/* ==========================================================================
   TECH VIP ENGINEER'S - Modern Formal Website Styles
   ========================================================================== */

/* CSS Custom Properties */
:root {
  /* Colors - Formal Dark Theme with Warm Accents */
  --color-bg: #0f0f12;
  --color-bg-elevated: #16161a;
  --color-bg-card: #1a1a20;
  --color-bg-hover: #1f1f28;
  --color-border: #2a2a35;
  --color-border-light: #3a3a48;
  
  --color-text: #f0f0f3;
  --color-text-muted: #9a9aa3;
  --color-text-subtle: #6b6b78;
  
  --color-primary: #00d4aa;
  --color-primary-hover: #00e8bb;
  --color-primary-dim: rgba(0, 212, 170, 0.1);
  --color-primary-glow: rgba(0, 212, 170, 0.4);
  
  --color-secondary: #6366f1;
  --color-secondary-hover: #818cf8;
  --color-secondary-dim: rgba(99, 102, 241, 0.1);
  
  --color-accent: #f59e0b;
  --color-accent-dim: rgba(245, 158, 11, 0.1);
  
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #00d4aa 0%, #00b8d4 100%);
  --gradient-secondary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --gradient-hero: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 170, 0.15) 0%, transparent 70%),
                     radial-gradient(ellipse 60% 40% at 80% 100%, rgba(99, 102, 241, 0.1) 0%, transparent 60%);
  --gradient-card: linear-gradient(145deg, rgba(26, 26, 32, 0.9) 0%, rgba(22, 22, 26, 0.7) 100%);
  --gradient-text: linear-gradient(135deg, #00d4aa 0%, #6366f1 100%);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(0, 212, 170, 0.15);
  --shadow-glow-lg: 0 0 80px rgba(0, 212, 170, 0.2);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Container */
  --container-max: 1280px;
  --container-padding: 1.5rem;
  
  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-toast: 500;
}

/* Light theme (optional) */
@media (prefers-color-scheme: light) {
  :root {
    --color-bg: #fafafa;
    --color-bg-elevated: #ffffff;
    --color-bg-card: #ffffff;
    --color-bg-hover: #f5f5f5;
    --color-border: #e5e5e5;
    --color-border-light: #d4d4d4;
    --color-text: #171717;
    --color-text-muted: #737373;
    --color-text-subtle: #a3a3a3;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

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

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

::selection {
  background: var(--color-primary-dim);
  color: var(--color-primary);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.5;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-lg);
}

.btn-primary:hover:not(:disabled)::before {
  opacity: 1;
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--color-bg-elevated);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-bg-hover);
  border-color: var(--color-border-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover:not(:disabled) {
  background: var(--color-primary-dim);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-full {
  width: 100%;
}

.btn-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

.spinner {
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(15, 15, 18, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(15, 15, 18, 0.95);
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: var(--z-fixed);
  color: #f0f0f3 !important;
}

.logo-image {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  padding: 2px;
  box-shadow: 
    0 0 20px rgba(0, 212, 170, 0.3),
    0 4px 12px rgba(0, 0, 0, 0.3);
  transition: all var(--transition-base);
}

.logo-image:hover {
  transform: scale(1.05);
  box-shadow: 
    0 0 30px rgba(0, 212, 170, 0.5),
    0 6px 16px rgba(0, 0, 0, 0.4);
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  color: #f0f0f3 !important;
  background: linear-gradient(135deg, #f0f0f3 0%, #00d4aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-main {
  color: #f0f0f3 !important;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.logo-sub {
  color: #00d4aa !important;
  font-weight: 600;
  text-shadow: 0 2px 8px rgba(0, 212, 170, 0.5);
  background: linear-gradient(135deg, #00d4aa 0%, #00b8d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Ensure nav logo link doesn't affect text color */
.nav-logo .logo-text,
.nav-logo .logo-main,
.nav-logo .logo-sub {
  color: inherit !important;
}

.footer-logo .logo-text,
.footer-logo .logo-main,
.footer-logo .logo-sub {
  color: inherit !important;
}

/* Footer logo image styling */
.footer-logo .logo-image {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  padding: 2px;
  box-shadow: 0 0 15px rgba(0, 212, 170, 0.2);
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transform: translateX(-50%);
  transition: width var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

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

.nav-cta {
  display: none;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
}

.hamburger {
  position: relative;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition-base);
}

.hamburger::before { top: -7px; }
.hamburger::after { bottom: -7px; }

.nav-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px var(--container-padding) var(--space-16);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--gradient-hero);
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  left: -200px;
  background: var(--color-primary);
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  bottom: -150px;
  right: -150px;
  background: var(--color-secondary);
  animation-delay: -10s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.grid-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}

.hero-content {
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  width: fit-content;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  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(0.8); }
}

.hero-title {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.title-line {
  display: block;
}

.title-accent {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: var(--space-8);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  padding: var(--space-6);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.hero-trust {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.trust-text {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
  margin-bottom: var(--space-3);
}

.trust-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
  opacity: 0.5;
  transition: opacity var(--transition-base);
}

.trust-logos:hover {
  opacity: 1;
}

.trust-logo {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  height: 500px;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.visual-card {
  position: absolute;
  width: 280px;
  padding: var(--space-6);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  transition: all var(--transition-slow);
}

.visual-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-light);
}

.card-glow {
  position: absolute;
  inset: -2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  opacity: 0;
  filter: blur(20px);
  transition: opacity var(--transition-base);
  z-index: -1;
}

.visual-card:hover .card-glow {
  opacity: 0.3;
}

.card-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon::before {
  content: '';
  width: 24px;
  height: 24px;
  background: var(--color-bg);
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
}

.web-icon::before { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Crect x='3' y='3' width='18' height='18' rx='2'/%3E%3Cpath d='M9 9h6v6H9z'/%3E%3C/svg%3E"); }
.app-icon::before { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Crect x='5' y='2' width='14' height='20' rx='2'/%3E%3Cpath d='M12 18h.01'/%3E%3C/svg%3E"); }
.marketing-icon::before { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M18 20V10M12 20V4M6 20v-6'/%3E%3C/svg%3E"); }
.security-icon::before { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z'/%3E%3C/svg%3E"); }
.ai-icon::before { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M12 2a10 10 0 1 0 10 10A10 10 0 0 0 12 2zm0 18a8 8 0 1 1 0-16 8 8 0 0 1 0 16z'/%3E%3Cpath d='M12 6v6l4 2'/%3E%3C/svg%3E"); }

.visual-card h3 {
  font-size: var(--text-lg);
  font-weight: 600;
}

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

.card-1 { top: 5%; left: 5%; }
.card-2 { top: 30%; right: 5%; }
.card-3 { top: 55%; left: 5%; }
.card-4 { top: 80%; right: 5%; }
.card-5 { bottom: 5%; left: 50%; transform: translateX(-50%); }

.floating-elements {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.float-item {
  position: absolute;
  border-radius: 50%;
  background: var(--gradient-primary);
  opacity: 0.1;
  animation: floatSlow 15s ease-in-out infinite;
}

.float-1 { width: 80px; height: 80px; top: 20%; left: 10%; animation-delay: 0s; }
.float-2 { width: 120px; height: 120px; top: 60%; right: 15%; animation-delay: -5s; }
.float-3 { width: 60px; height: 60px; bottom: 20%; left: 30%; animation-delay: -10s; }

@keyframes floatSlow {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(20px, -15px) rotate(90deg); }
  50% { transform: translate(-10px, 20px) rotate(180deg); }
  75% { transform: translate(15px, 10px) rotate(270deg); }
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-subtle);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  animation: bounce 2s ease-in-out infinite;
}

.hero-scroll svg {
  width: 24px;
  height: 24px;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ==========================================================================
   Section Styles
   ========================================================================== */
section {
  padding: var(--space-20) 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-12);
}

.section-header-left {
  text-align: left;
  margin: 0 0 var(--space-10);
  max-width: none;
}

.section-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-dim);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services {
  background: var(--color-bg-elevated);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.service-card {
  position: relative;
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-slow);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.03) 0%, rgba(99, 102, 241, 0.03) 100%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover::after {
  opacity: 1;
}

.service-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.service-icon {
  width: 28px;
  height: 28px;
  background: var(--color-bg);
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
}

.web-icon-large { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Crect x='3' y='3' width='18' height='18' rx='2'/%3E%3Cpath d='M9 9h6v6H9z'/%3E%3C/svg%3E"); }
.app-icon-large { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Crect x='5' y='2' width='14' height='20' rx='2'/%3E%3Cpath d='M12 18h.01'/%3E%3C/svg%3E"); }
.marketing-icon-large { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M18 20V10M12 20V4M6 20v-6'/%3E%3C/svg%3E"); }
.security-icon-large { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z'/%3E%3C/svg%3E"); }
.ai-icon-large { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M12 2a10 10 0 1 0 10 10A10 10 0 0 0 12 2zm0 18a8 8 0 1 1 0-16 8 8 0 0 1 0 16z'/%3E%3Cpath d='M12 6v6l4 2'/%3E%3C/svg%3E"); }

.service-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.service-description {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  line-height: 1.7;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.service-features li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.service-features svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.service-link:hover {
  gap: var(--space-3);
}

.service-link svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.service-link:hover svg {
  transform: translateX(4px);
}

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

.cta-content {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-10) var(--space-12);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
}

.cta-content h3 {
  font-size: var(--text-2xl);
}

.cta-content p {
  color: var(--color-text-muted);
  max-width: 400px;
}

/* ==========================================================================
   Careers Section
   ========================================================================== */
.careers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

.career-card {
  position: relative;
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-slow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.career-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.02) 0%, rgba(99, 102, 241, 0.02) 100%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.career-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-xl);
}

.career-card:hover::after {
  opacity: 1;
}

.career-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.career-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.career-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-dim);
  border-radius: var(--radius-full);
  width: fit-content;
  margin-bottom: var(--space-4);
}

.contract-badge {
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

.career-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-dim);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.career-icon svg {
  width: 24px;
  height: 24px;
}

.career-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.career-description {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-5);
  flex: 1;
}

.career-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.career-benefits li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.career-benefits li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.career-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.career-link.primary {
  color: var(--color-bg);
  background: var(--gradient-primary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  width: fit-content;
}

.career-link.primary:hover {
  gap: var(--space-2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.career-link:hover {
  gap: var(--space-3);
}

.career-link svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.career-link:hover svg {
  transform: translateX(4px);
}

.careers-process {
  padding: var(--space-10);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.process-title {
  text-align: center;
  font-size: var(--text-2xl);
  margin-bottom: var(--space-8);
}

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

.process-step {
  text-align: center;
  padding: var(--space-4);
  position: relative;
}

.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 24px;
  right: -50%;
  width: 100%;
  height: 1px;
  background: var(--color-border);
}

.step-number {
  display: inline-block;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: var(--color-bg);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 48px;
  margin-bottom: var(--space-3);
}

.process-step h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

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

/* ==========================================================================
   Courses Section
   ========================================================================== */
.courses-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
}

.filter-btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  color: var(--color-bg);
  background: var(--gradient-primary);
  border-color: transparent;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.course-card {
  position: relative;
  padding: var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-slow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.course-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.02) 0%, rgba(99, 102, 241, 0.02) 100%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.course-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-lg);
}

.course-card:hover::after {
  opacity: 1;
}

.course-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-dim);
  border-radius: var(--radius-full);
  width: fit-content;
  margin-bottom: var(--space-4);
}

.course-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  flex: 1;
}

.course-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  flex: 1;
}

.course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
}

.meta-item svg {
  width: 14px;
  height: 14px;
}

.course-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.course-link:hover {
  gap: var(--space-3);
}

.course-link svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.course-link:hover svg {
  transform: translateX(4px);
}

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

.cta-card {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-8) var(--space-10);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  max-width: 500px;
}

.cta-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-dim);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cta-icon svg {
  width: 28px;
  height: 28px;
}

.cta-card h3 {
  font-size: var(--text-xl);
  text-align: center;
}

.cta-card p {
  color: var(--color-text-muted);
  text-align: center;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
  background: var(--color-bg-elevated);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.value {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.value::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.03) 0%, rgba(99, 102, 241, 0.03) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.value:hover {
  border-color: var(--color-border-light);
  transform: translateX(4px);
  box-shadow: var(--shadow-lg);
}

.value:hover::after {
  opacity: 1;
}

.value-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-primary-dim);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.value-icon svg {
  width: 20px;
  height: 20px;
}

.value h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.value p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Work Approach Slider */
.work-approach-slider {
  margin-bottom: var(--space-10);
}

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

.slider-header h4 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.slider-subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

.approach-slider-track {
  position: relative;
  border-radius: var(--radius-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.approach-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.approach-slide.active {
  position: relative;
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.approach-slide::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.02) 0%, rgba(99, 102, 241, 0.02) 100%);
  pointer-events: none;
}

.slide-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
}

.slide-image img {
  width: 100%;
  height: 100%;
  min-height: 350px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.approach-slide:hover .slide-image img {
  transform: scale(1.05);
}

.slide-content {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-elevated) 100%);
}

.slide-number {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-dim);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  width: fit-content;
  margin-bottom: var(--space-3);
}

.slide-content h5 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.slide-content p {
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: var(--text-base);
}

.approach-slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.approach-slider-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.approach-slider-btn:hover:not(:disabled) {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-dim);
}

.approach-slider-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.approach-slider-btn svg {
  width: 20px;
  height: 20px;
}

.approach-slider-dots {
  display: flex;
  gap: var(--space-2);
}

.approach-slider-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  transition: all var(--transition-fast);
  border: none;
  padding: 0;
}

.approach-slider-dot.active {
  background: var(--color-primary);
  transform: scale(1.2);
}

.about-stats-large {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.stat-large {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.stat-large::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-slow);
}

.stat-large:hover::before {
  transform: scaleX(1);
}

.stat-large-number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat-large-label {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
}

.tech-stack-showcase h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  text-align: center;
}

.tech-stack-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-8);
}

.tech-icons-simple {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.tech-icon-simple {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  color: var(--color-text);
  text-decoration: none;
  transition: all var(--transition-base);
  min-width: 100px;
  position: relative;
  overflow: hidden;
}

.tech-icon-simple::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.tech-icon-simple:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.tech-icon-simple:hover::after {
  opacity: 1;
}

.tech-icon-simple svg {
  width: 36px;
  height: 36px;
  transition: transform var(--transition-base);
}

.tech-icon-simple:hover svg {
  transform: scale(1.1);
}

.tech-icon-simple span {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-base);
}

.tech-icon-simple:hover span {
  color: var(--color-primary);
}

/* AI tech icons keep their brand colors */
.tech-icon-simple.ai svg {
  /* Brand colors applied via fill attribute in SVG */
}

.tech-icon-simple.ai:hover {
  border-color: #8b5cf6;
  box-shadow: 0 0 40px rgba(139, 92, 246, 0.2);
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */
.testimonials {
  background: var(--color-bg-elevated);
}

.testimonials-slider {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform var(--transition-slow);
}

.testimonial-card {
  flex: 0 0 100%;
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  min-width: 0;
  position: relative;
  overflow: hidden;
}

.testimonial-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.testimonial-card.active::before {
  transform: scaleX(1);
}

.testimonial-stars {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.testimonial-stars svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

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

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: var(--color-bg);
  font-weight: 600;
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.author-info h4 {
  font-size: var(--text-base);
  font-weight: 600;
}

.author-info span {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
}

.testimonial-tag {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.slider-btn:hover:not(:disabled) {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-dim);
}

.slider-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.slider-btn svg {
  width: 20px;
  height: 20px;
}

.slider-dots {
  display: flex;
  gap: var(--space-2);
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  transition: all var(--transition-fast);
}

.slider-dot.active {
  background: var(--color-primary);
  transform: scale(1.2);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.contact-method {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.contact-method:hover {
  border-color: var(--color-border-light);
  transform: translateX(4px);
}

.method-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-dim);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.method-icon svg {
  width: 20px;
  height: 20px;
}

.method-info h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.method-info p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.social-links {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.social-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-dim);
  transform: translateY(-2px);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

/* Contact Form */
.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

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

.phone-form-row {
  grid-template-columns: minmax(0, 1fr);
}

.phone-form-row > .form-group {
  min-width: 0;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

/* Phone Input Wrapper */
.phone-input-wrapper {
  display: flex;
  gap: var(--space-2);
  align-items: stretch;
  width: 100%;
}

.phone-input-wrapper select {
  width: auto;
  min-width: 160px;
  max-width: 200px;
  flex: 0 0 auto;
  padding: var(--space-3) var(--space-3);
  font-size: var(--text-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239a9aa3' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
}

.phone-input-wrapper select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-dim);
}

.phone-input-wrapper input {
  flex: 1 1 0;
  min-width: 0;
  width: 0;
}

@media (max-width: 480px) {
  .phone-input-wrapper {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .phone-input-wrapper select {
    width: 100%;
    min-width: auto;
    max-width: none;
    flex: none;
  }
  
  .phone-input-wrapper input {
    width: 100%;
  }
}

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

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
  border-color: var(--color-border-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-dim);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: var(--color-error);
}

.form-group input.error:focus,
.form-group select.error:focus,
.form-group textarea.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-error {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
  min-height: 1.25rem;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.checkbox-group input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.checkbox-group label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}

.form-note {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
  text-align: center;
  margin-top: var(--space-4);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-tagline {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.6;
  max-width: 300px;
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

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

.footer-column h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-subtle);
  margin-bottom: var(--space-4);
}

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

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

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.footer-legal p {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
  margin-bottom: var(--space-1);
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-badges .badge {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}

/* ==========================================================================
   Back to Top
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--container-padding);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: var(--z-sticky);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-lg);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content {
    max-width: 600px;
    margin: 0 auto;
  }
  
  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .hero-visual {
    display: none;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .careers-grid {
    grid-template-columns: 1fr;
  }
  
  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .about-stats-large {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
  
  .footer-brand {
    grid-column: 1 / -1;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-8);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }
  
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-links {
    flex-direction: column;
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    text-align: center;
    padding: var(--space-3) var(--space-4);
  }
  
  .nav-link::after {
    display: none;
  }
  
  .nav-cta {
    display: flex;
    width: 100%;
    justify-content: center;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero {
    padding-top: 100px;
    min-height: auto;
  }
  
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .section-header-left {
    text-align: center;
  }
  
  .about-values {
    align-items: center;
  }
  
  .value {
    width: 100%;
    max-width: 320px;
  }
  
  .about-stats-large {
    grid-template-columns: 1fr;
  }
  
  .courses-grid {
    grid-template-columns: 1fr;
  }
  
  .process-steps {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .process-step:not(:last-child)::after {
    display: none;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-brand {
    grid-column: 1 / -1;
  }
  
  .footer-nav {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-nav {
    grid-template-columns: 1fr;
  }
  
  .contact-form {
    padding: var(--space-6);
  }
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease-out;
}

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

/* Staggered animations */
.reveal:nth-child(1) { transition-delay: 0ms; }
.reveal:nth-child(2) { transition-delay: 100ms; }
.reveal:nth-child(3) { transition-delay: 200ms; }
.reveal:nth-child(4) { transition-delay: 300ms; }
.reveal:nth-child(5) { transition-delay: 400ms; }
.reveal:nth-child(6) { transition-delay: 500ms; }

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
  .navbar, .hero-scroll, .back-to-top, .slider-controls, .contact-form {
    display: none !important;
  }
  
  .hero {
    min-height: auto;
    padding: 0;
  }
  
  section {
    padding: var(--space-8) 0;
    page-break-inside: avoid;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .service-card, .career-card, .course-card, .testimonial-card {
    break-inside: avoid;
    border: 1px solid #ddd;
    box-shadow: none;
  }
}