/* [2026-10-19] Criado: estilo da landing do ProsperIA — Rafael Brito
   Marca do app: azul #2563EB -> verde-agua #14B8A6 -> verde #10B981. Escuro por padrao (como o app);
   respeita prefers-color-scheme: light. Sem fontes/CDN de terceiros (privacidade e velocidade). */
:root {
  --bg: #0f0f23; --bg2: #1a1a2e; --card: #1e1e38; --line: #2e2e52;
  --text: #f8fafc; --muted: #cbd5e1; --faint: #94a3b8;
  --blue: #2563eb; --teal: #14b8a6; --green: #10b981;
  --grad: linear-gradient(135deg, #2563eb 0%, #14b8a6 55%, #10b981 100%);
  --radius: 16px; --shadow: 0 10px 40px rgba(0,0,0,.35);
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f9fafb; --bg2: #ffffff; --card: #ffffff; --line: #e5e7eb; --text: #111827; --muted: #4b5563; --faint: #6b7280; --shadow: 0 10px 30px rgba(17,24,39,.10); }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 8px; top: 8px; background: #fff; color: #000; padding: 8px 12px; border-radius: 8px; z-index: 99; }

header.top { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(12px); background: color-mix(in srgb, var(--bg) 82%, transparent); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; gap: 20px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 22%; } /* [2026-10-28] mesmo raio da logo padrao */
.nav nav { margin-left: auto; display: flex; gap: 22px; align-items: center; }
.nav nav a { text-decoration: none; color: var(--muted); font-size: .95rem; }
.nav nav a:hover { color: var(--text); }
@media (max-width: 720px) { .nav nav a.hide-sm { display: none; } }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 12px; font-weight: 700; text-decoration: none; border: 1px solid transparent; cursor: pointer; font-size: 1rem; font-family: inherit; }
.btn.primary { background: var(--grad); color: #fff; box-shadow: 0 8px 24px rgba(37,99,235,.35); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.ghost:hover { background: var(--card); }
.btn.sm { padding: 8px 14px; font-size: .92rem; }

.hero { padding: 72px 0 56px; background: radial-gradient(900px 400px at 85% -10%, rgba(20,184,166,.22), transparent), radial-gradient(700px 380px at 0% 0%, rgba(37,99,235,.25), transparent); }
.hero .grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
@media (max-width: 900px) { .hero .grid { grid-template-columns: 1fr; } .hero { padding-top: 40px; } }
.eyebrow { display: inline-block; padding: 6px 12px; border-radius: 999px; background: color-mix(in srgb, var(--teal) 16%, transparent); color: var(--teal); font-weight: 700; font-size: .85rem; border: 1px solid color-mix(in srgb, var(--teal) 35%, transparent); }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.1; margin: 16px 0; letter-spacing: -.02em; }
h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 56ch; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 10px; }
.note { color: var(--faint); font-size: .9rem; }

.phone { margin-inline: auto; width: min(320px, 100%); border-radius: 36px; border: 1px solid var(--line); background: var(--bg2); box-shadow: var(--shadow); padding: 18px; }
.phone .bar { display: flex; justify-content: space-between; color: var(--faint); font-size: .8rem; margin-bottom: 12px; }
.phone .bal { font-size: 1.9rem; font-weight: 800; }
.phone .row { display: flex; justify-content: space-between; padding: 10px 12px; margin-top: 8px; border-radius: 12px; background: var(--card); font-size: .92rem; }
.pos { color: var(--green); font-weight: 700; } .neg { color: #f87171; font-weight: 700; }
.phone .ai { margin-top: 12px; padding: 10px 12px; border-radius: 12px; background: var(--grad); color: #fff; font-size: .9rem; }

section { padding: 64px 0; }
section.alt { background: var(--bg2); border-block: 1px solid var(--line); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); margin: 0 0 10px; letter-spacing: -.01em; }
.sub { color: var(--muted); max-width: 62ch; margin: 0 0 32px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .cards { grid-template-columns: repeat(2, 1fr); } } @media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--blue) 18%, transparent); color: var(--teal); margin-bottom: 12px; }
.card h3 { margin: 0 0 6px; font-size: 1.08rem; } .card p { margin: 0; color: var(--muted); font-size: .96rem; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: s; }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }
.step { counter-increment: s; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.step::before { content: counter(s); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--grad); color: #fff; font-weight: 800; margin-bottom: 10px; }
.step h3 { margin: 0 0 6px; } .step p { margin: 0; color: var(--muted); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 800px) { .two { grid-template-columns: 1fr; } }
ul.check { list-style: none; padding: 0; margin: 0; } ul.check li { padding-left: 28px; position: relative; margin: 10px 0; color: var(--muted); }
ul.check li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 800; }
details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin: 10px 0; }
summary { cursor: pointer; font-weight: 700; } details p { color: var(--muted); margin: 10px 0 0; }
.install { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.install ol { margin: 8px 0 0; padding-left: 20px; color: var(--muted); } .install h3 { margin: 0 0 4px; }
footer { padding: 36px 0 52px; border-top: 1px solid var(--line); color: var(--faint); font-size: .92rem; }
footer .cols { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; justify-content: space-between; }
footer a { color: var(--muted); }
.legal { max-width: 78ch; margin: 40px auto 64px; padding: 0 16px; } .legal h1 { font-size: 2rem; } .legal h2 { font-size: 1.35rem; margin-top: 32px; } .legal h3 { font-size: 1.1rem; }
.legal p, .legal li { color: var(--muted); } .legal hr { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }
.legal table { border-collapse: collapse; width: 100%; } .legal th, .legal td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }