/* ============================================================
   Ultimate Oil & Gas — site.css
   Palette: steel #1E2A33 · concrete #C9CDD2 · amber #F2A413
            off-white #F4F5F6 · rust #A64B2A
   Type: Oswald (display) · Barlow (body)
   ============================================================ */

:root{
  --steel:#1E2A33;
  --steel-deep:#162028;
  --steel-mid:#2C3A45;
  --concrete:#C9CDD2;
  --amber:#F2A413;
  --amber-dark:#D18C08;
  --offwhite:#F4F5F6;
  --rust:#A64B2A;
  --ink:#212D36;
  --body-color:#3C4952;
  --line:#D8DCE0;
  --line-dark:#37454F;
  --white:#FFFFFF;
  --display:"Oswald","Arial Narrow",Impact,sans-serif;
  --sans:"Barlow","Helvetica Neue",Arial,sans-serif;
  --maxw:1160px;
  --radius:2px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}

body{
  font-family:var(--sans);
  font-size:1.0625rem;
  line-height:1.65;
  color:var(--body-color);
  background:var(--offwhite);
  -webkit-font-smoothing:antialiased;
}

img,svg{max-width:100%;display:block}

a{color:var(--rust);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid var(--amber);outline-offset:2px;border-radius:var(--radius)
}

h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:600;
  color:var(--ink);
  line-height:1.12;
  letter-spacing:.01em;
  text-transform:uppercase;
}
h1{font-size:clamp(2.4rem,6vw,4.2rem);font-weight:700}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem)}
h3{font-size:1.25rem;letter-spacing:.03em}
p+p{margin-top:1em}

.container{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}

.eyebrow{
  font-family:var(--display);
  font-weight:500;
  font-size:.8rem;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--rust);
  display:flex;align-items:center;gap:.7rem;
  margin-bottom:.9rem;
}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--amber);flex:0 0 auto}
.on-dark .eyebrow,.eyebrow.on-dark{color:var(--amber)}

/* ---- hazard stripe & rules ---- */
.hazard{
  height:8px;
  background:repeating-linear-gradient(-45deg,var(--amber) 0 14px,var(--steel) 14px 28px);
}
.hazard--thin{height:5px}

/* ============ HEADER ============ */
.site-header{
  background:var(--steel);
  color:var(--offwhite);
  border-bottom:1px solid var(--line-dark);
  position:relative;
  z-index:50;
}
.site-header .container{
  display:flex;align-items:center;gap:1.5rem;
  min-height:74px;
}
.logo{
  display:flex;align-items:center;gap:.7rem;
  color:var(--offwhite);
  font-family:var(--display);
  font-weight:600;
  font-size:1.15rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  line-height:1.05;
}
.logo:hover{text-decoration:none;color:var(--white)}
.logo svg{width:38px;height:38px;flex:0 0 auto}
.logo .logo-sub{display:block;font-size:.58rem;letter-spacing:.34em;color:var(--concrete);font-weight:500}

.nav-toggle{
  display:none;
  margin-left:auto;
  background:none;border:1px solid var(--line-dark);
  color:var(--offwhite);
  font-family:var(--display);font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;
  padding:.55rem .9rem;cursor:pointer;border-radius:var(--radius);
}
.nav-toggle:hover{border-color:var(--amber);color:var(--amber)}

.site-nav{margin-left:auto;display:flex;align-items:center;gap:1.6rem}
.nav-links{display:flex;align-items:center;gap:1.4rem;list-style:none}
.nav-links a{
  color:var(--concrete);
  font-family:var(--display);
  font-weight:500;
  font-size:.85rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  padding:.4rem 0;
  border-bottom:2px solid transparent;
}
.nav-links a:hover{color:var(--white);text-decoration:none;border-bottom-color:var(--amber)}
.nav-links a[aria-current="page"]{color:var(--white);border-bottom-color:var(--amber)}

.header-phone{
  display:inline-flex;align-items:center;gap:.5rem;
  color:var(--steel);
  background:var(--amber);
  font-family:var(--display);font-weight:600;font-size:.9rem;letter-spacing:.06em;
  padding:.55rem .95rem;border-radius:var(--radius);
  white-space:nowrap;
}
.header-phone:hover{background:var(--white);text-decoration:none;color:var(--steel)}
.header-phone svg{width:15px;height:15px}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:var(--display);
  font-weight:600;
  font-size:.95rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  padding:.95rem 1.7rem;
  border-radius:var(--radius);
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease,color .15s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-amber{background:var(--amber);color:var(--steel)}
.btn-amber:hover{background:var(--white);color:var(--steel);box-shadow:0 6px 0 rgba(0,0,0,.25)}
.btn-ghost{background:transparent;color:var(--offwhite);border-color:var(--concrete)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn-steel{background:var(--steel);color:var(--offwhite)}
.btn-steel:hover{background:var(--steel-deep);color:var(--white);box-shadow:0 6px 0 rgba(30,42,51,.2)}

/* ============ HERO ============ */
.hero{
  background-color:var(--steel);
  background-image:
    linear-gradient(rgba(201,205,210,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(201,205,210,.055) 1px,transparent 1px);
  background-size:38px 38px;
  color:var(--offwhite);
  position:relative;
  overflow:hidden;
}
.hero .container{
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
  gap:3rem;
  align-items:center;
  padding-top:5rem;padding-bottom:5rem;
}
.hero h1{color:var(--white);margin-bottom:1.2rem}
.hero h1 .amp{color:var(--amber)}
.hero p.lead{font-size:1.2rem;color:var(--concrete);max-width:34em}
.hero-ctas{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}
.hero-note{margin-top:1.1rem;font-size:.9rem;color:var(--concrete);letter-spacing:.02em}
.hero-gauge{justify-self:center;width:min(340px,100%)}
.hero-gauge svg{width:100%;height:auto}

.gauge-caption{
  margin-top:.8rem;text-align:center;
  font-family:var(--display);font-size:.72rem;letter-spacing:.3em;
  text-transform:uppercase;color:var(--concrete);
}

/* page hero (subpages) */
.page-hero{
  background-color:var(--steel);
  background-image:
    linear-gradient(rgba(201,205,210,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(201,205,210,.05) 1px,transparent 1px);
  background-size:38px 38px;
  color:var(--offwhite);
}
.page-hero .container{padding-top:3.6rem;padding-bottom:3.6rem;max-width:var(--maxw)}
.page-hero h1{color:var(--white);font-size:clamp(2rem,5vw,3.2rem)}
.page-hero p{color:var(--concrete);max-width:44em;margin-top:.9rem;font-size:1.1rem}

/* ============ SCHEMATIC STRIP (P&ID motif) ============ */
.schematic{
  background:var(--offwhite);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:.4rem 0;
  color:#9AA3AA;
  overflow:hidden;
}
.schematic svg{width:100%;height:44px;display:block}
.schematic--dark{background:var(--steel-deep);border-color:var(--line-dark);color:#4E5E6A}

/* ============ SECTIONS ============ */
.section{padding:4.5rem 0}
.section-tight{padding:3.2rem 0}
.section-dark{background:var(--steel);color:var(--concrete)}
.section-dark h2,.section-dark h3{color:var(--white)}
.section-concrete{background:#E9EBED}
.section-head{max-width:46em;margin-bottom:2.4rem}
.section-head p{font-size:1.1rem}

/* ============ CAPABILITIES GRID (signature) ============ */
.cap-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border:1px solid var(--line);
  background:var(--line);
  gap:1px;
}
.cap-card{
  background:var(--white);
  padding:1.8rem 1.5rem 1.6rem;
  display:flex;flex-direction:column;gap:.85rem;
  position:relative;
  transition:background .15s ease;
}
.cap-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--amber);
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.cap-card:hover{background:#FDFDFD}
.cap-card:hover::before{transform:scaleX(1)}
.cap-top{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.cap-code{
  font-family:var(--display);font-weight:600;font-size:.72rem;
  letter-spacing:.22em;color:var(--steel);
  background:var(--amber);
  padding:.22rem .55rem;border-radius:var(--radius);
}
.cap-card svg.cap-icon{width:34px;height:34px;color:var(--steel);flex:0 0 auto}
.cap-card h3{font-size:1.15rem}
.cap-card p{font-size:.95rem;line-height:1.55}
.cap-spec{
  list-style:none;margin-top:auto;
  border-top:1px solid var(--line);padding-top:.85rem;
  display:flex;flex-direction:column;gap:.4rem;
}
.cap-spec li{
  font-size:.85rem;color:var(--body-color);
  display:flex;gap:.55rem;align-items:baseline;
}
.cap-spec li::before{content:"";width:7px;height:7px;background:var(--amber);flex:0 0 auto;transform:translateY(-1px)}
.cap-link{
  font-family:var(--display);font-weight:600;font-size:.8rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--rust);
}
.cap-link::after{content:" →"}

/* ============ SAFETY BAND ============ */
.safety-band{
  background:var(--steel-deep);
  color:var(--concrete);
  position:relative;
  overflow:hidden;
  border-top:8px solid transparent;
  border-image:repeating-linear-gradient(-45deg,var(--amber) 0 14px,var(--steel-deep) 14px 28px) 8;
}
.safety-band .hexes{
  position:absolute;right:-60px;top:50%;transform:translateY(-50%);
  width:520px;height:520px;opacity:.07;pointer-events:none;color:var(--concrete);
}
.safety-band .container{
  position:relative;
  display:grid;grid-template-columns:minmax(0,220px) minmax(0,1fr);
  gap:3rem;align-items:center;
  padding-top:4.2rem;padding-bottom:4.2rem;
}
.safety-band .band-gauge svg{width:100%;height:auto}
.safety-band h2{color:var(--white);margin-bottom:1rem}
.safety-band p{max-width:38em}
.safety-points{list-style:none;margin-top:1.4rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.8rem 2rem}
.safety-points li{display:flex;gap:.7rem;align-items:baseline;font-size:.98rem}
.safety-points li::before{content:"";width:9px;height:9px;background:var(--amber);flex:0 0 auto;transform:translateY(-1px)}
.safety-band .btn{margin-top:1.8rem}

/* ============ SECTOR CHIPS ============ */
.chip-row{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.4rem}
.chip{
  font-family:var(--display);font-weight:500;font-size:.82rem;
  letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink);
  border:1px solid var(--concrete);
  background:var(--white);
  padding:.5rem .95rem;border-radius:var(--radius);
}

/* ============ PROCESS STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);counter-reset:step}
.step{background:var(--white);padding:1.7rem 1.5rem;counter-increment:step}
.step .step-no{
  font-family:var(--display);font-weight:700;font-size:2rem;color:var(--concrete);
  line-height:1;margin-bottom:.7rem;
}
.step .step-no::before{content:counter(step,decimal-leading-zero)}
.step h3{font-size:1.05rem;margin-bottom:.5rem}
.step p{font-size:.95rem}

/* ============ SERVICE DETAIL SECTIONS ============ */
.svc{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:2.6rem;align-items:start;
  padding:3rem 0;border-top:1px solid var(--line);
}
.svc:first-of-type{border-top:none}
.svc-head svg{width:44px;height:44px;color:var(--steel);margin-bottom:1rem}
.svc-head .cap-code{display:inline-block;margin-bottom:.9rem}
.svc-head h2{font-size:clamp(1.5rem,3vw,2rem)}
.svc-body h3{font-size:.95rem;letter-spacing:.14em;color:var(--rust);margin:1.4rem 0 .6rem}
.svc-body h3:first-child{margin-top:0}

/* checklist */
.checklist{list-style:none;display:flex;flex-direction:column;gap:.55rem}
.checklist li{display:flex;gap:.7rem;align-items:baseline}
.checklist li::before{content:"";width:8px;height:8px;background:var(--amber);flex:0 0 auto;transform:translateY(-1px)}
.checklist--dark li::before{background:var(--amber)}

/* two-col utility */
.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2.5rem}
.three-col{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.panel{background:var(--white);padding:1.7rem 1.5rem}
.panel h3{font-size:1.05rem;margin-bottom:.6rem}
.panel p{font-size:.95rem}

/* ============ FAQ ============ */
.faq{max-width:52em}
.faq details{border:1px solid var(--line);background:var(--white);margin-top:-1px}
.faq summary{
  cursor:pointer;list-style:none;
  font-family:var(--display);font-weight:600;font-size:1rem;
  letter-spacing:.05em;text-transform:uppercase;color:var(--ink);
  padding:1.05rem 1.3rem;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--rust);flex:0 0 auto}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 1.3rem 1.2rem;max-width:60em}

/* ============ CTA BAND ============ */
.cta-band{
  background:var(--steel);color:var(--concrete);
  text-align:center;
}
.cta-band .container{padding-top:4rem;padding-bottom:4rem}
.cta-band h2{color:var(--white);margin-bottom:.8rem}
.cta-band p{max-width:40em;margin:0 auto}
.cta-band .hero-ctas{justify-content:center}

/* ============ FORMS ============ */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:3rem;align-items:start}
.form-card{background:var(--white);border:1px solid var(--line);border-top:4px solid var(--amber);padding:2rem 1.8rem}
.form-card h2{font-size:1.4rem;margin-bottom:.4rem}
.form-intro{font-size:.95rem;margin-bottom:1.4rem}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.1rem}
.field{display:flex;flex-direction:column;gap:.35rem}
.field-full{grid-column:1 / -1}
.field label{
  font-family:var(--display);font-weight:500;font-size:.78rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--ink);
}
.field .opt{color:#8A939B;letter-spacing:.08em;text-transform:none;font-family:var(--sans);font-size:.78rem}
.field input,.field select,.field textarea{
  font-family:var(--sans);font-size:1rem;color:var(--ink);
  background:var(--offwhite);
  border:1px solid var(--concrete);
  border-radius:var(--radius);
  padding:.7rem .8rem;
  width:100%;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--steel)}
.field textarea{min-height:140px;resize:vertical}
.form-fineprint{font-size:.83rem;color:#6B747C;margin-top:1rem;line-height:1.55}
.form-card .btn{margin-top:1.2rem;width:100%}
.hp-field{display:none !important;visibility:hidden;position:absolute;left:-9999px}

.contact-aside{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line)}
.contact-block{background:var(--white);padding:1.6rem 1.5rem}
.contact-block h3{font-size:1rem;margin-bottom:.5rem}
.contact-block p{font-size:.95rem}
.contact-big{
  font-family:var(--display);font-weight:600;font-size:1.5rem;color:var(--steel);
  letter-spacing:.03em;display:inline-block;margin-top:.3rem;
}
a.contact-big:hover{color:var(--rust);text-decoration:none}

/* ============ LEGAL / PROSE ============ */
.prose{max-width:52em}
.prose h2{font-size:1.35rem;margin:2.2rem 0 .8rem}
.prose h2:first-child{margin-top:0}
.prose ul{margin:.8rem 0 .8rem 1.2rem}
.prose li{margin-top:.35rem}
.prose .updated{
  font-family:var(--display);font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;
  color:#78828A;margin-bottom:2rem;
}

/* ============ FOOTER ============ */
.site-footer{background:var(--steel-deep);color:var(--concrete)}
.site-footer .container{
  display:grid;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,.8fr));
  gap:2.5rem;padding-top:3.5rem;padding-bottom:2.5rem;
}
.site-footer .logo{margin-bottom:1rem}
.site-footer p{font-size:.92rem;max-width:30em}
.footer-head{
  font-family:var(--display);font-weight:600;font-size:.8rem;
  letter-spacing:.24em;text-transform:uppercase;color:var(--amber);
  margin-bottom:.9rem;
}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:.5rem}
.footer-links a{color:var(--concrete);font-size:.95rem}
.footer-links a:hover{color:var(--white)}
.footer-contact{list-style:none;display:flex;flex-direction:column;gap:.5rem;font-size:.95rem}
.footer-contact a{color:var(--white)}
.footer-bottom{border-top:1px solid var(--line-dark)}
.footer-bottom .container{
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;
  padding-top:1.2rem;padding-bottom:1.2rem;
  font-size:.85rem;color:#8B959D;
}
.footer-bottom a{color:var(--concrete)}
.footer-bottom a:hover{color:var(--white)}

/* ============ ERROR / THANKS ============ */
.status-page{min-height:60vh;display:flex;align-items:center}
.status-page .container{padding-top:4rem;padding-bottom:4rem;max-width:44em}
.status-code{
  font-family:var(--display);font-weight:700;font-size:clamp(4rem,14vw,8rem);
  color:var(--concrete);line-height:1;
}
.status-page h1{font-size:clamp(1.8rem,4vw,2.6rem);margin:.4rem 0 1rem}
.status-page .hero-ctas{margin-top:1.6rem}

/* ============ REVEAL (JS progressive enhancement) ============ */
@media (prefers-reduced-motion:no-preference){
  .js .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
  .js .reveal.is-visible{opacity:1;transform:none}
}

/* ============ RESPONSIVE ============ */
@media (max-width:1000px){
  .cap-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero .container{grid-template-columns:1fr;gap:2.4rem}
  .hero-gauge{width:min(280px,80%)}
  .safety-band .container{grid-template-columns:1fr;gap:2rem}
  .safety-band .band-gauge{max-width:220px}
}
@media (max-width:860px){
  .nav-toggle{display:inline-block}
  .js .site-nav{
    display:none;
    position:absolute;top:100%;left:0;right:0;
    background:var(--steel-deep);
    border-bottom:1px solid var(--line-dark);
    padding:1rem 1.25rem 1.4rem;
  }
  .js .site-nav.open{display:block}
  .js .nav-links{flex-direction:column;align-items:flex-start;gap:.2rem}
  .js .nav-links a{display:block;padding:.55rem 0;font-size:1rem}
  .js .site-nav .header-phone{margin-top:1rem}
  .no-js .site-nav{margin-left:auto;flex-wrap:wrap;justify-content:flex-end}
  .no-js .nav-links{flex-wrap:wrap;gap:.8rem}
}
@media (max-width:760px){
  .steps,.three-col{grid-template-columns:1fr}
  .svc{grid-template-columns:1fr;gap:1.4rem}
  .two-col{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .site-footer .container{grid-template-columns:1fr;gap:2rem}
  .section{padding:3.2rem 0}
}
@media (max-width:560px){
  .cap-grid{grid-template-columns:1fr}
  .hero .container{padding-top:3.4rem;padding-bottom:3.4rem}
  .btn{width:100%}
  .hero-ctas{flex-direction:column;align-items:stretch}
  .cta-band .hero-ctas{align-items:center}
}

/* print */
@media print{
  .site-header,.site-footer,.hazard,.schematic,.cta-band{display:none}
  body{background:#fff;color:#000}
}