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

:root {
    --bg-dark: #0a0b10;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --accent-gradient: linear-gradient(135deg, #ff9966, #ff5e62);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: rgba(0, 0, 0, 0.3);
    --font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

/* --- BLOBS VIBRANTS DE FOND --- */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: 1;
    opacity: 0.45;
    pointer-events: none;
    animation: pulse 12s infinite alternate ease-in-out;
}
.blob-1 { width: 400px; height: 400px; background: radial-gradient(circle, #ff9966 0%, transparent 70%); top: -10%; left: -10%; }
.blob-2 { width: 500px; height: 500px; background: radial-gradient(circle, #6573ff 0%, transparent 70%); bottom: -15%; right: -10%; animation-delay: -4s; }
.blob-3 { width: 300px; height: 300px; background: radial-gradient(circle, #ff5e62 0%, transparent 70%); top: 40%; left: 45%; animation-delay: -8s; }

@keyframes pulse {
    0% { transform: scale(1) translate(0px, 0px); }
    100% { transform: scale(1.2) translate(40px, -60px); }
}

/* --- CONTENEUR GLASSMORPHISM RESPONSIVE --- */
.contact-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1100px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: 0 20px 50px var(--glass-shadow);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: grid;
    grid-template-columns: 1fr;
    overflow: hidden;
}

@media (min-width: 768px) {
    .contact-container { grid-template-columns: 45% 55%; }
}

.contact-info {
    padding: 3rem;
    background: rgba(255, 255, 255, 0.01);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 3rem;
}

@media (min-width: 768px) {
    .contact-info { border-bottom: none; border-right: 1px solid var(--glass-border); }
}

.info-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #ffffff, #d1d5db);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle { color: var(--text-muted); line-height: 1.6; margin-bottom: 2.5rem; }

.contact-details { display: flex; flex-direction: column; gap: 1.2rem; }
.info-item { display: flex; align-items: center; gap: 1rem; }
.info-item .icon {
    width: 36px; height: 36px; background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.info-item a { color: var(--text-main); text-decoration: none; transition: color 0.3s; }
.info-item a:hover { color: #ff9966; }

.socials { display: flex; gap: 1.5rem; }
.social-link {
    color: var(--text-muted); text-decoration: none; font-size: 0.85rem;
    font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
    transition: color 0.3s, transform 0.3s;
}
.social-link:hover { color: var(--text-main); transform: translateY(-2px); }

/* --- FORMULAIRE ET EFFETS SUR CHAMPS DE SAISIE --- */
.contact-form-wrapper { padding: 3rem; display: flex; flex-direction: column; justify-content: center; }
.form-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 640px) { .form-grid { grid-template-columns: 1fr 1fr; } }

.input-group { position: relative; margin-bottom: 2.5rem; }
.input-group input, .input-group textarea {
    width: 100%; padding: 0.8rem 0; background: transparent; border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2); color: var(--text-main);
    font-size: 1rem; font-family: inherit; outline: none; transition: border-color 0.4s;
}
.input-group textarea { resize: none; }

/* Label flottant créatif */
.input-group label {
    position: absolute; top: 0.8rem; left: 0; color: var(--text-muted);
    font-size: 1rem; pointer-events: none;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Ligne animée sous le champ */
.input-line {
    position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
    background: var(--accent-gradient); transition: width 0.4s ease;
}

/* États déclenchés au Focus et quand le champ n'est pas vide */
.input-group input:focus ~ label,
.input-group input:not(:placeholder-shown) ~ label,
.input-group textarea:focus ~ label,
.input-group textarea:not(:placeholder-shown) ~ label {
    top: -1.2rem; font-size: 0.8rem; color: #ff9966; font-weight: 600;
}
.input-group input:focus ~ .input-line,
.input-group textarea:focus ~ .input-line { width: 100%; }
.input-group input:hover, .input-group textarea:hover { border-bottom-color: rgba(255, 255, 255, 0.4); }

/* --- BOUTON DE SOUMISSION ANIMÉ --- */
.submit-btn {
    position: relative; width: 100%; padding: 1.2rem; background: var(--accent-gradient);
    border: none; border-radius: 12px; color: white; font-size: 1rem; font-weight: 600;
    cursor: pointer; overflow: hidden; display: flex; align-items: center; justify-content: center; gap: 0.8rem;
    box-shadow: 0 4px 15px rgba(255, 94, 98, 0.3); transition: transform 0.3s, box-shadow 0.3s;
}
.submit-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(255, 94, 98, 0.5); }
.submit-btn:active { transform: translateY(1px); }
.btn-arrow { transition: transform 0.3s ease; }
.submit-btn:hover .btn-arrow { transform: translateX(4px); }

/* Gestion des statuts de retour */
.hidden { display: none !important; }
.form-status { padding: 1rem; border-radius: 8px; margin-bottom: 1.5rem; text-align: center; font-size: 0.9rem; }
.form-status.success { background: rgba(16, 185, 129, 0.15); border: 1px solid rgba(16, 185, 129, 0.3); color: #34d399; }
.form-status.error { background: rgba(239, 68, 68, 0.15); border: 1px solid rgba(239, 68, 68, 0.3); color: #f87171; }

.btn-loader {
    width: 20px; height: 20px; border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white; border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }