/* =========================================================
   styles.css — iS-Post (tema escuro + off-canvas mobile)
   Layout completo e responsivo
   ========================================================= */

/* ---------- Variáveis ---------- */
:root{
  --bg:#0a1222;
  --bg-grad: radial-gradient(1200px 500px at 50% -150px,#14213f66,transparent 70%);
  --surface:#111c36;
  --surface-2:#0f1a31;
  --text:#e9eef7;
  --muted:#a8b3c7;
  --brand:#4bb8ff;
  --brand-hi:#86d5ff;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 12px 28px rgba(0,0,0,.35);
  --header-h:64px;
  --maxw:1120px;
}

/* ---------- Reset / Base ---------- */
*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:Inter,system-ui,Segoe UI,Roboto,Arial,Helvetica,sans-serif;
  color:var(--text);
  background:var(--bg-grad),var(--bg);
  line-height:1.55;
  padding-top:var(--header-h);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section.alt{background:linear-gradient(180deg,rgba(255,255,255,.03),transparent)}
.section-title{font-size:clamp(1.5rem,2.8vw,2.25rem);margin:0 0 22px}
.muted{color:var(--muted)}

/* =========================================================
   HEADER FIXO + MENUS
   ========================================================= */
.header{
  position:fixed;inset:0 0 auto 0;height:var(--header-h);z-index:1000;
  background:#071021cc;backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav{height:100%;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800}
.brand-mark{width:28px;height:28px;object-fit:contain}

.menu.desktop{display:flex;align-items:center;gap:26px;margin-left:auto}
.menu.desktop a{
  color:var(--text);opacity:.9;padding:8px 6px;border-radius:8px;
  transition:opacity .15s, transform .15s
}
.menu.desktop a:hover{opacity:1;transform:translateY(-1px)}

.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 16px;border-radius:12px;border:none;
  background:linear-gradient(135deg,var(--brand),var(--brand-hi));
  color:#061224!important;font-weight:800;cursor:pointer;
  box-shadow:var(--shadow)
}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.14);
  color:var(--text)
}

/* ---------- Hambúrguer (mobile) ---------- */
.hamb{
  margin-left:auto;background:none;border:0;color:var(--text);
  display:none;flex-direction:column;gap:5px;cursor:pointer
}
.hamb span{width:26px;height:3px;background:#fff;border-radius:3px}

/* ---------- Overlay + Off-canvas ---------- */
.overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(3px);
  z-index:1050;opacity:0;pointer-events:none;transition:opacity .28s ease
}
.overlay.show{opacity:1;pointer-events:auto}

.menu-mobile{
  position:fixed;top:0;right:-300px;width:280px;height:100vh;z-index:1100;
  background:var(--surface);padding:84px 22px 24px;
  display:flex;flex-direction:column;gap:18px;transition:right .28s ease;
  box-shadow:-16px 0 40px rgba(0,0,0,.45)
}
.menu-mobile a{
  color:#fff;font-weight:600;font-size:1.05rem;
  padding:12px 10px;border-radius:10px;transition:background .15s
}
.menu-mobile a:hover{background:rgba(255,255,255,.06)}
.menu-mobile .btn-primary{margin-top:6px}
.menu-mobile.show{right:0}

/* =========================================================
   HERO
   ========================================================= */
.hero{padding:48px 0 28px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center}
.hero-copy h1{font-size:clamp(1.7rem,3.2vw,2.4rem);margin:0 0 14px}
.hero-copy p{color:var(--muted);margin:0 0 20px}
.hero-actions{display:flex;gap:12px;margin:14px 0 18px}
.hero-bullets{margin:12px 0 0;padding-left:18px;color:var(--muted)}
.hero-bullets li{margin:6px 0}
.hero-media{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow)
}

/* =========================================================
   CARDS DAS TELAS — texto em cima, imagem abaixo
   ========================================================= */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  display:flex;flex-direction:column;background:var(--surface-2);
  border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow)
}
.card-body{
  padding:16px 16px 14px;display:flex;flex-direction:column;gap:10px;background:var(--surface-2)
}
.card-body h3{margin:0;font-size:1.08rem;line-height:1.25}
.card-body p{
  margin:0;color:var(--muted);
  display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis;
  word-break:break-word;
}
.card-media{aspect-ratio:4/3;background:#0b152c;border-top:1px solid rgba(255,255,255,.06)}
.card-media img{width:100%;height:100%;object-fit:cover}

/* =========================================================
   COMO FUNCIONA — steps
   ========================================================= */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{
  background:var(--surface-2);border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius);padding:20px 18px;min-height:160px
}
.step-num{
  display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-hi));color:#061224;font-weight:900;margin-bottom:8px
}

/* =========================================================
   REQUISITOS
   ========================================================= */
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.req-item{
  background:var(--surface-2);border:1px solid rgba(255,255,255,.06);
  padding:16px;border-radius:var(--radius-sm);text-align:center;color:var(--muted)
}

/* =========================================================
   FORMULÁRIO (novo layout com mais espaço)
   ========================================================= */
.form-contato{
  max-width:820px;margin:0 auto;background:var(--surface-2);
  border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:34px;
  box-shadow:0 8px 26px rgba(0,0,0,.35)
}
.form-contato .row{display:flex;gap:22px;flex-wrap:wrap;margin-bottom:18px}
.form-contato .field{flex:1;display:flex;flex-direction:column}
.form-contato label{font-weight:700;margin-bottom:8px}
.form-contato input,.form-contato select,.form-contato textarea{
  background:#0b152c;border:1px solid rgba(255,255,255,.18);border-radius:12px;
  color:var(--text);padding:14px 16px;font-size:1.02rem;transition:.2s
}
.form-contato textarea{min-height:140px;resize:vertical}
.form-contato input:focus,.form-contato select:focus,.form-contato textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(75,184,255,.20);outline:none
}

/* Chips / opções (se usar) */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.chips label{
  display:inline-flex;align-items:center;gap:8px;
  background:#0b152c;border:1px solid rgba(255,255,255,.14);
  padding:10px 14px;border-radius:999px;cursor:pointer;color:var(--text)
}
.chips input{accent-color:var(--brand)}

/* Captcha aritmético */
.captcha-row{display:flex;gap:12px;align-items:center;margin-top:8px}
.captcha-row .expr{font-weight:800;color:var(--text);padding:10px 14px;border-radius:10px;background:#0b152c;border:1px solid rgba(255,255,255,.18)}
.captcha-row input{max-width:140px}

/* Botão enviar */
.btn-enviar{
  display:block;width:100%;margin-top:26px;padding:16px 0;font-size:1.08rem;font-weight:800;
  border:none;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-hi));
  color:#061224;cursor:pointer;transition:transform .15s, box-shadow .2s
}
.btn-enviar:hover{transform:translateY(-2px);box-shadow:0 6px 14px rgba(75,184,255,.4)}

/* Campo honeypot */
.hp{position:absolute;left:-9999px}

/* =========================================================
   RODAPÉ
   ========================================================= */
.footer{padding:42px 0;border-top:1px solid rgba(255,255,255,.08);background:linear-gradient(180deg,transparent,#0a1428)}
.foot-grid{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}
.foot-links{display:flex;flex-wrap:wrap;gap:16px}
.foot-links a{color:var(--muted)}
.foot-links a:hover{color:var(--text)}

/* ---------- Botão flutuante (voltar ao topo) ---------- */
.back-to-menu{
  position:fixed;right:18px;bottom:18px;z-index:1200;width:48px;height:48px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
  background:linear-gradient(135deg,var(--brand),var(--brand-hi));color:#061224;
  font-weight:900;font-size:20px;cursor:pointer;display:grid;place-items:center;
  box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(10px);transition:.2s
}
.back-to-menu.show{opacity:1;pointer-events:auto;transform:translateY(0)}

/* =========================================================
   RESPONSIVO
   ========================================================= */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr;gap:20px}
}
@media (max-width:980px){
  .menu.desktop{display:none}
  .hamb{display:flex}
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .req-grid{grid-template-columns:1fr}
}
@media (max-width:600px){
  .section{padding:64px 0}
  .cards{grid-template-columns:1fr}
  .form-contato{padding:22px}
  .form-contato .row{flex-direction:column;gap:16px}
}

/* ---- (Opcional) esconder botão "Contato" do menu ----
.menu.desktop a.btn-primary[href="#contato"],
.menu-mobile a.btn-primary[href="#contato"]{display:none!important}
*/