/* ==========================================================================
   MPLock - Modern Responsive Stylesheet
   Supports Dark & Light themes, Glassmorphism, and Accessible Typography
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

/* --- Theme Variables --- */
:root {
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

  /* Accent Colors */
  --accent-purple: #706fd3;
  --accent-purple-glow: rgba(112, 111, 211, 0.35);
  --accent-blue: #34ace0;
  --accent-blue-glow: rgba(52, 172, 224, 0.35);
  --accent-cyan: #00d2d3;
  --success: #2ecc71;
  --warning: #ff9f43;
  --danger: #ff5252;

  /* Transition timings */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* Layout */
  --container-max-width: 1180px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

/* Dark Theme (Default) */
[data-theme="dark"],
:root:not([data-theme="light"]) {
  color-scheme: dark;
  --bg-body: #0b0c16;
  --bg-gradient: none;
  --bg-surface: rgba(18, 20, 38, 0.75);
  --bg-surface-elevated: #131528;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.09);
  --glass-border-focus: rgba(255, 255, 255, 0.25);
  --glass-highlight: rgba(255, 255, 255, 0.04);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.72);
  --text-muted: rgba(255, 255, 255, 0.42);
  --nav-bg: rgba(11, 12, 22, 0.95);
  --code-bg: rgba(0, 0, 0, 0.4);
  --placeholder-bg: rgba(255, 159, 67, 0.18);
  --placeholder-border: rgba(255, 159, 67, 0.5);
  --placeholder-text: #ffb86c;
}

/* Light Theme */
[data-theme="light"] {
  color-scheme: light;
  --bg-body: #f8fafc;
  --bg-gradient: none;
  --bg-surface: rgba(255, 255, 255, 0.95);
  --bg-surface-elevated: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --glass-border: rgba(0, 0, 0, 0.09);
  --glass-border-focus: rgba(112, 111, 211, 0.4);
  --glass-highlight: rgba(0, 0, 0, 0.02);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --nav-bg: rgba(255, 255, 255, 0.95);
  --code-bg: #f1f5f9;
  --placeholder-bg: rgba(245, 158, 11, 0.12);
  --placeholder-border: rgba(245, 158, 11, 0.45);
  --placeholder-text: #d97706;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background glowing orbs disabled for clean solid security aesthetic */
.bg-glow-orb {
  display: none !important;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

.container-narrow {
  max-width: 860px;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-secondary);
}

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

a:hover {
  color: var(--accent-purple);
}

/* Placeholder badge - easily noticeable */
.placeholder-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.85em;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--placeholder-bg);
  border: 1px dashed var(--placeholder-border);
  color: var(--placeholder-text);
  word-break: break-all;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 100;
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

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

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
}

.brand-logo-img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 10px rgba(0, 210, 211, 0.35));
  transition: transform var(--transition-fast);
}

.brand-link:hover .brand-logo-img {
  transform: scale(1.06);
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 12px var(--accent-purple-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.btn-theme-toggle:hover {
  background: var(--bg-card-hover);
  border-color: var(--glass-border-focus);
}

.btn-mobile-menu {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  color: #ffffff !important;
  box-shadow: 0 4px 18px var(--accent-purple-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(112, 111, 211, 0.45);
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  color: var(--text-primary) !important;
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--glass-border-focus);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 15px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 80px 0 60px;
  text-align: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--glass-border);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 24px;
}

[data-theme="light"] .hero-pill {
  background: rgba(0, 0, 0, 0.04);
  color: #0369a1;
}

.hero-title {
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 22px;
  letter-spacing: -0.035em;
}

.gradient-text {
  color: var(--accent-cyan);
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: initial;
}

[data-theme="light"] .gradient-text {
  color: #1e3a8a;
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: initial;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-trust-notes {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 18px;
}

.hero-trust-notes span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   Hero Product Mockup UI
   ========================================================================== */
.mockup-wrapper {
  margin-top: 50px;
  position: relative;
}

.mockup-window {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(99, 102, 241, 0.15);
  overflow: hidden;
  max-width: 1024px;
  margin: 0 auto;
  text-align: left;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mockup-window:hover {
  transform: translateY(-2px);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6), 0 0 50px rgba(99, 102, 241, 0.22);
}

.mockup-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: inherit;
  object-fit: contain;
}

.mockup-titlebar {
  background: rgba(0, 0, 0, 0.25);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--glass-border);
}

.mockup-dots {
  display: flex;
  gap: 8px;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.mockup-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.mockup-body {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 380px;
}

.mockup-sidebar {
  background: rgba(0, 0, 0, 0.18);
  border-right: 1px solid var(--glass-border);
  padding: 16px;
}

.mockup-search {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.mockup-item {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 4px;
}

.mockup-item.active {
  background: rgba(112, 111, 211, 0.18);
  border: 1px solid var(--accent-purple);
  color: #ffffff;
}

.mockup-item-title {
  font-weight: 600;
}

.mockup-item-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.mockup-main {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.mockup-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 14px;
}

.mockup-detail-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.mockup-badge-pro {
  background: rgba(46, 204, 113, 0.15);
  border: 1px solid rgba(46, 204, 113, 0.4);
  color: var(--success);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
}

.mockup-field-group {
  background: rgba(0, 0, 0, 0.12);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mockup-field-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.mockup-field-val {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-primary);
}

.mockup-totp-badge {
  background: rgba(52, 172, 224, 0.15);
  border: 1px solid rgba(52, 172, 224, 0.35);
  color: var(--accent-blue);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

/* Mockup Illustrative Verification Console */
.mockup-verify-strip {
  background: rgba(0, 0, 0, 0.35);
  border-bottom: 1px solid var(--glass-border);
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

[data-theme="light"] .mockup-verify-strip {
  background: rgba(0, 0, 0, 0.04);
}

.mockup-verify-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.mockup-verify-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-cyan);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.mockup-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  display: inline-block;
}

.mockup-pulse-dot.verifying {
  background: var(--warning);
  box-shadow: 0 0 8px var(--warning);
  animation: pulseVerification 1s infinite alternate;
}

@keyframes pulseVerification {
  from { opacity: 0.4; }
  to { opacity: 1; }
}

.mockup-verify-status {
  font-weight: 700;
  color: var(--success);
  background: rgba(46, 204, 113, 0.12);
  border: 1px solid rgba(46, 204, 113, 0.3);
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.03em;
}

.mockup-verify-status.verifying {
  color: var(--warning);
  background: rgba(255, 159, 67, 0.12);
  border-color: rgba(255, 159, 67, 0.3);
}

.mockup-verify-meta {
  color: var(--text-muted);
  font-size: 0.72rem;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.mockup-verify-disclaimer {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-family: var(--font-sans);
  font-style: italic;
  opacity: 0.85;
  margin-top: 2px;
}

/* ==========================================================================
   Section Layouts
   ========================================================================== */
.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-purple);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  margin-bottom: 16px;
  letter-spacing: -0.025em;
}

.section-desc {
  font-size: 1.05rem;
  line-height: 1.6;
}

/* ==========================================================================
   Problem & Solution Cards (Refined Technical Columns)
   ========================================================================== */
.prob-sol-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.card-comparison {
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  position: relative;
}

.card-comparison.cloud {
  background: rgba(255, 82, 82, 0.03);
  border-color: rgba(255, 82, 82, 0.16);
}

.card-comparison.mplock {
  background: rgba(46, 204, 113, 0.03);
  border-color: rgba(46, 204, 113, 0.28);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
}

[data-theme="light"] .card-comparison.cloud {
  background: rgba(255, 82, 82, 0.04);
}

[data-theme="light"] .card-comparison.mplock {
  background: rgba(46, 204, 113, 0.05);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.comparison-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  align-self: flex-start;
  text-transform: uppercase;
}

.comparison-badge.cloud-badge {
  background: rgba(255, 82, 82, 0.12);
  border: 1px solid rgba(255, 82, 82, 0.3);
  color: var(--danger);
}

.comparison-badge.mplock-badge {
  background: rgba(46, 204, 113, 0.12);
  border: 1px solid rgba(46, 204, 113, 0.3);
  color: var(--success);
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.comparison-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 20px;
}

.comparison-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.icon-bad {
  color: var(--danger);
  flex-shrink: 0;
  margin-top: 2px;
}

.icon-good {
  color: var(--success);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   Features Grid (Asymmetric Modular / Bento Architecture)
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  position: relative;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-focus);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.25);
}

/* Asymmetric widths */
.feature-card.col-7 {
  grid-column: span 7;
}

.feature-card.col-5 {
  grid-column: span 5;
}

.feature-card.col-6 {
  grid-column: span 6;
}

.feature-card-primary {
  background: linear-gradient(145deg, rgba(112, 111, 211, 0.08) 0%, var(--bg-card) 100%);
  border-color: rgba(112, 111, 211, 0.28);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

[data-theme="light"] .feature-card-primary {
  background: linear-gradient(145deg, rgba(112, 111, 211, 0.05) 0%, #ffffff 100%);
}

.feature-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.feature-tech-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent-cyan);
  background: rgba(0, 210, 211, 0.08);
  border: 1px solid rgba(0, 210, 211, 0.25);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(112, 111, 211, 0.14);
  border: 1px solid rgba(112, 111, 211, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-purple);
}

.feature-title {
  font-size: 1.22rem;
  margin-bottom: 10px;
  letter-spacing: -0.015em;
}

.feature-desc {
  font-size: 0.94rem;
  line-height: 1.62;
}

/* ==========================================================================
   Security Section (Console Cells & Metrics)
   ========================================================================== */
.security-box {
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 44px;
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 36px 0;
}

.security-stat {
  background: var(--code-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.security-stat:hover {
  border-color: var(--glass-border-focus);
  transform: translateY(-2px);
}

.security-stat-val {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: -0.01em;
}

.security-stat-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.security-whitepaper-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  padding: 10px 22px;
  background: var(--code-bg);
  border: 1px dashed var(--glass-border-focus);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  cursor: default;
  user-select: none;
}

.security-whitepaper-badge svg {
  color: var(--accent-purple);
  flex-shrink: 0;
}

/* ==========================================================================
   Pricing Table
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 38px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.pricing-card.featured {
  border: 2px solid var(--accent-purple);
  box-shadow: 0 16px 40px var(--accent-purple-glow);
  background: linear-gradient(180deg, rgba(112, 111, 211, 0.08) 0%, var(--bg-surface) 100%);
}

.pricing-card:hover {
  transform: translateY(-4px);
}

.pricing-badge-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  white-space: nowrap;
}

.pricing-tier-name {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.pricing-tier-desc {
  font-size: 0.9rem;
  margin-bottom: 22px;
  min-height: 42px;
}

.pricing-price-box {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--glass-border);
}

.pricing-amount {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

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

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

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Download & Installation Guides
   ========================================================================== */
.download-card {
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.smartscreen-alert {
  background: rgba(255, 159, 67, 0.08);
  border: 1px solid rgba(255, 159, 67, 0.35);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  text-align: left;
  margin-top: 36px;
  display: flex;
  gap: 16px;
}

.smartscreen-icon {
  font-size: 1.6rem;
  color: var(--warning);
  flex-shrink: 0;
}

.smartscreen-content h4 {
  font-size: 1rem;
  color: var(--warning);
  margin-bottom: 6px;
}

.smartscreen-content p {
  font-size: 0.88rem;
  line-height: 1.55;
}

.smartscreen-steps {
  margin-top: 8px;
  padding-left: 18px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.extension-guide {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 28px;
  text-align: left;
}

.extension-guide h4 {
  font-size: 1.05rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.extension-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 14px;
}

.step-card {
  background: var(--code-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.step-card:hover {
  border-color: var(--glass-border-focus);
}

.step-card h5 {
  font-size: 0.95rem;
  margin-bottom: 2px;
  color: var(--accent-blue);
}

.step-card ol {
  padding-left: 18px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ==========================================================================
   FAQ Accordion
   ========================================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 800px;
  margin: 0 auto;
}

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

.faq-item:hover {
  border-color: var(--glass-border-focus);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

.faq-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-normal);
  flex-shrink: 0;
  color: var(--accent-blue);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out, padding var(--transition-normal);
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  padding: 0 24px 22px 24px;
  max-height: 400px;
}

.faq-answer p {
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--glass-border);
  background: var(--nav-bg);
  padding: 60px 0 30px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 0.9rem;
  margin-top: 14px;
  max-width: 320px;
}

.footer-col h5 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  margin-bottom: 18px;
}

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

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Legal Pages Specific Styles
   ========================================================================== */
.legal-header {
  padding: 60px 0 30px;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 40px;
}

.legal-header h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 12px;
}

.legal-meta {
  display: flex;
  gap: 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.legal-content {
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 44px;
  backdrop-filter: blur(12px);
  margin-bottom: 60px;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin-top: 36px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--glass-border);
}

.legal-content h2:first-of-type {
  margin-top: 0;
}

.legal-content h3 {
  font-size: 1.2rem;
  margin-top: 24px;
  margin-bottom: 10px;
}

.legal-content p, .legal-content li {
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.legal-content ul, .legal-content ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.legal-callout {
  background: rgba(112, 111, 211, 0.08);
  border-left: 4px solid var(--accent-purple);
  padding: 16px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 24px 0;
}

.legal-callout p {
  margin-bottom: 0;
  color: var(--text-primary);
}

/* Navigation CTA visibility */
.nav-mobile-cta {
  display: none;
}

.nav-desktop-cta {
  display: inline-flex;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 900px) {
  .mockup-body {
    grid-template-columns: 1fr;
  }
  .mockup-sidebar {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-card.col-7,
  .feature-card.col-5,
  .feature-card.col-6 {
    grid-column: span 1;
  }
  .security-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* Navigation */
  .nav-desktop-cta {
    display: none;
  }

  .nav-mobile-cta {
    display: block;
    width: 100%;
    margin-top: 10px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--bg-body);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--glass-border);
    gap: 18px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  }

  .nav-links.active {
    display: flex;
  }

  .btn-mobile-menu {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Buttons & Tap Targets */
  .btn {
    white-space: normal;
    text-align: center;
  }

  .btn-lg {
    padding: 13px 20px;
    font-size: 0.95rem;
  }

  /* Hero Section */
  .hero-section {
    padding: 44px 0 32px;
  }

  .hero-pill {
    font-size: 0.78rem;
    padding: 6px 12px;
    line-height: 1.4;
    max-width: 100%;
  }

  .hero-title {
    font-size: clamp(1.7rem, 6.8vw, 2.2rem);
    line-height: 1.2;
    word-break: normal;
    overflow-wrap: break-word;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.55;
    margin-bottom: 24px;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .hero-trust-notes {
    flex-direction: column;
    gap: 8px;
    font-size: 0.8rem;
    align-items: center;
  }

  /* Mockup */
  .mockup-wrapper {
    margin-top: 32px;
  }

  .mockup-window {
    border-radius: var(--radius-md);
  }

  .mockup-titlebar {
    padding: 10px 14px;
  }

  .mockup-titlebar div:last-child {
    display: none;
  }

  .mockup-title {
    font-size: 0.75rem;
  }

  .mockup-main {
    padding: 18px 14px;
    gap: 14px;
  }

  .mockup-detail-header {
    padding-bottom: 10px;
  }

  .mockup-detail-title {
    font-size: 1.05rem;
  }

  .mockup-badge-pro {
    font-size: 0.7rem;
    padding: 2px 6px;
  }

  .mockup-field-group {
    padding: 10px 12px;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .mockup-field-group > span {
    align-self: flex-end;
  }

  .mockup-field-val {
    font-size: 0.85rem;
    word-break: break-all;
  }

  .mockup-totp-badge {
    font-size: 0.95rem;
    letter-spacing: 1px;
    padding: 3px 8px;
  }

  /* Problem & Solution */
  .prob-sol-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .card-comparison {
    padding: 22px 16px;
  }

  .card-title {
    font-size: 1.2rem;
  }

  .comparison-list {
    gap: 12px;
    margin-top: 16px;
  }

  .comparison-list li {
    font-size: 0.88rem;
    gap: 10px;
  }

  /* Features */
  .section {
    padding: 56px 0;
  }

  .section-header {
    margin-bottom: 36px;
  }

  .section-title {
    font-size: clamp(1.5rem, 5vw, 1.9rem);
  }

  .section-desc {
    font-size: 0.95rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card {
    padding: 22px 18px;
  }

  .feature-card.col-7,
  .feature-card.col-5,
  .feature-card.col-6 {
    grid-column: span 1;
  }

  /* Security */
  .security-box {
    padding: 24px 16px;
  }

  .security-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    margin: 20px 0;
  }

  .security-stat {
    padding: 16px 14px;
  }

  .security-stat-val {
    font-size: 1.15rem;
  }

  .security-whitepaper-link,
  .security-whitepaper-badge {
    width: 100%;
    font-size: 0.82rem;
    padding: 10px 12px;
    justify-content: center;
    text-align: center;
  }

  /* Pricing */
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 420px;
    margin: 0 auto;
  }

  .pricing-card {
    padding: 28px 18px;
  }

  .pricing-amount {
    font-size: 2rem;
  }

  .pricing-price-box {
    flex-wrap: wrap;
    gap: 6px;
  }

  .pricing-features li {
    font-size: 0.88rem;
    gap: 8px;
  }

  /* Download & Guides */
  .download-card {
    padding: 24px 16px;
  }

  .smartscreen-alert {
    flex-direction: column;
    gap: 10px;
    padding: 16px;
  }

  .smartscreen-icon {
    font-size: 1.3rem;
  }

  .extension-guide {
    padding: 16px;
  }

  .extension-steps-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  /* FAQ Accordion - Accessible Tap Targets */
  .faq-question {
    padding: 16px 14px;
    font-size: 0.95rem;
    min-height: 52px;
  }

  .faq-answer {
    padding: 0 14px;
  }

  .faq-item.active .faq-answer {
    padding: 0 14px 16px 14px;
  }

  .faq-answer p {
    font-size: 0.88rem;
    line-height: 1.6;
  }

  /* Footer */
  .site-footer {
    padding: 40px 0 24px;
    margin-top: 50px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .legal-content {
    padding: 24px 16px;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero-title {
    font-size: 1.65rem;
  }
}