/* BOCKJUN — THE HYPERTROPHY BLUEPRINT
   One stylesheet for all pages. Mobile first; desktop layout starts at 768px.
   Values come from the approved Design Canvas boards (mobile board below 768px, desktop board from 768px). */

/* ---------- Fonts (self-hosted) ---------- */
@font-face{font-family:"Archivo";src:url("/assets/fonts/archivo-latin-var.woff2") format("woff2");font-weight:100 900;font-stretch:62% 125%;font-style:normal;font-display:swap}

/* Pretendard, Latin and symbols */
@font-face{font-family:"Pretendard";src:url("/assets/fonts/pretendard-400-latin.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20A9,U+20AC,U+2122,U+2190-2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Pretendard";src:url("/assets/fonts/pretendard-600-latin.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20A9,U+20AC,U+2122,U+2190-2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Pretendard";src:url("/assets/fonts/pretendard-700-latin.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20A9,U+20AC,U+2122,U+2190-2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Pretendard";src:url("/assets/fonts/pretendard-800-latin.woff2") format("woff2");font-weight:800;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20A9,U+20AC,U+2122,U+2190-2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Pretendard";src:url("/assets/fonts/pretendard-900-latin.woff2") format("woff2");font-weight:900;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20A9,U+20AC,U+2122,U+2190-2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* Pretendard, Korean: only the characters used on this site (regenerate with tools/subset-fonts.py after editing text) */
@font-face{font-family:"Pretendard";src:url("/assets/fonts/pretendard-400-ko.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap;unicode-range:U+1100-11FF,U+3000-303F,U+3130-318F,U+AC00-D7AF,U+FF00-FFEF}
@font-face{font-family:"Pretendard";src:url("/assets/fonts/pretendard-600-ko.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap;unicode-range:U+1100-11FF,U+3000-303F,U+3130-318F,U+AC00-D7AF,U+FF00-FFEF}
@font-face{font-family:"Pretendard";src:url("/assets/fonts/pretendard-700-ko.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap;unicode-range:U+1100-11FF,U+3000-303F,U+3130-318F,U+AC00-D7AF,U+FF00-FFEF}
@font-face{font-family:"Pretendard";src:url("/assets/fonts/pretendard-800-ko.woff2") format("woff2");font-weight:800;font-style:normal;font-display:swap;unicode-range:U+1100-11FF,U+3000-303F,U+3130-318F,U+AC00-D7AF,U+FF00-FFEF}
@font-face{font-family:"Pretendard";src:url("/assets/fonts/pretendard-900-ko.woff2") format("woff2");font-weight:900;font-style:normal;font-display:swap;unicode-range:U+1100-11FF,U+3000-303F,U+3130-318F,U+AC00-D7AF,U+FF00-FFEF}

/* Safety net: the complete Pretendard files. A browser downloads one of these only when a page
   contains a Korean character that is missing from the small subset above. */
@font-face{font-family:"Pretendard Full";src:url("/assets/fonts/full/Pretendard-Regular.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap;unicode-range:U+1100-11FF,U+3000-303F,U+3130-318F,U+AC00-D7AF,U+FF00-FFEF}
@font-face{font-family:"Pretendard Full";src:url("/assets/fonts/full/Pretendard-SemiBold.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap;unicode-range:U+1100-11FF,U+3000-303F,U+3130-318F,U+AC00-D7AF,U+FF00-FFEF}
@font-face{font-family:"Pretendard Full";src:url("/assets/fonts/full/Pretendard-Bold.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap;unicode-range:U+1100-11FF,U+3000-303F,U+3130-318F,U+AC00-D7AF,U+FF00-FFEF}
@font-face{font-family:"Pretendard Full";src:url("/assets/fonts/full/Pretendard-ExtraBold.woff2") format("woff2");font-weight:800;font-style:normal;font-display:swap;unicode-range:U+1100-11FF,U+3000-303F,U+3130-318F,U+AC00-D7AF,U+FF00-FFEF}
@font-face{font-family:"Pretendard Full";src:url("/assets/fonts/full/Pretendard-Black.woff2") format("woff2");font-weight:900;font-style:normal;font-display:swap;unicode-range:U+1100-11FF,U+3000-303F,U+3130-318F,U+AC00-D7AF,U+FF00-FFEF}

/* ---------- Base ---------- */
:root{
  --ink:#151515;--gray:#767676;--gray-2:#666666;--line:#E5E5E5;--tile:#F2F3F5;--accent:#2E55FF;--tint:#E5EBFF;
  --f-ko:"Pretendard","Pretendard Full","Apple SD Gothic Neo","Noto Sans KR",sans-serif;
  --f-en:"Archivo","Pretendard","Pretendard Full",sans-serif;
  --gutter:20px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--f-ko);-webkit-font-smoothing:antialiased;overflow-x:clip}
body.lang-ko{word-break:keep-all}
img{max-width:100%}
a{transition:opacity .15s ease}
a:active{opacity:.7}
@media (hover:hover){a:hover{opacity:.78}}
a:focus-visible,button:focus-visible,.cards:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
[hidden]{display:none !important}
.en{font-family:var(--f-en);font-stretch:125%}
.br-d{display:none}
.only-d{display:none}
.skip{position:absolute;left:-9999px;top:0;z-index:100;padding:12px 16px;background:var(--ink);color:#fff;font-size:14px;font-weight:700}
.skip:focus{left:8px;top:8px}
.container{max-width:1440px;margin:0 auto}
.section{border-top:1px solid var(--line)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{height:60px;padding:0 var(--gutter);display:flex;align-items:center;justify-content:space-between}
.logo{font-family:var(--f-en);font-stretch:125%;font-weight:900;font-size:18px;letter-spacing:.04em;color:var(--ink);text-decoration:none}
.header-right{display:flex;align-items:center;gap:6px;margin-right:-10px}
.nav-links{display:none}
.header-right>.lang-switch{display:none}
.btn-get{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 14px;border-radius:5px;background:var(--ink);color:#fff;font-family:var(--f-en);font-stretch:125%;font-size:12px;font-weight:800;letter-spacing:.04em;text-decoration:none;white-space:nowrap}
.menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;border:0;background:transparent;color:var(--ink);cursor:pointer}
.menu-toggle .i-close{display:none}
.menu-toggle[aria-expanded="true"] .i-open{display:none}
.menu-toggle[aria-expanded="true"] .i-close{display:block}
.mobile-menu{position:absolute;left:0;right:0;top:60px;max-height:calc(100vh - 60px);max-height:calc(100dvh - 60px);overflow-y:auto;background:#fff;border-bottom:1px solid var(--line);padding:4px var(--gutter) 28px}
.m-link{display:flex;align-items:center;min-height:64px;border-bottom:1px solid var(--line);font-family:var(--f-en);font-stretch:125%;font-size:22px;font-weight:900;letter-spacing:.01em;color:var(--ink);text-decoration:none}
.m-cta{display:flex;align-items:center;justify-content:center;min-height:54px;margin-top:24px;background:var(--ink);color:#fff;text-decoration:none}
.m-foot{display:flex;justify-content:space-between;margin-top:8px}
.m-insta{display:inline-flex;align-items:center;min-height:44px;font-size:14px;color:var(--ink)}
.lang-switch{margin:0;display:flex;align-items:center;font-family:var(--f-en);font-size:13px;letter-spacing:.04em}
.lang-switch .cur,.lang-switch a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 6px}
.lang-switch .cur{font-weight:800;color:var(--ink)}
.lang-switch a{font-weight:600;color:var(--gray);text-decoration:none}
.lang-switch .sep{width:1px;height:12px;background:#CFCFCF}
.m-foot .lang-switch{margin-right:-6px}
.m-foot .lang-switch .cur{min-width:34px;padding:0}
.m-foot .lang-switch a{min-width:40px;padding:0}

/* ---------- Buttons ---------- */
.btn{display:flex;align-items:center;justify-content:center;gap:8px;min-height:54px;padding:0 20px;text-decoration:none;text-align:center;cursor:pointer}
.btn-dark{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-outline{border:2px solid var(--ink);color:var(--ink)}
.btn-outline-light{border:1px solid rgba(255,255,255,.6);color:#fff;min-height:52px}
.lang-ko .btn,.lang-ko .m-cta{font-size:16px;font-weight:700}
.lang-en .btn,.lang-en .m-cta{font-family:var(--f-en);font-stretch:125%;font-size:13px;font-weight:800;letter-spacing:.06em}
.btn .count{font-family:var(--f-ko);font-stretch:normal;letter-spacing:0;font-size:13px;font-weight:600;color:var(--gray)}
.btn-outline-light .count{color:#B5B5B5}
.btn.is-unavailable{opacity:.45;cursor:not-allowed}

/* ---------- Hero ---------- */
.hero{padding:36px var(--gutter) 64px;text-align:center}
.hero h1{margin:0;font-family:var(--f-en);font-stretch:125%;font-size:clamp(26px,8.6vw,37px);font-weight:900;line-height:.95;letter-spacing:-.015em;color:var(--ink)}
.hero-sub{margin:22px 0 0;color:var(--ink)}
.lang-ko .hero-sub{font-size:17px;font-weight:700;line-height:1.5;letter-spacing:-.02em}
.lang-en .hero-sub{font-family:var(--f-en);font-stretch:125%;font-size:14px;font-weight:800;line-height:1.45;letter-spacing:.04em}
.hero-desc{font-size:15px;line-height:1.65;color:var(--gray)}
.lang-ko .hero-desc{margin:10px 0 0}
.lang-en .hero-desc{margin:12px 0 0}
.hero-cta{margin-top:24px}
.hero-sign{margin:14px 0 0;font-family:var(--f-en);font-stretch:125%;font-weight:700;font-size:11px;line-height:1.5;letter-spacing:.08em;color:var(--gray)}
.hero-media{display:flex;justify-content:center;align-items:flex-start;height:clamp(220px,56.4vw,430px);margin-top:28px;background:var(--tile);border-radius:20px;overflow:hidden}
.hero-media-in{display:flex;justify-content:center;align-items:flex-start;flex:1 1 auto;width:100%;height:100%}
.dev-tablet{flex:0 0 44%;margin-top:clamp(34px,8.7vw,66px);padding:6px;background:var(--ink);border-radius:14px}
.dev-tablet .screen{aspect-ratio:3/4;overflow:hidden;border-radius:8px;background:#fff}
.dev-cover{position:relative;z-index:2;flex:0 0 33%;margin:clamp(16px,4.1vw,31px) 0 0 -8%;box-shadow:0 16px 32px rgba(21,21,21,.16)}
.dev-phone{position:relative;z-index:3;flex:0 0 19%;margin:clamp(62px,15.9vw,121px) 0 0 -5%;padding:3px;background:var(--ink);border-radius:14px}
.dev-phone .screen{aspect-ratio:9/19;overflow:hidden;border-radius:11px;background:#E4E6EA;padding-top:22%}
.hero-media img{display:block;width:100%;height:auto}

/* English product images that have not been supplied yet (never replaced by Korean images) */
.ph-media{display:flex;align-items:center;justify-content:center;width:100%;height:100%;min-height:100%;padding:8px;background:#fff;color:var(--gray);font-family:var(--f-en);font-stretch:110%;font-size:clamp(7px,1.6vw,11px);font-weight:700;line-height:1.35;letter-spacing:.06em;text-align:center;text-transform:uppercase}
.dev-tablet .ph-media{aspect-ratio:3/4}
.dev-phone .ph-media{position:absolute;inset:0;padding:4px;background:transparent;color:#4d4d4d;font-size:clamp(5px,1.1vw,9px)}
.dev-phone .screen{position:relative}
.card-media .ph-media{font-size:11px}

/* ---------- Section headings ---------- */
.h2{margin:0;font-weight:900;color:var(--ink)}
.lang-ko .h2{font-size:clamp(30px,9vw,38px);line-height:1.15;letter-spacing:-.04em}
.lang-en .h2{font-family:var(--f-en);font-stretch:125%;line-height:.9;letter-spacing:-.01em}
.lang-en .about .h2{font-size:clamp(32px,10vw,42px)}
.lang-en .inside .h2{font-size:clamp(28px,10vw,46px)}
.lang-en .reviews .h2{font-size:clamp(30px,10vw,40px)}
.lang-en .faq .h2{font-size:40px}
.lead-side{font-size:15px;line-height:1.7;color:var(--gray)}

/* ---------- About ---------- */
.about-inner{display:flex;flex-direction:column;padding:64px var(--gutter)}
.about-text{display:contents}
.about .h2{order:1}
.about-photo{order:2;margin:28px calc(var(--gutter) * -1) 0}
.about-photo img{display:block;width:100%;height:auto}
.about-body{order:3}
.about-lead{margin:26px 0 0;font-size:17px;font-weight:600;line-height:1.6;color:var(--ink)}
.lang-ko .about-lead{letter-spacing:-.01em}
.about-p{margin:12px 0 0;font-size:15px;line-height:1.75;color:var(--gray)}
.about-insta{margin:14px 0 0;font-size:15px;font-weight:700}
.about-insta a{font-weight:600;color:var(--ink)}
.about-groups{order:4;margin-top:36px}
.about-group+.about-group{margin-top:28px}
.h3-rule{margin:0;padding-top:12px;border-top:2px solid var(--ink);color:var(--ink)}
.lang-ko .h3-rule{font-size:16px;font-weight:800;letter-spacing:-.02em}
.lang-en .h3-rule{font-family:var(--f-en);font-stretch:125%;font-weight:900;font-size:13px;letter-spacing:.05em}
.photo-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}
.photo-pair figure{margin:0}
.photo-pair img{display:block;width:100%;height:auto}
.photo-pair figcaption{margin-top:8px}
.photo-pair .cap-t{margin:0;font-size:14px;font-weight:700;color:var(--ink)}
.photo-pair .cap-s{margin:2px 0 0;font-size:12px;line-height:1.5;color:var(--gray)}

/* ---------- Program (inside) ---------- */
.inside-wrap{padding:64px 0}
.inside-head,.inside-cta{padding:0 var(--gutter)}
.lang-ko .inside-head .lead-side{margin:16px 0 0}
.lang-en .inside-head .lead-side{margin:18px 0 0}
.cards{display:flex;gap:12px;margin-top:28px;padding:0 var(--gutter) 4px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-left:var(--gutter);-webkit-overflow-scrolling:touch}
.card{flex:0 0 min(80%,340px);scroll-snap-align:start;background:var(--tile);border-radius:20px;padding:12px 12px 22px}
.card-media{aspect-ratio:4/3;overflow:hidden;border-radius:12px;background:#fff}
.card-media>img{display:block;width:100%;height:100%;object-fit:cover;object-position:top}
.card h3{margin:16px 6px 0;color:var(--ink)}
.lang-ko .card h3{font-size:19px;font-weight:800;line-height:1.3;letter-spacing:-.03em}
.lang-en .card h3{font-family:var(--f-en);font-stretch:125%;font-weight:900;font-size:18px;line-height:1.1}
.card p.card-d{font-size:14px;line-height:1.6;color:var(--gray-2)}
.lang-ko .card p.card-d{margin:6px 6px 0}
.lang-en .card p.card-d{margin:8px 6px 0}
/* diagrams inside cards */
.dg{height:100%;padding:14px;display:flex;flex-direction:column;justify-content:center}
.dg-split{gap:12px}
.dg-label{margin:0;display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.dg-label .k{font-weight:800;color:var(--ink)}
.lang-ko .dg-label .k{font-size:12px}
.lang-en .dg-label .k{font-family:var(--f-en);font-stretch:125%;font-size:10.5px;letter-spacing:.05em}
.dg-label .v{font-size:11.5px;font-weight:600;color:var(--gray-2)}
.chips{display:grid;gap:5px;margin-top:6px}
.chips.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.chips.c4{grid-template-columns:repeat(4,minmax(0,1fr))}
.lang-en .chips{font-family:var(--f-en)}
.chip{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;height:38px;border-radius:8px;background:var(--accent);color:#fff}
.chip.tint{background:var(--tint);color:var(--accent)}
.chip.rest{background:var(--tile);color:var(--gray-2)}
.chip b{font-weight:700;line-height:1}
.chip small{font-weight:600;line-height:1}
.chips.c3 .chip b{font-family:var(--f-en);font-size:13px}
.lang-ko .chips.c4 .chip b{font-size:11.5px}
.lang-en .chips.c4 .chip b{font-size:10.5px;letter-spacing:.02em}
.lang-ko .chip small{font-size:9.5px}
.lang-en .chip small{font-size:9px;letter-spacing:.05em}
.rows{display:grid;gap:5px;margin-top:8px;font-variant-numeric:tabular-nums}
.lang-en .rows{font-family:var(--f-en)}
.row{display:grid;align-items:center;height:34px;padding:0 12px;border-radius:8px;background:var(--tile);color:var(--ink);font-size:13px;font-weight:600}
.lang-ko .row{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,.8fr)}
.lang-en .row{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,.9fr)}
.row.top{background:var(--accent);color:#fff}
.row .n{font-family:var(--f-en)}
.row .r{text-align:right}
.lang-ko .row .t{font-size:12px;font-weight:700}
.lang-en .row .t{font-stretch:125%;font-weight:800;font-size:10px;letter-spacing:.04em}
.inside-cta{display:flex;flex-direction:column}
.lang-ko .inside-cta{margin-top:24px}
.lang-en .inside-cta{margin-top:32px}
.inside-cta .btn-outline{margin-top:10px;order:2}
.inside-cta .price{display:none}

/* ---------- Reviews ---------- */
.reviews-inner{padding:64px var(--gutter)}
.reviews .lead-side{margin:16px 0 0}
.review-box{margin-top:24px;padding:20px;background:var(--tile);border-radius:20px}
.pill{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:var(--tint);color:var(--accent);font-size:12px;font-weight:700}
.review-box .t{margin:12px 0 0;font-size:17px;font-weight:700;line-height:1.45;color:var(--ink)}
.review-box .more{display:inline-flex;align-items:center;min-height:44px;margin-top:4px;font-size:14px;font-weight:700;color:var(--ink);text-decoration:underline;text-underline-offset:4px}

/* ---------- FAQ ---------- */
.faq-inner{padding:64px var(--gutter)}
.faq-list{margin-top:28px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item h3{margin:0}
.faq-q{display:flex;width:100%;min-height:56px;align-items:center;justify-content:space-between;gap:16px;margin:0;padding:20px 0;border:0;border-radius:0;background:transparent;color:var(--ink);font:inherit;font-size:16px;font-weight:700;line-height:1.45;text-align:left;cursor:pointer;-webkit-tap-highlight-color:transparent}
.lang-ko .faq-q{font-family:var(--f-ko);letter-spacing:-.01em}
.lang-en .faq-q{font-family:var(--f-en);letter-spacing:0}
.faq-plus{flex:none;width:18px;height:18px;color:var(--ink);transition:transform 220ms ease-in-out,color 220ms ease-in-out}
.faq-item[data-open="true"] .faq-plus{transform:rotate(45deg);color:var(--accent)}
.faq-a{display:grid;grid-template-rows:0fr;visibility:hidden;transition:grid-template-rows 220ms ease-in-out,visibility 0s linear 220ms}
.faq-item[data-open="true"] .faq-a{grid-template-rows:1fr;visibility:visible;transition:grid-template-rows 220ms ease-in-out,visibility 0s linear 0s}
.faq-a-inner{min-height:0;overflow:hidden}
.faq-a-inner p{margin:0;padding:0 0 24px;font-size:15px;line-height:1.75;color:var(--ink);opacity:0;transform:translateY(4px);transition:opacity 220ms ease-in-out,transform 220ms ease-in-out}
.faq-item[data-open="true"] .faq-a-inner p{opacity:1;transform:none}
/* without JavaScript every answer stays readable */
.no-js .faq-a{grid-template-rows:1fr;visibility:visible}
.no-js .faq-a-inner p{opacity:1;transform:none}
.no-js .faq-plus{display:none}

/* ---------- Final purchase area ---------- */
.final{background:var(--ink);color:#fff}
.final-inner{padding:80px var(--gutter)}
.final .h2{color:#fff}
.lang-ko .final .h2{font-size:clamp(34px,11vw,46px);line-height:1.12;letter-spacing:-.045em}
.lang-en .final .h2{font-size:clamp(36px,12.5vw,52px);line-height:.88;letter-spacing:-.01em}
.buy{scroll-margin-top:76px}
.buy-name{margin:24px 0 0;font-family:var(--f-en);font-stretch:125%;font-weight:900;font-size:22px;line-height:1;letter-spacing:-.01em;color:#fff}
.buy-slogan{margin:12px 0 0;font-family:var(--f-en);font-stretch:125%;font-weight:700;font-size:12px;line-height:1.5;letter-spacing:.06em;color:#B5B5B5}
.buy-list{list-style:none;margin:22px 0 0;padding:0;border-top:1px solid rgba(255,255,255,.24)}
.buy-list li{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.24);font-size:14px}
.buy-list .v{font-weight:700;white-space:nowrap}
.buy-list .v.num{font-family:var(--f-en);font-variant-numeric:tabular-nums}
.buy-row{display:flex;flex-direction:column;margin-top:24px}
.buy-row .price{margin:0 0 16px;font-family:var(--f-en);font-variant-numeric:tabular-nums;font-weight:700;font-size:28px;line-height:1;color:#fff}
.buy-actions{display:flex;flex-direction:column}
.buy-actions .btn-light{order:1}
.buy-actions .btn-outline-light{order:2;margin-top:10px}
.buy-status{margin:12px 0 0;font-size:13px;font-weight:600;line-height:1.6;color:#fff}
.buy-note{margin:14px 0 0;font-size:12px;line-height:1.65;color:#B5B5B5}
.refund{margin:12px 0 0;padding-top:12px;border-top:1px solid rgba(255,255,255,.24);scroll-margin-top:76px;font-size:12.5px;line-height:1.65;color:#fff}
.refund strong{display:block;margin-bottom:4px;font-size:13px;font-weight:700}
.buy-other{margin:6px 0 0;font-size:12px;line-height:1.65;color:#B5B5B5}
.buy-other a{color:#fff;text-underline-offset:3px}

/* ---------- Footer ---------- */
.site-footer{padding:36px var(--gutter) 28px}
.legal-page .site-footer{border-top:1px solid var(--line)}
.footer-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:16px}
.footer-nav a,.footer-nav button{display:flex;align-items:center;min-height:44px;padding:0;border:0;background:transparent;color:var(--ink);font:inherit;font-size:14px;text-align:left;text-decoration:none;cursor:pointer}
.footer-nav .strong{font-weight:700}
.footer-nav [aria-current="page"]{text-decoration:underline;text-underline-offset:4px}
.contact-panel{display:flex;flex-direction:column;margin-top:12px;padding:18px;background:var(--tile);border-radius:12px}
.contact-panel .c-text{display:contents}
.contact-panel .c-info{order:1}
.contact-panel .c-mail{order:2}
.contact-panel .c-actions{order:3}
.contact-panel .c-status{order:4}
.contact-panel .c-info{margin:0;font-size:13px;line-height:1.5;color:var(--gray-2)}
.contact-panel .c-mail{margin:6px 0 0;font-size:18px;font-weight:700;line-height:1.4;color:var(--ink);-webkit-user-select:all;user-select:all;overflow-wrap:anywhere}
.contact-panel .c-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:14px}
.contact-panel .c-btn{display:flex;align-items:center;justify-content:center;min-height:46px;padding:0 8px;border:0;border-radius:5px;background:var(--ink);color:#fff;font:inherit;font-size:14px;font-weight:700;text-align:center;text-decoration:none;cursor:pointer}
.contact-panel a.c-btn{border:1px solid var(--ink);background:transparent;color:var(--ink)}
.contact-panel .c-status{margin:8px 0 0;min-height:18px;font-size:12px;line-height:1.5;color:var(--gray-2)}
.biz{display:flex;flex-wrap:wrap;gap:4px 14px;margin:18px 0 0;font-size:12px;line-height:1.6;color:var(--gray)}
.copyright{margin:14px 0 0;font-size:12px;color:var(--gray)}

/* ---------- Sticky purchase bar (mobile only) ---------- */
.buy-bar{position:sticky;bottom:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px var(--gutter) calc(10px + env(safe-area-inset-bottom,0px));background:#fff;border-top:1px solid var(--line)}
.buy-bar p{margin:0;min-width:0}
.buy-bar .n{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:var(--f-en);font-stretch:125%;font-weight:800;letter-spacing:.02em;color:var(--gray)}
.lang-ko .buy-bar .n{font-size:10.5px}
.lang-en .buy-bar .n{font-size:10px}
.buy-bar .price{display:block;margin-top:2px;font-family:var(--f-en);font-variant-numeric:tabular-nums;font-weight:700;font-size:19px;color:var(--ink)}
.buy-bar a{display:inline-flex;align-items:center;justify-content:center;min-height:48px;background:var(--ink);color:#fff;text-decoration:none;white-space:nowrap}
.lang-ko .buy-bar a{padding:0 22px;font-size:15px;font-weight:700}
.lang-en .buy-bar a{padding:0 18px;font-family:var(--f-en);font-stretch:125%;font-size:12.5px;font-weight:800;letter-spacing:.06em}

/* ---------- Entrance animation (hero) ---------- */
@keyframes bj-rise{from{opacity:0;transform:translate3d(0,10px,0)}to{opacity:1;transform:none}}
@keyframes bj-fade-up{from{opacity:0;transform:translate3d(0,12px,0)}to{opacity:1;transform:none}}
@keyframes bj-line{from{opacity:0;transform:translate3d(0,24px,0)}to{opacity:1;transform:none}}
@keyframes bj-media{from{opacity:0;clip-path:inset(0 0 22% 0 round 20px)}to{opacity:1;clip-path:inset(0 0 0 0 round 20px)}}
@keyframes bj-settle{from{transform:scale(1.04)}to{transform:none}}
.home .bj-head{animation:bj-rise 450ms cubic-bezier(.33,1,.68,1) backwards}
.bj-hl{display:block;overflow:hidden;padding-bottom:.1em;margin-bottom:-.1em}
.bj-hl>span{display:block;animation:bj-line 650ms cubic-bezier(.22,1,.36,1) backwards}
.bj-l1>span{animation-delay:100ms}
.bj-l2>span{animation-delay:200ms}
.bj-l3>span{animation-delay:300ms}
.bj-fade{animation:bj-fade-up 500ms cubic-bezier(.33,1,.68,1) backwards}
.bj-sub{animation-delay:380ms}
.bj-desc{animation-delay:440ms}
.bj-cta{animation-delay:520ms}
.bj-sign{animation-delay:580ms}
.bj-media{animation:bj-media 900ms cubic-bezier(.22,1,.36,1) 200ms backwards}
.bj-media-in{transform-origin:50% 30%;animation:bj-settle 900ms cubic-bezier(.22,1,.36,1) 200ms backwards}

/* ---------- Legal pages ---------- */
.legal{max-width:760px;margin:0 auto;padding:clamp(56px,7vw,96px) 20px clamp(80px,8vw,120px)}
.legal h1{margin:0;font-weight:900;color:var(--ink)}
.lang-ko .legal h1{font-size:clamp(34px,4.4vw,52px);line-height:1.15;letter-spacing:-.04em}
.lang-en .legal h1{font-family:var(--f-en);font-stretch:125%;font-size:clamp(32px,4.4vw,52px);line-height:.95;letter-spacing:-.01em}
.legal .eff{font-size:15px;line-height:1.6;color:var(--gray)}
.lang-ko .legal .eff{margin:14px 0 0}
.lang-en .legal .eff{margin:16px 0 0}
.legal .intro{margin:28px 0 0;font-size:17px;line-height:1.75;color:var(--ink)}
.toc{margin-top:36px}
.toc ol{list-style:none;margin:0;padding:16px 0 0;border-top:2px solid var(--ink);columns:1}
.toc li{break-inside:avoid;padding:5px 0;font-size:14.5px;line-height:1.5}
.toc a{color:var(--ink);text-decoration:none}
.toc b{display:inline-block;min-width:1.8em;font-weight:700;color:var(--gray)}
.toc.wide b{min-width:3.4em}
.doc section{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);scroll-margin-top:76px}
.doc h2{margin:0;font-size:20px;font-weight:800;line-height:1.4;color:var(--ink)}
.lang-ko .doc h2{letter-spacing:-.02em}
.lang-en .doc h2{letter-spacing:-.01em}
.doc h3{margin:20px 0 0;font-size:16px;font-weight:800;line-height:1.5;color:var(--ink)}
.doc p{margin:12px 0 0;font-size:15px;line-height:1.8;color:#2A2A2A}
.doc ol,.doc ul{margin:12px 0 0;padding-left:1.35em;font-size:15px;line-height:1.8;color:#2A2A2A}
.doc li+li{margin-top:6px}
.doc a{color:var(--ink);text-underline-offset:3px;overflow-wrap:anywhere}
.doc .note{font-size:14px;line-height:1.7;color:var(--gray)}
.tbl{margin-top:16px;overflow-x:auto}
.tbl table{width:100%;border-collapse:collapse;font-size:13.5px;line-height:1.6}
.tbl th{text-align:left;font-weight:700;color:var(--ink);padding:10px 8px;border-top:1px solid var(--ink);border-bottom:1px solid var(--line);background:#F7F7F8}
.tbl td{padding:10px 8px;border-bottom:1px solid var(--line);color:#2A2A2A;vertical-align:top}
/* seller / officer information: one column on phones so long labels never push the page wide */
.doc dl{display:grid;grid-template-columns:minmax(0,1fr);margin:16px 0 0;border-top:1px solid var(--ink)}
.doc dt,.doc dd{margin:0;font-size:15px;line-height:1.6;overflow-wrap:anywhere}
.doc dt{padding:11px 0 0;font-weight:700;color:var(--ink)}
.doc dd{padding:2px 0 11px;border-bottom:1px solid var(--line);color:#2A2A2A}

/* ---------- 404 ---------- */
.nf{max-width:760px;margin:0 auto;padding:clamp(72px,12vw,140px) var(--gutter);text-align:center}
.nf .code{margin:0;font-family:var(--f-en);font-stretch:125%;font-weight:900;font-size:clamp(64px,18vw,140px);line-height:.9;letter-spacing:-.01em}
.nf h1{margin:24px 0 0;font-size:22px;font-weight:800;line-height:1.4}
.nf p{margin:10px 0 0;font-size:16px;line-height:1.7;color:var(--gray)}
.nf .links{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:28px}
.nf .links .btn{padding:0 28px}
.nf-block+.nf-block{margin-top:48px;padding-top:48px;border-top:1px solid var(--line)}
.nf-block[hidden]+.nf-block{margin-top:0;padding-top:0;border-top:0}

/* ========== Desktop layout (768px and up) ========== */
@media (min-width:768px){
  :root{--gutter:clamp(20px,4.2vw,60px)}
  .br-d{display:inline}
  .br-m{display:none}
  .only-d{display:inline}
  .only-m{display:none !important}

  .site-header{background:rgba(255,255,255,.96)}
  .header-inner{max-width:1440px;margin:0 auto;height:auto;min-height:72px;gap:24px}
  .logo{font-size:20px}
  .site-footer .logo{font-size:18px}
  .header-right{gap:clamp(20px,3.4vw,48px);margin-right:0}
  .nav-links{display:flex;gap:clamp(20px,2.6vw,36px)}
  .nav-links a{display:inline-flex;align-items:center;min-height:44px;font-family:var(--f-en);font-stretch:125%;font-size:13px;font-weight:800;letter-spacing:.06em;color:var(--ink);text-decoration:none;white-space:nowrap}
  .header-right>.lang-switch{display:flex}
  .btn-get{min-height:44px;padding:0 22px;font-size:14px;letter-spacing:.06em}
  .menu-toggle,.mobile-menu{display:none !important}

  .btn{display:inline-flex;min-height:56px;padding:0 32px}
  .lang-en .btn{font-size:14px}
  .btn-outline{padding:0 28px}
  .btn-outline-light{min-height:56px;padding:0 24px}

  .hero{max-width:1440px;margin:0 auto;padding:clamp(48px,5.6vw,84px) var(--gutter) clamp(72px,7vw,112px)}
  .hero h1{font-size:clamp(26px,6.6vw,100px);line-height:.92}
  /* desktop: "THE HYPERTROPHY" sits on one line */
  .hero h1 .bj-l1,.hero h1 .bj-l2{display:inline-block;vertical-align:top}
  .hero h1 .bj-l1>span::after{content:"\00a0"}
  .bj-l2>span{animation-delay:100ms}
  .bj-l3>span{animation-delay:200ms}
  .bj-sub{animation-delay:340ms}
  .bj-desc{animation-delay:400ms}
  .bj-cta{animation-delay:480ms}
  .bj-sign{animation-delay:540ms}
  .hero-sub{margin:clamp(26px,2.6vw,36px) 0 0}
  .lang-ko .hero-sub{font-size:clamp(18px,1.6vw,23px)}
  .lang-en .hero-sub{font-size:clamp(14px,1.4vw,20px)}
  .hero-desc{font-size:17px;line-height:1.7}
  .lang-ko .hero-desc{margin:12px auto 0;max-width:30em}
  .lang-en .hero-desc{margin:14px auto 0;max-width:34em}
  .hero-cta{margin-top:32px}
  .hero-sign{margin:18px 0 0;font-size:12px}
  .hero-media{height:clamp(300px,38vw,560px);margin-top:clamp(44px,4.6vw,68px)}
  .dev-tablet{flex:0 0 31%;margin-top:clamp(30px,5.2vw,76px);padding:clamp(5px,.8vw,12px);border-radius:clamp(12px,1.8vw,26px)}
  .dev-tablet .screen{border-radius:clamp(7px,1vw,14px)}
  .dev-cover{flex:0 0 24%;margin:clamp(16px,2.6vw,38px) 0 0 -5%;box-shadow:0 28px 56px rgba(21,21,21,.16)}
  .dev-phone{flex:0 0 13.5%;margin:clamp(48px,8.2vw,120px) 0 0 -3.5%;padding:clamp(3px,.55vw,8px);border-radius:clamp(14px,2.3vw,34px)}
  .dev-phone .screen{border-radius:clamp(11px,1.8vw,26px)}

  .lang-ko .h2{font-size:clamp(34px,4.6vw,66px);line-height:1.12}
  .lang-en .h2{line-height:.88}
  .lang-en .about .h2{font-size:clamp(36px,4.6vw,66px)}
  .lang-en .inside .h2,.lang-en .reviews .h2,.lang-en .faq .h2{font-size:clamp(40px,5.6vw,84px)}
  .lead-side{font-size:17px}
  .head-row{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:20px 48px}
  .head-row .lead-side{margin:0 !important}
  .lang-ko .head-row .lead-side{max-width:25em}
  .lang-en .head-row .lead-side{max-width:24em}

  .about-inner{max-width:1440px;margin:0 auto;flex-direction:row;flex-wrap:wrap;gap:clamp(36px,4.4vw,64px);align-items:stretch;padding:clamp(80px,8vw,120px) var(--gutter)}
  .about-photo{order:0;flex:1 1 460px;min-width:0;align-self:flex-start;margin:0}
  .about-text{order:0;display:block;flex:1 1 520px;min-width:0}
  .about-lead{margin:28px 0 0;font-size:clamp(18px,1.5vw,21px)}
  .about-p{margin:16px 0 0;font-size:16px}
  .about-insta{margin:18px 0 0}
  .about-groups{order:0;flex:1 1 100%;min-width:0;display:flex;flex-wrap:wrap;gap:40px clamp(24px,3vw,40px);margin-top:0}
  .about-group{flex:1 1 520px;min-width:0}
  .about-group+.about-group{margin-top:0}
  .h3-rule{padding-top:14px}
  .lang-ko .h3-rule{font-size:17px}
  .lang-en .h3-rule{font-size:14px}
  .photo-pair{gap:12px;margin-top:16px}
  .photo-pair figcaption{margin-top:10px}
  .photo-pair .cap-t{font-size:15px}
  .photo-pair .cap-s{margin-top:4px;font-size:13px}

  .inside-wrap{max-width:1440px;margin:0 auto;padding:clamp(80px,8vw,120px) var(--gutter)}
  .inside-head,.inside-cta{padding:0}
  .cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:24px;margin-top:clamp(40px,4.4vw,56px);padding:0;overflow:visible;scroll-snap-type:none}
  .card{padding:14px 14px 26px}
  .card-media{aspect-ratio:16/10}
  .card h3{margin:20px 8px 0}
  .lang-ko .card h3{font-size:21px}
  .lang-en .card h3{font-size:22px;line-height:1.05}
  .card p.card-d{font-size:15px}
  .lang-ko .card p.card-d{margin:8px 8px 0}
  .lang-en .card p.card-d{margin:10px 8px 0}
  .dg{padding:18px 20px}
  .dg-split{gap:16px}
  .lang-ko .dg-label .k{font-size:13px}
  .lang-en .dg-label .k{font-size:11px}
  .dg-label .v{font-size:12px}
  .chips{gap:6px;margin-top:8px}
  .chip{gap:4px;height:44px;border-radius:9px}
  .chips.c3 .chip b{font-size:15px}
  .lang-ko .chips.c4 .chip b{font-size:13px}
  .lang-en .chips.c4 .chip b{font-size:12px;letter-spacing:.03em}
  .lang-ko .chip small{font-size:10px}
  .lang-en .chip small{font-size:9.5px;letter-spacing:.06em}
  .rows{gap:6px;margin-top:10px}
  .row{height:40px;padding:0 14px;border-radius:9px;font-size:14px}
  .lang-ko .row .t{font-size:13px}
  .lang-en .row .t{font-size:11px;letter-spacing:.05em}
  .inside-cta{flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px 20px}
  .lang-ko .inside-cta{margin-top:48px}
  .lang-en .inside-cta{margin-top:40px}
  .inside-cta .btn-outline{margin-top:0;order:0}
  .inside-cta .price{display:block;margin:0;font-family:var(--f-en);font-variant-numeric:tabular-nums;font-weight:700;font-size:18px;color:var(--ink)}

  .reviews-inner{max-width:1440px;margin:0 auto;padding:clamp(80px,8vw,120px) var(--gutter)}
  .review-box{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 32px;margin-top:clamp(32px,3.6vw,48px);padding:clamp(20px,2.4vw,30px) clamp(22px,2.8vw,40px)}
  .review-box .l{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px}
  .pill{height:30px;font-size:13px}
  .review-box .t{margin:0;font-size:18px;line-height:1.4}
  .review-box .more{margin-top:0;font-size:15px}

  .faq-inner{max-width:1440px;margin:0 auto;display:flex;flex-wrap:wrap;gap:clamp(28px,5vw,80px);padding:clamp(80px,8vw,120px) var(--gutter)}
  .faq-head{flex:1 1 300px;min-width:0}
  .faq-list{flex:2 1 620px;min-width:0;margin-top:0}
  .faq-q{gap:24px;padding:26px 0;font-size:18px}
  .faq-plus{width:20px;height:20px}
  .faq-a-inner p{padding:0 0 30px;max-width:46em;font-size:16px}

  .final-inner{max-width:1440px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:48px;padding:clamp(88px,9vw,140px) var(--gutter)}
  .lang-ko .final .h2{font-size:clamp(40px,6.4vw,92px);line-height:1.1}
  .lang-en .final .h2{font-size:clamp(44px,7.6vw,112px);line-height:.86}
  .buy{flex:0 1 420px;min-width:0;scroll-margin-top:96px}
  .buy-name{margin:0;font-size:26px}
  .buy-slogan{margin:14px 0 0;font-size:13px}
  .buy-list{margin:24px 0 0}
  .buy-list li{gap:16px;font-size:15px}
  .buy-row{flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 20px}
  .buy-row .price{margin:0;font-size:32px}
  .buy-actions{flex-direction:row;flex-wrap:wrap;gap:10px}
  .buy-actions .btn-light{order:2}
  .buy-actions .btn-outline-light{order:1;margin-top:0}
  .buy-note{margin:16px 0 0;font-size:13px}
  .refund{margin:14px 0 0;padding-top:14px;scroll-margin-top:96px;font-size:13px}
  .refund strong{font-size:14px}
  .buy-other{margin:8px 0 0;font-size:13px}

  .site-footer{padding:0}
  .footer-inner{max-width:1440px;margin:0 auto;padding:40px var(--gutter) 48px;display:grid;gap:20px}
  .footer-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px}
  .footer-nav{display:flex;flex-wrap:wrap;gap:0 24px;margin-top:0}
  .footer-nav a,.footer-nav button{display:inline-flex}
  .contact-panel{flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 32px;margin-top:0;padding:22px 28px}
  .contact-panel .c-text{display:block;min-width:0}
  .contact-panel .c-info{font-size:14px}
  .contact-panel .c-mail{font-size:20px}
  .lang-ko .contact-panel .c-mail{letter-spacing:-.01em}
  .contact-panel .c-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:0}
  .contact-panel .c-btn{display:inline-flex;min-height:44px;padding:0 20px}
  .contact-panel .c-status{margin:6px 0 0;min-height:20px;font-size:13px}
  .footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 24px;font-size:13px;line-height:1.6;color:var(--gray)}
  .biz{gap:4px 16px;margin:0;font-size:13px}
  .copyright{margin:0;font-size:13px}

  .buy-bar{display:none}

  .toc ol{columns:2;column-gap:40px}
  .doc section{scroll-margin-top:88px}
  .doc p,.doc ol,.doc ul{font-size:16px}
  .tbl table{font-size:14.5px}
  .tbl th,.tbl td{padding:11px 12px}
  .doc dl{grid-template-columns:max-content minmax(0,1fr);gap:0 24px}
  .doc dt,.doc dd{padding:11px 0;border-bottom:1px solid var(--line)}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .faq-a,.faq-a-inner p,.faq-plus,a{transition:none}
  .bj-head,.home .bj-head,.bj-hl>span,.bj-fade,.bj-media,.bj-media-in{animation:none}
}