:root {
  /* Backgrounds */
  --bg: #171717;
  --surface: #1f1f1f;
  --surface-2: #333333;

  /* Text */
  --text: #fffdf5;
  --text-muted: #999999;

  /* Borders */
  --border: #404040;

  /* Brand Colors */
  --gold: #e9b949;
  --teal: #1ab396;
  --purple: #7c3aed;
  --red: #ef4444;
  --blue: #3b82f6;
  --cyan: #00d4ff;
  --orange: #f97316;

  /* Accent */
  --accent: #00d4ff;
  --accent-rgb: 0,212,255;

  /* Radius */
  --radius: 0.25rem;

  /* Spacing Scale */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 5rem;
  --space-5xl: 8rem;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

.mono {
  font-family: 'JetBrains Mono', monospace;
}

.display {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.container {
  max-width: 1800px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-4xl) 0;
}

@media (min-width: 768px) {
  .section { padding: var(--space-4xl) 0; }
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) 0;
  background: rgba(23,23,23,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: 'Oswald', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: opacity 0.2s;
}

.nav-logo:hover {
  opacity: 0.8;
}

.nav-logo > span { color: var(--accent); }

.nav-sub {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
}

.nav-links a {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: color 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

@media (max-width: 768px) {
  .nav-links { display: none; }
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--space-4xl) 0;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at top right, rgba(var(--accent-rgb),0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero > .container {
  width: 100%;
}

.hero-content {
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding: var(--space-xs) var(--space-md);
  border: 1px solid rgba(var(--accent-rgb),0.3);
  border-radius: 9999px;
  margin-bottom: var(--space-xl);
  transition: all 0.3s;
}

.hero-badge::before {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-badge:hover {
  background: rgba(var(--accent-rgb),0.1);
  border-color: var(--accent);
}

.hero-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(2.5rem, 7vw, 6rem);
  font-weight: 700;
  line-height: 0.95;
  margin-bottom: var(--space-xl);
  text-transform: uppercase;
}

.hero-title .line-1 {
  color: var(--text);
}

.hero-title .line-2 {
  color: var(--accent);
}

.hero-statement {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 42rem;
  margin-bottom: var(--space-2xl);
  line-height: 1.7;
}

.hero-statement strong {
  color: var(--text);
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: #33ddff;
  box-shadow: 0 0 20px rgba(var(--accent-rgb),0.4);
}

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

.btn-secondary:hover {
  background: var(--surface-2);
  border-color: var(--text-muted);
}

.hero-pipeline {
  display: flex;
  gap: var(--space-lg);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.pipeline-step {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.pipeline-step:hover {
  color: var(--accent);
}

.pipeline-step .num {
  color: var(--accent);
  font-weight: 700;
}

.pipeline-arrow {
  color: var(--border);
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .pipeline-arrow { display: none; }
  .hero-pipeline {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

.problem-solution {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-4xl) 0;
}

.ps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  max-width: 1800px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .ps-grid { grid-template-columns: 1fr; }
}

.ps-block {
  padding: var(--space-xl);
  border-right: 1px solid var(--border);
  transition: background 0.3s;
}

.ps-block:last-child {
  border-right: none;
}

@media (max-width: 768px) {
  .ps-block {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .ps-block:last-child { border-bottom: none; }
}

.ps-block:hover {
  background: var(--surface-2);
}

.ps-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.ps-label.problem {
  color: var(--text-muted);
}

.ps-label.solution {
  color: var(--accent);
}

.ps-title {
  font-family: 'Oswald', sans-serif;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.ps-text {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

.how-it-works {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.hiw-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.hiw-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.hiw-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  text-transform: uppercase;
}

.hiw-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

@media (max-width: 1200px) {
  .hiw-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .hiw-grid { grid-template-columns: 1fr; }
}

.hiw-step {
  background: var(--surface);
  padding: var(--space-xl);
  transition: all 0.3s;
  position: relative;
}

.hiw-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0.2rem;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.3s;
}

.hiw-step:hover {
  background: var(--surface-2);
}

.hiw-step:hover::before {
  opacity: 1;
}

.hiw-step-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.hiw-step-title {
  font-family: 'Oswald', sans-serif;
  font-size: 1.25rem;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.hiw-step-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.features-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.features-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.features-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  text-transform: uppercase;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-xl);
  transition: all 0.2s;
}

.feature-card:hover {
  transform: translateY(-2px);
  border-color: rgba(var(--accent-rgb),0.3);
  box-shadow: 0 10px 15px -3px rgba(var(--accent-rgb),0.15);
}

.feature-icon {
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.feature-card-title {
  font-family: 'Oswald', sans-serif;
  font-size: 1.25rem;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.feature-card-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

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

.stats-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.stats-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.stats-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  text-transform: uppercase;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl) var(--space-2xl);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

.stat-card {
  text-align: center;
  padding: var(--space-xl);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.2s;
}

.stat-card:hover {
  border-color: rgba(var(--accent-rgb),0.3);
  transform: translateY(-2px);
}

.stat-value {
  font-family: 'Oswald', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.stat-metric {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2xs);
}

.stat-detail {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.partners-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.partners-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.partners-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  text-transform: uppercase;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 1024px) {
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .partners-grid {
    grid-template-columns: 1fr;
  }
}

.partner-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-xl);
  transition: all 0.2s;
}

.partner-card:hover {
  border-color: rgba(var(--accent-rgb),0.3);
  transform: translateY(-2px);
}

.partner-number {
  font-family: 'Oswald', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: var(--space-md);
}

.partner-title {
  font-family: 'Oswald', sans-serif;
  font-size: 0.9rem;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.partner-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.cta {
  text-align: center;
  padding: var(--space-4xl) 0;
}

.cta-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.cta-title .highlight {
  color: var(--accent);
}

.cta-text {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: var(--space-2xl);
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.cta-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--border);
  max-width: 600px;
  margin: 0 auto;
}

@media (max-width: 480px) {
  .cta-info {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

.cta-info-item {
  text-align: center;
}

.cta-info-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-2xs);
}

.cta-info-value {
  font-family: 'Oswald', sans-serif;
  font-size: 1rem;
}

.footer {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: 'Oswald', sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.footer-logo span {
  color: var(--accent);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

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

.footer-social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  transition: color 0.2s, border-color 0.2s, transform 0.2s;
}

.footer-social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.footer-cards {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.footer-card {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, transform 0.2s;
  text-decoration: none;
}

.footer-card:hover {
  border-color: var(--text-muted);
  transform: translateY(-1px);
}

.footer-card-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.footer-card-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-card-name {
  font-family: 'Oswald', sans-serif;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text);
}

.footer-card-desc {
  font-size: 0.65rem;
  color: var(--text-muted);
  line-height: 1.3;
}

@media (max-width: 768px) {
  .footer-inner {
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
  }
  .footer-cards {
    flex-direction: column;
    width: 100%;
  }
}

/* ── Mobile Nav Panel ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform 0.2s, opacity 0.2s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
}

.nav-panel {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: var(--space-lg);
}
.nav-panel.active { display: block; }
.nav-backdrop.active { display: block; }
.nav-panel-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.nav-panel-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-panel-links a:hover { color: var(--text); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
}
/* ===== Support / donations ===== */
.support { background: var(--surface); border-top: 1px solid var(--border); }
.support-head { text-align: center; max-width: 640px; margin: 0 auto var(--space-2xl); }
.support-label { font-family: "JetBrains Mono", monospace; font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); }
.support-title { font-family: "Oswald", sans-serif; font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin: var(--space-xs) 0 var(--space-sm); color: var(--text); }
.support-intro { color: var(--text-muted); line-height: 1.7; }
.support-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--space-md); max-width: 1040px; margin: 0 auto; }
.support-card { display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--space-sm); background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-lg) var(--space-md); }
.support-logo { width: 36px; height: 36px; }
.support-asset { font-family: "Oswald", sans-serif; font-weight: 600; font-size: 1.02rem; color: var(--text); }
.support-qr { width: 140px; height: 140px; background: #fff; padding: 8px; border-radius: var(--radius); border: 1px solid var(--border); }
.copy-addr.support-addr { display: inline-flex; align-items: center; gap: 6px; font-family: "JetBrains Mono", monospace; font-size: 0.78rem; color: var(--text); background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 6px 10px; cursor: pointer; transition: border-color .15s ease, color .15s ease; }
.copy-addr.support-addr:hover { border-color: var(--accent); color: var(--accent); }
.copy-addr.support-addr svg { width: 13px; height: 13px; opacity: 0.55; }
.support-net { font-family: "JetBrains Mono", monospace; font-size: 0.66rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.support-note { text-align: center; color: var(--text-muted); font-size: 0.85rem; margin-top: var(--space-lg); }
.support-disclaimer { text-align: center; color: var(--text-muted); opacity: 0.8; font-size: 0.75rem; line-height: 1.6; max-width: 620px; margin: var(--space-sm) auto 0; }
.support-logos { display: flex; gap: 8px; align-items: center; justify-content: center; }
.support-logos .support-logo { width: 30px; height: 30px; }
/* Full addresses: wrap inside the card instead of truncating */
.copy-addr.support-addr { word-break: break-all; max-width: 100%; font-size: 0.72rem; line-height: 1.5; padding: 8px 10px; text-align: left; }
.copy-addr.support-addr svg { flex-shrink: 0; }

/* Fiat donation card (Ko-fi) */
.support-grid-fiat { max-width: 340px; margin-top: var(--space-md); }
.support-fiat { justify-content: center; gap: var(--space-md); }
.support-fiat-note { font-family: "JetBrains Mono", monospace; font-size: 0.66rem; color: var(--text-muted); letter-spacing: 0.04em; text-transform: uppercase; }
.support-cta { display: inline-flex; align-items: center; gap: 8px; font-family: "JetBrains Mono", monospace; font-size: 0.82rem; font-weight: 600; color: var(--bg); background: var(--accent); border-radius: var(--radius); padding: 11px 20px; transition: opacity .15s ease, transform .15s ease; }
.support-cta:hover { opacity: 0.92; transform: translateY(-1px); }
.support-cta svg { width: 14px; height: 14px; }