/* ==========================================================================
   SATI TICE - Système de Design & Styles Principaux
   ========================================================================== */

/* Variables CSS */
:root {
    --color-primary: #0B1F3A;        /* Bleu nuit institutionnel */
    --color-secondary: #123C69;      /* Bleu profond */
    --color-accent: #E6A100;         /* Orange doré premium */
    --color-accent-hover: #C58A00;   /* Orange doré assombri */
    --color-accent-light: #FEF3C7;   /* Orange doré très clair */
    --color-success: #15803D;        /* Vert discret pour validations */
    --color-bg-light: #F8FAFC;       /* Blanc cassé pour fonds alternés */
    --color-text-dark: #1E293B;      /* Texte principal */
    --color-text-muted: #475569;     /* Texte secondaire */
    --color-border: #E2E8F0;         /* Gris clair pour bordures */
    --color-white: #FFFFFF;

    /* Typographie */
    --font-title: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    /* Transitions & Ombres */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(11, 31, 58, 0.08), 0 2px 4px -2px rgba(11, 31, 58, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(11, 31, 58, 0.1), 0 4px 6px -4px rgba(11, 31, 58, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(11, 31, 58, 0.15), 0 8px 10px -6px rgba(11, 31, 58, 0.08);

    /* Max-width container */
    --max-width: 1200px;
}

/* Reset de base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-dark);
    background-color: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Typographie globale */
h1, h2, h3, h4 {
    font-family: var(--font-title);
    color: var(--color-primary);
    line-height: 1.25;
    font-weight: 700;
}

p {
    color: var(--color-text-muted);
}

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

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

/* Layout Utilitaires */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

@media (max-width: 768px) {
    .section-padding {
        padding: 3.5rem 0;
    }
}

.section-title-wrapper {
    max-width: 800px;
    margin-bottom: 3.5rem;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.75rem;
}

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

.section-subtitle {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* Boutons Réutilisables */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 6px;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-whatsapp {
    background-color: #25D366;
    color: var(--color-white);
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   1. HEADER & NAVIGATION
   ========================================================================== */
.header-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: background-color var(--transition-fast);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-block {
    display: flex;
    align-items: center;
}

.logo-block img {
    height: 52px;
    width: auto;
    max-width: 100%;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-primary);
}

.nav-actions-mobile {
    display: none;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

@media (max-width: 992px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        border-bottom: 1px solid var(--color-border);
        padding: 2.5rem 1.5rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-actions-mobile {
        display: block;
        width: 100%;
        margin-top: 0.5rem;
    }

    .nav-actions {
        display: none;
    }
}

/* ==========================================================================
   2. HERO SECTION
   ========================================================================== */
.hero {
    padding: 4rem 0 5rem;
    background-color: var(--color-white);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.hero-content {
    display: flex;
    flex-direction: column;
}

.hero-tag {
    align-self: flex-start;
    background-color: var(--color-accent-light);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 700;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-title span {
    color: var(--color-accent);
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    color: var(--color-text-muted);
}

.hero-btns {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

/* Proofs layout */
.hero-proofs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
}

@media (max-width: 640px) {
    .hero-proofs {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

.proof-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.proof-icon {
    color: var(--color-accent);
    font-size: 1.5rem;
    line-height: 1;
    margin-top: 2px;
}

.proof-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.35;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--color-white);
}

.hero-image-wrapper img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.hero-image-wrapper:hover img {
    transform: scale(1.03);
}

@media (max-width: 992px) {
    .hero-title {
        font-size: 2.75rem;
    }
    .hero-image-wrapper img {
        height: 360px;
    }
}

/* ==========================================================================
   3. SECTION - UNE SOLUTION COMPLÈTE
   ========================================================================== */
.complete-solution {
    background-color: var(--color-bg-light);
}

.solution-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 992px) {
    .solution-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.solution-left {
    max-width: 540px;
}

.solution-intro {
    font-size: 1.1rem;
    margin-top: 1.5rem;
}

.solution-right {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.solution-list-title {
    font-family: var(--font-title);
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.solution-items {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    list-style: none;
}

@media (max-width: 480px) {
    .solution-items {
        grid-template-columns: 1fr;
    }
}

.solution-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

.solution-item svg {
    color: var(--color-success);
    flex-shrink: 0;
}

/* ==========================================================================
   4. SECTION - NOTRE DIFFÉRENCE
   ========================================================================== */
.difference {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.difference .section-title {
    color: var(--color-white);
}

.difference-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
    align-items: flex-start;
}

@media (max-width: 992px) {
    .difference-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.diff-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.diff-description {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.8);
}

.diff-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
}

.diff-steps::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 20px;
    bottom: 15px;
    width: 2px;
    background-color: rgba(255, 255, 255, 0.15);
}

.diff-step {
    display: flex;
    gap: 1.5rem;
    background-color: rgba(255, 255, 255, 0.03);
    padding: 1.25rem 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    transition: all var(--transition-fast);
}

.diff-step:hover {
    background-color: rgba(255, 255, 255, 0.06);
    border-color: var(--color-accent);
}

.diff-step-num {
    background-color: var(--color-accent);
    color: var(--color-primary);
    font-family: var(--font-title);
    font-size: 1.125rem;
    font-weight: 700;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    z-index: 2;
    box-shadow: 0 0 0 4px var(--color-primary);
}

.diff-step-content h3 {
    color: var(--color-white);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.diff-step-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0;
}

/* Highlight badge */
.diff-highlight {
    background-color: rgba(230, 161, 0, 0.15);
    border: 1px solid var(--color-accent);
    padding: 1rem 1.25rem;
    border-radius: 6px;
    font-size: 0.95rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-top: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* ==========================================================================
   5. SECTION - PAS SEULEMENT DES ORDINATEURS
   ========================================================================== */
.pedagogy {
    background-color: var(--color-white);
}

.pedagogy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 992px) {
    .pedagogy-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.pedagogy-text {
    max-width: 540px;
}

.pedagogy-visual {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    box-shadow: var(--shadow-sm);
}

/* Network Schema style */
.schema-node {
    background-color: var(--color-white);
    border: 2px solid var(--color-primary);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 700;
    font-family: var(--font-title);
    text-align: center;
    box-shadow: var(--shadow-md);
    position: relative;
}

.schema-node-master {
    border-color: var(--color-accent);
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 1rem 2rem;
}

.schema-connector {
    width: 2px;
    height: 40px;
    background-color: var(--color-accent);
    position: relative;
}

.schema-connector::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -4px;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--color-accent);
}

.schema-children {
    display: flex;
    gap: 1.5rem;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
}

.schema-node-child {
    font-size: 0.85rem;
    border-color: var(--color-secondary);
}

/* ==========================================================================
   6. SECTION - CE QUE SATI INSTALLE
   ========================================================================== */
.installations {
    background-color: var(--color-bg-light);
}

.install-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}

.install-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    padding: 2rem 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
}

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

.install-icon-box {
    width: 48px;
    height: 48px;
    background-color: var(--color-bg-light);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    margin-bottom: 1.25rem;
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.svg-icon {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.install-card:hover .install-icon-box {
    background-color: var(--color-accent-light);
    color: var(--color-primary);
    border-color: var(--color-accent);
}

.install-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.install-card p {
    font-size: 0.875rem;
    line-height: 1.45;
    margin: 0;
}

/* ==========================================================================
   7. AVANTAGES POUR L'ÉTABLISSEMENT
   ========================================================================== */
.benefits {
    background-color: var(--color-white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 992px) {
    .benefits-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

.benefit-card {
    border: 1px solid var(--color-border);
    border-top: 4px solid var(--color-primary);
    padding: 2.25rem 1.75rem;
    border-radius: 8px;
    background-color: var(--color-white);
    transition: all var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--color-accent);
}

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.benefit-card p {
    font-size: 0.95rem;
    line-height: 1.55;
    margin: 0;
}

/* ==========================================================================
   8. COURS ET PROGRAMME
   ========================================================================== */
.curriculum {
    background-color: var(--color-bg-light);
}

.curriculum-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 992px) {
    .curriculum-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.curriculum-text {
    max-width: 500px;
}

.curriculum-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    list-style: none;
}

@media (max-width: 640px) {
    .curriculum-list {
        grid-template-columns: 1fr;
    }
}

.curriculum-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    padding: 1rem 1.25rem;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 0.95rem;
    transition: border-color var(--transition-fast);
}

.curriculum-item:hover {
    border-color: var(--color-accent);
}

.curriculum-item svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

/* ==========================================================================
   9. PARTENARIAT TIMELINE
   ========================================================================== */
.partnership {
    background-color: var(--color-white);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--color-border);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

@media (max-width: 768px) {
    .timeline::after {
        left: 31px;
    }
}

.timeline-container {
    padding: 1rem 2.5rem;
    position: relative;
    width: 50%;
    margin-bottom: 2rem;
}

.timeline-container::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    right: -7px;
    background-color: var(--color-white);
    border: 3px solid var(--color-accent);
    top: 26px;
    border-radius: 50%;
    z-index: 1;
}

.timeline-left {
    left: 0;
    text-align: right;
    padding-right: 3rem;
}

.timeline-right {
    left: 50%;
    padding-left: 3rem;
}

.timeline-right::after {
    left: -7px;
}

@media (max-width: 768px) {
    .timeline-container {
        width: 100%;
        padding-left: 4.5rem;
        padding-right: 1.5rem;
        text-align: left;
    }
    .timeline-container::after {
        left: 23px;
        top: 26px;
    }
    .timeline-left {
        left: 0;
    }
    .timeline-right {
        left: 0;
    }
}

.timeline-content {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    padding: 1.5rem 1.75rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.timeline-step {
    font-family: var(--font-title);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.timeline-content h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    font-size: 0.875rem;
    margin: 0;
}

/* Callout highlight in partnership */
.partnership-callout {
    max-width: 700px;
    margin: 4rem auto 0;
    background-color: var(--color-accent-light);
    border: 1px solid var(--color-accent);
    padding: 1.5rem 2rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 700;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   10. RÉALISATIONS (PORTFOLIO)
   ========================================================================== */
.realisations {
    background-color: var(--color-bg-light);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 992px) {
    .portfolio-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

.portfolio-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.portfolio-img-box {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.portfolio-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.portfolio-card:hover .portfolio-img-box img {
    transform: scale(1.05);
}

.portfolio-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.portfolio-location {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
    letter-spacing: 0.5px;
}

.portfolio-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.portfolio-card p {
    font-size: 0.875rem;
    line-height: 1.5;
    margin: 0;
}

/* ==========================================================================
   11. TÉMOIGNAGES
   ========================================================================== */
.testimonials {
    background-color: var(--color-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 992px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

.testimonial-card {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    padding: 2.25rem;
    border-radius: 8px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-quote {
    font-size: 1rem;
    font-style: italic;
    color: var(--color-text-dark);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.avatar-initials {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--color-secondary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-title);
    font-weight: 700;
    font-size: 1rem;
}

.testimonial-role {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   12. FAQ (ACCORDÉON)
   ========================================================================== */
.faq {
    background-color: var(--color-bg-light);
}

.faq-wrapper {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-fast);
}

.faq-item:hover {
    border-color: var(--color-accent);
}

.faq-question-btn {
    width: 100%;
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: var(--font-title);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: left;
    gap: 1rem;
}

.faq-icon {
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    transition: transform var(--transition-normal);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal) ease-out;
}

.faq-answer-inner {
    padding: 0 1.5rem 1.25rem;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text-muted);
}

/* Active FAQ states */
.faq-item.active {
    border-color: var(--color-accent);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: var(--color-accent);
}

.faq-item.active .faq-answer {
    max-height: 300px; /* safety margin height */
}

/* ==========================================================================
   13. FORMULAIRE DE DEMANDE (CONTACT)
   ========================================================================== */
.contact-section {
    background-color: var(--color-white);
}

.contact-card {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 3rem;
    box-shadow: var(--shadow-lg);
}

@media (max-width: 640px) {
    .contact-card {
        padding: 1.75rem;
    }
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

@media (max-width: 640px) {
    .contact-form {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group-full {
    grid-column: span 2;
}

@media (max-width: 640px) {
    .form-group-full {
        grid-column: span 1;
    }
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.8rem 1rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    border: 1.5px solid var(--color-border);
    border-radius: 6px;
    background-color: var(--color-white);
    color: var(--color-text-dark);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(18, 60, 105, 0.15);
}

/* Radio field design styling */
.form-group-radios {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.25rem;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 500;
}

.radio-option input {
    cursor: pointer;
}

.form-submit-wrapper {
    grid-column: span 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

@media (max-width: 640px) {
    .form-submit-wrapper {
        grid-column: span 1;
    }
}

.form-feedback {
    width: 100%;
    text-align: center;
    padding: 0.8rem;
    border-radius: 6px;
    font-weight: 600;
    display: none;
}

.form-feedback.success {
    display: block;
    background-color: #D1FAE5;
    color: var(--color-success);
    border: 1px solid #10B981;
}

.form-feedback.error {
    display: block;
    background-color: #FEE2E2;
    color: #991B1B;
    border: 1px solid #EF4444;
}

/* ==========================================================================
   14. BOUTON FLOATING WHATSAPP
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.whatsapp-float:hover {
    background-color: #128C7E;
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }
}

/* ==========================================================================
   15. FOOTER
   ========================================================================== */
footer.site-footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

.footer-about h3 {
    color: var(--color-white);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    max-width: 320px;
}

.footer-links-title {
    font-family: var(--font-title);
    color: var(--color-white);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links-list a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer-links-list a:hover {
    color: var(--color-accent);
}

.footer-contact-items {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-contact-item svg {
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a {
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--color-white);
}

/* ==========================================================================
   16. SCROLL ENTRANCE ANIMATIONS
   ========================================================================== */
.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   17. ECO-SYSTEME D'ADMINISTRATION (TABLEAU DE BORD)
   ========================================================================== */
.admin-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
    background-color: #F1F5F9;
}

@media (max-width: 768px) {
    .admin-layout {
        grid-template-columns: 1fr;
    }
}

.admin-sidebar {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

@media (max-width: 768px) {
    .admin-sidebar {
        padding: 1.5rem;
        gap: 1.5rem;
    }
}

.admin-sidebar-header {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.admin-sidebar-logo {
    font-family: var(--font-title);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-white);
}

.admin-sidebar-tag {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
}

.admin-nav-item:hover,
.admin-nav-item.active {
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.08);
}

.admin-nav-item.active {
    border-left: 3px solid var(--color-accent);
    border-radius: 0 6px 6px 0;
    background-color: rgba(255, 255, 255, 0.12);
}

.admin-main {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    overflow-y: auto;
}

@media (max-width: 768px) {
    .admin-main {
        padding: 1.5rem;
        gap: 1.5rem;
    }
}

.admin-main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-main-title h1 {
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}

.admin-main-title p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* Cartes Statistiques */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

@media (max-width: 1200px) {
    .admin-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .admin-stats-grid {
        grid-template-columns: 1fr;
    }
}

.admin-stat-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stat-card-info h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--color-text-muted);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.stat-card-info .stat-value {
    font-family: var(--font-title);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-secondary);
}

/* Zone Graphique & Avancement */
.admin-visuals-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 1.5rem;
}

@media (max-width: 992px) {
    .admin-visuals-grid {
        grid-template-columns: 1fr;
    }
}

.admin-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
}

.admin-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.75rem;
}

.admin-card-header h2 {
    font-size: 1.2rem;
    color: var(--color-primary);
}

/* Tableau de données */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: 6px;
    border: 1px solid var(--color-border);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
    background-color: var(--color-white);
}

.admin-table th {
    background-color: var(--color-bg-light);
    color: var(--color-primary);
    font-weight: 700;
    padding: 1rem;
    border-bottom: 2px solid var(--color-border);
}

.admin-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
    color: var(--color-text-dark);
}

.admin-table tr:hover td {
    background-color: #F8FAFC;
}

/* Badges de Statut */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50px;
    text-transform: uppercase;
    text-align: center;
}

.status-pending {
    background-color: #FEF3C7;
    color: #D97706;
}

.status-visited {
    background-color: #DBEAFE;
    color: #2563EB;
}

.status-signed {
    background-color: #D1FAE5;
    color: #059669;
}

.status-completed {
    background-color: #ECEFfe;
    color: #4F46E5;
}

/* Actions Admin */
.action-group {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    background-color: var(--color-white);
    color: var(--color-text-muted);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.action-btn-email {
    background-color: var(--color-secondary);
    color: var(--color-white);
    border: none;
}

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

.action-btn-whatsapp {
    background-color: #25D366;
    color: var(--color-white);
    border: none;
}

.action-btn-whatsapp:hover {
    background-color: #128C7E;
    color: var(--color-white);
}

/* Filtres d'administration */
.admin-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.admin-filter-input {
    padding: 0.6rem 1rem;
    font-size: 0.875rem;
    border: 1.5px solid var(--color-border);
    border-radius: 6px;
    min-width: 200px;
    outline: none;
}

.admin-filter-input:focus {
    border-color: var(--color-secondary);
}

/* Modale Interactive */
.admin-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(11, 31, 58, 0.4);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.admin-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.admin-modal-content {
    background-color: var(--color-white);
    border-radius: 8px;
    width: 100%;
    max-width: 600px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.admin-modal.active .admin-modal-content {
    transform: translateY(0);
}

.admin-modal-header {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-modal-header h3 {
    color: var(--color-white);
    font-size: 1.15rem;
    margin: 0;
}

.admin-modal-close {
    background: transparent;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    opacity: 0.8;
}

.admin-modal-close:hover {
    opacity: 1;
}

.admin-modal-body {
    padding: 1.5rem;
}

.email-preview-box {
    background-color: var(--color-bg-light);
    border: 1px dashed var(--color-border);
    padding: 1.25rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    font-family: monospace;
    font-size: 0.85rem;
    white-space: pre-wrap;
    color: var(--color-text-dark);
}

.admin-modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    background-color: var(--color-bg-light);
}

/* Liste de réalisations en barre d'avancement */
.admin-realisations-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.admin-realisation-progress {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 600;
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background-color: var(--color-border);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--color-accent);
    border-radius: 4px;
}

/* ==========================================================================
   Espace Administration - Protection Temporaire
   ========================================================================== */
.admin-auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 31, 58, 0.98); /* Deep brand color */
    backdrop-filter: blur(8px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    box-sizing: border-box;
}

.auth-card {
    background-color: white;
    padding: 2.5rem;
    border-radius: 12px;
    max-width: 480px;
    width: 100%;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    text-align: center;
    box-sizing: border-box;
}

.auth-logo-wrapper {
    background-color: #F8FAFC;
    padding: 1rem;
    border-radius: 8px;
    display: inline-block;
    margin-bottom: 1.5rem;
    border: 1px solid var(--color-border);
}

.auth-logo-wrapper img {
    height: 48px;
    width: auto;
    display: block;
}

.auth-card h2 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-top: 0;
    margin-bottom: 1rem;
    font-weight: 700;
    font-family: var(--font-title);
}

.auth-notice {
    background-color: #EFF6FF;
    border-left: 4px solid var(--color-primary);
    color: #1E40AF;
    padding: 1rem;
    border-radius: 4px;
    font-size: 0.95rem;
    text-align: left;
    margin-bottom: 1.2rem;
    line-height: 1.4;
    font-weight: 500;
}

.auth-description {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.5;
    text-align: left;
}