:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --text: #18202a;
  --muted: #5e6a78;
  --line: #d8dee7;
  --shadow: 0 10px 28px rgba(15, 23, 42, 0.07);
  --radius: 18px;
  --max-width: 980px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(180deg, #f7f9fc 0%, #eef3f8 100%);
  color: var(--text);
  line-height: 1.65;
}

img,
video {
  display: block;
  max-width: 100%;
}

.container {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 44px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  margin-bottom: 20px;
}

.hero {
  padding-top: 24px;
  padding-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(1.75rem, 2.7vw, 2.3rem);
  line-height: 1.18;
}

h2 {
  margin: 0 0 16px;
  font-size: 1.28rem;
  line-height: 1.3;
}

.subtitle {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 1.05rem;
}

.lead,
.card p,
figcaption,
ul,
.footer {
  font-size: 0.98rem;
}

.lead,
.card p {
  margin: 0 0 12px;
}

.video-wrapper {
  width: 65%;
  margin: 12px auto 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #000;
}

.video-player {
  width: 100%;
  height: auto;
  background: #000;
}

.figure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 6px;
  row-gap: 0;
  width: 72%; 
  margin: 14px auto 0;
}

figure {
  margin: 0 auto;
  width: 80%;
}

figure img {
  width: 90%;
  display: block;
  margin: 0 auto;
  border-radius: 10px;
  border: none;
  background: transparent;
}

figcaption {
  width: 100%;
  margin: 10px auto 0;
  text-align: left;
  color: var(--muted);
  font-size: 0.88rem;
}

.caption {
  margin-top: 12px;
  color: var(--muted);
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.92em;
  background: #f1f4f8;
  border: 1px solid #e0e6ee;
  border-radius: 6px;
  padding: 2px 6px;
}

ul {
  margin: 0;
  padding-left: 22px;
}

li + li {
  margin-top: 8px;
}

.footer {
  text-align: center;
  color: var(--muted);
  padding: 4px 0 0;
}

.example-index {
  margin: 0;
  padding-left: 20px;
}

h3 {
  margin-top: 20px;
  margin-bottom: 10px;
}

@media (max-width: 760px) {
  .container {
    width: min(var(--max-width), calc(100% - 20px));
    padding-top: 20px;
    padding-bottom: 30px;
  }

  .card {
    padding: 18px;
    border-radius: 16px;
  }

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