/* ===== Design Tokens ===== */
:root {
  --bg: #f7f7fb;
  --bg-soft: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.7);
  --fg: #1a1d29;
  --fg-soft: #4b5063;
  --muted: #8089a0;
  --border: rgba(20, 23, 40, 0.08);
  --border-strong: rgba(20, 23, 40, 0.14);

  --brand: #5b6cff;
  --brand-2: #7a5bff;
  --accent: #a371f7;
  --grad-brand: linear-gradient(135deg, #5b6cff 0%, #7a5bff 50%, #a371f7 100%);
  --grad-soft: linear-gradient(135deg, rgba(91, 108, 255, 0.08), rgba(163, 113, 247, 0.08));

  --shadow-sm: 0 1px 2px rgba(20, 23, 40, 0.04), 0 1px 3px rgba(20, 23, 40, 0.06);
  --shadow: 0 4px 12px rgba(20, 23, 40, 0.06), 0 12px 28px rgba(20, 23, 40, 0.08);
  --shadow-lg: 0 24px 64px rgba(91, 108, 255, 0.18);

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-pill: 999px;

  --container: 1080px;
  --t-fast: 160ms;
  --t-base: 240ms;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Source Code Pro", monospace;
}

/* Dark tokens — applied either via system preference (when user hasn't forced light)
   or via explicit data-theme="dark". Keeping both rules in sync. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c0e16;
    --bg-soft: #141826;
    --bg-card: rgba(28, 32, 48, 0.6);
    --fg: #f3f4fa;
    --fg-soft: #c3c8d8;
    --muted: #8a93ad;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.15);
    --grad-soft: linear-gradient(135deg, rgba(91, 108, 255, 0.18), rgba(163, 113, 247, 0.18));
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 24px 64px rgba(91, 108, 255, 0.25);
  }
}
:root[data-theme="dark"] {
  --bg: #0c0e16;
  --bg-soft: #141826;
  --bg-card: rgba(28, 32, 48, 0.6);
  --fg: #f3f4fa;
  --fg-soft: #c3c8d8;
  --muted: #8a93ad;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --grad-soft: linear-gradient(135deg, rgba(91, 108, 255, 0.18), rgba(163, 113, 247, 0.18));
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 24px 64px rgba(91, 108, 255, 0.25);
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
b, strong { color: var(--fg); font-weight: 600; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--fg);
  color: var(--bg);
  padding: 8px 16px;
  border-radius: var(--r-sm);
  z-index: 100;
}
.skip-link:focus { left: 16px; top: 16px; }

/* ===== Header ===== */
.hd {
  position: relative;
  z-index: 50;
  margin: 16px 24px 0;
}
.hd__inner {
  max-width: var(--container);
  margin: 0 auto;
  background: var(--bg-card);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
  border-radius: var(--r-pill);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 20px;
  line-height: 1;
}
.brand__mark {
  width: 28px;
  height: 32px;
  display: inline-block;
  flex: none;
  margin-right: -5px;
}
.brand__mark svg {
  width: 100%;
  height: 100%;
  display: block;
  filter: drop-shadow(0 2px 6px rgba(167, 139, 250, 0.3));
}
.brand__name {
  background: linear-gradient(135deg, #ec4899 0%, #a78bfa 50%, #5b6cff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-transform: lowercase;
}
.hd__nav {
  display: flex;
  gap: 24px;
  font-size: 14px;
}
.hd__link {
  color: var(--fg-soft);
  transition: color var(--t-fast);
}
.hd__link:hover { color: var(--fg); }
.hd__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== Theme & Lang buttons (header) ===== */
.icon-btn {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  line-height: 1;
  color: var(--fg-soft);
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-pill);
  cursor: pointer;
  text-decoration: none;
  padding: 0;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.icon-btn:hover {
  color: var(--brand);
  border-color: var(--brand);
  background: rgba(91, 108, 255, 0.06);
}
.icon-btn:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}
.lang-btn {
  min-width: 32px;
  width: auto;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ===== Site switcher (header dropdown) ===== */
.site-switcher { position: relative; }
.site-switcher > summary { list-style: none; cursor: pointer; }
.site-switcher > summary::-webkit-details-marker { display: none; }
.site-switcher .ssw__trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 10px;
  font-size: 13px;
  color: var(--fg-soft);
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-pill);
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
  white-space: nowrap;
  user-select: none;
}
.site-switcher .ssw__trigger:hover {
  color: var(--brand);
  border-color: var(--brand);
  background: rgba(91, 108, 255, 0.06);
}
.site-switcher[open] .ssw__trigger {
  color: var(--brand);
  border-color: var(--brand);
}
.site-switcher .ssw__grid { width: 14px; height: 14px; fill: currentColor; }
.site-switcher .ssw__chev { font-size: 10px; opacity: 0.7; transition: transform var(--t-fast); }
.site-switcher[open] .ssw__chev { transform: rotate(180deg); }

.site-switcher .ssw__panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 280px;
  padding: 6px;
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  box-shadow: var(--shadow);
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.site-switcher .ssw__item {
  display: flex;
  flex-direction: column;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  text-decoration: none;
  color: var(--fg);
  transition: background 0.12s;
}
.site-switcher .ssw__item:hover { background: var(--grad-soft); }
.site-switcher .ssw__item-row {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.site-switcher .ssw__item-name { font-size: 14px; font-weight: 600; }
.site-switcher .ssw__item-badge {
  font-size: 11px;
  padding: 1px 6px;
  border-radius: var(--r-pill);
  background: rgba(91, 108, 255, 0.12);
  color: var(--brand);
  white-space: nowrap;
}
.site-switcher .ssw__item-tag {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
  line-height: 1.4;
}

@media (max-width: 640px) {
  .hd { margin: 12px 12px 0; }
  .hd__inner { padding: 8px 14px; gap: 10px; }
  .hd__nav { gap: 14px; font-size: 13px; }
  .hd__actions { gap: 6px; }
  .brand__mark { width: 24px; height: 28px; margin-right: -4px; }
  .site-switcher .ssw__label { display: none; }
  .site-switcher .ssw__trigger { padding: 0 8px; }
  .site-switcher .ssw__panel { right: -8px; min-width: 240px; }
}

/* ===== Back to top ===== */
.to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 60;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-pill);
  background: var(--bg-card);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  color: var(--fg);
  box-shadow: var(--shadow);
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.92);
  transition:
    opacity var(--t-base) ease,
    transform var(--t-base) ease,
    visibility var(--t-base) ease,
    background var(--t-fast) ease,
    border-color var(--t-fast) ease,
    color var(--t-fast) ease,
    box-shadow var(--t-fast) ease;
}
.to-top svg {
  width: 20px;
  height: 20px;
}
.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.to-top:hover {
  color: #fff;
  background: var(--grad-brand);
  border-color: transparent;
  box-shadow: var(--shadow-lg);
}
.to-top:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}
@media (max-width: 640px) {
  .to-top { right: 16px; bottom: 16px; width: 40px; height: 40px; }
  .to-top svg { width: 18px; height: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .to-top { transition: opacity var(--t-fast) ease, visibility var(--t-fast) ease; transform: none; }
  .to-top.is-visible { transform: none; }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 88px 0 64px;
  overflow: hidden;
}
.hero__eyebrow {
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
  font-weight: 600;
}
.hero__title {
  font-size: clamp(34px, 6vw, 64px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin-bottom: 24px;
}
.grad {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__sub {
  font-size: clamp(16px, 1.6vw, 18px);
  color: var(--fg-soft);
  max-width: 620px;
  margin-bottom: 36px;
}
.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: 15px;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.cta--primary {
  color: #fff;
  background: var(--grad-brand);
  box-shadow: var(--shadow-lg);
}
.cta--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 28px 72px rgba(91, 108, 255, 0.32);
}
.cta--ghost {
  color: var(--fg);
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
}
.cta--ghost:hover {
  background: var(--bg-card);
  border-color: var(--brand);
}

.hero__glow {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(91, 108, 255, 0.18), transparent 60%);
  filter: blur(40px);
  pointer-events: none;
  z-index: -1;
}

/* ===== Section heads ===== */
.section-head {
  margin-bottom: 36px;
}
.section-head__title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.section-head__sub {
  color: var(--fg-soft);
  font-size: 15px;
}

/* ===== Projects ===== */
.projects { padding: 56px 0; }
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}
.card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  padding: 24px;
  background: var(--bg-card);
  backdrop-filter: saturate(160%) blur(12px);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
  color: inherit;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--brand);
}
.card__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
}
.card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
.card__title {
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.card__badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--r-pill);
  background: var(--grad-soft);
  color: var(--brand);
  border: 1px solid rgba(91, 108, 255, 0.2);
}
.card__desc {
  font-size: 14px;
  color: var(--fg-soft);
  line-height: 1.6;
}
.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.tag {
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 3px 8px;
  border-radius: var(--r-sm);
  background: var(--bg);
  color: var(--muted);
  border: 1px solid var(--border);
}
.card__cta {
  margin-top: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
}
.projects__note {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  margin-top: 36px;
}


/* ===== Footer ===== */
.ft {
  padding: 56px 0 40px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}
.ft__cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 24px 28px;
  background: var(--grad-soft);
  border: 1px solid rgba(91, 108, 255, 0.2);
  border-radius: var(--r-lg);
  margin-bottom: 32px;
}
.ft__cta-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}
.ft__cta-sub {
  font-size: 13px;
  color: var(--fg-soft);
  margin: 0;
}
.ft__cta-btns {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.ft__cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: var(--r-pill);
  background: var(--grad-brand);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  box-shadow: var(--shadow);
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), color var(--t-fast);
  white-space: nowrap;
}
.ft__cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}
.ft__cta-btn--ghost {
  background: var(--bg-soft);
  color: var(--fg);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
}
.ft__cta-btn--ghost:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: var(--bg-soft);
}
.ft__cta-icon { font-size: 16px; }
@media (max-width: 640px) {
  .ft__cta {
    flex-direction: column;
    text-align: center;
    padding: 20px;
    gap: 16px;
  }
  .ft__cta-btns {
    width: 100%;
    flex-direction: column;
  }
  .ft__cta-btn { width: 100%; justify-content: center; }
}

.ft__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.ft__copy { margin: 0; }
.ft__links {
  display: flex;
  align-items: center;
  gap: 10px;
}
.ft__links a {
  color: var(--fg-soft);
  text-decoration: none;
  transition: color var(--t-fast);
}
.ft__links a:hover {
  color: var(--brand);
  text-decoration: underline;
}

.ft__icp {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}
.ft__icp a {
  color: var(--muted);
  text-decoration: none;
}
.ft__icp a:hover { color: var(--fg); text-decoration: underline; }

@media (max-width: 640px) {
  .hero { padding: 56px 0 40px; }
  .card { grid-template-columns: 1fr; }
  .card__icon { width: 56px; height: 56px; }
  .ft__inner { justify-content: center; text-align: center; }
}

/* ===== Stats ===== */
.stats {
  padding: 16px 0 40px;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 24px;
  background: var(--bg-card);
  backdrop-filter: saturate(160%) blur(12px);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}
.stats__item {
  text-align: center;
  padding: 12px 8px;
  border-right: 1px solid var(--border);
}
.stats__item:last-child { border-right: none; }
.stats__num {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
}
.stats__num span {
  font-size: 0.6em;
  margin-left: 2px;
  vertical-align: top;
}
.stats__label {
  margin-top: 6px;
  font-size: 13px;
  color: var(--fg-soft);
  font-weight: 500;
}
@media (max-width: 640px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__item { border-right: none; border-bottom: 1px solid var(--border); padding-bottom: 16px; }
  .stats__item:nth-child(2) { border-right: none; }
  .stats__item:nth-last-child(-n+2) { border-bottom: none; padding-bottom: 12px; }
}

/* ===== Principles ===== */
.principles { padding: 56px 0; }
.prin {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.prin__card {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}
.prin__card:hover {
  transform: translateY(-4px);
  border-color: var(--brand);
  box-shadow: var(--shadow);
}
.prin__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--r-md);
  background: var(--grad-soft);
  display: grid;
  place-items: center;
  font-size: 24px;
  margin-bottom: 14px;
}
.prin__title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}
.prin__desc {
  font-size: 14px;
  color: var(--fg-soft);
  line-height: 1.6;
}

/* ===== Roadmap ===== */
.roadmap { padding: 56px 0; }
.rmap {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
}
.rmap::before {
  content: '';
  position: absolute;
  left: 92px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--brand), var(--accent), transparent);
  opacity: 0.4;
}
.rmap__item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 24px;
  padding: 16px 0;
  position: relative;
}
.rmap__item::before {
  content: '';
  position: absolute;
  left: 87px;
  top: 28px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--brand);
  z-index: 1;
}
.rmap__item--done::before { background: var(--brand); }
.rmap__item--doing::before {
  background: var(--bg);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(163, 113, 247, 0.2);
  animation: pulse 2s ease-in-out infinite;
}
.rmap__item--plan::before {
  border-color: var(--border-strong);
  background: var(--bg);
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(163, 113, 247, 0.2); }
  50% { box-shadow: 0 0 0 8px rgba(163, 113, 247, 0.08); }
}
.rmap__phase {
  text-align: right;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-top: 22px;
  color: var(--muted);
}
.rmap__item--done .rmap__phase { color: var(--brand); }
.rmap__item--doing .rmap__phase { color: var(--accent); }
.rmap__body {
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
}
.rmap__title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}
.rmap__desc {
  font-size: 14px;
  color: var(--fg-soft);
}
@media (max-width: 640px) {
  .rmap::before { left: 12px; }
  .rmap__item { grid-template-columns: 56px 1fr; gap: 8px; }
  .rmap__item::before { left: 7px; top: 26px; }
  .rmap__phase { text-align: left; padding-top: 18px; font-size: 11px; }
}

/* ===== FAQ ===== */
.faq { padding: 56px 0; }
.faq__list {
  display: grid;
  gap: 10px;
  max-width: 800px;
  margin: 0 auto;
}
.faq__item {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  padding: 0;
  overflow: hidden;
  transition: border-color var(--t-fast);
}
.faq__item[open] { border-color: var(--brand); }
.faq__item summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 15px;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--fg);
  user-select: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '+';
  font-size: 22px;
  font-weight: 400;
  color: var(--muted);
  transition: transform var(--t-fast);
  flex-shrink: 0;
}
.faq__item[open] summary::after {
  content: '−';
  color: var(--brand);
}
.faq__item p {
  padding: 0 22px 18px;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-soft);
}

/* ===== Motion (respects prefers-reduced-motion) ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto;
  }
}