/* ====================================================================
   Force Cleaner (forcecleaner.com) - Master Premium Design System
   Sleek Dark Cyberpunk / Modern Enterprise Glassmorphism (Inter + Outfit)
   ==================================================================== */

:root {
  --bg-base: #09090b;
  --bg-surface: #121217;
  --bg-card: #18181f;
  --bg-card-hover: #22222c;
  --bg-glass: rgba(24, 24, 31, 0.75);

  --border-subtle: #272733;
  --border-card: #323242;
  --border-focus: #38bdf8;

  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;

  --accent-blue: #0284c7;
  --accent-cyan: #38bdf8;
  --accent-indigo: #6366f1;
  --accent-violet: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;

  --grad-primary: linear-gradient(
    135deg,
    #38bdf8 0%,
    #6366f1 50%,
    #8b5cf6 100%
  );
  --grad-glow: linear-gradient(
    135deg,
    rgba(56, 189, 248, 0.15) 0%,
    rgba(99, 102, 241, 0.15) 100%
  );
  --grad-amber: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 35px rgba(56, 189, 248, 0.25);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --font-sans:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: "Outfit", "Inter", sans-serif;
}

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

html {
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

/* ----------------- Top Announcement Bar ----------------- */
.top-announcement-bar {
  background: linear-gradient(90deg, #1e1b4b 0%, #0f172a 50%, #1e1b4b 100%);
  border-bottom: 1px solid rgba(99, 102, 241, 0.25);
  padding: 7px 16px;
  font-size: 13px;
  color: #e0f2fe;
  text-align: center;
}

.announcement-content {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  line-height: 1.4;
}

.badge-pulse {
  background: #0284c7;
  color: #fff;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.announcement-link {
  color: var(--accent-cyan);
  font-weight: 600;
  white-space: nowrap;
}
.announcement-link:hover {
  text-decoration: underline;
}

/* ----------------- Site Header ----------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* Brand Logo */
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  font-family: var(--font-heading);
  letter-spacing: -0.5px;
  flex-shrink: 0;
  white-space: nowrap;
}

.logo-icon-box {
  width: 38px;
  height: 38px;
  background: var(--grad-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.4);
}

.accent-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.pro-tag {
  font-size: 10px;
  font-weight: 800;
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  letter-spacing: 1px;
}

/* Navigation Links */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.nav-item {
  padding: 7px 11px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-item:hover,
.nav-item.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
  color: var(--accent-cyan);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
  flex-shrink: 0;
}

.dropdown-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.arrow-icon {
  font-size: 11px;
  transition: transform 0.2s;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 260px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 8px;
  box-shadow: var(--shadow-md);
  display: none;
  flex-direction: column;
  gap: 4px;
  z-index: 150;
}

.nav-dropdown:hover .dropdown-menu {
  display: flex;
}

.dropdown-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
}

.dropdown-link strong {
  display: block;
  color: var(--text-primary);
}

.dropdown-link small {
  color: var(--text-muted);
}

.dropdown-link:hover {
  background: var(--bg-card-hover);
  color: #fff;
}

/* Right Nav Controls */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  white-space: nowrap;
}

.currency-selector select {
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  padding: 6px 9px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  outline: none;
  transition: all 0.2s;
  white-space: nowrap;
}

.currency-selector select:hover,
.currency-selector select:focus {
  border-color: var(--accent-cyan);
  color: #fff;
}

.nav-link-login {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 7px 11px;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-link-login:hover {
  color: #fff;
}

/* ----------------- Master Buttons ----------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  white-space: nowrap;
  flex-shrink: 0;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
}

.btn-sm {
  padding: 7px 15px;
  font-size: 13px;
}

.btn-lg {
  padding: 15px 32px;
  font-size: 16px;
  border-radius: var(--radius-lg);
}

.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(2, 132, 199, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(2, 132, 199, 0.5);
  color: #fff;
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background: var(--bg-card);
  border-color: var(--border-card);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border-color: var(--border-card);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-amber {
  background: var(--grad-amber);
  color: #fff;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.glow-btn {
  position: relative;
  overflow: hidden;
}

.btn-block {
  width: 100%;
}

/* ----------------- Mobile Drawer ----------------- */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.mobile-menu-toggle .bar {
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.2s;
}

.mobile-drawer {
  display: none;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 20px;
  flex-direction: column;
  gap: 12px;
}

.mobile-drawer.active {
  display: flex;
}

.m-link {
  font-size: 15px;
  padding: 8px 0;
  color: var(--text-secondary);
}

.m-link:hover {
  color: var(--accent-cyan);
}

.drawer-divider {
  border: 0;
  border-top: 1px solid var(--border-subtle);
  margin: 8px 0;
}

/* ----------------- Site Footer ----------------- */
.site-footer {
  background: #08080a;
  border-top: 1px solid var(--border-subtle);
  position: relative;
  margin-top: 80px;
}

.footer-top-accent {
  height: 2px;
  background: var(--grad-primary);
}

.footer-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 60px 24px 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.2fr 1.2fr;
  gap: 40px;
}

.brand-col .brand-desc {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
  margin: 16px 0 20px;
  max-width: 380px;
}

.trust-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.trust-pill {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.footer-title {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #fff;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 13.5px;
}

.footer-links a:hover {
  color: var(--accent-cyan);
  transform: translateX(3px);
}

.footer-divider {
  border: 0;
  border-top: 1px solid var(--border-subtle);
  margin: 45px 0 25px;
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-emerald);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

/* ----------------- Universal Responsive Design System ----------------- */
@media (max-width: 1140px) {
  .desktop-nav {
    display: none !important;
  }
  .mobile-menu-toggle {
    display: flex !important;
  }
}

@media (max-width: 1024px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px !important;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px !important;
  }
  .hero-container {
    padding: 50px 20px 40px !important;
  }
  .hero-title {
    font-size: 2.75rem !important;
  }
}

@media (max-width: 992px) {
  .desktop-nav {
    display: none !important;
  }
  .mobile-menu-toggle {
    display: flex !important;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 32px !important;
  }
  .grid-2 {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }
  .support-grid {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: 0 16px !important;
  }
  .hero-container {
    padding: 36px 16px 30px !important;
  }
  .hero-title {
    font-size: 2.1rem !important;
    line-height: 1.2 !important;
  }
  .hero-subtitle {
    font-size: 1rem !important;
  }
  .hero-cta-group {
    flex-direction: column !important;
    width: 100% !important;
    gap: 12px !important;
  }
  .hero-cta-group .btn {
    width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
  }
  .grid-4,
  .grid-3 {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .stats-row {
    flex-direction: column !important;
    gap: 16px !important;
  }
  .stat-item {
    width: 100% !important;
    text-align: center !important;
  }
  .auth-page-wrapper {
    padding: 30px 14px !important;
  }
  .auth-card {
    padding: 26px 18px !important;
    margin: 10px auto !important;
    border-radius: 16px !important;
    max-width: 100% !important;
  }
  .auth-nav-tabs {
    gap: 6px !important;
  }
  .auth-nav-tab {
    padding: 9px 12px !important;
    font-size: 0.85rem !important;
  }
  .mockup-tree-box {
    padding: 12px !important;
    font-size: 0.78rem !important;
  }
  .tree-node-left {
    gap: 8px !important;
  }
  .tree-badge {
    font-size: 0.65rem !important;
    padding: 2px 6px !important;
  }
  .window-titlebar {
    padding: 10px 14px !important;
  }
  .mockup-action-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 10px !important;
  }
  .mockup-purge-btn {
    width: 100% !important;
    justify-content: center !important;
  }
  .top-announcement-bar {
    padding: 6px 10px !important;
    font-size: 11.5px !important;
    line-height: 1.35 !important;
  }
  .announcement-content {
    gap: 6px !important;
    font-size: 11px !important;
  }
  .badge-pulse {
    font-size: 10px !important;
    padding: 1px 6px !important;
  }
  .announcement-link {
    font-size: 11px !important;
  }
  .technical-error-banner {
    font-size: 12px !important;
    padding: 8px 14px !important;
    flex-direction: row !important;
  }
  .maintenance-card {
    padding: 30px 20px !important;
    margin: 16px !important;
  }
  .filter-bar {
    overflow-x: auto !important;
    flex-wrap: nowrap !important;
    padding-bottom: 8px !important;
    overscroll-behavior-x: contain;
  }
  .filter-pill {
    white-space: nowrap !important;
    flex-shrink: 0 !important;
  }
  .page-header-row {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem !important;
  }
  .hero-badge-live {
    font-size: 0.7rem !important;
    padding: 4px 10px !important;
  }
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }
  .footer-bottom-bar {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
  }
  .btn {
    padding: 11px 16px !important;
    font-size: 0.88rem !important;
  }
  .btn-sm {
    padding: 7px 12px !important;
    font-size: 0.8rem !important;
  }
  .auth-nav-tabs {
    flex-direction: column !important;
  }
  .auth-nav-tab {
    width: 100% !important;
    text-align: center !important;
  }
  .card-title {
    font-size: 1.05rem !important;
  }
  .tree-node-left {
    flex-direction: column !important;
    align-items: flex-start !important;
  }
}

/* ====================================================================
   LUXURY DYNAMIC CHECKOUT ENGINE & MULTI-GATEWAY DESIGN SYSTEM
   ==================================================================== */
.checkout-page-wrap {
  min-height: calc(100vh - 140px);
  padding: 40px 16px 80px;
  background:
    radial-gradient(
      circle at 50% 0%,
      rgba(56, 189, 248, 0.08) 0%,
      rgba(15, 23, 42, 0) 60%
    ),
    #09090b;
  position: relative;
}

.checkout-container {
  max-width: 1200px;
  margin: 0 auto;
}

.checkout-header-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.checkout-heading-wrap h1 {
  font-size: 1.85rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.checkout-heading-wrap p {
  font-size: 0.88rem;
  color: #94a3b8;
  margin-top: 4px;
}

.checkout-security-pills {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.sec-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  padding: 6px 12px;
  border-radius: 9999px;
  font-size: 0.75rem;
  color: #cbd5e1;
  font-weight: 500;
}

.sec-pill-green {
  border-color: rgba(16, 185, 129, 0.35);
  background: rgba(16, 185, 129, 0.08);
  color: #34d399;
}

/* 2-Column Responsive Layout */
.checkout-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 32px;
  align-items: flex-start;
}

.checkout-main-card {
  background: #111420;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  padding: 32px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}

.checkout-section {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.checkout-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.checkout-section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.section-step-num {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, #0284c7, #6366f1);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.section-step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.2px;
}

/* 3 Interactive Gateway Selector Cards */
.gateway-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.gateway-card {
  background: rgba(255, 255, 255, 0.02);
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 16px 14px;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}

.gateway-card:hover {
  border-color: rgba(56, 189, 248, 0.4);
  background: rgba(56, 189, 248, 0.04);
  transform: translateY(-2px);
}

.gateway-card.active {
  border-color: #38bdf8;
  background: linear-gradient(
    145deg,
    rgba(56, 189, 248, 0.12) 0%,
    rgba(99, 102, 241, 0.08) 100%
  );
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.25);
}

.gateway-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.gateway-icon-badge {
  font-size: 1.35rem;
}

.gateway-chip-instant {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.18);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  letter-spacing: 0.5px;
}

.gateway-card-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.gateway-card-sub {
  font-size: 0.72rem;
  color: #94a3b8;
  line-height: 1.3;
}

/* QR Code Section */
.qr-payment-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}

.qr-visual-col {
  flex: 0 0 auto;
  text-align: center;
  margin: 0 auto;
}

.qr-frame {
  background: #ffffff;
  padding: 12px;
  border-radius: 14px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
  display: inline-block;
  border: 2px solid rgba(56, 189, 248, 0.4);
  transition: transform 0.2s;
}

.qr-frame:hover {
  transform: scale(1.02);
}

.qr-frame img {
  display: block;
  width: 200px;
  height: 200px;
  image-rendering: pixelated;
}

.qr-branding-tag {
  font-size: 0.7rem;
  color: #94a3b8;
  margin-top: 8px;
  font-weight: 600;
}

.qr-info-col {
  flex: 1;
  min-width: 260px;
}

.qr-amount-callout {
  margin-bottom: 14px;
}

.qr-amount-callout .amt-label {
  font-size: 0.78rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.qr-amount-callout .amt-val {
  font-size: 2rem;
  font-weight: 800;
  color: #34d399;
  font-family: var(--font-heading);
  letter-spacing: -0.5px;
  text-shadow: 0 0 20px rgba(52, 211, 153, 0.35);
}

/* 5-Min Animated Countdown */
.qr-countdown-strip {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 16px;
}

.qr-timer-text {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: #fbbf24;
  font-weight: 600;
  margin-bottom: 6px;
}

.qr-timer-digits {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.qr-timer-rail {
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  overflow: hidden;
}

.qr-timer-bar {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #f59e0b, #10b981);
  transition: width 1s linear;
}

/* Payee VPA Details Strip */
.vpa-copy-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 16px;
  gap: 10px;
}

.vpa-id-code {
  font-family: "JetBrains Mono", monospace;
  color: #38bdf8;
  font-size: 0.88rem;
  font-weight: 700;
}

.btn-vpa-copy {
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: #38bdf8;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-vpa-copy:hover {
  background: #38bdf8;
  color: #09090b;
}

/* Mobile UPI App Buttons */
.mobile-upi-strip {
  margin-top: 14px;
}

.mobile-upi-strip-label {
  font-size: 0.72rem;
  color: #94a3b8;
  margin-bottom: 8px;
  display: block;
}

.mobile-upi-btns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-app-launcher {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.76rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.15s;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
}

.btn-app-launcher:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

/* Sticky Order Summary Sidebar */
.order-summary-sidebar {
  position: sticky;
  top: 24px;
  background: #111420;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}

.summary-title {
  font-size: 1.18rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Interactive Plan Selector / Cart Item */
.cart-plan-card {
  background: linear-gradient(
    135deg,
    rgba(56, 189, 248, 0.08) 0%,
    rgba(99, 102, 241, 0.05) 100%
  );
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 20px;
}

.cart-plan-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}

.cart-plan-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
}

.cart-plan-tag {
  font-size: 0.7rem;
  color: #94a3b8;
  margin-top: 2px;
}

.cart-plan-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: #38bdf8;
  white-space: nowrap;
}

.plan-switcher-select {
  width: 100%;
  margin-top: 10px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
  cursor: pointer;
}

/* Promo Code Box */
.coupon-input-group {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.coupon-input-group input {
  flex: 1;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 9px;
  padding: 10px 14px;
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.coupon-input-group input:focus {
  outline: none;
  border-color: #38bdf8;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.25);
}

.btn-apply-coupon {
  background: linear-gradient(135deg, #0284c7, #6366f1);
  color: #fff;
  border: none;
  border-radius: 9px;
  padding: 10px 18px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
  white-space: nowrap;
}

.btn-apply-coupon:hover {
  opacity: 0.9;
}

.coupon-applied-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 16px;
  width: 100%;
  justify-content: space-between;
}

/* Price Line Items Breakdown */
.price-breakdown-list {
  margin-bottom: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
}

.price-line-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 0.88rem;
  color: #94a3b8;
}

.price-line-row.discount-row {
  color: #34d399;
  font-weight: 600;
}

.price-line-row.gst-row {
  color: #cbd5e1;
}

.price-line-row.total-row {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 14px;
  margin-top: 14px;
  margin-bottom: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}

.price-line-row.total-row .total-amount {
  font-size: 1.7rem;
  font-weight: 800;
  color: #34d399;
  font-family: var(--font-heading);
  text-shadow: 0 0 20px rgba(52, 211, 153, 0.3);
}

/* Form Submit Buttons */
.btn-checkout-submit {
  display: block;
  width: 100%;
  background: linear-gradient(135deg, #0284c7 0%, #6366f1 50%, #8b5cf6 100%);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 16px 24px;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
  transition: all 0.25s;
  letter-spacing: -0.2px;
}

.btn-checkout-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(99, 102, 241, 0.55);
}

/* Order Perks Checklist */
.order-perks-list {
  list-style: none;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.order-perks-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: #94a3b8;
  margin-bottom: 8px;
}

.order-perks-list li span {
  color: #34d399;
  font-weight: 700;
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
  .checkout-grid {
    grid-template-columns: 1fr;
  }
  .order-summary-sidebar {
    position: static;
    order: -1; /* Display summary first on mobile for clear cart view */
  }
  .gateway-cards-grid {
    grid-template-columns: 1fr;
  }
  .qr-payment-box {
    flex-direction: column;
    text-align: center;
  }
  .qr-info-col {
    width: 100%;
  }
}