/* ==========================================================================
   PORTFOLIO.CSS — Page portfolio (grille masonry + Lenis)
   ========================================================================== */

/* 1. BASE ---------------------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

html, body {
    background-color: #0d0d0d;
    color: #ffffff;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

img, video {
    -webkit-user-drag: none;
    user-drag: none;
    pointer-events: none;
}

body {
    padding: 100px 50px 60px 50px;
    min-height: 100vh;
}

/* 2. NAVIGATION & MENU BURGER ------------------------------------------- */
.main-navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background-color: rgba(13, 13, 13, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 999;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    color: #ffffff;
    font-weight: 900;
    font-size: 1.3rem;
    text-transform: uppercase;
    letter-spacing: 5px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    height: 100%;
}

.nav-logo img {
    height: 100%;
    max-height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-links { display: flex; gap: 30px; }

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.5;
    transition: opacity 0.3s;
    position: relative;
    padding: 5px 0;
}
.nav-links a:hover,
.nav-links a.active { opacity: 1; }

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: #ffffff;
}

/* Burger (masqué sur desktop) */
.nav-toggle { display: none; }

.nav-toggle-label {
    display: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1000;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
    display: block;
    background: #ffffff;
    height: 2px;
    width: 25px;
    border-radius: 2px;
    position: relative;
    transition: all 0.3s ease-in-out;
}

.nav-toggle-label span::before,
.nav-toggle-label span::after {
    content: '';
    position: absolute;
    left: 0;
}
.nav-toggle-label span::before { top: -7px; }
.nav-toggle-label span::after  { top: 7px; }

/* 3. HEADER & MASONRY --------------------------------------------------- */
.portfolio-header-centered {
    width: 100%;
    max-width: 2200px;
    margin: 0 auto;
    padding: 80px 0 60px 0;
    text-align: center;
}

.portfolio-header-centered h2 {
    font-size: 2.5rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.portfolio-rows-container {
    width: 100%;
    max-width: 2200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: 10px;
    gap: 70px 50px;
    align-items: start;
}

.portfolio-row {
    width: 100%;
    min-width: 0;
    display: block;
}

.portfolio-row.row-full-width { grid-column: 1 / -1; }

.portfolio-item {
    width: 100%;
    min-width: 0;
}

.image-flexible {
    width: 100%;
    height: auto;
    overflow: hidden;
    background-color: #121212;
}

.image-flexible a {
    display: block;
    line-height: 0;
}

.image-flexible img,
.image-flexible video {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    filter: grayscale(15%);
    transition: transform 0.6s ease, filter 0.6s ease;
}

.portfolio-item:hover img,
.portfolio-item:hover video {
    transform: scale(1.02);
    filter: grayscale(0%);
}

/* Projet vedette plein écran */
.image-flexible.image-hero-screen {
    height: calc(100vh - 280px);
    max-height: 650px;
    min-height: 350px;
}
.image-flexible.image-hero-screen a { height: 100%; }
.image-flexible.image-hero-screen img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    object-position: center;
}

.row-text-content { padding: 22px 0 0 0; }

.row-text-content h3 {
    font-size: 1.6rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    margin-bottom: 15px;
    line-height: 1.2;
}

.row-text-content p {
    font-size: 0.95rem;
    line-height: 1.7;
    opacity: 0.6;
    font-weight: 300;
}

/* 4. RESPONSIVE MOBILE & TABLETTE -------------------------------------- */
@media (max-width: 768px) {
    body { padding: 85px 20px 40px 20px; }

    .main-navbar { height: 70px; }

    .nav-toggle-label { display: block; }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100vw;
        height: calc(100vh - 70px);
        background-color: rgba(13, 13, 13, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.4s ease-in-out, opacity 0.4s ease-in-out, visibility 0.4s;
    }

    .nav-links a { font-size: 1.1rem; letter-spacing: 3px; }

    .nav-toggle:checked ~ .nav-links {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .nav-toggle:checked ~ .nav-toggle-label span { background: transparent; }
    .nav-toggle:checked ~ .nav-toggle-label span::before { transform: rotate(45deg);  top: 0; }
    .nav-toggle:checked ~ .nav-toggle-label span::after  { transform: rotate(-45deg); top: 0; }

    .portfolio-rows-container {
        grid-template-columns: 1fr;
        gap: 45px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .image-flexible img,
    .image-flexible video { transition: none; }
}