/* ============================================================
   components.css — Cards, buttons, forms, badges, modals
   Mobile-first
   ============================================================ */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75em 1.6em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--transition), background-position 0.45s ease, color var(--transition),
              border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  border: 1.5px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* Filled CTA: Pulse Red that sweeps into the Tech Gradient's violet on hover */
.btn--primary,
.btn--accent {
  color: #fff;
  background-color: var(--color-primary);
  background-image: linear-gradient(110deg,
                      var(--color-primary) 0%, var(--color-primary) 50%,
                      #B5363F 72%, #5A1458 100%);
  background-size: 220% 100%;
  background-position: 0 0;
  border-color: transparent;
}

.btn--primary:hover,
.btn--accent:hover {
  background-position: 100% 0;
  box-shadow: 0 8px 24px rgba(210, 63, 63, 0.28);
  transform: translateY(-1px);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-text-primary);
}

.btn--secondary:hover {
  background: var(--color-text-primary);
  color: var(--color-text-on-dark);
  transform: translateY(-1px);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.02);
  color: var(--color-text-on-dark);
  border-color: rgba(203, 213, 225, 0.4);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-text-on-dark);
}

.btn--sm {
  padding: 0.45em 1em;
  font-size: var(--text-xs);
}

.btn--lg {
  padding: 0.9em 2em;
  font-size: var(--text-base);
}

.btn--full { width: 100%; }

.btn svg {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.btn:hover svg { transform: translateX(3px); }

/* ---- Cards ---- */
.card {
  background: var(--color-surface);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Tech-gradient hairline revealed on hover */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-tech);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.35s ease;
  z-index: 1;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.card:hover::before { transform: scaleX(1); }

.card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--color-surface-alt);
}

.card__image--square {
  aspect-ratio: 1 / 1;
}

/* No-image fallback: Deep Blue + pixel field, as on the business-card reverse */
.card__image--placeholder {
  background:
    var(--texture-pixels) no-repeat right -30px bottom -10px / 75% auto,
    radial-gradient(ellipse 70% 90% at 0% 0%, rgba(244, 86, 86, 0.28) 0%, transparent 70%),
    linear-gradient(135deg, var(--brand-deep-blue) 0%, var(--brand-deep-violet) 140%);
}

.card__body {
  padding: var(--space-5) var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.card__date {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.card__title {
  font-size: var(--text-lg);
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

.card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-4);
  flex: 1;
}

.card__location {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.card__location svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.card__footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.card__link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap var(--transition);
}

.card__link:hover {
  gap: var(--space-2);
}

.card__link svg {
  width: 14px;
  height: 14px;
}

/* ---- Past event card overlay ---- */
.card--past {
  position: relative;
}

.card--past .card__image {
  filter: grayscale(55%) brightness(0.92);
  transition: filter var(--transition);
}

.card--past:hover .card__image {
  filter: grayscale(25%);
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 4px;
}

.badge--past {
  background: rgba(125, 123, 149, 0.12);
  color: var(--color-text-muted);
}

/* Upcoming: red with a small "pixel" marker */
.badge--upcoming {
  background: var(--color-accent-subtle);
  color: var(--color-primary);
}

.badge--upcoming::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
}

.badge--article {
  background: var(--color-violet-subtle);
  color: var(--brand-deep-violet);
}

.badge--featured {
  background: var(--color-accent-subtle);
  color: var(--color-primary);
}

.badge--new {
  background: rgba(35, 130, 74, 0.1);
  color: var(--color-success);
}

/* ---- Forms ---- */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: var(--color-accent);
  margin-left: 2px;
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.7em 0.95em;
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.form-control:focus {
  border-color: var(--brand-deep-violet);
  box-shadow: 0 0 0 3px rgba(27, 0, 104, 0.1);
}

.form-control.is-error {
  border-color: var(--color-error);
}

.form-control.is-success {
  border-color: var(--color-success);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23160D38' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 2.5em;
}

.form-error {
  display: none;
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
}

.form-error.is-visible {
  display: block;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ---- Human verification ---- */
.form-hp {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-verify {
  padding: var(--space-4) var(--space-5);
  border-left: 3px solid var(--color-accent);
  background: var(--color-surface-alt);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.form-verify__input {
  max-width: 8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* ---- Checkbox (GDPR etc.) ---- */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.form-check__input {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--color-text-muted);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  margin-top: 3px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background: var(--color-surface);
  transition: border-color var(--transition), background var(--transition);
  position: relative;
}

.form-check__input:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.form-check__input:checked::after {
  content: '';
  position: absolute;
  left: 4.5px;
  top: 1px;
  width: 6px;
  height: 10px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.form-check__input:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.form-check__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  cursor: pointer;
}

.form-check__label a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---- Form response messages ---- */
.form-response {
  display: none;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-top: var(--space-4);
}

.form-response.is-visible { display: block; }

.form-response--success {
  background: rgba(35, 130, 74, 0.08);
  color: var(--color-success);
  border: 1px solid rgba(35, 130, 74, 0.2);
}

.form-response--error {
  background: rgba(201, 54, 54, 0.07);
  color: var(--color-error);
  border: 1px solid rgba(201, 54, 54, 0.2);
}

/* ---- Char counter ---- */
.char-counter {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: right;
  margin-top: var(--space-1);
}

.char-counter.is-near-limit { color: var(--color-warning); }
.char-counter.is-over-limit { color: var(--color-error); }

/* ---- CTA Banner ----
   Deep Blue section holding a Tech-Gradient panel with the logo badge's
   inset hairline frame. 60/40 split on wider screens. */
.cta-banner {
  padding: var(--space-12) 0;
  position: relative;
  overflow: hidden;
}

.cta-banner__inner {
  position: relative;
  width: min(1240px, 100% - 2rem);
  margin-inline: auto;
  padding: var(--space-12) var(--space-6);
  border-radius: 14px;
  background:
    linear-gradient(rgba(22, 13, 56, 0.2), rgba(22, 13, 56, 0.2)),
    var(--gradient-tech);
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  overflow: hidden;
}

/* Inset hairline frame, as on the logo badge */
.cta-banner__inner::before {
  content: '';
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 8px;
  pointer-events: none;
}

.cta-banner__inner::after {
  content: '';
  position: absolute;
  right: -30px;
  bottom: -20px;
  width: 360px;
  height: 210px;
  background: var(--texture-pixels) no-repeat right bottom / contain;
  opacity: 0.45;
  pointer-events: none;
}

.cta-banner__inner > * {
  position: relative;
  z-index: 1;
}

.cta-banner__title {
  font-size: var(--text-3xl);
  color: #fff;
  font-weight: 600;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.cta-banner__text {
  font-size: var(--text-md);
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: var(--space-8);
  max-width: 560px;
}

.cta-banner__benefits {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.cta-banner__benefit {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: #fff;
  line-height: 1.5;
}

/* Pixel-square tick */
.cta-banner__benefit::before {
  content: '';
  width: 10px;
  height: 10px;
  margin-top: 0.4em;
  background: #fff;
  flex-shrink: 0;
  box-shadow: 4px 4px 0 rgba(255, 255, 255, 0.3);
}

.cta-banner .btn--ghost {
  justify-self: start;
  background: #fff;
  color: var(--brand-deep-blue);
  border-color: #fff;
}

.cta-banner .btn--ghost:hover {
  background: var(--brand-deep-blue);
  color: #fff;
  border-color: var(--brand-deep-blue);
}

@media (min-width: 768px) {
  .cta-banner { padding: var(--space-16) 0; }

  .cta-banner__inner {
    width: min(1240px, 100% - 4rem);
    padding: var(--space-16) var(--space-12);
    grid-template-columns: 3fr 2fr;
    column-gap: var(--space-12);
  }

  .cta-banner__title,
  .cta-banner__text,
  .cta-banner__inner > .btn { grid-column: 1; }

  .cta-banner__benefits {
    grid-column: 2;
    grid-row: 1 / span 3;
    align-self: center;
    margin-bottom: 0;
    padding: var(--space-6);
    background: rgba(22, 13, 56, 0.35);
    border-radius: 10px;
  }
}

/* ---- Partners logo row ---- */
.partners-row {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--space-2);
}

.partners-row::-webkit-scrollbar { height: 3px; }
.partners-row::-webkit-scrollbar-track { background: transparent; }
.partners-row::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 2px; }

.partners-list {
  display: flex;
  align-items: center;
  gap: var(--space-10);
  min-width: max-content;
  padding: var(--space-4) 0;
}

.partner-logo {
  height: 40px;
  width: auto;
  opacity: 0.5;
  filter: grayscale(1);
  transition: opacity var(--transition), filter var(--transition);
  object-fit: contain;
}

.partner-logo:hover {
  opacity: 1;
  filter: none;
}

/* ---- Benefit blocks ---- */
.benefit-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.benefit-block__icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: var(--gradient-tech);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.benefit-block__icon svg {
  width: 24px;
  height: 24px;
  color: #fff;
}

.benefit-block__title {
  font-size: var(--text-md);
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.benefit-block__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ---- Timeline ---- */
.timeline {
  position: relative;
  padding-left: var(--space-10);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--gradient-rule-v);
}

.timeline__item {
  position: relative;
  margin-bottom: var(--space-8);
}

/* Square node — the pixel motif */
.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-10) + 7px);
  top: 7px;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-surface);
}

.timeline__year {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-primary);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.timeline__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.section--dark .timeline__item::before { box-shadow: 0 0 0 4px var(--color-surface-dark); }
.section--dark .timeline__year         { color: var(--color-accent); }
.section--dark .timeline__text         { color: var(--color-text-on-dark-2); }

/* ---- Board member card ---- */
.board-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.board-card__photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--color-surface-alt);
  border: 3px solid var(--color-surface);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.board-card__photo--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-tech);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-xl);
  letter-spacing: 0.04em;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  flex-shrink: 0;
}

.board-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-md);
  color: var(--color-text-primary);
}

.board-card__title {
  font-size: var(--text-sm);
  color: var(--color-primary);
}

/* ---- Empty state ---- */
.empty-state {
  text-align: center;
  padding: var(--space-20) var(--space-8);
}

.empty-state__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  opacity: 0.2;
}

.empty-state__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.empty-state__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ---- Modal ---- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(22, 13, 56, 0.78);
  backdrop-filter: blur(4px);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--color-surface);
  border-radius: 14px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-slow);
  box-shadow: 0 24px 80px rgba(10, 6, 28, 0.45);
  /* Tech-gradient strip along the top edge, as on the letterhead */
  background: var(--gradient-tech) top / 100% 4px no-repeat, var(--color-surface);
}

.modal-backdrop.is-open .modal {
  transform: translateY(0) scale(1);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.modal__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-text-primary);
}

.modal__close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: background var(--transition);
}

.modal__close:hover {
  background: var(--color-surface-alt);
}

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

.modal__body {
  padding: var(--space-6);
}

/* ---- Lightbox ---- */
.lightbox-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(14, 8, 36, 0.95);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.lightbox-backdrop.is-open {
  opacity: 1;
  pointer-events: all;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox-close {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.lightbox-close:hover { background: rgba(255,255,255,0.2); }
.lightbox-close svg   { width: 20px; height: 20px; }

/* ---- Image gallery ---- */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.image-gallery__thumb {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
}

.image-gallery__thumb:hover {
  opacity: 0.85;
  transform: scale(0.98);
}

/* ---- Article body content ---- */
.article-body {
  font-size: var(--text-md);
  line-height: 1.8;
  color: var(--color-text-primary);
}

.article-body h2, .article-body h3, .article-body h4 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.article-body p { margin-bottom: var(--space-5); }
.article-body ul, .article-body ol {
  margin-bottom: var(--space-5);
  padding-left: var(--space-6);
}
.article-body ul { list-style: square; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: var(--space-2); }
.article-body li::marker { color: var(--color-accent); }
.article-body a  { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }
.article-body img { width: 100%; border-radius: var(--radius-md); margin: var(--space-6) 0; }
.article-body blockquote {
  border-left: 4px solid var(--color-accent);
  border-image: var(--gradient-rule-v) 1;
  padding-left: var(--space-6);
  margin: var(--space-6) 0;
  color: var(--color-text-secondary);
  font-style: italic;
}

/* ---- Notification (toast) ---- */
.toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-surface-dark);
  color: var(--color-text-on-dark);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(10, 6, 28, 0.35);
  z-index: 4000;
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
  pointer-events: none;
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---- Code of Ethics teaser (About page) ---- */
.ethics-teaser__summary {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  max-width: 60ch;
  margin-bottom: var(--space-5);
}

.ethics-teaser__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.ethics-teaser__meta span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.ethics-teaser__meta span::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--color-accent);
}

/* Contents preview as a Deep Blue "document" panel with the letterhead strip */
.ethics-doc {
  position: relative;
  padding: var(--space-8) var(--space-6) var(--space-6);
  border-radius: 14px;
  background:
    var(--texture-pixels) no-repeat right -40px bottom -30px / 70% auto,
    linear-gradient(135deg, var(--brand-deep-blue) 0%, #1D0F4A 100%);
  color: var(--color-text-on-dark);
  overflow: hidden;
}

.ethics-doc::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-tech);
}

.ethics-doc__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.ethics-doc__list a {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(203, 213, 225, 0.12);
  font-size: var(--text-sm);
  line-height: 1.45;
  color: var(--color-text-on-dark-2);
  transition: color var(--transition), padding-left var(--transition);
}

.ethics-doc__list a:hover {
  color: var(--color-text-on-dark);
  padding-left: 4px;
}

.ethics-doc__num {
  flex-shrink: 0;
  font-weight: 600;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.ethics-doc__more {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-on-dark-2);
  opacity: 0.75;
  position: relative;
}

/* ---- Long-form document page (Code of Ethics) ---- */
.doc-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-6);
  margin-top: var(--space-6);
  padding-left: var(--space-5);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-on-dark-2);
}

.doc-meta__print {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border: 1px solid rgba(203, 213, 225, 0.3);
  border-radius: var(--radius-full);
  color: var(--color-text-on-dark);
  font-size: inherit;
  font-weight: 600;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.doc-meta__print:hover {
  border-color: var(--color-text-on-dark);
  background: rgba(255, 255, 255, 0.06);
}

.doc-meta__print svg { width: 14px; height: 14px; }

/* Thin red → violet bar under the fixed header */
.reading-progress {
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 998;
  pointer-events: none;
}

.reading-progress span {
  display: block;
  height: 100%;
  background: var(--gradient-rule);
  transform: scaleX(0);
  transform-origin: left center;
}

.doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-8);
}

.doc-toc__details {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface-alt);
  padding: var(--space-4) var(--space-5);
}

.doc-toc__title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.doc-toc__title::-webkit-details-marker { display: none; }

.doc-toc__title::after {
  content: '';
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--transition);
}

.doc-toc__details[open] .doc-toc__title::after { transform: rotate(-135deg); }

.doc-toc__list { margin-top: var(--space-3); }

.doc-toc__link {
  display: flex;
  gap: var(--space-3);
  padding: 6px 0 6px var(--space-3);
  border-left: 2px solid transparent;
  font-size: var(--text-sm);
  line-height: 1.45;
  color: var(--color-text-secondary);
  transition: color var(--transition), border-color var(--transition);
}

.doc-toc__link:hover { color: var(--color-text-primary); }

.doc-toc__link.is-active {
  color: var(--color-text-primary);
  font-weight: 600;
  border-left-color: var(--color-accent);
}

.doc-toc__num {
  flex-shrink: 0;
  font-weight: 600;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.doc-toc__link.is-active .doc-toc__num { color: var(--color-primary); }

/* Reading column: comfortable measure for several pages of text */
.doc-body {
  max-width: 70ch;
  font-size: var(--text-base);
  line-height: 1.85;
}

.doc-body h2 {
  font-size: var(--text-xl);
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  scroll-margin-top: calc(68px + var(--space-6));
}

.doc-body h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.doc-body h3 {
  font-size: var(--text-lg);
  margin-top: var(--space-8);
  scroll-margin-top: calc(68px + var(--space-6));
}

.doc-body .ql-indent-1 { padding-left: 2em; }
.doc-body .ql-indent-2 { padding-left: 4em; }
.doc-body .ql-indent-3 { padding-left: 6em; }
.doc-body .ql-align-center  { text-align: center; }
.doc-body .ql-align-right   { text-align: right; }
.doc-body .ql-align-justify { text-align: justify; }

.doc-layout--single .doc-body { margin-inline: auto; }

.back-to-top {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-deep-blue);
  color: #fff;
  box-shadow: 0 8px 24px rgba(10, 6, 28, 0.3);
  z-index: 900;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
}

.back-to-top.is-visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.back-to-top:hover { background: var(--color-primary); }
.back-to-top svg { width: 20px; height: 20px; }

@media (min-width: 768px) {
  .doc-meta { padding-left: var(--space-6); }
}

@media (min-width: 1200px) {
  .doc-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: var(--space-16);
    align-items: start;
  }

  .doc-layout--single { grid-template-columns: minmax(0, 1fr); }

  /* Sticky contents rail on wide screens */
  .doc-toc {
    position: sticky;
    top: calc(68px + var(--space-8));
    max-height: calc(100vh - 68px - var(--space-16));
    overflow-y: auto;
  }

  .doc-toc__details {
    background: transparent;
    border: 0;
    padding: 0;
  }

  .doc-toc__title { pointer-events: none; }
  .doc-toc__title::after { display: none; }
}

/* Print / Save as PDF: just the document */
@media print {
  .site-header, .mobile-menu, .site-footer, .reading-progress, .back-to-top,
  .doc-toc, .doc-meta__print, .page-hero__breadcrumb, .toast { display: none !important; }

  .page-hero {
    background: none !important;
    padding: 0 0 16pt !important;
  }

  .page-hero::after { display: none !important; }
  .page-hero__title, .page-hero__subtitle, .doc-meta { color: #000 !important; padding-left: 0 !important; }
  .page-hero__title::before { display: none; }
  .main-content { padding-top: 0 !important; }
  .section { padding: 0 !important; }
  .doc-layout { display: block; }

  .doc-body {
    max-width: none;
    font-size: 11pt;
    line-height: 1.55;
    color: #000;
  }

  .doc-body h2 { border-top: 0; break-after: avoid; page-break-after: avoid; }
  .doc-body h3 { break-after: avoid; page-break-after: avoid; }
  .doc-body p, .doc-body li { orphans: 3; widows: 3; }
}

@media (prefers-reduced-motion: reduce) {
  .btn, .card, .card::before, .btn svg { transition: none; }
  .card:hover, .btn:hover { transform: none; }
}