/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --ink:         #0e0e0d;
  --ink-soft:    #3d3d3a;
  --ink-muted:   #7a7a76;
  --paper:       #f7f5f0;
  --paper-warm:  #ece8df;
  --paper-mid:   #e4dfd4;
  --accent:      #1a5c3a;
  --accent-dark: #0f3d26;
  --accent-lt:   #e6efe9;
  --white:       #ffffff;
  --rule:        rgba(14,14,13,0.1);
  --rule-mid:    rgba(14,14,13,0.18);
  --serif:       'Cormorant Garamond', Georgia, serif;
  --mono:        'DM Mono', monospace;
  --sans:        'Outfit', sans-serif;
  --nav-h:       72px;
  --ease:        cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* ============================================================
   LAYOUT
   ============================================================ */
.container { max-width: 1200px; margin: 0 auto; padding: 0 48px; }
@media (max-width: 768px) { .container { padding: 0 24px; } }

/* ============================================================
   LANGUAGE TOGGLE
   ============================================================ */
.lang-bar {
  position: fixed;
  top: 20px;
  right: 48px;
  display: flex;
  z-index: 1000;
  border: 0.5px solid var(--rule-mid);
  overflow: hidden;
  transition: border-color 0.3s;
}
.lang-btn {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  padding: 6px 11px;
  background: transparent;
  color: var(--ink-muted);
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.lang-btn.active { background: var(--ink); color: var(--paper); }
.lang-btn:hover:not(.active) { background: var(--paper-warm); }
@media (max-width: 768px) { .lang-bar { right: 24px; } }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 900;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s;
  border-bottom: 0.5px solid transparent;
}
.nav.scrolled {
  background: rgba(247, 245, 240, 0.96);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--rule);
  box-shadow: 0 1px 24px rgba(14,14,13,0.06);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--ink);
  white-space: nowrap;
}
.nav-logo span { font-style: italic; color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 11px;
  font-weight: 400;
  color: var(--ink-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 0.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--accent); }
.nav-cta {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 10px 20px;
  background: var(--accent);
  color: var(--white) !important;
  transition: background 0.2s !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--accent-dark) !important; color: var(--white) !important; }
.nav-mobile-toggle { display: none; }
@media (max-width: 768px) {
  .nav-inner { padding: 0 24px; }
  .nav-links { display: none; }
  .nav-mobile-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
  }
  .nav-mobile-toggle span {
    display: block;
    width: 22px;
    height: 0.5px;
    background: var(--ink);
    transition: transform 0.3s;
  }
  .nav.mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--paper);
    padding: 32px 24px;
    gap: 24px;
    border-bottom: 0.5px solid var(--rule);
  }
}

/* ============================================================
   PAGE TOP PADDING
   ============================================================ */
.page-top { padding-top: var(--nav-h); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 28px;
  cursor: pointer;
  border: none;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}
.btn:active { transform: scale(0.98); }
.btn-dark { background: var(--ink); color: var(--paper); }
.btn-dark:hover { background: var(--accent); }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 0.5px solid var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-accent { background: var(--accent); color: var(--white); }
.btn-accent:hover { background: var(--accent-dark); }

/* ============================================================
   SECTION COMMONS
   ============================================================ */
.section { padding: 100px 0; }
.section-sm { padding: 64px 0; }
.section-rule { border-top: 0.5px solid var(--rule); }
.section-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 0.5px;
  background: var(--accent);
  flex-shrink: 0;
}
.section-h2 {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.section-h2 em { font-style: italic; color: var(--accent); }
.section-body {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.8;
  font-weight: 300;
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  border-top: 0.5px solid var(--rule);
  background: var(--paper);
  padding: 40px 0;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-name {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 300;
  color: var(--ink-muted);
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 11px;
  color: var(--ink-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }
@media (max-width: 768px) {
  .footer-inner { padding: 0 24px; flex-direction: column; text-align: center; }
}