:root {
    --bg: #202020;
    --txt: #f5f5dc;
    --muted: #a9a9a9;
    --card: #1a1a1a;
    --accent: #ff4949;
    --accent-2: #db2777;
    --border: rgba(236, 72, 153, .2);
    --radius: 18px;
    --shadow: 0 10px 40px rgba(236, 72, 153, .2);

    /* Vars fluides */
    --site-pad-x: clamp(16px, 2.5vw, 24px);
    --section-pad-y: clamp(56px, 8vw, 96px);
    --nav-h: clamp(56px, 8vh, 72px);
    --hero-gap: clamp(16px, 2.2vw, 28px);
    --grid-gap: clamp(16px, 2vw, 22px);
    --card-pad: clamp(18px, 2.2vw, 26px);
    --rounded: clamp(14px, 1.8vw, 18px);
    --btn-pad-y: clamp(10px, 1.2vw, 14px);
    --btn-pad-x: clamp(16px, 1.8vw, 22px);
    --badge-gap: clamp(28px, 3.2vw, 56px);
}
/* Fonts */
@font-face {
    font-family: "climate_crisis";
    src: url(/fonts/ClimateCrisis-Regular-VariableFont_YEAR.ttf) format("truetype");
}
@font-face {
    font-family: "Fjalla One";
    src: url(/fonts/FjallaOne-Regular.ttf) format("truetype");
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background:
        /* Rose haut gauche (Intro/Main Container) */
        radial-gradient(60vw 60vh at -10% 20%, rgba(236, 72, 153, 0.15), transparent 70%),

        /* Magenta haut droite (Intro/Main Container) */
        radial-gradient(60vw 90vh at 120% 15%, rgba(219, 39, 119, 0.12), transparent 70%),

        /* Rose profond gauche (Expertise) */
        radial-gradient(60vw 60vh at -10% 50%, rgba(236, 72, 153, 0.10), transparent 70%),

        /* Magenta centre droit (Services) */
        radial-gradient(60vw 60vh at 120% 65%, rgba(219, 39, 119, 0.08), transparent 70%),

        /* Rose bas gauche (Contact) */
        radial-gradient(48vw 60vh at -10% 100%, rgba(236, 72, 153, 0.08), transparent 70%),

        /* Magenta bas droite (Contact) */
        radial-gradient(48vw 60vh at 110% 100%, rgba(219, 39, 119, 0.06), transparent 70%),

        var(--bg);

    color: var(--txt);
    font-family: "DM Sans", "Fjalla One", "Pixelify Sans", system-ui, sans-serif;
    letter-spacing: .1px;
    position: relative;
    z-index: 0;
    overflow-x: hidden;
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 var(--site-pad-x);
}

.section {
    padding: var(--section-pad-y) 0;
}

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

.gradient-text {
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ====================== */
/* Buttons */
/* ====================== */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: clamp(8px, 1vw, 10px);
    padding: var(--btn-pad-y) var(--btn-pad-x);
    border-radius: clamp(12px, 1.4vw, 14px);
    font-weight: 600;
    cursor: pointer;
    transition: all .3s ease;
    isolation: isolate;
    text-decoration: none;
    font-size: clamp(14px, 1.1vw, 15px);
    font-family: "DM Sans", "Fjalla One", "Pixelify Sans", system-ui, sans-serif;
}

.btn .ring {
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: conic-gradient(from 0turn, rgba(221, 114, 221, 0.9), rgba(255, 111, 243, 0.9), rgba(189, 108, 243, 0.9));
    filter: blur(clamp(12px, 1.6vw, 18px));
    opacity: .35;
    z-index: -1;
    transition: opacity .35s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 69, 0, .15);
}

.btn:hover .ring {
    opacity: .6
}

.btn.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    border: none;
    box-shadow: 0 6px 20px rgba(255, 69, 0, .3);
}

.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 26px rgba(255, 69, 0, .45);
}

.btn.secondary {
    background: var(--card);
    border: 1px solid var(--border);
    color: #fff;
}

.btn.secondary:hover {
    border-color: var(--accent);
    box-shadow: 0 6px 20px rgba(255, 215, 0, .25);
    transform: translateY(-2px);
}

/* ====================== */
/* Navbar */
/* ====================== */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: saturate(140%) blur(12px);
    background: rgba(17, 17, 17, .5);
    border-bottom: 1px solid var(--border);
    min-height: var(--nav-h);
    font-family: "DM Sans", "Fjalla One", "Pixelify Sans", system-ui, sans-serif;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--site-pad-x);
}

.brand {
    display: flex;
    align-items: center;
    gap: clamp(8px, 1vw, 10px);
    font-family: "climate_crisis", sans-serif;
    font-optical-sizing: auto;
    font-weight: 200;
    font-style: normal;
    font-variation-settings:
        "YEAR" 1979;
        letter-spacing: 1px;
    color: var(--txt);
    font-size: 1.4em;
}

.brand .dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 0 20px rgba(255, 69, 0, .6);
}

.nav ul {
    display: flex;
    gap: clamp(14px, 2vw, 22px);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav a {
    color: var(--txt);
    text-decoration: none;
    font-weight: 600;
    opacity: .8;
}

.nav ul li a {
    display: flex;
    align-items: center;
    height: var(--nav-h);
    padding: 0 6px;
}

header.nav .nav-inner nav ul li:last-child>a.btn {
    display: inline-flex;
    align-items: center;
    margin: 0;
    height: auto;
    padding: var(--btn-pad-y) var(--btn-pad-x);
    box-sizing: border-box;
}

.nav a:hover {
    opacity: 1
}
.nav-desktop img {
    
    width: 24px;
    height: auto;
    cursor: pointer;
    transition: all .3s;
    border-radius: 4px;
}

/* Burger Mobile */
.burger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
}

.burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--txt);
    border-radius: 1px;
    transition: transform .3s, opacity .3s;
}

.burger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.burger.active span:nth-child(2) {
    opacity: 0;
}

.burger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(17, 17, 17, .96);
    backdrop-filter: blur(1rem);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3.2vh;
    opacity: 0;
    pointer-events: none;
    transition: opacity .35s ease;
    z-index: 999;
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: auto;
    display: flex;
}

.mobile-menu a {
    font-size: clamp(1.2rem, 5vw, 1.6rem);
    font-weight: 800;
    color: var(--txt);
    text-decoration: none;
}

.mobile-menu .btn {
    margin-top: 2.5vh;
    font-size: clamp(1rem, 3vw, 1.2rem);
    padding: 0.8rem 1.5rem;
}

/* ====================== */
/* Intro */
/* ====================== */
.first-intro {
    color: var(--txt);
    position: relative;
    display: flex;
    justify-content: start;
    padding-left: 50px;
    
}

.first-intro p {
    margin-top: 100px;
    margin-right: 30px;
    left: 100px;
    opacity: 0;
    font-size: 2em;
    color: var(--accent);
}

.first-intro .decouvrir {
    position: absolute;
    margin-top: 100px;
    margin-right: 30px;
    left: 50px;
    font-size: 1.2em;
}

/* ====================== */
/* Main Container Photos */
/* ====================== */
.main-container-photo {
    display: flex;
    justify-content: center;
    margin: 100px 100px auto;
}

.container-photo {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
    gap: 1em;
    width: 800px;
    height: 500px;
    transition: all 300ms;
}

.box {
    position: relative;
    background: var(--img) center center;
    background-size: cover;
    transition: all 300ms;
    display: flex;
    justify-content: center;
    align-items: center;
    /* filter: grayscale(100%) opacity(90%); */
    border-radius: var(--rounded);
    overflow: hidden;
}

.box::after {
    content: attr(data-text);
    position: absolute;
    bottom: 20px;
    background: rgba(0, 0, 0, .8);
    color: var(--accent);
    padding: 10px 14px;
    letter-spacing: 4px;
    text-transform: uppercase;
    transform: translateY(60px);
    opacity: 0;
    transition: all 30ms;
    border-radius: var(--rounded);
    font-family: "DM Sans", "Fjalla One", "Pixelify Sans", system-ui, sans-serif;
}

.box:hover::after {
    transform: translateY(0);
    opacity: 1;
    transition-delay: 300ms;
}

.container-photo .box:hover {
    filter: grayscale(0%) opacity(100%);
   
    box-shadow: var(--shadow);
}

.container-photo:has(.box-1:hover) {
    grid-template-columns: 3fr 1fr 1fr 1fr 1fr;
}

.container-photo:has(.box-2:hover) {
    grid-template-columns: 1fr 3fr 1fr 1fr 1fr;
}

.container-photo:has(.box-3:hover) {
    grid-template-columns: 1fr 1fr 3fr 1fr 1fr;
}

.container-photo:has(.box-4:hover) {
    grid-template-columns: 1fr 1fr 1fr 3fr 1fr;
}

.container-photo:has(.box-5:hover) {
    grid-template-columns: 1fr 1fr 1fr 1fr 3fr;
}

.box:nth-child(odd) {
    transform: translateY(-16px);
}

.box:nth-child(even) {
    transform: translateY(16px);
}

/* ====================== */
/* Container Text */
/* ====================== */
.container-text {
    text-align: center;
    margin-top: 50px;
    
}

.container-text p {
    padding: 0;
    color: var(--txt);
    font-size: 1em;
    letter-spacing: 1px;
    max-width: 60ch;
    margin: 0 auto 1em;
}

/* ====================== */
/* Divider */
/* ====================== */
.divider {
    height: 2px;
    width: 40vw;
    background: linear-gradient(90deg, transparent, var(--accent), var(--accent-2), transparent);
    margin: 100px auto;
}

/* ====================== */
/* Sections General */
/* ====================== */
h1, h2 {
    text-align: center;
    color: var(--txt);
    margin: 50px auto;
    font-size: 2em;
    font-family: "climate_crisis", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    font-variation-settings:
        "YEAR" 1979;
}

.orange {
    color: var(--accent);
}

/* ====================== */
/* Expertise Section */
/* ====================== */
.containerTwo {
    min-height: 100vh;
    padding: var(--section-pad-y) 0;
}

.containerTwo_textIcons {
    display: grid;
    gap: var(--grid-gap);
    align-items: center;
}

.container_text {
    text-align: justify;
    margin: auto 4%;
    color: var(--txt);
    font-size: 1.2em;
    display: flex;
    flex-direction: column;
    gap: 2em;
}

.container_text img {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    border-radius: var(--rounded);
    box-shadow: var(--shadow);
}

.paragraphs {
    display: flex;
    flex-direction: column;
    gap: 1em;
    max-width: 60ch;
    margin: 0 auto;
    font-size: clamp(16px, 1.4vw, 18px);
    line-height: 1.6;
    color: var(--muted);
}

.containerTwo_icons {
    margin: 50px auto;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 1em;
}

.containerTwo_icons img {
    width: clamp(44px, 3.4vw, 56px);
    height: auto;
    opacity: 0.8;
    transition: opacity .3s;
}

.containerTwo_icons img:hover {
    opacity: 1;
    filter: drop-shadow(0 0 10px var(--accent));
}

/* ====================== */
/* Services Section */
/* ====================== */
.containerThree {
    min-height: 100vh;
    padding: var(--section-pad-y) 0;
}

.containerThree .container_text {
    text-align: center;
    gap: 2em;
}

.containerThree .paragraphs {
    text-align: justify;
}

.containerThree img {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    border-radius: var(--rounded);
    box-shadow: var(--shadow);
}

figcaption {
    color: var(--accent);
    font-size: 1.4em;
    text-align: center;
    font-family: "DM Sans", "Fjalla One", "Pixelify Sans", system-ui, sans-serif;
    margin-top: 2em;
}

/* Marquee */
.marquee {
    position: relative;
    overflow: hidden;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: rgba(26, 26, 26, .4);
    margin-top: 2em;
}

.marquee-track {
    display: flex;
    gap: var(--badge-gap);
    padding: clamp(14px, 1.6vw, 22px) 0;
    will-change: transform;
}

.badge {
    padding: clamp(6px, .9vw, 8px) clamp(10px, 1.2vw, 12px);
    border: 1px dashed var(--border);
    border-radius: 999px;
    color: var(--muted);
    font-size: clamp(12px, 1.2vw, 14px);
    white-space: nowrap;
    font-family: "DM Sans", "Fjalla One", "Pixelify Sans", system-ui, sans-serif;
}

/* ====================== */
/* Grid & Cards */
/* ====================== */
.grid {
    display: grid;
    gap: var(--grid-gap);
    margin-top: 2em;
}

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

@media (max-width:900px) {
    .grid.cols-3 {
        grid-template-columns: 1fr
    }
}

.card {
    background: linear-gradient(180deg, rgba(255, 255, 255, .02), rgba(255, 255, 255, .0));
    border: 1px solid var(--border);
    border-radius: var(--rounded);
    padding: var(--card-pad);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    transition: transform .3s ease;
}

.card:hover {
    transform: translateY(-4px);
}

.card .shine {
    position: absolute;
    inset: -1px;
    background: radial-gradient(34vw 12vw at var(--mx, 60%) -10%, rgba(255, 69, 0, .08), transparent 45%);
    pointer-events: none;
}

.card h3 {
    margin: 8px 0 6px;
    font-size: clamp(18px, 1.4vw, 22px);
    font-family: "DM Sans", "Fjalla One", "Pixelify Sans", system-ui, sans-serif;
}

.card p {
    margin: 0;
    color: var(--muted);
    font-size: clamp(14px, 1.2vw, 15px);
}

.expertise-card {
    background-color: #191919;;
    text-align: center;
    margin-left: 4%;
    margin-right: 4%;
    padding: clamp(36px, 4vw, 64px) clamp(22px, 2.4vw, 32px);
    min-height: clamp(300px, 38vh, 380px);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.expertise-card .expertise-icon {
    width: clamp(44px, 3.4vw, 56px);
    height: clamp(44px, 3.4vw, 56px);
    margin: 0 auto clamp(12px, 1.4vw, 18px);
    opacity: 0.95;
    filter: drop-shadow(0 0 10px var(--accent));
}

/* ====================== */
/* Contact */
/* ====================== */
.contact {
    min-height: 100vh;
    padding: var(--section-pad-y) 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.contact h2 {
    font-family: "DM Sans", "Fjalla One", "Pixelify Sans", system-ui, sans-serif;
    margin-bottom: 2em;
}

#contact-form {
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: clamp(10px, 1.2vw, 14px);
    padding: clamp(18px, 2vw, 24px);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 1em;
}

#contact-form input,
#contact-form textarea {
    width: 100%;
    padding: clamp(12px, 1.2vw, 14px) clamp(14px, 1.4vw, 16px);
    border-radius: clamp(10px, 1.2vw, 12px);
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--txt);
    font: inherit;
}

#contact-form textarea {
    min-height: clamp(120px, 22vh, 140px);
    resize: vertical;
}

.response {
    font-size: 1.5em;
    color: var(--accent);
    margin: 100px auto;
    text-align: center;
    font-family: "DM Sans", "Fjalla One", "Pixelify Sans", system-ui, sans-serif;
}

/* ====================== */
/* Footer */
/* ====================== */
footer {
    
    padding: 2em 0;
}

.footer-list {
    height: 120px;
    width: 100%;
    display: flex;
    justify-content: space-evenly;
    padding: 40px var(--site-pad-x);
    align-items: center;
}

.footer-list img {
    width: 35px;
    opacity: 0.7;
    transition: all .3s;
}

.footer-list img:hover {
    opacity: 1;
    background: rgba(222, 53, 228, 0.9);
    border-radius: 10px;
    box-shadow: 0 0 20px var(--accent);
    transform: scale(1.1);
}

.mentions {
    text-align: center;
    color: var(--muted);
    font-size: 0.9em;
}

.mentions a {
    text-decoration: none;
    color: var(--accent);
}

/* ====================== */
/* Reveals */
/* ====================== */
.reveal {
    opacity: 0;
    transform: translateY(16px);
}


/* ====================== */
/* Mobile */
/* ====================== */
@media (max-width: 768px) {
    .nav-desktop {
        display: none !important;
    }
    h1, h2 {
        font-size: 1.2em;
    }
    .burger {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }
    
    .hero-grid,
    .container_text {
        flex-direction: column;
    
    }
    .container-text p {
        padding: 4%;
        color: var(--txt);
        font-size: .8em;
        letter-spacing: 1px;
        max-width: 60ch;
        margin: 0 auto;
    }
    
    .main-container-photo {
        margin: 100px 20px auto;
    }
    
    .container-photo {
        height: 280px;
    }
    .box {
        height: 200px;
    }

    .grid.cols-3 {
        grid-template-columns: 1fr;
        gap: 2em;
    }

    .expertise-card {
        min-height: auto;
        padding: 2rem 1.25rem;
    }

    .containerTwo_icons {
        justify-content: center;
    }

    .contact #contact-form {
        max-width: 92%;
    }

    .footer-list {
        padding: 20px var(--site-pad-x);
        flex-wrap: wrap;
        gap: 1em;
    }
    .mobile-menu img {
        width: 2.5em;
        opacity: .7;
        border-radius: 12px;
        
    }
}

/* ====================== */
/* Light Scheme */
/* ====================== */
/*
@media (prefers-color-scheme: light) {
    :root {
        --bg: #f0f0f0;
        --txt: #111;
        --card: #fff;
        --border: rgba(255, 69, 0, .1);
    }

    body {
        background: var(--bg);
        color: var(--txt);
    }

    .intro-logo,
    h1, h2,
    .container-text p,
    .container_text,
    label {
        color: var(--txt);
    }

    .contact input,
    .contact textarea {
        background: var(--card);
        border: 1px solid var(--border);
        color: var(--txt);
    }

    #submitMessage {
        color: var(--txt);
    }

    .btn.primary {
        color: #fff;
    }

    .card {
        background: linear-gradient(180deg, rgba(122, 122, 122, 0.02), rgba(87, 87, 87, 0));
        border: 1px solid var(--border);
        border-radius: var(--rounded);
        padding: var(--card-pad);
        box-shadow: var(--shadow);
        position: relative;
        overflow: hidden;
        transition: transform .3s ease;
    }
    .marquee {
        background: rgba(255, 255, 255, .6);
    }
}
*/