:root{
  --bg:#061923;--bg2:#091f2c;--panel:#102838;--panel2:#132f42;
  --text:#f4f7fb;--muted:#b5c4d4;--cyan:#12b8f6;--cyan2:#0579ff;
  --shadow:0 18px 45px rgba(0,0,0,.35);--radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Poppins,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at top left,#15354a 0%,var(--bg) 36%,#02080d 100%);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}
.site-header{position:sticky;top:0;z-index:1000;min-height:82px;padding:0 8%;display:flex;align-items:center;justify-content:space-between;background:rgba(6,25,35,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(18,184,246,.16)}
.logo{font-size:1.55rem;font-weight:800;letter-spacing:.3px}
.nav{display:flex;gap:1.45rem;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.nav a{font-weight:600;color:#e8eef5;transition:.25s;font-size:.95rem}.nav a:hover{color:var(--cyan)}
.menu-toggle{display:none;background:none;border:0;color:white;font-size:1.9rem}

.page{min-height:100vh;padding:110px 8% 70px}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}
.eyebrow{color:var(--cyan);font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;margin-bottom:.6rem}
h1{font-size:clamp(2.3rem,6vw,5.8rem);line-height:1.05}h1 span{color:var(--cyan)}
.hero h2{font-size:clamp(1.4rem,3vw,2.2rem);margin:1rem 0}
.hero p,.section-heading p,.about-card p,.cert-card li{color:var(--muted)}
.hero-actions{display:flex;gap:1rem;margin-top:2rem;flex-wrap:wrap}
.btn{padding:.9rem 1.25rem;border-radius:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}
.primary{background:linear-gradient(135deg,var(--cyan),var(--cyan2));color:#00131d}.secondary{border:1px solid rgba(18,184,246,.55);color:var(--cyan)}
.hero-panel,.glass-card{background:linear-gradient(160deg,rgba(19,47,66,.9),rgba(9,31,44,.82));border:1px solid rgba(18,184,246,.22);box-shadow:var(--shadow);border-radius:var(--radius)}
.hero-panel{padding:2rem;position:relative}.status-dot{width:14px;height:14px;border-radius:50%;background:#25ff99;box-shadow:0 0 20px #25ff99;margin-bottom:1rem}
.hero-panel h3,.glass-card h3{font-size:1.35rem;margin-bottom:1rem}
.snapshot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.stat{background:rgba(255,255,255,.04);padding:1rem;border-radius:14px;border:1px solid rgba(255,255,255,.08)}.stat strong{font-size:1.7rem;color:var(--cyan);display:block}.stat span{color:var(--muted);font-size:.86rem}

.section-shell{padding-top:100px}.section-heading{text-align:center;max-width:900px;margin:0 auto 2.5rem}.section-heading h2{font-size:clamp(2rem,4vw,3.4rem);margin-bottom:.7rem}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.glass-card{padding:1.6rem}.cert-card ul{padding-left:1.2rem}

.filter-bar{display:flex;justify-content:center;gap:.7rem;margin-bottom:3rem;flex-wrap:wrap}.filter-btn{background:rgba(255,255,255,.06);color:var(--text);border:1px solid rgba(255,255,255,.12);padding:.7rem 1rem;border-radius:999px;font-weight:700;cursor:pointer}.filter-btn.active,.filter-btn:hover{background:var(--cyan);color:#00131d;border-color:var(--cyan)}

.timeline-wrapper{position:relative;max-width:1040px;margin:0 auto;padding:2rem 0}.timeline-line{position:absolute;top:0;bottom:0;left:50%;width:4px;transform:translateX(-50%);background:linear-gradient(var(--cyan),#8f8f8f,var(--cyan));border-radius:999px}.timeline-line:before,.timeline-line:after{content:"";position:absolute;left:50%;transform:translateX(-50%);width:26px;height:26px;border-radius:50%;background:#222;border:5px solid #aaa}.timeline-line:before{top:-18px}.timeline-line:after{bottom:-18px}
.timeline{display:flex;flex-direction:column;gap:2rem}.timeline-item{position:relative;width:50%;padding:0 2rem}.timeline-item.left{align-self:flex-start}.timeline-item.right{align-self:flex-end}
.timeline-card{display:grid;grid-template-columns:1fr 106px;min-height:150px;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transform:translateY(18px);opacity:0;transition:.5s ease}.timeline-card.visible{transform:translateY(0);opacity:1}
.timeline-main{padding:1.35rem;background:var(--card-color)}.timeline-date{background:rgba(255,255,255,.13);padding:1.15rem;display:flex;flex-direction:column;justify-content:center;align-items:center;font-weight:800;font-size:1rem;text-align:center}.timeline-date span{font-size:1.5rem}
.timeline-card h3{font-size:1.05rem;margin-bottom:.25rem}.location{font-size:.82rem;color:rgba(255,255,255,.85);margin-bottom:.45rem}.timeline-card p{font-size:.88rem;color:rgba(255,255,255,.9)}
.tags{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.8rem}.tag{font-size:.72rem;padding:.25rem .5rem;border-radius:999px;background:rgba(0,0,0,.18)}
.read-more-btn{margin-top:1rem;border:0;background:rgba(0,0,0,.2);color:white;padding:.55rem .75rem;border-radius:999px;font-weight:700;cursor:pointer}.read-more-btn:hover{background:rgba(0,0,0,.32)}
.more-panel{display:none;margin-top:1rem;background:rgba(0,0,0,.16);border-radius:12px;padding:1rem}.more-panel.open{display:block}.more-panel ul,.project-card ul,.skill-category ul,.cert-card-new ul{padding-left:1.15rem}.more-panel li,.project-card li,.skill-category li{margin:.35rem 0}.more-panel a,.project-card a,.cert-card-new a{color:white;font-weight:800;text-decoration:underline;text-underline-offset:3px}

.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}.project-card,.skill-category,.cert-card-new{padding:1.4rem;border-radius:18px;background:linear-gradient(160deg,rgba(19,47,66,.92),rgba(7,23,34,.92));border:1px solid rgba(18,184,246,.18);box-shadow:var(--shadow)}
.project-card h3,.skill-category h3,.cert-card-new h3{margin-bottom:.8rem}.project-card p,.skill-category li,.cert-card-new p{color:var(--muted);font-size:.92rem}.project-card .meta{margin-top:1rem;color:var(--cyan);font-weight:700;font-size:.85rem}
.skills-category-grid,.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.skill-category h3{color:var(--cyan)}.cert-card-new .placeholder{margin-top:1rem;padding:.8rem;border-radius:12px;background:rgba(255,255,255,.05);border:1px dashed rgba(18,184,246,.4);color:var(--cyan);font-size:.85rem}
.contact-page{min-height:70vh}.contact-card{max-width:650px;margin:0 auto;text-align:center}.contact-card a{color:var(--cyan)}
.skill-category h3{color:var(--cyan)}

.cert-img-box{
  margin-top:1rem;
  width:100%;
  height:125px;
  border-radius:14px;
  overflow:hidden;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(18,184,246,.25);
  display:flex;
  align-items:center;
  justify-content:center;
}

.cert-img-link{
  width:100%;
  height:100%;
  display:block;
}

.cert-img-link img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:.25s ease;
}

.cert-img-link:hover img{
  transform:scale(1.04);
}

.cert-img-empty{
  color:var(--muted);
  font-size:.85rem;
  text-align:center;
  padding:1rem;
}

.cert-link-disabled{
  color:var(--muted);
  font-weight:700;
  font-size:.9rem;
}
.contact-page{min-height:70vh}.contact-card{max-width:650px;margin:0 auto;text-align:center}.contact-card a{color:var(--cyan)}
footer{text-align:center;padding:1.5rem;color:var(--muted);background:#041019}

@media(max-width:1050px){.nav{gap:1rem}.site-header{padding:0 5%}.page{padding-left:5%;padding-right:5%}}
@media(max-width:900px){.menu-toggle{display:block}.nav{position:absolute;top:82px;left:0;right:0;background:#061923;display:none;flex-direction:column;padding:1rem 5%;gap:1rem;border-bottom:1px solid rgba(18,184,246,.16)}.nav.open{display:flex}.hero,.about-grid{grid-template-columns:1fr}.project-grid,.skills-category-grid,.cert-grid{grid-template-columns:1fr 1fr}.timeline-line{left:18px}.timeline-item,.timeline-item.left,.timeline-item.right{width:100%;align-self:stretch;padding-left:3rem;padding-right:0}}
@media(max-width:560px){.page{padding:95px 5% 50px}.snapshot-grid,.project-grid,.skills-category-grid,.cert-grid{grid-template-columns:1fr}.timeline-card{grid-template-columns:1fr}.timeline-date{align-items:flex-start;text-align:left}}