:root {
  --bg: #ffffff;
  --bg-alt: #f7f5fa;
  --card: #ffffff;
  --border: #e4e0eb;
  --text: #101010;
  --text-dim: #666666;
  --accent: #5a1787;
  --max-width: 1100px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; text-decoration: none; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 16px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
}

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

nav { display: flex; gap: 28px; }

nav a {
  color: var(--text-dim);
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

nav a:hover { color: var(--text); }

/* Hero */
.hero {
  padding: 110px 0 90px;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  max-width: 820px;
}

.hero p {
  color: var(--text-dim);
  font-size: 1.15rem;
  max-width: 600px;
  margin-bottom: 32px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: 6px;
  transition: opacity 0.15s ease;
}

.btn:hover { opacity: 0.85; }

/* Work */
.work { padding: 90px 0; border-bottom: 1px solid var(--border); }

.work h2, .services h2 { font-size: 1.8rem; margin-bottom: 40px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.1);
}

.card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  background: var(--bg-alt);
}

.card span, .card small { display: block; font-weight: 600; font-size: 1rem; line-height: 1.3; color: var(--text); padding: 0 16px; }

.card span { padding-top: 14px; }

.card span:last-child, .card small:last-child { padding-bottom: 16px; }

/* Services */
.services { padding: 90px 0; border-bottom: 1px solid var(--border); background: var(--bg-alt); }

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}

.service h3 { color: var(--accent); font-size: 1.15rem; }

.service p { color: var(--text-dim); margin: 0; }

/* Contact */
.contact { padding: 90px 0; }

.contact-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
}

.about p { color: var(--text-dim); }

.details p { margin: 0 0 10px; }

.details a:hover { color: var(--accent); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-footer nav a { margin-right: 20px; }

.site-footer p { color: var(--text-dim); font-size: 0.85rem; margin: 0; }

/* Work detail */
.card-link { display: block; }

.work-detail { padding: 60px 0 100px; }

.back-link {
  display: inline-block;
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 28px;
  transition: color 0.15s ease;
}

.back-link:hover { color: var(--accent); }

.work-detail h1 { font-size: 2rem; max-width: 760px; }

.work-detail .body p {
  color: var(--text-dim);
  max-width: 760px;
  margin: 0 0 16px;
}

.work-gallery {
  margin: 40px auto 0;
  width: 60vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.work-gallery img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.meta-list {
  margin: 0;
  max-width: 760px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.meta-list div {
  display: flex;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.95rem;
}

.meta-list dt {
  color: var(--text-dim);
  min-width: 130px;
  flex-shrink: 0;
}

.meta-list dd { margin: 0; font-weight: 500; }

.notice {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 18px;
  color: var(--text-dim);
  font-size: 0.9rem;
  max-width: 760px;
  margin: 0 0 20px;
}

/* Responsive */
@media (max-width: 720px) {
  .contact-inner { grid-template-columns: 1fr; }
  nav { gap: 18px; }
  .hero { padding: 80px 0 60px; }
  .work-gallery { width: 90vw; }
}