/* Página de apresentação — mesma linguagem do sistema: fundo escuro, gradiente índigo → ciano,
   verde só no WhatsApp. */
:root {
  --bg: #060a14;
  --bg-alt: #0a1020;
  --surface: rgba(17, 25, 45, .72);
  --text: #e8ecf4;
  --muted: #9aa5bc;
  --faint: #66718a;
  --border: rgba(148, 163, 184, .14);
  --accent: #818cf8;
  --accent-2: #22d3ee;
  --grad: linear-gradient(135deg, #6366f1 0%, #3b82f6 55%, #06b6d4 100%);
  --grad-text: linear-gradient(90deg, #a5b4fc 0%, #67e8f9 100%);
  --wa: #16a34a;
  --wa-dark: #15803d;
  --font-sans: "Inter Variable", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono Variable", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: dark;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans); color: var(--text); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  background:
    radial-gradient(70% 45% at 20% 0%, rgba(99, 102, 241, .22) 0%, transparent 60%),
    radial-gradient(55% 40% at 95% 12%, rgba(6, 182, 212, .14) 0%, transparent 60%),
    var(--bg);
  background-repeat: no-repeat;
}
body::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 900px; pointer-events: none; z-index: 0;
  background-image: linear-gradient(rgba(148, 163, 184, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 163, 184, .06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(80% 70% at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(80% 70% at 50% 0%, #000 0%, transparent 75%);
}
body > * { position: relative; z-index: 1; }
::selection { background: rgba(129, 140, 248, .35); }
a { color: var(--accent); text-decoration: none; }
a:hover { color: #a5b4fc; text-decoration: underline; }
.btn, .lp-brand, .lp-links a { text-decoration: none !important; }
.lp-wrap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.lp-center { text-align: center; }

/* Topo */
.lp-nav { position: sticky; top: 0; z-index: 10; background: rgba(6, 10, 20, .7); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid var(--border); }
.lp-nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.lp-brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: #fff; font-size: 1.08rem; letter-spacing: -.02em; }
.lp-brand:hover { color: #fff; }
.lp-mark { width: 30px; height: 30px; border-radius: 9px; background: var(--grad); color: #fff; display: inline-grid; place-items: center; font-size: .85rem; font-weight: 800; box-shadow: 0 0 0 1px rgba(255, 255, 255, .12) inset, 0 4px 16px rgba(79, 70, 229, .5); }
.lp-links { gap: 30px; }
.lp-links a { color: var(--muted); font-size: .92rem; font-weight: 500; }
.lp-links a:hover { color: #fff; }
.lp-login { color: var(--muted); font-weight: 500; font-size: .92rem; padding: 0 6px; }
.lp-login:hover { color: #fff; }

/* Botões */
.btn { border-radius: 10px; transition: background-color .15s, box-shadow .15s, transform .05s, border-color .15s; }
.btn:active { transform: translateY(1px); }
.lp-btn-wa { background: var(--wa); border: 1px solid rgba(255, 255, 255, .08); color: #fff; font-weight: 600; box-shadow: 0 6px 24px rgba(22, 163, 74, .35); }
.lp-btn-wa:hover, .lp-btn-wa:focus { background: var(--wa-dark); color: #fff; box-shadow: 0 8px 30px rgba(22, 163, 74, .45); }
.lp-btn-ghost { border: 1px solid rgba(148, 163, 184, .28); color: var(--text); font-weight: 600; background: rgba(255, 255, 255, .03); }
.lp-btn-ghost:hover { background: rgba(255, 255, 255, .07); border-color: rgba(148, 163, 184, .45); color: #fff; }
.btn-lg { font-size: 1rem; padding: .75rem 1.35rem; }

/* Hero */
.lp-hero { padding: 80px 0 64px; }
.lp-hero .lp-wrap { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: center; }
.lp-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px;
  font-family: var(--font-mono); font-size: .74rem; font-weight: 500; letter-spacing: .04em; text-transform: uppercase; color: #c7d2fe;
  padding: 5px 12px; border-radius: 999px; background: rgba(99, 102, 241, .12); border: 1px solid rgba(129, 140, 248, .3);
}
.lp-eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #22d3ee; box-shadow: 0 0 10px #22d3ee; }
.lp-hero h1 {
  font-size: 3rem; line-height: 1.06; font-weight: 750; letter-spacing: -.035em; margin-bottom: 20px;
  background: linear-gradient(180deg, #fff 30%, #b9c2d6 100%); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lp-lead { font-size: 1.12rem; color: var(--muted); line-height: 1.65; margin-bottom: 28px; }
.lp-cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.lp-checks { list-style: none; padding: 0; margin: 0; color: var(--muted); font-size: .92rem; }
.lp-checks li { margin-bottom: 7px; }
.lp-checks i { color: #4ade80; margin-right: 7px; }

/* Capturas de tela com moldura luminosa */
.lp-shot {
  position: relative; margin: 0; border-radius: 14px; overflow: hidden; background: #0b1122;
  border: 1px solid rgba(148, 163, 184, .18);
  box-shadow: 0 0 0 1px rgba(99, 102, 241, .12), 0 30px 80px rgba(0, 0, 0, .55), 0 0 80px rgba(79, 70, 229, .18);
}
.lp-shot img { display: block; width: 100%; height: auto; }
.lp-shot-hero { transform: perspective(1600px) rotateY(-6deg) rotateX(2deg); transform-origin: left center; }
.lp-shot-phone { max-width: 300px; justify-self: center; border-radius: 30px; border: 8px solid #141b2e; box-shadow: 0 0 0 1px rgba(148, 163, 184, .25), 0 30px 80px rgba(0, 0, 0, .6), 0 0 80px rgba(6, 182, 212, .15); }

/* Problemas */
.lp-problems { background: rgba(255, 255, 255, .015); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 48px 0; }
.lp-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.lp-problems h3 { font-size: 1.02rem; font-weight: 650; margin-bottom: 8px; color: #fff; }
.lp-problems p { color: var(--muted); margin: 0; font-size: .95rem; line-height: 1.6; }

/* Seções */
.lp-section { padding: 96px 0; }
.lp-alt { background: rgba(255, 255, 255, .015); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.lp-section h2 { font-size: 2.1rem; font-weight: 720; letter-spacing: -.03em; line-height: 1.15; margin-bottom: 16px; color: #fff; }
.lp-feature { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; align-items: center; }
.lp-feature + .lp-feature { margin-top: 112px; }
.lp-feature-rev .lp-feature-text { order: 2; }
.lp-feature-text p { color: var(--muted); font-size: 1.02rem; line-height: 1.7; }
.lp-tag {
  display: inline-block; margin-bottom: 16px; padding: 4px 11px; border-radius: 999px;
  font-family: var(--font-mono); font-size: .72rem; font-weight: 500; letter-spacing: .04em; text-transform: uppercase;
  color: #a5f3fc; background: rgba(6, 182, 212, .10); border: 1px solid rgba(34, 211, 238, .28);
}
.lp-list { padding-left: 1.1rem; color: #c9d1e0; line-height: 1.85; margin: 0; }
.lp-list li::marker { color: #22d3ee; }

/* Conversa de exemplo com o assistente */
.lp-chat {
  background-color: #070c18; background-image: radial-gradient(rgba(148, 163, 184, .08) 1px, transparent 1px); background-size: 18px 18px;
  border: 1px solid rgba(148, 163, 184, .18); border-radius: 18px; padding: 24px; display: flex; flex-direction: column; gap: 10px;
  max-width: 470px; justify-self: center; width: 100%; box-shadow: 0 30px 80px rgba(0, 0, 0, .5), 0 0 60px rgba(34, 197, 94, .08);
}
.lp-msg { max-width: 85%; padding: 9px 13px; border-radius: 12px; font-size: .92rem; line-height: 1.5; }
.lp-msg-out { align-self: flex-end; background: #0f3b2c; color: #e7fff1; border-top-right-radius: 4px; }
.lp-msg-in { align-self: flex-start; background: #141d33; color: var(--text); border: 1px solid rgba(148, 163, 184, .14); border-top-left-radius: 4px; }

/* Passos */
.lp-steps { list-style: none; padding: 0; margin: 40px 0 30px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.lp-steps li { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 26px; backdrop-filter: blur(8px); overflow: hidden; }
.lp-steps li::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--grad); opacity: .8; }
.lp-steps span { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--grad); color: #fff; font-weight: 700; font-size: .9rem; margin-bottom: 14px; font-family: var(--font-mono); box-shadow: 0 4px 16px rgba(79, 70, 229, .4); }
.lp-steps h3 { font-size: 1.05rem; font-weight: 650; color: #fff; }
.lp-steps p { color: var(--muted); margin: 0; font-size: .95rem; line-height: 1.6; }
.lp-for { color: var(--muted); margin: 0; }

/* Perguntas */
.lp-faq { max-width: 780px; }
.lp-faq h2 { margin-bottom: 28px; }
.lp-faq details { border-bottom: 1px solid var(--border); padding: 20px 0; }
.lp-faq summary { font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; color: #fff; }
.lp-faq summary::-webkit-details-marker { display: none; }
.lp-faq summary::after { content: "+"; color: #22d3ee; font-weight: 400; font-size: 1.3rem; line-height: 1; font-family: var(--font-mono); }
.lp-faq details[open] summary::after { content: "−"; }
.lp-faq p { color: var(--muted); margin: 10px 0 0; line-height: 1.65; }

/* CTA final */
.lp-final {
  position: relative; overflow: hidden; color: #fff; padding: 88px 0; border-top: 1px solid var(--border);
  background: radial-gradient(60% 120% at 50% 100%, rgba(99, 102, 241, .35) 0%, transparent 70%), radial-gradient(40% 80% at 85% 0%, rgba(6, 182, 212, .18) 0%, transparent 70%), #070b16;
}
.lp-final h2 { font-size: 2.3rem; font-weight: 750; letter-spacing: -.03em; margin-bottom: 12px; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; display: inline-block; }
.lp-final p { color: #b9c2d6; margin-bottom: 28px; }

.lp-footer { padding: 26px 0; color: var(--faint); font-size: .88rem; border-top: 1px solid var(--border); background: #05080f; }
.lp-footer a { color: var(--muted); }

@media (max-width: 991.98px) {
  .lp-hero .lp-wrap, .lp-feature { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .lp-feature-rev .lp-feature-text { order: 0; }
  .lp-hero h1 { font-size: 2.3rem; }
  .lp-shot-hero { transform: none; }
  .lp-section { padding: 64px 0; }
  .lp-feature + .lp-feature { margin-top: 72px; }
}
@media (max-width: 767.98px) {
  .lp-grid-3, .lp-steps { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .lp-hero { padding: 44px 0 36px; }
  .lp-hero h1 { font-size: 2rem; }
  .lp-section h2, .lp-final h2 { font-size: 1.6rem; }
  .lp-cta-row .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .lp-shot-hero { transform: none; } }