/* ===================================================
   Jader Mineiro — Energia Inteligente
   =================================================== */

:root {
  --color-border: #D78740;
  --color-btn-bg: #0A0A0A;
  --color-btn-bg-active: #1E1508;
  --shadow-btn: 0 8px 20px rgba(0, 0, 0, 0.45);
  --shadow-btn-active: 0 3px 8px rgba(0, 0, 0, 0.5);
  --max-width: 430px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: #000;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.page {
  position: relative;
  width: 100%;
  max-width: var(--max-width);
  overflow: hidden;
}

/* A imagem de fundo define a altura real da página,
   preservando a proporção original (sem cortes/crop) */
.page__bg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- Botões ---------- */

.links {
  position: absolute;
  left: 0;
  right: 0;
  top: 48%;               /* posiciona logo abaixo da logo/textos da imagem */
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 0 7% 0;
}

.cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 1416.76 / 267.63;
  padding: 2.2% 4%;
  border-radius: 20px;
  border: 2px solid var(--color-border);
  background: var(--color-btn-bg);
  box-shadow: var(--shadow-btn);
  text-decoration: none;
  transition: background-color 0.18s ease, box-shadow 0.18s ease, transform 0.12s ease, filter 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.cta-btn img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.cta-btn:hover {
  background: var(--color-btn-bg-active);
}

.cta-btn:active {
  background: var(--color-btn-bg-active);
  box-shadow: var(--shadow-btn-active);
  transform: translateY(1px) scale(0.98);
  filter: brightness(1.15);
}

.cta-btn:focus-visible {
  outline: 2px solid var(--color-border);
  outline-offset: 3px;
}

/* ---------- Responsivo ---------- */

@media (min-width: 431px) {
  body {
    background: #000;
  }
  .page {
    margin: 24px 0;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
    border-radius: 18px;
  }
  .page__bg {
    border-radius: 18px;
  }
}

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