.brana-pozadi{--brana-akcent:#b8644a;--brana-akcent-svetly:#dc8a62;--brana-povrch-horni:#87847f;--brana-povrch-stred:#757570;--brana-povrch-prechod:#676460;--brana-povrch-dolni:#736e68;--brana-povrch-nejtmavsi:#68635d;position:fixed;inset:calc(-1 * env(safe-area-inset-top, 0px)) calc(-1 * env(safe-area-inset-right, 0px)) calc(-1 * env(safe-area-inset-bottom, 0px)) calc(-1 * env(safe-area-inset-left, 0px));z-index:0;overflow:hidden;pointer-events:none}.brana-pozadi-zaklad{position:absolute;inset:0;background:linear-gradient(180deg,var(--brana-povrch-horni) 0,#7a7772 12%,var(--brana-povrch-stred) 30%,#6d6a65 44%,var(--brana-povrch-prechod) 56%,#6a6661 62%,#6e6a65 66%,var(--brana-povrch-dolni) 74%,#6b6661 88%,var(--brana-povrch-nejtmavsi) 100%)}.brana-pozadi-hladina{background-image:radial-gradient(ellipse 85% 42% at 28% 18%,rgb(255 246 238/.1) 0,transparent 58%),radial-gradient(ellipse 70% 38% at 74% 38%,rgb(255 248 242/.08) 0,transparent 52%),radial-gradient(ellipse 95% 55% at 52% 68%,rgb(40 35 30/.06) 0,transparent 62%),radial-gradient(ellipse 60% 30% at 62% 22%,rgb(255 250 245/.05) 0,transparent 48%),linear-gradient(180deg,rgb(255 246 240/.1),transparent 24%,rgb(35 30 25/.05) 76%,transparent)}.brana-pozadi-hladina,.brana-pozadi-sum{position:absolute;inset:0;bottom:33.333%}.brana-pozadi-sum{background:#585550;opacity:.055;filter:url(#brana-jemny-sum);mix-blend-mode:overlay}.brana-pozadi-odraz{position:absolute;right:0;bottom:0;left:0;height:45%;background-image:radial-gradient(ellipse 55% 18% at 38% 91%,rgb(255 210 170/.22) 0,rgb(184 100 74/.14) 42%,transparent 72%),radial-gradient(ellipse 48% 14% at 62% 94%,rgb(220 130 88/.28) 0,rgb(184 100 74/.16) 38%,transparent 68%),radial-gradient(ellipse 200% 22% at 48% 88%,rgb(220 130 88/.58) 0,rgb(184 100 74/.42) 32%,rgb(184 100 74/.2) 52%,transparent 72%),radial-gradient(ellipse 130% 12% at 54% 96%,rgb(255 210 170/.45) 0,rgb(184 100 74/.28) 48%,transparent 78%),linear-gradient(180deg,transparent,rgb(184 100 74/.1) 18%,rgb(184 100 74/.28) 42%,rgb(200 110 78/.45) 58%,rgb(184 100 74/.32) 74%,rgb(184 100 74/.14) 90%,transparent)}.brana-pozadi-vrstva{position:absolute;inset:0;opacity:0;transition:opacity 1.5s ease}.brana-pozadi:not([data-brana-pozadi-pripraveno=true]) .brana-pozadi-vrstva{transition:none}.brana-pozadi-vrstva--viditelna{opacity:1}.brana-pozadi-obraz{position:absolute;inset:0;background-image:var(--brana-pozadi-master-url);background-size:cover;background-position:bottom;background-repeat:no-repeat}.brana-pozadi-modra-klid{position:absolute;inset:0;background:linear-gradient(180deg,rgb(22 76 140/.66),rgb(22 76 140/.66) 38%,rgb(22 76 140/.64) 48%,rgb(21 74 138/.63) 56%,rgb(20 72 136/.62) 64%,rgb(20 72 136/.6) calc(100% - 8rem - 4rem),rgb(20 72 136/.58) calc(100% - 8rem - .75rem + .5cm),rgb(18 68 132/.4) calc(100% - 8rem - .75rem + .5cm + 2.5dvh),rgb(16 64 128/.24) calc(100% - 8rem - .75rem + .5cm + 5.5dvh),rgb(14 60 124/.11) calc(100% - 8rem - .75rem + .5cm + 8.5dvh),rgb(12 56 120/.03) calc(100% - 8rem - .75rem + .5cm + 11dvh),transparent calc(100% - 8rem - .75rem + .5cm + 14dvh))}.brana-pozadi[data-pozadi-variant="1"] .brana-pozadi-zaklad{background:linear-gradient(180deg,#6f6c67,#64615c 35%,#5a5752 58%,#524f4a 72%,#4a4743)}.brana-pozadi[data-pozadi-variant="1"] .brana-pozadi-hladina{background-image:radial-gradient(ellipse 14% 9% at 18% 20%,rgb(255 235 210/.22) 0,transparent 100%),radial-gradient(ellipse 11% 7% at 44% 14%,rgb(255 242 225/.18) 0,transparent 100%),radial-gradient(ellipse 9% 6% at 72% 26%,rgb(255 238 215/.16) 0,transparent 100%),radial-gradient(ellipse 13% 8% at 58% 38%,rgb(255 245 228/.14) 0,transparent 100%),radial-gradient(ellipse 10% 7% at 28% 48%,rgb(255 240 218/.15) 0,transparent 100%),radial-gradient(ellipse 8% 5% at 82% 44%,rgb(255 236 212/.12) 0,transparent 100%),radial-gradient(ellipse 12% 6% at 65% 18%,rgb(255 248 232/.1) 0,transparent 100%)}.brana-pozadi[data-pozadi-variant="1"] .brana-pozadi-sum{background:#5a5752;opacity:.09;filter:url(#brana-varianta1-sum)}.brana-pozadi[data-pozadi-variant="1"] .brana-pozadi-odraz{height:42%;background-image:radial-gradient(ellipse 22% 10% at 22% 88%,rgb(255 200 155/.35) 0,rgb(184 100 74/.2) 45%,transparent 100%),radial-gradient(ellipse 18% 8% at 48% 92%,rgb(220 130 88/.4) 0,rgb(184 100 74/.22) 40%,transparent 100%),radial-gradient(ellipse 20% 9% at 74% 86%,rgb(255 190 140/.28) 0,rgb(184 100 74/.16) 42%,transparent 100%),radial-gradient(ellipse 16% 7% at 36% 96%,rgb(200 110 78/.25) 0,transparent 100%),radial-gradient(ellipse 14% 6% at 62% 78%,rgb(184 100 74/.18) 0,transparent 100%),linear-gradient(180deg,transparent,rgb(184 100 74/.08) 30%,rgb(184 100 74/.2) 55%,transparent)}.brana-pozadi[data-pozadi-variant="2"] .brana-pozadi-zaklad{background:linear-gradient(180deg,#5c5954,#56534e 28%,#504d48 52%,#4a4743 78%,#45423e)}.brana-pozadi[data-pozadi-variant="2"] .brana-pozadi-hladina{bottom:38%;background-image:radial-gradient(ellipse 130% 75% at 50% -5%,rgb(210 200 188/.22) 0,rgb(190 180 170/.1) 35%,transparent 62%),radial-gradient(ellipse 90% 50% at 50% 25%,rgb(180 172 162/.08) 0,transparent 55%),linear-gradient(180deg,rgb(220 210 200/.06),transparent 40%,rgb(35 30 25/.04) 85%,transparent)}.brana-pozadi[data-pozadi-variant="2"] .brana-pozadi-sum{bottom:38%;background:#504d48;opacity:.025;filter:url(#brana-jemny-sum)}.brana-pozadi[data-pozadi-variant="2"] .brana-pozadi-odraz{height:52%;background-image:radial-gradient(ellipse 190% 85% at 50% 75%,rgb(220 140 100/.2) 0,rgb(184 100 74/.12) 38%,transparent 68%),radial-gradient(ellipse 160% 55% at 50% 88%,rgb(200 115 80/.28) 0,rgb(184 100 74/.16) 42%,transparent 72%),radial-gradient(ellipse 120% 35% at 50% 96%,rgb(255 210 170/.22) 0,rgb(184 100 74/.1) 50%,transparent 80%)}.brana-pozadi[data-pozadi-variant="3"] .brana-pozadi-zaklad{background:linear-gradient(180deg,#504d48,#45423e 30%,#3d3a36 55%,#383532 72%,#33302d)}.brana-pozadi[data-pozadi-variant="3"] .brana-pozadi-hladina{background-image:radial-gradient(ellipse 88% 3.5% at 24% 20%,rgb(255 248 238/.16) 0,rgb(255 245 232/.06) 40%,transparent 100%),radial-gradient(ellipse 72% 2.8% at 68% 32%,rgb(255 246 235/.14) 0,rgb(255 242 228/.05) 45%,transparent 100%),radial-gradient(ellipse 95% 3% at 42% 46%,rgb(255 250 240/.11) 0,transparent 100%),radial-gradient(ellipse 65% 2.5% at 78% 24%,rgb(255 244 230/.12) 0,transparent 100%),radial-gradient(ellipse 80% 3.2% at 55% 58%,rgb(255 247 236/.09) 0,transparent 100%),radial-gradient(ellipse 58% 2.2% at 32% 36%,rgb(255 242 228/.1) 0,transparent 100%)}.brana-pozadi[data-pozadi-variant="3"] .brana-pozadi-sum{background:#3d3a36;opacity:.04;filter:url(#brana-jemny-sum)}.brana-pozadi[data-pozadi-variant="3"] .brana-pozadi-odraz{height:40%;background-image:radial-gradient(ellipse 180% 18% at 50% 92%,rgb(220 130 88/.5) 0,rgb(184 100 74/.32) 35%,rgb(184 100 74/.14) 55%,transparent 75%),radial-gradient(ellipse 120% 10% at 50% 98%,rgb(255 210 170/.35) 0,rgb(184 100 74/.2) 48%,transparent 78%),linear-gradient(180deg,transparent,rgb(184 100 74/.06) 25%,rgb(184 100 74/.22) 50%,rgb(184 100 74/.12) 80%,transparent)}.brana-pozadi[data-pozadi-variant="4"] .brana-pozadi-zaklad{background:linear-gradient(180deg,#4a4743,#45423e 40%,#403d39 68%,#3d3a36)}.brana-pozadi[data-pozadi-variant="4"] .brana-pozadi-hladina{bottom:45%;background-image:linear-gradient(180deg,rgb(255 250 245/.03),transparent 30%,rgb(30 25 20/.03) 70%,transparent)}.brana-pozadi[data-pozadi-variant="4"] .brana-pozadi-sum{opacity:0}.brana-pozadi[data-pozadi-variant="4"] .brana-pozadi-odraz{height:62%;filter:url(#brana-varianta4-odraz);background-image:radial-gradient(ellipse 240% 28% at 46% 82%,rgb(255 200 150/.55) 0,rgb(220 130 88/.42) 22%,rgb(184 100 74/.28) 42%,rgb(184 100 74/.12) 58%,transparent 76%),radial-gradient(ellipse 180% 16% at 54% 92%,rgb(255 210 170/.48) 0,rgb(184 100 74/.32) 38%,transparent 72%),radial-gradient(ellipse 90% 8% at 38% 88%,rgb(255 220 185/.35) 0,rgb(184 100 74/.2) 50%,transparent 100%),radial-gradient(ellipse 70% 7% at 66% 86%,rgb(200 110 78/.3) 0,transparent 100%),linear-gradient(180deg,transparent,rgb(184 100 74/.05) 15%,rgb(200 110 78/.35) 48%,rgb(184 100 74/.25) 68%,rgb(184 100 74/.08) 88%,transparent)}