/* =====================================================================
   ZEC404 — styles
   No build step. Edit colors in :root.
   ===================================================================== */

:root {
  --yellow: #f5c400;
  --yellow-dark: #d9a900;
  --black: #111111;
  --white: #ffffff;
  --cream: #fff9df;
  --red: #d94a4a;
  --green: #16803c;
  --gray: #777777;

  --pixel: "Press Start 2P", ui-monospace, monospace;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --border: 3px solid var(--black);
  --shadow: 6px 6px 0 var(--black);
  --shadow-sm: 4px 4px 0 var(--black);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--yellow);
  color: var(--black);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* faint CRT scanlines over everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(17, 17, 17, 0.055) 0,
    rgba(17, 17, 17, 0.055) 1px,
    transparent 1px,
    transparent 3px
  );
}

body > * {
  position: relative;
  z-index: 1;
}

main {
  flex: 1;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd {
  margin: 0;
}

a {
  color: inherit;
}

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

:where(a, button, input, textarea):focus-visible {
  outline: 3px solid var(--black);
  outline-offset: 2px;
}

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

.skip {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 300;
  background: var(--black);
  color: var(--yellow);
  padding: 8px 14px;
}
.skip:focus {
  top: 12px;
}

/* ---------------- layout ---------------- */

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 16px;
}
.wrap-md {
  max-width: 780px;
}
.wrap-sm {
  max-width: 640px;
}

.stack > * + * {
  margin-top: 20px;
}

.path {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(17, 17, 17, 0.6);
}

.page-title {
  margin-top: 12px;
  font-family: var(--pixel);
  font-size: 20px;
  line-height: 1.5;
}
.page-lead {
  margin-top: 14px;
  max-width: 60ch;
  font-size: 14px;
}
.page-head {
  margin-bottom: 24px;
}

/* ---------------- type helpers ---------------- */

.pixel {
  font-family: var(--pixel);
  line-height: 1.5;
}
.label {
  font-family: var(--pixel);
  font-size: 9px;
  letter-spacing: 0.06em;
  line-height: 1.6;
}
.muted {
  color: var(--gray);
}
.small {
  font-size: 12px;
}
.shadow-text {
  color: var(--yellow);
  text-shadow: 4px 4px 0 var(--black);
}

/* ---------------- boxes ---------------- */

.box {
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow);
}
.box-sm {
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow-sm);
}
.box-dark {
  background: var(--black);
  color: var(--white);
}
.clip {
  overflow: hidden;
}
.pad {
  padding: 28px 20px;
}

.pixel-rule {
  height: 6px;
  margin: 40px 0;
  background-image: linear-gradient(90deg, var(--black) 50%, transparent 50%);
  background-size: 12px 6px;
}

/* ---------------- system header / readout ---------------- */

.sysbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  background: var(--black);
  border-bottom: var(--border);
  color: var(--white);
}
.sysbar .label:first-child {
  color: var(--yellow);
}
.sysbar-path {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.7);
}
.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  background: var(--green);
  animation: pulse 1.6s ease-in-out infinite;
}
.dot.red {
  background: var(--red);
}
.dot.black {
  background: var(--black);
}

.readout {
  display: grid;
  gap: 3px;
  background: var(--black);
  border-top: var(--border);
}
.readout div {
  display: flex;
  gap: 8px;
  padding: 8px 12px;
  background: var(--cream);
  font-size: 11px;
}
.readout dt {
  color: var(--gray);
}
.readout dd {
  font-weight: 600;
}

/* ---------------- buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 14px 20px;
  border: var(--border);
  background: var(--white);
  color: var(--black);
  box-shadow: var(--shadow-sm);
  font-family: var(--pixel);
  font-size: 10px;
  line-height: 1.3;
  letter-spacing: 0.03em;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: transform 90ms ease, box-shadow 90ms ease;
  -webkit-tap-highlight-color: transparent;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn:active {
  transform: translate(3px, 3px);
  box-shadow: none;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}
.btn-dark {
  background: var(--black);
  color: var(--yellow);
}
.btn-yellow {
  background: var(--yellow);
}
.btn-block {
  width: 100%;
}
.btn-big {
  padding: 20px;
  font-size: 12px;
}

.btn-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ---------------- forms ---------------- */

.input,
.textarea {
  width: 100%;
  padding: 12px;
  border: var(--border);
  border-radius: 0;
  background: var(--cream);
  color: var(--black);
  font-family: var(--mono);
  font-size: 16px; /* 16px stops iOS zooming into the field */
  -webkit-appearance: none;
  appearance: none;
}
.input:focus,
.textarea:focus {
  background: var(--white);
}
.input::placeholder,
.textarea::placeholder {
  color: var(--gray);
}
.textarea {
  resize: vertical;
  line-height: 1.6;
}
.input-wallet {
  word-break: break-all;
}

.field-label {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gray);
}

.prefix {
  display: flex;
}
.prefix span {
  display: flex;
  align-items: center;
  padding: 0 14px;
  background: var(--black);
  border: var(--border);
  border-right: 0;
  color: var(--yellow);
  font-size: 16px;
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.6;
}
.check input {
  position: relative;
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  margin: 0;
  border: var(--border);
  background: var(--white);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}
.check input:checked {
  background: var(--black);
}
.check input:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 7px;
  height: 13px;
  border: solid var(--yellow);
  border-width: 0 3px 3px 0;
  transform: rotate(45deg);
}

/* ---------------- navigation ---------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--yellow);
  border-bottom: var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 12px 16px;
}
.brand {
  font-family: var(--pixel);
  font-size: 15px;
  text-decoration: none;
}
.nav-links {
  display: none;
  align-items: center;
  gap: 24px;
}
.nav-links a:not(.btn) {
  padding-bottom: 4px;
  border-bottom: 3px solid transparent;
  font-family: var(--pixel);
  font-size: 9px;
  text-decoration: none;
}
.nav-links a[aria-current="page"] {
  border-color: var(--black);
}
.nav-toggle {
  min-height: 40px;
  padding: 10px 14px;
}

.menu {
  display: none;
  padding: 16px;
  background: var(--black);
  border-top: var(--border);
}
.menu.open {
  display: block;
}
.menu p {
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--yellow);
}
.menu a:not(.btn) {
  display: block;
  padding: 10px 8px;
  border: 3px solid transparent;
  color: var(--white);
  font-size: 15px;
  text-decoration: none;
}
.menu a:not(.btn):hover,
.menu a[aria-current="page"] {
  border-color: var(--yellow);
  color: var(--yellow);
}
.menu .btn {
  width: 100%;
  margin-top: 14px;
}

/* ---------------- footer ---------------- */

.footer {
  margin-top: 64px;
  background: var(--black);
  color: var(--white);
  border-top: var(--border);
}
.footer-inner {
  display: grid;
  gap: 32px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 16px;
}
.footer-brand {
  font-family: var(--pixel);
  font-size: 18px;
  color: var(--yellow);
}
.footer p {
  margin-top: 12px;
  max-width: 38ch;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
}
.footer ul {
  padding: 0;
  list-style: none;
  font-size: 13px;
}
.footer li + li {
  margin-top: 8px;
}
.footer a {
  text-decoration: none;
}
.footer a:hover {
  color: var(--yellow);
}
.footer-copy {
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  text-align: center;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------------- home ---------------- */

.hero {
  display: grid;
  gap: 32px;
  align-items: center;
  padding: 40px 20px;
}
.hero-404 {
  display: block;
  margin-top: 16px;
  font-family: var(--pixel);
  font-size: 64px;
  line-height: 1;
}
.hero-nf {
  display: block;
  margin-top: 16px;
  font-family: var(--pixel);
  font-size: 22px;
  line-height: 1;
}
.hero-tag {
  margin-top: 24px;
  max-width: 42ch;
  font-size: 16px;
}
.hero-art {
  justify-self: center;
  width: 100%;
  max-width: 320px;
}
.hero .btn-row {
  margin-top: 32px;
}

.specs {
  display: grid;
  gap: 3px;
  background: var(--black);
  border-top: var(--border);
}
.specs div {
  padding: 22px 20px;
  background: var(--cream);
  text-align: center;
}
.specs dt {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gray);
}
.specs dd {
  margin-top: 12px;
  font-family: var(--pixel);
  font-size: 22px;
  line-height: 1;
}

/* roadmap */
.roadmap {
  position: relative;
  margin: 0;
  padding: 32px 20px;
  list-style: none;
}
.phase + .phase {
  margin-top: 36px;
}
.phase-num {
  display: flex;
  align-items: center;
  gap: 12px;
}
.phase-id {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  background: var(--yellow);
  border: var(--border);
  box-shadow: 3px 3px 0 var(--black);
  font-family: var(--pixel);
  font-size: 13px;
}
.phase-tag {
  padding: 3px 8px;
  background: var(--black);
  border: var(--border);
  color: var(--yellow);
  font-size: 10px;
  letter-spacing: 0.1em;
}
.phase-title {
  margin-top: 16px;
  font-family: var(--pixel);
  font-size: 13px;
  line-height: 1.6;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  padding: 0;
  list-style: none;
}
.chips li {
  padding: 7px 12px;
  background: var(--cream);
  border: var(--border);
  font-size: 12px;
}
.chips.dark li {
  background: var(--black);
  color: var(--red);
  font-family: var(--pixel);
  font-size: 10px;
}

.cta {
  margin-top: 40px;
  padding: 32px 20px;
  text-align: center;
}
.cta .pixel {
  font-size: 13px;
  line-height: 1.8;
  color: var(--yellow);
}
.cta .btn-row {
  margin-top: 28px;
  justify-content: center;
}

/* ---------------- about ---------------- */

.feature-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--yellow);
  border-bottom: var(--border);
}
.feature-head span {
  font-size: 18px;
  line-height: 1;
}
.feature-head h3 {
  font-family: var(--pixel);
  font-size: 12px;
  line-height: 1.6;
}
.feature-body {
  padding: 22px 20px;
}
.feature-body > * + * {
  margin-top: 14px;
}
.feature-body p {
  max-width: 58ch;
}
.feature-body .quiet {
  font-size: 13px;
  color: rgba(17, 17, 17, 0.75);
}
.terminal-line {
  padding: 12px 16px;
  background: var(--black);
  border: var(--border);
  color: var(--yellow);
  font-family: var(--pixel);
  font-size: 11px;
}

/* ---------------- whitelist form ---------------- */

.countdown {
  padding: 22px 16px;
  background: var(--cream);
  border-bottom: var(--border);
  text-align: center;
}
.countdown.closed {
  background: var(--black);
  color: var(--white);
}
.state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-family: var(--pixel);
  font-size: 14px;
  color: var(--green);
}
.closed .state {
  color: var(--red);
}
.timer {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  max-width: 440px;
  margin: 12px auto 0;
  background: var(--black);
  border: var(--border);
}
.timer div {
  padding: 12px 2px;
  background: var(--white);
}
.timer b {
  display: block;
  font-family: var(--pixel);
  font-size: 18px;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}
.timer span {
  display: block;
  margin-top: 8px;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.form-title {
  padding: 14px 20px;
  background: var(--yellow);
  border-bottom: var(--border);
  font-family: var(--pixel);
  font-size: 12px;
  line-height: 1.6;
}

.req {
  padding: 24px 20px;
  border-bottom: var(--border);
}
.req-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--pixel);
  font-size: 11px;
  line-height: 1.6;
}
.req-head b {
  font-weight: 400;
  color: var(--yellow-dark);
}
.req-body {
  margin-top: 18px;
}
.req-body > * + * {
  margin-top: 16px;
}
.note {
  font-size: 12px;
  line-height: 1.6;
  color: var(--gray);
}
.counter {
  text-align: right;
  font-size: 11px;
  color: var(--gray);
}

.confirm {
  padding: 24px 20px;
  background: var(--yellow);
  border-bottom: var(--border);
}
.confirm-title {
  padding: 8px 12px;
  background: var(--black);
  border: var(--border);
  color: var(--yellow);
  font-family: var(--pixel);
  font-size: 11px;
}
.confirm .check + .check {
  margin-top: 16px;
}
.confirm .check:first-of-type {
  margin-top: 20px;
}
.confirm .note {
  margin-top: 22px;
  color: rgba(17, 17, 17, 0.75);
}

.submit-area {
  padding: 28px 20px;
}

.alert {
  margin-bottom: 20px;
  padding: 16px;
  background: var(--red);
  border: var(--border);
  color: var(--white);
}
.alert .pixel {
  font-size: 10px;
}
.alert p + p {
  margin-top: 10px;
  font-size: 14px;
}

.console {
  margin-bottom: 20px;
  padding: 16px;
  background: var(--black);
  border: var(--border);
}
.console p {
  margin-top: 6px;
  font-size: 12px;
  color: var(--yellow);
}
.console .label {
  color: rgba(255, 255, 255, 0.6);
}
.loadbar {
  height: 8px;
  margin-top: 14px;
  background: repeating-linear-gradient(-45deg, var(--yellow) 0 8px, transparent 8px 16px);
  background-size: 32px 100%;
  animation: loadbar 600ms linear infinite;
}

/* ---------------- cards (receipt / checker) ---------------- */

.card-center {
  padding: 40px 22px;
  text-align: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: var(--border);
  font-family: var(--pixel);
  font-size: 10px;
}
.badge-yellow {
  background: var(--yellow);
}
.badge-green {
  background: var(--green);
  color: var(--white);
}

.facts {
  display: grid;
  gap: 3px;
  max-width: 400px;
  margin: 32px auto 0;
  background: var(--black);
  border: var(--border);
  text-align: left;
}
.facts div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--cream);
}
.facts dt {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gray);
}
.facts dd {
  font-size: 13px;
  font-weight: 600;
  text-align: right;
  word-break: break-all;
}

.big-404 {
  font-family: var(--pixel);
  font-size: 64px;
  line-height: 1;
}

.verify-head {
  display: flex;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--black);
  border-bottom: var(--border);
}
.verify-head .label {
  color: var(--white);
}
.verify-head .label:first-child {
  color: var(--yellow);
}
.card-gtd {
  background: var(--yellow);
}
.phase-name {
  font-family: var(--pixel);
  font-size: 24px;
  line-height: 1;
}
.phase-name.fcfs {
  display: inline-block;
  padding: 12px 18px;
  background: var(--black);
  border: var(--border);
  color: var(--yellow);
  font-size: 20px;
}
.card-foot {
  padding: 16px;
  background: var(--cream);
  border-top: var(--border);
  text-align: center;
}

.cursor {
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}

.enter {
  animation: cardin 260ms ease-out both;
}

/* ---------------- boot sequence ---------------- */

.boot {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--black);
}
.boot-lines {
  width: 100%;
  max-width: 440px;
}
.boot-lines p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--yellow);
}
.boot-lines p.ready {
  margin-top: 14px;
  color: var(--white);
}
.boot-scan {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  opacity: 0.3;
}
.boot-scan::after {
  content: "";
  display: block;
  height: 90px;
  background: linear-gradient(transparent, rgba(245, 196, 0, 0.25), transparent);
  animation: scan 5s linear infinite;
}
.boot .btn {
  position: absolute;
  right: 20px;
  bottom: 32px;
}

/* ---------------- animation ---------------- */

@keyframes blink {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}
@keyframes scan {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(100vh);
  }
}
@keyframes loadbar {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 32px 0;
  }
}
@keyframes cardin {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------------- larger screens ---------------- */

@media (min-width: 640px) {
  .wrap {
    padding: 48px 20px;
  }
  .page-title {
    font-size: 26px;
  }
  .pad,
  .req,
  .confirm,
  .submit-area {
    padding-left: 28px;
    padding-right: 28px;
  }
  .btn-row {
    flex-direction: row;
  }
  .readout {
    grid-template-columns: repeat(3, 1fr);
  }
  .specs {
    grid-template-columns: repeat(3, 1fr);
  }
  .specs div {
    text-align: left;
  }
  .specs dd {
    font-size: 26px;
  }
  .footer-inner {
    grid-template-columns: 1fr auto;
  }
  .hero {
    padding: 56px 32px;
  }
  .hero-404 {
    font-size: 96px;
  }
  .hero-nf {
    font-size: 30px;
  }
  .timer b {
    font-size: 22px;
  }
  .big-404 {
    font-size: 84px;
  }
  .phase-name {
    font-size: 30px;
  }

  .roadmap {
    padding: 48px 40px;
  }
  .roadmap::before {
    content: "";
    position: absolute;
    left: 66px;
    top: 60px;
    bottom: 80px;
    width: 3px;
    background: var(--black);
  }
  .phase {
    display: grid;
    grid-template-columns: 54px 1fr;
    gap: 24px;
  }
  .phase + .phase {
    margin-top: 44px;
  }
  .phase-num {
    position: relative;
    z-index: 1;
    display: block;
  }
  .phase-num .phase-tag {
    display: none;
  }
  .phase-title {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-top: 4px;
    font-size: 15px;
  }
  .phase-title .phase-tag {
    display: inline;
  }
}

@media (max-width: 639px) {
  .phase-title .phase-tag {
    display: none;
  }
}

@media (min-width: 900px) {
  .nav-links {
    display: flex;
  }
  .nav-toggle,
  .menu {
    display: none !important;
  }
  .hero {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
  }
  .hero-404 {
    font-size: 120px;
  }
  .hero-nf {
    font-size: 36px;
  }
}