/* ══════════════════════════════════════════════════
   Design System — Ana Oliveira · Desenvolvimento Infantil
   Estética: Warm Editorial + Organic
   Paleta dominante: Teal profundo + Coral vibrante
   ══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=DM+Sans:ital,wght@0,400;0,500;0,700;1,400&display=swap');

/* ── Tokens ── */
:root {
  --clr-primary: #0d9488;
  --clr-primary-dark: #0a766c;
  --clr-primary-light: #5eead4;
  --clr-primary-muted: #ccfbf1;

  --clr-accent: #f97316;
  --clr-accent-dark: #ea580c;
  --clr-accent-light: #fed7aa;

  --clr-surface: #fafaf9;
  --clr-surface-alt: #f0fdfa;
  --clr-surface-card: #ffffff;

  --clr-text: #1c1917;
  --clr-text-secondary: #57534e;
  --clr-text-muted: #a8a29e;
  --clr-text-inverse: #ffffff;

  --clr-border: #e7e5e4;
  --clr-shadow: rgba(13, 148, 136, .12);

  --font-display: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --space-xs: .5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --radius-sm: .5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-full: 50%;

  --shadow-card: 0 4px 24px var(--clr-shadow);
  --shadow-elevated: 0 12px 40px rgba(13, 148, 136, .18);
  --shadow-glow: 0 0 30px rgba(13, 148, 136, .25);

  --transition-base: .3s cubic-bezier(.4, 0, .2, 1);
  --transition-bounce: .5s cubic-bezier(.34, 1.56, .64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  color: var(--clr-text);
  background: var(--clr-surface);
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul {
  list-style: none;
}

/* ── Utilidades ── */
.container {
  width: min(1200px, 90%);
  margin-inline: auto;
}

.section-padding {
  padding-block: var(--space-2xl);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  color: var(--clr-text);
  margin-bottom: var(--space-xs);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--clr-text-secondary);
  max-width: 560px;
  margin-bottom: var(--space-lg);
}

.text-center {
  text-align: center;
}

.mx-auto {
  margin-inline: auto;
}

/* ── Animação de entrada (scroll) ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s cubic-bezier(.4, 0, .2, 1), transform .7s cubic-bezier(.4, 0, .2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════
   HEADER / NAVEGAÇÃO
   ══════════════════════════════════════ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 250, 249, .85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border);
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, .06);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--clr-primary);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: .95rem;
  color: var(--clr-text-secondary);
  position: relative;
  transition: color var(--transition-base);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-primary);
  border-radius: 2px;
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--clr-primary);
}

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

.nav-cta {
  background: var(--clr-primary) !important;
  color: var(--clr-text-inverse) !important;
  padding: .6rem 1.4rem;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  transition: background var(--transition-base), transform var(--transition-base) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--clr-primary-dark) !important;
  transform: translateY(-2px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  width: 26px;
  height: 2.5px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ══════════════════════════════════════
   HERO
   ══════════════════════════════════════ */
.hero {
  padding-top: calc(72px + var(--space-2xl));
  padding-bottom: var(--space-2xl);
  background: linear-gradient(160deg, var(--clr-surface) 0%, var(--clr-surface-alt) 50%, var(--clr-primary-muted) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(13, 148, 136, .08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(249, 115, 22, .06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .4rem 1rem;
  background: var(--clr-primary-muted);
  color: var(--clr-primary-dark);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .85rem;
  margin-bottom: var(--space-md);
  border: 1px solid rgba(13, 148, 136, .15);
}

.hero-badge span {
  font-size: 1rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
  color: var(--clr-text);
  margin-bottom: var(--space-md);
}

.hero h1 .highlight {
  color: var(--clr-primary);
  position: relative;
}

.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 8px;
  background: var(--clr-accent-light);
  border-radius: 4px;
  z-index: -1;
  opacity: .7;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--clr-text-secondary);
  margin-bottom: var(--space-lg);
  max-width: 480px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hero-note {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .85rem;
  color: var(--clr-text-muted);
  margin-top: var(--space-sm);
}

.hero-note svg {
  width: 16px;
  height: 16px;
  color: var(--clr-primary);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual img {
  width: 100%;
  max-width: 520px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elevated);
  animation: heroFloat 6s ease-in-out infinite;
}

@keyframes heroFloat {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

.hero-decoration {
  position: absolute;
  width: 80px;
  height: 80px;
  background: var(--clr-accent);
  border-radius: var(--radius-md);
  opacity: .15;
  animation: decoSpin 20s linear infinite;
}

.hero-decoration:nth-child(2) {
  top: -20px;
  right: 20px;
}

.hero-decoration:nth-child(3) {
  bottom: 10px;
  left: -10px;
  width: 50px;
  height: 50px;
  background: var(--clr-primary);
  animation-duration: 30s;
}

@keyframes decoSpin {
  to {
    transform: rotate(360deg);
  }
}

/* ── Botões ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .9rem 2rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-base);
  text-transform: uppercase;
  letter-spacing: .5px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  color: var(--clr-text-inverse);
  box-shadow: 0 4px 16px rgba(13, 148, 136, .3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(13, 148, 136, .4);
}

.btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border: 2px solid var(--clr-primary);
}

.btn-outline:hover {
  background: var(--clr-primary);
  color: var(--clr-text-inverse);
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-dark));
  color: var(--clr-text-inverse);
  box-shadow: 0 4px 16px rgba(249, 115, 22, .3);
  font-size: 1.05rem;
  padding: 1rem 2.4rem;
}

.btn-accent:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 28px rgba(249, 115, 22, .45);
}

/* ══════════════════════════════════════
   SEÇÃO RECURSOS
   ══════════════════════════════════════ */
.resources {
  background: var(--clr-surface);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.resource-card {
  background: var(--clr-surface-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.resource-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.resource-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevated);
  border-color: var(--clr-primary-light);
}

.resource-card:hover::before {
  transform: scaleX(1);
}

.resource-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  margin-bottom: var(--space-md);
  transition: transform var(--transition-bounce);
}

.resource-card:hover .resource-icon {
  transform: scale(1.1) rotate(-5deg);
}

.resource-icon.teal {
  background: var(--clr-primary-muted);
}

.resource-icon.orange {
  background: var(--clr-accent-light);
}

.resource-icon.green {
  background: #dcfce7;
}

.resource-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: var(--space-xs);
  color: var(--clr-text);
}

.resource-card p {
  color: var(--clr-text-secondary);
  font-size: .95rem;
  line-height: 1.7;
}

/* ══════════════════════════════════════
   SEÇÃO COMPOSIÇÃO DO MATERIAL
   ══════════════════════════════════════ */
.composition {
  background: var(--clr-surface-alt);
  position: relative;
}

.composition .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.composition-visual {
  position: relative;
}

.composition-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.composition-visual::after {
  content: '📚';
  position: absolute;
  top: -16px;
  right: -16px;
  font-size: 2.5rem;
  animation: heroFloat 4s ease-in-out infinite;
}

.composition-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.composition-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--clr-surface-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--clr-border);
  transition: all var(--transition-base);
}

.composition-item:hover {
  border-color: var(--clr-primary-light);
  box-shadow: var(--shadow-card);
  transform: translateX(6px);
}

.composition-check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--clr-primary);
  color: #fff;
  border-radius: var(--radius-full);
  display: grid;
  place-items: center;
  font-size: .9rem;
  margin-top: 2px;
}

.composition-item p {
  color: var(--clr-text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

.composition-item strong {
  color: var(--clr-text);
}

/* ══════════════════════════════════════
   SEÇÃO OFERTA / PRICING
   ══════════════════════════════════════ */
.pricing {
  background: var(--clr-surface-alt);
  color: var(--clr-text);
  position: relative;
  overflow: hidden;
}

.pricing .section-title {
  color: var(--clr-text);
}

.pricing .section-subtitle {
  color: var(--clr-text-secondary);
}

.pricing-card {
  max-width: 500px;
  margin-inline: auto;
  background: var(--clr-surface-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: center;
  position: relative;
  transition: all var(--transition-base);
  box-shadow: 0 8px 40px rgba(0, 0, 0, .08);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 50px rgba(0, 0, 0, .12);
}

/* ── Header do card (topo gradiente creme) ── */
.pricing-card-header {
  background: linear-gradient(180deg, #fef3c7 0%, #fffbeb 60%, #ffffff 100%);
  padding: var(--space-lg) var(--space-xl) var(--space-md);
  position: relative;
}

.pricing-label {
  display: inline-block;
  padding: .4rem 1.2rem;
  background: linear-gradient(135deg, #d97706, #f59e0b);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .78rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--space-md);
  box-shadow: 0 3px 12px rgba(217, 119, 6, .3);
}

.pricing-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.45rem;
  color: var(--clr-text);
  margin-bottom: .4rem;
}

.pricing-card .price-description {
  color: var(--clr-text-secondary);
  font-size: .92rem;
  margin-bottom: var(--space-md);
}

/* ── Bloco de preço ── */
.pricing-price-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
  padding-bottom: .5rem;
}

.price-old {
  font-size: .85rem;
  color: var(--clr-text-muted);
  text-decoration: line-through;
  letter-spacing: .5px;
}

.price-current {
  display: flex;
  align-items: baseline;
  gap: .15rem;
  line-height: 1;
  margin-top: .2rem;
}

.price-symbol {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--clr-accent);
  align-self: flex-start;
  margin-top: .6rem;
}

.price-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 4.5rem;
  color: var(--clr-accent);
  letter-spacing: -2px;
}

.price-badge {
  display: inline-block;
  padding: .3rem 1rem;
  background: #dcfce7;
  color: #16a34a;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .8rem;
  border-radius: var(--radius-full);
  margin-top: .4rem;
  font-style: italic;
}

/* ── Corpo do card (features) ── */
.pricing-card-body {
  padding: var(--space-md) var(--space-xl) var(--space-lg);
}

.pricing-features {
  text-align: left;
  margin-bottom: var(--space-lg);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .7rem 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--clr-text);
  border-bottom: 1px solid var(--clr-border);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li .check {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: #dcfce7;
  color: #16a34a;
  border-radius: var(--radius-full);
  display: grid;
  place-items: center;
  font-size: .75rem;
  font-weight: 700;
}

/* ── Botão largo ── */
.btn-full {
  width: 100%;
  justify-content: center;
  border-radius: 50px;
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* ── Trust badges ── */
.pricing-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--clr-border);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .85rem;
  font-weight: 500;
  color: var(--clr-text-secondary);
}

.trust-item svg {
  color: var(--clr-text-muted);
}

/* ══════════════════════════════════════
   SEÇÃO FAQ
   ══════════════════════════════════════ */
.faq {
  background: var(--clr-surface);
}

.faq-list {
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq-item {
  background: var(--clr-surface-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item.active {
  border-color: var(--clr-primary-light);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--clr-text);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: color var(--transition-base);
}

.faq-question:hover {
  color: var(--clr-primary);
}

.faq-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--clr-primary-muted);
  border-radius: var(--radius-full);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  color: var(--clr-primary);
  transition: transform var(--transition-base), background var(--transition-base);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--clr-primary);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s cubic-bezier(.4, 0, .2, 1), padding .4s;
  padding: 0 var(--space-lg);
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 var(--space-lg) var(--space-md);
}

.faq-answer p {
  color: var(--clr-text-secondary);
  line-height: 1.7;
  font-size: .95rem;
}

/* ══════════════════════════════════════
   FOOTER
   ══════════════════════════════════════ */
.footer {
  background: #1c1917;
  color: rgba(255, 255, 255, .6);
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--clr-primary-light);
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-links a {
  font-size: .9rem;
  color: rgba(255, 255, 255, .5);
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--clr-primary-light);
}

.footer-copy {
  font-size: .8rem;
  color: rgba(255, 255, 255, .3);
  text-align: center;
}

.footer-disclaimer {
  font-size: .75rem;
  color: rgba(255, 255, 255, .25);
  text-align: center;
  max-width: 500px;
  margin-top: var(--space-xs);
}

/* ══════════════════════════════════════
   RESPONSIVO
   ══════════════════════════════════════ */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-description {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-visual img {
    max-width: 400px;
  }

  .composition .container {
    grid-template-columns: 1fr;
  }

  .composition-visual {
    order: -1;
    max-width: 480px;
    margin-inline: auto;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(250, 250, 249, .98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    transform: translateY(-120%);
    transition: transform var(--transition-base);
    border-bottom: 1px solid var(--clr-border);
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .hamburger {
    display: flex;
  }

  .resources-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-inline: auto;
  }

  .section-padding {
    padding-block: var(--space-xl);
  }

  .hero {
    padding-top: calc(72px + var(--space-xl));
  }

  .hero-visual img {
    max-width: 320px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.75rem;
  }

  .btn {
    padding: .75rem 1.5rem;
    font-size: .9rem;
  }

  .btn-accent {
    padding: .85rem 1.8rem;
  }

  /* .pricing-card { padding: var(--space-lg); } */
}