/* =========================================================
   MD. ABDUR RAHMAN — PREMIUM PORTFOLIO
========================================================= */

:root{
  --bg:#080b11;
  --panel:#0e131c;
  --panel2:#111827;
  --text:#f8fafc;
  --muted:#aab4c5;
  --cyan:#00e5ff;
  --blue:#2563eb;
  --purple:#7c3aed;
  --pink:#ff2d95;
  --line:rgba(255,255,255,.09);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  background:var(--bg);
  color:var(--text);
  font-family:Arial,Helvetica,sans-serif;
  line-height:1.7;
}
a{text-decoration:none;color:inherit}
section{scroll-margin-top:90px}

/* NAVIGATION */
.site-header{
  position:sticky;top:0;z-index:9999;
  background:rgba(8,11,17,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.navbar{
  max-width:1400px;margin:auto;min-height:74px;padding:12px 30px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{
  font-weight:900;font-size:18px;letter-spacing:1px;white-space:nowrap;
  background:linear-gradient(90deg,var(--cyan),var(--blue),var(--purple),var(--pink));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.nav-menu{display:flex;align-items:center;justify-content:flex-end;gap:22px}
.nav-link{
  position:relative;font-size:12px;font-weight:800;letter-spacing:.7px;padding:8px 2px;
  color:#fff;transition:.25s;
}
.nav-link:after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:20px;
  background:linear-gradient(90deg,var(--cyan),var(--purple),var(--pink));transition:.25s;
}
.nav-link:hover,.nav-link.active{color:var(--cyan)}
.nav-link:hover:after,.nav-link.active:after{width:100%}
.cv-btn,.hire-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:39px;padding:0 15px;border-radius:8px;
  font-size:11px;font-weight:900;letter-spacing:.6px;
  border:1px solid rgba(255,255,255,.13);transition:.25s;
}
.cv-btn{
  background:linear-gradient(135deg,var(--blue),var(--purple));
  box-shadow:0 6px 20px rgba(37,99,235,.22);
}
.cv-btn:hover{transform:translateY(-2px);background:linear-gradient(135deg,var(--cyan),var(--blue))}
.hire-btn{
  background:linear-gradient(135deg,var(--pink),#e100ff,var(--purple));
  box-shadow:0 6px 20px rgba(255,45,149,.22);
}
.hire-btn:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 10px 28px rgba(255,45,149,.35)}
.menu-toggle{display:none;background:none;border:0;color:white;font-size:25px;cursor:pointer}

/* HERO */
.hero{
  min-height:680px;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:center;text-align:center;
  padding:100px 25px;
  background:
    radial-gradient(circle at 15% 25%,rgba(0,229,255,.12),transparent 32%),
    radial-gradient(circle at 85% 25%,rgba(225,0,255,.13),transparent 32%),
    linear-gradient(180deg,#0b1018,#080b11);
}
.hero:after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--blue),var(--purple),var(--pink));
}
.hero-glow{position:absolute;width:350px;height:350px;border-radius:50%;filter:blur(90px);opacity:.16}
.glow-one{background:var(--cyan);left:-180px;top:100px}
.glow-two{background:var(--pink);right:-180px;bottom:60px}
.hero-inner{position:relative;z-index:2;max-width:1050px}
.eyebrow{
  display:inline-block;
  position:relative;

  color:var(--cyan);

  /* Font একটু বড় */
  font-size:16px;
  font-weight:800;
  letter-spacing:2px;

  margin-bottom:22px;

  white-space:nowrap;
  overflow:hidden;

  width:0;
  border-right:2px solid var(--cyan);

  text-shadow:
    0 0 8px rgba(0,229,255,.8),
    0 0 18px rgba(124,58,237,.5);

  animation:
    eyebrowTyping 5s steps(31,end) infinite,
    eyebrowCursor .7s step-end infinite,
    eyebrowGlow 1.5s ease-in-out infinite alternate;
}


/* Typing Animation */
@keyframes eyebrowTyping{
  0%{
    width:0;
  }

  45%{
    width:calc(31ch + 70px);
  }

  75%{
    width:calc(31ch + 70px);
  }

  100%{
    width:0;
  }
}


/* Cursor */
@keyframes eyebrowCursor{
  0%,100%{
    border-color:var(--cyan);
  }

  50%{
    border-color:transparent;
  }
}


/* Neon Glow */
@keyframes eyebrowGlow{
  from{
    text-shadow:
      0 0 5px rgba(0,229,255,.5),
      0 0 10px rgba(0,229,255,.3);
  }

  to{
    text-shadow:
      0 0 10px rgba(0,229,255,1),
      0 0 25px rgba(124,58,237,.8),
      0 0 40px rgba(255,45,149,.4);
  }
}
.hero h1{
  font-size:clamp(42px,8vw,92px);line-height:1.02;font-weight:950;letter-spacing:-2px;
  margin-bottom:22px;
}
.hero h1 span{
  background:linear-gradient(90deg,var(--cyan),var(--blue),var(--purple),var(--pink));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-role{font-size:clamp(14px,2vw,22px);color:#d7deea}
.hero-role b{color:var(--pink);padding:0 5px}
.hero-motto{margin-top:24px;color:#ffd600;font-size:16px;font-weight:800}
.hero-motto span{color:var(--pink);padding:0 5px}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:35px}
.primary-btn,.secondary-btn{
  min-height:44px;padding:0 22px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:900;letter-spacing:.6px;transition:.25s
}
.primary-btn{background:linear-gradient(135deg,#00b8d4,var(--blue))}
.secondary-btn{border:1px solid rgba(0,229,255,.5);background:rgba(0,229,255,.05)}
.primary-btn:hover,.secondary-btn:hover{transform:translateY(-2px)}
.hero-tags{display:flex;justify-content:center;gap:9px;flex-wrap:wrap;margin-top:35px}
.hero-tags span{
  font-size:9px;font-weight:900;letter-spacing:1px;padding:7px 11px;border-radius:5px;
  border:1px solid var(--line);background:#101722
}
.hero-tags span:nth-child(1){color:#ff4ca7}.hero-tags span:nth-child(2){color:#b18cff}
.hero-tags span:nth-child(3){color:var(--cyan)}.hero-tags span:nth-child(4){color:#00e676}

/* SECTIONS */
.section{max-width:1180px;margin:auto;padding:105px 30px;border-bottom:1px solid rgba(255,255,255,.055)}
.section-head>span,.contact-inner>span{color:var(--cyan);font-size:11px;font-weight:900;letter-spacing:2px}
.section-head h2{font-size:clamp(30px,4vw,48px);line-height:1.15;margin:10px 0 18px}
.section-head p{max-width:760px;color:var(--muted)}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1.45fr .75fr;gap:50px;align-items:center}
.about .lead{font-size:18px;color:#d9e0eb;max-width:780px;margin-bottom:18px}
.about p{color:var(--muted);margin-bottom:14px}
.interest-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}
.interest-list span{color:#cbd5e1;font-size:14px}
.vision{margin-top:28px;padding:20px 22px;border-left:3px solid var(--cyan);background:rgba(0,229,255,.035)}
.vision small{color:var(--cyan);font-weight:900;letter-spacing:1.5px}
.vision p{margin-top:5px;color:white!important;font-weight:700}
.profile-card{
  min-height:330px;border-radius:20px;padding:35px;text-align:center;
  background:linear-gradient(145deg,#121a28,#0b1018);
  border:1px solid var(--line);box-shadow:0 20px 60px rgba(0,0,0,.25)
}
.avatar{
  width:300px;
  height:300px;

  margin:0 auto 28px;

  border-radius:50%;
  overflow:hidden;

  padding:4px;
  box-sizing:border-box;

  background:linear-gradient(
    135deg,
    var(--cyan),
    var(--purple),
    var(--pink)
  );

  box-shadow:
    0 0 30px rgba(0,229,255,.18),
    0 0 55px rgba(168,85,247,.12);
}

.avatar img{
  width:100%;
  height:100%;

  display:block;
  object-fit:cover;
  object-position:center;

  border-radius:50%;
}
.profile-card h3{font-size:19px}
.profile-card p{color:var(--muted);font-size:13px;margin:10px 0 22px}
.status{display:inline-block;padding:8px 12px;border-radius:20px;background:rgba(0,200,83,.08);color:#00e676;font-size:10px;font-weight:900;letter-spacing:.8px}

/* PROFILE WRAPPER */
.profile-wrap{
  position:relative;
  display:flex;
  justify-content:center;
  align-items:center;
}

/* 3D animated orb */
.floating-orb{
  position:absolute;
  top:-35px;
  left:-70px;

  width:120px;
  height:120px;
  border-radius:50%;

  background:radial-gradient(circle at 30% 30%, #ffffff, #28d7ff 25%, #7b2cff 60%, #ff2fb3 100%);
  box-shadow:
    0 0 25px rgba(0,229,255,.35),
    0 0 50px rgba(168,85,247,.25),
    inset -12px -12px 25px rgba(0,0,0,.25),
    inset 10px 10px 20px rgba(255,255,255,.18);

  transform-style:preserve-3d;
  animation:
    floatOrb 5s ease-in-out infinite,
    spinOrb 8s linear infinite;

  z-index:2;
}

.floating-orb::before{
  content:"";
  position:absolute;
  inset:-10px;
  border-radius:50%;
  border:2px solid rgba(0,229,255,.35);
  box-shadow:0 0 20px rgba(0,229,255,.25);
  animation:ringPulse 3s ease-in-out infinite;
}

.floating-orb::after{
  content:"";
  position:absolute;
  top:18px;
  left:22px;
  width:28px;
  height:28px;
  border-radius:50%;
  background:rgba(255,255,255,.55);
  filter:blur(2px);
}

@keyframes floatOrb{
  0%{
    transform:translate(0,0) rotateX(0deg) rotateY(0deg);
  }
  25%{
    transform:translate(-12px,10px) rotateX(10deg) rotateY(8deg);
  }
  50%{
    transform:translate(0,22px) rotateX(0deg) rotateY(16deg);
  }
  75%{
    transform:translate(10px,8px) rotateX(-10deg) rotateY(8deg);
  }
  100%{
    transform:translate(0,0) rotateX(0deg) rotateY(0deg);
  }
}

@keyframes spinOrb{
  0%{
    filter:hue-rotate(0deg);
  }
  100%{
    filter:hue-rotate(360deg);
  }
}

@keyframes ringPulse{
  0%,100%{
    transform:scale(1);
    opacity:.6;
  }
  50%{
    transform:scale(1.12);
    opacity:1;
  }
}


/* PROFILE CARD */
.profile-card{
  min-height:330px;
  border-radius:20px;
  padding:35px;
  text-align:center;
  background:linear-gradient(145deg,#121a28,#0b1018);
  border:1px solid var(--line);
  box-shadow:0 20px 60px rgba(0,0,0,.25);
}

.avatar{
  width:300px;
  height:300px;
  margin:0 auto 28px;
  border-radius:50%;
  overflow:hidden;
  padding:4px;
  box-sizing:border-box;
  background:linear-gradient(
    135deg,
    var(--cyan),
    var(--purple),
    var(--pink)
  );
  box-shadow:0 0 45px rgba(0,229,255,.2);
}

.avatar img{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
  object-position:center;
  border-radius:50%;
}

.profile-card h3{
  font-size:19px;
}

.profile-card p{
  color:var(--muted);
  font-size:13px;
  margin:10px 0 22px;
}

.status{
  display:inline-block;
  padding:8px 12px;
  border-radius:20px;
  background:rgba(0,200,83,.08);
  color:#00e676;
  font-size:10px;
  font-weight:900;
  letter-spacing:.8px;
}

/* PROFILE CARD */
.profile-card{
  width:380px;
  max-width:100%;
  padding:30px;
  box-sizing:border-box;
  text-align:center;
}

.avatar{
  width:300px;
  height:300px;
  margin:0 auto 25px;
  border-radius:50%;
  overflow:hidden;
  padding:4px;
  box-sizing:border-box;

  background:linear-gradient(
    135deg,
    var(--cyan),
    var(--purple),
    var(--pink)
  );

  box-shadow:0 0 45px rgba(0,229,255,.2);
}

.avatar img{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
  object-position:center;
  border-radius:50%;
}

.profile-card h3{
  font-size:19px;
}

.profile-card p{
  color:var(--muted);
  font-size:13px;
  margin:10px 0 22px;
}

.status{
  display:inline-block;
  padding:8px 12px;
  border-radius:20px;
  background:rgba(0,200,83,.08);
  color:#00e676;
  font-size:10px;
  font-weight:900;
  letter-spacing:.8px;
}


/* CARDS */
.project-grid,.service-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:35px;
}

.card,.service-card{
  padding:28px;
  border:1px solid var(--line);
  border-radius:15px;
  background:linear-gradient(145deg,rgba(18,25,38,.95),rgba(10,14,21,.95));
  transition:.3s;
  min-height:210px;
}

/* TOOLKIT */
.tool-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.tool-groups>div{padding:25px;border:1px solid var(--line);border-radius:14px;background:#0d131d}
.tool-groups h3{font-size:16px;margin-bottom:17px}
.pills{display:flex;gap:8px;flex-wrap:wrap}
.pills span{padding:7px 10px;border-radius:6px;background:#151e2c;color:#cbd5e1;font-size:11px}

/* GROWTH */
.growth-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:30px}
.growth-grid>div{
  text-align:center;padding:24px 12px;border:1px solid var(--line);border-radius:13px;background:#0d131d
}
.growth-grid b{display:block;font-size:28px;margin-bottom:10px}
.growth-grid strong{display:block;font-size:11px}
.growth-grid small{display:block;color:#8995a8;font-size:10px;margin-top:6px}

/* PHILOSOPHY */
.philosophy-box{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:35px}
.philosophy-box div{padding:14px 18px;border-radius:8px;background:#0d131d;border:1px solid var(--line);font-size:12px}
.philosophy-box div:nth-child(1){color:var(--cyan)}.philosophy-box div:nth-child(2){color:#ff3cac}
.philosophy-box div:nth-child(3){color:#a78bfa}.philosophy-box div:nth-child(4){color:#ff9800}.philosophy-box div:nth-child(5){color:#00e676}
.formula{text-align:center;margin-top:35px;font-size:16px;font-weight:900;letter-spacing:1px;color:#fff}

/* CONTACT */
.contact{text-align:center;padding:120px 25px;background:radial-gradient(circle at center,rgba(124,58,237,.13),transparent 55%)}
.contact-inner{max-width:900px;margin:auto}
.contact h2{font-size:clamp(32px,5vw,58px);line-height:1.1;margin:12px 0 20px}
.contact p{color:var(--muted)}
.contact-actions{display:flex;justify-content:center;gap:13px;flex-wrap:wrap;margin-top:30px}
.big{min-height:48px;padding:0 25px}
.contact-info{display:flex;justify-content:center;gap:25px;flex-wrap:wrap;margin-top:28px}
.contact-info a{color:var(--cyan);font-size:13px}
.contact-info a:last-child{color:#bda5ff}
footer{text-align:center;padding:30px 20px;color:#748096;font-size:12px}

/* RESPONSIVE */
@media(max-width:1050px){
  .navbar{flex-wrap:wrap}
  .nav-menu{gap:15px}
  .project-grid,.service-grid{grid-template-columns:repeat(2,1fr)}
  .growth-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:800px){
  .menu-toggle{display:block}
  .nav-menu{
    display:none;width:100%;flex-direction:column;align-items:stretch;
    padding:12px 0 5px
  }
  .nav-menu.open{display:flex}
  .nav-link{text-align:center}
  .cv-btn,.hire-btn{width:100%}
  .about-grid{grid-template-columns:1fr}
  .tool-groups{grid-template-columns:1fr}
}
@media(max-width:600px){
  .navbar{padding:14px 18px}
  .brand{font-size:15px}
  .hero{min-height:620px;padding:80px 18px}
  .hero h1{font-size:44px;letter-spacing:-1px}
  .hero-role{font-size:13px}
  .hero-tags span{font-size:8px}
  .section{padding:75px 20px}
  .project-grid,.service-grid,.growth-grid{grid-template-columns:1fr}
  .interest-list{grid-template-columns:1fr}
  .profile-card{min-height:auto}
}

/* =========================================================
   WORK — QUESTION GENERATOR TOOL CARD
========================================================= */
.project-grid{
  grid-template-columns:repeat(2,minmax(0,1fr));
}

.card{
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  gap:12px;
}

.card::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:0;
  background:radial-gradient(circle at 100% 0,rgba(0,229,255,.10),transparent 42%);
  transition:.3s;
}

.card:hover{
  transform:translateY(-5px);
  border-color:rgba(0,229,255,.28);
  box-shadow:0 18px 45px rgba(0,0,0,.28);
}

.card:hover::before{opacity:1}

.card-icon{
  width:48px;
  height:48px;
  border-radius:13px;
  display:grid;
  place-items:center;
  font-size:24px;
  background:#121b29;
  border:1px solid rgba(255,255,255,.08);
  margin-bottom:4px;
}

.card h3{
  font-size:20px;
  line-height:1.25;
}

.card p{
  color:var(--muted);
  font-size:14px;
  flex:1;
}

.qg-feature-card{
  border-color:rgba(0,229,255,.30);
  background:
    radial-gradient(circle at 92% 10%,rgba(124,58,237,.18),transparent 36%),
    linear-gradient(145deg,rgba(12,28,39,.98),rgba(10,14,21,.98));
  box-shadow:0 18px 45px rgba(0,229,255,.06);
}

.qg-card-badge{
  position:absolute;
  top:18px;
  right:18px;
  padding:6px 9px;
  border-radius:999px;
  color:#00e676;
  background:rgba(0,230,118,.08);
  border:1px solid rgba(0,230,118,.22);
  font-size:9px;
  font-weight:900;
  letter-spacing:1.1px;
}

.project-link{
  width:max-content;
  max-width:100%;
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:8px;
  padding:11px 14px;
  border-radius:9px;
  background:linear-gradient(135deg,var(--blue),var(--purple));
  border:1px solid rgba(255,255,255,.12);
  color:#fff;
  font-size:10px;
  font-weight:900;
  letter-spacing:.7px;
  transition:.25s;
}

.project-link:hover{
  transform:translateY(-2px);
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:0 10px 24px rgba(37,99,235,.25);
}

@media(max-width:600px){
  .project-grid{grid-template-columns:1fr}
  .qg-card-badge{top:14px;right:14px}
}