/* ============================================
   FACULTY & STAFF — "Teaching dossier"
   Numbered chapters, ruled roster, no photo cards
   ============================================ */

.fs-hero,
.fs-section,
.fs-cta {
    --fs-ink: #101722;
    --fs-navy: #0a1f44;
    --fs-gold: #c9a227;
    --fs-muted: #5f6878;
    --fs-line: rgba(16, 23, 34, 0.13);
    --fs-tint: #f4f2ec;
    --fs-ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── HERO ─── */
.fs-hero {
    position: relative;
    background: #fff;
    padding: 54px 0 70px;
    border-bottom: 1px solid var(--fs-line);
    overflow: hidden;
}

/* faint ruled-paper grid — the page's own motif */
.fs-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(10, 31, 68, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(10, 31, 68, 0.05) 1px, transparent 1px);
    background-size: 68px 68px;
    -webkit-mask-image: radial-gradient(ellipse 70% 80% at 85% 10%, #000, transparent 75%);
    mask-image: radial-gradient(ellipse 70% 80% at 85% 10%, #000, transparent 75%);
    pointer-events: none;
}

.fs-hero-inner {
    position: relative;
}

.fs-breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--fs-muted);
    margin-bottom: 44px;
}

.fs-breadcrumb a {
    color: var(--fs-muted);
}

.fs-breadcrumb a:hover {
    color: var(--fs-ink);
}

.fs-breadcrumb [aria-current] {
    color: var(--fs-ink);
    font-weight: 600;
}

.fs-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
}

.fs-kicker {
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 2.6px;
    text-transform: uppercase;
    color: var(--fs-gold);
    margin: 0 0 12px;
}

.fs-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.3rem, 4.4vw, 3.9rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -1.2px;
    color: var(--fs-ink);
    max-width: 14ch;
    margin: 0;
    animation: fsRise 0.8s var(--fs-ease) both;
}

.fs-hero-aside {
    padding-top: 8px;
}

.fs-hero-aside p {
    font-size: 1.04rem;
    line-height: 1.8;
    color: var(--fs-muted);
    margin-bottom: 26px;
}

/* contents list — a dossier index, not nav chips */
.fs-hero-index {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--fs-line);
}

.fs-hero-index li {
    border-bottom: 1px solid var(--fs-line);
}

.fs-hero-index a {
    display: block;
    padding: 11px 0;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--fs-ink);
    transition: color 0.25s var(--fs-ease), padding-left 0.25s var(--fs-ease);
}

.fs-hero-index a:hover,
.fs-hero-index a:focus-visible {
    color: var(--fs-navy);
    padding-left: 10px;
}

@keyframes fsRise {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: none; }
}

/* ─── SECTION SHELL ─── */
.fs-section {
    padding: 92px 0;
    background: #fff;
}

.fs-section--tint {
    background: var(--fs-tint);
}

.fs-section--dark {
    background: var(--fs-navy);
    color: #fff;
}

.fs-chapter {
    display: grid;
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    padding-bottom: 34px;
    margin-bottom: 44px;
    border-bottom: 1px solid var(--fs-line);
}

.fs-section--dark .fs-chapter {
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

/* oversized outlined chapter numeral */
.fs-chapter-num {
    font-family: var(--font-heading);
    font-size: clamp(3.4rem, 6vw, 5.4rem);
    font-weight: 800;
    line-height: 0.8;
    color: transparent;
    -webkit-text-stroke: 1.4px var(--fs-gold);
    letter-spacing: -2px;
}

.fs-chapter-title {
    font-family: var(--font-heading);
    font-size: clamp(1.7rem, 2.9vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.6px;
    color: var(--fs-ink);
    margin: 0;
}

.fs-section--dark .fs-chapter-title,
.fs-section--dark .fs-kicker {
    color: #fff;
}

.fs-section--dark .fs-kicker {
    color: var(--fs-gold);
}

.fs-lead {
    max-width: 62ch;
    margin: 14px 0 0;
    font-size: 1.02rem;
    line-height: 1.8;
    color: var(--fs-muted);
}

.fs-section--dark .fs-lead {
    color: rgba(255, 255, 255, 0.76);
}

/* ─── 01 ROSTER ─── */
.fs-roster-head,
.fs-roster-row {
    display: grid;
    grid-template-columns: 62px minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 20px;
    align-items: baseline;
}

.fs-roster-head {
    padding-bottom: 12px;
    border-bottom: 2px solid var(--fs-ink);
    font-family: var(--font-heading);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--fs-muted);
}

.fs-roster-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.fs-roster-row {
    padding: 20px 0;
    border-bottom: 1px solid var(--fs-line);
    transition: background-color 0.3s var(--fs-ease), padding-left 0.3s var(--fs-ease);
}

.fs-roster-row:hover {
    background: var(--fs-tint);
    padding-left: 12px;
}

.fs-roster-num {
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--fs-gold);
}

.fs-roster-name {
    font-family: var(--font-heading);
    font-size: 1.22rem;
    font-weight: 600;
    color: var(--fs-ink);
}

.fs-roster-subject {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--fs-navy);
}

.fs-roster-qual {
    font-size: 0.95rem;
    color: var(--fs-muted);
}

/* ─── 02 DEVELOPMENT ─── */
.fs-dev-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 60px;
    align-items: start;
}

.fs-dev-copy p {
    max-width: 60ch;
    font-size: 1.03rem;
    line-height: 1.85;
    color: var(--fs-muted);
    margin-bottom: 18px;
}

.fs-dev-list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 2px solid var(--fs-ink);
}

.fs-dev-list li {
    position: relative;
    padding: 16px 0 16px 30px;
    border-bottom: 1px solid var(--fs-line);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--fs-ink);
}

.fs-dev-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 24px;
    width: 14px;
    height: 1px;
    background: var(--fs-gold);
}

/* ─── 03 WORKSHOP TOPICS ─── */
.fs-topics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--fs-line);
    border: 1px solid var(--fs-line);
}

.fs-topic {
    background: #fff;
    padding: 30px 26px 32px;
    transition: background-color 0.3s var(--fs-ease);
}

.fs-topic:hover {
    background: var(--fs-tint);
}

.fs-topic-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--fs-gold);
    margin-bottom: 14px;
}

.fs-topic h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--fs-ink);
    margin-bottom: 8px;
}

.fs-topic p {
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--fs-muted);
    margin: 0;
}

/* ─── 04 CLASSROOM STEPS ─── */
.fs-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 26px;
    counter-reset: fsstep;
}

.fs-step {
    position: relative;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.25);
}

/* connector dot on the rule */
.fs-step::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 0;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--fs-gold);
}

.fs-step-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--fs-gold);
    margin-bottom: 12px;
}

.fs-step h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
}

.fs-step p {
    font-size: 0.93rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.72);
    margin: 0;
}

/* ─── 05 PLANNING FLOW ─── */
.fs-flow {
    list-style: none;
    margin: 0;
    padding: 0 0 0 26px;
    border-left: 1px solid var(--fs-line);
    counter-reset: flow;
}

.fs-flow-step {
    position: relative;
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 26px;
    padding: 26px 0;
    border-bottom: 1px solid var(--fs-line);
}

.fs-flow-step:last-child {
    border-bottom: 0;
}

.fs-flow-step::before {
    content: '';
    position: absolute;
    left: -30px;
    top: 38px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 1px solid var(--fs-gold);
    background: #fff;
    transition: background-color 0.3s var(--fs-ease);
}

.fs-flow-step:hover::before {
    background: var(--fs-gold);
}

.fs-flow-num {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 2.6vw, 2.3rem);
    font-weight: 800;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1.2px var(--fs-navy);
}

.fs-flow-body h3 {
    font-size: 1.12rem;
    font-weight: 600;
    color: var(--fs-ink);
    margin-bottom: 8px;
}

.fs-flow-body p {
    max-width: 68ch;
    font-size: 0.98rem;
    line-height: 1.75;
    color: var(--fs-muted);
    margin: 0;
}

/* ─── 06 METHODOLOGY ─── */
.fs-methods {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 34px 30px;
}

.fs-method-icon {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    margin-bottom: 16px;
    border: 1px solid var(--fs-line);
    border-radius: 50%;
    color: var(--fs-navy);
    transition: background-color 0.3s var(--fs-ease), color 0.3s var(--fs-ease), border-color 0.3s var(--fs-ease);
}

.fs-method-icon svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.fs-method:hover .fs-method-icon {
    background: var(--fs-navy);
    border-color: var(--fs-navy);
    color: var(--fs-gold);
}

.fs-method h3 {
    font-size: 1.04rem;
    font-weight: 600;
    color: var(--fs-ink);
    margin-bottom: 8px;
}

.fs-method p {
    font-size: 0.93rem;
    line-height: 1.7;
    color: var(--fs-muted);
    margin: 0;
}

/* ─── 07 ASSESSMENT ─── */
.fs-assess {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
}

.fs-assess-list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--fs-line);
}

.fs-assess-row {
    display: grid;
    grid-template-columns: 18px minmax(0, 1fr);
    gap: 18px;
    padding: 20px 0;
    border-bottom: 1px solid var(--fs-line);
}

.fs-assess-mark {
    width: 10px;
    height: 10px;
    margin-top: 7px;
    border: 1px solid var(--fs-gold);
    transform: rotate(45deg);
}

.fs-assess-row h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--fs-ink);
    margin-bottom: 6px;
}

.fs-assess-row p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--fs-muted);
    margin: 0;
}

.fs-assess-note {
    padding: 28px;
    background: var(--fs-tint);
    border-left: 2px solid var(--fs-gold);
}

.fs-assess-note p {
    font-size: 0.98rem;
    line-height: 1.7;
    color: var(--fs-muted);
    margin-bottom: 14px;
}

.fs-link {
    display: inline-flex;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--fs-navy);
}

.fs-link span {
    transition: transform 0.3s var(--fs-ease);
}

.fs-link:hover span {
    transform: translateX(5px);
}

/* ─── CTA ─── */
.fs-cta {
    background: var(--fs-tint);
    padding: 64px 0;
    border-top: 1px solid var(--fs-line);
}

.fs-cta-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 26px 40px;
    align-items: center;
    justify-content: space-between;
}

.fs-cta-title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 2.4vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--fs-ink);
    margin-bottom: 8px;
}

.fs-cta-inner p {
    max-width: 52ch;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--fs-muted);
    margin: 0;
}

.fs-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 30px;
    border-radius: 28px;
    background: var(--fs-navy);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 600;
    transition: background-color 0.3s var(--fs-ease), transform 0.3s var(--fs-ease);
}

.fs-cta-btn:hover {
    background: #12305f;
    color: #fff;
    transform: translateY(-2px);
}

/* ─── REVEAL ─── */
.fs-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.65s var(--fs-ease), transform 0.65s var(--fs-ease);
    transition-delay: calc(var(--i, 0) * 55ms);
}

.fs-reveal.is-in {
    opacity: 1;
    transform: none;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1100px) {
    .fs-topics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .fs-methods { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .fs-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 26px; }
}

@media (max-width: 900px) {
    .fs-hero { padding: 40px 0 54px; }
    .fs-breadcrumb { margin-bottom: 28px; }

    .fs-hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .fs-hero-title { max-width: none; }

    .fs-section { padding: 68px 0; }

    .fs-chapter {
        grid-template-columns: 1fr;
        gap: 10px;
        padding-bottom: 24px;
        margin-bottom: 32px;
    }

    .fs-chapter-num { font-size: 2.6rem; }

    .fs-dev-grid,
    .fs-assess {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    /* roster becomes stacked records instead of a squashed table */
    .fs-roster-head { display: none; }

    .fs-roster-row {
        grid-template-columns: 44px minmax(0, 1fr);
        gap: 6px 14px;
        padding: 18px 0;
    }

    .fs-roster-num { grid-row: span 3; }
    .fs-roster-name { font-size: 1.1rem; }
    .fs-roster-row:hover { padding-left: 0; background: none; }
}

@media (max-width: 600px) {
    .fs-section { padding: 54px 0; }

    .fs-topics,
    .fs-methods,
    .fs-steps {
        grid-template-columns: 1fr;
    }

    .fs-topics { gap: 1px; }
    .fs-topic { padding: 24px 20px 26px; }

    .fs-steps { gap: 26px; }

    .fs-flow {
        padding-left: 20px;
    }

    .fs-flow-step {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 20px 0;
    }

    .fs-flow-step::before { left: -24px; top: 30px; }
    .fs-flow-num { font-size: 1.5rem; }

    .fs-assess-note { padding: 22px; }

    .fs-cta-inner { gap: 20px; }
    .fs-cta-btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    .fs-hero-title { animation: none; }

    .fs-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}
