*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-root: #09050f;
    --bg-deep: #0d0520;
    --bg-card: #120828;
    --bg-card-alt: #1a0d35;
    --border-faint: #1e0f38;
    --border-dim: #2d1a4a;
    --border-mid: #3d1f7a;
    --border-main: #5b21b6;
    --purple-deep: #3d1f7a;
    --purple-main: #7c4dff;
    --purple-vivid: #7c4dff;
    --purple-light: #aa44ff;
    --purple-pale: #c4a8ff;
    --purple-muted: #9b7ed0;
    --text-primary: #ede0ff;
    --text-secondary: #b59dd4;
    --text-muted: #6b4fa0;
    --text-faint: #a891c4;
    --font-display: 'Cormorant Garamond', 'Georgia', serif;
    --font-body: 'DM Sans', 'Inter', sans-serif;
    --r-sm: 6px;
    --r-md: 10px;
    --r-lg: 16px;
    --r-xl: 22px;
    --rainbow-red: #ff3366;
    --rainbow-orange: #ff8a00;
    --rainbow-gold: #ffd500;
    --rainbow-lime: #a8ff00;
    --rainbow-green: #00ff95;
    --rainbow-cyan: #00eaff;
    --rainbow-blue: #3b82ff;
    --rainbow-indigo: #6f5cff;
    --rainbow-violet: #aa44ff;
    --rainbow-pink: #ff5ecf;
}

html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.65;
    min-height: 100vh;
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: var(--font-body); border: none; background: none; }
img { display: block; max-width: 100%; }


/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 48px;
    background: rgba(9, 5, 15, 0.88);
    border-bottom: 0.5px solid var(--border-faint);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    position: relative;
}

.logo {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 500;
    color: var(--purple-pale);
    letter-spacing: 3px;
}
.logo span { color: var(--purple-vivid); }

.nav-links { display: flex; gap: 36px; }

.nav-link {
    font-size: 13px;
    color: var(--text-muted);
    letter-spacing: 0.8px;
    transition: color 0.2s;
}
.nav-link:hover, .nav-link.active { color: var(--purple-pale); }

.nav-cta {
    font-size: 12px;
    color: var(--purple-pale);
    background: transparent;
    border: 0.5px solid var(--border-main);
    padding: 9px 22px;
    border-radius: var(--r-sm);
    letter-spacing: 1.5px;
    transition: background 0.2s, color 0.2s;
}
.nav-cta:hover { background: var(--purple-main); color: white; }

/* Hamburger — masqué sur desktop */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}
.nav-hamburger span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--purple-pale);
    border-radius: 2px;
    transition: transform 0.25s, opacity 0.2s;
}

/* Menu mobile déroulant */
.nav-mobile {
    display: none;
    flex-direction: column;
    background: rgba(9, 5, 15, 0.98);
    border-top: 0.5px solid var(--border-faint);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 99;
    padding: 8px 0 16px;
}
.nav-mobile.open { display: flex; }
.nav-mobile .nav-link {
    padding: 13px 24px;
    font-size: 14px;
    border-bottom: 0.5px solid var(--border-faint);
}
.nav-mobile .nav-link:last-child { border-bottom: none; }


/* ============================================================
   STRUCTURE PAGE CONTACT
   ============================================================ */
.contact-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 72px 48px;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
}

.eyebrow {
    display: inline-block;
    font-size: 11px;
    color: var(--purple-vivid);
    letter-spacing: 3px;
    margin-bottom: 22px;
    font-family: var(--font-body);
}

/* --- Colonne Gauche --- */
.contact-info h2 {
    font-family: var(--font-display);
    font-size: 60px;
    font-weight: 400;
    line-height: 1.08;
    color: var(--text-primary);
    margin-bottom: 22px;
    letter-spacing: -0.5px;
}
.contact-info h2 em { font-style: italic; color: var(--purple-light); }

.contact-desc {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 460px;
    margin-bottom: 40px;
}

.direct-channels { display: flex; flex-direction: column; gap: 16px; max-width: 460px; }

.channel-item {
    background: var(--bg-card);
    border: 0.5px solid var(--border-faint);
    padding: 22px;
    border-radius: var(--r-lg);
    transition: border-color 0.25s, background 0.25s;
}
.channel-item:hover { background: var(--bg-card-alt); border-color: var(--border-mid); }

.channel-label {
    font-size: 10px;
    color: var(--purple-vivid);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 6px;
    font-family: var(--font-body);
}
.channel-value { font-size: 16px; color: var(--text-primary); letter-spacing: 0.5px; }

/* --- Colonne Droite : Formulaire --- */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 0.5px solid var(--border-faint);
    border-radius: var(--r-xl);
    padding: 48px;
    align-self: start;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
}

.form-group label {
    font-size: 12px;
    color: var(--text-secondary);
    letter-spacing: 0.8px;
}

.form-control {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-root);
    border: 0.5px solid var(--border-dim);
    border-radius: var(--r-md);
    padding: 14px 20px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:focus { border-color: var(--purple-main); }

textarea.form-control {
    resize: vertical;
    min-height: 140px;
    line-height: 1.6;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--purple-main);
    color: white;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    padding: 14px 28px;
    border-radius: var(--r-md);
    border: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: #4c1b9a; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-submit { width: 100%; justify-content: center; letter-spacing: 1px; }


/* ============================================================
   ANIMATIONS
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
    .contact-info         { animation: fade-up 0.55s ease both; }
    .contact-form-wrapper { animation: fade-up 0.55s 0.12s ease both; }

    @keyframes fade-up {
        from { opacity: 0; transform: translateY(20px); }
        to   { opacity: 1; transform: translateY(0); }
    }
}


/* ============================================================
   RESPONSIVE — 1024px  Tablette large
   ============================================================ */
@media (max-width: 1024px) {

    .contact-container { gap: 48px; padding: 56px 36px; }

    .contact-info h2 { font-size: 50px; }
}


/* ============================================================
   RESPONSIVE — 860px  Tablette portrait
   ============================================================ */
@media (max-width: 860px) {

    /* ── Navbar ── */
    .navbar { padding: 14px 20px; }
    .nav-links, .nav-cta { display: none; }
    .nav-hamburger { display: flex; }

    /* ── Layout : 1 colonne ── */
    .contact-container {
        grid-template-columns: 1fr;
        padding: 40px 24px 48px;
        gap: 40px;
    }

    .contact-info h2    { font-size: 42px; }
    .contact-desc       { max-width: 100%; }
    .direct-channels    { max-width: 100%; }

    .contact-form-wrapper { padding: 36px 28px; }
}


/* ============================================================
   RESPONSIVE — 580px  Mobile
   ============================================================ */
@media (max-width: 580px) {

    /* ── Contact infos ── */
    .contact-container { padding: 28px 16px 40px; gap: 28px; }

    .contact-info h2 { font-size: 34px; letter-spacing: -0.3px; }
    .eyebrow         { font-size: 10px; letter-spacing: 2px; }
    .contact-desc    { font-size: 14px; margin-bottom: 28px; }

    .channel-item    { padding: 16px; }
    .channel-value   { font-size: 14px; }

    /* ── Formulaire ── */
    .contact-form-wrapper {
        padding: 24px 16px;
        border-radius: var(--r-lg);
    }

    .form-group-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .form-control { padding: 12px 16px; font-size: 13px; }

    textarea.form-control { min-height: 120px; }

    .btn-submit { font-size: 13px; padding: 13px 20px; }
}


/* ============================================================
   RESPONSIVE — 360px  Très petit mobile
   ============================================================ */
@media (max-width: 360px) {

    .contact-info h2 { font-size: 28px; }
    .channel-value   { font-size: 13px; }
    .channel-item    { padding: 14px; }
}