:root {
  color-scheme: dark;
  --bg: #0e0e10;
  --surface: #17171a;
  --surface-2: #1f1f23;
  --border: rgba(255, 255, 255, 0.1);
  --text: #f5f5f5;
  --dim: rgba(245, 245, 245, 0.66);
  --accent: #ffb547;
  --accent-ink: #1a1203;
  --radius: 14px;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme='dark']) {
    color-scheme: light;
    --bg: #fbfaf7;
    --surface: #ffffff;
    --surface-2: #f2efe8;
    --border: rgba(0, 0, 0, 0.12);
    --text: #17171a;
    --dim: rgba(23, 23, 26, 0.68);
    --accent: #b86e00;
    --accent-ink: #ffffff;
  }
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 17px;
}
a {
  color: var(--accent);
  text-underline-offset: 3px;
}
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}
.wrap {
  width: min(1040px, 100% - 32px);
  margin-inline: auto;
}
header.site {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
  color: var(--text);
  text-decoration: none;
}
.brand img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}
nav.main {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
nav.main a {
  color: var(--dim);
  text-decoration: none;
  font-size: 15px;
}
nav.main a:hover,
nav.main a[aria-current='page'] {
  color: var(--text);
}
h1 {
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.08;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
h2 {
  font-size: clamp(24px, 3.4vw, 32px);
  line-height: 1.2;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}
h3 {
  font-size: 19px;
  margin: 0 0 6px;
}
p {
  margin: 0 0 14px;
}
.lede {
  font-size: clamp(18px, 2.2vw, 21px);
  color: var(--dim);
  max-width: 60ch;
}
.hero {
  padding: clamp(40px, 8vw, 88px) 0 48px;
  display: grid;
  gap: 40px;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
}
@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
  }
}
.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
}
.btn.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
}
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--dim);
  font-size: 13px;
  margin-bottom: 18px;
}
section {
  padding: 44px 0;
}
section + section {
  border-top: 1px solid var(--border);
}
.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 22px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.card p {
  color: var(--dim);
  margin: 0;
  font-size: 16px;
}
ol.steps {
  padding-left: 0;
  list-style: none;
  counter-reset: s;
  display: grid;
  gap: 14px;
}
ol.steps li {
  counter-increment: s;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
}
ol.steps li::before {
  content: counter(s);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  display: grid;
  place-items: center;
}
/* Illustration of the dual subtitles (not a screenshot of a real video). */
.scene {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: radial-gradient(
    120% 90% at 20% 10%,
    #3a4a63 0%,
    #1b2231 45%,
    #0b0d12 100%
  );
}
.scene .subs {
  position: absolute;
  left: 6%;
  right: 6%;
  bottom: 9%;
  text-align: center;
}
.scene .subs div {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 10px;
  background: rgba(14, 14, 16, 0.78);
  color: #f5f5f5;
  margin-top: 6px;
}
.scene .en {
  font-size: clamp(15px, 2.2vw, 21px);
  font-weight: 600;
}
.scene .es {
  font-size: clamp(13px, 1.8vw, 17px);
  color: rgba(245, 245, 245, 0.72);
}
.scene .w {
  padding: 0 2px;
  border-radius: 4px;
}
.scene .w.key {
  background: rgba(255, 181, 71, 0.28);
  color: #ffb547;
}
.scene .pop {
  position: absolute;
  left: 36%;
  top: 14%;
  width: min(260px, 52%);
  background: rgba(18, 18, 20, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  padding: 12px 14px;
  color: #f5f5f5;
  font-size: 13px;
  line-height: 1.45;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.scene .pop b {
  font-size: 16px;
  color: #ffb547;
}
.scene .pop .ipa {
  color: rgba(245, 245, 245, 0.6);
  margin-left: 6px;
}
.scene .pop .star {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 10px;
  border-radius: 999px;
  background: #ffb547;
  color: #1a1203;
  font-weight: 700;
  font-size: 12px;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0 22px;
  font-size: 16px;
}
th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  color: var(--dim);
  font-weight: 600;
  font-size: 14px;
}
kbd {
  font:
    600 14px ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  white-space: nowrap;
}
details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 10px;
}
summary {
  cursor: pointer;
  font-weight: 600;
}
details p {
  margin: 10px 0 0;
  color: var(--dim);
}
.prose {
  max-width: 72ch;
}
.prose h2 {
  margin-top: 34px;
}
.prose li {
  margin-bottom: 6px;
}
.prose p,
.prose li {
  color: var(--dim);
}
.prose strong {
  color: var(--text);
}
.note {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 14px;
  color: var(--dim);
}
footer.site {
  border-top: 1px solid var(--border);
  padding: 30px 0 44px;
  color: var(--dim);
  font-size: 14px;
}
footer.site .wrap {
  display: grid;
  gap: 12px;
}
footer.site nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
footer.site a {
  color: var(--dim);
}