/* Glitter | Lubricantes y Químicos Industriales */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --p:#0D2461;--p2:#091840;--a:#1E50C8;--a2:#1842B0;
  --silver:#C0C0C0;--light:#F0F4FF;--mid:#D0DCFA;--text:#060E2A;--gray:#4A5880;--white:#ffffff;
  --radius:8px;--shadow:0 8px 40px rgba(13,36,97,.14);--trans:.28s ease;
}
html{scroll-behavior:smooth;}
body{font-family:'Inter',Arial,sans-serif;color:var(--text);background:var(--white);line-height:1.6;}
img{display:block;max-width:100%;}a{text-decoration:none;color:inherit;}
.container{max-width:1180px;margin:0 auto;padding:0 36px;}

/* ── HEADER ── */
#header{position:fixed;top:0;left:0;right:0;z-index:100;transition:background var(--trans),box-shadow var(--trans);}
#header.scrolled{background:var(--p2);box-shadow:0 2px 20px rgba(0,0,0,.4);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.logo-link img{height:42px;}
.nav{display:flex;align-items:center;gap:30px;}
.nav a:not(.btn-nav){color:rgba(255,255,255,.8);font-size:.88rem;font-weight:500;transition:color var(--trans);}
.nav a:not(.btn-nav):hover{color:var(--silver);}
.btn-nav{background:var(--a);color:var(--white);padding:10px 22px;border-radius:var(--radius);font-weight:700;font-size:.85rem;transition:background var(--trans);}
.btn-nav:hover{background:var(--a2);}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px;}
.hamburger span{display:block;width:24px;height:2px;background:var(--white);}

/* ── HERO — 60/40 dark panel ── */
.hero{min-height:100vh;display:grid;grid-template-columns:60% 40%;position:relative;overflow:hidden;}
.hero-panel{background:var(--p2);display:flex;flex-direction:column;justify-content:center;padding:160px 64px 80px;position:relative;}
.hero-panel::after{content:'';position:absolute;top:0;right:-40px;bottom:0;width:80px;background:var(--p2);transform:skewX(-3deg);z-index:1;}
.hero-tag{display:inline-flex;align-items:center;gap:10px;background:rgba(30,80,200,.2);border:1px solid rgba(30,80,200,.35);color:var(--silver);padding:7px 18px;border-radius:40px;font-size:.72rem;font-weight:700;letter-spacing:3px;text-transform:uppercase;margin-bottom:28px;width:fit-content;}
.hero-tag i{color:var(--a);font-size:.8rem;}
.hero-panel h1{font-size:clamp(1.8rem,3.5vw,3rem);font-weight:900;color:var(--white);line-height:1.12;letter-spacing:-.5px;margin-bottom:20px;}
.hero-panel h1 span{color:var(--silver);}
.hero-panel p{font-size:1rem;color:rgba(255,255,255,.62);line-height:1.72;margin-bottom:40px;max-width:440px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
.btn-purple{display:inline-block;background:var(--a);color:var(--white);padding:14px 34px;border-radius:var(--radius);font-weight:700;font-size:.9rem;transition:background var(--trans),transform var(--trans);}
.btn-purple:hover{background:var(--a2);transform:translateY(-2px);}
.btn-ghost-s{display:inline-block;border:2px solid rgba(192,192,192,.3);color:var(--silver);padding:12px 32px;border-radius:var(--radius);font-weight:600;font-size:.9rem;transition:border-color var(--trans);}
.btn-ghost-s:hover{border-color:var(--silver);}
.hero-img-col{position:relative;overflow:hidden;}
.hero-img-col img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.8);}
.hero-img-col::before{content:'';position:absolute;inset:0;background:linear-gradient(to right,var(--p2) 0%,transparent 30%);z-index:1;}
.hero-metrics{position:absolute;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(9,24,64,.95);backdrop-filter:blur(8px);border-top:1px solid rgba(30,80,200,.2);}
.h-metric{padding:24px 20px;text-align:center;border-right:1px solid rgba(255,255,255,.07);}
.h-metric:last-child{border-right:none;}
.h-num{font-size:2rem;font-weight:900;color:var(--silver);line-height:1;}
.h-plus{font-size:1rem;font-weight:700;color:var(--silver);}
.h-label{font-size:.75rem;color:rgba(255,255,255,.45);margin-top:4px;}

/* ── MARCAS BAND ── */
.marcas{background:var(--light);padding:32px 0;border-bottom:1px solid var(--mid);}
.marcas-label{text-align:center;font-size:.68rem;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--gray);margin-bottom:20px;}
.marcas-strip{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:wrap;}
.marca-item{padding:10px 36px;border-right:1px solid var(--mid);font-size:1rem;font-weight:800;color:var(--mid);letter-spacing:.5px;transition:color var(--trans);}
.marca-item:last-child{border-right:none;}
.marca-item:hover{color:var(--p);}

/* ── CATÁLOGO — 4 col ── */
.catalogo{padding:96px 0;background:var(--white);}
.cat-header{text-align:center;margin-bottom:60px;}
.sec-tag{font-size:.7rem;font-weight:700;letter-spacing:4px;text-transform:uppercase;color:var(--a);display:block;margin-bottom:10px;}
.cat-header h2{font-size:clamp(1.6rem,2.8vw,2.4rem);font-weight:900;color:var(--p);letter-spacing:-.5px;}
.cat-header p{color:var(--gray);font-size:.95rem;max-width:560px;margin:10px auto 0;line-height:1.65;}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.cat-card{background:var(--light);border:1px solid var(--mid);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:box-shadow var(--trans),transform var(--trans);opacity:0;transform:translateY(14px);}
.cat-card.visible{opacity:1;transform:none;transition:opacity .5s,transform .5s;}
.cat-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);}
.cat-icon{width:64px;height:64px;background:var(--p);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;}
.cat-icon i{font-size:1.4rem;color:var(--silver);}
.cat-card h3{font-size:.98rem;font-weight:800;color:var(--p);margin-bottom:10px;line-height:1.25;}
.cat-card p{font-size:.84rem;color:var(--gray);line-height:1.6;}
.cat-card .cat-link{display:inline-block;margin-top:16px;font-size:.8rem;font-weight:700;color:var(--a2);transition:color var(--trans);}
.cat-card .cat-link:hover{color:var(--p);}

/* ── DIFERENCIADORES — dark 2-col ── */
.difs{padding:96px 0;background:var(--p);}
.difs-header{text-align:center;margin-bottom:56px;}
.difs-header .sec-tag{color:rgba(192,192,192,.5);}
.difs-header h2{font-size:clamp(1.6rem,2.8vw,2.4rem);font-weight:900;color:var(--white);letter-spacing:-.5px;}
.difs-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.dif-block{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:36px;transition:border-color var(--trans);}
.dif-block:hover{border-color:rgba(30,80,200,.4);}
.dif-block i{font-size:1.6rem;color:var(--silver);margin-bottom:16px;display:block;}
.dif-block h4{font-size:1rem;font-weight:800;color:var(--white);margin-bottom:8px;}
.dif-block p{font-size:.88rem;color:rgba(255,255,255,.5);line-height:1.65;}

/* ── PROCESO — zigzag ── */
.proceso{padding:96px 0;background:var(--light);}
.proc-header{text-align:center;margin-bottom:64px;}
.proc-header h2{font-size:clamp(1.6rem,2.8vw,2.4rem);font-weight:900;color:var(--p);letter-spacing:-.5px;}
.zigzag{display:flex;flex-direction:column;gap:0;max-width:900px;margin:0 auto;}
.zz-step{display:grid;grid-template-columns:1fr 80px 1fr;align-items:center;gap:0;}
.zz-step.right .zz-text{order:3;}
.zz-step.right .zz-mid{order:2;}
.zz-step.right .zz-empty{order:1;}
.zz-empty{height:120px;}
.zz-mid{display:flex;flex-direction:column;align-items:center;gap:0;}
.zz-dot{width:52px;height:52px;border-radius:50%;background:var(--p);display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:900;color:var(--silver);flex-shrink:0;}
.zz-line{width:2px;flex:1;background:var(--mid);min-height:60px;}
.zz-step:last-child .zz-line{display:none;}
.zz-text{background:var(--white);border-radius:var(--radius);padding:28px 32px;box-shadow:0 4px 20px rgba(13,36,97,.08);margin:12px 16px;}
.zz-text h4{font-size:.98rem;font-weight:800;color:var(--p);margin-bottom:6px;}
.zz-text p{font-size:.86rem;color:var(--gray);line-height:1.6;}

/* ── SECTORES ── */
.sectores{padding:72px 0;background:var(--p2);}
.sect-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:0;}
.sect-chip{padding:14px 32px;color:rgba(255,255,255,.5);font-size:.88rem;font-weight:600;border-right:1px solid rgba(255,255,255,.1);transition:color var(--trans);}
.sect-chip:last-child{border-right:none;}
.sect-chip:hover{color:var(--silver);}

/* ── CONTACTO — sobre imagen ── */
.contacto{padding:96px 0;background:var(--white);}
.contacto-inner{display:grid;grid-template-columns:1fr 1.3fr;gap:72px;align-items:start;}
.c-left .sec-tag{display:block;margin-bottom:10px;}
.c-left h2{font-size:clamp(1.5rem,2.5vw,2.2rem);font-weight:900;color:var(--p);letter-spacing:-.5px;margin-bottom:14px;}
.c-left p{color:var(--gray);font-size:.95rem;line-height:1.7;margin-bottom:28px;}
.c-info{list-style:none;display:flex;flex-direction:column;gap:12px;}
.c-info li{display:flex;align-items:center;gap:12px;font-size:.9rem;color:var(--gray);}
.c-info i{color:var(--a);width:16px;}
.c-form-wrap{background:var(--light);border-radius:12px;padding:40px;border:1px solid var(--mid);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.form-group label{font-size:.72rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--p);}
.form-group input,.form-group select,.form-group textarea{border:1.5px solid var(--mid);border-radius:var(--radius);padding:11px 14px;font-size:.92rem;font-family:inherit;color:var(--text);background:var(--white);outline:none;transition:border-color var(--trans);}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--a);}
.form-group textarea{resize:vertical;}
.btn-submit{background:var(--p);color:var(--white);padding:14px;width:100%;border-radius:var(--radius);font-weight:700;font-size:.9rem;border:none;cursor:pointer;transition:background var(--trans);}
.btn-submit:hover{background:var(--a);}
.form-success{display:none;padding:12px;margin-top:12px;background:rgba(13,36,97,.07);border-left:3px solid var(--a);color:var(--p);font-weight:600;font-size:.88rem;}
.form-success.show{display:block;}

/* ── FOOTER ── */
.footer{background:var(--p2);padding:60px 0 0;}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.07);}
.footer-brand img{height:38px;margin-bottom:14px;}
.footer-brand p{font-size:.84rem;color:rgba(255,255,255,.4);line-height:1.65;max-width:260px;}
.footer-links h5{font-size:.68rem;font-weight:700;color:rgba(255,255,255,.3);letter-spacing:3px;text-transform:uppercase;margin-bottom:14px;}
.footer-links a{display:block;font-size:.85rem;color:rgba(255,255,255,.5);margin-bottom:10px;transition:color var(--trans);}
.footer-links a:hover{color:var(--silver);}
.footer-bottom{padding:20px 0;text-align:center;}
.footer-bottom p{font-size:.78rem;color:rgba(255,255,255,.25);}

/* ── ANIMATIONS ── */
[data-aos]{opacity:0;transform:translateY(14px);}
[data-aos].visible{opacity:1;transform:none;transition:opacity .55s,transform .55s;}

/* ── RESPONSIVE ── */
@media(max-width:1100px){
  .hero{grid-template-columns:1fr;}
  .hero-img-col{display:none;}
  .hero-panel{padding:140px 40px 120px;}
  .hero-panel::after{display:none;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .difs-grid{grid-template-columns:1fr;}
  .zigzag{max-width:600px;}
  .zz-step,.zz-step.right{grid-template-columns:1fr;grid-template-rows:auto;}
  .zz-empty{display:none;}
  .zz-step .zz-mid{flex-direction:row;justify-content:flex-start;gap:16px;padding:0 16px;}
  .zz-line{width:40px;height:2px;min-height:unset;}
  .zz-step.right .zz-text{order:unset;}
  .zz-step.right .zz-mid{order:unset;}
  .contacto-inner{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media(max-width:700px){
  .hero-metrics{grid-template-columns:repeat(2,1fr);}
  .cat-grid{grid-template-columns:1fr 1fr;}
  .marcas-strip{gap:0;}
  .marca-item{padding:8px 20px;font-size:.88rem;}
  .sect-chip{padding:10px 20px;}
  .footer-inner{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
}
@media(max-width:600px){
  .nav{display:none;flex-direction:column;position:absolute;top:72px;left:0;right:0;background:var(--p2);padding:24px 36px;gap:20px;}
  .nav.open{display:flex;}
  .hamburger{display:flex;}
  .cat-grid{grid-template-columns:1fr;}
}