/* =============================
   AGENCE EMPATHE — Thème
   Charte graphique du client (ne pas modifier la structure/design existants)
   Primaire : #fe7b02 (orange)
   Secondaire : #0457dc (bleu)
   Dark :     #050000 (noir profond)
   ============================= */

:root {
  --primary: #fe7b02;
  --secondary: #0457dc;
  --dark: #050000;
  --dark-soft: #1a1a1a;
  --white: #ffffff;
  --gray-light: #f5f5f5;
  --gray-mid: #aaa;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  color: var(--white);
  background: var(--dark);
  line-height: 1.5;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

ul { list-style: none; }
button { cursor: pointer; border: none; background: none; }

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 40px;
  transition: background 0.3s;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
}

.logo img {
  height: 100px;
  width: auto;
}

/* Dot-grid menu button */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
}

.dot-grid {
  display: grid;
  grid-template-columns: repeat(3, 6px);
  gap: 4px;
}

.dot-grid span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--white);
  transition: background 0.2s;
}

.menu-toggle:hover .dot-grid span {
  background: var(--primary);
}

/* ===== OFF-NAV (Mobile) ===== */
.offnav {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--dark);
  z-index: 2000;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
  display: flex;
  flex-direction: column;
  padding: 60px 40px 40px;
}

.offnav.active {
  transform: translateX(0);
}

.offnav::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(254,123,2,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.offnav-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.offnav-close span,
.offnav-close span {
  display: block;
  position: absolute;
  width: 28px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
}

.offnav-close span:first-child {
  transform: rotate(45deg);
}

.offnav-close span:last-child {
  transform: rotate(-45deg);
}

.offnav-close:hover span {
  background: var(--primary);
}

.offnav-list {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.offnav-list li {
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.offnav-list a {
  display: block;
  padding: 20px 0;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--white);
  transition: color 0.2s, padding-left 0.3s;
}

.offnav-list a:hover {
  color: var(--primary);
  padding-left: 12px;
}

.offnav-list a.active {
  color: var(--primary);
}

/* Desktop: show nav inline */
@media (min-width: 1024px) {
  .offnav {
    transform: translateX(0);
    position: static;
    width: auto;
    max-width: none;
    height: auto;
    background: transparent;
    padding: 0;
    flex-direction: row;
    align-items: center;
  }

  .offnav::before {
    display: none;
  }

  .offnav-close {
    display: none;
  }

  .offnav-list {
    margin-top: 0;
    flex-direction: row;
    gap: 32px;
  }

  .offnav-list li {
    border-bottom: none;
  }

  .offnav-list a {
    padding: 0;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .offnav-list a:hover {
    padding-left: 0;
    color: var(--primary);
  }

  .menu-toggle {
    display: none;
  }
}

/* ===== HERO ===== */
.hero {
  background: var(--dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 40px 60px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 900px;
  margin-bottom: 48px;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--primary);
  opacity: 0.9;
  max-width: 600px;
}

.btn-plus {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s;
}

.btn-plus:hover {
  transform: scale(1.1);
}

/* Hero background carousel (ajout demandé) */
.hero-bg-carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.4s ease-in-out;
}

.hero-bg-slide.active {
  opacity: 1;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.55) 0%, rgba(17,17,17,0.45) 100%);
}

/* ===== PROJECTS / SERVICES ===== */
.projects {
  background: var(--dark-soft);
  padding: 80px 40px;
}

.projects-header {
  max-width: 1400px;
  margin: 0 auto 40px;
}

.projects-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  color: var(--white);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1400px;
  margin: 0 auto;
}

.project-card {
  display: block;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  transition: transform 0.3s;
}

.project-card:hover {
  transform: translateY(-4px);
}

.project-card-large {
  grid-column: span 2;
  grid-row: span 1;
}

.project-img {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.project-card-large .project-img {
  aspect-ratio: 16/9;
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.project-card:hover .project-img img {
  transform: scale(1.05);
}

.project-info {
  padding: 20px 16px;
  background: var(--dark);
}

.project-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--white);
}

.project-desc {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 10px;
  line-height: 1.5;
}

.project-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--primary);
  border: none;
  padding: 4px 12px;
  border-radius: 20px;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary);
  margin-top: 40px;
  transition: gap 0.3s;
}

.link-more:hover {
  gap: 14px;
}

.link-more-light {
  color: var(--dark);
}

/* ===== TEAM / QUI SOMMES-NOUS ===== */
.team {
  background: var(--dark-soft);
  padding: 80px 0;
}

.team-header {
  padding: 0 40px;
  margin-bottom: 48px;
}

.team-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 400;
  color: var(--white);
  line-height: 1;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 0 40px;
}

.team-member {
  aspect-ratio: 1/1;
  overflow: hidden;
  border-radius: 4px;
  position: relative;
}

.team-member img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter 0.4s, transform 0.4s;
}

.team-member:hover img {
  filter: grayscale(0%);
  transform: scale(1.05);
}

.team-highlight {
  grid-column: span 2;
  grid-row: span 2;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.team-highlight.highlight-secondary {
  background: var(--secondary);
}

.team-highlight-inner {
  text-align: center;
}

.team-highlight-inner p {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 24px;
}

.team-highlight.highlight-secondary .team-highlight-inner p {
  color: var(--white);
}

.btn-plus-white {
  display: inline-flex;
  transition: transform 0.3s;
}

.btn-plus-white:hover {
  transform: scale(1.1);
}

/* ===== À PROPOS (image + texte) ===== */
.about {
  padding: 80px 40px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-img {
  border-radius: 8px;
  overflow: hidden;
}

.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 400;
  color: var(--white);
  margin-bottom: 20px;
}

.about-text p {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

/* ===== CARNET / RÉALISATIONS ===== */
.carnet {
  background: var(--primary);
  padding: 100px 40px 80px;
  position: relative;
  overflow: hidden;
}

.carnet::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(5,0,0,0.05);
  pointer-events: none;
}

.carnet-header {
  margin-bottom: 56px;
  text-align: center;
}

.carnet-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 400;
  font-style: italic;
  color: var(--dark);
  line-height: 1;
}

.carnet-articles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1200px;
  margin: 0 auto;
}

.carnet-article {
  display: block;
  border-radius: 12px;
  overflow: hidden;
  background: var(--dark);
  transition: transform 0.3s;
}

.carnet-article:hover {
  transform: translateY(-4px);
}

.carnet-article-img {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.carnet-article-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.carnet-article:hover .carnet-article-img img {
  transform: scale(1.05);
}

.carnet-article-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--white);
  padding: 20px 20px 6px;
}

.carnet-article-tag {
  display: block;
  padding: 0 20px 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary);
}

/* ===== PAGE HERO (pages internes : à propos, compétences, réalisations, contact...) ===== */
.page-hero {
  background: var(--dark-soft);
  padding: 160px 40px 70px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -60px;
  left: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(254,123,2,0.08);
  pointer-events: none;
}

.page-hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  color: var(--white);
  max-width: 800px;
  line-height: 1.2;
}

.page-hero p {
  margin-top: 20px;
  max-width: 640px;
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* ===== PAGE SECTION générique (texte de contenu) ===== */
.page-section {
  padding: 80px 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.page-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 400;
  color: var(--white);
  margin-bottom: 24px;
}

.page-section p {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 18px;
  max-width: 760px;
}

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

.page-section-alt {
  background: var(--dark-soft);
}

/* ===== CONTACT ===== */
.contact-wrap {
  background: var(--dark-soft);
  padding: 0 0 90px;
}

.contact-grid {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 400;
  color: var(--white);
  margin-bottom: 20px;
}

.contact-info p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 14px;
  line-height: 1.6;
}

.contact-info a {
  color: var(--primary);
  font-weight: 600;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 6px;
  background: rgba(255,255,255,0.05);
  color: var(--white);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.2s;
}

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

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--secondary);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--gray-mid);
}

.contact-form button {
  align-self: flex-start;
  padding: 14px 36px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.contact-form button:hover {
  background: #e06e00;
  transform: translateY(-1px);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark-soft);
  padding: 60px 40px 20px;
  color: var(--white);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.footer-contact {
  flex: 1;
  min-width: 280px;
}

.footer-hello {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.footer-email {
  font-size: 1rem;
  font-weight: 500;
  color: var(--primary);
  transition: opacity 0.2s;
}

.footer-email:hover {
  opacity: 0.7;
}

.footer-newsletter {
  flex: 1;
  min-width: 300px;
  max-width: 480px;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.newsletter-input {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 6px;
  background: rgba(255,255,255,0.05);
  color: var(--white);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.2s;
}

.newsletter-input:focus {
  border-color: var(--primary);
}

.newsletter-input::placeholder {
  color: var(--gray-mid);
}

.newsletter-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 0.8rem;
  line-height: 1.5;
  color: rgba(255,255,255,0.6);
}

.newsletter-checkbox input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.newsletter-btn {
  align-self: flex-start;
  padding: 14px 36px;
  background: var(--white);
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.newsletter-btn:hover {
  background: var(--gray-light);
  transform: translateY(-1px);
}

.footer-middle {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
}

.footer-nav a {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--primary);
}

.footer-address p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 16px;
}

.footer-socials {
  display: flex;
  gap: 16px;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  transition: border-color 0.2s, background 0.2s;
}

.social-icon:hover {
  border-color: var(--primary);
  background: rgba(254,123,2,0.1);
}

.social-icon.social-secondary:hover {
  border-color: var(--secondary);
  background: rgba(4,87,220,0.1);
}

.social-icon svg {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding-top: 20px;
}

.footer-bottom a {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  transition: color 0.2s;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1023px) {
  .header {
    padding: 16px 24px;
  }

  .hero {
    padding: 120px 24px 48px;
  }

  .projects {
    padding: 60px 24px;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .project-card-large {
    grid-column: span 2;
  }

  .team {
    padding: 60px 0;
  }

  .about {
    padding: 60px 24px;
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .team-header,
  .team-grid {
    padding: 0 24px;
  }

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

  .team-highlight {
    grid-column: span 2;
    grid-row: span 2;
  }

  .carnet {
    padding: 60px 24px;
  }

  .carnet-articles {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .footer {
    padding: 48px 24px 16px;
  }

  .page-hero {
    padding: 140px 24px 56px;
  }

  .page-section {
    padding: 60px 24px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    padding: 0 24px;
    gap: 40px;
  }
}

@media (max-width: 680px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-card-large {
    grid-column: span 1;
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .team-highlight {
    grid-column: span 2;
    grid-row: span 1;
    padding: 28px 20px;
  }

  .carnet-articles {
    grid-template-columns: 1fr;
  }

  .footer-top {
    flex-direction: column;
  }

  .footer-middle {
    flex-direction: column;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }
}