:root{--ink:#15344a;--deep:#073650;--teal:#0b6a7c;--blue:#1288a5;--paper:#f7f5f0;--line:#d8d6ce;--muted:#64747c;--white:#fff;--serif:Georgia,"Times New Roman",serif;--sans:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.55}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.wrap{width:min(1400px,calc(100% - 72px));margin-inline:auto}.srOnly{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.siteHeader{height:76px;background:rgba(251,250,247,.97);border-bottom:1px solid #e7e3dc;position:sticky;top:0;z-index:50;backdrop-filter:blur(16px)}.headerInner{width:min(1480px,calc(100% - 48px));height:100%;margin:auto;display:flex;align-items:center;gap:38px}.brand{display:flex;align-items:center;gap:13px;min-width:265px}.brandMark{width:43px;height:43px;border:1px solid #b79f7b;border-radius:50%;display:grid;place-items:center;font:600 24px var(--serif);color:#173f58;outline:1px solid #d7c9b2;outline-offset:-5px}.brand strong{display:block;font:600 20px/1 var(--serif);letter-spacing:.12em}.brand small{display:block;font-size:7px;letter-spacing:.18em;margin-top:6px;color:#687781}.mainNav{display:flex;justify-content:center;gap:32px;flex:1}.mainNav a{text-transform:uppercase;font-size:11px;font-weight:700;letter-spacing:.05em;padding:29px 0;position:relative}.mainNav a:hover:after{content:"";position:absolute;bottom:16px;left:0;right:0;height:2px;background:var(--teal)}.headerActions{display:flex;align-items:center;gap:12px}.headerActions button{border:0;background:none;font-size:25px;color:var(--ink);cursor:pointer}.observatoryBtn{padding:10px 15px;background:var(--deep);color:#fff;border-radius:4px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em}.menuButton{display:none;border:0;background:none;font-size:24px}
.hero{height:520px;position:relative;color:#fff;background:linear-gradient(90deg,#082e42 0%,rgba(8,46,66,.58) 44%,rgba(8,46,66,.14) 75%),linear-gradient(145deg,#1c5264,#68796a 42%,#173c53 72%,#071f31);overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background-image:url("/assets/fleuves-hero.webp");background-size:cover;background-position:center;opacity:.86}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,34,50,.87) 0%,rgba(5,34,50,.48) 46%,rgba(5,34,50,.06) 78%)}.heroShade{position:absolute;inset:0;background:linear-gradient(0deg,rgba(3,30,45,.2),transparent 55%)}.heroInner{position:relative;z-index:2;height:100%;padding-top:50px}.heroKicker{font-size:10px;font-weight:700;letter-spacing:.2em;margin:0 0 14px;color:#d6e3e4}.hero h1{font:400 clamp(42px,4.3vw,68px)/.98 var(--serif);letter-spacing:-.035em;margin:0;max-width:720px;text-shadow:0 2px 16px rgba(0,0,0,.22)}.heroIntro{max-width:600px;font-size:15px;line-height:1.55;margin:18px 0 18px;color:#eef4f4}.searchBox{width:min(520px,100%);height:48px;display:flex;position:relative;border-radius:4px;box-shadow:0 8px 30px rgba(0,0,0,.22)}.searchBox input{flex:1;border:0;background:#fff;padding:0 18px;border-radius:4px 0 0 4px;color:#18394d;outline:0}.searchBox button{width:54px;border:0;background:#073b59;color:#fff;font-size:25px;border-radius:0 4px 4px 0;cursor:pointer}.searchResults{position:absolute;top:52px;left:0;right:0;background:#fff;color:var(--ink);border-radius:4px;box-shadow:0 16px 40px rgba(0,0,0,.22);overflow:hidden}.searchResults a{display:flex;justify-content:space-between;padding:11px 15px;border-bottom:1px solid #eee}.searchResults span{font-size:12px;color:var(--muted)}.heroMetrics{display:flex;background:rgba(251,250,247,.96);color:var(--ink);width:max-content;max-width:100%;margin-top:14px;border-radius:3px;overflow:hidden}.heroMetrics div{padding:9px 20px;border-right:1px solid #ddd;min-width:152px}.heroMetrics b{display:block;font:600 16px var(--serif)}.heroMetrics span{display:block;font-size:8px;text-transform:uppercase;letter-spacing:.07em;color:#6c7b83}.mapCta{position:absolute;right:0;bottom:30px;background:rgba(7,48,70,.88);border:1px solid rgba(255,255,255,.25);padding:12px 18px;border-radius:28px;font-size:12px}.mapCta b{margin-left:12px}
.entryStrip{background:#fbfaf7;border-bottom:1px solid var(--line)}.entryGrid{display:grid;grid-template-columns:repeat(5,1fr)}.entry{min-height:130px;padding:24px 26px;border-right:1px solid var(--line);display:grid;grid-template-columns:32px 1fr;grid-template-rows:auto auto 1fr;column-gap:10px}.entry:first-child{border-left:1px solid var(--line)}.entry i{font-style:normal;font-size:25px;color:#55798c;grid-row:1/4}.entry b{font:600 16px var(--serif)}.entry span{font-size:11px;color:#66777f;max-width:180px;margin-top:7px}.entry em{font-style:normal;margin-top:8px;color:var(--teal)}
.sectionTitle{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:15px}.sectionTitle>div>span,.sectionTitle>span{display:block;font-size:9px;font-weight:800;letter-spacing:.12em;color:#395f70}.sectionTitle h2{font:500 22px var(--serif);margin:4px 0 0}.sectionTitle a{font-size:11px;color:#536a75}.sectionTitle a b{margin-left:8px}.sectionTitle>div>span:before{content:"";display:inline-block;width:18px;height:2px;background:#315f73;vertical-align:middle;margin-right:10px}
.feature{display:grid;grid-template-columns:290px 1fr 230px;min-height:285px;margin-top:34px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 30px rgba(20,45,60,.04)}.featureIntro{padding:25px 26px}.featureIntro>span,.featureMenu>b,.franceText>span,.basinText>span{font-size:8px;font-weight:800;letter-spacing:.14em}.featureIntro h2{font:500 27px var(--serif);margin:6px 0}.featureIntro p{font-size:11px;color:#5f7078}.featureIntro dl{margin:15px 0}.featureIntro dl div{display:flex;justify-content:space-between;font-size:9px;padding:5px 0;border-top:1px solid #ecebe7}.featureIntro dd{margin:0;font-weight:700}.featureIntro>a,.featureMenu>a,.francePanel a,.guideCard span,.dataDeck article>a,.trust a{font-size:10px;font-weight:700;color:#17637a}.featureImage{background:linear-gradient(0deg,rgba(11,51,66,.12),rgba(11,51,66,.05)),url("/assets/colorado-dossier.webp") center/cover,linear-gradient(135deg,#bb7145,#6f3928)}.featureMenu{padding:28px 22px;display:flex;flex-direction:column;gap:10px;background:#fbfaf7}.featureMenu a{font-size:10px;color:#526770}.featureMenu .smallButton{background:var(--deep);color:#fff;padding:10px 13px;margin-top:8px;width:max-content;border-radius:3px}
.continents,.france,.compareSection,.essentials,.latest{margin-top:34px}.continentGrid{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}.continentCard{height:135px;color:#fff;padding:18px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden;background:#254e61}.continentCard:before{content:"";position:absolute;inset:0;opacity:.65;background:radial-gradient(circle at 65% 30%,#85a699,transparent 20%),linear-gradient(155deg,transparent 25%,#2c6675 26% 48%,#173e54 49%)}.continentCard.africa:before{background:radial-gradient(ellipse at 50% 45%,#9a845d 0 20%,transparent 21%),linear-gradient(140deg,#567b76,#183b51)}.continentCard.asia:before{background:linear-gradient(165deg,#81959a 0 28%,#4d7067 29% 55%,#214e5d 56%)}.continentCard.europe:before{background:radial-gradient(ellipse at 55% 62%,#8da694 0 25%,transparent 26%),linear-gradient(150deg,#56798b,#173d54)}.continentCard.oceania:before{background:radial-gradient(ellipse at 45% 65%,#769685 0 22%,transparent 23%),linear-gradient(#547a8b,#17374b)}.continentCard.world:before{background:radial-gradient(ellipse at 30% 45%,#4f7f8e 0 12%,transparent 13%),radial-gradient(ellipse at 66% 48%,#4f7f8e 0 18%,transparent 19%),#0b3852}.continentCard span,.continentCard small,.continentCard b{position:relative}.continentCard span{font:600 17px var(--serif)}.continentCard small{font-size:9px;margin-top:3px;color:#d6e2e4}.continentCard b{position:absolute;right:15px;bottom:16px}
.francePanel{min-height:265px;display:grid;grid-template-columns:230px 1.1fr 210px 1fr;background:#fff;border:1px solid var(--line)}.franceText,.basinText{padding:27px}.franceText h3,.basinText h3{font:500 21px var(--serif);margin:8px 0}.franceText p,.basinText p{font-size:11px;color:#60727b}.franceArt{background:url("/assets/france-hydro-art.webp") center/cover,linear-gradient(135deg,#edf0eb,#dbe5e3)}.franceList{padding:23px 18px;border-left:1px solid #e3e0da;border-right:1px solid #e3e0da}.franceList a{display:flex;justify-content:space-between;padding:9px 3px;border-bottom:1px solid #e8e6e0}.franceList strong{font:500 14px var(--serif)}.franceList span{font-size:9px;color:#718087}
.comparePanel{min-height:210px;color:#fff;display:grid;grid-template-columns:1fr 60px 1fr 260px;background:linear-gradient(90deg,#183f50,#0b3449 72%,#f5f2eb 72%)}.compareChoice{padding:28px;display:flex;flex-direction:column;justify-content:center}.compareChoice select{appearance:none;background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.35);color:#fff;font:500 22px var(--serif);padding:0 0 7px;outline:0}.compareChoice select option{color:#17384a}.compareChoice strong{font:500 34px var(--serif);margin-top:14px}.compareChoice span{font-size:12px}.compareChoice small{font-size:9px;color:#bfd0d4;margin-top:6px}.compareVs{display:grid;place-items:center;font:600 13px var(--serif);color:#a7c0c7}.compareNote{color:var(--ink);padding:28px 24px}.compareNote b{font:600 17px var(--serif)}.compareNote p{font-size:10px;color:#65747b}.compareNote a{font-size:10px;font-weight:700;color:#125c74}
.guideGrid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line)}.guideCard{min-height:190px;padding:26px;border-right:1px solid var(--line);position:relative}.guideCard:last-child{border:0}.guideCard i{float:right;font-style:normal;font:500 52px var(--serif);color:#9eb4bd}.guideCard h3{font:500 22px var(--serif);margin:0 0 9px}.guideCard p{font-size:11px;color:#64757d;max-width:190px}.guideCard span{position:absolute;bottom:22px}
.dataDeck{display:grid;grid-template-columns:1.2fr 1fr .8fr;gap:18px;margin-top:34px}.dataDeck article{background:#fff;border:1px solid var(--line);padding:22px;min-height:350px;position:relative}.dataDeck .sectionTitle h2{font-size:19px}.ranking ol{list-style:none;padding:0;margin:14px 0}.ranking li{display:grid;grid-template-columns:18px 110px 1fr 78px;align-items:center;gap:7px;font-size:10px;margin:7px 0}.ranking li>b{color:#a96938}.ranking li>i{height:5px;background:#e1e8e8}.ranking li>i em{display:block;height:100%;background:#16627b}.ranking li>strong{text-align:right}.dataDeck article>a{position:absolute;bottom:20px}.obsStats{display:grid;gap:9px;margin-top:20px}.obsStats div{display:flex;justify-content:space-between;border-bottom:1px solid #e6e5e0;padding-bottom:8px}.obsStats b{font-size:11px}.obsStats span{font-size:9px;color:#718087}.miniMap{height:125px;background:radial-gradient(circle at 35% 55%,#d9e5e4 0 26%,transparent 27%),linear-gradient(#f7f5ef,#f7f5ef);position:relative}.miniMap i{position:absolute;width:5px;height:5px;background:#1286a2;border-radius:50%}.miniMap i:nth-child(1){left:31%;top:31%}.miniMap i:nth-child(2){left:42%;top:50%}.miniMap i:nth-child(3){left:52%;top:33%}.miniMap i:nth-child(4){left:62%;top:62%}.miniMap i:nth-child(5){left:71%;top:38%}.miniMap i:nth-child(6){left:24%;top:68%}.miniMap i:nth-child(7){left:47%;top:72%}.miniMap i:nth-child(8){left:80%;top:68%}.miniMap i:nth-child(9){left:59%;top:22%;background:#d67c45}.donut{width:140px;height:140px;border-radius:50%;margin:10px auto;background:conic-gradient(#0d7690 0 47%,#6d929f 47% 60%,#d8a166 60% 70%,#c5d3d5 70%);display:grid;place-items:center}.donut:before{content:"";width:82px;height:82px;background:#fff;border-radius:50%;grid-area:1/1}.donut span{grid-area:1/1;z-index:1;font:600 24px var(--serif);text-align:center}.donut small{display:block;font:8px var(--sans);text-transform:uppercase}.method ul{list-style:none;padding:0;margin:6px 0}.method li{font-size:9px;display:flex;gap:7px;align-items:center}.method li i{width:7px;height:7px;border-radius:50%;background:#0d7690}.method li b{margin-left:auto}
.articleGrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.articleCard{background:#fff;border:1px solid var(--line);padding-bottom:17px}.articlePhoto{height:105px;background:linear-gradient(145deg,#42665e,#172f3d)}.article2 .articlePhoto{background:linear-gradient(145deg,#7e6f55,#263f45)}.article3 .articlePhoto{background:linear-gradient(145deg,#55694e,#283a32)}.article4 .articlePhoto{background:linear-gradient(145deg,#8e795e,#2a5460)}.articleCard small,.articleCard h3,.articleCard time{margin-left:15px;margin-right:15px}.articleCard small{display:block;color:#12778f;font-size:8px;font-weight:800;margin-top:12px}.articleCard h3{font:500 16px/1.25 var(--serif);margin-top:5px;margin-bottom:12px}.articleCard time{font-size:9px;color:#7b878c}
.trust{margin-top:36px;background:linear-gradient(110deg,#06364f,#064969);color:#fff;padding:35px 0}.trustGrid{display:grid;grid-template-columns:1.3fr repeat(4,1fr)}.trustGrid>div{padding:0 25px;border-right:1px solid rgba(255,255,255,.2)}.trustGrid>div:first-child{padding-left:0}.trust h2{font:500 25px var(--serif);margin:0}.trust p{font-size:10px;color:#c8dbdf}.trust a{color:#fff}.trustPoint{display:flex;flex-direction:column;gap:7px}.trustPoint i{font-style:normal;font-size:27px}.trustPoint b{font:500 15px var(--serif)}.trustPoint span{font-size:9px;color:#c9dce0}
.footer{background:#fbfaf7;padding:34px 0 40px}.footerGrid{display:grid;grid-template-columns:1.5fr repeat(3,.75fr) 1.2fr;gap:35px}.footerGrid>div{display:flex;flex-direction:column;gap:6px}.footerGrid>div>b{font-size:8px;letter-spacing:.12em;margin-bottom:6px}.footerGrid a{font-size:10px;color:#4d626d}.newsletter p,.footerBrand p{font-size:9px;color:#708087}.newsletter>div{display:flex}.newsletter input{height:34px;border:1px solid var(--line);padding:0 10px;width:150px}.newsletter button{border:0;background:var(--deep);color:#fff;font-size:9px}.footerBrand .brand{min-width:0}.footerBrand .brand small{font-size:6px}.footerBrand small{font-size:8px;color:#7a868c}
@media(max-width:1050px){.mainNav{gap:16px}.headerActions .observatoryBtn{display:none}.entryGrid{grid-template-columns:repeat(3,1fr)}.continentGrid{grid-template-columns:repeat(3,1fr)}.feature{grid-template-columns:240px 1fr}.featureMenu{grid-column:1/-1;flex-direction:row;align-items:center}.francePanel{grid-template-columns:1fr 1fr}.franceList{border-left:0}.comparePanel{grid-template-columns:1fr 40px 1fr}.compareNote{grid-column:1/-1;background:#f5f2eb}.dataDeck{grid-template-columns:1fr 1fr}.method{grid-column:1/-1}.trustGrid{grid-template-columns:1.4fr 1fr 1fr}.trustPoint:nth-last-child(-n+2){margin-top:20px}.footerGrid{grid-template-columns:1.4fr repeat(3,.8fr)}.footerBrand{grid-column:1/-1;margin-top:18px}}
@media(max-width:760px){.wrap{width:min(100% - 32px,1400px)}.siteHeader{height:66px}.headerInner{width:calc(100% - 28px)}.brand{min-width:0}.brand strong{font-size:17px}.brand small{display:none}.menuButton{display:block;margin-left:auto}.mainNav{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;padding:15px 22px;flex-direction:column;gap:0}.mainNav.open{display:flex}.mainNav a{padding:10px 0}.headerActions{display:none}.hero{height:610px}.heroInner{padding-top:43px}.hero h1{font-size:43px}.heroIntro{font-size:14px}.heroMetrics{display:grid;grid-template-columns:1fr 1fr;width:100%}.heroMetrics div{min-width:0}.mapCta{left:0;right:auto}.entryGrid{display:flex;overflow:auto;width:100%;padding-left:16px}.entry{min-width:220px}.feature{grid-template-columns:1fr;margin-top:24px}.featureImage{height:230px;order:-1}.featureMenu{flex-direction:column;align-items:flex-start}.continentGrid{grid-template-columns:1fr 1fr}.francePanel{grid-template-columns:1fr}.franceArt{height:230px;order:-1}.comparePanel{grid-template-columns:1fr}.compareVs{height:35px}.guideGrid{grid-template-columns:1fr 1fr}.guideCard:nth-child(2){border-right:0}.dataDeck{grid-template-columns:1fr}.articleGrid{grid-template-columns:1fr 1fr}.trustGrid{grid-template-columns:1fr 1fr}.trustGrid>div:first-child{grid-column:1/-1;margin-bottom:24px}.footerGrid{grid-template-columns:1fr 1fr}.newsletter,.footerBrand{grid-column:1/-1}}
@media(max-width:470px){.hero{height:660px}.heroMetrics{grid-template-columns:1fr 1fr}.continentGrid,.guideGrid,.articleGrid{grid-template-columns:1fr}.dataDeck article{min-height:330px}.trustGrid{grid-template-columns:1fr}.trustPoint{margin-top:20px}.footerGrid{grid-template-columns:1fr}.footerGrid>div{grid-column:1/-1}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Internal reference pages */
.internalMain{background:#f7f5f0}.internalHero{background:linear-gradient(120deg,#07344d,#0b5268);color:#fff;padding:24px 0 48px;position:relative;overflow:hidden}.internalHero:after{content:"";position:absolute;right:-8%;top:-50%;width:55%;height:190%;opacity:.2;background:repeating-radial-gradient(ellipse at center,transparent 0 12px,#a8ced2 13px 14px,transparent 15px 25px);transform:rotate(-15deg)}.breadcrumbs{display:flex;gap:9px;align-items:center;font-size:10px;color:#c9dde1;margin-bottom:35px}.breadcrumbs strong{color:#fff}.internalHeroGrid{display:grid;grid-template-columns:1.3fr .7fr;gap:60px;align-items:center;position:relative;z-index:1}.pageType{font-size:9px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#b9d4d9}.internalHero h1{font:500 clamp(44px,5vw,72px)/1 var(--serif);margin:9px 0 18px;letter-spacing:-.025em}.internalHeroGrid>div>p{font-size:16px;max-width:760px;color:#dce9eb}.verification{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:22px;font-size:9px}.verification b{background:#e8f2ef;color:#176056;padding:7px 10px;border-radius:3px}.verification span{color:#c6d9dc}.riverSketch{height:220px;position:relative;border:1px solid rgba(255,255,255,.14);background:radial-gradient(circle at 70% 25%,rgba(255,255,255,.13),transparent 20%),linear-gradient(145deg,rgba(255,255,255,.05),rgba(0,0,0,.12))}.riverSketch:before{content:"";position:absolute;left:5%;right:3%;top:53%;height:14px;background:#7cc4d2;border-radius:100% 20% 90% 30%;transform:rotate(-10deg);box-shadow:0 0 22px rgba(121,204,217,.45)}.riverSketch i{position:absolute;width:45%;height:2px;background:#72b7c5;transform-origin:right}.riverSketch i:nth-child(1){left:3%;top:24%;transform:rotate(31deg)}.riverSketch i:nth-child(2){left:20%;top:78%;transform:rotate(-33deg)}.riverSketch i:nth-child(3){right:8%;top:32%;transform:rotate(-25deg)}.riverSketch i:nth-child(4){right:2%;top:74%;transform:rotate(20deg)}
.internalLayout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:45px;padding-top:42px;padding-bottom:55px}.contentArticle{min-width:0}.answerBox{background:#fff;border-left:5px solid #1684a0;padding:28px 32px;margin-bottom:24px;box-shadow:0 8px 28px rgba(10,42,58,.05)}.answerBox>span,.sourcesBox>div>span,.authorBox span{font-size:8px;font-weight:800;letter-spacing:.14em;color:#18738a}.answerBox h2,.sourcesBox h2,.authorBox h2{font:500 27px var(--serif);margin:5px 0 10px}.answerBox p{font-size:15px;margin:0;color:#425c68}.answerBox .uncertainty{margin-top:15px;padding:11px 14px;background:#f7f3e8;border:1px solid #e7dbc0;font-size:11px;color:#675c49}.identityGrid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);margin-bottom:28px}.identityGrid div{padding:20px;border-right:1px solid var(--line)}.identityGrid div:last-child{border:0}.identityGrid span{font-size:8px;font-weight:800;letter-spacing:.07em;color:#5c7480}.identityGrid b{display:block;font:500 20px var(--serif);margin:8px 0 4px}.identityGrid small{font-size:8px;color:#7d898e}.articleSection{display:grid;grid-template-columns:50px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-bottom:0;padding:33px}.articleSection:last-of-type{border-bottom:1px solid var(--line)}.sectionNumber{font:500 20px var(--serif);color:#86a4ae;border-top:2px solid #86a4ae;padding-top:8px}.articleSection h2{font:500 29px var(--serif);margin:0 0 14px}.articleSection p{color:#4e6570;font-size:13px;max-width:850px}.mapPanel{border:1px solid #d7dedc;margin-top:22px}.mapToolbar{display:flex;justify-content:space-between;padding:11px 14px;background:#f3f3ee;font-size:9px}.mapToolbar span{color:#748087}.mapRiver{height:220px;position:relative;overflow:hidden;background:radial-gradient(circle at 75% 40%,#e1e9e3 0 18%,transparent 19%),linear-gradient(145deg,#edf1ea,#dae4e1)}.mapRiver:before{content:"";position:absolute;left:-5%;right:-5%;top:48%;height:15px;background:#3a9bb4;transform:rotate(-7deg);border-radius:60% 10% 70% 20%;box-shadow:0 0 0 5px rgba(58,155,180,.08)}.mapRiver i{position:absolute;height:3px;width:35%;background:#4aa2b5;transform-origin:right}.mapRiver i:nth-child(1){left:4%;top:28%;transform:rotate(30deg)}.mapRiver i:nth-child(2){left:25%;top:75%;transform:rotate(-32deg)}.mapRiver i:nth-child(3){right:10%;top:29%;transform:rotate(-25deg)}.mapRiver span{position:absolute;font-size:8px;font-weight:800;text-transform:uppercase;color:#55717c}.mapRiver span:nth-of-type(1){left:3%;top:55%}.mapRiver span:nth-of-type(2){left:49%;top:38%}.mapRiver span:nth-of-type(3){right:3%;top:32%}.tributaryList{display:grid;grid-template-columns:1fr 1fr;border:1px solid #e2e2dc;margin-top:18px}.tributaryList a{display:flex;justify-content:space-between;padding:12px 14px;border-bottom:1px solid #e2e2dc;font:500 14px var(--serif)}.tributaryList a:nth-child(odd){border-right:1px solid #e2e2dc}.tributaryList span{font:9px var(--sans);color:#15718a}.factTable{border:1px solid #dedfd9;margin-top:18px;overflow:auto}.factTable>div{display:grid;grid-template-columns:1fr 1.4fr .8fr 1fr;min-width:620px}.factTable>div>*{padding:11px 12px;border-right:1px solid #e5e5df;border-bottom:1px solid #e5e5df;font-size:10px}.factTable>div:first-child{background:#f0f2ed}.statusOk{color:#176a59;font-weight:700}.topicLinks{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.topicLinks a{border:1px solid #afc3c8;padding:8px 11px;font-size:10px;color:#145f76;background:#f6faf9}.sourcesBox{background:#073d58;color:#fff;padding:30px 34px;margin-top:28px}.sourcesBox>div>span{color:#8fc5cf}.sourcesBox h2{margin-top:6px}.sourcesBox p{font-size:11px;color:#cadde0;max-width:760px}.sourcesBox ol{list-style:none;padding:0;margin:22px 0;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.sourcesBox li{border:1px solid rgba(255,255,255,.2);padding:15px;display:flex;gap:12px}.sourcesBox li>b{font:500 18px var(--serif);color:#80bdca}.sourcesBox li strong,.sourcesBox li small{display:block}.sourcesBox li strong{font-size:10px}.sourcesBox li small{font-size:8px;color:#b9d1d5;margin-top:5px}.sourcesBox>a{font-size:10px;color:#fff;font-weight:700}.authorBox{display:grid;grid-template-columns:70px 1fr;gap:20px;background:#fff;border:1px solid var(--line);padding:27px;margin-top:25px}.authorInitials{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#173f58;color:#fff;font:500 19px var(--serif)}.authorBox h2{font-size:21px}.authorBox p{font-size:10px;color:#62757e}.authorBox a{font-size:9px;font-weight:700;color:#17677e}.stickyAside{position:sticky;top:100px;background:#fff;border:1px solid var(--line);padding:22px;display:flex;flex-direction:column}.stickyAside>b{font-size:8px;letter-spacing:.12em;margin:4px 0 10px}.stickyAside>a{font-size:10px;color:#516873;padding:7px 0;border-bottom:1px solid #ecece7}.stickyAside hr{border:0;border-top:1px solid #deddD7;width:100%;margin:16px 0}.stickyAside .reportButton{background:#0b526b;color:#fff;border:0;padding:10px 12px;margin-top:15px;text-align:center}.internalFooter{border-top:1px solid var(--line)}
@media(max-width:900px){.internalHeroGrid{grid-template-columns:1fr}.riverSketch{display:none}.internalLayout{grid-template-columns:1fr}.internalAside{display:none}.identityGrid{grid-template-columns:1fr 1fr}.sourcesBox ol{grid-template-columns:1fr}.articleSection{grid-template-columns:1fr}.sectionNumber{width:45px}.headerInner>.mainNav{display:none}}
@media(max-width:540px){.internalHero{padding-bottom:34px}.internalHero h1{font-size:43px}.internalHeroGrid>div>p{font-size:14px}.internalLayout{padding-top:22px}.answerBox,.articleSection,.sourcesBox{padding:23px 20px}.identityGrid{grid-template-columns:1fr}.identityGrid div{border-right:0;border-bottom:1px solid var(--line)}.tributaryList{grid-template-columns:1fr}.tributaryList a:nth-child(odd){border-right:0}.authorBox{grid-template-columns:1fr}.sourcesBox ol{grid-template-columns:1fr}}

/* V2 — largeur éditoriale, lisibilité et nouveaux modules immersifs */
:root{--paper:#fff;--surface:#fff;--mist:#f1f6f7;--coral:#0b6071;--sun:#dcebed;--electric:#15a6c6}
html{background:#fff}body{background:#fff;color:#173442;font-size:16px}.wrap{width:min(1880px,calc(100% - 56px))}.headerInner{width:min(1940px,calc(100% - 44px))}.siteHeader{height:82px}.brand strong{font-size:22px}.brand small{font-size:8px}.brandMark{width:42px;height:42px}.mainNav{gap:36px}.mainNav a{font-size:12px}.observatoryBtn{padding:13px 20px!important}.hero{height:650px}.heroInner{padding-top:72px}.hero h1{font-size:clamp(58px,5.2vw,88px);max-width:1050px}.heroIntro{font-size:18px;line-height:1.65;max-width:760px}.searchBox{width:640px;height:58px}.searchBox input{font-size:15px}.heroMetrics{height:58px}.heroMetrics div{min-width:165px;padding:9px 18px}.heroMetrics b{font-size:14px}.heroMetrics span{font-size:9px}.mapCta{font-size:13px;padding:16px 23px}.entryStrip{background:#fff}.entry{min-height:154px;padding:28px 28px}.entry i{font-size:21px}.entry b{font-size:18px}.entry span{font-size:12px;line-height:1.5}.feature{grid-template-columns:360px 1fr 290px;min-height:410px;margin-top:56px}.featureIntro{padding:38px}.featureIntro h2{font-size:38px}.featureIntro p{font-size:15px;line-height:1.65}.featureIntro dl div{font-size:12px;padding:8px 0}.featureIntro>a,.featureMenu>a,.francePanel a,.guideCard span,.dataDeck article>a,.trust a{font-size:12px}.featureMenu{padding:38px 30px}.featureMenu a{font-size:13px}.continents,.france,.compareSection,.essentials,.latest{margin-top:58px}.sectionTitle h2{font-size:32px}.sectionTitle>div>span,.sectionTitle>a{font-size:10px}.continentCard{height:190px;padding:25px}.continentCard span{font-size:24px}.continentCard small{font-size:11px}.francePanel{min-height:330px}.franceText,.basinText{padding:38px}.franceText h3,.basinText h3{font-size:28px}.franceText p,.basinText p{font-size:14px}.franceList a{padding:16px 22px}.franceList strong{font-size:17px}.comparePanel{min-height:270px}.compareChoice{padding:35px}.compareChoice strong{font-size:43px}.compareChoice span{font-size:18px}.compareNote{padding:35px}.guideCard{min-height:235px;padding:31px}.guideCard h3{font-size:27px}.guideCard p{font-size:14px;line-height:1.6}.dataDeck{margin-top:58px;gap:24px}.dataDeck article{min-height:430px;padding:30px}.dataDeck .sectionTitle h2{font-size:25px}.ranking li{grid-template-columns:22px 145px 1fr 100px;font-size:13px}.obsStats b{font-size:14px}.obsStats span{font-size:11px}.latest{margin-bottom:58px}.articleCard{min-height:275px}.articleCard h3{font-size:20px}.trust{margin-top:64px}.footer{background:#fff}

.riverBirth{margin-top:64px}.birthPanel{display:grid;grid-template-columns:minmax(380px,.78fr) minmax(650px,1.4fr);min-height:650px;background:#072f48;color:#fff;overflow:hidden;box-shadow:0 24px 70px rgba(8,45,65,.17)}.birthCopy{padding:58px 52px;position:relative;z-index:5;background:linear-gradient(135deg,#07344d 0%,#0a4960 100%)}.birthLabel{font-size:10px;font-weight:800;letter-spacing:.17em;color:#91d4df}.birthCopy h3{font:500 clamp(38px,3vw,58px)/1.05 var(--serif);margin:14px 0 24px;max-width:660px}.birthCopy>p{font-size:16px;line-height:1.7;color:#d9e9eb;max-width:630px}.birthCopy ol{list-style:none;padding:0;margin:34px 0;display:grid;grid-template-columns:1fr 1fr;gap:0}.birthCopy li{display:grid;grid-template-columns:42px 1fr;gap:12px;padding:17px 14px 17px 0;border-top:1px solid rgba(255,255,255,.2)}.birthCopy li>b{font:500 18px var(--serif);color:#66c9d8}.birthCopy li strong,.birthCopy li span{display:block}.birthCopy li strong{font-size:13px;margin-bottom:4px}.birthCopy li span{font-size:11px;color:#bcd4d8;line-height:1.45}.birthCopy>a{display:inline-block;background:var(--sun);color:#173442;padding:14px 18px;font-size:12px;font-weight:800}.mountainCutaway{position:relative;min-height:650px;overflow:hidden;background:linear-gradient(#84cbd8 0 43%,#c7d8c4 43% 55%,#a6784d 55% 100%)}.sun{position:absolute;width:76px;height:76px;border-radius:50%;background:#ffd35c;right:8%;top:7%;box-shadow:0 0 70px #ffe7a7}.cloud{position:absolute;width:130px;height:38px;border-radius:40px;background:rgba(255,255,255,.84);top:14%;z-index:2}.cloud:before,.cloud:after{content:"";position:absolute;border-radius:50%;background:inherit}.cloud:before{width:58px;height:58px;left:20px;bottom:3px}.cloud:after{width:72px;height:72px;right:20px;bottom:1px}.cloudOne{left:13%}.cloudTwo{left:39%;top:10%;transform:scale(.75)}.rain{position:absolute;left:17%;top:22%;width:260px;height:160px;z-index:3}.rain i{position:absolute;width:3px;height:35px;background:#e8fbff;transform:rotate(16deg);border-radius:3px}.rain i:nth-child(1){left:12%}.rain i:nth-child(2){left:27%;top:24px}.rain i:nth-child(3){left:42%;top:8px}.rain i:nth-child(4){left:58%;top:32px}.rain i:nth-child(5){left:73%;top:14px}.rain i:nth-child(6){left:89%;top:42px}.mountainBack,.mountainFront,.snow{position:absolute;left:-4%;right:-4%;bottom:42%;height:53%;clip-path:polygon(0 100%,16% 45%,29% 70%,48% 7%,61% 53%,76% 28%,100% 100%)}.mountainBack{background:#577c7c;opacity:.75;transform:translateY(-20px)}.mountainFront{background:linear-gradient(120deg,#48686b 0 46%,#34535b 47% 100%);clip-path:polygon(0 100%,10% 70%,25% 56%,44% 13%,57% 61%,72% 38%,100% 100%)}.snow{background:#eef5f0;height:51%;clip-path:polygon(34% 34%,44% 13%,53% 45%,49% 39%,46% 47%,43% 32%,40% 43%,37% 39%,34% 48%)}.earthLayer{position:absolute;inset:58% 0 0;background:linear-gradient(14deg,#734c35 0 22%,#9c6d48 23% 44%,#c29466 45% 62%,#8a5d42 63%)}.earthLayer:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(12deg,transparent 0 31px,rgba(255,255,255,.09) 32px 34px)}.aquifer{position:absolute;left:14%;right:22%;bottom:9%;height:105px;background:linear-gradient(180deg,rgba(58,187,210,.32),rgba(30,140,177,.78));clip-path:polygon(0 55%,14% 38%,31% 48%,46% 22%,63% 40%,78% 17%,100% 34%,100% 100%,0 100%);z-index:2}.spring{position:absolute;right:27%;bottom:34%;width:22px;height:22px;border-radius:50%;background:#84e5ef;box-shadow:0 0 0 8px rgba(83,201,220,.22);z-index:5}.stream{position:absolute;right:-12%;bottom:29%;width:55%;height:40px;border-radius:70% 0 0 20%;background:linear-gradient(90deg,#43c1d4,#0a8bac);transform:rotate(7deg);z-index:4;box-shadow:0 0 0 8px rgba(150,231,237,.17)}.mountainCutaway>span{position:absolute;z-index:8;background:rgba(5,42,59,.82);color:#fff;padding:7px 10px;font-size:10px;font-weight:800;letter-spacing:.04em}.labelSnow{left:43%;top:24%}.labelRain{left:13%;top:38%}.labelInfiltration{left:29%;top:54%}.labelAquifer{left:20%;bottom:12%}.labelSource{right:27%;bottom:39%}.labelRiver{right:7%;bottom:23%}

.records{margin-top:70px}.recordsGrid{display:grid;grid-template-columns:1.06fr .94fr .84fr;gap:18px}.recordCard{min-height:690px;padding:40px;position:relative;overflow:hidden}.recordCard:after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-125px;top:-115px;border:55px solid rgba(255,255,255,.07)}.recordHead{display:flex;justify-content:space-between;position:relative;z-index:1}.recordHead span{font-size:10px;font-weight:800;letter-spacing:.17em}.recordHead>b{font:500 36px var(--serif);opacity:.45}.recordCard h3{font:500 clamp(31px,2.4vw,47px)/1.05 var(--serif);margin:22px 0 15px;position:relative;z-index:1}.recordCard>p{font-size:14px;line-height:1.65;max-width:540px;position:relative;z-index:1}.recordCard>a{position:absolute;left:40px;bottom:35px;font-size:12px;font-weight:800;z-index:4}.longestCard{background:#073b56;color:#fff}.longestCard>p{color:#c7dde2}.longestCard ol{list-style:none;padding:0;margin:24px 0 60px;position:relative;z-index:2}.longestCard li{display:grid;grid-template-columns:34px 1fr auto;gap:14px;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.15);align-items:center}.longestCard li>b{color:#62ccdd;font-size:11px}.longestCard li>span{font:500 16px var(--serif)}.longestCard li>strong{font-size:12px}.longestCard>a{color:#fff}.dangerCard{background:linear-gradient(145deg,#0b6071,#084659);color:#fff}.dangerCard .bigStatement{font:500 33px/1.12 var(--serif);color:#fff;margin:34px 0 10px}.dangerCard ul{list-style:none;padding:0;margin:28px 0 70px}.dangerCard li{padding:15px 0;border-top:1px solid rgba(255,255,255,.28)}.dangerCard li strong,.dangerCard li span{display:block}.dangerCard li strong{font-size:14px}.dangerCard li span{font-size:11px;color:#c8e1e5;margin-top:4px}.dangerCard>a{color:#fff}.extremeCard{background:linear-gradient(145deg,#eef6f6,#dcebed);color:#173442}.extremeCard dl{margin:24px 0 65px}.extremeCard dl>div{padding:17px 0;border-top:1px solid rgba(23,52,66,.22)}.extremeCard dt{font-size:10px;font-weight:800;letter-spacing:.1em}.extremeCard dd{font:500 31px var(--serif);margin:5px 0}.extremeCard small{font-size:11px}.recordNote{text-align:right;font-size:10px;color:#718087;margin-top:12px}.questionRoutes{margin-top:70px;margin-bottom:70px}.questionGrid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.questionCard{min-height:260px;padding:32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;background:#fff;transition:.2s}.questionCard:hover{background:#073d58;color:#fff;transform:translateY(-3px)}.questionCard>b{font:500 25px var(--serif);color:#167d93}.questionCard h3{font:500 27px/1.15 var(--serif);margin:25px 0 12px;max-width:440px}.questionCard p{font-size:14px;line-height:1.55;color:#61727a}.questionCard:hover p{color:#c9dce0}.questionCard span{position:absolute;left:32px;bottom:28px;font-size:11px;font-weight:800;color:#15738c}.questionCard:hover span{color:#73d1df}

.internalMain{background:#fff}.internalHero{padding:34px 0 65px}.internalHeroGrid{grid-template-columns:minmax(0,1.55fr) minmax(420px,.65fr);gap:80px}.internalHeroGrid>div>p{font-size:19px;line-height:1.65;max-width:980px}.breadcrumbs{font-size:12px}.pageType{font-size:11px}.verification{font-size:11px}.riverSketch{height:280px}.internalLayout{grid-template-columns:minmax(0,1fr) 320px;gap:58px;padding-top:58px;padding-bottom:80px}.answerBox{padding:40px 46px}.answerBox h2,.sourcesBox h2{font-size:36px}.answerBox p{font-size:19px;line-height:1.7}.answerBox .uncertainty{font-size:14px;line-height:1.6}.identityGrid div{padding:28px}.identityGrid span{font-size:10px}.identityGrid b{font-size:26px}.identityGrid small{font-size:10px}.articleSection{grid-template-columns:65px minmax(0,1fr);gap:28px;padding:48px}.sectionNumber{font-size:25px}.articleSection h2{font-size:39px}.articleSection p{font-size:17px;line-height:1.78;max-width:1120px}.expertNote{display:grid;grid-template-columns:190px 1fr;gap:24px;background:#e9f5f6;border-left:4px solid #16a2be;padding:22px 25px;margin:24px 0;font-size:14px;line-height:1.6}.expertNote b{font:500 18px var(--serif)}.mapToolbar{font-size:11px;padding:14px 18px}.mapRiver{height:310px}.tributaryList a{padding:17px 18px;font-size:17px}.tributaryList span{font-size:11px}.factTable>div>*{font-size:13px;padding:15px}.topicLinks a{font-size:13px;padding:11px 14px}.faqSection details{border-top:1px solid #dfe6e6;padding:18px 0}.faqSection summary{cursor:pointer;font:500 20px var(--serif);color:#173f52}.faqSection details p{font-size:16px;margin-bottom:0}.sourcesBox{padding:45px 48px}.sourcesBox p{font-size:15px;line-height:1.7;max-width:1000px}.sourcesBox li{padding:22px}.sourcesBox li strong{font-size:13px}.sourcesBox li small{font-size:10px}.sourcesBox>a{font-size:13px}.authorBox{grid-template-columns:84px 1fr;padding:38px}.authorInitials{width:72px;height:72px}.authorBox h2{font-size:29px}.authorBox p{font-size:14px;line-height:1.6;max-width:1000px}.authorBox a{font-size:12px}.stickyAside{padding:28px}.stickyAside>b{font-size:10px}.stickyAside>a{font-size:13px;padding:11px 0}.footerGrid a,.footerGrid p{font-size:11px}

@media(max-width:1250px){.wrap{width:min(100% - 40px,1880px)}.birthPanel{grid-template-columns:1fr}.mountainCutaway{min-height:540px}.recordsGrid{grid-template-columns:1fr 1fr}.extremeCard{grid-column:1/-1;min-height:520px}.extremeCard dl{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}.feature{grid-template-columns:300px 1fr}.featureMenu{grid-column:1/-1;min-height:auto}.questionGrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.siteHeader{height:72px}.wrap{width:calc(100% - 32px)}.hero{height:680px}.hero h1{font-size:55px}.entryGrid{width:100%;padding-left:16px}.birthCopy{padding:40px 30px}.mountainCutaway{min-height:460px}.recordsGrid{grid-template-columns:1fr}.extremeCard{grid-column:auto}.recordCard{min-height:630px}.internalHeroGrid{grid-template-columns:1fr}.internalLayout{grid-template-columns:1fr}.articleSection{grid-template-columns:1fr}.questionGrid{grid-template-columns:1fr 1fr}.sourcesBox ol{grid-template-columns:1fr}}
@media(max-width:600px){.wrap{width:calc(100% - 24px)}.hero{height:700px}.hero h1{font-size:45px}.searchBox{width:100%}.birthPanel{min-height:0}.birthCopy{padding:34px 24px}.birthCopy h3{font-size:38px}.birthCopy ol{grid-template-columns:1fr}.mountainCutaway{min-height:360px}.recordCard{padding:28px;min-height:auto;padding-bottom:85px}.recordCard>a{left:28px}.extremeCard dl{grid-template-columns:1fr}.questionGrid{grid-template-columns:1fr}.questionCard{min-height:235px}.answerBox,.articleSection,.sourcesBox{padding:28px 22px}.articleSection h2{font-size:31px}.articleSection p,.answerBox p{font-size:16px}.expertNote{grid-template-columns:1fr}.identityGrid{grid-template-columns:1fr}.internalHeroGrid>div>p{font-size:16px}}

/* V3 — atlas illustré et pages de référence éditoriales */
.birthPanel{grid-template-columns:minmax(430px,.62fr) minmax(760px,1.38fr);min-height:700px}.birthCopy{padding:64px 58px}.birthIllustration{margin:0;min-width:0;background:#f4efe5;display:grid;grid-template-rows:1fr auto;overflow:hidden}.birthIllustration img{width:100%;height:100%;min-height:590px;object-fit:contain;display:block}.birthIllustration figcaption,.editorialFigure figcaption{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;background:#fff;border-top:1px solid #dedbd2;padding:18px 24px;color:#173442}.birthIllustration figcaption span,.editorialFigure figcaption span{font-size:9px;font-weight:800;letter-spacing:.14em;color:#927250}.birthIllustration figcaption b,.editorialFigure figcaption b{font:500 19px var(--serif)}.birthIllustration figcaption small,.editorialFigure figcaption small{font-size:10px;color:#738087}.riverBirth .sectionTitle{margin-bottom:14px}
.internalHero{background:linear-gradient(120deg,#06364d 0%,#084f67 58%,#0b6074 100%);padding:38px 0 72px}.internalHero:after{opacity:.1}.internalHeroGrid{grid-template-columns:minmax(0,1.38fr) minmax(470px,.62fr);gap:70px}.internalHeroArt{margin:0;position:relative;background:#f4f0e8;padding:10px;box-shadow:0 22px 55px rgba(0,28,43,.28);transform:rotate(-.45deg)}.internalHeroArt img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}.internalHeroArt figcaption{position:absolute;right:17px;bottom:16px;background:rgba(255,255,255,.92);color:#234553;padding:7px 10px;font-size:9px;font-weight:800;letter-spacing:.1em}.answerBoxV2{display:grid;grid-template-columns:minmax(0,1fr) 330px;padding:0;border:1px solid #dce3e2;border-left:0;overflow:hidden;box-shadow:0 18px 50px rgba(11,54,71,.09)}.answerText{padding:43px 47px;border-left:6px solid #1684a0}.answerText>span{font-size:9px;font-weight:800;letter-spacing:.16em;color:#18738a}.answerText p{max-width:980px;font-size:20px;line-height:1.72}.answerMeta{background:#073e57;color:#fff;padding:30px;display:flex;flex-direction:column;gap:0}.answerMeta>b{font-size:9px;letter-spacing:.15em;color:#8dc7d1;margin-bottom:13px}.answerMeta>div{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px solid rgba(255,255,255,.16)}.answerMeta span{font-size:10px;color:#aecdd3}.answerMeta strong{font-size:10px;text-align:right}.articleSection{border:1px solid #e0e5e3!important;margin-bottom:25px;padding:52px 55px;box-shadow:0 12px 35px rgba(19,55,68,.04)}.articleSection.articleTint{background:#f2f7f7}.articleSection h2{font-size:clamp(34px,2.5vw,46px);max-width:1050px}.articleSection p{max-width:1180px;font-size:18px;line-height:1.82}.editorialFigure{margin:34px 0 8px;border:1px solid #d9d7cf;background:#f4efe5;overflow:hidden}.editorialFigure img{width:100%;height:auto;display:block}.expertNote{margin:28px 0 30px}.tributaryList{grid-template-columns:1fr 1fr;background:#fff}.tributaryHeading{grid-column:1/-1;display:flex;justify-content:space-between;padding:17px 19px;background:#073e57;color:#fff}.tributaryHeading b{font-size:10px;letter-spacing:.12em}.tributaryHeading span{font-size:10px;color:#b8d4d9}.relationCallout{margin-top:24px;padding:26px;background:#fff;border-left:4px solid #c58850}.relationCallout b{font:500 22px var(--serif)}.relationCallout p{margin-bottom:0}.evidenceGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0}.evidenceGrid>div{min-height:170px;padding:24px;background:#073e57;color:#fff;position:relative}.evidenceGrid span{font:500 24px var(--serif);color:#76c5d2}.evidenceGrid b{display:block;font:500 20px var(--serif);margin:20px 0 7px}.evidenceGrid p{font-size:12px!important;line-height:1.55!important;color:#c9dce0!important;margin:0}.factTable{background:#fff}.topicLinks{margin-top:24px}.topicLinks a{background:#fff}.faqSection details{padding:22px 0}.faqSection summary{font-size:23px}.relatedSection{margin:35px 0;background:#073e57;color:#fff;padding:45px}.relatedSection>div:first-child>span{font-size:9px;font-weight:800;letter-spacing:.15em;color:#85c7d2}.relatedSection>div:first-child h2{font:500 34px var(--serif);margin:7px 0 25px}.relatedGrid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(255,255,255,.18);border-left:1px solid rgba(255,255,255,.18)}.relatedGrid a{min-height:190px;padding:24px;border-right:1px solid rgba(255,255,255,.18);border-bottom:1px solid rgba(255,255,255,.18);position:relative;color:#fff}.relatedGrid a>b{font:500 21px var(--serif);color:#77c4d1}.relatedGrid a>span{display:block;font-size:8px;letter-spacing:.11em;color:#aacbd1;margin-top:18px}.relatedGrid h3{font:500 21px/1.16 var(--serif);margin:7px 0 30px}.relatedGrid em{position:absolute;left:24px;bottom:20px;font:normal 10px var(--sans);color:#8fd1dc}.stickyAside>a{display:grid;grid-template-columns:26px 1fr;gap:7px;align-items:start;line-height:1.35}.stickyAside>a>span{font:500 13px var(--serif);color:#16819b}.stickyAside .reportButton{display:block}.asideMethod{background:#edf5f5;padding:17px;margin-bottom:5px}.asideMethod b{font-size:9px;letter-spacing:.1em;color:#0a6680}.asideMethod p{font-size:11px;line-height:1.5;color:#5d7078;margin:7px 0 0}.sourcesBox{margin-top:35px}.authorBox{margin-bottom:10px}
@media(max-width:1250px){.birthPanel{grid-template-columns:1fr}.birthIllustration img{min-height:auto}.internalHeroGrid{grid-template-columns:1fr 420px;gap:35px}.answerBoxV2{grid-template-columns:1fr 290px}.relatedGrid{grid-template-columns:1fr 1fr}}
@media(max-width:900px){.internalHeroGrid{grid-template-columns:1fr}.internalHeroArt{max-width:700px;transform:none}.answerBoxV2{grid-template-columns:1fr}.answerMeta{display:grid;grid-template-columns:1fr 1fr;gap:0 22px}.answerMeta>b{grid-column:1/-1}.editorialFigure figcaption,.birthIllustration figcaption{grid-template-columns:1fr}.evidenceGrid{grid-template-columns:1fr}.relatedGrid{grid-template-columns:1fr 1fr}.articleSection{padding:38px 32px}}
@media(max-width:600px){.birthPanel{display:block}.birthCopy{padding:36px 24px}.birthIllustration img{min-height:300px}.answerText{padding:30px 24px}.answerMeta{grid-template-columns:1fr}.articleSection{padding:30px 22px}.editorialFigure{margin-left:-10px;margin-right:-10px}.editorialFigure figcaption,.birthIllustration figcaption{padding:15px 18px}.relatedSection{padding:30px 20px}.relatedGrid{grid-template-columns:1fr}.relatedSection>div:first-child h2{font-size:28px}.evidenceGrid>div{min-height:145px}.internalHeroArt{padding:6px}}
.legalNotice{background:#fff;border:1px solid var(--line);padding:28px 32px;margin:0 0 24px}.legalNotice h2{font:500 27px var(--serif);margin-top:0}.legalNotice p{font-size:12px;color:#516873}

/* V4 — cohérence chromatique, photographies éditoriales et pages-hubs */
.birthCopy>a{background:#fff;color:#073e57;border:1px solid rgba(255,255,255,.7);box-shadow:0 8px 22px rgba(0,28,43,.18)}
.dangerCard{background:linear-gradient(145deg,#0b6071,#084659);color:#fff}.dangerCard li span{color:#c8e1e5}.extremeCard{background:linear-gradient(145deg,#eef6f6,#dcebed);color:#173f52;border:1px solid #cbdfe1}.extremeCard .recordHead span{color:#0b687e}.recordCard:after{display:none}.questionCard>b,.ranking li>b{color:#167d93}.relationCallout{border-left-color:#1684a0}.miniMap{background:linear-gradient(rgba(244,249,249,.3),rgba(234,244,244,.46)),url('/assets/france-hydro-art.webp') center 48%/cover}.miniMap i{width:7px;height:7px;background:#0a7890;border:2px solid #fff;box-shadow:0 2px 8px rgba(7,62,82,.25)}.miniMap i:nth-child(9){background:#0a7890}.donut{background:conic-gradient(#0d7690 0 47%,#5f929d 47% 66%,#91bbc1 66% 81%,#d8e8e9 81%)}
.continentCard{isolation:isolate;background:#073e57}.continentCard:before{opacity:1;background:linear-gradient(180deg,rgba(3,27,40,.05) 12%,rgba(3,31,44,.88) 100%),url('/assets/continent-ameriques-v4.webp') center/cover}.continentCard.africa:before{background:linear-gradient(180deg,rgba(3,27,40,.04),rgba(3,31,44,.88)),url('/assets/continent-afrique-v4.webp') center/cover}.continentCard.asia:before{background:linear-gradient(180deg,rgba(3,27,40,.04),rgba(3,31,44,.88)),url('/assets/continent-asie-v4.webp') center/cover}.continentCard.europe:before{background:linear-gradient(180deg,rgba(3,27,40,.04),rgba(3,31,44,.88)),url('/assets/continent-europe-v4.webp') center/cover}.continentCard.oceania:before{background:linear-gradient(180deg,rgba(3,27,40,.04),rgba(3,31,44,.88)),url('/assets/continent-oceanie-v4.webp') center/cover}.continentCard.world:before{background:linear-gradient(180deg,rgba(3,27,40,.04),rgba(3,31,44,.88)),url('/assets/fleuves-hero.webp') center/cover}.continentCard:after{content:"";position:absolute;inset:0;border:1px solid rgba(255,255,255,.16);z-index:-1}.continentCard span,.continentCard small,.continentCard b{z-index:1;text-shadow:0 2px 14px rgba(0,20,30,.65)}
.articlePhoto{height:170px;background:linear-gradient(180deg,transparent,rgba(3,31,44,.3)),url('/assets/article-secheresse-v4.webp') center/cover}.article2 .articlePhoto{background:linear-gradient(180deg,transparent,rgba(3,31,44,.3)),url('/assets/article-restauration-v4.webp') center/cover}.article3 .articlePhoto{background:linear-gradient(180deg,transparent,rgba(3,31,44,.3)),url('/assets/article-crue-eclair-v4.webp') center/cover}.article4 .articlePhoto{background:linear-gradient(180deg,transparent,rgba(3,31,44,.3)),url('/assets/article-danube-v4.webp') center/cover}.articleCard{overflow:hidden}.articleCard h3{min-height:52px}
.internalHeroGrid{align-items:center}.internalHeroArt{width:100%;max-width:700px;justify-self:end}.internalHeroArt img{height:auto!important;max-height:420px;aspect-ratio:16/9;object-fit:cover}.internalHero{min-height:0!important}.internalHeroGrid>div{align-self:center}
.methodVisual{display:grid;grid-template-columns:repeat(4,1fr);margin:34px 0 8px;border-top:1px solid #d5e1e1;border-left:1px solid #d5e1e1}.methodVisual>div{min-height:215px;padding:28px;border-right:1px solid #d5e1e1;border-bottom:1px solid #d5e1e1;background:#fff}.methodVisual span{font:500 24px var(--serif);color:#7ba9b2}.methodVisual b{display:block;font:500 24px var(--serif);margin:28px 0 10px;color:#173f52}.methodVisual p{font-size:13px!important;line-height:1.55!important;color:#657a82!important;margin:0}.interpretationPanel{display:grid;grid-template-columns:1fr 1fr;margin:34px 0 8px;border:1px solid #d3e0e0}.interpretationPanel>div{padding:34px 38px;background:#fff}.interpretationPanel>div+div{background:#073e57;color:#fff}.interpretationPanel span{font-size:9px;font-weight:800;letter-spacing:.14em;color:#15788e}.interpretationPanel>div+div span{color:#82c3ce}.interpretationPanel b{display:block;font:500 27px/1.15 var(--serif);margin:12px 0}.interpretationPanel p{font-size:14px!important;line-height:1.65!important;color:#647980!important;margin:0}.interpretationPanel>div+div p{color:#c6dce0!important}
.hubMain{background:#fff}.hubHero{background:linear-gradient(125deg,#06364d 0%,#07566b 68%,#0b6878 100%);color:#fff;padding:48px 0 72px;overflow:hidden;position:relative}.hubHero:after{content:"";position:absolute;right:-9%;top:-55%;width:55%;height:210%;background:repeating-radial-gradient(ellipse at center,transparent 0 18px,rgba(151,212,220,.08) 19px 20px,transparent 21px 34px);transform:rotate(-12deg)}.hubHeroGrid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(520px,.9fr);gap:70px;align-items:center;position:relative;z-index:1}.hubHero .breadcrumbs{margin-bottom:68px}.hubHeroCopy h1{font:500 clamp(56px,5.2vw,88px)/.98 var(--serif);letter-spacing:-.035em;margin:12px 0 25px}.hubHeroCopy>p{max-width:880px;font-size:19px;line-height:1.72;color:#d9e9ec}.hubMetrics{display:grid;grid-template-columns:repeat(3,1fr);max-width:780px;margin-top:34px;border:1px solid rgba(255,255,255,.22)}.hubMetrics div{padding:18px 20px;border-right:1px solid rgba(255,255,255,.2)}.hubMetrics div:last-child{border:0}.hubMetrics b,.hubMetrics span{display:block}.hubMetrics b{font:500 26px var(--serif)}.hubMetrics span{font-size:10px;color:#bcd6da;margin-top:4px}.hubRankingVisual{background:#fff;color:#173f52;padding:38px 42px;box-shadow:0 24px 65px rgba(0,25,38,.25)}.hubRankingVisual>span,.hubFeaturedGrid span,.hubCatalogueHead span,.rankingMethod>div>span,.hubTrust span{font-size:9px;font-weight:800;letter-spacing:.15em;color:#14798f}.hubRankingVisual h2{font:500 34px var(--serif);margin:9px 0 25px}.hubRankingVisual ol{list-style:none;padding:0;margin:0}.hubRankingVisual li{display:grid;grid-template-columns:38px 1fr auto;gap:12px;padding:14px 0;border-top:1px solid #dbe5e5;align-items:center}.hubRankingVisual li>b{font:500 19px var(--serif);color:#6e9aa3}.hubRankingVisual li>strong{font:500 20px var(--serif)}.hubRankingVisual li>em{font:normal 12px var(--sans);font-weight:800}.hubRankingVisual small{display:block;margin-top:20px;color:#6c7d84;font-size:10px;line-height:1.5}.hubHeroPhoto{margin:0;background:#f4efe5;padding:10px;box-shadow:0 24px 65px rgba(0,25,38,.25);position:relative}.hubHeroPhoto img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;display:block}.hubHeroPhoto figcaption{position:absolute;right:18px;bottom:18px;background:rgba(255,255,255,.93);color:#173f52;padding:8px 11px;font-size:9px;font-weight:800;letter-spacing:.09em}.hubFeatured{margin-top:72px}.hubFeaturedGrid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #d7e0df;border-left:1px solid #d7e0df}.hubFeaturedGrid>a{min-height:310px;padding:34px;border-right:1px solid #d7e0df;border-bottom:1px solid #d7e0df;position:relative;background:#fff}.hubFeaturedGrid>a>b{font:500 32px var(--serif);color:#78a9b2}.hubFeaturedGrid>a>span{display:block;margin-top:34px}.hubFeaturedGrid h2{font:500 31px/1.08 var(--serif);margin:10px 0}.hubFeaturedGrid p{font-size:14px;color:#64777f}.hubFeaturedGrid em{position:absolute;left:34px;bottom:30px;font:normal 11px var(--sans);font-weight:800;color:#14768b}.rankingMethod{margin-top:64px;background:#073e57;color:#fff;display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;padding:52px 58px}.rankingMethod>div>span{color:#82c3ce}.rankingMethod h2{font:500 42px var(--serif);margin:9px 0 18px}.rankingMethod p{font-size:16px;line-height:1.72;color:#c8dce0}.rankingMethod ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr}.rankingMethod li{display:grid;grid-template-columns:38px 1fr;gap:12px;padding:20px;border-left:1px solid rgba(255,255,255,.18);border-top:1px solid rgba(255,255,255,.18)}.rankingMethod li>b{font:500 20px var(--serif);color:#7bc3cf}.rankingMethod li strong,.rankingMethod li span{display:block}.rankingMethod li strong{font:500 19px var(--serif);margin-bottom:5px}.rankingMethod li span{font-size:11px;color:#bdd2d6}.hubCatalogue{margin-top:72px;margin-bottom:78px}.hubCatalogueHead{display:grid;grid-template-columns:1fr 430px;gap:80px;align-items:end;margin-bottom:28px}.hubCatalogueHead h2{font:500 42px var(--serif);margin:8px 0 0}.hubCatalogueHead p{font-size:14px;line-height:1.65;color:#62757c}.hubListGrid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #dbe3e2;border-left:1px solid #dbe3e2}.hubListGrid a{min-height:205px;padding:28px;border-right:1px solid #dbe3e2;border-bottom:1px solid #dbe3e2;position:relative;background:#fff;transition:.2s}.hubListGrid a:hover{background:#eef6f6;transform:translateY(-2px)}.hubListGrid a>b{font:500 23px var(--serif);color:#77a6af}.hubListGrid a>span{display:block;margin-top:22px;font-size:9px;font-weight:800;letter-spacing:.1em;color:#14768b}.hubListGrid h3{font:500 23px/1.14 var(--serif);margin:8px 0 38px}.hubListGrid em{position:absolute;left:28px;bottom:24px;font:normal 10px var(--sans);font-weight:800;color:#14768b}.hubTrust{background:#073e57;color:#fff;padding:55px 0}.hubTrust>.wrap{display:grid;grid-template-columns:1fr 1fr auto;gap:55px;align-items:center}.hubTrust span{color:#82c3ce}.hubTrust h2{font:500 35px var(--serif);margin:8px 0 0}.hubTrust p{font-size:14px;line-height:1.7;color:#c7dce0}.hubTrust a{border:1px solid rgba(255,255,255,.55);padding:14px 18px;color:#fff;font-size:11px;font-weight:800;white-space:nowrap}
@media(max-width:1250px){.hubHeroGrid{grid-template-columns:1fr 470px;gap:40px}.hubCatalogueHead{grid-template-columns:1fr 330px}.hubListGrid{grid-template-columns:1fr 1fr}.hubTrust>.wrap{grid-template-columns:1fr 1fr}.hubTrust a{grid-column:1/-1;width:max-content}.articlePhoto{height:150px}}
@media(max-width:900px){.hubHeroGrid{grid-template-columns:1fr}.hubHero .breadcrumbs{margin-bottom:40px}.hubRankingVisual,.hubHeroPhoto{max-width:720px}.hubFeaturedGrid,.hubListGrid{grid-template-columns:1fr 1fr}.rankingMethod{grid-template-columns:1fr;padding:42px 34px}.hubCatalogueHead{grid-template-columns:1fr;gap:12px}.hubTrust>.wrap{grid-template-columns:1fr}.hubTrust a{grid-column:auto}.continentGrid{grid-template-columns:repeat(3,1fr)}.methodVisual{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.hubHero{padding:32px 0 48px}.hubHeroCopy h1{font-size:46px}.hubHeroCopy>p{font-size:16px}.hubMetrics{grid-template-columns:1fr}.hubMetrics div{border-right:0;border-bottom:1px solid rgba(255,255,255,.2)}.hubRankingVisual{padding:28px 22px}.hubFeaturedGrid,.hubListGrid{grid-template-columns:1fr}.hubFeaturedGrid>a{min-height:260px}.rankingMethod ol{grid-template-columns:1fr}.hubCatalogueHead h2{font-size:34px}.continentGrid{grid-template-columns:1fr 1fr}.articleGrid{grid-template-columns:1fr}.articlePhoto{height:220px}.methodVisual,.interpretationPanel{grid-template-columns:1fr}.methodVisual>div{min-height:170px}.interpretationPanel>div{padding:28px 24px}}

/* V5 — portails éditoriaux distincts et contenus internes spécialisés */
.hubSectionTitle{align-items:end}.hubSectionTitle>p{max-width:610px;margin:0 0 5px;font-size:14px;line-height:1.7;color:#62757c}.hubHero{padding:44px 0 82px}.hubHero-atlas{background:linear-gradient(125deg,#05364e 0%,#075d71 100%)}.hubHero-france{background:linear-gradient(125deg,#123e51 0%,#496f78 100%)}.hubHero-world{background:linear-gradient(125deg,#062f47 0%,#0a687b 100%)}.hubHero-learn{background:linear-gradient(125deg,#073b56 0%,#346b76 100%)}.hubHero-ranking{background:linear-gradient(125deg,#062f46 0%,#07576c 100%)}.hubHero-compare{background:linear-gradient(125deg,#082e43 0%,#0d6675 100%)}.hubHero-issues{background:linear-gradient(125deg,#0a3b4f 0%,#3c7078 100%)}.hubHero-watch{background:linear-gradient(125deg,#06374f 0%,#0a7283 100%)}.hubHero-method{background:linear-gradient(125deg,#123b4c 0%,#54777b 100%)}
.hubRouteGrid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #d6e1e1;border-left:1px solid #d6e1e1}.hubRouteGrid>a{min-height:355px;padding:34px 32px;border-right:1px solid #d6e1e1;border-bottom:1px solid #d6e1e1;background:#fff;position:relative;transition:.2s}.hubRouteGrid>a:hover{background:#edf6f6;transform:translateY(-3px)}.hubRouteGrid>a>b{font:500 32px var(--serif);color:#83aeb5}.hubRouteGrid>a>span{display:block;margin-top:34px;font-size:9px;font-weight:800;letter-spacing:.14em;color:#14778c}.hubRouteGrid h2{font:500 29px/1.08 var(--serif);margin:10px 0 14px}.hubRouteGrid p{font-size:14px;line-height:1.65;color:#667a82}.hubRouteGrid em{position:absolute;left:32px;bottom:28px;font:normal 11px var(--sans);font-weight:800;color:#14778c}
.hubQuestions{margin-top:74px}.hubQuestions>div:last-child{display:grid;grid-template-columns:repeat(3,1fr);background:#073e57;color:#fff}.hubQuestions article{min-height:270px;padding:35px 38px;border-right:1px solid rgba(255,255,255,.18)}.hubQuestions article:last-child{border:0}.hubQuestions article>b{font:500 25px var(--serif);color:#7dc5d0}.hubQuestions h2{font:500 28px/1.12 var(--serif);margin:28px 0 14px}.hubQuestions p{font-size:14px;line-height:1.7;color:#c7dce0}
.hubGroups{display:grid;gap:42px}.hubGroups>section{border-top:2px solid #0b6176}.hubGroups>section>div:first-child{display:grid;grid-template-columns:1fr auto;align-items:end;padding:22px 4px 16px}.hubGroups>section>div:first-child span{grid-column:1/-1;font-size:9px;font-weight:800;letter-spacing:.14em;color:#17788c}.hubGroups>section>div:first-child h3{font:500 31px var(--serif);margin:5px 0 0}.hubGroups>section>div:first-child b{font-size:11px;color:#648087}.hubGroups .hubListGrid a{min-height:180px}.hubGroups .hubListGrid h3{font-size:21px}.hubCatalogue{margin-bottom:92px}
.hubCompareVisual{background:#fff;color:#173f52;padding:38px;display:grid;grid-template-columns:1fr auto 1fr;gap:22px;align-items:center;box-shadow:0 24px 65px rgba(0,25,38,.25)}.hubCompareVisual>div{padding:22px;border-top:4px solid #0d7890}.hubCompareVisual span,.hubCompareVisual strong,.hubCompareVisual small{display:block}.hubCompareVisual span{font-size:10px;font-weight:800;letter-spacing:.15em;color:#14758a}.hubCompareVisual strong{font:500 31px var(--serif);margin:18px 0 6px}.hubCompareVisual small{font-size:11px;color:#65777e}.hubCompareVisual>b{font:500 18px var(--serif);color:#82a8b0}.hubCompareVisual>p{grid-column:1/-1;margin:0;padding-top:18px;border-top:1px solid #dbe4e4;font:500 22px var(--serif);text-align:center}
.hubWatchVisual,.hubMethodVisual{background:#fff;color:#173f52;padding:40px 42px;box-shadow:0 24px 65px rgba(0,25,38,.25)}.hubWatchVisual>span,.hubMethodVisual>span{font-size:9px;font-weight:800;letter-spacing:.15em;color:#14788d}.hubWatchVisual>strong{display:block;font:500 30px/1.15 var(--serif);margin:14px 0 30px}.hubWatchVisual>div{height:150px;display:flex;align-items:end;gap:13px;border-bottom:1px solid #bfd5d8;background:linear-gradient(180deg,#fff,#eef6f6)}.hubWatchVisual i{width:12%;height:var(--h,50%);background:#0b7890;border-radius:4px 4px 0 0}.hubWatchVisual i:nth-child(1){--h:24%}.hubWatchVisual i:nth-child(2){--h:38%}.hubWatchVisual i:nth-child(3){--h:46%}.hubWatchVisual i:nth-child(4){--h:74%}.hubWatchVisual i:nth-child(5){--h:60%}.hubWatchVisual i:nth-child(6){--h:86%}.hubWatchVisual i:nth-child(7){--h:52%}.hubWatchVisual>p{font-size:12px;color:#637980;margin:18px 0 0}.hubMethodVisual>div{display:grid;grid-template-columns:45px 1fr;padding:18px 0;border-top:1px solid #d9e4e4;align-items:center}.hubMethodVisual>div:first-of-type{margin-top:24px}.hubMethodVisual b{font:500 21px var(--serif);color:#83aab2}.hubMethodVisual strong{font:500 24px var(--serif)}
.specificModule{margin:0 0 28px}.conceptBoard{display:grid;grid-template-columns:1.15fr .85fr;background:#fff;border:1px solid #d6e2e2;box-shadow:0 14px 42px rgba(13,60,75,.06)}.conceptBoard>div{min-height:190px;padding:30px 34px;border-right:1px solid #d6e2e2;border-bottom:1px solid #d6e2e2}.conceptBoard>div:first-child{grid-row:span 2;background:#073e57;color:#fff;min-height:380px;display:flex;flex-direction:column;justify-content:center}.conceptBoard>div:last-child{grid-column:2/-1}.conceptBoard span{font-size:9px;font-weight:800;letter-spacing:.14em;color:#168099}.conceptBoard>div:first-child span{color:#86c8d2}.conceptBoard>div:first-child strong{font:500 34px/1.24 var(--serif);margin-top:26px}.conceptBoard p{font-size:15px;line-height:1.7;color:#5f737b}.issueConcept>div:first-child{background:#0a5969}
.rankingTable{background:#fff;border:1px solid #d6e2e2;box-shadow:0 14px 42px rgba(13,60,75,.06)}.rankingTableHead,.rankingTable>a{display:grid;grid-template-columns:70px minmax(180px,.8fr) minmax(170px,.6fr) 1fr;align-items:center}.rankingTableHead{padding:15px 22px;background:#073e57;color:#fff}.rankingTableHead span{font-size:9px;font-weight:800;letter-spacing:.12em}.rankingTable>a{min-height:78px;padding:0 22px;border-bottom:1px solid #dbe5e5;color:#173f52}.rankingTable>a:hover{background:#edf6f6}.rankingTable>a>b{font:500 21px var(--serif);color:#78a7b0}.rankingTable>a>strong{font:500 22px var(--serif)}.rankingTable>a>em{font:normal 14px var(--sans);font-weight:800;color:#0b6d82}.rankingTable>a>span{font-size:12px;color:#667981}.rankingTable>small{display:block;padding:15px 22px;font-size:10px;color:#6b7c82}
.comparisonBoard{background:#fff;border:1px solid #d5e1e1;box-shadow:0 14px 42px rgba(13,60,75,.06)}.comparisonNames{display:grid;grid-template-columns:1fr 70px 1fr;background:#073e57;color:#fff;align-items:center}.comparisonNames>div{padding:34px 38px}.comparisonNames>div:last-child{text-align:right}.comparisonNames span{font-size:9px;letter-spacing:.14em;color:#86c7d1}.comparisonNames h3{font:500 35px var(--serif);margin:9px 0 20px}.comparisonNames a{font-size:10px;font-weight:800;color:#99d4dc}.comparisonNames>b{text-align:center;color:#78b9c4}.comparisonMetrics>div{display:grid;grid-template-columns:150px 1fr 40px 1fr;gap:16px;padding:20px 28px;border-bottom:1px solid #dce5e5;align-items:center}.comparisonMetrics b{font:500 20px var(--serif)}.comparisonMetrics span{font-size:14px}.comparisonMetrics span:last-child{text-align:right}.comparisonMetrics i{text-align:center;font-style:normal;color:#71a5ae}.comparisonBoard>p{font-size:12px;line-height:1.6;color:#63777f;margin:0;padding:20px 28px;background:#eef6f6}
.riverNetwork{display:grid;grid-template-columns:1fr 45px 1.2fr 45px 1fr;align-items:stretch;background:#fff;border:1px solid #d5e1e1;box-shadow:0 14px 42px rgba(13,60,75,.06)}.riverNetwork>div{padding:30px}.riverNetwork>i{display:flex;align-items:center;justify-content:center;font-style:normal;color:#75a8b1}.riverNetwork span,.atlasReading span{display:block;font-size:9px;font-weight:800;letter-spacing:.13em;color:#167b90}.riverNetwork strong{display:block;font:500 23px/1.24 var(--serif);margin-top:13px}.riverNetworkCenter{background:#073e57;color:#fff}.riverNetworkCenter span{color:#83c5cf}.riverNetworkCenter small{display:block;margin-top:18px;color:#bcd5da;font-size:10px}.basinReading{display:grid;grid-template-columns:repeat(4,1fr);background:#073e57;color:#fff}.basinReading>div{min-height:190px;padding:30px;border-right:1px solid rgba(255,255,255,.18)}.basinReading b{font:500 23px var(--serif);color:#79bdc8}.basinReading span,.basinReading strong{display:block}.basinReading strong{font:500 22px var(--serif);margin:25px 0 8px}.basinReading span{font-size:12px;line-height:1.55;color:#c4d9dd}.atlasReading{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid #d5e1e1;background:#fff}.atlasReading>div{min-height:150px;padding:30px;border-right:1px solid #d5e1e1}.atlasReading strong{display:block;font:500 23px var(--serif);margin-top:20px}
@media(max-width:1250px){.hubRouteGrid{grid-template-columns:1fr 1fr}.hubCompareVisual{padding:28px}.riverNetwork{grid-template-columns:1fr}.riverNetwork>i{height:35px;transform:rotate(90deg)}.basinReading{grid-template-columns:1fr 1fr}}
@media(max-width:900px){.hubSectionTitle{display:block}.hubSectionTitle>p{margin-top:16px}.hubQuestions>div:last-child{grid-template-columns:1fr}.hubQuestions article{border-right:0;border-bottom:1px solid rgba(255,255,255,.18)}.hubCompareVisual{grid-template-columns:1fr}.hubCompareVisual>b{text-align:center}.conceptBoard{grid-template-columns:1fr}.conceptBoard>div:first-child{grid-row:auto;min-height:280px}.conceptBoard>div:last-child{grid-column:auto}.rankingTableHead{display:none}.rankingTable>a{grid-template-columns:48px 1fr 1fr}.rankingTable>a>span{grid-column:2/-1;padding-bottom:15px}.comparisonMetrics>div{grid-template-columns:100px 1fr 25px 1fr}}
@media(max-width:600px){.hubRouteGrid{grid-template-columns:1fr}.hubRouteGrid>a{min-height:280px}.hubCompareVisual>div{padding:16px}.hubGroups .hubListGrid{grid-template-columns:1fr}.conceptBoard>div{padding:26px 22px}.conceptBoard>div:first-child strong{font-size:28px}.rankingTable>a{grid-template-columns:38px 1fr;padding:15px 18px}.rankingTable>a>em{grid-column:2}.rankingTable>a>span{grid-column:2}.comparisonNames{grid-template-columns:1fr}.comparisonNames>b{padding:0}.comparisonNames>div:last-child{text-align:left}.comparisonMetrics>div{grid-template-columns:1fr 1fr}.comparisonMetrics b{grid-column:1/-1}.comparisonMetrics i{display:none}.comparisonMetrics span:last-child{text-align:left}.basinReading,.atlasReading{grid-template-columns:1fr}.basinReading>div,.atlasReading>div{border-right:0;border-bottom:1px solid rgba(255,255,255,.18)}}

/* V6 — reliable, explicit home media */
.heroImageEl{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;display:block;z-index:0}.hero:before{display:none}.hero:after,.heroShade{z-index:1}.featureImage,.franceArt{margin:0;min-width:0;overflow:hidden;background:#e7efef}.featureImage img,.franceArt img{display:block;width:100%;height:100%;object-fit:cover}.continentCard>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;z-index:0}.continentCard:before{z-index:1;background:linear-gradient(180deg,rgba(3,27,40,.02) 10%,rgba(3,31,44,.9) 100%)!important}.continentCard:after{z-index:1}.continentCard span,.continentCard small,.continentCard b{z-index:2}.recordVisual{display:block;width:calc(100% + 80px);height:220px;object-fit:cover;margin:-40px -40px 28px;position:relative;z-index:0;border-bottom:1px solid rgba(255,255,255,.18)}.dataPhoto{height:165px;margin:22px 0 52px;overflow:hidden;background:#e7efef}.dataPhoto img,.articlePhoto img{display:block;width:100%;height:100%;object-fit:cover}.articlePhoto{overflow:hidden}.recordCard>a{bottom:32px}
@media(max-width:600px){.recordVisual{width:calc(100% + 56px);height:200px;margin:-28px -28px 24px}.dataPhoto{height:190px}}

/* V6 — richer indexes and subject-specific internal pages */
.answerBox .uncertainty{background:#edf7f7;border-color:#cfe3e5;color:#3f6069}.birthIllustration figcaption span,.editorialFigure figcaption span{color:#14778c}.hubRouteGrid>a{padding:0;min-height:470px;overflow:hidden}.hubRouteGrid>a>img{display:block;width:100%;height:185px;object-fit:cover;border-bottom:1px solid #d6e1e1}.hubRouteGrid>a>div{padding:25px 30px 72px;position:relative;min-height:284px}.hubRouteGrid>a>div>b{font:500 27px var(--serif);color:#83aeb5}.hubRouteGrid>a>div>span{display:block;margin-top:16px;font-size:9px;font-weight:800;letter-spacing:.14em;color:#14778c}.hubRouteGrid>a>div>em{position:absolute;left:30px;bottom:26px;font:normal 11px var(--sans);font-weight:800;color:#14778c}.hubMore{border:1px solid #dbe3e2;border-top:0;background:#f3f8f8}.hubMore summary{cursor:pointer;padding:20px 26px;font-weight:800;color:#0b657a;list-style:none}.hubMore summary:after{content:"＋";float:right}.hubMore[open] summary:after{content:"−"}.hubMore>.hubListGrid{border-left:0}.territoryNetwork{background:#073e57;color:#fff}.territoryNetworkIntro{display:grid;grid-template-columns:220px 1fr 1fr;gap:28px;align-items:center;padding:27px 30px;border-bottom:1px solid rgba(255,255,255,.18)}.territoryNetworkIntro>span{font-size:9px;font-weight:800;letter-spacing:.15em;color:#78c1cd}.territoryNetworkIntro>strong{font:500 25px var(--serif)}.territoryNetworkIntro>p{font-size:12px!important;line-height:1.6!important;color:#c7dce0!important;margin:0}.territoryRiverGrid{display:grid;grid-template-columns:repeat(3,1fr)}.territoryRiverGrid a{min-height:165px;padding:23px;border-right:1px solid rgba(255,255,255,.18);border-bottom:1px solid rgba(255,255,255,.18);position:relative}.territoryRiverGrid a>b{font:500 19px var(--serif);color:#78c1cd}.territoryRiverGrid a>span{display:block;font-size:8px;letter-spacing:.1em;color:#a9cbd1;margin-top:14px}.territoryRiverGrid a>strong{display:block;font:500 20px var(--serif);margin-top:5px}.territoryRiverGrid a>em{position:absolute;left:23px;bottom:18px;font:normal 9px var(--sans);color:#8ed1dc}.editorialFigure img{aspect-ratio:16/9;object-fit:cover}.internalHeroArt img{min-height:280px}.contentArticle{font-size:18px}
@media(max-width:900px){.territoryNetworkIntro{grid-template-columns:1fr}.territoryRiverGrid{grid-template-columns:1fr 1fr}.hubRouteGrid>a{min-height:450px}}
@media(max-width:600px){.territoryRiverGrid{grid-template-columns:1fr}.hubRouteGrid>a{min-height:0}.hubRouteGrid>a>img{height:220px}.hubRouteGrid>a>div{min-height:270px}.internalHeroArt img{min-height:0}}
.distinctionPanel{display:grid;grid-template-columns:repeat(3,1fr);margin-top:28px;background:#fff;border-top:1px solid #d7e3e3;border-left:1px solid #d7e3e3}.distinctionPanel>div{min-height:180px;padding:24px;border-right:1px solid #d7e3e3;border-bottom:1px solid #d7e3e3}.distinctionPanel span,.territoryContext>span{display:block;font-size:9px;font-weight:800;letter-spacing:.14em;color:#14788e;margin-bottom:14px}.distinctionPanel strong{font:500 18px/1.5 var(--serif);color:#294b5a}.issueDistinction>div:first-child{background:#073e57}.issueDistinction>div:first-child span{color:#7ac3cf}.issueDistinction>div:first-child strong{color:#fff}.territoryContext{margin-top:28px;padding:28px 30px;background:#fff;border-left:5px solid #1684a0}.territoryContext>strong{display:block;font:500 22px/1.45 var(--serif)}.territoryContext>p{font-size:14px!important;margin-bottom:0}.evidenceProtocol{display:grid;grid-template-columns:1.4fr repeat(3,1fr);border:1px solid #d7e3e3;background:#f1f7f7}.evidenceProtocol>*{padding:17px 19px;border-right:1px solid #d7e3e3}.evidenceProtocol>*:last-child{border:0}.evidenceProtocol b{font:500 18px var(--serif)}.evidenceProtocol span{font-size:12px;line-height:1.5;color:#4d6974}
@media(max-width:900px){.distinctionPanel{grid-template-columns:1fr}.evidenceProtocol{grid-template-columns:1fr 1fr}.evidenceProtocol b{grid-column:1/-1}.evidenceProtocol>*{border-bottom:1px solid #d7e3e3}}
@media(max-width:600px){.evidenceProtocol{grid-template-columns:1fr}.evidenceProtocol b{grid-column:auto}.evidenceProtocol>*{border-right:0}}

/* V7 — homogeneous rubric heroes and honest pending media */
.hubHero-atlas,.hubHero-france,.hubHero-world,.hubHero-learn,.hubHero-ranking,.hubHero-compare,.hubHero-issues,.hubHero-watch,.hubHero-method{background:linear-gradient(118deg,#052f46 0%,#07566b 100%)}
.hubHero{padding:46px 0 76px}.hubHeroGrid{grid-template-columns:minmax(0,1.05fr) minmax(560px,.95fr);gap:72px}.hubHero .breadcrumbs{margin-bottom:58px}.hubHeroPhoto{margin:0;padding:0;background:#0b3c50;border:1px solid rgba(255,255,255,.32);box-shadow:0 28px 72px rgba(0,24,37,.35);overflow:hidden;min-height:410px;position:relative}.hubHeroPhoto:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 48%,rgba(2,29,42,.72) 100%);pointer-events:none}.hubHeroPhoto img{width:100%;height:410px;aspect-ratio:auto;object-fit:cover;display:block;filter:saturate(.88) contrast(1.04)}.hubHeroPhoto figcaption{left:24px;right:auto;bottom:22px;z-index:1;background:rgba(5,44,61,.88);color:#fff;border:1px solid rgba(255,255,255,.28);padding:10px 13px;font-size:10px}.hubHeroPhoto figcaption span{font-weight:800;letter-spacing:.12em;color:#8dd0da;margin-right:8px}
.mediaPending{position:relative;min-height:420px;margin:26px 0 0;overflow:hidden;border:1px solid #cbdcdd;background:linear-gradient(135deg,#f7fbfb 0%,#e3f0f1 100%);color:#173f52;display:grid;grid-template-columns:.78fr 1.22fr;align-items:center}.mediaPending:before{content:"";position:absolute;inset:-35%;background:repeating-radial-gradient(ellipse at 25% 55%,transparent 0 20px,rgba(19,112,132,.12) 21px 22px,transparent 23px 38px);transform:rotate(-9deg)}.mediaPendingMark{position:relative;z-index:1;height:100%;min-height:420px;border-right:1px solid #cbdcdd;background:linear-gradient(160deg,rgba(7,62,87,.96),rgba(9,103,119,.9));overflow:hidden}.mediaPendingMark:before{content:"";position:absolute;left:-8%;right:-12%;top:50%;height:18px;background:#85d0da;border-radius:70% 10% 70% 10%;transform:rotate(-12deg);box-shadow:0 0 0 8px rgba(133,208,218,.1)}.mediaPendingMark i{position:absolute;height:3px;width:48%;background:#70bdc9;transform-origin:right}.mediaPendingMark i:nth-child(1){left:-2%;top:27%;transform:rotate(29deg)}.mediaPendingMark i:nth-child(2){left:5%;top:75%;transform:rotate(-27deg)}.mediaPendingMark i:nth-child(3){right:2%;top:33%;transform:rotate(-28deg)}.mediaPendingMark i:nth-child(4){right:-4%;top:72%;transform:rotate(23deg)}.mediaPendingCopy{position:relative;z-index:1;padding:48px 52px}.mediaPendingCopy span{display:block;font-size:10px;font-weight:800;letter-spacing:.16em;color:#14778c;margin-bottom:22px}.mediaPendingCopy strong{display:block;font:500 38px/1.08 var(--serif);letter-spacing:-.02em}.mediaPendingCopy p{font-size:14px!important;line-height:1.65!important;color:#55717b!important;margin:22px 0 0!important;max-width:520px!important}.mediaPending figcaption{position:absolute;z-index:2;left:calc(39% + 52px);bottom:22px;font-size:9px;color:#6a8189}.mediaPendingHero{margin:0;min-height:340px;border-color:rgba(255,255,255,.35);background:linear-gradient(135deg,#edf6f6,#d6e8e9)}.mediaPendingHero .mediaPendingMark{min-height:340px}.mediaPendingHero .mediaPendingCopy{padding:38px 42px}.mediaPendingHero .mediaPendingCopy strong{font-size:32px}.mediaPendingHero figcaption{left:calc(39% + 42px);bottom:18px}
@media(max-width:1200px){.hubHeroGrid{grid-template-columns:1fr 470px;gap:42px}.hubHeroPhoto,.hubHeroPhoto img{min-height:360px;height:360px}.mediaPendingCopy{padding:38px}.mediaPending figcaption{left:calc(39% + 38px)}}
@media(max-width:900px){.hubHeroGrid{grid-template-columns:1fr}.hubHeroPhoto{max-width:none}.mediaPending{grid-template-columns:1fr}.mediaPendingMark{display:none}.mediaPending figcaption,.mediaPendingHero figcaption{left:32px}.mediaPendingHero{max-width:none}}
@media(max-width:600px){.hubHeroPhoto,.hubHeroPhoto img{height:270px;min-height:270px}.mediaPending{min-height:360px}.mediaPendingCopy,.mediaPendingHero .mediaPendingCopy{padding:34px 28px 70px}.mediaPendingCopy strong,.mediaPendingHero .mediaPendingCopy strong{font-size:30px}.mediaPending figcaption,.mediaPendingHero figcaption{left:28px;right:28px;bottom:20px}}
.mediaPendingHero figcaption{display:none!important}

/* V8 — immersive, cinematic rubric heroes */
.hubHero{position:relative;isolation:isolate;display:flex;align-items:stretch;min-height:690px;padding:0;background:#052f46;color:#fff;overflow:hidden}
.hubHero:after{display:none}
.hubHeroBackdrop{position:absolute;inset:0;z-index:0;width:100%;height:100%;object-fit:cover;object-position:center;filter:saturate(.94) contrast(1.05);transform:scale(1.01)}
.hubHeroWash{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(2,24,36,.96) 0%,rgba(3,35,49,.87) 28%,rgba(3,38,51,.55) 50%,rgba(2,28,40,.16) 77%,rgba(2,25,36,.1) 100%),linear-gradient(180deg,rgba(1,20,30,.18) 0%,transparent 43%,rgba(1,20,30,.55) 100%)}
.hubHeroGrid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:80px;align-items:end;min-height:690px;padding-top:74px;padding-bottom:66px}
.hubHeroCopy{align-self:stretch;display:flex;flex-direction:column;justify-content:flex-end;max-width:1040px}
.hubHero .breadcrumbs{position:absolute;top:38px;left:0;margin:0;color:#d8e8ea}
.hubHero .breadcrumbs a,.hubHero .breadcrumbs strong{color:inherit}
.hubHeroCopy .pageType{color:#9bd0d7;text-shadow:0 1px 12px rgba(0,0,0,.28)}
.hubHeroCopy h1{max-width:1040px;margin:15px 0 25px;font:500 clamp(64px,6.1vw,108px)/.93 var(--serif);letter-spacing:-.045em;text-wrap:balance;text-shadow:0 3px 28px rgba(0,20,30,.42)}
.hubHeroCopy>p{max-width:820px;margin:0;font-size:20px;line-height:1.65;color:#e5eff0;text-shadow:0 2px 18px rgba(0,20,30,.42)}
.hubMetrics{display:grid;grid-template-columns:repeat(3,1fr);width:min(100%,760px);max-width:none;margin-top:32px;border:1px solid rgba(255,255,255,.3);background:rgba(3,35,48,.42);box-shadow:0 16px 44px rgba(0,19,29,.16);backdrop-filter:blur(12px)}
.hubMetrics div{padding:17px 20px;border-right:1px solid rgba(255,255,255,.24)}
.hubMetrics b{font:500 27px var(--serif)}
.hubMetrics span{color:#c8dfe2}
.hubHeroCta{display:inline-flex;align-items:center;gap:14px;width:max-content;margin-top:25px;padding:0 0 7px;border-bottom:1px solid rgba(255,255,255,.68);color:#fff;font-size:12px;font-weight:800;letter-spacing:.04em}
.hubHeroCta b{font-size:17px;transition:transform .2s ease}
.hubHeroCta:hover b{transform:translateX(5px)}
.hubHeroStamp{align-self:end;margin-bottom:2px;padding:27px 29px;border:1px solid rgba(255,255,255,.3);background:rgba(3,32,45,.58);box-shadow:0 22px 60px rgba(0,17,27,.18);backdrop-filter:blur(13px);color:#fff}
.hubHeroStamp span,.hubHeroStamp strong,.hubHeroStamp small{display:block}
.hubHeroStamp span{font-size:9px;font-weight:800;letter-spacing:.17em;color:#8fcad2}
.hubHeroStamp strong{margin-top:15px;font:500 27px/1.16 var(--serif);text-wrap:balance}
.hubHeroStamp small{margin-top:24px;padding-top:14px;border-top:1px solid rgba(255,255,255,.22);font-size:9px;letter-spacing:.07em;color:#c3d9dc}
@media(max-width:1200px){.hubHero,.hubHeroGrid{min-height:640px}.hubHeroGrid{grid-template-columns:minmax(0,1fr) 320px;gap:46px}.hubHeroCopy h1{font-size:clamp(58px,6vw,82px)}.hubHeroStamp{padding:24px}}
@media(max-width:900px){.hubHero,.hubHeroGrid{min-height:650px}.hubHeroGrid{grid-template-columns:1fr;padding-top:92px;padding-bottom:42px}.hubHeroCopy{align-self:end}.hubHero .breadcrumbs{top:28px}.hubHeroStamp{display:none}.hubHeroCopy h1{font-size:clamp(50px,9vw,74px)}.hubHeroCopy>p{font-size:18px}}
@media(max-width:600px){.hubHero,.hubHeroGrid{min-height:640px}.hubHeroGrid{padding-top:82px;padding-bottom:34px}.hubHeroBackdrop{object-position:62% center}.hubHeroWash{background:linear-gradient(90deg,rgba(2,25,37,.93),rgba(2,31,43,.63)),linear-gradient(180deg,rgba(1,20,30,.16),transparent 36%,rgba(1,20,30,.67))}.hubHeroCopy h1{font-size:48px;line-height:.98;margin-bottom:20px}.hubHeroCopy>p{font-size:16px;line-height:1.58}.hubMetrics{grid-template-columns:repeat(3,1fr);margin-top:25px}.hubMetrics div{padding:13px 10px}.hubMetrics b{font-size:21px}.hubMetrics span{font-size:8px}.hubHeroCta{margin-top:20px}}