/* ==========================================================================
   Master GDS — design tokens & shared UI
   Midnight + champagne gold, carried over from the original academy page.
   ========================================================================== */

:root {
  --midnight:      #0a192f;
  --midnight-soft: #112240;
  --midnight-line: #1d3557;
  --gold:          #d4af37;
  --gold-dark:     #aa8c2c;
  --gold-light:    #f3e5ab;

  --ink:      #16202f;
  --ink-soft: #5a6678;
  --paper:    #f7f8fa;
  --card:     #ffffff;
  --line:     #e3e6ec;

  --ok:    #1f8a5b;
  --warn:  #b8860b;
  --error: #b3261e;

  --radius: 2px;
  --shadow-sm: 0 1px 2px rgba(10, 25, 47, .06), 0 4px 12px rgba(10, 25, 47, .05);
  --shadow-lg: 0 20px 45px -18px rgba(10, 25, 47, .38);
  --gold-glow: 0 10px 30px -12px rgba(212, 175, 55, .45);

  --font-body: 'Montserrat', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  --wrap: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.25rem; }
p  { margin: 0 0 1em; }
a  { color: var(--gold-dark); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.eyebrow {
  font-size: .72rem; font-weight: 700; letter-spacing: .22em;
  text-transform: uppercase; color: var(--gold-dark); margin-bottom: .75rem;
}
.muted { color: var(--ink-soft); }
.center { text-align: center; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .85rem 1.75rem; border: 1px solid transparent; border-radius: var(--radius);
  font: inherit; font-size: .78rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; text-decoration: none; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-gold    { background: var(--gold); color: var(--midnight); box-shadow: var(--gold-glow); }
.btn-gold:hover:not(:disabled) { background: var(--gold-light); }
.btn-dark    { background: var(--midnight); color: #fff; }
.btn-dark:hover:not(:disabled) { background: var(--midnight-soft); }
.btn-outline { background: transparent; color: var(--midnight); border-color: var(--midnight); }
.btn-outline:hover:not(:disabled) { background: var(--midnight); color: #fff; }
.btn-ghost-gold { background: transparent; color: var(--gold); border-color: var(--gold); }
.btn-ghost-gold:hover:not(:disabled) { background: var(--gold); color: var(--midnight); }
.btn-sm { padding: .55rem 1.1rem; font-size: .7rem; }
.btn-block { width: 100%; }

/* ---------- top navigation ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 25, 47, .97); backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(212, 175, 55, .22);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .65rem; text-decoration: none; flex: none; }
.brand-mark {
  width: 36px; height: 36px; display: grid; place-items: center;
  border: 1px solid var(--gold); color: var(--gold); font-weight: 700; font-size: .95rem;
  font-family: var(--font-display);
}
.brand-name {
  font-family: var(--font-display); font-size: 1.28rem; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase; color: #fff; white-space: nowrap;
}
.brand-name span { color: var(--gold); }
.navlinks { display: flex; align-items: center; gap: 1.9rem; }
.navlinks a {
  color: #c6cedb; text-decoration: none; font-size: .76rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; transition: color .2s;
}
.navlinks a:hover, .navlinks a.active { color: var(--gold); }
.navactions { display: flex; align-items: center; gap: .7rem; }
.navtoggle { display: none; background: none; border: 0; color: var(--gold); font-size: 1.5rem; cursor: pointer; }

/* ---------- hero ---------- */
.hero {
  position: relative; background: var(--midnight); color: #fff; overflow: hidden;
  padding: clamp(4rem, 9vw, 7.5rem) 0;
}
.hero::before {
  content: ''; position: absolute; inset: 0; opacity: .22;
  background:
    radial-gradient(900px 420px at 78% 14%, rgba(212,175,55,.35), transparent 62%),
    radial-gradient(700px 500px at 8% 82%, rgba(91,139,199,.35), transparent 60%);
}
.hero .wrap { position: relative; }
.hero h1 { color: #fff; max-width: 15ch; }
.hero h1 em { font-style: normal; color: var(--gold); }
.hero p.lead { max-width: 56ch; color: #c6cedb; font-size: 1.06rem; font-weight: 300; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 2.8rem; margin-top: 3.4rem; }
.hero-stats div strong { display: block; font-family: var(--font-display); font-size: 2rem; color: var(--gold); }
.hero-stats div span { font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: #93a1b5; }
.tagpill {
  display: inline-block; padding: .35rem 1rem; margin-bottom: 1.4rem;
  border: 1px solid rgba(212,175,55,.5); color: var(--gold);
  font-size: .68rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase;
}

/* ---------- sections & cards ---------- */
.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section-dark { background: var(--midnight); color: #fff; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: #c6cedb; }
.section-soft { background: #fff; }
.section-head { max-width: 62ch; margin-bottom: 3rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.75rem; box-shadow: var(--shadow-sm);
}
.card h3 { margin-bottom: .4rem; }
.card p:last-child { margin-bottom: 0; }
.card-icon {
  width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: 1.1rem;
  background: var(--midnight); color: var(--gold); font-size: 1.35rem;
}

/* ---------- pricing ---------- */
.plan-toggle { display: inline-flex; border: 1px solid var(--line); background: #fff; margin: 0 auto 2.5rem; }
.plan-toggle button {
  padding: .6rem 1.5rem; border: 0; background: transparent; cursor: pointer;
  font: inherit; font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-soft);
}
.plan-toggle button.active { background: var(--midnight); color: #fff; }

.plans { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(245px, 1fr)); align-items: stretch; }
.plan {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--line); padding: 1.9rem 1.6rem; position: relative;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.plan:hover { border-color: var(--gold); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.plan-featured { background: var(--midnight); border: 2px solid var(--gold); color: #fff; box-shadow: var(--gold-glow); }
.plan-featured h3 { color: #fff; }
.plan-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--gold); color: var(--midnight); padding: .2rem 1rem;
  font-size: .63rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; white-space: nowrap;
}
.plan-level { font-size: .66rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--gold-dark); }
.plan-featured .plan-level { color: var(--gold); }
.plan-price { font-family: var(--font-display); font-size: 2.3rem; line-height: 1; margin: .6rem 0 .2rem; }
.plan-price small { font-family: var(--font-body); font-size: .72rem; font-weight: 600; color: var(--ink-soft); letter-spacing: .1em; }
.plan-featured .plan-price small { color: #9fb0c6; }
.plan ul { list-style: none; margin: 1.4rem 0; padding: 0; flex: 1; font-size: .87rem; }
.plan li { display: flex; gap: .6rem; align-items: flex-start; margin-bottom: .7rem; color: var(--ink-soft); }
.plan-featured li { color: #c6cedb; }
.plan li::before { content: '✓'; color: var(--gold); font-weight: 700; }
.plan li.excluded { opacity: .55; }
.plan li.excluded::before { content: '—'; color: #aab3c0; }

/* ---------- forms ---------- */
.auth-shell { min-height: calc(100vh - 76px); display: grid; place-items: center; padding: 3rem 20px; }
.auth-card { width: 100%; max-width: 440px; background: #fff; border: 1px solid var(--line); padding: 2.6rem; box-shadow: var(--shadow-lg); }
.field { margin-bottom: 1.15rem; }
.field label {
  display: block; margin-bottom: .4rem;
  font-size: .7rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft);
}
.field input, .field select, .field textarea {
  width: 100%; padding: .8rem .95rem; border: 1px solid var(--line); border-radius: var(--radius);
  font: inherit; font-size: .95rem; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(212,175,55,.18);
}
.field .hint { font-size: .76rem; color: var(--ink-soft); margin-top: .35rem; }

.notice { padding: .85rem 1.05rem; border-left: 3px solid; font-size: .88rem; margin-bottom: 1.2rem; display: none; }
.notice.show { display: block; }
.notice-error { background: #fdf0ef; border-color: var(--error); color: #8c1d18; }
.notice-ok    { background: #eff8f3; border-color: var(--ok);    color: #14633f; }
.notice-info  { background: #fdf8e9; border-color: var(--warn);  color: #7a5c07; }

/* ---------- newsletter ---------- */
.newsletter-form { display: flex; gap: .6rem; flex-wrap: wrap; max-width: 520px; }
.newsletter-form input { flex: 1 1 240px; padding: .9rem 1rem; border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.06); color: #fff; font: inherit; }
.newsletter-form input::placeholder { color: #8c9ab0; }
.newsletter-form input:focus { outline: none; border-color: var(--gold); }

/* ---------- footer ---------- */
.site-footer { background: #05101f; color: #8794a8; padding: 3.5rem 0 2rem; border-top: 1px solid rgba(212,175,55,.2); }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); margin-bottom: 2.5rem; }
.footer-grid h4 { color: #fff; font-family: var(--font-body); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; }
.footer-grid a { display: block; color: #8794a8; text-decoration: none; font-size: .88rem; margin-bottom: .45rem; }
.footer-grid a:hover { color: var(--gold); }
.footer-base { border-top: 1px solid rgba(255,255,255,.08); padding-top: 1.5rem; font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; }

/* ==========================================================================
   Logged-in learning area
   ========================================================================== */
.app-layout { display: grid; grid-template-columns: 252px 1fr; min-height: calc(100vh - 76px); }
.app-layout > * { min-width: 0; }
.app-side { background: var(--midnight); color: #c6cedb; padding: 1.75rem 0; border-right: 1px solid var(--midnight-line); }
.app-side .side-label { padding: 0 1.5rem; font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; color: #6b7c94; margin: 1.6rem 0 .6rem; }
.app-side a {
  display: flex; align-items: center; justify-content: space-between; gap: .6rem;
  padding: .72rem 1.5rem; color: #c6cedb; text-decoration: none; font-size: .9rem;
  border-left: 3px solid transparent; transition: background .18s, color .18s, border-color .18s;
}
.app-side a:hover { background: rgba(255,255,255,.04); color: #fff; }
.app-side a.active { background: rgba(212,175,55,.1); color: var(--gold); border-left-color: var(--gold); }
.app-side a.locked { color: #6b7c94; }
.app-main { padding: 2.25rem clamp(20px, 3vw, 2.75rem) 4rem; min-width: 0; }
.app-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 2rem; }
.app-head h1 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0; }

.lock-pill {
  font-size: .58rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  padding: .12rem .5rem; border: 1px solid currentColor; color: var(--gold-dark); white-space: nowrap;
}
.app-side .lock-pill { color: #6b7c94; }

.tier-chip {
  display: inline-flex; align-items: center; gap: .5rem; padding: .3rem .85rem;
  background: rgba(212,175,55,.14); border: 1px solid rgba(212,175,55,.45); color: var(--gold-dark);
  font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
}

.stat-row { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); margin-bottom: 2.25rem; }
.stat { background: #fff; border: 1px solid var(--line); padding: 1.25rem 1.4rem; }
.stat strong { display: block; font-family: var(--font-display); font-size: 1.85rem; color: var(--midnight); line-height: 1.1; }
.stat span { font-size: .68rem; letter-spacing: .15em; text-transform: uppercase; color: var(--ink-soft); }

.tile-grid { display: grid; gap: 1.1rem; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); }
.tile {
  display: block; background: #fff; border: 1px solid var(--line); padding: 1.5rem;
  text-decoration: none; color: inherit; transition: border-color .2s, transform .2s, box-shadow .2s;
}
.tile:hover { border-color: var(--gold); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.tile-locked { background: #f2f3f6; border-style: dashed; }
.tile-locked:hover { transform: none; border-color: var(--line); box-shadow: none; }
.tile-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: .9rem; }
.tile-ico { width: 44px; height: 44px; display: grid; place-items: center; background: var(--midnight); color: var(--gold); font-size: 1.1rem; }
.tile-locked .tile-ico { background: #d7dae1; color: #8b93a1; }
.tile h3 { font-size: 1.05rem; margin-bottom: .3rem; }
.tile p { font-size: .86rem; color: var(--ink-soft); margin: 0; }

.panel { background: #fff; border: 1px solid var(--line); padding: 1.6rem; margin-bottom: 1.25rem; }
.panel h3 { margin-bottom: 1rem; }

.qa-item { background: #fff; border: 1px solid var(--line); margin-bottom: .7rem; }
.qa-q {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  padding: 1.05rem 1.3rem; font: inherit; font-weight: 600; color: var(--midnight);
  display: flex; gap: 1rem; align-items: flex-start; justify-content: space-between;
}
.qa-q:hover { background: #fafbfc; }
.qa-a { display: none; padding: 0 1.3rem 1.3rem; border-top: 1px solid var(--line); }
.qa-item.open .qa-a { display: block; }
.qa-a ol { padding-left: 1.2rem; font-size: .9rem; color: var(--ink-soft); }
.qa-meta { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .9rem; }
.chip { font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; padding: .2rem .6rem; background: #eef0f4; color: var(--ink-soft); font-weight: 700; }

.video-item { display: flex; gap: 1rem; background: #fff; border: 1px solid var(--line); padding: 1.1rem 1.3rem; margin-bottom: .65rem; align-items: center; }
.video-thumb { width: 54px; height: 54px; flex: none; display: grid; place-items: center; background: var(--midnight); color: var(--gold); font-size: 1.2rem; }
.video-item h4 { margin: 0 0 .15rem; font-family: var(--font-body); font-size: .98rem; }
.video-item p { margin: 0; font-size: .84rem; color: var(--ink-soft); }
.video-dur { margin-left: auto; font-size: .76rem; color: var(--ink-soft); font-variant-numeric: tabular-nums; }

.class-item { display: flex; gap: 1.2rem; align-items: center; background: #fff; border: 1px solid var(--line); padding: 1.2rem 1.4rem; margin-bottom: .7rem; flex-wrap: wrap; }
.class-date { width: 74px; flex: none; text-align: center; background: var(--midnight); color: #fff; padding: .5rem; }
.class-date strong { display: block; font-family: var(--font-display); font-size: 1.5rem; color: var(--gold); line-height: 1; }
.class-date span { font-size: .6rem; letter-spacing: .14em; text-transform: uppercase; }

.frame-shell { border: 1px solid var(--line); background: #000; height: calc(100vh - 210px); min-height: 460px; }
.frame-shell iframe { width: 100%; height: 100%; border: 0; display: block; }

.upsell {
  background: var(--midnight); color: #fff; padding: 2.4rem; text-align: center;
  border: 1px solid rgba(212,175,55,.4);
}
.upsell h2 { color: #fff; }
.upsell p { color: #c6cedb; max-width: 54ch; margin-inline: auto; }

.empty { text-align: center; padding: 3rem 1rem; color: var(--ink-soft); }
.spinner { text-align: center; padding: 3rem 1rem; color: var(--ink-soft); font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; }

table.data { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.data th, table.data td { text-align: left; padding: .7rem .9rem; border-bottom: 1px solid var(--line); }
table.data th { font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .app-layout { grid-template-columns: minmax(0, 1fr); }
  .app-side { display: flex; overflow-x: auto; -webkit-overflow-scrolling: touch; padding: .5rem; gap: .25rem; border-right: 0; border-bottom: 1px solid var(--midnight-line); }
  .app-side .side-label { display: none; }
  .app-side a { white-space: nowrap; border-left: 0; border-bottom: 3px solid transparent; padding: .6rem .9rem; }
  .app-side a.active { border-left: 0; border-bottom-color: var(--gold); }
  .app-side .lock-pill { display: none; }
}
@media (max-width: 780px) {
  .navtoggle { display: block; }
  .topbar .wrap { height: auto; min-height: 68px; flex-wrap: nowrap; padding-block: .6rem; }
  .navactions { flex-wrap: wrap; justify-content: flex-end; gap: .4rem; }
  .navactions .tier-chip { display: none; }
  .brand-name { font-size: 1.05rem; letter-spacing: .1em; }
  .btn-sm { padding: .5rem .8rem; font-size: .64rem; letter-spacing: .08em; }
  .navlinks {
    position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: flex-start;
    gap: 0; background: var(--midnight); border-bottom: 1px solid rgba(212,175,55,.22); padding: .5rem 20px 1.2rem;
  }
  .navlinks:not(.open) { display: none; }
  .navlinks a { padding: .7rem 0; width: 100%; }
  .hero-stats { gap: 1.8rem; }
}

@media (max-width: 520px) {
  .brand-mark { width: 30px; height: 30px; font-size: .82rem; }
  .brand-name { font-size: .92rem; letter-spacing: .08em; }
  .navactions { gap: .3rem; }
  .btn-sm { padding: .45rem .65rem; font-size: .6rem; }
  .hero-stats { gap: 1.2rem 2rem; }
  .card, .panel, .plan { padding: 1.25rem; }
  .auth-card { padding: 1.75rem; }
}

/* ==========================================================================
   GDS workspace — tool viewer & reference sections
   ========================================================================== */
.ws {
  display: flex; flex-direction: column;
  height: calc(100vh - 76px);
  background: var(--midnight);
}
.ws-bar {
  display: flex; align-items: center; gap: .9rem;
  padding: .7rem 1.1rem;
  background: linear-gradient(180deg, #13243d, #0d1b2f);
  border-bottom: 1px solid rgba(212,175,55,.22);
  flex: none;
}
.ws-back {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .45rem .9rem; border-radius: 100px;
  border: 1px solid rgba(212,175,55,.45);
  background: rgba(212,175,55,.08); color: var(--gold-light);
  font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  text-decoration: none; cursor: pointer;
  transition: background .22s, transform .22s var(--ws-ease, cubic-bezier(.16,1,.3,1));
}
.ws-back:hover { background: rgba(212,175,55,.2); transform: translateY(-1px); }
.ws-title { display: flex; flex-direction: column; min-width: 0; }
.ws-title strong {
  font-family: var(--font-display); font-size: 1.02rem; color: #fff; line-height: 1.15;
}
.ws-title span {
  font-size: .64rem; letter-spacing: .14em; text-transform: uppercase; color: #7d8ea6;
}
.ws-actions { margin-left: auto; display: flex; gap: .5rem; align-items: center; }
.ws-btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .45rem .85rem; border-radius: 8px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.05); color: #c6cedb;
  font-size: .66rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  cursor: pointer; text-decoration: none;
  transition: background .22s, border-color .22s, color .22s;
}
.ws-btn:hover { background: rgba(212,175,55,.16); border-color: rgba(212,175,55,.5); color: var(--gold-light); }
.ws-btn svg { width: 13px; height: 13px; }
.ws-frame { flex: 1; min-height: 0; border: 0; width: 100%; display: block; background: #05101f; }
.ws-loading {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: var(--midnight); color: #7d8ea6;
  font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  transition: opacity .4s ease; pointer-events: none;
}
.ws-loading.gone { opacity: 0; }
.ws-body { position: relative; flex: 1; min-height: 0; display: flex; }

/* full-bleed: the workspace takes the whole viewport, sidebar hidden */
body.ws-full .app-side,
body.ws-full .topbar { display: none !important; }
body.ws-full .app-layout { grid-template-columns: 1fr !important; }
body.ws-full .app-main { padding: 0 !important; }
body.ws-full .ws { height: 100vh; }

/* ---------- section launcher grid ---------- */
.launch {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
}
.launch-card {
  position: relative; display: flex; flex-direction: column;
  padding: 1.5rem; border-radius: 12px;
  background: #fff; border: 1px solid var(--line);
  text-decoration: none; color: inherit; overflow: hidden;
  transition: transform .34s cubic-bezier(.16,1,.3,1), box-shadow .34s, border-color .34s;
}
.launch-card:hover {
  transform: translateY(-4px); border-color: rgba(212,175,55,.65);
  box-shadow: 0 24px 46px -24px rgba(10,25,47,.5);
}
.launch-card.locked { background: #f2f3f6; border-style: dashed; }
.launch-card.locked:hover { transform: none; border-color: var(--line); box-shadow: none; }
.launch-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.launch-ico {
  width: 46px; height: 46px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(145deg, var(--midnight), #1d3557); color: var(--gold);
}
.launch-ico svg { width: 21px; height: 21px; }
.launch-card.locked .launch-ico { background: #d7dae1; color: #8b93a1; }
.launch-card h3 { font-size: 1.06rem; margin-bottom: .3rem; }
.launch-card p { font-size: .87rem; color: var(--ink-soft); margin: 0; }
.launch-meta {
  margin-top: 1rem; padding-top: .9rem; border-top: 1px solid var(--line);
  font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gold-dark);
  display: flex; align-items: center; gap: .4rem;
}
.launch-card.locked .launch-meta { color: var(--ink-soft); }

@media (max-width: 900px) {
  .ws { height: calc(100vh - 140px); }
  .ws-bar { flex-wrap: wrap; gap: .6rem; padding: .6rem .75rem; }
  .ws-title strong { font-size: .92rem; }
  .ws-actions { width: 100%; }
}

/* ---------- carrier / entity detail sheet (dashboard pages) ---------- */
.mg-sheet { position: fixed; inset: 0; z-index: 900; display: none; align-items: center; justify-content: center; padding: 20px; }
.mg-sheet.open { display: flex; }
.mg-sheet .mg-backdrop { position: absolute; inset: 0; background: rgba(3,9,18,.72); backdrop-filter: blur(6px); }
.mg-sheet .mg-card {
  position: relative; width: min(560px, 100%); max-height: min(86vh, 700px); overflow-y: auto;
  background: linear-gradient(165deg, #12203a, #0a1424 65%);
  border: 1px solid rgba(212,175,55,.34); border-radius: 18px;
  box-shadow: 0 50px 90px -34px rgba(0,0,0,.9); color: #e8eefb;
  animation: mgRise .4s cubic-bezier(.16,1,.3,1);
}
@keyframes mgRise { from { opacity: 0; transform: translateY(20px) scale(.976); } }
.mg-sheet .mg-head { padding: 26px 26px 18px; border-bottom: 1px solid rgba(255,255,255,.09); }
.mg-sheet .mg-tagrow { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 11px; }
.mg-sheet .mg-iata { font-family: ui-monospace,'SF Mono',monospace; font-size: .74rem; font-weight: 700;
  letter-spacing: .1em; background: var(--gold); color: var(--midnight); padding: 4px 10px; border-radius: 6px; }
.mg-sheet .mg-alliance { font-size: .62rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  padding: 4px 11px; border-radius: 100px; border: 1px solid; }
.mg-sheet h2 { margin: 0; font-size: 1.5rem; color: #fff; font-family: var(--font-display); }
.mg-sheet .mg-sub { margin: 5px 0 0; font-size: .84rem; color: #9fb0c6; }
.mg-sheet .mg-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1px;
  background: rgba(255,255,255,.08); border-top: 1px solid rgba(255,255,255,.08); }
.mg-sheet .mg-cell { background: #0c1728; padding: 15px 18px; }
.mg-sheet .mg-k { font-size: .6rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold);
  margin-bottom: 5px; font-weight: 700; }
.mg-sheet .mg-v { font-size: .93rem; color: #e8eefb; line-height: 1.45; }
.mg-sheet .mg-v.mono { font-family: ui-monospace,'SF Mono',monospace; }
.mg-sheet .mg-foot { padding: 15px 22px 20px; display: flex; justify-content: flex-end; }
.mg-sheet .mg-close { background: var(--gold); color: var(--midnight); border: 0; padding: 10px 22px;
  border-radius: 100px; cursor: pointer; font-weight: 700; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
@media (max-width: 560px) { .mg-sheet .mg-grid { grid-template-columns: 1fr; } }

/* ==========================================================================
   Practice — flashcards & drills
   ========================================================================== */
.study-wrap { max-width: 780px; margin: 0 auto; }
.study-bar {
  display: flex; align-items: center; gap: 1rem; margin-bottom: 1.6rem;
  font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft);
}
.study-bar .track { flex: 1; height: 5px; border-radius: 100px; background: var(--line); overflow: hidden; }
.study-bar .fill { height: 100%; background: linear-gradient(90deg, var(--gold-dark), var(--gold)); transition: width .45s cubic-bezier(.16,1,.3,1); }

.card3d { perspective: 1400px; margin-bottom: 1.4rem; }
.card3d-inner {
  position: relative; min-height: 260px; border-radius: 16px;
  transition: transform .62s cubic-bezier(.16,1,.3,1); transform-style: preserve-3d;
}
.card3d.flipped .card3d-inner { transform: rotateX(180deg); }
.card3d-face {
  position: absolute; inset: 0; backface-visibility: hidden;
  display: flex; flex-direction: column; justify-content: center;
  padding: 2.2rem; border-radius: 16px; border: 1px solid var(--line); background: #fff;
  box-shadow: 0 24px 46px -28px rgba(10,25,47,.4);
}
.card3d-back { transform: rotateX(180deg); background: linear-gradient(165deg, #12203a, #0a1424); border-color: rgba(212,175,55,.34); color: #e8eefb; }
.card3d-face .k { font-size: .6rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold-dark); margin-bottom: .9rem; }
.card3d-back .k { color: var(--gold); }
.card3d-face .q { font-family: var(--font-display); font-size: 1.24rem; line-height: 1.4; color: var(--midnight); }
.card3d-back .q { color: #fff; font-family: var(--font-body); font-size: 1rem; line-height: 1.62; font-weight: 400; }
.card-hint { text-align: center; font-size: .72rem; color: var(--ink-soft); margin-bottom: 1.2rem; }

.grade-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: .6rem; }
.grade {
  padding: .85rem .4rem; border-radius: 10px; cursor: pointer; border: 1px solid var(--line);
  background: #fff; font: inherit; font-size: .72rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--ink-soft);
  transition: transform .22s cubic-bezier(.16,1,.3,1), border-color .22s, color .22s, background .22s;
}
.grade:hover { transform: translateY(-2px); }
.grade small { display: block; font-size: .6rem; font-weight: 500; letter-spacing: .04em; text-transform: none; opacity: .7; margin-top: .2rem; }
.grade.g0:hover { border-color: #b3261e; color: #b3261e; }
.grade.g1:hover { border-color: #b8860b; color: #b8860b; }
.grade.g2:hover { border-color: var(--gold-dark); color: var(--gold-dark); }
.grade.g3:hover { border-color: var(--ok); color: var(--ok); }

.drill {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 1.3rem 1.5rem; margin-bottom: .8rem;
  transition: border-color .26s, box-shadow .26s;
}
.drill.passed { border-color: rgba(31,138,91,.45); background: linear-gradient(180deg,#fff,#f4fbf7); }
.drill-top { display: flex; align-items: center; gap: .6rem; margin-bottom: .5rem; }
.drill-task { font-size: .97rem; color: var(--midnight); font-weight: 600; margin: 0 0 .9rem; }
.drill-row { display: flex; gap: .6rem; flex-wrap: wrap; }
.drill-row input {
  flex: 1 1 260px; padding: .7rem .9rem; border-radius: 8px; border: 1px solid var(--line);
  font-family: ui-monospace,'SF Mono',Menlo,monospace; font-size: .92rem; text-transform: uppercase;
}
.drill-row input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(212,175,55,.18); }
.drill-msg { margin-top: .7rem; font-size: .82rem; }
.drill-msg.ok { color: var(--ok); } .drill-msg.no { color: var(--error); }

.cert {
  background: linear-gradient(160deg,#12203a,#0a1424); border: 1px solid rgba(212,175,55,.4);
  border-radius: 16px; padding: 2.2rem; color: #e8eefb; text-align: center;
}
.cert h2 { color: #fff; font-size: 1.5rem; }
.cert .code {
  font-family: ui-monospace,monospace; font-size: 1.1rem; letter-spacing: .18em;
  color: var(--gold); margin: .8rem 0;
}
@media (max-width: 560px) { .grade-row { grid-template-columns: repeat(2,1fr); } }

/* ==========================================================================
   Countries explorer
   ========================================================================== */
.cty-grid { display:grid; gap:.85rem; grid-template-columns:repeat(auto-fill,minmax(212px,1fr)); }
.cty {
  position:relative; background:#fff; border:1px solid var(--line); border-radius:12px;
  padding:1.1rem 1.15rem; cursor:pointer; overflow:hidden;
  transition:transform .3s cubic-bezier(.16,1,.3,1), box-shadow .3s, border-color .3s;
}
.cty:hover { transform:translateY(-4px); border-color:rgba(212,175,55,.65); box-shadow:0 22px 40px -22px rgba(10,25,47,.45); }
.cty::after { content:''; position:absolute; left:0; top:0; bottom:0; width:4px; background:var(--tcc,#8fa6c4); }
.cty .flag { font-size:1.65rem; line-height:1; display:block; margin-bottom:.55rem; }
.cty h4 { margin:0 0 .15rem; font-family:var(--font-body); font-size:.95rem; font-weight:700; color:var(--midnight); }
.cty .cap { margin:0; font-size:.78rem; color:var(--ink-soft); }
.cty .tcbadge {
  position:absolute; right:.8rem; top:.9rem; font-size:.56rem; font-weight:700;
  letter-spacing:.1em; padding:.2rem .45rem; border-radius:5px; color:#fff;
}
.cty .air { margin-top:.6rem; font-size:.73rem; color:var(--gold-dark); font-weight:600;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }

.filterbar { display:flex; gap:.5rem; flex-wrap:wrap; margin-bottom:1.3rem; }
.chipbtn {
  padding:.5rem 1rem; border-radius:100px; border:1px solid var(--line); background:#fff;
  font:inherit; font-size:.72rem; font-weight:700; letter-spacing:.06em; color:var(--ink-soft);
  cursor:pointer; transition:transform .22s cubic-bezier(.16,1,.3,1), border-color .22s, background .22s, color .22s;
}
.chipbtn:hover { transform:translateY(-2px); }
.chipbtn.on { background:var(--midnight); color:#fff; border-color:var(--midnight); }
.chipbtn.on.tc1 { background:#e8975a; border-color:#e8975a; color:#2a1a08; }
.chipbtn.on.tc2 { background:#5fbf8f; border-color:#5fbf8f; color:#08231a; }
.chipbtn.on.tc3 { background:#6aa9e8; border-color:#6aa9e8; color:#061a2c; }

/* quiz mode */
.quizcard { max-width:620px; margin:0 auto; }
.quizq { font-family:var(--font-display); font-size:1.5rem; color:var(--midnight); text-align:center; margin:1.6rem 0 1.8rem; }
.quizopts { display:grid; gap:.6rem; grid-template-columns:repeat(2,1fr); }
.quizopt {
  padding:1rem; border-radius:10px; border:1px solid var(--line); background:#fff;
  font:inherit; font-size:.92rem; font-weight:600; cursor:pointer; color:var(--midnight);
  transition:transform .2s cubic-bezier(.16,1,.3,1), border-color .2s, background .2s;
}
.quizopt:hover:not(:disabled) { transform:translateY(-2px); border-color:var(--gold); }
.quizopt.right { background:rgba(31,138,91,.12); border-color:var(--ok); color:var(--ok); }
.quizopt.wrong { background:rgba(179,38,30,.1); border-color:var(--error); color:var(--error); }
.quizscore { text-align:center; font-size:.76rem; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-soft); }
@media (max-width:560px){ .quizopts{grid-template-columns:1fr} }

/* ==========================================================================
   Progress
   ========================================================================== */
.pstat-row { display:grid; gap:1rem; grid-template-columns:repeat(auto-fit,minmax(168px,1fr)); margin-bottom:2rem; }
.pstat {
  background:#fff; border:1px solid var(--line); border-radius:12px; padding:1.3rem 1.4rem;
  position:relative; overflow:hidden;
}
.pstat::after { content:''; position:absolute; left:0; top:0; bottom:0; width:3px; background:var(--gold); }
.pstat strong { display:block; font-family:var(--font-display); font-size:2rem; line-height:1; color:var(--midnight); }
.pstat span { font-size:.66rem; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-soft); }
.pstat em { display:block; font-style:normal; font-size:.76rem; color:var(--gold-dark); margin-top:.35rem; font-weight:600; }

.ring { --p:0; width:104px; height:104px; border-radius:50%; flex:none;
  background:conic-gradient(var(--gold) calc(var(--p)*1%), var(--line) 0);
  display:grid; place-items:center; position:relative; }
.ring::before { content:''; position:absolute; inset:9px; background:#fff; border-radius:50%; }
.ring b { position:relative; font-family:var(--font-display); font-size:1.4rem; color:var(--midnight); }

.grp { background:#fff; border:1px solid var(--line); border-radius:12px; padding:1.3rem 1.5rem; margin-bottom:.9rem; }
.grp-head { display:flex; align-items:center; gap:.8rem; margin-bottom:.9rem; }
.grp-head h3 { margin:0; font-size:1rem; }
.grp-head .n { margin-left:auto; font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-soft); }
.grp-bar { height:5px; border-radius:100px; background:var(--line); overflow:hidden; margin-bottom:1rem; }
.grp-bar i { display:block; height:100%; background:linear-gradient(90deg,var(--gold-dark),var(--gold)); transition:width .5s cubic-bezier(.16,1,.3,1); }
.grp-items { display:grid; gap:.45rem; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); }
.grp-item { display:flex; align-items:center; gap:.55rem; font-size:.87rem; color:var(--ink-soft); }
.grp-item.done { color:var(--midnight); font-weight:600; }
.tickbox { width:17px; height:17px; border-radius:5px; border:1.5px solid var(--line); flex:none;
  display:grid; place-items:center; font-size:.66rem; color:#fff; }
.grp-item.done .tickbox { background:var(--ok); border-color:var(--ok); }

.feed { list-style:none; margin:0; padding:0; }
.feed li { display:flex; align-items:center; gap:.8rem; padding:.7rem 0; border-bottom:1px solid var(--line); font-size:.88rem; }
.feed li:last-child { border-bottom:0; }
.feed .dot { width:8px; height:8px; border-radius:50%; flex:none; }
.feed time { margin-left:auto; font-size:.74rem; color:var(--ink-soft); white-space:nowrap; }