@font-face{font-family:'Florence Sans';src:url('fonts/florence-sans-black.ttf') format('truetype');font-display:swap}
@font-face{font-family:'American Captain';src:url('fonts/american-captain.otf') format('opentype');font-display:swap}
@font-face{font-family:'Bitcrusher';src:url('fonts/bitcrusher-bold.otf') format('opentype');font-display:swap}
@font-face{font-family:'Inter';src:url('fonts/inter-regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:'Inter';src:url('fonts/inter-semibold.ttf') format('truetype');font-weight:600;font-display:swap}

:root{
  color-scheme:dark;--background:#10231e;--background-deep:#091713;--surface:#274737;
  --surface-dark:#1d342b;--surface-light:#365548;--text:#edede9;--muted:#aeb9ae;
  --green:#5b9b73;--mint:#1cd696;--neon:#39ff9e;--gold:#d4af37;--gold-light:#e8c670;
  --radius-md:16px;--radius-lg:20px;--page-width:1220px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--background-deep)}
body{margin:0;min-width:320px;min-height:100vh;background:var(--background-deep);color:var(--text);font-family:'Inter',system-ui,sans-serif;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}
body.modal-open{overflow:hidden}button,input{font:inherit}button{color:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.page{position:relative;isolation:isolate;min-height:100vh;overflow:hidden}
.page::before{content:'';position:fixed;inset:0;z-index:0;background:var(--background-deep) url('images/antho-app-background.png') center top/cover no-repeat;pointer-events:none}
.page::after{content:'';position:fixed;inset:0;z-index:0;background:rgba(9,23,19,.24);pointer-events:none}
.page>header,.page>main{position:relative;z-index:1}

.topbar{width:min(calc(100% - 32px),var(--page-width));min-height:78px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid rgba(232,198,112,.24)}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:0;color:var(--text);text-decoration:none}.brand img{display:block;width:112px;height:auto}.brand-copy{padding-left:12px;border-left:1px solid rgba(232,198,112,.42);color:rgba(237,237,233,.66);font:10px 'Florence Sans','Inter',sans-serif;letter-spacing:.16em;text-transform:uppercase;white-space:nowrap}
.return-link{display:inline-flex;min-height:42px;align-items:center;justify-content:center;border:1px solid rgba(232,198,112,.46);border-radius:999px;padding:10px 15px;color:var(--text);background:rgba(16,35,30,.88);box-shadow:0 8px 24px rgba(0,0,0,.24);font-size:12px;font-weight:600;text-decoration:none}.return-link[hidden]{display:none}.return-link:focus-visible{outline:2px solid var(--neon);outline-offset:3px}

main{width:min(calc(100% - 32px),var(--page-width));margin:0 auto;padding:70px 0 84px}.hero{max-width:850px;margin-bottom:38px}.eyebrow{margin:0 0 14px;color:var(--gold-light);font:clamp(11px,1.4vw,14px)/1.2 'Florence Sans','Inter',sans-serif;letter-spacing:.18em;text-transform:uppercase}
h1{max-width:820px;margin:0;color:var(--text);font:clamp(44px,7.2vw,86px)/.94 'Florence Sans','Inter',sans-serif;letter-spacing:.015em;text-transform:uppercase;text-wrap:balance;text-shadow:0 5px 28px rgba(0,0,0,.35)}
.hero-copy{max-width:660px;margin:24px 0 0;color:rgba(237,237,233,.76);font-size:clamp(15px,2vw,18px);line-height:1.65}

.controls{display:flex;align-items:stretch;justify-content:space-between;gap:18px;margin-bottom:22px}.language-tabs{display:inline-flex;flex:0 0 auto;align-items:center;gap:4px;min-height:52px;padding:4px;border:1px solid rgba(232,198,112,.38);border-radius:999px;background:rgba(16,35,30,.9);box-shadow:0 12px 30px rgba(0,0,0,.24)}
.lang-tab{min-width:72px;min-height:42px;border:0;border-radius:999px;background:transparent;color:rgba(237,237,233,.64);cursor:pointer;font:12px 'Florence Sans','Inter',sans-serif;letter-spacing:.12em;transition:.18s ease}.lang-tab.is-active{background:var(--surface-light);color:#fff;box-shadow:inset 0 0 0 1px rgba(232,198,112,.52),0 0 18px rgba(28,214,150,.18)}.lang-tab:hover{color:#fff}.lang-tab:active{transform:scale(.96)}.lang-tab:focus-visible{outline:2px solid var(--neon);outline-offset:2px}
.quantity-guide{flex:1 1 auto;min-height:52px;display:flex;align-items:center;gap:14px;border:1px solid rgba(28,214,150,.32);border-radius:var(--radius-md);padding:10px 16px;background:rgba(29,52,43,.88);box-shadow:0 10px 28px rgba(0,0,0,.2)}.guide-number{flex:0 0 auto;min-width:45px;color:var(--neon);font:600 18px/1 'Inter',sans-serif;letter-spacing:-.08em;text-align:center}.guide-copy{min-width:0}.guide-copy strong{display:block;color:#fff;font-size:13px;font-weight:600;line-height:1.25}.guide-copy span{display:block;margin-top:3px;color:rgba(237,237,233,.6);font-size:12px;line-height:1.35}

.tutorial-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.tutorial-card{min-width:0;display:block;border:1px solid rgba(232,198,112,.44);border-radius:var(--radius-lg);padding:0;overflow:hidden;background:rgba(29,52,43,.96);box-shadow:0 16px 36px rgba(0,0,0,.28),0 0 20px rgba(91,155,115,.08);text-align:left;cursor:pointer;appearance:none;transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;animation:cardIn .42s cubic-bezier(.22,1,.36,1) both;animation-delay:calc(var(--card-index,0)*45ms)}
.tutorial-card:hover,.tutorial-card:focus-visible{transform:translateY(-5px);border-color:rgba(232,198,112,.88);box-shadow:0 22px 42px rgba(0,0,0,.34),0 0 28px rgba(28,214,150,.16);outline:none}.tutorial-card:active{transform:translateY(-1px) scale(.99)}
.cover{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--surface-dark) url('images/antho-app-background.png') center/cover no-repeat}.cover::before{content:'';position:absolute;inset:0;background:rgba(9,23,19,.26);z-index:1}.exercise-icon{position:absolute;left:14px;bottom:10px;z-index:2;display:block;width:72px;height:72px;object-fit:cover;object-position:center;border:1px solid rgba(232,198,112,.72);border-radius:50%;padding:3px;background:rgba(9,23,19,.92);box-shadow:0 8px 22px rgba(0,0,0,.36),0 0 14px rgba(28,214,150,.12);filter:saturate(.82) brightness(.88) contrast(1.06);opacity:.92;transition:transform .4s cubic-bezier(.22,1,.36,1),opacity .25s ease,filter .25s ease}.tutorial-card:hover .exercise-icon,.tutorial-card:focus-visible .exercise-icon{transform:translateY(-3px) scale(1.06);filter:saturate(.96) brightness(.98) contrast(1.04);opacity:1}
.category-chip{position:absolute;top:10px;left:10px;max-width:calc(100% - 68px);min-height:28px;display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.26);border-radius:999px;padding:6px 10px 5px;background:rgba(9,23,19,.86);color:#fff;font:9px/1 'Florence Sans','Inter',sans-serif;letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.category-chip{z-index:3}.play-button{position:absolute;z-index:3;right:10px;top:10px;width:38px;height:38px;display:grid;place-items:center;border:1px solid rgba(232,198,112,.72);border-radius:50%;background:rgba(16,35,30,.92);color:#fff;box-shadow:0 8px 20px rgba(0,0,0,.34),0 0 16px rgba(28,214,150,.2)}.play-button .material-symbols-rounded{font-size:24px}
.vignette-content{position:absolute;inset:42px 14px 13px;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.card-kicker{margin:0 0 6px;color:var(--gold-light);font:8px/1 'Florence Sans','Inter',sans-serif;letter-spacing:.14em;text-transform:uppercase}.card-title{max-width:220px;margin:0;color:#fff;font:clamp(25px,2.1vw,34px)/.9 'Bitcrusher','Arial Narrow',sans-serif;text-transform:uppercase;text-wrap:balance;text-shadow:0 3px 18px rgba(0,0,0,.7)}.card-material{min-height:40px;display:flex;align-items:center;justify-content:center;margin-top:10px}
.quantity{display:inline-flex;align-items:center;justify-content:center;gap:8px;color:rgba(237,237,233,.74);font-size:10px;font-weight:600;line-height:1.15;text-align:left}.quantity-value{color:var(--neon);font:40px/.72 'American Captain','Arial Narrow',sans-serif;text-shadow:0 0 18px rgba(57,255,158,.28)}.quantity-copy{max-width:82px}.method-label{min-height:28px;display:inline-flex;align-items:center;border:1px solid rgba(232,198,112,.5);border-radius:999px;padding:7px 10px;color:var(--gold-light);background:rgba(9,23,19,.54);font:8px 'Florence Sans','Inter',sans-serif;letter-spacing:.09em;text-transform:uppercase}
@keyframes cardIn{from{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}

.app-cta{position:relative;margin-top:46px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:30px;border:1px solid rgba(232,198,112,.5);border-radius:28px;padding:28px 30px;overflow:hidden;background:rgba(29,52,43,.96);box-shadow:0 22px 48px rgba(0,0,0,.3),0 0 30px rgba(28,214,150,.08)}.app-cta::after{content:'';position:absolute;width:260px;height:260px;right:-100px;top:-120px;border-radius:50%;background:rgba(28,214,150,.08);box-shadow:0 0 90px rgba(28,214,150,.18);pointer-events:none}.app-cta-copy{position:relative;z-index:1}.app-cta h2{margin:0;color:#fff;font:clamp(34px,4.5vw,56px)/.95 'Bitcrusher','Arial Narrow',sans-serif;text-transform:uppercase}.app-cta p{max-width:650px;margin:10px 0 0;color:rgba(237,237,233,.68);font-size:14px;line-height:1.5}
.waitlist-trigger{position:relative;z-index:1;min-height:52px;display:inline-flex;align-items:center;justify-content:center;gap:12px;border:1px solid rgba(232,198,112,.7);border-radius:999px;padding:12px 20px;background:var(--green);color:#fff;box-shadow:0 10px 24px rgba(0,0,0,.28),0 0 18px rgba(28,214,150,.22);cursor:pointer;font:11px 'Florence Sans','Inter',sans-serif;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap;transition:.18s ease}.waitlist-trigger:hover,.waitlist-trigger:focus-visible{transform:translateY(-2px);box-shadow:0 14px 28px rgba(0,0,0,.3),0 0 24px rgba(57,255,158,.34);outline:none}.waitlist-trigger img{width:88px;height:auto}

.video-modal,.waitlist-modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:18px;background:rgba(4,12,9,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.video-modal.open,.waitlist-modal.open{display:flex}.modal-close{position:fixed;top:max(16px,env(safe-area-inset-top));right:max(16px,env(safe-area-inset-right));z-index:102;width:46px;height:46px;display:grid;place-items:center;border:1px solid rgba(232,198,112,.5);border-radius:50%;padding:0;background:rgba(29,52,43,.94);color:#fff;cursor:pointer;box-shadow:0 8px 22px rgba(0,0,0,.32)}.modal-close:hover,.modal-close:focus-visible{outline:2px solid var(--neon);outline-offset:2px}.modal-close .material-symbols-rounded{font-size:25px}
.video-frame{width:min(100%,540px);height:min(calc(100dvh - 36px),900px);display:flex;align-items:center;justify-content:center}.modal-video{display:block;width:100%;height:100%;object-fit:contain;background:#000;border:1px solid rgba(232,198,112,.36);border-radius:20px;box-shadow:0 26px 70px rgba(0,0,0,.58)}
.waitlist-card{position:relative;width:min(100%,420px);border:1px solid rgba(232,198,112,.54);border-radius:24px;padding:32px 26px 25px;background:var(--surface-dark) url('images/antho-app-background.png') center/cover no-repeat;box-shadow:0 28px 80px rgba(0,0,0,.58),0 0 34px rgba(28,214,150,.1);text-align:center}.waitlist-logo{display:block;width:120px;height:auto;margin:0 auto 20px}.waitlist-card h3{margin:0;color:#fff;font:36px/.95 'Bitcrusher','Arial Narrow',sans-serif;text-transform:uppercase}.waitlist-sub{margin:13px 0 20px;color:rgba(237,237,233,.72);font-size:14px;line-height:1.5}.waitlist-sub strong{color:var(--gold-light)}.waitlist-card form{display:grid;gap:10px}.waitlist-card input{width:100%;min-height:48px;border:1px solid rgba(237,237,233,.2);border-radius:12px;padding:0 14px;background:rgba(9,23,19,.78);color:#fff;font-size:15px}.waitlist-card input::placeholder{color:rgba(237,237,233,.48)}.waitlist-card input:focus{outline:2px solid var(--mint);outline-offset:1px}.waitlist-submit{min-height:49px;border:1px solid rgba(232,198,112,.58);border-radius:12px;background:var(--green);color:#fff;cursor:pointer;font:11px 'Florence Sans','Inter',sans-serif;letter-spacing:.08em;text-transform:uppercase}.waitlist-submit:disabled{opacity:.55;cursor:wait}.waitlist-error{min-height:18px;color:#ff9b9b;font-size:12px}.waitlist-privacy{margin:13px 0 0;color:rgba(237,237,233,.48);font-size:11px;line-height:1.45}.waitlist-success{display:none;padding:12px 0 5px}.waitlist-success .material-symbols-rounded{color:var(--neon);font-size:54px}

@media(max-width:1040px){.tutorial-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:780px){main{padding-top:50px}.controls{flex-direction:column}.language-tabs{align-self:flex-start}.tutorial-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.app-cta{grid-template-columns:1fr}.waitlist-trigger{justify-self:start}}
@media(max-width:540px){.topbar{min-height:68px}.brand img{width:96px}.brand-copy{display:none}main{padding:42px 0 60px}.hero{margin-bottom:30px}h1{font-size:clamp(48px,16vw,70px)}.hero-copy{margin-top:18px;font-size:15px}.tutorial-grid{grid-template-columns:1fr;gap:14px}.cover{background-position:center 36%}.category-chip{max-width:calc(100% - 68px);font-size:8px}.play-button{width:40px;height:40px}.vignette-content{inset:45px 18px 16px}.card-title{max-width:280px;font-size:clamp(31px,9vw,40px)}.quantity-value{font-size:44px}.quantity-copy{max-width:96px;font-size:11px}.exercise-icon{width:88px;height:88px;left:18px;bottom:12px}.app-cta{margin-top:34px;padding:24px 20px}.waitlist-trigger{width:100%;padding-inline:16px}.quantity-guide{padding-inline:13px}.guide-copy strong{font-size:12px}.guide-copy span{font-size:11px}}
@media(max-width:380px){.card-title{font-size:29px}.quantity{gap:6px}.quantity-copy{max-width:76px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}