/* ==========================================
   BTECH - Professional IT Company Website
   Main Stylesheet
========================================== */

/* CSS Variables for Light/Dark Mode */
:root {
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary-color: #0f172a;
  --accent-color: #06b6d4;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --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);
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  --navbar-height: 80px;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border-color: #334155;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

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

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

img {
  max-width: 100%;
  height: auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}

/* ==========================================
   Preloader
========================================== */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

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

.preloader-logo {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 1rem;
  animation: pulse 1.5s ease-in-out infinite;
}

.preloader-bar {
  width: 200px;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto;
}

.preloader-progress {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: 2px;
  animation: loading 2s ease-in-out infinite;
}

@keyframes loading {
  0% { width: 0; margin-left: 0; }
  50% { width: 100%; margin-left: 0; }
  100% { width: 0; margin-left: 100%; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ==========================================
   Navigation
========================================== */
.navbar {
  background: rgba(var(--bg-primary), 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  padding: 1rem 0;
  height: var(--navbar-height);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0.5rem 0;
}

.navbar-brand {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary-color) !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-brand i {
  font-size: 2rem;
}

.nav-link {
  font-weight: 500;
  color: var(--text-primary) !important;
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem;
  border-radius: 0.5rem;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color) !important;
  background: var(--bg-secondary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: all var(--transition-fast);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 60%;
}

/* Theme Toggle */
.theme-toggle {
  background: var(--bg-tertiary);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-primary);
  font-size: 1.25rem;
}

.theme-toggle:hover {
  background: var(--primary-color);
  color: white;
  transform: rotate(20deg);
}

/* ==========================================
   Hero Section
========================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--navbar-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: -1;
}

.particle {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--primary-color);
  border-radius: 50%;
  opacity: 0.3;
  animation: float 15s infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.3;
  }
  90% {
    opacity: 0.3;
  }
  100% {
    transform: translateY(-100vh) rotate(720deg);
    opacity: 0;
  }
}

.hero-content {
  padding: 3rem 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-secondary);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.8s ease;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title span {
  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: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-image-wrapper {
  position: relative;
  animation: fadeInRight 0.8s ease 0.4s both;
}

.hero-image {
  border-radius: 1rem;
  box-shadow: var(--shadow-xl);
  transform: perspective(1000px) rotateY(-5deg);
  transition: transform var(--transition-normal);
   width: 100%;
  height: 400px;
  object-fit: cover;
}

.hero-image:hover {
  transform: perspective(1000px) rotateY(0deg);
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  animation: fadeInUp 0.8s ease 0.8s both;
}

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

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-color);
}

.hero-stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ==========================================
   Buttons
========================================== */
.btn {
  padding: 0.75rem 2rem;
  font-weight: 600;
  border-radius: 0.5rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  border: none;
  color: white;
  box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.23);
  color: white;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--border-color);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background: var(--bg-secondary);
}

.btn-white {
  background: white;
  color: var(--primary-color);
  border: none;
}

.btn-white:hover {
  background: var(--bg-secondary);
  color: var(--primary-dark);
}

/* ==========================================
   Cards
========================================== */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  overflow: hidden;
  transition: all var(--transition-normal);
  height: 100%;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin-bottom: 1.5rem;
  transition: transform var(--transition-normal);
}

.card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* Service Cards */
.service-card {
  padding: 2rem;
  text-align: center;
}

.service-card .card-icon {
  margin: 0 auto 1.5rem;
}

/* Blog Cards */
.blog-card {
  overflow: hidden;
}

.blog-card-image {
  height: 200px;
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.1);
}

.blog-card-content {
  padding: 1.5rem;
}

.blog-card-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

/* Career Cards */
.career-card {
  padding: 1.5rem;
}

.career-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.career-card-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.career-card-type {
  background: var(--bg-tertiary);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 500;
}

.career-card-details {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.career-card-details i {
  color: var(--primary-color);
}

/* ==========================================
   Sections
========================================== */
.section {
  padding: 5rem 0;
  position: relative;
}

.section-alt {
  background: var(--bg-secondary);
}

/* About Section */
.about-image {
  border-radius: 1rem;
  overflow: hidden;
  position: relative;
}

.about-image img {
  width: 100%;
  border-radius: 1rem;
}

.about-experience {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  padding: 1.5rem;
  border-radius: 1rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.about-experience-number {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
}

.about-experience-text {
  font-size: 0.875rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.feature-list li i {
  color: var(--success-color);
  font-size: 1.25rem;
}

/* Team Section */
.team-card {
  text-align: center;
  padding: 1.5rem;
}

.team-card-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 1rem;
  border: 4px solid var(--primary-color);
  transition: transform var(--transition-normal);
}

.team-card:hover .team-card-image {
  transform: scale(1.05);
}

.team-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.team-card-role {
  color: var(--primary-color);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.team-card-social {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

.team-card-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.team-card-social a:hover {
  background: var(--primary-color);
  color: white;
}

/* Testimonials */
.testimonial-card {
  padding: 2rem;
  text-align: center;
}

.testimonial-quote {
  font-size: 3rem;
  color: var(--primary-color);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 1rem;
}

.testimonial-text {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.testimonial-author-image {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
}

.testimonial-author-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-author-name {
  font-weight: 700;
  text-align: left;
}

.testimonial-author-role {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: left;
}

/* Gallery */
.gallery-item {
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(37, 99, 235, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay i {
  color: white;
  font-size: 2rem;
}

/* FAQ Accordion */
.accordion-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  margin-bottom: 1rem;
  overflow: hidden;
}

.accordion-button {
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 600;
  padding: 1.25rem;
  box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
  background: var(--bg-tertiary);
  color: var(--primary-color);
}

.accordion-button::after {
  background-size: 1rem;
  transition: transform var(--transition-normal);
}

.accordion-body {
  color: var(--text-secondary);
  padding: 1.25rem;
}

/* Contact Form */
.contact-form .form-control {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.875rem 1rem;
  border-radius: 0.5rem;
  transition: all var(--transition-fast);
}

.contact-form .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-info-content h5 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.contact-info-content p {
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-title {
  color: white;
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

/* ==========================================
   Footer
========================================== */
.footer {
  background: var(--secondary-color);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-brand {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 1rem;
  display: inline-block;
}

.footer-text {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--primary-color);
  transform: translateY(-3px);
}

.footer-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: white;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

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

.footer-links a:hover {
  color: white;
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  margin-top: 3rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
}

/* ==========================================
   Back to Top Button
========================================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 1000;
  box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

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

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

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scroll Animation Classes */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}


/* Carousel Controls */
.carousel-control-prev,
.carousel-control-next {
    width: 50px;
    height: 50px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 1;
}


.carousel-control-prev {
    left: -25px;
}


.carousel-control-next {
    right: -25px;
}


.carousel-control-prev:hover,
.carousel-control-next:hover {
    opacity: 0.8;
}


/* ==========================================
   Responsive
========================================== */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: var(--bg-primary);
    padding: 1rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    margin-top: 0.5rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-image-wrapper {
    margin-top: 3rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .about-experience {
    right: 0;
    bottom: 0;
  }
}

@media (max-width: 767.98px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
 
  


  
  .section {
    padding: 3rem 0;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .cta-title {
    font-size: 1.75rem;
  }
}

/* ==========================================
   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;
}

.bg-gradient {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
}

.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .glass-effect {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* Modal Styles */
.modal-content {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
}

.modal-footer {
  border-top: 1px solid var(--border-color);
}

.btn-close {
  filter: invert(1);
}

[data-theme="light"] .btn-close {
  filter: none;
}

/* Badge Styles */
.badge {
  padding: 0.5em 1em;
  font-weight: 500;
}

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

/* Page Header */
.page-header {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  text-align: center;
}

.page-header-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.page-header-subtitle {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

/* Breadcrumb */
.breadcrumb {
  background: transparent;
  justify-content: center;
  margin-bottom: 0;
}

.breadcrumb-item a {
  color: var(--text-secondary);
}

.breadcrumb-item.active {
  color: var(--primary-color);
}

.breadcrumb-item + .breadcrumb-item::before {
  color: var(--text-muted);
}

/* Pagination */
.pagination .page-link {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.pagination .page-link:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

.pagination .page-item.active .page-link {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

/* Tab Styles */
.nav-tabs {
  border-bottom: 1px solid var(--border-color);
}

.nav-tabs .nav-link {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 1rem 1.5rem !important;
  margin: 0;
}

.nav-tabs .nav-link:hover {
  color: var(--primary-color);
  background: transparent;
}

.nav-tabs .nav-link.active {
  color: var(--primary-color);
  background: transparent;
  border-bottom: 2px solid var(--primary-color);
}

/* Progress Bar */
.progress {
  background: var(--bg-tertiary);
  border-radius: 0.5rem;
  height: 8px;
}

.progress-bar {
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: 0.5rem;
}

/* Alert Styles */
.alert {
  border: none;
  border-radius: 0.75rem;
}

.alert-primary {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary-color);
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
}

/* Tooltip */
.tooltip .tooltip-inner {
  background: var(--secondary-color);
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
}

.tooltip .arrow::before {
  border-top-color: var(--secondary-color);
}


/* Contact and Animation Cards */
.contact-card,
.animation-card {
    border-radius: 25px;
}


.office-icon {
    width:65px;
    height:65px;
    border-radius:18px;
    background:var(--primary-color);
    color:white;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:28px;
}


.contact-item {
    display:flex;
    gap:15px;
    margin-bottom:20px;
}


.contact-item-icon {
    width:42px;
    height:42px;
    border-radius:50%;
    background:rgba(0,123,255,0.1);
    color:var(--primary-color);
    display:flex;
    align-items:center;
    justify-content:center;
}


.contact-item h6 {
    margin-bottom:5px;
    font-weight:600;
}


.contact-item p,
.contact-item a {
    margin:0;
    color:inherit;
    text-decoration:none;
}


.social-links a {

    width:50px;
    height: 50px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    border:1px solid #ddd;
    color:var(--primary-color);
    transition:0.3s;

}


.social-links a:hover {

    background:var(--primary-color);
    color:white;
    transform:translateY(-3px);

}


.animation-card {
    overflow:hidden;
}