/* ?? ARQVIS Landing ? editorial + futuristic ?? */
:root {
  --bg-deep: #0a0e1a;
  --bg: #0f172a;
  --surface: #131c2e;
  --surface-solid: #131c2e;
  --surface-elevated: rgba(30, 41, 59, 0.55);
  --surface-2: #1a2438;
  --surface-light: #f4f7fb;
  --text: #f1f5f9;
  --text-dark: #0a0e1a;
  --muted: #94a3b8;
  --muted-dark: rgba(10, 14, 26, 0.65);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --cyan: #22d3ee;
  --cyan-soft: #67e8f9;
  --teal: #06b6d4;
  --indigo: #6366f1;
  --navy: #023e8a;
  --blue: #0077b6;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --font: "Satoshi", "DM Sans", "Segoe UI", system-ui, sans-serif;
  --display: "Anton", Impact, sans-serif;
  --grid-line: rgba(148, 163, 184, 0.12);
  --glow-cyan: 0 0 28px rgba(34, 211, 238, 0.28);
  --glow-indigo: 0 0 32px rgba(99, 102, 241, 0.15);
  --glass-blur: blur(16px);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --accent-gradient: linear-gradient(135deg, #22d3ee 0%, #6366f1 55%, #06b6d4 100%);
  --header-accent: linear-gradient(90deg, #06b6d4 0%, #6366f1 50%, #22d3ee 100%);
  --scrollbar-size: 8px;
  --scrollbar-track: rgba(10, 14, 26, 0.4);
  --scrollbar-thumb: rgba(148, 163, 184, 0.22);
  --scrollbar-thumb-hover: rgba(34, 211, 238, 0.55);
  --scrollbar-thumb-active: rgba(99, 102, 241, 0.65);
}

* { box-sizing: border-box; }

* {
  scrollbar-width: thin;
  scrollbar-color: rgba(34, 211, 238, 0.35) transparent;
}
*::-webkit-scrollbar { width: var(--scrollbar-size); height: var(--scrollbar-size); }
*::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.45), rgba(99, 102, 241, 0.35));
  border-radius: 999px;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: clip;
  font-weight: 400;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding-left: max(24px, env(safe-area-inset-left, 0px));
  padding-right: max(24px, env(safe-area-inset-right, 0px));
}

/* ?? Typography (scoped to landing display elements ? not global h1/h2/h3) ?? */
.hero h1,
.section-title,
.display-sm,
.display-md,
.btn-anton,
.logo,
.how-num,
.how-steps h3,
.price,
.contrast-eyebrow,
.contrast-half h2,
.bento-card h3,
.cta-inner h2,
.plan h3 {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  line-height: 0.92;
}

.section-eyebrow {
  font-family: var(--font);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 12px;
  text-align: center;
}
.section-eyebrow.left { text-align: left; }

.section-title {
  font-family: var(--display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  text-transform: uppercase;
  line-height: 0.9;
  letter-spacing: 0.01em;
  text-align: center;
  margin: 0 0 48px;
  font-weight: 400;
}

.display-sm {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  margin: 0 0 16px;
}
.display-md {
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  margin: 0;
}

/* Resaltado tipográfico (span.hl), no afecta a etiquetas h1 */
.hl {
  position: relative;
  display: inline-block;
  z-index: -1;
  color: #ffffff;
}
.hl::before {
  content: "";
  position: absolute;
  inset: 0.08em -0.12em 0.02em;
  background: var(--cyan);
  transform: rotate(-5deg);
  z-index: -1;
  border-radius: 2px;
}

/* ?? Header ?? */
.top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 80px;
  display: flex;
  align-items: center;
  background: rgba(10, 14, 26, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
body.nav-open .top {
  z-index: 130;
  background: rgba(10, 14, 26, 0.98);
}
.top-inner {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 80px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.65rem;
  color: var(--text);
  text-decoration: none;
  text-transform: uppercase;
  line-height: 1;
  transition: color 0.25s var(--ease), text-shadow 0.25s var(--ease);
}
.logo-dot { color: var(--cyan); }
.logo-beta {
  display: inline-block;
  margin-left: 2px;
  padding: 3px 7px;
  border: 1px solid rgba(34, 211, 238, 0.45);
  border-radius: 4px;
  font-family: "Satoshi", system-ui, sans-serif;
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  line-height: 1.2;
  vertical-align: middle;
}
.logo:hover {
  color: #fff;
  text-shadow: 0 0 18px rgba(34, 211, 238, 0.55);
}
.logo:hover .logo-beta {
  border-color: rgba(34, 211, 238, 0.7);
  color: #67e8f9;
}
.top-nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
  margin-right: 8px;
  align-items: center;
}
.top-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.2s;
}
.top-nav a:hover { color: var(--cyan); }
.nav-login {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  margin-right: 4px;
  transition: color 0.2s;
}
.nav-login:hover { color: var(--text); }
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  position: relative;
  transition: transform 0.2s var(--ease), opacity 0.2s;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}
.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }
body.nav-open .nav-toggle-bars { background: transparent; }
body.nav-open .nav-toggle-bars::before { top: 0; transform: rotate(45deg); }
body.nav-open .nav-toggle-bars::after { top: 0; transform: rotate(-45deg); }
body.nav-open { overflow: hidden; }

/* ?? Buttons ?? */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  font-family: var(--font);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.btn:active { transform: scale(0.98); }
.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-anton {
  font-family: var(--display);
  text-transform: uppercase;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  line-height: 1;
  padding: 18px 36px;
}
.btn-accent {
  background: var(--cyan);
  color: var(--text-dark);
  box-shadow: var(--glow-cyan);
}
.btn-accent:hover {
  background: var(--cyan-soft);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 36px rgba(34, 211, 238, 0.4);
}
.btn-dark {
  background: var(--bg-deep);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.08);
}
.btn-dark:hover {
  background: #000;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}
.btn-ghost {
  border-color: var(--border-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}
.btn-ghost:hover {
  border-color: rgba(34, 211, 238, 0.45);
  color: var(--cyan);
}
.btn-primary {
  background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  color: #fff;
  border-color: rgba(34, 211, 238, 0.3);
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.25);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #22d3ee 0%, #06b6d4 100%);
  box-shadow: var(--glow-cyan);
}
.btn-sm { padding: 7px 14px; font-size: 0.82rem; }
.header-cta {
  padding: 10px 22px;
  flex-shrink: 0;
}
.eyebrow {
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ?? Hero ?? */
.hero {
  position: relative;
  padding: 140px 0 72px;
  overflow: hidden;
  text-align: center;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 20%, transparent 75%);
  pointer-events: none;
}
.hero-grid-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 50% 20%, rgba(34, 211, 238, 0.12), transparent),
    radial-gradient(ellipse 40% 30% at 80% 60%, rgba(99, 102, 241, 0.1), transparent);
}
.hero-inner { position: relative; z-index: 1; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 24px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.6);
}
.badge-beta {
  color: var(--cyan);
  letter-spacing: 0.14em;
}
.badge-beta::after {
  content: "·";
  margin-left: 8px;
  color: var(--muted);
}

.hero h1 {
  font-size: clamp(2.8rem, 8vw, 5.75rem);
  margin: 0 auto 20px;
  max-width: 14ch;
  color: #fff;
}

.lead {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 36rem;
  margin: 0 auto;
  line-height: 1.65;
  font-weight: 500;
}
.lead strong { color: var(--cyan); font-weight: 700; }

.hero-cta {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Browser mockup */
.hero-mock {
  margin-top: 56px;
  perspective: 1200px;
}
.browser-frame {
  max-width: 1040px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface);
  box-shadow:
    0 40px 80px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(34, 211, 238, 0.06),
    0 0 60px rgba(34, 211, 238, 0.08);
  transform: rotateX(4deg);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.browser-frame:hover {
  transform: rotateX(0deg) translateY(-4px);
  box-shadow:
    0 48px 90px rgba(0, 0, 0, 0.5),
    0 0 80px rgba(34, 211, 238, 0.12);
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.35);
  border-bottom: 1px solid var(--border);
}
.tl {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.tl-r { background: #ff5f57; }
.tl-y { background: #febc2e; }
.tl-g { background: #28c840; }
.browser-title {
  flex: 1;
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 500;
}
.browser-body {
  display: block;
  background: #0b1220;
  line-height: 0;
}
.browser-app-shot {
  display: block;
  width: 100%;
  height: auto;
}

/* ?? Problem / Solution ?? */
.contrast-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 420px;
}
.contrast-half {
  padding: clamp(40px, 6vw, 72px) clamp(24px, 5vw, 64px);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.contrast-half.problem {
  background: var(--bg-deep);
  color: #fff;
}
.contrast-half.solution {
  background: var(--surface);
  border-left: 3px solid var(--cyan);
  box-shadow: inset 0 0 60px rgba(34, 211, 238, 0.04);
}
.contrast-eyebrow {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0 0 16px;
}
.contrast-eyebrow.accent { color: var(--cyan); }
.contrast-half h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  margin: 0 0 28px;
  max-width: 12ch;
}
.contrast-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contrast-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.4;
}
.solution .contrast-list li { color: var(--text); }
.x {
  color: #f87171;
  font-weight: 700;
  flex-shrink: 0;
}
.check {
  color: var(--cyan);
  font-weight: 700;
  flex-shrink: 0;
}

/* ?? Proof stats ?? */
.proof-stats {
  padding: 72px 24px 40px;
}
.proof-stats .section-title {
  margin-bottom: 40px;
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 32px;
  margin: 0 auto;
  max-width: 960px;
}
.proof-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid var(--border-strong);
}
.proof-figure {
  font-family: var(--display);
  font-size: clamp(3rem, 6vw, 4.5rem);
  line-height: 0.9;
  letter-spacing: 0.01em;
  color: var(--cyan);
  margin: 12px 0 0;
  text-transform: uppercase;
}
.proof-label {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.4;
}
.proof-src {
  margin-top: auto;
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  line-height: 1.35;
}
.proof-src:hover { color: var(--cyan); }
.proof-note {
  margin: 28px auto 0;
  max-width: 36rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

/* ?? Bento ?? */
.bento-section {
  padding: 88px 24px;
}
.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(220px, auto);
  gap: 16px;
}
.bento-card {
  background: var(--cyan);
  color: var(--text-dark);
  border: 1px solid rgba(34, 211, 238, 0.45);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  overflow: hidden;
}
.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(34, 211, 238, 0.25);
}
.bento-card.dark {
  background: var(--bg);
  color: var(--text);
  border-color: var(--border);
}
.bento-card.span-2 { grid-column: span 2; }
.bento-card h3 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin: 0 0 12px;
}
.bento-card p {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1.55;
  color: rgba(10, 14, 26, 0.72);
  opacity: 1;
}
.bento-card.dark p { color: var(--muted); opacity: 1; }

.bento-ui {
  margin-top: auto;
  padding-top: 28px;
  display: flex;
  gap: 10px;
}
.pulse-block {
  flex: 1;
  height: 64px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.35), rgba(99, 102, 241, 0.25));
  animation: pulse-block 2.4s ease-in-out infinite;
}
.pulse-block.delay { animation-delay: 0.4s; opacity: 0.7; }
@keyframes pulse-block {
  0%, 100% { opacity: 0.55; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.06); }
}

.bento-code {
  margin-top: auto;
  padding: 14px;
  background: var(--bg-deep);
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--cyan);
  font-size: 0.78rem;
  line-height: 1.6;
  overflow: auto;
}
.bento-code code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.avatar-stack {
  margin-top: auto;
  padding-top: 24px;
  display: flex;
  align-items: center;
}
.avatar-stack span {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid #fff;
  margin-left: -10px;
  background: linear-gradient(135deg, #22d3ee, #6366f1);
  filter: grayscale(0.3);
}
.avatar-stack span:first-child { margin-left: 0; background: linear-gradient(135deg, #06b6d4, #22d3ee); }
.avatar-stack span:nth-child(2) { background: linear-gradient(135deg, #6366f1, #a78bfa); }
.avatar-stack em {
  margin-left: 12px;
  font-style: normal;
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0.7;
}

/* ?? MCP ?? */
.mcp-highlight {
  padding: 72px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-top-color: rgba(34, 211, 238, 0.35);
  border-top-width: 3px;
}
.mcp-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.mcp-copy,
.mcp-visual {
  min-width: 0;
}
.mcp-copy .display-sm {
  font-family: var(--display);
  text-transform: uppercase;
  line-height: 0.92;
}
.mcp-copy > p:not(.section-eyebrow) {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 20px;
  max-width: 36rem;
}
.mcp-stat a {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.mcp-stat a:hover { color: var(--cyan); }
.mcp-copy .hero-cta {
  justify-content: flex-start;
  margin-top: 0;
}
.mcp-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mcp-list li {
  font-size: 0.95rem;
  color: var(--text);
  padding-left: 1.25rem;
  position: relative;
}
.mcp-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}
.mcp-terminal {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #060a14;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}
.mcp-terminal-bar {
  display: flex;
  gap: 6px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
}
.mcp-terminal-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.35);
}
.mcp-terminal-bar span:first-child { background: #ff5f57; }
.mcp-terminal-bar span:nth-child(2) { background: #febc2e; }
.mcp-terminal-bar span:nth-child(3) { background: #28c840; }
.mcp-terminal pre {
  margin: 0;
  padding: 20px;
  font-size: 0.78rem;
  line-height: 1.55;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  color: #cbd5e1;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  tab-size: 2;
}
.t-muted { color: #64748b; }
.t-cyan { color: var(--cyan); }

/* ?? How it works ?? */
.how {
  padding: 40px 24px 96px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
}
.how-sticky {
  position: sticky;
  top: 112px;
}
.how-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.how-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: start;
  padding: 28px 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.how-steps li:hover {
  background: rgba(34, 211, 238, 0.04);
  border-color: var(--border);
}
.how-num {
  font-size: clamp(3.5rem, 6vw, 5.5rem);
  color: rgba(34, 211, 238, 0.2);
  line-height: 0.85;
  transition: color 0.3s var(--ease);
}
.how-steps li:hover .how-num { color: var(--cyan); }
.how-steps h3 {
  font-size: 1.6rem;
  margin: 8px 0 10px;
}
.how-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  font-weight: 500;
  max-width: 36rem;
}

/* ?? Value case (inversión) ?? */
.value-case {
  position: relative;
  padding: 72px 0 80px;
  overflow: hidden;
  background: var(--surface);
  border-top: 3px solid rgba(34, 211, 238, 0.35);
  border-bottom: 1px solid var(--border);
}
.value-case-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 20%, #000 15%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 20%, #000 15%, transparent 72%);
  opacity: 0.9;
}
.value-case-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 45% 35% at 50% 0%, rgba(34, 211, 238, 0.1), transparent),
    radial-gradient(ellipse 35% 30% at 85% 70%, rgba(99, 102, 241, 0.08), transparent);
}
.value-case-inner {
  position: relative;
  z-index: 1;
}
.value-case .pricing-sources {
  margin-bottom: 0;
}

/* ?? Pricing ?? */
.pricing {
  padding: 88px 24px 80px;
  background: var(--bg-deep);
}
.pricing-lead {
  text-align: center;
  color: var(--muted);
  max-width: 560px;
  margin: -28px auto 20px;
  font-size: 1rem;
}
.pricing-lead-plans {
  margin-bottom: 40px;
}
.pricing-lead strong { color: var(--cyan); }
.pricing-savings {
  list-style: none;
  margin: 0 auto 40px;
  padding: 0;
  max-width: 36rem;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pricing-savings li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.45;
}
.pricing-savings li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}
.pricing-savings .savings-src {
  color: var(--muted);
  font-size: 0.85rem;
}
.pricing-sources {
  margin: 0 auto 40px;
  max-width: 960px;
}
.pricing-sources-label {
  margin: 0 0 16px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  text-align: center;
}
.cite-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.cite-card {
  margin: 0;
  padding: 18px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
  text-align: left;
}
.cite-card p {
  margin: 0 0 12px;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text);
  font-weight: 500;
}
.cite-card cite {
  display: block;
  font-style: normal;
  font-size: 0.75rem;
  line-height: 1.4;
}
.cite-card cite a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
  transition: color 0.2s;
}
.cite-card cite a:hover { color: var(--cyan); }
.pricing-sources-note {
  margin: 18px auto 0;
  max-width: 40rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}
.plans {
  display: grid;
  gap: 16px;
}
.plans-4 {
  grid-template-columns: repeat(4, 1fr);
}
.plan {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
  position: relative;
}
.plan:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  border-color: rgba(34, 211, 238, 0.25);
}
.plan.featured {
  border-color: rgba(34, 211, 238, 0.45);
  box-shadow: 0 0 40px rgba(34, 211, 238, 0.1);
}
.plan.featured::before {
  content: attr(data-badge);
  position: absolute;
  top: -10px;
  right: 16px;
  background: var(--cyan);
  color: var(--text-dark);
  font-family: var(--display);
  font-size: 0.75rem;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.06em;
}
.plan h3 {
  font-size: 1.5rem;
  margin: 0 0 8px;
}
.price {
  font-size: 2.8rem;
  margin: 0;
  color: var(--cyan);
  line-height: 1;
}
.price span {
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: none;
  margin-left: 4px;
}
.price-text {
  font-size: 1.8rem;
  color: var(--text);
}
.plan-desc {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 10px 0 18px;
  font-weight: 500;
}
.plan ul {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.plan li {
  font-size: 0.88rem;
  color: var(--muted);
  padding-left: 18px;
  position: relative;
}
.plan li::before {
  content: "?";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}
.plan .btn { width: 100%; margin-top: 8px; }
.plan .btn + .btn { margin-top: 8px; }
.contact-note {
  text-align: center;
  margin-top: 32px;
  color: var(--muted);
  font-size: 0.95rem;
}
.contact-note a {
  color: var(--cyan);
  font-weight: 600;
}

/* ?? Blog ?? */
.blog-teaser {
  padding: 88px 24px;
}
.blog-teaser-lead,
.blog-hero-lead {
  max-width: 36rem;
  margin: -24px auto 36px;
  text-align: center;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.5;
}
.blog-hero .blog-hero-lead {
  margin: 0 0 8px;
  text-align: left;
}
.blog-teaser-actions {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(280px, auto);
  gap: 16px;
}
.blog-card {
  background: var(--cyan);
  color: var(--text-dark);
  border: 1px solid rgba(34, 211, 238, 0.45);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  min-height: 0;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(34, 211, 238, 0.25);
}
.blog-card.dark {
  background: var(--bg);
  color: var(--text);
  border-color: var(--border);
}
.blog-card.dark:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}
.blog-card.span-2 { grid-column: span 2; }
.blog-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}
.blog-card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-deep);
}
.blog-card.span-2 .blog-card-media {
  aspect-ratio: 21 / 9;
  min-height: 160px;
}
.blog-card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.blog-card-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 24px 24px;
  flex: 1;
}
.blog-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}
.blog-card-meta time {
  font-size: 0.78rem;
  color: rgba(10, 14, 26, 0.55);
  font-weight: 600;
}
.blog-card.dark .blog-card-meta time { color: var(--muted); }
.blog-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.blog-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(10, 14, 26, 0.7);
  border: 1px solid rgba(10, 14, 26, 0.2);
  padding: 2px 8px;
  border-radius: 4px;
}
.blog-card.dark .blog-tag {
  color: var(--cyan-soft);
  border-color: rgba(34, 211, 238, 0.28);
}
.blog-card h3 {
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: 0.01em;
  margin: 0;
  font-weight: 400;
}
.blog-card p {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1.5;
  color: rgba(10, 14, 26, 0.72);
  flex: 1;
}
.blog-card.dark p { color: var(--muted); }
.blog-card-cta {
  margin-top: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: rgba(10, 14, 26, 0.55);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.blog-card.dark .blog-card-cta { color: var(--muted); }
.blog-card:hover .blog-card-cta { color: var(--text-dark); }
.blog-card.dark:hover .blog-card-cta { color: var(--cyan); }
.blog-empty {
  color: var(--muted);
  text-align: center;
  padding: 24px;
  grid-column: 1 / -1;
}
.blog-empty a { color: var(--cyan); }

.blog-page main {
  padding-top: 88px;
  padding-bottom: 64px;
  min-height: 60vh;
}
.blog-hero {
  padding: 32px 24px 24px;
}
.blog-hero .display-sm {
  font-family: var(--display);
  text-transform: uppercase;
  line-height: 0.92;
  max-width: 16ch;
}
.blog-list-section {
  padding: 16px 24px 48px;
}
.blog-list-section .blog-grid {
  max-width: none;
}
.blog-post {
  padding: 32px 24px 64px;
  max-width: 720px;
}
.blog-post-cover {
  margin: 0 0 28px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-deep);
}
.blog-post-cover img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.blog-back {
  margin: 0 0 24px;
  font-size: 0.9rem;
}
.blog-back a {
  color: var(--muted);
  text-decoration: none;
}
.blog-back a:hover { color: var(--cyan); }
.blog-back-bottom { margin-top: 40px; }
.blog-post-header h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  text-transform: uppercase;
  line-height: 0.92;
  letter-spacing: 0.01em;
  margin: 12px 0 16px;
  font-weight: 400;
}
.blog-post-excerpt {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.5;
  margin: 0 0 32px;
}
.blog-post-body h2 {
  font-family: var(--display);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  text-transform: uppercase;
  line-height: 1;
  margin: 32px 0 12px;
  font-weight: 400;
}
.blog-post-body p {
  color: var(--text);
  margin: 0 0 16px;
  line-height: 1.65;
}
.blog-post-body ul {
  margin: 0 0 20px;
  padding-left: 1.2rem;
  color: var(--text);
  line-height: 1.55;
}
.blog-post-body li { margin-bottom: 8px; }

/* ?? Final CTA ?? */
.cta-final {
  position: relative;
  background: var(--cyan);
  color: var(--text-dark);
  padding: 96px 24px;
  overflow: hidden;
  text-align: center;
}
.cta-bg-word {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-size: clamp(6rem, 22vw, 16rem);
  text-transform: uppercase;
  color: rgba(10, 14, 26, 0.1);
  pointer-events: none;
  line-height: 1;
  white-space: nowrap;
  user-select: none;
}
.cta-inner {
  position: relative;
  z-index: 1;
}
.cta-inner h2 {
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  margin: 0 auto 16px;
  max-width: 14ch;
  color: var(--text-dark);
}
.cta-inner p {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 500;
  max-width: 36rem;
  margin: 0 auto 32px;
  color: rgba(10, 14, 26, 0.72);
}
.cta-inner .btn-dark:hover {
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

/* ?? Footer ?? */
.site-footer {
  padding: 48px 0 calc(48px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--border);
  background: var(--bg-deep);
}
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  align-items: center;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}
.footer-legal a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}
.footer-legal a:hover,
.footer-legal a[aria-current="page"] {
  color: var(--cyan);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.footer-brand p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 28rem;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: flex-start;
}
.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--cyan); }
.footer-products {
  margin-bottom: 28px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}
.footer-products-label {
  margin: 0 0 12px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}
.footer-products-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px 28px;
  max-width: 960px;
}
.footer-products-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-products-list a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
}
.footer-products-list a:hover { color: var(--cyan); }
.footer-products-list span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
}
.footer-tagline {
  margin: 0 0 6px;
  font-size: 0.85rem;
  color: var(--text);
  font-weight: 600;
}

/* Legal pages */
.legal-doc {
  padding: 48px 0 72px;
  max-width: 42rem;
}
.legal-doc h1 {
  font-family: var(--font);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  text-transform: none;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 8px;
}
.legal-updated {
  margin: 0 0 36px;
  color: var(--muted);
  font-size: 0.88rem;
}
.legal-doc section { margin-bottom: 28px; }
.legal-doc h2 {
  font-family: var(--font);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: none;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--text);
}
.legal-doc p,
.legal-doc li {
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.65;
  margin: 0 0 10px;
}
.legal-doc ul {
  margin: 0 0 10px;
  padding-left: 1.25rem;
}
.legal-doc a {
  color: var(--cyan-soft);
  text-underline-offset: 2px;
}
.legal-doc a:hover { color: var(--cyan); }
.muted {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

/* ?? Responsive ?? */
@media (max-width: 1024px) {
  .plans-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-products-list { grid-template-columns: 1fr 1fr; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento-card.span-2 { grid-column: span 2; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-card.span-2 { grid-column: span 2; }
  .how { grid-template-columns: 1fr; gap: 24px; }
  .how-sticky { position: static; }
}

@media (max-width: 720px) {
  .top { height: auto; }
  .top-inner {
    min-height: 64px;
    padding-top: env(safe-area-inset-top, 0px);
  }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .nav-login { display: none; }
  .header-cta {
    padding: 8px 14px;
    font-size: 0.82rem;
  }
  .top-nav {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: calc(64px + env(safe-area-inset-top, 0px));
    z-index: 110;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin: 0;
    padding: 12px 20px calc(28px + env(safe-area-inset-bottom, 0px));
    background: rgba(10, 14, 26, 0.98);
    border-top: 1px solid var(--border);
    overflow-y: auto;
  }
  body.nav-open .top-nav { display: flex; }
  .top-nav a:not(.btn) {
    display: block;
    padding: 14px 12px;
    font-size: 1.05rem;
    color: var(--text);
    border-bottom: 1px solid var(--border);
  }

  .hero { padding: 108px 0 48px; }
  .hero h1 { max-width: none; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .browser-frame { transform: none; }

  .contrast-split { grid-template-columns: 1fr; }
  .contrast-half.solution { border-left: none; border-top: 3px solid var(--cyan); }

  .proof-grid { grid-template-columns: 1fr; gap: 20px; }
  .proof-stats { padding: 56px 16px 24px; }

  .bento { grid-template-columns: 1fr; grid-auto-rows: auto; }
  .bento-card.span-2 { grid-column: span 1; }
  .bento-card { min-height: 0; }

  .mcp-highlight { padding: 48px 0; }
  .mcp-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .mcp-copy .display-sm {
    font-size: clamp(1.85rem, 8.5vw, 2.4rem);
    line-height: 0.95;
  }
  .mcp-copy .display-sm br { display: none; }
  .mcp-copy > p:not(.section-eyebrow) {
    font-size: 0.98rem;
    margin-bottom: 16px;
  }
  .mcp-stat { font-size: 0.9rem; line-height: 1.55; }
  .mcp-list { margin-bottom: 22px; gap: 8px; }
  .mcp-list li { font-size: 0.9rem; }
  .mcp-copy .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  .mcp-copy .hero-cta .btn { width: 100%; }
  .mcp-terminal {
    border-radius: 10px;
    max-width: 100%;
  }
  .mcp-terminal pre {
    font-size: 0.65rem;
    padding: 12px 14px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
  }
  .cite-grid { grid-template-columns: 1fr; }

  .plans-4 { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card.span-2 { grid-column: span 1; }
  .blog-card.span-2 .blog-card-media { aspect-ratio: 16 / 9; min-height: 0; }
  .blog-teaser { padding: 64px 16px; }
  .blog-hero .display-sm { max-width: none; }
  .cta-final { padding: 72px 16px; }
  .cta-inner .btn { width: 100%; }
  .footer-inner { flex-direction: column; }
  .footer-products-list { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .logo { font-size: 1.35rem; }
  .header-cta {
    max-width: 40vw;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .btn-anton { font-size: 1.1rem; padding: 16px 28px; }
}

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

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translate3d(0, 24px, 0);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
  will-change: opacity, transform;
}
.reveal[data-reveal="left"] {
  transform: translate3d(-28px, 0, 0);
}
.reveal[data-reveal="right"] {
  transform: translate3d(28px, 0, 0);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
  will-change: auto;
}
.reveal-stagger > .reveal:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 70ms; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 140ms; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 210ms; }
.reveal-stagger > .reveal:nth-child(5) { transition-delay: 280ms; }
.reveal-stagger > .reveal:nth-child(6) { transition-delay: 350ms; }
.reveal-stagger > .reveal:nth-child(7) { transition-delay: 420ms; }
.reveal-stagger > .reveal:nth-child(8) { transition-delay: 490ms; }

.hero-enter {
  opacity: 0;
  transform: translate3d(0, 16px, 0);
  transition:
    opacity 0.55s var(--ease),
    transform 0.55s var(--ease);
}
.hero-enter.is-in {
  opacity: 1;
  transform: none;
}
.hero-cta.hero-enter { transition-delay: 80ms; }
.hero-mock.hero-enter { transition-delay: 180ms; }

/* Help page: fixed header offset */
.help-page main {
  padding-top: 80px;
}
.help-page .help-section h2,
.help-page .help-section h3,
.help-page .help-hero h1 {
  font-family: var(--font);
  text-transform: none;
  letter-spacing: -0.02em;
  line-height: 1.25;
  font-weight: 700;
}
.help-page footer.wrap,
footer.wrap {
  padding: 48px 24px calc(48px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--border);
}

/* -- Help / docs pages (MCP guide) --
/* ?????? Help / docs pages (MCP guide) ?????? */
.help-page {
  --help-ink: #e2e8f0;
  --help-ink-soft: #cbd5e1;
  --help-measure: 42rem;
}

.help-page .help-hero {
  padding: 48px 24px 36px;
  max-width: 1120px;
  position: relative;
}
.help-page .help-hero::after {
  content: "";
  position: absolute;
  inset: 0 auto auto 24px;
  width: min(420px, 70%);
  height: 180px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.1) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}
.help-page .help-hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  margin: 10px 0 14px;
  letter-spacing: -0.03em;
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
  max-width: 18ch;
}
.help-page .help-hero .lead {
  max-width: 38rem;
  margin: 0 0 22px;
  color: var(--help-ink-soft);
  font-size: 1.05rem;
  line-height: 1.65;
}
.help-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}
.help-hero-pills {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.help-hero-pills li {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--help-ink);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.22);
  border-radius: 999px;
  padding: 6px 12px;
}

.help-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 36px;
  align-items: start;
  padding: 8px 24px 88px;
}
.help-toc {
  position: sticky;
  top: 88px;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 18px 14px;
}
.help-toc-title {
  margin: 0 0 12px;
  padding: 0 8px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}
.help-toc-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.help-toc-nav a {
  display: block;
  color: var(--help-ink-soft) !important;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.35;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.help-toc-nav a:hover {
  color: #fff !important;
  background: rgba(34, 211, 238, 0.1);
  border-left-color: rgba(34, 211, 238, 0.55);
}
.help-toc-nav a.is-active,
.help-toc-nav a[aria-current="location"] {
  color: #fff !important;
  background: rgba(34, 211, 238, 0.12);
  border-left-color: var(--cyan);
  font-weight: 600;
}

.help-content {
  min-width: 0;
  max-width: var(--help-measure);
}
.help-section {
  scroll-margin-top: 96px;
  margin-bottom: 28px;
  padding: 28px 30px;
  background: rgba(19, 28, 46, 0.55);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.help-section h2 {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  font-size: 1.28rem;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.3;
}
.help-sec-num {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
  opacity: 0.85;
  font-variant-numeric: tabular-nums;
}
.help-section h3 {
  margin: 0 0 8px;
  font-size: 0.98rem;
  color: var(--text);
  font-weight: 600;
}
.help-section p,
.help-section li {
  color: var(--help-ink-soft);
  font-size: 0.95rem;
  line-height: 1.7;
}
.help-section p { margin: 0 0 14px; }
.help-section p:last-child { margin-bottom: 0; }
.help-section strong { color: var(--text); font-weight: 600; }
.help-section em { color: var(--help-ink); }
.help-section a {
  color: var(--cyan) !important;
  text-decoration: none;
  font-weight: 500;
}
.help-section a:hover { text-decoration: underline; text-underline-offset: 2px; }

.help-label {
  margin: 4px 0 10px !important;
  font-size: 0.72rem !important;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted) !important;
}

.help-checklist {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.help-checklist li {
  position: relative;
  padding: 10px 12px 10px 36px;
  background: rgba(10, 14, 26, 0.35);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--help-ink-soft);
  font-size: 0.92rem;
  line-height: 1.55;
}
.help-checklist li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 16px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.12);
}

.help-steps {
  list-style: none;
  margin: 8px 0 18px;
  padding: 0;
  counter-reset: help-step;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.help-steps li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
  align-items: start;
  counter-increment: help-step;
  padding: 14px 16px;
  background: rgba(10, 14, 26, 0.35);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.help-steps li::before {
  content: counter(help-step);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.22), rgba(99, 102, 241, 0.18));
  border: 1px solid rgba(34, 211, 238, 0.35);
  color: var(--cyan);
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.help-steps li > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.help-steps strong {
  color: var(--text);
  font-weight: 600;
  font-size: 0.98rem;
}
.help-steps span {
  color: var(--help-ink-soft);
  font-size: 0.9rem;
  line-height: 1.55;
}

.help-callout,
.help-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  line-height: 1.55;
}
.help-callout {
  background: rgba(34, 211, 238, 0.09);
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-left: 3px solid var(--cyan);
  color: var(--help-ink);
}
.help-note {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-strong);
  border-left: 3px solid rgba(148, 163, 184, 0.45);
  color: var(--help-ink-soft);
}

.help-capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 8px 0 0;
}
.help-capability-grid article {
  padding: 16px;
  background: rgba(10, 14, 26, 0.4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color 0.15s, background 0.15s;
}
.help-capability-grid article:hover {
  border-color: rgba(34, 211, 238, 0.25);
  background: rgba(34, 211, 238, 0.05);
}
.help-capability-grid h3 {
  margin: 0 0 6px;
  font-size: 0.95rem;
  color: var(--cyan);
}
.help-capability-grid p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--help-ink-soft);
}

.help-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 8px 0 4px;
}
.help-cards article {
  background: rgba(10, 14, 26, 0.4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
}
.help-cards h3 {
  margin: 0 0 8px;
  color: var(--cyan);
  font-size: 0.95rem;
}
.help-cards p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.55;
}

.help-faq {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.help-faq details {
  background: rgba(10, 14, 26, 0.35);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.help-faq details[open] {
  border-color: rgba(34, 211, 238, 0.28);
  background: rgba(34, 211, 238, 0.05);
}
.help-faq summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 44px 14px 16px;
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.4;
  position: relative;
  user-select: none;
}
.help-faq summary::-webkit-details-marker { display: none; }
.help-faq summary::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-65%) rotate(45deg);
  transition: transform 0.2s, border-color 0.2s;
}
.help-faq details[open] summary::after {
  transform: translateY(-20%) rotate(225deg);
  border-color: var(--cyan);
}
.help-faq summary:hover { color: var(--cyan); }
.help-faq details p {
  margin: 0;
  padding: 0 16px 16px;
  color: var(--help-ink-soft);
  font-size: 0.9rem;
  line-height: 1.6;
}

.help-cta-box {
  margin-top: 28px;
  padding: 28px 24px;
  text-align: center;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.12) 0%, rgba(99, 102, 241, 0.08) 100%);
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: var(--radius-lg);
}
.help-cta-box h3 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 1.2rem;
}
.help-cta-box p {
  margin: 0 0 18px;
  color: var(--help-ink-soft);
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}
.help-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

@media (max-width: 900px) {
  .help-layout {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-top: 0;
  }
  .help-content { max-width: none; }
  .help-toc {
    position: sticky;
    top: 66px;
    z-index: 40;
    padding: 14px 14px 12px;
    border-radius: var(--radius-md);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  }
  .help-toc-nav {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    margin: 0 -2px;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }
  .help-toc-nav a {
    flex: 0 0 auto;
    border-left: none !important;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    padding: 7px 14px;
    font-size: 0.8rem;
    color: var(--help-ink) !important;
    background: rgba(255, 255, 255, 0.03);
    white-space: nowrap;
  }
  .help-toc-nav a:hover,
  .help-toc-nav a.is-active,
  .help-toc-nav a[aria-current="location"] {
    color: #0a0e1a !important;
    background: var(--cyan);
    border-color: var(--cyan);
    font-weight: 600;
  }
  .help-section { padding: 22px 18px; }
  .help-capability-grid,
  .help-cards {
    grid-template-columns: 1fr;
  }
  .help-page .help-hero h1 { max-width: none; }
}

@media (max-width: 520px) {
  .help-steps li {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .help-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .help-hero-actions .btn {
    width: 100%;
  }
}