@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --navy:#134A35;
  --navy-2:#1C6B4C;
  --navy-deep:#0A2418;
  --ivory:#F5F1E8;
  --paper:#ECE8DC;
  --paper-2:#FFFFFF;
  --ink:#17231C;
  --ink-soft:#57645A;
  --line: rgba(19,74,53,0.14);
  --line-strong: rgba(19,74,53,0.26);
  --gold:#B4883C;
  --gold-dark:#8F6A26;
  --gold-tint:#F1E7CE;
  --headline:'Fraunces', serif;
  --body:'Inter', sans-serif;
  --mono:'IBM Plex Mono', monospace;
  --r-sm:3px;
  --r-md:8px;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
.wrap{max-width:1180px; margin:0 auto; padding:0 32px;}
@media(max-width:720px){.wrap{padding:0 20px;}}
p{color:var(--ink-soft);}
h1,h2,h3,h4{font-family:var(--headline); color:var(--ink); font-weight:600; letter-spacing:-0.01em;}

/* ===== UTILITY BAR ===== */
.utility-bar{background:var(--navy-deep); color:rgba(245,241,232,0.72); font-family:var(--mono); font-size:12px;}
.ub-inner{display:flex; justify-content:space-between; align-items:center; height:36px;}
.ub-right{display:flex; gap:22px;}
.ub-right a{color:rgba(245,241,232,0.85); transition:color .15s ease;}
.ub-right a:hover{color:var(--gold);}
@media(max-width:720px){.ub-left{display:none;} .ub-right{gap:14px;}}

/* ===== HEADER / NAV ===== */
header{position:sticky; top:0; z-index:50; background:rgba(245,241,232,0.92); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px); border-bottom:1px solid var(--line);}
.nav{display:flex; align-items:center; justify-content:space-between; height:82px;}
.brand{display:flex; align-items:center; gap:12px;}
.brand-logo{height:46px; width:auto; display:block;}
@media(max-width:940px){.brand-logo{height:38px;}}
.brand-mark{
  width:42px; height:42px; background:var(--navy); color:var(--gold);
  display:flex; align-items:center; justify-content:center; border-radius:2px;
  font-family:var(--mono); font-weight:500; font-size:14px; letter-spacing:0.02em; flex-shrink:0;
}
.brand-text{font-family:var(--headline); font-weight:600; font-size:18.5px; color:var(--ink); line-height:1.15;}
.brand-text small{display:block; font-family:var(--mono); font-weight:400; font-size:9.5px; color:var(--ink-soft); letter-spacing:0.05em; margin-top:3px;}
.navlinks{display:flex; gap:2px; font-size:14px; font-weight:500;}
.navlinks a{color:var(--ink-soft); padding:10px 15px; border-radius:var(--r-sm); transition:color .15s ease, background .15s ease;}
.navlinks a:hover{color:var(--navy); background:rgba(15,36,56,0.05);}
.navlinks a.active{color:var(--navy); font-weight:600; box-shadow: inset 0 -2px 0 var(--gold);}
.navright{display:flex; align-items:center; gap:14px;}
.navcta{background:var(--navy); color:var(--ivory); padding:11px 22px; font-size:13.5px; font-weight:600; border-radius:var(--r-sm); transition:background .15s ease, transform .15s ease;}
.navcta:hover{background:var(--navy-2); transform:translateY(-1px);}
.navburger{display:none; flex-direction:column; justify-content:center; gap:5px; width:28px; height:28px; background:none; border:none; cursor:pointer; padding:0;}
.navburger span{display:block; width:100%; height:2px; background:var(--navy);}
.navburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.navburger.open span:nth-child(2){opacity:0;}
.navburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media(max-width:940px){
  .navlinks{display:none; position:absolute; top:82px; left:0; right:0; flex-direction:column; gap:0;
    background:var(--ivory); border-top:1px solid var(--line); border-bottom:1px solid var(--line);
    box-shadow:0 12px 24px rgba(15,36,56,0.10); padding:8px 0;}
  .navlinks.open{display:flex;}
  .navlinks a{padding:15px 32px; border-radius:0;}
  .navlinks a.active{box-shadow:inset 3px 0 0 var(--gold);}
  .navburger{display:flex;}
  .brand-text{font-size:16.5px;}
}

/* ===== DARK HERO (home) ===== */
.dark-hero{
  background:
    radial-gradient(circle at 85% 6%, rgba(245,241,232,0.07), transparent 40%),
    radial-gradient(circle at 4% 100%, rgba(180,136,60,0.10), transparent 42%),
    radial-gradient(rgba(245,241,232,0.06) 1px, transparent 1.4px) 0 0/28px 28px,
    var(--navy);
  color:var(--ivory); padding:76px 0 64px; position:relative; overflow:hidden;
}
.dark-hero::after{content:""; position:absolute; right:-120px; top:-120px; width:420px; height:420px; border:1px solid rgba(245,241,232,0.08); border-radius:50%; animation:heroringpulse 10s ease-in-out infinite;}
.dark-hero::before{content:""; position:absolute; left:-150px; bottom:-190px; width:380px; height:380px; border:1px solid rgba(180,136,60,0.16); border-radius:50%; animation:heroringpulse 12s ease-in-out infinite; animation-delay:-5s;}
@keyframes heroringpulse{0%,100%{transform:scale(1); opacity:1;} 50%{transform:scale(1.07); opacity:.55;}}

.dh-split{display:flex; flex-direction:column; align-items:center; text-align:center; gap:40px; position:relative; z-index:1;}
.hero-copy{display:flex; flex-direction:column; align-items:center; width:100%;}
.dh-split .diagram-col{width:100%; max-width:1100px;}
.dark-hero .tag-line{justify-content:center;}
.tag-line{font-family:var(--mono); font-size:12.5px; color:var(--gold); display:flex; align-items:center; gap:10px; margin-bottom:22px;}
.tag-line .rule{width:28px; height:1px; background:var(--gold);}
.dark-hero h1{color:var(--ivory); font-size:clamp(32px,4vw,48px); line-height:1.12; max-width:26ch;}
.dark-hero p.lead{margin-top:20px; font-size:16.5px; color:rgba(245,241,232,0.78); max-width:64ch; line-height:1.65;}
.hero-actions{display:flex; gap:14px; margin-top:34px; flex-wrap:wrap;}
.btn-primary{background:var(--gold); color:var(--navy-deep); padding:14px 24px; font-weight:600; font-size:14px; font-family:var(--body); border-radius:var(--r-sm); border:none; cursor:pointer; transition:background .15s ease, transform .15s ease; display:inline-block;}
.btn-primary:hover{background:#C79A4E; transform:translateY(-1px);}
.btn-outline{border:1px solid rgba(245,241,232,0.35); color:var(--ivory); padding:14px 24px; font-weight:600; font-size:14px; border-radius:var(--r-sm); transition:border-color .15s ease, transform .15s ease; display:inline-block;}
.btn-outline:hover{border-color:var(--ivory); transform:translateY(-1px);}
.btn-dark{border:1px solid var(--line-strong); color:var(--navy); padding:14px 24px; font-weight:600; font-size:14px; border-radius:var(--r-sm); background:var(--paper-2); transition:border-color .15s ease, transform .15s ease; display:inline-block;}
.btn-dark:hover{border-color:var(--navy); transform:translateY(-1px);}

.hero-stats{display:flex; gap:36px; margin-top:46px; padding-top:24px; border-top:1px solid rgba(245,241,232,0.16); flex-wrap:wrap;}
.stat b{font-family:var(--mono); font-size:23px; font-weight:500; display:block; color:var(--gold);}
.stat span{font-size:11.5px; color:rgba(245,241,232,0.62);}

/* structure diagram (home hero) */
.diagram-box{background:rgba(245,241,232,0.04); border:1px solid rgba(245,241,232,0.14); border-radius:var(--r-md); padding:26px 30px;}
.diagram-box svg{width:100%; height:auto; display:block;}
.diagram-caption{font-family:var(--mono); font-size:10.5px; color:rgba(245,241,232,0.5); margin-top:12px; text-align:right;}

.flow-path{stroke-dasharray:7 7; animation:flowdash 2.6s linear infinite;}
.flow-path.out{stroke-dasharray:9 6; animation-duration:1.4s;}
@keyframes flowdash{to{stroke-dashoffset:-32;}}
.pulse-ring{animation:pulsering 2.8s ease-in-out infinite; transform-origin:center;}
@keyframes pulsering{0%,100%{opacity:.3; stroke-width:1;} 50%{opacity:.85; stroke-width:1.6;}}
@media(prefers-reduced-motion:reduce){
  .flow-path{animation:none;}
  .pulse-ring{animation:none; opacity:.55;}
  .dark-hero::after, .dark-hero::before{animation:none;}
}

/* ===== LIGHT PAGEHERO (inner pages) ===== */
.pagehero{padding:58px 0 50px;}
.pagehero .tag-line{color:var(--gold-dark);}
.pagehero .tag-line .rule{background:var(--gold-dark);}
.pagehero h1{font-size:clamp(30px,3.8vw,44px); line-height:1.14; max-width:19ch;}
.pagehero p.lead{margin-top:18px; font-size:16px; color:var(--ink-soft); max-width:52ch;}

/* ===== SECTIONS ===== */
.section{padding:76px 0;}
.section.tight{padding:56px 0;}
.section-head{display:grid; grid-template-columns:1fr 1.2fr; gap:40px; margin-bottom:44px; align-items:end; border-top:1px solid var(--line-strong); padding-top:18px;}
@media(max-width:760px){.section-head{grid-template-columns:1fr;}}
.section-head h2{font-size:clamp(24px,2.8vw,32px); line-height:1.2;}
.section-head p{font-size:14.5px; max-width:46ch;}

/* ===== DIVISIONS (dossier rows) ===== */
.division-row{display:grid; grid-template-columns:100px 1fr; gap:28px; padding:34px 0; border-top:1px solid var(--line);}
.division-row:last-child{border-bottom:1px solid var(--line);}
.div-code{font-family:var(--mono); font-size:14px; color:var(--gold-dark); font-weight:500; padding-top:4px;}
.division-row h3{font-size:22px; margin-bottom:10px;}
.division-row p{font-size:14.5px; max-width:62ch;}
.div-meta{display:flex; gap:10px; margin-top:16px; flex-wrap:wrap;}
.div-chip{font-size:12px; color:var(--navy); background:var(--gold-tint); padding:6px 12px; border-radius:20px; font-weight:500;}

/* ===== EQUIPMENT CATALOG LIST ===== */
.catalog-list{display:flex; flex-direction:column;}
.catalog-item{display:grid; grid-template-columns:88px 1fr; gap:24px; padding:26px 0; border-top:1px solid var(--line);}
.catalog-list .catalog-item:last-child{border-bottom:1px solid var(--line);}
.cat-code{font-family:var(--mono); font-size:13px; color:var(--ink-soft); padding-top:3px;}
.catalog-item h3{font-size:17.5px; margin-bottom:6px;}
.catalog-item p{font-size:13.5px; max-width:64ch;}

/* ===== FEATURE GRID (monitoring page) ===== */
.feature-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--r-md); overflow:hidden;}
@media(max-width:820px){.feature-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:540px){.feature-grid{grid-template-columns:1fr;}}
.feature{background:var(--paper-2); padding:28px 24px;}
.feature h3{font-size:16px; margin-bottom:10px;}
.feature p{font-size:13.5px;}
.feature .f-mark{font-family:var(--mono); font-size:11px; color:var(--gold-dark); margin-bottom:14px; display:block;}

/* ===== STEP LIST ===== */
.step-list{display:flex; flex-direction:column; border-top:1px solid var(--line-strong); margin-top:8px;}
.step-row{display:grid; grid-template-columns:52px 1fr; gap:20px; padding:22px 4px; border-bottom:1px solid var(--line);}
.step-num{font-family:var(--mono); font-size:13px; color:var(--gold-dark);}
.step-row h4{font-size:15.5px; margin-bottom:4px;}
.step-row p{font-size:13.5px;}

/* ===== HIGHLIGHT BAND ===== */
.highlight-band{background:var(--navy); color:var(--ivory); border-radius:var(--r-md); padding:44px; display:grid; grid-template-columns:1.2fr 1fr; gap:40px; align-items:center;}
@media(max-width:820px){.highlight-band{grid-template-columns:1fr; padding:32px;}}
.highlight-band h3{color:var(--ivory); font-size:24px; margin:10px 0 12px;}
.highlight-band p{color:rgba(245,241,232,0.75); font-size:14.5px; max-width:48ch;}
.hb-tag{font-family:var(--mono); font-size:12px; color:var(--gold);}
.hb-metrics{display:flex; flex-direction:column; gap:16px;}
.hb-item{display:flex; justify-content:space-between; border-top:1px solid rgba(245,241,232,0.16); padding-top:14px; gap:16px;}
.hb-item span{font-size:12.5px; color:rgba(245,241,232,0.62);}
.hb-item b{font-family:var(--mono); font-weight:500; font-size:14px; color:var(--gold); text-align:right;}

/* ===== LEDGER (projects/portfolio) ===== */
.ledger{width:100%; border-collapse:collapse; font-size:14px;}
.ledger thead th{font-family:var(--mono); font-size:11.5px; color:var(--ink-soft); text-align:left; font-weight:500; padding:0 16px 14px; border-bottom:1px solid var(--line-strong);}
.ledger tbody td{padding:20px 16px; border-bottom:1px solid var(--line); vertical-align:top;}
.ledger tbody tr:hover{background:var(--paper-2);}
.ledger .ly{font-family:var(--mono); color:var(--ink-soft); font-size:13px; white-space:nowrap;}
.ledger .lp b{display:block; font-family:var(--headline); font-size:15.5px; font-weight:600;}
.ledger .lp span{font-size:12.5px; color:var(--ink-soft);}
.ledger .lr{font-family:var(--mono); color:var(--gold-dark); font-size:13.5px; text-align:left; white-space:nowrap;}
.ledger-wrap{overflow-x:auto; border:1px solid var(--line); border-radius:var(--r-md); background:var(--paper-2); padding:8px 8px 0;}
.ledger-note{font-size:13px; color:var(--ink-soft); margin-top:22px; max-width:70ch; border-left:2px solid var(--gold); padding-left:16px;}

/* featured case quote */
.case-feature{background:var(--paper-2); border:1px solid var(--line); border-radius:var(--r-md); padding:40px; display:grid; grid-template-columns:1.1fr 0.9fr; gap:40px;}
@media(max-width:820px){.case-feature{grid-template-columns:1fr; padding:28px;}}
.case-feature h3{font-size:21px; margin:10px 0 12px;}
.case-metrics{display:flex; gap:28px; margin-top:22px; flex-wrap:wrap;}
.case-metric b{display:block; font-family:var(--mono); font-size:19px; color:var(--gold-dark); font-weight:500;}
.case-metric span{font-size:11.5px; color:var(--ink-soft);}
.case-quote{font-family:var(--headline); font-size:18px; line-height:1.55; color:var(--ink); border-left:2px solid var(--gold); padding-left:22px; align-self:center;}
.case-quote footer{margin-top:14px; font-family:var(--body); font-size:12.5px; color:var(--ink-soft); font-style:normal;}

/* ===== CERT STRIP ===== */
.cert-strip{display:flex; justify-content:space-between; gap:24px; padding:30px 0; border-top:1px solid var(--line-strong); border-bottom:1px solid var(--line-strong); flex-wrap:wrap;}
.cert{display:flex; align-items:center; gap:12px;}
.cert-mark{width:46px; height:46px; border:1px solid var(--line-strong); border-radius:50%; display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-size:11px; font-weight:500; color:var(--navy); flex-shrink:0;}
.cert-text b{display:block; font-size:13.5px;}
.cert-text span{font-size:11.5px; color:var(--ink-soft);}

/* ===== CONTACT ===== */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px;}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr; gap:40px;}}
.contact-block .role{font-family:var(--mono); font-size:12px; color:var(--gold-dark);}
.contact-block h3{font-size:23px; margin:10px 0 22px;}
.info-line{display:flex; flex-direction:column; gap:3px; padding:16px 0; border-top:1px solid var(--line);}
.info-line b{font-size:12px; color:var(--ink-soft); font-weight:600;}
.info-line a, .info-line span{font-size:15px;}
.quick-actions{display:flex; gap:12px; margin-top:26px; flex-wrap:wrap;}
.map-embed{border:1px solid var(--line); border-radius:var(--r-md); overflow:hidden; min-height:340px;}
.map-embed iframe{width:100%; height:100%; min-height:340px; border:0; display:block;}

/* ===== CTA BAND ===== */
.cta-band{text-align:center; padding:64px 0;}
.cta-band .tag-line{justify-content:center;}
.cta-band h2{margin-bottom:14px; font-size:clamp(22px,2.6vw,30px);}
.cta-band p{max-width:52ch; margin:0 auto 28px; font-size:15px;}

/* ===== FOOTER ===== */
.site-footer{background:var(--navy-deep); color:rgba(245,241,232,0.78); padding:56px 0 26px; margin-top:20px;}
.foot-grid{display:grid; grid-template-columns:1.3fr 1fr 1fr 1fr; gap:36px; padding-bottom:34px;}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr; row-gap:30px;}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr;}}
.foot-brand{display:block; margin-bottom:16px;}
.foot-logo-badge{display:inline-block; background:var(--ivory); padding:12px 18px; border-radius:7px; line-height:0;}
.foot-logo-badge img{height:38px; width:auto; display:block;}
.foot-col p{font-size:13px; color:rgba(245,241,232,0.55); max-width:34ch;}
.foot-col h4{color:rgba(245,241,232,0.9); font-size:12px; font-family:var(--mono); font-weight:500; margin-bottom:14px;}
.foot-col a{display:block; font-size:13.5px; color:rgba(245,241,232,0.72); padding:5px 0; transition:color .15s ease;}
.foot-col a:hover{color:var(--gold);}
.foot-bottom{display:flex; justify-content:space-between; padding-top:22px; border-top:1px solid rgba(245,241,232,0.12); font-size:11.5px; color:rgba(245,241,232,0.42); font-family:var(--mono); flex-wrap:wrap; gap:8px;}

/* ===== misc ===== */
.reveal{opacity:0; transform:translateY(12px); animation:rise .6s ease forwards;}
.reveal.d1{animation-delay:.05s;} .reveal.d2{animation-delay:.15s;} .reveal.d3{animation-delay:.25s;}
@keyframes rise{to{opacity:1; transform:none;}}
@media(prefers-reduced-motion:reduce){.reveal{animation:none; opacity:1; transform:none;}}
a:focus-visible, button:focus-visible{outline:2px solid var(--gold); outline-offset:2px;}