:root {
  --text: #f7f7f2;
  --text-muted: rgba(247, 247, 242, 0.88);
  --overlay-top: rgba(18, 17, 14, 0.25);
  --overlay-bottom: rgba(18, 17, 14, 0.62);
  --cta-bg: #25d366;
  --cta-bg-hover: #1fb85a;
  --cta-text: #ffffff;
  --cta-border: rgba(255, 255, 255, 0.35);
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: #f3f2ef;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-content: end;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background-color: #dcd8d1;
  background-image: url("./inicial.jpg"), url("/inicial.jpg"), url("./assets/inicial.jpg"), url("/assets/inicial.jpg");
  background-size: cover;
  background-position: center;
  isolation: isolate;
}

.overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to bottom, var(--overlay-top), var(--overlay-bottom));
}

.content {
  max-width: 40rem;
}

h1 {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
  font-weight: 600;
  line-height: 1.05;
  font-size: clamp(2rem, 7vw, 4.25rem);
}

h1 span {
  display: block;
}

p {
  margin-top: 0.85rem;
  color: var(--text-muted);
  font-size: clamp(0.88rem, 2.2vw, 1rem);
}

.whatsapp-cta {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.3rem;
  border-radius: 999px;
  border: 1px solid var(--cta-border);
  background: var(--cta-bg);
  color: var(--cta-text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
}

.whatsapp-cta:hover {
  transform: translateY(-1px);
  background: var(--cta-bg-hover);
}

.whatsapp-cta:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 2px;
}

.copyright {
  margin-top: 1.5rem;
  color: rgba(247, 247, 242, 0.8);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

@media (min-width: 768px) {
  .hero {
    padding: clamp(2.2rem, 4vw, 3.5rem);
  }

  .whatsapp-cta {
    right: 2rem;
    bottom: 2rem;
  }
}