.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.btn-pill {
  border-radius: var(--radius-pill);
}

.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-contrast);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-accent-contrast);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}

/* CEO block */
.ceo-block {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: center;
}

.ceo-block__photo img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.ceo-block__photo figcaption {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.ceo-block__text {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* Feature cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 28px;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.check-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  color: var(--color-text-muted);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9.5 17.5 4 12l1.4-1.4 4.1 4.1 9.1-9.1L20 7z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9.5 17.5 4 12l1.4-1.4 4.1 4.1 9.1-9.1L20 7z'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* Portfolio category grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.category-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 32px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.category-card h3 {
  margin: 0;
  color: var(--color-text);
}

.category-card__count {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Portfolio items */
.portfolio-items {
  display: grid;
  gap: 40px;
}

.portfolio-item {
  display: grid;
  grid-template-columns: minmax(260px, 420px) 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-border);
}

.portfolio-item:last-child {
  border-bottom: none;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.gallery:has(.gallery__thumb:only-child) {
  grid-template-columns: 1fr;
}

.gallery__thumb {
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s ease;
}

.gallery__thumb:hover img {
  transform: scale(1.04);
}

.portfolio-item__body h3 {
  margin-bottom: 0.4em;
}

.portfolio-item__body p {
  color: var(--color-text-muted);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(8, 10, 14, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox[hidden] {
  display: none;
}

.lightbox__img {
  max-width: min(90vw, 1000px);
  max-height: 85vh;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}

.lightbox__close,
.lightbox__nav {
  position: absolute;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__close {
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  font-size: 1.5rem;
  line-height: 1;
}

.lightbox__nav {
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  font-size: 2rem;
  line-height: 1;
}

.lightbox__nav--prev { left: 16px; }
.lightbox__nav--next { right: 16px; }

.lightbox__close:hover,
.lightbox__nav:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Contact info tiles */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  margin-bottom: 16px;
}

.contact-tile h5 {
  margin: 0 0 4px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.contact-tile p {
  margin: 0;
  font-weight: 700;
}

/* Articles */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 280px));
  gap: 18px;
}

.article-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.article-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-card h3,
.article-card p {
  margin: 0;
  padding: 0 14px;
}

.article-card h3 {
  margin-top: 12px;
  font-size: 1rem;
  line-height: 1.3;
  color: var(--color-text);
}

.article-card p {
  margin: 6px 0 14px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article {
  max-width: 760px;
  margin: 0 auto;
}

.article__title-image {
  width: 100%;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.article__body {
  color: var(--color-text);
  line-height: 1.75;
}

.article__body :is(h2, h3, h4) {
  margin-top: 1.4em;
}

.article__body img {
  border-radius: var(--radius-sm);
}

@media (max-width: 760px) {
  .ceo-block,
  .contact-grid,
  .portfolio-item {
    grid-template-columns: 1fr;
  }
}