:root {
    --primary-color: #0066cc;
    --secondary-color: #e6f2ff;
    --accent-color: #ff6600;
    --text-color: #333;
    --background-color: #ffffff;
    --bronze-light: #ffd7a8;
    --bronze-dark: #cd7f32;
    --silver-light: #e8e8e8;
    --silver-dark: #c0c0c0;
    --gold-light: #fff2a8;
    --gold-dark: #ffd700;
}

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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: var(--background-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: flex-start; 
}

.logo img {
    max-width: 70%;
    height: auto;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s;
}

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


@media (max-width: 768px) {
    nav {
        flex-direction: column;
        align-items: center; 
        padding: 1rem;
    }

    .logo {
        justify-content: center; 
        margin-bottom: 1rem; 
    }

    .nav-links {
        display: flex;
        flex-direction: column; 
        align-items: center;
        margin-top: 0; 
    }

    .nav-links li {
        margin: 0.5rem 0; 
    }
}

.hero {
    background-image: url('../imagens/pexels-chokniti-khongchum-1197604-2280571.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    color: var(--background-color);
    text-align: center;
    padding: 8rem 0 4rem;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

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

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--background-color);
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    transition: background-color 0.3s, transform 0.3s;
}

.btn:hover {
    background-color: #e65c00;
    transform: translateY(-3px);
}

section {
    padding: 4rem 0;
}

h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
}

.features, .exams, .models {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature, .exam, .model {
    background-color: var(--background-color);
    padding: 1.5rem;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    opacity: 0;
    transform: translateY(20px);
}

.feature:hover, .exam:hover, .model:hover {
    transform: translateY(-5px);
}

.feature h3, .exam h3, .model h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.investment {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.investment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.investment-card {
    background-color: var(--background-color);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.investment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.investment-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.investment-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
}

.investment-description {
    font-size: 1rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.investment-details {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.investment-amount {
    font-size: 1.75rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.investment-note {
    font-size: 0.875rem;
    color: var(--text-color);
    opacity: 0.8;
}

@media (max-width: 768px) {
    .investment-grid {
        grid-template-columns: 1fr;
    }
}

.cta {
    text-align: center;
    background-color: var(--primary-color);
    color: var(--background-color);
    padding: 2rem 0;
}

.cta a{
    margin: 20px;
}

footer {
    background-color: #333;
    color: var(--background-color);
    text-align: center;
    padding: 1rem 0;
}

.animate {
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.intro {
    background-color: var(--secondary-color);
    padding: 4rem 0;
}

.intro-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.intro-text h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.intro-text p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
}

.intro-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

@media (min-width: 768px) {
    .intro-content {
        flex-direction: row;
        align-items: center;
    }

    .intro-text {
        flex: 1;
        padding-right: 2rem;
    }

    .intro-image {
        flex: 1;
    }
}

#modelos{
    background-color: var(--secondary-color);
}
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.model-card {
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.bronze {
    background: linear-gradient(135deg, var(--bronze-light), var(--bronze-dark));
}

.silver {
    background: linear-gradient(135deg, var(--silver-light), var(--silver-dark));
}

.gold {
    background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
}

.icon-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 4rem;
    height: 4rem;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    margin: 1.5rem auto;
}

.medal-icon {
    width: 2rem;
    height: 2rem;
    color: white;
}

.model-title {
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
    color: white;
}

.model-description {
    text-align: center;
    padding: 0 1.5rem 1.5rem;
    color: white;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .intro p {
        font-size: 1rem;
    }
    .models-grid {
        grid-template-columns: 1fr;
    }
}

.exames-section {
    padding: 4rem 0;
}

.exams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.exam-card {
    background-color: var(--background-color);
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.exam-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.exam-card .icon-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 4rem;
    height: 4rem;
    background-color: var(--primary-color);
    border-radius: 50%;
    margin: 0 auto 1rem;
}

.exam-card .exam-icon {
    width: 2rem;
    height: 2rem;
    color: var(--background-color);
}

.exam-card .exam-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 0.5rem;
}

.exam-card .exam-description {
    font-size: 0.9rem;
    color: var(--text-color);
    text-align: center;
}

@media (max-width: 768px) {
    .exams-grid {
        grid-template-columns: 1fr;
    }
}

.sobre-section {
    background-color: var(--background-color);
    padding: 4rem 0;
    overflow: hidden;
}

.features-slider {
    display: flex;
    transition: transform 0.5s ease;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.feature-card {
    background-color: var(--secondary-color);
    border-radius: 1rem;
    padding: 1.5rem; 
    margin-right: 1rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    flex: 0 0 100%;
    box-sizing: border-box;
}

.feature-card:hover, .feature-card:focus {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    background-color: var(--primary-color);
    width: 3.5rem; 
    height: 3.5rem;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
}

.feature-svg {
    width: 1.8rem;
    height: 1.8rem;
    color: var(--background-color);
}

.feature-title {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-description {
    font-size: 0.95rem; 
    color: var(--text-color);
    line-height: 1.5;
}

@media (max-width: 480px) {
    .feature-card {
        flex: 0 0 100%; 
        padding: 1.2rem; 
    }

    .feature-title {
        font-size: 1.2rem; 
    }

    .feature-description {
        font-size: 0.85rem; 
    }
}

@media (min-width: 481px) and (max-width: 767px) {
    .feature-card {
        flex: 0 0 calc(50% - 1rem);
    }

    .feature-title {
        font-size: 1.3rem;
    }

    .feature-description {
        font-size: 0.95rem;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .feature-card {
        flex: 0 0 calc(33.333% - 1.5rem);
    }

    .feature-title {
        font-size: 1.5rem;
    }

    .feature-description {
        font-size: 1rem;
    }
}

@media (min-width: 1024px) {
    .feature-card {
        flex: 0 0 calc(25% - 1.5rem);
    }

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

    .feature-description {
        font-size: 1.1rem;
    }
}


.slider-controls {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.prev-btn, .next-btn {
    background-color: var(--primary-color);
    color: var(--background-color);
    border: none;
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    font-size: 1.5rem;
    cursor: pointer;
    margin: 0 0.5rem;
    transition: background-color 0.3s ease;
}

.prev-btn:hover, .next-btn:hover {
    background-color: var(--accent-color);
}

.fa-medal {
    font-size: 30px;
    color: white;
}

.fa-headset{
    font-size: 30px;
    color: white;
}

.fa-microscope{
    font-size: 30px;
    color: white;
}

.fa-arrow-up-right-dots{
    font-size: 30px;
    color: white;
}

.fa-dollar-sign{
    font-size: 30px;
    color: white;
}

.fa-venus-mars{font-size: 30px;
    color: white;
}

.fa-wheat-awn-circle-exclamation{font-size: 30px;
    color: white;
}

.fa-user-doctor{
    font-size: 30px;
    color: white;
}

.whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    text-decoration: none; 
    overflow: hidden; 
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    z-index: 1000;
}


.whatsapp-button:hover {
    transform: scale(1.1); 
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3); 
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.whatsapp-button {
    animation: pulse 2s infinite; 
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  
  @keyframes slideInFromTop {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
  }
  
  @keyframes slideInFromLeft {
    from { transform: translateX(-50px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
  }
  
  @keyframes slideInFromRight {
    from { transform: translateX(50px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
  }
  
  @keyframes zoomIn {
    from { transform: scale(0.5); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
  }
  
  @keyframes flipIn {
    from { transform: perspective(400px) rotateY(90deg); opacity: 0; }
    to { transform: perspective(400px) rotateY(0deg); opacity: 1; }
  }
  
  @keyframes slideInFromBottom {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
  }
  
  @keyframes pulseIn {
    0% { transform: scale(0.9); opacity: 0; }
    50% { transform: scale(1.05); opacity: 0.5; }
    100% { transform: scale(1); opacity: 1; }
  }
  
  @keyframes bounceIn {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-30px); }
    60% { transform: translateY(-15px); }
  }

  .additional-info-banner {
    border-top: 2px solid var(--accent-color);
    padding: 15px;
    margin-top: 20px;
    text-align: center;
}

.highlight-text {
    color: #333;
    font-size: 1rem;
}

.highlight-text strong {
    color: var(--primary-color);
    font-weight: bold;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.additional-info-banner {
    opacity: 0; /* Padrão inicial */
}