/* === essence.css === */

.essence-section {
    background: #edf2f2;
    padding: 60px 0 0;
    padding-top: 36px;
}

.essence-heading {
    font-size: 36px;
    font-weight: 700;
    color: #074158;
    text-align: center;
    padding: 0 24px 40px;
    margin: 0;
    line-height: 36px;
    padding-bottom: 30px;
}

/* ── Grid: 4 equal columns, NO flex change on hover ─────── */
.essence-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    width: 100%;
    height: 420px;
    background-image: url("/images/home/essence/all-panels.png");
    background-size: cover;
    background-position: center;
    background-color: #0d2d3d;
}

/* Hide individual panel images since bg handles it */
.essence-face--img img {
    display: none;
}

.essence-face--img {
    background: transparent; /* let grid bg show through */
}

/* ── Panel ───────────────────────────────────────────────── */
.essence-panel {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

/* ── IMAGE FACE — default state, always fills panel ─────── */
.essence-face--img {
    position: absolute;
    inset: 0;
    z-index: 1;
    transition: opacity 0.35s ease;
    background: #0d2d3d; /* fallback */
}

.essence-face--img img {
    width: 100%;
    height: 117%;
    object-fit: contain; /* show full illustration, no crop */
    object-position: center top; /* anchor to top so figures aren't cut */
    background: #0d2d3d;
    display: block;
    margin-top: -4px;
}

.essence-img-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 40, 55, 0.45);
}

/* Teal label bar at bottom */
.essence-img-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: #26c8b8;
    color: #f2f2f2;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    padding: 18px 12px;
    letter-spacing: 0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    z-index: 2;
}

/* ── TEXT FACE — shown only while hovering ──────────────── */
.essence-face--text {
    position: absolute;
    inset: 0;
    background: rgba(74, 122, 138, 0.78);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 32px;
    z-index: 3;
    /* Starts below, slides up on hover */
    transform: translateY(100%);
    opacity: 0;
    pointer-events: none;
    transition:
        transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        opacity 0.2s ease;
}

/* Slide up into view on hover */
.essence-panel:hover .essence-face--text {
    transform: translateY(0%);
    opacity: 1;
    pointer-events: all;
}

/* Hide image face on hover */
.essence-panel:hover .essence-face--img {
    opacity: 0.5;
    transition: opacity 0.3s ease 0.1s;
}

/* ── Text content ─────────── */
.essence-text-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 0;
    width: 100%;
    height: 100%;
    text-align: center;
}

.essence-label-text {
    font-size: 2rem;
    font-weight: 800;
    color: #f2f2f2;
    margin: 0;
    padding-top: 32px;
    align-self: center;
}

.essence-icon {
    display: none;
}

.essence-icon svg {
    width: 100%;
    height: 100%;
}

/* Bottom group: desc + button pinned to bottom */
.essence-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding-bottom: 32px;
    width: 100%;
}

.essence-desc {
    font-size: 0.98rem;
    line-height: 1.78;
    color: rgba(255, 255, 255, 0.88);
    margin: 0;
}

.essence-btn {
    display: inline-block;
    margin-top: 0;
    background: #f2f2f2;
    color: #021c25;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 10px 24px;
    border-radius: 40px;
    text-decoration: none;
    border: none;
    transition:
        background 0.2s,
        border-color 0.2s;
}

.essence-btn:hover {
    background: #507989;
    border-color: #f2f2f2;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
    .essence-grid {
        height: 420px;
    }
    .essence-desc {
        font-size: 0.78rem;
    }
}

@media (max-width: 640px) {
    .essence-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 1fr 1fr;
        height: 700px;
    }
}

@media (max-width: 420px) {
    .essence-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, 1fr);
        height: auto;
    }
    .essence-panel {
        height: 240px;
    }
}