/* =========================================
   HEADER
========================================= */

header {
    --header-color: var(--text-color);
    --header-bg-color: var(--main-color);
    width: 100vw;
    position: fixed;
    top: 0px;
    padding: 10px 20px;
    z-index: 100;
    color: var(--header-color);
    
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
    align-items: flex-start;
    pointer-events: none;

    transition: transform 600ms cubic-bezier(0.4, 0.0, 0.2, 1), color 300ms ease;
}

header.is-hidden {
    transform: translateY(-100%);
}

header.is-dark {
    --header-color: var(--main-color);
}

.header-blur {
    z-index: -10 !important;
    top: 0;
    inset: 0;
    height: 75px;
}

header a, 
header button {
    color: var(--header-color);
    transition: color 300ms ease;
}

header .dash::after {
    background-color: var(--header-color);
}

.nav-links, 
#home span {
    height: fit-content;
	display: flex;
	flex-flow: row wrap;
    pointer-events: all;
}

#home {
    display: flex;
    flex-flow: row nowrap;
}

#ts-logo {
    height: 80px;
    width: 80px;
    background-color: var(--header-color);
    mask-image: url(../images/ts_signature.svg);
    mask-size: contain;
    mask-repeat: no-repeat;
}

.nav-links {
    gap: calc(var(--pad) * 2);
}

#name-span {
    align-items: baseline;
}

.nav-links, #name-span {
    margin-top: 19px;
}

#my-name h1 {
    text-wrap: nowrap;
    font-family: Writer;
    font-style: italic;
    font-size: 1.3rem;
    line-height: 1;
    font-weight: 700;
    margin-right: var(--pad);
}

#my-skills {
    font-family: Writer;
    font-style: italic;
    font-size: .9rem;
    font-weight: 100;
}


/* =========================================
   MENU BURGER
========================================= */

.burger-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 2em;
    height: 1em;
    position: relative;
    margin-top: .7em;
    z-index: 1001;
    pointer-events: all;
}

.burger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--header-color);
    position: absolute;
    left: 0;
    transition: transform 400ms ease, opacity 400ms ease, background-color 300ms ease;
}

/* Positionnement des 3 traits du burger */
.burger-line:nth-child(1) { top: 0px; }
.burger-line:nth-child(2) { top: 50%; }
.burger-line:nth-child(3) { top: 100%; }


/* =========================================
   RESPONSIVE
========================================= */
/* Sur Tablette (moins de 1024px) : on passe à 2 colonnes */
@media (max-width: 1024px) {
    #my-skills {
        display: none;
    }
}

/* Sur Mobile (moins de 768px) : on passe à 1 colonne */
@media (max-width: 768px) {
    header {
        padding: 20px;
    }

    #ts-logo {
        height: 60px;
        width: 60px;
    }

    #name-span {
        margin-top: 10px;
    }

    .burger-btn {
        display: block;
    }

    .main-nav {
        z-index: 10;
        position: fixed;
        top: 0;
        right: 0;
        width: 100vw;
        height: 100vh;
        background-color: #ebf0ef80;
        backdrop-filter: blur(10px);
        
        display: flex;
        justify-content: flex-start;
        align-items: flex-end;
        padding-bottom: calc(var(--pad) * 10);

        transform: translateY(-100%); 
        transition: transform 500ms cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-links {
        height: auto;
        margin-top: none;
        flex-direction: column;
        align-items: center;
        gap: calc(var(--pad) * 2);
        padding-left: var(--pad);
    }

    .nav-links a {
        font-family: Formula;
        font-weight: 700;
        font-stretch: expanded;
        font-style: normal;
        font-size: 2rem; 
        text-transform: lowercase;
        text-align: center;
        white-space: nowrap;
    }

    .nav-links .dash::after {
        width: 20px;
        height: 20px;
    }

    .nav-links .dash:hover::after {
        max-width: 30px;
    }

    .main-nav.is-open {
        transform: translateX(0);
    }

    .burger-btn.is-active .burger-line:nth-child(1) {
        transform: translateY(.5em) rotate(45deg);
    }
    .burger-btn.is-active .burger-line:nth-child(2) {
        opacity: 0;
    }
    .burger-btn.is-active .burger-line:nth-child(3) {
        transform: translateY(-.5em) rotate(-45deg);
    }
}