/* ==========================================================================
   category.css — Premium category-hub layout.
   Loaded only on archive / post-type-archive / search pages.
   Tokens come from base.css.
   ========================================================================== */

.sb-cat > section { padding: clamp(3rem, 6vw, 5rem) 0; }
.sb-cat > .sb-cat-hero { padding-top: clamp(3rem, 5vw, 4.5rem); padding-bottom: clamp(3rem, 6vw, 5rem); }


/* ╔══════════════════════════════════════════════════════════════════════╗
   ║  HERO                                                                  ║
   ╚══════════════════════════════════════════════════════════════════════╝ */
.sb-cat-hero { position: relative; isolation: isolate; overflow: hidden; }
.sb-cat-hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(circle at 92% 10%, rgba(13, 124, 124, 0.08), transparent 50%),
        radial-gradient(circle at 0% 100%, rgba(27, 58, 92, 0.05), transparent 45%),
        linear-gradient(180deg, #F7FAFD 0%, #FFFFFF 100%);
}
.sb-cat-hero__bg::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(27, 58, 92, 0.06) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: radial-gradient(ellipse at top right, black 10%, transparent 65%);
    -webkit-mask-image: radial-gradient(ellipse at top right, black 10%, transparent 65%);
    opacity: 0.6;
}

.sb-cat-hero__grid {
    display: grid;
    gap: var(--space-10);
    grid-template-columns: 1fr;
    align-items: start;
}
@media (min-width: 1024px) {
    .sb-cat-hero__grid {
        grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
        gap: var(--space-12);
        align-items: stretch;
    }
}

.sb-cat-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-teal);
    background: rgba(13, 124, 124, 0.08);
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    border: 1px solid rgba(13, 124, 124, 0.18);
    margin-bottom: var(--space-5);
}
.sb-cat-hero__eyebrow-dot {
    width: 7px;
    height: 7px;
    background: var(--color-teal);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(13, 124, 124, 0.18);
}

.sb-cat-hero__title {
    font-size: clamp(2rem, 4.4vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.022em;
    margin: 0 0 var(--space-4);
    color: var(--color-navy);
}
.sb-cat-hero__deck {
    font-family: var(--font-serif);
    font-size: clamp(1.05rem, 1.4vw, 1.2rem);
    line-height: var(--leading-snug);
    color: var(--color-text-mute);
    margin: 0 0 var(--space-5);
    max-width: 38rem;
}
.sb-cat-hero__trust {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--color-text-mute);
    background: var(--color-light-bg);
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-green);
    margin: 0 0 var(--space-6);
}
.sb-cat-hero__trust svg { color: var(--color-green); }
.sb-cat-hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}


/* ── Summary card ─────────────────────────────────────────────────────── */
.sb-cat-summary {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: 0 12px 24px -16px rgba(27, 58, 92, 0.18);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.sb-cat-summary__eyebrow {
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: var(--weight-bold);
    letter-spacing: 0.14em;
    color: var(--color-gray);
    margin: 0 0 var(--space-4);
}
.sb-cat-summary__row {
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}
.sb-cat-summary__row:last-child { padding-bottom: 0; margin-bottom: 0; border-bottom: 0; }
.sb-cat-summary__label {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: var(--weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-navy);
    margin-bottom: var(--space-2);
}
.sb-cat-summary__list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-family: var(--font-serif);
    font-size: var(--text-sm);
    color: var(--color-text);
}
.sb-cat-summary__list li {
    margin-bottom: 0.35rem;
    padding-left: 1.1rem;
    position: relative;
}
.sb-cat-summary__list li::before {
    content: "·";
    position: absolute;
    left: 0;
    color: var(--color-teal);
    font-weight: var(--weight-bold);
    font-size: 1.1em;
    line-height: 1;
}
.sb-cat-summary__list--q li::before { content: "?"; font-family: var(--font-sans); font-size: 0.8em; top: 0.05rem; }
.sb-cat-summary__first-read {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-teal);
    text-decoration: none;
}
.sb-cat-summary__first-read:hover { color: var(--color-navy); text-decoration: underline; }
.sb-cat-summary__time {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--color-text);
    font-weight: var(--weight-medium);
}
.sb-cat-summary__time svg { color: var(--color-amber); }


/* ╔══════════════════════════════════════════════════════════════════════╗
   ║  QUICK DECISION PANEL                                                  ║
   ╚══════════════════════════════════════════════════════════════════════╝ */
.sb-cat-decisions { background: var(--color-white); }
.sb-cat-decisions__grid {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: 1fr;
}
@media (min-width: 600px)  { .sb-cat-decisions__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .sb-cat-decisions__grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); } }

.sb-cat-decision-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    background: var(--color-light-bg);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    padding: var(--space-5);
    color: inherit;
    text-decoration: none;
    transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}
.sb-cat-decision-card:hover {
    transform: translateY(-2px);
    background: var(--color-white);
    border-color: rgba(13, 124, 124, 0.35);
    box-shadow: 0 12px 24px -14px rgba(27, 58, 92, 0.18);
    color: inherit;
    text-decoration: none;
}
.sb-cat-decision-card__num {
    position: absolute;
    top: var(--space-3);
    right: var(--space-4);
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: var(--weight-bold);
    letter-spacing: 0.1em;
    color: var(--color-gray);
    opacity: 0.6;
}
.sb-cat-decision-card__title {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: var(--weight-semibold);
    color: var(--color-navy);
    margin: 0;
    letter-spacing: -0.01em;
    line-height: 1.3;
    padding-right: 2rem;
}
.sb-cat-decision-card__sub {
    font-family: var(--font-serif);
    font-size: 0.85rem;
    color: var(--color-text-mute);
    margin: 0;
    flex: 1;
}
.sb-cat-decision-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: var(--weight-semibold);
    color: var(--color-teal);
    margin-top: var(--space-1);
}
.sb-cat-decision-card:hover .sb-cat-decision-card__cta svg { transform: translateX(2px); }
.sb-cat-decision-card__cta svg { transition: transform var(--transition-fast); }


/* ╔══════════════════════════════════════════════════════════════════════╗
   ║  GUIDES: filters + featured + grid                                     ║
   ╚══════════════════════════════════════════════════════════════════════╝ */
.sb-cat-guides { background: linear-gradient(180deg, #F7FAFD, #FFFFFF); }

.sb-cat-filters {
    display: flex;
    gap: var(--space-2);
    margin: 0 0 var(--space-8);
    overflow-x: auto;
    padding-bottom: var(--space-2);
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.sb-cat-filters::-webkit-scrollbar { display: none; }
.sb-cat-filter {
    flex-shrink: 0;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 0.5rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: var(--weight-medium);
    color: var(--color-text-mute);
    cursor: pointer;
    min-height: 36px;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.sb-cat-filter:hover { color: var(--color-navy); border-color: var(--color-navy); }
.sb-cat-filter.is-active {
    background: var(--color-navy);
    color: var(--color-white);
    border-color: var(--color-navy);
}

/* ── Featured card ────────────────────────────────────────────────────── */
.sb-cat-featured {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    margin-bottom: var(--space-8);
}
.sb-cat-featured:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 36px -16px rgba(27, 58, 92, 0.18);
    border-color: rgba(13, 124, 124, 0.3);
}
.sb-cat-featured__link { display: grid; grid-template-columns: 1fr; color: inherit; text-decoration: none; }
.sb-cat-featured__link:hover { color: inherit; text-decoration: none; }
@media (min-width: 768px) { .sb-cat-featured__link { grid-template-columns: 320px 1fr; } }

.sb-cat-featured__visual {
    position: relative;
    background:
        radial-gradient(circle at 20% 0%, rgba(13, 124, 124, 0.18), transparent 60%),
        linear-gradient(135deg, var(--color-navy) 0%, #142B45 100%);
    color: var(--color-white);
    min-height: 220px;
    padding: var(--space-6);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.sb-cat-featured__visual-tag {
    align-self: flex-start;
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: var(--weight-bold);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-amber);
    background: rgba(232, 160, 32, 0.15);
    border: 1px solid rgba(232, 160, 32, 0.3);
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
}
.sb-cat-featured__visual-num {
    font-family: var(--font-sans);
    font-size: clamp(3.5rem, 6vw, 5rem);
    font-weight: var(--weight-bold);
    letter-spacing: -0.04em;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1;
    align-self: flex-end;
}
.sb-cat-featured__visual-pat {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.sb-cat-featured__body { padding: var(--space-6); display: flex; flex-direction: column; justify-content: center; }
.sb-cat-featured__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    color: var(--color-gray);
    margin: 0 0 var(--space-3);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: var(--weight-medium);
}
.sb-cat-featured__badge {
    background: rgba(13, 124, 124, 0.12);
    color: var(--color-teal);
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    font-weight: var(--weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.7rem;
}
.sb-cat-featured__title {
    font-family: var(--font-sans);
    font-size: clamp(1.4rem, 2.4vw, 1.8rem);
    font-weight: var(--weight-bold);
    color: var(--color-navy);
    margin: 0 0 var(--space-3);
    letter-spacing: -0.02em;
    line-height: 1.2;
}
.sb-cat-featured__excerpt {
    font-family: var(--font-serif);
    font-size: var(--text-base);
    color: var(--color-text-mute);
    margin: 0 0 var(--space-4);
    line-height: var(--leading-snug);
}
.sb-cat-featured__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-sans);
    font-weight: var(--weight-semibold);
    color: var(--color-teal);
}
.sb-cat-featured__cta svg { transition: transform var(--transition-fast); }
.sb-cat-featured:hover .sb-cat-featured__cta svg { transform: translateX(3px); }


/* ── Article grid ─────────────────────────────────────────────────────── */
.sb-cat-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
}
@media (min-width: 600px)  { .sb-cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .sb-cat-grid { grid-template-columns: repeat(3, 1fr); } }

.sb-cat-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    height: 100%;
    overflow: hidden;
}
.sb-cat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 28px -14px rgba(27, 58, 92, 0.18);
    border-color: rgba(13, 124, 124, 0.3);
}
.sb-cat-card__link {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-5);
    color: inherit;
    text-decoration: none;
    height: 100%;
}
.sb-cat-card__link:hover { color: inherit; text-decoration: none; }
.sb-cat-card__badge {
    align-self: flex-start;
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: var(--weight-bold);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-teal);
    background: rgba(13, 124, 124, 0.1);
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
}
.sb-cat-card__title {
    font-family: var(--font-sans);
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    color: var(--color-navy);
    margin: var(--space-1) 0 0;
    letter-spacing: -0.01em;
    line-height: 1.25;
}
.sb-cat-card__excerpt {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    color: var(--color-text-mute);
    margin: 0;
    flex: 1;
    line-height: var(--leading-snug);
}
.sb-cat-card__meta {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    display: flex;
    gap: var(--space-2);
    margin: var(--space-1) 0 0;
}
.sb-cat-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: var(--weight-semibold);
    color: var(--color-teal);
    margin-top: var(--space-1);
}
.sb-cat-card__cta svg { transition: transform var(--transition-fast); }
.sb-cat-card:hover .sb-cat-card__cta svg { transform: translateX(2px); }

.sb-cat-empty {
    text-align: center;
    color: var(--color-gray);
    font-style: italic;
    padding: var(--space-12) 0;
}


/* ╔══════════════════════════════════════════════════════════════════════╗
   ║  TOPIC CLUSTERS                                                        ║
   ╚══════════════════════════════════════════════════════════════════════╝ */
.sb-cat-clusters { background: var(--color-white); }
.sb-cat-clusters__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}
@media (min-width: 720px)  { .sb-cat-clusters__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .sb-cat-clusters__grid { grid-template-columns: repeat(3, 1fr); } }

.sb-cat-cluster {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    color: inherit;
    text-decoration: none;
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
}
.sb-cat-cluster::before {
    content: "";
    position: absolute;
    left: 0;
    top: var(--space-5);
    bottom: var(--space-5);
    width: 3px;
    background: var(--color-teal);
    border-radius: 2px;
    opacity: 0.3;
    transition: opacity var(--transition-fast);
}
.sb-cat-cluster:hover {
    transform: translateY(-2px);
    border-color: rgba(13, 124, 124, 0.3);
    box-shadow: 0 12px 24px -14px rgba(27, 58, 92, 0.15);
    color: inherit;
    text-decoration: none;
}
.sb-cat-cluster:hover::before { opacity: 1; }
.sb-cat-cluster__head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-3); }
.sb-cat-cluster__title {
    font-family: var(--font-sans);
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    color: var(--color-navy);
    margin: 0;
    letter-spacing: -0.01em;
    padding-left: var(--space-3);
}
.sb-cat-cluster__count {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    color: var(--color-gray);
    background: var(--color-light-bg);
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    flex-shrink: 0;
}
.sb-cat-cluster__sub {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    color: var(--color-text-mute);
    margin: 0;
    flex: 1;
    padding-left: var(--space-3);
}
.sb-cat-cluster__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: var(--weight-semibold);
    color: var(--color-teal);
    padding-left: var(--space-3);
}
.sb-cat-cluster:hover .sb-cat-cluster__cta svg { transform: translateX(2px); }
.sb-cat-cluster__cta svg { transition: transform var(--transition-fast); }


/* ╔══════════════════════════════════════════════════════════════════════╗
   ║  RECOMMENDED READING ORDER                                             ║
   ╚══════════════════════════════════════════════════════════════════════╝ */
.sb-cat-order { background: linear-gradient(180deg, #FFFFFF, #F7FAFD); }
.sb-cat-order__panel {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: clamp(1.5rem, 4vw, 3rem);
    box-shadow: 0 12px 24px -16px rgba(27, 58, 92, 0.15);
}
.sb-cat-order__head { margin-bottom: var(--space-8); text-align: center; }
.sb-cat-order__title {
    font-size: clamp(1.4rem, 2.6vw, 1.8rem);
    line-height: 1.2;
    margin: var(--space-3) 0 0;
    letter-spacing: -0.02em;
}
.sb-cat-order__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--space-3);
    counter-reset: order;
}
.sb-cat-order__item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-4);
    align-items: center;
    padding: var(--space-4);
    background: var(--color-light-bg);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast), transform var(--transition-fast);
    position: relative;
}
.sb-cat-order__item:hover { background: rgba(13, 124, 124, 0.06); transform: translateX(4px); }
.sb-cat-order__num {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-navy);
    color: var(--color-white);
    border-radius: 50%;
    font-family: var(--font-sans);
    font-weight: var(--weight-bold);
    font-size: var(--text-lg);
    flex-shrink: 0;
}
.sb-cat-order__link {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    color: inherit;
    text-decoration: none;
}
.sb-cat-order__link:hover { color: inherit; text-decoration: none; }
.sb-cat-order__step {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: var(--weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-teal);
}
.sb-cat-order__title-text {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    color: var(--color-navy);
    line-height: 1.35;
}
.sb-cat-order__arrow {
    color: var(--color-gray);
    transition: color var(--transition-fast), transform var(--transition-fast);
    flex-shrink: 0;
}
.sb-cat-order__item:hover .sb-cat-order__arrow { color: var(--color-teal); transform: translateX(3px); }


/* ╔══════════════════════════════════════════════════════════════════════╗
   ║  TRUST NOTE                                                            ║
   ╚══════════════════════════════════════════════════════════════════════╝ */
.sb-cat-trust { background: var(--color-white); padding-bottom: clamp(2rem, 4vw, 3rem) !important; }
.sb-cat-trust__panel {
    background: linear-gradient(180deg, #F7FAFD 0%, #EEF4FA 100%);
    border: 1px solid rgba(27, 58, 92, 0.08);
    border-radius: var(--radius-lg);
    padding: clamp(1.5rem, 4vw, 2.5rem);
    text-align: center;
    max-width: 880px;
    margin: 0 auto;
}
.sb-cat-trust__title {
    font-size: clamp(1.3rem, 2.4vw, 1.6rem);
    margin: 0 0 var(--space-3);
    letter-spacing: -0.01em;
}
.sb-cat-trust__copy {
    font-family: var(--font-serif);
    font-size: var(--text-base);
    color: var(--color-text-mute);
    margin: 0 0 var(--space-5);
    max-width: 56ch;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--leading-snug);
}
.sb-cat-trust__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3) var(--space-5);
}
.sb-cat-trust__list li {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--color-text);
    margin: 0;
}
.sb-cat-trust__list svg { color: var(--color-green); flex-shrink: 0; }


/* ── Print ────────────────────────────────────────────────────────────── */
@media print {
    .sb-cat-hero__bg,
    .sb-cat-filters,
    .sb-cat-trust__panel,
    .sb-h-newsletter { display: none !important; }
}