/* =====================================================
   LYHA — One-Page Marketing
   Charte graphique : Premium Minimal, Tech Discret
   Typographies : Philosopher (titres) + Oxygen (corps)
   ===================================================== */

/* ======================= VARIABLES ======================= */
:root {
    /* Couleurs */
    --noir: #0D0909;
    --blanc: #F5F7F7;
    --bleu-clarte: #668EEC;
    --bleu-decision: #0D1A3A;
    --brun: #A6754B;
    --vert-accent: #56B587;
    
    /* Couleurs utilitaires */
    --text-primary: var(--noir);
    --text-secondary: #4a4a4a;
    --text-muted: #6b7280;
    --bg-primary: var(--blanc);
    --bg-section-alt: #ffffff;
    --border-light: rgba(13, 9, 9, 0.08);
    --border-medium: rgba(13, 9, 9, 0.12);
    
    /* Typographies */
    --font-heading: 'Philosopher', Georgia, serif;
    --font-body: 'Oxygen', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Espacements */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Layout */
    --container-max: 1200px;
    --header-height: 72px;
    
    /* Coins identitaires (chanfreinés) */
    --radius-card: 2px 12px 2px 12px;
    --radius-btn: 2px 8px 2px 8px;
    --radius-badge: 2px 6px 2px 6px;
    --radius-input: 2px 8px 2px 8px;
    
    /* Ombres légères */
    --shadow-sm: 0 1px 3px rgba(13, 9, 9, 0.04);
    --shadow-md: 0 4px 12px rgba(13, 9, 9, 0.06);
    --shadow-lg: 0 8px 24px rgba(13, 9, 9, 0.08);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

/* ======================= RESET ======================= */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ======================= TYPOGRAPHY ======================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }

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

.text-accent {
    color: var(--bleu-clarte);
}

/* ======================= LAYOUT ======================= */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-lg);
    }
}

.section {
    padding: var(--space-2xl) 0;
}

@media (min-width: 640px) {
    .section {
        padding: var(--space-3xl) 0;
    }
}

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

.section__header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-2xl);
}

.section__title {
    margin-top: var(--space-md);
    margin-bottom: var(--space-md);
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
}

/* ======================= COMPONENTS ======================= */

/* Badge */
.badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--bleu-clarte);
    background-color: rgba(102, 142, 236, 0.1);
    border-radius: var(--radius-badge);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-btn);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--primary {
    color: #ffffff;
    background-color: var(--bleu-decision);
    border: 2px solid var(--bleu-decision);
}

.btn--primary:hover {
    background-color: #162850;
    border-color: #162850;
}

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

.btn--secondary:hover {
    background-color: var(--bleu-decision);
    color: #ffffff;
}

.btn--lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Green accent button variant for high-visibility CTAs */
.btn--accent {
    color: #ffffff;
    background-color: var(--vert-accent);
    border: 2px solid var(--vert-accent);
}

.btn--accent:hover {
    background-color: #4aa377;
    border-color: #4aa377;
}

/* ======================= HEADER ======================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(245, 247, 247, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-light);
    height: var(--header-height);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.header__logo {
    flex-shrink: 0;
}

.header__logo-img {
    height: 44px;
    width: auto;
}

@media (min-width: 768px) {
    .header__logo-img {
        height: 64px;
    }
}

.header__nav {
    display: none;
}

.header__nav-list {
    display: flex;
    gap: var(--space-xl);
}

.header__nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.header__nav-link:hover {
    color: var(--bleu-clarte);
}

.header__cta {
    display: none;
}

.header__menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.header__menu-bar {
    width: 24px;
    height: 2px;
    background-color: var(--noir);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.header__menu-toggle[aria-expanded="true"] .header__menu-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.header__menu-toggle[aria-expanded="true"] .header__menu-bar:nth-child(2) {
    opacity: 0;
}

.header__menu-toggle[aria-expanded="true"] .header__menu-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav */
.header__nav.is-open {
    display: flex;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--blanc);
    border-bottom: 1px solid var(--border-light);
    padding: var(--space-lg);
}

.header__nav.is-open .header__nav-list {
    flex-direction: column;
    width: 100%;
    gap: var(--space-md);
}

.header__nav.is-open .header__nav-link {
    display: block;
    padding: var(--space-sm) 0;
}

@media (min-width: 768px) {
    .header__nav {
        display: flex;
    }
    
    .header__cta {
        display: inline-flex;
    }
    
    .header__menu-toggle {
        display: none;
    }
}

/* ======================= HERO ======================= */
.hero {
    padding-top: calc(var(--header-height) + var(--space-2xl));
    padding-bottom: var(--space-2xl);
    min-height: auto;
    display: flex;
    align-items: center;
}

@media (min-width: 768px) {
    .hero {
        padding-top: calc(var(--header-height) + var(--space-4xl));
        padding-bottom: var(--space-4xl);
        min-height: 100vh;
    }
}

.hero__container {
    display: grid;
    gap: var(--space-3xl);
    align-items: center;
}

.hero__content {
    max-width: 560px;
}

.hero__title {
    margin-top: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.hero__text {
    font-size: 1.125rem;
    margin-bottom: var(--space-xl);
}

.hero__cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.hero__cta .btn {
    width: 100%;
    justify-content: center;
}

@media (min-width: 480px) {
    .hero__cta {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .hero__cta .btn {
        width: auto;
    }
}

.hero__stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-light);
}

@media (min-width: 640px) {
    .hero__stats {
        gap: var(--space-xl);
    }
}

.hero__stat {
    text-align: center;
    flex: 1;
    min-width: 80px;
}

.hero__stat-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--vert-accent);
}

@media (min-width: 640px) {
    .hero__stat-value {
        font-size: 1.5rem;
    }
}

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

@media (min-width: 640px) {
    .hero__stat-label {
        font-size: 0.875rem;
    }
}

/* Mockup */
.hero__visual {
    display: none;
    justify-content: center;
}

@media (min-width: 768px) {
    .hero__visual {
        display: flex;
    }
}

.mockup {
    width: 100%;
    max-width: 420px;
    background-color: #ffffff;
    border-radius: var(--radius-card);
    border: 1px solid var(--border-medium);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.mockup__header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background-color: var(--bleu-decision);
}

.mockup__dots {
    display: flex;
    gap: 6px;
}

.mockup__dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
}

.mockup__title {
    font-size: 0.875rem;
    font-weight: 600;
    color: #ffffff;
}

.mockup__body {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.mockup__message {
    max-width: 85%;
    padding: var(--space-md);
    border-radius: var(--radius-card);
    font-size: 0.875rem;
    line-height: 1.5;
}

.mockup__message--user {
    align-self: flex-end;
    background-color: var(--bleu-decision);
    color: #ffffff;
}

.mockup__message--ai {
    align-self: flex-start;
    background-color: rgba(102, 142, 236, 0.1);
    color: var(--text-primary);
}

.mockup__message-text {
    display: block;
}

.mockup__badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: var(--space-sm);
    padding: 4px 8px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--bleu-clarte);
    background-color: rgba(102, 142, 236, 0.15);
    border-radius: var(--radius-badge);
}

.mockup__badge svg {
    width: 12px;
    height: 12px;
}

@media (min-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-4xl);
    }
    
    .hero__content {
        max-width: none;
    }
}

/* ======================= FEATURES ======================= */

/* Solution Blocks (RAG & Multi-Agents) */
.solution-block {
    display: grid;
    gap: var(--space-2xl);
    align-items: center;
    margin-bottom: var(--space-4xl);
    padding: var(--space-2xl);
    background-color: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
}

.solution-block__content {
    max-width: 560px;
}

.solution-block__title {
    margin-top: var(--space-md);
    margin-bottom: var(--space-md);
}

.solution-block__text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.solution-block__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.solution-block__list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.solution-block__list svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--bleu-clarte);
}

.solution-block__visual {
    display: flex;
    justify-content: center;
}

.badge--small {
    font-size: 0.6875rem;
    padding: 3px 10px;
}

/* Small mockup variant */
.mockup--small {
    max-width: 340px;
    font-size: 0.875rem;
}

.mockup--small .mockup__body {
    padding: var(--space-md);
}

.mockup--small .mockup__message {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.8125rem;
}

.mockup__source {
    display: block;
    margin-top: var(--space-xs);
    font-size: 0.75rem;
    color: var(--bleu-clarte);
}

/* Agents grid */
.agents-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.agents-grid__center {
    display: flex;
    justify-content: center;
}

.agents-grid__items {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 480px) {
    .agents-grid__items {
        grid-template-columns: repeat(2, 1fr);
    }
}

.agent-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background-color: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.agent-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--bleu-clarte);
}

.agent-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: rgba(102, 142, 236, 0.1);
    border-radius: 50%;
    color: var(--bleu-clarte);
}

.agent-card__title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

/* Main orchestrator card */
.agent-card--main {
    background: linear-gradient(135deg, var(--bleu-decision) 0%, #1a2d5a 100%);
    border-color: transparent;
    padding: var(--space-xl) var(--space-2xl);
    box-shadow: 0 8px 24px rgba(13, 26, 58, 0.25);
}

.agent-card--main:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(13, 26, 58, 0.35);
    border-color: transparent;
}

.agent-card--main .agent-card__icon {
    background-color: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    width: 56px;
    height: 56px;
}

.agent-card--main .agent-card__title {
    color: #ffffff;
    font-size: 1rem;
}

.agent-card--main .agent-card__desc {
    color: rgba(255, 255, 255, 0.7);
}

@media (min-width: 1024px) {
    .solution-block {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-4xl);
    }
    
    .solution-block--reverse {
        direction: rtl;
    }
    
    .solution-block--reverse > * {
        direction: ltr;
    }
    
    .solution-block__content {
        max-width: none;
    }
}

/* Compact features grid */
.features-grid--compact {
    margin-top: var(--space-2xl);
}

.features-grid {
    display: grid;
    gap: var(--space-lg);
}

.feature-card {
    padding: var(--space-xl);
    background-color: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    transition: box-shadow var(--transition-base);
}

.feature-card:hover {
    box-shadow: var(--shadow-md);
}

.feature-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin-bottom: var(--space-lg);
    background-color: rgba(102, 142, 236, 0.1);
    border-radius: var(--radius-card);
    color: var(--bleu-clarte);
}

.feature-card__title {
    margin-bottom: var(--space-sm);
}

.feature-card__text {
    font-size: 0.9375rem;
    color: var(--text-muted);
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ======================= REFERENCES ======================= */
.references {
    background-color: var(--bg-section-alt);
}

.references-grid {
    display: grid;
    gap: var(--space-lg);
}

.reference-card {
    padding: var(--space-xl);
    background-color: var(--blanc);
    border: 1px solid var(--border-light);
    border-left: 3px solid var(--brun);
    border-radius: var(--radius-card);
}

.reference-card__logo {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    height: 48px;
    margin-bottom: var(--space-lg);
}

.reference-card__logo-img {
    max-height: 40px;
    max-width: 160px;
    width: auto;
    object-fit: contain;
}

.reference-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-lg);
    background-color: rgba(166, 117, 75, 0.1);
    border-radius: var(--radius-card);
    color: var(--brun);
}

.reference-card__title {
    margin-bottom: var(--space-md);
    color: var(--bleu-decision);
}

.reference-card__text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.reference-card__link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--bleu-clarte);
}

@media (min-width: 768px) {
    .references-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ======================= SHOWCASE BANNER (SNCF/JO) ======================= */
.showcase-banner {
    padding: var(--space-xl) 0;
    background: linear-gradient(135deg, rgba(86, 181, 135, 0.08) 0%, rgba(102, 142, 236, 0.05) 100%);
    border-bottom: 1px solid var(--border-light);
}

.showcase-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background-color: #ffffff;
    border: 2px solid var(--vert-accent);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-md);
}

.showcase-card__badge {
    text-align: center;
}

.badge--highlight {
    background-color: var(--vert-accent);
    color: #ffffff;
}

.showcase-card__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    align-items: center;
    text-align: center;
}

.showcase-card__logo {
    flex-shrink: 0;
}

.showcase-card__logo-img {
    max-height: 50px;
    width: auto;
}

.showcase-card__text {
    flex: 1;
}

.showcase-card__title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.showcase-card__desc {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.showcase-card__stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-md);
}

.showcase-stat {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background-color: rgba(86, 181, 135, 0.1);
    border-radius: var(--radius-badge);
    font-size: 0.875rem;
    color: var(--text-primary);
}

.showcase-stat strong {
    color: var(--vert-accent);
    font-weight: 700;
}

.showcase-card__meta {
    font-size: 0.9375rem;
    color: var(--bleu-decision);
    font-style: italic;
}

.showcase-card__meta strong {
    font-style: normal;
}

@media (min-width: 768px) {
    .showcase-card__content {
        flex-direction: row;
        text-align: left;
    }
    
    .showcase-card__stats {
        justify-content: flex-start;
    }
    
    .showcase-card__logo-img {
        max-height: 60px;
    }
}

/* Highlight stats in reference cards */
.highlight-stat {
    color: var(--vert-accent);
    font-weight: 600;
}

.reference-card__meta {
    margin-top: var(--space-sm);
    font-size: 0.875rem;
    color: var(--bleu-decision);
    font-style: italic;
}

.reference-card__meta strong {
    font-style: normal;
}

/* ======================= USE CASES ======================= */
.usecases-grid {
    display: grid;
    gap: var(--space-lg);
}

.usecase-card {
    padding: var(--space-xl);
    background-color: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    text-align: center;
}

.usecase-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-lg);
    background-color: rgba(13, 26, 58, 0.05);
    border-radius: 50%;
    color: var(--bleu-decision);
}

.usecase-card__title {
    margin-bottom: var(--space-sm);
}

.usecase-card__text {
    font-size: 0.9375rem;
    color: var(--text-muted);
}

@media (min-width: 768px) {
    .usecases-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ======================= PRICING ======================= */
.tarifs {
    background-color: var(--bg-section-alt);
}

.pricing-grid {
    display: grid;
    gap: var(--space-lg);
    align-items: start;
}

.pricing-card {
    position: relative;
    padding: var(--space-xl);
    background-color: var(--blanc);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
}

.pricing-card--featured {
    border-color: var(--bleu-decision);
    border-width: 2px;
}

.pricing-card__badge {
    position: absolute;
    top: 0;
    right: var(--space-lg);
    transform: translateY(-50%);
    padding: var(--space-xs) var(--space-md);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #ffffff;
    background-color: var(--bleu-decision);
    border-radius: var(--radius-badge);
}

.pricing-card__header {
    text-align: center;
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: var(--space-lg);
}

.pricing-card__name {
    margin-bottom: var(--space-md);
}

.pricing-card__price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-xs);
}

.pricing-card__amount {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--bleu-decision);
}

.pricing-card__period {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.pricing-card__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.pricing-card__features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.pricing-card__features svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--bleu-clarte);
}

.pricing-card__btn {
    width: 100%;
}

@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-card--featured {
        transform: scale(1.05);
    }
}

/* ======================= FORMATION ======================= */
.formation-grid {
    display: grid;
    gap: var(--space-lg);
}

.formation-card {
    padding: var(--space-xl);
    background-color: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
}

.formation-card--main {
    text-align: center;
}

.formation-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background-color: rgba(102, 142, 236, 0.1);
    border-radius: 50%;
    color: var(--bleu-clarte);
}

.formation-card__title {
    margin-bottom: var(--space-md);
}

.formation-card__text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.formation-card__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.formation-card__features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.formation-card__features svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--bleu-clarte);
}

.formation-card--wide {
    max-width: 720px;
}

.formation-grid--single {
    display: flex;
    justify-content: center;
}

.formation-card--partner {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: rgba(166, 117, 75, 0.05);
    border-color: var(--brun);
}

.formation-card__partner-badge {
    display: inline-block;
    margin-bottom: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--brun);
    background-color: rgba(166, 117, 75, 0.15);
    border-radius: var(--radius-badge);
    align-self: flex-start;
}

@media (min-width: 768px) {
    .formation-grid {
        grid-template-columns: 2fr 1fr;
    }
}

/* ======================= ACCOMPAGNEMENT ======================= */
.accompagnement {
    background-color: var(--blanc);
}

.accompagnement .steps-grid {
    margin-bottom: var(--space-4xl);
}

.accompagnement-block {
    display: grid;
    gap: var(--space-2xl);
    align-items: center;
    padding: var(--space-2xl);
    background-color: rgba(102, 142, 236, 0.05);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
}

.accompagnement-block__content {
    max-width: 560px;
}

.accompagnement-block__title {
    margin-top: var(--space-md);
    margin-bottom: var(--space-md);
}

.accompagnement-block__text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.accompagnement-block__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.accompagnement-block__list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.accompagnement-block__list svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--bleu-clarte);
}

.accompagnement-block__visual {
    display: flex;
    justify-content: center;
}

@media (min-width: 992px) {
    .accompagnement-block {
        grid-template-columns: 1fr 1fr;
    }
}

/* ======================= STEPS ======================= */
.deploiement {
    background-color: var(--bg-section-alt);
}

.steps-grid {
    display: grid;
    gap: var(--space-lg);
}

.step-card {
    position: relative;
    padding: var(--space-xl);
    padding-left: calc(var(--space-xl) + 48px);
    background-color: var(--blanc);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
}

.step-card__number {
    position: absolute;
    left: var(--space-xl);
    top: var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    background-color: var(--bleu-decision);
    border-radius: 50%;
}

.step-card__title {
    margin-bottom: var(--space-sm);
}

.step-card__text {
    font-size: 0.9375rem;
    color: var(--text-muted);
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .step-card {
        padding-left: var(--space-xl);
        padding-top: calc(var(--space-xl) + 48px);
    }
    
    .step-card__number {
        left: var(--space-xl);
        top: var(--space-xl);
    }
}

/* ======================= TEAM ======================= */
.team-grid {
    display: grid;
    gap: var(--space-lg);
}

.team-card {
    padding: var(--space-xl);
    background-color: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    text-align: center;
}

.team-card__avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-lg);
    background-color: rgba(13, 26, 58, 0.05);
    border-radius: 50%;
    color: var(--bleu-decision);
    overflow: hidden;
}

.team-card__photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-card__name {
    margin-bottom: var(--space-xs);
}

.team-card__role {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--bleu-clarte);
    margin-bottom: var(--space-sm);
}

.team-card__bio {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.team-card__linkedin {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: var(--space-md);
    color: var(--bleu-decision);
    transition: color var(--transition-fast);
}

.team-card__linkedin:hover {
    color: var(--vert-accent);
}

@media (min-width: 640px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .team-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ======================= CTA SECTION ======================= */
.cta-section {
    background-color: var(--bleu-decision);
}

.cta-block {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
}

.cta-block__title {
    color: #ffffff;
    margin-bottom: var(--space-md);
}

.cta-block__text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.125rem;
    margin-bottom: var(--space-xl);
}

.cta-block .btn--primary {
    background-color: #ffffff;
    color: var(--bleu-decision);
    border-color: #ffffff;
}

.cta-block .btn--primary:hover {
    background-color: var(--bleu-clarte);
    color: #ffffff;
    border-color: var(--bleu-clarte);
}

/* ======================= CONTACT ======================= */
.contact-grid {
    display: grid;
    gap: var(--space-3xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
    padding: 0.875rem 1rem;
    font-size: 1rem;
    color: var(--text-primary);
    background-color: #ffffff;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-input);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--bleu-clarte);
    box-shadow: 0 0 0 3px rgba(102, 142, 236, 0.15);
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
    border-color: #dc2626;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234a4a4a' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-error {
    font-size: 0.8125rem;
    color: #dc2626;
    min-height: 1.25rem;
}

.form-success {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    font-weight: 500;
    color: #059669;
    background-color: rgba(5, 150, 105, 0.1);
    border-radius: var(--radius-card);
}

.form-success[hidden] {
    display: none;
}

.contact-form__submit {
    align-self: stretch;
    width: 100%;
}

@media (min-width: 640px) {
    .contact-form__submit {
        align-self: flex-start;
        width: auto;
    }
}

/* Form row for side-by-side fields */
.form-row {
    display: grid;
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }
}

/* Honeypot field - hidden from users */
.form-group--honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

/* Required field indicator */
.form-required {
    color: #dc2626;
}

/* RGPD notice */
.form-rgpd {
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: var(--space-md);
}

.form-rgpd a {
    color: var(--bleu-clarte);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.form-rgpd a:hover {
    color: var(--bleu-decision);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.contact-info__item {
    display: flex;
    gap: var(--space-md);
}

.contact-info__item svg {
    flex-shrink: 0;
    color: var(--bleu-clarte);
}

.contact-info__label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
}

.contact-info__value {
    font-weight: 500;
    color: var(--text-primary);
}

a.contact-info__value:hover {
    color: var(--bleu-clarte);
}

.contact-grid--centered {
    max-width: 600px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        align-items: start;
    }
}

/* ======================= FOOTER ======================= */
.footer {
    background-color: var(--noir);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__top {
    display: grid;
    gap: var(--space-3xl);
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__brand {
    max-width: 280px;
}

.footer__logo {
    height: 32px;
    width: auto;
    margin-bottom: var(--space-md);
    filter: brightness(0) invert(1);
}

.footer__claim {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer__links {
    display: grid;
    gap: var(--space-xl);
}

.footer__col-title {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: var(--space-md);
}

.footer__col-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__col-list a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer__col-list a:hover {
    color: var(--bleu-clarte);
}

.footer__bottom {
    padding-top: var(--space-xl);
    text-align: center;
}

.footer__copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
}

@media (min-width: 640px) {
    .footer__links {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer__top {
        grid-template-columns: 1fr 2fr;
    }
}

/* ======================= ANIMATIONS ======================= */
@media (prefers-reduced-motion: no-preference) {
    .section {
        animation: fadeInUp 0.6s ease-out;
    }
    
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* ======================= ACCESSIBILITY ======================= */
:focus-visible {
    outline: 2px solid var(--bleu-clarte);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ======================= MODAL ======================= */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

@media (min-width: 640px) {
    .modal {
        align-items: center;
        padding: var(--space-lg);
    }
}

.modal[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(13, 9, 9, 0.7);
    backdrop-filter: blur(4px);
    cursor: pointer;
}

.modal__container {
    position: relative;
    width: 100%;
    max-width: 720px;
    max-height: 90vh;
    background-color: var(--bg-primary);
    border-radius: var(--radius-card) var(--radius-card) 0 0;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

@media (min-width: 640px) {
    .modal__container {
        max-height: 85vh;
        border-radius: var(--radius-card);
        transform: translateY(20px);
    }
}

.modal[aria-hidden="false"] .modal__container {
    transform: translateY(0);
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-light);
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .modal__header {
        padding: var(--space-lg) var(--space-xl);
    }
}

.modal__title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

@media (min-width: 640px) {
    .modal__title {
        font-size: 1.5rem;
    }
}

.modal__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--text-muted);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.modal__close:hover {
    background-color: rgba(13, 9, 9, 0.05);
    color: var(--text-primary);
}

.modal__body {
    padding: var(--space-md) var(--space-lg);
    overflow-y: auto;
    flex-grow: 1;
}

@media (min-width: 640px) {
    .modal__body {
        padding: var(--space-xl);
    }
}

.modal__body h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--bleu-decision);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.modal__body h3:first-of-type {
    margin-top: 0;
}

.modal__body p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
    line-height: 1.7;
}

.modal__body ul {
    margin-bottom: var(--space-md);
    padding-left: var(--space-lg);
}

.modal__body ul li {
    position: relative;
    padding-left: var(--space-md);
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.modal__body ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 4px;
    height: 4px;
    background-color: var(--bleu-clarte);
    border-radius: 50%;
}

.modal__body a {
    color: var(--bleu-clarte);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--transition-fast);
}

.modal__body a:hover {
    color: var(--bleu-decision);
}

.modal__update {
    font-size: 0.875rem;
    color: var(--text-muted) !important;
    font-style: italic;
    margin-bottom: var(--space-xl) !important;
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-light);
}

/* Body scroll lock when modal is open */
body.modal-open {
    overflow: hidden;
}

/* ======================= MOBILE TOUCH IMPROVEMENTS ======================= */
@media (hover: none) and (pointer: coarse) {
    /* Improve tap targets */
    .btn {
        min-height: 48px;
    }
    
    .header__nav-link {
        padding: var(--space-md) var(--space-sm);
    }
    
    .footer__col-list a {
        padding: var(--space-sm) 0;
        display: block;
    }
    
    /* Remove hover states on touch */
    .btn--primary:hover {
        background-color: var(--bleu-decision);
        border-color: var(--bleu-decision);
    }
    
    .btn--secondary:hover {
        background-color: transparent;
        color: var(--bleu-decision);
    }
    
    /* Add tap highlight */
    a, button {
        -webkit-tap-highlight-color: rgba(102, 142, 236, 0.2);
    }
}

/* ======================= UTILITIES ======================= */
[hidden] {
    display: none !important;
}