/*
    ==========================================================
    PARAZO! — STYLE PRINCIPAL / VERSION NEON SYNTHWAVE
    ==========================================================

    Ce fichier conserve les classes et la structure du CSS d'origine.
    Le HTML n'a pas besoin d'être modifié.

    Le Hero reste volontairement dans son fichier style_hero.css.
*/

/* ==========================================================
   VARIABLES
   ========================================================== */

:root {
    /* Couleurs officielles de la charte */
    --color-1: #630279;      /* Violet foncé */
    --color-2: #ff0c75;      /* Rose néon */
    --color-3: #fd6f00;      /* Orange intense */
    --color-4: #ffa104;      /* Orange clair */
    --color-5: #0093fe;      /* Bleu néon */
    --color-light: #fffc6a;  /* Jaune */
    --color-dark: #271a30;   /* Violet très foncé */

    /* Surfaces dérivées uniquement de la charte */
    --surface-dark: #1b1222;
    --surface-dark-soft: #34213f;
    --surface-glass: rgba(39, 26, 48, 0.72);
    --surface-glass-light: rgba(99, 2, 121, 0.20);

    /* Bordures */
    --border-radius-l: 5rem;
    --border-radius-m: 2rem;
    --border-radius-s: 0.5rem;

    --border-size-l: 0.6rem;
    --border-size-m: 0.4rem;
    --border-size-s: 0.25rem;

    /* Espacements */
    --gap-l: 4rem;
    --gap-m: 2rem;
    --gap-s: 1rem;

    /* Néons */
    --glow-pink: 0 0 1rem rgba(255, 12, 117, 0.55),
                 0 0 3rem rgba(255, 12, 117, 0.20);

    --glow-blue: 0 0 1rem rgba(0, 147, 254, 0.55),
                 0 0 3rem rgba(0, 147, 254, 0.20);

    --glow-purple: 0 0 1.5rem rgba(99, 2, 121, 0.55),
                   0 0 4rem rgba(99, 2, 121, 0.28);
}

/* ==========================================================
   CLASSES UTILITAIRES — COULEURS FONT
   ========================================================== */

.font-color-1 { color: var(--color-1); }
.font-color-2 { color: var(--color-2); }
.font-color-3 { color: var(--color-3); }
.font-color-4 { color: var(--color-4); }
.font-color-5 { color: var(--color-5); }
.font-color-light { color: var(--color-light); }
.font-color-dark { color: var(--color-dark); }
.font-color-white { color: white; }

/* ==========================================================
   CLASSES UTILITAIRES — BACKGROUNDS
   ========================================================== */

.background-color-1 { background-color: var(--color-1); }
.background-color-2 { background-color: var(--color-2); }
.background-color-3 { background-color: var(--color-3); }
.background-color-4 { background-color: var(--color-4); }
.background-color-5 { background-color: var(--color-5); }
.background-color-light { background-color: var(--color-light); }
.background-color-dark { background-color: var(--color-dark); }

.background-color-gradient-1to2 {
    background-image: linear-gradient(135deg, var(--color-1), var(--color-2));
}

.background-color-gradient-1to3 {
    background-image: linear-gradient(135deg, var(--color-1), var(--color-3));
}

.background-color-gradient-1to4 {
    background-image: linear-gradient(135deg, var(--color-1), var(--color-4));
}

.background-color-gradient-1to5 {
    background-image: linear-gradient(135deg, var(--color-1), var(--color-5));
}

.background-color-gradient-3to2 {
    background-image: linear-gradient(135deg, var(--color-3), var(--color-2));
}

.background-color-gradient-3to4 {
    background-image: linear-gradient(135deg, var(--color-3), var(--color-4));
}

.background-color-gradient-2to4 {
    background-image: linear-gradient(135deg, var(--color-2), var(--color-4));
}

.background-color-gradient-2tolight {
    background-image:
        linear-gradient(145deg, rgba(255, 12, 117, 0.20), rgba(255, 252, 106, 0.08)),
        linear-gradient(145deg, var(--surface-dark-soft), var(--surface-dark));
}

.background-color-gradient-4tolight {
    background-image:
        linear-gradient(145deg, rgba(255, 161, 4, 0.18), rgba(255, 252, 106, 0.08)),
        linear-gradient(145deg, var(--surface-dark-soft), var(--surface-dark));
}

.background-color-gradient-5to4 {
    background-image: linear-gradient(135deg, var(--color-5), var(--color-4));
}

.background-color-gradient-5tolight {
    background-image:
        linear-gradient(145deg, rgba(0, 147, 254, 0.18), rgba(255, 252, 106, 0.06)),
        linear-gradient(145deg, var(--surface-dark-soft), var(--surface-dark));
}

.background-color-gradient-lightto2 {
    background-image: linear-gradient(135deg, var(--color-light), var(--color-2));
}

.background-color-gradient-darkto1 {
    background-image: linear-gradient(135deg, var(--color-dark), var(--color-1));
}

.background-color-gradient-1to5todark {
    background:
        radial-gradient(circle at bottom right, rgba(99, 2, 121, 0.60), transparent 55%),
        radial-gradient(circle at bottom left, rgba(0, 147, 254, 0.32), transparent 55%),
        radial-gradient(circle at top center, rgba(255, 12, 117, 0.15), transparent 45%),
        var(--surface-dark);
}

.background-color-gradient-size-200 {
    background-size: 200% 200%;
    background-position: 0 0;
}

/* ==========================================================
   ALIGNEMENT
   ========================================================== */

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

.align-self-start { align-self: flex-start; }
.align-self-center { align-self: center; }
.align-self-end { align-self: flex-end; }

/* ==========================================================
   BASE
   ========================================================== */

* {
    box-sizing: border-box;
    font-family: Sen, 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

html {
    font-size: 8px;
    background-color: var(--surface-dark);
    color: white;
    scroll-behavior: smooth;
}

body {
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;

    color: white;
    background:
        radial-gradient(circle at 10% 30%, rgba(99, 2, 121, 0.28), transparent 35rem),
        radial-gradient(circle at 90% 70%, rgba(0, 147, 254, 0.12), transparent 35rem),
        var(--surface-dark);
}

main {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--gap-l);
}

section {
    box-sizing: border-box;
    width: 70%;
    padding: 5rem;
    border-radius: var(--border-radius-l);
}

h1,
h2,
h3 {
    margin-top: 0;
}

h1 {
    font-size: 5rem;
    line-height: 1.1;
}

h2 {
    font-size: 2.5rem;
    line-height: 1.2;
}

h3 {
    font-size: 2rem;
}

p,
a,
form,
input,
textarea,
button {
    font-size: 1.8rem;
}

p {
    color: rgba(255, 255, 255, 0.84);
    line-height: 1.65;
}

a {
    font-weight: bold;
    text-decoration: none;
}

strong {
    color: var(--color-light);
    font-weight: 700;
}

/* ==========================================================
   SECTIONS GENERIQUES
   ========================================================== */

.section {
    position: relative;
    overflow: hidden;

    color: white;
    background-color: var(--surface-glass);

    border: 1px solid rgba(255, 255, 255, 0.10);
    box-shadow:
        0 2rem 6rem rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.section::after {
    content: "";
    position: absolute;
    left: 8%;
    right: 8%;
    top: 0;
    height: 1px;

    background: linear-gradient(
        90deg,
        transparent,
        var(--color-2),
        var(--color-5),
        transparent
    );

    box-shadow: 0 0 1.6rem rgba(255, 12, 117, 0.45);
    opacity: 0.70;
    pointer-events: none;
}

.section-pos {
    background:
        radial-gradient(circle at top right, rgba(0, 147, 254, 0.12), transparent 40%),
        linear-gradient(145deg, var(--surface-dark-soft), var(--surface-dark));

    border: 1px solid rgba(0, 147, 254, 0.25);
}

.invisible { opacity: 0; }
.visible { opacity: 1; }

/* ==========================================================
   PARALLAX / BLOC D'INTRODUCTION
   ========================================================== */

.parallax {
    position: relative;
    width: 100%;

    display: flex;
    flex-direction: column;
    align-items: center;
    row-gap: var(--gap-l);

    padding-top: var(--gap-l);
    padding-bottom: var(--gap-l);

    border-radius: 0;
    overflow: hidden;

    background:
        linear-gradient(
            180deg,
            var(--surface-dark) 0%,
            #30123d 22%,
            var(--color-1) 46%,
            #491549 67%,
            var(--surface-dark) 100%
        );
}

.parallax::before {
    content: "";
    position: absolute;
    inset: 0;

    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px),
        url("img/stars2.svg");

    background-size:
        8rem 8rem,
        8rem 8rem,
        cover;

    background-position: center;
    opacity: 0.55;
    pointer-events: none;
}

.parallax .title {
    position: relative;
}

.parallax .stars {
    position: absolute;
    width: 100%;
    transform: translateZ(-1px) scale(2);
    transform-style: preserve-3d;
}

.parallax section {
    position: relative;
    z-index: 1;

    backdrop-filter: blur(2rem);
    -webkit-backdrop-filter: blur(2rem);

    transform-style: preserve-3d;
}

.parallax .title h1 {
    color: var(--color-light);
    text-shadow:
        0 0 0.8rem rgba(255, 252, 106, 0.22),
        0 0 2rem rgba(255, 12, 117, 0.25);
}

.parallax .title h2 {
    color: rgba(255, 255, 255, 0.78);
    font-weight: 500;
}

/* ==========================================================
   ETATS / TRANSITIONS
   ========================================================== */

.anim-trans {
    transition:
        background-position .8s ease-out,
        box-shadow 0.3s ease,
        translate 0.3s ease,
        transform 0.35s ease,
        background-color 0.3s ease,
        opacity 0.7s ease,
        border-color 0.3s ease;
}

.scale:hover {
    transform: translateY(-0.5rem) scale(1.02);
}

.scale-clic:active {
    transform: scale(0.97);
}

.color-clic:active {
    background-color: var(--color-5);
}

.background-color-gradient-hover:hover {
    background-position: 100% 0;
}

.focus:focus-visible {
    outline: var(--border-size-s) solid var(--color-5);
    outline-offset: 0.5rem;
}

/* ==========================================================
   OMBRES / GLOWS
   ========================================================== */

.box-shadow-l {
    box-shadow:
        0 2rem 6rem rgba(0, 0, 0, 0.35),
        0 0 3rem rgba(99, 2, 121, 0.25);
}

.box-shadow-m {
    box-shadow:
        0 1.5rem 4rem rgba(0, 0, 0, 0.30),
        0 0 2rem rgba(255, 12, 117, 0.14);
}

.box-shadow-s {
    box-shadow:
        0 1rem 2.5rem rgba(0, 0, 0, 0.28),
        0 0 1rem rgba(0, 147, 254, 0.14);
}

.box-shadow-l-hover:hover {
    box-shadow:
        0 2rem 6rem rgba(0, 0, 0, 0.38),
        var(--glow-pink);
}

.box-shadow-m-hover:hover {
    box-shadow:
        0 1.5rem 4rem rgba(0, 0, 0, 0.32),
        var(--glow-purple);
}

.box-shadow-s-hover:hover {
    box-shadow:
        0 1rem 3rem rgba(0, 0, 0, 0.30),
        var(--glow-blue);
}

/* ==========================================================
   BOUTONS
   ========================================================== */

.btn {
    position: relative;
    isolation: isolate;

    width: auto;
    padding: 1.4rem 2rem;

    border: 2px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--border-radius-s);

    color: white;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 0.03em;

    cursor: pointer;
    align-self: start;

    box-shadow:
        0 0.8rem 2rem rgba(0, 0, 0, 0.25),
        0 0 1.4rem rgba(255, 12, 117, 0.14);
}

.btn:hover {
    border-color: rgba(255, 255, 255, 0.34);
}

/* ==========================================================
   CARDS
   ========================================================== */

.card {
    box-sizing: border-box;
    position: relative;

    width: 23%;
    min-width: 150px;
    overflow: hidden;

    border-radius: var(--border-radius-m);
    border: 1px solid rgba(255, 255, 255, 0.10);

    display: flex;
    flex-direction: column;
    align-items: flex-start;
    align-self: stretch;

    color: white;
}

.card::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 2px;

    background: linear-gradient(
        90deg,
        var(--color-2),
        var(--color-3),
        var(--color-5)
    );

    box-shadow: 0 0 1.5rem rgba(255, 12, 117, 0.60);
    z-index: 3;
}

.card-img {
    width: 100%;
    object-fit: contain;

    padding: 2rem;
    background-color: white;

    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.card-img img {
    width: 100%;
}

.card-body {
    flex: 1;
    width: 100%;
    padding: 2.5rem;

    display: flex;
    flex-direction: column;
    justify-content: flex-start;

    color: white;
}

.card-body h2,
.card-body h3 {
    color: var(--color-light);
}

.card-body p {
    color: rgba(255, 255, 255, 0.80);
}

.card-body.font-color-dark,
.card-body.font-color-dark h2,
.card-body.font-color-dark h3,
.card-body.font-color-dark p {
    color: inherit;
}

.card-body.font-color-dark {
    color: white;
}

.card-body.font-color-dark h2,
.card-body.font-color-dark h3 {
    color: var(--color-light);
}

.card-body.font-color-dark p {
    color: rgba(255, 255, 255, 0.80);
}

.anim-scroll-card {
    opacity: 0;
    transform: translateY(50px);
}

.anim-scroll-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================
   NAVIGATION
   ========================================================== */

.menu_hamburger {
    display: none;
}

header {
    display: flex;
    flex-direction: row;
    height: auto;
    width: 100%;
    justify-content: space-between;

    border-bottom: 1px solid rgba(255, 12, 117, 0.45);

    background: rgba(39, 26, 48, 0.90);
    backdrop-filter: blur(1.5rem);
    -webkit-backdrop-filter: blur(1.5rem);

    box-shadow: 0 0 2rem rgba(255, 12, 117, 0.15);
}

.logo_mobile {
    display: none;
}

.logo_desktop {
    display: inline-block;
    height: 10em;
}

nav {
    width: 50%;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
}

nav div {
    width: 25%;
    text-align: center;
}

nav a {
    color: white;
    transition:
        transform 0.3s ease,
        color 0.3s ease,
        text-shadow 0.3s ease;
}

nav a:hover {
    transform: translateY(-0.2rem);
    color: var(--color-light);
    text-shadow: 0 0 1rem rgba(255, 12, 117, 0.60);
}

.current-page {
    font-size: 2rem;
    font-weight: bold;
    color: var(--color-light);
    text-decoration: none;
    text-shadow: 0 0 1rem rgba(255, 12, 117, 0.55);
}

/* ==========================================================
   TITRES
   ========================================================== */

.title {
    text-align: center;
}

.title h2 {
    color: rgba(255, 255, 255, 0.80);
}

/* ==========================================================
   PRESENTATION
   ========================================================== */

.presentation-content {
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    justify-content: space-between;
    gap: var(--gap-l);
}

.presentation-content-logo img {
    max-width: 800px;
    width: 100%;

    filter:
        drop-shadow(0 0 1rem rgba(255, 12, 117, 0.18))
        drop-shadow(0 0 3rem rgba(99, 2, 121, 0.20));
}

.presentation-content-text {
    display: flex;
    flex-direction: column;
    color: white;
    gap: var(--gap-m);
}

.presentation-content-text h2 {
    color: var(--color-light);
}

.presentation-content-text p {
    color: rgba(255, 255, 255, 0.82);
}

.presentation-content-buttons {
    display: flex;
    flex-direction: row;
    gap: var(--gap-m);
}

.localisation-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--gap-s);
    font-size: 2em;
}

.tag {
    display: inline-flex;
    align-items: center;

    padding: 0.8rem 1.2rem;

    color: white;
    background-color: rgba(39, 26, 48, 0.72);

    border: 1px solid rgba(0, 147, 254, 0.25);
    border-radius: 999px;

    box-shadow: 0 0 1.2rem rgba(0, 147, 254, 0.10);
}

/* ==========================================================
   MISSIONS / PROJETS
   ========================================================== */

.pres-missions {
    display: flex;
    flex-direction: column;
    gap: var(--gap-l);
}

.pres-missions > h2 {
    position: relative;
    width: fit-content;

    color: var(--color-light);
    text-shadow: 0 0 1rem rgba(255, 12, 117, 0.25);
}

.pres-missions > h2::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1rem;

    width: 55%;
    height: 2px;

    background: linear-gradient(90deg, var(--color-2), var(--color-5), transparent);
    box-shadow: 0 0 1rem rgba(255, 12, 117, 0.40);
}

.pres-missions-cards {
    width: 100%;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: center;
    gap: var(--gap-l);
}

.pres-missions .card {
    flex: 1 1 calc(25% - var(--gap-l));
    max-width: calc(25% - var(--gap-l));
}

/* ==========================================================
   CONTACT
   ========================================================== */

.contacts {
    position: relative;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--gap-l);

    color: white;

    background:
        radial-gradient(circle at 20% 20%, rgba(255, 12, 117, 0.22), transparent 32%),
        radial-gradient(circle at 80% 80%, rgba(0, 147, 254, 0.18), transparent 34%),
        linear-gradient(145deg, var(--surface-dark-soft), var(--surface-dark));

    border: 1px solid rgba(255, 255, 255, 0.10);
}

.contacts h2 {
    font-size: 5rem;
    color: var(--color-light);
    text-shadow: 0 0 1.5rem rgba(255, 12, 117, 0.25);
}

.contact-form {
    width: 75%;
    padding: var(--gap-l);

    border-radius: var(--border-radius-m);
    border: 1px solid rgba(255, 12, 117, 0.20);

    background:
        linear-gradient(145deg, rgba(99, 2, 121, 0.18), transparent),
        rgba(27, 18, 34, 0.90);
}

.form {
    display: flex;
    flex-direction: column;
    gap: var(--gap-m);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--gap-s);
}

.form-group label {
    color: rgba(255, 255, 255, 0.82);
    font-weight: 700;
}

.focus-form {
    padding: 1.4rem;

    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--border-radius-s);

    color: white;
    background-color: rgba(255, 255, 255, 0.05);

    transition:
        border-color 0.25s ease,
        box-shadow 0.25s ease,
        background-color 0.25s ease;
}

.focus-form::placeholder {
    color: rgba(255, 255, 255, 0.42);
}

.focus-form:focus {
    outline: none;

    border-color: var(--color-2);
    background-color: rgba(99, 2, 121, 0.14);

    box-shadow:
        0 0 0 1px rgba(255, 12, 117, 0.30),
        0 0 1.5rem rgba(255, 12, 117, 0.15);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-form {
    width: 25%;
}

#contact-form-inside.invisible {
    display: none;
}

#contact-form-send {
    display: none;
    padding: 5rem;
}

#contact-form-send p {
    font-size: 4rem;
    color: var(--color-light);
}

#contact-form-send.visible {
    display: block;
}

/* ==========================================================
   RESEAUX SOCIAUX
   ========================================================== */

.contact-socials {
    width: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.socials {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: var(--gap-m);
    width: 100%;
}

.socials img {
    width: clamp(3rem, 30%, 20rem);
    height: auto;

    filter: drop-shadow(0 0 1rem rgba(255, 12, 117, 0.15));
}

/* ==========================================================
   SLIDER
   ========================================================== */

.slider-container {
    position: relative;
    width: 100%;
    margin: auto;

    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.slider-slides img {
    width: 100%;
    overflow: hidden;

    border-radius: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.12);

    box-shadow:
        0 1rem 3rem rgba(0, 0, 0, 0.30),
        0 0 2rem rgba(99, 2, 121, 0.16);
}

.slider-btn {
    width: 10%;
}

.slider-previous {
    left: 10px;
}

.slider-next {
    right: 10px;
}

.slider-slide {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.2s ease;
}

.slider-slide-visible {
    transform: scale(1);
    opacity: 1;
}

/* ==========================================================
   FOOTER
   ========================================================== */

footer {
    width: 100%;
    padding: var(--gap-m);

    text-align: center;

    background-color: var(--surface-dark);
    border-top: 1px solid rgba(255, 12, 117, 0.18);
}

footer p {
    margin: 0;
    color: rgba(255, 255, 255, 0.55);
}

/* ==========================================================
   RESPONSIVE
   ========================================================== */

@media screen and (max-width: 1260px) {
    .pres-missions .card {
        flex: 1 1 calc(50% - var(--gap-l));
        max-width: calc(50% - var(--gap-l));
    }
}

@media screen and (max-width: 985px) {
    section {
        width: 90%;
        padding: 3rem;
    }

    .presentation-content {
        flex-direction: column;
    }

    .pres-missions-cards {
        justify-content: center;
    }

    .pres-missions .card {
        flex: 1 1 40%;
        max-width: 45%;
    }

    .contact-form {
        width: 90%;
    }
}

@media screen and (max-width: 600px) {
    section {
        width: 95%;
        padding: 2rem;
        border-radius: 2rem;
    }

    h1 {
        font-size: 3.2rem;
    }

    h2 {
        font-size: 2.4rem;
    }

    .presentation-content-buttons {
        flex-direction: column;
    }

    .pres-missions .card {
        flex: 1 1 100%;
        max-width: 100%;
    }

    .card-body {
        padding: 2rem;
    }

    .card-img {
        aspect-ratio: 16 / 10;
    }

    .contact-form {
        width: 100%;
        padding: var(--gap-m);
    }

    .btn-form {
        width: 100%;
    }

    .contacts h2 {
        font-size: 3.5rem;
    }

    .localisation-tags {
        font-size: 1.7rem;
    }
}

/* ==========================================================
   REDUCTION DES MOUVEMENTS
   ========================================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}