/* ============================================================
   LAYOUT — Container, navbar e seções
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  position: relative;
  padding: 64px 0;
}

section.tight { padding: 48px 0; }

/* ---------- Navbar ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  background: transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(8, 11, 18, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--border);
}

.nav-inner {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo {
  font-family: var(--font-d);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.logo-mark {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: var(--cyan);
  filter: drop-shadow(0 0 6px var(--cyan-glow));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-family: var(--font-b);
  font-weight: 400;
  font-size: 0.94rem;
  color: var(--muted-2);
  transition: color 0.2s var(--ease);
  position: relative;
}

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

.nav-cta { display: flex; align-items: center; gap: 12px; }

@media (max-width: 760px) {
  .nav-links { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + 72px);
  padding-bottom: 64px;
  overflow: hidden;
}

.hero::before {
  /* grid pattern */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: center center;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 40%, transparent 80%);
  pointer-events: none;
}

.hero::after {
  /* glow */
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 40% at 50% 25%, var(--cyan-glow), transparent 60%);
  opacity: 0.18;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  margin: 24px 0 18px;
}

.hero-sub {
  font-family: var(--font-b);
  font-weight: 300;
  font-size: clamp(1.05rem, 1.4vw + 0.7rem, 1.35rem);
  color: var(--muted-2);
  max-width: 700px;
  margin: 0 auto 36px;
  line-height: 1.55;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- Section heading ---------- */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 40px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-m);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 6px 14px;
  border: 1px solid var(--cyan-bdr);
  border-radius: 999px;
  background: var(--cyan-dim);
  margin-bottom: 16px;
}

.section-head p {
  color: var(--muted-2);
  font-size: 1.05rem;
  margin-top: 16px;
}

/* ---------- Como funciona — 3 cards ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 880px) { .steps { grid-template-columns: 1fr; } }

/* ---------- Funcionalidades ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 880px) { .features { grid-template-columns: 1fr; } }

/* ---------- Preview do dashboard ---------- */
.preview {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 56px;
}

@media (max-width: 960px) {
  .preview { grid-template-columns: 1fr; gap: 40px; }
}

.preview-text h2 { margin-bottom: 20px; }
.preview-text p {
  color: var(--muted-2);
  font-size: 1.05rem;
  margin-bottom: 14px;
}

/* ---------- CTA Final ---------- */
.cta-final {
  text-align: center;
  background:
    radial-gradient(ellipse 60% 100% at 50% 0%, var(--cyan-dim), transparent 70%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 56px 24px;
  max-width: 920px;
  margin: 0 auto;
}

.cta-final h2 { margin-bottom: 14px; }
.cta-final p { color: var(--muted-2); margin-bottom: 28px; }

.lead-form {
  display: flex;
  gap: 10px;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.lead-form input {
  flex: 1 1 220px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-b);
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.lead-form input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}

.form-msg {
  margin-top: 14px;
  font-family: var(--font-m);
  font-size: 0.86rem;
  min-height: 1.2em;
}
.form-msg.ok { color: var(--green); }
.form-msg.err { color: var(--red); }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 56px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--muted-2);
  transition: color 0.2s var(--ease);
}
.footer-links a:hover { color: var(--cyan); }