/* Styles modernes pour KADAFIA SERVICES INTER */
/* Couleurs entreprise: Noir (#000000), Rouge (#dc2626), Blanc (#FFFFFF) */

/* Importation des polices */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Montserrat:wght@400;500;600;700;800&display=swap');

/* Variables */
:root {
    --primary-black: #000000;
    --primary-red: #dc2626;
    --primary-red-dark: #991b1b;
    --primary-red-light: #ef4444;
    --pure-white: #ffffff;
    --off-white: #f8fafc;
    --light-gray: #f1f5f9;
    --medium-gray: #94a3b8;
    --dark-gray: #334155;
    --gradient-red: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
    --gradient-black: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    --gradient-mixed: linear-gradient(135deg, #000000 0%, #dc2626 100%);
    --box-shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --box-shadow-md: 0 10px 30px rgba(220,38,38,0.15);
    --box-shadow-lg: 0 20px 50px rgba(0,0,0,0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 24px;
}

/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--off-white);
    min-height: 100vh;
    line-height: 1.6;
    color: var(--dark-gray);
}

/* Header moderne */
.modern-header {
    background: var(--gradient-black);
    position: relative;
    padding: 60px 0 80px;
    overflow: hidden;
}

.modern-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(220,38,38,0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(220,38,38,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.modern-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-red);
}

.header-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.logo-container {
    margin-bottom: 30px;
    position: relative;
    display: inline-block;
}

.logo {
    max-height: 120px;
    width: auto;
    filter: drop-shadow(0 10px 20px rgba(220,38,38,0.3));
    transition: var(--transition);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.logo:hover {
    transform: scale(1.05) rotate(2deg);
    filter: drop-shadow(0 15px 30px rgba(220,38,38,0.4));
}

.company-name {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--pure-white);
    margin-bottom: 15px;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

@media (max-width: 768px) {
    .company-name {
        font-size: 1.8rem;
    }
}

.company-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(220,38,38,0.2);
    backdrop-filter: blur(10px);
    border: 2px solid var(--primary-red);
    border-radius: 50px;
    padding: 12px 30px;
    color: var(--pure-white);
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: var(--box-shadow-md);
}

.company-badge i {
    color: var(--primary-red);
    font-size: 1.2rem;
}

/* Carte principale */
.main-card {
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.card {
    border: none;
    border-radius: var(--border-radius);
    background: var(--pure-white);
    box-shadow: var(--box-shadow-lg);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(220,38,38,0.2);
}

.card-header {
    background: var(--gradient-red);
    padding: 20px 30px;
    border: none;
    position: relative;
}

.card-header h2 {
    color: var(--pure-white);
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-header i {
    font-size: 1.5rem;
}

/* Fieldsets modernes */
.modern-fieldset {
    border: 2px solid var(--light-gray);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    background: var(--pure-white);
    transition: var(--transition);
    position: relative;
}

.modern-fieldset:hover {
    border-color: var(--primary-red);
    box-shadow: var(--box-shadow-sm);
}

.modern-fieldset legend {
    background: var(--pure-white);
    padding: 8px 25px;
    margin-left: 20px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-red);
    border: 2px solid var(--primary-red);
    width: auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

.modern-fieldset legend i {
    font-size: 1.1rem;
}

/* Groupes de formulaire */
.form-group-modern {
    margin-bottom: 25px;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: 8px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-label i {
    color: var(--primary-red);
    font-size: 1rem;
}

.form-control,
.form-select {
    border: 2px solid var(--light-gray);
    border-radius: 16px;
    padding: 14px 20px;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--pure-white);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-red);
    box-shadow: 0 0 0 4px rgba(220,38,38,0.1);
    outline: none;
}

.form-control:hover,
.form-select:hover {
    border-color: var(--primary-black);
}

/* Options de contrat */
.contract-options {
    background: var(--off-white);
    border-radius: 16px;
    padding: 20px;
    border: 2px solid var(--light-gray);
    transition: var(--transition);
}

.contract-options:hover {
    border-color: var(--primary-red);
    background: var(--pure-white);
}

.form-check-modern {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    margin: 0;
    border-radius: 12px;
    transition: var(--transition);
    cursor: pointer;
}

.form-check-modern:hover {
    background: rgba(220,38,38,0.05);
}

.form-check-modern .form-check-input {
    width: 1.3em;
    height: 1.3em;
    margin-right: 12px;
    border: 2px solid var(--medium-gray);
    cursor: pointer;
}

.form-check-modern .form-check-input:checked {
    background-color: var(--primary-red);
    border-color: var(--primary-red);
}

.form-check-modern .form-check-label {
    font-weight: 500;
    cursor: pointer;
    flex: 1;
}

.form-check-modern i {
    color: var(--primary-red);
    font-size: 1.2rem;
}

/* Bouton principal */
.btn-primary-modern {
    background: var(--gradient-red);
    color: var(--pure-white);
    border: none;
    border-radius: 50px;
    padding: 16px 40px;
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.btn-primary-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-primary-modern:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(220,38,38,0.4);
    color: var(--pure-white);
}

.btn-primary-modern:hover::before {
    left: 100%;
}

.btn-primary-modern i {
    font-size: 1.2rem;
    transition: var(--transition);
}

.btn-primary-modern:hover i {
    transform: translateX(5px);
}

.btn-primary-modern:active {
    transform: translateY(-1px);
}

/* Footer moderne */
.modern-footer {
    background: var(--gradient-black);
    color: var(--pure-white);
    padding: 40px 0 20px;
    margin-top: 80px;
    position: relative;
}

.modern-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-red);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h4 {
    color: var(--primary-red);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-section p {
    color: var(--medium-gray);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-section i {
    color: var(--primary-red);
    width: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(220,38,38,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pure-white);
    transition: var(--transition);
    border: 1px solid transparent;
}

.social-link:hover {
    background: var(--primary-red);
    transform: translateY(-3px) rotate(360deg);
    color: var(--pure-white);
    border-color: var(--pure-white);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--medium-gray);
    font-size: 0.9rem;
}

/* Modals */
.modern-modal .modal-content {
    border: none;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.modern-modal .modal-header {
    background: var(--gradient-red);
    color: var(--pure-white);
    border: none;
    padding: 20px 30px;
}

.modern-modal .modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.modern-modal .modal-body {
    padding: 40px 30px;
    text-align: center;
}

.modern-modal .modal-footer {
    border: none;
    padding: 20px 30px;
    background: var(--off-white);
}

/* Spinner moderne */
.spinner-modern {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    position: relative;
}

.spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 4px solid transparent;
    border-top-color: var(--primary-black);
    border-bottom-color: var(--primary-red);
    animation: spin 1.5s linear infinite;
}

.spinner-ring:nth-child(2) {
    width: 60px;
    height: 60px;
    top: 10px;
    left: 10px;
    border-top-color: var(--primary-red);
    border-bottom-color: var(--primary-red-dark);
    animation-direction: reverse;
    animation-duration: 1s;
}

.spinner-ring:nth-child(3) {
    width: 40px;
    height: 40px;
    top: 20px;
    left: 20px;
    border-top-color: var(--primary-red-dark);
    border-bottom-color: var(--primary-black);
    animation-duration: 2s;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Success animation */
.success-checkmark {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.check-icon {
    width: 80px;
    height: 80px;
    position: relative;
    border-radius: 50%;
    background: linear-gradient(135deg, #16a34a, #15803d);
    animation: scaleIn 0.5s ease-out;
}

.check-icon::before {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--pure-white);
    font-size: 40px;
    font-weight: bold;
    animation: checkPop 0.5s ease-out 0.2s both;
}

@keyframes scaleIn {
    from { transform: scale(0); }
    to { transform: scale(1); }
}

@keyframes checkPop {
    from { transform: translate(-50%, -50%) scale(0); }
    to { transform: translate(-50%, -50%) scale(1); }
}

/* Responsive */
@media (max-width: 992px) {
    .company-name {
        font-size: 2rem;
    }
    
    .modern-fieldset {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .modern-header {
        padding: 40px 0 60px;
    }
    
    .logo {
        max-height: 80px;
    }
    
    .company-name {
        font-size: 1.5rem;
    }
    
    .company-badge {
        padding: 8px 20px;
        font-size: 0.9rem;
    }
    
    .card {
        margin: 0 15px;
    }
    
    .modern-fieldset legend {
        font-size: 0.9rem;
        padding: 6px 15px;
    }
    
    .btn-primary-modern {
        padding: 14px 30px;
        font-size: 1rem;
        max-width: 100%;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-section p {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .modern-header {
        padding: 30px 0 50px;
    }
    
    .logo {
        max-height: 60px;
    }
    
    .company-name {
        font-size: 1.2rem;
    }
    
    .company-badge {
        padding: 6px 15px;
        font-size: 0.8rem;
    }
    
    .card-header h2 {
        font-size: 1.1rem;
    }
    
    .modern-fieldset {
        padding: 15px;
    }
    
    .form-label {
        font-size: 0.85rem;
    }
    
    .form-control,
    .form-select {
        padding: 12px 15px;
        font-size: 0.9rem;
    }
    
    .contract-options {
        padding: 15px;
    }
    
    .form-check-modern {
        padding: 8px 12px;
    }
}

/* Animations supplémentaires */
.fade-up {
    animation: fadeUp 0.6s ease-out;
}

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

/* Validation styles */
.form-control.is-valid,
.form-select.is-valid {
    border-color: #16a34a;
    background-image: none;
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--primary-red);
    background-image: none;
}

.invalid-feedback {
    color: var(--primary-red);
    font-size: 0.85rem;
    margin-top: 5px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.invalid-feedback i {
    font-size: 0.9rem;
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--off-white);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-red);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-red-dark);
}

/* Sélection de texte */
::selection {
    background: var(--primary-red);
    color: var(--pure-white);
}