/* Petrolity — site stylesheet v2 (Oct 2026) — Ullage identity, graphite / signal teal / warm white */
:root{
  --graphite:#14202B;
  --graphite-deep:#0C151D;
  --ink:#1B2730;
  --slate:#6B7C88;
  --line:#E3E0D8;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --teal:#1FB6B6;
  --teal-deep:#158F8F;
  --teal-tint:#E4F5F5;

  --font-head:"Outfit",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;

  --max:1160px;
  --gutter:clamp(20px,4vw,44px);
  --r:6px;
  --pill:999px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto} *{transition:none!important;animation:none!important}}

body{margin:0;font-family:var(--font-body);font-size:1rem;line-height:1.6;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--graphite);line-height:1.1;margin:0 0 .45em;letter-spacing:-.02em;font-weight:500}
h1{font-size:clamp(2.2rem,4.6vw,3.6rem)}
h2{font-size:clamp(1.6rem,2.8vw,2.2rem)}
h3{font-size:1.2rem;font-weight:500}
h4{font-size:1rem;font-weight:500}
p{margin:0 0 1em}
a{color:var(--graphite);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--teal-deep)}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px}
img,svg{max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.measure{max-width:62ch}
.lead{font-size:1.125rem;line-height:1.55;color:var(--slate);font-weight:400}
.skip{position:absolute;left:-999px;top:0;background:var(--teal);color:var(--graphite);padding:.5rem 1rem;font-family:var(--font-head)}
.skip:focus{left:var(--gutter);z-index:100}
.tm{font-size:.55em;vertical-align:super;line-height:0;margin-left:.08em;font-weight:500}

/* ---------- header ---------- */
.site-header{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:inline-flex;align-items:center;text-decoration:none}
.brand svg{height:30px;width:auto;display:block}
.nav{display:flex;gap:clamp(12px,2vw,26px);align-items:center;margin:0;padding:0;list-style:none}
.nav a{font-family:var(--font-head);font-weight:400;font-size:.95rem;color:var(--graphite);text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-bottom-color:var(--teal)}
.nav .cta{background:var(--graphite);color:#fff;padding:9px 16px;border-radius:var(--pill);border:0;font-weight:500}
.nav .cta:hover{background:var(--teal-deep);color:#fff}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:var(--pill);padding:7px 14px;font-family:var(--font-head);font-weight:500;color:var(--graphite);cursor:pointer}
@media (max-width:900px){
  .menu-btn{display:inline-block}
  .nav{display:none;position:absolute;left:0;right:0;top:64px;background:var(--paper);flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line);padding:8px var(--gutter) 16px}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav .cta{margin-top:12px;text-align:center}
}

/* ---------- hero ---------- */
.hero{background:var(--paper);padding:clamp(48px,7vw,88px) 0 clamp(40px,5vw,64px)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:center}
.hero h1{max-width:16ch}
.hero .lead{max-width:46ch}
.hero-mark{display:flex;justify-content:center}
.hero-mark svg{width:min(100%,300px);height:auto}
@media (max-width:820px){.hero .wrap{grid-template-columns:1fr;gap:24px}.hero-mark{order:-1;justify-content:flex-start}.hero-mark svg{width:120px}}

.hero.sub{padding:clamp(40px,5vw,64px) 0 clamp(24px,3vw,40px);border-bottom:1px solid var(--line)}
.hero.sub .wrap{grid-template-columns:1fr}
.hero.sub h1{max-width:20ch;font-size:clamp(2rem,4vw,3rem)}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-family:var(--font-head);font-weight:500;font-size:.95rem;padding:11px 20px;border-radius:var(--pill);text-decoration:none;border:1.5px solid transparent;cursor:pointer;line-height:1.2}
.btn-teal{background:var(--teal);color:var(--graphite);border-color:var(--teal)}
.btn-teal:hover{background:#27C4C4;border-color:#27C4C4;color:var(--graphite)}
.btn-ghost{background:transparent;color:var(--graphite);border-color:var(--graphite)}
.btn-ghost:hover{background:var(--graphite);color:#fff}
.btn-dark{background:var(--graphite);color:#fff;border-color:var(--graphite)}
.btn-dark:hover{background:var(--teal-deep);border-color:var(--teal-deep);color:#fff}
.on-dark .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.on-dark .btn-ghost:hover{background:#fff;color:var(--graphite)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* ---------- sections ---------- */
.section{padding:clamp(40px,6vw,72px) 0}
.section.tight{padding:clamp(28px,4vw,48px) 0}
.section.white{background:var(--white)}
.section.dark{background:var(--graphite);color:#C9D3D9}
.section.dark h2,.section.dark h3{color:#fff}
.section.dark p{color:#C9D3D9}
.section-head{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:28px;align-items:start;margin-bottom:28px}
.section-head p{margin:0;color:var(--slate)}
@media (max-width:820px){.section-head{grid-template-columns:1fr;gap:10px}}

/* home: divisions index */
.index{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.index > li{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:24px;padding:28px 0;border-bottom:1px solid var(--line);align-items:start}
.index .name{font-family:var(--font-head);font-weight:500;font-size:clamp(1.5rem,2.8vw,2.1rem);color:var(--graphite);letter-spacing:-.02em;line-height:1.05}
.index .name a{text-decoration:none}
.index .name a:hover{color:var(--teal-deep)}
.products{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.products li{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,3fr);gap:14px;align-items:baseline}
.products a{font-family:var(--font-head);font-weight:500;font-size:1.05rem;color:var(--graphite);text-decoration:none}
.products a:hover{color:var(--teal-deep)}
.products span{color:var(--slate);font-size:.95rem;line-height:1.5}
@media (max-width:720px){.index > li{grid-template-columns:1fr;gap:12px;padding:22px 0}.products li{grid-template-columns:1fr;gap:2px}}

/* columns */
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:clamp(20px,3vw,40px)}
.cols h3{margin-top:0;padding-top:12px;border-top:2px solid var(--teal);display:inline-block;padding-right:10px}
.cols p{color:var(--slate);font-size:.97rem}

/* definition rows */
.rows{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}
.row h3{margin:0;font-size:1.2rem}
.row p{margin-bottom:.4em}
.row p:last-child{margin-bottom:0}
.row ul{margin:.3em 0 0;padding-left:1.1em;color:var(--slate);font-size:.95rem}
.row li{margin:.2em 0}
@media (max-width:720px){.row{grid-template-columns:1fr;gap:8px;padding:20px 0}}
.division{font-family:var(--font-head);font-weight:500;font-size:clamp(1.4rem,2.6vw,1.9rem);letter-spacing:-.02em;color:var(--graphite);margin:0 0 16px;padding-top:40px}
.wrap > .division:first-child{padding-top:0}
.wrap > .lead.measure{margin:0 0 14px}

/* panels */
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.panel h3{margin-top:0}
.panel.dark{background:var(--graphite);border-color:var(--graphite);color:#C9D3D9}
.panel.dark h3{color:#fff}.panel.dark p{color:#C9D3D9}.panel.dark a{color:#fff}

/* facts strip */
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.facts div{background:var(--white);padding:20px 22px}
.facts .k{font-family:var(--font-head);font-weight:500;font-size:1.2rem;color:var(--graphite);display:block;margin-bottom:4px;letter-spacing:-.01em}
.facts .v{color:var(--slate);font-size:.93rem}

/* markets */
.markets{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.market{border-top:2px solid var(--teal);padding-top:14px}
.market h3{margin:0 0 .3em}
.market p{color:var(--slate);margin-bottom:.4em;font-size:.97rem}
.market ul{margin:0;padding-left:1.1em;color:var(--ink);font-size:.95rem}

/* table */
table{width:100%;border-collapse:collapse;font-size:.95rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:var(--font-head);font-weight:500;color:var(--graphite);background:var(--white)}

/* CTA band */
.cta-band{background:var(--graphite);color:#fff;padding:clamp(36px,5vw,60px) 0}
.cta-band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.cta-band h2{color:#fff;margin:0;max-width:22ch}
.cta-band p{color:#C9D3D9;margin:6px 0 0}

/* contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,64px)}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr}}
address{font-style:normal;line-height:1.6}
.contact-list{list-style:none;padding:0;margin:0 0 24px}
.contact-list li{padding:12px 0;border-bottom:1px solid var(--line)}
.contact-list .lbl{display:block;font-family:var(--font-head);font-weight:500;font-size:.85rem;color:var(--slate);margin-bottom:2px}
form{display:grid;gap:16px}
.field{display:grid;gap:6px}
.field.two{grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:600px){.field.two{grid-template-columns:1fr}}
label{font-family:var(--font-head);font-weight:500;font-size:.9rem;color:var(--graphite)}
input,select,textarea{font:inherit;font-size:1rem;padding:11px 14px;border:1px solid #CFD5D9;border-radius:var(--r);background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--teal);outline:3px solid rgba(31,182,182,.2)}
textarea{min-height:150px;resize:vertical}
.hp{position:absolute;left:-5000px}
.form-note{font-size:.9rem;color:var(--slate)}
.form-status{font-family:var(--font-head);font-weight:500;min-height:1.4em}
.form-status.ok{color:#158F8F}
.form-status.err{color:#B5392A}

/* ---------- footer ---------- */
.site-footer{background:var(--graphite-deep);color:#A9B6BF;padding:44px 0 28px;font-size:.92rem}
.site-footer .grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px;margin-bottom:32px}
@media (max-width:820px){.site-footer .grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.site-footer .grid{grid-template-columns:1fr}}
.site-footer h4{color:#fff;font-size:.9rem;margin-bottom:10px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:5px 0}
.site-footer a{color:#D7DEE3;text-decoration:none}
.site-footer a:hover{color:var(--teal)}
.site-footer .brand svg{height:26px}
.site-footer .tag{margin-top:12px;max-width:34ch;line-height:1.5}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-family:var(--font-head);font-size:.82rem;color:#8A98A3}