/* Reset e estilos base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Paleta de cores - tons laranja/vermelho institucionais */
  --primary: #ff5722;
  --primary-dark: #e64a19;
  --primary-light: #ff9800;
  --secondary: #ffb74d;
  --accent: #ff7043;
  --bg-light: #fff3e0;
  --bg-white: #ffffff;
  --text-dark: #3e2723;
  --text-gray: #5d4037;
  --text-light: #8d6e63;
  --border: #ffe0b2;
  --success: #4caf50;
  --shadow: rgba(255, 87, 34, 0.1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, 'Roboto', 'Inter', 'Arial', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-gray);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Botões */
.btn {
  display: inline-block;
  padding: 12px 30px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--bg-white);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow);
}

.btn-secondary {
  background-color: var(--accent);
  color: var(--bg-white);
}

.btn-secondary:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--bg-white);
}

/* Grid system */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Flexbox utilities */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-column {
  flex-direction: column;
}

/* Spacing */
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.py-1 { padding-top: 1rem; padding-bottom: 1rem; }
.py-2 { padding-top: 2rem; padding-bottom: 2rem; }
.py-3 { padding-top: 3rem; padding-bottom: 3rem; }
.py-4 { padding-top: 4rem; padding-bottom: 4rem; }
.py-5 { padding-top: 5rem; padding-bottom: 5rem; }

/* Text utilities */
.text-center { text-align: center; }
.text-white { color: var(--bg-white); }
.text-primary { color: var(--primary); }

/* Backgrounds */
.bg-light { background-color: var(--bg-light); }
.bg-white { background-color: var(--bg-white); }
.bg-primary { background-color: var(--primary); }

/* Cards */
.card {
  background: var(--bg-white);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 2px 8px var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 16px var(--shadow);
}

/* Sections */
section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.section-title p {
  font-size: 1.1rem;
  color: var(--text-light);
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.25rem; }
  
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  
  section {
    padding: 3rem 0;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
}