:root {
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --ink: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --bg-soft: #f9fafb;
  --danger: #b91c1c;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --success: #15803d;
  --success-bg: #f0fdf4;
  --radius: .6rem;
}

* { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  margin: 0;
  line-height: 1.55;
}

.wrap { max-width: 68rem; margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: 30rem; margin: 0 auto; padding: 0 1.25rem; }

nav.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 0; border-bottom: 1px solid var(--border);
}
nav.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
nav.top .brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
nav.top .brand img { height: 30px; }
nav.top .nav-right { display: flex; align-items: center; }
nav.top a.nav-link { color: var(--muted); text-decoration: none; font-size: .95rem; margin-left: 1.5rem; }
nav.top a.nav-link:hover { color: var(--ink); }
nav.top a.nav-signin { margin-left: 1.5rem; }

nav.top .nav-menu { display: none; position: relative; }
nav.top .nav-menu summary { list-style: none; cursor: pointer; font-size: 1.3rem; line-height: 1; padding: .35rem .55rem; border-radius: var(--radius); color: var(--ink); }
nav.top .nav-menu summary::-webkit-details-marker { display: none; }
nav.top .nav-menu[open] summary { background: var(--bg-soft); }
nav.top .nav-menu-panel {
  position: absolute; right: 0; top: calc(100% + .6rem); background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: .4rem; display: flex; flex-direction: column; min-width: 11rem;
  box-shadow: 0 10px 30px rgba(17, 24, 39, .1); z-index: 20;
}
nav.top .nav-menu-panel a { padding: .6rem .7rem; color: var(--ink); text-decoration: none; border-radius: .4rem; font-size: .95rem; }
nav.top .nav-menu-panel a:hover { background: var(--bg-soft); }

.btn {
  display: inline-block; padding: .7rem 1.3rem; background: var(--brand); color: #fff;
  border-radius: var(--radius); text-decoration: none; font-weight: 600; font-size: .95rem;
  border: 0; cursor: pointer; transition: background .15s;
}
.btn:hover { background: var(--brand-dark); }
.btn.secondary { background: transparent; color: var(--brand); border: 1px solid var(--border); }
.btn.secondary:hover { background: var(--bg-soft); }
.btn:disabled { opacity: .6; cursor: default; }
.btn.block { width: 100%; }

.hero { padding: 4.5rem 0 3.5rem; text-align: center; }
.hero h1 { font-size: 2.6rem; line-height: 1.15; margin: 0 0 1rem; letter-spacing: -.02em; }
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 40rem; margin: 0 auto 2rem; }
.hero .cta-row { display: flex; gap: .9rem; justify-content: center; flex-wrap: wrap; }
.hero .fine { margin-top: 1rem; color: var(--muted); font-size: .9rem; }
.hero .fine code { background: var(--bg-soft); padding: .1rem .4rem; border-radius: .3rem; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; padding: 2.5rem 0; }
@media (max-width: 720px) { .features { grid-template-columns: 1fr; } }
.features .card { border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.features .card h3 { margin: .4rem 0 .4rem; font-size: 1.05rem; }
.features .card p { margin: 0; color: var(--muted); font-size: .93rem; }
.features .card .icon { font-size: 1.5rem; }

section.selfhost {
  margin-top: 1rem; padding: 3rem 0; background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
section.selfhost h2 { margin-top: 0; font-size: 1.5rem; }
section.selfhost p.lead { color: var(--muted); max-width: 42rem; }
.platforms { display: flex; gap: 1.5rem; align-items: center; margin: 1.4rem 0; flex-wrap: wrap; }
.platforms a {
  display: flex; align-items: center; gap: .55rem; color: var(--ink); text-decoration: none;
  border: 1px solid var(--border); background: #fff; padding: .65rem 1.1rem; border-radius: var(--radius); font-size: .92rem; font-weight: 600;
}
.platforms a:hover { border-color: var(--brand); color: var(--brand); }
.platforms svg { width: 20px; height: 20px; }

footer.site { padding: 2.5rem 0 3rem; color: var(--muted); font-size: .88rem; border-top: 1px solid var(--border); margin-top: 1rem; }
footer.site a { color: var(--muted); }

.card-form { border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; margin-top: 2rem; }
.card-form h1 { font-size: 1.5rem; margin: 0 0 .3rem; }
.card-form p.sub { color: var(--muted); margin: 0 0 1.5rem; font-size: .93rem; }
label { display: block; margin: .9rem 0 .3rem; font-size: .88rem; font-weight: 600; color: var(--ink); }
input, select {
  width: 100%; padding: .6rem .7rem; border: 1px solid var(--border); border-radius: .45rem; font-size: 16px; font-family: inherit;
}
input:focus, select:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand); }
form .btn.block { margin-top: 1.4rem; }
small#slugmsg { color: var(--muted); }

.alert { margin-top: 1.2rem; padding: .8rem 1rem; border-radius: .45rem; font-size: .9rem; }
.alert.error { background: var(--danger-bg); border: 1px solid var(--danger-border); color: var(--danger); }

.confirm { text-align: center; padding: 1rem 0 .5rem; }
.confirm .badge {
  width: 56px; height: 56px; border-radius: 999px; background: var(--success-bg); color: var(--success);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 1.2rem;
}
.confirm .badge svg { width: 28px; height: 28px; }
.confirm h1 { font-size: 1.4rem; margin: 0 0 .6rem; }
.confirm p { color: var(--muted); font-size: .95rem; margin: 0 0 .4rem; }
.confirm .email { color: var(--ink); font-weight: 600; }
.confirm .hint { margin-top: 1.5rem; font-size: .85rem; color: var(--muted); }

.eyebrow { color: var(--brand); font-weight: 700; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 .7rem; }
.proof { list-style: none; padding: 0; margin: 2rem 0 0; display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem 1.4rem; color: var(--muted); font-size: .9rem; }
.proof li::before, .checks li::before { content: "\2713"; color: var(--success); font-weight: 700; margin-right: .45rem; }

section.band { padding: 4rem 0; border-top: 1px solid var(--border); scroll-margin-top: 1rem; }
section.band.alt { background: var(--bg-soft); }
section.band h2, .usecases h2, .faq h2, .final-cta h2 { font-size: 1.8rem; line-height: 1.2; margin: 0 0 .8rem; letter-spacing: -.01em; }
section.band p.lead { color: var(--muted); font-size: 1.05rem; margin: 0 0 1.5rem; }
section.band .fine { color: var(--muted); font-size: .88rem; margin-top: 1rem; }
.split { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; align-items: start; }
.checks { list-style: none; padding: 0; margin: 0; }
.checks li { padding: .55rem 0; border-bottom: 1px solid var(--border); font-size: .95rem; color: var(--muted); }
.checks li strong { color: var(--ink); }
.ai-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.ai-grid .mini { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.1rem; }
.ai-grid .mini h3 { margin: 0 0 .3rem; font-size: .98rem; }
.ai-grid .mini p { margin: 0; color: var(--muted); font-size: .88rem; }

.usecases { padding: 4rem 0 1rem; }
.usecases .features { padding-top: 1rem; }
.faq { padding: 2rem 0 4rem; max-width: 46rem; }
.faq details { border-bottom: 1px solid var(--border); padding: 1rem 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { color: var(--muted); margin: .7rem 0 0; }
.final-cta { text-align: center; padding: 4rem 0; }
.final-cta p.lead { color: var(--muted); margin: 0 0 1.5rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; margin-bottom: 1rem; }

@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; gap: 2rem; }
}

.hidden { display: none !important; }

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

@media (max-width: 640px) {
  .wrap, .narrow { padding: 0 1rem; }

  nav.top { padding: .9rem 0; }
  nav.top .nav-links { display: none; }
  nav.top .nav-menu { display: block; }
  nav.top a.nav-signin { margin-left: .9rem; }

  .hero { padding: 2.5rem 0 2rem; }
  .hero h1 { font-size: 1.8rem; }
  .hero p.lead { font-size: 1.05rem; }
  .hero .cta-row { flex-direction: column; align-items: stretch; }
  .hero .cta-row .btn { text-align: center; }

  .features { gap: 1rem; padding: 1.5rem 0; }

  section.band { padding: 2.5rem 0; }
  section.band h2, .usecases h2, .faq h2, .final-cta h2 { font-size: 1.45rem; }
  .ai-grid { grid-template-columns: 1fr; }
  .usecases { padding-top: 2.5rem; }
  .final-cta { padding: 2.5rem 0; }
  .final-cta .btn { display: block; text-align: center; }

  section.selfhost { padding: 2rem 0; }
  .platforms { flex-direction: column; align-items: stretch; }
  .platforms a { justify-content: center; }

  .card-form { padding: 1.25rem; margin-top: 1rem; }

  table { display: block; }
  thead { display: none; }
  tbody, tr, td { display: block; width: 100%; }
  tr { border-bottom: 1px solid var(--border); padding: .6rem 0; }
  td { border-bottom: none; padding: .25rem 0; }
  td:empty { display: none; }
  td[data-label]::before { content: attr(data-label) ": "; font-weight: 600; color: var(--muted); }
  .row-actions { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .4rem; }
  .row-actions button { margin-right: 0; }
}