/* ============================================
   Krysos Trust — Components: McKinsey White-Paper
   ============================================ */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-teal);
  color: var(--color-white);
  border: 1px solid var(--color-teal);
}

.btn--primary:hover {
  background: var(--color-teal-light);
  border-color: var(--color-teal-light);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background: transparent;
  color: var(--color-teal);
  border: 1px solid var(--color-teal);
}

.btn--secondary:hover {
  background: var(--color-teal-pale);
}

.btn--small {
  font-size: 0.8rem;
  padding: 8px 20px;
}

/* Cards */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-cloud);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-mist);
  box-shadow: var(--shadow-md);
}

/* Pain point cards */
.pain-card {
  background: var(--color-white);
  border: 1px solid var(--color-cloud);
  border-radius: var(--radius-md);
  padding: var(--space-md) calc(var(--space-md) * 1.2);
  transition: all var(--transition-base);
}

.pain-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-mist);
}

.pain-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.pain-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-xs);
}

.pain-card__body {
  font-size: 0.92rem;
  color: var(--color-graphite);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.pain-card__source {
  font-size: 0.72rem;
  color: var(--color-slate);
  font-style: italic;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-cloud);
  margin-bottom: var(--space-md);
}

.tab {
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-slate);
  border-bottom: 2px solid transparent;
  transition: all var(--transition-base);
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.tab:hover {
  color: var(--color-charcoal);
}

.tab--active {
  color: var(--color-teal);
  border-bottom-color: var(--color-teal);
}

.tab-panel {
  display: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.tab-panel--active {
  display: block;
  opacity: 1;
}

/* Flow diagram */
.flow-diagram {
  margin: var(--space-md) 0;
}

.flow-diagram__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-md);
}

.flow-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: 2px;
  background: var(--color-snow);
  border-radius: var(--radius-sm);
  position: relative;
}

.flow-step::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 3px 0 0 3px;
}

.flow-step--gray::before { background: var(--color-slate); }
.flow-step--red::before { background: var(--color-danger); }
.flow-step--purple::before { background: #6B5B95; }
.flow-step--blue::before { background: #3D7EAA; }
.flow-step--teal::before { background: var(--color-teal); }
.flow-step--amber::before { background: var(--color-warning); }
.flow-step--coral::before { background: var(--color-danger); }
.flow-step--green::before { background: var(--color-success); }

.flow-step__number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-teal);
  min-width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-teal);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 2px;
}

.flow-step__content { flex: 1; }

.flow-step__actor {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 2px;
}

.flow-step__action {
  font-size: 0.88rem;
  color: var(--color-graphite);
}

.flow-step__subitems {
  margin-top: var(--space-xs);
  padding-left: var(--space-sm);
}

.flow-step__subitem {
  font-size: 0.8rem;
  color: var(--color-slate);
  position: relative;
  padding-left: var(--space-sm);
  margin-bottom: 4px;
}

.flow-step__subitem::before {
  content: '\2192';
  position: absolute;
  left: 0;
  color: var(--color-teal);
}

.flow-settlement {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-teal-dark);
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-teal-pale);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-teal);
}

/* Key insight / blockquote */
.insight {
  padding: var(--space-md) var(--space-lg);
  border-left: 3px solid var(--color-teal);
  margin: var(--space-lg) 0;
  background: var(--color-teal-pale);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.insight__quote {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-ink);
  font-style: italic;
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}

.insight__source {
  font-size: 0.78rem;
  color: var(--color-slate);
}

/* DLT Explainer */
.explainer {
  background: var(--color-snow);
  border: 1px solid var(--color-cloud);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-top: var(--space-lg);
}

.explainer__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}

.explainer__body {
  font-size: 0.92rem;
  color: var(--color-graphite);
  line-height: 1.8;
}

.explainer__sources {
  margin-top: var(--space-sm);
  font-size: 0.72rem;
  color: var(--color-slate);
  font-style: italic;
}

/* Comparison table */
.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--space-md) 0;
  border: 1px solid var(--color-cloud);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.comparison-table thead {
  position: sticky;
  top: 64px;
  z-index: 5;
}

.comparison-table th {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  background: var(--color-teal-dark);
}

.comparison-table td {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.88rem;
  border-bottom: 1px solid var(--color-cloud);
  vertical-align: top;
  background: var(--color-white);
}

.comparison-table td:first-child {
  font-weight: 600;
  color: var(--color-ink);
  white-space: nowrap;
  width: 20%;
  background: var(--color-snow);
}

.comparison-table td:nth-child(2) {
  color: var(--color-slate);
  width: 40%;
}

.comparison-table td:nth-child(3) {
  color: var(--color-charcoal);
  width: 40%;
}

.comparison-table tbody tr:hover td {
  background: var(--color-teal-pale);
}

.comparison-table tbody tr:hover td:first-child {
  background: var(--color-teal-pale);
}

/* Conditions / Accordion */
.conditions-group {
  margin-bottom: var(--space-md);
}

.conditions-group__header {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.severity-badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 2px;
}

.severity-badge--high {
  background: var(--color-danger-pale);
  color: var(--color-danger);
  border: 1px solid var(--color-danger);
}

.severity-badge--medium {
  background: var(--color-warning-pale);
  color: var(--color-warning);
  border: 1px solid var(--color-warning);
}

.severity-badge--low {
  background: var(--color-success-pale);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.accordion-item {
  background: var(--color-white);
  border: 1px solid var(--color-cloud);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  overflow: hidden;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-ink);
  cursor: pointer;
  text-align: left;
  background: none;
  border: none;
  transition: color var(--transition-fast);
}

.accordion-trigger:hover { color: var(--color-teal); }

.accordion-trigger__icon {
  font-size: 1.1rem;
  color: var(--color-slate);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.accordion-item--open .accordion-trigger__icon {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.accordion-content__inner {
  padding: 0 var(--space-md) var(--space-sm);
  font-size: 0.88rem;
  color: var(--color-graphite);
  line-height: 1.7;
}

/* Advantageous items */
.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-cloud);
}

.advantage-item__check {
  color: var(--color-success);
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.advantage-item__label {
  font-weight: 600;
  color: var(--color-ink);
  font-size: 0.92rem;
}

.advantage-item__detail {
  font-size: 0.85rem;
  color: var(--color-graphite);
  margin-top: 2px;
}

.upgrade-note {
  background: var(--color-teal-pale);
  border: 1px solid rgba(26,77,92,0.15);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-top: var(--space-lg);
  font-size: 0.88rem;
  color: var(--color-charcoal);
  line-height: 1.7;
}

.upgrade-note__badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-teal);
  margin-bottom: var(--space-xs);
  display: block;
}

/* Process timeline */
.timeline { position: relative; }

.timeline__track {
  display: flex;
  gap: 4px;
  margin-bottom: var(--space-lg);
  overflow-x: auto;
  padding-bottom: var(--space-sm);
}

.timeline__step {
  flex: 1;
  min-width: 150px;
  text-align: center;
  cursor: pointer;
  padding: var(--space-sm);
  background: var(--color-white);
  border: 1px solid var(--color-cloud);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.timeline__step:hover,
.timeline__step--active {
  border-color: var(--color-teal);
  background: var(--color-teal-pale);
}

.timeline__step-number {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-teal);
  margin-bottom: 4px;
}

.timeline__step-phase {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 2px;
}

.timeline__step-duration {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-slate);
}

.timeline__detail {
  background: var(--color-snow);
  border: 1px solid var(--color-cloud);
  border-radius: var(--radius-md);
  padding: var(--space-md) calc(var(--space-md) * 1.5);
  display: none;
}

.timeline__detail--active { display: block; }

.timeline__detail-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.timeline__detail-icon { font-size: 1.8rem; }

.timeline__detail-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-ink);
}

.timeline__detail-meta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.timeline__detail-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-teal);
  background: var(--color-teal-pale);
  padding: 4px 12px;
  border-radius: 2px;
}

.timeline__detail-desc {
  font-size: 0.92rem;
  color: var(--color-graphite);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.timeline__detail-deliverables-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-teal);
  margin-bottom: var(--space-xs);
}

.timeline__detail-deliverable {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  font-size: 0.88rem;
  color: var(--color-charcoal);
}

.timeline__detail-deliverable::before {
  content: '\2713';
  color: var(--color-success);
  font-weight: 600;
}

/* Reason cards */
.reason-card {
  background: var(--color-white);
  border: 1px solid var(--color-cloud);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: all var(--transition-base);
}

.reason-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-mist);
}

.reason-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-xs);
}

.reason-card__body {
  font-size: 0.92rem;
  color: var(--color-graphite);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.reason-card__stat {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-teal);
  padding: 5px 12px;
  background: var(--color-teal-pale);
  border-radius: 2px;
  display: inline-block;
}

/* Pricing tiers */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  align-items: start;
}

.pricing-card {
  background: var(--color-white);
  border: 1px solid var(--color-cloud);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.pricing-card:hover { box-shadow: var(--shadow-md); }

.pricing-card--featured {
  border-color: var(--color-teal);
  position: relative;
}

.pricing-card--featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-white);
  background: var(--color-teal);
  padding: 3px 10px;
  border-radius: 2px;
}

.pricing-card__name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-xs);
}

.pricing-card__price {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-teal);
  margin-bottom: var(--space-sm);
}

.pricing-card__desc {
  font-size: 0.88rem;
  color: var(--color-graphite);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.pricing-card__includes-title {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-teal);
  margin-bottom: var(--space-xs);
}

.pricing-card__includes {
  margin-bottom: var(--space-md);
  flex: 1;
}

.pricing-card__include {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 4px 0;
  font-size: 0.82rem;
  color: var(--color-charcoal);
}

.pricing-card__include::before {
  content: '\2713';
  color: var(--color-success);
  font-weight: 600;
  flex-shrink: 0;
}

.pricing-card__note {
  font-size: 0.72rem;
  color: var(--color-slate);
  font-style: italic;
  margin-bottom: var(--space-sm);
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.team-card {
  background: var(--color-white);
  border: 1px solid var(--color-cloud);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: all var(--transition-base);
}

.team-card:hover { box-shadow: var(--shadow-md); }

.team-card__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.team-card__title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-teal);
  margin-bottom: var(--space-xs);
}

.team-card__credentials {
  font-size: 0.8rem;
  color: var(--color-slate);
  margin-bottom: var(--space-sm);
  font-style: italic;
}

.team-card__bio {
  font-size: 0.88rem;
  color: var(--color-graphite);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.team-card__specialization {
  font-size: 0.75rem;
  color: var(--color-slate);
  border-top: 1px solid var(--color-cloud);
  padding-top: var(--space-xs);
}

.team-card__specialization strong {
  color: var(--color-charcoal);
  font-weight: 600;
}

/* FAQ */
.faq-list { max-width: 780px; }

.faq-item { border-bottom: 1px solid var(--color-cloud); }

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-ink);
  cursor: pointer;
  text-align: left;
  background: none;
  border: none;
  transition: color var(--transition-fast);
  gap: var(--space-sm);
}

.faq-trigger:hover { color: var(--color-teal); }

.faq-trigger__icon {
  font-size: 1.3rem;
  color: var(--color-teal);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item--open .faq-trigger__icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer__inner {
  padding: 0 0 var(--space-md);
  font-size: 0.92rem;
  color: var(--color-graphite);
  line-height: 1.8;
}

/* CTA section */
.cta-section {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  background: var(--color-teal-dark);
  position: relative;
}

.cta-section::before { display: none; }

.cta-section__content {
  position: relative;
  max-width: 650px;
  margin: 0 auto;
}

.cta-section__headline {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: var(--space-sm);
  color: var(--color-white);
}

.cta-section__subheadline {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.cta-section__buttons {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-sm);
}

.cta-section__buttons .btn--primary {
  background: var(--color-white);
  color: var(--color-teal-dark);
  border-color: var(--color-white);
}

.cta-section__buttons .btn--primary:hover {
  background: var(--color-snow);
  color: var(--color-teal-dark);
}

.cta-section__buttons .btn--secondary {
  color: var(--color-white);
  border-color: rgba(255,255,255,0.4);
}

.cta-section__buttons .btn--secondary:hover {
  background: rgba(255,255,255,0.1);
  color: var(--color-white);
}

.cta-section__urgency {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  margin-top: var(--space-md);
}

.cta-section__note {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.5);
}

/* Contact section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: 0.92rem;
  color: var(--color-charcoal);
}

.contact-info__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-teal);
  margin-bottom: 4px;
  display: block;
}

/* Form */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-field__label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-ink);
}

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

.form-field__input,
.form-field__select,
.form-field__textarea {
  background: var(--color-white);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.92rem;
  color: var(--color-ink);
  transition: border-color var(--transition-fast);
}

.form-field__input::placeholder,
.form-field__textarea::placeholder {
  color: var(--color-slate);
}

.form-field__input:focus,
.form-field__select:focus,
.form-field__textarea:focus {
  border-color: var(--color-teal);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-teal-pale);
}

.form-field__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394938E' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-field__select option {
  background: var(--color-white);
  color: var(--color-ink);
}

.form-field__textarea {
  min-height: 110px;
  resize: vertical;
}

.form-field--checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
}

.form-field__checkbox {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 1px solid var(--color-mist);
  border-radius: 2px;
  background: var(--color-white);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
  transition: all var(--transition-fast);
}

.form-field__checkbox:checked {
  background: var(--color-teal);
  border-color: var(--color-teal);
}

.form-field__checkbox:checked::after {
  content: '\2713';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
}

.form-field__checkbox-label {
  font-size: 0.82rem;
  color: var(--color-graphite);
  cursor: pointer;
}

.form-field__error {
  font-size: 0.75rem;
  color: var(--color-danger);
  display: none;
}

.form-field--error .form-field__input,
.form-field--error .form-field__select,
.form-field--error .form-field__textarea {
  border-color: var(--color-danger);
}

.form-field--error .form-field__error { display: block; }

.form__submit { margin-top: var(--space-sm); }

.form__success,
.form__error {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  display: none;
}

.form__success {
  background: var(--color-success-pale);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.form__error {
  background: var(--color-danger-pale);
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
}

.form__success--visible,
.form__error--visible { display: block; }

/* ============================================
   Language Toggle
   ============================================ */

.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--color-cloud);
  border-radius: 20px;
  padding: 2px;
  gap: 0;
  margin-left: var(--space-xs);
}

.lang-toggle__btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 5px 14px;
  border-radius: 18px;
  color: var(--color-slate);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1;
}

.lang-toggle__btn:hover {
  color: var(--color-ink);
}

.lang-toggle__btn--active {
  background: var(--color-teal);
  color: var(--color-white);
  box-shadow: 0 1px 3px rgba(26, 77, 92, 0.3);
}

.lang-toggle__btn--active:hover {
  color: var(--color-white);
}

/* ============================================
   NEW: Pain ↔ Solution Pairs
   ============================================ */

.pain-solution-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.pain-solution-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-md);
  align-items: stretch;
  padding: var(--space-md);
  background: var(--color-white);
  border: 1px solid var(--color-cloud);
  border-radius: var(--radius-md);
}

.pain-solution__pain,
.pain-solution__solution {
  padding: var(--space-sm);
}

.pain-solution__icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.pain-solution__title {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.pain-solution__title--pain {
  color: var(--color-danger);
}

.pain-solution__title--solution {
  color: var(--color-success);
}

.pain-solution__detail {
  font-size: 0.85rem;
  color: var(--color-graphite);
  line-height: 1.65;
}

.pain-solution__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-teal);
  font-weight: 600;
  min-width: 40px;
}

/* ============================================
   NEW: Cost Breakdown Infographic
   ============================================ */

.cost-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.cost-compare__side {
  background: var(--color-white);
  border: 1px solid var(--color-cloud);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.cost-compare__label {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-xs);
}

.cost-compare__total {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.cost-compare__total--high {
  color: var(--color-danger);
}

.cost-compare__total--low {
  color: var(--color-success);
}

.cost-bar {
  display: flex;
  height: 40px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-cloud);
  margin-bottom: var(--space-sm);
}

.cost-bar__segment {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  position: relative;
}

.cost-bar__segment--danger { background: #C0504D; }
.cost-bar__segment--warning { background: #D4884A; }
.cost-bar__segment--slate { background: var(--color-slate); }
.cost-bar__segment--mist { background: var(--color-mist); }
.cost-bar__segment--teal { background: var(--color-teal); }
.cost-bar__segment--tealLight { background: var(--color-teal-light); }
.cost-bar__segment--tealPale { background: #4A8A9A; }

.cost-bar__segment-label {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--color-white);
  white-space: nowrap;
  padding: 0 6px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cost-compare__removed {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--space-sm);
}

.cost-compare__removed-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--color-success);
  background: var(--color-success-pale);
  padding: 3px 10px;
  border-radius: 2px;
  border: 1px solid var(--color-success);
}

.cost-compare__source {
  font-size: 0.72rem;
  color: var(--color-slate);
  font-style: italic;
  margin-top: var(--space-md);
}

/* ============================================
   NEW: Timeline Comparison
   ============================================ */

.timeline-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.timeline-compare__col {
  background: var(--color-white);
  border: 1px solid var(--color-cloud);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.timeline-compare__label {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-cloud);
}

.timeline-compare__label--slow {
  color: var(--color-danger);
  border-bottom-color: var(--color-danger);
}

.timeline-compare__label--fast {
  color: var(--color-success);
  border-bottom-color: var(--color-success);
}

.timeline-compare__steps {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.timeline-compare__step {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.timeline-compare__step--slow {
  background: var(--color-danger-pale);
  border-left: 3px solid var(--color-danger);
}

.timeline-compare__step--fast {
  background: var(--color-success-pale);
  border-left: 3px solid var(--color-success);
}

.timeline-compare__step-name {
  font-weight: 500;
  color: var(--color-ink);
}

.timeline-compare__step-dur {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-slate);
  white-space: nowrap;
  margin-left: var(--space-sm);
}

.timeline-compare__note {
  font-size: 0.78rem;
  color: var(--color-slate);
  margin-top: var(--space-sm);
  font-style: italic;
  line-height: 1.5;
}

/* ============================================
   NEW: Deep Dive Gate
   ============================================ */

.deep-dive-gate {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  background: var(--color-teal-dark);
  position: relative;
}

.deep-dive-gate__content {
  max-width: 650px;
  margin: 0 auto;
}

.deep-dive-gate__headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.deep-dive-gate__subheadline {
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.deep-dive-gate__btn {
  background: var(--color-white);
  color: var(--color-teal-dark);
  border-color: var(--color-white);
  font-size: 0.95rem;
  padding: 16px 40px;
}

.deep-dive-gate__btn:hover {
  background: var(--color-snow);
  color: var(--color-teal-dark);
  box-shadow: var(--shadow-lg);
}

.deep-dive-gate__note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.5);
  margin-top: var(--space-md);
}

/* ============================================
   NEW: Deep Dive Container
   ============================================ */

.deep-dive-container {
  border-top: 3px solid var(--color-teal);
}

/* ============================================
   NEW: Verdict Card
   ============================================ */

.verdict-card {
  background: var(--color-teal-pale);
  border: 1px solid rgba(26,77,92,0.2);
  border-left: 3px solid var(--color-teal);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-top: var(--space-lg);
}

.verdict-card__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-teal);
  display: block;
  margin-bottom: var(--space-xs);
}

.verdict-card__text {
  font-size: 0.92rem;
  color: var(--color-charcoal);
  line-height: 1.75;
}

/* ============================================
   NEW: Constraint Topology
   ============================================ */

.topology-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.topology-col {
  border-radius: var(--radius-md);
  padding: var(--space-md);
  border-top: 3px solid transparent;
}

.topology-col--danger {
  background: var(--color-danger-pale);
  border-top-color: var(--color-danger);
}

.topology-col--warning {
  background: var(--color-warning-pale);
  border-top-color: var(--color-warning);
}

.topology-col--info {
  background: var(--color-teal-pale);
  border-top-color: var(--color-teal);
}

.topology-col__title {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.topology-col--danger .topology-col__title { color: var(--color-danger); }
.topology-col--warning .topology-col__title { color: var(--color-warning); }
.topology-col--info .topology-col__title { color: var(--color-teal); }

.topology-item {
  padding: var(--space-xs) 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.topology-item:last-child {
  border-bottom: none;
}

.topology-item__label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 2px;
}

.topology-item__detail {
  font-size: 0.78rem;
  color: var(--color-graphite);
  line-height: 1.5;
}

.topology-note {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: var(--color-snow);
  border: 1px solid var(--color-cloud);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  color: var(--color-graphite);
  line-height: 1.7;
}

/* ============================================
   NEW: Conditions comparison row highlights
   ============================================ */

.conditions-compare-row--advantage td:nth-child(3) {
  color: var(--color-success);
  font-weight: 500;
}

.conditions-compare-row--constraint td:nth-child(3) {
  color: var(--color-danger);
}

/* ============================================
   NEW: Deep Dive Items
   ============================================ */

.deep-dive-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.deep-dive-item {
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-cloud);
}

.deep-dive-item:last-child {
  border-bottom: none;
}

.deep-dive-item__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.deep-dive-item__number {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-teal);
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-teal);
  border-radius: 50%;
}

.deep-dive-item__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.3;
}

.deep-dive-item__body {
  font-size: 0.92rem;
  color: var(--color-graphite);
  line-height: 1.75;
  margin-bottom: var(--space-md);
}

.deep-dive-item__edge {
  background: var(--color-teal-pale);
  border-left: 3px solid var(--color-teal);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-sm);
}

.deep-dive-item__edge-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-teal);
  display: block;
  margin-bottom: 4px;
}

.deep-dive-item__edge-text {
  font-size: 0.9rem;
  color: var(--color-charcoal);
  line-height: 1.7;
}

.deep-dive-item__source {
  font-size: 0.72rem;
  color: var(--color-slate);
  font-style: italic;
}

/* ============================================
   NEW: Bottom Line
   ============================================ */

.bottom-line {
  max-width: 780px;
}

.bottom-line__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-md);
}

.bottom-line__body {
  font-size: 1rem;
  color: var(--color-graphite);
  line-height: 1.8;
  margin-bottom: var(--space-sm);
}

.bottom-line__conclusion {
  font-size: 1rem;
  color: var(--color-charcoal);
  line-height: 1.8;
  font-weight: 500;
  margin-bottom: var(--space-lg);
}

.bottom-line__takeaway {
  background: var(--color-teal-pale);
  border: 1px solid rgba(26,77,92,0.2);
  border-left: 3px solid var(--color-teal);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.bottom-line__takeaway-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-teal);
  display: block;
  margin-bottom: var(--space-xs);
}

.bottom-line__takeaway-text {
  font-size: 0.92rem;
  color: var(--color-charcoal);
  line-height: 1.75;
}

/* Hero grid */
.hero__grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-lg);
  align-items: center;
}