/* =========================================================
   NOVA GRAPH — Feuille de style principale
   Auteur : Mégane / Nova Graph
   Structure :
   1. Variables & reset
   2. Typographie
   3. Layout & utilitaires
   4. Composants (boutons, cartes, formulaires)
   5. Navigation
   6. Hero & sections
   7. Footer
   8. Animations
   9. Dark mode
  10. Responsive
   ========================================================= */

/* ---------- 1. VARIABLES & RESET ---------- */
:root {
  /* Couleurs de marque */
  --violet: #6B3FA0;
  --magenta: #E63888;
  --corail: #F26B4E;
  --orange: #F58A3C;
  --encre: #1A1A1A;
  --creme: #FFF8F0;
  --blanc: #FFFFFF;
  --gris-clair: #F1ECE4;
  --gris-moyen: #8A8A8A;

  /* Sémantique */
  --fond: var(--creme);
  --fond-alt: var(--blanc);
  --texte: var(--encre);
  --texte-doux: #4A4A4A;
  --bordure: rgba(26, 26, 26, 0.08);

  /* Dégradés signature */
  --gradient-nova: linear-gradient(135deg, #6B3FA0 0%, #E63888 45%, #F26B4E 75%, #F58A3C 100%);
  --gradient-nova-soft: linear-gradient(135deg, rgba(107, 63, 160, 0.1) 0%, rgba(230, 56, 136, 0.1) 50%, rgba(245, 138, 60, 0.1) 100%);

  /* Typographie */
  --font-display: 'Fredoka', 'Sniglet', system-ui, sans-serif;
  --font-body: 'Inter', 'Manrope', system-ui, -apple-system, sans-serif;

  /* Tailles fluides (mobile-first) */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: clamp(1.5rem, 3vw, 2rem);
  --fs-2xl: clamp(2rem, 5vw, 3rem);
  --fs-3xl: clamp(2.5rem, 7vw, 4.5rem);
  --fs-hero: clamp(3rem, 10vw, 6.5rem);

  /* Espacements */
  --sp-xs: 0.5rem;
  --sp-sm: 1rem;
  --sp-md: 1.5rem;
  --sp-lg: 2.5rem;
  --sp-xl: 4rem;
  --sp-2xl: 6rem;

  /* Rayons */
  --rad-sm: 8px;
  --rad-md: 16px;
  --rad-lg: 24px;
  --rad-xl: 32px;
  --rad-full: 999px;

  /* Ombres */
  --shadow-sm: 0 2px 8px rgba(26, 26, 26, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 26, 26, 0.08);
  --shadow-lg: 0 20px 50px rgba(107, 63, 160, 0.15);
  --shadow-glow: 0 10px 40px rgba(230, 56, 136, 0.25);

  /* Transitions */
  --t-fast: 180ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 600ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Conteneur */
  --max-width: 1280px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--texte);
  background: var(--fond);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--t-fast);
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

input, textarea, select {
  font: inherit;
  color: inherit;
}

::selection {
  background: var(--magenta);
  color: var(--blanc);
}

/* Accessibilité focus */
:focus-visible {
  outline: 3px solid var(--magenta);
  outline-offset: 3px;
  border-radius: var(--rad-sm);
}

/* Skip link accessibilité */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--encre);
  color: var(--creme);
  padding: var(--sp-sm) var(--sp-md);
  z-index: 10000;
  border-radius: 0 0 var(--rad-md) 0;
}
.skip-link:focus {
  left: 0;
}

/* ---------- 2. TYPOGRAPHIE ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--texte);
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }

p {
  color: var(--texte-doux);
  max-width: 65ch;
}

.text-gradient {
  background: var(--gradient-nova);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.tagline {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--magenta);
  margin-bottom: var(--sp-sm);
}

.section-title {
  font-size: var(--fs-3xl);
  margin-bottom: var(--sp-md);
}

.section-intro {
  font-size: var(--fs-md);
  margin-bottom: var(--sp-lg);
  max-width: 55ch;
}

/* ---------- 3. LAYOUT & UTILITAIRES ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--sp-md);
}

section {
  padding-block: var(--sp-xl);
  position: relative;
}

.section-alt {
  background: var(--fond-alt);
}

.grid {
  display: grid;
  gap: var(--sp-md);
}

.flex {
  display: flex;
  gap: var(--sp-md);
}

/* Blobs décoratifs */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
  animation: blob-float 20s ease-in-out infinite;
}
.blob-1 {
  width: 400px; height: 400px;
  background: var(--violet);
  top: -150px; left: -100px;
}
.blob-2 {
  width: 350px; height: 350px;
  background: var(--magenta);
  top: 40%; right: -120px;
  animation-delay: -7s;
}
.blob-3 {
  width: 300px; height: 300px;
  background: var(--orange);
  bottom: -100px; left: 30%;
  animation-delay: -14s;
}

@keyframes blob-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.1); }
  66% { transform: translate(-30px, 40px) scale(0.95); }
}

/* ---------- 4. COMPOSANTS ---------- */

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-xs);
  padding: 0.9em 2em;
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 500;
  border-radius: var(--rad-full);
  cursor: pointer;
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
  text-align: center;
  line-height: 1;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-nova);
  color: var(--blanc);
  box-shadow: var(--shadow-glow);
  background-size: 200% 200%;
  background-position: 0% 50%;
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background-position: 100% 50%;
  transform: translateY(-3px);
  box-shadow: 0 15px 45px rgba(230, 56, 136, 0.4);
}
.btn-primary:active {
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--encre);
  border: 2px solid var(--encre);
}
.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: var(--encre);
  color: var(--creme);
  transform: translateY(-3px);
}

.btn-ghost {
  background: transparent;
  color: var(--magenta);
  padding: 0.5em 0;
  position: relative;
}
.btn-ghost::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-nova);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base);
}
.btn-ghost:hover::after,
.btn-ghost:focus-visible::after {
  transform: scaleX(1);
}

/* Cartes */
.card {
  background: var(--fond-alt);
  border-radius: var(--rad-lg);
  padding: var(--sp-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--t-base), box-shadow var(--t-base);
  border: 1px solid var(--bordure);
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-nova);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base);
}
.card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--rad-md);
  background: var(--gradient-nova-soft);
  font-size: 1.75rem;
  margin-bottom: var(--sp-md);
}

.card-title {
  font-size: var(--fs-xl);
  margin-bottom: var(--sp-sm);
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.3em 0.9em;
  background: var(--gradient-nova-soft);
  color: var(--violet);
  border-radius: var(--rad-full);
  font-size: var(--fs-sm);
  font-weight: 500;
  font-family: var(--font-display);
}

/* ---------- 5. NAVIGATION ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 248, 240, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-base), background var(--t-base);
}
.header.scrolled {
  border-bottom-color: var(--bordure);
  background: rgba(255, 248, 240, 0.95);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--sp-sm);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5em;
  letter-spacing: -0.02em;
}
.nav-logo-mark {
  display: inline-block;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-nova);
  position: relative;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(230, 56, 136, 0.3);
}
.nav-logo-mark::after {
  content: '';
  position: absolute;
  inset: 30%;
  border-radius: 50%;
  background: var(--creme);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}

.nav-links {
  display: none;
  gap: var(--sp-lg);
}
.nav-links a {
  font-weight: 500;
  position: relative;
  padding-block: 0.25em;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: var(--gradient-nova);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--t-base);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}
.nav-links a.active {
  color: var(--magenta);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

/* Toggle dark mode */
.theme-toggle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--fond-alt);
  border: 1px solid var(--bordure);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--t-base), background var(--t-base);
}
.theme-toggle:hover {
  transform: rotate(15deg);
  background: var(--gradient-nova-soft);
}
.theme-toggle svg {
  width: 20px;
  height: 20px;
}
.theme-toggle .icon-moon { display: none; }
body.dark .theme-toggle .icon-sun { display: none; }
body.dark .theme-toggle .icon-moon { display: block; }

/* Burger mobile */
.nav-burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--fond-alt);
  border: 1px solid var(--bordure);
  padding: 0;
  align-items: center;
}
.nav-burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--encre);
  border-radius: 2px;
  transition: transform var(--t-base), opacity var(--t-base);
}
.nav-burger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-burger.open span:nth-child(2) {
  opacity: 0;
}
.nav-burger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Menu mobile */
.nav-mobile {
  position: fixed;
  inset: 70px 0 0 0;
  background: var(--fond);
  padding: var(--sp-xl) var(--sp-md);
  transform: translateX(100%);
  transition: transform var(--t-slow);
  z-index: 999;
  overflow-y: auto;
}
.nav-mobile.open {
  transform: translateX(0);
}
.nav-mobile ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
}
.nav-mobile a {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 500;
}
.nav-mobile .btn {
  margin-top: var(--sp-lg);
  align-self: flex-start;
}

/* ---------- 6. HERO & SECTIONS ---------- */
.hero {
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
  padding-block: var(--sp-xl);
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-title {
  font-size: var(--fs-hero);
  line-height: 0.95;
  margin-bottom: var(--sp-md);
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: var(--fs-lg);
  margin-bottom: var(--sp-lg);
  max-width: 55ch;
  min-height: 3em;
}
.typewriter-cursor {
  display: inline-block;
  width: 3px;
  height: 1em;
  background: var(--magenta);
  vertical-align: text-bottom;
  animation: blink 1s infinite;
  margin-left: 4px;
}
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-cta {
  display: flex;
  gap: var(--sp-sm);
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: var(--sp-lg);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  color: var(--gris-moyen);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-xs);
  z-index: 2;
}
.hero-scroll::after {
  content: '';
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--magenta), transparent);
  animation: scroll-bounce 2s ease-in-out infinite;
}
@keyframes scroll-bounce {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.6); opacity: 0.5; }
}

/* À propos compact */
.about-compact {
  display: grid;
  gap: var(--sp-lg);
  align-items: center;
}
.about-compact-visual {
  aspect-ratio: 1;
  border-radius: var(--rad-xl);
  background: var(--gradient-nova);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-compact-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.3), transparent 60%);
}
.about-compact-visual .decor-text {
  position: absolute;
  bottom: var(--sp-md);
  left: var(--sp-md);
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--blanc);
  line-height: 0.9;
  font-weight: 600;
  opacity: 0.95;
}

/* Services grid */
.services-grid {
  grid-template-columns: 1fr;
  gap: var(--sp-md);
}

/* Portfolio */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-md);
}

.portfolio-item {
  position: relative;
  border-radius: var(--rad-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  cursor: pointer;
  background: var(--gradient-nova-soft);
  transition: transform var(--t-base);
}
.portfolio-item:hover {
  transform: translateY(-6px);
}
.portfolio-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 600;
  color: var(--blanc);
}
.portfolio-item[data-bg="1"] .portfolio-placeholder { background: linear-gradient(135deg, #6B3FA0, #E63888); }
.portfolio-item[data-bg="2"] .portfolio-placeholder { background: linear-gradient(135deg, #E63888, #F26B4E); }
.portfolio-item[data-bg="3"] .portfolio-placeholder { background: linear-gradient(135deg, #F26B4E, #F58A3C); }
.portfolio-item[data-bg="4"] .portfolio-placeholder { background: linear-gradient(135deg, #6B3FA0, #F58A3C); }
.portfolio-item[data-bg="5"] .portfolio-placeholder { background: linear-gradient(135deg, #F58A3C, #E63888); }
.portfolio-item[data-bg="6"] .portfolio-placeholder { background: linear-gradient(135deg, #E63888, #6B3FA0); }

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,26,0.95) 0%, rgba(26,26,26,0.3) 50%, transparent 100%);
  padding: var(--sp-lg);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0;
  transition: opacity var(--t-base);
  color: var(--creme);
}
.portfolio-item:hover .portfolio-overlay,
.portfolio-item:focus-within .portfolio-overlay {
  opacity: 1;
}
.portfolio-overlay .category {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-xs);
}
.portfolio-overlay h3 {
  color: var(--creme);
  margin-bottom: var(--sp-xs);
}
.portfolio-overlay p {
  color: rgba(255, 248, 240, 0.8);
  font-size: var(--fs-sm);
}

/* Filtres portfolio */
.portfolio-filters {
  display: flex;
  gap: var(--sp-xs);
  flex-wrap: wrap;
  margin-bottom: var(--sp-lg);
  justify-content: center;
}
.filter-btn {
  padding: 0.6em 1.4em;
  border-radius: var(--rad-full);
  background: var(--fond-alt);
  border: 1px solid var(--bordure);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: all var(--t-base);
}
.filter-btn:hover {
  border-color: var(--magenta);
  color: var(--magenta);
}
.filter-btn.active {
  background: var(--gradient-nova);
  color: var(--blanc);
  border-color: transparent;
}

/* Témoignages */
.testimonials-grid {
  grid-template-columns: 1fr;
  gap: var(--sp-md);
}
.testimonial {
  background: var(--fond-alt);
  padding: var(--sp-lg);
  border-radius: var(--rad-lg);
  border: 1px solid var(--bordure);
  position: relative;
}
.testimonial::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: var(--sp-md);
  font-family: var(--font-display);
  font-size: 6rem;
  line-height: 1;
  background: var(--gradient-nova);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.testimonial-text {
  font-size: var(--fs-md);
  font-style: italic;
  margin-bottom: var(--sp-md);
  color: var(--texte);
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}
.testimonial-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gradient-nova);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanc);
  font-family: var(--font-display);
  font-weight: 600;
}
.testimonial-info strong {
  display: block;
  font-family: var(--font-display);
}
.testimonial-info span {
  font-size: var(--fs-sm);
  color: var(--gris-moyen);
}

/* CTA Final */
.cta-section {
  background: var(--gradient-nova);
  border-radius: var(--rad-xl);
  padding: var(--sp-xl) var(--sp-lg);
  text-align: center;
  color: var(--blanc);
  margin-block: var(--sp-xl);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.15), transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(255,255,255,0.1), transparent 50%);
}
.cta-section h2,
.cta-section p {
  color: var(--blanc);
  position: relative;
}
.cta-section .btn {
  position: relative;
  background: var(--blanc);
  color: var(--encre);
  margin-top: var(--sp-md);
}
.cta-section .btn:hover {
  background: var(--encre);
  color: var(--blanc);
  transform: translateY(-3px);
}

/* Process (Services) */
.process-steps {
  display: grid;
  gap: var(--sp-md);
  counter-reset: step;
}
.process-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--sp-md);
  padding: var(--sp-md);
  background: var(--fond-alt);
  border-radius: var(--rad-lg);
  border: 1px solid var(--bordure);
  counter-increment: step;
  position: relative;
  transition: transform var(--t-base);
}
.process-step:hover {
  transform: translateX(10px);
}
.process-step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 600;
  background: var(--gradient-nova);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

/* Tarifs (Services) */
.tarif-card {
  background: var(--fond-alt);
  border-radius: var(--rad-lg);
  padding: var(--sp-lg);
  border: 1px solid var(--bordure);
  position: relative;
  transition: transform var(--t-base);
}
.tarif-card.featured {
  border: 2px solid transparent;
  background: linear-gradient(var(--fond-alt), var(--fond-alt)) padding-box,
              var(--gradient-nova) border-box;
  transform: scale(1.02);
}
.tarif-card .tag {
  position: absolute;
  top: -12px;
  right: var(--sp-md);
  background: var(--gradient-nova);
  color: var(--blanc);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  padding: 0.3em 0.9em;
  border-radius: var(--rad-full);
}
.tarif-card h3 {
  margin-bottom: var(--sp-xs);
}
.tarif-price {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 600;
  margin: var(--sp-sm) 0;
}
.tarif-price small {
  font-size: var(--fs-sm);
  color: var(--gris-moyen);
  font-weight: 400;
}
.tarif-features {
  margin: var(--sp-md) 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
}
.tarif-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-xs);
  color: var(--texte-doux);
  font-size: var(--fs-sm);
}
.tarif-features li::before {
  content: '✓';
  color: var(--magenta);
  font-weight: 600;
  flex-shrink: 0;
}

/* À propos — parcours, valeurs, outils */
.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-md);
}
.value-item {
  padding: var(--sp-lg);
  background: var(--fond-alt);
  border-radius: var(--rad-lg);
  border: 1px solid var(--bordure);
  text-align: center;
}
.value-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 600;
  background: var(--gradient-nova);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: var(--sp-sm);
}

.tools-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-xs);
  margin-top: var(--sp-md);
}
.tools-list li {
  padding: 0.5em 1em;
  background: var(--gradient-nova-soft);
  color: var(--violet);
  border-radius: var(--rad-full);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 500;
}

.about-hero {
  display: grid;
  gap: var(--sp-lg);
  align-items: center;
  padding-block: var(--sp-xl);
}
.about-portrait {
  aspect-ratio: 4/5;
  border-radius: var(--rad-xl);
  background: var(--gradient-nova);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-width: 450px;
  margin: 0 auto;
}
.about-portrait::after {
  content: 'M';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 12rem;
  color: var(--blanc);
  font-weight: 600;
  text-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

/* ---------- FORMULAIRE CONTACT ---------- */
.contact-layout {
  display: grid;
  gap: var(--sp-lg);
}

.contact-info {
  padding: var(--sp-lg);
  border-radius: var(--rad-lg);
  background: var(--gradient-nova);
  color: var(--blanc);
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
  height: fit-content;
}
.contact-info h3,
.contact-info p {
  color: var(--blanc);
}
.contact-info a {
  color: var(--blanc);
}
.contact-info a:hover {
  opacity: 0.8;
}
.contact-item {
  display: flex;
  gap: var(--sp-sm);
  align-items: flex-start;
}
.contact-item-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}
.contact-item strong {
  display: block;
  font-family: var(--font-display);
  margin-bottom: 2px;
}

.contact-socials {
  display: flex;
  gap: var(--sp-xs);
  margin-top: auto;
  padding-top: var(--sp-md);
  border-top: 1px solid rgba(255,255,255,0.2);
}
.contact-socials a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-base), transform var(--t-base);
}
.contact-socials a:hover {
  background: var(--blanc);
  color: var(--magenta);
  transform: translateY(-3px);
}

.contact-form {
  background: var(--fond-alt);
  padding: var(--sp-lg);
  border-radius: var(--rad-lg);
  border: 1px solid var(--bordure);
}

.form-group {
  margin-bottom: var(--sp-md);
}

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  margin-bottom: var(--sp-xs);
  font-size: var(--fs-sm);
}
.form-group label .required {
  color: var(--magenta);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.9em 1em;
  border: 2px solid var(--bordure);
  border-radius: var(--rad-md);
  background: var(--fond);
  font-size: var(--fs-base);
  transition: border-color var(--t-base), box-shadow var(--t-base);
  font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--magenta);
  box-shadow: 0 0 0 3px rgba(230, 56, 136, 0.15);
}
.form-group textarea {
  resize: vertical;
  min-height: 140px;
}
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
  border-color: #E63333;
}
.form-error {
  display: none;
  font-size: var(--fs-sm);
  color: #E63333;
  margin-top: 4px;
}
.form-group.error .form-error {
  display: block;
}

/* ---------- 7. FOOTER ---------- */
.footer {
  background: var(--encre);
  color: var(--creme);
  padding-top: var(--sp-xl);
  padding-bottom: var(--sp-md);
  margin-top: var(--sp-xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-lg);
  margin-bottom: var(--sp-lg);
}
.footer h4 {
  color: var(--creme);
  margin-bottom: var(--sp-sm);
  font-size: var(--fs-md);
}
.footer a {
  color: rgba(255, 248, 240, 0.7);
  transition: color var(--t-fast);
}
.footer a:hover {
  color: var(--orange);
}
.footer-logo {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--creme);
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin-bottom: var(--sp-sm);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
}
.footer-socials {
  display: flex;
  gap: var(--sp-sm);
  margin-top: var(--sp-sm);
}
.footer-socials a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255, 248, 240, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-base);
}
.footer-socials a:hover {
  background: var(--gradient-nova);
  transform: translateY(-3px);
  color: var(--blanc);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 248, 240, 0.1);
  padding-top: var(--sp-md);
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
  text-align: center;
  font-size: var(--fs-sm);
  color: rgba(255, 248, 240, 0.5);
}

/* ---------- 8. ANIMATIONS ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 700ms var(--t-base), transform 700ms var(--t-base);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 700ms var(--t-base), transform 700ms var(--t-base);
}
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 100ms; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 200ms; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 300ms; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 400ms; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 500ms; }
.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* Logo nova animé */
.logo-splash {
  position: fixed;
  inset: 0;
  background: var(--creme);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 600ms ease, visibility 600ms ease;
}
.logo-splash.hidden {
  opacity: 0;
  visibility: hidden;
}
.logo-splash-mark {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--gradient-nova);
  position: relative;
  animation: logo-pulse 1.5s ease-in-out infinite;
  box-shadow: 0 20px 60px rgba(230, 56, 136, 0.4);
}
.logo-splash-mark::after {
  content: '';
  position: absolute;
  inset: 28%;
  border-radius: 50%;
  background: var(--creme);
}
@keyframes logo-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* Page 404 */
.error-page {
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--sp-xl) var(--sp-md);
}
.error-code {
  font-family: var(--font-display);
  font-size: clamp(6rem, 20vw, 12rem);
  font-weight: 600;
  line-height: 1;
  background: var(--gradient-nova);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-shift 4s ease infinite;
  margin-bottom: var(--sp-md);
}
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ---------- 9. DARK MODE ---------- */
body.dark {
  --fond: #13111A;
  --fond-alt: #1E1B29;
  --texte: #F5F0E6;
  --texte-doux: #C8C0B3;
  --encre: #F5F0E6;
  --creme: #13111A;
  --bordure: rgba(255, 248, 240, 0.08);
  --gris-clair: #2A2636;
}
body.dark .header {
  background: rgba(19, 17, 26, 0.85);
}
body.dark .header.scrolled {
  background: rgba(19, 17, 26, 0.95);
}
body.dark .nav-logo-mark::after {
  background: var(--fond);
}
body.dark .nav-burger span {
  background: var(--texte);
}
body.dark .filter-btn {
  background: var(--fond-alt);
}
body.dark .btn-secondary {
  color: var(--texte);
  border-color: var(--texte);
}
body.dark .btn-secondary:hover {
  background: var(--texte);
  color: var(--fond);
}
body.dark .logo-splash {
  background: var(--fond);
}
body.dark .logo-splash-mark::after {
  background: var(--fond);
}
body.dark .footer {
  background: #0A0812;
}
body.dark .testimonial {
  background: var(--fond-alt);
}

/* ---------- 10. RESPONSIVE ---------- */

/* Tablet : 768px+ */
@media (min-width: 768px) {
  section { padding-block: var(--sp-2xl); }
  .container { padding-inline: var(--sp-lg); }

  .nav-links { display: flex; }
  .nav-burger { display: none; }
  .nav-mobile { display: none; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(3, 1fr); }

  .about-compact {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-xl);
  }
  .about-hero {
    grid-template-columns: 1fr 1.3fr;
    gap: var(--sp-xl);
  }
  .contact-layout {
    grid-template-columns: 1fr 1.3fr;
    gap: var(--sp-lg);
  }
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .hero-cta { flex-wrap: nowrap; }
  .cta-section { padding: var(--sp-2xl); }

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

/* Desktop : 1024px+ */
@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }

  /* Grille asymétrique portfolio (home) */
  .portfolio-grid.asymmetric {
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: 200px;
  }
  .portfolio-grid.asymmetric .portfolio-item {
    aspect-ratio: auto;
  }
  .portfolio-grid.asymmetric .portfolio-item:nth-child(1) { grid-column: span 3; grid-row: span 2; }
  .portfolio-grid.asymmetric .portfolio-item:nth-child(2) { grid-column: span 3; grid-row: span 1; }
  .portfolio-grid.asymmetric .portfolio-item:nth-child(3) { grid-column: span 3; grid-row: span 1; }
  .portfolio-grid.asymmetric .portfolio-item:nth-child(4) { grid-column: span 2; grid-row: span 2; }
  .portfolio-grid.asymmetric .portfolio-item:nth-child(5) { grid-column: span 2; grid-row: span 2; }
  .portfolio-grid.asymmetric .portfolio-item:nth-child(6) { grid-column: span 2; grid-row: span 2; }
}

/* Réduction d'animation */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .blob { animation: none; }
}

/* Impression */
@media print {
  .header, .footer, .nav-burger, .theme-toggle, .cta-section { display: none; }
  body { background: white; color: black; }
}