/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

:root {
  --bg: #faf8f5;
  --bg-alt: #f2ede5;
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --ink-mute: #8a8378;
  --line: #e6dfd4;
  --accent: #2f2a24;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Pretendard Variable', Pretendard, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img { max-width: 100%; display: block; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 245, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

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

.brand {
  font-family: 'Cormorant Garamond', serif;
  font-size: 26px;
  letter-spacing: 0.02em;
  font-weight: 400;
}

.nav {
  display: flex;
  gap: 36px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.nav a {
  color: var(--ink-soft);
  transition: color .2s ease;
}

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

/* ---------- Hero ---------- */
.hero {
  padding: 140px 0 120px;
  text-align: center;
}

.hero-eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin: 0 0 28px;
}

.hero-title {
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 32px;
}

.hero-title em {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.hero-desc {
  font-size: 17px;
  color: var(--ink-soft);
  margin: 0 0 48px;
}

.hero-cta {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  letter-spacing: 0.04em;
  font-weight: 500;
  padding: 16px 36px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  transition: background .25s ease, color .25s ease;
}

.hero-cta:hover {
  background: var(--ink);
  color: var(--bg);
}

/* ---------- Section common ---------- */
.section-header {
  margin-bottom: 64px;
  text-align: center;
}

.section-label {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 0;
}

/* ---------- Works ---------- */
.works {
  padding: 120px 0;
  border-top: 1px solid var(--line);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 56px 40px;
}

.work-card {
  display: block;
  transition: transform .4s ease;
}

.work-card:hover { transform: translateY(-4px); }

.work-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 24px;
  display: flex;
  align-items: flex-end;
  padding: 28px;
  background-color: #2a2520;
  background-size: cover;
  background-position: center;
  box-shadow: inset 0 0 0 1px #dfdfdf;
  transition: filter .3s ease, transform .6s ease;
}

.work-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0) 40%, rgba(0,0,0,0.45) 100%);
  pointer-events: none;
  transition: background .3s ease;
}

.work-card:hover .work-thumb { filter: brightness(1.05); }

.work-number {
  position: relative;
  z-index: 1;
  font-family: 'Cormorant Garamond', serif;
  font-size: 48px;
  font-style: italic;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

/* Individual thumb images */
.work-thumb-awakening { background-image: url('images/thumb_01.jpg'); }
.work-thumb-lawyer    { background-image: url('images/thumb_02.jpg'); }
.work-thumb-medicin   { background-image: url('images/thumb_03.jpg'); }
.work-thumb-webbill   { background-image: url('images/thumb_04.jpg'); }
.work-thumb-mute      { background-image: url('images/thumb_05.jpg'); }
.work-thumb-fostory   { background-image: url('images/thumb_06.jpg'); }
.work-thumb-aldore    { background-image: url('images/thumb_07.jpg'); }
.work-thumb-obscura   { background-image: url('images/thumb_08.jpg'); }

.work-info { padding: 0 4px; }

.work-tag {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 10px;
}

.work-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}

.work-desc {
  font-size: 15px;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- Works tabs ---------- */
.works-tabs {
  display: flex;
  gap: 4px;
  width: max-content;
  max-width: 100%;
  margin: -32px auto 56px;
  padding: 5px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

.works-tab {
  font-family: 'Inter', 'Pretendard Variable', Pretendard, sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink-soft);
  background: transparent;
  border: none;
  border-radius: 999px;
  padding: 11px 30px;
  cursor: pointer;
  white-space: nowrap;
  transition: color .2s ease, background .2s ease;
}

.works-tab:hover { color: var(--ink); }

.works-tab.is-active {
  color: #fff;
  background: var(--ink);
}

.works-tab-count {
  font-size: 12px;
  font-weight: 700;
  opacity: 0.55;
  margin-left: 4px;
  vertical-align: 1px;
}

.works-tab.is-active .works-tab-count { opacity: 0.7; }

.works-panel { display: none; }
.works-panel.is-active { display: grid; }

/* ---------- Detail page cards ---------- */
.detail-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 44px 32px;
}

.detail-card {
  display: block;
  transition: transform .4s ease;
}

.detail-card:hover { transform: translateY(-4px); }

.detail-thumb {
  aspect-ratio: 4 / 3;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 20px;
  background: var(--bg-alt);
  box-shadow: inset 0 0 0 1px var(--line);
}

.detail-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.detail-card:hover .detail-thumb img { transform: scale(1.04); }

/* ---------- Detail service CTA ---------- */
.detail-cta {
  grid-column: 1 / -1;
  margin-top: 28px;
  padding: 64px 40px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 8px;
  text-align: center;
}

.detail-cta .section-label { margin-bottom: 14px; }

.detail-cta-title {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 44px;
}

.tier-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 760px;
  margin: 0 auto 36px;
  text-align: left;
}

.tier {
  position: relative;
  padding: 28px 24px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.tier--featured {
  background: var(--ink);
  border-color: var(--ink);
}

.tier-badge {
  position: absolute;
  top: -11px;
  left: 24px;
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--ink-mute);
  padding: 4px 10px;
  border-radius: 999px;
}

.tier--featured .tier-badge { background: #b89b6e; color: #1a1a1a; }

.tier-name {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.tier-size {
  display: block;
  font-size: 13px;
  color: var(--ink-mute);
  margin-bottom: 16px;
}

.tier-desc {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0;
}

.tier--featured .tier-name { color: var(--bg); }
.tier--featured .tier-size { color: rgba(255,255,255,0.6); }
.tier--featured .tier-desc { color: rgba(255,255,255,0.82); }

.tier-note {
  font-size: 14px;
  color: var(--ink-mute);
  margin: 0 0 32px;
}

/* ---------- About ---------- */
.about {
  padding: 120px 0;
  background: var(--bg-alt);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-text .section-label { margin-bottom: 14px; }

.about-text .section-title {
  margin-bottom: 32px;
  text-align: left;
}

.about-text p {
  font-size: 16px;
  color: var(--ink-soft);
  margin: 0 0 20px;
}

.about-text strong {
  color: var(--ink);
  font-weight: 700;
}

.about-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.about-item {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.about-item:last-child { border-bottom: 1px solid var(--line); }

.about-item h4 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.about-item p {
  font-size: 15px;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- Contact ---------- */
.contact {
  padding: 140px 0;
  text-align: center;
}

.contact .section-label { margin-bottom: 14px; }

.contact .section-title { margin-bottom: 28px; }

.contact-desc {
  font-size: 17px;
  color: var(--ink-soft);
  margin: 0 0 56px;
}

.contact-links {
  display: flex;
  justify-content: center;
}

.contact-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 28px 48px;
  border: 1px solid var(--line);
  border-radius: 4px;
  transition: border-color .25s ease, background .25s ease;
}

.contact-link:hover {
  border-color: var(--ink);
  background: #fff;
}

.contact-label {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.contact-value {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--line);
  text-align: center;
}

.site-footer p {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--ink-mute);
  margin: 0;
  letter-spacing: 0.04em;
}

.site-footer .footer-biz {
  font-family: inherit;
  margin-bottom: 8px;
  letter-spacing: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .container { padding: 0 24px; }

  .nav { gap: 22px; font-size: 13px; }

  .hero { padding: 96px 0 80px; }

  .works, .about, .contact { padding: 80px 0; }

  .work-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .detail-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 20px;
  }

  .detail-cta { padding: 48px 24px; }

  .tier-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .tier-badge { top: -10px; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .section-header { margin-bottom: 40px; }

  .contact-link { padding: 24px 32px; }
}

@media (max-width: 480px) {
  .site-header .container { height: 60px; }
  .brand { font-size: 22px; }
  .nav { gap: 16px; }
  .hero-desc, .contact-desc { font-size: 15px; }
  .detail-grid { grid-template-columns: 1fr; }
  .works-tabs { margin-top: -16px; }
}