/* ---------- Design tokens ---------- */
:root {
  --bg: #0f1020;
  --fg: #f4f4fb;
  --card: #1a1b35;
  --border: #2a2c50;
  --muted: #9aa0c5;
  --primary: #22d3ee;     /* cyan */
  --accent: #ec4899;      /* magenta */
  --primary-fg: #0a0a14;
  --gradient: linear-gradient(135deg, #22d3ee 0%, #ec4899 100%);
  --glow: radial-gradient(circle at 50% 0%, rgba(34,211,238,.25), transparent 60%);
  --shadow-glow: 0 20px 60px -20px rgba(34,211,238,.5);
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

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

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15,16,32,.8);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(42,44,80,.6);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 32px; height: 32px;
  background: var(--gradient);
  border-radius: 10px;
  display: grid; place-items: center;
  color: var(--primary-fg);
}
.logo-mark svg { width: 16px; height: 16px; }
.logo-text { font-weight: 700; font-size: 14px; letter-spacing: -0.01em; }
.accent { color: var(--primary); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 10px; font-weight: 600; cursor: pointer;
  transition: opacity .2s, transform .1s, background .2s, border-color .2s;
  border: 1px solid transparent;
}
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-lg { padding: 14px 22px; font-size: 15px; }
.btn-primary {
  background: var(--gradient);
  color: var(--primary-fg);
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { opacity: .92; }
.btn-outline {
  background: rgba(26,27,53,.4);
  border-color: var(--border);
  color: var(--fg);
}
.btn-outline:hover { background: var(--card); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero-glow {
  position: absolute; inset: 0;
  background: var(--glow);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  text-align: center;
  padding: 80px 20px 100px;
}
@media (min-width: 768px) { .hero-inner { padding: 130px 20px 140px; } }

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  background: rgba(26,27,53,.6);
  border-radius: 999px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.pill .dot { width: 6px; height: 6px; background: var(--primary); border-radius: 50%; box-shadow: 0 0 12px var(--primary); }

.display {
  font-size: clamp(40px, 8vw, 76px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 auto;
  max-width: 800px;
}
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  margin: 24px auto 0;
  max-width: 540px;
  color: var(--muted);
  font-size: 17px;
}

.cta-row {
  display: flex; flex-direction: column; gap: 12px;
  justify-content: center; align-items: center;
  margin-top: 36px;
}
@media (min-width: 640px) { .cta-row { flex-direction: row; } }

.stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 560px;
  margin: 60px auto 0;
  padding-top: 32px;
  border-top: 1px solid rgba(42,44,80,.6);
}
.stat-num { font-size: 28px; font-weight: 700; color: var(--primary); }
.stat-lbl { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ---------- Sections ---------- */
.section { padding: 80px 20px; }
.center { text-align: center; }
.narrow { max-width: 540px; margin: 16px auto 0; }
.narrow-section { max-width: 720px; }

.eyebrow {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--primary);
  margin-bottom: 12px;
}
h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 700; letter-spacing: -0.02em; margin: 0 0 12px; }
.big-h { font-size: clamp(28px, 5vw, 52px); font-weight: 700; letter-spacing: -0.02em; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 800px) { .grid-2 { grid-template-columns: 1fr 1fr; gap: 60px; } }

.bullets { list-style: none; padding: 0; margin: 24px 0 0; }
.bullets li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 14px;
}
.bullets li::before {
  content: ''; position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary);
}

.feature-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  position: relative;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
}
.feature-card .ico { font-size: 18px; color: var(--primary); }
.feature-card .big { font-size: 22px; font-weight: 700; margin-top: 24px; }

/* ---------- Table ---------- */
.table-wrap {
  margin-top: 32px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--card);
  overflow: hidden;
}
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--border); }
tbody tr:last-child td { border-bottom: none; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
.right { text-align: right; }
.mono { font-family: ui-monospace, 'SF Mono', monospace; font-size: 12px; }
td.accent { color: var(--primary); font-weight: 600; }

/* ---------- Partners ---------- */
.partners {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (min-width: 768px) { .partners { grid-template-columns: repeat(5, 1fr); } }
.partner {
  height: 80px;
  display: grid; place-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  font-weight: 600;
  font-size: 14px;
  text-align: center;
  padding: 0 12px;
  transition: border-color .2s, color .2s;
}
.partner:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- FAQ ---------- */
.faq {
  margin-top: 32px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 0 20px;
}
.faq details {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
.faq details:last-child { border-bottom: none; }
.faq summary {
  list-style: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  display: flex; justify-content: space-between; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '⌄';
  color: var(--muted);
  transition: transform .2s;
}
.faq details[open] summary::after { transform: rotate(180deg); }
.faq p { margin: 12px 0 0; color: var(--muted); font-size: 14px; }

/* ---------- Final CTA ---------- */
.final-cta {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 24px;
  padding: 60px 30px;
  text-align: center;
}
@media (min-width: 768px) { .final-cta { padding: 90px 40px; } }
.final-inner { position: relative; }
.final-inner p { max-width: 480px; margin: 16px auto 32px; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid rgba(42,44,80,.6);
  margin-top: 20px;
}
.foot-inner {
  display: flex; flex-direction: column; gap: 8px;
  align-items: center; justify-content: space-between;
  padding: 28px 20px;
  font-size: 12px;
  color: var(--muted);
}
@media (min-width: 640px) { .foot-inner { flex-direction: row; } }

/* ---------- Form page ---------- */
.form-page { padding: 60px 20px 100px; max-width: 760px; }
.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 32px;
  position: relative;
}
@media (min-width: 640px) { .form-card { padding: 40px; } }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 600; color: var(--fg); }
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="url"] {
  background: rgba(15,16,32,.6);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(34,211,238,.18);
}
.field input.invalid { border-color: #f87171; }
.err { color: #f87171; font-size: 12px; min-height: 14px; }

/* Upload boxes */
.upload {
  border: 1.5px dashed var(--border);
  border-radius: 14px;
  padding: 28px 16px;
  text-align: center;
  cursor: pointer;
  background: rgba(15,16,32,.4);
  transition: border-color .2s, background .2s;
  position: relative;
  overflow: hidden;
}
.upload:hover, .upload.drag { border-color: var(--primary); background: rgba(34,211,238,.05); }
.upload.has-file { border-style: solid; border-color: var(--primary); }
.upload-inner { display: flex; flex-direction: column; gap: 6px; align-items: center; font-size: 14px; color: var(--muted); }
.upload-inner strong { color: var(--fg); }
.upload-ico { font-size: 28px; margin-bottom: 4px; }
#thumbPreview { display: block; max-height: 220px; max-width: 100%; margin: 12px auto 0; border-radius: 10px; }
.file-name { margin-top: 14px; padding: 10px 14px; background: rgba(34,211,238,.1); color: var(--primary); border-radius: 10px; font-size: 13px; font-weight: 600; }

.check {
  display: flex; align-items: flex-start; gap: 10px;
  margin: 24px 0;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
}
.check input { margin-top: 3px; accent-color: var(--primary); }

.full-w { width: 100%; }

/* Success card */
.success-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 48px 32px;
  text-align: center;
}
.success-ico {
  width: 72px; height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--gradient);
  color: var(--primary-fg);
  display: grid; place-items: center;
  font-size: 36px;
  font-weight: 800;
  box-shadow: var(--shadow-glow);
}
.success-card h2 { font-size: 28px; margin: 0 0 16px; }
.success-card p { max-width: 480px; margin: 0 auto 16px; font-size: 15px; line-height: 1.6; }

/* ---------- Mobile polish ---------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { min-width: 480px; }
@media (max-width: 640px) {
  .section { padding: 56px 18px; }
  .hero-inner { padding: 56px 18px 72px; }
  .stats { gap: 10px; margin-top: 40px; padding-top: 24px; }
  .stat-num { font-size: 22px; }
  .feature-card { padding: 16px; }
  .feature-card .big { font-size: 18px; margin-top: 16px; }
  .final-cta { padding: 48px 22px; border-radius: 20px; }
  .big-h { font-size: clamp(24px, 7vw, 36px); }
  .form-card { padding: 24px; border-radius: 18px; }
  .cta-row .btn { width: 100%; }
}
img, svg { max-width: 100%; height: auto; }

/* ---------- Admin dashboard ---------- */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 20px;
}
.admin-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .15s ease, border-color .15s ease;
}
.admin-card:hover { transform: translateY(-2px); border-color: rgba(34,211,238,.4); }
.admin-media {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #000;
  display: block;
}
.admin-media-empty {
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 14px;
}
.admin-body { padding: 16px; display: flex; flex-direction: column; gap: 14px; }
.admin-head { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.admin-head h3 { margin: 0; font-size: 18px; }
.admin-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 14px;
  font-size: 14px;
}
.admin-meta a { color: var(--primary); word-break: break-all; }
.admin-meta > div { min-width: 0; }
.small { font-size: 12px; }
.admin-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--fg);
  background: rgba(255,255,255,.02);
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
@media (max-width: 480px) {
  .admin-meta { grid-template-columns: 1fr; }
}

/* ---------- Reward page ---------- */
.reward-banner {
  position: relative;
  padding: 80px 0 40px;
  text-align: center;
  overflow: hidden;
}
.trophy {
  font-size: clamp(64px, 12vw, 110px);
  filter: drop-shadow(0 12px 40px rgba(236,72,153,.45));
  animation: bob 3s ease-in-out infinite;
}
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.reward-title { font-size: clamp(36px, 7vw, 52px); margin: 12px 0 0; }
@media (min-width: 900px) {.reward-title {margin: 0 auto;}}

.prize-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: clamp(28px, 5vw, 48px);
  text-align: center;
  max-width: 760px;
  margin: 0 auto 40px;
  background-image: var(--glow);
  box-shadow: var(--shadow-glow);
}
.prize-label {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
}
.prize-amount {
  font-size: clamp(56px, 13vw, 110px);
  font-weight: 900;
  line-height: 1;
  margin: 8px 0 20px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.prize-amount span { font-size: 0.3em; color: var(--muted); margin-left: 10px; -webkit-text-fill-color: var(--muted); }
.prize-note { color: var(--muted); max-width: 580px; margin: 0 auto 28px; }

.donate-flow { max-width: 760px; margin: 0 auto 60px; }
.section-title { font-size: clamp(22px, 3vw, 28px); margin: 0 0 16px; }

.method-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 24px;
}
@media (max-width: 540px) { .method-grid { grid-template-columns: 1fr; } }
.method-btn {
  display: flex; align-items: center; gap: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  color: var(--fg);
  cursor: pointer;
  text-align: left;
  transition: all .2s;
  font-family: inherit;
}
.method-btn:hover { border-color: var(--primary); transform: translateY(-2px); }
.method-btn.active { border-color: var(--primary); background-image: var(--glow); box-shadow: var(--shadow-glow); }
.method-ico {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--gradient);
  display: grid; place-items: center;
  font-size: 24px; font-weight: 800;
  color: var(--primary-fg);
  flex-shrink: 0;
}
.method-btn small { display: block; margin-top: 2px; }

.details-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
}
.details-box summary {
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.details-box summary::-webkit-details-marker { display: none; }
.details-box summary::after { content: '▾'; float: right; color: var(--muted); transition: transform .2s; }
.details-box[open] summary::after { transform: rotate(180deg); }
.details-body { padding: 0 20px 20px; border-top: 1px solid var(--border); padding-top: 16px; }
.detail-row {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; padding: 8px 0; flex-wrap: wrap;
}
.detail-row .muted { font-size: 13px; }
.details-body hr { border: none; border-top: 1px solid var(--border); margin: 12px 0; }
code.addr {
  background: rgba(34,211,238,.08);
  border: 1px dashed rgba(34,211,238,.4);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 13px;
  word-break: break-all;
  cursor: pointer;
  color: var(--primary);
  font-family: ui-monospace, Menlo, monospace;
}
code.addr:hover { background: rgba(34,211,238,.16); }

#proofPreview { max-width: 100%; max-height: 240px; border-radius: 10px; margin-top: 12px; }

/* Admin proofs */
.admin-tabs { display: flex; gap: 8px; margin: 8px 0 24px; flex-wrap: wrap; }
.admin-tab {
  background: var(--card); border: 1px solid var(--border);
  color: var(--fg); padding: 10px 18px; border-radius: 999px;
  cursor: pointer; font-family: inherit; font-weight: 600;
}
.admin-tab.active { background: var(--gradient); color: var(--primary-fg); border-color: transparent; }