/* ============================================
   NServices — feuille de style
   ============================================ */

:root {
  --bg: #eaf1fb;
  --bg-raised: #ffffff;
  --bg-raised-2: #dfe9f9;
  --accent: #3f57c4;
  --accent-dim: rgba(63, 87, 196, 0.08);
  --accent-line: rgba(63, 87, 196, 0.28);
  --text: #10152f;
  --text-muted: #454f77;
  --text-faint: #737faa;
  --border: rgba(16, 21, 47, 0.09);
  --border-strong: rgba(16, 21, 47, 0.16);
  --max-w: 1120px;
  --radius: 6px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 900px 500px at 85% -10%, rgba(63,87,196,0.07), transparent 60%),
    radial-gradient(ellipse 700px 500px at -10% 40%, rgba(63,87,196,0.05), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

h1, h2, h3, h4 {
  font-family: "Fraunces", "Georgia", serif;
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--text);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 4.2vw, 3.4rem); font-weight: 480; }
h2 { font-size: clamp(1.7rem, 3vw, 2.35rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em; color: var(--text-muted); max-width: 62ch; }

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

img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

/* ---------- header ---------- */

header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(234, 241, 251, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.logo {
  font-family: "Fraunces", serif;
  font-size: 1.3rem;
  color: var(--text);
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.logo span { color: var(--accent); }

nav.links {
  display: flex;
  gap: 34px;
  align-items: center;
}

nav.links a {
  font-size: 0.92rem;
  color: var(--text-muted);
  transition: color 0.15s ease;
  position: relative;
}
nav.links a:hover { color: var(--text); }
nav.links a.active { color: var(--text); }
nav.links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -20px;
  height: 2px;
  background: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 500;
  border: 1px solid var(--border-strong);
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.btn-ghost {
  background: transparent;
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent-line); background: var(--accent-dim); }

.nav-cta { display: flex; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ---------- hero ---------- */

.hero {
  padding: 88px 0 76px;
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--accent);
  border: 1px solid var(--accent-line);
  background: var(--accent-dim);
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
  letter-spacing: 0.02em;
}

.hero p.lede {
  font-size: 1.12rem;
  color: var(--text-muted);
  margin-top: 18px;
  max-width: 46ch;
}

.hero-meta {
  margin-top: 14px;
  font-size: 0.88rem;
  color: var(--text-faint);
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
}

/* decorative network graphic */
.hero-graphic {
  aspect-ratio: 1 / 1;
  position: relative;
}

/* ---------- sections ---------- */

section { padding: 72px 0; }
section.tight { padding: 48px 0; }
section.on-panel { background: var(--bg-raised); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-head {
  margin-bottom: 44px;
  max-width: 60ch;
}
.section-head .kicker {
  font-size: 0.82rem;
  color: var(--accent);
  text-transform: none;
  margin-bottom: 10px;
  display: block;
}

/* ---------- stats ---------- */

.stats-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stat-cell {
  padding: 34px 24px;
  border-right: 1px solid var(--border);
  text-align: left;
}
.stat-cell:last-child { border-right: none; }
.stat-num {
  font-family: "Fraunces", serif;
  font-size: 2.3rem;
  color: var(--text);
  display: block;
  margin-bottom: 4px;
}
.stat-label { font-size: 0.86rem; color: var(--text-muted); }
.stat-sub { font-size: 0.78rem; color: var(--text-faint); margin-top: 2px; }

/* ---------- cards ---------- */

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
}

.domain-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.domain-card:hover { border-color: var(--accent-line); }

.icon-box {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--accent);
}
.icon-box svg { width: 20px; height: 20px; }

/* ---------- feature list (Pourquoi NServices) ---------- */

.feature-list { border-top: 1px solid var(--border); }
.feature-row {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--border);
}
.feature-row .arrow { color: var(--accent); font-size: 1.2rem; padding-top: 2px; }
.feature-row h4 { margin-bottom: 6px; font-family: "Fraunces", serif; font-size: 1.08rem; font-weight: 500; }
.feature-row p { margin: 0; }

/* ---------- principle blocks ---------- */

.principle {
  background: var(--bg-raised-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
}
.principle h4 { margin-bottom: 8px; font-size: 1.05rem; }
.principle p { margin: 0; font-size: 0.94rem; }

.vision-block {
  background: var(--accent);
  color: #ffffff;
  border-radius: var(--radius);
  padding: 34px;
}
.vision-block h3 { color: #ffffff; }
.vision-block p { color: rgba(255,255,255,0.85); margin: 0; }

.mission-block { padding: 34px 0; }

/* ---------- service detail sections ---------- */

.service-block {
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}
.service-block:last-child { border-bottom: none; }
.service-block-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
}
.sub-list { border-top: 1px solid var(--border); }
.sub-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.sub-item h4 { font-size: 1rem; margin-bottom: 4px; font-family: "Fraunces", serif; font-weight: 500; }
.sub-item p { margin: 0; font-size: 0.92rem; }

.partners-line {
  margin-top: 20px;
  font-size: 0.88rem;
  color: var(--text-faint);
}
.partners-line strong { color: var(--text-muted); font-weight: 500; }

/* ---------- clients / references ---------- */

.client-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--border); }
.client-list li {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 20px;
}
.client-list strong { font-family: "Fraunces", serif; font-weight: 500; font-size: 1.02rem; }
.client-list span { color: var(--text-muted); font-size: 0.94rem; }

.partner-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.partner-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  background: var(--bg-raised);
}
.partner-card .flag { font-size: 1.3rem; margin-bottom: 8px; display: block; }
.partner-card strong { font-family: "Fraunces", serif; font-weight: 500; font-size: 1.05rem; display: block; margin-bottom: 2px; }
.partner-card span { font-size: 0.86rem; color: var(--text-faint); }

.equip-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.equip-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.equip-card .icon-box { margin-bottom: 0; flex-shrink: 0; }
.equip-card h4 { font-size: 0.95rem; margin-bottom: 3px; }
.equip-card p { font-size: 0.86rem; margin: 0; }

/* ---------- team ---------- */

.team-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 40px; }
.team-item { text-align: left; }
.team-item .icon-box { margin-bottom: 14px; }
.team-item span { font-size: 0.88rem; color: var(--text-muted); }

/* ---------- contact ---------- */

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.contact-row {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.contact-row .icon-box { flex-shrink: 0; margin-bottom: 0; }
.contact-row h4 { font-size: 0.95rem; margin-bottom: 3px; }
.contact-row p { margin: 0; font-size: 0.92rem; }

form.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 0.84rem; color: var(--text-muted); }
.field input, .field textarea, .field select {
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.94rem;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
}
.field textarea { resize: vertical; min-height: 120px; }

/* ---------- form alerts ---------- */

.alert-ok-box, .alert-error-box {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.92rem;
  margin-bottom: 20px;
  border: 1px solid;
}
.alert-ok-box { background: rgba(139,217,168,0.08); border-color: rgba(139,217,168,0.3); color: #8bd9a8; }
.alert-error-box { background: rgba(217,139,139,0.08); border-color: rgba(217,139,139,0.3); color: #d98b8b; }

/* ---------- map placeholder ---------- */

.map-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  height: 100%;
  min-height: 320px;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; min-height: 320px; }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 64px 0;
}
.cta-band .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.cta-band h2 { margin: 0; }
.cta-band .actions { display: flex; gap: 14px; flex-shrink: 0; }

/* ---------- footer ---------- */

footer.site {
  border-top: 1px solid var(--border);
  padding: 48px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--border);
}
.footer-grid h5 {
  font-size: 0.82rem;
  color: var(--text-faint);
  margin: 0 0 14px;
  font-weight: 500;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-grid a, .footer-grid p { font-size: 0.9rem; color: var(--text-muted); margin: 0; }
.footer-grid a:hover { color: var(--text); }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-faint);
}

/* ---------- responsive ---------- */

@media (max-width: 880px) {
  nav.links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 28px 18px;
  }
  nav.links.open { display: flex; }
  nav.links a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--border); }
  nav.links a.active::after { display: none; }
  header.site { position: sticky; }
  .nav-row { position: relative; }
  .nav-toggle { display: block; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-graphic { max-width: 320px; margin: 0 auto; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-cell:nth-child(2n) { border-right: none; }
  .stat-cell { border-bottom: 1px solid var(--border); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .service-block-grid { grid-template-columns: 1fr; gap: 28px; }
  .client-list li { grid-template-columns: 1fr; gap: 4px; }
  .partner-grid, .equip-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-band .wrap { flex-direction: column; align-items: flex-start; }
  .form-row { grid-template-columns: 1fr; }
}