/* ==========================================================================
   OKX Global Partner Landing Page Stylesheet
   Designed for High Conversion, Modern Web3 UI, and 100% Google Safe Browsing
   ========================================================================== */

:root {
  --bg-primary: #08090b;
  --bg-secondary: #0f1115;
  --bg-card: rgba(22, 25, 32, 0.75);
  --bg-card-hover: rgba(30, 34, 44, 0.9);
  --bg-glass: rgba(18, 20, 26, 0.65);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(0, 245, 155, 0.35);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent-green: #00f59b;
  --accent-green-hover: #00d687;
  --accent-blue: #0052ff;
  --accent-gold: #fbbf24;
  --danger-red: #ef4444;
  --shadow-glow: 0 0 25px rgba(0, 245, 155, 0.18);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 82, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(0, 245, 155, 0.07) 0%, transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(0, 82, 255, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Header & Navigation (Spacious & Clean Layout)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(8, 9, 11, 0.92);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(0, 245, 155, 0.2);
  flex-shrink: 0;
}

.brand-text-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  white-space: nowrap;
}

.brand-badge {
  font-size: 0.7rem;
  background: rgba(0, 245, 155, 0.12);
  color: var(--accent-green);
  padding: 2px 7px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 245, 155, 0.3);
  font-weight: 600;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.8vw, 24px);
  list-style: none;
  margin: 0 auto;
}

.nav-link {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
  padding: 6px 2px;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Compact Code Pill in Header */
.nav-code-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 245, 155, 0.25);
  border-radius: var(--radius-full);
  padding: 6px 12px;
  color: #fff;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.nav-code-pill:hover {
  background: rgba(0, 245, 155, 0.1);
  border-color: var(--accent-green);
  transform: translateY(-1px);
}

.nav-code-pill .pill-label {
  font-size: 0.74rem;
  color: var(--text-dim);
}

.nav-code-pill .pill-code {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--accent-green);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.04em;
}

.nav-code-pill .pill-copy-icon {
  color: var(--text-muted);
  transition: var(--transition);
}

.nav-code-pill:hover .pill-copy-icon {
  color: var(--accent-green);
}

.btn-nav-cta {
  padding: 8px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 2px 12px rgba(0, 245, 155, 0.25);
}

.btn-nav-cta:hover {
  box-shadow: 0 4px 18px rgba(0, 245, 155, 0.4);
}

/* Mobile Hamburger Button */
.mobile-menu-btn {
  display: none;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #fff;
  padding: 7px;
  cursor: pointer;
  transition: var(--transition);
  line-height: 0;
}

.mobile-menu-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   Mobile Drawer Menu Component
   ========================================================================== */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  visibility: hidden;
  transition: visibility 0.3s ease;
}

.mobile-drawer.open {
  pointer-events: auto;
  visibility: visible;
}

.mobile-drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-drawer.open .mobile-drawer-backdrop {
  opacity: 1;
}

.mobile-drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 82%;
  max-width: 340px;
  background: #10131a;
  border-left: 1px solid var(--border-subtle);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.8);
  overflow-y: auto;
}

.mobile-drawer.open .mobile-drawer-panel {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 20px;
}

.drawer-close-btn {
  font-size: 1.8rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
}

.drawer-close-btn:hover {
  color: #fff;
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
}

.drawer-link {
  display: block;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

.drawer-link:hover, .drawer-link:active {
  background: rgba(255, 255, 255, 0.05);
  color: var(--accent-green);
}

.drawer-footer-cta {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.drawer-code-card {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(0, 245, 155, 0.25);
  border-radius: var(--radius-md);
  padding: 14px;
  text-align: center;
}

.drawer-code-val {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-green);
  font-family: ui-monospace, monospace;
  margin: 6px 0 10px;
  letter-spacing: 0.08em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  text-align: center;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-green);
  color: #000;
  box-shadow: 0 4px 18px rgba(0, 245, 155, 0.35);
}

.btn-primary:hover {
  background: var(--accent-green-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 245, 155, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1.05rem;
  font-weight: 700;
}

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  color: var(--text-main);
  padding: 8px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 80px 0 60px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  background: rgba(0, 245, 155, 0.08);
  border: 1px solid rgba(0, 245, 155, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  color: var(--accent-green);
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-pill .pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 155, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(0, 245, 155, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 155, 0); }
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 580px;
}

/* Exclusive Invitation Card */
.invite-hero-box {
  background: linear-gradient(145deg, rgba(28, 33, 44, 0.8), rgba(15, 17, 23, 0.95));
  border: 1px solid rgba(0, 245, 155, 0.35);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  box-shadow: var(--shadow-glow), var(--shadow-card);
  margin-bottom: 36px;
  position: relative;
  overflow: hidden;
}

.invite-hero-box::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(0, 245, 155, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.invite-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.invite-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.invite-rebate-tag {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #000;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.invite-code-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 12px 20px;
}

.invite-code-val {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #ffffff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.copy-btn {
  background: var(--accent-green);
  color: #000;
  font-weight: 700;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.92rem;
  transition: var(--transition);
}

.copy-btn:hover {
  background: var(--accent-green-hover);
  transform: scale(1.03);
}

.invite-tip {
  font-size: 0.84rem;
  color: var(--accent-green);
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-trust-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-dim);
  font-size: 0.88rem;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-trust-item svg {
  color: var(--accent-green);
}

/* Hero Right Visual Card */
.hero-visual-card {
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-card);
  position: relative;
}

.blindbox-highlight {
  background: linear-gradient(145deg, rgba(251, 191, 36, 0.12), rgba(0, 82, 255, 0.08));
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: var(--radius-md);
  padding: 22px;
  text-align: center;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}

.blindbox-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: #000;
  background: var(--accent-gold);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.blindbox-amount {
  font-size: 2.4rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.blindbox-amount span {
  font-size: 1.25rem;
  color: var(--accent-gold);
}

.blindbox-sub {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.benefit-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.benefit-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
}

.benefit-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(0, 245, 155, 0.1);
  color: var(--accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.benefit-content h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.benefit-content p {
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Metrics Section
   ========================================================================== */
.metrics-section {
  padding: 40px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(15, 17, 21, 0.5);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.metric-card {
  text-align: center;
  padding: 16px;
}

.metric-value {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.metric-value .unit {
  font-size: 1.1rem;
  color: var(--accent-green);
}

.metric-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Section Common Styles
   ========================================================================== */
.section {
  padding: 90px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: #fff;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Benefits & Rebate Comparison Table
   ========================================================================== */
.compare-container {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: 48px;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.compare-table th,
.compare-table td {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.compare-table th {
  background: rgba(0, 0, 0, 0.4);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
}

.compare-table th.highlight-col {
  color: var(--accent-green);
  background: rgba(0, 245, 155, 0.06);
  border-left: 1px solid var(--border-highlight);
  border-right: 1px solid var(--border-highlight);
}

.compare-table td.highlight-col {
  background: rgba(0, 245, 155, 0.03);
  border-left: 1px solid var(--border-highlight);
  border-right: 1px solid var(--border-highlight);
  font-weight: 600;
  color: #fff;
}

.status-badge-ok {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-green);
  font-weight: 600;
}

.status-badge-no {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
}

/* Rebate Calculator Box */
.calc-box {
  background: linear-gradient(135deg, rgba(20, 24, 32, 0.95), rgba(12, 14, 18, 0.9));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.calc-input-group label {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 12px;
}

.calc-range-wrapper {
  margin-bottom: 20px;
}

.calc-range {
  width: 100%;
  -webkit-appearance: none;
  height: 8px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  outline: none;
}

.calc-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  background: var(--accent-green);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 12px var(--accent-green);
}

.calc-display-val {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.calc-result-card {
  background: rgba(0, 245, 155, 0.05);
  border: 1px solid rgba(0, 245, 155, 0.25);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
}

.calc-result-title {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.calc-saved-amount {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--accent-green);
  line-height: 1.1;
  margin-bottom: 12px;
}

.calc-saved-amount span {
  font-size: 1.1rem;
}

/* ==========================================================================
   Step-by-Step Registration Guide
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  position: relative;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.step-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-card);
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 82, 255, 0.15);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 20px;
}

.step-card.active .step-number {
  background: rgba(0, 245, 155, 0.15);
  color: var(--accent-green);
  border-color: var(--accent-green);
  box-shadow: 0 0 15px rgba(0, 245, 155, 0.25);
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.step-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.step-code-highlight {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.step-code-highlight code {
  color: var(--accent-green);
  font-weight: 700;
  font-family: ui-monospace, monospace;
}

/* ==========================================================================
   Security & Platform Features
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  transition: var(--transition);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
}

.feature-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--accent-green);
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #fff;
}

.feature-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   App Download Section
   ========================================================================== */
.download-box {
  background: linear-gradient(145deg, rgba(20, 24, 32, 0.95), rgba(10, 11, 14, 0.9));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.download-options {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.download-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.download-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.16);
}

.download-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.download-icon {
  font-size: 1.6rem;
  color: #fff;
}

.download-text h4 {
  font-size: 1rem;
  font-weight: 600;
}

.download-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.verify-security-note {
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 0.86rem;
  color: #fca5a5;
  margin-top: 20px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: rgba(0, 245, 155, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 24px;
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  text-align: left;
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--accent-green);
  color: #000;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  padding-bottom: 22px;
}

/* ==========================================================================
   Footer & Anti-Phishing Disclaimers
   ========================================================================== */
.site-footer {
  background: #050608;
  border-top: 1px solid var(--border-subtle);
  padding: 64px 0 40px;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand h3 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 440px;
}

.footer-links h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-links a {
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-green);
}

.disclaimer-banner {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.disclaimer-banner h5 {
  color: var(--text-main);
  font-size: 0.95rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.disclaimer-banner p {
  font-size: 0.84rem;
  color: var(--text-dim);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  font-size: 0.82rem;
}

/* ==========================================================================
   Sticky Mobile Bottom Bar
   ========================================================================== */
.sticky-mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(8, 9, 11, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(0, 245, 155, 0.3);
  padding: 12px 16px;
  box-shadow: 0 -5px 25px rgba(0, 0, 0, 0.6);
}

.sticky-cta-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 500px;
  margin: 0 auto;
}

.sticky-code-badge {
  display: flex;
  flex-direction: column;
}

.sticky-code-badge span:first-child {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.sticky-code-badge .code {
  font-family: ui-monospace, monospace;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent-green);
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Toast Notification & Modal
   ========================================================================== */
.toast-msg {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #11141b;
  border: 1px solid var(--accent-green);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 245, 155, 0.3);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  font-weight: 600;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-msg.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #12151c;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
  box-shadow: var(--shadow-card);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 16px;
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
}

.modal-close {
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

.modal-body {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.modal-body p {
  margin-bottom: 14px;
}

.modal-body h4 {
  color: #fff;
  font-size: 1.05rem;
  margin: 18px 0 8px;
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 1080px) {
  .nav-links {
    display: none;
  }
  
  .mobile-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .calc-box,
  .download-box {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .features-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-code-pill {
    display: none;
  }
  
  .sticky-mobile-cta {
    display: block;
  }
  
  body {
    padding-bottom: 70px;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-desc {
    font-size: 1rem;
  }
  
  .invite-code-val {
    font-size: 1.6rem;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 1.85rem;
  }
  
  .compare-table th,
  .compare-table td {
    padding: 14px 16px;
    font-size: 0.88rem;
  }
}

/* ==========================================================================
   Notice Top Bar (Affiliate & Official Destination Declaration)
   ========================================================================== */
.top-notice-bar {
  background: linear-gradient(90deg, #0e121a 0%, #151b26 100%);
  border-bottom: 1px solid rgba(0, 245, 155, 0.25);
  padding: 8px 16px;
  font-size: 0.83rem;
  color: var(--text-muted);
  text-align: center;
}

.top-notice-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.top-notice-badge {
  background: rgba(0, 245, 155, 0.15);
  color: var(--accent-green);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.76rem;
}

.top-notice-link {
  color: #fff;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.top-notice-link:hover {
  color: var(--accent-green);
}

/* ==========================================================================
   Editorial & Author Card (E-E-A-T Compliance)
   ========================================================================== */
.editorial-meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  margin-bottom: 32px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

.editorial-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.editorial-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-weight: 800;
  font-size: 0.78rem;
}

/* ==========================================================================
   Security & Anti-Social-Engineering Hub (Crucial for Safe Browsing)
   ========================================================================== */
.security-alert-box {
  background: linear-gradient(145deg, rgba(239, 68, 68, 0.08), rgba(20, 24, 32, 0.95));
  border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  margin-bottom: 48px;
  position: relative;
  overflow: hidden;
}

.security-alert-box::before {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(239, 68, 68, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.security-alert-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.security-alert-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.security-card-item {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 22px 20px;
}

.security-card-item h4 {
  font-size: 1.02rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.security-card-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   C2C Safe In/Out & Anti-Freeze Card Guide
   ========================================================================== */
.c2c-guide-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 48px;
}

.c2c-steps-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 28px;
}

.c2c-rule-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  gap: 16px;
  transition: var(--transition);
}

.c2c-rule-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(0, 245, 155, 0.3);
}

.c2c-rule-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 245, 155, 0.1);
  color: var(--accent-green);
  border: 1px solid rgba(0, 245, 155, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  flex-shrink: 0;
}

.c2c-rule-content h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.c2c-rule-content p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Product Ecosystem Deep-Dive Cards
   ========================================================================== */
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ecosystem-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.ecosystem-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 245, 155, 0.35);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.6);
}

.ecosystem-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent-green);
  border: 1px solid rgba(0, 245, 155, 0.2);
}

.ecosystem-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.ecosystem-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.ecosystem-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ecosystem-tag {
  font-size: 0.78rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-dim);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* ==========================================================================
   Multi-Tier Fee Structure Table
   ========================================================================== */
.fee-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  margin-bottom: 32px;
}

.fee-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 600px;
}

.fee-table th,
.fee-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.92rem;
}

.fee-table th {
  background: rgba(0, 0, 0, 0.5);
  color: var(--text-muted);
  font-weight: 700;
}

.fee-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.fee-discount-col {
  color: var(--accent-green);
  font-weight: 700;
  background: rgba(0, 245, 155, 0.03);
}

/* ==========================================================================
   Affiliate Disclosure & Transparency Banner
   ========================================================================== */
.affiliate-disclosure-box {
  background: rgba(255, 255, 255, 0.015);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  font-size: 0.84rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 28px;
}

.affiliate-disclosure-box strong {
  color: var(--text-muted);
}