/* RESET */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  scroll-behavior: smooth;
}

/* BASE */
body {
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: #f9fafb;
  color: #111827;
  line-height: 1.6;
}

/* VARIÁVEIS */
:root {
  --primary: #2563eb;
  --primary-soft: #e0edff;
  --accent: #f97316;
  --bg-page: #f9fafb;
  --bg-card: #ffffff;
  --bg-alt: #f3f4f6;
  --border-soft: #e5e7eb;
  --text-main: #111827;
  --text-muted: #6b7280;
  --radius-lg: 1.2rem;
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.08);
  --container-width: 1120px;
}

/* CONTAINER */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* LINKS & BOTÕES */
a {
  color: inherit;
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    background-color 0.15s ease,
    color 0.15s ease;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  background-color: #1d4ed8;
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.55);
}

.btn-outline {
  border: 1px solid #d1d5db;
  background: #ffffff;
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: #9ca3af;
  background-color: #f9fafb;
}

.btn-full {
  width: 100%;
}

/* NAVBAR */
.navbar {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-soft);
}

.nav-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0;
  gap: 0.75rem;
  margin-left: 1rem;
}

.nav-top > div {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo {
  height: 52px;
}

.nav-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.nav-main {
  display: flex;
  gap: 1.4rem;
  font-size: 0.9rem;
  margin-right: 1rem;
}
#professora{
  border-radius: 1.6rem;
  width: 400px;
}

.nav-main a {
  color: var(--text-muted);
  position: relative;
}

.nav-main a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width 0.18s ease;
}

.nav-main a:hover {
  color: var(--text-main);
}

.nav-main a:hover::after {
  width: 100%;
}

/* HERO */
.hero {
  background-color: #ffffff;
  padding: 3.5rem 0 3.8rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2.1rem, 2.5vw + 1.2rem, 2.8rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero-sub {
  color: var(--text-muted);
  max-width: 32rem;
  margin-bottom: 1.7rem;
}

.hero-sub strong {
  color: var(--text-main);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.8rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.2rem;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-main);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* HERO MEDIA */
.hero-media {
  position: relative;
}

.hero-photo-wrapper {
  border-radius: 1.6rem;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background-color: #e5e7eb;
}

.hero-photo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Card flutuante */
.hero-floating-card {
  position: absolute;
  right: 2rem;
  bottom: -6rem;
  width: min(260px, 80%);
  background-color: #ffffff;
  border-radius: 1.1rem;
  box-shadow: 0 16px 35px rgba(15, 23, 42, 0.18);
  border: 1px solid var(--border-soft);
  padding: 1rem 1.1rem;
}

.hero-floating-card h2 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.hero-floating-card ul {
  list-style: none;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.hero-floating-card li {
  margin-bottom: 0.25rem;
  padding-left: 0.85rem;
  position: relative;
}

.hero-floating-card li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
}

/* SEÇÕES GENÉRICAS */
.section {
  padding: 3rem 0;
  background-color: var(--bg-page);
}

.section-alt {
  background-color: var(--bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 2rem;
}

.section-header h2 {
  font-size: 1.8rem;
  margin-bottom: 0.4rem;
}

.section-header p {
  color: var(--text-muted);
}

/* SOBRE */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: flex-start;
}

.about-grid p {
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

.about-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  padding: 1.6rem 1.5rem;
  box-shadow: var(--shadow-soft);
}

.about-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.7rem;
}

.about-card ul {
  list-style: none;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.about-card li {
  margin-bottom: 0.4rem;
  padding-left: 1rem;
  position: relative;
}

.about-card li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
}

/* GRID 3 */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
}

/* CARDS DE BENEFÍCIO / INFO */
.card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  padding: 1.5rem 1.4rem;
  box-shadow: var(--shadow-soft);
}

.card-icon {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* PLANOS */
.plan-card {
  position: relative;
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  padding: 1.6rem 1.5rem;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}


.plan-card:active {
  transform: scale(0.97);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}
.gratis-piscando {
  color: #5835e5;
  font-weight: bold;
  animation: piscar 1s infinite;
}

@keyframes piscar {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.plan-card-featured {
  border-color: var(--primary);
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.18);
}

.plan-badge {
  position: absolute;
  top: 1rem;
  right: 1.1rem;
  font-size: 0.72rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background-color: var(--primary-soft);
  color: var(--primary);
}

.plan-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.plan-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

.plan-card ul {
  list-style: none;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
}

.plan-card li {
  margin-bottom: 0.4rem;
  padding-left: 0.9rem;
  position: relative;
}

.plan-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
}

.plan-price {
  font-weight: 600;
  color: var(--text-main);
}

/* CONTATO */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: flex-start;
}

.contact-grid p {
  color: var(--text-muted);
  max-width: 28rem;
  margin-bottom: 1.1rem;
}

.contact-whatsapp {
  margin-top: 0.4rem;
}

/* FORMULÁRIO */
.contact-form {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  padding: 1.6rem 1.5rem;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.contact-form label {
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  border-radius: 0.75rem;
  border: 1px solid #d1d5db;
  padding: 0.6rem 0.7rem;
  font-size: 0.9rem;
  outline: none;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    background-color 0.15s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #9ca3af;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.35);
  background-color: #ffffff;
}

/* FOOTER */
.footer {
  background-color: #ffffff;
  border-top: 1px solid var(--border-soft);
  padding: 1.2rem 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* RESPONSIVO */
@media (max-width: 960px) {
  .hero-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2.8rem;
  }

  .hero-media {
    max-width: 380px;
    margin: 0 auto;
  }

  .nav-main {
    display: none; /* simplificação: esconde menu em mobile */
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
  }
}