:root{color-scheme:light;--ink:#2b403a;--muted:#6a857d;--line:rgba(255,255,255,.88);--accent:#549e89;--panel:rgba(255,255,255,.58)}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{min-height:100%}
body{margin:0;display:grid;place-items:center;padding:max(28px,env(safe-area-inset-top)) 22px max(28px,env(safe-area-inset-bottom));overflow-x:hidden;background:radial-gradient(ellipse at 85% 0%,rgba(184,220,208,.3),transparent 48%),radial-gradient(ellipse at 0% 70%,rgba(220,232,201,.24),transparent 50%),#eff3ef;color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button,a{font:inherit}
/* Stable frosted layers: only their small composite transforms respond to input. */
.welcome-aurora{position:fixed;z-index:0;inset:0;height:100lvh;min-height:100%;overflow:hidden;pointer-events:none;isolation:isolate;contain:strict;--glass-far-x:0px;--glass-far-y:0px;--glass-mid-x:0px;--glass-mid-y:0px;--glass-near-x:0px;--glass-near-y:0px;background:linear-gradient(155deg,#e8f2ec 0%,#edf3e9 45%,#dbece3 100%)}
.welcome-aurora::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(110deg,rgba(255,255,255,.22),transparent 48%,rgba(255,255,255,.16));}
.welcome-orb{position:absolute;display:block;border-radius:50%;pointer-events:none;transform:translate3d(var(--glass-far-x),var(--glass-far-y),0);background:radial-gradient(ellipse,rgba(109,175,147,.3),rgba(165,205,174,.13) 48%,transparent 72%)}
.welcome-orb-one{width:90vw;height:95vh;right:-28vw;top:-30vh}
.welcome-orb-two{width:85vw;height:85vh;left:-30vw;bottom:-22vh;background:radial-gradient(ellipse,rgba(175,195,137,.26),rgba(184,211,166,.12) 48%,transparent 72%)}
.welcome-orb-three{width:70vw;height:75vh;left:15vw;top:16vh;background:radial-gradient(ellipse,rgba(255,255,255,.58),transparent 70%)}
.welcome-depth{position:absolute;display:block;pointer-events:none;border:1px solid rgba(255,255,255,.7);background:linear-gradient(135deg,rgba(255,255,255,.42),rgba(222,240,229,.08) 46%,rgba(98,163,131,.14));box-shadow:inset 0 1px 1px rgba(255,255,255,.9),inset 0 -1px 1px rgba(81,132,107,.09),0 24px 72px rgba(59,115,85,.08);transform-origin:center}
.welcome-depth-ridge{width:145vw;height:44vh;min-height:260px;left:-23vw;bottom:-18vh;border-radius:50% 50% 16% 16% / 64% 62% 20% 20%;transform:translate3d(var(--glass-near-x),var(--glass-near-y),0) rotate(-12deg);background:linear-gradient(175deg,rgba(255,255,255,.62),rgba(197,227,210,.12) 24%,rgba(113,173,138,.16) 75%);box-shadow:inset 0 2px 2px rgba(255,255,255,.95),inset 0 30px 50px rgba(255,255,255,.11),0 -14px 64px rgba(95,148,112,.07)}
.welcome-depth-ridge::after{content:"";position:absolute;inset:28px 7% 0;border-top:1px solid rgba(255,255,255,.6);border-radius:inherit}
.welcome-depth-arc{width:clamp(380px,58vw,820px);aspect-ratio:1;right:-24vw;top:9vh;border-radius:50%;transform:translate3d(var(--glass-mid-x),var(--glass-mid-y),0) rotate(18deg);background:radial-gradient(circle at 28% 22%,rgba(255,255,255,.46),rgba(238,249,239,.12) 42%,rgba(108,168,132,.14) 78%);box-shadow:inset 1px 2px 3px rgba(255,255,255,.9),inset -12px -16px 36px rgba(85,143,104,.1),0 20px 70px rgba(75,129,94,.08)}
.welcome-depth-arc::after{content:"";position:absolute;inset:5%;border:1px solid rgba(255,255,255,.47);border-radius:inherit;background:linear-gradient(135deg,rgba(255,255,255,.12),transparent 48%)}
.welcome-depth-prism{width:clamp(290px,36vw,520px);height:clamp(220px,30vh,340px);left:-15vw;top:34vh;border-radius:36% 42% 38% 32%;transform:translate3d(var(--glass-near-x),var(--glass-near-y),0) rotate(-22deg);background:linear-gradient(125deg,rgba(255,255,255,.62),rgba(255,255,255,.15) 42%,rgba(137,189,153,.18));box-shadow:inset 1px 2px 3px rgba(255,255,255,.96),inset -8px -12px 30px rgba(93,147,111,.06),0 22px 60px rgba(63,114,83,.08)}
.welcome-glow{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 30%,rgba(255,255,255,.22),transparent 64%);pointer-events:none}
@media(hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){.welcome-orb,.welcome-depth{will-change:transform}}
@media(max-width:700px){.welcome-orb-one{width:165vw;right:-85vw;top:-18vh}.welcome-orb-two{width:155vw;left:-85vw;bottom:-12vh}.welcome-depth-arc{width:120vw;right:-79vw;top:16vh}.welcome-depth-prism{width:80vw;height:220px;left:-58vw;top:49vh}.welcome-depth-ridge{width:185vw;left:-60vw;bottom:-19vh;height:38vh;min-height:240px}}
.welcome-shell{position:relative;width:min(920px,100%);padding:34px 0;isolation:isolate}
.welcome-brand{display:flex;flex-direction:column;align-items:center;justify-content:center;margin:0 auto;opacity:0;animation:welcome-rise .8s .05s cubic-bezier(.2,.8,.2,1) forwards}.welcome-brand img{display:block;width:clamp(340px,46vw,620px);height:auto;object-fit:contain;filter:drop-shadow(0 10px 18px rgba(54,132,101,.13));animation:brand-float 5.5s 1.1s ease-in-out infinite}.welcome-domain{margin-top:-2px;color:var(--muted);font-size:13px;font-weight:700;letter-spacing:.08em;text-decoration:none}.welcome-domain:hover{color:var(--text)}
.welcome-intro{max-width:760px;margin:0 auto 34px;text-align:center}.welcome-intro h1{margin:0;font-size:clamp(38px,6vw,62px);line-height:1.04;letter-spacing:-.055em;opacity:0;animation:welcome-rise .9s .16s cubic-bezier(.16,1,.3,1) forwards}.welcome-wave{display:inline-block;transform-origin:72% 78%;animation:welcome-wave 1.05s .9s cubic-bezier(.36,.07,.19,.97) both}.welcome-intro>p:last-child{max-width:520px;margin:20px auto 0;color:var(--muted);font-size:clamp(15px,2vw,18px);line-height:1.55;opacity:0;animation:welcome-rise .85s .28s cubic-bezier(.2,.8,.2,1) forwards}
.welcome-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;opacity:0;animation:welcome-rise .95s .46s cubic-bezier(.16,1,.3,1) forwards}.welcome-card{--card-x:50%;--card-y:50%;position:relative;isolation:isolate;display:flex;gap:16px;min-height:245px;padding:28px;border:1px solid var(--line);border-radius:26px;background:linear-gradient(145deg,rgba(255,255,255,.74),rgba(245,251,248,.42));color:inherit;text-align:left;text-decoration:none;cursor:pointer;overflow:hidden;box-shadow:inset 0 1px #fff,inset 0 -1px rgba(255,255,255,.55),0 18px 55px rgba(58,103,88,.1);-webkit-backdrop-filter:blur(28px) saturate(128%);backdrop-filter:blur(28px) saturate(128%);transition:transform .42s cubic-bezier(.16,1,.3,1),border-color .35s ease,background .35s ease,box-shadow .42s cubic-bezier(.16,1,.3,1)}.welcome-card::before{content:"";position:absolute;inset:-1px;z-index:0;border-radius:inherit;pointer-events:none;opacity:.3;background:radial-gradient(260px circle at var(--card-x) var(--card-y),rgba(129,190,167,.28),rgba(218,239,230,.16) 38%,transparent 68%);transition:opacity .35s ease}.welcome-card::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;background:linear-gradient(112deg,transparent 18%,rgba(255,255,255,.7) 43%,rgba(255,255,255,.18) 52%,transparent 69%);transform:translateX(-118%);transition:transform .8s cubic-bezier(.16,1,.3,1)}.welcome-card:hover,.welcome-card:focus-visible{transform:translateY(-6px) scale(1.008);border-color:#fff;background:linear-gradient(145deg,rgba(255,255,255,.88),rgba(240,249,245,.58));box-shadow:inset 0 1px #fff,inset 0 -1px rgba(255,255,255,.72),0 28px 68px rgba(57,104,88,.15),0 0 0 1px rgba(103,163,141,.05)}.welcome-card:hover::before,.welcome-card:focus-visible::before{opacity:.72}.welcome-card:hover::after,.welcome-card:focus-visible::after{transform:translateX(118%)}.welcome-card:active{transform:translateY(-2px) scale(.995);transition-duration:.12s}.welcome-card:focus-visible{outline:2px solid #68a994;outline-offset:3px}.welcome-card-primary{border-color:rgba(255,255,255,.95);background:linear-gradient(145deg,rgba(225,242,235,.82),rgba(255,255,255,.56))}.welcome-card:disabled{cursor:wait;opacity:.72}
.welcome-card-icon{position:relative;z-index:1;display:grid;place-items:center;flex:0 0 42px;width:42px;height:42px;border:1px solid rgba(255,255,255,.92);border-radius:14px;background:linear-gradient(145deg,rgba(255,255,255,.84),rgba(214,237,227,.56));color:#4f8c79;font-size:17px;box-shadow:inset 0 1px #fff,0 8px 24px rgba(61,111,94,.08);transition:transform .45s cubic-bezier(.16,1,.3,1),background .35s ease,box-shadow .35s ease}.welcome-card:hover .welcome-card-icon{transform:translateY(-2px) scale(1.045);background:linear-gradient(145deg,#fff,rgba(216,240,230,.7));box-shadow:inset 0 1px #fff,0 10px 28px rgba(61,111,94,.12)}.welcome-card-copy{position:relative;z-index:1;display:flex;flex:1;flex-direction:column;min-width:0}.welcome-card strong{font-size:22px;line-height:1.2;letter-spacing:-.025em}.welcome-card small{display:block;margin-top:14px;color:var(--muted);font-size:14px;line-height:1.55}.welcome-card-action{display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:24px;color:#477866;font-size:14px;font-weight:650}.welcome-card-action b{font-size:20px;font-weight:400;transition:transform .35s cubic-bezier(.16,1,.3,1)}.welcome-card:hover .welcome-card-action b{transform:translateX(5px)}
.telegram-login-panel{width:min(440px,100%);margin:18px auto 0;padding:20px;border:1px solid #fff;border-radius:20px;background:rgba(255,255,255,.7);text-align:center;box-shadow:inset 0 1px #fff,0 20px 60px rgba(58,103,88,.13);-webkit-backdrop-filter:blur(24px) saturate(125%);backdrop-filter:blur(24px) saturate(125%);animation:panel-open .55s cubic-bezier(.16,1,.3,1) both}.telegram-login-panel p{margin:0 0 14px;color:var(--muted);font-size:13px}.login-feedback{margin:12px 0 0!important;color:#a6524b!important}.telegram-login-panel iframe{display:block;margin:auto;border-radius:12px;overflow:hidden;background:transparent}
#telegram-login-widget{display:inline-flex;overflow:hidden;border-radius:12px;line-height:0;background:transparent}
@keyframes welcome-rise{from{opacity:0;transform:translateY(18px) scale(.985);filter:blur(5px)}to{opacity:1;transform:none;filter:none}}
@keyframes brand-float{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-4px) rotate(-1.5deg)}}
@keyframes welcome-wave{0%{transform:rotate(0) scale(.92)}20%{transform:rotate(15deg) scale(1.04)}42%{transform:rotate(-9deg) scale(1.04)}62%{transform:rotate(12deg)}82%{transform:rotate(-4deg)}100%{transform:rotate(0) scale(1)}}
@keyframes panel-open{from{opacity:0;transform:translateY(-8px) scale(.975);filter:blur(4px)}to{opacity:1;transform:none;filter:none}}
@media(max-width:700px){body{place-items:start center}.welcome-aurora{height:100lvh}.welcome-shell{padding:18px 0}.welcome-brand{justify-content:flex-start;margin-bottom:0}.welcome-brand img{width:min(100%,480px)}.welcome-intro{text-align:left;margin-bottom:28px}.welcome-intro>p:last-child{margin-left:0}.welcome-options{grid-template-columns:1fr}.welcome-card{min-height:210px;padding:23px;border-radius:23px}.welcome-card strong{font-size:20px}}
@keyframes mobile-arrow-draw{0%{stroke-dashoffset:1;opacity:0}15%{opacity:.25}100%{stroke-dashoffset:0;opacity:1}}@keyframes mobile-arrow-head{0%{opacity:0;transform:scale(.65)}100%{opacity:1;transform:scale(1)}}
@keyframes mobile-map-draw{0%{stroke-dashoffset:1;opacity:0}15%{opacity:.2}100%{stroke-dashoffset:0;opacity:1}}
@media(prefers-reduced-motion:reduce){.welcome-brand,.welcome-brand img,.welcome-intro h1,.welcome-wave,.welcome-intro>p:last-child,.welcome-options,.telegram-login-panel,.benefit-card,.benefit-arrows>path{animation:none;opacity:1;transform:none;filter:none;stroke-dashoffset:0}.welcome-card,.welcome-card::after,.welcome-card::before,.welcome-card-icon,.welcome-card-action b,.welcome-glow{transition:none}.welcome-card:hover{transform:none}}

.welcome-card-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}
 .welcome-intro>p:last-child{max-width:600px;font-size:clamp(14px,1.7vw,17px);font-weight:400;letter-spacing:-.01em}

/* Compact cards inside stable scroll steps; disclosure uses the surrounding space. */
.welcome-benefits{position:relative;isolation:isolate;display:grid;grid-template-columns:1fr;gap:48px;max-width:820px;margin:32px auto 64px;padding:0 12px;opacity:1}
.benefits-header{position:relative;z-index:1;text-align:center;padding-bottom:12px}
.benefits-heading{position:static;margin:0;color:var(--ink);font-size:clamp(22px,3vw,30px);line-height:1.2;letter-spacing:-.035em}
.benefits-hint{position:static;margin:14px auto 0;max-width:360px;color:var(--muted);font-size:13px;line-height:1.6;text-wrap:balance}
.benefit-step{display:grid;align-content:start;min-height:164px}
.benefit-card{position:relative;z-index:1;justify-self:start;display:grid;grid-template-columns:42px minmax(0,1fr);align-items:center;column-gap:16px;width:72%;padding:24px;border:1px solid #d4e8dc;border-radius:22px;background:linear-gradient(140deg,rgba(255,255,255,.68),rgba(236,248,239,.46));box-shadow:inset 0 1px rgba(255,255,255,.95),inset 0 -1px rgba(255,255,255,.35),0 12px 32px rgba(56,105,83,.07);-webkit-backdrop-filter:blur(14px) saturate(115%);backdrop-filter:blur(14px) saturate(115%);cursor:pointer;animation:none;opacity:1;transition:background .25s ease,box-shadow .25s ease}
.benefit-card-two,.benefit-card-four{justify-self:end}
.benefit-card:hover,.benefit-card.is-open{background:#f7fbf8;box-shadow:0 16px 36px rgba(56,105,83,.1)}
.benefit-card:focus-visible{outline:2px solid #549e89;outline-offset:5px}
.benefit-number{position:absolute;top:12px;right:18px;color:#709c8b;font-size:12px;font-weight:750;letter-spacing:.1em}
.benefit-icon{display:grid;place-items:center;width:42px;height:42px;margin:0;border:1px solid #cde2d6;border-radius:14px;background:rgba(255,255,255,.6);color:#4e927b}
.benefit-icon svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}
.benefit-card strong{display:block;max-width:440px;margin:0;padding-right:22px;font-size:18px;line-height:1.3;letter-spacing:-.02em}
.benefit-card p{display:none;grid-column:2;max-width:440px;margin:12px 0 0;color:var(--muted);font-size:13px;line-height:1.55;opacity:0;visibility:hidden;transition:opacity .2s ease}
.benefit-card.is-open p{display:block;opacity:1;visibility:visible}
.benefit-card::after{content:'+';position:absolute;right:18px;top:43px;color:#549e89;font-size:22px}
.benefit-card.is-open::after{content:'−'}
.benefit-arrows{position:absolute;z-index:0;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none;color:#8cbaa7}
.benefit-arrows>path{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;animation:none;stroke-dasharray:1;stroke-dashoffset:0;opacity:1}
.welcome-benefits.benefits-scroll-driven .benefit-card{will-change:opacity,transform}
@media(max-width:700px){
 .welcome-benefits{gap:28px;margin:28px 0 48px;padding:0 4px}
 .benefits-heading{font-size:23px}
 .benefits-hint{max-width:290px;font-size:12px}
 .benefit-step{min-height:200px}
 .benefit-card{width:88%;padding:22px 18px;grid-template-columns:36px minmax(0,1fr);column-gap:12px;border-radius:20px}
 .benefit-icon{width:36px;height:36px;border-radius:12px}
 .benefit-icon svg{width:21px;height:21px}
 .benefit-card strong{font-size:15px;line-height:1.35;padding-right:18px}
 .benefit-card p{grid-column:1 / -1;font-size:12px;line-height:1.55;margin-top:14px}
 .benefit-number{top:10px;right:16px;font-size:10px}
 .benefit-card::after{right:14px;top:38px;font-size:20px}
}
@media(prefers-reduced-motion:reduce){.benefit-card,.benefit-card p{transition:none;will-change:auto}}

.telegram-login-brand{margin:0 0 6px;color:var(--ink);font-size:19px;line-height:1.35}
.telegram-login-domain{display:inline-block;margin-bottom:16px;color:var(--muted);font-size:12px;line-height:1.5;text-underline-offset:3px;overflow-wrap:anywhere}

/* Readable opaque surfaces when backdrop filtering is unavailable. */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.welcome-card,.benefit-card,.telegram-login-panel{background:linear-gradient(135deg,#f8fcf8,#e9f3ec)}}