/* ============================================================
   TRACK TWENTY SIX — PHASE 3 INTERACTIVE COMPONENTS
   Extends the existing design system. No identity changes.
   ============================================================ */

/* ---------- Header search button ---------- */
.header-search {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 44px;
  padding: 0 0.8rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: inherit;
  background: transparent;
  border: 1px solid rgba(245, 243, 238, 0.35);
  border-radius: var(--radius-pill);
  transition: color var(--duration-fast) var(--ease),
    border-color var(--duration-fast) var(--ease);
}

.header-search__icon {
  width: 18px;
  height: 18px;
}

.header-search__label {
  display: none;
}

.header-search:hover,
.header-search:focus-visible {
  color: var(--color-accent-soft);
  border-color: var(--color-accent-soft);
}

@media (min-width: 640px) {
  .header-search__label {
    display: inline;
  }
}

/* ---------- Chips ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-forest);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease),
    color var(--duration-fast) var(--ease),
    border-color var(--duration-fast) var(--ease);
}

.chip:hover {
  border-color: var(--color-accent);
}

.chip.is-active {
  color: var(--color-offwhite);
  background: var(--color-forest);
  border-color: var(--color-forest);
}

.chip--removable {
  color: var(--color-forest);
  background: rgba(196, 122, 50, 0.14);
  border-color: rgba(196, 122, 50, 0.45);
}

/* ---------- Global search overlay ---------- */
.search {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: clamp(0.75rem, 4vh, 3rem) 0.75rem;
}

.search[hidden] {
  display: none;
}

.search__scrim {
  position: absolute;
  inset: 0;
  background: rgba(8, 20, 16, 0.72);
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
}

.search__panel {
  position: relative;
  width: min(100%, 760px);
  max-height: calc(100vh - 2rem);
  display: flex;
  flex-direction: column;
  background: var(--color-offwhite);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity var(--duration) var(--ease),
    transform var(--duration) var(--ease);
}

.search.is-open .search__scrim {
  opacity: 1;
}

.search.is-open .search__panel {
  opacity: 1;
  transform: none;
}

.search__head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  border-bottom: 1px solid var(--color-line);
}

.search__form {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.search__icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.search__input {
  flex: 1;
  width: 100%;
  min-height: 48px;
  padding: 0.7rem 1rem 0.7rem 2.7rem;
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
}

.search__input:focus-visible {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(196, 122, 50, 0.18);
}

.search__submit {
  flex: none;
}

.search__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex: none;
  color: var(--color-forest);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
}

.search__close svg {
  width: 18px;
  height: 18px;
}

.search__body {
  padding: 1rem;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.search__cats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

.search__meta {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
}

.search__results {
  display: grid;
  gap: 0.45rem;
}

.search-result {
  display: grid;
  gap: 0.15rem;
  padding: 0.75rem 0.9rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration-fast) var(--ease);
}

.search-result:hover,
.search-result:focus-visible {
  border-color: var(--color-accent);
}

.search-result__cat {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.search-result__title {
  font-weight: 700;
  color: var(--color-forest);
}

.search-result__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.search__empty {
  padding: 1.5rem;
  text-align: center;
  color: var(--color-text-muted);
}

@media (max-width: 519px) {
  .search__submit {
    display: none;
  }
}

/* ---------- Filters ---------- */
.filters {
  margin-bottom: 1.5rem;
}

.filters__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.6rem 1rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-forest);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
}

.filters__icon {
  width: 16px;
  height: 16px;
}

.filters__count:not(:empty) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 0.35rem;
  font-size: 0.6875rem;
  color: var(--color-charcoal);
  background: var(--color-accent);
  border-radius: var(--radius-pill);
}

.filters__panel {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
  padding: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

.filters__panel:not(.is-open) {
  display: none;
}

.filter-group__title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.55rem;
}

.filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.chip-check {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.85rem;
  font-size: 0.8125rem;
  color: var(--color-forest);
  background: var(--color-offwhite);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease),
    color var(--duration-fast) var(--ease),
    border-color var(--duration-fast) var(--ease);
}

.chip-check input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.chip-check.is-checked {
  color: var(--color-offwhite);
  background: var(--color-forest);
  border-color: var(--color-forest);
}

.chip-check input:focus-visible + span {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.filters__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  border-top: 1px solid var(--color-line);
}

.filters__status {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.filters__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.filters__empty {
  padding: 1.75rem;
  text-align: center;
  color: var(--color-text-muted);
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-md);
}

@media (min-width: 900px) {
  .filters__toggle {
    display: none;
  }

  .filters__panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    align-items: start;
  }

  .filters__foot {
    grid-column: 1 / -1;
  }
}

/* ---------- Quiz ---------- */
.quiz {
  max-width: 860px;
}

.quiz__progress {
  height: 6px;
  margin-bottom: 0.6rem;
  background: rgba(16, 37, 27, 0.1);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.quiz__progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--color-accent);
  transition: width var(--duration) var(--ease);
}

.quiz__step {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.quiz__q {
  font-size: var(--fs-h3);
  color: var(--color-forest);
  margin-bottom: 0.35rem;
}

.quiz__help {
  font-size: var(--fs-small);
  margin-bottom: 1.1rem;
}

.quiz__options {
  display: grid;
  gap: 0.6rem;
}

.quiz-option {
  display: grid;
  gap: 0.15rem;
  text-align: left;
  padding: 1rem 1.1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--ease),
    background-color var(--duration-fast) var(--ease),
    transform var(--duration-fast) var(--ease);
}

.quiz-option:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.quiz-option.is-selected {
  border-color: var(--color-accent);
  background: rgba(196, 122, 50, 0.1);
}

.quiz-option__label {
  font-weight: 700;
  color: var(--color-forest);
}

.quiz-option__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.quiz__nav {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.quiz__result {
  display: grid;
  gap: 1.35rem;
}

.quiz__track {
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-forest);
}

.quiz__summary {
  max-width: 60ch;
}

.quiz__group h4 {
  font-size: var(--fs-h4);
  color: var(--color-forest);
  margin-bottom: 0.6rem;
}

.quiz__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.mini-grid {
  display: grid;
  gap: 0.6rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}

.mini-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--ease);
}

.mini-card:hover,
.mini-card:focus-visible {
  border-color: var(--color-accent);
}

.mini-card__media {
  width: 52px;
  height: 52px;
  flex: none;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-forest-soft);
}

.mini-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mini-card__media--plain {
  background: linear-gradient(135deg, var(--color-forest), var(--color-forest-soft));
}

.mini-card__kind {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.mini-card__title {
  font-weight: 700;
  color: var(--color-forest);
}

/* ---------- Interactive pathway ---------- */
.ptabs {
  display: grid;
  gap: 1.25rem;
}

.ptabs__list-wrap {
  display: grid;
  gap: 0.5rem;
}

.ptabs__tab {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 52px;
  padding: 0.8rem 1rem;
  text-align: left;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  transition: background-color var(--duration-fast) var(--ease),
    border-color var(--duration-fast) var(--ease);
}

.ptabs__tab:hover {
  border-color: var(--color-accent);
}

.ptabs__no {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.ptabs__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-forest);
}

.ptabs__tab.is-active {
  background: var(--color-forest);
  border-color: var(--color-forest);
}

.ptabs__tab.is-active .ptabs__name {
  color: var(--color-offwhite);
}

.ptabs__panel {
  padding: clamp(1.1rem, 3vw, 1.75rem);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

.ptabs__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-forest);
}

.ptabs__desc {
  margin: 0.4rem 0 1.1rem;
}

.ptabs__meta {
  display: grid;
  gap: 1.1rem;
}

.ptabs__meta h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.45rem;
}

.ptabs__list {
  display: grid;
  gap: 0.35rem;
  padding-left: 1.1rem;
  list-style: disc;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

.ptabs__list a {
  color: var(--color-forest);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 3px;
}

@media (min-width: 900px) {
  .ptabs__list-wrap {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .ptabs__tab {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
  }

  .ptabs__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.75rem;
  }
}

/* ---------- Checklist ---------- */
.checklist__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.checklist__tab {
  padding: 0.55rem 0.95rem;
  min-height: 44px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-forest);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease),
    color var(--duration-fast) var(--ease),
    border-color var(--duration-fast) var(--ease);
}

.checklist__tab.is-active {
  color: var(--color-offwhite);
  background: var(--color-forest);
  border-color: var(--color-forest);
}

.checklist__panel {
  padding: clamp(1.1rem, 3vw, 1.75rem);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

.checklist__head {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.checklist__head h3 {
  font-size: var(--fs-h4);
  color: var(--color-forest);
}

.checklist__meter {
  height: 10px;
  background: rgba(16, 37, 27, 0.1);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.checklist__meter span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--color-accent);
  transition: width var(--duration) var(--ease);
}

.checklist__stat {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

.checklist__items {
  display: grid;
  gap: 0.35rem;
  margin: 1rem 0;
}

.check {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 46px;
  cursor: pointer;
}

.check input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.check__box {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  border: 2px solid var(--color-line);
  border-radius: 6px;
  transition: background-color var(--duration-fast) var(--ease),
    border-color var(--duration-fast) var(--ease);
}

.check input:checked + .check__box {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.check input:checked + .check__box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid var(--color-charcoal);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.check input:checked ~ .check__label {
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.check input:focus-visible + .check__box {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.check__label {
  font-size: var(--fs-body);
}

.checklist__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-line);
}

/* ---------- Registration options ---------- */
.reg-options {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}

.reg-option {
  display: grid;
  gap: 0.6rem;
  align-content: start;
  padding: clamp(1.1rem, 3vw, 1.5rem);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

.reg-option h3 {
  font-size: var(--fs-h4);
  color: var(--color-forest);
}

.reg-option p {
  font-size: var(--fs-small);
}

.reg-option__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(16, 37, 27, 0.06);
  color: var(--color-forest);
}

.reg-option__icon svg {
  width: 22px;
  height: 22px;
}

.reg-option .btn {
  justify-self: start;
}

a.is-disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* ---------- Active navigation state ---------- */
.nav-link.is-active,
.mobile-acc__btn.is-active {
  color: var(--color-accent-soft);
}

.mega__links a.is-active,
.mobile-acc__links a.is-active {
  color: var(--color-offwhite);
  font-weight: 700;
}

.footer-col a.is-active,
.footer-mini a.is-active {
  color: var(--color-offwhite);
  font-weight: 700;
}

.site-footer__legal a[aria-current="page"] {
  color: var(--color-offwhite);
  font-weight: 700;
}

/* ---------- FAQ animation ---------- */
.faq__a {
  animation: faqIn var(--duration) var(--ease);
}

@keyframes faqIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.faq__q:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: -3px;
  border-radius: var(--radius-sm);
}

/* ---------- Print: checklist only ---------- */
@media print {
  body * {
    visibility: hidden;
  }

  .checklist,
  .checklist * {
    visibility: visible;
  }

  .checklist {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
  }

  .checklist__tabs,
  .checklist__actions,
  .checklist .notice,
  .site-header,
  .mobile-nav,
  .site-footer,
  .to-top,
  .search {
    display: none !important;
  }

  .checklist__panel:not(.is-printing) {
    display: none !important;
  }

  .checklist__panel.is-printing {
    border: 0;
    padding: 0;
  }
}

/* ---------- Accessibility: higher-contrast accent for small text on light ---------- */
.eyebrow {
  color: var(--color-accent-ink);
}

.cta-band .eyebrow,
.section--dark .eyebrow,
.section--charcoal .eyebrow,
.on-dark .eyebrow,
.page-hero .eyebrow,
.hero .eyebrow {
  color: var(--color-accent-soft);
}

.card__arrow,
.pathway__level,
.timeline__label,
.ptabs__no,
.contact-block__label,
.num-list > li::before,
.search-result__cat,
.mini-card__kind,
.faq__item[open] .faq__q {
  color: var(--color-accent-ink);
}

.activity-card .card__arrow {
  color: var(--color-accent-soft);
}

/* ---------- Touch target polish ---------- */
.chip-check {
  min-height: 44px;
  padding: 0.7rem 1rem;
}

.chip {
  min-height: 38px;
  padding: 0.5rem 0.9rem;
}

.ptabs__tab.is-active .ptabs__no {
  color: var(--color-accent-soft);
}