/* ============================================================
   GoldTrack Pro — Design Tokens & Global Styles
   ASP.NET Core MVC: wwwroot/css/site.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@600;700;800&display=swap');

/* ---------- Root Tokens (Light Mode) ---------- */
:root {
  --gold-primary:   #D4AF37;
  --gold-light:     #FFD700;
  --gold-dark:      #B8860B;
  --gold-muted:     #C9A84C;
  --gold-subtle:    #FFF8DC;
  --gold-gradient:  linear-gradient(135deg, #D4AF37 0%, #FFD700 50%, #B8860B 100%);
  --gold-gradient-h:linear-gradient(90deg, #B8860B 0%, #FFD700 50%, #D4AF37 100%);

  --surface-1:      #FFFBF0;
  --surface-2:      #FFF8DC;
  --surface-card:   #FFFFFF;
  --price-up:       #16a34a;
  --price-down:     #dc2626;
  --price-neutral:  #6b7280;

  --font-base:      'Inter', system-ui, sans-serif;
  --font-display:   'Poppins', system-ui, sans-serif;

  --shadow-gold:    0 4px 20px rgba(212, 175, 55, 0.25);
  --shadow-card:    0 2px 12px rgba(0, 0, 0, 0.08);
  --radius-card:    12px;

  /* Bootstrap theme overrides */
  --bs-primary:            #D4AF37;
  --bs-primary-rgb:        212, 175, 55;
  --bs-link-color:         #B8860B;
  --bs-link-hover-color:   #D4AF37;
  --bs-body-font-family:   var(--font-base);
  --bs-body-bg:            #FFFBF0;
  --bs-body-color:         #1A1200;
  --bs-border-radius:      12px;
  --bs-heading-color:      #1A1200;
}

/* ---------- Dark Mode Tokens ---------- */
[data-bs-theme="dark"] {
  --surface-1:      #12120A;
  --surface-2:      #1E1E10;
  --surface-card:   #252515;
  --gold-subtle:    rgba(212,175,55,0.08);
  --shadow-card:    0 2px 16px rgba(0, 0, 0, 0.4);
  --shadow-gold:    0 4px 20px rgba(212, 175, 55, 0.15);

  --bs-body-bg:     #12120A;
  --bs-body-color:  #F0EAC8;
  --bs-heading-color: #F8F4E0;
  --bs-border-color: rgba(212, 175, 55, 0.2);
  --bs-card-bg:     #252515;
  --bs-secondary-bg: #1E1E10;
  --bs-tertiary-bg: #1A1A0D;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-base);
  background-color: var(--surface-1);
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar-gold {
  border-bottom: 2px solid rgba(212, 175, 55, 0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

[data-bs-theme="light"] .navbar-gold {
  background-color: rgba(255, 251, 240, 0.95) !important;
}
[data-bs-theme="dark"] .navbar-gold {
  background-color: rgba(18, 18, 10, 0.95) !important;
}

.navbar-brand-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-brand-icon {
  width: 34px;
  height: 34px;
  background: var(--gold-gradient);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  box-shadow: var(--shadow-gold);
}

.nav-link-gold {
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
  position: relative;
}
.nav-link-gold::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gold-gradient);
  transition: width 0.25s ease;
  border-radius: 2px;
}
.nav-link-gold:hover::after,
.nav-link-gold.active::after {
  width: 80%;
}
.nav-link-gold:hover {
  color: var(--gold-primary) !important;
}

.btn-mode-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid rgba(212, 175, 55, 0.5);
  background: transparent;
  color: var(--gold-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.25s ease;
}
.btn-mode-toggle:hover {
  background: var(--gold-primary);
  color: #fff;
  border-color: var(--gold-primary);
  box-shadow: var(--shadow-gold);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://pixabay.com/get/g698eb6d973475878a6f8ea87571cb301c58a54c962aba3159de890e5dfdd8e7c4e0ac5a8371228b84bec1964e4b721d4.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.35) saturate(0.8);
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(18,12,0,0.85) 0%,
    rgba(30,20,0,0.6) 50%,
    rgba(50,35,0,0.7) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 100px;
  padding-bottom: 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212, 175, 55, 0.15);
  border: 1px solid rgba(212, 175, 55, 0.4);
  color: var(--gold-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.hero-title-gold {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.hero-price-live {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: 16px;
  padding: 16px 24px;
  backdrop-filter: blur(8px);
  margin-bottom: 2rem;
}

.hero-price-live .price-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-price-live .price-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: -0.02em;
}

.hero-price-live .price-unit {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

.live-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: livePulse 1.5s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(34,197,94,0.6); }
  50% { opacity: 0.8; transform: scale(1.2); box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}

.hero-cta-wrap {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.btn-gold {
  background: var(--gold-gradient);
  color: #1A1200;
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  padding: 12px 28px;
  border-radius: 100px;
  transition: all 0.25s ease;
  box-shadow: 0 4px 16px rgba(212,175,55,0.4);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212,175,55,0.5);
  color: #0A0800;
}
.btn-gold-outline {
  background: transparent;
  color: var(--gold-light);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid rgba(212,175,55,0.5);
  padding: 12px 28px;
  border-radius: 100px;
  transition: all 0.25s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.btn-gold-outline:hover {
  background: rgba(212,175,55,0.1);
  border-color: var(--gold-light);
  color: var(--gold-light);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat-item .stat-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-item .stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-top: 2px;
}

/* ============================================================
   TICKER TAPE
   ============================================================ */
.ticker-wrap {
  background: linear-gradient(90deg, #1A1200, #2A1E00, #1A1200);
  border-top: 1px solid rgba(212,175,55,0.3);
  border-bottom: 1px solid rgba(212,175,55,0.3);
  overflow: hidden;
  position: relative;
  z-index: 3;
  padding: 10px 0;
}

.ticker-label {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  padding: 0 16px;
  background: var(--gold-gradient);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #1A1200;
  white-space: nowrap;
}

.ticker-track {
  display: flex;
  animation: tickerScroll 30s linear infinite;
  width: max-content;
  padding-left: 160px;
}
.ticker-track:hover { animation-play-state: paused; }

@keyframes tickerScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 28px;
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255, 220, 80, 0.9);
  white-space: nowrap;
  border-right: 1px solid rgba(212,175,55,0.2);
}
.ticker-item .ticker-name { color: rgba(255,255,255,0.7); }
.ticker-item .ticker-up   { color: #4ade80; }
.ticker-item .ticker-down { color: #f87171; }

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section-title-wrap { margin-bottom: 3.5rem; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold-primary);
  margin-bottom: 0.75rem;
}
.section-label::before, .section-label::after {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1.5px;
  background: var(--gold-gradient);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.section-desc {
  font-size: 1rem;
  opacity: 0.65;
  max-width: 560px;
  line-height: 1.7;
}

/* ============================================================
   GOLD PRICES
   ============================================================ */
.section-prices {
  padding: 100px 0;
  background-color: var(--surface-1);
}

.last-update {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  opacity: 0.6;
}

.price-card {
  border-radius: var(--radius-card);
  border: 1px solid rgba(212, 175, 55, 0.15);
  background: var(--surface-card);
  box-shadow: var(--shadow-card);
  padding: 20px;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
  height: 100%;
}
.price-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold-gradient);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.price-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
  border-color: rgba(212, 175, 55, 0.4);
}
.price-card:hover::before { opacity: 1; }

.price-card-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, rgba(212,175,55,0.15), rgba(212,175,55,0.05));
  border: 1px solid rgba(212,175,55,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--gold-primary);
  margin-bottom: 12px;
}

.price-card-title {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.65;
  margin-bottom: 4px;
}

.price-card-type {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--gold-dark);
}
[data-bs-theme="dark"] .price-card-type { color: var(--gold-muted); }

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
}
.price-row-label {
  font-size: 0.75rem;
  opacity: 0.55;
  font-weight: 500;
}
.price-row-value {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--bs-body-color);
}

.price-divider {
  border: none;
  border-top: 1px solid rgba(212,175,55,0.1);
  margin: 12px 0;
}

.price-change-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 100px;
}
.price-change-badge.up   { background: rgba(22, 163, 74, 0.1);  color: var(--price-up); }
.price-change-badge.down { background: rgba(220, 38, 38, 0.1);  color: var(--price-down); }

.price-card.price-flash-up   { animation: flashUp 0.6s ease; }
.price-card.price-flash-down { animation: flashDown 0.6s ease; }

@keyframes flashUp {
  0%, 100% { background-color: var(--surface-card); }
  50% { background-color: rgba(22, 163, 74, 0.08); }
}
@keyframes flashDown {
  0%, 100% { background-color: var(--surface-card); }
  50% { background-color: rgba(220, 38, 38, 0.08); }
}

/* ============================================================
   APP DOWNLOAD
   ============================================================ */
.section-app {
  padding: 100px 0;
  background: linear-gradient(135deg, #1A1200 0%, #2E2000 50%, #1A1200 100%);
  position: relative;
  overflow: hidden;
}
.section-app::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(212,175,55,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.section-app::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -80px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(212,175,55,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.app-phone-mockup {
  position: relative;
  z-index: 1;
  background: linear-gradient(145deg, #2A2015, #1A1208);
  border: 1.5px solid rgba(212,175,55,0.3);
  border-radius: 32px;
  padding: 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px rgba(212,175,55,0.1);
  max-width: 280px;
  margin: 0 auto;
}
.app-phone-screen {
  background: linear-gradient(145deg, #1A1500, #0D0B00);
  border-radius: 20px;
  padding: 20px 16px;
  font-size: 0.75rem;
}
.app-screen-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  color: rgba(212,175,55,0.8);
  font-weight: 700;
  font-size: 0.9rem;
}
.app-screen-price-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(212,175,55,0.08);
  color: rgba(255,255,255,0.85);
  font-size: 0.78rem;
}
.app-screen-price-item:last-child { border-bottom: none; }
.app-sparkline {
  display: inline-flex;
  gap: 2px;
  align-items: flex-end;
}
.spark-bar {
  width: 4px;
  background: var(--gold-primary);
  border-radius: 2px;
  opacity: 0.7;
}

.app-store-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.05);
  border: 1.5px solid rgba(212,175,55,0.35);
  border-radius: 14px;
  padding: 12px 20px;
  color: #fff;
  text-decoration: none;
  transition: all 0.25s ease;
  min-width: 180px;
}
.app-store-btn:hover {
  background: rgba(212,175,55,0.1);
  border-color: rgba(212,175,55,0.7);
  color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212,175,55,0.2);
}
.app-store-btn .store-icon      { font-size: 1.8rem; color: var(--gold-primary); }
.app-store-btn .store-text-small { font-size: 0.65rem; opacity: 0.7; text-transform: uppercase; letter-spacing: 0.08em; }
.app-store-btn .store-text-big   { font-size: 1rem; font-weight: 700; font-family: var(--font-display); }

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.section-about { padding: 100px 0; }

.about-feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}
.about-feature-icon {
  width: 46px; height: 46px;
  background: linear-gradient(135deg, rgba(212,175,55,0.15), rgba(212,175,55,0.05));
  border: 1px solid rgba(212,175,55,0.25);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--gold-primary);
  flex-shrink: 0;
}
.about-feature-title { font-weight: 700; font-size: 0.95rem; margin-bottom: 4px; }
.about-feature-desc  { font-size: 0.85rem; opacity: 0.65; line-height: 1.6; margin: 0; }

.stat-card {
  background: var(--surface-card);
  border: 1px solid rgba(212,175,55,0.15);
  border-radius: var(--radius-card);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: all 0.25s ease;
}
.stat-card:hover {
  border-color: rgba(212,175,55,0.4);
  box-shadow: var(--shadow-gold);
  transform: translateY(-3px);
}
.stat-card-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-card-label {
  font-size: 0.82rem;
  opacity: 0.6;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.section-contact {
  padding: 100px 0;
  background-color: var(--surface-2);
}

.contact-form-card {
  background: var(--surface-card);
  border: 1px solid rgba(212,175,55,0.15);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow-card);
}

.form-control-gold:focus,
.form-select-gold:focus {
  border-color: var(--gold-primary);
  box-shadow: 0 0 0 3px rgba(212,175,55,0.15);
  outline: none;
}
.form-label-gold { font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }

.contact-info-card {
  background: var(--surface-card);
  border: 1px solid rgba(212,175,55,0.15);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-card);
  transition: all 0.2s ease;
}
.contact-info-card:hover {
  border-color: rgba(212,175,55,0.4);
  box-shadow: var(--shadow-gold);
}
.contact-info-icon {
  width: 48px; height: 48px;
  background: var(--gold-gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #1A1200;
  flex-shrink: 0;
}
.contact-info-label {
  font-size: 0.75rem;
  opacity: 0.55;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.contact-info-value { font-weight: 600; font-size: 0.9rem; margin-top: 2px; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: linear-gradient(135deg, #0D0B00 0%, #1A1200 100%);
  border-top: 1px solid rgba(212,175,55,0.2);
  padding: 60px 0 24px;
  color: rgba(255,255,255,0.7);
}

.footer-brand-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-tagline {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  margin-top: 8px;
  line-height: 1.6;
  max-width: 280px;
}

.footer-heading {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gold-primary);
  margin-bottom: 16px;
}

.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--gold-light); }

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: rgba(212,175,55,0.1);
  border: 1px solid rgba(212,175,55,0.2);
  border-radius: 50%;
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s;
  margin-right: 8px;
}
.footer-social a:hover {
  background: var(--gold-primary);
  border-color: var(--gold-primary);
  color: #1A1200;
  transform: translateY(-2px);
}

.footer-divider {
  border: none;
  border-top: 1px solid rgba(212,175,55,0.12);
  margin: 40px 0 20px;
}

.footer-bottom { font-size: 0.8rem; color: rgba(255,255,255,0.35); }

.footer-legal a {
  color: rgba(255,255,255,0.35);
  text-decoration: none;
  transition: color 0.2s;
  margin-left: 16px;
}
.footer-legal a:hover { color: var(--gold-light); }

/* ============================================================
   ANIMATIONS & UTILITIES
   ============================================================ */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-up.visible { opacity: 1; transform: translateY(0); }

.gold-text {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.scroll-top-btn {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 44px; height: 44px;
  background: var(--gold-gradient);
  color: #1A1200;
  border: none;
  border-radius: 50%;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(212,175,55,0.4);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 999;
}
.scroll-top-btn.show    { opacity: 1; transform: translateY(0); }
.scroll-top-btn:hover   { box-shadow: 0 6px 24px rgba(212,175,55,0.6); transform: translateY(-2px); }

.toast-container-custom {
  position: fixed;
  bottom: 80px; right: 24px;
  z-index: 1100;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .hero-stats       { gap: 20px; }
  .hero-price-live  { flex-direction: column; gap: 4px; padding: 14px 18px; }
  .hero-price-live .price-value { font-size: 1.8rem; }
  .contact-form-card { padding: 24px; }
  .app-store-btn    { min-width: 160px; }
}