/* ============================================================
   GIZMO ARC — Units-terminal aesthetic
   Game Boy green + ink + cream, hard pixel shadows, no rounding
   ============================================================ */

:root {
  --bg: #247fdb;          /* arc blue */
  --bg-deep: #1e6cbb;
  --ink: #101e3c;         /* deep navy ink (matches the art backgrounds) */
  --ink-soft: #1a2c52;
  --paper: #eff3d8;       /* cream */
  --paper-dim: #dfe6bd;
  --gold: #d9a441;        /* active step amber */
  --blue: #1d9bf0;        /* x blue */
  --shadow: rgba(9, 20, 44, 0.4);
  --px: 3px;              /* border unit */
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  /* safe here: on html this scrolls the viewport as normal, and it covers
     browsers without `overflow-x: clip` support (Safari < 16) */
  overflow-x: hidden;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "VT323", monospace;
  font-size: 22px;
  line-height: 1.4;
  /* clip, not hidden: `overflow-x: hidden` forces overflow-y to auto,
     which makes body a scroll container and breaks programmatic scrolling */
  overflow-x: clip;
  position: relative;
}

/* CRT scanlines + vignette */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  background:
    repeating-linear-gradient(0deg, rgba(9,20,44,0.08) 0 1px, transparent 1px 4px),
    radial-gradient(ellipse at center, transparent 60%, rgba(9,20,44,0.22) 100%);
  /* own compositor layer: keeps scrolling from repainting the overlay */
  transform: translateZ(0);
  will-change: transform;
}

::selection { background: var(--ink); color: var(--paper); }

h1, h2, h3, .btn, .chip, .ptab, .topbar__brand, .hero__badge {
  font-family: "Press Start 2P", monospace;
}

/* ============ TOP BAR ============ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  background: var(--ink);
  color: var(--paper);
  border-bottom: var(--px) solid var(--ink);
}

.topbar__brand {
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 2px;
}

.topbar__nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.chip {
  font-size: 10px;
  padding: 9px 12px;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid var(--paper);
  color: var(--paper);
  background: transparent;
  white-space: nowrap;
}

.chip small { font-size: 7px; opacity: 0.75; }

.chip--lit { background: var(--paper); color: var(--ink); }
.chip--lit:hover { background: var(--gold); border-color: var(--gold); }
.chip--frame:hover { background: var(--paper); color: var(--ink); }
.chip--dim { opacity: 0.45; border-color: var(--paper); cursor: default; }

/* ============ HERO ============ */

.hero {
  text-align: center;
  padding: 88px 20px 72px;
  position: relative;
}

.hero__badge {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  padding: 12px 18px;
  letter-spacing: 3px;
  animation: flicker 4s infinite steps(1);
}

@keyframes flicker {
  0%, 93%, 96%, 100% { opacity: 1; }
  94% { opacity: 0.55; }
  95% { opacity: 0.85; }
}

.hero__title {
  font-size: clamp(52px, 12vw, 118px);
  margin: 34px 0 26px;
  color: var(--ink);
  letter-spacing: 4px;
  text-shadow:
    5px 5px 0 var(--paper),
    11px 11px 0 var(--shadow);
}

.hero__tagline {
  font-size: 24px;
  min-height: 1.5em;
  letter-spacing: 1px;
}

.cursor {
  animation: blink 1s infinite steps(1);
}

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

.hero__actions {
  margin-top: 42px;
  display: flex;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
}

/* ============ BUTTONS ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 12px;
  padding: 18px 24px;
  color: var(--ink);
  background: var(--paper);
  border: var(--px) solid var(--ink);
  box-shadow: 5px 5px 0 var(--shadow);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.08s ease, box-shadow 0.08s ease;
  user-select: none;
}

.btn:hover:not(:disabled) {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--shadow);
}

.btn:active:not(:disabled) {
  transform: translate(5px, 5px);
  box-shadow: none;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn--primary { background: var(--ink); color: var(--paper); }
.btn--x { background: var(--blue); color: #fff; border-color: var(--ink); }
.btn--gold { background: var(--gold); }
.btn--wide { width: 100%; }
.btn--verify { background: var(--paper-dim); }
.btn--verify.is-done { background: var(--ink); color: var(--paper); }
.btn.is-done:disabled { opacity: 1; cursor: default; }

.btn .dmnd { font-size: 9px; }

.dot {
  width: 8px;
  height: 8px;
  background: currentColor;
  display: inline-block;
  opacity: 0.5;
}

.is-verifying .dot { animation: blink 0.4s infinite steps(1); opacity: 1; }
.is-done .dot { opacity: 1; background: var(--gold); }

/* ============ MARQUEE ============ */

.marquee {
  background: var(--paper);
  border-top: var(--px) solid var(--ink);
  border-bottom: var(--px) solid var(--ink);
  padding: 14px 0;
  overflow: hidden;
  box-shadow: 0 6px 0 var(--shadow);
}

.marquee__track {
  display: flex;
  gap: 18px;
  width: max-content;
  animation: scroll 60s linear infinite;
  will-change: transform;
}

.marquee:hover .marquee__track { animation-play-state: paused; }

@keyframes scroll {
  to { transform: translateX(-50%); }
}

.marquee__track img {
  width: 84px;
  height: 84px;
  image-rendering: pixelated;
  border: var(--px) solid var(--ink);
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
  .cursor, .is-verifying .dot { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* keyboard focus */
.btn:focus-visible,
.chip:focus-visible,
.ptab:focus-visible,
.task__action:focus-visible,
.gallery a:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.field input:focus-visible { outline: none; }

/* ============ SECTIONS ============ */

.section {
  max-width: 640px;
  margin: 0 auto;
  padding: 90px 20px 40px;
  scroll-margin-top: 70px;
}

/* scroll-in reveals */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease-out, transform 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.reveal.is-visible { opacity: 1; transform: none; }

.section--wide { max-width: 1100px; }

.section__title {
  font-size: clamp(24px, 5vw, 40px);
  letter-spacing: 3px;
  text-shadow: 3px 3px 0 var(--paper);
}

.section__sub {
  margin-top: 16px;
  font-size: 24px;
}

.notice {
  margin-top: 34px;
  background: var(--paper);
  border: var(--px) solid var(--ink);
  box-shadow: 7px 7px 0 var(--shadow);
  padding: 26px 22px;
  text-align: center;
  font-size: 22px;
}

/* ============ WIZARD ============ */

.wizard { margin-top: 40px; scroll-margin-top: 80px; }

.refbanner {
  background: var(--gold);
  color: var(--ink);
  border: var(--px) solid var(--ink);
  box-shadow: 5px 5px 0 var(--shadow);
  font-family: "Press Start 2P", monospace;
  font-size: 10px;
  line-height: 1.8;
  text-align: center;
  padding: 14px 16px;
  margin-bottom: 26px;
  animation: bannerin 0.35s ease-out;
}

@keyframes bannerin {
  from { transform: translateY(-12px); opacity: 0; }
}

.wizard__progress {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: var(--px) solid var(--ink);
  background: var(--ink);
  gap: var(--px);
  box-shadow: 6px 6px 0 var(--shadow);
}

.ptab {
  font-size: 10px;
  padding: 14px 4px;
  text-align: center;
  background: var(--bg-deep);
  color: rgba(9, 20, 44, 0.6);
  border: none;
  cursor: default;
  transition: background 0.2s ease, color 0.2s ease;
}

.ptab.is-active { background: var(--gold); color: var(--ink); }
.ptab.is-done { background: var(--ink-soft); color: var(--paper); cursor: pointer; }
.ptab.is-done::before { content: "\2713  "; }

/* cards */

.card {
  margin-top: 26px;
  background: var(--paper);
  border: var(--px) solid var(--ink);
  box-shadow: 8px 8px 0 var(--shadow);
  padding: 34px 28px;
}

.step { display: none; }
.step.is-current { display: block; animation: stepin 0.28s ease-out; }

@keyframes stepin {
  from { transform: translateY(8px); opacity: 0; }
}

.card__title {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 26px;
  letter-spacing: 1px;
}

.card__title--center { text-align: center; }

.card .btn + .btn,
.card .btn + .hint,
.card .hint + .btn,
.card .task + .btn { margin-top: 16px; }

/* fields */

.field {
  display: flex;
  align-items: center;
  background: var(--paper-dim);
  border: var(--px) solid var(--ink);
  margin-bottom: 16px;
}

.field:focus-within { background: #fff; box-shadow: 4px 4px 0 var(--shadow); }

.field__at {
  font-family: "Press Start 2P", monospace;
  font-size: 14px;
  padding-left: 16px;
  opacity: 0.6;
}

.field input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  font-family: "VT323", monospace;
  font-size: 26px;
  color: var(--ink);
  padding: 14px 16px;
  letter-spacing: 1px;
}

.field input::placeholder { color: var(--ink); opacity: 0.4; }

.hint { font-size: 20px; opacity: 0.75; margin-bottom: 20px; }
.hint--center { text-align: center; margin-bottom: 0; }
.hint--error { color: #a03018; opacity: 1; }

/* step 3 tasks */

.task { margin-bottom: 22px; }

.task__action {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: "Press Start 2P", monospace;
  font-size: 12px;
  color: var(--ink);
  text-decoration: none;
  border: var(--px) solid var(--ink);
  background: var(--paper);
  padding: 16px 18px;
  margin-bottom: 8px;
}

.task__action:hover { background: var(--gold); }
.task__arrow { font-size: 14px; }

/* success */

.step--success { text-align: center; }

.success__pfp {
  width: 112px;
  height: 112px;
  image-rendering: pixelated;
  border: var(--px) solid var(--ink);
  box-shadow: 6px 6px 0 var(--shadow);
  margin-bottom: 24px;
}

.success__line {
  font-size: 24px;
  margin-bottom: 6px;
  word-break: break-all;
}

.success__line span { font-family: "Press Start 2P", monospace; font-size: 13px; }

/* referral box */

.refbox {
  margin: 26px 0 20px;
  background: var(--ink);
  color: var(--paper);
  border: var(--px) solid var(--ink);
  box-shadow: 5px 5px 0 var(--shadow);
  padding: 22px 18px;
  text-align: center;
}

.refbox__label {
  font-family: "Press Start 2P", monospace;
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--gold);
  margin-bottom: 16px;
}

.refbox__row {
  display: flex;
  gap: 10px;
}

.refbox__row input {
  flex: 1;
  min-width: 0;
  background: var(--ink-soft);
  border: 2px solid var(--paper);
  color: var(--paper);
  font-family: "VT323", monospace;
  font-size: 20px;
  padding: 10px 12px;
  letter-spacing: 1px;
  text-overflow: ellipsis;
  outline: none;
}

.refbox__row .btn {
  padding: 10px 18px;
  font-size: 11px;
  flex-shrink: 0;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.5);
}

.refbox__count {
  font-family: "Press Start 2P", monospace;
  font-size: 11px;
  margin-top: 18px;
}

.refbox__sync {
  font-family: "Press Start 2P", monospace;
  font-size: 8px;
  background: transparent;
  color: var(--paper);
  border: 2px solid var(--paper);
  padding: 5px 8px;
  margin-left: 10px;
  cursor: pointer;
  vertical-align: middle;
}

.refbox__sync:hover { background: var(--gold); border-color: var(--gold); color: var(--ink); }
.refbox__sync:disabled { opacity: 0.5; cursor: wait; }

.refbox__count span { color: var(--gold); font-size: 15px; }

.refbox__hint {
  font-size: 18px;
  opacity: 0.65;
  margin-top: 10px;
}

/* ============ GALLERY ============ */

.gallery {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 16px;
}

.gallery a {
  border: var(--px) solid var(--ink);
  box-shadow: 4px 4px 0 var(--shadow);
  display: block;
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.gallery a:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--shadow);
}

.gallery img {
  width: 100%;
  height: auto;
  display: block;
  image-rendering: pixelated;
}

/* ============ FOOTER ============ */

.footer {
  margin-top: 90px;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 22px 24px;
  font-size: 20px;
}

.footer a { color: var(--gold); text-decoration: none; }
.footer a:hover { text-decoration: underline; }
.footer__mid { opacity: 0.6; }

/* ============ RESPONSIVE ============ */

@media (max-width: 720px) {
  .topbar { flex-direction: column; }
  .hero { padding-top: 60px; }
  .hero__actions .btn { width: 100%; max-width: 340px; }
  .card { padding: 26px 18px; }
  .ptab { font-size: 8px; }
}