:root {
  color-scheme: dark;
  --text-primary: rgba(255, 255, 255, 0.96);
  --text-secondary: rgba(255, 255, 255, 0.78);
  --surface: rgba(255, 255, 255, 0.1);
  --surface-strong: rgba(255, 255, 255, 0.18);
  --border: rgba(255, 255, 255, 0.24);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: #06131b;
  color: var(--text-primary);
  font-family: "Helvetica Neue", "SF Pro Display", "Segoe UI", sans-serif;
}

button,
input {
  font: inherit;
}

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at top, rgba(10, 71, 92, 0.3), transparent 45%),
    linear-gradient(180deg, rgba(4, 11, 19, 0.18), rgba(4, 11, 19, 0.68));
}

.hero__video,
.hero__overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__video {
  object-fit: cover;
  object-position: center center;
  background-color: #06131b;
}

.hero__overlay {
  background:
    linear-gradient(180deg, rgba(5, 12, 18, 0.28) 0%, rgba(5, 12, 18, 0.64) 100%),
    radial-gradient(circle at center, rgba(7, 45, 54, 0.08), rgba(5, 12, 18, 0.4));
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(100%, 680px);
  display: grid;
  gap: 28px;
  justify-items: center;
  text-align: center;
}

.hero__copy {
  display: grid;
  gap: 12px;
}

.hero__copy h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.8rem);
  line-height: 0.96;
  font-weight: 200;
  letter-spacing: -0.04em;
  text-wrap: balance;
  text-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.hero__copy p {
  margin: 0;
  font-size: clamp(0.95rem, 1.7vw, 1.12rem);
  line-height: 1.5;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.waitlist {
  width: min(100%, 520px);
}

.waitlist__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.waitlist input {
  width: 100%;
  min-width: 0;
  padding: 12px 16px;
  border: 0;
  background: transparent;
  color: var(--text-primary);
  outline: none;
  font-size: 1rem;
  font-weight: 300;
}

.waitlist input::placeholder {
  color: rgba(255, 255, 255, 0.64);
}

.waitlist button {
  border: 0;
  border-radius: 999px;
  padding: 12px 22px;
  min-height: 48px;
  background: rgba(255, 255, 255, 0.92);
  color: #06131b;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: transform 140ms ease, background-color 140ms ease;
}

.waitlist button:hover {
  transform: translateY(-1px);
  background: #ffffff;
}

.waitlist button:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.9);
  outline-offset: 2px;
}

.waitlist input:focus,
.waitlist input:focus-visible {
  outline: none;
}

.waitlist button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.waitlist__success-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: #06131b;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.waitlist__message {
  min-height: 1.4rem;
  margin: 12px 0 0;
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--text-secondary);
}

.waitlist__message.is-error {
  color: #ffd5d5;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 640px) {
  .hero {
    padding: 20px;
  }

  .hero__content {
    gap: 22px;
  }

  .hero__copy p {
    letter-spacing: 0.06em;
  }

  .waitlist__row {
    grid-template-columns: 1fr;
    border-radius: 28px;
    padding: 14px;
  }

  .waitlist button {
    width: 100%;
  }
}