/* ==========================================================================
   ANDIP LIVE — Components
   Accordions, tabs, workflow stepper, comparisons, timelines, docs, tables.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Accordion
   -------------------------------------------------------------------------- */
.accordion {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
}

.accordion + .accordion {
  margin-top: var(--space-4);
}

.accordion-item + .accordion-item {
  border-top: 1px solid var(--line);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--white);
  border: 0;
  font-family: inherit;
  font-size: 1.0125rem;
  font-weight: 650;
  color: var(--navy);
  text-align: left;
  cursor: pointer;
  transition: background var(--dur) var(--ease);
}

.accordion-trigger:hover {
  background: var(--blue-softer);
}

.accordion-trigger[aria-expanded="true"] {
  background: var(--blue-softer);
  color: var(--blue-dark);
}

.accordion-icon {
  flex: none;
  width: 20px;
  height: 20px;
  position: relative;
}

.accordion-icon::before,
.accordion-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.accordion-icon::before {
  top: 9px;
  left: 2px;
  width: 16px;
  height: 2px;
}

.accordion-icon::after {
  left: 9px;
  top: 2px;
  width: 2px;
  height: 16px;
}

.accordion-trigger[aria-expanded="true"] .accordion-icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.accordion-panel {
  padding: 0 var(--space-5) var(--space-5);
  background: var(--white);
}

.accordion-panel[hidden] {
  display: none;
}

.accordion-panel > *:first-child {
  margin-top: 0;
}

.accordion-panel > *:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Tabs
   -------------------------------------------------------------------------- */
.tabs {
  margin-top: var(--space-5);
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.35rem;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: var(--space-5);
}

.tab-btn {
  flex: 1 1 auto;
  min-width: 130px;
  padding: 0.62rem 0.9rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.tab-btn:hover {
  color: var(--navy);
  background: rgba(37, 99, 235, 0.07);
}

.tab-btn[aria-selected="true"] {
  background: var(--white);
  color: var(--blue-dark);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-xs);
}

.tab-panel[hidden] {
  display: none;
}

.tab-panel:focus {
  outline: none;
}

/* --------------------------------------------------------------------------
   Workflow stepper (How It Works)
   -------------------------------------------------------------------------- */
.stepper {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  position: relative;
}

.step-btn {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  align-items: flex-start;
  text-align: left;
  padding: var(--space-4);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: inherit;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.step-btn:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.step-btn[aria-selected="true"] {
  border-color: var(--blue);
  box-shadow: 0 0 0 1px var(--blue), var(--shadow);
}

.step-btn[aria-selected="true"] .step-index {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--white);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--ink-soft);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.step-label {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
}

.step-hint {
  font-size: 0.8rem;
  color: var(--ink-muted);
  line-height: 1.45;
}

.step-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.step-panel[hidden] {
  display: none;
}

.step-panel-head {
  padding: var(--space-5) var(--space-6);
  background: var(--navy);
  color: #c9d6ea;
}

.step-panel-head .pill {
  margin-bottom: var(--space-3);
}

.step-panel-head h3 {
  color: var(--white);
  margin-bottom: 0.3em;
}

.step-panel-head p {
  color: #aebed6;
  margin-bottom: 0;
}

.step-panel-body {
  padding: var(--space-6);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.step-panel-body > * {
  min-width: 0;
}

.step-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

/* Timeline list */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.75rem;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--blue), var(--teal));
  border-radius: 2px;
}

.timeline li {
  position: relative;
  margin-bottom: var(--space-5);
}

.timeline li:last-child {
  margin-bottom: 0;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -1.75rem;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--white);
  border: 2.5px solid var(--blue);
}

.timeline--teal li::before {
  border-color: var(--teal);
}

.timeline--amber li::before {
  border-color: var(--amber);
}

.timeline strong {
  display: block;
  color: var(--navy);
  font-size: 0.95rem;
}

.timeline span {
  display: block;
  font-size: var(--fs-sm);
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   Comparison (two intelligence modes)
   -------------------------------------------------------------------------- */
.compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.compare-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  background: var(--white);
  position: relative;
}

.compare-panel--a {
  background: var(--teal-soft);
  border-color: #bfe9e2;
}

.compare-panel--b {
  background: var(--blue-soft);
  border-color: #c9d8fb;
}

.compare-panel h3 {
  margin-top: var(--space-3);
}

.compare-panel .compare-sub {
  font-weight: 650;
  margin-bottom: var(--space-5);
}

.compare-panel--a .compare-sub {
  color: #0b7c70;
}

.compare-panel--b .compare-sub {
  color: var(--blue-dark);
}

.numbered-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: nl;
}

.numbered-list li {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  margin-bottom: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--ink-soft);
}

.numbered-list li::before {
  counter-increment: nl;
  content: counter(nl);
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 800;
  background: var(--teal);
  color: #04302c;
  margin-top: 2px;
}

.numbered-list--blue li::before {
  background: var(--blue);
  color: var(--white);
}

.numbered-list--amber li::before {
  background: var(--amber);
  color: #4a2a08;
}

.numbered-list--navy li::before {
  background: var(--navy);
  color: var(--white);
}

/* --------------------------------------------------------------------------
   Stat / meta strips
   -------------------------------------------------------------------------- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
}

.stat {
  padding: var(--space-5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.stat-value {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.stat-label {
  display: block;
  font-size: var(--fs-xs);
  color: var(--ink-muted);
  margin-top: 0.25rem;
  line-height: 1.45;
}

.section--navy .stat {
  background: rgba(255, 255, 255, 0.045);
  border-color: rgba(255, 255, 255, 0.14);
}

.section--navy .stat-value {
  color: var(--white);
}

.section--navy .stat-label {
  color: #9db0ca;
}

/* --------------------------------------------------------------------------
   Definition / spec list
   -------------------------------------------------------------------------- */
.spec-list {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
}

.spec-list > div {
  display: grid;
  grid-template-columns: minmax(180px, 0.85fr) 1.6fr;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--line);
}

.spec-list > div:last-child {
  border-bottom: 0;
}

.spec-list dt {
  font-weight: 700;
  color: var(--navy);
  font-size: 0.9375rem;
}

.spec-list dd {
  margin: 0;
  color: var(--ink-soft);
  font-size: var(--fs-sm);
}

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
  min-width: 640px;
}

table.data-table caption {
  caption-side: top;
  text-align: left;
  padding: var(--space-4) var(--space-5) 0;
  font-weight: 700;
  color: var(--navy);
}

table.data-table th,
table.data-table td {
  padding: 0.85rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

table.data-table thead th {
  background: var(--surface-alt);
  font-size: var(--fs-label);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 700;
  white-space: nowrap;
}

table.data-table tbody tr:last-child td {
  border-bottom: 0;
}

table.data-table tbody tr:hover {
  background: var(--blue-softer);
}

table.data-table .col-focus {
  background: rgba(37, 99, 235, 0.05);
}

table.data-table th.col-focus {
  background: var(--blue-soft);
  color: var(--blue-dark);
}

/* --------------------------------------------------------------------------
   Use case blocks
   -------------------------------------------------------------------------- */
.usecase {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}

.usecase-head {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--line);
  background: var(--surface-alt);
}

.usecase-badge {
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--white);
  background: var(--blue);
}

.usecase-badge--teal {
  background: var(--teal);
  color: #04302c;
}
.usecase-badge--amber {
  background: var(--amber);
  color: #4a2a08;
}
.usecase-badge--navy {
  background: var(--navy);
}

.usecase-head h3 {
  margin: 0;
}

.usecase-head p {
  margin: 0.15rem 0 0;
  font-size: var(--fs-sm);
  color: var(--ink-muted);
}

.usecase-body {
  padding: var(--space-6);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5) var(--space-6);
}

.usecase-field h4 {
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-dark);
  margin-bottom: 0.5em;
  font-weight: 700;
}

.usecase-field p,
.usecase-field ul {
  font-size: var(--fs-sm);
  color: var(--ink-soft);
  margin-bottom: 0;
}

.usecase-field ul {
  padding-left: 1.15em;
}

.usecase-field--wide {
  grid-column: 1 / -1;
}

/* --------------------------------------------------------------------------
   Docs layout
   -------------------------------------------------------------------------- */
.docs-layout {
  display: grid;
  grid-template-columns: 258px minmax(0, 1fr);
  gap: clamp(1.5rem, 1rem + 2vw, 3.5rem);
  align-items: start;
}

.docs-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  padding: var(--space-5);
  max-height: calc(100vh - var(--header-h) - 40px);
  overflow-y: auto;
}

.docs-sidebar h3 {
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-4);
}

.docs-nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.docs-nav li {
  margin-bottom: 0.15rem;
}

.docs-nav a {
  display: block;
  padding: 0.42rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.8875rem;
  color: var(--ink-soft);
  border-left: 2px solid transparent;
}

.docs-nav a:hover {
  background: var(--blue-softer);
  color: var(--navy);
  text-decoration: none;
}

.docs-nav a.is-active {
  background: var(--blue-soft);
  color: var(--blue-dark);
  font-weight: 650;
  border-left-color: var(--blue);
}

.docs-nav .docs-nav-sub {
  list-style: none;
  margin: 0.15rem 0 0.5rem;
  padding: 0 0 0 0.85rem;
}

.docs-nav .docs-nav-sub a {
  font-size: 0.845rem;
  padding: 0.3rem 0.55rem;
}

.docs-body {
  min-width: 0;
}

.docs-body section {
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding-bottom: var(--space-7);
  margin-bottom: var(--space-7);
  border-bottom: 1px solid var(--line);
}

.docs-body section:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.docs-body h2 {
  font-size: clamp(1.35rem, 1.15rem + 0.9vw, 1.75rem);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.docs-body h3 {
  font-size: 1.125rem;
  margin-top: var(--space-6);
}

.docs-body ul,
.docs-body ol {
  color: var(--ink-soft);
}

/* Docs search */
.docs-search {
  margin-bottom: var(--space-5);
}

.docs-search label {
  display: block;
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.4rem;
}

.docs-search input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--white);
}

.docs-search input:focus {
  border-color: var(--blue);
  outline: 3px solid rgba(37, 99, 235, 0.2);
  outline-offset: 0;
}

.search-results {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.search-results li {
  margin: 0;
  border-bottom: 1px solid var(--line);
}

.search-results li:last-child {
  border-bottom: 0;
}

.search-results a {
  display: block;
  padding: 0.65rem 0.85rem;
  font-size: 0.8875rem;
}

.search-results a strong {
  display: block;
  color: var(--navy);
}

.search-results a span {
  color: var(--ink-muted);
  font-size: 0.8125rem;
}

.search-results a:hover {
  background: var(--blue-softer);
  text-decoration: none;
}

.search-empty {
  font-size: var(--fs-sm);
  color: var(--ink-muted);
  margin-top: var(--space-3);
}

/* --------------------------------------------------------------------------
   Copy button
   -------------------------------------------------------------------------- */
.copy-wrap {
  position: relative;
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 0.35rem 0.7rem;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 650;
  color: #cfdcef;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.18);
  color: var(--white);
}

.copy-btn.is-copied {
  background: var(--teal);
  border-color: var(--teal);
  color: #04302c;
}

/* --------------------------------------------------------------------------
   Code block (light variant for docs)
   -------------------------------------------------------------------------- */
.code-block {
  background: var(--navy);
  border-radius: var(--radius);
  border: 1px solid var(--navy-700);
  overflow: hidden;
  margin-bottom: var(--space-5);
}

.code-block .code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0.55rem 0.9rem;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #93a8c6;
}

.code-block pre {
  margin: 0;
  border: 0;
  border-radius: 0;
  padding: var(--space-5);
  background: transparent;
}

.code-block .copy-btn {
  position: static;
}

/* --------------------------------------------------------------------------
   Open source list
   -------------------------------------------------------------------------- */
.os-item {
  display: grid;
  grid-template-columns: minmax(160px, 0.7fr) 1.7fr;
  gap: var(--space-4);
  padding: var(--space-5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.os-item h3 {
  margin: 0 0 0.2em;
  font-size: 1.0125rem;
}

.os-item .os-meta {
  font-size: var(--fs-xs);
  color: var(--ink-muted);
}

.os-item p {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   Contact cards
   -------------------------------------------------------------------------- */
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  background: var(--white);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  height: 100%;
}

.contact-card h3 {
  margin: 0;
  font-size: 1.0625rem;
}

.contact-card p {
  font-size: var(--fs-sm);
  color: var(--ink-soft);
  margin: 0;
  flex: 1;
}

.contact-card .contact-link {
  font-weight: 650;
  font-size: var(--fs-sm);
  word-break: break-word;
}

/* --------------------------------------------------------------------------
   Person / org card
   -------------------------------------------------------------------------- */
.profile-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.profile-head {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--line);
}

.avatar {
  flex: none;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 0.02em;
}

.profile-head h3 {
  margin: 0;
}

.profile-head p {
  margin: 0.1rem 0 0;
  font-size: var(--fs-sm);
  color: var(--ink-muted);
}

/* --------------------------------------------------------------------------
   CTA band
   -------------------------------------------------------------------------- */
.cta-band {
  background: var(--navy);
  color: #c6d3e8;
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 1.5rem + 3vw, 3.5rem);
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 120% at 88% 10%, rgba(20, 184, 166, 0.28), transparent 62%),
    radial-gradient(50% 120% at 5% 95%, rgba(37, 99, 235, 0.3), transparent 60%);
  pointer-events: none;
}

.cta-band > * {
  position: relative;
}

.cta-band h2 {
  color: var(--white);
}

.cta-band p {
  color: #adbed6;
}

/* --------------------------------------------------------------------------
   Animations (respect reduced motion via style.css)
   -------------------------------------------------------------------------- */
@keyframes dash-flow {
  to {
    stroke-dashoffset: -160;
  }
}

@keyframes pulse-node {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.55;
  }
}

.flow-line {
  stroke-dasharray: 7 7;
}

/* Motion is opt-in: diagrams are fully readable while static, and only
   animate once the visitor explicitly enables motion (or the page is
   marked as animated). */
.is-animated .flow-line {
  animation: dash-flow 5s linear infinite;
}

.is-animated .pulse {
  animation: pulse-node 2.8s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .is-animated .flow-line {
    animation: none;
  }
  .is-animated .pulse {
    animation: none;
  }
}

/* Fade-in on scroll */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 560ms var(--ease), transform 560ms var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* JS disabled fallback */
.no-js .reveal {
  opacity: 1;
  transform: none;
}