/* ============================================
   VARIABLES CSS - MODIFIER LES COULEURS ICI
   ============================================ */
:root {
    /* Couleurs principales PlateOne */
    --color-primary: #1E4D3B;
    --color-primary-light: #2F6B52;
    --color-accent: #D9A441;
    --color-beige: #F2E8D8;
    --color-bg: #F8F7F3;
    --color-white: #FFFFFF;
    
    /* Texte */
    --color-text-dark: #1A1A1A;
    --color-text-muted: #5E5E5E;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.18);
    --glass-border: rgba(255, 255, 255, 0.28);
    --glass-shadow: 0 8px 32px rgba(30, 77, 59, 0.08);
    
    /* Espacement */
    --section-padding: 120px;
    --container-max: 1200px;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--color-bg);
    color: var(--color-text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: var(--section-padding) 0;
}

/* ============================================
   HEADER STICKY
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(248, 247, 243, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition-smooth);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--color-text-dark);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition-smooth);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-dark);
    transition: var(--transition-smooth);
}

/* ============================================
   BOUTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 16px rgba(30, 77, 59, 0.2);
}

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(30, 77, 59, 0.25);
}

.btn-primary-small {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 14px;
}

.btn-primary-small:hover {
    background: var(--color-primary-light);
}

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

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    padding-top: 140px;
    padding-bottom: 80px;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
}

.hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* ============================================
   GLASS CARDS
   ============================================ */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 32px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(30, 77, 59, 0.12);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.section-title.center {
    text-align: center;
    margin-bottom: 48px;
}

.section-intro {
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-text-muted);
}

/* ============================================
   CONCEPT SECTION - STEPS
   ============================================ */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.step-card {
    text-align: center;
}

.step-number {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.step-text {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.step-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
    margin-top: 20px;
}

/* ============================================
   BENEFITS SECTION
   ============================================ */
.benefits {
    background: linear-gradient(135deg, rgba(30, 77, 59, 0.03), rgba(242, 232, 216, 0.3));
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.benefit-card {
    background: var(--color-white);
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(30, 77, 59, 0.1);
}

.benefit-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.benefit-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.4;
}

/* ============================================
   BRANDS SECTION
   ============================================ */
.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.brand-card {
    overflow: hidden;
    padding: 0;
}

.brand-image-wrapper {
    width: 100%;
    height: 280px;
    overflow: hidden;
}

.brand-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.brand-card:hover .brand-image {
    transform: scale(1.05);
}

.brand-content {
    padding: 28px;
}

.brand-name {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.brand-description {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-muted);
}

/* ============================================
   TESTIMONIALS / SOCIAL PROOF
   ============================================ */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.testimonial-card {
    padding: 36px;
}

.testimonial-quote {
    font-size: 17px;
    line-height: 1.7;
    color: var(--color-text-dark);
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-image {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-primary);
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
    text-align: left;
    font-family: inherit;
    transition: var(--transition-smooth);
}

.faq-question:hover {
    color: var(--color-primary-light);
}

.faq-icon {
    font-size: 24px;
    font-weight: 300;
    transition: var(--transition-smooth);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding-bottom: 24px;
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text-muted);
}

/* ============================================
   CALENDLY SECTION
   ============================================ */
.calendly-section {
    background: linear-gradient(135deg, rgba(30, 77, 59, 0.03), rgba(242, 232, 216, 0.3));
}

.calendly-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 48px;
}

.calendly-intro {
    text-align: center;
    font-size: 18px;
    color: var(--color-text-muted);
    margin-bottom: 40px;
}

.calendly-embed {
    border-radius: 12px;
    overflow: hidden;
}

.calendly-fallback {
    text-align: center;
    margin-top: 24px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 60px 0 32px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.footer-tagline {
    font-size: 14px;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-link {
    color: var(--color-white);
    text-decoration: none;
    font-size: 15px;
    transition: var(--transition-smooth);
}

.footer-link:hover {
    opacity: 0.7;
}

.footer-bottom {
    text-align: center;
    font-size: 14px;
    opacity: 0.7;
}

/* ============================================
   RESPONSIVE - TABLET
   ============================================ */
@media (max-width: 968px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 36px;
    }
}

/* ============================================
   RESPONSIVE - MOBILE
   ============================================ */
@media (max-width: 640px) {
    :root {
        --section-padding: 60px;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav.mobile-active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(248, 247, 243, 0.98);
        backdrop-filter: blur(20px);
        padding: 24px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
        gap: 16px;
    }
    
    .hero {
        padding-top: 100px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 17px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .brands-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 16px;
    }
    
    .calendly-wrapper {
        padding: 32px 24px;
    }
}

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

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

/* Smooth scroll offset pour le header sticky */
section {
    scroll-margin-top: 80px;
}