/* ── SHARED CSS — Tenet Consulting France · Light Theme ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f5f7fa;
  --bg-card: #ffffff;
  --bg-mid: #eef1f6;
  --blue-accent: #1a5fc8;
  --blue-light: #2d7aed;
  --blue-deep: #0d3b8a;
  --cyan: #0ea5e9;
  --text-primary: #0f1e3d;
  --text-secondary: #4a5568;
  --text-muted: #8a96a8;
  --border: rgba(15,30,61,0.1);
  --border-strong: rgba(15,30,61,0.18);
  --shadow: 0 2px 20px rgba(15,30,61,0.08);
  --shadow-lg: 0 8px 40px rgba(15,30,61,0.12);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px; line-height: 1.6; overflow-x: hidden;
}

.bg-grid {
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(26,95,200,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,95,200,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none; z-index: 0;
}
.bg-orb {
  position: fixed; border-radius: 50%; filter: blur(90px);
  pointer-events: none; z-index: 0;
  animation: drift 14s ease-in-out infinite alternate;
}
.bg-orb-1 { width: 500px; height: 500px; background: rgba(26,95,200,0.07); top:-120px; right:-80px; }
.bg-orb-2 { width: 400px; height: 400px; background: rgba(14,165,233,0.06); bottom:10%; left:-100px; animation-delay:-5s; }
.bg-orb-3 { width: 300px; height: 300px; background: rgba(26,95,200,0.05); top:50%; left:45%; animation-delay:-9s; }
@keyframes drift { 0%{transform:translate(0,0) scale(1)} 100%{transform:translate(24px,32px) scale(1.06)} }

/* NAV */
nav {
  position: fixed; top:0; left:0; right:0; z-index:100;
  padding: 14px 60px;
  display: flex; align-items: center; justify-content: space-between;
  backdrop-filter: blur(20px);
  background: rgba(245,247,250,0.9);
  border-bottom: 1px solid var(--border);
  transition: padding 0.3s, box-shadow 0.3s;
}
nav.scrolled { box-shadow: var(--shadow); }
.nav-logo { display:flex; align-items:center; text-decoration:none; }
.nav-logo img { height: 36px; width: auto; }
.nav-links { display:flex; gap:4px; align-items:center; }
.nav-links a {
  text-decoration:none; color:var(--text-secondary); font-size:14px; font-weight:400;
  padding:8px 16px; border-radius:8px; transition:color 0.2s, background 0.2s;
}
.nav-links a:hover { color:var(--text-primary); background:var(--bg-mid); }
.nav-links a.active { color:var(--blue-accent); font-weight:500; background:rgba(26,95,200,0.07); }
.nav-cta {
  background:var(--blue-accent); color:#fff; font-size:14px; font-weight:500;
  padding:10px 22px; border-radius:8px; text-decoration:none;
  transition:background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 12px rgba(26,95,200,0.3);
}
.nav-cta:hover { background:var(--blue-deep); transform:translateY(-1px); box-shadow:0 4px 20px rgba(26,95,200,0.4); }
.burger { display:none; background:none; border:1px solid var(--border); color:var(--text-primary); font-size:18px; padding:6px 12px; border-radius:6px; cursor:pointer; }

.mobile-menu {
  display:none; flex-direction:column; gap:4px;
  position:fixed; top:65px; left:0; right:0;
  background:rgba(245,247,250,0.97); backdrop-filter:blur(20px);
  padding:20px; border-bottom:1px solid var(--border);
  z-index:99; box-shadow:var(--shadow-lg);
}
.mobile-menu.open { display:flex; }
.mobile-menu a { text-decoration:none; color:var(--text-secondary); font-size:16px; padding:14px 16px; border-radius:8px; transition:color 0.2s,background 0.2s; }
.mobile-menu a:hover { color:var(--text-primary); background:var(--bg-mid); }

@keyframes fadeUp { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
.reveal { opacity:0; transform:translateY(28px); transition:opacity 0.7s ease,transform 0.7s ease; }
.reveal.visible { opacity:1; transform:translateY(0); }

/* PAGE HEADER */
.page-header {
  padding:150px 60px 72px; position:relative; z-index:2;
  border-bottom:1px solid var(--border); margin-bottom:80px;
  background:linear-gradient(180deg,rgba(26,95,200,0.04) 0%,transparent 100%);
}
.page-header .section-label { font-size:12px; font-weight:600; letter-spacing:3px; text-transform:uppercase; color:var(--blue-accent); margin-bottom:18px; }
.page-header h1 { font-family:var(--font-display); font-size:clamp(36px,5vw,62px); font-weight:800; letter-spacing:-2px; line-height:1.05; max-width:700px; color:var(--text-primary); }
.page-header h1 em { font-style:normal; color:var(--blue-accent); }
.page-header p { color:var(--text-secondary); font-size:17px; max-width:560px; margin-top:20px; font-weight:300; line-height:1.7; }

/* FOOTER */
footer { margin-top:40px; padding:60px; border-top:1px solid var(--border); position:relative; z-index:2; background:var(--bg-card); }
.footer-top { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:40px; gap:40px; flex-wrap:wrap; }
.footer-brand p { color:var(--text-muted); font-size:14px; margin-top:12px; }
.footer-logo img { height:34px; width:auto; }
.footer-links { display:flex; gap:4px; flex-wrap:wrap; }
.footer-links a { text-decoration:none; color:var(--text-secondary); font-size:14px; padding:8px 16px; border-radius:8px; transition:color 0.2s,background 0.2s; }
.footer-links a:hover { color:var(--text-primary); background:var(--bg-mid); }
.footer-bottom { display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; padding-top:24px; border-top:1px solid var(--border); font-size:13px; color:var(--text-muted); }

/* UTILS */
.section-label { font-size:12px; font-weight:600; letter-spacing:3px; text-transform:uppercase; color:var(--blue-accent); margin-bottom:20px; display:block; }
.btn-primary { display:inline-block; background:var(--blue-accent); color:#fff; font-weight:500; font-size:15px; padding:14px 32px; border-radius:8px; text-decoration:none; border:none; cursor:pointer; transition:background 0.2s,transform 0.2s,box-shadow 0.2s; font-family:var(--font-body); box-shadow:0 2px 12px rgba(26,95,200,0.3); }
.btn-primary:hover { background:var(--blue-deep); transform:translateY(-2px); box-shadow:0 8px 24px rgba(26,95,200,0.35); }
.btn-outline { display:inline-block; background:transparent; color:var(--text-primary); font-weight:500; font-size:15px; padding:14px 32px; border-radius:8px; border:1px solid var(--border-strong); text-decoration:none; cursor:pointer; font-family:var(--font-body); transition:border-color 0.2s,background 0.2s,transform 0.2s; }
.btn-outline:hover { border-color:var(--blue-accent); background:rgba(26,95,200,0.05); transform:translateY(-2px); }

@media (max-width:900px) {
  nav { padding:12px 24px; }
  .nav-links,.nav-cta { display:none; }
  .burger { display:block; }
  .page-header { padding:110px 24px 56px; }
  footer { padding:40px 24px; }
}

/* ── MOBILE OVERFLOW FIX ── */
html, body {
  max-width: 100%;
  overflow-x: hidden;
}

@media (max-width: 900px) {
  .page-header h1 {
    font-size: clamp(28px, 8vw, 48px);
    letter-spacing: -1px;
    word-break: break-word;
    hyphens: auto;
  }
  .page-header {
    padding: 110px 20px 50px;
  }
  .page-header p {
    font-size: 15px;
  }
}

@media (max-width: 600px) {
  * { max-width: 100%; }
  h1, h2, h3 {
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .page-header h1 {
    font-size: clamp(24px, 7.5vw, 36px);
    letter-spacing: -0.5px;
  }
  footer {
    padding: 32px 20px;
  }
  .footer-top {
    flex-direction: column;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    font-size: 12px;
  }
  nav {
    padding: 12px 16px;
  }
}