/* =========================================================
   ELAV S.A.C. — Concepto "Laboratorio Vivo"
   ========================================================= */

:root{
  --verde:        #7DC243;
  --verde-oscuro: #465840;
  --carbon:       #393A3C;
  --gris:         #6B716C;
  --gris-claro:   #F4F7F2;
  --blanco:       #FFFFFF;
  --linea:        #E4E9E1;

  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-body:    'Inter', sans-serif;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;

  --shadow-soft: 0 20px 45px -20px rgba(70,88,64,0.25);
  --ease: cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
html,body{ margin:0; padding:0; overflow-x:hidden; }

body{
  font-family: var(--font-body);
  color: var(--carbon);
  background: var(--blanco);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family:inherit; cursor:pointer; }
h1,h2,h3,h4,h5{ font-family: var(--font-display); color:var(--verde-oscuro); margin:0 0 .5em; line-height:1.15; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* ============ UTILITIES ============ */
.section{ padding:110px 0; position:relative; }
.section-inner{ max-width:1220px; margin:0 auto; padding:0 32px; }
.center{ text-align:center; }
.eyebrow{
  display:inline-block; font-family:var(--font-display); font-weight:700;
  font-size:.78rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--verde); margin-bottom:14px;
}
.eyebrow.center{ display:block; }
.section-sub{ max-width:640px; margin:0 auto 50px; color:var(--gris); font-size:1.05rem; }
h2{ font-size:clamp(1.8rem, 3.2vw, 2.6rem); }

.split{ display:grid; grid-template-columns:1fr 1fr; gap:70px; align-items:center; }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:15px 30px; border-radius:100px; font-weight:600; font-size:.95rem;
  border:2px solid transparent; transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .3s, color .3s;
  white-space:nowrap;
}
.btn-primary{ background:var(--verde-oscuro); color:#fff; }
.btn-primary:hover{ background:var(--verde); transform:translateY(-3px); box-shadow:var(--shadow-soft); }
.btn-ghost{ border-color:var(--verde-oscuro); color:var(--verde-oscuro); }
.btn-ghost:hover{ background:var(--verde-oscuro); color:#fff; transform:translateY(-3px); }
.btn-outline{ border-color:var(--linea); color:var(--verde-oscuro); background:transparent; width:100%; }
.btn-outline:hover{ border-color:var(--verde); background:var(--verde); color:#fff; }

.check-list{ margin:22px 0; }
.check-list li{ position:relative; padding-left:30px; margin-bottom:10px; color:var(--gris); }
.check-list li::before{
  content:"✓"; position:absolute; left:0; top:0; color:var(--verde); font-weight:800;
}

/* ============ PRELOADER ============ */
#preloader{
  position:fixed; inset:0; z-index:9999;
  background:radial-gradient(circle at 50% 42%, #EDF3E6 0%, #DCE6D2 55%, #CBDAC0 100%);
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
  transition:opacity .9s ease, visibility .9s ease;
}
#preloader.done{ opacity:0; visibility:hidden; pointer-events:none; }

#exploded-view{
  position:absolute; left:50%; top:50%; z-index:1;
  width:min(52vw, 300px);
  transform:translate(-50%,-50%) scale(1.06);
  opacity:0;
  filter:drop-shadow(0 20px 40px rgba(20,30,15,.18));
}
#exploded-view img{ width:100%; display:block; }

#assemble-stage{
  position:absolute; left:50%; top:50%;
  width:min(64vw, 460px); height:min(64vw, 460px);
  transform:translate(-50%,-50%);
  perspective:1400px;
  will-change:transform;
}
#assemble-stage .tile{
  position:absolute; overflow:hidden; background-repeat:no-repeat;
  box-shadow:0 1px 3px rgba(20,30,15,.04);
  backface-visibility:hidden;
}

#intro-logo{
  position:absolute; left:50%; top:50%; z-index:2; text-align:center;
  transform:translate(calc(-50% + 210px), -50%);
  opacity:0; width:min(80vw, 360px);
  pointer-events:none;
}
#intro-logo::before{
  content:""; position:absolute; inset:-70px -70px auto -70px; height:240px; border-radius:50%;
  background:radial-gradient(circle, rgba(125,194,67,.4), transparent 70%);
  opacity:0; transition:opacity .8s ease; z-index:-1;
}
#intro-logo.glow::before{ opacity:1; }

.logo-shine{ position:relative; display:inline-block; overflow:hidden; margin:0 auto 20px; }
.logo-shine img{ width:min(78vw,230px); display:block; position:relative; }
.logo-shine::after{
  content:""; position:absolute; top:-30%; left:-75%; width:55%; height:160%;
  background:linear-gradient(120deg, transparent 0%, rgba(255,255,255,.95) 50%, transparent 100%);
  transform:skewX(-18deg); opacity:0; pointer-events:none;
}
.logo-shine.play::after{ animation:shineSweep 1.2s ease-in-out; }
@keyframes shineSweep{
  0%{ left:-75%; opacity:0; }
  18%{ opacity:1; }
  62%{ opacity:1; }
  100%{ left:130%; opacity:0; }
}

.tagline-wrap{ position:relative; display:inline-block; overflow:hidden; }
.tagline-wrap::after{
  content:""; position:absolute; top:0; left:-60%; width:38%; height:100%;
  background:linear-gradient(100deg, transparent, rgba(255,255,255,.95), transparent);
  mix-blend-mode:overlay; opacity:0; transform:skewX(-15deg); pointer-events:none;
}
.tagline-wrap.play::after{ animation:shineSweepText 1.5s ease-in-out; }
@keyframes shineSweepText{
  0%{ left:-60%; opacity:0; }
  16%{ opacity:1; }
  60%{ opacity:1; }
  100%{ left:130%; opacity:0; }
}
#intro-tagline{ font-family:var(--font-display); font-weight:600; color:var(--verde-oscuro); letter-spacing:.02em; font-size:1rem; margin:0; }

#skip-intro{
  position:absolute; bottom:28px; right:28px; z-index:3; background:none; border:none;
  color:var(--gris); font-size:.85rem; font-family:var(--font-body); cursor:pointer;
}
#skip-intro:hover{ color:var(--verde-oscuro); }

@media (max-width:760px){
  #assemble-stage{ width:min(72vw,340px); height:min(72vw,340px); }
  #intro-logo{ width:min(84vw,300px); transform:translate(-50%, calc(-50% + 165px)); top:auto; bottom:8%; opacity:0; }
  #intro-logo.glow::before{ inset:-40px -40px auto -40px; height:170px; }
}

/* ============ HEADER ============ */
#site-header{
  position:fixed; top:0; left:0; right:0; z-index:500;
  background:rgba(255,255,255,0); transition:background .4s var(--ease), box-shadow .4s var(--ease), padding .4s var(--ease);
  padding:22px 0;
}
#site-header.scrolled{
  background:rgba(255,255,255,.92); backdrop-filter:blur(10px);
  box-shadow:0 10px 30px -20px rgba(57,58,60,.25); padding:12px 0;
}
.nav-wrap{
  max-width:1280px; margin:0 auto; padding:0 32px;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{ width:38px; }
.brand-word{ font-family:var(--font-display); font-weight:800; font-size:1.15rem; color:var(--verde-oscuro); }
.brand-word em{ font-style:normal; color:var(--verde); }

#main-nav{ display:flex; gap:30px; }
#main-nav a{ font-size:.92rem; font-weight:600; color:var(--carbon); position:relative; padding:4px 0; }
#main-nav a::after{
  content:""; position:absolute; left:0; bottom:-2px; height:2px; width:0%;
  background:var(--verde); transition:width .3s var(--ease);
}
#main-nav a:hover::after{ width:100%; }

.nav-actions{ display:flex; align-items:center; gap:14px; }
.btn-icon{
  width:40px; height:40px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  background:var(--gris-claro); color:var(--verde-oscuro); transition:background .3s;
}
.btn-icon:hover{ background:var(--verde); color:#fff; }
.btn-quote{ padding:12px 22px; font-size:.85rem; }

#burger{ display:none; width:40px; height:40px; border:none; background:none; flex-direction:column; justify-content:center; gap:5px; }
#burger span{ height:2px; width:100%; background:var(--verde-oscuro); border-radius:2px; transition:transform .3s, opacity .3s; }

/* ============ HERO ============ */
.hero{
  position:relative; min-height:100vh; display:grid; grid-template-columns:1.1fr .9fr;
  align-items:center; padding:150px 32px 90px; max-width:1280px; margin:0 auto; gap:40px;
  overflow:hidden;
}
.hero-organic-bg{
  position:absolute; inset:-10% -10%; z-index:-1; pointer-events:none;
  background:
    radial-gradient(closest-side, rgba(125,194,67,.16), transparent 70%) 15% 20%/45% 45% no-repeat,
    radial-gradient(closest-side, rgba(70,88,64,.10), transparent 70%) 85% 75%/50% 50% no-repeat;
  animation: floatBlob 16s ease-in-out infinite alternate;
}
@keyframes floatBlob{ from{ transform:translate(0,0) scale(1);} to{ transform:translate(-2%, 3%) scale(1.06);} }

.hero-inner{ position:relative; z-index:2; }
.hero h1{ font-size:clamp(2.3rem, 4.6vw, 3.6rem); margin-bottom:20px; color:var(--carbon); }
.hero h1 span{ color:var(--verde); }
.hero-lead{ font-size:1.1rem; color:var(--gris); max-width:520px; margin-bottom:34px; }
.hero-cta{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom:56px; }
.hero-stats{ display:flex; gap:44px; flex-wrap:wrap; }
.stat{ display:flex; flex-direction:column; }
.stat-num{ font-family:var(--font-display); font-weight:800; font-size:2.1rem; color:var(--verde-oscuro); }
.stat-label{ font-size:.82rem; color:var(--gris); max-width:120px; }

.hero-visual{
  position:relative; z-index:2; border-radius:var(--radius-lg); overflow:hidden;
  box-shadow:var(--shadow-soft); background:var(--gris-claro);
  aspect-ratio:4/3.4; display:flex; align-items:center; justify-content:center;
}
.hero-visual img{ width:100%; height:100%; object-fit:contain; padding:26px; }

.scroll-cue{
  position:absolute; bottom:26px; left:50%; transform:translateX(-50%); z-index:2;
  width:40px; height:40px; border-radius:50%; border:1px solid var(--linea);
  display:flex; align-items:center; justify-content:center; color:var(--verde-oscuro);
  animation:bounceCue 2.4s ease-in-out infinite;
}
@keyframes bounceCue{ 0%,100%{ transform:translate(-50%,0);} 50%{ transform:translate(-50%,8px);} }

/* ============ NOSOTROS ============ */
.media-card{ border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-soft); }
.media-card img{ width:100%; filter:saturate(1.05); }
.nosotros p{ color:var(--gris); }

/* ============ SECTORES ============ */
.sectores{ background:var(--gris-claro); }
.sector-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; margin-top:50px; }
.sector-card{
  background:#fff; border-radius:var(--radius-md); overflow:hidden; box-shadow:0 20px 40px -30px rgba(57,58,60,.25);
  transition:transform .4s var(--ease), box-shadow .4s var(--ease);
}
.sector-card:hover{ transform:translateY(-8px); box-shadow:var(--shadow-soft); }
.sector-img{ height:190px; overflow:hidden; }
.sector-img img{ width:100%; height:100%; object-fit:cover; transition:transform .6s var(--ease); }
.sector-card:hover .sector-img img{ transform:scale(1.08); }
.sector-card h3{ font-size:1.15rem; margin:20px 24px 8px; }
.sector-card p{ margin:0 24px 24px; color:var(--gris); font-size:.92rem; }

/* ============ PRODUCTOS / CATEGORÍAS ============ */
.category-grid{
  display:grid; grid-template-columns:repeat(7,1fr); gap:16px; margin:50px 0 70px;
}
.cat-tile{
  position:relative; background:var(--gris-claro); border-radius:var(--radius-md);
  padding:26px 14px; text-align:center; cursor:default; overflow:visible;
  transition:background .4s var(--ease), transform .4s var(--ease), box-shadow .4s var(--ease);
}
.cat-tile:hover{ background:var(--verde-oscuro); transform:translateY(-10px); box-shadow:0 22px 40px -18px rgba(70,88,64,.5); }
.cat-tile:hover h4{ color:#fff; }
.cat-tile:hover .cat-icon{ color:#fff; transform:scale(1.55) translateY(-6px) rotate(10deg); animation:iconWiggle .7s ease-in-out; }
.cat-icon{
  display:flex; align-items:center; justify-content:center; margin:0 auto 12px;
  width:42px; height:42px; color:var(--verde-oscuro); transition:transform .45s cubic-bezier(.34,1.56,.64,1), color .35s;
}
.cat-icon svg{ width:100%; height:100%; }
@keyframes iconWiggle{
  0%{ transform:scale(1) rotate(0deg); }
  30%{ transform:scale(1.65) rotate(-12deg) translateY(-8px); }
  55%{ transform:scale(1.4) rotate(14deg) translateY(-4px); }
  75%{ transform:scale(1.6) rotate(-6deg) translateY(-7px); }
  100%{ transform:scale(1.55) rotate(10deg) translateY(-6px); }
}
.cat-tile h4{ font-size:.85rem; margin:0; color:var(--carbon); transition:color .35s; }
.cat-tile::after{
  content:attr(data-tip); position:absolute; left:50%; bottom:calc(100% + 10px); transform:translateX(-50%) translateY(6px);
  background:var(--carbon); color:#fff; font-size:.72rem; padding:8px 12px; border-radius:8px; width:180px;
  opacity:0; pointer-events:none; transition:opacity .25s, transform .25s; z-index:5; font-family:var(--font-body);
}
.cat-tile:hover::after{ opacity:1; transform:translateX(-50%) translateY(0); }

.featured-title{ text-align:center; margin-bottom:40px; font-size:1.5rem; }

.product-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.product-card{
  border:1px solid var(--linea); border-radius:var(--radius-md); overflow:hidden;
  display:flex; flex-direction:column; transition:transform .4s var(--ease), box-shadow .4s var(--ease);
}
.product-card:hover{ transform:translateY(-8px); box-shadow:var(--shadow-soft); border-color:transparent; }
.product-photo{ height:190px; background:var(--gris-claro); display:flex; align-items:center; justify-content:center; overflow:hidden; }
.product-photo img{ width:100%; height:100%; object-fit:contain; padding:14px; }
.product-body{ padding:22px; display:flex; flex-direction:column; flex:1; }
.product-brand{ font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color:var(--verde); font-weight:700; }
.product-body h4{ font-size:1.15rem; margin:6px 0 10px; }
.product-body p{ color:var(--gris); font-size:.9rem; margin:0 0 14px; }
.spec-list{ margin-bottom:20px; }
.spec-list li{ font-size:.83rem; color:var(--carbon); padding:4px 0 4px 18px; position:relative; }
.spec-list li::before{ content:"—"; position:absolute; left:0; color:var(--verde); }
.product-body .btn{ margin-top:auto; }

/* ============ MARCAS ============ */
.marcas{ background:var(--verde-oscuro); overflow:hidden; }
.marcas .eyebrow{ color:var(--verde); }
.marcas h2{ color:#fff; }
.brand-track-wrap{ margin-top:50px; overflow:hidden; -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent); mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent); }
.brand-track{ display:flex; gap:60px; width:max-content; animation:scrollBrands 26s linear infinite; align-items:center; }
.brand-track:hover{ animation-play-state:paused; }
@keyframes scrollBrands{ from{ transform:translateX(0);} to{ transform:translateX(-50%);} }
.brand-chip{
  height:70px; display:flex; align-items:center; justify-content:center; padding:10px 22px;
  background:#fff; border-radius:14px; opacity:.95;
}
.brand-chip img{ height:100%; object-fit:contain; }
.text-chip{
  height:auto; background:none; padding:0 10px;
  font-family:var(--font-display); font-weight:800; font-size:1.5rem; color:#fff; opacity:.55;
}

/* ============ SERVICIOS ============ */
.services-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:26px; margin-top:50px; }
.service-card{
  padding:34px 24px; border-radius:var(--radius-md); background:var(--gris-claro);
  transition:transform .35s var(--ease), background .35s;
}
.service-card:hover{ transform:translateY(-6px); background:#fff; box-shadow:var(--shadow-soft); }
.service-num{ font-family:var(--font-display); font-weight:800; font-size:1.6rem; color:var(--verde); }
.service-card h4{ margin:12px 0 8px; font-size:1.05rem; }
.service-card p{ color:var(--gris); font-size:.9rem; margin:0; }

/* ============ PROMOCIONES ============ */
.promo-banner{
  background:linear-gradient(120deg, var(--verde-oscuro), #33422f);
  border-radius:var(--radius-lg); padding:60px; display:flex; align-items:center; justify-content:space-between; gap:40px; flex-wrap:wrap;
  color:#fff;
}
.promo-banner .eyebrow{ color:var(--verde); }
.promo-banner h2{ color:#fff; }
.promo-banner p{ color:rgba(255,255,255,.8); max-width:480px; }

/* ============ BLOG ============ */
.coming-soon{ margin-top:30px; padding:60px 30px; border:2px dashed var(--linea); border-radius:var(--radius-lg); max-width:560px; margin-left:auto; margin-right:auto; }
.coming-icon{ font-size:2rem; color:var(--verde); display:block; margin-bottom:14px; }
.coming-soon p{ color:var(--gris); margin-bottom:18px; }
.badge{ display:inline-block; padding:8px 20px; border-radius:100px; background:var(--verde); color:#fff; font-weight:700; font-size:.8rem; letter-spacing:.05em; text-transform:uppercase; }

/* ============ CONTACTO ============ */
.contacto{ background:var(--gris-claro); }
.contact-details{ display:grid; grid-template-columns:1fr 1fr; gap:20px; margin:30px 0; }
.contact-item{ display:flex; flex-direction:column; gap:4px; }
.contact-item strong{ font-size:.78rem; text-transform:uppercase; letter-spacing:.06em; color:var(--verde); }
.contact-item a, .contact-item span{ color:var(--carbon); font-weight:600; }

.quote-form{ display:flex; flex-direction:column; gap:14px; margin-top:10px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.quote-form input, .quote-form textarea{
  padding:14px 16px; border-radius:12px; border:1px solid var(--linea); font-family:inherit; font-size:.92rem;
  background:#fff; resize:vertical;
}
.quote-form input:focus, .quote-form textarea:focus{ outline:2px solid var(--verde); border-color:transparent; }

.map-card{ border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-soft); height:280px; }
.map-card iframe{ width:100%; height:100%; border:0; }
.qr-row{ display:flex; gap:18px; margin-top:20px; }
.qr-card{ flex:1; background:#fff; border-radius:var(--radius-md); padding:16px; text-align:center; box-shadow:0 10px 25px -18px rgba(57,58,60,.3); }
.qr-card img{ margin:0 auto 8px; }
.qr-card span{ font-size:.78rem; font-weight:600; color:var(--gris); }

/* ============ FOOTER ============ */
.site-footer{ background:var(--carbon); color:#fff; padding:70px 0 0; }
.footer-inner{ max-width:1220px; margin:0 auto; padding:0 32px; display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:50px; padding-bottom:50px; }
.footer-brand img{ width:52px; margin-bottom:14px; }
.footer-brand p{ color:rgba(255,255,255,.6); font-size:.9rem; max-width:280px; }
.footer-links{ display:flex; flex-direction:column; gap:12px; }
.footer-links h5{ font-family:var(--font-display); color:#fff; font-size:.85rem; text-transform:uppercase; letter-spacing:.08em; margin-bottom:6px; }
.footer-links a, .footer-links span{ color:rgba(255,255,255,.65); font-size:.9rem; }
.footer-links a:hover{ color:var(--verde); }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.12); padding:22px 32px; text-align:center; font-size:.8rem; color:rgba(255,255,255,.5); }

/* ============ WHATSAPP FLOAT ============ */
.whatsapp-float{
  position:fixed; right:26px; bottom:26px; z-index:400; width:60px; height:60px; border-radius:50%;
  background:#25D366; display:flex; align-items:center; justify-content:center; box-shadow:0 14px 30px -10px rgba(37,211,102,.6);
  animation:pulseWA 2.6s ease-in-out infinite;
}
@keyframes pulseWA{ 0%,100%{ transform:scale(1);} 50%{ transform:scale(1.07);} }

/* ============ SCROLL REVEALS (GSAP sets initial via JS, CSS fallback) ============ */
.reveal-up, .reveal-left, .reveal-right{ opacity:0; }

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .category-grid{ grid-template-columns:repeat(4,1fr); }
  .services-grid{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width:920px){
  #main-nav, .nav-actions .btn-quote{ display:none; }
  #burger{ display:flex; }
  #main-nav.open{
    display:flex; position:absolute; top:100%; left:0; right:0; background:#fff; flex-direction:column;
    padding:20px 32px; gap:18px; box-shadow:0 20px 30px -20px rgba(0,0,0,.2);
  }
  .hero{ grid-template-columns:1fr; padding-top:130px; }
  .hero-visual{ order:-1; height:280px; }
  .split{ grid-template-columns:1fr; }
  .sector-grid, .product-grid{ grid-template-columns:1fr 1fr; }
  .contact-details, .form-row{ grid-template-columns:1fr; }
  .promo-banner{ flex-direction:column; text-align:center; padding:44px 28px; }
}

@media (max-width:640px){
  .section{ padding:80px 0; }
  .category-grid{ grid-template-columns:repeat(3,1fr); }
  .sector-grid, .product-grid, .services-grid{ grid-template-columns:1fr; }
  .footer-inner{ grid-template-columns:1fr; }
  .hero-stats{ gap:26px; }
  .qr-row{ flex-direction:column; }
}