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

:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #111111;
  --muted: #737373;
  --line: rgba(0, 0, 0, 0.06);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 64px;
  --page-pad: clamp(1.25rem, 4vw, 2rem);
  --section-space: clamp(4rem, 8vw, 6rem);
  --max: 1080px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Instrument Sans", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
}

body.walk-active {
  overflow: hidden;
}

body.loaded .walk-intro {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Walk intro */
.walk-intro {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg);
  transition: opacity 0.65s var(--ease-out), visibility 0.65s;
}

.walk-intro.walk-intro--finishing {
  pointer-events: none;
}

.walk-intro.walk-intro--finishing .walk-ui,
.walk-intro.walk-intro--finishing .walk-mark {
  opacity: 0;
}

#walk-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.walk-mark {
  position: absolute;
  top: clamp(1.25rem, 4vh, 2rem);
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--muted);
  transition: opacity 0.35s ease;
}

.walk-ui {
  position: absolute;
  left: 50%;
  bottom: calc(1.25rem + 8px);
  transform: translateX(-50%);
  width: min(320px, calc(100vw - 2rem));
  text-align: center;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.walk-ui .walk-hold-btn {
  pointer-events: auto;
}

.walk-hint {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.walk-hint kbd {
  display: inline-block;
  min-width: 1.5rem;
  padding: 0.1rem 0.4rem;
  margin-left: 0.15rem;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: var(--surface);
  font: inherit;
  font-size: 0.78rem;
  color: var(--text);
}

.walk-hint-mobile {
  display: none;
}

.walk-hold-btn {
  display: none;
  width: 100%;
  margin-top: 0.85rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--text);
  color: var(--surface);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  user-select: none;
  touch-action: none;
}

.walk-hold-btn.is-holding {
  opacity: 0.88;
}

@media (max-width: 768px), (pointer: coarse) {
  .walk-hint-desktop {
    display: none;
  }
  .walk-hint-mobile {
    display: block;
  }
  .walk-hold-btn {
    display: block;
  }
}

.walk-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--line);
  overflow: hidden;
}

.walk-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--text);
  transition: width 0.06s linear;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem var(--page-pad);
  max-width: var(--max);
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}

.site-header.scrolled {
  border-color: var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: inherit;
  font-weight: 600;
  font-size: 1.05rem;
}

.nav {
  display: none;
  gap: 1.75rem;
  align-items: center;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--text);
}

.nav-cta {
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: var(--text);
  color: var(--surface) !important;
  font-size: 0.85rem !important;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 auto 0;
  z-index: 50;
  background: var(--surface);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.35s var(--ease-out), opacity 0.35s;
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav a {
  text-decoration: none;
  color: var(--text);
  font-size: 1.1rem;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }
  .menu-toggle {
    display: none;
  }
}

/* Hero */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem var(--page-pad) var(--section-space);
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 3rem;
    padding-top: 2.5rem;
    min-height: calc(100dvh - var(--header-h) - 2rem);
  }
}

.hero-content {
  max-width: 34rem;
}

.hero-partner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.partner-swoosh {
  display: block;
  width: auto;
  height: 20px;
}

.partner-label {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.25rem, 5.5vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin: 0 0 1rem;
  font-weight: 600;
}

.hero-title em {
  font-style: normal;
  color: var(--muted);
  font-weight: 500;
}

.hero-lead {
  font-size: 1rem;
  color: var(--muted);
  max-width: 30rem;
  margin: 0 0 1.5rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 0;
}

.btn {
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
  padding: 0.85rem 1.5rem;
  border: none;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--text);
  color: var(--surface);
}

.btn-primary:hover {
  background: #000;
}

.btn-ghost {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--line);
}

.btn-ghost:hover {
  border-color: rgba(0, 0, 0, 0.14);
}

.btn-sm {
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  background: var(--text);
  color: var(--surface);
  width: 100%;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem 1.25rem;
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

@media (max-width: 520px) {
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1.1rem;
  }
}

.stat-value {
  display: block;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.7rem;
  color: var(--muted);
  line-height: 1.35;
}

.hero-launch {
  margin: 1rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 240px;
}

@media (min-width: 900px) {
  .hero-visual {
    justify-content: flex-end;
  }
}

.hero-shoe {
  width: min(340px, 78vw);
  height: auto;
}

/* Sections */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--section-space) var(--page-pad);
}

.section + .section {
  padding-top: 0;
}

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.section-head h2,
.token-copy h2,
.connect-copy h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.03em;
  margin: 0;
  font-weight: 600;
  line-height: 1.15;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 3rem 0 0;
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.5rem 1.35rem;
}

.step-num {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--muted);
}

.step-card h3 {
  margin: 0.75rem 0 0.5rem;
  font-size: 1.15rem;
}

.step-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Token */
.token-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 960px) {
  .token-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.token-body {
  color: var(--muted);
  max-width: 28rem;
  margin: 1rem 0 1.5rem;
}

.token-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.token-list li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

.token-list li::before {
  content: "→ ";
  color: var(--muted);
}

.token-widget {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.coin {
  width: 160px;
  height: 160px;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.1s linear;
  cursor: grab;
  user-select: none;
}

.coin:active {
  cursor: grabbing;
}

.coin-face {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  backface-visibility: hidden;
  border: 2px solid var(--line);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}

.coin-front {
  background: linear-gradient(145deg, #fff 0%, #ececec 100%);
}

.coin-back {
  background: linear-gradient(145deg, #1a1a1a 0%, #000 100%);
  color: #fff;
  transform: rotateY(180deg);
  font-weight: 700;
  letter-spacing: 0.15em;
}

.coin-symbol {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1;
}

.coin-name {
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  margin-top: 0.25rem;
}

.coin-hint {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0;
}

.live-run {
  width: 100%;
  max-width: 340px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.25rem;
}

.live-run-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.pulse {
  width: 8px;
  height: 8px;
  background: #ef4444;
  border-radius: 50%;
  animation: live-pulse 1.2s ease infinite;
}

@keyframes live-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.45;
  }
}

.live-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
  text-align: center;
}

.metric-val {
  display: block;
  font-size: 1.35rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.metric-lbl {
  font-size: 0.65rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Connect */
.connect-panel {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: clamp(1.5rem, 4vw, 2.25rem);
}

.connect-copy p:last-of-type {
  color: var(--muted);
  max-width: 36rem;
  margin-top: 1rem;
}

.connect-actions {
  display: grid;
  gap: 0.75rem;
  margin-top: 2rem;
}

@media (min-width: 640px) {
  .connect-actions {
    grid-template-columns: 1fr 1fr;
  }
}

.connect-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--bg);
  cursor: pointer;
  font: inherit;
  text-align: left;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.connect-btn:hover {
  border-color: rgba(0, 0, 0, 0.12);
}

.connect-btn.connected {
  border-color: rgba(34, 197, 94, 0.35);
  background: rgba(34, 197, 94, 0.06);
}

.connect-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.connect-icon svg {
  width: 22px;
  height: 22px;
}

.connect-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.connect-text strong {
  font-size: 0.95rem;
}

.connect-text small {
  color: var(--muted);
  font-size: 0.8rem;
}

.connect-status {
  font-size: 0.75rem;
  color: var(--muted);
  white-space: nowrap;
}

.connect-btn.connected .connect-status {
  color: #15803d;
}

.connect-footnote {
  margin: 1.5rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.5rem;
  margin-top: 1rem;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding-inline: var(--page-pad);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.footer-disclaimer {
  margin: 0;
  font-size: 0.75rem;
  color: var(--muted);
  max-width: 40rem;
}

/* Modal */
.modal {
  border: none;
  padding: 0;
  border-radius: 1.25rem;
  max-width: min(420px, calc(100vw - 2rem));
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.18);
}

.modal::backdrop {
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(4px);
}

.modal-inner {
  padding: 2rem;
  text-align: center;
}

.modal-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.modal-inner h3 {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
}

.modal-inner p {
  color: var(--muted);
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
}

.qr-placeholder {
  width: 140px;
  height: 140px;
  margin: 0 auto 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: var(--bg);
}

.qr-grid {
  width: 100%;
  height: 100%;
  background-image: linear-gradient(90deg, #111 2px, transparent 2px),
    linear-gradient(#111 2px, transparent 2px);
  background-size: 12px 12px;
  opacity: 0.85;
  border-radius: 4px;
}

.modal-url {
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem !important;
  color: var(--text) !important;
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.modal-success .modal-inner {
  text-align: left;
}

/* Reveal animations */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
  transition-delay: var(--d, 0s);
}

body.reveals-ready [data-reveal].visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .walk-intro {
    display: none;
  }
}