:root {
  --floral-white: #fff8ed;
  --jasmine: #f7d36a;
  --princeton-orange: #ff8000;
  --frost-aqua: #8dd8d7;
  --azure: #004a8b;
  --space-indigo: #29245b;
  --deep-indigo: #0f2b6b;
  --text-dark: #18191f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", Arial, sans-serif;
  color: var(--text-dark);
  background:
    radial-gradient(circle at 20% 15%, rgba(247, 211, 106, 0.5), transparent 25%),
    radial-gradient(circle at 82% 30%, rgba(141, 216, 215, 0.4), transparent 28%),
    linear-gradient(135deg, #fef9f2 0%, #f7faff 45%, #eef2ff 100%);
}

.page-shell {
  max-width: 920px;
  margin: 0 auto;
  padding: 28px 20px 36px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 56px;
}

.brand {
  margin: 0;
  padding: 10px 14px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.4px;
  border-radius: 999px;
  background: linear-gradient(100deg, var(--deep-indigo), var(--azure));
}

.tagline {
  margin: 0;
  color: #4d4f5b;
  font-weight: 500;
}

.hero h1 {
  margin: 8px 0 14px;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.06;
  color: var(--space-indigo);
}

.kicker {
  margin: 0;
  color: var(--princeton-orange);
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.lead {
  max-width: 720px;
  margin: 0 0 26px;
  font-size: 1.08rem;
  line-height: 1.6;
  color: #2d2f3a;
}

.countdown-card {
  margin-bottom: 26px;
  padding: 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(0, 74, 139, 0.16);
  backdrop-filter: blur(4px);
}

.countdown-card h2 {
  margin: 0 0 14px;
  font-size: 1.1rem;
  color: var(--deep-indigo);
}

.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.timebox {
  padding: 14px 10px;
  text-align: center;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(0, 74, 139, 0.94), rgba(41, 36, 91, 0.94));
  color: #fff;
}

.timebox span {
  display: block;
  font-size: clamp(1.35rem, 4vw, 2rem);
  font-weight: 700;
  line-height: 1;
}

.timebox small {
  display: block;
  margin-top: 6px;
  opacity: 0.85;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.launch-date {
  margin: 14px 0 0;
  color: #51556a;
}

.notify-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
}

.notify-form input {
  flex: 1 1 240px;
  min-height: 46px;
  border-radius: 10px;
  border: 1px solid rgba(41, 36, 91, 0.2);
  background: rgba(255, 255, 255, 0.85);
  padding: 0 14px;
  font: inherit;
}

.notify-form input:focus {
  outline: 2px solid rgba(0, 74, 139, 0.5);
  outline-offset: 1px;
}

.notify-message {
  min-height: 1.4em;
  margin: 0 0 22px;
  color: #3c3f54;
  font-weight: 500;
}

.notify-message.is-error {
  color: #9a2b2b;
}

.notify-message.is-success {
  color: #0f6a3d;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 10px;
  padding: 0 18px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #111;
  background: linear-gradient(100deg, var(--jasmine), var(--princeton-orange));
  box-shadow: 0 10px 25px rgba(255, 128, 0, 0.25);
}

.btn-secondary {
  color: var(--space-indigo);
  background: rgba(141, 216, 215, 0.3);
  border: 1px solid rgba(41, 36, 91, 0.14);
}

.highlights {
  margin: 0;
  padding-left: 18px;
  color: #313449;
  line-height: 1.72;
}

.highlights li::marker {
  color: var(--princeton-orange);
}

.visually-hidden {
  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: 700px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 34px;
  }

  .countdown-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}