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

body {
  font-family: Inter, sans-serif;
  background-color: #000;
  color: #F0F0F0;
  line-height: 1.6;  
}

section {
  padding: 50px 0; /* reduced from 100px */
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
  padding: 0; /* remove vertical padding here */
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 25px 8%;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 4px 20px rgba(0, 255, 130, 0.05);
}

nav .logo {
  font-size: 1.5em;
  font-weight: bold;
  color: #00ff99;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 0 0 10px rgba(0, 255, 130, 0.3);
}

nav ul {
  display: flex;
  gap: 40px;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav ul li a {
  position: relative;
  color: #ccc;
  font-size: 0.9em;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  transition: color 0.3s ease;
}

nav ul li a::before,
nav ul li a::after {
  content: '';
  position: absolute;
  height: 2px;
  background: #00ff99;
  left: 0;
  right: 0;
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

nav ul li a::before {
  bottom: -6px;
  transform-origin: left;
}
nav ul li a::after {
  bottom: -12px;
  transform-origin: right;
}

nav ul li a:hover {
  color: #fff;
}
nav ul li a:hover::before,
nav ul li a:hover::after {
  transform: scaleX(1);
}

/* Homepage */
#header {
  background-color: #000; 
  color: #f2f2f2;
  padding: 160px 10% 100px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  align-items: start;
  min-height: 100vh;
  box-sizing: border-box;
  position: relative;
}

.header-text {
  grid-column: 2 / 3;
  padding-left: 40px;
  border-left: 4px solid #00ff99;
  margin-left: 40px;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

.header-text p {
  font-size: 14px;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 20px;
}

.header-text h1 {
  font-size: 3.5em;
  line-height: 1.3;
  font-weight: 700;
  text-transform: none;
  color: #fff;
  letter-spacing: 1px;
  border-top: 1px solid #222;
  border-bottom: 1px solid #222;
  padding: 20px 0;
}

.header-text h1 span {
  color: #00ff99;
}

section {
  padding: 100px 0;
  background-color: #000;
}

/* About */
.subtitle {
  font-size: 2.6em;
  font-weight: bold;
  color: #FFF;
  margin-bottom: 40px;
  border-bottom: 2px solid #00C853;
  display: inline-block;
  padding-bottom: 8px;
  text-transform: uppercase;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

.col-1,
.col-2 {
  flex: 1;
}

.col-1 img {
  width: 100%;
  max-width: 350px;
  filter: grayscale(90%);
  border: 2px solid transparent;
  transition: all 0.3s;
}

.col-1 img:hover {
  filter: grayscale(0%);
  border-color: #00C853;
}

.Titles {
  display: flex;
  gap: 40px;
  margin-top: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.Links {
  font-size: 1.1em;
  color: #A0A0A0;
  cursor: pointer;
  padding-bottom: 12px;
  position: relative;
}

.Links.active-link {
  color: #FFF;
  font-weight: bold;
}

.Links.active-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: 100%;
  background-color: #00C853;
}

.contents {
  display: none;
  margin-top: 30px;
  animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.contents ul li {
  list-style: none;
  margin: 20px 0;
  font-size: 1em;
}

.contents ul li span {
  color: #00C853;
  font-weight: 600;
  display: block;
  margin-bottom: 5px;
  text-transform: uppercase;
}

/* Projects */
.project-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.project-list div {
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background-color: rgba(255, 255, 255, 0.03);
  transition: 0.4s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.project-list div:hover {
  transform: translateY(-8px);
  border-color: #00C853;
  box-shadow: 0 0 20px rgba(0, 200, 83, 0.2);
}

.project-list h2 {
  color: #FFF;
  margin-bottom: 15px;
  font-size: 1.5em;
}

.project-list p {
  color: #C0C0C0;
  font-size: 0.95em;
  margin-bottom: 20px;
}

.project-list a {
  color: #00C853;
  text-transform: uppercase;
  font-weight: 500;
  font-size: 0.95em;
  text-decoration: none;
}

.project-list a:hover {
  color: #FFF;
  text-decoration: underline;
}

/* Contact */
.contact-left, .contact-right {
  flex: 1;
}

.contact-left p {
  margin: 15px 0;
  font-size: 1.1em;
}

.contact-left i {
  color: #00C853;
  margin-right: 15px;
}

.social-icons a {
  color: #B0B0B0;
  font-size: 2em;
  margin-right: 20px;
  transition: transform 0.3s;
}

.social-icons a:hover {
  color: #00C853;
  transform: translateY(-5px);
}

.btn {
  display: inline-block;
  background-color: #00C853;
  color: #000;
  padding: 14px 28px;
  font-weight: 600;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background 0.3s;
  margin-top: 30px;
}

.btn:hover {
  background: transparent;
  color: #00C853;
  border: 1px solid #00C853;
}

/* Form */
form input,
form textarea {
  width: 100%;
  padding: 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: #F0F0F0;
  font-size: 1em;
  margin-bottom: 20px;
  transition: 0.3s;
}

.btn2 {
  padding: 16px 32px;
  background-color: #00C853;
  color: #000;
  border: none;
  font-size: 1em;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

.btn2:hover {
  background: transparent;
  border: 1px solid #00C853;
  color: #00C853;
}

.copyright{
	width:100%;
	text-align: center;
	padding:10px;
	font-weight:300;
}

/* ========================= */
/* RESPONSIVE DESIGN FIXES   */
/* ========================= */

/* Tablets */
@media only screen and (max-width: 1024px) {
  nav {
    padding: 20px 5%;
  }

  nav ul {
    gap: 25px;
  }

  .header-text h1 {
    font-size: 3em;
  }

  .row {
    flex-direction: column;
    align-items: center;
  }

  .col-1, .col-2 {
    flex: 100%;
    text-align: center;
  }

  .col-1 img {
    max-width: 280px;
  }
}

/* Mobile */
@media only screen and (max-width: 768px) {
  nav ul {
    display: none; /* hidden by default for mobile */
    flex-direction: column;
    gap: 20px;
    background: rgba(0, 0, 0, 0.95);
    position: absolute;
    top: 70px;
    right: 0;
    width: 200px;
    padding: 20px;
    border-left: 1px solid rgba(255,255,255,0.1);
  }

  nav ul.active {
    display: flex;
  }

  nav .menu-toggle {
    display: block;
    font-size: 1.8em;
    color: #00ff99;
    cursor: pointer;
  }

  #header {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 120px 5% 60px;
  }

  .header-text {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
  }

  .header-text h1 {
    font-size: 2.2em;
    padding: 15px 0;
  }

  .subtitle {
    font-size: 2em;
    text-align: center;
  }

  .Titles {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }

  .project-list {
    grid-template-columns: 1fr;
  }

  .contact-left, .contact-right {
    flex: 100%;
    margin-bottom: 30px;
  }

  .social-icons {
    text-align: center;
  }
}

/* Small phones */
@media only screen and (max-width: 480px) {
  nav {
    padding: 15px 5%;
  }

  .logo {
    font-size: 1.2em;
  }

  .header-text h1 {
    font-size: 1.8em;
  }

  .btn, .btn2 {
    width: 100%;
    text-align: center;
  }

  form input, form textarea {
    font-size: 0.9em;
  }
}