:root{
  --bg:#050d15;
  --surface:#08131e;
  --surface-2:#0b1824;
  --surface-alt:#07121c;
  --text:#f7f9fb;
  --muted:#b2beca;
  --line:#1b3040;
  --primary:#4dc4f4;
  --primary-2:#70cff5;
  --primary-dark:#279fd2;
  --shadow:0 18px 50px rgba(0,0,0,.30);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
a{color:inherit}ul{padding-left:1.2rem}
.skip-link{position:absolute;left:-9999px;top:0;z-index:100;padding:.75rem 1rem;background:var(--text);color:var(--bg)}
.skip-link:focus{left:1rem;top:1rem}

/* HEADER — sized and spaced to match the supplied reference */
.site-header{
  position:sticky;top:0;z-index:40;
  height:70px;
  display:grid;grid-template-columns:315px 1fr 190px;align-items:center;
  padding:0 46px;
  background:rgba(3,10,17,.97);
  border-bottom:1px solid #142635;
  backdrop-filter:blur(12px);
}
.brand-lockup{display:flex;align-items:center;gap:10px;text-decoration:none;white-space:nowrap}
.brand-mark{font-size:28px;line-height:1;font-weight:800;letter-spacing:-.12em;color:#fff}
.brand-mark span{color:var(--primary)}
.brand-name{font-size:15px;font-weight:700;letter-spacing:-.02em;color:#f5f7f9}
.brand-name b{color:var(--primary);font-weight:800}
nav{justify-self:center}
.nav-links{display:flex;align-items:center;gap:28px;margin:0;padding:0;list-style:none}
.nav-links a{position:relative;text-decoration:none;text-transform:uppercase;font-size:11px;font-weight:700;color:#f0f4f7;letter-spacing:.01em;padding:27px 0 22px}
.nav-links a:hover,.nav-links a.active{color:var(--primary)}
.nav-links a.active:after{content:"";position:absolute;left:0;right:0;bottom:13px;height:2px;background:var(--primary)}
.header-resume{
  justify-self:end;display:inline-flex;align-items:center;justify-content:center;
  min-width:165px;height:42px;padding:0 15px;border:1px solid var(--primary);
  border-radius:4px;text-decoration:none;text-transform:uppercase;
  color:var(--primary);font-size:11px;font-weight:800;letter-spacing:.02em;
}
.header-resume:hover{background:rgba(77,196,244,.08)}
.menu-toggle{display:none}

/* HERO */
.hero{
  position:relative;
  min-height:410px;
  display:grid;
  grid-template-columns:34% 66%;
  overflow:hidden;
  border-bottom:1px solid #142635;
  background:
    linear-gradient(90deg,#07111b 0%,#07111b 31%,rgba(7,17,27,.88) 48%,rgba(4,12,20,.76) 100%),
    url("city-bg.jpg") right center / 54% 100% no-repeat,
    #07111b;
}
.hero:after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 76% 42%,rgba(33,104,143,.10),transparent 30%);
  pointer-events:none;
}
.hero-photo-panel{position:relative;min-height:410px;overflow:hidden;z-index:1}
.hero-photo-panel:before{
  content:"";position:absolute;inset:0;z-index:2;
  background:
    linear-gradient(90deg,rgba(5,13,21,.10) 0%,rgba(5,13,21,0) 58%,rgba(5,13,21,.95) 100%),
    linear-gradient(180deg,rgba(5,13,21,.02) 0%,rgba(5,13,21,.02) 72%,rgba(5,13,21,.42) 100%);
}
.hero-photo{
  position:absolute;
  width:108%;height:108%;
  left:-3%;bottom:-8%;
  object-fit:cover;
  object-position:center 18%;
  filter:saturate(.94) contrast(1.05) brightness(.91);
}
.hero-photo-fade{
  position:absolute;inset:0;z-index:3;pointer-events:none;
  box-shadow:inset -42px 0 55px -20px #07111b;
}
.hero-copy{
  position:relative;z-index:3;
  display:flex;flex-direction:column;justify-content:center;align-items:flex-start;
  padding:38px 58px 30px 58px;
}
.eyebrow{
  margin:0 0 7px;
  color:var(--primary);
  font-weight:800;
  letter-spacing:.03em;
  text-transform:uppercase;
  font-size:12px;
}
h1{
  margin:0;
  font-size:clamp(46px,5.1vw,68px);
  line-height:.99;
  letter-spacing:-.055em;
  max-width:760px;
  white-space:nowrap;
}
.role-title{
  margin:10px 0 0;
  color:var(--primary);
  text-transform:uppercase;
  font-size:17px;
  line-height:1.2;
  letter-spacing:.015em;
  font-weight:700;
}
.title-rule{display:block;width:28px;height:2px;background:var(--primary);margin:14px 0 12px}
.hero-subtitle{
  max-width:680px;
  margin:0 0 18px;
  color:#d2d9df;
  font-size:14px;
  line-height:1.62;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  min-height:42px;padding:0 18px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:4px;text-decoration:none;font-weight:800;font-size:12px;
  text-transform:uppercase;border:1px solid transparent;transition:.18s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,#58c8f4,#4aafe3);color:white}
.btn-secondary{background:rgba(8,20,31,.70);border-color:#5d9aba;color:#fff}
.hero-contact{
  display:flex;flex-wrap:wrap;gap:22px;
  margin-top:20px;color:#e3e9ee;font-size:12px;
}
.hero-contact a{text-decoration:none}
.hero-contact span,.hero-contact a{white-space:nowrap}
.hero-contact span::first-letter,.hero-contact a::first-letter{color:var(--primary)}

/* FULL-WIDTH METRIC STRIP */
.impact-strip{
  min-height:108px;
  display:grid;grid-template-columns:repeat(4,1fr);
  align-items:stretch;
  padding:0 58px;
  background:linear-gradient(180deg,#06101a,#050d15);
  border-bottom:1px solid #183044;
}
.impact-item{
  position:relative;
  display:flex;align-items:center;justify-content:center;gap:22px;
  min-width:0;padding:18px 28px;
}
.impact-item:not(:last-child):after{
  content:"";position:absolute;right:0;top:23px;bottom:23px;width:1px;background:#1d3445;
}
.impact-icon{
  width:44px;height:44px;display:grid;place-items:center;flex:0 0 auto;
  color:var(--primary);font-size:31px;line-height:1;font-weight:400;
}
.impact-item strong{
  display:block;color:var(--primary);font-size:31px;line-height:1;font-weight:700;letter-spacing:-.04em
}
.impact-item span:last-child{
  display:block;margin-top:8px;color:#e4e9ed;text-transform:uppercase;
  font-size:10px;line-height:1.55;font-weight:600;max-width:190px;
}

/* Original V3 content below hero — styling only */
.section{padding:5.4rem max(7vw,1.5rem)}
.section-alt{background:#091520}
.section-heading{margin-bottom:2.5rem}
.section-heading h2{margin:0;font-size:clamp(2rem,4vw,3rem);line-height:1.1;letter-spacing:-.035em}
h2{margin:0}
h3{margin-top:0}
.two-column{display:grid;grid-template-columns:1.2fr .8fr;gap:3rem}
.two-column p{font-size:1.08rem;color:var(--muted)}
.focus-card,.timeline-card,.project-card,.education-card{background:linear-gradient(180deg,#0c1a27,#091520);border:1px solid var(--line);box-shadow:var(--shadow)}
.focus-card{padding:1.6rem;border-radius:8px}.focus-card h3{color:var(--primary)}
.timeline{position:relative;max-width:1050px}.timeline:before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:var(--line)}
.timeline-item{position:relative;padding-left:2.6rem;margin-bottom:1.7rem}
.timeline-marker{position:absolute;left:0;top:1.4rem;width:20px;height:20px;border:5px solid #091520;border-radius:50%;background:var(--primary)}
.timeline-card{padding:1.6rem;border-radius:8px}.timeline-card li{margin-bottom:.45rem;color:var(--muted)}
.role-line{display:flex;justify-content:space-between;gap:1rem;margin-bottom:1rem}.role-line p{margin:.2rem 0 0;color:var(--muted)}
.role-line span{color:var(--primary);font-weight:700;white-space:nowrap}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.3rem}
.project-card{padding:1.7rem;border-radius:8px;transition:.2s}.project-card:hover{transform:translateY(-3px);border-color:#35627e}
.project-card p,.project-card li{color:var(--muted)}
.project-tag{display:inline-block;margin-bottom:1rem;padding:.35rem .65rem;border-radius:999px;color:var(--primary);background:#0e2534;border:1px solid #224a63;font-weight:700;font-size:.78rem}
.skill-groups{display:grid;gap:1.3rem}.skill-group{padding:1.5rem;border-left:3px solid var(--primary);background:#0b1723;border-radius:0 8px 8px 0}
.chips{display:flex;flex-wrap:wrap;gap:.65rem}.chips span{padding:.55rem .8rem;border:1px solid var(--line);background:#091520;border-radius:999px;font-size:.9rem}
.education-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}.education-card{padding:1.5rem;border-radius:8px}.education-card p{color:var(--muted)}
.contact-section{display:flex;justify-content:space-between;align-items:center;gap:2rem;background:linear-gradient(135deg,#0a1723,#09141f)}
.contact-section p{max-width:680px;color:var(--muted)}
.contact-actions{display:flex;gap:1rem;flex-wrap:wrap}
footer{padding:1.5rem;text-align:center;color:var(--muted);border-top:1px solid var(--line);background:#06101a}

/* responsive */
@media(max-width:1120px){
  .site-header{grid-template-columns:260px 1fr 170px;padding:0 28px}
  .nav-links{gap:18px}.nav-links a{font-size:10px}
  .hero{grid-template-columns:38% 62%}
  .hero-copy{padding-left:38px;padding-right:32px}
  h1{white-space:normal}
  .impact-strip{padding:0 20px}.impact-item{padding:18px 16px;gap:14px}
}
@media(max-width:900px){
  .site-header{grid-template-columns:1fr auto;height:64px;padding:0 20px}
  .header-resume{display:none}
  nav{justify-self:end}
  .menu-toggle{display:inline-flex;border:1px solid var(--line);background:#0b1723;color:white;padding:.5rem .8rem;border-radius:5px}
  .nav-links{display:none;position:absolute;top:64px;right:14px;width:280px;flex-direction:column;gap:0;padding:.7rem;background:#07131f;border:1px solid var(--line);box-shadow:var(--shadow)}
  .nav-links.open{display:flex}.nav-links a{display:block;padding:12px 10px;font-size:11px}
  .nav-links a.active:after{display:none}
  .hero{grid-template-columns:1fr;min-height:0;background:#07111b}
  .hero-photo-panel{min-height:440px}
  .hero-photo{width:100%;height:100%;left:0;bottom:0;object-position:center 18%}
  .hero-copy{padding:40px 30px 38px}
  .impact-strip{grid-template-columns:repeat(2,1fr)}
  .impact-item:nth-child(2):after{display:none}
  .two-column{grid-template-columns:1fr}.cards,.education-grid{grid-template-columns:1fr}
  .contact-section{align-items:flex-start;flex-direction:column}
}
@media(max-width:580px){
  .brand-name{font-size:13px}
  h1{font-size:44px}
  .role-title{font-size:14px}
  .hero-contact{gap:12px;flex-direction:column}
  .hero-actions .btn,.contact-actions .btn{width:100%}
  .impact-strip{grid-template-columns:1fr;padding:0 18px}
  .impact-item{justify-content:flex-start}
  .impact-item:not(:last-child):after{top:auto;right:0;left:0;bottom:0;width:auto;height:1px}
  .section{padding:4.2rem 1.3rem}
  .role-line{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}
}

/* Case studies */
.case-link{display:inline-flex;margin-top:1rem;color:var(--primary);font-weight:700;text-decoration:none}.case-link:hover{text-decoration:underline}
.case-hero{padding:5rem max(7vw,1.5rem) 3rem;background:radial-gradient(circle at 80% 20%,#0d2638 0,transparent 35%),#06111b;border-bottom:1px solid var(--line)}
.case-back{color:var(--primary);text-decoration:none;font-size:.85rem;font-weight:700}.case-hero h1{margin:1.2rem 0 .5rem;font-size:clamp(2.7rem,6vw,5.3rem);line-height:.95;max-width:1050px;white-space:normal}.case-lead{max-width:950px;color:#d7e2ea;font-size:1.08rem;line-height:1.75}.case-tags{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.5rem}.case-tags span{border:1px solid #28617f;color:var(--primary);padding:.45rem .7rem;border-radius:5px;background:#081927;font-size:.82rem;font-weight:700}
.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem}.case-panel{padding:1.6rem;border:1px solid var(--line);border-radius:8px;background:linear-gradient(180deg,#0c1a27,#091520)}.case-panel h3,.case-section h2{color:#fff}.case-panel p,.case-panel li,.case-section p,.case-section li{color:var(--muted);line-height:1.65}.case-section{padding:4.5rem max(7vw,1.5rem)}.case-section.alt{background:#091520}.case-section h2{font-size:clamp(1.8rem,3vw,2.6rem);margin-bottom:1.4rem}.case-section .eyebrow{color:var(--primary)}
.flow{display:flex;align-items:stretch;gap:.65rem;flex-wrap:wrap}.flow-step{flex:1 1 130px;min-height:105px;padding:1rem;border:1px solid #24516b;background:#081927;border-radius:8px;text-align:center;display:flex;align-items:center;justify-content:center;font-weight:700}.flow-arrow{align-self:center;color:var(--primary);font-size:1.4rem}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.8rem}.metric-box{padding:1rem;border:1px solid var(--line);border-radius:8px;background:#081927}.metric-box strong{display:block;color:var(--primary);margin-bottom:.35rem}.dashboard-shot{width:100%;display:block;border:1px solid #28506a;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.35)}.note{color:#829bad!important;font-size:.85rem}.impact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.impact-card{padding:1.3rem;border-top:2px solid var(--primary);background:#081927}.impact-card strong{display:block;color:#fff;margin-bottom:.55rem}.qa-table{width:100%;border-collapse:collapse}.qa-table th,.qa-table td{padding:.75rem;border-bottom:1px solid var(--line);text-align:left}.qa-table th{color:var(--primary);background:#081927}.qa-table td{color:var(--muted)}
@media(max-width:900px){.case-grid,.metric-grid,.impact-grid{grid-template-columns:1fr 1fr}.case-hero{padding-top:3rem}}@media(max-width:580px){.case-grid,.metric-grid,.impact-grid{grid-template-columns:1fr}.flow-arrow{display:none}}