/* ==========================================================================
   Custom Properties
   ========================================================================== */

:root {
   --kn-color-brand-red: #bb5300;
   --kn-color-brand-yellow: #ca8c00;
   --kn-color-brand-blue: #00649d;

   --kn-color-bg-primary: #121212;
   --kn-color-bg-secondary: #1e1e1e;
   --kn-color-text-primary: #f0f0f0;
   --kn-color-text-muted: #a0a0a0;

   --kn-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI',
      Roboto, sans-serif;

   --kn-container-max-width: 1100px;
   --kn-spacing-sm: 0.5rem;
   --kn-spacing-md: 1rem;
   --kn-spacing-lg: 2rem;
   --kn-spacing-xl: 3rem;
}

/* ==========================================================================
   Reset
   ========================================================================== */

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

/* ==========================================================================
   Base
   ========================================================================== */

body {
   background-color: var(--kn-color-bg-primary);
   color: var(--kn-color-text-primary);
   font-family: var(--kn-font-family);
   line-height: 1.6;
   min-height: 100vh;
   display: flex;
   flex-direction: column;
}

main {
   flex: 1;
}

a {
   color: var(--kn-color-brand-yellow);
   text-decoration: none;
}

a:hover {
   text-decoration: underline;
}

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

/* ==========================================================================
   Container
   ========================================================================== */

.container {
   width: 100%;
   max-width: var(--kn-container-max-width);
   margin: 0 auto;
   padding: 0 var(--kn-spacing-md);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.site-nav {
   background-color: var(--kn-color-bg-secondary);
   padding: var(--kn-spacing-md) 0;
   border-bottom: 2px solid var(--kn-color-brand-red);
}

.nav-container {
   max-width: var(--kn-container-max-width);
   margin: 0 auto;
   padding: 0 var(--kn-spacing-md);
   display: flex;
   align-items: center;
   justify-content: space-between;
}

.nav-brand {
   font-size: 1.4rem;
   font-weight: 700;
   color: var(--kn-color-text-primary);
   text-decoration: none;
}

.nav-brand:hover {
   color: var(--kn-color-brand-yellow);
   text-decoration: none;
}

.nav-links {
   display: flex;
   gap: var(--kn-spacing-md);
}

.nav-links a {
   color: var(--kn-color-text-primary);
   font-size: 0.95rem;
   transition: color 0.2s ease;
}

.nav-links a:hover {
   color: var(--kn-color-brand-yellow);
   text-decoration: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
   background-color: var(--kn-color-bg-secondary);
   padding: var(--kn-spacing-lg) 0;
   margin-top: var(--kn-spacing-xl);
   border-top: 2px solid var(--kn-color-brand-red);
}

.footer-container {
   max-width: var(--kn-container-max-width);
   margin: 0 auto;
   padding: 0 var(--kn-spacing-md);
   display: flex;
   align-items: center;
   justify-content: space-between;
   font-size: 0.9rem;
   color: var(--kn-color-text-muted);
}

.footer-container a {
   color: var(--kn-color-text-muted);
   transition: color 0.2s ease;
}

.footer-container a:hover {
   color: var(--kn-color-brand-yellow);
   text-decoration: none;
}

@media (max-width: 600px) {
   .footer-container {
      flex-direction: column;
      gap: var(--kn-spacing-sm);
      text-align: center;
   }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
   padding: var(--kn-spacing-xl) 0;
   text-align: center;
}

.hero .container {
   display: flex;
   flex-direction: column;
   align-items: center;
   gap: var(--kn-spacing-md);
}

.hero-title {
   font-size: 3.5rem;
   font-weight: 800;
   color: var(--kn-color-brand-yellow);
   line-height: 1.1;
}

.hero-tagline {
   font-size: 1.5rem;
   font-weight: 600;
   color: var(--kn-color-text-primary);
}

.hero-subtitle {
   font-size: 1.1rem;
   color: var(--kn-color-text-muted);
}

.hero-cta {
   display: inline-block;
   margin-top: var(--kn-spacing-sm);
   padding: 0.75rem 2rem;
   background-color: var(--kn-color-brand-blue);
   color: var(--kn-color-text-primary);
   font-size: 1.1rem;
   font-weight: 600;
   border-radius: 8px;
   transition: background-color 0.2s ease;
}

.hero-cta:hover {
   background-color: #0078bc;
   text-decoration: none;
}

@media (max-width: 600px) {
   .hero-title {
      font-size: 2.5rem;
   }

   .hero-tagline {
      font-size: 1.25rem;
   }
}

/* ==========================================================================
   Overview
   ========================================================================== */

.overview {
   padding: var(--kn-spacing-xl) 0;
   text-align: center;
}

.overview-heading {
   font-size: 2rem;
   font-weight: 700;
   margin-bottom: var(--kn-spacing-md);
}

.overview-text {
   font-size: 1.1rem;
   color: var(--kn-color-text-muted);
   line-height: 1.8;
   max-width: 700px;
   margin: 0 auto;
}

/* ==========================================================================
   Game Modes
   ========================================================================== */

.game-modes {
   padding: var(--kn-spacing-xl) 0;
}

.game-modes-heading {
   font-size: 2rem;
   font-weight: 700;
   text-align: center;
   margin-bottom: var(--kn-spacing-lg);
}

.game-modes-grid {
   display: grid;
   grid-template-columns: 1fr;
   gap: var(--kn-spacing-md);
}

.mode-card {
   background-color: var(--kn-color-bg-secondary);
   border-radius: 8px;
   padding: var(--kn-spacing-lg);
   border: 1px solid #2a2a2a;
   transition: border-color 0.2s ease;
}

.mode-card:hover {
   border-color: var(--kn-color-brand-yellow);
}

.mode-card-title {
   font-size: 1.25rem;
   font-weight: 700;
   color: var(--kn-color-brand-yellow);
   margin-bottom: var(--kn-spacing-sm);
}

.mode-card-description {
   font-size: 0.95rem;
   color: var(--kn-color-text-muted);
   line-height: 1.7;
}

@media (min-width: 600px) {
   .game-modes-grid {
      grid-template-columns: 1fr 1fr;
   }
}

/* ==========================================================================
   Screenshots
   ========================================================================== */

.screenshots {
   padding: var(--kn-spacing-xl) 0;
}

.screenshots-heading {
   font-size: 2rem;
   font-weight: 700;
   text-align: center;
   margin-bottom: var(--kn-spacing-lg);
}

.screenshots-scroll {
   display: flex;
   gap: var(--kn-spacing-md);
   overflow-x: auto;
   padding-bottom: var(--kn-spacing-md);
   -webkit-overflow-scrolling: touch;
}

.screenshots-scroll img {
   flex-shrink: 0;
   border-radius: 12px;
   border: 1px solid #2a2a2a;
}

@media (min-width: 900px) {
   .screenshots-scroll {
      justify-content: center;
      overflow-x: visible;
   }
}

/* ==========================================================================
   Pro Unlock
   ========================================================================== */

.pro-unlock {
   padding: var(--kn-spacing-xl) 0;
}

.pro-unlock-card {
   background-color: var(--kn-color-bg-secondary);
   border: 2px solid var(--kn-color-brand-yellow);
   border-radius: 12px;
   padding: var(--kn-spacing-xl) var(--kn-spacing-lg);
   text-align: center;
}

.pro-unlock-heading {
   font-size: 2rem;
   font-weight: 700;
   color: var(--kn-color-brand-yellow);
   margin-bottom: var(--kn-spacing-md);
}

.pro-unlock-text {
   font-size: 1.1rem;
   color: var(--kn-color-text-muted);
   line-height: 1.8;
   max-width: 600px;
   margin: 0 auto var(--kn-spacing-lg);
}

.pro-unlock-cta {
   display: inline-block;
   padding: 0.75rem 2rem;
   background-color: var(--kn-color-brand-yellow);
   color: var(--kn-color-bg-primary);
   font-size: 1.1rem;
   font-weight: 700;
   border-radius: 8px;
   transition: background-color 0.2s ease;
}

.pro-unlock-cta:hover {
   background-color: #b67e00;
   text-decoration: none;
}

/* ==========================================================================
   Prose / Content Pages
   ========================================================================== */

.prose {
   padding: var(--kn-spacing-xl) 0;
}

.prose .container {
   max-width: 700px;
}

.prose h1 {
   font-size: 2.5rem;
   font-weight: 800;
   margin-bottom: var(--kn-spacing-sm);
}

.prose-updated {
   font-size: 0.9rem;
   color: var(--kn-color-text-muted);
   margin-bottom: var(--kn-spacing-xl);
}

.prose h2 {
   font-size: 1.5rem;
   font-weight: 700;
   margin-top: var(--kn-spacing-xl);
   margin-bottom: var(--kn-spacing-md);
}

.prose p {
   font-size: 1rem;
   color: var(--kn-color-text-muted);
   line-height: 1.8;
   margin-bottom: var(--kn-spacing-md);
}

.prose ul {
   list-style: disc;
   padding-left: var(--kn-spacing-lg);
   margin-bottom: var(--kn-spacing-md);
}

.prose li {
   font-size: 1rem;
   color: var(--kn-color-text-muted);
   line-height: 1.8;
   margin-bottom: var(--kn-spacing-sm);
}

@media (max-width: 600px) {
   .prose h1 {
      font-size: 2rem;
   }

   .prose h2 {
      font-size: 1.25rem;
   }
}