:root{
  --bg:#0b0f17;
  --panel:#111827;
  --card:#0f172a;
  --text:#e5e7eb;
  --muted:#a7b0c0;
  --line:rgba(255,255,255,0.10);
  --accent:#7c3aed;
  --accent2:#22c55e;
  --shadow: 0 10px 35px rgba(0,0,0,0.35);
  --radius: 18px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth; overflow-x:hidden}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 10% 10%, rgba(124,58,237,0.20), transparent 50%),
    radial-gradient(900px 500px at 90% 15%, rgba(34,197,94,0.16), transparent 55%),
    var(--bg);
  overflow-x:hidden;
}

a{color:inherit; text-decoration:none}
a:hover{opacity:0.9}
code{background:rgba(255,255,255,0.06); padding:2px 6px; border-radius:8px; border:1px solid var(--line)}
ul{margin:10px 0 0; padding-left:18px}
li{margin:6px 0; color:var(--muted)}

.container{width:min(1100px, 92%); margin:0 auto}

.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(11,15,23,0.72);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.logo{
  width:42px; height:42px; display:grid; place-items:center;
  background:linear-gradient(135deg, rgba(124,58,237,0.9), rgba(34,197,94,0.7));
  border-radius:14px;
  font-weight:800;
  box-shadow: var(--shadow);
}

.nav{display:flex; align-items:center; gap:14px; position:relative}
.nav-links{
  display:flex; align-items:center; gap:16px;
}
.nav-links a{color:var(--muted); font-weight:600}
.nav-links a:hover{color:var(--text)}
.nav-links a.primary{
  color:var(--text);
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,0.04);
}
.nav-toggle{
  display:none;
  background:transparent;
  border:1px solid var(--line);
  color:var(--text);
  border-radius:12px;
  padding:10px 12px;
}
.burger{
  display:block;
  width:18px; height:2px; background:var(--text);
  position:relative;
}
.burger::before,.burger::after{
  content:"";
  position:absolute; left:0;
  width:18px; height:2px; background:var(--text);
}
.burger::before{top:-6px}
.burger::after{top:6px}

.sr-only{
  position:absolute; width:1px; height:1px;
  padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 16px;
  border-radius:14px;
  border:1px solid var(--line);
  background:linear-gradient(135deg, rgba(124,58,237,0.9), rgba(124,58,237,0.65));
  font-weight:800;
  box-shadow: var(--shadow);
}
.btn:hover{transform: translateY(-1px)}
.btn:active{transform: translateY(0px)}
.btn-ghost{
  background:rgba(255,255,255,0.03);
  box-shadow:none;
}
.btn-small{
  padding:10px 12px;
  border-radius:12px;
  font-weight:800;
}

.hero{padding:56px 0 22px}
.hero-grid{
  display:grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap:22px;
  align-items:start;
}
.eyebrow{
  color:var(--muted);
  font-weight:700;
  letter-spacing:0.4px;
}
h1{
  font-size: clamp(2.1rem, 2.8vw, 3.0rem);
  margin:12px 0 10px;
  line-height:1.05;
}
.accent{color:var(--accent)}
.lead{
  color:var(--muted);
  font-size:1.05rem;
  line-height:1.6;
  max-width:56ch;
}
.hero-cta{display:flex; gap:12px; margin:18px 0}
.chips{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
.chip{
  padding:8px 12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,0.03);
  border-radius:999px;
  color:var(--muted);
  font-weight:700;
}

.hero-card{
  border:1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border-radius: var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
}
.hero-card-top{
  display:flex; gap:12px; align-items:center;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.avatar{
  width:50px; height:50px; border-radius:16px;
  display:grid; place-items:center;
  background: rgba(124,58,237,0.18);
  border:1px solid rgba(124,58,237,0.35);
  font-weight:900;
}
.name{margin:0; font-weight:900}
.meta{margin:4px 0 0; color:var(--muted); font-weight:700}

.hero-card-body{
  display:grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap:10px;
  padding:14px 0;
}
.stat{
  border:1px solid var(--line);
  background:rgba(255,255,255,0.03);
  border-radius:14px;
  padding:10px;
  text-align:center;
}
.stat-num{
  margin:0;
  font-size:1.35rem;
  font-weight:900;
}
.stat-label{
  margin:4px 0 0;
  color:var(--muted);
  font-weight:700;
  font-size:0.9rem;
}

.hero-card-actions{
  display:flex; flex-wrap:wrap; gap:10px;
  padding-top:8px;
}
.fine{
  color:var(--muted);
  font-size:0.92rem;
  line-height:1.5;
  margin:12px 0 0;
}

.section{
  padding:46px 0;
  border-top:1px solid var(--line);
}
.section-head{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin-bottom:18px;
}
.section-head h2{
  margin:0;
  font-size:1.7rem;
}
.section-head p{margin:0; color:var(--muted); line-height:1.6}

.filters{
  display:flex; flex-wrap:wrap;
  gap:10px;
  margin:12px 0 18px;
}
.filter{
  padding:10px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,0.03);
  color:var(--muted);
  font-weight:800;
  cursor:pointer;
}
.filter.active{
  color:var(--text);
  border-color: rgba(124,58,237,0.6);
  background: rgba(124,58,237,0.18);
}

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.card{
  border:1px solid var(--line);
  background:rgba(255,255,255,0.03);
  border-radius: var(--radius);
  padding:16px;
  box-shadow: var(--shadow);
  display:flex;
  flex-direction:column;
  gap:10px;
  min-height: 210px;
}
.card h3{margin:0}
.card p{margin:0; color:var(--muted); line-height:1.6}
.tags{display:flex; flex-wrap:wrap; gap:8px}
.tag{
  font-size:0.86rem;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--muted);
  background:rgba(255,255,255,0.02);
  font-weight:700;
}
.card .actions{margin-top:auto; display:flex; gap:10px; flex-wrap:wrap}
.link{
  border:1px solid var(--line);
  padding:9px 12px;
  border-radius:12px;
  font-weight:800;
  color:var(--text);
  background: rgba(255,255,255,0.02);
}
.link.primary{
  border-color: rgba(34,197,94,0.55);
  background: rgba(34,197,94,0.14);
}

.skills{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.skill-card{
  border:1px solid var(--line);
  background:rgba(255,255,255,0.03);
  border-radius: var(--radius);
  padding:16px;
  box-shadow: var(--shadow);
}
.skill-card h3{margin:0 0 10px}

.timeline{display:flex; flex-direction:column; gap:14px}
.timeline-item{
  display:grid;
  grid-template-columns: 18px 1fr;
  gap:12px;
  align-items:start;
}
.dot{
  width:12px; height:12px; border-radius:50%;
  margin-top:8px;
  background: rgba(124,58,237,0.85);
  box-shadow: 0 0 0 6px rgba(124,58,237,0.15);
}
.timeline-content{
  border:1px solid var(--line);
  background:rgba(255,255,255,0.03);
  border-radius: var(--radius);
  padding:16px;
}
.timeline-content h3{margin:0 0 6px}
.muted{color:var(--muted)}

.contact-grid{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap:14px;
}
.contact-card, .contact-form{
  border:1px solid var(--line);
  background:rgba(255,255,255,0.03);
  border-radius: var(--radius);
  padding:16px;
  box-shadow: var(--shadow);
}
.link-list{display:flex; flex-direction:column; gap:10px; margin:12px 0}
.link-list a{
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--text);
  background: rgba(255,255,255,0.02);
  font-weight:800;
}
.availability{
  margin-top:14px;
  border-top:1px solid var(--line);
  padding-top:14px;
}
.contact-form label{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-bottom:12px;
  font-weight:800;
}
input, textarea{
  width:100%;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(11,15,23,0.65);
  color:var(--text);
  padding:12px 12px;
  font-size:1rem;
  outline:none;
}
input:focus, textarea:focus{
  border-color: rgba(124,58,237,0.55);
  box-shadow: 0 0 0 6px rgba(124,58,237,0.12);
}

.footer{
  border-top:1px solid var(--line);
  padding:26px 0;
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}

/* Responsive */
@media (max-width: 920px){
  .hero-grid{grid-template-columns: 1fr; }
  .grid{grid-template-columns: repeat(2, 1fr)}
  .skills{grid-template-columns: 1fr}
  .contact-grid{grid-template-columns: 1fr}
  .nav-toggle{display:inline-flex; align-items:center; justify-content:center; cursor:pointer}
  .nav-links{
    display:none;
    position:absolute;
    right:4%;
    top:64px;
    width:min(340px, 92vw);
    padding:12px;
    flex-direction:column;
    gap:10px;
    border:1px solid var(--line);
    background:rgba(11,15,23,0.92);
    border-radius:16px;
    box-shadow: var(--shadow);
  }
  .nav-links.open{display:flex}
}
@media (max-width: 560px){
  .grid{grid-template-columns: 1fr}
  .hero-card-body{grid-template-columns: 1fr 1fr}
}


/* ===== Certificates Modal ===== */
.cert-card button {
  margin-top: 12px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.modal.open {
  display: flex;
}

.modal-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
  background: #000;
  border-radius: 16px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}

.modal-content img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 12px;
}

.modal-close {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  font-size: 22px;
  font-weight: bold;
  cursor: pointer;
  background: #ef4444;
  color: white;
}


/* ===== Improved Mobile Navigation ===== */

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(320px, 85vw);
  height: 100vh;
  background: rgba(11,15,23,0.98);
  backdrop-filter: blur(12px);
  border-left: 1px solid var(--line);
  z-index: 300;
  display: flex;
  flex-direction: column;
  transform: translateX(110%);
  transition: transform 0.35s ease;
  visibility: hidden;
  pointer-events: none;
  box-shadow: -20px 0 60px rgba(0,0,0,0.6);
}

.mobile-drawer.open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.drawer-logo {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  font-weight: 900;
}

.drawer-close {
  background: none;
  border: none;
  color: var(--text);
  font-size: 32px;
  cursor: pointer;
}

.drawer-links {
  display: flex;
  flex-direction: column;
  padding: 24px;
  gap: 18px;
}

.drawer-links a {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid transparent;
}

.drawer-links a:hover {
  background: rgba(255,255,255,0.06);
  border-color: var(--line);
}

.drawer-links a.primary {
  background: rgba(124,58,237,0.2);
  border-color: rgba(124,58,237,0.5);
}

/* Overlay */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 250;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* Hide desktop nav links on mobile */
@media (max-width: 920px) {
  .nav-links {
    display: none !important;
  }
}

/* ===== Credly Badge ===== */
.credly-wrapper {
  display: flex;
  justify-content: center;
  margin: 16px 0;
}

.credly-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ===== Certificate Buttons ===== */
.cert-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(124,58,237,0.5);
  background: rgba(124,58,237,0.18);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

.cert-btn:hover {
  background: rgba(124,58,237,0.28);
  transform: translateY(-1px);
}

.cert-icon {
  font-size: 1rem;
}

/* ===== Improved Certificate Viewer ===== */
.cert-modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 600;
}

.cert-modal.open {
  display: block;
}

.cert-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.25s ease;
}

.cert-viewer {
  position: relative;
  width: min(900px, 92vw);
  max-height: 90vh;
  margin: auto;
  top: 50%;
  transform: translateY(-50%) scale(0.95);
  background: #0b0f17;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 40px 120px rgba(0,0,0,0.8);
  animation: zoomIn 0.25s ease forwards;
  display: flex;
  flex-direction: column;
}

.cert-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

.cert-title {
  font-weight: 800;
}

.cert-close {
  background: none;
  border: none;
  color: var(--text);
  font-size: 28px;
  cursor: pointer;
}

.cert-body {
  padding: 16px;
  overflow: auto;
  text-align: center;
}

.cert-body img {
  max-width: 100%;
  max-height: 70vh;
  border-radius: 12px;
  cursor: zoom-in;
  transition: transform 0.25s ease;
}

.cert-body img.zoomed {
  transform: scale(1.6);
  cursor: zoom-out;
}

.cert-footer {
  padding: 10px 18px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.hint {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: translateY(-50%) scale(0.92);
  }
  to {
    opacity: 1;
    transform: translateY(-50%) scale(1);
  }
}

/* Mobile tweaks */
@media (max-width: 600px) {
  .cert-body img.zoomed {
    transform: scale(1.2);
  }
}

/* ===== PDF Certificate Viewer ===== */
.cert-body iframe {
  width: 100%;
  height: 70vh;
  border: none;
  border-radius: 12px;
  background: #111;
}

.cert-body img {
  max-width: 100%;
  max-height: 70vh;
  border-radius: 12px;
}

.cert-footer {
  display: flex;
  justify-content: flex-end;
  padding: 12px 18px;
  border-top: 1px solid var(--line);
}

.cert-download {
  font-weight: 800;
  color: var(--accent);
}