/* Self-hosted fonts */
@font-face {
    font-family: 'Lora';
    font-style: normal;
    font-weight: 400 600;
    font-display: swap;
    src: url('/assets/fonts/lora-latin.woff2') format('woff2');
}

@font-face {
    font-family: 'Lora';
    font-style: italic;
    font-weight: 400;
    font-display: swap;
    src: url('/assets/fonts/lora-italic-latin.woff2') format('woff2');
}

@font-face {
    font-family: 'Nunito';
    font-style: normal;
    font-weight: 400 600;
    font-display: swap;
    src: url('/assets/fonts/nunito-latin.woff2') format('woff2');
}

/* ========================================
   CSS Variables
   ======================================== */
:root {
    /* Typography */
    --font-sans: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Lora', Georgia, 'Times New Roman', serif;

    /* Primary - Deep Navy/Slate */
    --color-primary: #3d5a80;
    --color-primary-light: #6b8cad;
    --color-primary-dark: #2c4562;

    /* Secondary */
    --color-secondary: #5a7a99;
    --color-secondary-light: #8aa4bd;

    /* Backgrounds - Cool off-whites */
    --color-bg: #f9fafb;
    --color-bg-alt: #f0f2f5;
    --color-bg-code: #eef1f4;

    /* Text - Navy tones */
    --color-text: #1e2a3a;
    --color-text-light: #445566;
    --color-text-muted: #6b7a8a;

    /* Borders */
    --color-border: #d8dde3;

    /* Semantic */
    --color-success: #4a7c59;
    --color-error: #c45c5c;
}

/* ========================================
   CSS Reset
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 100%;
    line-height: 1.15;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: 100%;
}

/* Typography defaults */
h1, h2, h3 {
    font-family: var(--font-serif);
    font-weight: 600;
    color: var(--color-text);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* ========================================
   Accessibility Utilities
   ======================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* External link indicator */
.external-link-icon::after {
    content: '';
    display: inline-block;
    width: 0.75em;
    height: 0.75em;
    margin-left: 0.25em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'%3E%3C/path%3E%3Cpolyline points='15 3 21 3 21 9'%3E%3C/polyline%3E%3Cline x1='10' y1='14' x2='21' y2='3'%3E%3C/line%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    vertical-align: middle;
    opacity: 0.7;
}

/* ========================================
   Focus Styles (Accessibility)
   ======================================== */
/* Global focus-visible baseline */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Remove default focus for mouse users, keep for keyboard */
:focus:not(:focus-visible) {
    outline: none;
}

/* Navigation links focus */
.site-logo:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 4px;
    border-radius: 4px;
}

.nav-links a:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 4px;
    border-radius: 4px;
}

/* Button focus styles */
.btn:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible {
    outline: 3px solid var(--color-primary-dark);
    outline-offset: 3px;
}

.btn-submit:focus-visible {
    outline: 3px solid var(--color-primary-dark);
    outline-offset: 3px;
}

/* Footer links focus */
.footer-links a:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 4px;
    border-radius: 4px;
}

/* Post and content links focus */
.post-item h2 a:focus-visible,
.post-card a:focus-visible,
.view-all:focus-visible,
.post-nav a:focus-visible,
.series-context a:focus-visible,
.contact-intro a:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Form inputs - enhance existing focus with focus-visible */
.form-group input:focus-visible,
.form-group textarea:focus-visible {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* ========================================
   Navigation
   ======================================== */
.site-header {
    background-color: var(--color-bg);
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.site-logo {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.375rem;
    color: var(--color-text);
    transition: color 0.2s;
}

.site-logo:hover {
    color: var(--color-primary);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--color-text-light);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.2s;
    position: relative;
}

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

.nav-links a[aria-current="page"] {
    color: var(--color-primary);
}

.nav-links a[aria-current="page"]::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 1px;
}

@media (max-width: 600px) {
    .site-header {
        padding: 1rem 1.5rem;
    }

    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1.5rem;
    }
}

/* ========================================
   Hero Section (Home)
   ======================================== */
.hero {
    padding: 4rem 1.5rem 5rem;
    background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.hero-content {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

.hero-photo {
    width: 180px;
    height: 180px;
    border-radius: 24px;
    object-fit: cover;
    margin: 0 auto 2rem;
    box-shadow: 0 8px 30px rgba(61, 54, 50, 0.12);
    border: 4px solid var(--color-bg);
}

.hero-greeting {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-intro {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.hero-intro p {
    margin-bottom: 1rem;
}

.hero-intro p:last-child {
    margin-bottom: 0;
}

.hero-connect {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.2s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

@media (min-width: 768px) {
    .hero {
        padding: 6rem 2rem 7rem;
    }

    .hero-photo {
        width: 220px;
        height: 220px;
    }

    .hero-greeting {
        font-size: 3rem;
    }

    .hero-intro {
        font-size: 1.25rem;
    }
}

/* ========================================
   Recent Writing Section (Home)
   ======================================== */
.recent-writing {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 1.5rem 5rem;
}

.recent-writing h2 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    color: var(--color-text);
    margin-bottom: 2rem;
    text-align: center;
}

.post-cards {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .post-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .post-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

.post-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.2s ease;
}

.post-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: 0 4px 20px rgba(61, 54, 50, 0.08);
    transform: translateY(-2px);
}

.post-card a {
    display: block;
    text-decoration: none;
}

.post-card h3 {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.post-card time {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.post-card p {
    margin-top: 0.75rem;
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

.view-all {
    display: block;
    text-align: center;
    margin-top: 2rem;
    color: var(--color-primary);
    font-weight: 500;
}

.view-all:hover {
    text-decoration: underline;
}

/* ========================================
   Page Layout
   ======================================== */
.page-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    flex: 1;
}

.page-content h1 {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.page-content p {
    margin-bottom: 1rem;
    line-height: 1.6;
    color: var(--color-text-light);
}

/* ========================================
   Blog Index
   ======================================== */
.blog-header {
    text-align: center;
    margin-bottom: 3rem;
}

.blog-header h1 {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.blog-header p {
    color: var(--color-text-muted);
    font-size: 1.125rem;
}

.post-list {
    list-style: none;
}

.post-item {
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--color-border);
}

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

.post-item h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.post-item h2 a {
    color: var(--color-text);
    transition: color 0.2s;
}

.post-item h2 a:hover {
    color: var(--color-primary);
}

.post-item time {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
}

.post-item p {
    margin-top: 0.75rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.no-posts {
    color: var(--color-text-muted);
    font-style: italic;
    text-align: center;
    padding: 3rem 0;
}

/* ========================================
   Single Post
   ======================================== */
.post {
    max-width: 720px;
    margin: 3rem auto;
    padding: 0 1.5rem;
}

.post-header {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.post-header h1 {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    line-height: 1.25;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.post-header time {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.meta-separator {
    color: var(--color-text-muted);
}

.read-time {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

.series-context {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background-color: var(--color-bg-alt);
    border-radius: 6px;
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

.series-context a {
    color: var(--color-primary);
    font-weight: 500;
}

.series-context a:hover {
    text-decoration: underline;
}

.post-tags {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.tag {
    background-color: var(--color-bg-alt);
    padding: 0.25rem 0.875rem;
    border-radius: 2rem;
    font-size: 0.8125rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.post-content {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
}

.post-content h2 {
    font-size: 1.625rem;
    margin: 2.5rem 0 1rem;
    color: var(--color-text);
}

.post-content h3 {
    font-size: 1.25rem;
    margin: 2rem 0 0.75rem;
    color: var(--color-text);
}

.post-content p {
    margin-bottom: 1.25rem;
}

.post-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.post-content a:hover {
    color: var(--color-primary-dark);
}

.post-content ul,
.post-content ol {
    margin: 1.25rem 0 1.25rem 1.5rem;
}

.post-content li {
    margin-bottom: 0.625rem;
}

.post-content code {
    background: var(--color-bg-code);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: 'SF Mono', 'Monaco', 'Menlo', monospace;
}

.post-content pre {
    background: var(--color-bg-code);
    padding: 1.25rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
    border: 1px solid var(--color-border);
}

.post-content pre code {
    background: none;
    padding: 0;
    font-size: 0.875rem;
    line-height: 1.6;
}

.post-content blockquote {
    border-left: 3px solid var(--color-primary);
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--color-text-light);
}

.post-nav {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.post-nav a {
    color: var(--color-primary);
    font-weight: 500;
}

.post-nav a:hover {
    text-decoration: underline;
}

.series-nav {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.series-prev,
.series-next {
    flex: 1;
    min-width: 200px;
}

.series-next {
    text-align: right;
}

.back-link {
    display: block;
    margin-top: 1rem;
}

/* Takeaway callout for post content */
.takeaway {
    background: var(--color-bg-alt);
    border-left: 3px solid var(--color-primary);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    border-radius: 0 6px 6px 0;
}

.takeaway p:last-child {
    margin-bottom: 0;
}

/* ========================================
   Contact Page
   ======================================== */
.contact-intro {
    margin-bottom: 2.5rem;
}

.contact-intro p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 0.75rem;
}

.contact-intro a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.contact-form {
    max-width: 500px;
}

.honeypot {
    position: absolute;
    left: -9999px;
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.625rem;
    font-weight: 500;
    color: var(--color-text);
    font-size: 0.9375rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.btn-submit {
    background-color: var(--color-primary);
    color: white;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s;
}

.btn-submit:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn-submit:disabled {
    background-color: var(--color-primary-light);
    cursor: not-allowed;
    transform: none;
}

.form-status {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    border-radius: 8px;
    display: none;
}

.form-status.success {
    display: block;
    background-color: #e8f5e9;
    color: var(--color-success);
    border: 1px solid #c8e6c9;
}

.form-status.error {
    display: block;
    background-color: #ffebee;
    color: var(--color-error);
    border: 1px solid #ffcdd2;
}

/* Field-level error messages */
.field-error {
    display: block;
    margin-top: 0.375rem;
    font-size: 0.875rem;
    color: var(--color-error);
    min-height: 1.25rem;
}

/* Invalid field state */
.form-group input[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] {
    border-color: var(--color-error);
}

.form-group input[aria-invalid="true"]:focus,
.form-group textarea[aria-invalid="true"]:focus {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(196, 92, 92, 0.3);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    margin-top: auto;
    background-color: var(--color-bg-alt);
    padding: 3rem 1.5rem;
    border-top: 1px solid var(--color-border);
}

.footer-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.footer-message {
    margin-bottom: 1.5rem;
}

.footer-message p {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: var(--color-text);
    font-style: italic;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    transition: color 0.2s;
}

.footer-links a:first-child {
    text-align: right;
}

.footer-links a:last-child {
    text-align: left;
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

/* ========================================
   Main content area
   ======================================== */
#main {
    flex: 1;
}