body {
    margin: 0;
    padding: 0;
    /*background-color: #f3f2f4;*/
    scroll-behavior: smooth;
    background-color: #e8f5fd;
}

.header-main {
    width: 105%;
    height: 100px;
    left: -3%;
    position: absolute;
    background: #1b5b7e;
    border-radius: 0 0 50% 50%;
}

.container {
    width: 100%;
    height: 120px;
    background-color: transparent;
    position: absolute;
    overflow: hidden;
}

.header-logo-box {
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 100%;
}

.header-logo-box img {
    height: 60px;
    width: auto;
}

.header-logo-box h3 {
    color: white;
    font-size: 24px;
    margin: 0;
    text-shadow: 2px 0 #000, -2px 0 #000, 0 2px #000, 0 -2px #000,
    1px 1px #000, -1px -1px #000, 1px -1px #000, -1px 1px #000;
}

.banner-main {
    padding-top: 120px;
    width: 80%;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    gap: 40px;
    align-items: center;
    justify-content: center;
}

.banner-main img {
    width: 33.33vw;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border: none;
}

.banner-info {
    width: 33.33vw;
    aspect-ratio: 1 / 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-sizing: border-box;
}

.banner-info p {
    line-height: 1.8;
    text-align: justify;
}

.btn-footer, .show-more-btn {
    all: unset;
    background-color: #1b5b7e;
    color: #fff;
    padding: 12px 32px;
    width: fit-content;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 16px;
    transition: 0.3s;
}

.btn-footer:hover, .show-more-btn:hover {
    background-color: #689ec2;
}

.section-title {
    text-align: center;
    color: #1b5b7e;
    margin-top: 50px;
    font-size: 32px;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
}

.portfolio-section {
    position: relative;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    text-align: center;
}

.portfolio-wrapper {
    max-height: 500px;
    overflow: hidden;
    transition: max-height 0.5s ease;
    padding: 40px 0;
}

.portfolio-wrapper.expanded {
    max-height: none;
}

.portfolio-main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(610px, max-content));
    justify-content: center;
    gap: 24px;
    width: 90%;
    max-width: 1300px;
    margin: 0 auto 100px;
}

.portfolio-card {
    position: relative;
    width: 610px;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    cursor: pointer;
}

.portfolio-card img {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.portfolio-card .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.1);
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.portfolio-card .overlay p {
    color: #fff;
    font-size: 18px;
    font-weight: 500;
    text-align: center;
    padding: 0 20px;
    line-height: 1.6;
    text-shadow: 2px 0 #000, -2px 0 #000, 0 2px #000, 0 -2px #000,
    1px 1px #000, -1px -1px #000, 1px -1px #000, -1px 1px #000;
}

.portfolio-card:hover {
    z-index: 88;
}

.portfolio-card:hover img {
    transform: scale(1.1);
}

.portfolio-card:hover .overlay {
    opacity: 1;
}

.fade-box {
    position: relative;
    margin-top: -100px;
    margin-bottom: 20px;
    height: 100px;
    background: linear-gradient(to top, #e8f5fd, transparent);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 99;
}

.about-main {
    display: flex;
    flex-direction: column;
    width: 70%;
    margin: 0 auto;
    gap: 0;
}

.about-main img {
    margin-bottom: -45px;
    margin-left: -10px;
    margin-right: auto;
}

.about-main p {
    background: #cbe1ef;
    border-right: 16px;
    padding: 122px 72px 400px;
    border-radius: 18px;
    margin-top: -50px;
    margin-bottom: 0;
    text-align: justify;
    z-index: -1;
}

.about-title {
    padding: 24px 64px;
    background: #99c1da;
    border-radius: 18px;
    width: fit-content;
    margin: 0;
}

.mobiles-main {
    display: flex;
    flex-direction: row;
    gap: 40px;
    flex-wrap: wrap;
    width: fit-content;
    margin-top: -350px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 0;
}

.mobile-card-100 {
    margin-top: 100px;
}

.mobile-card-200 {
    margin-top: 200px;
}

.mobile-card {
    width: 350px;
    height: 650px;
    aspect-ratio: 9 / 16;
    border: 2px solid #333;
    border-radius: 50px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    padding: 0;
    background: #000;
}

.mobile-screen {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    align-items: center;
}

.mobile-screen img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    margin: 0;
    padding: 0;
}

.we-main {
    display: flex;
    flex-direction: row;
    gap: 40px;
    width: fit-content;
    margin-right: auto;
    margin-left: auto;
    margin-bottom: 140px;
}

.we-card {
    width: 250px;
    height: auto;
    border-radius: 16px;
    margin: 0;
    padding: 0;
    position: relative;
}

.we-class-tag {
    position: absolute;
    background: #cbe1ef;
    color: black;
    padding: 3px 12px;
    border-radius: 16px;
    right: 12px;
    top: 12px;
    margin: 0;
}

.we-class-name {
    position: absolute;
    background: #cbe1ef;
    color: black;
    padding: 3px 12px;
    border-radius: 16px;
    left: 12px;
    bottom: calc(12px + 9px);
    margin: 0;
}

.we-card img {
    width: 250px;
    height: auto;
    border-radius: 16px;
}

.footer-bord {
    width: 100%;
    height: 100px;
    margin-top: -100px;
    position: absolute;
    background: #1b5b7e;
    border-radius: 50% 50% 0 0;
    z-index: 888;
}

.logos-box {
    display: flex;
    flex-direction: row;
    justify-items: center;
    width: fit-content;
    text-align: center;
    align-items: center;
    margin-left: auto;
    margin-right: auto;
    gap: 12px;
}

.logos-box a {
    width: 50px;
    height: 50px;
}

.footer-main {
    width: 100%;
    height: 450px;
    background: #1b5b7e;
    align-items: center;
    text-align: center;
}

.footer-list {
    margin: 24px;
}

.footer-list p {
    color: #fff;
}

.footer-list p a {
    all: unset;
    color: #cbe1ef;
    cursor: pointer;
}

.footer-list p a:hover {
    color: #99c1da;
}

.qr {
    width: 180px;
    height: 180px;
    border-radius: 8px;
}

.footer-logo {
    position: relative;
    width: 100px;
    height: 100px;
    margin-top: -100px;
    z-index: 999;
}

.footer-des {
    width: 100%;
    color: #fff;
    margin-top: -10px;
    z-index: 999;
}


@media (max-width: 680px) {
    .banner-main {
        flex-direction: column;
        gap: 20px;
    }

    .banner-main img {
        margin-top: 50px;
        width: 85%;
    }

    .banner-info {
        width: 95%;
        justify-content: flex-start;
    }
    .portfolio-main {
        width: 100%;
    }
    .portfolio-card {
        width: 70%;
        margin-right: auto;
        margin-left: auto;

    }
}

@media (max-width: 1300px) {
    .mobiles-main {
        gap: 0;
    }
}

@media (max-width: 1200px) {
    .mobiles-main {
        gap: 20px;
        flex-direction: column-reverse;
    }

    .mobile-card-100 {
        display: none;
    }

    .mobile-card-200 {
        display: none;
    }
}

@media (max-width: 1000px) {
    .about-main img {
        margin-left: auto;
        margin-right: auto;
        width: 90%;
        height: auto;
        margin-bottom: 12px;
    }
    .about-main {
        width: 90%;
    }
    .about-title {
        text-align: center;
    }
    .about-main p {
        padding-right: 12px;
        padding-left: 12px;
    }
}

@media (max-width: 900px) {
    .we-main {
        flex-direction: column;
    }
}