/* ===== VARIABLES CSS ===== */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --warning-color: #ff9800;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white: #ffffff;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
    
    /* Typography */
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    
    /* Border Radius */
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
}

/* Ajustement pour la navbar fixe */
body {
    padding-top: 76px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.display-4, .display-5 {
    font-weight: 700;
}

.lead {
    font-size: 1.125rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
}

/* ===== BUTTONS ===== */
.btn {
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    color: var(--white);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0056b3, var(--primary-color));
    color: var(--white);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color), #f57c00);
    color: var(--white);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #f57c00, var(--warning-color));
    color: var(--white);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: var(--white);
}

.btn-outline-light:hover {
    background-color: var(--white);
    color: var(--primary-color);
    border-color: var(--white);
}

/* ===== NAVIGATION ===== */
.modern-navbar {
    background-color: var(--white) !important;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.modern-navbar .navbar-brand {
    font-size: 1.75rem;
    font-weight: 700;
    transition: all 0.3s ease;
}

.modern-navbar .brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.modern-navbar .brand-icon:hover {
    transform: rotate(360deg);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.modern-navbar .brand-text {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modern-navbar .navbar-toggler {
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.modern-navbar .navbar-toggler:hover {
    background-color: rgba(0, 123, 255, 0.1);
}

.modern-navbar .nav-link {
    font-weight: 500;
    position: relative;
    color: var(--dark-color) !important;
    transition: all 0.3s ease;
    padding: 0.75rem 1rem !important;
    border-radius: 8px;
    margin: 0 0.25rem;
}

.modern-navbar .nav-link:hover {
    color: var(--primary-color) !important;
    background-color: rgba(0, 123, 255, 0.1);
    transform: translateY(-2px);
}

.modern-navbar .nav-link.active {
    color: var(--primary-color) !important;
    background-color: rgba(0, 123, 255, 0.15);
    font-weight: 700;
}

.modern-navbar .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    width: 20px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transform: translateX(-50%);
}

.modern-navbar .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    border: none;
    border-radius: 25px;
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 123, 255, 0.2);
}

.modern-navbar .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 123, 255, 0.3);
    background: linear-gradient(135deg, #0056b3, var(--primary-color));
}

/* Responsive navbar */
@media (max-width: 991px) {
    .modern-navbar .navbar-collapse {
        background: white;
        border-radius: 15px;
        padding: 1rem;
        margin-top: 1rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }
    
    .modern-navbar .nav-link {
        text-align: center;
        margin: 0.25rem 0;
    }
    
    .modern-navbar .btn-primary {
        margin-top: 1rem;
        width: 100%;
    }
}

/* ===== HERO SECTION ===== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-icon {
    font-size: 15rem;
    color: rgba(255, 255, 255, 0.1);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* ===== PAGE HEADER ===== */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    padding: 5rem 0 3rem;
    margin-top: -76px;
    padding-top: calc(5rem + 76px);
}

/* ===== CARDS ===== */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    border-bottom: none;
    background: var(--primary-color);
    padding: 1.5rem;
}

/* ===== FORMULES STYLES ===== */
.formules-section {
    background: var(--light-color);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-xl);
}

.formule-card {
    transition: all 0.3s ease;
    height: 100%;
}

.formule-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.formule-icon i {
    font-size: 3rem;
}

.price-tag {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    margin: var(--spacing-lg) 0;
    display: inline-block;
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
}

.features-list {
    list-style: none;
    padding: 0;
}

.features-list li {
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
}

/* ===== COMPARAISON TABLE ===== */
.comparison-table {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-lg);
    vertical-align: middle;
}

.table-primary th {
    background: var(--primary-color);
    color: var(--white);
    font-weight: 600;
}

/* ===== FORMULAIRE STYLES ===== */
.form-control,
.form-select {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    font-size: var(--font-size-base);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.formule-choice {
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.formule-choice:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.form-check-input:checked + .form-check-label .card {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

/* ===== PROCEDURE STYLES ===== */
.step-card {
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.step-card:hover {
    box-shadow: var(--shadow);
    transform: translateX(5px);
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto var(--spacing-md);
}

.step-icon {
    font-size: 2rem;
}

.document-item {
    transition: all 0.3s ease;
}

.document-item:hover {
    background-color: var(--light-color);
    transform: translateY(-2px);
}

/* ===== CONTACT STYLES ===== */
.contact-item {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.contact-item:hover {
    background-color: var(--light-color);
}

.map-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
    }
    
    .hero-icon {
        font-size: 8rem;
        margin-top: var(--spacing-xl);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .display-4,
    .display-5 {
        font-size: 2rem;
    }
    
    .price-tag {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .step-icon {
        font-size: 1.5rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: var(--font-size-base);
    }
}

@media (max-width: 576px) {
    body {
        padding-top: 70px;
    }
    
    .page-header {
        padding-top: calc(3rem + 70px);
        padding-bottom: 2rem;
    }
    
    .hero-section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

/* ===== UTILITIES ===== */
.text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
}

.bg-gradient-warning {
    background: linear-gradient(135deg, var(--warning-color), #f57c00);
}

.shadow-custom {
    box-shadow: 0 0.5rem 2rem rgba(0, 123, 255, 0.15);
}

/* ===== PRICE SECTION STYLES ===== */
.formule-detail-card .price-section {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.1), rgba(0, 123, 255, 0.05));
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.price-tag .currency {
    font-size: 1rem;
    vertical-align: top;
}

.price-tag .amount {
    font-size: 3rem;
    font-weight: 700;
}

.price-tag .period {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ===== ACCORDION STYLES ===== */
.accordion-button {
    background-color: var(--white);
    color: var(--dark-color);
    border-bottom: 1px solid #dee2e6;
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: var(--white);
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25);
}

/* ===== SOCIAL LINKS ===== */
.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* ===== LOADING SPINNER ===== */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* ===== FORM VALIDATION STYLES ===== */
.was-validated .form-control:valid {
    border-color: var(--success-color);
}

.was-validated .form-control:invalid {
    border-color: var(--danger-color);
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--danger-color);
}

.valid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--success-color);
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0056b3;
}

/* ===== PRINT STYLES ===== */
@media print {
    .navbar,
    .page-header,
    footer,
    .btn {
        display: none !important;
    }
    
    body {
        padding-top: 0;
        color: black;
        background: white;
    }
    
    .card {
        border: 1px solid #dee2e6;
        box-shadow: none;
    }
}