:root {
  --navy: #0b1220;
  --navy-2: #111d3b;
  --text: #0b1220;
  --text-2: #3d4a60;
  --muted: #667389;
  --on-dark: #f3f6fb;
  --on-dark-2: #b4c0d6;
  --blue: #2a78d6;
  --blue-strong: #1c5cab;
  --blue-on-dark: #5598e7;
  --border: #e1e5eb;
  --surface: #ffffff;
  --bg: #f6f7f9;
  --good: #3fcf3f;
  --bad: #ff8a80;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Arial,
    sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

.wrap {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 16px;
}

a {
  color: var(--blue-strong);
}

.hero a {
  color: var(--blue-on-dark);
}

/* ---- Hero ---------------------------------------------------------------- */

.hero {
  padding: 40px 0 64px;
  background: radial-gradient(ellipse at 50% 0%, var(--navy-2), var(--navy) 65%);
  color: var(--on-dark);
  text-align: center;
}

.logo {
  display: block;
  width: 168px;
  height: auto;
  margin: 0 auto;
}

.pill {
  display: inline-block;
  margin: 40px 0 0;
  padding: 4px 12px;
  border: 1px solid rgb(85 152 231 / 45%);
  border-radius: 999px;
  color: var(--blue-on-dark);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 16px 0 0;
  font-size: clamp(36px, 7vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.lede {
  max-width: 640px;
  margin: 18px auto 0;
  text-wrap: balance;
  color: var(--on-dark-2);
  font-size: clamp(17px, 2.2vw, 20px);
}

/* ---- Sign-up --------------------------------------------------------------- */

.signup {
  max-width: 520px;
  margin: 36px auto 0;
}

.field > span:first-child {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.row {
  display: flex;
  gap: 8px;
}

input[type='email'] {
  flex: 1;
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid rgb(255 255 255 / 25%);
  border-radius: 10px;
  background: rgb(255 255 255 / 8%);
  color: var(--on-dark);
  font: inherit;
}

input[type='email']::placeholder {
  color: rgb(255 255 255 / 45%);
}

input[type='email']:focus-visible,
button:focus-visible,
.check input:focus-visible {
  outline: 2px solid var(--blue-on-dark);
  outline-offset: 2px;
}

button {
  padding: 12px 20px;
  border: 0;
  border-radius: 10px;
  background: var(--blue);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  background: var(--blue-strong);
}

button[disabled] {
  opacity: 0.6;
  cursor: progress;
}

.check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  justify-content: center;
  margin-top: 14px;
  text-align: left;
  color: var(--on-dark-2);
  font-size: 15px;
}

.check input {
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  accent-color: var(--blue);
}

.trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.fine {
  margin: 12px 0 0;
  text-wrap: balance;
  color: rgb(180 192 214 / 80%);
  font-size: 13px;
}

.status {
  min-height: 1.5em;
  margin: 10px 0 0;
  font-weight: 600;
}

.status.ok {
  color: var(--good);
}

.status.error {
  color: var(--bad);
}

/* ---- Sections ---------------------------------------------------------------- */

main {
  flex: 1;
  padding: 56px 0;
}

h2 {
  margin: 0 0 20px;
  font-size: 24px;
  letter-spacing: -0.01em;
  text-align: center;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 16px;
}

.card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}

.card h3 {
  margin: 0 0 6px;
  font-size: 17px;
}

.card p {
  margin: 0;
  color: var(--text-2);
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 16px;
  margin-top: 16px;
}

/* ---- Footer ---------------------------------------------------------------- */

.foot {
  padding: 32px 0 40px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  text-align: center;
}

.foot p {
  margin: 0 0 6px;
}

.muted {
  color: var(--muted);
}

@media (min-width: 768px) {
  .hero {
    padding: 56px 0 88px;
  }
}

@media (max-width: 480px) {
  .row {
    flex-direction: column;
  }
}