/* ── Fonts ─────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=Space+Grotesk:wght@500;600&display=swap');

/* ── Variables ───────────────────────────────────────────── */
:root {
  --bg: #111111;
  --bg-elevated: #161616;
  --text: #e8e6e3;
  --text-secondary: #8a8680;
  --text-muted: #444;
  --border: rgba(255,255,255,0.05);
  --champagne: #c9a87c;
  --champagne-dim: rgba(201,168,124,0.10);
  --max-width: 1100px;
  --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Noise texture overlay ─────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  opacity: 0.04;
  pointer-events: none;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Scroll reveal ─────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 1s var(--ease-premium), transform 1s var(--ease-premium);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Nav ───────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(17,17,17,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 22px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
  transition: opacity 0.35s var(--ease-premium);
  z-index: 2;
}
.logo:hover { opacity: 0.85; }
.logo-img {
  display: block;
  height: 36px;
  width: auto;
}
.logo-img-footer {
  height: 28px;
  opacity: 0.7;
}
.logo-footer:hover .logo-img-footer { opacity: 0.95; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 2;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--text-secondary);
  transition: transform 0.35s var(--ease-premium), opacity 0.25s ease;
}
.nav-toggle.is-open span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}
.nav-toggle.is-open span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}
.nav-links a {
  font-size: 13px;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  transition: color 0.4s var(--ease-premium);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 1px;
  background: var(--champagne);
  transition: width 0.4s var(--ease-premium);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 140px 48px 100px;
  position: relative;
}
.hero-label {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeIn 1.2s 0.1s forwards var(--ease-premium);
}
.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(44px, 6.5vw, 80px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -2.5px;
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeIn 1.2s 0.3s forwards var(--ease-premium);
}
.hero-line {
  width: 64px;
  height: 1px;
  background: var(--champagne);
  margin-bottom: 32px;
  opacity: 0;
  animation: growLine 1s 0.6s forwards var(--ease-premium);
}
.hero-sub {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.65;
  opacity: 0;
  animation: fadeIn 1.2s 0.9s forwards var(--ease-premium);
}

@keyframes fadeIn { to { opacity: 1; } }
@keyframes growLine { from { width: 0; } to { width: 64px; } }

/* ── Sections ──────────────────────────────────────────────── */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 100px 48px;
}
.section + .section { border-top: 1px solid var(--border); }

.label {
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 56px;
}

/* ── About ─────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}
.about-text p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 22px;
}
.about-text strong { color: var(--text); font-weight: 500; }
.about-media {
  position: relative;
  overflow: hidden;
  border-radius: 3px;
}
.about-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(201,168,124,0.06), transparent 60%);
  pointer-events: none;
  transition: opacity 0.8s ease;
}
.about-media:hover::after {
  background: linear-gradient(135deg, rgba(201,168,124,0.12), transparent 60%);
}
.about-media img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  filter: grayscale(55%) contrast(1.1) brightness(0.5);
  transition: filter 1.4s ease, transform 1.4s ease;
}
.about-media:hover img {
  filter: grayscale(25%) contrast(1.05) brightness(0.6);
  transform: scale(1.04);
}

/* ── Row list (Approach + Products) ────────────────────────── */
.row-list { border-top: 1px solid var(--border); }
.row {
  display: flex;
  align-items: baseline;
  gap: 36px;
  padding: 30px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  cursor: default;
  transition: padding-left 0.6s var(--ease-premium);
}
.row::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: var(--champagne);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.6s var(--ease-premium);
}
.row:hover { padding-left: 24px; }
.row:hover::before { transform: scaleY(1); }
.row:last-child { border-bottom: none; }

.row-num {
  font-size: 13px;
  color: var(--text-muted);
  opacity: 0.3;
  font-variant-numeric: tabular-nums;
  min-width: 30px;
  transition: opacity 0.5s ease, color 0.5s ease;
}
.row:hover .row-num {
  opacity: 1;
  color: var(--champagne);
}
.row-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 500;
  width: 240px;
  min-width: 240px;
  flex-shrink: 0;
  letter-spacing: -0.4px;
}
.row-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
  max-width: 520px;
}

/* ── Accordion (Blog / FAQ) ────────────────────────────────── */
.accordion { border-top: 1px solid var(--border); }
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 26px 0;
  cursor: pointer;
  transition: opacity 0.3s ease;
}
.accordion-header:hover { opacity: 0.7; }
.accordion-header h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
  padding-right: 24px;
  letter-spacing: -0.2px;
}
.accordion-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 500;
  color: var(--champagne);
  margin-right: 24px;
  min-width: 36px;
  opacity: 0.7;
}
.accordion-icon {
  font-size: 22px;
  color: var(--text-muted);
  transition: transform 0.4s var(--ease-premium);
  flex-shrink: 0;
  line-height: 1;
}
.accordion-item.active .accordion-icon { transform: rotate(45deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease-premium), padding 0.5s var(--ease-premium);
}
.accordion-item.active .accordion-body {
  max-height: 2200px;
  padding-bottom: 28px;
}
.accordion-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 14px;
}
.accordion-body p:last-child { margin-bottom: 0; }

/* ── CTA ───────────────────────────────────────────────────── */
.cta {
  padding: 120px 48px;
  text-align: center;
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
}
.cta::before {
  content: '';
  position: absolute;
  left: 50%; top: 0;
  transform: translateX(-50%);
  width: 1px; height: 80px;
  background: linear-gradient(to bottom, transparent, var(--champagne), transparent);
  opacity: 0.35;
}
.cta-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 500;
  letter-spacing: -1px;
  margin-bottom: 14px;
}
.cta-sub {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 36px;
}
.cta-link {
  font-size: 14px;
  color: var(--champagne);
  border-bottom: 1px solid rgba(201,168,124,0.3);
  padding-bottom: 3px;
  transition: border-color 0.5s var(--ease-premium), letter-spacing 0.5s var(--ease-premium);
  letter-spacing: 0.5px;
}
.cta-link:hover {
  border-color: var(--champagne);
  letter-spacing: 2px;
}

/* ── Contact grid ──────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}
.contact-info h4 {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-weight: 500;
}
.contact-info p,
.contact-info a {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
}
.contact-info a:hover { color: var(--text); }
.locations { margin-top: 36px; }

.lang-switcher {
  margin-top: 40px;
  font-size: 12px;
  color: var(--text-muted);
}
.lang-switcher button {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 12px;
  font-family: 'Space Grotesk', sans-serif;
  padding: 0;
  margin: 0 4px;
  transition: color 0.3s ease;
  letter-spacing: 0.5px;
}
.lang-switcher button:hover,
.lang-switcher button.active {
  color: var(--champagne);
}

/* ── Footer ──────────────────────────────────────────────────── */
.footer-bar {
  border-top: 1px solid var(--border);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-inner { padding: 18px 24px; }
  .nav-links {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: fixed;
    inset: 0;
    padding: 96px 32px 48px;
    background: rgba(17,17,17,0.97);
    backdrop-filter: blur(16px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.35s var(--ease-premium), visibility 0.35s;
    z-index: 1;
  }
  .nav-links.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav-links li {
    border-bottom: 1px solid var(--border);
  }
  .nav-links a {
    display: block;
    padding: 18px 0;
    font-size: 18px;
    font-family: 'Space Grotesk', sans-serif;
    color: var(--text);
    letter-spacing: -0.2px;
  }
  .nav-links a::after { display: none; }
  .hero { padding: 80px 24px 60px; }
  .section { padding: 64px 24px; }
  .cta { padding: 80px 24px; }
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .row { flex-direction: column; gap: 8px; padding: 24px 0; }
  .row-title {
    width: auto;
    min-width: 0;
    flex-shrink: 1;
    font-size: 19px;
  }
  .row:hover { padding-left: 12px; }
  .hero-title { font-size: 36px; letter-spacing: -1px; }
  .cta-title { font-size: 26px; }
  .footer-bar { padding: 28px 24px; flex-direction: column; gap: 16px; align-items: flex-start; }
  body.nav-open { overflow: hidden; }
}
