:root {
  --bg: #fff8ee;
  --surface: #ffffff;
  --surface-soft: #fff1df;
  --ink: #0b4e74;
  --muted: #4e6980;
  --accent: #f09a00;
  --accent-deep: #d67a00;
  --line: #dfebf3;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 0%, #ffe8bf 0, #fff8ee 32%),
    radial-gradient(circle at 100% 100%, #dceffc 0, #fff8ee 40%);
  line-height: 1.65;
}

a {
  color: var(--ink);
  text-decoration: none;
}

a:hover { text-decoration: underline; }

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

header {
  padding: 3rem 0 1.25rem;
}

.hero {
  padding: 2.2rem;
  border-radius: 24px;
  border: 1px solid #ffd9a5;
  background: linear-gradient(140deg, #ffffff 0%, #fff2dd 50%, #eaf5ff 100%);
  box-shadow: 0 20px 45px rgba(17, 91, 130, 0.14);
}

h1 {
  margin: 0 0 .5rem;
  font-size: clamp(2rem, 4.3vw, 3.2rem);
  color: #0a4a70;
}

h2 {
  margin: 0 0 .75rem;
  font-size: 1.45rem;
  color: #0a4a70;
}

h3 {
  margin: 0 0 .65rem;
  font-size: 1.15rem;
  color: #0a4a70;
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.cta {
  display: inline-block;
  margin-top: .6rem;
  padding: .7rem 1.1rem;
  border-radius: 12px;
  background: var(--accent);
  color: #1f2633;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(240, 154, 0, .35);
}

.badges {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

section {
  margin: 1.35rem 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: 0 10px 28px rgba(10, 74, 112, 0.07);
}

.section-soft {
  background: var(--surface-soft);
  border-color: #ffdcb0;
}

code, pre {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

pre {
  margin: 0;
  padding: 1rem;
  overflow-x: auto;
  background: #0c4f75;
  color: #fff6ea;
  border-radius: 14px;
}

.cmd-blocks {
  display: grid;
  gap: .95rem;
}

.visual {
  width: 100%;
  border-radius: 16px;
  border: 1px solid #f0cf9f;
  background: #fff;
}

.visual-block {
  margin: 1rem 0 1.4rem;
  padding: .8rem;
  border: 1px solid #f4d4ab;
  border-radius: 16px;
  background: #fffefb;
}

.visual-block p {
  margin: .75rem .35rem .2rem;
}

.stack-list {
  margin: 0;
  padding-left: 1.1rem;
}

.stack-list li {
  margin-bottom: .4rem;
  color: var(--muted);
}

footer {
  padding: 1rem 0 2.4rem;
  text-align: center;
  color: var(--muted);
}