/* ===== Ziv landing — design tokens herdados do produto ===== */
:root {
  --green-50: #f0fdf4;
  --green-100: #dcfce7;
  --green-500: #10b981;
  --green-600: #059669;
  --green-700: #047857;
  --orange-50: #fff7ed;
  --orange-500: #f97316;
  --orange-600: #ea580c;
  --n-50: #fafafa;
  --n-100: #f4f4f5;
  --n-200: #e4e4e7;
  --n-400: #a1a1aa;
  --n-500: #71717a;
  --n-700: #3f3f46;
  --n-900: #18181b;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-md: 0 4px 6px rgba(0,0,0,.05), 0 2px 4px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.08), 0 4px 10px rgba(0,0,0,.05);
  --maxw: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--n-900);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 760px; }
.hl { color: var(--green-600); }

/* ===== Botões ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; border-radius: var(--radius); cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  border: none; font-size: 1rem; padding: 14px 24px; white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--sm { padding: 10px 18px; font-size: .92rem; }
.btn--lg { padding: 16px 32px; font-size: 1.05rem; }
.btn--block { width: 100%; }
.btn--primary { background: var(--green-500); color: #fff; box-shadow: var(--shadow-md); }
.btn--primary:hover { background: var(--green-600); box-shadow: var(--shadow-lg); }
.btn--ghost { background: var(--n-100); color: var(--n-900); }
.btn--ghost:hover { background: var(--n-200); }
.btn--white { background: #fff; color: var(--green-700); box-shadow: var(--shadow-lg); }

/* ===== Header ===== */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--n-100);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.3rem; }
.logo__mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: #fff; display: grid; place-items: center; font-weight: 800; box-shadow: var(--shadow-md);
}
.nav { display: flex; gap: 28px; font-weight: 500; color: var(--n-700); }
.nav a:hover { color: var(--green-600); }
@media (max-width: 860px) { .nav { display: none; } }

/* ===== Hero ===== */
.hero { background: linear-gradient(160deg, var(--green-50), #fff 55%, var(--orange-50)); padding: 72px 0 80px; }
.hero__inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.badge {
  display: inline-block; background: var(--green-100); color: var(--green-700);
  font-weight: 600; font-size: .9rem; padding: 7px 14px; border-radius: 999px; margin-bottom: 20px;
}
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); line-height: 1.08; font-weight: 800; letter-spacing: -.02em; }
.hero__sub { font-size: 1.18rem; color: var(--n-700); margin: 22px 0 30px; max-width: 540px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__bullets { list-style: none; display: flex; gap: 22px; flex-wrap: wrap; margin-top: 26px; color: var(--n-700); font-weight: 500; }

/* Phone mock */
.hero__phone { display: flex; justify-content: center; }
.phone {
  width: 320px; max-width: 100%; background: #fff; border-radius: 28px;
  box-shadow: var(--shadow-lg); overflow: hidden; border: 8px solid var(--n-900);
}
.phone__bar { background: var(--green-600); color: #fff; display: flex; align-items: center; gap: 10px; padding: 14px 16px; }
.phone__bar strong { display: block; font-size: .95rem; }
.phone__bar small { opacity: .85; font-size: .78rem; }
.phone__avatar { width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,.25); display: grid; place-items: center; font-weight: 800; }
.phone__chat { background: #e9f3ec; padding: 16px 12px; display: flex; flex-direction: column; gap: 9px; min-height: 420px; }
.msg { max-width: 82%; padding: 9px 13px; border-radius: 14px; font-size: .9rem; box-shadow: var(--shadow-md); }
.msg--out { align-self: flex-end; background: #d9fdd3; border-bottom-right-radius: 4px; }
.msg--in { align-self: flex-start; background: #fff; border-bottom-left-radius: 4px; }
.msg--alert { background: var(--orange-50); border: 1px solid #fed7aa; }

/* ===== Strip ===== */
.strip { background: var(--n-900); color: #fff; padding: 20px 0; }
.strip__inner { display: flex; align-items: center; justify-content: center; gap: 28px; flex-wrap: wrap; font-weight: 500; }
.strip__inner > span:first-child { opacity: .7; }
.strip__items { display: flex; gap: 22px; flex-wrap: wrap; }

/* ===== Sections ===== */
.section { padding: 84px 0; }
.section--alt { background: var(--n-50); }
.section__title { font-size: clamp(1.7rem, 3.5vw, 2.5rem); font-weight: 800; text-align: center; letter-spacing: -.02em; line-height: 1.15; }
.section__lead { text-align: center; max-width: 680px; margin: 28px auto 0; font-size: 1.12rem; color: var(--n-700); }

/* ===== Cards ===== */
.cards { display: grid; gap: 22px; margin-top: 48px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: #fff; border: 1px solid var(--n-200); border-radius: var(--radius-lg);
  padding: 28px; box-shadow: var(--shadow-md); transition: transform .15s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card__emoji { font-size: 2rem; display: block; margin-bottom: 14px; }
.card h3 { font-size: 1.18rem; margin-bottom: 8px; }
.card p { color: var(--n-700); }

/* ===== Steps ===== */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 48px; }
.step { text-align: center; padding: 12px; }
.step__num {
  width: 52px; height: 52px; border-radius: 50%; margin: 0 auto 18px;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 1.3rem; box-shadow: var(--shadow-md);
}
.step h3 { margin-bottom: 8px; }
.step p { color: var(--n-700); }

/* ===== Compare ===== */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 48px; }
.compare__col { border-radius: var(--radius-lg); padding: 32px; }
.compare__col h3 { margin-bottom: 18px; font-size: 1.25rem; }
.compare__col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; font-weight: 500; }
.compare__col--bad { background: var(--n-100); color: var(--n-700); }
.compare__col--good { background: var(--green-500); color: #fff; box-shadow: var(--shadow-lg); }

/* ===== Pricing ===== */
.pricing { display: flex; justify-content: center; margin-top: 48px; }
.price-card {
  background: #fff; border: 2px solid var(--green-500); border-radius: var(--radius-lg);
  padding: 40px; max-width: 420px; width: 100%; text-align: center; box-shadow: var(--shadow-lg);
}
.price-card__tag { display: inline-block; background: var(--green-100); color: var(--green-700); font-weight: 600; padding: 6px 16px; border-radius: 999px; }
.price-card__value { display: flex; align-items: flex-start; justify-content: center; gap: 4px; margin: 22px 0 6px; }
.price-card__currency { font-size: 1.5rem; font-weight: 700; margin-top: 10px; }
.price-card__amount { font-size: 4rem; font-weight: 800; line-height: 1; letter-spacing: -.03em; }
.price-card__period { align-self: flex-end; color: var(--n-500); font-weight: 500; margin-bottom: 8px; }
.price-card__list { list-style: none; text-align: left; display: flex; flex-direction: column; gap: 12px; margin: 26px 0; font-weight: 500; }
.price-card__note { color: var(--n-400); display: block; margin-top: 14px; }

/* ===== CTA ===== */
.cta { background: linear-gradient(135deg, var(--green-600), var(--green-700)); color: #fff; padding: 84px 0; text-align: center; }
.cta h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; }
.cta p { font-size: 1.15rem; opacity: .92; margin: 16px 0 30px; }

/* ===== FAQ ===== */
.faq { margin-top: 40px; display: flex; flex-direction: column; gap: 12px; }
.faq__item { background: var(--n-50); border: 1px solid var(--n-200); border-radius: var(--radius); padding: 4px 20px; }
.faq__item summary { cursor: pointer; font-weight: 600; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq__item summary::after { content: '+'; font-size: 1.5rem; color: var(--green-600); font-weight: 400; }
.faq__item[open] summary::after { content: '−'; }
.faq__item p { color: var(--n-700); padding-bottom: 18px; }

/* ===== Footer ===== */
.footer { background: var(--n-900); color: #fff; padding: 40px 0; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer__brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.footer__nav { display: flex; gap: 22px; opacity: .85; }
.footer__nav a:hover { opacity: 1; color: var(--green-500); }
.footer small { opacity: .6; }

/* ===== WhatsApp float ===== */
.wa-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 60;
  width: 60px; height: 60px; border-radius: 50%; background: #25d366;
  display: grid; place-items: center; font-size: 1.7rem; box-shadow: var(--shadow-lg);
  transition: transform .15s ease;
}
.wa-float:hover { transform: scale(1.08); }

/* ===== Responsivo ===== */
@media (max-width: 860px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__phone { order: -1; }
  .cards--3, .steps, .compare { grid-template-columns: 1fr; }
}