/* ============================================================
   WhatsApp Sender — Landing Page
   Paleta: verde WhatsApp + tons escuros + fundo claro
   ============================================================ */

:root {
  --green: #25D366;
  --green-dark: #128C7E;
  --green-darker: #075E54;
  --ink: #0f1f1c;
  --text: #2e3a38;
  --muted: #6b7a77;
  --bg: #ffffff;
  --bg-alt: #f3f8f6;
  --border: #e2ece9;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(7, 94, 84, 0.08);
  --shadow-lg: 0 20px 50px rgba(7, 94, 84, 0.15);
  --maxw: 1140px;
  --font-head: 'Poppins', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-head); color: var(--ink); line-height: 1.2; }

a { text-decoration: none; color: inherit; }

img, svg { max-width: 100%; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}
.container-narrow { max-width: 760px; }

/* ============ ÍCONES LUCIDE ============ */
[data-lucide] { width: 1em; height: 1em; stroke-width: 2.2; vertical-align: middle; }

/* ============ BOTÕES ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space: nowrap;
}
.btn i { font-size: 1.1em; }
.btn-primary {
  background: var(--green);
  color: #052e27;
  padding: 14px 28px;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(37, 211, 102, 0.45); }
.btn-light {
  background: #fff;
  color: var(--green-darker);
  padding: 14px 28px;
  box-shadow: var(--shadow);
}
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-sm { padding: 9px 18px; font-size: .92rem; }
.btn-lg { padding: 16px 34px; font-size: 1.05rem; }
.btn-block { display: flex; width: 100%; justify-content: center; }

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.site-header.scrolled { border-color: var(--border); box-shadow: 0 2px 16px rgba(7,94,84,.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.logo-accent { color: var(--green-dark); }
.logo-icon {
  display: inline-flex;
  width: 34px; height: 34px;
  align-items: center; justify-content: center;
  background: var(--green);
  color: #052e27;
  border-radius: 10px;
  font-size: 1.1rem;
}

.nav { display: flex; align-items: center; gap: 28px; }
.nav a { font-weight: 500; color: var(--text); transition: color .15s; }
.nav a:hover { color: var(--green-dark); }
.nav .btn { color: #052e27; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--ink);
  cursor: pointer;
}

/* ============ HERO ============ */
.hero {
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(37,211,102,.14), transparent 60%),
    linear-gradient(180deg, #f6fbf9 0%, #ffffff 100%);
  padding: 70px 0 80px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 50px;
  align-items: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #e3f9ec;
  color: var(--green-darker);
  font-weight: 600;
  font-size: .85rem;
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.2rem); font-weight: 800; margin-bottom: 18px; }
.hero h1 .hl { color: var(--green-dark); }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 540px; margin-bottom: 28px; }

.hero-cta { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 22px; }
.hero-price { color: var(--text); font-size: .98rem; }
.hero-price strong { color: var(--green-darker); font-size: 1.2rem; font-family: var(--font-head); }

.hero-bullets { list-style: none; display: flex; gap: 22px; flex-wrap: wrap; }
.hero-bullets li { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: .95rem; }
.hero-bullets i { color: var(--green); }

/* Dashboard mock */
.hero-visual { display: flex; justify-content: center; }
.dashboard-mock {
  width: 100%;
  max-width: 460px;
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  animation: floaty 6s ease-in-out infinite;
}
@keyframes floaty { 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-10px); } }
.mock-top {
  display: flex; align-items: center; gap: 7px;
  background: var(--green-darker);
  padding: 14px 18px;
}
.mock-top .dot { width: 11px; height: 11px; border-radius: 50%; background: rgba(255,255,255,.4); }
.mock-title { color: #fff; font-family: var(--font-head); font-weight: 600; font-size: .95rem; margin-left: 10px; }
.mock-body { padding: 20px; }
.mock-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-bottom: 20px; }
.stat { background: var(--bg-alt); border-radius: 12px; padding: 14px 10px; text-align: center; }
.stat-num { display: block; font-family: var(--font-head); font-weight: 700; font-size: 1.25rem; color: var(--green-darker); }
.stat-label { font-size: .72rem; color: var(--muted); }

.mock-row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--border); }
.mock-avatar {
  width: 38px; height: 38px; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: #e3f9ec; color: var(--green-dark);
  border-radius: 10px;
}
.mock-line { flex: 1; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.mock-strong { font-weight: 600; font-size: .9rem; color: var(--ink); }
.mock-bar { height: 6px; background: var(--border); border-radius: 999px; overflow: hidden; }
.mock-bar span { display: block; height: 100%; background: var(--green); border-radius: 999px; }
.mock-tag { font-size: .68rem; font-weight: 600; padding: 4px 9px; border-radius: 999px; flex: none; }
.tag-on { background: #fff3d6; color: #9a6b00; }
.tag-done { background: #e3f9ec; color: var(--green-darker); }

/* ============ QUICKBAR ============ */
.quickbar { background: var(--green-darker); }
.quickbar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 22px 20px;
}
.quick { display: flex; align-items: center; justify-content: center; gap: 10px; color: #eafff5; font-weight: 600; font-size: .98rem; }
.quick i { color: var(--green); font-size: 1.3rem; }

/* ============ SECTIONS ============ */
.section { padding: 84px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 50px; }
.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .78rem;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 12px;
}
.eyebrow.light { color: #aef2cf; }
.section-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); font-weight: 700; margin-bottom: 12px; }
.section-head p { color: var(--muted); font-size: 1.08rem; }

/* ============ STEPS ============ */
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.step {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px;
  text-align: center;
  transition: transform .2s, box-shadow .2s;
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.step-num {
  width: 52px; height: 52px;
  margin: 0 auto 18px;
  display: flex; align-items: center; justify-content: center;
  background: var(--green); color: #052e27;
  font-family: var(--font-head); font-weight: 800; font-size: 1.3rem;
  border-radius: 50%;
}
.step h3 { font-size: 1.2rem; margin-bottom: 8px; }
.step p { color: var(--muted); }

/* ============ FEATURES ============ */
.features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.feature {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.feature:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: #cdeadf; }
.feature-icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: #e3f9ec; color: var(--green-dark);
  border-radius: 14px;
  font-size: 1.4rem;
  margin-bottom: 18px;
}
.feature h3 { font-size: 1.15rem; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: .97rem; }

/* Card destaque IA */
.feature-ai {
  position: relative;
  border-color: var(--green);
  background: linear-gradient(160deg, #f0fff7 0%, #ffffff 60%);
}
.feature-ai .feature-icon { background: var(--green); color: #052e27; }
.feature-pill {
  position: absolute;
  top: 18px; right: 18px;
  background: var(--green); color: #052e27;
  font-family: var(--font-head); font-weight: 700; font-size: .72rem;
  letter-spacing: .05em;
  padding: 3px 10px; border-radius: 999px;
}

/* ============ ANTI-BAN ============ */
.antiban {
  background: linear-gradient(135deg, var(--green-darker) 0%, var(--green-dark) 100%);
  color: #eafff5;
}
.antiban-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 50px; align-items: center; }
.antiban .eyebrow.light { display: inline-block; }
.antiban h2 { color: #fff; font-size: clamp(1.8rem, 3.4vw, 2.4rem); margin-bottom: 16px; }
.antiban-copy p { color: #d6f5e6; font-size: 1.08rem; margin-bottom: 26px; }
.antiban-copy strong { color: #fff; }

.shield-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 22px;
  padding: 40px 34px;
  text-align: center;
  backdrop-filter: blur(6px);
}
.shield-card > i { font-size: 4rem; color: #aef2cf; }
.shield-status { display: block; font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; color: #fff; margin: 14px 0 22px; }
.shield-meta { display: flex; flex-direction: column; gap: 12px; text-align: left; }
.shield-meta span { display: flex; align-items: center; gap: 10px; color: #eafff5; font-weight: 500; }
.shield-meta i { color: var(--green); background: rgba(255,255,255,.12); padding: 4px; border-radius: 50%; font-size: 1.4rem; }

/* ============ PRICING ============ */
.pricing { display: flex; justify-content: center; }
.price-card {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: #fff;
  border: 2px solid var(--green);
  border-radius: 24px;
  padding: 42px 36px 36px;
  box-shadow: var(--shadow-lg);
  text-align: center;
}
.price-tag {
  position: absolute;
  top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--green); color: #052e27;
  font-family: var(--font-head); font-weight: 700; font-size: .78rem;
  text-transform: uppercase; letter-spacing: .05em;
  padding: 6px 16px; border-radius: 999px;
}
.price-card h3 { font-size: 1.3rem; margin-bottom: 14px; }
.price { display: flex; align-items: flex-start; justify-content: center; gap: 4px; margin-bottom: 6px; }
.price .currency { font-family: var(--font-head); font-weight: 600; font-size: 1.3rem; color: var(--green-darker); margin-top: 8px; }
.price .amount { font-family: var(--font-head); font-weight: 800; font-size: 3.4rem; color: var(--ink); line-height: 1; }
.price .period { color: var(--muted); align-self: flex-end; margin-bottom: 8px; }
.price-sub { color: var(--muted); font-size: .92rem; margin-bottom: 26px; }
.price-list { list-style: none; text-align: left; margin-bottom: 28px; display: grid; gap: 12px; }
.price-list li { display: flex; align-items: center; gap: 10px; font-size: .97rem; }
.price-list i { color: var(--green); background: #e3f9ec; padding: 3px; border-radius: 50%; font-size: 1.2rem; flex: none; }
.price-foot { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: .85rem; margin-top: 16px; }

/* ============ TESTIMONIALS ============ */
.testimonials { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.testimonial {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow);
}
.stars { display: flex; gap: 3px; color: #ffb400; margin-bottom: 14px; font-size: 1.05rem; }
.testimonial blockquote { font-size: 1.02rem; color: var(--text); margin-bottom: 18px; }
.testimonial figcaption strong { display: block; font-family: var(--font-head); color: var(--ink); }
.testimonial figcaption span { color: var(--muted); font-size: .88rem; }

/* ============ FAQ ============ */
.faq { display: grid; gap: 14px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 22px;
  transition: box-shadow .2s;
}
.faq-item[open] { box-shadow: var(--shadow); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px;
  padding: 18px 0;
  font-family: var(--font-head); font-weight: 600; font-size: 1.05rem;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { color: var(--green-dark); transition: transform .25s; flex: none; }
.faq-item[open] summary i { transform: rotate(180deg); }
.faq-item p { color: var(--muted); padding: 0 0 20px; }

/* ============ CTA FINAL ============ */
.cta-final {
  background:
    radial-gradient(800px 400px at 50% 120%, rgba(37,211,102,.25), transparent 60%),
    var(--green-darker);
  color: #fff;
  text-align: center;
  padding: 80px 0;
}
.cta-final h2 { color: #fff; font-size: clamp(1.8rem, 3.6vw, 2.6rem); margin-bottom: 14px; }
.cta-final p { color: #d6f5e6; font-size: 1.12rem; margin-bottom: 30px; }

/* ============ FOOTER ============ */
.site-footer { background: var(--ink); color: #b8c7c3; padding: 56px 0 28px; }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-brand .logo { color: #fff; margin-bottom: 12px; }
.footer-brand p { max-width: 320px; color: #8fa39e; }
.footer-nav { display: flex; flex-direction: column; gap: 12px; }
.footer-nav a { color: #b8c7c3; transition: color .15s; }
.footer-nav a:hover { color: var(--green); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 24px; font-size: .85rem; color: #8fa39e; }

/* ============ REVEAL ANIMATION ============ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ============ RESPONSIVO ============ */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { order: 1; }
  .hero-visual { order: 2; }
  .lead { margin-left: auto; margin-right: auto; }
  .hero-cta, .hero-bullets { justify-content: center; }
  .antiban-grid { grid-template-columns: 1fr; }
  .antiban-visual { order: 2; }
  .antiban-copy { order: 1; text-align: center; }
  .features-grid, .testimonials { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 10px 20px 20px;
    box-shadow: var(--shadow);
    transform: translateY(-130%);
    transition: transform .28s ease;
  }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 14px 4px; border-bottom: 1px solid var(--border); }
  .nav .btn { margin-top: 12px; justify-content: center; }
  .nav-toggle { display: block; }

  .section { padding: 60px 0; }
  .steps, .features-grid, .testimonials { grid-template-columns: 1fr; }
  .quickbar-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { flex-direction: column; gap: 28px; }
  .hero-bullets { gap: 14px; }
}

@media (max-width: 420px) {
  .price .amount { font-size: 2.8rem; }
  .btn-lg { padding: 14px 24px; font-size: 1rem; }
  .quickbar-grid { grid-template-columns: 1fr; }
}