/* ===== CUSTOM PROPERTIES ===== */
:root {
  --color-base: #FAFAFA;
  --color-text: #1A1A1A;
  --color-accent: #D93025;
  --color-muted: #5F6368;
  --color-ocean: #1B3A4B;
  --font-pixel: 'Silkscreen', cursive;
  --font-body: 'Instrument Sans', sans-serif;
  --font-mono: 'Source Code Pro', monospace;
  --top-bar-h: 48px;
  --content-max: 960px;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-base);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

/* ===== TOP BAR ===== */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--top-bar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: rgba(250, 250, 250, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.top-bar__left {
  display: flex;
  align-items: center;
  gap: 8px;
}
.top-bar__dino-icon {
  width: 20px;
  height: 20px;
  image-rendering: pixelated;
  object-fit: contain;
}
.top-bar__logo {
  font-family: var(--font-pixel);
  font-size: 14px;
  color: var(--color-text);
  letter-spacing: 1px;
}
.top-bar__ca {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.2s;
}
.top-bar__ca:hover { opacity: 0.7; }
.top-bar__ca-text {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-muted);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.top-bar__right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.top-bar__btn {
  font-family: var(--font-pixel);
  font-size: 10px;
  color: var(--color-text);
  border: 1px solid var(--color-text);
  padding: 6px 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: background 0.2s, color 0.2s;
}
.top-bar__btn:hover {
  background: var(--color-text);
  color: var(--color-base);
}

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  font-family: var(--font-pixel);
  font-size: 12px;
  background: var(--color-text);
  color: var(--color-base);
  padding: 10px 20px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 200;
  pointer-events: none;
}
.toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== SECTIONS ===== */
.section {
  position: relative;
  width: 100%;
}

/* ===== SECTION I — HERO ===== */
.section--hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--top-bar-h) + 40px) 20px 60px;
  text-align: center;
}
.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin-bottom: 32px;
}
.hero__dino-img {
  width: 90px;
  height: 90px;
  image-rendering: pixelated;
  margin-bottom: 16px;
}
.hero__title {
  font-family: var(--font-pixel);
  font-size: 18px;
  font-weight: 400;
  color: var(--color-text);
  margin: 0 0 8px;
}
.hero__subtitle {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-muted);
  margin: 0;
}
.hero__game-wrapper {
  width: 100%;
  max-width: 1200px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#game-canvas {
  width: min(1200px, calc(100vw - 32px));
  height: auto;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  cursor: pointer;
}
.hero__hint {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-muted);
  margin: 12px 0 0;
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.hero__buttons {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}
.hero__buy-btn {
  display: inline-block;
  padding: 10px 24px;
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--color-text);
  border: 1px solid var(--color-text);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.hero__buy-btn:hover {
  background: var(--color-text);
  color: var(--color-base);
}

/* ===== SECTION II — DIVIDER ===== */
.section--divider {
  background: var(--color-ocean);
  padding: 80px 20px;
  text-align: center;
}
.divider__title {
  font-family: var(--font-pixel);
  font-size: 16px;
  color: #fff;
  letter-spacing: 4px;
  margin: 0 0 12px;
  font-weight: 400;
}
.divider__subtitle {
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* ===== SECTION III — CABLES ===== */
.section--cables {
  padding: 100px 20px;
  max-width: var(--content-max);
  margin: 0 auto;
}

/* Block A — Stat */
.cables__stat {
  text-align: center;
  margin-bottom: 80px;
}
.cables__stat-number {
  font-family: var(--font-pixel);
  font-size: clamp(48px, 10vw, 96px);
  color: var(--color-text);
  display: block;
  line-height: 1;
  margin-bottom: 16px;
}
.cables__stat-desc {
  font-family: var(--font-body);
  font-size: clamp(18px, 3vw, 22px);
  color: var(--color-text);
  max-width: 640px;
  margin: 0 auto 20px;
  line-height: 1.5;
}
.cables__stat-detail {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Block B — Grid */
.cables__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-bottom: 80px;
}
.cables__card {
  border: 1px solid rgba(0, 0, 0, 0.08);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.2s;
  margin: -0.5px;
}
.cables__card:hover {
  border-color: var(--color-accent);
  z-index: 1;
}
.cables__card-country {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}
.cables__card-percent {
  font-family: var(--font-pixel);
  font-size: 36px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}
.cables__card-note {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-muted);
}

/* Block C — One Cut */
.cables__cut {
  margin-bottom: 80px;
}
.cables__cut-title {
  font-family: var(--font-pixel);
  font-size: 14px;
  color: var(--color-muted);
  letter-spacing: 4px;
  text-align: center;
  font-weight: 400;
  margin: 0 0 40px;
}
.cables__cut-list {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.cables__cut-item {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 16px;
  line-height: 1.4;
}
.cables__cut-item strong {
  font-family: var(--font-pixel);
  color: var(--color-accent);
  text-transform: uppercase;
  font-weight: 400;
  font-size: 14px;
}
.pulse-dot {
  width: 8px;
  height: 8px;
  min-width: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: dot-pulse 2s ease-in-out infinite;
}
@keyframes dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.6); }
}

/* Block D — No Backup */
.cables__nobackup {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.cables__nobackup-text {
  font-family: var(--font-body);
  font-size: 20px;
  color: var(--color-text);
  line-height: 1.6;
  margin: 0 0 20px;
}
.cables__nobackup-stats {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-muted);
  margin: 0;
}

/* ===== SECTION IV — SIGNAL ===== */
.section--signal {
  background: #F5F5F5;
  padding: 80px 20px;
}
.signal__title {
  font-family: var(--font-pixel);
  font-size: 14px;
  color: var(--color-muted);
  letter-spacing: 4px;
  text-align: center;
  font-weight: 400;
  margin: 0 0 40px;
}
.signal__tweets {
  display: flex;
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
  justify-content: center;
}
.tweet-embed {
  flex: 1;
  max-width: 480px;
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  overflow: hidden;
  background: #fff;
  transition: border-color 0.2s;
}
.tweet-embed:hover {
  border-color: rgba(0, 0, 0, 0.15);
}
.tweet-embed__fallback {
  width: 100%;
  height: auto;
  display: block;
}
.tweet-embed iframe {
  border: none !important;
}

/* ===== SECTION V — HOW TO BUY ===== */
.section--buy {
  padding: 100px 20px;
  max-width: var(--content-max);
  margin: 0 auto;
}
.buy__title {
  font-family: var(--font-pixel);
  font-size: 24px;
  color: var(--color-text);
  text-align: center;
  font-weight: 400;
  margin: 0 0 60px;
}
.buy__steps {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
  gap: 16px;
}
/* Ground line through steps */
.buy__steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-text);
}
.buy__step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}
.buy__step-num {
  font-family: var(--font-pixel);
  font-size: 24px;
  color: var(--color-muted);
  background: var(--color-base);
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 0, 0, 0.08);
  margin-bottom: 8px;
}
.buy__step-cactus {
  width: 6px;
  height: 18px;
  position: relative;
  margin-bottom: 12px;
}
.buy__step-cactus::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 6px;
  height: 18px;
  background: var(--color-text);
  box-shadow:
    -4px -6px 0 0 var(--color-text),
    -4px -8px 0 0 var(--color-text),
    4px -10px 0 0 var(--color-text),
    4px -12px 0 0 var(--color-text);
  image-rendering: pixelated;
}
.buy__step-text {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
  margin: 0;
  line-height: 1.5;
  max-width: 180px;
}
.buy__step-text strong {
  font-weight: 600;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding: 40px 20px;
  text-align: center;
}
.footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.footer__dino-icon {
  width: 16px;
  height: 16px;
  background: var(--color-muted);
  clip-path: polygon(
    35% 0%, 100% 0%, 100% 45%, 85% 45%, 85% 30%, 70% 30%, 70% 55%,
    100% 55%, 100% 70%, 55% 70%, 55% 85%, 70% 85%, 70% 100%, 55% 100%,
    55% 85%, 40% 85%, 40% 100%, 25% 100%, 25% 85%, 15% 85%, 15% 70%,
    0% 70%, 0% 30%, 15% 30%, 15% 15%, 35% 15%
  );
}
.footer__error {
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--color-muted);
  animation: footer-pulse 5s ease-in-out infinite;
}
@keyframes footer-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}
.footer__tagline {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--color-muted);
}

/* ===== DECORATIVE PIXEL ELEMENTS ===== */
.decor-cactus, .decor-cloud {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

/* Cactus pixel art via box-shadow */
.decor-cactus {
  width: 4px;
  height: 4px;
  background: transparent;
}
.decor-cactus::before {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  background: rgba(0, 0, 0, 0.06);
  box-shadow:
    0 -4px 0 rgba(0,0,0,0.06),
    0 -8px 0 rgba(0,0,0,0.06),
    0 -12px 0 rgba(0,0,0,0.06),
    0 -16px 0 rgba(0,0,0,0.06),
    -4px -8px 0 rgba(0,0,0,0.06),
    -8px -8px 0 rgba(0,0,0,0.06),
    -8px -12px 0 rgba(0,0,0,0.06),
    4px -12px 0 rgba(0,0,0,0.06),
    8px -12px 0 rgba(0,0,0,0.06),
    8px -16px 0 rgba(0,0,0,0.06);
}
.decor-cactus--1 { top: 65vh; left: 8%; }
.decor-cactus--2 { top: 180vh; right: 5%; }

/* Cloud pixel art */
.decor-cloud {
  width: 4px;
  height: 4px;
  background: transparent;
}
.decor-cloud::before {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  background: rgba(0, 0, 0, 0.04);
  box-shadow:
    4px 0 0 rgba(0,0,0,0.04),
    8px 0 0 rgba(0,0,0,0.04),
    12px 0 0 rgba(0,0,0,0.04),
    16px 0 0 rgba(0,0,0,0.04),
    -4px -4px 0 rgba(0,0,0,0.04),
    0 -4px 0 rgba(0,0,0,0.04),
    4px -4px 0 rgba(0,0,0,0.04),
    8px -4px 0 rgba(0,0,0,0.04),
    12px -4px 0 rgba(0,0,0,0.04),
    16px -4px 0 rgba(0,0,0,0.04),
    20px -4px 0 rgba(0,0,0,0.04);
}
.decor-cloud--1 { top: 20vh; right: 12%; }
.decor-cloud--2 { top: 120vh; left: 6%; }
.decor-cloud--3 { top: 260vh; right: 15%; }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal--stagger > *:nth-child(1) { transition-delay: 0s; }
.reveal--stagger > *:nth-child(2) { transition-delay: 0.08s; }
.reveal--stagger > *:nth-child(3) { transition-delay: 0.16s; }
.reveal--stagger > *:nth-child(4) { transition-delay: 0.24s; }
.reveal--stagger > *:nth-child(5) { transition-delay: 0.32s; }
.reveal--stagger > *:nth-child(6) { transition-delay: 0.40s; }
.reveal--stagger > *:nth-child(7) { transition-delay: 0.48s; }
.reveal--stagger > *:nth-child(8) { transition-delay: 0.56s; }
/* Children also need initial state */
.reveal--stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal--stagger.reveal--visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ===== GROUND LINE SPINE ===== */
.section--hero::after,
.section--cables::after,
.section--buy::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-text);
}
.section--signal::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(0, 0, 0, 0.1);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 960px) {
  .cables__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .buy__steps {
    flex-wrap: wrap;
    justify-content: center;
  }
  .buy__steps::before {
    display: none;
  }
  .buy__step {
    flex: 0 0 calc(50% - 8px);
    margin-bottom: 32px;
  }
}

@media (max-width: 640px) {
  .top-bar__ca-text {
    max-width: 120px;
    font-size: 10px;
  }
  .cables__grid {
    grid-template-columns: 1fr;
  }
  .cables__cut-item {
    font-size: 15px;
  }
  .cables__cut-item strong {
    font-size: 12px;
  }
  .signal__tweets {
    flex-direction: column;
    align-items: center;
  }
  .tweet-embed {
    max-width: 100%;
  }
  .buy__step {
    flex: 0 0 100%;
  }
}