/* ==========================================================================
   ebinformatica — design tokens
   ========================================================================== */
:root{
  --blue: #38B6FF;
  --blue-deep: #0F5FA6;
  --blue-deeper: #0B4A85;
  --ink: #0B1B2B;
  --ink-soft: #13273C;
  --slate: #5B6B7C;
  --mist: #F4F8FB;
  --white: #FFFFFF;
  --whatsapp: #25D366;
  --whatsapp-dark: #1EBE5A;

  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 26px;

  --shadow-sm: 0 6px 16px rgba(11,27,43,.06);
  --shadow: 0 16px 40px rgba(11,27,43,.10);
  --shadow-lg: 0 24px 60px rgba(11,27,43,.16);

  --header-h: 76px;
  --container-w: 1180px;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  -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(--font-display); margin: 0; line-height: 1.15; color: var(--ink); }
p{ margin: 0; }
button{ font-family: inherit; }

.container{
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

:focus-visible{
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ==========================================================================
   Shared bits
   ========================================================================== */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue-deep);
  margin: 0 0 12px;
  font-weight: 500;
}
.text-gradient{
  background: linear-gradient(100deg, var(--blue) 0%, var(--blue-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{
  background: linear-gradient(100deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(56,182,255,.35);
}
.btn-primary:hover{ box-shadow: 0 14px 30px rgba(56,182,255,.45); }
.btn-outline{
  background: transparent;
  border-color: rgba(255,255,255,.35);
  color: var(--white);
}
.btn-outline:hover{ border-color: var(--white); background: rgba(255,255,255,.08); }
.btn-whatsapp{
  background: var(--whatsapp);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(37,211,102,.30);
}
.btn-whatsapp:hover{ background: var(--whatsapp-dark); }
.btn-lg{ padding: 17px 34px; font-size: 16px; }
.icon-wa{ width: 18px; height: 18px; flex-shrink: 0; }

.section-head{ max-width: 620px; margin: 0 0 52px; }
.section-lead{ margin-top: 14px; color: var(--slate); font-size: 16.5px; line-height: 1.6; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background-color .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background: rgba(11,27,43,.85);
  backdrop-filter: blur(10px);
  box-shadow: 0 6px 24px rgba(11,27,43,.15);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand{ display: flex; align-items: center; }
.brand-logo{ height: 42px; width: auto; }

.main-nav{ display: flex; align-items: center; gap: 32px; }
.main-nav ul{ display: flex; gap: 30px; }
.nav-link{
  font-size: 15px;
  font-weight: 500;
  color: var(--white);
  position: relative;
  padding: 6px 0;
}
.nav-link::after{
  content:"";
  position:absolute; left:0; bottom:0;
  width:0; height:2px;
  background: var(--blue);
  transition: width .25s ease;
}
.nav-link:hover::after{ width: 100%; }
.nav-cta{ padding: 11px 22px; font-size: 14px; }

.hamburger{
  display:none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  border: none;
  background: rgba(255,255,255,.08);
  border-radius: 10px;
  cursor: pointer;
  z-index: 110;
}
.hamburger span{
  display:block; width: 20px; height: 2px;
  background: var(--white);
  margin: 0 auto;
  transition: transform .25s ease, opacity .25s ease;
}
.hamburger[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 15% 20%, #12314f 0%, var(--ink) 55%);
  overflow: hidden;
  padding-top: var(--header-h);
}
.hero-bg{ position: absolute; inset: 0; z-index: 0; }
.hero-grid{ position:absolute; inset:0; width:100%; height:100%; opacity:.6; }
.hero-glow{
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .45;
}
.hero-glow-1{
  width: 480px; height: 480px;
  background: var(--blue);
  top: -120px; right: -80px;
}
.hero-glow-2{
  width: 360px; height: 360px;
  background: var(--blue-deep);
  bottom: -100px; left: 8%;
  opacity: .3;
}

.hero-inner{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 60px;
  align-items: center;
  padding: 60px 24px 80px;
}
.hero-copy h1{
  font-size: clamp(34px, 4.4vw, 54px);
  color: var(--white);
  font-weight: 600;
  letter-spacing: -.01em;
}
.hero-lead{
  margin-top: 20px;
  font-size: 18px;
  color: rgba(255,255,255,.72);
  max-width: 480px;
  line-height: 1.6;
}
.hero-actions{ display: flex; gap: 16px; flex-wrap: wrap; margin-top: 34px; }

/* Signature diagnostic panel */
.hero-panel{ display: flex; justify-content: center; }
.panel-window{
  width: 100%;
  max-width: 400px;
  background: rgba(19,39,60,.75);
  border: 1px solid rgba(56,182,255,.25);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,.02);
  backdrop-filter: blur(6px);
  overflow: hidden;
}
.panel-window-sm{ max-width: 360px; }
.panel-titlebar{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.dot{ width: 10px; height: 10px; border-radius: 50%; }
.dot-red{ background: #ff5f56; }
.dot-yellow{ background: #ffbd2e; }
.dot-green{ background: #27c93f; }
.panel-title{
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255,255,255,.45);
}
.panel-body{ padding: 22px 20px 26px; font-family: var(--font-mono); font-size: 13.5px; }
.panel-line{ color: rgba(255,255,255,.55); margin: 0 0 14px; }
.panel-line .prompt{ color: var(--blue); margin-right: 6px; }
.panel-checklist{ margin: 0 0 16px; display: flex; flex-direction: column; gap: 10px; }
.panel-checklist li{
  position: relative;
  padding-left: 26px;
  color: rgba(255,255,255,.4);
  transition: color .3s ease;
}
.panel-checklist li::before{
  content: "";
  position: absolute;
  left: 0; top: 2px;
  width: 15px; height: 15px;
  border-radius: 4px;
  border: 1.5px solid rgba(255,255,255,.25);
  transition: background-color .3s ease, border-color .3s ease;
}
.panel-checklist li.checked{ color: rgba(255,255,255,.85); }
.panel-checklist li.checked::before{
  background: var(--blue);
  border-color: var(--blue);
}
.panel-checklist li.checked::after{
  content: "";
  position: absolute;
  left: 4px; top: 5px;
  width: 7px; height: 4px;
  border-left: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(-45deg);
}
.panel-status{
  opacity: 0;
  transition: opacity .4s ease;
  color: var(--blue) !important;
}
.panel-status.visible{ opacity: 1; }
.cursor-blink{ animation: blink 1s step-start infinite; }
@keyframes blink{ 50%{ opacity: 0; } }

/* ==========================================================================
   Sobre
   ========================================================================== */
.about{ padding: 120px 0; background: var(--white); }
.about-inner{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: start;
}
.about-copy h2{ font-size: clamp(28px, 3vw, 36px); margin-bottom: 22px; }
.about-copy p{ color: var(--slate); font-size: 16px; line-height: 1.75; margin-bottom: 18px; }

.about-stats{ display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat-card{
  background: var(--mist);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.stat-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow); }
.stat-icon{ width: 30px; height: 30px; color: var(--blue-deep); margin-bottom: 16px; }
.stat-card h3{ font-size: 16.5px; margin-bottom: 8px; }
.stat-card p{ font-size: 14px; color: var(--slate); line-height: 1.5; }

/* ==========================================================================
   Serviços
   ========================================================================== */
.services{ padding: 120px 0; background: var(--mist); }
.services-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.service-card{
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid rgba(11,27,43,.06);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-card:hover{
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(56,182,255,.25);
}
.service-icon{
  width: 46px; height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(56,182,255,.14), rgba(15,95,166,.14));
  color: var(--blue-deep);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  transition: background .25s ease, color .25s ease;
}
.service-icon svg{ width: 22px; height: 22px; }
.service-card:hover .service-icon{
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  color: var(--white);
}
.service-card h3{ font-size: 16.5px; margin-bottom: 8px; }
.service-card p{ font-size: 14px; color: var(--slate); line-height: 1.55; }

.services-cta{ text-align: center; margin-top: 52px; }

/* ==========================================================================
   Blog
   ========================================================================== */
.blog{ padding: 120px 0; background: var(--white); }
.blog-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.blog-card{
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(11,27,43,.06);
  transition: transform .25s ease, box-shadow .25s ease;
  display: flex;
  flex-direction: column;
  padding-bottom: 24px;
}
.blog-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow); }
.blog-thumb{
  height: 150px;
  display: flex; align-items: center; justify-content: center;
}
.blog-thumb svg{ width: 46px; height: 46px; color: var(--white); opacity: .9; }
.blog-thumb-1{ background: linear-gradient(135deg, var(--blue), var(--blue-deep)); }
.blog-thumb-2{ background: linear-gradient(135deg, var(--blue-deep), var(--ink-soft)); }
.blog-thumb-3{ background: linear-gradient(135deg, #1c3a57, var(--ink)); }
.blog-tag{
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--blue-deep);
  margin: 20px 24px 0;
}
.blog-card h3{ font-size: 17px; margin: 10px 24px 0; }
.blog-card p{ font-size: 14px; color: var(--slate); line-height: 1.55; margin: 10px 24px 0; flex-grow: 1; }
.blog-link{
  margin: 16px 24px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-deep);
  transition: gap .2s ease;
}
.blog-link:hover{ color: var(--blue); }

/* ==========================================================================
   Contato
   ========================================================================== */
.contact{ padding: 120px 0; background: var(--ink); position: relative; overflow: hidden; }
.contact::before{
  content:"";
  position: absolute;
  width: 500px; height: 500px;
  background: var(--blue);
  filter: blur(140px);
  opacity: .18;
  top: -180px; right: -120px;
  border-radius: 50%;
}
.contact-inner{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 60px;
  align-items: center;
}
.contact-copy .eyebrow{ color: var(--blue); }
.contact-copy h2{ color: var(--white); font-size: clamp(28px, 3vw, 38px); margin-bottom: 14px; }
.contact-copy > p{ color: rgba(255,255,255,.65); font-size: 16.5px; line-height: 1.6; max-width: 460px; }
.contact-detail{
  display: flex; align-items: center; gap: 12px;
  margin: 28px 0 32px;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 15px;
}
.contact-detail svg{ width: 20px; height: 20px; color: var(--blue); flex-shrink: 0; }
.contact-visual{ display: flex; justify-content: center; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{ background: var(--ink-soft); color: rgba(255,255,255,.75); }
.footer-inner{
  padding: 70px 24px 50px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-logo{ height: 34px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-brand p{ font-size: 14px; line-height: 1.6; color: rgba(255,255,255,.5); max-width: 280px; }
.footer-social{ display: flex; gap: 12px; margin-top: 20px; }
.social-link{
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  display: flex; align-items: center; justify-content: center;
  transition: background .2s ease, transform .2s ease;
}
.social-link svg{ width: 17px; height: 17px; }
.social-link:hover{ background: var(--blue); transform: translateY(-2px); }
.footer-col h4{ color: var(--white); font-size: 14.5px; margin-bottom: 18px; font-family: var(--font-body); font-weight: 600; }
.footer-col ul{ display: flex; flex-direction: column; gap: 11px; }
.footer-col a, .footer-col span{ font-size: 14px; color: rgba(255,255,255,.55); transition: color .2s ease; }
.footer-col a:hover{ color: var(--blue); }
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0;
}
.footer-bottom p{ font-size: 13px; color: rgba(255,255,255,.4); text-align: center; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px){
  .hero-inner{ grid-template-columns: 1fr; text-align: left; }
  .hero-panel{ justify-content: flex-start; }
  .about-inner{ grid-template-columns: 1fr; }
  .services-grid{ grid-template-columns: repeat(2, 1fr); }
  .blog-grid{ grid-template-columns: repeat(2, 1fr); }
  .contact-inner{ grid-template-columns: 1fr; }
  .contact-visual{ justify-content: flex-start; }
  .footer-inner{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px){
  .main-nav{
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(320px, 82vw);
    background: var(--ink);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 40px;
    padding: 40px 36px;
    transform: translateX(100%);
    transition: transform .35s ease;
    box-shadow: -20px 0 50px rgba(0,0,0,.3);
  }
  .main-nav.is-open{ transform: translateX(0); }
  .main-nav ul{ flex-direction: column; gap: 22px; }
  .nav-link{ font-size: 19px; }
  .nav-cta{ width: 100%; justify-content: center; }
  .hamburger{ display: flex; }
}

@media (max-width: 640px){
  :root{ --container-w: 100%; }
  .container{ padding: 0 20px; }
  .hero-actions{ flex-direction: column; align-items: stretch; }
  .about-stats{ grid-template-columns: 1fr; }
  .services-grid{ grid-template-columns: 1fr; }
  .blog-grid{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr; gap: 34px; }
  .services{ padding: 80px 0; }
  .blog{ padding: 80px 0; }
  .about{ padding: 80px 0; }
  .contact{ padding: 80px 0; }
}