/* ═══════════════════════════════════════════════════════════════════
   talks.css — Talks & Presentations page
   ═══════════════════════════════════════════════════════════════════ */

.sub-hero .sub-lede {
    max-width: 620px;
    margin-top: 1.2rem;
    font-size: 1rem;
    color: var(--text-soft);
    line-height: 1.7;
}

/* ─── Talk list ─────────────────────────────────────────────────── */
.talks-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.talk-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.7rem 2rem;
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 1.6rem;
    align-items: start;
    position: relative;
    overflow: hidden;
    transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.talk-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 2px;
    background: var(--accent);
    transform: scaleY(0);
    transform-origin: center;
    transition: transform .3s var(--ease);
}
.talk-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
    box-shadow: var(--shadow-card);
}
.talk-card:hover::before { transform: scaleY(1); }

/* Kind-coloured left rail */
.talk-card--hackathon::before { background: linear-gradient(180deg, var(--amber), var(--accent)); }
.talk-card--poster::before    { background: var(--accent); }
.talk-card--thesis::before    { background: linear-gradient(180deg, var(--accent), var(--amber)); }
.talk-card--talk::before      { background: var(--accent); }
.talk-card--workshop::before  { background: linear-gradient(180deg, var(--amber), var(--accent-d)); }

/* Date / kind column */
.talk-date {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding-right: 1rem;
    border-right: 1px dashed var(--border);
}
.talk-date-month {
    font-family: var(--display);
    font-size: 1.05rem;
    font-style: italic;
    color: var(--accent);
    line-height: 1.2;
}
.talk-date-kind {
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
}

/* Body column */
.talk-body { min-width: 0; }
.talk-meta-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.4rem;
    min-height: 22px;
}
.talk-award {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--amber);
    background: var(--amber-bg);
    border: 1px solid var(--amber-glow);
    padding: 0.25rem 0.65rem;
    border-radius: 0.35rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.talk-title {
    font-family: var(--display);
    font-size: 1.35rem;
    font-weight: 400;
    line-height: 1.3;
    letter-spacing: -0.005em;
    color: var(--text);
    margin: 0 0 0.4rem;
}
.talk-venue {
    font-family: var(--display);
    font-style: italic;
    font-size: 0.92rem;
    color: var(--text-soft);
    margin: 0 0 0.8rem;
}
.talk-desc {
    color: var(--text-soft);
    font-size: 0.92rem;
    line-height: 1.7;
    max-width: 640px;
    margin: 0;
}

/* ─── CTA block at end of page ─────────────────────────────────── */
.talks-cta {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem 2.2rem 2.1rem;
}
.talks-cta .sec-title { margin-bottom: 1rem; }
.talks-cta-body {
    color: var(--text-soft);
    font-size: 0.96rem;
    line-height: 1.7;
    max-width: 640px;
    margin-bottom: 1.3rem;
}
.talks-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.2rem;
    border-radius: 999px;
    background: var(--accent);
    color: var(--bg);
    border: 1px solid var(--accent);
    font-family: var(--body);
    font-size: 0.86rem;
    font-weight: 500;
    text-decoration: none;
    transition: all .25s var(--ease);
}
.talks-cta-btn:hover {
    background: var(--accent-d);
    border-color: var(--accent-d);
    transform: translateY(-2px);
    box-shadow: 0 12px 26px -10px var(--accent-glow);
}
.talks-cta-btn span:last-child {
    transition: transform .25s var(--ease);
    display: inline-block;
}
.talks-cta-btn:hover span:last-child { transform: translateX(4px); }

/* ─── Responsive ───────────────────────────────────────────────── */
@media (max-width: 720px) {
    .talk-card {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1.4rem 1.5rem;
    }
    .talk-date {
        flex-direction: row;
        align-items: center;
        gap: 0.8rem;
        padding-right: 0;
        padding-bottom: 0.6rem;
        border-right: none;
        border-bottom: 1px dashed var(--border);
    }
    .talk-title { font-size: 1.2rem; }
}