:root {
    --sand: #f2e5d5;
    --sand-dark: #d6c3ac;
    --stone: #1b1b1b;
    --charcoal: #2a2520;
    --accent: #e0b054;
    --accent-light: rgba(224, 176, 84, 0.25);
    --accent-strong: #ffde9a;
    --text: #2c220f;
    --text-soft: rgba(44, 34, 15, 0.72);
    --shadow-soft: 0 20px 40px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 35px 65px rgba(0, 0, 0, 0.16);
    --radius-large: 32px;
    --radius-card: 24px;
    --radius-chip: 999px;
    --transition: cubic-bezier(.23,1,.32,1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Space Grotesk", "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #fdf8f1 0%, #f0e0c8 45%, #f5edd6 100%);
    color: var(--text);
}

.has-fixed-header {
    padding-top: var(--header-height, 72px);
}

.top-border {
    height: 6px;
    background: linear-gradient(90deg, #b07d2b, #f1d39b, #b07d2b);
}

.site-header{
    /* fond rendu via ::before pour contrôler l'opacité sans affecter le contenu */
    background: transparent;
    color: #fff;
    font-family: 'Rockwell', 'Rockwell Std', 'Rockwell Nova', 'Serifa', Georgia, 'Times New Roman', serif;
    position: fixed; /* toujours visible */
    top: 0; left: 0; right: 0;
    z-index: 7000;
}

.site-header::before{
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.73; /* 73% */
    background-color: #9b866b;
    background-image: linear-gradient(90deg, #9b866b, #a79070, #9b866b);
    background-size: 200% 100%;
    animation: headerGradient 12s ease-in-out infinite;
}

/* Espace réservé pour ne pas masquer le contenu sous le header fixé */
body.has-fixed-header{ padding-top: var(--header-height, 72px); }

.site-header .header-inner{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 24px;
    padding-right: 56px;
    position: relative;
    z-index: 1; /* au-dessus du ::before */
}

.brand{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    text-decoration: none;
}

.brand-logo{
    height: 70px;
    width: auto;
    transition: transform 200ms ease;
}

.brand-text{
    font-weight: 700;
    letter-spacing: 1px;
}

.brand:hover .brand-logo{
    transform: scale(1.06) rotate(-2deg);
}

/* Click animation on logo */
.brand-logo.is-clicking{
    animation: logoClick 650ms ease both;
}

@keyframes logoClick{
    0%{ transform: scale(1) rotate(0); filter: brightness(1); }
    20%{ transform: scale(1.12) rotate(-6deg); filter: brightness(1.1); }
    45%{ transform: scale(0.96) rotate(3deg); }
    70%{ transform: scale(1.06) rotate(-2deg); }
    100%{ transform: scale(1) rotate(0); filter: brightness(1); }
}

.main-nav{
    display: inline-flex;
    align-items: center;
    gap: 25px;
}

.nav-link{
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    font-size: 20px;
    position: relative;
    transition: color 180ms ease, transform 180ms ease;
}

.nav-link:hover{
    color: #ffd38a;
    transform: translateY(-1px);
}

.nav-link.active{
    color: #d8a35b;
}

/* Lien Photos mis en avant en rouge */
.nav-link.photos-link{
    color: #ff4040 !important;
    font-weight: 800;
    text-shadow: 0 0 10px rgba(255,64,64,0.8);
    animation: pulse-red 2s ease-in-out infinite;
}

.nav-link.photos-link:hover{
    color: #ff7070 !important;
    text-shadow: 0 0 15px rgba(255,64,64,1);
}

@keyframes pulse-red {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.9; }
}

.sep{
    color: #e7d9c7;
    opacity: 0.8;
}

/* Hide mobile-only close button on desktop */
.nav-close{ display: none; }

/* Burger button */
.menu-toggle{
    display: none;
    background: transparent;
    border: 0;
    padding: 8px;
    cursor: pointer;
}
.menu-toggle .bar{
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    margin: 5px 0;
    transition: transform 260ms ease, opacity 260ms ease;
}

/* Responsive nav */
@media (max-width: 880px){
    .menu-toggle{ display: inline-block; }
    /* Backdrop clickable */
    .nav-backdrop{
        position: fixed; ; z-index: 8999;
        background: rgba(0,0,0,0.35);
        opacity: 0; visibility: hidden;
        transition: opacity 420ms ease, visibility 0s linear 420ms;
    }
    body.nav-open .nav-backdrop{ opacity: 1; visibility: visible; transition: opacity 420ms ease; }

    /* Side drawer */
    .main-nav{
        position: fixed; top: 0; right: 0; bottom: 0; z-index: 9999;
        width: clamp(280px, 82vw, 520px);
        /* Ancient papyrus look */
        background-color: #efe2bf;
        background-image:
          /* fiber streaks */
          repeating-linear-gradient(0deg, rgba(100,69,15,0.06) 0 2px, transparent 3px 14px),
          /* horizontal aging lines */
          repeating-linear-gradient(90deg, rgba(100,69,15,0.045) 0 1px, transparent 2px 10px),
          /* edge burn */
          radial-gradient(1200px 400px at 100% 0%, rgba(0,0,0,0.08), transparent 65%),
          linear-gradient(90deg, rgba(165,141,99,0.22), rgba(199,170,120,0.18));
        box-shadow: -24px 0 36px rgba(0,0,0,0.35), inset 0 0 18px rgba(82,58,20,0.25);
        border-left: 3px solid rgba(120,90,40,0.45);
        visibility: hidden; opacity: 0;
        transform: translateX(100%);
        transition: transform 420ms cubic-bezier(.22,.61,.36,1), opacity 420ms ease, visibility 0s linear 420ms;
        display: flex; flex-direction: column; align-items: flex-start;
        gap: 18px;
        padding: calc(16px + env(safe-area-inset-top)) 22px 28px 22px;
        -webkit-overflow-scrolling: touch; overflow-y: auto;
        pointer-events: none;
    }
    /* Decorative side motif (columns) */
    .main-nav::before{
        content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 14px;
        background:
          repeating-linear-gradient(0deg, rgba(92,67,28,0.3) 0 8px, transparent 8px 16px);
        opacity: 0.4;
    }
    .header-inner{ position: relative; }
    .sep{ display: none; }
    .nav-link{ font-size: 18px; padding: 6px 2px; }

    /* Close button inside drawer */
    .nav-close{
        align-self: flex-end; margin: 4px 0 8px 0; border: 0; background: transparent; color: #4b3b22;
        font-size: 28px; line-height: 1; cursor: pointer; padding: 6px; border-radius: 6px;
        transition: transform 160ms ease;
    }
    .nav-close:active{ transform: scale(0.95); }

    /* Egyptian-style links inside drawer */
    .main-nav .nav-link{
        font-family: 'Caesar Dressing', cursive;
        color: #3f2f18;
        letter-spacing: 1.5px;
        text-transform: uppercase;
        padding: 6px 10px;
        border-radius: 6px;
        position: relative;
    }
    .main-nav .nav-link:hover{
        color: #654416;
        background: linear-gradient(180deg, rgba(240,218,160,0.65), rgba(233,205,140,0.55));
        box-shadow: inset 0 0 0 2px rgba(128,96,40,0.35), 0 2px 0 rgba(0,0,0,0.08);
    }
    /* Lien Photos en rouge dans le menu mobile */
    .main-nav .nav-link.photos-link{
        color: #ff4040 !important;
        font-weight: 800;
        text-shadow: 0 0 8px rgba(255,64,64,0.6);
    }
    .main-nav .nav-link.photos-link:hover{
        color: #ff7070 !important;
        background: linear-gradient(180deg, rgba(255,200,200,0.65), rgba(255,180,180,0.55));
    }
    /* small cartouche ornament */
    .main-nav .nav-link::before{
        content: ""; position: absolute; left: -12px; top: 50%; width: 8px; height: 8px; transform: translateY(-50%);
        background: radial-gradient(circle at 30% 30%, #caa253 0 40%, #8a6a2e 41% 100%);
        border-radius: 50%; box-shadow: 0 0 0 1px rgba(80,60,20,0.4);
    }

    /* link reveal animation (stagger) */
    .main-nav .nav-link{ opacity: 0; transform: translateY(-6px); transition: transform 300ms ease, opacity 300ms ease; }
    .main-nav .nav-link:nth-of-type(1){ transition-delay: 100ms; }
    .main-nav .nav-link:nth-of-type(2){ transition-delay: 150ms; }
    .main-nav .nav-link:nth-of-type(3){ transition-delay: 200ms; }
    .main-nav .nav-link:nth-of-type(4){ transition-delay: 250ms; }

    /* open state */
    body.nav-open .main-nav{
        visibility: visible; opacity: 1;
        transform: translateX(0);
        transition: transform 460ms cubic-bezier(.22,.61,.36,1), opacity 420ms ease;
        pointer-events: auto; display: flex;
    }
    
    /* lock scroll on body when menu open */
    body.nav-open{ overflow: hidden; }
    body.nav-open .main-nav .nav-link{ opacity: 1; transform: translateY(0); }

    /* animate burger to X */
    body.nav-open .menu-toggle .bar:nth-child(1){ transform: translateY(7px) rotate(45deg); }
    body.nav-open .menu-toggle .bar:nth-child(2){ opacity: 0; }
    body.nav-open .menu-toggle .bar:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
}

/* Animated underline for links */
.nav-link::after{
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -6px;
    height: 2px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 200ms ease;
}

.nav-link:hover::after, .nav-link.active::after{
    transform: scaleX(1);
}

/* Subtle animated gradient */
@keyframes headerGradient{
    0%{ background-position: 0% 50%; }
    50%{ background-position: 100% 50%; }
    100%{ background-position: 0% 50%; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce){
    .site-header{ animation: none; }
    .brand-logo, .nav-link{ transition: none; }
}

.hero {
    max-width: 1200px;
    margin: 48px auto 24px;
    padding: 32px 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    align-items: stretch;
}

.hero-inner {
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-large);
    padding: 48px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(176, 125, 43, 0.12);
}

.hero-panel {
    display: grid;
    gap: 16px;
}

.stat-card {
    background: rgba(27, 27, 27, 0.9);
    color: #fff7e4;
    border-radius: var(--radius-large);
    padding: 32px;
    box-shadow: var(--shadow-soft);
}

.stat-label {
    font-size: .9rem;
    text-transform: uppercase;
    letter-spacing: .2em;
    color: rgba(255, 255, 255, 0.65);
}

.stat-value {
    display: block;
    font-size: 3rem;
    margin: 12px 0 4px;
    font-family: "Caesar Dressing", system-ui;
}

.stat-footnote {
    font-size: .95rem;
    color: rgba(255, 255, 255, 0.75);
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: .3em;
    font-size: .85rem;
    color: rgba(27, 27, 27, 0.7);
    margin-bottom: 12px;
    font-family: "Caesar Dressing", system-ui;
}

.hero h1 {
    font-size: clamp(2rem, 3vw, 2.9rem);
    margin: 0 0 16px;
    color: var(--charcoal);
}

.lead {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-soft);
}

.hero-actions {
    margin-top: 28px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    border-radius: var(--radius-chip);
    padding: 12px 28px;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: .08em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform .25s var(--transition), box-shadow .25s var(--transition);
}

.btn.primary {
    background: var(--charcoal);
    color: #fff;
    box-shadow: 0 15px 35px rgba(27, 27, 27, 0.25);
}

.btn.ghost {
    border: 1px solid rgba(27, 27, 27, 0.2);
    color: var(--text);
    background: transparent;
}

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

.micro-grid {
    max-width: 1200px;
    margin: 0 auto 32px;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.micro-card {
    background: rgba(255, 255, 255, 0.75);
    border-radius: var(--radius-card);
    padding: 24px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: var(--shadow-soft);
}

.micro-card h3 {
    margin: 0 0 8px;
    font-size: 1.1rem;
}

.activities-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

.section-heading {
    display: flex;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.section-heading h2 {
    margin: 4px 0 0;
    font-size: clamp(2rem, 2.4vw, 2.6rem);
}

.section-description {
    max-width: 420px;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-soft);
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.option-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    transition: transform .3s var(--transition), box-shadow .3s var(--transition);
}

.option-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.card-media img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    flex-wrap: wrap;
}

.card-author {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: .85rem;
    color: var(--text-soft);
}

.card-author .author-label {
    text-transform: uppercase;
    letter-spacing: .15em;
    font-size: .7rem;
    font-weight: 600;
    color: var(--text);
}

.card-author .author-name {
    font-weight: 500;
}

.badge {
    font-size: .8rem;
    padding: 6px 14px;
    border-radius: var(--radius-chip);
    text-transform: uppercase;
    letter-spacing: .1em;
    background: rgba(0, 0, 0, 0.08);
    color: var(--charcoal);
}

.badge-dev { background: rgba(108, 99, 255, 0.12); color: #4338ca; }
.badge-ux { background: rgba(225, 29, 72, 0.12); color: #be123c; }
.badge-cms { background: rgba(14, 165, 233, 0.12); color: #0369a1; }
.badge-live { background: rgba(16, 185, 129, 0.12); color: #047857; }
.badge-data { background: rgba(249, 115, 22, 0.15); color: #9a3412; }
.badge-game { background: rgba(59, 130, 246, 0.15); color: #1d4ed8; }
.badge-marketing { background: rgba(236, 72, 153, 0.15); color: #a21caf; }
.badge-seo { background: rgba(100, 116, 139, 0.18); color: #0f172a; }
.badge-access { background: rgba(34, 197, 94, 0.14); color: #166534; }
.badge-xr { background: rgba(14, 116, 144, 0.18); color: #115e59; }

.resource-link {
    font-size: .85rem;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: #1d4ed8;
    border-bottom: 2px solid rgba(29, 78, 216, 0.35);
    padding-bottom: 2px;
    font-weight: 600;
    transition: color .2s ease, border-color .2s ease;
}

.resource-link:hover,
.resource-link:focus-visible {
    color: #0f172a;
    border-color: #0f172a;
}
.card-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    font-size: .9rem;
    color: var(--text-soft);
}

.card-list li {
    padding: 6px 12px;
    border-radius: var(--radius-chip);
    background: rgba(0, 0, 0, 0.05);
}

.option-card--ghost {
    border: 1px dashed rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.6);
    justify-content: center;
}

.ghost-label {
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .3em;
    color: rgba(0, 0, 0, 0.5);
}

.cta-ribbon {
    max-width: 1100px;
    margin: 48px auto;
    padding: 28px 32px;
    border-radius: var(--radius-large);
    background: linear-gradient(120deg, #20160a, #3b2a15);
    color: #fff0d5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.cta-ribbon .btn {
    background: var(--accent);
    color: #1b1207;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    padding: 12px 18px;
    border: none;
    border-radius: 18px;
    background: var(--charcoal);
    color: #fff;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .25s ease, transform .25s ease;
    z-index: 15;
}

.back-to-top.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.site-footer {
    margin-top: 48px;
    padding: 32px 24px 48px;
    background: rgba(0, 0, 0, 0.85);
    color: #f3e9d7;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    width: 140px;
}

.footer-nav {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.footer-pill {
    text-decoration: none;
    padding: 8px 18px;
    border-radius: var(--radius-chip);
    background: rgba(255, 255, 255, 0.12);
    color: #fff0d5;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-size: .85rem;
}

.footer-social {
    list-style: none;
    display: flex;
    gap: 12px;
    padding: 0;
    margin: 0;
}

.social-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: inherit;
}

.social-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

@media (max-width: 900px) {
    .main-nav {
        position: fixed;
        inset: 0 0 0 auto;
        width: min(320px, 80vw);
        background: rgba(255, 249, 238, 0.97);
        flex-direction: column;
        align-items: flex-start;
        padding: 32px;
        transform: translateX(100%);
        transition: transform .3s var(--transition);
        box-shadow: -5px 0 35px rgba(0, 0, 0, 0.15);
    }

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

    .nav-close {
        display: inline-flex;
        align-self: flex-end;
        font-size: 1.4rem;
        border: none;
        background: transparent;
        margin-bottom: 16px;
    }

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

    .section-heading {
        flex-direction: column;
    }

    .cta-ribbon {
        flex-direction: column;
        text-align: center;
    }

    .hero-inner {
        padding: 36px;
    }
}

@media (max-width: 600px) {
    .hero {
        padding: 16px;
    }

    .hero-inner,
    .stat-card {
        padding: 28px;
    }

    .activities-container {
        padding: 16px;
    }
}