/* =========================================================
   TECHVOLUGY — Design System
   ========================================================= */
:root{
  --navy-950:#071b33;
  --navy-900:#0a2547;
  --navy-800:#0d3b73;
  --blue-700:#12509e;
  --blue-600:#1565c0;
  --blue-500:#1e6fd9;
  --blue-400:#3d8bf0;
  --sky-300:#64b5f6;
  --sky-200:#9ecdfb;

  --bg:#f4f8fc;
  --bg-alt:#eaf1fa;
  --white:#ffffff;
  --ink:#0d233f;
  --muted:#5c7290;
  --border:#dbe6f3;

  --whatsapp:#25d366;
  --whatsapp-dark:#1ebd5a;

  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:26px;
  --shadow-sm:0 4px 14px rgba(10,37,71,.08);
  --shadow-md:0 12px 30px rgba(10,37,71,.12);
  --shadow-lg:0 24px 60px rgba(10,37,71,.18);

  --ff-heading:'Space Grotesk', 'Inter', sans-serif;
  --ff-body:'Inter', sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--ff-heading);line-height:1.15;margin:0 0 .5em;color:var(--navy-900);}
p{margin:0 0 1em;color:var(--muted);line-height:1.7;}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 24px;}

/* subtle tech grid background */
.bg-grid{
  position:absolute; inset:0; z-index:-1; pointer-events:none;
  background-image:
    linear-gradient(rgba(30,111,217,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,111,217,.05) 1px, transparent 1px);
  background-size:42px 42px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}
.bg-grid-dark{
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  mask-image:radial-gradient(ellipse 80% 80% at 50% 30%, #000 40%, transparent 100%);
}

/* =================== BUTTONS =================== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:999px;
  font-weight:600;font-size:.95rem;
  border:none;cursor:pointer;white-space:nowrap;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn svg{flex-shrink:0;transition:transform .25s ease;}
.btn:hover svg{transform:translateX(3px);}
.btn-primary{
  background:linear-gradient(135deg, var(--blue-500), var(--blue-700));
  color:#fff;
  box-shadow:0 10px 24px rgba(21,101,192,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(21,101,192,.45);}
.btn-ghost{
  background:rgba(255,255,255,.6);
  color:var(--navy-900);
  border:1.5px solid var(--border);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:#fff;transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-whatsapp{
  background:linear-gradient(135deg, var(--whatsapp), var(--whatsapp-dark));
  color:#fff;box-shadow:0 10px 22px rgba(37,211,102,.35);
}
.btn-whatsapp:hover{transform:translateY(-2px);box-shadow:0 16px 28px rgba(37,211,102,.45);}
.btn-sm{padding:9px 16px;font-size:.85rem;}
.btn-lg{padding:16px 32px;font-size:1.02rem;}
.btn-block{width:100%;justify-content:center;}

/* =================== HEADER =================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:18px 0;
  transition:padding .3s ease, background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled{
  padding:10px 0;
  background:rgba(244,248,252,.85);
  backdrop-filter:blur(12px) saturate(160%);
  box-shadow:0 4px 20px rgba(10,37,71,.08);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--ff-heading);font-size:1.15rem;color:var(--navy-900);}
.logo-text strong{color:var(--blue-600);}
.main-nav{display:flex;gap:32px;}
.nav-link{
  position:relative;font-weight:500;font-size:.95rem;color:var(--navy-900);
  padding:6px 2px;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;
  background:linear-gradient(90deg,var(--blue-500),var(--sky-300));
  transition:width .3s ease;border-radius:2px;
}
.nav-link:hover::after,.nav-link.active::after{width:100%;}
.nav-link:hover{color:var(--blue-600);}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:40px;height:40px;border:none;background:#fff;border-radius:10px;
  box-shadow:var(--shadow-sm);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--navy-900);margin:0 auto;transition:.3s;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* =================== HERO =================== */
.hero{
  position:relative;
  padding:170px 0 120px;
  overflow:hidden;
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(30,111,217,.14), transparent 60%),
    radial-gradient(800px 500px at -5% 30%, rgba(100,181,246,.16), transparent 60%),
    var(--bg);
}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.5;}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.eyebrow{
  display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.14em;
  color:var(--blue-600);background:rgba(30,111,217,.1);
  padding:7px 14px;border-radius:999px;margin-bottom:18px;
}
.hero h1{font-size:clamp(2.3rem,4.5vw,3.6rem);font-weight:700;letter-spacing:-.02em;}
.text-gradient{
  background:linear-gradient(100deg,var(--blue-500),var(--sky-300) 60%, var(--blue-700));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:1.08rem;max-width:520px;}
.hero-lead strong{color:var(--navy-900);}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 26px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.82rem;font-weight:600;color:var(--navy-800);
  background:#fff;border:1px solid var(--border);
  padding:8px 14px;border-radius:999px;box-shadow:var(--shadow-sm);
}
.chip svg{color:var(--blue-500);}

/* laptop mock */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:420px;}
.glow-blob{position:absolute;border-radius:50%;filter:blur(60px);z-index:0;}
.b1{width:280px;height:280px;background:rgba(30,111,217,.35);top:-20px;right:10%;}
.b2{width:220px;height:220px;background:rgba(100,181,246,.35);bottom:-10px;left:0;}

.laptop-mock{position:relative;z-index:2;width:min(430px,100%);animation:float 6s ease-in-out infinite;}
.laptop-screen{
  background:linear-gradient(160deg,var(--navy-900),var(--navy-950));
  border-radius:16px 16px 4px 4px;
  padding:10px;
  box-shadow:var(--shadow-lg);
  border:2px solid #14315c;
}
.laptop-cam{position:absolute;top:-9px;left:50%;transform:translateX(-50%);width:6px;height:6px;background:#1a3a63;border-radius:50%;z-index:3;}
.screen-topbar{display:flex;gap:6px;padding:2px 4px 10px;}
.screen-topbar span{width:9px;height:9px;border-radius:50%;background:#294d7c;}
.screen-topbar span:nth-child(1){background:#ff6459;}
.screen-topbar span:nth-child(2){background:#ffbd44;}
.screen-topbar span:nth-child(3){background:#25c93f;}
.screen-body{
  background:linear-gradient(150deg,#0e2c53,#0a1f3f);
  border-radius:8px;padding:22px 20px;min-height:230px;
  position:relative;overflow:hidden;
}
.screen-body::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(100,181,246,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(100,181,246,.08) 1px,transparent 1px);
  background-size:20px 20px;
}
.screen-badge{
  position:relative;color:#fff;font-family:var(--ff-heading);font-weight:600;
  font-size:1.15rem;line-height:1.3;margin-bottom:16px;letter-spacing:.01em;
}
.screen-badge em{font-style:normal;color:var(--sky-300);}
.screen-bar{position:relative;height:8px;border-radius:6px;background:rgba(255,255,255,.14);margin-bottom:10px;}
.screen-bar.w80{width:80%;}
.screen-bar.w60{width:55%;}
.screen-btn{
  position:relative;display:inline-block;margin-top:8px;
  background:linear-gradient(135deg,var(--blue-500),var(--blue-700));
  color:#fff;font-size:.78rem;font-weight:700;padding:9px 18px;border-radius:999px;
  box-shadow:0 8px 18px rgba(21,101,192,.4);
}
.screen-cards{position:relative;display:flex;gap:8px;margin-top:18px;}
.screen-cards span{flex:1;height:34px;border-radius:6px;background:rgba(255,255,255,.08);border:1px solid rgba(100,181,246,.25);}
.laptop-base{
  height:14px;
  background:linear-gradient(180deg,#183a68,#0c1f3d);
  border-radius:0 0 10px 10px;
  position:relative;
}
.laptop-base::after{
  content:"";position:absolute;left:50%;top:0;transform:translateX(-50%);
  width:70px;height:5px;background:#0a1930;border-radius:0 0 6px 6px;
}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-12px);}}

.float-card{
  position:absolute;z-index:3;display:flex;align-items:center;gap:8px;
  background:#fff;padding:10px 16px;border-radius:12px;box-shadow:var(--shadow-md);
  font-size:.82rem;font-weight:700;color:var(--navy-900);
  animation:float 6s ease-in-out infinite;
}
.float-card svg{color:var(--blue-500);}
.fc-1{top:8%;left:-4%;animation-delay:.4s;}
.fc-2{bottom:10%;right:-6%;animation-delay:1s;}

.hero-wave{position:absolute;left:0;right:0;bottom:-2px;width:100%;height:60px;}
.hero-wave path{fill:var(--white);}

/* =================== SECTIONS =================== */
.section{position:relative;padding:110px 0;}
.section-dark{
  background:linear-gradient(165deg,var(--navy-900),var(--navy-950));
  color:#fff;
}
.section-head{max-width:640px;margin:0 auto 60px;text-align:center;}
.section-head h2{font-size:clamp(1.8rem,3vw,2.5rem);}
.section-head h2.light{color:#fff;}
.section-head p.light-muted{color:#a9c0dd;}
.eyebrow-dark{color:var(--blue-600);background:rgba(21,101,192,.09);}

/* Services */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.card{
  background:#fff;border-radius:var(--radius-md);padding:34px 30px;
  border:1px solid var(--border);box-shadow:var(--shadow-sm);
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent;}
.card-icon{
  width:56px;height:56px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--blue-500),var(--blue-700));
  color:#fff;margin-bottom:20px;box-shadow:0 10px 20px rgba(21,101,192,.3);
}
.card h3{font-size:1.25rem;}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:9px;}
.check-list li{
  position:relative;padding-left:24px;font-size:.9rem;color:var(--navy-800);font-weight:500;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:4px;width:16px;height:16px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue-500),var(--sky-300));
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:7.5px;width:6px;height:3px;
  border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg);
}

/* Diferenciais */
.grid-diff{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:rgba(255,255,255,.08);border-radius:var(--radius-md);overflow:hidden;}
.diff-item{
  background:linear-gradient(165deg,rgba(255,255,255,.03),rgba(255,255,255,.01));
  padding:34px 28px;transition:background .3s ease;
}
.diff-item:hover{background:rgba(30,111,217,.12);}
.diff-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(100,181,246,.12);color:var(--sky-300);margin-bottom:16px;
  border:1px solid rgba(100,181,246,.25);
}
.diff-item h4{color:#fff;font-size:1.05rem;margin-bottom:6px;}
.diff-item p{color:#a9c0dd;font-size:.9rem;margin:0;}

/* Processo / timeline */
.timeline{
  display:grid;grid-template-columns:repeat(5,1fr);gap:24px;position:relative;
}
.timeline::before{
  content:"";position:absolute;top:26px;left:5%;right:5%;height:2px;
  background:repeating-linear-gradient(90deg,var(--border) 0 8px,transparent 8px 16px);
  z-index:0;
}
.timeline-item{position:relative;z-index:1;text-align:center;padding:0 8px;}
.timeline-num{
  width:52px;height:52px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--blue-500),var(--blue-700));
  color:#fff;font-family:var(--ff-heading);font-weight:700;
  box-shadow:0 10px 22px rgba(21,101,192,.35);
}
.timeline-item h4{font-size:1.02rem;}
.timeline-item p{font-size:.86rem;}

/* CTA strip */
.cta-strip{
  background:linear-gradient(120deg,var(--blue-700),var(--navy-900));
  padding:56px 0;position:relative;overflow:hidden;
}
.cta-strip::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 20% 120%, rgba(100,181,246,.25), transparent 55%);
}
.cta-strip-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.cta-strip-inner h3{color:#fff;font-size:1.5rem;margin-bottom:6px;}
.cta-strip-inner p{color:#c9dbf2;margin:0;}

/* Contato */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px;align-items:stretch;}
.contact-info-card{
  height:100%;
  background:linear-gradient(165deg,var(--navy-900),var(--navy-950));
  border-radius:var(--radius-md);padding:38px 32px;color:#fff;
  display:flex;flex-direction:column;gap:26px;justify-content:center;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.contact-info-card::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:30px 30px;
  mask-image:radial-gradient(ellipse 70% 70% at 30% 20%, #000, transparent 100%);
}
.contact-row{position:relative;display:flex;align-items:center;gap:16px;}
.contact-icon{
  width:44px;height:44px;flex-shrink:0;border-radius:12px;
  background:rgba(100,181,246,.14);color:var(--sky-300);
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(100,181,246,.25);
}
.contact-icon-wpp{background:rgba(37,211,102,.16);color:var(--whatsapp);border-color:rgba(37,211,102,.3);}
.contact-label{display:block;font-size:.78rem;color:#9fb8d9;margin-bottom:2px;}
.contact-row strong{font-size:1.02rem;}
.contact-row strong a:hover{color:var(--sky-300);}

.contact-form{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:36px 34px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:18px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.contact-form label{display:flex;flex-direction:column;gap:8px;font-size:.85rem;font-weight:600;color:var(--navy-800);}
.contact-form input,.contact-form select,.contact-form textarea{
  font-family:inherit;font-size:.95rem;padding:12px 14px;border-radius:10px;
  border:1.5px solid var(--border);background:var(--bg);color:var(--ink);
  outline:none;transition:border-color .2s ease, box-shadow .2s ease;resize:vertical;
}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{
  border-color:var(--blue-500);box-shadow:0 0 0 4px rgba(30,111,217,.12);
}
.form-note{font-size:.78rem;color:var(--muted);text-align:center;margin:-4px 0 0;}
.hp-field{position:absolute !important;left:-9999px !important;top:auto;width:1px;height:1px;overflow:hidden;}

/* =================== FOOTER =================== */
.site-footer{background:var(--navy-950);color:#c9d9ee;padding-top:70px;}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:50px;}
.footer-brand p{color:#8fa8c9;margin-top:14px;max-width:320px;}
.footer-brand .logo-text{color:#fff;}
.footer-col h5{color:#fff;font-family:var(--ff-heading);font-size:.95rem;margin-bottom:16px;}
.footer-col{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#8fa8c9;font-size:.92rem;transition:color .2s ease;}
.footer-col a:hover{color:var(--sky-300);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;}
.footer-bottom-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:.82rem;color:#7590b3;}
.heart{color:#ff6b6b;}

/* =================== FLOATING BUTTONS =================== */
.whatsapp-float{
  position:fixed;bottom:26px;right:26px;z-index:90;
  width:58px;height:58px;border-radius:50%;
  background:linear-gradient(135deg,var(--whatsapp),var(--whatsapp-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 28px rgba(37,211,102,.45);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{box-shadow:0 12px 28px rgba(37,211,102,.45);}50%{box-shadow:0 12px 28px rgba(37,211,102,.15),0 0 0 12px rgba(37,211,102,.08);}}

.back-to-top{
  position:fixed;bottom:26px;right:96px;z-index:90;
  width:44px;height:44px;border-radius:50%;border:none;cursor:pointer;
  background:#fff;color:var(--navy-900);box-shadow:var(--shadow-md);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s ease, transform .3s ease, visibility .3s ease;
}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0);}

/* =================== REVEAL ANIMATIONS =================== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease, transform .7s ease;}
.reveal.in-view{opacity:1;transform:translateY(0);}
.reveal-pop{opacity:0;transform:scale(.85);transition:opacity .6s ease .3s, transform .6s ease .3s;}
.reveal-pop.in-view{opacity:1;transform:scale(1);}

/* =================== RESPONSIVE =================== */
@media (max-width:1080px){
  .grid-diff{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(3,1fr);row-gap:40px;}
  .timeline::before{display:none;}
}
@media (max-width:960px){
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:min(300px,80%);
    background:#fff;flex-direction:column;padding:100px 32px 32px;gap:26px;
    box-shadow:-10px 0 40px rgba(10,37,71,.15);
    transform:translateX(100%);transition:transform .35s ease;
    z-index:99;
  }
  .main-nav.open{transform:translateX(0);}
  .nav-toggle{display:flex;}
  .hero-inner{grid-template-columns:1fr;text-align:center;}
  .hero-lead{margin-left:auto;margin-right:auto;}
  .hero-cta,.hero-chips{justify-content:center;}
  .hero-visual{margin-top:50px;min-height:auto;}
  .grid-3{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:640px){
  .hero{padding:140px 0 90px;}
  .section{padding:80px 0;}
  .grid-diff{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr 1fr;}
  .form-row{grid-template-columns:1fr;}
  .cta-strip-inner{flex-direction:column;text-align:center;}
  .footer-inner{grid-template-columns:1fr;}
  .float-card{display:none;}
  .back-to-top{right:26px;bottom:96px;}
}