/* ==========================================================================
   Aqua Engenharia - CSS Base (multi-páginas)
   Cores:
   #003366 (primária) | #00AEEF (destaque) | #F0F8FF (fundo claro) | #8E9AAF (texto secundário)
   ========================================================================== */

:root{
  --c-navy:#003366;
  --c-cyan:#00AEEF;
  --c-ice:#F0F8FF;
  --c-slate:#8E9AAF;

  --bg:#ffffff;
  --text:#0b1220;
  --muted: color-mix(in srgb, var(--text) 60%, var(--c-slate));
  --line: color-mix(in srgb, var(--c-slate) 35%, transparent);

  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.08);
  --shadow-soft: 0 6px 18px rgba(0,0,0,.06);

  --container: 1140px;
  --pad: clamp(16px, 3vw, 28px);
  --h1: clamp(30px, 4vw, 46px);
  --h2: clamp(22px, 2.4vw, 30px);
  --h3: clamp(18px, 1.8vw, 22px);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
}

img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; text-underline-offset:3px; }

.container{
  width:min(var(--container), 100% - 2*var(--pad));
  margin-inline:auto;
}

.skip-link{
  position:absolute; left:-999px; top:auto;
  width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left:16px; top:16px; width:auto; height:auto;
  background:var(--bg); color:var(--c-navy);
  padding:10px 12px; border-radius:10px;
  border:1px solid var(--line);
  z-index:9999;
}

/* Header / Nav */
.site-header{
  position:sticky; top:0; z-index:1000;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:16px; padding:14px 0;
}
.brand{
  display:flex; align-items:center; gap:12px;
  min-width:220px;
}
.brand-mark{
  width:44px; height:44px;
  border-radius:12px;
  box-shadow: var(--shadow-soft);
  display:grid; place-items:center;
  color:var(--c-ice);
  font-weight:800;
}
.brand-text{
  display:flex; flex-direction:column; line-height:1.1;
}
.brand-text strong{ color:var(--c-navy); letter-spacing:.2px; }
.brand-text span{ color:var(--muted); font-size:14px; }

.nav{
  display:flex; align-items:center; gap:18px;
}
.nav a{
  padding:10px 10px;
  border-radius:12px;
  color:color-mix(in srgb, var(--text) 90%, var(--c-slate));
  font-weight:600;
}
.nav a[aria-current="page"]{
  background: color-mix(in srgb, var(--c-ice) 80%, white);
  color: var(--c-navy);
  outline:1px solid var(--line);
}
.nav a:hover{
  background: color-mix(in srgb, var(--c-ice) 70%, white);
  text-decoration:none;
}
.header-cta{
  display:flex; align-items:center; gap:10px;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius:14px;
  border:1px solid transparent;
  font-weight:800;
  letter-spacing:.2px;
  cursor:pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease, border-color .12s ease;
  text-decoration:none !important;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{
  background: var(--c-cyan);
  color: #001a22;
  box-shadow: var(--shadow-soft);
}
.btn-primary:hover{ box-shadow: var(--shadow); }
.btn-outline{
  background: transparent;
  border-color: var(--line);
  color: var(--c-navy);
}
.btn-outline:hover{ background: color-mix(in srgb, var(--c-ice) 70%, white); }

.burger{
  display:none;
  width:44px; height:44px;
  border-radius:14px;
  border:1px solid var(--line);
  background:transparent;
}
.burger span{
  display:block;
  width:18px; height:2px;
  background:var(--c-navy);
  margin:4px auto;
  border-radius:2px;
}

/* Hero */
.hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(1200px 600px at 10% 0%, color-mix(in srgb, var(--c-ice) 85%, white), transparent),
    radial-gradient(900px 500px at 90% 10%, color-mix(in srgb, var(--c-cyan) 16%, white), transparent),
    linear-gradient(180deg, white, color-mix(in srgb, var(--c-ice) 55%, white));
  border-bottom:1px solid var(--line);
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(18px, 3vw, 40px);
  align-items:center;
  padding: clamp(24px, 6vw, 64px) 0;
}
.kicker{
  display:inline-flex; align-items:center; gap:10px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.7);
  color:var(--c-navy);
  font-weight:800;
  width:fit-content;
}
.dot{
  width:10px; height:10px; border-radius:50%;
  background: var(--c-cyan);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--c-cyan) 18%, transparent);
}
.hero h1{
  font-size: var(--h1);
  line-height:1.1;
  margin: 12px 0 10px;
  letter-spacing:-.5px;
  color: var(--c-navy);
}
.hero p{
  margin:0 0 18px;
  color: color-mix(in srgb, var(--text) 72%, var(--c-slate));
  font-size: 17px;
  max-width: 62ch;
}
.hero-actions{ display:flex; gap:12px; flex-wrap:wrap; margin-top:10px; }

.hero-card{
  border-radius: calc(var(--radius) + 10px);
  background: rgba(255,255,255,.75);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.hero-media{
  aspect-ratio: 16/10;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--c-navy) 12%, white), color-mix(in srgb, var(--c-cyan) 10%, white)),
    repeating-linear-gradient(45deg, rgba(0,0,0,.06) 0 2px, transparent 2px 10px);
  display:grid; place-items:center;
  padding: 18px;
  color: var(--c-navy);
}
.hero-media small{
  display:block;
  text-align:center;
  color: color-mix(in srgb, var(--c-navy) 75%, var(--c-slate));
  font-weight:700;
}
.hero-stats{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 14px;
  background: rgba(255,255,255,.85);
  border-top: 1px solid var(--line);
}
.stat{
  border-radius: 14px;
  padding: 12px;
  background: color-mix(in srgb, var(--c-ice) 70%, white);
  border:1px solid var(--line);
}
.stat strong{ display:block; color:var(--c-navy); font-size:18px; }
.stat span{ display:block; color:var(--muted); font-weight:650; font-size:13px; }

/* Sections */
.section{ padding: clamp(26px, 5vw, 56px) 0; }
.section.alt{
  background: linear-gradient(180deg, color-mix(in srgb, var(--c-ice) 65%, white), white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section h2{
  font-size: var(--h2);
  color: var(--c-navy);
  margin: 0 0 10px;
  letter-spacing:-.2px;
}
.lead{
  color: color-mix(in srgb, var(--text) 68%, var(--c-slate));
  margin:0 0 18px;
  max-width: 80ch;
}

.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.card{
  background: rgba(255,255,255,.82);
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 18px;
}
.card h3{
  font-size: var(--h3);
  margin: 0 0 8px;
  color: var(--c-navy);
}
.card p{ margin:0; color: var(--muted); }

.feature{
  grid-column: span 4;
  position:relative;
  overflow:hidden;
}
.feature::after{
  content:"";
  position:absolute; inset:-40px -60px auto auto;
  width:160px; height:160px;
  border-radius:50%;
  background: color-mix(in srgb, var(--c-cyan) 18%, transparent);
  filter: blur(0px);
}
.icon{
  width:44px; height:44px;
  border-radius:14px;
  background: color-mix(in srgb, var(--c-cyan) 14%, white);
  border:1px solid var(--line);
  display:grid; place-items:center;
  color: var(--c-navy);
  font-weight:900;
  margin-bottom:10px;
}

/* Product cards */
.product{
  grid-column: span 6;
  display:grid;
  grid-template-columns: 140px 1fr;
  gap: 14px;
  align-items:stretch;
}
.product .thumb{
  border-radius: 14px;
  border:1px dashed color-mix(in srgb, var(--c-slate) 55%, transparent);
  background: color-mix(in srgb, var(--c-ice) 70%, white);
  display:grid; place-items:center;
  color: var(--muted);
  font-weight:700;
  padding: 12px;
  min-height: 120px;
}
.badges{
  display:flex; flex-wrap:wrap; gap:8px; margin: 8px 0 12px;
}
.badge{
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.7);
  color: var(--c-navy);
  font-weight:800;
}

/* Page header */
.pagehead{
  padding: 30px 0;
  border-bottom:1px solid var(--line);
  background: linear-gradient(180deg, color-mix(in srgb, var(--c-ice) 58%, white), white);
}
.breadcrumbs{
  display:flex; flex-wrap:wrap; gap:8px;
  color: var(--muted);
  font-weight:650;
  font-size: 14px;
  margin-bottom: 10px;
}
.breadcrumbs a{ color: var(--c-navy); }
.pagehead h1{
  margin:0 0 10px;
  font-size: clamp(26px, 3.2vw, 40px);
  color: var(--c-navy);
  line-height:1.15;
}
.pagehead p{ margin:0; color: var(--muted); max-width: 90ch; }

/* Content */
.prose{
  max-width: 86ch;
}
.prose h2{ margin-top: 26px; }
.prose h3{ margin-top: 18px; color:var(--c-navy); }
.prose ul{ padding-left: 20px; }
.prose li{ margin: 6px 0; color: var(--muted); }
.note{
  border-left: 4px solid var(--c-cyan);
  padding: 12px 14px;
  background: color-mix(in srgb, var(--c-ice) 75%, white);
  border-radius: 14px;
  border: 1px solid var(--line);
  color: var(--muted);
}

/* Forms */
.form{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}
.field{ grid-column: span 6; }
.field.full{ grid-column: 1 / -1; }
label{
  display:block;
  font-weight:800;
  color: var(--c-navy);
  margin: 0 0 6px;
}
input, select, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.92);
  color: var(--text);
  outline:none;
}
textarea{ min-height: 120px; resize: vertical; }
input:focus, select:focus, textarea:focus{
  border-color: color-mix(in srgb, var(--c-cyan) 60%, var(--line));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--c-cyan) 18%, transparent);
}
.help{
  margin-top:6px;
  font-size: 13px;
  color: var(--muted);
}
.radio-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.check-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.option{
  display:flex; align-items:flex-start; gap:10px;
  padding: 10px 12px;
  border:1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.75);
}
.option input{ width:auto; margin-top: 4px; }

/* FAQ */
.faq{
  margin-top: 18px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  overflow:hidden;
  background: rgba(255,255,255,.85);
  box-shadow: var(--shadow-soft);
}
.faq-item{ border-top:1px solid var(--line); }
.faq-item:first-child{ border-top:none; }
.faq-q{
  width:100%;
  text-align:left;
  display:flex; align-items:center; justify-content:space-between;
  gap: 12px;
  padding: 14px 16px;
  background: transparent;
  border:none;
  cursor:pointer;
  font-weight:900;
  color: var(--c-navy);
}
.faq-q:hover{ background: color-mix(in srgb, var(--c-ice) 70%, white); }
.faq-q .pm{
  width:30px; height:30px;
  border-radius: 10px;
  border:1px solid var(--line);
  display:grid; place-items:center;
  background: rgba(255,255,255,.8);
  flex: 0 0 auto;
}
.faq-a{
  display:none;
  padding: 0 16px 16px;
  color: var(--muted);
}
.faq-item[data-open="true"] .faq-a{ display:block; }
.faq-item[ata-open="true"] .faq-q{ background: color-mix(in srgb, var(--c-ice) 70%, white); }

/* Footer */
.site-footer{
  margin-top: 40px;
  border-top:1px solid var(--line);
  background: #071a2a;
  color: rgba(240,248,255,.92);
}
.footer-inner{
  padding: 30px 0;
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 18px;
}
.footer-inner a{ color: var(--c-ice); }
.footer-muted{ color: rgba(240,248,255,.72); }
.footer-legal{
  border-top: 1px solid rgba(240,248,255,.12);
  padding: 14px 0;
  color: rgba(240,248,255,.70);
  font-size: 13px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
}

/* Floating WhatsApp */
.fab{
  position:fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1200;
}
.fab a{
  display:inline-flex; align-items:center; gap:10px;
  padding: 12px 14px;
  border-radius: 999px;
  background: var(--c-cyan);
  color:#001a22;
  font-weight:900;
  box-shadow: var(--shadow);
  border:1px solid color-mix(in srgb, var(--c-cyan) 60%, transparent);
  text-decoration:none !important;
}

/* Responsive */
@media (max-width: 920px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-stats{ grid-template-columns: 1fr; }
  .product{ grid-template-columns: 1fr; }
  .feature{ grid-column: span 6; }
}
@media (max-width: 720px){
  .nav{ 
    display:none; position:absolute; left:0; right:0; top:72px;
    background: rgba(255,255,255,.95);
    border-bottom:1px solid var(--line);
    padding: 10px var(--pad);
    flex-direction:column;
    align-items:stretch;
  }
  .nav a{ padding: 12px; }
  .burger{ display:inline-block; }
  .header-cta{ display:none; }
  
  .grid > .card, 
  .grid > aside, 
  .grid > article { 
    grid-column: 1 / -1 !important; 
  }

  .feature{ grid-column: 1 / -1; }
  .product{ grid-column: 1 / -1; }
  .field{ grid-column: 1 / -1; }
  .footer-inner{ grid-template-columns: 1fr; }
}