/* ═══════════════════════════════════════════════════════════════════════════
   nodox website — styles.css
   Theme: Black × Orange · Minimal · Professional
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Variables & Reset ────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Backgrounds */
  --bg:       #000000;
  --bg-1:     #080808;
  --bg-2:     #0f0f0f;
  --bg-3:     #141414;
  --bg-4:     #1a1a1a;

  /* Borders */
  --border:   #1e1e1e;
  --border-2: #2a2a2a;

  /* Brand orange */
  --orange:        #f97316;
  --orange-light:  #fb923c;
  --orange-dim:    rgba(249, 115, 22, 0.12);
  --orange-glow:   0 0 80px rgba(249, 115, 22, 0.12);

  /* Text */
  --text:   #ffffff;
  --text-2: #a1a1aa;
  --text-3: #80808a;

  /* Semantic */
  --green:  #22c55e;
  --red:    #ef4444;
  --yellow: #f59e0b;
  --blue:   #3b82f6;

  /* Layout */
  --nav-h:     64px;
  --radius:    8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  /* Transitions */
  --t: 0.18s ease;
  --t-slow: 0.35s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 24px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
  border-radius: 3px;
}
:focus:not(:focus-visible) { outline: none; }

/* ── Typography utilities ─────────────────────────────────────────────────── */

.text-orange { color: var(--orange); }
.muted { color: var(--text-3); }

.inline-code {
  font-family: var(--mono);
  font-size: 0.82em;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--orange-light);
  white-space: nowrap;
}

/* ── Layout ───────────────────────────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--wide  { max-width: 1300px; }
.container--narrow { max-width: 800px; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all var(--t);
  white-space: nowrap;
  padding: 10px 20px;
}

.btn--lg { font-size: 0.95rem; padding: 12px 24px; }
.btn--sm { font-size: 0.8rem; padding: 7px 14px; }

.btn--orange {
  background: var(--orange);
  color: #000;
  font-weight: 600;
}
.btn--orange:hover {
  background: var(--orange-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(249,115,22,0.35);
}

.btn--ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border-2);
}
.btn--ghost:hover {
  color: var(--text);
  border-color: var(--border-2);
  background: var(--bg-3);
}

/* ── Copy button ──────────────────────────────────────────────────────────── */

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  color: var(--text-3);
  padding: 4px 8px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg-3);
  transition: all var(--t);
}
.copy-btn:hover { color: var(--orange); border-color: var(--orange); }
.copy-btn.copied { color: var(--green); border-color: var(--green); }

/* ── Navigation ───────────────────────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  border-bottom: 1px solid transparent;
  transition: background var(--t-slow), border-color var(--t-slow), backdrop-filter var(--t-slow);
}

.nav.scrolled {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--border);
}

.nav-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}
.nav-logo-mark {
  color: var(--orange);
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  font-size: 0.875rem;
  color: var(--text-2);
  padding: 6px 12px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color var(--t), background var(--t);
}
.nav-link:hover {
  color: var(--text);
  background: var(--bg-3);
}
.nav-link--external svg { opacity: 0.5; }

.nav-cta { flex-shrink: 0; margin-left: 8px; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-2);
  border-radius: 2px;
  transition: all var(--t);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Section base ─────────────────────────────────────────────────────────── */

.section {
  padding: 112px 0;
  position: relative;
}
.section--alt { background: var(--bg-1); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
}
.section-desc {
  margin-top: 16px;
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Hero ─────────────────────────────────────────────────────────────────── */

.hero {
  padding-top: calc(var(--nav-h) + 80px);
  padding-bottom: 100px;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(249,115,22,0.09) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-2);
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: 99px;
  padding: 6px 14px;
  margin-bottom: 32px;
}
.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 24px;
  max-width: 700px;
}

.hero-sub {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-3);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 32px;
}

.hero-install {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-family: var(--mono);
  font-size: 0.875rem;
  color: var(--text-2);
  margin-bottom: 64px;
}

/* ── Hero Preview (mock UI) ───────────────────────────────────────────────── */

.hero-preview {
  width: 100%;
  max-width: 760px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-2);
  background: var(--bg-2);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6), 0 0 0 1px var(--border);
  text-align: left; /* override hero section's text-align: center */
}

.preview-bar {
  height: 44px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
}
.preview-dots { display: flex; gap: 7px; }
.dot {
  width: 12px; height: 12px; border-radius: 50%;
}
.dot--red    { background: #ff5f57; }
.dot--yellow { background: #febc2e; }
.dot--green  { background: #28c840; }
.preview-url {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-3);
  margin-left: 8px;
}

.preview-body {
  display: flex;
  min-height: 260px;
}

.preview-sidebar {
  width: 200px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.preview-logo {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--orange);
}
.preview-stat {
  font-size: 0.72rem;
  color: var(--text-3);
  font-family: var(--mono);
}
.preview-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 4px;
}
.method-pill {
  font-size: 0.65rem;
  font-weight: 600;
  font-family: var(--mono);
  padding: 2px 7px;
  border-radius: 4px;
}
.method--get  { background: rgba(34,197,94,0.15);  color: #22c55e; }
.method--post { background: rgba(249,115,22,0.15); color: var(--orange); }
.method--put  { background: rgba(59,130,246,0.15); color: #3b82f6; }
.method--del  { background: rgba(239,68,68,0.15);  color: #ef4444; }

.preview-routes {
  flex: 1;
  padding: 12px 0;
}
.preview-route {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px 20px;
  transition: background var(--t);
}
.preview-route:hover { background: var(--bg-3); }
.preview-route--active { background: rgba(249,115,22,0.06); }

.route-method {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  width: 48px;
  text-align: center;
  padding: 2px 5px;
  border-radius: 4px;
}
.route-method.get  { background: rgba(34,197,94,0.12);  color: #22c55e; }
.route-method.post { background: rgba(249,115,22,0.12); color: var(--orange); }
.route-method.put  { background: rgba(59,130,246,0.12); color: #3b82f6; }
.route-method.del  { background: rgba(239,68,68,0.12);  color: #ef4444; }

.route-path {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text);
  flex: 1;
}

.confidence {
  font-size: 0.65rem;
  font-weight: 600;
  font-family: var(--mono);
  padding: 2px 8px;
  border-radius: 99px;
}
.confidence.confirmed { background: rgba(249,115,22,0.15); color: var(--orange); }
.confidence.inferred  { background: rgba(59,130,246,0.15); color: #60a5fa; }
.confidence.observed  { background: rgba(34,197,94,0.12);  color: #4ade80; }
.confidence.none      { color: var(--text-3); }

/* ── Preview view tabs ────────────────────────────────────────────────────── */

.preview-view-tabs {
  display: flex;
  margin-left: auto;
  gap: 2px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 2px;
}

.preview-view-tab {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-3);
  background: none;
  border: none;
  padding: 4px 11px;
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--font-ui);
  transition: color var(--t), background var(--t);
  line-height: 1;
}
.preview-view-tab:hover { color: var(--text-2); background: var(--bg-3); }
.preview-view-tab--active { color: var(--text); background: var(--bg-3); }

.preview-view { display: none; }
.preview-view--active { display: block; }

/* ── Playground preview ───────────────────────────────────────────────────── */

.pg-preview {
  display: flex;
  flex-direction: column;
  min-height: 260px;
}

.pg-url-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-3);
}

.pg-method-badge {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  flex-shrink: 0;
}
.pg-method-badge.post { background: rgba(249,115,22,0.15); color: var(--orange); }
.pg-method-badge.get  { background: rgba(34,197,94,0.15);  color: #22c55e; }

.pg-url-text {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text);
  flex: 1;
  text-align: left;
}

.pg-send-btn {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 14px;
  background: var(--orange);
  color: #0a0a0a;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-ui);
  flex-shrink: 0;
  transition: opacity 0.2s;
}
.pg-send-btn--loading {
  opacity: 0.6;
  cursor: not-allowed;
}

.pg-content {
  display: grid;
  grid-template-columns: 1fr;
  flex: 1;
  min-height: 0;
  transition: grid-template-columns 0.3s ease;
}
.pg-content--responded {
  grid-template-columns: 1fr 1fr;
}

.pg-response--reveal {
  animation: fadeInUp 0.3s ease forwards;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.pg-left {
  padding: 14px 16px;
  border-right: 1px solid var(--border);
}

.pg-section-title {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-3);
  margin-bottom: 8px;
}

.pg-code {
  font-family: var(--mono);
  font-size: 0.71rem;
  color: var(--text-2);
  line-height: 1.65;
  white-space: pre;
  text-align: left;
}

.pg-kv {
  display: flex;
  gap: 5px;
  font-family: var(--mono);
  font-size: 0.71rem;
  align-items: center;
}
.pg-kv-key { color: var(--orange-light); }
.pg-kv-sep { color: var(--text-3); }
.pg-kv-val { color: var(--text-2); }

.pg-response-panel {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pg-resp-header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pg-resp-label {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-3);
}

.pg-status-badge {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: #4ade80;
  background: rgba(74,222,128,0.12);
  border: 1px solid rgba(74,222,128,0.2);
  padding: 1px 7px;
  border-radius: 4px;
}

.pg-timing {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-3);
}

.pg-resp-body {
  font-family: var(--mono);
  font-size: 0.71rem;
  color: var(--text-2);
  line-height: 1.65;
  white-space: pre;
  text-align: left;
}

/* ── Chain builder preview ────────────────────────────────────────────────── */

.chain-preview {
  display: flex;
  min-height: 260px;
}

/* Left picker panel — matches chain-builder__picker */
.chain-picker-panel {
  width: 170px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chain-picker-title {
  padding: 12px 14px 8px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-3);
  flex-shrink: 0;
}

.chain-picker-row-p {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  cursor: default;
  transition: background 0.1s;
  text-align: left;
}
.chain-picker-row-p:hover { background: #1a1a1a; }

.chain-picker-badge-p {
  font-family: var(--mono);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid;
  flex-shrink: 0;
}

.chain-picker-path-p {
  font-family: var(--mono);
  font-size: 0.67rem;
  color: var(--text-2);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: left;
}

.chain-picker-add-p {
  font-size: 0.9rem;
  color: var(--text-3);
  flex-shrink: 0;
  line-height: 1;
}
.chain-picker-add-p--done {
  color: #4ade80;
  font-size: 0.78rem;
}

/* Canvas — matches ReactFlow canvas */
.chain-canvas-p {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #080808;
  background-image: radial-gradient(circle, #1a1a1a 1px, transparent 1px);
  background-size: 20px 20px;
  padding: 20px;
  overflow: hidden;
  gap: 0;
}

/* Node — matches .chain-node exactly */
.chain-node-p {
  position: relative;
  background: #141414;
  border: 1px solid #2a2a2a;
  border-radius: 6px;
  padding: 10px 14px;
  min-width: 150px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
}

/* Method badge — matches .chain-node__badge */
.chain-badge-p {
  font-family: var(--mono);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 1px 6px;
  border-radius: 3px;
  align-self: flex-start;
}

/* Path text — matches .chain-node__path */
.chain-path-p {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: #e8e8e8;
  text-align: left;
  word-break: break-all;
}

/* Handles — matches .chain-handle */
.chain-handle-p {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #0e0e0e;
  border: 2px solid #3f3f3f;
  top: 50%;
  transform: translateY(-50%);
}
.chain-handle-p--in  { left: -5px; }
.chain-handle-p--out { right: -5px; }

/* Animated SVG edge — replicates React Flow animated:true edge */
.chain-edge-svg {
  flex-shrink: 0;
  overflow: visible;
}

.chain-edge-animated {
  animation: edge-dash 0.65s linear infinite;
}

@keyframes edge-dash {
  from { stroke-dashoffset: 10; }
  to   { stroke-dashoffset: 0; }
}

/* ── Chain canvas actions + sim panel ────────────────────────────────────── */

.chain-canvas-actions-p {
  position: absolute;
  top: 10px;
  right: 12px;
  display: flex;
  gap: 6px;
  z-index: 2;
}

.chain-sim-btn-p {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  background: rgba(255,255,255,0.06);
  color: var(--text-2);
  border: 1px solid var(--border-2);
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-ui);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.chain-sim-btn-p:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text);
  border-color: var(--border-3, #444);
}
.chain-sim-btn-p--active {
  background: rgba(74,222,128,0.1);
  color: #4ade80;
  border-color: rgba(74,222,128,0.3);
}

.chain-sim-panel-p {
  width: 220px;
  flex-shrink: 0;
  border-left: 1px solid var(--border);
  background: #0c0c0c;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: fadeInUp 0.2s ease;
}

.chain-sim-header-p {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.chain-sim-title-p {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-3);
}

.chain-sim-header-actions-p {
  display: flex;
  align-items: center;
  gap: 6px;
}

.chain-sim-run-btn-p {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 3px 8px;
  background: rgba(74,222,128,0.1);
  color: #4ade80;
  border: 1px solid rgba(74,222,128,0.25);
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--font-ui);
  transition: background 0.15s;
}
.chain-sim-run-btn-p:hover { background: rgba(74,222,128,0.18); }
.chain-sim-run-btn-p:disabled { opacity: 0.5; cursor: default; }

.chain-sim-close-p {
  font-size: 0.7rem;
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  font-family: var(--font-ui);
}
.chain-sim-close-p:hover { color: var(--text); background: rgba(255,255,255,0.07); }

.chain-sim-steps-p {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.chain-sim-step-p {
  border-bottom: 1px solid var(--border);
}

.chain-sim-step-header-p {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  cursor: pointer;
  user-select: none;
}
.chain-sim-step-header-p:hover { background: rgba(255,255,255,0.03); }

.chain-sim-step-num-p {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-3);
  width: 12px;
  flex-shrink: 0;
}

.chain-sim-step-badge-p {
  font-size: 0.6rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid;
  font-family: var(--mono);
  flex-shrink: 0;
}

.chain-sim-step-path-p {
  font-size: 0.68rem;
  color: var(--text-2);
  font-family: var(--mono);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chain-sim-step-code-p {
  font-size: 0.65rem;
  font-weight: 700;
  font-family: var(--mono);
  flex-shrink: 0;
}
.chain-sim-step-code-p--ok { color: #4ade80; }
.chain-sim-step-code-p--err { color: #f87171; }

.chain-sim-step-chevron-p {
  font-size: 0.6rem;
  color: var(--text-3);
  flex-shrink: 0;
  transition: transform 0.15s;
}
.chain-sim-step-p--open .chain-sim-step-chevron-p { transform: rotate(90deg); }

.chain-sim-step-body-p {
  padding: 0 10px 10px;
  animation: fadeInUp 0.15s ease;
}

.chain-sim-result-p {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--text-2);
  line-height: 1.6;
  white-space: pre;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px;
  overflow-x: auto;
  margin: 0;
}

.chain-sim-step-p--done .chain-sim-step-header-p {
  background: rgba(74,222,128,0.04);
}

.chain-sim-footer-p {
  padding: 8px 10px;
  border-top: 1px solid var(--border);
  font-size: 0.62rem;
  flex-shrink: 0;
}

/* ── Why nodox ────────────────────────────────────────────────────────────── */

.why-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 16px;
}

.why-col {
  border-radius: var(--radius-lg);
  padding: 28px 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.why-col--old {
  background: rgba(239,68,68,0.03);
  border: 1px solid rgba(239,68,68,0.12);
}

.why-col--nodox {
  background: rgba(249,115,22,0.03);
  border: 1px solid rgba(249,115,22,0.15);
}

.why-col-header { margin-bottom: 2px; }

.why-col-tag {
  font-size: 0.68rem;
  font-weight: 700;
  font-family: var(--mono);
  padding: 3px 10px;
  border-radius: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.why-col-tag--old {
  background: rgba(239,68,68,0.12);
  color: #f87171;
}

.why-col-tag--nodox {
  background: rgba(249,115,22,0.12);
  color: var(--orange);
}

.why-point {
  display: flex;
  gap: 13px;
}

.why-point-x {
  font-size: 0.78rem;
  font-weight: 700;
  color: #f87171;
  flex-shrink: 0;
  width: 16px;
  margin-top: 2px;
  font-family: var(--mono);
}

.why-point-check {
  font-size: 0.78rem;
  font-weight: 700;
  color: #4ade80;
  flex-shrink: 0;
  width: 16px;
  margin-top: 2px;
  font-family: var(--mono);
}

.why-point-body {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.why-point-body strong {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  display: block;
}

.why-point-body p {
  font-size: 0.825rem;
  color: var(--text-2);
  line-height: 1.65;
  margin: 0;
}

/* ── First-to block ───────────────────────────────────────────────────────── */

.first-to-block {
  margin-top: 48px;
  padding: 36px 40px;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-xl);
}

.first-to-label {
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--orange);
  margin-bottom: 28px;
}

.first-to-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 48px;
}

.first-to-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.first-to-num {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--orange);
  opacity: 0.7;
  flex-shrink: 0;
  margin-top: 2px;
  letter-spacing: 0.04em;
}

.first-to-item > span:last-child {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ── Features ─────────────────────────────────────────────────────────────── */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color var(--t), background var(--t), transform var(--t);
}
.feature-card:hover {
  border-color: var(--border-2);
  background: var(--bg-3);
  transform: translateY(-2px);
}

.feature-icon {
  width: 40px;
  height: 40px;
  background: var(--orange-dim);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  margin-bottom: 18px;
}

.feature-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.65;
}

/* ── Quick Start ──────────────────────────────────────────────────────────── */

.steps-row {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 32px;
}

.step-num-card {
  flex-shrink: 0;
  width: 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding-top: 12px;
}
.step-n {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--orange-dim);
  border: 1px solid var(--orange);
  color: var(--orange);
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-lbl {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

.step-text-card {
  flex: 1;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.65;
}
.step-text-card strong { color: var(--text); }

/* Tabs */
.tabs-block { flex: 1; min-width: 0; }

.tabs-header {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: -1px;
}

.tab-btn {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-3);
  padding: 10px 16px;
  border-radius: var(--radius) var(--radius) 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  transition: all var(--t);
  position: relative;
  bottom: -1px;
}
.tab-btn:hover { color: var(--text-2); }
.tab-btn--active {
  color: var(--orange);
  background: var(--bg-2);
  border-color: var(--border);
  border-bottom: 1px solid var(--bg-2);
}

.tab-panel { display: none; }
.tab-panel--active { display: block; }

/* ── Code blocks ──────────────────────────────────────────────────────────── */

.code-block {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  flex: 1;
  min-width: 0;
}
.code-block.code-block--sm { font-size: 0.82rem; }

/* When inside tabs, no border-radius on top-left */
.tab-panel .code-block {
  border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}
.code-lang {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
}

.code-block pre {
  margin: 0;
  overflow-x: auto;
}

.code-block pre code {
  font-family: var(--mono);
  font-size: 0.875rem;
  line-height: 1.7;
  padding: 20px 20px;
  display: block;
}

.code-block.code-block--sm pre code {
  font-size: 0.8rem;
  padding: 16px;
}

/* Override hljs background */
.hljs { background: var(--bg-2) !important; }

/* ── Documentation ────────────────────────────────────────────────────────── */

.docs-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  align-items: start;
}

.docs-sidebar { position: sticky; top: calc(var(--nav-h) + 24px); }
.docs-sidebar-inner {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.docs-sidebar-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
  padding: 0 8px;
}

.docs-nav { display: flex; flex-direction: column; gap: 2px; }
.docs-nav-link {
  font-size: 0.85rem;
  color: var(--text-2);
  padding: 7px 8px;
  border-radius: 6px;
  transition: all var(--t);
  display: block;
}
.docs-nav-link:hover { color: var(--text); background: var(--bg-3); }
.docs-nav-link.active { color: var(--orange); background: var(--orange-dim); }

.doc-section {
  margin-bottom: 72px;
  scroll-margin-top: calc(var(--nav-h) + 32px);
}
.doc-section:last-child { margin-bottom: 0; }

.doc-h2 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.doc-h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-top: 28px;
  margin-bottom: 14px;
}

.doc-p {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 16px;
}
.doc-p a { color: var(--orange); }
.doc-p a:hover { text-decoration: underline; }

.doc-callout {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  line-height: 1.65;
  margin: 20px 0;
  border-left: 3px solid;
}
.doc-callout strong { display: block; margin-bottom: 2px; }
.doc-callout--info   { background: rgba(59,130,246,0.08);  border-color: #3b82f6; color: var(--text-2); }
.doc-callout--warn   { background: rgba(245,158,11,0.08);  border-color: var(--yellow); color: var(--text-2); }
.doc-callout--danger { background: rgba(239,68,68,0.08);   border-color: var(--red); color: var(--text-2); }

.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin: 20px 0;
}
.doc-table th {
  text-align: left;
  padding: 10px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  border-bottom: 1px solid var(--border-2);
}
.doc-table td {
  padding: 12px 14px;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.6;
}
.doc-table tr:last-child td { border-bottom: none; }
.doc-table td:first-child code,
.doc-table td code { color: var(--orange-light); font-family: var(--mono); font-size: 0.85em; }

.td-check {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  font-family: var(--mono);
  padding: 1px 6px;
  border-radius: 3px;
  background: rgba(74,222,128,0.10);
  color: #4ade80;
  border: 1px solid rgba(74,222,128,0.2);
  margin-right: 5px;
  letter-spacing: 0.03em;
  vertical-align: middle;
}
.td-caution {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  font-family: var(--mono);
  padding: 1px 6px;
  border-radius: 3px;
  background: rgba(251,191,36,0.10);
  color: #fbbf24;
  border: 1px solid rgba(251,191,36,0.2);
  margin-right: 5px;
  letter-spacing: 0.03em;
  vertical-align: middle;
}

/* ── Confidence badge (in table) ──────────────────────────────────────────── */

.badge-confidence {
  font-size: 0.65rem;
  font-weight: 600;
  font-family: var(--mono);
  padding: 2px 8px;
  border-radius: 99px;
}
.badge-confidence.confirmed { background: rgba(249,115,22,0.15); color: var(--orange); }
.badge-confidence.inferred  { background: rgba(59,130,246,0.15); color: #60a5fa; }
.badge-confidence.observed  { background: rgba(34,197,94,0.12);  color: #4ade80; }

/* ── Common Issues ────────────────────────────────────────────────────────── */

/* ── Issues sidebar layout ────────────────────────────────────────────────── */

.issues-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 440px;
}

.issues-sidebar {
  border-right: 1px solid var(--border);
  overflow-y: auto;
  background: rgba(255,255,255,0.015);
  display: flex;
  flex-direction: column;
}

.issues-sidebar-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  padding: 11px 14px;
  background: none;
  border: none;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  text-align: left;
  color: var(--text-2);
  transition: background 0.15s, color 0.15s, border-left 0.15s;
  border-left: 2px solid transparent;
  font-family: var(--font-ui);
}
.issues-sidebar-item:last-child { border-bottom: none; }
.issues-sidebar-item:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text);
}
.issues-sidebar-item--active {
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border-left-color: var(--orange);
}

.issue-icon-sm {
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--text-3);
  display: flex;
}
.issues-sidebar-item--active .issue-icon-sm { color: var(--orange); }

.issues-sidebar-title {
  font-size: 0.78rem;
  line-height: 1.45;
  font-weight: 500;
}

.issues-detail {
  padding: 28px 32px;
  overflow-y: auto;
}

.issue-detail-panel {
  display: none;
  flex-direction: column;
  gap: 14px;
  font-size: 0.84rem;
  color: var(--text-2);
  line-height: 1.7;
  animation: fadeInUp 0.2s ease;
}
.issue-detail-panel--active { display: flex; }
.issue-detail-panel strong { color: var(--text); font-weight: 600; }
.issue-detail-panel .code-block { margin-top: 4px; }

.issue-detail-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 4px;
  line-height: 1.4;
}

/* ── Warnings ─────────────────────────────────────────────────────────────── */

.warnings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.warning-card {
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  border: 1px solid;
}

.warning--danger {
  background: rgba(239, 68, 68, 0.05);
  border-color: rgba(239, 68, 68, 0.3);
}
.warning--orange {
  background: rgba(249, 115, 22, 0.05);
  border-color: rgba(249, 115, 22, 0.25);
}
.warning--info {
  background: rgba(59, 130, 246, 0.05);
  border-color: rgba(59, 130, 246, 0.2);
}

.warning-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  color: currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
}
.warning-icon svg { display: block; }

.warning-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.7;
}

.warning-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

/* ── FAQ ──────────────────────────────────────────────────────────────────── */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-2);
  overflow: hidden;
  transition: border-color var(--t);
}
.faq-item:hover { border-color: var(--border-2); }
.faq-item.open { border-color: var(--border-2); }

.faq-question {
  width: 100%;
  text-align: left;
  padding: 18px 20px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color var(--t);
}
.faq-question:hover { color: var(--orange); }
.faq-item.open .faq-question { color: var(--orange); }

.faq-question::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--text-3);
  flex-shrink: 0;
  transition: transform var(--t), color var(--t);
  line-height: 1;
}
.faq-item.open .faq-question::after {
  transform: rotate(45deg);
  color: var(--orange);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.2s ease;
  padding: 0 20px;
}
.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 20px 20px;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 12px;
}
.faq-answer p:last-child { margin-bottom: 0; }
.faq-answer code { font-family: var(--mono); color: var(--orange-light); font-size: 0.85em; }
.faq-answer strong { color: var(--text); }

/* ── Footer ───────────────────────────────────────────────────────────────── */

.footer {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  padding: 64px 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  display: block;
  margin-bottom: 12px;
}
.footer-logo span { color: var(--orange); }

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-3);
  line-height: 1.65;
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col { display: flex; flex-direction: column; gap: 10px; }

.footer-col-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 4px;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-2);
  transition: color var(--t);
}
.footer-link:hover { color: var(--orange); }

.footer-install {
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-2);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-3);
}

/* ── Scroll reveal animations ─────────────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}
.reveal.visible {
  opacity: 1;
  transform: none;
  will-change: auto;
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .docs-layout { grid-template-columns: 200px 1fr; gap: 32px; }
  .issues-layout { grid-template-columns: 200px 1fr; }
  .warnings-grid { grid-template-columns: 1fr; }
  .first-to-items { grid-template-columns: 1fr; gap: 18px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  /* ── Nav ── */
  .nav-links { display: none; }
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--bg-1);
    border-bottom: 1px solid var(--border);
    padding: 16px 20px 24px;
    gap: 4px;
    z-index: 99;
  }
  .nav-links.mobile-open .nav-link { padding: 12px 16px; border-radius: 8px; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  /* ── Hero ── */
  .hero-preview { display: none; }
  .hero-install { margin-bottom: 32px; }

  /* ── Features ── */
  .features-grid { grid-template-columns: 1fr; }

  /* ── Quick Start ── */
  .steps-row { flex-direction: column; gap: 16px; }
  .step-num-card { flex-direction: row; width: auto; }
  .tabs-header {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
    scrollbar-width: none;
  }
  .tabs-header::-webkit-scrollbar { display: none; }
  .tab-btn { flex-shrink: 0; }

  /* ── Docs ── */
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { position: static; display: block; }
  .docs-sidebar-inner { padding: 12px 16px; }
  .docs-sidebar-title { display: none; }
  .docs-nav {
    flex-direction: row;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
    gap: 2px;
    scrollbar-width: none;
    padding-bottom: 2px;
  }
  .docs-nav::-webkit-scrollbar { display: none; }
  .docs-nav-link {
    white-space: nowrap;
    flex-shrink: 0;
    font-size: 0.8rem;
    padding: 6px 10px;
  }

  /* Tables: horizontal scroll */
  .doc-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }
  .doc-table td,
  .doc-table th { white-space: normal; min-width: 100px; }
  .doc-table td:first-child { min-width: 120px; }

  /* ── Footer ── */
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-links-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  /* ── Hero preview / why / pg ── */
  .preview-sidebar { display: none; }
  .preview-view-tabs { display: none; }
  .why-compare { grid-template-columns: 1fr; }
  .first-to-items { grid-template-columns: 1fr; }
  .first-to-block { padding: 24px 20px; }
  .pg-content { grid-template-columns: 1fr; }
  .pg-response-panel { border-top: 1px solid var(--border); }
  .chain-picker-panel { display: none; }

  /* ── Issues: sidebar becomes horizontal scroll strip ── */
  .issues-layout {
    display: flex;
    flex-direction: column;
    min-height: unset;
  }
  .issues-sidebar {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-right: none;
    border-bottom: 1px solid var(--border);
    scrollbar-width: none;
    min-height: unset;
  }
  .issues-sidebar::-webkit-scrollbar { display: none; }
  .issues-sidebar-item {
    flex-shrink: 0;
    min-width: 130px;
    max-width: 170px;
    flex-direction: column;
    border-bottom: 2px solid transparent;
    border-right: 1px solid var(--border);
    border-left: none !important;
    border-left-width: 0 !important;
  }
  .issues-sidebar-item:last-child { border-right: none; }
  .issues-sidebar-item--active {
    border-bottom: 2px solid var(--orange) !important;
    border-left: none !important;
    border-left-color: transparent !important;
  }
  .issue-icon-sm { display: none; }
  .issues-detail { padding: 20px 16px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .section { padding: 56px 0; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .hero-install { font-size: 0.8rem; }
  .footer-links-grid { grid-template-columns: 1fr; }
  .section-header { margin-bottom: 40px; }
  .warnings-grid { gap: 12px; }
  .warning-card { padding: 18px; }
  .why-col { padding: 20px; }
  .first-to-block { padding: 20px 16px; }
}