/* ==========================================================================
   Plateo — feuille de style principale
   Charte : Dark blue #14263E · Optimistic blue #5660EC · Better green #C2D9BC
            Warm white #D9D7C6 · Bright night #EDEAE4 · Police Outfit
   ========================================================================== */

:root {
  --plateo-dark: #14263E;
  --plateo-blue: #5660EC;
  --plateo-blue-hover: #4049d6;
  --plateo-blue-text: #454ED6;      /* Optimistic blue assombri pour les petits textes sur fond clair (contraste AA) */
  --plateo-green: #C2D9BC;
  --plateo-warm: #D9D7C6;
  --plateo-night: #EDEAE4;
  --plateo-card: #F6F4F0;        /* nuance très claire de Bright night pour les cartes */

  --bg: var(--plateo-night);
  --bg-alt: #E4E1D9;
  --text: var(--plateo-dark);
  --text-muted: #4a5a70;
  --accent: var(--plateo-blue-text);
  --border: var(--plateo-warm);

  --font: 'Outfit', 'Helvetica Neue', Arial, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --container: 1180px;
  --gutter: 24px;
  --header-h: 76px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --btn-radius: 999px;            /* boutons arrondis (pilule) */
  --hero-bg: var(--plateo-dark);  /* fond de la 1re section */
}

/* ---------- Police Outfit (hébergée sur le site) ---------- */
@font-face {
  font-family: 'Outfit';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('../assets/fonts/outfit-latin-wght-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Outfit';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('../assets/fonts/outfit-latin-ext-wght-normal.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; font-weight: 700; color: var(--plateo-dark); letter-spacing: -.01em; }
h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
@media (max-width: 600px) { :root { --gutter: 16px; } }

.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; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--plateo-blue); color: #fff; padding: 8px 14px; border-radius: var(--radius-sm); z-index: 100; }
.skip-link:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--plateo-blue); outline-offset: 3px; border-radius: 4px; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4em;
  font: 600 1rem/1 var(--font);
  padding: 15px 28px; border-radius: var(--btn-radius); border: 2px solid transparent;
  cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s var(--ease);
  text-decoration: none !important; white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--plateo-blue); color: #fff; }
.btn-primary:hover { background: var(--plateo-blue-hover); }
.btn-ghost { border-color: var(--plateo-dark); color: var(--plateo-dark); }
.btn-ghost:hover { background: var(--plateo-dark); color: var(--plateo-night); }
.btn-light { background: var(--plateo-night); color: var(--plateo-dark); }
.btn-light:hover { background: #fff; }
.btn-link { padding-left: 0; padding-right: 0; color: var(--plateo-blue-text); }
.btn-link:hover { transform: none; text-decoration: underline !important; }
.btn-sm { padding: 11px 20px; font-size: .95rem; }
.btn-lg { padding: 18px 32px; font-size: 1.08rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; margin-top: 8px; }

/* ---------- Typo utilitaires ---------- */
.eyebrow {
  display: inline-block; font-size: .85rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--plateo-blue-text); margin-bottom: 14px;
}
.eyebrow-light { color: var(--plateo-green); }
.lead { font-size: 1.2rem; color: var(--text-muted); max-width: 36em; }
.accent { color: var(--plateo-blue); }
.center { text-align: center; }
.h-small { font-size: 1.1rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--text-muted); }

.badge { display: inline-block; font-size: .85rem; font-weight: 500; padding: 5px 12px; border-radius: 999px; }
.badge-green { background: var(--plateo-green); color: var(--plateo-dark); }
.badge-warm { background: var(--plateo-warm); color: var(--plateo-dark); }
.tag { display: inline-block; font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--plateo-blue-text); margin-bottom: 10px; }

/* ---------- En-tête ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--plateo-dark);
  transition: box-shadow .25s;
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(20, 38, 62, .25); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }
.brand img { width: 150px; height: auto; }

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav ul { display: flex; gap: 22px; }
.main-nav ul a { color: var(--plateo-night); font-size: .95rem; font-weight: 500; opacity: .85; padding: 6px 0; position: relative; }
.main-nav ul a:hover, .main-nav ul a[aria-current="page"] { opacity: 1; text-decoration: none; }
.main-nav ul a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--plateo-blue); border-radius: 2px;
}

.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; height: 2px; background: var(--plateo-night); margin: 5px 0; border-radius: 2px; transition: transform .25s, opacity .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1080px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 20px;
    background: var(--plateo-dark); padding: 20px var(--gutter) 28px;
    border-top: 1px solid #2a3d57;
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity .2s, transform .2s, visibility .2s;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .main-nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav ul a { display: block; padding: 12px 0; font-size: 1.05rem; border-bottom: 1px solid #2a3d57; }
  .main-nav ul a[aria-current="page"]::after { display: none; }
  .main-nav ul a[aria-current="page"] { color: #fff; }
}

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-tight { padding: 56px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--plateo-dark); color: var(--plateo-night); }
.section-dark h2, .section-dark h3 { color: var(--plateo-night); }
@media (max-width: 700px) { .section { padding: 64px 0; } .section-tight { padding: 40px 0; } }

.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; }
.section-head.split { max-width: none; display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.section-head.split h2 { margin-bottom: 0; max-width: 640px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-2 { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 88px; overflow: hidden; background: var(--hero-bg); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero h1 { margin-bottom: 20px; }
.hero .btn-row { margin-top: 28px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 12px 32px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: .95rem; }
.hero-proof strong { color: var(--plateo-dark); font-size: 1.35rem; font-weight: 700; margin-right: 4px; }
.hero-visual { position: relative; }
.hero-visual img { margin: 0 auto; max-height: 620px; width: auto; }
@media (max-width: 860px) {
  .hero { padding: 48px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 380px; margin: 0 auto; }
  .hero-visual img { max-height: 340px; }
}

/* ---------- Cartes ---------- */
.audience-card, .service-card, .trade-card, .project-card, .team-card, .article-card {
  background: var(--plateo-card); border: 1px solid var(--border); border-radius: var(--radius);
  transition: transform .25s var(--ease), border-color .25s, box-shadow .25s;
}

.audience-card { padding: 36px 28px; text-align: center; }
.audience-card img { width: 64px; height: 64px; margin: 0 auto 18px; }
.audience-card h3 { margin: 0; }

.service-card { display: flex; flex-direction: column; overflow: hidden; }
.service-media { background: var(--plateo-warm); aspect-ratio: 16 / 9; display: flex; align-items: flex-end; justify-content: center; overflow: hidden; }
.service-media img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.service-body { padding: 28px 28px 32px; display: flex; flex-direction: column; flex: 1; }
.service-body p { color: var(--text-muted); }
.service-body .badge { align-self: flex-start; margin: 4px 0 18px; }
.service-body .btn-row { margin-top: auto; }

a.trade-card, a.project-card, a.article-card { display: flex; flex-direction: column; color: inherit; text-decoration: none; }
a.trade-card:hover, a.project-card:hover, a.article-card:hover {
  transform: translateY(-4px); border-color: var(--plateo-blue); box-shadow: 0 12px 28px rgba(20, 38, 62, .08);
}

.trade-card { padding: 28px; }
.trade-icon { width: 72px; height: 72px; object-fit: contain; margin-bottom: 18px; }
.trade-card p { color: var(--text-muted); font-size: .97rem; flex: 1; }
.trade-more { font-weight: 600; color: var(--plateo-blue-text); font-size: .95rem; margin-top: 8px; }

.project-card { overflow: hidden; }
.project-media { aspect-ratio: 4 / 5; background: var(--plateo-warm); overflow: hidden; }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
a.project-card:hover .project-media img { transform: scale(1.04); }
.project-body { padding: 18px 20px 22px; }
.project-body .tag { margin-bottom: 6px; }
.project-card h3 { margin: 0; font-size: 1.1rem; }

/* Presse */
.press-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 960px) { .press-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px) { .press-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; } }
.press-card {
  display: flex; flex-direction: column; color: inherit; text-decoration: none !important; overflow: hidden;
  background: var(--plateo-card); border: 1px solid var(--border); border-radius: var(--radius);
  transition: transform .25s var(--ease), border-color .25s, box-shadow .25s;
}
.press-card:hover { transform: translateY(-4px); border-color: var(--plateo-blue); box-shadow: 0 12px 28px rgba(20, 38, 62, .08); }
.press-media { aspect-ratio: 4 / 3; background: var(--plateo-warm); padding: 14px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.press-media img {
  max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain;
  border-radius: 6px; box-shadow: 0 4px 14px rgba(20, 38, 62, .18);
  transition: transform .35s var(--ease);
}
.press-card:hover .press-media img { transform: scale(1.03); }
.press-card:not(.has-img) .press-media { display: none; }
.press-body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; }
.press-body .tag { margin-bottom: 4px; }
.press-body h3 { font-size: 1.05rem; flex: 1; margin-bottom: 8px; }
.press-card:not(.has-img) .press-body { min-height: 150px; border-top: 4px solid var(--plateo-blue); }

.article-card { padding: 28px; min-height: 220px; }
.article-card h3 { flex: 1; font-size: 1.15rem; }

.team-card { padding: 36px 28px; text-align: center; }
.team-card img { width: 120px; height: 120px; border-radius: 50%; object-fit: cover; margin: 0 auto 18px; background: var(--plateo-warm); }
.team-card h3 { margin-bottom: 2px; }
.team-card .role { color: var(--plateo-blue-text); font-weight: 500; margin-bottom: 16px; }
.team-card .xp-title { text-align: left; font-weight: 600; margin: 0 0 8px; padding-top: 16px; border-top: 1px solid var(--border); }
.team-card ul { text-align: left; }
.team-card li { position: relative; padding-left: 18px; color: var(--text-muted); font-size: .95rem; margin-bottom: 6px; }
.team-card li::before { content: ""; position: absolute; left: 0; top: .6em; width: 7px; height: 7px; border-radius: 50%; background: var(--plateo-green); }

/* ---------- Bandeaux de logos ---------- */
.logo-strip { margin-top: 64px; text-align: center; }
.section-tight .logo-strip { margin-top: 0; }
.logo-strip-title { font-size: .85rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 24px; }
.logos { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 32px 56px; }
.logos img { max-height: 56px; width: auto; filter: grayscale(1); opacity: .75; transition: filter .25s, opacity .25s; mix-blend-mode: multiply; }
.logos a:hover img, .logos img:hover { filter: none; opacity: 1; }

/* ---------- Presse (défilement) ---------- */
.marquee { overflow: hidden; margin-top: 20px; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: 14px; width: max-content; animation: marquee 60s linear infinite; padding: 6px 0; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track a {
  display: block; padding: 12px 22px; border-radius: 999px; background: var(--plateo-card); border: 1px solid var(--border);
  color: var(--plateo-dark); font-weight: 500; white-space: nowrap; transition: border-color .2s, color .2s;
}
.marquee-track a:hover { border-color: var(--plateo-blue); color: var(--plateo-blue); text-decoration: none; }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .marquee { mask-image: none; }
  .marquee-track { animation: none; flex-wrap: wrap; justify-content: center; width: auto; padding: 0 var(--gutter); }
}

/* ---------- Stats & manifeste ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 0 0 64px; }
.stat { border: 1px solid #2a3d57; border-radius: var(--radius); padding: 28px 24px; display: flex; flex-direction: column-reverse; gap: 6px; }
.stat dt { color: var(--plateo-warm); font-size: .95rem; }
.stat dd { margin: 0; font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 700; color: var(--plateo-night); line-height: 1; }
@media (max-width: 860px) { .stats { grid-template-columns: repeat(2, 1fr); } }

.manifesto { max-width: 760px; margin: 0 auto; text-align: center; }
.manifesto p { color: var(--plateo-warm); font-size: 1.08rem; }
.manifesto .baseline { font-size: clamp(1.4rem, 2.6vw, 1.9rem); font-weight: 600; color: var(--plateo-night); margin-bottom: 24px; }
.manifesto .btn { margin-top: 16px; white-space: normal; text-align: center; }

/* ---------- FAQ ---------- */
.faq-wrap { display: grid; grid-template-columns: 1fr 1.6fr; gap: 56px; align-items: start; }
.faq-wrap .section-head { margin-bottom: 0; position: sticky; top: calc(var(--header-h) + 32px); }
.faq-intro { color: var(--text-muted); }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--plateo-card); border: 1px solid var(--border); border-radius: var(--radius); transition: border-color .2s; }
.faq-item[open] { border-color: var(--plateo-blue); }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 20px 24px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary h3 { margin: 0; font-size: 1.08rem; }
.faq-item summary::after {
  content: ""; flex: none; width: 28px; height: 28px; border-radius: 50%;
  background: var(--plateo-night) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%235660EC' stroke-width='2.5' stroke-linecap='round' d='M12 6v12M6 12h12'/%3E%3C/svg%3E") center/14px no-repeat;
  transition: transform .25s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover h3 { color: var(--plateo-blue); }
.faq-answer { padding: 0 24px 22px; }
.faq-answer p { margin: 0 0 .7em; color: var(--text-muted); }
.faq-answer p:last-child { margin-bottom: 0; }
@media (max-width: 860px) {
  .faq-wrap { grid-template-columns: 1fr; gap: 28px; }
  .faq-wrap .section-head { position: static; }
}

/* ---------- CTA final ---------- */
.cta-band {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center;
  background: var(--plateo-card); border: 1px solid var(--border); border-left: 6px solid var(--plateo-blue);
  border-radius: var(--radius); padding: 48px;
}
.cta-band h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.check-list { display: grid; grid-template-columns: repeat(2, auto); gap: 8px 28px; justify-content: start; margin-top: 18px; }
.check-list li { position: relative; padding-left: 28px; font-weight: 500; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: .2em; width: 18px; height: 18px; border-radius: 50%;
  background: var(--plateo-green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%2314263E' stroke-width='3' d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/12px no-repeat;
}
.cta-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
@media (max-width: 860px) {
  .cta-band { grid-template-columns: 1fr; padding: 32px 24px; }
  .check-list { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Pages services
   ========================================================================== */
.page-hero { padding: 48px 0 72px; }
.page-hero-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: center; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3.1rem); margin-bottom: 18px; }
.page-hero .lead { margin-bottom: .6em; }
.page-hero .btn-row { margin: 24px 0 20px; }
.page-hero .badge { margin: 0; }
.page-hero-visual { display: flex; justify-content: center; }
.page-hero-visual img {
  width: 260px; height: 260px; object-fit: contain; padding: 36px;
  background: var(--plateo-night); border-radius: 50%;
}
@media (max-width: 860px) {
  .page-hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .page-hero-visual { order: -1; justify-content: flex-start; }
  .page-hero-visual img { width: 120px; height: 120px; padding: 18px; }
}

.breadcrumb { margin-bottom: 22px; font-size: .9rem; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; }
.breadcrumb li { color: var(--plateo-warm); }
.breadcrumb li + li::before { content: "›"; margin-right: 6px; opacity: .6; }
.breadcrumb a { color: var(--plateo-warm); }
.breadcrumb a:hover { color: var(--plateo-night); }
.breadcrumb [aria-current] { color: var(--plateo-night); font-weight: 500; }

.section-intro { color: var(--text-muted); font-size: 1.08rem; }

/* Prestations */
.presta-grid { gap: 20px; }
.presta-card {
  display: grid; grid-template-columns: auto 1fr; column-gap: 18px; align-items: start;
  background: var(--plateo-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 28px;
}
.presta-icon {
  grid-row: span 2; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  background: var(--plateo-green); color: var(--plateo-dark);
}
.presta-card h3 { margin: 8px 0 6px; }
.presta-card p { margin: 0; color: var(--text-muted); }

/* Étapes */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; background: var(--plateo-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; }
.step-num {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  background: var(--plateo-blue); color: #fff; font-weight: 700; margin-bottom: 16px;
}
.step h3 { font-size: 1.1rem; }
.step p { margin: 0; color: var(--text-muted); font-size: .97rem; }
@media (min-width: 961px) {
  .step:not(:last-child)::after {
    content: ""; position: absolute; top: 47px; right: -21px; width: 22px; height: 2px; background: var(--plateo-blue); opacity: .4;
  }
}
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* Pourquoi Plateo */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px 28px; }
.why-item { border-top: 3px solid var(--plateo-green); padding-top: 18px; }
.why-item h3 { font-size: 1.1rem; margin-bottom: 6px; }
.why-item p { color: var(--text-muted); margin: 0; }
@media (max-width: 860px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .why-grid { grid-template-columns: 1fr; } }

/* Autres corps d'état */
.trades-mini { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-bottom: 64px; }
.trade-mini {
  display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center;
  padding: 24px 16px; border-radius: var(--radius); background: var(--plateo-card); border: 1px solid var(--border);
  color: var(--plateo-dark); font-weight: 600; text-decoration: none !important;
  transition: transform .25s var(--ease), border-color .25s;
}
.trade-mini img { width: 48px; height: 48px; object-fit: contain; }
.trade-mini:hover { transform: translateY(-3px); border-color: var(--plateo-blue); }
@media (max-width: 960px) { .trades-mini { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .trades-mini { grid-template-columns: repeat(2, 1fr); } }
.cta-band p { color: var(--text-muted); margin: 0; }

/* ---------- Page Nos travaux ---------- */
.page-hero-text { max-width: 760px; }
.toc { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; padding-top: 28px; border-top: 1px solid #2a3d57; }
.toc-chip {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px 8px 8px; border-radius: 999px;
  background: rgba(237, 234, 228, .08); border: 1px solid #2a3d57; color: var(--plateo-night); font-weight: 500; font-size: .95rem;
  transition: background .2s, border-color .2s;
}
.toc-chip img { width: 28px; height: 28px; object-fit: contain; background: var(--plateo-night); border-radius: 50%; padding: 3px; }
.toc-chip:hover { background: rgba(237, 234, 228, .16); border-color: var(--plateo-blue); text-decoration: none; }

.trade-section { scroll-margin-top: calc(var(--header-h) + 8px); }
.trade-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 56px; align-items: start; }
.trade-aside { position: sticky; top: calc(var(--header-h) + 32px); }
.trade-picto { width: 96px; height: 96px; object-fit: contain; padding: 14px; background: var(--plateo-card); border: 1px solid var(--border); border-radius: 50%; margin-bottom: 20px; }
.trade-intro { color: var(--text-muted); font-size: 1.05rem; }
.trade-examples { font-size: .95rem; color: var(--text-muted); }
.trade-examples strong { color: var(--plateo-dark); font-weight: 600; }
.trade-aside .btn { margin-top: 6px; }
.presta-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.presta-grid-2 .presta-card { display: block; padding: 22px; }
.presta-grid-2 .presta-icon { width: 36px; height: 36px; margin-bottom: 12px; }
.presta-grid-2 .presta-icon svg { width: 18px; height: 18px; }
.presta-grid-2 .presta-card h3 { margin-top: 0; }
.presta-grid-2 .presta-card h3 { font-size: 1.05rem; }
.trade-reads { margin-top: 24px; padding: 20px 24px; border-left: 4px solid var(--plateo-blue); background: var(--plateo-card); border-radius: 0 var(--radius) var(--radius) 0; }
.trade-reads-title { font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--plateo-blue-text); margin-bottom: 8px; }
.trade-reads ul { display: grid; gap: 6px; }
.trade-reads li::before { content: "→ "; color: var(--plateo-blue); }
@media (max-width: 960px) {
  .trade-layout { grid-template-columns: 1fr; gap: 28px; }
  .trade-aside { position: static; }
}
@media (max-width: 600px) { .presta-grid-2 { grid-template-columns: 1fr; } .trade-picto { width: 72px; height: 72px; } }

.section-dark-soft { background: var(--plateo-dark); }
.section-dark-soft h2 { color: var(--plateo-night); }
.section-dark-soft .eyebrow { color: var(--plateo-green); }

/* ---------- Page À propos ---------- */
.founders img { width: 100%; max-width: 460px; margin: 0 auto; border-radius: var(--radius); }

.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 0; }
.fact { background: var(--plateo-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 4px; }
.fact dd { margin: 0; font-size: clamp(1.9rem, 3.2vw, 2.5rem); font-weight: 700; color: var(--plateo-blue); line-height: 1.1; }
.fact dt { color: var(--text-muted); font-weight: 500; }
.facts-note { text-align: center; color: var(--text-muted); margin: 24px auto 0; max-width: 720px; }
@media (max-width: 860px) { .facts { grid-template-columns: repeat(2, 1fr); } }

.story { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
.story-reverse .story-media { order: 2; }
.story-media img { width: 100%; max-width: 480px; margin: 0 auto; border-radius: var(--radius); }
.story-text p { color: var(--text-muted); font-size: 1.05rem; }
.check-list-1 { grid-template-columns: 1fr; margin-top: 8px; }
.check-list-1 li { font-weight: 400; color: var(--text-muted); }
@media (max-width: 860px) {
  .story { grid-template-columns: 1fr; gap: 28px; }
  .story-reverse .story-media { order: 0; }
  .story-media img { max-width: 340px; }
}

.value-card { background: var(--plateo-card); border-radius: var(--radius); padding: 30px 28px; }
.value-num { display: block; font-size: 2rem; font-weight: 300; color: var(--plateo-blue); margin-bottom: 12px; line-height: 1; }
.value-card p { color: var(--text-muted); margin: 0; }

.team-quote { margin: 0 0 18px; padding: 14px 16px; text-align: left; font-style: italic; color: var(--text-muted); background: var(--plateo-night); border-left: 3px solid var(--plateo-green); border-radius: 0 8px 8px 0; font-size: .97rem; }
.cta-band .check-list a { color: inherit; }
.cta-band .check-list a:hover { color: var(--plateo-blue); }

/* ---------- Page Accompagnement travaux ---------- */
.page-hero-photo img { width: 100%; border-radius: var(--radius); box-shadow: 0 20px 50px rgba(0, 0, 0, .25); }
@media (max-width: 860px) { .page-hero-photo { order: 2; } }

.timeline { list-style: none; margin: 0; padding: 0; max-width: 860px; position: relative; }
.timeline::before { content: ""; position: absolute; left: 21px; top: 10px; bottom: 10px; width: 2px; background: var(--border); }
.tl-step { position: relative; display: grid; grid-template-columns: 44px 1fr; gap: 24px; padding-bottom: 28px; }
.tl-num {
  position: relative; z-index: 1; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  background: var(--plateo-blue); color: #fff; font-weight: 700; font-size: 1.05rem;
}
.tl-body { background: var(--plateo-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 26px; }
.tl-body h3 { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 10px; }
.tl-body p, .tl-body li { color: var(--text-muted); }
.tl-body p:last-child { margin-bottom: 0; }
.tl-body ul, .faq-rich .faq-answer ul { list-style: disc; padding-left: 22px; margin: 0 0 .9em; }
.tl-body li, .faq-rich .faq-answer li { margin-bottom: 4px; }
.tl-option { font-size: .75rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; padding: 3px 10px; border-radius: 999px; background: var(--plateo-warm); color: var(--plateo-dark); }
.faq-rich .faq-answer strong { color: var(--plateo-dark); font-weight: 600; }
.faq-rich .faq-answer li { color: var(--text-muted); }
@media (max-width: 560px) {
  .tl-step { grid-template-columns: 36px 1fr; gap: 14px; }
  .tl-num { width: 36px; height: 36px; }
  .timeline::before { left: 17px; }
  .tl-body { padding: 18px; }
}

.offer-card { background: var(--plateo-card); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.offer-card p { color: var(--text-muted); }
.offer-dispo { font-size: .9rem; font-style: italic; margin-top: auto; }
.offer-card .btn { align-self: flex-start; padding-top: 4px; }

/* ---------- Page Média ---------- */
.media-tools { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font: 500 .95rem var(--font); padding: 9px 16px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--border); background: var(--plateo-card); color: var(--plateo-dark); transition: background .2s, border-color .2s, color .2s;
}
.chip span { color: var(--text-muted); margin-left: 2px; }
.chip.is-active span { color: var(--plateo-warm); }
.chip:hover { border-color: var(--plateo-blue); }
.chip.is-active { background: var(--plateo-dark); border-color: var(--plateo-dark); color: var(--plateo-night); }
.search { position: relative; display: flex; align-items: center; flex: 0 1 320px; }
.search svg { position: absolute; left: 14px; color: var(--text-muted); pointer-events: none; }
.search input {
  width: 100%; font: 400 1rem var(--font); padding: 11px 16px 11px 42px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--plateo-card); color: var(--plateo-dark);
}
.search input:focus { outline: none; border-color: var(--plateo-blue); box-shadow: 0 0 0 3px rgba(86, 96, 236, .18); }
.media-count { color: var(--text-muted); font-size: .95rem; margin-bottom: 20px; }
.media-empty { text-align: center; color: var(--text-muted); padding: 40px 0; }
.articles-grid .article-card { min-height: 0; }
.articles-grid .article-card[hidden] { display: none; }
.articles-grid .article-card h2 { font-size: 1.12rem; font-weight: 600; line-height: 1.3; flex: 1; margin-bottom: 14px; }
.articles-grid .article-card p { color: var(--text-muted); font-size: .95rem; }
.article-foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: .88rem; color: var(--text-muted); }
.article-media { margin: -28px -28px 18px; aspect-ratio: 16 / 9; overflow: hidden; border-radius: var(--radius) var(--radius) 0 0; background: var(--plateo-warm); }
.article-media img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 600px) { .search { flex-basis: 100%; } }

/* ---------- Pages article ---------- */
.article-narrow { max-width: 820px; }
.article-hero { padding-bottom: 120px; }
.article-hero h1 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); margin-bottom: 16px; }
.article-meta { color: var(--plateo-warm); font-size: .95rem; margin: 0; }
.article-body-section { padding-top: 0; }
.article-cover { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--radius); margin: -88px 0 40px; box-shadow: 0 16px 40px rgba(20, 38, 62, .18); background: var(--plateo-warm); }
.prose { font-size: 1.08rem; line-height: 1.75; }
.prose > * + * { margin-top: 0; }
.prose h2 { font-size: 1.6rem; margin: 1.6em 0 .5em; }
.prose h3 { font-size: 1.28rem; margin: 1.4em 0 .4em; }
.prose h4, .prose h5 { font-size: 1.08rem; margin: 1.2em 0 .3em; }
.prose p, .prose li { color: #2c3b50; }
.prose ul, .prose ol { padding-left: 24px; margin: 0 0 1.1em; list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: .35em; }
.prose a { text-decoration: underline; text-underline-offset: 2px; }
.prose strong { color: var(--plateo-dark); }
.prose blockquote { margin: 1.4em 0; padding: 12px 20px; border-left: 4px solid var(--plateo-green); background: var(--plateo-card); border-radius: 0 8px 8px 0; }
.prose figure { margin: 1.6em 0; }
.prose figure img, .prose img { border-radius: 10px; margin: 0 auto; }
.prose figcaption { text-align: center; color: var(--text-muted); font-size: .9rem; margin-top: 8px; }
.article-cta { margin-top: 48px; padding: 30px 32px; background: var(--plateo-card); border: 1px solid var(--border); border-left: 6px solid var(--plateo-blue); border-radius: var(--radius); }
.article-cta-title { font-size: 1.3rem; font-weight: 700; color: var(--plateo-dark); margin-bottom: 6px; }
.article-cta p { color: var(--text-muted); }
.articles-grid .article-card h3 { font-size: 1.08rem; flex: 1; }
@media (max-width: 600px) {
  .article-hero { padding-bottom: 80px; }
  .article-cover { margin-top: -56px; }
  .prose { font-size: 1.02rem; }
  .article-cta { padding: 24px 20px; }
}

/* ---------- Page Ressources ---------- */
.books { display: grid; gap: 28px; }
.book {
  display: grid; grid-template-columns: 280px 1fr; gap: 40px; align-items: center;
  background: var(--plateo-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px;
}
.book-cover { background: var(--plateo-warm); border-radius: 10px; padding: 18px; display: flex; justify-content: center; }
.book-cover img { max-height: 300px; width: auto; border-radius: 6px; box-shadow: 0 10px 28px rgba(20, 38, 62, .22); }
.book-body h2 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
.book-points { display: grid; gap: 10px; margin: 6px 0 24px; }
.book-points li { display: flex; gap: 10px; align-items: flex-start; color: var(--text-muted); }
.book-points svg { flex: none; margin-top: 4px; color: var(--plateo-dark); background: var(--plateo-green); border-radius: 50%; padding: 2px; width: 20px; height: 20px; }
@media (max-width: 760px) {
  .book { grid-template-columns: 1fr; gap: 20px; padding: 22px; }
  .book-cover img { max-height: 240px; }
}

.form-wrap { display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; align-items: start; }
.form-intro h2 { color: var(--plateo-night); }
.form-intro p { color: var(--plateo-warm); }
.form-intro .eyebrow { color: var(--plateo-green); }
.form-privacy { font-size: .92rem; font-style: italic; }
.lead-form { background: var(--plateo-night); border-radius: var(--radius); padding: 32px; display: grid; gap: 22px; }
.lead-form fieldset { border: 0; margin: 0; padding: 0; }
.lead-form legend, .field > span { font-weight: 600; color: var(--plateo-dark); margin-bottom: 10px; display: block; }
.check-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.check { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--plateo-card); cursor: pointer; color: var(--plateo-dark); font-size: .97rem; }
.check:has(input:checked) { border-color: var(--plateo-blue); box-shadow: 0 0 0 1px var(--plateo-blue); }
.check input { margin-top: 3px; accent-color: var(--plateo-blue); width: 18px; height: 18px; flex: none; }
.consent { border: 0; background: none; padding: 0; font-size: .9rem; color: var(--text-muted); }
.consent a { color: var(--plateo-blue-text); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field input {
  width: 100%; font: 400 1rem var(--font); padding: 13px 14px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--plateo-card); color: var(--plateo-dark);
}
.field input:focus { outline: none; border-color: var(--plateo-blue); box-shadow: 0 0 0 3px rgba(86, 96, 236, .18); }
.lead-form button { justify-self: start; }
.form-status { margin: 0; padding: 14px 16px; border-radius: 10px; font-weight: 500; }
.form-status.is-ok { background: var(--plateo-green); color: var(--plateo-dark); }
.form-status.is-error { background: #f8dcdc; color: #7a1c1c; }
.hp { position: absolute; left: -9999px; }
.assoc-field { margin-top: 14px; }
.assoc-field[hidden] { display: none; }
@media (max-width: 860px) {
  .form-wrap { grid-template-columns: 1fr; gap: 28px; }
  .lead-form { padding: 22px; }
  .check-grid, .form-row { grid-template-columns: 1fr; }
}

/* ---------- Pages Contact et Mentions légales ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: start; }
.contact-cards { display: grid; gap: 14px; }
.contact-card {
  display: flex; gap: 16px; align-items: center; padding: 20px 22px; border-radius: var(--radius);
  background: var(--plateo-card); border: 1px solid var(--border); color: var(--plateo-dark); text-decoration: none !important;
  transition: border-color .2s;
}
a.contact-card:hover { border-color: var(--plateo-blue); }
.contact-card svg { flex: none; width: 44px; height: 44px; padding: 11px; border-radius: 50%; background: var(--plateo-green); color: var(--plateo-dark); }
.contact-card span { display: flex; flex-direction: column; font-size: 1.05rem; }
.contact-card strong { font-size: .85rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); }
.contact-devis { margin-top: 10px; padding: 24px; border-radius: var(--radius); background: var(--plateo-dark); color: var(--plateo-warm); }
.contact-devis-title { font-size: 1.2rem; font-weight: 700; color: var(--plateo-night); margin-bottom: 6px; }
.contact-form { border: 1px solid var(--border); }
.contact-form h2 { font-size: 1.5rem; margin: 0; }
.field textarea {
  width: 100%; font: 400 1rem var(--font); padding: 13px 14px; border-radius: 10px; resize: vertical;
  border: 1px solid var(--border); background: var(--plateo-card); color: var(--plateo-dark);
}
.field textarea:focus { outline: none; border-color: var(--plateo-blue); box-shadow: 0 0 0 3px rgba(86, 96, 236, .18); }
.form-notice { font-size: .9rem; color: var(--text-muted); margin: 0; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; gap: 28px; } }

.legal-hero { padding-bottom: 56px; }
.legal-toc { background: var(--plateo-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 24px; margin-bottom: 32px; }
.legal-toc p { font-weight: 600; margin-bottom: 8px; }
.legal-toc ol { list-style: decimal; padding-left: 22px; display: grid; gap: 4px; columns: 2; }
.legal h2 { scroll-margin-top: calc(var(--header-h) + 16px); }
.legal table { width: 100%; border-collapse: collapse; font-size: .95rem; margin: 0 0 1.2em; display: block; overflow-x: auto; }
.legal th, .legal td { text-align: left; vertical-align: top; padding: 10px 12px; border: 1px solid var(--border); }
.legal th { background: var(--plateo-dark); color: var(--plateo-night); font-weight: 600; }
.legal td { background: var(--plateo-card); color: #2c3b50; }
@media (max-width: 600px) { .legal-toc ol { columns: 1; } }

/* ---------- Réalisations ---------- */
.projects-all .project-card[hidden] { display: none; }
.projects-all .project-card h2 { font-size: 1.05rem; font-weight: 600; margin: 0; }
.project-spec { display: block; margin-top: 6px; font-size: .88rem; color: var(--text-muted); }
.project-cover { aspect-ratio: 4 / 3; max-height: 640px; object-fit: contain; background: var(--plateo-card); }

/* ---------- Pied de page ---------- */
.site-footer { background: var(--plateo-dark); color: var(--plateo-warm); padding: 72px 0 0; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand img { width: 220px; margin-bottom: 16px; }
.footer-brand p { max-width: 30em; }
.footer-col .footer-heading { color: var(--plateo-night); font-size: 1rem; font-weight: 600; letter-spacing: 0; margin-bottom: 16px; }
.footer-col li { margin-bottom: 10px; }
.site-footer a { color: var(--plateo-warm); }
.site-footer a:hover { color: var(--plateo-night); }
.socials { display: flex; gap: 10px; margin-top: 8px; }
.socials a { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; border: 1px solid #2a3d57; transition: background .2s, border-color .2s; }
.socials a:hover { background: var(--plateo-blue); border-color: var(--plateo-blue); color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; border-top: 1px solid #2a3d57; margin-top: 56px; padding-top: 24px; padding-bottom: 28px; font-size: .88rem; }
.footer-bottom p { margin: 0; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Hero sur fond bleu foncé ---------- */
.hero h1, .hero .hero-proof strong { color: var(--plateo-night); }
.hero .accent { color: #8f96ff; }
.hero .eyebrow { color: var(--plateo-green); }
.hero .lead, .hero .lead strong { color: var(--plateo-warm); }
.hero .lead strong { color: var(--plateo-night); }
.hero .hero-proof { color: var(--plateo-warm); border-top-color: #2a3d57; }
.hero .btn-ghost { border-color: var(--plateo-night); color: var(--plateo-night); }
.hero .btn-ghost:hover { background: var(--plateo-night); color: var(--plateo-dark); }
.site-header:not(.is-scrolled) { box-shadow: none; }

/* ---------- Animation d'entrée du hero ---------- */
.js .hero-title .word { display: inline-block; opacity: 0; transform: translateY(.6em); animation: word-in .7s var(--ease) forwards; }
.js .hero-anim { opacity: 0; transform: translateY(16px); animation: word-in .8s var(--ease) forwards; }
.js .eyebrow.hero-anim { animation-delay: .05s; }
.js .lead.hero-anim { animation-delay: var(--after-title, .9s); }
.js .btn-row.hero-anim { animation-delay: calc(var(--after-title, .9s) + .15s); }
.js .hero-proof.hero-anim { animation-delay: calc(var(--after-title, .9s) + .3s); }
.js .hero-visual.hero-anim { transform: translateX(24px); animation-duration: 1.1s; animation-delay: .25s; }
@keyframes word-in { to { opacity: 1; transform: none; } }

/* ---------- Animations d'apparition ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .js .hero-title .word, .js .hero-anim { opacity: 1; transform: none; animation: none; }
}