body,
html {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #111;
  color: #fff;
}

.typing-container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.typing-container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.typing-text {
  font-size: 20px;
  font-weight: bold;
  overflow: hidden;
  white-space: nowrap;
  border-right: 3px solid #3498db;
  animation: typing 3s steps(10) infinite, blink 0.5s step-end infinite alternate;
}

@keyframes typing {
  0% {
    width: 0;
  }

  50% {
    width: 100%;
  }

  100% {
    width: 0;
  }
}

@keyframes blink {
  50% {
    border-color: transparent;
  }
}



/* Dark mode styles */
@media (prefers-color-scheme: dark) {
  .search-container {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  }

  .search-container:focus-within {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  }

  .search-suggestions {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  }
}

/* Dark mode styles */
@media (prefers-color-scheme: dark) {
  .accordion {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  }

  .accordion-item {
    background-color: #2a2a2a;
    color: #fff;
    border-bottom: 1px solid #3a3a3a;
  }

  .accordion-header:hover {
    background-color: #333;
  }

  .accordion-item.active .accordion-header {
    background-color: #333;
  }
}

@keyframes typing {
  0% {
    width: 0;
  }

  50% {
    width: 100%;
  }

  100% {
    width: 0;
  }
}

@keyframes blink {
  50% {
    border-color: transparent;
  }
}

.glowing-button {
  padding: 12px 24px;
  background: transparent;
  color: #00eeff;
  border: 2px solid #00eeff;
  border-radius: 5px;
  font-weight: bold;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 0 5px #00eeff, 0 0 10px #00eeff;
  transition: all 0.3s ease;
}

.glowing-button:hover {
  background: #00eeff;
  color: #000;
  box-shadow: 0 0 10px #00eeff, 0 0 20px #00eeff, 0 0 40px #00eeff;
}

.glowing-button a {
  color: inherit;
  text-decoration: none;
}

/* Default: Night (Light text, dark bg) */
body {
  background: #111 !important;
  color: #fff !important;
}

body .main-nav,
body .show-section,
body .education-section,
body .skills-section,
body .services-section,
body .projects-section,
body .contact-section,
body .service-card,
body .project-card,
body .img-rectangle,
body .edu-block,
body .-chat-box,
body .-chat-header,
body .-chat-body {
  background: #111 !important;
  color: #fff !important;
}

body h1,
body h2,
body h3,
body h4,
body h5,
body h6,
body p,
body span,
body li,
body label,
body .portfolio-text,
body .edu-title,
body .edu-school,
body .edu-detail,
body .edu-honor,
body .btn-demo,
body .btn-github,
body .copyright,
body .form-success,
body .form-error,
body .-msg-bot,
body .-msg-user {
  color: #fff !important;
}

/* Light Mode: Day (Black text, white bg) */
body.light-mode {
  background: #fff !important;
  color: #080808 !important;
}

body.light-mode .main-nav,
body.light-mode .show-section,
body.light-mode .education-section,
body.light-mode .skills-section,
body.light-mode .services-section,
body.light-mode .projects-section,
body.light-mode .contact-section,
body.light-mode .service-card,
body.light-mode .project-card,
body.light-mode .img-rectangle,
body.light-mode .edu-block,
body.light-mode .ai-chat-box,
body.light-mode .ai-chat-header,
body.light-mode .ai-chat-body {
  background: #050404 !important;
  color: #181818 !important;
}

body.light-mode h1,
body.light-mode h2,
body.light-mode h3,
body.light-mode h4,
body.light-mode h5,
body.light-mode h6,
body.light-mode p,
body.light-mode span,
body.light-mode li,
body.light-mode label,
body.light-mode .portfolio-text,
body.light-mode .edu-title,
body.light-mode .edu-school,
body.light-mode .edu-detail,
body.light-mode .edu-honor,
body.light-mode .btn-demo,
body.light-mode .btn-github,
body.light-mode .copyright,
body.light-mode .form-success,
body.light-mode .form-error,
body.light-mode .ai-msg-bot,
body.light-mode .ai-msg-user {
  color: #0f0f0f !important;
}

/* Nav links */
nav a,
.main-nav a {
  color: #fff !important;
}

body.light-mode nav a,
body.light-mode .main-nav a {
  color: #f8f0f0 !important;
}

nav a.active,
nav a:hover,
.main-nav a.active,
.main-nav a:hover {
  background: #8ecfff;
  color: #181818 !important;
}

body.light-mode nav a.active,
body.light-mode nav a:hover,
body.light-mode .main-nav a.active,
body.light-mode .main-nav a:hover {
  background: #8ecfff;
  color: #181818 !important;
}

/* Buttons */
.btn-demo,
.btn-send {
  background: #8ecfff;
  color: #181818 !important;
}

.btn-demo:hover,
.btn-send:hover {
  background: #fff;
  color: #181818 !important;
}

body.light-mode .btn-demo,
body.light-mode .btn-send {
  background: #181818;
  color: #030303 !important;
}

body.light-mode .btn-demo:hover,
body.light-mode .btn-send:hover {
  background: #8ecfff;
  color: #181818 !important;
}

body.light-mode .btn-demo,
body.light-mode .btn-send,
body.light-mode .btn-github {
  color: #fff !important;
}

.timeline-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

.timeline {
  position: relative;
}

.timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 4px;
  background: linear-gradient(to bottom, #6a11cb, #2575fc);
  transform-origin: top center;
  transform: scaleY(0);
  animation: grow-line 1.5s ease forwards;
}

.timeline-item {
  position: relative;
  padding-left: 60px;
  margin-bottom: 50px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.timeline-item.active {
  opacity: 1;
  transform: translateY(0);
}

.timeline-dot {
  position: absolute;
  left: 12px;
  top: 5px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  border: 4px solid #6a11cb;
  box-shadow: 0 0 0 4px rgba(106, 17, 203, 0.2);
  transform: scale(0);
  transition: transform 0.3s ease 0.5s;
}

.timeline-item.active .timeline-dot {
  transform: scale(1);
}

.timeline-content {
  background-color: #0f0f0f;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  position: relative;
}

.timeline-content::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 15px;
  width: 0;
  height: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-right: 10px solid #fff;
}

.timeline-date {
  display: inline-block;
  padding: 4px 12px;
  background: linear-gradient(135deg, #6a11cb, #2575fc);
  color: white;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
}

.timeline-content h3 {
  margin: 0 0 10px;
  color: #333;
  font-size: 18px;
}

.timeline-content p {
  margin: 0;
  color: #666;
  line-height: 1.5;
}

@keyframes grow-line {
  from {
    transform: scaleY(0);
  }

  to {
    transform: scaleY(1);
  }
}

/* Optional control buttons */
.timeline-controls {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 20px;
}

.timeline-btn {
  padding: 8px 16px;
  background: linear-gradient(135deg, #6a11cb, #2575fc);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
}

.timeline-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Responsive styles */
@media (min-width: 768px) {
  .timeline-line {
    left: 50%;
    margin-left: -2px;
  }

  .timeline-item {
    padding-left: 0;
    width: 50%;
  }

  .timeline-item:nth-child(odd) {
    padding-right: 40px;
    margin-left: 0;
    margin-right: auto;
    text-align: right;
  }

  .timeline-item:nth-child(even) {
    padding-left: 40px;
    margin-left: auto;
    margin-right: 0;
  }

  .timeline-dot {
    left: auto;
    right: -14px;
  }

  .timeline-item:nth-child(even) .timeline-dot {
    right: auto;
    left: -14px;
  }

  .timeline-item:nth-child(odd) .timeline-content::before {
    left: auto;
    right: -10px;
    border-right: none;
    border-left: 10px solid #fff;
  }
}

/* Dark mode styles */
@media (prefers-color-scheme: dark) {
  .timeline-content {
    background-color: #2a2a2a;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  }

  .timeline-content::before {
    border-right-color: #2a2a2a;
  }

  .timeline-item:nth-child(odd) .timeline-content::before {
    border-left-color: #2a2a2a;
  }

  .timeline-dot {
    background: #333;
    border-color: #8a3eff;
    box-shadow: 0 0 0 4px rgba(138, 62, 255, 0.2);
  }

  .timeline-date {
    background: linear-gradient(135deg, #8a3eff, #3a7bd5);
  }

  .timeline-content h3 {
    color: #eee;
  }

  .timeline-content p {
    color: #bbb;
  }

  .timeline-line {
    background: linear-gradient(to bottom, #8a3eff, #3a7bd5);
  }

  .timeline-btn {
    background: linear-gradient(135deg, #8a3eff, #3a7bd5);
  }
}

/* Card backgrounds */
.service-card,
.project-card,
.img-rectangle,
.edu-block {
  background: #232323 !important;
}

body.light-mode .service-card,
body.light-mode .project-card,
body.light-mode .img-rectangle,
body.light-mode .edu-block {
  background: #fff !important;
}

/* Chat */
.ai-chat-box,
.ai-chat-header,
.ai-chat-body {
  background: #232323 !important;
  color: #fff !important;
}

body.light-mode .ai-chat-box,
body.light-mode .ai-chat-header,
body.light-mode .ai-chat-body {
  background: #fff !important;
  color: #181818 !important;
}

.ai-msg-bot {
  background: #8ecfff !important;
  color: #181818 !important;
}

.ai-msg-user {
  background: #333 !important;
  color: #fff !important;
}

body.light-mode .ai-msg-bot {
  background: #8ecfff !important;
  color: #181818 !important;
}

body.light-mode .ai-msg-user {
  background: #e0e0e0 !important;
  color: #181818 !important;
}

/* Force black text in dark mode */
body:not(.light-mode),
html:not(.light-mode) {
  color: #000 !important;
}

body:not(.light-mode) .main-nav a,
body:not(.light-mode) .show-section,
body:not(.light-mode) .education-section,
body:not(.light-mode) .skills-section,
body:not(.light-mode) .services-section,
body:not(.light-mode) .projects-section,
body:not(.light-mode) .contact-section,
body:not(.light-mode) .service-card,
body:not(.light-mode) .project-card,
body:not(.light-mode) .img-rectangle,
body:not(.light-mode) .edu-block,
body:not(.light-mode) .btn-demo,
body:not(.light-mode) .btn-github,
body:not(.light-mode) .ai-chat-box,
body:not(.light-mode) .ai-chat-header,
body:not(.light-mode) .ai-chat-body,
body:not(.light-mode) .ai-msg-bot,
body:not(.light-mode) .ai-msg-user,
body:not(.light-mode) .copyright,
body:not(.light-mode) .portfolio-text,
body:not(.light-mode) .show-left h2,
body:not(.light-mode) .show-left p,
body:not(.light-mode) .education-left h1,
body:not(.light-mode) .education-left p,
body:not(.light-mode) .skills-section h1,
body:not(.light-mode) .service-card h2,
body:not(.light-mode) .service-card p,
body:not(.light-mode) .projects-section h1,
body:not(.light-mode) .project-card h2,
body:not(.light-mode) .project-card p,
body:not(.light-mode) .contact-section h1,
body:not(.light-mode) .connect-section h2,
body:not(.light-mode) .form-success,
body:not(.light-mode) .form-error {
  color: #f8f7f7 !important;
}

/* Hero Section Styles */
.hero-container {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.bg-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 90vh;
  object-fit: cover;
  filter: grayscale(1) brightness(0.5);
  z-index: 1;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.8);
  z-index: 2;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 3;
}

.fade-in {
  opacity: 0;
  font-size: 2.2rem;
  letter-spacing: 2.5px;
  animation: fadeIn 2s forwards;
}

.slide-up {
  opacity: 0;
  font-size: 4.5rem;
  font-weight: bold;
  margin: 30px 0 15px 0;
  letter-spacing: 4px;
  animation: slideUp 2s 2s forwards;
}

.portfolio-text {
  display: inline-block;
  font-size: 1.2rem;
  padding: 8px 20px;
  border: 2px solid #fff;
  border-radius: 30px;
  margin-top: 10px;
  background: rgba(248, 244, 244, 0.1);
  color: #fff;
  opacity: 0;
  animation: fadeIn 2s 4s forwards;
}

.down-arrow {
  position: absolute;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%);
  font-size: 3rem;
  color: #fff;
  text-decoration: none;
  z-index: 4;
  animation: bounce 2s infinite;
  transition: color 0.3s;
}

.down-arrow:hover {
  color: #ccc;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

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

@keyframes bounce {

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

  50% {
    transform: translateX(-50%) translateY(15px);
  }
}

/* Show Section Styles */
.show-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80vh;
  gap: 60px;
  padding: 60px 5vw;
}

.show-left {
  flex: 1;
  max-width: 400px;
}

.show-left h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.show-left p {
  font-size: 1.2rem;
  line-height: 1.6;
}

.show-right {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.img-rectangle {
  width: 250px;
  height: 250px;
  background: #222;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition: box-shadow 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 90vw;
  max-height: 90vw;
  margin: 0 auto;
}

.img-rectangle:hover {
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.8);
}

.img-rectangle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  background: #222;
}

/* --- Education Section Styles --- */
.education-section {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 60px;
  padding: 80px 5vw 60px 5vw;
  background: #111;
}

.education-left {
  flex: 1;
  max-width: 400px;
}

.education-left h1 {
  font-size: 2.7rem;
  margin-bottom: 18px;
  color: #fff;
  letter-spacing: 2px;
}

.education-left p {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #ccc;
}

.education-right {
  flex: 2;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.edu-block {
  background: rgba(34, 34, 34, 0.98);
  border-radius: 10px;
  padding: 22px 28px 18px 28px;
  margin-bottom: 0;
  box-shadow: 0 2px 18px 0 rgba(0, 0, 0, 0.10);
  position: relative;
  z-index: 2;
  animation: fadeInUp 1s both;
}

.edu-title {
  font-size: 1.25rem;
  font-weight: bold;
  color: #fff;
  margin-bottom: 6px;
}

.edu-school {
  font-size: 1.05rem;
  color: #8ecfff;
  margin-bottom: 4px;
}

.edu-detail,
.edu-honor {
  font-size: 1rem;
  color: #bbb;
  margin-bottom: 2px;
}

.edu-honor {
  color: #ffe082;
}

.edu-line {
  width: 4px;
  height: 40px;
  background: linear-gradient(180deg, #8ecfff 0%, #222 100%);
  margin: 0 auto 0 32px;
  border-radius: 2px;
  position: relative;
  z-index: 1;
  opacity: 0;
  animation: growLine 0.7s forwards;
  animation-delay: 0.7s;
}

.edu-block:nth-of-type(1) {
  animation-delay: 0.2s;
}

.edu-line:nth-of-type(2) {
  animation-delay: 0.7s;
}

.edu-block:nth-of-type(3) {
  animation-delay: 1.1s;
}

.edu-line:nth-of-type(4) {
  animation-delay: 1.6s;
}

.edu-block:nth-of-type(5) {
  animation-delay: 2.0s;
}

.edu-line:nth-of-type(6) {
  animation-delay: 2.5s;
}

.edu-block:nth-of-type(7) {
  animation-delay: 2.9s;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }

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

@keyframes growLine {
  from {
    height: 0;
    opacity: 0;
  }

  to {
    height: 40px;
    opacity: 1;
  }
}

/* Skills Section Styles */
.skills-section {
  padding: 80px 5vw 60px 5vw;
  background: #111;
  text-align: center;
}

.skills-section h1 {
  font-size: 2.7rem;
  color: #fff;
  margin-bottom: 40px;
  letter-spacing: 2px;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
}

.skill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.6s, transform 0.6s;
  font-size: 2.2rem;
  color: #8ecfff;
}

.skill-item span {
  margin-top: 12px;
  font-size: 1.1rem;
  color: #fff;
  letter-spacing: 1px;
}

.skill-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.skill-item i {
  font-size: 3.5rem;
  margin-bottom: 8px;
  transition: color 0.3s;
}

/* Hover color for each skill */
.skill-item:hover i.fa-html5 {
  color: #e44d26;
}

.skill-item:hover i.fa-css3-alt {
  color: #1572b6;
}

.skill-item:hover i.fa-js {
  color: #f7df1e;
}

.skill-item:hover i.fa-java {
  color: #007396;
}

.skill-item:hover i.fa-database {
  color: #4db33d;
}

.skill-item:hover i.fa-android {
  color: #3ddc84;
}

/* Services Section Styles */
.services-section {
  padding: 80px 5vw 60px 5vw;
  background: #181818;
  text-align: center;
}

.services-section h1 {
  font-size: 2.7rem;
  color: #fff;
  margin-bottom: 40px;
  letter-spacing: 2px;
}

.services-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
}

.service-card {
  background: #232323;
  border-radius: 16px;
  box-shadow: 0 4px 24px 0 rgba(0, 0, 0, 0.18);
  padding: 38px 28px 32px 28px;
  width: 300px;
  max-width: 90vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.service-card i {
  font-size: 3rem;
  color: #8ecfff;
  margin-bottom: 18px;
  transition: color 0.3s, transform 0.3s;
}

.service-card h2 {
  font-size: 1.35rem;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.service-card p {
  color: #bbb;
  font-size: 1.05rem;
  line-height: 1.6;
}

.service-card:hover {
  transform: translateY(-18px) scale(1.04);
  box-shadow: 0 12px 36px 0 rgba(30, 180, 255, 0.18);
  border: 1px solid #8ecfff;
}

.service-card:hover i {
  color: #fff;
  transform: scale(1.15) rotate(-8deg);
}

/* Projects Section Styles */
.projects-section {
  padding: 80px 5vw 60px 5vw;
  background: #111;
  text-align: center;
}

.projects-section h1 {
  font-size: 2.7rem;
  color: #fff;
  margin-bottom: 40px;
  letter-spacing: 2px;
}

.projects-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
}

.project-card {
  background: #232323;
  border-radius: 16px;
  box-shadow: 0 4px 24px 0 rgba(0, 0, 0, 0.18);
  padding: 0 0 28px 0;
  width: 320px;
  max-width: 90vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.project-img {
  width: 100%;
  height: 180px;
  background: #181818;
  border-radius: 16px 16px 0 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.project-card h2 {
  font-size: 1.25rem;
  color: #fff;
  margin: 18px 0 10px 0;
  letter-spacing: 1px;
}

.project-card p {
  color: #bbb;
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0 18px 18px 18px;
}

.project-links {
  display: flex;
  gap: 14px;
  margin-top: 10px;
}

.btn-demo,
.btn-github {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 22px;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.3s, color 0.3s, box-shadow 0.3s;
  border: none;
  cursor: pointer;
}

.btn-demo {
  background: #8ecfff;
  color: #181818;
  box-shadow: 0 2px 8px 0 rgba(30, 180, 255, 0.10);
}

.btn-demo:hover {
  background: #fff;
  color: #181818;
}

.btn-github {
  background: #232323;
  color: #8ecfff;
  border: 1px solid #8ecfff;
}

.btn-github:hover {
  background: #8ecfff;
  color: #232323;
}

.btn-github i {
  margin-right: 8px;
  font-size: 1.2rem;
}

/* Contact Section Styles */
.contact-section {
  padding: 80px 5vw 40px 5vw;
  background: #181818;
  text-align: center;
}

.contact-section h1 {
  font-size: 2.7rem;
  color: #fff;
  margin-bottom: 32px;
  letter-spacing: 2px;
}

.contact-form {
  max-width: 420px;
  margin: 0 auto 40px auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 8px;
  border: none;
  background: #232323;
  color: #fff;
  font-size: 1rem;
  resize: none;
  outline: none;
  transition: box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  box-shadow: 0 0 0 2px #8ecfff;
}

.btn-send {
  background: #8ecfff;
  color: #181818;
  border: none;
  border-radius: 22px;
  padding: 12px 32px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
  margin-top: 8px;
}

.btn-send:hover {
  background: #fff;
  color: #181818;
}

.connect-section {
  margin: 40px 0 18px 0;
}

.connect-section h2 {
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 28px;
}

.social-icons a {
  color: #8ecfff;
  font-size: 2.2rem;
  transition: color 0.3s, transform 0.3s;
}

.social-icons a:hover {
  color: #fff;
  transform: scale(1.18) rotate(-8deg);
}

.copyright {
  margin-top: 40px;
  color: #bbb;
  font-size: 1rem;
  letter-spacing: 1px;
}

/* Success/Error message for contact form */
.form-success {
  color: #4db33d;
  margin-top: 18px;
  font-weight: 600;
}

.form-error {
  color: #e44d26;
  margin-top: 18px;
  font-weight: 600;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 32px;
  background: #8ecfff;
  color: #181818;
  font-size: 2rem;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

/* Navigation Styles */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 5vw;
  background: rgba(248, 247, 247, 0.925);
  position: relative;
  z-index: 10;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-size: 1.1rem;
  margin: 0 15px;
  transition: color 0.3s, transform 0.3s;
}

nav a:hover {
  color: #8ecfff;
  transform: translateY(-2px);
}

nav a.active {
  color: #8ecfff;
  border-bottom: 2px solid #8ecfff;
}

/* Bubble Zoom */
.bubble-zoom {
  display: inline-block;
  transition: transform 0.3s cubic-bezier(.25, 1.5, .5, 1.1), box-shadow 0.3s;
  cursor: pointer;
}

.bubble-zoom:hover {
  transform: scale(1.18);
  box-shadow: 0 4px 24px rgba(142, 207, 255, 0.18);
  background: rgba(142, 207, 255, 0.08);
  border-radius: 8px;
}

/* AI Chat Styles */
.ai-chat-bubble {
  position: fixed;
  bottom: 90px;
  /* arrow se upar */
  right: 32px;
  background: #8ecfff;
  color: #181818;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
  cursor: pointer;
  z-index: 2000;
  transition: background 0.3s;
}

.ai-chat-bubble:hover {
  background: #fff;
}

.ai-chat-box {
  position: fixed;
  bottom: 100px;
  right: 32px;
  width: 320px;
  max-width: 95vw;
  background: #232323;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  display: none;
  flex-direction: column;
  z-index: 2001;
  overflow: hidden;
}

.ai-chat-box.open {
  display: flex;
  animation: fadeInUp 0.4s;
}

.ai-chat-header {
  background: #8ecfff;
  color: #181818;
  padding: 12px 16px;
  font-weight: bold;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ai-chat-header button {
  background: none;
  border: none;
  font-size: 1.3rem;
  color: #181818;
  cursor: pointer;
}

.ai-chat-body {
  padding: 16px;
  background: #232323;
  min-height: 60px;
  max-height: 180px;
  overflow-y: auto;
  font-size: 1rem;
  color: #fff;
  flex: 1;
}

.ai-msg {
  margin-bottom: 10px;
  padding: 8px 12px;
  border-radius: 12px;
  max-width: 80%;
  word-break: break-word;
}

.ai-msg-bot {
  background: #8ecfff;
  color: #181818;
  align-self: flex-start;
}

.ai-msg-user {
  background: #333;
  color: #fff;
  align-self: flex-end;
  margin-left: auto;
}

.ai-chat-form {
  display: flex;
  border-top: 1px solid #444;
  background: #232323;
}

.ai-chat-form input {
  flex: 1;
  padding: 10px 12px;
  border: none;
  background: #232323;
  color: #fff;
  font-size: 1rem;
  outline: none;
}

.ai-chat-form button {
  background: #8ecfff;
  border: none;
  color: #181818;
  font-size: 1.2rem;
  padding: 0 18px;
  cursor: pointer;
  border-radius: 0 0 16px 0;
  transition: background 0.3s;
}

.ai-chat-form button:hover {
  background: #07f72f;
}

.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  background: rgba(17, 17, 17, 0.98);
  z-index: 1001;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 0 0 0;
}

.main-nav ul {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 14px 0 14px 0;
}

.main-nav a {
  color: #ffffff;
  text-decoration: none;
  font-size: 1.08rem;
  font-weight: 500;
  letter-spacing: 1px;
  padding: 6px 10px;
  border-radius: 6px;
  transition: background 0.2s, color 0.2s;
}

.main-nav a.active,
.main-nav a:hover {
  background: #8ecfff;
  color: #181818;
}

.toggle-mode {
  background: none;
  border: none;
  color: #8ecfff;
  font-size: 1.3rem;
  margin-left: 24px;
  cursor: pointer;
  transition: color 0.3s;
}

.toggle-mode:hover {
  color: #0e0d0d;
}

@media (max-width: 700px) {
  .skills-list {
    gap: 24px;
  }

  .skill-item i {
    font-size: 2.2rem;
  }

  .main-nav ul {
    gap: 12px;
  }

  .main-nav a {
    font-size: 0.98rem;
  }
}


@media (max-width: 900px) {

  .show-section,
  .education-section,
  .services-list,
  .projects-list {
    flex-direction: column !important;
    gap: 24px !important;
    padding: 40px 2vw !important;
    min-height: 60vh;
    align-items: center;
  }

  .show-right,
  .education-right {
    justify-content: center;
    width: 100%;
  }

  .img-rectangle {
    width: 90vw;
    max-width: 250px;
    height: 90vw;
    max-height: 250px;
  }

  .service-card,
  .project-card {
    width: 90vw;
    max-width: 400px;
  }

  .project-img {
    height: 160px;
  }

  .skills-list {
    gap: 24px;
    flex-wrap: wrap;
  }

  .skill-item i {
    font-size: 2.2rem;
  }

  .contact-form {
    max-width: 98vw;
  }
}


@media (max-width: 500px) {
  .img-rectangle {
    width: 98vw;
    height: 98vw;
    max-width: none;
    max-height: none;
  }

  .service-card,
  .project-card {
    width: 98vw;
    max-width: none;
  }

  .project-img {
    height: 120px;
  }

  .skills-section,
  .services-section,
  .projects-section,
  .contact-section {
    padding: 30px 2vw !important;
  }
}

/* Page Loader Styles */
.neon-loader {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100px;
  height: 100px;
}

.neon-loader-ring {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 4px solid transparent;
  border-top: 4px solid #0ff;
  animation: neon-spin 1s linear infinite;
}

.neon-loader-ring::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  border: 4px solid transparent;
  border-top: 4px solid #0ff;
  filter: blur(5px);
  opacity: 0.7;
  animation: neon-glow 1.5s ease-in-out infinite;
}

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

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

@keyframes neon-glow {

  0%,
  100% {
    filter: blur(5px);
    opacity: 0.7;
  }

  50% {
    filter: blur(10px);
    opacity: 1;
  }
}

/* Scroll Progress Bar */
#scrollBar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 4px;
  background: #8ecfff;
  z-index: 2002;
  transition: width 0.2s;
}

/* Navbar Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #8ecfff;
  font-size: 2rem;
  margin-left: 18px;
  cursor: pointer;
  z-index: 1100;
}

@media (max-width: 700px) {
  .main-nav ul {
    position: fixed;
    top: 54px;
    right: -100vw;
    width: 70vw;
    max-width: 320px;
    height: 100vh;
    background: #111;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 32px 0 0 0;
    margin: 0;
    box-shadow: 0 0 24px rgba(0, 0, 0, 0.18);
    transition: right 0.3s;
    z-index: 1100;
  }

  .main-nav ul.open {
    right: 0;
  }

  .main-nav li {
    width: 100%;
    border-bottom: 1px solid #232323;
  }

  .main-nav a {
    display: block;
    width: 100%;
    padding: 16px 24px;
    font-size: 1.1rem;
    color: #fff;
  }

  .nav-toggle {
    display: block;
  }

  .toggle-mode {
    margin-left: 8px;
  }

  body.light-mode .main-nav ul {
    background: #fff;
  }

  body.light-mode .main-nav a {
    color: #181818;
  }
}

/* Dark/Light Mode Text Color */
body {
  background: #111 !important;
  color: #fff !important;
}

body h1,
body h2,
body h3,
body h4,
body h5,
body h6,
body p,
body span,
body li,
body label,
body .portfolio-text,
body .edu-title,
body .edu-school,
body .edu-detail,
body .edu-honor,
body .btn-demo,
body .btn-github,
body .copyright,
body .form-success,
body .form-error,
body .ai-msg-bot,
body .ai-msg-user {
  color: #fcf9f9 !important;
}

body.light-mode {
  background: #111111 !important;
  color: #181818 !important;
}

body.light-mode h1,
body.light-mode h2,
body.light-mode h3,
body.light-mode h4,
body.light-mode h5,
body.light-mode h6,
body.light-mode p,
body.light-mode span,
body.light-mode li,
body.light-mode label,
body.light-mode .portfolio-text,
body.light-mode .edu-title,
body.light-mode .edu-school,
body.light-mode .edu-detail,
body.light-mode .edu-honor,
body.light-mode .btn-demo,
body.light-mode .btn-github,
body.light-mode .copyright,
body.light-mode .form-success,
body.light-mode .form-error,
body.light-mode .ai-msg-bot,
body.light-mode .ai-msg-user {
  color: #f7f2f2 !important;
}

/* Rest of your existing CSS... */