:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-soft: #f2f6fb;
  --text: #0b1b31;
  --text-2: #334861;
  --muted: #687b91;
  --line: #dce5ef;
  --line-soft: #e9eff5;
  --blue: #2458d9;
  --blue-dark: #173f9f;
  --teal: #0b9a86;
  --navy: #0b192b;
  --shadow-lg: 0 32px 80px rgba(30, 54, 82, .13);
  --shadow-md: 0 18px 45px rgba(30, 54, 82, .09);
  --shadow-sm: 0 10px 28px rgba(30, 54, 82, .065);
  --max: 1320px;
  --display: "Manrope", "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --body: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% -8%, rgba(36, 88, 217, .095), transparent 29%),
    radial-gradient(circle at 86% 10%, rgba(11, 154, 134, .055), transparent 24%),
    var(--bg);
  font-family: var(--body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { color: #fff; background: var(--blue); }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button, input, textarea { font: inherit; }

.site-shell { overflow: clip; }

/* Navigation */
.site-header {
  width: min(var(--max), calc(100% - 44px));
  min-height: 76px;
  margin: 20px auto 0;
  padding: 12px 14px 12px 18px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  position: sticky;
  top: 16px;
  z-index: 80;
  background: rgba(255, 255, 255, .82);
  border: 1px solid rgba(216, 226, 236, .88);
  border-radius: 23px;
  box-shadow: 0 10px 34px rgba(31, 54, 82, .075);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  transition: min-height .3s ease, box-shadow .3s ease, background .3s ease, transform .3s ease;
}
.site-header.scrolled {
  min-height: 68px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 16px 44px rgba(31, 54, 82, .11);
}
.scroll-progress {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  border-radius: 99px;
}
.scroll-progress::after {
  content: "";
  display: block;
  width: calc(var(--scroll-progress, 0) * 100%);
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--teal));
  transition: width .08s linear;
}
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; }
.brand-mark {
  width: 43px; height: 43px; display: grid; place-items: center;
  border-radius: 13px; color: #fff; font: 800 13px/1 var(--display); letter-spacing: -.04em;
  background: linear-gradient(140deg, #2a65e9, #0c9687);
  box-shadow: 0 10px 22px rgba(36, 88, 217, .22);
}
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font: 700 13.5px/1.25 var(--display); letter-spacing: -.02em; }
.brand-copy small { margin-top: 5px; color: var(--muted); font-size: 10.5px; }
.primary-nav { display: flex; justify-content: center; gap: 7px; }
.primary-nav a {
  position: relative;
  padding: 9px 10px;
  color: #455870;
  border-radius: 10px;
  font: 600 12px/1 var(--body);
  transition: color .22s ease, background .22s ease;
}
.primary-nav a::after {
  content: "";
  position: absolute;
  left: 12px; right: 12px; bottom: 4px;
  height: 1.5px;
  transform: scaleX(0);
  transform-origin: center;
  background: var(--blue);
  transition: transform .22s ease;
}
.primary-nav a:hover, .primary-nav a.active { color: var(--blue); background: rgba(36, 88, 217, .055); }
.primary-nav a.active::after { transform: scaleX(1); }
.header-cta, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  border-radius: 14px; font-weight: 700; transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
}
.header-cta {
  padding: 12px 17px; color: #fff; background: var(--navy); font-size: 11.5px;
  box-shadow: 0 9px 20px rgba(11, 25, 43, .13);
}
.header-cta:hover { transform: translateY(-2px); background: #12335d; box-shadow: 0 12px 24px rgba(11, 25, 43, .18); }
.nav-toggle { display: none; border: 0; background: transparent; padding: 8px; cursor: pointer; }
.nav-toggle span { display:block; width:23px; height:2px; margin:5px 0; border-radius:3px; background:var(--text); transition: transform .25s ease, opacity .2s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Global section rhythm */
.section-pad { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; padding: 124px 0; }
.section-soft {
  width: 100%; max-width: none;
  padding-left: max(24px, calc((100% - var(--max))/2));
  padding-right: max(24px, calc((100% - var(--max))/2));
  background:
    linear-gradient(rgba(36,88,217,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36,88,217,.025) 1px, transparent 1px),
    linear-gradient(180deg, #f3f7fb 0%, #eef4f9 100%);
  background-size: 42px 42px, 42px 42px, auto;
  border-top: 1px solid #e3ebf3;
  border-bottom: 1px solid #e3ebf3;
}
.eyebrow {
  margin: 0 0 22px;
  color: var(--blue);
  font: 800 11px/1.25 var(--display);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.status-dot {
  width: 7px; height: 7px; border-radius: 50%; display:inline-block; margin-right:9px;
  background:#16a37b; box-shadow:0 0 0 5px rgba(22,163,123,.1);
}
.section-heading { max-width: 800px; }
.section-heading h2 {
  margin: 0;
  max-width: 770px;
  font: 700 clamp(36px, 4vw, 54px)/1.11 var(--display);
  letter-spacing: -.045em;
}
.section-heading > p:not(.eyebrow) {
  max-width: 670px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.8;
}

/* Hero */
.hero {
  position: relative;
  min-height: 790px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr);
  align-items: center;
  gap: clamp(70px, 7vw, 116px);
  padding-top: 92px;
  padding-bottom: 104px;
}
.hero::before {
  content: "";
  position: absolute;
  width: 430px; height: 430px;
  left: -250px; top: 80px;
  border-radius: 50%;
  border: 1px solid rgba(36, 88, 217, .08);
  box-shadow: 0 0 0 72px rgba(36, 88, 217, .018), 0 0 0 146px rgba(36, 88, 217, .012);
  pointer-events: none;
}
.hero-copy { position: relative; z-index: 2; max-width: 720px; }
.hero h1 {
  margin: 0;
  max-width: 730px;
  font: 700 clamp(54px, 5.3vw, 74px)/1.02 var(--display);
  letter-spacing: -.058em;
  text-wrap: balance;
}
.hero h1 span {
  display: block;
  color: var(--blue);
  background: linear-gradient(105deg, #2458d9 0%, #3473f0 58%, #0c8e88 130%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-lead {
  max-width: 630px;
  margin: 30px 0 0;
  color: #52667d;
  font-size: 17px;
  line-height: 1.82;
  letter-spacing: -.008em;
}
.hero-actions { display:flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.btn { min-height: 52px; padding: 0 20px; font-size: 13px; border: 1px solid transparent; }
.btn svg { width: 17px; fill:none; stroke:currentColor; stroke-width:1.8; transition: transform .22s ease; }
.btn-primary { color:#fff; background: linear-gradient(135deg, #2458d9, #336fea); box-shadow: 0 14px 28px rgba(36,88,217,.2); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 20px 38px rgba(36,88,217,.25); }
.btn-primary:hover svg { transform: translateX(3px); }
.btn-secondary { background:rgba(255,255,255,.86); border-color:var(--line); color:var(--text); box-shadow: 0 8px 18px rgba(30,54,82,.035); }
.btn-secondary:hover { border-color:#c8d5e2; transform:translateY(-3px); box-shadow: var(--shadow-sm); }
.hero-proof {
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap: 20px;
  margin-top: 56px;
}
.proof-item { padding-top: 18px; border-top: 1px solid var(--line); }
.proof-item strong { display:block; font: 700 12.5px/1.35 var(--display); letter-spacing: -.015em; }
.proof-item span { display:block; margin-top:7px; color:var(--muted); font-size:11px; line-height: 1.45; }

.hero-visual { position:relative; min-height: 620px; display:grid; place-items:center; perspective: 1200px; }
.portrait-frame {
  width: min(100%, 490px);
  aspect-ratio: .83;
  position:relative;
  overflow:hidden;
  border-radius: 38px 38px 160px 38px;
  background: linear-gradient(160deg, #edf2f7, #d9e3ed);
  border: 1px solid rgba(209, 220, 232, .94);
  box-shadow: var(--shadow-lg);
  transform: translateZ(0);
  transition: transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s ease;
}
.portrait-frame::before {
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(255,255,255,.04) 0%, transparent 55%, rgba(11,29,50,.09) 100%);
  z-index:2; pointer-events:none;
}
.portrait-frame::after {
  content:""; position:absolute; inset: 0;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.22);
  border-radius: inherit; z-index: 3; pointer-events:none;
}
.portrait-frame img { width:100%; height:100%; object-fit:cover; object-position:center 18%; position:relative; z-index:1; }
.portrait-orbit { position:absolute; border:1px solid rgba(36,87,214,.16); border-radius:50%; z-index:0; animation: orbit-breathe 7s ease-in-out infinite; }
.orbit-one { width:350px; height:350px; right:-125px; top:40px; }
.orbit-two { width:260px; height:260px; left:-105px; bottom:45px; border-color:rgba(10,141,131,.18); animation-delay: -3s; }
.floating-card {
  position:absolute; z-index:4; display:flex; align-items:center; gap:12px; padding:13px 16px;
  background:rgba(255,255,255,.91); border:1px solid rgba(220,229,239,.9); border-radius:17px;
  box-shadow:0 16px 34px rgba(31,54,82,.12); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
}
.fc-top { top: 84px; left: -38px; animation: float-card 5.2s ease-in-out infinite; }
.fc-bottom { bottom: 100px; right: -28px; animation: float-card 5.8s ease-in-out -2s infinite; }
.icon-box { display:grid; place-items:center; width:38px; height:38px; border-radius:11px; background:#eef3ff; color:var(--blue); font:800 10px/1 var(--display); }
.floating-card strong, .floating-card small { display:block; line-height:1.25; }
.floating-card strong { font:700 11.5px/1.25 var(--display); }
.floating-card small { margin-top:4px; color:var(--muted); font-size:9.5px; }

/* Tech strip */
.trust-strip {
  width:min(var(--max),calc(100% - 48px));
  margin:0 auto;
  padding:18px 26px;
  display:flex; justify-content:space-between; align-items:center; gap:26px; overflow:auto;
  background:rgba(255,255,255,.88); border:1px solid var(--line); border-radius:18px;
  box-shadow:var(--shadow-sm); scrollbar-width:none; backdrop-filter: blur(10px);
}
.trust-strip::-webkit-scrollbar { display:none; }
.trust-strip span {
  min-width:max-content; position:relative; color:#5b6f86;
  font: 600 11.5px/1 var(--display); letter-spacing:-.01em;
  transition: color .2s ease, transform .2s ease;
}
.trust-strip span:hover { color:var(--blue); transform:translateY(-2px); }
.trust-strip span:not(:last-child)::after { content:""; position:absolute; right:-15px; top:50%; width:3px; height:3px; border-radius:50%; background:#c9d4df; }

/* About */
.about-grid { display:grid; grid-template-columns: 1fr .82fr; gap:clamp(70px,8vw,118px); align-items:start; margin-top:58px; }
.about-copy { max-width: 690px; }
.about-copy p { margin:0 0 24px; color:#4a6077; font-size:17px; line-height:1.88; }
.about-card { background:rgba(255,255,255,.92); border:1px solid var(--line); border-radius:28px; padding:34px; box-shadow:var(--shadow-sm); }
.card-kicker { margin:0 0 20px; color:var(--blue); text-transform:uppercase; letter-spacing:.14em; font:800 10.5px/1.3 var(--display); }
.clean-list { list-style:none; padding:0; margin:0; }
.clean-list li { display:flex; align-items:center; gap:18px; padding:18px 0; border-top:1px solid #edf1f5; font:600 13.5px/1.5 var(--display); }
.clean-list li:first-child { border-top:0; }
.clean-list span { color:#9aa8b7; font:700 10px/1 var(--display); }

/* Expertise */
.expertise-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:56px; }
.skill-card {
  position: relative; overflow:hidden;
  background:rgba(255,255,255,.94); padding:32px; border:1px solid #dfe7ef; border-radius:24px;
  box-shadow:0 8px 24px rgba(32,55,80,.045);
  transition:transform .32s cubic-bezier(.2,.7,.2,1), box-shadow .32s ease, border-color .32s ease;
}
.skill-card::after {
  content:""; position:absolute; inset:-1px; pointer-events:none;
  background:linear-gradient(115deg, transparent 25%, rgba(255,255,255,.72) 47%, transparent 68%);
  transform:translateX(-120%); transition:transform .7s ease;
}
.skill-card:hover { transform:translateY(-7px); box-shadow:var(--shadow-md); border-color:#cbd9e6; }
.skill-card:hover::after { transform:translateX(120%); }
.skill-icon { width:48px; height:48px; display:grid; place-items:center; border-radius:14px; background:linear-gradient(145deg,#eef3ff,#f5f8ff); color:var(--blue); border:1px solid #e3ebfb; }
.skill-icon svg { width:23px; fill:none; stroke:currentColor; stroke-width:1.55; stroke-linecap:round; stroke-linejoin:round; }
.skill-card h3 { margin:26px 0 12px; font:700 17px/1.35 var(--display); letter-spacing:-.025em; }
.skill-card p { margin:0; color:var(--muted); font-size:12.8px; line-height:1.82; }
.tags, .project-stack { display:flex; flex-wrap:wrap; gap:7px; margin-top:22px; }
.tags span, .project-stack span { padding:6px 9px; border-radius:999px; color:#4d6075; background:#f5f7fa; border:1px solid #e6ecf2; font:600 9.5px/1 var(--display); }

/* Work */
.work-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:22px; margin-top:58px; }
.project-card {
  position:relative; min-height:380px; padding:34px; overflow:hidden; background:#fff;
  border:1px solid var(--line); border-radius:28px; box-shadow:var(--shadow-sm);
  transition:transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s ease, border-color .35s ease;
}
.project-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-md); border-color:#cbd8e5; }
.project-featured { grid-row: span 2; min-height:782px; background:linear-gradient(155deg,#ffffff 0%,#f1f6fb 100%); }
.project-meta { display:flex; justify-content:space-between; gap:12px; color:#7a899a; font:800 9.5px/1.4 var(--display); text-transform:uppercase; letter-spacing:.105em; }
.project-card h3 { max-width:470px; margin:26px 0 14px; font:700 29px/1.12 var(--display); letter-spacing:-.04em; }
.project-card p { max-width:540px; margin:0; color:var(--muted); font-size:13.2px; line-height:1.82; }
.project-art { position:absolute; left:34px; right:34px; bottom:34px; height:320px; border-radius:24px; overflow:hidden; background:linear-gradient(150deg,#122945,#2a61c5); box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); }
.chart-art::before { content:""; position:absolute; inset:0; opacity:.42; background-image:linear-gradient(rgba(255,255,255,.11) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.11) 1px,transparent 1px); background-size:44px 44px; }
.chart-art::after { content:"Predictive signal"; position:absolute; left:24px; top:20px; color:rgba(255,255,255,.72); font:600 10px/1 var(--display); letter-spacing:.08em; text-transform:uppercase; }
.chart-bars { position:absolute; left:36px; right:36px; bottom:34px; height:180px; display:flex; align-items:end; gap:17px; }
.chart-bars i { flex:1; transform:scaleY(.02); transform-origin:bottom; background:linear-gradient(180deg,#8cb0ff,#4a7ce7); border-radius:9px 9px 3px 3px; opacity:.9; }
.project-featured.in-view .chart-bars i { animation: bar-rise .75s cubic-bezier(.2,.8,.2,1) forwards; }
.project-featured.in-view .chart-bars i:nth-child(2){animation-delay:.07s}.project-featured.in-view .chart-bars i:nth-child(3){animation-delay:.14s}.project-featured.in-view .chart-bars i:nth-child(4){animation-delay:.21s}.project-featured.in-view .chart-bars i:nth-child(5){animation-delay:.28s}.project-featured.in-view .chart-bars i:nth-child(6){animation-delay:.35s}
.chart-bars i:nth-child(1){height:38%}.chart-bars i:nth-child(2){height:67%}.chart-bars i:nth-child(3){height:52%}.chart-bars i:nth-child(4){height:82%}.chart-bars i:nth-child(5){height:72%}.chart-bars i:nth-child(6){height:95%}
.chart-line { position:absolute; inset:0; }
.chart-line b { position:absolute; width:11px; height:11px; background:#5fe0c5; border:3px solid #d9fff6; border-radius:50%; opacity:0; transform:scale(.4); }
.project-featured.in-view .chart-line b { animation: point-pop .35s ease forwards .55s; }
.project-featured.in-view .chart-line b:nth-child(2){animation-delay:.62s}.project-featured.in-view .chart-line b:nth-child(3){animation-delay:.69s}.project-featured.in-view .chart-line b:nth-child(4){animation-delay:.76s}.project-featured.in-view .chart-line b:nth-child(5){animation-delay:.83s}
.chart-line b:nth-child(1){left:17%;top:52%}.chart-line b:nth-child(2){left:33%;top:38%}.chart-line b:nth-child(3){left:50%;top:44%}.chart-line b:nth-child(4){left:66%;top:28%}.chart-line b:nth-child(5){left:83%;top:20%}
.chart-line::after { content:""; position:absolute; left:15%; right:14%; top:38%; height:2px; opacity:.75; background:linear-gradient(90deg,#5fe0c5 0 20%,transparent 20% 21%,#5fe0c5 21% 45%,transparent 45% 46%,#5fe0c5 46% 70%,transparent 70% 71%,#5fe0c5 71%); transform:rotate(-12deg) scaleX(0); transform-origin:left center; }
.project-featured.in-view .chart-line::after { animation: line-draw .8s ease forwards .48s; }

/* Experience */
.timeline { margin-top:58px; border-top:1px solid #d7e1eb; }
.timeline-item {
  position:relative; display:grid; grid-template-columns:220px 1fr; gap:64px; padding:40px 0; border-bottom:1px solid #d7e1eb;
  transition:background .25s ease, padding-left .25s ease, padding-right .25s ease;
}
.timeline-item:hover { background:rgba(255,255,255,.34); padding-left:14px; padding-right:14px; }
.timeline-date { color:#73849a; font:700 11px/1.5 var(--display); letter-spacing:.01em; }
.timeline-body { max-width: 850px; }
.timeline-body h3 { margin:0; font:700 20px/1.35 var(--display); letter-spacing:-.028em; }
.timeline-body h4 { margin:8px 0 15px; color:var(--blue); font:700 12.5px/1.4 var(--display); }
.timeline-body p { max-width:820px; margin:0; color:var(--muted); font-size:12.8px; line-height:1.84; }
.role-tag { display:inline-block; margin:0 0 12px; padding:6px 9px; color:#087b63; background:#dcf8ef; border-radius:999px; font:800 8.5px/1 var(--display); text-transform:uppercase; letter-spacing:.09em; }

/* Credentials */
.credentials-grid { display:grid; grid-template-columns:.82fr 1.18fr; gap:clamp(72px,8vw,120px); align-items:start; }
.credential-stack { display:grid; gap:18px; }
.credential-card { padding:32px 34px; background:#fff; border:1px solid var(--line); border-radius:24px; box-shadow:var(--shadow-sm); transition:transform .28s ease, box-shadow .28s ease; }
.credential-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-md); }
.credential-year { color:var(--blue); font:800 9.5px/1.3 var(--display); text-transform:uppercase; letter-spacing:.11em; }
.credential-card h3 { margin:13px 0 7px; font:700 18px/1.35 var(--display); letter-spacing:-.026em; }
.credential-card p { margin:0; color:#52677d; font-size:12.8px; line-height:1.75; }
.credential-card small { display:block; margin-top:12px; color:#8b9aab; font-size:10.5px; }
.credential-card.compact { display:flex; justify-content:space-between; align-items:center; }
.language-mark { width:66px; height:66px; display:grid; place-items:center; border-radius:18px; background:#f0f4fb; color:var(--blue); text-align:center; font:800 10.5px/1.3 var(--display); }

/* Contact */
.contact { padding-top:80px; }
.contact-panel {
  position:relative; overflow:hidden;
  display:grid; grid-template-columns:1.08fr .92fr; gap:80px; align-items:center;
  padding:64px; border-radius:34px; color:#fff;
  background:linear-gradient(135deg,#0b1a2e 0%,#123e7e 62%,#0e6f72 115%);
  box-shadow:0 28px 68px rgba(15,33,55,.19);
}
.contact-panel::after { content:""; position:absolute; width:350px; height:350px; right:-150px; top:-170px; border:1px solid rgba(255,255,255,.15); border-radius:50%; box-shadow:0 0 0 60px rgba(255,255,255,.025),0 0 0 120px rgba(255,255,255,.018); }
.eyebrow.light { color:#9cc8ff; }
.contact-panel h2 { max-width:620px; margin:0; font:700 clamp(37px,4vw,54px)/1.08 var(--display); letter-spacing:-.048em; }
.contact-panel p:not(.eyebrow) { margin:22px 0 0; color:#ccd9e8; max-width:620px; font-size:13.8px; line-height:1.78; }
.contact-actions { position:relative; z-index:2; display:grid; gap:11px; }
.contact-link { display:flex; justify-content:space-between; align-items:center; gap:20px; padding:17px 19px; border:1px solid rgba(255,255,255,.16); border-radius:16px; background:rgba(255,255,255,.07); transition:background .22s ease, transform .22s ease, border-color .22s ease; }
.contact-link:not(.non-link):hover { background:rgba(255,255,255,.12); border-color:rgba(255,255,255,.25); transform:translateX(4px); }
.contact-link span { color:#a9bad0; font-size:10.5px; font-weight:600; }
.contact-link strong { font:600 11.5px/1.35 var(--display); text-align:right; }

.site-footer { width:min(var(--max),calc(100% - 48px)); margin:0 auto; padding:34px 0 50px; display:flex; justify-content:space-between; gap:30px; color:#7e8e9f; font-size:10.5px; }
.site-footer p { margin:0; }
.site-footer a { font:700 10.5px/1 var(--display); color:#52677d; }

/* Motion */
.js .reveal { opacity:0; transform:translateY(26px); filter:blur(5px); transition:opacity .75s cubic-bezier(.2,.7,.2,1), transform .75s cubic-bezier(.2,.7,.2,1), filter .75s ease; transition-delay:var(--reveal-delay,0ms); }
.js .reveal.in-view { opacity:1; transform:none; filter:blur(0); }
.js body:not(.page-loaded) .site-header { opacity:0; transform:translateY(-18px); }
.site-header { opacity:1; }
body.page-loaded .site-header { animation: nav-enter .65s cubic-bezier(.2,.75,.2,1) both; }

@keyframes nav-enter { from { opacity:0; transform:translateY(-18px); } to { opacity:1; transform:none; } }
@keyframes float-card { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
@keyframes orbit-breathe { 0%,100%{transform:scale(1);opacity:.75} 50%{transform:scale(1.055);opacity:1} }
@keyframes bar-rise { from{transform:scaleY(.02)} to{transform:scaleY(1)} }
@keyframes point-pop { from{opacity:0;transform:scale(.4)} to{opacity:1;transform:scale(1)} }
@keyframes line-draw { from{transform:rotate(-12deg) scaleX(0)} to{transform:rotate(-12deg) scaleX(1)} }

@media (max-width: 1120px) {
  .site-header { grid-template-columns:auto auto 1fr; }
  .primary-nav { position:absolute; left:0; right:0; top:82px; display:none; flex-direction:column; gap:2px; padding:11px; background:rgba(255,255,255,.98); border:1px solid var(--line); border-radius:18px; box-shadow:var(--shadow-md); }
  .primary-nav.open { display:flex; animation: menu-in .22s ease both; }
  .primary-nav a { padding:12px 13px; }
  .primary-nav a::after { display:none; }
  .nav-toggle { display:block; justify-self:end; grid-column:2; }
  .header-cta { justify-self:end; }
  .hero { grid-template-columns:minmax(0,1fr) minmax(390px,.85fr); gap:48px; }
  .hero h1 { font-size:58px; }
  .fc-top { left:-10px; }
  .fc-bottom { right:-5px; }
  .expertise-grid { grid-template-columns:repeat(2,1fr); }
  @keyframes menu-in { from{opacity:0;transform:translateY(-8px)} to{opacity:1;transform:none} }
}

@media (max-width: 820px) {
  .site-header { width:calc(100% - 20px); top:8px; margin-top:10px; padding:10px 11px; grid-template-columns:1fr auto; min-height:66px; }
  .brand-copy { display:none; }
  .nav-toggle { grid-column:2; grid-row:1; }
  .header-cta { display:none; }
  .primary-nav { top:68px; }
  .section-pad { width:calc(100% - 30px); padding:92px 0; }
  .section-soft { width:100%; padding-left:15px; padding-right:15px; }
  .hero { min-height:auto; grid-template-columns:1fr; gap:60px; padding-top:72px; padding-bottom:90px; }
  .hero-copy { max-width: 700px; }
  .hero h1 { font-size:clamp(48px,12vw,67px); }
  .hero-lead { font-size:16px; max-width:620px; }
  .hero-proof { max-width:620px; }
  .hero-visual { min-height:560px; }
  .portrait-frame { width:min(92%,450px); }
  .fc-top { top:56px; left:0; }
  .fc-bottom { right:0; bottom:72px; }
  .trust-strip { width:calc(100% - 30px); justify-content:flex-start; }
  .about-grid, .credentials-grid, .contact-panel { grid-template-columns:1fr; gap:44px; }
  .about-grid { margin-top:48px; }
  .expertise-grid, .work-grid { grid-template-columns:1fr; }
  .project-featured { min-height:650px; grid-row:auto; }
  .project-art { height:260px; }
  .timeline-item { grid-template-columns:1fr; gap:13px; padding:32px 0; }
  .timeline-item:hover { padding-left:0; padding-right:0; background:transparent; }
  .contact-panel { padding:42px 28px; border-radius:26px; }
  .site-footer { width:calc(100% - 30px); flex-direction:column; gap:10px; }
}

@media (max-width: 560px) {
  .section-pad { padding:80px 0; }
  .eyebrow { margin-bottom:18px; font-size:10px; }
  .hero { gap:50px; }
  .hero h1 { font-size:clamp(44px,13vw,58px); line-height:1.035; }
  .hero h1 span { display:inline; }
  .hero-lead { margin-top:24px; font-size:15px; line-height:1.78; }
  .hero-actions { margin-top:28px; }
  .hero-actions .btn { width:100%; }
  .hero-proof { grid-template-columns:1fr; gap:0; margin-top:42px; }
  .proof-item { padding:14px 0; }
  .hero-visual { min-height:470px; }
  .portrait-frame { border-radius:28px 28px 110px 28px; }
  .floating-card { padding:10px 12px; }
  .fc-top { top:38px; }
  .fc-bottom { bottom:48px; }
  .icon-box { width:34px; height:34px; }
  .section-heading h2 { font-size:36px; }
  .section-heading > p:not(.eyebrow) { font-size:14.5px; }
  .about-copy p { font-size:15.5px; }
  .skill-card { padding:27px; }
  .project-card { min-height:410px; padding:27px; }
  .project-featured { min-height:590px; }
  .project-card h3 { font-size:26px; }
  .project-art { left:27px; right:27px; bottom:27px; height:225px; }
  .chart-bars { left:24px; right:24px; gap:10px; }
  .project-meta { flex-direction:column; gap:5px; }
  .credential-card { padding:27px; }
  .contact-link { flex-direction:column; align-items:flex-start; gap:4px; }
  .contact-link strong { text-align:left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
  .js .reveal { opacity:1; transform:none; filter:none; }
  .chart-bars i { transform:scaleY(1); }
  .chart-line b { opacity:1; transform:none; }
  .chart-line::after { transform:rotate(-12deg) scaleX(1); }
}

/* Lead engineering case studies */
.case-studies {
  display: grid;
  gap: 24px;
  margin-top: 58px;
}
.case-card {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 4vw, 48px);
  background: rgba(255,255,255,.96);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: var(--shadow-sm);
  transition: transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s ease, border-color .35s ease;
}
.case-card::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  right: -150px;
  top: -155px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(36,88,217,.075), rgba(36,88,217,0) 70%);
  pointer-events: none;
}
.case-card-primary {
  background: linear-gradient(145deg, #fff 0%, #f7faff 62%, #f1f8f7 100%);
  border-color: #d4e0ec;
}
.case-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: #c7d5e3;
}
.case-topline {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line-soft);
}
.case-topline > div { display: flex; align-items: center; gap: 12px; }
.case-index {
  color: #9aabba;
  font: 800 10px/1 var(--display);
  letter-spacing: .12em;
}
.role-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 11px;
  color: #0b7d69;
  background: #e9f8f4;
  border: 1px solid #d1f0e8;
  border-radius: 999px;
  font: 800 9px/1 var(--display);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.project-domain {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #4c6076;
  font: 700 11px/1.3 var(--display);
  transition: color .2s ease, transform .2s ease;
}
.project-domain svg { width: 17px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.project-domain:hover { color: var(--blue); transform: translateY(-1px); }
.case-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .72fr);
  gap: clamp(54px, 6vw, 92px);
  align-items: start;
  padding-top: 36px;
}
.case-category {
  margin: 0 0 12px;
  color: var(--blue);
  font: 800 10px/1.35 var(--display);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.case-copy h3 {
  margin: 0 0 20px;
  font: 700 clamp(30px, 3vw, 42px)/1.08 var(--display);
  letter-spacing: -.045em;
}
.case-lead {
  max-width: 760px;
  margin: 0;
  color: #334c66;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: -.012em;
}
.case-description {
  max-width: 770px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.9;
}
.case-scope {
  padding: 26px 28px 12px;
  background: #f8fafc;
  border: 1px solid #e7edf4;
  border-radius: 22px;
}
.scope-label {
  margin: 0 0 8px;
  color: #789;
  font: 800 9.5px/1.2 var(--display);
  letter-spacing: .13em;
  text-transform: uppercase;
}
.case-scope ul { list-style: none; padding: 0; margin: 0; }
.case-scope li { padding: 18px 0; border-top: 1px solid #e7edf3; }
.case-scope li:first-child { border-top: 0; }
.case-scope strong { display: block; margin-bottom: 6px; font: 700 12.5px/1.4 var(--display); letter-spacing: -.015em; }
.case-scope span { display: block; color: var(--muted); font-size: 11.5px; line-height: 1.7; }
.secondary-work-heading { margin-top: 96px; max-width: 760px; }
.secondary-work-heading .eyebrow { margin-bottom: 16px; }
.secondary-work-heading h3 { margin: 0; font: 700 clamp(28px, 3vw, 40px)/1.14 var(--display); letter-spacing: -.04em; }
.work-grid-secondary { margin-top: 38px; }

@media (max-width: 980px) {
  .case-layout { grid-template-columns: 1fr; gap: 30px; }
  .case-scope { max-width: none; }
}
@media (max-width: 640px) {
  .case-card { padding: 25px; border-radius: 24px; }
  .case-topline { align-items: flex-start; flex-direction: column; gap: 14px; }
  .case-lead { font-size: 15px; }
  .case-description { font-size: 13px; }
  .case-scope { padding: 20px 22px 8px; }
  .secondary-work-heading { margin-top: 72px; }
}