:root {
  --bg: #f5f7f8; --fg: #112a33; --card: #ffffff; --primary: #1f7a6f; --on-primary: #ffffff;
  --muted: #e9eef0; --muted-fg: #52666e; --border: #d9e1e4; --ink: #12303a; --on-ink: #eef4f5;
  --serif: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d161a; --fg: #e8eff1; --card: #121d22; --primary: #5fd3c0; --on-primary: #0d1a1e;
    --muted: #16232a; --muted-fg: #9db0b7; --border: #26353c; --ink: #081014;
  }
}
:root[data-theme="dark"] {
  --bg: #0d161a; --fg: #e8eff1; --card: #121d22; --primary: #5fd3c0; --on-primary: #0d1a1e;
  --muted: #16232a; --muted-fg: #9db0b7; --border: #26353c; --ink: #081014;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
h1, h2, h3 { margin: 0; font-weight: 600; }
h1, h2 { font-family: var(--serif); letter-spacing: -0.01em; line-height: 1.15; }
h1 { font-size: clamp(2.25rem, 6vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: 1.05rem; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.wrap { max-width: 72rem; margin: 0 auto; padding: 0 1.25rem; }
.section { padding-top: 4.5rem; padding-bottom: 4.5rem; }
.section-sm { padding-top: 3.5rem; padding-bottom: 3.5rem; }
.muted { color: var(--muted-fg); }
.measure { max-width: 36rem; margin-top: 1rem; }
.lead { font-size: 1.125rem; line-height: 1.7; color: var(--muted-fg); max-width: 46rem; margin-top: 1.25rem; }
.small { font-size: 0.875rem; color: var(--muted-fg); margin-top: 1.5rem; }
.fine { font-size: 0.75rem; color: var(--muted-fg); margin-top: 1rem; max-width: 40rem; line-height: 1.6; }

.skip { position: absolute; left: -999px; top: 0; }
.skip:focus { left: 1rem; top: 1rem; z-index: 99; background: var(--primary); color: var(--on-primary); padding: 0.5rem 1rem; border-radius: 999px; }

.btn { display: inline-flex; align-items: center; justify-content: center; height: 2.75rem; padding: 0 1.5rem; border-radius: 999px; font: 600 0.9rem var(--sans); text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: opacity .15s, background .15s; }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { opacity: 0.9; }
.btn-outline { background: transparent; color: var(--fg); border-color: var(--border); }
.btn-outline:hover { background: var(--muted); }
.btn-lg { height: 3rem; padding: 0 2rem; }
.icon-btn { width: 2.5rem; height: 2.5rem; padding: 0; font-size: 1.1rem; }

header.site { position: sticky; top: 0; z-index: 40; background: var(--bg); border-bottom: 1px solid var(--border); }
.bar { display: flex; align-items: center; justify-content: space-between; height: 4rem; }
.bar-end { display: flex; align-items: center; gap: 0.75rem; }
.logo { display: inline-flex; align-items: center; gap: 0.5rem; text-decoration: none; font: 600 1.25rem var(--serif); }
/* Brand mark: shows the logo file /icon.svg in place of the old inline svg (same 28x28 size and position) */
.logo svg { display: none; }
.logo::before { content: ""; flex: none; width: 28px; height: 28px; background: url("/icon.svg") center / contain no-repeat; }
.nav { display: none; gap: 2rem; font-size: 0.9rem; font-weight: 500; color: var(--muted-fg); }
.nav a { text-decoration: none; }
.nav a:hover { color: var(--fg); }
.hide-sm { display: none; }
@media (min-width: 768px) { .nav { display: flex; } }
@media (min-width: 640px) { .hide-sm { display: inline-flex; } }

.hero { display: grid; gap: 3rem; align-items: center; padding-top: 3.5rem; }
@media (min-width: 900px) { .hero { grid-template-columns: 1fr 1fr; padding-top: 5rem; } }
.actions { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 2rem; }
@media (min-width: 640px) { .actions { flex-direction: row; } }
.hero-art { background: var(--ink); border-radius: 1.25rem; padding: 1.5rem; }
.hero-art svg { width: 100%; height: auto; display: block; }
.art-note { text-align: center; font-size: 0.85rem; color: rgba(238, 244, 245, 0.7); margin-top: 1rem; }
.draw { stroke-dasharray: var(--len); animation: draw 1.6s ease-out 0.3s both; }
.draw.d2 { animation-delay: 0.55s; }
.draw.d3 { animation-delay: 0.8s; }
@keyframes draw { from { stroke-dashoffset: var(--len); } to { stroke-dashoffset: 0; } }

.band { border-top: 1px solid var(--border); }
.band-muted { background: var(--muted); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.facts { display: grid; gap: 1.5rem 2.5rem; margin: 2.5rem 0 0; }
@media (min-width: 640px) { .facts { grid-template-columns: 1fr 1fr; } }
.facts > div { border-left: 2px solid var(--primary); padding-left: 1rem; }
.facts dt { font-size: 0.9rem; font-weight: 600; }
.facts dd { margin: 0.25rem 0 0; font-size: 0.9rem; color: var(--muted-fg); }

.steps { list-style: none; margin: 3rem 0 0; padding: 0; display: grid; gap: 2rem; }
@media (min-width: 640px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.steps li { border-left: 2px solid var(--primary); padding-left: 1.25rem; }
.step-n { font: 0.9rem var(--serif); color: var(--primary); }
.steps h3 { margin-top: 0.25rem; font-size: 1.1rem; }
.steps p { margin-top: 0.5rem; font-size: 0.9rem; color: var(--muted-fg); }

.grid3 { list-style: none; padding: 0; margin: 3rem 0 0; display: grid; gap: 1.25rem; }
@media (min-width: 640px) { .grid3 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .grid3 { grid-template-columns: repeat(3, 1fr); } }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 1.25rem; padding: 1.5rem; }
.card p { margin-top: 0.5rem; font-size: 0.9rem; color: var(--muted-fg); line-height: 1.65; }

.plans { align-items: stretch; }
.plan { display: flex; flex-direction: column; }
.plan.featured { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); }
.price { font: 600 2.5rem var(--serif); margin-top: 0.75rem; color: var(--fg); }
.plan .price { font-size: 2.5rem; }
.price span { font: 400 1rem var(--sans); color: var(--muted-fg); }
.plan .muted { margin-top: 0.25rem; font-size: 0.9rem; }
.ticks { list-style: none; padding: 0; margin: 1.5rem 0 2rem; flex: 1; font-size: 0.9rem; }
.ticks li { position: relative; padding-left: 1.5rem; margin-bottom: 0.75rem; }
.ticks li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 700; }
.plan .btn { width: 100%; }

.faq { max-width: 48rem; margin-top: 2.5rem; border-top: 1px solid var(--border); }
.faq details { border-bottom: 1px solid var(--border); padding: 1.25rem 0; }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 1rem; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary h3 { font-size: 1rem; }
.faq summary::after { content: "+"; color: var(--primary); font-size: 1.4rem; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: 0.75rem; font-size: 0.9rem; color: var(--muted-fg); max-width: 42rem; line-height: 1.7; }

.cta-wrap { padding-bottom: 5rem; }
.cta { background: var(--ink); color: var(--on-ink); border-radius: 1.25rem; padding: 3.5rem 1.5rem; text-align: center; }
.cta p { margin: 1rem auto 2rem; color: rgba(238, 244, 245, 0.7); max-width: 28rem; }
.cta .btn-primary { background: #5fd3c0; color: #0d1a1e; }

.site-footer { border-top: 1px solid var(--border); padding: 3rem 0 2rem; }
.site-footer .muted { margin-top: 1rem; font-size: 0.9rem; }

.center-page { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 1.5rem; }
.center-page p { margin: 1rem 0 2rem; color: var(--muted-fg); max-width: 28rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}