {
    padding: 0.75rem 0;
    color: var(--secondary-color);
    font-size: 1.0625rem;
    line-height: 1.6;
    border-bottom: 1px solid var(--border-color);
}

.experience-list li:last-child {
    border-bottom: none;
}

.experience-list li strong {
    color: var(--primary-color);
    font-weight: 600;
}

.education-heading {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.education-text {
    color: var(--secondary-color);
    font-size: 1.0625rem;
    line-height: 1.7;
}

/* Contact Section */
.contact-content {
    text-align: center;
}

.contact-content p {
    font-size: 1.0625rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.contact-form {
    max-width: 500px;
    margin: 0 auto 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--primary-color);
    background-color: var(--background);
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.contact-form textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-button {
    padding: 0.875rem 1.75rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1.0625rem;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.submit-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.success-message {
    color: var(--accent-color);
    font-size: 1.0625rem;
    font-weight: 500;
    margin-bottom: 2rem;
}

.linkedin-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.75rem;
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.0625rem;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.linkedin-button:hover {
    background-color: #0052a3;
    transform: translateY(-2px);
}

/* Footer */
footer {
    padding: 1.5rem 0;
    background-color: var(--primary-color);
    color: white;
    text-align: center;
}

footer p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    #hero {
        min-height: 60vh;
        padding: 2rem 1.5rem;
    }

    .headshot {
        width: 140px;
        height: 140px;
        margin-bottom: 1.25rem;
    }

    .hero-content h1 {
        font-size: 2.25rem;
    }

    .subtitle {
        font-size: 1.125rem;
    }

    section {
        padding: 2.5rem 0;
    }

    section h2 {
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
    }

    .about-content {
        font-size: 1rem;
    }

    .about-content p:first-child {
        font-size: 1.125rem;
    }
}

@media (max-width: 480px) {
    #hero {
        padding: 2rem 1rem;
    }

    .headshot {
        width: 120px;
        height: 120px;
    }

    .hero-content h1 {
        font-size: 1.875rem;
    }

    .container {
        padding: 0 1rem;
    }

    section {
        padding: 2rem 0;
    }
}