@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Manrope:wght@600;700;800&display=swap');

/* --- DESIGN SYSTEM TOKENS --- */
:root {
  /* Colors */
  --primary: #22A652;
  --primary-hover: #1B8A44;
  --secondary: #2F80ED;
  --accent: #7B61FF;
  --warning: #F5B800;
  --streak: #FF6B35;

  /* Text colors */
  --text-primary: #18243D;
  --text-secondary: #657287;
  --text-light: #FFFFFF;

  /* Backgrounds */
  --background: #FAFBFD;
  --surface: #FFFFFF;
  --surface-green: #EAF8EE;
  --surface-blue: #EEF6FF;
  --surface-purple: #F5F2FF;
  --surface-glass: rgba(255, 255, 255, 0.7);

  /* Borders & Shadows */
  --border: #E5EAF2;
  --border-focus: #7B61FF;
  --radius-card: 20px;
  --radius-button: 16px;
  --radius-badge: 50px;
  --shadow-card: 0 8px 24px rgba(24, 36, 61, 0.04);
  --shadow-hover: 0 16px 32px rgba(24, 36, 61, 0.1);
  --shadow-button: 0 4px 12px rgba(34, 166, 82, 0.2);

  /* Spacing Grid (8px based) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Layout */
  --container-width: 85%;
  --max-content-width: 1200px;
}

/* --- RESET & BASE STYLES --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--background);
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Hierarchy (rem for body, clamp for headings) */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
}

h4 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 70ch; /* Limit paragraph width to ~70% of screen/container width for readability */
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

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

/* Layout Utilities */
.container {
  width: var(--container-width);
  max-width: var(--max-content-width);
  margin-left: auto;
  margin-right: auto;
}

.section-padding {
  padding: var(--space-7) 0;
}

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

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

/* --- NAVIGATION BAR --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250, 251, 253, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: var(--space-4) 0;
  transition: padding var(--transition-fast);
}

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

.logo-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.logo-text-wrapper {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.25rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-primary);
}

.logo-subtitle {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
}

/* Menu Links */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--space-5);
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  position: relative;
  padding: var(--space-2) 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

/* Header Buttons & Toggle */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-actions-mobile {
  display: none;
}

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

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px var(--space-5);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-button);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-light);
  box-shadow: var(--shadow-button);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(34, 166, 82, 0.3);
}

.btn-secondary {
  background-color: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.btn-secondary:hover {
  background-color: var(--background);
  border-color: var(--text-secondary);
  transform: translateY(-2px);
}

.btn-login {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px var(--space-4);
}

.btn-login:hover {
  background-color: var(--border);
  transform: translateY(-2px);
}

/* --- HERO SECTION --- */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

/* Decorative Background Gradients */
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(123,97,255,0.12) 0%, rgba(255,255,255,0) 70%);
  z-index: -1;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(34,166,82,0.1) 0%, rgba(255,255,255,0) 70%);
  z-index: -1;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-6);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

/* Heart Tag */
.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: var(--radius-badge);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(24, 36, 61, 0.02);
}

.hero-title span {
  color: var(--primary);
  position: relative;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  margin: var(--space-2) 0;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

/* Social Proof Section below buttons */
.hero-social-proof {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.avatar-stack {
  display: flex;
}

.avatar-stack img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--surface);
  margin-right: -12px;
  object-fit: cover;
}

.avatar-stack img:last-child {
  margin-right: 0;
}

.social-proof-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.social-proof-text strong {
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1rem;
  display: block;
}

/* Hero Right Side - Glowing Collages */
.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img {
  width: 100%;
  max-width: 540px;
  filter: drop-shadow(0 15px 30px rgba(24,36,61,0.08));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

/* --- GAME CATEGORIES (BENTO GRID) --- */
.categories {
  padding-bottom: var(--space-8);
}

.section-header {
  margin-bottom: var(--space-6);
  text-align: center;
}

.section-title {
  margin-bottom: var(--space-2);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.category-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  transition: background var(--transition-normal);
}

/* Distinct top colored bar for bento elements */
.category-card:nth-child(1)::before { background: var(--accent); }
.category-card:nth-child(2)::before { background: var(--primary); }
.category-card:nth-child(3)::before { background: var(--secondary); }
.category-card:nth-child(4)::before { background: var(--warning); }
.category-card:nth-child(5)::before { background: var(--streak); }
.category-card:nth-child(6)::before { background: var(--accent); }
.category-card:nth-child(7)::before { background: var(--secondary); }
.category-card:nth-child(8)::before { background: var(--primary); }

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}

.category-icon-wrapper {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  transition: transform var(--transition-normal);
}

.category-card:hover .category-icon-wrapper {
  transform: scale(1.1);
}

.category-card-title {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-1);
}

.category-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.category-link {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--secondary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

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

/* --- WHY PLAYERS LOVE US (BENTO LAYOUT) --- */
.why-us {
  padding-bottom: var(--space-8);
}

.why-us-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-5);
  align-items: stretch;
}

.why-us-left {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

.feature-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.feature-icon-box {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  font-size: 1.5rem;
}

.feature-card:nth-child(1) .feature-icon-box { background-color: var(--surface-green); color: var(--primary); }
.feature-card:nth-child(2) .feature-icon-box { background-color: var(--surface-purple); color: var(--accent); }
.feature-card:nth-child(3) .feature-icon-box { background-color: var(--surface-blue); color: var(--secondary); }
.feature-card:nth-child(4) .feature-icon-box { background-color: #FFF6E0; color: var(--warning); }

.feature-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Bento Right Block (Schools/Groups) */
.groups-block {
  background-color: var(--surface-blue);
  border: 1px solid rgba(47, 128, 237, 0.15);
  border-radius: var(--radius-card);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.groups-content {
  z-index: 2;
  max-width: 90%;
}

.groups-title {
  color: #1A54A6;
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.groups-desc {
  font-size: 0.95rem;
  color: #4A607A;
  margin-bottom: var(--space-5);
}

.groups-illustration {
  align-self: flex-end;
  width: 100%;
  max-width: 240px;
  margin-top: var(--space-4);
  margin-bottom: calc(-1 * var(--space-6));
  margin-right: calc(-1 * var(--space-4));
  filter: drop-shadow(0 8px 16px rgba(47,128,237,0.12));
}

/* --- STATISTICS SECTION --- */
.stats {
  padding-bottom: var(--space-7);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.stat-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: transform var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-2px);
}

.stat-icon-wrapper {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.stat-card:nth-child(1) .stat-icon-wrapper { background-color: var(--surface-green); color: var(--primary); }
.stat-card:nth-child(2) .stat-icon-wrapper { background-color: var(--surface-purple); color: var(--accent); }
.stat-card:nth-child(3) .stat-icon-wrapper { background-color: #FFF6E0; color: var(--warning); }
.stat-card:nth-child(4) .stat-icon-wrapper { background-color: var(--surface-blue); color: var(--secondary); }

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* --- GREEN CTA SECTION --- */
.green-cta {
  padding-bottom: var(--space-8);
}

.green-cta-box {
  background: linear-gradient(135deg, #22A652 0%, #157337 100%);
  border-radius: var(--radius-card);
  padding: var(--space-6) var(--space-7);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-6);
  color: var(--text-light);
  box-shadow: 0 12px 36px rgba(34, 166, 82, 0.25);
  position: relative;
  overflow: hidden;
}

.green-cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 80% 20%, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 50%);
  pointer-events: none;
}

.cta-character {
  width: 120px;
  height: 120px;
  object-fit: contain;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.15));
}

.cta-text-side {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.cta-text-side h2 {
  color: var(--text-light);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

.cta-text-side p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.05rem;
}

.green-cta-box .btn-primary {
  background-color: var(--surface);
  color: var(--primary);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.green-cta-box .btn-primary:hover {
  background-color: var(--background);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

/* --- FOOTER --- */
.footer {
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--space-7) 0 var(--space-5) 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.footer-col-title {
  font-size: 0.95rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: var(--space-1);
}

.social-icons {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.social-btn:hover {
  background-color: var(--background);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.contact-item a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: var(--space-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
}

.copyright {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.legal-info {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* --- MOBILE RESPONSIVENESS --- */
@media (max-width: 1024px) {
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    text-align: center;
  }
  .hero-content {
    align-items: center;
  }
  .hero-cta {
    justify-content: center;
  }
  .hero-social-proof {
    justify-content: center;
  }
  .why-us-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* Navigation mobile menu styles */
  .menu-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: var(--space-5) var(--space-4);
    flex-direction: column;
    align-items: stretch;
    box-shadow: 0 10px 15px rgba(0,0,0,0.05);
    border-radius: 0 0 var(--radius-card) var(--radius-card);
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-actions {
    display: none;
  }

  .nav-menu .nav-actions-mobile {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-4);
    border-top: 1px solid var(--border);
    padding-top: var(--space-4);
  }

  .green-cta-box {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }

  .cta-character {
    order: -1;
  }
}

@media (max-width: 480px) {
  :root {
    --container-width: 90%; /* Slightly wider container on very small mobile to save space */
  }
  .category-grid {
    grid-template-columns: 1fr;
  }
  .why-us-left {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}