:root {
  --indigo: #4f46e5;
  --indigo-700: #4038c9;
  --coral: #f1614b;
  --tinta: #14131a;
  --ardosia: #6b6a78;
  --papel: #f6f6f9;
  --fio: #e3e2ea;
  --branco: #ffffff;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--papel);
  color: var(--tinta);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px;
}
a {
  color: var(--indigo);
}
header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246, 246, 249, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--fio);
}
.hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.wm {
  font-family: "Sora";
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.03em;
  color: var(--tinta);
}
.back {
  font-size: 14.5px;
  color: var(--ardosia);
  text-decoration: none;
  font-weight: 500;
}
.back:hover {
  color: var(--tinta);
}
.hero {
  padding-top: 64px;
  padding-bottom: 24px;
}
.eyebrow {
  font-family: "JetBrains Mono";
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--indigo);
  margin-bottom: 16px;
}
h1 {
  font-family: "Sora";
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 44px;
  line-height: 1.08;
}
@media (max-width: 640px) {
  h1 {
    font-size: 34px;
  }
}
.updated {
  font-family: "JetBrains Mono";
  font-size: 13px;
  color: var(--ardosia);
  margin-top: 16px;
}
.content {
  padding-top: 20px;
  padding-bottom: 80px;
}
.content h2 {
  font-family: "Sora";
  font-weight: 600;
  font-size: 23px;
  letter-spacing: -0.02em;
  margin: 44px 0 12px;
}
.content h2 .idx {
  color: var(--coral);
  font-family: "JetBrains Mono";
  font-weight: 600;
  font-size: 16px;
  margin-right: 10px;
}
.content p {
  font-size: 16.5px;
  color: #2c2b33;
  margin-bottom: 14px;
}
.content ul {
  margin: 0 0 16px 4px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.content li {
  display: flex;
  gap: 12px;
  font-size: 16px;
  color: #2c2b33;
}
.content li::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--indigo);
  margin-top: 10px;
}
.note {
  background: #fff;
  border: 1px solid var(--fio);
  border-left: 3px solid var(--coral);
  border-radius: 10px;
  padding: 16px 18px;
  font-size: 14.5px;
  color: var(--ardosia);
  margin: 22px 0;
}
.ph {
  background: rgba(241, 97, 75, 0.12);
  color: #c33f2a;
  font-family: "JetBrains Mono";
  font-size: 13.5px;
  padding: 1px 7px;
  border-radius: 5px;
}
footer {
  background: var(--tinta);
  color: #9d9caa;
  padding: 38px 0;
}
.ft {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px;
  font-size: 13px;
  line-height: 1.6;
}
.ft .wm {
  color: var(--papel);
  font-size: 20px;
}
.ft a {
  color: #b9b6ea;
}

/* ===== responsividade ===== */
h1,
h2,
.content p,
.content li {
  overflow-wrap: break-word;
}
@media (max-width: 560px) {
  .hero {
    padding-top: 44px;
    padding-bottom: 20px;
  }
  h1 {
    font-size: 31px;
  }
  .content h2 {
    font-size: 21px;
    margin: 36px 0 10px;
  }
  .content {
    padding-top: 16px;
    padding-bottom: 64px;
  }
}
@media (max-width: 400px) {
  .hd {
    padding: 0 16px;
  }
  .wrap {
    padding: 0 16px;
  }
  .wm {
    font-size: 21px;
  }
  .brand svg {
    width: 92px;
    height: auto;
  }
  .back {
    font-size: 13px;
  }
  h1 {
    font-size: 28px;
  }
}