/* Minerva Defence Network — Design System
   Institutional defense-industry aesthetic: white/light ground,
   navy + gold as disciplined accent, real photography, no clutter. */

:root{
  --navy-primary:#0D2137;
  --navy-secondary:#163351;
  --navy-panel:#1A3050;
  --gold-accent:#A9812A;
  --gold-highlight:#C49A22;
  --white:#FFFFFF;
  --ink:#16232F;
  --body-text:#48586A;
  --body-text-inverse:#C8D4E0;
  --line:#E2E6EB;
  --line-dark:#2C4A6E;
  --surface:#F5F7F9;
  --dark-red:#8B0000;
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:hidden;max-width:100%}
body{
  margin:0;
  background:var(--white);
  color:var(--body-text);
  font-family:Georgia,'Times New Roman',serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.label,nav,button,.btn{font-family:'Inter',Arial,Helvetica,sans-serif}
h1,h2,h3,h4{color:var(--ink);font-weight:700;letter-spacing:.02em;margin:0 0 .6em}
h1{font-size:clamp(2rem,5vw,3.4rem);text-transform:uppercase;line-height:1.15}
h2{font-size:clamp(1.5rem,3vw,2.2rem);text-transform:uppercase}
h3{font-size:1.25rem;text-transform:uppercase;color:var(--gold-accent)}
p{margin:0 0 1.1em;text-align:justify}
a{color:var(--gold-accent);text-decoration:none}
a:hover{color:var(--navy-primary)}
img{max-width:100%;display:block}
ul{padding-left:1.2em}
li{margin-bottom:.5em}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:80px 0}
.section-alt{background:var(--surface)}

/* Dark band variant, used sparingly (hero, footer, one CTA band) */
.section-dark{background:var(--navy-primary);color:var(--body-text-inverse)}
.section-dark h1,.section-dark h2,.section-dark h3,.section-dark h4{color:var(--white)}
.section-dark h3{color:var(--gold-highlight)}
.section-dark a{color:var(--gold-highlight)}
.section-dark a:hover{color:var(--white)}
.section-dark p{color:var(--body-text-inverse)}

.eyebrow{
  font-family:'Inter',sans-serif;
  text-transform:uppercase;
  letter-spacing:.18em;
  font-size:.75rem;
  color:var(--gold-accent);
  margin-bottom:.8em;
  display:block;
}

.gold-rule{width:70px;height:2px;background:var(--gold-accent);border:0;margin:24px 0}
.gold-rule.center{margin:24px auto}

/* ===== Confidentiality / classification banner ===== */
.classification-banner{
  background:var(--dark-red);
  color:var(--white);
  font-family:'Inter',sans-serif;
  font-size:.78rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  text-align:center;
  padding:8px 44px 8px 16px;
  position:relative;
}
.classification-banner .close-banner{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  background:none;border:0;color:var(--white);font-size:1.1rem;cursor:pointer;
  width:28px;height:28px;line-height:1;
}
.classification-banner.hidden{display:none}

/* ===== Nav ===== */
header.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap;gap:16px;padding:10px 24px;max-width:1360px;margin:0 auto}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{height:120px;width:auto;flex-shrink:0}
@media(max-width:1100px){.brand img{height:90px}}
@media(max-width:980px){.brand img{height:76px}}
@media(max-width:480px){.brand img{height:60px}}

.nav-close{display:none}

nav.main-nav{min-width:0}
nav.main-nav ul{display:flex;flex-wrap:nowrap;gap:6px 12px;list-style:none;margin:0;padding:0}
nav.main-nav a{
  font-family:'Inter',sans-serif;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.02em;
  color:var(--ink);padding-bottom:4px;border-bottom:2px solid transparent;white-space:nowrap;
}
nav.main-nav a:hover,nav.main-nav a.active{color:var(--navy-primary);border-bottom-color:var(--gold-accent)}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;margin-left:auto}
.lang-switch{display:flex;gap:6px;font-family:'Inter',sans-serif;font-size:.72rem}
.lang-switch a{padding:2px 6px;border:1px solid var(--line);color:var(--ink)}
.lang-switch a.active{background:var(--navy-primary);color:var(--white);border-color:var(--navy-primary)}
.nav-toggle{display:none;background:none;border:0;color:var(--ink);font-size:1.6rem;cursor:pointer}

@media(max-width:980px){
  nav.main-nav{position:fixed;inset:0;top:0;background:var(--white);display:flex;align-items:center;justify-content:center;
    transform:translateX(100%);transition:transform .3s ease;z-index:200}
  nav.main-nav.open{transform:translateX(0)}
  nav.main-nav ul{flex-direction:column;text-align:center;gap:28px}
  nav.main-nav a{font-size:1.1rem;color:var(--ink)}
  .nav-toggle{display:block}
  .nav-close{display:none;position:fixed;top:18px;right:24px;z-index:210;background:none;border:0;color:var(--ink);font-size:2rem}
  nav.main-nav.open .nav-close{display:block}
}

/* ===== Buttons ===== */
.btn{
  display:inline-block;font-family:'Inter',sans-serif;text-transform:uppercase;letter-spacing:.08em;
  font-size:.78rem;padding:14px 30px;border:1px solid var(--gold-accent);color:var(--gold-highlight);
  transition:all .25s ease;background:transparent;cursor:pointer;
}
.btn:hover{background:var(--gold-accent);color:var(--white)}
.btn.solid{background:var(--gold-accent);color:var(--white);border-color:var(--gold-accent)}
.btn.solid:hover{background:var(--navy-primary);border-color:var(--navy-primary);color:var(--white)}
.btn.ghost{border-color:rgba(255,255,255,.5);color:var(--white)}
.btn.ghost:hover{border-color:var(--white);color:var(--navy-primary);background:var(--white)}
.section-dark .btn:not(.solid):not(.ghost){color:var(--gold-highlight)}
.btn-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:32px}

/* ===== Hero ===== */
.hero{
  min-height:82vh;display:flex;align-items:center;position:relative;overflow:hidden;
  color:var(--white);
  background:var(--navy-primary);
}
.hero .hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;opacity:.92}
.hero .hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,33,55,.25) 0%,rgba(13,33,55,.35) 45%,rgba(13,33,55,.75) 100%);z-index:1}
.hero .container{position:relative;z-index:2}
.hero-inner{max-width:900px}
.hero h1{color:var(--white)}
.hero .sub{font-size:1.15rem;color:var(--white);margin-top:10px}
.hero .sub-italic{font-style:italic;color:var(--gold-highlight);font-size:1.05rem;margin-top:6px}
.hero p{color:var(--body-text-inverse)}
.page-hero{min-height:42vh}
@media(max-width:700px){
  .hero{min-height:64vh}
  .page-hero{min-height:32vh}
  section{padding:56px 0}
}
@media(max-width:420px){
  .hero{min-height:58vh}
  .btn{padding:13px 22px;font-size:.72rem}
  .container{padding:0 16px}
  .package-letter{width:52px;height:52px;min-width:52px;font-size:1.7rem}
  .metric-card .val{font-size:1.6rem}
  table{font-size:.78rem}
  th,td{padding:9px 10px}
}

/* ===== Cards / grids ===== */
.grid{display:grid;gap:28px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-6{grid-template-columns:repeat(6,1fr)}
@media(max-width:980px){.grid-3,.grid-4,.grid-6{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid-2,.grid-3,.grid-4,.grid-6{grid-template-columns:1fr}}

.card{
  background:var(--white);border:1px solid var(--line);padding:32px 26px;
  box-shadow:0 1px 3px rgba(16,32,50,.05);
}
.card.highlight{border-color:var(--gold-accent);box-shadow:0 0 0 1px var(--gold-accent) inset}
.metric-card{background:var(--white);border:1px solid var(--line);padding:28px 22px;text-align:center;box-shadow:0 1px 3px rgba(16,32,50,.05)}
.metric-card .val{font-family:'Inter',sans-serif;font-weight:800;font-size:2.1rem;color:var(--navy-primary)}
.metric-card .lbl{font-family:'Inter',sans-serif;font-size:.85rem;color:var(--ink);margin-top:6px;text-transform:uppercase;letter-spacing:.04em}
.metric-card .sub{font-size:.78rem;color:var(--body-text);margin-top:4px}

.pull-quote{
  border-left:3px solid var(--gold-accent);padding:8px 28px;margin:36px 0;
  font-style:italic;font-size:1.15rem;color:var(--ink);
}

/* Photo + text split */
.photo-split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media(max-width:800px){.photo-split{grid-template-columns:1fr}}
.photo-split img{width:100%;height:100%;object-fit:cover;min-height:280px;max-height:440px}
.photo-frame{border:1px solid var(--line);padding:10px;background:var(--white);box-shadow:0 2px 10px rgba(16,32,50,.06)}
.photo-frame img{display:block}
figcaption{font-family:'Inter',sans-serif;font-size:.7rem;color:var(--body-text);margin-top:8px;text-align:center}

/* ===== Tables ===== */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-family:'Inter',sans-serif;font-size:.88rem;background:var(--white)}
th,td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
th{background:var(--surface);color:var(--ink);text-transform:uppercase;letter-spacing:.04em;font-size:.75rem}
tr:hover td{background:rgba(169,129,42,.05)}

/* ===== Callout ===== */
.callout{border:1px solid var(--gold-accent);background:rgba(169,129,42,.06);padding:22px 26px;margin:32px 0}
.callout.red{border-color:var(--dark-red);background:rgba(139,0,0,.05)}
.callout .tag{font-family:'Inter',sans-serif;text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;color:var(--gold-accent);display:block;margin-bottom:8px}
.callout.red .tag{color:var(--dark-red)}

/* ===== Accordion / Tabs ===== */
.accordion-item{border-bottom:1px solid var(--line)}
.accordion-item button.acc-trigger{
  width:100%;text-align:left;background:none;border:0;color:var(--ink);
  font-family:'Inter',sans-serif;text-transform:uppercase;letter-spacing:.03em;font-size:.95rem;
  padding:20px 4px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;
}
.accordion-item .acc-trigger .plus{color:var(--gold-accent);font-size:1.3rem;transition:transform .2s}
.accordion-item.open .acc-trigger .plus{transform:rotate(45deg)}
.accordion-panel{max-height:0;overflow:hidden;transition:max-height .3s ease}
.accordion-panel .inner{padding:0 4px 24px}

.tabs-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.tabs-nav button{
  font-family:'Inter',sans-serif;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;
  padding:10px 18px;background:var(--white);border:1px solid var(--line);color:var(--body-text);cursor:pointer;
}
.tabs-nav button.active{background:var(--navy-primary);color:var(--white);border-color:var(--navy-primary)}
.tab-panel{display:none}
.tab-panel.active{display:block}

/* ===== Architecture layers ===== */
.layers{display:flex;flex-direction:column;gap:4px;max-width:760px;margin:0 auto}
.layer{
  background:var(--white);border:1px solid var(--line);border-left:4px solid var(--gold-accent);
  padding:20px 26px;display:flex;gap:18px;align-items:flex-start;box-shadow:0 1px 3px rgba(16,32,50,.05);
}
.layer .num{font-family:'Inter',sans-serif;font-weight:800;color:var(--gold-accent);font-size:1.1rem;min-width:28px}
.layer h4{margin:0 0 4px;color:var(--ink);font-size:1rem}
.layer p{margin:0;font-size:.92rem}

/* ===== Timeline ===== */
.timeline{display:flex;flex-wrap:wrap;gap:0;align-items:stretch;border-top:2px solid var(--gold-accent);padding-top:24px;margin-top:24px}
.timeline .step{flex:1;min-width:140px;position:relative;padding:0 14px 14px;text-align:center}
.timeline .step::before{content:'';position:absolute;top:-30px;left:50%;transform:translateX(-50%);width:12px;height:12px;border-radius:50%;background:var(--gold-accent)}
.timeline .step .yr{font-family:'Inter',sans-serif;font-weight:800;color:var(--ink)}
.timeline .step .loc{font-size:.82rem;color:var(--body-text)}

/* ===== IP Badges ===== */
.badge-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:20px}
.ip-badge{display:flex;align-items:center;gap:10px;background:var(--white);border:1px solid var(--line);padding:12px 18px;font-family:'Inter',sans-serif;font-size:.82rem;box-shadow:0 1px 3px rgba(16,32,50,.05)}
.dot{width:10px;height:10px;border-radius:50%}
.dot.green{background:#3fae4e}
.dot.yellow{background:#c49a22}
.dot.blue{background:#3f8ae0}

/* ===== Positioning 3-col ===== */
.position-col{padding:28px 22px;border:1px solid var(--line);background:var(--white);box-shadow:0 1px 3px rgba(16,32,50,.05)}
.position-col.mid{border-color:var(--gold-accent);background:linear-gradient(180deg,rgba(169,129,42,.07),var(--white))}
.position-col h4{font-size:1rem}

/* ===== Form ===== */
form.contact-form{display:grid;gap:18px;max-width:720px}
form.contact-form .row-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:600px){form.contact-form .row-2{grid-template-columns:1fr}}
label{font-family:'Inter',sans-serif;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink);display:block;margin-bottom:6px}
input,select,textarea{
  width:100%;background:var(--white);border:1px solid var(--line);color:var(--ink);
  padding:12px 14px;font-family:Georgia,serif;font-size:.95rem;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold-accent)}
textarea{min-height:140px;resize:vertical}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:.85rem}
.checkbox-row input{width:auto;margin-top:4px}
.form-note{font-size:.85rem;color:var(--body-text);margin-top:6px}
.form-success{display:none;border:1px solid var(--gold-accent);background:rgba(169,129,42,.06);padding:20px;margin-top:18px;font-family:'Inter',sans-serif}
.form-success.show{display:block}
.map-frame{border:1px solid var(--line);width:100%;height:340px}

/* ===== Footer ===== */
footer{background:var(--navy-primary);border-top:1px solid var(--line-dark);padding:60px 0 0;color:var(--body-text-inverse)}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1.3fr;gap:40px}
@media(max-width:800px){.footer-grid{grid-template-columns:1fr;gap:32px}}
footer h4{color:var(--gold-highlight);font-size:.85rem}
footer ul{list-style:none;padding:0;margin:0}
footer a{color:var(--body-text-inverse);font-size:.9rem}
footer a:hover{color:var(--gold-highlight)}
footer p{color:var(--body-text-inverse)}
.footer-nav-cols{display:grid;grid-template-columns:1fr 1fr;gap:4px 20px}
@media(max-width:480px){.footer-nav-cols{grid-template-columns:1fr}}
.footer-bottom{border-top:1px solid var(--line-dark);margin-top:40px;padding:20px 0;text-align:center;font-family:'Inter',sans-serif;font-size:.75rem;color:var(--body-text-inverse)}

/* ===== Fade-in on scroll ===== */
.fade-in{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ===== Utility ===== */
.text-center{text-align:center}
.mt-lg{margin-top:56px}
.small{font-size:.85rem}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:40px}
@media(max-width:800px){.two-col{grid-template-columns:1fr}}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.tag-list span{font-family:'Inter',sans-serif;font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;border:1px solid var(--line);padding:5px 12px;color:var(--body-text)}

.package-head{display:flex;align-items:center;gap:20px;margin-bottom:28px}
.package-letter{
  font-family:'Inter',sans-serif;font-weight:800;font-size:2.2rem;color:var(--white);
  background:var(--navy-primary);width:64px;height:64px;min-width:64px;display:flex;align-items:center;justify-content:center;
}
.package-block{padding:56px 0;border-bottom:1px solid var(--line)}
.package-block:last-child{border-bottom:0}