@import url("https://fonts.googleapis.com/css2?family=Orbitron:wght@700&family=Source+Sans+3:wght@400;600&display=swap");

/* Basic Reset & CSS Variables */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
  border: none;
  outline: none;
  scroll-behavior: smooth;
}

:root {
  --bg-color: #1f242d;
  --second-bg-color: #323946;
  --text-color: #fff;
  --main-color: #0ef;
  --light-bg-color: #f0f2f5;
  --light-second-bg-color: #ffffff;
  --light-text-color: #333;
  --gradient-primary: linear-gradient(45deg, var(--main-color), #00d4ff);
  --gradient-secondary: linear-gradient(135deg, var(--main-color), #00b8ff);
  --shadow-primary: 0 0 1rem var(--main-color);
  --shadow-secondary: 0 0 2rem var(--main-color);
  --border-radius: 1rem;
  --transition: all 0.3s ease;
}
/* Seamless Transition Animation */
body.portal-exit-active {
  animation: contentAppear 1s ease-out forwards;
}

@keyframes contentAppear {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
/* Progress Bar */
.portal-progress {
  position: absolute;
  bottom: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  z-index: 4;
}

.portal-progress .progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--main-color), #00d4ff);
  border-radius: 2px;
  width: 0%;
  animation: progressFill 2s ease-in-out forwards;
  box-shadow: 0 0 10px var(--main-color);
}

@keyframes progressFill {
  0% {
    width: 0%;
  }
  100% {
    width: 100%;
  }
}


/* Ensure dark background during transition */
body.portal-entrance {
  background: linear-gradient(
    135deg,
    #0a0a0a 0%,
    #1a1a2e 50%,
    #16213e 100%
  ) !important;
}

/* Prevent any white flashes */
body.portal-entrance * {
  background-color: transparent !important;
}

/* Smooth fade for all content */
body.portal-entrance * {
  transition: opacity 0.3s ease-in-out;
}



/* ---- BACK TO TOP BUTTON ---- */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 5rem;
  height: 5rem;
  background: var(--main-color);
  color: var(--bg-color);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(100px);
  transition: var(--transition);
  z-index: 1000;
  box-shadow: var(--shadow-primary);
}

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

#back-to-top:hover {
  background: var(--text-color);
  box-shadow: var(--shadow-secondary);
  transform: translateY(-5px);
}

/* ---- PARTICLES.JS BACKGROUND ---- */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-color: var(--bg-color);
  
}

html {
  font-size: 62.5%;
  overflow-x: hidden;
}

body {
  font-family: "Source Sans 3", sans-serif;
  font-weight: 400;
  color: var(--text-color);
  line-height: 1.6;
  background: var(--bg-color); 
}

h1,
h2,
h3,
.logo,
.home-content h3 {
  font-family: "Orbitron", sans-serif;
  font-weight: 700;
}



.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--second-bg-color);
    transition: var(--transition);
    border-radius: 34px;
}

.slider::before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--main-color);
}

input:checked + .slider::before {
    transform: translateX(26px);
}
section {
  min-height: 100vh;
  padding: 10rem 9% 2rem;
}

#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 5px;
  background: var(--gradient-primary);
  width: 0%;
  z-index: 101;
  transition: width 0.1s linear;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 2rem 9%;
  background: rgba(31, 36, 45, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  transition: var(--transition);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header.sticky {
  background: rgba(31, 36, 45, 0.98);
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.2);
}

.logo {
  font-size: 2.5rem;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: var(--transition);
}

.logo i {
  color: var(--main-color);
  font-size: 2.8rem;
}

.logo:hover {
  color: var(--main-color);
}

.navbar {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.navbar a {
  font-size: 1.7rem;
  color: var(--text-color);
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
}

.navbar a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 3px;
  background: var(--main-color);
  border-radius: 5px;
  transition: width 0.3s ease;
}

.navbar a:hover::after {
  width: 100%;
}

.navbar a:hover,
.navbar a.active {
  color: var(--main-color);
}

/* Dropdown Menu */
.dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dropdown-toggle i {
  font-size: 1.2rem;
  transition: var(--transition);
}

.dropdown:hover .dropdown-toggle i {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--second-bg-color);
  border-radius: var(--border-radius);
  padding: 1rem 0;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 1rem 2rem;
  color: var(--text-color);
  transition: var(--transition);
}

.dropdown-menu a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--main-color);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

#menu-icon {
  font-size: 3.6rem;
  color: var(--text-color);
  display: none;
  background: none;
  cursor: pointer;
  transition: var(--transition);
}

#menu-icon:hover {
  color: var(--main-color);
}

/* General Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 1.2rem 2.8rem;
  background: var(--gradient-primary);
  border-radius: 4rem;
  box-shadow: var(--shadow-primary);
  font-size: 1.6rem;
  color: var(--bg-color);
  letter-spacing: 0.1rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn:hover {
  box-shadow: var(--shadow-secondary);
  transform: translateY(-3px);
}

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

.btn.secondary:hover {
  background: var(--main-color);
  color: var(--bg-color);
}

.heading {
  text-align: center;
  font-size: 4.5rem;
  margin-bottom: 3rem;
}

.heading span {
  color: var(--main-color);
}

/* Hero Section */
.home {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4rem;
  position: relative;
}

.greeting {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.wave {
  font-size: 3rem;
  animation: wave 2s infinite;
}

@keyframes wave {
  0%,
  100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(20deg);
  }
  75% {
    transform: rotate(-20deg);
  }
}
.multiple-text {
  color: var(--main-color);
}
.home-content h1 {
  font-size: 5.6rem;
  line-height: 1.3;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 2rem;
}

.home-content h3:nth-of-type(2) {
  margin-bottom: 2rem;
  font-size: 2.4rem;
}

.home-content p {
  font-size: 1.6rem;
  max-width: 75%;
  margin-bottom: 3rem;
  line-height: 1.8;
}

.home-buttons {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.home-img {
  position: relative;
}

.home-img img {
  width: 30vw;
  animation: floatImage 4s ease-in-out infinite;
  border-radius: 2rem;
  box-shadow: 0 0 2rem rgba(0, 255, 255, 0.3);
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.floating-icon {
  position: absolute;
  width: 4rem;
  height: 4rem;
  background: var(--main-color);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.8rem;
  color: var(--bg-color);
  animation: float 3s ease-in-out infinite;
  animation-delay: var(--delay);
  box-shadow: var(--shadow-primary);
}

.floating-icon:nth-child(1) {
  top: 10%;
  right: -2rem;
}
.floating-icon:nth-child(2) {
  top: 30%;
  right: -1rem;
}
.floating-icon:nth-child(3) {
  top: 50%;
  right: -3rem;
}
.floating-icon:nth-child(4) {
  top: 70%;
  right: -1.5rem;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes floatImage {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-2.4rem);
  }
  100% {
    transform: translateY(0);
  }
}

.social-media {
  display: flex;
  gap: 1.5rem;
}

.social-media a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 4rem;
  height: 4rem;
  background: transparent;
  border: 0.2rem solid var(--main-color);
  border-radius: 50%;
  font-size: 2rem;
  color: var(--main-color);
  transition: var(--transition);
}

.social-media a:hover {
  background: var(--main-color);
  color: var(--bg-color);
  box-shadow: var(--shadow-primary);
  transform: translateY(-3px);
}

/* Navbar Default */
.navbar {
    display: flex;
    gap: 1.5rem;
}

/* Hamburger icon hidden on desktop */
.menu-icon {
    display: none;
    font-size: 2rem;
    cursor: pointer;
    color: #fff;
}

/* Responsive styles */
@media (max-width: 768px) {
    .navbar {
        position: absolute;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: #111;
        width: 200px;
        padding: 1rem;
        transition: 0.3s ease;
    }

    .navbar.active {
        right: 0;
    }

    .menu-icon {
        display: block;
    }
}

/* Prevent horizontal scroll */
body {
    overflow-x: hidden;
}

/* Fix navbar sliding issue */
@media (max-width: 768px) {
    .navbar {
        position: fixed;
        top: 70px;
        right: -220px; /* move just outside viewport */
        flex-direction: column;
        background: #111;
        width: 200px;
        padding: 1rem;
        transition: right 0.3s ease-in-out;
        height: calc(100vh - 70px); /* full height menu */
    }

    .navbar.active {
        right: 0;
    }
}



/* About Section */
.about {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4rem;
  background: transparent;
}

.about-img {
  position: relative;
}

.about-img img {
  width: 30vw;
  animation: floatImage 4s ease-in-out infinite;
  border-radius: 2rem;
  box-shadow: 0 0 2rem rgba(0, 255, 255, 0.3);
}



.about-content h2 {
  text-align: left;
  line-height: 1.2;
  margin-bottom: 2rem;
}

.about-content h3 {
  font-size: 2.4rem;
  margin-bottom: 2rem;
  color: var(--main-color);
}

.about-content p {
  font-size: 1.6rem;
  margin-bottom: 3rem;
  line-height: 1.8;
}

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

.stat-item {
  text-align: center;
  padding: 2rem;
  background: var(--second-bg-color);
  border-radius: var(--border-radius);
  border: 1px solid transparent;
  transition: var(--transition);
}

.stat-item:hover {
  border-color: var(--main-color);
  transform: translateY(-5px);
}

.stat-number {
  display: block;
  font-size: 3rem;
  font-weight: 700;
  color: var(--main-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.4rem;
  color: var(--text-color);
}

/* Skills Section */
.skills h2 {
  margin-bottom: 5rem;
}

.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
  gap: 3rem;
}

.skills-box {
  background: var(--second-bg-color);
  padding: 3rem 2rem 4rem;
  border-radius: var(--border-radius);
  text-align: center;
  border: 0.2rem solid transparent;
  transition: transform 0.3s ease, border-color 0.5s ease, opacity 1s ease,
    filter 1s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.skills-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transition: left 0.5s;
}

.skills-box:hover::before {
  left: 100%;
}

.skills-box:hover {
  border-color: var(--main-color);
  transform: translateY(-10px);
  box-shadow: var(--shadow-primary);
}

.skills-box h3 {
  font-size: 2.4rem;
  margin-bottom: 2rem;
  color: var(--main-color);
}

.skills-box p {
  font-size: 1.6rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.skill-tag {
  background: var(--main-color);
  color: var(--bg-color);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 1.2rem;
  font-weight: 600;
  transition: var(--transition);
}

.skill-tag:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-primary);
}

/* Certification Section */
.certificates {
  position: relative;
  overflow: hidden;
}

.certificates-container {
  position: relative;
  width: 100%;
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding-bottom: 8rem;
}

.certificate-slide {
  display: none;
  width: 100%;
  flex-direction: row;
  align-items: center;
  gap: 5rem;
  padding: 2rem;
}

.certificate-slide.active {
  display: flex;
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.certificate-image-container {
  flex: 1.5;
  position: relative;
  perspective: 1000px;
}

.certificate-image-container img {
  width: 100%;
  border-radius: var(--border-radius);
  transform: rotateY(-20deg) rotateX(5deg);
  box-shadow: -10px 10px 30px rgba(0, 0, 0, 0.4);
  transition: var(--transition);
}

.certificate-image-container:hover img {
  transform: rotateY(0deg) rotateX(0deg) scale(1.05);
}

.certificate-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: var(--transition);
  border-radius: var(--border-radius);
}

.certificate-image-container:hover .project-overlay {
  opacity: 1;
}

.certificate-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.tech-tag {
  background: var(--main-color);
  color: var(--bg-color);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 1.2rem;
  font-weight: 600;
}

.certificate-info {
  flex: 1;
}

.certificate-title {
  font-size: 3.2rem;
  border: 3px solid var(--main-color);
  display: inline-block;
  padding: 0.5rem 1.5rem;
  margin-bottom: 3rem;
  text-transform: uppercase;
  border-radius: var(--border-radius);
}

.certificate-description p {
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.certificate-description p strong {
  color: var(--main-color);
  font-weight: 600;
}

.certificate-links {
  display: flex;              /* make it a flex container */
  justify-content: center;    /* center the items horizontally */
  gap: 1rem;
  margin-top: 2rem;
  margin-bottom: 3.5rem;      /* extra bottom gap before the slider nav */
  flex-wrap: wrap;
}

.slider-nav {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 2rem;
}

.slider-btn {
  width: 5rem;
  height: 5rem;
  background: var(--second-bg-color);
  border: 2px solid var(--main-color);
  color: var(--main-color);
  border-radius: 50%;
  cursor: pointer;
  font-size: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition);
}

.slider-btn:hover {
  background: var(--main-color);
  color: var(--bg-color);
  transform: scale(1.1);
}

.slider-dots {
  display: flex;
  gap: 1rem;
}

.dot {
  width: 1.2rem;
  height: 1.2rem;
  background: var(--second-bg-color);
  border: 2px solid var(--main-color);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
}

.dot.active,
.dot:hover {
  background: var(--main-color);
}

/* Responsive: Certificates layout on mobile */
@media (max-width: 768px) {
  .certificates-container {
    min-height: auto;         /* avoid extra empty height */
    padding-bottom: 4rem;     /* reduce spacing */
  }

  .certificate-slide {
    flex-direction: column;   /* stack vertically */
    text-align: center;       /* center text for neat look */
    gap: 2rem;                /* smaller gap */
  }

  .certificate-image-container {
    flex: unset;
    width: 100%;
    max-width: 400px;         /* keep image from stretching too wide */
    margin: 0 auto;
  }

  .certificate-info {
    flex: unset;
    width: 100%;
  }

  .certificate-title {
    font-size: 2.4rem;
    margin-bottom: 2rem;
  }

  .certificate-description p {
    font-size: 1.4rem;
    line-height: 1.5;
  }

  .slider-nav {
    position: relative;       /* remove absolute positioning */
    bottom: unset;
    left: unset;
    transform: none;
    margin-top: 2rem;         /* space below content */
    justify-content: center;  /* center buttons + dots */
  }
}


/* Projects Section */
.projects {
  position: relative;
  overflow: hidden;
}

.projects-container {
  position: relative;
  width: 100%;
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding-bottom: 8rem;
}

.project-slide {
  display: none;
  width: 100%;
  flex-direction: row;
  align-items: center;
  gap: 5rem;
  padding: 2rem;
}

.project-slide.active {
  display: flex;
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.project-image-container {
  flex: 1.5;
  position: relative;
  perspective: 1000px;
}

.project-image-container img {
  width: 100%;
  border-radius: var(--border-radius);
  transform: rotateY(-20deg) rotateX(5deg);
  box-shadow: -10px 10px 30px rgba(0, 0, 0, 0.4);
  transition: var(--transition);
}

.project-image-container:hover img {
  transform: rotateY(0deg) rotateX(0deg) scale(1.05);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: var(--transition);
  border-radius: var(--border-radius);
}

.project-image-container:hover .project-overlay {
  opacity: 1;
}

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.tech-tag {
  background: var(--main-color);
  color: var(--bg-color);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 1.2rem;
  font-weight: 600;
}

.project-info {
  flex: 1;
}

.project-title {
  font-size: 3.2rem;
  border: 3px solid var(--main-color);
  display: inline-block;
  padding: 0.5rem 1.5rem;
  margin-bottom: 3rem;
  text-transform: uppercase;
  border-radius: var(--border-radius);
}

.project-description p {
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.project-description p strong {
  color: var(--main-color);
  font-weight: 600;
}

.project-links {
  display: flex;              /* make it a flex container */
  justify-content: center;    /* center the items horizontally */
  gap: 1rem;
  margin-top: 2rem;
  margin-bottom: 3.5rem;      /* extra bottom gap before the slider nav */
  flex-wrap: wrap;
}

.slider-nav {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 2rem;
}

.slider-btn {
  width: 5rem;
  height: 5rem;
  background: var(--second-bg-color);
  border: 2px solid var(--main-color);
  color: var(--main-color);
  border-radius: 50%;
  cursor: pointer;
  font-size: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition);
}

.slider-btn:hover {
  background: var(--main-color);
  color: var(--bg-color);
  transform: scale(1.1);
}

.slider-dots {
  display: flex;
  gap: 1rem;
}

.dot {
  width: 1.2rem;
  height: 1.2rem;
  background: var(--second-bg-color);
  border: 2px solid var(--main-color);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
}

.dot.active,
.dot:hover {
  background: var(--main-color);
}

/* Contact Section */
.contact h2 {
  margin-bottom: 3rem;
}

.contact-container {
  display: center;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  max-width: 80rem;
  margin: 0 auto;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 2rem;
  background: var(--second-bg-color);
  border-radius: var(--border-radius);
  border: 1px solid transparent;
  transition: var(--transition);
}

.contact-item:hover {
  border-color: var(--main-color);
  transform: translateX(10px);
}

.contact-item i {
  font-size: 2.4rem;
  color: var(--main-color);
  width: 5rem;
  height: 5rem;
  background: rgba(0, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.contact-item h3 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  color: var(--main-color);
}

.contact-item p {
  font-size: 1.4rem;
  color: var(--text-color);
}

.contact-form {
  background: var(--second-bg-color);
  padding: 3rem;
  border-radius: var(--border-radius);
  border: 1px solid transparent;
  transition: var(--transition);
}

.contact-form:hover {
  border-color: var(--main-color);
}

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

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

.input-group input,
.input-group textarea {
  width: 100%;
  padding: 1.5rem;
  font-size: 1.6rem;
  color: var(--text-color);
  background: var(--bg-color);
  border-radius: var(--border-radius);
  border: 1px solid transparent;
  transition: var(--transition);
}

.input-group input:focus,
.input-group textarea:focus {
  border-color: var(--main-color);
  box-shadow: 0 0 0 2px rgba(0, 255, 255, 0.2);
  transform: translateY(-2px);
}

.input-group label {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  font-size: 1.6rem;
  color: #888;
  transition: var(--transition);
  pointer-events: none;
  background: transparent;
}

.input-group input:focus + label,
.input-group input.has-value + label,
.input-group textarea:focus + label,
.input-group textarea.has-value + label {
  top: -0.8rem;
  left: 1rem;
  font-size: 1.2rem;
  color: var(--main-color);
  background: var(--second-bg-color);
  padding: 0 0.5rem;
  border-radius: 0.3rem;
  transition: all 0.3s ease;
}

/* Enhanced focus states */
.input-group input.focused,
.input-group textarea.focused {
  border-color: var(--main-color);
  box-shadow: 0 0 0 2px rgba(0, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Enhanced form styling */
.input-group input:focus,
.input-group textarea:focus {
  border-color: var(--main-color);
  box-shadow: 0 0 0 2px rgba(0, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Contact form success/error states */
.contact-form.success {
  border-color: #4caf50;
}

.contact-form.error {
  border-color: #f44336;
}

/* Improved input styling */
.input-group input,
.input-group textarea {
  background: var(--bg-color);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-color);
}

.input-group input:hover,
.input-group textarea:hover {
  border-color: rgba(0, 255, 255, 0.3);
}

/* Label improvements */
.input-group label {
  color: #aaa;
  font-weight: 500;
}

.input-group input:focus + label,
.input-group input.has-value + label,
.input-group textarea:focus + label,
.input-group textarea.has-value + label {
  color: var(--main-color);
  font-weight: 600;
}

.input-group textarea {
  resize: none;
  min-height: 15rem;
}

#submit-btn {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.btn-loading {
  display: none;
  align-items: center;
  gap: 1rem;
}

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

#submit-btn.loading .btn-loading {
  display: flex;
}

/* Footer */
.footer {
  background: var(--second-bg-color);
  padding: 3rem 9%;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-text p {
  font-size: 1.6rem;
}

.footer-social {
  display: flex;
  gap: 1.5rem;
}

.footer-social a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 4rem;
  height: 4rem;
  background: var(--main-color);
  border-radius: 50%;
  font-size: 2rem;
  color: var(--bg-color);
  transition: var(--transition);
}

.footer-social a:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-primary);
}

.footer-iconTop {
  text-align: center;
  margin-top: 2rem;
}

.footer-iconTop a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  background: var(--main-color);
  border-radius: 50%;
  transition: var(--transition);
  width: 5rem;
  height: 5rem;
}

.footer-iconTop a:hover {
  box-shadow: var(--shadow-primary);
  transform: translateY(-3px);
}

.footer-iconTop a i {
  font-size: 2.4rem;
  color: var(--bg-color);
}

/* AOS Animation Enhancements */
[data-aos] {
  pointer-events: none;
}

[data-aos].aos-animate {
  pointer-events: auto;
}

/* Custom animation delays for better flow */
.skills-box[data-aos-delay="100"] {
  transition-delay: 0.1s;
}

.skills-box[data-aos-delay="200"] {
  transition-delay: 0.2s;
}

.skills-box[data-aos-delay="300"] {
  transition-delay: 0.3s;
}

/* Enhanced hover effects for animated elements */
.skills-box:hover,
.achievements-box:hover,
.certifications-box:hover,
.experience-box:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-primary);
}

.skills-box:nth-child(2),
.project-box:nth-child(2) {
  transition-delay: 200ms;
}

.skills-box:nth-child(3),
.project-box:nth-child(3) {
  transition-delay: 400ms;
}

/* Experience Section */
.experience {
  background-color: transparent;
}

.experience-container {
  position: relative;
  max-width: 80rem;
  margin: 0 auto;
}

.experience-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: var(--main-color);
  transform: translateX(-50%);
}

.experience-box {
  position: relative;
  width: 50%;
  padding: 1rem 4rem;
  margin-bottom: 2rem;
}

.experience-box:nth-child(odd) {
  float: left;
  clear: right;
}

.experience-box:nth-child(even) {
  float: right;
  clear: left;
}

.experience-box::after {
  content: "";
  position: absolute;
  top: 25px;
  width: 25px;
  height: 25px;
  background: var(--main-color);
  border: 4px solid var(--bg-color);
  border-radius: 50%;
  z-index: 1;
}

.experience-box:nth-child(odd)::after {
  right: -12.5px;
}

.experience-box:nth-child(even)::after {
  left: -12.5px;
}

.experience-content {
  padding: 2rem 3rem;
  background: var(--second-bg-color);
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  transition: var(--transition);
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.2);
}

.experience-content:hover {
  border-color: var(--main-color);
  transform: translateY(-5px);
}

.experience-year {
  font-size: 1.5rem;
  color: var(--main-color);
  padding-bottom: 0.5rem;
  font-weight: 600;
}

.experience-year i {
  padding-right: 0.5rem;
}

.experience-content h3 {
  font-size: 2rem;
  padding: 0.5rem 0;
  color: var(--main-color);
}

.experience-content h4 {
  font-size: 1.6rem;
  font-weight: 600;
  color: #ccc;
  font-family: "Source Sans 3", sans-serif;
  margin-bottom: 1.5rem;
}

.experience-content ul {
  list-style-position: inside;
  padding-left: 0.5rem;
  margin-bottom: 2rem;
}

.experience-content ul li {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.experience-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.experience-tag {
  background: var(--main-color);
  color: var(--bg-color);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 1.2rem;
  font-weight: 600;
}

.experience-container::after {
  content: "";
  display: table;
  clear: both;
}

/* Floating label base */
.input-group {
  position: relative;
  margin-bottom: 20px;
}

.input-group input,
.input-group textarea {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  border: 1px solid #ccc;
  outline: none;
  border-radius: 6px;
  background: none;
}

.input-group label {
  position: absolute;
  top: 50%;
  left: 12px;
  transform: translateY(-50%);
  font-size: 16px;
  color: #888;
  pointer-events: none;
  transition: 0.3s ease all;
}

/* When input is focused or has content */
.input-group input:focus ~ label,
.input-group input:valid ~ label,
.input-group textarea:focus ~ label,
.input-group textarea:valid ~ label {
  top: -6px;
  left: 10px;
  font-size: 12px;
  color: #007bff;
  background: #fff;
  padding: 0 5px;
}


/* Media Queries for Responsiveness */
@media (max-width: 1200px) {
  html {
    font-size: 55%;
  }
}

@media (max-width: 991px) {
  .header {
    padding: 2rem 3%;
  }
  section {
    padding: 10rem 3% 2rem;
  }
  .footer {
    padding: 2rem 3%;
  }
  .contact-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  #menu-icon {
    display: block;
  }

  .navbar {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    padding: 1rem 3%;
    background: var(--bg-color);
    border-top: 0.1rem solid rgba(0, 0, 0, 0.2);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.2);
    display: none;
    flex-direction: column;
    gap: 1rem;
  }

  .navbar.active {
    display: flex;
  }

  .navbar a {
    display: block;
    font-size: 2rem;
    margin: 1rem 0;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    box-shadow: none;
    border: none;
    padding: 0;
    margin-left: 2rem;
  }

  .home {
    flex-direction: column;
    text-align: center;
  }
  .home-content h1 {
    font-size: 5rem;
  }
  .home-img img {
    width: 70vw;
    margin-top: 4rem;
  }
  .home-content p {
    max-width: 100%;
  }
  .home-buttons {
    justify-content: center;
  }

  .about {
    flex-direction: column-reverse;
    text-align: center;
  }
  .about-img img {
    width: 70vw;
    margin-top: 4rem;
  }
  .about-content h2 {
    text-align: center;
  }

  .project-slide {
    flex-direction: column;
    text-align: center;
  }
  .project-image-container img {
    transform: rotateY(0);
  }
  .slider-nav {
    width: 100%;
    justify-content: center;
    right: 0;
    bottom: 0;
  }

  .input-box {
    grid-template-columns: 1fr;
  }

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

  .achievements-container {
    grid-template-columns: 1fr;
  }

  .experience-container::before {
    left: 10px;
  }
  .experience-box {
    width: 100%;
    padding-left: 35px;
    padding-right: 15px;
  }
  .experience-box:nth-child(odd),
  .experience-box:nth-child(even) {
    float: none;
    clear: both;
  }
  .experience-box::after,
  .experience-box:nth-child(odd)::after,
  .experience-box:nth-child(even)::after {
    left: -2.5px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 450px) {
  html {
    font-size: 50%;
  }
  .contact form .input-box input {
    width: 100%;
  }
  .home-content h1 {
    font-size: 4rem;
  }
  .heading {
    font-size: 3.5rem;
  }
  .project-title {
    font-size: 2.5rem;
  }
  .quote-box {
    padding: 3rem 2rem;
  }
  .quote-box p {
    font-size: 1.8rem;
  }
}