/* =========================================
   IndianAI - Main Stylesheet
   Design System & Components
   Author: Mohd Rijvan Khan Mogia
   Year: 2026
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* =========================================
   CSS Custom Properties (Design Tokens)
   ========================================= */
:root {
  --primary-color: #2563eb;
  --secondary-color: #0f172a;
  --accent-color: #06b6d4;
  --text-color: #1e293b;
  --muted-color: #64748b;
  --background-color: #ffffff;
  --light-background: #f8fafc;
  --border-color: #e2e8f0;
  --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --border-radius-sm: 6px;
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --border-radius-full: 9999px;
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-md: 0 6px 12px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

/* =========================================
   Base & Reset
   ========================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a:hover { color: var(--accent-color); }
img { max-width: 100%; height: auto; }

/* =========================================
   Typography
   ========================================= */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--secondary-color);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--muted-color);
  margin-bottom: var(--spacing-2xl);
}

/* =========================================
   Navigation
   ========================================= */
.navbar {
  background-color: var(--background-color);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-md) 0;
  transition: box-shadow var(--transition-base);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar.scrolled { box-shadow: var(--shadow-md); }

.navbar-brand {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color) !important;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.navbar-brand .brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
}

.nav-link {
  font-weight: 500;
  color: var(--text-color) !important;
  padding: var(--spacing-xs) var(--spacing-md) !important;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-color) !important;
  background-color: rgba(37, 99, 235, 0.08);
}

.navbar-toggler { border: none; padding: var(--spacing-xs); }
.navbar-toggler:focus { box-shadow: none; }

/* =========================================
   Hero Section
   ========================================= */
.hero-section {
  background: linear-gradient(135deg, #f0f4ff 0%, #e0e7ff 30%, #f0f9ff 70%, #ecfdf5 100%);
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: var(--spacing-3xl) 0;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content { position: relative; z-index: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background-color: rgba(37,99,235,0.1);
  color: var(--primary-color);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  border: 1px solid rgba(37,99,235,0.2);
}

.hero-title {
  font-size: clamp(2rem, 5vw, var(--font-size-5xl));
  font-weight: 700;
  color: var(--secondary-color);
  line-height: 1.15;
  margin-bottom: var(--spacing-lg);
}

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

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--muted-color);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-2xl);
}

.hero-stats { display: flex; gap: var(--spacing-xl); flex-wrap: wrap; }
.hero-stat { text-align: center; }

.hero-stat-number {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary-color);
  display: block;
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  color: var(--muted-color);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  max-width: 380px;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.hero-app-card {
  background: white;
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  text-align: center;
  transition: transform var(--transition-base);
}

.hero-app-card:hover { transform: scale(1.05); }

.hero-app-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.hero-app-name {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-color);
}

/* =========================================
   Buttons
   ========================================= */
.btn-primary-custom {
  background: linear-gradient(135deg, var(--primary-color), #1d4ed8);
  color: white;
  border: none;
  padding: 0.75rem 1.75rem;
  border-radius: var(--border-radius-full);
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  text-decoration: none;
}

.btn-primary-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37,99,235,0.35);
  color: white;
}

.btn-secondary-custom {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  padding: 0.75rem 1.75rem;
  border-radius: var(--border-radius-full);
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  text-decoration: none;
}

.btn-secondary-custom:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37,99,235,0.25);
}

/* =========================================
   Section Styles
   ========================================= */
section { padding: var(--spacing-3xl) 0; }

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background-color: rgba(37,99,235,0.08);
  color: var(--primary-color);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

/* =========================================
   Product Cards
   ========================================= */
.products-section { background-color: var(--light-background); }

.product-card {
  background: var(--background-color);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  padding: var(--spacing-xl);
  height: 100%;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--card-color, var(--primary-color));
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}

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

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.product-icon-wrapper {
  width: 64px;
  height: 64px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: white;
  background-color: var(--card-color, var(--primary-color));
  margin-bottom: var(--spacing-lg);
  flex-shrink: 0;
}

.product-category {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.product-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-sm);
}

.product-description {
  font-size: var(--font-size-sm);
  color: var(--muted-color);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: var(--spacing-lg);
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--card-color, var(--primary-color));
  transition: gap var(--transition-fast);
}

.product-link:hover {
  gap: var(--spacing-sm);
  color: var(--card-color, var(--primary-color));
}

/* Category Filter Tabs */
.filter-tabs {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--spacing-2xl);
}

.filter-tab {
  padding: 0.375rem 1rem;
  border-radius: var(--border-radius-full);
  border: 2px solid var(--border-color);
  background: white;
  color: var(--muted-color);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tab:hover, .filter-tab.active {
  border-color: var(--primary-color);
  background: var(--primary-color);
  color: white;
}

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

.service-item {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.service-item:hover {
  background-color: var(--light-background);
  border-color: var(--border-color);
  transform: translateX(4px);
}

.service-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(6,182,212,0.1));
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-color);
  flex-shrink: 0;
}

.service-content h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--secondary-color);
}

.service-content p {
  font-size: var(--font-size-sm);
  color: var(--muted-color);
  margin: 0;
  line-height: 1.6;
}

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

.about-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background-color: rgba(37,99,235,0.1);
  color: var(--primary-color);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

.about-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.about-text {
  font-size: var(--font-size-base);
  color: var(--muted-color);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.about-feature-list { list-style: none; padding: 0; margin: 0; }

.about-feature-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
  font-size: var(--font-size-base);
  color: var(--text-color);
}

.about-feature-list li i { color: var(--primary-color); font-size: 1rem; }

.about-card {
  background: white;
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-xl);
  max-width: 360px;
  width: 100%;
}

.about-profile {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-lg);
}

.about-avatar {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
}

.about-profile-info h5 { font-size: var(--font-size-base); font-weight: 700; margin-bottom: 2px; }
.about-profile-info p { font-size: var(--font-size-xs); color: var(--muted-color); margin: 0; }

.about-stats-mini { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); text-align: center; }
.about-stat-mini h4 { font-size: var(--font-size-xl); font-weight: 700; color: var(--primary-color); margin-bottom: 2px; }
.about-stat-mini p { font-size: var(--font-size-xs); color: var(--muted-color); margin: 0; }

/* =========================================
   CTA Section
   ========================================= */
.cta-section {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #1e3a5f 100%);
  color: white;
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.cta-section h2 { color: white; font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: var(--spacing-md); }
.cta-section p { color: rgba(255,255,255,0.75); font-size: var(--font-size-lg); margin-bottom: var(--spacing-xl); }

.btn-cta-white {
  background: white;
  color: var(--primary-color);
  border: none;
  padding: 0.875rem 2rem;
  border-radius: var(--border-radius-full);
  font-weight: 700;
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
}

.btn-cta-white:hover {
  background: var(--accent-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255,255,255,0.2);
}

.btn-cta-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.5);
  padding: 0.875rem 2rem;
  border-radius: var(--border-radius-full);
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
}

.btn-cta-outline:hover {
  border-color: white;
  background: rgba(255,255,255,0.1);
  color: white;
  transform: translateY(-2px);
}

/* =========================================
   Footer
   ========================================= */
.footer {
  background-color: var(--secondary-color);
  color: rgba(255,255,255,0.75);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.footer-brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
}

.footer-brand-name { font-size: var(--font-size-xl); font-weight: 700; color: white; }
.footer-description { font-size: var(--font-size-sm); line-height: 1.7; margin-bottom: var(--spacing-lg); color: rgba(255,255,255,0.65); }
.footer-heading { font-size: var(--font-size-base); font-weight: 600; color: white; margin-bottom: var(--spacing-lg); }

.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: var(--spacing-sm); }
.footer-links a {
  color: rgba(255,255,255,0.65);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}
.footer-links a:hover { color: white; }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
}

.footer-contact-item i { color: var(--accent-color); margin-top: 2px; flex-shrink: 0; }
.footer-divider { border-color: rgba(255,255,255,0.1); margin: var(--spacing-xl) 0 var(--spacing-md); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.5);
}

/* =========================================
   Page Hero (inner pages)
   ========================================= */
.page-hero {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #1e3a5f 100%);
  color: white;
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.page-hero h1 { color: white; font-size: clamp(2rem, 4vw, 3rem); margin-bottom: var(--spacing-md); }
.page-hero p { color: rgba(255,255,255,0.75); font-size: var(--font-size-lg); max-width: 600px; margin: 0 auto; }

.breadcrumb { justify-content: center; margin-bottom: var(--spacing-md); }
.breadcrumb-item { color: rgba(255,255,255,0.65); font-size: var(--font-size-sm); }
.breadcrumb-item a { color: rgba(255,255,255,0.75); }
.breadcrumb-item.active { color: white; }
.breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,0.4); }

/* =========================================
   Cards & Content Blocks
   ========================================= */
.info-card {
  background: var(--background-color);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  padding: var(--spacing-xl);
  height: 100%;
  transition: all var(--transition-base);
}

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

.value-card {
  text-align: center;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  background: var(--light-background);
  border: 1px solid var(--border-color);
  height: 100%;
  transition: all var(--transition-base);
}

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

.value-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(6,182,212,0.1));
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--primary-color);
  margin: 0 auto var(--spacing-lg);
}

/* =========================================
   Forms
   ========================================= */
.contact-form-wrapper {
  background: white;
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
}

.form-label { font-weight: 500; color: var(--text-color); margin-bottom: var(--spacing-xs); }

.form-control, .form-select {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 0.625rem 1rem;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-color);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
  outline: none;
}

.form-control::placeholder { color: var(--muted-color); }

/* =========================================
   Contact Info Cards
   ========================================= */
.contact-info-card {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  border: 1px solid var(--border-color);
  text-align: center;
  height: 100%;
  transition: all var(--transition-base);
}

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

.contact-info-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(6,182,212,0.1));
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-color);
  margin: 0 auto var(--spacing-md);
}

/* =========================================
   Legal Pages
   ========================================= */
.legal-content { max-width: 800px; margin: 0 auto; }
.legal-section { margin-bottom: var(--spacing-2xl); }

.legal-section h2 {
  font-size: var(--font-size-xl);
  color: var(--secondary-color);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--border-color);
}

.legal-section h3 { font-size: var(--font-size-lg); color: var(--text-color); margin-bottom: var(--spacing-sm); }
.legal-section p { color: var(--muted-color); line-height: 1.8; margin-bottom: var(--spacing-md); }
.legal-section ul, .legal-section ol { padding-left: var(--spacing-xl); margin-bottom: var(--spacing-md); }
.legal-section li { color: var(--muted-color); line-height: 1.8; margin-bottom: var(--spacing-xs); }

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-fade-up { animation: fadeInUp 0.6s ease forwards; }
.animate-fade-in { animation: fadeIn 0.5s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }

/* =========================================
   Utilities
   ========================================= */
.text-gradient {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.separator {
  width: 60px;
  height: 4px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: var(--border-radius-full);
  margin: 0 auto var(--spacing-lg);
}

.separator-left { margin: 0 0 var(--spacing-lg); }

.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 999;
  text-decoration: none;
}

.scroll-to-top.visible { opacity: 1; visibility: visible; }

.scroll-to-top:hover {
  background: var(--accent-color);
  transform: translateY(-3px);
  color: white;
}

/* =========================================
   About page specific
   ========================================= */
.team-card {
  background: var(--background-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all var(--transition-base);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.team-avatar {
  width: 96px;
  height: 96px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: white;
  font-weight: 700;
  margin: 0 auto var(--spacing-lg);
}

.mission-card {
  background: linear-gradient(135deg, rgba(37,99,235,0.05), rgba(6,182,212,0.05));
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-2xl);
  border: 1px solid rgba(37,99,235,0.15);
  text-align: center;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--light-background);
  border: 1px solid var(--border-color);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-color);
  margin: var(--spacing-xs);
}

/* =========================================
   Services page
   ========================================= */
.service-card-full {
  background: var(--background-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  border: 1px solid var(--border-color);
  height: 100%;
  transition: all var(--transition-base);
}

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

.service-card-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(6,182,212,0.1));
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
}