/* TerraIQ — site / marketing surfaces (light theme)
   Builds on colors_and_type.css base tokens, adds light-mode + brand-green palette. */

:root {
  /* ─── Editorial palette (matches the Flask search & PDF dossier) ─── */
  --parchment:          #F2EDE0;   /* page background */
  --surface:            #FFFFFF;   /* card surfaces */
  --dark-green:         #1F3A2A;   /* primary brand */
  --dark-green-soft:    #2C4A38;   /* hover / softer green */
  --olive-gold:         #B89146;   /* accent #1 */
  --olive-light:        #C19A4A;   /* accent #2 */
  --score-good:         #688A57;
  --score-ok:           #C19A4A;
  --score-bad:          #A0473D;
  --text-body:          #2C3530;
  --text-muted:         #7A7368;
  --rule:               #E0DCD0;
  --rule-soft:          #ECE7DA;
  --info-cream:         #FAF6EB;

  /* Legacy aliases kept so older pages still resolve */
  --brand-green:        var(--dark-green);          /* 1F3A2A — primary */
  --brand-green-deep:   var(--dark-green-soft);     /* hover */
  --brand-green-faint:  var(--info-cream);
  --brand-green-tint:   var(--info-cream);
  --m-bg:               var(--parchment);
  --m-bg-alt:           var(--info-cream);
  --m-bg-sand:          #ECE7D8;
  --m-fg-1:             var(--text-body);
  --m-fg-2:             #3A4239;
  --m-fg-3:             var(--text-muted);
  --m-fg-4:             #9A9388;
  --m-border:           var(--rule);
  --m-rule:             var(--dark-green);

  /* Marketing button on dark green base */
  --btn-on-green-bg:    #ffffff;
  --btn-on-green-fg:    var(--dark-green);

  --m-shadow-card: 0 1px 0 rgba(0,0,0,0.02), 0 8px 24px -12px rgba(31, 58, 42, 0.16);
}

/* ---------- Site shell ---------- */
.site {
  background: var(--m-bg);
  color: var(--m-fg-1);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- Top nav ---------- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 36px;
  border-bottom: 1px solid var(--m-border);
  background: var(--m-bg);
  position: sticky; top: 0; z-index: 50;
}
.nav .brand {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--brand-green);
  text-decoration: none;
  display: inline-block;
  line-height: 1.05;
}
.nav .brand .wordmark {
  display: block;
  white-space: nowrap;
}
.nav .brand .tagline {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--brand-green);
  letter-spacing: 0.3px;
  font-style: italic;
  text-transform: none;
  margin-top: 3px;
  opacity: 0.82;
  white-space: nowrap;
}
.nav .brand .iq { color: var(--m-fg-1); }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  color: var(--m-fg-2);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  transition: background 150ms ease, color 150ms ease;
}
.nav-links a:hover {
  color: var(--brand-green);
  background: var(--info-cream, #FAF6EB);
}
.nav-links a.active {
  color: var(--brand-green);
  background: var(--info-cream, #FAF6EB);
  font-weight: 600;
}
.nav-cta { display: flex; gap: 10px; align-items: center; }

/* ---------- Mobile nav (collapse) ----------
   Without this, the horizontal nav extends past the viewport on
   phones and creates horizontal scroll + a white margin on the right.
   On <= 800px we wrap the links to a second row so everything stays
   within the viewport and remains tappable. */
@media (max-width: 800px) {
  .nav {
    flex-wrap: wrap;
    padding: 12px 16px;
    row-gap: 8px;
    column-gap: 12px;
  }
  .nav .brand { font-size: 1rem; }
  .nav .brand .tagline { display: none; }
  .nav-links {
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px 12px;
    order: 3;   /* drop below brand + cta */
  }
  .nav-links a {
    font-size: 0.78rem;
    padding: 6px 8px;
  }
  .nav-cta { gap: 6px; }
  .nav-cta .btn-link,
  .nav-cta .btn-primary {
    font-size: 0.78rem;
    padding: 7px 11px;
  }
}
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; font-family: inherit; border: 1px solid transparent; }
.btn-link {
  background: transparent;
  color: var(--m-fg-2);
  font-size: 0.86rem;
  padding: 8px 4px;
  border: none;
  text-decoration: none;
}
.btn-link:hover { color: var(--brand-green); }
.btn-primary {
  background: var(--brand-green);
  color: #fff;
  font-weight: 600;
  font-size: 0.86rem;
  padding: 9px 18px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 150ms ease;
}
.btn-primary:hover { background: var(--brand-green-deep); }
.btn-ghost {
  background: var(--brand-green-faint);
  color: var(--brand-green);
  font-weight: 600;
  font-size: 0.78rem;
  padding: 7px 14px;
  border-radius: 5px;
  border: 1px solid transparent;
}
.btn-ghost:hover { background: #d8e8de; }
.btn-outline {
  background: #fff;
  color: var(--brand-green);
  border: 1px solid var(--brand-green);
  font-weight: 600;
  font-size: 0.86rem;
  padding: 9px 18px;
  border-radius: 6px;
  text-decoration: none;
}
.btn-outline:hover { background: var(--brand-green-tint); }

/* ---------- Sections ---------- */
.section { padding: 80px 36px; }
.section.tight { padding: 56px 36px; }
.section.alt { background: var(--m-bg-alt); }
.section.sand { background: var(--m-bg-sand); }
.wrap { max-width: 1200px; margin: 0 auto; }

/* ---------- Type ---------- */
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 1.4px;
  font-size: 0.68rem;
  color: var(--brand-green);
  font-weight: 700;
  margin-bottom: 16px;
}
.h-display {
  font-size: clamp(2.4rem, 4.6vw, 4.0rem);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--m-fg-1);
  margin-bottom: 20px;
  text-wrap: balance;
}
.h-section {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--m-fg-1);
  margin-bottom: 14px;
}
.lead {
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--m-fg-3);
  max-width: 620px;
  text-wrap: pretty;
}
.body { font-size: 0.95rem; line-height: 1.6; color: var(--m-fg-2); }
.kicker { font-size: 0.78rem; color: var(--m-fg-4); }

/* ---------- Footer (mega) ---------- */
.footer {
  padding: 0;
  border-top: 1px solid var(--m-border);
  background: var(--m-bg);
  color: var(--m-fg-3);
  font-size: 0.86rem;
  display: block;
}
.footer.mega .wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 36px 32px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 36px;
}
@media (max-width: 800px) { .footer.mega .wrap { grid-template-columns: 1fr; gap: 28px; } }
.footer .col h4 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--brand-green);
  font-weight: 700;
  margin-bottom: 14px;
}
.footer .col ul { list-style: none; padding: 0; margin: 0; }
.footer .col ul li { padding: 6px 0; }
.footer .col ul a { color: var(--m-fg-2); text-decoration: none; font-size: 0.92rem; }
.footer .col ul a:hover { color: var(--brand-green); }
.footer .tag { color: var(--m-fg-3); font-size: 0.86rem; margin: 16px 0 22px; line-height: 1.5; }
.footer .contact-direct { display: flex; flex-direction: column; gap: 8px; }
.footer .contact-direct a { color: var(--m-fg-2); text-decoration: none; font-size: 0.88rem; font-weight: 600; }
.footer .contact-direct a:hover { color: var(--brand-green); }
.footer-bottom {
  border-top: 1px solid var(--m-border);
  padding: 18px 36px;
  font-size: 0.76rem;
  color: var(--m-fg-4);
  text-align: center;
}
.footer.mega .brand { color: var(--brand-green); }
.footer.mega .brand .wordmark { display: inline-block; font-weight: 700; font-size: 1.2rem; letter-spacing: 0.5px; }
.footer.mega .brand .iq { color: var(--m-fg-1); }
.footer.mega .brand .tagline {
  display: block; font-size: 0.7rem; font-style: italic; color: var(--brand-green);
  opacity: 0.82; margin-top: 3px;
}

/* ---------- Forms (light) ---------- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--m-fg-2);
}
.field input, .field select {
  background: #fff;
  border: 1px solid var(--m-border);
  border-radius: 6px;
  padding: 9px 12px;
  font-size: 0.92rem;
  font-family: inherit;
  color: var(--m-fg-1);
  transition: border-color 150ms ease, box-shadow 150ms ease;
}
.field input::placeholder { color: #b0a890; font-style: italic; }
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--brand-green);
  box-shadow: 0 0 0 3px rgba(28,95,58,0.12);
}
.btn-search {
  background: var(--dark-green);
  color: #fff;
  font-weight: 700;
  padding: 9px 22px;
  border-radius: 3px;
  border: none;
  font-size: 0.86rem;
  cursor: pointer;
}
.btn-search:hover { background: var(--dark-green-soft); }
.btn-reset {
  background: var(--surface);
  color: var(--dark-green);
  border: 1px solid var(--olive-gold);
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 3px;
  font-size: 0.86rem;
  cursor: pointer;
}
.btn-reset:hover { background: var(--info-cream); }