/* ==========================================================================
   Case Studies Explorer
   ========================================================================== */

/* Override Divi .container max-width */
.sd-explorer-page .container {
    max-width: 100% !important;
    width: 100% !important;
    padding: 0 !important;
}

.sd-explorer {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--sd-space-8) var(--sd-space-6) var(--sd-space-16);
}

/* ── Hero (flat green, consistent with the rest of the site) ─ */

.sd-explorer__hero {
    background: var(--sd-color-primary, #36452f);
    /* top padding clears the fixed nav, like the other heroes */
    padding: clamp(6.5rem, 11vw, 9rem) var(--sd-space-6) clamp(2.5rem, 5vw, 3.5rem);
}

.sd-explorer__hero-inner {
    max-width: 1400px;
    margin-inline: auto;
}

.sd-explorer__overline {
    display: inline-block;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--sd-color-cta-hover, #8db35a);
    margin-bottom: 1rem;
}

.sd-explorer__title {
    font-size: clamp(2.25rem, 5vw, 4rem); /* unified hero title scale */
    color: #ffffff;
    margin: 0 0 var(--sd-space-4);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.sd-explorer__intro {
    font-size: var(--sd-font-size-base);
    color: rgba(255, 255, 255, 0.82);
    line-height: var(--sd-line-height-relaxed);
    max-width: 720px;
}

.sd-explorer__intro p:last-child {
    margin-bottom: 0;
}

/* ── Filters (2026-09-25 redesign) ───────────────────────
   Quick-pick chips for what visitors look for (same pill language as the
   Buildings near you map), a tray of sub-options under the picked chip, then a
   slim refine row. See template-parts/shared/explorer-grid.php. */

.sd-explorer__filters {
    display: flex;
    flex-direction: column;
    gap: var(--sd-space-5);
    padding: var(--sd-space-6) 0 var(--sd-space-5);
    border-bottom: 1px solid var(--sd-color-gray-200);
}

/* display:flex would otherwise beat the hidden attribute. */
.sd-explorer__tray[hidden],
.sd-explorer__leafchips[hidden],
.sd-explorer__filter-item[hidden],
.sd-explorer__summary[hidden],
.sd-explorer__refine-badge[hidden] {
    display: none !important;
}

.sd-explorer__picks {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sd-explorer__picks .sd-explorer__filter-label {
    margin: 0;
}

.sd-explorer__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.sd-explorer__chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    min-height: 44px;
    padding: 0 1.1rem;
    border: 1px solid var(--sd-color-gray-300);
    border-radius: var(--sd-radius-full);
    background: var(--sd-color-white);
    color: var(--sd-color-gray-700);
    font-family: 'Outfit', var(--sd-font-family-primary);
    font-size: 0.9375rem;
    font-weight: var(--sd-font-weight-semibold);
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

.sd-explorer__chip:hover {
    border-color: var(--sd-color-cta);
    color: var(--sd-color-primary);
}

.sd-explorer__chip[aria-pressed="true"] {
    background: var(--sd-color-primary-dark);
    border-color: var(--sd-color-primary-dark);
    color: var(--sd-color-white);
}

.sd-explorer__chip:focus-visible,
.sd-explorer__subchip:focus-visible,
.sd-explorer__token:focus-visible,
.sd-explorer__refine-toggle:focus-visible,
.sd-explorer__toggle input:focus-visible + span {
    outline: 2px solid var(--sd-color-cta);
    outline-offset: 2px;
}

.sd-explorer__chip-caret {
    opacity: 0.6;
    transition: transform 200ms ease, opacity 200ms ease;
}

.sd-explorer__chip[aria-expanded="true"] .sd-explorer__chip-caret {
    transform: rotate(180deg);
    opacity: 1;
}

/* The picked chip's tray: a product row and, under a product with variants,
   a quieter leaf row divided off beneath it, so depth reads as depth. */
.sd-explorer__tray {
    display: flex;
    flex-direction: column;
    width: fit-content;
    max-width: 100%;
    padding: 0.375rem;
    border-radius: 8px;
    background: rgba(54, 69, 47, 0.06);
    animation: sd-explorer-tray-in 180ms ease-out;
}

@keyframes sd-explorer-tray-in {
    from { opacity: 0; transform: translateY(-4px); }
}

.sd-explorer__subchips,
.sd-explorer__leafchips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.sd-explorer__leafchips {
    margin-top: 0.375rem;
    padding-top: 0.375rem;
    border-top: 1px solid rgba(54, 69, 47, 0.12);
    animation: sd-explorer-tray-in 180ms ease-out;
}

.sd-explorer__subchip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    min-height: 38px;
    padding: 0 0.95rem;
    border: 1px solid transparent;
    border-radius: var(--sd-radius-full);
    background: transparent;
    color: var(--sd-color-gray-700);
    font-family: 'Outfit', var(--sd-font-family-primary);
    font-size: var(--sd-font-size-sm);
    font-weight: var(--sd-font-weight-medium);
    white-space: nowrap;
    cursor: pointer;
    transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

.sd-explorer__subchip:hover {
    background: var(--sd-color-white);
    color: var(--sd-color-primary);
}

.sd-explorer__subchip[aria-pressed="true"] {
    background: var(--sd-color-white);
    border-color: var(--sd-color-primary);
    color: var(--sd-color-primary);
    font-weight: var(--sd-font-weight-semibold);
    box-shadow: 0 1px 2px rgba(23, 23, 23, 0.06);
}

.sd-explorer__subchip[aria-expanded="true"] .sd-explorer__chip-caret {
    transform: rotate(180deg);
    opacity: 1;
}

.sd-explorer__subchip--leaf {
    min-height: 34px;
    padding: 0 0.8rem;
    font-size: 0.8125rem;
}

/* Refine row: school type, cost, size, media toggles; sort on the right. */
.sd-explorer__refine-bar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--sd-space-4);
}

.sd-explorer__refine {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: var(--sd-space-4);
}

.sd-explorer__refine-toggle {
    display: none; /* mobile only */
}

.sd-explorer__toggles {
    display: flex;
    gap: 0.5rem;
}

.sd-explorer__toggle {
    position: relative;
    display: inline-flex;
}

.sd-explorer__toggle input {
    position: absolute;
    opacity: 0;
    inset: 0;
    margin: 0;
    cursor: pointer;
}

.sd-explorer__toggle span {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 44px;
    padding: 0 1rem 0 0.8rem;
    border: 1px solid var(--sd-color-gray-200);
    border-radius: var(--sd-radius-full);
    background: var(--sd-color-white);
    color: var(--sd-color-text);
    font-size: var(--sd-font-size-sm);
    font-weight: var(--sd-font-weight-medium);
    white-space: nowrap;
    transition: border-color 150ms ease, background-color 150ms ease, color 150ms ease;
}

.sd-explorer__toggle span::before {
    content: '';
    width: 16px;
    height: 16px;
    flex: none;
    border: 1.5px solid var(--sd-color-gray-300);
    border-radius: 50%;
    transition: background-color 150ms ease, border-color 150ms ease;
}

.sd-explorer__toggle:hover span {
    border-color: var(--sd-color-gray-400);
}

.sd-explorer__toggle input:checked + span {
    border-color: var(--sd-color-primary);
    background: rgba(54, 69, 47, 0.06);
    color: var(--sd-color-primary);
    font-weight: var(--sd-font-weight-semibold);
}

.sd-explorer__toggle input:checked + span::before {
    border-color: var(--sd-color-primary);
    background: var(--sd-color-primary) url("data:image/svg+xml,%3Csvg width='10' height='8' viewBox='0 0 10 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 4l2.5 2.5L9 1' stroke='white' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 10px 8px no-repeat;
}

/* Active filters */
.sd-explorer__summary {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

.sd-explorer__summary-label {
    font-size: 0.6875rem;
    font-weight: var(--sd-font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sd-color-gray-400);
    margin-right: 0.25rem;
}

.sd-explorer__tokens {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.sd-explorer__token {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.4rem 0.35rem 0.8rem;
    border: 0;
    border-radius: var(--sd-radius-full);
    background: rgba(54, 69, 47, 0.08);
    color: var(--sd-color-primary);
    font-family: 'Outfit', var(--sd-font-family-primary);
    font-size: 0.8125rem;
    font-weight: var(--sd-font-weight-semibold);
    cursor: pointer;
}

.sd-explorer__token-x {
    display: inline-grid;
    place-items: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(54, 69, 47, 0.12);
    font-size: 0.875rem;
    line-height: 1;
    transition: background-color 150ms ease, color 150ms ease;
}

.sd-explorer__token:hover .sd-explorer__token-x {
    background: var(--sd-color-primary);
    color: var(--sd-color-white);
}

@media (prefers-reduced-motion: reduce) {
    .sd-explorer__tray,
    .sd-explorer__leafchips {
        animation: none;
    }
}

.sd-explorer__filter-item {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.sd-explorer__filter-label {
    font-size: 0.6875rem;
    font-weight: var(--sd-font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sd-color-gray-400);
}

.sd-explorer__filter-select {
    height: 44px;
    padding: 0 2.5rem 0 0.875rem;
    border: 1px solid var(--sd-color-gray-200);
    border-radius: 0.25rem;
    font-size: var(--sd-font-size-sm);
    font-family: 'Outfit', var(--sd-font-family-primary);
    color: var(--sd-color-text);
    background-color: var(--sd-color-white);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23a3a3a3' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    transition: border-color 150ms ease, box-shadow 150ms ease;
    white-space: nowrap;
}

.sd-explorer__filter-select:hover {
    border-color: var(--sd-color-gray-400);
}

.sd-explorer__filter-select:focus {
    border-color: var(--sd-color-primary);
    box-shadow: 0 0 0 3px rgba(54, 69, 47, 0.08);
    outline: none;
}

.sd-explorer__filter-select:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.sd-explorer__filter-select--active {
    border-color: var(--sd-color-primary);
    color: var(--sd-color-primary);
    font-weight: var(--sd-font-weight-medium);
}

/* ── Count (hidden: client decision 2026-07-02) ───────────── */

.sd-explorer__count {
    font-size: var(--sd-font-size-sm);
    color: var(--sd-color-text-light);
    white-space: nowrap;
    /* Client request 2026-07-02: don't reveal how many projects are in the
       curated set. Markup + JS still maintain the figures, so removing this
       line brings the counter straight back. */
    display: none;
}

.sd-explorer__count strong {
    color: var(--sd-color-text);
    font-weight: var(--sd-font-weight-semibold);
}

.sd-explorer__clear-filters {
    padding: 0.375rem 0.875rem;
    background: none;
    border: 1px solid var(--sd-color-gray-200);
    border-radius: var(--sd-radius-full);
    font-size: var(--sd-font-size-xs);
    font-weight: var(--sd-font-weight-medium);
    color: var(--sd-color-text-light);
    cursor: pointer;
    transition: all 150ms ease;
    font-family: 'Outfit', var(--sd-font-family-primary);
    white-space: nowrap;
}

.sd-explorer__clear-filters:hover {
    border-color: var(--sd-color-error);
    color: var(--sd-color-error);
}

/* ── Grid ───────────────────────────────────────────────── */

.sd-explorer__body {
    padding-top: var(--sd-space-8);
}

.sd-explorer__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sd-space-6);
    transition: opacity 200ms ease;
}

.sd-explorer__grid--loading {
    opacity: 0.4;
    pointer-events: none;
}

@media (max-width: 900px) {
    .sd-explorer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 599px) {
    .sd-explorer__grid {
        grid-template-columns: 1fr;
    }
}

/* Card overrides for grid context */
.sd-explorer__grid .sd-featured-case-studies__card {
    display: flex;
    flex-direction: column;
    animation: sd-explorer-fade-in 0.3s ease-out both;
}

.sd-explorer__grid .sd-featured-case-studies__card-image {
    aspect-ratio: 3 / 2;
    overflow: hidden;
}

.sd-explorer__grid .sd-featured-case-studies__card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    margin: 0 !important;
}

.sd-explorer__grid .sd-featured-case-studies__card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.sd-explorer__grid .sd-featured-case-studies__card-excerpt {
    flex: 1;
}

/* Staggered entrance */
.sd-explorer__grid .sd-featured-case-studies__card:nth-child(1)  { animation-delay: 0ms; }
.sd-explorer__grid .sd-featured-case-studies__card:nth-child(2)  { animation-delay: 50ms; }
.sd-explorer__grid .sd-featured-case-studies__card:nth-child(3)  { animation-delay: 100ms; }
.sd-explorer__grid .sd-featured-case-studies__card:nth-child(4)  { animation-delay: 150ms; }
.sd-explorer__grid .sd-featured-case-studies__card:nth-child(5)  { animation-delay: 200ms; }
.sd-explorer__grid .sd-featured-case-studies__card:nth-child(6)  { animation-delay: 250ms; }
.sd-explorer__grid .sd-featured-case-studies__card:nth-child(7)  { animation-delay: 300ms; }
.sd-explorer__grid .sd-featured-case-studies__card:nth-child(8)  { animation-delay: 350ms; }
.sd-explorer__grid .sd-featured-case-studies__card:nth-child(9)  { animation-delay: 400ms; }
.sd-explorer__grid .sd-featured-case-studies__card:nth-child(10) { animation-delay: 450ms; }
.sd-explorer__grid .sd-featured-case-studies__card:nth-child(11) { animation-delay: 500ms; }
.sd-explorer__grid .sd-featured-case-studies__card:nth-child(12) { animation-delay: 550ms; }

@keyframes sd-explorer-fade-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Skeleton loaders ───────────────────────────────────── */

.sd-explorer__skeleton {
    border-radius: var(--sd-radius-xl);
    overflow: hidden;
    border: 1px solid var(--sd-color-gray-200);
    background: var(--sd-color-white);
}

.sd-explorer__skeleton-image {
    aspect-ratio: 3 / 2;
    background: var(--sd-color-gray-100);
    animation: sd-skeleton-pulse 1.5s ease-in-out infinite;
}

.sd-explorer__skeleton-content {
    padding: var(--sd-space-6);
}

.sd-explorer__skeleton-badge,
.sd-explorer__skeleton-title,
.sd-explorer__skeleton-text {
    height: 12px;
    background: var(--sd-color-gray-100);
    border-radius: var(--sd-radius-base);
    animation: sd-skeleton-pulse 1.5s ease-in-out infinite;
    margin-bottom: var(--sd-space-3);
}

.sd-explorer__skeleton-badge {
    width: 35%;
    height: 10px;
}

.sd-explorer__skeleton-title {
    width: 80%;
    height: 16px;
    margin-bottom: var(--sd-space-4);
}

.sd-explorer__skeleton-text {
    width: 100%;
}

.sd-explorer__skeleton-text--short {
    width: 60%;
}

@keyframes sd-skeleton-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ── Pagination ─────────────────────────────────────────── */

.sd-explorer__pagination {
    margin-top: var(--sd-space-8);
}

.sd-explorer__page-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--sd-space-1);
    flex-wrap: wrap;
}

.sd-explorer__page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--sd-space-2);
    border: 1px solid var(--sd-color-gray-200);
    border-radius: var(--sd-radius-lg);
    font-size: var(--sd-font-size-sm);
    color: var(--sd-color-text);
    text-decoration: none;
    cursor: pointer;
    transition: all 150ms ease;
}

.sd-explorer__page-link:hover {
    border-color: var(--sd-color-primary);
    color: var(--sd-color-primary);
    text-decoration: none;
}

.sd-explorer__page-link--prev,
.sd-explorer__page-link--next {
    padding: 0 var(--sd-space-3);
    font-size: var(--sd-font-size-xs);
    font-weight: var(--sd-font-weight-medium);
}

.sd-explorer__page-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    font-size: var(--sd-font-size-sm);
    color: var(--sd-color-gray-400);
    cursor: default;
    user-select: none;
}

.sd-explorer__page-link--current {
    background: var(--sd-color-primary);
    border-color: var(--sd-color-primary);
    color: var(--sd-color-white);
    font-weight: var(--sd-font-weight-semibold);
    cursor: default;
}

/* ── Empty state ────────────────────────────────────────── */

.sd-explorer__empty {
    text-align: center;
    padding: var(--sd-space-16) var(--sd-space-6);
    color: var(--sd-color-text-light);
}

.sd-explorer__empty svg {
    margin-bottom: var(--sd-space-4);
    color: var(--sd-color-gray-300);
}

.sd-explorer__empty h3 {
    font-size: var(--sd-font-size-xl);
    font-weight: var(--sd-font-weight-semibold);
    color: var(--sd-color-text);
    margin: 0 0 var(--sd-space-2);
}

.sd-explorer__empty p {
    font-size: var(--sd-font-size-base);
    margin: 0 0 var(--sd-space-6);
}

.sd-explorer__empty-clear {
    display: inline-block;
    padding: var(--sd-space-2) var(--sd-space-6);
    background: none;
    border: 1px solid var(--sd-color-primary);
    border-radius: var(--sd-radius-lg);
    font-size: var(--sd-font-size-sm);
    font-weight: var(--sd-font-weight-medium);
    color: var(--sd-color-primary);
    cursor: pointer;
    transition: all 150ms ease;
    font-family: 'Outfit', var(--sd-font-family-primary);
}

.sd-explorer__empty-clear:hover {
    background: var(--sd-color-primary);
    color: var(--sd-color-white);
}

/* ── Responsive ─────────────────────────────────────────── */

@media (max-width: 767px) {
    .sd-explorer {
        padding: 0 var(--sd-space-4);
    }

    /* Chips and tray rows scroll sideways instead of wrapping into a wall. */
    .sd-explorer__chips,
    .sd-explorer__subchips,
    .sd-explorer__leafchips {
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }

    .sd-explorer__chips::-webkit-scrollbar,
    .sd-explorer__subchips::-webkit-scrollbar,
    .sd-explorer__leafchips::-webkit-scrollbar {
        display: none;
    }

    .sd-explorer__chips {
        margin-inline: calc(var(--sd-space-4) * -1);
        padding-inline: var(--sd-space-4);
        scroll-padding-inline: var(--sd-space-4);
    }

    .sd-explorer__chip,
    .sd-explorer__subchip {
        flex: none;
    }

    .sd-explorer__tray {
        width: auto;
    }

    /* "More filters" button + sort on one row; the refine panel opens below. */
    .sd-explorer__refine-bar {
        flex-wrap: wrap;
        align-items: center;
    }

    .sd-explorer__refine-toggle {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        min-height: 44px;
        padding: 0 1rem;
        border: 1px solid var(--sd-color-gray-300);
        border-radius: var(--sd-radius-full);
        background: var(--sd-color-white);
        color: var(--sd-color-text);
        font-family: 'Outfit', var(--sd-font-family-primary);
        font-size: var(--sd-font-size-sm);
        font-weight: var(--sd-font-weight-semibold);
        cursor: pointer;
    }

    .sd-explorer__refine-toggle[aria-expanded="true"] {
        border-color: var(--sd-color-primary);
        color: var(--sd-color-primary);
    }

    .sd-explorer__refine-badge {
        display: inline-grid;
        place-items: center;
        min-width: 20px;
        height: 20px;
        padding: 0 0.3rem;
        border-radius: var(--sd-radius-full);
        background: var(--sd-color-primary);
        color: var(--sd-color-white);
        font-size: 0.75rem;
    }

    .sd-explorer__refine {
        display: none;
        order: 3;
        width: 100%;
    }

    .sd-explorer__refine.is-open {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--sd-space-3);
        align-items: end;
    }

    .sd-explorer__refine .sd-explorer__toggles {
        grid-column: 1 / -1;
    }

    .sd-explorer__filter-item {
        min-width: 0;
    }

    .sd-explorer__filter-select {
        width: 100%;
        min-width: 0;
        padding-right: 2rem;
        text-overflow: ellipsis;
    }

    .sd-explorer__filter-item--sort {
        flex-direction: row;
        align-items: center;
    }

    .sd-explorer__filter-item--sort .sd-explorer__filter-label {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0 0 0 0);
        white-space: nowrap;
    }

    .sd-explorer {
        padding: var(--sd-space-6) var(--sd-space-4) var(--sd-space-12);
    }

    .sd-explorer__body {
        padding-top: var(--sd-space-6);
    }
}

/* ── One page grid (2026-09-27): every template starts its content at the
   same edge as the logo: max var(--sd-container-max) with var(--sd-gutter)
   (20px phones → 56px desktop). ── */
.sd-explorer {
    max-width: var(--sd-container-max, 1440px);
    padding-inline: var(--sd-gutter);
    box-sizing: border-box;
}