:root{color-scheme:light;--ink:#132735;--navy:#102632;--night:#091923;--muted:#4e626d;--paper:#f4f4ef;--white:#fff;--line:#d7dfe0;--amber:#f0a662;--accent:#87501f;--radius:7px;--wrap:1248px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.58 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}p{margin:0 0 1em}a{color:inherit}button,input,select{font:inherit}button{cursor:pointer}img{max-width:100%;vertical-align:middle}h1,h2,h3{margin:0;line-height:1.06;font-family:Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-.035em}h2{font-size:clamp(2.25rem,4.7vw,4.3rem)}h3{font-size:1.78rem}em{font-weight:400}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #a55b18;outline-offset:4px}.hero a:focus-visible,.feature a:focus-visible,.footer a:focus-visible{outline-color:#ffc180}.wrap{width:min(calc(100% - 104px),var(--wrap));margin-inline:auto}.skip{position:absolute;z-index:5;left:12px;top:-65px;padding:10px;background:#fff}.skip:focus{top:10px}.mast{background:#fff;border-bottom:1px solid #e7ebec}.mast-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:inline-flex;gap:13px;align-items:center;text-decoration:none;white-space:nowrap;color:inherit;letter-spacing:.14em;font-size:.96rem}.brand strong{font-weight:850}.mast nav,.footer nav{display:flex;flex-wrap:wrap;gap:clamp(15px,2.4vw,34px);align-items:center}.mast nav a,.footer nav a{text-decoration:none;font-size:.89rem;font-weight:650}.mast nav a:hover,.mast nav [aria-current],.footer nav a:hover{text-decoration:underline;text-underline-offset:6px}.menu{display:none;border:1px solid var(--line);padding:6px 11px;border-radius:4px;background:white;color:var(--ink)}
.eyebrow{margin:0 0 14px;font-weight:800;font-size:.72rem;letter-spacing:.17em;color:var(--accent);text-transform:uppercase}.hero{background:#0b1a25;color:#fff;min-height:clamp(465px,45vw,625px);display:grid;align-items:center;background-image:linear-gradient(90deg,rgba(7,19,29,.82) 0%,rgba(8,22,32,.65) 34%,rgba(8,22,32,.16) 69%,rgba(8,22,32,.06) 100%),url(terminal.webp);background-size:cover;background-position:center 58%}.hero-inner{padding-block:62px 70px}.hero .eyebrow,.feature .eyebrow,.subhero .eyebrow{color:#ffc18a}.hero .eyebrow span{display:inline-block;width:20px;height:1px;background:currentColor;margin-right:8px;vertical-align:middle}.hero h1{font-size:clamp(3.85rem,7.1vw,7.15rem);max-width:900px;letter-spacing:-.063em}.hero h1 em{color:#ffc184}.hero-inner>p:not(.eyebrow){max-width:510px;color:#eef3f3;font-size:clamp(1.02rem,1.65vw,1.28rem);margin:21px 0 25px}.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;border:1px solid transparent;border-radius:5px;padding:10px 17px;font-weight:760;font-size:.9rem;text-decoration:none;line-height:1.3}.primary{color:#182630;background:var(--amber)}.primary:hover{background:#ffbd80}.outline{color:#fff;border-color:#a0adb3;background:#10263250}.outline:hover{background:#203b4a}.dark{color:#fff;background:var(--navy)}.dark:hover{background:#254653}.neutral{color:var(--ink);border-color:#bcc8cc;background:#fff}.neutral:hover{background:#eaf0f1}button:disabled{opacity:.6;cursor:default}.text-link{font-weight:750;text-decoration-thickness:1px;text-underline-offset:4px;color:var(--accent)}
.tape{background:#e9efef;border-bottom:1px solid #d2dedf}.tape-inner{min-height:108px;display:grid;grid-template-columns:1.23fr 1fr 1fr 1fr 1.05fr;align-items:stretch}.tape-inner>div{border-left:1px solid #cbd7d9;display:flex;flex-direction:column;justify-content:center;padding:14px clamp(9px,2vw,27px)}.tape-inner>div:first-child{padding-left:0;border-left:0}.tape-inner p{margin:0}.tape-inner span{font-size:.76rem;color:#384e5b;font-weight:650}.tape-inner strong{font-size:clamp(1.3rem,2.55vw,2.25rem);font-weight:620;letter-spacing:-.05em;line-height:1.2}.tape-unit a{font-size:.79rem}
.section{padding-block:clamp(52px,6vw,89px)}.section .lead{margin:16px 0 0;color:var(--muted);font-size:1.1rem;max-width:640px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:30px}.card{background:white;border:1px solid var(--line);border-top:3px solid #b16d39;border-radius:var(--radius);padding:23px 23px 21px;min-height:198px;display:flex;flex-direction:column;align-items:flex-start}.card p:not(.eyebrow){color:var(--muted);margin:10px 0 17px}.card a{margin-top:auto}.feature,.subhero{color:#fff;background:var(--navy)}.feature-grid{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:center}.feature h2{color:#fff}.feature p:not(.eyebrow){color:#d6e1e6;max-width:510px;margin:16px 0 23px}.tool-list{border:1px solid #45606b;border-radius:var(--radius);background:#1a3442;padding:8px 19px}.tool-list a{display:flex;gap:20px;align-items:center;padding:17px 3px;text-decoration:none;border-bottom:1px solid #45606b}.tool-list a:last-child{border:0}.tool-list a:hover strong{text-decoration:underline;text-underline-offset:5px}.tool-list span{color:#ffc18a;font-size:.73rem;letter-spacing:.12em}.tool-list small,.tool-list strong{display:block}.tool-list small{color:#d4e0e5}.research-cta{margin-top:42px;padding:25px 30px;border:1px solid #d1dddd;background:#e9efef;display:flex;align-items:center;justify-content:space-between;gap:19px;border-radius:var(--radius)}.research-cta .eyebrow{margin-bottom:7px}.footer{background:#0b202d;color:#e2ebee;padding:37px 0 17px}.foot-top,.foot-bottom{display:flex;justify-content:space-between;gap:20px}.foot-top p{font-size:.83rem;color:#bacbd4;margin:12px 0}.footer nav{justify-content:flex-end;gap:11px 22px}.footer nav a{font-size:.82rem}.foot-bottom{margin-top:20px;border-top:1px solid #47606d;padding-top:13px;color:#bacbd4;font-size:.75rem}
.subhero{padding:55px 0 61px}.subhero h1{font-size:clamp(2.75rem,6vw,5.4rem);max-width:1000px}.subhero .wrap>p:last-child{color:#dce6e9;max-width:675px;margin:15px 0 0;font-size:1.1rem}.article{max-width:840px;padding-block:50px 70px}.copy{margin:0 0 33px}.copy h2,.sources h2,.lab h2,.tool-aside h2{font-size:clamp(1.6rem,3vw,2.55rem);margin:0 0 10px}.copy p{max-width:75ch;color:#2d424e}.sources{margin-top:35px;background:#e9efef;border:1px solid var(--line);padding:21px 26px;border-radius:var(--radius)}.sources ul{padding-left:20px;margin-bottom:0}.sources a,.copy a{color:var(--accent);text-underline-offset:4px}.table-box{overflow-x:auto;margin-top:22px}.table-box.section{padding-block:20px 0}table{width:100%;border-collapse:collapse;text-align:left;font-variant-numeric:tabular-nums}caption{text-align:left;padding:0 0 8px;font-weight:720}th,td{padding:9px 13px;border-bottom:1px solid var(--line)}thead{background:#e8efef}td{color:#334d5a}tbody th{font-weight:650}tbody tr:nth-child(2n){background:#f7f9f9}
.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,.36fr);gap:25px;align-items:start}.lab,.tool-aside{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(16px,3.1vw,32px)}.tool-aside{background:#e9efef}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin-bottom:17px}.fields label,.filters label{font-weight:690;font-size:.87rem;display:block}.fields input,.fields select,.filters select{width:100%;border:1px solid #afbdc4;background:#fff;color:var(--ink);padding:9px 10px;border-radius:4px;margin-top:5px;min-height:43px}.fields fieldset{min-width:0;border:1px solid var(--line);border-radius:5px;padding:12px 14px}.fields fieldset label+label{margin-top:10px}.fields legend{padding:0 6px;font-weight:780}.results{border-top:1px solid var(--line);margin-top:22px;padding-top:20px}.results .table-box{margin:4px 0 17px}.note{font-size:.9rem;color:#4c5e69}.lab-head{display:flex;align-items:end;justify-content:space-between;gap:18px;flex-wrap:wrap}.filters{display:flex;align-items:end;gap:10px;flex-wrap:wrap}.filters button{padding:9px 13px;border:1px solid #afbdc4;border-radius:4px;background:#fff;color:var(--ink);font-weight:750;min-height:43px}.chart{margin:0 0 12px;min-height:0}.chart svg{display:block;width:100%;height:auto;background:#f7faf9;border:1px solid var(--line);border-radius:4px}.chart-key{font-size:.88rem;font-weight:700;margin:18px 0 8px}.key-wti{color:#1f5c72}.key-brent{color:#9a4d15}.error{color:#9a241b;font-weight:750}.metric{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:8px 0 16px}.metric div{background:#e9efef;padding:9px;border-radius:4px}.metric span,.metric strong{display:block}.metric span{font-size:.76rem}.metric strong{font-size:1rem;overflow-wrap:anywhere}
@media(max-width:1050px){.wrap{width:calc(100% - 56px)}.article{width:min(calc(100% - 56px),840px)}.mast-inner{gap:16px}.mast nav{gap:14px}.feature-grid{gap:31px}}
@media(max-width:760px){.wrap,.article{width:calc(100% - 36px)}.mast-inner{min-height:67px;flex-wrap:wrap;padding-block:9px;gap:4px 11px}.mast .brand img{width:37px;height:37px}.mast nav{display:none;width:100%;padding:10px 0;gap:9px 20px}.mast nav.open{display:flex}.menu{display:inline-block}.hero{min-height:560px;align-items:start;background-image:linear-gradient(180deg,#081925 0%,#081925e8 47%,#08192530 76%,#08192510 100%),url(terminal.webp);background-position:69% bottom}.hero-inner{padding-block:48px 0}.hero .actions{gap:9px}.hero .btn{font-size:.83rem;padding-inline:11px}.hero h1{font-size:clamp(3.35rem,10vw,5.2rem)}.hero-inner>p:not(.eyebrow){max-width:455px}.tape-inner{grid-template-columns:repeat(3,minmax(0,1fr));min-height:auto}.tape-inner>div{padding:9px 8px}.tape-inner .tape-date{grid-column:1/-1;border-bottom:1px solid #cbd7d9;display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:10px}.tape-inner>div:nth-child(2){border-left:0;padding-left:0}.tape-inner .tape-unit{grid-column:1/-1;border-left:0;border-top:1px solid #cbd7d9;flex-direction:row;justify-content:space-between;padding-left:0;gap:8px}.cards,.feature-grid,.tool-layout{grid-template-columns:1fr}.cards{gap:11px;margin-top:24px}.card{min-height:0;padding:19px}.feature-grid{gap:22px}.research-cta,.foot-top{flex-direction:column;align-items:start}.footer nav{justify-content:flex-start}.subhero{padding:38px 0 42px}.lab-head{align-items:start}.table-box td,.table-box th{padding:8px;font-size:.82rem}.section{padding-block:46px}}
@media(max-width:380px){.hero h1{font-size:3.05rem}.hero .btn{font-size:.81rem;padding-inline:10px}.fields,.metric{grid-template-columns:1fr}.tape-inner strong{font-size:1.22rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}