/* ============ HERO (Home) ============ */
.hero {
  position: relative;
  min-height: 100svh;
  padding-top: var(--nav-h);
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: stretch;
  overflow: hidden;
}
.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 6vw, 5rem) clamp(1.5rem, 5vw, 5rem);
  position: relative;
  z-index: 2;
}
.hero-eyebrow { margin-bottom: 1.6rem; }
.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-weight: 400;
}
.hero h1 em {
  font-style: italic;
  font-weight: 300;
  color: var(--sky-deep);
}
.hero-sub {
  font-family: var(--serif);
  font-size: var(--step-2);
  font-style: italic;
  color: var(--muted);
  margin-top: 1rem;
}
.hero-desc {
  margin-top: 2rem;
  max-width: 44ch;
  line-height: 1.7;
}
.hero-actions {
  margin-top: 2.5rem;
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}
.hero-meta {
  margin-top: auto;
  padding-top: 3rem;
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-meta span::before {
  content: "—";
  margin-right: 0.6rem;
  color: var(--sky);
}

.hero-visual {
  position: relative;
  background: var(--cream-deep);
  overflow: hidden;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../images/hero artwork (3).jpg");
  background-size: cover;
  background-position: center;
  filter: contrast(1.05) saturate(0.95);
}
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 60%, rgba(0, 0, 0, 0.35)),
    radial-gradient(circle at 30% 30%, rgba(95, 181, 220, 0.18), transparent 50%);
}
.hero-caption {
  position: absolute;
  bottom: 2rem; right: 2rem;
  z-index: 2;
  text-align: right;
  font-family: var(--serif);
  font-style: italic;
  color: var(--ivory);
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-visual { height: 60vh; }
  .hero-text { padding: 3rem 1.5rem 4rem; }
}

/* Floating brand mark */
.hero-mark {
  position: absolute;
  top: calc(var(--nav-h) + 2rem);
  right: 2rem;
  width: 88px;
  opacity: 0.18;
  pointer-events: none;
  z-index: 1;
}

/* ============ Service preview ============ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2.5vw, 2rem);
  margin-top: 3rem;
}
.service-card {
  position: relative;
  padding: 2.4rem 2rem;
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: 6px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--sky), transparent);
  transform: scaleX(0);
  transition: transform var(--dur) var(--ease);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: var(--sky-soft);
}
.service-card:hover::before { transform: scaleX(1); }
.service-num {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--sky-deep);
  margin-bottom: 1rem;
}
.service-card h3 {
  font-size: var(--step-3);
  margin-bottom: 0.6rem;
}
.service-card .ko {
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin-bottom: 1.2rem;
}
.service-card p {
  font-size: 0.96rem;
  line-height: 1.65;
}
@media (max-width: 880px) { .services-grid { grid-template-columns: 1fr; } }

/* ============ Section heads ============ */
.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  margin-bottom: 3rem;
  align-items: end;
}
.section-head h2 { font-size: var(--step-4); line-height: 1.1; }
.section-head .lead { max-width: 56ch; }
@media (max-width: 880px) {
  .section-head { grid-template-columns: 1fr; gap: 1.2rem; }
}

/* ============ Featured case strip (Home) ============ */
.featured-case {
  background: var(--ink);
  color: var(--ivory);
  padding-block: clamp(4rem, 8vw, 7rem);
}
.featured-case h2 { color: var(--ivory); }
.featured-case p { color: rgba(255, 253, 246, 0.7); }
.featured-case .eyebrow { color: var(--sky); }
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}
.featured-grid img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 4px;
  filter: brightness(0.92);
  transition: filter var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.featured-grid img:hover {
  filter: brightness(1);
  transform: scale(1.01);
}
@media (max-width: 720px) { .featured-grid { grid-template-columns: 1fr; } }

/* ============ ABOUT ============ */
.about-hero {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding-top: clamp(1rem, 3vw, 2.5rem);
}
.about-portrait {
  position: relative;
  background: var(--cream-deep);
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 4/5;
}
.about-portrait img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.about-portrait::after {
  content: "";
  position: absolute;
  inset: auto -30px -30px auto;
  width: 220px; height: 220px;
  border: 1px solid var(--sky);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.4;
}
.about-bio h2 { margin-top: 1rem; font-size: var(--step-4); }
.about-bio .role {
  font-family: var(--serif);
  font-style: italic;
  color: var(--muted);
  font-size: var(--step-1);
  margin-top: 0.5rem;
}
.about-bio p {
  margin-top: 1.4rem;
  line-height: 1.8;
}
@media (max-width: 880px) { .about-hero { grid-template-columns: 1fr; } }

.philosophy {
  background: var(--ivory);
  border-block: 1px solid var(--line-soft);
}
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 3rem;
}
.pillar { padding: 1.4rem 0; border-top: 1px solid var(--line); }
.pillar .num {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--sky-deep);
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}
.pillar h3 { font-size: var(--step-2); margin-bottom: 0.6rem; }
.pillar p { font-size: 0.95rem; line-height: 1.7; }
@media (max-width: 720px) { .philosophy-grid { grid-template-columns: 1fr; gap: 1rem; } }

.lecturing {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.lecturing-img {
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--ink);
}
.lecturing-img img {
  width: 100%; height: 100%; object-fit: cover;
}
.lecturing-text h2 { font-size: var(--step-4); }
.lecturing-text p { margin-top: 1.4rem; }
.credit-list {
  list-style: none;
  padding: 0;
  margin-top: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.credit-list li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.4rem;
  padding-block: 0.6rem;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}
.credit-list li:last-child { border-bottom: 1px solid var(--line); }
.credit-list .year {
  font-family: var(--mono);
  color: var(--sky-deep);
  letter-spacing: 0.05em;
}
@media (max-width: 880px) { .lecturing { grid-template-columns: 1fr; } }

/* ============ SERVICES ============ */
.svc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding-block: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--line);
}
.svc-row:first-of-type { border-top: 0; }
.svc-row.reverse { direction: rtl; }
.svc-row.reverse > * { direction: ltr; }
.svc-img {
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 5/4;
  background: var(--ink);
}
.svc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.svc-img:hover img { transform: scale(1.04); }
.svc-text .num {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  color: var(--sky-deep);
  margin-bottom: 1rem;
}
.svc-text h2 { font-size: var(--step-4); }
.svc-text .ko-name {
  font-family: var(--serif);
  font-style: italic;
  color: var(--muted);
  font-size: var(--step-1);
  margin-top: 0.4rem;
}
.svc-text p { margin-top: 1.5rem; line-height: 1.75; }
.svc-features {
  list-style: none;
  padding: 0;
  margin-top: 1.8rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem 1.4rem;
}
.svc-features li {
  font-size: 0.92rem;
  color: var(--ink-soft);
  position: relative;
  padding-left: 1.2rem;
}
.svc-features li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.7em;
  width: 6px; height: 1px;
  background: var(--sky-deep);
}
@media (max-width: 880px) {
  .svc-row { grid-template-columns: 1fr; }
  .svc-row.reverse { direction: ltr; }
  .svc-features { grid-template-columns: 1fr; }
}

/* ============ GALLERY / Cases ============ */
.case-block {
  margin-bottom: clamp(4rem, 8vw, 7rem);
}
.case-head {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 2rem;
  align-items: end;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.5rem;
}
.case-head .case-num {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  color: var(--sky-deep);
}
.case-head h2 { font-size: var(--step-4); margin-top: 0.4rem; }
.case-head .meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.case-head .meta b {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--sky-deep);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 0.2rem;
}
@media (max-width: 720px) { .case-head { grid-template-columns: 1fr; gap: 1rem; } }

.case-1-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: auto auto;
  gap: 1rem;
}
.case-1-grid > a:nth-child(1) { grid-row: 1 / 3; }
.case-1-grid img {
  width: 100%; height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
  border-radius: 4px;
  cursor: zoom-in;
  transition: transform var(--dur) var(--ease), filter var(--dur) var(--ease);
}
.case-1-grid > a:nth-child(1) img { aspect-ratio: 4/5; }
.case-1-grid img:hover { transform: scale(1.01); filter: brightness(1.05); }
@media (max-width: 720px) {
  .case-1-grid { grid-template-columns: 1fr; }
  .case-1-grid > a:nth-child(1) { grid-row: auto; }
  .case-1-grid > a:nth-child(1) img { aspect-ratio: 4/3; }
}

/* Before / After slider */
.ba-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
.ba-card {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
}
.ba-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  cursor: zoom-in;
}
.ba-tag {
  position: absolute;
  top: 1rem; left: 1rem;
  background: rgba(28, 34, 48, 0.85);
  color: var(--ivory);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.ba-tag.after { background: var(--sky-deep); }
.ba-side {
  border-radius: 4px;
  overflow: hidden;
}
.ba-side img {
  width: 100%;
  aspect-ratio: 21/9;
  object-fit: cover;
  cursor: zoom-in;
}
@media (max-width: 720px) { .ba-wrap { grid-template-columns: 1fr; } }

/* ============ CONTACT ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.contact-info h2 { font-size: var(--step-4); }
.contact-info p { margin-top: 1.4rem; line-height: 1.75; }
.info-list {
  list-style: none;
  padding: 0;
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}
.info-list li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1.5rem;
  padding-block: 1rem;
  border-top: 1px solid var(--line);
}
.info-list li:last-child { border-bottom: 1px solid var(--line); }
.info-list .label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sky-deep);
  padding-top: 0.3rem;
}
.info-list .value { font-size: 1.02rem; line-height: 1.5; }
.info-list .value a { color: var(--ink); border-bottom: 1px solid var(--line); }
.info-list .value a:hover { border-color: var(--sky-deep); color: var(--sky-deep); }

.contact-form {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: clamp(1.6rem, 3vw, 2.5rem);
}
.field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}
.field label {
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}
.field input, .field textarea, .field select {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.85rem 1rem;
  font-size: 0.96rem;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--sky-deep);
  box-shadow: 0 0 0 3px rgba(95, 181, 220, 0.18);
}
.field textarea { min-height: 130px; resize: vertical; }
.row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.6rem;
}
.form-foot small { color: var(--muted); font-size: 0.82rem; }
.form-msg {
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  border-radius: 4px;
  font-size: 0.92rem;
  display: none;
}
.form-msg.success { display: block; background: rgba(95, 181, 220, 0.15); color: var(--sky-deep); }
.form-msg.error { display: block; background: rgba(200, 80, 80, 0.1); color: #b04545; }

@media (max-width: 880px) {
  .contact-grid { grid-template-columns: 1fr; }
  .row-2 { grid-template-columns: 1fr; }
}

/* ============ CTA strip ============ */
.cta-strip {
  background:
    linear-gradient(rgba(28, 34, 48, 0.78), rgba(28, 34, 48, 0.86)),
    url("../images/hero artwork (1).jpg") center / cover;
  color: var(--ivory);
  text-align: center;
  padding-block: clamp(4rem, 8vw, 6rem);
}
.cta-strip h2 { color: var(--ivory); font-size: var(--step-4); }
.cta-strip p { color: rgba(255, 253, 246, 0.75); margin-top: 1rem; max-width: 50ch; margin-inline: auto; }
.cta-strip .btn { margin-top: 2rem; }
.cta-strip .btn-primary { background: var(--ivory); color: var(--ink); border-color: var(--ivory); }
.cta-strip .btn-primary:hover { background: var(--sky); border-color: var(--sky); color: var(--ivory); }