/* ── Variáveis ──────────────────────────────────────────────── */
:root {
  --black:   #0a0a0a;
  --orange:  #f7931a;
  --cream:   #f5f0e8;
  --green:   #00ff41;
  --grey:    #141414;
  --grey2:   #1e1e1e;
  --grey3:   #2a2a2a;
  --grey4:   #3a3a3a;
  --text:    #d8d4cc;
  --muted:   #666;
  --red:     #e03c3c;
  --gold:    #ffd700;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  min-height: 100vh;
  line-height: 1.6;
}

/* ── Nav ────────────────────────────────────────────────────── */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--grey3);
  position: sticky;
  top: 0;
  background: rgba(10,10,10,0.96);
  backdrop-filter: blur(8px);
  z-index: 100;
}

.site-nav-logo {
  font-family: 'Archivo Black', sans-serif;
  font-size: 1rem;
  letter-spacing: 0.2em;
  color: var(--orange);
  text-decoration: none;
}

.site-nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav-links li { display: flex; }

.site-nav-links a {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s;
}

.site-nav-links a:hover,
.site-nav-links a.active {
  color: var(--orange);
}

.dl-nav-price {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--green);
  background: rgba(0,255,65,0.07);
  border: 1px solid rgba(0,255,65,0.2);
  border-radius: 4px;
  padding: 0.3rem 0.75rem;
  margin-left: auto;
}

@media (max-width: 720px) {
  .site-nav {
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.25rem;
  }
  .site-nav-links {
    gap: 1rem;
    flex-wrap: wrap;
  }
  .site-nav-links a {
    font-size: 0.72rem;
  }
  .dl-nav-price {
    margin-left: 0;
  }
}

/* ── Hero ───────────────────────────────────────────────────── */
.dl-hero {
  max-width: 860px;
  margin: 0 auto;
  padding: 4rem 2rem 3rem;
  text-align: center;
}

.dl-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--orange);
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.dl-hero h1 {
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--cream);
  line-height: 1.05;
  margin-bottom: 1rem;
}

.dl-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 540px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.dl-legend {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--muted);
}

/* ── Tier badges ────────────────────────────────────────────── */
.tier-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
}

.tier-free { background: var(--grey3); color: var(--text); border: 1px solid var(--grey4); }
.tier-std  { background: rgba(247,147,26,0.15); color: var(--orange); border: 1px solid rgba(247,147,26,0.4); }
.tier-pro  { background: rgba(255,215,0,0.12); color: var(--gold); border: 1px solid rgba(255,215,0,0.35); }

/* ── Catálogo ───────────────────────────────────────────────── */
.dl-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem 6rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.dl-loading {
  text-align: center;
  color: var(--muted);
  padding: 4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
}

/* ── Card ───────────────────────────────────────────────────── */
.dl-card {
  background: var(--grey);
  border: 1px solid var(--grey3);
  border-radius: 10px;
  display: grid;
  grid-template-columns: 200px 1fr;
  overflow: hidden;
  transition: border-color 0.2s;
}

.dl-card:hover { border-color: var(--grey4); }

@media (max-width: 640px) {
  .dl-card { grid-template-columns: 1fr; }
}

.dl-card-preview {
  background: var(--grey2);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 160px;
}

.dl-card-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.dl-card-preview.no-preview::after {
  content: '📄';
  font-size: 3rem;
}

.dl-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.dl-card-title {
  font-family: 'Archivo Black', sans-serif;
  font-size: 1.05rem;
  color: var(--cream);
}

.dl-card-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.55;
}

/* ── Tiers dentro do card ───────────────────────────────────── */
.dl-tiers {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.dl-tier {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  background: var(--grey2);
  border: 1px solid var(--grey3);
}

@media (max-width: 500px) {
  .dl-tier { grid-template-columns: 1fr; gap: 0.5rem; }
}

.dl-tier-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.dl-tier-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted);
}

.dl-tier-price {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.1rem;
}

.price-sats {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--orange);
}

.price-eur {
  font-size: 0.7rem;
  color: var(--muted);
}

/* ── Botões tier ────────────────────────────────────────────── */
.btn-tier {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border-radius: 5px;
  cursor: pointer;
  border: none;
  white-space: nowrap;
  transition: opacity 0.2s, transform 0.1s;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-tier:hover { opacity: 0.85; transform: translateY(-1px); }

.btn-tier--free {
  background: var(--grey3);
  color: var(--text);
  border: 1px solid var(--grey4);
}

.btn-tier--paid {
  background: var(--orange);
  color: var(--black);
}

/* ── Modal ──────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay[hidden] { display: none; }

.modal {
  background: var(--grey);
  border: 1px solid var(--grey3);
  border-radius: 12px;
  width: 100%;
  max-width: 420px;
  padding: 2rem;
  position: relative;
  text-align: center;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: color 0.2s;
}

.modal-close:hover { color: var(--cream); }

.modal-header { margin-bottom: 1.5rem; }

.modal-header .logo {
  font-family: 'Archivo Black', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--orange);
  display: block;
  margin-bottom: 0.5rem;
}

.modal-header h2 {
  font-family: 'Archivo Black', sans-serif;
  font-size: 1.3rem;
  color: var(--cream);
  margin-bottom: 0.25rem;
}

.modal-header p { font-size: 0.85rem; color: var(--muted); }

/* Invoice */
.invoice-amount {
  margin-bottom: 1.25rem;
  min-height: 2.5rem;
}

.amount-sats {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--orange);
}

.amount-eur {
  font-size: 0.8rem;
  color: var(--muted);
}

.qr-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
  background: white;
  border-radius: 8px;
  padding: 1rem;
  width: fit-content;
  margin: 0 auto 1rem;
}

.invoice-str {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
  word-break: break-all;
}

.btn-copy {
  background: var(--grey2);
  border: 1px solid var(--grey3);
  border-radius: 5px;
  color: var(--text);
  font-size: 0.82rem;
  padding: 0.5rem 1.25rem;
  cursor: pointer;
  margin-bottom: 1.25rem;
  transition: border-color 0.2s;
  font-family: 'Space Grotesk', sans-serif;
}

.btn-copy:hover { border-color: var(--orange); color: var(--orange); }

.waiting-text {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.progress-bar {
  height: 3px;
  background: var(--grey3);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--orange);
  width: 0%;
  transition: width 3s linear;
}

/* Pago */
.paid-icon {
  font-size: 3rem;
  margin-bottom: 0.75rem;
  animation: pulse 1s ease-in-out;
}

@keyframes pulse {
  0%   { transform: scale(0.8); opacity: 0; }
  60%  { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}

#step-paid h3 {
  font-family: 'Archivo Black', sans-serif;
  font-size: 1.2rem;
  color: var(--cream);
  margin-bottom: 0.75rem;
}

#step-paid p {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.btn-download {
  display: block;
  background: var(--orange);
  color: var(--black);
  font-family: 'Archivo Black', sans-serif;
  font-size: 1rem;
  padding: 0.9rem;
  border-radius: 6px;
  text-decoration: none;
  margin-bottom: 0.75rem;
  transition: opacity 0.2s;
}

.btn-download:hover { opacity: 0.88; }

.dl-note {
  font-size: 0.72rem;
  color: var(--muted);
}

/* Erro */
.error-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }

#step-error p {
  font-size: 0.88rem;
  color: var(--text);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.btn-secondary {
  display: inline-block;
  background: none;
  border: 1px solid var(--grey3);
  border-radius: 6px;
  color: var(--muted);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  padding: 0.6rem 1.25rem;
  cursor: pointer;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}

.btn-secondary:hover { color: var(--cream); border-color: var(--cream); }

/* ── Selector de idioma ─────────────────────────────────────── */
.lang-switch {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--orange, #f7931a);
  text-decoration: none;
  padding: 5px 10px;
  border: 1px solid rgba(247,147,26,0.35);
  border-radius: 4px;
  background: rgba(247,147,26,0.06);
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.lang-switch:hover {
  background: rgba(247,147,26,0.14);
  border-color: rgba(247,147,26,0.6);
  color: var(--orange, #f7931a);
}