/* ====================================================================
   /classroom/ logged-out landing page (.clm-*)
   Ported from design_handoff_classroom_landing/classroom-landing.css.
   Layers on extensions/index_new/styles.css primitives (.nav .hero .section
   .split .steps-row .section-head .btn .container .eyebrow). Palette slate:
   slate eyebrows, coral headline <em> + CTAs. Everything is scoped under
   .clm-scope so nothing leaks into other pages reading styles.css.
   ==================================================================== */
.clm-scope{--brand-strong:color-mix(in oklab,var(--brand) 86%,black)}
.clm-scope a{color:var(--brand);text-decoration:none;cursor:pointer}
.clm-scope a:hover{color:var(--brand-strong);text-decoration:underline}
.clm-scope a.btn,.clm-scope a.btn:hover{text-decoration:none}
.clm-scope h1 em,.clm-scope h2 em,.clm-scope h3 em{font-style:italic;font-weight:500;color:var(--brand)}
.clm-scope .eyebrow{color:var(--accent)}
.clm-scope .btn-primary{background:var(--brand);color:var(--brand-fg);border-color:var(--brand)}
.clm-scope .btn-primary:hover{background:var(--brand-strong);border-color:var(--brand-strong);color:var(--brand-fg)}
.clm-scope .btn-ghost{color:var(--text-2);border-color:var(--border-strong)}
.clm-scope .btn-ghost:hover{color:var(--text-1);background:var(--surface-2)}
.clm-scope .section-head h2{font-size:clamp(30px,4.4vw,50px)}
.clm-scope .section-head p{font-size:17px}
.clm-scope .split h2{font-size:clamp(28px,4vw,46px)}
.clm-scope .hero{padding-top:76px}
.clm-scope .hero h1{font-size:clamp(36px,5.6vw,66px)}
.clm-scope .hero-sub{max-width:520px}
.clm-scope .section{scroll-margin-top:24px}

.clm-herometa{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin-top:26px;font-size:13.5px;color:var(--text-3)}
.clm-herometa span{display:inline-flex;align-items:center;gap:7px}
.clm-herometa b{color:var(--text-2);font-weight:600}
.clm-herometa .ic{color:var(--success)}

/* ---------------- Class Mode board (hero + fade trio) ---------------- */
.clm-board{background:var(--bg-deep);border:1px solid var(--border-strong);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-elev)}
.clm-board-top{display:flex;align-items:center;gap:10px;padding:13px 18px;border-bottom:1px solid var(--border);background:var(--surface)}
.clm-board-top .dots{display:flex;gap:6px}
.clm-board-top .dots i{width:9px;height:9px;border-radius:50%;background:var(--border-strong);display:block}
.clm-board-top .nm{font-family:var(--font-serif);font-size:14.5px;font-weight:600;color:var(--text-1)}
.clm-board-top .nm span{color:var(--text-3);font-weight:500}
.clm-board-top .code{margin-left:auto;display:inline-flex;align-items:center;gap:7px;font-family:var(--font-mono);font-size:11.5px;font-weight:600;letter-spacing:.12em;color:var(--brand);background:var(--brand-soft);padding:5px 11px;border-radius:var(--radius-pill)}
.clm-board-stage{padding:38px 34px 30px;display:flex;flex-direction:column;align-items:center;gap:20px;text-align:center}
.clm-board-ref{font-family:var(--font-mono);font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--brand)}
.clm-board-verse{font-family:var(--font-serif);font-size:clamp(20px,2.5vw,30px);font-weight:500;line-height:1.34;letter-spacing:-.016em;color:var(--text-1);text-wrap:balance;max-width:560px}
.clm-board-verse .w{transition:opacity .25s}
.clm-board-verse .w.ghost{opacity:.16}
.clm-board-bot{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:14px 18px;border-top:1px solid var(--border);background:var(--surface)}
.clm-board-lab{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted)}
.clm-steps{display:flex;gap:5px}
.clm-steps button{min-width:48px;height:38px;border-radius:9px;border:1px solid var(--border-strong);background:var(--surface-2);color:var(--text-2);font-family:var(--font-sans);font-size:12.5px;font-weight:700;cursor:pointer}
.clm-steps button:hover{border-color:var(--brand);color:var(--brand)}
.clm-steps button.on{background:var(--brand);border-color:var(--brand);color:var(--brand-fg)}
.clm-board-got{margin-left:auto;display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--success);background:var(--success-soft);padding:6px 12px;border-radius:var(--radius-pill)}

/* fade trio */
.clm-trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:44px}
.clm-mini{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:14px}
.clm-mini-tag{display:flex;align-items:center;justify-content:space-between;gap:10px}
.clm-mini-tag .n{font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted)}
.clm-mini-tag .p{font-family:var(--font-mono);font-size:11px;font-weight:700;color:var(--brand);background:var(--brand-soft);padding:3px 8px;border-radius:5px}
.clm-mini-verse{font-family:var(--font-serif);font-size:16px;font-weight:500;line-height:1.45;color:var(--text-1);min-height:106px}
.clm-mini-verse .w.ghost{opacity:.15}
.clm-mini-cap{font-size:13px;color:var(--text-2);line-height:1.5;padding-top:12px;border-top:1px solid var(--border)}

/* ---------------- the week rail ---------------- */
.clm-week{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;margin-top:48px;border-top:2px solid var(--border-strong)}
.clm-day{padding:22px 20px 4px;border-right:1px solid var(--border);position:relative}
.clm-day:last-child{border-right:0}
.clm-day::before{content:"";position:absolute;top:-7px;left:20px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--border-strong)}
.clm-day.act::before{background:var(--brand);border-color:var(--brand)}
.clm-day .d{font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted)}
.clm-day.act .d{color:var(--brand)}
.clm-scope .clm-day h4{font-family:var(--font-serif);font-size:20px;font-weight:600;letter-spacing:-.012em;line-height:1.15;margin:10px 0 7px;color:var(--text-1)}
.clm-scope .clm-day p{font-size:13.5px;color:var(--text-2);line-height:1.5;max-width:none;margin:0}
.clm-day .who{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);background:var(--surface-2);border:1px solid var(--border);padding:4px 9px;border-radius:var(--radius-pill)}
.clm-loop{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:26px;font-size:14px;color:var(--text-3)}
.clm-loop b{color:var(--text-1);font-weight:600}

/* ---------------- artifact frame (shared) ---------------- */
.clm-art{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-elev);overflow:hidden}
.clm-art-hd{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border)}
.clm-scope .clm-art-hd h4{font-family:var(--font-serif);font-size:17px;font-weight:600;letter-spacing:-.01em;color:var(--text-1);margin:0}
.clm-art-hd .sub{font-size:12px;color:var(--text-3);margin-top:2px}
.clm-art-hd .rt{margin-left:auto;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3)}
.clm-art-bd{padding:8px 20px 18px}

/* teacher roster */
.clm-tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.clm-tbl th{text-align:left;font-size:10px;letter-spacing:.11em;text-transform:uppercase;color:var(--text-muted);font-weight:700;padding:12px 10px 9px;white-space:nowrap}
.clm-tbl td{padding:11px 10px;border-top:1px solid var(--border);vertical-align:middle}
.clm-tbl .nm{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--text-1);white-space:nowrap}
.clm-tbl .num{font-family:var(--font-mono);font-weight:600;color:var(--text-2)}
.clm-tbl .pct{display:flex;align-items:center;gap:9px}
.clm-tbl .pct .num{font-size:12px;width:34px;text-align:right}
.clm-dot{width:26px;height:26px;border-radius:50%;flex:none;display:grid;place-items:center;font-family:var(--font-mono);font-size:10.5px;font-weight:700;color:#fff}
.clm-dot.lg{width:38px;height:38px;font-size:12px}
.clm-pill{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:var(--radius-pill);white-space:nowrap;border:1px solid transparent}
.clm-pill.ok{background:var(--success-soft);color:var(--success)}
.clm-pill.work{background:var(--brand-soft);color:var(--brand)}
.clm-pill.none{background:var(--surface-2);color:var(--text-3);border-color:var(--border)}
.clm-bar{height:7px;border-radius:var(--radius-pill);background:var(--surface-2);border:1px solid var(--border);overflow:hidden;min-width:64px;flex:1}
.clm-bar.blk{display:block;height:9px}
.clm-bar i{display:block;height:100%;border-radius:inherit;background:var(--brand)}
.clm-bar.ok i{background:var(--success)}
.clm-note{display:flex;gap:11px;align-items:flex-start;margin-top:16px;padding:14px 16px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-md);font-size:13px;color:var(--text-2);line-height:1.5}
.clm-note .ic{color:var(--accent);flex:none;margin-top:1px}
.clm-note b{color:var(--text-1);font-weight:600}
.clm-scope .split .clm-note{margin-top:22px}

/* student */
.clm-sv{background:linear-gradient(165deg,color-mix(in oklab,var(--brand) 11%,var(--surface)),var(--surface) 60%);border:1px solid color-mix(in oklab,var(--brand) 20%,var(--border));border-radius:var(--radius-lg);padding:20px}
.clm-sv .ref{font-family:var(--font-mono);font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand)}
.clm-sv .txt{font-family:var(--font-serif);font-size:19px;font-weight:500;line-height:1.4;color:var(--text-1);margin-top:10px;text-wrap:pretty}
.clm-sv .go{display:flex;align-items:center;gap:12px;margin-top:18px;flex-wrap:wrap}
.clm-sv .go button{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:var(--brand-fg);border:1px solid var(--brand);font-family:var(--font-sans);font-size:14px;font-weight:600;padding:11px 18px;border-radius:var(--radius-pill);cursor:default;min-height:44px}
.clm-sv .go .m{font-size:12.5px;color:var(--text-3)}
.clm-sv .go .m b{color:var(--text-1)}
.clm-sv .row{display:flex;align-items:center;gap:10px;margin-top:14px}
.clm-sv .row .num{font-family:var(--font-mono);font-size:12px;font-weight:700;color:var(--text-2)}
.clm-tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:16px}
.clm-tile{border:1px solid var(--border);background:var(--surface);border-radius:var(--radius-md);padding:14px 10px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;font-size:12.5px;font-weight:600;color:var(--text-1);min-height:88px;justify-content:center}
.clm-tile .ic{color:var(--brand)}
.clm-tile .s{font-size:10.5px;font-weight:500;color:var(--text-3)}
.clm-goal{margin-top:16px;padding:16px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-2)}
.clm-goal-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:10px}
.clm-goal-top .l{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted)}
.clm-goal-top .v{font-family:var(--font-mono);font-size:13px;font-weight:700;color:var(--text-1)}
.clm-badges{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.clm-badge{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:600;padding:6px 11px;border-radius:var(--radius-pill);background:var(--brand-soft);color:var(--brand)}
.clm-badge.locked{background:var(--surface-2);color:var(--text-muted);border:1px dashed var(--border-strong)}

/* ---------------- join / code ---------------- */
.clm-join{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;margin-top:44px}
.clm-door{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);padding:34px 28px;display:flex;flex-direction:column;align-items:center;text-align:center}
.clm-scope .clm-door h4{font-family:var(--font-serif);font-size:24px;font-weight:600;letter-spacing:-.015em;color:var(--text-1);margin:0}
.clm-scope .clm-door p{font-size:13.5px;color:var(--text-3);margin:8px 0 0;max-width:none}
.clm-scope .clm-door p.after{margin-top:18px}
.clm-pin{display:flex;gap:10px;margin:22px 0 6px}
.clm-pin b{width:58px;height:72px;border-radius:14px;border:2px solid var(--border-strong);background:var(--bg);display:grid;place-items:center;font-family:var(--font-mono);font-size:34px;font-weight:700;color:var(--text-1)}
.clm-pin b.f{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.clm-pin b.e{color:var(--text-muted)}
.clm-slip{background:#fff;border:1px solid rgba(11,20,38,.14);border-radius:var(--radius-xl);box-shadow:var(--shadow-elev);padding:26px 28px;color:#111;display:flex;flex-direction:column;gap:14px}
.clm-slip .eye{font-size:9.5px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:#666}
.clm-scope .clm-slip h4{font-family:var(--font-serif);font-size:23px;font-weight:600;letter-spacing:-.015em;line-height:1.1;color:#111;margin:0}
.clm-slip-row{display:flex;align-items:center;gap:18px;padding:14px 0;border-top:1px solid #ddd;border-bottom:1px solid #ddd}
.clm-slip-row .l{font-size:9px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#666}
.clm-slip-row .v{font-family:var(--font-mono);font-size:24px;font-weight:700;letter-spacing:.12em;line-height:1.15;color:#111}
.clm-slip-row .v.name{font-family:var(--font-serif);letter-spacing:0;font-size:21px}
.clm-slip-row .qr{width:64px;height:64px;border:2px solid #111;border-radius:8px;margin-left:auto;display:grid;place-items:center;color:#666}
.clm-scope .clm-slip ol{margin:0;padding-left:18px;font-size:12.5px;color:#444;line-height:1.6}
.clm-slip .foot{font-size:10.5px;color:#666;padding-top:12px;border-top:1px solid #ddd}

/* ---------------- parents band ---------------- */
.clm-trust{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:44px;align-items:start}
.clm-scope .clm-trust h2{font-size:clamp(28px,3.6vw,44px);margin:16px 0 18px}
.clm-scope .clm-trust>div>p{font-size:17px;color:var(--text-2);margin-bottom:26px}
.clm-nots{display:flex;flex-direction:column;gap:10px}
.clm-not{display:flex;align-items:flex-start;gap:12px;padding:15px 18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md)}
.clm-not .ic{width:26px;height:26px;border-radius:50%;background:var(--surface-2);border:1px solid var(--border);color:var(--text-3);display:grid;place-items:center;flex:none}
.clm-not b{display:block;font-size:14px;font-weight:600;color:var(--text-1)}
.clm-scope .clm-not p{font-size:12.5px;color:var(--text-2);line-height:1.5;margin:3px 0 0;max-width:none}
.clm-parent{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);overflow:hidden}
.clm-parent-hd{display:flex;align-items:center;gap:12px;padding:16px 20px;background:var(--surface-2);border-bottom:1px solid var(--border)}
.clm-parent-hd .t{font-family:var(--font-serif);font-size:16px;font-weight:600;color:var(--text-1)}
.clm-parent-hd .s{font-size:11.5px;color:var(--text-3);margin-top:2px}
.clm-parent-bd{padding:20px;display:flex;flex-direction:column;gap:16px}
.clm-parent-bd .clm-sv{padding:16px}
.clm-parent-bd .clm-sv .txt{font-size:16px}
.clm-parent-bd .clm-goal{margin-top:0}
.clm-kid{display:flex;align-items:center;gap:12px}
.clm-kid .n{font-size:15px;font-weight:600;color:var(--text-1)}
.clm-kid .m{font-size:12px;color:var(--text-3);margin-top:2px}
.clm-kid .r{margin-left:auto}
.clm-consent{display:flex;gap:12px;align-items:flex-start;padding:15px 16px;border:2px solid var(--brand);background:var(--brand-soft);border-radius:var(--radius-md)}
.clm-consent .bx{width:24px;height:24px;border-radius:7px;background:var(--brand);color:var(--brand-fg);display:grid;place-items:center;flex:none}
.clm-scope .clm-consent p{font-size:13px;line-height:1.5;color:var(--text-1);margin:0;max-width:none}

/* ---------------- closing ---------------- */
.clm-scope .section.clm-last{padding-bottom:0}
.clm-cta{background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-xl);box-shadow:var(--shadow-elev);padding:44px 48px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:44px;align-items:center}
.clm-scope .clm-cta h2{font-family:var(--font-serif);font-size:clamp(28px,3.6vw,42px);font-weight:600;letter-spacing:-.02em;line-height:1.06;color:var(--text-1)}
.clm-scope .clm-cta p{font-size:15.5px;color:var(--text-2);margin-top:12px;max-width:440px}
.clm-scope .clm-cta ul{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-direction:column;gap:9px}
.clm-cta li{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:var(--text-2);line-height:1.45}
.clm-cta li .ic{color:var(--brand);flex:none;margin-top:2px}
.clm-go{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;display:flex;flex-direction:column;gap:12px}
.clm-go .btn{width:100%;min-height:52px;justify-content:center;font-size:15.5px}
.clm-scope .clm-go .fine{font-size:12.5px;color:var(--text-3);margin:2px 0 0;text-align:center;line-height:1.45;max-width:none}
.clm-scope .clm-go .fine a{color:var(--text-1);text-decoration:underline}

/* ---------------- responsive ---------------- */
@media (max-width:1080px){
  .clm-scope .container{padding:0 28px}
  .clm-scope .hero{grid-template-columns:minmax(0,1fr);gap:40px;padding-top:56px}
  .clm-scope .hero-sub{max-width:none}
  .clm-scope .split{grid-template-columns:minmax(0,1fr);gap:36px}
  .clm-scope .split.reverse>:first-child{order:0}
  .clm-scope .split p{max-width:none}
  .clm-week{grid-template-columns:repeat(2,minmax(0,1fr))}
  .clm-day{border-bottom:1px solid var(--border);padding-bottom:20px}
  .clm-trust{grid-template-columns:minmax(0,1fr);gap:32px}
  .clm-cta{grid-template-columns:minmax(0,1fr);gap:30px;padding:34px}
}
@media (max-width:820px){
  .clm-trio{grid-template-columns:minmax(0,1fr)}
  .clm-mini-verse{min-height:0}
  .clm-join{grid-template-columns:minmax(0,1fr)}
  .clm-scope .steps-row{grid-template-columns:minmax(0,1fr);gap:28px}
  .clm-scope .section{padding:var(--sp-16) 0}
  .clm-scope .hero-cta-row{flex-wrap:wrap}
}
@media (max-width:560px){
  .clm-scope .container{padding:0 20px}
  .clm-week{grid-template-columns:minmax(0,1fr)}
  .clm-day{border-right:0}
  .clm-tiles{grid-template-columns:minmax(0,1fr)}
  .clm-pin b{width:48px;height:60px;font-size:27px}
  .clm-cta{padding:26px 22px}
  .clm-art-bd{padding:8px 12px 14px;overflow-x:auto}
  .clm-board-got{margin-left:0}
}
@media (max-width:560px){
  .clm-tbl th,.clm-tbl td{padding:10px 6px}
  .clm-tbl .pct .clm-bar{display:none}
  .clm-tbl .pct .num{width:auto;text-align:left}
}
@media (max-width:560px){
  .clm-tbl{font-size:12.5px}
  .clm-tbl th{letter-spacing:.05em;font-size:9.5px}
  .clm-tbl .nm{gap:6px}
  .clm-tbl .clm-dot{width:22px;height:22px;font-size:9.5px}
  .clm-tbl .clm-pill{padding:3px 7px;font-size:10.5px}
}
/* hero pros list */
.clm-scope .clm-pros{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
.clm-pros li{display:flex;align-items:flex-start;gap:10px;font-size:15px;line-height:1.45;color:var(--text-1)}
.clm-pros li .ic{color:var(--success);flex:none;margin-top:3px}
.clm-scope .hero .hero-cta-row{margin-top:28px}
/* The shared marketing nav's Join pill is an <a> too; keep its own colors. */
.clm-scope .nav-join, .clm-scope .nav-join:hover { color: var(--brand-fg); text-decoration: none; }
.clm-scope .nav-link, .clm-scope .nav-link:hover, .clm-scope .nav-brand, .clm-scope .nav-brand:hover { text-decoration: none; }
.clm-scope .nav-brand, .clm-scope .nav-brand:hover { color: var(--text-1); }
.clm-scope .clm-beta{display:inline-block;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:2px 7px;border-radius:4px;background:var(--accent-soft);color:var(--accent);vertical-align:middle;margin-left:4px}