.expo-section {
    background-color: #f5f0e8;
    padding: 100px 0;
}

.expo-container {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Header (like catalogo: left-aligned, big) ---- */

.expo-content {
    text-align: left;
    margin-bottom: 48px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.expo-section.reveal .expo-content {
    opacity: 1;
    transform: translateY(0);
}

.expo-eyebrow {
    font-family: "Inter", sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #a67f69;
    display: inline-block;
    margin-bottom: 12px;
    position: relative;
    padding-left: 44px;
}

.expo-eyebrow::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 28px;
    height: 1px;
    background: #a67f69;
}

.expo-title {
    font-family: "Lora", serif;
    font-weight: 600;
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    line-height: 1.08;
    color: #1a1a1a;
    margin-bottom: 6px;
    letter-spacing: -0.5px;
}

.expo-subtitle {
    font-family: "Lora", serif;
    font-style: italic;
    font-weight: 400;
    font-size: 1.1rem;
    color: #6b6757;
    margin-bottom: 4px;
}

/* ---- Legend text ---- */

.expo-legend {
    font-family: "Inter", sans-serif;
    font-size: 0.82rem;
    line-height: 1.6;
    color: #7a7569;
    margin-top: 14px;
    max-width: 520px;
}

/* ---- Destacadas label ---- */

.expo-destacadas-label {
    display: block;
    font-family: "Inter", sans-serif;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #a67f69;
    margin-bottom: 14px;
}

/* ---- Highlights (visible preview) ---- */

.expo-highlights {
    list-style: none;
    padding: 0;
    margin: 0 0 36px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease 0.15s, transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.15s;
}

.expo-section.reveal .expo-highlights {
    opacity: 1;
    transform: translateY(0);
}

.expo-highlights li {
    display: flex;
    align-items: baseline;
    gap: 14px;
    font-family: "Inter", sans-serif;
    font-size: 0.9rem;
    line-height: 1.55;
    color: #3b3634;
    padding: 5px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.expo-highlights .expo-year {
    flex-shrink: 0;
    display: inline-block;
    min-width: 38px;
    font-family: "Inter", sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #a67f69;
    padding: 2px 8px;
    border-radius: 2px;
    background: rgba(166, 127, 105, 0.1);
    text-align: center;
}

/* ---- Toggle button ---- */

.expo-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    background: none;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 2px;
    color: #3b3634;
    font-family: "Inter", sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: border-color 0.3s ease, background 0.3s ease, opacity 0.6s ease 0.3s;
    margin-bottom: 40px;
    opacity: 0;
}

.expo-section.reveal .expo-toggle {
    opacity: 1;
}

.expo-toggle:hover {
    border-color: #a67f69;
    background: rgba(166, 127, 105, 0.06);
}

.expo-toggle-icon {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.expo-toggle.open .expo-toggle-icon {
    transform: rotate(180deg);
}

/* ---- Full list (collapsible) ---- */

.expo-list {
    text-align: left;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.4s ease;
    max-height: 0;
    opacity: 0;
}

.expo-list.open {
    max-height: 6000px;
    opacity: 1;
}

/* ---- Decade group ---- */

.expo-group {
    margin-bottom: 40px;
}

.expo-decade {
    display: block;
    font-family: "Inter", sans-serif;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #a67f69;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

/* ---- Items ---- */

.expo-items {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.expo-items li {
    display: flex;
    align-items: baseline;
    gap: 14px;
    font-family: "Inter", sans-serif;
    font-size: 0.88rem;
    line-height: 1.55;
    color: #3b3634;
    padding: 4px 0;
}

.expo-items .expo-year {
    flex-shrink: 0;
    display: inline-block;
    min-width: 38px;
    font-family: "Inter", sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #a67f69;
    padding: 1px 6px;
    border-radius: 2px;
    background: rgba(166, 127, 105, 0.08);
    text-align: center;
}

/* ---- Close button ---- */

.expo-close {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 8px 20px;
    background: none;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 2px;
    color: #7a7569;
    font-family: "Inter", sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: border-color 0.3s ease, color 0.3s ease;
}

.expo-close:hover {
    border-color: #a67f69;
    color: #3b3634;
}

.expo-close-icon {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.expo-close:hover .expo-close-icon {
    transform: translateX(-2px);
}

/* =============================
   RESPONSIVE
   ============================= */

@media (max-width: 768px) {
    .expo-section {
        padding: 60px 0 80px;
    }

    .expo-container {
        padding: 0 20px;
    }

    .expo-highlights li {
        flex-direction: column;
        gap: 2px;
        font-size: 0.82rem;
        padding: 8px 0;
    }

    .expo-highlights .expo-year {
        align-self: flex-start;
        font-size: 0.65rem;
    }

    .expo-items li {
        flex-direction: column;
        gap: 2px;
        font-size: 0.82rem;
        padding: 6px 0;
    }

    .expo-items .expo-year {
        align-self: flex-start;
        font-size: 0.65rem;
        min-width: 32px;
    }

    .expo-group {
        margin-bottom: 32px;
    }
}