/* ========================================
   BITS CONSULTANCY - COMPONENTS
   Reusable UI Components
   ======================================== */

/* Header Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

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

.header-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.logo:hover {
  color: var(--color-primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

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

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

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

.nav-cta {
  margin-left: var(--space-4);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-text);
  font-size: var(--text-2xl);
}

/* Hero Section */
.hero {
  position: relative;
  padding: var(--space-15) 0;
  background: linear-gradient(135deg, rgba(10, 36, 99, 0.02) 0%, rgba(0, 212, 255, 0.05) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="1" fill="%230A2463" opacity="0.05"/></svg>');
  opacity: 0.3;
  pointer-events: none;
}

.hero-container {
  position: relative;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}

.hero-content {
  animation: fadeInUp 0.6s ease-out;
}

.hero-title {
  font-size: var(--text-6xl);
  margin-bottom: var(--space-4);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-light);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}

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

.hero-visual {
  position: relative;
  animation: fadeInUp 0.8s ease-out;
}

/* Trust Indicators */
.trust-indicators {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin: var(--space-10) 0;
}

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

.trust-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-xl);
}

.trust-text {
  font-weight: 600;
  color: var(--color-text);
}

.trust-label {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

/* Product/Service Cards */
.product-card,
.service-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  cursor: pointer;
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.card-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-accent);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  font-size: var(--text-2xl);
  color: white;
}

.card-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.card-description {
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.card-action {
  margin-top: auto;
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap var(--transition-fast);
}

.card-action:hover {
  gap: var(--space-3);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  backdrop-filter: blur(4px);
}

.modal.active {
  display: flex;
  animation: fadeIn 0.3s ease-out;
}

.modal-content {
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalSlideIn 0.3s ease-out;
  box-shadow: var(--shadow-xl);
}

.modal-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: var(--color-bg-white);
  z-index: 10;
}

.modal-title {
  font-size: var(--text-3xl);
  margin: 0;
}

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

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

.modal-body {
  padding: var(--space-6);
}

.modal-section {
  margin-bottom: var(--space-6);
}

.modal-section-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  color: var(--color-primary);
}

.modal-features {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.modal-features li {
  display: flex;
  align-items: start;
  gap: var(--space-2);
  color: var(--color-text-light);
}

.modal-features li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: bold;
  flex-shrink: 0;
}

/* Testimonials */
.testimonial-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  height: 100%;
}

.testimonial-quote {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

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

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: var(--text-xl);
}

.testimonial-info {
  flex: 1;
}

.testimonial-name {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.testimonial-role {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

/* Stats Section */
.stats-section {
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-15) 0;
}

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

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

.stat-number {
  font-size: var(--text-5xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
  display: block;
}

.stat-label {
  font-size: var(--text-lg);
  opacity: 0.9;
}

/* Footer */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-15) 0 var(--space-6);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

.footer-column h4 {
  color: white;
  margin-bottom: var(--space-4);
  font-size: var(--text-lg);
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

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

.footer-logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: white;
  margin-bottom: var(--space-3);
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-4);
}

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

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all var(--transition-fast);
}

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

.newsletter-form {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.newsletter-input {
  flex: 1;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: white;
  font-size: var(--text-sm);
}

.newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.15);
}

.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-sm);
}

/* Industry Tabs */
.industry-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
  border-bottom: 2px solid var(--color-border);
}

.tab-button {
  padding: var(--space-3) var(--space-5);
  background: none;
  border: none;
  font-weight: 600;
  color: var(--color-text-light);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
}

.tab-button.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease-out;
}

/* CTA Section */
.cta-section {
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-15) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><circle cx="30" cy="30" r="1" fill="white" opacity="0.1"/></svg>');
  opacity: 0.5;
}

.cta-container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.cta-title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
  color: white;
}

.cta-description {
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
  opacity: 0.9;
}

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

/* Breadcrumbs */
.breadcrumbs {
  padding: var(--space-4) 0;
  background: var(--color-bg);
  font-size: var(--text-sm);
}

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

.breadcrumbs-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}

.breadcrumbs-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-light);
}

.breadcrumbs-item a {
  color: var(--color-text-light);
}

.breadcrumbs-item.active {
  color: var(--color-text);
}

.breadcrumbs-separator {
  color: var(--color-text-lighter);
}