/* TACTECS — shared design system */
:root{
  --brand-navy:#223170;
  --brand-navy-2:#2E4296;
  --brand-teal:#1090B8;
  --brand-teal-light:#49B9D6;
  --ink-950:#0B1430;
  --ink-900:#121E45;
  --ink-800:#192A5C;
  --stone-50:#F5F1E7;
  --stone-100:#ECE5D2;
  --stone-200:#DECFAC;
  --text-900:#15202A;
  --text-700:#44525A;
  --amber-500:#C28A3D;
  --line-dark:rgba(245,241,231,.14);
  --line-light:rgba(21,32,42,.13);
  --display:'Big Shoulders Display',sans-serif;
  --body:'IBM Plex Sans',sans-serif;
  --mono:'IBM Plex Mono',monospace;
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--stone-50);color:var(--text-900);
  font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;
  opacity:0;animation:pagein .5s ease-out forwards;
}
@keyframes pagein{to{opacity:1}}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  body{opacity:1;animation:none}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--brand-teal);outline-offset:2px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
@media (max-width:640px){.wrap{padding:0 20px}}

h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:.01em;margin:0;color:var(--ink-950)}
.on-dark h1,.on-dark h2,.on-dark h3{color:var(--stone-50)}
h2{font-size:clamp(28px,4vw,42px);line-height:1.08}
h3{font-size:clamp(19px,2.2vw,23px);line-height:1.2;font-weight:600}
p{margin:0 0 1em}
.lede{font-size:19px;line-height:1.6;color:var(--text-700);max-width:62ch}
.on-dark .lede{color:#C7D2E0}

/* ---------- Nav ---------- */
header.site{position:sticky;top:0;z-index:50;background:var(--stone-50);backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid var(--line-light)}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{height:60px;width:auto}
nav.links{display:flex;gap:26px;align-items:center}
nav.links a{color:var(--text-700);text-decoration:none;font-size:15px;font-weight:500;padding:6px 1px;border-bottom:2px solid transparent;transition:border-color .15s,color .15s}
nav.links a:hover,nav.links a.active{color:var(--ink-950);border-color:var(--brand-teal-light)}
.nav-cta{background:var(--brand-teal);color:#07141C;font-weight:600;font-size:14px;padding:9px 16px;border-radius:2px;text-decoration:none;white-space:nowrap}
.nav-cta:hover{background:var(--brand-teal-light)}
.menu-btn{display:none;background:none;border:1px solid var(--line-light);color:var(--ink-950);width:40px;height:40px;border-radius:2px;cursor:pointer}
@media (max-width:860px){
  nav.links{position:fixed;inset:68px 0 0 0;background:var(--ink-950);flex-direction:column;align-items:flex-start;padding:28px;gap:4px;display:none;overflow-y:auto}
  nav.links.open{display:flex}
  nav.links a{width:100%;padding:14px 0;border-bottom:1px solid var(--line-dark);font-size:18px;color:var(--stone-50)}
  nav.links a:hover,nav.links a.active{color:var(--stone-50)}
  .nav-cta{margin-top:12px}
  .menu-btn{display:block}
}

/* ---------- Buttons ---------- */
.btn{display:inline-block;padding:13px 22px;border-radius:2px;text-decoration:none;font-weight:600;font-size:15px;border:1px solid transparent;transition:transform .12s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--brand-teal);color:#07141C}
.btn-primary:hover{background:var(--brand-teal-light)}
.btn-ghost{border-color:rgba(245,241,231,.35);color:var(--stone-50)}
.btn-ghost:hover{border-color:var(--stone-50)}
.btn-dark{border-color:rgba(21,32,42,.35);color:var(--ink-950)}
.btn-dark:hover{border-color:var(--ink-950)}

/* ---------- Page header band (non-home pages) ---------- */
.pageband{background:radial-gradient(ellipse 120% 100% at 15% -20%,#1A2C66 0%,var(--ink-950) 60%);color:var(--stone-50);padding:64px 0 48px}
.pageband .kicker{font-family:var(--mono);font-size:13px;color:var(--brand-teal-light);letter-spacing:.03em;margin-bottom:14px}
.pageband h1{font-size:clamp(34px,5vw,54px);line-height:1.02;max-width:18ch}
.pageband .lede{margin-top:16px}
.crumb{font-family:var(--mono);font-size:12.5px;color:#9FB0C9;margin-bottom:18px}
.crumb a{color:#9FB0C9;text-decoration:none}
.crumb a:hover{color:var(--stone-50)}

/* ---------- Sections ---------- */
section{padding:84px 0}
@media (max-width:640px){section{padding:52px 0}}
.section-head{display:grid;grid-template-columns:.36fr .64fr;gap:40px;margin-bottom:44px;align-items:start}
@media (max-width:760px){.section-head{grid-template-columns:1fr;gap:12px}}
.section-head .kicker{font-family:var(--mono);font-size:13px;color:var(--amber-500);letter-spacing:.02em}
.rule{border:0;border-top:1px solid var(--line-light);margin:0}

/* ---------- Stat band ---------- */
.statband{background:var(--ink-950);color:var(--stone-50);padding:0}
.stat-row{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line-dark)}
@media (max-width:860px){.stat-row{grid-template-columns:repeat(2,1fr)}}
.stat{padding:30px 22px;border-right:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark)}
.stat:last-child{border-right:none}
.stat .n{font-family:var(--display);font-weight:700;font-size:clamp(32px,4vw,44px);color:var(--brand-teal-light);line-height:1}
.stat .l{font-size:13px;color:#A9B8C8;margin-top:8px;font-family:var(--mono);letter-spacing:.02em}
.stat .src{font-size:11px;color:#6E7E92;margin-top:6px}

/* ---------- Cards / grids ---------- */
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light)}
@media (max-width:760px){.values-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.values-grid{grid-template-columns:1fr}}
.value-cell{background:var(--stone-50);padding:26px 24px}
.value-cell h3{font-size:17px;margin-bottom:6px}
.value-cell p{font-size:14.5px;color:var(--text-700);margin:0}

.sector{display:grid;grid-template-columns:.3fr .7fr;gap:30px;padding:30px 0;border-top:1px solid var(--line-light)}
.sector:last-child{border-bottom:1px solid var(--line-light)}
@media (max-width:760px){.sector{grid-template-columns:1fr;gap:10px}}
.sector .num{font-family:var(--mono);font-size:13px;color:var(--amber-500)}
.sector h3{margin-bottom:10px;font-size:24px}
.sector p{color:var(--text-700);max-width:60ch}
.sector .ex{font-size:14px;color:var(--brand-navy);font-weight:500;margin-top:10px}

.proj{display:grid;grid-template-columns:260px 1fr;border:1px solid var(--line-light);margin-bottom:-1px;background:var(--stone-50)}
@media (max-width:760px){.proj{grid-template-columns:1fr}}
.proj figure{margin:0;position:relative;overflow:hidden;min-height:180px}
.proj figure img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.proj .no-photo{width:100%;height:100%;min-height:180px;background:repeating-linear-gradient(45deg,var(--stone-200),var(--stone-200) 10px,var(--stone-100) 10px,var(--stone-100) 20px)}
.proj-body{padding:26px 28px}
.proj-tag{font-family:var(--mono);font-size:12px;color:var(--amber-500);letter-spacing:.03em;margin-bottom:10px;display:flex;gap:14px;flex-wrap:wrap}
.proj-body h3{margin-bottom:10px}
.proj-body p{color:var(--text-700);font-size:15px;margin-bottom:10px}
.proj-role{font-size:13.5px;color:var(--brand-navy);font-weight:600}
.proj[hidden]{display:none}

.filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.filter-chip{font-family:var(--mono);font-size:13px;padding:9px 16px;border:1px solid var(--line-light);background:var(--stone-50);border-radius:2px;cursor:pointer;color:var(--text-700)}
.filter-chip:hover{border-color:var(--brand-navy)}
.filter-chip.active{background:var(--brand-navy);color:var(--stone-50);border-color:var(--brand-navy)}

.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light)}
@media (max-width:760px){.team-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.team-grid{grid-template-columns:1fr}}
.person{background:var(--stone-50);padding:26px 22px}
.mono{width:46px;height:46px;border-radius:50%;background:var(--brand-navy);color:var(--brand-teal-light);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;font-size:16px;margin-bottom:14px}
.person h3{font-size:16.5px;margin-bottom:3px}
.person p{font-size:13.5px;color:var(--text-700);margin:0}

.partner-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
@media (max-width:760px){.partner-groups{grid-template-columns:1fr}}
.partner-groups h3{font-size:14px;font-family:var(--mono);font-weight:600;color:var(--amber-500);margin-bottom:16px;letter-spacing:.02em}
.partner-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-light)}
.partner-list li{padding:11px 0;border-bottom:1px solid var(--line-light);font-size:15.5px;color:inherit;font-weight:500}
.partner-list li span{display:block;font-size:12.5px;color:var(--text-700);font-weight:400;margin-top:2px}
.on-dark .partner-list,.contact .partner-list{border-top-color:var(--line-dark)}
.on-dark .partner-list li,.contact .partner-list li{border-bottom-color:var(--line-dark);color:var(--stone-50)}
.on-dark .partner-list li span,.contact .partner-list li span{color:#9FB0C9}

/* horizontal scroll gallery */
.hgallery{display:flex;gap:4px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;-webkit-overflow-scrolling:touch}
.hgallery::-webkit-scrollbar{height:6px}
.hgallery::-webkit-scrollbar-thumb{background:var(--line-light)}
.hgallery figure{margin:0;flex:0 0 72%;scroll-snap-align:start;position:relative}
@media (min-width:700px){.hgallery figure{flex:0 0 32%}}
.hgallery img{width:100%;height:300px;object-fit:cover}
.hgallery figcaption{font-family:var(--mono);font-size:12px;color:var(--text-700);padding:10px 2px 0}

/* Contact */
.contact{background:var(--ink-950);color:var(--stone-50)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr;gap:34px}}
.contact dl{margin:28px 0 0}
.contact dt{font-family:var(--mono);font-size:12.5px;color:var(--brand-teal-light);margin-top:20px}
.contact dd{margin:4px 0 0;font-size:17px}
.contact a.big{color:var(--stone-50);text-decoration:none;border-bottom:1px solid rgba(245,241,231,.3)}
.contact a.big:hover{border-color:var(--brand-teal)}

footer.site{background:var(--stone-50);color:var(--text-700);padding:34px 0;border-top:1px solid var(--line-light)}
.footer-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;gap:16px;flex-wrap:wrap}
.footer-row a{color:var(--text-700);text-decoration:none}
.footer-row a:hover{color:var(--ink-950)}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand img{height:40px;width:auto}

/* ---------- ISO strip ---------- */
.iso-strip{border-top:1px solid var(--line-light);padding:20px 0;margin-top:20px}
.iso-strip .wrap{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.iso-strip .iso-label{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--text-700);text-transform:uppercase}
.iso-badges{display:flex;gap:12px;flex-wrap:wrap}
.iso-badge{display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line-light);border-radius:4px;padding:10px 18px}
.iso-badge img{height:72px;width:auto;display:block}