/* Strata Operational Support (SOS) — site styles */
:root{
  --navy:#0F2436;
  --navy-2:#1A3449;
  --navy-line:#2E4659;
  --signal:#E2582B;      /* decorative accent (logo, dots, numbers on dark) */
  --signal-text:#B8441C; /* accent for text on light grounds (AA) */
  --signal-soft:#F07A4A; /* accent on navy */
  --paper:#F5F3EE;
  --sand:#ECE8DF;
  --white:#FFFFFF;
  --ink:#0F2436;
  --body:#34444F;
  --slate:#4A5A66;
  --line:#D8D2C6;
  --on-navy:#E3E7EA;
  --on-navy-muted:#B9C3CB;
  --display:'Archivo',-apple-system,'Segoe UI',Helvetica,Arial,sans-serif;
  --text:'Public Sans',-apple-system,'Segoe UI',Helvetica,Arial,sans-serif;
  --wrap:1200px;
  --radius:8px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--text);font-size:17px;line-height:1.6}
img{max-width:100%;display:block}
a{color:var(--signal-text)}
a:hover{color:#8E3313}
:focus-visible{outline:3px solid var(--signal);outline-offset:3px;border-radius:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:104px 0}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:10px 16px;z-index:20}
.skip:focus{left:8px}

h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:-.015em;margin:0}
.kicker{font-family:var(--text);font-size:13px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--signal-text);margin:0 0 18px;display:flex;align-items:center;gap:12px}
.kicker::before{content:"";width:22px;height:6px;border-radius:3px;background:var(--signal);flex:none}
.on-navy .kicker{color:var(--signal-soft)}
.h2{font-size:clamp(32px,4.2vw,48px);line-height:1.08}
.lead{font-size:18px;line-height:1.65;color:var(--body);margin:0}
.muted{color:var(--slate)}
p{margin:0}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 26px;border-radius:6px;font-weight:600;font-size:16px;text-decoration:none;border:1.5px solid transparent;font-family:var(--text);cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn-signal{background:var(--signal-text);color:#fff}
.btn-signal:hover{background:#9C3816;color:#fff}
.btn-ghost{border-color:var(--navy);color:var(--navy)}
.btn-ghost:hover{background:var(--navy);color:#fff}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-2);color:#fff}

/* Header */
.site-header{position:sticky;top:0;z-index:10;background:rgba(245,243,238,.94);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:80px;gap:24px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink)}
.brand img{height:34px;width:auto}
.brand-name{font-family:var(--display);font-weight:700;font-size:17px;line-height:1.1;letter-spacing:-.005em;padding-left:14px;border-left:1.5px solid var(--line)}
.nav{display:flex;align-items:center;gap:28px;font-size:15px;font-weight:500}
.nav a{color:var(--ink);text-decoration:none}
.nav a:hover{color:var(--signal-text)}
.nav .btn{min-height:44px;padding:0 18px;font-size:15px;color:#fff}
.menu{display:none}
@media (max-width:1080px){
  .nav .nav-link{display:none}
  .menu{display:block;position:relative}
  .menu summary{list-style:none;cursor:pointer;min-height:44px;min-width:44px;display:flex;align-items:center;justify-content:center;border:1.5px solid var(--navy);border-radius:6px;font-weight:600;font-size:15px;padding:0 14px}
  .menu summary::-webkit-details-marker{display:none}
  .menu nav{position:absolute;right:0;top:54px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 30px rgba(15,36,54,.12);padding:8px;display:flex;flex-direction:column;min-width:220px}
  .menu nav a{padding:12px 14px;color:var(--ink);text-decoration:none;border-radius:4px}
  .menu nav a:hover{background:var(--paper)}
}
@media (max-width:560px){
  .brand-name{display:none}
  .nav{gap:10px}
  .nav .btn{padding:0 14px}
}
@media (max-width:440px){.nav .btn{display:none}}

/* Hero */
.hero{padding:88px 0 96px}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:center}
.hero h1{font-size:clamp(38px,5.4vw,66px);line-height:1.03;letter-spacing:-.025em;margin-bottom:26px}
.hero .lead{font-size:20px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-figure{display:flex;flex-direction:column;align-items:center;gap:16px}
.hero-figure svg{width:100%;max-width:420px;height:auto}
.hero-figure figcaption{font-size:14px;color:var(--slate);text-align:center;max-width:330px;line-height:1.5}
.endorse{margin-top:30px;font-size:14px;color:var(--slate)}
.endorse b{color:var(--ink);font-weight:600}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}.hero{padding:56px 0 72px}}

/* Morse divider */
.morse{display:flex;align-items:center;gap:6px}
.morse i{display:block;height:6px;width:6px;border-radius:3px;background:var(--signal)}
.morse i.d{width:18px}
.morse i.gap{background:none;width:8px}

/* Navy band */
.navy{background:var(--navy);color:var(--on-navy)}
.navy .lead{color:var(--on-navy-muted)}
.familiar-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:44px;flex-wrap:wrap}
.familiar-head .lead{max-width:460px}
.tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--navy-line);border:1px solid var(--navy-line);border-radius:var(--radius);overflow:hidden;list-style:none;margin:0;padding:0;counter-reset:t}
.tiles li{background:var(--navy);padding:30px;display:flex;flex-direction:column;gap:12px;counter-increment:t}
.tiles li::before{content:"0" counter(t);font-family:var(--display);font-weight:700;font-size:20px;color:var(--signal-soft)}
@media (max-width:900px){.tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.tiles{grid-template-columns:1fr}}

/* Service one */
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:64px;align-items:start}
.split .lead{margin-top:22px}
.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line);list-style:none;margin:0;padding:0}
.checklist li{padding:24px 24px 24px 0;border-bottom:1px solid var(--line)}
.checklist li:nth-child(even){padding:24px 0 24px 24px}
.checklist b{display:block;font-weight:600;font-size:17px;margin-bottom:6px}
.checklist span{font-size:15px;line-height:1.55;color:var(--slate)}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:40px}}
@media (max-width:600px){.checklist{grid-template-columns:1fr}.checklist li,.checklist li:nth-child(even){padding:22px 0}}

/* Service two */
.white{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.health-head{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:56px;align-items:end;margin-bottom:52px}
@media (max-width:900px){.health-head{grid-template-columns:1fr;gap:24px}}
.callout{background:var(--paper);border-radius:var(--radius);padding:44px 48px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;margin-bottom:52px}
.callout blockquote{margin:0;font-family:var(--display);font-weight:600;font-size:clamp(24px,2.6vw,32px);line-height:1.22;letter-spacing:-.01em}
.callout .copy{display:flex;flex-direction:column;gap:14px;color:var(--body)}
@media (max-width:900px){.callout{grid-template-columns:1fr;padding:32px 26px;gap:24px}}
.areas{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px 24px;list-style:none;margin:0 0 52px;padding:0}
.areas li{border-top:2px solid var(--navy);padding-top:20px}
.areas h3{font-size:20px;line-height:1.2;margin-bottom:10px}
.areas p{font-size:15px;line-height:1.6;color:var(--slate)}
@media (max-width:1000px){.areas{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.areas{grid-template-columns:1fr}}
.questions{background:var(--navy);color:var(--on-navy);border-radius:var(--radius);padding:44px 48px;display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:48px;align-items:center}
.questions h3{font-size:28px;line-height:1.2;color:#fff}
.questions ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px 28px;font-size:17px}
.questions li{display:flex;gap:10px;align-items:baseline}
.questions li::before{content:"";width:6px;height:6px;border-radius:3px;background:var(--signal-soft);flex:none;transform:translateY(-2px)}
@media (max-width:900px){.questions{grid-template-columns:1fr;padding:32px 26px;gap:24px}.questions ul{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.questions ul{grid-template-columns:1fr}}

/* Approach */
.sand{background:var(--sand)}
.intro{max-width:780px;margin-bottom:52px}
.intro .lead{margin-top:18px}
.four{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;list-style:none;margin:0 0 52px;padding:0;counter-reset:q}
.four li{background:var(--white);border-radius:var(--radius);padding:30px 26px;counter-increment:q;display:flex;flex-direction:column;gap:12px}
.four li::before{content:counter(q);font-family:var(--display);font-weight:800;font-size:40px;line-height:1;color:var(--signal-text)}
.four h3{font-size:22px;line-height:1.2}
.four p{font-size:15px;line-height:1.6;color:var(--slate)}
@media (max-width:1000px){.four{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.four{grid-template-columns:1fr}}
.pio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:2px solid var(--navy)}
.pio div{padding:26px 26px 0}
.pio div:first-child{padding-left:0}
.pio div+div{border-left:1px solid #C9C2B3}
.pio h3{font-size:22px;margin-bottom:8px}
.pio p{font-size:15px;line-height:1.6;color:var(--body)}
@media (max-width:760px){.pio{grid-template-columns:1fr}.pio div,.pio div:first-child{padding:22px 0 0}.pio div+div{border-left:0;border-top:1px solid #C9C2B3;margin-top:22px}}

/* Case example */
.case{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:64px;align-items:start}
.case .big{font-family:var(--display);font-weight:800;font-size:clamp(64px,8vw,92px);line-height:1;letter-spacing:-.03em;margin:4px 0 14px}
.case h2{font-size:clamp(28px,3.2vw,38px);line-height:1.15;margin-bottom:20px}
.case .story{display:flex;flex-direction:column;gap:18px}
.case .story p{font-size:18px;line-height:1.7;color:var(--body)}
.note{font-size:13px;color:var(--slate);margin-top:16px}
@media (max-width:900px){.case{grid-template-columns:1fr;gap:28px}}

/* Findings */
.findings-head{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:48px;align-items:end;border-top:1px solid var(--line);padding-top:72px;margin-bottom:40px}
.findings-head h2{font-size:clamp(28px,3.2vw,38px);line-height:1.15}
@media (max-width:900px){.findings-head{grid-template-columns:1fr;gap:18px}}
.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;list-style:none;margin:0;padding:0}
.cards li{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px}
.cards h3{font-size:20px;line-height:1.2;margin-bottom:10px}
.cards p{font-size:15px;line-height:1.6;color:var(--slate)}
@media (max-width:1000px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.cards{grid-template-columns:1fr}}

/* Who / not */
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:40px}
.panel h3{font-size:28px;margin-bottom:20px}
.panel ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;font-size:16px;line-height:1.6;color:var(--body)}
.panel b{color:var(--ink);font-weight:600}
@media (max-width:860px){.two{grid-template-columns:1fr}.panel{padding:30px 24px}}

/* About */
.about{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:64px;align-items:center}
.about img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius)}
.about h2{font-size:clamp(36px,4.4vw,52px);line-height:1.05;color:#fff}
.about h2 small{font-size:22px;font-weight:500;color:var(--on-navy-muted);letter-spacing:0}
.role{display:block;font-family:var(--text);font-size:15px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--signal-soft);margin:14px 0 24px}
.about .lead{color:var(--on-navy);margin-bottom:16px}
.creds{display:flex;flex-wrap:wrap;gap:20px 40px;border-top:1px solid var(--navy-line);padding-top:22px;margin-top:10px}
.creds b{display:block;font-family:var(--display);font-weight:700;font-size:20px;color:#fff}
.creds span{font-size:14px;color:var(--on-navy-muted)}
@media (max-width:900px){.about{grid-template-columns:1fr;gap:36px}.about img{max-width:340px}}

/* ACG band */
.acg{border-top:1px solid var(--navy-line);margin-top:72px;padding-top:44px;display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:64px;align-items:start}
.acg h3{font-size:24px;line-height:1.2;color:#fff}
.acg p{color:var(--on-navy-muted);font-size:16px;line-height:1.7}
.acg p+p{margin-top:12px}
@media (max-width:900px){.acg{grid-template-columns:1fr;gap:16px;margin-top:56px}}

/* Insights */
.insight{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,3fr);gap:32px;align-items:end;border-top:2px solid var(--navy);border-bottom:1px solid var(--line);padding:40px 0}
.insight h3{font-size:clamp(28px,3.4vw,40px);line-height:1.1;margin:10px 0 12px}
.status{justify-self:end;font-weight:600;color:var(--signal-text)}
@media (max-width:760px){.insight{grid-template-columns:1fr;gap:12px}.status{justify-self:start}}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:2px solid var(--navy);list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{padding:30px 26px 0;counter-increment:s}
.steps li:first-child{padding-left:0}
.steps li+li{border-left:1px solid var(--line)}
.steps li::before{content:counter(s);display:block;font-family:var(--display);font-weight:800;font-size:40px;line-height:1;color:var(--signal-text);margin-bottom:12px}
.steps h3{font-size:22px;margin-bottom:10px}
.steps p{font-size:15px;line-height:1.6;color:var(--slate)}
@media (max-width:1000px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.steps li:nth-child(3){padding-left:0;border-left:0}.steps li:nth-child(n+3){margin-top:30px}}
@media (max-width:560px){.steps{grid-template-columns:1fr}.steps li,.steps li:first-child{padding:26px 0 0;border-left:0}.steps li+li{border-top:1px solid var(--line);margin-top:26px}}

/* Contact */
.contact{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:64px}
.contact .lead{margin:22px 0 26px}
.contact-lines{display:flex;flex-direction:column;gap:12px;font-size:17px}
.contact-lines a{font-weight:600}
.contact-lines a.tel{color:var(--ink);text-decoration:none}
form.enquiry{background:var(--white);border-radius:var(--radius);padding:40px;display:flex;flex-direction:column;gap:20px}
.field-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
label{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:600}
input,select,textarea{font:inherit;font-size:16px;font-weight:400;color:var(--ink);background:#fff;border:1px solid #A9A193;border-radius:6px;padding:0 14px;min-height:50px;width:100%}
textarea{padding:12px 14px;resize:vertical;min-height:140px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--signal);outline-offset:1px;border-color:var(--navy)}
.hidden{position:absolute;left:-9999px}
.small{font-size:13px;color:var(--slate);font-weight:400}
@media (max-width:900px){.contact{grid-template-columns:1fr;gap:40px}}
@media (max-width:560px){.field-row{grid-template-columns:1fr}form.enquiry{padding:26px 20px}}

/* Footer */
.site-footer{background:var(--navy);color:var(--on-navy-muted);padding:56px 0 48px;font-size:14px}
.foot-top{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding-bottom:28px;border-bottom:1px solid var(--navy-line);margin-bottom:26px}
.foot-brand{display:flex;align-items:center;gap:14px;color:#fff;text-decoration:none}
.foot-brand img{height:30px;width:auto}
.foot-brand span{font-family:var(--display);font-weight:700;font-size:17px;padding-left:14px;border-left:1.5px solid var(--navy-line)}
.foot-links{display:flex;gap:22px;flex-wrap:wrap}
.site-footer a{color:var(--on-navy)}
.site-footer a:hover{color:#fff}
.legal{max-width:920px;line-height:1.65;font-size:13px}
.legal p+p{margin-top:8px}

/* Simple pages */
.page{padding:72px 0 96px}
.page .wrap{max-width:820px}
.page h1{font-size:clamp(34px,4.4vw,48px);line-height:1.08;margin-bottom:12px}
.page h2{font-size:22px;margin:40px 0 10px}
.page p,.page li{color:var(--body);font-size:17px;line-height:1.7}
.page p+p{margin-top:12px}
.page ul{padding-left:22px}
.page .updated{color:var(--slate);font-size:15px}
.thanks{min-height:60vh;display:flex;align-items:center}
.thanks .wrap{max-width:720px}
.thanks h1{font-size:clamp(36px,5vw,56px);line-height:1.05;margin:18px 0}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.site-header,.menu,form.enquiry{display:none}body{background:#fff}}