@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700;800&display=swap');

:root{
  --bg:#000;
  --panel:rgba(255,255,255,.06);
  --panel2:rgba(255,255,255,.04);
  --text:#fff;
  --muted:rgba(255,255,255,.75);
  --accent:#b74b4b;
  --accent2:#ff6b6b;
  --line:rgba(255,255,255,.12);
  --shadow:0 18px 50px rgba(0,0,0,.55);
  --radius:22px;
}

*{margin:0;padding:0;box-sizing:border-box;text-decoration:none;border:none;outline:none;font-family:'Poppins',sans-serif}
html{font-size:62.5%;scroll-behavior:smooth}
body{
  min-height:100vh;
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
}

.bg-anim{
  position:fixed; inset:0; z-index:-2; pointer-events:none;
  overflow:hidden;
}
.bg-anim::before,
.bg-anim::after{
  content:"";
  position:absolute;
  width:520px; height:520px;
  border-radius:50%;
  filter: blur(38px);
  opacity:.20;
  background: radial-gradient(circle at 30% 30%, var(--accent2), transparent 60%);
  animation: float1 14s ease-in-out infinite;
}
.bg-anim::before{ left:-140px; top:-120px; }
.bg-anim::after{
  right:-180px; bottom:-160px;
  background: radial-gradient(circle at 30% 30%, var(--accent), transparent 60%);
  animation: float2 18s ease-in-out infinite;
  opacity:.18;
}

.bg-grid{
  position:fixed; inset:0; z-index:-3; pointer-events:none;
  background:
    radial-gradient(circle at 20% 10%, rgba(183,75,75,.10), transparent 55%),
    radial-gradient(circle at 80% 25%, rgba(255,107,107,.08), transparent 60%),
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: auto, auto, 70px 70px, 70px 70px;
  opacity:.25;
}

@keyframes float1{
  0%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(120px,70px) scale(1.05); }
  100%{ transform:translate(0,0) scale(1); }
}
@keyframes float2{
  0%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(-130px,-80px) scale(1.06); }
  100%{ transform:translate(0,0) scale(1); }
}

header{
  position:fixed; top:0; left:0; width:100%;
  padding:1.2rem 9%;
  display:flex; align-items:center; justify-content:space-between;
  background: rgba(0,0,0,.38);
  border-bottom:1px solid var(--line);
  backdrop-filter: blur(12px);
  z-index:100;
}

.logo{
  font-size:2.9rem;
  color:var(--accent);
  font-weight:800;
  letter-spacing:.3px;
  transition:.2s ease;
}
.logo:hover{ transform:scale(1.05); filter:drop-shadow(0 0 12px rgba(183,75,75,.45)); }

.menu-btn{
  display:none;
  background:transparent;
  color:#fff;
  font-size:2.7rem;
  cursor:pointer;
}

nav{
  display:flex; align-items:center; gap:.7rem;
}
nav a{
  position:relative;
  font-size:1.65rem;
  color:#fff;
  font-weight:500;
  padding:1rem 1.25rem;
  border-radius:1.25rem;
  transition:.25s ease;
  opacity:.92;
  border:1px solid transparent;
}

nav a::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:1.25rem;
  background: linear-gradient(90deg, rgba(183,75,75,.22), rgba(255,107,107,.10));
  opacity:0;
  transform: translateY(7px);
  transition:.25s ease;
  z-index:-1;
}
nav a:hover{
  color:var(--accent2);
  opacity:1;
  border-color: rgba(183,75,75,.35);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(0,0,0,.35);
}
nav a:hover::before{ opacity:1; transform:translateY(0); }
nav a.active{
  color:var(--accent2);
  border-color: rgba(183,75,75,.45);
  box-shadow: 0 0 0 4px rgba(183,75,75,.12);
}

main{
  padding:10rem 9% 5rem;
}

.hero{
  display:grid;
  grid-template-columns: 1fr 1.1fr;
  gap:5rem;
  align-items:center;
  min-height: calc(100vh - 10rem);
}

.hero-img{
  display:flex;
  justify-content:center;
}
.hero-img .ring{
  border-radius:50%;
  padding:10px;
  position: relative;
  background: conic-gradient(
    from 0deg,
    rgba(255,107,107,.8) 0deg,
    rgba(183,75,75,.6) 60deg,
    rgba(255,107,107,.4) 120deg,
    rgba(183,75,75,.8) 180deg,
    rgba(255,107,107,.6) 240deg,
    rgba(183,75,75,.4) 300deg,
    rgba(255,107,107,.8) 360deg
  );
  box-shadow: 
    0 0 60px rgba(255,107,107,.5), 
    0 0 100px rgba(183,75,75,.3), 
    inset 0 0 60px rgba(255,107,107,.2),
    0 0 120px rgba(255,107,107,.4);
  animation: rotateNeonBorder 4s linear infinite;
}

@keyframes rotateNeonBorder{
  0%{ 
    transform: rotate(0deg);
    filter: hue-rotate(0deg) brightness(1);
  }
  50%{
    filter: hue-rotate(10deg) brightness(1.2);
  }
  100%{ 
    transform: rotate(360deg);
    filter: hue-rotate(0deg) brightness(1);
  }
}
.hero-img img{
  width:min(360px, 74vw);
  border-radius:50%;
  display:block;
  border:1px solid rgba(255,255,255,.10);
  box-shadow: var(--shadow);
  transition:.22s ease;
  animation: counterRotate 4s linear infinite;
}
@keyframes counterRotate{
  0%{ transform: rotate(0deg); }
  100%{ transform: rotate(-360deg); }
}
}
.hero-img img:hover{ transform:scale(1.02); filter:saturate(1.1); }

.kicker{
  display:inline-flex;
  gap:.8rem;
  align-items:center;
  padding:.75rem 1.2rem;
  border:1px solid rgba(183,75,75,.35);
  border-radius:999px;
  background:rgba(255,255,255,.03);
  font-size:1.35rem;
  color:rgba(255,255,255,.85);
  width:fit-content;
}
.dot{
  width:10px; height:10px; border-radius:50%;
  background:var(--accent2);
  box-shadow: 0 0 0 5px rgba(255,107,107,.14);
}

h1{
  font-size:5.0rem;
  line-height:1.15;
  margin-top:1.6rem;
  font-weight:800;
}
h1 span{ color:var(--accent); }

.typing-text{
  margin-top:1.2rem;
  font-size:3.0rem;
  font-weight:700;
}
.typing-text span{ position:relative; }
.typing-text span::before{
  content:"Software Developer";
  color:var(--accent2);
  animation: words 14s infinite;
}
.typing-text span::after{
  content:"";
  position:absolute;
  width: calc(100% + 8px);
  height:100%;
  right:-8px;
  border-left:3px solid var(--bg);
  animation: cursor .65s infinite;
}

@keyframes cursor{ to{ border-left:3px solid var(--accent); } }
@keyframes words{
  0%,20%{ content:"Software & Web Developer"; }
  21%,40%{ content:"ISP Entrepreneur"; }
  41%,60%{ content:"Network Developer"; }
  61%,80%{ content:"Database & Backend Builder"; }
  81%,100%{ content:"CSE Student (AIUB)"; }
}

.lead{
  margin-top:1.8rem;
  font-size:1.6rem;
  color:var(--muted);
  line-height:1.9;
  max-width:70ch;
}

.meta{
  margin-top:2.0rem;
  display:flex;
  flex-wrap:wrap;
  gap:1rem;
}
.pill{
  display:inline-flex;
  gap:.8rem;
  align-items:center;
  padding:.9rem 1.2rem;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);
  font-size:1.35rem;
  color:rgba(255,255,255,.86);
}
.pill a{
  color:rgba(255,255,255,.86);
}

.social-icons{
  display:flex; gap:1.2rem;
  margin-top:2.4rem;
  flex-wrap:wrap;
}
.social-icons a{
  width:4.3rem; height:4.3rem;
  border-radius:50%;
  display:inline-flex;
  align-items:center; justify-content:center;
  border:.2rem solid var(--accent);
  color:var(--accent);
  font-size:2rem;
  background:transparent;
  transition:.25s ease;
}
.social-icons a:hover{
  color:#000;
  transform:scale(1.15) translateY(-5px);
  background:var(--accent);
  box-shadow:0 0 25px rgba(183,75,75,.7);
}

.actions{
  margin-top:2.6rem;
  display:flex;
  gap:1.2rem;
  flex-wrap:wrap;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:1.15rem 2.8rem;
  border-radius:4rem;
  font-size:1.5rem;
  font-weight:700;
  letter-spacing:.18rem;
  cursor:pointer;
  transition:.25s ease;
  border:2px solid var(--accent);
  color:var(--accent2);
  background:transparent;
}
.btn:hover{
  transform: translateY(-2px);
  background:var(--accent);
  color:#000;
  box-shadow:0 0 25px rgba(183,75,75,.7);
}
.btn.secondary{
  border-color: rgba(255,255,255,.18);
  color: rgba(255,255,255,.88);
}
.btn.secondary:hover{
  background: rgba(255,255,255,.10);
  color:#fff;
  box-shadow:none;
}

.section{
  margin-top:6.5rem;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:2rem;
  flex-wrap:wrap;
}
.section-title{
  font-size:3.2rem;
  font-weight:800;
}
.section-sub{
  font-size:1.5rem;
  color:var(--muted);
  max-width:75ch;
  line-height:1.85;
}

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:1.6rem;
  margin-top:2.2rem;
}
.card{
  background: var(--panel);
  border:1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  padding:2.0rem;
  transition:.25s ease;
  box-shadow: 0 0 0 rgba(0,0,0,0);
}
.card:hover{
  transform: translateY(-6px);
  border-color: rgba(183,75,75,.35);
  box-shadow: var(--shadow);
}
.card h3{
  font-size:1.9rem;
  margin-bottom:.8rem;
}
.card p{
  font-size:1.5rem;
  color:var(--muted);
  line-height:1.85;
}
.tags{
  margin-top:1.3rem;
  display:flex;
  flex-wrap:wrap;
  gap:.8rem;
}
.tag{
  font-size:1.2rem;
  padding:.6rem .95rem;
  border-radius:999px;
  background: rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);
  color: rgba(255,255,255,.86);
}

.list{
  margin-top:1.2rem;
  display:grid;
  gap:.9rem;
}
.li{
  display:flex;
  gap:.9rem;
  align-items:flex-start;
  font-size:1.5rem;
  color:rgba(255,255,255,.85);
  line-height:1.8;
}
.li a{
  color:var(--accent2);
}
.check{
  color: var(--accent2);
  margin-top:.25rem;
}

.edu-head{
  display:flex;
  align-items:center;
  gap:1.2rem;
  margin-bottom:1rem;
}
.edu-logo{
  width:54px;
  height:54px;
  border-radius:14px;
  object-fit:cover;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  padding:.7rem;
}
.edu-inst{
  font-size:1.45rem;
  color:rgba(255,255,255,.78);
}

.split{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:1.6rem;
  margin-top:2.2rem;
}
.panel{
  background: var(--panel2);
  border:1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  padding:2rem;
}
.panel h3{ font-size:1.9rem; margin-bottom:1rem; }
.panel p{ font-size:1.5rem; color:var(--muted); line-height:1.85; }

.form{
  display:grid;
  gap:1.2rem;
  margin-top:1.3rem;
}
.input, .textarea{
  width:100%;
  padding:1.3rem 1.4rem;
  border-radius:1.6rem;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color:#fff;
  font-size:1.5rem;
}
.textarea{ min-height:140px; resize:vertical; }

footer{
  padding:2.2rem 9%;
  border-top:1px solid rgba(255,255,255,.10);
  color:rgba(255,255,255,.70);
  text-align:center;
  font-size:1.4rem;
  margin-top:5rem;
}

@media(max-width:995px){
  .menu-btn{ display:block; }
  nav{
    position:absolute;
    top:70px;
    right:18px;
    width:min(340px, 88vw);
    display:none;
    flex-direction:column;
    gap:.6rem;
    border:1px solid rgba(183,75,75,.40);
    background: rgba(10,10,10,.95);
    border-radius:2rem;
    padding:1.2rem;
  }
  nav.active{ display:flex; }
  nav a{ width:100%; font-size:1.9rem; }

  main{ padding:9.2rem 6% 4.5rem; }
  .hero{ grid-template-columns:1fr; min-height:auto; gap:3.5rem; padding-top:1.5rem; }
  h1{ font-size:4.0rem; }
  .typing-text{ font-size:2.5rem; }
  .grid{ grid-template-columns:1fr; }
  .split{ grid-template-columns:1fr; }
}
/* ===== animated lighting ring around circular image ===== */
.glow-ring{
  position:relative;
  isolation:isolate;
}
.glow-ring::before{
  content:"";
  position:absolute;
  inset:-14px;
  border-radius:50%;
  background: conic-gradient(
    from 0deg,
    rgba(183,75,75,.00),
    rgba(183,75,75,.85),
    rgba(255,107,107,.65),
    rgba(183,75,75,.00)
  );
  filter: blur(8px);
  opacity:.65;
  z-index:-1;
  animation: spinRing 3.8s linear infinite;
}
.glow-ring::after{
  content:"";
  position:absolute;
  inset:-6px;
  border-radius:50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,107,107,.25), transparent 60%);
  opacity:.55;
  z-index:-1;
  animation: pulseGlow 2.6s ease-in-out infinite;
}

@keyframes spinRing{
  to{ transform: rotate(360deg); }
}
@keyframes pulseGlow{
  0%,100%{ transform: scale(1); opacity:.45; }
  50%{ transform: scale(1.03); opacity:.70; }
}

/* ===== low opacity underline shimmer under texts ===== */
.reveal-underline{
  position:relative;
}
.reveal-underline::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-10px;
  width:100%;
  height:2px;
  border-radius:99px;
  background: linear-gradient(90deg, transparent, rgba(183,75,75,.45), transparent);
  opacity:.35;
  transform: translateX(-30%);
  animation: underlineMove 3.8s ease-in-out infinite;
  pointer-events:none;
}
@keyframes underlineMove{
  0%{ transform: translateX(-35%); opacity:.20; }
  50%{ transform: translateX(15%); opacity:.42; }
  100%{ transform: translateX(-35%); opacity:.20; }
}

/* tighter underline spacing for small pills/buttons/icons */
.pill.reveal-underline::after,
.social-icons a.reveal-underline::after,
.btn.reveal-underline::after{
  bottom:-6px;
  height:2px;
  opacity:.22;
}

/* ===== certification image styling ===== */
.cert-wrap{ display:block; margin-top:1.2rem; }
.cert-img{
  width:100%;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  box-shadow: 0 18px 50px rgba(0,0,0,.45);
}

/* ===== skill logos row ===== */
.skill-logos{
  display:flex;
  flex-wrap:wrap;
  gap:.9rem;
  margin-top:1.2rem;
}
.slogo{
  display:inline-flex;
  align-items:center;
  gap:.7rem;
  padding:.7rem 1.0rem;
  border-radius:999px;
  background: rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);
  font-size:1.35rem;
  color: rgba(255,255,255,.88);
}
.slogo i{
  color: var(--accent2);
  font-size:1.7rem;
}
.slogo b{ font-weight:700; }

/* ===== links inside panels ===== */
.link{
  color: var(--accent2);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.link:hover{ color: var(--accent); }
/* ===== Modal/Popup ===== */
.modal{
  display:none;
  position:fixed;
  inset:0;
  z-index:1000;
  background:rgba(0,0,0,.7);
  backdrop-filter:blur(8px);
  align-items:center;
  justify-content:center;
  animation:fadeIn .3s ease;
}
.modal.show{
  display:flex;
}
.modal-content{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:3rem;
  max-width:450px;
  text-align:center;
  box-shadow:var(--shadow);
  animation:slideUp .4s ease;
}
.modal-icon{
  font-size:4rem;
  color:var(--accent2);
  margin-bottom:1.5rem;
}
.modal-content h2{
  font-size:2rem;
  margin-bottom:1rem;
  color:var(--text);
}
.modal-content p{
  font-size:1.4rem;
  color:var(--muted);
  margin-bottom:2rem;
  line-height:1.6;
}
@keyframes fadeIn{
  from{ opacity:0; }
  to{ opacity:1; }
}
@keyframes slideUp{
  from{
    opacity:0;
    transform:translateY(30px);
  }
  to{
    opacity:1;
    transform:translateY(0);
  }
}