:root {
  --background: #fafafa;
  --foreground: #111111;
  --card: #ffffff;
  --card-foreground: #111111;
  --primary: #0e3b7e;
  --primary-foreground: #f5faff;
  --secondary: #b8e0ef;
  --secondary-foreground: #1c1c1a;
  --muted: #f4f4f1;
  --muted-foreground: #727070;
  --accent: #f33333;
  --accent-foreground: #f5faff;
  --destructive: #ef4444;
  --destructive-foreground: #f7f7f4;
  --border: #e7e7e5;
  --input: #e7e7e5;
  --ring: #f33333;
  --radius: 0.5rem;
  
  --dark: #1a1a1a;
  --light: #f5f5f5;
}

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

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--foreground);
  background-color: var(--background);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  color: var(--primary);
  line-height: 1.3;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

ul, ol {
  list-style-type: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.section {
  padding: 4rem 0;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.section-description {
  font-size: 1.125rem;
  max-width: 768px;
  margin: 0 auto 3rem;
  text-align: center;
}

.cta-button {
  display: inline-block;
  background-color: var(--accent);
  color: white;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  transition: background-color 0.3s, transform 0.3s;
  text-align: center;
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  background-color: #e62c2c;
  transform: translateY(-2px);
}

/* Header */
.header {
  background-color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-circle {
  height: 3rem;
  width: 3rem;
  background-color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.5rem;
}

.logo-circle span {
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
}

.logo-text {
  font-family: 'Montserrat', sans-serif;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.desktop-nav {
  display: none;
}

.mobile-menu-button {
  display: block;
}

.mobile-menu-button button {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
}

.mobile-nav {
  display: none;
  background-color: white;
  border-top: 1px solid var(--border);
}

.mobile-nav.active {
  display: block;
}

.mobile-nav-container {
  display: flex;
  flex-direction: column;
  padding: 1rem 0;
}

.nav-link {
  display: block;
  padding: 0.75rem 0;
  color: var(--dark);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link.cta-button {
  margin-top: 0.5rem;
  padding: 0.75rem 2rem;
  background-color: var(--accent);
  color: white;
  border-radius: 4px;
  display: inline-block;
  text-align: center;
  text-decoration: none;
}


@media (min-width: 768px) {
  .mobile-menu-button {
    display: none;
  }
  
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
  }
  
  .nav-link {
    padding: 0;
  }
  
  .nav-link.cta-button {
    margin-top: 0;
  }
}

main {
  padding-top: 5rem;
}

.hero-banner {
  position: relative;
  background-image: url('img/chechteam.webp');
  background-size: cover;
  background-position: center;
  background-blend-mode: overlay;
  background-color: rgba(14, 59, 126, 0.85);
  color: white;
  text-align: center;
  padding: 8rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
}

.hero-banner h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: white;
  line-height: 1.2;
}

.hero-banner p {
  font-size: 1.125rem;
  max-width: 768px;
  margin: 0 auto 2rem;
}

.hero-gradient {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4rem;
  background: linear-gradient(to top, var(--light), transparent);
}

@media (min-width: 768px) {
  .hero-banner h1 {
    font-size: 3.5rem;
  }
  
  .hero-banner p {
    font-size: 1.25rem;
  }
}

/* History Section */
.history-section {
  background-color: white;
}

.history-content {
  max-width: 768px;
  margin: 0 auto;
}

.history-content p {
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.about-image img {
  border-radius: var(--radius);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  width: 100%;
}

.about-content p {
  margin-bottom: 1.5rem;
}

.about-stats {
  display: flex;
  margin-top: 2rem;
  gap: 1rem;
}

.stat-item {
  display: flex;
  align-items: center;
}

.stat-icon {
  width: 3rem;
  height: 3rem;
  background-color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  color: white;
  font-size: 1.25rem;
}

.stat-number {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--primary);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--dark);
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.advantages-section {
  background-color: white;
}

.advantages-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.advantage-card {
  background-color: var(--light);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.advantage-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.advantage-image {
  height: 12rem;
  overflow: hidden;
}

.advantage-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.advantage-card:hover .advantage-image img {
  transform: scale(1.05);
}

.advantage-title {
  font-size: 1.25rem;
  margin: 1.5rem 1.5rem 0.75rem;
}

.advantage-description {
  padding: 0 1.5rem 1.5rem;
  color: var(--foreground);
}

@media (min-width: 640px) {
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .advantages-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

.faq-container {
  max-width: 768px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question h3 {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--dark);
}

.accordion-icon {
  color: var(--primary);
  transition: transform 0.3s ease;
}

.faq-item.active .accordion-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding-top: 0;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-top: 1rem;
}

.contact-section {
  background-color: var(--primary);
  color: white;
  padding: 4rem 0;
}

.contact-section .section-title,
.contact-section .section-description {
  color: white;
}

.contact-content {
  max-width: 768px;
  margin: 0 auto;
  text-align: center;
}

.email-form {
  margin-bottom: 1.5rem;
}

.form-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  flex-grow: 1;
}

input[type="email"] {
  width: 100%;
  padding: 0.75rem;
  border-radius: var(--radius);
  border: none;
  font-size: 1rem;
  outline: none;
  color: var(--dark);
}

.error-message {
  color: var(--destructive-foreground);
  font-size: 0.875rem;
  margin-top: 0.5rem;
  text-align: left;
}

.terms-text {
  font-size: 0.875rem;
  opacity: 0.8;
}

.terms-link {
  text-decoration: underline;
  color: white;
}

.terms-link:hover {
  color: var(--secondary);
}

.success-message {
  background-color: #22c55e;
  color: white;
  padding: 1rem;
  border-radius: var(--radius);
  margin-top: 2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  display: none;
}

.success-message.active {
  display: block;
}

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

.success-content i {
  font-size: 1.5rem;
  margin-right: 1rem;
}

.success-content h3 {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: white;
}

@media (min-width: 640px) {
  .form-container {
    flex-direction: row;
  }
  
  .cta-button {
    flex-shrink: 0;
  }
}

.footer {
  background-color: var(--dark);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.footer-brand {
  margin-bottom: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.footer-logo-circle {
  height: 2.5rem;
  width: 2.5rem;
  background-color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.5rem;
}

.footer-logo-circle span {
  color: var(--primary);
  font-size: 1rem;
  font-weight: 700;
}

.footer-logo-text {
  color: white;
  font-weight: 700;
  font-size: 1.125rem;
}

.copyright {
  color: #94a3b8;
  margin-bottom: 1rem;
}

.footer-description {
  color: #94a3b8;
  max-width: 30rem;
  font-size: 0.9375rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.footer-nav a {
  color: #94a3b8;
  transition: color 0.3s;
}

.footer-nav a:hover {
  color: white;
}

.age-restriction {
  display: flex;
  align-items: center;
}

.age-icon {
  width: 2.5rem;
  height: 2.5rem;
  background-color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.75rem;
}

.age-icon span {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--dark);
}

.age-text {
  color: #94a3b8;
  font-size: 0.9375rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 3fr 2fr;
    align-items: flex-start;
  }
  
  .footer-brand {
    margin-bottom: 0;
  }
  
  .footer-links {
    align-items: flex-end;
  }
  
  .footer-nav {
    justify-content: flex-end;
  }
}

.page-content {
  padding: 2rem 0 4rem;
}

.page-title {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--primary);
  align-items: center;
  text-align: center;
}

.page-introduction {
  margin-bottom: 2.5rem;
  font-size: 1.125rem;
}

.page-navigation {
  margin-top: 3rem;
  text-align: center;
}

.back-button {
  display: inline-block;
  background-color: var(--primary);
  color: white;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  transition: background-color 0.3s;
}

.back-button:hover {
  background-color: #0d2f65;
}

.how-to-play-steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.step-card {
  background-color: var(--light);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.step-header {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.step-number {
  background-color: var(--primary);
  color: white;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-right: 1rem;
  flex-shrink: 0;
}

.step-title {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.step-content p {
  margin-bottom: 1rem;
}

.step-list {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.contest-types {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.contest-type {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
}

.contest-type h3 {
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.contest-type p {
  font-size: 0.875rem;
  margin: 0;
  color: var(--muted-foreground);
}

.team-composition {
  background-color: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin: 1rem 0;
}

.team-composition h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.composition-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.composition-list li {
  display: flex;
  justify-content: space-between;
}

@media (min-width: 640px) {
  .contest-types {
    grid-template-columns: repeat(2, 1fr);
  }
}

.points-sections {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.points-card {
  background-color: var(--light);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.points-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.points-category h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.points-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.points-list li {
  display: flex;
  justify-content: space-between;
}

.points-list li span:last-child {
  font-weight: 600;
  color: var(--primary);
}

@media (min-width: 640px) {
  .points-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.legal-content {
  max-width: 768px;
  margin: 0 auto;
}

.date {
  margin-bottom: 2rem;
  color: var(--muted-foreground);
}

.legal-content h2 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
}

.legal-content p {
  margin-bottom: 1rem;
}

.bullet-list {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}