body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    align-items: center;
    justify-content: center;  
    background-color: #f1f1f1; 
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background: #fff;
    color: #222;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
    text-align: left;

    @media (max-width: 768px) {
        text-align: center;
    }
}

header {
    background: #f9f9f9;
    border-bottom: 1px solid #eee;
    padding: 10px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .logo {
    font-weight: bold;
    font-size: 1.2em;
    padding-left: 1dvw;

    @media (max-width: 768px) {
        font-size: 4dvw;
    }
}

.nav-toggle {
    display: none;
    font-size: 1.5em;
    background: none;
    border: none;
    width: 40px;
    height: 30px;
    background: transparent;
    cursor: pointer;
    margin: 1dvw;
}

.nav-toggle input {
    display: none;
}

.nav-toggle span {
    display: block;
    position: absolute;
    height: 4px;
    width: 100%;
    background: black;
    border-radius: 9px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: .25s ease-in-out;
}

.nav-toggle span:nth-of-type(1) {
    top: 0px;
    transform-origin: left center;
}

.nav-toggle span:nth-of-type(2) {
    top: 50%;
    transform: translateY(-50%);
    transform-origin: left center;
}

.nav-toggle span:nth-of-type(3) {
    top: 100%;
    transform-origin: left center;
    transform: translateY(-100%);
}

.nav-toggle input:checked ~ span:nth-of-type(1) {
    transform: rotate(45deg);
    top: 0px;
    left: 5px;
}

.nav-toggle input:checked ~ span:nth-of-type(2) {
    width: 0%;
    opacity: 0;
}

.nav-toggle input:checked ~ span:nth-of-type(3) {
    transform: rotate(-45deg);
    top: 28px;
    left: 5px;
}

@media (max-width: 768px) {
    header .container {
        flex-wrap: wrap;
    }

  header nav {
    overflow: hidden;
    opacity: 0;
    max-height: 0;
    display: flex;
    flex-direction: column;
    width: 100%;
    background: #f9f9f9;
    margin-top: 10px;
    border-top: 1px solid #ddd;
    transition: all 0.4s ease;
  }

  header nav a {
    padding: 10px;
    border-bottom: 1px solid #eee;
  }

  .nav-toggle {
    position: absolute;
    right: 3dvw;
    display: block;
  }

  header nav.active {
    opacity: 1;
    max-height: 500px;
  }
}

header nav a {
    margin-left: 20px;
    text-decoration: none;
    color: #333;
}

@media (max-width: 768px) {
    model-viewer {
        display: none;
    }
}

.hero {
    padding: 5dvw;
    background: #eaf3ff;
}

.hero h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.hero p {
    font-size: 1.2em;
}

h2 {
    margin-top: 60px;
    margin-bottom: 20px;
    text-align: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    padding: 20px;
    border: 1px solid #b8b8b8;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.5);
    text-align: center;
}

.contact form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact input,
.contact textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 10px;
}

.contact button {
    padding: 10px;
    border: none;
    background: #1E88E5;
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
}

footer {
    margin-top: 60px;
    text-align: center;
    padding: 20px 0;
    background: #f9f9f9;
    border-top: 1px solid #eee;
}

.cardcontainer {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    max-width: 100dvw;
    box-sizing: border-box;
}

.cardcontainer .slidecard .frontcard {
    border-radius: 10px;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #2c73df;
}

.cardcontainer .slidecard .frontcard .fa {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 80px;
    color: #fff;
}

.cardcontainer .slidecard .slide {
    width: 300px;
    height: 200px;
    transition: 0.5s;
}

.cardcontainer .slidecard .slide.slide1 {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
    transition: .7s;
    transform: translateY(100px);
}

.cardcontainer .slidecard:hover .slide.slide1{
    transform: translateY(0px);
}

.cardcontainer .slidecard .slide.slide2 {
    border-radius: 10px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
    transition: .8s;
    transform: translateY(-100px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.cardcontainer .slidecard:hover .slide.slide2{
    transform: translateY(0);
}

.cardcontainer .slidecard .slide.slide2::after{
    content: "";
    position: absolute;
    width: 40px;
    height: 5px;
    bottom: 15px;
    left: 50%;
    left: 50%;
    transform: translateX(-50%);
    background: #2c73df;
    border-radius: 30px;
}

.cardcontainer .slidecard .slide.slide2 .content p {
    margin: 0;
    padding: 0;
    text-align: center;
    color: #414141;
}

.cardcontainer .slidecard .slide.slide2 .content h3 {
    margin: 0 0 10px 0;
    padding: 0;
    font-size: 24px;
    text-align: center;
    color: #414141;
}

@media (min-width: 768px) {
    .cardcontainer .slidecard {
        transition: 400ms;
    }

    .cardcontainer .slidecard:hover {
        transform: scale(1.1, 1.1);
    }

    .cardcontainer:hover > .slidecard:not(:hover) {
        filter: blur(5px);
        transform: scale(0.9, 0.9);
    }
}

.button {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 25px;
    background: #1E88E5;
    border-radius: 5px;
    text-decoration: none;
    text-decoration: none;
    position: relative;
    border: none;
    color: #fff;
    cursor: pointer;
    transition: all 0.2s ease;
}

.button:active {
    transform: scale(0.96);
}

.button:before,
.button:after {
    position: absolute;
    content: "";
    width: 150%;
    left: 50%;
    height: 100%;
    transform: translateX(-50%);
    z-index: -1000;
    background-repeat: no-repeat;
}

.button:hover:before {
    top: -70%;
    background-image: radial-gradient(circle, #1E88E5 20%, transparent 20%),
        radial-gradient(circle, transparent 20%, #1E88E5 20%, transparent 30%),
        radial-gradient(circle, #1E88E5 20%, transparent 20%),
        radial-gradient(circle, #1E88E5 20%, transparent 20%),
        radial-gradient(circle, transparent 10%, #1E88E5 15%, transparent 20%),
        radial-gradient(circle, #1E88E5 20%, transparent 20%),
        radial-gradient(circle, #1E88E5 20%, transparent 20%),
        radial-gradient(circle, #1E88E5 20%, transparent 20%),
        radial-gradient(circle, #1E88E5 20%, transparent 20%);
    background-size: 10% 10%, 20% 20%, 15% 15%, 20% 20%, 18% 18%, 10% 10%, 15% 15%,
        10% 10%, 18% 18%;
    background-position: 50% 120%;
    animation: greentopBubbles 0.6s ease;
}

@keyframes greentopBubbles {
    0% {
        background-position: 5% 90%, 10% 90%, 10% 90%, 15% 90%, 25% 90%, 25% 90%,
        40% 90%, 55% 90%, 70% 90%;
    }

    50% {
        background-position: 0% 80%, 0% 20%, 10% 40%, 20% 0%, 30% 30%, 22% 50%,
        50% 50%, 65% 20%, 90% 30%;
    }

    100% {
        background-position: 0% 70%, 0% 10%, 10% 30%, 20% -10%, 30% 20%, 22% 40%,
        50% 40%, 65% 10%, 90% 20%;
        background-size: 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%;
    }
}

.button:hover::after {
    bottom: -70%;
    background-image: radial-gradient(circle, #1E88E5 20%, transparent 20%),
        radial-gradient(circle, #1E88E5 20%, transparent 20%),
        radial-gradient(circle, transparent 10%, #1E88E5 15%, transparent 20%),
        radial-gradient(circle, #1E88E5 20%, transparent 20%),
        radial-gradient(circle, #1E88E5 20%, transparent 20%),
        radial-gradient(circle, #1E88E5 20%, transparent 20%),
        radial-gradient(circle, #1E88E5 20%, transparent 20%);
    background-size: 15% 15%, 20% 20%, 18% 18%, 20% 20%, 15% 15%, 20% 20%, 18% 18%;
    background-position: 50% 0%;
    animation: greenbottomBubbles 0.6s ease;
}

@keyframes greenbottomBubbles {
    0% {
        background-position: 10% -10%, 30% 10%, 55% -10%, 70% -10%, 85% -10%,
        70% -10%, 70% 0%;
    }

    50% {
        background-position: 0% 80%, 20% 80%, 45% 60%, 60% 100%, 75% 70%, 95% 60%,
        105% 0%;
    }

    100% {
        background-position: 0% 90%, 20% 90%, 45% 70%, 60% 110%, 75% 80%, 95% 70%,
        110% 10%;
        background-size: 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%;
    }
}