/* ── Variables ───────────────────────────────────────────────────────────────── */
:root {
    /* Palette provisoire — à remplacer par la charte de Fabrice */
    --color-bg:        #faf9f7;
    --color-surface:   #ffffff;
    --color-border:    #e8e4df;
    --color-text:      #1a1714;
    --color-text-muted:#6b6560;
    --color-primary:   #2d5f2d;   /* vert foncé */
    --color-primary-light: #e8f0e8;
    --color-accent:    #c8860a;   /* or/ambre */
    --color-accent-light: #fdf3dc;
    --color-badge-rediff: #e8e4f0;
    --color-badge-bonus:  #fce8e8;

    --radius:   8px;
    --radius-lg: 16px;
    --shadow:   0 2px 8px rgba(0,0,0,.07);
    --shadow-md:0 4px 20px rgba(0,0,0,.10);

    --font-body: 'Georgia', serif;
    --font-ui:   system-ui, -apple-system, sans-serif;

    --max-w: 1100px;
    --gap:   1.5rem;
}

/* ── Reset ───────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.65;
    font-size: 1rem;
}
img { max-width: 100%; display: block; }
a  { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ──────────────────────────────────────────────────────────────────── */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* ── Header ──────────────────────────────────────────────────────────────────── */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.site-header .container {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding-top: .75rem;
    padding-bottom: .75rem;
}
.site-logo {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    text-decoration: none;
    flex-shrink: 0;
}
.logo-text { font-family: var(--font-ui); font-weight: 700; font-size: 1.1rem; color: var(--color-text); }
.logo-sub  { font-size: .75rem; color: var(--color-text-muted); font-family: var(--font-ui); }

.site-nav {
    display: flex;
    gap: 1.5rem;
    margin-left: auto;
    font-family: var(--font-ui);
    font-size: .9rem;
}
.site-nav a { color: var(--color-text-muted); }
.site-nav a:hover { color: var(--color-primary); text-decoration: none; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin-left: auto;
}
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-text); transition: .2s; }

/* ── Hero ────────────────────────────────────────────────────────────────────── */
.hero {
    background: var(--color-primary);
    color: #fff;
    padding: 4rem 0 3rem;
    text-align: center;
}
.hero h1 {
    font-size: clamp(1.8rem, 5vw, 3rem);
    font-family: var(--font-ui);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
}
.hero p {
    font-size: 1.1rem;
    opacity: .85;
    max-width: 560px;
    margin: 0 auto 2rem;
}
.hero-cta {
    display: inline-flex;
    gap: .75rem;
    flex-wrap: wrap;
    justify-content: center;
}
.btn {
    display: inline-block;
    padding: .7rem 1.5rem;
    border-radius: var(--radius);
    font-family: var(--font-ui);
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: opacity .15s;
}
.btn:hover { opacity: .85; text-decoration: none; }
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-outline  { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.5); }

/* ── Sections ────────────────────────────────────────────────────────────────── */
.section { padding: 3rem 0; }
.section-title {
    font-family: var(--font-ui);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}
.section-title a {
    font-size: .85rem;
    font-weight: 400;
    color: var(--color-text-muted);
    margin-left: .75rem;
}

/* ── Episode card ────────────────────────────────────────────────────────────── */
.episodes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--gap);
}
.episode-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: .6rem;
    transition: box-shadow .15s;
}
.episode-card:hover { box-shadow: var(--shadow-md); }
.episode-card-meta {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-family: var(--font-ui);
    font-size: .78rem;
    color: var(--color-text-muted);
}
.badge {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: .7rem;
    font-weight: 600;
    padding: .15rem .5rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: .03em;
}
.badge-rediff { background: var(--color-badge-rediff); color: #5a4f8c; }
.badge-bonus  { background: var(--color-badge-bonus);  color: #a02020; }
.badge-tag    { background: var(--color-primary-light); color: var(--color-primary); }

.episode-card h3 {
    font-size: 1rem;
    line-height: 1.4;
    font-family: var(--font-ui);
    font-weight: 600;
}
.episode-card h3 a { color: var(--color-text); }
.episode-card h3 a:hover { color: var(--color-primary); text-decoration: none; }
.episode-card-invite {
    font-size: .85rem;
    color: var(--color-text-muted);
}
.episode-card-footer {
    margin-top: auto;
    padding-top: .75rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-ui);
    font-size: .8rem;
    color: var(--color-text-muted);
}

/* ── Episode single page ─────────────────────────────────────────────────────── */
.episode-page { max-width: 780px; margin: 0 auto; padding: 2rem 1.25rem; }
.episode-back {
    font-family: var(--font-ui);
    font-size: .85rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    display: inline-block;
}
.episode-header { margin-bottom: 2rem; }
.episode-header h1 {
    font-size: clamp(1.4rem, 4vw, 2rem);
    line-height: 1.25;
    margin-bottom: .75rem;
    font-family: var(--font-ui);
    font-weight: 700;
}
.episode-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem 1rem;
    font-family: var(--font-ui);
    font-size: .85rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    align-items: center;
}
.episode-player {
    background: var(--color-primary-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin: 1.5rem 0;
}
.episode-player iframe {
    width: 100%;
    border: none;
    border-radius: var(--radius);
}
.episode-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    margin: 1.5rem 0;
}
.episode-desc {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
}
.episode-citation {
    border-left: 4px solid var(--color-accent);
    padding: 1rem 1.25rem;
    background: var(--color-accent-light);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
    font-size: 1.05rem;
    color: var(--color-text);
    margin: 2rem 0;
}
.related-episodes { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--color-border); }

/* ── Podcast index ───────────────────────────────────────────────────────────── */
.podcast-index { padding: 2rem 0; }
.filter-bar {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    font-family: var(--font-ui);
    font-size: .85rem;
}
.filter-btn {
    padding: .4rem .9rem;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    cursor: pointer;
    color: var(--color-text-muted);
    transition: .15s;
}
.filter-btn.active, .filter-btn:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* ── Pagination ──────────────────────────────────────────────────────────────── */
.pagination {
    display: flex;
    gap: .5rem;
    justify-content: center;
    margin-top: 2.5rem;
    font-family: var(--font-ui);
}
.pagination a, .pagination span {
    padding: .5rem .9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: .9rem;
    color: var(--color-text-muted);
}
.pagination a:hover { background: var(--color-primary-light); text-decoration: none; }
.pagination .current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ── Theme page ──────────────────────────────────────────────────────────────── */
.theme-header {
    background: var(--color-primary-light);
    border-bottom: 1px solid var(--color-border);
    padding: 2.5rem 0 2rem;
    margin-bottom: 2rem;
}
.theme-header h1 { font-family: var(--font-ui); font-size: 1.8rem; font-weight: 700; }
.theme-header p  { color: var(--color-text-muted); margin-top: .5rem; font-family: var(--font-ui); }

/* ── Footer ──────────────────────────────────────────────────────────────────── */
.site-footer {
    background: var(--color-text);
    color: rgba(255,255,255,.7);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
    font-family: var(--font-ui);
    font-size: .875rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}
.footer-about strong { display: block; color: #fff; margin-bottom: .5rem; }
.footer-about p { line-height: 1.5; }
.footer-nav, .footer-links { display: flex; flex-direction: column; gap: .5rem; }
.footer-nav a, .footer-links a { color: rgba(255,255,255,.6); }
.footer-nav a:hover, .footer-links a:hover { color: #fff; text-decoration: none; }
.footer-copy { border-top: 1px solid rgba(255,255,255,.1); padding-top: 1.5rem; color: rgba(255,255,255,.4); }

/* ── 404 ─────────────────────────────────────────────────────────────────────── */
.page-404 { text-align: center; padding: 6rem 1rem; }
.page-404 h1 { font-size: 5rem; font-family: var(--font-ui); color: var(--color-border); }
.page-404 p  { color: var(--color-text-muted); margin: 1rem 0 2rem; }

/* ── Mobile ──────────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .site-nav { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-surface); border-bottom: 1px solid var(--color-border); padding: 1rem 1.25rem; gap: 1rem; }
    .site-nav.open { display: flex; }
    .site-header { position: relative; }
    .nav-toggle { display: flex; }

    .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .episodes-grid { grid-template-columns: 1fr; }
    .hero { padding: 2.5rem 0 2rem; }
}