/* MZ Maquinaria de Empaques S.A.S. — hoja de estilos principal */
:root{
  --red:#DC363F;
  --red-dark:#B8232C;
  --red-soft:#FDECEC;
  --black:#1A1718;
  --ink:#17171A;
  --gray-900:#1F1F23;
  --gray-700:#3A3A40;
  --gray-500:#6B6B73;
  --gray-300:#D6D6DB;
  --gray-100:#F4F4F6;
  --white:#FFFFFF;
  --wa:#1FAF55;
  --radius:12px;
  --shadow:0 10px 30px rgba(0,0,0,.12);
  --max:1180px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.6;font-size:1.02rem}
img,svg{max-width:100%;display:block}
a{color:var(--red);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .6em;color:var(--black);letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.6vw,3.3rem);font-weight:800}
h2{font-size:clamp(1.55rem,3vw,2.2rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--red);color:#fff;padding:10px 16px;z-index:1000}
.skip-link:focus{left:10px;top:10px}
:focus-visible{outline:3px solid var(--red);outline-offset:3px}

/* ---------- Encabezado ---------- */
.site-header{position:sticky;top:0;z-index:100;background:var(--black);border-bottom:3px solid var(--red)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}
.brand:hover{text-decoration:none}
.brand img,.brand svg{width:48px;height:48px;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:1.02rem;letter-spacing:.02em}
.brand-text span{font-size:.72rem;color:#bdbdc4;letter-spacing:.08em;text-transform:uppercase}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:6px;align-items:center}
.main-nav a{color:#e9e9ee;padding:10px 14px;border-radius:8px;font-weight:600;font-size:.96rem;display:block}
.main-nav a:hover{background:#1d1d22;text-decoration:none;color:#fff}
.main-nav a[aria-current="page"]{color:#fff;box-shadow:inset 0 -3px 0 var(--red)}
.main-nav .nav-cta{background:var(--red-dark);color:#fff;margin-left:8px}
.main-nav .nav-cta:hover{background:var(--red-dark)}
.nav-toggle{display:none;background:none;border:0;color:#fff;padding:8px;cursor:pointer}
.nav-toggle svg{width:30px;height:30px}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:10px;font-weight:700;font-size:1rem;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s,border-color .15s;text-decoration:none;line-height:1.2}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn svg{width:20px;height:20px;flex:none}
.btn-primary{background:var(--red-dark);color:#fff}
.btn-primary:hover{background:var(--red-dark)}
.btn-outline{border-color:#fff;color:#fff}
.btn-outline:hover{background:#fff;color:var(--black)}
.btn-dark{background:var(--black);color:#fff}
.btn-dark:hover{background:var(--gray-900)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{background:#178f45}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--black);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(800px 400px at 85% 20%,rgba(220,54,63,.35),transparent 60%),
  repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 2px,transparent 2px 22px)}
.hero .container{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding-top:84px;padding-bottom:90px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--red);background:rgba(220,54,63,.12);border:1px solid rgba(220,54,63,.45);padding:6px 12px;border-radius:99px;margin-bottom:18px}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;color:var(--red)}
.hero .lead{font-size:1.15rem;color:#d4d4da;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-art{justify-self:center;width:100%;max-width:420px}
.hero-stats{display:flex;flex-wrap:wrap;gap:30px;margin-top:40px;padding-top:26px;border-top:1px solid #2a2a30}
.hero-stats div{min-width:120px}
.hero-stats strong{display:block;font-size:1.9rem;color:#fff;line-height:1}
.hero-stats span{font-size:.86rem;color:#a9a9b1}

/* Hero interno (páginas secundarias) */
.page-hero{background:var(--black);color:#fff;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 300px at 90% 0%,rgba(220,54,63,.35),transparent 60%)}
.page-hero .container{position:relative;padding-top:64px;padding-bottom:64px}
.page-hero h1{color:#fff;margin-bottom:.3em}
.page-hero p{color:#cfcfd6;font-size:1.12rem;max-width:720px;margin:0}
.breadcrumb{font-size:.85rem;color:#9d9da5;margin-bottom:14px}
.breadcrumb a{color:#d9d9de}
.breadcrumb span[aria-hidden]{margin:0 8px}

/* ---------- Secciones ---------- */
.section{padding:84px 0}
.section-alt{background:var(--gray-100)}
.section-dark{background:var(--black);color:#e6e6ea}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{display:block;color:var(--red);font-weight:800;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px}
.section-head p{color:var(--gray-500);font-size:1.08rem}
.section-dark .section-head p{color:#b9b9c1}

.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{background:#fff;border:1px solid var(--gray-300);border-radius:var(--radius);padding:28px;transition:box-shadow .2s,transform .2s,border-color .2s;height:100%}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:transparent}
.card .icon{width:54px;height:54px;border-radius:12px;background:var(--red-soft);color:var(--red);display:grid;place-items:center;margin-bottom:18px}
.card .icon svg{width:28px;height:28px}
.card p{color:var(--gray-700);margin-bottom:.8em}
.card .more{font-weight:700;font-size:.95rem}
.section-dark .card{background:var(--gray-900);border-color:#2c2c33}
.section-dark .card p{color:#b9b9c1}
.section-dark .card .icon{background:rgba(220,54,63,.16)}

.feature{display:flex;gap:18px;align-items:flex-start}
.feature .num{flex:none;width:44px;height:44px;border-radius:50%;background:var(--red);color:#fff;font-weight:800;display:grid;place-items:center}
.feature h3{margin-bottom:.3em}
.feature p{color:var(--gray-700);margin:0}
.section-dark .feature p{color:#b9b9c1}

.tags{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.tags li{background:#fff;border:1px solid var(--gray-300);border-radius:99px;padding:8px 16px;font-weight:600;font-size:.95rem}
.tags li::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--red);margin-right:8px;vertical-align:middle}

.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.check-list{list-style:none;padding:0;margin:0 0 1.2em}
.check-list li{position:relative;padding-left:32px;margin-bottom:12px}
.check-list li::before{content:"";position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:50%;background:var(--red) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat}

/* Panel destacado */
.panel{background:var(--black);color:#e6e6ea;border-radius:16px;padding:40px;position:relative;overflow:hidden}
.panel::after{content:"";position:absolute;right:-60px;bottom:-60px;width:220px;height:220px;border-radius:50%;border:34px solid rgba(220,54,63,.35)}
.panel h3{color:#fff;font-size:1.5rem}
.panel p{color:#c3c3ca}

/* Línea de tiempo */
.timeline{position:relative;list-style:none;margin:0;padding:0 0 0 34px}
.timeline::before{content:"";position:absolute;left:10px;top:6px;bottom:6px;width:3px;background:linear-gradient(var(--red),var(--black))}
.timeline li{position:relative;margin-bottom:34px}
.timeline li::before{content:"";position:absolute;left:-31px;top:6px;width:17px;height:17px;border-radius:50%;background:#fff;border:4px solid var(--red)}
.timeline .when{display:inline-block;font-weight:800;color:var(--red);font-size:.9rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:4px}
.timeline h3{margin-bottom:.3em}
.timeline p{color:var(--gray-700);margin:0}

/* Servicios detallados */
.service-block{display:grid;grid-template-columns:80px 1fr;gap:26px;padding:36px 0;border-bottom:1px solid var(--gray-300);scroll-margin-top:90px}
.service-block:last-child{border-bottom:0}
.service-block .icon{width:72px;height:72px;border-radius:16px;background:var(--black);color:var(--red);display:grid;place-items:center}
.service-block .icon svg{width:36px;height:36px}
.service-block ul{margin:.4em 0 0;padding-left:1.2em;color:var(--gray-700)}
.service-block li{margin-bottom:6px}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--gray-300);border-radius:10px;margin-bottom:12px;padding:0 22px}
.faq summary{cursor:pointer;font-weight:700;padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--red);font-size:1.5rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--gray-700);padding-bottom:18px;margin:0}

/* CTA */
.cta-band{background:linear-gradient(120deg,var(--red-dark),var(--red));color:#fff}
.cta-band .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding-top:56px;padding-bottom:56px}
.cta-band h2{color:#fff;margin:0 0 .2em}
.cta-band p{margin:0;color:#ffe3e3;font-size:1.08rem}
.cta-band .btn-dark{border-color:var(--black)}

/* Contacto */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.contact-card{background:var(--black);color:#e6e6ea;border-radius:16px;padding:36px}
.contact-card h2{color:#fff;font-size:1.6rem}
.contact-card .phone{display:flex;align-items:center;gap:12px;font-size:1.5rem;font-weight:800;color:#fff;margin:18px 0 24px}
.contact-card .phone svg{width:30px;height:30px;color:var(--wa)}
.contact-card ul{padding-left:1.1em;color:#c3c3ca}
form.wa-form{background:#fff;border:1px solid var(--gray-300);border-radius:16px;padding:32px}
.field{margin-bottom:18px}
.field label{display:block;font-weight:700;margin-bottom:6px;font-size:.95rem}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--gray-300);border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--red);outline:none;box-shadow:0 0 0 3px rgba(220,54,63,.15)}
.field textarea{min-height:120px;resize:vertical}
.form-note{font-size:.85rem;color:var(--gray-500);margin-top:12px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ---------- Pie ---------- */
.site-footer{background:var(--black);color:#b9b9c1;padding:60px 0 24px;border-top:3px solid var(--red)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px}
.site-footer h2{color:#fff;font-size:1rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:8px}
.site-footer a{color:#e0e0e5}
.site-footer .brand{margin-bottom:14px}
.footer-bottom{border-top:1px solid #26262c;padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:.86rem}

/* Botón flotante WhatsApp */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:200;width:60px;height:60px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.3);transition:transform .15s}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:32px;height:32px}

/* 404 */
.notfound{min-height:60vh;display:grid;place-items:center;text-align:center}
.notfound .code{font-size:6rem;font-weight:900;color:var(--red);line-height:1}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero .container{grid-template-columns:1fr;padding-top:60px;padding-bottom:64px}
  .hero-art{max-width:300px;order:-1}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .split,.contact-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav-toggle{display:block}
  .main-nav{position:absolute;top:75px;left:0;right:0;background:var(--black);border-bottom:3px solid var(--red);display:none}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;padding:10px 16px 18px;gap:2px}
  .main-nav a{padding:14px}
  .main-nav a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--red)}
  .main-nav .nav-cta{margin:8px 0 0;text-align:center}
}
@media (max-width:620px){
  body{font-size:1rem}
  .hero-art{display:none}
  .section{padding:60px 0}
  .container{padding:0 16px}
  .grid-2,.grid-3,.grid-4,.field-row,.footer-grid{grid-template-columns:1fr}
  .service-block{grid-template-columns:1fr;gap:14px}
  .hero-actions .btn{width:100%;justify-content:center}
  .panel,.contact-card,form.wa-form{padding:26px}
  .brand-text span{display:none}
  .cta-band .btn{width:100%;justify-content:center}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ===== v2: fotografías ===== */
.hero-photo .container{grid-template-columns:1.1fr .9fr}
.hero-media{margin:0;justify-self:end;width:100%;max-width:440px;aspect-ratio:4/5;border-radius:14px;overflow:hidden;box-shadow:0 30px 60px rgba(0,0,0,.45);border:3px solid var(--red);position:relative}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:50% 30%}
.hero-stats strong{font-size:1.5rem}
.eq-card{background:#fff;border:1px solid var(--gray-300);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;height:100%}
.eq-img{aspect-ratio:3/2;overflow:hidden;background:var(--gray-100)}
.eq-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.eq-card:hover .eq-img img{transform:scale(1.04)}
.eq-body{padding:22px 24px 26px;border-top:4px solid var(--red)}
.eq-body ul,.dash-list{list-style:none;padding:0;margin:0}
.eq-body li,.dash-list li{padding:7px 0;border-bottom:1px solid var(--gray-100);color:var(--gray-700)}
.eq-body li:last-child,.dash-list li:last-child{border-bottom:0}
.dash-list li::before{content:"";display:inline-block;width:10px;height:2px;background:var(--red);margin-right:10px;vertical-align:middle}
.photo-frame{margin:0;border-radius:14px;overflow:hidden;background:#000;position:relative}
.photo-frame img{width:100%;height:auto;display:block}
.photo-frame figcaption{padding:12px 16px;font-size:.9rem;color:#c3c3ca;background:#141213}
.photo-frame.light{background:#fff;border:1px solid var(--gray-300)}
.photo-frame.light figcaption{background:var(--gray-100);color:var(--gray-500)}
.photo-frame.alliance{background:var(--gray-100);display:flex;align-items:center;justify-content:center;gap:28px;padding:48px 30px;flex-wrap:wrap}
.photo-frame.alliance img{width:auto;max-height:130px;max-width:240px}
.photo-frame.alliance span{font-size:2.4rem;font-weight:800;color:var(--red)}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.g-item{margin:0;position:relative;border-radius:10px;overflow:hidden;background:#000;aspect-ratio:1/1}
.g-item a{display:block;width:100%;height:100%}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s,opacity .3s}
.g-item a:hover img{transform:scale(1.05);opacity:.85}
.g-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 12px 10px;font-size:.84rem;font-weight:600;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.78));pointer-events:none}
.service-list{margin-top:34px;display:flex;flex-direction:column;gap:56px}
.service-row{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:center;scroll-margin-top:96px}
.service-row:nth-child(even) .sr-media{order:2}
.sr-media{border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:var(--gray-100)}
.sr-media img{width:100%;height:100%;object-fit:cover}
#ingenieria .sr-media img{object-fit:contain;background:#fff}
.sr-body .icon{width:54px;height:54px;border-radius:12px;background:var(--black);color:var(--red);display:grid;place-items:center;margin-bottom:16px}
.sr-body .icon svg{width:28px;height:28px}
.sr-body p{color:var(--gray-700)}
.small-note{font-size:.9rem;color:#a9a9b1;margin-top:14px}
.lightbox{border:0;padding:0;background:transparent;max-width:min(94vw,1200px);max-height:92vh;overflow:visible}
.lightbox::backdrop{background:rgba(10,9,9,.9)}
.lightbox img{max-width:min(94vw,1200px);max-height:82vh;width:auto;height:auto;border-radius:8px;display:block;margin:0 auto}
.lightbox p{color:#e6e6ea;text-align:center;margin:12px 0 0}
.lb-close{position:absolute;top:-48px;right:0;background:var(--red-dark);color:#fff;border:0;border-radius:50%;width:40px;height:40px;display:grid;place-items:center;cursor:pointer}
.lb-close svg{width:22px;height:22px}
@media (max-width:980px){
  .hero-photo .container{grid-template-columns:1fr}
  .hero-media{justify-self:center;max-width:360px;order:0}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .service-row{grid-template-columns:1fr;gap:24px}
  .service-row:nth-child(even) .sr-media{order:0}
}
@media (max-width:620px){
  .hero-media{max-width:100%;aspect-ratio:4/3}
  .gallery{grid-template-columns:repeat(2,1fr);gap:10px}
  .g-item figcaption{font-size:.75rem}
}