/* ==========================================================================
   BitQualy — Design System (redesign)
   ========================================================================== */

:root{
  /* Cores de marca — mantendo o azul-marinho do logo, com paleta ampliada */
  --navy-950:#04081c;
  --navy-900:#0a1440;
  --navy-800:#101d5e;
  --navy-700:#182a7c;
  --navy-600:#22399e;
  --blue-500:#3b5bdb;
  --cyan-500:#17b6c4;
  --cyan-400:#3fd0dc;

  --ink:#0d1330;
  --ink-soft:#4a5170;
  --line:#e4e8f5;
  --surface:#ffffff;
  --surface-alt:#f5f7fc;
  --surface-navy:var(--navy-900);

  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;

  --shadow-sm:0 2px 10px rgba(10,20,64,.06);
  --shadow-md:0 12px 32px rgba(10,20,64,.10);
  --shadow-lg:0 24px 60px rgba(10,20,64,.16);

  --container:1180px;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-weight:700;letter-spacing:-0.02em;line-height:1.15;margin:0 0 .5em}
p{margin:0 0 1em}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:56px 0}
.section--alt{background:var(--surface-alt)}
.section--navy{background:var(--navy-900);color:#fff}
.section--navy .eyebrow{color:var(--cyan-400)}
.section--navy h2{color:#fff}
.section--navy p{color:#c4cbe8}

.eyebrow{
  display:inline-block;
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--cyan-500);
  margin-bottom:14px;
}
.section-head{max-width:640px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(1.7rem,3vw,2.4rem)}
.section-head p{color:var(--ink-soft);font-size:1.05rem}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-weight:600;font-size:.98rem;
  border:2px solid transparent;cursor:pointer;transition:.2s ease;white-space:nowrap;
}
.btn-primary{background:var(--cyan-500);color:#fff;box-shadow:0 8px 24px rgba(23,182,196,.35)}
.btn-primary:hover{background:var(--cyan-400);transform:translateY(-2px)}
.btn-outline{border-color:rgba(255,255,255,.35);color:#fff}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-outline-navy{border-color:var(--navy-700);color:var(--navy-800)}
.btn-outline-navy:hover{background:var(--navy-900);color:#fff}
.btn-block{width:100%}
.btn-sm{padding:10px 20px;font-size:.88rem}

/* ---------------- Header / Nav ---------------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.nav__logo img{height:46px;width:auto}
.nav__links{display:flex;align-items:center;gap:8px;list-style:none;margin:0;padding:0}
.nav__links a{
  padding:10px 16px;border-radius:999px;font-weight:600;font-size:.94rem;color:var(--ink);
  transition:.2s;
}
.nav__links a:hover,.nav__links a.active{background:var(--surface-alt);color:var(--navy-800)}
.nav__cta{display:flex;align-items:center;gap:12px}
.nav__toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav__toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}

@media (max-width:900px){
  .nav__links{
    position:fixed;inset:76px 0 0 0;background:#fff;flex-direction:column;align-items:stretch;
    padding:20px;gap:4px;transform:translateY(-8px);opacity:0;pointer-events:none;transition:.25s;
    overflow-y:auto;
  }
  .nav__links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav__links a{padding:14px 16px;font-size:1.05rem}
  .nav__cta .btn span.long{display:none}
  .nav__toggle{display:block}
}

/* ---------------- Hero ---------------- */
.hero{
  position:relative;overflow:hidden;
  background:radial-gradient(1200px 600px at 80% -10%, var(--navy-700), var(--navy-900) 60%);
  color:#fff;padding:96px 0 110px;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(500px 300px at 10% 100%, rgba(23,182,196,.25), transparent 70%);
  pointer-events:none;
}
.hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;position:relative}
.hero h1{font-size:clamp(2.1rem,4.2vw,3.4rem)}
.hero p.lead{font-size:1.15rem;color:#c4cbe8;max-width:520px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero__stats{display:flex;gap:32px;margin-top:44px;flex-wrap:wrap}
.hero__stats .stat b{display:block;font-size:1.7rem;color:#fff}
.hero__stats .stat span{color:#9aa4d1;font-size:.85rem}
.hero__panel{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);padding:28px;backdrop-filter:blur(6px);
  box-shadow:var(--shadow-lg);
}
.hero__panel-row{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.hero__panel-row:last-child{border-bottom:none}
.hero__panel-icon{
  width:42px;height:42px;flex:none;border-radius:12px;background:linear-gradient(135deg,var(--cyan-500),var(--blue-500));
  display:flex;align-items:center;justify-content:center;
}
.hero__panel-icon svg{width:22px;height:22px;stroke:#fff}
.hero__panel-row h4{font-size:.98rem;color:#fff;margin-bottom:2px}
.hero__panel-row p{font-size:.86rem;color:#aab3d9;margin:0}

@media (max-width:900px){
  .hero__grid{grid-template-columns:1fr}
  .hero__stats{gap:24px}
}

/* ---------------- Cards genéricos ---------------- */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:28px;transition:.25s;box-shadow:var(--shadow-sm);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}
.card__icon{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,var(--navy-800),var(--blue-500));
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.card__icon svg{width:26px;height:26px;stroke:#fff;fill:none}
.card h3{font-size:1.08rem}
.card p{color:var(--ink-soft);font-size:.94rem;margin-bottom:0}
.card__link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-weight:600;font-size:.9rem;color:var(--navy-800)}
.card__link svg{width:14px;height:14px}

/* Diferenciais (fundo navy) */
.diff-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-md);padding:28px;
}
.diff-card .card__icon{background:linear-gradient(135deg,var(--cyan-500),var(--blue-500))}
.diff-card h3{color:#fff}
.diff-card p{color:#c4cbe8}

/* ---------------- Módulos: catálogo completo ---------------- */
.catalog-search{
  display:flex;gap:12px;margin-bottom:28px;flex-wrap:wrap;align-items:center;
}
.catalog-search input{
  flex:1;min-width:220px;padding:14px 18px;border-radius:999px;border:1px solid var(--line);
  font-size:1rem;font-family:inherit;
}
.catalog-search input:focus{outline:2px solid var(--cyan-500);border-color:transparent}
.catalog-count{color:var(--ink-soft);font-size:.9rem;white-space:nowrap}

.mod-detail{
  border:1px solid var(--line);border-radius:var(--radius-md);padding:32px;margin-bottom:20px;
  scroll-margin-top:96px;
}
.mod-detail h3{font-size:1.3rem;color:var(--navy-800)}
.mod-detail p{color:var(--ink-soft)}
.mod-detail__tag{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--cyan-500);background:rgba(23,182,196,.1);padding:4px 12px;border-radius:999px;margin-bottom:12px;
}

.catalog-list{border-top:1px solid var(--line)}
.catalog-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 4px;border-bottom:1px solid var(--line);
}
.catalog-item h4{font-size:1rem;margin:0;font-weight:600}
.catalog-item span{color:var(--ink-soft);font-size:.85rem}
.catalog-item.hidden{display:none}

/* ---------------- Clientes ---------------- */
.clients-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.clients-grid a{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px;display:flex;align-items:center;justify-content:center;height:96px;
  transition:.2s;
}
.clients-grid a:hover{box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.clients-grid img{max-height:56px;width:auto;filter:grayscale(1);opacity:.75;transition:.2s}
.clients-grid a:hover img{filter:none;opacity:1}
@media (max-width:900px){.clients-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:520px){.clients-grid{grid-template-columns:repeat(2,1fr)}}

/* ---------------- CTA / Contato ---------------- */
.cta-band{
  background:linear-gradient(120deg,var(--navy-900),var(--navy-700));
  border-radius:var(--radius-lg);padding:56px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;margin-bottom:6px;font-size:1.7rem}
.cta-band p{color:#c4cbe8;margin:0}

.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.contact-list{list-style:none;margin:0;padding:0}
.contact-list li{
  display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line);
}
.contact-list .card__icon{margin-bottom:0;flex:none}
.contact-list h4{margin:0 0 4px;font-size:1rem}
.contact-list p{margin:0;color:var(--ink-soft)}

.whatsapp-fab{
  position:fixed;bottom:24px;right:24px;z-index:90;
  width:60px;height:60px;border-radius:50%;background:#25D366;
  display:flex;align-items:center;justify-content:center;box-shadow:0 10px 28px rgba(37,211,102,.45);
  transition:.2s;
}
.whatsapp-fab:hover{transform:scale(1.06)}
.whatsapp-fab svg{width:30px;height:30px;fill:#fff}

/* ---------------- Footer ---------------- */
.site-footer{background:var(--navy-950);color:#aab3d9;padding:64px 0 28px;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.site-footer img.footer-logo{height:46px;margin-bottom:16px;filter:brightness(0) invert(1)}
.site-footer h5{color:#fff;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:16px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:10px}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.82rem}

/* Utilities */
.text-center{text-align:center}
.mt-0{margin-top:0}
.mb-0{margin-bottom:0}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;background:var(--surface-alt);color:var(--navy-800);
  padding:6px 14px;border-radius:999px;font-size:.82rem;font-weight:600;
}