/* Design tokens do Kieduca — espelham teacharoo-main-app/src/styles/tokens.css.
   Editar AQUI; os componentes abaixo consomem por var(). */
:root {
  --paper: #F8FAFD;
  --card: #FFFFFF;
  --ink: #0D183D;
  --ink-700: #353A5B;
  --ink-600: #5A6080;
  --ink-500: #8189A6;
  --ink-200: #E5E8F2;
  --ink-100: #EEF0F7;
  --ink-50:  #F6F7FB;
  --blue-50:  #E6F0FF;
  --blue-100: #DBEAFE;
  --blue-200: #BFDBFE;
  --blue-500: #3B82F6;
  --blue-600: #2563EB;
  --blue-700: #1E40AF;
  --blue-800: #0D183D;
  --accent:        #FFB703;
  --accent-hover:  #FFC733;
  --accent-shadow: #E09E00;
  --green: #1F8A5B;
  --green-bg: #E7F6EE;
  /* nomes antigos mantidos como alias: o CSS legado ainda os referencia */
  --honey: var(--accent);
  --honey-hover: var(--accent-hover);
  --honey-shadow: var(--accent-shadow);
  --cream-card: var(--ink-50);
  --cream-border: var(--ink-200);
  --font-title: "Poppins", system-ui, sans-serif;
  --font-body: "Poppins", system-ui, -apple-system, sans-serif;
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); line-height: 1.5; }
h1, h2, h3 { font-family: var(--font-title); letter-spacing: -0.03em; margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 28px; }
.container.narrow { max-width: 820px; }

/* Botões */
.btn { display: inline-block; cursor: pointer; font-weight: 700; border-radius: 12px; padding: 13px 22px; font-size: 16px; text-align: center; transition: background 0.15s; }
.btn-sm { padding: 10px 18px; font-size: 15px; }
.btn-block { display: block; }
.btn-primary { background: var(--blue-600); color: #fff; box-shadow: 0 3px 0 var(--blue-800); }
.btn-primary:hover { background: var(--blue-500); }
.btn-ghost { background: var(--card); color: var(--ink-700); border: 1px solid var(--ink-200); }
.btn-ghost:hover { background: var(--ink-50); color: var(--ink); }

/* Pílulas / selos */
.pill { display: inline-block; background: var(--blue-50); color: var(--blue-700); font-weight: 700; font-size: 13px; padding: 6px 13px; border-radius: 999px; }
.pill-alert { background: #0D183D; color: #FFE28A; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(251, 247, 238, 0.9); backdrop-filter: blur(8px); border-bottom: 1px solid #EEF0F7; }
.header-inner { display: flex; align-items: center; gap: 24px; padding-top: 14px; padding-bottom: 14px; }
.brand { font-family: var(--font-title); font-weight: 800; font-size: 21px; display: flex; align-items: center; gap: 8px; }
.nav { display: flex; gap: 6px; margin-left: 12px; }
.nav a { padding: 9px 13px; border-radius: 9px; font-weight: 600; font-size: 15px; }
.nav a:hover { background: #F6F7FB; }
.header-inner > .btn { margin-left: auto; }

/* Hero */
.hero { padding: 70px 0 40px; text-align: center; }
.hero h1 { font-size: 56px; line-height: 1.02; margin: 18px 0 16px; }
.hero .accent { color: var(--blue-600); }
.hero p { font-size: 19px; color: var(--ink-600); max-width: 560px; margin: 0 auto 28px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-note { font-size: 14px; color: var(--ink-500); font-weight: 600; margin-top: 16px; }

/* Cabeçalho de seção */
.section-head { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.section-head h2 { font-size: 44px; line-height: 1.02; margin: 14px 0 12px; }
.section-head p { font-size: 18px; color: var(--ink-600); margin: 0; }

/* Planos */
.planos { padding: 74px 0; }
.plan-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: stretch; max-width: 820px; margin: 0 auto; }
.plan-card { position: relative; display: flex; flex-direction: column; background: var(--cream-card); border: 1px solid var(--cream-border); border-radius: var(--radius); padding: 34px 30px; }
.plan-card.is-featured { background: #fff; border: 2px solid var(--blue-600); box-shadow: 0 22px 50px -30px rgba(37, 99, 235, .45); }
.plan-badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--honey); color: var(--ink); font-weight: 800; font-size: 12px; padding: 5px 14px; border-radius: 999px; box-shadow: 0 2px 0 var(--honey-shadow); white-space: nowrap; }
.plan-title { font-family: var(--font-title); font-weight: 800; font-size: 21px; }
.plan-note { font-size: 14.5px; color: var(--ink-500); margin: 6px 0 18px; }
.plan-price { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; margin-bottom: 5px; }
.plan-amount { font-family: var(--font-title); font-weight: 800; font-size: 42px; }
.plan-period { font-size: 15px; color: var(--ink-500); }
.plan-savings { background: var(--green-bg); color: var(--green); font-weight: 700; font-size: 12px; padding: 3px 9px; border-radius: 999px; }
.plan-sub { font-size: 13.5px; color: var(--ink-500); margin: 0 0 22px; }
.plan-perks { list-style: none; padding: 0; margin: 0 0 28px; display: flex; flex-direction: column; gap: 13px; }
.plan-perks li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; color: #353A5B; }
.check { flex-shrink: 0; width: 20px; height: 20px; border-radius: 99px; background: var(--green-bg); color: var(--green); font-size: 12px; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; }
.is-featured .check { background: #E6F0FF; color: #E09E00; }
.plan-card .btn { margin-top: auto; }

/* Toggle Anual / Mensal (card destaque) */
.plan-toggle { display: inline-flex; align-self: flex-start; background: #F6F7FB; border: 1px solid #E5E8F2; border-radius: 999px; padding: 4px; gap: 2px; margin-bottom: 16px; }
.pt-opt { cursor: pointer; font-weight: 700; font-size: 14px; padding: 7px 18px; border-radius: 999px; color: #8189A6; transition: background 0.15s, color 0.15s; }
.pt-opt.on { background: var(--blue-600); color: #fff; }

/* FAQ */
.faq { padding: 74px 0; background: #fff; border-top: 1px solid #EEF0F7; }
.faq h2 { font-size: 40px; text-align: center; margin-bottom: 36px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--cream-card); border: 1px solid var(--cream-border); border-radius: 14px; padding: 18px 22px; }
.faq-item summary { font-family: var(--font-title); font-weight: 700; font-size: 18px; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { font-size: 15.5px; color: var(--ink-600); margin: 14px 0 0; }

/* Footer */
.site-footer { background: #0D183D; color: #8189A6; padding: 52px 0 30px; }
.foot-brand { font-family: var(--font-title); font-weight: 800; font-size: 21px; color: #fff; }
.site-footer p { max-width: 320px; margin: 12px 0 22px; font-size: 14px; }
.foot-copy { border-top: 1px solid #25304F; padding-top: 22px; font-size: 13px; }

/* Responsivo */
@media (max-width: 760px) {
  .hero h1 { font-size: 40px; }
  .section-head h2 { font-size: 34px; }
  .plan-grid { grid-template-columns: 1fr; }
  .nav { display: none; }
}