/* ############# HEADER SECTION ##############  */
#header-section {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    text-align: center;
    padding-top: 0;
    padding-bottom: 0;
    position: relative;
}

#header-section .container {
    margin-bottom: 5rem;
}

#hero-bg-video {
    position: absolute;
    left: 0;
    right: 0;
    width: 100vw;
    height: 100%;
    z-index: -1;
}

#hero-bg-video video {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

#hero-bg-video::after {
    content: "";
    width: 100vw;
    height: 100%;
    left: 0;
    right: 0;
    position: absolute;
    background-color: rgba(0, 0, 0, 0.3);
}

.header-section-top {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 3rem 0 0rem;
    max-height: 50rem;
    z-index: 100;
}

.header-title-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    min-height: 250px;
    border-radius: 15px; /* 15px rounded corners */
    transition: opacity 1s ease-in; /* fade in transition */
}

.header-title-container p,
.header-title-container h1 {
    color: var(--text-primary-light);
}

.header-title-container p {
    text-align: center;
}

.header-title {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.header-title h1 {
    margin: 10px 0;
}

.section-divider.header {
    margin-bottom: -1rem;
}

/* ############# ABOUT_APP SECTION ##############  */

#about-app-section {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 5rem;
    padding-bottom: 4rem;
}

.about-app-contents {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: start;
    gap: 1rem;
    text-align: center;
}

#about-app-section .section-title-content {
    margin-bottom: 0;
    align-items: start;
}

#about-app-section .section-title-content h2 {
    text-align: left;
}

/* ############# USE-CASES SECTION ##############  */

#use-cases-section {
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: url("../assets/images/triangle_pattern_bg.webp");
    background-size: 100vw;
    position: relative;
}

.use-cases-contents {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    text-align: center;
    max-width: 50rem;
}

#use-cases-section .section-content-container {
    margin-bottom: 0;
}

/* ############# ABOUT_US SECTION ##############  */

#about-us-section {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-us-contents {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 2rem;
}

.description {
    padding-top: .5rem;
    text-align: left;
}

.subtitle h5 {
    text-align: center;
    font-weight: 400;
    font-size: 1.4rem;
    color: var(--text-primary-dark)
}

.section-box img {
    width: 10rem;
    margin: 1rem 0 2rem;
}

/* ############## CONTACT_US SECTION */

#contact-us-section-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    overflow: hidden;
    padding-bottom: 0;
}

.contact-us-section {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding-bottom: 6rem;
    max-width: 1280px;
}

.contact-us-section-left {
    align-self: stretch;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin-bottom: 2rem;
}

.contact-us-title-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.contact-us-image-container img {
    border-radius: 1rem;
    border: .3rem #ddd solid;
    box-shadow: 0 0 .5rem .1rem #4444;
    -webkit-border-radius: 1rem;
    -moz-border-radius: 1rem;
    -ms-border-radius: 1rem;
    -o-border-radius: 1rem;
}

.section-divider.footer svg {
    margin-bottom: -2.5rem;
}

@media screen and  (min-width: 729px) {
    .about-app-contents {
        align-items: center;
    }

    .use-cases-contents {
        width: 70vw;
    }

    .container {
        width: 70vw;
    }

    .section-divider.footer svg {
        margin-bottom: -4.5rem;
        height: 4.5rem;
    }

    .divider {
        width: 70%;
        margin-bottom: 3rem;
    }
}

@media screen and  (min-width: 1080px) {
    .section-divider.header svg {
        margin-bottom: -5rem;
    }

    .container {
        width: auto;
    }

    .header-section-top {
        width: 40rem;
    }

    #about-app-section {
        padding-top: 8rem;
    }

    .about-app-contents {
        max-width: 50rem;
        flex-direction: row;
        gap: 3rem;
    }

    .about-app-contents .section-content-container {
        width: 50%;
    }

    .about-app-section-top {
        max-width: 50rem;
    }

    .section-box {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: row-reverse;
        gap: 2rem;
        margin-top: 1rem;
    }

    .section-box:nth-child(odd) {
        flex-direction: row;
    }

    .section-box_text {
        width: 70%;
    }

    .about-us-contents {
        gap: 3rem;
    }

    .section-desc {
        font-size: 1.2rem;
    }

    /* ############## CONTACT_US SECTION */
    .contact-us-section {
        flex-direction: row;
        padding: 0 0 5rem;
    }

    .contact-us-section-left {
        justify-content: flex-start;
        align-items: start;
        text-align: left;
        padding: 0 4rem;
    }

    .contact-us-title-container {
        justify-content: flex-start;
        align-items: start;
        width: 26rem;
    }

    .contact-us-title-container h4 {
        font-weight: 400;
    }

    .contact-us-image-container {
        width: 50%;
        margin-right: -15rem;
    }

    .contact-us-section-left svg {
        width: 100%;
    }

}


@media screen and  (min-width: 1920px) {
    .contact-us-image-container {
        width: 100%;
        margin-right: 0;
    }
}