/* General */

html {
    color: var(--dark-text);
    font-family: 'roboto', serif;
    scroll-behavior: smooth;
    overflow-x: hidden
}

body {
    background-color: var(--medium-light);
}

/* For the NewHeader : */

#header-name {
    font-size: 1.3em;
    font-weight: bold;
    margin-left: 0.1rem;
    color: var(--light);
}

header {
    background-color: #1F0A5310;
    backdrop-filter: blur(30px);
    position: absolute;
    max-height: 121px;
    min-height: 75px;
    height: 7%;
    position: fixed;
}

/* HomeSection */

#home-section {
    height: 100vh;
    background: linear-gradient(135deg, var(--primary), #1F0A53);
    display: flex;
    align-items: center;
    overflow: hidden;
}

#home-description {
    width: 100vw;
    margin: 0 4%;
    color: var(--light);
    padding: 0 5%;
}

#home-image {
    width: 60vw;
    margin-left: -8vw;
    transform: translateX(2vw);
}

#home-title {
    font-size: 3.3rem;
    line-height: 3.5rem;
}

#home-paragraph {
    margin-top: 2rem;
    font-size: 1.3rem;
    line-height: 1.4rem;
    font-weight: lighter;
}

#register-button {
    background-color: var(--primary);
    color: var(--light);
    max-width: 300px;
}

/* Nav */

#main-page-nav {
    width: 100%;
    display: flex;
    justify-content: space-evenly;
    margin-bottom: 0.4rem;
}

.navigation-link {
    font-size: 1.3em;
    font-weight: bold;
    color: var(--light);    
    text-decoration: none;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.navigation-link:last-child {
    display: none;
}

/* ROD */

#steering-rod {
    display: flex;
    flex-direction: column;
    width: calc(100% - 4rem);
    margin: 0 2rem;
    transform: translateY(calc(-30px - 1.5rem - 1.5rem)); /* - size of the corner - size of labels - padding */
}

#mid-rod {
    border-left: 6px solid;
    border-image: linear-gradient(to bottom, var(--primary), var(--light-gray)) 1;
    padding-top: 1.5rem;
}

.h-rod {
    height: 6px;
}

/* ROUNDED */

.nw-rounded, .sw-rounded, .se-rounded {
    width: 30px;
    height: 30px;
}

.nw-rounded {
    border-top-left-radius: 100%;
    background-image: radial-gradient(circle at 30px 30px, rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 0) 24px, var(--primary) 24px);
}

.sw-rounded {
    border-bottom-left-radius: 100%;
    background-image: radial-gradient(circle at 30px 0px, rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 0) 24px, #AFAFAF 24px);
}

.se-rounded {
    border-top-right-radius: 100%;
    background-image: radial-gradient(circle at 0px 30px, rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 0) 24px, #AFAFAF 24px);
}

/* TOP ROD */

#top-rod {
    display: flex;
}

#top-rod .h-rod {
    width: 100%;
    border-radius: 0 3px 3px 0;
}

/* BOTTOM ROD */

#bottom-rod {
    display: flex;
    align-items: flex-end;
}

.se-rounded {
    transform: translateY(calc(100% - 6px));
}

#bottom-rod .h-rod {
    width: 50%;
    background-color: var(--light-gray);
}

#bottom-rod a {
    color: var(--light-gray);
    transform: translate(-50%, calc(100% + 30px));

}

/* Gradient color */

#top-rod .h-rod {
    background: var(--primary);
}

/* All other main section */

.main-content-title {
    font-size: 2.5em;
    font-weight: bold;
    color: var(--primary);
}

.main-content-subtitle {
    font-size: 1.1em;
    font-weight: 500;
    color: var(--dark-text);
    max-width: 700px;
}

.dot-rod::before {
    content: "";
    display: inline-block;
    position: absolute;
    width: 12px;
    height: 12px;
    background-color: var(--medium-light);
    border: 6px solid var(--light-gray);
    border-radius: 50%;
    transform: translate(calc(-50% - 3px), 10px);
    outline: 6px solid var(--medium-light);
}
/* Sections */
.section-title {
    font-size: 2.5rem;
    color: var(--primary)
}

.section-description {
    font-size: 1.8rem;
    color: var(--dark-text);
    font-weight: 500;
}

#mid-rod section {
    margin: 1rem 0px 1rem 2rem;
}

.title-block {
    max-width: 100%;
    width: 35rem;
}

/* Fetures */

#mosaic {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 0.8rem;
    margin: 3%;
}

.feature {
    background-color: #D9D9D9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    width: 100%;
    height: 100%;
}

.feature img {
    object-fit: contain;
    flex-grow: 1;
    width: 12vw;
    max-width: 12rem;
    margin: 3vw;
}

.feature h5 {
    font-size: 1.2vw;
    color: var(--dark-text);
    margin: 0.5rem;
    text-align: center;
}

.feature:nth-child(1), .feature:nth-child(5) {
    grid-column: span 2;
    grid-row: span 1;
}

.feature:nth-child(2), .feature:nth-child(4) {
    grid-column: span 1;
    grid-row: span 1;
}

.feature:nth-child(3) {
    grid-column: span 1;
    grid-row: span 2;
}

/* Platforms */
#plarforms-container {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    margin: 2% 0;
}

#phone-part > img {
    width: 40%;
    object-fit: contain;
}

#desktop-part > img {
    width: 50%;
    max-height: 50%;
    object-fit: contain;
    position: absolute;
    right: -10%;
    transform: translateY(-100%);
}

#plarforms-container > div {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

.descriptor {
    font-size: 1.5rem;
    display: flex;
    flex-direction: column;
    color: var(--dark-text);
    margin: 1rem;
    width: 60%;
    min-width: 20rem;
}

.availables {
    font-size: 1.4rem;
    margin-top: 0.4rem;
}

.platform-ico {
    margin: 0.5rem 0;
}

.platform-ico > img {
    size: 1.5rem;
}

/* Open source */

#github-overview {
    display: flex;
    width: 80vw;
    object-fit: contain;
    margin: 2rem auto;
}

.homepage-link {
    line-height: 2rem;
    margin-right: 1rem;
    color: var(--dark-text);
}

/* Responsive for mobile */

@media screen and (max-width: 900px) {
    #home-section {
        flex-direction: column;
        justify-content: center;
    }

    #home-title {
        font-size: 2.3em;
        line-height: 44px;
    }

    #home-paragraph {
        font-size: 1.1em;
        margin-top: 0.2rem;

    }

    #home-description {
        width: 83%;
        min-width: 0;
    }

    #home-image {
        width: 110vw;
        transform: translateX(10%);
    }

    #main-page-content {
        padding: 0px 4% 0 5.3%;
    }
    
    /* Nav */
    
    .navigation-link {
        display: none;
    }

    #main-page-nav .navigation-link:last-child {
        display: flex;
        width: 100%;
    }

    #steering-rod { 
        width: calc(100% - 2rem);
        margin: 0 1rem;    
    }

    /* Features */

    /* Mosaic */

    #mosaic {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        grid-gap: 0.8rem;
    }

    #mosaic h5 {
        font-size: 3.2vw;
    }

    .feature:nth-child(1), .feature:nth-child(3) {
        grid-column: span 1;
        grid-row: span 1;
    }
    
    .feature:nth-child(2) {
        grid-column: span 1;
        grid-row: span 2;
    }
    
    .feature:nth-child(4), .feature:nth-child(5) {
        grid-column: span 2;
        grid-row: span 1;
    }

    /* Platforms */
    
    #plarforms-container {
        flex-direction: column;
    }

    .descriptor {
        font-size: 2.0rem;
        margin: auto;
        min-width: 80vw;
    }

    .availables {
        font-size: 1.8rem;
    }

    #desktop-part > img {
        position: initial;
        width: 90%;
        object-fit: contain;
        transform: translateY(0px);
    }
}