/* ====== Theme variables (light & dark) ====== */
:root{
  --bg: #f6f9fb;
  --card: #ffffff;
  --muted: #6b7280;
  --text: #0f1724;
  --blue-800: #073e6b;
  --blue-700: #0b63a6;
  --blue-600: #148fd4;
  --glass: rgba(255,255,255,0.75);
  --radius: 12px;
  --shadow-md: 0 18px 45px rgba(11,63,110,0.08);
  --shadow-sm: 0 8px 20px rgba(11,63,110,0.06);
  --accent: linear-gradient(90deg,var(--blue-600),var(--blue-700));
  --maxw: 1200px;
  --ease: cubic-bezier(.2,.9,.2,1);
}

/* Dark theme overrides */
:root.dark{
  --bg: linear-gradient(180deg,#031021 0%, #071b2b 100%);
  --card: rgba(10,18,30,0.68);
  --muted: #9aa6b2;
  --text: #e6eef8;
  --blue-800: #3fa7ff;
  --blue-700: #2ba0ff;
  --blue-600: #17a0ff;
  --glass: rgba(8,10,14,0.5);
  --shadow-md: 0 30px 80px rgba(2,6,23,0.65);
  --shadow-sm: 0 10px 30px rgba(2,6,23,0.5);
  --accent: linear-gradient(90deg,var(--blue-700),var(--blue-600));
}

/* ====== Base ====== */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.45;
  scroll-behavior:smooth;
}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ====== Header ====== */
header.site-header{
  position:fixed;left:0;right:0;top:0;z-index:1200;
  transition:all .28s var(--ease);
  padding:12px 0;
  background:transparent;
}
header.site-header.scrolled{
  background: rgba(255,255,255,0.9);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(6px);
}
:root.dark header.site-header.scrolled{
  background: rgba(3,6,12,0.54);
  
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:12px}
.brand-badge{
  width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--accent);color:white;font-weight:800;font-size:20px;box-shadow:0 10px 30px rgba(253, 253, 253, 0.12)
}
.brand-title{font-weight:700;color:var(--blue-700)}
nav.main-nav{display:flex;gap:18px;align-items:center}
nav.main-nav a{color:var(--muted);text-decoration:none;font-weight:600;font-size:14px;padding:8px;border-radius:8px;transition:all .15s var(--ease)}
nav.main-nav a:hover{color:var(--blue-700);transform:translateY(-2px)}
.cta{background:var(--accent);color:white;padding:10px 14px;border-radius:12px;border:0;font-weight:700;cursor:pointer;box-shadow:var(--shadow-md);transition:transform .15s var(--ease)}
.cta:hover{transform:translateY(-3px)}
.mobile-toggle{display:none;background:transparent;border:0;padding:8px;cursor:pointer}

/* Theme toggle */
.theme-toggle{
  display:inline-flex;align-items:center;gap:8px;padding:6px;border-radius:999px;border:1px solid rgba(11,63,110,0.06);background:transparent;cursor:pointer;font-weight:600;
}
:root.dark .theme-toggle{border-color: rgba(255,255,255,0.06);}

/* ====== Hero ====== */
.hero{padding-top:110px;padding-bottom:48px}
.hero-grid{display:grid;grid-template-columns:1fr 520px;gap:36px;align-items:center}
.eyebrow{color:var(--blue-700);font-weight:700}
.title{font-size:44px;line-height:1.02;margin:8px 0 12px;font-weight:800}
.lead{color:var(--muted);max-width:56ch}
.hero-ctas{display:flex;gap:12px;margin-top:20px}
.btn-ghost{padding:12px 16px;border-radius:12px;border:1px solid rgba(255, 255, 255, 0.12);background:transparent;font-weight:700;cursor:pointer}
.hero-art{border-radius:20px;overflow:hidden;box-shadow:0 30px 70px rgba(11,63,110,0.08);transform-origin:center;transition:transform .5s var(--ease)}
.hero-art img{width:100%;height:100%;object-fit:cover;display:block}
.hero-art:hover{transform:translateY(-8px) rotate(-0.3deg)}

/* ====== Sections ====== */
section{padding:40px 0}
h2.section-title{margin:0;font-size:22px;font-weight:700}
p.section-desc{color:var(--muted);margin-top:8px}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 420px;gap:26px;align-items:center}
.about-card{background:var(--card);padding:18px;border-radius:12px;box-shadow:var(--shadow-md)}

/* Services */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:18px}
.service-card{background:linear-gradient(180deg,#ffffff,#fbfdff);padding:18px;border-radius:12px;box-shadow:var(--shadow-md);transition:transform .22s var(--ease), box-shadow .22s var(--ease)}
:root.dark .service-card{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01))}
.service-card:hover{transform:translateY(-8px);box-shadow:0 40px 80px rgba(11,63,110,0.09)}
.service-icon{width:54px;height:54px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--blue-700);background:linear-gradient(180deg,#e9f6ff,#f6fbff)}

/* Products */
.products-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.searchbox{display:flex;align-items:center;background:var(--card);padding:8px 10px;border-radius:12px;border:1px solid rgba(11,63,110,0.04);gap:10px;box-shadow:var(--shadow-sm)}
.searchbox input{border:0;outline:none;font-size:14px;width:220px;background:transparent;color:inherit}
.categories{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.cat-btn{padding:8px 12px;border-radius:999px;border:1px solid transparent;background:transparent;cursor:pointer;font-weight:700;color:var(--muted);transition:all .18s var(--ease)}
.cat-btn.active{background:var(--accent);color:white;box-shadow:var(--shadow-sm);transform:translateY(-2px)}

.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:20px}
.product-card{background:var(--card);border-radius:12px;overflow:hidden;box-shadow:var(--shadow-md);transition:transform .22s var(--ease), box-shadow .22s var(--ease)}
.product-card:hover{transform:translateY(-10px);box-shadow:0 50px 110px rgba(11,63,110,0.10)}
.product-media{height:200px;overflow:hidden}
.product-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.product-card:hover .product-media img{transform:scale(1.06)}
.product-body{padding:14px}
.product-cat{font-size:12px;color:var(--muted);font-weight:700}
.product-title{margin:8px 0 6px;font-weight:700}
.product-short{font-size:13px;color:var(--muted)}
.product-foot{display:flex;justify-content:space-between;align-items:center;margin-top:12px}
.price{color:var(--blue-700);font-weight:800}

/* Modal */
.modal-backdrop{position:fixed;inset:0;background:rgba(2,6,23,0.6);display:flex;align-items:center;justify-content:center;padding:20px;z-index:2200}
.modal{width:100%;max-width:920px;background:var(--card);border-radius:12px;padding:18px;box-shadow:0 40px 110px rgba(2,6,23,0.6);animation:pop .12s var(--ease)}
@keyframes pop{from{transform:translateY(10px) scale(.98);opacity:0}to{transform:none;opacity:1}}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 420px;gap:22px}
.contact-card{background:var(--card);padding:16px;border-radius:12px;box-shadow:var(--shadow-md)}
.form-row{display:flex;flex-direction:column;gap:8px;margin-top:10px}
input,textarea{padding:10px;border-radius:8px;border:1px solid #e9f2fb;font-size:14px;outline:none;background:transparent;color:inherit}
input:focus, textarea:focus{box-shadow:0 6px 24px rgba(11,63,110,0.06);border-color:var(--blue-600)}

/* Footer */
footer.site-footer{padding:26px 0;border-top:1px solid rgba(2,6,23,0.04);margin-top:18px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}

/* Utilities */
.muted{color:var(--muted)}
.small{font-size:13px}
.hidden{display:none}
.center{display:flex;align-items:center;justify-content:center}

/* Responsive */
@media(max-width:1000px){
  .hero-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  nav.main-nav{display:none}
  .mobile-toggle{display:block}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .product-grid{grid-template-columns:repeat(1,1fr)}
  .title{font-size:28px}
  .searchbox input{width:140px}
}

/* Scroll reveal */
.reveal{opacity:0;transform:translateY(10px);transition:all .6s var(--ease)}
.reveal.visible{opacity:1;transform:none}
/* Form grid for desktop */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:760px){ .form-grid{grid-template-columns:1fr} }

/* small helpers */
a.no-underline{text-decoration:none;color:inherit}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:8px;border:0;background:transparent;cursor:pointer}

/* ===== Botões no modo escuro ===== */
:root.dark button,
:root.dark .cta,
:root.dark .cat-btn,
:root.dark .btn-ghost,
:root.dark .icon-btn {
    color: #ffffff !important; /* texto branco */
}

/* Hover/focus também brancos, se necessário */
:root .btn-ghost:hover{
  color: #2523864f !important;
  border: 2px solid #07030375;
}

:root.dark button:hover,
:root.dark .cta:hover,
:root.dark .cat-btn:hover,
:root.dark .btn-ghost:hover,
:root.dark .icon-btn:hover {
    color: #ffffff !important;
}

/* ====== Mobile Menu ====== */
.mobile-menu {
  position: absolute;
  top: 70px;
  right: 20px;
  left: 20px;
  background: var(--card);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  display: none;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  animation: fadeIn 0.25s var(--ease);
  z-index: 1100;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  padding: 10px 12px;
  border-radius: 8px;
  transition: all 0.15s var(--ease);
}

.mobile-menu a:hover {
  background: var(--accent);
  color: white;
  transform: translateX(4px);
}

/* Dark mode */
:root.dark .mobile-menu {
  background: rgba(10, 18, 30, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}