:root{
  --ink:#142B33;
  --bg:#F5F6F3;
  --bg-alt:#EDEFE9;
  --navy:#0B3049;
  --navy-2:#0F3E5C;
  --teal:#0E6E76;
  --teal-line:#3FA796;
  --copper:#C0793A;
  --copper-dark:#A6632B;
  --line:#DADCD3;
  --white:#FCFDFB;
  --font-display:'Newsreader', serif;
  --font-body:'IBM Plex Sans', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{font-family:var(--font-display);font-weight:500;margin:0;letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
}

/* progress ecg bar */
.ecg-progress{
  position:fixed; top:0; left:0; height:3px; width:0%;
  background:var(--copper); z-index:200; transition:width .1s linear;
}

/* NAV */
.nav{
  position:sticky; top:0; z-index:100;
  background:rgba(245,246,243,0.9);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1180px; margin:0 auto; padding:16px 28px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.brand{font-family:var(--font-display); font-size:1.4rem; font-weight:600; color:var(--navy);}
.brand-dot{color:var(--copper);}
.nav-links{display:flex; gap:28px; font-size:0.95rem;}
.nav-links a{opacity:0.8; transition:opacity .2s; position:relative; padding-bottom:4px;}
.nav-links a:hover{opacity:1;}
.nav-links a::after{
  content:""; position:absolute; left:0; bottom:0; height:2px; width:0;
  background:var(--copper); transition:width .25s cubic-bezier(.16,.8,.3,1);
}
.nav-links a:hover::after{width:100%;}
.nav-links a.active{opacity:1; font-weight:600;}
.nav-links a.active::after{width:100%;}

/* BUTTONS */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:14px 26px; border-radius:2px; font-weight:600; font-size:0.95rem;
  border:1px solid transparent; cursor:pointer; transition:transform .15s ease, background .2s ease, box-shadow .2s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-copper{background:var(--copper); color:var(--white);}
.btn-copper:hover{background:var(--copper-dark);}
.btn-outline{background:transparent; color:var(--white); border-color:rgba(255,255,255,0.5);}
.btn-outline:hover{background:rgba(255,255,255,0.1);}
.btn-outline-dark{background:transparent; color:var(--navy); border-color:var(--navy);}
.btn-outline-dark:hover{background:var(--navy); color:var(--white);}
.btn-small{padding:10px 18px; font-size:0.85rem;}
.btn-full{width:100%;}

/* HERO */
.hero{
  position:relative;
  background:linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  color:var(--white);
  padding:120px 28px 90px;
  overflow:hidden;
}
.hero-inner{max-width:760px; margin:0 auto; text-align:center; position:relative; z-index:2;}
.eyebrow{
  font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--teal-line); margin-bottom:18px; display:block;
}
.eyebrow-dark{color:var(--teal);}
.hero-title{font-size:clamp(2.2rem, 5vw, 3.4rem); line-height:1.12; margin-bottom:22px;}
.hero-title em{font-style:italic; color:var(--teal-line);}
.hero-sub{font-size:1.08rem; color:rgba(255,255,255,0.78); max-width:560px; margin:0 auto 34px;}
.hero-actions{display:flex; gap:16px; justify-content:center; flex-wrap:wrap;}
.hero-ecg{position:absolute; bottom:0; left:0; width:100%; height:90px; opacity:0.9;}
#ecgPath{
  stroke-dasharray:1400;
  stroke-dashoffset:1400;
  animation:drawEcg 2.4s ease-out .4s forwards;
}
@keyframes drawEcg{ to{ stroke-dashoffset:0; } }

/* SECTIONS */
.section{max-width:1180px; margin:0 auto; padding:96px 28px;}
.section-alt{max-width:none; background:var(--bg-alt);}
.section-alt > *{max-width:1180px; margin-left:auto; margin-right:auto;}
.section-dark{max-width:none; background:var(--navy); color:var(--white); padding:88px 28px;}
.section-dark > *{max-width:1180px; margin-left:auto; margin-right:auto;}
.section-head{max-width:640px; margin-bottom:52px;}
.section-head h2{font-size:clamp(1.7rem, 3vw, 2.3rem);}
.section-sub{margin-top:14px; color:#4C5B61; font-size:1.02rem;}
.section-head-light .section-sub{color:rgba(255,255,255,0.72);}

/* SERVICES */
.services-grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;}
.services-grid-4{grid-template-columns:repeat(4, 1fr);}
.service-card{
  background:var(--white); border:1px solid var(--line); padding:32px 26px; border-radius:2px;
  display:flex; flex-direction:column; gap:12px;
}
.service-card-featured{background:var(--navy); color:var(--white); border-color:var(--navy);}
.service-card-featured .service-mono{color:var(--teal-line);}
.service-card-featured .service-link{color:var(--teal-line);}
.service-mono{font-family:var(--font-mono); font-size:0.78rem; color:var(--copper); letter-spacing:0.06em;}
.service-card h3{font-size:1.3rem;}
.service-card p{color:inherit; opacity:0.85; font-size:0.96rem;}
.service-card-featured p{opacity:0.85;}
.service-link{margin-top:auto; font-weight:600; font-size:0.92rem; color:var(--copper);}

/* CATALOG */
.catalog-grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:24px; max-width:1180px; margin:0 auto;}
.catalog-card{background:var(--white); border:1px solid var(--line);}
.catalog-img{height:180px; background-size:cover; background-position:center;}
.catalog-card h3{padding:18px 18px 4px; font-size:1.12rem;}
.catalog-spec{padding:0 18px 20px; font-family:var(--font-mono); font-size:0.8rem; color:#6B7975;}
.catalog-cta{text-align:center; margin-top:40px; max-width:1180px; margin-left:auto; margin-right:auto;}

/* COURSES */
.courses-list{display:flex; flex-direction:column; gap:1px; background:var(--line);}
.course-row{
  background:var(--bg); padding:22px 8px; display:flex; align-items:center; gap:24px;
}
.course-date{
  width:64px; flex-shrink:0; text-align:center; font-family:var(--font-mono); color:var(--teal);
}
.course-day{display:block; font-size:1.6rem; font-weight:600; line-height:1;}
.course-month{display:block; font-size:0.78rem; text-transform:uppercase; letter-spacing:0.08em;}
.course-info{flex:1;}
.course-info h3{font-size:1.08rem; margin-bottom:4px;}
.course-info p{font-size:0.88rem; color:#5C6B70;}
.course-row[hidden]{display:none;}

/* STATS */
.stats-row{display:grid; grid-template-columns:repeat(4, 1fr); gap:24px; text-align:center;}
.stat-num{display:block; font-family:var(--font-display); font-size:2.4rem; color:var(--teal-line);}
.stat-label{display:block; font-size:0.85rem; color:rgba(255,255,255,0.65); margin-top:6px;}

/* QUOTE FORM */
.quote-wrap{display:grid; grid-template-columns:1fr 1fr; gap:60px; max-width:1180px; margin:0 auto; align-items:start;}
.quote-points{margin-top:24px; display:flex; flex-direction:column; gap:10px;}
.quote-points li{padding-left:22px; position:relative; font-size:0.95rem; color:#3A4A50;}
.quote-points li::before{content:"—"; position:absolute; left:0; color:var(--copper);}
.quote-form{background:var(--white); border:1px solid var(--line); padding:32px; display:flex; flex-direction:column; gap:16px;}
.quote-form label{display:flex; flex-direction:column; gap:6px; font-size:0.85rem; font-weight:600; color:#3A4A50;}
.quote-form input, .quote-form select, .quote-form textarea{
  font-family:var(--font-body); font-size:0.95rem; padding:11px 12px; border:1px solid var(--line);
  border-radius:2px; background:var(--bg); color:var(--ink); font-weight:400;
}
.quote-form input:focus, .quote-form select:focus, .quote-form textarea:focus{
  outline:2px solid var(--teal); outline-offset:1px;
}
.quote-note{font-size:0.82rem; color:#6B7975; text-align:center;}
.quote-note a{color:var(--teal); font-weight:600;}

/* FOOTER */
.footer{background:var(--navy); color:rgba(255,255,255,0.8); padding:64px 28px 24px;}
.footer-inner{
  max-width:1180px; margin:0 auto; display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:32px;
  padding-bottom:36px; border-bottom:1px solid rgba(255,255,255,0.15);
}
.footer-brand p:last-child{margin-top:10px; font-size:0.9rem; max-width:220px; color:rgba(255,255,255,0.6);}
.footer-col{display:flex; flex-direction:column; gap:10px; font-size:0.9rem;}
.footer-col h4{font-family:var(--font-mono); font-size:0.75rem; text-transform:uppercase; letter-spacing:0.08em; color:var(--teal-line); margin-bottom:4px; font-weight:500;}
.footer-col a:hover{color:var(--white);}
.footer-legal{max-width:1180px; margin:20px auto 0; font-size:0.78rem; color:rgba(255,255,255,0.5);}

/* PAGE HERO (subpáginas) */
.page-hero{
  position:relative;
  background:
    radial-gradient(ellipse 700px 400px at 90% -20%, rgba(63,167,150,0.14), transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  color:var(--white); padding:76px 28px 64px; text-align:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute; inset:0;
  background-image:radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size:28px 28px;
  opacity:0.35;
  pointer-events:none;
}
.page-hero > *{position:relative; z-index:1;}
.page-hero h1{font-size:clamp(2rem, 4vw, 2.8rem); margin-bottom:14px;}
.page-hero p{color:rgba(255,255,255,0.78); max-width:520px; margin:0 auto; font-size:1.02rem;}
.breadcrumb{font-family:var(--font-mono); font-size:0.78rem; color:rgba(255,255,255,0.55); margin-bottom:16px;}
.breadcrumb a{color:var(--teal-line);}

/* FILTERS */
.filter-row{display:flex; gap:10px; flex-wrap:wrap; margin-bottom:40px;}
.filter-chip{
  font-family:var(--font-mono); font-size:0.8rem; padding:9px 16px; border:1px solid var(--line);
  border-radius:20px; background:var(--white); cursor:pointer; color:var(--ink); transition:all .15s ease;
}
.filter-chip:hover{border-color:var(--teal);}
.filter-chip.active{background:var(--navy); color:var(--white); border-color:var(--navy);}

/* PRODUCT GRID */
.product-grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;}
.product-card{background:var(--white); border:1px solid var(--line); display:flex; flex-direction:column;}
.product-img{height:190px; background-size:cover; background-position:center;}
.product-body{padding:20px; display:flex; flex-direction:column; gap:8px; flex:1;}
.product-cat{font-family:var(--font-mono); font-size:0.72rem; color:var(--teal); text-transform:uppercase; letter-spacing:0.06em;}
.product-body h3{font-size:1.08rem;}
.product-desc{font-size:0.88rem; color:#5C6B70; flex:1;}
.product-price{font-family:var(--font-mono); font-size:0.95rem; color:var(--copper-dark); font-weight:500;}
.product-cta{margin-top:8px; width:100%;}
.product-card[hidden]{display:none;}

/* CONTACT PAGE */
.contact-wrap{display:grid; grid-template-columns:1fr 1fr; gap:60px; max-width:1180px; margin:0 auto;}
.contact-info{display:flex; flex-direction:column; gap:28px;}
.contact-item h4{font-family:var(--font-mono); font-size:0.78rem; text-transform:uppercase; letter-spacing:0.06em; color:var(--teal); margin-bottom:6px; font-weight:500;}
.contact-item p, .contact-item a{font-size:1.02rem;}
.contact-item a:hover{color:var(--teal);}
.contact-map{margin-top:8px; border:1px solid var(--line); height:220px; background:var(--bg-alt); display:flex; align-items:center; justify-content:center; color:#7C8A87; font-family:var(--font-mono); font-size:0.85rem;}

/* LEGAL TEXT */
.legal{max-width:760px; margin:0 auto; padding:80px 28px;}
.legal h2{font-size:1.6rem; margin-top:38px; margin-bottom:14px;}
.legal h2:first-child{margin-top:0;}
.legal p{color:#3A4A50; margin-bottom:14px; font-size:0.98rem;}
.legal-updated{font-family:var(--font-mono); font-size:0.8rem; color:#8A968F; margin-bottom:40px; display:block;}

/* VALUES (nosotros) */
.values-grid{display:grid; grid-template-columns:repeat(4, 1fr); gap:20px;}
.value-card{padding:24px 4px; border-top:2px solid var(--copper);}
.value-card h3{font-size:1.05rem; margin-bottom:8px;}
.value-card p{font-size:0.88rem; color:#5C6B70;}

.mv-grid{display:grid; grid-template-columns:1fr 1fr; gap:32px; margin-bottom:64px;}
.mv-card{background:var(--white); border:1px solid var(--line); padding:32px;}
.mv-card h3{font-family:var(--font-mono); font-size:0.8rem; text-transform:uppercase; letter-spacing:0.08em; color:var(--copper); margin-bottom:14px; font-weight:500;}
.mv-card p{font-size:1.02rem; color:#3A4A50; line-height:1.6;}

.logo-grid{display:grid; grid-template-columns:repeat(6, 1fr); gap:18px; align-items:center;}
.logo-grid img{filter:grayscale(1) opacity(0.6); border-radius:2px;}

/* RESPONSIVE */
@media (max-width: 1100px){
  .services-grid-4{grid-template-columns:repeat(2, 1fr);}
}
@media (max-width: 860px){
  .nav-links{display:none;}
  .services-grid, .services-grid-4, .catalog-grid{grid-template-columns:1fr;}
  .stats-row{grid-template-columns:repeat(2, 1fr); row-gap:32px;}
  .quote-wrap{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .course-row{flex-wrap:wrap;}
  .product-grid{grid-template-columns:1fr 1fr;}
  .contact-wrap{grid-template-columns:1fr;}
  .values-grid{grid-template-columns:1fr 1fr;}
  .mv-grid{grid-template-columns:1fr;}
  .logo-grid{grid-template-columns:repeat(3, 1fr);}
}
@media (max-width: 560px){
  .product-grid{grid-template-columns:1fr;}
}

/* focus visibility */
a:focus-visible, button:focus-visible{outline:2px solid var(--copper); outline-offset:2px;}

/* CURSOR HOVER PREVIEW */
.hover-preview{
  position:fixed; top:0; left:0; width:280px; height:190px;
  border-radius:3px; overflow:hidden; pointer-events:none;
  opacity:0; transform:translate(-50%,-50%) scale(0.85);
  transition:opacity .28s ease, transform .28s ease;
  z-index:300; box-shadow:0 24px 48px -12px rgba(11,48,73,0.45);
  border:1px solid rgba(255,255,255,0.15);
}
.hover-preview.is-visible{opacity:1; transform:translate(-50%,-50%) scale(1);}
.hover-preview img, .hover-preview video{
  width:100%; height:100%; object-fit:cover; display:block;
}
.hover-preview-tag{
  position:absolute; left:10px; bottom:10px; font-family:var(--font-mono);
  font-size:0.68rem; letter-spacing:0.06em; text-transform:uppercase;
  color:var(--white); background:rgba(11,48,73,0.75); padding:4px 9px; border-radius:2px;
}
[data-preview]{cursor:pointer;}
@media (max-width: 860px){
  .hover-preview{display:none;}
}
@media (prefers-reduced-motion: reduce){
  .hover-preview{transition:none;}
}

/* ============ DIRECTORIO DE ESPECIALISTAS (Telemedicina) ============ */
.specialist-search{
  background:var(--white); border-radius:4px; padding:22px;
  display:flex; gap:14px; flex-wrap:wrap; align-items:flex-end;
  max-width:640px; margin:36px auto 0; box-shadow:0 24px 48px -20px rgba(0,0,0,0.35);
  position:relative; z-index:2;
}
.specialist-search label{flex:1; min-width:180px; display:flex; flex-direction:column; gap:6px; font-size:0.82rem; font-weight:600; color:#3A4A50; text-align:left;}
.specialist-search select{
  font-family:var(--font-body); font-size:0.95rem; padding:11px 12px; border:1px solid var(--line);
  border-radius:2px; background:var(--bg); color:var(--ink);
}
.specialty-chips-static{display:flex; gap:10px; flex-wrap:wrap; justify-content:center; margin-top:20px;}
.specialty-chips-static a{
  font-family:var(--font-mono); font-size:0.78rem; color:rgba(255,255,255,0.75);
  border:1px solid rgba(255,255,255,0.25); padding:7px 14px; border-radius:16px; transition:all .2s ease;
}
.specialty-chips-static a:hover{color:var(--white); border-color:var(--teal-line); background:rgba(63,167,150,0.12);}

.specialist-grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;}
.specialist-card{background:var(--white); border:1px solid var(--line); display:flex; flex-direction:column;}
.specialist-photo{height:200px; background-size:cover; background-position:center top;}
.specialist-body{padding:20px; display:flex; flex-direction:column; gap:6px; flex:1;}
.specialist-spec{font-family:var(--font-mono); font-size:0.72rem; color:var(--teal); text-transform:uppercase; letter-spacing:0.06em;}
.specialist-body h3{font-size:1.08rem; margin-bottom:2px;}
.specialist-bio{font-size:0.86rem; color:#5C6B70; flex:1;}
.specialist-meta{display:flex; flex-direction:column; gap:4px; margin:8px 0 4px; font-size:0.82rem;}
.specialist-rating{color:var(--copper-dark); font-weight:600;}
.specialist-reviews{color:#8A968F; font-weight:400;}
.specialist-next{color:var(--teal); font-family:var(--font-mono); font-size:0.76rem;}
.specialist-card[hidden]{display:none;}

@media (max-width: 860px){
  .specialist-grid{grid-template-columns:1fr;}
  .specialist-search{flex-direction:column; align-items:stretch;}
}
.admin-gate{max-width:380px; margin:140px auto; padding:44px 36px; background:var(--white); border:1px solid var(--line); text-align:center;}
.admin-gate h1{font-size:1.5rem; margin-bottom:10px;}
.admin-gate p{color:#5C6B70; font-size:0.9rem; margin-bottom:24px;}
.admin-gate input{width:100%; padding:12px 14px; border:1px solid var(--line); border-radius:2px; margin-bottom:14px; font-family:var(--font-body);}
.admin-gate-error{color:#B33A3A; font-size:0.85rem; min-height:20px; margin-top:10px;}
.admin-wrap{max-width:980px; margin:0 auto; padding:56px 28px 100px;}
.admin-header{display:flex; justify-content:space-between; align-items:center; margin-bottom:32px; flex-wrap:wrap; gap:16px;}
.admin-instructions{background:var(--bg-alt); border-left:3px solid var(--copper); padding:22px 26px; margin-bottom:40px; font-size:0.92rem; color:#3A4A50;}
.admin-instructions h3{font-size:1rem; margin-bottom:10px;}
.admin-instructions ol{padding-left:20px; margin:0;}
.admin-instructions li{margin-bottom:6px;}
.admin-tabs{display:flex; gap:10px; margin-bottom:32px;}
.admin-tab{padding:10px 22px; border:1px solid var(--line); background:var(--white); cursor:pointer; font-weight:600; font-size:0.9rem; font-family:var(--font-body);}
.admin-tab.active{background:var(--navy); color:var(--white); border-color:var(--navy);}
.admin-panel-section{display:none;}
.admin-panel-section.active{display:block;}
.admin-form{background:var(--white); border:1px solid var(--line); padding:28px; margin-bottom:28px; display:flex; flex-direction:column; gap:14px;}
.admin-form h3{font-size:1.1rem; margin-bottom:4px;}
.admin-form label{display:flex; flex-direction:column; gap:6px; font-size:0.85rem; font-weight:600; color:#3A4A50;}
.admin-form input, .admin-form select, .admin-form textarea{
  font-family:var(--font-body); font-size:0.92rem; padding:10px 12px; border:1px solid var(--line);
  border-radius:2px; background:var(--bg); color:var(--ink); font-weight:400;
}
.check-grid{display:grid; grid-template-columns:repeat(2, 1fr); gap:8px 16px;}
.check-label{flex-direction:row !important; align-items:center; gap:8px !important; font-weight:400 !important;}
.check-label input{width:auto !important;}
.admin-table-wrap{overflow-x:auto; margin-bottom:20px;}
.admin-table{width:100%; border-collapse:collapse; background:var(--white); border:1px solid var(--line);}
.admin-table th, .admin-table td{padding:12px 14px; border-bottom:1px solid var(--line); text-align:left; font-size:0.86rem; vertical-align:top;}
.admin-table th{font-family:var(--font-mono); font-size:0.7rem; text-transform:uppercase; letter-spacing:0.04em; color:#6B7975; background:var(--bg-alt);}
.admin-table td:last-child{white-space:nowrap;}
.admin-actions{display:flex; gap:12px; margin-top:6px; flex-wrap:wrap;}
.admin-status{font-size:0.85rem; color:var(--teal); margin-top:4px; min-height:20px;}
.btn-danger{border-color:#B33A3A; color:#B33A3A;}
.btn-danger:hover{background:#B33A3A; color:var(--white);}

/* ============ MENÚ MÓVIL ============ */
.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:36px; height:36px; border:none; background:none; cursor:pointer; padding:0;
}
.nav-toggle span{display:block; width:100%; height:2px; background:var(--navy); transition:transform .25s ease, opacity .25s ease;}
.nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-active span:nth-child(2){opacity:0;}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media (max-width: 860px){
  .nav-toggle{display:flex;}
  .nav-links{
    display:none; position:absolute; top:100%; left:0; right:0;
    background:var(--bg); border-bottom:1px solid var(--line);
    flex-direction:column; padding:8px 28px 20px; gap:2px;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:12px 0; border-bottom:1px solid var(--line);}
  .nav-links a:last-child{border-bottom:none;}
  .nav{position:sticky;}
}

/* ============ REVELADO AL SCROLL ============ */
.reveal{opacity:1; transform:none; transition:opacity .7s ease, transform .7s ease;}
.reveal-init{opacity:0; transform:translateY(22px);}
@media (prefers-reduced-motion: reduce){
  .reveal{transition:none;}
}

/* ============ HERO: DEGRADADO SUTIL ============ */
.hero{position:relative; overflow:hidden;}
.hero::before{
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(ellipse 700px 420px at 15% 0%, rgba(63,167,150,0.16), transparent 60%),
    radial-gradient(ellipse 600px 400px at 90% 20%, rgba(192,121,58,0.10), transparent 55%);
}
.hero-inner, .hero-ecg{position:relative; z-index:1;}

/* ============ ELEVACIÓN DE TARJETAS ============ */
.service-card, .catalog-card, .product-card, .value-card, .mv-card{
  transition:transform .3s cubic-bezier(.16,.8,.3,1), box-shadow .3s cubic-bezier(.16,.8,.3,1), border-color .3s ease;
}
.service-card:hover, .catalog-card:hover, .product-card:hover{
  transform:translateY(-4px);
  box-shadow:0 20px 40px -18px rgba(11,48,73,0.22);
}
.service-card-featured:hover{box-shadow:0 20px 40px -16px rgba(11,48,73,0.4);}
.course-row{transition:background .25s ease, padding-left .25s ease;}
.course-row:hover{background:var(--bg-alt); padding-left:16px;}
.btn-copper:hover{box-shadow:0 12px 24px -8px rgba(192,121,58,0.5);}
.btn-outline-dark:hover{box-shadow:0 12px 24px -10px rgba(11,48,73,0.25);}

/* ============ MARQUEE DE INSTITUCIONES ============ */
.logo-marquee{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);}
.logo-marquee-track{display:flex; gap:56px; width:max-content; animation:marquee 28s linear infinite;}
.logo-marquee-track img{height:56px; width:auto; filter:grayscale(1); opacity:0.55; flex-shrink:0;}
@keyframes marquee{ from{transform:translateX(0);} to{transform:translateX(-50%);} }
@media (prefers-reduced-motion: reduce){
  .logo-marquee-track{animation:none; flex-wrap:wrap; width:auto;}
}