/* Petrol Gang Recruitment
   Oilfield safety kit identity: Big Shoulders Display (headings) + Libre Franklin (reading),
   white reading pages, rig black bands, one reserved hi-vis yellow-green. */

/* Big Shoulders Display (variable 100-900) and Libre Franklin (variable 100-900), OFL 1.1 */
@font-face {
  font-family: 'Big Shoulders Display';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url(/assets/fonts/big-shoulders-display/big-shoulders-display-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Big Shoulders Display';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url(/assets/fonts/big-shoulders-display/big-shoulders-display-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Libre Franklin';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url(/assets/fonts/libre-franklin/libre-franklin-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Libre Franklin';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url(/assets/fonts/libre-franklin/libre-franklin-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root{
  --page:#FFFFFF;
  --page-alt:#F2F3F4;
  --crude:#0D0E10;
  --text-secondary:#52565C;
  --rig-black:#0D0E10;
  --hi-vis:#C8F31D;
  --link:#0D0E10;
  --border:#DADCDF;
  --border-strong:#7D8288;
  --on-dark:#FFFFFF;
  --on-dark-secondary:#C9CCD0;
  --font-heading:'Big Shoulders Display','Arial Narrow',sans-serif;
  --font-body:'Libre Franklin','Helvetica Neue',Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  color:var(--crude);
  background:var(--page);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5,h6{text-wrap:balance}
p{text-wrap:pretty}
a{color:var(--link);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
:focus-visible{outline:3px solid var(--crude);outline-offset:3px}
.basin-intro :focus-visible,.vacancy-invite :focus-visible,.footer :focus-visible{outline-color:var(--hi-vis)}

.nav{
  background:var(--page);border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:100;
}
.nav-inner{
  max-width:1240px;margin:0 auto;padding:1rem 1.5rem;
  display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
}
.nav-logo{display:flex;align-items:center;gap:.75rem;text-decoration:none}
.logo-mark{
  width:44px;height:44px;background:var(--hi-vis);
  border:2px solid var(--crude);border-radius:4px;
  display:flex;align-items:center;justify-content:center;
}
.logo-mark span{
  font-family:var(--font-heading);font-size:1.45rem;font-weight:800;line-height:1;
  color:var(--crude);
}
.logo-text{
  font-family:var(--font-heading);font-weight:800;font-size:1.65rem;
  color:var(--crude);
  display:block;line-height:1;
}
.nav-links{list-style:none;display:flex;gap:2rem;margin:0;padding:0}
.nav-links a{
  font-family:var(--font-body);font-size:.95rem;font-weight:600;
  color:var(--crude);text-decoration:none;
  padding:.35rem 0;position:relative;
}
.nav-links a::after{
  content:'';position:absolute;left:0;right:0;bottom:-4px;height:3px;background:transparent;
}
.nav-links a:hover::after{background:var(--crude);height:1px}
.nav-links a.active::after{background:var(--hi-vis);height:3px}
.nav-right{display:flex;align-items:center;gap:1rem}
.btn-nav{
  background:var(--hi-vis);color:var(--crude);
  padding:.7rem 1.3rem;font-weight:600;font-size:.92rem;
  font-family:var(--font-body);text-decoration:none;
  border:2px solid var(--crude);border-radius:4px;
  display:inline-block;
}
.btn-nav:hover{background:var(--crude);color:var(--on-dark)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;width:34px;height:26px;flex-direction:column;justify-content:space-between}
.nav-toggle span{height:3px;background:var(--crude);width:100%;display:block}
.nav-mobile{display:none;padding:1rem 1.5rem 1.5rem;background:var(--page);border-top:1px solid var(--border)}
.nav-mobile ul{list-style:none;margin:0 0 1rem;padding:0}
.nav-mobile li{padding:.6rem 0;border-bottom:1px solid var(--border)}
.nav-mobile a{color:var(--crude);font-family:var(--font-body);font-weight:600;font-size:1rem;text-decoration:none}
.nav-mobile a[aria-current]{text-decoration:underline;text-decoration-thickness:3px;text-decoration-color:var(--crude)}
.nav-mobile .btn-nav{text-decoration:none}
.nav-mobile.open{display:block}

.basin-intro{
  background:var(--page);color:var(--crude);
  padding:5rem 0 5.5rem;
  border-bottom:1px solid var(--border);
}
.basin-intro-inner{
  max-width:1240px;margin:0 auto;padding:0 1.5rem;
  display:grid;grid-template-columns:1.5fr 1fr;gap:4rem;align-items:center;
}
.basin-intro h1{
  font-family:var(--font-heading);font-weight:800;
  font-size:clamp(2.6rem,5.4vw,4.4rem);
  line-height:1.02;letter-spacing:-.01em;
  color:var(--crude);margin-bottom:1.5rem;
}
.basin-intro-summary{
  font-size:1.12rem;line-height:1.75;color:var(--text-secondary);
  margin-bottom:2rem;max-width:620px;
}
.basin-intro-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2.2rem}
.vacancy-button,.practice-button{
  padding:.9rem 1.6rem;font-weight:600;font-size:.98rem;
  font-family:var(--font-body);cursor:pointer;text-decoration:none;
  display:inline-flex;align-items:center;
  border:2px solid;border-radius:4px;
}
.vacancy-button{background:var(--hi-vis);color:var(--crude);border-color:var(--crude)}
.vacancy-button:hover{background:var(--crude);color:var(--on-dark)}
.practice-button{background:var(--page);color:var(--crude);border-color:var(--border-strong)}
.practice-button:hover{border-color:var(--crude)}
.basin-intro-facts{
  display:flex;gap:1.8rem;flex-wrap:wrap;list-style:none;
  padding-top:1.5rem;border-top:1px solid var(--border);
  font-size:.92rem;color:var(--text-secondary);
}
.basin-intro-facts li{display:flex;align-items:baseline;gap:.45rem}
.basin-intro-facts strong{color:var(--crude);font-weight:800;font-family:var(--font-heading);font-size:1.6rem;line-height:1}

.roles-panel{
  background:var(--page-alt);
  border:1px solid var(--border);border-radius:4px;
}
.roles-title{
  padding:1.2rem 1.5rem;margin:0;
  border-bottom:1px solid var(--border);
  font-family:var(--font-heading);font-size:1.6rem;font-weight:800;line-height:1.1;
  color:var(--crude);
}
.roles-list{list-style:none;margin:0;padding:0}
.roles-list li{
  display:flex;justify-content:space-between;align-items:baseline;gap:.25rem 1rem;flex-wrap:wrap;
  padding:.95rem 1.5rem;border-bottom:1px solid var(--border);
}
.roles-list li:last-child{border-bottom:none}
.role-name{font-weight:600;font-size:1rem;color:var(--crude)}
.role-meta{font-size:.9rem;color:var(--text-secondary)}

.section{padding:5.5rem 0}
.section-alt{background:var(--page-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-inner{max-width:1240px;margin:0 auto;padding:0 1.5rem}
.practice-heading{text-align:center;margin-bottom:3.5rem;max-width:820px;margin-left:auto;margin-right:auto}
.practice-heading h2{
  font-family:var(--font-heading);font-weight:800;
  font-size:clamp(2.2rem,4.4vw,3.3rem);
  color:var(--crude);line-height:1.05;margin-bottom:1.1rem;
}
.practice-heading p{
  font-size:1.05rem;color:var(--text-secondary);line-height:1.75;
  max-width:660px;margin:0 auto;
}

.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.employer-reason{
  background:var(--page);
  padding:1.9rem 1.75rem;
  border:1px solid var(--border);border-radius:4px;
}
.employer-reason h3{
  font-family:var(--font-heading);font-weight:800;font-size:1.65rem;
  color:var(--crude);margin-bottom:.75rem;line-height:1.08;
}
.employer-reason p{color:var(--text-secondary);font-size:.95rem;line-height:1.7}

.sector-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.sector-card{
  background:var(--page);
  padding:1.8rem 1.7rem;
  border:1px solid var(--border);border-radius:4px;
}
.sector-card h2,.sector-card h3{
  font-family:var(--font-heading);font-weight:800;font-size:1.55rem;
  color:var(--crude);margin-bottom:.6rem;line-height:1.08;
}
.sector-card p{color:var(--text-secondary);font-size:.93rem;line-height:1.65}

.process-band{
  padding:5rem 0;background:var(--page-alt);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.process-inner{max-width:1240px;margin:0 auto;padding:0 1.5rem}
.process-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:2.2rem;margin-top:2.8rem;
  list-style:none;padding:0;
}
.process-step{text-align:left;padding-top:1rem;border-top:3px solid var(--crude)}
.process-step h3{
  font-family:var(--font-heading);font-weight:800;font-size:1.55rem;
  color:var(--crude);margin-bottom:.55rem;line-height:1.08;
}
.process-step p{color:var(--text-secondary);font-size:.93rem;line-height:1.7}

.faq-grid{max-width:920px;margin:0 auto;display:grid;gap:1rem}
.employer-question{
  background:var(--page);
  padding:1.5rem 1.7rem;
  border:1px solid var(--border);border-radius:4px;
}
.employer-question h3{
  font-family:var(--font-heading);font-weight:800;font-size:1.45rem;
  color:var(--crude);margin-bottom:.5rem;line-height:1.1;
}
.employer-question p{color:var(--text-secondary);font-size:.95rem;line-height:1.7}

.vacancy-invite{
  background:var(--rig-black);color:var(--on-dark);
  padding:5rem 0;
}
.vacancy-invite-inner{max-width:820px;margin:0 auto;padding:0 1.5rem;text-align:center}
.vacancy-invite h2{
  font-family:var(--font-heading);font-weight:800;
  font-size:clamp(2.2rem,4.4vw,3.3rem);
  margin-bottom:1.1rem;line-height:1.05;color:var(--on-dark);
}
.vacancy-invite p{font-size:1.08rem;margin:0 auto 2rem;line-height:1.65;max-width:600px;color:var(--on-dark-secondary)}
.vacancy-invite .vacancy-button{border-color:var(--hi-vis)}
.vacancy-invite .vacancy-button:hover{background:var(--on-dark);color:var(--crude);border-color:var(--on-dark)}

.page-header{
  background:var(--page);color:var(--crude);
  padding:4rem 0 3.5rem;
  border-bottom:1px solid var(--border);
}
.page-header-inner{max-width:1240px;margin:0 auto;padding:0 1.5rem}
.page-header h1{
  font-family:var(--font-heading);font-weight:800;
  font-size:clamp(2.5rem,5vw,3.8rem);
  color:var(--crude);margin-bottom:1rem;line-height:1.04;
}
.page-header p{color:var(--text-secondary);font-size:1.1rem;max-width:680px;line-height:1.75}
.crumbs{margin-bottom:1.2rem;font-size:.9rem;color:var(--text-secondary)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;margin:0;padding:0}
.crumbs li+li::before{content:"/";margin:0 .5rem;color:var(--border-strong)}
.crumbs a{color:var(--link)}

.prose{max-width:820px;margin:0 auto}
.prose h2{
  font-family:var(--font-heading);font-weight:800;font-size:2.2rem;
  color:var(--crude);margin:2.8rem 0 1rem;line-height:1.05;
  padding-bottom:.6rem;border-bottom:1px solid var(--border);
}
.prose h2:first-child{margin-top:0}
.prose h3{
  font-family:var(--font-heading);font-weight:800;font-size:1.55rem;
  color:var(--crude);margin:1.9rem 0 .6rem;line-height:1.1;
}
.prose p,.prose li{color:var(--text-secondary);font-size:1rem;line-height:1.8;margin-bottom:1rem}
.prose ul{padding-left:1.2rem;margin-bottom:1rem}
.prose li{margin-bottom:.5rem}
.prose strong{color:var(--crude);font-weight:600}

.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:3rem;align-items:start}
.contact-info h2{
  font-family:var(--font-heading);font-weight:800;font-size:2rem;
  color:var(--crude);margin-bottom:1.5rem;line-height:1.05;
  padding-bottom:.7rem;border-bottom:1px solid var(--border);
}
.contact-list{margin:0}
.contact-row{margin-bottom:1.5rem}
.contact-row dt{
  font-weight:600;font-size:1rem;
  color:var(--crude);margin-bottom:.25rem;
}
.contact-row dd{margin:0;color:var(--text-secondary);font-size:.95rem;line-height:1.65}
.form-frame{
  background:var(--page);
  border:1px solid var(--border);border-radius:4px;
  overflow:hidden;
}
.form-frame iframe{width:100%;height:820px;border:none;display:block}

.footer{
  background:var(--rig-black);color:var(--on-dark-secondary);
  padding:4.5rem 0 1.8rem;
  border-top:1px solid var(--text-secondary);
}
.firm-directory{
  max-width:1240px;margin:0 auto;padding:0 1.5rem;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2.5rem;margin-bottom:3rem;
}
.firm-mark-inner{display:flex;align-items:center;gap:.75rem;margin-bottom:1.3rem}
.firm-mark .logo-mark{border-color:var(--hi-vis)}
.firm-mark .logo-text{color:var(--on-dark)}
.firm-mark p{color:var(--on-dark-secondary);font-size:.92rem;line-height:1.65;max-width:340px}
.directory-column h2{
  font-family:var(--font-heading);font-weight:800;font-size:1.4rem;
  color:var(--on-dark);margin-bottom:.9rem;line-height:1.1;
  padding-bottom:.55rem;border-bottom:1px solid var(--text-secondary);
}
.directory-column ul{list-style:none;margin:0;padding:0}
.directory-column li{margin-bottom:.55rem;font-size:.9rem;color:var(--on-dark-secondary)}
.directory-column a{color:var(--on-dark-secondary);text-decoration:none}
.directory-column a:hover{color:var(--on-dark);text-decoration:underline}
.firm-signoff{
  max-width:1240px;margin:0 auto;padding:1.6rem 1.5rem 0;
  border-top:1px solid var(--text-secondary);
  font-size:.85rem;color:var(--on-dark-secondary);
}

@media(max-width:960px){
  .nav-links,.nav-right{display:none}
  .nav-toggle{display:flex}
  .basin-intro{padding:3.5rem 0 4rem}
  .basin-intro-inner{grid-template-columns:1fr;gap:2.5rem}
  .why-grid,.sector-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:1.8rem}
  .contact-grid{grid-template-columns:1fr}
  .firm-directory{grid-template-columns:1fr 1fr;gap:2rem}
}
@media(max-width:640px){
  .why-grid,.sector-grid{grid-template-columns:1fr}
  .firm-directory{grid-template-columns:1fr}
  .section{padding:4rem 0}
  .process-grid{grid-template-columns:1fr}
}