:root {
  --bg: #fbfaf7;
  --bg-alt: #f3f1ea;
  --surface: #ffffff;
  --text: #16181d;
  --muted: #5b616e;
  --border: #e4e1d8;
  --accent: #1f6f5c;
  --accent-strong: #155446;
  --accent-soft: #e3f1ec;
  --warn: #b4531c;
  --warn-soft: #fbeee4;
  --ok: #1f6f5c;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(20, 20, 20, .04), 0 8px 24px rgba(20, 20, 20, .06);
  --max: 1120px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111315;
    --bg-alt: #171a1d;
    --surface: #1c2024;
    --text: #eef0f2;
    --muted: #a3a9b3;
    --border: #2b3036;
    --accent: #4cc2a2;
    --accent-strong: #6fd6ba;
    --accent-soft: #17322b;
    --warn: #f0995f;
    --warn-soft: #3a261a;
    --ok: #4cc2a2;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .3);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 750; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.section { padding: 88px 0; }
.section.alt { background: var(--bg-alt); }
.section-head { max-width: 680px; margin-bottom: 44px; }
.eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.lead { font-size: 1.2rem; color: var(--muted); }
.muted { color: var(--muted); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.25rem; color: var(--text); text-decoration: none; }
.logo-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--accent); color: var(--bg);
  display: grid; place-items: center; font-size: .95rem; font-weight: 800;
}
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .95rem; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
.nav-links a.btn, .nav-links a.btn:hover { color: #fff; }
@media (prefers-color-scheme: dark) { .nav-links a.btn, .nav-links a.btn:hover { color: #0d1513; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 20px; border-radius: 10px; border: 0;
  font: inherit; font-weight: 650; font-size: 1rem;
  background: var(--accent); color: #fff; text-decoration: none; cursor: pointer;
  transition: background .15s ease;
  white-space: nowrap;
}
@media (prefers-color-scheme: dark) { .btn { color: #0d1513; } }
.btn:hover { background: var(--accent-strong); }
.btn.small { padding: 8px 14px; font-size: .9rem; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.ghost:hover { background: var(--surface); }

/* Hero */
.hero { padding: 72px 0 88px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 .hl { color: var(--accent); }
.audience { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 28px; padding: 0; list-style: none; }
.audience li {
  font-size: .85rem; font-weight: 600; padding: 5px 12px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border); color: var(--muted);
}

/* Waitlist form */
.waitlist { display: flex; flex-direction: column; gap: 10px; max-width: 520px; }
.waitlist .row { display: flex; gap: 10px; }
.waitlist input[type="email"], .waitlist select {
  flex: 1; min-width: 0;
  padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font: inherit; font-size: 1rem;
}
.waitlist input:focus, .waitlist select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.waitlist .hp { position: absolute; left: -9999px; }
.form-note { font-size: .88rem; color: var(--muted); margin: 0; }
.form-msg { font-size: .95rem; font-weight: 600; margin: 0; min-height: 1.5em; }
.form-msg.ok { color: var(--ok); }
.form-msg.err { color: var(--warn); }
.founding {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-soft); color: var(--accent);
  font-size: .88rem; font-weight: 650; padding: 6px 12px; border-radius: 8px; margin-bottom: 18px;
}

/* Example card */
.example {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.example-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.example-head strong { display: block; }
.example-head small { color: var(--muted); }
.tag { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); border: 1px solid var(--border); border-radius: 6px; padding: 2px 8px; }
.gaps { list-style: none; margin: 0; padding: 14px 20px; display: grid; gap: 10px; }
.gaps li { display: flex; gap: 10px; align-items: flex-start; font-size: .95rem; }
.gaps .dot { flex: none; width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center; font-size: .75rem; font-weight: 800; background: var(--warn-soft); color: var(--warn); margin-top: 2px; }
.gaps .who { display: block; font-size: .78rem; color: var(--muted); }
.draft { margin: 0 20px 20px; padding: 14px 16px; border-radius: 10px; background: var(--bg-alt); font-size: .92rem; }
.draft .label { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 6px; display: block; }
.draft p { margin: 0 0 .6em; }
.draft .actions { display: flex; gap: 8px; margin-top: 10px; }
.draft .actions span { font-size: .8rem; font-weight: 650; padding: 5px 10px; border-radius: 7px; border: 1px solid var(--border); background: var(--surface); }
.draft .actions span.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
@media (prefers-color-scheme: dark) { .draft .actions span.primary { color: #0d1513; } }

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px;
}
.card p:last-child { margin-bottom: 0; }
.card .num {
  width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); font-weight: 800; margin-bottom: 14px;
}
.card ul { margin: 12px 0 0; padding-left: 18px; color: var(--muted); font-size: .95rem; }
.card ul li { margin-bottom: 4px; }
.quote {
  margin-top: 16px; padding: 12px 14px; border-left: 3px solid var(--accent);
  background: var(--bg-alt); border-radius: 0 8px 8px 0; font-size: .93rem; font-style: italic;
}
.service-card h3 { display: flex; align-items: center; gap: 10px; }
.service-card .icon { font-size: 1.3rem; }

/* Problem */
.contrast { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contrast .card h3 { margin-bottom: 12px; }
.contrast .bad { border-color: color-mix(in srgb, var(--warn) 35%, var(--border)); }
.contrast .good { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
.contrast .card blockquote { margin: 0; font-size: .95rem; color: var(--muted); }

/* Features */
.feature { display: flex; gap: 14px; }
.feature .check { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-weight: 800; font-size: .85rem; margin-top: 2px; }
.feature h3 { margin-bottom: 4px; font-size: 1.05rem; }
.feature p { color: var(--muted); font-size: .95rem; margin: 0; }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: stretch; }
.plan { display: flex; flex-direction: column; }
.plan.featured { border: 2px solid var(--accent); position: relative; }
.plan .badge {
  position: absolute; top: -12px; left: 24px;
  background: var(--accent); color: #fff; font-size: .75rem; font-weight: 700; padding: 3px 10px; border-radius: 999px;
}
@media (prefers-color-scheme: dark) { .plan .badge { color: #0d1513; } }
.plan .price { font-size: 2.3rem; font-weight: 800; letter-spacing: -0.02em; margin: 6px 0 0; }
.plan .price span { font-size: 1rem; font-weight: 500; color: var(--muted); }
.plan .founding-price { font-size: .9rem; color: var(--accent); font-weight: 650; margin-bottom: 14px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 20px; color: var(--text); font-size: .94rem; flex: 1; }
.plan ul li { padding: 6px 0; border-bottom: 1px dashed var(--border); }
.plan ul li:last-child { border-bottom: 0; }
.pricing-note { text-align: center; color: var(--muted); font-size: .95rem; margin-top: 28px; }

/* FAQ */
.faq { max-width: 780px; }
.faq details { border-bottom: 1px solid var(--border); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 650; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::after { content: "+"; color: var(--accent); font-weight: 700; font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq summary::-webkit-details-marker { display: none; }
.faq details p { margin: 12px 0 0; color: var(--muted); }

/* CTA */
.cta { text-align: center; }
.cta .waitlist { margin: 28px auto 0; text-align: left; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 36px 0; font-size: .92rem; color: var(--muted); }
.footer .container { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--text); }

/* Legal pages */
.legal { max-width: 760px; padding: 56px 20px 88px; margin: 0 auto; }
.legal h1 { font-size: 2.2rem; }
.legal h2 { font-size: 1.3rem; margin-top: 2em; }
.legal p, .legal li { color: var(--text); }
.legal .updated { color: var(--muted); margin-bottom: 2em; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .grid-4, .pricing { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .section { padding: 64px 0; }
  .hero { padding: 44px 0 64px; }
  .nav-links a:not(.btn) { display: none; }
  .grid-2, .grid-3, .grid-4, .pricing, .contrast { grid-template-columns: 1fr; }
  .waitlist .row { flex-direction: column; }
  .container { padding: 0 16px; }
}