/* ============================================
   STYLE.CSS — International Consulting Advise
   ============================================ */

/* ===== RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bleu: #0a3d62;
    --bleu-clair: #1e6091;
    --bleu-fonce: #051e30;
    --bleu-logo: #003CAC;
    --or: #d4af37;
    --or-fonce: #c19b2e;
    --orange: #ff8c00;
    --orange-fonce: #e67600;
    --texte: #2c3e50;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--texte);
    line-height: 1.7;
    background: #ffffff;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ============================================
   HEADER — NON FIXE (défile avec la page)
   ============================================ */
.header {
    background: var(--bleu-logo);
    color: #ffffff;
    position: relative;
    z-index: 1000;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
    border-bottom: 3px solid var(--or);
    width: 100%;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 5%;
    min-height: 280px;
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 0;
}

/* ===== LOGO SANS ROND ===== */
.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.logo-terre {
    width: 240px;
    height: 240px;
    border-radius: 0;
    object-fit: contain;
    border: none;
    background: transparent;
    padding: 0;
    box-shadow: none;
    transition: transform 0.4s ease;
    flex-shrink: 0;
}

.logo-terre:hover {
    transform: scale(1.05);
}

/* ===== NAV — MENU EN OR, TOUJOURS VISIBLE ===== */
.nav {
    margin-left: auto;
    margin-right: 40px;
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav a {
    color: var(--or);
    font-weight: 700;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    padding: 8px 0;
    position: relative;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    white-space: nowrap;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #ffffff;
    transition: all 0.3s ease;
    transform: translateX(-50%);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

.nav a:hover {
    color: #ffffff;
    transform: translateY(-3px);
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.9);
}

.nav a:hover::after {
    width: 100%;
}

/* ===== BURGER CACHÉ ===== */
.burger {
    display: none !important;
}

/* ============================================
   HERO
   ============================================ */
.hero {
    background: radial-gradient(ellipse at center, #1e6091 0%, #0a3d62 50%, #051e30 100%);
    color: #ffffff;
    padding: 60px 0 80px;
    text-align: center;
    border-bottom: 4px solid var(--or);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 60% 70%, rgba(212,175,55,0.7), transparent),
        radial-gradient(1px 1px at 80% 20%, rgba(255,255,255,0.7), transparent),
        radial-gradient(2px 2px at 40% 80%, rgba(212,175,55,0.6), transparent),
        radial-gradient(1px 1px at 10% 60%, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 90% 50%, rgba(212,175,55,0.7), transparent),
        radial-gradient(1px 1px at 30% 15%, rgba(255,255,255,0.5), transparent),
        radial-gradient(2px 2px at 70% 90%, rgba(212,175,55,0.6), transparent);
    background-size: 100% 100%;
    animation: scintille 4s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes scintille {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    line-height: 1.2;
    font-weight: 900;
    color: #ffffff;
    position: relative;
    z-index: 2;
    text-shadow: 
        0 3px 10px rgba(0, 0, 0, 0.4),
        0 6px 20px rgba(0, 0, 0, 0.3);
}

.hero h1 .or {
    color: var(--or);
    text-shadow: 
        0 0 20px rgba(212, 175, 55, 0.6),
        0 3px 10px rgba(0, 0, 0, 0.4);
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.hero .btn {
    position: relative;
    z-index: 3;
    margin-top: 20px;
}

/* ===== SCÈNE ORBITALE 3D ===== */
.scene-orbitale {
    perspective: 1200px;
    perspective-origin: center;
    width: 100%;
    max-width: 700px;
    height: 440px;
    margin: 0 auto -20px;
    position: relative;
    z-index: 2;
}

.monde-3d {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: inclinaison 20s ease-in-out infinite alternate;
}

@keyframes inclinaison {
    0% { transform: rotateX(12deg); }
    100% { transform: rotateX(-12deg); }
}

.terre {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: none;
    box-shadow: none;
    z-index: 5;
}

.orbite {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 500px;
    height: 500px;
    margin: -250px 0 0 -250px;
    transform-style: preserve-3d;
    animation: rotation-orbite 24s linear infinite;
}

@keyframes rotation-orbite {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(360deg); }
}

.satellite {
    position: absolute;
    top: 50%;
    left: 50%;
    transform:
        translate(-50%, -50%)
        rotateY(var(--angle))
        translateZ(250px);
    transform-style: preserve-3d;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    pointer-events: auto;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.satellite:hover {
    transform:
        translate(-50%, -50%)
        rotateY(var(--angle))
        translateZ(250px)
        scale(1.3);
}

.satellite:hover .sat-icone {
    filter: drop-shadow(0 0 20px rgba(212, 175, 55, 1));
}

.satellite:hover .sat-texte {
    color: var(--or);
}

.sat-icone {
    font-size: 2.4rem;
    line-height: 1;
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.6));
    transition: filter 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== IMAGES DES SATELLITES ===== */
.sat-image {
    width: 45px;
    height: 45px;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(212, 175, 55, 0.6));
    transition: filter 0.3s ease, transform 0.3s ease;
    border-radius: 8px;
}

.satellite:hover .sat-image {
    filter: drop-shadow(0 0 20px rgba(255, 140, 0, 1));
    transform: scale(1.15);
}

.sat-texte {
    font-size: 0.95rem;
    font-weight: 700;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
    white-space: nowrap;
    transition: color 0.3s ease;
}

.hero-slogan {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--or);
    font-style: italic;
    margin-top: 10px;
    margin-bottom: 20px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 3;
    letter-spacing: 0.5px;
}

/* ============================================
   BOUTONS 3D
   ============================================ */
.btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--or) 0%, var(--or-fonce) 100%);
    color: #0a3d62;
    padding: 15px 35px;
    border-radius: 8px;
    font-weight: 800;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    font-family: inherit;
    box-shadow: 
        0 4px 0 #a8841e,
        0 6px 15px rgba(212, 175, 55, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    letter-spacing: 0.5px;
}

.btn:hover {
    background: linear-gradient(135deg, var(--orange) 0%, var(--or-fonce) 100%);
    transform: translateY(-3px);
    box-shadow: 
        0 7px 0 #a8841e,
        0 10px 25px rgba(212, 175, 55, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.btn:active {
    transform: translateY(2px);
    box-shadow: 
        0 2px 0 #a8841e,
        0 3px 10px rgba(212, 175, 55, 0.4);
}

.btn-mini {
    display: inline-block;
    margin-top: 25px;
    padding: 13px 30px;
    border: 2px solid var(--bleu);
    color: var(--bleu);
    border-radius: 8px;
    font-weight: 700;
    transition: all 0.3s ease;
    background: #ffffff;
    font-family: inherit;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 
        0 4px 0 var(--bleu),
        0 6px 15px rgba(10, 61, 98, 0.2);
}

.btn-mini:hover {
    background: linear-gradient(135deg, var(--bleu) 0%, var(--bleu-clair) 100%);
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 
        0 7px 0 var(--bleu-fonce),
        0 10px 25px rgba(10, 61, 98, 0.4);
}

.btn-mini:active {
    transform: translateY(2px);
    box-shadow: 
        0 2px 0 var(--bleu),
        0 3px 10px rgba(10, 61, 98, 0.3);
}

/* ============================================
   VOLETS 3D
   ============================================ */
.volet {
    padding: 90px 0;
    color: var(--texte);
    text-align: center;
    border-bottom: 1px solid #e5e5e5;
    position: relative;
}

.volet-1 { background: linear-gradient(135deg, #ffffff 0%, #e8f0f7 100%); }
.volet-2 { background: linear-gradient(135deg, #f0faf3 0%, #ffffff 100%); }
.volet-3 { background: linear-gradient(135deg, #ffffff 0%, #e0f0fb 100%); }
.volet-4 { background: linear-gradient(135deg, #fdf6e3 0%, #ffffff 100%); }
.volet-5 { background: linear-gradient(135deg, #ffffff 0%, #e0f7f9 100%); }
.volet-6 { background: linear-gradient(135deg, #faf0e6 0%, #ffffff 100%); }
.volet-7 { background: linear-gradient(135deg, #ffffff 0%, #f0ebe8 100%); }
.volet-8 { background: linear-gradient(135deg, #ebf5eb 0%, #ffffff 100%); }
.volet-9 { background: linear-gradient(135deg, #ffffff 0%, #fdf6e0 100%); }
.volet-10 { background: linear-gradient(135deg, #e8f0f7 0%, #ffffff 100%); }
.volet-11 { background: linear-gradient(135deg, #ffffff 0%, #fdf6e0 100%); }
.volet-12 { background: linear-gradient(135deg, #e0f5f0 0%, #ffffff 100%); }
.volet-13 { background: linear-gradient(135deg, #ffffff 0%, #f0f0e8 100%); }
.volet-14 { background: linear-gradient(135deg, #f0e8f5 0%, #ffffff 100%); }
.volet-15 { background: linear-gradient(135deg, #ffffff 0%, #e0f0eb 100%); }
.volet-16 { background: linear-gradient(135deg, #e8f0fb 0%, #ffffff 100%); }
.volet-17 { background: linear-gradient(135deg, #ffffff 0%, #faf3d9 100%); }
.volet-18 { background: linear-gradient(135deg, #fae5e2 0%, #ffffff 100%); }

.volet-contenu {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 20px;
    box-shadow: 
        0 10px 30px rgba(10, 61, 98, 0.08),
        0 2px 8px rgba(10, 61, 98, 0.05);
    transition: all 0.4s ease;
}

.volet:hover .volet-contenu {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 50px rgba(10, 61, 98, 0.15),
        0 8px 20px rgba(10, 61, 98, 0.1);
}

.volet-icone {
    font-size: 4rem;
    margin-bottom: 20px;
    display: inline-block;
    line-height: 1;
    filter: drop-shadow(0 8px 15px rgba(10, 61, 98, 0.2));
    transition: transform 0.4s ease;
}

.volet-icone-image {
    width: 130px;
    height: 130px;
    object-fit: contain;
    display: inline-block;
    margin: 0 auto 20px;
    filter: drop-shadow(0 8px 20px rgba(10, 61, 98, 0.25));
    transition: transform 0.4s ease;
}

.volet:hover .volet-icone,
.volet:hover .volet-icone-image {
    transform: scale(1.15) rotate(6deg);
}

.volet h2 {
    font-size: 2.4rem;
    font-weight: 900;
    text-align: center;
    margin: 0 auto 25px;
    letter-spacing: 0.5px;
    line-height: 1.2;
    display: block;
    width: 100%;
    position: relative;
    padding-bottom: 18px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.volet h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 4px;
    background: currentColor;
    border-radius: 4px;
    opacity: 0.6;
}

.volet-1 h2 { color: #0a3d62; }
.volet-2 h2 { color: #1e8449; }
.volet-3 h2 { color: #1e6091; }
.volet-4 h2 { color: #b8860b; }
.volet-5 h2 { color: #00838f; }
.volet-6 h2 { color: #c19b2e; }
.volet-7 h2 { color: #5d4037; }
.volet-8 h2 { color: #145a32; }
.volet-9 h2 { color: #b8860b; }
.volet-10 h2 { color: #1a5276; }
.volet-11 h2 { color: #b7950b; }
.volet-12 h2 { color: #117a65; }
.volet-13 h2 { color: #7d6608; }
.volet-14 h2 { color: #6c3483; }
.volet-15 h2 { color: #0e6251; }
.volet-16 h2 { color: #1f618d; }
.volet-17 h2 { color: #7d6608; }
.volet-18 h2 { color: #7b241c; }

.volet-texte {
    margin-top: 10px;
}

.volet-texte p {
    margin-bottom: 16px;
    font-size: 1.1rem;
    color: #444;
    line-height: 1.8;
}

.volet-texte strong {
    color: var(--bleu);
    font-weight: 800;
}

.volet-texte em {
    color: #666;
    font-style: italic;
}

/* VOLETS SPÉCIAUX */
.volet-3, .volet-6, .volet-16, .volet-18 {
    background: #ffffff;
}

.volet-3 h2, .volet-6 h2, .volet-16 h2, .volet-18 h2 {
    color: var(--bleu);
}

.volet-3 h2::after, .volet-6 h2::after, .volet-16 h2::after, .volet-18 h2::after {
    background: var(--bleu);
}

.volet-3 .volet-texte p,
.volet-3 .volet-texte strong,
.volet-3 .volet-texte em,
.volet-6 .volet-texte p,
.volet-6 .volet-texte strong,
.volet-6 .volet-texte em,
.volet-16 .volet-texte p,
.volet-16 .volet-texte strong,
.volet-16 .volet-texte em,
.volet-18 .volet-texte p,
.volet-18 .volet-texte strong,
.volet-18 .volet-texte em {
    color: var(--bleu);
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    padding: 90px 0;
    background: linear-gradient(135deg, #f0f4f8 0%, #f9f9f9 100%);
    color: var(--texte);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--bleu) 0%, var(--or) 50%, var(--orange) 100%);
}

.contact .section-titre {
    color: var(--bleu);
    text-align: center;
    font-size: 2.6rem;
    margin-bottom: 10px;
    font-weight: 900;
}

.contact .section-sous-titre {
    text-align: center;
    color: #777;
    margin-bottom: 50px;
    font-size: 1.1rem;
}

/* ============================================
   LES 3 CARTES D'OPTIONS
   ============================================ */
.options-container {
    max-width: 1100px;
    margin: 0 auto 60px;
    padding: 0 10px;
}

.options-titre {
    text-align: center;
    font-size: 2rem;
    color: var(--bleu);
    margin-bottom: 10px;
    font-weight: 900;
}

.options-sous-titre {
    text-align: center;
    color: #777;
    margin-bottom: 40px;
    font-size: 1.05rem;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.option-carte {
    background: #ffffff;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 
        0 10px 30px rgba(10, 61, 98, 0.12),
        0 2px 8px rgba(10, 61, 98, 0.08);
    display: flex;
    flex-direction: column;
    transition: all 0.4s ease;
    border: 2px solid transparent;
    position: relative;
}

.option-carte:hover {
    transform: translateY(-12px);
    box-shadow: 
        0 25px 50px rgba(10, 61, 98, 0.2),
        0 10px 20px rgba(10, 61, 98, 0.12);
    border-color: var(--or);
}

.option-carte.selectionnee {
    border-color: var(--or);
    box-shadow: 
        0 25px 50px rgba(212, 175, 55, 0.4),
        0 10px 20px rgba(212, 175, 55, 0.2);
    transform: translateY(-12px);
}

.option-carte.selectionnee::after {
    content: '✓ Sélectionnée';
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--or);
    color: var(--bleu);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.option-header {
    padding: 30px 20px;
    color: #ffffff;
    text-align: center;
}

.option-header-1 {
    background: linear-gradient(135deg, #051e30 0%, #1e6091 100%);
}

.option-header-2 {
    background: linear-gradient(135deg, #6a1b9a 0%, #9b59b6 100%);
}

.option-header-3 {
    background: linear-gradient(135deg, #0e6251 0%, #16a085 100%);
}

.option-num {
    display: inline-block;
    background: rgba(255, 255, 255, 0.25);
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 900;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.option-header h4 {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 0.5px;
}

.option-body {
    padding: 25px 25px;
    flex: 1;
}

.option-desc {
    font-size: 0.95rem;
    color: #666;
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.5;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 1px dashed #e0e0e0;
}

.option-liste {
    list-style: none;
    padding: 0;
    margin: 0;
}

.option-liste li {
    padding: 10px 0;
    color: #333;
    font-size: 0.95rem;
    font-weight: 500;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.option-liste li:last-child {
    border-bottom: none;
}

.option-liste li:hover {
    color: var(--bleu);
    padding-left: 8px;
    font-weight: 700;
}

.option-btn {
    background: linear-gradient(135deg, var(--or) 0%, var(--or-fonce) 100%);
    color: #0a3d62;
    border: none;
    padding: 18px;
    font-size: 1rem;
    font-weight: 900;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 0;
}

.option-btn:hover {
    background: linear-gradient(135deg, var(--orange) 0%, var(--or-fonce) 100%);
}

.option-carte.selectionnee .option-btn {
    background: linear-gradient(135deg, #1e8449 0%, #27ae60 100%);
    color: #ffffff;
}

/* ============================================
   FORMULAIRE
   ============================================ */
.formulaire-wrapper {
    max-width: 650px;
    margin: 0 auto;
    background: #ffffff;
    padding: 45px 40px;
    border-radius: 18px;
    box-shadow: 
        0 20px 50px rgba(10, 61, 98, 0.15),
        0 5px 15px rgba(10, 61, 98, 0.08);
    border-top: 5px solid var(--or);
}

.form-titre {
    text-align: center;
    color: var(--bleu);
    font-size: 1.7rem;
    margin-bottom: 8px;
    font-weight: 900;
}

.form-sous-titre {
    text-align: center;
    color: #777;
    margin-bottom: 30px;
    font-size: 1rem;
}

.champ {
    margin-bottom: 22px;
}

.champ input,
.champ textarea,
.champ select {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #ffffff;
    color: #2c3e50;
}

.champ input[readonly] {
    background: linear-gradient(135deg, #f0f4f8 0%, #e8f0f7 100%);
    cursor: not-allowed;
    font-weight: 800;
    color: var(--bleu);
    border-color: var(--or);
}

.champ input:hover,
.champ textarea:hover,
.champ select:hover {
    border-color: #c8d6e5;
}

.champ input:focus,
.champ textarea:focus,
.champ select:focus {
    outline: none;
    border-color: var(--or);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.15);
}

.champ textarea {
    resize: vertical;
    min-height: 130px;
}

.formulaire .btn {
    width: 100%;
}

.message-form {
    text-align: center;
    margin-top: 15px;
    font-weight: bold;
    font-size: 1rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: linear-gradient(135deg, #051e30 0%, #0a3d62 50%, #1e6091 100%);
    color: #ffffff;
    padding: 60px 0 0;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--or) 0%, var(--orange) 50%, var(--or) 100%);
}

.footer-contenu {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    padding-bottom: 40px;
}

.footer h3,
.footer h4 {
    margin-bottom: 20px;
    color: var(--or);
    font-weight: 900;
    font-size: 1.2rem;
}

.footer p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 10px;
    font-size: 1rem;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 10px;
}

.footer ul li a {
    color: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
    padding-left: 0;
    display: inline-block;
    font-weight: 500;
}

.footer ul li a:hover {
    color: var(--or);
    padding-left: 8px;
}

.footer a {
    color: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
    font-weight: 500;
}

.footer a:hover {
    color: var(--or);
}

.footer h4 + p,
.footer h4 + p a {
    color: #7db9e8;
    font-weight: 600;
}

.footer h4 + p a:hover {
    color: var(--or);
}

.footer-bas {
    background: rgba(0, 0, 0, 0.35);
    text-align: center;
    padding: 22px 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.75);
    border-top: 1px solid rgba(212, 175, 55, 0.3);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
    .volet h2 { font-size: 2rem; }
    .volet-icone { font-size: 3.2rem; }
    .volet-icone-image { width: 100px; height: 100px; }
    .hero h1 { font-size: 2.2rem; }
    .contact .section-titre { font-size: 2rem; }

    .scene-orbitale { height: 380px; max-width: 600px; }
    .orbite { width: 400px; height: 400px; margin: -200px 0 0 -200px; }
    .satellite { transform: translate(-50%, -50%) rotateY(var(--angle)) translateZ(200px); }
    .satellite:hover { transform: translate(-50%, -50%) rotateY(var(--angle)) translateZ(200px) scale(1.2); }
    .terre { width: 160px; height: 160px; }
    .hero-slogan { font-size: 1.15rem; }

    .options-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        padding: 15px 3%;
        min-height: 240px;
        gap: 10px;
    }

    .logo {
        position: static;
        transform: none;
    }

    .logo-terre {
        width: 160px;
        height: 160px;
    }

    .nav {
        margin: 0;
        width: 100%;
        justify-content: center;
    }

    .nav ul {
        gap: 12px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .nav a {
        font-size: 0.8rem;
        color: var(--or);
        padding: 5px 0;
    }

    .hero { padding: 50px 0 60px; }
    .hero h1 { font-size: 1.9rem; }
    .hero p { font-size: 1rem; }
    .hero-slogan { font-size: 1rem; margin-top: 5px; }

    .volet { padding: 65px 0; }
    .volet-contenu { padding: 30px 20px; }
    .volet h2 { font-size: 1.7rem; }
    .volet-icone { font-size: 2.8rem; }
    .volet-icone-image { width: 90px; height: 90px; }
    .volet-texte p { font-size: 1rem; }

    .contact { padding: 70px 0; }
    .contact .section-titre { font-size: 1.7rem; }
    .formulaire-wrapper { padding: 30px 22px; }
    .options-titre { font-size: 1.6rem; }
}

@media (max-width: 480px) {
    .volet h2 { font-size: 1.5rem; }
    .hero h1 { font-size: 1.6rem; }
    .btn, .btn-mini { padding: 13px 25px; font-size: 0.95rem; }

    .scene-orbitale { height: 300px; max-width: 100%; }
    .orbite { width: 280px; height: 280px; margin: -140px 0 0 -140px; }
    .satellite { transform: translate(-50%, -50%) rotateY(var(--angle)) translateZ(140px); }
    .satellite:hover { transform: translate(-50%, -50%) rotateY(var(--angle)) translateZ(140px) scale(1.15); }
    .terre { width: 120px; height: 120px; }
    .sat-icone { font-size: 1.6rem; }
    .sat-image { width: 32px; height: 32px; }
    .sat-texte { font-size: 0.7rem; letter-spacing: 0.5px; }

    .nav-container { min-height: 220px; padding: 10px 3%; }
    .logo-terre { width: 140px; height: 140px; }

    .nav a { font-size: 0.75rem; }
    .nav ul { gap: 10px; }

    .volet-icone-image { width: 75px; height: 75px; }

    .option-header h4 { font-size: 1.2rem; }
    .option-liste li { font-size: 0.9rem; }
}

/* ===== BOUTON WHATSAPP ===== */
.whatsapp-btn {
    position: fixed;
    bottom: 25px;
    left: 25px;
    width: 75px;
    height: 75px;
    background: linear-gradient(135deg, #25D366 0%, #1ebe5b 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 4px 0 #148f42,
        0 6px 20px rgba(37, 211, 102, 0.5);
    z-index: 9999;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-btn:hover {
    transform: scale(1.12) translateY(-3px);
    box-shadow: 
        0 7px 0 #148f42,
        0 10px 30px rgba(37, 211, 102, 0.8);
    animation: none;
}

.whatsapp-btn:active {
    transform: scale(1.05) translateY(2px);
    box-shadow: 
        0 2px 0 #148f42,
        0 3px 10px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn svg {
    width: 42px;
    height: 42px;
    fill: #ffffff;
}

@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), 0 0 0 20px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

@media (max-width: 480px) {
    .whatsapp-btn {
        width: 62px;
        height: 62px;
        bottom: 18px;
        left: 18px;
    }
    .whatsapp-btn svg {
        width: 34px;
        height: 34px;
    }
}