/* components.css – glass buttons, cards, modal – Venetra */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--radius-sm);
  transition: background var(--duration) var(--ease), color var(--duration) var(--ease), transform var(--duration) var(--ease-spring), box-shadow var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn svg {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
  transition: transform var(--duration) var(--ease);
}

.btn:hover svg {
  transform: translateX(2px);
}

.btn-primary {
  background: var(--gradient-btn);
  color: #fff;
  border: 1px solid rgba(66, 135, 245, 0.5);
  box-shadow: 0 4px 20px rgba(66, 135, 245, 0.3);
}

.btn-primary:hover {
  background: var(--gradient-btn-hover);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 36px var(--accent-glow);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.98);
  box-shadow: 0 6px 20px rgba(66, 135, 245, 0.35);
}

.btn-secondary {
  background: var(--glass-bg-strong);
  color: var(--text);
  border: 1px solid var(--glass-border);
  backdrop-filter: saturate(var(--saturate)) blur(var(--blur));
  -webkit-backdrop-filter: saturate(var(--saturate)) blur(var(--blur));
}

.btn-secondary:hover {
  background: var(--glass-bg);
  border-color: var(--glass-border-strong);
  transform: translateY(-2px) scale(1.01);
  color: var(--text);
}

.btn-secondary:active {
  transform: translateY(0) scale(0.98);
}

/* ----- Section header ----- */
.section-head {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-head .badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: linear-gradient(135deg, rgba(66, 135, 245, 0.2) 0%, rgba(79, 214, 255, 0.14) 100%);
  border: 1px solid rgba(66, 135, 245, 0.4);
  border-radius: var(--radius-pill);
  margin-bottom: 1rem;
  backdrop-filter: blur(var(--blur));
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin-inline: auto;
}

/* ----- Cards – glass ----- */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  backdrop-filter: saturate(var(--saturate)) blur(var(--blur));
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.card:hover {
  border-color: var(--glass-border-strong);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
  transform: translateY(-2px);
}

/* ----- Modal – glass ----- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-slow) var(--ease), visibility var(--duration-slow) var(--ease);
}

.modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  position: relative;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-lg);
  backdrop-filter: saturate(var(--saturate)) blur(var(--blur-strong));
  -webkit-backdrop-filter: saturate(var(--saturate)) blur(var(--blur-strong));
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(66, 135, 245, 0.1);
  overflow: hidden;
  transform: scale(0.92) translateY(20px);
  transition: transform var(--duration-slow) var(--ease-out);
}

.modal-overlay.is-open .modal-box {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: color var(--duration) var(--ease), background var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.modal-close:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.08);
}

.modal-close svg {
  width: 22px;
  height: 22px;
}

.modal-iframe-wrap {
  width: 100%;
  margin-top: 0.5rem;
}

.modal-iframe {
  width: 100%;
  height: 70vh;
  min-height: 400px;
  border: none;
  display: block;
  border-radius: var(--radius-sm);
  background: var(--bg);
}

/* ----- Checkout steps ----- */
.checkout-step {
  padding: 2rem 1.75rem;
  display: none;
}

.checkout-step[aria-hidden="false"] {
  display: block;
}

.checkout-step-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.5rem;
  text-align: center;
}

.checkout-methods {
  display: grid;
  gap: 0.75rem;
}

.checkout-method-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 1rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  background: var(--glass-widget);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  backdrop-filter: saturate(var(--saturate)) blur(var(--blur));
  -webkit-backdrop-filter: saturate(var(--saturate)) blur(var(--blur));
  cursor: pointer;
  transition: border-color var(--duration) var(--ease), background var(--duration) var(--ease), transform var(--duration) var(--ease), color var(--duration) var(--ease);
}

.checkout-method-btn:hover {
  border-color: var(--glass-border-strong);
  background: var(--glass-bg);
  color: var(--accent);
  transform: translateY(-2px);
}

.checkout-method-btn i {
  font-size: 1.1rem;
  opacity: 0.9;
}

.checkout-method-vip-only {
  display: none;
}

.checkout-method-vip-only.is-visible {
  display: flex;
}

.modal-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--duration) var(--ease);
}

.modal-back:hover {
  color: var(--accent);
}

.modal-box-checkout .checkout-step-iframe {
  padding: 1.5rem 1.75rem 1.75rem;
}

/* Binance Pay step */
.checkout-step-binance .checkout-step-title {
  margin-bottom: 0.5rem;
}
.checkout-binance-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  text-align: center;
  line-height: 1.5;
}
.checkout-binance-box {
  background: var(--glass-widget);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.5rem;
  backdrop-filter: saturate(var(--saturate)) blur(var(--blur));
}
.checkout-binance-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}
.checkout-binance-amount,
.checkout-binance-id {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.25rem;
  word-break: break-all;
}
.checkout-binance-id {
  font-family: ui-monospace, monospace;
}
.checkout-binance-qr-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  margin-top: 0.25rem;
}
.checkout-binance-qr {
  text-align: center;
  margin-bottom: 2rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
}
.checkout-binance-qr-img {
  display: block;
  margin: 0 auto;
  width: 160px;
  height: 160px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: #fff;
}
.checkout-binance-steps {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
  padding-left: 1.35rem;
  list-style: decimal;
}
.checkout-binance-steps li {
  margin-bottom: 0.5rem;
}
.checkout-binance-done {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 0.75rem;
  padding: 0.875rem 1.25rem;
}