/* Global Variables and Reset */
:root {
  --primary-color: #03C03C;
  --background-color: #080808;
  --text-color: #ffffff;
  --secondary-bg: #262626;
  --hover-bg: #3c3c3b;
  --transition-duration: 0.5s;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background: var(--background-color);
  color: var(--text-color);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background-color: rgb(219, 219, 219);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
}

/* Header Section */
#header {
  width: 100%;
  height: 90vh;
  background-color: transparent;
  background-size: cover;
  background-position: center;
  position: relative;
}

#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  filter: drop-shadow(0 0 8px var(--primary-color));
}

/* Container */
.container {
  padding: 7px 10%;
}

/* Navigation */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

nav ul {
  list-style: none;
  margin-left: auto;
}

nav ul li {
  display: inline-block;
  margin: 10px 20px;
}

nav ul li span {
  color: var(--primary-color);
}

nav ul li a {
  color: var(--text-color);
  text-decoration: none;
  font-size: 18px;
  position: relative;
  padding-bottom: 5px;
  transition: color 0.3s ease-in-out, text-shadow 0.3s ease-in-out;
}

nav ul li a::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 0;
  height: 4px;
  background: var(--primary-color);
  box-shadow: 0px 0px 10px var(--primary-color);
  border-radius: 50px; /* Rounded edges */
  transition: width 0.4s ease-in-out, left 0.4s ease-in-out;
}

nav ul li a:hover {
  color: var(--primary-color);
  text-shadow: 0px 0px 15px var(--primary-color);
}

nav ul li a:hover::before {
  width: 100%;
  left: 0;
}

/* Responsive Menu Buttons */
nav button {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 25px;
  cursor: pointer;
  display: none;
}

/* Header Text */
.header-text {
  margin-top: 20%;
  font-size: 30px;
  position: relative;
  z-index: 1;
}

.header-text h1 {
  font-size: 50px;
  margin: 20px 0 10px;
}

.header-text h1 span {
  color: var(--primary-color);
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  60% {
    opacity: 1;
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

.header-text h1 {
  animation: bounceIn 1.2s ease-in-out;
}

.text-animation {
  font-size: 30px;
  font-weight: 600;
  min-width: 280px;
}

.text-animation span {
  margin-left: 4px;
  color: var(--primary-color);  /* Text will be green (primary color) */
  border-right: 3px solid var(--text-color);
}

/* Download CV Button */
.download-cv-btn {
  display: inline-block;
  margin: 40px 5px;
  padding: 10px 35px;
  border: 2px solid var(--primary-color);
  border-radius: 40px;
  text-decoration: none;
  color: var(--text-color);
  font-weight: 800;
  font-size: 15px;
  transition: 0.3s ease-in-out;
  position: relative;
  overflow: hidden;
}

.download-cv-btn:hover {
  background: var(--primary-color);
  color: var(--background-color);
  box-shadow: 0px 0px 20px var(--primary-color);
  transform: scale(1.05);
}

/* About Section */
#about {
  padding: 80px 0;
  color: #ababaa;
}

.row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.about-col-1 {
  flex-basis: 35%;
}

.about-col-1 img {
  padding: 50px 10px 10px;
  width: 100%;
  border-radius: 20px;
  margin-top: 50px;
}

.about-col-2 {
  padding: 30px 0;
  flex-basis: 60%;
}

.sub-title {
  font-size: 60px;
  font-weight: 600;
  color: var(--text-color);
  text-align: center;
  margin-bottom: 10px;
}
/* Tabs in About Section */
.tab-titles {
  margin: 50px 0 40px;
  display: flex;
  gap: 50px;
  color: var(--text-color);
}

.tab-titles button {
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-color);
  position: relative;
}

.tab-titles button span {
  color: var(--primary-color);
}

.tab-titles button::after {
  content: '';
  width: 0;
  height: 3px;
  background-color: var(--primary-color);
  position: absolute;
  left: 0;
  bottom: -8px;
  transition: width var(--transition-duration);
}

.tab-titles button.active-link::after {
  width: 100%;
}

.tab-contents ul li {
  list-style: none;
  margin: 10px 0;
  font-size: 14px;
}

.tab-contents ul li span {
  color: var(--primary-color);
  font-size: 17px;
}

.tab-contents {
  opacity: 0;
  transition: opacity 0.3s ease-in;
  display: none;
}

.tab-contents.active-tab {
  display: block;
  opacity: 1;
}

/* Services Section */
#services {
  padding: 80px 0;
}

.services-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  padding: 0 10px;
  margin-top: 50px;
}

.services-list div {
  background: var(--secondary-bg);
  padding: 30px;
  font-size: 15px;
  font-weight: 300;
  border-radius: 30px;
  transition: background var(--transition-duration), transform 0.3s ease, box-shadow 0.3s ease;
}

.services-list div i {
  font-size: 50px;
  margin-bottom: 30px;
}

.services-list div h2 {
  font-size: 30px;
  font-weight: 500;
  margin-bottom: 15px;
}

.services-list div h2 span {
  color: var(--primary-color);
}

.services-list div a {
  text-decoration: none;
  color: var(--text-color);
  font-size: 15px;
  margin-top: 20px;
  display: inline-block;
}

.services-list div:hover {
  background: var(--hover-bg);
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 0 15px var(--primary-color);
}

/* Portfolio Section */
#portfolio {
  padding: 80px 0;
}

.work-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin-top: 50px;
}

.work {
  border: 1px solid var(--text-color);
  border-radius: 15px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.work img {
  width: 100%;
  height: auto;
  max-height: 300px;
  border-radius: 15px;
  display: block;
  transition: transform 0.3s ease;
}

.work:hover {
  transform: scale(1.03) rotate(0.5deg);
  box-shadow: 0 0 20px var(--primary-color);
}

.work:hover img {
  transform: scale(1.05);
}

.layer {
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.6), var(--hover-bg));
  border-radius: 15px;
  position: absolute;
  left: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0 10px;
  text-align: center;
  font-size: 15px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.layer h3 {
  font-size: 25px;
  font-weight: 800;
  margin-bottom: 20px;
}

.layer a {
  display: inline-block;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  font-size: 20px;
  line-height: 35px;
  text-align: center;
  text-decoration: none;
  color: var(--hover-bg);
  background-color: var(--text-color);
  margin-top: 30px;
}

.work:hover .layer {
  opacity: 1;
  transform: translateY(0);
}

/* Contact Section */
.contact-container {
  padding: 100px 10%;
}

/* 
   Desktop/Large Screen:  
   Place contact-info & contact-form side by side (space-between).
*/
.contact-content {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-top: 50px;
  flex-wrap: wrap; /* Allows wrapping if screen gets smaller */
}

/* Center text/icons within contact-info */
.contact-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.contact-info p {
  margin: 15px 0 10px;
  font-size: 20px;
}

.social-icons {
  display: flex;
  justify-content: center;  /* Center icons horizontally */
  align-items: center;      /* Align icons vertically if container has height */
  gap: 15px;
  margin-top: 20px;
}

.social-icons a {
  text-decoration: none;
  font-size: 30px;
  color: var(--text-color);
  transition: transform 0.3s ease;
}

.social-icons a:hover {
  color: var(--primary-color);
  transform: translateY(-5px);
}

.contact-form {
  flex: 1; /* Let the form grow if needed */
  min-width: 350px;
  background: var(--secondary-bg);
  padding: 30px;
  border-radius: 20px;
}

.contact-form form {
  display: flex;
  flex-direction: column;
}

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

.form-group label {
  margin-bottom: 8px;
  font-size: 16px;
  color: var(--text-color);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 5px;
  font-size: 15px;
  color: #000;
}

.submit-btn {
  display: inline-block !important;
  width: fit-content !important;
  min-width: 180px !important;
  max-width: 120px !important;
  padding: 10px 50px !important;
  font-size: 18px !important;
  border-radius: 10px !important;
  transform: none !important;
  text-align: center !important;
  font-weight: 600;
}

.submit-btn:hover,
.submit-btn:active {
  transform: none !important;
  background: var(--primary-color) !important;
  color: var(--text-color) !important;
  padding: 10px 50px !important;
  font-size: 18px !important;
}

.input-error {
  border: 2px solid red !important;
}

.input-success {
  border: 2px solid green !important;
}

#msg {
  margin-top: 10px;
  color: var(--primary-color);
  font-size: 14px;
}

/* Footer */
footer.copyright {
  width: 100%;
  font-size: 12px;
  margin-top: 20px;
  padding: 15px 0;
  text-align: center !important;
}

footer.copyright p {
  text-align: center !important;
}


/* Responsive Styles */
@media only screen and (max-width: 480px) {

  /* Adjust container padding */
  .container {
    padding: 10px 5%;
  }

  /* Header adjustments */
  .header-text {
    margin-top: 50%;
    font-size: 15px;
  }
  .header-text h1 {
    font-size: 20px;
  }
  .text-animation {
    font-size: 18px;
  }

  /* Mobile Navigation (Off-canvas Menu) */
  nav ul {
    display: none;
    background: var(--background-color);
    position: fixed;
    top: 0;
    right: -180px;  /* Off-screen by default */
    width: 180px;   /* Reduced width */
    height: 100vh;
    padding-top: 50px;
    z-index: 2;
    transition: right 0.5s ease-in-out;
  }
  nav ul.open {
    display: block;
    right: 0;
  }
  nav ul li {
    display: block;
    margin: 15px 0;
  }
  nav ul li a {
    font-size: 16px;
  }
  nav button {
    display: block;
  }

  /* About Section */
  .about-col-1,
  .about-col-2 {
    flex-basis: 100%;
  }
  .about-col-1 {
    margin-bottom: 20px;
  }
  .about-col-2 {
    font-size: 14px;
  }
  .tab-titles button {
    font-size: 16px;
    margin-right: 14.5px;
  }

  /* Services Section */
  .services-list {
    grid-template-columns: 1fr;
    gap: 15px; /* Reduced grid gap */
  }
  .services-list div {
    height: auto;
    padding: 15px;
    margin-bottom: 20px;
  }
  .services-list div i {
    font-size: 35px;
    margin-bottom: 15px;
  }
  .services-list div h2 {
    font-size: 22px;
    margin-bottom: 10px;
  }
  .services-list div p {
    font-size: 12px;
    line-height: 1.4;
  }
  .services-list div a {
    font-size: 12px;
    margin-top: 10px;
  }

  /* Portfolio Section */
  .work-list {
    grid-template-columns: 1fr;
    gap: 30px; /* Adjusted gap */
  }
  .work {
    padding-bottom: 60%;
  }
  .work img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .layer {
    padding: 0;
  }
  .layer h3 {
    font-size: 20px;
  }
  .layer p {
    font-size: 12px;
  }
  .layer a {
    margin-top: 10px;
  }

  /* 
     Contact Section on Mobile:
     Stack contact-info and contact-form vertically and center them 
  */
  .contact-content {
    flex-direction: column;
    align-items: center;
  }

  /* Remove unwanted left padding if any */
  .contact-info p {
    font-size: 16px;
    padding-left: 0 !important;
  }
  
  .contact-container {
    padding: 50px 5%;
  }

  footer.copyright {
    font-size: 14px;
  }
}