/* =============================================================
   Dexterity Digital: data visuals and interactive tools
   Used by: index.html (Visibility Gap iceberg),
            why-dex/index.html (cost-of-friction calculator),
            learn/research.html (charts).
   All charts are inline SVG; animation is added by
   assets/js/dd-viz.js and disabled for reduced-motion users.
============================================================= */

:root {
  --dd-navy: #092F4F;
  --dd-navy-deep: #071e32;
  --dd-cream: #F4EFE5;
  --dd-teal: #4B9297;
  --dd-teal-lt: #7fc0c4;
  --dd-slate: #4a6a82;
  --dd-amber: #c98a2e;
  --dd-amber-lt: #e7b768;
  --dd-rule: #c8bfb0;
}

.dd-figure { margin: 0; }
.dd-figure figcaption,
.dd-source { font-size: 0.74rem; line-height: 1.5; color: var(--dd-slate); margin-top: 10px; }
.dd-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Animation primitives (only when JS marks the page) ---------- */
.dd-anim .dd-fade { opacity: 0; transform: translateY(8px); transition: opacity .6s ease, transform .6s ease; }
.dd-anim .dd-in .dd-fade, .dd-anim .dd-in.dd-fade { opacity: 1; transform: none; }
.dd-anim .dd-grow { transform: scaleX(0); transform-origin: left center; transition: transform 1s cubic-bezier(.2,.7,.2,1); }
.dd-anim .dd-in .dd-grow { transform: scaleX(1); }
.dd-anim .dd-draw { stroke-dasharray: var(--dd-len, 600); stroke-dashoffset: var(--dd-len, 600); transition: stroke-dashoffset 1.4s ease; }
.dd-anim .dd-in .dd-draw { stroke-dashoffset: 0; }
.dd-anim .dd-pop { opacity: 0; transform: scale(.4); transform-box: fill-box; transform-origin: center; transition: opacity .35s ease, transform .35s cubic-bezier(.3,1.6,.5,1); }
.dd-anim .dd-in .dd-pop { opacity: 1; transform: none; }
.dd-anim .dd-rise { transform: translateY(26px); opacity: 0; transition: transform 1s cubic-bezier(.2,.7,.2,1), opacity .8s ease; }
.dd-anim .dd-in .dd-rise { transform: none; opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .dd-anim .dd-fade, .dd-anim .dd-grow, .dd-anim .dd-draw, .dd-anim .dd-pop, .dd-anim .dd-rise {
    transition: none !important; opacity: 1 !important; transform: none !important; stroke-dashoffset: 0 !important;
  }
}

/* =============================================================
   1. ICEBERG (homepage, dark navy section)
============================================================= */
.dd-iceberg-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  width: 100%;
  max-width: 1040px;
  margin: 8px auto 12px;
  text-align: left;
}
.dd-iceberg svg { width: 100%; height: auto; display: block; overflow: visible; }
.dd-iceberg .dd-wave { animation: dd-bob 6s ease-in-out infinite; }
@keyframes dd-bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(2px); } }
@media (prefers-reduced-motion: reduce) { .dd-iceberg .dd-wave { animation: none; } }

.dd-reasons h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  color: var(--dd-cream);
  margin: 0 0 6px;
}
.dd-reasons .dd-reasons-sub { color: rgba(244,239,229,0.62); font-size: 0.9rem; margin: 0 0 16px; }
.dd-reasons ol { list-style: none; counter-reset: dd; margin: 0; padding: 0; }
.dd-reasons li {
  counter-increment: dd;
  position: relative;
  padding: 10px 0 10px 44px;
  border-top: 1px solid rgba(127,192,196,0.18);
  color: rgba(244,239,229,0.78);
  font-size: 0.92rem;
  line-height: 1.5;
}
.dd-reasons li:last-child { border-bottom: 1px solid rgba(127,192,196,0.18); }
.dd-reasons li::before {
  content: counter(dd);
  position: absolute; left: 0; top: 10px;
  width: 28px; height: 28px; border-radius: 50%;
  border: 1px solid rgba(231,183,104,0.55);
  color: var(--dd-amber-lt);
  font-size: 0.8rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.dd-reasons li strong { color: var(--dd-cream); font-weight: 600; }
.dd-reasons .dd-reasons-foot { margin-top: 14px; font-size: 0.85rem; color: rgba(244,239,229,0.70); }
.dd-reasons .dd-reasons-foot a { color: var(--dd-teal-lt); font-weight: 600; }
.dd-iceberg-source { grid-column: 1 / -1; font-size: 0.72rem; color: rgba(244,239,229,0.45); text-align: center; margin: 4px 0 0; }
@media (max-width: 860px) {
  .dd-iceberg-wrap { grid-template-columns: 1fr; gap: 24px; }
}

/* =============================================================
   2. COST-OF-FRICTION CALCULATOR (Why DEX page)
============================================================= */
.dd-calc {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 0;
  border: 1px solid var(--dd-rule);
  border-radius: 14px;
  overflow: hidden;
  background: #fffdf8;
  box-shadow: 0 10px 30px rgba(13,27,53,0.08);
  margin-top: 28px;
}
.dd-calc-inputs { padding: 28px; border-right: 1px solid var(--dd-rule); }
.dd-calc-inputs h3, .dd-calc-results h3 {
  font-size: 0.72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--dd-teal); margin: 0 0 18px;
}
.dd-field { margin-bottom: 18px; }
.dd-field label { display: flex; justify-content: space-between; gap: 12px; font-size: 0.86rem; font-weight: 600; color: var(--dd-navy); margin-bottom: 6px; }
.dd-field label output { font-variant-numeric: tabular-nums; color: var(--dd-teal); font-weight: 700; }
.dd-field input[type="range"] { width: 100%; accent-color: var(--dd-teal); }
.dd-field input[type="number"] {
  width: 100%; padding: 9px 12px; font-size: 0.95rem; border: 1px solid var(--dd-rule); border-radius: 8px;
  background: #fff; color: var(--dd-navy); font-variant-numeric: tabular-nums;
}
.dd-field input:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(75,146,151,0.35); }
.dd-field .dd-hint { font-size: 0.72rem; color: var(--dd-slate); margin-top: 5px; line-height: 1.45; }
.dd-calc-reset { background: none; border: none; color: var(--dd-teal); font-size: 0.8rem; font-weight: 600; cursor: pointer; padding: 0; }

.dd-calc-results { padding: 28px; background: var(--dd-navy); color: var(--dd-cream); }
.dd-calc-results h3 { color: var(--dd-teal-lt); }
.dd-kpis { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; margin-bottom: 22px; }
.dd-kpi { background: rgba(244,239,229,0.06); border: 1px solid rgba(244,239,229,0.12); border-radius: 10px; padding: 14px; }
.dd-kpi .dd-kpi-num { font-family: Georgia, "Times New Roman", serif; font-size: 1.7rem; line-height: 1.1; color: #fff; font-variant-numeric: tabular-nums; word-break: break-word; }
.dd-kpi .dd-kpi-lbl { font-size: 0.72rem; color: rgba(244,239,229,0.62); margin-top: 6px; line-height: 1.4; }
.dd-kpi.dd-kpi-cost .dd-kpi-num { color: var(--dd-amber-lt); }
.dd-bars { margin: 6px 0 18px; }
.dd-bar-row { margin-bottom: 12px; }
.dd-bar-row .dd-bar-lbl { display: flex; justify-content: space-between; gap: 12px; font-size: 0.78rem; color: rgba(244,239,229,0.75); margin-bottom: 5px; }
.dd-bar-row .dd-bar-lbl b { white-space: nowrap; }
.dd-bar-row .dd-bar-lbl b { color: #fff; font-variant-numeric: tabular-nums; }
.dd-bar-track { height: 14px; background: rgba(244,239,229,0.08); border-radius: 7px; overflow: hidden; }
.dd-bar-fill { height: 100%; border-radius: 7px; background: var(--dd-amber); transition: width .5s ease; }
.dd-bar-fill.dd-good { background: var(--dd-teal-lt); }
.dd-calc-note { font-size: 0.72rem; line-height: 1.55; color: rgba(244,239,229,0.55); margin: 0; }
.dd-calc-note a { color: var(--dd-teal-lt); }
.dd-calc-cta { display: inline-flex; align-items: center; gap: 8px; margin: 4px 0 16px; padding: 10px 18px; border-radius: 8px; background: var(--dd-teal); color: #fff; font-weight: 600; font-size: 0.88rem; text-decoration: none; }
.dd-calc-cta:hover { background: #367075; text-decoration: none; }
@media (max-width: 900px) {
  .dd-calc { grid-template-columns: 1fr; }
  .dd-calc-inputs { border-right: none; border-bottom: 1px solid var(--dd-rule); }
}
@media (max-width: 520px) {
  .dd-kpis { grid-template-columns: 1fr; }
  .dd-calc-inputs, .dd-calc-results { padding: 20px; }
}

/* =============================================================
   3. RESEARCH CHARTS (light cream pages)
============================================================= */
.dd-chart-card {
  background: #fffdf8;
  border: 1px solid var(--dd-rule);
  border-radius: 12px;
  padding: 22px 24px 18px;
  margin: 18px 0 8px;
}
.dd-chart-card h4 { font-size: 0.95rem; color: var(--dd-navy); margin: 0 0 4px; }
.dd-chart-card .dd-chart-sub { font-size: 0.8rem; color: var(--dd-slate); margin: 0 0 14px; }
.dd-chart-card svg { width: 100%; height: auto; display: block; }

/* Week strip */
.dd-week { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 10px; }
.dd-day { background: rgba(9,47,79,0.04); border: 1px solid rgba(9,47,79,0.08); border-radius: 10px; padding: 10px 8px 12px; text-align: center; }
.dd-day .dd-day-name { font-size: 0.7rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--dd-slate); margin-bottom: 8px; }
.dd-day .dd-events { display: flex; flex-direction: column; align-items: center; gap: 6px; min-height: 98px; }
.dd-evt { display: inline-flex; align-items: center; gap: 6px; font-size: 0.7rem; color: var(--dd-navy); background: #fff; border: 1px solid rgba(201,138,46,0.45); border-radius: 999px; padding: 3px 9px 3px 6px; white-space: nowrap; }
.dd-evt i { color: var(--dd-amber); font-size: 0.72rem; width: 12px; text-align: center; }
.dd-week-total { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 14px; font-size: 0.85rem; color: var(--dd-navy); }
.dd-week-total b { font-family: Georgia, serif; font-size: 1.25rem; color: var(--dd-amber); }
@media (max-width: 640px) {
  .dd-week { grid-template-columns: 1fr; gap: 8px; }
  .dd-day { display: flex; align-items: center; gap: 12px; text-align: left; padding: 8px 10px; }
  .dd-day .dd-day-name { margin: 0; min-width: 34px; }
  .dd-day .dd-events { flex-direction: row; flex-wrap: wrap; justify-content: flex-start; min-height: 0; gap: 6px; }
}

/* Per-source bars */
.dd-hbars { display: flex; flex-direction: column; gap: 14px; }
.dd-hbar .dd-hbar-head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; margin-bottom: 5px; }
.dd-hbar .dd-hbar-label { font-size: 0.86rem; color: var(--dd-navy); font-weight: 600; }
.dd-hbar .dd-hbar-val { font-family: Georgia, serif; font-size: 1.2rem; color: var(--dd-amber); font-variant-numeric: tabular-nums; }
.dd-hbar .dd-hbar-track { height: 12px; background: rgba(9,47,79,0.07); border-radius: 6px; overflow: hidden; }
.dd-hbar .dd-hbar-fill { height: 100%; background: linear-gradient(90deg, var(--dd-amber), var(--dd-amber-lt)); border-radius: 6px; }
.dd-hbar .dd-hbar-src { font-size: 0.7rem; color: var(--dd-slate); margin-top: 4px; }
.dd-chart-note { font-size: 0.72rem; color: var(--dd-slate); margin: 14px 0 0; padding-top: 10px; border-top: 1px dashed var(--dd-rule); }

/* =============================================================
   4. MATURITY SELF-ASSESSMENT (learn/maturity-model.html)
============================================================= */
.dd-assess { background: #fffdf8; border: 1px solid var(--dd-rule); border-radius: 14px; padding: 26px 28px; box-shadow: 0 10px 30px rgba(13,27,53,0.06); }
.dd-assess-progress { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; font-size: 0.8rem; color: var(--dd-slate); }
.dd-assess-progress .dd-track { flex: 1; height: 6px; background: rgba(9,47,79,0.08); border-radius: 3px; overflow: hidden; }
.dd-assess-progress .dd-track span { display: block; height: 100%; width: 0; background: var(--dd-teal); transition: width .3s ease; }
.dd-q { border: none; padding: 0; margin: 0 0 22px; }
.dd-q legend { font-weight: 700; color: var(--dd-navy); font-size: 0.95rem; margin-bottom: 10px; padding: 0; }
.dd-q legend small { display: block; font-weight: 500; font-size: 0.72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--dd-teal); margin-bottom: 4px; }
.dd-opts { display: grid; gap: 8px; }
.dd-opt { position: relative; display: block; }
.dd-opt input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.dd-opt span { display: flex; gap: 10px; align-items: flex-start; padding: 10px 14px; border: 1px solid var(--dd-rule); border-radius: 9px; background: #fff; font-size: 0.86rem; line-height: 1.45; color: var(--dd-navy); cursor: pointer; transition: border-color .15s, background .15s; }
.dd-opt span::before { content: ""; flex: 0 0 14px; height: 14px; margin-top: 2px; border-radius: 50%; border: 2px solid var(--dd-rule); background: #fff; }
.dd-opt:hover span { border-color: var(--dd-teal); }
.dd-opt input:checked + span { border-color: var(--dd-teal); background: rgba(75,146,151,0.08); }
.dd-opt input:checked + span::before { border-color: var(--dd-teal); background: var(--dd-teal); box-shadow: inset 0 0 0 3px #fff; }
.dd-opt input:focus-visible + span { box-shadow: 0 0 0 3px rgba(75,146,151,0.35); }
.dd-assess-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 6px; }
.dd-btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: 8px; border: none; background: var(--dd-teal); color: #fff; font-weight: 600; font-size: 0.9rem; cursor: pointer; text-decoration: none; }
.dd-btn[disabled] { background: #b9c9c9; cursor: not-allowed; }
.dd-btn:hover:not([disabled]) { background: #367075; text-decoration: none; color: #fff; }
.dd-btn-ghost { background: transparent; color: var(--dd-teal); border: 1px solid var(--dd-teal); }
.dd-btn-ghost:hover:not([disabled]) { background: rgba(75,146,151,0.08); color: var(--dd-teal); }
.dd-result { display: none; margin-top: 26px; padding: 24px; border-radius: 12px; background: var(--dd-navy); color: var(--dd-cream); }
.dd-result.dd-show { display: block; }
.dd-result .dd-result-eyebrow { font-size: 0.72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--dd-teal-lt); }
.dd-result h3 { font-family: Georgia, serif; font-size: 1.6rem; color: #fff; margin: 6px 0 4px; }
.dd-result .dd-result-alt { color: rgba(244,239,229,0.7); font-size: 0.9rem; margin: 0 0 18px; }
.dd-scale { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; margin: 0 0 8px; }
.dd-scale div { height: 10px; border-radius: 5px; background: rgba(244,239,229,0.14); }
.dd-scale div.dd-on { background: var(--dd-teal-lt); }
.dd-scale div.dd-here { background: var(--dd-amber-lt); }
.dd-scale-labels { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; font-size: 0.66rem; color: rgba(244,239,229,0.55); margin-bottom: 18px; }
.dd-result h4 { font-size: 0.8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--dd-teal-lt); margin: 16px 0 8px; }
.dd-result ul { margin: 0; padding-left: 18px; color: rgba(244,239,229,0.85); font-size: 0.9rem; line-height: 1.6; }
.dd-result .dd-result-note { font-size: 0.78rem; color: rgba(244,239,229,0.6); margin-top: 14px; }
.dd-result .dd-assess-actions { margin-top: 18px; }
.dd-result .dd-btn-ghost { color: var(--dd-teal-lt); border-color: var(--dd-teal-lt); }
.dd-dims { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 6px 18px; font-size: 0.8rem; }
.dd-dim { display: flex; justify-content: space-between; gap: 8px; border-bottom: 1px solid rgba(244,239,229,0.1); padding: 4px 0; color: rgba(244,239,229,0.8); }
.dd-dim b { color: #fff; font-variant-numeric: tabular-nums; }
@media (max-width: 640px) { .dd-assess { padding: 20px; } .dd-dims { grid-template-columns: 1fr; } .dd-scale-labels { font-size: 0.58rem; } }

/* =============================================================
   5. DEX TOOLS HEATMAP + FILTERS (learn/dex-tools.html)
============================================================= */
.dd-filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 14px; }
.dd-filters .dd-filters-label { font-size: 0.75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--dd-slate); margin-right: 4px; }
.dd-chip { border: 1px solid var(--dd-rule); background: #fff; color: var(--dd-navy); border-radius: 999px; padding: 6px 13px; font-size: 0.8rem; font-weight: 600; cursor: pointer; }
.dd-chip:hover { border-color: var(--dd-teal); }
.dd-chip[aria-pressed="true"] { background: var(--dd-navy); color: #fff; border-color: var(--dd-navy); }
.dd-filter-note { font-size: 0.75rem; color: var(--dd-slate); margin: -6px 0 12px; min-height: 1em; }
.comparison-table.dd-heat td.dd-h-yes { background: rgba(75,146,151,0.30) !important; }
.comparison-table.dd-heat td.dd-h-partial { background: rgba(75,146,151,0.12) !important; }
.comparison-table.dd-heat td.dd-h-no { background: rgba(9,47,79,0.025) !important; }
.comparison-table.dd-heat td.dd-h-yes .r-yes { color: #0c4f53; }
.comparison-table.dd-heat td.dd-h-no .r-no { opacity: .55; }
.comparison-table .dd-col-hidden { display: none; }
.comparison-table.dd-heat tbody tr:not(.cat-row):hover td { box-shadow: inset 0 1px 0 rgba(9,47,79,0.25), inset 0 -1px 0 rgba(9,47,79,0.25); }
.comparison-table.dd-heat td.dd-col-focus, .comparison-table.dd-heat th.dd-col-focus { outline: 2px solid var(--dd-amber); outline-offset: -2px; }

/* =============================================================
   6. DEXOPS CYCLE (index.html)
============================================================= */
.dd-cycle { max-width: 780px; margin: 28px auto 0; }
.dd-cycle svg { width: 100%; height: auto; display: block; }
.dd-cycle-caption { text-align: center; font-size: 0.78rem; color: var(--dd-slate); margin-top: 6px; }
.dd-cycle-list { display: none; }
@media (max-width: 640px) {
  .dd-cycle { display: none; }
  .dd-cycle-list { display: grid; }
}

/* Calculator: optional turnover estimate */
.dd-turnover { border: 1px dashed rgba(75,146,151,0.45); border-radius: 10px; padding: 12px 14px 4px; margin: 4px 0 18px; }
.dd-turnover legend { padding: 0 6px; }
.dd-toggle { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 0.86rem; font-weight: 600; color: var(--dd-navy); cursor: pointer; }
.dd-toggle input { accent-color: var(--dd-teal); width: 16px; height: 16px; }
.dd-tag { font-size: 0.66rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--dd-teal); background: rgba(75,146,151,0.12); border-radius: 999px; padding: 2px 8px; }
.dd-turnover-body { padding-top: 10px; }
.dd-turnover-body[hidden], .dd-turnover-out[hidden] { display: none; }
.dd-turnover-out { margin: 0 0 22px; padding: 14px; border: 1px solid rgba(231,183,104,0.35); border-radius: 10px; background: rgba(231,183,104,0.06); }
.dd-turnover-out .dd-bar-lbl { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 6px; color: #fff; font-size: 0.86rem; }