/* ==========================================================================
   David H. Planet — a field journal in planetary health
   Text-first Ghost theme. Paper, ink, conifer, and a proofreader's madder.
   ========================================================================== */

:root {
    --paper: #ECE9DD;
    --paper-deep: #E2DFCF;
    --paper-bright: #F6F4EA;
    --ink: #23281F;
    --ink-soft: #5C6052;
    --rule: #C4C1AE;
    --conifer: #3F5C43;
    --madder: #93402F;
    --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", P052, Georgia, serif;
    --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

/* ---- base ---------------------------------------------------------- */

* { box-sizing: border-box; }

html { background: var(--paper); }

body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--gh-font-body, var(--serif));
    font-size: 1.05rem;
    line-height: 1.72;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--conifer); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--madder); text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--conifer); outline-offset: 3px; }

::selection { background: var(--conifer); color: var(--paper-bright); }

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

h1, h2, h3, h4 { font-family: var(--gh-font-heading, var(--serif)); font-weight: 600; line-height: 1.15; text-wrap: balance; margin: 0; }

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

.sheet { max-width: 720px; margin: 0 auto; padding: 0 1.5rem; }

.kicker {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-soft);
}
.kicker .mark, .mark { color: var(--madder); }
a.mark { color: var(--madder); text-decoration: none; }
a.mark:hover { text-decoration: underline; }

.double-rule { border: 0; border-top: 3px solid var(--ink); padding-top: 3px; border-bottom: 1px solid var(--ink); margin: 0; height: 0; box-sizing: content-box; }
.thin-rule { border: 0; border-top: 1px solid var(--rule); margin: 0; }

.meta { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); }
.meta a { color: var(--ink-soft); }
.read-link { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.08em; }
.deck { font-size: 1.1rem; color: var(--ink-soft); max-width: 36em; }

/* ---- slim header (all pages except home) --------------------------- */

.slim-header { padding-top: 1.6rem; }
.slim-header-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.5rem 1.5rem;
    padding-bottom: 0.7rem;
}
.wordmark {
    font-family: var(--mono);
    font-size: 0.8rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink);
    text-decoration: none;
    font-weight: 700;
}
.wordmark:hover { color: var(--conifer); }
.slim-nav { display: flex; flex-wrap: wrap; gap: 0.3rem 1.3rem; }
.slim-nav a {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-soft);
    text-decoration: none;
}
.slim-nav a:hover { color: var(--conifer); text-decoration: underline; text-decoration-thickness: 1px; }

/* ---- masthead (homepage) ------------------------------------------- */

.home { padding-top: 4.2rem; padding-bottom: 1rem; }
.masthead-eyebrow { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-bottom: 0.6rem; }
.masthead h1 { font-size: clamp(2.5rem, 7vw, 3.7rem); letter-spacing: -0.01em; margin: 1.9rem 0 0.9rem; }
.masthead .deck { font-size: 1.16rem; margin: 0 0 2rem; }
.masthead nav { display: flex; flex-wrap: wrap; gap: 0.4rem 1.6rem; padding: 0.85rem 0 2.8rem; }
.masthead nav a {
    font-family: var(--mono);
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink);
    text-decoration: none;
}
.masthead nav a:hover { color: var(--conifer); text-decoration: underline; text-decoration-thickness: 1px; }

/* ---- homepage sections --------------------------------------------- */

.section-label { margin: 2.8rem 0 1.1rem; }

.lead-essay h2 { font-size: clamp(1.7rem, 4.5vw, 2.3rem); margin-bottom: 0.7rem; }
.lead-essay h2 a { color: var(--ink); text-decoration: none; }
.lead-essay h2 a:hover { color: var(--conifer); }
.lead-essay .deck { margin: 0 0 0.9rem; }
.lead-essay > p { margin: 0.3rem 0; }

.also { margin-top: 1.6rem; padding-top: 1.1rem; border-top: 1px solid var(--rule); }
.also p { margin: 0.35rem 0; font-size: 0.98rem; }
.also .meta { margin-right: 0.75rem; }
.also-all { margin-top: 1rem; }

/* ---- field notes ledger -------------------------------------------- */

.notes-ledger { list-style: none; margin: 0; padding: 0; }
.notes-ledger li {
    display: grid;
    grid-template-columns: 6.2rem 1fr;
    gap: 1.2rem;
    padding: 1.05rem 0;
    border-top: 1px solid var(--rule);
}
.notes-ledger li:last-child { border-bottom: 1px solid var(--rule); }
.notes-ledger .date {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-soft);
    padding-top: 0.42em;
    font-variant-numeric: tabular-nums;
    text-decoration: none;
}
.notes-ledger .date:hover { color: var(--conifer); text-decoration: underline; }
.notes-ledger .entry { font-size: 1.0rem; }
.notes-ledger .entry > p:first-child::before { content: "* "; color: var(--madder); font-family: var(--mono); }
.notes-ledger .entry p { margin: 0 0 0.6rem; }
.notes-ledger .entry p:last-child { margin-bottom: 0; }
@media (max-width: 560px) {
    .notes-ledger li { grid-template-columns: 1fr; gap: 0.25rem; }
}

/* ---- the letter (newsletter) --------------------------------------- */

.letter {
    background: var(--paper-deep);
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    padding: 2.4rem 1.7rem;
    margin: 3.2rem -1.7rem 0;
}
@media (max-width: 760px) {
    .letter { margin-left: -1.5rem; margin-right: -1.5rem; padding-left: 1.5rem; padding-right: 1.5rem; }
}
.letter h2 { font-size: 1.45rem; margin: 0.55rem 0 0.6rem; }
.letter > p { margin: 0 0 1.3rem; max-width: 36em; color: var(--ink-soft); }
.letter form { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.letter input[type="email"] {
    flex: 1 1 240px;
    font-family: var(--mono);
    font-size: 0.85rem;
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--ink-soft);
    background: var(--paper-bright);
    color: var(--ink);
}
.letter button {
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: var(--ink);
    color: var(--paper-bright);
    border: 1px solid var(--ink);
    padding: 0.7rem 1.4rem;
    cursor: pointer;
}
.letter button:hover { background: var(--conifer); border-color: var(--conifer); }
.letter .fine { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.06em; color: var(--ink-soft); margin: 0.8rem 0 0; }

/* members form states (Portal toggles these classes) */
.form-msg { display: none; flex-basis: 100%; margin: 0.4rem 0 0; font-size: 0.9rem; }
form.success .form-msg-success { display: block; color: var(--conifer); }
form.error .form-msg-error, form.invalid .form-msg-error { display: block; color: var(--madder); }
form.loading button { opacity: 0.6; }

/* ---- speaking strip ------------------------------------------------- */

.speaking { padding-bottom: 2.2rem; }
.speaking p { max-width: 38em; margin: 0.3rem 0 0.9rem; }

/* ---- archives (essays, notes, threads, author) ---------------------- */

.archive { padding-top: 2.6rem; padding-bottom: 2rem; }
.archive-header { margin-bottom: 2.4rem; }
.archive-header h1 { font-size: clamp(1.9rem, 5vw, 2.6rem); margin: 0.7rem 0 0.8rem; }
.archive-header .deck { margin: 0; }
.archive-header .deck a { color: var(--conifer); }

.essay-list { display: grid; gap: 0; }
.essay-list-item { padding: 1.7rem 0; border-top: 1px solid var(--rule); }
.essay-list-item:last-child { border-bottom: 1px solid var(--rule); }
.essay-list-item h2 { font-size: 1.45rem; margin-bottom: 0.45rem; }
.essay-list-item h2 a { color: var(--ink); text-decoration: none; }
.essay-list-item h2 a:hover { color: var(--conifer); }
.essay-list-item .deck { font-size: 1rem; margin: 0 0 0.55rem; }
.archive .notes-ledger { margin-bottom: 1rem; }

.pagination {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    padding: 1.4rem 0 0.4rem;
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
}
.pagination-count { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-soft); }

/* ---- essay page ------------------------------------------------------ */

.essay-sheet { max-width: 680px; margin: 0 auto; padding: 2.6rem 1.5rem 3rem; }
.essay-header { margin-bottom: 2.2rem; }
.specimen-line { margin: 0 0 0.4rem; }
.essay-sheet h1 { font-size: clamp(2.1rem, 6vw, 3.1rem); margin: 0.8rem 0 1rem; }
.essay-header .deck { font-size: 1.18rem; line-height: 1.5; margin: 0 0 2.2rem; text-wrap: balance; }

.feature-plate { margin: 0 0 2.4rem; }
.feature-plate img { border: 1px solid var(--ink); display: block; }

.note-single { padding-top: 3rem; }
.note-header { margin-bottom: 1.6rem; }
.note-content { font-size: 1.12rem; }
.backlink-row { margin-top: 2.4rem; padding-top: 1.2rem; border-top: 1px solid var(--rule); }

/* ---- post content (.gh-content) -------------------------------------- */

.gh-content > * + * { margin-top: 1.35rem; margin-bottom: 0; }
.gh-content p { margin: 0; }
.gh-content > p:first-child::first-line { font-variant-caps: small-caps; letter-spacing: 0.04em; }
.note-content > p:first-child::first-line { font-variant-caps: normal; letter-spacing: 0; }

.gh-content h2 { font-size: 1.55rem; margin-top: 2.6rem; }
.gh-content h3 { font-size: 1.22rem; margin-top: 2.2rem; }
.gh-content h4 { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); margin-top: 2.2rem; }

.gh-content ul, .gh-content ol { padding-left: 1.4rem; }
.gh-content li { margin: 0.35rem 0; }
.gh-content li::marker { color: var(--madder); font-family: var(--mono); }

.gh-content hr { border: 0; border-top: 1px solid var(--rule); margin-top: 2.6rem; }
.gh-content hr + p { margin-top: 2.6rem; }

.gh-content strong { font-weight: 700; }
.gh-content em { font-style: italic; }

.gh-content code {
    font-family: var(--mono);
    font-size: 0.85em;
    background: var(--paper-deep);
    padding: 0.1em 0.35em;
}
.gh-content pre {
    background: var(--paper-deep);
    border: 1px solid var(--rule);
    padding: 1rem 1.2rem;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.6;
}
.gh-content pre code { background: none; padding: 0; }

.gh-content table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
.gh-content th, .gh-content td { border: 1px solid var(--rule); padding: 0.5rem 0.75rem; text-align: left; }
.gh-content th { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); }

/* standard quote: hanging bar in the margin of the text */
.gh-content blockquote {
    margin: 1.6rem 0 0;
    padding: 0.2rem 0 0.2rem 1.2rem;
    border-left: 1px solid var(--ink);
    font-style: italic;
    color: var(--ink-soft);
}

/* "large quote" toggle in the editor = the pull quote */
.gh-content blockquote.kg-blockquote-alt {
    border-left: 0;
    padding: 1.5rem 0.5rem;
    margin: 2.2rem 0 0;
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
    font-size: 1.35rem;
    line-height: 1.45;
    font-style: italic;
    color: var(--ink);
    text-align: left;
    text-wrap: balance;
}

/* ---- Ghost cards ----------------------------------------------------- */

.gh-content .kg-card { margin-top: 2.2rem; }

.kg-image-card img { border: 1px solid var(--ink); display: block; margin: 0 auto; }
.kg-card figcaption, .plate-caption {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-soft);
    margin-top: 0.6rem;
    line-height: 1.7;
    text-align: left;
}
.kg-card figcaption a { color: var(--conifer); }

.kg-callout-card {
    background: var(--paper-deep);
    border: 1px solid var(--rule);
    padding: 1.2rem 1.4rem;
    display: flex;
    gap: 0.8rem;
}
.kg-callout-card .kg-callout-text { font-size: 0.98rem; }

.kg-bookmark-card a { text-decoration: none; }
.kg-bookmark-container {
    display: flex;
    border: 1px solid var(--rule);
    background: var(--paper-bright);
    color: var(--ink);
}
.kg-bookmark-content { padding: 1rem 1.2rem; min-width: 0; }
.kg-bookmark-title { font-weight: 700; font-size: 0.98rem; }
.kg-bookmark-description { color: var(--ink-soft); font-size: 0.88rem; margin-top: 0.3rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kg-bookmark-metadata { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.06em; color: var(--ink-soft); margin-top: 0.55rem; display: flex; align-items: center; gap: 0.5rem; }
.kg-bookmark-icon { width: 14px; height: 14px; }
.kg-bookmark-thumbnail { display: none; }

.kg-button-card a.kg-btn {
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: var(--ink);
    color: var(--paper-bright);
    border: 1px solid var(--ink);
    padding: 0.7rem 1.4rem;
    text-decoration: none;
    display: inline-block;
}
.kg-button-card a.kg-btn:hover { background: var(--conifer); border-color: var(--conifer); }

.kg-file-card a { text-decoration: none; }
.kg-file-card-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--ink);
    background: var(--paper-bright);
    padding: 0.9rem 1.2rem;
    color: var(--ink);
}
.kg-file-card-title { font-weight: 700; font-size: 0.98rem; }
.kg-file-card-caption { color: var(--ink-soft); font-size: 0.85rem; }
.kg-file-card-metadata { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); margin-top: 0.3rem; }
.kg-file-card-icon { display: none; }

.kg-embed-card { position: relative; }
.kg-embed-card iframe { max-width: 100%; border: 1px solid var(--ink); display: block; }

/* editor width options: wide breaks the column, full bleeds to the viewport */
.kg-width-wide {
    position: relative;
    width: calc(100% + 10rem);
    margin-left: -5rem;
    max-width: min(1000px, calc(100vw - 3rem));
}
.kg-width-full {
    position: relative;
    width: 100vw;
    left: 50%;
    margin-left: -50vw;
    padding: 0 1.5rem;
}
@media (max-width: 1100px) {
    .kg-width-wide { width: 100%; margin-left: 0; max-width: 100%; }
}

/* video plates (built by main.js around YouTube embeds) */
.plate-frame {
    position: relative;
    aspect-ratio: 16 / 9;
    border: 1px solid var(--ink);
    background:
        repeating-linear-gradient(0deg, rgba(35, 40, 31, 0.05) 0 1px, transparent 1px 4px),
        var(--paper-deep);
    display: grid;
    place-items: center;
    cursor: pointer;
    width: 100%;
    padding: 0;
}
.plate-frame:hover .plate-play, .plate-frame:focus-visible .plate-play { background: var(--conifer); }
.plate-frame img.plate-thumb {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(35%) sepia(12%) contrast(0.95);
    opacity: 0.85;
}
.plate-play {
    position: relative;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--ink);
    display: grid;
    place-items: center;
    z-index: 1;
}
.plate-play svg { display: block; margin-left: 4px; }
.plate-kicker { margin-bottom: 0.7rem; }
.kg-embed-card iframe.plate-loaded { aspect-ratio: 16 / 9; width: 100%; height: auto; }

/* footnotes (markdown cards) — endnotes; main.js floats them into the margin on wide screens */
.gh-content .footnotes-sep { display: none; }
.gh-content .footnotes {
    margin-top: 3rem;
    border-top: 1px solid var(--rule);
    padding-top: 1.2rem;
    font-size: 0.85rem;
    color: var(--ink-soft);
}
.gh-content .footnotes ol { padding-left: 1.2rem; }
.gh-content .footnote-ref a, .gh-content sup a {
    font-family: var(--mono);
    font-size: 0.72em;
    color: var(--madder);
    text-decoration: none;
}
.gh-content .footnote-backref { font-family: var(--mono); text-decoration: none; }

.sidenote {
    float: right;
    clear: right;
    width: 230px;
    margin-right: -290px;
    margin-top: 0.2rem;
    margin-bottom: 0.9rem;
    font-size: 0.8rem;
    line-height: 1.55;
    color: var(--ink-soft);
}
.sidenote .sidenote-num { color: var(--madder); font-family: var(--mono); font-size: 0.85em; margin-right: 0.35em; }

/* ---- endmatter -------------------------------------------------------- */

.endmatter { margin-top: 2.8rem; }
.endmatter .inner { padding: 1.6rem 0 0.4rem; }
.endmatter .inner p { max-width: 36em; margin: 0 0 1rem; }
.endmatter .kicker { margin-bottom: 0.8rem; }
.bio { margin-top: 2.2rem; padding-top: 1.3rem; border-top: 1px solid var(--rule); font-size: 0.92rem; color: var(--ink-soft); max-width: 38em; }
.bio strong { color: var(--ink); }

/* ---- footer ------------------------------------------------------------ */

.site-footer { margin-top: 3.4rem; padding-bottom: 2rem; }
.footer-grid { display: flex; flex-wrap: wrap; gap: 2rem 4rem; padding: 1.6rem 0 1rem; }
.footer-grid h3 {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-soft);
    font-weight: 400;
    margin-bottom: 0.6rem;
}
.footer-nav { list-style: none; margin: 0; padding: 0; }
.footer-nav li { margin: 0.3rem 0; font-size: 0.95rem; }
.footer-letter-line { font-size: 0.95rem; max-width: 22em; margin: 0; }
.colophon {
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
    padding: 0.9rem 0 0.5rem;
    border-top: 1px solid var(--rule);
}
.colophon a { color: var(--ink-soft); }