:root{
  --navy:#0a2540; --navy2:#123a63; --blue:#1565d8; --blue-d:#0f4fae;
  --bg:#ffffff; --soft:#f3f7fc; --card:#ffffff; --line:#e2eaf3;
  --txt:#10233c; --mut:#5b6b7f;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--txt);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
h1,h2,h3{line-height:1.2;margin:0}
a{color:var(--blue)}
.kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:2px;margin:0 0 6px}
.kicker.light{color:#8fc3ff}

/* topbar */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:16px;background:#fff;border-bottom:1px solid var(--line);padding:10px 22px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--txt)}
.brand-mark{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;font-size:14px;overflow:hidden;flex:none}
.brand-mark img{width:100%;height:100%;object-fit:cover;object-position:center 18%}
.brand-text{font-weight:800;font-size:15px;display:flex;flex-direction:column;line-height:1.25}
.brand-text small{font-weight:500;color:var(--mut);font-size:11px}
.menu{margin-left:auto;display:flex;gap:20px}
.menu a{color:var(--txt);text-decoration:none;font-size:14px;font-weight:600;padding:6px 2px;border-bottom:2px solid transparent}
.menu a.active,.menu a:hover{color:var(--blue);border-color:var(--blue)}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:18px}

/* hero */
.hero{background:linear-gradient(115deg,var(--navy) 30%,var(--navy2) 65%,#1b4e89 100%);color:#fff;overflow:hidden}
.hero-inner{max-width:1080px;margin:0 auto;padding:64px 22px;display:grid;grid-template-columns:1.5fr .7fr;gap:24px;align-items:center}
.hero h1{font-size:clamp(32px,5vw,52px);letter-spacing:-.5px}
.hero-desc{color:#c9d8ea;max-width:58ch}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0 14px}
.btn{display:inline-block;padding:10px 22px;border-radius:999px;font-size:14px;font-weight:700;text-decoration:none;border:1px solid transparent}
.btn.primary{background:var(--blue);color:#fff}.btn.primary:hover{background:var(--blue-d)}
.btn.primary.sm{padding:8px 18px}
.btn.ghost{border-color:rgba(255,255,255,.6);color:#fff}
.crumb{color:#8fa9c4;font-size:13px;margin:0}
.hero-right{display:flex;flex-direction:column;gap:8px;align-items:flex-end;color:#dce9f8;font-size:13px}
.hero-right span{border-right:3px solid var(--blue);padding-right:10px}

/* sections */
.section{max-width:1080px;margin:0 auto;padding:48px 22px 8px}
.section h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:10px}
.sec-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.sec-sub{color:var(--mut);margin:0 0 6px}
.grid,.cards,.stats-grid,.mini-cards{min-width:0}
.link{font-size:14px;font-weight:700;text-decoration:none;white-space:nowrap}

/* focus cards */
.focus-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:26px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 8px 24px rgba(10,37,64,.06)}
.focus-card{text-align:center;padding:10px 6px}
.fic{font-size:26px;margin-bottom:6px}
.focus-card b{display:block;font-size:14px}
.focus-card p{margin:4px 0 0;color:var(--mut);font-size:12px}

/* split about */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.split p{color:#33475f}
.mini-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.mini-cards div{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:12px;font-size:14px}
.mini-cards b{display:block;font-size:14px}
.mini-cards span{color:var(--mut);font-size:13px}
.side-cards{display:grid;gap:12px}
.photo{margin:0;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:0 8px 24px rgba(10,37,64,.08)}
.photo img{display:block;width:100%;height:auto;border-radius:10px}
.photo figcaption{text-align:center;color:var(--mut);font-size:13px;margin-top:8px}
.side-card{display:flex;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:0 6px 18px rgba(10,37,64,.05)}
.side-card b{font-size:15px}
.side-card p{margin:4px 0 0;color:var(--mut);font-size:14px}

/* project cards */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 6px 18px rgba(10,37,64,.05);min-width:0;overflow-wrap:anywhere}
.card p,.focus-card p,.timeline p,.side-card p{overflow-wrap:anywhere}
.tag{display:inline-block;background:#e3f0ff;color:var(--blue-d);font-size:12px;font-weight:700;border-radius:999px;padding:3px 12px;margin-bottom:10px}
.card h3{font-size:18px}
.card .date{color:var(--mut);font-size:13px;margin:4px 0 8px}
.card p{color:#33475f;font-size:14px;margin:0}

/* stats band */
.stats{background:linear-gradient(120deg,#081c33,#123a63 70%,#1b4e89);color:#fff;margin:48px 0 0;padding:44px 22px;text-align:left}
.stats h2,.stats .kicker{max-width:1080px;margin-left:auto;margin-right:auto}
.stats h2{margin-bottom:22px}
.stats-grid{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stats-grid div{border-left:1px solid rgba(255,255,255,.2);padding-left:16px}
.stats-grid b{display:block;font-size:30px}
.stats-grid span{color:#b9cde3;font-size:13px}

/* timeline */
.timeline{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:14px}
.timeline li{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:10px;padding:14px 16px}
.timeline b{font-size:15px}
.timeline i{color:var(--mut);font-size:13px;margin-left:8px}
.timeline p{margin:6px 0 0;color:var(--mut);font-size:14px}

/* contact cards */
.contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-top:18px}
.c-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;display:flex;gap:12px;box-shadow:0 6px 18px rgba(10,37,64,.05);min-width:0}
.c-card>*{min-width:0}
.c-card b{font-size:15px}
.c-card p{margin:4px 0;font-size:14px;overflow-wrap:anywhere;word-break:break-word}
.c-card .mut{color:var(--mut);font-size:12px}

/* footer */
footer{background:var(--navy);color:#c9d8ea;margin-top:48px}
.foot-grid{max-width:1080px;margin:0 auto;padding:40px 22px 20px;display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:44px}
.foot-grid>div{min-width:0}
.foot-brand p{font-size:14px;max-width:44ch}
.foot-grid b{color:#fff;display:block;margin-bottom:12px}
.foot-grid a,.foot-grid span{display:block;color:#9db4cc;text-decoration:none;font-size:14px;margin-bottom:8px}
.foot-base{max-width:1080px;margin:0 auto;padding:14px 22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:center;gap:10px;flex-wrap:wrap;font-size:12px;color:#8fa9c4;text-align:center}

/* responsive */
/* ---- motion: entrance, reveal, hover ---- */
html{scroll-behavior:smooth}
section[id]{scroll-margin-top:76px}
.topbar{transition:box-shadow .3s ease}
.topbar.scrolled{box-shadow:0 6px 20px rgba(10,37,64,.12)}
@keyframes riseIn{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
.hero-left .kicker{animation:riseIn .6s ease both}
.hero-left h1{animation:riseIn .6s .1s ease both}
.hero-left .hero-desc{animation:riseIn .6s .2s ease both}
.hero-left .hero-cta{animation:riseIn .6s .3s ease both}
.hero-right span{animation:riseIn .6s ease both}
.hero-right span:nth-child(2){animation-delay:.15s}
.hero-right span:nth-child(3){animation-delay:.3s}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}
.btn{transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(21,101,216,.25)}
.focus-card,.card,.side-card,.c-card,.timeline li{transition:transform .25s ease,box-shadow .25s ease}
.focus-card:hover,.card:hover,.side-card:hover,.c-card:hover,.timeline li:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(10,37,64,.12)}
.menu a{transition:color .2s ease}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}
/* scroll to top */
.to-top{position:fixed;right:18px;bottom:18px;width:44px;height:44px;border:none;border-radius:50%;background:var(--blue);color:#fff;font-size:20px;font-weight:700;line-height:1;cursor:pointer;display:grid;place-items:center;padding:0 0 4px;box-shadow:0 8px 22px rgba(21,101,216,.35);opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .3s ease,transform .3s ease,visibility .3s ease,background .2s ease;z-index:60}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--blue-d);transform:translateY(-3px)}
/* responsive */
@media(max-width:900px){
  .focus-cards{grid-template-columns:repeat(2,1fr)}
  .cards,.contact-cards{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr}
  .hero-inner{grid-template-columns:1fr}
  .hero-right{display:none}
  .menu{display:none;position:absolute;top:60px;right:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 16px;flex-direction:column;gap:10px;box-shadow:0 10px 30px rgba(0,0,0,.12)}
  .menu.open{display:flex}
  .burger{display:block}
}