:root {
  color-scheme: only light;
  --sky-1: #6ec8ff;
  --sky-2: #8fe3ff;
  --sky-3: #f2fbff;
  --ink-1: #0c1727;
  --ink-2: #223a54;
  --glass: rgba(255, 255, 255, 0.38);
  --glass-border: rgba(255, 255, 255, 0.5);
  --shadow: 0 18px 60px rgba(12, 23, 39, 0.18);
  --accent: #05080f;
  --focus: #1b4cf2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, -apple-system, sans-serif;
  color: var(--ink-1);
  min-height: 100vh;
  background: var(--sky-3);
}

.page {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-rows: 1fr auto;
  place-items: center;
  padding: 32px 20px 24px;
  overflow: hidden;
}

.sky-background {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.sky-gradient {
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.9), transparent 55%),
    linear-gradient(135deg, var(--sky-1), var(--sky-2) 55%, var(--sky-3) 100%);
  filter: blur(0px);
  animation: drift 18s ease-in-out infinite alternate;
}

.cloud-haze {
  position: absolute;
  inset: -30%;
  background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.7), transparent 60%),
    radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.6), transparent 55%),
    radial-gradient(circle at 50% 70%, rgba(255, 255, 255, 0.5), transparent 60%);
  filter: blur(40px);
  opacity: 0.65;
  animation: cloudMove 28s linear infinite;
}

.radar-rings {
  position: absolute;
  inset: -10%;
  background: repeating-radial-gradient(
    circle at 60% 40%,
    rgba(8, 28, 51, 0.08),
    rgba(8, 28, 51, 0.08) 1px,
    transparent 12px,
    transparent 38px
  );
  opacity: 0.35;
  mix-blend-mode: soft-light;
}

.contrails {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.25) 40%, transparent 60%),
    linear-gradient(120deg, transparent 10%, rgba(255, 255, 255, 0.2) 35%, transparent 70%);
  background-size: 700px 700px;
  background-position: -100px -120px, 200px 80px;
  opacity: 0.35;
  animation: contrailShift 24s ease-in-out infinite;
}

.hero {
  position: relative;
  z-index: 1;
  max-width: 680px;
  width: min(92vw, 680px);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.brand-name {
  margin: 0;
  font-weight: 500;
}

.badge {
  font-size: 0.72rem;
  padding: 4px 12px 4px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.75);
  letter-spacing: 0.08em;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #29d779;
  box-shadow: 0 0 8px rgba(41, 215, 121, 0.6);
  animation: pulse 2.6s ease-in-out infinite;
}

.logo-mark {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(12, 23, 39, 0.4);
  display: grid;
  place-items: center;
  position: relative;
}

.logo-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-2);
}

.logo-line {
  position: absolute;
  width: 18px;
  height: 1px;
  background: rgba(12, 23, 39, 0.5);
  transform: rotate(-30deg);
}

h1 {
  margin: 0;
  font-weight: 400;
  font-size: clamp(2.3rem, 4vw, 3.4rem);
  letter-spacing: -0.02em;
}

.subhead {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--ink-2);
}

.supporting {
  margin: 0;
  font-size: 0.98rem;
  color: rgba(34, 58, 84, 0.9);
}

.form-card {
  margin-top: 14px;
  padding: 20px 20px 16px;
  border-radius: 18px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field {
  display: grid;
  gap: 8px;
  text-align: left;
}

.field-label {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  text-transform: uppercase;
}

.field-control {
  position: relative;
}

#airport-search {
  width: 100%;
  padding: 14px 16px;
  font-size: 1rem;
  border-radius: 12px;
  border: 1px solid rgba(12, 23, 39, 0.2);
  background: rgba(255, 255, 255, 0.85);
  color: var(--ink-1);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#airport-search:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px rgba(27, 76, 242, 0.18);
}

.field-hint {
  margin: 0;
  font-size: 0.82rem;
  color: rgba(34, 58, 84, 0.75);
}

.field-hint.is-error {
  color: #a32121;
}

.suggestions {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(12, 23, 39, 0.15);
  border-radius: 12px;
  box-shadow: 0 18px 40px rgba(12, 23, 39, 0.12);
  max-height: 220px;
  overflow-y: auto;
  display: none;
  z-index: 10;
  backdrop-filter: blur(8px);
}

.suggestions.is-open {
  display: grid;
}

.suggestion-item {
  padding: 12px 14px;
  border: none;
  background: transparent;
  text-align: left;
  font-family: inherit;
  cursor: pointer;
  display: grid;
  gap: 4px;
  color: var(--ink-1);
}

.suggestion-item:hover,
.suggestion-item:focus-visible {
  background: rgba(110, 200, 255, 0.2);
}

.suggestion-title {
  font-size: 0.92rem;
  font-weight: 600;
}

.suggestion-sub {
  font-size: 0.82rem;
  color: rgba(34, 58, 84, 0.8);
}

.form-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

input[type="email"] {
  flex: 1;
  min-width: 220px;
  padding: 14px 16px;
  font-size: 1rem;
  border-radius: 12px;
  border: 1px solid rgba(12, 23, 39, 0.2);
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink-1);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input[type="email"]:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px rgba(27, 76, 242, 0.2);
}

button[type="submit"] {
  padding: 14px 22px;
  border-radius: 12px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: 0 10px 25px rgba(5, 8, 15, 0.25);
}

button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(5, 8, 15, 0.28);
  background: #0b1324;
}

button[type="submit"]:focus-visible {
  outline: 3px solid rgba(27, 76, 242, 0.6);
  outline-offset: 2px;
}

.form-note {
  margin: 0;
  font-size: 0.82rem;
  color: rgba(34, 58, 84, 0.8);
}

.form-success {
  display: none;
  margin: 0;
  font-size: 0.88rem;
  color: #0f4b2c;
}

.form-card.is-success .form-success {
  display: block;
}

.form-card.is-success .form-row,
.form-card.is-success .form-note {
  opacity: 0.35;
}

.demo-feed {
  margin-top: 18px;
  width: 100%;
  display: grid;
  gap: 12px;
}

.feed-label {
  margin: 0;
  font-size: 0.82rem;
  color: rgba(34, 58, 84, 0.85);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.feed-list {
  display: grid;
  gap: 10px;
}

.feed-item {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 10px 30px rgba(12, 23, 39, 0.08);
  backdrop-filter: blur(10px);
  display: grid;
  gap: 6px;
  text-align: left;
  opacity: 1;
}

.feed-title {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.feed-body {
  margin: 0;
  font-size: 0.95rem;
  color: rgba(12, 23, 39, 0.9);
}

.footer {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 18px;
  font-size: 0.85rem;
  color: var(--ink-2);
}

.footer a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.footer a:hover,
.footer a:focus-visible {
  border-color: rgba(34, 58, 84, 0.5);
}

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

@media (max-width: 700px) {
  .page {
    padding: 24px 16px;
  }

  .hero {
    width: 100%;
  }

  .form-row {
    flex-direction: column;
  }

  button[type="submit"] {
    width: 100%;
  }
}

@keyframes drift {
  0% {
    transform: translate3d(-2%, -3%, 0);
  }
  100% {
    transform: translate3d(2%, 3%, 0);
  }
}

@keyframes cloudMove {
  0% {
    transform: translate3d(-2%, 0, 0);
  }
  50% {
    transform: translate3d(2%, -2%, 0);
  }
  100% {
    transform: translate3d(-2%, 1%, 0);
  }
}

@keyframes contrailShift {
  0% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(-60px, 30px, 0);
  }
  100% {
    transform: translate3d(0, 0, 0);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.35;
    transform: scale(0.9);
  }
  50% {
    opacity: 1;
    transform: scale(1.1);
  }
}

@keyframes feedIn {
  0% {
    opacity: 0;
    transform: translateY(-14px);
  }
  60% {
    opacity: 1;
    transform: translateY(2px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.feed-item.is-new {
  animation: feedIn 0.7s ease;
  border: 1px solid rgba(41, 215, 121, 0.7);
  box-shadow: 0 12px 28px rgba(41, 215, 121, 0.18);
}