/* ================================================================
   LRZR PRODUCTION — style.css
   Direction artistique : noir profond / orange brûlé / grain film
   Typographie : Fraunces (titres) + DM Sans (corps)
   
   TABLE DES MATIÈRES :
   1.  Variables CSS & Reset
   2.  Typographie
   3.  Layout utilitaires
   4.  Navigation
   5.  Hero
   6.  À propos
   7.  Portfolio & Lightbox
   8.  Services
   9.  Contact & Formulaire
   10. Footer
   11. Animations (Intersection Observer)
   12. Responsive
   ================================================================ */


/* ================================================================
   1. VARIABLES CSS & RESET
   ================================================================ */

:root {
  /* Palette — MODIFIER pour changer la DA */
  --color-bg:         #0a0a0a;
  --color-bg-2:       #111111;
  --color-bg-3:       #161616;
  --color-surface:    #1c1c1c;
  --color-border:     rgba(255, 255, 255, 0.08);

  --color-accent:     #FF6B35;   /* Orange brûlé — accent principal */
  --color-accent-dim: rgba(255, 107, 53, 0.15);
  --color-accent-2:   #E8C547;   /* Or chaud — accent secondaire, usage limité */

  --color-text:       #f0ede8;   /* Blanc cassé légèrement chaud */
  --color-text-muted: #888888;
  --color-text-faint: #444444;

  /* Typographie */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'DM Sans', -apple-system, sans-serif;

  /* Espacement */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  8rem;
  --space-2xl: 12rem;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   300ms ease;
  --transition-slow:   600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Container */
  --container-max: 1280px;
  --container-pad: clamp(1.5rem, 5vw, 4rem);

  /* Bordure radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

ul {
  list-style: none;
}

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

/* Sélection de texte */
::selection {
  background: var(--color-accent);
  color: #000;
}

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


/* ================================================================
   2. TYPOGRAPHIE
   ================================================================ */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}


/* ================================================================
   3. LAYOUT UTILITAIRES
   ================================================================ */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

section {
  padding: var(--space-xl) 0;
}

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

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: #000;
}

.btn--primary:hover {
  background: #ff8555;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 107, 53, 0.35);
}

.btn--ghost {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

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


/* ================================================================
   4. NAVIGATION
   ================================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem var(--container-pad);
  transition: background var(--transition-slow), backdrop-filter var(--transition-slow);
}

.site-header.scrolled {
  background: rgba(10, 10, 10, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

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

.nav__logo-accent {
  color: var(--color-accent);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__links a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

.nav__cta {
  padding: 0.6rem 1.4rem !important;
  border: 1px solid var(--color-accent) !important;
  border-radius: var(--radius-sm);
  color: var(--color-accent) !important;
  transition: all var(--transition-fast) !important;
}

.nav__cta:hover {
  background: var(--color-accent) !important;
  color: #000 !important;
}

/* Burger mobile */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px;
}

.nav__burger span {
  display: block;
  height: 1.5px;
  background: var(--color-text);
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav__burger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__burger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__burger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}


/* ================================================================
   5. HERO
   ================================================================ */

.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--space-xl);
  overflow: hidden;

  /*
    MODIFIER : remplacer cette image par la vôtre.
    Chemin recommandé : assets/images/hero-bg.jpg
    Dimensions recommandées : 2400x1600px, compressée (< 500 Ko)
  */
  background-image: url('assets/images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed; /* Parallax léger — désactiver sur mobile (voir media query) */
}

/* Dégradé overlay principal */
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 10, 10, 1) 0%,
    rgba(10, 10, 10, 0.6) 40%,
    rgba(10, 10, 10, 0.2) 100%
  );
  z-index: 1;
}

/* Grain cinématographique — texture CSS pure, pas d'image externe */
.hero__grain {
  position: absolute;
  inset: -50%;
  width: 200%;
  height: 200%;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
  z-index: 2;
  pointer-events: none;
  animation: grain-shift 8s steps(1) infinite;
}

@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  10%  { transform: translate(-5%, -5%); }
  20%  { transform: translate(5%, 2%); }
  30%  { transform: translate(-3%, 7%); }
  40%  { transform: translate(7%, -3%); }
  50%  { transform: translate(-5%, 5%); }
  60%  { transform: translate(3%, -7%); }
  70%  { transform: translate(-7%, 3%); }
  80%  { transform: translate(5%, -5%); }
  90%  { transform: translate(-3%, -3%); }
  100% { transform: translate(0, 0); }
}

/* Vidéo de fond (optionnelle) */
.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 3;
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.hero__eyebrow {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  max-width: 14ch;
}

.hero__title em {
  font-style: italic;
  font-weight: 300;
  color: var(--color-accent);
}

.hero__sub {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 2.5rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Indicateur scroll */
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  right: var(--container-pad);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.5;
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(0.6); }
}

.hero__scroll-label {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  writing-mode: vertical-rl;
}


/* ================================================================
   6. À PROPOS
   ================================================================ */

.about {
  background: var(--color-bg);
}

.about__grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

.about__image-wrap {
  position: relative;
}

.about__image {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-md);
  filter: grayscale(20%) contrast(1.05);
  transition: filter var(--transition-slow);
}

.about__image:hover {
  filter: grayscale(0%) contrast(1);
}

/* Cadre décoratif décalé */
.about__image-accent {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  right: -1.5rem;
  bottom: -1.5rem;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  z-index: -1;
  opacity: 0.35;
  transition: opacity var(--transition-slow);
}

.about__image-wrap:hover .about__image-accent {
  opacity: 0.6;
}

.about__name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 1.5rem;
}

.about__name span {
  font-weight: 300;
  font-style: italic;
  color: var(--color-accent);
  font-size: 0.65em;
  display: block;
  margin-top: 0.3em;
}

.about__bio {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about__skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
}

.skill-tag {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.skill-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}


/* ================================================================
   7. PORTFOLIO & LIGHTBOX
   ================================================================ */

.portfolio {
  background: var(--color-bg-2);
}

/* Filtres */
.portfolio__filters {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #000;
}

/* Grille asymétrique */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
  /* Les items ont des spans définis par nth-child dans main.js */
}

/* Patterns visuels pour la grille — attribués par JS */
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: var(--color-surface);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.portfolio-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.portfolio-item--sm  { grid-column: span 4; }
.portfolio-item--md  { grid-column: span 6; }
.portfolio-item--lg  { grid-column: span 8; }
.portfolio-item--xl  { grid-column: span 12; }

.portfolio-item__media {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.portfolio-item:hover .portfolio-item__media {
  transform: scale(1.04);
}

/* Overlay hover */
.portfolio-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
}

.portfolio-item:hover .portfolio-item__overlay {
  opacity: 1;
}

.portfolio-item__info {
  transform: translateY(8px);
  transition: transform var(--transition-base);
}

.portfolio-item:hover .portfolio-item__info {
  transform: translateY(0);
}

.portfolio-item__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.2rem;
}

.portfolio-item__cat {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* Badge catégorie (toujours visible sur vidéos) */
.portfolio-item__badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  color: var(--color-text-muted);
  backdrop-filter: blur(6px);
}

/* Facade vidéo — pattern pour éviter le chargement des iframes au scroll */
.video-facade {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  background: var(--color-surface);
  cursor: pointer;
  overflow: hidden;
}

.video-facade__thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.video-facade:hover .video-facade__thumb {
  transform: scale(1.04);
}

.video-facade__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  transition: background var(--transition-fast);
}

.video-facade:hover .video-facade__play {
  background: rgba(0,0,0,0.15);
}

.video-facade__play svg {
  width: 64px;
  height: 64px;
  color: #fff;
  filter: drop-shadow(0 2px 12px rgba(0,0,0,0.5));
  transition: transform var(--transition-base);
}

.video-facade:hover .video-facade__play svg {
  transform: scale(1.1);
}

/* Iframe chargée après clic */
.video-facade iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: none;
}

.video-facade.playing iframe {
  display: block;
}

.video-facade.playing .video-facade__thumb,
.video-facade.playing .video-facade__play {
  display: none;
}

/* -------- LIGHTBOX -------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: lightbox-in var(--transition-base) ease;
}

.lightbox[hidden] {
  display: none;
}

@keyframes lightbox-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.lightbox__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  animation: lightbox-img-in 0.3s ease;
}

@keyframes lightbox-img-in {
  from { transform: scale(0.95); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.lightbox__caption {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  color: var(--color-text);
  font-size: 1.5rem;
  padding: 1rem;
  opacity: 0.6;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  opacity: 1;
}

.lightbox__close {
  top: 1rem;
  right: 1.5rem;
  font-size: 2rem;
}

.lightbox__prev {
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__prev:hover { transform: translateY(-50%) translateX(-4px); }

.lightbox__next {
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__next:hover { transform: translateY(-50%) translateX(4px); }


/* ================================================================
   8. SERVICES
   ================================================================ */

.services {
  background: var(--color-bg);
  position: relative;
}

/* Ligne décorative en arrière-plan */
.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--color-accent-dim), transparent);
  pointer-events: none;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  border-color: rgba(255, 107, 53, 0.25);
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
  transition: transform var(--transition-base);
}

.service-card:hover .service-card__icon {
  transform: scale(1.1) rotate(-3deg);
}

.service-card__icon svg {
  width: 100%;
  height: 100%;
}

.service-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.service-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.service-card__link {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  transition: gap var(--transition-fast), letter-spacing var(--transition-fast);
  display: inline-block;
}

.service-card__link:hover {
  letter-spacing: 0.14em;
}


/* ================================================================
   9. CONTACT & FORMULAIRE
   ================================================================ */

.contact {
  background: var(--color-bg-2);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.contact__text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.contact__email {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
  display: block;
  margin-bottom: 1.5rem;
  transition: color var(--transition-fast);
}

.contact__email:hover {
  color: var(--color-text);
}

.contact__socials {
  display: flex;
  gap: 1.5rem;
}

.contact__socials a {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2px;
  transition: all var(--transition-fast);
}

.contact__socials a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* Formulaire */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

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

.form-group label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.9rem;
  padding: 0.85rem 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-group select option {
  background: var(--color-surface);
  color: var(--color-text);
}

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

.form-feedback {
  font-size: 0.85rem;
  text-align: center;
  min-height: 1.5em;
}

.form-feedback.success {
  color: #4CAF50;
}

.form-feedback.error {
  color: #f44336;
}


/* ================================================================
   10. FOOTER
   ================================================================ */

.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.footer__logo span {
  color: var(--color-accent);
}

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

.footer__nav {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer__nav a {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

.footer__socials {
  display: flex;
  gap: 1rem;
}

.footer__socials a {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.footer__socials a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.footer__socials svg {
  width: 18px;
  height: 18px;
}

.footer__bottom {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer__bottom p {
  font-size: 0.75rem;
  color: var(--color-text-faint);
}


/* ================================================================
   11. ANIMATIONS (Intersection Observer — scroll reveal)
   ================================================================ */

/* État initial — invisible, légèrement en bas */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* État visible — déclenché par JS */
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Délais en cascade pour les éléments enfants */
.reveal:nth-child(1) { transition-delay: 0ms; }
.reveal:nth-child(2) { transition-delay: 80ms; }
.reveal:nth-child(3) { transition-delay: 160ms; }
.reveal:nth-child(4) { transition-delay: 240ms; }
.reveal:nth-child(5) { transition-delay: 320ms; }

/* Réduction du mouvement — accessibilité */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__grain {
    animation: none;
  }

  .hero__scroll-line {
    animation: none;
  }
}


/* ================================================================
   12. RESPONSIVE
   ================================================================ */

/* ---- Tablette ---- */
@media (max-width: 900px) {

  .about__grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }

  .contact__grid {
    grid-template-columns: 1fr;
  }

  .portfolio-item--lg {
    grid-column: span 12;
  }

  .portfolio-item--md {
    grid-column: span 6;
  }

  /* Désactiver parallax sur tablette */
  .hero {
    background-attachment: scroll;
  }
}

/* ---- Mobile ---- */
@media (max-width: 640px) {

  /* Navigation mobile */
  .nav__burger {
    display: flex;
  }

  .nav__links {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    font-size: 1.1rem;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 99;
  }

  .nav__links.open {
    transform: translateX(0);
  }

  .nav__links a {
    font-size: 1rem;
    letter-spacing: 0.12em;
  }

  .nav__cta {
    padding: 0.8rem 2rem !important;
  }

  /* Hero mobile */
  .hero {
    background-attachment: scroll;
    align-items: flex-end;
    padding-bottom: 5rem;
  }

  .hero__title {
    font-size: clamp(2.5rem, 11vw, 4rem);
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    text-align: center;
    justify-content: center;
  }

  .hero__scroll {
    display: none;
  }

  /* Portfolio grille mobile — 1 colonne */
  .portfolio-item--sm,
  .portfolio-item--md,
  .portfolio-item--lg,
  .portfolio-item--xl {
    grid-column: span 12;
  }

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

  /* Footer mobile */
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .footer__nav {
    gap: 1rem;
  }

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

@media (max-width: 400px) {
  .hero__title {
    font-size: 2.2rem;
  }
}


/* ================================================================
   HERO CAROUSEL
   ================================================================ */

.hero__slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero__slide.active {
  opacity: 1;
}

/* Dots navigation */
.hero__dots {
  position: absolute;
  bottom: 2rem;
  left: var(--container-pad);
  z-index: 3;
  display: flex;
  gap: 0.5rem;
}

.hero__dot {
  width: 28px;
  height: 3px;
  background: rgba(255,255,255,0.3);
  border-radius: 2px;
  transition: background var(--transition-base), width var(--transition-base);
  cursor: pointer;
}

.hero__dot.active {
  background: var(--color-accent);
  width: 48px;
}


/* ================================================================
   CAROUSEL CATÉGORIES — aperçu page d'accueil
   ================================================================ */

.portfolio-preview {
  background: var(--color-bg-2);
}

.portfolio-preview__cta {
  text-align: center;
  margin-top: 3rem;
}

.cat-carousel {
  position: relative;
  overflow: hidden;
  padding: 0 30px;
}

.cat-carousel__track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 0.5rem;
}

.cat-carousel__track::-webkit-scrollbar {
  display: none;
}

.cat-card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: block;
  aspect-ratio: 3/4;
  cursor: pointer;
  transition: transform var(--transition-base);
}

.cat-card:hover {
  transform: translateY(-6px);
}

.cat-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.cat-card:hover img {
  transform: scale(1.06);
}

.cat-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  transition: background var(--transition-base);
}

.cat-card:hover .cat-card__overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.1) 60%);
}

.cat-card__label {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  display: block;
}

.cat-card__count {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: 0.25rem;
  display: block;
}

.cat-carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: rgba(10,10,10,0.8);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: all var(--transition-fast);
  backdrop-filter: blur(8px);
}

.cat-carousel__btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #000;
}

.cat-carousel__btn--prev { left: -22px; }
.cat-carousel__btn--next { right: -22px; }

@media (max-width: 640px) {
  .cat-carousel__btn { display: none; }
  .cat-card { flex: 0 0 80vw; }
}


/* ================================================================
   PAGE GALERIE
   ================================================================ */

.galerie-page {
  padding-top: 0;
}

.galerie-main {
  padding-top: 80px; /* hauteur nav */
  min-height: 100vh;
}

.galerie-header {
  padding: var(--space-lg) 0 var(--space-md);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.galerie-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-top: 0.5rem;
}

/* Grille catégories */
.galerie-cats {
  padding: var(--space-lg) 0;
  background: var(--color-bg);
}

.cats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.cat-grid-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3/4;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.cat-grid-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 70px rgba(0,0,0,0.5);
}

.cat-grid-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.cat-grid-card:hover img {
  transform: scale(1.06);
}

.cat-grid-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 55%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.75rem;
  transition: background var(--transition-base);
}

.cat-grid-card:hover .cat-grid-card__overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.88) 0%, rgba(0,0,0,0.15) 55%);
}

.cat-grid-card__label {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  display: block;
}

.cat-grid-card__count {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: 0.3rem;
  display: block;
}

/* Section photos d'une catégorie */
.galerie-photos {
  padding: var(--space-lg) 0;
  background: var(--color-bg);
}

.galerie-photos__header {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.back-btn {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.back-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.galerie-photos__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-text);
}

/* Grille masonry-like pour les photos */
.photos-grid {
  columns: 3;
  column-gap: 1rem;
}

@media (max-width: 900px) { .photos-grid { columns: 2; } }
@media (max-width: 500px) { .photos-grid { columns: 1; } }

.photo-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
}

.photo-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.photo-item:hover img {
  transform: scale(1.03);
}

.photo-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
  color: #fff;
}

.photo-item:hover .photo-item__overlay {
  opacity: 1;
}

/* Lien actif dans la nav galerie */
.nav__links a.active {
  color: var(--color-accent);
}