/* 
* SINFA Card TEA - Estilo Principal
* Arquivo: style.css
*/

/* ===== Variáveis e Reset ===== */
:root {
  --primary-color: #330033;
  --secondary-color: #25D366;
  --accent-color: #800080;
  --text-color: #333333;
  --light-text: #ffffff;
  --dark-bg: #330033;
  --light-bg: #ffffff;
  --success-color: #00B300;
  --danger-color: #FF0000;
  --border-radius: 5px;
  --box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
  --font-family: 'Inter Tight', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== Tipografia ===== */
h1, h2, h3, h4, h5, h6 {
  margin-bottom: 1rem;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.section-subtitle {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  font-weight: 400;
  text-align: center;
}

p {
  margin-bottom: 1rem;
}

.highlight {
  color: var(--secondary-color);
  font-weight: bold;
}

.highlight-purple {
  color: var(--accent-color);
  font-weight: bold;
}

/* ===== Layout Geral ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

section {
  padding: 80px 0;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

[class*="col-"] {
  padding: 0 15px;
}

.col-12 {
  width: 100%;
}

.col-md-4 {
  width: 33.33%;
}

.col-md-6 {
  width: 50%;
}

.col-lg-3 {
  width: 25%;
}

.col-lg-4 {
  width: 33.33%;
}

.col-lg-6 {
  width: 50%;
}

.col-lg-8 {
  width: 66.66%;
}

.col-lg-9 {
  width: 75%;
}

.col-lg-10 {
  width: 83.33%;
}

/* ===== Botões ===== */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--secondary-color);
  color: var(--light-text);
  border: 2px solid var(--secondary-color);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--secondary-color);
}

.cta-wrapper {
  margin-top: 1.5rem;
  text-align: center;
}

.mobile-only {
  display: none;
}

/* ===== Navegação ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(51, 0, 51, 0.9);
  backdrop-filter: blur(5px);
  padding: 15px 0;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.35);
}

.navbar-brand {
  display: flex;
  align-items: center;
}

.navbar-nav {
  display: flex;
  list-style: none;
  align-items: center;
  flex-direction: row;
  gap: 20px;
  margin: 0;
}

.nav-item {
  margin: 0;
  display: flex;
  align-items: center;
}

.nav-link {
  color: var(--light-text);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  padding: 5px 10px;
}

.nav-link:hover {
  color: var(--secondary-color);
}

.navbar-toggler {
  border: none;
  padding: 10px;
  outline: none;
  background: transparent;
  cursor: pointer;
  display: none;
}

.navbar-toggler span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: #fff;
  margin: 5px 0;
  transition: transform 0.3s ease;
}

.navbar-toggler span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--light-text);
  margin: 5px 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Animação do botão hamburguer quando ativo */
.navbar-toggler.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.navbar-toggler.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* ===== Hero Section ===== */
.hero-section {
  background-color: var(--dark-bg);
  background-image: url('../images/hero.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  color: var(--light-text);
  padding: 120px 0 100px;
  position: relative;
  text-align: center;
}

/* Overlay removido conforme solicitado */
.hero-section::before {
  display: none;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.logo-wrapper {
  text-align: center;
  margin-bottom: 30px;
}

.floating-logo {
  width: 40%;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

.main-title {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  text-align: center;
  line-height: 1.4;
}

.main-description {
  font-size: 1.1rem;
  text-align: center;
  margin-bottom: 2rem;
}

.additional-info {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  opacity: 0.9;
}

/* ===== Apresentação ===== */
.apresentacao-section {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--light-bg) 0%, #f3e6fa 100%);
  color: var(--text-color);
}

.apresentacao-centralizada {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.apresentacao-img {
  max-width: 84%;
  border-radius: 32px;
  box-shadow: var(--box-shadow);
  margin: 0 auto;
  display: block;
  transition: box-shadow 0.3s;
}

.apresentacao-img:hover {
  box-shadow: 0 8px 32px rgba(51,0,51,0.18);
}

.apresentacao-title {
  margin-top: 24px;
}

.apresentacao-section .section-title {
  font-size: 1.35rem;
  color: var(--primary-color);
  margin-bottom: 0;
  text-align: center;
}

.apresentacao-texto {
  margin-top: 24px;
}

.apresentacao-text {
  font-size: 1rem;
  color: var(--text-color);
  opacity: 0.92;
  line-height: 1.6;
  margin-bottom: 0;
  text-align: center;
}

/* Remover grid antigo */
.apresentacao-section .row,
.apresentacao-section .image-column,
.apresentacao-section .apresentacao-content {
  all: unset;
}

.apresentacao-divider {
  width: 80px;
  border: none;
  border-top: 3px solid var(--secondary-color);
  margin: 0 auto 64px auto;
  opacity: 0.7;
}

@media (max-width: 991.98px) {
  .apresentacao-section .image-column,
  .apresentacao-section .apresentacao-content {
    text-align: center;
    align-items: center;
  }
  .apresentacao-section .section-title,
  .apresentacao-text {
    text-align: center;
  }
  .apresentacao-img {
    max-width: 84%;
  }
}

/* ===== Prova Social ===== */
.prova-social-section {
  background-color: var(--light-bg);
  text-align: center;
}

.gallery-container {
  margin-top: 40px;
}

.gallery-item {
  margin-bottom: 30px;
}

.image-container {
  width: 50%;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 10px;
}

.image-container img {
  width: 100%;
  height: auto;
  aspect-ratio: 9/16;
  object-fit: cover;
  transition: var(--transition);
}

.image-container img:hover {
  transform: scale(1.05);
}

.image-caption {
  margin-top: 15px;
  font-size: 1.1rem;
  color: var(--text-color);
}

/* Continuarei com mais estilos no próximo arquivo */

/* ===== Seção de Notícias ===== */
.alert-title {
    color: #FF0000 !important;
}

.video-section {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--dark-bg) 0%, #2a1b4a 100%);
  color: var(--light-text);
}

.gallery-grid {
  margin-top: 40px;
  text-align: center;
}

.news-card {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  margin-bottom: 30px;
  box-shadow: var(--box-shadow);
  text-align: center;
}

.news-card img {
  width: 100%;
  height: auto;
  transition: var(--transition);
}

.news-card .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.news-card:hover .overlay {
  opacity: 1;
}

.news-card:hover img {
  transform: scale(1.05);
}

.search-icon {
  width: 40px;
  height: 40px;
  background-color: var(--light-text);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.search-icon:before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  top: 10px;
  left: 10px;
}

.search-icon:after {
  content: '';
  position: absolute;
  width: 2px;
  height: 8px;
  background-color: var(--primary-color);
  transform: rotate(45deg);
  bottom: 8px;
  right: 12px;
}

/* Modal de Notícias */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 1050;
  overflow: hidden;
}

.modal.fade .modal-dialog {
  transition: transform 0.3s ease-out;
  transform: translate(0, -50px);
}

.modal.show .modal-dialog {
  transform: none;
}

.modal-dialog {
  position: relative;
  width: auto;
  margin: 1.75rem auto;
  max-width: 800px;
}

.modal-content {
  position: relative;
  background-color: var(--light-bg);
  border-radius: 10px;
  overflow: hidden;
}

.modal-body {
  position: relative;
  padding: 0;
}

.btn-close {
  position: absolute;
  top: 15px;
  right: 15px;
  z-index: 10;
  width: 30px;
  height: 30px;
  background-color: var(--light-text);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-close:before, .btn-close:after {
  content: '';
  position: absolute;
  width: 15px;
  height: 2px;
  background-color: var(--primary-color);
}

.btn-close:before {
  transform: rotate(45deg);
}

.btn-close:after {
  transform: rotate(-45deg);
}

/* Carrossel */
.carousel {
  position: relative;
}

.carousel-inner {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.carousel-item {
  position: relative;
  display: none;
  width: 100%;
}

.carousel-item.active {
  display: block;
}

.carousel-item img {
  display: block;
  width: 100%;
}

.carousel-control-prev,
.carousel-control-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background-color: var(--light-text);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
}

.carousel-control-prev {
  left: 15px;
}

.carousel-control-next {
  right: 15px;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  display: inline-block;
  width: 20px;
  height: 20px;
  background-repeat: no-repeat;
  background-position: 50%;
  background-size: 100% 100%;
}

.carousel-control-prev-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23330033'%3e%3cpath d='M11.354 1.646a.5.5 0 0 1 0 .708L5.707 8l5.647 5.646a.5.5 0 0 1-.708.708l-6-6a.5.5 0 0 1 0-.708l6-6a.5.5 0 0 1 .708 0z'/%3e%3c/svg%3e");
}

.carousel-control-next-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23330033'%3e%3cpath d='M4.646 1.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1 0 .708l-6 6a.5.5 0 0 1-.708-.708L10.293 8 4.646 2.354a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

/* ===== Apresentação do Produto ===== */
.product-intro-section {
  padding: 80px 0;
  text-align: center;
}

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

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

.image-column img {
  max-width: 80%;
  margin: 0 auto;
  display: block;
}

.product-description {
  font-size: 1.2rem;
  margin-bottom: 30px;
  text-align: center;
}

/* ===== Seção de Vídeo ===== */
.video-section {
  background: linear-gradient(180deg, var(--dark-bg) 0%, #2a1b4a 100%);
  padding: 80px 0;
  color: var(--light-text);
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.video-section .section-title,
.video-section .section-subtitle {
  color: var(--light-text);
}

.video-container {
  margin: 0 auto;
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: var(--box-shadow);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-caption {
  text-align: center;
  margin-top: 15px;
  font-size: 0.9rem;
  color: var(--light-text);
  width: 100%;
}

/* ===== Funcionalidades ===== */
.features-section {
  padding: 80px 0;
  background-color: #f8f9fa;
  text-align: center;
}

.features-grid {
  margin-top: 50px;
}

.feature-item {
  margin-bottom: 30px;
}

.feature-card {
  position: relative;
  padding: 30px;
  background-color: var(--light-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  height: 100%;
  transition: var(--transition);
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-10px);
}

.icon-wrapper {
  margin-bottom: 20px;
  height: 60px;
  display: flex;
  align-items: center;
}

.icon-wrapper img {
  max-height: 100%;
}

.feature-title {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.feature-description {
  font-size: 0.95rem;
  color: var(--text-color);
}

/* ===== Oferta ===== */
.offer-section {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--dark-bg) 0%, #2a1b4a 100%);
  color: var(--light-text);
  text-align: center;
}

.offer-section .content-column {
  margin: 0 auto;
  float: none;
  text-align: center;
}

.product-image {
  max-width: 100%;
  border-radius: 10px;
  box-shadow: var(--box-shadow);
  margin: 0 auto;
}

.offer-content {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 25px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transform: translateY(0);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin: 15px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.offer-content:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.pricing-info {
  margin: 30px auto;
  max-width: 600px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.price-text {
  display: block;
  font-size: 1.8rem;
  margin-bottom: 10px;
  text-align: center;
  font-weight: bold;
}

.old-price {
  text-decoration: line-through;
  color: var(--danger-color);
  text-align: center;
  display: inline-block;
  font-size: 1.8rem;
  font-weight: bold;
}

.current-price {
  display: block;
  font-size: 4.5em;
  color: var(--success-color);
  font-weight: bold;
  margin: 15px auto;
  text-align: center;
  line-height: 1.2;
}

.secure-purchase {
  color: var(--success-color);
  display: block;
  margin-top: 10px;
}

.guarantee-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 30px auto;
  max-width: 600px;
  text-align: center;
}

.guarantee-seal {
  position: relative;
  width: 100px;
  flex-shrink: 0;
  margin: 0 auto;
}

.guarantee-seal img {
  width: 100%;
}

.guarantee-text {
  font-size: 0.9em;
  color: var(--success-color);
  margin: 0;
}

.offer-section .section-title {
  color: #00B300;
  font-weight: bold;
  margin-bottom: 0.5rem;
  font-size: 3.2rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.offer-today {
  color: #FF0000;
  font-weight: bold;
  font-size: 2rem;
  text-align: center;
  text-transform: uppercase;
  margin-bottom: 2rem;
  letter-spacing: 1px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* ===== Depoimentos ===== */
.testimonials-section {
  background-color: #f8f9fa;
  padding: 80px 0;
}

.testimonials-grid {
  margin-top: 50px;
}

.testimonial-item {
  margin-bottom: 30px;
}

.testimonial-card {
  background-color: var(--light-bg);
  border-radius: 10px;
  padding: 30px;
  height: 100%;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-5px);
}

.avatar-wrapper {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
}

.avatar-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.testimonial-name {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.testimonial-role {
  font-size: 0.9rem;
  font-weight: normal;
  color: var(--text-color);
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-color);
  font-style: italic;
}

/* ===== CTA Section ===== */
.cta-section {
  background-color: var(--primary-color);
  color: var(--light-text);
  padding: 50px 0;
}

.cta-section .btn-primary {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--light-text);
}

.cta-section .btn-primary:hover {
  background-color: transparent;
  color: var(--secondary-color);
}

.cta-text {
  font-size: 1.5rem;
  margin: 0;
}

.cta-button-wrapper {
  text-align: center;
}

.secondary-cta {
  background-color: var(--accent-color);
}

/* ===== FAQ Section ===== */
.faq-section {
  padding: 80px 0;
}

.accordion {
  margin-top: 40px;
}

.accordion-item {
  margin-bottom: 15px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.accordion-collapse {
  border: 0;
  transition: all 0.3s ease-in-out;
}

.accordion-collapse.collapse {
  display: none;
}

.accordion-collapse.collapse.show {
  display: block;
}

.accordion-button {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  padding: 20px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-color);
  text-align: left;
  background-color: var(--light-bg);
  border: none;
  border-radius: 0;
  overflow-anchor: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

.accordion-button:not(.collapsed) {
  color: var(--accent-color);
  background-color: rgba(128, 0, 128, 0.05);
}

.accordion-button::after {
  content: '';
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-left: auto;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23330033'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-size: 20px;
  transition: transform 0.2s ease-in-out;
}

.accordion-button:not(.collapsed)::after {
  transform: rotate(-180deg);
}

.navbar-collapse {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.navbar-nav {
  text-align: left;
}

.accordion-body {
  padding: 20px;
  background-color: var(--light-bg);
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.3s ease;
}

.accordion-collapse.show .accordion-body {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Partnership Section ===== */
.partnership-section {
  padding: 80px 0;
  background-color: #f8f9fa;
}

.partnership-image {
  max-width: 100%;
  border-radius: 10px;
  box-shadow: var(--box-shadow);
}

.partnership-content {
  padding: 20px;
}

.partnership-description {
  font-size: 1.2rem;
  margin: 20px 0 30px;
}

/* ===== Contact Section ===== */
.noticias-section {
  padding: 60px 0;
  text-align: center;
  background: linear-gradient(180deg, #330033 0%, #1a0b2e 100%);
  color: var(--light-text);
}

.noticias-section .section-title,
.noticias-section .section-subtitle,
.noticias-section p {
  color: var(--light-text);
}

.noticias-section .alert-title {
  color: #FF0000 !important;
}

.contact-grid {
  margin-top: 50px;
}

.contact-item {
  margin-bottom: 30px;
}

.contact-card {
  background-color: #f8f9fa;
  border-radius: 10px;
  padding: 30px;
  height: 100%;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateY(-5px);
}

.contact-title {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.contact-info {
  font-size: 1rem;
  color: var(--text-color);
}

/* ===== Social Section ===== */
.social-section {
  background-color: var(--light-bg);
  padding: 60px 0;
}

.social-section .section-title,
.social-section .section-subtitle {
  color: #2a1b4a;
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #f8f9fa;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  text-decoration: none;
}

.social-icon:hover {
  transform: translateY(-5px);
}

.social-icon i {
  font-size: 30px;
}

.social-icon i {
  color: #2a1b4a;
  transition: var(--transition);
  font-size: 2rem;
}

.social-icon:hover i {
  transform: scale(1.1);
  opacity: 0.9;
}

/* ===== Botão Voltar ao Topo ===== */
.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--secondary-color);
  color: var(--light-text);
  width: 45px;
  height: 45px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.back-to-top:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

/* ===== Footer ===== */
.footer-section {
  background-color: var(--primary-color);
  color: var(--light-text);
  padding: 20px 0;
  position: relative;
  text-align: center;
}

.copyright {
  margin: 0;
  font-size: 0.9rem;
}

.developer-credit {
  margin-top: 10px;
  text-align: center;
  font-size: 1rem;
}

.developer-credit a {
  color: #FFD700;
  text-decoration: none;
  transition: var(--transition);
}

.developer-credit a:hover {
  text-decoration: underline;
}

.nav-cta {
  margin-left: auto;
}