:root {
  --bg: #0b0b0d;
  --bg-alt: #111214;
  --panel: #121416;
  --panel-strong: #17191d;
  --line: #2a2d31;
  --text: #f3f3f3;
  --muted: #a1a1a3;
  --soft: #d7d7d9;
  --active: #ffffff;
  --danger: #dbdbdb;
  --success: #e7e7e7;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  letter-spacing: -0.02em;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.scanlines {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.02),
    rgba(255, 255, 255, 0.02) 1px,
    transparent 1px,
    transparent 4px
  );
  pointer-events: none;
  z-index: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0 12px;
  position: relative;
  z-index: 1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  display: block;
  width: 136px;
  height: auto;
  object-fit: contain;
  filter: brightness(1.2) contrast(1.08);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.01);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--soft);
  border-radius: 50%;
  display: inline-block;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 52px;
  padding: 70px 0 30px;
}

.eyebrow {
  margin: 0 0 18px;
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.copy-block h1 {
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 6rem);
  line-height: 0.92;
  letter-spacing: -0.07em;
  text-transform: uppercase;
}

.copy-block h1 span {
  display: block;
  margin-top: 10px;
  font-size: 0.46em;
  letter-spacing: -0.04em;
  text-transform: none;
}

.lead {
  margin: 22px 0 0;
  max-width: 620px;
  color: var(--muted);
  font-size: 1.08rem;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.meta-row span {
  display: inline-block;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.01);
  color: var(--soft);
  text-transform: lowercase;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
}

.contact-strip {
  margin-top: 30px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.contact-strip a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  height: 44px;
  padding: 0 18px;
  background: var(--panel);
  color: var(--text);
  text-transform: lowercase;
}

.contact-strip span {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

.game-panel {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.01);
  padding: 18px;
}

.hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  text-transform: lowercase;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.hud strong {
  color: var(--text);
  font-weight: 700;
}

.game-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.cell {
  appearance: none;
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease, color 0.15s ease;
}

.cell:hover,
.cell:focus-visible {
  border-color: var(--soft);
  outline: none;
}

.cell.active {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}

.cell.correct {
  background: var(--soft);
  border-color: var(--soft);
  color: var(--bg);
}

.cell.wrong {
  background: #292a2d;
  border-color: #4e4e4e;
}

.terminal-window {
  margin-top: 18px;
  border: 1px solid var(--line);
  background: #0d0d0f;
  padding: 14px 16px;
  min-height: 88px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--soft);
}

.terminal-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cursor {
  display: inline-block;
  animation: blink 1s steps(1, end) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.replay-btn {
  width: 100%;
  margin-top: 18px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  padding: 14px 16px;
  cursor: pointer;
  text-transform: lowercase;
  letter-spacing: 0.08em;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.replay-btn:hover,
.replay-btn:focus-visible {
  background: var(--panel);
  border-color: var(--soft);
  outline: none;
}

.info-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding-top: 26px;
  padding-bottom: 10px;
}

.info-strip article {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.info-strip span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.8rem;
}

.info-strip h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  text-transform: lowercase;
  letter-spacing: 0.04em;
}

.info-strip p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 18px;
  padding-bottom: 38px;
  border-top: 1px solid var(--line);
  margin-top: 22px;
}

.footer-label {
  margin: 0 0 8px;
  font-size: 0.72rem;
  text-transform: lowercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.footer a {
  font-size: 1.1rem;
  font-weight: 600;
}

.footer-meta {
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 36px;
  }

  .info-strip {
    grid-template-columns: 1fr;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .copy-block h1 {
    font-size: clamp(2.3rem, 14vw, 4rem);
  }

  .contact-strip {
    flex-direction: column;
    align-items: flex-start;
  }
}