/* 🔹 Global Styles */

:root {
  --color-white: #f5f5f5;
  --color-white-translucent: #ffffff80;
  --color-shadow-blue: #5992ab1a;
  --color-blue-light: #6c6cec;
  --color-blue-medium: #2d2ba6;
  --color-blue-dark: #000069;
  --color-black: #00000a;
  --color-text-light: #f4f4f4;
  --color-primary: #6c6cec;
  --color-background: #00000a;

  --spacing: 2rem;
  --font-title: "Saira Stencil One", sans-serif;
  --font-primary: "Saira", sans-serif;
  --font-accent: "Pacifico", cursive;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-primary);
}

body {
  background-color: var(--color-background);
  min-width: 320px;
  max-width: 1400px;
  margin: auto;
  color: var(--color-text-light);
}

hr {
  max-width: 100%;
  margin: auto;
  color: var(--color-white);
}

.hr {
  max-width: 70%;
  margin: auto;
  color: var(--color-white);
}

.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(108, 108, 236, 0.6);
}

.back-to-top img {
  width: 45px;
  height: 45px;
  filter: brightness(0) invert(1);
}

@media (max-width: 1400px) {
  .titulo__sobre,
  .titulo__formacoes,
  .titulo__projetos,
  .titulo__contato {
    text-align: center;
  }
}