/* =========================================================================
   NTPS — Sistema visual
   Tecnologia + Inteligência + Confiança. B2B, limpo, sofisticado.
   ========================================================================= */
:root{
  --bg:            #0b1220;
  --bg-soft:       #0f1a2e;
  --surface:       #ffffff;
  --surface-2:     #f5f7fb;
  --ink:           #10151f;
  --ink-soft:      #46536b;
  --line:          #e2e7f0;
  --brand:         #1f6feb;   /* azul NTPS modernizado */
  --brand-ink:     #0b4fbf;
  --brand-soft:    #e8f0fe;
  --accent:        #17c3b2;   /* dado / inteligência */
  --warn:          #f5a524;
  --radius:        14px;
  --radius-sm:     10px;
  --shadow:        0 1px 2px rgba(16,21,31,.04), 0 8px 30px rgba(16,21,31,.06);
  --shadow-lg:     0 20px 60px rgba(11,18,32,.14);
  --maxw:          1160px;
  --font:          "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--surface);
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em;font-weight:700}
h1{font-size:clamp(2.1rem,4.5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-size:1.2rem}
p{margin:0 0 1rem}
/* Links sem sublinhado em todo o site (inclusive hover/foco e conteúdo de artigos) */
a,a:hover,a:focus,a:active{color:var(--brand-ink);text-decoration:none}
a:hover{opacity:.82}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:56px 0}
.section--dark{background:var(--bg);color:#dbe4f3}
.section--soft{background:var(--surface-2)}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:600;color:var(--brand);margin-bottom:14px}
.section--dark .eyebrow{color:var(--accent)}
.lead{font-size:1.15rem;color:var(--ink-soft);max-width:60ch}
.section--dark .lead{color:#9fb3d1}
.muted{color:var(--ink-soft)}
.center{text-align:center}
.stack-sm>*+*{margin-top:10px}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:.98rem;
  padding:.85rem 1.4rem;border-radius:999px;border:1px solid transparent;cursor:pointer;
  transition:transform .12s ease, box-shadow .2s ease, background .2s ease;text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn{white-space:nowrap}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 8px 24px rgba(31,111,235,.32)}
.btn--primary:hover{background:var(--brand-ink)}
.btn--ghost{background:transparent;color:inherit;border-color:currentColor;opacity:.9}
.btn--ghost:hover{opacity:1}
.btn--lg{padding:1rem 1.7rem;font-size:1.05rem}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand img{height:34px;width:auto}
.brand span{font-size:1.05rem;letter-spacing:-.01em}
.nav{display:flex;align-items:center;gap:28px}
.nav a{color:var(--ink-soft);font-weight:500;font-size:.95rem}
.nav a:hover{color:var(--ink);text-decoration:none}
.nav__cta{margin-left:6px;padding:.6rem 1.05rem;font-size:.9rem;flex-shrink:0}
.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;color:var(--ink)}
@media(max-width:900px){
  .nav{position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
       background:#fff;border-bottom:1px solid var(--line);padding:8px 24px 20px;display:none}
  .nav.is-open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav__cta{margin:14px 0 0}
  .nav-toggle{display:block}
}

/* ---------- Hero ---------- */
.hero{position:relative;background:radial-gradient(1200px 600px at 70% -10%, #16305c 0%, var(--bg) 55%);color:#eaf1fb;overflow:hidden}
.hero__grid{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(700px 400px at 75% 10%,#000,transparent)}
.hero__inner{position:relative;padding:96px 0 88px;max-width:760px}
.hero h1{color:#fff}
.hero p{font-size:1.2rem;color:#a9bcda;max-width:56ch}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero__eq{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px}
.hero__eq span{font-size:.82rem;font-weight:600;letter-spacing:.04em;padding:.4rem .8rem;border:1px solid rgba(255,255,255,.16);border-radius:999px;color:#cdd9ee}

/* ---------- Grid / Cards ---------- */
.grid{display:grid;gap:22px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid--3,.grid--4{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .15s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.card h3{margin-bottom:.35em}
.card p{color:var(--ink-soft);margin:0}
.card__link{display:inline-block;margin-top:14px;font-weight:600}
.section--dark .card{background:var(--bg-soft);border-color:rgba(255,255,255,.08);box-shadow:none;color:#dbe4f3}
.section--dark .card p{color:#9fb3d1}

.icon{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-ink);margin-bottom:16px;font-weight:700}
.section--dark .icon{background:rgba(23,195,178,.12);color:var(--accent)}

/* ---------- Lista de problemas ---------- */
.problem-list{display:grid;gap:14px;grid-template-columns:repeat(2,1fr)}
@media(max-width:720px){.problem-list{grid-template-columns:1fr}}
.problem-list li{list-style:none;padding:16px 18px;background:var(--surface-2);border-radius:var(--radius-sm);border:1px solid var(--line);font-weight:500}

/* ---------- Metodologia (timeline) ---------- */
.steps{counter-reset:step;display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.steps{grid-template-columns:1fr}}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.step__num{font-size:.85rem;font-weight:700;color:var(--brand);letter-spacing:.1em}
.step h3{margin:.4em 0 .2em;font-size:1.05rem}
.step p{margin:0;color:var(--ink-soft);font-size:.95rem}

/* ---------- Fluxo IA ---------- */
.flow{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:16px 18px;background:var(--bg-soft);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-sm);margin-bottom:12px}
.flow span{font-size:.9rem;font-weight:600;color:#dbe4f3}
.flow i{color:var(--accent);font-style:normal}

/* ---------- Selo / status ---------- */
.tag{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:.3rem .6rem;border-radius:999px}
.tag--disponivel{background:#e4f8ef;color:#0b7a43}
.tag--beta{background:#e8f0fe;color:var(--brand-ink)}
.tag--em-breve{background:#fff2dd;color:#9a6400}

/* ---------- Produto destaque ---------- */
.feature{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
@media(max-width:820px){.feature{grid-template-columns:1fr}}
.feature__panel{background:linear-gradient(160deg,#12305d,#0b1220);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:32px;color:#dbe4f3}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:.95rem}
.kv dt{color:var(--ink-soft);font-weight:600}
.section--dark .kv dt{color:#9fb3d1}

/* ---------- Forms ---------- */
.form{display:grid;gap:18px;max-width:640px}
.form--wide{max-width:820px;grid-template-columns:1fr 1fr}
@media(max-width:640px){.form--wide{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px}
.field--full{grid-column:1/-1}
.field label{font-weight:600;font-size:.92rem}
.field input,.field select,.field textarea{
  font:inherit;padding:.75rem .85rem;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;color:var(--ink)
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.field textarea{min-height:120px;resize:vertical}
.field .err{color:#c0322b;font-size:.85rem}
.hp{position:absolute;left:-9999px}
.flash{padding:14px 16px;border-radius:var(--radius-sm);background:#e4f8ef;border:1px solid #b7e6cd;margin-bottom:20px}
.flash--error{background:#fdecec;border-color:#f4c4c1}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--brand),#123e8f);color:#fff;border-radius:var(--radius);padding:44px;text-align:center}
.cta-band h2{color:#fff}
.cta-band .btn--primary{background:#fff;color:var(--brand-ink)}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg);color:#9fb3d1;padding:56px 0 28px}
.site-footer a{color:#cdd9ee}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-grid h4{color:#fff;font-size:.9rem;text-transform:uppercase;letter-spacing:.08em}
.footer-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:8px;font-size:.92rem}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- utilit. ---------- */
.prose{max-width:68ch}
.prose p{color:var(--ink-soft)}
.breadcrumb{font-size:.85rem;color:var(--ink-soft);margin-bottom:18px}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}
.pill-row a,.pill-row span{font-size:.85rem;padding:.35rem .7rem;border:1px solid var(--line);border-radius:999px;color:var(--ink-soft)}
.pill-row a.is-active{background:var(--brand);color:#fff;border-color:var(--brand)}
ul.check{list-style:none;padding:0;display:grid;gap:10px}
ul.check li{padding-left:26px;position:relative}
ul.check li::before{content:"→";position:absolute;left:0;color:var(--brand);font-weight:700}

@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}