/* ==========================================================================
   DESIGN SYSTEM & CUSTOM PROPERTIES
   ========================================================================== */
:root {
  /* Brand Palette */
  --color-primary: #000c2e;         /* Navy Blue (from Logo) */
  --color-primary-light: #0d1e52;   /* Navy lighter shade */
  --color-secondary: #0066ff;       /* Electric Blue (from Logo) */
  --color-secondary-hover: #0052cc; /* Darker Electric Blue */
  --color-accent: #00b4d8;          /* Bright Cyan Accent */
  --color-accent-light: #e0f2fe;    /* Sky/Cyan light tint */
  
  /* Neutral Palette */
  --color-bg-white: #ffffff;
  --color-bg-light: #f8f9fa;        /* Light Grey Background */
  --color-bg-card: #ffffff;
  --color-text-dark: #1e293b;       /* Dark slate for high readability */
  --color-text-muted: #64748b;     /* Slate gray for secondary text */
  --color-border: #e2e8f0;          /* Light border line */
  
  /* Typography */
  --font-headings: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Layout & Spacing */
  --container-max-width: 1200px;
  --header-height: 150px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Shadows & Radius */
  --shadow-sm: 0 2px 8px rgba(0, 12, 46, 0.04);
  --shadow-md: 0 10px 30px rgba(0, 12, 46, 0.06);
  --shadow-lg: 0 20px 40px rgba(0, 12, 46, 0.1);
  --shadow-hover: 0 22px 48px rgba(0, 12, 46, 0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-dark);
  background-color: var(--color-bg-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

button, input, textarea {
  font-family: inherit;
  border: none;
  background: none;
  outline: none;
}

/* ==========================================================================
   REUSABLE UTILITIES & DIVISION WAVES
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding-top: 80px;
  padding-bottom: 80px;
}

.section-divider {
  width: 100%;
  line-height: 0;
  margin: 0;
  padding: 0;
}

.section-divider svg {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 768px) {
  .section {
    padding-top: 50px;
    padding-bottom: 50px;
  }
}

/* Section Header styling */
.section-header {
  text-align: center;
  margin-bottom: 60px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle {
  font-family: var(--font-headings);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-secondary);
  font-size: 0.85rem;
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-headings);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.25;
}

.section-line {
  width: 60px;
  height: 4px;
  background-color: var(--color-secondary);
  margin: 18px auto 20px auto;
  border-radius: var(--radius-full);
}

.section-description {
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-headings);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-primary {
  background-color: var(--color-secondary);
  color: var(--color-bg-white);
  box-shadow: 0 4px 14px rgba(255, 122, 0, 0.3);
}

.btn-primary:hover {
  background-color: var(--color-secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 122, 0, 0.4);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

.badge {
  display: inline-block;
  background-color: var(--color-accent-light);
  color: var(--color-primary);
  font-family: var(--font-headings);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

/* ==========================================================================
   HEADER / HEADER NAVIGATION
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), height var(--transition-fast);
}

.header.scrolled {
  height: 100px;
  background-color: var(--color-bg-white);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo-link {
  display: flex;
  align-items: center;
  height: 100%;
}

.logo-img {
  height: 130px;
  width: auto;
  transition: height var(--transition-fast);
}

.header.scrolled .logo-img {
  height: 85px;
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-headings);
  font-weight: 600;
  color: var(--color-text-dark);
  font-size: 0.95rem;
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-secondary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
}

.nav-link:hover::after, .nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.instagram-icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.instagram-icon-link:hover {
  background-color: #e1306c;
  color: var(--color-bg-white);
  border-color: #e1306c;
  transform: scale(1.05);
}

/* Custom CSS Hamburger menu */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  cursor: pointer;
  background: none;
  border: none;
  z-index: 1001;
  padding: 0;
}

.hamburger-bar {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-bar:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-bar:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

@media (max-width: 768px) {
  :root {
    --header-height: 90px !important;
  }
  .logo-img {
    height: 70px !important;
  }
  .header.scrolled {
    height: 75px !important;
  }
  .header.scrolled .logo-img {
    height: 55px !important;
  }
}

@media (max-width: 991px) {
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-bg-white);
    flex-direction: column;
    padding: 40px 24px;
    align-items: flex-start;
    transition: left var(--transition-normal);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
    border-top: 1px solid var(--color-border);
  }
  
  .nav-menu.open {
    left: 0;
  }
  
  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 20px;
    margin-bottom: 40px;
  }
  
  .nav-link {
    font-size: 1.2rem;
    display: block;
    width: 100%;
    padding: 12px 0;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .btn-header {
    display: none;
  }
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  background: radial-gradient(circle at 80% 20%, #f0f7ff 0%, var(--color-bg-white) 70%);
  padding-top: calc(var(--header-height) + 40px);
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
}

.hero-content {
  max-width: 600px;
}

.hero-title {
  font-family: var(--font-headings);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.whatsapp-btn-icon {
  vertical-align: middle;
  margin-right: 6px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

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

.stat-number {
  font-family: var(--font-headings);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background-color: var(--color-border);
}

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px; /* Enable 3D space */
}

/* Hero Metrics Panel */
.hero-metrics {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-number {
  font-family: var(--font-headings);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-secondary);
  line-height: 1.2;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.metric-divider {
  width: 1px;
  height: 36px;
  background-color: var(--color-border);
}

@media (max-width: 576px) {
  .hero-metrics {
    gap: 16px;
  }
  .metric-divider {
    display: none;
  }
  .metric-item {
    flex: 1 1 calc(50% - 16px);
  }
}

/* Premium Hero Visual Card Container */
.hero-visual-card {
  position: relative;
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-lg);
  padding: 14px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  z-index: 2;
  margin-left: auto;
}

.hero-visual-card:hover {
  transform: translateY(-5px) rotate(0.5deg);
  box-shadow: var(--shadow-hover);
}

/* Glowing background aura behind the image card */
.hero-visual-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 115%;
  height: 115%;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.16) 0%, rgba(0, 180, 216, 0.08) 50%, rgba(255, 255, 255, 0) 70%);
  z-index: -1;
  pointer-events: none;
  filter: blur(25px);
}

/* Dual-row Infinite Scrolling Book Marquee */
.hero-marquee-showcase {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  padding: 24px 0;
  overflow: hidden;
  position: relative;
  border-radius: var(--radius-md);
  transform: perspective(1000px) rotateY(-8deg) rotateX(4deg);
  transform-style: preserve-3d;
}

/* Gradient fade overlay for smooth transition edges */
.hero-marquee-showcase::before,
.hero-marquee-showcase::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 10;
  pointer-events: none;
}

.hero-marquee-showcase::before {
  left: 0;
  background: linear-gradient(to right, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0) 100%);
}

.hero-marquee-showcase::after {
  right: 0;
  background: linear-gradient(to left, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0) 100%);
}

.marquee-lane {
  width: 100%;
  overflow: hidden;
  display: flex;
}

.marquee-track {
  display: flex;
  gap: 14px;
  width: max-content;
  will-change: transform;
}

/* Lane Animations */
.lane-1 .marquee-track {
  animation: scroll-left 25s linear infinite;
}

.lane-2 .marquee-track {
  animation: scroll-right 25s linear infinite;
}

/* Pause animation on hover */
.hero-marquee-showcase:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-item {
  width: 110px;
  height: 155px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 6px 14px rgba(0, 12, 46, 0.15);
  border: 1px solid rgba(0, 0, 0, 0.08);
  position: relative;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1), z-index 0.4s;
  background-color: var(--color-bg-white);
  transform-style: preserve-3d;
}

/* Book spine highlight overlay */
.marquee-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 10px;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.15) 0%, rgba(255, 255, 255, 0.08) 30%, rgba(0, 0, 0, 0.02) 100%);
  pointer-events: none;
}

.marquee-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.marquee-item:hover {
  transform: scale(1.18) translateZ(35px) rotate(-1.5deg);
  box-shadow: 0 16px 32px rgba(0, 12, 46, 0.28);
  z-index: 20;
}

/* Animation Keyframes */
@keyframes scroll-left {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@keyframes scroll-right {
  0% {
    transform: translateX(-50%);
  }
  100% {
    transform: translateX(0);
  }
}

@media (max-width: 768px) {
  .hero-marquee-showcase {
    transform: none;
    padding: 12px 0;
  }
  .marquee-item {
    width: 95px;
    height: 135px;
  }
}

@media (max-width: 991px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .hero-content {
    margin: 0 auto;
  }
  
  .hero-title {
    font-size: 2.75rem;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
}

/* ==========================================================================
   QUEM SOMOS SECTION
   ========================================================================== */
.quem-somos {
  background-color: var(--color-bg-light);
}

.quem-somos-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 50px;
  align-items: center;
}

.quem-somos-content p {
  color: var(--color-text-muted);
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.quem-somos-content .paragraphhighlight {
  font-size: 1.2rem;
  color: var(--color-text-dark);
  font-weight: 500;
  line-height: 1.6;
}

.quote-text {
  font-family: var(--font-headings);
  font-size: 1.15rem;
  font-weight: 600;
  font-style: italic;
  color: var(--color-primary);
  border-left: 4px solid var(--color-secondary);
  padding-left: 20px;
  margin: 30px 0 10px 0;
}

.quem-somos-visual {
  display: flex;
  justify-content: center;
}

.stats-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 40px 35px;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.stats-card-header {
  margin-bottom: 30px;
}

.stats-card-header h3 {
  font-family: var(--font-headings);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
}

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

/* Vertical Timeline Styling */
.timeline {
  display: flex;
  flex-direction: column;
  position: relative;
}

.timeline-item {
  display: flex;
  gap: 20px;
  position: relative;
}

.timeline-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.timeline-dot {
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background-color: var(--color-secondary);
  border: 3px solid var(--color-bg-white);
  box-shadow: 0 0 0 2px var(--color-secondary);
  z-index: 2;
}

.timeline-line {
  width: 2px;
  flex-grow: 1;
  background-color: var(--color-border);
  margin-top: 4px;
  margin-bottom: -16px; /* overlapping dot overlap spacing */
}

.timeline-item:last-child .timeline-line {
  display: none;
}

.timeline-content {
  padding-bottom: 32px;
}

.timeline-item:last-child .timeline-content {
  padding-bottom: 0;
}

.timeline-year {
  font-family: var(--font-headings);
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--color-secondary);
  text-transform: uppercase;
  margin-bottom: 2px;
  letter-spacing: 0.5px;
}

.timeline-content h4 {
  font-family: var(--font-headings);
  font-size: 1.1rem;
  font-weight: 750;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.timeline-content p {
  font-size: 0.9rem !important;
  color: var(--color-text-muted);
  line-height: 1.45;
  margin-bottom: 0 !important;
}

/* Mensagem Institucional */
.mensagem-institucional {
  background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
  border-radius: var(--radius-lg);
  padding: 50px;
  margin-top: 60px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.mensagem-institucional::before {
  content: '“';
  position: absolute;
  top: -20px;
  right: 20px;
  font-size: 15rem;
  color: rgba(255, 122, 0, 0.05);
  font-family: Georgia, serif;
  line-height: 1;
  pointer-events: none;
}

.mensagem-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.mensagem-subtitle {
  font-family: var(--font-headings);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-secondary);
  font-size: 0.8rem;
  display: block;
  margin-bottom: 8px;
}

.mensagem-content h3 {
  font-family: var(--font-headings);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.mensagem-content p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.mensagem-content p:last-of-type {
  margin-bottom: 0;
}

.mensagem-content .mensagem-highlight {
  font-size: 1.25rem;
  color: var(--color-text-dark);
  font-weight: 600;
  line-height: 1.6;
}

.mensagem-quote {
  font-family: var(--font-headings);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  font-style: italic;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px dashed var(--color-border);
}

@media (max-width: 768px) {
  .mensagem-institucional {
    padding: 35px 24px;
    margin-top: 40px;
  }
  
  .mensagem-content h3 {
    font-size: 1.6rem;
  }
  
  .mensagem-content p {
    font-size: 0.95rem;
  }
  
  .mensagem-quote {
    font-size: 1.05rem;
  }
}

/* Missão, Visão e Valores */
.mvv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.mvv-card {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: 35px 30px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.mvv-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.mvv-icon-wrapper {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.mvv-icon-wrapper svg {
  width: 24px;
  height: 24px;
}

.mvv-card:nth-child(1) .mvv-icon-wrapper {
  background-color: #e0f2fe;
  color: #0066ff;
}

.mvv-card:nth-child(2) .mvv-icon-wrapper {
  background-color: #e0f2fe;
  color: #0096c7;
}

.mvv-card:nth-child(3) .mvv-icon-wrapper {
  background-color: #dcfce7;
  color: #16a34a;
}

.mvv-card h3 {
  font-family: var(--font-headings);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.mvv-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.valores-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.valores-list li {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  position: relative;
  padding-left: 20px;
}

.valores-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #16a34a;
  font-weight: bold;
}

@media (max-width: 991px) {
  .quem-somos-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .mvv-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 40px;
  }
}

/* ==========================================================================
   DIFERENCIAIS PEDAGÓGICOS SECTION
   ========================================================================== */
.diferenciais-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.diferencial-card {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.diferencial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.diferencial-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.diferencial-icon.icon-yellow {
  background-color: #fef3c7;
  color: #d97706;
}

.diferencial-icon.icon-teal {
  background-color: #e0f2fe;
  color: #0369a1;
}

.diferencial-icon.icon-orange {
  background-color: #e0f2fe;
  color: #0066ff;
}

.diferencial-icon.icon-blue {
  background-color: #e0f2fe;
  color: var(--color-accent);
}

.diferencial-card h3 {
  font-family: var(--font-headings);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.diferencial-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

@media (max-width: 991px) {
  .diferenciais-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .diferenciais-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   LIVROS SECTION
   ========================================================================== */
.livros-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tab-btn {
  font-family: var(--font-headings);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: 1.5px solid var(--color-border);
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.tab-btn.active {
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  border-color: var(--color-primary);
  box-shadow: 0 4px 10px rgba(0, 12, 46, 0.15);
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.book-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.book-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.book-cover-container {
  height: 280px;
  background-color: #f1f5f9;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  overflow: hidden;
}

.book-cover-img {
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 10px 20px rgba(0, 12, 46, 0.15));
  transition: transform var(--transition-normal);
}

.book-card:hover .book-cover-img {
  transform: scale(1.05) rotate(1deg);
}

.category-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.category-tag.fund-1 {
  background-color: #fef3c7;
  color: #d97706;
}

.category-tag.fund-2 {
  background-color: #e0f2fe;
  color: #0369a1;
}

.category-tag.infantil {
  background-color: #e0f2fe;
  color: #0052cc;
}

.category-tag.ano-1-5 {
  background-color: #fef3c7;
  color: #d97706;
}

.category-tag.ano-6-9 {
  background-color: #f3e8ff;
  color: #7e22ce;
}

.category-tag.maozinhas {
  background-color: #dcfce7;
  color: #15803d;
}

.category-tag.paradidaticos {
  background-color: #ffe4e6;
  color: #be123c;
}

.book-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.book-grade {
  font-family: var(--font-headings);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 8px;
}

.book-title {
  font-family: var(--font-headings);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.book-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
  flex-grow: 1;
}

.book-price {
  font-family: var(--font-headings);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-secondary);
  margin-bottom: 20px;
}

.book-actions {
  display: flex;
  gap: 10px;
  margin-top: auto;
}

.book-actions .btn {
  flex: 1;
}

.book-btn-icon {
  vertical-align: middle;
  margin-right: 6px;
}

@media (max-width: 991px) {
  .books-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 650px) {
  .books-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   DEPOIMENTOS (TESTIMONIALS) SECTION
   ========================================================================== */
.depoimentos {
  background-image: radial-gradient(#e2e8f0 1.5px, transparent 1.5px);
  background-size: 24px 24px;
}

.depoimentos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.depoimento-card {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: relative;
}

.quote-icon-wrapper {
  margin-bottom: 24px;
}

.text-orange {
  color: var(--color-secondary);
}

.depoimento-text {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-dark);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 30px;
  flex-grow: 1;
}

.depoimento-author {
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
  display: flex;
  align-items: center;
}

.author-info h4 {
  font-family: var(--font-headings);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
}

.author-info p {
  font-size: 0.8rem !important;
  color: var(--color-text-muted);
  margin-bottom: 0 !important;
}

@media (max-width: 991px) {
  .depoimentos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 650px) {
  .depoimentos-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   MOCKUP SAMPLE CTA BANNER
   ========================================================================== */
.sample-cta-box {
  background-image: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  border-radius: var(--radius-lg);
  padding: 60px 80px;
  color: var(--color-bg-white);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.sample-cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 122, 0, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
  border-radius: var(--radius-full);
}

.sample-tag {
  display: inline-block;
  background-color: var(--color-secondary);
  color: var(--color-bg-white);
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sample-cta-content h2 {
  font-family: var(--font-headings);
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.sample-cta-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.05rem;
  margin-bottom: 30px;
  line-height: 1.6;
}

.btn-orange {
  background-color: var(--color-secondary);
  color: var(--color-bg-white);
}

.btn-orange:hover {
  background-color: var(--color-secondary-hover);
  transform: translateY(-2px);
}

/* Pure CSS 3D overlapping books mockup */
.sample-cta-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 200px;
  position: relative;
}

.sample-book-stack {
  position: relative;
  width: 140px;
  height: 180px;
}

.s-book {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-sm);
  box-shadow: 5px 10px 25px rgba(0, 0, 0, 0.3);
  transform-style: preserve-3d;
  transition: transform 0.3s;
}

.book-orange {
  background-image: linear-gradient(135deg, #00c2ff 0%, #0066ff 100%);
  transform: rotate(-10deg) translate(-20px, 10px);
  z-index: 1;
}

.book-teal {
  background-image: linear-gradient(135deg, #00b4d8 0%, #0077b6 100%);
  transform: rotate(5deg) translate(0, -5px);
  z-index: 2;
}

.book-navy {
  background-image: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  transform: rotate(18deg) translate(25px, 15px);
  z-index: 3;
}

.sample-cta-box:hover .book-orange {
  transform: rotate(-16deg) translate(-30px, 15px);
}

.sample-cta-box:hover .book-teal {
  transform: rotate(2deg) translate(0, -10px);
}

.sample-cta-box:hover .book-navy {
  transform: rotate(24deg) translate(35px, 20px);
}

@media (max-width: 991px) {
  .sample-cta-box {
    grid-template-columns: 1fr;
    padding: 40px;
    text-align: center;
  }
  
  .sample-cta-visual {
    margin-top: 20px;
  }
}

/* ==========================================================================
   MODAL DE LEITURA (PDF MODAL READER)
   ========================================================================== */
.reader-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 12, 46, 0.6);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.reader-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.reader-modal-window {
  width: 100%;
  max-width: 950px;
  height: 90vh;
  background-color: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-normal);
}

.reader-modal-overlay.open .reader-modal-window {
  transform: scale(1) translateY(0);
}

.reader-modal-header {
  height: 64px;
  padding: 0 24px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-bg-light);
}

.reader-title-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.reader-title-area h3 {
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-primary);
}

.text-teal {
  color: var(--color-accent);
}

.reader-modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.reader-modal-close:hover {
  background-color: #fee2e2;
  color: #ef4444;
  transform: rotate(90deg);
}

.reader-modal-body {
  flex-grow: 1;
  position: relative;
  background-color: #f1f5f9;
}

.reader-modal-body iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.pdf-fallback-message {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  padding: 24px;
  max-width: 400px;
  background-color: var(--color-bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  display: none;
}

.pdf-fallback-message a {
  color: var(--color-secondary);
  font-weight: 700;
  text-decoration: underline;
}

/* ==========================================================================
   BLOG SECTION
   ========================================================================== */
.blog {
  background-color: var(--color-bg-light);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.blog-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.blog-image-container {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.blog-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.blog-card:hover .blog-img {
  transform: scale(1.06);
}

.blog-category {
  position: absolute;
  bottom: 16px;
  left: 16px;
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 0.75rem;
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.blog-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-date-icon {
  vertical-align: middle;
  margin-right: 4px;
}

.blog-title {
  font-family: var(--font-headings);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.35;
}

.blog-title a:hover {
  color: var(--color-secondary);
}

.blog-summary {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
}

.blog-footer {
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
  margin-top: auto;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.blog-read-more:hover {
  color: var(--color-secondary);
  gap: 10px;
}

.blog-arrow-icon {
  vertical-align: middle;
  margin-left: 4px;
  transition: transform 0.2s;
}

.blog-read-more:hover .blog-arrow-icon {
  transform: translateX(4px);
}

@media (max-width: 991px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 650px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   FAQ ACCORDION SECTION
   ========================================================================== */
.faq-accordion-wrapper {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast);
}

.faq-item.open {
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-family: var(--font-headings);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  cursor: pointer;
  background: none;
  transition: background-color var(--transition-fast);
}

.faq-question:hover {
  background-color: var(--color-bg-light);
}

.faq-icon-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.open .faq-icon-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-answer p {
  padding: 0 28px 24px 28px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   CONTACT & LOCATION SECTION
   ========================================================================== */
.contato-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.contato-info {
  display: flex;
  flex-direction: column;
}

.info-intro {
  margin-bottom: 40px;
}

.info-intro h3 {
  font-family: var(--font-headings);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.info-intro p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.info-item {
  display: flex;
  gap: 20px;
}

.info-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background-color: var(--color-accent-light);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-text h4 {
  font-family: var(--font-headings);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.info-text p, .info-text a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.info-text a:hover {
  color: var(--color-secondary);
}

.whatsapp-link {
  font-weight: 600;
  color: #25d366 !important;
}

.whatsapp-link:hover {
  opacity: 0.85;
}

/* Contact Form */
.contato-form-wrapper {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.form-title {
  font-family: var(--font-headings);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 8px;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--color-text-dark);
  background-color: var(--color-bg-light);
  transition: all var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  background-color: var(--color-bg-white);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(0, 12, 46, 0.06);
}

.form-textarea {
  height: 120px;
  resize: vertical;
}

.form-status {
  margin-top: 15px;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  display: none;
}

.form-status.success {
  color: #10b981;
}

.form-status.error {
  color: #ef4444;
}

/* Map Location Container */
.map-container {
  margin-top: 60px;
}

.map-title {
  font-family: var(--font-headings);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.map-iframe-wrapper {
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

@media (max-width: 991px) {
  .contato-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 80px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-logo {
  height: 60px;
  width: auto;
  align-self: flex-start;
  filter: brightness(0) invert(1); /* Render it white to contrast with dark background */
}

.footer-tagline {
  font-size: 0.95rem;
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--color-bg-white);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background-color: var(--color-secondary);
  color: var(--color-bg-white);
  transform: translateY(-2px);
}

.footer-links h4, .footer-info h4 {
  font-family: var(--font-headings);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-bg-white);
  margin-bottom: 24px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-secondary);
  padding-left: 6px;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-info p {
  font-size: 0.95rem;
}

.footer-info strong {
  color: var(--color-bg-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
}

.footer-bottom-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .footer-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-bottom-container {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 0.15s;
}

.delay-2 {
  transition-delay: 0.3s;
}

.delay-3 {
  transition-delay: 0.45s;
}