/* ---------- 1. Palette & tokens ---------- */
:root {

    --bg:            #FAF8F5;
    --bg-alt:        #F2EEE8;
    --surface:       #FFFFFF;
    --ink:           #232120;
    --ink-soft:      #5F574F;

    --ink-mute:      #716963;
    --line:          #E6DFD5;
    --line-strong:   #D9D0C3;

    --primary:       #2D3142;
    --primary-soft:  #414861;
    --primary-tint:  #ECEEF3;

    --accent:        #2563EB;
    --accent-dark:   #1D4ED8;
    --accent-tint:   #E5EDFD;

    --star:          #F5A623;

    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    --spacing-xs: .5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4.5rem;

    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-pill: 999px;

    --shadow-sm: 0 1px 2px rgba(35,33,32,.05), 0 8px 20px -14px rgba(35,33,32,.30);
    --shadow-md: 0 2px 4px rgba(35,33,32,.05), 0 22px 44px -26px rgba(35,33,32,.45);

    --nav-h: 68px;
    --transition: .22s ease;
}

/* ---------- 2. Reset & base ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
body.sticky-cta-active { padding-bottom: 64px; }

img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
a { text-decoration: none; color: var(--primary); }
a:hover { color: var(--accent); }
button { font: inherit; color: inherit; }

.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 1.5rem; }

/* ---------- 3. Typographie ---------- */
h1, h2, h3, h4 { line-height: 1.1; letter-spacing: -.022em; font-weight: 700; color: var(--ink); }
h1 { font-size: clamp(2.6rem, 5.4vw, 4.3rem); font-weight: 800; letter-spacing: -.035em; line-height: 1.02; }

.eyebrow {
    display: inline-flex; align-items: center; gap: .5rem;
    font-family: var(--font-mono);
    font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
    color: var(--ink-mute);
}
.eyebrow::before {
    content: ""; width: 18px; height: 1px; background: var(--accent);
}

.section-title { font-size: clamp(1.85rem, 3.1vw, 2.7rem); }
.section-intro { color: var(--ink-soft); max-width: 46ch; margin-top: .75rem; }
.lede { font-size: 1.02rem; color: var(--ink-soft); max-width: 48ch; }

/* ---------- 4. Sections ---------- */
.section { padding: var(--spacing-xl) 0; }
.section-alt { background: var(--bg-alt); }
.section-alt .photo-slot { background-color: #EAE4DB; }
.section-head { margin-bottom: var(--spacing-lg); }
.section-head--split {
    display: flex; align-items: flex-end; justify-content: space-between;
    gap: var(--spacing-md); flex-wrap: wrap;
}

/* ---------- 5. Boutons ---------- */
.btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .85rem 1.4rem;
    font-size: .95rem; font-weight: 600;
    border-radius: var(--radius-pill);
    border: 1.5px solid transparent;
    cursor: pointer; text-align: center; white-space: nowrap;
    transition: var(--transition);
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-soft); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary { background: transparent; color: var(--primary); border-color: var(--line-strong); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); background: var(--surface); }
.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: .55rem 1.05rem; font-size: .85rem; }
.btn .arrow { transition: transform var(--transition); }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- 6. Navigation collante ---------- */
.navbar {
    position: sticky; top: 0; z-index: 900;
    background: rgba(250,248,245,.86);
    backdrop-filter: saturate(160%) blur(12px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}
.navbar.scrolled { border-bottom-color: var(--line); background: rgba(250,248,245,.95); }
.nav-content { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); gap: var(--spacing-md); }

.logo {
    display: inline-flex; align-items: center; gap: .55rem;
    font-size: 1.12rem; font-weight: 700; color: var(--ink); letter-spacing: -.02em;
}

.logo-img { height: 30px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 1.25rem; }
.nav-links a { font-size: .92rem; font-weight: 500; color: var(--ink-soft); white-space: nowrap; }
.nav-links a:hover, .nav-links a.nav-section-active { color: var(--ink); }
.nav-links .nav-cta a { color: #fff; }
.menu-toggle { display: none; flex-direction: column; gap: 4px; background: none; border: 0; cursor: pointer; padding: .5rem; }
.menu-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }

/* ---------- 7. Emplacements photo ---------- */
.photo-slot {
    position: relative;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: .5rem; padding: 1.25rem; text-align: center;
    background-color: var(--bg-alt);
    background-image: repeating-linear-gradient(45deg,
        rgba(45,49,66,.055) 0 10px, transparent 10px 20px);
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius-md);
    color: var(--ink-mute);
    overflow: hidden;
}
.photo-slot-format {
    font-family: var(--font-mono); font-size: .66rem; letter-spacing: .1em;
    text-transform: uppercase; color: var(--accent); white-space: nowrap;
    background: var(--surface); border: 1px solid var(--accent-tint);
    padding: .22rem .5rem; border-radius: var(--radius-pill);
}
.photo-slot-brief {
    font-size: .82rem; line-height: 1.4; color: var(--ink-soft);
    max-width: 30ch; text-wrap: pretty;
}

.photo-slot-img {
    display: block;
    width: 100%; height: auto;
    object-fit: cover;
    border-radius: var(--radius-md);
    background: var(--bg-alt);
}
.r-4-5  { aspect-ratio: 4 / 5; }
.r-3-2  { aspect-ratio: 3 / 2; }
.r-16-9 { aspect-ratio: 16 / 9; }
.r-1-1  { aspect-ratio: 1 / 1; }

/* ---------- 8. Hero ---------- */
.hero { padding: var(--spacing-lg) 0 var(--spacing-md); }
.hero-grid {
    display: grid; grid-template-columns: 1.12fr .88fr;
    gap: clamp(2rem, 5vw, 4.5rem); align-items: center;
}
.hero-content h1 { margin: 1rem 0 1.1rem; }
.hero-content h1 em { font-style: normal; color: var(--primary); }
.hero-subtitle { font-size: 1.02rem; color: var(--ink-soft); max-width: 46ch; }
.hero-cta { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1.75rem; }
.hero-tags {
    display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1.5rem;
    padding-top: 1.25rem; border-top: 1px solid var(--line);
}
.tag {
    font-family: var(--font-mono); font-size: .72rem; letter-spacing: .06em;
    color: var(--ink-soft); background: var(--surface);
    border: 1px solid var(--line); border-radius: var(--radius-pill);
    padding: .3rem .7rem;
}

.hero-media { position: relative; width: 100%; max-width: 440px; margin-left: auto; }
.hero-media .photo-slot,
.hero-media .photo-slot-img { border-radius: var(--radius-lg); }
.badge-float {
    position: absolute; z-index: 2;
    display: inline-flex; align-items: center; gap: .5rem;
    background: var(--surface); color: var(--ink);
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    padding: .55rem .9rem;
    font-size: .84rem; font-weight: 600;
    box-shadow: var(--shadow-md);
    white-space: nowrap;
}
.badge-float .stars { color: var(--star); letter-spacing: -.05em; }
.badge-float .dot { width: 8px; height: 8px; border-radius: 50%; background: #3F9D6B; }
.badge-float--reviews { right: -14px; bottom: 12%; }
.badge-float--dispo   { left: -18px; top: 9%; }
.badge-float small { font-weight: 500; color: var(--ink-mute); }

.stat-strip {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 1px; background: var(--line);
    border: 1px solid var(--line); border-radius: var(--radius-md);
    overflow: hidden; margin-top: var(--spacing-lg);
}
.stat { background: var(--bg); padding: 1.1rem 1.25rem; }
.stat-num { font-size: 1.5rem; font-weight: 800; letter-spacing: -.03em; color: var(--primary); }
.stat-num span { font-size: .9rem; font-weight: 600; color: var(--ink-mute); }
.stat-label { font-size: .82rem; color: var(--ink-soft); margin-top: .1rem; }

/* ---------- 9. Services ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.service-card {
    background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: .75rem .75rem 1.4rem;
    transition: var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.service-card .photo-slot,
.service-card .photo-slot-img { margin-bottom: 1.1rem; }
.service-card h3 { font-size: 1.18rem; margin: 0 .75rem .45rem; }
.service-card p { font-size: .93rem; color: var(--ink-soft); margin: 0 .75rem; text-wrap: pretty; }
.service-card .service-link {
    display: inline-block; margin: .9rem .75rem 0;
    font-size: .85rem; font-weight: 600; color: var(--accent);
}
.service-card:hover .service-link { color: var(--accent-dark); }

/* ---------- 9b. Votre modèle existe peut-être déjà ---------- */
.platforms-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.platform-card {
    position: relative; display: block;
    background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: 1.5rem;
    color: var(--ink); transition: var(--transition);
    --brand: var(--accent);
}
.platform-card:hover {
    transform: translateY(-4px); box-shadow: var(--shadow-md);
    border-color: var(--brand); color: var(--ink);
}
.platform-card.featured { border-color: var(--brand); }

.platform-card--printables  { --brand: #FA6831; }
.platform-card--makerworld  { --brand: #00AE42; }
.platform-card--thingiverse { --brand: #248BFB; }

.platform-logo { display: block; width: 44px; height: 44px; margin-bottom: 1rem; }
.platform-logo svg { display: block; border-radius: var(--radius-sm); }
.platform-card h3 { font-size: 1.12rem; margin-bottom: .15rem; }
.platform-card:hover h3 { color: var(--brand); }
.platform-subtitle { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .06em; color: var(--ink-mute); }
.platform-description { font-size: .9rem; color: var(--ink-soft); margin-top: .6rem; text-wrap: pretty; }
.platform-badge {
    position: absolute; top: -10px; right: 1.25rem;
    background: var(--brand); color: #fff;
    font-size: .72rem; font-weight: 600; letter-spacing: .01em;
    padding: .22rem .65rem; border-radius: var(--radius-pill);
}
.find-model-cta {
    display: flex; align-items: center; justify-content: space-between;
    gap: 1.25rem; flex-wrap: wrap;
    margin-top: 1.5rem; padding: 1.15rem 1.5rem;
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md);
}
.find-model-cta .cta-text { font-size: .95rem; font-weight: 600; }
.find-model-cta .cta-text small { display: block; font-weight: 400; color: var(--ink-mute); font-size: .85rem; }

/* ---------- 10. Split ---------- */
.split { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.split-media .photo-slot,
.split-media .photo-slot-img { border-radius: var(--radius-lg); }
.split-body h2 { margin: .9rem 0 1rem; }
.split-body p + p { margin-top: .85rem; }
.list-check { display: grid; gap: .6rem; margin-top: 1.5rem; }
.list-check li { display: flex; gap: .7rem; font-size: .95rem; color: var(--ink); }
.list-check li::before {
    content: ""; flex: none; width: 7px; height: 7px; margin-top: .55rem;
    border-radius: 2px; background: var(--accent); transform: rotate(45deg);
}
.signature { margin-top: 1.75rem; font-size: .88rem; color: var(--ink-mute); }

/* ---------- 11. Matériaux ---------- */
.materiaux-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.materiau-card {
    background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: .75rem .75rem 1.5rem;
    display: flex; flex-direction: column;
}
.materiau-card .photo-slot,
.materiau-card .photo-slot-img { margin-bottom: 1.1rem; }
.materiau-head { display: flex; align-items: baseline; gap: .6rem; margin: 0 .85rem .4rem; }
.materiau-title { font-size: 1.35rem; letter-spacing: -.03em; }
.materiau-shore { font-family: var(--font-mono); font-size: .75rem; color: var(--ink-mute); }
.materiau-description { font-size: .92rem; color: var(--ink-soft); margin: 0 .85rem 1rem; }
.materiau-specs { display: grid; gap: .4rem; margin: 0 .85rem auto; }
.materiau-specs li {
    display: flex; justify-content: space-between; gap: 1rem;
    font-size: .85rem; padding: .4rem 0; border-top: 1px solid var(--line);
}
.materiau-specs li span:first-child { color: var(--ink-mute); }
.materiau-specs li span:last-child { font-weight: 600; }
.materiau-chips { display: flex; flex-wrap: wrap; gap: .4rem; margin: 1rem .85rem 0; }
.chip-static {
    font-size: .76rem; font-weight: 600; color: var(--primary);
    background: var(--primary-tint); border-radius: var(--radius-pill); padding: .25rem .65rem;
}

/* ---------- 12. Process ---------- */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.step { position: relative; padding-top: 1.5rem; border-top: 2px solid var(--line-strong); }
.step:first-child { border-top-color: var(--accent); }
.step-num { font-family: var(--font-mono); font-size: .78rem; color: var(--accent); letter-spacing: .08em; }
.step h3 { font-size: 1.05rem; margin: .5rem 0 .4rem; }
.step p { font-size: .9rem; color: var(--ink-soft); text-wrap: pretty; }

/* ---------- 12b. Bandeau CTA intermédiaire ---------- */
.cta-banner { background: var(--primary); color: #fff; padding: var(--spacing-lg) 0; }
.cta-banner-inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: var(--spacing-md); flex-wrap: wrap;
}
.cta-banner-title { font-size: clamp(1.5rem, 2.6vw, 2.1rem); color: #fff; max-width: 22ch; }
.cta-banner-trust { font-size: .85rem; color: rgba(255,255,255,.6); margin-top: .6rem; }
.cta-banner .btn { background: #fff; color: var(--primary); border-color: #fff; }
.cta-banner .btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- 13. Avis ---------- */
.avis-block { margin-top: 1.75rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.avis-block-head {
    display: flex; align-items: center; gap: .5rem; flex-wrap: wrap;
    font-size: .88rem; font-weight: 600; color: var(--ink); margin-bottom: .9rem;
}
.avis-compact { display: grid; gap: .75rem; }
.avis-stars { color: var(--star); letter-spacing: .08em; font-size: .95rem; }
.avis-card {
    position: relative;
    background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius-md); padding: 1rem 1.1rem;
    display: flex; flex-direction: column;
}
.avis-card blockquote { margin: .4rem 0 .75rem; font-size: .92rem; line-height: 1.5; color: var(--ink); text-wrap: pretty; }
.avis-card .avis-stars { font-size: .85rem; }
.avis-author { margin-top: auto; display: flex; align-items: center; gap: .6rem; }
.avis-avatar {
    width: 28px; height: 28px; border-radius: 50%; flex: none;
    background: var(--primary-tint); color: var(--primary);
    display: grid; place-items: center; font-size: .72rem; font-weight: 700;
}
.avis-name { font-size: .84rem; font-weight: 600; }
.avis-meta { font-size: .78rem; color: var(--ink-mute); }

.avis-card.is-placeholder { border-style: dashed; border-color: var(--line-strong); background: var(--bg-alt); }
.avis-card.is-placeholder blockquote { color: var(--ink-mute); font-style: italic; }

/* ---------- 14. FAQ ---------- */
.faq-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.faq-aside { position: sticky; top: calc(var(--nav-h) + 2rem); }
.faq-aside h2 { margin: .9rem 0 .9rem; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-question {
    width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
    background: none; border: 0; cursor: pointer; text-align: left;
    padding: 1.15rem 0; font-size: 1.02rem; font-weight: 600; letter-spacing: -.015em;
}
.faq-question:hover { color: var(--accent); }
.faq-icon { flex: none; width: 22px; height: 22px; position: relative; }
.faq-icon::before, .faq-icon::after {
    content: ""; position: absolute; inset: 50% 0 auto 0; height: 1.5px;
    background: var(--ink); transition: var(--transition);
}
.faq-icon::after { transform: rotate(90deg); }
.faq-item.active .faq-icon::after { transform: rotate(0); }
.faq-item.active .faq-question { color: var(--primary); }
.faq-answer { display: none; padding: 0 3rem 1.35rem 0; color: var(--ink-soft); font-size: .95rem; }
.faq-item.active .faq-answer { display: block; }
.faq-answer p + p { margin-top: .6rem; }
.faq-answer strong { color: var(--ink); }
.faq-list { display: grid; gap: .5rem; margin-top: .6rem; }
.faq-list li { display: flex; gap: .7rem; }
.faq-list li::before {
    content: ""; flex: none; width: 6px; height: 6px; margin-top: .55rem;
    border-radius: 2px; background: var(--accent); transform: rotate(45deg);
}

/* ---------- 15. Devis ---------- */
.devis-layout { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.devis-info h2 { margin: .9rem 0 1rem; }

.coord-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; margin-top: 1.75rem; }
.coord { background: var(--bg-alt); padding: 1rem 1.15rem; }
.coord dt { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-mute); }
.coord dd { font-size: .88rem; font-weight: 600; margin-top: .25rem; overflow-wrap: anywhere; }
.coord dd a { color: var(--ink); }
.coord dd a:hover { color: var(--accent); }

.form-card {
    background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: 1.75rem; box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group label, .form-group legend {
    display: block; font-size: .82rem; font-weight: 600; color: var(--ink-soft); margin-bottom: .4rem;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%; font: inherit; font-size: .95rem; color: var(--ink);
    background: var(--bg); border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm); padding: .7rem .85rem;
    transition: var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--accent); background: var(--surface);
    box-shadow: 0 0 0 3px rgba(37,99,235,.14);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.file-upload-label {
    display: flex; align-items: center; gap: .6rem; cursor: pointer;
    border: 1px dashed var(--line-strong); border-radius: var(--radius-sm);
    padding: .8rem .9rem; font-size: .88rem; color: var(--ink-mute); background: var(--bg);
}
.file-upload-label:hover { border-color: var(--accent); color: var(--accent); }
.form-group .file-upload-input {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    margin: 0; padding: 0; border: 0;
    opacity: 0; cursor: pointer;
}
.form-helper { display: block; font-size: .78rem; color: var(--ink-mute); margin-top: .4rem; }
.form-response-time { text-align: center; font-size: .8rem; color: var(--ink-mute); margin-top: .8rem; }

.alert {
    display: flex; align-items: flex-start; gap: .6rem;
    padding: .9rem 1.1rem; margin-bottom: 1.25rem;
    font-size: .92rem; line-height: 1.5;
    border: 1px solid var(--line); border-left-width: 3px;
    border-radius: var(--radius-md);
    background: var(--surface); color: var(--ink);
}
.alert-success { border-left-color: var(--accent); background: var(--accent-tint); }
.alert-error   { border-left-color: #B42318; background: #FDF1F0; color: #7A2019; }

/* ---------- 16. Barre collante bas de page ---------- */
.sticky-cta {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 950;
    background: var(--primary); color: #fff;
    transition: transform .3s ease;
}
.sticky-cta.is-hidden { transform: translateY(110%); }
.sticky-cta-inner {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: .8rem 0; min-height: 64px;
}
.sticky-cta-text { font-size: .95rem; font-weight: 600; }
.sticky-cta-text small { display: block; font-weight: 400; font-size: .78rem; color: rgba(255,255,255,.62); }
.sticky-cta .btn { background: #fff; color: var(--primary); border-color: #fff; }
.sticky-cta .btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- 17. Footer ---------- */
.footer { background: var(--bg-alt); border-top: 1px solid var(--line); padding: var(--spacing-lg) 0 var(--spacing-md); }
.footer-top {
    display: grid; grid-template-columns: 1.6fr 1fr 1.2fr;
    gap: var(--spacing-md); padding-bottom: var(--spacing-md);
}
.footer-logo { display: inline-block; }
.footer-brand p { font-size: .88rem; color: var(--ink-soft); margin-top: .9rem; max-width: 42ch; }
.footer h4 { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-mute); font-weight: 600; margin-bottom: .9rem; }

.footer-social { display: flex; gap: .5rem; margin-top: 1.15rem; }
.footer-social a {
    display: grid; place-items: center; width: 34px; height: 34px;
    border-radius: 50%; color: var(--ink-soft);
    background: var(--surface); border: 1px solid var(--line);
    transition: var(--transition);
}
.footer-social a:hover { color: var(--brand, var(--accent)); border-color: var(--brand, var(--accent)); transform: translateY(-2px); }

.social--instagram { --brand: #E4405F; }
.social--facebook  { --brand: #1877F2; }
.social--linkedin  { --brand: #0A66C2; }

.footer-nav ul { display: grid; gap: .5rem; }
.footer-nav a { font-size: .88rem; color: var(--ink-soft); }
.footer-nav a:hover { color: var(--accent); }

.footer-contact { display: flex; flex-direction: column; align-items: flex-start; }
.footer-contact-link {
    display: inline-flex; align-items: center; gap: .5rem;
    font-size: .88rem; color: var(--ink-soft); margin-bottom: .55rem;
    overflow-wrap: anywhere;
}
.footer-contact-link svg { flex: none; }

.footer-contact-link:hover { color: var(--accent); }
.footer-infos { display: grid; gap: .35rem; margin-top: 1rem; font-size: .82rem; color: var(--ink-mute); }

.footer-bottom {
    display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
    padding-top: 1.25rem; border-top: 1px solid var(--line);
    font-size: .82rem; color: var(--ink-mute);
}

.footer-legal {
    font-family: var(--font-mono); font-size: .78rem; letter-spacing: .02em;
    color: var(--ink-soft); text-align: right;
}
.footer-legal p + p { margin-top: .2rem; }

/* ---------- 18. Responsive ---------- */
@media (max-width: 1080px) {
    .services-grid, .materiaux-grid, .platforms-grid { grid-template-columns: repeat(2, 1fr); }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1100px) {
    .nav-links {
        display: none; position: absolute; top: var(--nav-h); left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        background: var(--surface); border-bottom: 1px solid var(--line); padding: .5rem 1.5rem 1.25rem;
    }
    .nav-links.active { display: flex; }
    .nav-links li { padding: .55rem 0; border-bottom: 1px solid var(--line); }
    .nav-links li:last-child { border-bottom: 0; padding-top: .9rem; }
    .menu-toggle { display: flex; }
}
@media (max-width: 900px) {
    .hero-grid, .split, .faq-layout, .devis-layout { grid-template-columns: 1fr; }
    .split-media { order: -1; }

    .devis-form { order: 1; }
    .devis-info { order: 2; }

    .devis-info, .devis-form { min-width: 0; }
    .faq-aside { position: static; }
    .stat-strip { grid-template-columns: repeat(2, 1fr); }
    .badge-float--reviews { right: 8px; }
    .badge-float--dispo { left: 8px; }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
    /* Sous ~340 px, « Demander une modélisation → » ne tient plus sur une ligne
       et le nowrap de .btn le faisait déborder du document. La coupure n'a lieu
       que si le libellé ne rentre pas : au-dessus, le rendu est inchangé. */
    .btn { white-space: normal; max-width: 100%; }

    .section { padding: var(--spacing-lg) 0; }
    .process-steps, .platforms-grid, .form-row, .coord-grid { grid-template-columns: 1fr; }
    .sticky-cta-text small { display: none; }
    .sticky-cta-text { font-size: .88rem; }
    .form-card { padding: 1.25rem; }
    .footer-top { grid-template-columns: 1fr; }
    .footer-legal { text-align: left; }

    .services-grid { grid-template-columns: 1fr; gap: 1rem; }
    .service-card { display: grid; grid-template-columns: 90px 1fr; gap: 1rem; align-items: start; padding: 1rem; }

    .service-card .photo-slot,
    .service-card .photo-slot-img {
        grid-row: 1 / span 3;
        aspect-ratio: 1; margin-bottom: 0;
    }
    .service-card .photo-slot { padding: .5rem; }
    .service-card .photo-slot-brief { display: none; }
    .service-card .photo-slot-format { font-size: .6rem; }
    .service-card h3,
    .service-card p,
    .service-card .service-link { grid-column: 2; margin-left: 0; margin-right: 0; }
    .service-card .service-link { margin-top: .6rem; }
    .service-card:hover { transform: none; box-shadow: none; }

    .materiaux-grid, .avis-compact {
        /* Bloc de contenu : sans ça, un enfant en position absolue prend le
           bloc initial pour référence, échappe au clip du rail et élargit le
           document. C'est ce qui cassait la mise en page au pinch-to-zoom. */
        position: relative;

        grid-template-columns: none;
        grid-auto-flow: column;
        grid-auto-columns: 82%;
        overflow-x: auto;
        overscroll-behavior-x: contain;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;

        margin-inline: -1.5rem;
        padding-inline: 1.5rem;
        padding-bottom: .75rem;
    }
    .materiaux-grid::-webkit-scrollbar,
    .avis-compact::-webkit-scrollbar { display: none; }

    .materiaux-grid > *, .avis-compact > * { scroll-snap-align: start; }
}

/* ---------- 19. Retour d'erreur au niveau du champ ---------- */
.form-error {
    display: block;
    font-size: .78rem; font-weight: 600;
    color: #9A2018;
    margin-top: .35rem;
}
.form-group input[aria-invalid="true"],
.form-group select[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] { border-color: #9A2018; }
.form-group input[aria-invalid="true"]:focus,
.form-group select[aria-invalid="true"]:focus,
.form-group textarea[aria-invalid="true"]:focus {
    border-color: #9A2018; box-shadow: 0 0 0 3px rgba(154, 32, 24, .18);
}

.form-notice {
    display: block;
    font-size: .78rem;
    color: var(--ink-soft);
    background: var(--bg-alt);
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: .5rem .7rem;
    margin-top: .45rem;
}

/* ---------- 20. Contrastes ---------- */

.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; border: 0;
    clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}

.platform-badge { background: var(--primary); }

.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible,
.file-upload-input:focus-visible + .file-upload-label {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.file-upload-input:focus-visible + .file-upload-label {
    border-color: var(--accent); color: var(--accent);
}

.form-group input[aria-invalid="true"]:focus-visible,
.form-group select[aria-invalid="true"]:focus-visible,
.form-group textarea[aria-invalid="true"]:focus-visible {
    outline-color: #9A2018;
}

/* ---------- 21. Lien d'évitement ---------- */
.skip-link {
    position: absolute; z-index: 1000;
    top: .5rem; left: 50%;
    transform: translate(-50%, -200%);
    background: var(--primary); color: #fff;
    font-size: .9rem; font-weight: 600;
    padding: .7rem 1.2rem;
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition);
}
.skip-link:focus {
    transform: translate(-50%, 0);
    color: #fff;
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

main:focus { outline: none; }

/* ---------- 22. Mouvement réduit ---------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        transition-delay: 0ms !important;
        scroll-behavior: auto !important;
    }

    .service-card:hover,
    .platform-card:hover,
    .btn-primary:hover,
    .footer-social a:hover { transform: none; }
    .btn:hover .arrow { transform: none; }

    .sticky-cta { transition: none; }
}

/* ---------- 23. FAQ : paragraphe suivant une liste ---------- */
.faq-answer .faq-list + p { margin-top: .8rem; }

/* ---------- 24. FAQ : puces de liste ---------- */
.faq-list li {
    display: block;
    position: relative;
    padding-left: 1.3rem;
}
.faq-list li::before {
    position: absolute;
    left: 0;
    top: .55rem;
    margin-top: 0;
}

/* ---------- 25. Split à portrait réduit ---------- */
.split--portrait { grid-template-columns: 240px 1fr; align-items: start; }
.split--portrait .split-media { max-width: 240px; }

.split--portrait .split-body > p,
.split--portrait .split-body .list-check { max-width: 75ch; }

@media (max-width: 900px) {

    .split--portrait { grid-template-columns: 1fr; }

    .split--portrait .split-media { margin-inline: auto; }
}

/* ---------- 26. Coordonnées ---------- */
@media (min-width: 641px) {
    .coord-grid { grid-template-columns: max-content 1fr 1fr; }
}

/* ---------- 27. Footer sur --primary ---------- */

.footer {
    background: var(--primary);

    border-top: 1px solid rgba(255,255,255,.24);
}

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

.footer h4        { color: rgba(255,255,255,.70); }
.footer-brand p   { color: rgba(255,255,255,.86); }
.footer-nav a,
.footer-contact-link { color: rgba(255,255,255,.86); }
.footer-nav a:hover,
.footer-contact-link:hover { color: #8AB4F8; }
.footer-infos     { color: rgba(255,255,255,.70); }
.footer-legal     { color: rgba(255,255,255,.86); }
.footer-bottom {
    color: rgba(255,255,255,.70);
    border-top-color: rgba(255,255,255,.16);
}

.footer-social a {
    color: #fff;
    background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.40);
}
.footer-social a:hover {
    color: #fff;
    background: var(--brand, var(--accent));
    border-color: rgba(255,255,255,.55);
}

.footer a:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 3px;
    border-radius: 4px;
}

/* ---------- 28. Header ---------- */
.logo-img { height: 36px; }

.navbar .logo-img { height: 44px; }
.nav-links a { font-size: 1rem; position: relative; }

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background-color: var(--accent);
    border-radius: 1px;
    transition: width .25s ease;
}
.nav-links a:hover::after,
.nav-links a.nav-section-active::after { width: 100%; }

.nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a[aria-current="page"]::after { width: 100%; }

.nav-links .nav-cta a::after { display: none; }

@media (max-width: 1100px) {

    .nav-links a::after { display: none; }
}

/* ---------- 29. Cases à cocher « usage » ---------- */
.chips-group { border: 0; padding: 0; min-width: 0; }
.chips-optional { font-weight: 400; color: var(--ink-mute); }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip { position: relative; display: inline-flex; }
.chip input {
    position: absolute; width: 1px; height: 1px;
    margin: 0; padding: 0; opacity: 0; pointer-events: none;
}
.chips-group .chip label {
    display: inline-flex; align-items: center;
    min-height: 44px; margin: 0; padding: .55rem 1.1rem;
    font-size: .9rem; font-weight: 500; color: var(--ink-soft);
    background: var(--surface);
    border: 1.5px solid var(--line-strong); border-radius: var(--radius-pill);
    cursor: pointer; user-select: none;
    transition: var(--transition);
}
.chips-group .chip label:hover { border-color: var(--primary); color: var(--ink); }
.chips-group .chip input:checked + label {
    background: var(--primary); border-color: var(--primary); color: #fff;
}
.chips-group .chip input:focus-visible + label {
    outline: 2px solid var(--accent); outline-offset: 2px;
}

/* ---------- 30. Fichier joint : retour visuel ---------- */
.file-upload { position: relative; }
.file-upload-label { margin: 0; }
.file-upload:hover .file-upload-label { border-color: var(--accent); color: var(--accent); }

/* display: flex l'emporte sur le [hidden] de la feuille du navigateur : sans
   ces deux règles la carte reste rendue, vide, sous le champ. */
.file-choisi[hidden],
.file-etat .form-error[hidden] { display: none; }

.file-choisi {
    display: flex; align-items: center; gap: .7rem; flex-wrap: wrap;
    margin-top: .5rem; padding: .6rem .8rem;
    background: var(--surface);
    border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
    font-size: .85rem; color: var(--ink);
}
.file-choisi-nom { flex: 1 1 10ch; font-weight: 600; word-break: break-all; }
.file-choisi-taille {
    font-family: var(--font-mono); font-size: .76rem;
    color: var(--ink-mute); white-space: nowrap;
}
.file-choisi-retirer {
    padding: .25rem 0; background: none; border: 0;
    font-size: .8rem; font-weight: 600; color: var(--accent);
    text-decoration: underline; cursor: pointer; white-space: nowrap;
}
.file-choisi-retirer:hover { color: var(--accent-dark); }
.file-choisi-retirer:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }