:root{--ink:#f5f7fb;--muted:#aeb9ca;--line:rgba(255,255,255,.12);--cyan:#48ddff;--violet:#a878ff;--space:#02040a}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:transparent}
body{margin:0;min-width:280px;background:transparent;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Arial,sans-serif;line-height:1.5;overflow-x:hidden}
a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;-webkit-user-drag:none;user-select:none;-webkit-touch-callout:none}
.skip{position:fixed;left:12px;top:10px;z-index:100;padding:8px 12px;border-radius:8px;background:#fff;color:#000;transform:translateY(-160%)}.skip:focus{transform:none}

/* One universe, always present. No black section backgrounds. */
.universe-bg{position:fixed;inset:0;z-index:0;background-image:url('/assets/foldrone-universe-bg.webp');background-repeat:no-repeat;background-position:center 42%;background-size:cover;background-color:#02040a;transform:translateZ(0);will-change:transform}
.universe-vignette{position:fixed;inset:0;z-index:1;pointer-events:none;background:linear-gradient(180deg,rgba(0,2,8,.10),rgba(0,2,8,.015) 35%,rgba(0,2,8,.035) 70%,rgba(0,2,8,.12) 100%)}
.home-page main,.home-page footer,.legal-page{position:relative;z-index:2}

.header{position:fixed;z-index:80;top:0;left:0;right:0;height:76px;padding:0 clamp(18px,5vw,76px);display:flex;align-items:center;justify-content:space-between;background:linear-gradient(180deg,rgba(1,4,10,.76),rgba(1,4,10,.22));backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}
.brand img{width:clamp(122px,13vw,160px)}
.desktop-nav{display:flex;gap:28px;color:#b2bdcd;font-size:13px}.desktop-nav a:hover{color:#fff}
.menu-button{display:none;width:43px;height:43px;padding:6px;border:0;background:transparent;cursor:pointer}.menu-button span{display:block;height:1.5px;background:#edf2f9;margin:6px 0}
.mobile-menu{display:none}

.hero{min-height:100svh;position:relative;display:flex;align-items:center;padding:112px clamp(22px,7vw,110px) 80px;overflow:hidden}.hero-copy{width:min(680px,72vw);margin-top:5vh}.kicker,.story-kicker{margin:0 0 18px;color:#aab6c8;font-size:10px;letter-spacing:.34em;font-weight:800}.hero h1{margin:0;font-size:clamp(3.3rem,7.2vw,7.3rem);line-height:.89;letter-spacing:-.068em;font-weight:780;text-shadow:0 14px 50px rgba(0,0,0,.52)}
.hero h1 span,.story-start h2 span,.story-ecosystem h2 span{background:linear-gradient(100deg,#f7f9fc 3%,#54dfff 38%,#547cff 68%,#b977ff 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{max-width:600px;margin:27px 0 0;color:#d0d7e2;font-size:clamp(1rem,1.6vw,1.2rem);text-shadow:0 5px 24px rgba(0,0,0,.56)}
.hero-button{display:inline-flex;align-items:center;gap:16px;margin-top:28px;padding:14px 24px;border-radius:999px;background:#f5f7fb;color:#05070b;font-size:15px;font-weight:800;box-shadow:0 14px 42px rgba(0,0,0,.32)}.hero-button span{font-size:21px;line-height:0}

/* Story sections are transparent windows over the same universe. */
.universe-story{position:relative;display:flex;align-items:center;padding:clamp(88px,10vw,150px) clamp(22px,7vw,110px);background:transparent}
.story-inner{width:min(1160px,100%);margin:auto}
.story-start{min-height:clamp(570px,76svh,820px);text-align:center}.story-start .story-inner{max-width:1120px}.story-start .story-kicker{margin-bottom:clamp(42px,5vw,66px)}
.story-start h2{margin:0 auto;font-size:clamp(3.25rem,8vw,7.8rem);line-height:.9;letter-spacing:-.073em;font-weight:790;max-width:1080px;text-shadow:0 14px 50px rgba(0,0,0,.42)}
.story-start-message{margin:clamp(86px,10vw,150px) auto 0;max-width:980px}.story-start-message p{margin:0;color:#c0c9d7;font-size:clamp(1.05rem,2.25vw,1.65rem);line-height:1.48;text-shadow:0 5px 25px rgba(0,0,0,.55)}

.story-ecosystem{min-height:clamp(650px,86svh,930px);padding-top:clamp(100px,12vw,175px);padding-bottom:clamp(110px,13vw,190px)}.story-ecosystem .story-kicker{margin-bottom:clamp(48px,6vw,80px)}
.story-ecosystem h2{margin:0;font-size:clamp(3.2rem,7.3vw,7.4rem);line-height:.91;letter-spacing:-.073em;font-weight:790;text-shadow:0 14px 50px rgba(0,0,0,.42)}
.ecosystem-copy{margin-top:clamp(90px,11vw,155px);max-width:980px}.ecosystem-copy p{margin:0;max-width:900px;color:#d2d9e4;font-size:clamp(1.05rem,2vw,1.48rem);line-height:1.58;text-shadow:0 5px 24px rgba(0,0,0,.52)}

.products{position:relative;padding:clamp(85px,10vw,130px) clamp(18px,6vw,100px) 100px;background:transparent}.products-inner{max-width:1160px;margin:auto}.section-head{margin-bottom:28px}.section-head .story-kicker{margin-bottom:16px}.section-head h2{margin:0;font-size:clamp(2.7rem,6vw,5.6rem);line-height:.94;letter-spacing:-.065em}
.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.product-card{position:relative;min-height:290px;padding:22px;border:1px solid rgba(255,255,255,.14);border-radius:24px;overflow:hidden;background:linear-gradient(145deg,rgba(5,11,23,.62),rgba(3,7,15,.38));backdrop-filter:blur(13px);-webkit-backdrop-filter:blur(13px);display:flex;flex-direction:column;justify-content:flex-end;isolation:isolate;transition:transform .3s ease,border-color .3s ease,background .3s ease}.product-card:hover{transform:translateY(-4px);border-color:rgba(102,215,255,.34);background:linear-gradient(145deg,rgba(6,16,31,.72),rgba(3,7,15,.46))}.product-card:before{content:"";position:absolute;right:-15%;top:-42%;width:75%;aspect-ratio:1;border-radius:50%;filter:blur(65px);opacity:.18;z-index:-1}.play:before{background:#00d7ff}.studio:before{background:#a957ff}.workspace:before{background:#4d8fff}.workspace-logo{width:min(92%,430px);max-height:92px;object-position:left center}.horizon:before{background:linear-gradient(135deg,#45ddff,#a66cff)}
.card-meta{position:absolute;top:18px;left:22px;right:22px;display:flex;justify-content:space-between;gap:12px;color:#8794a7;font-size:9px;letter-spacing:.20em;font-weight:800;white-space:nowrap}.product-logo{width:min(88%,390px);max-height:74px;object-fit:contain;object-position:left center;margin:0 0 15px}.product-card p{margin:0 0 11px;color:#b2bdcd;font-size:13px;max-width:540px}.card-action{font-size:13px;font-weight:800}.card-action b{margin-left:6px}.muted{color:#7f8ca0}.symbol{font-size:5.2rem;line-height:.75;margin:0 0 18px;color:transparent;-webkit-text-stroke:1px rgba(76,161,255,.5)}.product-card h3{margin:0 0 5px;font-size:1.2rem}.horizon-mark{width:72px;height:72px;margin:0 0 22px;border:1px solid rgba(73,220,255,.42);border-radius:50%;position:relative;box-shadow:0 0 38px rgba(62,190,255,.12)}.horizon-mark:before,.horizon-mark:after{content:"";position:absolute;border:1px solid rgba(169,111,255,.45);border-radius:50%}.horizon-mark:before{inset:13px}.horizon-mark:after{inset:27px;background:linear-gradient(135deg,#52e0ff,#a56dff);border:0;box-shadow:0 0 22px rgba(83,220,255,.35)}

.footer{position:relative;padding:40px clamp(20px,6vw,100px) 22px;background:transparent;border-top:1px solid rgba(255,255,255,.09);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.footer-brand img{width:clamp(122px,13vw,160px)}.footer-columns{max-width:800px;margin:34px 0 30px auto;display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.footer-columns div{display:flex;flex-direction:column;gap:11px}.footer-columns strong{font-size:13px;color:#eef3fa}.footer-columns a{font-size:13px;color:#93a0b4}.footer-columns a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding-top:15px;color:#8190a5;font-size:11px}.footer-bottom a{color:inherit}.footer-bottom a:hover{color:#fff}

/* Space controls: back/home is top-right on internal pages; spacecraft appears only at page bottom. */
.space-control{position:fixed;z-index:100;width:46px;height:46px;border-radius:50%;border:1px solid rgba(160,213,255,.34);background:rgba(3,8,17,.58);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);display:grid;place-items:center;color:#e8f7ff;box-shadow:0 10px 30px rgba(0,0,0,.38),0 0 20px rgba(39,170,255,.10);cursor:pointer}.space-control svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.top-control{right:16px;bottom:18px;opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .25s,transform .25s}.top-control.visible{opacity:1;pointer-events:auto;transform:none}.space-control:hover{background:rgba(12,27,46,.86)}
.internal-back{position:fixed;z-index:101;top:15px;right:70px;width:43px;height:43px;border:1px solid rgba(160,213,255,.30);border-radius:10px;background:rgba(3,8,17,.48);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);display:grid;place-items:center;color:#e8f7ff;box-shadow:0 8px 24px rgba(0,0,0,.25)}.internal-back svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.internal-back:hover{background:rgba(12,27,46,.86)}
.home-page .internal-back{display:none}

/* Internal pages keep the same universe visible instead of switching to black. */
.legal-page{min-height:100svh;display:flex;flex-direction:column;background:transparent}.legal-main{width:min(920px,100%);margin:auto;padding:150px 28px 110px;flex:1}.legal-kicker{margin:0 0 22px;color:#aab6c8;font-size:10px;letter-spacing:.3em;font-weight:800}.legal-main h1{margin:0 0 30px;font-size:clamp(3.2rem,8vw,6.8rem);line-height:.9;letter-spacing:-.065em;text-shadow:0 14px 50px rgba(0,0,0,.45)}.legal-main h2{margin:42px 0 15px;font-size:clamp(1.35rem,3vw,2rem);letter-spacing:-.03em}.legal-main p{margin:0 0 20px;color:#c0c9d7;font-size:clamp(1rem,1.7vw,1.18rem);max-width:820px;text-shadow:0 5px 24px rgba(0,0,0,.55)}.legal-main a{color:#42dcff}.legal-footer{background:transparent}

/* Contact: simple, spacious, mobile-first. */
.contact-main{width:min(1120px,100%);margin:0 auto;min-height:100svh;padding:150px clamp(20px,6vw,72px) 90px;display:flex;align-items:center}.contact-shell{width:100%;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);align-items:center;gap:clamp(42px,7vw,100px)}.contact-intro .legal-kicker{margin-bottom:18px}.contact-intro h1{margin:0;font-size:clamp(3.7rem,7.5vw,7.2rem);line-height:.88;letter-spacing:-.07em;text-shadow:0 14px 50px rgba(0,0,0,.45)}.contact-intro h1 span{background:linear-gradient(100deg,#f5f7fb,#48dcff 42%,#9b70ff 88%);-webkit-background-clip:text;background-clip:text;color:transparent}.contact-lead{max-width:590px;margin:28px 0 0;color:#c0c9d7;font-size:clamp(1rem,1.8vw,1.25rem);line-height:1.55;text-shadow:0 5px 24px rgba(0,0,0,.55)}.contact-links{display:grid;gap:14px}.contact-card{min-height:148px;padding:24px;border-radius:22px;background:linear-gradient(145deg,rgba(6,15,29,.62),rgba(3,7,15,.38));border:1px solid rgba(255,255,255,.13);box-shadow:inset 0 1px rgba(255,255,255,.06),0 20px 55px rgba(0,0,0,.26);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);position:relative}.contact-index{position:absolute;top:20px;right:22px;color:#718096;font-size:9px;letter-spacing:.2em;font-weight:800}.contact-card-label{display:block;color:#8492a6;font-size:9px;letter-spacing:.24em;font-weight:800;margin-bottom:8px}.contact-card strong{font-size:clamp(1rem,2vw,1.28rem);font-weight:700;color:#f4f7fb;word-break:break-word}.contact-arrow{position:absolute;right:23px;bottom:20px;color:#45dfff;font-size:18px}


@media (min-width:901px){
 .universe-bg{background-size:100% auto;background-position:center top}
}
@media (max-width:900px){
 .desktop-nav{display:none}.menu-button{display:block}.mobile-menu.open{display:block;position:absolute;left:0;right:0;top:calc(100% + 1px);padding:14px 16px 18px;border:1px solid rgba(255,255,255,.13);border-radius:0 0 20px 20px;background:rgba(4,8,16,.82);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 24px 60px rgba(0,0,0,.48)}.mobile-menu>a,.mobile-menu-label{display:block;padding:12px 18px;color:#b7c0cf;font-size:16px}.mobile-menu-label{width:100%;border:0;background:transparent;text-align:left;color:#f0f4fa;padding-top:7px;cursor:pointer}.mobile-menu-label span{display:inline-block;width:12px;transition:transform .22s ease}.mobile-products.expanded .mobile-menu-label span{transform:rotate(90deg)}.mobile-product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 8px;max-height:0;overflow:hidden;opacity:0;padding:0 8px 0 28px;transition:max-height .28s ease,opacity .2s ease,padding .28s ease}.mobile-products.expanded .mobile-product-grid{max-height:180px;opacity:1;padding-bottom:10px}.mobile-product-grid a{padding:8px 6px;color:#aeb8c8;font-size:14px}.mobile-menu a:hover,.mobile-product-grid a:hover{color:#fff}
 .hero{padding:100px 24px 70px;align-items:flex-end}.hero-copy{width:min(680px,92vw);margin:0}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.contact-shell{grid-template-columns:1fr;gap:40px}.contact-intro h1{max-width:720px}
}
@media (max-width:620px){
 .header{height:64px;padding:0 17px}.brand img{width:121px}.universe-bg{background-position:center 38%;background-size:cover}.universe-vignette{background:linear-gradient(180deg,rgba(0,2,8,.08),rgba(0,2,8,.01) 35%,rgba(0,2,8,.025) 72%,rgba(0,2,8,.08) 100%)}
 .hero{min-height:88svh;padding:82px 18px 52px}.hero-copy{width:100%}.kicker{font-size:8px;letter-spacing:.28em;margin-bottom:13px}.hero h1{font-size:clamp(3rem,14vw,4.75rem);line-height:.89}.lead{font-size:.98rem;margin-top:18px;max-width:360px}.hero-button{margin-top:22px;padding:13px 21px}
 .story-start{min-height:640px;padding:82px 18px 94px}.story-start h2{font-size:clamp(3rem,13.8vw,4.85rem);line-height:.91}.story-start-message{margin-top:100px}.story-start-message p{font-size:1.03rem;line-height:1.52;max-width:350px;margin:auto}
 .story-ecosystem{min-height:760px;padding:84px 18px 98px}.story-ecosystem .story-kicker{margin-bottom:44px;font-size:.69rem}.story-ecosystem h2{font-size:clamp(3rem,13.5vw,4.8rem);line-height:.92}.ecosystem-copy{margin-top:88px}.ecosystem-copy p{font-size:1rem;line-height:1.56}
 .products{padding:66px 15px 76px;background:transparent}.section-head{margin-bottom:24px}.section-head h2{font-size:2.9rem}.product-grid{grid-template-columns:1fr;gap:12px}.product-card{min-height:260px;padding:21px;border-radius:21px}.card-meta{left:21px;right:21px}.product-logo{max-width:84%;max-height:64px}.horizon-mark{width:64px;height:64px}
 .footer{padding:34px 20px 20px;background:transparent}.footer-columns{margin:30px 0;grid-template-columns:repeat(2,1fr);gap:28px}.footer-bottom{font-size:10px}
 .internal-back{top:10px;right:67px;width:42px;height:42px}.top-control{right:13px;bottom:17px}.space-control{width:44px;height:44px}
 .legal-main{padding:124px 20px 90px}.legal-main h1{font-size:clamp(3.15rem,14vw,5.2rem)}.legal-main p{font-size:1rem}.contact-main{padding:118px 18px 72px;align-items:flex-start}.contact-shell{display:block}.contact-intro h1{font-size:clamp(3.2rem,15vw,5.1rem);line-height:.9}.contact-lead{margin-top:22px;font-size:1rem}.contact-links{margin-top:38px;gap:12px}.contact-card{min-height:132px;padding:22px;border-radius:20px}
}
@media (orientation:landscape) and (max-height:700px){.header{height:60px}.hero{min-height:100svh;padding:78px 5vw 48px}.hero-copy{width:min(58vw,650px)}.hero h1{font-size:clamp(2.7rem,7vw,5.3rem)}.story-start{min-height:620px}.story-ecosystem{min-height:700px}.product-card{min-height:250px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.product-card,.top-control,.mobile-product-grid,.mobile-menu-label span{transition:none!important}}