:root {
  --bg: #070b14;
  --bg-card: #0f172a;
  --bg-elevated: #162038;
  --border: #1e293b;
  --border-accent: rgba(16, 185, 129, 0.35);
  --text: #f8fafc;
  --muted: #94a3b8;
  --emerald: #10b981;
  --emerald-hover: #059669;
  --cyan: #06b6d4;
  --amber: #f59e0b;
  --red: #ef4444;
  --radius: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(circle at top, #0f1f38 0%, var(--bg) 52%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1140px, 92%);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(7, 11, 20, 0.84);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--emerald), var(--cyan));
  box-shadow: 0 0 14px var(--emerald);
}

.nav-links {
  display: flex;
  gap: 22px;
  font-size: 0.94rem;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.98rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--emerald), #0ea5e9);
  color: #031510;
}

.btn-whatsapp {
  background: #22c55e;
  color: #041b0c;
  width: 100%;
  padding: 15px 22px;
  font-size: 1.03rem;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.hero {
  padding: 64px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.98fr;
  gap: 38px;
  align-items: start;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid var(--border-accent);
  color: #6ee7b7;
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2rem, 3.8vw, 3.15rem);
  line-height: 1.13;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}

.hero h1 span {
  background: linear-gradient(90deg, #34d399, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  color: var(--muted);
  font-size: 1.08rem;
  margin-bottom: 26px;
}

.trust-points {
  display: grid;
  gap: 10px;
  margin-top: 22px;
  color: #cbd5e1;
  font-size: 0.95rem;
}

.scanner-card {
  background: linear-gradient(180deg, var(--bg-elevated), var(--bg-card));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.scanner-card h2 {
  font-size: 1.3rem;
  margin-bottom: 6px;
}

.scanner-card p.helper {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 18px;
}

.form-grid {
  display: grid;
  gap: 12px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

label {
  display: block;
  font-size: 0.82rem;
  color: #cbd5e1;
  margin-bottom: 5px;
  font-weight: 600;
}

input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid #334155;
  background: #09101f;
  color: var(--text);
  font-size: 0.96rem;
}

input:focus {
  outline: 2px solid var(--emerald);
  border-color: transparent;
}

.scan-result {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.score-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 16px;
}

.score-ring {
  min-width: 84px;
  height: 84px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.65rem;
  border: 3px solid var(--emerald);
  background: rgba(16, 185, 129, 0.08);
}

.score-ring small {
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 600;
}

.checks-list {
  display: grid;
  gap: 10px;
  margin: 16px 0;
}

.check-item {
  padding: 11px 13px;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border);
  font-size: 0.88rem;
}

.check-top {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  margin-bottom: 4px;
  gap: 8px;
}

.check-detail {
  color: var(--muted);
  font-size: 0.82rem;
}

.tag-ok {
  color: #34d399;
}

.tag-fail {
  color: #f87171;
}

section.block {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}

.section-head {
  max-width: 720px;
  margin-bottom: 36px;
}

.section-head h2 {
  font-size: clamp(1.65rem, 2.8vw, 2.25rem);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.section-head p {
  color: var(--muted);
}

.chat-mockup {
  background: #0b1324;
  border: 1px solid #263449;
  border-radius: var(--radius);
  padding: 26px;
}

.chat-prompt {
  background: #1e293b;
  display: inline-block;
  padding: 10px 16px;
  border-radius: 14px;
  font-weight: 600;
  margin-bottom: 18px;
}

.chat-answer {
  display: grid;
  gap: 12px;
}

.cited-box {
  background: rgba(16, 185, 129, 0.07);
  border: 1px solid var(--border-accent);
  padding: 14px 16px;
  border-radius: 12px;
}

.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card.featured {
  border-color: var(--emerald);
  box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.35);
}

.price {
  font-size: 2rem;
  font-weight: 800;
}

.price span {
  font-size: 0.92rem;
  color: var(--muted);
  font-weight: 500;
}

.card ul {
  list-style: none;
  display: grid;
  gap: 9px;
  color: #cbd5e1;
  font-size: 0.93rem;
  flex: 1;
}

.faq-grid {
  display: grid;
  gap: 14px;
}

details.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
}

details.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 1.02rem;
}

details.faq-item p {
  margin-top: 10px;
  color: var(--muted);
}

.guides-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.guide-link {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  transition: border-color 0.15s ease;
}

.guide-link:hover {
  border-color: var(--emerald);
}

.article-wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 52px 0 64px;
}

.breadcrumb {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 18px;
}

.breadcrumb a {
  color: #6ee7b7;
}

.article-wrap h1 {
  font-size: clamp(1.9rem, 3.4vw, 2.75rem);
  line-height: 1.16;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.lead-answer {
  background: rgba(16, 185, 129, 0.08);
  border-left: 4px solid var(--emerald);
  padding: 18px 20px;
  border-radius: 0 12px 12px 0;
  color: #e2e8f0;
  font-size: 1.05rem;
  margin-bottom: 28px;
}

.article-body {
  display: grid;
  gap: 18px;
  color: #cbd5e1;
}

.article-body h2 {
  color: var(--text);
  font-size: 1.45rem;
  margin-top: 14px;
}

.article-body ul,
.article-body ol {
  padding-left: 22px;
  display: grid;
  gap: 8px;
}

.article-body pre {
  background: #09101f;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  overflow-x: auto;
  font-size: 0.88rem;
  color: #a7f3d0;
}

.cta-banner {
  margin-top: 36px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.14), rgba(6, 182, 212, 0.1));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
  padding: 26px;
  display: grid;
  gap: 12px;
}

footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .hero-grid,
  .cards-3,
  .guides-grid,
  .form-row {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
}