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

:root {
  --primary-color: #ffb400;
  --secondary-color: #1e1e1e;
  --text-color: #fff;
  --text-secondary: #d1d1d1;
  --bg-dark: #0a0a0a;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: 'Open Sans', sans-serif;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
  color: var(--text-color);
  overflow-x: hidden;
  line-height: 1.6;
}

h1,
h2,
h3 {
  font-family: 'Poppins', sans-serif;
}

/* Animated Background Particles */
.particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 50%;
  opacity: 0.3;
  animation: float-particle 20s infinite;
}

@keyframes float-particle {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
    opacity: 0;
  }

  10% {
    opacity: 0.3;
  }

  90% {
    opacity: 0.3;
  }

  100% {
    transform: translate(var(--tx), var(--ty)) scale(0);
    opacity: 0;
  }
}

/* Gradient Orbs */
.gradient-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
  animation: float-orb 15s ease-in-out infinite;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #ffb400 0%, transparent 70%);
  top: -200px;
  right: -200px;
}

.orb-2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, #ff6b6b 0%, transparent 70%);
  bottom: -150px;
  left: -150px;
  animation-delay: 5s;
}

.orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, #4ecdc4 0%, transparent 70%);
  top: 50%;
  left: 50%;
  animation-delay: 10s;
}

@keyframes float-orb {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(100px, -100px) scale(1.1);
  }

  66% {
    transform: translate(-100px, 100px) scale(0.9);
  }
}

/* Navigation */
.nav-container {
  position: fixed;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
}

.icon-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.icon-box {
  position: relative;
  width: 55px;
  height: 55px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.icon-box::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  background: linear-gradient(45deg, var(--primary-color), #ff6b6b, #4ecdc4);
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
}

.icon-box:hover::before,
.icon-box.active::before {
  opacity: 1;
  animation: rotate-gradient 3s linear infinite;
}

@keyframes rotate-gradient {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.icon-box:hover,
.icon-box.active {
  background: rgba(255, 180, 0, 0.2);
  transform: scale(1.15);
}

.icon-box i {
  font-size: 20px;
  color: var(--text-color);
  transition: var(--transition);
}

.icon-box:hover i {
  transform: rotate(360deg) scale(1.1);
  color: var(--primary-color);
}

.icon-box a {
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

.icon-box h2 {
  position: absolute;
  right: 70px;
  background: rgba(30, 30, 30, 0.95);
  backdrop-filter: blur(10px);
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  pointer-events: none;
  border: 1px solid rgba(255, 180, 0, 0.3);
}

.icon-box:hover h2 {
  opacity: 1;
  visibility: visible;
  right: 75px;
}

/* Mobile Menu */
.mobile-nav {
  display: none;
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1001;
}

.menu-toggle {
  width: 50px;
  height: 50px;
  background: rgba(255, 180, 0, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
  box-shadow: 0 8px 32px rgba(255, 180, 0, 0.3);
}

.menu-toggle:hover {
  transform: scale(1.1);
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--bg-dark);
  transition: var(--transition);
  border-radius: 2px;
}

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

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

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

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: rgba(30, 30, 30, 0.95);
  backdrop-filter: blur(20px);
  padding: 100px 30px 30px;
  transition: var(--transition);
  box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
  border-left: 1px solid rgba(255, 180, 0, 0.2);
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu ul {
  list-style: none;
}

.mobile-menu li {
  margin-bottom: 20px;
}

.mobile-menu a {
  display: flex;
  align-items: center;
  gap: 15px;
  color: var(--text-color);
  text-decoration: none;
  font-size: 16px;
  padding: 15px;
  border-radius: 10px;
  transition: var(--transition);
  position: relative;
}

.mobile-menu a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--primary-color);
  transform: scaleY(0);
  transition: var(--transition);
}

.mobile-menu a:hover::before,
.mobile-menu a.active::before {
  transform: scaleY(1);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  background: rgba(255, 180, 0, 0.1);
  padding-left: 25px;
}

/* Loader */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.8s, visibility 0.8s;
}

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

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

.spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 180, 0, 0.2);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loader-text {
  color: var(--primary-color);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 2px;
  animation: pulse-text 1.5s ease-in-out infinite;
}

@keyframes pulse-text {

  0%,
  100% {
    opacity: 0.5;
  }

  50% {
    opacity: 1;
  }
}

/* Main Container */
.main-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 80px 50px;
  position: relative;
  z-index: 1;
}

/* Title Section */
.title-section {
  text-align: center;
  margin-bottom: 80px;
  position: relative;
  animation: fadeInDown 1s ease-out;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }

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

.title-section h1 {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 900;
  color: var(--text-color);
  position: relative;
  display: inline-block;
  text-transform: uppercase;
}

.title-section h1 span {
  background: linear-gradient(135deg, var(--primary-color), #ff6b6b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.title-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(5rem, 12vw, 8rem);
  font-weight: 900;
  color: rgba(255, 255, 255, 0.02);
  z-index: -1;
  white-space: nowrap;
  text-transform: uppercase;
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 60px;
  flex-wrap: wrap;
  animation: fadeInDown 1s ease-out 0.3s both;
}

.filter-tab {
  padding: 12px 30px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  color: var(--text-secondary);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.filter-tab::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-color), #ff6b6b);
  opacity: 0;
  transition: var(--transition);
}

.filter-tab:hover::before,
.filter-tab.active::before {
  opacity: 1;
}

.filter-tab span {
  position: relative;
  z-index: 1;
}

.filter-tab:hover,
.filter-tab.active {
  color: var(--bg-dark);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255, 180, 0, 0.4);
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

.portfolio-item {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  animation: fadeInUp 0.8s ease-out both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }

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

.portfolio-item.hidden {
  display: none;
}

.portfolio-item:nth-child(1) {
  animation-delay: 0.1s;
}

.portfolio-item:nth-child(2) {
  animation-delay: 0.2s;
}

.portfolio-item:nth-child(3) {
  animation-delay: 0.3s;
}

.portfolio-item:nth-child(4) {
  animation-delay: 0.4s;
}

.portfolio-item:hover {
  transform: translateY(-15px);
  border-color: rgba(255, 180, 0, 0.5);
  box-shadow: 0 20px 60px rgba(255, 180, 0, 0.3);
}

.portfolio-image-wrapper {
  position: relative;
  overflow: hidden;
  height: 300px;
}

.portfolio-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.project-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 8px 16px;
  background: rgba(255, 180, 0, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  color: var(--bg-dark);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  z-index: 2;
  animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 180, 0, 0.95), rgba(255, 107, 107, 0.95));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  padding: 20px;
}

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

.portfolio-title {
  color: var(--bg-dark);
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 10px;
  transform: translateY(20px);
  transition: var(--transition);
  transition-delay: 0.1s;
}

.portfolio-category {
  color: var(--bg-dark);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.8;
  transform: translateY(20px);
  transition: var(--transition);
  transition-delay: 0.15s;
}

.portfolio-item:hover .portfolio-title,
.portfolio-item:hover .portfolio-category {
  transform: translateY(0);
}

.portfolio-info {
  padding: 25px;
  background: rgba(255, 255, 255, 0.02);
}

.portfolio-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-color);
}

.portfolio-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}

.tech-tag {
  padding: 5px 12px;
  background: rgba(255, 180, 0, 0.1);
  border: 1px solid rgba(255, 180, 0, 0.3);
  border-radius: 15px;
  font-size: 0.75rem;
  color: var(--primary-color);
  font-weight: 600;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  overflow-y: auto;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.modal.active {
  display: block;
}

.modal-content {
  max-width: 1200px;
  margin: 50px auto;
  padding: 40px;
  position: relative;
  animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }

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

.modal-close {
  position: fixed;
  top: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: rgba(255, 180, 0, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  z-index: 2001;
}

.modal-close:hover {
  background: var(--primary-color);
  transform: scale(1.1) rotate(90deg);
}

.modal-close i {
  font-size: 24px;
  color: var(--bg-dark);
}

.modal-header {
  margin-bottom: 40px;
  text-align: center;
}

.modal-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 30px;
  background: linear-gradient(135deg, var(--primary-color), #ff6b6b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.project-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  padding: 30px;
  margin-bottom: 40px;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.info-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--primary-color);
  font-size: 0.9rem;
}

.info-value {
  color: var(--text-secondary);
  line-height: 1.6;
}

.info-value a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

.info-value a:hover {
  color: #ff6b6b;
  text-decoration: underline;
}

.project-images {
  display: grid;
  gap: 30px;
}

.project-images img {
  width: 100%;
  border-radius: 15px;
  border: 2px solid rgba(255, 180, 0, 0.2);
  transition: var(--transition);
}

.project-images img:hover {
  transform: scale(1.02);
  border-color: var(--primary-color);
  box-shadow: 0 10px 40px rgba(255, 180, 0, 0.3);
}

/* Navigation Arrows */
.modal-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2001;
}

.modal-nav.prev {
  left: 30px;
}

.modal-nav.next {
  right: 30px;
}

.nav-arrow {
  width: 50px;
  height: 50px;
  background: rgba(255, 180, 0, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.nav-arrow:hover {
  background: var(--primary-color);
  transform: scale(1.2);
}

.nav-arrow i {
  font-size: 24px;
  color: var(--bg-dark);
}

/* Scroll Indicator */
.scroll-indicator {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  animation: bounce 2s infinite;
}

.scroll-indicator i {
  font-size: 24px;
  color: var(--primary-color);
}

@keyframes bounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(-10px);
  }
}

/* Responsive */
@media (max-width: 1024px) {
  .nav-container {
    display: none;
  }

  .mobile-nav {
    display: block;
  }

  .main-container {
    padding: 60px 30px;
  }

  .portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .main-container {
    padding: 40px 20px;
  }

  .title-section {
    margin-bottom: 50px;
  }

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

  .modal-content {
    padding: 20px;
    margin: 20px;
  }

  .modal-close {
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
  }

  .modal-nav {
    display: none;
  }

  .project-info {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .orb-1,
  .orb-2,
  .orb-3 {
    opacity: 0.2;
  }

  .filter-tabs {
    gap: 10px;
  }

  .filter-tab {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}