/* -------------------- GLOBAL -------------------- */
body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  color: #333;
  line-height: 1.6;
}

/* Les boutons et les champs utilisent la même police que le reste du site. */
button,
input,
textarea,
select {
  font-family: Arial, sans-serif;
}

/* -------------------- HEADER -------------------- */

header {
  position: sticky;
  top: 0;
  z-index: 1000;

  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 15px 30px;
  background: #fff;

  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);

  /* Rétraction du header au défilement - bloc facile à retirer. */
  will-change: transform;
}

.logo img {
  display: block;
  height: 70px;
}

nav ul {
  display: flex;
  align-items: center;
  gap: 35px;

  margin: 0;
  padding: 0;

  list-style: none;
}

nav a {
  color: #111;
  font-size: 15px;
  font-weight: 400;
  text-decoration: none;

  transition: color 0.25s ease;
}

nav a:hover,
nav a.active {
  color: #48b245;
}

.menu-toggle {
  display: none;

  margin-left: auto;
  padding: 5px;

  background: none;
  border: none;

  color: #111;
  font-size: 32px;
  line-height: 1;

  cursor: pointer;
}

/* Tablettes et téléphones */

@media screen and (max-width: 768px) {

  header {
    flex-wrap: wrap;
    padding: 12px 20px;
  }

  .logo img {
    height: 55px;
  }

  .menu-toggle {
    display: block;
  }

  nav {
    display: none;
    width: 100%;
  }

  nav.open {
    display: block;
  }

  nav ul {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;

    width: 100%;
    margin-top: 15px;
  }

  nav li {
    border-top: 1px solid #eee;
  }

  nav a {
    display: block;
    padding: 14px 0;
  }
}
/* -------------------- ACCUEIL -------------------- */
.page-home {
  background: #f4f4f2;
}

.page-home .home-main {
  padding: 0;
}

.page-home footer {
  margin-top: 0;
}

.home-hero {
  position: relative;
  display: flex;
  min-height: calc(100vh - 100px);
  padding: clamp(60px, 8vw, 110px) clamp(24px, 8vw, 120px);
  overflow: hidden;
  box-sizing: border-box;
  color: #fff;
  background:
    linear-gradient(
      90deg,
      rgba(10, 10, 10, 0.76) 0%,
      rgba(10, 10, 10, 0.48) 48%,
      rgba(10, 10, 10, 0.08) 100%
    ),
    url("img/FOND_ACCUEIL.jpg") center / cover no-repeat;
}

.home-hero-content {
  position: relative;
  z-index: 1;
  align-self: center;
  width: min(720px, 100%);
}

.home-kicker {
  margin: 0 0 22px;
  color: #8bd388;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.home-hero h1 {
  margin: 0;
  color: #fff;
  font-size: 80px;
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.85;
  text-transform: uppercase;
}

.home-introduction {
  max-width: 590px;
  margin: 36px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  line-height: 1.65;
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.home-button {
  display: inline-block;
  padding: 13px 21px;
  border: 1px solid #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease,
    color 0.25s ease;
}

.home-button-primary {
  border-color: #48b245;
  background: #48b245;
  color: #fff;
}

.home-button-primary:hover,
.home-button-primary:focus-visible {
  border-color: #fff;
  background: #fff;
  color: #111;
}

.home-button-secondary {
  color: #fff;
}

.home-button-secondary:hover,
.home-button-secondary:focus-visible {
  background: #fff;
  color: #111;
}

.home-expertise {
  position: absolute;
  right: clamp(24px, 5vw, 70px);
  bottom: 28px;
  z-index: 1;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

@media screen and (max-width: 768px) {
  .home-hero {
    min-height: calc(100vh - 80px);
    background:
      linear-gradient(
        90deg,
        rgba(10, 10, 10, 0.76),
        rgba(10, 10, 10, 0.32)
      ),
      url("img/FOND_ACCUEIL.jpg") center / cover no-repeat;
  }

  .home-expertise {
    display: none;
  }
}

@media screen and (max-width: 520px) {
  .home-hero {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .home-hero h1 {
    font-size: 50px;
  }

  .home-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .home-button {
    text-align: center;
  }
}
/* -------------------- L'ATELIER -------------------- */

.page-atelier {
  background: #f4f4f2;
}

.page-atelier .atelier-main {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: clamp(60px, 8vw, 100px) clamp(24px, 7vw, 80px);
}

.atelier-intro {
  padding-bottom: clamp(50px, 7vw, 80px);
  border-bottom: 1px solid #bbb;
}

.atelier-kicker {
  margin: 0 0 18px;
  color: #48b245;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.atelier-intro h1 {
  margin: 0;
  color: #111;
  font-size: clamp(3.4rem, 8vw, 7rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.9;
  text-transform: uppercase;
}

.atelier-section {
  display: grid;
  grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr);
  gap: clamp(35px, 7vw, 90px);
  padding: clamp(50px, 7vw, 80px) 0;
  border-bottom: 1px solid #bbb;
}

.atelier-section h2 {
  margin: 0;
  color: #111;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.atelier-text {
  max-width: 720px;
}

.atelier-text p {
  margin: 0;
  color: #444;
  font-size: 1rem;
  line-height: 1.8;
}

.atelier-text p + p,
.atelier-activities + p {
  margin-top: 24px;
}

.atelier-activities {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.atelier-activities li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-top: 1px solid #d5d5d2;
  color: #222;
}

.atelier-activities li:last-child {
  border-bottom: 1px solid #d5d5d2;
}

.atelier-activities li::before {
  content: "";
  position: absolute;
  top: 22px;
  left: 0;
  width: 7px;
  height: 7px;
  background: #48b245;
}

.atelier-team {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(30px, 5vw, 65px);
}

.team-member {
  padding: 24px 0;
  border-top: 1px solid #d5d5d2;
}

.team-member:nth-last-child(-n + 2) {
  border-bottom: 1px solid #d5d5d2;
}

.team-member h3 {
  margin: 0 0 6px;
  color: #111;
  font-size: 1rem;
}

.team-member p {
  margin: 0;
  color: #555;
  font-size: 0.9rem;
  line-height: 1.6;
}

.team-member p:last-child {
  color: #777;
}

.page-atelier footer {
  margin-top: 0;
}

@media screen and (max-width: 720px) {
  .page-atelier .atelier-main {
    padding-top: 50px;
    padding-bottom: 65px;
  }

  .atelier-section {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media screen and (max-width: 520px) {
  .atelier-team {
    grid-template-columns: 1fr;
  }

  .team-member:nth-last-child(2) {
    border-bottom: 0;
  }
}

/* -------------------- TITRES DE PAGE -------------------- */
.page-title {
  text-align: center;
  padding: 20px 20px 5px 20px;
}

.page-title h1 {
  margin: 0;
  font-size: 2.5rem;
  letter-spacing: 8px;
  font-weight: 400;
}

.page-title hr {
  border: none;
  border-top: 1px solid #111;
  width: 80%;
  margin: 20px auto;
}

.page-title h2 {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 3px;
}

/* -------------------- CONTENU -------------------- */
main {
  max-width: none;
  width: 100%;
  margin: auto;
  padding: 0 30px 40px 20px;
  box-sizing: border-box;
}

.section {
  max-width: 1000px;
  margin: 60px auto;
  padding: 0 20px;
}

.section h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.underline {
  width: 60px;
  height: 3px;
  background: #111;
  margin-bottom: 20px;
}

ul {
  margin: 15px 0 30px 20px;
}


/* -------------------- PORTFOLIO -------------------- */
/* -------------------- PORTFOLIO -------------------- */

.portfolio-main {
  width: 100%;
  padding: 20px clamp(20px, 8vw, 190px) 0;
  box-sizing: border-box;
}

.portfolio-filtres {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;

  gap: 18px;
  margin-bottom: 35px;
}

.filtre {
  padding: 9px 18px;

  background: transparent;
  border: 0;

  font: inherit;
  font-size: 12px;
  text-transform: uppercase;

  cursor: pointer;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

.filtre:hover,
.filtre.actif {
  background: #48b245;
  color: white;
}

/* 4 projets par ligne */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 30px;

  width: 100%;
  max-width: 1150px;
  margin: 0 auto;
}

.portfolio-card {
  position: relative;
  overflow: hidden;
  background: transparent;
}

.portfolio-card.masque {
  display: none;
}

.portfolio-card a {
  position: relative;
  display: block;
  overflow: hidden;

  color: white;
  text-decoration: none;
}

.portfolio-image {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.portfolio-image img {
  display: block;
  width: 100%;
  height: 100%;

  object-fit: cover;

  transition:
    transform 0.8s cubic-bezier(0.19, 1, 0.22, 1),
    filter 0.35s ease;
}

.portfolio-overlay {
  display: none;
}

.portfolio-content {
  position: absolute;
  inset: 0;
  z-index: 2;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  padding: 25px;
  box-sizing: border-box;

  text-align: center;
  color: white;

  opacity: 0;
  transform: translateY(15px);

  transition:
    opacity 0.35s ease,
    transform 0.35s ease;
}

.portfolio-content h3 {
  margin: 0;
  color: #ffffff;
  font-size: 14px;
  font-weight: 400;
  font-style: normal;
  text-transform: uppercase;
  letter-spacing: normal;
}

.portfolio-content p {
  position: relative;

  margin: 17px 0 0;
  padding-top: 15px;

  color: #ffffff;
  font-size: 15px;
  font-style: italic;
  text-transform: none;
}

.portfolio-content p::before {
  content: "";

  position: absolute;
  top: 0;
  left: 50%;

  width: 55px;
  height: 1px;

  background: white;
  transform: translateX(-50%);
}

.portfolio-card:hover .portfolio-image img {
  transform: scale(1.06);
  filter: brightness(0.75);
}

.portfolio-card a:focus-visible .portfolio-image img {
  filter: brightness(0.78);
}

.portfolio-card:hover .portfolio-content,
.portfolio-card a:focus-visible .portfolio-content {
  opacity: 1;
  transform: translateY(0);
}

/* Tablette */

@media screen and (max-width: 900px) {
  .portfolio-main {
    padding-left: 20px;
    padding-right: 20px;
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 15px;
  }
}

/* Téléphone */

@media screen and (max-width: 600px) {
  .portfolio-main {
    padding-left: 12px;
    padding-right: 12px;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .portfolio-content {
    opacity: 1;
    transform: none;
  }

  .portfolio-content h3 {
    font-size: 15px;
  }

  .portfolio-content p {
    font-size: 14px;
  }
}
/* -------------------- CONTACT -------------------- */

.page-contact {
  background: #f4f4f2;
}

.page-contact .contact-main {
  width: min(1180px, 100%);
  min-height: calc(100vh - 190px);
  margin: 0 auto;
  padding: clamp(60px, 9vw, 120px) clamp(24px, 7vw, 80px);
  box-sizing: border-box;
}

/* Introduction */

.contact-intro {
  max-width: 790px;
  margin-bottom: clamp(45px, 7vw, 80px);
}

.contact-kicker {
  margin: 0 0 18px;
  color: #48b245;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.contact-intro h1 {
  max-width: 720px;
  margin: 0 0 28px;
  color: #111;
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 0.98;
}

.contact-intro > p:last-child {
  max-width: 680px;
  margin: 0;
  color: #555;
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  line-height: 1.75;
}

/* Panneau des coordonnées */

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.8fr);
  border-top: 1px solid #bbb;
  border-bottom: 1px solid #bbb;
}

.contact-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(30px, 5vw, 70px);
  padding: 48px clamp(30px, 5vw, 70px) 48px 0;
}

.contact-block h2,
.contact-project h2 {
  margin: 0 0 20px;
  color: #111;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-block p,
.contact-block address {
  margin: 0;
  color: #333;
  font-size: 1rem;
  font-style: normal;
  line-height: 1.8;
}

.contact-block p + p {
  margin-top: 14px;
}

.contact-label {
  display: block;
  color: #777;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
}

/* Liens téléphone et e-mail */

.contact-block a {
  color: #111;
  text-decoration-color: transparent;
  text-underline-offset: 4px;
  transition:
    color 0.25s ease,
    text-decoration-color 0.25s ease;
}

.contact-block a:hover,
.contact-block a:focus-visible {
  color: #48b245;
  text-decoration-color: currentColor;
}

/* Présentation du projet */

.contact-project {
  padding: 48px 0 48px clamp(30px, 5vw, 70px);
  border-left: 1px solid #bbb;
}

.contact-project p {
  max-width: 420px;
  margin: 0 0 30px;
  color: #555;
  line-height: 1.75;
}

/* Bouton d’e-mail */

.contact-button {
  display: inline-block;
  padding: 13px 22px;
  border: 1px solid #111;
  color: #111;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease,
    color 0.25s ease;
}

.contact-button:hover,
.contact-button:focus-visible {
  border-color: #48b245;
  background: #48b245;
  color: #fff;
}

/* -------------------- CONTACT : TABLETTE -------------------- */

@media screen and (max-width: 820px) {
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .contact-details {
    padding-right: 0;
  }

  .contact-project {
    padding-left: 0;
    border-top: 1px solid #bbb;
    border-left: 0;
  }
}

/* -------------------- CONTACT : TÉLÉPHONE -------------------- */

@media screen and (max-width: 560px) {
  .page-contact .contact-main {
    padding-top: 48px;
    padding-bottom: 64px;
  }

  .contact-intro {
    margin-bottom: 42px;
  }

  .contact-details {
    grid-template-columns: 1fr;
    padding: 36px 0;
  }

  .contact-project {
    padding: 36px 0;
  }
}
/* -------------------- FOOTER -------------------- */
footer {
  background: #fff;
  text-align: center;
  padding: 15px;
  font-size: 14px;
  margin-top: 40px;
  box-shadow: 0 -2px 4px rgba(0,0,0,0.1);
}