/* ============================================
   CYBER TYZEF — DESIGN SYSTEM PARTAGÉ
   Variables, base, header, footer, boutons,
   section-head — réutilisés sur toutes les pages
   ============================================ */

:root {
  --navy: #0F2438;
  --navy-light: #1B3A57;
  --paper: #F7F5F0;
  --paper-warm: #F1ECE3;
  --coral: #FF6B4A;
  --coral-dark: #D85A30;
  --slate: #5C6B73;
  --beacon: #2D8C7F;
  --beacon-light: #E1F5EE;
  --line: rgba(15, 36, 56, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--navy);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.display {
  font-family: 'Fraunces', serif;
  font-optical-sizing: auto;
}

.mono {
  font-family: 'IBM Plex Mono', monospace;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== HEADER ===== */
header {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.logo-mark {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text .name {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 19px;
  letter-spacing: 0.02em;
  color: var(--navy);
}

.logo-text .tagline {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
  margin-top: 2px;
}

nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

nav a {
  color: var(--navy);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  transition: color 0.15s ease;
}

nav a:hover { color: var(--coral-dark); }

nav a.active { color: var(--coral-dark); }

.nav-cta {
  background: var(--navy);
  color: var(--paper) !important;
  padding: 10px 20px;
  border-radius: 2px;
  font-size: 13.5px;
}

.nav-cta:hover { background: var(--navy-light); color: var(--paper) !important; }

/* ===== BUTTONS ===== */
.btn-primary {
  background: var(--coral);
  color: var(--navy);
  font-weight: 600;
  font-size: 15px;
  padding: 16px 28px;
  border-radius: 2px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: transform 0.15s ease, background 0.15s ease;
  font-family: 'Inter', sans-serif;
}

.btn-primary:hover { background: #ff8166; transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-ghost {
  color: var(--paper);
  font-size: 14.5px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(247,245,240,0.35);
  padding-bottom: 3px;
  transition: border-color 0.15s ease;
  background: none;
  border-left: none;
  border-right: none;
  border-top: none;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
}

.btn-ghost:hover { border-color: var(--coral); }

.btn-ghost-dark {
  color: var(--navy);
  font-size: 14.5px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: border-color 0.15s ease, color 0.15s ease;
  background: none;
  border-left: none;
  border-right: none;
  border-top: none;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
}

.btn-ghost-dark:hover { border-color: var(--coral); color: var(--coral-dark); }

.btn-dark {
  background: var(--navy);
  color: var(--paper);
  font-weight: 600;
  font-size: 15px;
  padding: 16px 32px;
  border-radius: 2px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Inter', sans-serif;
  transition: background 0.15s ease;
}

.btn-dark:hover { background: var(--navy-light); }

.btn-outline {
  background: transparent;
  color: var(--navy);
  font-weight: 600;
  font-size: 14.5px;
  padding: 14px 26px;
  border-radius: 2px;
  border: 1px solid var(--navy);
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Inter', sans-serif;
  transition: background 0.15s ease, color 0.15s ease;
}

.btn-outline:hover { background: var(--navy); color: var(--paper); }

/* ===== SECTION GENERAL ===== */
section { padding: 96px 0; }

.section-head {
  max-width: 620px;
  margin-bottom: 56px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--coral-dark);
  margin-bottom: 16px;
  display: block;
}

.section-head h2 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 36px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-head p {
  color: var(--slate);
  font-size: 16px;
}

/* ===== PAGE HERO (sous-pages) ===== */
/* page-hero styles moved to bottom with cyber texture */

/* ===== CTA BAND ===== */
.cta-band {
  background: var(--coral);
  color: var(--navy);
  text-align: center;
}

.cta-band h2 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 38px;
  margin-bottom: 16px;
}

.cta-band p {
  font-size: 16px;
  margin-bottom: 32px;
  color: rgba(15,36,56,0.7);
}

/* ===== FOOTER ===== */
footer {
  background: var(--navy);
  color: rgba(247,245,240,0.6);
  padding: 56px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(247,245,240,0.1);
}

.footer-grid h4 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
  margin-bottom: 18px;
}

.footer-grid a {
  display: block;
  color: rgba(247,245,240,0.6);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 10px;
  transition: color 0.15s ease;
}

.footer-grid a:hover { color: var(--coral); }

.footer-grid p {
  font-size: 14px;
  color: rgba(247,245,240,0.55);
  max-width: 320px;
  margin-bottom: 16px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-size: 12.5px;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom a {
  color: rgba(247,245,240,0.5);
  text-decoration: none;
  margin-left: 24px;
}

.footer-bottom a:hover { color: var(--coral); }

/* ===== RESPONSIVE (commun) ===== */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  nav { gap: 18px; }
  nav a:not(.nav-cta) { display: none; }
  .section-head h2 { font-size: 28px; }
  .page-hero h1 { font-size: 32px; }
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--navy);
  border-top: 1px solid rgba(247,245,240,0.12);
  padding: 20px 0;
  transform: translateY(0);
  transition: transform 0.3s ease;
}

.cookie-banner.hidden {
  transform: translateY(110%);
}

.cookie-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  font-size: 13.5px;
  color: rgba(247,245,240,0.7);
  min-width: 260px;
}

.cookie-text a {
  color: var(--coral);
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.cookie-btn-accept {
  background: var(--coral);
  color: var(--navy);
  font-weight: 600;
  font-size: 13.5px;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  border-radius: 2px;
}

.cookie-btn-refuse {
  background: transparent;
  color: rgba(247,245,240,0.6);
  font-size: 13.5px;
  padding: 10px 16px;
  border: 1px solid rgba(247,245,240,0.2);
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  border-radius: 2px;
}

.cookie-btn-refuse:hover { border-color: rgba(247,245,240,0.4); }

@media (max-width: 900px) {
  .cookie-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
}

/* ===== PAGE HERO WITH CYBER TEXTURE ===== */
.page-hero {
  background: var(--navy);
  color: var(--paper);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(247,245,240,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247,245,240,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.page-hero::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  border: 1px solid rgba(255,107,74,0.08);
  pointer-events: none;
}

.page-hero .wrap { position: relative; z-index: 1; }

.page-hero .section-eyebrow { color: var(--coral); }

.page-hero h1 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 42px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 16px;
  color: rgba(247,245,240,0.7);
  max-width: 600px;
}

/* Decorative node cluster top-right of page-hero */
.page-hero .hero-deco {
  position: absolute;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.35;
  z-index: 0;
}

@media (max-width: 900px) {
  .page-hero .hero-deco { display: none; }
  .page-hero h1 { font-size: 32px; }
}

/* ============================================
   MENU MOBILE — Overlay plein écran
   ============================================ */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 200;
  position: relative;
}

.nav-toggle .bar {
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.65,0,0.35,1), opacity 0.2s ease, background 0.3s ease;
}

.nav-toggle .bar:nth-child(1) { transform: translateY(-7px); }
.nav-toggle .bar:nth-child(2) { transform: translateY(0); }
.nav-toggle .bar:nth-child(3) { transform: translateY(7px); }

.nav-toggle[aria-expanded="true"] .bar { background: var(--paper); }
.nav-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(0) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(0) rotate(-45deg); }

.nav-overlay {
  position: fixed;
  inset: 0;
  background: var(--navy);
  z-index: 150;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.22,1,0.36,1), visibility 0s linear 0.35s;
}

.nav-overlay.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.22,1,0.36,1), visibility 0s linear 0s;
}

body.nav-locked { overflow: hidden; }

.nav-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(247,245,240,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247,245,240,0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.nav-overlay a {
  position: relative;
  color: var(--paper);
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 30px;
  text-decoration: none;
  padding: 10px 0;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.4s ease, transform 0.4s ease, color 0.2s ease;
}

.nav-overlay.open a { opacity: 1; transform: translateY(0); }

.nav-overlay.open a:nth-child(1) { transition-delay: 0.08s; }
.nav-overlay.open a:nth-child(2) { transition-delay: 0.13s; }
.nav-overlay.open a:nth-child(3) { transition-delay: 0.18s; }
.nav-overlay.open a:nth-child(4) { transition-delay: 0.23s; }
.nav-overlay.open a:nth-child(5) { transition-delay: 0.28s; }
.nav-overlay.open a:nth-child(6) { transition-delay: 0.33s; }

.nav-overlay a:hover { color: var(--coral); }

.nav-overlay .nav-overlay-cta {
  margin-top: 20px;
  background: var(--coral);
  color: var(--navy) !important;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 2px;
}

.nav-overlay-foot {
  position: absolute;
  bottom: 40px;
  left: 0;
  right: 0;
  text-align: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: rgba(247,245,240,0.35);
  opacity: 0;
  transition: opacity 0.4s ease 0.35s;
}

.nav-overlay.open .nav-overlay-foot { opacity: 1; }

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  header nav { display: none; }
}

/* ============================================
   ANIMATIONS AU SCROLL — reveal sobre
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1), transform 0.7s cubic-bezier(0.22,1,0.36,1);
  }

  .reveal.in-view {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal-group .reveal:nth-child(1) { transition-delay: 0.04s; }
  .reveal-group .reveal:nth-child(2) { transition-delay: 0.1s; }
  .reveal-group .reveal:nth-child(3) { transition-delay: 0.16s; }
  .reveal-group .reveal:nth-child(4) { transition-delay: 0.22s; }
}

/* ============================================
   MICRO-INTERACTIONS
   ============================================ */
.service-card,
.diag-card,
.pricing-card,
.blog-card {
  transition: transform 0.25s cubic-bezier(0.22,1,0.36,1), box-shadow 0.25s ease, border-color 0.25s ease;
}

.service-card:hover,
.diag-card:hover,
.pricing-card:hover,
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(15,36,56,0.1);
}

.badge {
  transition: transform 0.2s ease, background 0.2s ease;
}

.badge:hover {
  transform: translateY(-2px);
}

/* Soulignement animé pour les liens texte */
.service-link,
.footer-grid a {
  position: relative;
}

a.btn-primary span,
a.btn-dark span,
a.btn-outline span,
.service-link span {
  display: inline-block;
  transition: transform 0.25s cubic-bezier(0.34,1.56,0.64,1);
}

a.btn-primary:hover span,
a.btn-dark:hover span,
a.btn-outline:hover span,
.service-link:hover span {
  transform: translateX(4px);
}

/* Header : ombre légère qui apparaît au scroll */
header.scrolled {
  box-shadow: 0 2px 16px rgba(15,36,56,0.06);
}

/* Logo : légère rotation au survol, sobre */
.logo-mark {
  transition: transform 0.4s cubic-bezier(0.22,1,0.36,1);
}

.logo-group:hover .logo-mark {
  transform: rotate(-6deg);
}

/* ============================================
   PRIX ANIMÉS (page Tarifs)
   ============================================ */
.price-num {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}