/* Mark9x — light minimal palette (ii.inc-inspired), fly.io-style layout */

:root {
  --bg: #fafaf7;
  --bg-alt: #f1f0ea;
  --ink: #15140f;
  --ink-soft: #56544c;
  --line: #e4e2d9;
  --accent: #1a1a1a;
  --accent-soft: #2e2c26;
  --max: 1080px;
  --radius: 14px;
  --sans: "Inter", -apple-system, system-ui, sans-serif;
  --serif: "Source Serif 4", Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ------------------------------------------------------------- nav */

.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 247, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.wordmark {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.wordmark span { color: var(--ink-soft); }

.nav-links {
  display: flex;
  gap: 24px;
  flex: 1;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.15s;
}

.nav-links a:hover { color: var(--ink); }

/* ------------------------------------------------------------- buttons */

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: transform 0.12s, background 0.15s, color 0.15s;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-soft); }

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--ink-soft); }

.btn-lg { padding: 14px 28px; font-size: 16px; }

/* ------------------------------------------------------------- hero */

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 110px 24px 90px;
  text-align: center;
}

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(40px, 6.5vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin-bottom: 24px;
}

.lede {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 auto 36px;
}

.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ------------------------------------------------------------- sections */

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 80px 24px;
}

.section-alt {
  max-width: none;
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-alt .split {
  max-width: var(--max);
  margin: 0 auto;
}

.section-title {
  font-size: 32px;
  letter-spacing: -0.02em;
  margin-bottom: 36px;
  text-align: center;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.15s, box-shadow 0.15s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(21, 20, 15, 0.07);
}

.card h3 { margin-bottom: 10px; font-size: 19px; letter-spacing: -0.01em; }
.card p { color: var(--ink-soft); font-size: 15px; }

.split {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: start;
}

.split h2 { font-size: 30px; letter-spacing: -0.02em; margin-bottom: 14px; }
.split p { color: var(--ink-soft); }

.steps { list-style: none; counter-reset: step; }

.steps li {
  counter-increment: step;
  padding: 20px 0 20px 56px;
  position: relative;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}

.steps li strong { color: var(--ink); }

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}

.cta-band { text-align: center; }
.cta-band h2 { font-size: 36px; letter-spacing: -0.02em; margin-bottom: 12px; }
.cta-band p { color: var(--ink-soft); margin-bottom: 28px; }

/* ------------------------------------------------------------- pages */

.page-head {
  max-width: var(--max);
  margin: 0 auto;
  padding: 90px 24px 10px;
}

.page-head h1 {
  font-size: clamp(34px, 5vw, 52px);
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}

.page-head .lede { margin: 0; max-width: 640px; }

.prose { max-width: 680px; }
.prose h2 { font-size: 26px; letter-spacing: -0.02em; margin: 40px 0 14px; }
.prose p { color: var(--ink-soft); font-size: 17px; margin-bottom: 18px; }
.prose p.lede { font-size: 20px; font-family: var(--serif); }

.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  max-width: 480px;
  display: grid;
  gap: 22px;
  font-size: 16px;
}

.contact-card a { text-decoration: underline; text-underline-offset: 3px; }

/* ------------------------------------------------------------- blog */

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.post-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.15s, box-shadow 0.15s;
}

.post-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(21, 20, 15, 0.07);
}

.post-card .eyebrow { margin-bottom: 0; }
.post-card h3 { font-size: 19px; letter-spacing: -0.01em; }
.post-card p { color: var(--ink-soft); font-size: 14.5px; flex: 1; }
.readmore { font-weight: 600; font-size: 14px; }

.post {
  max-width: 680px;
  margin: 0 auto;
  padding: 90px 24px 80px;
}

.post h1 {
  font-size: clamp(30px, 4.5vw, 44px);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  line-height: 1.12;
}

.post-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

/* ------------------------------------------------------------- footer */

.footer {
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
  margin-top: 40px;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px 24px 32px;
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
}

.footer-tag { color: var(--ink-soft); font-size: 14px; margin-top: 10px; max-width: 280px; }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.footer-col { display: flex; flex-direction: column; gap: 10px; }

.footer-col h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin-bottom: 4px;
}

.footer-col a { font-size: 15px; color: var(--ink-soft); }
.footer-col a:hover { color: var(--ink); }

.footer-legal {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 32px;
  font-size: 13px;
  color: var(--ink-soft);
}

/* ------------------------------------------------------------- mobile */

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav { justify-content: space-between; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 70px 24px 60px; }
  .section { padding: 56px 24px; }
}