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

html {
  scroll-behavior: smooth;
}

body {
  background: #000;
  color: #f5f5f5;
  font-family: 'Montserrat', sans-serif;
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 2.5rem;
  background: linear-gradient(180deg, rgba(6,6,6,0.92) 0%, rgba(6,6,6,0.7) 70%, transparent 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s ease, padding 0.4s ease;
}

#nav.scrolled {
  border-bottom-color: rgba(94,208,211,0.2);
}

.nav-logo {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  height: 44px;
}

.nav-logo img {
  height: 100%;
  width: auto;
  display: block;
  transition: opacity 0.3s ease;
}

.nav-logo:hover img {
  opacity: 0.85;
}

.nav-logo::before {
  content: '';
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
  transform: skewX(-20deg);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-logo:hover::before {
  opacity: 1;
  animation: logoShine 0.7s ease forwards;
}

@keyframes logoShine {
  0% { left: -75%; }
  100% { left: 125%; }
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links {
  display: flex;
  gap: 2.2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #888785;
  text-decoration: none;
  transition: color 0.5s ease, letter-spacing 0.5s cubic-bezier(0.22,1,0.36,1), transform 0.4s ease;
  position: relative;
  display: inline-block;
}

.nav-links a:hover {
  color: #EAEAEA;
  letter-spacing: 0.32em;
  transform: translateY(-1px);
}

#nav .lang-switcher {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  position: static;
}

#nav .lang-switcher button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  opacity: 0.3;
  transition: opacity 0.4s ease;
}

#nav .lang-switcher button svg {
  width: 22px;
  height: 14px;
  display: block;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

#nav .lang-switcher button:hover {
  opacity: 0.65;
}

#nav .lang-switcher button.active {
  opacity: 1;
}

#nav .lang-switcher button.active svg {
  box-shadow: 0 0 0 1.5px rgba(94,208,211,0.2);
}

#nav .lang-sep {
  width: 1px;
  height: 10px;
  background: #4A4A4D;
}

.bg-wrap {
  position: fixed;
  inset: 0;
  z-index: -3;
  overflow: hidden;
}

.bg-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.78) 0%, rgba(0,0,0,0.88) 45%, rgba(0,0,0,0.96) 100%);
  z-index: 1;
}

.bg-wrap img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  will-change: transform;
  z-index: 0;
}

.bg-vignette {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.55) 100%);
}

.bg-grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.04em;
}

.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1.4s cubic-bezier(0.22, 1, 0.36, 1),
              transform 1.4s cubic-bezier(0.22, 1, 0.36, 1),
              filter 1.4s cubic-bezier(0.22, 1, 0.36, 1);
  filter: blur(4px);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0px);
}

.reveal[data-stagger="0"] { transition-delay: 0ms; }
.reveal[data-stagger="1"] { transition-delay: 120ms; }
.reveal[data-stagger="2"] { transition-delay: 240ms; }
.reveal[data-stagger="3"] { transition-delay: 360ms; }
.reveal[data-stagger="4"] { transition-delay: 480ms; }

.shimmer-text {
  position: relative;
  display: inline-block;
  background: linear-gradient(120deg, #fff 30%, rgba(255,255,255,0.55) 45%, #fff 60%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 6s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { background-position: 100% 0; }
  50% { background-position: -100% 0; }
}

.line-reveal {
  width: 0%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  margin: 0 auto;
  transition: width 2s cubic-bezier(0.22, 1, 0.36, 1);
}

.line-reveal.visible {
  width: 60%;
}

section {
  padding: 7rem 2rem;
  position: relative;
}

.section-inner {
  max-width: 720px;
  margin: 0 auto;
}

.presentation {
  padding-top: 11rem;
}

.presentation p {
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  color: #c8c6c3;
  margin-bottom: 1.8rem;
  text-align: center;
  letter-spacing: 0.015em;
}

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

.contact {
  padding: 4rem 2rem;
}

.contact .section-inner {
  text-align: center;
}

.contact h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin-bottom: 2rem;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.address-card {
  margin-bottom: 2rem;
  text-align: center;
}

.address-card .address-company {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 400;
  color: #fff;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.15rem;
}

.address-activity {
  font-size: 0.78rem;
  color: #888785;
  letter-spacing: 0.04em;
  font-style: italic;
  margin-bottom: 1rem;
}

.address-separator {
  width: 40px;
  height: 1px;
  background: rgba(255,255,255,0.2);
  margin: 0 auto 1rem;
}

.address-block {
  margin-bottom: 0.3rem;
  font-style: normal;
}

.address-block .address-street {
  font-size: 0.95rem;
  color: #c8c6c3;
  letter-spacing: 0.04em;
  margin-bottom: 0.1rem;
}

.address-block .address-postal {
  font-size: 0.9rem;
  color: #b5b3b0;
  letter-spacing: 0.04em;
  margin-bottom: 0.1rem;
}

.address-block .address-country {
  font-size: 0.75rem;
  color: #8a8885;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.address-email-row {
  margin-top: 0.8rem;
}

.address-email {
  font-size: 0.9rem;
  color: #b5b3b0;
  text-decoration: none;
  letter-spacing: 0.04em;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  padding-bottom: 0.15rem;
  transition: color 0.4s ease, border-color 0.4s ease;
}

.address-email:hover {
  color: #fff;
  border-bottom-color: rgba(255,255,255,0.5);
}

.map-wrapper {
  width: 100%;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
  transition: box-shadow 0.4s ease, transform 0.4s ease;
}

.map-wrapper:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  transform: translateY(-2px);
}

.map-wrapper iframe {
  display: block;
  width: 100%;
  height: 360px;
  border: 0;
}

.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 3.5rem;
  gap: 1rem;
}

.divider span {
  width: 40px;
  height: 1px;
  background: rgba(255,255,255,0.25);
}

.divider::before,
.divider::after {
  content: '';
  width: 4px;
  height: 4px;
  border: 1px solid rgba(255,255,255,0.3);
  transform: rotate(45deg);
}

.footer {
  text-align: center;
  padding: 2.5rem 2rem;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.2);
  letter-spacing: 0.12em;
  font-weight: 300;
}

@media (max-width: 900px) {
  #nav { padding: 1.2rem 1.5rem; }
  .nav-right { gap: 1.5rem; }
  .nav-links { gap: 1.5rem; }
  .nav-logo { height: 36px; }
}

@media (max-width: 600px) {
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: 0.6rem; letter-spacing: 0.18em; }
}

@media (max-width: 480px) {
  #nav { padding: 1rem 1rem; }
  .nav-logo { height: 28px; }
  .nav-right { gap: 0.8rem; }
  .nav-links { gap: 0.7rem; }
  .nav-links a { font-size: 0.55rem; letter-spacing: 0.14em; }
  #nav .lang-switcher button svg { width: 18px; height: 12px; }
  section {
    padding: 4.5rem 1.5rem;
  }
  .contact {
    padding: 3rem 1rem;
  }
  .presentation {
    padding-top: 8rem;
  }
  .map-wrapper iframe {
    height: 280px;
  }
  .address-card .address-company {
    font-size: 1.25rem;
  }
  .address-activity {
    font-size: 0.75rem;
  }
  .contact h2 {
    margin-bottom: 2.5rem;
  }
  .line-reveal.visible {
    width: 80%;
  }
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4, 1rem);
  background: #5ED0D3;
  color: #000;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: 0 0 4px 4px;
  z-index: 999;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
  .line-reveal {
    width: 60% !important;
  }
}