*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #0a0a0a;
  --white: #f4f1ed;
  --muted: #666;
  --font: 'Barlow', sans-serif;
}

body {
  background: var(--white);
  color: var(--black);
  font-family: var(--font);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* NAV */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 2.5rem;
  border-bottom: 1px solid #ddd;
}

nav .logo {
  text-decoration: none;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

nav .logo img {
  height: 36px;
  width: auto;
  display: block;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav ul a {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--black);
  text-decoration: none;
}

nav ul a:hover {
  text-decoration: underline;
}

nav ul a.active {
  text-decoration: underline;
}

/* MAIN CONTENT */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2.5rem 4rem;
  max-width: 680px;
}

.headline {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 2rem;
}

.definition {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--muted);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.definition strong {
  color: var(--black);
  font-weight: 500;
}

.body-copy {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.85;
  color: #333;
  max-width: 560px;
}

.body-copy p + p {
  margin-top: 1.2rem;
}

/* SECTION PAGES */
.page-title {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 3rem;
}

.section-block {
  margin-bottom: 3rem;
}

.section-block h2 {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.section-block p {
  font-size: 0.95rem;
  font-weight: 300;
  color: #333;
  line-height: 1.85;
  max-width: 520px;
}

.section-block p + p {
  margin-top: 1rem;
}

/* DIVIDER */
.divider {
  width: 24px;
  height: 1px;
  background: #bbb;
  margin: 2rem 0;
}

/* BLOG POSTS */
.post-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  max-width: 560px;
}

.post-item .post-date {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.post-item .post-title {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
}

.post-item .post-excerpt {
  font-size: 0.9rem;
  font-weight: 300;
  color: #444;
  line-height: 1.75;
}

.post-item .post-link {
  display: inline-block;
  margin-top: 0.6rem;
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--black);
  text-decoration: underline;
}

/* GALLERY GRID */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: 680px;
  background: #ddd;
  margin-top: 0.5rem;
}

.gallery-item {
  background: var(--white);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* SHOP / BUY */
.product-list {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  max-width: 560px;
}

.product-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: start;
}

.product-name {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  margin-bottom: 0.4rem;
}

.product-desc {
  font-size: 0.85rem;
  font-weight: 300;
  color: #444;
  line-height: 1.7;
  max-width: 400px;
}

.product-price {
  font-size: 0.85rem;
  font-weight: 400;
  white-space: nowrap;
  padding-top: 2px;
}

/* CONTACT */
.contact-info {
  font-size: 0.95rem;
  font-weight: 300;
  color: #333;
  line-height: 2;
}

.contact-info a {
  color: var(--black);
  text-decoration: underline;
}

/* CERTIFICATION */
.cert-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 520px;
}

.cert-list li {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.cert-list .cert-title {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.cert-list .cert-desc {
  font-size: 0.88rem;
  font-weight: 300;
  color: #444;
  line-height: 1.7;
}

/* CTA BUTTON */
.cta-btn {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.65rem 1.5rem;
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  text-decoration: none;
  color: var(--white);
  background: var(--black);
  border: none;
  cursor: pointer;
}

.cta-btn:hover {
  opacity: 0.8;
}

/* FOOTER */
footer {
  padding: 1.5rem 2.5rem;
  border-top: 1px solid #ddd;
  font-size: 0.75rem;
  color: var(--muted);
}

/* Mobile */
@media (max-width: 600px) {
  nav { flex-direction: column; gap: 1rem; align-items: flex-start; }
  nav ul { flex-wrap: wrap; gap: 1rem; }
  main { padding: 3rem 1.5rem 3rem; }
  footer { padding: 1.5rem; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .product-item { grid-template-columns: 1fr; }
}