/* ============================================================
   MCM ROBOTICS v3 — /educator/ (MCM Educator, the platform's front door)
   Page-only components, prefixed edc-, all under .edc-page. Tokens, type, buttons, .steps,
   .field / .form-grid, .crumbs and the bands come from main.css. No [data-reveal] on this
   page: everything shows without JavaScript.
   ============================================================ */

/* Without JavaScript, Alpine never removes x-cloak, and main.css has no [x-cloak] rule, so the site's mobile menu,
   cart drawer and video overlay would cover this page. Keep them closed here (a site-wide rule is a follow-up). */
body:has(.edc-page) [x-cloak] { display: none !important; }

.edc-page { overflow-x: clip; }
.edc-page ol, .edc-page ul { list-style: none; }
.edc-page [id] { scroll-margin-top: calc(var(--nav-h) + 12px); }

/* ---------- hero ---------- */
.edc-hero { padding: calc(var(--nav-h) + clamp(28px, 5vw, 60px)) 0 clamp(48px, 7vw, 88px); }
.edc-hero .crumbs { color: var(--void-muted); margin-bottom: clamp(22px, 3vw, 34px); }
.edc-hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.edc-hero h1 { margin-top: 18px; }
.edc-hero h1 em { font-style: normal; color: var(--void-accent); }
.edc-hero .lead { margin-top: 22px; color: var(--void-muted); }
.edc-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.edc-status { display: flex; align-items: baseline; gap: 10px; margin-top: 24px; font-family: var(--font-mono); font-size: 0.7rem; line-height: 1.6; letter-spacing: 0.12em; text-transform: uppercase; color: var(--void-muted); }
.edc-dot { width: 8px; height: 8px; border-radius: 50%; background: #fbbf24; flex: none; transform: translateY(-1px); }

.edc-panel { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--void-line); border-left: 1px solid var(--void-line); }
.edc-panel > div { position: relative; padding: 18px 18px 20px; border-right: 1px solid var(--void-line); border-bottom: 1px solid var(--void-line); }
.edc-panel > div::before { content: ""; position: absolute; top: 0; left: 0; width: 22px; height: 3px; background: var(--void-accent); }
.edc-panel > div:first-child { grid-column: span 2; }
.edc-panel dt { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--void-muted); margin-bottom: 10px; }
.edc-panel dd { font-family: var(--font-display); font-weight: 700; font-stretch: 90%; font-size: clamp(1rem, 1.5vw, 1.2rem); line-height: 1.2; color: var(--void-ink); }

/* ---------- section heads ---------- */
.edc-head { display: grid; gap: 16px; max-width: 780px; margin-bottom: clamp(30px, 4.5vw, 52px); }
.edc-watch { justify-self: start; display: inline-flex; align-items: center; gap: 6px; font-size: 0.88rem; font-weight: 600; color: var(--primary); text-decoration: none; }
.edc-watch::before { content: "▶"; font-size: 0.72rem; }
.edc-watch:hover { text-decoration: underline; }
.edc-head .lead { max-width: 64ch; }
.band-dark .edc-head .lead { color: var(--void-muted); }
.edc-narrow { max-width: 860px; }

/* ---------- cards: who it is for, where it stands ---------- */
.edc-who, .edc-stand { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.edc-card { background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--r-card); padding: 22px 22px 24px; }
.edc-card h3 { font-family: var(--font-display); font-weight: 750; font-stretch: 90%; font-size: 1.18rem; line-height: 1.15; margin-top: 10px; }
.edc-card p { color: var(--muted); font-size: 0.92rem; margin-top: 10px; }
.edc-kicker { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--primary); }
.edc-aside { margin-top: 24px; font-size: 0.95rem; color: var(--muted); }
.edc-aside a { color: var(--primary); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.edc-state { display: inline-block; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; padding: 5px 9px 4px; border-radius: var(--r-btn); background: var(--ink); color: var(--bg); }
.edc-state-now { background: var(--primary); }
.edc-stand .edc-card p { color: var(--ink-2); margin-top: 14px; }

/* ---------- what is built ---------- */
.edc-built { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px 32px; }
.edc-item { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; padding-top: 18px; border-top: 1px solid var(--line-2); }
.edc-n { font-family: var(--font-mono); font-size: 0.72rem; color: var(--primary); border: 1px solid var(--primary); border-radius: 2px; text-align: center; padding: 4px 0; }
.edc-item h3 { font-family: var(--font-display); font-weight: 720; font-size: 1.08rem; line-height: 1.2; }
.edc-item p { color: var(--muted); font-size: 0.9rem; margin-top: 8px; }

/* ---------- the 90-day pilot (dark band) ---------- */
/* the 90-day clock: the bar is to scale (15 + 15 + 30 + 30 days), the phase cards below are equal */
.edc-clock { margin-bottom: 16px; }
.edc-bar, .edc-ticks { display: grid; grid-template-columns: 15fr 15fr 30fr 30fr; }
.edc-bar { gap: 3px; }
.edc-bar i { height: 8px; background: var(--void-accent); }
.edc-bar i:nth-child(1) { opacity: 0.35; }
.edc-bar i:nth-child(2) { opacity: 0.55; }
.edc-bar i:nth-child(3) { opacity: 0.78; }
.edc-ticks { position: relative; margin-top: 8px; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--void-muted); }
.edc-ticks span:last-child { position: absolute; top: 0; right: 0; }
.edc-phases { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--void-line); }
.edc-phases li { display: flex; flex-direction: column; gap: 6px; padding: 20px 16px 22px; border-right: 1px solid var(--void-line); }
.edc-phases li:last-child { border-right: 0; }
.edc-days { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--void-accent); }
.edc-phases b { font-family: var(--font-display); font-weight: 720; font-size: 1.05rem; color: var(--void-ink); }
.edc-phases li > span:last-child { font-size: 0.84rem; line-height: 1.5; color: var(--void-muted); }
.edc-measures-wrap { margin-top: clamp(36px, 5vw, 56px); }
.edc-sub { font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--void-muted); margin-bottom: 14px; }
.edc-measures { display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; counter-reset: edcm; }
.edc-measures li { counter-increment: edcm; display: grid; grid-template-columns: 34px 1fr; column-gap: 12px; padding: 14px 0; border-top: 1px solid var(--void-line); }
.edc-measures li::before { content: counter(edcm, decimal-leading-zero); grid-row: span 2; font-family: var(--font-mono); font-size: 0.72rem; color: var(--void-accent); padding-top: 4px; }
.edc-measures b { font-family: var(--font-display); font-weight: 700; font-size: 1.02rem; color: var(--void-ink); }
.edc-measures span { font-size: 0.86rem; color: var(--void-muted); margin-top: 3px; }
.edc-note { margin-top: 30px; max-width: 82ch; font-size: 0.92rem; color: var(--void-muted); border-left: 3px solid var(--void-accent); padding-left: 16px; }
.edc-note-light { color: var(--ink-2); border-left-color: var(--primary); }

/* ---------- learners' privacy ---------- */
.edc-table-wrap { border: 1px solid var(--line-2); border-radius: var(--r-card); background: var(--surface); overflow-x: auto; }
.edc-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.edc-table caption { text-align: left; padding: 14px 16px; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--line); }
.edc-table th, .edc-table td { padding: 12px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.edc-table thead th { font-family: var(--font-mono); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; background: var(--ink); color: var(--bg); }
.edc-table tbody th { font-weight: 650; color: var(--ink); }
.edc-table td { color: var(--ink-2); }
.edc-table tbody tr:last-child > * { border-bottom: 0; }
.edc-points { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 36px; margin-top: clamp(28px, 4vw, 40px); }
.edc-points li { position: relative; padding-left: 20px; font-size: 0.94rem; color: var(--ink-2); }
.edc-points li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 9px; height: 2px; background: var(--primary); }
.edc-points b { color: var(--ink); }

/* ---------- FAQ (native details: works without JavaScript) ---------- */
.edc-faq details { border-bottom: 1px solid var(--line); }
.edc-faq summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 20px 4px; cursor: pointer; font-family: var(--font-display); font-weight: 650; font-size: 1.05rem; }
.edc-faq summary::-webkit-details-marker { display: none; }
.edc-faq .ind { flex: none; font-family: var(--font-mono); font-size: 1.1rem; color: var(--muted); transition: transform 0.2s; }
.edc-faq details[open] .ind { transform: rotate(45deg); }
.edc-faq details p { padding: 0 4px 22px; color: var(--muted); max-width: 68ch; }

/* ---------- forms ---------- */
.edc-steps { margin-bottom: clamp(32px, 4vw, 48px); }
.edc-forms { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(20px, 3vw, 32px); align-items: start; }
.edc-form-box { background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--r-card); padding: clamp(22px, 3vw, 36px); }
.edc-form-title { font-family: var(--font-display); font-weight: 760; font-stretch: 90%; font-size: 1.45rem; line-height: 1.12; margin-top: 12px; }
.edc-form-intro { color: var(--muted); font-size: 0.92rem; margin: 8px 0 22px; }
.edc-fields { display: grid; gap: 16px; }
.edc-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.edc-check { display: flex; gap: 12px; align-items: flex-start; font-size: 0.86rem; line-height: 1.5; color: var(--ink-2); cursor: pointer; }
.edc-check input { flex: none; width: 18px; height: 18px; margin-top: 2px; accent-color: var(--primary); }
.edc-check a { text-decoration: underline; text-underline-offset: 2px; }
.edc-err { margin-top: 6px; font-size: 0.82rem; color: var(--neg); }
.edc-page .field [aria-invalid="true"] { border-color: var(--neg); box-shadow: 0 0 0 1px var(--neg); }
.edc-check input[aria-invalid="true"] { outline: 2px solid var(--neg); outline-offset: 2px; }
.edc-form-msg { margin-bottom: 12px; padding: 12px 14px; font-size: 0.88rem; color: var(--ink-2); border: 1px solid var(--line-2); border-left: 3px solid var(--neg); border-radius: var(--r-btn); }
.edc-done:focus { outline: none; }
.edc-done p { margin-top: 10px; color: var(--ink-2); }
.edc-done b { font-family: var(--font-mono); }

/* ---------- sign in (dark band) ---------- */
.edc-signin { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(24px, 4vw, 56px); align-items: center; }
.edc-signin h2 { margin-top: 16px; }
.edc-signin .lead { margin-top: 18px; color: var(--void-muted); }
.edc-signin .edc-actions { margin-top: 0; justify-content: flex-end; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .edc-who, .edc-stand { grid-template-columns: 1fr 1fr; }
  .edc-built { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .edc-hero-grid, .edc-forms, .edc-signin { grid-template-columns: 1fr; }
  .edc-signin .edc-actions { justify-content: flex-start; }
  .edc-phases { grid-template-columns: 1fr 1fr; }
  .edc-phases li:nth-child(2) { border-right: 0; }
  .edc-phases li:nth-child(-n+2) { border-bottom: 1px solid var(--void-line); }
}
@media (max-width: 760px) {
  .edc-measures, .edc-points { grid-template-columns: 1fr; }
  /* the privacy table becomes one card per role */
  .edc-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .edc-table, .edc-table caption, .edc-table tbody, .edc-table tr, .edc-table th, .edc-table td { display: block; }
  .edc-table tr { padding: 10px 0 12px; border-bottom: 1px solid var(--line-2); }
  .edc-table tbody tr:last-child { border-bottom: 0; }
  .edc-table tbody th { padding: 6px 16px 4px; border: 0; font-family: var(--font-display); font-size: 1.02rem; }
  .edc-table td { display: grid; grid-template-columns: minmax(0, 42%) 1fr; gap: 10px; padding: 4px 16px; border: 0; }
  .edc-table td::before { content: attr(data-label); padding-top: 2px; font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
}
@media (max-width: 600px) {
  .edc-who, .edc-stand, .edc-built { grid-template-columns: 1fr; }
  .edc-phases { grid-template-columns: 1fr; }
  .edc-phases li { border-right: 0; border-bottom: 1px solid var(--void-line); }
  .edc-phases li:last-child { border-bottom: 0; }
}
@media (max-width: 420px) {
  .edc-panel { grid-template-columns: 1fr; }
  .edc-panel > div:first-child { grid-column: auto; }
}