/* EFC Informática e Segurança — estilos */
:root {
  --azul-escuro: #0f2744;
  --azul-petroleo: #0b3a5b;
  --azul-medio: #14467a;
  --ciano: #22d3ee;
  --ciano-strong: #06b6d4;
  --branco: #ffffff;
  --cinza-bg: #f4f7fb;
  --cinza-borda: #e4ebf3;
  --cinza-texto: #4a5a6b;
  --texto: #0b1c33;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(15, 39, 68, 0.06);
  --shadow-md: 0 10px 30px rgba(15, 39, 68, 0.10);
  --max: 1140px;
  --transition: 200ms ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--texto);
  background: var(--branco);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; color: var(--texto); }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 1.125rem; font-weight: 600; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Acessibilidade */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--azul-escuro); color: #fff; padding: 10px 14px; z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }
:focus-visible { outline: 3px solid var(--ciano); outline-offset: 2px; border-radius: 6px; }

/* HEADER */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--cinza-borda);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 16px;
}
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; }
.logo-mark {
  background: var(--azul-escuro); color: #fff;
  padding: 6px 10px; border-radius: 8px;
  font-weight: 800; letter-spacing: .04em; font-size: .9rem;
}
.logo-text { color: var(--texto); font-size: 1.02rem; }
.logo-text em { color: var(--cinza-texto); font-style: normal; font-weight: 500; }

.nav { display: flex; align-items: center; gap: 22px; }
.nav a { color: var(--texto); font-weight: 500; font-size: .96rem; }
.nav a:hover { color: var(--azul-medio); }

.hamburger {
  display: none; background: transparent; border: 0; padding: 8px;
  flex-direction: column; gap: 5px; cursor: pointer;
}
.hamburger span { width: 24px; height: 2px; background: var(--texto); border-radius: 2px; transition: var(--transition); }
.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); }

/* BOTÕES */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; border-radius: var(--radius-sm);
  padding: 12px 20px; font-size: .98rem;
  border: 1.5px solid transparent; cursor: pointer;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn-sm { padding: 9px 14px; font-size: .9rem; }
.btn-lg { padding: 15px 26px; font-size: 1.02rem; }
.btn-primary {
  background: var(--ciano-strong); color: #042033;
  box-shadow: 0 6px 16px rgba(6, 182, 212, .35);
}
.btn-primary:hover { background: var(--ciano); transform: translateY(-1px); box-shadow: 0 10px 22px rgba(6, 182, 212, .4); }
.btn-ghost { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost:hover { background: rgba(255,255,255,.15); }
.btn-outline { background: transparent; color: var(--azul-escuro); border-color: var(--azul-escuro); }
.btn-outline:hover { background: var(--azul-escuro); color: #fff; }

/* HERO */
.hero { position: relative; color: #fff; overflow: hidden; isolation: isolate; }
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(34, 211, 238, .25), transparent 60%),
    radial-gradient(700px 400px at 10% 110%, rgba(20, 70, 122, .55), transparent 60%),
    linear-gradient(135deg, #0a1d36 0%, #0f2744 55%, #0b3a5b 100%);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero-inner { padding: 84px 20px 96px; max-width: 960px; }
.eyebrow {
  display: inline-block; font-size: .82rem; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ciano);
  background: rgba(34, 211, 238, .12); padding: 6px 12px; border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, .3); margin-bottom: 18px;
}
.eyebrow.dark { color: var(--azul-medio); background: rgba(20, 70, 122, .08); border-color: rgba(20, 70, 122, .18); }
.hero h1 { color: #fff; }
.hero .lead { font-size: 1.12rem; color: rgba(255,255,255,.85); max-width: 640px; margin-top: 8px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-bullets {
  list-style: none; padding: 0; margin: 36px 0 0;
  display: flex; flex-wrap: wrap; gap: 10px 26px;
  color: rgba(255,255,255,.82); font-size: .94rem;
}
.hero-bullets li { position: relative; padding-left: 22px; }
.hero-bullets li::before {
  content: ""; position: absolute; left: 0; top: 7px;
  width: 12px; height: 12px; border-radius: 999px;
  background: var(--ciano); box-shadow: 0 0 0 4px rgba(34, 211, 238, .2);
}

/* SEÇÕES */
.section { padding: 80px 0; }
.section-alt { background: var(--cinza-bg); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-sub { color: var(--cinza-texto); font-size: 1.04rem; }

/* CARDS */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--cinza-borda);
  border-radius: var(--radius); padding: 26px 22px;
  box-shadow: var(--shadow-sm); transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #cfe1f4; }
.card-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, var(--azul-escuro), var(--azul-medio));
  color: var(--ciano); display: grid; place-items: center;
  margin-bottom: 16px;
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { color: var(--azul-escuro); margin-bottom: 10px; }
.card ul { list-style: none; padding: 0; margin: 0; }
.card ul li {
  position: relative; padding-left: 20px; font-size: .94rem;
  color: var(--cinza-texto); margin-bottom: 8px;
}
.card ul li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 8px; height: 8px; border-radius: 999px; background: var(--ciano-strong);
}

/* BENEFÍCIOS */
.benefits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.benefit {
  background: #fff; border: 1px solid var(--cinza-borda);
  border-radius: var(--radius); padding: 26px 22px; text-align: left;
}
.benefit-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(6, 182, 212, .12); color: var(--azul-petroleo);
  display: grid; place-items: center; margin-bottom: 14px;
}
.benefit-icon svg { width: 24px; height: 24px; }
.benefit h3 { color: var(--azul-escuro); }
.benefit p { color: var(--cinza-texto); font-size: .96rem; margin: 0; }

/* CTA FINAL */
.cta-final {
  background: linear-gradient(135deg, #0f2744 0%, #14467a 100%);
  color: #fff; padding: 64px 0;
}
.cta-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 28px; flex-wrap: wrap;
}
.cta-final h2 { color: #fff; margin-bottom: 6px; }
.cta-final p { color: rgba(255,255,255,.82); margin: 0; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-final .btn-outline { color: #fff; border-color: rgba(255,255,255,.6); }
.cta-final .btn-outline:hover { background: #fff; color: var(--azul-escuro); border-color: #fff; }

/* FOOTER */
.site-footer { background: #07182c; color: rgba(255,255,255,.8); padding: 48px 0 24px; }
.footer-inner {
  display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand { color: #fff; font-weight: 700; margin: 0 0 4px; }
.footer-tag { margin: 0; font-size: .95rem; color: rgba(255,255,255,.65); }
.footer-contact { display: flex; flex-direction: column; gap: 6px; font-size: .95rem; }
.footer-contact a:hover { color: var(--ciano); }
.footer-bottom { padding-top: 18px; color: rgba(255,255,255,.55); font-size: .85rem; }

/* CTA mobile fixo */
.cta-mobile {
  display: none;
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 60;
  background: var(--ciano-strong); color: #042033;
  text-align: center; padding: 14px 18px; font-weight: 700;
  border-radius: 12px; box-shadow: 0 10px 24px rgba(6, 182, 212, .35);
}

/* RESPONSIVO */
@media (max-width: 980px) {
  .cards, .benefits { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .hamburger { display: inline-flex; }
  .nav {
    position: absolute; top: 68px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--cinza-borda);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 16px 16px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav a { padding: 12px 6px; border-bottom: 1px solid var(--cinza-borda); }
  .nav a:last-child { border-bottom: 0; margin-top: 8px; }
  .hero-inner { padding: 64px 20px 84px; }
  .section { padding: 60px 0; }
  .cta-inner { text-align: left; }
  .cta-mobile { display: block; }
  body { padding-bottom: 76px; }
}
@media (max-width: 520px) {
  .cards, .benefits { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
}