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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.header {
  position:fixed;
  background-color: #000;          /* fond noir */
  color: #fff;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  margin-top: 0
}

@media (max-width: 768px) {
  .header {
    position:static /* garde fixed sur mobile */
  }

  
}

.header .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 7px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;  /* logo à gauche, liens à droite */
}

.logo img {
  height:auto;
  width: 100px;
  display: block;
  margin: 0;
}

.nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 25px;
  font-size: 14px;
  text-transform: uppercase;
}

.nav a:hover {
  text-decoration: underline;
}

.hero {
  background: #000;
  color: #fff;
  padding: 120px 20px;
  padding-top: 150px;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 36px;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero p {
  font-size: 18px;
  max-width: 600px;
  margin-bottom: 30px;
}

.btn-primary {
  display: inline-block;
  padding: 12px 24px;
  background-color: #2da9dc;
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 14px;
  letter-spacing: 0.05em;
  border-radius: 3px;
}

.btn-primary:hover {
  background-color: #25e445;
}

.services {
  padding: 80px 20px;
  background-color: #fff;
}

.services .container {
  max-width: 1200px;
  margin: 0 auto;
}

.services h2 {
  font-size: 28px;
  margin-bottom: 40px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.services-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.service-card {
  flex: 1;
  min-width: 260px;
  background-color: #2da9dc;
  padding: 25px;
  border-radius: 6px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

.service-card h3 {
  font-size: 20px;
  margin-bottom: 15px;
}

.service-card p {
  font-size: 15px;
  line-height: 1.5;
}

.about {
  padding: 80px 20px;
  background-color: #ffffff;
}

.about-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

.about-text {
  flex: 2;
  min-width: 280px;
}

.about-side {
  flex: 1;
  min-width: 260px;
  background-color: #f5f5f5;
  padding: 20px 25px;
  border-radius: 6px;
}

.about h2 {
  font-size: 28px;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.about p {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 15px;
}

.about-side h3 {
  font-size: 18px;
  margin-bottom: 15px;
}

.about-side ul {
  list-style: disc;
  padding-left: 20px;
}

.about-side li {
  margin-bottom: 8px;
  font-size: 15px;
}

.works {
  padding: 80px 20px;
  background-color: #ffffff;
}

.works .container {
  max-width: 1200px;
  margin: 0 auto;
}

.works h2 {
  font-size: 28px;
  margin-bottom: 40px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.works-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.work-card {
  flex: 1;
  min-width: 260px;
  background-color: #2da9dc;
  padding: 25px;
  border-radius: 6px;
}

.work-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.work-card p {
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 12px;
}

.work-tag {
  display: inline-block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #555;
}

.contact {
  padding: 80px 20px;
  background-color: #f5f5f5;
}

.contact-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: flex-start;
}

.contact-text {
  flex: 1;
  min-width: 260px;
}

.contact-text h2 {
  font-size: 28px;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-text p {
  font-size: 16px;
  line-height: 1.6;
}

.contact-form {
  flex: 1;
  min-width: 280px;
  background-color: #fff;
  padding: 25px 20px;
  border-radius: 6px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  border-color: #2da9dc;
}

.form-row {
  margin-bottom: 15px;
}

.form-row label {
  display: block;
  font-size: 14px;
  margin-bottom: 5px;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font: inherit;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: #ff6600;
  box-shadow: 0 0 0 1px rgba(255, 102, 0, 0.2);
}

.footer {
  background-color: #000;
  color: #ccc;

}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

.footer-col {
  flex: 1;
  min-width: 220px;
}

.footer h3,
.footer h4 {
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 14px;
  margin-bottom: 15px;
}

.footer p {
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 10px;
}

.footer ul {
  list-style: none;
  padding: 0;
}

.footer li {
  margin-bottom: 6px;
}

.footer a {
  color: #ccc;
  text-decoration: none;
  font-size: 14px;
}

.footer a:hover {
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid #222;
  padding: 15px 20px;
  font-size: 13px;
  color: #777;
}

.footer-bottom div{
    display: flex;
}

.footer-bottom img{
  height: 25px;
  margin-right: 10px;
}

/* =====================
   MENU BURGER
   ===================== */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1100;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #fff;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* État ouvert du burger */
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =====================
   RESPONSIVE — TABLETTE (≤ 768px)
   ===================== */
@media (max-width: 768px) {

  /* --- Header & nav burger --- */
  .nav-toggle {
    display: flex;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #000;
    padding: 20px;
    flex-direction: column;
    gap: 16px;
    z-index: 1050;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    margin-left: 0;
    font-size: 16px;
    padding: 8px 0;
    border-bottom: 1px solid #222;
  }

  .header .container {
    position: relative;
  }

  /* --- Hero --- */
  .hero {
    padding: 70px 20px 60px;
  }

  .hero h1 {
    font-size: 26px;
  }

  .hero p {
    font-size: 16px;
  }

  /* --- Services & Works : cartes pleine largeur --- */
  .service-card,
  .work-card {
    min-width: 100%;
    flex: 1 1 100%;
  }

  /* --- About : colonne unique --- */
  .about-inner {
    flex-direction: column;
  }

  .about-text,
  .about-side {
    min-width: 100%;
    flex: 1 1 100%;
  }

  /* --- Contact : colonne unique --- */
  .contact-inner {
    flex-direction: column;
  }

  .contact-text,
  .contact-form {
    min-width: 100%;
    flex: 1 1 100%;
  }

  /* --- Titres de sections --- */
  .services h2,
  .about h2,
  .works h2,
  .contact-text h2 {
    font-size: 22px;
  }

  /* --- Footer --- */
  .footer-col {
    min-width: 100%;
    flex: 1 1 100%;
  }

  .footer-bottom .container {
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-align: center;
  }
}

/* =====================
   RESPONSIVE — MOBILE (≤ 480px)
   ===================== */
@media (max-width: 480px) {

  .hero h1 {
    font-size: 22px;
  }

  .hero p {
    font-size: 15px;
  }

  .btn-primary {
    width: 100%;
    text-align: center;
    padding: 14px 20px;
  }

  .logo img {
    width: 120px;
  }
}