:root{color-scheme:light;--navy:#063e5b;--cyan:#008aab;--ink:#163447;--muted:#536b7b;--line:#dce6eb;--paper:#fff;--canvas:#f1f6f9}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:2rem}body{margin:0;background:var(--canvas);color:var(--ink);font-family:"Segoe UI",Arial,sans-serif;font-size:1.0625rem;line-height:1.75}a{color:inherit}a:focus-visible{outline:3px solid #ed9b29;outline-offset:5px}.layout{max-width:1600px;margin:auto;display:grid;grid-template-columns:290px minmax(0,1fr);align-items:start}aside{position:sticky;top:0;height:100dvh;padding:3rem 1.6rem;background:var(--navy);color:white;overflow:auto}.brand{display:block;font-size:1.3rem;line-height:1.45;font-weight:700;text-decoration:none;padding-bottom:2.7rem;border-bottom:1px solid #ffffff30}nav{display:grid;gap:.8rem;margin-top:2rem}nav a{display:grid;grid-template-columns:1.5rem minmax(0,1fr);gap:.7rem;text-decoration:none;font-size:.9375rem;line-height:1.5;padding:.8rem .4rem;border-radius:4px}nav a:hover,nav a:focus-visible{background:#ffffff15}nav span{color:#62d1df;font-weight:600}main{min-width:0;background:white;box-shadow:0 0 60px #063e5b08}.masthead{background:#e6f1f6;padding:4rem clamp(1.5rem,5vw,5rem) 3rem;border-top:8px solid var(--cyan)}h1{font-size:clamp(2rem,3.2vw,3.25rem);line-height:1.22;letter-spacing:-.035em;max-width:850px;margin:0 0 1.8rem;color:var(--navy)}.intro{font-size:1.1875rem;line-height:1.8;max-width:850px;margin:0}section{padding:3.5rem clamp(1.5rem,5vw,5rem);border-bottom:1px solid var(--line);scroll-margin-top:1rem}.section-heading{display:flex;gap:1.2rem;align-items:flex-start;margin-bottom:1.8rem}.ordinal{color:var(--cyan);font-size:1rem;font-weight:700;line-height:1.3;border-top:3px solid var(--cyan);padding-top:.6rem;margin-top:.4rem}h2{font-size:clamp(1.6rem,2.5vw,2.3rem);line-height:1.3;letter-spacing:-.02em;margin:0;color:var(--navy)}h3{font-size:1.25rem;line-height:1.5;margin:2rem 0 1rem;color:var(--navy)}p{margin:0 0 1.3rem}.body-copy{max-width:900px}.findings{list-style:none;padding:0;margin:1.6rem 0 2.5rem}.findings li{position:relative;padding:1rem 1rem 1rem 2.3rem;border-bottom:1px solid var(--line)}.findings li:before{content:"";position:absolute;left:.5rem;top:1.6rem;width:.4rem;height:.4rem;background:var(--cyan);border-radius:50%}figure{margin:2.5rem 0;padding:0;width:100%}figure a{display:block}figure img{display:block;width:100%;height:auto;max-width:100%;border:1px solid #e6edf1}section:last-child figure{margin:2.7rem 0}section:last-child figure+figure{padding-top:1.5rem;border-top:1px solid var(--line)}.forecast{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin:1.5rem 0 2.5rem}.forecast-item{background:#f1f8fb;padding:1.4rem .9rem}.forecast strong{font-size:1.55rem;color:var(--cyan);display:block;margin-bottom:.4rem}.forecast p{font-size:.9375rem;line-height:1.5;margin:0}@media(min-width:1600px){aside{border-radius:0 0 0 8px}}@media(max-width:1050px){.layout{grid-template-columns:240px minmax(0,1fr)}aside{padding:2rem 1.1rem}.forecast{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:760px){.layout{display:block}aside{position:static;height:auto;padding:1.5rem}.brand{padding-bottom:1rem;font-size:1.125rem}nav{grid-template-columns:1fr 1fr;gap:.2rem;margin-top:1rem}nav a{font-size:.875rem;padding:.6rem .2rem;gap:.4rem;grid-template-columns:1.3rem minmax(0,1fr)}.masthead{padding:2.4rem 1.5rem}.intro{font-size:1.0625rem}section{padding:2.5rem 1.5rem}.forecast{grid-template-columns:repeat(2,minmax(0,1fr))}.forecast-item:last-child{grid-column:1/-1}.section-heading{gap:.8rem}figure{margin:1.8rem 0}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{aside{display:none}.layout{display:block}main{box-shadow:none}section{break-inside:auto}figure{break-inside:avoid}.masthead{background:white}body{background:white}}
/* OASA / SSMA site framing */
:root{--navy:#025481;--cyan:#025481;--ink:#304c5c;--canvas:#fff}body{font-family:Roboto,"Segoe UI",Arial,sans-serif;background:white}main{max-width:1140px;margin:0 auto;box-shadow:none}.masthead{background:#f3f6f6;border-top:0;padding:3.5rem 2.5rem;margin:1.7rem 0 0}h1{font-size:clamp(2rem,3vw,3rem);letter-spacing:-.02em;font-weight:600}section{padding:3.5rem 2.5rem}h2{font-weight:600}.ordinal{display:none}.section-heading{display:block}.site-header{background:#fff;border-bottom:1px solid #eef1f4;position:relative;z-index:10}.header-inner{max-width:1380px;margin:auto;min-height:110px;display:flex;align-items:center;justify-content:space-between;padding:8px 28px;gap:2rem}.oasa-brand{display:block;flex-shrink:0}.oasa-brand img{display:block;width:72px;height:auto}.global-nav{margin:0;display:block}.global-nav ul{list-style:none;padding:0;margin:0}.global-nav>ul{display:flex;align-items:center;gap:1.7rem}.global-nav li{position:relative;display:flex;align-items:center}.global-nav a,.global-nav button{color:#025481;text-decoration:none;font-family:Poppins,Roboto,Arial,sans-serif;font-size:1rem;font-weight:400;line-height:1.5;border:0;background:none;padding:.8rem 0;cursor:pointer;display:inline-block}.global-nav a:hover,.global-nav button:hover{color:#007158}.global-nav .group-label{display:flex;align-items:center;gap:.75rem}.global-nav .submenu-toggle{margin-left:.6rem;padding:.8rem .2rem}.chevron{display:inline-block;width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin-top:-4px}.global-nav .submenu{display:none;position:absolute;top:100%;left:-1rem;min-width:220px;max-width:340px;background:#f3f5f8;padding:.5rem 0;box-shadow:0 6px 16px #00293f1a;z-index:20}.global-nav .submenu.is-open{display:block}.global-nav .submenu li{display:block}.global-nav .submenu a{display:block;padding:.65rem 1.1rem;font-family:Roboto,Arial,sans-serif;font-size:1rem}.global-nav .submenu a:hover{background:#e7edf2}.global-nav a[aria-current]{font-weight:600}.global-nav>ul>li:last-child .submenu{left:auto;right:0}.mobile-toggle{display:none;background:white;border:1px solid #025481;color:#025481;font:inherit;padding:.5rem .8rem;align-items:center;gap:.7rem}.funding{max-width:1140px;margin:2.5rem auto 0;padding:1.5rem 2.5rem}.funding img{display:block;width:min(100%,550px);height:auto;margin:auto}.site-footer{background:#0b3245;color:white;margin-top:2rem}.footer-inner{max-width:1140px;margin:auto;display:flex;align-items:flex-start;gap:6rem;padding:2rem 2.5rem}.footer-brand{text-align:center;flex-shrink:0;padding-top:.1rem}.footer-brand img{display:block;width:100px;height:auto;margin:auto}.social-links{display:flex;gap:7px;justify-content:center;margin-top:1.1rem}.social-links a{display:flex;align-items:center;justify-content:center;background:white;color:#025481;border-radius:50%;width:30px;height:30px}.social-links svg{width:14px;height:14px;fill:currentColor}.footer-navigation>h2{font-size:1rem;color:white;font-weight:700;line-height:1.5;margin:0 0 .6rem}.site-footer .global-nav>ul{display:block}.site-footer .global-nav>ul>li{display:flex;flex-wrap:wrap}.site-footer .global-nav a,.site-footer .global-nav button{color:white;font-family:Roboto,Arial,sans-serif;padding:.25rem 0}.site-footer .global-nav .submenu-toggle{padding:.25rem .3rem}.site-footer .global-nav .submenu{position:static;flex-basis:100%;background:#ffffff0a;box-shadow:none;margin:.3rem 0;padding:.5rem;max-width:none}.site-footer .global-nav .submenu a{padding:.4rem .7rem}.site-footer .global-nav .submenu a:hover{background:#ffffff15}.site-footer .global-nav a:hover{color:#8fd0e5}@media(max-width:1050px){.global-nav>ul{gap:1rem}.header-inner{padding:8px 22px;gap:1rem}.global-nav a,.global-nav button{font-size:.9375rem}}@media(max-width:850px){.header-inner{flex-wrap:wrap;min-height:100px}.mobile-toggle{display:flex}.site-header .global-nav{display:none;flex-basis:100%;padding:.5rem 0 1rem}.site-header .global-nav.is-open{display:block}.site-header .global-nav>ul{display:block}.site-header .global-nav>ul>li{display:flex;flex-wrap:wrap;border-top:1px solid #edf1f4}.site-header .global-nav a,.site-header .global-nav button{font-size:1rem;padding:.65rem .2rem}.site-header .global-nav .submenu{position:static;flex-basis:100%;box-shadow:none;max-width:none}.site-header .global-nav .submenu a{padding:.65rem 1rem}.masthead{margin-top:0;padding:2.5rem 1.5rem}section{padding:2.5rem 1.5rem}.footer-inner{gap:3rem;padding:2rem 1.5rem}.funding{padding:1rem 1.5rem}}@media(max-width:450px){.footer-inner{gap:1.6rem}.footer-brand img{width:86px}.footer-navigation{min-width:0}.site-footer .global-nav a,.site-footer .global-nav button{font-size:.9375rem}.oasa-brand img{width:65px}.header-inner{padding:8px 20px}}@media print{.site-header,.site-footer,.funding{display:none}.masthead{margin:0}}
.global-nav span{color:inherit;font-weight:400}
/* Shared phase pages */
.phase-navigation{max-width:1140px;margin:1.4rem auto 0;display:flex;border-bottom:1px solid var(--line);gap:0;padding:0 1rem}.phase-navigation>a{display:block;flex:1;padding:1rem;text-decoration:none;border-bottom:3px solid transparent;border-radius:0;font:inherit;font-size:1rem;line-height:1.5}.phase-navigation>a strong{display:block;font-weight:600;color:#025481}.phase-navigation>a span{display:block;color:#536b7b;font-size:.875rem;line-height:1.5;font-weight:400}.phase-navigation>a[aria-current]{border-bottom-color:#025481;background:#f3f6f6}.phase-navigation>a:hover{background:#f3f6f6}.page-nav{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;background:#fff;margin:0;padding:1.25rem 2.5rem;border-bottom:1px solid var(--line)}.page-nav a{display:block;padding:.3rem 0;font:inherit;font-size:.9375rem;line-height:1.5;text-decoration:none;color:#025481;border-bottom:1px solid transparent}.page-nav a:hover{border-color:#025481}.masthead>h2{font-size:1.35rem;line-height:1.6;margin:0 0 1rem;max-width:900px}.masthead>p{font-size:1.125rem;line-height:1.8;max-width:950px;margin-bottom:0}section>h2{margin:0 0 1.8rem}h4{font-size:1.0625rem;font-weight:600;line-height:1.5;color:#025481;margin:0 0 .8rem}.list-line{position:relative;padding-left:1.35rem;margin:.65rem 0}.list-line:before{content:"";position:absolute;left:0;top:.7rem;width:.35rem;height:.35rem;border-radius:50%;background:#025481}.clarification,.source-note{font-size:1rem;line-height:1.7;color:#435e70;background:#f3f6f6;border-left:3px solid #025481;padding:1rem 1.2rem;margin:1.5rem 0}.source-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;list-style:none;padding:0;margin:2rem 0}.source-metrics li{border:1px solid #dce6eb;border-top:3px solid #025481;padding:1.2rem;font-size:1.125rem;line-height:1.6;color:#163447}.source-diagram{list-style:none;padding:0;margin:1.5rem 0;border-left:3px solid #025481}.source-diagram li{padding:.75rem 1.25rem;border-bottom:1px solid #e3ebef;line-height:1.7}.method-step{padding:1.5rem 0;border-top:1px solid #dce6eb}.method-step>h3{margin:0 0 1rem}.method-step:last-child{padding-bottom:0}.worksheet-group{padding:1rem 0;border-top:1px solid #dce6eb}.worksheet-group ul{margin:0;padding-left:1.4rem}.worksheet-group li{margin:.4rem 0}figure.small-asset{display:inline-block;width:64px;margin:.5rem 1rem .5rem 0}figure.small-asset img{border:0}section ul:not(.source-metrics):not(.source-diagram){line-height:1.75}#d4 p{font-weight:400}section:last-child figure+figure{padding-top:0;border-top:0}#model figure+figure,#results figure+figure{padding-top:1rem;border-top:1px solid var(--line)}@media(max-width:760px){.phase-navigation{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:0;margin-top:.7rem}.phase-navigation>a{padding:.8rem 1.1rem;font-size:.9375rem}.phase-navigation>a span{font-size:.875rem}.page-nav{padding:1rem 1.5rem;gap:.5rem 1rem}.source-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem}.source-metrics li{padding:1rem;font-size:1rem}.masthead>h2{font-size:1.2rem}.masthead>p{font-size:1.0625rem}}@media(max-width:420px){.source-metrics{grid-template-columns:1fr}.phase-navigation>a{padding:.7rem .8rem}}@media print{.phase-navigation,.page-nav{display:none}.source-metrics{grid-template-columns:repeat(3,1fr)}}