/* ── Variables ── */
:root {
  --bg:      #F3ECE0;
  --surface: #FAF6EE;
  --text:    #2A1800;
  --text2:   #8A7055;
  --accent:  #A8803C;
  --border:  #DDD0BA;
  --max-width: 1400px;
  --header-height: 68px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Jost', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-name {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.site-name img {
  height: 36px;
  width: auto;
  display: block;
}
.site-nav {
  display: flex;
  gap: 36px;
  align-items: center;
}
.site-nav a {
  font-family: 'Jost', sans-serif;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text2);
  transition: color 0.2s;
}
.site-nav a:hover,
.site-nav a.active { color: var(--text); }

/* Mobile nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 640px) {
  .header-inner { padding: 0 20px; }
  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 0;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 20px; width: 100%; }
}

/* ── Main / Footer ── */
main { flex: 1; }
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 40px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 20px;
  font-size: 0.75rem;
  color: var(--text2);
  letter-spacing: 0.04em;
}
.footer-social {
  display: flex;
  align-items: center;
  gap: 18px;
}
.footer-follow {
  font-size: 0.75rem;
  color: var(--text2);
  letter-spacing: 0.04em;
}
.footer-divider {
  color: var(--border);
  font-size: 0.75rem;
  user-select: none;
}
.footer-social a {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--text2);
  transition: color 0.2s;
}
.footer-social a:hover { color: var(--text); }

/* ── Footer links ── */
.site-footer a {
  color: var(--text2);
  transition: color 0.2s;
}
.site-footer a:hover { color: var(--text); }

/* ── Back to top ── */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--text);
  color: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, background 0.2s;
  z-index: 50;
  border: none;
}
.scroll-top.visible { opacity: 1; pointer-events: all; }
.scroll-top:hover   { background: var(--accent); }

/* ── Page wrapper (About, Contact) ── */
.page-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 56px 40px;
}
@media (max-width: 640px) {
  .page-content { padding: 40px 20px; }
  .site-footer {
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 24px 20px;
    text-align: center;
  }
  .footer-social {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 16px;
  }
  .footer-follow,
  .footer-divider { display: none; }
}