/* ===================================================================
   we-verifi — brand stylesheet for the apex marketing site
   ===================================================================
   Expected markup:

   <header class="site-header">
     <a href="/" class="brand">
       <img src="/assets/we-verifi-logo.svg" alt="we-verifi" class="brand__mark">
     </a>
     <nav class="primary-nav">
       <ul>
         <li><a href="https://certs.we-verifi.co.uk" class="nav-link nav-link--cert">Cert Verifi</a></li>
         <li><a href="https://projects.we-verifi.co.uk" class="nav-link nav-link--project">Project Verifi</a></li>
         <li><a class="nav-link nav-link--compliance is-disabled" aria-disabled="true">Compliance Verifi</a></li>
       </ul>
     </nav>
   </header>

   <section class="product-grid">
     <a href="https://certs.we-verifi.co.uk" class="product-card product-card--cert">
       <img src="/assets/cert-verifi-logo.svg" alt="Cert Verifi" class="product-card__logo">
       <p class="product-card__desc">Issue and verify digital certificates at scale.</p>
       <span class="btn btn--cert">Visit Cert Verifi →</span>
     </a>
     <a href="https://projects.we-verifi.co.uk" class="product-card product-card--project">
       <img src="/assets/project-verifi-logo.svg" alt="Project Verifi" class="product-card__logo">
       <p class="product-card__desc">Track project milestones and deliverables.</p>
       <span class="btn btn--project">Visit Project Verifi →</span>
     </a>
     <div class="product-card product-card--compliance is-disabled">
       <p class="product-card__desc">Compliance training records. Coming soon.</p>
       <span class="badge badge--soon">Coming soon</span>
     </div>
   </section>
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@500&display=swap');

:root {
  /* base */
  --graphite: #14161C;
  --cloud: #F4F5F8;
  --hairline: #DADFE8;
  --muted: #7A8093;

  /* brand accents (each pulled from the foil gradient) */
  --indigo: #5B5FEF;   /* Cert Verifi */
  --teal: #17C3B2;     /* Project Verifi */
  --magenta: #FF5DA2;  /* Compliance Verifi (future) */

  --foil-gradient: linear-gradient(135deg, var(--indigo) 0%, var(--teal) 50%, var(--magenta) 100%);

  --radius: 14px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

/* ---------- header / nav ---------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 32px;
  background: var(--cloud);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand { display: flex; align-items: center; }
.brand__mark { height: 36px; width: auto; display: block; }

.primary-nav ul {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--graphite);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 999px;
  position: relative;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.15s ease;
}

.nav-link:hover::after { transform: scaleX(1); }

.nav-link--cert:hover      { color: var(--indigo); }
.nav-link--project:hover   { color: var(--teal); }
.nav-link--compliance      { color: var(--muted); }

.nav-link.is-disabled {
  cursor: default;
  pointer-events: none;
  opacity: 0.55;
}

/* ---------- product grid ---------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  padding: 40px 32px 64px;
  max-width: 1080px;
  margin: 0 auto;
}

.product-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 28px 26px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(20, 22, 28, 0.08);
}

.product-card--cert:hover    { border-color: var(--indigo); }
.product-card--project:hover { border-color: var(--teal); }

.product-card__logo { height: 44px; width: auto; }

.product-card__desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

.product-card.is-disabled {
  cursor: default;
  background: var(--cloud);
}
.product-card.is-disabled:hover { transform: none; box-shadow: none; }

.badge--soon {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--hairline);
  padding: 5px 10px;
  border-radius: 999px;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 16px;
  border-radius: 9px;
  width: fit-content;
  color: #fff;
  transition: opacity 0.15s ease;
}

.btn:hover { opacity: 0.9; }

.btn--cert    { background: var(--indigo); }
.btn--project { background: var(--teal); }
.btn--gradient { background-image: var(--foil-gradient); }

/* ---------- responsive ---------- */

@media (max-width: 640px) {
  .site-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .primary-nav ul { flex-wrap: wrap; }
}