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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  line-height: 1.6;
  color: #2d3748;
  overflow-x: hidden;
  background-color: #ffffff;
}

/* ===========================
   Typography
=========================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1a202c;
  margin-bottom: 1rem;
  position: relative;
}

.section-subtitle {
  font-size: 1.125rem;
  color: #718096;
  max-width: 600px;
  margin: 0 auto;
}

/* ===========================
   Utility Classes
=========================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
  background: transparent;
  color: #667eea;
  border: 2px solid #667eea;
}

.btn-secondary:hover {
  background: #667eea;
  color: white;
  transform: translateY(-2px);
}

.btn-arrow {
  width: 18px;
  height: 18px;
  transition: transform 0.3s ease;
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* ===========================
   Navigation
=========================== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: #1a202c;
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: #667eea;
}

.logo-main {
  animation: logoFloat 3s ease-in-out infinite;
}

.logo-accent {
  animation: logoFloat 3s ease-in-out infinite reverse;
}

.logo-dot {
  animation: dotPulse 3s ease-in-out infinite;
}

.dot-1 {
  animation-delay: 0s;
}

.dot-2 {
  animation-delay: 0.5s;
}

.dot-3 {
  animation-delay: 1s;
}

.logo-line {
  stroke-dasharray: 10;
  stroke-dashoffset: 10;
  animation: lineAnimate 3s ease-in-out infinite;
}

.line-1 {
  animation-delay: 0.5s;
}

.line-2 {
  animation-delay: 1s;
}

@keyframes logoFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

@keyframes dotPulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.2);
    opacity: 1;
  }
}

@keyframes lineAnimate {
  0%,
  100% {
    stroke-dashoffset: 10;
  }
  50% {
    stroke-dashoffset: 0;
  }
}

.nav-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  color: #4a5568;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #667eea;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  transition: width 0.3s ease;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: #4a5568;
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ===========================
   Hero Section
=========================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

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

.hero-svg {
  width: 100%;
  height: 100%;
  position: absolute;
}

.wave-path {
  animation: waveFloat 8s ease-in-out infinite;
}

.wave-2 {
  animation: waveFloat 10s ease-in-out infinite reverse;
}

@keyframes waveFloat {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-20px) scale(1.02);
  }
}

.floating-shapes {
  position: absolute;
  width: 100%;
  height: 100%;
}

.shape {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea, #764ba2);
  opacity: 0.1;
  animation: floatShape 15s ease-in-out infinite;
}

.shape-1 {
  width: 100px;
  height: 100px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 60px;
  height: 60px;
  top: 60%;
  right: 20%;
  animation-delay: -5s;
}

.shape-3 {
  width: 80px;
  height: 80px;
  bottom: 30%;
  left: 70%;
  animation-delay: -10s;
}

.shape-4 {
  width: 40px;
  height: 40px;
  top: 80%;
  left: 20%;
  animation-delay: -15s;
}

@keyframes floatShape {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  25% {
    transform: translateY(-30px) rotate(90deg);
  }
  50% {
    transform: translateY(-60px) rotate(180deg);
  }
  75% {
    transform: translateY(-30px) rotate(270deg);
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.title-line {
  display: block;
  opacity: 0;
  transform: translateY(30px);
  animation: slideInUp 1s ease-out forwards;
}

.title-line:nth-child(1) {
  animation-delay: 0.2s;
}
.title-line:nth-child(2) {
  animation-delay: 0.4s;
}
.title-line:nth-child(3) {
  animation-delay: 0.6s;
}

.highlight {
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes slideInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #718096;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.8s forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 1s ease-out 1s forwards;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-arrow {
  width: 24px;
  height: 24px;
  border: 2px solid #667eea;
  border-top: none;
  border-right: none;
  transform: rotate(-45deg);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: rotate(-45deg) translateY(0);
  }
  40% {
    transform: rotate(-45deg) translateY(-10px);
  }
  60% {
    transform: rotate(-45deg) translateY(-5px);
  }
}

/* ===========================
   About Section
=========================== */
.about {
  padding: 120px 0;
  background: #ffffff;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.section-header.animate {
  opacity: 1;
  transform: translateY(0);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.8s ease-out;
}

.about-text.animate {
  opacity: 1;
  transform: translateX(0);
}

.about-card {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  padding: 2.5rem;
  border-radius: 20px;
  margin-bottom: 2rem;
  border: 1px solid rgba(102, 126, 234, 0.1);
  transition: transform 0.3s ease;
}

.about-card:hover {
  transform: translateY(-5px);
}

.about-card h3 {
  color: #667eea;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: white;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: #718096;
  font-weight: 500;
}

.about-visual {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.8s ease-out;
}

.about-visual.animate {
  opacity: 1;
  transform: translateX(0);
}

.about-svg {
  width: 100%;
  height: auto;
}

.phone-frame,
.phone-screen {
  animation: phoneFloat 4s ease-in-out infinite;
}

.floating-dot {
  animation: dotFloat 3s ease-in-out infinite;
}

.dot-2 {
  animation-delay: -1s;
}
.dot-3 {
  animation-delay: -2s;
}

.connection-line {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: lineAnimate 2s ease-out infinite;
}

.line-2 {
  animation-delay: -1s;
}

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

@keyframes dotFloat {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-15px) scale(1.2);
  }
}

@keyframes lineAnimate {
  0% {
    stroke-dashoffset: 100;
  }
  50%,
  100% {
    stroke-dashoffset: 0;
  }
}

/* ===========================
   Services Section
=========================== */
.services {
  padding: 120px 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  margin-top: 4rem;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background: white;
  padding: 3rem 2rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  transform: translateY(30px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(102, 126, 234, 0.15);
}

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 2rem;
  color: #667eea;
  transition: all 0.3s ease;
}

.service-card:hover .service-icon {
  transform: scale(1.1);
  color: #764ba2;
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.icon-bg,
.icon-screen,
.icon-ring {
  transition: all 0.3s ease;
}

.service-card:hover .icon-bg {
  opacity: 0.2;
}

.service-card:hover .icon-wave,
.service-card:hover .icon-path,
.service-card:hover .icon-cloud,
.service-card:hover .icon-arrow,
.service-card:hover .icon-chart {
  animation: iconPulse 1s ease-in-out;
}

.service-card:hover .icon-point {
  animation: pointPulse 0.8s ease-in-out infinite;
}

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

@keyframes pointPulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.7;
  }
}

.service-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #1a202c;
}

.service-description {
  color: #718096;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.service-features {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.service-features li {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* ===========================
   Portfolio Section
=========================== */
.portfolio {
  padding: 120px 0;
  background: white;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1200px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.portfolio-item {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  transform: translateY(30px);
}

.portfolio-item.animate {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.portfolio-image {
  height: 250px;
  overflow: hidden;
  position: relative;
}

.portfolio-image svg {
  width: 100%;
  height: 100%;
  transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-image svg {
  transform: scale(1.05);
}

.portfolio-content {
  padding: 2rem;
}

.portfolio-title {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #1a202c;
}

.portfolio-description {
  color: #718096;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  background: rgba(102, 126, 234, 0.1);
  color: #667eea;
  padding: 0.375rem 0.875rem;
  border-radius: 15px;
  font-size: 0.8125rem;
  font-weight: 500;
}

/* ===========================
   Testimonials Section
=========================== */
.testimonials {
  padding: 120px 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

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

.testimonial-slider {
  overflow: hidden;
  border-radius: 20px;
}

.testimonial-slide {
  display: none;
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.5s ease-out;
}

.testimonial-slide.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.testimonial-content {
  background: white;
  padding: 4rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  position: relative;
}

.quote-icon {
  width: 48px;
  height: 48px;
  color: #667eea;
  margin: 0 auto 2rem;
  opacity: 0.7;
}

.testimonial-text {
  font-size: 1.25rem;
  line-height: 1.8;
  color: #4a5568;
  margin-bottom: 2.5rem;
  font-style: italic;
}

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

.author-avatar {
  width: 60px;
  height: 60px;
}

.author-avatar svg {
  width: 100%;
  height: 100%;
}

.author-info {
  text-align: left;
}

.author-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: #1a202c;
  margin-bottom: 0.25rem;
}

.author-position {
  color: #718096;
  font-size: 0.9375rem;
}

.testimonial-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-top: 3rem;
}

.nav-btn {
  background: white;
  border: 2px solid #e2e8f0;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  color: #667eea;
}

.nav-btn:hover {
  background: #667eea;
  color: white;
  border-color: #667eea;
  transform: translateY(-2px);
}

.nav-btn svg {
  width: 20px;
  height: 20px;
}

.testimonial-dots {
  display: flex;
  gap: 0.75rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #e2e8f0;
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  background: #667eea;
  transform: scale(1.2);
}

/* ===========================
   Contact Section
=========================== */
.contact {
  padding: 120px 0;
  background: white;
  position: relative;
  overflow: hidden;
}

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

.contact-svg {
  width: 100%;
  height: 100%;
}

.contact-wave {
  animation: contactWave 10s ease-in-out infinite;
}

.floating-circle {
  animation: floatCircle 8s ease-in-out infinite;
}

.c2 {
  animation-delay: -2s;
}
.c3 {
  animation-delay: -4s;
}

@keyframes contactWave {
  0%,
  100% {
    transform: translateY(0) scaleY(1);
  }
  50% {
    transform: translateY(-10px) scaleY(1.1);
  }
}

@keyframes floatCircle {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-20px) scale(1.1);
  }
}

.contact .container {
  position: relative;
  z-index: 2;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: start;
}

.contact-info {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.8s ease-out;
}

.contact-info.animate {
  opacity: 1;
  transform: translateX(0);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 3rem;
  padding: 2rem;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  border-radius: 15px;
  transition: transform 0.3s ease;
}

.contact-item:hover {
  transform: translateY(-5px);
}

.contact-icon {
  width: 48px;
  height: 48px;
  color: #667eea;
  flex-shrink: 0;
  padding: 12px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.15);
}

.contact-icon svg {
  width: 100%;
  height: 100%;
}

.contact-details h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: #1a202c;
  margin-bottom: 0.5rem;
}

.contact-details p {
  color: #718096;
  line-height: 1.6;
}

.contact-form {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.8s ease-out;
}

.contact-form.animate {
  opacity: 1;
  transform: translateX(0);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.form-group {
  position: relative;
  margin-bottom: 2rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1.25rem 0 0.75rem;
  border: none;
  border-bottom: 2px solid #e2e8f0;
  background: transparent;
  font-size: 1rem;
  color: #2d3748;
  transition: all 0.3s ease;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-bottom-color: #667eea;
}

.form-group label {
  position: absolute;
  left: 0;
  top: 1.25rem;
  color: #718096;
  font-size: 1rem;
  pointer-events: none;
  transition: all 0.3s ease;
  transform-origin: left;
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group select:focus + label,
.form-group select:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
  transform: translateY(-1.5rem) scale(0.875);
  color: #667eea;
}

.form-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  transition: width 0.3s ease;
}

.form-group input:focus ~ .form-line,
.form-group select:focus ~ .form-line,
.form-group textarea:focus ~ .form-line {
  width: 100%;
}

.form-group select {
  cursor: pointer;
}

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

.btn-submit {
  width: 100%;
  justify-content: center;
  margin-top: 1rem;
}

/* ===========================
   Footer
=========================== */
.footer {
  background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
  color: #e2e8f0;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 400px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.footer-logo .logo-icon {
  color: #667eea;
}

.footer-logo .logo-text {
  font-size: 1.375rem;
  font-weight: 700;
  color: white;
}

.footer-description {
  color: #a0aec0;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(102, 126, 234, 0.1);
  border-radius: 50%;
  color: #667eea;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: #667eea;
  color: white;
  transform: translateY(-2px);
}

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

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1.5rem;
}

.footer-column a {
  display: block;
  color: #a0aec0;
  text-decoration: none;
  padding: 0.375rem 0;
  transition: color 0.3s ease;
}

.footer-column a:hover {
  color: #667eea;
}

.footer-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, #4a5568, transparent);
  margin-bottom: 2rem;
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.copyright {
  color: #a0aec0;
  font-size: 0.9375rem;
}

.footer-bottom-links {
  display: flex;
  gap: 2rem;
}

.footer-bottom-links a {
  color: #a0aec0;
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
  color: #667eea;
}

/* ===========================
   Animations & Transitions
=========================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.8s ease-out;
}

.slide-in-left.animate {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.8s ease-out;
}

.slide-in-right.animate {
  opacity: 1;
  transform: translateX(0);
}

/* ===========================
   Responsive Design
=========================== */
@media (max-width: 1024px) {
  .container {
    padding: 0 1.5rem;
  }

  .hero-title {
    font-size: 3rem;
  }

  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: rgba(255, 255, 255, 0.98);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 3rem;
    transition: left 0.3s ease;
  }

  .nav-menu.active {
    left: 0;
  }

  .hamburger {
    display: flex;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .section-title {
    font-size: 2rem;
  }

  .about-stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .testimonial-content {
    padding: 2.5rem 1.5rem;
  }

  .testimonial-author {
    flex-direction: column;
    text-align: center;
  }

  .author-info {
    text-align: center;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

  .footer-bottom-links {
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 1rem;
  }

  .container {
    padding: 0 1rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .service-card {
    padding: 2rem 1.5rem;
  }

  .testimonial-content {
    padding: 2rem 1rem;
  }

  .contact-item {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
}

/* ===========================
   Accessibility & Dark Mode Support
=========================== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for better accessibility */
.nav-link:focus,
.btn:focus,
.social-link:focus,
.nav-btn:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .hero-background,
  .floating-shapes,
  .contact-background {
    display: none;
  }

  .service-card,
  .portfolio-item,
  .testimonial-content {
    border: 2px solid #1a202c;
  }
}