/* ==========================================================================
   NODEDARTS.COM – DESIGN SYSTEM & STYLESHEET (CROSS-PLAY DONGLE EDITION)
   High-performance, accessible, aesthetic cyber-tech e-commerce CSS
   ========================================================================== */

/* --- CSS Variables / Design Tokens --- */
:root {
  /* Colors */
  --bg-dark: #080d1a;
  --bg-surface: #0f172a;
  --bg-card: #131d35;
  --bg-card-hover: #1a2744;
  --bg-input: #0b1222;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: #38bdf8;
  --border-accent: rgba(56, 189, 248, 0.3);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent-cyan: #0ea5e9;
  --accent-cyan-light: #38bdf8;
  --accent-cyan-glow: rgba(14, 165, 233, 0.4);
  --accent-green: #10b981;
  --accent-red: #f43f5e;
  --accent-gold: #f59e0b;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Sizing & Transitions */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 9999px;
  
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 10px 40px rgba(14, 165, 233, 0.25);
  --shadow-lg: 0 25px 60px -15px rgba(0, 0, 0, 0.6);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent-cyan-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #fff;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.font-mono {
  font-family: var(--font-mono);
}

/* --- Utilities & Typography --- */
.gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.badge-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan-light);
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid rgba(14, 165, 233, 0.3);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.bg-card {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px auto;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #fff;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-normal);
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, #2563eb 100%);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-cyan-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-cyan-light) 0%, #3b82f6 100%);
  box-shadow: 0 8px 30px rgba(14, 165, 233, 0.5);
  transform: translateY(-2px);
  color: #fff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.15);
  color: #fff;
}

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

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border-subtle);
}

.btn-ghost:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
  flex-direction: column;
  gap: 4px;
}

.btn-subtext {
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.85;
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   TOP ANNOUNCEMENT & NAVBAR
   ========================================================================== */
.top-announcement {
  background: linear-gradient(90deg, #1e1b4b 0%, #0f172a 50%, #1e1b4b 100%);
  border-bottom: 1px solid rgba(129, 140, 248, 0.25);
  padding: 8px 0;
  font-size: 0.82rem;
  color: #cbd5e1;
}

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

.announcement-pill {
  background: #4f46e5;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.top-announcement mark {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.announcement-link {
  font-weight: 700;
  color: var(--accent-cyan-light);
  margin-left: 6px;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(8, 13, 26, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-cyan) 0%, #4338ca 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 2px 10px var(--accent-cyan-glow);
}

.brand-text strong {
  color: var(--accent-cyan-light);
}

.brand-tag {
  font-size: 0.65rem;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text-muted);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-price-chip {
  background: rgba(0, 0, 0, 0.25);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #fff;
  border-radius: 2px;
  transition: all var(--transition-fast);
}

@media (max-width: 960px) {
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(11, 18, 34, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-120%);
    transition: transform var(--transition-smooth);
    z-index: 999;
  }
  .nav-menu.open {
    transform: translateY(0);
  }
  .nav-toggle {
    display: flex;
  }
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding: 90px 0 110px 0;
  position: relative;
  overflow: hidden;
}

.hero-glow-1 {
  position: absolute;
  top: -150px;
  left: 20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.18) 0%, rgba(0, 0, 0, 0) 70%);
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  top: 100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.hero-tag-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-cyan-light);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan-light);
  animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.4); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.8; }
}

.hero-tag-text {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan-light);
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

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

.hero-description strong {
  color: #fff;
}

.hero-keypoints {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
}

.hero-point {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: #e2e8f0;
  font-weight: 500;
}

.hero-point svg {
  color: var(--accent-cyan-light);
  flex-shrink: 0;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.avatar-group {
  display: flex;
}

.avatar-group .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: -8px;
  font-size: 0.85rem;
  font-weight: 700;
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

.proof-text .stars {
  color: var(--accent-gold);
  font-size: 0.9rem;
}

.proof-text p {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 2px;
}

/* Hero Media Card */
.hero-media {
  position: relative;
}

.hero-card-preview {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-lg);
}

.hero-img-main {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.hero-card-preview:hover .hero-img-main {
  transform: scale(1.02);
}

.preview-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--accent-cyan-light);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  z-index: 2;
}

.floating-stat-card {
  position: absolute;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  z-index: 2;
}

.floating-stat-card.card-top {
  top: 20px;
  left: 20px;
}

.floating-stat-card.card-bottom {
  bottom: 20px;
  right: 20px;
}

.stat-icon {
  font-size: 1.4rem;
}

.stat-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}

.stat-sub {
  font-size: 0.75rem;
  color: var(--accent-cyan-light);
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   TRUST STRIP
   ========================================================================== */
.trust-strip {
  background: rgba(15, 23, 42, 0.6);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 24px 0;
}

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

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.trust-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.trust-text strong {
  display: block;
  font-size: 0.9rem;
  color: #fff;
}

.trust-text span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 500px) {
  .trust-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   STEPS / HOW IT WORKS
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: all var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow);
}

.step-num {
  position: absolute;
  top: 20px;
  right: 24px;
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.05);
}

.step-icon {
  font-size: 2.2rem;
  margin-bottom: 20px;
}

.step-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.step-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   COMPATIBILITY MATRIX TABLE
   ========================================================================== */
.matrix-table-container {
  overflow-x: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle);
}

.matrix-table {
  width: 100%;
  min-width: 800px;
  border-collapse: collapse;
  text-align: center;
}

.matrix-table th, .matrix-table td {
  padding: 16px 14px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.88rem;
}

.matrix-table th {
  background: rgba(15, 23, 42, 0.95);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  border-bottom: 2px solid rgba(255, 255, 255, 0.15);
}

.matrix-table th:first-child, .matrix-table td:first-child {
  text-align: left;
  padding-left: 20px;
  color: #fff;
}

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

.tag-yes {
  display: inline-block;
  background: rgba(16, 185, 129, 0.18);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.4);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
}

.tag-native {
  display: inline-block;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan-light);
  border: 1px solid rgba(56, 189, 248, 0.35);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
}

/* ==========================================================================
   APP SWITCHER SIMULATOR
   ========================================================================== */
.sim-select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
}

.app-switcher-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.app-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
}

.app-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.app-btn.active {
  background: rgba(14, 165, 233, 0.18);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan-light);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.sim-log-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #94a3b8;
  line-height: 1.6;
  background: #020617;
  padding: 12px 16px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
}

.sim-log-text strong {
  color: var(--accent-cyan-light);
}

/* Screen Menu List Layout */
.screen-menu-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.menu-item-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  color: #64748b;
  font-weight: 600;
}

.menu-item-row.active {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.menu-arrow {
  font-weight: 800;
  color: var(--accent-cyan-light);
}

.screen-active-bar {
  background: #047857;
  color: #fff;
  font-weight: 800;
  text-align: center;
  padding: 6px;
  border-radius: 4px;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

/* ==========================================================================
   SPECS & GALLERY SECTION
   ========================================================================== */
.specs-master-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.gallery-hero-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  aspect-ratio: 4/3;
  margin-bottom: 16px;
  box-shadow: var(--shadow-subtle);
}

.specs-main-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.25s ease;
}

.gallery-picker {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.picker-thumb {
  background: var(--bg-card);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  padding: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.picker-thumb img {
  border-radius: 6px;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.picker-thumb span {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
}

.picker-thumb.active {
  border-color: var(--accent-cyan);
  background: rgba(14, 165, 233, 0.1);
}

.picker-thumb.active span {
  color: #fff;
}

.specs-table-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-subtle);
}

.specs-table-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: #fff;
}

.tech-table {
  width: 100%;
  border-collapse: collapse;
}

.tech-table th, .tech-table td {
  padding: 14px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
}

.tech-table th {
  color: var(--text-muted);
  font-weight: 600;
  width: 35%;
  vertical-align: top;
}

.tech-table td {
  color: #e2e8f0;
}

.tech-table tr:last-child th, .tech-table tr:last-child td {
  border-bottom: none;
}

@media (max-width: 900px) {
  .specs-master-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   SIMULATOR FRAME & SCREEN
   ========================================================================== */
.simulator-section {
  background: radial-gradient(ellipse 80% 50% at 50% 50%, rgba(15, 23, 42, 0.9) 0%, var(--bg-dark) 100%);
}

.simulator-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}

.sim-board-card {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.board-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.board-header h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.live-pill {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.throw-history {
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.history-label {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.dongle-hardware-mockup {
  display: flex;
  justify-content: center;
}

.mockup-case {
  background: #f1f5f9;
  color: #0f172a;
  border-radius: 20px;
  padding: 24px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), inset 0 2px 4px rgba(255, 255, 255, 0.8);
  border: 4px solid #e2e8f0;
  position: relative;
}

.mockup-header-screws {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
}

.screw {
  width: 8px;
  height: 8px;
  background: #94a3b8;
  border-radius: 50%;
  display: inline-block;
}

.dongle-screen {
  background: #020617;
  color: #38bdf8;
  border-radius: 10px;
  padding: 16px;
  font-family: var(--font-mono);
  box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.9), 0 0 20px rgba(56, 189, 248, 0.2);
  border: 2px solid #1e293b;
}

.screen-top-bar {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: #64748b;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 6px;
  margin-bottom: 12px;
}

.screen-wifi {
  color: var(--accent-green);
  font-weight: 700;
}

.screen-footer-bar {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: #94a3b8;
}

.screen-ping {
  color: var(--accent-green);
  font-weight: 700;
}

.mockup-brand {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 18px;
  padding-top: 12px;
}

.mockup-logo span {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: #0f172a;
  display: block;
}

.mockup-logo small {
  font-size: 0.65rem;
  font-weight: 700;
  color: #64748b;
  letter-spacing: 0.1em;
}

.mockup-port {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #64748b;
  background: #e2e8f0;
  padding: 4px 8px;
  border-radius: 4px;
}

@media (max-width: 900px) {
  .simulator-wrapper {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   REVIEWS & PRICING
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.review-box:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
}

.review-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.rev-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #1e293b 0%, var(--accent-cyan) 100%);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.rev-info strong {
  display: block;
  font-size: 0.95rem;
  color: #fff;
}

.rev-info span {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.rev-stars {
  margin-left: auto;
  color: var(--accent-gold);
  font-size: 0.9rem;
}

.rev-body {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
  font-style: italic;
  flex: 1;
  margin-bottom: 20px;
}

.rev-meta {
  font-size: 0.75rem;
  color: var(--accent-green);
  font-weight: 600;
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
  margin-bottom: 40px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.25);
}

.pricing-card.featured {
  background: linear-gradient(180deg, #162444 0%, var(--bg-card) 100%);
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 10px 40px rgba(14, 165, 233, 0.2);
}

.pricing-badge-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.bundle-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
}

.bundle-featured-tag {
  background: var(--accent-cyan);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.price-display {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 16px;
}

.price-display .currency {
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
}

.price-display .amount {
  font-size: 3.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.price-display .period {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-left: 6px;
}

.pricing-summary {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  min-height: 40px;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
  flex: 1;
}

.pricing-features li {
  font-size: 0.88rem;
  color: #e2e8f0;
  line-height: 1.5;
}

.stock-urgency-box {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.urgency-left {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #fde68a;
  font-size: 0.9rem;
}

.urgency-left strong {
  color: #fff;
}

.urgency-pulse {
  width: 10px;
  height: 10px;
  background-color: var(--accent-gold);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-gold);
  animation: pulse-ring 1.5s infinite;
  flex-shrink: 0;
}

.urgency-right a {
  font-weight: 600;
  color: var(--accent-cyan-light);
}

@media (max-width: 960px) {
  .pricing-cards-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ==========================================================================
   FAQ & MODAL STYLES
   ========================================================================== */
.faq-search-box {
  max-width: 600px;
  margin: 0 auto 36px auto;
  position: relative;
}

.faq-search-box svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
}

.faq-search-box input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 14px 20px 14px 48px;
  color: #fff;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.faq-search-box input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 20px 24px;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}

.faq-arrow {
  color: var(--text-dim);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
  color: var(--accent-cyan-light);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), padding var(--transition-smooth);
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 24px 24px;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

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

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-smooth);
}

.modal-backdrop.open .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast);
  z-index: 10;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.modal-header {
  padding: 28px 36px 20px 36px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.checkout-step-pill {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
}

.modal-header h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
}

.modal-body-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
}

.checkout-form-side {
  padding: 32px 36px;
  border-right: 1px solid var(--border-subtle);
}

.checkout-summary-side {
  padding: 32px 36px;
  background: var(--bg-card);
}

.form-section-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-cyan-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: #cbd5e1;
  margin-bottom: 6px;
}

.form-group input, .form-group select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: #fff;
  font-size: 0.9rem;
}

.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--border-focus);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}

/* Payment tabs */
.payment-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.pay-tab {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pay-tab.active {
  background: rgba(14, 165, 233, 0.15);
  border-color: var(--accent-cyan);
  color: #fff;
}

.pay-content.hidden {
  display: none;
}

.bizum-prompt, .paypal-prompt {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.bizum-prompt input {
  margin-top: 10px;
  width: 100%;
  background: #020617;
  border: 1px solid var(--border-subtle);
  padding: 10px;
  border-radius: 6px;
  color: #fff;
}

/* Coupon Box */
.coupon-box {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.coupon-box label {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 6px;
}

.coupon-input-group {
  display: flex;
  gap: 8px;
}

.coupon-input-group input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: #fff;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.coupon-msg {
  display: block;
  font-size: 0.78rem;
  margin-top: 6px;
}

.coupon-msg.success {
  color: var(--accent-green);
}

.coupon-msg.error {
  color: var(--accent-red);
}

.checkout-guarantee-note {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-align: center;
  margin-top: 12px;
}

/* Summary Right */
.checkout-summary-side h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #fff;
}

.summary-product-item {
  display: flex;
  gap: 14px;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 20px;
}

.summary-thumb {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--border-subtle);
}

.summary-prod-info {
  flex: 1;
}

.summary-prod-info strong {
  display: block;
  font-size: 0.9rem;
  color: #fff;
}

.summary-prod-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.qty-selector-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.qty-selector-inline button {
  width: 24px;
  height: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: #fff;
  cursor: pointer;
}

.summary-price {
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
}

.summary-calc-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.calc-row {
  display: flex;
  justify-content: space-between;
}

.discount-val {
  color: var(--accent-green);
  font-weight: 700;
}

.shipping-val {
  color: var(--accent-green);
  font-weight: 700;
}

.calc-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 6px 0;
}

.total-row {
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
}

.total-price {
  color: var(--accent-cyan-light);
  font-size: 1.3rem;
}

.summary-perks {
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.summary-perks strong {
  color: #fff;
}

@media (max-width: 820px) {
  .modal-body-grid {
    grid-template-columns: 1fr;
  }
  .checkout-form-side {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    padding: 24px;
  }
  .checkout-summary-side {
    padding: 24px;
  }
}

/* Order Success Modal */
.success-modal-content {
  max-width: 540px;
  text-align: center;
  padding: 48px 36px;
}

.success-icon-animated {
  width: 72px;
  height: 72px;
  background: var(--accent-green);
  color: #fff;
  border-radius: 50%;
  font-size: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px auto;
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.4);
}

.success-modal-content h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}

.success-sub {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.order-receipt-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 28px;
  text-align: left;
}

.receipt-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.88rem;
  color: var(--text-muted);
}

.receipt-row:last-child {
  border-bottom: none;
}

.receipt-row strong {
  color: #fff;
}

.tracking-code {
  font-family: var(--font-mono);
  color: var(--accent-cyan-light);
  font-weight: 700;
}

.success-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* Floating Buy Bar & Toast */
.floating-buy-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(11, 18, 34, 0.95);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border-accent);
  padding: 12px 0;
  z-index: 900;
  transform: translateY(120%);
  transition: transform var(--transition-smooth);
}

.floating-buy-bar.visible {
  transform: translateY(0);
}

.float-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.float-product {
  display: flex;
  align-items: center;
  gap: 14px;
}

.float-thumb {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  object-fit: cover;
}

.float-product strong {
  display: block;
  font-size: 0.92rem;
  color: #fff;
}

.float-stock-tag {
  font-size: 0.75rem;
  color: var(--accent-green);
  font-weight: 600;
}

.float-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.float-price {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
}

.toast-notification {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #0f172a;
  border: 1px solid var(--border-accent);
  color: #fff;
  padding: 14px 22px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 3000;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
  pointer-events: none;
}

.toast-notification.active {
  transform: translateY(0);
  opacity: 1;
}

/* Footer */
.site-footer {
  background: #060913;
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 40px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.footer-about {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 320px;
}

.footer-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-badges span {
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.06);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  color: var(--text-dim);
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a, .footer-col span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-col a:hover {
  color: var(--accent-cyan-light);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-legal-links {
  display: flex;
  gap: 20px;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 580px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}