@import url("https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,200..800&family=Space+Grotesque:wght@300..700&display=swap");

/* =========================
   #REGION VARIABLES CSS
========================= */
:root {
    /* Couleurs */
    --color-bg: oklch(22.477% 0.02971 195.296);
    --color-bg-transparent: oklch(15% 0.02971 195.296 / 0.8);
    --color-bg-card: oklch(25% 0.02971 195.296 / 0.4);

    --color-main: oklch(95.126% 0.10361 134.415);
    --color-main-border: oklch(50% 0.05 134.415 / 0.3);

    --color-accent-light: oklch(84.598% 0.10772 312.802);
    --color-accent-transparent: oklch(71.077% 0.20991 311.546 / 0.1);
    --color-accent: oklch(71.077% 0.20991 311.546);
    --color-accent-border: oklch(60% 0.13 311.546 / 0.3);

    --color-text-main: oklch(99.719% 0.00405 158.645);
    --color-text-muted: oklch(65% 0.015 160);

    /* Typographie */
    --font-heading: "Bricolage Grotesque", system-ui, sans-serif;
    --font-body: "Space Grotesque", system-ui, sans-serif;

    --font-weight-regular: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 800;

    --fs-h1: clamp(2.5rem, 10vw, 8rem);
    --fs-h2: clamp(1.75rem, 4vw, 3rem);
    --fs-h3: clamp(1.4rem, 3vw, 2.2rem);
    --fs-h4: clamp(1.2rem, 2vw, 1.6rem);
    --fs-body: clamp(1rem, 1.2vw, 1.125rem);
    --fs-small: clamp(0.85rem, 1vw, 0.95rem);

    --lh-xs: 0.6;
    --lh-tight: 0.8;
    --lh-normal: 1.5;
    --lh-relaxed: 1.7;

    /* Espacements */
    --space-2xs: 0.25rem;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 6rem;
    --space-4xl: 12rem;

    /* Bordures arrondies */
    --radius-sm: 0.4rem;
    --radius-md: 0.6rem;
    --radius-lg: 0.8rem;

    /* Transitions */
    --transition-base: all 0.3s ease;
}

/* =========================
   #REGION RESET & BASE
========================= */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
}

html.is-loading * {
    transition: none !important;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: var(--lh-normal);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    overflow-x: hidden;
}

picture {
    display: flex;
}

/* =========================
   #REGION TYPOGRAPHIE
========================= */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--lh-tight);
}

h1 {
    font-size: var(--fs-h1);
}
h2 {
    font-size: var(--fs-h2);
}
h3 {
    font-size: var(--fs-h3);
}
h4 {
    font-size: var(--fs-h4);
}

p {
    font-size: var(--fs-body);
    line-height: var(--lh-relaxed);
    color: var(--color-text-muted);
}

/* =========================
   #REGION ÉLÉMENTS UTILITY
========================= */
.button {
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-accent-light);
    color: var(--color-bg);
    font-size: var(--fs-small);
    font-weight: var(--font-weight-semibold);
    width: fit-content;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
}

.button:hover {
    transform: scale(1.02);
}

.button:active {
    transform: translateY(-4px);
}

.tag {
    color: var(--color-main);
    border: solid 2px var(--color-main-border);
    width: auto;
    border-radius: var(--radius-sm);
    padding: var(--space-2xs) var(--space-sm);
    width: fit-content;
}

.link {
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-accent-transparent);
    border-radius: var(--radius-md);
    font-size: var(--fs-small);
    width: fit-content;
    color: var(--color-accent-light);
    border: solid 1px transparent;
    transition: var(--transition-base);
}

.info {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-regular);
    font-size: var(--font-body);
    width: 100%;
    text-align: start;
}

.info strong {
    font-weight: var(--font-weight-bold);
}

.link:hover {
    border: solid 1px var(--color-accent-border);
}

.link:hover span:first-of-type {
    transform: scale(1.05);
}

a {
    color: inherit;
    text-decoration: none;
}

img,
picture {
    max-width: 100%;
    height: auto;
    display: block;
}

picture img {
    width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* =========================
   #REGION HEADER
========================= */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-xl);
    background-color: var(--color-bg);
    box-shadow: 0px 2px 4px var(--color-bg-card);
    transition: all 1s cubic-bezier(0.77, 0, 0.175, 1);
}

header.squished {
    padding: var(--space-2xs) var(--space-xl);
    background: transparent;
    box-shadow: none;
}

header.squished a {
    mix-blend-mode: overlay;
    color: white;
}

.logo {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-main);
    transition: color 1s cubic-bezier(0.77, 0, 0.175, 1);
}

nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--fs-small);
    color: var(--color-text-main);
    transition: all 2s cubic-bezier(0.77, 0, 0.175, 1);
    mix-blend-mode: difference;
}

.nav-link .material-symbols-outlined {
    font-size: 1.5rem;
}

/* =========================
   #REGION SECTIONS GLOBALES
========================= */
.spacer {
    width: 100%;
    height: calc(100vw / (16 / 9));
    scroll-snap-align: start;
}

#projects,
#about,
#contact {
    background-color: var(--color-bg-transparent);
    backdrop-filter: blur(60px) brightness(0.6);
    max-height: 100vh;
    padding: var(--space-2xl) var(--space-xl);
    scroll-snap-align: start;
}

/* =========================
   #REGION HERO
========================= */
#hero {
    position: fixed;
    left: 0;
    width: 100%;
    height: calc(100vw / (16 / 9));
    z-index: -1;
    overflow: hidden;
}

.hero-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 var(--space-xl);
    z-index: 2;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-title {
    color: var(--color-text-main);
    font-size: var(--fs-h1);
    font-weight: var(--font-weight-bold);
    letter-spacing: -4px;
    position: relative;
    z-index: 3;
    transition: opacity 2s cubic-bezier(0.77, 0, 0.175, 1);
    line-height: var(--lh-xs);
}

.hero-title.hidden {
    opacity: 0;
}

/* =========================
   #REGION PROJECTS
========================= */
#projects {
    height: auto;
    max-height: none;
}

.projects-header {
    margin-bottom: var(--space-lg);
    position: sticky;
    top: var(--space-2xl);
}

.projects-header h2 {
    color: var(--color-main);
}

/* Layout général */
.project-wrapper {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: var(--space-xl);
    align-items: flex-start;
    min-height: 80vh;
    width: 90vw;
    margin: 0 auto;
}

/* Liste des filtres */
.project-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    justify-content: flex-start;
    align-items: stretch;
    position: sticky;
    top: 35vh;
    width: 100%;
}

/* Boutons de tags */
.tag-filter-btn,
.back-btn {
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-bg-card);
    border: 2px solid var(--color-main-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: var(--space-2xs);
    font-size: var(--fs-body);
    font-weight: var(--font-weight-regular);
    cursor: pointer;
    transition: var(--transition-base);
    height: fit-content;
    list-style: none;
    width: 100%;
}

.tag-filter-btn:hover {
    transform: scale(1.02);
}

.tag-filter-btn.active {
    border-color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
    transform: translateX(4px);
    background: color-mix(
        in srgb,
        var(--color-accent) 10%,
        var(--color-bg-card)
    );
}

/* Vue grille */
.project-grid-view {
    width: 100%;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
    gap: var(--space-md);
    border: solid 1px var(--color-main-border);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    width: 100%;
}

/* Carte dans la grille */
.project-block {
    height: 200px;
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-main-border);
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-xs);
    transition: all var(--transition-base);
    cursor: pointer;
    overflow: hidden;
    align-items: start;
}

.project-block:hover {
    transform: translateY(-3px);
    border-color: var(--color-accent);
}

.project-block picture {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.project-block picture img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
    transform: scale(1.2);
}

.project-block-body {
    padding: var(--space-sm);
    padding-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-sm);
}

.project-block-title {
    font-size: var(--fs-h4);
    line-height: var(--lh-tight);
    color: var(--color-text-main);
    margin: 0;
}

/* Vue détail générale */
.project-detail-view {
    width: 80%;
    margin: 0 auto;
    animation: fadeIn 0.3s ease;
}

/* Bouton retour */
.back-btn {
    width: fit-content;
    margin-bottom: var(--space-md);
}

.back-btn:hover {
    border-color: var(--color-accent);
    transform: translateX(-3px);
}

/* Carte détail */
.project-detail-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-main-border);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    align-items: flex-start;
}

/* Vidéo */
.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-sm);
}

.video-wrapper iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Colonne contenu */
.project-detail-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.project-detail-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.project-detail-header h3 {
    font-size: var(--fs-h2);
    color: var(--color-text-main);
    margin: 0;
}

/* Tags dans le détail */
.project-detail-body .project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2xs);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2xs);
}

/* Description */
.project-detail-body p {
    font-size: var(--fs-body);
    line-height: var(--lh-relaxed);
    color: var(--color-text-muted);
}

/* Dans votre fichier CSS */
.project-detail-card .image-wrapper {
    width: 100%;
    max-width: 800px;
    margin: 0 auto 2rem;
}

.project-detail-card .image-wrapper picture,
.project-detail-card .image-wrapper img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.project-detail-card .video-wrapper {
    /* Vos styles existants pour la vidéo */
    width: 100%;
    max-width: 800px;
    margin: 0 auto 2rem;
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
}

.project-detail-card .video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* =========================
   #REGION ABOUT
========================= */
#about {
    height: 100vh;
}

#about h2 {
    margin-bottom: var(--space-xl);
    color: var(--color-main);
}

.about-grid {
    max-width: 80vw;
    margin: 0 auto;
    display: grid;
    gap: var(--space-lg);
    border: solid 1px var(--color-main-border);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
}

.about-block {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-main-border);
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
    display: grid;
    grid-template-columns: minmax(200px, 280px) 1fr;
    gap: var(--space-md);
    align-items: center;
}

.about-block picture {
    width: 100%;
    max-width: 280px;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-block picture img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.about-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
    padding: var(--space-lg);
    gap: var(--space-sm);
}

.about-content p {
    text-align: start;
}

.about-content h3 {
    font-size: var(--fs-h2);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-main);
    margin-bottom: var(--space-xs);
}

.social-links {
    display: flex;
    flex-direction: row;
    gap: var(--space-md);
    justify-content: center;
}

.social-link .material-symbols-outlined {
    font-size: 1.2rem;
}

/* =========================
   #REGION CONTACT
========================= */
#contact {
    scroll-snap-align: end;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

#contact h2 {
    text-align: start;
    color: var(--color-main);
    margin-bottom: var(--space-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    border: solid 2px var(--color-main-border);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    width: 40vw;
    margin: auto;
}

.contact-form input:not([type="checkbox"]),
.contact-form textarea {
    width: 100%;
    padding: var(--space-md);
    font-family: var(--font-body);
    font-size: var(--fs-body);
    color: var(--color-text-main);
    border: solid 2px var(--color-main-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-card);
    caret-color: var(--color-main);
}

input::placeholder,
textarea::placeholder {
    color: var(--color-text-muted);
}

.contact-form textarea {
    resize: vertical;
}

.form-buttons {
    display: grid;
    grid-auto-flow: column;
    gap: var(--space-sm);
    align-items: start;
    padding: 0 var(--space-2xs);
}

.form-buttons p {
    font-size: var(--fs-small);
    color: var(--color-text-muted);
}

input[type="checkbox"] {
    margin-top: var(--space-2xs);
    appearance: none;
    width: 26px;
    height: 26px;
    border: 2px solid var(--color-text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    overflow: hidden;
}

input[type="checkbox"]:checked {
    border-color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

input[type="checkbox"]::after {
    content: "";
    display: block;
    transform: translateY(-20px);
    transition: var(--transition-base);
}

input[type="checkbox"]:checked::after {
    content: "✓";
    color: var(--color-accent-light);
    font-size: var(--fs-body);
    position: relative;
    transform: translateY(0);
}

/* =========================
   #REGION FOOTER
========================= */
footer {
    position: sticky;
    top: 0;
    scroll-snap-align: end;
    padding: var(--space-sm) var(--space-sm);
    background: var(--color-bg-transparent);
    backdrop-filter: blur(60px) brightness(0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 20vh;
    gap: var(--space-xs);
}

footer a {
    color: var(--color-accent-light);
}

footer a:hover {
    text-decoration: underline;
}

/* =========================
   #REGION RESPONSIVE - UNIFIÉ & CORRIGÉ
========================= */

/* Tablette (1024px) */
@media (max-width: 1024px) {
    :root {
        --space-xl: 2rem;
        --space-2xl: 4rem;
    }

    h3 {
        line-height: var(--lh-normal);
    }

    header {
        padding: var(--space-sm) var(--space-lg);
    }

    .hero-title {
        font-size: clamp(2rem, 25vw, 12rem);
    }

    .project-wrapper {
        grid-template-columns: 150px 1fr;
        width: 90vw;
        gap: var(--space-lg);
    }

    .project-list {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        position: static;
    }

    .tag-filter-btn {
        width: auto;
        min-width: 90px;
    }

    .project-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }

    .project-block {
        grid-template-columns: 1fr;
    }

    .project-block picture {
        height: 200px;
    }

    .project-detail-card {
        grid-template-columns: 1fr;
        padding: var(--space-lg);
        gap: var(--space-lg);
        justify-items: center;
    }

    .video-wrapper {
        max-width: 100%;
    }

    .project-detail-body {
        width: 100%;
    }

    .about-grid {
        max-width: 90vw;
    }

    .about-block {
        grid-template-columns: minmax(180px, 240px) 1fr;
    }

    .about-block picture {
        max-width: 200px;
        max-height: 200px;
    }

    .contact-form {
        width: 60vw;
    }
}

/* Mobile (768px) */
@media (max-width: 768px) {
    :root {
        --space-lg: 1.5rem;
        --space-xl: 1.5rem;
        --space-2xl: 3rem;
    }

    html {
        scroll-snap-type: none;
    }

    header {
        padding: var(--space-sm) var(--space-md);
    }

    nav {
        gap: var(--space-md);
    }

    .nav-link span:first-child {
        display: none;
    }

    .hero-container {
        padding: 0 var(--space-md);
        justify-content: center;
        text-align: center;
    }

    #projects,
    #about,
    #contact {
        padding: var(--space-2xl) var(--space-md);
        height: fit-content;
        max-height: none;
    }

    #projects h2,
    #about h2,
    #contact h2 {
        text-align: center;
        padding: var(--space-xs);
    }

    .projects-header {
        margin-bottom: none;
        top: 0px;
        position: relative;
    }

    .project-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        width: 100%;
        height: auto;
    }

    .project-list {
        flex-direction: row;
        flex-wrap: wrap;
        overflow-x: auto;
        overflow-y: hidden;
        width: 100%;
        height: fit-content;
        padding: var(--space-xs);
        gap: var(--space-sm);
        margin: 0;
        justify-content: flex-start;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }

    .project-list::-webkit-scrollbar {
        height: 4px;
    }

    .project-list::-webkit-scrollbar-thumb {
        background: var(--color-main-border);
        border-radius: var(--radius-sm);
    }

    .tag-filter-btn {
        width: auto;
        min-width: 120px;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .tag-filter-btn.active {
        transform: translateY(-2px);
    }

    .project-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .project-block {
        display: flex;
        flex-direction: row-reverse;
        height: auto;
        min-height: auto;
        position: relative;
        overflow: hidden;
    }

    .project-block picture {
        width: 100%;
        height: 100%;
        max-height: 250px;
        flex: 0 0 50%;
    }

    .project-block picture img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .project-block-body {
        position: relative;
        z-index: 2;
        padding: var(--space-lg);
        height: 100%;
        width: 100%;
        max-width: 100%;
        grid-column: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
        overflow: hidden;
    }

    .about-grid {
        max-width: 100%;
        padding: var(--space-md);
        gap: var(--space-md);
    }

    .about-block {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        padding: var(--space-md);
    }

    .about-block picture {
        max-width: 180px;
        max-height: 180px;
        margin: 0 auto var(--space-sm);
    }

    .contact-form {
        width: 100%;
        padding: var(--space-md);
    }

    .form-buttons {
        grid-auto-flow: row;
        gap: var(--space-md);
    }

    input[type="checkbox"] {
        justify-self: start;
    }
}

/* Petit mobile (480px) */
@media (max-width: 480px) {
    :root {
        --space-md: 0.75rem;
        --space-lg: 1rem;
        --space-xl: 1.25rem;
    }

    header {
        padding: var(--space-sm) var(--space-sm);
    }

    .logo {
        font-size: var(--fs-small);
    }

    nav {
        gap: var(--space-sm);
    }

    .nav-link .material-symbols-outlined {
        font-size: 1.25rem;
    }

    .button {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.8rem;
    }

    .link {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.8rem;
    }

    .hero-title {
        font-size: clamp(1.5rem, 10vw, 8rem);
    }

    #projects,
    #about,
    #contact {
        padding: var(--space-xl) var(--space-sm);
        height: fit-content;
    }

    #hero,
    .spacer {
        margin-top: var(--space-xl);
    }

    .tag-filter-btn {
        min-width: 100px;
        padding: var(--space-xs) var(--space-sm);
        font-size: var(--fs-small);
    }

    .project-block-body {
        padding: var(--space-md);
        min-height: 120px;
        max-width: 100%;
    }

    .project-block-title {
        font-size: var(--fs-body);
    }

    .about-grid {
        padding: var(--space-sm);
    }

    .about-block {
        padding: var(--space-sm);
    }

    .about-block picture {
        max-width: 150px;
        max-height: 150px;
        margin: 0 auto var(--space-xs);
    }

    .about-content {
        padding: var(--space-sm);
        text-align: center;
    }

    .social-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .contact-form {
        padding: var(--space-sm);
    }
}

/* Accessibilité */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}

/* Vidéo YouTube */
.youtubeVideo {
    opacity: 0;
    pointer-events: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
}

.youtubeVideo.is-active {
    opacity: 1;
    pointer-events: auto;
}

/* Animation fadeIn */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}