:root {
  --bg: #050b14;
  --bg-soft: #060d18;
  --card: rgba(9, 15, 24, 0.62);
  --card-line: rgba(255, 255, 255, 0.1);
  --text-main: #d8e4f2;
  --text-soft: #94a3b8;
  --text-dim: #64748b;
  --cyan-line: rgba(125, 211, 252, 0.35);
  --cyan-soft: rgba(186, 230, 253, 0.1);
  --cyan-strong: #dff7ff;
  --danger: #fda4af;
  --success: #86efac;
}

* {
  box-sizing: border-box;
}

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

body {
  color: var(--text-main);
  font-family: "SF Pro Display", "Sohne", "Avenir Next", "Segoe UI", sans-serif;
  background:
    radial-gradient(110% 70% at 12% 0%, rgba(48, 102, 180, 0.34) 0%, transparent 62%),
    radial-gradient(100% 65% at 88% 8%, rgba(62, 96, 160, 0.24) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.page {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
  overflow: hidden;
}

.page-title {
  position: absolute;
  top: 60px;
  margin: 0;
  font-size: clamp(2rem, 6vw, 3.4rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan-strong);
  transform-origin: center;
  transition: text-shadow 0.2s ease, filter 0.2s ease;
}

.page-title:hover {
  animation: wiggle 0.8s ease-in-out infinite;
  text-shadow: none;
  filter: none;
}

@keyframes wiggle {
  0% {
    transform: rotate(0deg) translateX(0);
  }
  25% {
    transform: rotate(-0.5deg) translateX(-1px);
  }
  50% {
    transform: rotate(0.5deg) translateX(1px);
  }
  75% {
    transform: rotate(-0.35deg) translateX(-0.5px);
  }
  100% {
    transform: rotate(0deg) translateX(0);
  }
}

.ambient {
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
  filter: blur(92px);
  opacity: 0.25;
}

.ambient-a {
  width: 320px;
  height: 320px;
  left: -96px;
  top: -60px;
  background: rgba(34, 211, 238, 0.45);
}

.ambient-b {
  width: 280px;
  height: 280px;
  right: -60px;
  top: 16%;
  background: rgba(59, 130, 246, 0.35);
}

.ambient-c {
  width: 360px;
  height: 360px;
  bottom: -150px;
  left: 34%;
  background: rgba(125, 211, 252, 0.28);
}

.signup-card {
  position: relative;
  width: min(680px, 100%);
  border: 1px solid var(--card-line);
  border-radius: 24px;
  background: var(--card);
  backdrop-filter: blur(24px);
  box-shadow: 0 24px 120px rgba(5, 10, 20, 0.5);
  padding: 30px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.signup-card:hover {
  transform: translateY(-3px) rotate(-0.25deg);
  border-color: rgba(186, 230, 253, 0.28);
  box-shadow: 0 30px 130px rgba(5, 10, 20, 0.56);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.eyebrow {
  margin: 0;
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 700;
}

.status-pill {
  border: 1px solid var(--cyan-line);
  background: var(--cyan-soft);
  color: #d8f3ff;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3.9vw, 2.45rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.subtitle {
  margin: 12px 0 22px;
  color: var(--text-soft);
  line-height: 1.6;
  max-width: 55ch;
}

label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.input-row {
  display: flex;
  gap: 10px;
}

input[type="email"] {
  flex: 1;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(10, 19, 32, 0.7);
  padding: 14px 15px;
  color: var(--text-main);
  outline: none;
  font-size: 15px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

input[type="email"]::placeholder {
  color: #64748b;
}

input[type="email"]:focus {
  border-color: var(--cyan-line);
  box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.2);
}

button {
  border: 1px solid rgba(186, 230, 253, 0.4);
  border-radius: 12px;
  min-height: 49px;
  padding: 0 18px;
  background: var(--cyan-strong);
  color: #020617;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease;
}

button:hover {
  background: #f8fdff;
}

button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.form-message {
  min-height: 1.4em;
  margin: 10px 2px 0;
  font-size: 0.92rem;
}

.form-message.error {
  color: var(--danger);
}

.form-message.success {
  color: var(--success);
}

@media (max-width: 640px) {
  .signup-card {
    padding: 22px;
    border-radius: 20px;
  }

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

  button {
    width: 100%;
  }
}