/* ==========================================================================
   batak.gg - Minimalist Pixel Art Landing Page
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables & Theme
   -------------------------------------------------------------------------- */
:root {
  /* Brand Colors */
  --color-red: #F9000B;
  --color-yellow: #FDA800;
  --color-blue: #00AAF8;
  --color-black: #0a0a0a;
  --color-white: #fafafa;
  
  /* Theme - Light (Default) */
  --color-bg: #fafafa;
  --color-bg-alt: #f0f0f0;
  --color-text: #0a0a0a;
  --color-text-muted: #4a4a4a;
  --color-border: #e0e0e0;
  --color-surface: #ffffff;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* Font */
  --font-pixel: 'Press Start 2P', monospace;
  --font-size-xs: 0.625rem;
  --font-size-sm: 0.75rem;
  --font-size-base: 0.875rem;
  --font-size-lg: 1rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  
  /* Border */
  --border-width: 3px;
  --border-style: solid;
  
  /* Layout */
  --container-max: 1000px;
  --container-padding: var(--space-4);
}

/* Dark Theme */
[data-theme="dark"] {
  --color-bg: #0a0a0a;
  --color-bg-alt: #1a1a1a;
  --color-text: #fafafa;
  --color-text-muted: #b0b0b0;
  --color-border: #333333;
  --color-surface: #151515;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #0a0a0a;
    --color-bg-alt: #1a1a1a;
    --color-text: #fafafa;
    --color-text-muted: #b0b0b0;
    --color-border: #333333;
    --color-surface: #151515;
  }
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-pixel);
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Font Import */
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

/* --------------------------------------------------------------------------
   Accessibility
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-red);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  z-index: 1000;
  text-decoration: none;
  font-size: var(--font-size-xs);
}

.skip-link:focus {
  top: 0;
}

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

main {
  flex: 1;
}

/* --------------------------------------------------------------------------
   Language Selector - Fixed Position
   -------------------------------------------------------------------------- */
.lang-selector {
  position: fixed;
  top: var(--space-4);
  right: calc(var(--space-4) + 60px);
  z-index: 100;
}

.lang-selector select {
  font-family: var(--font-pixel);
  font-size: var(--font-size-xs);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  color: var(--color-text);
  border: var(--border-width) var(--border-style) var(--color-text);
  cursor: pointer;
  transition: transform 0.1s ease;
  box-shadow: 4px 4px 0 var(--color-text);
  height: 44px;
}

.lang-selector select:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--color-text);
}

.lang-selector select:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--color-text);
}

/* --------------------------------------------------------------------------
   Theme Toggle - Fixed Position
   -------------------------------------------------------------------------- */
.theme-toggle {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 100;
  width: 44px;
  height: 44px;
  background: var(--color-surface);
  border: var(--border-width) var(--border-style) var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s ease;
  box-shadow: 4px 4px 0 var(--color-text);
}

.theme-toggle:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--color-text);
}

.theme-toggle:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--color-text);
}

.theme-toggle__icon {
  width: 20px;
  height: 20px;
  color: var(--color-text);
}

.theme-toggle__icon--dark {
  display: none;
}

[data-theme="dark"] .theme-toggle__icon--light {
  display: none;
}

[data-theme="dark"] .theme-toggle__icon--dark {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle__icon--light {
    display: none;
  }
  :root:not([data-theme="light"]) .theme-toggle__icon--dark {
    display: block;
  }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-pixel);
  font-size: var(--font-size-xs);
  padding: var(--space-3) var(--space-6);
  border: var(--border-width) var(--border-style) var(--color-text);
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.1s ease;
  box-shadow: 4px 4px 0 var(--color-text);
  text-align: center;
  white-space: nowrap;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--color-text);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--color-text);
}

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

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

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

.btn--yellow {
  background: var(--color-yellow);
  color: var(--color-black);
}

.btn--steam {
  background: #1b2838;
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Hero Section - Full Height with Background
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__screenshot-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  text-align: center;
  line-height: 2;
  opacity: 0.4;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-8) 0;
  background: var(--color-bg);
  border: var(--border-width) var(--border-style) var(--color-text);
  box-shadow: 8px 8px 0 var(--color-text);
  max-width: 600px;
  margin: var(--space-4);
  padding: var(--space-8);
}

.hero__logo {
  max-width: 280px;
  width: 100%;
  height: auto;
  margin-bottom: var(--space-6);
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.hero__logo--dark {
  display: none;
}

[data-theme="dark"] .hero__logo--light {
  display: none;
}

[data-theme="dark"] .hero__logo--dark {
  display: block;
  margin: 0 auto var(--space-6);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .hero__logo--light {
    display: none;
  }
  :root:not([data-theme="light"]) .hero__logo--dark {
    display: block;
    margin: 0 auto var(--space-6);
  }
}

.hero__tagline {
  font-size: var(--font-size-lg);
  line-height: 2;
  margin-bottom: var(--space-4);
  color: var(--color-red);
}

.hero__description {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  line-height: 2.2;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

/* --------------------------------------------------------------------------
   Features Section
   -------------------------------------------------------------------------- */
.features {
  padding: var(--space-16) 0;
  background: var(--color-bg-alt);
  border-top: var(--border-width) var(--border-style) var(--color-text);
  border-bottom: var(--border-width) var(--border-style) var(--color-text);
}

.features__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.features__title {
  font-size: var(--font-size-xl);
  color: var(--color-red);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-surface);
  border: var(--border-width) var(--border-style) var(--color-text);
  padding: var(--space-6);
  text-align: center;
  box-shadow: 4px 4px 0 var(--color-text);
}

.feature-card__icon {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-4);
}

.feature-card__title {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-3);
  color: var(--color-red);
}

.feature-card__description {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: 2;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  padding: var(--space-8) 0;
  background: var(--color-surface);
  border-top: var(--border-width) var(--border-style) var(--color-text);
}

.footer__inner {
  text-align: center;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-6);
}

.footer__link {
  font-size: var(--font-size-xs);
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border: 2px solid transparent;
  transition: border-color 0.1s ease;
}

.footer__link:hover {
  border-color: var(--color-red);
  color: var(--color-red);
}

.footer__link--blue:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.footer__link--yellow:hover {
  border-color: var(--color-yellow);
  color: var(--color-yellow);
}

.footer__copy {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --font-size-lg: 0.875rem;
    --font-size-xl: 1rem;
    --font-size-2xl: 1.25rem;
  }
  
  .hero__screenshot-placeholder {
    opacity: 0.15;
  }
  
  .hero__content {
    margin: var(--space-4);
    padding: var(--space-6);
  }
  
  .hero__logo {
    max-width: 200px;
  }
  
  .hero__cta {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 240px;
  }
}

@media (max-width: 480px) {
  .hero__tagline {
    font-size: var(--font-size-base);
  }
  
  .hero__content {
    margin: var(--space-2);
    padding: var(--space-4);
  }
}