/* ========================================================================== 
   MONACORE — feuille de styles principale
   --------------------------------------------------------------------------
   Organisation :
   1. Variables et réinitialisation
   2. Composants communs
   3. Navigation et hero
   4. Sections du site
   5. Pages légales
   6. Responsive et accessibilité
   ========================================================================== */

:root {
  --black: #030304;
  --black-soft: #090a0d;
  --panel: #101116;
  --panel-light: #15171d;
  --white: #f7f6f3;
  --muted: #a8aab2;
  --red: #e32e2b;
  --red-deep: #b61c1b;
  --blue: #83d8ff;
  --champagne: #d8c9ab;
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.44);
  --radius: 20px;
  --container: 1220px;
  --header-height: 84px;
  --ease: cubic-bezier(.2, .75, .25, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--black); }
body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
::selection { background: var(--red); color: white; }

/* Lien d'évitement : visible au clavier uniquement. */
.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 9999;
  transform: translateY(-140%); background: white; color: black;
  padding: .75rem 1rem; border-radius: 6px;
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { position: relative; padding: 118px 0; }
.section--tight { padding: 82px 0; }
.section--dark { background: var(--black-soft); }
.section--line { border-top: 1px solid var(--line); }
.eyebrow {
  display: inline-flex; align-items: center; gap: .75rem;
  margin: 0 0 1rem; color: var(--champagne); font-size: .76rem;
  font-weight: 700; letter-spacing: .19em; text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--red); }
.section-title {
  max-width: 900px; margin: 0 0 1.25rem;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400; font-size: clamp(2.2rem, 5vw, 4.7rem);
  line-height: 1.04; letter-spacing: -.035em;
}
.section-title em { color: var(--red); font-style: normal; }
.lead { max-width: 760px; color: #c9cbd1; font-size: clamp(1.05rem, 1.6vw, 1.3rem); }
.muted { color: var(--muted); }
.text-red { color: var(--red); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .7rem;
  min-height: 52px; padding: .85rem 1.35rem;
  border: 1px solid transparent; border-radius: 999px;
  font-size: .84rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase;
  cursor: pointer; transition: transform .3s var(--ease), background .3s, border-color .3s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--red); color: white; }
.btn--primary:hover { background: #f43b37; }
.btn--ghost { border-color: rgba(255,255,255,.34); background: rgba(0,0,0,.22); }
.btn--ghost:hover { border-color: white; background: rgba(255,255,255,.08); }
.btn svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; }

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 1000; height: var(--header-height);
  border-bottom: 1px solid transparent;
  transition: background .35s, border-color .35s, backdrop-filter .35s;
}
.site-header.is-scrolled {
  background: rgba(3,3,4,.86); border-color: var(--line);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
}
.navbar { height: 100%; display: flex; align-items: center; gap: 2rem; }
.brand { display: inline-flex; width: 240px; min-width: 190px; overflow: hidden; }
.brand img { width: 100%; height: 72px; object-fit: contain; object-position: center; }
.nav-links { display: flex; align-items: center; gap: 1.4rem; margin-left: auto; }
.nav-links a {
  position: relative; color: #e4e4e7; font-size: .82rem; font-weight: 650;
  letter-spacing: .04em;
}
.nav-links a::after {
  content:""; position:absolute; left:0; right:100%; bottom:-8px; height:1px;
  background: var(--red); transition: right .3s var(--ease);
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { right:0; }
.lang-switch {
  display: flex; align-items: center; padding: 4px; border: 1px solid var(--line);
  border-radius: 999px; background: rgba(0,0,0,.32);
}
.lang-switch a { padding: .35rem .55rem; border-radius: 99px; color: var(--muted); font-size: .72rem; font-weight: 800; }
.lang-switch a.is-active { background: white; color: black; }
.menu-toggle { display:none; margin-left:auto; width:44px; height:44px; border:1px solid var(--line); border-radius:50%; background:rgba(0,0,0,.35); }
.menu-toggle span, .menu-toggle::before, .menu-toggle::after { content:""; display:block; width:18px; height:1px; margin:5px auto; background:white; transition:.3s; }
.menu-toggle[aria-expanded="true"] span { opacity:0; }
.menu-toggle[aria-expanded="true"]::before { transform:translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"]::after { transform:translateY(-6px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   Hero plein écran
   -------------------------------------------------------------------------- */
.hero { position: relative; min-height: 100svh; display: grid; align-items: end; overflow: hidden; }
.hero-media { position:absolute; inset:0; }
.hero-media video, .hero-media img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
/* Les anciennes boucles vidéo avec zoom pouvaient provoquer un léger tremblement.
   Les visuels fixes sont conservés pour un affichage parfaitement stable. */
.hero-media video, .split-media__visual video { display:none; }
.hero-overlay {
  position:absolute; inset:0;
  background:
    radial-gradient(circle at 72% 38%, rgba(8,58,85,.15), transparent 35%),
    linear-gradient(90deg, rgba(0,0,0,.87) 0%, rgba(0,0,0,.52) 48%, rgba(0,0,0,.28) 100%),
    linear-gradient(0deg, #030304 0%, transparent 35%, rgba(0,0,0,.18) 100%);
}
.hero-mesh { position:absolute; inset:0; opacity:.36; pointer-events:none; }
.hero-content { position:relative; z-index:2; padding: calc(var(--header-height) + 88px) 0 92px; }
.hero-kicker { color:#ddd6c9; font-size:.78rem; letter-spacing:.21em; text-transform:uppercase; font-weight:700; }
.hero h1 {
  max-width: 980px; margin: 1.2rem 0 1.35rem; font-family: Georgia, "Times New Roman", serif;
  font-weight: 400; font-size: clamp(3rem, 7.8vw, 7.8rem); line-height:.94; letter-spacing:-.055em;
  text-wrap: balance;
}
.hero h1 span { color: var(--red); }
.hero .lead { max-width: 680px; color:#e6e6e7; }
.hero-actions { display:flex; flex-wrap:wrap; gap:.8rem; margin-top:2rem; }
.hero-meta { display:flex; flex-wrap:wrap; gap:1.5rem 3rem; margin-top:4.2rem; padding-top:1.3rem; border-top:1px solid rgba(255,255,255,.22); }
.hero-meta div { display:grid; gap:.15rem; }
.hero-meta strong { font-family: Georgia,serif; font-size:1.18rem; font-weight:400; }
.hero-meta span { color:#bfc0c5; font-size:.73rem; text-transform:uppercase; letter-spacing:.13em; }
.scroll-cue { position:absolute; right:clamp(20px,4vw,60px); bottom:50px; z-index:3; display:flex; align-items:center; gap:.8rem; transform:rotate(90deg); transform-origin:right bottom; color:#d2d2d5; font-size:.66rem; letter-spacing:.18em; text-transform:uppercase; }
.scroll-cue::after { content:""; width:52px; height:1px; background:white; animation:pulseLine 1.8s infinite; }
@keyframes pulseLine { 0%,100%{opacity:.3;transform:scaleX(.65)} 50%{opacity:1;transform:scaleX(1)} }

/* --------------------------------------------------------------------------
   Grilles et cartes
   -------------------------------------------------------------------------- */
.intro-grid { display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(50px,8vw,120px); align-items:center; }
.image-frame { position:relative; overflow:hidden; border-radius:var(--radius); box-shadow:var(--shadow); min-height:560px; }
.image-frame img { width:100%; height:100%; position:absolute; inset:0; object-fit:cover; transition:transform 1.2s var(--ease); }
.image-frame:hover img { transform:scale(1.035); }
.image-frame::after { content:""; position:absolute; inset:0; border:1px solid rgba(255,255,255,.16); border-radius:inherit; pointer-events:none; }
.floating-note { position:absolute; right:-26px; bottom:38px; width:min(300px,75%); padding:1.35rem; border:1px solid var(--line); border-radius:14px; background:rgba(9,10,13,.86); backdrop-filter:blur(14px); box-shadow:var(--shadow); }
.floating-note strong { display:block; color:var(--champagne); font-family:Georgia,serif; font-size:1.22rem; font-weight:400; }
.floating-note span { color:var(--muted); font-size:.86rem; }

.service-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1px; margin-top:3.4rem; background:var(--line); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.service-card { position:relative; min-height:315px; padding:2rem; background:var(--black); overflow:hidden; transition:background .35s; }
.service-card:hover { background:#0e0f13; }
.service-card::before { content:""; position:absolute; left:0; bottom:0; width:0; height:2px; background:var(--red); transition:width .45s var(--ease); }
.service-card:hover::before { width:100%; }
.service-icon { width:46px; height:46px; margin-bottom:2.8rem; color:var(--red); }
.service-icon svg { width:100%; height:100%; fill:none; stroke:currentColor; stroke-width:1.3; stroke-linecap:round; stroke-linejoin:round; }
.service-card h3 { margin:0 0 .8rem; font-family:Georgia,serif; font-size:1.45rem; font-weight:400; }
.service-card p { margin:0; color:var(--muted); font-size:.93rem; }

.split-media { display:grid; grid-template-columns:1fr 1fr; min-height:720px; }
.split-media__visual { position:relative; overflow:hidden; }
.split-media__visual img, .split-media__visual video { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.split-media__visual::after { content:""; position:absolute; inset:0; background:linear-gradient(90deg,transparent 60%,var(--black-soft)); }
.split-media__content { display:flex; align-items:center; padding:clamp(50px,7vw,110px); background:var(--black-soft); }
.feature-list { display:grid; gap:1.15rem; margin:2.2rem 0 0; padding:0; list-style:none; }
.feature-list li { display:grid; grid-template-columns:24px 1fr; gap:.9rem; align-items:start; color:#d7d7da; }
.feature-list li::before { content:""; width:8px; height:8px; margin-top:.55rem; border:1px solid var(--red); transform:rotate(45deg); }

/* Ruckus / certification */
.ruckus-panel {
  position:relative; overflow:hidden; display:grid; grid-template-columns:1.05fr .95fr;
  min-height:660px; border:1px solid var(--line); border-radius:26px;
  background:linear-gradient(135deg,#101116,#050506 68%); box-shadow:var(--shadow);
}
.ruckus-copy { padding:clamp(36px,6vw,82px); z-index:2; }
.ruckus-copy .badge { display:inline-flex; gap:.55rem; align-items:center; margin-bottom:1.5rem; padding:.5rem .75rem; border:1px solid rgba(242,126,34,.45); border-radius:999px; color:#ff9b46; background:rgba(242,126,34,.08); font-size:.75rem; font-weight:800; letter-spacing:.08em; text-transform:uppercase; }
.ruckus-product { position:relative; min-height:480px; display:grid; place-items:center; padding:3rem; overflow:hidden; background:radial-gradient(circle at 50% 45%,rgba(56,174,226,.18),transparent 48%); }
.ruckus-product::before { content:""; position:absolute; inset:0; background:linear-gradient(0deg,rgba(3,3,4,.82),rgba(3,3,4,.45)),url("../img/villa.webp") center/cover; opacity:.55; filter:saturate(.72); transform:scale(1.03); }
.ruckus-product img { position:relative; z-index:2; width:min(520px,90%); height:auto; object-fit:contain; filter:drop-shadow(0 30px 35px rgba(0,0,0,.7)); }
.product-orbit { position:absolute; z-index:1; width:430px; aspect-ratio:1; border:1px solid rgba(131,216,255,.19); border-radius:50%; animation:spin 24s linear infinite; }
.product-orbit::before,.product-orbit::after { content:""; position:absolute; width:8px; height:8px; border-radius:50%; background:var(--blue); box-shadow:0 0 18px var(--blue); }
.product-orbit::before { left:48%; top:-4px; } .product-orbit::after { left:9%; bottom:12%; }
@keyframes spin { to{transform:rotate(360deg)} }
.cert-grid { display:grid; grid-template-columns:.85fr 1.15fr; gap:clamp(36px,6vw,86px); align-items:center; margin-top:4.8rem; }
.cert-preview { display:block; border-radius:14px; overflow:hidden; box-shadow:var(--shadow); transition:transform .35s var(--ease); background:white; }
.cert-preview:hover { transform:translateY(-5px) rotate(-.25deg); }
.cert-preview img { width:100%; height:auto; object-fit:contain; }

/* Marques */
.brand-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-top:3rem; }
.brand-tile { min-height:155px; display:grid; place-items:center; gap:.8rem; padding:1.4rem; border:1px solid var(--line); border-radius:16px; background:#f7f7f5; color:#111; transition:transform .3s var(--ease), box-shadow .3s; }
.brand-tile:hover { transform:translateY(-4px); box-shadow:0 18px 45px rgba(0,0,0,.35); }
.brand-tile img { max-width:190px; max-height:60px; object-fit:contain; }
.brand-tile small { text-align:center; color:#555b64; font-size:.72rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; }
.brand-tile--featured { border-color:rgba(227,46,43,.65); }

/* Partenaires */
.partner-map { position:relative; display:grid; grid-template-columns:1fr 1fr 1fr; gap:1.4rem; margin-top:3.2rem; }
.partner-card { min-height:370px; display:flex; flex-direction:column; padding:2rem; border:1px solid var(--line); border-radius:var(--radius); background:var(--panel); }
.partner-card--monacore { background:linear-gradient(145deg,#15171c,#070709); border-color:rgba(227,46,43,.45); }
.partner-logo { height:92px; display:flex; align-items:center; margin-bottom:2rem; padding:1rem; border-radius:12px; background:white; }
.partner-logo img { max-width:100%; max-height:70px; object-fit:contain; margin:auto; }
.partner-logo--dark { background:#020203; }
.partner-logo--dark img { width:100%; height:78px; object-fit:contain; object-position:center; }
.partner-card h3 { margin:0 0 .7rem; font-family:Georgia,serif; font-weight:400; font-size:1.5rem; }
.partner-card p { color:var(--muted); font-size:.92rem; }
.partner-card .tag { margin-top:auto; padding-top:1.2rem; border-top:1px solid var(--line); color:var(--champagne); font-size:.74rem; font-weight:750; letter-spacing:.1em; text-transform:uppercase; }

/* Méthode */
.process { display:grid; grid-template-columns:repeat(5,1fr); margin-top:3.2rem; counter-reset:step; }
.process-step { position:relative; padding:1.8rem 1.5rem 1.8rem 0; border-top:1px solid var(--line); counter-increment:step; }
.process-step::before { content:"0" counter(step); display:block; margin-bottom:2.2rem; color:var(--red); font-family:Georgia,serif; font-size:1.5rem; }
.process-step::after { content:""; position:absolute; top:-4px; left:0; width:8px; height:8px; border-radius:50%; background:white; }
.process-step h3 { margin:0 0 .6rem; font-size:1rem; }
.process-step p { margin:0; color:var(--muted); font-size:.84rem; }

/* Bandeau chiffres */
.statement { padding:90px 0; background:var(--red); color:white; }
.statement-grid { display:grid; grid-template-columns:1.4fr .6fr; gap:3rem; align-items:end; }
.statement blockquote { margin:0; font-family:Georgia,serif; font-size:clamp(2.2rem,5vw,5rem); line-height:1.03; letter-spacing:-.04em; }
.statement p { margin:0; font-size:.95rem; opacity:.86; }

/* Contact */
.contact-grid { display:grid; grid-template-columns:.82fr 1.18fr; gap:clamp(50px,8vw,120px); align-items:start; }
.contact-details { display:grid; gap:1.2rem; margin-top:2rem; }
.contact-item { padding:1rem 0; border-bottom:1px solid var(--line); }
.contact-item small { display:block; color:var(--muted); font-size:.72rem; letter-spacing:.11em; text-transform:uppercase; }
.contact-item a, .contact-item span { font-size:1.05rem; }
.contact-form { display:grid; grid-template-columns:1fr 1fr; gap:1rem; padding:clamp(24px,4vw,46px); border:1px solid var(--line); border-radius:var(--radius); background:var(--panel); }
.field { display:grid; gap:.45rem; }
.field--full { grid-column:1/-1; }
.field label { font-size:.76rem; color:#d9d9dc; letter-spacing:.06em; text-transform:uppercase; }
.field input,.field textarea,.field select { width:100%; border:1px solid rgba(255,255,255,.15); border-radius:9px; padding:.9rem 1rem; color:white; background:#08090c; outline:none; transition:border-color .25s,box-shadow .25s; }
.field textarea { min-height:150px; resize:vertical; }
.field input:focus,.field textarea:focus,.field select:focus { border-color:var(--red); box-shadow:0 0 0 3px rgba(227,46,43,.12); }
.field--honeypot { position:absolute; left:-9999px; }
.form-note { grid-column:1/-1; color:var(--muted); font-size:.75rem; }
.form-status { grid-column:1/-1; display:none; padding:.8rem 1rem; border-radius:8px; font-size:.86rem; }
.form-status.is-visible { display:block; }
.form-status.is-success { background:rgba(48,166,89,.12); color:#83efa8; border:1px solid rgba(48,166,89,.35); }
.form-status.is-error { background:rgba(227,46,43,.12); color:#ff9a98; border:1px solid rgba(227,46,43,.35); }

/* Footer */
.site-footer { padding:70px 0 28px; border-top:1px solid var(--line); background:#010102; }
.footer-grid { display:grid; grid-template-columns:1.25fr .75fr .75fr; gap:3rem; }
.footer-brand img { width:290px; height:110px; object-fit:contain; object-position:center; }
.footer-brand p { max-width:440px; color:var(--muted); font-size:.9rem; }
.footer-col h3 { margin:0 0 1rem; font-size:.75rem; letter-spacing:.12em; text-transform:uppercase; }
.footer-col a { display:block; width:max-content; margin:.55rem 0; color:var(--muted); font-size:.88rem; }
.footer-col a:hover { color:white; }
.footer-bottom { display:flex; justify-content:space-between; gap:1rem; margin-top:3.2rem; padding-top:1.4rem; border-top:1px solid var(--line); color:#777a82; font-size:.75rem; }

/* Animations au défilement. Le JS ajoute la classe .is-visible. */
.reveal { opacity:0; transform:translateY(32px); transition:opacity .8s var(--ease),transform .8s var(--ease); }
.reveal.is-visible { opacity:1; transform:none; }
.reveal-delay-1 { transition-delay:.1s; }.reveal-delay-2{transition-delay:.2s}.reveal-delay-3{transition-delay:.3s}

/* Pages légales */
.legal-hero { padding:calc(var(--header-height) + 90px) 0 60px; border-bottom:1px solid var(--line); background:radial-gradient(circle at 70% 0,rgba(227,46,43,.12),transparent 38%); }
.legal-content { max-width:900px; padding:70px 0 110px; }
.legal-content h2 { margin:2.5rem 0 .7rem; font-family:Georgia,serif; font-weight:400; font-size:1.75rem; }
.legal-content h3 { margin:1.8rem 0 .5rem; }
.legal-content p,.legal-content li { color:#c0c2c8; }
.legal-content a { color:#fff; text-decoration:underline; text-underline-offset:3px; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1040px) {
  .nav-links { position:fixed; inset:var(--header-height) 0 auto; display:grid; gap:0; padding:1.2rem 20px 2rem; background:rgba(3,3,4,.97); border-bottom:1px solid var(--line); transform:translateY(-130%); transition:transform .35s var(--ease); }
  .nav-links.is-open { transform:translateY(0); }
  .nav-links a { padding:1rem 0; border-bottom:1px solid var(--line); font-size:1rem; }
  .menu-toggle { display:block; }
  .lang-switch { margin-left:.3rem; }
  .intro-grid,.contact-grid,.cert-grid { grid-template-columns:1fr; }
  .floating-note { right:18px; }
  .service-grid { grid-template-columns:repeat(2,1fr); }
  .brand-grid { grid-template-columns:repeat(3,1fr); }
  .partner-map { grid-template-columns:1fr; }
  .partner-card { min-height:300px; }
  .process { grid-template-columns:repeat(3,1fr); gap:1.2rem; }
  .ruckus-panel { grid-template-columns:1fr; }
}
@media (max-width: 760px) {
  :root { --header-height:72px; }
  .container { width:min(calc(100% - 28px),var(--container)); }
  .section { padding:82px 0; }
  .brand { width:188px; }
  .brand img { height:62px; }
  .lang-switch a { padding:.32rem .44rem; }
  .hero-content { padding-bottom:62px; }
  .hero h1 { max-width:100%; font-size:clamp(2.55rem,11.2vw,4.6rem); line-height:.98; letter-spacing:-.05em; text-wrap:wrap; }
  .hero-meta { gap:1.2rem; margin-top:2.7rem; }
  .scroll-cue { display:none; }
  .intro-grid { gap:44px; }
  .image-frame { min-height:470px; }
  .service-grid { grid-template-columns:1fr; }
  .service-card { min-height:auto; }
  .split-media { grid-template-columns:1fr; min-height:0; }
  .split-media__visual { min-height:460px; }
  .split-media__visual::after { background:linear-gradient(0deg,var(--black-soft),transparent 45%); }
  .split-media__content { padding:55px 22px 80px; }
  .brand-grid { grid-template-columns:repeat(2,1fr); }
  .brand-tile { min-height:130px; padding:1rem; }
  .brand-tile img { max-width:145px; max-height:46px; }
  .process { grid-template-columns:1fr; }
  .process-step { padding-left:0; }
  .statement-grid { grid-template-columns:1fr; }
  .contact-form { grid-template-columns:1fr; }
  .field--full { grid-column:auto; }
  .footer-grid { grid-template-columns:1fr; }
  .footer-bottom { flex-direction:column; }
}
@media (max-width: 420px) {
  .hero h1 { font-size:clamp(2.15rem,10.6vw,2.9rem); }
  .brand { width:160px; min-width:150px; }
  .lang-switch { display:none; }
  .brand-grid { grid-template-columns:1fr; }
}

/* Respect de l'option système "réduire les animations". */
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { scroll-behavior:auto !important; animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
  .reveal { opacity:1; transform:none; }
  .hero-media video { display:none; }
}