/* ============================================================
   NAXIO INFORMATIQUE — Design System & Stylesheet
   ============================================================ */

/* ---- 1. CSS Custom Properties (Design Tokens) ---- */
:root {
  /* Colors */
  --color-primary:       #1e40af;
  --color-primary-dark:  #1e3a8a;
  --color-primary-light: #3b82f6;
  --color-accent:        #0ea5e9;
  --color-accent-light:  #e0f2fe;

  --color-success:       #10b981;
  --color-warning:       #f59e0b;
  --color-error:         #ef4444;

  --color-text:          #0f172a;
  --color-text-muted:    #64748b;
  --color-text-light:    #94a3b8;

  --color-bg:            #ffffff;
  --color-bg-subtle:     #f8fafc;
  --color-bg-muted:      #f1f5f9;
  --color-border:        #e2e8f0;
  --color-border-light:  #f1f5f9;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
  --gradient-hero:    linear-gradient(160deg, #0f172a 0%, #1e3a8a 40%, #1e40af 100%);
  --gradient-subtle:  linear-gradient(135deg, #f0f7ff 0%, #e8f2ff 100%);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-size-xs:   0.75rem;
  --font-size-sm:   0.875rem;
  --font-size-base: 1rem;
  --font-size-lg:   1.125rem;
  --font-size-xl:   1.25rem;
  --font-size-2xl:  1.5rem;
  --font-size-3xl:  1.875rem;
  --font-size-4xl:  2.25rem;
  --font-size-5xl:  3rem;
  --font-size-6xl:  3.75rem;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Borders */
  --radius-sm:   0.375rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-2xl:  1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md:  0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:  0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl:  0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-card: 0 4px 24px rgb(30 64 175 / 0.13);
  --shadow-card-hover: 0 12px 40px rgb(30 64 175 / 0.24);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Layout */
  --container-max: 1200px;
  --container-pad: clamp(1rem, 4vw, 2rem);
  --section-pad:   clamp(4rem, 8vw, 7rem);
}

/* ---- 2. Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul, ol { list-style: none; }

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Focus styles accessible */
:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---- 3. Layout Utilities ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section-padding {
  padding-block: var(--section-pad);
}

/* ---- 4. Typography ---- */
h1, h2, h3, h4, h5 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

h1 { font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl)); }
h2 { font-size: clamp(var(--font-size-2xl), 3.5vw, var(--font-size-4xl)); }
h3 { font-size: clamp(var(--font-size-lg), 2.5vw, var(--font-size-2xl)); }

p { color: var(--color-text-muted); }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.section-tag::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary-light);
  border-radius: var(--radius-full);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: clamp(var(--space-12), 6vw, var(--space-20));
}

.section-header h2 { margin-bottom: var(--space-4); }

.section-sub {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ---- 5. Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  outline: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.22);
}

.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18); }

.btn-ghost {
  background: transparent;
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
}

/* ---- 6. HEADER ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: var(--space-4);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border), var(--shadow-sm);
  padding-block: var(--space-3);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: inherit;
}

.logo-icon { flex-shrink: 0; }

.logo-text {
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: #fff;
  transition: color var(--transition-base);
  letter-spacing: -0.01em;
}

.logo-text strong { font-weight: 800; }

.site-header.scrolled .logo-text { color: var(--color-text); }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.main-nav a {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.main-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.main-nav .nav-cta {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: var(--space-2) var(--space-5);
}

.main-nav .nav-cta:hover {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.site-header.scrolled .main-nav a { color: var(--color-text-muted); }
.site-header.scrolled .main-nav a:hover { color: var(--color-text); background: var(--color-bg-muted); }
.site-header.scrolled .main-nav .nav-cta {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
}
.site-header.scrolled .main-nav .nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Mobile toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.site-header.scrolled .menu-toggle span { background: var(--color-text); }

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: var(--color-text);
  padding: var(--space-24) var(--container-pad) var(--space-12);
  flex-direction: column;
  justify-content: center;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

.nav-mobile.open {
  transform: translateX(0);
}

.nav-mobile ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.nav-mobile a {
  display: block;
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.nav-mobile a:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}

/* ---- 7. HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 80% 60% at 60% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 20%, rgba(30, 64, 175, 0.2) 0%, transparent 50%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.025'%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--space-24) + var(--space-8));
  padding-bottom: var(--space-32);
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: #93c5fd;
  margin-bottom: var(--space-6);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: var(--radius-full);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25); }
  50%       { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.1); }
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: var(--space-6);
  letter-spacing: -0.03em;
}

.highlight {
  background: linear-gradient(90deg, #60a5fa, #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(var(--font-size-base), 2vw, var(--font-size-xl));
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.65;
  margin-bottom: var(--space-8);
  max-width: 580px;
}

.hero-pillars {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.hero-pillars li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
}

.pillar-icon {
  color: #10b981;
  font-weight: 700;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

.hero-stats {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.stat { text-align: left; }

.stat-num {
  display: block;
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.82);
  margin-top: var(--space-1);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.35);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
}

.hero-scroll-indicator span {
  display: block;
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.4));
  margin-inline: auto;
  animation: scroll-fade 2s infinite;
}

@keyframes scroll-fade {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(1); transform-origin: bottom; }
}

/* ---- 8. SERVICES ---- */
.services {
  background: #eef3fb;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(59, 130, 246, 0.2);
}

.service-card--featured {
  border-color: var(--color-primary-light);
  background: linear-gradient(to bottom right, #fff 60%, #f0f7ff);
}

.service-card-inner {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  height: 100%;
}

.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xl);
  flex-shrink: 0;
  align-self: center;
}

.service-icon--web  { background: #eff6ff; color: #2563eb; }
.service-icon--dev  { background: #f0fdf4; color: #059669; }
.service-icon--net  { background: #fef3c7; color: #d97706; }
.service-icon--maint { background: #fdf2f8; color: #db2777; }

.service-content { display: flex; flex-direction: column; gap: var(--space-4); flex: 1; }

.service-content h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
}

.service-problem, .service-solution {
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--color-text-muted);
}

.service-problem strong { color: #dc2626; }
.service-solution strong { color: var(--color-primary); }

.service-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-benefits li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.service-benefits li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary-light);
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
  transition: gap var(--transition-fast);
}

.service-link:hover { gap: var(--space-3); }

.badge-popular {
  display: inline-block;
  padding: 3px 10px;
  background: linear-gradient(90deg, #f59e0b, #fbbf24);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
}

/* ---- 9. ABOUT ---- */
.about {
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-12), 6vw, var(--space-20));
  align-items: center;
}

.about-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-4);
}

.about-card-main {
  grid-column: 1;
  grid-row: 1 / 3;
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  color: #fff;
  display: flex;
  flex-direction: column;
}

.about-photo {
  width: 100%;
  flex: 1;
  min-height: 0;
  object-fit: cover;
  object-position: center 12%;
  display: block;
}

.about-photo-caption {
  padding: var(--space-5) var(--space-6);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.about-card-name {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: #fff;
}

.about-card-desc {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
}

.about-card-stat {
  grid-column: 2;
  grid-row: 1;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.about-stat-big {
  display: block;
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: -0.04em;
}

.about-stat-unit {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.about-stat-label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: var(--space-2);
}

.about-card-trust {
  grid-column: 2;
  grid-row: 2;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  justify-content: center;
  box-shadow: var(--shadow-card);
}

.trust-dots { display: flex; gap: var(--space-1); }

.trust-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-border);
}

.trust-dot.active { background: #f59e0b; }

.about-card-trust p {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

/* About text */
.about-text .section-tag { display: block; margin-bottom: var(--space-4); }

.about-text h2 { margin-bottom: var(--space-6); }

.about-lead {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.about-text p { margin-bottom: var(--space-4); }

.about-values {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.about-values li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.value-icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.about-values strong {
  display: block;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.about-values span {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ---- 10. PROCESS ---- */
.process {
  background: #eef3fb;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
  counter-reset: steps;
}

.process-step {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  position: relative;
  transition: all var(--transition-base);
}

.process-step:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(59, 130, 246, 0.2);
}

.step-num {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-border);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-5);
  font-variant-numeric: tabular-nums;
}

.step-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.step-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-4);
}

.step-duration {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background: var(--color-accent-light);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
}

.process-cta {
  text-align: center;
  margin-top: var(--space-12);
}

/* ---- 11. TARIFS ---- */
.tarifs {
  background: var(--color-bg);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.pricing-card {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(59, 130, 246, 0.2);
}

.pricing-card--featured {
  border-color: var(--color-primary-light);
  background: linear-gradient(to bottom right, #fff 60%, #f0f7ff);
  position: relative;
}

.pricing-card--featured::before {
  content: 'Le plus demandé';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xl);
  flex-shrink: 0;
  align-self: center;
}

.pricing-icon--web   { background: #eff6ff; color: #2563eb; }
.pricing-icon--dev   { background: #f0fdf4; color: #059669; }
.pricing-icon--maint { background: #fdf2f8; color: #db2777; }

.pricing-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
}

.pricing-price {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.price-from {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.price-amount {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.04em;
  line-height: 1;
}

.price-note {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.pricing-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.pricing-cta {
  width: 100%;
  justify-content: center;
  margin-top: var(--space-2);
}

.tarifs-note {
  text-align: center;
  margin-top: var(--space-10);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.tarifs-note a {
  color: var(--color-primary-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---- 12. TRUST BAND ---- */
.trust-band {
  background: var(--gradient-primary);
  padding-block: var(--space-8);
}

.trust-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-8) var(--space-12);
}

.trust-items li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.9);
}

.trust-icon {
  color: rgba(255,255,255,0.7);
  display: flex;
}

/* ---- 13. CONTACT ---- */
.contact {
  background: var(--color-bg-subtle);
}

.contact-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: clamp(var(--space-12), 6vw, var(--space-20));
  align-items: start;
}

.contact-info .section-tag { display: block; margin-bottom: var(--space-4); }

.contact-info h2 {
  margin-bottom: var(--space-5);
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
}

.contact-lead {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.contact-channels li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-base);
  color: var(--color-text);
}

.channel-icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-channels a:hover { color: var(--color-primary-light); }

.contact-hours h3 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.contact-hours p {
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

/* Contact form */
.contact-form-wrapper {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* Honeypot */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
  tab-index: -1;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.required {
  color: var(--color-error);
  margin-left: 2px;
}

.optional {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-bg);
  transition: all var(--transition-fast);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group input.valid,
.form-group select.valid,
.form-group textarea.valid {
  border-color: var(--color-success);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.field-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  font-weight: 500;
  min-height: 1em;
}

/* Checkbox consent */
.form-consent { display: flex; flex-direction: column; gap: var(--space-1); }

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-custom {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  transition: all var(--transition-fast);
  margin-top: 1px;
}

.checkbox-label input:checked ~ .checkbox-custom {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
}

.checkbox-label input:checked ~ .checkbox-custom::after {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
  margin-top: -2px;
}

.link-subtle {
  color: var(--color-primary-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Submit button */
.btn-submit {
  width: 100%;
  padding: 1rem;
  font-size: var(--font-size-base);
  position: relative;
}

.btn-loader {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn-submit.loading .btn-text { opacity: 0.6; }
.btn-submit.loading .btn-loader { display: block; }

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Form success */
.form-success {
  text-align: center;
  padding: var(--space-12) var(--space-8);
}

.form-success[hidden] { display: none; }

.success-icon {
  margin-inline: auto;
  width: 80px;
  height: 80px;
  background: #f0fdf4;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-success);
  margin-bottom: var(--space-6);
}

.form-success h3 {
  font-size: var(--font-size-2xl);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.form-success p {
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
}

/* ---- 14. FOOTER ---- */
.site-footer {
  background: var(--color-text);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo-text { color: #fff; }

.footer-brand p {
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  max-width: 280px;
}

.footer-nav h3, .footer-contact h3 {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-5);
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}

.footer-nav a:hover { color: #fff; }

.footer-contact p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-2);
}

.footer-contact a { color: rgba(255,255,255,0.6); }
.footer-contact a:hover { color: #fff; }

.footer-contact .btn-primary {
  margin-top: var(--space-4);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-8);
}

.footer-bottom p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.footer-legal a:hover { color: rgba(255,255,255,0.8); }

/* ---- 15. ANIMATIONS (scroll reveal) ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }
[data-reveal-delay="4"] { transition-delay: 0.4s; }

/* ---- 16. RESPONSIVE ---- */
@media (max-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-visual {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --section-pad: 3.5rem;
  }

  /* Header mobile */
  .main-nav { display: none; }

  .menu-toggle {
    display: flex;
  }

  .nav-mobile {
    display: flex;
  }

  /* Hero */
  .hero-stats {
    gap: var(--space-6);
  }

  .stat-divider { display: none; }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* Process */
  .process-steps {
    grid-template-columns: 1fr;
  }

  /* Tarifs */
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  /* Trust */
  .trust-items {
    gap: var(--space-5);
    justify-content: flex-start;
  }

  /* Form */
  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form-wrapper {
    padding: var(--space-6);
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-brand { grid-column: auto; }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-ctas {
    flex-direction: column;
  }

  .hero-ctas .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-pillars {
    flex-direction: column;
    gap: var(--space-3);
  }
}

/* ---- 17. Print ---- */
@media print {
  .site-header, .hero-scroll-indicator, .menu-toggle, .nav-mobile { display: none; }
  body { font-size: 12pt; }
}

/* ---- 18. Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  html { scroll-behavior: auto; }
}