:root {
  --pitch-green: #1e7d32;
  --pitch-green-dark: #14531f;
  --grass-light: #2e9c44;
  --white: #ffffff;
  --off-white: #f4f7f2;
  --ink: #1a1a1a;
  --gold: #ffc107;
  --card-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  --max-width: 1000px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--off-white);
  line-height: 1.6;
}

header {
  background: linear-gradient(135deg, var(--pitch-green), var(--pitch-green-dark));
  color: var(--white);
  padding: 1.2rem 1.5rem;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--white);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

nav a {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  padding: 0.3rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

nav a:hover,
nav a.active {
  border-color: var(--gold);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

.hero {
  background: linear-gradient(rgba(20, 83, 31, 0.85), rgba(20, 83, 31, 0.85)),
    repeating-linear-gradient(90deg, var(--grass-light) 0px, var(--grass-light) 40px, var(--pitch-green) 40px, var(--pitch-green) 80px);
  color: var(--white);
  border-radius: 12px;
  padding: 3rem 2rem;
  text-align: center;
  margin-bottom: 2rem;
  box-shadow: var(--card-shadow);
}

.hero h1 {
  font-size: 2.2rem;
  margin: 0 0 0.75rem;
}

.hero p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  opacity: 0.95;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.card {
  background: var(--white);
  border-radius: 10px;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  border-top: 4px solid var(--pitch-green);
}

.card h3 {
  margin-top: 0;
  color: var(--pitch-green-dark);
}

section {
  margin-bottom: 2.5rem;
}

section h2 {
  color: var(--pitch-green-dark);
  border-bottom: 3px solid var(--gold);
  display: inline-block;
  padding-bottom: 0.3rem;
}

footer {
  background: var(--pitch-green-dark);
  color: var(--white);
  text-align: center;
  padding: 1.5rem;
  font-size: 0.9rem;
}

footer a {
  color: var(--gold);
}

/* Positions page: interactive pitch */
.pitch-wrap {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  align-items: flex-start;
}

.pitch {
  position: relative;
  width: 340px;
  height: 500px;
  background: repeating-linear-gradient(0deg, var(--grass-light) 0px, var(--grass-light) 50px, var(--pitch-green) 50px, var(--pitch-green) 100px);
  border: 4px solid var(--white);
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  flex-shrink: 0;
}

.pitch::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.7);
}

.player-dot {
  position: absolute;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid var(--white);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease, background 0.15s ease;
}

.player-dot:hover,
.player-dot.selected {
  transform: translate(-50%, -50%) scale(1.15);
  background: var(--white);
}

.position-info {
  flex: 1;
  min-width: 260px;
  background: var(--white);
  border-radius: 10px;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  min-height: 200px;
}

.position-info h3 {
  margin-top: 0;
  color: var(--pitch-green-dark);
}

/* History timeline */
.timeline {
  border-left: 4px solid var(--pitch-green);
  padding-left: 1.5rem;
  margin-left: 0.5rem;
}

.timeline-item {
  margin-bottom: 1.75rem;
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -1.95rem;
  top: 0.3rem;
  width: 14px;
  height: 14px;
  background: var(--gold);
  border-radius: 50%;
  border: 2px solid var(--pitch-green-dark);
}

.timeline-item .year {
  font-weight: 800;
  color: var(--pitch-green-dark);
  font-size: 1.1rem;
}

/* Quiz */
#quiz-card {
  background: var(--white);
  border-radius: 10px;
  padding: 1.75rem;
  box-shadow: var(--card-shadow);
  max-width: 600px;
}

#quiz-question {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

#quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.quiz-option {
  padding: 0.7rem 1rem;
  border: 2px solid var(--pitch-green);
  border-radius: 8px;
  background: var(--off-white);
  cursor: pointer;
  text-align: left;
  font-size: 1rem;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.quiz-option:hover {
  background: #e4f2e6;
}

.quiz-option.correct {
  background: #c8e6c9;
  border-color: #2e7d32;
}

.quiz-option.incorrect {
  background: #ffcdd2;
  border-color: #c62828;
}

#quiz-feedback {
  min-height: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

#quiz-score {
  font-weight: 700;
  color: var(--pitch-green-dark);
}

button.primary-btn {
  background: var(--pitch-green);
  color: var(--white);
  border: none;
  padding: 0.65rem 1.3rem;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  font-size: 1rem;
}

button.primary-btn:hover {
  background: var(--pitch-green-dark);
}

button.primary-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@media (max-width: 600px) {
  nav ul {
    gap: 0.9rem;
  }
  .hero h1 {
    font-size: 1.6rem;
  }
  .pitch {
    width: 100%;
    max-width: 340px;
  }
}