/* ══════════════════════════════════════════
   NEXORA CHECKOUT — checkout.css
   Extends style.css — do not modify style.css
══════════════════════════════════════════ */

/* ── HERO ── */
.co-hero {
  position: relative;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a0505 55%, #0d0d0d 100%);
  padding: 110px 0 48px;
  overflow: hidden;
  text-align: center;
}
.co-hero-bg { position: absolute; inset: 0; pointer-events: none; }
.co-hero-glow {
  position: absolute;
  top: -10%; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 380px;
  background: radial-gradient(ellipse, rgba(229,57,53,0.2), transparent 70%);
}
.co-hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 40%, transparent 100%);
}
.co-hero-inner { position: relative; z-index: 1; }

.co-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 22px;
}
.co-step {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.4);
}
.co-step.done { color: rgba(255,255,255,0.7); }
.co-step.done i { color: var(--success); }
.co-step.active { color: #fff; }
.co-step.active i { color: var(--red); }
.co-step-sep { font-size: 0.6rem; color: rgba(255,255,255,0.25); }

.co-hero-title {
  font-size: 2.6rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 12px;
}
.co-hero-sub {
  font-size: 0.98rem;
  color: rgba(255,255,255,0.55);
  max-width: 560px;
  margin: 0 auto 26px;
  line-height: 1.6;
}
.co-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
}
.co-trust-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
}
.co-trust-item i { color: var(--red); font-size: 0.85rem; }

/* ── LAYOUT ── */
.co-main { background: var(--bg); }
.co-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 28px;
  align-items: start;
}
.co-left { display: flex; flex-direction: column; gap: 20px; }

/* ── CARDS ── */
.co-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}
.co-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.co-card-icon {
  width: 40px; height: 40px;
  border-radius: 11px;
  background: var(--red);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.co-card-title { font-size: 1.1rem; font-weight: 800; color: var(--dark); }

/* ── FORMS ── */
.co-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.co-group { display: flex; flex-direction: column; gap: 6px; }
.co-full { grid-column: 1 / -1; }
.co-label { font-size: 0.8rem; font-weight: 600; color: var(--dark); }
.co-input, .co-select {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-size: 0.87rem;
  font-family: var(--font);
  color: var(--dark);
  background: #fff;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}
.co-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
  cursor: pointer;
}
.co-input:focus, .co-select:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(229,57,53,0.08);
}
.co-input::placeholder { color: #aaa; }

.co-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--dark);
  cursor: pointer;
  margin-bottom: 18px;
  line-height: 1.5;
}
.co-checkbox input { accent-color: var(--red); width: 16px; height: 16px; margin-top: 2px; cursor: pointer; flex-shrink: 0; }
.co-account-fields { transition: opacity .25s, max-height .3s; }
.co-account-fields.hidden { display: none; }

/* ── PAYMENT METHODS ── */
.co-pay-methods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}
.co-pay-method {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 18px 12px;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--dark);
  transition: all .2s;
}
.co-pay-method i { font-size: 1.4rem; color: var(--gray); transition: color .2s; }
.co-pay-method:hover { border-color: rgba(229,57,53,0.4); }
.co-pay-method.active { border-color: var(--red); background: rgba(229,57,53,0.04); }
.co-pay-method.active i { color: var(--red); }

.co-pay-panel { animation: coFade .3s ease; }
@keyframes coFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.co-paypal-box {
  text-align: center;
  padding: 30px 20px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}
.co-paypal-box i { font-size: 2.4rem; color: #0070ba; margin-bottom: 12px; }
.co-paypal-box p { font-size: 0.85rem; color: var(--gray); }

/* CRYPTO */
.co-crypto-coins {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}
.co-coin {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 10px;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--dark);
  transition: all .2s;
}
.co-coin:hover { border-color: rgba(229,57,53,0.4); }
.co-coin.active { border-color: var(--red); background: rgba(229,57,53,0.04); }
.co-coin-sym {
  width: 22px; height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: #fff;
  font-weight: 700;
}
.usdt-c { background: #26a17b; }
.btc-c { background: #f7931a; }
.eth-c { background: #627eea; }

.co-crypto-wallet { display: flex; flex-direction: column; gap: 8px; }
.co-wallet-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.co-wallet-box code {
  font-size: 0.85rem;
  color: var(--dark);
  font-family: 'Courier New', monospace;
  word-break: break-all;
}
.co-copy-btn {
  background: var(--red);
  color: #fff;
  border: none;
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: background .2s;
}
.co-copy-btn:hover { background: var(--red-dark); }
.co-crypto-note { font-size: 0.76rem; color: var(--gray); line-height: 1.5; }
.co-crypto-note i { color: var(--red); margin-right: 4px; }

/* ── ORDER SUMMARY ── */
.co-right { position: sticky; top: 84px; }
.co-summary {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-md);
}
.co-summary-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.co-order-item { display: flex; gap: 14px; margin-bottom: 20px; }
.co-order-img {
  width: 80px; height: 80px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #0d1f0d, #082008);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.co-order-img-name { font-size: 0.85rem; font-weight: 900; color: #fff; text-align: center; line-height: 1.1; }
.co-order-img-name span { color: var(--success); font-size: 0.7rem; }
.co-order-info { flex: 1; }
.co-order-name { font-size: 0.95rem; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.co-order-seller { font-size: 0.78rem; color: var(--gray); margin-bottom: 8px; }
.verified-tick { color: var(--red); font-size: 0.72rem; }
.co-order-tags { display: flex; gap: 5px; flex-wrap: wrap; }
.co-tag {
  font-size: 0.64rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--bg);
  color: var(--gray);
  border: 1px solid var(--border);
}

/* COUPON */
.co-coupon {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}
.co-coupon-input {
  flex: 1;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.83rem;
  font-family: var(--font);
  color: var(--dark);
  outline: none;
  transition: border-color .2s;
}
.co-coupon-input:focus { border-color: var(--red); }
.co-coupon-input::placeholder { color: #aaa; }
.co-coupon-btn {
  background: var(--dark);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.83rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: background .2s;
}
.co-coupon-btn:hover { background: #000; }
.co-coupon-msg { font-size: 0.78rem; font-weight: 600; min-height: 16px; margin-bottom: 14px; }
.co-coupon-msg.success { color: var(--success); }
.co-coupon-msg.error { color: var(--red); }

/* PRICING */
.co-pricing {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}
.co-price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.87rem;
  color: var(--gray);
}
.co-price-row span:last-child { color: var(--dark); font-weight: 600; }
.co-price-row .green { color: var(--success); }
.co-total-row {
  padding-top: 12px;
  border-top: 1px dashed var(--border);
  margin-top: 4px;
}
.co-total-row span { font-size: 1.2rem; font-weight: 800; color: var(--dark) !important; }

/* ORDER REVIEW */
.co-review {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}
.co-review-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.78rem;
  color: var(--dark);
  font-weight: 500;
}
.co-review-item i { color: var(--success); font-size: 0.8rem; }

/* PURCHASE BUTTON */
.co-purchase-btn {
  width: 100%;
  justify-content: center;
  padding: 15px;
  font-size: 1rem;
  position: relative;
}
.co-purchase-btn.loading { pointer-events: none; opacity: 0.85; }
.co-btn-spinner { display: none; align-items: center; gap: 8px; }
.co-purchase-btn.loading .co-btn-text { display: none; }
.co-purchase-btn.loading .co-btn-spinner { display: inline-flex; }

.co-secure-line {
  text-align: center;
  font-size: 0.74rem;
  color: var(--gray);
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.co-secure-line i { color: var(--success); }

/* ── SECURITY SECTION ── */
.co-security { background: #fff; }
.co-security-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.co-sec-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 18px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all .25s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.co-sec-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: rgba(229,57,53,0.2); }
.co-sec-icon {
  width: 50px; height: 50px;
  border-radius: 14px;
  background: rgba(229,57,53,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--red);
  transition: all .25s;
}
.co-sec-card:hover .co-sec-icon { background: var(--red); color: #fff; transform: rotate(-6deg) scale(1.05); }
.co-sec-card h3 { font-size: 0.9rem; font-weight: 700; color: var(--dark); }
.co-sec-card p { font-size: 0.78rem; color: var(--gray); line-height: 1.5; }

/* ── ANIMATIONS ── */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .5s ease, transform .5s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── OVERLAY (processing) ── */
.co-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,5,5,0.85);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 3000;
}
.co-overlay.show { display: flex; animation: coFade .3s ease; }
.co-overlay-box {
  text-align: center;
  color: #fff;
}
.co-overlay-spinner {
  width: 60px; height: 60px;
  border: 4px solid rgba(229,57,53,0.2);
  border-top-color: var(--red);
  border-radius: 50%;
  margin: 0 auto 20px;
  animation: coSpin 0.8s linear infinite;
}
@keyframes coSpin { to { transform: rotate(360deg); } }
.co-overlay-box h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 6px; }
.co-overlay-box p { font-size: 0.85rem; color: rgba(255,255,255,0.6); }

/* ── RESPONSIVE ── */
@media(max-width:1100px) {
  .co-security-grid { grid-template-columns: repeat(3, 1fr); }
}
@media(max-width:900px) {
  .co-layout { grid-template-columns: 1fr; }
  .co-right { position: relative; top: 0; }
}
@media(max-width:768px) {
  .co-hero-title { font-size: 2rem; }
  .co-hero { padding: 100px 0 44px; }
  .co-trust { gap: 14px; }
  .co-form-grid { grid-template-columns: 1fr; }
  .co-full { grid-column: 1; }
  .co-pay-methods { grid-template-columns: 1fr; }
  .co-crypto-coins { grid-template-columns: 1fr; }
  .co-review { grid-template-columns: 1fr; }
  .co-security-grid { grid-template-columns: 1fr 1fr; }
}
@media(max-width:480px) {
  .co-hero-title { font-size: 1.7rem; }
  .co-steps { gap: 8px; }
  .co-step span { font-size: 0.72rem; }
  .co-security-grid { grid-template-columns: 1fr; }
}