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

body {
    background-color: #071828; 
}

.container-app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100% !important;
    background: linear-gradient(to bottom, #020c14, #081a2b);
    color: #ffffff;
    position: relative;
    font-family: 'Poppins', sans-serif;
}

nav {
    background: transparent !important;
    height: 90px !important;
    line-height: 90px !important;
}

nav .brand-logo {
    top: 15px;
    left: 90px !important;
    display: flex !important;
}

nav .brand-logo p {
    font-size: 1.2rem;
    margin-left: 5px;
}

nav .brand-logo img {
    height: 10vh;
    max-height: 80px;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-center {
    display: flex;
    justify-content: center;
    flex: 1;
}

.nav-center ul {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-center ul li a {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
}

.sidenav {
    background-color: #102a3e;
}

.sidenav a {
    color: #ffcc80;
}

.sidenav .material-icons {
    color: #ff8f00;
}

.hero {
    display: flex;
    justify-content: center;
    height: 90vh;
    text-align: center;
    padding: 0 20px;
    position: relative;
}

.hero-description {
    margin-top: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    color: #ffffff;
    text-shadow: 2px 2px 4px #000000;
    line-height: 1.2;
}

.hero h1 span {
    color: #bf360c;
    font-weight: bold;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 50px;
    line-height: 35px !important;
    line-height: 1.5;
    width: 600px;
}

a#repository {
    padding: 15px 20px;
    font-size: 1rem;
    background: linear-gradient(45deg, #e65100, #bf360c);
    color: white;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
    border-radius: 10px;
}

a#repository:hover {
    background: linear-gradient(45deg, #ff8f00, #e65100);
}

.description {
    margin-top: 20px;
    font-size: 1rem;
    color: #fff;
    line-height: 1.5;
}

.footer-image {
    display: none;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 40vh; 
    z-index: 1; 
    filter: invert(100%); 
}

#funcionalidades {
    background: linear-gradient(to bottom, #081a2b 0%, #020c14 100%);
    padding: 100px 0;
}

.how-it-works {
    padding: 60px 20px;
    text-align: center;
    color: #ffffff;
}

.how-it-works h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #fff;
    font-weight: bold;
    text-shadow: 2px 2px 4px #000000;
}

.steps-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.step {
    flex: 1;
    min-width: 250px;
    max-width: 400px;
    padding: 50px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s, box-shadow 0.3s;
}

.step:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.step-icon {
    font-size: 3rem;
    color: #bf360c;
    margin-bottom: 20px;
}

.step h3 {
    font-size: 20px;
    color: #ffffff;
    line-height: 1;
    margin: 0;
    margin-bottom: 20px;
}

.material-icons {
    font-size: 35px;
}

.step p {
    font-size: 18px;
    color: #e0e0e0;
    line-height: 1.5;
}

.technologies-used {
    padding: 60px 20px;
    text-align: center;
    color: #ffffff;
}

.technologies-used h2 {
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #fff;
    font-weight: bold;
    text-shadow: 2px 2px 4px #000000;
}

.tech-flow {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 20px;
    text-align: left;
    max-width: 450px;
}

.tech-icon img {
    width: 60px;
    height: 60px;
}

.tech-text h3 {
    font-size: 20px;
    color: #ffffff;
    line-height: 1;
    margin: 0;
    margin-bottom: 20px;
}

.tech-text p {
    font-size: 18px;
    color: #e0e0e0;
    line-height: 1.5;
}

/* Footer */
.footer {
    background: #020c14;
    color: white;
    padding: 100px 0 20px;
    text-align: center;
    font-size: 18px;
    overflow: hidden;
}

.footer a {
    color: #f5f5f5;
    text-decoration: none;
    font-size: 30px;
    margin: 0 20px;
}

.footer a:hover {
    color: #bf360c;
}

.footer p {
    margin: 10px 0;
}

.icons-contact {
    padding: 30px 0;
}

.footer-text {
    font-size: 16px; 
    padding-top: 50px;
    font-style: italic;
}

.sidenav li>a,
.sidenav li>a>i, .sidenav li>a>[class^="mdi-"], .sidenav li>a li>a>[class*="mdi-"], .sidenav li>a>i.material-icons {
    color: #fff;
}

.sidenav li:first-child {
    margin-top: 10vh;
}

.video-container-my {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: auto;
    padding: 10px;
    margin: 0;
    padding: 0;
    overflow: hidden;
    opacity: 0; 
    transform: translateY(50px); 
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.video-container-my.visible {
    opacity: 1;
    transform: translateY(0);
}

.video {    
    width: 70vw; 
    height: auto;
    border: none;
    background: transparent; 
    clip-path: inset(0px 12px 12px 12px);
}

/* Responsividade */
@media (max-width: 768px) {

    .nav-wrapper {
        padding: 0 10px;
    }
    .video {
        width: 90vw;
    }

    .hero h1 {
        font-size: 2.9rem;
    }

    .hero p{
        width: 90vw;
    }

    .tech-flow {
        flex-direction: column;
        gap: 30px;
    }

    .tech-item {
        flex-direction: column;
        text-align: center;
    }

    .tech-icon img {
        width: 80px;
        height: 80px;
    }

    .steps-container {
        flex-direction: column;
        align-items: center;
    }

    .step {
        width: 100%;
        max-width: 100%;
    }
}

@media screen and (max-width: 992px) {
    .nav-center {
        display: none;
    }

    nav .brand-logo {
        left: 50% !important;
    }
}

@media (min-height: 900px) {
    .footer-image {
        display: block;
    }
}