/* The Head Start Courses — shared 2026 lesson layer.
   The parchment lesson remains intact; this file owns the Obsidian course chrome,
   progress, earned completion, motion, and the shared course instruments. */

:root {
  --hsc-obsidian: #0b0c10;
  --hsc-charcoal: #1a1c23;
  --hsc-gold: #d4af37;
  --hsc-gold-light: #e5c158;
  --hsc-jade: #1b4d3e;
  --hsc-pearl: #f5f5f5;
  --hsc-silver: #a0aab2;
}

html {
  scroll-behavior: smooth;
}

body.hsc-enhanced {
  background-color: var(--hsc-obsidian);
  background-image:
    linear-gradient(rgba(11, 12, 16, 0.93), rgba(11, 12, 16, 0.93)),
    url("/images/redesign/hero/section_dark_marble.jpg");
  background-position: center;
  background-size: cover;
  background-attachment: fixed;
}

.hsc-enhanced .sheet {
  border-color: rgba(212, 175, 55, 0.6);
  box-shadow:
    0 34px 90px rgba(0, 0, 0, 0.62),
    0 0 0 1px rgba(212, 175, 55, 0.08);
}

.hsc-mini-header {
  position: sticky;
  top: 58px;
  z-index: 8000;
  width: 100vw;
  margin: 0 calc(50% - 50vw) 28px;
  border-top: 1px solid rgba(212, 175, 55, 0.1);
  border-bottom: 1px solid rgba(212, 175, 55, 0.32);
  background: rgba(11, 12, 16, 0.96);
  color: var(--hsc-pearl);
  font-family: "DM Mono", ui-monospace, monospace;
  backdrop-filter: blur(18px);
}

.hsc-mini-inner {
  min-height: 66px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 9px 22px;
  display: grid;
  grid-template-columns: minmax(170px, 1fr) auto minmax(170px, 1fr);
  align-items: center;
  gap: 22px;
}

.hsc-mini-course {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hsc-mini-eyebrow,
.hsc-next-label,
.hsc-completion-label,
.hsc-toy-label,
.hsc-match-legend {
  color: var(--hsc-gold);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 9px;
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hsc-mini-course strong {
  overflow: hidden;
  color: var(--hsc-pearl);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hsc-series-map {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.hsc-series-link {
  position: relative;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(212, 175, 55, 0.22);
  border-radius: 50%;
  color: var(--hsc-silver);
  font-size: 10px;
  text-decoration: none;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.hsc-series-link:hover,
.hsc-series-link:focus-visible {
  border-color: var(--hsc-gold);
  color: var(--hsc-pearl);
}

.hsc-series-link.is-current {
  border-color: var(--hsc-gold);
  background: rgba(212, 175, 55, 0.13);
  color: var(--hsc-gold-light);
  box-shadow: 0 0 18px rgba(212, 175, 55, 0.12);
}

.hsc-series-link.is-complete::after {
  content: "";
  position: absolute;
  width: 5px;
  height: 5px;
  right: -1px;
  bottom: -1px;
  border-radius: 50%;
  background: #66b896;
}

.hsc-mini-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.hsc-mini-action,
.hsc-resume-button {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(212, 175, 55, 0.25);
  background: transparent;
  color: var(--hsc-gold);
  font: 500 10px/1 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
}

.hsc-resume-button {
  padding: 0 12px;
}

.hsc-mini-action:hover,
.hsc-mini-action:focus-visible,
.hsc-resume-button:hover,
.hsc-resume-button:focus-visible {
  border-color: var(--hsc-gold);
  background: rgba(212, 175, 55, 0.1);
  color: var(--hsc-pearl);
}

.hsc-progress-rail {
  --hsc-progress: 0%;
  position: fixed;
  top: 150px;
  left: max(18px, calc(50vw - 494px));
  z-index: 7000;
  width: 48px;
  padding: 10px 0;
  color: var(--hsc-gold);
  font-family: "DM Mono", ui-monospace, monospace;
}

.hsc-rail-track,
.hsc-rail-fill {
  position: absolute;
  top: 27px;
  bottom: 27px;
  left: 23px;
  width: 1px;
}

.hsc-rail-track {
  background: rgba(212, 175, 55, 0.22);
}

.hsc-rail-fill {
  bottom: auto;
  height: var(--hsc-progress);
  max-height: calc(100% - 54px);
  background: linear-gradient(var(--hsc-gold-light), var(--hsc-gold));
  box-shadow: 0 0 9px rgba(212, 175, 55, 0.6);
}

.hsc-rail-modules {
  position: relative;
  z-index: 1;
  min-height: 246px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

.hsc-rail-link {
  width: 34px;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 50%;
  background: var(--hsc-obsidian);
  color: var(--hsc-silver);
  font-size: 9px;
  text-decoration: none;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.hsc-rail-link:hover,
.hsc-rail-link:focus-visible,
.hsc-rail-link.is-active {
  border-color: var(--hsc-gold);
  background: #292719;
  color: var(--hsc-gold-light);
}

.hsc-rail-link.is-visited {
  box-shadow: inset 0 0 0 3px rgba(212, 175, 55, 0.12);
}

.hsc-enhanced .module {
  scroll-margin-top: 146px;
}

.hsc-enhanced .hsc-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 560ms ease var(--hsc-delay, 0ms),
    transform 560ms ease var(--hsc-delay, 0ms),
    border-color 180ms ease,
    background 180ms ease;
}

.hsc-enhanced .hsc-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hsc-crowd-toy {
  margin: 30px 0;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.38);
  background: var(--hsc-obsidian);
  color: var(--hsc-pearl);
  box-shadow: 0 18px 44px rgba(27, 25, 16, 0.18);
}

.hsc-toy-head {
  padding: 18px 20px 12px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.hsc-toy-head h3 {
  margin: 4px 0 0;
  color: var(--hsc-pearl);
  font-size: 21px;
}

.hsc-crowd-canvas {
  width: 100%;
  height: 218px;
  display: block;
  border-top: 1px solid rgba(212, 175, 55, 0.12);
  border-bottom: 1px solid rgba(212, 175, 55, 0.12);
}

.hsc-toy-control {
  padding: 14px 20px 18px;
}

.hsc-toy-scale {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  color: var(--hsc-silver);
  font: 500 9px/1 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hsc-toy-control input[type="range"] {
  width: 100%;
  min-height: 44px;
  display: block;
  accent-color: var(--hsc-gold);
}

.hsc-toy-readout {
  min-height: 42px;
  margin: 10px 0 0;
  color: var(--hsc-silver);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 16px;
  line-height: 1.35;
}

.hsc-season-experience {
  margin: 28px 0 22px;
  display: grid;
  grid-template-columns: 238px 1fr;
  align-items: center;
  gap: 28px;
}

.hsc-season-dial {
  --hsc-season-rotation: 0deg;
  position: relative;
  width: 230px;
  aspect-ratio: 1;
  margin: 0 auto;
  border: 1px solid var(--rule-dark);
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent 49.7%, rgba(143, 106, 34, 0.34) 50%, transparent 50.3%),
    linear-gradient(transparent 49.7%, rgba(143, 106, 34, 0.34) 50%, transparent 50.3%),
    radial-gradient(circle, var(--paper-2) 0 33%, transparent 34%),
    conic-gradient(from -45deg, #d9e1df, #e8ddbd, #ead2aa, #d7c9a7, #d9e1df);
  box-shadow:
    inset 0 0 0 9px rgba(247, 241, 226, 0.74),
    0 14px 36px rgba(27, 25, 16, 0.14);
}

.hsc-season-pointer {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 84px;
  border-radius: 2px;
  background: var(--rust);
  box-shadow: 0 0 8px rgba(156, 58, 34, 0.28);
  transform: translate(-50%, -100%) rotate(var(--hsc-season-rotation));
  transform-origin: 50% 100%;
  transition: transform 420ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.hsc-season-pointer::after {
  content: "";
  position: absolute;
  top: -5px;
  left: -4px;
  width: 0;
  height: 0;
  border-right: 5px solid transparent;
  border-bottom: 10px solid var(--rust);
  border-left: 5px solid transparent;
}

.hsc-season-center {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  width: 92px;
  height: 92px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--rule-dark);
  border-radius: 50%;
  background: var(--paper-2);
  text-align: center;
  transform: translate(-50%, -50%);
}

.hsc-season-center span {
  color: var(--gold);
  font: 500 9px/1.2 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hsc-season-center strong {
  margin-top: 5px;
  color: var(--ink);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 16px;
}

.hsc-season-name {
  position: absolute;
  color: #403a2f;
  font: 500 8px/1 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hsc-season-name:nth-of-type(1) { top: 16px; left: 50%; transform: translateX(-50%); }
.hsc-season-name:nth-of-type(2) { top: 50%; right: 7px; transform: translateY(-50%) rotate(90deg); }
.hsc-season-name:nth-of-type(3) { bottom: 16px; left: 50%; transform: translateX(-50%); }
.hsc-season-name:nth-of-type(4) { top: 50%; left: 7px; transform: translateY(-50%) rotate(-90deg); }

.hsc-season-copy {
  margin: 0;
  padding-left: 22px;
  border-left: 2px solid var(--gold);
  color: #3a352a;
  font-size: 18px;
}

.hsc-door {
  width: 100%;
  border-right: 0;
  border-bottom: 0;
  border-left: 0;
  color: var(--ink);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.hsc-door:hover:not(:disabled),
.hsc-door:focus-visible:not(:disabled) {
  background: #fbf5e6;
  box-shadow: 0 12px 28px rgba(27, 25, 16, 0.12);
  transform: translateY(-3px);
}

.hsc-door.is-selected {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  background: #eaf0eb;
}

.hsc-door:disabled {
  cursor: default;
  opacity: 0.64;
}

.hsc-door.is-selected:disabled {
  opacity: 1;
}

.hsc-door-mirror {
  min-height: 78px;
  margin: 18px 0 28px;
  padding: 17px 20px;
  border: 1px solid var(--rule-dark);
  border-left: 3px solid var(--green);
  background: var(--paper);
}

.hsc-door-mirror strong {
  display: block;
  margin-bottom: 5px;
  color: var(--green);
  font: 500 9px/1.3 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.hsc-door-mirror p {
  margin: 0;
  font-size: 17px;
}

.hsc-match-instructions {
  margin: 0 0 18px;
  color: #3a352a;
  font-size: 16px;
}

.hsc-match-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: 18px;
}

.hsc-match-bank {
  min-width: 0;
  padding: 0;
  border: 0;
}

.hsc-match-legend {
  margin-bottom: 9px;
  color: var(--rule-dark);
}

.hsc-match-list {
  display: grid;
  gap: 8px;
}

.hsc-match-option {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid var(--rule-dark);
  background: var(--paper-2);
  color: var(--ink);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 15.5px;
  line-height: 1.25;
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.hsc-match-option:hover:not(:disabled),
.hsc-match-option:focus-visible:not(:disabled),
.hsc-match-option.is-selected {
  border-color: var(--green);
  background: #eaf0eb;
}

.hsc-match-option.is-incorrect {
  border-color: var(--rust);
  background: #f3e5df;
  transform: translateX(3px);
}

.hsc-match-option.is-matched {
  border-color: var(--green);
  background: #eaf0eb;
  color: var(--green);
  opacity: 0.78;
  cursor: default;
}

.hsc-match-status {
  min-height: 45px;
  margin: 14px 0 0;
  padding: 10px 12px;
  border-left: 2px solid var(--gold);
  background: rgba(143, 106, 34, 0.07);
  color: #3a352a;
  font-size: 15.5px;
}

.hsc-match-answer[hidden] {
  display: none;
}

.hsc-completion-card {
  margin: 38px 0 20px;
  padding: 24px;
  display: grid;
  grid-template-columns: 62px 1fr;
  align-items: center;
  gap: 18px;
  border: 1px solid var(--rule-dark);
  background: var(--paper);
}

.hsc-completion-seal {
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--rule-dark);
  border-radius: 50%;
  color: var(--rule-dark);
  font: 600 21px/1 "Playfair Display", Georgia, serif;
}

.hsc-completion-card.is-earned {
  border-color: var(--gold);
  background:
    radial-gradient(circle at 10% 50%, rgba(212, 175, 55, 0.14), transparent 34%),
    var(--paper);
}

.hsc-completion-card.is-earned .hsc-completion-seal {
  border-style: solid;
  border-color: var(--gold);
  background: var(--hsc-obsidian);
  color: var(--hsc-gold);
  box-shadow: 0 0 0 5px rgba(212, 175, 55, 0.08);
}

.hsc-completion-card h3 {
  margin: 4px 0 5px;
  font-size: 22px;
}

.hsc-completion-card p {
  margin: 0;
  color: #3a352a;
  font-size: 15.5px;
}

.hsc-next-door {
  position: relative;
  margin-top: 24px !important;
  padding: 24px !important;
  border: 1px solid rgba(212, 175, 55, 0.45) !important;
  background: var(--hsc-obsidian);
  box-shadow: 0 14px 32px rgba(27, 25, 16, 0.18);
}

.hsc-next-door .hsc-next-label {
  display: block;
  margin-bottom: 10px;
}

.hsc-next-door a {
  display: inline-block;
  color: var(--hsc-gold-light) !important;
  font-size: 12px;
  line-height: 1.6;
}

.hsc-next-door a:hover,
.hsc-next-door a:focus-visible {
  color: var(--hsc-pearl) !important;
}

.hsc-series-dots {
  position: absolute;
  top: 18px;
  right: 20px;
  display: flex;
  gap: 6px;
}

.hsc-series-dots i {
  width: 6px;
  height: 6px;
  display: block;
  border: 1px solid rgba(212, 175, 55, 0.48);
  border-radius: 50%;
}

.hsc-series-dots i.is-past,
.hsc-series-dots i.is-current {
  background: var(--hsc-gold);
}

.hsc-series-dots i.is-current {
  box-shadow: 0 0 8px rgba(212, 175, 55, 0.7);
}

.hsc-enhanced :focus-visible {
  outline: 2px solid var(--hsc-gold);
  outline-offset: 3px;
}

.hsc-instrument {
  margin: 30px 0;
  padding: clamp(20px, 4vw, 34px);
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-top: 3px solid var(--hsc-gold);
  background:
    radial-gradient(circle at 90% 0%, rgba(212, 175, 55, 0.1), transparent 38%),
    linear-gradient(145deg, #111319, #0b0c10);
  box-shadow: 0 22px 46px rgba(11, 12, 16, 0.24);
  color: var(--hsc-pearl);
}

.hsc-instrument.is-complete {
  border-color: rgba(102, 184, 150, 0.66);
  border-top-color: #66b896;
}

.hsc-instrument-head {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(220px, 0.9fr);
  align-items: end;
  gap: 24px;
  margin-bottom: 24px;
}

.hsc-instrument h3 {
  margin: 4px 0 0 !important;
  color: var(--hsc-pearl);
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(23px, 4vw, 34px);
  line-height: 1.08;
}

.hsc-instrument-intro,
.hsc-live-readout,
.hsc-scenario-status,
.hsc-question p {
  margin: 0;
  color: var(--hsc-silver);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 16px;
  line-height: 1.5;
}

.hsc-instrument button,
.hsc-journal button,
.hsc-choice-option {
  min-height: 44px;
  border: 1px solid rgba(212, 175, 55, 0.28);
  background: rgba(255, 255, 255, 0.025);
  color: var(--hsc-pearl);
  font-family: "DM Mono", ui-monospace, monospace;
  cursor: pointer;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.hsc-instrument button:hover:not(:disabled),
.hsc-instrument button:focus-visible:not(:disabled),
.hsc-journal button:hover,
.hsc-journal button:focus-visible,
.hsc-choice-option:hover:not(:disabled),
.hsc-choice-option:focus-visible:not(:disabled) {
  border-color: var(--hsc-gold);
  background: rgba(212, 175, 55, 0.11);
  transform: translateY(-1px);
}

.hsc-instrument button:disabled,
.hsc-choice-option:disabled {
  cursor: default;
}

.hsc-choice-list {
  margin: 18px 0 10px !important;
  padding: 0 !important;
  display: grid;
  gap: 9px;
  list-style: none !important;
}

.hsc-choice-list li {
  margin: 0 !important;
  padding: 0 !important;
  list-style: none !important;
}

.hsc-choice-list li::before {
  display: none !important;
}

.hsc-choice-list li.right::after {
  display: none !important;
  content: none !important;
}

.hsc-choice-option {
  width: 100%;
  padding: 13px 15px;
  border-color: rgba(30, 77, 62, 0.28);
  background: rgba(255, 255, 255, 0.46);
  color: #2f2b23;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 17px;
  line-height: 1.25;
  text-align: left;
}

.hsc-choice-option.is-incorrect,
.hsc-instrument button.is-incorrect {
  border-color: #c66548;
  background: rgba(198, 101, 72, 0.13);
  animation: hsc-gentle-shake 360ms ease;
}

.hsc-choice-option.is-correct,
.hsc-question button.is-correct {
  border-color: #367b62;
  background: rgba(54, 123, 98, 0.13);
  color: #123c2f;
}

.hsc-choice-option.is-selected::after {
  content: " · your answer";
  color: #367b62;
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hsc-choice-status {
  min-height: 24px;
  margin: 7px 0 12px;
  color: #5e553f;
  font: 500 11px/1.5 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.04em;
}

.hsc-choice-answer[hidden] {
  display: none;
}

.hsc-journal {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(30, 77, 62, 0.24);
}

.hsc-journal label {
  display: block;
  margin-bottom: 8px;
  color: #2d5c4b;
  font: 600 10px/1.4 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hsc-journal textarea {
  width: 100%;
  min-height: 112px;
  resize: vertical;
  padding: 14px;
  border: 1px solid rgba(30, 77, 62, 0.3);
  background:
    repeating-linear-gradient(transparent 0 30px, rgba(30, 77, 62, 0.12) 30px 31px),
    rgba(255, 255, 255, 0.55);
  color: #2f2b23;
  font: 18px/31px "Cormorant Garamond", Georgia, serif;
}

.hsc-journal-actions {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hsc-journal button {
  padding: 0 14px;
  border-color: rgba(30, 77, 62, 0.4);
  background: #183f32;
  color: #fff;
  font-size: 9px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.hsc-journal-actions span {
  color: #6f6753;
  font: 500 10px/1.4 "DM Mono", ui-monospace, monospace;
}

.hsc-journal.is-saved button {
  background: #367b62;
}

.hsc-scenario-card {
  padding: 20px;
  border: 1px solid rgba(212, 175, 55, 0.16);
  background: rgba(255, 255, 255, 0.025);
}

.hsc-scenario-count {
  display: block;
  margin-bottom: 8px;
  color: var(--hsc-gold);
  font: 600 9px/1.3 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hsc-scenario-prompt {
  min-height: 58px;
  margin: 0 0 18px;
  color: var(--hsc-pearl);
  font: 600 22px/1.25 "Cormorant Garamond", Georgia, serif;
}

.hsc-scenario-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}

.hsc-scenario-option {
  padding: 11px;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hsc-scenario-status {
  min-height: 24px;
  margin-top: 14px;
}

.hsc-meter-output {
  padding: 18px;
  border: 1px solid rgba(212, 175, 55, 0.18);
}

.hsc-meter-output > span,
.hsc-result-grid span,
.hsc-mechanism-result span,
.hsc-rate-bars span {
  color: var(--hsc-gold);
  font: 600 9px/1.4 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hsc-meter-output > strong {
  display: block;
  margin: 4px 0 10px;
  font: 600 34px/1 "Playfair Display", Georgia, serif;
}

.hsc-meter-output > i,
.hsc-rate-bars i {
  height: 8px;
  display: block;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.07);
}

.hsc-meter-output > i b,
.hsc-rate-bars i b {
  height: 100%;
  display: block;
  background: linear-gradient(90deg, #8a7030, #66b896);
  transition: width 180ms ease;
}

.hsc-meter-output p {
  margin: 12px 0 0;
  color: var(--hsc-silver);
  font-size: 15px;
}

.hsc-control-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.hsc-control-grid-two {
  grid-template-columns: repeat(2, 1fr);
}

.hsc-range-control {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(212, 175, 55, 0.15);
  background: rgba(255, 255, 255, 0.02);
}

.hsc-range-control span {
  display: flex;
  min-height: 46px;
  flex-direction: column;
  gap: 3px;
}

.hsc-range-control strong {
  color: var(--hsc-pearl);
  font: 600 11px/1.3 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hsc-range-control em {
  color: var(--hsc-silver);
  font: normal 13px/1.3 "Cormorant Garamond", Georgia, serif;
}

.hsc-range-control input,
.hsc-rate-dial input,
.hsc-toy-control input {
  width: 100%;
  min-height: 44px;
  accent-color: var(--hsc-gold);
  cursor: pointer;
}

.hsc-gravity-stage {
  position: relative;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.16);
}

.hsc-gravity-us,
.hsc-gravity-world {
  position: relative;
  z-index: 2;
  width: 96px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--hsc-gold);
  border-radius: 50%;
  background: #111319;
  color: var(--hsc-pearl);
  font: 600 10px/1.2 "DM Mono", ui-monospace, monospace;
  text-align: center;
  transition: transform 180ms ease;
}

.hsc-gravity-world {
  border-color: #66b896;
}

.hsc-gravity-line {
  --hsc-gravity-bias: 50%;
  width: min(220px, 35vw);
  height: 2px;
  display: block;
  background: linear-gradient(
    90deg,
    var(--hsc-gold) 0 var(--hsc-gravity-bias),
    #66b896 var(--hsc-gravity-bias) 100%
  );
}

.hsc-rate-dial {
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr) auto;
  align-items: center;
  gap: 14px;
  color: var(--hsc-silver);
  font: 600 9px/1.3 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hsc-rate-bars {
  margin: 18px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.hsc-rate-bars > div {
  display: grid;
  gap: 7px;
}

.hsc-mechanism-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.hsc-mechanism-toggle {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  text-align: left;
}

.hsc-mechanism-toggle strong {
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hsc-mechanism-toggle span {
  color: var(--hsc-silver);
  font: 15px/1.3 "Cormorant Garamond", Georgia, serif;
}

.hsc-mechanism-toggle[data-state="0"] {
  border-bottom-color: #c66548;
}

.hsc-mechanism-toggle[data-state="2"] {
  border-bottom-color: #66b896;
}

.hsc-mechanism-result {
  margin-top: 14px;
  padding: 18px;
  border-left: 3px solid var(--hsc-gold);
  background: rgba(212, 175, 55, 0.06);
}

.hsc-mechanism-result strong {
  display: block;
  margin: 4px 0;
  color: var(--hsc-pearl);
  font: 600 28px/1.1 "Playfair Display", Georgia, serif;
}

.hsc-mechanism-result p {
  margin: 0;
  color: var(--hsc-silver);
}

.hsc-sequence-bank {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 9px;
}

.hsc-sequence-option {
  padding: 12px;
  font-size: 10px;
  letter-spacing: 0.05em;
}

.hsc-sequence-option.is-used {
  border-color: rgba(102, 184, 150, 0.6);
  background: rgba(102, 184, 150, 0.1);
  color: #a6d8c5;
}

.hsc-sequence-built {
  margin: 16px 0;
  padding-left: 24px;
  color: var(--hsc-pearl);
}

.hsc-sequence-built li {
  margin: 6px 0;
}

.hsc-assembly-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.hsc-assembly-card {
  min-height: 152px !important;
  padding: 13px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.hsc-assembly-card span {
  color: var(--hsc-gold);
  font-size: 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hsc-assembly-card strong {
  margin-top: auto;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 18px;
}

.hsc-assembly-card p {
  max-height: 0;
  margin: 0;
  overflow: hidden;
  opacity: 0;
  color: var(--hsc-silver);
  font: 14px/1.35 "Cormorant Garamond", Georgia, serif;
  transition: max-height 180ms ease, opacity 180ms ease, margin 180ms ease;
}

.hsc-assembly-card.is-open {
  border-color: #66b896;
  background: rgba(102, 184, 150, 0.08);
}

.hsc-assembly-card.is-open p {
  max-height: 100px;
  margin-top: 9px;
  opacity: 1;
}

.hsc-question-stack {
  display: grid;
  gap: 14px;
}

.hsc-question {
  margin: 0;
  padding: 18px;
  border: 1px solid rgba(212, 175, 55, 0.16);
}

.hsc-question legend {
  padding: 0 7px;
  color: var(--hsc-pearl);
  font: 600 18px/1.3 "Cormorant Garamond", Georgia, serif;
}

.hsc-question > div {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.hsc-question button {
  padding: 10px;
  font-size: 9px;
  line-height: 1.4;
}

.hsc-question p {
  min-height: 24px;
  margin-top: 10px;
}

.hsc-share-equation {
  display: block;
  margin: 2px 0 12px;
  padding: 10px 12px;
  border-left: 2px solid var(--hsc-gold);
  background: rgba(212, 175, 55, 0.055);
  color: #a6d8c5;
  font: 600 10px/1.55 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.035em;
}

.hsc-vault-file {
  display: block;
  margin-bottom: 6px;
  color: var(--hsc-gold);
  font: 600 8px/1.3 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hsc-tax-map {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 9px;
}

.hsc-tax-map-card {
  min-height: 128px !important;
  padding: 14px;
  display: flex;
  flex-direction: column;
  text-align: left;
}

.hsc-tax-map-card strong {
  margin: auto 0 6px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 18px;
}

.hsc-tax-map-card span {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  color: var(--hsc-silver);
  font: 14px/1.35 "Cormorant Garamond", Georgia, serif;
  transition: max-height 180ms ease, opacity 180ms ease;
}

.hsc-tax-map-card.is-open {
  border-color: #66b896;
  background: rgba(102, 184, 150, 0.08);
}

.hsc-tax-map-card.is-open span {
  max-height: 110px;
  opacity: 1;
}

.hsc-sort-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.hsc-sort-layout fieldset {
  margin: 0;
  padding: 14px;
  border: 1px solid rgba(212, 175, 55, 0.16);
}

.hsc-sort-layout legend {
  padding: 0 6px;
  color: var(--hsc-gold);
  font: 600 9px/1.4 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hsc-sort-bank,
.hsc-sort-buckets,
.hsc-nudge-bank {
  display: grid;
  gap: 8px;
}

.hsc-sort-option,
.hsc-sort-bucket,
.hsc-nudge-option {
  padding: 11px;
  font-size: 9px;
  line-height: 1.35;
  text-align: left;
}

.hsc-sort-option.is-selected,
.hsc-nudge-option.is-selected {
  border-color: var(--hsc-gold);
  background: rgba(212, 175, 55, 0.11);
}

.hsc-sort-option.is-matched,
.hsc-nudge-option.is-matched {
  border-color: #66b896;
  background: rgba(102, 184, 150, 0.08);
  color: #a6d8c5;
}

.hsc-nudge-actions {
  margin: 12px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.hsc-nudge-actions button {
  padding: 11px;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hsc-result-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}

.hsc-result-grid > div {
  min-height: 94px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid rgba(212, 175, 55, 0.16);
}

.hsc-result-grid > div.is-emphasis {
  border-color: rgba(102, 184, 150, 0.55);
  background: rgba(102, 184, 150, 0.06);
}

.hsc-result-grid strong {
  margin-top: 6px;
  color: var(--hsc-pearl);
  font: 600 clamp(20px, 4vw, 30px)/1 "Playfair Display", Georgia, serif;
}

.hsc-reaction-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}

.hsc-reaction-option {
  padding: 14px;
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hsc-reaction-option.is-selected {
  border-color: #66b896;
  background: rgba(102, 184, 150, 0.1);
  color: #a6d8c5;
}

.hsc-reaction-mirror {
  min-height: 88px;
  margin-top: 12px;
  padding: 16px;
  border-left: 3px solid var(--hsc-gold);
  background: rgba(212, 175, 55, 0.06);
}

.hsc-reaction-mirror strong {
  color: var(--hsc-gold);
  font: 600 9px/1.4 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hsc-reaction-mirror p {
  margin: 6px 0 0;
  color: var(--hsc-silver);
}

.hsc-price-path {
  height: 180px;
  margin-bottom: 18px;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.hsc-price-path i {
  position: relative;
  min-width: 0;
  flex: 1;
  display: block;
  background: rgba(160, 170, 178, 0.14);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.hsc-price-path i.is-active {
  background: rgba(212, 175, 55, 0.46);
}

.hsc-price-path i.is-current {
  background: #66b896;
  box-shadow: 0 0 18px rgba(102, 184, 150, 0.25);
}

.hsc-price-path span {
  position: absolute;
  top: -21px;
  left: 50%;
  color: var(--hsc-silver);
  font: 600 9px/1 "DM Mono", ui-monospace, monospace;
  transform: translateX(-50%);
}

.hsc-claim-options,
.hsc-waterfall-controls,
.hsc-action-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 9px;
}

.hsc-claim-options button,
.hsc-waterfall-controls button,
.hsc-action-grid button {
  padding: 11px;
  font-size: 9px;
  line-height: 1.35;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hsc-waterfall-controls {
  grid-template-columns: repeat(3, 1fr);
}

.hsc-waterfall-controls button.is-visited {
  border-color: rgba(102, 184, 150, 0.58);
  color: #a6d8c5;
}

.hsc-waterfall-controls button.is-current {
  border-color: var(--hsc-gold);
  background: rgba(212, 175, 55, 0.12);
  color: var(--hsc-pearl);
}

.hsc-waterfall-track {
  min-height: 86px;
  margin: 18px 0;
  display: flex;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.2);
  background: rgba(255, 255, 255, 0.025);
}

.hsc-waterfall-track i {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid rgba(11, 12, 16, 0.4);
  color: #fff;
  font: normal 600 9px/1.2 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: width 240ms ease, opacity 180ms ease;
}

.hsc-waterfall-track i[data-claim="debt"] {
  background: #735d26;
}

.hsc-waterfall-track i[data-claim="preferred"] {
  background: #367b62;
}

.hsc-waterfall-track i[data-claim="common"] {
  background: #88432f;
}

.hsc-waterfall-track i.is-empty {
  overflow: hidden;
  opacity: 0;
}

.hsc-route-layout {
  display: grid;
  grid-template-columns: minmax(170px, 0.72fr) minmax(0, 1.28fr);
  gap: 16px;
}

.hsc-route-bank {
  display: grid;
  align-content: start;
  gap: 8px;
}

.hsc-route-option {
  padding: 11px;
  font-size: 9px;
  line-height: 1.35;
  letter-spacing: 0.06em;
  text-align: left;
  text-transform: uppercase;
}

.hsc-route-option.is-used {
  border-color: rgba(102, 184, 150, 0.55);
  background: rgba(102, 184, 150, 0.08);
  color: #a6d8c5;
}

.hsc-route-built {
  min-height: 304px;
  margin: 0;
  padding: 0;
  counter-reset: route;
  list-style: none;
  border-left: 1px solid rgba(212, 175, 55, 0.24);
}

.hsc-route-built li {
  position: relative;
  margin: 0 0 10px 28px;
  padding: 11px 12px 11px 15px;
  counter-increment: route;
  border: 1px solid rgba(212, 175, 55, 0.14);
  background: rgba(255, 255, 255, 0.025);
}

.hsc-route-built li::before {
  position: absolute;
  top: 11px;
  left: -43px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--hsc-gold);
  border-radius: 50%;
  background: var(--hsc-obsidian);
  color: var(--hsc-gold);
  content: counter(route, decimal-leading-zero);
  font: 600 8px/1 "DM Mono", ui-monospace, monospace;
}

.hsc-route-built strong,
.hsc-route-built span {
  display: block;
}

.hsc-route-built strong {
  color: var(--hsc-pearl);
  font: 600 16px/1.2 "Playfair Display", Georgia, serif;
}

.hsc-route-built span {
  margin-top: 4px;
  color: var(--hsc-silver);
  font: 14px/1.3 "Cormorant Garamond", Georgia, serif;
}

.hsc-action-result {
  min-height: 180px;
  margin-top: 14px;
  padding: 18px;
  border-left: 3px solid var(--hsc-gold);
  background: rgba(212, 175, 55, 0.055);
}

.hsc-action-result > span {
  color: var(--hsc-gold);
  font: 600 9px/1.3 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hsc-action-result > div {
  margin: 10px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.hsc-action-result p {
  margin: 0;
  padding: 12px;
  border: 1px solid rgba(212, 175, 55, 0.13);
  color: var(--hsc-silver);
  font-size: 15px;
}

.hsc-action-result b {
  display: block;
  margin-bottom: 4px;
  color: var(--hsc-pearl);
  font: 600 8px/1.3 "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hsc-action-result > strong {
  display: block;
  color: var(--hsc-pearl);
  font: 600 18px/1.35 "Playfair Display", Georgia, serif;
}

.hsc-action-grid button.is-opened {
  border-color: rgba(102, 184, 150, 0.55);
  color: #a6d8c5;
}

.hsc-action-grid button.is-current {
  border-color: var(--hsc-gold);
  background: rgba(212, 175, 55, 0.12);
  color: var(--hsc-pearl);
}

.hsc-document-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}

.hsc-document-card {
  min-height: 168px !important;
  padding: 14px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.hsc-document-card span {
  color: var(--hsc-gold);
  font-size: 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hsc-document-card strong {
  margin-top: auto;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 17px;
}

.hsc-document-card p {
  max-height: 0;
  margin: 0;
  overflow: hidden;
  opacity: 0;
  color: var(--hsc-silver);
  font: 14px/1.35 "Cormorant Garamond", Georgia, serif;
  transition: max-height 180ms ease, opacity 180ms ease, margin 180ms ease;
}

.hsc-document-card.is-open {
  border-color: #66b896;
  background: rgba(102, 184, 150, 0.08);
}

.hsc-document-card.is-open p {
  max-height: 120px;
  margin-top: 9px;
  opacity: 1;
}

@keyframes hsc-gentle-shake {
  0%, 100% { transform: translateX(0); }
  35% { transform: translateX(-4px); }
  70% { transform: translateX(4px); }
}

@media (max-width: 1020px) {
  .hsc-progress-rail {
    display: none;
  }
}

@media (max-width: 760px) {
  .hsc-mini-inner {
    min-height: 60px;
    grid-template-columns: 1fr auto;
    gap: 10px;
    padding: 8px 12px;
  }

  .hsc-series-map {
    grid-row: 2;
    grid-column: 1 / -1;
    justify-content: flex-start;
    padding-top: 7px;
    border-top: 1px solid rgba(212, 175, 55, 0.12);
  }

  .hsc-series-link {
    width: 44px;
    height: 44px;
  }

  .hsc-mini-actions {
    grid-row: 1;
    grid-column: 2;
  }

  .hsc-mini-action {
    display: none;
  }

  .hsc-resume-button {
    min-height: 44px;
  }

  .hsc-season-experience {
    grid-template-columns: 1fr;
  }

  .hsc-season-copy {
    padding: 16px 0 0;
    border-top: 2px solid var(--gold);
    border-left: 0;
  }

  .hsc-match-grid {
    grid-template-columns: 1fr;
  }

  .hsc-enhanced .module {
    scroll-margin-top: 186px;
  }

  .hsc-instrument-head,
  .hsc-sort-layout,
  .hsc-route-layout {
    grid-template-columns: 1fr;
  }

  .hsc-control-grid,
  .hsc-control-grid-two,
  .hsc-mechanism-buttons,
  .hsc-question > div,
  .hsc-result-grid,
  .hsc-reaction-options {
    grid-template-columns: 1fr;
  }

  .hsc-scenario-actions,
  .hsc-tax-map {
    grid-template-columns: repeat(2, 1fr);
  }

  .hsc-assembly-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hsc-claim-options,
  .hsc-action-grid,
  .hsc-document-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hsc-gravity-us,
  .hsc-gravity-world {
    width: 76px;
    height: 76px;
    font-size: 8px;
  }
}

@media (max-width: 520px) {
  .hsc-mini-course strong {
    max-width: 210px;
    font-size: 13px;
  }

  .hsc-resume-button {
    max-width: 122px;
    padding: 0 8px;
    font-size: 8px;
  }

  .hsc-crowd-canvas {
    height: 184px;
  }

  .hsc-toy-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .hsc-season-dial {
    width: min(230px, 80vw);
  }

  .hsc-completion-card {
    grid-template-columns: 1fr;
  }

  .hsc-instrument {
    width: calc(100% + 18px);
    margin-left: -9px;
    padding: 18px 14px;
  }

  .hsc-scenario-actions,
  .hsc-tax-map,
  .hsc-sequence-bank,
  .hsc-assembly-grid,
  .hsc-claim-options,
  .hsc-waterfall-controls,
  .hsc-action-grid,
  .hsc-document-grid,
  .hsc-nudge-actions,
  .hsc-rate-bars {
    grid-template-columns: 1fr;
  }

  .hsc-rate-dial {
    grid-template-columns: 1fr;
  }

  .hsc-rate-dial span:last-child {
    text-align: right;
  }

  .hsc-journal-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hsc-action-result > div {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hsc-enhanced .hsc-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hsc-season-pointer,
  .hsc-door,
  .hsc-match-option,
  .hsc-instrument button,
  .hsc-choice-option,
  .hsc-gravity-us,
  .hsc-gravity-world,
  .hsc-price-path i,
  .hsc-series-link,
  .hsc-rail-link {
    transition: none;
  }

  .hsc-choice-option.is-incorrect,
  .hsc-instrument button.is-incorrect {
    animation: none;
  }
}

/* --------------------------------------------------------------------------
   THE OBSIDIAN VAULT
   The original lesson documents were intentionally preserved while the
   interactive layer was built. The finished reading mode now brings the
   authored pages into the same black-marble, gold, and jade world as the
   surrounding KeepMore experience.
   -------------------------------------------------------------------------- */
@media screen {
  body.hsc-enhanced {
    --hsc-course-accent: #d4af37;
    --hsc-course-accent-rgb: 212, 175, 55;
    --hsc-marble-image: url("/images/redesign/hero/section_dark_marble.jpg");
    --hsc-marble-scrim-top: 0.18;
    --hsc-marble-scrim-bottom: 0.62;
    --ink: #f2eee5;
    --paper: #11151a;
    --paper-2: #090c10;
    --gold: #d4af37;
    --rule: rgba(212, 175, 55, 0.18);
    --rule-dark: rgba(212, 175, 55, 0.42);
    --green: #66b896;
    --rust: #d78769;
    color: #ddd7ca;
    color-scheme: dark;
    background-color: #050609;
    background-image:
      linear-gradient(rgba(2, 4, 7, 0.76), rgba(2, 3, 6, 0.91)),
      url("/images/redesign/hero/section_dark_marble.jpg");
    background-position: center top;
    background-size: auto, cover;
  }

  body.hsc-enhanced[data-hsc-course="course-one"] {
    --hsc-course-accent: #d4af37;
    --hsc-course-accent-rgb: 212, 175, 55;
    --hsc-marble-image: url("/images/redesign/hero/section_dark_marble.jpg");
    --hsc-marble-scrim-top: 0.18;
    --hsc-marble-scrim-bottom: 0.62;
  }

  body.hsc-enhanced[data-hsc-course="course-two"] {
    --hsc-course-accent: #6f97d8;
    --hsc-course-accent-rgb: 111, 151, 216;
    --hsc-marble-image: url("/images/head-start/marble/course-02-sapphire.jpg");
    --hsc-marble-scrim-top: 0.42;
    --hsc-marble-scrim-bottom: 0.74;
  }

  body.hsc-enhanced[data-hsc-course="course-three"] {
    --hsc-course-accent: #6fa68b;
    --hsc-course-accent-rgb: 111, 166, 139;
    --hsc-marble-image: url("/images/head-start/marble/course-03-emerald.jpg");
    --hsc-marble-scrim-top: 0.32;
    --hsc-marble-scrim-bottom: 0.66;
  }

  body.hsc-enhanced[data-hsc-course="course-four"] {
    --hsc-course-accent: #bd6c68;
    --hsc-course-accent-rgb: 189, 108, 104;
    --hsc-marble-image: url("/images/head-start/marble/course-04-oxblood.jpg");
    --hsc-marble-scrim-top: 0.32;
    --hsc-marble-scrim-bottom: 0.68;
  }

  body.hsc-enhanced[data-hsc-course="course-five"] {
    --hsc-course-accent: #9b78c6;
    --hsc-course-accent-rgb: 155, 120, 198;
    --hsc-marble-image: url("/images/head-start/marble/course-05-amethyst.jpg");
    --hsc-marble-scrim-top: 0.42;
    --hsc-marble-scrim-bottom: 0.72;
  }

  body.hsc-enhanced::selection,
  body.hsc-enhanced *::selection {
    background: rgba(212, 175, 55, 0.32);
    color: #fffdf7;
  }

  .hsc-enhanced .sheet {
    isolation: isolate;
    max-width: 900px;
    overflow: hidden;
    border: 1px solid rgba(var(--hsc-course-accent-rgb), 0.58);
    border-top-color: rgba(var(--hsc-course-accent-rgb), 0.94);
    background-color: #090c10;
    background-image:
      radial-gradient(ellipse 12% 22% at 18% 0%, rgba(255, 250, 235, 0.13), transparent 74%),
      radial-gradient(ellipse 12% 22% at 50% 0%, rgba(255, 250, 235, 0.1), transparent 74%),
      radial-gradient(ellipse 12% 22% at 82% 0%, rgba(255, 250, 235, 0.13), transparent 74%),
      linear-gradient(180deg, rgba(3, 4, 6, var(--hsc-marble-scrim-top)), rgba(2, 3, 5, var(--hsc-marble-scrim-bottom))),
      var(--hsc-marble-image);
    background-position: center top;
    background-repeat: no-repeat, no-repeat, no-repeat, no-repeat, repeat-y;
    background-size: auto, auto, auto, auto, 1320px auto;
    box-shadow:
      0 54px 130px rgba(0, 0, 0, 0.82),
      inset 0 1px 0 rgba(255, 236, 169, 0.15),
      inset 0 0 110px rgba(0, 0, 0, 0.38);
  }

  .hsc-enhanced .sheet::before {
    position: absolute;
    z-index: -1;
    inset: 0;
    pointer-events: none;
    background:
      linear-gradient(90deg, rgba(0, 0, 0, 0.3), transparent 11%, transparent 89%, rgba(0, 0, 0, 0.34)),
      repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.012) 0 1px, transparent 1px 5px);
    content: "";
  }

  .hsc-enhanced .guilloche {
    height: 8px;
    opacity: 1;
    background:
      linear-gradient(90deg, transparent, rgba(var(--hsc-course-accent-rgb), 0.8) 18%, var(--hsc-course-accent) 50%, rgba(var(--hsc-course-accent-rgb), 0.8) 82%, transparent),
      repeating-linear-gradient(90deg, transparent 0 5px, rgba(255, 240, 185, 0.5) 5px 6px, transparent 6px 11px);
    box-shadow: none;
  }

  .hsc-enhanced .masthead {
    border-bottom-color: rgba(212, 175, 55, 0.62);
  }

  .hsc-enhanced .mark img {
    filter: brightness(1.28) contrast(1.04);
  }

  .hsc-enhanced .series,
  .hsc-enhanced .tagline,
  .hsc-enhanced .kicker,
  .hsc-enhanced .module-tag,
  .hsc-enhanced .finding .lbl,
  .hsc-enhanced .reflect .lbl,
  .hsc-enhanced .frame .el .k,
  .hsc-enhanced .footnote,
  .hsc-enhanced .compliance {
    color: #aaa495;
  }

  .hsc-enhanced .tagline,
  .hsc-enhanced .kicker,
  .hsc-enhanced .finding .lbl,
  .hsc-enhanced .insight .lbl,
  .hsc-enhanced .map .mi .mn,
  .hsc-enhanced .endmark {
    color: var(--hsc-gold-light);
    text-shadow: 0 0 18px rgba(212, 175, 55, 0.13);
  }

  .hsc-enhanced h1,
  .hsc-enhanced h3,
  .hsc-enhanced h4,
  .hsc-enhanced .module-title,
  .hsc-enhanced .mark,
  .hsc-enhanced .finding .stat,
  .hsc-enhanced ol.method li b,
  .hsc-enhanced .compliance .co {
    color: #f4f0e7;
  }

  .hsc-enhanced h1 {
    text-shadow: 0 8px 34px rgba(0, 0, 0, 0.45);
  }

  .hsc-enhanced h1 em,
  .hsc-enhanced .module-tag b,
  .hsc-enhanced .dropcap::first-letter {
    color: var(--hsc-gold-light);
    text-shadow: 0 0 26px rgba(212, 175, 55, 0.16);
  }

  .hsc-enhanced h2 {
    color: #84c7ac;
  }

  .hsc-enhanced h2::before {
    background: linear-gradient(90deg, var(--hsc-gold), var(--hsc-course-accent));
    box-shadow: none;
  }

  .hsc-enhanced .sheet p,
  .hsc-enhanced .sheet li,
  .hsc-enhanced .stack span,
  .hsc-enhanced .lede,
  .hsc-enhanced .pillar p,
  .hsc-enhanced .step p,
  .hsc-enhanced .seq li p,
  .hsc-enhanced .kc-answer,
  .hsc-enhanced .reflect p,
  .hsc-enhanced .band p,
  .hsc-enhanced .frame .el p,
  .hsc-enhanced .map .mi p {
    color: #d8d2c5;
  }

  .hsc-enhanced .lede {
    color: #dcd5c7;
  }

  .hsc-enhanced .lede strong {
    color: #f0b49d;
  }

  .hsc-enhanced .sheet a {
    color: var(--hsc-gold-light);
    text-decoration-color: rgba(212, 175, 55, 0.42);
    text-underline-offset: 3px;
  }

  .hsc-enhanced .rule,
  .hsc-enhanced .rule-thin {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.46), transparent);
  }

  .hsc-enhanced .module {
    position: relative;
    padding: 24px 0 8px;
  }

  .hsc-enhanced .module-title {
    max-width: 18ch;
    text-wrap: balance;
  }

  .hsc-enhanced .finding,
  .hsc-enhanced .col,
  .hsc-enhanced .pillar,
  .hsc-enhanced .step,
  .hsc-enhanced .insight,
  .hsc-enhanced .kc,
  .hsc-enhanced .reflect,
  .hsc-enhanced .band {
    border-color: rgba(212, 175, 55, 0.22);
    background:
      radial-gradient(circle at 100% 0%, rgba(212, 175, 55, 0.07), transparent 13rem),
      linear-gradient(145deg, rgba(24, 28, 34, 0.9), rgba(7, 10, 14, 0.92));
    box-shadow:
      0 16px 38px rgba(0, 0, 0, 0.28),
      inset 0 1px 0 rgba(255, 255, 255, 0.035);
  }

  .hsc-enhanced .finding {
    border-left-color: var(--hsc-gold);
  }

  .hsc-enhanced .finding .stat {
    font-size: clamp(27px, 5vw, 38px);
  }

  .hsc-enhanced .col.up,
  .hsc-enhanced .pillar,
  .hsc-enhanced .band.g {
    border-top-color: rgba(102, 184, 150, 0.72);
  }

  .hsc-enhanced .col.down,
  .hsc-enhanced .band.r {
    border-top-color: rgba(215, 135, 105, 0.72);
  }

  .hsc-enhanced .col .hd {
    border-bottom-color: rgba(212, 175, 55, 0.2);
  }

  .hsc-enhanced .col.up .hd,
  .hsc-enhanced .band.g h4 {
    color: #84c7ac;
  }

  .hsc-enhanced .col.down .hd,
  .hsc-enhanced .band.r h4 {
    color: #e7a68e;
  }

  .hsc-enhanced .col li,
  .hsc-enhanced .map .mi {
    border-color: rgba(212, 175, 55, 0.14);
  }

  .hsc-enhanced .col li::before {
    border-color: rgba(212, 175, 55, 0.5);
  }

  .hsc-enhanced .step .sn,
  .hsc-enhanced ol.method li::before,
  .hsc-enhanced .seq li::before {
    border-color: rgba(212, 175, 55, 0.58);
    background: #0b0e12;
    color: var(--hsc-gold-light);
    box-shadow: 0 0 16px rgba(212, 175, 55, 0.08);
  }

  .hsc-enhanced .seq {
    border-left-color: rgba(212, 175, 55, 0.38);
  }

  .hsc-enhanced .flow.cols4 .step:not(:last-child)::after {
    background: #0b0e12;
    color: var(--hsc-gold-light);
  }

  .hsc-enhanced .pull {
    position: relative;
    margin: 38px 0;
    padding: 25px 36px;
    border-top: 1px solid rgba(212, 175, 55, 0.26);
    border-bottom: 1px solid rgba(212, 175, 55, 0.26);
    color: #f0d98e;
    text-shadow: 0 0 24px rgba(212, 175, 55, 0.1);
  }

  .hsc-enhanced .insight {
    border-left: 3px solid rgba(102, 184, 150, 0.68);
  }

  .hsc-enhanced .insight p {
    color: #ded8cb;
  }

  .hsc-enhanced .kc {
    overflow: hidden;
    border-color: rgba(102, 184, 150, 0.38);
  }

  .hsc-enhanced .kc-hd {
    border-bottom: 1px solid rgba(102, 184, 150, 0.38);
    background:
      linear-gradient(90deg, rgba(27, 77, 62, 0.96), rgba(15, 36, 31, 0.96));
    color: #eef9f4;
  }

  .hsc-enhanced .kc-q {
    color: #f2eee5;
  }

  .hsc-enhanced .kc-opts li {
    border-color: rgba(212, 175, 55, 0.2);
    background: rgba(255, 255, 255, 0.025);
    color: #d8d2c5;
  }

  .hsc-enhanced .kc-opts li.right {
    border-color: rgba(102, 184, 150, 0.66);
    background: rgba(54, 123, 98, 0.16);
    color: #dff3ea;
  }

  .hsc-enhanced .kc-answer {
    border-top-color: rgba(212, 175, 55, 0.28);
  }

  .hsc-enhanced .reflect {
    border-style: solid;
    border-color: rgba(102, 184, 150, 0.3);
  }

  .hsc-enhanced .reflect .line {
    background: rgba(102, 184, 150, 0.22);
  }

  .hsc-enhanced .frame .el {
    border-left-color: var(--hsc-gold);
  }

  .hsc-enhanced .compliance {
    border-top-color: rgba(212, 175, 55, 0.36);
  }

  .hsc-mini-header {
    border-bottom-color: rgba(var(--hsc-course-accent-rgb), 0.54);
    background:
      linear-gradient(rgba(5, 7, 10, 0.91), rgba(5, 7, 10, 0.96)),
      url("/images/redesign/hero/section_dark_marble.jpg") center 42% / cover;
    box-shadow:
      0 16px 48px rgba(0, 0, 0, 0.48),
      inset 0 -1px 0 rgba(212, 175, 55, 0.08);
  }

  .hsc-series-link.is-current {
    border-color: var(--hsc-course-accent);
    background: rgba(var(--hsc-course-accent-rgb), 0.12);
    color: #fff8ed;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  }

  .hsc-progress-rail {
    padding: 14px 7px;
    border: 1px solid rgba(212, 175, 55, 0.13);
    background: rgba(5, 7, 10, 0.72);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.34);
    backdrop-filter: blur(12px);
  }

  .hsc-rail-fill {
    background: linear-gradient(var(--hsc-gold-light), var(--hsc-course-accent));
    box-shadow: none;
  }

  .hsc-rail-link:hover,
  .hsc-rail-link:focus-visible,
  .hsc-rail-link.is-active {
    border-color: var(--hsc-course-accent);
    background: rgba(var(--hsc-course-accent-rgb), 0.14);
    color: #fff8ed;
    box-shadow: none;
  }

  .hsc-instrument,
  .hsc-crowd-toy,
  .hsc-completion-card,
  .hsc-next-door {
    border-color: rgba(var(--hsc-course-accent-rgb), 0.44);
    background:
      linear-gradient(145deg, rgba(12, 15, 20, 0.94), rgba(4, 6, 9, 0.97)),
      url("/images/redesign/hero/section_dark_marble.jpg") center / cover;
    box-shadow:
      0 26px 64px rgba(0, 0, 0, 0.52),
      inset 0 1px 0 rgba(255, 236, 169, 0.08);
  }

  .hsc-instrument {
    border-top-color: var(--hsc-course-accent);
    box-shadow:
      0 30px 70px rgba(0, 0, 0, 0.54),
      inset 0 1px 0 rgba(255, 236, 169, 0.1);
  }

  .hsc-instrument.is-complete {
    border-color: rgba(102, 184, 150, 0.7);
    box-shadow:
      0 30px 70px rgba(0, 0, 0, 0.54),
      0 0 30px rgba(102, 184, 150, 0.08),
      inset 0 1px 0 rgba(196, 255, 229, 0.08);
  }

  .hsc-instrument button,
  .hsc-journal button,
  .hsc-choice-option {
    border-color: rgba(212, 175, 55, 0.3);
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
    color: #f0ece3;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.025);
  }

  .hsc-instrument button:hover:not(:disabled),
  .hsc-instrument button:focus-visible:not(:disabled),
  .hsc-journal button:hover,
  .hsc-journal button:focus-visible,
  .hsc-choice-option:hover:not(:disabled),
  .hsc-choice-option:focus-visible:not(:disabled) {
    border-color: var(--hsc-gold-light);
    background: rgba(212, 175, 55, 0.13);
    box-shadow:
      0 8px 24px rgba(0, 0, 0, 0.24),
      0 0 16px rgba(212, 175, 55, 0.08);
  }

  .hsc-choice-option.is-incorrect,
  .hsc-instrument button.is-incorrect {
    border-color: #d78769;
    background: rgba(215, 135, 105, 0.14);
    color: #f7d8cc;
  }

  .hsc-choice-option.is-correct,
  .hsc-question button.is-correct {
    border-color: #66b896;
    background: rgba(54, 123, 98, 0.22);
    color: #dff6eb;
  }

  .hsc-choice-option.is-selected::after {
    color: #8ed1b6;
  }

  .hsc-choice-status,
  .hsc-journal label,
  .hsc-journal-actions span {
    color: #9fd4bf;
  }

  .hsc-journal {
    border-top-color: rgba(102, 184, 150, 0.3);
  }

  .hsc-journal textarea {
    border-color: rgba(102, 184, 150, 0.38);
    background:
      repeating-linear-gradient(transparent 0 30px, rgba(102, 184, 150, 0.1) 30px 31px),
      rgba(4, 9, 10, 0.76);
    color: #f0ece3;
    caret-color: var(--hsc-gold-light);
  }

  .hsc-journal textarea::placeholder {
    color: #858d88;
  }

  .hsc-journal button {
    border-color: rgba(102, 184, 150, 0.55);
    background: linear-gradient(180deg, #235644, #173c30);
  }

  .hsc-scenario-card,
  .hsc-range-control,
  .hsc-meter-output,
  .hsc-gravity-stage,
  .hsc-question,
  .hsc-result-grid > div,
  .hsc-sort-layout fieldset,
  .hsc-route-built li,
  .hsc-action-result p {
    border-color: rgba(212, 175, 55, 0.2);
    background: rgba(255, 255, 255, 0.022);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.025);
  }

  .hsc-mechanism-result,
  .hsc-reaction-mirror,
  .hsc-action-result,
  .hsc-share-equation {
    border-left-color: var(--hsc-gold-light);
    background: linear-gradient(90deg, rgba(212, 175, 55, 0.1), rgba(212, 175, 55, 0.025));
  }

  .hsc-enhanced .source-note {
    border-color: rgba(212, 175, 55, 0.2);
    background: rgba(255, 255, 255, 0.02);
    color: #aaa495;
  }

  .hsc-enhanced .source-note strong {
    color: #f0ece3;
  }

  .hsc-enhanced .source-note a {
    color: var(--hsc-gold-light);
  }

  .hsc-meter-output > i,
  .hsc-rate-bars i,
  .hsc-price-path {
    border-color: rgba(212, 175, 55, 0.24);
    background-color: rgba(0, 0, 0, 0.34);
  }
}

@media screen and (max-width: 680px) {
  body.hsc-enhanced {
    padding: 18px 8px 48px;
    background-attachment: scroll;
  }

  .hsc-enhanced .sheet {
    padding: 42px 22px 44px;
    background-size: auto, auto, auto, 940px auto;
    box-shadow:
      0 28px 70px rgba(0, 0, 0, 0.74),
      0 0 0 1px rgba(212, 175, 55, 0.08),
      inset 0 1px 0 rgba(255, 236, 169, 0.12);
  }

  .hsc-enhanced .pull {
    padding: 22px 8px;
  }

  .hsc-enhanced .module {
    padding-top: 18px;
  }
}

@media print {
  body.hsc-enhanced {
    background: #fff;
  }

  .hsc-mini-header,
  .hsc-progress-rail,
  .hsc-crowd-toy,
  .hsc-instrument,
  .hsc-journal {
    display: none !important;
  }

  .hsc-enhanced .sheet {
    box-shadow: none;
  }

  .hsc-enhanced .hsc-reveal {
    opacity: 1;
    transform: none;
  }
}