/* =====================================================================
   4orm Finance, Education Sandbox
   Shared design system  ·  Clean white / box layout (Desjardins-style)
   Brand colors kept: 4orm blue + gold accents on a white base.
   ===================================================================== */

:root {
  /* ===== Surfaces, light/white base ===== */
  --bg:            #FFFFFF;   /* white page */
  --bg-2:          #F4F7FB;   /* light section band */
  --surface:       #FFFFFF;   /* card */
  --surface-2:     #F4F7FB;   /* raised / hover */
  --surface-3:     #EAEFF6;   /* input track */
  --border:        #E3E9F2;   /* hairline border */
  --border-strong: #CCD6E4;

  /* ===== Ink ===== */
  --text:   #142036;   /* deep navy heading/body */
  --text-2: #46556E;   /* secondary body */
  --text-3: #5E6E88;   /* muted (WCAG AA on white, ~5.0:1) */

  /* ===== 4orm brand blue ===== */
  --brand:     #2E6BF2;   /* electric blue (primary) */
  --brand-600: #1F57D6;   /* hover (darker on white) */
  --brand-700: #1B4ABE;   /* deep blue for text on white */
  --brand-50:  #EAF1FE;   /* light blue fill */
  --brand-100: #CFE0FD;   /* light blue border */

  /* ===== 4orm gold accent ===== */
  --gold:     #E7C76C;   /* logo gold (mark, accents) */
  --gold-2:   #C49A3A;   /* deeper gold */
  --gold-ink: #8A6712;   /* gold text on white */
  --gold-50:  #FBF3DC;   /* light gold fill */
  --gold-100: #F1E2B4;   /* light gold border */

  /* ===== Semantic (tuned for white) ===== */
  --success:    #0E8A5F;
  --success-bg: #E3F6EE;
  --warn:       #8F5C12;   /* WCAG AA on white, ~5.5:1 */
  --warn-bg:    #FBF1DC;
  --danger:     #D6334E;
  --danger-bg:  #FCE6EA;
  --info:       #1B7BB5;
  --info-bg:    #E3F2FB;

  /* ===== Radii + shadow (soft, for white) ===== */
  --r-xs: 6px;
  --r-sm: 9px;
  --r:    13px;
  --r-lg: 18px;
  --r-xl: 26px;

  --shadow-sm: 0 1px 2px rgba(16, 32, 64, .06);
  --shadow:    0 8px 26px rgba(16, 32, 64, .09);
  --shadow-lg: 0 20px 52px rgba(16, 32, 64, .13);

  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: var(--font-sans);
  --font-ui:      var(--font-sans);
  --font-mono:    ui-monospace, 'SF Mono', 'JetBrains Mono', Menlo, Consolas, monospace;

  --maxw: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  color-scheme: light;
}

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.18; margin: 0 0 .5em; letter-spacing: -0.02em; font-weight: 750; color: var(--text); }
.h-it { color: var(--brand); font-weight: 800; }   /* brand-colored emphasis */
h1 { font-size: clamp(2rem, 4.4vw, 3.3rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); }
h3 { font-size: 1.22rem; }
h4 { font-size: 1rem; }
p  { margin: 0 0 1em; color: var(--text-2); }
a  { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-700); }

.muted   { color: var(--text-3); }
.t2      { color: var(--text-2); }
.center  { text-align: center; }
.mono    { font-family: var(--font-mono); }
.nowrap  { white-space: nowrap; }
.eyebrow {
  font-size: .74rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--brand);
}
/* KCS-style eyebrow with leading tick / dot */
.s-eye { display: flex; align-items: center; gap: .7rem; margin-bottom: 1rem; }
.s-eye .tick { width: 30px; height: 1px; background: var(--gold-2); flex: none; }
.s-eye .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--gold-2); flex: none; }
.s-eye .txt { font-family: var(--font-ui); font-size: .74rem; font-weight: 700; letter-spacing: .2em;
  text-transform: uppercase; color: var(--brand); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.section { padding: 104px 0; }
.section.tight { padding: 64px 0; }
.section-band { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* --------------------------------------------------- Top navigation */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1560px; width: 100%; margin: 0 auto; padding: 10px 28px;
  min-height: 80px; display: flex; align-items: center; gap: 0;
  flex-wrap: nowrap; /* keep the logo and menu on one row, side by side */
  justify-content: space-between;
  box-sizing: border-box;
  /* One single evenly-spaced row across the entire nav. .nav-links uses
     display:contents so the brand, every menu item, the dropdown, and the
     Log in pill all participate as direct flex children of .nav-inner.
     justify-content:space-between puts the brand at the left, Log in at the
     right, and distributes every menu item between them with equal gaps. */
}
.nav-inner .brand { margin-right: 0; }
/* on phones, let the brand sit on its own row so the menu can stack below it */
@media (max-width: 560px){ .nav-inner { flex-wrap: wrap; } }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800;
  font-size: 1.15rem; letter-spacing: -.03em; color: var(--text); flex: 0 0 auto; }
.brand:hover { color: var(--text); }
.brand .mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: #15233F; display: grid; place-items: center;
  font-weight: 800; font-size: 1.05rem; box-shadow: 0 2px 8px rgba(196,154,58,.30);
}
.brand .sub { font-weight: 600; font-size: .72rem; color: var(--text-3);
  letter-spacing: .04em; text-transform: uppercase; margin-left: 2px; }
.brand-logo { height: 51px; width: auto; display: block; }
@media (max-width: 760px){ .brand-logo { height: 38px; } }
/* Make nav-links transparent to the flex layout so its children (each <a>
   and the .nav-drop) participate as direct flex children of .nav-inner. */
.nav-links { display: contents; }
.nav-links a.nav-auth { padding: 7px 16px; border-radius: 99px;
  border: 1px solid var(--brand-100); background: var(--brand-50); color: var(--brand-700); font-weight: 700; font-size: .9rem; }
.nav-links a.nav-auth:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.nav-links a {
  padding: 7px 6px; border-radius: 8px; color: var(--text-2); white-space: nowrap;
  font-weight: 600; font-size: .84rem; transition: background .15s, color .15s;
}
/* on tablets/phones the nav becomes a real flex container again so it can wrap */
@media (max-width: 760px){
  .nav-inner { flex-wrap: wrap; }
  .nav-links { display: flex; flex-wrap: wrap; gap: 4px; width: 100%; align-items: center; }
}
.nav-links a:hover { background: var(--surface-2); color: var(--text); }
.nav-links a.active { color: var(--brand-700); background: var(--brand-50); }
.nav-sep { width:1px; height:18px; background:var(--border); margin:0 5px; flex:none; }
@media (max-width:760px){ .nav-sep { display:none; } }

/* dropdown nav */
.nav-drop { position: relative; }
.nav-drop > .nav-drop-trigger {
  display: inline-flex; align-items: center; gap: 4px; cursor: pointer; white-space: nowrap; user-select: none;
  padding: 7px 6px; border-radius: 8px; color: var(--text-2); font-weight: 600; font-size: .84rem;
  transition: background .15s, color .15s;
}
.nav-drop > .nav-drop-trigger:hover { background: var(--surface-2); color: var(--text); }
.nav-drop > .nav-drop-trigger.active { color: var(--brand-700); background: var(--brand-50); }
.nav-drop-trigger .caret { font-size: .6rem; color: var(--text-3); margin-top: 1px; transition: transform .15s; }
.nav-drop:hover .caret { transform: translateY(1px); }
/* gap-free, lingering menu so it stays open while you move to an item */
.nav-drop-menu {
  position: absolute; top: 100%; left: 0; min-width: 210px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r);
  box-shadow: var(--shadow); padding: 8px; display: flex; flex-direction: column; gap: 2px; z-index: 60;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .16s ease, transform .16s ease, visibility 0s linear .3s;
}
.nav-drop:hover > .nav-drop-menu, .nav-drop:focus-within > .nav-drop-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
  transition: opacity .16s ease, transform .16s ease, visibility 0s;
}
.nav-drop-menu a { display: block; padding: 9px 12px; border-radius: 8px; white-space: nowrap;
  font-size: .88rem; font-weight: 600; color: var(--text-2); text-transform: none; letter-spacing: 0; }
.nav-drop-menu a:hover { background: var(--surface-2); color: var(--text); }
.nav-drop-menu a.active { color: var(--brand-700); background: var(--brand-50); }
@media (max-width: 760px){
  .nav-drop { width: 100%; }
  .nav-drop-menu { position: static; opacity: 1; visibility: visible; transform: none; display: flex;
    box-shadow: none; border: none; padding: 2px 0 6px 14px; min-width: 0; }
  .nav-drop-trigger .caret { display: none; }
}
@media (max-width: 760px){
  .nav-links { margin-left: 0; width: 100%; gap: 2px 4px; }
  .nav-links a { padding: 6px 9px; font-size: .85rem; }
}

/* --------------------------------------------------- Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-weight: 650; font-size: .95rem;
  padding: 11px 20px; border-radius: 10px; border: 1px solid transparent;
  cursor: pointer; transition: transform .12s, box-shadow .15s, background .15s, border-color .15s;
  text-decoration: none; white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--brand-600); color: #fff; box-shadow: var(--shadow); }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); border-color: var(--brand-100); }
.btn-soft { background: var(--brand-50); color: var(--brand-700); }
.btn-soft:hover { background: var(--brand-100); color: var(--brand-700); }
.btn-gold { background: var(--gold); color: #15233F; box-shadow: var(--shadow-sm); }
.btn-gold:hover { background: var(--gold-2); color: #15233F; box-shadow: var(--shadow); }
.btn-sm { padding: 7px 13px; font-size: .85rem; border-radius: 8px; }
.btn-lg { padding: 14px 26px; font-size: 1.02rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* --------------------------------------------------- Cards / panels */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); box-shadow: var(--shadow-sm);
}
.card.pad { padding: 26px; }
.panel {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 18px;
}
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* --------------------------------------------------- Box tiles (Desjardins-style) */
.tile-grid { display: grid; gap: 20px; }
.tile-grid.c2 { grid-template-columns: repeat(2, 1fr); }
.tile-grid.c3 { grid-template-columns: repeat(3, 1fr); }
.tile-grid.c4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .tile-grid.c3, .tile-grid.c4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .tile-grid.c2, .tile-grid.c3, .tile-grid.c4 { grid-template-columns: 1fr; } }

.tile {
  display: flex; flex-direction: column; gap: 9px; height: 100%;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 24px 24px 22px;
  box-shadow: var(--shadow-sm); text-decoration: none; color: inherit;
  transition: transform .16s ease, box-shadow .2s ease, border-color .2s ease;
}
a.tile:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--brand-100); }
.tile .tile-ico {
  width: 46px; height: 46px; border-radius: 12px; flex: none;
  background: var(--brand-50); color: var(--brand); display: grid; place-items: center; margin-bottom: 4px;
}
.tile .tile-ico svg { width: 23px; height: 23px; }
.tile.gold .tile-ico { background: var(--gold-50); color: var(--gold-ink); }
.tile h3 { margin: 0; font-size: 1.08rem; }
.tile p  { margin: 0; font-size: .92rem; color: var(--text-2); }
.tile .tile-link {
  margin-top: auto; padding-top: 12px; color: var(--brand); font-weight: 700; font-size: .9rem;
  display: inline-flex; align-items: center; gap: 6px; transition: gap .15s;
}
a.tile:hover .tile-link { gap: 10px; color: var(--brand-700); }
.tile .tag { align-self: flex-start; font-size: .68rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: .07em; color: var(--gold-ink); background: var(--gold-50);
  border: 1px solid var(--gold-100); border-radius: 99px; padding: 3px 9px; }

/* --------------------------------------------------- Chips / status */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 11px; border-radius: 999px; font-size: .78rem; font-weight: 650;
  border: 1px solid transparent; line-height: 1.5;
}
.chip .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.chip-success { color: var(--success); background: var(--success-bg); }
.chip-warn    { color: var(--warn);    background: var(--warn-bg); }
.chip-danger  { color: var(--danger);  background: var(--danger-bg); }
.chip-info    { color: var(--info);    background: var(--info-bg); }
.chip-neutral { color: var(--text-2);  background: var(--surface-2); }
.chip-brand   { color: var(--brand-700); background: var(--brand-50); }
.chip-pending { color: var(--brand-700); background: var(--brand-50); }

/* spinner */
.spinner {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--brand-100); border-top-color: var(--brand);
  animation: spin .7s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --------------------------------------------------- Hash / code */
.hash {
  font-family: var(--font-mono); font-size: .82rem; color: var(--text-2);
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 7px; padding: 2px 8px; cursor: copy; transition: background .15s;
  display: inline-flex; align-items: center; gap: 6px;
}
.hash:hover { background: var(--surface-3); }
.hash.copied { color: var(--success); background: var(--success-bg); border-color: transparent; }

/* --------------------------------------------------- Forms */
label.field { display: block; margin-bottom: 14px; }
label.field .lab { display: block; font-size: .82rem; font-weight: 650;
  color: var(--text-2); margin-bottom: 5px; }
.input, select.input, textarea.input {
  width: 100%; font-family: inherit; font-size: .95rem; color: var(--text);
  padding: 10px 12px; border: 1px solid var(--border-strong);
  border-radius: 9px; background: var(--surface); transition: border-color .15s, box-shadow .15s;
}
.input:focus, select.input:focus, textarea.input:focus {
  outline: none; border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(46,107,242,.35);
}

/* --------------------------------------------------- Accessibility: focus-visible across interactive controls */
.btn:focus-visible,
.btn-primary:focus-visible,
.btn-gold:focus-visible,
.btn-soft:focus-visible,
.btn-ghost:focus-visible,
.lsm-tab:focus-visible,
.tab:focus-visible,
.nav-link:focus-visible,
.nav-drop-trigger:focus-visible,
a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible,
[role="tab"]:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 4px;
}
input[type="range"]:focus-visible,
.slider:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px){ .field-row { grid-template-columns: 1fr; } }

/* --------------------------------------------------- Tables */
.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th, .table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); }
.table th { font-size: .76rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--text-3); font-weight: 700; }
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--surface-2); }

/* --------------------------------------------------- Sub-check list (run animations) */
.checks { list-style: none; padding: 0; margin: 14px 0 0; }
.checks li {
  display: flex; align-items: center; gap: 11px; padding: 9px 0;
  border-bottom: 1px dashed var(--border); font-size: .92rem; color: var(--text-2);
  opacity: .45; transition: opacity .3s;
}
.checks li:last-child { border-bottom: none; }
.checks li.active, .checks li.done { opacity: 1; }
.checks li .ico { width: 20px; height: 20px; flex: none; display: grid; place-items: center; }
.checks li.done .ico { color: var(--success); }
.checks li .label-strong { color: var(--text); font-weight: 600; }
.checks li .meta { margin-left: auto; font-family: var(--font-mono); font-size: .78rem; color: var(--text-3); }

/* --------------------------------------------------- Footer */
.footer { border-top: 1px solid var(--border); background: var(--bg-2); margin-top: 40px; }
.footer .wrap { padding-top: 34px; padding-bottom: 34px; display: flex;
  flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between; }
.footer .small { font-size: .85rem; color: var(--text-3); }
/* Quiet global contact line above legal disclaimer */
.foot-contact { border-top: 1px solid var(--border); }
.foot-contact .wrap { padding: 18px 28px; display: flex; flex-wrap: wrap; gap: 8px 16px;
  align-items: center; justify-content: center; text-align: center; font-size: .9rem; color: var(--text-2); }
.foot-contact a { font-weight: 650; }

/* --------------------------------------------------- Sandbox banner */
.sbx-banner {
  background: var(--brand-50);
  border-bottom: 1px solid var(--border);
  font-size: .82rem; color: var(--text-2); text-align: center; padding: 9px 16px;
}
.sbx-banner b { color: var(--brand-700); }

/* --------------------------------------------------- Utility */
.flex { display: flex; }
.between { justify-content: space-between; }
.aic { align-items: center; }
.gap8 { gap: 8px; } .gap12 { gap: 12px; } .gap16 { gap: 16px; } .gap24 { gap: 24px; }
.wrapf { flex-wrap: wrap; }
.mt0 { margin-top: 0; } .mb0 { margin-bottom: 0; }
.mt8{margin-top:8px;} .mt16{margin-top:16px;} .mt24{margin-top:24px;} .mt32{margin-top:32px;}
.divider { height: 1px; background: var(--border); border: 0; margin: 22px 0; }
.pill-num {
  width: 26px; height: 26px; border-radius: 8px; background: var(--brand-50);
  color: var(--brand-700); font-weight: 800; font-size: .85rem;
  display: grid; place-items: center; flex: none;
}
.kbd { font-family: var(--font-mono); font-size: .8rem; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; }

/* --------------------------------------------------- Verified-data badge + inline citations */
.vbadge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em;
  color: var(--success); background: var(--success-bg); border-radius: 999px; padding: 4px 11px;
}
.vbadge svg { width: 13px; height: 13px; }

/* inline numbered reference marker, e.g. FINTRAC $10,000<sup class="ref">1</sup> */
sup.ref { line-height: 0; }
sup.ref a {
  font-family: var(--font-mono); font-size: .62em; font-weight: 700; vertical-align: super;
  color: var(--brand); background: var(--brand-50); border-radius: 4px;
  padding: 0 3px; margin-left: 2px; text-decoration: none; transition: background .15s, color .15s;
}
sup.ref a:hover { background: var(--brand); color: #fff; }
.why sup.ref a, .headline sup.ref a, .cmp-banner sup.ref a {
  background: rgba(255,255,255,.22); color: #fff;
}
.why sup.ref a:hover, .headline sup.ref a:hover, .cmp-banner sup.ref a:hover { background: #fff; color: var(--brand-700); }

/* --------------------------------------------------- Sources & methodology panel */
.sources {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); box-shadow: var(--shadow-sm); padding: 24px 26px;
}
.sources .src-top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 6px; }
.sources h3 { margin: 0; font-size: 1.08rem; }
.sources .src-meth { font-size: .87rem; color: var(--text-2); margin: 8px 0 16px; max-width: 64em; }
.src-list { list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 760px){ .src-list { grid-template-columns: 1fr; } }
.src-list li { display: flex; gap: 11px; align-items: flex-start; font-size: .85rem;
  background: var(--brand-50); border: 1px solid var(--brand-100); border-left: 3px solid var(--gold);
  border-radius: 10px; padding: 12px 14px; transition: box-shadow .15s, transform .12s; }
.src-list li:hover { box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.src-list li .sn { font-family: var(--font-mono); font-weight: 800; color: #fff; background: var(--brand);
  flex: none; text-align: center; border-radius: 6px; padding: 1px 7px; font-size: .76rem; line-height: 1.5; }
.src-list li .sbody { color: var(--text-2); }
.src-list li .sbody a { font-weight: 650; word-break: break-word; color: var(--brand-700); }
.src-list li .sbody .pub { color: var(--text-3); }
.src-list li:target { box-shadow: 0 0 0 3px var(--brand-100); border-left-color: var(--brand); }
.src-disc { font-size: .78rem; color: var(--text-3); margin-top: 16px; }

/* --------------------------------------------------- KCS-style design language */
/* Monospace technical micro-tag, e.g.  CANADA-FIRST · CAD · SIMULATED  */
.mono-tag {
  font-family: var(--font-ui); font-size: .68rem; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase; color: var(--text-3);
  display: inline-flex; align-items: center; gap: 9px; flex-wrap: wrap;
}
.mono-tag .sep { color: var(--gold-2); font-weight: 700; }
.mono-tag .on  { color: var(--text-2); }

/* Section heading lockup with eyebrow */
.kicker { font-size: .74rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--brand); font-weight: 700; }

/* Numbered cards (01 / 02 / 03) with metric pill */
.ncards { display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden; }
.ncards.c2 { grid-template-columns: repeat(2, 1fr); }
.ncards.c3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 820px){ .ncards.c3 { grid-template-columns: 1fr; } .ncards.c2 { grid-template-columns: 1fr; } }
.ncard { background: var(--surface); padding: 26px 24px 24px; display: flex; flex-direction: column; gap: 8px; }
.ncard .nnum { font-family: var(--font-mono); font-size: .82rem; font-weight: 700; color: var(--brand);
  letter-spacing: .04em; }
.ncard h3 { margin: 2px 0 0; font-size: 1.1rem; }
.ncard p { margin: 0; font-size: .92rem; color: var(--text-2); }
.ncard .metric { margin-top: auto; padding-top: 14px; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.ncard .metric .mv { font-family: var(--font-mono); font-weight: 800; font-size: .95rem; color: var(--brand-700); }
.ncard .metric .ml { font-size: .78rem; color: var(--text-3); }

/* =====================================================================
   Shared dark hero (Field Guide / Institutional Summary pattern)
   Apply by wrapping in <section class="dhero"> with .dhero-inner child.
   ===================================================================== */
.dhero { background: linear-gradient(135deg, #0B1220 0%, #15233F 45%, #1F3CA8 100%); color:#fff; padding: 56px 0 38px; position:relative; overflow:hidden; }
.dhero::before { content:''; position:absolute; top:-40%; right:-12%; width:60vw; height:60vw; max-width:780px; max-height:780px; background: radial-gradient(circle, rgba(247,196,102,.18) 0%, rgba(247,196,102,0) 60%); pointer-events:none; }
.dhero::after { content:''; position:absolute; bottom:-30%; left:-10%; width:50vw; height:50vw; max-width:640px; max-height:640px; background: radial-gradient(circle, rgba(46,107,242,.25) 0%, rgba(46,107,242,0) 60%); pointer-events:none; }
.dhero-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; position:relative; z-index:1; }
.dhero-eyebrow { font-size:.74rem; text-transform:uppercase; letter-spacing:.14em; color:#FFD9A8; font-weight:800; margin-bottom: 10px; }
.dhero h1 { color:#fff; margin: 0 0 14px; font-size: 2.2rem; line-height:1.1; letter-spacing:-.02em; max-width: 22em; }
.dhero h1 .accent { color:#FFD9A8; }
.dhero p.dhero-sub { color: rgba(255,255,255,.82); font-size: 1.05rem; line-height: 1.55; max-width: 56em; margin: 0 0 26px; }
.dhero-pills { display: flex; gap: 10px; flex-wrap: wrap; margin: 0 0 20px; }
.dhero-pill { background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.22); color: #fff; font-weight: 700; font-size: .8rem; padding: 6px 14px; border-radius: 99px; }
.dhero-pill.gold { background: rgba(255,217,168,.16); border-color: rgba(255,217,168,.45); color: #FFD9A8; }
.dhero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.dhero-btn { padding: 11px 22px; border-radius: 9px; font-weight: 800; font-size: .9rem; border: none; cursor: pointer; text-decoration: none; display: inline-block; transition: transform .15s, box-shadow .15s; }
.dhero-btn.gold { background: #FFD9A8; color: #0B1220; box-shadow: 0 4px 16px rgba(255,217,168,.4); }
.dhero-btn.gold:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(255,217,168,.55); }
.dhero-btn.ghost { background: rgba(255,255,255,.08); color: #fff; border: 1px solid rgba(255,255,255,.30); }
.dhero-btn.ghost:hover { background: rgba(255,255,255,.14); }

/* Sandbox scenario tiles: dark band with translucent charcoal cards, matching the marketplace hero style */
.sandbox-scn-band { background: linear-gradient(180deg, #0B1220 0%, #15233F 100%); border-bottom: 1px solid rgba(255,255,255,.10); padding: 36px 0 38px; color: #fff; position: relative; overflow: hidden; }
.sandbox-scn-band::before { content:''; position:absolute; top:50%; left:50%; transform:translate(-50%, -50%); width: 700px; height: 700px; background: radial-gradient(circle, rgba(247,196,102,.06) 0%, transparent 65%); pointer-events:none; }
.sandbox-scn-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; position: relative; z-index: 1; }
.sandbox-scn-head { font-size:.78rem; text-transform:uppercase; letter-spacing:.12em; color: rgba(255,255,255,.65); font-weight: 800; margin-bottom: 14px; }
.sandbox-scn-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 880px){ .sandbox-scn-grid { grid-template-columns: 1fr; } }
.sandbox-scn-tile { display: flex; flex-direction: column; align-items: stretch; padding: 22px 22px 18px; background: rgba(255,255,255,.06); border: 1.5px solid rgba(255,255,255,.14); border-radius: 14px; cursor: pointer; text-align: left; font-family: inherit; transition: background .2s, border-color .15s, box-shadow .2s, transform .15s; position: relative; color: #fff; }
.sandbox-scn-tile:hover { background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.30); box-shadow: 0 12px 28px rgba(0,0,0,.35); transform: translateY(-2px); }
.sandbox-scn-tile .stl-rank { position: absolute; top: 18px; right: 22px; width: 30px; height: 30px; border-radius: 50%; background: rgba(255,217,168,.18); color: #FFD9A8; font-weight: 800; font-size: .85rem; display: grid; place-items: center; }
.sandbox-scn-tile .stl-eyebrow { font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; color: #9AB6FF; font-weight: 800; margin-bottom: 8px; padding-right: 40px; }
.sandbox-scn-tile .stl-title { font-weight: 800; font-size: 1.12rem; margin: 0 0 6px; color: #fff; letter-spacing: -.005em; line-height: 1.2; padding-right: 30px; }
.sandbox-scn-tile .stl-sub { font-size: .85rem; color: rgba(255,255,255,.72); line-height: 1.45; margin-bottom: 16px; }
.sandbox-scn-tile .stl-foot { margin-top: auto; display: flex; align-items: baseline; justify-content: space-between; padding-top: 12px; border-top: 1px dashed rgba(255,255,255,.18); }
.sandbox-scn-tile .stl-amt { font-size: 1.3rem; font-weight: 800; color: #FFD9A8; letter-spacing: -.01em; }
.sandbox-scn-tile .stl-go { font-size: .8rem; font-weight: 700; color: rgba(255,255,255,.65); }
.sandbox-scn-tile:hover .stl-go { color: #FFD9A8; }

/* Green "Choose this scenario" CTA inside each scenario tile */
.sandbox-scn-tile .stl-cta-row { margin-top: 14px; }
.sandbox-scn-tile .stl-cta-btn {
  display: block; width: 100%; text-align: center;
  padding: 11px 14px; border-radius: 9px;
  background: #2EA56D; color: #FFFFFF;
  font-size: .9rem; font-weight: 800; letter-spacing: .02em;
  box-shadow: 0 4px 14px rgba(46,165,109,.35), inset 0 -2px 0 rgba(0,0,0,.10);
  transition: background .15s, transform .15s, box-shadow .15s;
}
.sandbox-scn-tile:hover .stl-cta-btn {
  background: #2DBE7B;
  box-shadow: 0 8px 22px rgba(46,165,109,.50), inset 0 -2px 0 rgba(0,0,0,.10);
  transform: translateY(-1px);
}
/* Selected scenario tile: solid brand-blue border + checkmark CTA, so the user sees which one is loaded */
.sandbox-scn-tile.selected {
  border-color: #5A93FF;
  box-shadow: 0 0 0 3px rgba(90,147,255,.25), 0 8px 20px rgba(0,0,0,.30);
  background: rgba(90,147,255,.10);
}
.sandbox-scn-tile.selected .stl-cta-btn {
  background: #1F7A4D;
}
.sandbox-scn-tile.selected .stl-cta-btn::before { content: '✓ '; }
.sandbox-scn-tile.selected .stl-cta-btn::after { content: ' (loaded, click Run auto full flow)'; font-size: .7rem; opacity: .85; }

/* Stop button: red, only visible during a run */
.btn.btn-stop {
  background: #B5283F; color: #fff; border: 1px solid #8E1F32;
  box-shadow: 0 4px 14px rgba(181,40,63,.30);
}
.btn.btn-stop:hover { background: #C8324B; }
/* Reset button: same slot as Stop but slate-gray, after the user has stopped a run */
.btn.btn-reset {
  background: #46556E; color: #fff; border: 1px solid #2E3E55;
  box-shadow: 0 4px 14px rgba(70,85,110,.30);
}
.btn.btn-reset:hover { background: #5A6C8C; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto; }
}