:root {
  --plide-navy: #08264f;
  --plide-ink: #10233d;
  --plide-accent: #ff6f48;
  --plide-cream: #f6f1e8;
  --plide-sand: #ebe4d8;
  --plide-mist: #eef3f8;
  --plide-blue-band:
    linear-gradient(135deg, rgba(8, 38, 79, 0.97), rgba(18, 57, 110, 0.9)),
    radial-gradient(circle at top right, rgba(255, 111, 72, 0.22), transparent 34%);
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--plide-ink);
  background: #fff;
}

.site-header {
  color: #fff;
  background: var(--plide-blue-band);
}

.navbar {
  position: relative;
  z-index: 2;
}

.navbar-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
}

.brand-logo {
  width: 180px;
  height: 180px;
  object-fit: contain;
}

.brand-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: #fff;
  display: none;
}

.site-nav {
  margin-left: auto;
}

.lang-menu,
.lang-switcher.is-dropdown {
  position: relative;
  margin-left: 0.75rem;
}

.lang-menu summary,
.lang-switcher.is-dropdown > button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-width: 3.25rem;
  height: 2.4rem;
  padding: 0 0.8rem;
  list-style: none;
  color: #fff;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  line-height: 1;
}

.lang-switcher.is-dropdown > button {
  cursor: pointer;
}

.lang-menu summary::-webkit-details-marker {
  display: none;
}

.lang-menu summary::after,
.lang-switcher.is-dropdown > button::after {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-0.05rem);
}

.lang-menu[open] summary::after,
.lang-switcher.is-dropdown.is-open > button::after {
  transform: rotate(-135deg) translateY(-0.02rem);
}

.lang-current {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.lang-flag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.lang-flag::before {
  content: "";
  width: 1rem;
  height: 0.7rem;
  border-radius: 0.15rem;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  box-shadow: 0 0 0 1px rgba(16, 35, 61, 0.08) inset;
}

.lang-flag[lang="fr"]::before {
  background-image: url("https://upload.wikimedia.org/wikipedia/commons/c/c3/Flag_of_France.svg");
}

.lang-flag[lang="en"]::before {
  background-image: url("https://upload.wikimedia.org/wikipedia/commons/8/83/Flag_of_the_United_Kingdom_%283-5%29.svg");
}

.lang-menu summary:focus-visible,
.lang-switcher.is-dropdown > button:focus-visible {
  outline: 3px solid rgba(255, 111, 72, 0.45);
  outline-offset: 3px;
}

.lang-menu-panel,
.lang-switcher.is-dropdown .lang-menu-panel {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 8rem;
  padding: 0.4rem;
  background: #fff;
  border: 1px solid rgba(8, 38, 79, 0.1);
  border-radius: 1rem;
  box-shadow: 0 18px 42px rgba(16, 35, 61, 0.18);
}

.lang-switcher.is-dropdown .lang-menu-panel {
  display: none;
}

.lang-switcher.is-dropdown.is-open .lang-menu-panel {
  display: block;
}

.lang-option {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  width: 100%;
  padding: 0.65rem 0.8rem;
  color: var(--plide-ink);
  text-decoration: none;
  border-radius: 0.7rem;
}

.lang-option:hover,
.lang-option:focus-visible,
.lang-option[aria-current="true"] {
  background: var(--plide-mist);
}

.site-nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.mobile-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.3rem;
  width: 3rem;
  height: 3rem;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
}

.mobile-nav-toggle span {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: #fff;
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-nav-toggle:focus-visible {
  outline: 3px solid rgba(255, 111, 72, 0.45);
  outline-offset: 3px;
}

.navbar.is-open .mobile-nav-toggle span:nth-child(1) {
  transform: translateY(0.4rem) rotate(45deg);
}

.navbar.is-open .mobile-nav-toggle span:nth-child(2) {
  opacity: 0;
}

.navbar.is-open .mobile-nav-toggle span:nth-child(3) {
  transform: translateY(-0.4rem) rotate(-45deg);
}

.nav-menu-dropdown {
  position: relative;
}

.nav-menu-dropdown summary {
  list-style: none;
}

.nav-menu-dropdown summary::-webkit-details-marker {
  display: none;
}

.nav-menu-panel {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 220px;
  padding: 0.55rem;
  background: #fff;
  border: 1px solid rgba(8, 38, 79, 0.1);
  border-radius: 1rem;
  box-shadow: 0 18px 42px rgba(16, 35, 61, 0.18);
}

.nav-menu-panel a {
  display: block;
  padding: 0.7rem 0.85rem;
  color: var(--plide-ink);
  text-decoration: none;
  border-radius: 0.75rem;
}

.nav-menu-panel a:hover,
.nav-menu-panel a:focus {
  background: var(--plide-mist);
}

.hero-section {
  padding: 3rem 0 5rem;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.text-accent {
  color: var(--plide-accent);
}

.hero-copy {
  max-width: 42rem;
  font-size: 1.08rem;
  line-height: 1.8;
}

.hero-visual {
  position: relative;
  min-height: 100%;
}

.hero-image {
  display: block;
  width: 100%;
  min-height: 420px;
  object-fit: cover;
  border-radius: 1.75rem;
  box-shadow: 0 28px 70px rgba(7, 24, 48, 0.32);
}

.hero-image-16x9 {
  min-height: 0;
  aspect-ratio: 16 / 9;
}

.hero-card {
  position: absolute;
  right: -1rem;
  bottom: -2rem;
  width: min(330px, 92%);
  padding: 1.4rem 1.5rem;
  color: var(--plide-ink);
  background: rgba(255, 248, 240, 0.96);
  border-radius: 1.25rem;
}

.hero-card-title {
  margin-bottom: 0.75rem;
  font-size: 1rem;
  font-weight: 700;
}

.hero-card-list {
  margin: 0;
  padding-left: 1rem;
  line-height: 1.7;
}

.btn-accent {
  color: #fff;
  background: var(--plide-accent);
  border-color: var(--plide-accent);
}

.btn-accent:hover,
.btn-accent:focus {
  color: #fff;
  background: #ef6137;
  border-color: #ef6137;
}

.section-pad {
  padding: 5rem 0;
  background: #fff;
}

.section-soft {
  background: var(--plide-blue-band) !important;
  color: #fff;
}

main > .section-pad:nth-of-type(2n),
.contact-section {
  background: var(--plide-blue-band) !important;
  color: #fff;
}

main > .section-pad:nth-of-type(2n) .section-heading .text-secondary,
main > .section-pad:nth-of-type(2n) > .container > .text-secondary,
.section-soft .text-secondary,
.contact-section .contact-copy,
.contact-section .text-secondary {
  color: rgba(255, 255, 255, 0.78) !important;
}

.section-heading {
  max-width: 48rem;
  margin-bottom: 2rem;
}

.feature-card,
.mini-card,
.panel,
.project-card,
.guarantee-box {
  color: var(--plide-ink);
  border: 1px solid rgba(8, 38, 79, 0.08);
  border-radius: 1.5rem;
  background: #fff;
}

.feature-card {
  padding: 1.5rem;
  box-shadow: 0 14px 32px rgba(16, 35, 61, 0.06);
}

.feature-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
}

.feature-card p,
.mini-card p,
.contact-copy,
.project-list,
.lead {
  line-height: 1.75;
}

.panel {
  padding: 2rem;
  box-shadow: 0 18px 42px rgba(16, 35, 61, 0.06);
}

.mini-card {
  height: 100%;
  padding: 1.25rem;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.mini-card h3 {
  font-size: 1rem;
  margin-bottom: 0.6rem;
}

.partner-note {
  color: #5f6f82;
  font-style: italic;
}

.image-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at top left, rgba(255, 111, 72, 0.18), transparent 35%),
    linear-gradient(180deg, #f8fbff 0%, #eef3f8 100%);
}

.interface-shot {
  width: 100%;
  object-fit: contain;
}

.project-card {
  overflow: hidden;
  border-radius: 1.5rem;
}

.project-media-link {
  display: block;
  overflow: hidden;
}

.project-media-link:focus-visible {
  outline: 3px solid rgba(255, 111, 72, 0.45);
  outline-offset: 3px;
}

.project-image {
  width: 100%;
  height: 260px;
  object-fit: cover;
  background: var(--plide-sand);
  transition: transform 0.35s ease;
}

.project-media-link:hover .project-image,
.project-media-link:focus-visible .project-image {
  transform: scale(1.03);
}

.project-list {
  margin: 0;
  padding-left: 1rem;
  color: #42556d;
}

.project-summary {
  margin-bottom: 1rem;
  color: #42556d;
  line-height: 1.75;
}

.portfolio-note {
  max-width: 46rem;
  margin: 2rem auto 0;
  text-align: center;
}

.guarantee-section {
  background: linear-gradient(180deg, var(--plide-cream) 0%, #fff 100%);
}

.guarantee-box {
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 20px 50px rgba(16, 35, 61, 0.08);
}

.contact-section {
  background: var(--plide-blue-band) !important;
  color: #fff;
}

.contact-section .btn-outline-dark {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
}

.contact-section .btn-outline-dark:hover,
.contact-section .btn-outline-dark:focus {
  color: var(--plide-ink);
  background: #fff;
  border-color: #fff;
}

main > .section-pad:nth-of-type(2n) > .container .portfolio-note .btn-outline-dark {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
}

main > .section-pad:nth-of-type(2n) > .container .portfolio-note .btn-outline-dark:hover,
main > .section-pad:nth-of-type(2n) > .container .portfolio-note .btn-outline-dark:focus {
  color: var(--plide-ink);
  background: #fff;
  border-color: #fff;
}

@media (max-width: 991.98px) {
  .container > .navbar-shell {
    position: relative;
  }

  .mobile-nav-toggle {
    display: inline-flex;
  }

  .lang-menu {
    margin-left: auto;
    margin-right: 0.5rem;
  }

  .lang-menu-panel {
    right: 0;
    left: auto;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    left: 0;
    display: none;
    padding: 0.75rem;
    background: rgba(8, 38, 79, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 1.25rem;
    box-shadow: 0 22px 50px rgba(5, 18, 37, 0.35);
    backdrop-filter: blur(10px);
  }

  .navbar.is-open .site-nav {
    display: block;
  }

  .site-nav-links {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav-links .btn,
  .site-nav-links summary {
    width: 100%;
    text-align: left;
  }

  .nav-menu-panel {
    position: static;
    margin-top: 0.5rem;
    right: auto;
    left: 0;
    min-width: 0;
  }

  .hero-section {
    padding-top: 1.5rem;
  }

  .hero-card {
    position: static;
    width: 100%;
    margin-top: 1rem;
  }

  .hero-image {
    min-height: 320px;
  }
}

@media (max-width: 575.98px) {
  .navbar-shell {
    gap: 0.75rem;
  }

  .section-pad {
    padding: 3.5rem 0;
  }

  .hero-copy {
    font-size: 1rem;
  }

  .project-image {
    height: 220px;
  }

  .panel,
  .guarantee-box {
    padding: 1.5rem;
  }
}