/* ============================================
   VARIABLES CSS
   ============================================ */
:root {
    --primary-color: #1E90FF;
    --secondary-color: #FF6B35;
    --light-gray: #F8F9FA;
    --dark-gray: #333;
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 6px 12px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
    
    /* Couleurs de fond pour les sections */
    --bg-why: #F0F7FF;
    --bg-particuliers: #FFFFFF;
    --bg-commercants: #F8F9FA;
    --bg-collectivites: #E6F2FF;
}

/* ============================================
   RESET & BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: sticky;
    top: 0;
    background-color: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 16px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: none;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition);
    padding: 8px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* Hamburger menu (mobile) */
.hamburger {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
    padding: 8px;
}

/* Sidebar mobile */
.nav-sidebar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.1);
    padding: 80px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    transition: var(--transition);
    z-index: 999;
}

.nav-sidebar.open {
    right: 0;
}

.nav-sidebar a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-sidebar a:hover {
    color: var(--secondary-color);
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: 80px 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-title {
    text-align: center;
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.section-slogan {
    text-align: center;
    color: var(--secondary-color);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--dark-gray);
    max-width: 800px;
    margin: 0 auto 48px;
}

.subsection-title {
    text-align: center;
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 600;
    margin: 48px 0 32px;
}

.section-cta {
    text-align: center;
    margin-top: 48px;
}

/* Couleurs de fond pour chaque section */
.section-why {
    background-color: var(--bg-why);
}

.section-particuliers {
    background-color: var(--bg-particuliers);
}

.section-commercants {
    background-color: var(--bg-commercants);
}

.section-collectivites {
    background-color: var(--bg-collectivites);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--white);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Modification 1: gradient plus sombre pour meilleure lisibilite */
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.6));
    z-index: 0;
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 900px;
    padding: 0 24px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 32px;
    line-height: 1.6;
}

/* ============================================
   CARTES (Pourquoi equiprix)
   ============================================ */
.cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 48px;
}

.card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 32px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.card h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.card p {
    color: var(--dark-gray);
    line-height: 1.6;
}

/* ============================================
   STEPS (Particuliers & Commercants)
   ============================================ */
.steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    margin-top: 48px;
    align-items: stretch;
}


.step {
    text-align: center;
    display: flex;
    flex-direction: column;
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.step h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.step p {
    color: var(--dark-gray);
    margin-bottom: 24px;
}

.step img.maquette-image {
    margin-top: auto;
    margin-bottom: 0;
}

/* ============================================
   COMMERCANTS INTRO
   ============================================ */
.commercants-intro {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-top: 32px;
    display: flex;
    align-items: flex-end;
}

.commercants-item {
    text-align: center;
}

.commercants-item h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 16px;
}

/* ============================================
   MAQUETTES
   ============================================ */
.maquette-image {
    width: 100%;
    max-width: 800px;
    border-radius: var(--border-radius);
    /* Modification 2: suppression de l'ombre */
    box-shadow: none;
    margin: 24px auto;
    display: block;
    position: relative;
    bottom: 0;

}

/* Conteneur pour aligner les images par le bas */
.maquette-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    min-height: 300px;
    width: 100%;
}

/* ============================================
   COLLECTIVITES
   ============================================ */
.piliers {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 48px;
}

.pilier {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 32px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.pilier:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.pilier-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.pilier h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.pilier p {
    color: var(--dark-gray);
    line-height: 1.6;
}

.benefices {
    margin-top: 48px;
    text-align: center;
}

.benefices-text {
    font-size: 1.2rem;
    color: var(--dark-gray);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 48px 0;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.footer-logo .logo-img {
    height: 40px;
    filter: brightness(0) invert(1);
}

.footer-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--secondary-color);
}

.copyright {
    margin-top: 0px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* ============================================
   BOUTONS
   ============================================ */
.btn-primary {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
}

.btn-primary:hover {
    background-color: #1976D2;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(30, 144, 255, 0.3);
}

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

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    
    .hamburger {
        display: none;
    }
    
    .section {
        padding: 100px 0;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .cards {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .steps {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .commercants-intro {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .piliers {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Modification 3: Alignement des images par le bas sur desktop */
    .step,
    .commercants-item {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .maquette-container {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        align-items: center;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 48px;
    }
    
    .hero h1 {
        font-size: 4rem;
    }
}

/* ============================================
   UTILITAIRES
   ============================================ */
/* Masquer le sidebar par defaut sur desktop */
@media (min-width: 768px) {
    .nav-sidebar {
        display: none;
    }
}