:root {
  --primary: #a8d8ea;      
  --secondary: #c8a2c8;    
  --background: #fdeba1;   
  --text: #333333;         
  --white: #ffffff;
  --links: #4f9cb8;
}

/* RESET & BASE */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Roboto", sans-serif;
}

body {
  background: linear-gradient(90deg, var(--secondary) 0%, var(--primary) 100%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  font-size: 20px;
}

/* NAVBAR */
nav {
  background-color: var(--white);
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1em 2em;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  border-bottom: 4px solid var(--primary);
}

nav ul {
  display: flex;
  gap: 1.5em;
  list-style: none;
}

nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.1em;
  transition: color 0.3s ease, transform 0.2s ease;
}

nav a:hover {
  color: var(--links);
  transform: scale(1.05);
}

/* HEADER */
.hero {
  background-color: var(--white);
  padding: 6em 2em;
  text-align: center;
  color: var(--text);
  border-bottom: 5px solid var(--primary);
}

.hero h1 {
  font-size: 2.5em;
  font-weight: 700;
  margin-bottom: 0.5em;
  color: var(--secondary);
}

.hero p {
  font-size: 1.3em;
  max-width: 800px;
  margin: 0 auto;
  color: var(--text);
}

/* SECTIONS */

section {
  max-width: 900px;
  background: var(--white);
  margin: 3em auto;
  padding: 2.5em;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  border-left: 8px solid var(--primary);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  scroll-margin-top: 80px;
}

section:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
}

section h2 {
  color: var(--secondary);
  font-size: 1.8em;
  font-weight: 600;
  margin-bottom: 1em;
}

section p {
  margin-bottom: 1em;
  font-size: 22px;
  text-align: justify;
}

section ul {
  margin: 0 0 1em 1.5em;
}

section li {
  margin-bottom: 0.5em;
  text-align: justify;
  font-size: 22px;
}

a {
  color: var(--links);
  text-decoration: none;
  font-weight: 500;
  font-size: 22px;
}

a:hover {
  text-decoration: underline;
}

/* FOOTER */
footer {
  background: var(--white);
  color: var(--text);
  text-align: center;
  padding: 2em;
  border-top: 4px solid var(--primary);
  font-size: 0.9em;
  margin-top: 4em;
}

/* LARGE DESKTOP (>1440px) */
@media (min-width: 1440px) {
  section {
    max-width: 1200px;
    padding: 3em 3.5em;
  }

  .hero h1 {
    font-size: 3.5em;
  }

  .hero p {
    font-size: 1.5em;
  }

  section h2 {
    font-size: 2.2em;
  }
}

/* TABLET (769px - 1440px) */
@media (max-width: 1440px) and (min-width: 769px) {
  .hero h1 {
    font-size: 3em;
  }

  .hero p {
    font-size: 1.4em;
  }

  section h2 {
    font-size: 2em;
  }
}

/* RESPONSIVO MOBILE (<768px) */
@media (max-width: 768px) {
  nav {
    flex-direction: column;
    align-items: flex-start;
  }

  nav a {
    font-size: 1em; 
  }

  nav ul {
    flex-wrap: wrap;
    gap: 0.8em;
  }

  .hero {
    padding: 4em 1em;
  }

  .hero h1 {
    font-size: 2em;
  }

  .hero p {
    font-size: 1.2em;
  }

  section {
    margin: 2em 1em;
    padding: 2em;
  }

  section h2 {
    font-size: 1.6em;
  }

  body {
    font-size: 15px;
  }
}