html{-webkit-text-size-adjust:100%}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}

/* Layout: running-magazine front page — centered masthead, category nav, lead story + ranked rail, sectioned card rows, full-bleed feature bands; article views use a reading column + related rail */
:root{
  --ink:#121A24; --paper:#FFFFFF; --wash:#F3F4F1; --line:#E2E4DE;
  --muted:#5E6873; --track:#C8402A; --track-deep:#8E2A1A; --band:#121A24; --band-fg:#F3F4F1;
  --f-display:"Black Han Sans","IBM Plex Sans KR",system-ui,sans-serif;
  --f-body:"IBM Plex Sans KR",system-ui,-apple-system,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --f-read:"Noto Serif KR","IBM Plex Sans KR",Georgia,serif;
  --f-kick:"Barlow Condensed","IBM Plex Sans KR",system-ui,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --ink:#E8EBEE; --paper:#0F151C; --wash:#161E27; --line:#26313D;
  --muted:#9AA5B0; --track:#E8664A; --track-deep:#F08A70; --band:#1B2531; --band-fg:#E8EBEE; color-scheme:dark}}
:root[data-theme="dark"]{
  --ink:#E8EBEE; --paper:#0F151C; --wash:#161E27; --line:#26313D;
  --muted:#9AA5B0; --track:#E8664A; --track-deep:#F08A70; --band:#1B2531; --band-fg:#E8EBEE; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.65;word-break:keep-all}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--track);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}

/* masthead */
.util{border-bottom:1px solid var(--line);font-size:12.5px;color:var(--muted)}
.util .wrap{display:flex;justify-content:space-between;gap:12px;padding-block:7px;flex-wrap:wrap}
.util nav{display:flex;gap:16px}
.util a:hover{color:var(--track)}
.mast{text-align:center;padding-block:22px 14px}
.mast a{display:inline-flex;flex-direction:column;align-items:center;gap:2px}
.mast .ko{font-family:var(--f-display);font-size:clamp(40px,7vw,64px);line-height:1;letter-spacing:1px}
.mast .en{font-family:var(--f-kick);font-weight:600;letter-spacing:6px;font-size:13px;color:var(--track);display:flex;align-items:center;gap:10px}
.mast .en::before,.mast .en::after{content:"";width:28px;height:2px;background:repeating-linear-gradient(90deg,var(--track) 0 6px,transparent 6px 9px)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--paper)}
.navbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--paper);border-top:3px solid var(--ink);border-bottom:1px solid var(--line)}
.navbar nav{overflow-x:auto;scrollbar-width:none}
.navbar nav::-webkit-scrollbar{display:none}
.navbar ul{display:flex;justify-content:center;gap:2px;list-style:none;margin:0;padding:0;white-space:nowrap;min-width:max-content;margin-inline:auto}
.navbar a{display:block;padding:12px 12px 10px;font-weight:700;font-size:14.5px;border-bottom:3px solid transparent}
.navbar a:hover{color:var(--track)}
.navbar a[aria-current="page"]{color:var(--track);border-bottom-color:var(--track)}

/* shared bits */
.kick{font-family:var(--f-kick);font-weight:700;font-size:13px;letter-spacing:1.6px;text-transform:uppercase;color:var(--track)}
.byline{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:4px 10px}
.byline b{color:var(--ink);font-weight:700}
.hl{font-family:var(--f-display);font-weight:400;line-height:1.22;text-wrap:balance;margin:0}
.dek{color:var(--muted);margin:0}
.secthead{display:flex;align-items:baseline;justify-content:space-between;gap:12px;border-top:3px solid var(--ink);padding-top:10px;margin:48px 0 18px}
.secthead h2{font-family:var(--f-kick);font-weight:700;font-size:24px;letter-spacing:1px;text-transform:uppercase;margin:0}
.secthead a{font-size:13.5px;font-weight:700;color:var(--track)}

/* photo slots: duotone track scenes until real photos are added */
.ph{position:relative;aspect-ratio:3/2;max-width:100%;overflow:hidden;background:var(--c1,#C8402A)}
.ph::before{content:"";position:absolute;inset:-20% -10%;background:
  radial-gradient(ellipse 120% 70% at 30% 120%,transparent 46%,rgba(255,255,255,.75) 46.3% 47%,transparent 47.3% 52%,rgba(255,255,255,.75) 52.3% 53%,transparent 53.3% 58%,rgba(255,255,255,.75) 58.3% 59%,transparent 59.3%),
  linear-gradient(160deg,var(--c1,#C8402A),var(--c2,#7E2416));transform:rotate(var(--rot,-6deg))}
.ph::after{content:attr(data-cap);position:absolute;left:10px;bottom:8px;font-family:var(--f-kick);font-weight:600;font-size:11.5px;letter-spacing:1.2px;color:rgba(255,255,255,.92);text-transform:uppercase;background:rgba(0,0,0,.28);padding:2px 7px;border-radius:2px}
.t-red{--c1:#D24A30;--c2:#7A2215}
.t-ink{--c1:#2B3B4E;--c2:#0E151E;--rot:8deg}
.t-dusk{--c1:#E0874E;--c2:#5B2D4A;--rot:-12deg}
.t-grass{--c1:#4E7A4E;--c2:#1F3A2A;--rot:4deg}
.t-sky{--c1:#5C8DB0;--c2:#203A55;--rot:-3deg}
.t-black{--c1:#2A2D31;--c2:#0B0C0E;--rot:10deg}
.ph.img{background:var(--wash)}
.ph.img::before,.ph.img::after{display:none}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.band .ph.img{aspect-ratio:4/5;width:min(100%,420px);justify-self:center}
.a-hero.tall{max-width:760px}.a-hero.tall .ph{aspect-ratio:4/3}
.a-hero.sq{max-width:560px}.a-hero.sq .ph{aspect-ratio:1}
.read figure{margin:6px 0 24px}.read figure .ph{aspect-ratio:3/2}.read figure.port{max-width:420px}.read figure.port .ph{aspect-ratio:4/5}
.read figcaption,.band figcaption{font-family:var(--f-body);font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.5}
.band figcaption{color:var(--band-fg);opacity:.6;text-align:center}

.card{display:flex;flex-direction:column;gap:8px;min-width:0}
.card .ph{margin-bottom:4px}
.card h3{font-size:18.5px;line-height:1.38;margin:0;font-weight:700;text-wrap:balance}
.card:hover h3{color:var(--track)}
.card p{margin:0;color:var(--muted);font-size:14.5px}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 24px}
.row4{display:grid;grid-template-columns:repeat(4,1fr);gap:28px 20px}

/* home lead */
.lead{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:32px;padding-block:28px 0}
.lead-story{display:flex;flex-direction:column;gap:10px}
.lead-story .ph{aspect-ratio:16/10}
.lead-story .hl{font-size:clamp(28px,4.2vw,44px)}
.lead-story .dek{font-size:17px;max-width:38em}
.lead-story:hover .hl{color:var(--track)}
.rail h2{font-family:var(--f-kick);font-weight:700;font-size:20px;letter-spacing:1px;text-transform:uppercase;margin:0 0 6px;border-bottom:3px solid var(--track);padding-bottom:6px}
.rail ol{list-style:none;counter-reset:r;margin:0;padding:0}
.rail li{counter-increment:r;display:grid;grid-template-columns:34px 1fr;gap:10px;padding-block:14px;border-bottom:1px solid var(--line)}
.rail li::before{content:counter(r);font-family:var(--f-kick);font-weight:700;font-size:30px;line-height:1;color:var(--track)}
.rail li a{font-weight:700;line-height:1.45;display:block}
.rail li a:hover{color:var(--track)}
.rail li span{display:block;margin-top:3px}

/* bands */
.band{background:var(--band);color:var(--band-fg);margin-top:56px}
.band .wrap{padding-block:44px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:36px;align-items:center}
.band .hl{font-size:clamp(26px,3.6vw,38px)}
.band p{opacity:.85;margin:10px 0 18px;max-width:34em}
.band .kick{color:#F08A70}
.btn{display:inline-block;padding:11px 20px;font-weight:700;font-size:14.5px;border-radius:2px;background:var(--track);color:#fff}
.btn:hover{background:var(--track-deep)}
.btn.line{background:transparent;border:1.5px solid currentColor;color:inherit}
.kakao{background:var(--wash);margin-top:56px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kakao .wrap{padding-block:36px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 32px}
.kakao .hl{font-size:clamp(22px,3vw,30px)}
.kakao p{margin:6px 0 0;color:var(--muted)}
.gear{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.gear .ph{aspect-ratio:1}
.gear .price{font-family:var(--f-kick);font-weight:600;font-size:14px;color:var(--muted);letter-spacing:.5px}

/* article */
.article{padding-block:32px 24px}
.a-head{max-width:820px;margin:0 auto;text-align:center;display:flex;flex-direction:column;gap:12px;align-items:center}
.a-head .hl{font-size:clamp(30px,5vw,50px)}
.a-head .dek{font-size:18px;max-width:34em}
.a-head .byline{justify-content:center;border-top:1px solid var(--line);padding-top:12px;width:100%}
.a-hero{max-width:1000px;margin:24px auto 0}
.a-hero .ph{aspect-ratio:21/9}
.a-hero figcaption{font-size:12.5px;color:var(--muted);margin-top:6px}
.a-body{display:grid;grid-template-columns:minmax(0,680px) minmax(0,260px);gap:56px;justify-content:center;margin-top:36px}
.read{font-family:var(--f-read);font-size:17.5px;line-height:1.9;min-width:0}
.read p{margin:0 0 18px}
.read h2{font-family:var(--f-body);font-size:23px;line-height:1.4;margin:40px 0 12px;text-wrap:balance}
.read h3{font-family:var(--f-body);font-size:18px;margin:0 0 4px}
.read strong{font-family:var(--f-body)}
.short{font-family:var(--f-body);border-top:3px solid var(--track);border-bottom:1px solid var(--line);padding:14px 0 16px;margin:0 0 28px;font-size:16px;line-height:1.7}
.short b{display:block;font-family:var(--f-kick);letter-spacing:1.5px;text-transform:uppercase;color:var(--track);font-size:13px;margin-bottom:4px}
.aside h2{font-family:var(--f-kick);font-weight:700;font-size:17px;letter-spacing:1px;text-transform:uppercase;border-top:3px solid var(--ink);padding-top:8px;margin:0 0 4px}
.aside a{display:grid;grid-template-columns:72px 1fr;gap:12px;padding-block:12px;border-bottom:1px solid var(--line);font-weight:700;font-size:14.5px;line-height:1.45;font-family:var(--f-body)}
.aside a:hover{color:var(--track)}
.aside .ph{aspect-ratio:1}
.aside .ph::after{display:none}
.aside{position:sticky;top:calc(env(safe-area-inset-top,0px) + 70px);align-self:start}

.inj{display:grid;gap:22px;font-family:var(--f-body);margin-bottom:12px}
.inj article{display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:start;padding-bottom:22px;border-bottom:1px solid var(--line)}
.inj .ph{aspect-ratio:1}
.inj .ph::after{display:none}
.inj p{margin:4px 0 6px;font-size:15.5px;line-height:1.7}
.inj dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:2px 12px;font-size:14.5px}
.inj dt{color:var(--muted)}
.inj dd{margin:0}

.tbl{overflow-x:auto;margin:6px 0 24px;font-family:var(--f-body)}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:15px;line-height:1.55}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{font-size:12.5px;color:var(--muted);font-weight:700;border-bottom:2px solid var(--ink);letter-spacing:.5px}
.num{font-family:var(--f-kick);font-weight:700;font-variant-numeric:tabular-nums;font-size:18px;white-space:nowrap;color:var(--track)}
ol.steps{list-style:none;counter-reset:s;padding:0;margin:0 0 24px;display:grid;gap:16px;font-family:var(--f-body)}
ol.steps li{counter-increment:s;display:grid;grid-template-columns:40px 1fr;gap:12px;font-size:15.5px;line-height:1.7}
ol.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--f-kick);font-weight:700;font-size:24px;line-height:1.1;color:var(--track)}
.warn{font-family:var(--f-body);background:var(--wash);border-left:4px solid var(--track);padding:14px 18px;font-size:15px;line-height:1.7;margin:28px 0}
.warn b{color:var(--track)}
.edit{font-family:var(--f-body);font-size:13px;color:var(--muted);border:1px dashed var(--line);padding:10px 14px;margin-top:24px}
details{border-bottom:1px solid var(--line);font-family:var(--f-body)}
details:first-of-type{border-top:1px solid var(--line)}
summary{cursor:pointer;padding:16px 0;font-weight:700;font-size:16.5px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--track);font-family:var(--f-kick);font-size:24px;line-height:1}
details[open] summary::after{content:"−"}
details p{margin:0;padding:0 0 18px;font-family:var(--f-read);font-size:16.5px;line-height:1.85}
.faqcat{font-family:var(--f-kick);font-weight:700;letter-spacing:1.5px;color:var(--track);text-transform:uppercase;font-size:15px;margin:32px 0 6px}
.prod{display:grid;grid-template-columns:200px 1fr;gap:22px;padding-bottom:24px;margin-bottom:24px;border-bottom:1px solid var(--line);font-family:var(--f-body)}
.prod .ph{aspect-ratio:1}
.prod h3{font-size:20px;margin:2px 0 6px}
.prod p{margin:0 0 14px;font-size:15.5px;line-height:1.7}
.facts{display:grid;grid-template-columns:auto 1fr;gap:10px 24px;font-family:var(--f-body);font-size:15px;border-top:2px solid var(--ink);padding-top:14px}
.facts dt{color:var(--muted)}
.facts dd{margin:0}
.todo{color:var(--track);font-weight:500}

footer{background:var(--band);color:var(--band-fg);margin-top:64px;font-size:13.5px}
footer .wrap{padding-block:36px 28px;display:grid;grid-template-columns:minmax(0,1.3fr) repeat(3,minmax(0,1fr));gap:28px}
footer .ko{font-family:var(--f-display);font-size:28px}
footer h4{font-family:var(--f-kick);letter-spacing:1.5px;text-transform:uppercase;margin:0 0 8px;font-size:14px;color:#F08A70}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:5px;opacity:.85}
footer a:hover{color:#F08A70}
footer .legal{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.15);padding-top:14px;opacity:.65;font-size:12.5px}

@media (max-width:900px){
  .lead,.band .wrap,.a-body{grid-template-columns:1fr}
  .aside{position:static}
  .row4{grid-template-columns:repeat(2,1fr)}
  footer .wrap{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .row3,.gear{grid-template-columns:1fr}
  .row4{grid-template-columns:1fr 1fr;gap:22px 14px}
  .row4 .card h3{font-size:16px}
  .navbar ul{justify-content:flex-start}
  .inj article{grid-template-columns:88px 1fr;gap:14px}
  .prod{grid-template-columns:110px 1fr;gap:14px}
  .a-hero .ph{aspect-ratio:16/10}
  .read{font-size:16.5px}
}
@media (prefers-reduced-motion:no-preference){section.view{animation:in .25s ease-out}@keyframes in{from{transform:translateY(6px)}to{transform:none}}}