/* ─── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --font: 'Inter', system-ui, sans-serif;

  /* Neutral palette — no jarring hues */
  --bg: #0a0a0f;
  --text-primary: rgba(255, 255, 255, 0.92);
  --text-secondary: rgba(255, 255, 255, 0.48);
  --text-muted: rgba(255, 255, 255, 0.30);

  /* Glass surfaces */
  --glass-bg: rgba(255, 255, 255, 0.045);
  --glass-border: rgba(255, 255, 255, 0.10);
  --glass-hover: rgba(255, 255, 255, 0.07);
  --glass-shine: rgba(255, 255, 255, 0.06);

  /* Accent — subtle slate-indigo */
  --accent: rgba(160, 170, 255, 0.85);
  --accent-glow: rgba(130, 140, 255, 0.18);

  /* Orb colors */
  --orb-1: rgba(100, 110, 220, 0.20);
  --orb-2: rgba(180, 160, 255, 0.12);
  --orb-3: rgba(80, 180, 200, 0.10);
}

html, body {
  height: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── Ambient Background ────────────────────────────────────── */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
  animation: drift 20s ease-in-out infinite alternate;
}

.orb-1 {
  width: 520px;
  height: 520px;
  background: var(--orb-1);
  top: -140px;
  left: -160px;
  animation-duration: 22s;
}

.orb-2 {
  width: 380px;
  height: 380px;
  background: var(--orb-2);
  top: 30%;
  right: -100px;
  animation-duration: 28s;
  animation-delay: -6s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: var(--orb-3);
  bottom: 60px;
  left: 20%;
  animation-duration: 25s;
  animation-delay: -12s;
}

@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(30px, 20px) scale(1.06); }
  100% { transform: translate(-20px, 40px) scale(0.96); }
}

/* ─── Header ────────────────────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 22px 36px;
  display: flex;
  align-items: center;

  /* Liquid glass nav bar */
  background: rgba(10, 10, 15, 0.55);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--glass-border);
}

.logo {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  opacity: 0.88;
}

/* ─── Hero ──────────────────────────────────────────────────── */
.hero {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 24px 80px;
  position: relative;
  z-index: 1;
}

.hero-inner {
  max-width: 640px;
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.82;
  padding: 5px 14px;
  border: 1px solid rgba(160, 170, 255, 0.22);
  border-radius: 100px;
  backdrop-filter: blur(8px);
  background: rgba(160, 170, 255, 0.06);
}

.headline {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.description {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 540px;
}

/* ─── Glass Card ────────────────────────────────────────────── */
.glass-card {
  width: 100%;
  max-width: 480px;
  margin-top: 12px;
  padding: 28px 28px 22px;
  border-radius: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(28px) saturate(1.6);
  -webkit-backdrop-filter: blur(28px) saturate(1.6);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.04) inset,
    0 8px 40px rgba(0,0,0,0.35),
    0 1px 0 rgba(255,255,255,0.08) inset;

  /* Subtle top shine for liquid glass effect */
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0.07) 0%,
    rgba(255,255,255,0.00) 55%
  );
  pointer-events: none;
  border-radius: inherit;
}

.card-label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
  text-align: left;
}

/* ─── Waitlist Form ─────────────────────────────────────────── */
.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.input-wrap {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

input[type="email"] {
  flex: 1;
  padding: 12px 16px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  outline: none;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  backdrop-filter: blur(8px);
}

input[type="email"]::placeholder {
  color: var(--text-muted);
}

input[type="email"]:focus {
  border-color: rgba(160, 170, 255, 0.40);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 0 0 3px rgba(160, 170, 255, 0.10);
}

button[type="submit"] {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 20px;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.90);
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 12px;
  cursor: pointer;
  white-space: nowrap;
  backdrop-filter: blur(10px);
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.10) inset,
    0 4px 16px rgba(0,0,0,0.20);
}

button[type="submit"]:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.22);
  transform: translateY(-1px);
}

button[type="submit"]:active {
  transform: translateY(0);
}

.btn-arrow {
  flex-shrink: 0;
  transition: transform 0.2s;
}

button[type="submit"]:hover .btn-arrow {
  transform: translateX(3px);
}

.form-note {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: left;
  padding-left: 2px;
}

/* ─── Success State ─────────────────────────────────────────── */
.success-state {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(160, 220, 180, 0.85);
  font-size: 0.9rem;
  font-weight: 400;
  padding: 4px 0;
  animation: fadeUp 0.4s ease forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Footer ────────────────────────────────────────────────── */
.footer {
  position: relative;
  z-index: 1;
  padding: 24px 36px;
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  border-top: 1px solid var(--glass-border);
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 520px) {
  .header {
    padding: 18px 20px;
  }

  .hero {
    padding: 120px 16px 60px;
  }

  .glass-card {
    padding: 22px 18px 18px;
  }

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

  button[type="submit"] {
    justify-content: center;
  }
}