:root {
  --primary: #EE3B2C;   /* Red */
  --secondary: #FA8523; /* Orange */
  --contrast: #1FC1B8 ; /* Teal */
  --dark: #18203A;      /* Dark blue */
  --white: #ECEFF6;     /* White */
  --dark-soft: #212a4d;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Nunito', Arial, Helvetica, sans-serif;
  background-color: var(--dark);
  color: var(--white);
  line-height: 1.6;
}

h1, h2, h3, .logo {
  font-family: 'Baloo 2', 'Nunito', Arial, Helvetica, sans-serif;
  line-height: 1.2;
}

a {
  color: var(--contrast);
  text-decoration: none;
}

img {
  max-width: 100%;
}

/* Header / nav */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: var(--dark);
  border-bottom: 1px solid rgba(224, 228, 220, 0.1);
}

.nav-wrap {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.logo-text {
  color: var(--white);
}

.logo-g {
  color: var(--secondary);
}

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

.main-nav a {
  color: var(--white);
  font-weight: bold;
}

.main-nav a:hover {
  color: var(--contrast);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--white);
}

/* Hero */

.hero {
  text-align: center;
  padding: 5rem 1.5rem;
  background: linear-gradient(160deg, var(--dark) 0%, var(--dark-soft) 100%);
}

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

.eyebrow {
  color: var(--secondary);
  font-weight: bold;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.hero h1 {
  font-size: 2.5rem;
  color: var(--white);
  margin: 0 0 1rem;
}

.hero-text {
  font-size: 1.1rem;
  color: var(--white);
  opacity: 0.9;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

/* Buttons */

.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  font-weight: bold;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background-color: #c92f22;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--contrast);
  color: var(--contrast);
}

.btn-outline:hover {
  background-color: var(--contrast);
  color: var(--dark);
}

button {
  background-color: var(--secondary);
  color: var(--dark);
  border: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: bold;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background-color: #d96f12;
}

/* Sections */

main section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
  text-align: center;
}

main section h2 {
  font-size: 2rem;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.section-intro {
  max-width: 600px;
  margin: 0 auto 2.5rem;
  opacity: 0.85;
}

/* Concept */

.concept-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  text-align: left;
}

.concept-card {
  background-color: var(--dark-soft);
  border-top: 4px solid var(--primary);
  border-radius: 8px;
  padding: 1.5rem;
}

.concept-card:nth-child(2) {
  border-top-color: var(--contrast);
}

.concept-card h3 {
  color: var(--secondary);
  margin-top: 0;
}

.concept-closing {
  margin-top: 2rem;
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--contrast);
}

/* Benefits */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.benefit-card {
  background-color: var(--dark-soft);
  border-radius: 8px;
  padding: 2rem 1.25rem;
  transition: transform 0.2s ease;
}

.benefit-card:hover {
  transform: translateY(-4px);
}

.benefit-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.75rem;
}

.benefit-card h3 {
  color: var(--white);
  margin: 0 0 0.5rem;
}

.benefit-card p {
  opacity: 0.85;
  margin: 0;
}

/* Games */

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.game-card {
  background-color: var(--dark-soft);
  border-radius: 8px;
  padding: 2rem 1.25rem;
  border: 1px solid rgba(31, 193, 184, 0.3);
}

.game-thumb {
  margin-bottom: 0.75rem;
}

.game-thumb img {
  width: 100%;
  border-radius: 6px;
  display: block;
}

.game-card h3 {
  color: var(--contrast);
  margin: 0 0 0.5rem;
}

.game-card p {
  opacity: 0.85;
  margin: 0;
}

/* Contact */

.contact {
  background-color: var(--dark-soft);
  border-radius: 8px;
  max-width: 1100px;
}

/* Footer */

.site-footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--white);
  opacity: 0.7;
  font-size: 0.9rem;
}

/* Fade-in on scroll */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */

@media (max-width: 720px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    display: none;
    width: 100%;
    order: 3;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
  }

  .main-nav li {
    border-top: 1px solid rgba(224, 228, 220, 0.1);
  }

  .main-nav a {
    display: block;
    padding: 0.75rem 1.5rem;
  }

  .nav-wrap {
    flex-wrap: wrap;
  }

  .hero h1 {
    font-size: 1.8rem;
  }
}