@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#102d36;--paper:#fff;--muted:#5b6b70;--copper:#dea776;--line:#d9e1e2;--light:#f3f6f6}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',Arial,sans-serif;font-size:16px;line-height:1.7}a{color:inherit;text-decoration:none}a:focus-visible{outline:3px solid #b87034;outline-offset:6px}header{height:106px;padding:0 6%;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{font-family:'Manrope',Arial,sans-serif;font-size:33px;line-height:1;font-weight:800;letter-spacing:3px;display:inline-block}.brand span{display:block;font-family:'DM Sans',Arial,sans-serif;font-size:10px;letter-spacing:2.2px;margin-top:9px;font-weight:500}nav{display:flex;gap:34px;font-size:14px}nav a:hover,footer a:hover{color:#a6642f}.location{font-size:14px;border-bottom:1px solid var(--ink);padding-bottom:4px}.location span{margin-left:24px}.hero{min-height:660px;position:relative;background:#102d36;color:white;display:flex;align-items:center;overflow:hidden}.hero-image,.hero-shade{position:absolute;inset:0}.hero-image{background-image:url('port-hero.png');background-size:cover;background-position:center}.hero-shade{background:linear-gradient(90deg,rgba(5,25,34,.91) 0%,rgba(5,25,34,.65) 48%,rgba(5,25,34,.06) 100%)}.hero-content{position:relative;width:100%;padding:75px 6% 110px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2.1px;margin:0 0 25px;color:#657779}.eyebrow.light{color:#e2b58e}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:'Manrope',Arial,sans-serif;font-weight:500}h1{font-size:clamp(45px,5.4vw,82px);line-height:1.13;letter-spacing:-3px;margin-bottom:27px}h1 em{font-family:Georgia,serif;font-weight:400;color:#e6b68d}h2{font-size:clamp(32px,3.25vw,49px);line-height:1.22;letter-spacing:-1.7px;margin-bottom:24px}h3{font-size:24px;line-height:1.3;letter-spacing:-.5px}.hero-copy{font-size:18px;line-height:1.8;color:#e1e7e9;margin-bottom:34px}.button{display:inline-flex;gap:45px;align-items:center;background:var(--copper);color:var(--ink);padding:15px 23px;font-size:14px;font-weight:700;transition:background .2s}.button:hover{background:#efc6a3}.button span{font-size:23px;line-height:1}.hero-bottom{position:absolute;bottom:25px;left:6%;right:6%;display:flex;justify-content:space-between;font-size:11px;letter-spacing:1.7px;border-top:1px solid #ffffff40;padding-top:20px}.hero-bottom b{padding:0 17px;font-weight:400;color:var(--copper)}.section{padding:100px 6%}.intro{display:grid;grid-template-columns:1fr 1.13fr;gap:8%}.intro-copy>p{max-width:650px;color:var(--muted)}.intro-copy .lead{font-size:25px;line-height:1.55;color:var(--ink);margin-bottom:24px}.facts{border-top:1px solid var(--line);padding-top:27px;margin-top:38px;display:flex;justify-content:space-between;gap:20px}.facts strong{display:block;font-family:'Manrope',Arial,sans-serif;font-size:30px;font-weight:500;line-height:1.3}.facts span{font-size:13px;color:var(--muted)}.materials{background:var(--light)}.section-top{display:flex;justify-content:space-between;align-items:end;gap:35px;margin-bottom:32px}.section-top>p{color:var(--muted);font-size:15px}.material-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #bdcacd;border-bottom:1px solid #bdcacd}.material{position:relative;padding:35px 32px 27px;border-right:1px solid #bdcacd}.material:first-child{padding-left:0}.material:last-child{border-right:0;padding-right:0}.material-number{font-size:13px;color:var(--muted)}.formula{font-family:'Manrope',Arial,sans-serif;font-size:54px;font-weight:500;letter-spacing:-2px;line-height:1.2;margin:37px 0 34px}.formula span{display:block;font-family:'DM Sans',Arial,sans-serif;font-size:11px;letter-spacing:2.3px;margin-top:9px;color:#657779}.material h3{font-size:23px}.material p{color:var(--muted);font-size:16px;min-height:110px}.material-foot{font-size:10px;letter-spacing:1.5px;font-weight:600;margin-top:30px}.materials-note{font-size:13px;color:var(--muted);margin:23px 0 0}.approach{display:grid;grid-template-columns:1fr 1.1fr;gap:9%}.approach-title>p:last-child{max-width:310px;color:var(--muted)}.steps article{display:flex;gap:29px;padding:28px 0;border-top:1px solid var(--line)}.steps article:last-child{border-bottom:1px solid var(--line)}.steps article>span{font-size:13px;padding-top:5px;color:#9b6236}.steps h3{margin-bottom:12px;font-size:23px}.steps p{color:var(--muted);margin:0;max-width:520px}.base{background:var(--ink);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px;position:relative;overflow:hidden}.base p:last-child{color:#c8d3d6;margin-bottom:0}.base-word{font-size:clamp(70px,10vw,152px);font-family:'Manrope',Arial,sans-serif;font-weight:700;letter-spacing:-6px;line-height:1;color:#ffffff14}.base-word span{display:block;font-family:'DM Sans',Arial,sans-serif;letter-spacing:2px;font-size:12px;font-weight:400;line-height:1.8;color:#a6b8bf;text-align:right;margin-top:27px}footer{padding:45px 6% 25px;display:grid;grid-template-columns:1fr 1fr auto;align-items:center;gap:35px}footer p{font-size:14px;color:var(--muted);margin:0}footer>a:last-of-type{font-size:14px}footer small{grid-column:1/-1;border-top:1px solid var(--line);padding-top:23px;margin-top:5px;font-size:12px;color:var(--muted)}@media(min-width:1700px){header,.section,footer{padding-left:max(6%,calc((100vw - 1500px)/2));padding-right:max(6%,calc((100vw - 1500px)/2))}}@media(max-width:850px){header{height:90px}.brand{font-size:28px}nav{gap:19px}.location{display:none}.hero{min-height:620px}.hero-content{padding-top:70px}h1{letter-spacing:-2px}.intro,.approach{grid-template-columns:1fr;gap:25px}.section{padding-top:65px;padding-bottom:65px}.section-top{display:block}.material{padding:25px 20px}.formula{font-size:40px}.material p{min-height:180px}.base-word{font-size:80px}footer{grid-template-columns:1fr auto}footer p{grid-column:1;grid-row:2}footer small{margin-top:0}footer>a:last-of-type{grid-column:2;grid-row:1}}@media(max-width:580px){header{padding:20px 6%;height:auto;flex-wrap:wrap;gap:22px}nav{gap:25px;font-size:13px;width:100%;justify-content:space-between}.brand span{font-size:9px}.hero{min-height:620px}.hero-image{background-position:65% center}.hero-shade{background:linear-gradient(90deg,#051922eb,#05192280)}.hero-content{padding-top:60px;padding-bottom:120px}h1{font-size:45px;letter-spacing:-1.8px}.hero-copy{font-size:16px}.hero-bottom{font-size:9px;letter-spacing:1px;gap:10px;flex-wrap:wrap}.hero-bottom b{padding:0 5px}.eyebrow{font-size:11px}.intro-copy .lead{font-size:22px}.facts strong{font-size:27px}.facts span{font-size:12px}.material-grid{grid-template-columns:1fr}.material,.material:first-child,.material:last-child{padding:28px 0;border-right:0;border-bottom:1px solid #bdcacd}.material:last-child{border-bottom:0}.formula{font-size:50px;margin:25px 0}.material p{min-height:0}.material-foot{margin-top:20px}.steps article{gap:19px}.base{display:block}.base-word{font-size:90px;margin-top:50px}.base-word span{text-align:left;font-size:11px;letter-spacing:1px}.base h2{font-size:37px}footer{gap:26px}footer p{font-size:13px}footer>a:last-of-type{font-size:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.compressors{border-bottom:1px solid var(--line)}.compressor-brand{font-size:40px;color:#9b6236;text-align:left;letter-spacing:0}.contact-email{margin-top:24px;font-size:20px}.contact-email a{text-decoration:underline;text-underline-offset:6px}nav{flex-wrap:wrap}@media(max-width:580px){nav{gap:16px;font-size:14px}.compressors [lang=fa]{line-height:2}}

@media(min-width:851px){.material-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.material{padding-left:24px;padding-right:24px}.formula{font-size:clamp(36px,3.6vw,54px)}.material p{min-height:160px}}@media(min-width:581px) and (max-width:850px){.material-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.material:nth-child(2){border-right:0}.material:nth-child(3){padding-left:0}.material:nth-child(n+3){border-top:1px solid #bdcacd}}

.news{background:var(--light)}.news-topics{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:36px}.news-topics span{font-size:14px;border:1px solid var(--line);padding:7px 12px}.weekly-report{border-top:3px solid var(--ink);padding-top:30px}.report-heading{display:flex;justify-content:space-between;gap:24px}.report-heading h3{font-size:32px;margin-bottom:12px}.report-date{font-size:14px;color:var(--muted)}.report-edition{font-family:Manrope,Arial,sans-serif;font-size:64px;line-height:1;color:#9b6236}.report-intro{max-width:850px;color:var(--muted)}.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 48px;margin-top:32px}.news-grid>article{border-top:1px solid var(--line);padding-top:24px}.news-category{font-size:14px;font-weight:700;color:#9b6236}.news-grid h3{font-size:25px}.news-grid p{font-size:16px}.editorial-note{color:var(--muted)}.source-link{display:inline-block;font-size:14px;text-decoration:underline;text-underline-offset:5px}.report-method{border-top:1px solid var(--line);margin-top:36px;padding-top:22px}.report-method summary{font-size:16px;cursor:pointer}.report-method p{margin-top:18px;color:var(--muted)}@media(max-width:580px){.news-grid{grid-template-columns:1fr;gap:26px}.report-heading h3{font-size:27px}.report-edition{font-size:42px}nav{justify-content:flex-start;gap:16px 22px}}