/* ========================================================================
   DIGIA MARKETING - Complete Design System
   Dark Premium Theme | Digital Marketing Agency
   ======================================================================== */

/* ========================================
   1. CSS Reset (Modern Comprehensive)
   ======================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button {
  cursor: pointer;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

ul, ol {
  list-style: none;
}

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

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ========================================
   2. CSS Custom Properties
   ======================================== */

:root {
  /* Colors - Emerald Green Theme */
  --color-bg: #080B16;
  --color-bg-secondary: #0D1117;
  --color-bg-tertiary: #111827;
  --color-bg-card: rgba(255,255,255,0.03);
  --color-bg-card-hover: rgba(16,185,129,0.04);
  --color-accent: #10B981;
  --color-accent-hover: #059669;
  --color-accent-light: #34D399;
  --color-accent-glow: rgba(16,185,129,0.12);
  --color-accent-glow-strong: rgba(16,185,129,0.25);
  --color-text: #F1F5F9;
  --color-text-secondary: #94A3B8;
  --color-text-tertiary: #64748B;
  --color-border: rgba(255,255,255,0.07);
  --color-border-hover: rgba(16,185,129,0.25);
  --color-success: #10B981;
  --color-white: #FFFFFF;

  /* Spacing 8px base */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --space-9: 48px;
  --space-10: 56px;
  --space-11: 64px;
  --space-12: 80px;
  --space-13: 96px;
  --space-14: 112px;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.8125rem;
  --font-size-base: 0.9375rem;
  --font-size-md: 1.0625rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.5);
  --shadow-glow: 0 4px 20px rgba(16,185,129,0.3);
  --shadow-glow-lg: 0 8px 40px rgba(16,185,129,0.4);

  /* Z-index */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 500;
  --z-nav: 1000;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4,0,0.2,1);
  --transition-base: 0.3s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.5s cubic-bezier(0.4,0,0.2,1);

  /* Container */
  --container-max: 1200px;
  --container-padding: 24px;
}

/* ========================================
   3. Base Styles
   ======================================== */

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--color-text);
  overflow-x: hidden;
}

a {
  transition: color var(--transition-base);
}

/* ========================================
   4. Typography System
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 700;
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
}

p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-md);
  line-height: 1.7;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

/* ========================================
   5. Layout
   ======================================== */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ========================================
   6. Components
   ======================================== */

/* -- Buttons -- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 32px;
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  line-height: 1.4;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-lg);
}

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

.btn-outline:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
}

.btn-lg {
  padding: 16px 40px;
  font-size: var(--font-size-base);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-bg);
}

.btn-white:hover {
  background: #E2E8F0;
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

.btn svg,
.btn .btn-arrow {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-base);
}

.btn:hover svg,
.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* -- Badge -- */

.badge {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  background: var(--color-accent-glow);
  padding: 6px 14px;
  border-radius: var(--radius-full);
}

/* -- Cards (Glassmorphism) -- */

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover::before {
  opacity: 1;
}

.card--highlight {
  background: linear-gradient(180deg, var(--color-accent-glow) 0%, transparent 100%);
  text-align: center;
  padding: 48px 32px;
}

.card--feature {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 32px 20px;
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card--feature:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
  transform: translateY(-2px);
}

.card--value {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card--value:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
  transform: translateY(-4px);
}

/* -- Icon Box -- */

.icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.icon-box--sm {
  width: 36px;
  height: 36px;
}

.icon-box--lg {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
}

/* ========================================
   7. Navigation
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-nav);
  padding: 20px 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(8,11,22,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.navbar--hidden {
  transform: translateY(-100%);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.1rem;
}

.logo-accent {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-7);
}

.nav-links a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active:not(.btn) {
  color: var(--color-text);
}

.nav-cta {
  padding: 10px 24px !important;
  font-size: var(--font-size-sm) !important;
}

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

/* -- Mobile Toggle -- */

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  background: none;
  border: none;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   8. Hero Section
   ======================================== */

.hero {
  padding: 180px 0 100px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-glow);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  max-width: 800px;
  margin: 0 auto var(--space-5);
}

.hero-desc {
  max-width: 640px;
  margin: 0 auto var(--space-8);
  font-size: var(--font-size-lg);
}

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

/* ========================================
   9. Sections
   ======================================== */

.section {
  padding: var(--space-13) 0;
}

.section--no-top-padding {
  padding-top: 0;
}

.section--dark {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section--cta {
  padding: var(--space-14) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-11);
}

.section-header .badge {
  margin-bottom: var(--space-4);
}

.section-header h2 {
  margin-top: var(--space-3);
}

.section-subtitle {
  max-width: 640px;
  margin: var(--space-4) auto 0;
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
}

.section-desc {
  max-width: 640px;
  margin: var(--space-4) auto 0;
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
}

.divider {
  height: 1px;
  background: var(--color-border);
}

/* ========================================
   10. Services Grid
   ======================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.card h3 {
  margin-bottom: var(--space-3);
}

.card p {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-5);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  transition: gap var(--transition-base);
}

.card-link:hover {
  gap: 10px;
}

.card-link svg {
  width: 16px;
  height: 16px;
}

/* ========================================
   11. Features Grid
   ======================================== */

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.feature-item {
  padding: var(--space-7) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-bg-card);
  transition: all var(--transition-base);
}

.feature-item:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.feature-item h3 {
  margin-bottom: var(--space-2);
  font-size: 1.125rem;
}

.feature-item p {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

/* ========================================
   12. Process / How It Works
   ======================================== */

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-7);
}

.process-step {
  position: relative;
  padding: var(--space-8) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-bg-card);
  transition: all var(--transition-base);
}

.process-step:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
  transform: translateY(-4px);
}

.process-number {
  display: block;
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-accent-glow-strong);
  line-height: 1;
  margin-bottom: var(--space-5);
  background: linear-gradient(180deg, var(--color-accent), transparent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.process-step h3 {
  margin-bottom: var(--space-3);
}

.process-step p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* ========================================
   13. Channels
   ======================================== */

.channels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.channel-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-7) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-bg-card);
  transition: all var(--transition-base);
}

.channel-item:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
  transform: translateY(-2px);
}

.channel-icon {
  width: 56px;
  height: 56px;
  background: var(--color-accent-glow);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.channel-item h3 {
  font-size: 1.0625rem;
  margin-bottom: var(--space-2);
}

.channel-item p {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

/* ========================================
   14. Platforms
   ======================================== */

.platforms-section {
  padding: var(--space-11) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.platforms-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.platforms-header p {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-tertiary);
}

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

.platform-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.platform-item:hover {
  border-color: var(--color-border-hover);
  color: var(--color-text);
}

.platform-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
}

/* ========================================
   15. CTA Section
   ======================================== */

.cta-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  margin: var(--space-4) 0 var(--space-4);
}

.cta-content p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-8);
}

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

/* ========================================
   16. Page Header
   ======================================== */

.page-header {
  padding: 160px 0 60px;
  text-align: center;
}

.page-header h1 {
  margin-bottom: var(--space-4);
}

.page-header-desc {
  max-width: 700px;
  margin: 0 auto;
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

/* ========================================
   17. Tech Feature (alternating layout)
   ======================================== */

.tech-feature {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-11);
  align-items: start;
}

.tech-feature-visual {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: var(--space-4);
}

.tech-icon-large {
  width: 80px;
  height: 80px;
  background: var(--color-accent-glow);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.tech-feature-content .badge {
  margin-bottom: var(--space-4);
}

.tech-feature-content h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-4);
}

.tech-feature-content p {
  margin-bottom: var(--space-5);
}

/* -- Checklist -- */

.checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.checklist li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.check-icon {
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ========================================
   18. Values Grid
   ======================================== */

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.value-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  transition: all var(--transition-base);
}

.value-card:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
  transform: translateY(-4px);
}

.value-icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.value-card h3 {
  margin-bottom: var(--space-3);
}

.value-card p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* ========================================
   19. Contact
   ======================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-11);
  align-items: start;
}

.contact-info h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-4);
}

.contact-info > p {
  margin-bottom: var(--space-7);
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

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

.contact-item-icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-item-label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}

.contact-item a {
  color: var(--color-text);
  font-weight: 500;
}

.contact-item a:hover {
  color: var(--color-accent);
}

.quick-links h4 {
  margin-bottom: var(--space-3);
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.quick-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.quick-links a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

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

/* -- Contact Form -- */

.contact-form-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-row .form-group {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-base);
}

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

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2364748B' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--color-bg-secondary);
}

.form-submit {
  margin-top: var(--space-2);
}

/* ========================================
   20. FAQ
   ======================================== */

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  max-width: 1000px;
  margin: 0 auto;
}

.faq-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  transition: all var(--transition-base);
}

.faq-card:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
}

.faq-card h3 {
  font-size: 1.0625rem;
  margin-bottom: var(--space-3);
}

.faq-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ========================================
   21. Legal Pages
   ======================================== */

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.375rem;
  margin-top: var(--space-9);
  margin-bottom: var(--space-4);
}

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

.legal-content h3 {
  font-size: 1.125rem;
  margin-top: var(--space-7);
  margin-bottom: var(--space-3);
}

.legal-content p {
  margin-bottom: var(--space-4);
}

.legal-content ul {
  margin-bottom: var(--space-4);
  padding-left: var(--space-5);
}

.legal-content ul li {
  position: relative;
  padding-left: var(--space-5);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
}

.legal-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.legal-content a {
  color: var(--color-accent);
}

.legal-content a:hover {
  text-decoration: underline;
}

/* ========================================
   22. Footer
   ======================================== */

.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-8);
  background: var(--color-bg-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

.footer-brand p {
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  max-width: 280px;
}

.footer-col h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-5);
}

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

.footer-col a {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-7);
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  transition: color var(--transition-base);
}

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

/* ========================================
   23. Animations
   ======================================== */

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger .fade-up:nth-child(1) { transition-delay: 0s; }
.stagger .fade-up:nth-child(2) { transition-delay: 0.1s; }
.stagger .fade-up:nth-child(3) { transition-delay: 0.2s; }
.stagger .fade-up:nth-child(4) { transition-delay: 0.3s; }

/* ========================================
   24. Responsive
   ======================================== */

@media (max-width: 1024px) {
  .services-grid,
  .process-grid,
  .channels-grid,
  .values-grid,
  .faq-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-7);
  }

  .tech-feature {
    grid-template-columns: 1fr;
    gap: var(--space-7);
  }

  .tech-feature-visual {
    justify-content: flex-start;
  }

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

@media (max-width: 768px) {
  :root {
    --container-padding: 20px;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(8,11,22,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-7);
    z-index: calc(var(--z-nav) - 1);
  }

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

  .nav-links a {
    font-size: 1.25rem;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero {
    padding: 140px 0 60px;
  }

  .hero h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .services-grid,
  .process-grid,
  .channels-grid,
  .values-grid,
  .features-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-legal {
    flex-wrap: wrap;
    justify-content: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form-card {
    padding: 28px 20px;
  }

  .page-header {
    padding: 120px 0 40px;
  }

  .section {
    padding: var(--space-11) 0;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

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

  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }
}