/*
 * SEAM Field Notes - Reading Theme
 * Prioritizes readability above all else.
 * No italics. Clean type. Generous spacing.
 */

@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@300;400;500;600&family=Source+Serif+4:wght@300;400;500;600&display=swap');

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

body {
    background: #FAFAF8;
    color: #2c2c2c;
    font-family: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 400;
    line-height: 1.9;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* -- NAV -- */
header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    max-width: 740px;
    margin: 0 auto;
}
header nav .logo {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a1a;
    text-decoration: none;
    letter-spacing: 0.01em;
}
header nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}
header nav ul li a {
    color: #777;
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    transition: color 0.2s ease;
}
header nav ul li a:hover { color: #c46a3a; }

/* -- LAYOUT -- */
.content-wrapper {
    max-width: 740px;
    margin: 0 auto;
    padding: 0 24px 100px;
}

/* -- POST HEADER -- */
.post-header {
    padding: 56px 0 36px;
    border-bottom: 1px solid #e8e5e0;
    margin-bottom: 40px;
}

.back-link, .back-link:visited {
    font-size: 14px;
    color: #888;
    text-decoration: none;
    transition: color 0.2s ease;
}
.back-link:hover { color: #c46a3a; }

.date {
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #999;
    margin: 16px 0 14px;
    font-weight: 500;
}

.post-header h1 {
    font-family: 'Source Serif 4', Georgia, serif;
    font-weight: 600;
    font-size: clamp(26px, 5vw, 38px);
    color: #1a1a1a;
    line-height: 1.2;
    letter-spacing: -0.3px;
    margin-bottom: 12px;
    font-style: normal;
}

.subtitle {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: clamp(16px, 2.2vw, 19px);
    color: #666;
    line-height: 1.6;
}

/* -- POST CONTENT -- */
.post-content h2 {
    font-family: 'Source Serif 4', Georgia, serif;
    font-weight: 600;
    font-style: normal;
    font-size: clamp(21px, 3.2vw, 27px);
    color: #1a1a1a;
    margin: 52px 0 16px;
    letter-spacing: -0.2px;
    line-height: 1.25;
}

.post-content p {
    font-size: 17px;
    line-height: 1.9;
    color: #2c2c2c;
    margin-bottom: 22px;
    font-weight: 400;
}

.post-content p strong {
    font-weight: 600;
    color: #1a1a1a;
}

.post-content p em {
    font-style: normal;
    color: #555;
    background: rgba(196, 106, 58, 0.06);
    padding: 1px 4px;
    border-radius: 3px;
}

.post-content hr {
    border: none;
    height: 1px;
    background: #e0ddd8;
    margin: 48px auto;
    max-width: 120px;
}

/* -- REFERENCES -- */
.references-heading {
    font-size: 12px !important;
    font-weight: 600 !important;
    letter-spacing: 0.1em !important;
    text-transform: uppercase !important;
    color: #999 !important;
    font-style: normal !important;
}

.reference {
    font-size: 14px !important;
    line-height: 1.7 !important;
    color: #888 !important;
    margin-bottom: 8px !important;
    padding-left: 24px !important;
    text-indent: -24px !important;
    font-style: normal !important;
}

.reference em {
    font-style: normal !important;
    text-decoration: underline;
    text-decoration-color: #ccc;
    text-underline-offset: 2px;
}

.post-footer-note {
    font-size: 14px !important;
    color: #888 !important;
    line-height: 1.7 !important;
    font-style: normal !important;
}

.post-footer-note em {
    font-style: normal !important;
}

/* -- IMAGES (trust piece figures) -- */
.seam-figure {
    margin: 2.5rem 0;
    text-align: center;
}

.seam-figure img {
    width: 100%;
    max-width: 720px;
    height: auto;
    border-radius: 6px;
    display: block;
    margin: 0 auto;
}

.seam-figure figcaption {
    margin-top: 0.75rem;
    font-size: 14px;
    color: #888;
    font-style: normal;
    letter-spacing: 0.01em;
}

/* -- FOOTER -- */
.site-footer {
    max-width: 740px;
    margin: 0 auto;
    padding: 40px 24px;
    text-align: center;
    border-top: 1px solid #e8e5e0;
    color: #aaa;
    font-size: 13px;
}

.site-footer .social-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 12px;
}

.site-footer .social-links a svg {
    width: 18px;
    height: 18px;
    fill: #bbb;
    transition: fill 0.2s ease;
}

.site-footer .social-links a:hover svg { fill: #c46a3a; }

/* -- RESPONSIVE -- */
@media (max-width: 600px) {
    body { font-size: 16px; }
    .post-header { padding: 36px 0 24px; }
    header nav ul { gap: 12px; }
    header nav ul li a { font-size: 12px; }
    .content-wrapper { padding: 0 18px 60px; }
    .post-content p { font-size: 16px; }
}