:root {
  --brand-primary: #dfff38;
  --brand-background: #171d1b;
  --brand-card: #232927;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  background-color: var(--brand-background);
  color: #ffffff;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  line-height: 1.5;
  font-size: 1.125rem; /* 18px para melhor leitura */
}

a {
  text-decoration: none;
}

header {
  width: 100%;
  max-width: 896px; /* 4xl */
  padding: 24px; /* p-6 */
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-sizing: border-box;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px; /* gap-3 */
}

.logo-img {
  height: 40px; /* h-10 */
}

.nav-link {
  color: var(--brand-primary);
  font-weight: bold;
  font-size: 1.25rem; /* text-xl */
}

.nav-link:hover {
  text-decoration: underline;
}

main {
  width: 100%;
  max-width: 672px; /* 2xl */
  padding: 48px 24px; /* py-12 px-6 */
  display: flex;
  flex-direction: column;
  gap: 40px; /* gap-10 */
  text-align: center;
  box-sizing: border-box;
}

.hero-section {
  display: flex;
  flex-direction: column;
  gap: 24px; /* gap-6 */
}

h1 {
  font-size: 2.25rem; /* text-4xl */
  font-weight: 900; /* font-black */
  color: var(--brand-primary);
  line-height: 1.2; /* leading-tight */
  margin: 0;
}

@media (min-width: 768px) {
  h1 {
    font-size: 3rem; /* text-5xl */
  }
}

.hero-p {
  font-size: 1.25rem; /* text-xl */
  color: #d1d5db; /* text-gray-300 */
  margin: 0;
}

@media (min-width: 768px) {
  .hero-p {
    font-size: 1.5rem; /* text-2xl */
  }
}

.cta-button {
  display: inline-block;
  width: 100%;
  background-color: var(--brand-primary);
  color: #000000;
  font-weight: 900;
  font-size: 1.875rem; /* text-3xl */
  padding: 32px 24px; /* py-8 px-6 */
  border-radius: 16px; /* rounded-2xl */
  box-shadow: 0 10px 0 0 #9db228;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.05em; /* tracking-wider */
  box-sizing: border-box;
}

.cta-button:hover {
  transform: translateY(4px);
  box-shadow: 0 6px 0 0 #9db228;
}

.cta-sub {
  margin-top: 16px;
  color: #9ca3af; /* text-gray-400 */
  font-style: italic;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px; /* gap-6 */
  text-align: left;
}

.feature-card {
  background-color: var(--brand-card);
  padding: 24px; /* p-6 */
  border-radius: 12px; /* rounded-xl */
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  gap: 16px; /* gap-4 */
  align-items: flex-start;
}

.feature-icon {
  color: var(--brand-primary);
  font-size: 2.25rem; /* text-4xl */
  line-height: 1;
}

.feature-title {
  font-weight: bold;
  font-size: 1.5rem; /* text-2xl */
  color: #ffffff;
  margin: 0 0 8px 0;
}

.feature-desc {
  font-size: 1.125rem; /* text-lg */
  color: #9ca3af; /* text-gray-400 */
  margin: 0;
}

.steps-section {
  background-color: rgba(255, 255, 255, 0.05);
  padding: 32px; /* p-8 */
  border-radius: 24px; /* rounded-3xl */
  border: 1px solid rgba(223, 255, 56, 0.2);
}

.steps-title {
  font-size: 1.875rem; /* text-3xl */
  font-weight: bold;
  color: var(--brand-primary);
  margin-bottom: 32px;
  text-decoration: underline;
  text-decoration-color: rgba(223, 255, 56, 0.3);
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 24px; /* gap-6 */
  text-align: left;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 24px; /* gap-6 */
}

.step-number {
  background-color: var(--brand-primary);
  color: #000000;
  font-weight: bold;
  height: 48px;
  width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.5rem; /* text-2xl */
  flex-shrink: 0;
}

.step-text {
  font-size: 1.25rem; /* text-xl */
  margin: 0;
}

footer {
  width: 100%;
  margin-top: auto;
  background-color: rgba(0, 0, 0, 0.4);
  padding: 40px 24px; /* py-10 px-6 */
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  box-sizing: border-box;
}

.footer-content {
  max-width: 896px; /* 4xl */
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px; /* gap-6 */
  align-items: center;
}

.footer-logo {
  height: 32px; /* h-8 */
  opacity: 0.7;
}

.footer-disclaimer {
  color: #6b7280; /* text-gray-500 */
  font-size: 1rem; /* text-base */
  margin: 0;
}

.badges {
  display: flex;
  gap: 16px; /* gap-4 */
}

.badge {
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 4px 12px; /* py-1 px-3 */
  border-radius: 4px;
  font-size: 0.875rem; /* text-sm */
  color: #9ca3af; /* text-gray-400 */
  font-weight: bold;
}