/* CSS Variables - 60-30-10 Color Scheme */
:root {
  --primary-color: #2c3e50;
  --secondary-color: #34495e;
  --accent-color: #e74c3c;
  --background-color: #ffffff;
  --text-color: #2c3e50;
  --text-light: #7f8c8d;
  --border-color: #ecf0f1;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --overlay-color: rgba(0, 0, 0, 0.8);
  
  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Grid */
  --container-max-width: 1200px;
  --grid-gap: 1.5rem;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-sm);
}

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

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

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Grid System */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

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

.btn--primary:hover {
  background-color: #c0392b;
}

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

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

.btn--outline {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

/* Age Verification Popup */
.age-verification {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--overlay-color);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.age-verification__popup {
  background-color: var(--background-color);
  padding: var(--spacing-xl);
  border-radius: 8px;
  max-width: 500px;
  width: 90%;
  text-align: center;
  box-shadow: 0 10px 30px var(--shadow-color);
}

.age-verification__title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.age-verification__message {
  margin-bottom: var(--spacing-lg);
  color: var(--text-light);
}

.age-verification__button {
  background-color: var(--accent-color);
  color: white;
  padding: var(--spacing-sm) var(--spacing-xl);
  border: none;
  border-radius: 4px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  max-width: 200px;
}

.age-verification__button:hover {
  background-color: #c0392b;
}

.age-verification__footer {
  margin-top: var(--spacing-md);
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Hidden content when age verification is active */
.content-hidden {
  display: none;
}

/* Header */
.header {
  background-color: var(--background-color);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-sm) 0;
}

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

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header__logo-img {
  height: 40px;
  width: auto;
}

.header__nav {
  display: flex;
  gap: var(--spacing-lg);
}

.header__nav-link {
  font-weight: 500;
  color: var(--text-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
}

.header__nav-link:hover {
  background-color: var(--border-color);
}

.header__hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.header__hamburger-line {
  width: 25px;
  height: 3px;
  background-color: var(--text-color);
  margin: 3px 0;
  transition: 0.3s;
}

.header__hamburger--active .header__hamburger-line:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.header__hamburger--active .header__hamburger-line:nth-child(2) {
  opacity: 0;
}

.header__hamburger--active .header__hamburger-line:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

.header__mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  height: 100vh;
  background-color: var(--background-color);
  box-shadow: -2px 0 10px var(--shadow-color);
  z-index: 1000;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.header__mobile-menu--active {
  display: block;
}

.header__mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.header__mobile-nav-link {
  font-weight: 500;
  color: var(--text-color);
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
}

.header__mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--overlay-color);
  z-index: 999;
}

.header__mobile-overlay--active {
  display: block;
}

/* Hero Sections */
.hero {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  padding: var(--spacing-xxl) 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
}

.hero__content {
  position: relative;
  z-index: 1;
  color: white;
  text-align: center;
}

.hero__title {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.hero__subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

.hero__button {
  margin-top: var(--spacing-md);
}

/* Sections */
.section {
  padding: var(--spacing-xxl) 0;
}

.section--alt {
  background-color: #f8f9fa;
}

.section__title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-size: 2.5rem;
}

.section__subtitle {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-size: 1.25rem;
  color: var(--text-light);
}

/* Platform Cards */
.platform-card {
  background-color: white;
  border-radius: 8px;
  padding: var(--spacing-lg);
  box-shadow: 0 4px 6px var(--shadow-color);
  text-align: center;
  border: 1px solid var(--border-color);
}

.platform-card__logo {
  height: 60px;
  width: auto;
  margin-bottom: var(--spacing-md);
}

.platform-card__title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.platform-card__excerpt {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

.platform-card__features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.platform-card__feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

.platform-card__buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* Feature Lists */
.feature-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.feature-item__icon {
  font-size: 2rem;
  color: var(--accent-color);
  margin-top: var(--spacing-xs);
}

.feature-item__content h3 {
  margin-bottom: var(--spacing-xs);
}

/* Pros and Cons */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.pros-cons__section {
  background-color: white;
  padding: var(--spacing-lg);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.pros-cons__title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.pros-cons__title--pros {
  color: #27ae60;
}

.pros-cons__title--cons {
  color: #e74c3c;
}

.pros-cons__list {
  list-style: none;
}

.pros-cons__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.pros-cons__item--pro {
  color: #27ae60;
}

.pros-cons__item--con {
  color: #e74c3c;
}

/* Accordion */
.accordion {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.accordion__item {
  border-bottom: 1px solid var(--border-color);
}

.accordion__item:last-child {
  border-bottom: none;
}

.accordion__header {
  padding: var(--spacing-md);
  background-color: var(--background-color);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accordion__header:hover {
  background-color: var(--border-color);
}

.accordion__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.accordion__icon {
  font-size: 1.25rem;
  color: var(--text-light);
}

.accordion__content {
  padding: var(--spacing-md);
  background-color: white;
  display: none;
}

.accordion__content--active {
  display: block;
}

/* Footer */
.footer {
  background-color: var(--primary-color);
  color: white;
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

.footer__brand {
  text-align: center;
}

.footer__logo {
  height: 50px;
  width: auto;
  margin-bottom: var(--spacing-sm);
}

.footer__site-name {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

.footer__badges {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.footer__badge {
  height: 40px;
  width: auto;
}

.footer__navigation {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.footer__nav-section {
  text-align: center;
}

.footer__nav-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.footer__nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__nav-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

.footer__nav-link:hover {
  color: white;
}

.footer__notices {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer__notice {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-sm);
}

/* Responsive Design */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero__title {
    font-size: 3.5rem;
  }
  
  .feature-list {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pros-cons {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer__container {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer__navigation {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
  
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .header__hamburger {
    display: none;
  }
  
  .header__nav {
    display: flex;
  }
  
  .feature-list {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .footer__container {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .footer__navigation {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1023px) {
  .header__nav {
    display: none;
  }
  
  .header__hamburger {
    display: flex;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

.color-primary { color: var(--primary-color); }
.color-secondary { color: var(--secondary-color); }
.color-accent { color: var(--accent-color); }
.color-light { color: var(--text-light); }

.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: var(--secondary-color); }
.bg-accent { background-color: var(--accent-color); }
.bg-light { background-color: var(--border-color); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

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

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

.flex-wrap { flex-wrap: wrap; }
.flex-column { flex-direction: column; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.border-radius { border-radius: 8px; }
.box-shadow { box-shadow: 0 4px 6px var(--shadow-color); }

.last-updated {
  font-size: 0.8rem;
  color: var(--text-light);
  text-align: center;
  margin-top: var(--spacing-sm);
}