:root{--navy:#0a2540;--deep:#0f3a63;--ocean:#1565a0;--sky:#2e8bc0;--wave:#4f95ad;--foam:#e8f4fa;--sand:#f7f4ec;--ink:#14202b;--muted:#5a6b78;--red:#cd313a;--gold:#d4a017;--white:#fff;--shadow:0 12px 40px #0a25401f;--radius:18px;--radius-sm:12px;--shadow-soft:0 2px 10px #0a254012;--body-bg:#eeeded;--surface:#f5f5f5;--surface-alt:#e8f4fa;--text:#14202b;--text-muted:#5a6b78;--heading:#0a2540;--border:#dbdee1;--rule:#c3cad1;--claim-bg:#fdecec;--chrome:#0c2f51;--closing-from:var(--ocean)}:root[data-period=dawn]{--surface-alt:#f3eef6;--chrome:#2b3358;--closing-from:#6b5b95}:root[data-period=morning]{--surface-alt:#edf5f2;--chrome:#10405a;--closing-from:#23708a}:root[data-period=evening]{--surface-alt:#f6efe8;--chrome:#2b2547;--closing-from:#7a4a6b}:root[data-period=night]{--surface-alt:#e8eff7;--chrome:#081a33;--closing-from:#16345c}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}:where(a[href],button:not(:disabled),[role=button],summary,label[for]){cursor:pointer}:focus-visible{outline:3px solid var(--sky);outline-offset:3px}.nav:not(.nav--onlight) :focus-visible,.hero :focus-visible,.closing :focus-visible,.footer :focus-visible{outline-color:var(--white)}.skip-link{z-index:200;background:var(--navy);color:var(--white);border-radius:8px;padding:10px 16px;font-weight:600;text-decoration:none;position:fixed;top:8px;left:8px;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}body{color:var(--text);background:var(--body-bg);-webkit-font-smoothing:antialiased;font-family:Noto Sans KR,system-ui,sans-serif;line-height:1.7;transition:background .3s,color .3s}.container{width:min(1080px,90%);margin:0 auto}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;transition-delay:0s!important;animation-duration:.01ms!important;animation-iteration-count:1!important;animation-delay:0s!important}html .reveal{opacity:1;transform:none}}main:focus{outline:none}
.nav{z-index:100;background:#0a254000;transition:background .35s,box-shadow .35s;position:fixed;top:0;left:0;right:0}.nav.scrolled{background:color-mix(in srgb, color-mix(in srgb, var(--chrome) 18%, var(--surface-alt)) 78%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 2px 20px #0a25401f}.nav.nav--onlight .nav__logo,.nav.nav--onlight .nav__menu a,.nav.nav--onlight .nav__toggle{color:var(--text)}.nav.nav--onlight .nav__menu a:hover{color:var(--ocean)}.nav__inner{justify-content:space-between;align-items:center;width:min(1200px,92%);height:70px;margin:0 auto;display:flex}.nav__logo{color:var(--white);letter-spacing:2px;align-items:center;font-family:Nanum Myeongjo,serif;font-size:1.5rem;font-weight:800;text-decoration:none;display:flex}.nav__logo img{width:auto;height:64px;transition:filter .35s;display:block}.nav:not(.scrolled):not(.nav--onlight) .nav__logo img{filter:brightness(0)invert()}.nav__menu{gap:30px;display:flex}.nav__menu a{color:#ffffffd9;font-size:.95rem;font-weight:500;text-decoration:none;transition:color .2s;position:relative}.nav__menu a:after{content:"";background:var(--wave);width:0;height:2px;transition:width .25s;position:absolute;bottom:-6px;left:0}.nav__menu a:hover{color:var(--white)}.nav__menu a:hover:after{width:100%}.nav__toggle{color:var(--white);cursor:pointer;background:0 0;border:none;min-width:44px;min-height:44px;margin-right:-10px;font-size:1.6rem;display:none}@media (max-width:860px){.nav__menu{background:color-mix(in srgb, var(--chrome) 97%, transparent);visibility:hidden;flex-direction:column;gap:18px;width:200px;padding:20px;transition:transform .3s,visibility 0s linear .3s;position:absolute;top:68px;right:0;transform:translate(110%)}.nav__menu.open{visibility:visible;transition:transform .3s,visibility;transform:translate(0)}.nav__toggle{display:block}.nav.nav--onlight .nav__menu a{color:#ffffffd9}.nav.nav--onlight .nav__menu a:hover{color:var(--white)}}.nav .nav__menu a.nav__download{white-space:nowrap;background:0 0;border:1.5px solid;border-radius:999px;align-items:center;gap:6px;padding:6px 16px;font-weight:600;transition:background .2s,border-color .2s,color .2s;display:inline-flex}.nav .nav__menu a.nav__download:hover{background:var(--ocean);border-color:var(--ocean);color:var(--white)}.nav .nav__menu a.nav__download:after{display:none}@media (min-width:861px){.nav__menu{align-items:center}}.nav .nav__menu .nav__download.is-disabled{white-space:nowrap;color:#ffffffd9;opacity:.6;cursor:default;-webkit-user-select:none;user-select:none;border:1.5px solid;border-radius:999px;align-items:center;padding:6px 16px;font-size:.95rem;font-weight:600;display:inline-flex}.nav.nav--onlight .nav__menu .nav__download.is-disabled{color:var(--text)}@media (max-width:860px){.nav .nav__menu a.nav__download{justify-content:center}.nav .nav__menu .nav__download.is-disabled,.nav.nav--onlight .nav__menu .nav__download.is-disabled{color:#ffffffd9;justify-content:center}}
.hero{text-align:center;background:var(--navy);min-height:100vh;color:var(--white);justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.hero__scene{z-index:0;position:absolute;inset:0;overflow:hidden}.hero__photo{opacity:0;background-position:50%;background-repeat:no-repeat;background-size:cover;transition:opacity 3.5s;position:absolute;inset:0}.hero__photo.is-active{opacity:1}.hero__scrim{z-index:3;pointer-events:none;background:radial-gradient(60% 46%,#04122280,#0412223d 60%,#0000 100%),linear-gradient(#00000052,#0000 26% 58%,#00000073);position:absolute;inset:0}.hero__content{z-index:4;padding:0 20px;position:relative}.hero__eyebrow{text-shadow:1px 2px 5px #000;letter-spacing:6px;color:var(--white);margin-bottom:18px;font-size:1rem;font-weight:700;animation:.8s both fadeUp;position:relative;top:-40px}.hero__title{letter-spacing:20px;text-shadow:0 8px 10px #0006;padding-left:20px;font-family:Nanum Myeongjo,serif;font-size:clamp(4.5rem,16vw,9rem);font-weight:700;line-height:1;animation:.8s .1s both fadeUp}.hero__sub{text-shadow:0 1px 3px #000000b3,0 2px 12px #00000073;max-width:640px;margin:24px auto 0;font-size:clamp(1rem,2.4vw,1.35rem);font-weight:400;animation:.8s .2s both fadeUp}.hero__coord{letter-spacing:2px;text-shadow:0 1px 3px #000000b3,0 2px 12px #00000073;justify-content:center;gap:14px;margin-top:22px;font-size:.9rem;font-weight:500;animation:.8s .3s both fadeUp;display:flex}.hero__coord .dot{opacity:.5}.hero__cta{color:var(--white);letter-spacing:1px;border:1.5px solid #ffffff80;border-radius:40px;margin-top:40px;padding:14px 34px;font-weight:500;text-decoration:none;transition:all .3s;animation:.8s .4s both fadeUp;display:inline-block}.hero__cta:hover{background:var(--white);color:var(--navy);transform:translateY(-3px)}@keyframes fadeUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.section{padding:100px 0}#history-intro,#faq-intro{padding-bottom:20px}#history-intro .section__lead,#faq-intro .section__lead{margin-bottom:0}.section--alt{background:var(--surface-alt)}.section__title{color:var(--heading);margin-bottom:20px;font-family:Nanum Myeongjo,serif;font-size:clamp(1.9rem,4.5vw,2.8rem);font-weight:800}.section__lead{color:var(--text-muted);max-width:720px;margin-bottom:40px;font-size:1.1rem}.section__subtitle{color:var(--heading);margin:56px 0 20px;font-family:Nanum Myeongjo,serif;font-size:1.5rem;font-weight:800}@media (max-width:480px){.section{padding:70px 0}main>.section:first-child{padding-top:100px}.section__subtitle{margin:40px 0 16px}}
.about__grid{grid-template-columns:1.3fr 1fr;align-items:center;gap:60px;display:grid}.about__text p{color:var(--text);margin-bottom:18px;font-size:1.05rem}.about__text strong{color:var(--ocean)}.about__stats{grid-template-columns:1fr 1fr;gap:18px;display:grid}.stat{background:var(--surface);border-radius:var(--radius);text-align:center;box-shadow:var(--shadow);border:1px solid var(--border);padding:26px 20px}.stat__num{color:var(--ocean);font-family:Nanum Myeongjo,serif;font-size:1.9rem;font-weight:800;line-height:1.1;display:block}.stat__label{color:var(--text-muted);margin-top:8px;font-size:.85rem;display:block}@media (max-width:860px){.about__grid{grid-template-columns:1fr;gap:36px}}@media (max-width:480px){.about__stats{grid-template-columns:1fr 1fr}}
.location__cards{grid-template-columns:1fr 1fr;gap:24px;margin-bottom:36px;display:grid}.loc-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);padding:30px}.loc-card__from{color:var(--heading);font-size:1.05rem;font-weight:700}.loc-card__dist{color:var(--ocean);margin:6px 0;font-family:Nanum Myeongjo,serif;font-size:2.4rem;font-weight:800}.loc-card__note{color:var(--text-muted);margin-bottom:16px;font-size:.9rem}.loc-card__bar{background:var(--border);border-radius:20px;height:10px;overflow:hidden}.loc-card__bar span{background:linear-gradient(90deg, var(--sky), var(--wave));border-radius:20px;width:0;height:100%;transition:width 1.2s cubic-bezier(.2,.8,.2,1);display:block}.location__quote{text-align:center;color:var(--heading);font-family:Nanum Myeongjo,serif;font-size:1.25rem;font-weight:700}@media (max-width:860px){.location__cards{grid-template-columns:1fr}}
.lcm-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);max-width:720px;margin:0 auto 36px;overflow:hidden}.lcm-svg{width:100%;height:auto;display:block}.lcm-land{fill:var(--wave);opacity:.85}.lcm-land-label{fill:#ffffff59;letter-spacing:.02em;font-size:12px}.lcm-line{stroke:#ffffff47;stroke-width:1.5px;stroke-dasharray:4 4;cursor:pointer;transition:stroke .25s,stroke-width .25s}.lcm-line--active{stroke:var(--gold);stroke-width:2.5px}.lcm-dist-label{opacity:0;transition:opacity .4s}.lcm-dist-label--show{opacity:1}.lcm-dist-label text{fill:var(--foam);font-variant-numeric:tabular-nums;font-size:13px}.lcm-island{cursor:pointer;outline:none}.lcm-marker{fill:#ffffff8c;stroke:#0a254099;stroke-width:2px;transition:fill .2s,r .2s}.lcm-marker--dokdo{fill:var(--gold)}.lcm-marker--active,.lcm-island:focus-visible .lcm-marker{stroke:#fff;stroke-width:3px}.lcm-island-label{fill:var(--foam);font-size:13px;font-weight:600}.lcm-caption{color:var(--text-muted);padding:14px 24px 0;font-size:.78rem}.lcm-panel{padding:18px 24px 24px}.lcm-headline{color:var(--heading);margin:0 0 4px;font-size:1rem;font-weight:600;line-height:1.6}.lcm-headline strong{color:var(--ocean);font-variant-numeric:tabular-nums}.lcm-sub{color:var(--text-muted);margin:0 0 14px;font-size:.9rem}.lcm-buttons{flex-wrap:wrap;gap:8px;display:flex}.lcm-btn{border:1px solid var(--border);color:var(--heading);cursor:pointer;background:0 0;border-radius:999px;padding:8px 18px;font-size:.85rem;font-weight:600;transition:all .2s}.lcm-btn:hover{border-color:var(--ocean);color:var(--ocean)}.lcm-btn--active{background:var(--surface-alt);border-color:var(--ocean);color:var(--ocean)}@media (prefers-reduced-motion:reduce){.lcm-line,.lcm-marker,.lcm-dist-label,.lcm-btn{transition:none}}@media (max-width:480px){.lcm-caption,.lcm-panel{padding-left:18px;padding-right:18px}}
.gallery__group{margin-bottom:40px}.gallery__group:last-child{margin-bottom:0}.gallery__group-title{color:var(--heading);margin-bottom:16px;font-size:1.1rem;font-weight:700}.gallery__grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:20px;display:grid}.gallery__grid--cols-2{grid-template-columns:repeat(2,1fr)}.gallery__grid--cols-3{grid-template-columns:repeat(3,1fr)}.nature-card{background:var(--surface);border-radius:var(--radius-sm);box-shadow:var(--shadow-soft);border:1px solid var(--border);overflow:hidden}.nature-card__img{aspect-ratio:4/3;object-fit:cover;width:100%;height:auto;display:block}.nature-card__name{color:var(--heading);padding:12px 14px;font-size:.85rem;font-style:italic;font-weight:600}.nature-card__ko{color:var(--heading);font-size:.95rem;font-style:normal;font-weight:700;display:block}.nature-card__sci{color:var(--text-muted);margin-top:2px;font-size:.78rem;font-style:italic;font-weight:500;display:block}@media (max-width:700px){.gallery__grid--cols-2,.gallery__grid--cols-3{grid-template-columns:1fr 1fr}}@media (max-width:480px){.gallery__grid--cols-2,.gallery__grid--cols-3{grid-template-columns:1fr}}
.subnav{z-index:10;justify-content:center;width:min(1080px,90%);margin:-70px auto -100px;padding:14px 0;display:flex;position:sticky;top:86px}.subnav__inner{background:var(--surface);box-shadow:var(--shadow);border:1px solid var(--border);border-radius:999px;gap:10px;padding:8px;display:flex}.subnav a{color:var(--text-muted);border-radius:999px;padding:10px 22px;font-size:.9rem;font-weight:600;text-decoration:none;transition:background .2s,color .2s}.subnav a:hover{color:var(--ocean)}.subnav a.active{background:color-mix(in srgb, var(--ocean) 16%, var(--surface));color:var(--ocean)}@media (min-width:768px){.subnav{pointer-events:none;height:0;margin:0 auto;padding:0;position:static}.subnav .subnav__inner{box-shadow:none;pointer-events:auto;background:0 0;border:0;border-radius:0;flex-direction:column;align-items:flex-end;gap:6px;padding:0;animation:.35s both subnav-side-in;position:fixed;top:50%;right:max(12px,50% - 700px);transform:translateY(-50%)}.subnav a{white-space:nowrap;background:0 0;border-radius:0;align-items:center;gap:10px;padding:0;display:flex}.subnav .subnav__label{border:1px solid var(--border);background:var(--surface);opacity:0;border-radius:8px;padding:6px 12px;transition:background .2s,opacity .2s,transform .2s;transform:translate(10px)}.subnav .subnav__inner:hover .subnav__label,.subnav .subnav__inner:focus-within .subnav__label{opacity:1;transform:none}@media (hover:none){.subnav .subnav__label{opacity:1;transform:none}}.subnav a:after{content:"";background:var(--text-muted);opacity:.5;border-radius:50%;width:8px;height:8px}.subnav a.active{background:0 0}.subnav a.active .subnav__label{background:color-mix(in srgb, var(--ocean) 16%, var(--surface))}.subnav a.active:after{background:var(--ocean);opacity:1}}@keyframes subnav-side-in{0%{opacity:0;transform:translate(24px,-50%)}to{opacity:1;transform:translateY(-50%)}}@media (max-width:480px){.subnav__inner{gap:4px;padding:6px}.subnav a{padding:8px 14px;font-size:.82rem}}
.facts__table{border-top:2px solid var(--heading)}.fact-row{border-bottom:1px solid var(--rule);justify-content:space-between;gap:20px;padding:16px 4px;display:flex}.fact-row:last-child{border-bottom:none}.fact-row__key{color:var(--text-muted);font-weight:600}.fact-row__val{color:var(--heading);text-align:right;font-weight:700}@media (max-width:480px){.fact-row{flex-direction:column;gap:4px}.fact-row__val{text-align:left}}.ref-card{text-decoration:none;transition:transform .2s,box-shadow .2s;display:block}.ref-card:hover{transform:translateY(-3px);box-shadow:0 16px 44px #0a254029}.ref-card__body{padding:22px 24px}.ref-card__title{color:var(--heading);margin-bottom:6px;font-size:1.05rem;font-weight:700}.ref-card__desc{color:var(--text-muted);margin-bottom:10px;font-size:.9rem}.ref-card__url{color:var(--ocean);font-size:.8rem}.glossary{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:0 36px;display:grid}.glossary__item{border-top:1px solid var(--rule);padding:20px 0 22px}.glossary__term{color:var(--ocean);align-items:center;gap:6px;margin-bottom:8px;font-family:Nanum Myeongjo,serif;font-size:1.1rem;font-weight:800;text-decoration:none;display:inline-flex}.glossary__term:hover{text-decoration:underline}.glossary__desc{color:var(--text-muted);white-space:pre-line;font-size:.9rem}.ext-icon{opacity:.55;font-size:.75em}
.reason-list{flex-direction:column;gap:20px;display:flex}.reason-card{background:var(--surface);border-radius:var(--radius-sm);border:1px solid var(--border);padding:28px 30px}.reason-card__claim{border-bottom:1px dashed var(--border);align-items:flex-start;gap:14px;margin-bottom:18px;padding-bottom:18px;display:flex}.reason-card__answer{align-items:flex-start;gap:14px;display:flex}.reason-card__label{white-space:nowrap;border-radius:999px;flex-shrink:0;padding:5px 12px;font-size:.78rem;font-weight:800}.reason-card__claim .reason-card__label{background:var(--claim-bg);color:var(--red)}.reason-card__answer .reason-card__label{background:var(--surface-alt);color:var(--ocean)}.reason-card__text{color:var(--text);font-size:.96rem}.reason-card__claim .reason-card__text{color:var(--text-muted)}.reason-card__source{color:var(--ocean);align-items:center;gap:6px;margin-top:12px;font-size:.82rem;font-weight:600;text-decoration:none;display:inline-flex}.reason-card__source:hover{text-decoration:underline}@media (max-width:480px){.reason-card{padding:20px}.reason-card__claim,.reason-card__answer{flex-direction:column;gap:8px}}
.faq-list{flex-direction:column;gap:14px;display:flex}.faq-item{background:var(--surface);border-radius:var(--radius-sm);border:1px solid var(--border);overflow:hidden}.faq-item__question{cursor:pointer;text-align:left;width:100%;font:inherit;background:0 0;border:none;align-items:center;gap:14px;padding:22px 26px;display:flex}.faq-item__q-label{color:var(--ocean);flex-shrink:0;font-family:Nanum Myeongjo,serif;font-size:1.2rem;font-weight:800}.faq-item__q-text{color:var(--heading);flex:1;font-size:1.02rem;font-weight:700}.faq-item__icon{color:var(--text-muted);flex-shrink:0;font-size:1.3rem;font-weight:700}.faq-item.open .faq-item__icon{color:var(--ocean)}.faq-item__answer-wrap{grid-template-rows:0fr;transition:grid-template-rows .3s;display:grid}.faq-item.open .faq-item__answer-wrap{grid-template-rows:1fr}.faq-item__answer-inner{overflow:hidden}.faq-item__answer{gap:14px;padding:0 26px 24px;display:flex}.faq-item__a-label{color:var(--red);flex-shrink:0;font-family:Nanum Myeongjo,serif;font-size:1.2rem;font-weight:800}.faq-item__a-text{color:var(--text-muted);white-space:pre-line;font-size:.96rem}.faq-item__link{color:var(--ocean);white-space:nowrap;font-weight:600;text-decoration:none}.faq-item__link:hover{text-decoration:underline}@media (max-width:480px){.faq-item__question{gap:10px;padding:18px}.faq-item__answer{gap:10px;padding:0 18px 18px}}
.timeline{max-width:820px;margin-top:20px;position:relative}.timeline:before{content:"";background:linear-gradient(var(--wave), var(--sky));width:2px;position:absolute;top:8px;bottom:8px;left:154px}.timeline__item{grid-template-columns:144px minmax(0,1fr);gap:30px;padding:18px 0;display:grid;position:relative}.timeline__item:before{content:"";box-sizing:content-box;background:var(--red);border:3px solid var(--white);border-radius:50%;width:8px;height:8px;position:absolute;top:26px;left:148px;box-shadow:0 0 0 3px #cd313a33}.timeline__year{color:var(--ocean);text-align:right;padding:5px 14px 0 0;font-family:Nanum Myeongjo,serif;font-size:1rem;font-weight:800;line-height:1.3}.timeline__body{padding-left:30px}.timeline__title{color:var(--heading);margin-bottom:6px;font-size:1.15rem;font-weight:700}.timeline__title-link{color:var(--heading);align-items:center;gap:6px;text-decoration:none;display:inline-flex}.timeline__title-link:hover{color:var(--ocean);text-decoration:underline}.timeline__title-link .ext-icon{opacity:.55;font-size:.75em}.timeline__desc{color:var(--text-muted);white-space:pre-line;font-size:.96rem}@media (max-width:860px){.timeline:before{left:100px}.timeline__item{grid-template-columns:94px minmax(0,1fr);gap:16px}.timeline__item:before{left:94px}.timeline__body{padding-left:20px}.timeline__year{font-size:.88rem}}@media (max-width:480px){.timeline__year{font-size:.8rem}}
.nature-card__img{cursor:zoom-in}.lightbox{z-index:1000;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0a2540eb;flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:40px;animation:.2s lightbox-fade;display:flex;position:fixed;inset:0}@keyframes lightbox-fade{0%{opacity:0}to{opacity:1}}.lightbox__img{cursor:default;border-radius:8px;width:auto;max-width:min(92vw,1400px);height:auto;max-height:82vh;box-shadow:0 20px 60px #00000080}.lightbox__caption{color:var(--white);opacity:.85;text-align:center;font-size:.95rem}.lightbox__close{color:var(--white);cursor:pointer;opacity:.8;background:0 0;border:none;font-size:2.4rem;line-height:1;transition:opacity .2s;position:absolute;top:24px;right:28px}.lightbox__close:hover{opacity:1}@media (max-width:480px){.lightbox{padding:20px}.lightbox__close{font-size:2rem;top:14px;right:16px}}
.closing{text-align:center;background:linear-gradient(180deg, var(--closing-from), var(--chrome));color:var(--white);padding:70px 0}.closing__title{letter-spacing:4px;font-family:Nanum Myeongjo,serif;font-size:clamp(2rem,6vw,3.4rem);font-weight:800}.closing__text{opacity:.9;margin-top:18px;font-size:1.1rem}.closing__actions{flex-wrap:wrap;justify-content:center;gap:14px;margin-top:36px;display:flex}.closing__actions .hero__cta{margin-top:0}
.footer{background:var(--chrome);color:#ffffffb3;justify-items:center;padding:40px 0}.footer__inner{text-align:center}.footer__logo{justify-content:center;display:flex}.footer__logo img{filter:brightness(0)invert();opacity:.92;width:152px;height:101px}.footer__links{flex-wrap:wrap;justify-content:center;gap:8px 28px;margin:18px 0 24px;display:flex}.footer__links a{color:#ffffffb3;font-size:.9rem;font-weight:600;text-decoration:none;transition:color .2s}.footer__links a:hover{color:var(--white)}
.top-btn{background:var(--ocean);width:48px;height:48px;color:var(--white);cursor:pointer;box-shadow:var(--shadow);opacity:0;pointer-events:none;z-index:90;border:none;border-radius:50%;font-size:1.3rem;transition:all .3s;position:fixed;bottom:24px;right:24px;transform:translateY(20px)}.top-btn.show{opacity:1;pointer-events:auto;transform:translateY(0)}.top-btn:hover{background:var(--sky)}
.reveal{opacity:0;transition:opacity .7s,transform .7s;transform:translateY(40px)}.reveal.visible{opacity:1;transform:translateY(0)}