/* ===== 3sky Tecnologia — Design Tokens ===== */
:root{
  /* Cores principais */
  --navy: #0d1b22;
  --sky-blue: #3b82c4;
  --sky-blue-dark: #2f6aa3;
  --cyan-light: #5ec4e8;
  --ice-blue: #7ec8e3;
  --white: #ffffff;
  --deep-slate: #162430;

  /* Cores de suporte */
  --blue-light: #e8f4fd;
  --green-light: #eaf3de;
  --red-light: #fcebeb;

  /* Texto */
  --text-body: #444444;
  --text-small: #666666;

  /* Espaçamento base 4px */
  --space-1: 4px;
  --space-2: 8px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 999px;

  --font-main: 'Plus Jakarta Sans', 'Segoe UI', Arial, sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-main);
  color:var(--text-body);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;}

.container{
  max-width:1180px;
  margin:0 auto;
  padding:0 var(--space-6);
}

.section{ padding:var(--space-16) 0; }
.section-dark{ background:var(--navy); }

/* ===== Tipografia ===== */
.display{
  font-size:clamp(34px, 5vw, 56px);
  font-weight:800;
  letter-spacing:-0.5px;
  line-height:1.08;
  color:var(--white);
  margin:var(--space-6) 0 var(--space-4);
}
.display em{ font-style:italic; font-weight:600; color:var(--ice-blue); }

.display-sm{
  font-size:clamp(28px, 4vw, 42px);
  font-weight:800;
  letter-spacing:-0.5px;
  line-height:1.12;
  color:var(--white);
  margin:0 0 var(--space-4);
}

.h2{
  font-size:28px;
  font-weight:700;
  letter-spacing:-0.3px;
  color:var(--navy);
  margin:0 0 var(--space-6);
  line-height:1.25;
}
.h2.light{ color:var(--white); }
.h2.center{ text-align:center; max-width:720px; margin-left:auto; margin-right:auto; }

.h3{
  font-size:19px;
  font-weight:600;
  color:var(--navy);
  margin:0 0 var(--space-2);
}
.h3.light{ color:var(--white); }

.lead{
  font-size:18px;
  font-weight:500;
  color:var(--text-small);
  max-width:620px;
  margin:0 0 var(--space-8);
}
.lead.center{ margin-left:auto; margin-right:auto; text-align:center; }
.lead-light{ color:var(--ice-blue); }

.body-text{
  font-size:15px;
  font-weight:400;
  line-height:1.7;
  color:var(--text-body);
  margin:0 0 var(--space-4);
}
.light-muted{ color:#c3d6e0; }

.eyebrow{
  display:inline-block;
  font-size:11px;
  font-weight:700;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--cyan-light);
  margin-bottom:var(--space-4);
}
.eyebrow-light{ color:var(--cyan-light); }

/* ===== Botões ===== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:var(--space-2);
  font-family:var(--font-main);
  font-weight:600;
  font-size:14px;
  padding:13px 24px;
  border-radius:var(--radius-md);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:all .2s ease;
  white-space:nowrap;
}
.btn-primary{ background:var(--sky-blue); color:var(--white); }
.btn-primary:hover{ background:var(--sky-blue-dark); }
.btn-secondary-dark{ background:transparent; color:var(--cyan-light); border-color:var(--cyan-light); }
.btn-secondary-dark:hover{ background:rgba(94,196,232,0.1); }
.btn-dark{ background:var(--navy); color:var(--ice-blue); border-color:rgba(126,200,227,0.3); }
.btn-dark:hover{ background:#142028; }
.btn-ghost{ background:transparent; color:var(--text-small); }
.btn-lg{ padding:15px 28px; font-size:15px; }
.btn-sm{ padding:9px 18px; font-size:13px; }
.btn-block{ width:100%; justify-content:center; }

/* ===== Header ===== */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(13,27,34,0.97);
  border-bottom:1px solid rgba(126,200,227,0.12);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:var(--space-2); padding-bottom:var(--space-2);
}
.brand-logo{ height:40px; width:auto; }
.main-nav{ display:flex; align-items:center; gap:var(--space-8); }
.main-nav a{
  font-size:14px; font-weight:500; color:#cfe3ec;
  padding:var(--space-2) 0;
}
.main-nav a:hover{ color:var(--cyan-light); }
.nav-dropdown{ position:relative; }
.dropdown-panel{
  position:absolute; top:100%; left:0; min-width:200px;
  background:var(--deep-slate);
  border:1px solid rgba(126,200,227,0.15);
  border-radius:var(--radius-md);
  padding:var(--space-2);
  display:flex; flex-direction:column; gap:2px;
  opacity:0; visibility:hidden; transform:translateY(6px);
  transition:all .18s ease;
  box-shadow:0 12px 24px rgba(0,0,0,0.35);
}
.nav-dropdown:hover .dropdown-panel{ opacity:1; visibility:visible; transform:translateY(0); }
.dropdown-panel a{ padding:var(--space-2) var(--space-4); border-radius:var(--radius-sm); }
.dropdown-panel a:hover{ background:rgba(94,196,232,0.1); }
.nav-toggle{ display:none; background:none; border:none; flex-direction:column; gap:5px; cursor:pointer; padding:8px; }
.nav-toggle span{ width:22px; height:2px; background:var(--white); display:block; }

/* ===== Hero ===== */
.hero{
  position:relative;
  background:var(--navy);
  overflow:hidden;
  padding-top:calc(var(--space-16) + var(--space-8));
  padding-bottom:var(--space-16);
}
.hero-bg{ position:absolute; inset:0; overflow:hidden; pointer-events:none; }
.blob{
  position:absolute;
  border-radius:50%;
  filter:blur(60px);
  opacity:0.55;
}
.blob-1{
  width:560px; height:560px;
  background:radial-gradient(circle at 30% 30%, #3b82c4, transparent 70%);
  top:-220px; right:-160px;
}
.blob-2{
  width:420px; height:420px;
  background:radial-gradient(circle at 50% 50%, #5ec4e8, transparent 70%);
  bottom:-260px; left:-140px;
  opacity:0.35;
}
.dot{
  position:absolute; border-radius:50%;
  background:radial-gradient(circle at 35% 30%, #ffffff, #b7d9e8 70%);
  box-shadow:0 6px 16px rgba(0,0,0,0.35);
}
.dot-1{ width:18px; height:18px; top:18%; left:8%; }
.dot-2{ width:10px; height:10px; top:38%; right:18%; }
.dot-3{ width:26px; height:26px; bottom:14%; right:10%; }
.ring{
  position:absolute; border:5px solid rgba(126,200,227,0.5);
  border-radius:50%; width:46px; height:46px;
  top:10%; right:6%;
}
.hero-content{ position:relative; z-index:2; max-width:760px; }
.hero-ctas{ display:flex; gap:var(--space-4); flex-wrap:wrap; margin-top:var(--space-4); }
.hero-wave{ position:absolute; left:0; bottom:-1px; width:100%; height:90px; z-index:1; }

/* ===== Value props ===== */
.grid{ display:grid; gap:var(--space-6); }
.grid-3{ grid-template-columns:repeat(3, 1fr); }
.card{
  background:var(--white);
  border:1px solid #e7edf1;
  border-radius:var(--radius-lg);
  padding:var(--space-8) var(--space-6);
}
.pillar-card{ text-align:left; }
.pillar-icon{
  width:48px; height:48px;
  display:flex; align-items:center; justify-content:center;
  font-size:22px;
  background:var(--blue-light);
  border-radius:var(--radius-md);
  margin-bottom:var(--space-4);
}

/* ===== Produtos ===== */
.products .eyebrow{ display:block; text-align:center; }
.products > .container > .h2{ text-align:center; max-width:680px; margin-left:auto; margin-right:auto; }
.product-block{
  display:grid;
  grid-template-columns:1fr 280px;
  gap:var(--space-12);
  align-items:center;
  padding:var(--space-12) 0;
  border-top:1px solid rgba(126,200,227,0.14);
}
.product-block:first-of-type{ border-top:none; }
.product-block.reverse{ direction:rtl; }
.product-block.reverse .product-text{ direction:ltr; }
.product-tag{
  display:inline-block;
  font-size:11px; font-weight:700; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--sky-blue);
  background:rgba(59,130,196,0.15);
  padding:4px 10px;
  border-radius:var(--radius-full);
  margin-bottom:var(--space-4);
}
.product-tagline{
  font-size:18px; font-weight:600; color:var(--ice-blue);
  margin:0 0 var(--space-4);
}
.feature-list{ margin:var(--space-2) 0 var(--space-6); display:flex; flex-direction:column; gap:var(--space-2); }
.feature-list li{
  list-style:none;
  position:relative;
  padding-left:var(--space-6);
  color:#c3d6e0;
  font-size:14.5px;
  line-height:1.6;
}
.feature-list li::before{
  content:"";
  position:absolute; left:0; top:9px;
  width:8px; height:8px;
  background:var(--sky-blue);
  border-radius:50%;
}
.product-visual{
  display:flex; align-items:center; justify-content:center;
  height:220px;
  background:linear-gradient(135deg, rgba(59,130,196,0.18), rgba(94,196,232,0.08));
  border:1px solid rgba(126,200,227,0.2);
  border-radius:var(--radius-lg);
}
.visual-icon{ font-size:64px; }

/* ===== Para quem ===== */
.audience{ background:var(--blue-light); }
.persona-card{ background:var(--white); }

/* ===== Sobre ===== */
.about-inner{ max-width:760px; }

/* ===== CTA final ===== */
.cta-final{
  position:relative;
  background:var(--navy);
  overflow:hidden;
  padding:var(--space-16) 0;
}
.cta-final-inner{
  position:relative; z-index:2;
  display:grid;
  grid-template-columns:1fr 380px;
  gap:var(--space-12);
  align-items:start;
}
.contact-form{
  background:var(--deep-slate);
  border:1px solid rgba(126,200,227,0.18);
  border-radius:var(--radius-lg);
  padding:var(--space-8);
}
.form-field{ margin-bottom:var(--space-4); }
.form-field label{
  display:block; font-size:13px; font-weight:600; color:#c3d6e0; margin-bottom:6px;
}
.form-field input, .form-field textarea{
  width:100%;
  font-family:var(--font-main);
  font-size:14px;
  padding:11px 14px;
  border:1px solid #2a3a45;
  background:#0f1d24;
  color:var(--white);
  border-radius:7px;
  resize:vertical;
}
.form-field input::placeholder, .form-field textarea::placeholder{ color:#5a6f7a; }
.form-field input:focus, .form-field textarea:focus{
  outline:none;
  border-color:var(--sky-blue);
  box-shadow:0 0 0 3px rgba(59,130,196,0.15);
}
.form-feedback{
  margin-top:var(--space-4);
  font-size:13.5px;
  color:var(--cyan-light);
  text-align:center;
}

/* ===== Footer ===== */
.site-footer{ background:var(--navy); padding-top:var(--space-16); }
.footer-inner{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:var(--space-8);
  padding-bottom:var(--space-12);
  border-bottom:1px solid rgba(126,200,227,0.12);
}
.footer-logo{ height:34px; margin-bottom:var(--space-4); }
.footer-tagline{ color:#9bb6c2; font-size:13.5px; max-width:240px; }
.footer-col h4{ color:var(--white); font-size:14px; margin:0 0 var(--space-4); }
.footer-col a{ display:block; color:#9bb6c2; font-size:14px; margin-bottom:var(--space-2); }
.footer-col a:hover{ color:var(--cyan-light); }
.footer-legal{ padding:var(--space-6) 0; }
.footer-legal p{ color:#5a6f7a; font-size:12.5px; margin:0; }

/* ===== Responsivo ===== */
@media (max-width: 960px){
  .grid-3{ grid-template-columns:1fr; }
  .product-block, .product-block.reverse{ grid-template-columns:1fr; direction:ltr; }
  .cta-final-inner{ grid-template-columns:1fr; }
  .footer-inner{ grid-template-columns:1fr 1fr; }
}
@media (max-width: 760px){
  .main-nav{
    position:fixed; top:64px; left:0; right:0; bottom:0;
    background:var(--navy);
    flex-direction:column; align-items:flex-start;
    padding:var(--space-8) var(--space-6);
    gap:var(--space-4);
    transform:translateX(100%);
    transition:transform .25s ease;
  }
  .main-nav.open{ transform:translateX(0); }
  .dropdown-panel{ position:static; opacity:1; visibility:visible; transform:none; display:none; box-shadow:none; }
  .nav-dropdown.open .dropdown-panel{ display:flex; }
  .nav-toggle{ display:flex; }
  .header-cta{ display:none; }
  .footer-inner{ grid-template-columns:1fr; }
}