:root {
  --green-field: #e8f5e9;
  --green-dark: #043927;
  --green-primary: #228b22;
  --green-light: #a8d5a2;
  --yellow-accent: #ffb300;
  --white: #ffffff;
  --text-dark: #1b1b1b;
}

/* Reset básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', Arial, sans-serif;
  background: var(--green-field);
  color: var(--text-dark);
  line-height: 1.6;
}

/* Navbar */
.navbar {
  background: var(--green-dark);
  color: var(--white);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  color: var(--white);
  font-weight: 700;
  font-size: 1.3rem;
  text-decoration: none;
}

.logo span {
  color: var(--yellow-accent);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--white);
  text-decoration: none;
  transition: 0.3s;
}

.nav-links a:hover {
  color: var(--yellow-accent);
}

/* Hero */
.hero {
  background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)),
    url('/images/hero-football.jpg') center/cover no-repeat;
  color: var(--white);
  text-align: center;
  padding: 6rem 1rem;
}

.hero-content {
  max-width: 700px;
  margin: 0 auto;
}

.hero-content h1 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.hero-content span {
  color: var(--yellow-accent);
}

.hero-content p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.btn-primary {
  background: var(--green-primary);
  color: var(--white);
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.3s;
}

.btn-primary:hover {
  background: var(--yellow-accent);
  color: var(--green-dark);
}

/* Containers e Secções */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 0;
}

.section {
  margin: 3rem 0;
  background: var(--white);
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  padding: 2rem;
}

/* Títulos */
.section h2 {
  text-align: center;
  color: var(--green-dark);
  margin-bottom: 2rem;
  position: relative;
}

.section h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: var(--yellow-accent);
  margin: 0.5rem auto;
  border-radius: 2px;
}

/* Cards de Insights */
.card {
  background: var(--white);
  border: 1px solid var(--green-light);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  transition: transform 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  color: var(--green-primary);
  margin-bottom: 0.5rem;
}

.card p {
  margin-bottom: 1rem;
}

.card .btn-outline {
  border: 2px solid var(--yellow-accent);
  color: var(--yellow-accent);
  padding: 0.5rem 1.2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}

.card .btn-outline:hover {
  background: var(--yellow-accent);
  color: var(--green-dark);
}

/* Footer */
.footer {
  background: var(--green-dark);
  color: var(--white);
  text-align: center;
  padding: 1.5rem 1rem;
  margin-top: 3rem;
}

.footer a {
  color: var(--yellow-accent);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* Responsivo */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 1.7rem;
  }

  .section {
    padding: 1.2rem;
  }
}