/* ==========================================================================
   SOLFRIO CHILE — sistema de diseño
   ========================================================================== */
:root{
  --accent:#0094E8;
  --accent-deep:#0070C0;
  --accent-soft:#E3F2FD;
  --ink:#041E4A;
  --ink-2:#0A2D6B;
  --text:#1E2B3A;
  --muted:#5B6B7C;
  --base:#F4F7FA;
  --white:#FFFFFF;
  --line:#DCE4EC;
  --line-strong:#C3CFDB;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 10px 30px rgba(4,30,74,.08);
  --shadow-lg:0 24px 60px rgba(4,30,74,.16);
  --container:1250px;
  --gap:28px;
  --font-head:"Geist",system-ui,sans-serif;
  --font-body:"Geist",system-ui,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html,body{overflow-x:clip}
body{margin:0;font-family:var(--font-body);font-size:1rem;line-height:1.65;color:var(--text);background:var(--white);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-deep);text-decoration:none}
h1,h2,h3,h4,h5{font-family:var(--font-head);color:var(--ink);line-height:1.15;margin:0 0 .5em;letter-spacing:-.015em;font-weight:700}
h1{font-size:clamp(2rem,4.2vw,3.4rem);letter-spacing:-.025em}
h2{font-size:clamp(1.65rem,3vw,2.5rem);letter-spacing:-.02em}
h3{font-size:1.25rem}
h4{font-size:1.05rem}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
strong{font-weight:600}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section{padding-block:clamp(64px,8vw,104px)}
.section--tight{padding-block:clamp(48px,6vw,72px)}
.section--base{background:var(--base)}
.section-head{max-width:720px;margin-bottom:clamp(32px,4vw,52px)}
.section-head--center{margin-inline:auto;text-align:center}
.section-head p{color:var(--muted);font-size:1.05rem}
.eyebrow{display:block;font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-deep);margin-bottom:10px}
.lead{font-size:1.12rem;color:var(--muted)}
.accent{color:var(--accent)}

/* texto claro sobre fondo oscuro / imagen — regla obligatoria */
.hero,.page-hero,.cta,.section--dark{color:#fff}
.hero h1,.hero h2,.hero h3,.hero h4,
.page-hero h1,.page-hero h2,.page-hero h3,.page-hero h4,
.cta h1,.cta h2,.cta h3,.cta h4,
.section--dark h1,.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}
.hero p,.page-hero p,.cta p,.section--dark p{color:rgba(255,255,255,.82)}
.hero .eyebrow,.page-hero .eyebrow,.cta .eyebrow,.section--dark .eyebrow{color:#5BC0FF}
.section--dark .section-head p{color:rgba(255,255,255,.78)}

/* ---------- botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;font-size:.95rem;line-height:1;border:1.5px solid transparent;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);font-family:inherit;white-space:nowrap}
.btn svg{width:18px;height:18px;flex:none}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,148,232,.32)}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--ink)}
.btn--ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.hero .btn--ghost,.page-hero .btn--ghost,.cta .btn--ghost,.section--dark .btn--ghost{border-color:rgba(255,255,255,.45);color:#fff}
.hero .btn--ghost:hover,.cta .btn--ghost:hover,.section--dark .btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn--sm{padding:9px 16px;font-size:.86rem}
.btn--wa{background:#25D366;color:#fff}
.btn--wa:hover{background:#1DB957;color:#fff;transform:translateY(-2px)}

/* ---------- header ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:90;background:#fff;box-shadow:0 1px 0 var(--line);transition:box-shadow .3s var(--ease),padding .3s var(--ease);padding-block:14px}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:24px}
.site-header .nav{flex:1;justify-content:center}
.site-header .nav__cta--desktop{position:absolute;right:24px;top:50%;transform:translateY(-50%)}
.site-header .container{position:relative}
.brand{display:block;flex:none}
.brand img{height:75px;width:auto;transition:height .3s var(--ease)}
.brand .logo-dark{display:none}
.site-header.is-scrolled{box-shadow:0 1px 0 var(--line),0 8px 24px rgba(4,30,74,.06);padding-block:8px}
.site-header.is-scrolled .brand img{height:64px}
.site-header.is-scrolled .brand .logo-light,.site-header.is-light .brand .logo-light{display:none}
.site-header.is-scrolled .brand .logo-dark,.site-header.is-light .brand .logo-dark{display:block}
.nav{display:flex;align-items:center;gap:6px}
.nav__list{display:flex;align-items:center;gap:14px}
.nav__list a{display:block;padding:9px 14px;border-radius:999px;color:#fff;font-weight:500;font-size:.95rem;transition:background .2s var(--ease),color .2s var(--ease)}
.nav__list a:hover{background:rgba(255,255,255,.12)}
.nav__list a.is-active{background:rgba(255,255,255,.16)}
.site-header.is-scrolled .nav__list a,.site-header.is-light .nav__list a{color:var(--ink)}
.site-header.is-scrolled .nav__list a:hover,.site-header.is-light .nav__list a:hover{background:var(--base)}
.site-header.is-scrolled .nav__list a.is-active,.site-header.is-light .nav__list a.is-active{background:var(--accent-soft);color:var(--accent-deep)}
.nav__cta{margin-left:12px}
.nav__cta--mobile{display:none}
.burger{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;padding:10px;border-radius:10px;color:#fff}
.site-header.is-scrolled .burger,.site-header.is-light .burger{color:var(--ink)}
.burger span{display:block;height:2px;background:currentColor;border-radius:2px;margin:5px 0;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-backdrop{position:fixed;inset:0;background:rgba(4,30,74,.55);z-index:70;opacity:0;pointer-events:none;transition:opacity .3s var(--ease)}
.nav-backdrop.is-open{opacity:1;pointer-events:auto}

/* ---------- hero ---------- */
.hero{position:relative;isolation:isolate;background:var(--ink);overflow:hidden;min-height:clamp(600px,86vh,860px);display:flex;align-items:center;padding-block:170px 100px;margin-top:0}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(4,30,74,.92) 0%,rgba(4,30,74,.78) 45%,rgba(4,30,74,.35) 100%)}
.hero__content{max-width:680px}
.hero .eyebrow{margin-bottom:7px}
.hero h1{margin-top:15px;margin-bottom:20px}
.hero .lead{color:rgba(255,255,255,.84);font-size:1.15rem;max-width:560px}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);font-size:.86rem;color:#fff;backdrop-filter:blur(6px)}
.badge svg{width:16px;height:16px;color:#5BC0FF;flex:none}

/* ---------- page-hero ---------- */
.page-hero{position:relative;isolation:isolate;background:var(--ink);overflow:hidden;padding-block:170px 88px}
.page-hero__bg{position:absolute;inset:0;z-index:-2}
.page-hero__bg img{width:100%;height:100%;object-fit:cover}
.page-hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(4,30,74,.86) 0%,rgba(4,30,74,.72) 100%)}
.page-hero__content{max-width:760px}
.page-hero .eyebrow{margin-bottom:7px}
.page-hero h1{margin-top:15px;margin-bottom:14px}
.page-hero .lead{color:rgba(255,255,255,.82);max-width:640px;margin:0}

/* ---------- líneas de negocio (home) ---------- */
.lines{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.line-card{position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:440px;border-radius:var(--radius);overflow:hidden;background:var(--ink);color:#fff;isolation:isolate}
.line-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .8s var(--ease)}
.line-card::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(4,30,74,.05) 0%,rgba(4,30,74,.55) 55%,rgba(4,30,74,.94) 100%)}
.line-card:hover img{transform:scale(1.05)}
.line-card__body{padding:32px}
.line-card h3{color:#fff;font-size:1.6rem;margin-bottom:8px}
.line-card p{color:rgba(255,255,255,.82);max-width:420px;margin-bottom:18px}
.line-card .eyebrow{color:#5BC0FF}

/* ---------- tarjetas de servicio / features ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap)}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.card__icon{width:52px;height:52px;border-radius:12px;background:var(--accent-soft);color:var(--accent-deep);display:grid;place-items:center;margin-bottom:18px}
.card__icon svg{width:26px;height:26px}
.card h3{font-size:1.15rem;margin-bottom:8px}
.card p{color:var(--muted);margin:0;font-size:.97rem}
.section--dark .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);backdrop-filter:blur(4px)}
.section--dark .card:hover{background:rgba(255,255,255,.1)}
.section--dark .card__icon{background:rgba(91,192,255,.16);color:#5BC0FF}
.section--dark .card p{color:rgba(255,255,255,.78)}

/* ---------- split (media + texto) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.split--rev>.split__media{order:2}
.split__media{position:relative}
.split__media img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;aspect-ratio:4/3;object-fit:cover}
.split__media--sq img{aspect-ratio:1}
.split__note{position:absolute;left:-18px;bottom:-18px;background:var(--white);border-radius:12px;padding:16px 20px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:14px;max-width:290px}
.split__note svg{width:30px;height:30px;color:var(--accent);flex:none}
.split__note strong{display:block;color:var(--ink);font-size:.98rem;line-height:1.2}
.split__note span{color:var(--muted);font-size:.85rem}
.checklist li{position:relative;padding-left:32px;margin-bottom:12px;color:var(--text)}
.checklist li::before{content:"";position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:50%;background:var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230070C0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/11px no-repeat}
.section--dark .checklist li{color:rgba(255,255,255,.86)}
.section--dark .checklist li::before{background-color:rgba(91,192,255,.18);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235BC0FF' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E")}

/* ---------- sección oscura con foto ---------- */
.section--dark{position:relative;isolation:isolate;background:var(--ink);overflow:hidden}
.section--dark .section__bg{position:absolute;inset:0;z-index:-2}
.section--dark .section__bg img{width:100%;height:100%;object-fit:cover}
.section--dark::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(4,30,74,.88) 0%,rgba(4,30,74,.86) 100%)}
.section--plano::after{display:none}

/* ---------- pasos / proceso ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);counter-reset:step}
.step{position:relative;padding:28px 24px 24px;border-radius:var(--radius);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
.step__num{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--accent);color:#fff;font-weight:700;font-size:1.05rem;margin-bottom:18px;font-family:var(--font-head)}
.step h3{font-size:1.1rem;color:#fff;margin-bottom:6px}
.step p{color:rgba(255,255,255,.78);font-size:.95rem;margin:0}

/* ---------- cifras ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);text-align:center}
.stat strong{display:block;font-family:var(--font-head);font-size:clamp(2rem,4vw,2.8rem);color:#fff;letter-spacing:-.03em;line-height:1}
.stat span{display:block;margin-top:8px;color:rgba(255,255,255,.75);font-size:.92rem}

/* ---------- cita ---------- */
.quote{max-width:860px;margin-inline:auto;text-align:center}
.quote blockquote{margin:0;font-family:var(--font-head);font-size:clamp(1.35rem,2.4vw,1.9rem);line-height:1.35;color:#fff;font-weight:500;letter-spacing:-.01em}
.quote blockquote em{color:#5BC0FF;font-style:normal}
.quote cite{display:block;margin-top:20px;font-style:normal;color:rgba(255,255,255,.7);font-size:.92rem;letter-spacing:.06em;text-transform:uppercase}

/* ---------- catálogo / productos ---------- */
.catalog-nav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:clamp(28px,4vw,44px)}
.catalog-nav a{display:inline-flex;align-items:center;padding:9px 16px;border-radius:999px;border:1px solid var(--line-strong);color:var(--ink);font-size:.9rem;font-weight:500;background:var(--white);transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.catalog-nav a:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.family{padding-block:clamp(40px,5vw,64px);border-top:1px solid var(--line);scroll-margin-top:90px}
.family:first-of-type{border-top:0}
.family__head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:end;margin-bottom:28px}
.family__head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:6px}
.family__head p{color:var(--muted);margin:0;max-width:620px}
.family__note{font-size:.86rem;color:var(--muted);background:var(--base);border-radius:999px;padding:7px 14px;white-space:nowrap}
.family__body{display:grid;grid-template-columns:380px minmax(0,1fr);gap:var(--gap);align-items:start}
.family__media img{border-radius:var(--radius);aspect-ratio:1;object-fit:cover;width:100%;box-shadow:var(--shadow);background:var(--base)}
.products{display:grid;gap:12px}
.product{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:16px 20px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--white);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.product:hover{border-color:var(--accent);box-shadow:0 6px 18px rgba(0,148,232,.12)}
.product__code{display:inline-block;font-size:.74rem;font-weight:600;letter-spacing:.08em;color:var(--accent-deep);background:var(--accent-soft);padding:3px 8px;border-radius:6px;margin-bottom:6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.product__name{font-weight:600;color:var(--ink);font-size:.98rem;line-height:1.35}
.product__meta{color:var(--muted);font-size:.85rem;margin-top:2px}
.product__buy{display:flex;align-items:center;gap:16px}
.product__price{text-align:right}
.product__price strong{display:block;font-family:var(--font-head);font-size:1.15rem;color:var(--ink);letter-spacing:-.01em;line-height:1.1}
.product__price span{font-size:.74rem;color:var(--muted)}
.price-legend{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:.88rem;color:var(--muted);padding:16px 20px;border-radius:var(--radius-sm);background:var(--base);margin-top:8px}
.price-legend li{display:inline-flex;align-items:center;gap:8px}
.price-legend svg{width:16px;height:16px;color:var(--accent);flex:none}

/* ---------- fichas de cámaras ---------- */
.model{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(28px,4vw,56px);align-items:start;scroll-margin-top:90px}
.model+.model{margin-top:clamp(56px,7vw,96px);padding-top:clamp(56px,7vw,96px);border-top:1px solid var(--line)}
.model--rev>.model__media{order:2}
.model__media{position:sticky;top:100px}
.model__media img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;aspect-ratio:4/3;object-fit:cover}
.model__chips{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 22px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;background:var(--base);border:1px solid var(--line);font-size:.84rem;font-weight:500;color:var(--ink)}
.chip svg{width:15px;height:15px;color:var(--accent)}
.spec{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:8px}
.spec details{border-top:1px solid var(--line)}
.spec details:first-child{border-top:0}
.spec summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;font-weight:600;color:var(--ink);font-family:var(--font-head)}
.spec summary::-webkit-details-marker{display:none}
.spec summary::after{content:"";width:10px;height:10px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(45deg);transition:transform .25s var(--ease);flex:none;margin-right:4px}
.spec details[open] summary::after{transform:rotate(-135deg)}
.spec details[open] summary{background:var(--base)}
.spec__body{padding:4px 20px 18px;color:var(--text);font-size:.95rem}
.spec__body li{position:relative;padding-left:18px;margin-bottom:6px}
.spec__body li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.model__offers{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}
.offer{border:1.5px solid var(--line);border-radius:var(--radius);padding:20px;background:var(--white)}
.offer--featured{border-color:var(--accent);background:linear-gradient(180deg,#F2F9FF,#fff)}
.offer h4{font-size:1rem;margin-bottom:6px}
.offer p{font-size:.88rem;color:var(--muted);margin-bottom:14px}
.offer .btn{width:100%}

/* ---------- condiciones / info ---------- */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.info{padding:24px;border-radius:var(--radius);background:var(--white);border:1px solid var(--line)}
.info h3{font-size:1.02rem;display:flex;align-items:center;gap:10px;margin-bottom:10px}
.info h3 svg{width:20px;height:20px;color:var(--accent);flex:none}
.info p,.info li{font-size:.93rem;color:var(--muted);margin:0}
.info li{margin-bottom:6px}

/* ---------- sectores ---------- */
.sectors{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.sector{display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#fff;font-weight:500;font-size:.95rem}
.sector svg{width:22px;height:22px;color:#5BC0FF;flex:none}

/* ---------- valores ---------- */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}

/* ---------- CTA ---------- */
.cta{position:relative;isolation:isolate;background:var(--ink);overflow:hidden;padding-block:clamp(72px,9vw,120px);text-align:center}
.cta__bg{position:absolute;inset:0;z-index:-2}
.cta__bg img{width:100%;height:100%;object-fit:cover}
.cta::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(4,30,74,.88),rgba(4,30,74,.82))}
.cta__content{max-width:720px;margin-inline:auto}
.cta h2{margin-bottom:14px}
.cta p{font-size:1.08rem;margin-bottom:28px}
.cta__actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}

/* ---------- contacto ---------- */
.contact{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,5vw,72px);align-items:start}
.contact-list li{margin-bottom:18px}
.contact-list a,.contact-list .row{display:inline-flex;align-items:flex-start;gap:12px;color:var(--text);line-height:1.45}
.contact-list a:hover{color:var(--accent-deep)}
.contact-list svg{width:20px;height:20px;flex:none;color:var(--accent);margin-top:2px}
.contact-list small{display:block;color:var(--muted);font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:2px}
.form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.86rem;font-weight:600;color:var(--ink);margin-bottom:6px}
.field input,.field textarea{width:100%;font:inherit;padding:12px 14px;border:1px solid var(--line-strong);border-radius:10px;background:var(--white);color:var(--text);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,148,232,.18)}
.field textarea{min-height:140px;resize:vertical}
.form-alert{display:none;padding:14px 16px;border-radius:10px;margin-bottom:18px;font-size:.95rem;font-weight:500}
.form-alert.is-ok{display:block;background:#E6F7EC;color:#166534;border:1px solid #B7E4C7}
.form-alert.is-err{display:block;background:#FDECEC;color:#991B1B;border:1px solid #F5C2C2}
.map{margin-top:clamp(48px,6vw,72px);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.map iframe{display:block;width:100%;height:400px;border:0}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.8);padding-block:clamp(52px,6vw,74px) 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:var(--gap)}
.footer-brand img{height:60px;width:auto;margin-bottom:18px}
.footer-brand p{font-size:.93rem;color:rgba(255,255,255,.72);max-width:340px}
.site-footer h4{color:#fff;font-size:.9rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px}
.site-footer ul li{margin-bottom:10px}
.site-footer a{color:rgba(255,255,255,.8);transition:color .2s var(--ease)}
.site-footer a:hover{color:#fff}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:.93rem}
.footer-contact li a{display:inline-flex;align-items:flex-start;gap:10px}
.footer-contact svg{width:18px;height:18px;flex:none;color:#5BC0FF;margin-top:3px}
.footer-credit{margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);text-align:center;font-size:.8rem;color:rgba(255,255,255,.6)}
.footer-credit a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
.footer-credit a:hover{color:rgba(255,255,255,.92)}

/* ---------- WhatsApp flotante ---------- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:56px;height:56px;border-radius:50%;background:#25D366;display:grid;place-items:center;color:#fff;box-shadow:0 10px 26px rgba(37,211,102,.4);transition:transform .25s var(--ease)}
.wa-float:hover{transform:scale(1.07);color:#fff}
.wa-float svg{width:28px;height:28px}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease);animation:reveal-failsafe 0s linear 3s forwards}
@keyframes reveal-failsafe{to{opacity:1;transform:none}}
.reveal.is-visible{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.1s}
.reveal[data-delay="2"]{transition-delay:.2s}
.reveal[data-delay="3"]{transition-delay:.3s}
.reveal[data-delay="4"]{transition-delay:.4s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .grid-4,.steps,.stats{grid-template-columns:repeat(2,1fr)}
  .grid-3,.info-grid,.values{grid-template-columns:repeat(2,1fr)}
  .sectors{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .family__body{grid-template-columns:300px minmax(0,1fr)}
  .model__media{position:static}
}
@media (max-width:880px){
  .burger{display:block}
  .nav{position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);background:var(--white);flex-direction:column;align-items:stretch;justify-content:flex-start;padding:96px 24px 32px;transform:translateX(100%);visibility:hidden;transition:transform .4s var(--ease),visibility 0s .4s;box-shadow:-20px 0 60px rgba(4,30,74,.2);overflow-y:auto}
  .nav.is-open{transform:none;visibility:visible;transition:transform .4s var(--ease),visibility 0s}
  .nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .nav__list a,.site-header.is-scrolled .nav__list a{color:var(--ink);padding:13px 14px;border-radius:10px;font-size:1.05rem}
  .nav__list a.is-active,.site-header.is-scrolled .nav__list a.is-active{background:var(--accent-soft);color:var(--accent-deep)}
  .nav__cta--desktop{display:none}
  .nav__cta--mobile{display:inline-flex;margin:18px 0 0}
  .site-header.menu-open{box-shadow:none}
  .site-header .nav__cta--desktop{position:static;transform:none}
  .site-header.menu-open .burger{color:var(--ink)}
  .hero{min-height:0;padding-block:140px 80px}
  .hero::after{background:linear-gradient(180deg,rgba(4,30,74,.9),rgba(4,30,74,.8))}
  .lines,.split,.split--rev,.contact,.model,.grid-2{grid-template-columns:1fr}
  .split--rev>.split__media,.model--rev>.model__media{order:0}
  .split__note{left:12px;bottom:-14px}
  .line-card{min-height:340px}
  .family__body{grid-template-columns:1fr}
  .family__media img{aspect-ratio:16/9;max-height:320px}
  .family__head{grid-template-columns:1fr}
  .page-hero{padding-block:140px 64px}
  .map iframe{height:320px}
  .form{padding:24px}
}
@media (max-width:560px){
  .grid-4,.grid-3,.steps,.stats,.info-grid,.values,.sectors,.footer-grid,.form__row,.model__offers{grid-template-columns:1fr}
  h1{font-size:2rem}
  h2{font-size:1.6rem}
  .hero .lead{font-size:1.02rem}
  .btn{padding:11px 18px;font-size:.9rem}
  .hero__actions .btn,.cta__actions .btn{width:100%}
  .product{grid-template-columns:1fr}
  .product__buy{justify-content:space-between}
  .product__price{text-align:left}
  .line-card__body{padding:24px}
  .brand img{height:60px}
  .site-header.is-scrolled .brand img{height:55px}
  .wa-float{right:14px;bottom:14px;width:52px;height:52px}
}