:root {
  --azul-noite: #0B1F33;
  --azul-noite-ativo: #176A76;
  --verde: #14B987;
  --verde-escuro: #0FA573;
  --aqua: #27C2A3;
  --azul-gestao: #2E7FB8;
  --ambar: #F2A93B;
  --violeta: #7756E8;
  --fundo: #F4F7FB;
  --superficie: #FFFFFF;
  --texto: #14213D;
  --texto-aux: #64748B;
  --borda: #D9E2ED;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 10px 30px rgba(11, 31, 51, .08);
  --shadow-lg: 0 18px 44px rgba(11, 31, 51, .14);
  --container: 1140px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: hidden; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--texto); background: var(--fundo); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(var(--container), 92%); margin: 0 auto; }
.section__title { font-size: clamp(1.7rem, 4vw, 2.4rem); line-height: 1.15; }
.section__lead { color: var(--texto-aux); margin: .6rem auto 1.7rem; max-width: 720px; }

/* Botões */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; font-weight: 600; padding: .8rem 1.4rem; border-radius: 999px; transition: .2s; font-size: 1rem; cursor: pointer; white-space: nowrap; }
.btn--primary { background: var(--verde); color: #fff; }
.btn--primary:hover { background: var(--verde-escuro); }
.btn--outline { border: 2px solid var(--verde); color: var(--verde); }
.btn--outline:hover { background: rgba(0,143,120,.08); }
.btn--ghost { color: var(--texto); border: 1px solid var(--borda); background: #fff; }
.btn--ghost:hover { border-color: var(--aqua); color: var(--verde); }
.btn--wa { background: #25D366; color: #fff; }
.btn--wa:hover { background: #1eb457; }
.btn--lg { padding: 1rem 2rem; font-size: 1.1rem; }
.btn:focus-visible { outline: 3px solid var(--aqua); outline-offset: 2px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(244,247,251,.85); backdrop-filter: saturate(180%) blur(8px); border-bottom: 1px solid var(--borda); }
.nav__inner, .nav { display: flex; align-items: center; }
.nav { justify-content: space-between; padding: .8rem 4%; }
.nav__brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; }
.brand__mark { width: 34px; height: 34px; }
.brand__name { color: var(--azul-noite); font-size: 1.2rem; }
.nav__links { display: flex; align-items: center; gap: 1.4rem; font-size: .95rem; color: var(--texto); }
.nav__links a:not(.btn):hover { color: var(--verde); }
.nav__cta { margin-left: .4rem; }
.nav__toggle { display: none; background: none; border: none; cursor: pointer; width: 30px; height: 24px; position: relative; }
.nav__toggle span { position: absolute; left: 0; width: 30px; height: 2px; background: var(--azul-noite); border-radius: 2px; transition: .25s; }
.nav__toggle span:nth-child(1) { top: 4px; }
.nav__toggle span:nth-child(2) { top: 11px; }
.nav__toggle span:nth-child(3) { top: 18px; }
.nav.open .nav__toggle span:nth-child(1) { top: 11px; transform: rotate(45deg); }
.nav.open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.open .nav__toggle span:nth-child(3) { top: 11px; transform: rotate(-45deg); }

/* Hero (claro, estilo SaaS limpo) */
.hero { background: linear-gradient(150deg, #ffffff 0%, #f0f6f4 55%, #dfefec 100%); color: var(--texto); padding: 5rem 0 5.5rem; border-bottom: 1px solid var(--borda); }
.hero__inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: center; }
.hero__badge { display: inline-block; background: rgba(0,143,120,.10); color: var(--verde); border: 1px solid rgba(0,143,120,.28); padding: .35rem .9rem; border-radius: 999px; font-size: .82rem; font-weight: 600; margin-bottom: 1.2rem; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.06; font-weight: 800; letter-spacing: -0.02em; }
.hero .hl { color: var(--verde); }
.hero__sub2 { display: block; margin-top: .7rem; font-size: clamp(.85rem, 1.8vw, 1.05rem); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--texto-aux); }
.hero__sub { margin: 1.2rem 0 1.8rem; color: var(--texto-aux); max-width: 540px; font-size: 1.05rem; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__trust { display: flex; gap: 1.6rem; list-style: none; margin-top: 2rem; flex-wrap: wrap; color: var(--texto-aux); font-size: .9rem; }
.hero__trust li::after { content: "\00b7"; margin-left: 1.6rem; color: var(--verde); }
.hero__trust li:last-child::after { content: ""; }

.hero__visual { display: flex; justify-content: center; }
.mock { background: var(--superficie); color: var(--texto); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 1.4rem; width: 100%; max-width: 380px; }
.mock__head { display: flex; align-items: center; gap: .7rem; margin-bottom: 1.1rem; }
.mock__mark { width: 30px; height: 30px; }
.mock__title { font-weight: 700; }
.mock__chip { margin-left: auto; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--verde); border: 1px solid rgba(20,185,135,.35); background: rgba(20,185,135,.08); padding: .2rem .6rem; border-radius: 999px; }
.mock__grid { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.mock__card { border: 1px solid var(--borda); border-radius: 12px; padding: .9rem; }
.mock__card .mock__gl { display: block; font-size: .95rem; font-weight: 700; }
.mock__card small { color: var(--texto-aux); font-size: .78rem; }
.mock__card--produce { border-top: 3px solid var(--violeta); }
.mock__card--stock { border-top: 3px solid var(--ambar); }
.mock__card--sell { border-top: 3px solid var(--verde); }
.mock__card--ship { border-top: 3px solid var(--azul-gestao); }

/* Trust */
.trust { background: var(--superficie); padding: 2.2rem 0; border-bottom: 1px solid var(--borda); }
.trust__inner { text-align: center; }
.trust__label { color: var(--texto-aux); font-size: .82rem; letter-spacing: .5px; text-transform: uppercase; margin-bottom: 1rem; }
.trust__logos { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }
.logo-chip { border: 1px solid var(--borda); padding: .4rem .9rem; border-radius: 999px; color: var(--azul-noite); font-weight: 600; font-size: .95rem; }

/* Pain */
.pain { padding: 4.5rem 0; text-align: center; }
.pain__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 2.4rem; }
.pain__item { background: var(--superficie); border: 1px solid var(--borda); border-radius: var(--radius); padding: 1.2rem; text-align: left; }
.pain__icon { width: 34px; height: 34px; margin-bottom: .6rem; opacity: .5; }
.pain__item p { font-size: .95rem; color: var(--texto); }

/* Modulos */
.modulos { padding: 4.5rem 0; background: var(--superficie); text-align: center; }
.modulos__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.card { border: 1px solid var(--borda); border-radius: var(--radius); padding: 1.25rem 1.15rem; text-align: left; transition: .2s; }
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.card__tag { display: inline-flex; align-items: center; gap: .5rem; font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--texto-aux); margin-bottom: .45rem; }
.card__tag i { width: 10px; height: 10px; border-radius: 50%; background: var(--verde); }
.card:nth-child(1) .card__tag i { background: var(--violeta); }
.card:nth-child(2) .card__tag i { background: var(--ambar); }
.card:nth-child(3) .card__tag i { background: var(--verde); }
.card:nth-child(4) .card__tag i { background: var(--azul-gestao); }
.card__tag em { font-style: normal; }
.card h3 { margin-bottom: .3rem; }
.card p { color: var(--texto-aux); font-size: .92rem; }
.modulos__grid .card:nth-child(1) { border-top: 3px solid var(--violeta); }
.modulos__grid .card:nth-child(2) { border-top: 3px solid var(--ambar); }
.modulos__grid .card:nth-child(3) { border-top: 3px solid var(--verde); }
.modulos__grid .card:nth-child(4) { border-top: 3px solid var(--azul-gestao); }
.section__eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--verde); margin-bottom: .9rem; }

.destaques { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.4rem; }
.destaque { border-radius: var(--radius); padding: 1.6rem; text-align: left; color: #fff; }
.destaque--fiscal { background: var(--azul-noite); }
.destaque--ia { background: linear-gradient(135deg, var(--verde), var(--aqua)); }
.destaque h3 { margin-bottom: .4rem; }
.destaque p { color: rgba(255,255,255,.85); font-size: .92rem; }

/* Como funciona */
.como { padding: 4.5rem 0; text-align: center; }
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 2.4rem; text-align: left; }
.steps li { background: var(--superficie); border: 1px solid var(--borda); border-radius: var(--radius); padding: 1.2rem; }
.step__num { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 50%; background: var(--verde); color: #fff; font-weight: 700; margin-bottom: .8rem; }
.steps b { display: block; margin-bottom: .3rem; }
.steps p { color: var(--texto-aux); font-size: .92rem; }

/* Reforma Tributaria (vitrine) */
.reforma { padding: 4rem 0; background: linear-gradient(180deg, var(--fundo), var(--superficie)); }
.reforma .section__eyebrow { color: var(--verde); }
.reforma__timeline { display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; margin: 1.4rem 0 2rem; }
.reforma__timeline .tl { flex: 1; min-width: 150px; background: var(--superficie); border: 1px solid var(--borda); border-top: 3px solid var(--verde); border-radius: var(--radius); padding: 1rem; }
.reforma__timeline .tl b { display: block; font-size: 1.25rem; color: var(--azul-noite); }
.reforma__timeline .tl span { color: var(--texto-aux); font-size: .85rem; }
.reforma__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.reforma__note { margin-top: 1.6rem; font-size: .92rem; color: var(--texto-aux); }
.reforma__cta { margin-top: 1.2rem; }
@media (max-width: 720px) { .reforma__grid { grid-template-columns: 1fr; } }

/* Planos */
.planos { padding: 4.5rem 0; background: var(--superficie); text-align: center; }
.planos__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; align-items: stretch; }
.plano { background: var(--fundo); border: 1px solid var(--borda); border-radius: var(--radius-lg); padding: 1.7rem 1.4rem; text-align: left; position: relative; display: flex; flex-direction: column; }
.plano--featured { background: var(--azul-noite); color: #fff; border-color: var(--azul-noite); box-shadow: var(--shadow-lg); transform: translateY(-8px); }
.plano--featured ul li { color: rgba(255,255,255,.9); }
.plano--featured .plano__price .plano__curve, .plano--featured .plano__price .plano__per { color: var(--aqua); }
.plano__badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--ambar); color: var(--azul-noite); font-size: .75rem; font-weight: 700; padding: .3rem .9rem; border-radius: 999px; white-space: nowrap; }
.plano h3 { font-size: 1.25rem; margin-bottom: .4rem; }
.plano__price { display: flex; align-items: baseline; gap: .2rem; margin-bottom: 1.2rem; }
.plano__price b { font-size: 2.6rem; line-height: 1; }
.plano__price .plano__curve { color: var(--texto-aux); font-weight: 600; }
.plano__price .plano__per { color: var(--texto-aux); font-size: .9rem; }
.plano ul { list-style: none; display: grid; gap: .6rem; margin-bottom: 1.4rem; font-size: .92rem; }
.plano ul li { padding-left: 1.4rem; position: relative; }
.plano ul li::before { content: "\2713"; position: absolute; left: 0; color: var(--verde); font-weight: 700; }
.plano--featured ul li::before { color: var(--aqua); }
.plano .btn { margin-top: auto; }

/* Depoimento */
.depoimento { padding: 4.5rem 0; text-align: center; }
.depoimento blockquote { max-width: 760px; margin: 0 auto; }
.depoimento blockquote p { font-size: clamp(1.2rem, 3vw, 1.6rem); font-weight: 600; line-height: 1.4; }
.depoimento footer { margin-top: 1.4rem; display: flex; align-items: center; justify-content: center; gap: .8rem; }
.avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--aqua); }
.depoimento cite { font-style: normal; text-align: left; }
.depoimento cite small { display: block; color: var(--texto-aux); }

/* FAQ */
.faq { padding: 4.5rem 0; background: var(--superficie); }
.faq__item { border: 1px solid var(--borda); border-radius: var(--radius); margin-bottom: .8rem; background: var(--fundo); overflow: hidden; }
.faq__item summary { cursor: pointer; padding: 1.1rem 1.4rem; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; font-size: 1.4rem; color: var(--verde); transition: .2s; }
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p { padding: 0 1.4rem 1.2rem; color: var(--texto-aux); }

/* CTA */
.cta { padding: 5rem 0; background: linear-gradient(150deg, var(--verde), var(--aqua)); text-align: center; color: #fff; }
.cta h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: .8rem; }
.cta p { max-width: 640px; margin: 0 auto 1.8rem; color: rgba(255,255,255,.9); }

/* Footer */
.footer { background: var(--azul-noite); color: rgba(255,255,255,.8); padding: 3rem 0; }
.footer__inner { text-align: center; }
.footer__brand { display: flex; align-items: center; justify-content: center; gap: .6rem; margin-bottom: .6rem; color: #fff; }
.footer__brand .brand__name { color: #fff; font-weight: 700; }
.footer__links { display: flex; gap: 1.6rem; justify-content: center; margin: 1.4rem 0; flex-wrap: wrap; font-size: .92rem; }
.footer__links a:hover { color: var(--aqua); }
.footer__copy { font-size: .85rem; color: rgba(255,255,255,.5); }

/* WhatsApp float */
.wa-float { position: fixed; bottom: 22px; right: 22px; width: 58px; height: 58px; border-radius: 50%; background: #25D366; color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg); z-index: 60; transition: .2s; }
.wa-float:hover { transform: scale(1.08); background: #1eb457; }

/* Reveal (progressivo: só anima quando JS detecta, nunca esconde conteúdo) */
.reveal { opacity: 1; transform: none; }

/* Responsivo */
@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; gap: 2rem; }
  .pain__grid, .modulos__grid, .steps { grid-template-columns: 1fr 1fr; }
  .planos__grid { grid-template-columns: 1fr; }
  .plano--featured { transform: none; }
}
@media (max-width: 720px) {
  .nav__toggle { display: block; }
  .nav__links { position: absolute; top: 62px; left: 0; right: 0; flex-direction: column; background: var(--superficie); gap: 0; padding: .5rem 4% 1rem; border-bottom: 1px solid var(--borda); box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(-8px); transition: .2s; }
  .nav.open .nav__links { opacity: 1; pointer-events: auto; transform: none; }
  .nav__links a { padding: .9rem 0; width: 100%; border-bottom: 1px solid var(--borda); }
  .nav__links .nav__cta { margin: .8rem 0 0; border: none; }
  .pain__grid, .modulos__grid, .steps, .destaques { grid-template-columns: 1fr; }
  .hero { padding: 3.5rem 0 4rem; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__trust { gap: .8rem; }
  .hero__trust li::after { margin-left: .8rem; }
}