:root {
  --ink: #0b1220;
  --ink-soft: #1e293b;
  --cream: #f4f6f9;
  --cream-2: #e8ecf2;
  --white: #ffffff;
  --line: rgba(11, 18, 32, 0.1);
  --muted: #5a6577;
  --accent: #0f2d5c;
  --accent-hover: #0a2247;
  --accent-mid: #2c5282;
  --gold: #8fa3bf;
  --whatsapp: #1f9d55;
  --radius: 12px;
  --font: "Sora", system-ui, sans-serif;
  --display: "Literata", Georgia, serif;
  --max: 1120px;
  --nav-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img, svg { display: block; max-width: 100%; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.86em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: rgba(11, 18, 32, 0.06);
}

/* —— Nav —— */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--nav-h);
  padding: 0.85rem clamp(1.1rem, 4vw, 2.4rem);
  background: rgba(244, 246, 249, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand { text-decoration: none; color: var(--ink); }

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.logo-text {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}

.brand-mark { flex-shrink: 0; }

.nav-links {
  display: none;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
}

.nav-links a {
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

.nav-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.84rem;
}

.nav-cta.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.nav-cta:hover { background: var(--accent-hover); }
.nav-cta.ghost:hover { border-color: var(--ink-soft); background: transparent; }

@media (min-width: 900px) {
  .nav-links { display: flex; }
}

/* —— Layout bands (divisão visual) —— */
.wrap {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0 clamp(1.1rem, 4vw, 2.4rem);
}

.wrap.narrow { max-width: 720px; }

.band {
  padding: clamp(3.5rem, 8vw, 5.5rem) 0;
  border-top: 1px solid var(--line);
}

.band-cream { background: var(--cream); }
.band-white { background: var(--white); }
.band-ink {
  background:
    radial-gradient(ellipse 70% 60% at 100% 0%, rgba(44, 82, 130, 0.28), transparent 50%),
    var(--ink);
  color: #f1f5f9;
  border-top: none;
}

.band-contact {
  background:
    linear-gradient(160deg, var(--cream-2), var(--cream) 50%, #dde5ef);
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: 640px;
  margin-bottom: 2.2rem;
}

.section-head.on-dark .lead,
.section-head.on-dark .eyebrow { color: rgba(241, 245, 249, 0.72); }

.eyebrow {
  margin: 0 0 0.7rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.band-ink .eyebrow { color: var(--gold); }

.section-head h2,
.band h2 {
  margin: 0 0 0.75rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.75rem, 3.4vw, 2.45rem);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 54ch;
}

.band-ink .lead { color: rgba(241, 245, 249, 0.72); }

.text-link {
  color: var(--accent);
  font-weight: 600;
  text-underline-offset: 0.15em;
}

/* —— Hero —— */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(3rem, 7vw, 5rem);
  background:
    radial-gradient(ellipse 90% 70% at 0% 0%, rgba(15, 45, 92, 0.08), transparent 55%),
    radial-gradient(ellipse 60% 50% at 100% 20%, rgba(44, 82, 130, 0.1), transparent 45%),
    var(--cream);
  border-bottom: 1px solid var(--line);
}

.hero-stage {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0 clamp(1.1rem, 4vw, 2.4rem);
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 960px) {
  .hero-stage {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }
}

.brand-kicker {
  margin: 0 0 0.85rem;
  font-family: var(--display);
  font-size: clamp(2.8rem, 7vw, 4.4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 0.95;
  color: var(--accent);
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.55rem, 3.2vw, 2.1rem);
  letter-spacing: -0.02em;
  line-height: 1.25;
  max-width: 18ch;
  color: var(--ink);
}

.hero-lead {
  margin: 0 0 1.5rem;
  max-width: 42ch;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-lead strong { color: var(--ink); font-weight: 600; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 0.9rem;
}

.hero-note {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
}

/* Mock portal */
.hero-panel { min-width: 0; }

.mock-portal {
  display: grid;
  grid-template-columns: 108px 1fr;
  min-height: 320px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 24px 50px rgba(11, 18, 32, 0.1);
  background: var(--white);
  animation: float-in 0.8s var(--ease) both;
}

.mock-side {
  background: var(--ink);
  color: rgba(241, 245, 249, 0.55);
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.72rem;
}

.mock-logo {
  color: #f1f5f9;
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.mock-nav {
  padding: 0.4rem 0.5rem;
  border-radius: 6px;
}

.mock-nav.is-on {
  background: rgba(241, 245, 249, 0.1);
  color: #f1f5f9;
}

.mock-main { padding: 1.1rem 1.15rem; }

.mock-label {
  margin: 0 0 0.7rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.mock-cards {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 0.85rem;
}

.mock-card {
  display: grid;
  grid-template-columns: 8px 1fr;
  gap: 0 0.65rem;
  padding: 0.65rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--cream);
}

.mock-card i {
  grid-row: span 2;
  width: 8px;
  border-radius: 99px;
  background: var(--accent);
  align-self: stretch;
}

.mock-card:nth-child(2) i { background: var(--gold); }
.mock-card:nth-child(3) i { background: #3d6b7a; }

.mock-card b {
  font-size: 0.88rem;
  font-weight: 600;
}

.mock-card em {
  font-style: normal;
  font-size: 0.75rem;
  color: var(--muted);
}

.mock-intel {
  padding: 0.75rem 0.85rem;
  border-radius: 10px;
  background: var(--ink);
  color: rgba(241, 245, 249, 0.8);
  font-size: 0.8rem;
}

.mock-intel strong {
  display: block;
  color: var(--gold);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid transparent;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: var(--white);
  color: var(--ink);
  border-color: var(--line);
}

.btn-secondary:hover { border-color: var(--ink-soft); }

.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
}

.btn-whatsapp:hover { background: #178a48; }

/* —— Features —— */
.feature-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 800px) {
  .feature-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem 2rem; }
}

.feature {
  padding: 0;
  border: none;
  background: none;
}

.feature-n {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.feature h3 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 600;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 42ch;
}

/* —— Process —— */
.process {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
  counter-reset: none;
}

@media (min-width: 800px) {
  .process { grid-template-columns: 1fr 1fr; }
}

.process li {
  padding: 1.25rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--cream);
}

.process strong {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 600;
}

.process p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* —— Plans —— */
.plan-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 900px) {
  .plan-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }
}

.plan {
  display: flex;
  flex-direction: column;
  padding: 1.4rem 1.3rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid rgba(241, 245, 249, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: #f1f5f9;
}

.plan-featured {
  background: rgba(241, 245, 249, 0.08);
  border-color: rgba(143, 163, 191, 0.55);
  box-shadow: 0 0 0 1px rgba(143, 163, 191, 0.18);
}

.plan-badge {
  margin: 0 0 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

.plan h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 600;
}

.plan-tag {
  margin: 0.25rem 0 0.9rem;
  color: rgba(241, 245, 249, 0.6);
  font-size: 0.88rem;
}

.plan ul {
  margin: 0 0 1.2rem;
  padding-left: 1.05rem;
  color: rgba(241, 245, 249, 0.72);
  font-size: 0.9rem;
  flex: 1;
}

.plan li { margin: 0.3rem 0; }

.plan-foot p {
  margin: 0.2rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.55rem;
  align-items: baseline;
}

.plan-foot strong {
  font-size: 1.02rem;
  color: #fff;
}

.plan-foot span {
  font-size: 0.8rem;
  color: rgba(241, 245, 249, 0.5);
}

.plans-note {
  margin: 1.2rem 0 0;
  font-size: 0.82rem;
  color: rgba(241, 245, 249, 0.5);
}

/* —— Diff —— */
.split {
  display: grid;
  gap: 2rem;
}

@media (min-width: 860px) {
  .split {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: start;
  }
}

.diff-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.diff-list li {
  padding: 0.95rem 1.05rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--muted);
  font-size: 0.92rem;
}

.diff-list strong {
  display: block;
  color: var(--ink);
  margin-bottom: 0.15rem;
  font-weight: 600;
}

/* —— Contact —— */
.contact-box {
  display: grid;
  gap: 1.4rem;
  padding: 2rem 1.5rem;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 18px 40px rgba(11, 18, 32, 0.06);
}

@media (min-width: 800px) {
  .contact-box { padding: 2.4rem 2.2rem; }
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.contact-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

/* —— Footer —— */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem clamp(1.1rem, 4vw, 2.4rem) 2rem;
  background: var(--cream-2);
  color: var(--muted);
  font-size: 0.86rem;
}

.site-footer-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  text-decoration: none;
  font-weight: 500;
}

.footer-links a:hover { color: var(--ink); }

@keyframes float-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .mock-portal { animation: none; }
  .btn:hover { transform: none; }
}