/* =========================================================================
   ALVEX PRO — Sistema de design do site institucional
   Estética: dark premium, titânio/prata, deep tech blue, ciano elétrico.
   ========================================================================= */

:root {
  /* superfícies */
  --bg: #06080d;
  --bg-2: #080b12;
  --panel: #0d131e;
  --panel-2: #111a28;
  --line: rgba(140, 165, 200, 0.14);
  --line-soft: rgba(140, 165, 200, 0.08);

  /* texto */
  --titanium: #c9d2e0;
  --text: #e7edf6;
  --muted: #93a0b5;
  --muted-2: #6a7689;

  /* marca */
  --blue: #1f6bff;
  --blue-deep: #0b3fb8;
  --cyan: #19e6e6;
  --cyan-soft: #6df3f3;
  --glow: rgba(25, 230, 230, 0.45);

  /* acento dourado (logo + destaques quentes) */
  --gold: #e8b24c;
  --gold-soft: #f7d68a;
  --gold-glow: rgba(232, 178, 76, 0.5);
  --grad-gold: linear-gradient(135deg, #f7d68a 0%, #e0a83c 55%, #b87a28 100%);

  --radius: 16px;
  --radius-sm: 11px;
  --maxw: 1160px;

  --grad-brand: linear-gradient(135deg, #19e6e6 0%, #2f8bff 55%, #6b4bff 100%);
  --grad-text: linear-gradient(120deg, #e7edf6 0%, #9fc6ff 50%, #19e6e6 100%);
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.85);
  --shadow-glow: 0 0 0 1px rgba(25, 230, 230, 0.25), 0 24px 70px -30px rgba(25, 200, 230, 0.4);

  --font-head: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* fundo com brilho ambiente */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 500px at 78% -8%, rgba(31, 107, 255, 0.16), transparent 60%),
    radial-gradient(760px 480px at 8% 4%, rgba(25, 230, 230, 0.12), transparent 58%),
    radial-gradient(1000px 700px at 50% 120%, rgba(107, 75, 255, 0.12), transparent 60%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(140, 165, 200, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 165, 200, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 100% 70% at 50% 0%, #000 30%, transparent 85%);
}

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

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 600; line-height: 1.12; letter-spacing: -0.02em; margin: 0; }

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

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(6, 8, 13, 0.92), rgba(6, 8, 13, 0.62));
  border-bottom: 1px solid var(--line-soft);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand img { width: 38px; height: 38px; border-radius: 9px; box-shadow: 0 0 22px -4px var(--gold-glow); }
.brand b { font-family: var(--font-head); font-size: 18px; letter-spacing: 0.04em; }
.brand b span { color: var(--gold); }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 14px;
  font-size: 14.5px;
  color: var(--muted);
  border-radius: 9px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--text); background: rgba(140, 165, 200, 0.07); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: ""; display: block; height: 2px; margin-top: 5px; border-radius: 2px;
  background: var(--grad-brand);
}
.nav-cta { display: flex; align-items: center; gap: 10px; }

.menu-toggle {
  display: none; background: none; border: 1px solid var(--line);
  color: var(--text); width: 42px; height: 42px; border-radius: 10px; cursor: pointer;
  align-items: center; justify-content: center;
}
.menu-toggle svg { width: 22px; height: 22px; }

/* ---------- botões ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 500; font-size: 15px;
  padding: 11px 20px; border-radius: 11px; cursor: pointer; border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s, border-color .2s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  color: #04121a; background: var(--grad-brand);
  box-shadow: 0 10px 30px -10px var(--glow);
}
.btn-primary:hover { box-shadow: 0 14px 38px -8px var(--glow); transform: translateY(-1px); }
.btn-ghost { color: var(--text); border-color: var(--line); background: rgba(140, 165, 200, 0.04); }
.btn-ghost:hover { border-color: rgba(25, 230, 230, 0.4); background: rgba(25, 230, 230, 0.06); }
.btn-sm { padding: 8px 15px; font-size: 14px; }
.btn-lg { padding: 14px 26px; font-size: 16px; }

/* ---------- chips / eyebrow ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-size: 12.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--cyan-soft);
  padding: 6px 13px; border-radius: 999px;
  border: 1px solid rgba(25, 230, 230, 0.28);
  background: rgba(25, 230, 230, 0.06);
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }

/* ---------- sections ---------- */
section { position: relative; }
.section { padding: 92px 0; }
.section-sm { padding: 64px 0; }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(28px, 4vw, 42px); margin: 16px 0 14px; }
.section-head p { color: var(--muted); font-size: 17px; margin: 0; }

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.cyan { color: var(--cyan); }
.gold { color: var(--gold); }
.gradient-gold {
  background: var(--grad-gold);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- hero ---------- */
.hero { padding: 88px 0 64px; text-align: center; }
.hero .logo-mark {
  width: 96px; height: 96px; margin: 0 auto 26px; border-radius: 22px;
  box-shadow: 0 0 60px -10px var(--gold-glow), 0 0 0 1px rgba(232, 178, 76, 0.22);
}
.hero h1 { font-size: clamp(38px, 6.4vw, 74px); letter-spacing: -0.035em; margin: 20px auto 0; max-width: 14ch; }
.hero .lead { color: var(--muted); font-size: clamp(16px, 2.2vw, 20px); max-width: 60ch; margin: 22px auto 0; }
.hero .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }
.hero .tagline {
  margin-top: 44px; font-family: var(--font-head); font-size: 13px; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--muted-2);
}
.hero .tagline span { color: var(--cyan); }

/* ---------- stats ---------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: var(--line);
}
.stats .stat { background: var(--panel); padding: 26px 22px; text-align: center; }
.stat .num { font-family: var(--font-head); font-size: 34px; font-weight: 600; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .lbl { color: var(--muted); font-size: 13.5px; margin-top: 6px; }

/* ---------- cards / grid ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative;
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .25s ease;
  overflow: hidden;
}
.card:hover { transform: translateY(-4px); border-color: rgba(25, 230, 230, 0.32); box-shadow: var(--shadow-glow); }
.card .ico {
  width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center;
  background: rgba(25, 230, 230, 0.08); border: 1px solid rgba(25, 230, 230, 0.22);
  color: var(--cyan); margin-bottom: 18px;
}
.card .ico svg { width: 24px; height: 24px; }
.card h3 { font-size: 19px; margin-bottom: 9px; }
.card p { color: var(--muted); font-size: 15px; margin: 0; }
.card .tag {
  position: absolute; top: 18px; right: 18px; font-family: var(--font-head);
  font-size: 11px; letter-spacing: 0.1em; color: var(--muted-2); text-transform: uppercase;
}

/* card de módulo numerado */
.module {
  display: grid; grid-template-columns: 66px 1fr; gap: 22px; align-items: start;
  padding: 30px; border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  transition: border-color .2s, box-shadow .25s;
}
.module:hover { border-color: rgba(25, 230, 230, 0.3); box-shadow: var(--shadow-glow); }
.module .idx {
  font-family: var(--font-head); font-size: 22px; font-weight: 600; color: #04121a;
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  background: var(--grad-brand); box-shadow: 0 10px 26px -10px var(--glow);
}
.module h3 { font-size: 21px; margin-bottom: 6px; }
.module .role { font-family: var(--font-head); font-size: 12.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--cyan); margin-bottom: 12px; }
.module p { color: var(--muted); font-size: 15px; margin: 0 0 14px; }
.module ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.module ul li { position: relative; padding-left: 24px; color: var(--titanium); font-size: 14.5px; }
.module ul li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 12px; height: 12px;
  border-radius: 3px; background: rgba(25, 230, 230, 0.18); border: 1px solid var(--cyan);
}

/* ---------- passos / fluxo ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step {
  position: relative; padding: 26px 22px; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--panel);
}
.step .n {
  font-family: var(--font-head); font-size: 13px; letter-spacing: 0.1em; color: var(--cyan);
  border: 1px solid rgba(25, 230, 230, 0.3); border-radius: 999px; padding: 3px 11px; display: inline-block; margin-bottom: 14px;
}
.step h4 { font-size: 17px; margin-bottom: 7px; }
.step p { color: var(--muted); font-size: 14px; margin: 0; }
.step:not(:last-child)::after {
  content: "→"; position: absolute; right: -13px; top: 50%; transform: translateY(-50%);
  color: var(--muted-2); font-size: 18px; z-index: 2;
}

/* ---------- split / destaque ---------- */
.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.split .body h2 { font-size: clamp(26px, 3.6vw, 38px); margin-bottom: 16px; }
.split .body p { color: var(--muted); font-size: 16.5px; }
.feature-list { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 14px; }
.feature-list li { display: flex; gap: 13px; align-items: flex-start; }
.feature-list .ck {
  flex: none; width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  background: rgba(25, 230, 230, 0.1); border: 1px solid rgba(25, 230, 230, 0.3); color: var(--cyan);
}
.feature-list .ck svg { width: 15px; height: 15px; }
.feature-list b { font-family: var(--font-head); font-weight: 500; }
.feature-list span { color: var(--muted); display: block; font-size: 14.5px; }

.panel-visual {
  border: 1px solid var(--line); border-radius: var(--radius);
  background:
    radial-gradient(400px 200px at 80% 0%, rgba(31,107,255,0.18), transparent 60%),
    linear-gradient(180deg, var(--panel-2), var(--bg-2));
  padding: 28px; box-shadow: var(--shadow);
}

/* mini-fluxo financeiro (split de pagamento) */
.flow-money { display: grid; gap: 12px; }
.flow-money .row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: rgba(8,11,18,0.7);
}
.flow-money .row .who { display: flex; align-items: center; gap: 11px; font-size: 14.5px; }
.flow-money .row .who .dotc { width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.flow-money .row .val { font-family: var(--font-head); color: var(--titanium); }
.flow-money .row.fee { border-color: rgba(25, 230, 230, 0.35); background: rgba(25, 230, 230, 0.06); }

/* ---------- pricing ---------- */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.price-card {
  display: flex; flex-direction: column; padding: 32px 28px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
}
.price-card.featured { border-color: rgba(25, 230, 230, 0.45); box-shadow: var(--shadow-glow); }
.price-card .plan { font-family: var(--font-head); letter-spacing: 0.1em; text-transform: uppercase; font-size: 13px; color: var(--cyan); }
.price-card .price { font-family: var(--font-head); font-size: 40px; font-weight: 600; margin: 14px 0 2px; }
.price-card .price small { font-size: 15px; color: var(--muted); font-weight: 400; }
.price-card .desc { color: var(--muted); font-size: 14.5px; min-height: 42px; }
.price-card ul { list-style: none; padding: 0; margin: 22px 0; display: grid; gap: 11px; flex: 1; }
.price-card ul li { padding-left: 26px; position: relative; color: var(--titanium); font-size: 14.5px; }
.price-card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--cyan); font-weight: 700; }
.badge-pop {
  align-self: flex-start; font-family: var(--font-head); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: #1a1206; background: var(--grad-gold); padding: 4px 11px; border-radius: 999px; margin-bottom: 14px;
}

/* ---------- persona ---------- */
.persona { display: grid; gap: 18px; }
.persona .card .who { font-family: var(--font-head); font-size: 12.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--cyan); margin-bottom: 10px; }

/* ---------- CTA band ---------- */
.cta-band {
  text-align: center; padding: 64px 40px; border-radius: 24px;
  border: 1px solid rgba(25, 230, 230, 0.3);
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(31,107,255,0.2), transparent 60%),
    linear-gradient(180deg, var(--panel-2), var(--bg-2));
  box-shadow: var(--shadow);
}
.cta-band h2 { font-size: clamp(28px, 4.2vw, 44px); margin-bottom: 14px; }
.cta-band p { color: var(--muted); font-size: 17px; max-width: 56ch; margin: 0 auto 28px; }

/* ---------- formulário ---------- */
.form { display: grid; gap: 16px; max-width: 520px; }
.form .field { display: grid; gap: 7px; }
.form label { font-size: 13.5px; color: var(--titanium); font-family: var(--font-head); letter-spacing: 0.02em; }
.form input, .form select, .form textarea {
  width: 100%; padding: 13px 15px; border-radius: 11px; font-size: 15px; font-family: var(--font-body);
  color: var(--text); background: rgba(8,11,18,0.8); border: 1px solid var(--line);
  transition: border-color .2s, box-shadow .2s;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: rgba(25, 230, 230, 0.5); box-shadow: 0 0 0 3px rgba(25, 230, 230, 0.12);
}
.form textarea { resize: vertical; min-height: 110px; }
.form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: 13px; color: var(--muted-2); }
.form-success {
  display: none; padding: 16px 18px; border-radius: 12px; font-size: 15px;
  background: rgba(25, 230, 230, 0.08); border: 1px solid rgba(25, 230, 230, 0.35); color: var(--cyan-soft);
}
.form-success.show { display: block; }
.form-error {
  display: none; padding: 16px 18px; border-radius: 12px; font-size: 15px;
  background: rgba(255, 96, 96, 0.08); border: 1px solid rgba(255, 96, 96, 0.4); color: #ffb1b1;
}
.form-error.show { display: block; }

/* selo de roadmap / em breve */
.soon {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-head); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted-2); padding: 3px 9px; border-radius: 999px;
  border: 1px dashed rgba(140, 165, 200, 0.3); background: rgba(140, 165, 200, 0.04);
}
.now-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-head); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--cyan); padding: 3px 9px; border-radius: 999px;
  border: 1px solid rgba(25, 230, 230, 0.35); background: rgba(25, 230, 230, 0.06);
}
.module.future { opacity: 0.78; }
.module.future:hover { opacity: 1; }
.vision-band {
  padding: 30px 32px; border-radius: var(--radius);
  border: 1px dashed rgba(140, 165, 200, 0.28); background: rgba(140, 165, 200, 0.03);
}
.vision-band h3 { font-size: 20px; margin-bottom: 8px; }
.vision-band p { color: var(--muted); margin: 0 0 16px; font-size: 15px; }
.vision-band .chips { display: flex; flex-wrap: wrap; gap: 9px; }

/* faixa de logos/elos */
.chain { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.chain .pill {
  font-family: var(--font-head); font-size: 13.5px; letter-spacing: 0.04em; color: var(--titanium);
  padding: 9px 18px; border: 1px solid var(--line); border-radius: 999px; background: rgba(140,165,200,0.04);
}

/* roadmap */
.roadmap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.roadmap .q { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.roadmap .q .tag { font-family: var(--font-head); color: var(--cyan); font-size: 13px; letter-spacing: 0.12em; }
.roadmap .q h4 { font-size: 16px; margin: 10px 0 8px; }
.roadmap .q p { color: var(--muted); font-size: 14px; margin: 0; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line-soft); margin-top: 40px; padding: 56px 0 34px; background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }
.footer-brand p { color: var(--muted); font-size: 14.5px; max-width: 34ch; margin: 14px 0 0; }
.footer-col h5 { font-family: var(--font-head); font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--titanium); margin: 0 0 14px; }
.footer-col a { display: block; color: var(--muted); font-size: 14.5px; padding: 5px 0; transition: color .2s; }
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line-soft);
  color: var(--muted-2); font-size: 13.5px;
}
.footer-bottom .domains { display: flex; gap: 16px; }
.footer-bottom .domains b { color: var(--cyan); font-weight: 500; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- page hero (interno) ---------- */
.page-hero { padding: 70px 0 30px; }
.page-hero h1 { font-size: clamp(32px, 5vw, 56px); margin: 16px 0 14px; max-width: 18ch; }
.page-hero p { color: var(--muted); font-size: 18px; max-width: 62ch; }

/* ---------- responsivo ---------- */
@media (max-width: 940px) {
  .nav-links, .nav-cta .btn-desktop { display: none; }
  .menu-toggle { display: inline-flex; }
  .site-header.open .nav-links {
    display: flex; flex-direction: column; align-items: stretch; gap: 4px;
    position: absolute; top: 70px; left: 0; right: 0; padding: 16px 24px 22px;
    background: rgba(6,8,13,0.98); border-bottom: 1px solid var(--line);
  }
  .site-header.open .nav-links a { padding: 12px 14px; font-size: 16px; }
  .site-header.open .nav-links a.active::after { display: none; }
  .grid-3, .grid-4, .pricing, .roadmap, .steps { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .stats { grid-template-columns: 1fr 1fr; }
  .grid-2, .grid-3, .grid-4, .pricing, .roadmap, .steps, .form .row2 { grid-template-columns: 1fr; }
  .step:not(:last-child)::after { display: none; }
  .module { grid-template-columns: 1fr; gap: 14px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .hero { padding: 54px 0 40px; }
}