/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* IMPBIA Brand Colors */
  --color-blue: hsl(220, 70%, 40%);
  --color-red: hsl(0, 75%, 55%);
  --color-yellow: hsl(48, 95%, 55%);
  --color-green: hsl(120, 60%, 40%);
  --color-brown: hsl(25, 50%, 40%);
  --color-purple: hsl(280, 60%, 50%);
  --color-orange: hsl(30, 90%, 50%);

  /* Neutral Colors */
  --color-background: hsl(0, 0%, 100%);
  --color-foreground: hsl(220, 15%, 20%);
  --color-muted: hsl(220, 15%, 95%);
  --color-muted-foreground: hsl(220, 15%, 50%);
  --color-border: hsl(220, 15%, 90%);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Border Radius */
  --radius: 0.75rem;

  /* Transitions */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--color-background);
  color: var(--color-foreground);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Navbar */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition-smooth);
  padding: var(--spacing-sm) 0;
}

#navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-container {
  cursor: pointer;
}

.logo {
  height: 50px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-links a {
  color: var(--color-foreground);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
}

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

.language-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: transparent;
  border: 2px solid var(--color-border);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 0.9rem;
}

.language-btn:hover {
  border-color: var(--color-blue);
  background-color: var(--color-muted);
}

/* Instituto Text with Color */
.instituto-text {
  color: var(--color-purple);
  font-weight: bold;
  margin-right: 0.25em;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  opacity: 50%;
  background-image: url('../assets/puzzle-bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-content {
  position: relative;
  z-index: 10;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.mascots-container {
  display: flex;
  justify-content: center;
}

.mascots {
  width: 100%;
  max-width: none;
  height: auto;
  filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.3));
  transform: scale(2) translateY(50px);
  transform-origin: center;
  margin-right: 300px;
}

.hero-text {
  text-align: left;
}

.hero-title,
.hero-subtitle {
  font-size: 3.5rem;
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

.mpbia-text {
  display: inline-flex;
}

.mpbia-text .i2 {
  color: var(--color-orange);
}

.mpbia-text .m {
  color: var(--color-blue);
}

.mpbia-text .p {
  color: var(--color-red);
}

.mpbia-text .b {
  color: var(--color-yellow);
}

.mpbia-text .i {
  color: var(--color-green);
}

.mpbia-text .a {
  color: var(--color-brown);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.btn {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-red);
  color: white;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  background-color: hsl(0, 75%, 45%);
  transform: scale(1.05);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.btn-outline:hover {
  background-color: var(--color-blue);
  color: white;
}

.btn-success {
  background-color: var(--color-green);
  color: white;
  width: 100%;
  justify-content: center;
}

.btn-success:hover {
  background-color: hsl(120, 60%, 30%);
  transform: translateY(-2px);
}

.btn-youtube {
  background-color: #FF0000;
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
}

.btn-youtube:hover {
  background-color: #CC0000;
  transform: scale(1.05);
}

/* About Section */
.about {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(180deg, var(--color-background), var(--color-muted));
}

.about-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.section-title {
  font-size: 3rem;
  font-weight: bold;
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.section-subtitle {
  font-size: 1.8rem;
  color: var(--color-muted-foreground);
  font-weight: 300;
}

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

/* About Audio Section */
.about-audio {
  margin-top: var(--spacing-xl);
  text-align: center;
}

.audio-title {
  font-size: 1.5rem;
  color: var(--color-blue);
  margin-bottom: var(--spacing-md);
}

.audio-player-about {
  max-width: 500px;
  margin: 0 auto;
}

.audio-player-about audio {
  width: 100%;
  border-radius: var(--radius);
  outline: none;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
}

/* Where We Are Section */
.where-we-are {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-background);
}

.map-container {
  max-width: 900px;
  margin: var(--spacing-3xl) auto 0;
  position: relative;
}

.brazil-map {
  width: 100%;
  height: auto;
}

.map-pin {
  position: absolute;
  transform: translate(-50%, -50%);
  cursor: pointer;
  z-index: 10;
  background-image: url(../assets/logo-main.png);
  background-size: cover;
  width: 60px;
  height: 60px;
}

.map-pin::before {
  content: '';
  width: 60px;
  height: 60px;
  background-image: url(../assets/logo-main.png);
  border-radius: 50%;
  display: block;
  animation: bounce-in 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  transition: var(--transition-smooth);
}

.map-pin:hover::before {
  transform: scale(1.25);
  box-shadow: 0 0 30px rgba(147, 51, 234, 0.8);
}

.map-pin::after {
  content: attr(data-name-pt) '\A' '+' attr(data-people) ' pessoas impactadas';
  white-space: pre;
  position: absolute;
  top: 120%;
  left: 50%;
  transform: translateX(-50%) scale(0);
  background-color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  border: 2px solid var(--color-border);
  min-width: 200px;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-blue);
  transition: var(--transition-bounce);
  z-index: 100;
  pointer-events: none;
}

.map-pin:hover::after {
  transform: translateX(-50%) scale(1);
}

/* Projects Section */
.projects {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(180deg, var(--color-muted), var(--color-background));
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.project-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--color-border);
  transition: var(--transition-smooth);
}

.project-card:hover {
  border-color: var(--color-blue);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  transform: translateY(-5px);
}

.project-image {
  height: 250px;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-content {
  padding: var(--spacing-lg);
}

.project-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-blue);
  margin-bottom: var(--spacing-md);
}

.project-description {
  color: var(--color-muted-foreground);
  line-height: 1.8;
}

/* Project Inscription Button */
.btn-inscricao {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-blue);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition-smooth);
  text-decoration: none;
}

.btn-inscricao:hover {
  background-color: hsl(220, 70%, 30%);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Impact Section with Puzzle Background */
.impact {
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
  color: white;
}

.impact::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../assets/puzzle-bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

.impact::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
      rgba(37, 99, 235, 0.85) 0%,
      rgba(220, 38, 38, 0.85) 20%,
      rgba(234, 179, 8, 0.85) 40%,
      rgba(34, 197, 94, 0.85) 60%,
      rgba(139, 69, 19, 0.85) 80%,
      rgba(37, 99, 235, 0.85) 100%);
  z-index: 1;
}

.impact .container {
  position: relative;
  z-index: 10;
}

.impact .section-title {
  color: white;
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-3xl);
}

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

.impact-number {
  font-size: 5rem;
  font-weight: bold;
  color: purple;
  margin-bottom: var(--spacing-md);
  text-shadow:
    -2px -2px 0 #000,
    2px -2px 0 #000,
    -2px 2px 0 #000,
    2px 2px 0 #000,
    0 0 10px rgba(0, 0, 0, 0.5);
}

.impact-label {
  font-size: 1.5rem;
  font-weight: 300;
}

/* Testimonials Section */
.testimonials {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-muted);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.testimonial-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transition: var(--transition-smooth);
}

.testimonial-card:hover {
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  transform: translateY(-5px);
}

.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 177.78%;
  background-color: black;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.testimonial-content {
  padding: var(--spacing-lg);
  text-align: center;
}

.testimonial-content h3 {
  font-size: 1.3rem;
  font-weight: bold;
  color: var(--color-blue);
  margin-bottom: var(--spacing-xs);
}

.testimonial-content p {
  color: var(--color-muted-foreground);
}

.testimonial-location {
  color: var(--color-green) !important;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: var(--spacing-xs);
}

/* Author Section */
.author {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(180deg, var(--color-muted), var(--color-background));
}

.author-content {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  max-width: 1100px;
  margin: var(--spacing-3xl) auto 0;
}

.author-image-container {
  position: relative;
}

.author-image {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.author-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  border: 4px solid var(--color-blue);
}

.author-social {
  margin-top: var(--spacing-md);
  text-align: center;
}

.author-instagram {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-foreground);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  color: white;
  border-radius: var(--radius);
  transition: var(--transition-smooth);
}

.author-instagram:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.author-instagram i {
  font-size: 1.2rem;
}

.audio-player {
  width: 100%;
}

.audio-player audio {
  width: 100%;
  border-radius: var(--radius);
  outline: none;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
}

.author-bio {
  text-align: left;
}

.author-name {
  font-size: 2rem;
  font-weight: bold;
  color: var(--color-blue);
  margin-bottom: var(--spacing-md);
}

.author-description {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-foreground);
}

/* Show IMPBIA Section */
.show-mpbia {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(180deg, var(--color-background), var(--color-muted));
}

.show-video-container {
  max-width: 900px;
  margin: var(--spacing-xl) auto 0;
}

.youtube-embed {
  position: relative;
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.youtube-embed iframe {
  width: 100%;
  min-height: 500px;
  border: none;
}

.youtube-channel-link {
  text-align: center;
  margin-top: var(--spacing-xl);
}

/* Donate Section */
.donate {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-muted);
}

.donate-content {
  max-width: 900px;
  margin: 0 auto;
}

.donate-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.payment-card,
.idea-card {
  background: white;
  border: 2px solid var(--color-blue);
  border-radius: var(--radius);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.card-title {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--color-blue);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.payment-section {
  margin-bottom: var(--spacing-lg);
  background-color: var(--color-muted);
  padding: var(--spacing-md);
  border-radius: var(--radius);
}

.payment-label {
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.payment-value {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius);
  margin-bottom: var(--spacing-sm);
}

.payment-value:last-child {
  margin-bottom: 0;
}

.payment-value code {
  font-size: 0.95rem;
  color: var(--color-foreground);
}

.payment-details {
  margin-top: var(--spacing-md);
}

.copy-btn {
  background: transparent;
  border: none;
  color: var(--color-blue);
  cursor: pointer;
  padding: var(--spacing-xs);
  transition: var(--transition-smooth);
}

.copy-btn:hover {
  color: var(--color-red);
  transform: scale(1.2);
}

.copy-btn.copied {
  color: var(--color-green);
}

/* Idea Form */
.idea-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.idea-form input,
.idea-form textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.idea-form input:focus,
.idea-form textarea:focus {
  outline: none;
  border-color: var(--color-blue);
}

.idea-form textarea {
  resize: vertical;
}

/* Products/Books Section */
.products {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(180deg, var(--color-muted), var(--color-background));
}

.books-carousel-container {
  position: relative;
  max-width: 1000px;
  margin: var(--spacing-xl) auto 0;
  overflow: hidden;
}

.books-carousel {
  display: flex;
  gap: var(--spacing-xl);
  transition: transform 0.5s ease;
  padding: var(--spacing-md);
}

.book-card {
  flex: 0 0 calc(33.333% - var(--spacing-lg));
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.book-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.book-image {
  height: 300px;
  overflow: hidden;
}

.book-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.book-card:hover .book-image img {
  transform: scale(1.1);
}

.book-info {
  padding: var(--spacing-md);
  text-align: center;
}

.book-info h3 {
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--color-blue);
  margin-bottom: var(--spacing-xs);
}

.book-info p {
  color: var(--color-muted-foreground);
  font-size: 0.95rem;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: white;
  border: 2px solid var(--color-blue);
  color: var(--color-blue);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition-smooth);
  z-index: 10;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.carousel-btn:hover {
  background: var(--color-blue);
  color: white;
}

.carousel-btn.prev {
  left: 0;
}

.carousel-btn.next {
  right: 0;
}

.books-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
}

/* Footer */
.footer {
  background-color: white;
  border-top: 4px solid var(--color-blue);
  padding: var(--spacing-xl) 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.footer-logo {
  height: 80px;
  width: auto;
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background-color: var(--color-blue);
  color: white;
  border-radius: 50%;
  transition: var(--transition-smooth);
  text-decoration: none;
  font-size: 1.5rem;
}

.social-link:hover {
  background-color: var(--color-red);
  transform: scale(1.1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.youtube-footer-link {
  margin-top: var(--spacing-sm);
}

.youtube-footer-link a {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: #FF0000;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.youtube-footer-link a:hover {
  transform: scale(1.05);
}

.youtube-footer-link i {
  font-size: 1.3rem;
}

.footer-text {
  text-align: center;
  color: var(--color-foreground);
}

.footer-text a {
  color: var(--color-blue);
  text-decoration: underline;
  transition: var(--transition-smooth);
  font-weight: 500;
}

.footer-text a:hover {
  color: var(--color-red);
}

.footer-email {
  color: var(--color-blue);
  font-weight: 600;
  font-size: 1.1rem;
  margin-top: var(--spacing-sm);
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  background-color: var(--color-green);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  transform: translateX(400px);
  opacity: 0;
  transition: var(--transition-bounce);
  z-index: 10000;
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

/* Animations */
@keyframes float {

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

  50% {
    transform: translateY(-15px);
  }
}

@keyframes fade-in {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in-up {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce-in {
  0% {
    transform: scale(0.3);
    opacity: 0;
  }

  50% {
    transform: scale(1.05);
  }

  70% {
    transform: scale(0.9);
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.animate-fade-in {
  animation: fade-in 0.8s ease-out;
}

.animate-fade-in-up {
  animation: fade-in-up 1s ease-out;
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
  }

  .book-card {
    flex: 0 0 calc(50% - var(--spacing-md));
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .mascots {
    transform: scale(1.2) translateY(0);
    margin-right: 0;
  }

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

  .hero-title,
  .hero-subtitle {
    font-size: 2.5rem;
  }

  .hero-buttons {
    justify-content: center;
    flex-direction: column;
  }

  .projects-grid,
  .testimonials-grid,
  .impact-grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 2rem;
  }

  .section-subtitle {
    font-size: 1.3rem;
  }

  .impact-number {
    font-size: 3.5rem;
  }

  .impact-label {
    font-size: 1.2rem;
  }

  .author-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

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

  .book-card {
    flex: 0 0 100%;
  }

  .youtube-embed iframe {
    min-height: 300px;
  }
}

@media (max-width: 480px) {

  .hero-title,
  .hero-subtitle {
    font-size: 1.8rem;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .section-title {
    font-size: 1.6rem;
  }

  .section-subtitle {
    font-size: 1.1rem;
  }

  .impact-number {
    font-size: 2.5rem;
  }

  .book-image {
    height: 250px;
  }

  .carousel-btn {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}