:root{
  --bg:#0c1022; --bg2:#0a0d1a; --fg:#eaeaf2; --muted:#a1a6b3;
  --card:rgba(255,255,255,0.06); --border:rgba(255,255,255,0.12);
  --accent:#7c8cff; --accent-2:#3dd9c0;
  --radius:16px; --shadow:0 10px 30px rgba(0,0,0,.35);
  --container:1200px; --gap:22px;
}
@media (prefers-color-scheme: light){
  :root{ --bg:#f4f7ff; --bg2:#eef2ff; --fg:#131520; --muted:#4a4f62; --card:rgba(255,255,255,.85); --border:rgba(0,0,0,.08); --accent:#3b5bff; --accent-2:#0bb; }
}

*{ box-sizing:border-box; }
html { scroll-behavior:smooth; }
body{ margin:0; font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; background: var(--bg); color: var(--fg); line-height:1.6; }

.container{ max-width:var(--container); margin:auto; padding:0 20px; }
.section{ padding:80px 20px; position:relative; }
.section-title{ font-size:2rem; margin:0 0 18px; }
.subhead{ margin:10px 0 24px; color:var(--muted); }

/* Background */
.bg{ position:fixed; inset:0; z-index:-2; overflow:hidden; pointer-events:none; }
.bg-gradient{
  position:absolute; inset:-15%;
  background:
    radial-gradient(50vw 50vw at 20% 20%, #3a2aff18, transparent 60%),
    radial-gradient(50vw 50vw at 80% 30%, #00e6d822, transparent 60%),
    radial-gradient(60vw 60vw at 50% 85%, #ff3ad822, transparent 60%),
    linear-gradient(180deg, var(--bg2), var(--bg));
  filter: blur(18px);
  animation: float 24s ease-in-out infinite alternate;
}
@keyframes float{ from{ transform:translateY(-1%);} to{ transform:translateY(1%);} }

/* Live code area (content filled by JS) */
.bg-code{
  position:absolute; top:12%; left:-8%; width:160%;
  color:#ffffff20; font:700 16px/1.8 ui-monospace, Menlo, Consolas, monospace;
  white-space:pre; pointer-events:none;
}
.code-2{ top:auto; bottom:8%; left:-12%; opacity:.9; }
@media (max-width: 900px){
  .bg-gradient{ animation-duration:32s; filter: blur(12px); }
  .bg-code{ font-size:14px; opacity:.14; }
}

/* Header / Nav */
header{ position:sticky; top:0; z-index:50; background: linear-gradient(180deg, rgba(0,0,0,.55), rgba(0,0,0,0)); backdrop-filter: saturate(140%) blur(8px); }
.nav-wrap{ display:flex; align-items:center; justify-content:space-between; min-height:64px; }
.brand{ color:#fff; text-decoration:none; font-weight:700; font-size:1.25rem; letter-spacing:.3px; }
.nav-menu{ list-style:none; display:flex; gap:18px; margin:0; padding:0; }
.nav-menu a{ color:#fff; text-decoration:none; padding:8px 12px; border-radius:10px; }
.nav-menu a:hover{ background:rgba(255,255,255,.1); }
.nav-toggle{ display:none; background:none; border:1px solid var(--border); color:#fff; padding:8px 12px; border-radius:10px; cursor:pointer; }

@media (max-width: 880px){
  .nav-toggle{ display:block; }
  .nav-menu{
    position:absolute; right:20px; top:68px; flex-direction:column; width:min(280px, 90vw);
    background:rgba(10,12,25,.95); border:1px solid var(--border); border-radius:14px; padding:14px;
    display:none; box-shadow:var(--shadow);
  }
  .nav-menu.show{ display:flex; }
}

/* Hero */
.hero{ padding:80px 20px 20px; }
.hero-inner{
  display:grid; grid-template-columns: 160px 1fr; gap:26px; align-items:center;
  padding:24px; border-radius:20px;
}
.glass{ background: var(--card); border:1px solid var(--border); backdrop-filter: blur(8px) saturate(140%); box-shadow: var(--shadow); }
.profile-pic{ width:140px; height:140px; border-radius:50%; object-fit:cover; border:2px solid #ffffff28; }
.intro h1{ margin:.2em 0; font-size:clamp(1.6rem,3vw,2.2rem); }
.tagline{ color:var(--muted); margin:6px 0 14px; }
.hero-highlights{ list-style:none; display:flex; flex-wrap:wrap; gap:10px 16px; padding:0; margin:0 0 16px; color:#cfd2ff; }
.hero-highlights li::before{ content:"• "; color:var(--accent-2); }

.cta-row{ display:flex; gap:12px; flex-wrap:wrap; }
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:.7rem 1.05rem; border-radius:12px; cursor:pointer; text-decoration:none; border:1px solid transparent; font-weight:600; }
.btn.primary{ background: linear-gradient(135deg, var(--accent), #9aa6ff); color:#0b0e1a; }
.btn.primary:hover{ filter:brightness(1.05); }
.btn.ghost{ background:transparent; color:#fff; border-color:#ffffff44; }
.btn.ghost:hover{ background:#ffffff12; }

/* On-brand Credly button */
.btn.credly{
  background: linear-gradient(135deg, rgba(124,140,255,.18), rgba(61,217,192,.18));
  color:#e8ecff; border:1px solid #ffffff33; backdrop-filter:saturate(140%) blur(6px);
  box-shadow: var(--shadow);
}
.btn.credly:hover{ filter:brightness(1.08); border-color:#ffffff55; }

/* ===== KPI GRID (supports any number) ===== */
.kpi-grid {
  display: grid;
  gap: var(--gap);
  margin-top: 22px;
}

/* Layout for 5 KPIs with responsive fallbacks */
.kpi-grid.five {
  grid-template-columns: repeat(5, minmax(160px, 1fr));
  max-width: 100%;
}

@media (max-width: 1100px) {
  .kpi-grid.five { grid-template-columns: repeat(3, minmax(160px, 1fr)); }
}
@media (max-width: 740px) {
  .kpi-grid.five { grid-template-columns: repeat(2, minmax(160px, 1fr)); }
}
@media (max-width: 480px) {
  .kpi-grid.five { grid-template-columns: 1fr; }
}

/* KPI Card */
.kpi {
  padding: 18px;
  border-radius: 16px;
  text-align: center;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  box-shadow: var(--shadow);
  transform: translateY(6px);
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease, border-color .25s ease;
}

/* KPI Numbers */
.kpi .num {
  display: block;
  margin-bottom: 4px;
  font-size: clamp(1.6rem, 3.8vw, 2.4rem);
  font-weight: 800;
  line-height: 1;
  color: #fff;
}

/* KPI Buttons (Data / Programming links) */
.kpi.kpi-link {
  cursor: pointer;
}
.kpi.kpi-link:hover,
.kpi.kpi-link:focus-visible {
  transform: translateY(0);
  box-shadow: 0 16px 40px rgba(0,0,0,.45);
  border-color: #ffffff33;
  filter: brightness(1.05);
}



/* Tabs / Projects */
.tabs{ display:flex; gap:10px; margin:12px 0 22px; }
.tab-button{ padding:10px 16px; border-radius:10px; border:1px solid var(--border); background: #ffffff0f; color:#fff; cursor:pointer; }
.tab-button.active{ background:linear-gradient(135deg, #2a2e57, #1b1f3c); border-color:#ffffff33; }

.project-section{ display:none; }
.project-section.active{ display:block; }

.grid{ display:grid; gap:var(--gap); grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card{ border:1px solid var(--border); border-radius:16px; overflow:hidden; background: #0e1230aa; box-shadow: var(--shadow); transform: translateY(6px); transition: transform .35s ease, box-shadow .35s ease; }
.card:hover{ transform: translateY(0); box-shadow: 0 18px 40px rgba(0,0,0,.45); }
.card img{ width:100%; height:200px; object-fit:cover; display:block; }
.card-body{ padding:16px 16px 18px; }
.card h3{ margin:.2em 0 8px; font-size:1.1rem; }
.card .meta{ color:var(--muted); font-size:.95rem; }

/* Education */
.edu-grid{ display:grid; gap:var(--gap); grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.edu-card{ padding:18px; border-radius:16px; border:1px solid var(--border); }
.edu-card h3{ margin:.2em 0 8px; }
.edu-card .meta{ color:var(--muted); }

/* Hobbies / Photography */
.hobby-block{ margin-top:8px; }

/* Photography */
.photo-grid{ display:grid; gap:var(--gap); grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.photo-thumb{
  padding:0; border:none; background:transparent; cursor:pointer; border-radius:14px; overflow:hidden;
  box-shadow: 0 10px 24px rgba(0,0,0,.35); transform: translateY(6px);
  transition: transform .25s ease, box-shadow .25s ease;
}
.photo-thumb:hover{ 
  transform: translateY(0); 
  box-shadow: 0 16px 40px rgba(0,0,0,.45); 
}
.photo-thumb img{
  width:100%; 
  height:240px; 
  object-fit:cover; 
  display:block;
  image-rendering: auto;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* Slideshow overlay */
.slideshow{ display:none; position:fixed; inset:0; z-index:1000; background: rgba(0,0,0,.85); align-items:center; justify-content:center; }
.slideshow[aria-hidden="false"]{ display:flex; }
.slideshow img{
  max-width: min(92vw, 1400px); max-height: 86vh; width:auto; height:auto; border-radius:12px; box-shadow: 0 18px 60px rgba(0,0,0,.6);
}
.slide-arrow{
  position:absolute; top:50%; transform: translateY(-50%); border:none; background:#ffffff1a; color:#fff;
  font-size:1.6rem; padding:.7rem 1rem; border-radius:10px; cursor:pointer;
}
.slide-arrow:hover{ background:#ffffff2a; }
.slide-arrow.left{ left:20px; }
.slide-arrow.right{ right:20px; }
.slide-close{
  position:absolute; top:18px; right:20px; border:none; background:#ffffff1a; color:#fff;
  font-size:2rem; line-height:1; padding:.2rem .6rem; border-radius:10px; cursor:pointer;
}
.slide-close:hover{ background:#ffffff2a; }

/* Certifications */
.certs-grid .cert{
  padding:18px; border-radius:16px; text-align:center; border:1px solid var(--border);
  background: linear-gradient(140deg, hsl(var(--hue) 80% 55% / .16), #0b1130aa);
  color:#fff; text-decoration:none;
}
.certs-grid .cert:hover{ filter: brightness(1.05); }

.thumbs-grid{ grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); }
.thumb img{
  width:100%; height:auto; border-radius:12px; border:1px solid var(--border);
  transition: transform .25s ease, box-shadow .25s ease;
  box-shadow: 0 6px 14px rgba(0,0,0,.25);
}
.thumb:hover img{ transform: translateY(-3px); box-shadow: 0 14px 36px rgba(0,0,0,.4); }
/* Add space below the View Credly button in Certifications */
#certifications .actions {
  margin-bottom: 20px; /* space between button and cert list */
}

#certifications .actions .btn {
  display: inline-block;
}

/* Modal (Contact) */
.popup-container{ display:none; position:fixed; inset:0; z-index:1000; background: rgba(0,0,0,.6); align-items:center; justify-content:center; }
.popup-container[aria-hidden="true"]{ display:none !important; }
.popup-content{
  background: var(--card); border:1px solid var(--border); border-radius:16px;
  padding:28px; min-width:min(520px, 92vw); max-width:680px;
  box-shadow: var(--shadow); color:var(--fg);
  backdrop-filter: blur(10px) saturate(140%); position:relative;
  text-align:left;
}
.popup-content h3{ margin:0 0 12px; }
.close-btn{
  position:absolute; right:18px; top:12px; background:transparent; color:#fff; border:1px solid #ffffff33; border-radius:8px; padding:6px 10px; cursor:pointer;
}

/* Social links in modal */
.social-links{ list-style:none; padding:0; margin:14px 0 0; display:grid; gap:14px; grid-template-columns: 1fr; }
@media (min-width: 740px){
  .social-links{ grid-template-columns: 1fr 1fr; }
}
.social-link{ color:#fff; text-decoration:none; padding:10px 12px; border-radius:10px; border:1px solid var(--border); background:#ffffff12; display:inline-flex; align-items:center; gap:8px; }
.social-link:hover{ background:#ffffff20; }



/* Extra safety: if any decorative dot/handle exists on popup, kill it */
.popup-container::after,
.popup-content::after { content:none !important; display:none !important; }



/* Footer */
footer{ padding:30px 0; margin-top:30px; border-top:1px solid var(--border); background:#060a18aa; }
.footer-inner{ display:flex; flex-direction:column; gap:10px; align-items:center; }
.footer-links{ display:flex; gap:16px; flex-wrap:wrap; justify-content:center; }
.footer-links a{ color:#a6b0ff; text-decoration:none; }
.footer-links a:hover{ color:#d4d8ff; }

/* Safety: hide GitHub link in footer if it sneaks back */
/*footer .footer-links a[href*="github.com"]{ display:none !important; }*/

/* Reveal animation */
.reveal{ opacity:0; transform: translateY(16px); }
.reveal.visible{ opacity:1; transform:none; transition: all .45s ease; }

/* Accessibility */
:focus-visible{ outline:2px solid var(--accent-2); outline-offset:3px; }
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
}

/* Deterrents for saving images */
.no-save{
  -webkit-user-drag: none;
  user-select: none;
  pointer-events: none; /* clicks go to the wrapper/button */
}

/* SKILLS */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}
.skill {
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--fg);
  font-weight: 500;
  font-size: 0.95rem;
  transition: background 0.25s ease, transform 0.25s ease;
}
.skill:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.skills-grid { display:flex; flex-wrap:wrap; gap:12px; margin-top:20px; }
.skill{
  padding:8px 14px; border-radius:8px; background:var(--card);
  border:1px solid var(--border); color:var(--fg); font-weight:500; font-size:.95rem;
  transition: background .25s ease, transform .25s ease;
}
.skill:hover{ background:var(--accent); color:#fff; transform:translateY(-2px); }