:root{
  --bg:#f4f5f6;
  --surface:#ffffff;
  --text:#111417;
  --muted:#626b72;
  --line:#e2e5e8;
  --accent:#111417;
  --soft:#eceff1;
  --radius:20px;
  --shadow:0 12px 32px rgba(0,0,0,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.55}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 32px));margin:auto}
.header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center}
.brand img{height:60px;width:auto}
.menu{display:flex;align-items:center;gap:24px;font-size:.95rem}
.menu a:not(.btn):hover{opacity:.62}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:999px;font-weight:700;border:1px solid var(--text);transition:.2s}
.btn-dark{background:var(--text);color:#fff}
.btn-light{background:#fff;color:var(--text)}
.btn:hover{transform:translateY(-1px)}
.mobile-menu{display:none;background:none;border:0;font-size:1.6rem}

.hero{background:#fff;padding:52px 0 68px}
.hero-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:46px;align-items:center}
.eyebrow{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;font-weight:800;color:var(--muted)}
h1{font-size:clamp(2.5rem,5vw,5.2rem);line-height:.99;letter-spacing:-.05em;margin:12px 0 22px}
h2{font-size:clamp(1.9rem,3.2vw,3rem);line-height:1.08;letter-spacing:-.035em;margin:0 0 14px}
h3{margin:0 0 8px;font-size:1.12rem}
.lead{font-size:1.15rem;color:var(--muted);max-width:680px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}

.photo-slot{position:relative;overflow:hidden;background:linear-gradient(135deg,#dfe3e6,#f8f9fa);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}
.photo-slot.hero-photo{aspect-ratio:1.16/1}
.photo-slot.banner-photo{aspect-ratio:2.7/1;border-radius:0;box-shadow:none;border-left:0;border-right:0}
.photo-slot.card-photo{aspect-ratio:4/3;border-radius:15px;box-shadow:none;margin-bottom:16px}
.photo-label{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.92);padding:9px 12px;border-radius:999px;font-size:.78rem;font-weight:700;border:1px solid rgba(0,0,0,.06)}
.window-ghost{position:absolute;inset:16% 12%;border:15px solid rgba(255,255,255,.9);box-shadow:0 12px 30px rgba(0,0,0,.08);display:grid;grid-template-columns:1fr 1fr;background:linear-gradient(#cbdce6,#f7fbfd)}
.window-ghost:after{content:"";border-left:6px solid rgba(255,255,255,.9)}

.section{padding:78px 0}
.section.white{background:#fff}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-head p{margin:0;color:var(--muted);max-width:660px}
.material-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:0 5px 18px rgba(0,0,0,.035)}
.card p{color:var(--muted);margin:0}
.material-grid .card{padding:12px 12px 18px}
.material-grid .card h3,.material-grid .card p{padding-left:6px;padding-right:6px}

.ad-band{position:relative}
.ad-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:28px;background:linear-gradient(90deg,rgba(0,0,0,.48),rgba(0,0,0,.18))}
.ad-overlay h2{color:#fff;font-size:clamp(2rem,4.5vw,4.6rem);max-width:900px;text-shadow:0 3px 15px rgba(0,0,0,.25)}

.features{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.feature{background:#fff;border:1px solid var(--line);padding:25px;border-radius:18px}
.feature .n{font-size:.78rem;font-weight:800;letter-spacing:.12em;color:var(--muted);margin-bottom:28px}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{background:#fff;border:1px solid var(--line);padding:22px;border-radius:18px}
.step-num{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--text);color:#fff;font-weight:800;margin-bottom:20px}

.cta{background:#111417;color:#fff;padding:48px;border-radius:30px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta p{color:#c8cdd1;margin:8px 0 0}
.cta .btn{border-color:#fff}

.page-hero{padding:66px 0;background:#fff}
.page-hero h1{font-size:clamp(2.5rem,5vw,4.6rem)}
.system-row{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;margin:48px 0}
.system-row:nth-child(even) .photo-slot{order:2}
.form-card{background:#fff;padding:28px;border:1px solid var(--line);border-radius:22px}
.form{display:grid;gap:15px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
label{font-size:.9rem;font-weight:700}
input,select,textarea{width:100%;margin-top:6px;padding:14px 15px;border:1px solid #d7dcdf;border-radius:12px;background:#fff;font:inherit}
textarea{min-height:130px;resize:vertical}
.notice{font-size:.84rem;color:var(--muted)}

.footer{background:#fff;border-top:1px solid var(--line);padding:40px 0 90px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.footer img{height:80px;width:auto}
.footer p{color:var(--muted);font-size:.9rem;text-align:right}

.whatsapp{position:fixed;right:18px;bottom:18px;z-index:60;width:60px;height:60px;border-radius:50%;display:grid;place-items:center;background:#25D366;color:#fff;font-weight:900;box-shadow:0 10px 28px rgba(0,0,0,.22)}

@media(max-width:980px){
  .material-grid{grid-template-columns:repeat(2,1fr)}
  .features,.steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:800px){
  .nav{height:70px}.brand img{height:52px}
  .menu{display:none}.mobile-menu{display:block}
  .hero{padding:26px 0 52px}
  .hero-grid,.system-row{grid-template-columns:1fr}
  .hero .photo-slot{order:-1}
  .section{padding:56px 0}
  .section-head,.cta,.footer-inner{flex-direction:column;align-items:flex-start}
  .product-grid,.form-row{grid-template-columns:1fr}
  .footer p{text-align:left}
  .ad-overlay h2{font-size:2rem}
}
@media(max-width:520px){
  .material-grid,.features,.steps{grid-template-columns:1fr}
  .container{width:min(100% - 22px,1180px)}
  h1{font-size:2.65rem}
  .cta{padding:30px 24px}
}

.photo-slot.has-photo{
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
.photo-slot.has-photo .photo-label{display:none}
.photo-slot.steel{
  background:
    linear-gradient(90deg,transparent 47%,rgba(255,255,255,.85) 47%,rgba(255,255,255,.85) 53%,transparent 53%),
    linear-gradient(0deg,transparent 47%,rgba(255,255,255,.85) 47%,rgba(255,255,255,.85) 53%,transparent 53%),
    linear-gradient(135deg,#2f3438,#7c858b);
}
.photo-slot.steel .photo-label{
  background:rgba(255,255,255,.92);
  display:block;
}


/* REV04: footer, legal pages and cookie consent */
.footer-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:12px;margin-top:10px}
.footer-links a,.footer-links button{font:inherit;font-size:.86rem;color:var(--muted);background:none;border:0;padding:0;cursor:pointer;text-decoration:underline}
.contact-link{text-decoration:underline}
.legal{background:#fff}
.legal-wrap{width:min(900px,calc(100% - 32px));margin:auto;padding:64px 0 80px}
.legal h1{font-size:clamp(2.4rem,5vw,4.4rem)}
.legal h2{font-size:1.55rem;margin-top:38px}
.legal h3{font-size:1.05rem;margin-top:24px}
.legal p,.legal li{color:#414a50}
.legal ul{padding-left:22px}
.legal-note{padding:16px 18px;border-left:4px solid #111417;background:#f3f5f6;border-radius:0 12px 12px 0}
.cookie-banner{position:fixed;left:18px;right:18px;bottom:18px;z-index:200;display:none;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 18px 55px rgba(0,0,0,.24);padding:22px}
.cookie-banner.show{display:block}
.cookie-inner{width:min(1120px,100%);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}
.cookie-copy{max-width:720px}
.cookie-copy h3{margin:0 0 6px}
.cookie-copy p{margin:0;color:var(--muted);font-size:.92rem}
.cookie-copy a{text-decoration:underline}
.cookie-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}
.cookie-actions button{cursor:pointer}
.cookie-settings{position:fixed;inset:0;z-index:220;display:none;background:rgba(0,0,0,.48);padding:20px;align-items:center;justify-content:center}
.cookie-settings.show{display:flex}
.cookie-panel{width:min(650px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:24px;padding:28px;box-shadow:0 20px 60px rgba(0,0,0,.28)}
.cookie-panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}
.cookie-close{border:0;background:#eef1f2;border-radius:50%;width:38px;height:38px;font-size:1.2rem;cursor:pointer}
.cookie-category{display:flex;justify-content:space-between;gap:24px;padding:18px 0;border-top:1px solid var(--line)}
.cookie-category p{margin:5px 0 0;color:var(--muted);font-size:.9rem}
.switch{position:relative;width:50px;height:28px;flex:0 0 auto}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;inset:0;background:#c9ced2;border-radius:999px;cursor:pointer;transition:.2s}
.slider:before{content:"";position:absolute;width:22px;height:22px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s;box-shadow:0 2px 5px rgba(0,0,0,.2)}
.switch input:checked + .slider{background:#111417}
.switch input:checked + .slider:before{transform:translateX(22px)}
.switch input:disabled + .slider{opacity:.65;cursor:not-allowed}
.cookie-panel-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap;margin-top:20px}
@media(max-width:800px){
  .cookie-inner{align-items:flex-start;flex-direction:column}
  .cookie-actions{justify-content:flex-start}
  .footer-links{justify-content:flex-start}
}