/* ========================================
   SD Consulting & Formation - Main CSS
   ======================================== */

/* Variables */
:root {
    /* Couleurs principales */
    --primary-blue: #003366;
    --primary-turquoise: #00A6CA;
    --primary-green: #4CAF50;
    
    /* Couleurs secondaires */
    --light-blue: #E3F2FD;
    --light-green: #E8F5E9;
    --light-gray: #F5F5F5;
    
    /* Couleurs neutres */
    --dark-gray: #333333;
    --medium-gray: #666666;
    --white: #FFFFFF;
    
    /* Typographie */
    --font-title: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-body);
    color: var(--dark-gray);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-title);
    font-weight: 600;
    line-height: 1.3;
    color: var(--primary-blue);
}

a {
    text-decoration: none;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
}

/* Navigation */
.navbar {
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar-brand img {
    transition: var(--transition);
}

.navbar-light .navbar-nav .nav-link {
    color: var(--dark-gray);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: var(--transition);
    font-family: var(--font-title);
    white-space: nowrap;
}

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

.btn-nav-contact {
    background-color: var(--primary-turquoise);
    color: var(--white) !important;
    border-radius: 8px;
    padding: 0.5rem 1.5rem !important;
    margin-left: 1rem;
}

.btn-nav-contact:hover {
    background-color: #0091B3;
    transform: translateY(-2px);
}

.dropdown-menu {
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 0.5rem 0;
}

.dropdown-item {
    padding: 0.5rem 1.5rem;
    transition: var(--transition);
}

.dropdown-item:hover {
    background-color: var(--light-blue);
    color: var(--primary-turquoise);
}

/* Hero Section */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-turquoise) 100%);
    background-image: url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?w=1920&h=1080&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.9) 0%, rgba(0, 166, 202, 0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.8;
}

.hero-cta {
    margin-bottom: 3rem;
}

.trust-banner {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-item {
    font-size: 1rem;
    font-weight: 500;
}

.trust-item i {
    color: var(--primary-green);
    margin-right: 0.5rem;
}

/* Buttons */
.btn {
    font-family: var(--font-title);
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background-color: #0091B3;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 166, 202, 0.4);
}

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

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

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.section-subtitle {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-blue);
}

.bg-light-blue {
    background-color: var(--light-blue);
}

.bg-light-green {
    background-color: var(--light-green);
}

/* Cards */
.expertise-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    height: 100%;
    text-align: center;
}

.expertise-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 24px rgba(0, 166, 202, 0.2);
}

.expertise-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-turquoise), var(--primary-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.expertise-icon i {
    font-size: 2rem;
    color: var(--white);
}

.expertise-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.expertise-card p {
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

.card-link {
    color: var(--primary-turquoise);
    font-weight: 600;
    transition: var(--transition);
}

.card-link:hover {
    color: var(--primary-blue);
    padding-left: 5px;
}

.card-link i {
    margin-left: 0.5rem;
    transition: var(--transition);
}

.card-link:hover i {
    transform: translateX(5px);
}

/* Why Us Cards */
.why-us-card {
    padding: 2rem;
    background: var(--white);
    border-radius: 12px;
    height: 100%;
    transition: var(--transition);
}

.why-us-card:hover {
    transform: translateY(-5px);
}

.why-us-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-turquoise));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.why-us-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.why-us-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.why-us-card p {
    color: var(--medium-gray);
    font-size: 0.95rem;
}

/* Formation Cards */
.formation-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    height: 100%;
    position: relative;
}

.formation-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 24px rgba(0, 166, 202, 0.2);
}

.formation-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-turquoise);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 2;
}

.formation-badge.badge-green {
    background: var(--primary-green);
}

.formation-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.formation-content {
    padding: 1.5rem;
}

.formation-content h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.formation-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.formation-meta span {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.formation-meta i {
    color: var(--primary-turquoise);
    margin-right: 0.3rem;
}

.formation-content p {
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

.formation-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

.formation-date {
    font-size: 0.85rem;
    color: var(--medium-gray);
    font-style: italic;
}

/* Testimonial Cards */
.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    height: 100%;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 166, 202, 0.15);
}

.testimonial-stars {
    color: #FFB800;
    margin-bottom: 1rem;
}

.testimonial-stars i {
    margin-right: 0.2rem;
}

.testimonial-text {
    font-style: italic;
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.testimonial-author strong {
    color: var(--primary-blue);
    font-size: 1.1rem;
}

.testimonial-author span {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

/* Certifications */
.certifications-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    padding: 2rem 0;
}

.cert-item {
    text-align: center;
    opacity: 0.7;
    transition: var(--transition);
}

.cert-item:hover {
    opacity: 1;
    transform: scale(1.1);
}

.cert-item i {
    color: var(--primary-turquoise);
    margin-bottom: 0.5rem;
}

.cert-item p {
    margin: 0;
    font-weight: 600;
    color: var(--primary-blue);
}

/* CTA Section */
.section-cta {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-turquoise) 100%);
    position: relative;
}

.section-cta::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="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,165.3C1248,171,1344,149,1392,138.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center;
}

.section-cta .container {
    position: relative;
    z-index: 2;
}

/* Footer */
.footer {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer h5 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-turquoise);
    transform: translateY(-3px);
}

.footer hr {
    border-color: rgba(255, 255, 255, 0.2);
}

.footer p.mb-0 {
    color: rgba(255, 255, 255, 0.7);
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in-up.delay-1 {
    animation-delay: 0.2s;
}

.fade-in-up.delay-2 {
    animation-delay: 0.4s;
}

.fade-in-up.delay-3 {
    animation-delay: 0.6s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.scroll-animate.active {
    opacity: 1;
    transform: translateY(0);
}

/* Utilities */
.text-primary-blue {
    color: var(--primary-blue);
}

.text-primary-turquoise {
    color: var(--primary-turquoise);
}

.text-primary-green {
    color: var(--primary-green);
}

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

/* Page header */
.page-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-turquoise) 100%);
    padding: 150px 0 100px;
    margin-top: 70px;
    color: var(--white);
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,165.3C1248,171,1344,149,1392,138.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
}

.page-header h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.3rem;
    opacity: 0.9;
}

/* Breadcrumb */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 2rem;
}

.breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb-item.active {
    color: var(--white);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.5);
}