/* =====================================================
   AIPLAT – shared.css
   Shared styles: navbar, footer, palette, typography
   ===================================================== */

/* ── RESET & BASE ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --pine:    #2c4a3b;
  --forest:  #1f4037;
  --sage:    #5a8f75;
  --mint:    #e9f1ed;
  --light:   #f4f9f6;
  --border:  #d5e8de;
  --text:    #1e2e2b;
  --muted:   #4b665c;
  --accent:  #83b79b;
  --white:   #ffffff;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--mint);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main, .page-body { flex: 1; }

/* ── NAVBAR ── */
.navbar {
  background: var(--pine);
  color: #f0f7ec;
  padding: 0.85rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: 0 4px 16px rgba(20, 40, 30, .18);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo-area { display: flex; align-items: center; }
.logo-image img { height: 100px; width: auto; max-width: 160px; object-fit: contain; }
.logo {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.7rem;
  font-weight: 700;
  color: #e3f0e5;
  letter-spacing: -.5px;
}
.logo span {
  background: #83b79b;
  padding: 3px 10px;
  border-radius: 30px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #1a3a2c;
  margin-left: 7px;
}

/* nav links */
.nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
  flex-wrap: wrap;
}

.nav-links a.nav-item {
  color: #c8e3d4;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 30px;
  transition: .18s;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.nav-links a.nav-item i { font-size: 0.82rem; color: #8bc4a8; transition: .18s; }
.nav-links a.nav-item:hover { background: rgba(255,255,255,.1); color: #fff; }
.nav-links a.nav-item:hover i { color: #c5e8d8; }
.nav-links a.nav-item.active { background: rgba(255,255,255,.15); color: #fff; }
.nav-links a.nav-item.active i { color: #c5e8d8; }

/* submit tool button – highlighted */
.nav-links a.submit-link {
  background: #4a7f66;
  color: #e8f5ec !important;
  border: 1.5px solid #5d9878;
  margin-left: 6px;
}
.nav-links a.submit-link:hover { background: #3a6a54 !important; }
.nav-links a.submit-link.active { background: #3a6a54; }

/* hamburger */
.nav-hamburger {
  display: none;
  background: none;
  border: 1.5px solid rgba(255,255,255,.25);
  color: #d4e9da;
  font-size: 1.1rem;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: .18s;
}
.nav-hamburger:hover { background: rgba(255,255,255,.1); }

/* ── FOOTER ── */
.footer {
  background: var(--pine);
  color: #d4e9da;
  padding: 3rem 2.5rem 0;
  margin-top: auto;
  border-top: 3px solid #4a7f66;
}

.footer-inner {
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-logo { height: 38px; width: auto; margin-bottom: 10px; filter: brightness(1.2); }
.footer-logo-text { font-weight: 700; font-size: 1.4rem; color: #e3f0e5; margin-bottom: 10px; display: block; }
.footer-tagline { font-size: 0.88rem; color: #8abfa8; line-height: 1.5; }

.footer-links-group h4 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #8abfa8;
  margin-bottom: 14px;
}
.footer-links-group a {
  display: block;
  color: #c0ddd0;
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 8px;
  transition: .15s;
}
.footer-links-group a:hover { color: #fff; padding-left: 3px; }
.footer-small { font-size: 0.85rem; color: #8abfa8; margin-bottom: 12px; line-height: 1.4; }

.footer-subscribe { display: flex; gap: 8px; }
.footer-email-input {
  flex: 1;
  background: rgba(255,255,255,.08);
  border: 1.5px solid rgba(255,255,255,.15);
  border-radius: 30px;
  padding: 9px 16px;
  color: #e8f5ec;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  outline: none;
  transition: .18s;
  min-width: 0;
}
.footer-email-input::placeholder { color: #6a9e88; }
.footer-email-input:focus { border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.12); }
.footer-sub-btn {
  background: #4a7f66;
  border: none;
  color: #e8f5ec;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.88rem;
  transition: .18s;
  flex-shrink: 0;
}
.footer-sub-btn:hover { background: #3a6a54; }

.footer-bottom {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 0 1.5rem;
  font-size: 0.82rem;
  color: #6a9e88;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-socials { display: flex; gap: 14px; }
.footer-socials a { color: #8abfa8; font-size: 1rem; transition: .15s; }
.footer-socials a:hover { color: #fff; }

/* ── PAGE INTRO BANNER (inner pages) ── */
.page-banner {
  background: linear-gradient(135deg, #1f4d3b, #2c6b4f 60%, #3a7a5a);
  padding: 3rem 2.5rem 2.5rem;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 15% 85%, rgba(139,196,155,.18) 0%, transparent 55%),
              radial-gradient(circle at 85% 15%, rgba(90,160,118,.14) 0%, transparent 50%);
}
.page-banner-inner {
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.page-banner h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #e8f5ec;
  letter-spacing: -.03em;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}
.page-banner h1 i { color: #7bc4a0; }
.page-banner p {
  color: #b5d9c4;
  font-size: 1.1rem;
  max-width: 600px;
}

/* ── INNER PAGE BODY ── */
.inner-body {
  max-width: 1300px;
  margin: 0 auto;
  padding: 2.5rem 2rem 3rem;
}

/* ── SECTION HEADINGS (inner pages) ── */
.section-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--forest);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title i { color: var(--sage); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 700px) {
  .navbar { padding: 1rem 1.2rem; flex-wrap: wrap; }
  .nav-hamburger { display: block; }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 4px;
    margin-top: 12px;
    padding-bottom: 8px;
  }
  .nav-links.open { display: flex; }
  .nav-links a.submit-link { margin-left: 0; }
  .footer-inner { grid-template-columns: 1fr; gap: 1.8rem; }
  .footer { padding: 2.5rem 1.4rem 0; }
  .page-banner { padding: 2.5rem 1.4rem 2rem; }
  .page-banner h1 { font-size: 1.9rem; }
}