*{margin:0;padding:0;box-sizing:border-box;font-family:sans-serif}

body{
  background:#0a0f2c;
  color:#fff;
}

/* BACKGROUND GLOW */
body::before{
  content:"";
  position:fixed;
  width:100%;
  height:100%;
  background:radial-gradient(circle at 20% 20%, rgba(0,255,255,0.1), transparent),
             radial-gradient(circle at 80% 80%, rgba(255,0,255,0.1), transparent);
  z-index:-1;
}

/* HEADER */
header{
  position:fixed;
  width:100%;
  padding:20px 10%;
  display:flex;
  justify-content:space-between;
  background:#051129;
  z-index:100;
}

nav a{
  color:#fff;
  margin-left:20px;
  text-decoration:none;
}

nav a:hover, nav a.active{
  color:cyan;
}

/* HERO */
.hero{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:120px 10% 50px;
  gap:40px;
  min-height: 100vh;
}

.hero-text h2{color:cyan;font-size:45px}
.buttons{margin-top:20px}

/* BUTTON */
.btn{
  padding:10px 25px;
  background:cyan;
  border-radius:30px;
  margin-right:10px;
  color:#000;
  display:inline-block;
  transition:.3s;
}
.btn:hover{box-shadow:0 0 15px cyan}

/* IMAGE */
.hero-img{
  width:350px;
  height:350px;
  border-radius:50%;
  position:relative;
  display:flex;
  justify-content:center;
  align-items:center;
  flex-shrink: 0;
}

.hero-img::before{
  content:"";
  position:absolute;
  width: 120%;
  height: 120%;
  border-radius:50%;
  background:linear-gradient(45deg,cyan,purple);
  filter:blur(35px);
  z-index: 1;
  animation:rotate 6s linear infinite;
}

.hero-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center top;
  border-radius:50%;
  z-index:2;
}

@keyframes rotate{
  0%{transform:rotate(0)}
  100%{transform:rotate(360deg)}
}

/* ABOUT */
.about{
  display:flex;
  align-items:center;
  gap:40px;
}
.about img{
  width:250px;
  border-radius:50%;
}

/* SKILLS */
.bar{margin:15px 0}
.line{
  height:8px;
  background:#333;
  border-radius:10px;
}
.line div{
  height:8px;
  background:cyan;
  border-radius:10px;
  width:0;
  animation:fill 2s forwards;
}
.line div{width:var(--w)}

@keyframes fill{
  from{width:0}
}

/* PROJECTS */
.projects{
  display:flex;
  gap:20px;
  flex-wrap:wrap;
}
.project-card{
  flex:1;
  padding:20px;
  background:#051129;
  border-radius:15px;
  transition:.4s;
}
.project-card:hover{
  transform:translateY(-10px);
  box-shadow:0 0 20px cyan;
}

/* GALLERY */
.gallery img, .gallery video{
  width:250px;
  margin:10px;
  border-radius:10px;
}

/* CONTACT */
.contact input, .contact textarea{
  width:100%;
  margin:10px 0;
  padding:10px;
}

button{
  padding:10px 20px;
  background:cyan;
  border:none;
}

/* MOBILE */
@media(max-width:900px){
  .hero, .about{
    flex-direction:column;
    text-align:center;
  }
}

.hero-text{
    max-width: 500px;
}
.about{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:50px;
  padding:100px 10%;
}

.about-img{
  width:350px;
  height:350px;
  border-radius:50%;
  position:relative;
  display:flex;
  justify-content:center;
  align-items:center;
}

.about-img::before{
  content:"";
  position:absolute;
  width:120%;
  height:120%;
  border-radius:50%;
  background:linear-gradient(45deg,cyan,#0ef,purple);
  filter:blur(30px);
  animation:rotate 6s linear infinite;
}

.about-img img{
  width:90%;
  height:90%;
  object-fit:cover;
  object-position:center;
  border-radius:50%;
  z-index:2;
}

/* TEXT PART */
.about-text{
  max-width:600px;
}

.about-text h2{
  font-size:32px;
  margin-bottom:15px;
  color:#fff;
}

.about-text p{
  margin-bottom:15px;
  line-height:1.6;
  color:#ccc;
}

#typing{
  background: linear-gradient(45deg, cyan, #0ef, purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: bold;
  letter-spacing: 1px;
}

#typing{
  text-shadow: 0 0 10px rgb(0, 255, 64),
               0 0 20px yellow,
               0 0 30px white;
}

#typing::after{
  content:"|";
  animation:blink 1s infinite;
}

@keyframes blink{
  0%,100%{opacity:1}
  50%{opacity:0}
}

#typing::after{
  content:"|";
  animation:blink 1s infinite;
}

@keyframes blink{
  0%,100%{opacity:1}
  50%{opacity:0}
}

.hero-text h1{ font-size:30px; }
.hero-text h2{ font-size:60px; }
.hero-text h3{ font-size:28px; }

.hero-text p{
  font-size:18px;
  color:#ccc;
  letter-spacing:1px;
  margin-top:10px;
}.college{
  color:cyan;
  font-weight:bold;
}
.certifications{
  padding:100px 10%;
}

.section-title{
  font-size:32px;
  text-align:center;
  margin-bottom:40px;
}

.cert-container{
  display:flex;
  gap:25px;
  flex-wrap:wrap;
  justify-content:center;
}

.cert-card{
  flex:1;
  min-width:250px;
  padding:25px;
  background:#051129;
  border-radius:15px;
  text-align:center;
  position:relative;
  transition:.4s;
  box-shadow:0 0 15px rgba(0,255,255,0.2);
}

.cert-card i{
  font-size:40px;
  color:cyan;
  margin-bottom:10px;
}

.cert-card h3{
  margin:10px 0;
}

.cert-card p{
  font-size:14px;
  color:#ccc;
}

/* Hover Glow Effect */
.cert-card:hover{
  transform:translateY(-10px);
  box-shadow:0 0 25px cyan;
}

.skill-heading{
  margin-top:25px;
  margin-bottom:10px;
  color:cyan;
  font-size:20px;
}

.skills{
  padding:100px 10%;
}

.heading{
  text-align:center;
  font-size:35px;
  margin-bottom:50px;
}
.heading span{color:cyan}

.skills-container{
  display:flex;
  justify-content:space-between;
  gap:50px;
}

/* LEFT SIDE */
.skills-left{
  flex:1;
}

.bar{
  margin:20px 0;
}

.bar span{
  display:block;
  margin-bottom:5px;
}

.line{
  height:8px;
  background:#333;
  border-radius:10px;
}

.line div{
  height:8px;
  background:cyan;
  border-radius:10px;
  width:0;
  animation:fill 2s forwards;
}

.line div{width:var(--w)}

@keyframes fill{
  from{width:0}
}

/* RIGHT SIDE */
.skills-right{
  flex:1;
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:40px;
  justify-items:center;
  align-items: center;
}

.circle-skill{
  text-align:center;
}
.circle{
  width:110px;
  height:110px;
  border-radius:50%;
  display:flex;
  justify-content:center;
  align-items:center;
  position:relative;

  background:conic-gradient(cyan 0deg, #333 0deg);
  transition:1.5s ease;
}

.circle span{
  position:absolute;
  font-weight:bold;
  z-index:2;
}

/* inner */
.circle::before{
  content:"";
  position:absolute;
  width:80px;
  height:80px;
  background:#0a0f2c;
  border-radius:50%;
}

/* Glow effect */
.circle{
  box-shadow:0 0 15px cyan, 0 0 25px cyan inset;
}
.circle:hover{
  box-shadow:0 0 20px cyan,
             0 0 40px cyan,
             0 0 60px #0ef;
  transform:scale(1.1);
  transition:0.4s;
}

/* bar hover */
.bar:hover .line div{
  box-shadow:0 0 10px cyan, 0 0 20px cyan;
}
/* container */
.projects{
  display:flex;
  gap:30px;
  flex-wrap:wrap;
  justify-content:center;
}

/* card */
.project-card{
  width:300px;
  padding:25px;
  background:#051129;
  border-radius:15px;
  position:relative;
  overflow:hidden;
  transition:0.4s;
  box-shadow:0 0 15px rgba(0,255,255,0.2);
}

/* glow border animation */
.project-card::before{
  content:"";
  position:absolute;
  width:150%;
  height:150%;
  background:linear-gradient(45deg, transparent, cyan, transparent);
  top:-100%;
  left:-100%;
  transform:rotate(25deg);
  transition:0.6s;
}

/* hover animation */
.project-card:hover::before{
  top:100%;
  left:100%;
}

/* lift effect */
.project-card:hover{
  transform:translateY(-12px) scale(1.03);
  box-shadow:0 0 25px cyan, 0 0 50px rgba(0,255,255,0.4);
}

/* text */
.project-card h3{
  margin-bottom:10px;
  color:cyan;
}

.project-card p{
  font-size:14px;
  color:#ccc;
  margin-bottom:15px;
}

/* button */
.proj-btn{
  display:inline-block;
  padding:8px 18px;
  background:cyan;
  color:#000;
  border-radius:20px;
  text-decoration:none;
  transition:0.3s;
}

/* button hover */
.proj-btn:hover{
  box-shadow:0 0 15px cyan;
  transform:scale(1.05);
}
.gallery .heading{
  margin-top: 60px;
}
.transform{
  padding:80px 10%;
  text-align:center;
}

/* Heading */
.transform .heading{
  font-size:32px;
  margin-bottom:30px;
  color:#fff;
}

.transform .heading span{
  color:cyan;
}

/*Container */
.transform-box{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:50px;
  flex-wrap:wrap;
}

/*Card */
.transform-box div{
  width:260px;
  position:relative;
  border-radius:20px;
  overflow:hidden;
  transition:0.4s;
}

/* Image */
.transform-box img{
  width:100%;
  height:320px;
  object-fit:cover;
  border-radius:20px;
  transition:0.4s;
}

/* Hover Effect */
.transform-box div:hover img{
  transform:scale(1.05);
  box-shadow:0 0 25px cyan;
}

/*Before / Now Text */
.transform-box h3{
  margin-top:10px;
  font-size:20px;
  color:cyan;
}

/*Caption */
.transform-text{
  text-align: justify;
  margin-top:25px;
  font-size:18px;
  opacity:0.85;
  line-height: 1.4;
}
.transform .heading{
  font-size:24px;        
  text-align:left;       
  margin-left: 0px;      
}
.transform{
  padding-top: 0px;
}
.Lifestyle{
  padding: 0px 10%;
  max-width: 900px;
}
.Lifestyle .heading{
  font-size: 24px;
  text-align: left;
  margin-bottom: 20px;
}
/* ===== LIFESTYLE / GALLERY FIX ===== */

.Lifestyle{
  width:100%;
  padding:60px 8%;
}

.Lifestyle .heading{
  text-align:left;
  font-size:24px;
  margin-bottom:20px;
}

/* GRID SYSTEM */
.insta-gallery{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); 
  gap:20px;
}

/* MOBILE RESPONSIVE */
@media(max-width:768px){
  .insta-gallery{
    grid-template-columns: repeat(2, 1fr);
  }
}

@media(max-width:480px){
  .insta-gallery{
    grid-template-columns: 1fr;
  }
}

/* IMAGE BOX */
.insta-item{
  width:100%;
  aspect-ratio:1/1;
  border-radius:15px;
  overflow:hidden;
  transition:0.3s;
}

/* IMAGE FIT */
.insta-item img,
.insta-item video{
  width:100%;
  height:100%;
  object-fit:cover;
}

/* HOVER EFFECT */
.insta-item:hover{
  transform:scale(1.05);
  box-shadow:0 0 20px cyan;
}

/* LIGHTBOX STYLE */
.lightbox{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:rgba(0,0,0,0.9);
  display:none;
  justify-content:center;
  align-items:center;
  z-index:9999;
}

.lightbox img,
.lightbox video{
  max-width:90%;
  max-height:90%;
  border-radius:10px;
}

.lightbox .close{
  position:absolute;
  top:20px;
  right:30px;
  font-size:40px;
  color:white;
  cursor:pointer;
}
.lightbox img{
  animation:zoom 0.3s ease;
}

@keyframes zoom{
  from{transform:scale(0.7);}
  to{transform:scale(1);}
}

/* arrows */
.prev, .next{
  position:absolute;
  top:50%;
  font-size:40px;
  color:white;
  cursor:pointer;
  padding:10px;
  transform:translateY(-50%);
}

.prev{ left:20px; }
.next{ right:20px; }

/* like button */
.like-btn{
  position:absolute;
  bottom:30px;
  color:white;
  font-size:22px;
  cursor:pointer;
  user-select:none;
}
/* ===== LIFESTYLE GRID ===== */

.insta-gallery{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap:20px;
}

/* normal box */
.insta-item{
  width:100%;
  aspect-ratio:1/1;
  border-radius:15px;
  overflow:hidden;
}

/* video ke boro dekhabe */
.insta-item.video{
  grid-column: span 2;
  aspect-ratio:16/9;
}

/* media fit */
.insta-item img,
.insta-item video{
  width:100%;
  height:100%;
  object-fit:cover;
}
/* section gap */
.sub-heading{
  color:white;
  margin:30px 0 15px;
  font-size:20px;
}

/* grid */
.insta-gallery{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap:20px;
  margin-bottom:30px;
}

/* box */
.insta-item{
  width:100%;
  aspect-ratio:1/1;
  border-radius:15px;
  overflow:hidden;
}

/* video highlight */
.insta-item.video{
  grid-column: span 1;
  aspect-ratio:1/1;
}

/* media fit */
.insta-item img,
.insta-item video{
  width:100%;
  height:100%;
  object-fit:cover;
}
/* ===== COMMON SECTION STYLE ===== */

.transform,
.Lifestyle{
  padding:60px 8%;
  margin:40px auto;
  border-radius:20px;
  background:rgba(255,255,255,0.02);
  backdrop-filter: blur(10px);
  position:relative;
  transition:0.4s;
}

/* glowing border */
.transform::before,
.Lifestyle::before{
  content:"";
  position:absolute;
  inset:-2px;
  border-radius:20px;
  background:linear-gradient(45deg, cyan, purple, blue);
  z-index:-1;
  filter:blur(20px);
  opacity:0.5;
}

/* hover effect */
.transform:hover,
.Lifestyle:hover{
  transform:translateY(-10px);
  box-shadow:0 0 30px cyan;
}
.transform .heading,
.Lifestyle .heading{
  text-align:left;
  font-size:28px;
  color:white;
  margin-bottom:20px;
}

.transform .heading span,
.Lifestyle .heading span{
  color:cyan;
  text-shadow:0 0 10px cyan, 0 0 20px cyan;
}
.transform,
.Lifestyle{
  opacity:0;
  transform:translateY(50px);
  transition:0.8s;
}
.contact{
  padding:60px 8%;
}

.contact .heading{
  text-align:center;
  margin-bottom:40px;
}

.contact-container {
  display: flex;              
  justify-content: space-between;
  align-items: flex-start;
  gap: 50px;
}

/* left */
.contact-info {
  width: 45%;
}

/* right */
.contact-container form {
  width: 55%;
}
/* input */
.contact-form input,
.contact-form textarea{
  padding:12px;
  border:none;
  border-radius:8px;
  background:white;
  color:black;
}

.contact-form textarea{
  height:120px;
}

form button {
  width: 490px;           
  margin-top: 10px;
  padding: 12px;
  border-radius: 25px;
  border: none;
  background: linear-gradient(45deg, cyan, yellow);
  color: black;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;  
}

/*HOVER */
form button:hover {
  transform: scale(1.1);
  box-shadow: 0 0 20px cyan, 0 0 40px cyan;
}.sub-title{
  font-size: 22px;
  color: white;
  margin-bottom: 20px;
}
.contact-info{
  width: 100%;
}
.contact form{
  width: 100%;
}
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

footer {
  margin-top: auto;
  text-align: center;
  padding: 10px 0;
  color: #aaa;
}
footer {
  margin-top: auto;
  text-align: center;
  padding: 15px 0;
  color: #ccc;
  font-size: 14px;
  background: transparent;
}
.social-icons {
  margin-top: 20px;
}

.social-icons a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 45px;
  height: 45px;
  border: 2px solid #00f7ff;
  border-radius: 50%;
  margin-right: 12px;
  color: #00f7ff;
  font-size: 22px;
  transition: 0.3s;
  text-decoration: none;
}

.social-icons a:hover {
  background: #00f7ff;
  color: #000;
  box-shadow: 0 0 20px #00f7ff;
  transform: scale(1.1);
}

.social-icons a:active {
  transform: scale(0.95);
}
@media (max-width: 768px) {

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

  .hero-img img {
    width: 200px;
    margin-top: 20px;
  }

  .social-icons {
    justify-content: center;
  }

  .buttons {
    flex-direction: column;
    gap: 10px;
  }

  .btn {
    width: 80%;
    margin: auto;
  }

}
.about-img img {
    width: 250px;
    height: 250px; 
    object-fit: cover;
    border-radius: 50%;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .about-img img {
        width: 200px;
        height: 200px; 
        margin: auto;
        display: block;
    }
}
html{
  scroll-behaviour: smooth;
}
section{
  scroll-margin-top: 100px;
}