.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.7rem 1.35rem;
  border: 1px solid transparent;
  cursor: pointer;
  letter-spacing: 0.06em;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.15s var(--ease);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-copper);
  color: #fbf7f0;
}

.btn-primary:hover {
  background: var(--color-copper-deep);
}

.btn-ghost {
  border-color: var(--color-ink);
  background: transparent;
}

.btn-ghost:hover {
  background: var(--color-ink);
  color: var(--color-surface);
}

.btn-light {
  border-color: #fbf7f0;
  color: #fbf7f0;
}

.hero {
  display: grid;
  min-height: calc(100dvh - var(--header-h));
  background: var(--color-night);
  color: #f7f1e8;
}

.hero-copy {
  padding: clamp(2rem, 6vw, 5rem) 1rem;
  width: min(calc(100% - 2rem), 640px);
  margin: 0 auto;
  align-self: center;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 5rem);
  margin-bottom: 0.4em;
}

.hero-subname {
  display: block;
  font-size: 0.52em;
  margin-top: 0.15em;
  letter-spacing: 0.04em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.hero-media {
  min-height: 280px;
  background: #3a322c center/cover no-repeat;
}

.page-hero {
  min-height: 280px;
  display: flex;
  align-items: flex-end;
  padding: clamp(2.8rem, 8vw, 5rem) 0 2rem;
  background:
    linear-gradient(180deg, rgba(36, 30, 26, 0.55), rgba(36, 30, 26, 0.2)),
    var(--page-hero-image, url("../images/original/work016.png")) center/cover no-repeat;
  color: #fbf7f0;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
}

.media-frame {
  position: relative;
}

.media-frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 1rem -1rem -1rem 1rem;
  border: 1px solid var(--color-copper);
  z-index: -1;
}

.project-grid,
.news-grid,
.gallery-grid {
  display: grid;
  gap: 1.2rem;
}

.project-card,
.news-card {
  background: var(--color-surface);
  overflow: hidden;
}

.project-card a,
.news-card a {
  display: block;
  color: inherit;
}

.project-card img,
.news-card img,
.gallery-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.project-card:hover img,
.news-card:hover img {
  transform: scale(1.04);
}

.card-body {
  padding: 1.1rem 1.1rem 1.3rem;
}

.card-body h2,
.card-body h3 {
  font-size: 1.45rem;
  margin-bottom: 0.2em;
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 1rem;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--color-line);
}

.step h3 {
  font-size: 1.28rem;
  margin-bottom: 0.25em;
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  color: var(--color-copper);
  font-size: 1.6rem;
  line-height: 1;
}

.note-list {
  list-style: none;
  display: grid;
  gap: 0.8rem;
}

.note-list li {
  padding-left: 1.1rem;
  border-left: 2px solid var(--color-copper);
}

.cta-band {
  background: var(--color-night);
  color: #f7f1e8;
  padding: var(--space-xl) 0;
}

.form {
  display: grid;
  gap: 0.95rem;
  background: var(--color-surface);
  padding: 1.4rem;
  border: 1px solid var(--color-line);
}

.form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
}

.form input,
.form select,
.form textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  background: #fff;
  padding: 0.7rem 0.8rem;
  min-height: 46px;
}

.form textarea {
  min-height: 140px;
  resize: vertical;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: 2px solid var(--color-copper);
  outline-offset: 1px;
}

.form-error,
.form-success {
  display: none;
  padding: 0.8rem 1rem;
  font-size: 0.92rem;
}

.form-error {
  background: #f8e4dc;
  color: #6e3926;
}

.form-success {
  background: #e5efe4;
  color: #21512a;
}

.form.is-error .form-error,
.form.is-success .form-success {
  display: block;
}

.map-placeholder {
  min-height: 280px;
  border: 1px solid var(--color-line);
  background:
    linear-gradient(180deg, rgba(243, 236, 226, 0.2), rgba(36, 30, 26, 0.28)),
    url("../images/original/work022.png") center/cover;
  display: grid;
  place-items: end start;
  padding: 1.2rem;
  color: var(--color-ink);
}

.map-card {
  background: rgba(251, 247, 240, 0.94);
  padding: 1rem 1.1rem;
  max-width: 22rem;
}

.contact-list {
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.gallery-section + .gallery-section {
  margin-top: 2.5rem;
}

.gallery-more {
  margin-top: 1.6rem;
  text-align: center;
}

.lightbox-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(2, 1fr);
}

.lightbox-grid a {
  display: block;
  overflow: hidden;
  background: var(--color-surface);
  cursor: zoom-in;
}

.lightbox-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.55s var(--ease);
}

.lightbox-grid a:hover img {
  transform: scale(1.04);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 4000;
  display: none;
  place-items: center;
  padding: 1rem;
  background: rgba(29, 25, 21, 0.92);
}

.lightbox.is-open {
  display: grid;
}

.lightbox-inner {
  position: relative;
  width: min(100%, 1100px);
  max-height: calc(100dvh - 2rem);
  display: grid;
  place-items: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: calc(100dvh - 5.5rem);
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: var(--shadow-soft);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  border: 0;
  background: rgba(251, 247, 240, 0.12);
  color: #fbf7f0;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  transition: background 0.2s var(--ease);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--color-copper);
}

.lightbox-close {
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
}

.lightbox-prev,
.lightbox-next {
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-prev {
  left: 0.5rem;
}

.lightbox-next {
  right: 0.5rem;
}

.lightbox-counter {
  position: absolute;
  left: 50%;
  bottom: 0.4rem;
  transform: translateX(-50%);
  color: #ebe4d8;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
}

body.lightbox-open {
  overflow: hidden;
}

@media (min-width: 700px) {
  .lightbox-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .lightbox-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 700px) {
  .hero-copy {
    margin: 0 auto 0 8vw;
  }

  .hero {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .hero-media {
    min-height: 100%;
  }

  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .news-grid,
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .project-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}