* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #f5f7fb;
}

.page-header {
  max-width: 1100px;
  margin: 0 auto;
  padding: 70px 24px 35px;
  text-align: center;
}

.page-header .eyebrow {
  margin: 0 0 12px;
  color: #ff9c2e;
  font-weight: bold;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.page-header h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.page-header p {
  max-width: 760px;
  margin: 20px auto 0;
  color: #cbd3df;
  font-size: 1.1rem;
  line-height: 1.7;
}

.content-grid {
  max-width: 1100px;
  margin: 0 auto;
  padding: 30px 24px 70px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.service-card,
.info-card,
.price-card,
.contact-card {
  padding: 28px;
  background: #1a2332;
  border: 1px solid #e08a1e;
  border-radius: 12px;
}

.service-card h2,
.info-card h2,
.price-card h2,
.contact-card h2 {
  margin-top: 0;
}

.service-card p,
.info-card p,
.price-card p,
.contact-card p {
  color: #d7dde7;
  line-height: 1.7;
}

.platforms {
  max-width: 1100px;
  margin: 0 auto 35px;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.platform {
  padding: 10px 16px;
  color: #fff;
  background: #111a29;
  border: 1px solid #ff9c2e;
  border-radius: 999px;
  font-weight: bold;
}

.wide {
  grid-column: 1 / -1;
}

.steps {
  counter-reset: steps;
  list-style: none;
  padding: 0;
}

.steps li {
  counter-increment: steps;
  position: relative;
  padding: 0 0 20px 48px;
  color: #d7dde7;
  line-height: 1.6;
}

.steps li::before {
  content: counter(steps);
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  color: #010615;
  background: #ff9c2e;
  border-radius: 50%;
  font-weight: bold;
}

.price {
  margin: 8px 0;
  color: #ff9c2e;
  font-size: 2rem;
  font-weight: bold;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin-top: 28px;
}

.button {
  display: inline-block;
  padding: 13px 22px;
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  border: 2px solid #ff9c2e;
  border-radius: 10px;
  transition: .25s ease;
}

.button.primary,
.button:hover {
  color: #07101f;
  background: #ff9c2e;
  box-shadow: 0 0 18px rgba(255, 156, 46, .35);
}

.contact-list {
  padding: 0;
  list-style: none;
}

.contact-list li {
  margin: 14px 0;
}

.contact-list a {
  color: #ffb45f;
}

.notice {
  max-width: 1050px;
  margin: 0 auto 70px;
  padding: 22px 24px;
  color: #d7dde7;
  background: #111a29;
  border-left: 4px solid #ff9c2e;
  line-height: 1.7;
}

@media (max-width: 800px) {
  nav,
  .nav-banderole {
    width: 100%;
    height: auto;
    padding: 16px;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
    font-size: 16px;
  }

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

  .wide {
    grid-column: auto;
  }

  .page-header {
    padding-top: 45px;
  }
}

nav a[aria-current="page"] {
  color: #f4a261;
}

@media (max-width: 800px) {
  .hero-logo {
    height: auto;
  }

  .banderole-publicite {
    height: auto;
    min-height: 150px;
    object-fit: cover;
  }

  .btn-invisible {
    left: auto;
    top: auto;
    right: 8%;
    bottom: 18%;
    width: auto;
    height: auto;
    padding: 10px 16px;
  }

  .container2 {
    min-width: 0;
    width: 100%;
    padding: 0 16px;
    flex-wrap: wrap;
  }

  .card2 {
    flex: 1 1 280px;
    width: auto;
  }

  .card2-image {
    height: auto;
    aspect-ratio: 16 / 10;
    object-fit: cover;
  }
}

/* Bandeau visible des cinq projets */
.project-strip {
  width: 100%;
  height: 162px;
  overflow: hidden;
  background: #0a0f18;
}

.project-strip img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.page-header {
  background: transparent;
}

.nav-banderole {
  height: auto;
  min-height: 72px;
  background-color: #080d18;
  background-image: none;
  align-items: center;
}

.page-header .button:not(.primary) {
  background: #111a29;
}

@media (max-width: 800px) {
  .project-strip {
    height: 105px;
  }

  .project-strip img {
    object-fit: cover;
  }
}

/* Bouton principal de la banderole d'accueil */
.btn-invisible {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  min-width: 190px;
  height: auto;
  min-height: 52px;
  padding: 12px 24px;
  white-space: nowrap;
  line-height: 1.2;
}