/* ============================================
   Philosophy for Us — civic & warm
   Light, human, editorial. Deliberately distinct from
   The Eternal Argument's dark-cinematic theme.
   ============================================ */

:root {
    --accent: #c2693b;            /* overridden per-season in JS */
    --ink: #2b2722;               /* warm near-black text */
    --ink-soft: #5c554c;          /* secondary text */
    --ink-faint: #8a8278;         /* meta text */
    --paper: #faf6ef;             /* warm off-white page */
    --card: #ffffff;              /* card surface */
    --line: #e7ded1;              /* warm hairline */
    --line-strong: #d8cdba;
    --max: 880px;
    --radius: 14px;
    --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
    --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--sans);
    color: var(--ink);
    background: var(--paper);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

mark { background: color-mix(in srgb, var(--accent) 26%, transparent); color: inherit; border-radius: 2px; padding: 0 1px; }

/* ---- Header ---- */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem clamp(1.2rem, 4vw, 2.4rem);
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--paper) 88%, white);
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(8px);
}
.brand {
    font-family: var(--serif);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: 0.01em;
}
.brand:hover { text-decoration: none; color: var(--accent); }
.site-nav a {
    color: var(--ink-soft);
    margin-left: 1.4rem;
    font-size: 0.95rem;
}
.site-nav a:hover { color: var(--accent); }

/* ---- Layout ---- */
.container {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(2rem, 5vw, 3.5rem) clamp(1.2rem, 4vw, 2.4rem) 4rem;
}
.episode-narrow { max-width: 720px; }

/* ---- Show hero ---- */
.show-hero { text-align: center; margin-bottom: 2.4rem; }
.show-title {
    font-family: var(--serif);
    font-size: clamp(2.4rem, 7vw, 3.6rem);
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 0.6rem;
    color: var(--ink);
}
.show-tagline {
    font-size: 1.25rem;
    color: var(--accent);
    font-style: italic;
    font-family: var(--serif);
    margin-bottom: 1.2rem;
}
.show-desc {
    max-width: 620px;
    margin: 0 auto;
    color: var(--ink-soft);
    font-size: 1.05rem;
}

/* ---- Search ---- */
.search-container { position: relative; max-width: 520px; margin: 0 auto 3rem; }
.search-input {
    width: 100%;
    padding: 0.85rem 1.1rem;
    font-size: 1rem;
    font-family: var(--sans);
    color: var(--ink);
    background: var(--card);
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.search-results {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0; right: 0;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 12px 32px rgba(43, 39, 34, 0.12);
    overflow: hidden;
    display: none;
    z-index: 30;
}
.search-results.active { display: block; }
.search-result-item {
    display: block;
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--paper); text-decoration: none; }

/* ---- Section labels ---- */
.section-label {
    font-family: var(--sans);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--ink-faint);
    margin-bottom: 1.2rem;
}

/* ---- Season cards ---- */
.seasons-list { display: grid; gap: 1.2rem; }
.season-card {
    display: block;
    background: var(--card);
    border: 1px solid var(--line);
    border-left: 5px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.6rem 1.8rem;
    color: var(--ink);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.season-card:hover {
    text-decoration: none;
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(43, 39, 34, 0.10);
}
.season-kicker {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 0.4rem;
}
.season-title {
    font-family: var(--serif);
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
}
.season-desc { color: var(--ink-soft); margin-bottom: 0.9rem; }
.season-meta { font-size: 0.85rem; color: var(--ink-faint); }

/* ---- Season page ---- */
.season-header { margin-bottom: 2.4rem; }
.back-link { font-size: 0.9rem; color: var(--ink-faint); display: inline-block; margin-bottom: 1.2rem; }
.season-header h1 {
    font-family: var(--serif);
    font-size: clamp(2rem, 5vw, 2.8rem);
    font-weight: 600;
    line-height: 1.15;
    margin: 0.3rem 0 0.9rem;
}
.season-description { color: var(--ink-soft); font-size: 1.08rem; max-width: 640px; }

/* ---- Episode list ---- */
.episode-list { display: grid; gap: 1rem; }
.episode-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.2rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.3rem 1.5rem;
    color: var(--ink);
    transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}
.episode-card:hover {
    text-decoration: none;
    transform: translateY(-2px);
    border-color: var(--line-strong);
    box-shadow: 0 10px 24px rgba(43, 39, 34, 0.08);
}
.ep-num {
    font-family: var(--serif);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--accent);
    width: 2.2rem;
    text-align: center;
}
.ep-info { min-width: 0; }
.ep-title { font-family: var(--serif); font-size: 1.25rem; font-weight: 600; margin-bottom: 0.3rem; }
.ep-blurb { color: var(--ink-soft); font-size: 0.96rem; }
.ep-kicker {
    font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--accent); font-weight: 600; margin-bottom: 0.35rem;
}
.ep-meta { color: var(--ink-faint); font-size: 0.82rem; margin-top: 0.5rem; }
.ep-arrow { font-size: 1.6rem; color: var(--ink-faint); }
.episode-card:hover .ep-arrow { color: var(--accent); }

/* ---- Episode page ---- */
.episode-header { margin-bottom: 2rem; }
.breadcrumb { font-size: 0.85rem; color: var(--ink-faint); margin-bottom: 1.2rem; }
.breadcrumb a { color: var(--ink-faint); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .separator { margin: 0 0.5rem; }
.episode-header h1 {
    font-family: var(--serif);
    font-size: clamp(1.9rem, 5vw, 2.6rem);
    font-weight: 600;
    line-height: 1.15;
    margin: 0.4rem 0 0.6rem;
}
.ep-blurb-lead {
    font-family: var(--serif);
    font-size: 1.2rem;
    color: var(--ink-soft);
    line-height: 1.6;
}
.episode-section { margin-bottom: 2rem; }
.audio-section { margin: 2rem 0; }
audio { width: 100%; }

/* ---- Transcript ---- */
.transcript-section { border-top: 1px solid var(--line); padding-top: 1rem; }
.transcript-toggle {
    display: flex; align-items: center; gap: 0.6rem;
    width: 100%; background: none; border: none; cursor: pointer;
    color: var(--ink); padding: 0.4rem 0; font-family: inherit;
}
.transcript-toggle h2 { font-family: var(--serif); font-size: 1.3rem; font-weight: 600; }
.toggle-icon { transition: transform 0.2s; font-size: 1.4rem; color: var(--accent); }
.transcript-toggle[aria-expanded="true"] .toggle-icon { transform: rotate(90deg); }
.transcript-content {
    max-height: 75vh; overflow-y: auto; overflow-x: hidden;
    transition: max-height 0.3s ease; color: var(--ink-soft);
    margin-top: 1rem; padding: 1.2rem 1.4rem;
    border: 1px solid var(--line); border-radius: var(--radius);
    background: var(--card);
    overscroll-behavior: contain;
}
.transcript-content.collapsed {
    max-height: 0; overflow: hidden;
    margin-top: 0; padding-top: 0; padding-bottom: 0; border-color: transparent;
}
.transcript-content p { margin: 0.8rem 0; }
.transcript-content h1, .transcript-content h2, .transcript-content h3 {
    font-family: var(--serif); color: var(--ink); margin: 1.4rem 0 0.6rem;
}

/* ---- Episode nav ---- */
.episode-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.5rem; }
.nav-btn {
    flex: 1; display: flex; flex-direction: column; gap: 0.2rem;
    padding: 1rem 1.2rem; background: var(--card);
    border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink);
    transition: border-color 0.15s, transform 0.15s;
}
.nav-btn:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-2px); }
.nav-btn.next { text-align: right; }
.nav-label { font-size: 0.8rem; color: var(--ink-faint); }
.nav-title { font-family: var(--serif); font-weight: 600; }

/* ---- About ---- */
.about-header h1 { font-family: var(--serif); font-size: clamp(2rem, 5vw, 2.8rem); font-weight: 600; margin-bottom: 1.5rem; }
.about-body h2 { font-family: var(--serif); font-size: 1.4rem; font-weight: 600; margin: 2rem 0 0.6rem; }
.about-body p { color: var(--ink-soft); margin-bottom: 0.8rem; }
.about-lead { font-family: var(--serif); font-size: 1.25rem; color: var(--ink) !important; line-height: 1.6; }

/* ---- Error ---- */
.error-state { text-align: center; padding: 4rem 1rem; }
.error-state h1 { font-family: var(--serif); margin-bottom: 1rem; }

/* ---- Footer ---- */
.site-footer {
    border-top: 1px solid var(--line);
    text-align: center;
    padding: 2rem 1rem;
    color: var(--ink-faint);
    font-size: 0.9rem;
}

/* ---- Fade-in ---- */
.fade-in { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-in.visible { opacity: 1; transform: none; }

/* ---- Responsive ---- */
@media (max-width: 560px) {
    .episode-card { grid-template-columns: auto 1fr; }
    .ep-arrow { display: none; }
    .episode-nav { flex-direction: column; }
    .nav-btn.next { text-align: left; }
}