/* ==========================================================================
   PrivacyBlur Plus — Modern Dark Glassmorphic Design System
   ========================================================================== */

:root {
  --bg-dark: #020617;
  --bg-card: #0b0f19;
  --bg-card-glass: rgba(15, 23, 42, 0.7);
  --bg-card-hover: rgba(30, 41, 59, 0.7);
  --border-subtle: rgba(51, 65, 85, 0.5);
  --border-glow: rgba(99, 102, 241, 0.4);
  --border-active: rgba(99, 102, 241, 0.8);
  
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.35);
  
  --emerald: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.25);
  --rose: #f43f5e;
  --amber: #f59e0b;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Dynamic Ambient Glow Background */
.ambient-glow-1 {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18) 0%, rgba(168, 85, 247, 0.08) 50%, transparent 80%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow-2 {
  position: absolute;
  top: 1400px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(16, 185, 129, 0.05) 50%, transparent 80%);
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow-3 {
  position: absolute;
  top: 2800px;
  left: -150px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.1) 0%, transparent 70%);
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}

/* Background Grid Pattern */
.bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 40%, transparent 85%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background-color: rgba(2, 6, 23, 0.8);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 0;
  transition: all 0.3s ease;
}

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

.logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.2));
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px var(--primary-glow);
  position: relative;
}

.logo-plus {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #0f172a;
  border: 1.5px solid var(--primary-light);
  color: #fff;
  font-size: 10px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  box-shadow: 0 0 6px rgba(99, 102, 241, 0.5);
}

.pro-badge {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
  border: 1px solid var(--border-glow);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 10px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 20px var(--primary-glow);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.8);
  color: var(--text-main);
  padding: 10px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid var(--border-subtle);
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(30, 41, 59, 0.8);
  border-color: var(--text-dim);
  transform: translateY(-2px);
}

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

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-light);
  border: 1px solid var(--border-glow);
  margin-bottom: 24px;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 8px var(--emerald);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: #fff;
}

.hero-gradient-text {
  background: linear-gradient(135deg, #fff 20%, var(--primary-light) 65%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
  font-weight: 400;
}

.hero-cta-group {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.guarantee-row {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 500;
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.guarantee-item svg {
  color: var(--emerald);
  width: 16px;
  height: 16px;
}

/* Interactive Simulator / Playground */
.demo-section {
  margin: 50px auto 100px;
  max-width: 960px;
}

.demo-card {
  background: var(--bg-card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 40px rgba(99, 102, 241, 0.1);
  backdrop-filter: blur(20px);
}

.demo-header {
  background: rgba(2, 6, 23, 0.8);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.demo-browser-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.demo-browser-url {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 4px 14px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.demo-toolbar-controls {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mode-selector {
  display: flex;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 3px;
  gap: 2px;
}

.mode-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mode-btn.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px var(--primary-glow);
}

.toggle-switch-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  background: #334155;
  border-radius: 9999px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.toggle-switch.active {
  background: var(--primary);
}

.toggle-switch-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch.active .toggle-switch-thumb {
  transform: translateX(20px);
}

.demo-body {
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

@media (max-width: 768px) {
  .demo-body {
    grid-template-columns: 1fr;
    padding: 20px;
  }
}

.demo-panel {
  background: rgba(2, 6, 23, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 24px;
}

.demo-panel-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.input-field-group {
  margin-bottom: 16px;
}

.input-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.demo-input {
  width: 100%;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 10px 14px;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  outline: none;
  transition: all 0.2s ease;
}

.demo-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

/* Simulator Presentational Masking Classes */
.masked-blur {
  color: transparent !important;
  text-shadow: 0 0 7px rgba(160, 170, 200, 0.95), 0 0 14px rgba(160, 170, 200, 0.6) !important;
  caret-color: transparent !important;
  user-select: none;
}

.masked-redact {
  color: transparent !important;
  background-color: #0f172a !important;
  caret-color: transparent !important;
  border-radius: 4px;
}

.masked-hide {
  color: transparent !important;
  caret-color: transparent !important;
}

.masked-partial {
  -webkit-text-security: disc;
  text-security: disc;
}

.text-sample-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 16px;
  font-size: 0.9rem;
  line-height: 1.7;
}

/* Feature Cards Grid */
.features-section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: #fff;
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 32px;
  backdrop-filter: blur(12px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 25px rgba(99, 102, 241, 0.15);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(168, 85, 247, 0.1));
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  margin-bottom: 20px;
}

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

.feature-card-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Protection Modes Grid */
.modes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.mode-preview-card {
  background: var(--bg-card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  transition: all 0.2s ease;
}

.mode-preview-card:hover {
  border-color: var(--primary-light);
}

.mode-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
  margin-bottom: 16px;
}

.mode-sample-box {
  background: rgba(2, 6, 23, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* Comparison Table */
.comparison-table-wrapper {
  background: var(--bg-card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  overflow: hidden;
  margin-top: 40px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.comparison-table th, .comparison-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table th {
  background: rgba(2, 6, 23, 0.9);
  color: #fff;
  font-weight: 700;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.highlight-col {
  background: rgba(99, 102, 241, 0.08);
  border-left: 1px solid var(--border-glow);
  border-right: 1px solid var(--border-glow);
}

th.highlight-col {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
}

.check-icon {
  color: var(--emerald);
  font-weight: bold;
}

.cross-icon {
  color: var(--rose);
  font-weight: bold;
}

/* FAQ Grid (Row / Multi-column Layout) */
.faq-section {
  padding: 80px 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 840px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

.faq-item {
  background: var(--bg-card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(12px);
}

.faq-item:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 20px rgba(99, 102, 241, 0.1);
}

.faq-item.active {
  border-color: var(--primary-light);
  background: rgba(15, 23, 42, 0.85);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 25px rgba(99, 102, 241, 0.2);
}

.faq-question {
  width: 100%;
  padding: 22px 24px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  line-height: 1.4;
}

.faq-question svg {
  color: var(--primary-light);
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

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

.faq-answer {
  padding: 0 24px 22px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  display: none;
  border-top: 1px solid rgba(51, 65, 85, 0.3);
  padding-top: 16px;
}

.faq-item.active .faq-answer {
  display: block;
}

/* CTA Banner */
.cta-banner {
  margin: 80px 0 100px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(168, 85, 247, 0.15) 100%);
  border: 1px solid var(--border-glow);
  border-radius: 28px;
  padding: 60px 40px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(99, 102, 241, 0.15);
  position: relative;
  overflow: hidden;
}

/* Footer */
.footer {
  background: rgba(2, 6, 23, 0.95);
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
}

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

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: #fff;
}

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

/* ==========================================================================
   Breadcrumbs & Article Subpages
   ========================================================================== */
.breadcrumb-nav {
  margin-bottom: 24px;
  font-size: 0.85rem;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  flex-wrap: wrap;
}

.breadcrumb-list a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb-list a:hover {
  color: var(--primary-light);
}

.breadcrumb-separator {
  color: var(--text-dim);
}

.breadcrumb-current {
  color: #fff;
  font-weight: 500;
}

.article-hero {
  padding: 40px 0 30px;
  text-align: left;
}

.article-body {
  color: var(--text-muted);
  font-size: 1.02rem;
  line-height: 1.8;
}

.article-body h2 {
  color: #fff;
  font-size: 1.45rem;
  font-weight: 700;
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.article-body h3 {
  color: #e2e8f0;
  font-size: 1.15rem;
  font-weight: 600;
  margin: 24px 0 10px;
}

.article-body p {
  margin-bottom: 18px;
}

.article-body ul, .article-body ol {
  padding-left: 24px;
  margin-bottom: 22px;
}

.article-body li {
  margin-bottom: 8px;
}

.callout-box {
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid var(--border-glow);
  border-left: 4px solid var(--primary-light);
  border-radius: 12px;
  padding: 20px 24px;
  margin: 28px 0;
}

.callout-box h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 8px;
}

.checklist-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0;
}

.checklist-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all 0.2s ease;
}

.checklist-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.checklist-check {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--emerald);
  color: var(--emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 32px 0;
}

.usecase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 28px 24px;
  transition: all 0.25s ease;
}

.usecase-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.1);
  transform: translateY(-3px);
}

.step-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin: 36px 0;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 28px 22px;
  position: relative;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  color: #818cf8;
  opacity: 0.5;
  margin-bottom: 12px;
}