:root {
  /* Blue–green: cool blues with teal accents */
  --color-bg: #ecf6f5;
  --color-surface: rgba(255, 255, 255, 0.82);
  --color-border: rgba(20, 75, 88, 0.16);
  --color-text: #14221f;
  --color-muted: #3d5c5a;
  --color-accent: #0d7a72;
  --color-accent-hover: #0f9488;
  --font-sans: "Roboto", system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --max-width: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  min-height: 100%;
  background-color: #d0e8ec;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: #d0e8ec;
  background-image:
    radial-gradient(ellipse 120% 70% at 50% 0%, rgba(255, 255, 255, 0.14) 0%, transparent 58%),
    radial-gradient(ellipse 90% 55% at 92% 8%, rgba(186, 230, 253, 0.28) 0%, transparent 62%),
    radial-gradient(ellipse 88% 55% at 8% 18%, rgba(167, 243, 208, 0.2) 0%, transparent 62%),
    linear-gradient(
      to bottom,
      #d4eaed 0%,
      #d2e9eb 14%,
      #d0e8ec 32%,
      #cfe7eb 55%,
      #d2e9ea 72%,
      #e8f6f4 100%
    );
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.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;
}

.site-header {
  padding: 0 1.5rem 2rem;
  border-bottom: 1px solid rgba(20, 75, 88, 0.1);
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.header-inner {
  max-width: none;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.logo {
  display: block;
  width: min(100%, 1000px);
  max-width: 100%;
  height: auto;
  background: transparent;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 3.5rem 0;
}

.synopsis h2 {
  margin: 0 0 1.25rem;
  font-family: var(--font-sans);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-text);
}

.synopsis-copy p {
  margin: 0 0 1rem;
  color: var(--color-muted);
  max-width: 38rem;
}

.synopsis-copy strong {
  color: var(--color-text);
  font-weight: 700;
}

.synopsis-lede {
  margin-top: 1.5rem !important;
  font-size: 1.1rem;
  color: var(--color-text) !important;
}

.notify {
  padding-bottom: 4rem;
}

.notify-card {
  background: rgba(255, 255, 255, 0.48);
  border: 1px solid rgba(20, 75, 88, 0.12);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.55) inset,
    0 2px 6px rgba(20, 75, 88, 0.05),
    0 14px 44px rgba(15, 90, 95, 0.09),
    0 26px 64px rgba(12, 70, 78, 0.06);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.notify h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-sans);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
}

.notify-lede {
  margin: 0 0 1.5rem;
  color: var(--color-muted);
  font-size: 0.98rem;
  max-width: 36rem;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 520px) {
  .waitlist-form {
    flex-direction: row;
    align-items: stretch;
    max-width: 32rem;
  }
}

.waitlist-form input[type="email"] {
  flex: 1;
  min-width: 0;
  padding: 0.85rem 1rem;
  font: inherit;
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.waitlist-form input[type="email"]::placeholder {
  color: #888;
}

.waitlist-form input[type="email"]:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-color: var(--color-accent);
}

.btn-primary {
  padding: 0.85rem 1.5rem;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: rgba(220, 38, 38, 0.69);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s ease, transform 0.15s ease;
}

.btn-primary:hover {
  background: rgba(220, 38, 38, 0.85);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.waitlist-message {
  margin: 1rem 0 0;
  min-height: 1.5em;
  font-size: 0.95rem;
}

.waitlist-message.is-success {
  color: #0f6b52;
}

.waitlist-message.is-error {
  color: #c0392b;
}

.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  border-top: 1px solid rgba(20, 75, 88, 0.1);
}

.footer-copy {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}