/* ============================================
   Natalye la Couturière — Styles
   Mobile-first, charte graphique stricte
   ============================================ */

/* ---------- Variables (charte graphique) — LIGHT (défaut) ---------- */
:root {
  --bg-main: #F4EFE9;
  --bg-secondary: #FBF9F6;
  --text-main: #2B2B2B;
  --text-secondary: #6B6B6B;
  --accent: #8A7F73;
  --accent-light: #D8CFC4;
  --navbar-bg: rgba(251, 249, 246, 0.95);
  --footer-bg: #2B2B2B;
  --footer-text: #FBF9F6;
  --footer-link: #D8CFC4;
  --btn-primary-bg: #2B2B2B;
  --btn-primary-color: #fff;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.3s ease;
  --transition-theme: 0.25s ease;
  --shadow-soft: 0 4px 20px rgba(43, 43, 43, 0.06);
  --radius: 8px;
}

/* ---------- DARK THEME (élégant, doux, contrastes WCAG AA) ---------- */
html[data-theme="dark"] {
  --bg-main: #252422;
  --bg-secondary: #1e1d1b;
  --text-main: #e8e4e0;
  --text-secondary: #b5aea6;
  --accent: #a89f94;
  --accent-light: #3d3936;
  --navbar-bg: rgba(30, 29, 27, 0.95);
  --footer-bg: #1a1918;
  --footer-text: #e8e4e0;
  --footer-link: #b5aea6;
  --btn-primary-bg: #3d3936;
  --btn-primary-color: #e8e4e0;
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.25);
}

/* ---------- Reset & base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-main);
  -webkit-font-smoothing: antialiased;
  /* Transition uniquement sur les couleurs (pas layout) pour le switch de thème */
  transition: background-color var(--transition-theme), color var(--transition-theme);
}

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

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.container--narrow {
  max-width: 640px;
}

/* ---------- Navbar (sticky) ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navbar-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--accent-light);
  transition: box-shadow var(--transition), background-color var(--transition-theme), border-color var(--transition-theme);
}

.navbar.scrolled {
  box-shadow: var(--shadow-soft);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0.5rem 1rem;
  min-height: 56px;
}

.navbar__logo img {
  height: 40px;
  width: auto;
}

.navbar__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--text-main);
  transition: opacity var(--transition);
}

.navbar__toggle:hover {
  opacity: 0.8;
}

.navbar__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--transition);
}

.navbar__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.navbar__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.navbar__nav {
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--accent-light);
  padding: 1.5rem;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition), opacity var(--transition), visibility var(--transition), background-color var(--transition-theme), border-color var(--transition-theme);
}

.navbar__nav.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.navbar__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.navbar__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-main);
  transition: color var(--transition);
}

.navbar__link:hover {
  color: var(--accent);
}

.navbar__link--icon svg {
  flex-shrink: 0;
}

/* ---------- Bouton thème (toggle light/dark) ---------- */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--text-main);
  border-radius: var(--radius);
  transition: color var(--transition-theme), transform var(--transition-theme), opacity var(--transition-theme);
}

.theme-toggle:hover {
  opacity: 0.85;
}

.theme-toggle:active {
  transform: scale(0.95);
}

/* Icônes Lucide (SVG) dans le bouton thème */
.theme-toggle__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: opacity var(--transition-theme), transform var(--transition-theme);
}

.theme-toggle__icon svg {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

/* En mode light : afficher soleil, masquer lune */
.theme-toggle__icon--moon {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.theme-toggle__icon--sun {
  opacity: 1;
}

/* En mode dark : afficher lune, masquer soleil + léger effet (bonus) */
html[data-theme="dark"] .theme-toggle__icon--sun {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  transform: rotate(-20deg);
}

html[data-theme="dark"] .theme-toggle__icon--moon {
  position: relative;
  opacity: 1;
}

/* Conteneur pour superposer les icônes (éviter layout shift) */
.theme-toggle {
  position: relative;
}

.theme-toggle__icon--sun,
.theme-toggle__icon--moon {
  width: 1.5rem;
  height: 1.5rem;
}

/* ---------- Hero ---------- */
/* PC : la hauteur suit l'image paysage, rien n'est coupé */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 50vh;
  min-height: 50dvh;
}

.hero__bg {
  position: relative;
  width: 100%;
}

/* Base : une seule image visible à la fois, les autres en overlay absolu */
.hero__img {
  width: 100%;
  height: auto;
  display: block;
  transition: opacity var(--transition-theme);
}

/* PC : masquer les images mobile (carrées) — priorité sur .hero__img */
.hero__bg .hero__img--mobile {
  display: none !important;
}

/* PC — Image visible : hero.jpg (light) */
.hero__img--light.hero__img--desktop {
  opacity: 1;
  position: relative;
}

.hero__img--dark.hero__img--desktop {
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  pointer-events: none;
}

/* PC — Image visible : hero_dark.jpg (dark) */
html[data-theme="dark"] .hero__img--light.hero__img--desktop {
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  pointer-events: none;
}

html[data-theme="dark"] .hero__img--dark.hero__img--desktop {
  opacity: 1;
  position: relative;
}

/* ========== Responsive : hero 4:4 avec images carrées ========== */
@media (max-width: 768px) {
  .hero {
    min-height: 0;
    aspect-ratio: 4 / 4;
  }

  .hero__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
  }

  /* Sur mobile : masquer les images PC (paysage), une seule couche visible */
  .hero__bg .hero__img--desktop {
    display: none !important;
  }

  /* Sur mobile : images carrées en overlay, une visible selon le thème */
  .hero__bg .hero__img--mobile {
    display: block !important;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: opacity var(--transition-theme);
  }

  .hero__img--light-square {
    opacity: 1;
    z-index: 0;
  }

  .hero__img--dark-square {
    opacity: 0;
    z-index: 0;
  }

  html[data-theme="dark"] .hero__img--light-square {
    opacity: 0;
  }

  html[data-theme="dark"] .hero__img--dark-square {
    opacity: 1;
  }

  /* Texte et bouton compacts */
  .hero__content {
    padding: 0.75rem 1rem;
    max-width: 100%;
  }

  .hero__content-text {
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
  }

  .hero__title {
    font-size: clamp(1.25rem, 4vw, 1.5rem);
    margin: 0 0 0.5rem;
    line-height: 1.2;
  }

  .hero__subtitle {
    font-size: 0.8125rem;
    line-height: 1.4;
  }

  .hero__content .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, rgba(43, 43, 43, 0.25) 0%, rgba(43, 43, 43, 0.5) 100%);
  pointer-events: none;
}

.hero__content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  text-align: center;
  padding: 2rem 1.5rem;
  max-width: 640px;
  width: 100%;
}

.hero__content-text {
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.25;
  color: #fff;
  margin: 0 0 1rem;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.hero__subtitle {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.95);
  margin: 0 0 0;
  line-height: 1.5;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), transform 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-color);
  transition: background-color var(--transition-theme), color var(--transition-theme);
}

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

.btn--secondary {
  background: transparent;
  color: var(--text-main);
  border: 2px solid var(--accent);
}

.btn--secondary:hover {
  background: var(--accent);
  color: #fff;
}

.btn--full {
  width: 100%;
}

/* ---------- Sections génériques ---------- */
.section {
  padding: 3.5rem 0;
  background: var(--bg-main);
  transition: background-color var(--transition-theme);
}

.section:nth-child(even) {
  background: var(--bg-secondary);
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  color: var(--text-main);
  margin: 0 0 0.75rem;
  text-align: center;
  transition: color var(--transition-theme);
}

.section__intro {
  text-align: center;
  color: var(--text-secondary);
  margin: 0 auto 2rem;
  max-width: 520px;
  font-size: 0.9375rem;
}

/* ---------- À propos ---------- */
.section--about .about__content {
  max-width: 640px;
  margin: 0 auto;
}

.about__lead {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--text-main);
  margin: 0 0 1.25rem;
}

.about__content p {
  margin: 0 0 1rem;
  color: var(--text-secondary);
}

.about__content p:last-child {
  margin-bottom: 0;
}

/* ---------- Prestations (cartes) ---------- */
.section--services {
  padding-bottom: 4rem;
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}

.card {
  background: var(--bg-secondary);
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--accent-light);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition-theme), border-color var(--transition-theme);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(43, 43, 43, 0.08);
}

.card__icon {
  color: var(--accent);
  margin-bottom: 1rem;
}

.card__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
  color: var(--text-main);
}

.card__price {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 0.5rem;
}

.card__text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* ---------- Galerie créations ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.gallery__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 1;
  background: var(--accent-light);
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s ease;
}

/* Cadrage à gauche pour creation-1 et creation-4 (sujet à gauche dans la photo) */
.gallery__item--focus-left img {
  object-position: left center;
}

.gallery__item:hover img {
  transform: scale(1.06);
}

.creations__cta {
  text-align: center;
}

/* ---------- Section Instagram ---------- */
.section--instagram {
  text-align: center;
}

.section--instagram .btn {
  margin-top: 0.5rem;
}

/* ---------- Formulaire contact ---------- */
.contact__wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
  align-items: start;
}

.contact-form {
  max-width: 100%;
}

.contact__info {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--accent-light);
  transition: background-color var(--transition-theme), border-color var(--transition-theme);
}

.contact__info-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-main);
  margin: 0 0 1rem;
}

.contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact__list li {
  margin-bottom: 1rem;
}

.contact__list li:last-child {
  margin-bottom: 0;
}

.contact__label {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.contact__link {
  font-size: 1rem;
  color: var(--text-main);
  transition: color var(--transition);
}

.contact__link:hover {
  color: var(--accent);
}

.contact__link--icon {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.contact__link--icon svg {
  flex-shrink: 0;
}

.contact__link-label {
  font-weight: 500;
}

.contact__link--stacked {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}

.contact__instagram-line {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.contact__instagram-handle {
  display: block;
}

@media (min-width: 640px) {
  .contact__wrapper {
    grid-template-columns: 1fr auto;
    gap: 2.5rem;
    align-items: center;
  }

  .contact__info {
    min-width: 240px;
    padding: 1.75rem;
  }
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-main);
  background: var(--bg-secondary);
  border: 1px solid var(--accent-light);
  border-radius: var(--radius);
  transition: border-color var(--transition), background-color var(--transition-theme), color var(--transition-theme);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.8;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form .btn {
  margin-top: 0.5rem;
}

.form-feedback {
  margin-top: 1rem;
  font-size: 0.9375rem;
  text-align: center;
}

.form-feedback.success {
  color: #2d6a4f;
}

.form-feedback.error {
  color: #9d0208;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 2rem 1.25rem;
  text-align: center;
  transition: background-color var(--transition-theme), color var(--transition-theme);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.5rem;
  margin-bottom: 1rem;
}

.footer__nav a {
  color: var(--footer-link);
  font-size: 0.9375rem;
  transition: color var(--transition);
}

.footer__nav a:hover {
  color: var(--footer-text);
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--footer-link);
  margin: 0;
  opacity: 0.9;
}

.footer__credit {
  font-size: 0.75rem;
  color: var(--footer-link);
  margin: 0.5rem 0 0;
  opacity: 0.65;
}

.footer__credit-link {
  color: inherit;
  text-decoration: none;
  opacity: 0.9;
}

.footer__credit-link:hover,
.footer__credit-link:focus-visible {
  text-decoration: underline;
  opacity: 1;
}

.footer__cookies {
  font-size: 0.75rem;
  color: var(--footer-link);
  margin: 0.75rem 0 0;
  opacity: 0.7;
}

.footer__siret {
  font-size: 0.75rem;
  color: var(--footer-link);
  margin: 0.5rem 0 0;
  opacity: 0.7;
}

/* ---------- Page CGV / contenu légal ---------- */
.page-content {
  padding: 2rem 0 4rem;
  min-height: 60vh;
}

.page-header {
  margin-bottom: 2rem;
}

.page-back {
  display: inline-block;
  font-size: 0.9375rem;
  color: var(--accent);
  margin-bottom: 1rem;
  transition: color var(--transition);
}

.page-back:hover {
  color: var(--text-main);
}

.page-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--text-main);
}

.page-meta {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
}

.legal-content {
  color: var(--text-secondary);
}

.legal-content--boxed {
  padding: 1.5rem;
  background: var(--accent-light);
  border-radius: var(--radius);
  border: 1px solid var(--accent);
}

.legal-content section {
  margin-bottom: 2rem;
}

.legal-content section:last-child {
  margin-bottom: 0;
}

.legal-list {
  list-style-type: disc;
  margin: 0.5rem 0 1rem;
  padding-left: 1.25rem;
}

.legal-list li {
  margin-bottom: 0.35rem;
  line-height: 1.5;
}

.legal-content h2 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-main);
  margin: 0 0 0.75rem;
}

.legal-content p {
  margin: 0 0 0.75rem;
  line-height: 1.6;
}

.legal-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-content a:hover {
  color: var(--text-main);
}

.legal-note {
  margin-top: 2rem;
  padding: 1rem;
  background: var(--accent-light);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--text-main);
}

@media (min-width: 640px) {
  .legal-content--boxed {
    padding: 2rem;
  }
}

/* ---------- Animations au scroll (classes JS) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---------- Tablet ---------- */
@media (min-width: 640px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .navbar__inner {
    padding: 0.6rem 1.25rem;
  }

  .navbar__toggle {
    display: none;
  }

  .navbar__nav {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: transparent;
    border: none;
    padding: 0;
  }

  .navbar__list {
    flex-direction: row;
    align-items: center;
    gap: 0.25rem;
  }

  .navbar__link {
    padding: 0.5rem 0.75rem;
    font-size: 0.9375rem;
  }

  .gallery {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- Desktop ---------- */
@media (min-width: 900px) {
  .section {
    padding: 5rem 0;
  }

  .section__title {
    margin-bottom: 1rem;
  }

  .section__intro {
    margin-bottom: 2.5rem;
  }

  .gallery {
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
  }

  .gallery__item {
    aspect-ratio: 4/5;
  }

  .services__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }

  .about__lead {
    font-size: 1.375rem;
  }
}

@media (min-width: 1200px) {
  .navbar__inner {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}