/* Andider landing — dark, lime-green brand (matches the logo). Self-contained. */
:root {
  --bg: #0b140d;
  --bg-2: #0f1c13;
  --card: #12241a;
  --line: #1e3a28;
  --text: #e8f5ec;
  --muted: #9db8a8;
  --green: #7ee00a;
  --green-2: #3ddc84;
  --radius: 16px;
  --max: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #122a18 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* --- nav --- */
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; }
.brand img { filter: drop-shadow(0 0 10px rgba(126, 224, 10, 0.5)); }

/* --- buttons --- */
.btn {
  display: inline-block;
  border: 0;
  border-radius: 999px;
  padding: 13px 22px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .08s ease, box-shadow .2s ease, background .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-2) 100%);
  color: #06210f;
  box-shadow: 0 8px 30px rgba(126, 224, 10, 0.25);
}
.btn-primary:hover { box-shadow: 0 10px 40px rgba(126, 224, 10, 0.4); }
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--green-2); }

/* --- hero --- */
.hero {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: 72px 24px 40px;
  text-align: center;
}
.glow {
  position: absolute; inset: -40px 0 auto 0; height: 320px; margin: auto;
  background: radial-gradient(420px 200px at 50% 0, rgba(126, 224, 10, 0.22), transparent 70%);
  pointer-events: none; z-index: -1;
}
.eyebrow { color: var(--green-2); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; font-size: .82rem; }
.tm { font-size: .6em; vertical-align: super; opacity: .7; }
h1 { font-size: clamp(2.4rem, 6vw, 4rem); line-height: 1.05; margin: 14px 0 18px; letter-spacing: -0.02em; }
.accent { color: var(--green); text-shadow: 0 0 30px rgba(126, 224, 10, 0.35); }
.lede { max-width: 620px; margin: 0 auto 28px; color: var(--muted); font-size: 1.15rem; }

/* --- signup --- */
.signup { display: flex; gap: 10px; max-width: 480px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.signup input {
  flex: 1 1 240px;
  min-width: 0;
  padding: 13px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  font-size: 1rem;
}
.signup input:focus { outline: none; border-color: var(--green-2); box-shadow: 0 0 0 3px rgba(61, 220, 132, 0.15); }
.note { min-height: 1.2em; margin: 14px 0 0; font-size: .95rem; color: var(--muted); }
.note.ok { color: var(--green-2); }
.note.err { color: #ff8b8b; }

/* --- steps --- */
.steps {
  max-width: var(--max);
  margin: 60px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
}
.num {
  display: inline-grid; place-items: center;
  width: 34px; height: 34px; border-radius: 10px;
  background: rgba(126, 224, 10, 0.14); color: var(--green);
  font-weight: 700; margin-bottom: 12px;
}
.step h3 { margin: 6px 0 8px; font-size: 1.2rem; }
.step p { margin: 0; color: var(--muted); }

/* --- features --- */
.features {
  max-width: var(--max);
  margin: 0 auto 60px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.feature { border: 1px solid var(--line); border-radius: 14px; padding: 18px; background: var(--bg-2); }
.feature h4 { margin: 0 0 6px; color: var(--green-2); }
.feature p { margin: 0; color: var(--muted); font-size: .95rem; }

/* --- cta --- */
.cta {
  max-width: 720px;
  margin: 0 auto 80px;
  padding: 48px 24px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-2), var(--card));
  border: 1px solid var(--line);
  border-radius: 22px;
}
.cta h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 0 0 8px; }
.cta p { color: var(--muted); margin: 0 0 22px; }

/* --- footer --- */
.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 24px 60px;
  border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 14px; align-items: center; text-align: center;
}
.fine { color: var(--muted); font-size: .85rem; margin: 0; }

@media (max-width: 760px) {
  .steps { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr 1fr; }
}