/* ── Variables ─────────────────────────────────────────── */
:root {
  --bg:        #F5F3EE;
  --bg-alt:    #EAE8E2;
  --bg-card:   #FFFFFF;
  --text:      #1A1F1C;
  --text-2:    #5C6B62;
  --text-3:    #8FA898;
  --accent:    #2D5BE3;
  --accent-2:  #E4EBF9;
  --green:     #4A7C59;
  --green-2:   #DDE8E2;
  --border:    #D9DDD8;
  --border-2:  #BFC7BC;
  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 20px;
  --font-sans: 'Outfit', 'Helvetica Neue', sans-serif;
  --max-w:     1100px;
  --nav-h:     64px;
  --transition: 0.2s ease;
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ── Layout ────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}
section { padding: 96px 0; }
.section-label {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1.5rem;
}
.section-title {
  font-family: var(--font-sans);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.section-sub {
  font-size: 16px;
  color: var(--text-2);
  max-width: 560px;
  margin-bottom: 3rem;
}

/* ── NAV ───────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(245,243,238,0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: 0 1px 16px rgba(0,0,0,0.06); }
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav-logo {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}
.nav-links a {
  font-size: 14px;
  color: var(--text-2);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--text); background: var(--bg-alt); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Lang toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px;
}
.lang-btn {
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 5px;
  border: none;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.lang-btn.active {
  background: var(--bg-card);
  color: var(--text);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.lang-btn:hover:not(.active) { color: var(--text); }

/* CTA button */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: #2449c0;
  border-color: #2449c0;
}
.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border-2);
}
.btn-secondary:hover {
  background: var(--bg-alt);
  border-color: var(--border-2);
}
.btn-accent {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}
.btn-accent:hover { background: #3a6347; border-color: #3a6347; }

/* Mobile nav toggle */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.25s ease;
}

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem 2rem;
  z-index: 99;
  flex-direction: column;
  gap: 0.25rem;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-size: 16px;
  color: var(--text-2);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-mobile a:hover { color: var(--text); background: var(--bg-alt); }
.nav-mobile .btn { margin-top: 0.5rem; width: 100%; justify-content: center; }

/* ── Scroll offset for anchors ─────────────────────────── */
section[id], div[id] { scroll-margin-top: calc(var(--nav-h) + 16px); }

/* ── Divider ───────────────────────────────────────────── */
.divider { width: 100%; height: 1px; background: var(--border); }

/* ── Fade-in on scroll ─────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}