/* =========================================================
   Design tokens
   ========================================================= */
:root {
  --bg: #0b0e17;
  --bg-soft: #121629;
  --card: #161b2e;
  --card-alt: #1a2036;
  --border: #262d47;
  --text: #eef0fb;
  --text-dim: #9aa0c0;
  --text-faint: #6b7194;
  --accent: #7c5cff;
  --accent-2: #34d9c8;
  --success: #34d399;
  --warning: #f5b942;
  --danger: #ff6b6b;
  --radius: 14px;
  --radius-sm: 8px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 72px;
  --nav-height: 64px;
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 12px);
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 700;
}

h2 {
  font-size: 1.75rem;
  margin: 0 0 var(--space-2);
}

h3 {
  font-size: 1.1rem;
  margin: 0 0 var(--space-2);
}

h4 {
  font-size: 1rem;
  margin: 0 0 var(--space-1);
}

p {
  margin: 0 0 var(--space-3);
  color: var(--text);
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.9em;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

.skip-link {
  position: absolute;
  top: -48px;
  left: 8px;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 8px;
}

/* =========================================================
   Focus states
   ========================================================= */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* =========================================================
   Navigation
   ========================================================= */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(11, 14, 23, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  flex-shrink: 0;
}

.logo {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: #0b0e17;
  flex-shrink: 0;
}

.brand-name {
  white-space: nowrap;
}

.brand-symbol {
  color: var(--accent-2);
  font-weight: 600;
  font-size: 0.85em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-links ul {
  list-style: none;
  display: flex;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  white-space: nowrap;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
}

.nav-toggle-bar {
  width: 18px;
  height: 2px;
  background: var(--text);
  margin: 0 auto;
  display: block;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  border-radius: 999px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, opacity 0.15s ease;
  min-height: 44px;
}

.btn-primary,
.btn-connect-wallet {
  background: linear-gradient(135deg, var(--accent), #5a3fe0);
  color: #fff;
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.35);
}

.btn-primary:hover:not(:disabled),
.btn-connect-wallet:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(124, 92, 255, 0.45);
}

.nav-links .btn-connect-wallet {
  padding: 10px 20px;
  min-height: 38px;
  font-size: 0.88rem;
}

.btn-secondary {
  background: transparent;
  color: var(--accent-2);
  border: 1px solid rgba(52, 217, 200, 0.4);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(52, 217, 200, 0.1);
}

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

.btn-ghost:hover:not(:disabled) {
  color: var(--text);
  border-color: var(--text-faint);
}

.btn-resource {
  background: var(--card-alt);
  color: var(--text);
  border: 1px solid var(--border);
  font-size: 0.88rem;
  padding: 10px 18px;
}

.btn-resource:hover {
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.btn:disabled,
.btn.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  pointer-events: none;
}

.btn-copy {
  background: var(--bg-soft);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 32px;
  white-space: nowrap;
}

.btn-copy:hover:not(:disabled) {
  color: var(--text);
  border-color: var(--accent-2);
}

.btn-copy:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  margin-top: var(--space-3);
}

.external-mark {
  font-size: 0.85em;
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-7) 0 var(--space-6);
  text-align: center;
  background: radial-gradient(circle at 50% -20%, #1b2140 0%, var(--bg) 70%);
  border-bottom: 1px solid var(--border);
}

.hero-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(124, 92, 255, 0.3), transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}

.hero-inner {
  position: relative;
}

.badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: var(--space-4);
}

.badge-network {
  background: rgba(124, 92, 255, 0.15);
  color: var(--accent-2);
  border: 1px solid rgba(124, 92, 255, 0.4);
}

.hero h1 {
  font-size: 3rem;
  margin: 0 0 var(--space-3);
}

.symbol-pill {
  display: inline-block;
  font-size: 1rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(124, 92, 255, 0.15);
  color: var(--accent-2);
  border: 1px solid rgba(124, 92, 255, 0.4);
  vertical-align: middle;
  margin-left: 8px;
}

.tagline {
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto var(--space-2);
  font-size: 1.05rem;
}

.disclaimer-inline {
  color: var(--text-faint);
  max-width: 520px;
  margin: 0 auto var(--space-5);
  font-size: 0.9rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

/* =========================================================
   Status badges
   ========================================================= */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-dim);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 999px;
  margin: 0;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-faint);
  flex-shrink: 0;
}

.status-badge[data-state="not-connected"] .status-dot { background: var(--text-faint); }
.status-badge[data-state="connecting"] .status-dot { background: var(--warning); }
.status-badge[data-state="connected"] .status-dot { background: var(--success); }
.status-badge[data-state="wrong-network"] .status-dot { background: var(--warning); }
.status-badge[data-state="unavailable"] .status-dot { background: var(--danger); }

.status-badge[data-state="connected"] { color: var(--success); border-color: rgba(52, 211, 153, 0.35); }
.status-badge[data-state="wrong-network"] { color: var(--warning); border-color: rgba(245, 185, 66, 0.35); }
.status-badge[data-state="unavailable"] { color: var(--danger); border-color: rgba(255, 107, 107, 0.35); }

/* =========================================================
   Status / notification message
   ========================================================= */
.status-message {
  font-size: 0.9rem;
}

#statusMessage:not([hidden]) {
  display: block;
  max-width: var(--max-width);
  margin: var(--space-4) auto 0;
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

#statusMessage[data-type="error"] {
  color: var(--danger);
  border-color: rgba(255, 107, 107, 0.35);
}
#statusMessage[data-type="success"] {
  color: var(--success);
  border-color: rgba(52, 211, 153, 0.35);
}
#statusMessage[data-type="warning"] {
  color: var(--warning);
  border-color: rgba(245, 185, 66, 0.35);
}
#statusMessage[data-type="info"] {
  color: var(--accent-2);
  border-color: rgba(52, 217, 200, 0.35);
}

/* =========================================================
   Sections & cards
   ========================================================= */
.section {
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--border);
}

.section:last-of-type {
  border-bottom: none;
}

.section-intro {
  color: var(--text-dim);
  max-width: 640px;
}

.subsection-heading {
  margin-top: var(--space-5);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-4);
}

.subcard {
  margin-top: var(--space-4);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
}

.check-list {
  margin: 0;
  padding-left: 1.2em;
}

.check-list li {
  margin-bottom: var(--space-2);
  color: var(--text-dim);
}

.numbered-list {
  padding-left: 1.4em;
  color: var(--text-dim);
}

.numbered-list li {
  margin-bottom: var(--space-2);
}

.fine-print {
  color: var(--text-faint);
  font-size: 0.85rem;
  margin-top: var(--space-3);
  margin-bottom: 0;
}

/* =========================================================
   How it works steps
   ========================================================= */
.step-grid {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
}

.step-card {
  position: relative;
  padding-top: var(--space-5);
}

.step-number {
  position: absolute;
  top: var(--space-3);
  left: var(--space-4);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(124, 92, 255, 0.15);
  border: 1px solid rgba(124, 92, 255, 0.4);
  color: var(--accent-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.step-card h3 {
  margin-top: var(--space-2);
}

.step-card p {
  color: var(--text-dim);
  margin-bottom: 0;
  font-size: 0.92rem;
}

/* =========================================================
   Token details table
   ========================================================= */
.table-wrap {
  overflow-x: auto;
}

.details-table {
  width: 100%;
  border-collapse: collapse;
}

.details-table th,
.details-table td {
  text-align: left;
  padding: 12px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}

.details-table tr:last-child th,
.details-table tr:last-child td {
  border-bottom: none;
}

.details-table th {
  color: var(--text-dim);
  font-weight: 600;
  width: 40%;
  white-space: nowrap;
}

.address-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.address-row code {
  word-break: break-all;
}

.verification-note {
  margin: var(--space-3) 0 0;
  font-size: 0.85rem;
  color: var(--text-faint);
}

.verification-note[data-state="verified"] {
  color: var(--success);
}

.verification-note[data-state="mismatch"] {
  color: var(--warning);
}

/* =========================================================
   Wallet dashboard
   ========================================================= */
.dashboard-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.last-refresh {
  color: var(--text-faint);
  font-size: 0.85rem;
  margin: 0;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin: 0;
}

.dashboard-item dt {
  color: var(--text-dim);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.dashboard-item dd {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  word-break: break-word;
}

.dashboard-item .unit {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-2);
}

.address-display {
  background: transparent;
  border: none;
  color: var(--text);
  font: inherit;
  font-weight: 600;
  padding: 0;
  cursor: default;
  text-align: left;
}

.address-display:disabled {
  color: var(--text-faint);
  cursor: not-allowed;
}

/* =========================================================
   Safety panel
   ========================================================= */
.safety-panel {
  margin-top: var(--space-4);
  border-left: 4px solid var(--warning);
  background: linear-gradient(90deg, rgba(245, 185, 66, 0.07), transparent 60%);
}

.safety-panel h2 {
  font-size: 1.15rem;
  color: var(--warning);
}

.safety-list {
  margin: 0;
  padding-left: 1.2em;
  columns: 1;
}

.safety-list li {
  margin-bottom: var(--space-2);
  color: var(--text-dim);
}

@media (min-width: 720px) {
  .safety-list {
    columns: 2;
    column-gap: var(--space-5);
  }
  .safety-list li {
    break-inside: avoid;
  }
}

/* =========================================================
   Resource grid / learn grid
   ========================================================= */
.resource-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.learn-grid {
  margin-top: var(--space-3);
}

.learn-grid .card p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* =========================================================
   Roadmap
   ========================================================= */
.status-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 999px;
}

.status-tag-done {
  background: rgba(52, 211, 153, 0.15);
  color: var(--success);
  border: 1px solid rgba(52, 211, 153, 0.35);
}

.status-tag-progress {
  background: rgba(124, 92, 255, 0.15);
  color: var(--accent);
  border: 1px solid rgba(124, 92, 255, 0.35);
}

.status-tag-idea {
  background: rgba(154, 160, 192, 0.12);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.roadmap-card ul {
  margin-top: var(--space-3);
}

/* =========================================================
   FAQ accordion
   ========================================================= */
.faq-list h3 {
  margin: 0;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 16px 20px;
  font-size: 0.98rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-sm);
  margin-top: var(--space-2);
}

.faq-question::after {
  content: "+";
  font-size: 1.2rem;
  color: var(--accent-2);
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.faq-question[aria-expanded="true"]::after {
  transform: rotate(45deg);
}

.faq-question:hover {
  border-color: var(--accent-2);
}

.faq-answer {
  padding: 4px 20px 16px;
  color: var(--text-dim);
  font-size: 0.92rem;
}

.faq-answer p {
  margin: 0;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  padding: var(--space-5) 0 var(--space-4);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-title {
  margin: 0;
  font-weight: 700;
}

.footer-tag {
  margin: 0;
  color: var(--text-faint);
  font-size: 0.85rem;
}

.footer-contract {
  font-size: 0.88rem;
  color: var(--text-dim);
}

.footer-contract p {
  margin: 0 0 4px;
}

.footer-contract a {
  color: var(--accent-2);
  text-decoration: none;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.88rem;
}

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

.footer-disclaimer {
  text-align: center;
  color: var(--text-faint);
  font-size: 0.82rem;
  margin: 0;
  padding: 0 24px;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3) 24px var(--space-4);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease, transform 0.15s ease;
  }

  .nav-links.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-links ul {
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
  }

  .nav-links a {
    display: block;
    padding: 8px 0;
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .hero {
    padding: var(--space-6) 0 var(--space-5);
  }

  .section {
    padding: var(--space-5) 0;
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button-row {
    flex-direction: column;
    align-items: stretch;
  }

  .button-row .btn,
  .button-row .btn-copy {
    width: 100%;
  }

  .details-table th {
    width: 42%;
  }

  .address-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* =========================================================
   Reduced motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}