/* Palette (spec V2 §13): navy base, gold accent only, off-white for most content sections.
   Navy tokens live on :root; .light sections redefine them. */
:root{
  --bg:#0A1628; --surface:#10203A; --surface-2:#162A48; --ink:#F5F3EE; --muted:#B4BDCC; --line:#22385A;
  --brand:#D2AA2A; --brand-strong:#E6C24F; --brand-soft:#1E2A33; --on-brand:#0A1628;
  --lift:0 24px 48px rgba(3,10,22,.35);
  --f-display:"Plus Jakarta Sans",ui-sans-serif,system-ui,sans-serif;
  --f-body:"Inter",ui-sans-serif,system-ui,sans-serif;
  color-scheme:dark;
}
.light{--bg:#F7F5F0; --surface:#FFFFFF; --surface-2:#EFECE4; --ink:#0B1A33; --muted:#4B5568; --line:#E2DDD1;
  --brand-strong:#8A6A0F; --brand-soft:#F4ECD3; --lift:0 18px 40px rgba(11,26,51,.08); color-scheme:light}
.light.alt{background:var(--surface-2)}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--muted);font:400 16px/1.65 var(--f-body)}
img{max-width:100%;display:block}
[hidden]{display:none!important}
h1,h2,h3,h4{font-family:var(--f-display);margin:0;text-wrap:balance;color:var(--ink);font-weight:700;letter-spacing:-.015em}
button{font:inherit;color:inherit}
a{color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.skip{position:absolute;left:16px;top:-60px;z-index:20;padding:10px 16px;border-radius:8px;background:var(--brand);color:var(--on-brand);font-weight:600;text-decoration:none}
.skip:focus{top:16px}

/* primitives */
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:12px 24px;border:1px solid var(--line);background:transparent;cursor:pointer;font-weight:600;font-size:.92rem;white-space:nowrap;text-decoration:none;color:var(--ink);transition:transform .2s,box-shadow .2s,border-color .2s,color .2s}
.btn:hover{border-color:var(--brand)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px color-mix(in srgb,var(--brand) 35%,transparent)}
.btn.sm{padding:6px 10px;border-radius:8px}
.link{display:inline-flex;align-items:center;gap:8px;border:0;background:none;padding:0;cursor:pointer;color:var(--ink);font-weight:600;text-decoration:none;transition:color .2s}
.link:hover{color:var(--brand-strong)}
.arr{display:inline-block;transition:transform .2s}
.btn:hover .arr,.link:hover .arr,.info-rows a:hover .arr{transform:translateX(4px)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;flex:none}
.seg button{border:0;background:transparent;padding:5px 9px;cursor:pointer;color:var(--muted);font-size:.78rem;font-weight:600;letter-spacing:.04em}
.seg button.on{background:var(--brand);color:var(--on-brand)}
.eyebrow-s{display:inline-flex;align-items:center;gap:12px;font-size:.74rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-strong)}
.eyebrow-s::before{content:"";width:28px;height:2px;flex:none;background:var(--brand)}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.chips li{padding:4px 11px;border-radius:999px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-size:.78rem;font-weight:500}

/* nav */
.brand{display:flex;align-items:center;gap:10px;border:0;background:none;padding:0;cursor:pointer;text-align:left}
.brand img{width:36px;height:36px}
.brand .wm{font:700 1.02rem/1.05 var(--f-display);color:var(--ink)}
.brand .wm small{display:block;margin-top:3px;font:600 .58rem/1 var(--f-body);letter-spacing:.24em;text-transform:uppercase;color:var(--brand-strong)}
.site-nav{position:sticky;top:calc(env(safe-area-inset-top,0px) + 14px);z-index:10;margin:14px auto 0;width:min(1200px,calc(100% - 32px));display:flex;align-items:center;gap:20px;padding:10px 10px 10px 18px;border-radius:999px;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);box-shadow:0 10px 30px rgba(3,10,22,.35)}
.site-nav .links{display:flex;gap:2px;flex:1;justify-content:center;flex-wrap:wrap}
.site-nav .links button{border:0;background:none;padding:8px 12px;color:var(--ink);cursor:pointer;font:500 .9rem var(--f-body);transition:color .2s}
.site-nav .links button:hover{color:var(--brand-strong)}
.site-nav .cta{display:flex;gap:10px;align-items:center;margin-left:auto}
.site-nav .nav-cta{padding:10px 20px}
.site-menu{display:none}

/* sections */
.sec{scroll-margin-top:96px;padding-block:clamp(64px,8vw,112px);padding-inline:clamp(16px,4vw,64px);background:var(--bg);color:var(--muted)}
.wrap{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:clamp(32px,4vw,56px)}
.sec-head{display:flex;flex-direction:column;gap:14px;max-width:720px}
.sec-head h2{font-size:clamp(1.8rem,1.3rem + 1.6vw,2.6rem);line-height:1.15}
.sec-head p{margin:0;font-size:1.05rem}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,72px);align-items:start}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:clamp(22px,2.6vw,32px)}

/* 01 hero: full-width project image under a navy overlay */
#s-home{margin-top:-78px;padding-top:calc(78px + clamp(80px,12vw,160px));padding-bottom:clamp(80px,12vw,160px);background:linear-gradient(90deg,rgba(10,22,40,.94) 0%,rgba(10,22,40,.78) 45%,rgba(10,22,40,.30) 100%),url("../images/offshore.jpg") 65% 45%/cover no-repeat}
.hero{display:flex;flex-direction:column;gap:24px;max-width:640px}
.hero h1{font-size:clamp(2.5rem,1.4rem + 3.8vw,4.4rem);line-height:1.04;font-weight:800;letter-spacing:-.03em}
.hero .lead{margin:0;font-size:1.1rem;color:var(--ink)}
.actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}

/* 02 who we are: typography only */
.who h2{font-size:clamp(1.9rem,1.3rem + 2vw,3rem);line-height:1.12}
.who .text{display:flex;flex-direction:column;gap:16px;padding-top:8px}
.who .text p{margin:0;font-size:1.05rem}
.who .text p:first-child{color:var(--ink);font-size:1.15rem}

/* 03 expertise: 2x2 numbered cards */
.xp-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.xp{display:flex;flex-direction:column;gap:12px;transition:border-color .3s,transform .3s}
.xp:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--brand) 55%,var(--line))}
.xp .no{font:800 2rem/1 var(--f-display);color:var(--brand)}
.xp h3{font-size:1.3rem;line-height:1.25}
.xp .motto{font-weight:600;color:var(--ink)}
.xp .chips{margin-top:6px}
.models{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line)}
.models>h3{grid-column:1/-1;padding:28px 0 4px;font-size:1.1rem}
.models div{padding:16px 20px 0 0}
.models b{display:block;color:var(--ink);font-weight:600;margin-bottom:4px}
.models p{margin:0;font-size:.9rem}
.note{margin:0;font-size:.88rem}

/* 04 industries: bento of image cards, oil & gas emphasised */
.ind-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:minmax(220px,auto);gap:16px}
.ind{position:relative;overflow:hidden;border-radius:16px;border:1px solid var(--line);display:flex;align-items:flex-end;min-height:220px;isolation:isolate}
.ind img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .6s}
.ind:hover img{transform:scale(1.04)}
.ind::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(10,22,40,.95) 0%,rgba(10,22,40,.55) 55%,rgba(10,22,40,.1) 100%)}
.ind .txt{padding:24px;display:flex;flex-direction:column;gap:8px}
.ind h3{font-size:1.2rem;color:#F5F3EE}
.ind p{margin:0;font-size:.86rem;color:#D5DAE3}
.ind.main{grid-column:span 2;grid-row:span 2}
.ind.main h3{font-size:1.6rem}
.ind.wide{grid-column:span 2}
.ind.topo{background:repeating-radial-gradient(circle at 78% 22%,transparent 0 16px,color-mix(in srgb,var(--brand) 22%,transparent) 16px 17px),linear-gradient(160deg,#1A3156,#0A1628)}
.ind.topo::after{background:linear-gradient(0deg,rgba(10,22,40,.9),transparent 70%)}

/* 05 why PAS: typography-led columns */
.why{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.why div{display:flex;flex-direction:column;gap:10px;padding-top:20px;border-top:2px solid var(--brand)}
.why .lbl{font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-strong)}
.why h3{font-size:1.2rem}
.why p{margin:0;font-size:.92rem}

/* 06 lifecycle: responsive HTML, readable as an ordered list */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));counter-reset:s}
.steps li{position:relative;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;color:var(--ink);font-weight:600;font-size:.82rem;letter-spacing:.02em}
.steps li::before{counter-increment:s;content:counter(s,decimal-leading-zero);position:relative;z-index:1;width:44px;height:44px;flex:none;border-radius:50%;display:grid;place-items:center;background:var(--bg);border:1px solid var(--brand);color:var(--brand-strong);font-size:.78rem}
.steps li:not(:last-child)::after{content:"";position:absolute;top:22px;left:50%;width:100%;height:1px;background:linear-gradient(90deg,var(--brand),var(--line))}
.bands{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding-top:24px;border-top:1px solid var(--line)}
.bands>span{font-size:.74rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;margin-right:6px}

/* 07 representative experience */
.cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.case{display:flex;flex-direction:column;gap:12px}
.xlabel{align-self:flex-start;padding:4px 10px;border-radius:6px;background:var(--brand-soft);color:var(--brand-strong);font-size:.66rem;font-weight:700;letter-spacing:.12em}
.case .cat{font-size:.74rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.case h3{font-size:1.25rem}
.case p{margin:0;font-size:.92rem}
.case .chips{margin-top:auto;padding-top:8px}

/* 08 people */
.people{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.person{display:flex;flex-direction:column;gap:18px}
.person .portrait{align-self:center;width:136px;height:auto;aspect-ratio:1;object-fit:cover;border-radius:12px;background:#FFFFFF;border:1px solid var(--line)}
.person .body{display:flex;flex-direction:column;gap:12px;flex:1}
.person .chips{margin-top:auto;padding-top:4px}
.person h3{font-size:1.2rem}
.person .role{font-size:.86rem;font-weight:600;color:var(--brand-strong);margin-top:-6px}
.person p{margin:0;font-size:.92rem}

/* 09 approach + values */
.names{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.names div{display:flex;flex-direction:column;gap:6px}
.names b{font:700 1.3rem var(--f-display);color:var(--ink)}
.names p{margin:0;font-size:.92rem}
.philo{margin:0;padding:clamp(24px,3vw,36px);border-left:3px solid var(--brand);background:var(--surface);border-radius:0 16px 16px 0;display:flex;flex-direction:column;gap:6px}
.philo span{font-size:.74rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-strong)}
.philo b{font:700 clamp(1.4rem,1.1rem + 1.2vw,2.1rem)/1.2 var(--f-display);color:var(--ink)}
.flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-block:1px solid var(--line)}
.flow li{display:flex;flex-direction:column;gap:8px;padding:26px 20px;border-left:1px solid var(--line)}
.flow li:first-child{border-left:0}
.flow .n{font:800 1.6rem/1 var(--f-display);color:var(--brand)}
.flow h3{font-size:1.1rem}
.flow b{color:var(--ink);font-weight:600;font-size:.92rem}
.flow p{margin:0;font-size:.88rem}
.values{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}
.values>h3{grid-column:1/-1;font-size:1.1rem}
.values b{display:block;color:var(--ink);font:700 1.05rem var(--f-display);margin-bottom:4px}
.values p{margin:0;font-size:.88rem}

/* 10 global capability + digital */
.global .text{display:flex;flex-direction:column;gap:18px}
.global .text>p{margin:0}
.partner{display:flex;flex-direction:column;gap:18px}
.partner .pair{display:flex;align-items:center;gap:14px;font:800 1.6rem var(--f-display);color:var(--ink)}
.partner .pair span{color:var(--brand)}
.partner p{margin:0;font-size:.9rem}
.digital{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(20px,4vw,48px);align-items:center;padding:clamp(24px,3vw,36px);border-radius:16px;background:linear-gradient(135deg,var(--surface-2),var(--surface));border:1px solid var(--line)}
.digital h3{font-size:clamp(1.3rem,1.1rem + .8vw,1.8rem);margin-top:10px}
.digital p{margin:0}

/* 12 start a conversation */
.contact-h{display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center;max-width:760px;margin:0 auto}
.contact-h h2{font-size:clamp(2rem,1.3rem + 2.4vw,3.2rem);line-height:1.1}
.contact-h p{margin:0;font-size:1.05rem}
.info-rows{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.info-rows li>*{height:100%;display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:14px;align-items:start;padding:22px;border-radius:14px;border:1px solid var(--line);background:var(--surface);text-decoration:none;transition:border-color .2s}
.info-rows a:hover{border-color:var(--brand)}
.info-rows svg{color:var(--brand-strong);margin-top:2px}
.info-rows small{display:block;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase}
.info-rows b{color:var(--ink);font-weight:600;overflow-wrap:anywhere}

/* footer */
.site-foot{background:#07101E;border-top:1px solid var(--line);font-size:.9rem}
.foot-top{max-width:1200px;margin:0 auto;padding:56px clamp(16px,4vw,64px) 40px;display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:40px}
.foot-brand p{margin:16px 0 0;max-width:44ch}
.foot-brand .tagline{color:var(--ink);font-weight:500}
.foot-top h4{font:600 .74rem var(--f-body);letter-spacing:.14em;text-transform:uppercase;margin:0 0 16px}
.foot-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.foot-links button,.foot-links a{border:0;background:none;padding:0;cursor:pointer;color:var(--muted);text-decoration:none;text-align:left;transition:color .2s}
.foot-links button:hover,.foot-links a:hover{color:var(--brand-strong)}
.foot-links .fi{display:flex;gap:10px;align-items:flex-start}
.foot-links .fi svg{flex:none;margin-top:4px;color:var(--brand-strong)}
.foot-bottom{max-width:1200px;margin:0 auto;padding:22px clamp(16px,4vw,64px);border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.84rem}
.foot-bottom b{color:var(--ink)}
.foot-legal{display:flex;gap:20px;flex-wrap:wrap}
.foot-legal a{color:var(--muted);text-decoration:none;transition:color .2s}
.foot-legal a:hover,.foot-legal a[aria-current="page"]{color:var(--brand-strong)}

/* legal pages (#privacy, #terms) */
.sec.legal-sec{margin-top:-78px;padding-top:calc(78px + clamp(48px,7vw,88px))}
.legal{max-width:780px;display:flex;flex-direction:column;gap:18px}
.legal h1{font-size:clamp(2rem,1.4rem + 2vw,3rem);line-height:1.1;font-weight:800;letter-spacing:-.025em}
.legal .meta{font-size:.88rem}
.legal .intro{font-size:1.08rem;color:var(--ink)}
.legal h2{font-size:1.2rem;margin-top:18px;padding-top:22px;border-top:1px solid var(--line)}
.legal p{margin:0}
.legal ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px}
.legal li::marker{color:var(--brand)}
.legal a{color:var(--ink);font-weight:600}
.legal .switch{display:flex;gap:16px;flex-wrap:wrap;padding-top:22px;border-top:1px solid var(--line)}

@media (min-width:861px) and (max-width:1100px){
  .site-nav .links button{padding-inline:7px}.site-nav .nav-cta{display:none}
  .why,.models{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cases,.people{grid-template-columns:repeat(2,minmax(0,1fr))}
  .values{grid-template-columns:repeat(3,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(4,minmax(0,1fr));row-gap:28px}.steps li:nth-child(4)::after{display:none}
}
@media (max-width:860px){
  .site-menu{display:inline-flex}
  .site-nav{flex-wrap:wrap;border-radius:20px}
  .site-nav .links{display:none;order:3;flex-basis:100%;flex-direction:column;align-items:stretch}
  .site-nav.open .links{display:flex}
  .site-nav .links button{text-align:left;padding:12px}
  .site-nav .nav-cta{display:none}
  #s-home{background:linear-gradient(0deg,rgba(10,22,40,.95) 10%,rgba(10,22,40,.7)),url("../images/offshore.jpg") 60% 45%/cover no-repeat}
  .split,.xp-grid,.digital,.names{grid-template-columns:1fr}
  .why,.models,.cases,.people,.info-rows{grid-template-columns:1fr}
  .models div{padding-right:0}
  .ind-grid{grid-template-columns:1fr}.ind.main,.ind.wide{grid-column:auto;grid-row:auto}.ind.main{min-height:300px}
  .values{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow{grid-template-columns:1fr}.flow li{border-left:0}.flow li+li{border-top:1px solid var(--line)}
  .steps{grid-template-columns:1fr;gap:12px}
  .steps li{flex-direction:row;text-align:left}
  .steps li:not(:last-child)::after{top:44px;left:22px;width:1px;height:12px;background:var(--brand)}
  .foot-top{grid-template-columns:1fr}
}
@media (max-width:520px){.values{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}