/* Fonds étoilés — famille de textures secondaires de l'identité Empire Plâtrage.
   Noir profond, petites étoiles blanches irrégulières, aucun motif décoratif apparent.
   À alterner avec des sections noires ou blanches épurées : jamais sur toutes les sections. */
:root{
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297px,rgba(255,255,255,0.51) 0 1.3px,transparent 1.9px),radial-gradient(circle 1.4px at 355px 17px,rgba(255,255,255,0.59) 0 1.4px,transparent 2.0px),radial-gradient(circle 1.8px at 227px 136px,rgba(255,255,255,0.22) 0 1.8px,transparent 2.4px),radial-gradient(circle 2.1px at 38px 588px,rgba(255,255,255,0.19) 0 2.1px,transparent 2.7px),radial-gradient(circle 1.8px at 344px 40px,rgba(255,255,255,0.21) 0 1.8px,transparent 2.4px),radial-gradient(circle 2.1px at 557px 618px,rgba(255,255,255,0.27) 0 2.1px,transparent 2.7px),radial-gradient(circle 1.7px at 264px 734px,rgba(255,255,255,0.30) 0 1.7px,transparent 2.3px),radial-gradient(circle 1.7px at 217px 565px,rgba(255,255,255,0.23) 0 1.7px,transparent 2.3px),radial-gradient(circle 2.1px at 54px 200px,rgba(255,255,255,0.28) 0 2.1px,transparent 2.7px),radial-gradient(circle 2.0px at 249px 515px,rgba(255,255,255,0.29) 0 2.0px,transparent 2.6px),radial-gradient(circle 1.6px at 714px 343px,rgba(255,255,255,0.23) 0 1.6px,transparent 2.2px),radial-gradient(circle 2.0px at 398px 394px,rgba(255,255,255,0.32) 0 2.0px,transparent 2.6px),radial-gradient(circle 2.0px at 651px 258px,rgba(255,255,255,0.30) 0 2.0px,transparent 2.6px),radial-gradient(circle 1.7px at 46px 96px,rgba(255,255,255,0.23) 0 1.7px,transparent 2.3px),radial-gradient(circle 1.8px at 92px 565px,rgba(255,255,255,0.20) 0 1.8px,transparent 2.4px),radial-gradient(circle 1.7px at 63px 45px,rgba(255,255,255,0.23) 0 1.7px,transparent 2.3px),radial-gradient(circle 1.7px at 829px 575px,rgba(255,255,255,0.22) 0 1.7px,transparent 2.3px),radial-gradient(circle 1.7px at 885px 663px,rgba(255,255,255,0.20) 0 1.7px,transparent 2.3px),radial-gradient(circle 1.9px at 385px 441px,rgba(255,255,255,0.29) 0 1.9px,transparent 2.5px),radial-gradient(circle 2.1px at 435px 743px,rgba(255,255,255,0.18) 0 2.1px,transparent 2.7px),radial-gradient(circle 2.1px at 423px 691px,rgba(255,255,255,0.22) 0 2.1px,transparent 2.7px),radial-gradient(circle 1.7px at 860px 49px,rgba(255,255,255,0.26) 0 1.7px,transparent 2.3px),radial-gradient(circle 2.1px at 580px 681px,rgba(255,255,255,0.25) 0 2.1px,transparent 2.7px),radial-gradient(circle 2.1px at 712px 72px,rgba(255,255,255,0.22) 0 2.1px,transparent 2.7px),radial-gradient(circle 2.2px at 233px 504px,rgba(255,255,255,0.31) 0 2.2px,transparent 2.8px),radial-gradient(circle 2.0px at 453px 639px,rgba(255,255,255,0.30) 0 2.0px,transparent 2.6px),radial-gradient(circle 1.6px at 98px 294px,rgba(255,255,255,0.24) 0 1.6px,transparent 2.2px),radial-gradient(circle 1.8px at 594px 5px,rgba(255,255,255,0.20) 0 1.8px,transparent 2.4px); /* @kind other */
  --starfield-dense-size:1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1600px 1100px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,1180px 940px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px,900px 760px; /* @kind other */
  --starfield-subtle:radial-gradient(circle 1.0px at 468px 528px,rgba(255,255,255,0.59) 0 1.0px,transparent 1.6px),radial-gradient(circle 1.0px at 1185px 169px,rgba(255,255,255,0.51) 0 1.0px,transparent 1.6px),radial-gradient(circle 0.8px at 1510px 461px,rgba(255,255,255,0.77) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.6px at 471px 22px,rgba(255,255,255,0.66) 0 0.6px,transparent 1.2px),radial-gradient(circle 0.8px at 300px 1016px,rgba(255,255,255,0.52) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.6px at 552px 465px,rgba(255,255,255,0.62) 0 0.6px,transparent 1.2px),radial-gradient(circle 0.8px at 1478px 1066px,rgba(255,255,255,0.48) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.9px at 422px 579px,rgba(255,255,255,0.69) 0 0.9px,transparent 1.5px),radial-gradient(circle 0.7px at 1131px 747px,rgba(255,255,255,0.74) 0 0.7px,transparent 1.3px),radial-gradient(circle 0.9px at 210px 233px,rgba(255,255,255,0.58) 0 0.9px,transparent 1.5px),radial-gradient(circle 0.6px at 353px 1125px,rgba(255,255,255,0.46) 0 0.6px,transparent 1.2px),radial-gradient(circle 0.7px at 135px 89px,rgba(255,255,255,0.58) 0 0.7px,transparent 1.3px),radial-gradient(circle 0.8px at 644px 337px,rgba(255,255,255,0.45) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.6px at 1692px 473px,rgba(255,255,255,0.50) 0 0.6px,transparent 1.2px),radial-gradient(circle 1.0px at 1532px 600px,rgba(255,255,255,0.68) 0 1.0px,transparent 1.6px),radial-gradient(circle 0.6px at 867px 333px,rgba(255,255,255,0.50) 0 0.6px,transparent 1.2px),radial-gradient(circle 0.9px at 433px 910px,rgba(255,255,255,0.79) 0 0.9px,transparent 1.5px),radial-gradient(circle 1.0px at 587px 1061px,rgba(255,255,255,0.76) 0 1.0px,transparent 1.6px),radial-gradient(circle 0.7px at 1539px 597px,rgba(255,255,255,0.48) 0 0.7px,transparent 1.3px),radial-gradient(circle 0.9px at 1598px 801px,rgba(255,255,255,0.64) 0 0.9px,transparent 1.5px),radial-gradient(circle 0.6px at 1436px 573px,rgba(255,255,255,0.78) 0 0.6px,transparent 1.2px),radial-gradient(circle 1.0px at 676px 822px,rgba(255,255,255,0.45) 0 1.0px,transparent 1.6px),radial-gradient(circle 0.7px at 759px 1042px,rgba(255,255,255,0.57) 0 0.7px,transparent 1.3px),radial-gradient(circle 0.9px at 1266px 1173px,rgba(255,255,255,0.68) 0 0.9px,transparent 1.5px),radial-gradient(circle 0.7px at 1069px 491px,rgba(255,255,255,0.72) 0 0.7px,transparent 1.3px),radial-gradient(circle 0.6px at 859px 10px,rgba(255,255,255,0.69) 0 0.6px,transparent 1.2px),radial-gradient(circle 0.8px at 571px 756px,rgba(255,255,255,0.70) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.8px at 993px 195px,rgba(255,255,255,0.71) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.8px at 553px 160px,rgba(255,255,255,0.61) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.9px at 790px 378px,rgba(255,255,255,0.64) 0 0.9px,transparent 1.5px),radial-gradient(circle 0.7px at 471px 1130px,rgba(255,255,255,0.62) 0 0.7px,transparent 1.3px),radial-gradient(circle 0.7px at 1220px 548px,rgba(255,255,255,0.69) 0 0.7px,transparent 1.3px),radial-gradient(circle 1.0px at 347px 1085px,rgba(255,255,255,0.67) 0 1.0px,transparent 1.6px),radial-gradient(circle 1.0px at 1403px 457px,rgba(255,255,255,0.53) 0 1.0px,transparent 1.6px),radial-gradient(circle 0.6px at 312px 201px,rgba(255,255,255,0.60) 0 0.6px,transparent 1.2px),radial-gradient(circle 0.7px at 536px 529px,rgba(255,255,255,0.70) 0 0.7px,transparent 1.3px),radial-gradient(circle 0.9px at 678px 851px,rgba(255,255,255,0.56) 0 0.9px,transparent 1.5px),radial-gradient(circle 0.7px at 351px 429px,rgba(255,255,255,0.76) 0 0.7px,transparent 1.3px),radial-gradient(circle 0.8px at 833px 1123px,rgba(255,255,255,0.56) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.9px at 1310px 123px,rgba(255,255,255,0.73) 0 0.9px,transparent 1.5px),radial-gradient(circle 0.8px at 377px 404px,rgba(255,255,255,0.54) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.8px at 1028px 1000px,rgba(255,255,255,0.71) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.7px at 785px 248px,rgba(255,255,255,0.66) 0 0.7px,transparent 1.3px),radial-gradient(circle 0.8px at 24px 1079px,rgba(255,255,255,0.58) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.6px at 803px 519px,rgba(255,255,255,0.69) 0 0.6px,transparent 1.2px),radial-gradient(circle 0.7px at 1209px 1080px,rgba(255,255,255,0.71) 0 0.7px,transparent 1.3px),radial-gradient(circle 1.3px at 376px 705px,rgba(255,255,255,0.37) 0 1.3px,transparent 1.9px),radial-gradient(circle 1.2px at 897px 58px,rgba(255,255,255,0.25) 0 1.2px,transparent 1.8px),radial-gradient(circle 1.5px at 262px 452px,rgba(255,255,255,0.33) 0 1.5px,transparent 2.1px),radial-gradient(circle 1.1px at 577px 284px,rgba(255,255,255,0.29) 0 1.1px,transparent 1.7px),radial-gradient(circle 1.1px at 897px 394px,rgba(255,255,255,0.25) 0 1.1px,transparent 1.7px),radial-gradient(circle 1.1px at 265px 649px,rgba(255,255,255,0.23) 0 1.1px,transparent 1.7px),radial-gradient(circle 1.0px at 125px 794px,rgba(255,255,255,0.36) 0 1.0px,transparent 1.6px),radial-gradient(circle 1.4px at 524px 705px,rgba(255,255,255,0.27) 0 1.4px,transparent 2.0px),radial-gradient(circle 1.2px at 448px 453px,rgba(255,255,255,0.23) 0 1.2px,transparent 1.8px),radial-gradient(circle 1.0px at 1248px 787px,rgba(255,255,255,0.35) 0 1.0px,transparent 1.6px),radial-gradient(circle 1.1px at 751px 964px,rgba(255,255,255,0.23) 0 1.1px,transparent 1.7px),radial-gradient(circle 1.2px at 1067px 42px,rgba(255,255,255,0.24) 0 1.2px,transparent 1.8px),radial-gradient(circle 1.2px at 133px 28px,rgba(255,255,255,0.41) 0 1.2px,transparent 1.8px),radial-gradient(circle 1.3px at 1054px 534px,rgba(255,255,255,0.41) 0 1.3px,transparent 1.9px),radial-gradient(circle 1.4px at 841px 824px,rgba(255,255,255,0.39) 0 1.4px,transparent 2.0px),radial-gradient(circle 1.0px at 1042px 390px,rgba(255,255,255,0.37) 0 1.0px,transparent 1.6px),radial-gradient(circle 1.4px at 1222px 455px,rgba(255,255,255,0.26) 0 1.4px,transparent 2.0px),radial-gradient(circle 1.1px at 247px 33px,rgba(255,255,255,0.31) 0 1.1px,transparent 1.7px),radial-gradient(circle 1.4px at 766px 449px,rgba(255,255,255,0.32) 0 1.4px,transparent 2.0px),radial-gradient(circle 1.5px at 896px 455px,rgba(255,255,255,0.29) 0 1.5px,transparent 2.1px),radial-gradient(circle 1.3px at 364px 321px,rgba(255,255,255,0.34) 0 1.3px,transparent 1.9px),radial-gradient(circle 1.2px at 558px 569px,rgba(255,255,255,0.32) 0 1.2px,transparent 1.8px); /* @kind other */
  --starfield-subtle-size:1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1700px 1200px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px,1300px 1000px; /* @kind other */
  --starfield-quiet:radial-gradient(circle 0.7px at 604px 542px,rgba(255,255,255,0.43) 0 0.7px,transparent 1.3px),radial-gradient(circle 0.7px at 16px 505px,rgba(255,255,255,0.54) 0 0.7px,transparent 1.3px),radial-gradient(circle 0.8px at 1609px 914px,rgba(255,255,255,0.37) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.7px at 1390px 934px,rgba(255,255,255,0.52) 0 0.7px,transparent 1.3px),radial-gradient(circle 0.8px at 44px 675px,rgba(255,255,255,0.49) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.9px at 654px 388px,rgba(255,255,255,0.41) 0 0.9px,transparent 1.5px),radial-gradient(circle 0.8px at 1488px 634px,rgba(255,255,255,0.43) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.7px at 631px 502px,rgba(255,255,255,0.49) 0 0.7px,transparent 1.3px),radial-gradient(circle 0.9px at 1197px 423px,rgba(255,255,255,0.39) 0 0.9px,transparent 1.5px),radial-gradient(circle 0.8px at 659px 799px,rgba(255,255,255,0.43) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.9px at 1488px 1036px,rgba(255,255,255,0.38) 0 0.9px,transparent 1.5px),radial-gradient(circle 0.9px at 973px 1269px,rgba(255,255,255,0.55) 0 0.9px,transparent 1.5px),radial-gradient(circle 0.9px at 274px 299px,rgba(255,255,255,0.45) 0 0.9px,transparent 1.5px),radial-gradient(circle 0.7px at 1032px 487px,rgba(255,255,255,0.40) 0 0.7px,transparent 1.3px),radial-gradient(circle 0.8px at 133px 779px,rgba(255,255,255,0.46) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.6px at 1292px 954px,rgba(255,255,255,0.37) 0 0.6px,transparent 1.2px),radial-gradient(circle 0.8px at 1825px 215px,rgba(255,255,255,0.36) 0 0.8px,transparent 1.4px),radial-gradient(circle 0.7px at 813px 874px,rgba(255,255,255,0.45) 0 0.7px,transparent 1.3px); /* @kind other */
  --starfield-quiet-size:1900px 1300px,1900px 1300px,1900px 1300px,1900px 1300px,1900px 1300px,1900px 1300px,1900px 1300px,1900px 1300px,1900px 1300px,1900px 1300px,1900px 1300px,1900px 1300px,1900px 1300px,1900px 1300px,1900px 1300px,1900px 1300px,1900px 1300px,1900px 1300px; /* @kind other */
  --starfield-veil:linear-gradient(to bottom,#000 0%,rgba(0,0,0,.92) 30%,rgba(0,0,0,.55) 62%,rgba(0,0,0,0) 100%); /* @kind other */
  --starfield-veil-top:linear-gradient(to top,#000 0%,rgba(0,0,0,.92) 30%,rgba(0,0,0,.55) 62%,rgba(0,0,0,0) 100%); /* @kind other */
  --starfield-horizon:radial-gradient(120% 90% at 50% 120%,rgba(230,230,0,.10) 0%,rgba(230,230,0,0) 55%); /* @kind other */
}
/* Fond immersif — héros, ouvertures de page, bandes de fin */
.ep-bg-stars-dense{background-color:#000;background-image:var(--starfield-dense);background-size:var(--starfield-dense-size);background-repeat:repeat;color:var(--text-inverse)}
/* Fond de contenu — sections secondaires sur fond noir */
.ep-bg-stars-subtle{background-color:#000;background-image:var(--starfield-subtle);background-size:var(--starfield-subtle-size);background-repeat:repeat;color:var(--text-inverse)}
/* Lisibilité prioritaire — texte long, formulaires, tableaux */
.ep-bg-stars-quiet{background-color:#000;background-image:var(--starfield-quiet);background-size:var(--starfield-quiet-size);background-repeat:repeat;color:var(--text-inverse)}
/* Transition progressive du noir uni vers le ciel étoilé (haut uni → bas étoilé) */
.ep-bg-stars-fade{background-color:#000;background-image:var(--starfield-veil),var(--starfield-dense);background-size:100% 100%,var(--starfield-dense-size);background-repeat:no-repeat,repeat;color:var(--text-inverse)}
.ep-bg-stars-fade-up{background-color:#000;background-image:var(--starfield-veil-top),var(--starfield-dense);background-size:100% 100%,var(--starfield-dense-size);background-repeat:no-repeat,repeat;color:var(--text-inverse)}
/* Ciel étoilé + calque de plan technique — sections « schéma » */
.ep-bg-stars-tech{background-color:#000;background-image:linear-gradient(to right,var(--line-blueprint-inverse) 1px,transparent 1px),linear-gradient(to bottom,var(--line-blueprint-inverse) 1px,transparent 1px),var(--starfield-subtle);background-size:32px 32px,32px 32px,var(--starfield-subtle-size);background-repeat:repeat;color:var(--text-inverse)}
/* Horizon jaune très faible, à réserver à une seule section par page */
.ep-bg-stars-horizon{background-color:#000;background-image:var(--starfield-horizon),var(--starfield-dense);background-size:100% 100%,var(--starfield-dense-size);background-repeat:no-repeat,repeat;color:var(--text-inverse)}