:root{--ink:#18302e;--ink-soft:#52615f;--pine:#173e39;--pine-dark:#102f2d;--cream:#f5f1e8;--paper:#fffdf8;--line:#dcd8ce;--orange:#d86f3d;--orange-dark:#b8532d;--green:#57a66c;--blue:#4f86c6;--red:#d85b4b;--black:#252b2b;--shadow:0 18px 60px #1a312e1f;--radius:20px;--safe-top:env(safe-area-inset-top,0px);color:var(--ink);background:var(--paper);font-synthesis:none;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--pine-dark)}body{background:var(--paper);min-width:320px;margin:0}body,button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit}img{max-width:100%;display:block}h1,h2,h3,p{margin-top:0}h1,h2{letter-spacing:-.035em;font-family:Iowan Old Style,Baskerville,Georgia,serif}button{color:inherit}.shell{width:min(1180px,100% - 40px);margin-inline:auto}.section{padding:104px 0}.section--dark{color:#fff;background:var(--pine-dark)}.eyebrow{color:var(--orange-dark);letter-spacing:.17em;text-transform:uppercase;margin-bottom:12px;font-size:.72rem;font-weight:700}.eyebrow--light{color:#efae86}.site-header{z-index:1000;padding-top:var(--safe-top);backdrop-filter:blur(16px);background:#fffdf8eb;border-bottom:1px solid #18302e14;position:sticky;top:0}.site-header__inner{grid-template-columns:44px 1fr auto;align-items:center;gap:14px;height:68px;display:grid}.brand-mark,.back-link{color:#fff;background:var(--pine);border-radius:50%;place-items:center;width:40px;height:40px;text-decoration:none;display:grid}.back-link{font-size:1.4rem}.brand{flex-direction:column;width:max-content;line-height:1;text-decoration:none;display:flex}.brand span{letter-spacing:.1em;font:700 1rem/1 Georgia,serif}.brand small{color:var(--ink-soft);letter-spacing:.12em;margin-top:5px;font-size:.58rem;font-weight:700}.header-progress{color:var(--ink-soft);align-items:baseline;gap:6px;text-decoration:none;display:flex}.header-progress strong{color:var(--pine);font-size:.95rem}.header-progress small{font-size:.7rem}.hero{color:#fff;background:var(--pine-dark);min-height:760px;position:relative;overflow:hidden}.hero__backdrop{background:linear-gradient(90deg,#09201ef0 0%,#0b2724cc 43%,#0b27242e 75%),url(/photos/flaine-circuit-4-rouge-les-grandes-platieres-1.webp) 50% 40%/cover;position:absolute;inset:0}.hero__backdrop:after{content:"";background:linear-gradient(#0000,#091f1db8);height:45%;position:absolute;inset:auto 0 0}.hero__content{padding-top:120px;position:relative}.hero h1{max-width:820px;margin-bottom:28px;font-size:clamp(4rem,8vw,7.4rem);line-height:.91}.hero h1 em{color:#f0aa80;font-weight:inherit}.hero__intro{color:#ffffffc7;max-width:590px;margin-bottom:36px;font-size:1.08rem;line-height:1.7}.button{cursor:pointer;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:10px;min-height:48px;padding:0 20px;font-weight:700;text-decoration:none;transition:transform .18s,background .18s,color .18s;display:inline-flex}.button:hover{transform:translateY(-2px)}.button--light{color:var(--pine);background:#fff}.button--primary{color:#fff;background:var(--pine)}.button--accent{color:#fff;background:var(--orange)}.button--outline{border-color:var(--pine);color:#fff;background:var(--pine)}.button--ghost{border-color:var(--line);background:0 0}.button--full{width:100%}.hero-stats{display:flex;position:absolute;bottom:40px;left:50%;transform:translate(-50%)}.hero-stats div{border-left:1px solid #ffffff38;min-width:150px;padding:0 36px}.hero-stats div:first-child{border:0;padding-left:0}.hero-stats strong,.hero-stats span{display:block}.hero-stats strong{font:600 2.1rem/1 Georgia,serif}.hero-stats span{color:#fff9;letter-spacing:.08em;text-transform:uppercase;margin-top:7px;font-size:.72rem}.explore{background:var(--cream)}.section-heading{grid-template-columns:1fr minmax(280px,430px);align-items:end;gap:50px;margin-bottom:52px;display:grid}.section-heading h2{margin:0;font-size:clamp(2.8rem,5vw,4.5rem)}.section-heading__copy{color:var(--ink-soft);margin:0;line-height:1.75}.section-heading--dark .section-heading__copy{color:#ffffffa8}.filter-bar{justify-content:space-between;align-items:center;gap:20px;margin-bottom:26px;display:flex}.segmented{background:#18302e14;border-radius:999px;padding:5px;display:inline-flex}.segmented button{min-height:42px;color:var(--ink-soft);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:0 18px;font-weight:700}.segmented button span{opacity:.55;margin-left:5px;font-size:.72rem}.segmented button.is-active{color:#fff;background:var(--pine)}.select-wrap{color:var(--ink-soft);text-transform:uppercase;letter-spacing:.08em;align-items:center;gap:10px;font-size:.75rem;font-weight:700;display:flex}.select-wrap select{border:1px solid var(--line);min-height:42px;color:var(--ink);background:var(--paper);border-radius:999px;padding:0 38px 0 14px}.results-line{color:var(--ink-soft);margin-bottom:20px;font-size:.8rem}.trail-grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.trail-card{border-radius:var(--radius);background:var(--paper);min-width:0;transition:transform .22s,box-shadow .22s;overflow:hidden;box-shadow:0 8px 34px #1e343114}.trail-card:hover{box-shadow:var(--shadow);transform:translateY(-5px)}.trail-card[hidden]{display:none}.trail-card__link{height:100%;text-decoration:none;display:block}.trail-card__media{background:#d4ddd5;height:218px;position:relative;overflow:hidden}.trail-card__media img{object-fit:cover;width:100%;height:100%;transition:transform .5s}.trail-card:hover .trail-card__media img{transform:scale(1.04)}.trail-card__fallback{color:#173e3980;place-items:center;height:100%;display:grid}.difficulty,.done-badge{color:#fff;letter-spacing:.07em;text-transform:uppercase;border-radius:999px;align-items:center;gap:5px;padding:6px 10px;font-size:.67rem;font-weight:800;display:inline-flex}.trail-card__media .difficulty{position:absolute;top:14px;left:14px}.difficulty--1{background:var(--green)}.difficulty--2{background:var(--blue)}.difficulty--3{background:var(--red)}.difficulty--4{background:var(--black)}.done-badge{background:var(--pine);position:absolute;bottom:14px;right:14px}.done-badge[hidden]{display:none}.trail-card__body{padding:24px 24px 20px}.trail-card h2{min-height:2.35em;margin-bottom:22px;font-size:1.6rem;line-height:1.15}.metrics{display:grid}.metrics--card{grid-template-columns:repeat(3,1fr);gap:10px}.metrics span{min-width:0}.metrics strong,.metrics small{display:block}.metrics strong{white-space:nowrap;font-size:.88rem}.metrics small{color:var(--ink-soft);text-transform:uppercase;margin-top:5px;font-size:.65rem}.trail-card__footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;margin-top:24px;padding-top:17px;display:flex}.attempt-summary{color:var(--ink-soft);font-size:.72rem}.circle-link{color:#fff;background:var(--pine);border-radius:50%;place-items:center;width:34px;height:34px;display:grid}.empty-state{text-align:center;color:var(--ink-soft);padding:50px}.overview-map{border-radius:var(--radius);height:580px;color:var(--ink);background:#e4e5dc;overflow:hidden}.map-loading{height:100%;color:var(--ink-soft);background:#e7e6dd;place-items:center;display:grid}.map-legend{color:#ffffffa3;justify-content:center;gap:22px;margin-top:22px;font-size:.72rem;display:flex}.map-legend span:before{content:"";vertical-align:middle;background:currentColor;border-radius:3px;width:24px;height:4px;margin-right:7px;display:inline-block}.legend-green{color:var(--green)}.legend-blue{color:var(--blue)}.legend-red{color:var(--red)}.legend-black{color:#aeb6b5}.map-popup{flex-direction:column;min-width:180px;text-decoration:none;display:flex}.map-popup small{color:var(--orange-dark);text-transform:uppercase;font-weight:700}.map-popup strong{margin:4px 0 7px}.map-popup span{color:var(--ink-soft);font-size:.75rem}.data-tools{background:var(--paper)}.data-tools__inner{grid-template-columns:1fr 1fr;align-items:center;gap:80px;display:grid}.data-tools h2{font-size:clamp(2.4rem,4vw,3.7rem)}.data-tools p{max-width:580px;color:var(--ink-soft);line-height:1.7}.data-tools__actions{gap:12px;display:grid}.data-tools__actions small{min-height:1.5em;color:var(--ink-soft);text-align:center}.site-footer{padding:54px 0 calc(54px + env(safe-area-inset-bottom,0px));color:#ffffffb8;background:var(--pine-dark)}.site-footer__inner{justify-content:space-between;gap:40px;display:flex}.site-footer p{margin:0;font-size:.75rem;line-height:1.65}.site-footer strong{color:#fff}.site-footer span{opacity:.66}.detail-hero{color:#fff;background:var(--pine);height:min(570px,66vh);min-height:420px;position:relative;overflow:hidden}.detail-hero__image,.detail-hero__shade{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.detail-hero__shade{background:linear-gradient(#0a1f1d1a,#0a1f1dd1)}.detail-hero__content{position:absolute;bottom:62px;left:50%;transform:translate(-50%)}.detail-hero__badges{align-items:center;gap:9px;margin-bottom:16px;display:flex}.detail-hero__badges>span:first-child{text-transform:uppercase;backdrop-filter:blur(10px);background:#ffffff2e;border-radius:999px;padding:6px 10px;font-size:.7rem;font-weight:700}.detail-hero h1{max-width:850px;margin-bottom:10px;font-size:clamp(3rem,7vw,6.4rem);line-height:.95}.detail-hero p{color:#ffffffb8;margin:0}.detail-body{padding-bottom:100px;position:relative}.key-metrics{z-index:2;border-radius:var(--radius);background:var(--paper);box-shadow:var(--shadow);grid-template-columns:repeat(4,1fr);margin:-30px 0 76px;display:grid;position:relative;overflow:hidden}.key-metrics>div{border-right:1px solid var(--line);grid-template-columns:30px 1fr;align-content:center;min-height:130px;padding:24px 28px;display:grid;position:relative}.key-metrics>div:last-child{border:0}.key-metrics svg{color:var(--orange);grid-row:1/3;align-self:center}.key-metrics strong{font:600 1.4rem/1.2 Georgia,serif}.key-metrics span{color:var(--ink-soft);text-transform:uppercase;letter-spacing:.08em;margin-top:5px;font-size:.67rem}.detail-grid{grid-template-columns:minmax(0,1fr) 330px;gap:70px;display:grid}.content-section{margin-bottom:82px}.content-section h2{margin-bottom:25px;font-size:clamp(2.2rem,4vw,3.4rem)}.prose{color:#43514f;font-size:1.03rem;line-height:1.85}.notice{border-left:4px solid var(--orange);background:#fbefe8;margin-top:28px;padding:20px 24px}.notice p{margin:6px 0 0}.content-section__heading{justify-content:space-between;align-items:end;gap:20px;display:flex}.content-section__heading>span{color:var(--ink-soft);margin-bottom:27px;font-size:.8rem}.text-link{color:var(--orange-dark);align-items:center;gap:7px;margin-bottom:27px;font-size:.8rem;font-weight:700;text-decoration:none;display:inline-flex}.trail-map{border-radius:var(--radius);background:#e4e5dc;height:500px;overflow:hidden}.elevation-profile{border:1px solid var(--line);border-radius:var(--radius);background:#faf7f0;min-height:260px;padding:10px}.elevation-profile svg{width:100%;height:auto;overflow:visible}.profile-grid line{stroke:#dcd8ce;stroke-width:1px;stroke-dasharray:4 6}.profile-labels text,.profile-grid text{fill:#71807d;font:12px system-ui,sans-serif}.profile-area{fill:url(#profile-fill)}.profile-line{fill:none;stroke:var(--orange);stroke-width:3px;stroke-linejoin:round}.gallery{grid-template-columns:1.3fr 1fr;grid-auto-rows:230px;gap:12px;display:grid}.gallery button{cursor:zoom-in;border:0;border-radius:14px;padding:0;overflow:hidden}.gallery button:first-child{grid-row:span 2}.gallery img{object-fit:cover;width:100%;height:100%;transition:transform .35s}.gallery button:hover img{transform:scale(1.03)}.detail-aside{flex-direction:column;gap:24px;display:flex}.action-card,.facts-card{border-radius:var(--radius);background:var(--cream);padding:28px}.action-card--coros{color:#fff;background:var(--pine)}.action-card__icon{width:48px;height:48px;color:var(--orange);background:#ffffff1f;border-radius:50%;place-items:center;margin-bottom:24px;display:grid}.action-card h2,.facts-card h2{margin-bottom:12px;font-size:1.8rem}.action-card>p:not(.eyebrow){color:var(--ink-soft);font-size:.84rem;line-height:1.65}.action-card--coros>p:not(.eyebrow){color:#ffffffad}.action-card .button{margin-top:10px;font-size:.82rem}.action-card--coros .button--ghost{color:#fff;border-color:#ffffff38}.action-card small{color:#ffffff9e;margin-top:10px;font-size:.7rem;line-height:1.5;display:block}.coros-steps{color:#ffffffdb;margin:14px 0 18px;padding-left:1.3rem;font-size:.8rem;line-height:1.7}.personal-summary{grid-template-columns:1fr 1fr;gap:10px;margin:20px 0;display:grid}.personal-summary div{background:var(--paper);border-radius:12px;padding:14px}.personal-summary strong,.personal-summary span{display:block}.personal-summary strong{font:600 1.3rem Georgia,serif}.personal-summary span{color:var(--ink-soft);margin-top:3px;font-size:.65rem}.personal-empty{color:var(--ink-soft);font-size:.8rem;line-height:1.5}.attempt-list{gap:8px;margin-top:18px;display:grid}.attempt-list article{border-top:1px solid var(--line);justify-content:space-between;gap:10px;padding:12px 0;font-size:.75rem;display:flex}.attempt-list strong,.attempt-list span{display:block}.attempt-list span{color:var(--ink-soft);margin-top:4px}.attempt-list p{color:var(--ink-soft);margin:8px 0 0}.attempt-list button{color:var(--ink-soft);cursor:pointer;background:0 0;border:0;align-self:start}.facts-card dl{margin:20px 0}.facts-card dl div{border-bottom:1px solid var(--line);justify-content:space-between;gap:18px;padding:11px 0;font-size:.78rem;display:flex}.facts-card dt{color:var(--ink-soft)}.facts-card dd{text-align:right;margin:0;font-weight:700}.facts-card small{color:var(--ink-soft);font-size:.68rem;line-height:1.5}dialog{border:0}.attempt-dialog{width:min(520px,100% - 24px);max-height:calc(100vh - 24px);color:var(--ink);background:var(--paper);box-shadow:var(--shadow);border-radius:22px;padding:0}.attempt-dialog::backdrop,.lightbox::backdrop{backdrop-filter:blur(5px);background:#081917c2}.attempt-form{gap:18px;padding:30px;display:grid}.dialog-heading{justify-content:space-between;display:flex}.dialog-heading h2{margin:0;font-size:2rem}.icon-button{background:var(--cream);cursor:pointer;border:0;border-radius:50%;place-items:center;width:40px;height:40px;display:grid}.attempt-form label,.attempt-form legend{color:var(--ink-soft);font-size:.72rem;font-weight:700}.attempt-form input,.attempt-form select,.attempt-form textarea{border:1px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:10px;margin-top:7px;padding:12px 13px}.form-row{grid-template-columns:1fr 1fr;gap:14px;display:grid}.attempt-form fieldset{border:0;padding:0}.effort-picker{grid-template-columns:repeat(5,1fr);gap:8px;margin-top:8px;display:grid}.effort-picker input{opacity:0;position:absolute}.effort-picker span{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:10px;place-items:center;height:44px;display:grid}.effort-picker input:checked+span{border-color:var(--orange);color:#fff;background:var(--orange)}.lightbox{background:0 0;width:min(1100px,100% - 24px);padding:0;position:relative}.lightbox img{object-fit:contain;width:100%;max-height:86vh}.lightbox button{z-index:2;color:#fff;cursor:pointer;background:#0009;border:0;border-radius:50%;place-items:center;width:42px;height:42px;display:grid;position:absolute;top:12px;right:12px}.leaflet-control-attribution{font-size:9px!important}@media (width<=900px){.trail-grid{grid-template-columns:repeat(2,1fr)}.detail-grid{grid-template-columns:1fr;gap:0}.detail-aside{grid-template-columns:1fr 1fr;display:grid}.facts-card{grid-column:1/-1}.key-metrics{grid-template-columns:repeat(2,1fr)}.key-metrics>div:nth-child(2){border-right:0}.key-metrics>div:nth-child(-n+2){border-bottom:1px solid var(--line)}}@media (width<=640px){.shell{width:min(100% - 28px,1180px)}.section{padding:72px 0}.site-header__inner{grid-template-columns:40px 1fr auto;gap:10px;height:62px}.header-progress small{display:none}.brand small{font-size:.5rem}.hero{min-height:calc(100svh - 62px)}.hero__backdrop{background-position:62%}.hero__content{padding-top:90px}.hero h1{font-size:clamp(3.65rem,18vw,5.2rem)}.hero__intro{max-width:90%;font-size:.96rem}.hero-stats{bottom:26px}.hero-stats div{min-width:auto;padding:0 18px}.hero-stats strong{font-size:1.65rem}.hero-stats span{font-size:.57rem}.section-heading{grid-template-columns:1fr;gap:18px;margin-bottom:36px}.section-heading h2{font-size:3rem}.filter-bar{flex-direction:column;align-items:stretch}.segmented{width:100%}.segmented button{flex:1;padding-inline:9px;font-size:.74rem}.select-wrap{justify-content:space-between}.trail-grid{grid-template-columns:1fr}.trail-card__media{height:238px}.trail-card h2{min-height:0}.overview-map{border-radius:0;height:480px;margin-inline:-14px}.map-legend{flex-wrap:wrap;gap:10px 16px}.data-tools__inner{grid-template-columns:1fr;gap:32px}.site-footer__inner{flex-direction:column}.detail-hero{height:63vh;min-height:440px}.detail-hero__content{bottom:38px}.detail-hero h1{font-size:clamp(3.2rem,15vw,5rem)}.key-metrics{margin-bottom:58px}.key-metrics>div{min-height:112px;padding:18px}.key-metrics strong{font-size:1.1rem}.content-section{margin-bottom:62px}.content-section h2{font-size:2.55rem}.trail-map{border-radius:0;height:430px;margin-inline:-14px}.content-section__heading>span{display:none}.detail-aside{display:flex}.action-card--coros{order:-2}.personal-card{order:-1}.gallery{grid-template-columns:1fr 1fr;grid-auto-rows:165px}.gallery button:first-child{grid-area:auto/1/auto/-1}.attempt-dialog{border-radius:22px 22px 0 0;width:100%;max-width:none;max-height:90vh;margin:auto 0 0}.attempt-form{padding:24px 20px calc(24px + env(safe-area-inset-bottom))}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}