/* OSYRA / Immersive Alpine direction, preview branch, 9 Oct 2026.
   Licensed photography is decorative; text and operational examples remain selectable HTML.
   Homepage only. Keep governance, evidence and reduced-motion behaviour intact. */
.alpine-route{background:#0b1b1f}
.alpine-route .site-header{
  position:absolute;inset:0 0 auto;z-index:60;
  background:transparent;border-bottom:1px solid rgba(248,247,239,.23);
  backdrop-filter:none;-webkit-backdrop-filter:none;color:#f8f7ef;
}
.alpine-route .header-inner{min-height:94px}
.alpine-route .wordmark{font-size:22px;line-height:1}
.alpine-route .wordmark .brand-wordmark-image{display:block;width:clamp(148px,13.5vw,202px);height:auto;max-height:64px;object-fit:contain;filter:brightness(0) invert(1)}
.alpine-route .desktop-nav>a,.alpine-route .header-cta{color:#f4f5f1}
.alpine-route .desktop-nav>a:hover,.alpine-route .desktop-nav>a[aria-current]{border-bottom-color:#e4d2ab}
.alpine-route .header-cta{border-color:rgba(249,246,236,.58);background:rgba(17,34,39,.13)}
.alpine-route .header-cta:hover{background:#f0e8d9;color:#14252a}
.alpine-route .menu-toggle{color:#fff}
.alpine-route .mobile-menu{color:#fff;background:rgba(14,35,40,.98);padding:18px 24px 24px}
.alpine-route .mobile-menu>a{color:#fff}
.alpine-scroll{position:relative;isolation:isolate;background:#152a2e;color:#f6f5ef;--alpine-shift:0px;--alpine-crossfade:0}
.alpine-landscape{
 position:sticky;inset:0 auto auto;top:0;height:100svh;margin-bottom:-100svh;
 overflow:hidden;pointer-events:none;z-index:-1;background:#152a2e;
}
.alpine-landscape__image{
 position:absolute;inset:-5%;width:110%;height:110%;background-repeat:no-repeat;
 background-size:cover;background-position:center 47%;
 transform:translate3d(0,var(--alpine-shift),0) scale(1.04);
 will-change:transform;backface-visibility:hidden;
}
.alpine-landscape__image--primary{background-image:url("/assets/osyra-alpine-fictional-hero.webp")}
.alpine-landscape__image--secondary{background-image:url("/assets/osyra-alpine-fictional-ridge.webp");opacity:var(--alpine-crossfade);background-position:center 53%}
.alpine-landscape__veil{position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(3,18,23,.78) 0%,rgba(7,24,29,.62) 32%,rgba(5,25,31,.21) 74%,rgba(5,18,22,.13) 100%),
  linear-gradient(0deg,rgba(4,19,25,.78) 0%,transparent 34%,rgba(5,24,29,.10) 70%,rgba(5,20,25,.23) 100%);
}
.alpine-landscape__grain{position:absolute;inset:0;opacity:.085;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' seed='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");mix-blend-mode:screen}
.alpine-scroll__content{position:relative;z-index:2}
.alpine-route .alpine-scroll .opening{padding-top:clamp(160px,22vh,250px);padding-bottom:clamp(42px,7vh,92px);min-height:100svh;background:transparent;border:0}
.alpine-route .alpine-scroll .opening-grid{grid-template-columns:minmax(0,1.14fr) minmax(300px,.65fr);align-items:end;gap:clamp(52px,8vw,138px)}
.alpine-route .opening-copy{padding-bottom:0}
.alpine-route .opening .hero-topline{font:600 11px/1.5 var(--sans);letter-spacing:.19em;text-transform:uppercase;color:#f4dcb1;margin:0 0 clamp(28px,4vw,52px)}
.alpine-route .opening .hero-topline:before{height:1px;background:#f4dcb1;width:62px}
.alpine-route .opening h1{
 font-family:"Iowan Old Style","Baskerville","Georgia",serif;
 font-size:clamp(64px,7.3vw,119px);font-weight:400;line-height:.97;
 letter-spacing:-.055em;color:#f7f7f1;max-width:none;text-wrap:initial;
 text-shadow:0 5px 44px rgba(0,0,0,.11);
}
.alpine-route .opening h1 em{color:#e6d0a6;font-weight:400;letter-spacing:-.061em}
.alpine-route .opening .hero-description{font-size:clamp(19px,1.75vw,26px);line-height:1.48;color:#f3f2ec;max-width:36rem;margin-top:clamp(34px,3vw,46px);font-weight:400}
.alpine-route .opening .opening-context{font-size:clamp(14px,1.02vw,17px);line-height:1.72;color:#d8e1dc;max-width:33rem;margin-top:19px}
.alpine-route .opening .hero-status{color:#cad5d0;font:400 11px/1.7 var(--sans);letter-spacing:.06em;max-width:35rem;margin:28px 0 0}
.alpine-route .opening .hero-actions{display:flex;flex-direction:row;align-items:center;flex-wrap:wrap;gap:24px;margin-top:35px}
.alpine-route .opening .hero-actions .button{min-width:0!important;min-height:57px;padding:14px 23px;background:#e9e4d9;color:#14272a;border:1px solid #e9e4d9;font-size:13px}
.alpine-route .opening .hero-actions .button:hover{background:#fff;color:#14272a;border-color:#fff}
.alpine-route .opening .hero-actions .text-link{color:#f4f3ec;min-height:52px;border-bottom-color:#e3c998;font-size:13px}
.alpine-route .opening .hero-actions .text-link:hover{color:#f3d6a8}
.alpine-route .opening .action-summary{background:transparent;border:0;border-left:1px solid rgba(242,241,231,.43);box-shadow:none;border-radius:0;padding:6px 0 4px clamp(26px,2.8vw,44px);align-self:end;color:#f9f7f0}
.alpine-route .opening .action-summary:before{display:none}
.alpine-route .opening .action-summary figcaption{font-size:12px;line-height:1.5;color:#e3e5de;border-bottom:1px solid rgba(245,244,236,.28);padding-bottom:16px}
.alpine-route .opening .action-summary figcaption span{color:#f5dba3}
.alpine-route .opening .summary-sequence{margin-top:6px}
.alpine-route .opening .summary-sequence li{padding:22px 4px 0 1px;display:block;background:transparent!important;border:0!important;border-radius:0!important;margin:0!important}
.alpine-route .opening .summary-sequence li:not(:last-child):after{display:none}
.alpine-route .opening .summary-sequence .summary-marker{width:20px;height:2px;border:0;border-radius:0;background:#c0c9c6;display:block;margin-bottom:11px}
.alpine-route .opening .summary-sequence .summary-marker--change{background:#dab57e}
.alpine-route .opening .summary-sequence h2{font-size:12px;font-weight:650;line-height:1.38;letter-spacing:.08em;color:#f5f6f0}
.alpine-route .opening .summary-sequence p{font-size:13px;color:#dce2df;line-height:1.58;margin-top:7px}
.alpine-route .opening .summary-note{font-size:11px;color:#d0d9d4;border-top:1px solid rgba(245,244,236,.25);margin-top:24px;padding-top:13px}
.alpine-route .opening .product-pillars{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(25px,4vw,62px);margin-top:clamp(80px,13vh,155px);padding-top:27px;border-top:1px solid rgba(247,246,238,.35)}
.alpine-route .opening .product-pillars>div{border:0;padding:0;max-width:18rem}
.alpine-route .opening .product-pillars>div:before{display:none}
.alpine-route .opening .product-pillars h2{font:500 11px/1.5 var(--sans);text-transform:uppercase;letter-spacing:.2em;color:#efdbb4}
.alpine-route .opening .product-pillars p{font-size:13px;line-height:1.6;color:#e3e8e4;margin-top:10px}
.alpine-route .opening .pillars-note{color:#ced5d0;font-size:11px;letter-spacing:.01em;margin-top:24px}
.alpine-chapter{display:flex;align-items:center;min-height:105svh;padding-block:clamp(110px,15vh,190px);position:relative}
.alpine-chapter:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 0%,rgba(5,23,28,.14) 17%,rgba(7,22,27,.55) 64%,rgba(5,21,26,.84) 100%);pointer-events:none}
.alpine-chapter--second:before{background:linear-gradient(180deg,rgba(5,21,26,.62),rgba(7,20,23,.86))}
.alpine-chapter__inner{position:relative;z-index:2;max-width:var(--shell)}
.alpine-chapter__inner--right{padding-left:clamp(10px,25vw,450px)}
.alpine-chapter__number{color:#ead5ad;font:600 11px/1.5 var(--sans);letter-spacing:.22em;text-transform:uppercase;margin-bottom:32px}
.alpine-chapter h2{font-family:"Iowan Old Style","Baskerville",Georgia,serif;font-weight:400;line-height:1.07;letter-spacing:-.045em;font-size:clamp(55px,6vw,100px);max-width:14ch;color:#f8f8f3}
.alpine-chapter h2 em{font-weight:400;color:#e4cfa7}
.alpine-chapter p:not(.alpine-chapter__number){font-size:clamp(17px,1.4vw,21px);line-height:1.6;max-width:43rem;color:#e4e9e5;margin-top:30px}
.alpine-chapter__rule{display:block;width:70px;height:1px;background:#dec695;margin-top:38px}
.alpine-chapter__link{display:inline-flex;gap:2rem;align-items:center;margin-top:35px;min-height:50px;font-size:13px;color:#fff;border-bottom:1px solid #e9d0a0;text-decoration:none}
.alpine-chapter__link:hover{color:#f5d7a6}
.alpine-route .outcomes{border-top:1px solid rgba(255,255,255,.17);background:#102b2e}
.alpine-route .audience-cards{gap:0;border-top:1px solid var(--line)}
.alpine-route .audience-cards>a{background:transparent!important;border:0;border-bottom:1px solid var(--line);padding:clamp(25px,3vw,43px) clamp(18px,3vw,45px) clamp(28px,3vw,45px) 0;border-radius:0}
.alpine-route .audience-cards>a:nth-child(odd){border-right:1px solid var(--line)}
.alpine-route .audience-cards>a:nth-child(even){padding-left:clamp(20px,3vw,45px)}
.alpine-route .audience-cards>a:hover{background:#f1f3ed!important}
.alpine-route .closing{border-top:1px solid rgba(255,255,255,.13)}
@media(max-width:1100px){
 .alpine-route .alpine-scroll .opening-grid{grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:35px}
 .alpine-route .opening h1{font-size:clamp(61px,7.4vw,91px)}
 .alpine-route .opening .action-summary{padding-left:24px}
}
@media(max-width:800px){
 .alpine-route .site-header{position:absolute}
 .alpine-route .header-inner{min-height:79px}
 .alpine-route .alpine-scroll .opening{padding-top:146px;padding-bottom:48px}
 .alpine-route .alpine-scroll .opening-grid{grid-template-columns:1fr;gap:65px}
 .alpine-route .opening h1{font-size:clamp(66px,11vw,95px)}
 .alpine-route .opening .hero-description{max-width:37rem}
 .alpine-route .opening .action-summary{max-width:100%;margin:0 0 0 5px}
 .alpine-route .opening .product-pillars{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:100px}
 .alpine-landscape__image{background-position:54% center}
 .alpine-landscape__veil{background:linear-gradient(90deg,rgba(5,20,26,.8),rgba(5,20,26,.37) 77%),linear-gradient(0deg,rgba(4,17,22,.80),transparent 60%)}
 .alpine-chapter__inner--right{padding-left:0}
 .alpine-chapter{min-height:85svh}
}
@media(max-width:520px){
 .alpine-route .header-inner{min-height:72px}
 .alpine-route .wordmark .brand-wordmark-image{width:148px}
 .alpine-route .opening .hero-topline{font-size:10px;letter-spacing:.12em}
 .alpine-route .opening h1{font-size:clamp(60px,13.9vw,77px)}
 .alpine-route .opening .hero-description{font-size:18px;line-height:1.46}
 .alpine-route .opening .opening-context{font-size:14px}
 .alpine-route .opening .hero-actions{align-items:flex-start;gap:12px 20px}
 .alpine-route .opening .hero-actions .button{min-height:55px}
 .alpine-route .opening .product-pillars{gap:34px 18px;margin-top:75px}
 .alpine-route .opening .product-pillars p{font-size:12px}
 .alpine-chapter h2{font-size:clamp(47px,12vw,66px)}
 .alpine-chapter p:not(.alpine-chapter__number){font-size:17px}
 .alpine-route .audience-cards{display:block}
 .alpine-route .audience-cards>a{border-right:0!important;border-bottom:1px solid var(--line);padding-left:0!important}
}
@media(prefers-reduced-motion:reduce){
 .alpine-landscape__image{transform:none!important;will-change:auto}
 .alpine-landscape__image--secondary{opacity:0!important}
}
html[data-motion=paused] .alpine-landscape__image{transform:none!important;will-change:auto}
html[data-motion=paused] .alpine-landscape__image--secondary{opacity:0!important}

/* The photograph must remain visible behind scroll chapters, not behind an opaque layer. */
.alpine-scroll .alpine-landscape{z-index:0}
.alpine-scroll .alpine-scroll__content{z-index:1}
.alpine-route .alpine-scroll .opening .action-summary{border-left-color:rgba(242,241,231,.32)}
.alpine-route .alpine-scroll .opening .product-pillars{border-top-color:rgba(247,246,238,.28)}


/* Phase 2: bring the entire homepage into one fictional Alpine art direction.
   Product and evidence copy stay live HTML; scenery stays decorative. */
body.alpine-route {
 --paper:#EEEBE5;
 --white:#FAF8F1;
 --soft:#E3E2D9;
 --ink:#1A2C2D;
 --body:#425052;
 --muted:#5D686A;
 --line:#C3C6C0;
 --green:#36564D;
 --gold:#AC8E5C;
 --night:#182A2E;
 --night-line:#65736D;
 --night-body:#D4DDD9;
 background:var(--paper);
 color:var(--ink);
}
.alpine-route .alpine-scroll {background:#101F27;}
.alpine-route .alpine-landscape{background:#101F27}
.alpine-route .alpine-landscape__veil {
 background:
 linear-gradient(90deg,rgba(7,19,28,.62) 0%,rgba(7,19,28,.40) 33%,rgba(8,20,28,.13) 73%,rgba(8,20,28,.12) 100%),
 linear-gradient(0deg,rgba(6,17,22,.75) 0%,transparent 40%,rgba(6,15,19,.15) 100%);
}
.alpine-route .alpine-chapter::before {
 background:linear-gradient(180deg,rgba(10,23,29,.06) 0%,rgba(10,23,29,.18) 48%,rgba(10,23,29,.81) 100%);
}
.alpine-route .alpine-chapter--second::before {
 background:linear-gradient(180deg,rgba(6,20,29,.42) 0%,rgba(5,20,28,.87) 100%);
}
.alpine-route .opening h1 em {color:#E9D6B7}
.alpine-route .alpine-scroll .opening .action-summary {border-left-color:rgba(255,255,255,.26)}
.alpine-route .alpine-scroll .opening .product-pillars {border-top-color:rgba(255,255,255,.24)}
.alpine-route .outcomes{
 min-height:95svh;
 border:0;
 background-color:#1D2A31;
 background-image:linear-gradient(90deg,rgba(11,25,31,.86) 0%,rgba(11,25,31,.72) 44%,rgba(11,25,31,.48) 100%),linear-gradient(0deg,rgba(11,25,31,.80) 0%,rgba(11,25,31,.05) 52%,rgba(11,25,31,.49) 100%),url('/assets/osyra-alpine-fictional-ridge.webp');
 background-position:center center;
 background-size:cover;
 padding-block:clamp(110px,12vw,200px);
}
.alpine-route .outcomes::before {display:none}
.alpine-route .outcomes-heading {display:block}
.alpine-route .outcomes-copy {max-width:850px}
.alpine-route .outcomes h2{
 font-family:"Iowan Old Style","Baskerville",Georgia,serif;
 font-size:clamp(54px,6.35vw,106px);
 font-weight:400;
 line-height:1.03;
 letter-spacing:-.052em;
 max-width:none;
}
.alpine-route .outcomes .eyebrow{color:#E0C79B}
.alpine-route .outcomes-copy>p:last-child{
 color:#DFE8E4;
 max-width:58ch;
 font-size:clamp(17px,1.45vw,21px);
 line-height:1.6;
}
.alpine-route .outcome-grid {
 grid-template-columns:repeat(3,minmax(0,1fr));
 gap:clamp(24px,3.5vw,66px);
 margin-top:clamp(70px,11vh,125px);
}
.alpine-route .outcome-grid article{
 border-top:1px solid rgba(241,240,229,.38);
 padding-top:26px;
 background:none;
}
.alpine-route .outcome-grid .outcome-marker{
 background:#D9B988;
 height:2px;
 margin-bottom:22px;
}
.alpine-route .outcome-grid h3{
 font-family:"Iowan Old Style","Baskerville",Georgia,serif;
 font-size:clamp(29px,2.8vw,44px);
 font-weight:400;
 color:#FAF8F3;
 max-width:16ch;
 line-height:1.2;
}
.alpine-route .outcome-grid p{color:#D8E1DD;font-size:15px;line-height:1.67}
.alpine-route .outcome-note{color:#C3D0CC;font-size:12px}
.alpine-route .outcomes .editorial-figure {display:none}
.alpine-route .audience-section{background:#E8E7DF}
.alpine-route .audience-section .audience-cards>a:hover{background:rgba(255,255,255,.38)!important}
.alpine-route .why-now{border-top:1px solid var(--line)}
.alpine-route .why-now h2,
.alpine-route .lifecycle-section h2,
.alpine-route .audience-section h2,
.alpine-route .resilience-section h2,
.alpine-route .evidence-section h2{
 font-family:"Iowan Old Style","Baskerville",Georgia,serif;
 font-weight:400;
 letter-spacing:-.035em;
}
.alpine-route .audience-cards h3,
.alpine-route .resilience-questions h3{
 font-family:"Iowan Old Style","Baskerville",Georgia,serif;
 font-weight:400;
}
.alpine-route .closing{background:#16292C}
.alpine-route .closing h2{
 font-family:"Iowan Old Style","Baskerville",Georgia,serif;
 letter-spacing:-.04em;
}
.alpine-route .evidence-section {background:#F2EFE8}
@media(max-width:800px){
 .alpine-route .outcomes{padding-block:105px;background-position:56% center}
 .alpine-route .outcome-grid{grid-template-columns:1fr;gap:25px}
 .alpine-route .outcome-grid article{display:block}
 .alpine-route .outcome-grid p{max-width:51ch}
 .alpine-route .outcome-grid h3{max-width:none}
 .alpine-route .outcomes h2{font-size:clamp(51px,9.5vw,75px)}
}
@media(max-width:520px){
 .alpine-route .alpine-landscape__veil{
 background:linear-gradient(90deg,rgba(6,19,26,.75),rgba(6,19,26,.34)),linear-gradient(0deg,rgba(6,19,26,.76),transparent 70%);
 }
 .alpine-route .outcomes{background-position:42% center}
 .alpine-route .outcome-grid h3{font-size:34px}
}


/* Let the landscape own the first viewport. Scenario evidence slides into view as a
   horizontal editorial field rather than a box competing with the mountain vista. */
@media(min-width:801px){
 .alpine-route .alpine-scroll .opening-grid{display:block;min-height:auto}
 .alpine-route .alpine-scroll .opening-copy{max-width:980px;padding-bottom:clamp(130px,18vh,260px)}
 .alpine-route .alpine-scroll .opening h1{font-size:clamp(76px,8vw,134px)}
 .alpine-route .alpine-scroll .opening .hero-description{max-width:780px}
 .alpine-route .alpine-scroll .opening .opening-context{max-width:660px}
 .alpine-route .alpine-scroll .opening .action-summary{
   max-width:none;display:block;border:0;border-top:1px solid rgba(245,245,236,.38);
   padding:23px 0 0;align-self:auto;background:transparent;
 }
 .alpine-route .opening .action-summary figcaption{max-width:100%;border-bottom:0;justify-content:flex-start;gap:20px}
 .alpine-route .opening .summary-sequence{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(25px,4vw,68px)}
 .alpine-route .opening .summary-sequence li{padding:24px 0 0!important}
 .alpine-route .opening .summary-sequence li p{max-width:36ch}
 .alpine-route .opening .summary-note{max-width:640px}
}
@media(max-width:800px){
 .alpine-route .alpine-scroll .opening .action-summary{border-left:0;border-top:1px solid rgba(245,245,236,.38);margin:0;padding:22px 0}
 .alpine-route .alpine-scroll .opening .hero-description{max-width:650px}
}

/* Mobile artwork was composed separately, not cropped from the desktop panorama. */
@media(max-width:800px){
 .alpine-route .alpine-landscape__image--primary{
   background-image:url('/assets/osyra-alpine-fictional-mobile.webp');
   background-position:center 45%;
 }
 .alpine-route .alpine-landscape__image--secondary{display:none}
}

/* Correct index contrast against mineral paper. */
.alpine-route .story-nav a>span:first-child{color:#465659}
.alpine-route .story-nav a[aria-current=step]>span:first-child{color:#36564d}
@media(max-width:520px){
 .alpine-route .alpine-scroll .opening{padding-top:125px}
 .alpine-route .opening h1{font-size:clamp(53px,13.4vw,73px);letter-spacing:-.045em}
 .alpine-route .opening .hero-topline{max-width:100%;letter-spacing:.09em}
 .alpine-route .opening .action-summary{margin-top:30px}
}

/* Keep the action link in the initial desktop viewport. */
@media(min-width:801px){
 .alpine-route .alpine-scroll .opening{padding-top:clamp(126px,16vh,180px);}
 .alpine-route .opening .hero-topline{margin-bottom:clamp(21px,3vw,36px);}
 .alpine-route .alpine-scroll .opening h1{font-size:clamp(70px,7.2vw,114px);}
 .alpine-route .opening .hero-description{margin-top:26px;font-size:clamp(18px,1.55vw,23px);}
 .alpine-route .opening .opening-context{margin-top:15px;}
 .alpine-route .opening .hero-actions{margin-top:24px;}
}
/* Short desktop viewports keep the principal action visible without sacrificing full-bleed photography. */
@media(min-width:801px) and (max-height:850px){
 .alpine-route .alpine-scroll .opening{padding-top:clamp(110px,16vh,150px)}
 .alpine-route .alpine-scroll .opening-copy{padding-bottom:clamp(85px,11vh,135px)}
 .alpine-route .alpine-scroll .opening h1{font-size:clamp(63px,6.65vw,105px);line-height:.97}
 .alpine-route .opening .hero-topline{margin-bottom:22px}
 .alpine-route .opening .hero-description{font-size:clamp(17px,1.45vw,21px);margin-top:22px;line-height:1.45}
 .alpine-route .opening .opening-context{font-size:15px;margin-top:12px;line-height:1.5}
 .alpine-route .opening .hero-actions{margin-top:20px}
 .alpine-route .opening .hero-status{margin-top:17px}
}