/* Ralph Installatietechniek – huisstijl */
:root{
  --black:#111111; --red:#E8140A; --blue:#2668F5; --green:#5DB80A; --lblue:#5CD8F5;
  --text:#1a1a1a; --muted:#5b616b; --line:#e3e5e9; --grey:#f4f5f7; --white:#fff;
  --radius:16px; --shadow:0 1px 2px rgba(0,0,0,.05),0 8px 24px rgba(0,0,0,.06);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--white);font-size:17px;line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;color:var(--black);letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,6.5vw,3.8rem);font-weight:850}
h2{font-size:clamp(1.7rem,4vw,2.5rem);font-weight:800}
h3{font-size:1.2rem;font-weight:750}
p{margin:0 0 1em}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;background:var(--black);color:#fff;padding:10px 14px;border-radius:8px;z-index:100;text-decoration:none}
.skip:focus{top:12px}
.wrap{width:min(1160px,100% - 40px);margin-inline:auto}
.narrow{width:min(820px,100% - 40px)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(10px);-webkit-backdrop-filter:saturate(180%) blur(10px)}
.header-row{display:flex;align-items:center;justify-content:space-between;min-height:var(--header-h);gap:16px}
.brand img{width:170px;height:auto}
.brandbar{display:flex;height:4px}.brandbar span{flex:1}
.brandbar span:nth-child(1){background:var(--red)}.brandbar span:nth-child(2){background:var(--blue)}
.brandbar span:nth-child(3){background:var(--green)}.brandbar span:nth-child(4){background:var(--lblue)}
.site-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
.site-nav a{display:block;padding:10px 12px;border-radius:10px;color:var(--black);text-decoration:none;font-weight:600;font-size:.98rem}
.site-nav a:hover{background:var(--grey)}
.site-nav a.nav-cta{background:var(--black);color:#fff;margin-left:6px}
.site-nav a.nav-cta:hover{background:#000}
.menu-toggle{display:none;width:48px;height:48px;border:0;background:transparent;border-radius:12px;cursor:pointer;position:relative}
.menu-toggle .bars,.menu-toggle .bars::before,.menu-toggle .bars::after{position:absolute;left:12px;width:24px;height:2.5px;background:var(--black);border-radius:2px;content:"";transition:transform .2s,opacity .2s}
.menu-toggle .bars{top:23px}.menu-toggle .bars::before{left:0;top:-8px}.menu-toggle .bars::after{left:0;top:8px}
.menu-toggle[aria-expanded="true"] .bars{background:transparent}
.menu-toggle[aria-expanded="true"] .bars::before{transform:translateY(8px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] .bars::after{transform:translateY(-8px) rotate(-45deg)}
@media (max-width:899px){
  .brand img{width:150px}
  .menu-toggle{display:block}
  .site-nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(0,0,0,.08);display:none}
  .site-nav.open{display:block}
  .site-nav ul{flex-direction:column;align-items:stretch;padding:8px 16px 16px;gap:2px}
  .site-nav a{padding:14px 12px;font-size:1.05rem}
  .site-nav a.nav-cta{margin:8px 0 0;text-align:center}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:14px 24px;border-radius:14px;font-weight:700;font-size:1.05rem;text-decoration:none;transition:transform .15s,box-shadow .15s,background .15s;border:2px solid transparent}
.btn svg{width:22px;height:22px;fill:currentColor}
.btn:hover{transform:translateY(-1px)}
.btn-red{background:var(--red);color:#fff;box-shadow:0 6px 18px rgba(232,20,10,.28)}
.btn-red:hover{background:#cf1108}
.btn-outline{background:transparent;color:#fff;border-color:#fff}
.btn-outline:hover{background:#fff;color:var(--black)}

/* hero */
.hero{background:var(--black);color:#e9eaec;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:auto -10% -40% auto;width:60vw;height:60vw;max-width:700px;max-height:700px;border-radius:50%;
  background:radial-gradient(circle,rgba(38,104,245,.28),rgba(38,104,245,0) 65%);pointer-events:none}
.hero-grid{display:grid;gap:36px;padding:48px 0 56px;position:relative}
.hero h1{color:#fff}
.hero .accent{color:var(--red)}
.eyebrow{font-size:.85rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--red);margin:0 0 .7em}
.hero .eyebrow{color:var(--lblue)}
.lead{font-size:1.15rem;color:#c9ccd2;max-width:36em}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 22px}
.cta-row .btn{flex:1 1 200px}
.hero-points{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px 20px;color:#c9ccd2;font-size:.95rem}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--green)}
.area{display:flex;align-items:center;gap:8px;margin:18px 0 0;color:#fff;font-weight:600;font-size:.98rem}
.area svg{flex:0 0 20px;width:20px;height:20px;fill:var(--green)}
.hero-points li:nth-child(2)::before{background:var(--lblue)}.hero-points li:nth-child(3)::before{background:var(--red)}
.hero-media{margin:0;position:relative}
.hero-media img{border-radius:22px;aspect-ratio:1/1;object-fit:cover;width:100%;box-shadow:0 20px 50px rgba(0,0,0,.45)}
.hero-media figcaption{font-size:.85rem;color:#9aa0a8;margin-top:10px}
@media (min-width:900px){
  .hero-grid{grid-template-columns:1.15fr .85fr;align-items:center;padding:80px 0 88px;gap:56px}
  .cta-row .btn{flex:0 0 auto}
}

/* sections */
.section{padding:72px 0}
.section-grey{background:var(--grey)}
.section-dark{background:var(--black);color:#d7dade}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{max-width:720px;margin-bottom:36px}
.section-head p:last-child{color:var(--muted);font-size:1.08rem}
.section-dark .section-head p:last-child{color:#b6bac1}
@media (max-width:599px){.section{padding:56px 0}}

/* cards */
.cards{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:640px){.cards{grid-template-columns:1fr 1fr}}
@media (min-width:1000px){.cards{grid-template-columns:repeat(3,1fr)}.card-feature{grid-row:span 2}.card-wide{grid-column:span 2}}
@media (min-width:640px){.cards-2{grid-template-columns:1fr 1fr}}
@media (min-width:1000px){.cards-3{grid-template-columns:repeat(3,1fr)}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.card::after{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--c,var(--red))}
.card p{color:var(--muted);margin-bottom:0}
.card .icon{width:56px;height:56px;margin-bottom:16px;border-radius:50%}
.icon-svg{display:grid;place-items:center;background:var(--c,var(--black))}
.icon-svg svg{width:28px;height:28px;fill:#fff}
.card-feature{background:linear-gradient(180deg,#f3fbe9,#fff 55%)}
.ticks{list-style:none;padding:0;margin:16px 0 0;color:var(--text)}
.ticks li{padding-left:28px;position:relative;margin:8px 0}
.ticks li::before{content:"";position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:50%;background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/14px no-repeat}
.card-dark{background:#1b1c1e;border-color:#2b2d31;box-shadow:none}
.card-dark p{color:#b6bac1}

/* steps */
.steps{list-style:none;padding:0;margin:0;display:grid;gap:18px;grid-template-columns:1fr;counter-reset:s}
@media (min-width:640px){.steps{grid-template-columns:1fr 1fr}}
@media (min-width:1000px){.steps{grid-template-columns:repeat(4,1fr)}}
.steps li{background:var(--grey);border-radius:var(--radius);padding:26px;border-top:5px solid var(--c)}
.steps .num{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--black);color:#fff;font-weight:800;font-size:1.2rem;margin-bottom:14px;box-shadow:0 0 0 4px #fff,0 0 0 6px var(--c)}
.steps p{color:var(--muted);margin:0}

/* galerij */
.gallery{list-style:none;padding:0;margin:0;display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}
@media (min-width:700px){.gallery{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}}
@media (min-width:1000px){.gallery{grid-template-columns:repeat(4,minmax(0,1fr))}}
.g-item{display:block;background:#fff;border-radius:14px;overflow:hidden;box-shadow:var(--shadow);text-decoration:none;color:var(--muted);height:100%;transition:transform .15s,box-shadow .15s}
.g-item:hover{transform:translateY(-2px);box-shadow:0 2px 4px rgba(0,0,0,.06),0 14px 30px rgba(0,0,0,.1)}
.g-item img{width:100%;aspect-ratio:4/5;object-fit:cover;background:#e5e7eb}
.g-cap{display:block;padding:10px 12px 12px;font-size:.88rem;line-height:1.4;hyphens:auto;-webkit-hyphens:auto;overflow-wrap:break-word}
@media (min-width:700px){.g-cap{font-size:.92rem;padding:12px 14px 14px}}
/* lightbox */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(10,10,10,.97);display:flex;align-items:center;justify-content:center;padding:56px 12px 16px;touch-action:pan-y}
.lightbox[hidden]{display:none}
.lb-figure{margin:0;max-width:100%;max-height:100%;display:flex;flex-direction:column;align-items:center}
.lb-img{max-width:min(100%,1400px);max-height:calc(100vh - 140px);max-height:calc(100dvh - 140px);width:auto;height:auto;object-fit:contain;border-radius:8px;background:#222}
.lb-cap{color:#e6e7e9;font-size:.95rem;text-align:center;margin-top:12px;max-width:60ch}
.lb-count{color:#9aa0a8;white-space:nowrap}
.lb-btn{position:absolute;border:0;background:rgba(255,255,255,.12);color:#fff;cursor:pointer;display:grid;place-items:center;border-radius:12px;font-size:2rem;line-height:1}
.lb-btn:hover{background:rgba(255,255,255,.22)}
.lb-close{top:10px;right:10px;width:48px;height:48px}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);width:48px;height:72px}
.lb-prev{left:8px}.lb-next{right:8px}
@media (max-width:699px){.lb-prev,.lb-next{top:auto;bottom:14px;transform:none;height:52px}.lightbox{padding-bottom:76px}.lb-img{max-height:calc(100dvh - 200px)}}
body.lb-open{overflow:hidden}

/* brands */
.brands-section{padding-bottom:64px}
.brand-feature{display:flex;align-items:center;gap:32px;background:#fff;border:1px solid var(--line);border-left:6px solid var(--red);border-radius:16px;box-shadow:var(--shadow);padding:28px 32px;margin-bottom:16px}
.brand-feature-logo{flex:0 0 auto}
.brand-feature-logo img{display:block;width:260px;height:auto}
.brand-feature-text p{margin:0;color:var(--muted)}
.brand-feature-text .brand-feature-title{font-weight:800;font-size:1.2rem;color:var(--black);margin-bottom:4px}
.brand-logos{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.brand-logos li{display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);height:104px;padding:18px 22px}
.brand-logos img{display:block;width:auto;height:auto;max-width:100%;max-height:52px}
.brand-logos img.brand-wide{max-height:30px}
.brand-logos li.brand-captioned{flex-direction:column;gap:8px}
.brand-caption{font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);line-height:1}
@media (max-width:640px){
  .brand-feature{flex-direction:column;align-items:flex-start;gap:16px;padding:22px 20px}
  .brand-feature-logo img{width:200px}
  .brand-logos{grid-template-columns:repeat(2,1fr);gap:12px}
  .brand-logos li{height:88px;padding:14px 16px}
  .brand-logos img{max-height:44px}
  .brand-logos img.brand-wide{max-height:24px}
  .brand-logos li.brand-captioned{gap:7px}
  .brand-logos li.brand-captioned img.brand-wide{max-height:20px}
}

/* faq */
.faq{display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;list-style:none;padding:20px 56px 20px 22px;font-weight:700;font-size:1.06rem;position:relative;color:var(--black)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:22px;top:50%;width:12px;height:12px;border-right:3px solid var(--red);border-bottom:3px solid var(--red);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details p{padding:0 22px 20px;margin:0;color:var(--muted)}

/* contact */
.contact-grid{display:grid;gap:14px;grid-template-columns:1fr}
@media (min-width:700px){.contact-grid{grid-template-columns:1fr 1fr}}
.contact-card{display:flex;align-items:center;gap:16px;background:#1b1c1e;border:1px solid #2b2d31;border-radius:var(--radius);padding:20px;color:#fff;text-decoration:none;min-height:88px;transition:border-color .15s,transform .15s}
a.contact-card:hover{border-color:var(--c);transform:translateY(-1px)}
.ci{flex:0 0 52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--c)}
.ci svg{width:26px;height:26px;fill:#fff}
.cl{display:block;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#9aa0a8}
.cv{display:inline-block;font-size:1.08rem;font-weight:700;overflow-wrap:anywhere}
.cv-mail{font-size:clamp(.9rem,3.9vw,1.08rem)}

/* footer */
.site-footer{background:#fff;border-top:1px solid var(--line)}
.footer-grid{display:grid;gap:28px;padding:40px 0 24px;grid-template-columns:1fr}
@media (min-width:760px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
.footer-logo{width:160px}
.tagline{font-weight:800;margin-top:10px}
.fh{font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:.8em}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:6px 0}
.site-footer a{color:var(--black);text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding:18px 0 28px;font-size:.9rem;color:var(--muted)}
.legal p{margin:0}

/* BRL 100 */
.cert-badge{display:inline-flex;align-items:center;gap:8px;margin:18px 0 0;padding:8px 14px;border:1.5px solid var(--green);border-radius:999px;color:#fff;font-weight:700;font-size:.92rem;background:rgba(93,184,10,.12)}
.cert-badge svg{flex:0 0 18px;width:18px;height:18px;fill:var(--green)}
.card-cert{border-color:#3d5a22}
.cert-label{display:inline-block;margin-top:14px!important;padding:6px 12px;border:1.5px solid var(--green);border-radius:8px;color:#fff!important;font-weight:800;font-size:.9rem;letter-spacing:.03em}

.contact-form{margin-top:22px;background:#1b1c1e;border:1px solid #2b2d31;border-radius:var(--radius);padding:20px;display:grid;gap:12px}
.contact-form h3{margin:0 0 4px}
.contact-form label{display:grid;gap:6px;color:#d7dade;font-weight:600}
.contact-form input,.contact-form textarea{font:inherit;font-size:16px;padding:12px;border-radius:10px;border:1px solid #3a3d42;background:#111;color:#fff;width:100%;box-sizing:border-box}
.contact-form .hp{position:absolute;left:-9999px}