:root{--bg:#f7faf8;--card:#fff;--ink:#142019;--muted:#5c6b62;--line:#dfe8e2;--accent:#087443;--accent2:#0b5c37;--soft:#e9f6ef;--warn:#fff6e4;--shadow:0 14px 40px rgba(20,32,25,.08);--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.65}a{color:var(--accent2);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(1120px,92vw);margin:auto}.topbar{background:#10231a;color:#e9f6ef;font-size:.86rem}.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding:8px 0}.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--ink);letter-spacing:-.02em}.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#0a8b51,#063b25);display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 8px 20px rgba(8,116,67,.25)}.navlinks{display:flex;align-items:center;gap:22px;font-weight:650;font-size:.94rem}.navlinks a{color:var(--ink)}.navlinks a:hover{color:var(--accent)}.menu{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:9px 12px;font-size:1rem}.hero{padding:74px 0 36px;background:radial-gradient(circle at 10% 10%,#e5f7ed 0,rgba(229,247,237,0) 42%),linear-gradient(180deg,#fff 0%,#f7faf8 100%)}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:42px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;background:var(--soft);border:1px solid #cbe8d7;padding:7px 10px;border-radius:999px;font-size:.8rem;font-weight:800;color:#0a5f3a;text-transform:uppercase;letter-spacing:.08em}.hero h1{font-size:clamp(2.5rem,5vw,4.5rem);line-height:1.02;letter-spacing:-.055em;margin:16px 0}.hero p{font-size:1.1rem;color:var(--muted);max-width:680px}.search{display:flex;gap:10px;margin-top:24px}.search input{flex:1;border:1px solid var(--line);border-radius:14px;padding:15px 16px;font-size:1rem;box-shadow:0 8px 24px rgba(20,32,25,.05)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:13px;padding:13px 17px;font-weight:800;cursor:pointer}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent2);text-decoration:none}.btn-secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}.hero-card{background:#0e2419;color:#fff;border-radius:24px;padding:28px;box-shadow:var(--shadow)}.hero-card h3{margin:0 0 12px}.hero-card ul{padding-left:20px;color:#d9e9df}.section{padding:58px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section h2{font-size:2rem;letter-spacing:-.035em;margin:0}.section-intro{color:var(--muted);max-width:760px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 8px 25px rgba(20,32,25,.04)}.card h3{margin:10px 0 8px;font-size:1.12rem}.card p{margin:0;color:var(--muted)}.icon{width:42px;height:42px;border-radius:13px;background:var(--soft);display:grid;place-items:center;color:var(--accent2);font-weight:900}.steps{display:grid;gap:14px}.step{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start;padding:18px;border:1px solid var(--line);border-radius:16px;background:#fff}.step-num{width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:900}.step h3{margin:0 0 5px}.step p{margin:0;color:var(--muted)}.notice{padding:16px 18px;border-radius:14px;background:var(--warn);border:1px solid #efd9aa;color:#6a5019}.safe{background:var(--soft);border-color:#c8e5d3;color:#1e5b3d}.faq{display:grid;gap:10px}.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}.faq summary{font-weight:800;cursor:pointer}.guide-hero{padding:44px 0 20px}.breadcrumbs{font-size:.9rem;color:var(--muted);margin-bottom:16px}.guide-layout{display:grid;grid-template-columns:1fr 320px;gap:30px}.article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:var(--shadow)}.article h1{font-size:clamp(2rem,4vw,3.2rem);line-height:1.08;letter-spacing:-.045em;margin:0 0 10px}.article .lede{font-size:1.08rem;color:var(--muted)}.article h2{margin-top:34px;font-size:1.5rem}.article h3{margin-top:24px}.article ul,.article ol{padding-left:22px}.sidebar{display:grid;gap:14px;align-self:start;position:sticky;top:92px}.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.side-card h3{margin:0 0 10px}.footer{margin-top:50px;background:#0d2017;color:#d7e6dc}.footer .wrap{padding:42px 0}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:28px}.footer a{color:#d7e6dc}.small{font-size:.85rem;color:#9fb4a7}.legal{background:#08160f;border-top:1px solid rgba(255,255,255,.08)}.legal .wrap{display:flex;justify-content:space-between;gap:16px;padding:14px 0;font-size:.78rem;color:#9fb4a7}.cookie{position:fixed;left:18px;right:18px;bottom:18px;z-index:50;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 20px 60px rgba(0,0,0,.16);display:none}.cookie.show{display:block}.cookie-inner{display:flex;gap:18px;align-items:center;justify-content:space-between}.cookie p{margin:0;color:var(--muted);font-size:.9rem}.cookie-actions{display:flex;gap:8px;flex-wrap:wrap}.tag{display:inline-flex;padding:5px 9px;border-radius:999px;background:#edf5f0;color:#315d48;font-size:.76rem;font-weight:800}.results{display:grid;gap:10px;margin-top:16px}.result{display:none;background:#fff;border:1px solid var(--line);padding:14px 16px;border-radius:14px}.result strong{display:block}.empty{display:none;color:var(--muted);padding:12px 2px}.contact{display:grid;grid-template-columns:1fr 1fr;gap:24px}.field{display:grid;gap:7px;margin-bottom:14px}.field label{font-weight:750}.field input,.field textarea{border:1px solid var(--line);border-radius:12px;padding:12px 13px;font:inherit}.field textarea{min-height:140px;resize:vertical}.kicker{color:var(--accent);font-weight:850}.divider{height:1px;background:var(--line);margin:30px 0}@media(max-width:850px){.hero-grid,.guide-layout,.contact,.footer-grid{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr}.navlinks{display:none}.menu{display:block}.sidebar{position:static}.hero{padding-top:50px}}@media(max-width:560px){.wrap{width:min(94vw,1120px)}.grid{grid-template-columns:1fr}.topbar .wrap{font-size:.78rem}.hero h1{font-size:2.7rem}.search{flex-direction:column}.cookie-inner{align-items:flex-start;flex-direction:column}.legal .wrap{flex-direction:column}.article{padding:24px 18px}}

/* Independent call CTA */
.independent-copy{display:flex;align-items:center;gap:12px;min-width:0}
.independent-copy strong{font-size:.86rem;white-space:nowrap}
.independent-copy span{font-size:.78rem;color:#b9d4c2;white-space:nowrap}
.call-button{display:inline-flex;align-items:center;gap:10px;border-radius:14px;text-decoration:none;white-space:nowrap;font-weight:800;line-height:1.05;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.call-button:hover{text-decoration:none;transform:translateY(-1px)}
.call-button small{display:block;font-size:.66rem;text-transform:uppercase;letter-spacing:.08em;opacity:.78;margin-bottom:3px}
.call-button strong{display:block;font-size:.94rem}
.call-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.16);font-size:1.05rem}
.call-button-top{padding:10px 14px;background:#0a8b51;color:#fff;box-shadow:0 8px 22px rgba(0,0,0,.16)}
.call-button-top:hover{background:#0b6f42;color:#fff}
.nav{position:relative}
.call-button-nav{padding:8px 11px;background:#0a8b51;color:#fff;box-shadow:0 7px 18px rgba(8,116,67,.18);margin-left:3px}
.call-button-nav:hover{background:#0b6f42;color:#fff}
.hero-call{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:16px;padding:14px 16px;border:1px solid #cbe8d7;border-radius:16px;background:#eefaf3}
.hero-call>div{display:grid;gap:2px}
.hero-call span{color:var(--muted);font-size:.86rem}
.call-button-hero{padding:12px 16px;background:#0a8b51;color:#fff;box-shadow:0 10px 25px rgba(8,116,67,.20)}
.call-button-hero:hover{background:#0b6f42;color:#fff}
.call-footer{margin:12px 0 2px}.call-footer a{display:inline-flex;align-items:center;gap:7px;font-weight:900;color:#fff;font-size:1rem}
.brand-section{padding-top:22px}
.brand-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.brand-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 8px 25px rgba(20,32,25,.04)}
.brand-card h3{margin:12px 0 7px;font-size:1.18rem}.brand-card p{margin:0 0 15px;color:var(--muted)}.brand-card a{font-weight:800}
.brand-pill{display:inline-flex;align-items:center;min-height:34px;padding:6px 10px;border-radius:10px;background:#10231a;color:#fff;font-size:.72rem;font-weight:900;letter-spacing:.08em}.brand-pill.shell,.brand-pill.chevron,.brand-pill.exxon,.brand-pill.bp{background:#10231a}
.brand-disclosure{margin-top:18px;padding:15px 17px;border:1px solid #d7e5dc;border-radius:14px;background:#f5faf7;color:#4f6357;font-size:.88rem}.brand-disclosure strong{color:var(--ink)}
.call-contact-card{display:grid;gap:10px}.call-button-contact{justify-content:center;width:100%;padding:13px 15px;background:#0a8b51;color:#fff}.call-button-contact:hover{background:#0b6f42;color:#fff}
.footer-brand-disclosure{max-width:1100px;margin:0 auto;padding:12px 22px 6px;text-align:center;font-size:.78rem;line-height:1.6;color:#9bb5a5}.footer-brand-disclosure strong{color:#c4d9ca}.footer-independence{padding:11px 0 18px;text-align:center;font-size:.76rem;color:#8fa799}.footer-independence a{color:#b8cec0}
@media(max-width:850px){
    .independent-copy{align-items:flex-start;flex-direction:column;gap:2px}
  .independent-copy strong,.independent-copy span{white-space:normal}
  .call-button-top{width:100%;justify-content:center}
  .nav{padding:12px 0}
  .navlinks.open{display:flex}.navlinks{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:0;background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 16px 16px;box-shadow:0 18px 32px rgba(20,32,25,.10);padding:8px;z-index:30}
  .navlinks a{padding:12px;border-radius:10px}.navlinks a:hover{background:var(--soft)}
  .call-button-nav{margin:4px 0 0;justify-content:center}
  .hero-call{align-items:stretch;flex-direction:column}
  .call-button-hero{justify-content:center}
  .brand-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .brand-grid{grid-template-columns:1fr}
    .call-button-top strong{font-size:1rem}
  .brand-card{padding:18px}
}

/* Brand guide pages */
.brand-library{padding-top:18px}.brand-link-card{display:block;color:var(--ink);transition:transform .15s ease,box-shadow .15s ease}.brand-link-card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow)}.brand-link-card span:last-child{font-weight:850;color:var(--accent2)}.brand-page-hero{padding:54px 0 28px;background:radial-gradient(circle at 90% 10%,#e5f7ed 0,rgba(229,247,237,0) 42%),linear-gradient(180deg,#fff 0%,#f7faf8 100%)}.brand-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch}.brand-visual{min-height:280px;border-radius:24px;background:linear-gradient(145deg,#13251c,#0a5130);color:#fff;padding:28px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden;box-shadow:var(--shadow)}.brand-visual:before,.brand-visual:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.08)}.brand-visual:before{width:230px;height:230px;right:-60px;top:-70px}.brand-visual:after{width:140px;height:140px;left:-40px;bottom:-50px}.brand-visual .big-brand{font-size:clamp(2.4rem,6vw,5rem);font-weight:950;letter-spacing:-.06em;position:relative;z-index:1}.brand-visual p{position:relative;z-index:1;color:#dcebe2;max-width:430px}.source-list{display:grid;gap:10px}.source-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid var(--line);padding:13px 15px;border-radius:13px}.brand-guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.brand-guide-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.brand-guide-card h3{margin:0 0 8px}.brand-guide-card p{color:var(--muted);margin:0 0 12px}.brand-guide-card ol{padding-left:20px;margin:0}.brand-guide-card li{margin:7px 0}.brand-fact{background:#eefaf3;border:1px solid #cbe8d7;border-radius:15px;padding:15px 17px;color:#345845}.brand-fact strong{color:#123f29}.brand-callout{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border-radius:17px;background:#0d2418;color:#fff}.brand-callout p{margin:0;color:#cfe2d6}.brand-callout .call-button{flex:none}.brand-notice{margin-top:18px;padding:15px 17px;border-radius:14px;background:#fff7e8;border:1px solid #efd7a6;color:#6c5221}.brand-notice strong{color:#4c360e}@media(max-width:850px){.brand-hero-grid,.brand-guide-grid{grid-template-columns:1fr}.brand-callout{flex-direction:column;align-items:stretch}.brand-callout .call-button{justify-content:center}}

/* Brand logo images */
.brand-logo-wrap{height:96px;display:flex;align-items:center;justify-content:center;margin-bottom:8px;background:#fff;border-radius:14px;overflow:hidden}
.brand-logo-card{display:block;width:auto;height:auto;max-width:90%;max-height:84px;object-fit:contain}
.brand-hero-logo{height:205px;border-radius:18px;background:#fff;display:flex;align-items:center;justify-content:center;position:relative;z-index:1;padding:14px;box-shadow:0 8px 24px rgba(0,0,0,.10)}
.brand-hero-logo img{display:block;width:auto;height:auto;max-width:100%;max-height:175px;object-fit:contain}
@media (max-width:720px){
 .brand-logo-wrap{height:88px}
 .brand-logo-card{max-height:76px}
 .brand-hero-logo{height:160px;padding:10px}
 .brand-hero-logo img{max-height:138px}
}

/* Mobile call CTA */
.mobile-call-bar{display:none}
.mobile-call-bar a{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;min-height:54px;padding:12px 18px;background:linear-gradient(135deg,#0b9a59 0%,#087443 100%);color:#fff;border:1px solid rgba(255,255,255,.16);border-radius:15px;font-weight:900;text-decoration:none;box-shadow:0 10px 24px rgba(8,116,67,.24),inset 0 1px 0 rgba(255,255,255,.18);letter-spacing:.01em;transition:transform .15s ease,box-shadow .15s ease,filter .15s ease}
.mobile-call-bar a:hover{background:linear-gradient(135deg,#0caa63 0%,#0a814b 100%);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:0 13px 28px rgba(8,116,67,.28),inset 0 1px 0 rgba(255,255,255,.2)}
.mobile-call-bar a:active{transform:translateY(0);box-shadow:0 8px 18px rgba(8,116,67,.22)}
.mobile-call-bar .mobile-call-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.17);font-size:1.12rem;box-shadow:inset 0 1px 0 rgba(255,255,255,.12)}
.mobile-call-text{display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:1}
.mobile-call-text strong{font-size:1rem;letter-spacing:.02em}
.mobile-call-text span{font-size:1rem;font-weight:850;letter-spacing:.01em}
@media(max-width:850px){.mobile-call-bar{display:block;position:sticky;top:73px;z-index:19;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding:9px 4vw 8px}}
@media(max-width:560px){.mobile-call-bar{top:68px;padding:8px 3vw 7px}.mobile-call-bar a{min-height:52px;border-radius:14px;padding:11px 14px}.mobile-call-bar .mobile-call-text{gap:7px}.mobile-call-bar .mobile-call-text strong,.mobile-call-bar .mobile-call-text span{font-size:.98rem}}


/* Clean top header: hamburger + phone CTA only */
.header .nav{min-height:70px;position:relative;justify-content:space-between}
.menu{display:flex;flex-direction:column;justify-content:center;gap:4px;width:46px;height:46px;padding:0;border:1px solid var(--line);background:#fff;border-radius:13px;box-shadow:0 5px 16px rgba(20,32,25,.08);cursor:pointer}
.menu span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);margin:0 auto;transition:transform .18s ease,opacity .18s ease}
.menu[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.call-button-header{padding:10px 15px;background:#0a8b51;color:#fff;box-shadow:0 8px 22px rgba(8,116,67,.18);margin-left:auto}
.call-button-header:hover{background:#0b6f42;color:#fff}
.header .navlinks{position:absolute;left:0;right:0;top:calc(100% - 1px);display:none;flex-direction:column;align-items:stretch;gap:0;background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 16px 16px;box-shadow:0 18px 32px rgba(20,32,25,.10);padding:8px;z-index:30}
.header .navlinks.open{display:flex}
.header .navlinks a{padding:12px;border-radius:10px}
.header .navlinks a:hover{background:var(--soft);text-decoration:none}
@media(max-width:560px){.header .nav{min-height:64px}.call-button-header{padding:9px 11px;border-radius:12px;gap:8px}.call-button-header .call-icon{width:31px;height:31px}.call-button-header small{font-size:.58rem}.call-button-header strong{font-size:.88rem}}