/* =====================================================
   farabbi.info – Master Stylesheet v3
   MD Nezam (Farabbi) · Data Analyst & Web Developer
   ===================================================== */

/* ---- RESET ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}

:root{
  --bg:         #070b18;
  --bg2:        #0c1128;
  --bg3:        #0f1530;
  --surf:       rgba(255,255,255,0.04);
  --surf2:      rgba(255,255,255,0.07);
  --bdr:        rgba(255,255,255,0.08);
  --bdr2:       rgba(255,255,255,0.13);
  --blue:       #4f8ef7;
  --purple:     #7c5cfc;
  --green:      #22c55e;
  --gold:       #f5c842;
  --text:       #dde5f5;
  --muted:      #7e93b4;
  --white:      #ffffff;
  --r:          14px;
  --r-sm:       9px;
  --ease:       0.26s cubic-bezier(.4,0,.2,1);
  --nav-h:      66px;
}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h);}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;min-height:100vh;}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
strong{color:var(--white);font-weight:600;}

.container{width:min(92%,1000px);margin-inline:auto;}

/* ---- BUTTONS ---- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:99px;font-size:.9rem;font-weight:600;font-family:inherit;border:none;transition:all var(--ease);cursor:pointer;white-space:nowrap;}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;box-shadow:0 4px 20px rgba(79,142,247,.35);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(79,142,247,.55);}
.btn-outline{background:transparent;color:var(--text);border:1.5px solid var(--bdr2);}
.btn-outline:hover{background:var(--surf2);border-color:var(--blue);color:var(--blue);transform:translateY(-2px);}
.btn-sm{padding:8px 18px!important;font-size:.82rem!important;flex-shrink:0;}

/* =====================================================
   NAV
   ===================================================== */
.topnav{position:fixed;top:0;left:0;right:0;z-index:200;height:var(--nav-h);background:rgba(7,11,24,.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--bdr);transition:background var(--ease);}
.topnav.scrolled{background:rgba(7,11,24,.97);}
.nav-inner{height:100%;display:flex;align-items:center;gap:20px;}
.nav-logo{font-weight:800;font-size:.95rem;background:linear-gradient(90deg,var(--blue),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;flex-shrink:0;}
.nav-links{list-style:none;display:flex;gap:2px;flex:1;justify-content:center;}
.nav-link{padding:6px 12px;border-radius:99px;font-size:.82rem;font-weight:500;color:var(--muted);transition:all var(--ease);}
.nav-link:hover,.nav-link.active{color:var(--white);background:var(--surf2);}

/* Mobile hamburger */
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--muted);border-radius:2px;transition:all var(--ease);}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* =====================================================
   SECTIONS
   ===================================================== */
.section{padding:88px 0 72px;}
.section-title{font-size:clamp(1.4rem,3vw,1.9rem);font-weight:700;margin-bottom:36px;position:relative;display:inline-block;color:var(--white);}
.section-title::after{content:'';position:absolute;bottom:-8px;left:0;width:40px;height:3px;border-radius:99px;background:linear-gradient(90deg,var(--blue),var(--purple));}
.section-sub{color:var(--muted);font-size:.92rem;margin-top:-20px;margin-bottom:28px;}
.section-header-row{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:12px;}
.view-all-link{font-size:.9rem;font-weight:600;color:var(--blue);transition:color var(--ease);}
.view-all-link:hover{color:var(--purple);}

/* =====================================================
   HERO
   ===================================================== */
.hero{position:relative;overflow:hidden;background:linear-gradient(145deg,#060a1a 0%,#0c1535 45%,#0e1535 100%);padding:calc(var(--nav-h) + 60px) 0 0;border-bottom:1px solid var(--bdr);}
.hero-bg-shapes{position:absolute;inset:0;pointer-events:none;z-index:0;}
.shape{position:absolute;border-radius:50%;filter:blur(90px);opacity:.2;}
.s1{width:560px;height:560px;background:#4f8ef7;top:-180px;right:-120px;}
.s2{width:420px;height:420px;background:#7c5cfc;bottom:-100px;left:-60px;}
.s3{width:300px;height:300px;background:#22c55e;top:50%;left:45%;opacity:.07;}
.hero-inner{position:relative;z-index:1;display:flex;align-items:center;gap:50px;flex-wrap:wrap;padding-bottom:60px;}

/* Profile */
.profile-wrap{position:relative;flex-shrink:0;}
.profile-pic{width:185px;height:185px;object-fit:cover;object-position:top center;border-radius:50%;border:4px solid rgba(255,255,255,.12);box-shadow:0 0 0 10px rgba(79,142,247,.1),0 20px 60px rgba(0,0,0,.4);transition:transform var(--ease),box-shadow var(--ease);}
.profile-pic:hover{transform:scale(1.03);box-shadow:0 0 0 14px rgba(79,142,247,.2),0 20px 60px rgba(0,0,0,.4);}
.online-badge{position:absolute;bottom:12px;right:12px;width:18px;height:18px;background:var(--green);border-radius:50%;border:3px solid var(--bg);animation:pulse 2.2s infinite;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(34,197,94,.5);}50%{box-shadow:0 0 0 9px rgba(34,197,94,0);}}

.hero-text{flex:1;min-width:260px;}

/* Cert badges row */
.cert-badges-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.hero-badge{display:inline-flex;align-items:center;gap:6px;border-radius:99px;padding:5px 13px;font-size:.73rem;font-weight:700;letter-spacing:.03em;}
.google-badge{background:rgba(66,133,244,.15);border:1px solid rgba(66,133,244,.35);color:#60a5fa;}
.ibm-badge{background:rgba(0,99,158,.18);border:1px solid rgba(0,99,158,.4);color:#5eadf7;}
.cam-badge{background:rgba(149,56,103,.15);border:1px solid rgba(149,56,103,.35);color:#e47eaa;}

h1{font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.12;color:var(--white);margin-bottom:8px;}
.accent{background:linear-gradient(90deg,var(--blue),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.tagline{font-size:1.1rem;color:var(--text);font-weight:600;margin-bottom:4px;}
.hero-tagline-sub{font-size:.92rem;color:var(--muted);margin-bottom:4px;font-style:italic;}
.location{font-size:.85rem;color:var(--muted);margin-bottom:26px;}

.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px;}

/* Social */
.social-row{display:flex;gap:10px;margin-bottom:18px;}
.social-link{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:var(--surf);border:1px solid var(--bdr2);color:var(--muted);transition:all var(--ease);}
.social-link svg{width:19px;height:19px;}
.social-link:hover{background:linear-gradient(135deg,var(--blue),var(--purple));border-color:transparent;color:#fff;transform:translateY(-3px);}

/* Freelance row */
.freelance-row{display:flex;gap:10px;flex-wrap:wrap;}
.freelance-btn{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:99px;font-size:.82rem;font-weight:500;border:1.5px solid;transition:all var(--ease);}
.fiverr-btn{border-color:rgba(29,191,115,.4);color:#1dbf73;background:rgba(29,191,115,.08);}
.fiverr-btn:hover{background:rgba(29,191,115,.18);transform:translateY(-1px);}
.upwork-btn{border-color:rgba(20,163,60,.4);color:#14a33c;background:rgba(20,163,60,.08);}
.upwork-btn:hover{background:rgba(20,163,60,.18);transform:translateY(-1px);}

/* Stats bar */
.stats-bar{position:relative;z-index:1;background:rgba(255,255,255,.025);border-top:1px solid var(--bdr);}
.stats-inner{display:flex;align-items:center;justify-content:space-around;flex-wrap:wrap;}
.stat-item{padding:18px 22px;text-align:center;flex:1;min-width:90px;border-right:1px solid var(--bdr);}
.stat-item:last-child{border-right:none;}
.stat-value{display:block;font-size:1.55rem;font-weight:800;background:linear-gradient(135deg,var(--blue),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2;}
.stat-label{font-size:.72rem;color:var(--muted);font-weight:500;text-transform:uppercase;letter-spacing:.06em;margin-top:4px;display:block;}

/* =====================================================
   ABOUT
   ===================================================== */
.about-section{background:var(--bg2);}
.about-text{font-size:1rem;color:var(--muted);max-width:800px;line-height:1.88;}

/* =====================================================
   SKILLS
   ===================================================== */
.skills-section{background:var(--bg3);}
.skills-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;}
.skill-category{background:var(--surf);border:1px solid var(--bdr);border-radius:var(--r);padding:20px;transition:border-color var(--ease),box-shadow var(--ease);}
.skill-category:hover{border-color:rgba(79,142,247,.35);box-shadow:0 4px 20px rgba(79,142,247,.07);}
.skill-cat-title{font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--blue);margin-bottom:14px;}
.skill-tags{display:flex;flex-wrap:wrap;gap:7px;}
.skill-tag{padding:4px 11px;background:rgba(79,142,247,.08);border:1px solid rgba(79,142,247,.18);border-radius:99px;font-size:.8rem;color:var(--text);font-weight:500;transition:all var(--ease);}
.skill-tag:hover{background:rgba(79,142,247,.18);border-color:var(--blue);color:var(--blue);}

/* =====================================================
   EXPERIENCE
   ===================================================== */
.exp-section{background:var(--bg);}
.timeline{display:flex;flex-direction:column;gap:10px;}
.job-card{background:var(--surf);border:1px solid var(--bdr);border-radius:var(--r);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);}
.job-card:hover{border-color:rgba(79,142,247,.28);box-shadow:0 4px 16px rgba(79,142,247,.06);}
.job-toggle{width:100%;background:none;border:none;cursor:pointer;padding:16px 20px;text-align:left;color:inherit;font-family:inherit;}
.job-main{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.job-left{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0;}
.job-type-badge{display:inline-block;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:2px 9px;border-radius:99px;background:rgba(124,92,252,.12);border:1px solid rgba(124,92,252,.25);color:#a78bfa;margin-bottom:3px;width:fit-content;}
.job-title{font-size:.96rem;font-weight:600;color:var(--white);}
.job-org{font-size:.84rem;color:var(--blue);font-weight:500;}
.job-right{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.job-date{font-size:.76rem;color:var(--muted);background:rgba(255,255,255,.04);padding:4px 10px;border-radius:99px;border:1px solid var(--bdr);white-space:nowrap;}
.job-arrow{color:var(--muted);font-size:.95rem;transition:transform var(--ease);display:inline-block;}
.job-toggle[aria-expanded="true"] .job-arrow{transform:rotate(180deg);}
.job-details{display:none;padding:0 20px 16px;border-top:1px solid var(--bdr);}
.job-details p{padding-top:12px;color:var(--muted);font-size:.92rem;line-height:1.8;}
.job-card.is-open{border-color:rgba(79,142,247,.4);background:rgba(79,142,247,.03);}
.job-card.is-open .job-title{color:var(--blue);}

/* =====================================================
   CERTIFICATIONS
   ===================================================== */
.cert-section{background:var(--bg2);}
.cert-links-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px;margin-top:-16px;}
.cert-platform-link{display:inline-flex;align-items:center;gap:7px;padding:7px 15px;border-radius:99px;background:var(--surf);border:1px solid var(--bdr2);font-size:.8rem;font-weight:600;color:var(--muted);transition:all var(--ease);}
.cert-platform-link:hover{background:rgba(79,142,247,.1);border-color:var(--blue);color:var(--blue);transform:translateY(-1px);}

.cert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:15px;}

/* Category group heading — spans full width */
.cert-cat-heading{
  grid-column:1/-1;
  font-size:.72rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.1em;
  color:var(--muted);
  padding:4px 0 8px;
  border-bottom:1px solid var(--bdr);
  margin-top:10px;
}
.cert-cat-heading:first-child{margin-top:0;}

/* Platform badges */
.cert-platform-badge{
  font-size:.68rem;
  font-weight:600;
  padding:2px 8px;
  border-radius:99px;
}
.accredible-badge{background:rgba(0,188,169,.1);border:1px solid rgba(0,188,169,.3);color:#2dd4bf;}
.credly-badge{background:rgba(245,144,42,.1);border:1px solid rgba(245,144,42,.3);color:#fb923c;}
.cert-card{display:flex;flex-direction:column;gap:12px;padding:20px;background:var(--surf);border:1px solid var(--bdr);border-radius:var(--r);transition:all var(--ease);cursor:pointer;}
.cert-card:hover{background:rgba(79,142,247,.055);border-color:var(--blue);transform:translateY(-3px);box-shadow:0 10px 26px rgba(79,142,247,.13);}
.cert-card.inprogress{border-style:dashed;border-color:rgba(245,200,66,.3);}
.cert-card.inprogress:hover{border-color:var(--gold);}
.cert-top{display:flex;align-items:flex-start;gap:13px;}
.cert-icon{font-size:2rem;flex-shrink:0;line-height:1;}
.cert-meta{flex:1;}
.cert-name{font-size:.95rem;font-weight:700;color:var(--white);line-height:1.3;margin-bottom:4px;}
.cert-issuer{font-size:.78rem;color:var(--blue);font-weight:600;}
.cert-date{font-size:.72rem;color:var(--muted);margin-top:2px;}
.cert-status{display:inline-block;font-size:.68rem;font-weight:700;padding:2px 8px;border-radius:99px;margin-top:4px;}
.cert-status.completed{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.3);color:#4ade80;}
.cert-status.inprogress{background:rgba(245,200,66,.1);border:1px solid rgba(245,200,66,.3);color:var(--gold);}
.cert-org-type{display:inline-block;font-size:.68rem;padding:2px 8px;border-radius:99px;margin-left:6px;background:rgba(255,255,255,.06);color:var(--muted);}
.cert-summary{font-size:.83rem;color:var(--muted);line-height:1.65;}
.cert-footer{display:flex;align-items:center;justify-content:space-between;padding-top:8px;border-top:1px solid var(--bdr);}
.cert-view-link{font-size:.79rem;font-weight:600;color:var(--blue);}
.cert-view-link:hover{color:var(--purple);}

/* =====================================================
   PROJECTS
   ===================================================== */
.projects-section{background:var(--bg3);}
.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px;}
.project-card{display:flex;flex-direction:column;gap:12px;padding:20px;background:var(--surf);border:1px solid var(--bdr);border-radius:var(--r);text-decoration:none;transition:all var(--ease);}
.project-card:hover{background:rgba(79,142,247,.055);border-color:var(--blue);transform:translateY(-4px);box-shadow:0 12px 30px rgba(79,142,247,.14);}
.project-top{display:flex;align-items:center;gap:14px;}
.project-icon{font-size:2rem;line-height:1;flex-shrink:0;}
.project-meta{flex:1;min-width:0;}
.project-name{font-size:1rem;font-weight:700;color:var(--white);margin-bottom:3px;}
.project-url{font-size:.76rem;color:var(--blue);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.project-type-badge{display:inline-block;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:2px 8px;border-radius:99px;background:rgba(124,92,252,.12);border:1px solid rgba(124,92,252,.22);color:#a78bfa;margin-bottom:6px;width:fit-content;}
.project-desc{font-size:.84rem;color:var(--muted);line-height:1.65;flex:1;}
.project-tech{display:flex;flex-wrap:wrap;gap:6px;}
.tech-tag{padding:3px 9px;background:rgba(255,255,255,.05);border:1px solid var(--bdr2);border-radius:99px;font-size:.74rem;color:var(--muted);font-weight:500;}
.project-footer{display:flex;align-items:center;justify-content:space-between;padding-top:8px;border-top:1px solid var(--bdr);}
.project-visit{font-size:.8rem;font-weight:600;color:var(--blue);}

/* =====================================================
   BLOG
   ===================================================== */
.blog-section{background:var(--bg);}
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;}
.blog-empty{grid-column:1/-1;text-align:center;padding:48px 20px;color:var(--muted);}
.blog-empty span{font-size:2.5rem;display:block;margin-bottom:12px;}
.blog-empty a{color:var(--blue);}
.blog-card{display:flex;flex-direction:column;background:var(--surf);border:1px solid var(--bdr);border-radius:var(--r);overflow:hidden;transition:all var(--ease);text-decoration:none;}
.blog-card:hover{border-color:rgba(79,142,247,.3);transform:translateY(-3px);box-shadow:0 10px 24px rgba(79,142,247,.1);}
.blog-thumb{width:100%;height:160px;object-fit:cover;background:var(--bg3);}
.blog-thumb-placeholder{width:100%;height:160px;background:linear-gradient(135deg,rgba(79,142,247,.12),rgba(124,92,252,.12));display:flex;align-items:center;justify-content:center;font-size:3rem;}
.blog-body{padding:18px;flex:1;display:flex;flex-direction:column;gap:8px;}
.blog-date{font-size:.74rem;color:var(--muted);}
.blog-title{font-size:1rem;font-weight:700;color:var(--white);line-height:1.35;}
.blog-excerpt{font-size:.84rem;color:var(--muted);line-height:1.65;flex:1;}
.blog-read-more{font-size:.8rem;font-weight:600;color:var(--blue);margin-top:4px;}

/* =====================================================
   CONTACT
   ===================================================== */
.contact-section{background:var(--bg2);}
.contact-intro{color:var(--muted);margin-top:-20px;margin-bottom:28px;font-size:.95rem;}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:13px;}
.contact-card{display:flex;align-items:center;gap:13px;padding:18px;background:var(--surf);border:1px solid var(--bdr);border-radius:var(--r);font-size:.88rem;color:var(--text);transition:all var(--ease);}
.contact-card:hover{background:rgba(79,142,247,.06);border-color:var(--blue);color:var(--blue);transform:translateY(-2px);}
.contact-icon{font-size:1.4rem;flex-shrink:0;}
.contact-label{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);display:block;margin-bottom:2px;}
.contact-val{font-weight:500;font-size:.85rem;word-break:break-all;}

/* =====================================================
   FOOTER
   ===================================================== */
.site-footer{background:var(--bg);border-top:1px solid var(--bdr);padding:40px 0;text-align:center;}
.footer-logo{font-size:1.1rem;font-weight:800;background:linear-gradient(90deg,var(--blue),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px;}
.footer-copy,.footer-sub{color:var(--muted);font-size:.85rem;}
.footer-sub{margin-top:5px;font-size:.76rem;}

/* =====================================================
   SCROLL REVEAL
   ===================================================== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease;}
.reveal.in-view{opacity:1;transform:none;}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:var(--nav-h);left:0;right:0;background:rgba(7,11,24,.98);border-bottom:1px solid var(--bdr);flex-direction:column;padding:16px;gap:4px;}
  .nav-links.open{display:flex;}
  .nav-toggle{display:flex;}
  .nav-inner{position:relative;}
  .btn-sm{display:none;}
  .hero-inner{flex-direction:column;text-align:center;align-items:center;}
  .cta-row,.social-row,.freelance-row,.cert-badges-row{justify-content:center;}
  .hero-badge{margin-inline:auto;}
  .job-main{flex-direction:column;align-items:flex-start;}
  .stats-inner{flex-direction:column;}
  .stat-item{border-right:none;border-bottom:1px solid var(--bdr);width:100%;}
  .stat-item:last-child{border-bottom:none;}
  .section{padding:64px 0 52px;}
}

@media(max-width:480px){
  .cert-grid,.projects-grid,.blog-grid,.contact-grid{grid-template-columns:1fr;}
  .skills-grid{grid-template-columns:1fr;}
}