/* ==========================================================================
   Laufform — Design System (berglauf-cup.ch)
   Laufsport · Trailrunning · Ausdauer · Sporternährung — de-CH
   Palette: Off-White #f5f5f3 · Tinte #17191d · Signalorange #ff5e2b · Slate #5b6470
   Fonts: Display 'Anton' · Body 'Onest'
   Prefix: lf-
   ========================================================================== */

/* --------------------------------------------------------------------------
   Self-hosted Fonts (RGPD/DSGVO — keine externen Requests, kein Google-CDN)
   Anton 400 · Onest 400–800 (variabel) · latin + latin-ext · font-display:swap
   -------------------------------------------------------------------------- */
@font-face{
  font-family:'Anton';font-style:normal;font-weight:400;font-display:swap;
  src:url('fonts/anton-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'Anton';font-style:normal;font-weight:400;font-display:swap;
  src:url('fonts/anton-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:'Onest';font-style:normal;font-weight:400 800;font-display:swap;
  src:url('fonts/onest-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'Onest';font-style:normal;font-weight:400 800;font-display:swap;
  src:url('fonts/onest-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

/* --------------------------------------------------------------------------
   Tokens
   -------------------------------------------------------------------------- */
:root{
  --lf-offwhite:#f5f5f3;
  --lf-tinte:#17191d;
  --lf-tinte-2:#22252b;
  --lf-orange:#ff5e2b;
  --lf-orange-dark:#e24a1b;
  --lf-slate:#5b6470;
  --lf-slate-2:#8a929c;
  --lf-line:#e2e2de;
  --lf-line-dark:#33373f;
  --lf-white:#ffffff;

  --lf-tip:#0f8a5f;
  --lf-tip-bg:#e8f6ef;
  --lf-warn:#c2410c;
  --lf-warn-bg:#fdeee6;

  --lf-font-display:'Anton',Impact,'Arial Narrow',sans-serif;
  --lf-font-body:'Onest',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;

  --lf-maxw:1180px;
  --lf-readw:760px;
  --lf-radius:14px;
  --lf-radius-sm:9px;
  --lf-shadow:0 10px 30px rgba(23,25,29,.10);
  --lf-shadow-sm:0 4px 14px rgba(23,25,29,.08);
  --lf-gap:clamp(1rem,3vw,2rem);
}

/* --------------------------------------------------------------------------
   Reset / backstop
   -------------------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html,body{overflow-x:hidden;max-width:100%}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--lf-font-body);
  font-size:1.0625rem;
  line-height:1.7;
  color:var(--lf-tinte);
  background:var(--lf-offwhite);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--lf-orange-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.08;margin:0 0 .5em;letter-spacing:.01em}
p{margin:0 0 1.1rem}
ul,ol{margin:0 0 1.2rem;padding-left:1.3rem}
li{margin:.35rem 0}
hr{border:0;border-top:1px solid var(--lf-line);margin:2.4rem 0}
:focus-visible{outline:3px solid var(--lf-orange);outline-offset:2px;border-radius:4px}

.lf-wrap{max-width:var(--lf-maxw);margin:0 auto;padding:0 clamp(1rem,4vw,2rem)}
.lf-read{max-width:var(--lf-readw);margin:0 auto;padding:0 clamp(1rem,4vw,1.5rem)}

/* --------------------------------------------------------------------------
   Reading progress bar (unique id: #lf-readbar)
   -------------------------------------------------------------------------- */
#lf-readbar{
  position:fixed;top:0;left:0;height:4px;width:0%;
  background:linear-gradient(90deg,var(--lf-orange),var(--lf-orange-dark));
  z-index:1200;transition:width .08s linear;
}

/* --------------------------------------------------------------------------
   Header / sticky nav
   -------------------------------------------------------------------------- */
.lf-header{
  position:sticky;top:0;z-index:1000;
  background:var(--lf-tinte);
  border-bottom:1px solid var(--lf-line-dark);
}
.lf-nav{
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;min-height:64px;
}
.lf-brand{
  display:inline-flex;align-items:baseline;gap:.2rem;
  font-family:var(--lf-font-display);
  font-size:1.6rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--lf-white);text-decoration:none;line-height:1;
}
.lf-brand span{color:var(--lf-orange)}
.lf-brand:hover{text-decoration:none}
.lf-navlinks{
  display:flex;align-items:center;gap:.35rem;list-style:none;margin:0;padding:0;
}
.lf-navlinks a{
  display:inline-block;color:#e7e8ea;font-weight:600;font-size:.95rem;
  padding:.5rem .7rem;border-radius:8px;letter-spacing:.01em;
}
.lf-navlinks a:hover{background:var(--lf-tinte-2);color:var(--lf-white);text-decoration:none}
.lf-navlinks a.is-active{color:var(--lf-orange)}
.lf-nav-cta{
  background:var(--lf-orange);color:var(--lf-tinte)!important;font-weight:700!important;
}
.lf-nav-cta:hover{background:var(--lf-orange-dark);color:var(--lf-white)!important}
.lf-burger{
  display:none;background:none;border:0;cursor:pointer;padding:.4rem;
  color:var(--lf-white);
}
.lf-burger svg{width:26px;height:26px;display:block}

@media(max-width:820px){
  .lf-burger{display:inline-flex}
  .lf-navlinks{
    position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--lf-tinte);border-bottom:1px solid var(--lf-line-dark);
    padding:.5rem 1rem 1rem;display:none;
  }
  .lf-navlinks.is-open{display:flex}
  .lf-navlinks a{padding:.8rem .6rem;border-radius:6px}
  .lf-nav-cta{margin-top:.4rem;text-align:center}
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.lf-hero{
  background:var(--lf-tinte);color:var(--lf-white);
  position:relative;overflow:hidden;
}
.lf-hero::after{
  content:"";position:absolute;right:-6%;top:-30%;width:52%;height:160%;
  background:radial-gradient(closest-side,rgba(255,94,43,.22),transparent 72%);
  transform:rotate(12deg);pointer-events:none;
}
.lf-hero-inner{
  position:relative;z-index:1;
  padding:clamp(2.6rem,7vw,5rem) 0 clamp(2.4rem,6vw,4.2rem);
}
.lf-kicker{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--lf-font-body);font-weight:700;
  font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--lf-orange);margin-bottom:1rem;
}
.lf-kicker::before{
  content:"";width:28px;height:3px;background:var(--lf-orange);display:inline-block;
}
.lf-hero h1{
  font-family:var(--lf-font-display);font-weight:400;
  font-size:clamp(2.6rem,8vw,5.2rem);
  line-height:.94;letter-spacing:.01em;text-transform:uppercase;
  margin:0 0 1rem;max-width:16ch;
}
.lf-hero h1 em{font-style:normal;color:var(--lf-orange)}
.lf-hero-lead{
  font-size:clamp(1.05rem,2.4vw,1.3rem);color:#cfd2d7;max-width:56ch;margin:0 0 1.8rem;
}
.lf-hero-actions{display:flex;flex-wrap:wrap;gap:.8rem}

/* Stat strip */
.lf-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--lf-line-dark);border-top:1px solid var(--lf-line-dark);
  margin-top:clamp(2rem,5vw,3.2rem);
}
.lf-stat{background:var(--lf-tinte);padding:1.4rem clamp(1rem,4vw,2rem)}
.lf-stat-num{
  font-family:var(--lf-font-display);font-size:clamp(2rem,6vw,3.2rem);
  color:var(--lf-orange);line-height:1;
}
.lf-stat-label{font-size:.82rem;letter-spacing:.05em;color:var(--lf-slate-2);text-transform:uppercase;margin-top:.3rem}
@media(max-width:560px){
  .lf-stats{grid-template-columns:1fr}
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.lf-btn{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--lf-font-body);font-weight:700;font-size:1rem;
  padding:.85rem 1.5rem;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:transform .12s ease,background .15s ease;
  text-decoration:none;letter-spacing:.01em;
}
.lf-btn:hover{text-decoration:none;transform:translateY(-2px)}
.lf-btn-primary{background:var(--lf-orange);color:var(--lf-tinte)}
.lf-btn-primary:hover{background:var(--lf-orange-dark);color:var(--lf-white)}
.lf-btn-ghost{background:transparent;color:var(--lf-white);border-color:#4a4f58}
.lf-btn-ghost:hover{border-color:var(--lf-orange);color:var(--lf-orange)}
.lf-btn-dark{background:var(--lf-tinte);color:var(--lf-white)}
.lf-btn-dark:hover{background:var(--lf-tinte-2);color:var(--lf-white)}
.lf-btn svg{width:18px;height:18px}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.lf-section{padding:clamp(2.8rem,7vw,5rem) 0}
.lf-section-dark{background:var(--lf-tinte);color:var(--lf-white)}
.lf-section-head{max-width:60ch;margin:0 0 clamp(1.6rem,4vw,2.6rem)}
.lf-eyebrow{
  font-weight:700;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--lf-orange);margin:0 0 .7rem;display:block;
}
.lf-section h2{
  font-family:var(--lf-font-display);font-weight:400;
  font-size:clamp(1.9rem,5vw,3rem);line-height:1;text-transform:uppercase;letter-spacing:.01em;
  margin:0 0 .6rem;
}
.lf-section-dark h2{color:var(--lf-white)}
.lf-section p.lf-lede{font-size:1.1rem;color:var(--lf-slate)}
.lf-section-dark p.lf-lede{color:#cfd2d7}

/* --------------------------------------------------------------------------
   Pillar push band
   -------------------------------------------------------------------------- */
.lf-pillar{
  background:var(--lf-tinte);color:var(--lf-white);border-radius:var(--lf-radius);
  overflow:hidden;position:relative;display:grid;grid-template-columns:1.3fr .9fr;
  box-shadow:var(--lf-shadow);
}
.lf-pillar::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(255,94,43,.14),transparent 55%);pointer-events:none;
}
.lf-pillar-body{position:relative;z-index:1;padding:clamp(1.8rem,4vw,3rem)}
.lf-pillar-body h2{font-family:var(--lf-font-display);font-weight:400;text-transform:uppercase;
  font-size:clamp(1.8rem,4.5vw,2.7rem);line-height:1;margin:.4rem 0 .8rem;color:var(--lf-white)}
.lf-pillar-body p{color:#cfd2d7;max-width:46ch}
.lf-pillar-aside{
  position:relative;z-index:1;background:var(--lf-tinte-2);
  border-left:1px solid var(--lf-line-dark);padding:clamp(1.5rem,3.5vw,2.4rem);
  display:flex;flex-direction:column;justify-content:center;gap:.8rem;
}
.lf-pillar-aside ul{list-style:none;padding:0;margin:0}
.lf-pillar-aside li{
  display:flex;gap:.6rem;align-items:flex-start;color:#e7e8ea;font-weight:500;
  padding:.55rem 0;border-bottom:1px solid var(--lf-line-dark);
}
.lf-pillar-aside li:last-child{border-bottom:0}
.lf-pillar-aside li::before{content:"→";color:var(--lf-orange);font-weight:700}
@media(max-width:760px){
  .lf-pillar{grid-template-columns:1fr}
  .lf-pillar-aside{border-left:0;border-top:1px solid var(--lf-line-dark)}
}

/* --------------------------------------------------------------------------
   Cards / grids
   -------------------------------------------------------------------------- */
.lf-grid{display:grid;gap:clamp(1rem,2.5vw,1.6rem)}
.lf-grid-3{grid-template-columns:repeat(3,1fr)}
.lf-grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:860px){.lf-grid-3{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.lf-grid-3,.lf-grid-2{grid-template-columns:1fr}}

.lf-card{
  background:var(--lf-white);border:1px solid var(--lf-line);border-radius:var(--lf-radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;
}
.lf-card:hover{transform:translateY(-4px);box-shadow:var(--lf-shadow);border-color:#d3d3ce}
.lf-card-media{
  aspect-ratio:16/10;background:var(--lf-tinte);position:relative;overflow:hidden;
}
.lf-card-media img{width:100%;height:100%;object-fit:cover}
.lf-card-num{
  position:absolute;left:14px;top:8px;font-family:var(--lf-font-display);
  font-size:2.6rem;color:rgba(255,255,255,.14);line-height:1;
}
.lf-card-body{padding:1.2rem 1.3rem 1.4rem;display:flex;flex-direction:column;flex:1}
.lf-chip{
  align-self:flex-start;font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--lf-orange-dark);background:var(--lf-warn-bg);
  padding:.28rem .6rem;border-radius:999px;margin-bottom:.7rem;
}
.lf-card h3{
  font-size:1.22rem;font-weight:800;line-height:1.15;margin:0 0 .5rem;letter-spacing:0;
}
.lf-card h3 a{color:var(--lf-tinte)}
.lf-card h3 a:hover{color:var(--lf-orange-dark);text-decoration:none}
.lf-card p{color:var(--lf-slate);font-size:.96rem;margin:0 0 1rem}
.lf-card-link{
  margin-top:auto;font-weight:700;color:var(--lf-orange-dark);display:inline-flex;gap:.35rem;align-items:center;
}
.lf-card-link:hover{text-decoration:none;gap:.55rem}

/* --------------------------------------------------------------------------
   Article body
   -------------------------------------------------------------------------- */
.lf-article{padding:clamp(1.6rem,4vw,2.6rem) 0 clamp(2.5rem,6vw,4rem)}
.lf-article h2{
  font-family:var(--lf-font-display);font-weight:400;text-transform:uppercase;letter-spacing:.01em;
  font-size:clamp(1.6rem,4vw,2.3rem);line-height:1.02;
  margin:2.4rem 0 .9rem;padding-top:.4rem;
}
.lf-article h3{
  font-size:1.28rem;font-weight:800;margin:1.8rem 0 .6rem;color:var(--lf-tinte);
}
.lf-article p,.lf-article li{font-size:1.075rem}
.lf-article-hero{background:var(--lf-tinte);color:var(--lf-white);padding:clamp(2rem,5vw,3.4rem) 0 clamp(1.6rem,4vw,2.4rem)}
.lf-article-hero h1{
  font-family:var(--lf-font-display);font-weight:400;text-transform:uppercase;
  font-size:clamp(2.1rem,6vw,3.8rem);line-height:.96;margin:.6rem 0 .8rem;
}
.lf-article-lead{font-size:clamp(1.05rem,2.2vw,1.25rem);color:#cfd2d7;max-width:60ch}

/* Byline */
.lf-byline{
  display:flex;align-items:center;gap:.75rem;margin-top:1.4rem;
  font-size:.9rem;color:#cfd2d7;flex-wrap:wrap;
}
.lf-byline-avatar{
  width:42px;height:42px;border-radius:50%;background:var(--lf-orange);flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--lf-font-display);color:var(--lf-tinte);font-size:1.1rem;
}
.lf-byline b{color:var(--lf-white);font-weight:700}
.lf-byline .lf-sep{color:#5b6470}
.lf-article .lf-byline{color:var(--lf-slate)}
.lf-article .lf-byline b{color:var(--lf-tinte)}

/* TOC */
.lf-toc{
  background:var(--lf-white);border:1px solid var(--lf-line);border-left:4px solid var(--lf-orange);
  border-radius:var(--lf-radius-sm);padding:1.2rem 1.4rem;margin:2rem 0;
}
.lf-toc strong{
  display:block;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--lf-slate);margin-bottom:.6rem;
}
.lf-toc ol{margin:0;padding-left:1.2rem;columns:2;column-gap:2rem}
.lf-toc li{margin:.3rem 0}
.lf-toc a{color:var(--lf-tinte);font-weight:600}
@media(max-width:560px){.lf-toc ol{columns:1}}

/* Intro box */
.lf-intro{
  background:var(--lf-white);border:1px solid var(--lf-line);border-radius:var(--lf-radius-sm);
  padding:1.3rem 1.5rem;margin:1.8rem 0;font-size:1.1rem;
}
.lf-intro p:last-child{margin-bottom:0}

/* Callouts */
.lf-callout{
  border-radius:var(--lf-radius-sm);padding:1.1rem 1.3rem 1.1rem 1.4rem;margin:1.8rem 0;
  border-left:4px solid;font-size:1rem;
}
.lf-callout p:last-child{margin-bottom:0}
.lf-callout b{display:block;font-weight:800;margin-bottom:.25rem;letter-spacing:.01em}
.lf-tip{background:var(--lf-tip-bg);border-color:var(--lf-tip)}
.lf-tip b{color:var(--lf-tip)}
.lf-warn{background:var(--lf-warn-bg);border-color:var(--lf-warn)}
.lf-warn b{color:var(--lf-warn)}

/* Table */
.lf-table-wrap{overflow-x:auto;margin:1.8rem 0;border:1px solid var(--lf-line);border-radius:var(--lf-radius-sm);-webkit-overflow-scrolling:touch}
.lf-table{border-collapse:collapse;width:100%;min-width:520px;font-size:.98rem}
.lf-table caption{text-align:left;font-size:.82rem;color:var(--lf-slate);padding:.7rem 1rem;caption-side:bottom}
.lf-table th,.lf-table td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--lf-line);vertical-align:top}
.lf-table thead th{background:var(--lf-tinte);color:var(--lf-white);font-weight:700;font-size:.82rem;letter-spacing:.05em;text-transform:uppercase}
.lf-table tbody tr:nth-child(even){background:#fafaf8}
.lf-table tbody tr:last-child td{border-bottom:0}

/* FAQ accordion */
.lf-faq{margin:2rem 0}
.lf-faq details{
  background:var(--lf-white);border:1px solid var(--lf-line);border-radius:var(--lf-radius-sm);
  margin-bottom:.7rem;overflow:hidden;
}
.lf-faq details[open]{border-color:#d3d3ce;box-shadow:var(--lf-shadow-sm)}
.lf-faq summary{
  cursor:pointer;padding:1rem 2.6rem 1rem 1.2rem;font-weight:700;font-size:1.05rem;
  list-style:none;position:relative;color:var(--lf-tinte);
}
.lf-faq summary::-webkit-details-marker{display:none}
.lf-faq summary::after{
  content:"+";position:absolute;right:1.1rem;top:50%;transform:translateY(-50%);
  font-family:var(--lf-font-display);color:var(--lf-orange);font-size:1.5rem;line-height:1;
}
.lf-faq details[open] summary::after{content:"–"}
.lf-faq-body{padding:0 1.2rem 1.1rem}
.lf-faq-body p:last-child{margin-bottom:0}

/* Bibliography */
.lf-biblio{margin:2.4rem 0 0;font-size:.92rem;color:var(--lf-slate)}
.lf-biblio h2{font-size:1.3rem}
.lf-biblio ol{padding-left:1.3rem}
.lf-biblio li{margin:.5rem 0}
.lf-biblio a{word-break:break-word}

/* Next-read */
.lf-next{
  background:var(--lf-white);border:1px solid var(--lf-line);border-radius:var(--lf-radius);
  padding:1.4rem 1.5rem;margin:2.4rem 0 0;
}
.lf-next strong{display:block;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--lf-slate);margin-bottom:.8rem}
.lf-next-list{display:grid;gap:.6rem}
.lf-next-list a{
  display:flex;justify-content:space-between;gap:1rem;align-items:center;
  padding:.8rem 1rem;background:var(--lf-offwhite);border-radius:var(--lf-radius-sm);
  color:var(--lf-tinte);font-weight:700;
}
.lf-next-list a:hover{background:#ecece8;text-decoration:none}
.lf-next-list a::after{content:"→";color:var(--lf-orange)}

/* Disclaimer */
.lf-disclaimer{
  font-size:.86rem;color:var(--lf-slate);background:#efefec;border-radius:var(--lf-radius-sm);
  padding:1rem 1.2rem;margin:2rem 0 0;line-height:1.6;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.lf-footer{background:var(--lf-tinte);color:#cfd2d7;padding:clamp(2.4rem,5vw,3.6rem) 0 2rem;margin-top:clamp(2.5rem,6vw,4rem)}
.lf-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem}
.lf-footer h4{
  font-family:var(--lf-font-body);font-weight:800;color:var(--lf-white);
  font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin:0 0 .9rem;
}
.lf-footer .lf-brand{font-size:1.5rem;margin-bottom:.8rem}
.lf-footer p{font-size:.94rem;max-width:38ch}
.lf-footer ul{list-style:none;padding:0;margin:0}
.lf-footer li{margin:.45rem 0}
.lf-footer a{color:#cfd2d7}
.lf-footer a:hover{color:var(--lf-orange);text-decoration:none}
.lf-footer-bottom{
  border-top:1px solid var(--lf-line-dark);margin-top:2.2rem;padding-top:1.4rem;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem;color:var(--lf-slate-2);
}
@media(max-width:760px){.lf-footer-grid{grid-template-columns:1fr;gap:1.6rem}}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.lf-mt-0{margin-top:0}
.lf-center{text-align:center}
.lf-visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* --------------------------------------------------------------------------
   Lauf-Rechner (interaktives Home-Modul)
   -------------------------------------------------------------------------- */
.lf-calc-grid{grid-template-columns:repeat(2,1fr)}
@media(max-width:820px){.lf-calc-grid{grid-template-columns:1fr}}

.lf-calc{
  background:var(--lf-white);border:1px solid var(--lf-line);border-radius:var(--lf-radius);
  padding:clamp(1.3rem,3vw,1.9rem);margin:0;display:flex;flex-direction:column;
  box-shadow:var(--lf-shadow-sm);
}
.lf-calc-accent{border-top:4px solid var(--lf-orange)}

.lf-calc-head{margin-bottom:1.2rem}
.lf-calc-head h3{
  font-size:1.3rem;font-weight:800;line-height:1.15;margin:.55rem 0 .4rem;color:var(--lf-tinte);
}
.lf-calc-head p{color:var(--lf-slate);font-size:.95rem;margin:0}
.lf-calc-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;
  background:var(--lf-tinte);color:var(--lf-orange);
  font-family:var(--lf-font-display);font-size:1.15rem;line-height:1;
}

.lf-calc-field{margin:0 0 1rem;border:0;padding:0;min-width:0}
.lf-time-field{margin-bottom:1rem}
.lf-calc-label{
  display:block;font-weight:700;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--lf-slate);margin:0 0 .4rem;padding:0;
}
.lf-calc-input{
  width:100%;font-family:var(--lf-font-body);font-size:1.05rem;font-weight:600;
  color:var(--lf-tinte);background:var(--lf-offwhite);
  border:1px solid var(--lf-line);border-radius:var(--lf-radius-sm);
  padding:.7rem .85rem;line-height:1.3;
  transition:border-color .15s ease,background .15s ease;
  -moz-appearance:textfield;appearance:textfield;
}
.lf-calc-input:focus{border-color:var(--lf-orange);background:var(--lf-white);outline:none}
.lf-calc-input:focus-visible{outline:3px solid var(--lf-orange);outline-offset:2px}
.lf-calc-select{
  cursor:pointer;-moz-appearance:none;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235b6470' stroke-width='2.4'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right .8rem center;background-size:18px;
  padding-right:2.4rem;
}

.lf-time-row{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem}
.lf-time-cell{display:block;position:relative;margin:0}
.lf-time-cell .lf-calc-input{text-align:center;padding-right:.5rem;padding-left:.5rem}
.lf-time-unit{
  display:block;text-align:center;font-size:.72rem;font-weight:700;letter-spacing:.05em;
  text-transform:uppercase;color:var(--lf-slate-2);margin-top:.3rem;
}

.lf-calc-out{
  margin-top:auto;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:.6rem;background:var(--lf-tinte);border-radius:var(--lf-radius-sm);
  padding:1.1rem 1.2rem;
}
.lf-calc-out-single{grid-template-columns:1fr;text-align:center}
.lf-calc-out-cell{display:flex;flex-direction:column;gap:.15rem;min-width:0}
.lf-calc-out-num{
  font-family:var(--lf-font-display);font-weight:400;color:var(--lf-orange);
  font-size:clamp(2.1rem,7vw,3rem);line-height:.95;letter-spacing:.01em;
  font-variant-numeric:tabular-nums;overflow-wrap:break-word;
}
.lf-calc-out-unit{
  font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--lf-slate-2);
}
.lf-calc-out-sep{width:1px;height:42px;background:var(--lf-line-dark);justify-self:center}

.lf-calc-hint,.lf-calc-factor{
  font-size:.86rem;color:var(--lf-slate);margin:.8rem 0 0;
}
.lf-calc-factor{font-weight:600}

.lf-calc-note{
  display:flex;gap:.55rem;align-items:flex-start;
  font-size:.9rem;color:var(--lf-tinte);
  background:var(--lf-tip-bg);border-radius:var(--lf-radius-sm);
  padding:.8rem .95rem;margin:1rem 0 0;line-height:1.5;
}
.lf-calc-note-ico{
  flex:0 0 auto;color:var(--lf-tip);font-weight:800;font-size:1rem;line-height:1.4;
}
.lf-calc-guide{margin-top:1rem}

@media(max-width:380px){
  .lf-calc{padding:1.1rem}
  .lf-time-row{gap:.4rem}
  .lf-calc-out{padding:1rem;gap:.4rem}
  .lf-calc-out-num{font-size:1.9rem}
}

/* ==========================================================================
   HOME PREMIUM — Erweiterungen (nur Startseite; scoped, keine Shared-Klassen
   verändert). Hero-Layout unter .lf-hero-home; Basis-.lf-hero bleibt intakt
   für blog.html & laufsport-ratgeber.html.
   ========================================================================== */

/* --- Hero: zweispaltig mit echtem Trail-Bild + Stat-Strip --- */
.lf-hero-home .lf-hero-inner{padding-bottom:clamp(2rem,5vw,3.4rem)}
.lf-hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:clamp(1.6rem,4vw,3.4rem);align-items:center;
}
.lf-hero-copy{min-width:0}
.lf-hero-copy .lf-hero-lead{margin-bottom:1.7rem}

.lf-hero-media{position:relative;margin:0;min-width:0}
.lf-hero-media img{
  width:100%;height:auto;display:block;position:relative;z-index:1;
  aspect-ratio:1200/628;object-fit:cover;
  border-radius:var(--lf-radius);
  box-shadow:0 26px 60px rgba(0,0,0,.46);
}
.lf-hero-media::before{
  content:"";position:absolute;z-index:0;right:-14px;bottom:-14px;
  width:60%;height:68%;border:2px solid var(--lf-orange);
  border-radius:var(--lf-radius);pointer-events:none;
}
.lf-hero-media figcaption{
  position:absolute;z-index:2;left:14px;bottom:14px;
  display:inline-flex;align-items:center;gap:.5rem;
  background:rgba(23,25,29,.74);color:#fff;
  font-size:.74rem;font-weight:600;letter-spacing:.04em;
  padding:.44rem .74rem;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
}
.lf-hero-media figcaption::before{
  content:"";width:8px;height:8px;border-radius:50%;
  background:var(--lf-orange);flex:0 0 auto;
}
@media(max-width:880px){
  .lf-hero-grid{grid-template-columns:1fr;gap:2rem}
  .lf-hero-media{order:2}
}
@media(max-width:560px){
  .lf-hero-media::before{display:none}
}

/* --- Vertrauensband (bandeau confiance) --- */
.lf-trust{
  background:var(--lf-white);
  border-top:1px solid var(--lf-line);border-bottom:1px solid var(--lf-line);
  padding:clamp(1.9rem,4.5vw,2.8rem) 0;
}
.lf-trustgrid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:clamp(1rem,2.5vw,1.9rem);
}
@media(max-width:860px){.lf-trustgrid{grid-template-columns:1fr 1fr}}
@media(max-width:460px){.lf-trustgrid{grid-template-columns:1fr}}
.lf-trust-item{display:flex;gap:.85rem;align-items:flex-start}
.lf-trust-ico{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;
  background:var(--lf-warn-bg);color:var(--lf-orange-dark);
  display:flex;align-items:center;justify-content:center;
}
.lf-trust-ico svg{width:22px;height:22px}
.lf-trust-item h3{font-size:1.02rem;font-weight:800;margin:.1rem 0 .25rem;color:var(--lf-tinte);line-height:1.2}
.lf-trust-item p{font-size:.9rem;color:var(--lf-slate);margin:0;line-height:1.55}

/* --- Ratgeber-Überblick: kompakte Guide-Zeilen mit Thumbnail --- */
.lf-guidelist{display:grid;grid-template-columns:1fr 1fr;gap:clamp(.8rem,2vw,1.2rem)}
@media(max-width:680px){.lf-guidelist{grid-template-columns:1fr}}
.lf-guide-row{
  display:grid;grid-template-columns:96px 1fr auto;gap:1rem;align-items:center;
  background:var(--lf-white);border:1px solid var(--lf-line);border-radius:var(--lf-radius-sm);
  padding:.7rem;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;
}
.lf-guide-row:hover{transform:translateY(-3px);box-shadow:var(--lf-shadow-sm);border-color:#d3d3ce}
.lf-guide-thumb{
  width:96px;height:70px;border-radius:8px;overflow:hidden;
  background:var(--lf-tinte);
}
.lf-guide-thumb img{width:100%;height:100%;object-fit:cover}
.lf-guide-txt{min-width:0}
.lf-guide-txt .lf-chip{margin-bottom:.3rem}
.lf-guide-txt h3{font-size:1.04rem;font-weight:800;line-height:1.2;margin:0}
.lf-guide-txt h3 a{color:var(--lf-tinte)}
.lf-guide-txt h3 a:hover{color:var(--lf-orange-dark);text-decoration:none}
.lf-guide-arrow{
  color:var(--lf-orange-dark);font-weight:700;font-size:1.15rem;
  padding-right:.3rem;transition:transform .15s ease;
}
.lf-guide-row:hover .lf-guide-arrow{transform:translateX(3px)}
@media(max-width:420px){
  .lf-guide-row{grid-template-columns:72px 1fr;gap:.8rem}
  .lf-guide-thumb{width:72px;height:58px}
  .lf-guide-arrow{display:none}
}

/* --- Karten: Bild-Zoom bei Hover (dezent) --- */
.lf-card-media img{transition:transform .4s ease}
.lf-card:hover .lf-card-media img{transform:scale(1.04)}

/* --- Rechner-Panel: dezente Rahmung als eigenständiges Modul --- */
.lf-rechner{background:linear-gradient(180deg,#eeeeeb 0%,var(--lf-offwhite) 60%)}

/* --------------------------------------------------------------------------
   Einblend-Animation (nur wenn JS aktiv: html.lf-anim). Ohne JS voll sichtbar.
   -------------------------------------------------------------------------- */
html.lf-anim .lf-reveal{
  opacity:0;transform:translateY(20px);
  transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1);
}
html.lf-anim .lf-reveal.is-visible{opacity:1;transform:none}
html.lf-anim .lf-reveal-2{transition-delay:.08s}
html.lf-anim .lf-reveal-3{transition-delay:.16s}
@media(prefers-reduced-motion:reduce){
  html.lf-anim .lf-reveal{opacity:1!important;transform:none!important;transition:none!important}
}

/* ===== reveal-fix (2026-07-08 v2): opacity TOUJOURS 1 (jamais caché), entrée transform-only sûre ===== */
@keyframes lfRevealFix{from{transform:translateY(18px)}to{transform:none}}
.lf-reveal{opacity:1!important;animation:lfRevealFix .6s ease both}
.lf-reveal-2{animation-delay:.08s}
.lf-reveal-3{animation-delay:.16s}
@media(prefers-reduced-motion:reduce){.lf-reveal{animation:none;transform:none!important}}

/* ===== icon-fix (2026-07-08): contraindre les SVG d'icônes ===== */
.lf-trust-ico{flex:none;display:inline-flex;align-items:center;justify-content:center}
.lf-trust-ico svg{width:32px;height:32px}
.lf-trust-item svg,.lf-feat svg,.lf-pillar svg{max-width:34px;max-height:34px}