:root {
  --neo-bg: #f5f0eb;
  --neo-bg-alt: #ede8e2;
  --neo-surface: #ffffff;
  --neo-border: #1a1a2e;
  --neo-shadow: #1a1a2e;
  --neo-teal: #0f766e; /* teal-700 — 5.5:1 com branco (WCAG AA); era #0d9488 (3.74:1) */
  --neo-teal-dark: #115e59; /* teal-800 — 6.0:1 sobre --neo-teal-light */
  --neo-teal-light: #99f6e4;
  --neo-mint: #d1fae5;
  --neo-accent: #06b6d4;
  --neo-purple: #7c3aed;
  --neo-navy: #1e293b;
  --neo-muted: #475569; /* slate-600 — 6.0:1 vs #f5f0eb (mesmo fix RB-4 do desktop) */
  --neo-muted-light: #94a3b8; /* uso APENAS sobre fundos escuros (navy) — 5.7:1 */
  --neo-amber: #fbbf24;
  --neo-amber-text: #b45309; /* amber-700 — 4.8:1 sobre branco; amber claro só como fundo */
  /* Fontes do sistema — sem pedidos a terceiros (privacidade + CSP estrita) */
  --font-display: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Monaco, Consolas, monospace;
  --border-w: 3px;
  --shadow-sm: 3px 3px 0 0 var(--neo-shadow);
  --shadow-md: 5px 5px 0 0 var(--neo-shadow);
  --shadow-lg: 8px 8px 0 0 var(--neo-shadow);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--neo-navy);
  background: var(--neo-bg);
  -webkit-font-smoothing: antialiased;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: repeating-linear-gradient(
      0deg,
      transparent,
      transparent 60px,
      rgba(26, 26, 46, 0.03) 60px,
      rgba(26, 26, 46, 0.03) 61px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 60px,
      rgba(26, 26, 46, 0.03) 60px,
      rgba(26, 26, 46, 0.03) 61px
    );
}

.container {
  max-width: min(96vw, 960px);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.25rem);
}

/* ===== NAV ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--neo-surface);
  border-bottom: var(--border-w) solid var(--neo-border);
  box-shadow: 0 var(--border-w) 0 0 var(--neo-border);
  padding: 0.75rem 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--neo-navy);
}
.nav-logo {
  border: var(--border-w) solid var(--neo-border);
  box-shadow: var(--shadow-sm);
}
.nav-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--neo-muted);
  padding: 0.3rem 0.5rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border: 2px solid transparent;
  transition: all 0.12s;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.nav-links a:hover {
  color: var(--neo-navy);
  border-color: var(--neo-border);
  background: var(--neo-bg);
}

/* ===== HERO ===== */
.hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2rem, 5vw, 4rem);
  text-align: center;
}
.hero-lockup {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.hero-logo {
  border: var(--border-w) solid var(--neo-border);
  box-shadow: var(--shadow-md);
  display: block;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--neo-muted);
  margin-bottom: 0.75rem;
}
.hero-eyebrow strong {
  color: var(--neo-teal-dark);
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5.5vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
  color: var(--neo-navy);
}
.hero-tagline {
  max-width: 36rem;
  margin: 0 auto 1.5rem;
  font-size: 1.05rem;
  color: var(--neo-muted);
}
.hero-ecosystem {
  margin: -0.75rem 0 1.5rem;
  font-size: 0.85rem;
  color: var(--neo-muted);
}
.hero-ecosystem a {
  color: var(--neo-teal-dark);
  font-weight: 600;
}
.hero-badges {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border: 2px solid var(--neo-border);
  box-shadow: 2px 2px 0 0 var(--neo-border);
  background: var(--neo-mint);
  color: var(--neo-navy);
}
.badge--accent {
  background: var(--neo-teal-light);
}
.badge--purple {
  background: #ede9fe;
  color: var(--neo-purple);
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  background: var(--neo-teal);
  color: #fff;
  border: var(--border-w) solid var(--neo-border);
  padding: 0.7rem 1.3rem;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition:
    transform 0.1s,
    box-shadow 0.1s;
}
.btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow-md);
}
.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 0 var(--neo-border);
}
.btn--secondary {
  background: var(--neo-surface);
  color: var(--neo-navy);
  border: 2px solid var(--neo-border);
  box-shadow: 2px 2px 0 0 var(--neo-border);
}
.btn--secondary:hover {
  background: var(--neo-bg-alt);
}
.btn--lg {
  font-size: 1rem;
  padding: 0.85rem 1.6rem;
}

/* ===== SECTIONS ===== */
section {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}
section + section {
  border-top: var(--border-w) solid var(--neo-border);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}
.section-subtitle {
  font-size: 0.95rem;
  color: var(--neo-muted);
  max-width: 36rem;
  margin: 0 0 2rem;
}
.section-subtitle--mt {
  margin-top: 28px;
}
.section-subtitle--sm {
  font-size: 14px;
  /* sem opacity: 0.75 — diluía o muted abaixo de 4.5:1 (WCAG AA) */
}

/* ===== DOWNLOAD CARDS ===== */
.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
@media (max-width: 640px) {
  .download-grid {
    grid-template-columns: 1fr;
  }
}
.dl-card {
  background: var(--neo-surface);
  border: var(--border-w) solid var(--neo-border);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition:
    transform 0.12s,
    box-shadow 0.12s;
  position: relative;
}
.dl-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
  border-left: 6px solid var(--neo-accent);
}
.dl-card-os {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--neo-navy);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.dl-card-os .os-icon {
  width: 2.4rem;
  height: 2.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--neo-border);
  background: var(--neo-bg);
  font-size: 1.1rem;
  box-shadow: 2px 2px 0 0 var(--neo-border);
}
.dl-card-arch {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--neo-muted);
  letter-spacing: 0.04em;
}
.dl-card-formats {
  font-size: 0.85rem;
  color: var(--neo-muted);
  padding-bottom: 0.5rem;
  border-bottom: 2px dashed var(--neo-muted-light);
}
.dl-card-formats code {
  font-family: var(--font-mono);
  font-size: 0.8em;
  padding: 0.1rem 0.35rem;
  background: var(--neo-teal-light);
  color: var(--neo-teal-dark);
  border: 1px solid var(--neo-border);
}
.dl-card .btn {
  margin-top: auto;
  text-align: center;
  justify-content: center;
}
.dl-soon {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--neo-amber-text);
  text-align: center;
  margin-top: 0.25rem;
}

/* ===== BETA BANNER ===== */
.beta-banner {
  margin-top: 2.5rem;
  padding: 2rem;
  background: var(--neo-navy);
  border: var(--border-w) solid var(--neo-border);
  box-shadow: var(--shadow-md);
  text-align: center;
}
.beta-banner-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  background: var(--neo-amber);
  color: var(--neo-navy);
  border: 2px solid var(--neo-border);
  box-shadow: 2px 2px 0 0 rgba(255, 255, 255, 0.15);
  margin-bottom: 0.75rem;
}
.beta-banner h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: #fff;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}
.beta-banner p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--neo-muted-light);
  line-height: 1.6;
}
.beta-banner p a {
  color: var(--neo-teal-light);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--neo-teal-light);
  transition: color 0.12s;
}
.beta-banner p a:hover {
  color: #fff;
  border-bottom-color: #fff;
}
.beta-banner .btn {
  margin-top: 1.25rem;
}

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr));
  gap: 1rem;
}
.feat {
  padding: 1.25rem;
  background: var(--neo-surface);
  border: var(--border-w) solid var(--neo-border);
  box-shadow: var(--shadow-sm);
}
.feat-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  margin: 0 0 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.feat-title .feat-icon {
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  border: 2px solid var(--neo-border);
  background: var(--neo-mint);
}
.feat p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--neo-muted);
  line-height: 1.5;
}

/* ===== ARCHITECTURE ===== */
.arch-visual {
  margin: 1.5rem auto 0;
  max-width: 540px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.arch-node {
  width: 100%;
  padding: 1.1rem 1.4rem;
  background: var(--neo-surface);
  border: var(--border-w) solid var(--neo-border);
  box-shadow: var(--shadow-md);
  text-align: center;
  position: relative;
}
.arch-node--dark {
  background: var(--neo-navy);
  color: #fff;
}
.arch-node-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
}
.arch-node--dark .arch-node-label {
  color: #fff;
}
.arch-node-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--neo-muted);
  letter-spacing: 0.03em;
  margin-top: 0.2rem;
}
.arch-node--dark .arch-node-sub {
  color: var(--neo-teal-light);
}
.arch-node-sub--mb {
  margin-bottom: 0.8rem;
}
.arch-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 2.5rem;
  position: relative;
}
.arch-connector::before {
  content: "";
  display: block;
  width: 3px;
  flex: 1;
  background: var(--neo-border);
}
.arch-connector::after {
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 8px solid var(--neo-border);
}
.arch-connector-label {
  position: absolute;
  top: 50%;
  left: calc(50% + 18px);
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--neo-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}
.arch-row {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
}
.arch-chip {
  padding: 0.7rem 0.5rem;
  background: var(--neo-bg);
  border: 2px solid var(--neo-border);
  box-shadow: 2px 2px 0 0 var(--neo-border);
  text-align: center;
}
.arch-node--dark .arch-chip {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 2px 2px 0 0 rgba(255, 255, 255, 0.08);
}
.arch-chip-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
}
.arch-node--dark .arch-chip-name {
  color: #fff;
}
.arch-chip-desc {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--neo-muted);
  margin-top: 0.15rem;
}
.arch-node--dark .arch-chip-desc {
  color: var(--neo-teal-light);
}
@media (max-width: 480px) {
  .arch-row {
    grid-template-columns: 1fr;
  }
}

/* ===== COMPLIANCE ===== */
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  max-width: 680px;
  margin: 0 auto;
}
.compliance-item {
  padding: 0.75rem 1rem;
  background: var(--neo-bg);
  border: 2px solid var(--neo-border);
  box-shadow: 2px 2px 0 0 var(--neo-border);
  font-size: 0.85rem;
}
.compliance-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  color: var(--neo-navy);
}
.compliance-item span {
  color: var(--neo-muted);
  font-size: 0.8rem;
}

.site-privacy-note {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1.25rem 1.35rem;
  background: var(--neo-surface);
  border: var(--border-w) solid var(--neo-border);
  box-shadow: var(--shadow-sm);
  font-size: 0.92rem;
  color: var(--neo-muted);
  line-height: 1.65;
}
.site-privacy-note a {
  color: var(--neo-teal-dark);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.site-privacy-note p {
  margin: 0;
}
.site-privacy-note p + p {
  margin-top: 1rem;
}
.site-privacy-note a:hover {
  color: var(--neo-teal);
}

/* ===== FOOTER ===== */
.footer {
  border-top: var(--border-w) solid var(--neo-border);
  padding: 2rem 0;
  text-align: center;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--neo-muted);
  text-decoration: none;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.footer-links a:hover {
  color: var(--neo-teal);
}
.footer-copy {
  font-size: 0.8rem;
  color: var(--neo-muted);
}
.enterprise-banner {
  margin: 3rem 0 3rem;
  padding: 2rem;
  background: var(--neo-navy);
  border: var(--border-w) solid var(--neo-border);
  box-shadow: var(--shadow-md);
  text-align: center;
}
.enterprise-banner-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  background: var(--neo-teal);
  color: #fff;
  border: 2px solid var(--neo-border);
  box-shadow: 2px 2px 0 0 rgba(255, 255, 255, 0.15);
  margin-bottom: 0.75rem;
}
.enterprise-banner h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: #fff;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}
.enterprise-banner p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--neo-muted-light);
  line-height: 1.6;
}
.enterprise-banner a {
  color: var(--neo-teal-light);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--neo-teal-light);
  transition: color 0.12s;
}
.enterprise-banner a:hover {
  color: #fff;
  border-bottom-color: #fff;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .nav-links {
    gap: 0.25rem;
  }
  .nav-links a {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
  }
  .pricing-grid {
    max-width: 100%;
  }
}
@media (max-width: 768px) {
  .compliance-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
  }
  .faq-list {
    max-width: 100%;
  }
}
@media (max-width: 640px) {
  .nav-inner {
    flex-direction: column;
    text-align: center;
  }
  .nav-links {
    justify-content: center;
  }
  .nav-cta {
    margin-left: 0;
  }
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  .hero-cta .btn {
    width: 100%;
    max-width: 20rem;
    justify-content: center;
  }
  .compliance-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== FOCUS VISIBLE (WCAG 2.4.7 / 2.4.11) ===== */
:focus-visible {
  outline: 3px solid var(--neo-teal);
  outline-offset: 3px;
}
.btn:focus-visible {
  outline: 3px solid var(--neo-accent);
  outline-offset: 3px;
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow-md);
}
.nav-links a:focus-visible {
  outline: 3px solid var(--neo-teal);
  outline-offset: 2px;
  border-color: var(--neo-border);
  background: var(--neo-bg);
  color: var(--neo-navy);
}
.faq-q:focus-visible {
  outline: 3px solid var(--neo-teal);
  outline-offset: -3px;
}

/* Skip link (WCAG 2.4.1 Level A) */
.skip-link {
  position: absolute;
  top: -999rem;
  left: 0;
  z-index: 9999;
  padding: 0.75rem 1.5rem;
  background: var(--neo-teal);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: var(--border-w) solid var(--neo-border);
  box-shadow: var(--shadow-md);
}
.skip-link:focus {
  top: 0;
  outline: 3px solid var(--neo-accent);
  outline-offset: 2px;
}

/* ===== NAV CTA ===== */
.nav-cta {
  background: var(--neo-teal) !important;
  color: #fff !important;
  border: 2px solid var(--neo-border) !important;
  box-shadow: 2px 2px 0 0 var(--neo-border) !important;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-left: auto;
}
.nav-cta:hover {
  background: var(--neo-teal-dark) !important;
}

/* ===== PRICING ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1.25rem;
  max-width: 680px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--neo-surface);
  border: var(--border-w) solid var(--neo-border);
  box-shadow: var(--shadow-md);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.pricing-card--enterprise {
  background: var(--neo-navy);
  color: #fff;
}
.pricing-card-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--neo-teal);
  margin-bottom: 0.25rem;
}
.pricing-card--enterprise .pricing-card-label {
  color: var(--neo-teal-light);
}
.pricing-card-price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  letter-spacing: -0.03em;
  color: var(--neo-navy);
  line-height: 1;
}
.pricing-card--enterprise .pricing-card-price {
  color: #fff;
}
.pricing-card-desc {
  font-size: 0.85rem;
  color: var(--neo-muted);
  margin-bottom: 1rem;
}
.pricing-card--enterprise .pricing-card-desc {
  color: var(--neo-muted-light);
}
.pricing-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.pricing-list li {
  font-size: 0.88rem;
  color: var(--neo-muted);
  padding-left: 1.25rem;
  position: relative;
}
.pricing-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--neo-teal);
  font-weight: 700;
}
.pricing-card--enterprise .pricing-list li {
  color: var(--neo-muted-light);
}
.pricing-card--enterprise .pricing-list li::before {
  color: var(--neo-teal-light);
}
.pricing-card .btn {
  text-align: center;
  justify-content: center;
}

/* ===== SCREENSHOTS ===== */
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 1.25rem;
}
.screenshot-frame {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.screenshot-frame figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--neo-muted);
  letter-spacing: 0.04em;
  text-align: center;
  text-transform: uppercase;
}
.screenshot-placeholder {
  aspect-ratio: 16 / 10;
  background: var(--neo-surface);
  border: var(--border-w) solid var(--neo-border);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--neo-muted);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
}
.screenshot-placeholder-icon {
  font-size: 2rem;
  line-height: 1;
}
.screenshot-placeholder-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--neo-muted);
  letter-spacing: 0.03em;
  text-align: center;
  max-width: 12rem;
}
.screenshot-img {
  width: 100%;
  height: auto;
  border: var(--border-w) solid var(--neo-border);
  box-shadow: var(--shadow-md);
  display: block;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 680px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.faq-item {
  background: var(--neo-surface);
  border: var(--border-w) solid var(--neo-border);
  box-shadow: var(--shadow-sm);
}
.faq-item[open] {
  box-shadow: var(--shadow-md);
}
.faq-q {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-q::-webkit-details-marker {
  display: none;
}
.faq-q::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 300;
  flex-shrink: 0;
  margin-left: 1rem;
  color: var(--neo-teal);
}
.faq-item[open] .faq-q::after {
  content: "−";
}
.faq-a {
  padding: 0 1.25rem 1rem;
  margin: 0;
  font-size: 0.9rem;
  color: var(--neo-muted);
  line-height: 1.65;
  border-top: 2px dashed var(--neo-muted-light);
}
.faq-a strong {
  color: var(--neo-navy);
}