/* ---------- Tokens ---------- */
:root {
  --ink: #2e3440;
  --ink-deep: #1c2028;
  --ink-soft: #5c5850;
  --ink-faint: #8a8578;
  --paper: #f5f1e8;
  --paper-alt: #ece7db;
  --surface: #ffffff;
  --line: #e2dccd;
  --accent: #e8a33d;
  --accent-ink: #c07f22;
  --radius: 20px;
  --wrap: 1120px;
  --sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  text-wrap: pretty;
}

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 .5em;
}

p { margin: 0 0 1em; color: var(--ink-soft); }
a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  z-index: 200;
}
.skip-link:focus { left: 16px; top: 16px; }

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 14px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 980px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  border: none;
  transition: transform .15s ease, background .2s ease, opacity .2s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary { background: var(--accent); color: var(--ink); }
.btn-primary:hover { background: var(--accent-ink); }

.btn-ghost { background: var(--paper-alt); color: var(--ink); }
.btn-ghost:hover { background: var(--line); }

.btn-small { padding: 8px 18px; font-size: 14px; }
.btn-block { width: 100%; padding: 14px 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 60px;
  background: rgba(245,241,232,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: contents; }

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 700 19px/1 var(--sans);
  letter-spacing: -0.03em;
  color: var(--ink);
}
.logo b { color: var(--accent); font-weight: 700; }
.logo-mark { width: 34px; height: auto; object-fit: contain; flex-shrink: 0; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color .15s ease;
}
.main-nav a:hover { color: var(--ink); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--ink);
}

/* ---------- Hero ---------- */
.hero { background: var(--paper); color: var(--ink); }
.hero-copy {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: 100px 24px 56px;
}
.hero h1 {
  font-size: clamp(36px, 5.5vw, 68px);
  margin: 16px 0 24px;
}
.eyebrow.hero-eyebrow { color: var(--accent); }
.hero .eyebrow { font-size: 15px; font-weight: 600; color: var(--accent); letter-spacing: 0.01em; text-transform: none; }
.hero-lead {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 auto;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero-canvas-wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px 90px;
  position: relative;
}
.hero-canvas-wrap canvas,
.hero-canvas-wrap .hero-canvas-vignette,
.hero-canvas-wrap .hero-canvas-caption {
  position: absolute;
}
#net-canvas {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 2.1 / 1;
  border-radius: 24px;
  background: radial-gradient(120% 100% at 50% 0%, var(--ink) 0%, var(--ink-deep) 70%);
  box-shadow: 0 40px 80px -20px rgba(0,0,0,0.28);
}
.hero-canvas-vignette {
  inset: 0 24px 90px;
  border-radius: 24px;
  background: radial-gradient(60% 60% at 50% 45%, transparent 40%, rgba(0,0,0,0.5) 100%);
  pointer-events: none;
}
.hero-canvas-caption {
  left: 56px;
  bottom: 118px;
  color: rgba(255,255,255,0.72);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  pointer-events: none;
}

/* ---------- Section shared ---------- */
.section-head { max-width: 640px; margin-bottom: 64px; }
.section-head h2 { font-size: clamp(28px, 4vw, 42px); }

/* ---------- Approche ---------- */
.approche { padding: 120px 0; background: var(--paper-alt); }
.step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.step-num { font-size: 15px; font-weight: 700; color: var(--accent); margin-bottom: 16px; }
.step-block h3 { font-size: 21px; margin-bottom: 10px; }
.step-block p { font-size: 15.5px; margin: 0; }

/* ---------- Flow band ---------- */
.flow-band { position: relative; height: 280px; overflow: hidden; background: var(--paper); }
#flow-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.flow-band-fade {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--paper) 0%, transparent 18%, transparent 82%, var(--paper) 100%);
  pointer-events: none;
}
.flow-band-copy {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
}
.flow-band-copy p {
  font-size: clamp(18px, 2.4vw, 26px);
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 620px;
  text-align: center;
  padding: 0 24px;
  margin: 0;
}

/* ---------- Services ---------- */
.services { padding: 120px 0; background: var(--paper); }
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.service-card { background: var(--surface); padding: 44px 36px; }
.service-num { font-size: 14px; font-weight: 700; color: var(--line); margin-bottom: 20px; }
.service-card h3 { font-size: 21px; margin-bottom: 12px; }
.service-card p { font-size: 15.5px; margin: 0; }

/* ---------- Equipe ---------- */
.equipe { padding: 120px 0; background: var(--paper-alt); }
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 320px));
  gap: 48px;
}
.team-photo {
  width: 108px;
  height: 108px;
  border-radius: 50%;
  background: repeating-linear-gradient(45deg, var(--line), var(--line) 10px, var(--paper-alt) 10px, var(--paper-alt) 20px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-faint);
  margin-bottom: 22px;
}
.team-card h3 { font-size: 18px; margin-bottom: 4px; }
.team-role { font-size: 14px; font-weight: 600; color: var(--accent); margin-bottom: 12px; }
.team-card p { font-size: 15px; margin: 0; }

/* ---------- Contact ---------- */
.contact { padding: 120px 0; background: var(--paper); }
.contact-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.contact-head { max-width: 560px; margin: 0 auto 48px; }
.contact-lead { font-size: 17px; }

.contact-form {
  max-width: 520px;
  margin: 0 auto;
  background: var(--paper-alt);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.12);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-row { display: flex; flex-direction: column; gap: 8px; }
.form-row label { font-size: 13px; font-weight: 600; color: var(--ink); }
.hp-field {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.form-row input,
.form-row textarea {
  font-family: var(--sans);
  font-size: 15px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  resize: vertical;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232, 163, 61, 0.2);
}
.form-note { font-size: 14px; color: var(--ink-soft); min-height: 1.2em; margin: 4px 0 0; text-align: center; }
.form-note.success { color: #1a7f3c; }
.form-note.error { color: #c0392b; }

/* ---------- Footer ---------- */
.site-footer { padding: 64px 40px 0; background: var(--paper); border-top: 1px solid var(--line); }
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
  padding-bottom: 40px;
}
.logo-footer { margin-bottom: 8px; }
.footer-brand-tag { font-size: 12px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent-ink); margin: 0 0 10px; }
.footer-tag { font-size: 14px; color: var(--ink-faint); max-width: 280px; margin: 0; }
.footer-links { display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.footer-links a { color: var(--ink-soft); }
.footer-links a:hover { color: var(--ink); }
.footer-links-title { font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-faint);
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .step-grid, .service-grid, .team-grid { grid-template-columns: 1fr; }
  .service-grid { gap: 1px; }
  .approche, .services, .equipe, .contact { padding: 72px 0; }
  .hero-copy { padding: 64px 24px 40px; }
  .hero-canvas-wrap { padding-bottom: 64px; }
}

@media (max-width: 760px) {
  .main-nav, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .site-header.open {
    flex-wrap: wrap;
    height: auto;
    padding-bottom: 20px;
  }
  .site-header.open .main-nav {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 16px;
    padding-top: 12px;
  }
  .site-header.open .nav-cta {
    display: inline-flex;
    margin-top: 16px;
  }
  .footer-inner { flex-direction: column; }
}