:root{
  --blue:#0b4dbb;
  --blue-dark:#073b91;
  --blue-soft:#eef5ff;
  --ink:#111827;
  --text:#334155;
  --muted:#64748b;
  --line:#e5e7eb;
  --soft:#f8fafc;
  --white:#fff;
  --green:#25d366;
  --danger:#dc2626;
  --container:1180px;
  --shadow:0 18px 50px rgba(15,23,42,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,Arial,sans-serif;color:var(--text);background:#fff}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit}
.container{width:min(calc(100% - 36px),var(--container));margin-inline:auto}
.topbar{border-bottom:1px solid var(--line);background:#fff}
.topbar-inner{min-height:54px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:center}
.topbar-inner>div,.topbar-inner>a{display:flex;flex-direction:column;gap:2px;font-size:11px}
.topbar strong{color:var(--ink);font-size:12px}
.topbar span{color:var(--muted)}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand img{width:245px;height:68px;object-fit:contain;object-position:left center}
.nav-links{display:flex;align-items:center;gap:27px;font-size:13px;font-weight:700;color:var(--ink)}
.nav-links a:hover{color:var(--blue)}
.nav-quote{padding:13px 18px;background:var(--blue);color:#fff!important;border-radius:7px;box-shadow:0 10px 25px rgba(11,77,187,.22)}
.menu-btn{display:none;border:0;background:none;font-size:26px;color:var(--ink)}
.hero{background:linear-gradient(90deg,#fff 0%,#fff 48%,#eef4fb 48%,#eef4fb 100%);border-bottom:1px solid var(--line)}
.hero-grid{min-height:510px;display:grid;grid-template-columns:1fr 1.08fr;align-items:stretch}
.hero-copy{align-self:center;padding:65px 55px 65px 0}
.eyebrow,.section-heading>span{display:block;color:var(--blue);font-weight:900;text-transform:uppercase;letter-spacing:.09em;font-size:12px;margin-bottom:12px}
.hero h1{font-size:clamp(39px,5vw,62px);line-height:1.03;letter-spacing:-.05em;color:var(--ink);max-width:660px}
.hero p{font-size:17px;line-height:1.7;color:var(--text);margin:20px 0 28px;max-width:610px}
.hero-image{background:linear-gradient(90deg,rgba(255,255,255,.4),transparent 30%),url('https://images.unsplash.com/photo-1600566753086-00f18fb6b3ea?auto=format&fit=crop&w=1400&q=85') center/cover}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border:0;border-radius:7px;font-weight:800;font-size:13px;cursor:pointer;transition:.2s}
.button:hover{transform:translateY(-2px)}
.primary{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(11,77,187,.2)}
.secondary{background:#eef2f7;color:var(--ink)}
.full{width:100%}
.benefits{border-bottom:1px solid var(--line);background:#fff}
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);min-height:104px;align-items:center}
.benefit-grid article{display:flex;gap:13px;align-items:center;padding:20px;border-right:1px solid var(--line)}
.benefit-grid article:last-child{border-right:0}
.benefit-grid article>span{width:39px;height:39px;border-radius:50%;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue);font-weight:900}
.benefit-grid strong{display:block;color:var(--ink);font-size:13px}
.benefit-grid p{color:var(--muted);font-size:12px;margin-top:4px}
.section{padding:78px 0}
.section-heading{text-align:center;max-width:760px;margin:0 auto 36px}
.section-heading h2{font-size:clamp(30px,4vw,45px);line-height:1.08;letter-spacing:-.04em;color:var(--ink)}
.section-heading p{margin-top:13px;color:var(--muted);line-height:1.7}
.categories{background:#fff}
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.category-card{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;box-shadow:0 8px 25px rgba(15,23,42,.05);transition:.25s}
.category-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.category-photo{height:210px;background-size:cover;background-position:center}
.cat-board{background-image:url('https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=800&q=80')}
.cat-inverter{background-image:url('https://images.unsplash.com/photo-1581092918056-0c4c3acd3789?auto=format&fit=crop&w=800&q=80')}
.cat-pulley{background-image:url('https://images.unsplash.com/photo-1530124566582-a618bc2615dc?auto=format&fit=crop&w=800&q=80')}
.cat-parts{background-image:url('https://images.unsplash.com/photo-1586864387967-d02ef85d93e8?auto=format&fit=crop&w=800&q=80')}
.category-body{text-align:center;padding:26px 20px 20px}
.category-body small{color:var(--blue);font-weight:900;text-transform:uppercase;font-size:10px;letter-spacing:.09em}
.category-body h3{font-size:18px;color:var(--ink);line-height:1.25;margin:9px 0 12px;min-height:68px}
.category-body p{font-size:13px;line-height:1.6;color:var(--muted);min-height:82px}
.category-action{display:flex;align-items:center;justify-content:center;margin-top:18px;min-height:43px;border-radius:6px;background:var(--blue);color:#fff;font-size:12px;font-weight:800}
.catalog{background:var(--soft)}
.catalog-tools{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:25px}
.catalog-tools input{width:min(100%,410px);height:47px;border:1px solid var(--line);border-radius:7px;padding:0 15px;outline:none;background:#fff}
.catalog-tools input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(11,77,187,.1)}
.filter-buttons{display:flex;gap:8px;flex-wrap:wrap}
.filter{height:40px;min-width:42px;border:1px solid var(--line);background:#fff;border-radius:6px;font-weight:800;color:var(--text);cursor:pointer}
.filter.active{background:var(--blue);border-color:var(--blue);color:#fff}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:23px}
.product-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:9px;overflow:hidden;transition:.25s}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.product-image{height:230px;background:#fff;display:grid;place-items:center;padding:18px;border-bottom:1px solid var(--line)}
.product-image img{width:100%;height:100%;object-fit:contain}
.product-info{display:flex;flex-direction:column;flex:1;padding:18px}
.product-info small{font-size:10px;font-weight:900;color:var(--blue);text-transform:uppercase;letter-spacing:.08em}
.product-info h3{font-size:17px;line-height:1.3;color:var(--ink);margin:8px 0 10px}
.product-info p{font-size:13px;line-height:1.6;color:var(--muted);margin-bottom:17px}
.quote-only{margin-top:auto;background:var(--blue);color:#fff;width:100%}
.empty-state,.no-results{grid-column:1/-1;text-align:center;padding:48px 20px;background:#fff;border:1px dashed #cbd5e1;border-radius:10px}
.empty-state strong{display:block;font-size:22px;color:var(--ink);margin-bottom:8px}
.empty-state p{margin-bottom:20px;color:var(--muted)}
.about{background:#fff}
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:center}
.about h2{font-size:clamp(33px,4vw,48px);line-height:1.05;color:var(--ink);letter-spacing:-.04em}
.about p{margin-top:17px;line-height:1.75;color:var(--muted)}
.about-list{display:flex;gap:18px;flex-wrap:wrap;margin-top:24px;color:var(--blue);font-weight:800;font-size:13px}
.about-photo{height:440px;border-radius:8px;background:url('https://images.unsplash.com/photo-1600566753190-17f0baa2a6c3?auto=format&fit=crop&w=1200&q=85') center/cover}
.quote-banner{padding:18px 0 68px}
.quote-inner{border:1px solid var(--line);border-radius:9px;box-shadow:0 8px 24px rgba(15,23,42,.06);padding:24px 34px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.quote-inner h2{color:var(--ink);font-size:25px}
.quote-inner p{color:var(--muted);margin-top:5px}
footer{border-top:1px solid var(--line);background:#fff;padding:42px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.2fr .7fr 1fr 1fr;gap:36px}
.footer-logo{width:240px;height:68px;object-fit:contain;object-position:left center}
.footer-grid p{color:var(--muted);font-size:13px;line-height:1.7;margin-top:12px}
.footer-grid h3{font-size:12px;text-transform:uppercase;color:var(--blue);letter-spacing:.08em;margin-bottom:13px}
.footer-grid a{display:block;color:var(--text);font-size:13px;margin:9px 0}
.footer-grid a:hover{color:var(--blue)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:18px;margin-top:30px;color:var(--muted);font-size:12px}
.floating-whatsapp{position:fixed;right:20px;bottom:20px;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:#fff;font-size:24px;box-shadow:0 14px 32px rgba(37,211,102,.32);z-index:150}

/* Login */
.auth-page{min-height:100vh;display:grid;place-items:center;padding:25px;background:linear-gradient(135deg,#f8fbff,#eaf2ff)}
.auth-card{width:min(100%,450px);background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:0 25px 70px rgba(15,23,42,.15)}
.auth-logo img{width:255px;height:74px;object-fit:contain;margin:0 auto 24px}
.auth-title{text-align:center;margin-bottom:24px}
.auth-title span{color:var(--blue);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.1em}
.auth-title h1{font-size:28px;color:var(--ink);margin:7px 0}
.auth-title p{color:var(--muted);line-height:1.6;font-size:14px}
.form{display:grid;gap:17px}
.form label,.product-form label{display:grid;gap:8px;color:var(--ink);font-size:13px;font-weight:800}
.form input,.product-form input,.product-form select,.product-form textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:13px 14px;outline:none;background:#fff}
.form input:focus,.product-form input:focus,.product-form select:focus,.product-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(11,77,187,.1)}
.back-link{display:block;text-align:center;margin-top:20px;color:var(--blue);font-size:13px;font-weight:700}
.flash-list{display:grid;gap:9px;margin-bottom:18px}
.flash{padding:12px 14px;border-radius:7px;font-size:13px;font-weight:700}
.flash.success{background:#dcfce7;color:#166534}
.flash.warning{background:#fef3c7;color:#92400e}
.flash.danger{background:#fee2e2;color:#991b1b}

/* Admin */
.admin-shell{min-height:100vh;display:grid;grid-template-columns:270px 1fr;background:#f5f7fb}
.admin-sidebar{position:sticky;top:0;height:100vh;background:#fff;border-right:1px solid var(--line);padding:24px 18px;display:flex;flex-direction:column}
.admin-brand img{width:220px;height:66px;object-fit:contain;margin-bottom:25px}
.admin-sidebar nav{display:grid;gap:7px}
.admin-sidebar nav a,.logout-link{padding:13px 14px;border-radius:8px;font-size:13px;font-weight:800;color:var(--text)}
.admin-sidebar nav a:hover,.admin-sidebar nav a.active{background:var(--blue-soft);color:var(--blue)}
.logout-link{margin-top:auto;color:var(--danger)}
.admin-main{padding:34px}
.admin-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px}
.admin-top span{color:var(--blue);font-size:11px;text-transform:uppercase;font-weight:900;letter-spacing:.1em}
.admin-top h1{font-size:30px;color:var(--ink);margin-top:4px}
.admin-card{background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:0 10px 35px rgba(15,23,42,.05)}
.admin-table-wrap{overflow:auto}
.admin-table{width:100%;border-collapse:collapse;min-width:840px}
.admin-table th,.admin-table td{text-align:left;padding:15px;border-bottom:1px solid var(--line);vertical-align:middle;font-size:13px}
.admin-table th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.07em;background:#fafbfc}
.admin-table td strong{display:block;color:var(--ink)}
.admin-table td small{display:block;color:var(--muted);margin-top:5px;max-width:350px}
.thumb{width:72px;height:58px;border:1px solid var(--line);border-radius:7px;overflow:hidden;background:#fff}
.thumb img{width:100%;height:100%;object-fit:contain}
.status{display:inline-flex;padding:6px 9px;border-radius:999px;font-size:10px;font-weight:900}
.status.on{background:#dcfce7;color:#166534}
.status.off{background:#f1f5f9;color:#64748b}
.table-actions{display:flex;gap:7px}
.small-button{border:0;border-radius:6px;padding:8px 10px;font-size:11px;font-weight:800;cursor:pointer}
.small-button.edit{background:var(--blue-soft);color:var(--blue)}
.small-button.delete{background:#fee2e2;color:#b91c1c}
.admin-empty{text-align:center;padding:65px 20px}
.admin-empty h2{color:var(--ink);margin-bottom:8px}
.admin-empty p{color:var(--muted);margin-bottom:20px}
.product-form{padding:27px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.span-2{grid-column:1/-1}
.product-form textarea{resize:vertical;line-height:1.6}
.upload-field small{color:var(--muted);font-weight:500}
.current-image{display:flex;align-items:center;gap:18px;padding:15px;border:1px dashed var(--line);border-radius:9px}
.current-image span{font-weight:800;color:var(--ink)}
.current-image img{width:150px;height:110px;object-fit:contain;background:#fff}
.switch-row{display:flex!important;align-items:center;grid-template-columns:auto 1fr!important}
.switch-row input{width:19px;height:19px}
.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:25px;padding-top:20px;border-top:1px solid var(--line)}

@media(max-width:1000px){
  .topbar-inner{grid-template-columns:1fr 1fr}.topbar-inner>a{display:none}
  .menu-btn{display:block}
  .nav-links{display:none;position:absolute;left:0;right:0;top:84px;background:#fff;border-bottom:1px solid var(--line);padding:20px;flex-direction:column;align-items:stretch}
  .nav-links.open{display:flex}
  .hero-grid{grid-template-columns:1fr}.hero-copy{padding:60px 0}.hero-image{height:380px}
  .benefit-grid,.category-grid,.product-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}
  .admin-shell{grid-template-columns:1fr}.admin-sidebar{position:relative;height:auto;flex-direction:row;align-items:center;gap:15px;overflow:auto}
  .admin-brand img{width:180px;height:50px;margin:0}.admin-sidebar nav{display:flex}.logout-link{margin:0 0 0 auto}.admin-main{padding:24px}
}
@media(max-width:650px){
  .topbar-inner{grid-template-columns:1fr;min-height:46px}.topbar-inner>div:nth-child(2){display:none}
  .brand img{width:190px;height:55px}
  .hero-grid{min-height:auto}.hero-copy{padding:45px 0}.hero h1{font-size:40px}.hero-image{height:290px}
  .benefit-grid,.category-grid,.product-grid{grid-template-columns:1fr}
  .benefit-grid article{border-right:0;border-bottom:1px solid var(--line)}
  .catalog-tools{flex-direction:column;align-items:stretch}
  .catalog-tools input{width:100%}
  .about-photo{height:300px}.quote-inner{flex-direction:column;align-items:flex-start;padding:23px}
  .footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .admin-sidebar{display:block}.admin-brand img{margin-bottom:12px}.admin-sidebar nav{overflow:auto}.logout-link{display:inline-block;margin-top:10px}
  .admin-main{padding:15px}.admin-top{align-items:flex-start;flex-direction:column}.admin-top .button{width:100%}
  .product-form{padding:18px}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.form-actions{flex-direction:column-reverse}.form-actions .button{width:100%}
}
/* =========================================================
   WIDGET PROFISSIONAL DO WHATSAPP
========================================================= */

.whatsapp-widget {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
}

.whatsapp-popup {
  width: min(370px, calc(100vw - 32px));
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 22px;
  box-shadow:
    0 24px 60px rgba(15, 23, 42, 0.18),
    0 8px 24px rgba(15, 23, 42, 0.08);
  overflow: hidden;

  opacity: 0;
  visibility: hidden;
  transform: translateY(18px) scale(0.96);
  transform-origin: bottom right;
  transition:
    opacity 0.25s ease,
    transform 0.25s ease,
    visibility 0.25s ease;
}

.whatsapp-popup.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.whatsapp-popup-close {
  position: absolute;
  top: 13px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  font-size: 25px;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  transition:
    background 0.2s ease,
    transform 0.2s ease;
}

.whatsapp-popup-close:hover {
  background: rgba(255, 255, 255, 0.28);
  transform: rotate(5deg);
}

.whatsapp-popup-header {
  position: relative;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 22px 54px 20px 20px;
  color: #ffffff;
  background:
    linear-gradient(135deg, #0b4dbb 0%, #073883 100%);
}

.whatsapp-popup-header::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(255, 255, 255, 0.14), transparent 34%);
  pointer-events: none;
}

.whatsapp-popup-logo {
  position: relative;
  z-index: 1;
  width: 54px;
  height: 54px;
  flex: 0 0 54px;
  display: grid;
  place-items: center;
  padding: 7px;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
}

.whatsapp-popup-logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.whatsapp-popup-company {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.whatsapp-popup-company strong {
  font-size: 18px;
  line-height: 1.2;
}

.whatsapp-popup-company span {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
}

.whatsapp-popup-company i {
  display: block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.18);
}

.whatsapp-popup-content {
  padding: 22px;
}

.whatsapp-popup-content p {
  margin: 0 0 10px;
  color: #334155;
  font-size: 15px;
  line-height: 1.6;
}

.whatsapp-popup-content p:first-child {
  color: #0f172a;
  font-weight: 700;
}

.whatsapp-popup-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  margin-top: 19px;
  padding: 15px 18px;
  border-radius: 14px;
  background: #22c55e;
  color: #ffffff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(34, 197, 94, 0.25);
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.whatsapp-popup-button:hover {
  background: #16a34a;
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(34, 197, 94, 0.3);
}

.whatsapp-popup-button span {
  font-size: 18px;
}

.floating-whatsapp {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #22c55e;
  color: #ffffff;
  text-decoration: none;
  border: 4px solid #ffffff;
  box-shadow:
    0 14px 30px rgba(34, 197, 94, 0.32),
    0 5px 15px rgba(15, 23, 42, 0.12);
  transition:
    transform 0.22s ease,
    background 0.22s ease,
    box-shadow 0.22s ease;
  animation: whatsappPulse 2.8s infinite;
}

.floating-whatsapp:hover {
  background: #16a34a;
  transform: translateY(-3px) scale(1.04);
  box-shadow:
    0 18px 34px rgba(34, 197, 94, 0.4),
    0 7px 18px rgba(15, 23, 42, 0.14);
}

.floating-whatsapp span {
  font-size: 26px;
  line-height: 1;
}

@keyframes whatsappPulse {
  0%,
  100% {
    box-shadow:
      0 14px 30px rgba(34, 197, 94, 0.32),
      0 0 0 0 rgba(34, 197, 94, 0.32);
  }

  50% {
    box-shadow:
      0 14px 30px rgba(34, 197, 94, 0.32),
      0 0 0 13px rgba(34, 197, 94, 0);
  }
}

@media (max-width: 640px) {
  .whatsapp-widget {
    right: 14px;
    bottom: 14px;
  }

  .whatsapp-popup {
    width: calc(100vw - 28px);
    border-radius: 18px;
  }

  .whatsapp-popup-header {
    padding: 18px 48px 17px 17px;
  }

  .whatsapp-popup-content {
    padding: 18px;
  }

  .floating-whatsapp {
    width: 58px;
    height: 58px;
  }
}