/* ═══════════════════════════════════════════
   unfold.coop - Feuille de style partagée
   Montserrat + Roboto · Palette de marque
═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&family=Roboto:wght@300;400;500&display=swap');

/* ── TOKENS ── */
:root {
  --coral:       #eb4f5e;
  --coral-light: #f07580;
  --coral-dark:  #d03d4b;
  --green:       #4b635d;
  --green-light: #6a8e87;
  --green-pale:  #e8edec;
  --blue:        #3d6e98;
  --blue-light:  #5b8ab8;
  --blue-pale:   #e8f0f7;
  --dark:        #1a1f1e;
  --mid:         #2d3733;
  --text:        #2c3830;
  --muted:       #6b7b76;
  --bg:          #f5f3ef;
  --off:         #eeecea;
  --white:       #ffffff;

  --font-head:   'Montserrat', sans-serif;
  --font-body:   'Roboto', sans-serif;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --shadow-sm:   0 2px 12px rgba(0,0,0,0.06);
  --shadow-md:   0 8px 32px rgba(0,0,0,0.10);
  --shadow-lg:   0 20px 60px rgba(0,0,0,0.12);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; }

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: 72px;
  background: rgba(245,243,239,0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(75,99,93,0.10);
  transition: height 0.3s, box-shadow 0.3s;
}
nav.scrolled {
  height: 60px;
  box-shadow: 0 2px 24px rgba(0,0,0,0.08);
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 22px;
  color: var(--green);
  letter-spacing: -0.5px;
}
.nav-logo span { color: var(--coral); }

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
  align-items: center;
}
.nav-links a {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--text);
  position: relative;
  padding-bottom: 3px;
  transition: color 0.2s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--coral);
  transition: width 0.25s ease;
}
.nav-links a:hover,
.nav-links a.active { color: var(--coral); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta {
  background: var(--coral) !important;
  color: var(--white) !important;
  padding: 10px 22px !important;
  border-radius: var(--radius-sm) !important;
  border: 2px solid var(--coral) !important;
  transition: background 0.2s, color 0.2s, transform 0.2s !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: transparent !important;
  color: var(--coral) !important;
  transform: translateY(-1px);
}

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  background: var(--dark);
  padding: 160px 48px 80px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -150px; right: -150px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(235,79,94,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61,110,152,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  position: relative; z-index: 1;
}
.page-hero-tag {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 20px;
}
.page-hero-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 20px;
}
.page-hero-desc {
  font-size: 17px;
  font-weight: 300;
  line-height: 1.65;
  color: rgba(255,255,255,0.55);
  max-width: 560px;
}

/* ── SECTION SHARED ── */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 48px;
}
.section-tag {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--dark);
}
.section-desc {
  font-size: 16px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--muted);
  max-width: 560px;
}

/* ── BUTTONS ── */
.btn-primary {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  background: var(--coral);
  color: var(--white);
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--coral);
  display: inline-block;
  transition: all 0.25s;
  cursor: pointer;
}
.btn-primary:hover {
  background: transparent;
  color: var(--coral);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(235,79,94,0.2);
}
.btn-ghost {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--green);
  border: 2px solid var(--green);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  display: inline-block;
  transition: all 0.25s;
}
.btn-ghost:hover {
  background: var(--green);
  color: var(--white);
}
.btn-text {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  color: var(--coral);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.2s, color 0.2s;
}
.btn-text:hover { gap: 14px; }

/* ── EXPERTISE TICKER ── */
.ticker-bar {
  background: var(--coral);
  overflow: hidden;
  padding: 22px 0;
}
.ticker-track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: ticker-scroll 30s linear infinite;
  align-items: center;
}
.ticker-item {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 24px;
}
.ticker-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  flex-shrink: 0;
}
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── CTA BOX ── */
.cta-box {
  background: var(--green);
  border-radius: var(--radius-lg);
  padding: 72px 80px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 450px; height: 450px;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
  pointer-events: none;
}
.cta-box::after {
  content: '';
  position: absolute;
  bottom: -120px; left: 40%;
  width: 350px; height: 350px;
  border-radius: 50%;
  background: rgba(235,79,94,0.05);
  pointer-events: none;
}
.cta-tag {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 16px;
  position: relative; z-index: 1;
}
.cta-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 34px;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 14px;
  position: relative; z-index: 1;
}
.cta-desc {
  font-size: 15px;
  font-weight: 300;
  color: rgba(255,255,255,0.6);
  line-height: 1.65;
  max-width: 460px;
  position: relative; z-index: 1;
}
.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative; z-index: 1;
  min-width: 220px;
}
.btn-cta-main {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  background: var(--coral);
  color: var(--white);
  padding: 18px 32px;
  border-radius: var(--radius-sm);
  text-align: center;
  border: 2px solid var(--coral);
  transition: all 0.25s;
  display: block;
}
.btn-cta-main:hover { background: transparent; color: var(--coral); }
.btn-cta-ghost {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  background: transparent;
  color: rgba(255,255,255,0.75);
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  text-align: center;
  border: 2px solid rgba(255,255,255,0.2);
  transition: all 0.25s;
  display: block;
}
.btn-cta-ghost:hover { border-color: rgba(255,255,255,0.6); color: var(--white); }

/* ── FOOTER ── */
footer {
  background: var(--dark);
  padding: 64px 48px 40px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 52px;
}
.footer-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 24px;
  color: var(--white);
  letter-spacing: -0.5px;
  margin-bottom: 14px;
  display: block;
}
.footer-logo span { color: var(--coral); }
.footer-tagline {
  font-size: 14px;
  font-weight: 300;
  color: rgba(255,255,255,0.38);
  line-height: 1.6;
  margin-bottom: 22px;
}
.footer-phone {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  color: var(--coral);
}
.footer-col-title {
  font-family: var(--font-head);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  margin-bottom: 18px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--white); }
.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.07);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.22); }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { font-size: 12px; color: rgba(255,255,255,0.22); transition: color 0.2s; }
.footer-legal a:hover { color: rgba(255,255,255,0.6); }

/* ── REVEAL ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }
.reveal-delay-6 { transition-delay: 0.48s; }


/* ═══════════════════════════════════════════
   RESPONSIVE - TABLETTE (≤ 1024px)
═══════════════════════════════════════════ */
@media (max-width: 1024px) {

  /* Nav */
  nav { padding: 0 32px; }

  /* Sections */
  .section-inner { padding: 72px 32px; }
  .page-hero     { padding: 140px 32px 64px; }

  /* Footer */
  footer { padding: 52px 32px 36px; }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  /* CTA box */
  .cta-box {
    padding: 52px 48px;
    gap: 40px;
  }

  /* ── index.html ── */
  /* Hero : empilé verticalement */
  #hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-right { display: none; } /* masqué sur tablette, visible desktop */
  .hero-left  { padding: 60px 32px 52px; }
  .hero-stats { gap: 32px; }

  /* Services grid : 2 colonnes */
  .services-header { grid-template-columns: 1fr; gap: 20px; }
  .services-grid   { grid-template-columns: 1fr 1fr; }

  /* Audiences 2 colonnes */
  .audiences-grid { grid-template-columns: 1fr 1fr; }

  /* Modalités 2 colonnes */
  .modalites-grid { grid-template-columns: 1fr 1fr; }

  /* ── nos-services.html ── */
  .service-block {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 56px 0;
  }
  .sb-left { position: static; }
  .sb-features { grid-template-columns: 1fr 1fr; }
  .opco-block { grid-template-columns: 1fr; gap: 28px; }
  .opco-badges { justify-content: flex-start; }

  /* ── nos-experts.html ── */
  .team-grid    { grid-template-columns: 1fr; }
  .values-grid  { grid-template-columns: 1fr 1fr; }

  /* ── nos-references.html ── */
  .refs-grid    { grid-template-columns: 1fr 1fr; }
  .stats-inner  { grid-template-columns: 1fr 1fr; gap: 32px; }

  /* ── contact.html ── */
  .contact-layout { grid-template-columns: 1fr; gap: 48px; }
  .contact-info   { position: static; }
  .alts-grid      { grid-template-columns: 1fr 1fr; }
}


/* ═══════════════════════════════════════════
   RESPONSIVE - MOBILE (≤ 768px)
═══════════════════════════════════════════ */
@media (max-width: 768px) {

  /* ── Nav mobile avec hamburger ── */
  nav { padding: 0 20px; height: 64px; }

  .nav-links {
    display: none;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: rgba(245,243,239,0.98);
    backdrop-filter: blur(14px);
    flex-direction: column;
    padding: 28px 24px 36px;
    gap: 6px;
    border-bottom: 1px solid rgba(75,99,93,0.12);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    z-index: 199;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    font-size: 14px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    width: 100%;
  }
  .nav-links a::after { display: none; }
  .nav-links a:hover,
  .nav-links a.active { background: var(--off); color: var(--coral); }
  .nav-cta {
    margin-top: 8px;
    text-align: center !important;
    justify-content: center;
  }

  /* Hamburger button */
  #hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px; height: 36px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
  }
  #hamburger span {
    display: block;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.25s ease;
  }
  #hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  #hamburger.active span:nth-child(2) { opacity: 0; }
  #hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* Sections */
  .section-inner { padding: 56px 20px; }
  .page-hero     { padding: 110px 20px 52px; }
  footer         { padding: 44px 20px 32px; }

  /* Footer colonne unique */
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
  .footer-legal  { flex-wrap: wrap; gap: 16px; }

  /* CTA box empilé */
  .cta-box {
    grid-template-columns: 1fr;
    padding: 40px 28px;
    gap: 32px;
  }
  .cta-title { font-size: 26px; }
  .cta-actions { min-width: 0; width: 100%; }

  /* ── index.html ── */
  .hero-left  { padding: 48px 20px 44px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }

  /* Services 1 colonne */
  .services-grid   { grid-template-columns: 1fr; }
  .services-header { grid-template-columns: 1fr; gap: 16px; }

  /* Audiences 1 colonne */
  .audiences-grid { grid-template-columns: 1fr; }

  /* Modalités 1 colonne */
  .modalites-grid { grid-template-columns: 1fr; }

  /* ── nos-services.html ── */
  .sb-features { grid-template-columns: 1fr; }

  /* ── nos-experts.html ── */
  .values-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .join-box    { padding: 40px 28px; }

  /* ── nos-references.html ── */
  .refs-grid   { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: 1fr 1fr; gap: 24px; }
  .stat-block .big { font-size: 40px; }
  .refs-controls { gap: 8px; }

  /* ── contact.html ── */
  .form-grid  { grid-template-columns: 1fr; }
  .form-group.full { grid-column: 1; }
  .contact-form-wrap { padding: 32px 24px; }
  .alts-grid  { grid-template-columns: 1fr; }
}


/* ═══════════════════════════════════════════
   RESPONSIVE - PETIT MOBILE (≤ 480px)
═══════════════════════════════════════════ */
@media (max-width: 480px) {
  .section-inner { padding: 44px 16px; }
  .page-hero     { padding: 100px 16px 44px; }

  .hero-actions  { flex-direction: column; align-items: flex-start; }
  .btn-primary   { width: 100%; text-align: center; }

  .values-grid   { grid-template-columns: 1fr; }
  .stats-inner   { grid-template-columns: 1fr 1fr; }

  .cta-box { padding: 32px 20px; }
  .cta-title { font-size: 22px; }
}