body{
  font-family: var(--font-p); 
  color: var(--secondary-color); 
  display: grid;
  grid-template-areas:
    "header"
    "main"
    "footer";
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
  margin: 0;
}

.header-nav {
    display: flex;
    align-items: center;
    justify-content: space-between; 
    gap: 40px; 
    padding: 5px 20px; 
    margin: 0;
    position: relative;
    z-index: 1000;
}

.header-nav.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
}

.header-nav .logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-nav .logo img {
    max-width: 50px;
}

.header-nav .logo p {
    font-family: var(--font-title);
    font-size: 18px;
    font-weight: 700;
    margin: 0;
}

/* Links do menu */
.nav-links {
    list-style: none;
    display: flex;
    gap: 40px;
    align-items: center;
    margin-left: auto;
    padding: 0;
    transition: all 0.3s ease;
}

.nav-links li a {
    font-family: var(--font-p);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.nav-links li a:hover {
    color: var(--secondary-color);
}

/* Botão do navlink */
.btn-nav {
    font-family: var(--font-p);
    font-weight: 600;
    font-size: 16px;
    color: var(--font-p);
    background-color: #5865F2; 
    padding: 8px 20px;
    border-radius: 28px;
    border: solid 1px rgba(0, 0, 0, 0.157);
    transition: background-color 0.3s, transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-nav:hover {
    background-color: #5865F2; 
    color: #fff; 
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* --- Botão Hamburguer --- */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
  z-index: 1001;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 5px;
  transition: all 0.3s ease;
}

/* Mobile */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 70px;
    right: 0;
    background: var(--secondary-color);
    flex-direction: column;
    gap: 20px;
    width: 220px;
    padding: 20px;
    border-radius: 0 0 0 12px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-20px);
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  /* Animação X */
  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translateY(8px);
  }
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-8px);
  }
}

/* --- Animação fadeInUp --- */
@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate {
  opacity: 0;
}

header {
  grid-area: header;
  display: grid;
  place-items: center;
  width: 100%;
  height: 459px;
  background-image: url("../image/header.png");
  background-size: cover;
  background-position: center;
  color: var(--primary-color);
  text-align: center;
  animation: moveBg 20s linear infinite;
}

@keyframes moveBg {
  0% { background-position: center top; }
  50% { background-position: center bottom; }
  100% { background-position: center top; }
}

.btn-download, .btn-browser {
  font-family: var(--font-p, 'Arial', sans-serif);
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn-download:hover, .btn-browser:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.header-content {
  display: grid;
  place-items: center;        
  gap: 1rem;
  max-width: 900px;
  padding: 16px;
}

.header-content h1{
  font-family: var(--font-title);
  font-weight: 400;
  font-style: normal;
  font-size: 56px;
  line-height: 1;
  letter-spacing: 0;
  margin: 0 0 12px;
}

.header-content p{
  font-family: var(--font-p);
  font-weight: 400;
  font-style: normal;
  font-size: 16px;
  line-height: 1.4;
  letter-spacing: 0;
  margin: 0 0 16px;
}

.btn-container{
  display: grid;
  grid-auto-flow: column;    
  gap: 1rem;
  justify-items: center;      
  justify-content: center;    
  align-items: center;
  font-family: var(--font-p);
  
}
.btn-download{
    background-color: var(--primary-color);
    color: var(--secondary-color);
    font-weight: 400;
    font-style: Regular;
    font-size: 16px;
    line-height: 100%;
    letter-spacing: 0%;
    text-align: center;
    border-radius: 28px;
    padding: 10px 20px;
    border-style: none;
}
.btn-browser{
    font-weight: 400;
    font-style: Regular;
    font-size: 16px;
    line-height: 100%;
    letter-spacing: 0%;
    text-align: center;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border-radius: 28px;
    padding: 10px 20px;
    border-style: none;
}
.btn-download, .btn-browser {
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn-download:hover, .btn-browser:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

a{
    text-decoration: none;
}

.section1 h2,
.section2 h2,
.section3 h2 {
  font-family: var(--font-p);
  font-weight: 800;
  font-size: 40px;
  line-height: 100%;
  letter-spacing: 0%;
}

.section1 .text,
.section2 .text,
.section3 .text,
.section4 .text {
  font-family: var(--font-p);
}

.section1{
    display: grid;
    grid-template-columns: 1fr 1fr; 
    align-items: center;
    gap: 40px;
    padding: 20px;
}

.section1 .text{ order: 2; }
.section1 .image{ order: 1; }

.section2{
    display: grid;
    grid-template-columns: 1fr 1fr; 
    align-items: center;
    gap: 40px;
    background-color: var(--section-bg-color);
    padding: 20px;
}

.section3{
    display: grid;
    grid-template-columns: 1fr 1fr; 
    align-items: center;
    gap: 40px;
    padding: 20px;
}

.section3 .text{ order: 2; }
.section3 .image{ order: 1; }

.section4 {
    display: grid;
    place-items: center; 
    background-color: var(--section-bg-color);
    padding: 20px 40px;
    text-align: center; 
}

.section4 .text {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center; 
    max-width: 800px; 
}

.section4 h2 {
    font-family: var(--font-title);
    font-weight: 400;
    font-size: 40px;
    line-height: 100%;
    letter-spacing: 0%;
    text-align: center;
}

.section4 p {
    font-size: 16px;
    line-height: 1.5;
}

footer {
  grid-area: footer;
  display: flex;
  flex-direction: row; 
  align-items: center;    
  justify-content: center; 
  background-color: var(--secondary-color);
  padding: 20px;
  font-family: var(--font-p);
  font-size: 20px;
  color: var(--primary-color);
}

footer img {
  max-width: 100px;
  margin-bottom: 10px;
  padding: 10px;
}

footer p, a {
  font-family: var(--font-title);
  color: var(--primary-color);
}