:root {
  --color-primary: #e53935;
  --color-secondary: #ffb300;
  --color-dark: #121212;
  --color-light: #f8f8f8;
  --color-text: #444;
  --font-heading: "Oswald", sans-serif;
  --font-body: "Roboto", sans-serif;
  --spacing-lg: 6rem;
  --spacing-md: 3rem;
  --spacing-sm: 1.5rem;
  --border-radius: 12px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-light);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

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

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

h1,
h2,
h3 {
  font-family: var(--font-heading);
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: 3.5rem;
}
h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}
h3 {
  font-size: 1.75rem;
}

section {
  padding: var(--spacing-lg) 0;
  position: relative;
  overflow: hidden;
}

.section-title {
  text-align: center;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--color-dark);
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-primary);
  margin: 10px auto 0;
  border-radius: 2px;
}

.main-header {
  background-color: var(--color-dark);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

.logo-link {
  display: flex;
  align-items: center;
  color: var(--color-light);
  font-weight: 700;
  font-size: 1.5rem;
  text-transform: uppercase;
}

.logo {
  width: 40px;
  height: 40px;
  margin-right: 10px;
}

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

.main-nav .nav-link {
  color: var(--color-light);
  font-weight: 500;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: border-bottom 0.3s, color 0.3s;
}

.main-nav .nav-link:hover {
  color: var(--color-secondary);
  border-bottom: 2px solid var(--color-primary);
}

.nav-cta {
  display: none;
}

.hero-section {
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
    url("img/gameplay_scene_01.webp") no-repeat center center;
  background-size: cover;
  color: var(--color-light);
  text-align: center;
  padding: 10rem 0;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-title {
  color: var(--color-primary);
  font-size: 5rem;
  text-transform: uppercase;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
  letter-spacing: 5px;
}

.hero-subtitle {
  color: var(--color-light);
  font-size: 1.8rem;
  font-weight: 300;
  margin-bottom: var(--spacing-md);
}

.hero-text {
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
  font-size: 1.1rem;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.store-badge {
  height: 60px;
  transition: transform 0.3s;
}

.store-badge:hover {
  transform: scale(1.05);
}

.legal-note {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-top: 10px;
}

.game-description-section {
  background-color: var(--color-light);
}

.description-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.description-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: 8px 8px 0 var(--color-primary), 16px 16px 0 rgba(0, 0, 0, 0.1);
}

.features-section {
  background-color: #eeeeee;
  padding-bottom: calc(var(--spacing-lg) + 2rem);
}

.features-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  padding-top: var(--spacing-sm);
}

.feature-item {
  background-color: #ffffff;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  border-left: 5px solid var(--color-primary);
  font-weight: 500;
  transition: transform 0.3s;
}

.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.gallery-section {
  background-color: var(--color-dark);
  color: var(--color-light);
  text-align: center;
}

.gallery-section .section-title {
  color: var(--color-light);
}

.gallery-section .section-title::after {
  background: var(--color-secondary);
}

.section-subtitle {
  margin-bottom: var(--spacing-md);
  font-style: normal;
  font-size: 1.1rem;
  opacity: 0.8;
}

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.screenshot-img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  object-fit: cover;
  aspect-ratio: 16 / 9;
  transition: transform 0.5s, box-shadow 0.5s;
  cursor: pointer;
}

.screenshot-img:hover {
  transform: scale(1.03);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

@media (max-width: 900px) {
  .screenshots-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 500px) {
  .screenshots-grid {
    grid-template-columns: 1fr;
  }
}

.how-to-play-section {
  background-color: var(--color-light);
}

.instructions-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.instructions-steps {
  order: 1;
}

.instruction-image {
  order: 2;
}

.steps-list {
  list-style: none;
  counter-reset: step-counter;
}

.step-item {
  position: relative;
  padding: 1rem 0 1rem 3.5rem;
  margin-bottom: 1rem;
  font-size: 1.1rem;
  border-left: 2px solid #ccc;
}

.step-item::before {
  counter-increment: step-counter;
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 35px;
  height: 35px;
  background-color: var(--color-primary);
  color: var(--color-light);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 700;
  font-family: var(--font-heading);
  box-shadow: 0 0 0 5px var(--color-light);
}

.instruction-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: -8px 8px 0 var(--color-secondary), -16px 16px 0 rgba(0, 0, 0, 0.1);
}

.cta-section {
  background-color: var(--color-primary);
  color: var(--color-light);
  text-align: center;
  padding: 8rem 0;
}

.cta-title {
  color: var(--color-light);
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.cta-title::after {
  background: var(--color-secondary);
}

.cta-text {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto var(--spacing-md);
}

.main-footer {
  background-color: var(--color-dark);
  color: var(--color-light);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-md);
  border-bottom: 1px solid #333;
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.footer-heading {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.footer-list {
  list-style: none;
  padding: 0;
}

.footer-list li {
  margin-bottom: 0.5rem;
}

.footer-link {
  color: var(--color-light);
  opacity: 0.8;
  transition: opacity 0.3s, color 0.3s;
}

.footer-link:hover {
  color: var(--color-secondary);
  opacity: 1;
}

.footer-col.company-info .contact-detail {
  font-size: 0.9rem;
  margin-top: 0.5rem;
  opacity: 0.7;
}

.footer-col.company-info .copyright {
  margin-top: var(--spacing-md);
  font-size: 0.8rem;
  opacity: 0.5;
}

.footer-col.app-links .store-badge {
  height: 45px;
  display: block;
  margin-bottom: 10px;
}

@media (max-width: 1024px) {
  h1 {
    font-size: 4rem;
  }
  h2 {
    font-size: 2rem;
  }
  .main-nav .nav-list {
    gap: 1rem;
  }
  .description-container,
  .instructions-container {
    grid-template-columns: 1fr;
  }
  .instruction-image {
    order: -1;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-col.company-info {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .header-container {
    justify-content: center;
  }
  .hero-title {
    font-size: 3rem;
  }
  .hero-section {
    padding: 6rem 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-col {
    margin-bottom: var(--spacing-md);
  }
  .footer-col.company-info {
    grid-column: span 1;
    text-align: center;
  }
  .footer-list {
    padding-left: 0;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 1.75rem;
  }
  section {
    padding: 4rem 0;
  }
  .store-badge {
    height: 45px;
  }
  .download-buttons {
    flex-direction: column;
    align-items: center;
  }
}