/*
 * Baketa Landing Page CSS - Pixel Art Edition
 * Mario / Minecraft inspired bright & cheerful pixel art aesthetic
 * No pixel fonts (CJK compatibility)
 */

/* ========================================
   1. Design Tokens
   ======================================== */
:root {
  /* Retro game palette - Mario/Minecraft inspired */
  --lp-red: #e44040;
  --lp-blue: #4a90d9;
  --lp-green: #5cb85c;
  --lp-yellow: #f5c542;
  --lp-brown: #8b6914;
  --lp-sky: #6ec6ff;
  --lp-white: #fafafa;
  --lp-cream: #fff8e7;
  --lp-orange: #f09030;

  /* Primary = cheerful blue, accent = game green */
  --lp-primary: var(--lp-blue);
  --lp-accent: var(--lp-green);
  --lp-gradient: linear-gradient(135deg, var(--lp-blue) 0%, var(--lp-sky) 100%);

  /* Surfaces - bright & warm */
  --lp-bg: var(--lp-cream);
  --lp-bg-alt: #f0e8d0;
  --lp-bg-card: rgba(255, 255, 255, 0.7);
  --lp-bg-card-hover: rgba(255, 255, 255, 0.9);
  --lp-border: #c8b888;

  /* Text - warm chocolate tones on cream */
  --lp-text: #5c3d1e;
  --lp-text-secondary: #7a5c38;
  --lp-text-muted: #7a6540;
  --lp-text-inverse: #fff;

  /* Typography */
  --lp-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', 'Noto Sans KR', 'Noto Sans SC', 'Noto Sans TC', sans-serif;

  /* Spacing */
  --lp-section-gap: 4.5rem;
  --lp-container: 960px;

  /* Pixel art: sharp edges everywhere */
  --lp-transition: 150ms steps(3);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--lp-font);
  color: var(--lp-text);
  background: var(--lp-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video {
  display: block;
  max-width: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

a {
  color: var(--lp-blue);
  text-decoration: none;
  transition: color var(--lp-transition);
}
a:hover { color: var(--lp-red); }

/* ========================================
   3. Pixel Art Decorative
   ======================================== */

/* Pixel sparkle animation */
@keyframes pixel-float {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50% { transform: translateY(-16px); opacity: 1; }
}

@keyframes pixel-blink {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* Cloud drift - slow horizontal movement */
@keyframes cloud-drift {
  0%   { transform: translateX(0); }
  50%  { transform: translateX(40px); }
  100% { transform: translateX(0); }
}

@keyframes cloud-drift-reverse {
  0%   { transform: translateX(0); }
  50%  { transform: translateX(-35px); }
  100% { transform: translateX(0); }
}

/* ---- Pixel Cloud component ---- */
.lp-cloud {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  opacity: 0.92;
  /* Base pixel: 8x8 white block */
  width: 8px;
  height: 8px;
  background: #fff;
}

/* Cloud 1 - top left, medium */
.lp-cloud--1 {
  top: 40px; left: 5%;
  box-shadow:
    8px 0 #fff, 16px 0 #fff, 24px 0 #fff,
    -8px 8px #fff, 0px 8px #fff, 8px 8px #fff, 16px 8px #fff, 24px 8px #fff, 32px 8px #fff,
    -8px 16px #fff, 0px 16px #fff, 8px 16px #fff, 16px 16px #fff, 24px 16px #fff, 32px 16px #fff;
  animation: cloud-drift 20s ease-in-out infinite;
}

/* Cloud 2 - upper center, small */
.lp-cloud--2 {
  top: 80px; left: 38%;
  box-shadow:
    8px 0 #fff, 16px 0 #fff,
    -8px 8px #fff, 0px 8px #fff, 8px 8px #fff, 16px 8px #fff, 24px 8px #fff,
    -8px 16px #fff, 0px 16px #fff, 8px 16px #fff, 16px 16px #fff, 24px 16px #fff;
  animation: cloud-drift-reverse 25s ease-in-out infinite 3s;
}

/* Cloud 3 - right side upper, large */
.lp-cloud--3 {
  top: 5px; right: 17%;
  box-shadow:
    8px 0 #fff, 16px 0 #fff, 24px 0 #fff, 32px 0 #fff,
    -8px 8px #fff, 0px 8px #fff, 8px 8px #fff, 16px 8px #fff, 24px 8px #fff, 32px 8px #fff, 40px 8px #fff,
    -8px 16px #fff, 0px 16px #fff, 8px 16px #fff, 16px 16px #fff, 24px 16px #fff, 32px 16px #fff, 40px 16px #fff;
  animation: cloud-drift 28s ease-in-out infinite 1s;
}

/* Cloud 4 - left side mid, small */
.lp-cloud--4 {
  top: 150px; left: 18%;
  box-shadow:
    8px 0 #fff, 16px 0 #fff,
    0px 8px #fff, 8px 8px #fff, 16px 8px #fff, 24px 8px #fff,
    0px 16px #fff, 8px 16px #fff, 16px 16px #fff, 24px 16px #fff;
  animation: cloud-drift-reverse 22s ease-in-out infinite 5s;
}

/* Cloud 5 - center-left lower, small */
.lp-cloud--5 {
  top: 160px; right: 40%;
  box-shadow:
    8px 0 #fff,
    -8px 8px #fff, 0px 8px #fff, 8px 8px #fff, 16px 8px #fff,
    -8px 16px #fff, 0px 16px #fff, 8px 16px #fff, 16px 16px #fff;
  animation: cloud-drift 18s ease-in-out infinite 7s;
}

/* Dithered grass-style bottom border */
.px-grass {
  position: relative;
}
.px-grass::after {
  content: '';
  display: block;
  height: 8px;
  background: repeating-linear-gradient(
    90deg,
    var(--lp-green) 0px, var(--lp-green) 8px,
    #4aa84a 8px, #4aa84a 16px
  );
}

/* ========================================
   4. Layout
   ======================================== */
.lp-container {
  width: 100%;
  max-width: var(--lp-container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.lp-section {
  padding: var(--lp-section-gap) 0;
  position: relative;
}

.lp-section-title {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 2.5rem;
  color: var(--lp-text);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Pixel brick divider between sections */
.lp-section + .lp-section::before {
  content: '';
  display: block;
  width: 160px;
  height: 8px;
  background: repeating-linear-gradient(
    90deg,
    var(--lp-red) 0px, var(--lp-red) 16px,
    var(--lp-brown) 16px, var(--lp-brown) 20px,
    var(--lp-red) 20px, var(--lp-red) 36px,
    var(--lp-brown) 36px, var(--lp-brown) 40px
  );
  margin: 0 auto;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

/* ========================================
   5. Hero Section
   ======================================== */
.lp-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1.5rem;
  position: relative;
  overflow: hidden;
  /* Sky gradient background */
  background: linear-gradient(180deg, #6ec6ff 0%, #a8e0ff 50%, #d4f0ff 80%, var(--lp-cream) 100%);
}

/* Ground blocks at bottom of hero */
.lp-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 32px;
  background: repeating-linear-gradient(
    90deg,
    var(--lp-green) 0px, var(--lp-green) 32px,
    #4aa84a 32px, #4aa84a 64px
  );
  z-index: 0;
  border-top: 4px solid #3a8a3a;
}

.lp-hero > * { position: relative; z-index: 1; }

/* Floating pixel sparkles in hero */
.lp-hero__sparkle {
  position: absolute;
  width: 8px;
  height: 8px;
  z-index: 1;
}
.lp-hero__sparkle--1 {
  top: 18%; left: 15%;
  background: var(--lp-yellow);
  animation: pixel-float 3s ease-in-out infinite;
}
.lp-hero__sparkle--2 {
  top: 22%; right: 18%;
  background: var(--lp-red);
  animation: pixel-float 4s ease-in-out infinite 0.8s;
}
.lp-hero__sparkle--3 {
  bottom: 25%; left: 22%;
  background: var(--lp-orange);
  animation: pixel-float 3.5s ease-in-out infinite 0.3s;
}
.lp-hero__sparkle--4 {
  bottom: 35%; right: 12%;
  background: var(--lp-green);
  animation: pixel-blink 2s steps(2) infinite;
}
.lp-hero__sparkle--5 {
  top: 40%; left: 8%;
  background: var(--lp-blue);
  animation: pixel-blink 2.5s steps(2) infinite 1s;
}

.lp-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--lp-text-inverse);
  background: var(--lp-green);
  border: 3px solid #3a8a3a;
  box-shadow: 3px 3px 0 0 #2a6a2a;
  margin-bottom: 1.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.lp-hero__tagline {
  font-size: clamp(0.85rem, 2vw, 1rem);
  color: #4a6a88;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lp-hero__title {
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  color: #3c2810;
  text-shadow: 2px 2px 0 rgba(255, 255, 255, 0.5);
}

.lp-hero__description {
  font-size: clamp(0.9rem, 2vw, 1.05rem);
  color: #50402a;
  max-width: 520px;
  margin: 0 auto 2rem;
  line-height: 1.85;
}

/* ========================================
   6. Buttons & CTA
   ======================================== */
.lp-cta-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.lp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border: 3px solid;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 80ms steps(2), box-shadow 80ms steps(2);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.lp-btn:hover {
  transform: translateY(-3px);
  text-decoration: none;
}
/* Press-down effect */
.lp-btn:active {
  transform: translateY(2px);
  box-shadow: 1px 1px 0 0 rgba(0,0,0,0.3) !important;
}

.lp-btn--primary {
  background: var(--lp-red);
  color: var(--lp-text-inverse);
  border-color: #b82020;
  box-shadow: 4px 4px 0 0 #8a1818;
}
.lp-btn--primary:hover {
  background: #f04848;
  box-shadow: 5px 5px 0 0 #8a1818;
  color: var(--lp-text-inverse);
}

.lp-btn--secondary {
  background: var(--lp-yellow);
  color: var(--lp-text);
  border-color: #c8a020;
  box-shadow: 4px 4px 0 0 #a08018;
}
.lp-btn--secondary:hover {
  background: #ffe060;
  box-shadow: 5px 5px 0 0 #a08018;
  color: var(--lp-text);
}

.lp-btn--lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

.lp-cta-hint {
  font-size: 0.8rem;
  color: var(--lp-text-muted);
}

.lp-btn__icon {
  width: 20px;
  height: 20px;
}

/* ========================================
   7. Social Icons
   ======================================== */
.lp-social {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1.5rem;
}

.lp-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.7);
  border: 3px solid var(--lp-border);
  color: var(--lp-text-secondary);
  box-shadow: 2px 2px 0 0 rgba(0, 0, 0, 0.1);
  transition: background 100ms steps(2), color 100ms steps(2), border-color 100ms steps(2);
}
.lp-social a:hover {
  background: #fff;
  color: var(--lp-text);
  border-color: var(--lp-blue);
  box-shadow: 3px 3px 0 0 rgba(74, 144, 217, 0.3);
}
.lp-social svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* ========================================
   8. Demo Section
   ======================================== */
.lp-demo {
  background: var(--lp-bg-alt);
}

.lp-demo__frame {
  max-width: 720px;
  margin: 0 auto;
  overflow: hidden;
  background: #222;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 4px solid var(--lp-brown);
  box-shadow:
    6px 6px 0 0 #6a4a0a,
    inset 0 0 0 2px rgba(255, 255, 255, 0.05);
  position: relative;
}

/* Pixel corner notches */
.lp-demo__frame::before,
.lp-demo__frame::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--lp-bg-alt);
  z-index: 2;
}
.lp-demo__frame::before { top: -2px; left: -2px; }
.lp-demo__frame::after { bottom: -2px; right: -2px; }

.lp-demo__frame video,
.lp-demo__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lp-demo__placeholder {
  color: var(--lp-text-muted);
  font-size: 0.9rem;
}

/* Steam-style Gallery */
.lp-gallery {
  max-width: 800px;
  margin: 0 auto;
}

.lp-gallery__main {
  aspect-ratio: 16/9;
  background: #1a1a1a;
  border: 4px solid var(--lp-brown);
  box-shadow: 6px 6px 0 0 #6a4a0a;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.lp-gallery__main video,
.lp-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.lp-gallery__thumbs {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.lp-gallery__thumb {
  flex: 1;
  min-width: 0;
  aspect-ratio: 16/9;
  background: #2a2a2a;
  border: 3px solid var(--lp-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: border-color 150ms;
  color: var(--lp-text-muted);
  font-size: 0.65rem;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.lp-gallery__thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  transition: background 150ms;
}

.lp-gallery__thumb:hover::after,
.lp-gallery__thumb--active::after {
  background: rgba(0, 0, 0, 0.15);
}

.lp-gallery__thumb span {
  position: relative;
  z-index: 1;
  text-shadow: 0 0 4px rgba(0,0,0,0.9), 0 0 8px rgba(0,0,0,0.7);
  color: #fff;
  font-weight: bold;
}

.lp-gallery__thumb:hover {
  border-color: var(--lp-primary);
}

.lp-gallery__thumb--active {
  border-color: var(--lp-accent);
  box-shadow: 0 0 0 2px var(--lp-accent);
}

.lp-gallery__thumb-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.2rem;
  color: #fff;
  text-shadow: 0 0 4px rgba(0,0,0,0.8);
  pointer-events: none;
}

/* Modal */
.lp-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms, visibility 200ms;
}

.lp-modal[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
}

.lp-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
}

.lp-modal__content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  z-index: 1;
}

.lp-modal__content video,
.lp-modal__content img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border: 4px solid var(--lp-brown);
  box-shadow: 8px 8px 0 0 #6a4a0a;
}

.lp-modal__close {
  position: absolute;
  top: -2rem;
  right: -0.5rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  z-index: 2;
}

.lp-modal__close:hover {
  color: var(--lp-accent);
}

.lp-modal__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.6);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 1.5rem;
  width: 2.5rem;
  height: 3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: background 150ms, border-color 150ms;
}

.lp-modal__nav:hover {
  background: rgba(0, 0, 0, 0.85);
  border-color: var(--lp-accent);
  color: var(--lp-accent);
}

.lp-modal__nav--prev { left: -3.5rem; }
.lp-modal__nav--next { right: -3.5rem; }

@media (max-width: 768px) {
  .lp-modal__nav--prev { left: 0.25rem; }
  .lp-modal__nav--next { right: 0.25rem; }
  .lp-modal__nav { opacity: 0.8; }
}

/* ========================================
   9. Languages Section
   ======================================== */
.lp-languages-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  max-width: 600px;
  margin: 0 auto;
}

.lang-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 0.5rem;
  background: var(--lp-bg-card);
  border: 3px solid var(--lp-border);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--lp-text-secondary);
  cursor: pointer;
  transition: background 100ms steps(2), border-color 100ms steps(2), color 100ms steps(2), box-shadow 100ms steps(2);
  user-select: none;
  box-shadow: 2px 2px 0 0 rgba(0, 0, 0, 0.08);
}
.lang-item:hover,
.lang-item:focus-visible {
  background: var(--lp-bg-card-hover);
  color: var(--lp-text);
  border-color: var(--lp-blue);
  box-shadow: 3px 3px 0 0 rgba(74, 144, 217, 0.2);
  outline: none;
}
.lang-item--active {
  background: var(--lp-blue);
  border-color: #3070b0;
  color: var(--lp-text-inverse);
  font-weight: 700;
  box-shadow: 3px 3px 0 0 #205090;
}

/* ========================================
   10. How-To Steps
   ======================================== */
.lp-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 720px;
  margin: 0 auto;
}

.lp-step {
  text-align: center;
  padding: 1.5rem 1rem;
  border: 3px solid var(--lp-border);
  background: var(--lp-bg-card);
  box-shadow: 4px 4px 0 0 rgba(0, 0, 0, 0.1);
  transition: border-color 100ms steps(2), box-shadow 100ms steps(2), transform 100ms steps(2);
}
.lp-step:hover {
  border-color: var(--lp-blue);
  box-shadow: 5px 5px 0 0 rgba(74, 144, 217, 0.2);
  transform: translateY(-2px);
}

.lp-step__number {
  width: 48px;
  height: 48px;
  background: var(--lp-red);
  color: var(--lp-text-inverse);
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
  border: 3px solid #b82020;
  box-shadow: 3px 3px 0 0 #8a1818;
}

/* Alternate step number colors */
.lp-step:nth-child(2) .lp-step__number {
  background: var(--lp-blue);
  border-color: #3070b0;
  box-shadow: 3px 3px 0 0 #205090;
}
.lp-step:nth-child(3) .lp-step__number {
  background: var(--lp-green);
  border-color: #3a8a3a;
  box-shadow: 3px 3px 0 0 #2a6a2a;
}

.lp-step__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--lp-text);
}

.lp-step__desc {
  font-size: 0.85rem;
  color: var(--lp-text-muted);
}

/* Pixel arrow connectors between steps (desktop only) */
@media (min-width: 641px) {
  .lp-step:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -1.25rem;
    top: 50%;
    width: 10px;
    height: 10px;
    border-right: 3px solid var(--lp-orange);
    border-bottom: 3px solid var(--lp-orange);
    transform: translateY(-50%) rotate(-45deg);
  }
  .lp-step {
    position: relative;
  }
}

/* ========================================
   11. Footer CTA & Footer
   ======================================== */
.lp-footer-cta {
  text-align: center;
  background: var(--lp-bg-alt);
}

.lp-footer-cta__title {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--lp-text);
}

.lp-footer-cta .lp-cta-group {
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
}

.lp-footer {
  padding-bottom: 2rem;
  text-align: center;
  border-top: 4px solid var(--lp-border);
  background: var(--lp-bg);
}

/* Brick pattern top border for footer */
.lp-footer::before {
  content: '';
  display: block;
  height: 8px;
  margin-bottom: 1.5rem;
  background: repeating-linear-gradient(
    90deg,
    var(--lp-brown) 0px, var(--lp-brown) 24px,
    #7a5a10 24px, #7a5a10 28px
  );
}

.lp-footer__links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.lp-footer__links a {
  font-size: 0.8rem;
  color: var(--lp-text-muted);
}
.lp-footer__links a:hover { color: var(--lp-text); }

.lp-footer__copyright {
  font-size: 0.75rem;
  color: var(--lp-text-muted);
}

/* ========================================
   12. System Requirements
   ======================================== */
.lp-requirements {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  max-width: 720px;
  margin: 0 auto 1.5rem;
}

.lp-req-item {
  text-align: center;
  padding: 1.25rem 0.75rem;
  background: var(--lp-bg-card);
  border: 3px solid var(--lp-border);
  box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.08);
}

.lp-req-item__icon {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  line-height: 1;
}

.lp-req-item__label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--lp-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}

.lp-req-item__value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--lp-text);
  line-height: 1.4;
}

.lp-requirements__note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--lp-text-muted);
  max-width: 720px;
  margin: 0 auto;
}

/* PC Check */
.lp-check {
  text-align: center;
  margin-top: 1.5rem;
}

.lp-btn--check {
  background: var(--lp-blue);
  color: var(--lp-text-inverse);
  border-color: #3070b0;
  box-shadow: 3px 3px 0 0 #205090;
  padding: 0.6rem 1.5rem;
  font-size: 0.9rem;
}
.lp-btn--check:hover {
  background: #5aa0e8;
  box-shadow: 4px 4px 0 0 #205090;
  color: var(--lp-text-inverse);
}

.lp-check__results {
  max-width: 480px;
  margin: 1rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lp-check__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--lp-bg-card);
  border: 3px solid var(--lp-border);
  box-shadow: 2px 2px 0 0 rgba(0, 0, 0, 0.06);
  font-size: 0.85rem;
}

.lp-check__item--ok { border-color: var(--lp-green); }
.lp-check__item--warn { border-color: var(--lp-orange); }
.lp-check__item--ng { border-color: var(--lp-red); }
.lp-check__item--unknown { border-color: var(--lp-border); }

.lp-check__icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  width: 1.5rem;
  text-align: center;
}

.lp-check__label {
  font-weight: 700;
  color: var(--lp-text);
  min-width: 3rem;
}

.lp-check__value {
  color: var(--lp-text-secondary);
  flex: 1;
}

/* ========================================
   13. FAQ Section
   ======================================== */
.lp-faq__list {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lp-faq__item {
  background: var(--lp-bg-card);
  border: 3px solid var(--lp-border);
  box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.08);
  transition: border-color 100ms steps(2);
}

.lp-faq__item[open] {
  border-color: var(--lp-blue);
}

.lp-faq__question {
  padding: 1rem 1.25rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--lp-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  user-select: none;
}

.lp-faq__question::-webkit-details-marker {
  display: none;
}

.lp-faq__question::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--lp-blue);
  flex-shrink: 0;
}

.lp-faq__item[open] .lp-faq__question::after {
  content: '−';
  color: var(--lp-red);
}

.lp-faq__answer {
  padding: 0 1.25rem 1rem;
  font-size: 0.9rem;
  color: var(--lp-text-secondary);
  line-height: 1.7;
}

/* ========================================
   13. Responsive
   ======================================== */
@media (max-width: 640px) {
  .lp-languages-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .lp-steps {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 300px;
  }

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

  .lp-footer-cta .lp-cta-group {
    flex-direction: column;
  }

  .lp-hero {
    min-height: auto;
    padding: 5rem 1.5rem 4rem;
  }

  .lp-hero__sparkle { display: none; }
  .lp-cloud { display: none; }
}

@media (max-width: 400px) {
  .lp-languages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}