/* --------------------------------------------------
   GLOBAL PALETTE
-------------------------------------------------- */
:root {
  --bg: #0a0014;
  --bg-alt: #140026;
  --text: #fdf4ff;
  --muted: #caa8ff;
  --accent: #ff2df5;
  --accent2: #4df3ff;
  --accent3: #ffb32d;
  --border: rgba(255,255,255,0.15);
  --max-width: 1100px;
}

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

body {
  background: radial-gradient(circle at top, #1b0033 0, #05000a 55%, #000 100%);
  color: var(--text);
  font-family: system-ui, sans-serif;
  overflow-x: hidden;
}

/* --------------------------------------------------
   NAV
-------------------------------------------------- */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 16px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(16px);
  background: rgba(5,0,20,0.85);
  z-index: 50;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 0 25px rgba(0,0,0,0.8);
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

nav a:hover {
  color: var(--accent2);
}

.nav-left { display: flex; align-items: center; gap: 26px; }
.nav-right { display: flex; align-items: center; gap: 20px; }

/* --------------------------------------------------
   CHECKOUT PAGE
-------------------------------------------------- */
.checkout-wrapper {
  max-width: var(--max-width);
  margin: 140px auto 80px;
  padding: 0 20px;
}

.checkout-wrapper h1 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.checkout-wrapper p {
  text-align: center;
  color: var(--muted);
  margin-bottom: 40px;
}

.checkout-grid {
  display: grid;
  gap: 30px;
  grid-template-columns: 2fr 1fr;
}

.checkout-block {
  background: radial-gradient(circle at top, #1b0033, #05000a);
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 20px;
  box-shadow: 0 0 20px rgba(0,0,0,0.7);
}

.checkout-block h3 {
  margin-bottom: 15px;
  font-size: 20px;
}

.checkout-block label {
  display: block;
  margin-top: 12px;
  margin-bottom: 4px;
  font-size: 13px;
  color: var(--muted);
}

.checkout-block input {
  width: 100%;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #0f001f;
  color: var(--text);
  margin-bottom: 6px;
}

.payment-method label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
}

.payment-card label {
  margin-top: 12px;
}

.payment-card input {
  margin-bottom: 10px;
}

.checkout-summary {
  margin-top: 10px;
  border-radius: 8px;
  padding: 10px;
  background: #0f001f;
  border: 1px solid var(--border);
}

.checkout-summary-item {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.checkout-summary-item:last-child {
  border-bottom: none;
}

.checkout-total {
  margin-top: 20px;
  font-size: 18px;
  text-align: right;
  color: var(--accent3);
}

.checkout-remove {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 20px;
  cursor: pointer;
  padding: 0 6px;
  transition: 0.2s ease;
}

.checkout-remove:hover {
  color: var(--accent2);
  transform: scale(1.2);
}

/* --------------------------------------------------
   BUTTONS
-------------------------------------------------- */
.btn-primary {
  display: inline-block;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #0a0014;
  border-radius: 8px;
  text-decoration: none;
  letter-spacing: 0.1em;
  font-weight: 600;
  box-shadow: 0 0 20px var(--accent2), 0 0 40px var(--accent);
  transition: 0.2s ease;
  text-transform: uppercase;
  cursor: pointer;
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 0 30px var(--accent2), 0 0 60px var(--accent);
}

/* --------------------------------------------------
   FOOTER
-------------------------------------------------- */
footer {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: 80px;
  font-size: 13px;
}