*,
*::before,
*::after { box-sizing: border-box; }

body { margin: 0; padding: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: #f4f4f4; }
header, footer { width: 100%; }

/* Evita forzar TODOS los img al 100% */
img { max-width: 100%; height: auto; display: block; }

main { min-height: 400px; padding: 20px 0; max-width: 1200px; margin: 0 auto; }
.recharge-container { max-width: 550px; margin: 0 auto 40px; background: #fff; border-radius: 8px; overflow: visible; }
.flow-title { text-align: center; color: #555; font-size: 32px; margin: 20px 0 30px; font-weight: 400; }
.tabs { display: flex; margin-bottom: 15px; position: relative; }
.tab { flex: 1; padding: 12px; text-align: center; cursor: pointer; font-weight: bold; font-size: 14px; display: flex; align-items: center; justify-content: center; gap: 10px; border-radius: 4px; }
.tab.active { background: #00A9E0; color: #fff; position: relative; box-shadow: 0 4px 10px rgba(0, 169, 224, 0.3); }
.tab.active::after { content: ''; position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%); border-left: 8px solid transparent; border-right: 8px solid transparent; border-top: 8px solid #00A9E0; }
.tab.inactive { background: #f8f8f8; color: #999; border: 1px solid #eee; }
.tab-icon { width: 20px; height: 20px; }
.step-content { padding: 15px 40px; }
.tab-desc { color: #666; font-size: 14px; margin-bottom: 20px; text-align: center; }
.tab-desc strong { color: #00A9E0; font-weight: bold; }
.input-group { margin-bottom: 20px; text-align: center; max-width: 400px; margin-left: auto; margin-right: auto; }
.input-group label { display: block; margin-bottom: 15px; color: #666; font-weight: bold; font-size: 15px; }
.input-wrapper { position: relative; border: 1px solid #999; border-radius: 8px; padding: 8px 15px; display: flex; align-items: center; width: 100%; transition: border-color 0.3s ease, box-shadow 0.3s ease; }
.input-wrapper.valid { border-color: #7ECA11 !important; box-shadow: 0 0 0 1px #7ECA11; }
.input-wrapper.invalid { border-color: #ff4d4d !important; box-shadow: 0 0 0 1px #ff4d4d; }
.input-wrapper.valid input { color: #2e7d32; }
.input-wrapper.invalid input { color: #d32f2f; }
.input-wrapper input { border: none; width: 100%; font-size: 18px; outline: none; color: #333; padding-top: 12px; }
.input-wrapper .label-floating { position: absolute; top: 4px; left: 15px; font-size: 10px; color: #999; text-transform: none; }
.input-icon { width: 20px; height: 20px; opacity: 0.6; }
.btn-primary { background: #7ECA11; color: #fff; border: none; padding: 12px 60px; border-radius: 25px; font-size: 16px; font-weight: bold; cursor: pointer; display: block; margin: 0 auto; width: fit-content; transition: background 0.3s; }
.btn-primary:hover { background: #6ab00e; }
.back-nav { display: flex; align-items: center; gap: 10px; color: #00A9E0; cursor: pointer; margin-bottom: 20px; font-size: 18px; }
.amount-list { display: flex; flex-direction: column; gap: 15px; margin-bottom: 30px; }
.amount-item { border: 1px solid #eee; padding: 20px; text-align: center; border-radius: 4px; font-size: 18px; font-weight: bold; color: #333; cursor: pointer; background: #fff; }
.amount-item.selected { border-color: #00A9E0; background: #eef9ff; }
.plan-card { border: 1px solid #00A9E0; border-radius: 8px; overflow: hidden; margin: 10px 0; cursor: pointer; }
.summary-box { background: #f9f9f9; padding: 15px; border-radius: 8px; margin-bottom: 20px; }
.summary-row { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 14px; }
.summary-row span:last-child { font-weight: bold; }
.step-header { font-size: 20px; color: #333; margin-bottom: 15px; padding: 0 20px; font-weight: 500; }
.payment-option { border: 1px solid #eee; padding: 15px; border-radius: 8px; display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; cursor: pointer; }
.payment-option .left { display: flex; align-items: center; gap: 15px; }
.payment-option .logo { width: 30px; height: 30px; }
.payment-details { font-size: 12px; color: #666; }
.card-form { margin-top: 20px; border-top: 1px solid #eee; padding-top: 20px; }
.card-visual { perspective: 1000px; margin-bottom: 30px; height: 200px; width: 100%; max-width: 350px; margin: 0 auto 30px; }
.card-inner { position: relative; width: 100%; height: 100%; text-align: left; transition: transform 0.6s; transform-style: preserve-3d; }
.card-visual.flipped .card-inner { transform: rotateY(180deg); }
.card-front, .card-back { position: absolute; width: 100%; height: 100%; -webkit-backface-visibility: hidden; backface-visibility: hidden; border-radius: 12px; padding: 20px; color: #fff; background: #102B3F; }
.card-back { transform: rotateY(180deg); padding: 0; }
.card-front .chip { width: 45px; height: 35px; background: linear-gradient(135deg, #FFD700 0%, #daa520 100%); border-radius: 6px; margin-bottom: 30px; }
.card-front .number-display { font-size: 20px; letter-spacing: 2px; margin-bottom: 25px; height: 24px; }
.card-front .bottom-info { display: flex; justify-content: space-between; align-items: flex-end; position: absolute; bottom: 55px; left: 20px; right: 20px; }
.card-front .name-display { font-size: 14px; text-transform: uppercase; max-width: 200px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.card-front .expiry-display { font-size: 14px; }
.card-front .brand-logo { position: absolute; bottom: 15px; right: 20px; width: 50px; transition: all 0.3s ease; }
.card-back .black-bar { background: #000; height: 40px; width: 100%; margin-top: 20px; }
.card-back .signature-bar { background: #fff; height: 35px; width: 80%; margin: 20px auto; display: flex; align-items: center; justify-content: flex-end; padding: 0 10px; color: #000; font-family: 'Courier New', Courier, monospace; font-style: italic; font-weight: bold; }
.card-back .cvv-display { background: #fff; color: #000; padding: 2px 8px; border-radius: 4px; }

#payment-loader { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(255, 255, 255, 0.95); display: none; flex-direction: column; align-items: center; justify-content: center; z-index: 10000; text-align: center; }
.loader-spinner { width: 80px; height: 80px; border: 6px solid #f3f3f3; border-top: 6px solid #00A9E0; border-radius: 50%; animation: spin 1s linear infinite; margin-bottom: 20px; }
.loader-logo { width: 120px; margin-bottom: 30px; }
.loader-text { color: #003366; font-size: 18px; font-weight: 500; margin-top: 10px; }
.loader-subtext { color: #666; font-size: 14px; margin-top: 5px; }

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

#payment-success { display: none; text-align: center; padding: 40px 20px; }
.success-icon { width: 80px; height: 80px; background: #7ECA11; color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 40px; margin: 0 auto 20px; }
.terms-section { text-align: center; padding: 40px 20px; color: #666; font-size: 14px; background: #fff; border-top: 1px solid #eee; }
.terms-section a { color: #00A9E0; text-decoration: none; }

#promo-modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.8); display: flex; align-items: center; justify-content: center; z-index: 20000; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
#promo-modal.active { opacity: 1; visibility: visible; }
.modal-content { position: relative; background: #fff; width: 80%; max-width: 400px; border-radius: 12px; overflow: hidden; box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4); transform: scale(0.8); transition: transform 0.3s ease; }
#promo-modal.active .modal-content { transform: scale(1); }
.modal-close { position: absolute; top: 10px; right: 10px; width: 30px; height: 30px; background: rgba(255, 255, 255, 0.9); border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 20px; font-weight: bold; color: #333; z-index: 10; box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2); }
.modal-image { width: 100%; height: auto; display: block; }

.post-form-content { width: min(1120px, calc(100% - 32px)); margin: 48px auto 36px; text-align: center; }
.post-form-header { background: linear-gradient(135deg, #fff 0%, #eef9ff 100%); border: 1px solid rgba(0, 169, 224, 0.18); border-radius: 16px; padding: 34px 28px; box-shadow: 0 18px 45px rgba(0, 64, 96, 0.08); }
.post-form-badge { display: inline-flex; align-items: center; justify-content: center; margin-bottom: 14px; padding: 7px 14px; background: #00A9E0; color: #fff; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.post-form-header h2 { max-width: 760px; margin: 0 auto 14px; color: #003366; font-size: clamp(26px, 4vw, 38px); line-height: 1.12; }
.post-form-header p { max-width: 760px; margin: 0 auto; color: #52616b; font-size: 16px; line-height: 1.75; }
.post-form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 24px 0; }
.post-card, .post-panel, .post-faq, .post-legal { background: #fff; border: 1px solid #e8eef2; border-radius: 14px; box-shadow: 0 12px 32px rgba(0, 0, 0, 0.05); }
.post-card { min-height: 195px; padding: 22px; display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: 10px; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.post-card:hover { transform: translateY(-4px); border-color: rgba(0, 169, 224, 0.45); box-shadow: 0 18px 40px rgba(0, 169, 224, 0.12); }
.post-card-icon { width: 40px; height: 40px; border-radius: 12px; background: #7ECA11; color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 800; }
.post-card h3, .post-panel h2, .post-faq h2, .post-legal h2 { color: #003366; margin: 0; }
.post-card h3 { font-size: 19px; }
.post-card p { margin: 0; color: #60717d; line-height: 1.6; }
.post-form-columns { display: grid; grid-template-columns: 1.4fr .95fr; gap: 20px; margin-bottom: 24px; text-align: left; }
.post-panel, .post-faq, .post-legal { padding: 28px; }
.post-steps { margin: 18px 0 0; padding-left: 22px; color: #44525c; line-height: 1.75; }
.post-steps li { margin-bottom: 10px; }
.post-benefits ul { list-style: none; margin: 18px 0 0; padding: 0; }
.post-benefits li { position: relative; margin-bottom: 14px; padding-left: 28px; color: #44525c; line-height: 1.55; }
.post-benefits li::before { content: ""; position: absolute; left: 0; top: .45em; width: 12px; height: 12px; border-radius: 50%; background: #7ECA11; box-shadow: 0 0 0 4px rgba(126, 202, 17, 0.14); }
.post-faq { margin-bottom: 24px; text-align: left; }
.post-faq h2, .post-legal h2 { text-align: center; margin-bottom: 18px; }
.post-faq-item summary::-webkit-details-marker { display: none; }

.hero-content { max-width: 800px; margin: 45px auto 35px; padding: 0 20px; text-align: center; }
.hero-content h1 { margin: 0; font-size: 42px; line-height: 1.15; font-weight: 800; letter-spacing: -1px; color: #003245; }
.hero-description { max-width: 650px; margin: 15px auto 0; color: #6b7280; font-size: 18px; line-height: 1.6; }

.info-strip { max-width: 900px; margin: 50px auto; display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; padding: 0 20px; }
.info-strip-item { background: #fff; border: 1px solid #e5e7eb; border-radius: 12px; padding: 14px 24px; box-shadow: 0 2px 10px rgba(0,0,0,.05); text-align: center; }

.faq-section { max-width: 900px; margin: 40px auto 60px; padding: 0 20px; }
.faq-section h2 { text-align: center; margin-bottom: 25px; font-size: 30px; font-weight: 700; color: #003245; }
.faq-section details { background: #fff; border: 1px solid #e5e7eb; border-radius: 12px; padding: 18px; margin-bottom: 12px; box-shadow: 0 2px 10px rgba(0,0,0,.04); }
.faq-section summary { cursor: pointer; font-weight: 600; color: #1f2937; }
.faq-section p { margin-top: 12px; line-height: 1.6; color: #6b7280; }

/* ===== Breadcrumb / Jerarquía ===== */
.breadcrumb {
  max-width: 1200px;
  margin: 14px auto 6px;
  padding: 0 20px;
  font-size: 14px;
}
.breadcrumb ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: #6b7280;
  word-break: break-word;
}
.breadcrumb li { display: inline-flex; align-items: center; line-height: 1.4; }
.breadcrumb li + li::before { content: ">"; margin-right: 8px; color: #9ca3af; font-weight: 600; }
.breadcrumb a { color: #00A9E0; text-decoration: none; transition: color .2s ease; }
.breadcrumb a:hover { color: #0086b3; text-decoration: underline; }
.breadcrumb [aria-current="page"] { color: #374151; font-weight: 700; }

@media screen and (max-width: 768px) {
  .recharge-container { margin: 0; border-radius: 0; box-shadow: none; max-width: 520px; }
  .flow-title { font-size: 22px; margin: 20px 0; }

  .post-form-content { width: calc(100% - 24px); margin-top: 34px; }
  .post-form-header, .post-panel, .post-faq, .post-legal { padding: 22px; border-radius: 12px; }
  .post-form-grid, .post-form-columns, .post-legal-links { grid-template-columns: 1fr; }
  .post-card { min-height: auto; }
  .post-form-columns { text-align: left; }

  .hero-content { margin: 25px auto 25px; }
  .hero-content h1 { font-size: 30px; line-height: 1.2; }
  .hero-description { font-size: 16px; }

  .info-strip { gap: 10px; }
  .info-strip-item { width: 100%; }

  .faq-section h2 { font-size: 24px; }

  .breadcrumb { font-size: 13px; margin: 10px auto 4px; padding: 0 14px; }
  .breadcrumb ol { row-gap: 4px; }
}


/* ===== FIX BOTÓN CONTINUAR (estable en layout) ===== */
.step-content .btn-primary {
  display: block;
  width: 100%;
  max-width: 320px;
  min-height: 48px;
  margin: 24px auto 0;
  padding: 0 24px;
  line-height: 48px;
  text-align: center;
  white-space: nowrap;
}

.step-content .btn-primary.is-loading {
  pointer-events: none;
  opacity: .9;
}
@media screen and (max-width: 480px) {
  .step-content .btn-primary {
    max-width: 100%;
    font-size: 15px;
    padding: 0 16px;
  }
}

@media screen and (max-width: 360px) {
  .step-content { padding: 12px 14px; }
}