:root{
  --bg: #0b0f17;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.04);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --line: rgba(255,255,255,.12);
  --accent: #7dd3fc;
  --accent2: #a7f3d0;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 18px;
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial;
  color: var(--text);
  background:
    radial-gradient(1000px 600px at 12% 0%, rgba(125,211,252,.18), transparent 55%),
    radial-gradient(900px 540px at 85% 12%, rgba(167,243,208,.14), transparent 58%),
    radial-gradient(900px 700px at 50% 110%, rgba(99,102,241,.10), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.04), transparent 22%),
    var(--bg);
  line-height: 1.5;
}

a{ color: var(--accent); text-decoration: none; }
a:hover{ text-decoration: underline; }

.container{
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;height:1px;
  overflow:hidden;
}
.skip-link:focus{
  left: 16px; top: 16px;
  width:auto; height:auto;
  padding: 10px 12px;
  background: rgba(0,0,0,.7);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.header{
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(11,15,23,.65);
  border-bottom: 1px solid var(--line);
  z-index: 20;
}

.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 18px;
  padding: 14px 0;
}

.brand{ display:flex; align-items:center; gap: 12px; min-width: 240px; }
.brand__mark{
  width: 95px; 
  height: 95px;
  border-radius: 0;
  display:flex; 
  align-items:center; 
  justify-content:center;
  background: transparent;
  border: none;
  box-shadow: none;
}
.brand__name{ font-weight: 700; letter-spacing: .2px; }
.brand__tag{ font-size: 13px; color: var(--muted); }

.nav{ display:flex; align-items:center; gap: 14px; }
.nav a{ color: var(--text); opacity: .9; font-weight: 600; font-size: 14px; }
.nav a:hover{ opacity: 1; }
.nav a.is-active{ text-decoration: underline; text-underline-offset: 6px; }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(125,211,252,.22), rgba(167,243,208,.10));
  color: var(--text);
  box-shadow: var(--shadow);
  text-decoration:none;
  font-weight: 700;
}
.btn:hover{ text-decoration:none; transform: translateY(-1px); }
.btn--ghost{
  background: transparent;
  box-shadow: none;
}
.btn--small{ padding: 10px 12px; border-radius: 12px; }

.hero{
  padding: 54px 0 20px;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items: start;
}
.kicker{
  margin: 0 0 10px;
  color: var(--muted);
  letter-spacing: .18em;
  text-transform: uppercase;
  font-size: 12px;
}
h1{
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.12;
}
.accent{
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
}

.hero__cta{ display:flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }

.proofbar{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 6px;
}
.proof{
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel2);
  min-width: 160px;
}
.proof__num{ font-weight: 800; }
.proof__label{ color: var(--muted); font-size: 13px; }

.hero__card{
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.hero__card h2{ margin:0 0 10px; font-size: 16px; }
.bullets{ margin: 0; padding-left: 18px; color: var(--muted); }
.bullets li{ margin: 8px 0; }

.cardline{ margin-top: 14px; display:flex; flex-wrap: wrap; gap: 8px; }
.tag{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.85);
}

.section{
  padding: 44px 0;
}
.section--alt{
  background: rgba(255,255,255,.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section__head{
  margin-bottom: 18px;
}
.section__head h2{
  margin: 0 0 6px;
  font-size: 24px;
}
.section__head p{
  margin:0;
  color: var(--muted);
}

.grid{
  display:grid;
  gap: 14px;
}
.grid--3{ grid-template-columns: repeat(3, 1fr); }
.grid--2{ grid-template-columns: repeat(2, 1fr); }

.card{
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.card h3{ margin: 0 0 8px; font-size: 16px; }
.card p{ margin: 0 0 10px; color: var(--muted); }

.mini{ margin: 0; padding-left: 18px; color: var(--muted); font-size: 14px; }
.mini li{ margin: 6px 0; }

.certs{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.cert{
  display:flex;
  gap: 12px;
  align-items:flex-start;
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.cert__badge{
  width: 40px; height: 40px;
  display:grid; place-items:center;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
}
.cert__title{ font-weight: 800; }
.cert__meta{ color: var(--muted); font-size: 13px; margin-top: 2px; }

.note{ margin-top: 12px; color: var(--muted); }

.callout{
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(125,211,252,.25);
  background: rgba(125,211,252,.08);
  color: rgba(255,255,255,.88);
}

.timeline{
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel2);
  padding: 16px;
}
.timeline__item{
  display:flex;
  gap: 12px;
  padding: 12px 8px;
}
.timeline__item + .timeline__item{
  border-top: 1px solid var(--line);
}
.timeline__dot{
  width: 12px; height: 12px;
  margin-top: 5px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}
.timeline__title{ font-weight: 800; }
.timeline__text{ color: var(--muted); }

.contact{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.footer{
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}
.footer__sep{ opacity: .4; }

@media (max-width: 920px){
  .hero__grid{ grid-template-columns: 1fr; }
  .grid--3{ grid-template-columns: 1fr; }
  .grid--2{ grid-template-columns: 1fr; }
  .certs{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
  .nav{ display:none; }
}


/* --- UI polish --- */
.card, .cert, .hero__card{
  transition: transform .18s ease, border-color .18s ease, background-color .18s ease;
}
.card:hover, .cert:hover, .hero__card:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,.18);
}

.btn{
  transition: transform .16s ease, border-color .16s ease, background-color .16s ease;
}

h2{ letter-spacing: .2px; }

/* Certifications with logos */
.certs--logos{
  grid-template-columns: repeat(2, 1fr);
}

.cert--logo{
  align-items: center;
}

.cert__img{
  width: 92px;
  height: 92px;
  object-fit: contain;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}

.cert__body{
  display:flex;
  flex-direction: column;
  gap: 4px;
}

@media (max-width: 920px){
  .certs--logos{ grid-template-columns: 1fr; }
  .cert__img{ width: 88px; height: 88px; }
}

/* Professional background */
body {
  background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
  color: #e5e7eb;
}

section, .card, .container {
  background-color: #1f2933;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}