/* --- VARIABLES & RESET --- */
:root {
    --rose-pastel: #E8A7B5;
    --rose-fonce: #d68a9a;
    --gris-texte: #7F7F7F;
    --gris-clair: #f8f9fa;
    --blanc: #ffffff;
    --font-titre: 'Great Vibes', cursive;
    --font-texte: 'Montserrat', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* Correction Footer : Structure Flexbox pour pousser le footer en bas */
body {
    font-family: var(--font-texte);
    color: var(--gris-texte);
    background-color: var(--blanc);
    font-weight: 300;
    line-height: 1.6;
    padding-top: 70px; /* Espace pour la navbar fixe */
    padding-bottom: 80px; /* Espace pour le bandeau RSVP mobile */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3 { font-family: var(--font-titre); font-weight: 400; color: var(--rose-pastel); }
h1 { font-size: 4.5rem; line-height: 1.2; margin: 10px 0; }
h2 { font-size: 3rem; margin-bottom: 30px; text-align: center; }
h3 { font-size: 1.8rem; margin-bottom: 10px; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }

/* --- NAVIGATION --- */
nav {
    position: fixed; top: 0; width: 100%; background: rgba(255,255,255,0.95);
    z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    backdrop-filter: blur(10px);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; height: 70px; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.nav-logo { font-family: var(--font-titre); font-size: 2rem; color: var(--rose-pastel); }
.nav-links { display: flex; list-style: none; gap: 30px; }
.nav-links a { text-transform: uppercase; font-size: 0.8rem; letter-spacing: 1px; color: var(--gris-texte); }
.nav-links a:hover { color: var(--rose-pastel); }
.btn-nav { border: 1px solid var(--rose-pastel); padding: 8px 20px; border-radius: 20px; color: var(--rose-pastel) !important; }
.btn-nav:hover { background: var(--rose-pastel); color: white !important; }

/* --- BURGER MENU (MOBILE) --- */
.burger { display: none; cursor: pointer; }
.burger div { width: 25px; height: 2px; background-color: var(--gris-texte); margin: 5px; transition: all 0.3s ease; }

/* --- HERO SECTION --- */
#accueil {
    height: 100vh;
    background: linear-gradient(rgba(255,255,255,0.4), rgba(255,255,255,0.4)), url('https://images.unsplash.com/photo-1511285560982-1351cdeb9821?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover; background-position: center; background-attachment: fixed;
    display: flex; align-items: center; justify-content: center; text-align: center;
    position: relative;
    margin-top: -70px; /* Compensate padding-top of body */
}
.hero-content { 
    background: rgba(255,255,255,0.9) url('../images/dessin.png') no-repeat center center; 
    background-size: contain; 
    background-blend-mode: lighten;
    padding: 60px 80px; 
    max-width: 900px;
    border-radius: 8px;
    border: 1px solid rgba(232, 167, 181, 0.2); 
    box-shadow: 0 15px 40px rgba(0,0,0,0.08); 
}
.intro-date { font-size: 1.2rem; letter-spacing: 4px; border-bottom: 1px solid var(--gris-texte); display: inline-block; padding-bottom: 10px; }
.intro-sub { font-size: 1.5rem; letter-spacing: 2px; text-transform: uppercase; margin-top: 10px; }
.countdown { margin-top: 20px; font-size: 2rem; color: var(--rose-pastel); font-family: var(--font-titre); }

/* --- SCROLL DOWN INDICATOR --- */
.scroll-text {
    position: absolute; bottom: 80px; left: 50%; transform: translateX(-50%);
    font-size: 0.9rem; color: rgba(232, 167, 181, 0.9);
    text-transform: uppercase; letter-spacing: 1px; font-weight: 300;
}
.scroll-down {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    font-size: 2rem; color: rgba(232, 167, 181, 0.8);
    animation: bounce 2s infinite; cursor: pointer; transition: color 0.3s ease;
}
.scroll-down:hover { color: var(--rose-pastel); }

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* --- SECTIONS --- */
section { padding: 80px 0; }
.bg-light { background-color: var(--gris-clair); }
.bg-white { background-color: white; }

/* --- INFOS GRID RESPONSIVE --- */
.info-grid-responsive {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 40px auto;
    max-width: 1200px;
}
.info-card-modern {
    background: white;
    padding: 40px 30px;
    border-radius: 4px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    text-align: center;
    border: 1px solid #f0f0f0;
}
.info-card-modern:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(232, 167, 181, 0.15); }
.info-icon { font-size: 2.5rem; color: var(--rose-pastel); margin-bottom: 20px; }
.info-card-modern h3 { font-size: 1.6rem; margin-bottom: 15px; color: var(--rose-fonce); }
.btn-outline { 
    display: inline-block; 
    border: 1px solid var(--rose-pastel); 
    padding: 10px 25px; 
    border-radius: 50px; 
    color: var(--rose-pastel); 
    margin-top: 15px; 
    transition: 0.3s;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.btn-outline:hover { background: var(--rose-pastel); color: white; }

/* --- RSVP SECTION (STYLE PAPIER & CENTRAGE) --- */

/* Conteneur flexible pour gérer le centrage automatique */
.rsvp-grid {
    display: flex;
    justify-content: center; /* Centre le formulaire quand il est seul */
    align-items: flex-start;
    gap: 50px;
    max-width: 1200px;
    margin: 40px auto 0;
    flex-wrap: wrap;
}

/* Le formulaire style "Carte Papier" */
.form-card {
    background-color: #fff;
    box-shadow: 0 15px 35px rgba(0,0,0,0.08), 0 5px 15px rgba(0,0,0,0.03);
    border-radius: 2px;
    padding: 50px;
    flex: 0 1 550px; /* Largeur idéale */
    width: 100%;
    border: 1px solid #f7f7f7;
    position: relative;
    transition: all 0.5s ease;
}

/* Styles des champs style "Ligne d'écriture" */
.form-group { margin-bottom: 25px; text-align: left; }
.form-group label { 
    display: block; 
    margin-bottom: 8px; 
    font-weight: 500; 
    color: #555; 
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid #e0e0e0;
    border-radius: 0;
    font-family: var(--font-texte);
    font-size: 1.1rem;
    color: #333;
    transition: border-color 0.3s ease;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--rose-pastel);
    background: linear-gradient(to bottom, transparent 95%, rgba(232, 167, 181, 0.05) 100%);
}

/* Bouton principal "Confirmer" */
.btn-full {
    width: 100%;
    background: var(--rose-pastel);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    transition: 0.3s;
    margin-top: 10px;
    box-shadow: 0 4px 15px rgba(232, 167, 181, 0.4);
}
.btn-full:hover { background: var(--rose-fonce); transform: translateY(-2px); }

/* Colonne Programme (invisible par défaut) */
.rsvp-program-column {
    flex: 0 1 420px;
    background: #fff;
    padding: 40px;
    border-radius: 2px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    border: 1px solid #f7f7f7;
    display: none; /* Masqué par défaut (géré par JS) */
    text-align: center;
}

.rsvp-program-column h3 {
    font-family: var(--font-titre);
    color: var(--rose-pastel);
    font-size: 2.5rem;
    margin-bottom: 30px;
    border-bottom: 1px solid rgba(232, 167, 181, 0.2);
    padding-bottom: 15px;
}

/* Timeline personnalisée dans la colonne programme */
.compact-timeline { list-style: none; padding: 0; text-align: left; }
.compact-timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}
.compact-icon {
    width: 55px;
    height: 55px;
    object-fit: contain;
    margin-right: 20px;
    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.05));
}
.compact-body { flex: 1; }
.compact-time {
    font-family: var(--font-titre);
    font-size: 1.6rem;
    color: var(--rose-pastel);
    line-height: 1;
    display: block;
}
.compact-title {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    color: #555;
    margin-top: 2px;
    letter-spacing: 1px;
}
.compact-desc {
    font-size: 0.85rem;
    color: #888;
    margin-top: 2px;
    font-style: italic;
}

/* --- CONTACT SECTION --- */
.contact-section { margin-top: 60px; max-width: 800px; margin-left: auto; margin-right: auto; }
.contact-form-modern { display: grid; gap: 20px; }
.form-row-responsive { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-form-modern input, .contact-form-modern textarea, .contact-form-modern select {
    width: 100%; padding: 14px; border: 1px solid #ddd; border-radius: 4px;
    font-family: var(--font-texte);
}
.btn-primary { 
    background: var(--gris-texte); color: white; border: none; padding: 12px 30px; 
    border-radius: 50px; cursor: pointer; text-transform: uppercase; letter-spacing: 1px; 
    justify-self: center; min-width: 200px;
}

/* --- FOOTER & FLOATING BTNS --- */
footer { 
    background: #333; 
    color: white; 
    text-align: center; 
    padding: 30px; 
    font-size: 0.8rem;
    /* Correction Footer : margin-top auto le pousse en bas du conteneur flex */
    margin-top: auto; 
    width: 100%;
}

/* Bouton "Pilule" en haut à droite (Desktop) */
.header-rsvp {
    position: fixed; top: 12px; right: 22px; 
    background: var(--rose-pastel); color: white; 
    padding: 10px 18px; border-radius: 50px; 
    z-index: 2000; font-weight: 700; text-transform: uppercase; 
    letter-spacing: 1px; font-size: 0.9rem; 
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}
.header-rsvp:hover { background: var(--rose-fonce); transform: translateY(-2px); }

/* Bandeau flottant (Mobile uniquement) */
.floating-rsvp {
    position: fixed; bottom: 0; left: 0; width: 100%;
    background: var(--rose-pastel); color: white;
    padding: 15px; text-align: center;
    text-transform: uppercase; letter-spacing: 2px; font-weight: bold;
    z-index: 999; box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
    display: none; /* Caché par défaut, visible via media query */
}

/* --- LOADER --- */
#loader {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: white; z-index: 9999;
    display: flex; justify-content: center; align-items: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}
.loader-content { text-align: center; }
.loader-text { font-family: var(--font-titre); font-size: 5rem; color: var(--rose-pastel); display: block; margin-bottom: 10px; }
.loader-heart { color: var(--rose-pastel); font-size: 2rem; animation: heartbeat 1.5s infinite; }
.loader-hidden { opacity: 0; visibility: hidden; }

@keyframes heartbeat {
    0% { transform: scale(1); } 14% { transform: scale(1.3); }
    28% { transform: scale(1); } 42% { transform: scale(1.3); } 70% { transform: scale(1); }
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
    .rsvp-grid { flex-direction: column; align-items: center; padding: 0 15px; }
    .form-card, .rsvp-program-column { max-width: 100%; flex: auto; padding: 30px 20px; }
    
    /* Menu Mobile */
    .nav-links { display: none; } 
    .burger { display: block; cursor: pointer; }
    .nav-links.nav-active {
        display: flex; flex-direction: column; position: absolute;
        right: 0; top: 70px; background: white; width: 100%;
        padding: 40px; box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    
    .form-row-responsive { grid-template-columns: 1fr; }
    .header-rsvp { display: none; } /* On cache la pilule sur mobile */
    .floating-rsvp { display: block; } /* On affiche le bandeau sur mobile */
    
    .hero-content { padding: 40px 20px; margin: 0 15px; }
    h1 { font-size: 3rem; }
}