:root {
  --blue-900: #061e36;
  --blue-800: #0b2f52;
  --blue-600: #14538c;
  --blue-500: #1f74c4;
  --blue-400: #4aa3e0;
  --ice-100: #eef6fc;
  --white: #ffffff;
  --ink-soft: #dbeafc;
  --instagram: #E1306C;
  --facebook: #1877F2;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--white);
}

a { text-decoration: none; color: inherit; }

.hero {
  min-height: 100vh;
  width: 100%;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 560px;
  text-align: center;
  background: rgba(11, 47, 82, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  padding: 56px 40px;
  backdrop-filter: blur(6px);
}

.logo {
  height: 64px;
  width: auto;
  margin: 0 auto 28px;
  background: var(--white);
  padding: 10px 14px;
  border-radius: 12px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--blue-400);
  margin: 0 0 14px;
}

h1 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1.2;
  margin: 0 0 18px;
}

.lead {
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin: 0 0 32px;
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 40px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--white);
  background: #25D366;
  box-shadow: 0 10px 30px -6px rgba(37, 211, 102, 0.6);
  animation: pulse 2.2s ease-in-out infinite;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.btn-whatsapp:hover {
  transform: translateY(-2px) scale(1.02);
  filter: brightness(1.06);
  animation-play-state: paused;
}

@keyframes pulse {
  0%   { box-shadow: 0 10px 30px -6px rgba(37, 211, 102, 0.55), 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70%  { box-shadow: 0 10px 30px -6px rgba(37, 211, 102, 0.55), 0 0 0 18px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 10px 30px -6px rgba(37, 211, 102, 0.55), 0 0 0 0 rgba(37, 211, 102, 0); }
}

@media (prefers-reduced-motion: reduce) {
  .btn-whatsapp { animation: none; }
}

.social-hint {
  margin: 40px 0 14px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--blue-400);
}

.social-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-social {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--white);
  transition: transform 0.15s ease, filter 0.15s ease;
}

.btn-social:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
}

.btn-instagram {
  background: linear-gradient(45deg, #f9ce34, #ee2a7b, #6228d7);
}

.btn-facebook {
  background: var(--facebook);
}

@media (max-width: 480px) {
  .card { padding: 40px 24px; }
}