/* ── chirps — light redesign v11 ── */

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

:root {
  --bg: #fafafa;
  --bg-alt: #f0f0f0;
  --bg-card: #ffffff;
  --bg-hover: #f5f5f5;
  --black: #0a0a0a;
  --accent: #0a0a0a;
  --text: #0a0a0a;
  --text-2: #6b6b6b;
  --text-3: #999999;
  --border: rgba(0,0,0,0.08);
  --border-hover: rgba(0,0,0,0.15);
  --green: #16a34a;
  --green-soft: rgba(22, 163, 74, 0.06);
  --green-border: rgba(22, 163, 74, 0.2);
  --gold: #ca8a04;
  --orange: #ea580c;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --radius: 12px;
  --radius-sm: 8px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: var(--text-2); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--text); }
button { font-family: var(--font); border: none; cursor: pointer; }

/* ── Nav ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 56px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--black) !important;
  letter-spacing: -0.02em;
}

.nav-right {
  display: flex; align-items: center; gap: 24px;
}

.nav-right a {
  font-size: 13px;
  font-weight: 450;
  color: var(--text-3);
  transition: color 0.15s;
}
.nav-right a:hover { color: var(--text); }

.nav-cta {
  font-size: 13px;
  font-weight: 500;
  color: #fff !important;
  background: var(--black);
  padding: 6px 16px;
  border-radius: 999px;
  transition: all 0.15s;
  text-decoration: none;
}
.nav-cta:hover { background: #333; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 500;
  color: #fff;
  background: var(--black);
  padding: 10px 24px;
  border-radius: 999px;
  transition: all 0.2s;
}
.btn:hover { background: #333; transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border-hover);
}
.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

/* ── Hero ── */
.hero {
  min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  padding: 80px 24px 60px;
  position: relative;
}

.hero-inner {
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 5px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-card);
  margin-bottom: 32px;
}

.hero-badge-icon {
  border-radius: 50%;
}

.hero-chirp {
  image-rendering: pixelated;
  width: 120px; height: 120px;
  margin-bottom: 24px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.hero h1 {
  font-family: var(--mono);
  font-size: clamp(40px, 7vw, 64px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--black);
  margin-bottom: 16px;
}

.hero-sub {
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 380px;
}

.hero-actions {
  display: flex; gap: 10px;
  margin-top: 28px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-metrics {
  display: flex; align-items: center; gap: 28px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.metric { text-align: center; }
.metric-val {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--black);
  display: block;
  letter-spacing: -0.02em;
}
.metric-label {
  font-size: 11px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2px;
}
.metric-sep {
  width: 1px; height: 28px;
  background: var(--border);
}

/* ── Sections ── */
.section {
  padding: 80px 24px;
}

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-inner {
  max-width: 680px;
  margin: 0 auto;
}

.label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
  text-align: center;
}

.section h2 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.03em;
  text-align: center;
  margin-bottom: 16px;
  color: var(--black);
}

.section-desc {
  font-size: 15px;
  color: var(--text-2);
  text-align: center;
  max-width: 400px;
  margin: 0 auto 40px;
}

/* ── Steps ── */
.steps {
  display: flex; flex-direction: column;
  gap: 1px;
  margin-top: 40px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.step {
  display: flex; align-items: flex-start; gap: 20px;
  padding: 24px;
  background: var(--bg-card);
  transition: background 0.15s;
}
.step:hover { background: var(--bg-hover); }

.step-n {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-3);
  flex-shrink: 0;
  padding-top: 1px;
}

.step-body h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--black);
}

.step-body p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}

/* ── Numbers ── */
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.number-block {
  background: var(--bg-card);
  padding: 32px 20px;
  text-align: center;
}

.number-big {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--black);
  display: block;
  letter-spacing: -0.02em;
}

.number-desc {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 6px;
  display: block;
}

/* ── Traits ── */
.traits-list {
  display: flex; flex-direction: column;
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.trait-row {
  display: flex; align-items: center;
  padding: 14px 20px;
  background: var(--bg-card);
  transition: background 0.15s;
}
.trait-row:hover { background: var(--bg-hover); }

.trait-name {
  font-size: 14px;
  font-weight: 500;
  flex: 1;
  color: var(--text);
}

.trait-meta {
  font-size: 13px;
  color: var(--text-3);
  margin-right: 16px;
}

.trait-rarity {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 999px;
}

.r-common { color: var(--text-3); background: rgba(0,0,0,0.04); }
.r-uncommon { color: var(--green); background: var(--green-soft); }
.r-rare { color: var(--gold); background: rgba(202, 138, 4, 0.06); }
.r-legendary { color: var(--orange); background: rgba(234, 88, 12, 0.06); }

/* ── Wallet ── */
.wallet-area {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 48px 24px;
  text-align: center;
}

.wallet-prompt p {
  color: var(--text-2);
  font-size: 14px;
  margin-bottom: 16px;
}

.wallet-connected { display: none; }

.wallet-info {
  display: flex; align-items: center; justify-content: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 28px;
}
.wallet-sep { color: var(--text-3); }

.chirps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.chirps-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.chirp-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
  transition: all 0.15s;
}
.chirp-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.chirp-card canvas {
  image-rendering: pixelated;
  width: 96px; height: 96px;
  display: block;
  margin: 0 auto 10px;
  border-radius: 6px;
}
.chirp-name {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-2);
}

/* ── Token Address ── */
.token-section {
  text-align: center;
}

.token-addr-box {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 24px;
  margin: 0 auto 16px;
  max-width: 520px;
  width: 100%;
}

.token-addr-box code {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-2);
  word-break: break-all;
  text-align: left;
  flex: 1;
  line-height: 1.5;
}

.copy-btn {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-3);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.15s;
  flex-shrink: 0;
}
.copy-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
  background: var(--bg-card);
}
.copy-btn svg { width: 14px; height: 14px; }

.token-links {
  display: flex; justify-content: center; gap: 12px;
}
.token-links a {
  font-size: 13px;
  color: var(--text-3);
  transition: color 0.15s;
}
.token-links a:hover { color: var(--text); }

/* ── Swap Page ── */
.swap-page-wrap {
  min-height: 100dvh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-top: 56px;
  overflow-y: scroll;
}

html:has(.swap-page-wrap) {
  overflow-y: scroll;
}

.swap-page-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

.swap-page-inner {
  width: 100%;
  max-width: 880px;
}

.swap-page-header {
  text-align: center;
  margin-bottom: 32px;
}

.swap-page-header h1 {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--black);
  margin-bottom: 8px;
}

.swap-page-header p {
  font-size: 15px;
  color: var(--text-2);
}

.swap-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

/* ── Swap Card ── */
.swap-card {
  background: var(--bg-card);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.swap-header {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
  background: var(--bg);
  border-radius: 8px;
  padding: 3px;
}

.swap-dir-btn {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-3);
  background: transparent;
  padding: 7px 0;
  border-radius: 6px;
  transition: all 0.15s;
}
.swap-dir-btn.active {
  color: var(--text);
  background: var(--bg-card);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.swap-dir-btn:hover:not(.active) { color: var(--text-2); }

.swap-field {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.swap-field-label {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.swap-balance {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0;
  text-transform: none;
}

.swap-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.swap-input {
  flex: 1;
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 500;
  color: var(--text);
  background: transparent;
  border: none;
  outline: none;
  min-width: 0;
  letter-spacing: -0.02em;
}
.swap-input::placeholder { color: var(--text-3); opacity: 0.5; }
.swap-input-out { color: var(--text-2); }

.swap-token-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px 5px 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  flex-shrink: 0;
  white-space: nowrap;
}

.swap-token-icon {
  font-size: 16px;
  line-height: 1;
}

.swap-arrow-wrap {
  display: flex;
  justify-content: center;
  padding: 4px 0;
  position: relative;
  z-index: 1;
}

.swap-arrow-btn {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-3);
  transition: all 0.15s;
  margin: -12px 0;
}
.swap-arrow-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
  transform: rotate(180deg);
}

.swap-rate {
  font-size: 12px;
  font-family: var(--mono);
  color: var(--text-3);
  text-align: center;
  min-height: 18px;
  margin: 4px 0;
}

.swap-btn {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
  padding: 14px 24px;
  font-size: 15px;
}
.swap-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.swap-btn.swap-btn-connect {
  background: var(--black);
  opacity: 1;
}

.swap-btn.swap-btn-ready {
  background: var(--green);
  opacity: 1;
}
.swap-btn.swap-btn-ready:hover {
  background: #15803d;
}

.swap-footer {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-3);
  padding-top: 4px;
}

.swap-footer strong { color: var(--text-2); }

/* ── Token Info Card ── */
.token-card {
  background: var(--bg-card);
  padding: 24px;
  display: flex;
  flex-direction: column;
}



/* ── Swap loading ── */
.swap-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

@keyframes swapSpin {
  to { transform: rotate(360deg); }
}

.swap-spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: swapSpin 0.6s linear infinite;
}

.swap-layout-single {
  grid-template-columns: 1fr;
  max-width: 575px;
  margin: 0 auto;
}

/* ── Swap responsive ── */
@media (max-width: 768px) {
  .swap-layout {
    grid-template-columns: 1fr;
  }
  .swap-page-inner { max-width: 440px; }
}

@media (max-width: 480px) {
  .swap-input { font-size: 20px; }
  .swap-card { padding: 20px 16px; }
  .token-card { padding: 20px 16px; }
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
}

.footer-inner {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-3);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-brand:hover {
  color: var(--text-1);
}

.footer-note {
  font-size: 12px;
  color: var(--text-3);
}

.footer-uni {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  font-size: 12px;
  color: var(--text-3);
  opacity: 0.6;
  transition: opacity 0.2s;
}

.footer-uni:hover {
  opacity: 1;
}

.footer-uni img {
  border-radius: 50%;
}

/* ── Sticker Strips ── */
.sticker-strip {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 28px;
  padding: 32px 24px;
  overflow: hidden;
  position: relative;
  max-width: 680px;
  margin: 0 auto;
}

.sticker-strip-wide {
  gap: 20px;
  max-width: 780px;
}

.sticker {
  image-rendering: pixelated;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  flex-shrink: 0;
  will-change: transform, opacity;
}

/* Sticker pop-in */
@keyframes stickerPop {
  0% {
    opacity: 0;
    transform: scale(0) rotate(var(--rot, 0deg));
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(var(--rot, 0deg));
  }
}

.sticker-pop {
  opacity: 0;
  transform: scale(0) rotate(var(--rot, 0deg));
}

.sticker-pop.popped {
  animation: stickerPop 0.4s ease-out forwards;
}

/* Stagger pop delays */
.sticker-pop.s1 { --pop-delay: 0s; }
.sticker-pop.s2 { --pop-delay: 0.08s; }
.sticker-pop.s3 { --pop-delay: 0.16s; }
.sticker-pop.s4 { --pop-delay: 0.12s; }
.sticker-pop.s5 { --pop-delay: 0.2s; }

.sticker:hover {
  transform: scale(1.12) rotate(0deg) !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}

/* Mobile: fewer stickers, smaller */
@media (max-width: 768px) {
  .sticker-strip { gap: 16px; padding: 24px 16px; }
  .sticker-pop.s4,
  .sticker-pop.s5 { display: none; }
}

@media (max-width: 480px) {
  .sticker-strip { gap: 12px; padding: 20px 16px; }
  .sticker-pop.s3 { display: none; }
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  animation: fadeUp 0.7s ease-out forwards;
}
.d1 { animation-delay: 0.1s; }
.d2 { animation-delay: 0.2s; }
.d3 { animation-delay: 0.35s; }
.d4 { animation-delay: 0.5s; }
.d5 { animation-delay: 0.7s; }

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  nav { padding: 0 16px; }
  .nav-right { gap: 16px; }
  .nav-right a { display: none; }
  
  .hero { padding: 80px 20px 48px; }
  .hero-chirp { width: 96px; height: 96px; }
  .hero h1 { font-size: 36px; }
  .hero-sub { font-size: 15px; }
  .hero-metrics { gap: 20px; flex-wrap: wrap; justify-content: center; }
  .metric-sep { display: none; }
  
  .section { padding: 56px 20px; }
  
  .numbers-grid { grid-template-columns: repeat(2, 1fr); }
  
  .trait-meta { display: none; }
  
  .chirps-grid { grid-template-columns: repeat(2, 1fr); }
  .chirps-grid-3 { grid-template-columns: repeat(3, 1fr); }
  
  .token-addr-box {
    max-width: 100%;
    padding: 14px 16px;
    gap: 10px;
  }
  .token-addr-box code { font-size: 11px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 32px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-metrics { flex-direction: column; gap: 16px; }
  .numbers-grid { grid-template-columns: 1fr 1fr; }
  .step { flex-direction: column; gap: 8px; }
  .step-n { font-size: 12px; }
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.15s ease;
  pointer-events: none;
}

.modal-overlay.modal-visible {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 380px;
  width: 100%;
  text-align: center;
  transform: scale(0.95);
  transition: transform 0.15s ease;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.modal-visible .modal-box {
  transform: scale(1);
}

.modal-image {
  margin-bottom: 16px;
  border-radius: 50%;
}

.modal-icon {
  font-size: 32px;
  margin-bottom: 16px;
  display: block;
}

.modal-title {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 8px;
}

.modal-msg {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 24px;
}

.modal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  background: var(--black);
  padding: 10px 32px;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s;
}

.modal-btn:hover { background: #333; }

.modal-btn-outline {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
  margin-left: 8px;
}

.modal-btn-outline:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.modal-actions {
  display: flex;
  justify-content: center;
  gap: 8px;
}

/* ── Selection ── */
::selection {
  background: var(--black);
  color: var(--bg);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.2); }