/* ImmunaStock marketing pages: shared styles (same tokens as landing.html) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: #4A5568; background: #fff; line-height: 1.6; font-size: 16px; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; margin: 0 auto; }
a { color: #3D8B7A; }

.section-label { display: block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: #3D8B7A; margin-bottom: 12px; }
.section-heading { font-size: clamp(1.6rem, 3.5vw, 2.1rem); font-weight: 700; color: #1A2E2A; line-height: 1.2; margin-bottom: 14px; }
.section-sub { font-size: 1rem; font-weight: 300; color: #4A5568; max-width: 600px; margin: 0 auto 44px; line-height: 1.7; }
.text-centre { text-align: center; }
section { padding: 72px 0; }
section.alt { background: #F7FAFA; }

/* Buttons */
.btn { display: inline-block; font-family: 'Inter', sans-serif; font-weight: 600; text-decoration: none; cursor: pointer; border: none; transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.15s; }
.btn:active { transform: scale(0.97); }
.btn-teal { background: #3D8B7A; color: #fff; padding: 12px 24px; border-radius: 30px; font-size: 0.9rem; }
.btn-teal:hover { background: #2D7A6B; box-shadow: 0 4px 16px rgba(45,122,107,0.35); }
.btn-white { background: #fff; color: #3D8B7A; padding: 14px 32px; border-radius: 30px; font-size: 1rem; }
.btn-white:hover { background: #f0faf8; box-shadow: 0 4px 16px rgba(0,0,0,0.12); }
.btn-outline-white { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.7); padding: 12px 30px; border-radius: 30px; font-size: 1rem; }
.btn-outline-white:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
.btn-outline-teal { background: transparent; color: #3D8B7A; border: 2px solid #3D8B7A; padding: 12px 24px; border-radius: 30px; font-size: 0.9rem; }
.btn-outline-teal:hover { background: #f0faf8; }

/* Navbar */
#navbar { position: sticky; top: 0; z-index: 1000; background: #fff; border-bottom: 1px solid transparent; transition: border-color 0.3s, box-shadow 0.3s; }
#navbar.scrolled { border-color: #e8efed; box-shadow: 0 2px 16px rgba(0,0,0,0.07); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo-icon { width: 36px; height: 36px; background: #3D8B7A; border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.nav-wordmark { font-size: 1.1rem; font-weight: 700; color: #1A2E2A; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a { font-size: 0.875rem; color: #4A5568; text-decoration: none; transition: color 0.2s; }
.nav-links a:hover { color: #3D8B7A; }
.nav-right { display: flex; align-items: center; gap: 16px; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: #1A2E2A; border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { display: none; flex-direction: column; background: #fff; border-top: 1px solid #e8efed; padding: 16px 24px 24px; gap: 4px; }
.mobile-menu.open { display: flex; }
.mobile-menu a { color: #4A5568; text-decoration: none; font-size: 1rem; padding: 12px 0; border-bottom: 1px solid #f4f4f4; }
.mobile-menu a:last-child { border: none; }

/* Hero */
#hero { background: linear-gradient(135deg, #4A9E8A 0%, #2D7A6B 100%); padding: 80px 0 72px; text-align: center; }
.eyebrow { display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: #fff; background: rgba(255,255,255,0.18); padding: 6px 14px; border-radius: 20px; margin-bottom: 24px; }
#hero h1 { font-size: clamp(1.9rem, 4.6vw, 3rem); font-weight: 700; color: #fff; line-height: 1.15; max-width: 820px; margin: 0 auto 20px; }
#hero .hero-sub { font-size: 1.12rem; font-weight: 300; color: rgba(255,255,255,0.9); max-width: 640px; margin: 0 auto 32px; line-height: 1.75; }
.hero-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 24px; }
.hero-trust { font-size: 0.8rem; color: rgba(255,255,255,0.7); letter-spacing: 0.02em; }

/* Official form callout */
.official { background: #fff; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); border-left: 5px solid #3D8B7A; padding: 28px 30px; display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; }
.official h2 { font-size: 1.05rem; color: #1A2E2A; margin-bottom: 6px; }
.official p { font-size: 0.9rem; line-height: 1.65; }
.official .verified { font-size: 0.78rem; color: #718096; margin-top: 8px; }
.official .links { display: flex; flex-direction: column; gap: 10px; align-items: stretch; }
.official .btn { white-space: nowrap; text-align: center; }
.official .alt-link { font-size: 0.8rem; text-align: center; }

/* Compare */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.compare-card { border-radius: 12px; padding: 32px 30px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); background: #fff; }
.compare-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 18px; color: #1A2E2A; }
.compare-card ul { list-style: none; }
.compare-card li { display: flex; gap: 12px; align-items: flex-start; font-size: 0.9rem; line-height: 1.65; padding: 9px 0; border-bottom: 1px solid #edf2f0; }
.compare-card li:last-child { border-bottom: none; }
.compare-card li .mark { flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; margin-top: 2px; }
.pain .mark { background: #FDE8E8; color: #C53030; }
.relief .mark { background: #E3F4F0; color: #2D7A6B; }
.relief { border: 2px solid #B2D8D0; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.step { text-align: center; padding: 0 16px; }
.step-num { width: 64px; height: 64px; background: linear-gradient(135deg, #4A9E8A, #2D7A6B); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; font-weight: 700; color: #fff; margin: 0 auto 20px; }
.step-title { font-size: 1rem; font-weight: 700; color: #1A2E2A; margin-bottom: 10px; }
.step-body { font-size: 0.875rem; line-height: 1.7; }

/* Field map table */
.fieldmap { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,0.08); font-size: 0.9rem; }
.fieldmap th { text-align: left; background: #1A2E2A; color: #fff; font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; padding: 14px 18px; }
.fieldmap td { padding: 14px 18px; border-bottom: 1px solid #edf2f0; vertical-align: top; line-height: 1.6; }
.fieldmap tr:last-child td { border-bottom: none; }
.fieldmap td:first-child { font-weight: 600; color: #1A2E2A; width: 38%; }

/* Prose */
.prose p { margin-bottom: 16px; line-height: 1.75; }
.prose ul { margin: 0 0 16px 22px; }
.prose li { margin-bottom: 8px; line-height: 1.7; }
.prose h3 { font-size: 1.05rem; color: #1A2E2A; margin: 28px 0 10px; }
.note { background: #FFF8E6; border-left: 4px solid #D69E2E; padding: 14px 18px; border-radius: 8px; font-size: 0.9rem; margin: 20px 0; }

/* Related */
.related { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related a { display: block; background: #fff; border-radius: 12px; padding: 22px 24px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); text-decoration: none; color: #1A2E2A; font-weight: 600; font-size: 0.95rem; transition: transform 0.15s, box-shadow 0.2s; }
.related a:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,0.12); }
.related a span { display: block; font-weight: 300; color: #4A5568; font-size: 0.85rem; margin-top: 6px; }

/* FAQ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid #e8efed; }
.faq-q { width: 100%; text-align: left; background: none; border: none; padding: 22px 0; display: flex; justify-content: space-between; align-items: center; gap: 16px; cursor: pointer; font-family: 'Inter', sans-serif; font-size: 0.95rem; font-weight: 600; color: #1A2E2A; transition: color 0.2s; }
.faq-q:hover { color: #3D8B7A; }
.faq-icon { width: 26px; height: 26px; border-radius: 50%; background: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; line-height: 1; color: #3D8B7A; font-weight: 300; flex-shrink: 0; transition: background 0.2s, color 0.2s; }
.faq-q.open .faq-icon { background: #3D8B7A; color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-a-inner { padding: 0 0 20px; font-size: 0.875rem; line-height: 1.75; color: #4A5568; }

/* CTA */
#cta { background: linear-gradient(135deg, #4A9E8A 0%, #2D7A6B 100%); padding: 88px 0; text-align: center; }
#cta h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 700; color: #fff; max-width: 680px; margin: 0 auto 16px; line-height: 1.2; }
#cta p { font-size: 1rem; color: rgba(255,255,255,0.82); margin-bottom: 32px; font-weight: 300; }

/* Footer */
footer { background: #1A2E2A; color: rgba(255,255,255,0.6); }
.footer-body { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 48px; padding: 64px 0 52px; }
.footer-brand { display: flex; flex-direction: column; gap: 14px; }
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-logo-icon { width: 32px; height: 32px; background: #3D8B7A; border-radius: 7px; display: flex; align-items: center; justify-content: center; }
.footer-wordmark { font-size: 1rem; font-weight: 700; color: #fff; }
.footer-tagline { font-size: 0.85rem; line-height: 1.65; max-width: 240px; }
.footer-col h4 { font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: #fff; margin-bottom: 18px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: rgba(255,255,255,0.55); text-decoration: none; font-size: 0.85rem; transition: color 0.2s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; text-align: center; font-size: 0.78rem; }

/* Responsive */
@media (max-width: 1024px) { .footer-body { grid-template-columns: 1fr 1fr; gap: 36px; } }
@media (max-width: 768px) {
  .nav-links { display: none !important; }
  .nav-wordmark { display: none; }
  .hamburger { display: flex; }
  .nav-cta { font-size: 0.75rem !important; padding: 8px 12px !important; }
  .btn-outline-teal.nav-cta { padding: 7px 11px !important; }
  .nav-right { gap: 8px; }
  section { padding: 56px 0; }
  .official { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 36px; }
  .related { grid-template-columns: 1fr; }
  .fieldmap td:first-child { width: 42%; }
  .footer-body { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 480px) {
  #hero { padding: 56px 0 48px; }
  .fieldmap { font-size: 0.82rem; }
  .fieldmap th, .fieldmap td { padding: 10px 12px; }
  .footer-body { grid-template-columns: 1fr; }
}