.talks-wall {
    max-width: 1280px;
    margin: 16px auto 0;
    padding: 0 24px;
}

.talks-section {
    position: relative;
    padding: 72px 0;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.talks-section:first-child {
    border-top: none;
    padding-top: 64px;
}

.talks-label {
    position: absolute;
    left: -4px;
    top: 56px;
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -1.8px;
    color: rgba(0, 0, 0, 0.085);
    user-select: none;
    pointer-events: none;
    z-index: 0;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.talks-grid {
    position: relative;
    z-index: 1;
    padding-left: 320px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 36px 24px;
}

.talk-badge {
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
    transition: transform 0.3s ease;
}

.talk-badge:hover {
    transform: translateY(-6px) rotate(0deg);
}

.talk-badge:nth-child(3n+1) { transform: rotate(-1deg); }
.talk-badge:nth-child(3n+2) { transform: rotate(0.6deg); }
.talk-badge:nth-child(3n+3) { transform: rotate(-0.4deg); }
.talk-badge:nth-child(3n+1):hover,
.talk-badge:nth-child(3n+2):hover,
.talk-badge:nth-child(3n+3):hover { transform: translateY(-6px) rotate(0deg); }

.talk-badge-inner {
    background: var(--white);
    border: 1px solid var(--lighter-gray);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.talk-badge:hover .talk-badge-inner {
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.12);
}
.talk-badge[data-color="red"]:hover .talk-badge-inner { border-color: #e74c3c; }
.talk-badge[data-color="green"]:hover .talk-badge-inner { border-color: #27ae60; }
.talk-badge[data-color="purple"]:hover .talk-badge-inner { border-color: #9b59b6; }
.talk-badge[data-color="blue"]:hover .talk-badge-inner { border-color: #3498db; }
.talk-badge[data-color="orange"]:hover .talk-badge-inner { border-color: #e67e22; }
.talk-badge[data-color="default"]:hover .talk-badge-inner { border-color: var(--accent); }

.talk-badge-hole {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 22px;
    height: 22px;
    background: var(--off-white);
    border: 3px solid var(--lighter-gray);
    border-radius: 50%;
    z-index: 3;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}
.talk-badge[data-color="red"]:hover .talk-badge-hole { border-color: #e74c3c; }
.talk-badge[data-color="green"]:hover .talk-badge-hole { border-color: #27ae60; }
.talk-badge[data-color="purple"]:hover .talk-badge-hole { border-color: #9b59b6; }
.talk-badge[data-color="blue"]:hover .talk-badge-hole { border-color: #3498db; }
.talk-badge[data-color="orange"]:hover .talk-badge-hole { border-color: #e67e22; }
.talk-badge[data-color="default"]:hover .talk-badge-hole { border-color: var(--accent); }

.talk-badge-stripe {
    height: 5px;
    background: linear-gradient(90deg, var(--accent), #4d9de0);
}
.talk-badge[data-color="red"] .talk-badge-stripe { background: linear-gradient(90deg, #e74c3c, #e67e22); }
.talk-badge[data-color="green"] .talk-badge-stripe { background: linear-gradient(90deg, #27ae60, #2ecc71); }
.talk-badge[data-color="purple"] .talk-badge-stripe { background: linear-gradient(90deg, #9b59b6, #8e44ad); }
.talk-badge[data-color="blue"] .talk-badge-stripe { background: linear-gradient(90deg, #3498db, #2980b9); }
.talk-badge[data-color="orange"] .talk-badge-stripe { background: linear-gradient(90deg, #e67e22, #f39c12); }

.talk-badge-image {
    width: 100%;
    height: 130px;
    object-fit: cover;
    border-bottom: 1px solid var(--lighter-gray);
}
.talk-badge-image-placeholder {
    width: 100%;
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--off-white);
    font-size: 42px;
    border-bottom: 1px solid var(--lighter-gray);
}

.talk-badge-content {
    padding: 18px 20px 20px;
}

.talk-badge-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--black);
    line-height: 1.3;
    margin-bottom: 6px;
    transition: color 0.2s ease;
}

.talk-badge[data-color="red"]:hover .talk-badge-title { color: #e74c3c; }
.talk-badge[data-color="green"]:hover .talk-badge-title { color: #27ae60; }
.talk-badge[data-color="purple"]:hover .talk-badge-title { color: #9b59b6; }
.talk-badge[data-color="blue"]:hover .talk-badge-title { color: #3498db; }
.talk-badge[data-color="orange"]:hover .talk-badge-title { color: #e67e22; }
.talk-badge[data-color="default"]:hover .talk-badge-title { color: var(--accent); }

.talk-badge-meta {
    font-size: 13px;
    color: var(--medium-gray);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.talk-badge-flag { font-size: 14px; }

.talk-badge-summary {
    font-size: 13px;
    color: var(--medium-gray);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 14px;
}

.talk-badge-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 14px;
    border-top: 1px dashed var(--lighter-gray);
    flex-wrap: wrap;
}

.talk-badge-footer-tag {
    font-size: 11px;
    font-weight: 500;
    color: var(--medium-gray);
}
.talk-badge-footer-tag:not(:last-of-type)::after {
    content: "·";
    margin-left: 8px;
}

.talk-badge-footer-icons {
    margin-left: auto;
    display: flex;
    gap: 6px;
}
.talk-badge-footer-icon {
    font-size: 12px;
    opacity: 0.7;
}

.talk-badge-featured {
    position: absolute;
    top: 14px;
    right: 14px;
    background: linear-gradient(135deg, #ffd700, #ffb700);
    color: #000;
    font-size: 9px;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    z-index: 2;
}

@media (max-width: 1024px) {
    .talks-label { font-size: 44px; letter-spacing: -1.4px; }
    .talks-grid { padding-left: 220px; }
}

@media (max-width: 820px) {
    .talks-section { padding: 40px 0; }
    .talks-label {
        position: static;
        transform: none;
        font-size: 40px;
        letter-spacing: -1.2px;
        color: rgba(0, 0, 0, 0.16);
        margin-bottom: 20px;
    }
    .talks-grid {
        padding-left: 0;
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .talk-badge,
    .talk-badge:nth-child(3n+1),
    .talk-badge:nth-child(3n+2),
    .talk-badge:nth-child(3n+3) { transform: none; }
    .talk-badge:hover { transform: translateY(-4px); }
    .talk-badge-inner { border-radius: 12px; }
    .talk-badge-hole { width: 18px; height: 18px; top: -6px; }
    .talk-badge-image,
    .talk-badge-image-placeholder { height: 110px; }
}

@media (max-width: 520px) {
    .talks-wall { padding: 0 16px; }
}