/* ═══════════════════════════════════════════════════════════════════════
   GOLD HUB — PREMIUM POLISH (main website overlay)
   Loaded LAST after style.css. Refines depth, motion, micro-states.
   ═══════════════════════════════════════════════════════════════════════ */

:root {
  --site-gold-50:  #FFF5D1;
  --site-gold-100: #FFE79A;
  --site-gold-300: #F8CE6A;
  --site-gold-500: #F0C040;
  --site-gold-700: #C99A22;

  --site-bg-0: #08070D;
  --site-bg-1: #0E0C16;
  --site-bg-2: #15121F;

  --site-line:        rgba(255,255,255,0.06);
  --site-line-strong: rgba(255,255,255,0.12);
  --site-line-gold:   rgba(240,192,64,0.30);

  --site-shadow-md:
    0 2px 4px rgba(0,0,0,.20),
    0 8px 18px rgba(0,0,0,.30);
  --site-shadow-lg:
    0 4px 8px rgba(0,0,0,.25),
    0 18px 40px rgba(0,0,0,.40);
  --site-shadow-gold:
    0 8px 28px rgba(240,192,64,.30),
    0 1px 0 rgba(255,233,170,.45) inset,
    0 -1px 0 rgba(0,0,0,.20) inset;

  --site-ease:        cubic-bezier(0.22, 1, 0.36, 1);
  --site-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ───────── Typography & baseline ───────── */
* { -webkit-tap-highlight-color: transparent; }
body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01" on, "cv01" on;
}
::selection { background: rgba(240,192,64,.32); color: #fff; }
:focus-visible {
  outline: 2px solid var(--site-gold-500);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Refined scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,.10);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: rgba(240,192,64,.40); background-clip: padding-box; }

/* ───────── Buttons ───────── */
.btn,
button.btn {
  position: relative;
  overflow: hidden;
  transition:
    transform 160ms var(--site-ease-spring),
    box-shadow 240ms var(--site-ease),
    background 240ms var(--site-ease),
    border-color 240ms var(--site-ease) !important;
  will-change: transform;
}
.btn:active { transform: scale(0.97) translateY(1px); }
.btn-primary {
  background: linear-gradient(180deg,
    var(--site-gold-100) 0%,
    var(--site-gold-500) 55%,
    var(--site-gold-700) 100%) !important;
  color: #1A1206 !important;
  font-weight: 800 !important;
  border: 1px solid rgba(255,233,170,.55) !important;
  box-shadow: var(--site-shadow-gold) !important;
  text-shadow: 0 1px 0 rgba(255,255,255,.20);
  letter-spacing: -0.005em;
}
.btn-primary:hover {
  filter: brightness(1.04);
  box-shadow:
    0 12px 36px rgba(240,192,64,.42),
    0 1px 0 rgba(255,255,255,.55) inset,
    0 -1px 0 rgba(0,0,0,.25) inset !important;
}
.btn-outline {
  background: rgba(255,255,255,.04) !important;
  border: 1px solid var(--site-line-strong) !important;
  backdrop-filter: blur(8px);
  transition: border-color 240ms var(--site-ease), background 240ms var(--site-ease) !important;
}
.btn-outline:hover {
  background: rgba(255,255,255,.08) !important;
  border-color: rgba(240,192,64,.40) !important;
}

/* Ripple */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--rx, 50%) var(--ry, 50%),
    rgba(255,255,255,.35) 0%, transparent 50%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 480ms var(--site-ease);
}
.btn:active::after {
  opacity: 1;
  transition: opacity 60ms;
}

/* ───────── Cards ───────── */
.card,
.card.alt,
.section-card,
.rate-card,
.faq-item,
.promo-card {
  background:
    linear-gradient(180deg, rgba(255,255,255,.025) 0%, rgba(255,255,255,0) 100%),
    var(--site-bg-2) !important;
  border: 1px solid var(--site-line) !important;
  border-radius: 18px !important;
  box-shadow: var(--site-shadow-md) !important;
  transition: border-color 240ms var(--site-ease), transform 320ms var(--site-ease) !important;
}
.card:hover, .rate-card:hover {
  border-color: var(--site-line-strong) !important;
  transform: translateY(-2px);
}

/* ───────── Inputs ───────── */
input[type="text"],
input[type="number"],
input[type="email"],
input[type="tel"],
input[type="search"],
textarea,
select {
  background: rgba(255,255,255,.04) !important;
  border: 1px solid var(--site-line-strong) !important;
  border-radius: 14px !important;
  color: #fff !important;
  font-weight: 600 !important;
  transition:
    border-color 240ms var(--site-ease),
    background 240ms var(--site-ease),
    box-shadow 240ms var(--site-ease) !important;
}
input:focus, textarea:focus, select:focus {
  outline: none !important;
  border-color: var(--site-gold-500) !important;
  background: rgba(240,192,64,.06) !important;
  box-shadow: 0 0 0 4px rgba(240,192,64,.12) !important;
}
input::placeholder, textarea::placeholder {
  color: rgba(255,255,255,.32) !important;
}

/* ───────── Header / Nav ───────── */
.site-header,
header.site-header,
.header {
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid var(--site-line) !important;
  transition: background 240ms var(--site-ease), box-shadow 240ms var(--site-ease);
}
body.scrolled .site-header,
body.scrolled .header {
  background: rgba(8,7,13,0.92) !important;
  box-shadow: 0 8px 24px rgba(0,0,0,.45);
}
.nav a {
  position: relative;
  transition: color 200ms var(--site-ease);
}
.nav a::after {
  content: '';
  position: absolute;
  left: 12px; right: 12px; bottom: 6px;
  height: 2px;
  background: linear-gradient(90deg, var(--site-gold-100), var(--site-gold-500));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 280ms var(--site-ease);
  border-radius: 2px;
}
.nav a:hover::after,
.nav a.active::after {
  transform: scaleX(1);
}

/* ───────── Hero / Headings ───────── */
h1, .h1 {
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, #fff 0%, var(--site-gold-100) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ───────── Rate cards ───────── */
.rate-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.rate-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 60% at 100% 0%,
    rgba(240,192,64,.10) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}

/* ───────── Promo cards / badges ───────── */
.pill,
.badge {
  font-weight: 700 !important;
  letter-spacing: 0.04em !important;
  text-transform: uppercase;
  font-size: 10px !important;
  padding: 4px 10px !important;
  border-radius: 999px !important;
}
.badge-active {
  background: linear-gradient(180deg, var(--site-gold-100), var(--site-gold-700)) !important;
  color: #1A1206 !important;
  box-shadow: 0 2px 10px rgba(240,192,64,.40);
}

/* ───────── Step cards (buy/sell wizard) ───────── */
.step-card {
  border-radius: 22px !important;
  background:
    linear-gradient(180deg, rgba(255,255,255,.025) 0%, rgba(255,255,255,0) 100%),
    var(--site-bg-2) !important;
  border: 1px solid var(--site-line) !important;
  box-shadow: var(--site-shadow-lg) !important;
  transition: opacity 320ms var(--site-ease), transform 320ms var(--site-ease);
}
.step-card--active {
  border-color: var(--site-line-gold) !important;
}

/* ───────── Quick amount buttons ───────── */
[data-quick-amount] {
  transition:
    transform 160ms var(--site-ease-spring),
    border-color 240ms var(--site-ease),
    background 240ms var(--site-ease) !important;
}
[data-quick-amount]:active { transform: scale(0.96); }
[data-quick-amount]:hover {
  border-color: var(--site-gold-500) !important;
  background: rgba(240,192,64,.06) !important;
}

/* ───────── Payment methods ───────── */
[data-pay-method] {
  transition:
    border-color 240ms var(--site-ease),
    background 240ms var(--site-ease),
    transform 160ms var(--site-ease-spring) !important;
  border-radius: 14px !important;
}
[data-pay-method]:active { transform: scale(0.98); }
[data-pay-method].is-active {
  border-color: var(--site-gold-500) !important;
  background: linear-gradient(180deg,
    rgba(240,192,64,.10) 0%,
    rgba(240,192,64,.03) 100%) !important;
  box-shadow: 0 0 0 1px rgba(240,192,64,.25),
              0 4px 12px rgba(240,192,64,.15);
}

/* ───────── Success/Error boxes ───────── */
.success-box {
  border-radius: 16px !important;
  border: 1px solid rgba(46,232,158,.30) !important;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(46,232,158,.10) 0%, transparent 60%),
    var(--site-bg-2) !important;
  animation: site-slide-up 360ms var(--site-ease-spring);
}
.success-box.msg.err {
  border-color: rgba(255,61,99,.30) !important;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(255,61,99,.10) 0%, transparent 60%),
    var(--site-bg-2) !important;
}
@keyframes site-slide-up {
  from { transform: translateY(14px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

/* ───────── Loading spinner refinement ───────── */
.btn-spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(0,0,0,.20);
  border-top-color: rgba(0,0,0,.85);
  border-radius: 50%;
  vertical-align: -2px;
  margin-right: 6px;
  animation: site-spin .7s linear infinite;
}
@keyframes site-spin { to { transform: rotate(360deg); } }

/* ───────── Modals / drawers ───────── */
.nav-drawer,
.modal,
.drawer {
  background: var(--site-bg-1) !important;
  border-left: 1px solid var(--site-line) !important;
  box-shadow: var(--site-shadow-lg) !important;
}
body.nav-open::before {
  content: '';
  position: fixed; inset: 0;
  background: rgba(0,0,0,.62);
  backdrop-filter: blur(8px);
  z-index: 90;
  animation: site-fade 240ms var(--site-ease);
}
@keyframes site-fade { from { opacity: 0; } to { opacity: 1; } }

/* ───────── Notice / banner ───────── */
.notice {
  border-radius: 12px !important;
  background: rgba(240,192,64,.06) !important;
  border: 1px solid rgba(240,192,64,.18) !important;
  color: rgba(255,255,255,.78) !important;
}

/* ───────── Reveal-on-scroll ───────── */
.site-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 480ms cubic-bezier(0.16,1,0.3,1),
              transform 480ms cubic-bezier(0.16,1,0.3,1);
}
.site-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ───────── Reduced motion ───────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

/* ───────── Print ───────── */
@media print {
  .site-header, .nav, .footer { display: none !important; }
  .card { box-shadow: none !important; border: 1px solid #ddd !important; }
}