/* === RESET === */

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

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

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

ul, ol { list-style: none; }

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

/* === PRÉFÉRENCE RÉDUCTION DES ANIMATIONS === */

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

/* === FOCUS === */

:focus-visible {
    outline: 2px solid var(--color-blue);
    outline-offset: 3px;
}

/* === TYPOGRAPHIE === */

h1, h2, h3 {
    font-family: var(--font-body);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 600; }

p { line-height: 1.7; }

/* === CONTENEUR === */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

/* === BOUTONS === */
/* Deux styles maximum (specifications/07_design_system_todo.md) */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    border: 2px solid transparent;
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast);
    white-space: nowrap;
    cursor: pointer;
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
    background-color: var(--color-navy);
    border-color: var(--color-navy);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-blue);
    border-color: var(--color-blue);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    background-color: rgba(23, 105, 224, 0.08);
}

.btn-sm {
    padding: 0.55rem 1.2rem;
    font-size: 0.82rem;
}

/* === HEADER === */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    background-color: var(--color-white);
    transition:
        height var(--transition-normal),
        box-shadow var(--transition-normal);
}

.site-header.is-scrolled {
    height: var(--header-height-scrolled);
    box-shadow: var(--shadow-header);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
    gap: var(--spacing-md);
}

/* Logo */

.logo {
    display: flex;
    flex-shrink: 0;
}

.logo img {
    /* Petit par défaut (mobile) pour ne pas écraser le hamburger ; agrandi en desktop via le media query ci-dessous. */
    height: 40px;
    width: auto;
    transition: height var(--transition-normal);
}

.site-header.is-scrolled .logo img {
    height: 40px;
}

.footer-logo img {
    height: 64px;
    width: auto;
    /* Le fichier source n'existe qu'en version foncée : ce filtre produit un
       rendu blanc lisible sur le fond anthracite du footer, en attendant une
       vraie déclinaison claire du logo (voir claude/TODO.md). */
    filter: brightness(0) invert(1);
}

/* Navigation desktop */

.main-nav {
    display: none;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding-bottom: 3px;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-blue);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.is-active::after {
    width: 100%;
}

.nav-link.is-active { color: var(--color-blue); }

/* Hamburger */

.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
}

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

.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menu mobile */

.mobile-menu {
    position: fixed;
    inset: 0;
    top: var(--header-height);
    background-color: var(--color-white);
    padding: var(--spacing-md) var(--container-padding);
    overflow-y: auto;
    z-index: 99;
}

.mobile-menu[hidden] { display: none; }

body.no-scroll { overflow: hidden; }

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    padding-top: var(--spacing-sm);
}

.mobile-nav-list li {
    border-bottom: 1px solid var(--color-bg-light);
}

.mobile-nav-list .nav-link {
    display: block;
    font-size: 1.3rem;
    font-weight: 500;
    padding-block: 0.9rem;
}

.mobile-nav-list .nav-link::after { display: none; }

.mobile-nav-list .btn {
    width: 100%;
    margin-top: var(--spacing-md);
}

@media (min-width: 960px) {
    .main-nav { display: block; }
    .hamburger { display: none; }
    .mobile-menu { display: none; }
    .logo img { height: 64px; }
}

/* === FOOTER === */

.site-footer {
    background-color: var(--color-anthracite);
    color: var(--color-white);
    padding-top: var(--spacing-lg);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.footer-brand {
    display: flex;
    align-items: flex-start;
}

.footer-col {
    display: flex;
    flex-direction: column;
}

.footer-heading {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-blue);
    margin-bottom: 1rem;
}

.footer-nav-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-nav-link {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

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

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-contact-item {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item a { transition: color var(--transition-fast); }
.footer-contact-item a:hover { color: var(--color-blue); }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-block: var(--spacing-sm);
}

.footer-bottom .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

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

    .footer-bottom .container {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-copyright {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-legal-links {
    font-size: 0.8rem;
}

.footer-legal-links a {
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
}

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

/* === SECTIONS === */

.section {
    padding-block: 2.5rem;
}

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

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

.section--anthracite {
    background-color: var(--color-anthracite);
    color: var(--color-white);
}

.section-title {
    text-align: center;
    margin-bottom: 1.5rem;
}

/* === HERO === */

.hero { padding-block: 2rem; }

.hero--has-image {
    /* Dégradé volontairement resserré (fondu terminé à 50%) : à 120deg sur une
       section large et peu haute, un dégradé étalé sur 75% devenait quasi
       imperceptible (transition trop lente pour être visible à l'œil). */
    background: linear-gradient(100deg, #E4EAF2 0%, #F2F5F9 30%, var(--color-white) 50%);
}

.hero-inner {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.hero-tagline {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-blue);
    margin-top: 0.5rem;
}

.hero-text {
    color: var(--color-text-secondary);
    margin-top: 0.35rem;
    font-size: 1rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.4rem;
}

.hero-media img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius-md);
    display: block;
}

.hero--page:not(.hero--has-image) .hero-content { max-width: 680px; }

@media (min-width: 960px) {
    .hero { padding-block: 2.5rem; }

    /* Le hero reste dans le même conteneur que le reste du site (cohérent à
       toutes les largeurs d'écran, y compris au-delà de 1200px) : une version
       précédente faisait déborder le visuel jusqu'au bord de la fenêtre, ce
       qui créait un désalignement avec le reste des sections sur grand écran
       — voir claude/suivi/DECISIONS.md. */
    .hero--has-image .hero-inner {
        display: grid;
        grid-template-columns: minmax(320px, 480px) 1fr;
        align-items: center;
        gap: 0;
    }

    .hero--has-image .hero-content {
        position: relative;
        z-index: 1;
    }

    /* Le bord gauche de la photo empiète sur la colonne de texte et s'y fond
       en dégradé (cf. maquette specifications/maquettes/Accueil.png), plutôt
       qu'une simple juxtaposition à bord net. */
    .hero--has-image .hero-media {
        position: relative;
        z-index: 0;
        margin-left: -110px;
    }

    .hero--has-image .hero-media img {
        aspect-ratio: 4 / 3;
        max-height: 460px;
        mask-image: linear-gradient(to right, transparent 0%, black 25%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 25%);
    }

    /* Hero de page interne : visuel plus discret que l'accueil, environ les
       2/3 de sa hauteur maximale. */
    .hero--page.hero--has-image .hero-media img {
        max-height: var(--hero-image-height, 320px);
    }
}

/* === CARTES APPLICATION === */

.app-card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

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

.app-card {
    background-color: var(--color-white);
    border: 1px solid rgba(16, 36, 62, 0.08);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.app-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: rgba(23, 105, 224, 0.1);
    color: var(--color-blue);
    margin-bottom: 1rem;
}

.app-card__title { margin-bottom: 0.6rem; }

.app-card__text {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.app-card__text--note {
    margin-top: 0.6rem;
}

/* === ÉTAPES (progression numérotée) === */

.steps-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.step {
    background-color: var(--color-white);
    color: var(--color-text);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    flex: 1 1 0;
}

.step__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background-color: var(--color-blue);
    color: var(--color-white);
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.step__icon {
    display: block;
    color: var(--color-blue);
    margin-bottom: 0.6rem;
}

.step__title { color: var(--color-text); margin-bottom: 0.4rem; }

.step__text {
    color: var(--color-text-secondary);
    font-size: 0.92rem;
}

.step-arrow {
    display: none;
    color: var(--color-text-secondary);
    opacity: 0.5;
}

@media (min-width: 860px) {
    .steps-list {
        flex-direction: row;
        align-items: stretch;
        flex-wrap: wrap;
    }

    .step-arrow {
        display: flex;
        align-items: center;
        justify-content: center;
        flex: 0 0 auto;
    }
}

/* === CARTES CAS D'USAGE === */

.case-card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    /* auto-fit + justify-content:center : une seule carte se centre au lieu
       de laisser une colonne vide (cf. Accueil, qui n'en affiche qu'une
       depuis le retrait de « Diagnostic du comportement machine »), tout en
       gardant l'alignement à deux colonnes dès que plusieurs cartes existent. */
    .case-card-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 480px));
        justify-content: center;
    }
}

.case-card {
    display: block;
    background-color: var(--color-white);
    border: 1px solid rgba(16, 36, 62, 0.08);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.case-card:hover,
.case-card:focus-visible {
    box-shadow: var(--shadow-header);
    transform: translateY(-2px);
}

.case-card__image { aspect-ratio: 16 / 10; overflow: hidden; }

.case-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-card__body { padding: var(--spacing-md); }

.case-card__title { margin-bottom: 0.5rem; }

.case-card__summary {
    color: var(--color-text-secondary);
    font-size: 0.92rem;
    margin-bottom: 0.75rem;
}

.case-card__link {
    color: var(--color-blue);
    font-weight: 600;
    font-size: 0.88rem;
}

/* === DIALOGUE (exemples concrets) === */

.dialogue-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 860px) {
    .dialogue-grid { grid-template-columns: repeat(2, 1fr); }
}

.dialogue {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    background-color: var(--color-bg-light);
    border: 1px solid rgba(16, 36, 62, 0.08);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.dialogue-msg {
    max-width: 88%;
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-md);
}

.dialogue-msg--user {
    align-self: flex-end;
    background-color: var(--color-blue);
    color: var(--color-white);
    border-bottom-right-radius: 2px;
}

.dialogue-msg--ia {
    align-self: flex-start;
    background-color: var(--color-white);
    border: 1px solid rgba(16, 36, 62, 0.08);
    color: var(--color-text);
    border-bottom-left-radius: 2px;
}

.dialogue-msg__author {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.6;
    margin-bottom: 0.3rem;
}

.dialogue-msg__text { font-size: 0.95rem; }

.dialogue-msg__code {
    margin-top: 0.6rem;
    padding: 0.6rem 0.8rem;
    background-color: rgba(16, 36, 62, 0.9);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    overflow-x: auto;
}

.dialogue-msg__vars {
    margin-top: 0.5rem;
    font-size: 0.82rem;
    opacity: 0.75;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

/* === BLOCS PRESTATION === */

.prestation-block {
    max-width: 680px;
    margin-inline: auto;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.prestation-block__title { margin-bottom: 0.75rem; }

.prestation-block__lead {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.prestation-block__text {
    color: var(--color-text-secondary);
}

.prestation-block__text + .prestation-block__text {
    margin-top: 1rem;
}

.section--anthracite .prestation-block__text { color: rgba(255, 255, 255, 0.7); }

/* === LISTE DE CYCLE (Méthode : fonctionnement de l'accompagnement) === */

.round-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 480px;
    margin-inline: auto;
}

.round-list__item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1.1rem;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid rgba(16, 36, 62, 0.08);
    font-size: 0.95rem;
}

.round-list__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--color-blue);
    color: var(--color-white);
    font-size: 0.85rem;
    font-weight: 700;
}

/* === FICHE CAS D'USAGE === */

.prose {
    max-width: 720px;
    margin-inline: auto;
}

.prose h2 {
    text-align: center;
    margin-top: var(--spacing-lg);
    margin-bottom: 0.75rem;
}

.prose h2:first-child { margin-top: 0; }

.prose a {
    color: var(--color-blue);
    text-decoration: underline;
}

.prose p {
    margin-bottom: 1.25rem;
}

/* === PORTRAIT + BIOGRAPHIE (À propos) === */

.bio-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin-inline: auto;
}

.bio-layout__photo {
    flex-shrink: 0;
    width: 180px;
}

.bio-layout__photo img {
    width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-header);
}

.bio-layout__text p {
    margin-bottom: 1.25rem;
}

.bio-layout__text p:last-child { margin-bottom: 0; }

@media (min-width: 700px) {
    .bio-layout {
        flex-direction: row;
        align-items: flex-start;
        gap: var(--spacing-xl);
    }

    .bio-layout__photo { width: 220px; }
}

.prose__figure {
    margin-block: var(--spacing-md);
}

.prose__figure img {
    width: 100%;
    border-radius: var(--radius-md);
}

.prose__figure figcaption {
    margin-top: 0.6rem;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    text-align: center;
}

.case-result {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-bg-light);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-blue);
}

.case-result h2 { margin-bottom: 1rem; }

.case-result p:last-of-type { margin-bottom: 0; }

.case-quote {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-blue);
}

.case-cta {
    max-width: 720px;
    margin: var(--spacing-xl) auto 0;
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(16, 36, 62, 0.1);
}

.case-cta p {
    margin-bottom: 1rem;
    font-weight: 600;
}

.prose ul {
    margin: 0 0 1.25rem;
    padding-left: 1.25rem;
}

.prose li { margin-bottom: 0.5rem; }

.prose li:last-child { margin-bottom: 0; }

/* Deux figures côte à côte pour comparer des variantes (ex. deux niveaux de
   réponse de l'assistant IA sur une même question). */
.compare-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-block: var(--spacing-md);
}

.compare-grid .prose__figure { margin-block: 0; }

@media (min-width: 760px) {
    .compare-grid { grid-template-columns: 1fr 1fr; }
}

/* === VISIONNEUSE D'IMAGE (figures cliquables des fiches cas d'usage) === */

.zoomable { cursor: zoom-in; }

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(10, 16, 28, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4vh 4vw;
    z-index: 1000;
}

.lightbox[hidden] { display: none; }

.lightbox img {
    max-width: 100%;
    max-height: 92vh;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: fixed;
    top: 1.25rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.12);
    color: var(--color-white);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
}

.lightbox-close:hover,
.lightbox-close:focus-visible { background: rgba(255, 255, 255, 0.22); }

/* === PROJETS PERSONNELS (À propos) === */

.section-intro-text {
    max-width: 640px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
    color: var(--color-text-secondary);
}

.project-card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

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

.project-card {
    display: block;
    background-color: var(--color-white);
    border: 1px solid rgba(16, 36, 62, 0.08);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.project-card:hover,
.project-card:focus-visible {
    box-shadow: var(--shadow-header);
    transform: translateY(-2px);
}

.project-card__title { margin-bottom: 0.6rem; }

.project-card__text {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.9rem;
}

.project-card__link {
    color: var(--color-blue);
    font-weight: 600;
    font-size: 0.88rem;
}

/* === CONTACT === */

.contact-layout {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    max-width: 960px;
    margin-inline: auto;
}

.contact-layout__info { order: -1; }

@media (min-width: 860px) {
    .contact-layout {
        flex-direction: row;
        align-items: flex-start;
    }

    .contact-layout__form { flex: 1 1 60%; }
    .contact-layout__info { flex: 1 1 32%; order: 1; }
}

.contact-info-title { margin-bottom: 1.25rem; }

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.contact-info-list li {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.contact-info-list svg { flex-shrink: 0; color: var(--color-blue); }

.contact-info-list a { transition: color var(--transition-fast); }
.contact-info-list a:hover { color: var(--color-blue); }

/* === FORMULAIRE DE CONTACT === */

.form-notice {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.form-notice--success {
    background-color: rgba(23, 105, 224, 0.08);
    border: 1px solid rgba(23, 105, 224, 0.3);
}

.form-notice--error {
    background-color: rgba(178, 40, 40, 0.08);
    border: 1px solid rgba(178, 40, 40, 0.3);
}

.form-notice__title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 500px) {
    .form-row { grid-template-columns: 1fr 1fr; }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-label {
    font-size: 0.9rem;
    font-weight: 600;
}

.form-input {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-text);
    background-color: var(--color-white);
    border: 1px solid rgba(16, 36, 62, 0.18);
    border-radius: var(--radius-sm);
    padding: 0.7rem 0.9rem;
    transition: border-color var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-blue);
}

.form-input--error { border-color: #B22828; }

.form-textarea {
    resize: vertical;
    min-height: 8rem;
}

.form-input--math { max-width: 120px; }

.form-hint {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.form-error {
    font-size: 0.82rem;
    color: #B22828;
}

.form-required-note {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.contact-form .btn { align-self: flex-start; }

/* Honeypot : jamais visible ni atteignable au clavier pour un visiteur humain */
.form-honeypot {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    left: -9999px;
}