.frt-page { --frt-green: var(--fs-primary, #2d5016); --frt-deep: var(--fs-primary-dark, #17300b); --frt-gold: var(--fs-secondary, #c69740); --frt-paper: var(--fs-card-bg, #fffdf8); --frt-gutter: clamp(1rem,3vw,1.5rem); overflow: clip; background: var(--fs-bg); }
.frt-page .container { box-sizing: border-box; width: min(100%, calc(var(--fs-max-width, 1200px) + 3rem)); margin-inline: auto; padding-inline: var(--frt-gutter); }
.frt-page h1,.frt-page h2,.frt-page h3 { color: var(--frt-deep); font-family: var(--fs-heading-font); text-wrap: balance; }
.frt-page h2 { margin: .45rem 0 .8rem; font-size: clamp(2rem,4.6vw,3.45rem); line-height: 1.08; }
.frt-kicker { margin: 0; color: var(--frt-gold); font-size: .72rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.frt-lede { color: var(--fs-text-light); font-size: clamp(1.04rem,1.8vw,1.24rem); line-height: 1.7; }
.frt-actions { display: flex; flex-wrap: wrap; gap: .7rem; align-items: center; }
.frt-section { padding-top: clamp(4rem,7vw,6.5rem); padding-bottom: clamp(4rem,7vw,6.5rem); }
.frt-section-head { max-width: 790px; margin: 0 auto 2.7rem; text-align: center; }
.frt-section-head > p:last-child { margin: 0; color: var(--fs-text-light); font-size: 1.02rem; line-height: 1.7; }

/* Landing hero */
.frt-hero { position: relative; padding: clamp(3.5rem,7vw,6.5rem) 1rem 4rem; border-bottom: 1px solid var(--fs-border-light); background: radial-gradient(circle at 10% 16%,rgba(198,151,64,.15),transparent 31rem),linear-gradient(145deg,var(--fs-bg),var(--frt-paper)); }
.frt-hero::after { content: ""; position: absolute; inset: auto 0 0; height: 5px; background: linear-gradient(90deg,var(--frt-green),var(--frt-gold),var(--frt-green)); opacity: .7; }
.frt-hero-grid { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(380px,.95fr); gap: clamp(2rem,6vw,5rem); align-items: center; }
.frt-hero h1 { max-width: 790px; margin: .75rem 0 0; font-size: clamp(2.7rem,6.8vw,5.65rem); line-height: .98; letter-spacing: -.045em; }
.frt-hero h1 em { display: block; color: var(--frt-gold); font-weight: 400; }
.frt-hero .frt-lede { max-width: 680px; margin: 1.4rem 0 0; }
.frt-hero .frt-actions { margin-top: 1.6rem; }
.frt-proof { display: flex; gap: 1.5rem; margin-top: 2rem; padding-top: 1.35rem; border-top: 1px solid var(--fs-border-light); }
.frt-proof div { min-width: 90px; }
.frt-proof strong { display: block; color: var(--frt-deep); font-family: var(--fs-heading-font); font-size: 1.55rem; line-height: 1; }
.frt-proof span { display: block; margin-top: .3rem; color: var(--fs-text-light); font-size: .72rem; text-transform: uppercase; letter-spacing: .07em; }
.frt-hero-books { position: relative; min-height: 570px; perspective: 1100px; }
.frt-hero-books img { position: absolute; top: 50%; left: 50%; width: min(255px,45vw); max-height: 520px; object-fit: contain; object-position: top; border: 1px solid rgba(45,32,16,.18); border-radius: 4px; background: white; box-shadow: 0 30px 65px rgba(31,25,13,.27); transform-origin: 50% 90%; }
.frt-hero-books img:nth-child(1) { transform: translate(-92%,-47%) rotate(-10deg); }
.frt-hero-books img:nth-child(2) { z-index: 2; transform: translate(-50%,-53%) scale(1.07); }
.frt-hero-books img:nth-child(3) { transform: translate(-8%,-47%) rotate(10deg); }
.frt-hero-seal { position: absolute; right: 3%; bottom: 2%; z-index: 4; width: 126px; aspect-ratio: 1; display: grid; place-content: center; text-align: center; border: 3px double rgba(255,255,255,.65); border-radius: 50%; color: #fff; background: var(--frt-green); box-shadow: var(--fs-shadow-md); transform: rotate(7deg); font-family: var(--fs-heading-font); font-size: 1.55rem; font-weight: 800; }
.frt-hero-seal small { display: block; max-width: 80px; margin-top: .2rem; font-family: var(--fs-body-font); font-size: .55rem; letter-spacing: .1em; line-height: 1.3; text-transform: uppercase; }

/* Program explanation */
.frt-system-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1rem; }
.frt-system-grid article { padding: 1.45rem; border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius-lg); background: var(--frt-paper); box-shadow: var(--fs-shadow-sm); }
.frt-system-grid article > span { display: inline-grid; width: 2.25rem; aspect-ratio: 1; place-items: center; border-radius: 50%; color: #fff; background: var(--frt-green); font-size: .72rem; font-weight: 800; }
.frt-system-grid h3 { margin: 1rem 0 .45rem; font-size: 1.16rem; }
.frt-system-grid p { margin: 0; color: var(--fs-text-light); font-size: .9rem; line-height: 1.6; }

/* Grade catalog */
.frt-grade-band { border-block: 1px solid var(--fs-border-light); background: linear-gradient(180deg,rgba(45,80,22,.035),rgba(198,151,64,.055)); }
.frt-grade-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1.35rem; }
.frt-grade-card { display: grid; grid-template-columns: 220px minmax(0,1fr); min-height: 355px; overflow: hidden; border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius-xl); background: var(--frt-paper); box-shadow: var(--fs-shadow-sm); transition: transform .2s ease,box-shadow .2s ease; }
.frt-grade-card:hover { transform: translateY(-3px); box-shadow: var(--fs-shadow-md); }
.frt-card-cover { position: relative; display: grid; place-items: center; padding: 1rem; background: linear-gradient(150deg,rgba(45,80,22,.1),rgba(198,151,64,.11)); }
.frt-card-cover img { width: 100%; max-height: 310px; object-fit: contain; object-position: top; border-radius: 3px; box-shadow: 0 14px 30px rgba(40,29,12,.23); }
.frt-grade-mark { position: absolute; top: .7rem; left: .7rem; z-index: 2; width: 2.25rem; aspect-ratio: 1; display: grid; place-items: center; border: 2px solid rgba(255,255,255,.8); border-radius: 50%; color: #fff; background: var(--frt-green); box-shadow: var(--fs-shadow-sm); font-family: var(--fs-heading-font); font-weight: 800; }
.frt-card-body { display: flex; flex-direction: column; padding: 1.35rem; }
.frt-card-body h3 { margin: .35rem 0 .3rem; font-size: 1.55rem; }
.frt-card-body h3 a { color: inherit; text-decoration: none; }
.frt-card-body > strong { color: var(--frt-gold); font-size: .88rem; line-height: 1.4; }
.frt-card-body > p { margin: .65rem 0; color: var(--fs-text-light); font-size: .88rem; line-height: 1.55; }
.frt-card-facts { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: auto; }
.frt-card-facts span { padding: .3rem .55rem; border-radius: 999px; color: var(--frt-green); background: rgba(45,80,22,.08); font-size: .68rem; font-weight: 800; }
.frt-card-actions { display: flex; gap: .5rem; margin-top: .85rem; }
.frt-card-actions .btn { flex: 1; padding: .52rem .65rem; font-size: .73rem; }

/* Progression */
.frt-progression { display: grid; grid-template-columns: minmax(260px,.75fr) minmax(0,1.25fr); gap: clamp(2rem,7vw,6rem); align-items: start; }
.frt-progression h2 { font-size: clamp(2rem,4vw,3.1rem); }
.frt-progression ol { display: grid; gap: .6rem; margin: 0; padding: 0; list-style: none; }
.frt-progression li a { display: grid; grid-template-columns: 42px 1fr; gap: .8rem; align-items: center; padding: .85rem 1rem; border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius-md); color: inherit; background: var(--frt-paper); text-decoration: none; transition: border-color .18s ease,transform .18s ease; }
.frt-progression li a:hover { border-color: var(--frt-gold); transform: translateX(4px); }
.frt-progression li span { display: grid; place-items: center; width: 38px; aspect-ratio: 1; border-radius: 50%; color: #fff; background: var(--frt-green); font-weight: 800; }
.frt-progression li strong,.frt-progression li small { display: block; }
.frt-progression li strong { color: var(--frt-deep); }
.frt-progression li small { margin-top: .2rem; color: var(--fs-text-light); }
.frt-access-band { padding: clamp(3.5rem,7vw,6rem) 1rem; color: white; background: radial-gradient(circle at 85% 0,rgba(198,151,64,.25),transparent 30rem),linear-gradient(135deg,var(--frt-deep),#3d1c02); }
.frt-access-band-inner { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; }
.frt-access-band h2 { margin: .5rem 0; color: white; }
.frt-access-band p:not(.frt-kicker) { max-width: 760px; margin: 0; color: rgba(255,255,255,.78); line-height: 1.7; }

/* Grade detail */
.frt-grade-hero { padding: 1.1rem 1rem clamp(4rem,7vw,6rem); border-bottom: 1px solid var(--fs-border-light); background: radial-gradient(circle at 70% 15%,rgba(198,151,64,.12),transparent 28rem),linear-gradient(145deg,var(--fs-bg),var(--frt-paper)); }
.frt-breadcrumbs { display: flex; flex-wrap: wrap; gap: .45rem; padding: 1rem 0 2rem; color: var(--fs-text-light); font-size: .75rem; }
.frt-breadcrumbs a { color: var(--frt-green); }
.frt-grade-hero-grid { display: grid; grid-template-columns: minmax(270px,.7fr) minmax(0,1.3fr); gap: clamp(2.2rem,7vw,6rem); align-items: center; max-width: 1080px; margin: 0 auto; }
.frt-grade-cover { position: relative; display: grid; place-items: center; min-height: 500px; }
.frt-grade-cover img { position: relative; z-index: 2; width: min(100%,340px); max-height: 510px; object-fit: contain; object-position: top; border-radius: 4px; box-shadow: 0 30px 65px rgba(31,25,13,.28); }
.frt-book-shadow { position: absolute; width: 70%; height: 72%; border-radius: 50%; background: rgba(45,80,22,.13); filter: blur(45px); transform: translateY(8%); }
.frt-grade-intro h1 { margin: .6rem 0 0; font-size: clamp(2.8rem,7vw,5.4rem); line-height: .95; }
.frt-grade-intro h1 span { display: block; color: var(--frt-gold); }
.frt-grade-theme { margin: 1rem 0 0; color: var(--frt-green); font-family: var(--fs-heading-font); font-size: clamp(1.2rem,2vw,1.55rem); font-weight: 700; }
.frt-grade-intro .frt-lede { max-width: 700px; margin: 1rem 0 0; }
.frt-grade-stats { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); max-width: 650px; margin: 1.5rem 0; overflow: hidden; border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius-md); background: rgba(255,255,255,.66); }
.frt-grade-stats div { padding: .85rem; text-align: center; }
.frt-grade-stats div + div { border-left: 1px solid var(--fs-border-light); }
.frt-grade-stats strong,.frt-grade-stats span { display: block; }
.frt-grade-stats strong { color: var(--frt-deep); font-family: var(--fs-heading-font); font-size: 1.35rem; }
.frt-grade-stats span { margin-top: .25rem; color: var(--fs-text-light); font-size: .68rem; letter-spacing: .04em; text-transform: uppercase; }

.frt-showcase-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1rem; }
.frt-showcase-page { display: flex; min-width: 0; flex-direction: column; overflow: hidden; padding: 0; border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius-lg); color: inherit; background: var(--frt-paper); box-shadow: var(--fs-shadow-sm); cursor: zoom-in; text-align: left; transition: transform .18s ease,box-shadow .18s ease; }
.frt-showcase-page:hover { transform: translateY(-3px); box-shadow: var(--fs-shadow-md); }
.frt-showcase-image { display: grid; min-height: 315px; place-items: center; padding: .75rem; background: linear-gradient(145deg,rgba(45,80,22,.08),rgba(198,151,64,.1)); }
.frt-showcase-image img { width: 100%; max-width: 230px; max-height: 305px; object-fit: contain; object-position: top; border: 1px solid rgba(45,32,16,.12); background: white; box-shadow: 0 12px 25px rgba(31,25,13,.18); }
.frt-showcase-copy { display: block; padding: .8rem .9rem; }
.frt-showcase-copy strong,.frt-showcase-copy small { display: block; }
.frt-showcase-copy strong { color: var(--frt-deep); font-size: .8rem; line-height: 1.4; }
.frt-showcase-copy small { margin-top: .3rem; color: var(--fs-text-light); font-size: .68rem; }

.frt-grade-program { padding: clamp(4rem,7vw,6rem) 1rem; border-block: 1px solid var(--fs-border-light); background: linear-gradient(145deg,rgba(45,80,22,.045),rgba(198,151,64,.06)); }
.frt-program-grid { display: grid; grid-template-columns: minmax(0,.85fr) minmax(460px,1.15fr); gap: clamp(2rem,5vw,4rem); align-items: center; }
.frt-program-grid > div > p:not(.frt-kicker) { color: var(--fs-text-light); line-height: 1.7; }
.frt-skill-list { display: grid; grid-template-columns: repeat(2,1fr); gap: .55rem; margin: 1.3rem 0 0; padding: 0; list-style: none; }
.frt-skill-list li { padding: .7rem .75rem .7rem 2.1rem; border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius-md); background: var(--frt-paper); color: var(--frt-green); font-size: .82rem; font-weight: 800; position: relative; }
.frt-skill-list li::before { content: "✓"; position: absolute; left: .75rem; color: var(--frt-gold); }
.frt-teacher-card { display: grid; grid-template-columns: 210px 1fr; gap: 1.35rem; align-items: center; padding: 1.2rem; border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius-xl); background: var(--frt-paper); box-shadow: var(--fs-shadow-md); }
.frt-teacher-card img { width: 100%; max-height: 310px; object-fit: contain; object-position: top; border-radius: 3px; box-shadow: 0 12px 24px rgba(31,25,13,.2); }
.frt-teacher-card h3 { margin: .45rem 0; font-size: 1.45rem; }
.frt-teacher-card p:not(.frt-kicker) { color: var(--fs-text-light); font-size: .88rem; line-height: 1.6; }

.frt-access-grid { display: grid; grid-template-columns: minmax(0,.85fr) minmax(380px,1.15fr); gap: clamp(2rem,6vw,5rem); align-items: center; }
.frt-access-grid > div:first-child > p:last-child { color: var(--fs-text-light); line-height: 1.7; }
.frt-access-card { padding: clamp(1.4rem,3vw,2rem); border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius-xl); background: var(--frt-paper); box-shadow: var(--fs-shadow-md); }
.frt-access-card h3 { margin: .65rem 0 .35rem; font-size: 1.45rem; }
.frt-access-card > p { color: var(--fs-text-light); }
.frt-member-badge { display: inline-flex; padding: .32rem .65rem; border-radius: 999px; color: white; background: var(--frt-green); font-size: .7rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.frt-quarter-list { margin-top: 1rem; border-top: 1px solid var(--fs-border-light); }
.frt-quarter-list summary { padding: .9rem 0 .55rem; color: var(--frt-green); cursor: pointer; font-weight: 800; }
.frt-quarter-list > div { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .65rem 0; border-top: 1px dashed var(--fs-border-light); }
.frt-quarter-list span,.frt-quarter-list strong,.frt-quarter-list small { display: block; }
.frt-quarter-list small { margin-top: .15rem; color: var(--fs-text-light); }
.frt-quarter-list span:last-child { display: flex; gap: .75rem; }
.frt-grade-nav { padding: 1rem; border-top: 1px solid var(--fs-border-light); background: var(--frt-paper); }
.frt-grade-nav .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.frt-grade-nav a { color: var(--frt-green); font-size: .8rem; font-weight: 800; }
.frt-grade-nav .container > div { display: flex; gap: .35rem; }
.frt-grade-nav .container > div a { display: grid; width: 34px; aspect-ratio: 1; place-items: center; border: 1px solid var(--fs-border-light); border-radius: 50%; text-decoration: none; }
.frt-grade-nav a[aria-current="page"] { color: white; background: var(--frt-green); }

/* Student preview lightbox */
.frt-preview-reader { position: fixed; inset: 0; z-index: 6000; display: grid; width: 100%; height: 100vh; height: 100dvh; grid-template-rows: auto minmax(0,1fr) auto; background: rgba(15,13,9,.97); overscroll-behavior: contain; }
.frt-preview-reader[hidden] { display: none; }
.frt-preview-bar { display: flex; align-items: center; gap: .75rem; padding: .65rem 1rem; color: white; }
.frt-preview-title { flex: 1; min-width: 0; overflow: hidden; font-family: var(--fs-heading-font); font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.frt-preview-close,.frt-zoom-controls button,.frt-preview-nav,.frt-page-controls button { display: grid; place-items: center; border: 1px solid rgba(255,255,255,.25); color: white; background: rgba(255,255,255,.08); cursor: pointer; }
.frt-preview-close { width: 44px; aspect-ratio: 1; border-radius: 50%; font-size: 1.8rem; }
.frt-zoom-controls { display: flex; gap: .35rem; }
.frt-zoom-controls button { min-width: 40px; height: 38px; border-radius: 7px; }
.frt-preview-stage { display: grid; min-height: 0; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; }
.frt-preview-nav { width: 48px; height: 72px; border: 0; font-size: 2.2rem; }
.frt-preview-canvas { display: grid; width: 100%; height: 100%; min-height: 0; place-items: center; overflow: auto; overscroll-behavior: contain; touch-action: none; cursor: zoom-in; }
.frt-preview-canvas[data-zoomed="true"] { place-items: start; cursor: grab; }
.frt-preview-canvas[data-zoomed="true"] img { margin-inline: auto; }
.frt-preview-canvas img { display: block; max-width: 100%; max-height: 100%; object-fit: contain; user-select: none; }
.frt-preview-thumbs { display: flex; gap: .45rem; justify-content: center; overflow-x: auto; padding: .55rem 1rem .75rem; }
.frt-preview-thumbs button { flex: 0 0 54px; height: 70px; overflow: hidden; padding: 2px; border: 2px solid transparent; border-radius: 4px; background: transparent; cursor: pointer; }
.frt-preview-thumbs button[aria-current="true"] { border-color: var(--frt-gold); }
.frt-preview-thumbs img { width: 100%; height: 100%; object-fit: cover; object-position: top; }

/* Complete teaching-edition reader */
.frt-teacher { min-height: 100vh; }
.frt-teacher-head { padding: .5rem 1rem 1.5rem; border-bottom: 1px solid var(--fs-border-light); background: linear-gradient(145deg,var(--fs-bg),var(--frt-paper)); }
.frt-teacher-title-row { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; }
.frt-teacher-title-row h1 { margin: .5rem 0; font-size: clamp(2.2rem,5vw,4.25rem); }
.frt-teacher-title-row p:not(.frt-kicker) { max-width: 760px; margin: 0; color: var(--fs-text-light); line-height: 1.65; }
.frt-teacher-fact { min-width: 180px; padding: 1rem 1.2rem; border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius-lg); background: var(--frt-paper); text-align: center; box-shadow: var(--fs-shadow-sm); }
.frt-teacher-fact strong,.frt-teacher-fact span { display: block; }
.frt-teacher-fact strong { color: var(--frt-deep); font-family: var(--fs-heading-font); font-size: 1.85rem; }
.frt-teacher-fact span { color: var(--fs-text-light); font-size: .7rem; text-transform: uppercase; letter-spacing: .07em; }
.frt-teacher-reader { background: #201c17; }
.frt-teacher-toolbar { position: sticky; top: 0; z-index: 20; display: grid; grid-template-columns: 1fr auto 1fr; gap: 1rem; align-items: center; min-height: 62px; padding: .6rem 1rem; color: white; background: rgba(22,19,15,.97); box-shadow: 0 4px 18px rgba(0,0,0,.3); }
.frt-reader-back { color: white; font-size: .78rem; font-weight: 800; }
.frt-page-controls { display: flex; gap: .45rem; align-items: center; justify-content: center; }
.frt-page-controls button { width: 40px; height: 38px; border-radius: 7px; font-size: 1.4rem; }
.frt-page-controls label { font-size: .82rem; }
.frt-page-controls input { width: 78px; height: 38px; margin: 0 .25rem; border: 1px solid rgba(255,255,255,.25); border-radius: 6px; color: #1b1711; background: white; text-align: center; font: inherit; }
.frt-teacher-toolbar .frt-zoom-controls { justify-self: end; }
.frt-teacher-stage { position: relative; display: grid; width: 100%; height: calc(100vh - 62px); min-height: 600px; place-items: center; overflow: auto; padding: 1.4rem; overscroll-behavior: contain; touch-action: none; cursor: zoom-in; }
.frt-teacher-stage[data-zoomed="true"] { place-items: start; cursor: grab; }
.frt-teacher-stage[data-zoomed="true"] img { margin-inline: auto; }
.frt-teacher-stage img { position: relative; z-index: 2; display: block; max-width: min(100%,980px); max-height: calc(100vh - 105px); object-fit: contain; background: white; box-shadow: 0 22px 60px rgba(0,0,0,.45); user-select: none; }
.frt-reader-loading { position: absolute; top: 50%; left: 50%; z-index: 1; color: rgba(255,255,255,.7); transform: translate(-50%,-50%); }
.frt-teacher-foot { display: grid; grid-template-columns: auto 1fr auto; gap: 1rem; align-items: center; padding: 1rem; color: white; background: #17140f; }
.frt-teacher-foot p { margin: 0; color: rgba(255,255,255,.7); font-size: .78rem; line-height: 1.5; text-align: center; }
.frt-empty { padding-top: 5rem; padding-bottom: 5rem; text-align: center; }

[data-theme="dark"] .frt-grade-stats { background: rgba(255,255,255,.04); }
[data-theme="dark"] .frt-card-cover,[data-theme="dark"] .frt-showcase-image { background: rgba(255,255,255,.04); }

@media (max-width: 1080px) {
  .frt-hero-grid,.frt-grade-hero-grid,.frt-program-grid,.frt-access-grid { grid-template-columns: 1fr; }
  .frt-hero-copy { text-align: center; }
  .frt-hero-copy .frt-lede { margin-inline: auto; }
  .frt-hero-copy .frt-actions,.frt-proof { justify-content: center; }
  .frt-hero-books { min-height: 520px; }
  .frt-system-grid,.frt-showcase-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .frt-grade-cover { min-height: auto; }
  .frt-grade-intro { text-align: center; }
  .frt-grade-intro .frt-lede,.frt-grade-stats { margin-inline: auto; }
  .frt-grade-intro .frt-actions { justify-content: center; }
}

@media (max-width: 840px) {
  .frt-grade-grid { grid-template-columns: 1fr; }
  .frt-progression { grid-template-columns: 1fr; }
  .frt-teacher-toolbar { grid-template-columns: 1fr auto; }
  .frt-page-controls { grid-column: 1 / -1; grid-row: 2; padding-top: .35rem; }
  .frt-teacher-toolbar .frt-zoom-controls { grid-column: 2; grid-row: 1; }
  .frt-teacher-stage { height: calc(100vh - 116px); }
  .frt-teacher-title-row { grid-template-columns: 1fr; }
  .frt-teacher-fact { justify-self: start; }
}

@media (max-width: 620px) {
  .frt-hero { padding-top: 2.7rem; }
  .frt-hero h1 { font-size: clamp(2.45rem,13vw,3.4rem); }
  .frt-hero-books { min-height: 410px; }
  .frt-hero-books img { width: min(190px,52vw); }
  .frt-hero-seal { width: 92px; font-size: 1.1rem; }
  .frt-proof { gap: .75rem; }
  .frt-proof div { min-width: 0; flex: 1; }
  .frt-system-grid,.frt-showcase-grid,.frt-skill-list { grid-template-columns: 1fr; }
  .frt-grade-card { grid-template-columns: 138px 1fr; min-height: 300px; }
  .frt-card-cover { padding: .55rem; }
  .frt-card-body { padding: 1rem; }
  .frt-card-body > p { font-size: .8rem; }
  .frt-card-actions { flex-direction: column; }
  .frt-grade-cover img { width: min(82vw,320px); }
  .frt-grade-stats { grid-template-columns: 1fr; }
  .frt-grade-stats div + div { border-top: 1px solid var(--fs-border-light); border-left: 0; }
  .frt-showcase-image { min-height: 390px; }
  .frt-showcase-image img { max-width: 285px; max-height: 375px; }
  .frt-teacher-card { grid-template-columns: 115px 1fr; padding: .9rem; }
  .frt-teacher-card h3 { font-size: 1.15rem; }
  .frt-access-band-inner { grid-template-columns: 1fr; }
  .frt-grade-nav .container { align-items: flex-start; flex-direction: column; }
  .frt-preview-bar { gap: .4rem; padding: .45rem; }
  .frt-preview-title { font-size: .78rem; }
  .frt-preview-bar > [data-preview-count] { display: none; }
  .frt-preview-nav { width: 34px; }
  .frt-preview-thumbs { justify-content: flex-start; }
  .frt-teacher-toolbar { gap: .45rem; padding: .5rem; }
  .frt-reader-back { max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .frt-page-controls input { width: 62px; }
  .frt-teacher-stage { min-height: 520px; padding: .5rem; }
  .frt-teacher-foot { grid-template-columns: 1fr 1fr; }
  .frt-teacher-foot p { grid-column: 1 / -1; grid-row: 2; }
}

@media (prefers-reduced-motion: reduce) {
  .frt-grade-card,.frt-showcase-page,.frt-progression li a { transition: none; }
}