/* ==================== VARIÁVEIS GLOBAIS ==================== */
:root {
  --primary-blue: #0d6efd;
  --primary-purple: #6610f2;
  --accent-gold: #ffd700;
  --accent-orange: #ff9800;
  --bg-white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-dark-main: #121212;
  --bg-dark-surface: #1e1e1e;
  --bg-dark-card: #2c2c2c;
  --text-dark: #343a40;
  --text-dark-alt: #333333;
  --text-light: #f5f5f5;
  --text-muted: #6c757d;
  --grad-primary: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
  --grad-accent: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
  --grad-info: linear-gradient(135deg, #00c6ff, #0072ff);
  --font-main: 'Poppins', sans-serif;
  --transition-fast: all 0.3s ease;
  --transition-med: all 0.4s ease;
}

/* ==================== ESTILOS BASE ==================== */
html,
body {
  width: 100%;
  height: 100%;
  font-family: var(--font-main);
  margin: 0;
  padding: 0;
}

body {
  padding-top: 100px;
  transition: background-color 0.5s ease, color 0.5s ease;
}
/* ==================== NAVEGAÇÃO E LINKS ==================== */
/* ============================
   nav bar customizada
============================ */
/* NAVBAR BASE */
.navbar {
  display: flex;
  align-items: center;
}

.active-link {
  color: var(--primary-blue) !important;
}

.active-link::after {
  width: 100% !important;
}

.custom-navbar {
  position: fixed;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  width: 95%;
  z-index: 999;
  border-radius: 15px;
  padding: 12px 25px;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.7);
  transition: var(--transition-med);
}

.custom-navbar.scrolled {
  top: 5px;
  padding: 8px 20px;
  width: 92%;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}
.custom-link {
  position: relative;
  font-weight: 500;
  color: var(--text-dark-alt) !important;
  transition: var(--transition-fast);
}
/* DARK MODE */
body.dark-theme .custom-navbar {
  background: rgba(30, 30, 30, 0.8);
  box-shadow: 0 8px 25px rgba(0,0,0,0.4);
}
.navbar-toggler {
  border: none;
  outline: none;
}

body.dark-theme .navbar-toggler {
  background: rgba(255, 255, 255, 0.685);
  border-radius: 8px;
}

/* LINKS */
.custom-link {
  position: relative;
  font-weight: 500;
  color: #333 !important;
  transition: all 0.3s ease;
  z-index: 1;
}

.custom-link::after {
  content: "";
  position: absolute;
  width: 0%;
  height: 2px;
  bottom: 6px;
  left: 0;
  background: var(--primary-blue);
  transition: width 0.3s ease;
  z-index: -1; 
   left: 50%;
  transform: translateX(-50%);   
}

.custom-link:hover::after {
  width: 60%;
  
}

.custom-link:hover {
  color: var(--primary-blue) !important;
}

@media (max-width: 991px) {
  .navbar-nav {
    align-items: center;
  }

  .nav-item {
    width: auto;
  }

  .custom-link {
    display: inline-block;
    padding: 8px 0;
  }
}

/* DARK MODE LINKS */
body.dark-theme .custom-link {
  color: #f5f5f5 !important;
}

body.dark-theme .custom-link:hover {
  color: #ffd700 !important;
}

body.dark-theme .custom-link::after {
  background: #ffd700;
}
/* BOTÃO GRADIENTE */
.btn-gradient {
  background: var(--grad-primary);
  color: #fff;
  border-radius: 50px;
  padding: 8px 20px;
  font-weight: 600;
  border: none;
  transition: all 0.3s ease;
}

.btn-gradient:hover {
  transform: scale(1.05);
  box-shadow: 0 5px 20px rgba(13,110,253,0.4);
  color: #fff;
}

body.dark-theme .btn-gradient{
  background: var(--grad-accent);
  color: black;
}
body.dark-theme .btn-gradient:hover{
  box-shadow: 0 5px 5px rgba(255, 193, 7, 0.7)
}

/* LOGO */
.navbar-brand {
  font-size: 1.3rem;
  letter-spacing: 1px;
}

/* ==================== BOTÕES GERAIS ==================== */
.btn-gradient {
  background: var(--grad-primary);
  color: var(--bg-white);
  border-radius: 50px;
  padding: 8px 20px;
  font-weight: 600;
  border: none;
  transition: var(--transition-fast);
}

.btn-gradient:hover {
  transform: scale(1.05);
  box-shadow: 0 5px 20px rgba(13, 110, 253, 0.4);
  color: var(--bg-white);
}

.btn-light {
  box-shadow: rgba(0, 0, 0, 0.15) 0px 3px 10px;
  border: none !important;
}

/* ==================== CARDS BASE ==================== */
.card {
  box-shadow: rgba(149, 157, 165, 0.2) 0px 8px 24px;
  border: none !important;
  transition: background-color 0.5s ease, color 0.5s ease, transform 0.3s ease;
}

.card-body {
  padding: 1.5rem !important;
}

/* ==================== UTILITÁRIOS RESPONSIVOS ==================== */
@media all and (min-width: 569px) {
  .no-padding-bottom {
    padding-bottom: 0px !important;
  }
  .no-margin-bottom {
    margin-bottom: 0px !important;
  }
  .text-bg {
    backdrop-filter: blur(10px);
    padding: 20px 45px;
    border-radius: 10px;
    max-width: 80%;
    margin: auto;
    position: relative;
    z-index: 2;
  }
  .title-font {
    font-size: 42pt;
  }
  .lead-alt {
    font-size: 1.25rem;
  }
  .hidden-col {
    display: none;
  }
  .displayed-col {
    display: block;
  }
}

@media all and (max-width: 568px) {
  .mt-sm {
    margin-top: 1.5rem !important;
  }
  .text-bg {
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 10px;
    max-width: 100%;
    position: relative;
    z-index: 2;
  }
  .title-font {
    font-size: 24pt;
    text-align: center;
  }
  .lead-alt {
    font-size: 1.1rem;
  }
  .hidden-col {
    display: block;
  }
  .displayed-col {
    display: none;
  }
}

/* ==================== TEMA ESCURO (DARK THEME) ==================== */
body,
.navbar,
.btn-theme,
a {
  transition: background-color 0.5s ease, color 0.5s ease, transform 0.3s ease;
}

body.dark-theme {
  background-color: var(--bg-dark-main) !important;
  color: var(--text-light) !important;
}

body.dark-theme .custom-navbar,
body.dark-theme .navbar,
body.dark-theme .container.bg-light {
  background-color: var(--bg-dark-surface) !important;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

body.dark-theme .navbar .nav-link,
body.dark-theme .navbar .navbar-brand {
  color: var(--bg-white) !important;
}

body.dark-theme .custom-link {
  color: var(--text-light) !important;
}

body.dark-theme .custom-link:hover {
  color: var(--accent-gold) !important;
}

body.dark-theme .custom-link::after {
  background: var(--accent-gold);
}

body.dark-theme .btn-gradient {
  background: var(--grad-accent);
  color: black;
}

body.dark-theme .btn-gradient:hover {
  box-shadow: 0 5px 5px rgba(255, 193, 7, 0.7);
}

/* ==================== BOTÃO DE TROCA DE TEMA ==================== */
.btn-theme {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  overflow: hidden;
  position: relative;
  transition: var(--transition-med);
}

.btn-theme .theme-icon {
  font-size: 1.2rem;
  display: inline-block;
  transition: transform 0.5s ease, color 0.5s ease, filter 0.5s ease;
}

.btn-theme .theme-text {
  display: inline-block;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.btn-theme:hover {
  transform: scale(1.1);
}

body:not(.dark-theme) .btn-theme {
  background: #f0f0f0;
  color: var(--bg-dark-main);
}

body:not(.dark-theme) .btn-theme:hover { background: #ddd; }
body:not(.dark-theme) .btn-theme .theme-icon { color: #121212; }
body.dark-theme .btn-theme {
  background: #1e1e1e;
  color: #fff;
}
body.dark-theme .btn-theme:hover { background: #333; }
body.dark-theme .btn-theme .theme-icon { color: #ffd700; }

body:not(.dark-theme) .btn-theme:hover {
  background: #ddd;
}

body:not(.dark-theme) .btn-theme .theme-icon {
  color: var(--bg-dark-main);
}

body.dark-theme .btn-theme {
  background: var(--bg-dark-surface);
  color: var(--bg-white);
}

body.dark-theme .btn-theme:hover {
  background: #333;
}

body.dark-theme .btn-theme .theme-icon {
  color: var(--accent-gold);
}

/* ==================== CARDS ESPECÍFICOS (ESTUDANTE E PROFESSOR) ==================== */
.card-student {
  background: var(--bg-white);
  color: #212529;
}

.card-teacher {
  background: #212529;
  color: var(--bg-white);
}

body.dark-theme .card-student {
  background: var(--bg-dark-surface);
  color: var(--text-light);
}

body.dark-theme .card-teacher {
  background: var(--text-light) !important;
  color: var(--bg-dark-main) !important;
}

body.dark-theme .card-student .btn-light {
  background: #333;
  color: var(--bg-white);
}

body.dark-theme .card-teacher .btn-secondary {
  background: #ddd;
  color: var(--bg-dark-main);
  border: none;
}

.card-student,
.card-teacher {
  transition: var(--transition-fast);
}

.card-student:hover,
.card-teacher:hover {
  transform: translateY(-5px);
}

body.dark-theme .card:not(.card-teacher):not(.card-student) {
  background-color: var(--bg-dark-surface);
  color: var(--text-light);
}

/* ==================== SEÇÃO COLABORADORES (TIME) ==================== */
#collabs {
  font-family: var(--font-main);
  background: linear-gradient(180deg, var(--bg-light), #e9ecef);
  padding: 60px 0;
}

body.dark-theme #collabs {
  background: linear-gradient(180deg, var(--bg-dark-main));
  color: var(--text-light);
}

.team-card-flip {
  perspective: 1000px;
  border-radius: 15px;
  overflow: hidden;
  position: relative;
  transition: transform 0.3s ease;
}

.team-card-flip .card-front,
.team-card-flip .card-back {
  border-radius: 15px;
  padding: 30px 20px;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.6s ease;
  transform-style: preserve-3d;
  color: var(--text-dark);
  background: linear-gradient(135deg, #fdfbfb, #ebedee);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1), inset 0 0 10px rgba(0, 0, 0, 0.03);
}

body.dark-theme .team-card-flip .card-front,
body.dark-theme .team-card-flip .card-back {
  color: var(--text-light);
  background: linear-gradient(135deg, var(--bg-dark-card), var(--bg-dark-surface));
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25), inset 0 0 10px rgba(255, 255, 255, 0.02);
}

.team-card-flip:hover .card-front,
.team-card-flip:hover .card-back {
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25), inset 0 0 20px rgba(255, 255, 255, 0.05);
}

.team-card-flip .card-back {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  backface-visibility: hidden;
  transform: rotateY(180deg);
}

.team-card-flip:hover .card-front {
  transform: rotateY(180deg);
}

.team-card-flip:hover .card-back {
  transform: rotateY(0deg);
}

.team-img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid transparent;
  background-clip: border-box;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.team-card-flip:hover .team-img {
  transform: scale(1.08);
  box-shadow: 0 0 15px rgba(13, 110, 253, 0.4);
}

.team-card-flip h4 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: 10px;
  color: var(--primary-blue);
}

body.dark-theme .team-card-flip h4 {
  color: var(--accent-gold);
}

.team-card-flip h5 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 5px 0;
  color: inherit;
}

.team-card-flip p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

body.dark-theme .team-card-flip p {
  color: var(--text-light) !important;
}

.role-badge {
  display: inline-block;
  background: var(--primary-purple);
  color: var(--bg-white);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 6px;
}

body.dark-theme .role-badge {
  background: var(--primary-blue);
}

.email-link {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 12px;
  background-color: var(--primary-blue);
  color: var(--bg-white) !important;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
  transition: var(--transition-fast);
  text-decoration: none;
}

.email-link:hover {
  background-color: #0056b3;
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 20px rgba(0, 86, 179, 0.4);
}

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

/* ==================== CARD REALIDADE VIRTUAL (VR) ==================== */
.card-vr-bg {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  background: url('../img/vr-background.png') center/cover no-repeat;
  min-height: 400px;
  display: flex;
  align-items: center;
  background-attachment: fixed;
}

.card-vr-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 1;
}

.card-vr-bg .card-body {
  position: relative;
  z-index: 2;
}

.card-vr-bg h1,
.card-vr-bg p {
  color: var(--bg-white);
}

.text-bg {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 20px;
}

/* ==================== BOTÃO PLAY ==================== */
.btn-play {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 320px;
  max-width: 100%;
  padding: 14px 20px;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--bg-white);
  text-decoration: none;
  border-radius: 50px;
  border: none;
  background: var(--grad-primary);
  box-shadow: 0 5px 20px rgba(13, 110, 253, 0.4);
  transition: var(--transition-fast);
  margin: 7px 5px;
}

@media (max-width: 576px) {
  .btn-play {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .btn-play {
    width: 100%;
  }
}

.btn-play i {
  transition: transform 0.3s ease;
}

.btn-play:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 30px rgba(13, 110, 253, 0.6);
}

.btn-play:hover i {
  transform: translateX(6px);
}

.btn-play:active {
  transform: scale(0.97);
}

body.dark-theme .btn-play {
  background: var(--grad-accent);
  color: var(--bg-dark-main);
  box-shadow: 0 5px 5px rgba(255, 193, 7, 0.5);
}

/* ==================== CARDS DE TECNOLOGIA ==================== */
.card-tech {
  border-radius: 18px;
  overflow: hidden;
  background: var(--bg-white);
  position: relative;
  transition: var(--transition-med);
  color: var(--text-dark);
}

.card-tech img {
  height: 280px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card-tech .card-body {
  padding: 20px;
}

.card-tech h4 {
  font-weight: 700;
  margin-bottom: 10px;
  transition: color 0.3s ease;
}

.card-tech p {
  color: black;
  transition: color 0.3s ease;
}

.card-tech:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.card-tech:hover img {
  transform: scale(1.08);
}

.card-tech::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 18px;
  padding: 2px;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.card-tech:hover::before {
  opacity: 1;
}

body.dark-theme .card-tech {
  background: var(--bg-dark-card);
  color: var(--text-light);
}

body.dark-theme .card-tech p {
  color: #dcdcdc;
}

body.dark-theme .card-tech:hover h4,
body.dark-theme .card-tech:hover p {
  color: var(--bg-white) !important;
}

/* ==================== SEÇÃO PROGRAMAÇÃO ==================== */
#programming {
  padding-top: 3rem;
  padding-bottom: 2rem;
  font-family: var(--font-main);
  background: linear-gradient(180deg, var(--bg-light), #e9ecef);
}

body.dark-theme #programming {
  background: linear-gradient(180deg, var(--bg-dark-main), var(--bg-dark-surface));
}

#programming .card {
  border-radius: 20px;
  overflow: hidden;
  background: var(--bg-white);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  color: var(--text-dark);
  margin-bottom: 30px;
}

body.dark-theme #programming .card {
  background: var(--bg-dark-card);
  color: var(--text-light);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

#programming .card img {
  object-fit: cover;
  transition: transform 0.5s ease, box-shadow 0.5s ease;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

#programming .card:hover img {
  transform: scale(1.08);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

#programming .card-body {
  padding: 25px;
}

#programming .card-title {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 15px;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: color 0.3s ease;
}

body.dark-theme #programming .card-title {
  -webkit-text-fill-color: var(--bg-white);
}

#programming .lead-alt {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 15px;
  color: #000000;
  transition: color 0.3s ease;
}

body.dark-theme #programming .lead-alt {
  color: var(--bg-white);
}

#programming .card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

#programming .btn-light {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  border-radius: 50px;
  padding: 12px 25px;
  font-size: 1.1rem;
  background: var(--grad-primary);
  color: #000000;
  border: none;
  transition: var(--transition-med);
  text-decoration: none;
}

#programming .btn-light i {
  transition: transform 0.3s ease;
}

#programming .btn-light:hover {
  background: linear-gradient(135deg, var(--primary-purple), var(--primary-blue));
  transform: translateY(-3px) scale(1.05);
}

#programming .btn-light:hover i {
  transform: translateX(5px);
}

@media (max-width: 768px) {
  #programming .card {
    margin-bottom: 25px;
  }
}

#programming .card-content-section {
  margin-bottom: 20px;
  padding: 15px 20px;
  background: rgba(13, 110, 253, 0.05);
  border-radius: 12px;
  transition: background 0.3s ease;
}

#programming .card-content-section:hover {
  background: rgba(13, 110, 253, 0.15);
}

#programming .card-content-section h5 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-blue);
  margin-bottom: 10px;
}

body.dark-theme #programming .card-content-section {
  background: rgba(255, 215, 0, 0.05);
}

body.dark-theme #programming .card-content-section:hover {
  background: rgba(32, 28, 1, 0.15);
}

body.dark-theme #programming .card-content-section h5 {
  color: var(--accent-gold);
}

#programming .lead-alt {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-dark);
}

body.dark-theme #programming .lead-alt {
  color: var(--text-light);
}

#programming .card-content-section h5::before {
  content: "⭐";
  margin-right: 8px;
  font-size: 1.1rem;
}

body.dark-theme #programming .card-content-section h5::before {
  content: "🚀";
}

@media (max-width: 576px) {
  #programming .card-content-section {
    padding: 10px 15px;
  }
  #programming .card-title {
    font-size: 1.3rem;
  }
}

/* ==================== ANIMAÇÕES E IMAGENS GERAIS ==================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.pai-mae {
  width: 50%;
  object-fit: contain;
  border-radius: 12px 12px 0 0;
  display: block;
  margin: 0 auto;
  padding: 5px 0;
}

.mark-img {
  width: 30%;
  object-fit: contain;
  border-radius: 12px 12px 0 0;
  display: block;
  margin: 0 auto;
  padding: 5px 0;
}

/* ==================== SEÇÃO AVALIAÇÃO E MODAL ==================== */
.evaluation-section {
  padding: 60px 0;
}

.alert-evaluation {
  background: var(--grad-info);
  color: var(--bg-white);
  border-radius: 20px;
  padding: 40px 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: var(--transition-fast);
}

.alert-evaluation h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.evaluation-link {
  text-decoration: none;
  font-weight: 700;
  color: var(--accent-gold);
  transition: color 0.3s ease, transform 0.3s ease;
}

.evaluation-link:hover {
  color: var(--bg-white);
  transform: scale(1.05);
}

.modal-evaluation {
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition-fast);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.modal-evaluation .modal-header {
  background: var(--grad-primary);
  color: var(--bg-white);
  border-bottom: none;
}

.modal-evaluation .modal-title {
  font-size: 1.8rem;
  font-weight: 700;
}

.modal-evaluation .modal-body {
  background: var(--bg-light);
  color: var(--text-dark);
  font-size: 1rem;
  line-height: 1.6;
}

.evaluation-list li {
  margin-bottom: 12px;
}

.modal-evaluation .modal-footer {
  background: #f1f3f5;
  border-top: none;
}

body.dark-theme .alert-evaluation {
  background: linear-gradient(135deg, var(--primary-purple), var(--primary-blue));
  color: var(--bg-white);
}

body.dark-theme .evaluation-link {
  color: var(--accent-gold);
}

body.dark-theme .modal-evaluation .modal-body {
  background: var(--bg-dark-card);
  color: var(--text-light);
}

body.dark-theme .modal-evaluation .modal-footer {
  background: var(--bg-dark-surface);
}

body.dark-theme .modal-evaluation .modal-header {
  background: linear-gradient(135deg, var(--primary-purple), var(--primary-blue));
}

/* ==================== CALL TO ACTION (CTA) ==================== */
.cta-section {
  padding: 60px 0;
  border-radius: 20px;
  margin: 40px 0;
  transition: var(--transition-med);
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 700;
  border-radius: 50px;
  background: var(--grad-primary);
  color: var(--bg-light);
  padding: 20px 40px;
  border: none;
  text-decoration: none;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  transition: all 0.4s ease, transform 0.3s ease;
}

.btn-cta i {
  margin-left: 10px;
  transition: transform 0.3s ease;
}

.btn-cta:hover {
  transform: scale(1.05);
  box-shadow: 0 5px 20px rgba(13,110,253,0.4);
  color: var(--bg-light);
}

.btn-cta:hover i {
  transform: translateX(5px);
}

body.dark-theme .btn-cta{
  background: var(--grad-accent);
  color: var(--bg-dark-main);
}
body.dark-theme .btn-cta:hover{
  box-shadow: 0 5px 5px rgba(255, 193, 7, 0.7)
}


/* ==================== GRID LAYOUT (SSPOT) ==================== */
.sspot-text {
  grid-area: texto;
}

.sspot-image {
  grid-area: imagem;
}

.sspot-buttons {
  grid-area: botoes;
}

@media (min-width: 320px) {
  .sspot-grid-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1rem;
    grid-template-areas:
      "imagem"
      "texto"
      "botoes";
  }
  .sspot-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
}

@media (min-width: 768px) {
  .sspot-grid-container {
    grid-template-columns: 7fr 5fr;
    gap: 2.5rem;
    align-items: center;
    grid-template-areas:
      "texto imagem"
      "botoes botoes";
  }
  .sspot-buttons {
    flex-direction: row;
    justify-content: center;
    margin-top: 1rem;
  }
}

@media (min-width: 1116px) {
  .sspot-grid-container {
    grid-template-columns: 7fr 5fr;
    gap: 2.5rem;
    align-items: center;
    grid-template-areas:
      "texto imagem"
      "botoes imagem";
  }
  .sspot-buttons {
    flex-direction: row;
    justify-content: center;
    margin-top: 1rem;
  }
}

/* ==================== AJUSTES RESPONSIVOS FINAIS ==================== */
#card-teacher {
  margin-bottom: 50px;
}

@media (max-width: 768px) {
  .btn-cta {
    font-size: 1.3rem;
    padding: 16px 32px;
  }
}

@media (max-width: 576px) {
  .cta-section {
    padding: 40px 15px;
    margin: 20px 0;
  }
  .btn-cta {
    font-size: 1.2rem;
    padding: 14px 28px;
  }
}