/* ============================================================
   site.css — Core site chrome: nav, footer, base typography
   ============================================================ */

@import url('colors.css');

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--surface-bg);
  color: var(--c-ink-900);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img { max-width: 100%; display: block; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255,254,251,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--surface-border);
}

.site-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-logo { flex-shrink: 0; line-height: 0; }
.site-logo img { width: 200px; height: auto; }
.site-logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--c-green-700);
}

.site-menu {
  display: flex;
  gap: 6px;
  flex: 1;
}
.site-menu a {
  text-decoration: none;
  color: var(--c-ink-700);
  font-size: 14.5px;
  font-weight: 600;
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  transition: background var(--dur-fast), color var(--dur-fast);
}
.site-menu a:hover { background: var(--c-green-50); color: var(--c-green-700); }

.site-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--c-paper-100);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  width: 240px;
  transition: width var(--dur-med) var(--ease-out), border-color var(--dur-fast);
}
.site-search:focus-within {
  width: 300px;
  border-color: var(--c-green-400);
  box-shadow: var(--shadow-glow);
}
.site-search svg { width: 16px; height: 16px; color: var(--c-ink-300); flex-shrink: 0; }
.site-search input {
  border: none; background: none; outline: none;
  font-size: 13.5px; width: 100%; color: var(--c-ink-900); font-family: var(--font-body);
}

.site-menu-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 38px; height: 38px;
  color: var(--c-green-700);
}
.site-menu-toggle svg { width: 24px; height: 24px; }

.site-menu-mobile {
  display: none;
  flex-direction: column;
  padding: 8px 24px 18px;
  gap: 4px;
  border-top: 1px solid var(--surface-border);
}
.site-menu-mobile.open { display: flex; }
.site-menu-mobile a {
  text-decoration: none; color: var(--c-ink-700);
  font-weight: 600; font-size: 15px; padding: 10px 4px;
  border-bottom: 1px solid var(--surface-border);
}
.site-search-mobile { width: 100%; margin-top: 8px; }

@media (max-width: 900px) {
  .site-menu, .site-search { display: none; }
  .site-menu-toggle { display: flex; align-items: center; justify-content: center; }
  .site-nav-inner { padding: 12px 20px; }
  .site-logo img { width: 150px; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--c-green-900);
  color: rgba(255,255,255,.78);
  margin-top: 80px;
}

.site-footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 24px 40px;
  display: grid;
  grid-template-columns: 1.6fr repeat(5, 1fr);
  gap: 36px;
}
@media (max-width: 1080px) {
  .site-footer-inner { grid-template-columns: repeat(3, 1fr); }
  .footer-brand-col { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .site-footer-inner { grid-template-columns: repeat(2, 1fr); }
  .footer-brand-col { grid-column: 1 / -1; }
}

.footer-logo img { width: 180px; height: auto; }
.footer-logo-text {
  font-family: var(--font-display);
  font-weight: 700; font-size: 1.3rem; color: #fff;
}
.footer-trustline {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 13px; color: rgba(255,255,255,.65);
  margin: 16px 0 18px; max-width: 30ch;
}
.footer-trustline svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; color: var(--c-green-400); }

.footer-socials { display: flex; gap: 10px; }
.footer-socials a {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.08);
  border-radius: 50%;
  color: rgba(255,255,255,.8);
  transition: background var(--dur-fast), transform var(--dur-fast);
}
.footer-socials a:hover { background: var(--c-green-500); transform: translateY(-2px); }
.footer-socials svg { width: 16px; height: 16px; }

.footer-col h5 {
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: #fff;
  margin: 0 0 16px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  text-decoration: none; font-size: 13.5px; color: rgba(255,255,255,.65);
  transition: color var(--dur-fast);
}
.footer-col a:hover { color: #fff; }
.footer-muted { font-size: 13px; color: rgba(255,255,255,.4); }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); }
.footer-bottom-inner {
  max-width: 1280px; margin: 0 auto; padding: 22px 24px;
  display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
}
.footer-bottom-inner p { margin: 0; font-size: 12px; color: rgba(255,255,255,.5); }
.footer-disclaimer { max-width: 60ch; text-align: right; }
@media (max-width: 700px) { .footer-disclaimer { text-align: left; } }

/* ============================================================
   404 PAGE
   ============================================================ */
.error-page {
  min-height: 60vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 80px 24px;
}
.error-page .code {
  font-family: var(--font-display); font-size: 5rem; font-weight: 700;
  color: var(--c-green-500); line-height: 1; margin-bottom: 12px;
}
.error-page h1 { font-family: var(--font-display); font-size: 1.6rem; margin: 0 0 10px; }
.error-page p { color: var(--c-ink-500); margin: 0 0 28px; }
.error-page a {
  background: var(--grad-hero); color: #fff; text-decoration: none;
  padding: 12px 28px; border-radius: var(--radius-pill); font-weight: 600; font-size: 14px;
}