/* Terien — shared site styles
   Colors, type, and spacing pulled directly from the approved Claude Design files. */

:root {
  --bg: #FAFAF7;
  --bg-cream: #F4F2EA;
  --bg-cream-border: #E7E4D8;
  --ink: #23261F;
  --ink-soft: #4C5145;
  --ink-mute: #5A5F52;
  --line: #E4E5DE;
  --green-dark: #1C3F2B;
  --green-mid: #2F6B41;
  --green-bright: #6EA83C;
  --green-pale: #8FC45A;
  --green-hover-bg: #245036;
  --footer-bg: #121412;
  --footer-text: #C8CCC2;
  --footer-text-hover: #FFFFFF;
  --footer-copy: #7C807A;
  --placeholder-bg: #ECEEE6;
  --placeholder-border: #DEE1D6;
  --placeholder-text: #8A9080;
  --input-border: #DEDBCE;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
}

body {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1 1 auto; }

a { color: var(--green-mid); text-decoration: none; }
a:hover { color: var(--green-bright); }

img { max-width: 100%; }

.mono {
  font-family: 'IBM Plex Mono', monospace;
}

.wrap {
  max-width: 1440px;
  margin: 0 auto;
}

/* ---------- Header / Nav ---------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 26px 64px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 30;
}

.site-header .logo img {
  height: 58px;
  width: auto;
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 38px;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}

.site-nav > a {
  color: #6B6F63;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}

.site-nav > a:hover,
.site-nav > a.current {
  color: var(--ink);
}

.site-nav > a.current {
  color: var(--ink);
  border-bottom-color: var(--green-bright);
}

.nav-dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-dropdown > a {
  color: #6B6F63;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}
.nav-dropdown > a:hover,
.nav-dropdown.current > a {
  color: var(--ink);
}
.nav-dropdown.current > a {
  border-bottom-color: var(--green-bright);
}

.nav-dropdown-panel {
  position: absolute;
  top: 100%;
  left: -18px;
  padding-top: 14px;
  min-width: 208px;
  display: none;
  z-index: 40;
}

.nav-dropdown:hover .nav-dropdown-panel,
.nav-dropdown.open .nav-dropdown-panel {
  display: block;
}

.nav-dropdown-inner {
  background: #FFFFFF;
  border: 1px solid var(--line);
  box-shadow: 0 14px 34px rgba(28,63,43,0.13);
  padding: 8px 0;
}

.nav-dropdown-inner a {
  display: block;
  padding: 12px 20px;
  color: var(--ink-soft);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: none;
}
.nav-dropdown-inner a:hover {
  background: var(--bg-cream);
  color: var(--green-dark);
}
.nav-dropdown-inner a.current {
  background: var(--bg-cream);
  color: var(--green-dark);
}

/* Mobile nav toggle button (hidden on desktop) */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex: none;
}
.nav-toggle svg { display: block; }

/* ---------- Footer ---------- */

.site-footer {
  padding: 42px 64px 38px;
  background: var(--footer-bg);
}

.site-footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.site-footer .logo img {
  height: 41px;
  width: auto;
  display: block;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 14px;
  letter-spacing: 0.04em;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--footer-text);
}
.footer-links a:hover {
  color: var(--footer-text-hover);
}

.footer-copy {
  font-size: 13px;
  color: var(--footer-copy);
  margin: 0;
}

/* ---------- Buttons ---------- */

.btn-primary {
  display: inline-block;
  background: var(--green-dark);
  color: #FFFFFF;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 20px 36px;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--green-mid);
  color: #FFFFFF;
}

/* ---------- Mobile ---------- */

@media (max-width: 860px) {
  .site-header { padding: 20px 24px; }
  .site-header .logo img { height: 44px; }

  .nav-toggle { display: block; }

  .site-nav {
    position: fixed;
    top: 82px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 32px;
    overflow-y: auto;
    display: none;
    z-index: 25;
  }

  .site-nav.mobile-open { display: flex; }

  .site-nav > a,
  .nav-dropdown {
    width: 100%;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-dropdown {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-dropdown > a {
    width: 100%;
    padding: 0;
    border-bottom: none;
  }

  .nav-dropdown-panel {
    position: static;
    padding-top: 14px;
    min-width: 0;
    width: 100%;
  }

  .nav-dropdown-inner {
    border: none;
    box-shadow: none;
    background: var(--bg-cream);
    padding: 4px 0;
  }

  .nav-dropdown-inner a { padding: 12px 16px; }

  section, .wrap { padding-left: 24px !important; padding-right: 24px !important; }
}