/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-blue: #2563eb;
    --dark-blue: #1e40af;
    --light-blue: #dbeafe;
    --text-dark: #0f172a;
    --text-medium: #334155;
    --text-light: #64748b;
    --bg-white: #ffffff;
    --bg-gray: #f8fafc;
    --bg-light: #f1f5f9;
    --border-color: #e2e8f0;
    --accent: #0ea5e9;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --section-padding: 80px 20px;
    --container-max: 1200px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-dark);
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

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

/* Buttons */
.btn-primary {
    display: inline-block;
    padding: 12px 28px;
    background-color: var(--primary-blue);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-blue);
}

.btn-primary:hover {
    background-color: var(--dark-blue);
    border-color: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.nav-brand {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-medium);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:not(.btn-primary):hover {
    color: var(--primary-blue);
}

.nav-menu .btn-primary {
    padding: 8px 20px;
}

/* Hero Section */
.hero {
    padding: 140px 20px 100px;
    background: linear-gradient(135deg, var(--bg-gray) 0%, var(--bg-white) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text h2 {
    color: var(--text-medium);
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.headshot {
    width: 100%;
    max-width: 380px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 4px solid white;
}

/* About Section */
.about {
    padding: var(--section-padding);
    background-color: var(--bg-white);
}

.about-intro {
    max-width: 900px;
    margin: 0 auto 60px;
    text-align: center;
}

.intro-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-medium);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.metric-card {
    background-color: var(--bg-gray);
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.metric-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-blue);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.15);
}

.metric-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.metric-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.metric-detail {
    font-size: 0.9rem;
    color: var(--text-light);
}

.metric-detail a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.metric-detail a:hover {
    color: var(--dark-blue);
    text-decoration: underline;
}

/* Section Title */
.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent));
    border-radius: 2px;
}

/* Experience Section */
.experience {
    padding: var(--section-padding);
    background-color: var(--bg-gray);
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-blue), var(--accent));
}

.timeline-item {
    position: relative;
    padding-left: 50px;
    margin-bottom: 50px;
}

.timeline-marker {
    position: absolute;
    left: -6px;
    top: 8px;
    width: 14px;
    height: 14px;
    background-color: var(--primary-blue);
    border: 3px solid var(--bg-gray);
    border-radius: 50%;
    z-index: 1;
}

.timeline-content {
    background-color: var(--bg-white);
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transform: translateX(4px);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.timeline-header h3 {
    color: var(--text-dark);
    margin-bottom: 4px;
}

.timeline-header h4 {
    color: var(--primary-blue);
    font-weight: 600;
}

.timeline-header h4 a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: all 0.3s ease;
}

.timeline-header h4 a:hover {
    color: var(--dark-blue);
    text-decoration: underline;
}

.timeline-date {
    color: var(--text-light);
    font-size: 0.95rem;
    font-weight: 500;
    white-space: nowrap;
}

.timeline-description {
    color: var(--text-medium);
    margin-bottom: 16px;
    line-height: 1.7;
}

.timeline-highlights {
    list-style: none;
    margin-bottom: 16px;
}

.timeline-highlights li {
    color: var(--text-medium);
    padding-left: 24px;
    margin-bottom: 8px;
    position: relative;
}

.timeline-highlights li a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.timeline-highlights li a:hover {
    color: var(--dark-blue);
    text-decoration: underline;
}

.timeline-highlights li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: 600;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    display: inline-block;
    padding: 6px 12px;
    background-color: var(--light-blue);
    color: var(--primary-blue);
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Education Section */
.education {
    padding: var(--section-padding);
    background-color: var(--bg-white);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.education-card {
    background-color: var(--bg-gray);
    padding: 32px;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.education-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-blue);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.15);
}

.education-card h3 {
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.education-card h4 {
    color: var(--text-dark);
    margin-bottom: 8px;
}

.education-school {
    color: var(--text-medium);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.education-year {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Press Section */
.press {
    padding: var(--section-padding);
    background-color: var(--bg-gray);
}

.press-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.press-item {
    background-color: var(--bg-white);
    padding: 36px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.press-item:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.press-source {
    display: inline-block;
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.press-title {
    color: var(--text-dark);
    font-size: 1.3rem;
    margin-bottom: 16px;
    line-height: 1.4;
}

.press-quote {
    border-left: 4px solid var(--primary-blue);
    padding-left: 20px;
    margin: 20px 0;
    font-style: italic;
    color: var(--text-medium);
    line-height: 1.7;
}

.press-attribution {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.press-description {
    color: var(--text-medium);
    margin-bottom: 12px;
    line-height: 1.7;
}

.press-detail {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.press-link {
    display: inline-block;
    color: var(--primary-blue);
    font-weight: 600;
    text-decoration: none;
    margin-top: 12px;
    transition: all 0.3s ease;
}

.press-link:hover {
    color: var(--dark-blue);
    transform: translateX(4px);
}

/* Testimonials Section */
.testimonials {
    padding: var(--section-padding);
    background-color: var(--bg-white);
}

.testimonial-card {
    max-width: 900px;
    margin: 0 auto 40px auto;
    background-color: var(--bg-gray);
    padding: 48px;
    border-radius: 16px;
    position: relative;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.testimonial-card:last-child {
    margin-bottom: 0;
}

.testimonial-quote-mark {
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 5rem;
    color: var(--light-blue);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-text {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-medium);
    font-style: italic;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.testimonial-attribution {
    color: var(--text-light);
    font-weight: 500;
    text-align: right;
}

.testimonial-attribution a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.testimonial-attribution a:hover {
    color: var(--dark-blue);
    text-decoration: underline;
}

.testimonial-context {
    color: var(--text-light);
    font-size: 0.9rem;
    font-style: italic;
    text-align: right;
    margin-top: 4px;
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--bg-gray) 0%, var(--light-blue) 100%);
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-description {
    font-size: 1.15rem;
    color: var(--text-medium);
    margin-bottom: 40px;
    line-height: 1.7;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.contact-links {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    justify-content: center;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-medium);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.contact-link:hover {
    color: var(--primary-blue);
}

.contact-link svg {
    flex-shrink: 0;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: var(--text-light);
    padding: 32px 20px;
    text-align: center;
}

.footer p {
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 968px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero {
        padding: 120px 20px 80px;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .press-grid {
        grid-template-columns: 1fr;
    }
    
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-header {
        flex-direction: column;
        gap: 8px;
    }
    
    .timeline-date {
        align-self: flex-start;
    }
}

@media (max-width: 640px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero-text h2 {
        font-size: 1.4rem;
    }
    
    .nav-menu {
        gap: 16px;
        font-size: 0.9rem;
    }
    
    .nav-menu .btn-primary {
        padding: 6px 16px;
        font-size: 0.9rem;
    }
    
    .metric-number {
        font-size: 2.5rem;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-links {
        flex-direction: column;
        gap: 16px;
    }
    
    .testimonial-card {
        padding: 32px 24px;
    }
    
    .testimonial-text {
        font-size: 1rem;
    }
}

/* Smooth Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-text,
.hero-image {
    animation: fadeInUp 0.8s ease-out;
}

.timeline-item {
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }
.timeline-item:nth-child(5) { animation-delay: 0.5s; }