/* =====================================================================
 * Sun course section - page skin on top of /preview2/preview2.css
 * (the New Age TAeM design system). Light only, Age blue accent.
 * Palette tokens come from preview2.css; nothing is redefined here.
 *
 * CONTRACT: the class names .row, .row done, .row locked, .row-link,
 * .row-main, .row-title, .row-sub, .row-cta, .row-inert, .num and the
 * [data-sun-progress] element are read by the weekly release script
 * (_not_for_upload/sun-series/release_next_sun_part.py). Restyle freely,
 * rename nothing.
 * ===================================================================== */

/* These pages are Tailwind-free, like every other converted page, so the
   preflight preview2.css assumes has to be supplied here. */
.sc a { text-decoration: none; }
.sc img { max-width: 100%; display: block; }

.sc-masthead { position: static; }
.sc-masthead .p2-masthead__row2 { padding-top: 1.4rem; }

.sc {
    max-width: var(--p2-maxw);
    margin: 0 auto;
    padding: 0 1.25rem 4rem;
    font-family: var(--p2-sans);
    color: var(--p2-ink);
}

.sc h1, .sc h2, .sc h3 {
    font-family: var(--p2-serif);
    font-weight: 500;
    color: var(--p2-navy);
    letter-spacing: normal;
}

.sc-crumbs {
    display: flex; align-items: baseline; gap: .5rem;
    padding: 1rem 0 .25rem;
    font-size: .8125rem; color: var(--p2-ink-soft);
}
.sc-crumbs a { color: var(--p2-accent); }
.sc-crumbs a:hover { color: var(--p2-accent-hover); }
.sc-crumbs i { font-style: normal; color: var(--p2-ink-faint); }

.sc-eyebrow {
    display: block;
    font-size: .75rem; font-weight: 700;
    letter-spacing: .12em; text-transform: uppercase;
    color: var(--p2-accent);
}

/* ── Hero ─────────────────────────────────────────────────────────────
   Mirrors the issue-page hero: content left, portrait right, closed by a
   navy rule. */
.sc-hero {
    display: grid; gap: 2.5rem; grid-template-columns: 1fr;
    align-items: center;
    padding: 1.25rem 0 2.5rem;
    border-bottom: 2px solid var(--p2-navy);
}
@media (min-width: 860px) { .sc-hero { grid-template-columns: 1.55fr 1fr; } }

.sc-hero__title {
    font-size: clamp(2.15rem, 4.6vw, 3.15rem);
    line-height: 1.1;
    margin: .6rem 0 .75rem;
}
.sc-hero__standfirst {
    font-size: 1.0625rem; line-height: 1.6;
    color: var(--p2-ink-soft); max-width: 36em;
}
.sc-hero__by { margin-top: .9rem; font-size: .95rem; color: var(--p2-ink-faint); }
.sc-hero__by strong { color: var(--p2-ink); font-weight: 700; }

.sc-cta { margin-top: 1.5rem; display: flex; gap: .9rem; flex-wrap: wrap; align-items: center; }
.sc-btn {
    display: inline-block;
    background: var(--p2-accent); color: #FFFFFF;
    font-family: var(--p2-sans); font-size: 1rem; font-weight: 700;
    padding: .85rem 1.6rem; border-radius: 2px;
}
.sc-btn:hover { background: var(--p2-accent-hover); }
.sc-cta__note { font-size: .9rem; color: var(--p2-ink-faint); }

.sc-hero__art {
    border: 1px solid var(--p2-rule);
    border-radius: 2px; overflow: hidden;
    aspect-ratio: 4 / 5; max-height: 430px;
}
.sc-hero__art img { width: 100%; height: 100%; object-fit: cover; }

/* ── Facts strip ─────────────────────────────────────────────────────── */
.sc-facts {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 1px; background: var(--p2-rule);
    border: 1px solid var(--p2-rule); border-radius: 2px;
    margin: 1.75rem 0 3rem; overflow: hidden;
}
@media (min-width: 860px) { .sc-facts { grid-template-columns: repeat(4, 1fr); } }
.sc-fact { background: var(--p2-page); padding: 1rem 1.15rem; }
.sc-fact b {
    display: block; font-family: var(--p2-serif); font-weight: 500;
    font-size: 1.1rem; color: var(--p2-navy); margin-bottom: .15rem;
}
.sc-fact span { font-size: .85rem; color: var(--p2-ink-faint); }

/* ── Section headings, matching the design system band ────────────────── */
.sc-sec { margin-bottom: 3.25rem; }
.sc-sec__title {
    font-size: 1.55rem; margin: 0 0 1.15rem;
    padding-bottom: .5rem;
    border-bottom: 2px solid var(--p2-navy);
}

/* ── Who this is for ─────────────────────────────────────────────────── */
.sc-who { display: grid; gap: var(--p2-gap); grid-template-columns: 1fr; }
@media (min-width: 760px) { .sc-who { grid-template-columns: repeat(3, 1fr); } }
.sc-who__card {
    border: 1px solid var(--p2-rule); border-radius: 2px;
    background: var(--p2-page); overflow: hidden;
}
.sc-who__card img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.sc-who__body { padding: .9rem 1.05rem 1.15rem; }
.sc-who__card b {
    display: block; font-family: var(--p2-serif); font-weight: 500;
    font-size: 1.15rem; color: var(--p2-navy); margin-bottom: .2rem;
}
.sc-who__card span { font-size: .93rem; line-height: 1.55; color: var(--p2-ink-soft); }

/* ── What the course teaches ─────────────────────────────────────────── */
.sc-learn { display: grid; gap: 1px; background: var(--p2-rule);
            border: 1px solid var(--p2-rule); border-radius: 2px; overflow: hidden;
            grid-template-columns: 1fr; }
@media (min-width: 720px) { .sc-learn { grid-template-columns: 1fr 1fr; } }
.sc-learn > div {
    display: flex; gap: .75rem; align-items: flex-start;
    background: var(--p2-surface); padding: 1.05rem 1.2rem;
    font-size: .98rem; line-height: 1.55; color: var(--p2-ink-soft);
}
.sc-learn svg { flex-shrink: 0; width: 20px; height: 20px; color: var(--p2-accent); margin-top: .15rem; }

/* ── Syllabus ─────────────────────────────────────────────────────────
   Class names below are the release script's contract. Do not rename. */
.sc-syllabus { border: 1px solid var(--p2-rule); border-radius: 2px; overflow: hidden; }

.sc-syllabus .row {
    display: flex; align-items: center;
    border-top: 1px solid var(--p2-rule-soft);
    background: var(--p2-page);
}
.sc-syllabus .row:first-child { border-top: none; }

.sc-syllabus .row-link {
    flex: 1; min-width: 0; display: flex; gap: 1.1rem; align-items: center;
    padding: 1.1rem .75rem 1.1rem 1.35rem; color: inherit;
}
.sc-syllabus .row.done:hover { background: var(--p2-surface); }
.sc-syllabus .row.done:hover .row-title { color: var(--p2-accent-hover); }
.sc-syllabus .row-link:focus-visible { outline: 2px solid var(--p2-accent); outline-offset: -2px; }

.sc-syllabus .num {
    flex-shrink: 0; width: 42px; height: 42px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--p2-serif); font-size: 1.05rem; font-weight: 500;
    color: var(--p2-accent); background: var(--p2-surface);
}
.sc-syllabus .row.done .num { background: var(--p2-accent); color: #FFFFFF; }

.sc-syllabus .row-main { flex: 1; min-width: 0; }
.sc-syllabus .row-title {
    display: block; font-family: var(--p2-serif); font-weight: 500;
    font-size: 1.15rem; line-height: 1.3; color: var(--p2-navy);
}
.sc-syllabus .row-sub {
    display: block; font-size: .9rem; color: var(--p2-ink-faint); margin-top: .15rem;
}
.sc-syllabus .row-cta {
    flex-shrink: 0; font-size: .9rem; font-weight: 700;
    color: var(--p2-accent); white-space: nowrap;
}
.sc-syllabus .row .sun-share-btn { margin: 0 1.15rem 0 .8rem; }

.sc-syllabus .row.locked { background: var(--p2-surface); }
.sc-syllabus .row.locked .row-inert {
    flex: 1; display: flex; gap: 1.1rem; align-items: center; padding: 1.1rem 1.35rem;
}
.sc-syllabus .row.locked .num {
    background: transparent; border: 1px dashed var(--p2-rule); color: var(--p2-ink-faint);
}
.sc-syllabus .row.locked .row-title {
    font-family: var(--p2-sans); font-size: .98rem; font-weight: 700; color: var(--p2-ink-faint);
}
.sc-syllabus .row.locked .row-cta { color: var(--p2-ink-faint); font-weight: 400; }

/* ── Questions ───────────────────────────────────────────────────────── */
.sc details { border-bottom: 1px solid var(--p2-rule-soft); }
.sc details summary {
    cursor: pointer; list-style: none;
    padding: 1rem .25rem;
    font-family: var(--p2-sans); font-size: 1rem; font-weight: 700;
    color: var(--p2-navy);
    display: flex; justify-content: space-between; gap: 1rem;
}
.sc details summary::-webkit-details-marker { display: none; }
.sc details summary::after { content: "+"; color: var(--p2-accent); font-weight: 700; }
.sc details[open] summary::after { content: "\2013"; }
.sc details p {
    padding: 0 .25rem 1rem; font-size: .96rem; line-height: 1.6;
    color: var(--p2-ink-soft); max-width: 52em;
}

/* ── Share control and menu ──────────────────────────────────────────── */
.sun-share-btn {
    flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center;
    width: 2.1rem; height: 2.1rem; padding: 0;
    color: var(--p2-accent); background: transparent;
    border: 1px solid var(--p2-rule); border-radius: 50%; cursor: pointer;
    transition: border-color .2s, color .2s, background-color .2s;
}
.sun-share-btn:hover {
    border-color: var(--p2-accent); color: var(--p2-accent-hover);
    background: rgba(9, 109, 210, .07);
}
.sun-share-btn svg { width: 16px; height: 16px; }

.sun-share-popup {
    position: fixed; z-index: 2000;
    background: var(--p2-page); border: 1px solid var(--p2-rule);
    border-radius: 2px; padding: .9rem; width: 240px;
    box-shadow: 0 10px 28px rgba(10, 22, 51, .18);
    opacity: 0; visibility: hidden; transform: translateY(4px);
    transition: opacity .15s, transform .15s, visibility .15s;
}
.sun-share-popup.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.sun-share-popup-header {
    font-size: .74rem; font-weight: 700; letter-spacing: .08em;
    text-transform: uppercase; color: var(--p2-ink-faint); margin-bottom: .6rem;
}
.sun-share-popup-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .35rem; }
.sun-share-popup-btn, .sun-share-popup-copy {
    display: flex; align-items: center; gap: .5rem;
    padding: .5rem .55rem; border: none; background: transparent;
    border-radius: 2px; color: var(--p2-ink-soft);
    font-family: var(--p2-sans); font-size: .85rem; font-weight: 700;
    cursor: pointer; text-align: left;
}
.sun-share-popup-copy { width: 100%; }
.sun-share-popup-btn:hover, .sun-share-popup-copy:hover {
    background: rgba(9, 109, 210, .09); color: var(--p2-navy);
}
.sun-share-popup-btn svg, .sun-share-popup-copy svg { width: 17px; height: 17px; flex-shrink: 0; }
.sun-share-popup-divider { height: 1px; background: var(--p2-rule-soft); margin: .6rem 0; }
.sun-share-popup-copy.copied { color: var(--p2-accent); }

/* ── Teaching page (per-part shim into the reader) ───────────────────── */
.sc-teaching { max-width: 44rem; margin: 0 auto; padding: 3.5rem 1.25rem 4rem; text-align: center; }
.sc-teaching__card { border: 1px solid var(--p2-rule); border-radius: 2px; padding: 2.5rem 2rem; }
.sc-teaching h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); line-height: 1.15; margin: .5rem 0 .9rem; }
.sc-teaching p { color: var(--p2-ink-soft); font-size: 1.02rem; line-height: 1.6; margin-bottom: 1.75rem; }
.sc-teaching__back { margin-top: 1.5rem; font-size: .9rem; }
.sc-teaching__back a { color: var(--p2-accent); }
.sc-teaching__back a:hover { color: var(--p2-accent-hover); }