/* AgendaAI — Etapa 11: design system próprio da landing comercial (prefixo pl-). */

:root {
  --pl-primary: #2563eb;
  --pl-primary-dark: #1d4ed8;
  --pl-primary-contrast: #ffffff;
  --pl-accent: #14b8a6;
  --pl-bg: #f7f9fc;
  --pl-surface: #ffffff;
  --pl-text: #0f172a;
  --pl-muted: #5b6472;
  --pl-border: #e4e8f0;
  --pl-radius: 16px;
  --pl-radius-sm: 10px;
  --pl-shadow: 0 12px 32px -18px rgba(15, 23, 42, .25);
  --pl-max: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.pl-body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--pl-text);
  background: var(--pl-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; font-weight: 800; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.2rem); }
h3 { font-size: 1.15rem; margin-bottom: .35em; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--pl-accent); outline-offset: 2px; }

.pl-container { max-width: var(--pl-max); margin: 0 auto; padding: 0 20px; }

/* Nav */
.pl-nav { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.92); backdrop-filter: saturate(180%) blur(8px); border-bottom: 1px solid var(--pl-border); }
.pl-nav-inner { display: flex; align-items: center; gap: 16px; padding: 14px 20px; }
.pl-brand { font-weight: 800; font-size: 1.25rem; text-decoration: none; color: var(--pl-text); }
.pl-nav-links { display: none; gap: 24px; margin-left: 24px; }
.pl-nav-links a { text-decoration: none; color: var(--pl-muted); font-weight: 600; font-size: .95rem; }
.pl-nav-links a:hover { color: var(--pl-text); }
.pl-nav-cta { display: none; margin-left: auto; }
.pl-nav-burger { margin-left: auto; background: none; border: 1px solid var(--pl-border); border-radius: 10px; width: 42px; height: 38px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.pl-nav-burger span { width: 20px; height: 2px; background: var(--pl-text); border-radius: 2px; }

@media (min-width: 860px) {
  .pl-nav-links { display: flex; }
  .pl-nav-cta { display: inline-flex; }
  .pl-nav-burger { display: none; }
}

.pl-nav-links.is-open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--pl-surface); padding: 16px 20px; border-bottom: 1px solid var(--pl-border); gap: 14px; }

/* Buttons */
.pl-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 20px; border-radius: 12px; font-weight: 700; text-decoration: none; font-size: .95rem; border: 1px solid transparent; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease; }
.pl-btn-primary { background: var(--pl-primary); color: var(--pl-primary-contrast); box-shadow: 0 8px 20px -8px rgba(37,99,235,.6); }
.pl-btn-primary:hover { background: var(--pl-primary-dark); transform: translateY(-1px); }
.pl-btn-ghost { background: var(--pl-surface); color: var(--pl-text); border-color: var(--pl-border); }
.pl-btn-ghost:hover { border-color: var(--pl-primary); color: var(--pl-primary); }
.pl-btn-lg { padding: 14px 26px; font-size: 1rem; }
.pl-btn-block { width: 100%; }

/* Hero */
.pl-hero { padding: 56px 0 40px; }
.pl-hero-grid { display: grid; gap: 32px; align-items: center; }
.pl-kicker { display: inline-block; background: #e8effe; color: var(--pl-primary-dark); font-weight: 700; font-size: .8rem; padding: 6px 12px; border-radius: 999px; margin-bottom: 14px; }
.pl-lead { font-size: 1.1rem; color: var(--pl-muted); max-width: 46ch; }
.pl-hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.pl-hero-visual { display: flex; justify-content: center; }
.pl-hero-card { width: 100%; max-width: 360px; background: var(--pl-surface); border: 1px solid var(--pl-border); border-radius: var(--pl-radius); box-shadow: var(--pl-shadow); padding: 24px; }
.pl-hero-card-dot { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, var(--pl-primary), var(--pl-accent)); margin-bottom: 18px; }
.pl-hero-card-line { height: 12px; border-radius: 6px; background: var(--pl-border); margin-bottom: 12px; }
.pl-w-50 { width: 50%; } .pl-w-60 { width: 60%; } .pl-w-70 { width: 70%; } .pl-w-80 { width: 80%; } .pl-w-90 { width: 90%; }

@media (min-width: 900px) {
  .pl-hero-grid { grid-template-columns: 1.1fr .9fr; }
}

/* Segments */
.pl-segments { padding: 8px 0 28px; }
.pl-segments-label { text-align: center; color: var(--pl-muted); font-weight: 600; margin-bottom: 14px; }
.pl-segments-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.pl-chip { background: var(--pl-surface); border: 1px solid var(--pl-border); border-radius: 999px; padding: 8px 16px; font-size: .88rem; font-weight: 600; color: var(--pl-text); }

/* Sections */
.pl-section { padding: 56px 0; }
.pl-section-alt { background: var(--pl-surface); border-top: 1px solid var(--pl-border); border-bottom: 1px solid var(--pl-border); }
.pl-section-title { text-align: center; margin-bottom: 10px; }
.pl-section-sub { text-align: center; color: var(--pl-muted); max-width: 60ch; margin: 0 auto 32px; }

.pl-two-col { display: grid; gap: 32px; }
@media (min-width: 860px) {
  .pl-two-col { grid-template-columns: 1fr 1fr; align-items: center; }
  .pl-two-col-reverse { direction: rtl; }
  .pl-two-col-reverse > * { direction: ltr; }
}

.pl-list-x, .pl-list-check { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.pl-list-x li { padding-left: 28px; position: relative; color: var(--pl-muted); }
.pl-list-x li::before { content: '✕'; position: absolute; left: 0; color: #dc2626; font-weight: 800; }
.pl-list-check li { padding-left: 28px; position: relative; }
.pl-list-check li::before { content: '✓'; position: absolute; left: 0; color: #16a34a; font-weight: 800; }

/* Cards */
.pl-grid-cards { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .pl-grid-cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .pl-grid-cards { grid-template-columns: repeat(3, 1fr); } }
.pl-card { background: var(--pl-surface); border: 1px solid var(--pl-border); border-radius: var(--pl-radius); padding: 22px; }
.pl-card p { color: var(--pl-muted); margin: 0; font-size: .93rem; }

/* Demo */
.pl-demo-grid { display: grid; gap: 18px; grid-template-columns: 1fr; margin-top: 8px; }
@media (min-width: 860px) { .pl-demo-grid { grid-template-columns: repeat(3, 1fr); } }
.pl-demo-phone { background: var(--pl-surface); border: 1px solid var(--pl-border); border-radius: var(--pl-radius); padding: 18px; }
.pl-demo-tag { font-weight: 800; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--pl-primary); margin-bottom: 12px; }
.pl-bubble { border-radius: 14px; padding: 10px 14px; margin-bottom: 10px; font-size: .92rem; max-width: 92%; }
.pl-bubble-in { background: #eef2ff; color: var(--pl-text); }
.pl-bubble-out { background: var(--pl-primary); color: #fff; margin-left: auto; }
.pl-demo-note { text-align: center; color: var(--pl-muted); font-size: .82rem; margin-top: 4px; }
.pl-ia-concept { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 10px; margin-top: 36px; }
.pl-ia-step { background: var(--pl-surface); border: 1px solid var(--pl-border); border-radius: 999px; padding: 8px 16px; font-weight: 700; font-size: .88rem; }
.pl-ia-arrow { color: var(--pl-muted); }
.pl-ia-tagline { text-align: center; font-weight: 700; font-size: 1.1rem; margin-top: 18px; }

/* Plans */
.pl-plans-grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 860px) { .pl-plans-grid { grid-template-columns: repeat(3, 1fr); } }
.pl-plan-card { position: relative; background: var(--pl-surface); border: 1px solid var(--pl-border); border-radius: var(--pl-radius); padding: 28px 24px; display: flex; flex-direction: column; gap: 12px; }
.pl-plan-featured { border-color: var(--pl-primary); box-shadow: var(--pl-shadow); }
.pl-plan-badge { position: absolute; top: -12px; left: 24px; background: var(--pl-primary); color: #fff; font-size: .72rem; font-weight: 800; padding: 4px 12px; border-radius: 999px; }
.pl-plan-price { font-size: 2.1rem; font-weight: 800; }
.pl-plan-price-currency { font-size: 1rem; font-weight: 700; vertical-align: top; margin-right: 2px; }
.pl-plan-price-period { font-size: .95rem; font-weight: 600; color: var(--pl-muted); }
.pl-plan-intro { color: var(--pl-muted); font-size: .9rem; flex: 1; }

/* Compare table — mobile-first: acordeão por padrão, tabela só a partir de 720px */
.pl-table-wrap { display: none; }

.pl-compare-acc-list { display: flex; flex-direction: column; gap: 10px; }
.pl-compare-acc { background: var(--pl-surface); border: 1px solid var(--pl-border); border-radius: var(--pl-radius-sm); overflow: hidden; }
.pl-compare-acc > summary { cursor: pointer; list-style: none; padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; font-weight: 800; color: var(--pl-primary-dark); background: #f1f5fd; }
.pl-compare-acc > summary::-webkit-details-marker { display: none; }
.pl-compare-acc > summary::after { content: '+'; font-weight: 800; color: var(--pl-primary); flex: none; }
.pl-compare-acc[open] > summary::after { content: '−'; }
.pl-compare-acc-title { text-transform: uppercase; font-size: .82rem; letter-spacing: .03em; }
.pl-compare-acc-count { font-weight: 600; font-size: .78rem; color: var(--pl-muted); text-transform: none; letter-spacing: 0; white-space: nowrap; }
.pl-compare-acc-body { padding: 6px 16px 12px; }
.pl-compare-feat { padding: 10px 0; border-bottom: 1px solid var(--pl-border); }
.pl-compare-feat:last-child { border-bottom: none; }
.pl-compare-feat-name { display: block; font-size: .9rem; font-weight: 700; margin-bottom: 8px; }
.pl-compare-feat-plans { display: flex; flex-wrap: wrap; gap: 6px; }
.pl-chip { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; border-radius: 999px; font-size: .74rem; font-weight: 700; }
.pl-chip-on { background: #f0fdf4; color: #15803d; }
.pl-chip-off { background: #f1f5f9; color: #94a3b8; }

@media (min-width: 720px) {
  .pl-compare-acc-list { display: none; }
  .pl-table-wrap { display: block; overflow-x: auto; border: 1px solid var(--pl-border); border-radius: var(--pl-radius); background: var(--pl-surface); }
}
table.pl-compare { width: 100%; border-collapse: collapse; min-width: 520px; }
table.pl-compare th, table.pl-compare td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--pl-border); font-size: .92rem; }
table.pl-compare thead th { background: var(--pl-bg); font-weight: 800; }
tr.pl-compare-group td { background: #f1f5fd; font-weight: 800; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--pl-primary-dark); }
.pl-compare-cell { text-align: center; }
.pl-check { color: #16a34a; font-weight: 800; }
.pl-dash { color: var(--pl-muted); }

/* Steps */
.pl-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; grid-template-columns: 1fr; max-width: 640px; margin: 0 auto; }
.pl-steps li { display: flex; align-items: center; gap: 14px; background: var(--pl-surface); border: 1px solid var(--pl-border); border-radius: var(--pl-radius-sm); padding: 14px 16px; font-weight: 600; }
.pl-step-n { width: 30px; height: 30px; flex: none; border-radius: 50%; background: var(--pl-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; }

/* Proof */
.pl-proof { text-align: center; }
.pl-proof-text { font-size: 1.2rem; font-weight: 700; color: var(--pl-muted); margin: 0; }
.pl-muted { color: var(--pl-muted); font-size: .9rem; }

/* FAQ */
.pl-faq-wrap { max-width: 760px; }
.pl-faq { display: flex; flex-direction: column; gap: 10px; }
.pl-faq-item { background: var(--pl-surface); border: 1px solid var(--pl-border); border-radius: var(--pl-radius-sm); padding: 4px 16px; }
.pl-faq-item summary { cursor: pointer; font-weight: 700; padding: 12px 0; list-style: none; }
.pl-faq-item summary::-webkit-details-marker { display: none; }
.pl-faq-item summary::after { content: '+'; float: right; font-weight: 800; color: var(--pl-primary); }
.pl-faq-item[open] summary::after { content: '−'; }
.pl-faq-item p { color: var(--pl-muted); padding-bottom: 14px; margin: 0; }

/* CTA final */
.pl-cta-final { background: linear-gradient(135deg, var(--pl-primary), var(--pl-primary-dark)); color: #fff; text-align: center; }
.pl-cta-final h2 { color: #fff; }
.pl-cta-final p { color: rgba(255,255,255,.85); }
.pl-cta-final-inner { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.pl-cta-final .pl-btn-primary { background: #fff; color: var(--pl-primary-dark); }
.pl-cta-final .pl-btn-primary:hover { background: #f1f5f9; }

/* Footer */
.pl-footer { background: #0f172a; color: #cbd5e1; padding: 40px 0 16px; }
.pl-footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,.1); }
.pl-footer-brand { color: #fff; }
.pl-footer-tag { max-width: 40ch; color: #94a3b8; font-size: .9rem; }
.pl-footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.pl-footer-links a { text-decoration: none; color: #cbd5e1; font-size: .9rem; }
.pl-footer-links a:hover { color: #fff; }
.pl-footer-bottom { padding-top: 16px; font-size: .8rem; color: #64748b; text-align: center; }

/* Checkout (Etapa 12) */
.pl-checkout { padding: 40px 0 80px; }
.pl-checkout-grid { display: grid; gap: 28px; }
@media (min-width: 960px) { .pl-checkout-grid { grid-template-columns: 1.4fr .9fr; align-items: start; } }
.pl-form-card { background: var(--pl-surface); border: 1px solid var(--pl-border); border-radius: var(--pl-radius); padding: 26px; }
.pl-form-section-title { font-size: 1rem; font-weight: 800; margin: 24px 0 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--pl-primary-dark); }
.pl-form-section-title:first-child { margin-top: 0; }
.pl-field { margin-bottom: 16px; }
.pl-field label { display: block; font-weight: 700; font-size: .88rem; margin-bottom: 6px; }
.pl-field input, .pl-field select { width: 100%; padding: 11px 14px; border-radius: 10px; border: 1px solid var(--pl-border); font: inherit; background: #fff; }
.pl-field input:focus, .pl-field select:focus { border-color: var(--pl-primary); }
.pl-field-help { font-size: .8rem; color: var(--pl-muted); margin-top: 4px; }
.pl-row-2 { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .pl-row-2 { grid-template-columns: 1fr 1fr; } }
.pl-alert { border-radius: 12px; padding: 14px 16px; margin-bottom: 20px; font-size: .92rem; }
.pl-alert-danger { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.pl-alert-ok { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.pl-summary-card { background: var(--pl-surface); border: 1px solid var(--pl-border); border-radius: var(--pl-radius); padding: 22px; position: sticky; top: 88px; }
.pl-summary-price { font-size: 1.8rem; font-weight: 800; margin: 6px 0 14px; }
.pl-summary-list { list-style: none; padding: 0; margin: 0 0 18px; display: flex; flex-direction: column; gap: 8px; font-size: .88rem; color: var(--pl-muted); }
.pl-summary-list li::before { content: '✓ '; color: #16a34a; font-weight: 800; }