/* ====================================
   Modern Elegant Manufacturing Website
   Jay kay Inndustries - 2025
   ==================================== */

/* CSS Custom Properties */
:root {
  /* Colors */
  --color-primary-50: #eff6ff;
  --color-primary-100: #dbeafe;
  --color-primary-200: #bfdbfe;
  --color-primary-300: #93c5fd;
  --color-primary-400: #60a5fa;
  --color-primary-500: #3b82f6;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-primary-800: #1e40af;
  --color-primary-900: #1e3a8a;
  
  --color-secondary-50: #f8fafc;
  --color-secondary-100: #f1f5f9;
  --color-secondary-200: #e2e8f0;
  --color-secondary-300: #cbd5e1;
  --color-secondary-400: #94a3b8;
  --color-secondary-500: #64748b;
  --color-secondary-600: #475569;
  --color-secondary-700: #334155;
  --color-secondary-800: #1e293b;
  --color-secondary-900: #0f172a;
  
  --color-accent: #f59e0b;
  --color-accent-dark: #d97706;
  
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-secondary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing */
  --space-px: 1px;
  --space-0: 0;
  --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;
  --space-32: 8rem;
  
  /* Borders & Radius */
  --radius-none: 0;
  --radius-sm: 0.125rem;
  --radius-base: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  
  /* Z-Index */
  --z-0: 0;
  --z-10: 10;
  --z-20: 20;
  --z-30: 30;
  --z-40: 40;
  --z-50: 50;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Breakpoints */
  --bp-sm: 640px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
  --bp-2xl: 1536px;
}

/* ====================================
   Reset & Base Styles
   ==================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ====================================
   Skip Link
   ==================================== */

.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary-600);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
  border-radius: var(--radius-md);
  z-index: 100;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 6px;
}

/* ====================================
   Typography
   ==================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: var(--font-weight-bold);
  line-height: 1.3;
  margin-bottom: var(--space-4);
  color: var(--color-gray-900);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-gray-700);
}

a {
  color: var(--color-primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-700);
}

/* ====================================
   Layout Components
   ==================================== */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
}

/* ====================================
   Buttons
   ==================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-800));
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-primary-600);
  border: 2px solid var(--color-primary-600);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--color-primary-50);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-full {
  width: 100%;
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* ====================================
   Header & Navigation
   ==================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
  z-index: var(--z-50);
  transition: all var(--transition-fast);
}

.navbar {
  padding: var(--space-4) 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

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

.brand-text {
  font-family: var(--font-secondary);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  line-height: 1.2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  cursor: pointer;
  transition: all var(--transition-base);
}

.brand-text:hover {
  transform: translateY(-1px);
}

.brand-main {
  font-size: 1.8rem;
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-800));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  position: relative;
  transition: all var(--transition-base);
}

.brand-main::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary-600), var(--color-accent));
  transition: width var(--transition-base);
}

.brand-text:hover .brand-main::after {
  width: 100%;
}

.brand-sub {
  font-size: 0.9rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: -0.2rem;
  margin-left: 0.1rem;
  transition: all var(--transition-base);
}

.brand-text:hover .brand-sub {
  color: var(--color-primary-600);
  letter-spacing: 0.2em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav-link {
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--color-primary-600);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary-600);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.hamburger {
  width: 24px;
  height: 2px;
  background: var(--color-gray-700);
  transition: all var(--transition-fast);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-container {
    padding: 0 var(--space-4);
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-4);
    border-top: 1px solid var(--color-gray-200);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-item {
    width: 100%;
    text-align: center;
    padding: var(--space-2) 0;
  }
}

/* ====================================
   Hero Section
   ==================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-secondary-50) 100%);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-0);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(147, 197, 253, 0.1) 100%);
  z-index: var(--z-10);
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(147, 197, 253, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 60%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
  animation: float 20s ease-in-out infinite;
  z-index: var(--z-10);
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(1deg); }
  66% { transform: translateY(-10px) rotate(-1deg); }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  position: relative;
  z-index: var(--z-20);
}

.hero-text {
  animation: slideInLeft 1s ease-out;
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

.title-line {
  display: block;
  color: var(--color-gray-900);
}

.title-highlight {
  display: block;
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--font-size-xl);
  color: var(--color-gray-600);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

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

.hero-visual {
  display: flex;
  justify-content: center;
  animation: slideInRight 1s ease-out;
}

.hero-card {
  background: var(--color-white);
  border-radius: var(--radius-3xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-2xl);
  border: 1px solid var(--color-gray-200);
  backdrop-filter: blur(10px);
}

.card-stats {
  display: grid;
  gap: var(--space-6);
}

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

.stat-number {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-600);
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  font-weight: var(--font-weight-medium);
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-20);
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  animation: bounce 2s infinite;
}

.scroll-arrow {
  width: 24px;
  height: 24px;
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% { transform: translate3d(0, 0, 0); }
  40%, 43% { transform: translate3d(0, -10px, 0); }
  70% { transform: translate3d(0, -5px, 0); }
  90% { transform: translate3d(0, -2px, 0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-50px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Mobile Hero */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    text-align: center;
  }
  
  .hero-title {
    font-size: var(--font-size-5xl);
  }
}

@media (max-width: 768px) {
  .hero-content {
    padding: 0 var(--space-4);
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-description {
    font-size: var(--font-size-lg);
  }
  
  .hero-actions {
    justify-content: center;
  }
}

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

section {
  padding: var(--space-24) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-tag {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary-50);
  color: var(--color-primary-700);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--font-size-4xl);
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: var(--font-size-xl);
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* ====================================
   About Section
   ==================================== */

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.text-block {
  margin-bottom: var(--space-8);
}

.text-block h3 {
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

.text-block p {
  color: var(--color-gray-700);
  line-height: 1.7;
}

.values-grid {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

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

.value-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-100);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.value-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary-600);
}

.value-item h4 {
  font-size: var(--font-size-lg);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.value-item p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin: 0;
}

/* Timeline */
.timeline {
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 100px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-primary-200);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--space-8);
}

.timeline-left {
  width: 80px;
  text-align: right;
  padding-right: 20px;
}

.timeline-center {
  width: 20px;
  position: relative;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 5px;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: var(--color-primary-600);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-white);
  z-index: 10;
}

.timeline-year {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-600);
  background: var(--color-white);
  padding: 2px 6px;
  border-radius: var(--radius);
  border: 1px solid var(--color-primary-200);
  display: inline-block;
}

.timeline-content {
  padding-left: 20px;
  flex: 1;
}

.timeline-content h4 {
  font-size: var(--font-size-lg);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.timeline-content p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin: 0;
}

/* Mobile About */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
}

/* ====================================
   Services Section
   ==================================== */

.services {
  background: var(--color-gray-50);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  grid-auto-flow: column;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary-600), var(--color-accent));
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}

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

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: var(--color-primary-100);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.service-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary-600);
}

.service-card h3 {
  font-size: var(--font-size-xl);
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

.service-card p {
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.service-features {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.service-features li {
  background: var(--color-primary-50);
  color: var(--color-primary-700);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* ====================================
   Capabilities Section
   ==================================== */

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

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-16);
  grid-auto-flow: column;
}

.capability-item {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.capability-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.capability-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  transition: all var(--transition-base);
  border: 2px solid #e0f2fe;
}

.capability-item:hover .capability-icon {
  transform: scale(1.05);
  background: linear-gradient(135deg, #e0f2fe, #bae6fd);
  border-color: #7dd3fc;
  box-shadow: 0 4px 15px rgba(14, 165, 233, 0.15);
}

.capability-icon svg {
  width: 40px;
  height: 40px;
  color: #0284c7;
  transition: color var(--transition-base);
}

.capability-item:hover .capability-icon svg {
  color: #0369a1;
}

.capability-item h3 {
  font-size: var(--font-size-xl);
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
  font-weight: var(--font-weight-semibold);
  transition: color var(--transition-base);
}

.capability-item:hover h3 {
  color: #0369a1;
}

.capability-item p {
  color: var(--color-gray-600);
  line-height: 1.7;
  transition: color var(--transition-base);
}

.capability-item:hover p {
  color: var(--color-gray-700);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-16);
}

.stat-card {
  background: var(--color-white);
  color: var(--color-gray-900);
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 2px solid var(--color-gray-100);
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  border-color: var(--color-primary-200);
}

.stat-value {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
  color: var(--color-primary-600);
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  letter-spacing: 0.5px;
}

/* ====================================
   Projects Section
   ==================================== */

.projects {
  background: var(--color-gray-50);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
}

.project-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.project-image {
  height: 200px;
  background: linear-gradient(135deg, var(--color-gray-200), var(--color-gray-300));
  position: relative;
  overflow: hidden;
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-btn {
  background: var(--color-white);
  color: var(--color-gray-900);
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.project-btn:hover {
  background: var(--color-primary-600);
  color: var(--color-white);
}

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

.project-category {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.project-content h3 {
  font-size: var(--font-size-xl);
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
}

.project-content p {
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

/* ====================================
   Contact Section
   ==================================== */

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

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

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-100);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary-600);
}

.contact-details h3 {
  font-size: var(--font-size-lg);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.contact-details p {
  color: var(--color-gray-600);
  line-height: 1.7;
  margin: 0;
}

/* Contact Form */
.contact-form {
  background: var(--color-gray-50);
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-gray-200);
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  background: var(--color-white);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary-600);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-error {
  display: block;
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--space-1);
}

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

/* Mobile Contact */
@media (max-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
}

/* ====================================
   Footer
   ==================================== */

.footer {
  background: var(--color-secondary-800);
  color: var(--color-gray-200);
  padding: var(--space-16) 0 var(--space-8);
}

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

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

.footer-logo .brand-text {
  color: var(--color-white);
}

.footer-logo .brand-main {
  background: linear-gradient(135deg, var(--color-primary-400), var(--color-primary-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-logo .brand-main::after {
  background: linear-gradient(90deg, var(--color-primary-400), var(--color-accent));
}

.footer-logo .brand-text:hover .brand-main {
  background: linear-gradient(135deg, var(--color-white), var(--color-primary-200));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-logo .brand-sub {
  color: var(--color-gray-400);
}

.footer-logo .brand-text:hover .brand-sub {
  color: var(--color-primary-300);
}

.footer-description {
  line-height: 1.7;
  margin-bottom: var(--space-6);
  color: var(--color-gray-100);
}

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

.social-link {
  width: 40px;
  height: 40px;
  background: var(--color-gray-800);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--color-primary-600);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

.footer-links h3 {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
}

.footer-contact h3 {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
}

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

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: var(--color-gray-200);
  transition: color var(--transition-fast);
}

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  color: var(--color-gray-100);
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary-600);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid var(--color-secondary-700);
  padding-top: var(--space-8);
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom-content p {
  color: var(--color-gray-100);
  margin: 0;
}

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

.footer-bottom-links a {
  color: var(--color-gray-200);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--color-white);
}

/* Mobile Footer */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
  
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
  }
}

/* ====================================
   Modal
   ==================================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-50);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-2xl);
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--color-gray-500);
  cursor: pointer;
  padding: var(--space-2);
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-gray-700);
}

.modal-body {
  text-align: center;
  margin-bottom: var(--space-6);
}

.success-icon {
  width: 64px;
  height: 64px;
  background: var(--color-success);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.success-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-white);
}

.modal-actions {
  display: flex;
  justify-content: center;
}

/* Contact Modal Specific Styles */
.contact-modal-content {
  max-width: 900px;
  width: 95%;
  padding: var(--space-6);
}

.contact-modal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: var(--space-6);
}

.contact-modal-grid .contact-form-container {
  background: var(--color-white);
}

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

.contact-modal-grid .contact-form .form-input {
  padding: var(--space-3);
  font-size: var(--font-size-sm);
}

.contact-modal-grid .contact-form textarea.form-input {
  min-height: 100px;
}

/* Mobile responsiveness for contact modal */
@media (max-width: 768px) {
  .contact-modal-content {
    max-width: 95%;
    padding: var(--space-4);
  }
  
  .contact-modal-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* ====================================
   Utilities
   ==================================== */

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

.hidden { display: none; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

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

/* ====================================
   Print Styles
   ==================================== */

@media print {
  .header,
  .footer,
  .modal,
  .nav-actions,
  .hero-scroll,
  .btn {
    display: none !important;
  }
  
  .hero {
    min-height: auto;
    padding: var(--space-8) 0;
  }
  
  section {
    padding: var(--space-8) 0;
    break-inside: avoid;
  }
}

/* ====================================
   Responsive Grid Adjustments
   ==================================== */

/* Mobile - Stack tiles vertically */
@media (max-width: 768px) {
  .services-grid,
  .capabilities-grid {
    grid-template-columns: 1fr;
    grid-auto-flow: row;
  }
}

/* Tablet - Two columns */
@media (min-width: 769px) and (max-width: 1024px) {
  .services-grid,
  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-flow: row;
  }
}

/* Desktop - All in one line */
@media (min-width: 1025px) {
  .services-grid,
  .capabilities-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-flow: column;
  }
}

/* ====================================
   Reduced Motion
   ==================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .hero-particles {
    animation: none;
  }
  
  .scroll-indicator {
    animation: none;
  }
}