/* ============================================================
   Material Data Section
   ============================================================ */

/* ── Section shell ─────────────────────────────────────────── */
.mat-section {
    position: relative;
    background: #ffffff;
    padding: 5rem 0 6rem;
    overflow: hidden;
}

/* ── Section header ────────────────────────────────────────── */
.mat-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 3rem;
}

.mat-heading {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    color: #0f172a;
    margin: 0.25rem 0 0;
}

.mat-heading-accent {
    display: block;
    color: #f97316;
}

.mat-intro {
    max-width: 36rem;
    font-size: 0.9rem;
    line-height: 1.7;
    color: #475569;
    margin: 0;
    flex-shrink: 0;
    padding-top: 2.5rem;
}

/* ── Tab selector row ──────────────────────────────────────── */
.mat-tabs-wrap {
    margin-bottom: 2rem;
    overflow: hidden;
}

.mat-tabs {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.mat-tabs::-webkit-scrollbar {
    display: none;
}

.mat-tab {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(15,23,42,0.1);
    border-radius: 0.5rem;
    cursor: pointer;
    text-align: left;
    white-space: nowrap;
    flex-shrink: 0;
    transition: background 0.2s, border-color 0.2s, transform 0.15s;
    overflow: hidden;
}

.mat-tab:hover {
    background: #ffffff;
    border-color: rgba(var(--mat-accent, 249, 115, 22), 0.3);
    transform: translateY(-1px);
}

.mat-tab[aria-selected="true"] {
    background: #ffffff;
    border-color: var(--mat-accent, #f97316);
    box-shadow: 0 0 0 1px var(--mat-accent, #f97316) inset, 0 4px 20px rgba(0, 0, 0, 0.06);
}

/* Bottom indicator bar */
.mat-tab-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--mat-accent, #f97316);
    border-radius: 0 0 2px 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.mat-tab[aria-selected="true"] .mat-tab-bar {
    transform: scaleX(1);
}

/* Colour swatch dot */
.mat-tab-swatch {
    display: block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(15,23,42,0.1);
}

/* Tab text stack */
.mat-tab-texts {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.mat-tab-short {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1;
    color: #0f172a;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.mat-tab[aria-selected="true"] .mat-tab-short {
    color: var(--mat-accent, #f97316);
}

.mat-tab-name {
    font-size: 0.7rem;
    font-weight: 500;
    color: #475569;
    line-height: 1.2;
}

.mat-tab[aria-selected="true"] .mat-tab-name {
    color: #475569;
}

.mat-tab-badge {
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--mat-accent, #f97316);
    opacity: 0;
    transition: opacity 0.2s;
}

.mat-tab[aria-selected="true"] .mat-tab-badge {
    opacity: 1;
}

/* ── Data panels ───────────────────────────────────────────── */
.mat-panels {
    position: relative;
}

/* [hidden] already collapses panels; add animation on show */
.mat-panel {
    background: rgba(255,255,255,0.98);
    border: 1px solid rgba(15,23,42,0.1);
    border-left: 3px solid var(--mat-accent, #f97316);
    border-radius: 0.75rem;
    overflow: hidden;
    animation: matPanelIn 0.3s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes matPanelIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0);   }
}

/* ── Panel head strip ──────────────────────────────────────── */
.mat-panel-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.5rem 1.75rem;
    background: rgba(15,23,42,0.03);
    border-bottom: 1px solid rgba(15,23,42,0.08);
    flex-wrap: wrap;
}

.mat-panel-head-left {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    flex: 1;
    min-width: 0;
}

.mat-panel-swatch {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    flex-shrink: 0;
    margin-top: 2px;
    box-shadow: 0 0 0 1px rgba(15,23,42,0.1);
}

.mat-panel-name {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #0f172a;
    margin: 0 0 0.25rem;
}

.mat-panel-summary {
    font-size: 0.82rem;
    line-height: 1.6;
    color: #475569;
    margin: 0;
    max-width: 56rem;
}

/* Cert chips area */
.mat-panel-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: flex-start;
    flex-shrink: 0;
}

.mat-panel-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.2rem 0.6rem;
    background: var(--mat-accent, #f97316);
    color: #ffffff;
    border-radius: 999px;
}

.mat-cert-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 0.2rem 0.6rem;
    color: var(--mat-accent, #f97316);
    background: rgba(15,23,42,0.04);
    border: 1px solid rgba(15,23,42,0.12);
    border-radius: 999px;
}

/* ── Panel body: 3-column grid ─────────────────────────────── */
.mat-panel-body {
    display: grid;
    grid-template-columns: 280px 1fr 1fr;
    gap: 0;
}

/* Dividers between columns */
.mat-callouts,
.mat-properties,
.mat-apps {
    padding: 1.75rem;
    border-right: 1px solid rgba(15,23,42,0.08);
}

.mat-apps {
    border-right: none;
}

/* Column heading */
.mat-col-label {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #475569;
    margin: 0 0 1rem;
}

/* ── Callout numbers grid ──────────────────────────────────── */
.mat-callout-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.mat-callout {
    background: rgba(15,23,42,0.03);
    border: 1px solid rgba(15,23,42,0.08);
    border-radius: 0.5rem;
    padding: 0.875rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    transition: border-color 0.2s;
}

.mat-callout:hover {
    border-color: rgba(var(--mat-accent, 249, 115, 22), 0.25);
}

.mat-callout-icon {
    color: var(--mat-accent, #f97316);
    margin-bottom: 0.25rem;
    opacity: 0.8;
}

.mat-callout-value {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1;
    letter-spacing: -0.01em;
}

.mat-callout-unit {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--mat-accent, #f97316);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1;
}

.mat-callout-label {
    font-size: 0.7rem;
    color: #475569;
    margin-top: 0.1rem;
    line-height: 1.3;
}

/* ── Property table ────────────────────────────────────────── */
.mat-prop-table {
    width: 100%;
    border-collapse: collapse;
}

.mat-prop-row {
    border-bottom: 1px solid rgba(15,23,42,0.08);
}

.mat-prop-row:last-child {
    border-bottom: none;
}

.mat-prop-name {
    font-size: 0.78rem;
    color: #475569;
    padding: 0.5rem 0.75rem 0.5rem 0;
    width: 45%;
    vertical-align: middle;
}

.mat-prop-val {
    font-size: 0.78rem;
    font-weight: 500;
    color: #334155;
    padding: 0.5rem 0;
    vertical-align: middle;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.mat-prop-tick {
    flex-shrink: 0;
    stroke-width: 2.5;
}

.mat-tick-yes {
    color: #22c55e;
    stroke: #22c55e;
}

.mat-tick-no {
    color: #ef4444;
    stroke: #ef4444;
}

.mat-tick-partial {
    color: #f59e0b;
    stroke: #f59e0b;
}

/* ── Applications list ─────────────────────────────────────── */
.mat-app-list {
    list-style: none;
    margin: 0 0 1.5rem;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mat-app-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.82rem;
    color: #475569;
    line-height: 1.4;
    padding: 0.35rem 0;
    border-bottom: 1px solid rgba(15,23,42,0.06);
    transition: color 0.15s;
}

.mat-app-item:last-child {
    border-bottom: none;
}

.mat-app-item:hover {
    color: #1e293b;
}

.mat-app-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Application CTA */
.mat-app-cta {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: auto;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(15,23,42,0.08);
}

.mat-app-link {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--mat-accent, #f97316);
    text-decoration: none;
    transition: opacity 0.15s;
}

.mat-app-link:hover {
    opacity: 0.75;
}

/* ── section-label (shared) ────────────────────────────────── */
.mat-section .section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: #f97316;
    margin-bottom: 0.5rem;
}

.mat-section .section-label::before {
    content: '';
    display: block;
    width: 2rem;
    height: 2px;
    background: #f97316;
    border-radius: 1px;
}

/* ── btn-sm helper ─────────────────────────────────────────── */
.btn-sm {
    padding: 0.55rem 1rem;
    font-size: 0.78rem;
    gap: 0.4rem;
}

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

/* 1024px — collapse to 2 columns in panel body */
@media (max-width: 1023px) {
    .mat-panel-body {
        grid-template-columns: 1fr 1fr;
    }

    .mat-callouts {
        grid-column: 1 / -1;
        border-right: none;
        border-bottom: 1px solid rgba(15,23,42,0.08);
    }

    .mat-callout-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .mat-properties {
        border-right: 1px solid rgba(15,23,42,0.08);
    }
}

/* 768px — full mobile stack */
@media (max-width: 767px) {
    .mat-section {
        padding: 3.5rem 0 4rem;
    }

    .mat-header {
        flex-direction: column;
        gap: 0.75rem;
    }

    .mat-intro {
        padding-top: 0;
        max-width: 100%;
    }

    .mat-panel-body {
        grid-template-columns: 1fr;
    }

    .mat-callouts,
    .mat-properties {
        border-right: none;
        border-bottom: 1px solid rgba(15,23,42,0.08);
    }

    .mat-callout-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .mat-panel-head {
        flex-direction: column;
        gap: 1rem;
    }

    .mat-panel-badges {
        width: 100%;
    }

    /* Tablecell layout fix on small screens */
    .mat-prop-val {
        display: table-cell;
    }
}

/* 480px — tab row reflow */
@media (max-width: 479px) {
    .mat-tabs {
        gap: 0.5rem;
    }

    .mat-tab {
        padding: 0.75rem 1rem;
    }

    .mat-callout-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ── Reduced motion ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .mat-panel {
        animation: none;
    }

    .mat-tab,
    .mat-tab-bar,
    .mat-callout,
    .mat-app-item {
        transition: none;
    }
}