/* Kerfly website. Colours from the logo: dark slate, laser orange. */
:root {
  --ink: #1d232c;
  --muted: #5b6573;
  --line: #dfe3e8;
  --soft: #f4f6f8;
  --dark: #1f2633;
  --laser: #e8541e;
  --laser-dark: #c2410c;
  --link: #b8430f;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", Ubuntu, sans-serif;
  color: var(--ink);
  background: #fff;
}
a { color: var(--link); }
a:hover { color: var(--laser-dark); }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }
main.wrap { padding-top: 24px; padding-bottom: 48px; }

/* header */
.site-header { background: var(--dark); color: #fff; }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700; font-size: 20px; }
.site-header nav { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-left: auto; }
.site-header nav a { color: #d7dde5; text-decoration: none; font-size: 15px; padding: 6px 0; }
.site-header nav a:hover { color: #fff; }
.site-header nav a.lang { color: #ffb38a; }

/* footer */
.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 20px 0 32px; }

/* text */
h1, h2, h3 { line-height: 1.25; }
h1 { font-size: 34px; margin: 8px 0 16px; }
h2 { font-size: 24px; margin-top: 40px; padding-top: 8px; border-top: 1px solid var(--line); }
h3 { font-size: 18px; margin-top: 28px; }
img { max-width: 100%; height: auto; }
main img { border-radius: 6px; }
main p > img, main li > img { border: 1px solid var(--line); }
code { background: var(--soft); padding: 1px 5px; border-radius: 4px; font-size: 0.92em; }
pre { background: var(--soft); padding: 12px 14px; border-radius: 6px; overflow-x: auto; }
pre code { padding: 0; background: none; }
blockquote { margin: 16px 0; padding: 10px 16px; background: #fff4ec; border-left: 4px solid var(--laser); border-radius: 0 6px 6px 0; }
blockquote p { margin: 6px 0; }
table { border-collapse: collapse; width: 100%; margin: 12px 0 20px; font-size: 15px; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: 7px 10px; text-align: left; vertical-align: top; }
th { background: var(--soft); }

/* home page */
.hero { display: flex; gap: 28px; align-items: center; padding: 28px 0 8px; }
.hero img { flex: 0 0 auto; width: 120px; height: 120px; border-radius: 0; }
.hero h1 { font-size: 40px; margin: 0 0 6px; }
.hero p { margin: 0; font-size: 19px; color: var(--muted); }
.buttons { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0 8px; }
.button { display: inline-block; padding: 10px 18px; border-radius: 8px; text-decoration: none; font-weight: 600; border: 1px solid var(--line); color: var(--ink); background: #fff; }
.button.primary { background: var(--laser); border-color: var(--laser); color: #fff; }
.button.primary:hover { background: var(--laser-dark); color: #fff; }
.button:hover { border-color: var(--laser); }
.shot { margin: 24px 0; }
.shot img { border: 1px solid var(--line); box-shadow: 0 6px 24px rgba(20, 30, 45, 0.12); }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 16px; margin: 16px 0; }
.feature { background: var(--soft); border-radius: 10px; padding: 14px 18px; }
.feature h3 { margin: 4px 0 6px; font-size: 17px; }
.feature p { margin: 0; color: #39424e; font-size: 15px; }
.steps li { margin: 6px 0; }

@media (max-width: 640px) {
  .hero { flex-direction: column; align-items: flex-start; gap: 12px; }
  .hero img { width: 84px; height: 84px; }
  .hero h1 { font-size: 32px; }
  h1 { font-size: 28px; }
  .site-header nav { margin-left: 0; }
}