/* =========================================================
   DONACIONES — Sistema de Donaciones (info / métodos de pago /
   calculadora / proceso) + modal de detalles de pago.
   Mismo lenguaje que info.css: hairlines finas, título con
   líneas doradas a los costados, sin paneles ni cajas de
   fondo relleno.
   Requiere las variables de :root definidas en style.min.css
   (--gold, --gold-light, --gold-dark, --brown, --gold-glow).
   ========================================================= */

.donation-section {
  background: #000;
  padding: 80px 0;
}

/* ---------- encabezado (centrado, igual que info-basica) ---------- */

.donation-header {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 48px;
  text-align: center;
}

.donation-eyebrow {
  color: var(--gold);
  font-family: Cinzel, serif;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: 5px;
  text-transform: uppercase;
}

.donation-title-row {
  align-items: center;
  display: flex;
  gap: 20px;
  justify-content: center;
  width: 100%;
}

.donation-title-row:before,
.donation-title-row:after {
  background: linear-gradient(90deg, transparent, var(--gold-glow));
  content: "";
  height: 1px;
  max-width: 100px;
  width: 100%;
}

.donation-title-row:after {
  background: linear-gradient(270deg, transparent, var(--gold-glow));
}

.donation-title {
  color: #f8f9fa;
  font-family: Cinzel, serif;
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: 5px;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---------- tabs: subrayado, sin relleno (como .navbar .nav-link) ---------- */

.donation-tabs {
  border-bottom: 1px solid rgba(221, 171, 94, .15);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 36px;
  justify-content: center;
  margin-bottom: 48px;
}

.donation-tab {
  background: transparent;
  border: none;
  color: #8b95a5;
  cursor: pointer;
  font-family: Cinzel, serif;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 14px 2px;
  position: relative;
  text-transform: uppercase;
  transition: color .25s ease;
}

.donation-tab:after {
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  bottom: -1px;
  box-shadow: 0 0 8px var(--gold-glow);
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  right: 0;
  transform: scaleX(0);
  transition: transform .25s ease;
}

.donation-tab:hover {
  color: var(--gold-light);
}

.donation-tab.active {
  color: var(--gold-light);
}

.donation-tab.active:after {
  transform: scaleX(1);
}

.donation-tab-content {
  display: none;
}

.donation-tab-content.active {
  animation: donationFadeIn .45s ease-out;
  display: block;
}

@keyframes donationFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- tab: información — fila con hairlines, igual que .info-basica-row ---------- */

.donation-stats-row {
  border-bottom: 1px solid rgba(221, 171, 94, .15);
  border-top: 1px solid rgba(221, 171, 94, .15);
  display: flex;
  flex-wrap: wrap;
}

.donation-stat {
  display: flex;
  flex: 1 1 0;
  flex-direction: column;
  gap: 12px;
  min-height: 150px;
  padding: 30px 28px;
  position: relative;
}

.donation-stat:not(:first-child):before {
  background: hsla(0, 0%, 100%, .08);
  bottom: 20px;
  content: "";
  left: 0;
  position: absolute;
  top: 20px;
  width: 1px;
}

.donation-stat > i {
  color: var(--gold);
  font-size: 1.3rem;
}

.donation-stat h4 {
  color: #fff;
  font-family: Cinzel, serif;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: .5px;
  text-transform: uppercase;
}

.donation-stat p {
  color: #8b95a5;
  font-size: .84rem;
  line-height: 1.7;
}

/* ---------- tab: métodos de pago — lista con hairlines, igual que .lib-row / .info-row ---------- */

.payment-list {
  border-top: 1px solid rgba(221, 171, 94, .15);
}

.payment-row {
  align-items: center;
  border-bottom: 1px solid rgba(221, 171, 94, .15);
  cursor: pointer;
  display: flex;
  gap: 18px;
  padding: 20px 4px;
  transition: padding-inline .25s ease, background .25s ease;
}

.payment-row:hover {
  background: rgba(221, 171, 94, .04);
  padding-inline: 16px;
}

.payment-row-icon {
  color: var(--gold);
  flex-shrink: 0;
  font-size: 1.2rem;
  text-align: center;
  transition: transform .25s ease;
  width: 26px;
}

.payment-row:hover .payment-row-icon {
  transform: scale(1.1);
}

.payment-row-info {
  flex: 1 1 auto;
  min-width: 0;
}

.payment-row-info h4 {
  color: #fff;
  font-family: Cinzel, serif;
  font-size: .92rem;
  font-weight: 800;
  letter-spacing: .5px;
  text-transform: uppercase;
}

.payment-row-info p {
  color: #8b95a5;
  font-size: .82rem;
  line-height: 1.5;
  margin-top: 4px;
}

.payment-bonus,
.payment-fee,
.payment-warning {
  border-radius: 20px;
  flex-shrink: 0;
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 5px 12px;
  text-transform: uppercase;
  white-space: nowrap;
}

.payment-bonus {
  background: rgba(221, 171, 94, .12);
  border: 1px solid var(--gold);
  color: var(--gold-light);
}

.payment-fee {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .12);
  color: #8b95a5;
}

.payment-warning {
  background: transparent;
  border: 1px solid rgba(216, 76, 76, .4);
  color: #e08a8a;
}

.payment-row-arrow {
  color: #555;
  flex-shrink: 0;
  font-size: .75rem;
  transition: transform .25s ease, color .25s ease;
}

.payment-row:hover .payment-row-arrow {
  color: var(--gold);
  transform: translateX(4px);
}

/* ---------- tab: calculadora — sin caja, separada por hairlines ---------- */

.calculator-wrap {
  border-top: 1px solid rgba(221, 171, 94, .15);
  margin: 0 auto;
  max-width: 560px;
  padding-top: 44px;
}

.calculator-header {
  margin-bottom: 30px;
  text-align: center;
}

.calculator-header i {
  color: var(--gold);
  font-size: 1.6rem;
}

.calculator-header h4 {
  color: #fff;
  font-family: Cinzel, serif;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 1px;
  margin: 12px 0 8px;
  text-transform: uppercase;
}

.calculator-header p {
  color: #8b95a5;
  font-size: .85rem;
}

.calculator-form .form-group {
  margin-bottom: 20px;
}

.calculator-form label {
  color: var(--gold);
  display: block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.btn-calculate {
  align-items: center;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  border: 1px solid var(--gold);
  clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
  color: #1a1400;
  cursor: pointer;
  display: flex;
  font-family: Cinzel, serif;
  font-size: .85rem;
  font-weight: 700;
  gap: 10px;
  justify-content: center;
  letter-spacing: 1.6px;
  padding: 15px;
  text-transform: uppercase;
  transition: .25s ease;
  width: 100%;
}

.btn-calculate:hover {
  box-shadow: 0 0 0 2px rgba(221, 171, 94, .18), 0 0 24px var(--gold-glow);
  letter-spacing: 2px;
  transform: translateY(-2px);
}

.calculator-result {
  border-top: 1px solid rgba(221, 171, 94, .15);
  margin-top: 34px;
  padding-top: 30px;
  text-align: center;
}

.result-icon i {
  color: var(--gold);
  filter: drop-shadow(0 0 10px var(--gold-glow));
  font-size: 1.8rem;
}

.result-amount {
  background: linear-gradient(180deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: Cinzel, serif;
  font-size: 2.3rem;
  font-weight: 900;
  margin: 10px 0;
  text-shadow: 0 0 20px var(--gold-glow);
}

.result-text {
  color: #a0aec0;
  font-size: .9rem;
  line-height: 1.5;
}

.exchange-rates {
  border-top: 1px solid rgba(221, 171, 94, .15);
  margin-top: 30px;
  padding-top: 24px;
  text-align: center;
}

.exchange-rates h5 {
  color: #fff;
  font-family: Cinzel, serif;
  font-size: .85rem;
  letter-spacing: 1px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.exchange-rates h5 i {
  color: var(--gold);
  margin-right: 8px;
}

.rates-grid {
  color: #8b95a5;
  display: flex;
  flex-wrap: wrap;
  font-size: .8rem;
  gap: 10px 26px;
  justify-content: center;
}

.rates-grid strong {
  color: var(--gold-light);
}

/* ---------- tab: proceso — número en contorno, sin relleno ---------- */

.process-steps {
  display: flex;
  flex-direction: column;
}

.step-card {
  border-bottom: 1px solid rgba(221, 171, 94, .15);
  display: flex;
  gap: 22px;
  padding: 24px 0;
}

.step-card:last-child {
  border-bottom: none;
}

.step-number {
  align-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold-light);
  display: flex;
  flex-shrink: 0;
  font-family: Cinzel, serif;
  font-size: 1.15rem;
  font-weight: 900;
  height: 44px;
  justify-content: center;
  width: 44px;
}

.step-content h4 {
  color: #fff;
  font-family: Cinzel, serif;
  font-size: 1rem;
  letter-spacing: .5px;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.step-content h4 i {
  color: var(--gold);
  margin-right: 8px;
}

.step-content p {
  color: #a0aec0;
  font-size: .88rem;
  line-height: 1.55;
}

.important-notice {
  background: rgba(221, 171, 94, .05);
  border-left: 4px solid var(--gold);
  border-radius: 4px;
  display: flex;
  gap: 18px;
  margin-top: 34px;
  padding: 24px;
}

.important-notice > i {
  color: var(--gold);
  font-size: 1.5rem;
}

.important-notice h5 {
  color: #fff;
  font-family: Cinzel, serif;
  letter-spacing: .5px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.important-notice ul {
  color: #a0aec0;
  font-size: .85rem;
  line-height: 1.85;
  padding-left: 20px;
}

.important-notice li strong {
  color: var(--gold-light);
}

/* ---------- modal de detalles de pago (overlay: necesita fondo sólido) ---------- */

.payment-modal {
  align-items: center;
  background: rgba(0, 0, 0, .85);
  backdrop-filter: blur(6px);
  display: none;
  inset: 0;
  justify-content: center;
  padding: 20px;
  position: fixed;
  z-index: 9999;
}

.payment-modal-content {
  background: #0a0a0a;
  border: 1px solid rgba(221, 171, 94, .25);
  border-radius: 14px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, .6);
  max-height: 85vh;
  max-width: 520px;
  overflow-y: auto;
  padding: 36px;
  position: relative;
  width: 100%;
}

.payment-modal-close {
  color: #8b95a5;
  cursor: pointer;
  font-size: 1.6rem;
  line-height: 1;
  position: absolute;
  right: 20px;
  top: 16px;
  transition: .2s ease;
}

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

.modal-header {
  align-items: center;
  border-bottom: 1px solid rgba(221, 171, 94, .15);
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 20px;
}

.modal-header i {
  color: var(--gold);
  font-size: 1.8rem;
}

.modal-header h3 {
  color: #fff;
  flex: 1;
  font-family: Cinzel, serif;
  font-size: 1.15rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.modal-bonus {
  background: rgba(221, 171, 94, .12);
  border: 1px solid var(--gold);
  border-radius: 20px;
  color: var(--gold-light);
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 5px 12px;
  white-space: nowrap;
}

.modal-description {
  color: #a0aec0;
  font-size: .9rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.detail-row {
  align-items: center;
  border-bottom: 1px solid hsla(0, 0%, 100%, .05);
  display: flex;
  gap: 10px;
  justify-content: space-between;
  padding: 12px 0;
}

.detail-row.highlight {
  background: rgba(221, 171, 94, .06);
  border-bottom: none;
  border-radius: 8px;
  padding: 12px 14px;
}

.detail-label {
  color: #8b95a5;
  font-size: .75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.detail-value {
  color: #fff;
  font-size: .9rem;
  font-weight: 700;
  text-align: right;
  word-break: break-word;
}

.detail-value.link {
  color: var(--gold-light);
  text-decoration: none;
}

.detail-value.link:hover {
  text-decoration: underline;
}

.btn-copy {
  background: transparent;
  border: 1px solid rgba(221, 171, 94, .4);
  border-radius: 4px;
  color: var(--gold);
  cursor: pointer;
  margin-left: 8px;
  padding: 4px 8px;
  transition: .2s ease;
}

.btn-copy:hover {
  background: var(--gold);
  color: #1a1400;
}

.modal-warning {
  background: rgba(216, 76, 76, .08);
  border-left: 3px solid #d84c4c;
  border-radius: 4px;
  color: #e08a8a;
  font-size: .82rem;
  margin-top: 16px;
  padding: 12px 16px;
}

.modal-note {
  background: rgba(221, 171, 94, .06);
  border-left: 3px solid var(--gold);
  border-radius: 4px;
  color: #c2c8d4;
  font-size: .82rem;
  margin-top: 16px;
  padding: 12px 16px;
}

/* ---------- responsive ---------- */

@media (max-width: 767px) {
  .donation-section {
    padding: 56px 0;
  }

  .donation-stats-row {
    flex-wrap: wrap;
  }

  .donation-stat {
    flex: 1 1 50%;
    min-height: 130px;
    padding: 22px 16px;
  }

  .donation-stat:nth-child(odd):before {
    display: none;
  }
}

@media (max-width: 576px) {
  .donation-title {
    font-size: 1.5rem;
    letter-spacing: 3px;
  }

  .donation-title-row {
    gap: 12px;
  }

  .donation-title-row:before,
  .donation-title-row:after {
    max-width: 36px;
  }

  .donation-tabs {
    gap: 8px 20px;
  }

  .donation-tab {
    font-size: .68rem;
  }

  .donation-stat {
    flex: 1 1 100%;
  }

  .donation-stat:before {
    display: none;
  }

  .payment-row {
    flex-wrap: wrap;
  }

  .payment-row-arrow {
    display: none;
  }

  .payment-modal-content {
    padding: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .donation-tab-content.active {
    animation: none;
  }

  .payment-row,
  .payment-row-icon,
  .payment-row-arrow {
    transition: none;
  }
}