@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500&family=Italiana&display=swap');
:root{--cream:#f4f0e8;--gold:#cba56d;--ink:#0a0a0b;--line:rgba(255,255,255,.22)}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--ink)}body{margin:0;color:#fff;background:var(--ink);font-family:'DM Sans',sans-serif;overflow-x:hidden}body.loading{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}
.loader{position:fixed;inset:0;z-index:1000;background:#0b0b0c;display:grid;place-content:center;gap:22px;text-align:center;transition:opacity .8s,visibility .8s}.loader.hidden{opacity:0;visibility:hidden}.loader-mark{font:4rem 'Italiana',serif}.loader span{font-size:.68rem;letter-spacing:.28em;text-transform:uppercase;color:#aaa}.loader-line{width:180px;height:1px;background:#333;overflow:hidden}.loader-line i{display:block;height:100%;width:0;background:var(--gold);animation:load 1.8s ease forwards}@keyframes load{to{width:100%}}
.topbar{position:fixed;z-index:50;top:0;left:0;width:100%;height:90px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(24px,5vw,80px);mix-blend-mode:difference}.brand{display:flex;align-items:center;gap:14px;font-size:.72rem;letter-spacing:.24em}.brand b{font:1.8rem 'Italiana',serif;border:1px solid #fff;width:44px;height:44px;display:grid;place-items:center}.topbar nav{display:flex;gap:34px;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase}.topbar nav a{position:relative}.topbar nav a:after{content:"";position:absolute;left:0;bottom:-7px;width:0;height:1px;background:#fff;transition:.35s}.topbar nav a:hover:after{width:100%}.counter{display:flex;align-items:center;gap:10px;font-size:.68rem}.counter i{width:42px;height:1px;background:#fff;opacity:.5}.progress{position:fixed;z-index:60;right:0;top:0;width:3px;height:100vh;background:rgba(255,255,255,.1)}.progress i{display:block;width:100%;height:0;background:var(--gold);box-shadow:0 0 14px var(--gold)}
.scene{position:relative;height:120vh;min-height:760px;overflow:hidden;isolation:isolate;background:transparent}.visual{visibility:hidden}.journey-stage{position:fixed;inset:0;z-index:0;overflow:hidden;background:#080809;pointer-events:none}.journey-layer{position:absolute;inset:-9%;background-size:cover;background-position:center;opacity:0;will-change:transform,opacity,filter;transform:scale(1.12);filter:blur(0);transition:opacity .12s linear}.journey-flare{position:absolute;inset:-20%;z-index:4;opacity:0;mix-blend-mode:screen;background:radial-gradient(circle at 50% 50%,rgba(255,229,178,.78),rgba(204,153,90,.18) 24%,transparent 58%);pointer-events:none;will-change:opacity,transform}.scene-transition{position:absolute;left:0;right:0;bottom:-1px;height:28vh;z-index:2;pointer-events:none;background:linear-gradient(to bottom,transparent,rgba(8,8,9,.12) 45%,rgba(255,225,176,.2) 74%,transparent);mix-blend-mode:screen;opacity:.45}.shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.72),rgba(0,0,0,.05) 58%,rgba(0,0,0,.2));z-index:1}.grain{position:absolute;inset:0;z-index:2;opacity:.12;pointer-events:none;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='.95' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E")}.copy{position:absolute;z-index:3}.hero-copy{left:clamp(24px,8vw,150px);top:32vh}.eyebrow{font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;margin:0 0 25px;color:#dfc69f}.hero h1,.copy h2,.final-copy h2{font:400 clamp(5rem,12vw,12rem)/.78 'Italiana',serif;letter-spacing:-.035em;margin:0}.copy h2,.final-copy h2{font-size:clamp(4rem,8vw,8.5rem);line-height:.9}.hero em,.copy em,.final-copy em{font-weight:400;color:var(--gold)}.lead{font:300 clamp(1rem,1.6vw,1.4rem)/1.5 'DM Sans',sans-serif;margin-top:40px;max-width:410px}.scroll{position:absolute;z-index:4;right:5vw;bottom:12vh;display:flex;align-items:center;gap:18px;text-transform:uppercase;letter-spacing:.22em;font-size:.65rem;transform:rotate(90deg);transform-origin:right}.scroll i{width:70px;height:1px;background:#fff}.side-copy{left:8vw;top:32vh;max-width:850px}.side-copy>p:last-of-type,.center-copy>p:last-of-type,.final-copy>p:last-of-type{font-size:clamp(1rem,1.35vw,1.25rem);line-height:1.7;max-width:540px;color:#d6d6d6}.ghost{margin-top:28px;padding:16px 0;border:0;border-bottom:1px solid var(--line);background:transparent;text-transform:uppercase;letter-spacing:.18em;font-size:.68rem;cursor:pointer}.ghost span{margin-left:30px}.stone-data{position:absolute;z-index:4;right:6vw;bottom:12vh;display:grid;grid-template-columns:auto auto;gap:9px 24px;padding:24px;border-left:1px solid var(--gold);background:rgba(0,0,0,.35);backdrop-filter:blur(10px)}.stone-data span{font-size:.62rem;text-transform:uppercase;letter-spacing:.15em;color:#aaa}.stone-data b{font-size:.72rem;font-weight:400}.jewel .shade{background:linear-gradient(180deg,rgba(23,12,4,.15),rgba(10,5,0,.58))}.center-copy{left:50%;top:21vh;transform:translateX(-50%);text-align:center;width:min(1000px,90vw)}.center-copy>p:last-of-type{margin:35px auto}.marble-tabs{position:absolute;z-index:4;left:50%;bottom:10vh;transform:translateX(-50%);display:flex;background:rgba(15,8,3,.58);backdrop-filter:blur(14px);padding:6px;border:1px solid rgba(255,255,255,.22)}.marble-tabs button{border:0;background:transparent;padding:14px 22px;font-size:.68rem;text-transform:uppercase;letter-spacing:.16em;cursor:pointer}.marble-tabs .active{background:#fff;color:#111}.finale{height:100vh;min-height:720px;position:relative;display:grid;place-items:center;overflow:hidden;background:radial-gradient(circle at 50% 45%,#3e352b 0,#171513 25%,#080809 65%)}.orb{position:absolute;left:50%;top:47%;width:min(48vw,680px);aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;overflow:hidden;box-shadow:0 0 100px rgba(203,165,109,.18)}.orb div{position:absolute;inset:-10%;background:url('assets/calacatta.png') center/cover;border-radius:50%;animation:orbit 18s ease-in-out infinite alternate;filter:brightness(.4) sepia(.2)}@keyframes orbit{from{transform:scale(1.05) rotate(-3deg)}to{transform:scale(1.18) rotate(4deg)}}.final-copy{position:relative;z-index:3;text-align:center;width:min(1100px,90vw)}.final-copy>p:last-of-type{margin:30px auto}.cta{display:inline-flex;align-items:center;gap:45px;margin-top:18px;padding:20px 26px;border:1px solid rgba(255,255,255,.55);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;transition:.35s}.cta:hover{background:#fff;color:#111}.finale footer{position:absolute;z-index:4;left:5vw;right:5vw;bottom:30px;display:flex;justify-content:space-between;font-size:.62rem;letter-spacing:.15em;text-transform:uppercase;color:#aaa}.reveal{opacity:0;transform:translateY(48px);transition:opacity 1.1s ease,transform 1.1s cubic-bezier(.2,.8,.2,1)}.reveal.visible{opacity:1;transform:translateY(0)}.center-copy.reveal{transform:translate(-50%,48px)}.center-copy.reveal.visible{transform:translate(-50%,0)}.marble-tabs.reveal{transform:translate(-50%,48px)}.marble-tabs.reveal.visible{transform:translate(-50%,0)}
@media(max-width:760px){.topbar{height:72px;padding:0 18px}.brand span,.topbar nav,.counter{display:none}.brand b{width:38px;height:38px}.scene{height:105vh;min-height:680px}.visual{inset:-6%;background-position:center}.hero-copy,.side-copy{left:24px;right:24px;top:29vh}.hero h1{font-size:clamp(4.5rem,23vw,7rem)}.copy h2,.final-copy h2{font-size:clamp(3.4rem,16vw,5rem)}.stone-data{right:20px;bottom:7vh}.center-copy{top:25vh}.marble-tabs{width:calc(100% - 32px);overflow:auto;justify-content:flex-start;bottom:5vh}.marble-tabs button{white-space:nowrap;padding:13px 16px}.finale footer{flex-direction:column;gap:8px}.orb{width:90vw}.scroll{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.visual,.reveal,.orb div{transform:none!important;animation:none!important;transition:none!important}.reveal{opacity:1}}

/* Transiciones cinematográficas entre materiales */
.scene{height:140vh;min-height:820px}
.journey-stage{perspective:1100px;transform-style:preserve-3d}
.journey-layer{transition:none}
.slab-flight{position:absolute;inset:0;z-index:20;transform-style:preserve-3d;pointer-events:none}
.flying-slab{position:absolute;left:50%;top:50%;width:clamp(180px,24vw,520px);height:clamp(290px,62vh,760px);border:1px solid rgba(255,255,255,.42);background-size:cover;background-position:center;box-shadow:-28px 38px 65px rgba(0,0,0,.46),inset 0 0 0 1px rgba(255,255,255,.2);opacity:0;backface-visibility:hidden;will-change:transform,opacity,filter}
.flying-slab:after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(255,255,255,.52),transparent 19%,transparent 70%,rgba(255,205,126,.28));mix-blend-mode:screen}
.journey-flare{z-index:24}
@media(max-width:760px){.scene{height:120vh}.flying-slab{width:45vw;height:56vh}}
@media(prefers-reduced-motion:reduce){.flying-slab{display:none}}