/* ==========================================================================
   t9 — root tokens
   ========================================================================== */
:root {
  --bg: #000000;
  --bg-raised: #0a0a0a;
  --accent: #CDFF02;
  --accent-dim: #8fb302;
  --accent-glow: rgba(205, 255, 2, 0.35);
  --chrome-1: #1c1e1a;
  --chrome-2: #101210;
  --chrome-edge: #2c2f26;
  --ink: #e9ffb0;
  --ink-dim: #7c8a6a;
  --danger: #ff5a3c;

  --font-display: "Chakra Petch", "Segoe UI", sans-serif;
  --font-screen: "VT323", monospace;
  --font-mono: "Share Tech Mono", "Courier New", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-mono);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background-image:
    radial-gradient(circle at 15% 10%, rgba(205,255,2,0.06), transparent 40%),
    radial-gradient(circle at 85% 90%, rgba(205,255,2,0.05), transparent 45%);
  overflow-x: hidden;
}

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

::selection { background: var(--accent); color: #000; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

button {
  font-family: inherit;
  cursor: pointer;
}

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

/* ==========================================================================
   layout shell
   ========================================================================== */
.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

/* ==========================================================================
   top bar / CA banner
   ========================================================================== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0 14px;
  flex-wrap: wrap;
}

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

.brand img {
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 0 10px var(--accent-glow));
}

.brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 1.05rem;
  line-height: 1.1;
}

.brand-text span {
  display: block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--ink-dim);
  text-transform: uppercase;
  margin-top: 2px;
}

.ca-banner {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--chrome-edge);
  background: linear-gradient(180deg, rgba(205,255,2,0.06), transparent);
  border-radius: 999px;
  padding: 8px 8px 8px 16px;
  font-size: 0.78rem;
  max-width: 100%;
}

.ca-banner .ca-label {
  color: var(--accent);
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  font-size: 0.68rem;
  flex-shrink: 0;
}

.ca-banner code {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  overflow-x: auto;
  white-space: nowrap;
  max-width: 34vw;
}

.ca-copy {
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  flex-shrink: 0;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.ca-copy:hover { box-shadow: 0 0 16px var(--accent-glow); transform: translateY(-1px); }
.ca-copy[data-copied="true"] { background: var(--ink); }

/* ==========================================================================
   hero
   ========================================================================== */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding: 48px 0 32px;
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 20px; }
}

.hero-copy .eyebrow {
  font-family: var(--font-display);
  color: var(--accent);
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.4vw, 4.2rem);
  line-height: 1;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}

.hero-copy h1 em {
  font-style: normal;
  color: var(--accent);
  text-shadow: 0 0 24px var(--accent-glow);
}

.hero-copy p {
  color: var(--ink-dim);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 46ch;
  margin: 0 0 26px;
}

.hero-stats {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero-stats div {
  border-left: 2px solid var(--accent);
  padding-left: 12px;
}

.hero-stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.hero-stats span {
  color: var(--ink-dim);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  border: 1px solid var(--accent);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--accent);
  color: #000;
  box-shadow: 0 0 0 var(--accent-glow);
}
.btn-primary:hover { box-shadow: 0 6px 26px var(--accent-glow); }

.btn-ghost {
  background: transparent;
  color: var(--accent);
}
.btn-ghost:hover { background: rgba(205,255,2,0.08); }

/* ==========================================================================
   phone device — signature element
   ========================================================================== */
.phone-stage {
  display: flex;
  justify-content: center;
  perspective: 1400px;
}

.phone {
  width: min(300px, 86vw);
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.7));
}

.phone-shell {
  background: linear-gradient(160deg, var(--chrome-1), var(--chrome-2) 60%);
  border: 1px solid var(--chrome-edge);
  border-radius: 26px;
  padding: 14px;
  position: relative;
}

.phone-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 26px;
  padding: 1px;
  background: linear-gradient(160deg, rgba(205,255,2,0.25), transparent 40%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.phone-speaker {
  width: 60px;
  height: 5px;
  border-radius: 3px;
  background: #000;
  margin: 4px auto 12px;
  box-shadow: inset 0 0 4px rgba(0,0,0,0.8);
}

.phone-screen {
  background: #050803;
  border: 1px solid #1c2414;
  border-radius: 10px;
  padding: 14px 14px 10px;
  box-shadow: inset 0 0 18px rgba(0,0,0,0.85), 0 0 22px var(--accent-glow);
  position: relative;
  overflow: hidden;
}

.phone-screen::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    180deg,
    rgba(205,255,2,0.035) 0px,
    rgba(205,255,2,0.035) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
}

.screen-status {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: var(--accent-dim);
  margin-bottom: 6px;
}

.screen-display {
  min-height: 86px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
}

.screen-text {
  font-family: var(--font-screen);
  font-size: 1.7rem;
  line-height: 1.25;
  letter-spacing: 0.03em;
  word-break: break-word;
  max-height: 4.4em;
  overflow: hidden;
}

.prev-text {
  color: var(--accent-dim);
}

.current-text {
  color: var(--accent);
  text-shadow: 0 0 10px var(--accent-glow);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cursor {
  display: inline-block;
  color: var(--accent);
  animation: blink 1s steps(1) infinite;
  margin-left: 1px;
}

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

.screen-match {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  min-height: 1.4em;
}

.phone-softkeys {
  display: flex;
  justify-content: space-between;
  padding: 10px 4px 2px;
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
}

.controller {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 10px 0 8px;
}

.ctrl-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: linear-gradient(160deg, #1b1d15, #101208);
  border: 1px solid var(--chrome-edge);
  color: var(--accent);
  border-radius: 10px;
  padding: 9px 0;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: box-shadow 0.15s ease, transform 0.1s ease;
}

.ctrl-btn svg { width: 14px; height: 14px; }

.ctrl-btn:hover { box-shadow: 0 0 10px var(--accent-glow); }
.ctrl-btn:active { transform: translateY(1px) scale(0.97); }

.keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 4px 2px 2px;
}

.key {
  background: linear-gradient(160deg, #212319, #141510);
  border: 1px solid var(--chrome-edge);
  border-radius: 10px;
  color: var(--ink);
  padding: 9px 0 6px;
  text-align: center;
  transition: transform 0.08s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.key:active,
.key.pressed {
  transform: translateY(1px) scale(0.97);
  background: linear-gradient(160deg, #2a2f1c, #181a10);
  box-shadow: 0 0 12px var(--accent-glow);
}

.key:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.key:disabled:active { transform: none; box-shadow: none; }

.key .digit {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  display: block;
  color: var(--accent);
}

.key .letters {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.12em;
  color: var(--ink-dim);
  display: block;
  margin-top: 1px;
  text-transform: uppercase;
}

.key-fn {
  font-family: var(--font-display);
  font-size: 0.8rem;
}

.key-space {
  width: 100%;
  margin-top: 8px;
  background: linear-gradient(160deg, #212319, #141510);
  border: 1px solid var(--chrome-edge);
  color: var(--ink);
  border-radius: 10px;
  padding: 10px 0;
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: box-shadow 0.15s ease, transform 0.1s ease;
}

.key-space:hover { box-shadow: 0 0 10px var(--accent-glow); }
.key-space:active { transform: translateY(1px) scale(0.99); }

.dial-button {
  width: 100%;
  margin-top: 12px;
  padding: 15px 10px;
  border-radius: 12px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #000;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  box-shadow: 0 0 0 var(--accent-glow);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.dial-button:hover {
  box-shadow: 0 8px 30px var(--accent-glow);
  transform: translateY(-1px);
}

.dial-button svg { width: 16px; height: 16px; }

.dial-note {
  text-align: center;
  font-size: 0.62rem;
  color: var(--ink-dim);
  margin-top: 8px;
  line-height: 1.5;
}

.dial-note strong { color: var(--accent-dim); }

/* ==========================================================================
   info / how it works
   ========================================================================== */
.section {
  padding: 60px 0;
  border-top: 1px solid var(--chrome-edge);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin: 0;
}

.section-head h2 em {
  font-style: normal;
  color: var(--accent);
}

.section-head p {
  color: var(--ink-dim);
  max-width: 40ch;
  font-size: 0.85rem;
  margin: 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 800px) {
  .steps { grid-template-columns: 1fr; }
}

.step {
  border: 1px solid var(--chrome-edge);
  border-radius: 14px;
  padding: 22px 20px;
  background: linear-gradient(180deg, rgba(205,255,2,0.035), transparent);
}

.step .tag {
  font-family: var(--font-screen);
  font-size: 1.6rem;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 8px;
}

.step p {
  color: var(--ink-dim);
  font-size: 0.85rem;
  line-height: 1.6;
  margin: 0;
}

.hint-line {
  margin-top: 26px;
  padding: 14px 18px;
  border: 1px dashed var(--chrome-edge);
  border-radius: 10px;
  color: var(--ink-dim);
  font-size: 0.82rem;
}
.hint-line strong { color: var(--accent); }

.history-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 800px) {
  .history-strip { grid-template-columns: 1fr; }
}

.history-fact {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.history-icon {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--chrome-edge);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
}

.history-fact p {
  color: var(--ink-dim);
  font-size: 0.84rem;
  line-height: 1.6;
  margin: 0;
}

.history-fact strong { color: var(--ink); }

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
}

.about-grid p {
  color: var(--ink-dim);
  line-height: 1.75;
  font-size: 0.92rem;
}

.about-grid strong { color: var(--ink); }

.token-card {
  border: 1px solid var(--chrome-edge);
  border-radius: 14px;
  padding: 22px;
  background: linear-gradient(180deg, rgba(205,255,2,0.05), transparent);
}

.token-card h3 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 16px;
}

.token-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--chrome-edge);
  font-size: 0.82rem;
}

.token-row:last-child { border-bottom: none; }
.token-row span:first-child { color: var(--ink-dim); }
.token-row span:last-child { text-align: right; word-break: break-all; }

/* ==========================================================================
   socials
   ========================================================================== */
.socials {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.social-card {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--chrome-edge);
  border-radius: 14px;
  padding: 16px 20px;
  text-decoration: none;
  color: var(--ink);
  flex: 1 1 220px;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.social-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(205,255,2,0.12);
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #0d0d0d;
  border: 1px solid var(--chrome-edge);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.social-icon img,
.social-icon svg {
  width: 22px;
  height: 22px;
}

.social-copy strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.88rem;
}

.social-copy span {
  display: block;
  color: var(--ink-dim);
  font-size: 0.72rem;
  margin-top: 2px;
}

/* ==========================================================================
   footer
   ========================================================================== */
.site-footer {
  padding: 30px 0 10px;
  color: var(--ink-dim);
  font-size: 0.7rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.site-footer a { color: var(--ink-dim); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }

.disclaimer {
  max-width: 900px;
  margin: 0 auto;
  padding-top: 20px;
  color: var(--ink-dim);
  font-size: 0.65rem;
  line-height: 1.7;
  opacity: 0.7;
}

/* ==========================================================================
   mobile pass
   ========================================================================== */
@media (max-width: 640px) {
  .page { padding: 0 14px 60px; }

  .topbar { padding: 16px 0 10px; }

  .ca-banner {
    width: 100%;
    padding: 8px 8px 8px 14px;
  }

  .ca-banner code { max-width: 48vw; }

  .hero { padding: 16px 0 24px; gap: 34px; }

  .hero-stats { gap: 18px; }

  .hero-cta .btn { flex: 1 1 auto; justify-content: center; }

  .section { padding: 44px 0; }

  .socials { flex-direction: column; }

  .social-card { flex: 1 1 auto; }

  .site-footer { flex-direction: column; text-align: center; }
}

@media (max-width: 380px) {
  .ca-banner .ca-label { display: none; }
  .ca-banner code { max-width: 42vw; font-size: 0.68rem; }
  .key .digit { font-size: 1rem; }
  .key .letters { font-size: 0.5rem; }
}

/* respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .cursor { animation: none; }
  .btn:hover, .ca-copy:hover, .key:active, .ctrl-btn:hover, .key-space:hover, .social-card:hover {
    transform: none;
  }
}