/* ============================================================
   UI Kit — scannable layout components (presentation only)
   Depends on design tokens in styles.css
   ============================================================ */

/* --- Section shell --- */
.ui-section {
  padding: clamp(1.75rem, 4vw, 3rem) 0;
}
.ui-section--soft {
  background: var(--color-hero-soft, #eef6ff);
}
.ui-section--alt {
  background: var(--color-bg, #f8fafc);
}
.ui-section-head {
  max-width: 720px;
  margin: 0 auto clamp(1.25rem, 3vw, 2rem);
  text-align: center;
}
.ui-section-head.left {
  text-align: left;
  margin-left: 0;
}

/* --- Grids --- */
.ui-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
.ui-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.ui-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.ui-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.ui-grid--auto {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
@media (max-width: 900px) {
  .ui-grid--3,
  .ui-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .ui-grid--2,
  .ui-grid--3,
  .ui-grid--4 {
    grid-template-columns: 1fr;
  }
}

/* --- Cards --- */
.ui-card {
  background: var(--color-surface, #ffffff);
  border: 1px solid var(--color-border, #dbe4ef);
  border-radius: var(--radius-md, 10px);
  box-shadow: var(--shadow-card, 0 12px 30px rgba(15, 23, 42, 0.06));
  padding: 1.15rem 1.2rem;
  box-sizing: border-box;
  min-width: 0;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.ui-card:hover {
  border-color: rgba(15, 95, 187, 0.35);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.1);
}
@media (prefers-reduced-motion: reduce) {
  .ui-card {
    transition: none;
  }
  .ui-card:hover {
    transform: none;
  }
}
.ui-card--accent {
  border-left: 4px solid var(--color-brand, #0f5fbb);
}
.ui-card--warn {
  border-left: 4px solid #b45309;
}
.ui-card--success {
  border-left: 4px solid #15803d;
}
.ui-card--top {
  border-top: 3px solid var(--color-brand, #0f5fbb);
  border-left-color: var(--color-border, #dbe4ef);
}
.ui-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #eef6ff;
  color: var(--color-brand, #0f5fbb);
  margin-bottom: 0.75rem;
}
.ui-card h3,
.ui-card .ui-card__title {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  color: var(--color-ink, #0f172a);
  line-height: 1.25;
}
.ui-card p {
  margin: 0;
  color: var(--color-muted, #475569);
  line-height: 1.5;
  font-size: 0.95rem;
}

/* Bento */
.ui-bento {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (max-width: 700px) {
  .ui-bento {
    grid-template-columns: 1fr;
  }
}

/* --- Icons --- */
.ui-icon {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
  vertical-align: middle;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ui-icon--sm {
  width: 1.15rem;
  height: 1.15rem;
}
.ui-icon--lg {
  width: 2rem;
  height: 2rem;
}
.ui-icon--xl {
  width: 2.5rem;
  height: 2.5rem;
}
.ui-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 12px;
  background: #eef6ff;
  color: var(--color-brand, #0f5fbb);
  flex-shrink: 0;
}
.ui-icon-wrap--warn {
  background: #fff7ed;
  color: #b45309;
}
.ui-icon-wrap--success {
  background: #f0fdf4;
  color: #15803d;
}
.ui-icon-wrap--muted {
  background: #f1f5f9;
  color: #475569;
}

/* --- Enhanced accordions (native details) --- */
.ui-accordion,
details.ui-accordion,
.device-card details,
.worth-accordions details,
.markus-accordion details {
  border: 1px solid var(--color-border, #dbe4ef);
  border-radius: var(--radius-md, 10px);
  background: var(--color-surface, #ffffff);
  overflow: hidden;
  margin: 0;
}
.ui-accordion + .ui-accordion,
.worth-accordions details + details,
.markus-accordion details + details {
  margin-top: 0.55rem;
}
.ui-accordion > summary,
details.ui-accordion > summary,
.device-card details > summary,
.worth-accordions summary,
.markus-accordion summary {
  cursor: pointer;
  list-style: none;
  padding: 0.95rem 2.75rem 0.95rem 1.1rem;
  position: relative;
  font-weight: 750;
  color: var(--color-ink, #0f172a);
  min-height: var(--tap-min, 44px);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  box-sizing: border-box;
}
.ui-accordion > summary::-webkit-details-marker,
details.ui-accordion > summary::-webkit-details-marker,
.device-card details > summary::-webkit-details-marker,
.worth-accordions summary::-webkit-details-marker,
.markus-accordion summary::-webkit-details-marker {
  display: none;
}
.ui-accordion > summary::after,
details.ui-accordion > summary::after,
.device-card details > summary::after,
.worth-accordions summary::after,
.markus-accordion summary::after {
  content: "";
  position: absolute;
  right: 1rem;
  top: 50%;
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2px solid var(--color-brand, #0f5fbb);
  border-bottom: 2px solid var(--color-brand, #0f5fbb);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.2s ease;
}
.ui-accordion[open] > summary::after,
details.ui-accordion[open] > summary::after,
.device-card details[open] > summary::after,
.worth-accordions details[open] summary::after,
.markus-accordion details[open] summary::after {
  transform: translateY(-30%) rotate(225deg);
}
.ui-accordion[open],
details.ui-accordion[open],
.device-card details[open],
.worth-accordions details[open],
.markus-accordion details[open] {
  border-color: rgba(15, 95, 187, 0.45);
  box-shadow: 0 0 0 1px rgba(15, 95, 187, 0.12);
}
.ui-accordion > summary:focus-visible,
details.ui-accordion > summary:focus-visible,
.device-card details > summary:focus-visible,
.worth-accordions summary:focus-visible,
.markus-accordion summary:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 3px rgba(15, 95, 187, 0.35);
}
.ui-accordion__body,
.device-detail {
  padding: 0 1.1rem 1.1rem;
  border-top: 1px solid var(--color-border, #dbe4ef);
  margin-top: 0;
  color: var(--color-muted, #475569);
}
/* Device cards keep pages.css "Tell me more" ::after — only open border from kit */

/* --- Callouts --- */
.ui-callout {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-md, 10px);
  border: 1px solid var(--color-border, #dbe4ef);
  background: #f8fafc;
  margin: 1rem 0;
  color: var(--color-muted, #475569);
  line-height: 1.5;
}
.ui-callout > :last-child {
  margin-bottom: 0;
  flex: 1;
  min-width: 0;
}
.ui-callout--info {
  background: #eef6ff;
  border-color: #c9def5;
  border-left: 4px solid var(--color-brand, #0f5fbb);
}
.ui-callout--warn {
  background: #fff7ed;
  border-color: #fed7aa;
  border-left: 4px solid #b45309;
}
.ui-callout--success {
  background: #f0fdf4;
  border-color: #bbf7d0;
  border-left: 4px solid #15803d;
}
.ui-callout--quote {
  background: #ffffff;
  border-left: 4px solid var(--color-brand, #0f5fbb);
  font-weight: 650;
  color: var(--color-ink, #0f172a);
  box-shadow: var(--shadow-card, 0 12px 30px rgba(15, 23, 42, 0.06));
}

/* --- Stats / chips / trust --- */
.ui-stat {
  text-align: center;
  padding: 1rem;
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #dbe4ef);
  border-radius: var(--radius-md, 10px);
}
.ui-stat__value {
  display: block;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 850;
  color: var(--color-brand, #0f5fbb);
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.ui-stat__label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-muted, #475569);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.ui-chip-row,
.ui-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin: 0.75rem 0 0;
}
.ui-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: #eef6ff;
  border: 1px solid #c9def5;
  color: var(--color-brand, #0f5fbb);
  font-size: 0.82rem;
  font-weight: 750;
  white-space: nowrap;
}
.ui-chip--neutral {
  background: #f1f5f9;
  border-color: #dbe4ef;
  color: #475569;
}
.ui-chip--success {
  background: #f0fdf4;
  border-color: #bbf7d0;
  color: #15803d;
}

/* --- Comparison & path cards --- */
.ui-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: stretch;
}
@media (max-width: 700px) {
  .ui-compare {
    grid-template-columns: 1fr;
  }
}
.ui-compare__col {
  padding: 1.25rem;
  border-radius: var(--radius-md, 10px);
  border: 1px solid var(--color-border, #dbe4ef);
  background: #fff;
}
.ui-compare__col--bad {
  background: #fef2f2;
  border-color: #fecaca;
}
.ui-compare__col--good {
  background: #f0fdf4;
  border-color: #bbf7d0;
  box-shadow: 0 12px 30px rgba(21, 128, 61, 0.08);
}
.ui-path-grid {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (max-width: 800px) {
  .ui-path-grid {
    grid-template-columns: 1fr;
  }
}
.ui-path-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #fff;
  border: 1px solid var(--color-border, #dbe4ef);
  border-radius: 12px;
  box-shadow: var(--shadow-card, 0 12px 30px rgba(15, 23, 42, 0.06));
  overflow: hidden;
  padding: 0;
}
.ui-path-card__kicker {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1.15rem;
  background: #eef6ff;
  border-bottom: 1px solid #c9def5;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-brand, #0f5fbb);
}
.ui-path-card__body {
  padding: 1.15rem 1.25rem 1.35rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.ui-path-card__body h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  color: var(--color-ink, #0f172a);
}
.ui-path-card__body p {
  margin: 0;
  color: var(--color-muted, #475569);
  line-height: 1.55;
}
.ui-path-card .engineer-brief,
.ui-path-card .ui-callout {
  margin-top: auto;
}

/* --- Price rows / service rows --- */
.ui-price-list {
  display: grid;
  gap: 0.75rem;
}
.ui-price-row {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.6fr) auto;
  gap: 0.75rem 1rem;
  align-items: center;
  padding: 1rem 1.15rem;
  background: #fff;
  border: 1px solid var(--color-border, #dbe4ef);
  border-radius: var(--radius-md, 10px);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
}
.ui-price-row__name {
  font-weight: 800;
  color: var(--color-ink, #0f172a);
  margin: 0;
}
.ui-price-row__desc {
  margin: 0;
  color: var(--color-muted, #475569);
  font-size: 0.92rem;
  line-height: 1.4;
}
.ui-price-row__amt {
  font-weight: 850;
  color: var(--color-brand, #0f5fbb);
  white-space: nowrap;
  font-size: 1.05rem;
  text-align: right;
}
@media (max-width: 700px) {
  .ui-price-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
  .ui-price-row__amt {
    text-align: left;
    margin-top: 0.25rem;
  }
}

/* --- Symptom / list row cards --- */
.ui-symptom-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}
.ui-symptom-list > li,
.ui-symptom-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.85rem 0.95rem;
  background: #ffffff;
  border: 1px solid var(--color-border, #dbe4ef);
  border-radius: 10px;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.04);
  color: var(--color-muted, #475569);
  line-height: 1.45;
  font-size: 0.95rem;
  min-width: 0;
  overflow-wrap: anywhere;
}
.ui-symptom-list > li b,
.ui-symptom-item b {
  color: var(--color-ink, #0f172a);
}

/* --- Fit / not-fit dual columns --- */
.ui-fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 700px) {
  .ui-fit-grid {
    grid-template-columns: 1fr;
  }
}
.ui-fit-card {
  padding: 1.2rem;
  border-radius: 12px;
  border: 1px solid var(--color-border, #dbe4ef);
  background: #fff;
}
.ui-fit-card--yes {
  background: #f0fdf4;
  border-color: #bbf7d0;
}
.ui-fit-card--no {
  background: #fff7ed;
  border-color: #fed7aa;
}
.ui-fit-card h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.85rem;
  font-size: 1.05rem;
}
.ui-fit-card ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--color-muted, #475569);
  line-height: 1.5;
}
.ui-fit-card li {
  margin-bottom: 0.4rem;
}

/* --- Timeline enhancement --- */
.ui-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 0;
}
.ui-timeline::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: linear-gradient(180deg, #0f5fbb, #93c5fd);
  border-radius: 2px;
}
.ui-timeline .timeline-step,
.ui-timeline__step {
  position: relative;
  display: flex;
  gap: 1rem;
  margin-bottom: 1.1rem;
  background: #fff;
  border: 1px solid var(--color-border, #dbe4ef);
  border-radius: 12px;
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow-card, 0 12px 30px rgba(15, 23, 42, 0.06));
  align-items: flex-start;
}
.ui-timeline .step-number,
.ui-timeline__num {
  position: relative;
  z-index: 1;
  background: var(--color-brand, #0f5fbb);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px #eef6ff;
}
@media (max-width: 600px) {
  .ui-timeline::before {
    left: 50%;
    transform: translateX(-50%);
    display: none;
  }
}

/* --- Heading with icon --- */
.ui-h-with-icon {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 0.5rem;
}
.ui-h-with-icon h2,
.ui-h-with-icon h3 {
  margin: 0;
}

/* Service page card top accent variants */
.ui-card--top-warn {
  border-top-color: #b45309;
}
.ui-card--top-success {
  border-top-color: #15803d;
}
.ui-card--top-accent {
  border-top-color: #f97316;
}

/* Amersham truth bar as callout */
.triage-quad .truth-bar.ui-callout,
.ui-callout.truth-bar {
  margin-top: 1rem;
}

/* Symptom cards inside device details lists stay readable */
.device-detail ul {
  display: grid;
  gap: 0.35rem;
  padding-left: 1.1rem;
}

/* Ensure forms untouched visually but framed when requested */
.ui-form-frame {
  border-radius: 12px;
  border: 1px solid var(--color-border, #dbe4ef);
  box-shadow: var(--shadow-elevated, 0 16px 42px rgba(15, 23, 42, 0.09));
}


/* --- which-os path cards: stack image under text --- */
.ui-path-card .os-layout {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.ui-path-card .os-preview {
  width: 100%;
  max-height: 180px;
  object-fit: cover;
  border-radius: 10px;
  order: -1;
}
.ui-path-card .os-info h3 {
  color: var(--color-brand, #0f5fbb);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 0.35rem;
}
.ui-path-card .os-info h2 {
  margin: 0 0 0.65rem;
}

/* --- Amersham triage quads as cards --- */
.triage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px 2rem;
}
@media (max-width: 900px) {
  .triage-grid {
    grid-template-columns: 1fr;
  }
}
.triage-quad.ui-card {
  position: relative;
  overflow: hidden;
  padding: 1.35rem 1.35rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-width: 0;
}
.triage-quad .ui-symptom-list { min-width: 0; }
.triage-quad .watermark {
  position: absolute;
  right: -0.2rem;
  top: -0.5rem;
  opacity: 0.06;
  pointer-events: none;
  line-height: 1;
  z-index: 0;
}
.triage-quad > * {
  position: relative;
  z-index: 1;
}
.triage-quad h2 {
  margin: 0;
  font-size: 1.45rem;
}
.triage-quad .issue-prompt {
  margin: 0;
  font-weight: 700;
  color: var(--color-brand, #0f5fbb);
  font-size: 0.9rem;
}
.triage-quad .action-container {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding-top: 0.5rem;
}
.triage-quad .price-tag {
  font-weight: 800;
  color: var(--color-muted, #475569);
  font-size: 0.9rem;
}

/* Symptom list already styled via .ui-symptom-list */

/* Service page cards with top accent */
.service-page .card.ui-card,
.os-page .card.ui-card,
.pricing-page .card.ui-card {
  height: 100%;
}

/* Pricing page how-it-works style cards */
.pricing-page .grid.three,
.service-page .grid.three {
  align-items: stretch;
}

/* Index decision cards */
.home-page .decision-card.ui-card {
  min-height: 100%;
}

/* Hide broken incomplete fit-card wrappers if any left unclosed - ensure fit h3 style */
.ui-fit-card h3 {
  margin-top: 0;
}

.good-bad.ui-fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1rem 0;
}
@media (max-width: 700px) {
  .good-bad.ui-fit-grid { grid-template-columns: 1fr; }
}