/* Modern, elegant, and responsive portfolio styles */
:root {
  --bg: #0b0f14;
  --panel: #0f1620;
  --card: #121a25;
  --text: #e6edf3;
  --muted: #9fb0c3;
  --brand: #4f46e5;
  --brand-2: #06b6d4;
  --accent: #22c55e;
  --danger: #ef4444;
  --sep: rgba(255,255,255,0.08);
  --ring: rgba(79,70,229,0.4);
  /* Brand glow (indigo) for primary CTA */
  --brand-glow-weak: rgba(79,70,229,0.18);
  --brand-glow-mid: rgba(79,70,229,0.28);
  --brand-glow-strong: rgba(79,70,229,0.40);
  /* Global hue control (change once to update all green glows) */
 /* --hue-rgb: 252, 28, 3; /* #fc2c03 */ 
   --hue-rgb: 53, 252, 3; /* #fc2c03 */
  --neon: rgb(var(--hue-rgb));
  --neon-weak: rgba(var(--hue-rgb), 0.16);
  --neon-mid: rgba(var(--hue-rgb), 0.25);
  --neon-strong: rgba(var(--hue-rgb), 0.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 1200px at 80% -20%, rgba(79,70,229,0.15), transparent 60%),
              radial-gradient(1000px 800px at -10% 30%, rgba(6,182,212,0.10), transparent 60%),
              var(--bg);
  line-height: 1.6;
}
.container { width: min(1100px, 92vw); margin: 0 auto; }
.section { padding: 72px 0; }
.section-title { font-size: 28px; margin: 0 0 20px; letter-spacing: 0.3px; }
.muted { color: var(--muted); }
.separator { height: 1px; background: linear-gradient(to right, transparent, var(--sep), transparent); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(140%) blur(8px); background: linear-gradient(90deg, rgba(var(--hue-rgb), 0.06), rgba(var(--hue-rgb), 0.02)) , rgba(11,15,20,0.6); border-bottom: 1px solid var(--neon-mid); box-shadow: 0 10px 30px var(--neon-weak); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; font-weight: 700; }
.brand-mark { display: inline-grid; place-items: center; width: 36px; height: 36px; aspect-ratio: 1 / 1; background: linear-gradient(135deg, var(--brand), var(--brand-2)); border-radius: 10px; box-shadow: 0 6px 18px rgba(79,70,229,0.35); overflow: hidden; }
.brand-mark img { width: 100%; height: 100%; object-fit: cover; display: block; }
.brand-text { font-weight: 800; letter-spacing: 0.2px; white-space: nowrap; }
.site-nav { display: flex; gap: 16px; }
.site-nav a { color: var(--muted); text-decoration: none; padding: 8px 10px; border-radius: 8px; transition: color .2s, background .2s; }
.site-nav a:hover, .site-nav a.active { color: var(--text); background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.10), rgba(var(--hue-rgb), 0.06)); box-shadow: 0 0 0 1px var(--neon-weak) inset, 0 0 18px var(--neon-weak); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--sep); background: transparent; border-radius: 10px; align-items: center; justify-content: center; gap: 4px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); }

/* Hero */
.hero { padding: 96px 0 64px; }
.hero-inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; align-items: center; }
.hero h1 { font-size: clamp(32px, 4vw, 48px); margin: 0 0 6px; }
.subtitle { color: var(--muted); font-weight: 600; margin: 0 0 10px; }
.lead { color: var(--text); opacity: 0.92; margin: 0 0 16px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 10px; text-decoration: none; color: var(--text); border: 1px solid var(--sep); background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)); }
.btn.primary { background: linear-gradient(135deg, rgba(var(--hue-rgb), 0.95), rgba(var(--hue-rgb), 0.75)); border-color: var(--neon-mid); box-shadow: 0 10px 24px var(--neon-mid); transition: box-shadow .25s ease, transform .25s ease; }
.btn.primary:hover, .btn.primary:focus-visible { box-shadow: 0 0 0 1px var(--neon-mid) inset, 0 14px 38px var(--neon-strong); transform: translateY(-1px); }
.btn.ghost { background: transparent; }
/* Neon effect for selected CTAs */
.btn.neon { border-color: var(--neon-weak); background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.03), rgba(var(--hue-rgb), 0.015)), rgba(255,255,255,0.01); box-shadow: 0 0 0 1px rgba(var(--hue-rgb), 0.10) inset, 0 4px 14px rgba(var(--hue-rgb), 0.10); transition: box-shadow .25s ease, background .25s ease, border-color .25s ease, transform .25s ease; }
.btn.neon:hover, .btn.neon:focus-visible { border-color: var(--neon-strong); background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.12), rgba(var(--hue-rgb), 0.08)); box-shadow: 0 0 0 1px var(--neon-mid) inset, 0 10px 28px var(--neon-strong); transform: translateY(-1px); }

/* Ensure hero Email and Download Resume CTAs have neon hue without HTML changes */
.hero .btn[href^="mailto:"],
.hero .btn[href$="Resume.txt"],
.hero .btn[download] {
  border-color: var(--neon-weak);
  background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.03), rgba(var(--hue-rgb), 0.015)), rgba(255,255,255,0.01);
  box-shadow: 0 0 0 1px rgba(var(--hue-rgb), 0.10) inset, 0 4px 14px rgba(var(--hue-rgb), 0.10);
  transition: box-shadow .25s ease, background .25s ease, border-color .25s ease, transform .25s ease;
}
.hero .btn[href^="mailto:"]:hover,
.hero .btn[href$="Resume.txt"]:hover,
.hero .btn[download]:hover,
.hero .btn[href^="mailto:"]:focus-visible,
.hero .btn[href$="Resume.txt"]:focus-visible,
.hero .btn[download]:focus-visible {
  border-color: var(--neon-strong);
  background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.12), rgba(var(--hue-rgb), 0.08));
  box-shadow: 0 0 0 1px var(--neon-mid) inset, 0 10px 28px var(--neon-strong);
  transform: translateY(-1px);
}

/* Hue-colored glow for primary CTAs in hero */
.hero .btn.primary {
  box-shadow: 0 10px 24px var(--neon-mid), 0 0 0 1px rgba(var(--hue-rgb), 0.15) inset;
}
.hero .btn.primary:hover,
.hero .btn.primary:focus-visible {
  box-shadow: 0 0 0 1px rgba(var(--hue-rgb), 0.25) inset, 0 14px 38px var(--neon-strong), 0 0 24px rgba(var(--hue-rgb), 0.22);
}

/* Services CTAs: make Book a Freelance Consultation match primary hue */
#services .btn[href^="mailto:"] {
  box-shadow: 0 10px 24px var(--neon-mid), 0 0 0 1px rgba(var(--hue-rgb), 0.15) inset;
}
#services .btn[href^="mailto:"]:hover,
#services .btn[href^="mailto:"]:focus-visible {
  box-shadow: 0 0 0 1px rgba(var(--hue-rgb), 0.25) inset, 0 14px 38px var(--neon-strong), 0 0 24px rgba(var(--hue-rgb), 0.22);
}

/* Keep neon style for any download button in Services if present */
#services .btn[download] {
  border-color: var(--neon-weak);
  background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.03), rgba(var(--hue-rgb), 0.015)), rgba(255,255,255,0.01);
  box-shadow: 0 0 0 1px rgba(var(--hue-rgb), 0.10) inset, 0 4px 14px rgba(var(--hue-rgb), 0.10);
  transition: box-shadow .25s ease, background .25s ease, border-color .25s ease, transform .25s ease;
}
#services .btn[download]:hover,
#services .btn[download]:focus-visible {
  border-color: var(--neon-strong);
  background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.12), rgba(var(--hue-rgb), 0.08));
  box-shadow: 0 0 0 1px var(--neon-mid) inset, 0 10px 28px var(--neon-strong);
  transform: translateY(-1px);
}

/* Brand glow for See Case Studies (links to #projects) */
#services .btn[href="#projects"] {
  border-color: var(--neon-weak);
  background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.03), rgba(var(--hue-rgb), 0.015)), rgba(255,255,255,0.01);
  box-shadow: 0 0 0 1px rgba(var(--hue-rgb), 0.10) inset, 0 4px 14px rgba(var(--hue-rgb), 0.10);
  transition: box-shadow .25s ease, background .25s ease, border-color .25s ease, transform .25s ease;
}
#services .btn[href="#projects"]:hover,
#services .btn[href="#projects"]:focus-visible {
  border-color: var(--neon-strong);
  background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.12), rgba(var(--hue-rgb), 0.08));
  box-shadow: 0 0 0 1px var(--neon-mid) inset, 0 10px 28px var(--neon-strong);
  transform: translateY(-1px);
}
.hero-badge-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.badge { background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.03), rgba(var(--hue-rgb), 0.015)), var(--card); border: 1px solid var(--neon-weak); padding: 14px 16px; border-radius: 12px; text-align: center; box-shadow: 0 0 0 1px rgba(var(--hue-rgb), 0.10) inset, 0 4px 14px rgba(var(--hue-rgb), 0.10); transition: box-shadow .25s ease, background .25s ease, border-color .25s ease, transform .25s ease; }
.badge:hover, .badge:focus-visible { background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.12), rgba(var(--hue-rgb), 0.08)), var(--card); border-color: var(--neon-strong); box-shadow: 0 0 0 1px var(--neon-mid) inset, 0 10px 28px var(--neon-strong); transform: translateY(-1px); }
.hero-aside { display: grid; justify-items: center; gap: 16px; }
.avatar { width: 220px; height: 220px; object-fit: cover; border-radius: 50%; border: 2px solid var(--sep); box-shadow: 0 12px 40px rgba(0,0,0,0.45), 0 0 0 6px rgba(255,255,255,0.02) inset; background: #0a0f15; }

/* Cards / Lists */
.card { background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.03), rgba(var(--hue-rgb), 0.015)), var(--card); border: 1px solid var(--neon-weak); border-radius: 14px; padding: 18px; box-shadow: 0 0 0 1px rgba(var(--hue-rgb), 0.10) inset, 0 4px 16px rgba(var(--hue-rgb), 0.10), 0 10px 30px rgba(0,0,0,0.25); transition: box-shadow .25s ease, background .25s ease, border-color .25s ease, transform .25s ease; }
.card:hover, .card:focus-visible { background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.12), rgba(var(--hue-rgb), 0.08)), var(--card); border-color: var(--neon-strong); box-shadow: 0 0 0 1px var(--neon-mid) inset, 0 10px 36px var(--neon-strong), 0 16px 40px rgba(0,0,0,0.35); transform: translateY(-2px); }
.card.freelance { margin-top: 16px; }
.bullet-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 12px; list-style: none; padding: 0; margin: 10px 0 0; }
.bullet-grid li { background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.025), rgba(var(--hue-rgb), 0.01)), var(--card); border: 1px solid var(--neon-weak); border-radius: 12px; padding: 12px 14px; box-shadow: 0 0 0 1px rgba(var(--hue-rgb), 0.08) inset, 0 4px 14px rgba(var(--hue-rgb), 0.08); transition: box-shadow .25s ease, background .25s ease, border-color .25s ease, transform .25s ease; }
.bullet-grid li:hover, .bullet-grid li:focus-visible { background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.10), rgba(var(--hue-rgb), 0.06)), var(--card); border-color: var(--neon-strong); box-shadow: 0 0 0 1px var(--neon-mid) inset, 0 10px 28px var(--neon-strong); transform: translateY(-1px); }

/* Certifications */
.featured-certs { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; margin-bottom: 8px; }
.cert-card { display: grid; grid-template-columns: 96px 1fr; gap: 14px; align-items: center; padding: 14px; background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.03), rgba(var(--hue-rgb), 0.015)); border: 1px solid var(--neon-weak); border-radius: 16px; box-shadow: 0 0 0 1px rgba(var(--hue-rgb), 0.10) inset, 0 4px 16px rgba(var(--hue-rgb), 0.10); transition: box-shadow .25s ease, background .25s ease, border-color .25s ease, transform .25s ease; }
.cert-card:hover, .cert-card:focus-visible { background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.12), rgba(var(--hue-rgb), 0.08)); border-color: var(--neon-strong); box-shadow: 0 0 0 1px var(--neon-mid) inset, 0 10px 28px var(--neon-strong); transform: translateY(-1px); }
.cert-card .logo-wrap { width: 96px; height: 96px; display: grid; place-items: center; background: rgba(255,255,255,0.02); border-radius: 14px; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04); overflow: hidden; }
.cert-card .logo-wrap img { width: 100%; height: 100%; object-fit: contain; display: block; }
.cert-card h3 { margin: 0 0 6px; font-size: 18px; }
.cert-card p { margin: 0; color: var(--muted); }

/* Logo cloud */
.logo-cloud { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 12px; }
.logo-chip { background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.02), rgba(var(--hue-rgb), 0.01)), var(--panel); border: 1px dashed var(--neon-weak); border-radius: 12px; padding: 14px; text-align: center; box-shadow: 0 0 0 1px rgba(var(--hue-rgb), 0.08) inset, 0 4px 14px rgba(var(--hue-rgb), 0.08); transition: box-shadow .25s ease, background .25s ease, border-color .25s ease, transform .25s ease; }
.logo-chip:hover, .logo-chip:focus-visible { background: linear-gradient(180deg, rgba(57,255,20,0.10), rgba(57,255,20,0.06)), var(--panel); border-color: var(--neon-strong); box-shadow: 0 0 0 1px var(--neon-mid) inset, 0 10px 26px var(--neon-strong); transform: translateY(-1px); }

/* Timeline */
.timeline { list-style: none; padding: 0; margin: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 10px; top: 0; bottom: 0; width: 2px; background: rgba(var(--hue-rgb), 0.22); }
.timeline-item { position: relative; padding-left: 36px; margin: 14px 0; }
.timeline-item::before { content: ""; position: absolute; left: 2px; top: 18px; width: 18px; height: 18px; background: radial-gradient(circle at 35% 35%, rgba(var(--hue-rgb), 0.95), rgba(var(--hue-rgb), 0.70)); border-radius: 50%; box-shadow: 0 0 0 4px rgba(var(--hue-rgb), 0.25), 0 6px 18px rgba(var(--hue-rgb), 0.25); }
.timeline .time { color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.company-header { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.company-logo { width: 56px; height: 56px; border-radius: 12px; padding: 8px; background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.03), rgba(var(--hue-rgb), 0.015)); border: 1px solid var(--neon-weak); box-shadow: 0 0 0 1px rgba(var(--hue-rgb), 0.10) inset, 0 4px 14px rgba(var(--hue-rgb), 0.10); object-fit: contain; }
.company-logo:hover, .company-logo:focus-visible { border-color: var(--neon-strong); box-shadow: 0 0 0 1px var(--neon-mid) inset, 0 10px 24px var(--neon-strong); }
.cols { columns: 2; column-gap: 18px; }
.cols li { break-inside: avoid; }

/* Projects */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 16px; }
.project-card { background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.03), rgba(var(--hue-rgb), 0.015)), var(--card); border: 1px solid var(--neon-weak); border-radius: 14px; overflow: hidden; display: grid; grid-template-rows: auto 1fr; box-shadow: 0 0 0 1px rgba(var(--hue-rgb), 0.10) inset, 0 6px 20px rgba(var(--hue-rgb), 0.10); transition: box-shadow .25s ease, background .25s ease, border-color .25s ease, transform .25s ease; }
.project-card:hover, .project-card:focus-visible { background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.12), rgba(var(--hue-rgb), 0.08)), var(--card); border-color: var(--neon-strong); box-shadow: 0 0 0 1px var(--neon-mid) inset, 0 12px 34px var(--neon-strong); transform: translateY(-2px); }
.project-card img { width: 100%; height: 160px; object-fit: cover; display: block; }
.project-body { padding: 14px; }
.project-body h3 { margin: 0 0 6px; font-size: 18px; }
.project-body p { margin: 0 0 10px; color: var(--muted); }
.project-links { display: flex; gap: 12px; }
.project-links a { color: var(--text); text-decoration: none; font-weight: 600; }
.project-links a::after { content: "↗"; margin-left: 6px; font-weight: 800; }

/* Chips */
.chips { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { padding: 8px 12px; background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.02), rgba(var(--hue-rgb), 0.01)), var(--panel); border: 1px solid var(--neon-weak); border-radius: 999px; box-shadow: 0 0 0 1px rgba(var(--hue-rgb), 0.08) inset, 0 3px 12px rgba(var(--hue-rgb), 0.08); transition: box-shadow .25s ease, background .25s ease, border-color .25s ease, transform .25s ease; }
.chips li:hover, .chips li:focus-visible { background: linear-gradient(180deg, rgba(var(--hue-rgb), 0.10), rgba(var(--hue-rgb), 0.06)), var(--panel); border-color: var(--neon-strong); box-shadow: 0 0 0 1px var(--neon-mid) inset, 0 8px 22px var(--neon-strong); transform: translateY(-1px); }

/* Contact list */
.contact-list { list-style: none; padding: 0; margin: 12px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 10px; }
.contact-list a { color: var(--text); }

/* Footer */
.site-footer { border-top: 1px solid var(--sep); background: rgba(0,0,0,0.2); padding: 18px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.footer-links { display: flex; gap: 12px; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--text); }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .avatar { width: 180px; height: 180px; }
}
@media (max-width: 760px) {
  .site-nav { position: absolute; right: 16px; top: 64px; background: rgba(15,22,32,0.95); border: 1px solid var(--sep); border-radius: 12px; padding: 8px; display: none; flex-direction: column; min-width: 220px; backdrop-filter: blur(6px); }
  .site-nav.open { display: flex; }
  .nav-toggle { display: inline-flex; }
  .cols { columns: 1; }
  .featured-certs { grid-template-columns: 1fr; }
}