:root {
  --text-primary: #ffffff;
  --text-secondary: rgba(255,255,255,0.75);
  --text-tertiary: rgba(255,255,255,0.55);
  --glass-bg: rgba(255,255,255,0.08);
  --glass-border: rgba(255,255,255,0.18);
  --button-bg: #ffffff;
  --button-text: #0e5aa7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display",
               system-ui, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;

  background:
    radial-gradient(circle at 50% 35%, 
      #5fd0ff 0%, 
      #2aa9e0 25%, 
      #1c7fc4 50%, 
      #0f4f8f 75%, 
      #082a4d 100%
    );
}

/* ---------- HEADER ---------- */

.top-header {
  text-align: center;
  padding: 1rem 1.5rem 1rem;
  max-width: 800px;
  margin: 0 auto;
}

.top-header h1 {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
}

.coming {
  margin-top: 0.5rem;
  font-size: 1rem;
  color: var(--text-tertiary);
}

/* ---------- HERO LAYOUT ---------- */

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 5rem;
}

/* ---------- GLASS CARD ---------- */

.glass-card {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.5rem;
  max-width: 420px;
}

.glass-card h2 {
  font-weight: 900;
  margin-bottom: 0.75rem;
}

.muted {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.small-muted {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

/* ---------- FORM ---------- */

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

input[type="email"] {
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: none;
  font-size: 1rem;
  outline: none;
}

button {
  padding: 1rem;
  border-radius: 14px;
  border: none;
  background: #ffffff;
  color: #0e5aa7;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.25s ease;

  box-shadow: 
    0 10px 25px rgba(0, 0, 0, 0.15),
    0 0 0 0 rgba(255,255,255,0.6);
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 15px 35px rgba(0, 0, 0, 0.2),
    0 0 25px rgba(255,255,255,0.4);
}

/* ---------- IMAGE ---------- */

.hero-image img {
  max-width: 420px;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 40px 80px rgba(0,0,0,0.3));
}

/* ---------- FOOTER ---------- */

footer {
  text-align: center;
  padding: 2rem 1rem 3rem;
  font-size: 0.85rem;
}

footer a {
  margin: 0 1rem;
  color: var(--text-tertiary);
  text-decoration: none;
}

footer a:hover {
  color: white;
}

/* ---------- RESPONSIVE ---------- */

@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    gap: 3rem;
  }

  .hero-image img {
    max-width: 300px;
  }
}