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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

html,
body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: #e5e5e5;
  background-color: #1a1a1a;
  max-width: 100vw;
  overflow-x: hidden;
  scroll-behavior: smooth;
  position: relative;
}

/* Prevent scroll restoration and ensure page starts at top */
body {
  overscroll-behavior: none;
  scroll-behavior: smooth;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(45, 45, 45, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(116, 116, 116, 0.2);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo h2 {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, #747474 0%, #9e9e9e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-logo .logo-image {
  height: 5rem;
  width: auto;
  max-width: 350px;
  padding-top: 0.6rem;
  object-fit: contain;
  filter: brightness(1.1) contrast(1.1);
  transition: all 0.3s ease;
}

.nav-logo .logo-image:hover {
  filter: brightness(1.2) contrast(1.2);
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-link {
  text-decoration: none;
  color: #e5e5e5;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: #747474;
}

.nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background: #747474;
  transition: width 0.3s ease;
}

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

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

.bar {
  width: 25px;
  height: 3px;
  background: #e5e5e5;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(
    135deg,
    #1a1a1a 0%,
    #2d2d2d 30%,
    #404040 60%,
    #5a5a5a 100%
  );
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #f5f5f5;
}

.highlight {
  background: linear-gradient(135deg, #747474 0%, #9e9e9e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.2rem;
  color: #a8a8a8;
  margin-bottom: 30px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  padding: 15px 30px;
  border: none;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, #747474 0%, #5a5a5a 100%);
  color: white;
  box-shadow: 0 10px 30px rgba(116, 116, 116, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(116, 116, 116, 0.4);
}

.btn-secondary {
  background: transparent;
  color: #fffcfc;
  border: 2px solid #747474;
}

.btn-secondary:hover {
  background: #747474;
  color: white;
  transform: translateY(-2px);
}

.hero-visual {
  position: relative;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

.sphere-container {
  position: absolute;
  width: 100vw;
  height: 100vh;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  pointer-events: none;
}

.hero-svg {
  position: relative;
  z-index: 10;
  max-width: 900px;
  max-height: 900px;
  width: auto;
  height: auto;
  filter: drop-shadow(0 10px 30px rgba(116, 116, 116, 0.2));
}

/* Orbit Rings */
.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(116, 116, 116, 0.1);
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

/* Ring 1 - Largest background ring */
.ring-1 {
  width: 150vw;
  height: 150vh;
  top: -25vh;
  left: -25vw;
  animation: rotate-2d 25s linear infinite;
}

/* Ring 2 - Second largest */
.ring-2 {
  width: 130vw;
  height: 130vh;
  top: -15vh;
  left: -15vw;
  animation: rotate-2d-reverse 20s linear infinite;
}

/* Ring 3 - Large */
.ring-3 {
  width: 110vw;
  height: 110vh;
  top: -5vh;
  left: -5vw;
  animation: rotate-2d 18s linear infinite;
}

/* Ring 4 - Medium-Large */
.ring-4 {
  width: 90vw;
  height: 90vh;
  top: 5vh;
  left: 5vw;
  animation: rotate-2d-reverse 15s linear infinite;
}

/* Ring 5 - Medium */
.ring-5 {
  width: 70vw;
  height: 70vh;
  top: 15vh;
  left: 15vw;
  animation: rotate-2d 12s linear infinite;
}

/* Ring 6 - Medium-Small */
.ring-6 {
  width: 50vw;
  height: 50vh;
  top: 25vh;
  left: 25vw;
  animation: rotate-2d-reverse 10s linear infinite;
}

/* Ring 7 - Small */
.ring-7 {
  width: 30vw;
  height: 30vh;
  top: 35vh;
  left: 35vw;
  animation: rotate-2d 8s linear infinite;
}

/* Ring 8 - Smallest */
.ring-8 {
  width: 15vw;
  height: 15vh;
  top: 42.5vh;
  left: 42.5vw;
  animation: rotate-2d-reverse 6s linear infinite;
}

/* Dots */
.dot {
  position: absolute;
  width: 8px;
  height: 8px;
  background: rgba(116, 116, 116, 0.7);
  border: 2px solid rgba(116, 116, 116, 0.3);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(116, 116, 116, 0.5);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
}

.dot::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(
    circle,
    rgba(116, 116, 116, 0.3) 0%,
    transparent 70%
  );
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s ease;
  pointer-events: none;
}

.dot:hover {
  background: rgba(116, 116, 116, 1);
  box-shadow: 0 0 20px rgba(116, 116, 116, 0.8),
    0 0 40px rgba(116, 116, 116, 0.4), 0 0 60px rgba(116, 116, 116, 0.2);
  transform: scale(1.5);
  animation: splash 0.6s ease-out;
}

.dot:hover::before {
  width: 40px;
  height: 40px;
  background: radial-gradient(
    circle,
    rgba(116, 116, 116, 0.2) 0%,
    rgba(158, 158, 158, 0.1) 50%,
    transparent 100%
  );
}

@keyframes splash {
  0% {
    box-shadow: 0 0 20px rgba(116, 116, 116, 0.8),
      0 0 40px rgba(116, 116, 116, 0.4);
  }
  50% {
    box-shadow: 0 0 30px rgba(116, 116, 116, 1),
      0 0 60px rgba(116, 116, 116, 0.6), 0 0 90px rgba(116, 116, 116, 0.3);
  }
  100% {
    box-shadow: 0 0 20px rgba(116, 116, 116, 0.8),
      0 0 40px rgba(116, 116, 116, 0.4), 0 0 60px rgba(116, 116, 116, 0.2);
  }
}

/* Dot ripple effect */
.dot-ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(
    circle,
    rgba(116, 116, 116, 0.3) 0%,
    transparent 70%
  );
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

@keyframes ripple-expand {
  0% {
    width: 0;
    height: 0;
    opacity: 1;
  }
  100% {
    width: 60px;
    height: 60px;
    opacity: 0;
  }
}

/* Particle burst effect */
.burst-particle {
  position: fixed;
  width: 4px;
  height: 4px;
  background: linear-gradient(45deg, #747474, #9e9e9e);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1000;
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Shockwave effect */
.shockwave {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border: 2px solid rgba(139, 92, 246, 0.6);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: shockwave-expand 0.8s ease-out;
}

@keyframes shockwave-expand {
  0% {
    width: 0;
    height: 0;
    opacity: 1;
  }
  100% {
    width: 100px;
    height: 100px;
    opacity: 0;
  }
}

/* Enhanced dot active state */
.dot.splash-active {
  animation: splash 0.6s ease-out, pulse 1.5s infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1.5);
  }
  50% {
    transform: scale(1.8);
  }
}

/* Position dots around each ring */
.ring-1 .dot:nth-child(1) {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}
.ring-1 .dot:nth-child(2) {
  top: 12.5%;
  right: 12.5%;
  transform: translate(50%, -50%);
}
.ring-1 .dot:nth-child(3) {
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}
.ring-1 .dot:nth-child(4) {
  bottom: 12.5%;
  right: 12.5%;
  transform: translate(50%, 50%);
}
.ring-1 .dot:nth-child(5) {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}
.ring-1 .dot:nth-child(6) {
  bottom: 12.5%;
  left: 12.5%;
  transform: translate(-50%, 50%);
}
.ring-1 .dot:nth-child(7) {
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}
.ring-1 .dot:nth-child(8) {
  top: 12.5%;
  left: 12.5%;
  transform: translate(-50%, -50%);
}

.ring-2 .dot:nth-child(1) {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}
.ring-2 .dot:nth-child(2) {
  top: 25%;
  right: 0;
  transform: translateY(-50%);
}
.ring-2 .dot:nth-child(3) {
  bottom: 0;
  right: 25%;
  transform: translateX(50%);
}
.ring-2 .dot:nth-child(4) {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}
.ring-2 .dot:nth-child(5) {
  bottom: 25%;
  left: 0;
  transform: translateY(50%);
}
.ring-2 .dot:nth-child(6) {
  top: 25%;
  left: 0;
  transform: translateY(-50%);
}

.ring-3 .dot:nth-child(1) {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}
.ring-3 .dot:nth-child(2) {
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}
.ring-3 .dot:nth-child(3) {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}
.ring-3 .dot:nth-child(4) {
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.ring-4 .dot:nth-child(1) {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}
.ring-4 .dot:nth-child(2) {
  top: 20%;
  right: 20%;
}
.ring-4 .dot:nth-child(3) {
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}
.ring-4 .dot:nth-child(4) {
  bottom: 20%;
  right: 20%;
}
.ring-4 .dot:nth-child(5) {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}
.ring-4 .dot:nth-child(6) {
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.ring-5 .dot:nth-child(1) {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}
.ring-5 .dot:nth-child(2) {
  top: 30%;
  right: 15%;
}
.ring-5 .dot:nth-child(3) {
  bottom: 0;
  right: 30%;
}
.ring-5 .dot:nth-child(4) {
  bottom: 15%;
  left: 15%;
}
.ring-5 .dot:nth-child(5) {
  top: 30%;
  left: 15%;
}

.ring-6 .dot:nth-child(1) {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}
.ring-6 .dot:nth-child(2) {
  top: 25%;
  right: 10%;
}
.ring-6 .dot:nth-child(3) {
  bottom: 0;
  right: 25%;
}
.ring-6 .dot:nth-child(4) {
  bottom: 25%;
  left: 10%;
}
.ring-6 .dot:nth-child(5) {
  top: 25%;
  left: 10%;
}

.ring-7 .dot:nth-child(1) {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}
.ring-7 .dot:nth-child(2) {
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}
.ring-7 .dot:nth-child(3) {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}
.ring-7 .dot:nth-child(4) {
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.ring-8 .dot:nth-child(1) {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}
.ring-8 .dot:nth-child(2) {
  bottom: 0;
  right: 0;
}
.ring-8 .dot:nth-child(3) {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

/* Ring Rotation Animations - 2D */
@keyframes rotate-2d {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes rotate-2d-reverse {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(-360deg);
  }
}

/* About Section */
.about {
  padding: 80px 0;
  background: #1a1a1a;
}

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

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #f5f5f5;
  margin-bottom: 20px;
}

.section-description {
  font-size: 1.1rem;
  color: #a8a8a8;
  line-height: 1.8;
  margin-bottom: 30px;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.feature {
  display: flex;
  align-items: center;
  gap: 10px;
}

.feature i {
  color: #747474;
  font-size: 18px;
}

.feature span {
  font-weight: 500;
  color: #f5f5f5;
}

.about-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-placeholder {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, #747474 0%, #9e9e9e 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 4rem;
}

/* Services Section */
.services {
  padding: 80px 0;
  background: #2d2d2d;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

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

.service-card {
  background: rgba(45, 45, 45, 0.5);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(116, 116, 116, 0.2);
  padding: 40px 30px;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border-color: rgba(116, 116, 116, 0.5);
}

.service-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, #747474 0%, #9e9e9e 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.service-icon i {
  font-size: 24px;
  color: white;
}

.service-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: #f5f5f5;
  margin-bottom: 15px;
}

.service-card p {
  color: #a8a8a8;
  line-height: 1.6;
}

/* Portfolio Section */
.portfolio {
  padding: 80px 0;
  background: #1a1a1a;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.portfolio-item {
  background: rgba(45, 45, 45, 0.5);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(116, 116, 116, 0.2);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
  border-color: rgba(116, 116, 116, 0.5);
}

.portfolio-image {
  height: 200px;
  background: linear-gradient(135deg, #747474 0%, #9e9e9e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
  overflow: hidden;
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.portfolio-content {
  padding: 30px;
}

.portfolio-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: #f5f5f5;
  margin-bottom: 10px;
}

.portfolio-content p {
  color: #a8a8a8;
  line-height: 1.6;
}

/* Contact Section */
.contact {
  padding: 80px 0;
  background: #2d2d2d;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-details {
  margin-top: 30px;
}

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

.contact-item i {
  width: 40px;
  height: 40px;
  background: #747474;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
a {
  color: white;
  text-decoration: none;
}
.contact-form {
  background: rgba(26, 26, 26, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(116, 116, 116, 0.2);
  padding: 40px;
  border-radius: 15px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid rgba(116, 116, 116, 0.3);
  background: rgba(45, 45, 45, 0.8);
  color: #f5f5f5;
  border-radius: 8px;
  font-family: inherit;
  font-size: 16px;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #747474;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #a8a8a8;
}

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

/* Footer */
.footer {
  background: #1a1a1a;
  color: white;
  padding: 60px 0 20px;
  border-top: 1px solid rgba(116, 116, 116, 0.2);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
  margin-bottom: 20px;
  color: white;
}

.footer-section p,
.footer-section ul {
  color: #b5b5b5;
  line-height: 1.8;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 8px;
}

.footer-section ul li a {
  color: #b5b5b5;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: #747474;
}

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

.social-links a {
  width: 40px;
  height: 40px;
  background: #404040;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: #747474;
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #404040;
  color: #a8a8a8;
}

/* Responsive Design */
@media (max-width: 900px) {
  .nav-logo .logo-image {
    height: 35px;
    max-width: 120px;
  }

  .nav-toggle {
    display: flex;
    z-index: 1002;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 80vw;
    max-width: 320px;
    background: rgba(35, 35, 35, 0.98);
    backdrop-filter: blur(12px);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.25);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 80px 32px 32px 32px;
    gap: 32px;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.77, 0, 0.18, 1);
    z-index: 1001;
    border-top-left-radius: 18px;
    border-bottom-left-radius: 18px;
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-item {
    width: 100%;
    margin: 0;
    text-align: left;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 18px 0;
    font-size: 1.2rem;
    border-bottom: 1px solid rgba(116, 116, 116, 0.15);
    color: #f5f5f5;
    transition: color 0.2s;
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .nav-link.active,
  .nav-link:hover {
    color: #747474;
  }

  .nav-container {
    position: relative;
    z-index: 1003;
  }

  /* Enhanced mobile navbar styling */
  .navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    z-index: 1003;
    background: rgba(45, 45, 45, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.18);
    border-bottom-left-radius: 18px;
    border-bottom-right-radius: 18px;
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

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

  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-buttons {
    justify-content: center;
  }

  .btn {
    padding: 12px 24px;
    font-size: 14px;
  }

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

  .services-grid,
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    height: 400px;
    padding: 20px;
  }

  .sphere-container {
    width: 350px;
    height: 350px;
  }

  .hero-svg {
    max-height: 280px;
    max-width: 280px;
  }

  .ring-1 {
    width: 350px;
    height: 350px;
    top: 0;
    left: 0;
  }

  .ring-2 {
    width: 280px;
    height: 280px;
    top: 35px;
    left: 35px;
  }

  .ring-3 {
    width: 210px;
    height: 210px;
    top: 70px;
    left: 70px;
  }

  .ring-4 {
    width: 320px;
    height: 320px;
    top: 15px;
    left: 15px;
  }

  .ring-5 {
    width: 240px;
    height: 240px;
    top: 55px;
    left: 55px;
  }
  .ring-6 {
    display: none;
  }
  .ring-7 {
    display: none;
  }
  .ring-8 {
    display: none;
  }

  .dot {
    width: 6px;
    height: 6px;
  }
}

@media (max-width: 480px) {
  .nav-logo .logo-image {
    height: 40px;
    max-width: 300px;
  }

  .container {
    padding: 0 15px;
  }

  .hero {
    padding: 100px 0 60px;
  }

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

  .btn {
    padding: 10px 20px;
    font-size: 14px;
  }

  .contact-form {
    padding: 30px 20px;
  }
}

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

.animate-fade-in {
  animation: fadeInUp 0.6s ease-out;
}