:root{
  --red:#E31B23; --red-dark:#B8121A; --navy:#0E2240; --blue:#1B4E9B; --sky:#EAF2FB;
  --ink:#1B2A41; --muted:#5B6B82; --line:#E3E9F1; --bg:#fff; --soft:#F6F9FC;
  --radius:16px; --shadow:0 10px 30px rgba(14,34,64,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Montserrat',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,100% - 40px);margin-inline:auto}

/* top bar */
.topbar{background:var(--navy);color:#cfd9e8;font-size:.78rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding:8px 0;flex-wrap:wrap}
.topbar a:hover{color:#fff}

/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo img{height:46px;width:auto}
nav.main{display:flex;align-items:center;gap:30px}
nav.main a,.dd>button{font:600 .78rem/1 'Montserrat',sans-serif;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);background:none;border:0;cursor:pointer;padding:8px 0;position:relative}
nav.main a:hover,.dd>button:hover,nav.main a.active,.dd>button.active{color:var(--red)}
nav.main a.active::after,.dd>button.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--red)}
nav.main a.btn{color:#fff}
nav.main a.btn::after{display:none}
.dd{position:relative}
.dd-menu{position:absolute;top:100%;left:-16px;min-width:270px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;display:none}
.dd:hover .dd-menu,.dd:focus-within .dd-menu{display:block}
.dd-menu a{display:block;padding:11px 14px;border-radius:8px;text-transform:none;letter-spacing:0;font-weight:600;font-size:.88rem}
.dd-menu a:hover{background:var(--sky);color:var(--red)}
.dd-menu small{display:block;font-weight:500;color:var(--muted);font-size:.75rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:700 .8rem/1 'Montserrat',sans-serif;letter-spacing:.05em;text-transform:uppercase;padding:14px 24px;border-radius:999px;border:2px solid var(--red);background:var(--red);color:#fff;cursor:pointer;transition:.2s}
.btn:hover{background:var(--red-dark);border-color:var(--red-dark);transform:translateY(-1px)}
.btn.ghost{background:#fff;color:var(--red)}
.btn.ghost:hover{background:var(--red);color:#fff}
.btn.sm{padding:11px 18px;font-size:.72rem}
.burger{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px}
.burger span{display:block;height:2px;background:var(--navy);margin:7px 8px}

/* hero */
.hero{background:linear-gradient(180deg,#fff 0%,var(--soft) 100%);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:70px 0 80px}
.eyebrow{display:inline-block;font:700 .72rem/1 'Montserrat',sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin-bottom:18px}
h1,h2,h3{color:var(--navy);line-height:1.15;font-weight:800}
h1{font-size:clamp(2.1rem,4.4vw,3.4rem);margin-bottom:20px}
h1 em,h2 em{font-style:normal;color:var(--red)}
h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:14px}
.lead{font-size:1.05rem;color:var(--muted);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-img{position:relative;background:#fff;border-radius:32px;box-shadow:var(--shadow);padding:20px;display:grid;place-items:center}
.hero-img img{width:auto;height:auto;max-height:480px;object-fit:contain;border-radius:20px}
.badge{position:absolute;left:-18px;bottom:30px;background:var(--navy);color:#fff;border-radius:14px;padding:14px 18px;font-size:.78rem;line-height:1.35;box-shadow:var(--shadow)}
.badge b{display:block;font-size:1.3rem;color:#fff}

section{padding:80px 0}
section.soft{background:var(--soft)}
.sec-head{max-width:680px;margin-bottom:44px}
.sec-head p{color:var(--muted)}

/* categories */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:.25s;position:relative}
.cat .ic{width:48px;height:48px;border-radius:12px;background:var(--sky);display:grid;place-items:center;color:var(--blue);margin-bottom:18px}
.cat .ic svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.cat h3{font-size:1.02rem;margin-bottom:8px}
.cat p{font-size:.86rem;color:var(--muted)}
.cat .tag{position:absolute;top:18px;right:18px;font-size:.62rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 10px;border-radius:999px;background:var(--soft);color:var(--muted)}
.cat.live{border-color:var(--red)}
.cat.live .tag{background:var(--red);color:#fff}
.cat.live:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.cat.live .ic{background:#FDECEC;color:var(--red)}

/* feature strip */
.feats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feat b{display:block;color:var(--navy);margin-bottom:4px}
.feat span{font-size:.88rem;color:var(--muted)}
.feat .n{font-size:2rem;font-weight:800;color:var(--red);line-height:1;margin-bottom:10px;display:block}

/* about */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split p{color:var(--muted);margin-bottom:14px}
.about-card{background:var(--navy);border-radius:28px;padding:40px;color:#cfd9e8}
.about-card h3{color:#fff;margin-bottom:10px;font-size:1.2rem}
.about-card ul{list-style:none;margin-top:18px}
.about-card li{padding:10px 0;border-top:1px solid rgba(255,255,255,.12);font-size:.92rem}
.about-card li b{color:#fff}

/* page head / breadcrumbs */
.pagehead{background:var(--soft);border-bottom:1px solid var(--line);padding:46px 0 40px}
.crumbs{font-size:.78rem;color:var(--muted);margin-bottom:12px}
.crumbs a:hover{color:var(--red)}
.pagehead p{color:var(--muted);max-width:720px}

/* catalog (Allers-like) */
.catalog{display:grid;grid-template-columns:250px 1fr;gap:40px;padding:50px 0 80px}
.side{align-self:start;position:sticky;top:100px}
.side h4{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--navy);margin-bottom:14px}
.side ul{list-style:none;border-top:1px solid var(--line)}
.side li a{display:flex;justify-content:space-between;padding:12px 4px;border-bottom:1px solid var(--line);font-size:.9rem;font-weight:600}
.side li a:hover,.side li a.on{color:var(--red)}
.side li span{color:var(--muted);font-weight:500}
.side .help{margin-top:28px;background:var(--sky);border-radius:var(--radius);padding:22px;font-size:.86rem}
.side .help b{display:block;color:var(--navy);margin-bottom:6px}
.side .help .btn{margin-top:14px;width:100%}
.model{margin-bottom:64px;scroll-margin-top:100px}
.model-intro{border-left:4px solid var(--red);padding-left:22px;margin-bottom:26px}
.model-intro .eyebrow{margin-bottom:8px}
.model-intro p{color:var(--muted);max-width:760px}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.pill{font-size:.74rem;font-weight:600;color:var(--blue);background:var(--sky);padding:6px 12px;border-radius:999px}
.refs{display:grid;grid-template-columns:1fr;gap:20px}
.ref{display:grid;grid-template-columns:260px 1fr;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:.25s}
.ref:hover{box-shadow:var(--shadow);border-color:#cfdaea}
.ref figure{background:var(--soft);display:grid;place-items:center;padding:20px}
.ref figure img{max-height:230px;width:auto;mix-blend-mode:multiply}
.ref .body{padding:26px 28px;display:flex;flex-direction:column}
.ref .code{font-size:.72rem;font-weight:700;letter-spacing:.12em;color:var(--red);text-transform:uppercase}
.ref h3{font-size:1.25rem;margin:4px 0 10px}
.ref .body>p{font-size:.88rem;color:var(--muted);margin-bottom:14px}
.specs{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 20px;font-size:.84rem;margin-bottom:20px}
.specs div{border-bottom:1px dashed var(--line);padding-bottom:6px}
.specs b{display:block;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700}
.ref .actions{margin-top:auto;display:flex;gap:10px;flex-wrap:wrap}

.common{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;margin-top:20px}
.common h3{font-size:1.05rem;margin-bottom:14px}
.common ul{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:10px 28px;font-size:.88rem;color:var(--muted)}
.common li b{color:var(--navy)}

/* cta + footer */
.cta{background:var(--navy);color:#fff;border-radius:28px;padding:54px;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta h2{color:#fff;margin:0 0 6px}
.cta p{color:#b8c6dc}
footer.site{background:#08162B;color:#a9b8d0;padding:60px 0 24px;font-size:.88rem}
footer.site .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
footer.site h5{color:#fff;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
footer.site a:hover{color:#fff}
footer.site li{list-style:none;margin-bottom:8px}
footer.site .logo-box{display:inline-block;background:#fff;border-radius:10px;padding:8px 12px;margin-bottom:14px}
footer.site .logo-box img{height:34px}
.legal{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:20px;font-size:.78rem}
.wa{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.wa svg{width:30px;height:30px;fill:#fff}

@media(max-width:960px){
  .hero .wrap,.split,.catalog{grid-template-columns:1fr}
  .side{position:static;order:2}
  .cats,.feats{grid-template-columns:repeat(2,1fr)}
  footer.site .grid{grid-template-columns:1fr 1fr}
  .burger{display:block}
  nav.main{position:absolute;top:76px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:0;padding:10px 20px 20px;display:none}
  nav.main.open{display:flex}
  nav.main>a,.dd{width:100%;padding:12px 0;border-bottom:1px solid var(--line)}
  nav.main>a.btn{margin-top:14px;width:auto;border-bottom:2px solid var(--red)}
  .dd-menu{position:static;display:block;border:0;box-shadow:none;padding:6px 0 0 10px}
  .badge{left:10px}
}
@media(max-width:640px){
  section{padding:56px 0}
  .ref{grid-template-columns:1fr}
  .specs,.common ul,.cats,.feats{grid-template-columns:1fr}
  .cta{padding:34px 26px}
  footer.site .grid{grid-template-columns:1fr}
  .topbar .wrap>span:first-child{display:none}
}
.hero .wrap>*{min-width:0}

/* inicio a pantalla completa */
.hero.full{min-height:calc(100vh - 77px);display:flex;align-items:center}
.hero.full .wrap{width:min(1180px,100% - 40px);padding:40px 0}
.hero.full .hero-img img{max-height:min(480px,62vh)}

/* ---------- dinamismo ---------- */
header.site{transition:box-shadow .3s,background .3s}
header.site.scrolled{box-shadow:0 6px 24px rgba(14,34,64,.10)}
nav.main>a:not(.btn)::before,.dd>button::before{content:"";position:absolute;left:0;bottom:-4px;height:2px;width:100%;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .3s}
nav.main>a:not(.btn):hover::before,.dd:hover>button::before{transform:scaleX(1)}
.btn{transition:background .2s,border-color .2s,color .2s,transform .2s,box-shadow .2s}
.btn:hover{box-shadow:0 8px 20px rgba(227,27,35,.28)}
.btn:active{transform:translateY(0)}

/* entrada del hero */
@keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
@keyframes pop{from{opacity:0;transform:scale(.92) translateY(20px)}to{opacity:1;transform:none}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.55)}70%{box-shadow:0 0 0 18px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}
.hero .wrap>div:first-child>*{animation:rise .8s cubic-bezier(.2,.7,.2,1) both}
.hero .wrap>div:first-child>:nth-child(2){animation-delay:.1s}
.hero .wrap>div:first-child>:nth-child(3){animation-delay:.2s}
.hero .wrap>div:first-child>:nth-child(4){animation-delay:.3s}
.hero-img{animation:pop .9s .15s cubic-bezier(.2,.7,.2,1) both}
.hero-img img{animation:floaty 6s 1.2s ease-in-out infinite}
.badge{animation:rise .8s .7s cubic-bezier(.2,.7,.2,1) both}
.wa{animation:pulse 2.4s infinite;transition:transform .2s}
.wa:hover{transform:scale(1.1)}

/* aparición al hacer scroll */
.js .reveal{opacity:0;transform:translateY(32px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}

/* tarjetas */
.cat{transition:transform .25s,box-shadow .25s,border-color .25s}
.cat:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfdaea}
.cat .ic{transition:transform .3s,background .3s}
.cat:hover .ic{transform:rotate(-8deg) scale(1.1)}
.ref{transition:transform .25s,box-shadow .25s,border-color .25s}
.ref:hover{transform:translateY(-3px)}
.ref figure{overflow:hidden}
.ref figure img{transition:transform .5s}
.ref:hover figure img{transform:scale(1.07)}
.feat{transition:transform .25s}
.feat:hover{transform:translateY(-4px)}
.about-card li{transition:padding-left .25s,background .25s}
.about-card li:hover{padding-left:10px}
.cta{background:linear-gradient(120deg,var(--navy),#16335f,var(--navy));background-size:200% 100%;animation:shift 10s ease-in-out infinite}
@keyframes shift{0%,100%{background-position:0 0}50%{background-position:100% 0}}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}

/* ---------- pantalla de bienvenida (logo) ---------- */
#intro{display:none;position:fixed;inset:0;z-index:1000;place-items:center;background:radial-gradient(circle at 50% 42%,#fff 0%,#f4f8fd 55%,#e3ecf7 100%);transition:opacity .9s ease,visibility .9s,transform .9s ease}
.intro-on #intro{display:grid}
#intro.out{opacity:0;visibility:hidden;transform:scale(1.05)}
.intro-inner{text-align:center;padding:0 20px}
.intro-logo{position:relative;width:clamp(230px,42vw,460px);margin:0 auto;animation:introGrow 2.1s cubic-bezier(.16,.84,.3,1) both}
.intro-logo img{width:100%;height:auto;filter:drop-shadow(0 14px 30px rgba(227,27,35,.20))}
.intro-logo::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 38%,rgba(255,255,255,.96) 50%,transparent 62%);background-size:260% 100%;background-position:150% 0;-webkit-mask:url(img/logo-lebrau.png) center/100% 100% no-repeat;mask:url(img/logo-lebrau.png) center/100% 100% no-repeat;animation:introShine 1.5s 1.5s ease-in-out both}
.intro-line{height:2px;width:0;margin:30px auto 0;background:linear-gradient(90deg,transparent,var(--red),transparent);animation:introLine 1.3s 1.7s cubic-bezier(.2,.7,.2,1) forwards}
.intro-tag{margin-top:18px;font:600 .74rem/1 'Montserrat',sans-serif;letter-spacing:.34em;text-transform:uppercase;color:var(--navy);opacity:0;animation:introTag 1.2s 2.1s ease forwards}
.intro-skip{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);background:none;border:0;cursor:pointer;font:600 .7rem/1 'Montserrat',sans-serif;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);padding:12px 18px;opacity:0;animation:introTag .8s 1s ease forwards;transition:color .2s}
.intro-skip:hover{color:var(--red)}
.spark{position:absolute;width:16px;height:16px;background:#ff5a60;clip-path:polygon(50% 0,60% 38%,100% 50%,60% 62%,50% 100%,40% 62%,0 50%,40% 38%);opacity:0;filter:drop-shadow(0 0 6px rgba(227,27,35,.7));animation:twinkle 1.1s ease-in-out both}
.intro-wait .hero *{animation-play-state:paused}
@keyframes introGrow{0%{opacity:0;transform:scale(.28);filter:blur(16px)}55%{opacity:1;filter:blur(0)}100%{opacity:1;transform:scale(1);filter:blur(0)}}
@keyframes introShine{from{background-position:150% 0}to{background-position:-60% 0}}
@keyframes introLine{to{width:min(320px,62vw)}}
@keyframes introTag{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes twinkle{0%{opacity:0;transform:scale(0) rotate(0)}45%{opacity:1;transform:scale(var(--s,1)) rotate(45deg)}100%{opacity:0;transform:scale(0) rotate(90deg)}}