/* GamePigeon Arcade — phosphor mint on near-black green.
   Palette and texture lifted from the product overlay itself. */

:root {
  color-scheme: dark;
  --ink: #e9f5ef;
  --muted: #78918b;
  --line: rgba(159, 255, 222, 0.17);
  --mint: #39e5b6;
  --mint-dim: rgba(57, 229, 182, 0.55);
  --coral: #ff746c;
  --amber: #ffc857;
  --shell: #07100f;
  --panel: #0d1a18;
  --panel-deep: #0b1715;
  --mono: "SF Mono", "JetBrains Mono", "Cascadia Mono", "Menlo", "Consolas", monospace;
  --serif: Baskerville, "Palatino Linotype", Palatino, Georgia, serif;
  --cond: "Avenir Next Condensed", "Bahnschrift Condensed", "Trebuchet MS", sans-serif;
}

/* ============ account handoff ============ */
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 18px;
}
.login-shell { width: min(100%, 470px); }
.login-brand { margin: 0 0 12px 4px; text-decoration: none; }
.login-card {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 30px);
  border: 1px solid rgba(112, 255, 213, 0.3);
  background: rgba(5, 12, 11, 0.94);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.56), 0 0 50px rgba(57, 229, 182, 0.08);
}
.login-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--mint), var(--amber) 62%, var(--coral));
}
.login-copy h1 { margin: 0; font: 600 clamp(36px, 8vw, 48px)/.96 var(--serif); letter-spacing: -.035em; }
.login-copy > p:last-child { margin: 12px 0 18px; color: #a8c0b8; }
.login-tabs { display: grid; grid-template-columns: 1fr 1fr; margin-bottom: 14px; border-bottom: 1px solid var(--line); }
.login-tabs button {
  padding: 8px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  font: 700 12px/1 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
}
.login-tabs button[aria-selected="true"] { border-color: var(--mint); color: var(--mint); }
.login-form { display: grid; gap: 10px; }
.login-form label { color: #a8c0b8; font: 700 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.login-form input {
  width: 100%;
  margin-top: 7px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #091210;
  color: var(--ink);
  font: 15px/1.3 var(--mono);
}
.login-form input:focus { border-color: var(--mint); outline: 1px solid var(--mint); }
.login-primary, .login-providers button {
  min-height: 40px;
  border: 1px solid var(--mint);
  background: var(--mint);
  color: var(--shell);
  font: 800 12px/1 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
}
.login-primary:hover { background: #5df0c8; }
.login-primary:disabled, .login-providers button:disabled { cursor: wait; opacity: .58; }
.login-divider { display: flex; align-items: center; gap: 12px; margin: 14px 0 12px; color: var(--muted); font: 10px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.login-divider::before, .login-divider::after { content: ""; height: 1px; flex: 1; background: var(--line); }
.login-providers { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.login-providers button { border-color: var(--line); background: rgba(255, 255, 255, .025); color: var(--ink); }
.login-providers button:hover { border-color: var(--amber); color: var(--amber); }
.login-status { min-height: 18px; margin: 10px 0 0; color: var(--mint); font: 12px/1.45 var(--mono); }
.login-status[data-state="error"] { color: var(--coral); }
.login-fine { margin: 9px 8px 0; color: #5c756e; font: 11px/1.5 var(--mono); text-align: center; }

@media (max-width: 520px) {
  .login-page { padding: 0; place-items: stretch; }
  .login-shell { width: 100%; }
  .login-brand { margin: 22px 24px; }
  .login-card { min-height: calc(100vh - 118px); border-inline: 0; }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 82% 4%, rgba(57, 229, 182, 0.10), transparent 36%),
    radial-gradient(circle at 8% 88%, rgba(255, 200, 87, 0.045), transparent 40%),
    linear-gradient(rgba(255, 255, 255, 0.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px),
    linear-gradient(148deg, #0c1816 0%, #050a0a 64%);
  background-size: auto, auto, 28px 28px, 28px 28px, auto;
  color: var(--ink);
  font-family: var(--cond);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* faint CRT scanlines over everything */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.11) 0 1px,
    transparent 1px 3px
  );
  mix-blend-mode: multiply;
}

::selection { background: rgba(57, 229, 182, 0.28); color: var(--ink); }

kbd, code {
  font-family: var(--mono);
  color: var(--amber);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 1001;
  padding: 10px 16px;
  background: var(--mint);
  color: var(--shell);
  font-weight: 700;
}
.skip-link:focus { left: 12px; top: 12px; }

a { color: var(--mint); }

:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ============ topbar ============ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(18px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 12, 11, 0.86);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mint);
  white-space: nowrap;
}
.brand em { font-style: normal; color: var(--muted); font-weight: 600; }
.brand-dot {
  width: 9px; height: 9px;
  background: var(--mint);
  box-shadow: 0 0 10px var(--mint);
}

.topbar nav { display: flex; align-items: center; gap: clamp(12px, 2.5vw, 28px); }
.topbar nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 140ms ease;
}
.topbar nav a:hover { color: var(--mint); }
.topbar nav .nav-cta {
  color: var(--shell);
  background: var(--mint);
  padding: 7px 14px;
  box-shadow: 0 0 18px rgba(57, 229, 182, 0.35);
}
.topbar nav .nav-cta:hover { color: var(--shell); background: #5df0c8; }

/* ============ hero ============ */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  padding: clamp(40px, 7vh, 88px) clamp(18px, 4vw, 44px) clamp(48px, 8vh, 96px);
  max-width: 1240px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--mint-dim);
}

.hero h1 {
  margin: 0 0 20px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(44px, 6.2vw, 78px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  text-shadow: 0 0 34px rgba(57, 229, 182, 0.18);
}

.lede {
  margin: 0 0 30px;
  max-width: 46ch;
  font-size: clamp(16px, 1.4vw, 19px);
  color: #b9cdc6;
}
.lede strong { color: var(--ink); }

.cmd {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  padding: 12px 12px 12px 16px;
  border: 1px solid rgba(112, 255, 213, 0.34);
  background: rgba(5, 12, 11, 0.92);
  box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.4), 0 0 24px rgba(57, 229, 182, 0.07);
}
.cmd code {
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  white-space: nowrap;
  font-size: 13.5px;
  color: var(--ink);
}
.cmd code::before { content: "$ "; color: var(--mint); }

.copy-btn {
  flex-shrink: 0;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: 140ms ease;
}
.copy-btn:hover { border-color: var(--mint-dim); color: var(--mint); }
.copy-btn.copied { border-color: var(--mint); color: var(--mint); }

.cmd-note {
  margin: 12px 2px 0;
  font-size: 13px;
  color: var(--muted);
}
.cmd-note strong { color: #a8c4bb; }

/* ---- the stage: terminal behind, arcade overlay in front ---- */
.stage {
  position: relative;
  min-height: 480px;
}

.term-window {
  position: absolute;
  inset: 0 clamp(0px, 3vw, 30px) 44px 0;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(159, 255, 222, 0.12);
  background: rgba(6, 12, 11, 0.92);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
}

.term-titlebar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 14px;
  border-bottom: 1px solid rgba(159, 255, 222, 0.1);
}
.term-dots { display: flex; gap: 6px; }
.term-dots i {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #1d2f2b;
}
.term-title {
  font-family: var(--mono);
  font-size: 11px;
  color: #4e6560;
  letter-spacing: 0.04em;
}

.term-log {
  flex: 1;
  margin: 0;
  padding: 14px 16px;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.75;
  color: #55706a;
  white-space: pre-wrap;
}
.term-log .t-act { color: #8fb3a9; }
.term-log .t-ok { color: var(--mint-dim); }
.term-log .t-dim { color: #3b524c; }

.overlay-window {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(400px, 92%);
  border: 1px solid rgba(112, 255, 213, 0.4);
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.014) 1px, transparent 1px),
    rgba(5, 12, 11, 0.985);
  background-size: 28px 28px;
  box-shadow:
    0 34px 90px rgba(0, 0, 0, 0.72),
    0 0 44px rgba(57, 229, 182, 0.12);
}

.overlay-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 9px 15px;
  border-bottom: 1px solid var(--line);
}
.overlay-brand {
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mint);
}
.overlay-actions { display: flex; gap: 6px; }
.overlay-actions b {
  min-width: 30px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  font-family: var(--cond);
  font-weight: 600;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

.overlay-screen {
  display: block;
  margin: 0 auto;
  padding: 16px 8px 8px;
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.18;
  letter-spacing: 0.02em;
  white-space: pre;
  text-align: center;
  color: #e2ebf0;
  text-shadow: 0 0 6px rgba(57, 229, 182, 0.1);
  cursor: pointer;
}
.overlay-screen:focus-visible { outline-offset: -4px; }
.overlay-screen .s-snake { color: var(--mint); text-shadow: 0 0 8px rgba(57, 229, 182, 0.5); }
.overlay-screen .s-food { color: var(--coral); text-shadow: 0 0 8px rgba(255, 116, 108, 0.6); }
.overlay-screen .s-wall { color: #2a413c; }
.overlay-screen .s-score { color: var(--amber); }
.overlay-screen .s-over { color: var(--coral); }

.overlay-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px 10px 15px;
  border-top: 1px solid var(--line);
}
.overlay-footer p {
  margin: 0;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--muted);
  letter-spacing: 0.03em;
}

.dpad { display: none; gap: 5px; }
.dpad button {
  width: 34px; height: 34px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--mint);
  font-size: 13px;
  cursor: pointer;
}
.dpad button:active { background: rgba(57, 229, 182, 0.18); }

@media (pointer: coarse) {
  .dpad { display: flex; }
  .dpad button { width: 44px; height: 44px; font-size: 15px; }
  .copy-btn { padding: 10px 14px; }
}

/* ============ ticker ============ */
.ticker {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(57, 229, 182, 0.045);
  padding: 11px 0;
}
.ticker-track {
  display: flex;
  gap: 26px;
  width: max-content;
  animation: ticker 38s linear infinite;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mint-dim);
  white-space: nowrap;
}
@keyframes ticker {
  to { transform: translateX(-50%); }
}

/* ============ sections ============ */
.section {
  max-width: 1240px;
  margin: 0 auto;
  padding: clamp(56px, 9vh, 110px) clamp(18px, 4vw, 44px);
}

.section-head { margin-bottom: clamp(30px, 5vh, 52px); }
.section-head h2,
.closing h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(30px, 3.6vw, 46px);
  letter-spacing: -0.03em;
  line-height: 1.06;
}

/* lifecycle steps */
.lifecycle {
  list-style: none;
  counter-reset: step;
  margin: 0 0 clamp(36px, 6vh, 60px);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.lifecycle li {
  counter-increment: step;
  position: relative;
  padding: 22px 20px 20px;
  background: rgba(7, 16, 15, 0.96);
}
.lifecycle li::before {
  content: "0" counter(step);
  display: block;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--amber);
  letter-spacing: 0.2em;
}
.step-key {
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--mint);
}
.lifecycle p {
  margin: 8px 0 0;
  font-size: 14.5px;
  color: #a4bcb4;
}

/* harness cards */
.harness-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.harness-card {
  padding: 24px 22px;
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(57, 229, 182, 0.05), transparent 45%), var(--panel-deep);
  transition: border-color 160ms ease, transform 160ms ease;
}
.harness-card:hover { border-color: rgba(57, 229, 182, 0.5); transform: translateY(-3px); }
.harness-card h3 {
  margin: 0 0 8px;
  font-size: 19px;
  letter-spacing: 0.01em;
}
.harness-card p { margin: 0 0 16px; font-size: 14.5px; color: #a4bcb4; }
.harness-card > code {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid rgba(255, 200, 87, 0.3);
  background: rgba(255, 200, 87, 0.06);
  font-size: 13px;
}
code.inline {
  padding: 1px 6px;
  background: rgba(255, 200, 87, 0.08);
  border-radius: 4px;
  font-size: 0.85em;
}

/* game cabinet */
.game-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 18px;
}
.game-card {
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  background: var(--panel-deep);
  text-align: center;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}
.game-card:hover {
  border-color: rgba(57, 229, 182, 0.55);
  box-shadow: 0 0 30px rgba(57, 229, 182, 0.1);
  transform: translateY(-3px);
}
.game-art {
  margin: 0 auto 14px;
  min-height: 88px;
  display: grid;
  place-content: center;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.25;
  color: var(--mint);
  text-shadow: 0 0 10px rgba(57, 229, 182, 0.35);
}
.game-card h3 { margin: 0 0 4px; font-size: 18px; }
.game-card p { margin: 0; font-family: var(--mono); font-size: 11px; color: var(--muted); }

/* details */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.detail {
  padding: 26px 24px;
  border-left: 2px solid var(--mint);
  background: linear-gradient(90deg, rgba(57, 229, 182, 0.05), transparent 55%);
}
.detail h3 { margin: 0 0 10px; font-size: 19px; }
.detail p { margin: 0; font-size: 14.5px; color: #a4bcb4; }

/* closing */
.closing {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(64px, 11vh, 130px) clamp(18px, 4vw, 44px);
  text-align: center;
}
.closing h2 { margin-bottom: 30px; text-shadow: 0 0 40px rgba(57, 229, 182, 0.2); }
.closing .cmd { text-align: left; }
.closing .cmd-note { text-align: center; }

/* footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 36px clamp(18px, 4vw, 44px) 44px;
  text-align: center;
}
.footer p { margin: 14px auto 0; max-width: 52ch; color: var(--muted); font-size: 14px; }
.footer-fine { font-family: var(--mono); font-size: 12px !important; color: #4e6560 !important; }

/* ============ responsive ============ */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .stage { min-height: 440px; }
  .overlay-window { right: auto; left: 50%; transform: translateX(-50%); }
}

@media (max-width: 560px) {
  .topbar nav a:not(.nav-cta) { display: none; }
  .term-window { inset: 0 0 30px 0; }
  .overlay-screen { font-size: 12.5px; }
}

/* ============ motion preferences ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker-track { animation: none; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}