:root {
  color-scheme: light;
  --container: 1200px;
  --gutter: clamp(16px, 4vw, 32px);
  --header-h: 72px;
  --bg: #ffffff;
  --bg-secondary: #ffffff;
  --bg-alt: #fafafa;
  --text: #0a0a0a;
  --muted: #525252;
  --primary: #0a0a0a;
  --primary-dark: #000000;
  --border: #e5e5e5;
  --card: #ffffff;
  --shadow: 0 10px 30px rgba(10, 10, 10, 0.06);
  --shadow-hover: 0 16px 40px rgba(10, 10, 10, 0.1);
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 16px;
}

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

body {
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

html {
  scroll-behavior: smooth;
}

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

a:hover,
a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

img {
  max-width: 100%;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

p {
  color: var(--text);
  font-size: 1rem;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  min-height: var(--header-h);
}

.container {
  max-width: var(--container);
  width: 100%;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 18px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 32px; /* ajuste conforme sua logo */
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 20px;
  align-items: center;
}

.nav-cta {
  padding: 10px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.nav-cta:hover {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 18px;
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  padding-top: calc(var(--header-h) + clamp(48px, 8vh, 96px));
  padding-bottom: clamp(64px, 10vh, 120px);
  overflow: hidden;
  scroll-margin-top: calc(var(--header-h) + 16px);
  scroll-snap-align: start;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(0, 0, 0, 0.06), transparent 50%),
    radial-gradient(circle at 80% 0%, rgba(0, 0, 0, 0.04), transparent 45%),
    linear-gradient(135deg, rgba(0, 0, 0, 0.03), transparent 70%);
  opacity: 0.6;
  pointer-events: none;
}

.hero-content {
  position: relative;
  display: grid;
  gap: 28px;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(2.6rem, 4vw, 4rem);
  max-width: 760px;
  line-height: 1.1;
}

.hero p {
  font-size: 1.1rem;
  max-width: 720px;
  color: var(--muted);
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border-radius: var(--radius-lg);
  font-weight: 600;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

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

.btn.primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

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

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

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  padding-top: 12px;
  color: var(--muted);
}

.hero-metrics strong {
  display: block;
  font-size: 18px;
  color: var(--text);
}

.section {
  min-height: calc(100vh - var(--header-h));
  padding-block: clamp(72px, 10vh, 120px);
  scroll-margin-top: calc(var(--header-h) + 16px);
  scroll-snap-align: start;
}

.section.alt {
  background: var(--bg-alt);
}

.section-header {
  display: grid;
  gap: 16px;
  max-width: 780px;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
}

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

.about-grid,
.product-grid,
.modules-grid,
.feature-grid {
  display: grid;
  gap: 24px;
}

.product-grid,
.modules-grid,
.feature-grid,
.steps {
  grid-template-columns: 1fr;
}

.card,
.module-card,
.feature,
.highlight-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover,
.module-card:hover,
.feature:hover,
.highlight-card:hover,
.step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.module-card ul {
  margin-top: 16px;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 8px;
}

.steps {
  display: grid;
  gap: 20px;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step span {
  font-weight: 700;
  color: var(--text);
  font-size: 1.1rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.checklist {
  margin: 20px 0 24px;
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.checklist li {
  list-style: none;
  position: relative;
  padding-left: 24px;
}

.checklist li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--text);
}

.highlight-card {
  background: var(--bg-alt);
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 18px;
  margin-top: 20px;
  color: var(--muted);
}

.highlight-grid strong {
  display: block;
  color: var(--text);
}

.feature-grid {
  grid-template-columns: 1fr;
}

.contact-form {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 32px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: grid;
  gap: 20px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 500;
  font-size: 14px;
}

input,
select,
textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  background: #fff;
  color: var(--text);
  font-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--primary) 30%, transparent);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.06);
}

.footer {
    scroll-snap-align: start;
  }

.footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  scroll-snap-align: start; /* ajuda a chegar no footer mesmo com snap */
}

.footer-top {
  padding-block: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: center;
}

.footer-brand p {
  color: var(--muted);
  margin-top: 8px;
}

.footer-links {
  display: flex;
  gap: 16px;
  align-items: center;
}

.footer a {
  color: var(--text);
  font-weight: 500;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-block: 18px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}


@media (min-width: 720px) {
  .product-grid,
  .modules-grid,
  .feature-grid,
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-links {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (min-width: 900px) {
  .split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  html {
    scroll-snap-type: y proximity;
  }

  

  .product-grid,
  .modules-grid,
  .feature-grid,
  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1280px) {
  .product-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.footer a {
  color: var(--text);
  font-weight: 500;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: #fff;
}

.badge.invert {
  background: var(--text);
  color: #fff;
  border-color: var(--text);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.u-mt-0 {
  margin-top: 0;
}

.u-mt-16 {
  margin-top: 16px;
}

.u-mt-24 {
  margin-top: 24px;
}

.u-mt-40 {
  margin-top: 40px;
}

.u-mb-0 {
  margin-bottom: 0;
}

.u-mb-16 {
  margin-bottom: 16px;
}

.u-mb-24 {
  margin-bottom: 24px;
}

.u-mb-40 {
  margin-bottom: 40px;
}

.u-p-16 {
  padding: 16px;
}

.u-p-24 {
  padding: 24px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .nav-links {
    position: absolute;
    top: var(--header-h);
    right: var(--gutter);
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    flex-direction: column;
    padding: 16px;
    gap: 12px;
    display: none;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .footer-links {
    text-align: left;
  }
}

@media (max-width: 600px) {
  .hero {
    padding-top: 100px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn {
    width: 100%;
  }

  .step {
    grid-template-columns: 1fr;
  }
}

.form-success,
.form-error {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: 12px;
  font-weight: 500;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.form-success {
  background: color-mix(in srgb, #16a34a 10%, #ffffff);
}

.form-error {
  background: color-mix(in srgb, #dc2626 10%, #ffffff);
}

.form-success[hidden],
.form-error[hidden] {
  display: none;
}

.form-success,
.form-error {
  animation: formFadeIn 240ms ease;
}

@keyframes formFadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}