/* ==========================================================================
   BASTION ADVISORS GROUP — MODERN DESIGN SYSTEM & TOKEN ARCHITECTURE
   ========================================================================== */

:root {
  /* ------------------------------------------------------------------------
     1. Brand Palette & Surfaces
     ------------------------------------------------------------------------ */
  --bg-primary: #0a0d14;
  --bg-secondary: #101522;
  --bg-card: rgba(18, 24, 38, 0.75);
  --bg-card-hover: rgba(28, 38, 60, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(56, 189, 248, 0.4);
  
  /* ------------------------------------------------------------------------
     2. Text & Typography Colors (WCAG AA & AAA Compliant)
     ------------------------------------------------------------------------ */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;       /* > 7:1 contrast on dark card backgrounds */
  --text-muted: #94a3b8;           /* > 4.5:1 contrast on dark card backgrounds */
  --text-accent: #38bdf8;          /* Electric Cyan: 9.1:1 contrast */
  --text-highlight: #3b82f6;

  /* ------------------------------------------------------------------------
     3. Accents & Gradients
     ------------------------------------------------------------------------ */
  --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #2563eb 50%, #1d4ed8 100%);
  --accent-gradient-glow: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(37, 99, 235, 0.15));
  --hero-glow: radial-gradient(circle at 50% 20%, rgba(37, 99, 235, 0.25) 0%, rgba(10, 13, 20, 0) 70%);

  /* ------------------------------------------------------------------------
     4. 8-Point Spatial Grid Tokens
     ------------------------------------------------------------------------ */
  --space-3xs: 2px;
  --space-2xs: 4px;
  --space-xs:  8px;
  --space-sm:  12px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;

  /* ------------------------------------------------------------------------
     5. Typography System: Outfit (Headings) & Inter (Body)
     ------------------------------------------------------------------------ */
  --font-heading: 'Outfit', 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Modular Fluid Typographic Scale */
  --text-xs: clamp(0.75rem, 1.5vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 1.8vw, 0.9375rem);
  --text-base: clamp(1rem, 2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 2.2vw, 1.25rem);
  --text-xl: clamp(1.25rem, 2.5vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 3vw, 1.875rem);
  --text-3xl: clamp(1.875rem, 3.5vw, 2.25rem);
  --text-4xl: clamp(2.25rem, 4vw, 2.75rem);
  --text-5xl: clamp(2.75rem, 5vw, 3.75rem);
  --text-6xl: clamp(3.25rem, 6vw, 4.5rem);

  /* Line Heights */
  --leading-tight: 1.15;
  --leading-snug: 1.25;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* Letter Spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0em;
  --tracking-wide: 0.05em;
  --tracking-wider: 0.08em;

  /* ------------------------------------------------------------------------
     6. Border Radius, Shadows & Focus Rings (ADA Compliant)
     ------------------------------------------------------------------------ */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 12px 28px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.2);
  --shadow-glow-active: 0 0 35px rgba(56, 189, 248, 0.35);

  --focus-ring: 0 0 0 3px rgba(56, 189, 248, 0.45);

  /* ------------------------------------------------------------------------
     7. Interactive Timing & Easing
     ------------------------------------------------------------------------ */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Accessible Focus States */
:focus-visible {
  outline: 2px solid var(--text-accent);
  outline-offset: 3px;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--leading-snug);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
}

h1 { font-size: var(--text-5xl); line-height: var(--leading-tight); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

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

a:hover {
  color: #7dd3fc;
}

/* ==========================================================================
   CONTAINER & LAYOUT
   ========================================================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  width: 100%;
}

.text-center {
  text-align: center;
}

.section-secondary {
  background: var(--bg-secondary);
}

.grid-2-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

@media (max-width: 640px) {
  .grid-2-col {
    grid-template-columns: 1fr;
  }
}

/* Spacing Utilities */
.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

/* ==========================================================================
   SITE HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 13, 20, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

/* ADA Compliant Brand Logo Presentation */
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  border-radius: var(--radius-sm);
  padding: var(--space-2xs) var(--space-xs);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.brand-logo:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.brand-logo:focus-visible {
  outline: 2px solid var(--text-accent);
  outline-offset: 4px;
}

.brand-logo img {
  height: 44px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.45));
}

.brand-name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  padding: var(--space-xs) 0;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-accent);
}

.nav-cta {
  background: var(--accent-gradient);
  color: #ffffff !important;
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--text-sm);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(56, 189, 248, 0.5);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.75rem;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xs);
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  position: relative;
  padding: var(--space-5xl) 0 var(--space-4xl);
  background: var(--hero-glow);
  text-align: center;
  overflow: hidden;
}

.hero-content {
  max-width: 860px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-full);
  color: var(--text-accent);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-lg);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.hero-title {
  margin-bottom: var(--space-lg);
  background: linear-gradient(180deg, #ffffff 30%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2xl);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ==========================================================================
   BUTTONS (TOUCH TARGET CERTIFIED: >= 44PX)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-xl);
  min-height: 48px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  user-select: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.45);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 26px rgba(56, 189, 248, 0.55);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  border-color: var(--border-subtle);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   SECTIONS & GRIDS
   ========================================================================== */
.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto var(--space-3xl);
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
}

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

.grid-center-constrained {
  max-width: 860px;
  margin: 0 auto;
}

/* ==========================================================================
   CARDS & PROCESS BLOCKS
   ========================================================================== */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  box-shadow: var(--shadow-glow);
}

.card-center {
  text-align: center;
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-sm);
  background: var(--accent-gradient-glow);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-accent);
  margin-bottom: var(--space-lg);
}

.card-icon-center {
  margin: 0 auto var(--space-lg);
}

.card-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
}

.card-description {
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.card-list {
  list-style: none;
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-md);
}

.card-list li {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.card-list li strong {
  color: var(--text-secondary);
}

/* ==========================================================================
   TABS (ADVISORY TRACKS)
   ========================================================================== */
.tabs-nav {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.tab-btn {
  padding: var(--space-sm) var(--space-lg);
  min-height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.tab-btn.active {
  background: var(--accent-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
}

.tab-panel {
  display: none;
  animation: fadeIn 0.4s ease-in-out;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.process-step {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.process-num {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--text-accent);
  margin-bottom: var(--space-sm);
}

.process-quote {
  font-style: italic;
  color: var(--text-secondary);
  border-left: 3px solid var(--text-accent);
  padding-left: var(--space-md);
  margin-bottom: var(--space-md);
}

/* ==========================================================================
   PRICING SYSTEM
   ========================================================================== */
.pricing-switch {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.pricing-switch-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  padding: var(--space-xs) var(--space-lg);
  min-height: 44px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pricing-switch-btn.active {
  background: var(--accent-gradient);
  color: #ffffff;
  border-color: transparent;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.15) 0%, rgba(16, 21, 34, 0.85) 100%);
  border-color: var(--border-active);
  box-shadow: 0 0 30px rgba(37, 99, 235, 0.25);
  transform: scale(1.03);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: #ffffff;
  padding: var(--space-3xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.price-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-xs);
}

.price-val {
  font-size: var(--text-5xl);
  font-weight: 900;
  color: #ffffff;
}

.price-period {
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
  font-size: var(--text-sm);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-xl);
  flex-grow: 1;
}

.pricing-features li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
}

.pricing-features li.disabled {
  color: var(--text-muted);
  opacity: 0.5;
}

.pricing-card .btn {
  margin-top: auto;
}

.pricing-disclaimer {
  margin-top: var(--space-2xl);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
}

/* ==========================================================================
   TEAM SECTION
   ========================================================================== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-normal);
}

.team-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-glow);
}

.team-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--space-lg);
  border: 3px solid rgba(56, 189, 248, 0.4);
  box-shadow: var(--shadow-sm);
}

.team-name {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2xs);
}

.team-role {
  color: var(--text-accent);
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: var(--space-md);
}

.team-bio {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-lg);
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: var(--text-sm);
  min-height: 44px;
  padding: 0 var(--space-xs);
}

.social-link:hover {
  color: var(--text-accent);
}

/* ==========================================================================
   CONTACT FORM
   ========================================================================== */
.contact-wrapper {
  max-width: 680px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.form-input, .form-textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  min-height: 48px;
  background: rgba(10, 13, 20, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-select {
  background-color: #101522;
  color: #ffffff;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--text-accent);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.25);
}

.form-counter-wrapper {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-2xs);
}

.form-notice {
  margin-top: var(--space-md);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #06080d;
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-3xl) 0 var(--space-xl);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  margin-bottom: var(--space-md);
  padding: 0;
}

.footer-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.5));
}

.footer-col h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-md);
  color: #ffffff;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: var(--space-sm);
}

.footer-col ul li a {
  color: var(--text-muted);
  font-size: var(--text-sm);
  display: inline-block;
  min-height: 32px;
  line-height: 32px;
}

.footer-col ul li a:hover {
  color: var(--text-accent);
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: var(--space-lg);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ==========================================================================
   RESPONSIVE DESIGN SYSTEM
   ========================================================================== */
@media (max-width: 900px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: #0a0d14;
    flex-direction: column;
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border-subtle);
    gap: var(--space-md);
  }
  .nav-links.show {
    display: flex;
  }
  .mobile-toggle {
    display: flex;
  }
  .pricing-card.featured {
    transform: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}