/* --- Air Hack Challenges Styles --- */
.air-hack-wrapper {
    width: 100%;
    margin: 40px 0;
    font-family: 'Inter', 'Roboto', 'Segoe UI', sans-serif;
}

.air-hack-filters {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.air-hack-filter-btn {
    background: transparent;
    border: 1px solid #19A89F;
    color: #d1d5db;
    padding: 10px 24px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.air-hack-filter-btn.active,
.air-hack-filter-btn:hover {
    background: linear-gradient(252.69deg, #18AB50 1.05%, #C43E82 54.35%, #0CB0D0 99.45%);
    border-color: transparent;
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.air-hack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    align-items: stretch;
}

.air-hack-card {
    background:
        linear-gradient(var(--e-global-color-9a6815b), var(--e-global-color-9a6815b)) padding-box,
        linear-gradient(252.69deg, #18AB50 1.05%, #C43E82 54.35%, #0CB0D0 99.45%) border-box;
    border: 1px solid #19A89F;
    border-radius: 12px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.air-hack-card:hover {
    transform: translateY(-5px);
    border-color: transparent;
    box-shadow: 0 12px 20px -3px rgba(0, 0, 0, 0.2);
}

.air-hack-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-top: 0;
    margin-bottom: 16px;
}

.air-hack-card-excerpt {
    font-size: 0.95rem;
    color: #d1d5db;
    line-height: 1.6;
    margin-bottom: 24px;
    flex-grow: 1;
}

.air-hack-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.air-hack-tag {
    font-size: 0.85rem;
    font-weight: 700;
    background: linear-gradient(252.69deg, #18AB50 1.05%, #C43E82 54.35%, #0CB0D0 99.45%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    padding: 0;
}

/* Modal "Fancybox" Styles */
.air-hack-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(5px);
}

.air-hack-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.air-hack-modal-content {
    background: var(--e-global-color-f5fb7ba);
    background-image:
        linear-gradient(var(--e-global-color-f5fb7ba), var(--e-global-color-f5fb7ba)),
        linear-gradient(252.69deg, #18AB50 1.05%, #C43E82 54.35%, #0CB0D0 99.45%);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    border: 2px solid transparent;
    border-radius: 16px;
    width: 90%;
    max-width: 800px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 40px;
    position: relative;
    transform: scale(0.95);
    transition: transform 0.3s ease;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    color: #ffffff;
}

.air-hack-modal-overlay.active .air-hack-modal-content {
    transform: scale(1);
}

.air-hack-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: #9ca3af;
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s ease;
}

.air-hack-modal-close:hover {
    color: #C43E82;
}

.air-hack-modal-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 24px;
    background: linear-gradient(252.69deg, #18AB50 1.05%, #C43E82 54.35%, #0CB0D0 99.45%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    padding-right: 40px;
    /* Space for close button */
}

.air-hack-modal-body {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #d1d5db;
}

.air-hack-modal-body p {
    margin-bottom: 16px;
}

/* Ascundere prin filtru JavaScript via css grid fallback */
.air-hack-card.hidden {
    display: none !important;
}

/* Custom Modal scrollbar */
.air-hack-modal-content::-webkit-scrollbar {
    width: 8px;
}

.air-hack-modal-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.air-hack-modal-content::-webkit-scrollbar-thumb {
    background: #19A89F;
    border-radius: 4px;
}

.air-hack-modal-content::-webkit-scrollbar-thumb:hover {
    background: #0CB0D0;
}

/* --- Air Hack Agenda Styles --- */
.air-hack-agenda {
    max-width: 900px;
    margin: 0 auto 60px auto;
    font-family: inherit;
}

.agenda-day {
    margin-bottom: 48px;
}

.agenda-day-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 32px;
    color: #ffffff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 16px;
    letter-spacing: -0.5px;
}

.agenda-timeline {
    position: relative;
    padding-left: 20px;
}

.agenda-timeline::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 8px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #18AB50 0%, #C43E82 50%, #0CB0D0 100%);
    opacity: 0.5;
}

.agenda-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 32px;
    position: relative;
}

.agenda-time {
    flex: 0 0 140px;
    font-size: 1.15rem;
    font-weight: 700;
    padding-right: 24px;
    text-align: right;
    background: linear-gradient(252.69deg, #18AB50 1.05%, #C43E82 54.35%, #0CB0D0 99.45%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    line-height: 1.4;
}

.agenda-dot {
    position: absolute;
    left: -21px;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #111;
    border: 2px solid #C43E82;
    box-shadow: 0 0 10px rgba(196, 62, 130, 0.4);
    z-index: 2;
}

.agenda-content {
    font-size: 1.15rem;
    font-weight: 500;
    color: #f3f4f6;
    padding-top: 1px;
    line-height: 1.5;
}

@media (max-width: 600px) {
    .agenda-timeline {
        padding-left: 12px;
    }

    .agenda-item {
        margin-bottom: 24px;
    }

    .agenda-time {
        flex: 0 0 100px;
        font-size: 1rem;
        padding-right: 16px;
    }

    .agenda-content {
        font-size: 1rem;
    }

    .agenda-day-title {
        font-size: 1.6rem;
    }

    .agenda-dot {
        left: -14px;
    }
}