/* ===================== ExoPT Laboratories — styles ===================== */
:root{
  --ink:#060606; --ink2:#0c0b09; --ink3:#121110;
  --gold1:#fbf5c8; --gold2:#e7c46b; --gold3:#bf953f; --gold4:#8a6321; --gold-cta:#caa14e;
  --cream:#f3ecd9; --muted:#9d998c; --line:rgba(191,149,63,.18);
  --maxw:1180px; --r:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Jost',system-ui,sans-serif; color:#ece6d8; background:var(--ink);
  line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* honeycomb + grain background layer applied to dark sections */
.hero, .why, .catalog, .trace, .contact{
  position:relative;
  background:
    radial-gradient(120% 80% at 80% 0%, rgba(191,149,63,.10), transparent 50%),
    linear-gradient(180deg,var(--ink),var(--ink2));
}
.hero::before, .catalog::before, .trace::before{
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;z-index:0;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='56' height='96' viewBox='0 0 56 96'><g fill='none' stroke='%23bf953f' stroke-opacity='0.10' stroke-width='1'><path d='M28 0l24 14v28L28 56 4 42V14z'/><path d='M28 56l24 14v28'/><path d='M28 56L4 70v28'/></g></svg>");
}
.container, .hero-content, .hero-pillars{position:relative;z-index:2}

/* typography helpers */
.gold,.ag{
  background:linear-gradient(100deg,#bf8a32 0%,#ecc972 15%,#fff4c6 31%,#f8da7d 47%,#ffeaa8 60%,#e2b95b 78%,#bf8a32 100%);
  background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;font-style:normal;
  animation:goldShimmer 5s linear infinite;
}
@keyframes goldShimmer{to{background-position:-200% 0}}
.disp{font-family:'Bodoni Moda',serif;font-weight:700;line-height:1.05;font-size:clamp(30px,4.4vw,52px)}
.label{display:inline-flex;align-items:center;gap:11px;font-size:12.5px;letter-spacing:.24em;text-transform:uppercase;color:#e2c87d;font-weight:600;margin-bottom:18px}
.label::before,.label::after{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--gold3),transparent)}
.lead{color:#d3cdbe;max-width:62ch;font-size:17.5px;line-height:1.65}
.sec-head{text-align:center;max-width:740px;margin:0 auto 50px}
.sec-head .lead{margin:14px auto 0}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:'Jost';font-weight:500;font-size:14px;
  letter-spacing:.04em;padding:13px 26px;border-radius:9px;cursor:pointer;border:1px solid transparent;
  transition:transform .25s var(--ease), box-shadow .25s, background .25s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-gold{color:#1a1304;background:linear-gradient(135deg,var(--gold3),var(--gold1),var(--gold3));box-shadow:0 12px 26px -10px rgba(191,149,63,.6)}
.btn-ghost{color:#e7d9ad;border-color:rgba(191,149,63,.5);background:rgba(191,149,63,.05)}
.btn-ghost:hover{background:rgba(191,149,63,.12)}
.btn-wa{color:#06281c;background:linear-gradient(135deg,#25d366,#1ebd5a);box-shadow:0 10px 22px -10px rgba(37,211,102,.6)}
.btn-lg{padding:17px 38px;font-size:16px}

/* ===================== NAV ===================== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:.35s var(--ease);
  background:linear-gradient(180deg,rgba(6,6,6,.85),rgba(6,6,6,0));backdrop-filter:blur(2px)}
.nav.scrolled{background:rgba(8,7,6,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:24px;transition:.35s}
.nav.scrolled .nav-inner{padding:9px 24px}
/* logo oficial (imagen) */
.exo-logo{display:block;width:auto;height:auto}
.nav-logo{display:flex;align-items:center}
.nav-logo .exo-logo{height:48px;transition:.35s}
.nav.scrolled .nav-logo .exo-logo{height:38px}
.hero-logo{position:relative;display:inline-block}
.hero-logo .exo-logo{height:104px;filter:drop-shadow(0 4px 14px rgba(0,0,0,.5))}
.footer-logo{display:flex;justify-content:center}
.footer-logo .exo-logo{height:78px}
/* destello dorado dinámico que recorre el logo del hero */
.hero-logo::after{content:"";position:absolute;inset:0;pointer-events:none;mix-blend-mode:screen;
  -webkit-mask:url('../assets/img/logo.png?v=2') no-repeat center/contain;
          mask:url('../assets/img/logo.png?v=2') no-repeat center/contain;
  background:linear-gradient(110deg,transparent 38%,rgba(255,247,214,.65) 50%,transparent 62%);
  background-size:280% 100%;animation:logoSheen 6.5s ease-in-out infinite}
@keyframes logoSheen{0%{background-position:170% 0}55%,100%{background-position:-70% 0}}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:14px}
.nav-links a{color:#cfc9bb;letter-spacing:.02em;transition:.2s;position:relative}
.nav-links a:hover{color:var(--gold2)}
.nav-cta{padding:9px 20px;font-size:13px}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;margin-left:auto}
.nav-burger span{width:24px;height:2px;background:var(--gold2);transition:.3s}

/* ===================== HERO ===================== */
.hero{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;justify-content:center;
  align-items:center;text-align:center;padding:120px 24px 0}
.hero-logo{margin-bottom:20px}
.eyebrow{font-size:12px;letter-spacing:.4em;text-transform:uppercase;color:#dcc079;font-weight:500}

/* animated hero background */
.hero-bg{position:absolute;inset:0;z-index:1;overflow:hidden;pointer-events:none}
.aura{position:absolute;border-radius:50%}
.aura-1{width:640px;height:640px;left:50%;margin-left:-320px;top:10%;
  background:radial-gradient(circle,rgba(191,149,63,.5),transparent 62%);filter:blur(60px);animation:auraPulse 7s ease-in-out infinite}
.aura-2{width:400px;height:400px;left:10%;bottom:2%;
  background:radial-gradient(circle,rgba(191,149,63,.26),transparent 64%);filter:blur(70px);animation:auraPulse 9s ease-in-out infinite reverse}
@keyframes auraPulse{0%,100%{opacity:.3;transform:scale(1)}50%{opacity:.6;transform:scale(1.12)}}
.spark{position:absolute;width:4px;height:4px;border-radius:50%;background:#e7c46b;
  box-shadow:0 0 8px 2px rgba(231,196,107,.7);opacity:0;animation:floatSpark linear infinite}
.s1{left:20%;top:34%;animation-duration:9s}
.s2{left:76%;top:26%;animation-duration:11s;animation-delay:1.5s}
.s3{left:62%;top:62%;animation-duration:8s;animation-delay:.6s}
.s4{left:34%;top:70%;animation-duration:12s;animation-delay:2.2s}
.s5{left:86%;top:54%;animation-duration:10s;animation-delay:3s}
.s6{left:13%;top:56%;animation-duration:13s;animation-delay:1s}
@keyframes floatSpark{0%{opacity:0;transform:translateY(24px) scale(.6)}15%{opacity:.9}50%{opacity:.5}85%{opacity:.8}100%{opacity:0;transform:translateY(-70px) scale(1)}}

/* interactive hero vials */
.hero-vials-wrap{position:relative;width:min(900px,95vw);margin:14px auto 2px}
.hero-vials{width:100%;display:block;filter:drop-shadow(0 28px 38px rgba(0,0,0,.5))}
.hero-hotspots{position:absolute;inset:0}
.vial-hotspot{position:absolute;background:transparent;border:0;cursor:pointer;border-radius:12px;padding:0}
.vial-hotspot::after{content:"";position:absolute;inset:-5% -3%;border-radius:16px;
  background:radial-gradient(56% 68% at 50% 44%,color-mix(in srgb,var(--acc) 36%,transparent),transparent 72%);
  opacity:0;transition:opacity .28s}
.vial-hotspot:hover::after,.vial-hotspot:focus-visible::after{opacity:1}
.hero-hint{display:block;text-align:center;margin-top:8px;font-size:12px;letter-spacing:.12em;color:#8f8b7c;animation:hintPulse 2.8s ease-in-out infinite}
@keyframes hintPulse{0%,100%{opacity:.45}50%{opacity:.95}}
.vial-tip{position:fixed;z-index:130;pointer-events:none;transform:translate(-50%,-100%);opacity:0;
  transition:opacity .18s;background:rgba(10,9,8,.96);border:1px solid rgba(191,149,63,.45);border-radius:10px;
  padding:9px 14px;white-space:nowrap;box-shadow:0 16px 34px -12px #000}
.vial-tip.show{opacity:1}
.vial-tip b{font-family:'Cinzel',serif;font-size:14px}
.vial-tip span{color:#cbbf9d;font-size:12px;margin-left:3px}
.vial-tip em{display:block;font-style:normal;color:#8f8b7e;font-size:11.5px;margin-top:2px}
.vial-tip::after{content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);
  border:6px solid transparent;border-top-color:rgba(191,149,63,.45)}

/* hero stats + scroll cue */
.hero-stats{display:flex;align-items:center;justify-content:center;gap:24px;margin-top:22px;flex-wrap:wrap}
.hstat{display:flex;flex-direction:column;align-items:center}
.hs-num{font-family:'Bodoni Moda',serif;font-weight:800;font-size:clamp(28px,3.6vw,42px);line-height:1}
.hs-lab{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#9d998c;margin-top:5px}
.hs-div{width:1px;height:40px;background:linear-gradient(180deg,transparent,var(--line),transparent)}
.hero-scroll{display:flex;justify-content:center;align-items:flex-start;width:26px;height:42px;
  border:2px solid rgba(191,149,63,.5);border-radius:14px;margin:36px auto 0;padding-top:7px;position:relative;z-index:2}
.hero-scroll span{width:4px;height:8px;border-radius:2px;background:var(--gold2);animation:scrollDot 1.6s ease-in-out infinite}
@keyframes scrollDot{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(13px)}}
.hero-title{font-family:'Bodoni Moda',serif;font-weight:700;font-size:clamp(34px,6.4vw,76px);line-height:1}
.hero-title span{color:var(--cream)}
.hero-sub{margin-top:10px;color:#cbbf9d;font-size:clamp(14px,2vw,19px);letter-spacing:.02em}
.hero-sub strong{color:var(--gold2);font-weight:600}
.hero-ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.hero-pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:0;max-width:var(--maxw);width:100%;
  margin:64px auto 0;border-top:1px solid var(--line);padding-bottom:40px}
.hero-pillars > div{padding:22px 18px 0;border-left:1px solid var(--line);text-align:left}
.hero-pillars > div:first-child{border-left:0}
.hero-pillars h4{font-family:'Cinzel';font-size:13px;color:#e7d9ad;margin-bottom:5px}
.hero-pillars p{font-size:13px;color:var(--muted)}

/* ===================== WHY ===================== */
.why{padding:110px 0}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.why-card{background:linear-gradient(160deg,rgba(255,255,255,.02),transparent);border:1px solid var(--line);
  border-radius:var(--r);padding:28px 24px;transition:.35s var(--ease)}
.why-card:hover{transform:translateY(-6px);border-color:rgba(191,149,63,.45);box-shadow:0 24px 50px -28px #000}
.why-ic{display:block;width:42px;height:46px;margin-bottom:16px}
.why-ic svg{width:100%;height:100%}
.why-card h3{font-family:'Cinzel';font-size:17px;color:var(--cream);margin-bottom:9px;font-weight:600;line-height:1.2}
.why-card p{font-size:14.5px;color:#a8a395;line-height:1.5}
.purity{text-align:center;margin-top:60px}
.purity-num{font-family:'Bodoni Moda';font-weight:800;font-size:clamp(56px,11vw,120px);line-height:1}
.purity p{color:#bdb7a8;margin-top:6px}

/* ===================== CATALOG ===================== */
.catalog{padding:110px 0}
.filters{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:38px}
.filter{font-family:'Jost';font-size:13px;letter-spacing:.03em;padding:9px 18px;border-radius:99px;cursor:pointer;
  color:#cfc9bb;background:rgba(255,255,255,.03);border:1px solid var(--line);transition:.25s}
.filter:hover{color:var(--gold2)}
.filter.active{color:#1a1304;background:linear-gradient(135deg,var(--gold3),var(--gold1));border-color:transparent;font-weight:600}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{position:relative;border-radius:var(--r);overflow:hidden;background:#050505;border:1px solid var(--line);
  cursor:pointer;transition:transform .35s var(--ease),border-color .35s,box-shadow .35s;animation:fadeUp .5s both}
.card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--acc);opacity:0;transition:.35s}
.card:hover{transform:translateY(-8px);border-color:var(--acc);box-shadow:0 26px 54px -26px var(--acc),0 12px 30px -22px #000}
.card:hover::after{opacity:.95}
.card-img{position:relative;background:#050505;height:260px}
.card-img img{width:100%;height:100%;object-fit:contain;object-position:center}
.card-img::before{content:"";position:absolute;inset:0;opacity:0;transition:.4s;
  background:radial-gradient(70% 55% at 50% 38%,color-mix(in srgb,var(--acc) 26%,transparent),transparent 70%)}
.card:hover .card-img::before{opacity:1}
.card-meta{padding:16px 16px 20px;text-align:center}
.card-meta .nm{font-family:'Cinzel';font-weight:600;font-size:19px;color:var(--cream)}
.card-meta .dose{font-size:13px;color:var(--acc);filter:brightness(1.2);font-weight:500;margin-top:2px}
.card-acc{width:34px;height:2px;background:var(--acc);margin:11px auto;border-radius:2px}
.card-meta .tg{font-size:12.5px;color:var(--muted)}
.card-more{margin-top:12px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-cta);opacity:.7}

/* ===================== EVIDENCE ===================== */
.evidence{padding:110px 0;background:linear-gradient(180deg,var(--ink2),var(--ink))}
.evidence-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.evidence-text h2{margin-bottom:18px}
.evidence-list{list-style:none;margin:22px 0;display:flex;flex-direction:column;gap:12px}
.evidence-list li{padding-left:20px;position:relative;color:#bdb7a8;font-size:14.5px}
.evidence-list li::before{content:"◆";position:absolute;left:0;color:var(--gold3);font-size:10px;top:4px}
.coa-verify{display:flex;gap:28px;flex-wrap:wrap;margin-top:26px;border-top:1px solid var(--line);padding-top:22px}
.coa-verify span{display:block}
.coa-verify strong{font-size:20px;font-family:'Bodoni Moda'}
.evidence-coa img{border-radius:var(--r);border:1px solid var(--line);box-shadow:0 30px 70px -30px #000}
.evidence-coa figcaption{text-align:center;color:var(--muted);font-size:12.5px;margin-top:12px}

/* ===================== TRACE ===================== */
.trace{padding:110px 0}
.trace-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trace-step{border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;
  background:linear-gradient(160deg,rgba(255,255,255,.02),transparent);transition:.35s var(--ease)}
.trace-step:hover{transform:translateY(-6px);border-color:rgba(191,149,63,.4)}
.trace-n{font-family:'Bodoni Moda';font-weight:700;font-size:30px;color:var(--gold3)}
.trace-step h3{font-family:'Cinzel';font-size:15px;color:var(--cream);margin:8px 0 6px;font-weight:600}
.trace-step p{font-size:13.5px;color:var(--muted)}
.trace-lots{margin-top:56px;text-align:center}
.lots-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:18px}
.lots-grid img{border-radius:10px;border:1px solid var(--line);transition:.3s}
.lots-grid img:hover{transform:scale(1.04);border-color:rgba(191,149,63,.5)}

/* ===================== CONTACT ===================== */
.contact{padding:120px 0;text-align:center}
.contact-inner{max-width:740px;margin:0 auto}
.contact h2{margin:0 auto 18px}
.contact .btn{margin-top:30px}
.contact-note{margin-top:26px;color:var(--muted);font-size:13px}

/* ===================== FOOTER ===================== */
.footer{background:#040404;border-top:1px solid var(--line);padding:50px 0;text-align:center}
.footer-logo{display:flex;justify-content:center;margin-bottom:14px;opacity:.92}
.footer p{color:#cbbf9d;font-size:13px;letter-spacing:.06em}
.footer-legal{color:#6f6b61;font-size:12px;max-width:640px;margin:14px auto 0;line-height:1.6}

/* ===================== WHATSAPP FLOAT ===================== */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:90;width:58px;height:58px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:#fff;
  background:linear-gradient(135deg,#25d366,#1ebd5a);box-shadow:0 14px 30px -10px rgba(37,211,102,.7);
  transition:transform .3s var(--ease);animation:waPulse 2.6s infinite}
.wa-float:hover{transform:scale(1.08)}
@keyframes waPulse{0%,100%{box-shadow:0 14px 30px -10px rgba(37,211,102,.7)}50%{box-shadow:0 14px 40px -6px rgba(37,211,102,.9)}}

/* ===================== MODAL ===================== */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:24px}
.modal.open{display:flex}
.modal-overlay{position:absolute;inset:0;background:rgba(3,3,3,.78);backdrop-filter:blur(6px)}
.modal-card{position:relative;z-index:2;width:min(960px,100%);max-height:90vh;overflow:auto;
  background:linear-gradient(165deg,var(--ink3),var(--ink));border:1px solid rgba(191,149,63,.32);
  border-radius:18px;box-shadow:0 40px 90px -30px #000;animation:modalIn .35s var(--ease)}
@keyframes modalIn{from{opacity:0;transform:translateY(24px) scale(.98)}to{opacity:1;transform:none}}
.modal-x{position:absolute;top:14px;right:16px;z-index:5;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:rgba(0,0,0,.4);color:var(--gold2);font-size:22px;cursor:pointer;transition:.2s}
.modal-x:hover{background:rgba(191,149,63,.15);transform:rotate(90deg)}
.modal-body{display:grid;grid-template-columns:.85fr 1.15fr;gap:0}
.m-visual{position:relative;background:radial-gradient(80% 60% at 50% 40%,color-mix(in srgb,var(--acc) 22%,transparent),transparent 70%),#050505;
  display:flex;align-items:center;justify-content:center;padding:30px;border-right:1px solid var(--line)}
.m-visual img{max-height:420px;filter:drop-shadow(0 24px 26px rgba(0,0,0,.6))}
.m-info{padding:38px 36px}
.m-tag{font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--acc);filter:brightness(1.2);font-weight:500}
.m-name{font-family:'Bodoni Moda';font-weight:700;font-size:40px;line-height:1;margin:8px 0 2px;color:var(--cream)}
.m-dose{font-family:'Cinzel';color:var(--acc);filter:brightness(1.15);font-size:16px;margin-bottom:16px}
.m-intro{color:#bdb7a8;font-size:14.5px;margin-bottom:20px}
.m-block{margin-bottom:18px}
.m-block h4{font-family:'Cinzel';font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-cta);margin-bottom:10px}
.m-mech{color:#cfc9bb;font-size:14px;background:rgba(191,149,63,.06);border-left:2px solid var(--acc);padding:12px 14px;border-radius:0 8px 8px 0}
.m-benefits{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.m-benefit{border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.m-benefit b{display:block;color:var(--cream);font-size:13.5px;font-weight:600;margin-bottom:3px}
.m-benefit span{color:var(--muted);font-size:12.5px}
.m-apps{display:flex;flex-wrap:wrap;gap:8px}
.m-app{font-size:12px;color:#d8cfb6;border:1px solid var(--line);border-radius:99px;padding:6px 13px;background:rgba(255,255,255,.02)}
.m-cta{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.m-foot{margin-top:16px;color:#6f6b61;font-size:11.5px}

/* ===================== REVEAL ANIMATIONS ===================== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}
.reveal[data-d="5"]{transition-delay:.40s}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* ===================== RESPONSIVE ===================== */
@media(max-width:1024px){
  .why-grid,.cat-grid,.trace-steps{grid-template-columns:repeat(2,1fr)}
  .hero-pillars{grid-template-columns:repeat(2,1fr);gap:0 0}
  .hero-pillars > div:nth-child(3){border-left:0}
  .lots-grid{grid-template-columns:repeat(3,1fr)}
  .evidence-grid{grid-template-columns:1fr;gap:36px}
}
@media(max-width:720px){
  .nav-links,.nav-cta{display:none}
  .nav-links.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    background:rgba(8,7,6,.97);padding:18px 24px;gap:16px;border-bottom:1px solid var(--line)}
  .nav-burger{display:flex}
  .why-grid,.cat-grid,.trace-steps{grid-template-columns:1fr}
  .hero-pillars{grid-template-columns:1fr}
  .hero-pillars > div{border-left:0;border-top:1px solid var(--line)}
  .modal-body{grid-template-columns:1fr}
  .m-visual{border-right:0;border-bottom:1px solid var(--line);padding:24px}
  .m-visual img{max-height:280px}
  .m-info{padding:26px 22px}
  .m-benefits{grid-template-columns:1fr}
  .lots-grid{grid-template-columns:repeat(2,1fr)}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}