/* ========================================
   DoctorPc.in - Professional Computer Repair Website
   Modern, responsive design with smooth animations
   ======================================== */

/* ========================================
   CSS Variables & Root Configuration
   ======================================== */
:root {
  /* Colors */
  --primary-blue: #1943c5;
  --primary-blue-dark: #1539a7;
  --primary-blue-light: #3a5fd0;
  --dark-bg: #131313;
  --white: #ffffff;
  --black: #000000;
  --light-gray: #f8f8f8;
  --medium-gray: #e9e9e9;
  --dark-gray: #cfcfcf;
  --text-gray: #333333;
  --text-light: #666666;
  --link-blue: #3898ec;
  --error-red: #ffdede;
  --error-text: #d32f2f;
  --success-green: #4caf50;
  
  /* Typography */
  --font-primary: 'Montserrat', sans-serif;
  --font-secondary: 'Lato', sans-serif;
  
  /* Font Sizes */
  --fs-h1: 38px;
  --fs-h1-mobile: 28px;
  --fs-h2: 32px;
  --fs-h2-mobile: 24px;
  --fs-h3: 24px;
  --fs-h3-mobile: 20px;
  --fs-h4: 18px;
  --fs-body: 14px;
  --fs-small: 12px;
  
  /* Spacing */
  --section-padding: 100px;
  --section-padding-mobile: 60px;
  --container-max-width: 1200px;
  --container-padding: 20px;
  
  /* Animations */
  --ease-expo-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-expo-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-elastic: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-dramatic: cubic-bezier(0.87, 0, 0.13, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Transitions */
  --transition-fast: 0.25s;
  --transition-medium: 0.4s;
  --transition-slow: 0.6s;
  --transition-cinematic: 0.8s;
  
  /* Shadows */
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 15px 50px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 25px 80px rgba(0, 0, 0, 0.2);
  --shadow-primary: 0 8px 30px rgba(25, 67, 197, 0.3);
}

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

html {
  scroll-behavior: smooth;
  font-size: 14px;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--text-gray);
  background-color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Selection styling */
::selection {
  background-color: var(--primary-blue);
  color: var(--white);
}

/* Focus styles for accessibility */
:focus {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

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

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.3;
  color: var(--dark-bg);
  margin-bottom: 1rem;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p {
  margin-bottom: 1rem;
  line-height: 1.7;
}

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

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

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

/* ========================================
   Layout Utilities
   ======================================== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-size: var(--fs-h2);
  font-weight: 700;
  margin-bottom: 15px;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-blue), var(--primary-blue-light));
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-medium) var(--ease-smooth);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn:focus {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--primary-blue);
  color: var(--white);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background-color: var(--primary-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(25, 67, 197, 0.4);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

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

.btn-secondary:hover {
  background-color: var(--primary-blue);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: translateY(0) scale(0.98);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-medium) var(--ease-smooth);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: var(--shadow-sm);
}

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

.nav-logo .logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-blue);
  letter-spacing: -0.5px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 35px;
}

.nav-link {
  font-weight: 500;
  color: var(--dark-bg);
  position: relative;
  padding: 5px 0;
  transition: color var(--transition-fast) var(--ease-smooth);
}

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

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

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

.nav-cta .cta-button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background-color: var(--primary-blue);
  color: var(--white);
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-medium) var(--ease-smooth);
  box-shadow: var(--shadow-primary);
}

.nav-cta .cta-button:hover {
  background-color: var(--primary-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(25, 67, 197, 0.4);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 5px;
}

.bar {
  width: 25px;
  height: 3px;
  background-color: var(--dark-bg);
  margin: 3px 0;
  transition: var(--transition-medium) var(--ease-smooth);
  border-radius: 2px;
}

.nav-toggle.active .bar:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.nav-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .bar:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 100px;
  background: linear-gradient(135deg, #ffffff 0%, #f8faff 50%, #ffffff 100%);
}

.hero-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text {
  z-index: 2;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 25px;
  color: var(--dark-bg);
}

.title-line {
  display: block;
  overflow: hidden;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-light);
  margin-bottom: 35px;
  line-height: 1.8;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.hero-image-wrapper {
  position: relative;
  perspective: 1000px;
  transform-style: preserve-3d;
}

.hero-image-container {
  position: relative;
  transform: rotateY(-5deg) rotateX(2deg);
  transition: transform 0.6s var(--ease-smooth);
}

.hero-image-wrapper:hover .hero-image-container {
  transform: rotateY(5deg) rotateX(-2deg) scale(1.02);
}

.hero-image {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
  transition: var(--transition-medium) var(--ease-smooth);
}

.floating-badge {
  position: absolute;
  bottom: 30px;
  left: -20px;
  background: var(--white);
  padding: 12px 20px;
  border-radius: 50px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--primary-blue);
  animation: float 3s ease-in-out infinite;
}

.floating-badge i {
  font-size: 1.2rem;
}

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

.hero-bg-animation {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(25, 67, 197, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(25, 67, 197, 0.03) 0%, transparent 40%);
  pointer-events: none;
  animation: bgPulse 15s ease-in-out infinite;
}

@keyframes bgPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ========================================
   Services Section
   ======================================== */
.services {
  padding: var(--section-padding) 0;
  background-color: var(--light-gray);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--white);
  border-radius: 16px;
  padding: 35px 30px;
  text-align: center;
  transition: all var(--transition-medium) var(--ease-smooth);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-blue), var(--primary-blue-light));
  transform: scaleX(0);
  transition: transform var(--transition-medium) var(--ease-smooth);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

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

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
  border-radius: 20px;
  transition: var(--transition-medium) var(--ease-smooth);
}

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

.icon-image {
  width: 45px;
  height: 45px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.service-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--dark-bg);
}

.service-description {
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.7;
}

.service-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.feature-tag {
  background-color: var(--light-gray);
  color: var(--primary-blue);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* ========================================
   Portfolio Section
   ======================================== */
.portfolio {
  padding: var(--section-padding) 0;
  background-color: var(--white);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 25px;
}

.portfolio-card {
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 3/2;
  cursor: pointer;
  transition: var(--transition-medium) var(--ease-smooth);
}

.portfolio-image {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

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

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

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(19, 19, 19, 0.9) 0%, rgba(19, 19, 19, 0.4) 50%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-medium) var(--ease-smooth);
  display: flex;
  align-items: flex-end;
  padding: 25px;
}

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

.portfolio-content {
  transform: translateY(20px);
  transition: transform var(--transition-medium) var(--ease-smooth);
}

.portfolio-card:hover .portfolio-content {
  transform: translateY(0);
}

.portfolio-content h4 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 5px;
}

.portfolio-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.portfolio-tag {
  background-color: var(--primary-blue);
  color: var(--white);
  padding: 5px 12px;
  border-radius: 15px;
  font-size: 0.75rem;
  font-weight: 500;
  display: inline-block;
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials {
  padding: var(--section-padding) 0;
  background-color: var(--light-gray);
}

.testimonials-carousel {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.testimonial-track {
  position: relative;
  height: 320px;
  perspective: 1000px;
}

.testimonial-card {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateX(100px) scale(0.9);
  transition: all var(--transition-slow) var(--ease-smooth);
  pointer-events: none;
}

.testimonial-card.active {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: all;
}

.testimonial-card.prev {
  transform: translateX(-100px) scale(0.9);
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 25px;
}

.testimonial-avatar {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--primary-blue);
  transition: transform var(--transition-medium) var(--ease-smooth);
}

.testimonial-avatar:hover {
  transform: scale(1.1);
}

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

.testimonial-name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 5px;
}

.testimonial-rating {
  display: flex;
  gap: 3px;
  color: #ffc107;
  font-size: 0.9rem;
}

.testimonial-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-gray);
  font-style: italic;
  position: relative;
}

.testimonial-text::before {
  content: '"';
  font-size: 4rem;
  color: var(--primary-blue);
  opacity: 0.1;
  position: absolute;
  top: -20px;
  left: -10px;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  margin-top: 40px;
}

.nav-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid var(--primary-blue);
  background: transparent;
  color: var(--primary-blue);
  cursor: pointer;
  transition: all var(--transition-medium) var(--ease-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-btn:hover {
  background-color: var(--primary-blue);
  color: var(--white);
  transform: scale(1.1);
}

.nav-btn:active {
  transform: scale(0.95);
}

.testimonial-dots {
  display: flex;
  gap: 10px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--medium-gray);
  cursor: pointer;
  transition: all var(--transition-medium) var(--ease-smooth);
}

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

.dot:hover {
  background-color: var(--primary-blue-light);
  transform: scale(1.1);
}

/* ========================================
   About Section
   ======================================== */
.about {
  padding: var(--section-padding) 0;
  background-color: var(--white);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
}

.image-wrapper {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(25, 67, 197, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.experience-badge {
  position: absolute;
  bottom: 30px;
  right: -30px;
  background: var(--primary-blue);
  color: var(--white);
  padding: 20px 25px;
  border-radius: 15px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.experience-badge .years {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
}

.experience-badge .label {
  font-size: 0.85rem;
  font-weight: 500;
  opacity: 0.9;
  line-height: 1.3;
}

.about-text .section-title {
  text-align: left;
  margin-bottom: 25px;
}

.about-text .section-title::after {
  left: 0;
  transform: none;
}

.about-description {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
  margin: 35px 0;
}

.stat-item {
  text-align: center;
  padding: 20px;
  background: var(--light-gray);
  border-radius: 12px;
  transition: var(--transition-medium) var(--ease-smooth);
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.stat-number {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary-blue);
  line-height: 1;
  margin-bottom: 5px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 500;
  line-height: 1.3;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
  padding: var(--section-padding) 0;
  background-color: var(--light-gray);
}

.contact-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 50px;
}

.contact-form-wrapper {
  background: var(--white);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  position: relative;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-weight: 600;
  color: var(--dark-bg);
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 14px 18px;
  border: 2px solid var(--medium-gray);
  border-radius: 10px;
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-fast) var(--ease-smooth);
  background-color: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(25, 67, 197, 0.1);
  outline: none;
}

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

.error-message {
  position: absolute;
  bottom: -20px;
  left: 0;
  font-size: 0.8rem;
  color: var(--error-text);
  opacity: 0;
  transition: opacity var(--transition-fast) var(--ease-smooth);
}

.error-message.show {
  opacity: 1;
}

.submit-btn {
  width: 100%;
  justify-content: center;
  margin-top: 10px;
}

.submit-btn .btn-spinner {
  display: none;
}

.submit-btn.loading .btn-text {
  display: none;
}

.submit-btn.loading .btn-spinner {
  display: inline;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-card {
  background: var(--white);
  border-radius: 15px;
  padding: 25px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-medium) var(--ease-smooth);
}

.info-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.info-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.info-content h4 {
  font-size: 1rem;
  margin-bottom: 5px;
  color: var(--dark-bg);
}

.info-link {
  color: var(--primary-blue);
  font-weight: 500;
}

.info-text {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-link {
  width: 45px;
  height: 45px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-blue);
  font-size: 1.1rem;
  transition: all var(--transition-medium) var(--ease-smooth);
  box-shadow: var(--shadow-sm);
}

.social-link:hover {
  background: var(--primary-blue);
  color: var(--white);
  transform: translateY(-3px) rotate(360deg);
  box-shadow: var(--shadow-primary);
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--dark-bg);
  color: var(--white);
  padding: 70px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 40px;
}

.footer-logo .logo-text {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
  display: inline-block;
}

.footer-about {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 25px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social .social-link {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  width: 40px;
  height: 40px;
  font-size: 1rem;
}

.footer-social .social-link:hover {
  background: var(--primary-blue);
}

.footer-title {
  font-size: 1.2rem;
  margin-bottom: 25px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary-blue);
}

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

.footer-links li,
.footer-contact li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition-fast) var(--ease-smooth);
  position: relative;
}

.footer-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--primary-blue);
  transition: width var(--transition-fast) var(--ease-smooth);
}

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

.footer-links a:hover::after {
  width: 100%;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
  color: var(--primary-blue);
  margin-top: 3px;
  font-size: 0.9rem;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.7);
}

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

.footer-bottom {
  text-align: center;
}

.footer-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin-bottom: 30px;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  margin: 0;
}

/* ========================================
   Toast Notification
   ======================================== */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-xl);
  padding: 18px 25px;
  display: flex;
  align-items: center;
  gap: 15px;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-medium) var(--ease-smooth);
  z-index: 2000;
  min-width: 300px;
  max-width: 450px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  border-left: 4px solid var(--success-green);
}

.toast.error {
  border-left: 4px solid var(--error-text);
}

.toast-icon {
  font-size: 1.3rem;
}

.toast.success .toast-icon::before {
  content: '\f058';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--success-green);
}

.toast.error .toast-icon::before {
  content: '\f057';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--error-text);
}

.toast-message {
  font-weight: 500;
  color: var(--dark-bg);
}

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-blue);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-medium) var(--ease-smooth);
  z-index: 999;
}

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

.back-to-top:hover {
  background: var(--primary-blue-dark);
  transform: translateY(-5px);
  box-shadow: var(--shadow-primary);
}

/* ========================================
   Animation Classes
   ======================================== */
.animate-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow) var(--ease-expo-out),
              transform var(--transition-slow) var(--ease-expo-out);
}

.animate-fade.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-card {
  opacity: 0;
  transform: translateY(50px) rotateX(10deg);
  transition: opacity var(--transition-slow) var(--ease-expo-out),
              transform var(--transition-slow) var(--ease-expo-out);
}

.animate-card.visible {
  opacity: 1;
  transform: translateY(0) rotateX(0);
}

/* Stagger delays for cards */
.animate-card[data-delay="0"] { transition-delay: 0ms; }
.animate-card[data-delay="100"] { transition-delay: 100ms; }
.animate-card[data-delay="200"] { transition-delay: 200ms; }
.animate-card[data-delay="300"] { transition-delay: 300ms; }
.animate-card[data-delay="400"] { transition-delay: 400ms; }
.animate-card[data-delay="500"] { transition-delay: 500ms; }

.animate-char {
  opacity: 0;
  transform: translateY(100%);
  display: inline-block;
  transition: opacity 0.8s var(--ease-expo-out),
              transform 0.8s var(--ease-expo-out);
}

.animate-char.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-3d {
  opacity: 0;
  transform: translateZ(-200px) rotateY(-15deg);
  transition: opacity 1s var(--ease-expo-out),
              transform 1s var(--ease-expo-out);
}

.animate-3d.visible {
  opacity: 1;
  transform: translateZ(0) rotateY(0);
}

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

/* ========================================
   Responsive Design - Tablet
   ======================================== */
@media (max-width: 991px) {
  :root {
    --section-padding: 80px;
    --fs-h1: 32px;
    --fs-h2: 28px;
    --fs-h3: 22px;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-text .section-title {
    text-align: center;
  }
  
  .about-text .section-title::after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .services-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 0;
    flex-direction: column;
    background-color: var(--white);
    width: 100%;
    height: 100vh;
    text-align: center;
    transition: left var(--transition-medium) var(--ease-smooth);
    padding-top: 100px;
    box-shadow: var(--shadow-lg);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-cta {
    display: none;
  }
}

/* ========================================
   Responsive Design - Mobile
   ======================================== */
@media (max-width: 767px) {
  :root {
    --section-padding: 60px;
    --container-padding: 15px;
    --fs-h1: 28px;
    --fs-h2: 24px;
    --fs-h3: 20px;
  }
  
  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 250px;
    justify-content: center;
  }
  
  .floating-badge {
    position: relative;
    bottom: auto;
    left: auto;
    margin: 20px auto 0;
    display: inline-flex;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .about-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
  }
  
  .stat-item {
    padding: 15px 10px;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .stat-label {
    font-size: 0.7rem;
  }
  
  .experience-badge {
    position: relative;
    bottom: auto;
    right: auto;
    margin: 20px auto 0;
    display: inline-flex;
  }
  
  .testimonial-card {
    padding: 25px;
  }
  
  .testimonial-track {
    height: 380px;
  }
  
  .testimonial-text {
    font-size: 1rem;
  }
  
  .testimonial-navigation {
    gap: 20px;
  }
  
  .nav-btn {
    width: 45px;
    height: 45px;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .toast {
    left: 15px;
    right: 15px;
    bottom: 20px;
    min-width: auto;
  }
  
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
}

/* ========================================
   Responsive Design - Small Mobile
   ======================================== */
@media (max-width: 479px) {
  :root {
    --fs-h1: 24px;
    --fs-h2: 20px;
    --fs-h3: 18px;
  }
  
  .hero-title {
    font-size: 1.8rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-form-wrapper {
    padding: 25px;
  }
  
  .testimonial-card {
    padding: 20px;
  }
  
  .testimonial-header {
    flex-direction: column;
    text-align: center;
  }
  
  .testimonial-track {
    height: 420px;
  }
}