/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Vercel design system colors */
:root {
    --geist-foreground: #000;
    --geist-background: #fff;
    --geist-accents-1: #fafafa;
    --geist-accents-2: #eaeaea;
    --geist-accents-3: #999;
    --geist-accents-4: #666;
    --geist-accents-5: #333;
    --geist-accents-6: #111;
    --geist-accents-7: #000;
    --geist-accents-8: #000;
    --geist-success-light: #0076ff;
    --geist-success: #0070f3;
    --geist-success-dark: #0366d6;
    --geist-error-light: #ff0080;
    --geist-error: #ee0000;
    --geist-error-dark: #c50000;
    --geist-warning-light: #f7b955;
    --geist-warning: #f5a623;
    --geist-warning-dark: #ab570a;
    --geist-violet-light: #d946ef;
    --geist-violet: #7928ca;
    --geist-violet-dark: #4c1d95;
    --geist-cyan-light: #79ffe1;
    --geist-cyan: #50e3c2;
    --geist-cyan-dark: #29bc9b;
    --geist-highlight-purple: #f81ce5;
    --geist-highlight-magenta: #eb367f;
    --geist-highlight-pink: #ff0080;
    --geist-highlight-yellow: #fff500;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segist UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--geist-foreground);
    background-color: var(--geist-background);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--geist-accents-2);
    z-index: 100;
}

nav {
    display: flex;
    justify-content: center;
    gap: 32px;
    padding: 16px 0;
}

.nav-link {
    color: var(--geist-accents-5);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--geist-foreground);
}

.nav-link.active {
    color: var(--geist-foreground);
    font-weight: 600;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero-content {
    width: 100%;
}

.profile-section {
    display: flex;
    gap: 48px;
    align-items: flex-start;
    margin-bottom: 48px;
}

.profile-image {
    flex-shrink: 0;
}

.headshot {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--geist-accents-2);
}

.profile-text h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--geist-foreground);
}

.bio, .philosophy {
    font-size: 18px;
    line-height: 1.7;
    color: var(--geist-accents-5);
    margin-bottom: 16px;
}

.bio a, .philosophy a {
    color: var(--geist-success);
    text-decoration: none;
    transition: color 0.2s ease;
}

.bio a:hover, .philosophy a:hover {
    color: var(--geist-success-dark);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 32px;
}

.contact-link.email {
    color: var(--geist-accents-4);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.contact-link.email:hover {
    color: var(--geist-success);
}

.social-links {
    display: flex;
    gap: 16px;
    align-items: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--geist-accents-4);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
    background-color: var(--geist-accents-1);
}

.social-link:hover {
    color: var(--geist-foreground);
    background-color: var(--geist-accents-2);
    transform: translateY(-1px);
}

.social-link svg {
    transition: transform 0.2s ease;
}

.social-link:hover svg {
    transform: scale(1.1);
}

/* Inline Interviews */
.interviews-inline {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--geist-accents-2);
}

.interviews-intro {
    font-size: 16px;
    color: var(--geist-accents-4);
    margin-bottom: 16px;
}

.interview-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.interview-links a {
    color: var(--geist-success);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.interview-links a:hover {
    color: var(--geist-success-dark);
}

/* Sections */
section {
    padding: 80px 0;
    border-bottom: 1px solid var(--geist-accents-2);
}

section:last-child {
    border-bottom: none;
}

/* Page Sections */
.page-section {
    padding: 48px 0;
    border-bottom: none;
}

.page-section h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--geist-foreground);
}

h2 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--geist-foreground);
}

.section-description {
    font-size: 18px;
    color: var(--geist-accents-4);
    margin-bottom: 24px;
}



/* Blog */
.blog-list {
    margin-top: 32px;
}

.blog-item {
    padding: 24px 0;
    border-bottom: 1px solid var(--geist-accents-2);
}

.blog-item:last-child {
    border-bottom: none;
}

.blog-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: background-color 0.2s ease;
    padding: 8px 0;
    border-radius: 8px;
}

.blog-link:hover {
    background-color: var(--geist-accents-1);
    padding: 8px 16px;
    margin: 0 -16px;
}

.blog-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--geist-foreground);
    line-height: 1.3;
}

.blog-excerpt {
    color: var(--geist-accents-5);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 8px;
}

.blog-date {
    color: var(--geist-accents-4);
    font-size: 14px;
    font-weight: 500;
}

/* Blog Post Styles */
.blog-post {
    max-width: 800px;
    margin: 0 auto;
}

.blog-post-header {
    margin-bottom: 48px;
    text-align: center;
}

.blog-post-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--geist-foreground);
    line-height: 1.1;
}

.blog-post-meta {
    color: var(--geist-accents-4);
    font-size: 16px;
    margin-bottom: 16px;
}

.blog-post-intro {
    font-size: 18px;
    color: var(--geist-accents-5);
    font-style: italic;
    margin-bottom: 24px;
    padding: 24px;
    background-color: var(--geist-accents-1);
    border-radius: 8px;
    border-left: 4px solid var(--geist-success);
}

.blog-post-content {
    font-size: 18px;
    line-height: 1.7;
    color: var(--geist-foreground);
}

.blog-post-content h2 {
    font-size: 32px;
    font-weight: 600;
    margin: 48px 0 24px 0;
    color: var(--geist-foreground);
}

.blog-post-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin: 32px 0 16px 0;
    color: var(--geist-foreground);
}

.blog-post-content p {
    margin-bottom: 24px;
    color: var(--geist-foreground);
}

.blog-post-content a {
    color: var(--geist-success);
    text-decoration: none;
    transition: color 0.2s ease;
}

.blog-post-content a:hover {
    color: var(--geist-success-dark);
    text-decoration: underline;
}

.blog-post-content blockquote {
    margin: 32px 0;
    padding: 24px;
    background-color: var(--geist-accents-1);
    border-left: 4px solid var(--geist-success);
    border-radius: 8px;
    font-style: italic;
    font-size: 20px;
    color: var(--geist-accents-6);
}

.blog-post-content blockquote p {
    margin-bottom: 0;
}

.blog-post-content ul, .blog-post-content ol {
    margin-bottom: 24px;
    padding-left: 24px;
}

.blog-post-content li {
    margin-bottom: 8px;
}

.blog-post-byline {
    margin-top: 64px;
    padding-top: 32px;
    border-top: 1px solid var(--geist-accents-2);
    text-align: center;
}

.blog-post-byline p {
    color: var(--geist-accents-4);
    font-size: 16px;
    margin-bottom: 8px;
}

.blog-post-byline a {
    color: var(--geist-success);
    text-decoration: none;
    font-weight: 500;
}

.blog-post-byline a:hover {
    color: var(--geist-success-dark);
    text-decoration: underline;
}

.blog-empty {
    text-align: center;
    padding: 48px;
    color: var(--geist-accents-3);
    font-style: italic;
}

/* Reading */
.books-list {
    margin-top: 32px;
}

.book-item {
    display: block;
    padding: 16px 0;
    border-bottom: 1px solid var(--geist-accents-2);
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.book-item:hover {
    background-color: var(--geist-accents-1);
}

.book-item:last-child {
    border-bottom: none;
}

.book-title {
    display: block;
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 4px;
    color: var(--geist-foreground);
    line-height: 1.4;
}

.book-author {
    display: block;
    color: var(--geist-accents-4);
    font-size: 14px;
}



/* Dinner Signup */
.dinner-signup {
    background-color: var(--geist-accents-1);
    border-radius: 12px;
    padding: 48px;
    margin: 0 -24px;
}

.page-section .dinner-signup {
    margin: 32px 0 0 0;
}

.signup-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--geist-foreground);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--geist-accents-2);
    border-radius: 6px;
    font-size: 16px;
    font-family: inherit;
    background-color: white;
    transition: border-color 0.2s ease;
}

.form-group select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23999' d='M4.427 9.573L8 13.146l3.573-3.573a.5.5 0 0 1 .708.708L8.354 14.207a.5.5 0 0 1-.708 0L3.72 10.281a.5.5 0 1 1 .708-.708z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
    cursor: pointer;
}

.form-group select:hover {
    border-color: var(--geist-accents-3);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--geist-success);
}

.form-group textarea {
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 16px;
    background-color: var(--geist-foreground);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.submit-btn:hover {
    background-color: var(--geist-accents-6);
}

.submit-btn:disabled {
    background-color: var(--geist-accents-3);
    cursor: not-allowed;
}

.form-message {
    margin-top: 16px;
    padding: 12px;
    border-radius: 6px;
    text-align: center;
    display: none;
}

.form-message.success {
    background-color: #f0f9ff;
    color: var(--geist-success-dark);
    border: 1px solid var(--geist-success);
}

.form-message.error {
    background-color: #fef2f2;
    color: var(--geist-error-dark);
    border: 1px solid var(--geist-error);
}



/* Ideas Page */
.ideas-list {
    margin-top: 32px;
}

.idea-item {
    padding: 20px 0;
    border-bottom: 1px solid var(--geist-accents-2);
}

.idea-item:last-child {
    border-bottom: none;
}

.idea-item h3 {
    color: var(--geist-foreground);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.3;
}

.idea-item p {
    color: var(--geist-accents-5);
    font-size: 16px;
    line-height: 1.6;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .profile-section {
        flex-direction: column;
        gap: 32px;
        align-items: center;
        text-align: center;
    }
    
    .headshot {
        width: 150px;
        height: 150px;
    }
    
    .profile-text h1 {
        font-size: 36px;
    }
    
    .bio, .philosophy {
        font-size: 16px;
    }
    
    .contact-links {
        align-items: center;
    }
    
    nav {
        gap: 16px;
        flex-wrap: wrap;
    }
    
    .dinner-signup {
        margin: 0 -16px;
        padding: 32px 16px;
    }
    
    section {
        padding: 48px 0;
    }
    
    .hero {
        padding: 48px 0;
    }
    
    .interviews-inline {
        margin-top: 24px;
        padding-top: 16px;
    }
    
    .interview-links {
        gap: 16px;
    }
    
    .page-section {
        padding: 32px 0;
    }
    
    .page-section h1 {
        font-size: 32px;
    }
    
    .book-item {
        padding: 12px 0;
    }
    
    .idea-item {
        padding: 16px 0;
    }
    
    .idea-item h3 {
        font-size: 18px;
    }
    
    .idea-item p {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .profile-text h1 {
        font-size: 28px;
    }
    
    h2 {
        font-size: 24px;
    }
    
    .contact-links {
        gap: 16px;
    }
    
    .social-links {
        gap: 12px;
    }
    
    .interview-links {
        flex-direction: column;
        gap: 12px;
    }
    
    .page-section h1 {
        font-size: 24px;
    }
    
    .book-title {
        font-size: 15px;
    }
    
    .book-author {
        font-size: 13px;
    }
    
    .idea-item {
        padding: 14px 0;
    }
    
    .idea-item h3 {
        font-size: 16px;
    }
    
    .idea-item p {
        font-size: 14px;
    }
}