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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

a {
    text-decoration: none;
    color: white;
}

li a{
    text-decoration: none;
}

.hero-section {
    background-image: url("img/bg.svg");
    background-color: #000;
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-left h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    color: #ff4444;
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-weight: bold;
}

.hero-description {
    font-size: 1rem;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.6;
}

.cta-button {
    background: transparent;
    border: 2px solid #fff;
    color: #fff;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: #fff;
    color: #1a1a1a;
}

.hero-right {
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.logo {
    font-size: 4rem;
    font-weight: bold;
    color: #ff4444;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.logo-subtitle {
    font-size: 0.9rem;
    opacity: 0.8;
    line-height: 1.4;
}

.social-icons {
    position: absolute;
    top: 30px;
    right: 30px;
    display: flex;
    gap: 15px;
    cursor: pointer;
}

.social-icons img {
    height: 2em;
    width: 2em;
}



.stats-section {
    background-color: #000;
    color: #ffffff;
    min-height: 50vh;
    display: flex;
    align-items: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    width: 100%;
    text-align: center;
}

.stat-item {
    padding: 40px 20px;
}

.stat-number {
    font-size: 4rem;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.2rem;
    color: #ffffff;
    font-weight: 500;
}

.sum {
    color: #D40000;
}

.courses-section {
    background: #fff;
    color: #333;
    min-height: 100vh;
    display: flex;
    align-items: center;
    gap: 5rem;
    margin-bottom: 5rem;
    background-size: contain;
}

.courses-section .container {
    flex-direction: column;
}

.courses-section h2 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 60px;
    color: #333;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    width: 100%;
}

.course-card {
    background: #1a1a1a;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

.course-image {
    height: 300px;
    background: linear-gradient(135deg, #333 0%, #555 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.course-image h3 {
    font-size: 1.5rem;
    text-align: center;
    padding: 20px;
}

.course-button {
    width: 100%;
    background: transparent;
    border: 2px solid #fff;
    color: #fff;
    padding: 15px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.course-button:hover {
    background: #fff;
    color: #1a1a1a;
}

.structure-section {
    background-image: url("img/teste.jpeg");
    object-fit: cover;
    background-size: cover;
    background-position: center;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.structure-content {
    text-align: center;
    width: 100%;
}

.structure-content h2 {
    font-size: 3.5rem;
    margin-bottom: 30px;
    font-weight: bold;
    color: white;
}

.structure-content p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
    font-weight: bold;
    color: white;
}

.structure-button {
    background: transparent;
    border: 2px solid #fff;
    color: #fff;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
}

.structure-button:hover {
    background: #fff;
    color: #1a1a1a;
}

.professor-section {
    background-color: #000000;
    background-image: url("img/bg.svg");
    min-height: 100vh;
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

.professor-slider {
    width: 100%;
    position: relative;
}

.professor-slides {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.professor-slide {
    display: none;
    width: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.professor-slide.active {
    display: block;
    opacity: 1;
}

.professor-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.professor-image {

    display: flex;
    justify-content: center;
    align-items: center;
}

.professor-placeholder {
    width: 300px;
    height: 400px;
    background: linear-gradient(135deg, #333 0%, #555 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;

}

.professor-card {
    background: #fff;
    color: #333;
    padding: 40px;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.professor-card h3 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: #333;
}

.professor-title {
    color: #ff4444;
    font-size: 1.1rem;
    margin-bottom: 20px;
    font-weight: bold;
}

.professor-description {
    margin-bottom: 30px;
    line-height: 1.6;
}

.professor-button {
    background: #ff4444;
    border: none;
    color: #fff;
    padding: 12px 25px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.professor-button:hover {
    background: #cc3333;
}

.imgprof {
    width: 350px;
    height: 450px;
    filter: drop-shadow(0 0 0.2rem rgba(165, 165, 165, 0.8));
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 40px;
}

.slider-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid #fff;
    color: #fff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: #fff;
    color: #1a1a1a;
}

.slider-dots {
    display: flex;
    gap: 15px;
}

.dot {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: #ff4444;
}

.dot:hover {
    background: rgba(255, 255, 255, 0.6);
}

.tips-section {
    background: #f8f8f8;
    color: #333;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.tips-section .container {
    flex-direction: column;
}

.tips-section h2 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

.tips-subtitle {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 60px;
    color: #666;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    width: 100%;
}

.tip-card {
    background: #000000;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

.tip-image {
    background-image: url("img/MANUAL.png");
    height: 35rem;
    width: 20rem;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.tip-image h3 {
    font-size: 1.5rem;
}

.tip-button {
    width: 100%;
    background: transparent;
    border: 2px solid #fff;
    color: #fff;
    padding: 15px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tip-button:hover {
    background: #fff;
    color: #666;
}

.footer {
    background: #1a1a1a;
    color: #fff;
    padding: 60px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 20px;
}

.etec-logo {
    font-size: 2rem;
    font-weight: bold;
    color: #ff4444;
}

.footer-badges {
    display: flex;
    gap: 10px;
}

.footer-badges span {
    background: #ff4444;
    color: #fff;
    padding: 5px 10px;
    border-radius: 3px;
    font-size: 0.8rem;
    font-weight: bold;
}

.footer-contact p {
    margin-bottom: 8px;
    font-size: 0.9rem;
    opacity: 0.9;
}

.footer-button {
    background: #ff4444;
    border: none;
    color: #fff;
    padding: 12px 25px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    width: fit-content;
    transition: all 0.3s ease;
}

.footer-button:hover {
    background: #cc3333;
}

.footer-right {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #fff;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 10px;
    font-size: 0.9rem;
    opacity: 0.8;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.footer-column li:hover {
    opacity: 1;
    color: #ff4444;
}
.course-image img{
    width: 100%;
    height: 100%;
    object-fit: cover;   
    display: block;
    border-radius: 8px;  
}

.course-image img.contain,
.professor-image img.contain,
.footer-logo img.contain {
    object-fit: contain;
    background-color: #000;
}


.feedbacks-section {
    width: 100%;
    background: linear-gradient(to bottom, #000000 0%, #1a1a1a 100%);   
}

.section-title {
    text-align: center;
    color: white;
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.section-subtitle{
    text-align: center;
    margin-bottom: 30px;
}

.feedbacks-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feedback {
    display: flex;
    width: 100%;
    animation: fadeIn 0.6s ease-in-out;
}

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

.feedback-left {
    justify-content: flex-start;
}

.feedback-right {
    justify-content: flex-end;
}

.feedback-card {
    background: white;
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    width: 100%;
    max-width: 800px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 5px solid #ff4444;
    
}

.feedback-right .feedback-card {
    border-left: none;
    border-right: 5px solid #ff4444;
}

.feedback-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.feedback-message {
    font-size: 1.1em;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.6;
    font-style: italic;
}

.feedback-message::before {
    content: '"';
    font-size: 1.5em;
    color: #ff4444;
    margin-right: 5px;
}

.feedback-message::after {
    content: '"';
    font-size: 1.5em;
    color: #ff4444;
    margin-left: 5px;
}

.feedback-author {
    font-size: 0.95em;
    color: #666;
    font-weight: 600;
    text-align: right;
}


@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-left h1 {
        font-size: 2rem;
    }

    .logo {
        font-size: 3rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .professor-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .professor-placeholder {
        width: 250px;
        height: 300px;
    }

    .slider-controls {
        gap: 20px;
        margin-top: 30px;
        margin-top: 0.3rem;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .tips-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .footer-right {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .structure-content h2 {
        font-size: 2.5rem;
    }

    .courses-section h2,
    .tips-section h2 {
        font-size: 2rem;
    }

    .logo img {
        width: 10rem;
        height: 10rem;
    }

    .footer-logo img {
        width: 15rem;
        height: 15rem;
    }

        .section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
    }

    .feedback {
        justify-content: center !important;
    }

    .feedback-card {
        max-width: 100%;
    }

    .feedback-right .feedback-card {
        border-left: 5px solid #ff4444;
        border-right: none;
    }

    .feedback-message {
        font-size: 1em;
    }

    .feedbacks-container {
        gap: 25px;
    }

}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-left h1 {
        font-size: 1.5rem;
    }

    .logo {
        font-size: 2.5rem;
    }

    .stat-number {
        font-size: 3rem;
    }

    .structure-content h2 {
        font-size: 2rem;
    }

    .courses-section h2,
    .tips-section h2 {
        font-size: 1.8rem;
    }

    .professor-placeholder {
        width: 200px;
        height: 250px;
    }

    .professor-card {
        padding: 30px;
    }

    .professor-card h3 {
        font-size: 1.5rem;
    }

    .slider-controls {
        gap: 15px;
        margin-top: 20px;
        margin-top: 0.3rem; 
    }

    .slider-btn {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .dot {
        width: 12px;
        height: 12px;
    }

    .logo img {
        width: 10rem;
        height: 10rem;
    }

    .footer-logo img {
        width: 15rem;
        height: 15rem;
    }

    .section-title {
        font-size: 1.5em;
    }

    .feedback-card {
        padding: 20px;
    }

    .feedback-message {
        font-size: 0.95em;
    }


}