:root {
  --paper: #f5f2ea;
  --paper-2: #ece7da;
  --ink: #121212;
  --ink-soft: #4a4740;
  --line: #d9d2c1;
  --accent: #ffd43b;
  --ok: #1f9d55;
  --radius: 22px;
  --sans: "Lexend", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--paper-2);
  padding: 0.1em 0.4em;
  border-radius: 6px;
}

/* The logo PNGs have a white background: multiply drops it on light paper. */
.ink { mix-blend-mode: multiply; }

.wrap {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 { line-height: 1.1; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; max-width: 18ch; }
h3 { font-size: 1.15rem; font-weight: 600; }

.hl {
  background: linear-gradient(transparent 58%, var(--accent) 58%, var(--accent) 92%, transparent 92%);
  padding: 0 0.08em;
}

.lede { font-size: 1.15rem; color: var(--ink-soft); max-width: 54ch; margin: 24px 0 0; }

.kicker,
.eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0 0 16px;
  color: var(--ink-soft);
}
.eyebrow { display: inline-flex; align-items: center; gap: 10px; }
.dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(31, 157, 85, 0.5);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 9px rgba(31, 157, 85, 0); }
  100% { box-shadow: 0 0 0 0 rgba(31, 157, 85, 0); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-weight: 600;
  padding: 14px 24px;
  border-radius: 999px;
  border: 2px solid var(--ink);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--accent); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { box-shadow: 4px 4px 0 var(--ink); }
.btn-small { padding: 8px 18px; font-size: 0.9rem; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(245, 242, 234, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 1.3rem; letter-spacing: -0.02em; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) { text-decoration: none; font-size: 0.95rem; color: var(--ink-soft); }
.nav-links a:not(.btn):hover { color: var(--ink); }

/* Hero */
.hero { padding: 88px 0 110px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center; }
.cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

.hero-art { position: relative; display: flex; flex-direction: column; align-items: center; }
.hero-mark {
  width: min(280px, 70%);
  animation: peek 4.5s ease-in-out infinite;
  transform-origin: 50% 100%;
}
@keyframes peek {
  0%, 100% { transform: translateY(0) rotate(0); }
  45% { transform: translateY(-10px) rotate(-3deg); }
  55% { transform: translateY(-10px) rotate(3deg); }
}

.log {
  width: 100%;
  max-width: 440px;
  margin-top: -18px;
  background: var(--ink);
  color: #e9e5da;
  border-radius: 16px;
  box-shadow: 8px 8px 0 var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  overflow: hidden;
  position: relative;
}
.log-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid #2a2a2a; }
.log-bar i { width: 10px; height: 10px; border-radius: 50%; background: #3a3a3a; }
.log-bar span { margin-left: auto; color: #8a867c; }
.log ol { list-style: none; margin: 0; padding: 14px 16px 16px; display: grid; gap: 10px; }
.log li {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 12px;
  opacity: 0;
  animation: appear 0.5s ease forwards;
  animation-delay: calc(0.4s + var(--d) * 0.9s);
}
.log li em { grid-column: 2; font-style: normal; color: #8a867c; }
.log .t { color: #6d6a62; }
.log b { font-weight: 600; color: #fff; }
.log b.ok { color: #5fd38d; }
@keyframes appear { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* Sections */
.section { padding: 110px 0; border-top: 1px solid var(--line); }

.steps {
  list-style: none;
  padding: 0;
  margin: 56px 0 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.steps li {
  position: relative;
  background: #fff;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.steps li p { color: var(--ink-soft); margin: 10px 0 0; font-size: 0.95rem; }
.num {
  display: inline-grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--ink);
  font-weight: 700;
  margin-bottom: 18px;
}

/* Dark safety block */
.dark { background: var(--ink); color: var(--paper); border-top: none; }
.dark .kicker { color: #9a968b; }
.dark .lede { color: #c2bdb0; }
.dark code { background: #262626; color: #f1ede3; }
.safety-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: start; }
.safety-mark { filter: invert(1); mix-blend-mode: screen; margin-top: 48px; width: 180px; opacity: 0.95; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 32px 28px; }
.checks li { border-top: 2px solid #333; padding-top: 18px; }
.checks h3 { display: flex; align-items: center; gap: 10px; }
.checks h3::before {
  content: "";
  width: 18px; height: 18px; flex: none;
  border-radius: 50%;
  background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%23121212' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 14px no-repeat;
}
.checks p { color: #b5b0a3; font-size: 0.95rem; margin: 8px 0 0; }

/* Under the hood */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 56px; }
.card { background: var(--paper-2); border-radius: var(--radius); padding: 28px 24px; }
.card p { color: var(--ink-soft); font-size: 0.95rem; margin: 10px 0 0; }
.card code { background: var(--paper); }

.config {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 40px;
  align-items: center;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 36px;
  background: #fff;
}
.config-copy p { color: var(--ink-soft); margin: 10px 0 0; }
.code {
  margin: 0;
  background: var(--ink);
  color: #e9e5da;
  border-radius: 14px;
  padding: 22px 24px;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.75;
  overflow-x: auto;
}
.code code { background: none; padding: 0; font-size: inherit; color: inherit; }
.code .c { color: #77736a; }
.code .k { color: var(--accent); }
.code .p { color: #5fd38d; }

/* Closing */
.closing { text-align: center; background: var(--accent); border-top: 2px solid var(--ink); }
.closing-inner { display: flex; flex-direction: column; align-items: center; gap: 28px; }
.closing img { width: 220px; }
.closing h2 { max-width: 20ch; }
.closing .btn:hover { box-shadow: 4px 4px 0 var(--paper); }

/* Footer */
.footer { background: var(--ink); color: #9a968b; font-size: 0.9rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; padding-top: 28px; padding-bottom: 28px; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--paper); }

/* Let grid items shrink below their content width (long code lines scroll instead). */
.hero-grid > *, .safety-grid > *, .config > *, .steps > *, .cards > *, .checks > * { min-width: 0; }
.steps code, .checks code { overflow-wrap: anywhere; }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid, .safety-grid, .config { grid-template-columns: 1fr; }
  .steps, .cards { grid-template-columns: 1fr 1fr; }
  .hero { padding: 56px 0 80px; }
  .safety-mark { display: none; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .nav-links a:not(.btn) { display: none; }
  .steps, .cards, .checks { grid-template-columns: 1fr; }
  .section { padding: 80px 0; }
  .config { padding: 20px; }
  .log { font-size: 0.72rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .log li { opacity: 1; }
  html { scroll-behavior: auto; }
}