/* Help center — Grove Guide (dark sonar hero + sticky topic rail + timeline FAQ stream) */

.page-help-grove .page-main {
  padding-top: 0;
}

/* ── Hero ── */
.a55-grove-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(28px, 5vw, 48px);
  overflow: clip;
  color: var(--on-dark);
}

.a55-grove-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 70% at 12% 18%, rgba(31, 107, 74, 0.35) 0%, transparent 58%),
    radial-gradient(ellipse 70% 55% at 92% 72%, rgba(200, 29, 37, 0.18) 0%, transparent 52%),
    linear-gradient(155deg, #031f33 0%, #062a44 42%, #0a3d62 100%);
  z-index: 0;
}

.a55-grove-hero-rings {
  position: absolute;
  top: 50%;
  right: clamp(4%, 8vw, 12%);
  width: min(420px, 52vw);
  aspect-ratio: 1;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 0;
}

.a55-grove-hero-rings span {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(248, 250, 252, 0.08);
  animation: a55-grove-pulse 5.5s ease-out infinite;
}

.a55-grove-hero-rings span:nth-child(2) {
  inset: 12%;
  animation-delay: -1.4s;
}

.a55-grove-hero-rings span:nth-child(3) {
  inset: 24%;
  animation-delay: -2.8s;
}

.a55-grove-hero-rings span:nth-child(4) {
  inset: 36%;
  animation-delay: -4.2s;
  border-color: rgba(31, 107, 74, 0.35);
}

@keyframes a55-grove-pulse {
  0% { transform: scale(0.92); opacity: 0.15; }
  45% { opacity: 0.55; }
  100% { transform: scale(1.08); opacity: 0; }
}

.a55-grove-hero-inner {
  position: relative;
  z-index: 1;
}

.a55-grove-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(248, 250, 252, 0.62);
}

.a55-grove-crumb a {
  color: rgba(248, 250, 252, 0.88);
  transition: color 0.2s ease;
}

.a55-grove-crumb a:hover {
  color: #fff;
}

.a55-grove-crumb [aria-current="page"] {
  color: #fff;
}

.a55-grove-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(240px, 0.85fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

.a55-grove-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  padding: 6px 14px 6px 8px;
  border-radius: var(--radius-full);
  background: rgba(248, 250, 252, 0.08);
  border: 1px solid rgba(248, 250, 252, 0.12);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(248, 250, 252, 0.9);
}

.a55-grove-eyebrow-mark {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--signal);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
}

.a55-grove-hero-copy h1 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #fff;
}

.a55-grove-hero-copy h1 em {
  font-style: normal;
  color: #7dd3a8;
}

.a55-grove-lede {
  margin: 0;
  max-width: 38ch;
  font-size: 1.05rem;
  line-height: 1.75;
  color: rgba(248, 250, 252, 0.78);
}

.a55-grove-seek-wrap {
  position: relative;
}

.a55-grove-seek {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin: 0;
  padding: 6px;
  border-radius: calc(var(--radius-xl) + 4px);
  background: rgba(248, 250, 252, 0.1);
  border: 1px solid rgba(248, 250, 252, 0.16);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 48px rgba(2, 12, 22, 0.35);
}

.a55-grove-seek svg {
  flex: 0 0 auto;
  align-self: center;
  width: 22px;
  height: 22px;
  margin-left: 14px;
  color: rgba(248, 250, 252, 0.88);
}

.a55-grove-seek input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 16px 14px;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 1rem;
  color: #fff;
}

.a55-grove-seek input::placeholder {
  color: rgba(248, 250, 252, 0.82);
}

.a55-grove-seek input:focus {
  outline: none;
}

.a55-grove-seek button {
  flex: 0 0 auto;
  padding: 14px 22px;
  border: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--success), #15803d);
  color: #fff;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.a55-grove-seek button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(31, 107, 74, 0.45);
}

.a55-grove-seek-hint {
  margin: 12px 0 0;
  font-size: 0.86rem;
  color: rgba(248, 250, 252, 0.85);
}

.a55-grove-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.a55-grove-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: var(--radius-full);
  background: rgba(248, 250, 252, 0.07);
  border: 1px solid rgba(248, 250, 252, 0.14);
  color: rgba(248, 250, 252, 0.92);
  font-size: 0.84rem;
  font-weight: 650;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.a55-grove-chip:hover {
  background: rgba(248, 250, 252, 0.14);
  border-color: rgba(248, 250, 252, 0.28);
  transform: translateY(-1px);
}

.a55-grove-chip-num {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(248, 250, 252, 0.12);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0;
}

/* ── Stage layout ── */
.a55-grove-stage {
  padding: clamp(28px, 5vw, 48px) 0 clamp(36px, 6vw, 64px);
  background:
    linear-gradient(180deg, #eef4f8 0%, #f8fafc 28%, #f8fafc 100%);
}

.a55-grove-layout {
  display: grid;
  grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.a55-grove-rail {
  position: sticky;
  top: calc(var(--dock-offset, 88px) + 16px);
}

.a55-grove-rail-head {
  margin: 0 0 14px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.a55-grove-rail-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.a55-grove-rail-link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-lg);
  background: var(--paper);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: var(--shadow-xs);
  color: var(--ink);
  text-decoration: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.a55-grove-rail-link:hover {
  border-color: rgba(15, 23, 42, 0.14);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.a55-grove-rail-link.is-active {
  border-color: color-mix(in srgb, var(--grove-hue, var(--blueprint)) 35%, transparent);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--grove-hue, var(--blueprint)) 12%, transparent);
}

.a55-grove-rail-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--grove-hue, var(--blueprint)) 12%, white);
  color: var(--grove-hue, var(--blueprint));
}

.a55-grove-rail-icon svg {
  width: 20px;
  height: 20px;
}

.a55-grove-rail-link strong {
  display: block;
  font-size: 0.92rem;
  line-height: 1.35;
}

.a55-grove-rail-link small {
  display: block;
  margin-top: 2px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--muted);
}

.a55-grove-rail-count {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--muted-soft);
}

/* ── FAQ stream ── */
.a55-grove-stream {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 4vw, 40px);
}

.a55-grove-stream::before {
  content: "";
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 22px;
  width: 2px;
  background: linear-gradient(180deg, rgba(10, 61, 98, 0.08), rgba(31, 107, 74, 0.22), rgba(200, 29, 37, 0.08));
  border-radius: 2px;
  pointer-events: none;
}

.a55-grove-block {
  position: relative;
  padding-left: 56px;
  scroll-margin-top: calc(var(--dock-offset, 88px) + 24px);
}

.a55-grove-block.is-hidden {
  display: none;
}

.a55-grove-block-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.a55-grove-block-pin {
  position: absolute;
  left: 0;
  top: 4px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid color-mix(in srgb, var(--grove-hue, var(--blueprint)) 55%, white);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--grove-hue, var(--blueprint)) 18%, transparent);
  font-family: var(--serif);
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--grove-hue, var(--blueprint));
}

.a55-grove-block-head h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  font-weight: 800;
  color: var(--ink);
}

.a55-grove-block-head p {
  flex: 1 1 100%;
  margin: 0;
  padding-left: 0;
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--graphite);
}

.a55-grove-nodes {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.a55-grove-node {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--radius-lg);
  background: var(--paper);
  box-shadow: var(--shadow-xs);
  overflow: clip;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.a55-grove-node:hover {
  border-color: color-mix(in srgb, var(--grove-hue, var(--blueprint)) 22%, transparent);
  box-shadow: var(--shadow-sm);
}

.a55-grove-node[open] {
  border-color: color-mix(in srgb, var(--grove-hue, var(--blueprint)) 35%, transparent);
  box-shadow: 0 12px 32px color-mix(in srgb, var(--grove-hue, var(--blueprint)) 10%, transparent);
}

.a55-grove-node summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink);
  list-style: none;
}

.a55-grove-node summary::-webkit-details-marker {
  display: none;
}

.a55-grove-node summary::before {
  content: "+";
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--grove-hue, var(--blueprint)) 10%, white);
  color: var(--grove-hue, var(--blueprint));
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.a55-grove-node[open] summary::before {
  content: "−";
  transform: rotate(180deg);
  background: var(--grove-hue, var(--blueprint));
  color: #fff;
}

.a55-grove-node > div {
  padding: 0 20px 18px 60px;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--graphite);
}

.a55-grove-node > div a {
  color: var(--blueprint);
  font-weight: 650;
  text-decoration-thickness: from-font;
}

.a55-grove-node > div a:hover {
  color: var(--signal);
}

.a55-grove-empty {
  display: none;
  margin: 28px auto 0;
  max-width: 520px;
  padding: 18px 22px;
  border-radius: var(--radius-lg);
  background: #fff7ed;
  border: 1px solid #fed7aa;
  text-align: center;
  color: #9a3412;
  font-weight: 600;
}

.a55-grove-empty.is-visible {
  display: block;
}

.a55-grove-empty a {
  color: var(--signal-deep);
  font-weight: 700;
}

/* ── Bridge strip ── */
.a55-grove-bridge {
  padding: clamp(24px, 4vw, 36px) 0 clamp(32px, 5vw, 48px);
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.a55-grove-bridge-inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 20px);
}

.a55-grove-bridge-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.5vw, 24px);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, #f8fafc, #fff);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.a55-grove-bridge-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.a55-grove-bridge-card span {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.a55-grove-bridge-card strong {
  font-family: var(--serif);
  font-size: 1.12rem;
  color: var(--ink);
}

.a55-grove-bridge-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--graphite);
}

.a55-grove-bridge-card a {
  margin-top: auto;
  align-self: flex-start;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--blueprint);
}

.a55-grove-bridge-card a:hover {
  color: var(--signal);
}

/* ── Responsive ── */
@media (max-width: 960px) {
  .a55-grove-hero-grid {
    grid-template-columns: 1fr;
  }

  .a55-grove-hero-rings {
    top: 18%;
    right: -8%;
    opacity: 0.45;
  }

  .a55-grove-layout {
    grid-template-columns: 1fr;
  }

  .a55-grove-rail {
    position: static;
  }

  .a55-grove-rail-list {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 6px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .a55-grove-rail-link {
    flex: 0 0 min(240px, 78vw);
    scroll-snap-align: start;
  }

  .a55-grove-rail-link:hover {
    transform: none;
  }

  .a55-grove-stream::before {
    display: none;
  }

  .a55-grove-block {
    padding-left: 0;
  }

  .a55-grove-block-pin {
    position: static;
    margin-bottom: 10px;
  }

  .a55-grove-bridge-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .a55-grove-seek {
    flex-direction: column;
    padding: 10px;
  }

  .a55-grove-seek svg {
    display: none;
  }

  .a55-grove-seek input {
    padding: 14px 12px;
    border-radius: var(--radius);
    background: rgba(2, 12, 22, 0.22);
  }

  .a55-grove-seek button {
    width: 100%;
  }

  .a55-grove-node > div {
    padding-left: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .a55-grove-hero-rings span {
    animation: none;
    opacity: 0.25;
  }
}