/* ============================================
   BoostBizzSync — Global Styles
   Cyber-Corporate Intelligence Design System
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* Colors - Primary Palette */
  --bg-primary: #F5F8FF;
  --bg-secondary: #EDF1FD;
  --bg-dark: #0B1A44;
  --bg-dark-card: #0B1326;
  --bg-dark-elevated: #131B2E;
  --bg-dark-surface: #171F33;
  --bg-dark-high: #222A3D;
  --bg-dark-highest: #2D3449;

  /* Accent Colors */
  --accent-primary: #2D6AFF;
  --accent-primary-hover: #1a54e8;
  --accent-secondary: #00E5FF;
  --accent-tertiary: #585BE6;

  /* Text Colors */
  --text-primary: #0B1A44;
  --text-secondary: #3B4D73;
  --text-muted: #6B7FA3;
  --text-on-dark: #DAE2FD;
  --text-on-dark-variant: #C4C5D9;
  --text-inverse: #FFFFFF;

  /* Borders */
  --border-light: rgba(11, 26, 68, 0.08);
  --border-medium: rgba(11, 26, 68, 0.12);
  --border-dark: rgba(218, 226, 253, 0.12);
  --border-glow: rgba(45, 106, 255, 0.25);

  /* Shadows */
  --shadow-card: 0 10px 30px rgba(13, 26, 77, 0.08);
  --shadow-card-hover: 0 20px 50px rgba(13, 26, 77, 0.14);
  --shadow-button: 0 2px 10px rgba(45, 106, 255, 0.18);
  --shadow-button-hover: 0 6px 24px rgba(45, 106, 255, 0.28);

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Font Sizes */
  --text-xs: 12px;
  --text-sm: 13px;
  --text-base: 14px;
  --text-md: 16px;
  --text-lg: 18px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 32px;
  --text-4xl: 40px;
  --text-5xl: 48px;
  --text-6xl: 56px;
  --text-7xl: 64px;
  --text-8xl: 72px;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Layout */
  --container-max: 1280px;
  --gutter: 24px;
  --gutter-desktop: 64px;
  --gutter-mobile: 20px;
  --section-gap: 120px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 14px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--text-secondary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

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

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

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

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

ul, ol {
  list-style: none;
}

/* ============================================
   Typography System
   ============================================ */
.heading-1 {
  font-family: var(--font-heading);
  font-size: clamp(40px, 5.6vw, 72px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.heading-2 {
  font-family: var(--font-heading);
  font-size: clamp(32px, 3.4vw, 56px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.heading-3 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 2vw, 32px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.heading-4 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

.body-lg {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  line-height: 1.75;
  color: var(--text-secondary);
}

.body-md {
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: 1.65;
  color: var(--text-secondary);
}

.body-sm {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--text-muted);
}

.label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-primary);
}

.label-dark {
  color: var(--accent-secondary);
}

/* ============================================
   Layout Utilities
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter-desktop);
}

.section {
  position: relative;
  width: 100%;
  padding: var(--section-gap) 0;
}

.section-sm {
  padding: var(--space-16) 0;
}

.section-lg {
  padding: 160px 0;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

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

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.grid {
  display: grid;
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

.gap-8 {
  gap: var(--space-8);
}

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

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

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-button);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  transform: translateY(-2px) scale(1.01);
  box-shadow: var(--shadow-button-hover);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-ghost:hover {
  background: var(--bg-secondary);
  border-color: var(--accent-primary);
}

.btn-dark {
  background: var(--bg-dark);
  color: var(--text-inverse);
  border: 1px solid rgba(255,255,255,0.1);
}

.btn-dark:hover {
  background: #16255a;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: var(--text-xs);
}

.btn-lg {
  padding: 16px 32px;
  font-size: var(--text-md);
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.card-dark {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  border: 1px solid rgba(255,255,255,0.06);
}

.card-elevated {
  background: #FFFFFF;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light);
}

.card-elevated:hover {
  box-shadow: var(--shadow-card-hover);
}

.card-highlight {
  border: 2px solid var(--accent-primary);
  position: relative;
}

.card-highlight::before {
  content: 'MOST POPULAR';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-primary);
  color: white;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 4px 16px;
  border-radius: var(--radius-full);
}

/* Glassmorphism Card */
.card-glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-top: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(13, 26, 77, 0.06);
}

/* ============================================
   Form Elements
   ============================================ */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(45, 106, 255, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

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

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.form-group {
  margin-bottom: var(--space-5);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 var(--gutter-desktop);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(245, 248, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border-light);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.navbar-brand span {
  color: var(--accent-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-primary);
  border-radius: 1px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-contact {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-contact:hover {
  color: var(--accent-primary);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--transition-base);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  z-index: 999;
  padding: var(--space-8);
  flex-direction: column;
  gap: var(--space-6);
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-light);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-secondary);
  padding: var(--space-16) 0 var(--space-8);
  border-top: 1px solid var(--border-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.footer-brand span {
  color: var(--accent-primary);
}

.footer-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: 280px;
  line-height: 1.7;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  letter-spacing: 0.02em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-light);
}

.footer-copyright {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social a {
  font-size: var(--text-sm);
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-social a:hover {
  color: var(--accent-primary);
}

/* ============================================
   Section Components
   ============================================ */

/* Section Header */
.section-header {
  max-width: 640px;
  margin-bottom: var(--space-12);
}

.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: var(--space-4);
}

.section-pill::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-primary);
  border-radius: 50%;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

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

.stat-value {
  font-family: var(--font-heading);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Logo Row */
.logo-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-12);
  flex-wrap: wrap;
}

.logo-item {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  opacity: 0.6;
  transition: opacity var(--transition-base);
}

.logo-item:hover {
  opacity: 1;
  color: var(--text-primary);
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.feature-card {
  padding: var(--space-8);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  font-size: var(--text-xl);
}

.feature-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.feature-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Pricing Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

.pricing-card {
  padding: var(--space-8);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: var(--bg-primary);
  transition: all var(--transition-base);
}

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

.pricing-name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.pricing-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.pricing-price {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.pricing-price span {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.pricing-feature::before {
  content: '\2713';
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(45, 106, 255, 0.1);
  color: var(--accent-primary);
  border-radius: 50%;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
}

/* Comparison Table */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-16);
}

.compare-table th,
.compare-table td {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--border-light);
}

.compare-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
  background: var(--bg-secondary);
}

.compare-table td {
  color: var(--text-secondary);
}

.compare-table td:first-child {
  font-weight: 500;
  color: var(--text-primary);
}

/* FAQ Accordion */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--text-primary);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}

.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
  padding: 0 var(--space-6);
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 var(--space-6) var(--space-5);
}

.faq-answer p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* CTA Banner */
.cta-banner {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-8);
  text-align: center;
  margin: 0 var(--gutter-desktop);
}

.cta-banner .heading-2 {
  margin-bottom: var(--space-4);
}

.cta-banner p {
  max-width: 520px;
  margin: 0 auto var(--space-8);
  color: var(--text-secondary);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Testimonial Cards */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.testimonial-card {
  padding: var(--space-8);
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.testimonial-stars {
  color: #F5A623;
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
  letter-spacing: 2px;
}

.testimonial-quote {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-name {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.testimonial-role {
  font-size: 11px;
  color: var(--text-muted);
}

/* Team Grid */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

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

.team-photo {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  filter: grayscale(100%);
  transition: filter var(--transition-base);
}

.team-card:hover .team-photo {
  filter: grayscale(0%);
}

.team-name {
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text-primary);
}

.team-role {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: var(--space-1);
}

/* Case Study Cards */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.case-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  background: var(--bg-primary);
}

.case-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.case-image {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.case-content {
  padding: var(--space-6);
}

.case-tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: var(--space-3);
}

.case-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.case-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.case-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.case-stat {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.case-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Spec Table */
.spec-table {
  width: 100%;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-light);
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.spec-value {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent-primary);
  border-radius: 3px;
  transition: width 1s ease;
}

/* Dark Theme Section */
.dark-section {
  background: var(--bg-dark);
  color: var(--text-on-dark);
}

.dark-section .heading-1,
.dark-section .heading-2,
.dark-section .heading-3,
.dark-section .heading-4 {
  color: var(--text-on-dark);
}

.dark-section .body-lg,
.dark-section .body-md {
  color: var(--text-on-dark-variant);
}

/* Security Badges */
.security-badges {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-10);
  flex-wrap: wrap;
}

.security-badge {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* Decorative Elements */
.corner-line {
  position: absolute;
  background: var(--accent-secondary);
  opacity: 0.6;
}

.corner-line-top {
  top: 0;
  left: 0;
  width: 40px;
  height: 2px;
}

.corner-line-left {
  top: 0;
  left: 0;
  width: 2px;
  height: 40px;
}

/* Energy Ring (decorative) */
.energy-ring {
  position: absolute;
  border: 2px solid var(--accent-secondary);
  border-radius: 50%;
  opacity: 0.12;
  filter: blur(6px);
  pointer-events: none;
}

/* Grain Overlay */
.grain-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Scroll Animations Base */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  :root {
    --gutter-desktop: 32px;
    --section-gap: 80px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .pricing-grid,
  .testimonial-grid,
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  :root {
    --gutter-desktop: 20px;
    --section-gap: 60px;
  }

  .navbar {
    padding: 0 var(--gutter);
  }

  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .nav-actions .btn {
    display: none;
  }

  .heading-1 {
    font-size: 36px;
  }

  .heading-2 {
    font-size: 28px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid,
  .testimonial-grid,
  .case-grid,
  .feature-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .cta-banner {
    margin: 0 var(--gutter);
    padding: var(--space-8) var(--space-5);
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }
}

@media (max-width: 480px) {
  .heading-1 {
    font-size: 32px;
  }

  .heading-2 {
    font-size: 24px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }

  .stat-value {
    font-size: 28px;
  }
}

/* ============================================
   Dark Section Overrides
   ============================================ */
.dark-section .navbar-brand,
.dark-section .nav-link {
  color: var(--text-on-dark);
}

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

.dark-section .nav-contact {
  color: var(--text-on-dark-variant);
}

.dark-section .mobile-menu-btn span {
  background: var(--text-on-dark);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Selection */
::selection {
  background: rgba(45, 106, 255, 0.2);
  color: var(--text-primary);
}