/* =========================
   ESTUDINHO | Landing do produto
   Mobile-first, leve, colorido, amigável
========================= */

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Nunito', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #1F2937;
  background: #F9FAFB;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid #E5E7EB;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 52px; width: auto; display: block; }
@media (min-width: 720px) { .brand-logo { height: 64px; } }

.site-nav { display: none; align-items: center; gap: 6px; }
.site-nav a {
  font-weight: 700;
  font-size: 15px;
  padding: 8px 14px;
  border-radius: 999px;
  color: #374151;
  transition: background .15s, color .15s;
}
.site-nav a:hover { background: #F3F4F6; color: #111827; }
.site-nav a.nav-cta {
  background: #22C55E;
  color: #fff;
}
.site-nav a.nav-cta:hover { background: #16A34A; color: #fff; }
@media (min-width: 820px) { .site-nav { display: inline-flex; } }

/* ============ BOTÃO WHATSAPP ============ */
.btn-wa {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #22C55E;
  color: #fff;
  font-weight: 800;
  border-radius: 999px;
  padding: 14px 24px;
  font-size: 16px;
  box-shadow: 0 10px 24px -10px rgba(34,197,94,.7);
  transition: transform .15s ease, box-shadow .2s ease, background .15s;
}
.btn-wa:hover { background: #16A34A; transform: translateY(-2px); box-shadow: 0 16px 30px -12px rgba(34,197,94,.75); }
.btn-wa svg { flex: 0 0 auto; }
.btn-lg { padding: 16px 28px; font-size: 17px; }

/* ============ HERO ============ */
.hero {
  padding: 56px 0 40px;
  text-align: center;
  background:
    radial-gradient(1200px 500px at 50% -10%, color-mix(in srgb, #8B5CF6 16%, transparent), transparent 70%),
    linear-gradient(180deg, #FFFFFF 0%, #F9FAFB 100%);
}
.hero-inner { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.hero-mascote {
  height: 120px; width: auto;
  filter: drop-shadow(0 12px 24px rgba(139,92,246,.28));
  animation: bob 4s ease-in-out infinite;
}
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.hero h1 {
  margin: 12px 0 12px;
  font-size: clamp(30px, 6vw, 52px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.08;
  color: #111827;
}
.hero-accent {
  display: block;
  margin-top: 8px;
  font-size: clamp(18px, 3.4vw, 26px);
  background: linear-gradient(90deg, #8B5CF6, #3B82F6, #EC4899, #F59E0B);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  max-width: 620px;
  margin: 0 auto 26px;
  font-size: clamp(16px, 2.3vw, 19px);
  color: #4B5563;
  font-weight: 600;
}

/* ============ SEÇÕES GENÉRICAS ============ */
.secao { padding: 56px 0; }
.secao-tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: color-mix(in srgb, #8B5CF6 14%, transparent);
  color: #7C3AED;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.secao-tag.light { background: rgba(255,255,255,.2); color: #fff; }
.secao-titulo {
  margin: 0 0 14px;
  font-size: clamp(24px, 4.4vw, 38px);
  font-weight: 900;
  letter-spacing: -.02em;
  color: #111827;
  line-height: 1.15;
}
.secao-lead {
  max-width: 680px;
  margin: 0 0 32px;
  font-size: clamp(16px, 2.2vw, 18px);
  color: #4B5563;
  font-weight: 600;
}

/* ============ GRID DE FEATURES ============ */
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
@media (min-width: 720px) { .grid-3 { grid-template-columns: repeat(3, 1fr); gap: 24px; } }
.feat {
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 22px;
  padding: 26px 22px;
  transition: transform .15s ease, box-shadow .2s ease;
}
.feat:hover { transform: translateY(-3px); box-shadow: 0 14px 30px -16px rgba(17,24,39,.2); }
.feat-ico {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 16px;
  background: color-mix(in srgb, var(--c, #8B5CF6) 14%, transparent);
  color: var(--c, #8B5CF6);
  margin-bottom: 16px;
}
.feat-ico svg { width: 28px; height: 28px; }
.feat h3 { margin: 0 0 6px; font-size: 20px; font-weight: 900; color: #111827; }
.feat p { margin: 0; color: #4B5563; font-weight: 600; }

/* ============ ÁREAS ============ */
.secao-areas { background: #fff; }
.grid-disc {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
@media (min-width: 720px) { .grid-disc { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; } }

.card-disc {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 22px 20px 24px;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--c), var(--c2));
  color: #fff;
  min-height: 160px;
  overflow: hidden;
  isolation: isolate;
  box-shadow: 0 8px 24px -10px color-mix(in srgb, var(--c) 60%, transparent);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card-disc::after {
  content: "";
  position: absolute;
  inset: auto -40px -40px auto;
  width: 180px; height: 180px;
  background: radial-gradient(circle, rgba(255,255,255,.18), transparent 60%);
  z-index: -1;
}
.card-disc:hover { transform: translateY(-3px); box-shadow: 0 14px 30px -10px color-mix(in srgb, var(--c) 70%, transparent); }
.card-disc-icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: rgba(255,255,255,.22);
}
.card-disc-icon svg { width: 24px; height: 24px; color: #fff; }
.card-disc h3 { margin: 0; font-size: 21px; font-weight: 900; letter-spacing: -.01em; }
.card-disc p { margin: 0; font-size: 14px; opacity: .95; font-weight: 700; }

/* ============ SOCIOEMOCIONAL DESTAQUE ============ */
.socio {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
  background: linear-gradient(135deg, #EC4899, #F9A8D4);
  color: #fff;
  border-radius: 26px;
  padding: 28px 24px;
  box-shadow: 0 16px 40px -18px rgba(236,72,153,.6);
}
.socio-ico {
  width: 60px; height: 60px;
  display: grid; place-items: center;
  border-radius: 18px;
  background: rgba(255,255,255,.22);
  flex: 0 0 auto;
}
.socio-ico svg { width: 32px; height: 32px; }
.socio-text { flex: 1; }
.socio-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.22);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.socio h3 { margin: 0 0 8px; font-size: clamp(22px, 3.6vw, 30px); font-weight: 900; letter-spacing: -.01em; }
.socio p { margin: 0; font-weight: 600; font-size: 16px; opacity: .96; max-width: 720px; }
@media (min-width: 720px) {
  .socio { flex-direction: row; align-items: center; padding: 34px 32px; gap: 26px; }
}

/* ============ PARA A SUA ESCOLA ============ */
.secao-escola {
  background: linear-gradient(135deg, #6D28D9, #8B5CF6 55%, #3B82F6);
  color: #fff;
}
.escola-box {
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-items: center;
}
.escola-text { flex: 1; }
.escola-text h2 {
  margin: 0 0 14px;
  font-size: clamp(26px, 4.6vw, 40px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.12;
}
.escola-text > p {
  margin: 0 0 20px;
  font-size: clamp(16px, 2.2vw, 18px);
  color: rgba(255,255,255,.92);
  font-weight: 600;
  max-width: 620px;
}
.escola-lista {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.escola-lista li {
  position: relative;
  padding-left: 34px;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
}
.escola-lista li::before {
  content: "";
  position: absolute;
  left: 0; top: 2px;
  width: 22px; height: 22px;
  border-radius: 999px;
  background: #22C55E url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 14px no-repeat;
}
.escola-visual { flex: 0 0 auto; display: grid; place-items: center; }
.escola-visual img {
  height: 200px; width: auto;
  filter: drop-shadow(0 18px 34px rgba(0,0,0,.3));
  animation: bob 4.6s ease-in-out infinite;
}
@media (min-width: 860px) {
  .escola-box { flex-direction: row; align-items: center; gap: 48px; }
}

/* ============ CONTATO ============ */
.secao-contato { text-align: center; padding: 64px 0; }
.contato-inner { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.contato-inner h2 {
  margin: 0 0 8px;
  font-size: clamp(26px, 4.6vw, 40px);
  font-weight: 900;
  letter-spacing: -.02em;
  color: #111827;
}
.contato-inner > p {
  margin: 0 0 24px;
  font-size: clamp(16px, 2.2vw, 18px);
  color: #4B5563;
  font-weight: 600;
  max-width: 520px;
}
.contato-num {
  margin: 14px 0 0 !important;
  font-weight: 900;
  font-size: 22px;
  color: #111827;
  letter-spacing: .02em;
}

/* ============ FOOTER ============ */
.site-footer {
  background: #111827;
  color: #D1D5DB;
  padding: 34px 0 30px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-logo { height: 44px; width: auto; }
.footer-brand strong { color: #fff; font-size: 18px; display: block; }
.footer-brand p { margin: 4px 0 0; font-size: 13px; color: #9CA3AF; }
.copyright { margin: 0; font-size: 13px; color: #6B7280; }
@media (min-width: 720px) {
  .footer-inner { flex-direction: row; align-items: center; justify-content: space-between; }
}

/* ============ WHATSAPP FLUTUANTE ============ */
.wa-float {
  position: fixed;
  right: 18px; bottom: 18px;
  z-index: 80;
  width: 60px; height: 60px;
  display: grid; place-items: center;
  border-radius: 999px;
  background: #22C55E;
  color: #fff;
  box-shadow: 0 12px 28px -8px rgba(34,197,94,.7);
  transition: transform .15s ease, background .15s;
}
.wa-float:hover { background: #16A34A; transform: scale(1.06); }

/* ============ FOCUS A11Y ============ */
:focus-visible { outline: 3px solid color-mix(in srgb, #8B5CF6 70%, #fff); outline-offset: 2px; }