/**
 * Styles personnalisés pour le site vitrine
 * Bootstrap 5 + customisation sobre et moderne
 */

/* ===== VARIABLES CSS ===== */
:root {
    --primary-color: #5e33ff;
    --primary-dark: #3200ea;
    --secondary-color: #ff8c66;
    --secondary-dark: #fd6e3f;
    --dark-color: #1b1726;
    --light-color: #f8f9fa;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #5e33ff;
    --white: #ffffff;
    --text-color: #333333;
    --border-radius: 0.5rem;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== NAVBAR ===== */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--dark-color);
    margin: 0 0.5rem;
    transition: var(--transition);
    position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 80%;
}

/* ===== SECTIONS ===== */
section {
    padding: 5rem 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: #6c757d;
    margin-bottom: 3rem;
}

/* ===== HERO SECTION ===== */
.hero-section {
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 8rem 0 6rem;
    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 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,96C1248,75,1344,53,1392,42.7L1440,32L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-cta {
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-cta .btn {
    margin: 0.5rem;
    padding: 0.875rem 2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.hero-cta + div {
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-cta + div .btn {
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--secondary-dark);
    border-color: var(--secondary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
}

/* ===== FEATURE CARDS ===== */
.feature-card {
    background: var(--white);
    border: none;
    border-radius: var(--border-radius);
    padding: 1.5rem 2rem 2rem;
    height: 100%;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white) !important;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 1.25rem;
    transition: var(--transition);
}

.feature-icon i {
    color: var(--white) !important;
    font-weight: bold;
}

.feature-card:hover .feature-icon {
    transform: rotate(360deg) scale(1.1);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.feature-description {
    color: #6c757d;
    font-size: 1rem;
    line-height: 1.7;
    min-height: 105px;
    margin-bottom: 0;
    display: block;
}

/* Alignement des listes dans les cards */
.feature-card .card-body {
    display: flex;
    flex-direction: column;
}

/* Wrapper pour titre + description avec hauteur fixe */
.feature-card .feature-icon,
.feature-card .feature-title,
.feature-card .feature-description {
    flex-shrink: 0;
}

.feature-card .list-unstyled {
    margin-top: auto;
    padding-top: 1rem;
    flex-grow: 0;
}

.feature-card .list-unstyled li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.feature-card .list-unstyled li:last-child {
    margin-bottom: 0;
}

.feature-card .list-unstyled li i {
    flex-shrink: 0;
    margin-top: 0.2rem;
}

/* ===== SECURITY SECTION ===== */
.security-section {
    background: var(--light-color);
}

.security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--success-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    margin: 0 auto 1.5rem;
    width: fit-content;
}

/* ===== FAQ SECTION ===== */
.faq-section {
    background: var(--white);
}

.accordion-item {
    border: 1px solid rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
    border-radius: var(--border-radius) !important;
    overflow: hidden;
}

.accordion-button {
    font-weight: 600;
    font-size: 1.125rem;
    padding: 1.25rem 1.5rem;
    background: var(--white);
    color: var(--dark-color);
    box-shadow: none;
}

.accordion-button:not(.collapsed) {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--primary-color);
}

.accordion-body {
    padding: 1.5rem;
    color: var(--text-color);
    line-height: 1.8;
    background: var(--light-color);
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.contact-section .section-title,
.contact-section .section-subtitle {
    color: var(--white);
}

.contact-form {
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.form-control,
.form-select {
    border: 2px solid #dee2e6;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.15);
}

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

.btn-submit {
    width: 100%;
    padding: 1rem;
    font-weight: 600;
    font-size: 1.125rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-info {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.contact-info-text a {
    color: var(--white);
    text-decoration: none;
}

.contact-info-text a:hover {
    text-decoration: underline;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer a:hover {
    color: var(--white);
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 2rem;
    padding-top: 1.5rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== ALERTS ===== */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}

.alert-success {
    background: rgba(25, 135, 84, 0.1);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

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

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

/* ===== SCROLL TO TOP BUTTON ===== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--box-shadow-lg);
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 2rem;
    }

    section {
        padding: 3rem 0;
    }

    .hero-section {
        padding: 5rem 0 4rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    /* Fix pour éviter que le texte n'empiète sur les listes */
    .feature-description {
        min-height: auto;
        margin-bottom: 1rem;
    }

    .feature-card .list-unstyled {
        padding-top: 0.5rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-cta .btn {
        display: block;
        width: 100%;
        margin: 0.5rem 0;
    }
}

/* ===== UTILITY CLASSES ===== */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient {
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--primary-dark) 100%);
}

.shadow-custom {
    box-shadow: var(--box-shadow-lg);
}