/* ============================================
   index.css — Landing page
   ============================================ */

/* ── Hero ── */
.hero {
  background-color: var(--color-black);
  padding: var(--space-10) 0 var(--space-9);
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../assets/hero/hero-materials.webp') center 30% / cover no-repeat;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(15,15,13,0.97) 0%,
    rgba(15,15,13,0.94) 28%,
    rgba(15,15,13,0.78) 52%,
    rgba(15,15,13,0.58) 78%,
    rgba(15,15,13,0.46) 100%
  );
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-location {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-green-sage);
  margin-bottom: var(--space-5);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 760px;
}

.hero-content h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 6vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--color-white);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

.hero-content h1 em {
  font-style: italic;
  color: var(--color-sand);
}

.hero-lead {
  font-size: 1rem;
  color: rgba(255,255,255,0.55);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: var(--space-7);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-arrow-link {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-arrow-link:hover { color: var(--color-white); text-decoration: none; }


/* ── Material grid section ── */
.section-library {
  background-color: var(--color-off-white);
  padding: var(--space-9) 0;
}

.section-library-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-7);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-5);
}

.section-library-header h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0;
}

/* Category filter tabs */
.category-tabs {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
}
.category-tabs::-webkit-scrollbar { display: none; }

.cat-tab {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: var(--space-3) var(--space-4);
  margin-bottom: -1px;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition);
}
.cat-tab:hover { color: var(--color-black); }
.cat-tab.active {
  color: var(--color-black);
  border-bottom-color: var(--color-black);
}

/* Material grid */
.material-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: var(--color-border);
}

.material-card {
  background-color: var(--color-off-white);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.material-card-image {
  aspect-ratio: 3/4;
  overflow: hidden;
  background-color: var(--color-border-light);
  position: relative;
}

.material-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.material-card:hover .material-card-image img {
  transform: scale(1.04);
}

.material-card-image-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(160deg, var(--color-border-light) 0%, var(--color-border) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-text-muted);
  transition: transform 0.5s ease;
}

.material-card:hover .material-card-image-placeholder {
  transform: scale(1.04);
}

.material-card-body {
  padding: var(--space-4) var(--space-4) var(--space-5);
  background-color: var(--color-off-white);
}

.material-card-category {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.material-card-name {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.material-card-link {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  text-decoration: none;
  transition: color var(--transition);
}
.material-card-link:hover { color: var(--color-primary); text-decoration: none; }

/* Hidden by category filter */
.material-card.hidden { display: none; }

@media (max-width: 1024px) { .material-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px)  { .material-grid { grid-template-columns: repeat(2, 1fr); } }

/* ── Partners / Brands section ── */
.section-partners {
  background-color: var(--color-white);
  padding: var(--space-9) 0;
  border-top: 1px solid var(--color-border);
}

.section-partners-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-7);
}

.section-partners-header h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  margin-bottom: 0;
}

.section-partners-sub {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.partners-list {
  display: flex;
  flex-direction: column;
}

.partner-row {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-border);
  text-decoration: none;
  transition: background-color var(--transition);
}
.partner-row:last-child { border-bottom: 1px solid var(--color-border); }
.partner-row:hover { background-color: var(--color-off-white); }
.partner-row:hover .partner-arrow { opacity: 1; transform: translateX(0); }

.partner-number {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}



.partner-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-black);
  line-height: 1.2;
  margin-bottom: 4px;
}

.partner-meta {
  display: flex;
  gap: var(--space-4);
}
.partner-meta span {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.partner-meta span + span::before {
  content: '·';
  margin-right: var(--space-4);
}

.partner-arrow {
  font-size: 0.875rem;
  color: var(--color-primary);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity var(--transition), transform var(--transition);
}

/* ── Supplier CTA ── */
.section-partner-cta {
  background-color: var(--color-black);
  padding: var(--space-9) 0;
}

.partner-cta-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--space-8);
}

.partner-cta-inner h2 {
  color: var(--color-white);
  max-width: 560px;
  margin-bottom: var(--space-4);
}

.partner-cta-inner p {
  color: rgba(255,255,255,0.5);
  font-size: 1rem;
  max-width: 500px;
  margin-bottom: 0;
}

.partner-cta-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .partner-cta-inner { grid-template-columns: 1fr; }
  .partner-cta-actions { align-items: flex-start; flex-direction: row; flex-wrap: wrap; }
}

/* ── Footer ── */
.footer {
  background-color: var(--color-charcoal);
  padding-top: var(--space-9);
}

.footer-top {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-9);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.footer-tagline {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.65;
  margin-bottom: var(--space-5);
}

.footer-email {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-email:hover { color: var(--color-white); text-decoration: none; }

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.footer-col-title {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: var(--space-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--color-white); text-decoration: none; }

.footer-bottom {
  padding: var(--space-4) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.footer-bottom p, .footer-bottom a {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.25);
  margin-bottom: 0;
}
.footer-bottom a:hover { color: rgba(255,255,255,0.6); }

.footer-legal {
  display: flex;
  gap: var(--space-5);
}

@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .footer-nav { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ── Additional Mobile Responsive Adjustments ── */
@media (max-width: 560px) {
  .hero {
    padding: var(--space-8) 0 var(--space-6);
  }
  .hero-content h1 { font-size: 2.25rem; margin-bottom: var(--space-4); }
  .hero-lead       { font-size: 0.9375rem; margin-bottom: var(--space-5); }
  .hero-location   { margin-bottom: var(--space-4); }
  .material-card-name { font-size: 0.9375rem; }
  .partner-name { font-size: 1.0625rem; }
  .section-library-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .section-partners-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .partner-row {
    grid-template-columns: 32px 1fr auto;
    gap: var(--space-3);
  }
  .partner-meta {
    flex-direction: column;
    gap: 2px;
  }
  .partner-meta span + span::before {
    content: '';
    margin-right: 0;
  }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; gap: var(--space-3); }
  .hero-actions .btn { width: 100%; text-align: center; }
  .hero-arrow-link { text-align: center; justify-content: center; }
}
/* Ensure the hamburger/collapsed menu triggers at 412px */
@media screen and (max-width: 425px) {
  .nav-links {
    display: none; /* Hide standard links and toggle via hamburger */
  }

  .nav-item {
    font-size: 0.875rem; /* Reduce font size slightly if text is wrapping */
    padding: 0.5rem;
  }
}