/* ============================================================================
   NEXO ASSINA — site.css (landing institucional, dark-tech)
   Índigo #3B45E6 · Menta #34E1A7 · base tech #070C22.
   Fontes: Space Grotesk (display), Manrope (corpo), IBM Plex Mono (labels).
   ============================================================================ */
:root {
    --indigo: #3B45E6;
    --indigo-dark: #2A2DB8;
    --indigo-light: #7B87FF;
    --mint: #34E1A7;
    --mint-soft: #6BF0C0;
    --ink-deep: #0F1A3D;
    --base: #070C22;
    --panel: #0B1230;
    --panel-2: #060A1C;

    --txt: #E7ECFB;
    --txt-strong: #FFFFFF;
    --txt-2: #AEB8D8;
    --muted: #6C77A0;
    --muted-2: #8B97BE;

    --card: rgba(255,255,255,0.03);
    --card-2: rgba(255,255,255,0.04);
    --hair: rgba(255,255,255,0.09);
    --hair-soft: rgba(255,255,255,0.07);

    --radius: 18px;
    --radius-lg: 22px;

    --font-display: "Space Grotesk", system-ui, sans-serif;
    --font-body: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--txt);
    background: var(--base);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    position: relative;
}

/* grade tech + máscara de fade no fundo global */
body::before {
    content: "";
    position: fixed; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size: 46px 46px;
    -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 55%, transparent 100%);
    mask-image: linear-gradient(180deg, #000 0%, #000 55%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}

a { color: var(--mint); text-decoration: none; }
a:hover { color: var(--mint-soft); }
::selection { background: var(--mint); color: var(--base); }

.container { width: min(1200px, 92%); margin-inline: auto; position: relative; z-index: 1; }
.section { padding: 90px 0 0; position: relative; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.1; letter-spacing: -0.025em; margin: 0; color: var(--txt-strong); font-weight: 700; }
.h-section { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 700; letter-spacing: -0.025em; color: #fff; margin: 12px 0 0; }
.lead { color: var(--txt-2); font-size: 1.05rem; max-width: 62ch; }
.text-center { text-align: center; }
.mx-auto { margin-inline: auto; }

/* eyebrow mono ( // recursos ) */
.eyebrow {
    font-family: var(--font-mono);
    font-size: .82rem;
    font-weight: 500;
    color: var(--mint);
    letter-spacing: .02em;
}
.eyebrow::before { content: "// "; }

/* pill eyebrow do hero (dot pulsante) */
.pill {
    display: inline-flex; align-items: center; gap: 9px;
    background: var(--card-2); border: 1px solid rgba(255,255,255,0.1);
    color: #9FE9CE; font-family: var(--font-mono); font-size: .78rem;
    padding: 7px 14px; border-radius: 30px;
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 10px var(--mint); animation: pulseRing 2.4s infinite; }

/* ---------------------------------------------------------------------------
   Botões
   --------------------------------------------------------------------------- */
.btn {
    display: inline-flex; align-items: center; gap: .55rem;
    padding: .85rem 1.5rem; border-radius: 13px; font-weight: 700; font-size: .98rem;
    border: 1px solid transparent; cursor: pointer;
    font-family: var(--font-body);
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--mint); color: var(--base); box-shadow: 0 0 34px rgba(52,225,167,0.4); }
.btn-primary:hover { background: var(--mint-soft); color: var(--base); box-shadow: 0 0 44px rgba(52,225,167,0.55); }
.btn-ghost { background: rgba(255,255,255,0.05); color: #fff; border-color: rgba(255,255,255,0.14); }
.btn-ghost:hover { background: rgba(255,255,255,0.09); color: #fff; }
.btn-light { background: #fff; color: var(--base); }
.btn-light:hover { background: #eef1ff; color: var(--base); }
.btn-sm { padding: .6rem 1.1rem; font-size: .9rem; border-radius: 11px; }

/* ---------------------------------------------------------------------------
   Navbar (sticky glass)
   --------------------------------------------------------------------------- */
.nav {
    position: sticky; top: 0; z-index: 50;
    background: rgba(7,12,34,0.72);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid var(--hair-soft);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; padding: 15px 0; gap: 1rem; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand .wordmark { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; letter-spacing: -0.01em; color: #fff; }
.wordmark .accent { color: var(--mint); }
.nav-links { display: flex; align-items: center; gap: 30px; font-size: .92rem; font-weight: 600; }
.nav-links a { color: var(--txt-2); }
.nav-links a:hover { color: #fff; }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-cta .entrar { color: var(--txt); font-weight: 600; font-size: .92rem; padding: 10px 6px; }
.nav-cta .entrar:hover { color: #fff; }
@media (max-width: 900px) { .nav-links { display: none; } }

/* ---------------------------------------------------------------------------
   Hero
   --------------------------------------------------------------------------- */
.hero { position: relative; }
.hero .glow-indigo {
    position: absolute; top: -140px; left: 50%; transform: translateX(-50%);
    width: 760px; max-width: 96vw; height: 520px;
    background: radial-gradient(ellipse at center, rgba(59,69,230,0.42), rgba(59,69,230,0) 65%);
    pointer-events: none;
}
.hero .glow-mint {
    position: absolute; top: 120px; right: -60px;
    width: 420px; height: 420px; border-radius: 50%;
    background: radial-gradient(circle at center, rgba(52,225,167,0.20), rgba(52,225,167,0) 70%);
    animation: floatGlow 9s ease-in-out infinite; pointer-events: none;
}
.hero-inner { padding: 80px 0 70px; text-align: center; position: relative; }
.hero h1 {
    font-size: clamp(2.6rem, 6.4vw, 4.125rem);
    line-height: 1.03; letter-spacing: -0.03em; color: #fff;
    margin: 26px auto 0; max-width: 15ch;
}
.hero h1 .grad { background: linear-gradient(100deg, var(--mint), var(--indigo-light)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .sub { font-size: 1.18rem; color: var(--txt-2); margin: 24px auto 0; max-width: 600px; }
.hero-actions { display: flex; gap: 14px; margin-top: 34px; justify-content: center; flex-wrap: wrap; }
.hero-note { font-family: var(--font-mono); font-size: .78rem; color: var(--muted); margin-top: 18px; }

/* painel de produto (janela de app) */
.product-panel { position: relative; margin: 56px auto 0; max-width: 940px; }
.product-panel .aura { position: absolute; inset: -1px; border-radius: var(--radius-lg); background: linear-gradient(120deg, rgba(52,225,167,0.5), rgba(59,69,230,0.5)); opacity: .55; filter: blur(2px); }
.product-window { position: relative; background: var(--panel); border: 1px solid rgba(255,255,255,0.1); border-radius: 20px; overflow: hidden; box-shadow: 0 40px 90px rgba(0,0,0,0.55); }
.pw-head { display: flex; align-items: center; gap: 8px; padding: 14px 18px; border-bottom: 1px solid var(--hair-soft); background: rgba(255,255,255,0.02); }
.pw-dot { width: 11px; height: 11px; border-radius: 50%; }
.pw-url { font-family: var(--font-mono); font-size: .75rem; color: var(--muted); margin-left: 12px; }
.pw-body { display: grid; grid-template-columns: 1.4fr 1fr; }
.pw-doc { padding: 26px 26px 30px; border-right: 1px solid rgba(255,255,255,0.06); }
.pw-doc-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.pw-doc-name { font-weight: 700; font-size: .95rem; color: #fff; }
.pw-lines { display: flex; flex-direction: column; gap: 9px; }
.pw-line { height: 8px; background: rgba(255,255,255,0.08); border-radius: 6px; }
.pw-sign { margin-top: 16px; border: 1.5px dashed rgba(52,225,167,0.5); background: rgba(52,225,167,0.06); border-radius: 12px; padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.pw-sign .name { font-family: var(--font-display); font-size: 1.35rem; color: var(--mint); font-weight: 600; }
.pw-sign .meta { font-family: var(--font-mono); font-size: .62rem; color: var(--muted); margin-top: 3px; }
.pw-side { padding: 22px; background: rgba(255,255,255,0.02); }
.pw-side-title { font-family: var(--font-mono); font-size: .68rem; color: var(--muted); letter-spacing: 0.06em; margin-bottom: 14px; }
.signer { display: flex; align-items: center; gap: 11px; margin-bottom: 12px; }
.signer .av { width: 32px; height: 32px; border-radius: 9px; font-size: .72rem; font-weight: 700; display: flex; align-items: center; justify-content: center; flex: none; }
.signer .info { flex: 1; min-width: 0; }
.signer .info .n { font-size: .84rem; color: #fff; font-weight: 600; }
.signer .info .s { font-family: var(--font-mono); font-size: .62rem; }
.status-badge { padding: 4px 10px; border-radius: 20px; font-family: var(--font-mono); font-size: .66rem; }
.status-badge.waiting { color: #FFC24B; background: rgba(255,194,75,0.12); }
.status-badge.signed { color: var(--mint); background: rgba(52,225,167,0.12); }

/* ---------------------------------------------------------------------------
   Logo strip
   --------------------------------------------------------------------------- */
.logo-strip { padding: 30px 0 10px; }
.logo-strip .line { font-family: var(--font-mono); font-size: .75rem; color: var(--muted); text-align: center; margin-bottom: 22px; }
.logo-strip .marks { display: flex; align-items: center; justify-content: center; gap: 44px; flex-wrap: wrap; opacity: .7; }
.logo-strip .marks span { font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; color: var(--muted-2); }

/* ---------------------------------------------------------------------------
   Bento de recursos
   --------------------------------------------------------------------------- */
.head-center { text-align: center; margin-bottom: 44px; }
.bento { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 210px; gap: 16px; }
.cell { position: relative; overflow: hidden; border: 1px solid var(--hair); border-radius: 20px; padding: 26px; display: flex; flex-direction: column; justify-content: space-between; background: var(--card); }
.cell.wide { grid-column: span 2; background: linear-gradient(135deg, rgba(59,69,230,0.16), rgba(255,255,255,0.02)); }
.cell.tall { grid-row: span 2; background: var(--ink-deep); border-color: rgba(52,225,167,0.25); }
.cell .glow { position: absolute; width: 200px; height: 200px; border-radius: 50%; background: radial-gradient(circle at center, rgba(52,225,167,0.22), transparent 70%); pointer-events: none; }
.cell .glow.tr { top: -40px; right: -30px; }
.cell .glow.bl { bottom: -60px; left: -40px; background: radial-gradient(circle at center, rgba(52,225,167,0.28), transparent 70%); }
.ic { width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center; flex: none; position: relative; }
.ic.mint { background: rgba(52,225,167,0.14); }
.ic.indigo { background: rgba(123,135,255,0.16); }
.cell h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.28rem; color: #fff; }
.cell.small h3 { font-size: 1.1rem; }
.cell p { color: var(--txt-2); font-size: .95rem; line-height: 1.55; margin: 8px 0 0; }
.cell.small p { font-size: .86rem; }
.wa-chip { position: relative; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 14px; padding: 13px 14px; display: flex; align-items: center; gap: 11px; }
.wa-chip .wa { width: 34px; height: 34px; border-radius: 50%; background: #25D366; display: flex; align-items: center; justify-content: center; flex: none; }
.wa-chip .msg { font-size: .8rem; color: var(--txt); }
@media (max-width: 900px) {
    .bento { grid-template-columns: 1fr 1fr; grid-auto-rows: auto; }
    .cell, .cell.wide, .cell.tall { grid-column: auto; grid-row: auto; min-height: 190px; }
}
@media (max-width: 620px) { .bento { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------------------
   Como funciona — três nós
   --------------------------------------------------------------------------- */
.nodes { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 52px; }
.nodes .link-line { position: absolute; top: 34px; left: 16%; right: 16%; height: 2px; background: linear-gradient(90deg, var(--indigo), var(--mint)); opacity: .4; }
.node { position: relative; text-align: center; }
.node .knot { width: 70px; height: 70px; margin: 0 auto; border-radius: 20px; background: var(--ink-deep); border: 1px solid rgba(255,255,255,0.12); display: flex; align-items: center; justify-content: center; box-shadow: 0 0 30px rgba(59,69,230,0.4); }
.node.last .knot { border-color: rgba(52,225,167,0.4); box-shadow: 0 0 34px rgba(52,225,167,0.45); }
.node .num { font-family: var(--font-mono); font-size: .78rem; color: var(--muted); margin-top: 18px; }
.node h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; color: #fff; margin-top: 6px; }
.node p { color: var(--txt-2); font-size: .92rem; line-height: 1.55; margin: 8px auto 0; max-width: 280px; }
@media (max-width: 760px) { .nodes { grid-template-columns: 1fr; } .nodes .link-line { display: none; } }

/* ---------------------------------------------------------------------------
   Banda de desenvolvedores
   --------------------------------------------------------------------------- */
.dev-band { background: linear-gradient(135deg, rgba(59,69,230,0.12), rgba(255,255,255,0.02)); border: 1px solid var(--hair); border-radius: 24px; padding: 44px; display: grid; grid-template-columns: 1fr 1.1fr; gap: 44px; align-items: center; margin-top: 52px; }
.dev-band h2 { font-size: clamp(1.7rem, 3vw, 2.25rem); letter-spacing: -0.02em; color: #fff; margin: 14px 0 0; line-height: 1.1; }
.dev-band p { color: var(--txt-2); font-size: 1rem; margin: 16px 0 0; }
.dev-metrics { display: flex; gap: 26px; margin-top: 26px; }
.dev-metrics .num { font-family: var(--font-display); font-weight: 700; font-size: 1.65rem; color: var(--mint); }
.dev-metrics .lbl { font-size: .82rem; color: var(--muted); }
.dev-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 26px; font-weight: 700; color: var(--mint); }
.terminal { background: var(--panel-2); border: 1px solid rgba(255,255,255,0.1); border-radius: 16px; overflow: hidden; box-shadow: 0 24px 50px rgba(0,0,0,0.5); }
.terminal .t-head { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--hair-soft); }
.terminal .t-head .pw-dot { width: 10px; height: 10px; }
.terminal .t-body { padding: 20px; font-family: var(--font-mono); font-size: .8rem; line-height: 1.85; overflow-x: auto; }
.terminal .t-body .c-mut { color: var(--muted); }
.terminal .t-body .c-ind { color: var(--indigo-light); }
.terminal .t-body .c-mint { color: var(--mint); }
.terminal .t-body .c-amb { color: #FFC24B; }
.terminal .t-body .c-txt { color: var(--txt); }
@media (max-width: 860px) { .dev-band { grid-template-columns: 1fr; padding: 30px; } }

/* ---------------------------------------------------------------------------
   Preços
   --------------------------------------------------------------------------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: start; margin-top: 8px; }
.plan { background: var(--card); border: 1px solid var(--hair); border-radius: 22px; padding: 32px; }
.plan.featured { background: linear-gradient(160deg, rgba(52,225,167,0.14), rgba(59,69,230,0.1)); border-color: rgba(52,225,167,0.4); box-shadow: 0 0 50px rgba(52,225,167,0.15); position: relative; }
.plan .tag { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--mint); color: var(--base); font-family: var(--font-mono); font-size: .68rem; font-weight: 600; letter-spacing: .06em; padding: 6px 14px; border-radius: 20px; }
.plan .p-name { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; color: #fff; }
.plan .p-desc { color: var(--muted); font-size: .85rem; margin-top: 4px; }
.plan.featured .p-desc { color: #9FE9CE; }
.plan .price { margin: 22px 0; display: flex; align-items: baseline; gap: 4px; }
.plan .price .val { font-family: var(--font-display); font-weight: 700; font-size: 2.5rem; color: #fff; }
.plan .price .val.sm { font-size: 1.9rem; }
.plan .price .per { color: var(--muted); font-size: .95rem; }
.plan.featured .price .per { color: #9FE9CE; }
.plan .p-cta { display: block; text-align: center; font-weight: 700; font-size: .95rem; padding: 13px; border-radius: 12px; }
.plan .p-cta.ghost { color: #fff; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); }
.plan .p-cta.ghost:hover { background: rgba(255,255,255,0.1); }
.plan .p-cta.solid { color: var(--base); background: var(--mint); box-shadow: 0 0 26px rgba(52,225,167,0.4); }
.plan ul { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-direction: column; gap: 12px; }
.plan li { display: flex; gap: 10px; font-size: .9rem; color: #C6CEE8; }
.plan.featured li { color: #EAF1FF; }
.plan li svg { flex: none; }
@media (max-width: 860px) { .plans { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------------------
   CTA final
   --------------------------------------------------------------------------- */
.cta { position: relative; overflow: hidden; background: linear-gradient(135deg, var(--indigo-dark), var(--indigo)); border-radius: 28px; padding: 70px 56px; text-align: center; margin-top: 90px; }
.cta .g1 { position: absolute; top: -140px; right: -60px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle at center, rgba(52,225,167,0.4), transparent 70%); pointer-events: none; }
.cta .g2 { position: absolute; bottom: -160px; left: -60px; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle at center, rgba(52,225,167,0.2), transparent 70%); pointer-events: none; }
.cta h2 { position: relative; font-size: clamp(2rem, 4vw, 2.875rem); letter-spacing: -0.025em; color: #fff; margin: 0; }
.cta p { position: relative; font-size: 1.1rem; color: #D5D9FF; margin: 14px auto 0; max-width: 520px; }
.cta .btn { position: relative; margin-top: 30px; }

/* ---------------------------------------------------------------------------
   Footer
   --------------------------------------------------------------------------- */
footer { border-top: 1px solid var(--hair-soft); margin-top: 90px; position: relative; z-index: 1; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding: 56px 0 40px; }
.foot-about p { color: var(--muted); font-size: .9rem; line-height: 1.6; margin: 16px 0 0; max-width: 260px; }
.foot-col h4 { color: #fff; font-family: var(--font-body); font-weight: 700; font-size: .9rem; margin: 0 0 14px; }
.foot-col a { display: block; color: var(--muted-2); font-size: .9rem; margin-bottom: 10px; }
.foot-col a:hover { color: var(--mint); }
.foot-bar { border-top: 1px solid var(--hair-soft); }
.foot-bar .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 22px 0; color: #5A6690; font-family: var(--font-mono); font-size: .75rem; }
@media (max-width: 820px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------------------
   Animações
   --------------------------------------------------------------------------- */
@keyframes floatGlow { 0%, 100% { transform: translateY(0); opacity: .9; } 50% { transform: translateY(-24px); opacity: 1; } }
@keyframes pulseRing { 0% { box-shadow: 0 0 0 0 rgba(52,225,167,0.5); } 70% { box-shadow: 0 0 0 14px rgba(52,225,167,0); } 100% { box-shadow: 0 0 0 0 rgba(52,225,167,0); } }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .hero .glow-mint, .pill .dot { animation: none; }
}