/* =====================================================
   MIZAN NATURE TECH CLUSTER
   AWWWARDS STYLE CSS - CORRECTED VERSION
===================================================== */

:root{
    --bg:#07110f;
    --bg-light:#0f1f1c;
    --bg-card:rgba(255,255,255,.04);

    --primary:#00c389;
    --secondary:#57e3c2;
    --accent:#d8ff6e;

    --white:#ffffff;
    --muted:#9eb0aa;

    --glass:rgba(255,255,255,.08);
    --border:rgba(255,255,255,.12);

    --shadow: 0 10px 40px rgba(0,0,0,.35);
    --radius:24px;
    --container:1400px;
}

/* =====================================================
   RESET
===================================================== */
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Inter',sans-serif;
    background:var(--bg);
    color:var(--white);
    overflow-x:hidden;
    line-height:1.6;
}

img{
    width:100%;
    display:block;
}

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

ul{
    list-style:none;
}

button{
    border:none;
    background:none;
    cursor:pointer;
}

.container{
    width:min(90%,var(--container));
    margin:auto;
}

/* =====================================================
   CUSTOM SCROLLBAR
===================================================== */
::-webkit-scrollbar{
    width:10px;
}

::-webkit-scrollbar-track{
    background:#081412;
}

::-webkit-scrollbar-thumb{
    background:var(--primary);
    border-radius:50px;
}

/* =====================================================
   PRELOADER
===================================================== */
.preloader{
    position:fixed;
    inset:0;
    background:#050807;
    z-index:9999;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:40px;
    transition: opacity 0.5s, visibility 0.5s;
}

.preloader.is-hidden{
    opacity:0;
    visibility:hidden;
    pointer-events:none;
}

.loader-logo{
    width:220px;
}

.loader-line{
    width:240px;
    height:3px;
    background:rgba(255,255,255,.1);
    position:relative;
    overflow:hidden;
}

.loader-line::after{
    content:"";
    position:absolute;
    top:0;
    left:-100%;
    width:100%;
    height:100%;
    background:var(--primary);
    animation:loading 2s infinite;
}

@keyframes loading{
    to{
        left:100%;
    }
}

/* =====================================================
   CURSOR
===================================================== */
.cursor{
    width:18px;
    height:18px;
    border:2px solid var(--primary);
    border-radius:50%;
    position:fixed;
    pointer-events:none;
    z-index:9999;
    transform:translate(-50%,-50%);
    transition:.08s;
}

/* =====================================================
   NAVBAR
===================================================== */
.navbar{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    z-index:2000;
    transition:.4s;
}

.navbar.scrolled{
    background:rgba(7,17,15,.72);
    backdrop-filter:blur(18px);
    border-bottom:1px solid var(--border);
}

.nav-container{
    height:95px;
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.logo img{
    height:60px;
    width:auto;
}

.desktop-menu{
    display:flex;
    gap:40px;
}

.desktop-menu a{
    font-size:.95rem;
    color:#fff;
    opacity:.8;
    transition:.3s;
}

.desktop-menu a:hover{
    color:var(--primary);
    opacity:1;
}

/* =====================================================
   BURGER
===================================================== */
.burger{
    width:50px;
    height:50px;
    position:relative;
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:8px;
    z-index:3000;
}

.burger span{
    width:30px;
    height:2px;
    background:white;
    transition:.4s;
}

/* =====================================================
   MENU OVERLAY
===================================================== */
.menu-overlay{
    position:fixed;
    inset:0;
    background:#05100d;
    z-index:2500;
    display:flex;
    justify-content:center;
    align-items:center;
    transform:translateY(-100%);
    transition:.7s ease;
}

.menu-overlay.active{
    transform:translateY(0);
}

.menu-content{
   /* display:flex;
    flex-direction:column;
    gap:25px;*/
    text-align:center;
}

.menu-content a{
    font-size:clamp(2rem,5vw,5rem);
    font-weight:700;
    transition:.4s;
}

.menu-content a span{
    color:var(--primary);
    margin-right:15px;
    font-size:1rem;
}

.menu-content a:hover{
    transform:translateX(10px);
}

/* =====================================================
   HERO
===================================================== */
/* =====================================================
   HERO
===================================================== */
.hero{
    min-height:100vh;
    position:relative;
    display:flex;
    align-items:center;
    overflow:hidden;
}

.hero-bg{
    position:absolute;
    inset:0;
}

.hero-bg img{
    width:100%;
    height:100%;
    object-fit:cover;
    transform:scale(1.08);
}

.hero-overlay{
    position:absolute;
    inset:0;
    background: linear-gradient(180deg, rgba(0,0,0,.35), rgba(7,17,15,.82));
}

#particles{
    position:absolute;
    inset:0;
}

.hero-content{
    width:min(90%,1400px);
    margin:auto;
    position:relative;
    z-index:5;
    padding: 120px 0;
}

.hero h1{
    font-size:clamp(3rem,7vw,7rem);
    line-height:1.05;
    max-width:1000px;
    margin-bottom:30px;
    font-weight: 800;
    letter-spacing: -2px;
}

.hero-description{
    max-width:700px;
    font-size:1.15rem;
    color:#d8d8d8;
    margin-bottom:45px;
    line-height:1.7;
    opacity: 1;
    visibility: visible;
}

.hero-buttons{
    display:flex;
    gap:20px;
    flex-wrap:wrap;
    opacity: 1;
    visibility: visible;
}

/* =====================================================
   BUTTONS
===================================================== */
.btn-primary{
    padding:18px 36px;
    background:var(--primary);
    color:#fff;
    border-radius:60px;
    transition:.4s;
}

.btn-primary:hover{
    transform:translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,195,137,.3);
}

.btn-secondary{
    padding:18px 36px;
    border:1px solid rgba(255,255,255,.25);
    border-radius:60px;
    backdrop-filter:blur(10px);
}

.btn-secondary:hover{
    border-color:var(--primary);
}

/* =====================================================
   SCROLL INDICATOR
===================================================== */
.scroll-indicator{
    position:absolute;
    bottom:50px;
    left:50%;
    transform:translateX(-50%);
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:10px;
    z-index:10;
    animation:float 2s infinite;
}

@keyframes float{
    50%{
        transform: translateX(-50%) translateY(10px);
    }
}

/* =====================================================
   SECTIONS - CRITICAL FIX FOR VISIBILITY
===================================================== */
.section{
    padding:140px 0;
    background: var(--bg-light);
}

/* FORCE VISIBILITY - Prevents GSAP from hiding elements */
.section-header,
.eco-card,
.stat,
.lab-card,
.service-card,
.impact-item,
.final-cta h2,
.final-cta p{
    opacity: 1 !important;
    visibility: visible !important;
}

.section-header{
    max-width:900px;
}

.section-header.center{
    text-align:center;
    margin:auto;
}

.section-tag{
    display:inline-block;
    margin-bottom:20px;
    color:var(--primary);
    text-transform:uppercase;
    letter-spacing:2px;
}

.section-header h2{
    font-size:clamp(2.5rem,5vw,5rem);
    line-height:1.05;
    margin-bottom:25px;
}

.section-header p{
    color:var(--muted);
    font-size:1.1rem;
}

/* =====================================================
   CHALLENGE
===================================================== */
.challenge{
    display:grid;
    grid-template-columns:1fr 1fr;
    min-height:700px;
}

.challenge-image img{
    width:100%;
    height:100%;
    object-fit:cover;
}

.challenge-content{
    padding:100px;
    display:flex;
    flex-direction:column;
    justify-content:center;
}

.challenge-content span{
    color:var(--primary);
    margin-bottom:15px;
}

.challenge-content h2{
    font-size:3rem;
    margin-bottom:25px;
}

.challenge-content p{
    color:var(--muted);
    max-width:600px;
}

/* =====================================================
   ECOSYSTEM
===================================================== */
.ecosystem{
    background:var(--bg-light);
}

.ecosystem-grid{
    margin-top:80px;
    display:grid;
    grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
    gap:30px;
}

.eco-card{
    background:var(--glass);
    backdrop-filter:blur(20px);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:40px;
    transition:.4s;
}

.eco-card:hover{
    transform:translateY(-10px);
    border-color:var(--primary);
}

.card-number{
    color:var(--primary);
    font-size:.9rem;
    margin-bottom:15px;
}

.eco-card h3{
    font-size:1.6rem;
    margin-bottom:15px;
}

.eco-card p{
    color:var(--muted);
}

/* =====================================================
   GEOAI
===================================================== */
.geoai{
    position:relative;
    overflow:hidden;
}

.geo-overlay{
    position:absolute;
    inset:0;
    background: radial-gradient(circle at center, rgba(0,195,137,.12), transparent 70%);
}

.geo-stats{
    margin-top:80px;
    display:grid;
    grid-template-columns: repeat(4,1fr);
    gap:30px;
}

.stat{
    padding:50px;
    text-align:center;
    border:1px solid var(--border);
    border-radius:var(--radius);
    background:var(--glass);
    backdrop-filter:blur(20px);
}

.stat h3{
    font-size:2.5rem;
    color:var(--accent);
}

.stat h2{
    font-size:1.5rem;
    color:var(--accent);
}

/* =====================================================
   LABS
===================================================== */
.labs-grid{
    margin-top:80px;
    display:grid;
    grid-template-columns: repeat(3,1fr);
    gap:30px;
}

.lab-card{
    overflow:hidden;
    border-radius:var(--radius);
    position:relative;
}

.lab-card img{
    height:650px;
    object-fit:cover;
    transition:1s;
}

.lab-card:hover img{
    transform:scale(1.1);
}

.lab-content{
    position:absolute;
    bottom:0;
    width:100%;
    padding:40px;
    background: linear-gradient(transparent, rgba(0,0,0,.85));
}

.lab-content h3{
    font-size:2rem;
    margin-bottom:10px;
}

/* =====================================================
   SERVICES
===================================================== */
.services{
    background:var(--bg-light);
}

.services-grid{
    margin-top:80px;
    display:grid;
    grid-template-columns: repeat(auto-fit,minmax(350px,1fr));
    gap:30px;
}

.service-card{
    padding:50px;
    border-radius:var(--radius);
    border:1px solid var(--border);
    background:var(--glass);
    transition:.4s;
}

.service-card:hover{
    background:rgba(0,195,137,.12);
    transform:translateY(-8px);
}

.service-card h3{
    font-size:1.4rem;
}

/* =====================================================
   IMPACT
===================================================== */
.impact-grid{
    display:grid;
    grid-template-columns: repeat(4,1fr);
    gap:30px;
}

.impact-item{
    text-align:center;
    padding:60px 30px;
    border-radius:var(--radius);
    background:var(--glass);
    border:1px solid var(--border);
}

.impact-item h3{
    font-size:4rem;
    color:var(--primary);
    margin-bottom:10px;
}

/* =====================================================
   FINAL CTA
===================================================== */
.final-cta{
    padding:180px 0;
    text-align:center;
    background: linear-gradient(180deg, var(--bg), #03120d);
}

.final-cta h2{
    font-size:clamp(3rem,6vw,6rem);
    max-width:1100px;
    margin:auto;
    line-height:1.05;
    margin-bottom:30px;
}

.final-cta p{
    max-width:700px;
    margin:0 auto 50px;
    color:var(--muted);
    font-size:1.2rem;
}

/* =====================================================
   FOOTER & CONTACT FORM
===================================================== */
footer{
    border-top:1px solid var(--border);
    padding:80px 0;
}

.footer-content{
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:20px;
}

.footer-logo{
    width:260px;
}

.footer-description{
    color:var(--muted);
    text-align:center;
    margin:20px 0;
}

.contact-form{
    max-width:800px;
    width:100%;
    margin:60px auto;
    display:grid;
    gap:25px;
}

.form-group{
    display:flex;
    flex-direction:column;
    gap:8px;
}

.form-group label{
    color:var(--muted);
    font-size:0.9rem;
    text-transform:uppercase;
    letter-spacing:1px;
}

.form-group input,
.form-group textarea{
    padding:15px 20px;
    background:var(--glass);
    border:1px solid var(--border);
    border-radius:12px;
    color:white;
    font-family:'Inter',sans-serif;
    font-size:1rem;
    transition:all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus{
    outline:none;
    border-color:var(--primary);
    background:rgba(0,195,137,0.05);
}

.form-group textarea{
    min-height:150px;
    resize:vertical;
}

.form-row{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:25px;
}

.submit-btn{
    padding:18px 40px;
    background:var(--primary);
    color:white;
    border:none;
    border-radius:60px;
    font-size:1rem;
    font-weight:600;
    cursor:pointer;
    transition:all 0.3s ease;
    justify-self:start;
}

.submit-btn:hover{
    transform:translateY(-3px);
    box-shadow:0 10px 30px rgba(0,195,137,0.3);
}

.footer-socials{
    display:flex;
    gap:20px;
    margin-top:40px;
}

.footer-socials a{
    width:50px;
    height:50px;
    display:grid;
    place-items:center;
    border:1px solid var(--border);
    border-radius:50%;
    transition:all 0.3s ease;
}

.footer-socials a:hover{
    background:var(--primary);
}

.footer-copyright{
    color:var(--muted);
    margin-top:40px;
    font-size:0.9rem;
    text-align:center;
}

/* =====================================================
   BACK TO TOP BUTTON
===================================================== */
.back-to-top{
    position:fixed;
    bottom:40px;
    right:40px;
    width:50px;
    height:50px;
    background:var(--primary);
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    cursor:pointer;
    opacity:0;
    visibility:hidden;
    transition:all 0.3s ease;
    z-index:1000;
    box-shadow:0 5px 20px rgba(0,195,137,0.3);
}

.back-to-top.visible{
    opacity:1;
    visibility:visible;
}

.back-to-top:hover{
    transform:translateY(-5px);
    box-shadow:0 8px 25px rgba(0,195,137,0.4);
}

.back-to-top i{
    font-size:1.5rem;
    color:white;
}

/* =====================================================
   RESPONSIVE
===================================================== */
@media(max-width:1100px){
    .labs-grid,
    .impact-grid,
    .geo-stats{
        grid-template-columns:1fr 1fr;
    }

    .challenge{
        grid-template-columns:1fr;
    }

    .challenge-content{
        padding:60px 10%;
    }
}

@media(max-width:768px){
    .desktop-menu{
        display:none;
    }

    .hero h1{
        font-size:4rem;
    }

    .labs-grid,
    .impact-grid,
    .geo-stats{
        grid-template-columns:1fr;
    }

    .challenge-content h2{
        font-size:2.2rem;
    }

    .section{
        padding:100px 0;
    }

    .form-row{
        grid-template-columns:1fr;
    }

    .back-to-top{
        bottom:30px;
        right:30px;
    }
}

@media(max-width:500px){
    .hero h1{
        font-size:3rem;
    }

    .section-header h2{
        font-size:2.2rem;
    }

    .service-card,
    .eco-card{
        padding:30px;
    }

    .challenge-content{
        padding:50px 25px;
    }
}

/* ==========================================
   CRITICAL FIX - PREVENT ELEMENTS FROM HIDING
   ========================================== */

/* Force all sections and elements to stay visible */
.ecosystem,
.services,
.geoai,
.living-labs,
.impact,
.final-cta,
footer,
.eco-card,
.service-card,
.stat,
.lab-card,
.impact-item,
.section-header,
.hero-description,
.hero-buttons {
    opacity: 1 !important;
    visibility: visible !important;
    display: block !important;
}

/* Ensure grids display properly */
.ecosystem-grid,
.services-grid,
.geo-stats,
.labs-grid,
.impact-grid {
    display: grid !important;
    opacity: 1 !important;
    visibility: visible !important;
}

/* =====================================================
   PARTENAIRES
===================================================== */
.partners{
    background: var(--bg);
    position: relative;
    overflow: hidden;
}

.partners-grid{
    margin-top: 80px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.partner-card{
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 50px 40px;
    text-align: center;
    transition: 0.4s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.partner-card:hover{
    transform: translateY(-10px);
    border-color: var(--primary);
    background: rgba(0, 195, 137, 0.05);
    box-shadow: 0 20px 50px rgba(0, 195, 137, 0.15);
}

.partner-logo{
    width: 180px;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 20px;
    transition: 0.4s;
    overflow: hidden;
}

.partner-card:hover .partner-logo{
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

.partner-logo img{
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0.8;
    transition: 0.4s;
}

.partner-card:hover .partner-logo img{
    opacity: 0.2;
    filter: brightness(0) invert(1);
    /* Filter reste en brightness(0) invert(1) - logos blancs */
}

.partner-card:hover .partner-logo img{
    opacity: 1;
    filter: brightness(1) invert(0);
}

.partner-card h3{
    font-size: 1.4rem;
    color: var(--white);
    font-weight: 600;
    margin: 0;
}

.partner-card p{
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* Responsive Partners */
@media(max-width: 1100px){
    .partners-grid{
        grid-template-columns: repeat(2, 1fr);
    }
}

@media(max-width: 768px){
    .partners-grid{
        grid-template-columns: 1fr;
    }
    
    .partner-logo{
        width: 150px;
        height: 150px;
    }
}