/* ==========================================================================
   dupot.org — design system
   Thème sombre "dev / gaming", sans dépendance à un framework CSS externe.
   ========================================================================== */

:root {
    --bg: #0b0f14;
    --bg-soft: #0e141b;
    --bg-elevated: #141b23;
    --bg-elevated-2: #1c2530;
    --border: #26313c;
    --border-soft: #1c2530;

    --text: #eaf0f6;
    --text-muted: #93a2b1;
    --text-faint: #64707c;

    --accent: #ff7a1a;
    --accent-strong: #ff9642;
    --accent-soft: rgba(255, 122, 26, .14);
    --accent-border: rgba(255, 122, 26, .4);

    --accent-2: #7c5cff;
    --accent-2-soft: rgba(124, 92, 255, .14);
    --accent-2-border: rgba(124, 92, 255, .4);

    --radius-s: 8px;
    --radius-m: 14px;
    --radius-l: 20px;

    --shadow-card: 0 14px 34px -18px rgba(0, 0, 0, .6);
    --shadow-accent: 0 16px 36px -16px rgba(255, 122, 26, .35);

    --font-heading: 'Space Grotesk', 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;

    color-scheme: dark;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    background-image:
        radial-gradient(700px 380px at 12% -10%, var(--accent-soft), transparent 60%),
        radial-gradient(700px 380px at 100% 0%, var(--accent-2-soft), transparent 55%);
    background-repeat: no-repeat;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.25;
    margin: 0 0 .5em 0;
    color: var(--text);
}

p {
    margin: 0 0 1em 0;
}

a {
    color: var(--accent-strong);
}

img {
    max-width: 100%;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

.main {
    min-height: 60vh;
    padding-bottom: 60px;
}

.is-justified {
    text-align: justify;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-muted);
}

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 20px;
    border-radius: var(--radius-s);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: .92rem;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
    line-height: 1;
}

.btn svg {
    width: 16px;
    height: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-strong), var(--accent));
    color: #180c02;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-ghost {
    background: var(--bg-elevated);
    border-color: var(--border);
    color: var(--text);
}

.btn-ghost:hover {
    border-color: var(--accent-border);
    color: var(--accent-strong);
    transform: translateY(-2px);
}

.btn-flat {
    background: none;
    border: none;
    color: var(--accent-strong);
    padding: 6px 0;
}

.btn-flat:hover {
    color: var(--accent);
}

/* -------------------------------------------------------------------------
   Badges / chips
   ------------------------------------------------------------------------- */

.chip {
    display: inline-flex;
    align-items: center;
    padding: 5px 13px;
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    background: var(--accent-soft);
    color: var(--accent-strong);
    border: 1px solid var(--accent-border);
}

.chip-alt {
    background: var(--accent-2-soft);
    color: #b3a2ff;
    border-color: var(--accent-2-border);
}

/* -------------------------------------------------------------------------
   Grid helpers
   ------------------------------------------------------------------------- */

.grid {
    display: grid;
    gap: 22px;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 760px) {
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* -------------------------------------------------------------------------
   Navigation
   ------------------------------------------------------------------------- */

.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 15, 20, .82);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-soft);
}

.nav-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text);
    white-space: nowrap;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 6px;
    background: var(--accent);
    color: #180c02;
    font-size: 1rem;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 26px;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: .94rem;
    position: relative;
    padding: 6px 0;
    transition: color .15s ease;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-links li.active a {
    color: var(--accent-strong);
}

.nav-links li.active a::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -3px;
    height: 2px;
    border-radius: 2px;
    background: var(--accent);
}

.nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text-muted);
    transition: color .15s ease, border-color .15s ease, transform .15s ease;
}

.nav-icon:hover {
    color: var(--accent-strong);
    border-color: var(--accent-border);
    transform: translateY(-2px);
}

.nav-icon svg,
.nav-icon img {
    width: 17px;
    height: 17px;
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-s);
    color: var(--text);
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.nav-toggle svg {
    width: 20px;
    height: 20px;
}

.nav-mobile {
    display: none;
    flex-direction: column;
    gap: 2px;
    max-width: 1120px;
    margin: 0 auto;
    padding: 6px 20px 16px 20px;
    border-top: 1px solid var(--border-soft);
}

.nav-mobile a {
    display: block;
    padding: 11px 6px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-s);
}

.nav-mobile li.active a {
    color: var(--accent-strong);
}

.nav-mobile a:hover {
    background: var(--bg-elevated);
    color: var(--text);
}

.nav-mobile ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

body.nav-open .nav-mobile {
    display: flex;
}

@media (max-width: 780px) {
    .nav-links, .nav-social {
        display: none;
    }

    .nav-toggle {
        display: inline-flex;
    }
}

/* -------------------------------------------------------------------------
   Cards
   ------------------------------------------------------------------------- */

.card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.card-link:hover {
    transform: translateY(-4px);
    border-color: var(--accent-border);
    box-shadow: var(--shadow-accent);
}

.card-image {
    text-align: center;
    padding: 22px 0 6px 0;
    background: var(--bg-elevated-2);
}

.card-image img {
    max-height: 140px;
    width: auto;
    margin: 0 auto;
    border-radius: var(--radius-s);
}

.card-body {
    padding: 18px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.08rem;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}

.card-link:hover .card-title {
    color: var(--accent-strong);
}

.card-body p {
    margin: 0;
    color: var(--text-muted);
    font-size: .93rem;
}

.card-more {
    margin-top: auto;
    padding-top: 10px;
    color: var(--accent-strong);
    font-weight: 600;
    font-size: .88rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-more svg {
    width: 14px;
    height: 14px;
    transition: transform .15s ease;
}

.card-link:hover .card-more svg {
    transform: translateX(3px);
}

.card-links {
    padding: 4px 20px 20px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.card-links img {
    height: 34px;
}

/* -------------------------------------------------------------------------
   Section title
   ------------------------------------------------------------------------- */

.section-title-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin: 44px 0 20px 0;
    flex-wrap: wrap;
}

.section-title-row h2 {
    margin: 0;
}

.section-title-row a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-strong);
    text-decoration: none;
    font-weight: 600;
    font-size: .92rem;
    white-space: nowrap;
}

.section-title-row a svg {
    width: 14px;
    height: 14px;
}

/* -------------------------------------------------------------------------
   Hero / homepage
   ------------------------------------------------------------------------- */

.hero {
    text-align: center;
    padding: 56px 0 8px 0;
}

.hero h1 {
    font-size: clamp(1.7rem, 3.4vw, 2.5rem);
    background: linear-gradient(120deg, var(--accent-strong), #b3a2ff 85%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    max-width: 760px;
    margin: 0 auto .5em auto;
}

.hero p {
    max-width: 620px;
    margin: 0 auto;
    color: var(--text-muted);
    font-size: 1.05rem;
}

.activity-grid {
    margin-top: 34px;
}

.activity-card {
    display: block;
    position: relative;
    padding: 34px 26px;
    border-radius: var(--radius-l);
    text-decoration: none;
    color: var(--text);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.activity-card:hover {
    transform: translateY(-5px);
}

.activity-card::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: .5;
    background: radial-gradient(220px 140px at 85% -10%, var(--glow, var(--accent-soft)), transparent 70%);
    pointer-events: none;
}

.activity-card.is-games {
    --glow: var(--accent-soft);
}

.activity-card.is-games:hover {
    border-color: var(--accent-border);
    box-shadow: var(--shadow-accent);
}

.activity-card.is-apps {
    --glow: var(--accent-2-soft);
}

.activity-card.is-apps:hover {
    border-color: var(--accent-2-border);
    box-shadow: 0 16px 36px -16px rgba(124, 92, 255, .35);
}

.activity-card .activity-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    margin-bottom: 16px;
    position: relative;
}

.activity-card.is-games .activity-icon {
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.activity-card.is-apps .activity-icon {
    background: var(--accent-2-soft);
    color: #b3a2ff;
}

.activity-card .activity-icon svg {
    width: 26px;
    height: 26px;
    position: relative;
}

.activity-card h3 {
    margin: 0 0 4px 0;
    position: relative;
    font-size: 1.3rem;
}

.activity-card p {
    margin: 0;
    color: var(--text-muted);
    position: relative;
}

/* -------------------------------------------------------------------------
   Project detail page
   ------------------------------------------------------------------------- */

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 18px;
    font-weight: 600;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    text-decoration: none;
    color: var(--text-muted);
}

.back-link:hover {
    color: var(--accent-strong);
}

.back-link svg {
    width: 15px;
    height: 15px;
}

.project-detail-card {
    padding: 40px 30px;
    text-align: center;
}

.project-detail-card .project-icon {
    max-height: 130px;
    margin: 0 auto 16px auto;
    border-radius: var(--radius-m);
    display: block;
}

.project-detail-card h1 {
    font-size: 1.7rem;
    margin: 14px 0 20px 0;
}

.project-body {
    text-align: justify;
    max-width: 700px;
    margin: 0 auto 26px auto;
    color: var(--text-muted);
}

.project-body h1, .project-body h2, .project-body h3 {
    text-align: left;
    color: var(--text);
    margin-top: 1.4em;
}

.project-body ul {
    text-align: left;
}

.project-body ul li {
    list-style: square;
    list-style-position: inside;
    margin-left: 8px;
}

.project-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-s);
}

.project-body pre {
    background: var(--bg-elevated-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-s);
    padding: 14px;
    overflow-x: auto;
    text-align: left;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

/* screenshot gallery (built from markdown images by js/gallery.js) */

.screenshot-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 14px;
    margin: 18px 0 30px 0;
}

.screenshot-gallery img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    margin: 0;
    border-radius: var(--radius-s);
    border: 1px solid var(--border);
    background: var(--bg-elevated-2);
    cursor: zoom-in;
    transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.screenshot-gallery img:hover {
    transform: translateY(-4px);
    border-color: var(--accent-border);
    box-shadow: var(--shadow-card);
}

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: rgba(4, 6, 9, .92);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.lightbox[hidden] {
    display: none;
}

.lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: var(--radius-m);
    box-shadow: 0 30px 70px -20px rgba(0, 0, 0, .7);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
    font-size: 1.3rem;
    line-height: 1;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    color: var(--accent-strong);
    border-color: var(--accent-border);
}

.lightbox-close {
    top: 20px;
    right: 20px;
}

.lightbox-prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

@media (max-width: 600px) {
    .screenshot-gallery img {
        height: 130px;
    }

    .lightbox-prev, .lightbox-next {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }
}

.project-links img {
    height: 40px;
}

/* -------------------------------------------------------------------------
   Simple content card (about / tutorials / policy)
   ------------------------------------------------------------------------- */

.content-card {
    padding: 28px 30px;
}

.content-card p:last-child {
    margin-bottom: 0;
}

.avatar-row {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.avatar-row img {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.avatar-row .avatar-text {
    flex: 1;
    min-width: 240px;
    color: var(--text-muted);
}

/* list rows (about: sites / participations) */

.link-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

.link-list li {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
}

.link-list img {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
}

.link-list .link-list-text {
    flex: 1;
    min-width: 0;
}

.link-list .link-list-text strong {
    display: block;
    color: var(--text);
    font-size: .98rem;
}

.link-list .link-list-text span {
    color: var(--text-muted);
    font-size: .88rem;
}

.link-list a.link-list-action {
    color: var(--accent-strong);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: .85rem;
    text-decoration: none;
    white-space: nowrap;
}

.link-list a.link-list-action svg {
    width: 14px;
    height: 14px;
}

/* article / magazine cards */

.magazine-card {
    padding: 22px 24px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.magazine-card img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    border-radius: var(--radius-s);
    background: var(--bg-elevated-2);
    padding: 8px;
    flex-shrink: 0;
}

.magazine-card .magazine-meta {
    color: var(--accent-strong);
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .03em;
    margin-bottom: 4px;
}

.magazine-card blockquote {
    margin: 10px 0 0 0;
    padding-left: 12px;
    border-left: 3px solid var(--border);
    color: var(--text-muted);
    font-style: italic;
}

.magazine-card .magazine-links {
    margin-top: 12px;
    display: flex;
    gap: 8px;
}

.magazine-card .magazine-links img {
    width: auto;
    height: 34px;
    padding: 0;
    background: none;
}

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */

.site-footer {
    border-top: 1px solid var(--border-soft);
    padding: 26px 0;
    text-align: center;
    color: var(--text-faint);
    font-size: .85rem;
}