:root {
  --green: #0B3D2E;
  --green-2: #145A43;
  --gold: #F2B33D;
  --mint: #E8F1EC;
  --slate: #5A6478;
  --bg: #FAFBF9;
  --radius: 16px;
  --font: Inter, "Helvetica Neue", Arial, "Liberation Sans", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--green);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; height: auto; }
a { color: inherit; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: 640px; text-align: center; }
.muted { color: var(--slate); }
.accent { color: var(--gold); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* Header */
.site-header { background: #fff; border-bottom: 1px solid #e6ece8; position: sticky; top: 0; z-index: 10; }
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.wordmark { font-size: 1.8rem; font-weight: 800; letter-spacing: -1px; }
nav { display: flex; align-items: center; gap: 1.5rem; }
nav a { text-decoration: none; font-weight: 500; }

/* Buttons */
.btn {
  display: inline-block; border: 0; cursor: pointer;
  background: var(--gold); color: var(--green);
  font: 700 1rem var(--font);
  padding: .8rem 1.4rem; border-radius: 999px; text-decoration: none;
  transition: transform .1s, box-shadow .1s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(242,179,61,.4); }
.btn:disabled { opacity: .6; cursor: wait; }
.btn-small { padding: .45rem 1rem; font-size: .9rem; }
.btn-ghost { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.4); }
.btn-ghost:hover { box-shadow: none; border-color: #fff; }

/* Hero */
.hero { background: linear-gradient(135deg, var(--green), var(--green-2)); color: #fff; padding: 5rem 0; }
.hero-inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 3rem; align-items: center; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.1; letter-spacing: -1px; margin: 0 0 1rem; }
.lead { font-size: 1.2rem; color: var(--mint); max-width: 34ch; }
.actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
.hero-logo { justify-self: center; filter: drop-shadow(0 20px 40px rgba(0,0,0,.3)); border-radius: 23%; }

/* Features */
.features { padding: 5rem 0; }
.features h2, .waitlist h2 { font-size: 2rem; margin: 0 0 2rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.card { background: #fff; border: 1px solid #e6ece8; border-radius: var(--radius); padding: 1.75rem; }
.card h3 { margin: .5rem 0; }
.card p { margin: 0; color: var(--slate); }
.card-icon { font-size: 1.8rem; }

/* Waitlist */
.waitlist { background: var(--mint); padding: 5rem 0; }
.waitlist h2 { margin-bottom: .5rem; }
.waitlist-form { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; margin-top: 1.5rem; }
.waitlist-form input {
  flex: 1 1 260px; max-width: 360px;
  padding: .8rem 1.2rem; border-radius: 999px; border: 2px solid #cfdcd4;
  font: 1rem var(--font); color: var(--green);
}
.waitlist-form input:focus { outline: none; border-color: var(--green); }
.form-error { flex-basis: 100%; color: #B4232C; margin: 0; }
.waitlist-ok { margin-top: 1.5rem; background: #fff; border-radius: var(--radius); padding: 1.25rem; border-left: 6px solid var(--gold); }

/* Footer */
.site-footer { padding: 2rem 0; font-size: .9rem; }
.site-footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }

@media (max-width: 760px) {
  .hero { padding: 3rem 0; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-logo { width: 180px; order: -1; }
  nav a:not(.btn) { display: none; }
}