/* ============================================
   MBI — Tecnologia & Inteligência
   Identidade: futuro (azul elétrico, sans geométrica)
   sobre tradição (dourado, serifa itálica)
   ============================================ */

:root {
  --bg: #060b16;
  --bg-2: #0b1424;
  --panel: #101b30;
  --panel-2: #14213a;
  --line: rgba(255, 255, 255, 0.08);
  --text: #e8edf6;
  --muted: #93a1b8;
  --blue: #4c7dff;
  --blue-soft: rgba(76, 125, 255, 0.14);
  --gold: #d6a55c;
  --gold-soft: rgba(214, 165, 92, 0.12);
  --ok: #3ecf8e;
  --radius: 16px;
  --font-sans: "Space Grotesk", system-ui, sans-serif;
  --font-serif: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { width: min(1160px, 92%); margin: 0 auto; }

/* ---------- Tipografia ---------- */
h1, h2, h3, h4 { font-family: var(--font-sans); font-weight: 600; line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.9rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.25rem; }
.serif { font-family: var(--font-serif); font-style: italic; font-weight: 400; color: var(--gold); }
.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--blue); }
.lead { color: var(--muted); font-size: 1.08rem; max-width: 640px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  padding: 18px 0;
  transition: background 0.35s, box-shadow 0.35s, padding 0.35s;
}
.site-header.scrolled {
  background: rgba(6, 11, 22, 0.85);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
  padding: 12px 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand svg { width: 38px; height: 38px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: var(--font-sans); font-weight: 700; font-size: 1.35rem; letter-spacing: 0.04em; }
.brand-tag { font-size: 0.62rem; letter-spacing: 0.28em; text-transform: uppercase; color: var(--muted); }

.nav { display: flex; align-items: center; gap: 30px; }
.nav a {
  font-family: var(--font-sans); font-size: 0.92rem; font-weight: 500;
  color: var(--muted); transition: color 0.25s; position: relative;
}
.nav a:hover, .nav a.active { color: var(--text); }
.nav a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 2px; background: var(--blue); border-radius: 2px;
}
.nav .btn { color: #fff; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; z-index: 110; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--text); margin: 6px 0; transition: 0.3s; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-sans); font-weight: 600; font-size: 0.95rem;
  padding: 14px 28px; border-radius: 999px; cursor: pointer;
  border: 0; transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue), #6d5bff);
  color: #fff;
  box-shadow: 0 8px 30px rgba(76, 125, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(76, 125, 255, 0.5); }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-gold {
  background: transparent; color: var(--gold);
  border: 1px solid rgba(214, 165, 92, 0.4);
}
.btn-gold:hover { background: var(--gold-soft); }
.btn-whatsapp { background: #25d366; color: #06240f; }
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(37, 211, 102, 0.35); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
}
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 45%, transparent 0%, rgba(6, 11, 22, 0.55) 70%, var(--bg) 100%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; padding: 140px 0 100px; }
.hero-content h1 { max-width: 780px; margin-bottom: 24px; }
.hero-content .lead { margin-bottom: 40px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  z-index: 2; color: var(--muted); font-size: 0.75rem; letter-spacing: 0.2em;
  text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.hero-scroll::after {
  content: ""; width: 1px; height: 44px;
  background: linear-gradient(var(--blue), transparent);
  animation: drip 2s ease-in-out infinite;
}
@keyframes drip { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* Hero interno (páginas secundárias) */
.page-hero {
  padding: 170px 0 70px;
  background:
    radial-gradient(ellipse at 80% -20%, var(--blue-soft), transparent 55%),
    radial-gradient(ellipse at 10% 10%, var(--gold-soft), transparent 45%),
    var(--bg-2);
  border-bottom: 1px solid var(--line);
}

/* ---------- Seções ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head.center .eyebrow::before { display: none; }
.section-head .lead { margin-top: 16px; }

/* ---------- Barra de confiança ---------- */
.trustbar { padding: 34px 0; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.trustbar-label { text-align: center; font-size: 0.72rem; letter-spacing: 0.26em; text-transform: uppercase; color: var(--muted); margin-bottom: 20px; }
.trustbar-logos {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 40px;
  font-family: var(--font-sans); font-weight: 600; font-size: 1.02rem;
  color: rgba(232, 237, 246, 0.55);
}
.trustbar-logos span { transition: color 0.3s; white-space: nowrap; }
.trustbar-logos span:hover { color: var(--text); }

/* ---------- Grids e cards ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}
.card:hover { transform: translateY(-5px); border-color: rgba(76, 125, 255, 0.4); box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4); }
.card h3 { margin: 18px 0 10px; }
.card p { color: var(--muted); font-size: 0.95rem; }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: var(--blue-soft); color: var(--blue); font-size: 1.4rem;
}
.card-icon.gold { background: var(--gold-soft); color: var(--gold); }
.card-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; font-family: var(--font-sans); font-weight: 600; font-size: 0.88rem; color: var(--blue); }
.card-link:hover { gap: 12px; }
.card-link { transition: gap 0.25s; }

/* Números */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; padding: 30px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,0.02); }
.stat-num { font-family: var(--font-sans); font-size: 2.4rem; font-weight: 700; background: linear-gradient(135deg, var(--blue), var(--gold)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-label { color: var(--muted); font-size: 0.85rem; margin-top: 6px; }

/* Manifesto */
.manifesto { text-align: center; max-width: 860px; margin: 0 auto; }
.manifesto blockquote {
  font-family: var(--font-serif); font-style: italic; font-weight: 400;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem); line-height: 1.4; color: var(--text);
}
.manifesto blockquote strong { color: var(--gold); font-weight: 500; }
.manifesto cite { display: block; margin-top: 28px; font-family: var(--font-sans); font-style: normal; font-size: 0.85rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }

/* Cases */
.case-card { display: flex; flex-direction: column; }
.case-sector { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); font-family: var(--font-sans); font-weight: 600; }
.case-card h3 { margin: 12px 0 8px; }
.case-meta { margin-top: auto; padding-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-size: 0.72rem; font-family: var(--font-sans); font-weight: 500;
  padding: 5px 12px; border-radius: 999px;
  background: var(--blue-soft); color: var(--blue);
}
.tag.gold { background: var(--gold-soft); color: var(--gold); }

/* Timeline / metodologia */
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; counter-reset: step; }
.tl-step { position: relative; padding: 26px 20px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.tl-step::before {
  counter-increment: step; content: "0" counter(step);
  font-family: var(--font-sans); font-weight: 700; font-size: 0.85rem;
  color: var(--blue); display: block; margin-bottom: 10px;
}
.tl-step h4 { font-size: 1rem; margin-bottom: 6px; }
.tl-step p { font-size: 0.84rem; color: var(--muted); }

/* ---------- Ferramentas interativas ---------- */
.tool-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 44px;
  margin-top: 30px;
}
.tool-panel h3 { font-size: 1.4rem; }

.field { margin-bottom: 22px; }
.field label { display: block; font-family: var(--font-sans); font-weight: 600; font-size: 0.9rem; margin-bottom: 8px; }
.field select, .field input[type="text"], .field input[type="number"], .field textarea {
  width: 100%; padding: 13px 16px; border-radius: 12px;
  background: var(--bg-2); border: 1px solid var(--line); color: var(--text);
  font-family: var(--font-body); font-size: 0.95rem;
  transition: border-color 0.25s;
}
.field select:focus, .field input:focus, .field textarea:focus { outline: none; border-color: var(--blue); }
.field textarea { resize: vertical; min-height: 90px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* Quiz */
.quiz-progress { height: 6px; background: var(--bg-2); border-radius: 999px; overflow: hidden; margin-bottom: 34px; }
.quiz-progress-bar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--blue), var(--gold)); border-radius: 999px; transition: width 0.4s; }
.quiz-question h4 { font-size: 1.25rem; margin-bottom: 6px; }
.quiz-dim { font-size: 0.75rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); font-family: var(--font-sans); font-weight: 600; }
.quiz-options { display: grid; gap: 12px; margin-top: 22px; }
.quiz-option {
  text-align: left; padding: 16px 20px; border-radius: 12px;
  background: var(--bg-2); border: 1px solid var(--line); color: var(--text);
  font-family: var(--font-body); font-size: 0.95rem; cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.quiz-option:hover { border-color: var(--blue); background: var(--blue-soft); transform: translateX(4px); }

.result-level {
  font-family: var(--font-sans); font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700;
  background: linear-gradient(135deg, var(--blue), var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.result-bars { margin: 30px 0; display: grid; gap: 16px; }
.rbar-label { display: flex; justify-content: space-between; font-family: var(--font-sans); font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
.rbar-track { height: 10px; background: var(--bg-2); border-radius: 999px; overflow: hidden; }
.rbar-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--blue), #6d5bff); width: 0; transition: width 1s ease; }

/* Prompt gerado */
.prompt-output {
  background: var(--bg); border: 1px solid rgba(76, 125, 255, 0.35);
  border-radius: 14px; padding: 24px; margin-top: 24px;
  font-family: "Consolas", monospace; font-size: 0.88rem; line-height: 1.7;
  white-space: pre-wrap; color: #c9d6ee; position: relative;
  max-height: 420px; overflow-y: auto;
}

/* ROI */
.roi-result { text-align: center; padding: 34px; border-radius: 16px; background: var(--bg-2); border: 1px solid var(--line); margin-top: 26px; }
.roi-big { font-family: var(--font-sans); font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; color: var(--gold); }
.roi-sub { color: var(--muted); font-size: 0.95rem; }
.roi-detail { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
.roi-detail .stat { padding: 20px 12px; }
.roi-detail .stat-num { font-size: 1.5rem; }

/* Tabs das ferramentas */
.tool-tabs { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 40px; }
.tool-tab {
  font-family: var(--font-sans); font-weight: 600; font-size: 0.95rem;
  padding: 13px 26px; border-radius: 999px; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line); color: var(--muted);
  transition: all 0.25s;
}
.tool-tab.active { background: var(--blue); border-color: var(--blue); color: #fff; }
.tool-tab:hover:not(.active) { border-color: var(--blue); color: var(--text); }
.tool-content { display: none; }
.tool-content.active { display: block; animation: fadeUp 0.5s ease; }

/* ---------- Fundadores ---------- */
.founder { display: flex; gap: 24px; align-items: flex-start; }
.founder-avatar {
  flex: 0 0 74px; width: 74px; height: 74px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--gold));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-sans); font-weight: 700; font-size: 1.5rem; color: #fff;
}
.founder h3 { margin: 0 0 4px; }
.founder-role { color: var(--gold); font-size: 0.85rem; font-family: var(--font-sans); font-weight: 600; margin-bottom: 10px; }

/* Credenciais */
.cred-list { display: grid; gap: 14px; margin-top: 24px; }
.cred-list li { display: flex; gap: 14px; align-items: flex-start; color: var(--muted); font-size: 0.95rem; }
.cred-list li::before { content: "◆"; color: var(--gold); font-size: 0.7rem; margin-top: 6px; }

/* ---------- CTA final ---------- */
.cta-final {
  text-align: center; padding: 110px 0;
  background:
    radial-gradient(ellipse at 50% 120%, var(--blue-soft), transparent 60%),
    var(--bg-2);
  border-top: 1px solid var(--line);
}
.cta-final h2 { max-width: 700px; margin: 0 auto 18px; }
.cta-final .lead { margin: 0 auto 40px; }
.cta-final .hero-ctas { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer { padding: 60px 0 40px; border-top: 1px solid var(--line); background: var(--bg); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer-grid h4 { font-size: 0.85rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.footer-grid ul li { margin-bottom: 10px; }
.footer-grid a { color: var(--muted); font-size: 0.92rem; transition: color 0.25s; }
.footer-grid a:hover { color: var(--text); }
.footer-about p { color: var(--muted); font-size: 0.9rem; max-width: 340px; margin-top: 14px; }
.footer-bottom { padding-top: 26px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 0.8rem; }

/* WhatsApp flutuante */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
  transition: transform 0.25s;
}
.wa-float:hover { transform: scale(1.1); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- Animações de entrada ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }

/* ---------- Responsivo ---------- */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .grid-2, .grid-3, .grid-4, .field-row, .roi-detail { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .tool-panel { padding: 28px 22px; }
  .nav {
    position: fixed; inset: 0; background: rgba(6, 11, 22, 0.97);
    flex-direction: column; justify-content: center; gap: 34px;
    transform: translateX(100%); transition: transform 0.35s ease;
  }
  .nav.open { transform: none; }
  .nav a { font-size: 1.3rem; }
  .nav-toggle { display: block; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}