/**
 * MONOBUILD 컴포넌트 — 이머시브 다크 테마
 * 수정일: 2026-06-02 10:34 (KST)
 * 용도: 버튼, 카드, 패널, 통계, 매시너리 그리드, 텍스처 그리드, CTA, 푸터
 */

/* ══════════════════════════════════════════
   버튼 — 수정일: 2026-06-02 10:34 (KST)
   ══════════════════════════════════════════ */

/* 글로우 버튼 (주요 CTA) — 수정일: 2026-06-02 10:34 (KST) */
.btn-glow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 40px;
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  background: var(--foreground);
  color: var(--background);
  border: none;
  border-radius: var(--radius-full);
  transition: all var(--transition-smooth);
  box-shadow: var(--shadow-glow);
  cursor: none;
}

.btn-glow:hover {
  box-shadow: var(--shadow-glow-hover);
  transform: scale(1.03);
}

/* 와이어 버튼 (보조 CTA) — 수정일: 2026-06-02 10:34 (KST) */
.btn-wire {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 40px;
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  background: transparent;
  color: var(--foreground);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-full);
  transition: all var(--transition-smooth);
  cursor: none;
}

.btn-wire:hover {
  border-color: var(--foreground);
}

/* 작은 버튼 — 수정일: 2026-06-02 10:34 (KST) */
.btn-sm {
  padding: 10px 28px;
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

/* ══════════════════════════════════════════
   사업영역 수평 스크롤 패널 — 수정일: 2026-06-02 10:34 (KST)
   ══════════════════════════════════════════ */
.biz-horizontal {
  position: relative;
}

.biz-horizontal__header {
  padding: var(--space-section) var(--container-padding) var(--space-2xl);
}

.biz-scroll-container {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0 0 var(--space-section);
}

.biz-scroll-container::-webkit-scrollbar { display: none; }

.biz-scroll-track {
  display: flex;
  gap: 0;
  width: max-content;
  padding: 0 var(--container-padding);
}

/* 개별 패널 — 수정일: 2026-06-02 10:34 (KST) */
.biz-panel {
  width: clamp(320px, 40vw, 520px);
  flex-shrink: 0;
  padding: 0 clamp(12px, 2vw, 24px);
}

.biz-panel__inner {
  height: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: clamp(32px, 3vw, 48px);
  background: var(--card-bg);
  transition: all 0.5s;
  position: relative;
  overflow: hidden;
}

.biz-panel__inner:hover {
  background: var(--card-bg-hover);
  border-color: var(--border-hover);
}

/* 패널 배경 텍스처 — 수정일: 2026-06-02 10:34 (KST) */
.biz-panel__bg-img {
  position: absolute;
  inset: 0;
  opacity: 0;
  background-size: cover;
  background-position: center;
  transition: opacity var(--transition-slow);
  z-index: var(--z-blob);
}

.biz-panel__inner:hover .biz-panel__bg-img { opacity: 0.5; }

.biz-panel__bg-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,10,10,0.5) 0%, rgba(10,10,10,0.15) 100%);
}

/* 패널 번호 — 수정일: 2026-06-02 10:34 (KST) */
.biz-panel__num {
  font-size: 80px;
  font-weight: var(--fw-black);
  -webkit-text-stroke: 1px var(--border-color);
  -webkit-text-fill-color: transparent;
  position: absolute;
  top: 24px;
  right: 28px;
  line-height: 1;
}

/* 패널 아이콘 — 수정일: 2026-06-02 10:34 (KST) */
.biz-panel__icon-wrap {
  width: 56px; height: 56px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xl);
  position: relative;
  z-index: var(--z-content);
}

.biz-panel__icon-wrap svg {
  width: 24px; height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
}

.biz-panel__icon-wrap--blue   { background: rgba(59,130,246,0.1); color: var(--primary); }
.biz-panel__icon-wrap--green  { background: rgba(16,185,129,0.1); color: var(--accent); }
.biz-panel__icon-wrap--amber  { background: rgba(245,158,11,0.1); color: var(--amber); }
.biz-panel__icon-wrap--violet { background: rgba(139,92,246,0.1); color: var(--violet); }

/* 패널 텍스트 — 수정일: 2026-06-02 10:34 (KST) */
.biz-panel__title {
  font-size: var(--text-2xl);
  font-weight: var(--fw-bold);
  color: var(--foreground);
  margin-bottom: 12px;
  position: relative;
  z-index: var(--z-content);
}

.biz-panel__desc {
  font-size: var(--text-base);
  font-weight: var(--fw-light);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
  position: relative;
  z-index: var(--z-content);
}

.biz-panel__tag {
  display: inline-block;
  margin-top: var(--space-lg);
  padding: 6px 16px;
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.06em;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-hover);
  color: var(--text-muted);
  transition: all var(--transition-base);
  position: relative;
  z-index: var(--z-content);
}

.biz-panel__inner:hover .biz-panel__tag {
  color: var(--foreground);
  border-color: var(--border-active);
}

/* ══════════════════════════════════════════
   통계 섹션 — 수정일: 2026-06-02 10:34 (KST)
   ══════════════════════════════════════════ */
.stats-section {
  padding: var(--space-section) var(--container-padding);
  border-top: 1px solid var(--border-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  max-width: var(--max-width);
  margin: 0 auto;
}

.stat-block {
  text-align: center;
  padding: 40px 16px;
  border-right: 1px solid var(--border-color);
}

.stat-block:last-child { border-right: none; }

.stat-block__num {
  font-size: var(--text-stat);
  font-weight: var(--fw-thin);
  line-height: 1;
  color: var(--foreground);
  letter-spacing: var(--ls-snug);
  margin-bottom: var(--space-sm);
}

.stat-block__suffix {
  font-weight: var(--fw-bold);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-block__label {
  font-size: var(--text-xs);
  font-weight: var(--fw-regular);
  color: var(--text-muted);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

/* ══════════════════════════════════════════
   AI 스플릿 레이아웃 — 수정일: 2026-06-02 10:34 (KST)
   ══════════════════════════════════════════ */
.ai-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 80vh;
}

.ai-section__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(40px, 6vw, 100px) clamp(24px, 4vw, 80px);
}

.ai-section__visual {
  position: relative;
  overflow: hidden;
  background: var(--gradient-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 대각선 클립패스 — 수정일: 2026-06-02 10:34 (KST) */
.ai-section__visual::before {
  content: '';
  position: absolute;
  top: 0; left: -10%;
  width: 20%; height: 100%;
  background: var(--background);
  transform: skewX(-3deg);
  z-index: var(--z-overlay-content);
}

/* 텍스처 그리드 — 수정일: 2026-06-02 10:34 (KST) */
.texture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 24px;
  width: 100%; height: 100%;
  position: relative;
  z-index: var(--z-content);
}

.texture-grid__item {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  transition: transform var(--transition-smooth);
}

.texture-grid__item:hover {
  transform: scale(1.06);
  z-index: var(--z-overlay-content);
}

.texture-grid__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

.texture-grid__label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 8px 10px;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  font-size: 10px;
  font-weight: var(--fw-semibold);
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.04em;
}

/* ══════════════════════════════════════════
   매시너리 프로젝트 그리드 — 수정일: 2026-06-02 10:34 (KST)
   ══════════════════════════════════════════ */
.projects-section {
  padding: var(--space-section) var(--container-padding);
}

.projects-section__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.projects-section__link {
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--text-muted);
  letter-spacing: 0.06em;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  padding-bottom: 4px;
  transition: all var(--transition-base);
}

.projects-section__link:hover {
  color: var(--foreground);
  border-color: var(--foreground);
}

.masonry-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(220px, auto);
  gap: 16px;
}

.masonry-item {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  background: linear-gradient(135deg, #151515 0%, #1a1a1a 100%);
}

/* 매시너리 배치 — 수정일: 2026-06-02 10:34 (KST) */
.masonry-item:nth-child(1) { grid-column: 1 / 7; grid-row: span 2; }
.masonry-item:nth-child(2) { grid-column: 7 / 13; grid-row: span 2; }
.masonry-item:nth-child(3) { grid-column: 1 / 5; grid-row: span 2; }
.masonry-item:nth-child(4) { grid-column: 5 / 9; grid-row: span 2; }
.masonry-item:nth-child(5) { grid-column: 9 / 13; grid-row: span 2; }

.masonry-item__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a2332, #0d1a2d);
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.masonry-item__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

.masonry-item:hover .masonry-item__bg { transform: scale(1.06); }

.masonry-item__overlay {
  position: absolute;
  inset: 0;
  z-index: var(--z-content);
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.masonry-item:hover .masonry-item__overlay { opacity: 1; }

.masonry-item__info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: var(--z-overlay-content);
  padding: 28px;
  transform: translateY(12px);
  opacity: 0;
  transition: all var(--transition-smooth);
}

.masonry-item:hover .masonry-item__info {
  transform: translateY(0);
  opacity: 1;
}

.masonry-item__cat {
  font-size: 10px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 6px;
}

.masonry-item__name {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--foreground);
}

/* ══════════════════════════════════════════
   CTA 풀밴드 — 수정일: 2026-06-02 10:34 (KST)
   ══════════════════════════════════════════ */
.cta-final {
  position: relative;
  padding: clamp(100px, 14vw, 200px) var(--container-padding);
  text-align: center;
  overflow: hidden;
}

.cta-final__bg-text {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(80px, 20vw, 280px);
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-tight);
  color: rgba(255,255,255,0.02);
  white-space: nowrap;
  pointer-events: none;
  z-index: var(--z-blob);
}

.cta-final__content { position: relative; z-index: var(--z-content); }

.cta-final__title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: var(--fw-extrabold);
  color: var(--foreground);
  letter-spacing: var(--ls-normal);
  margin-bottom: var(--space-md);
}

.cta-final__desc {
  font-size: var(--text-lg);
  font-weight: var(--fw-light);
  color: rgba(255,255,255,0.35);
  margin-bottom: var(--space-2xl);
}

.cta-final__buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ══════════════════════════════════════════
   푸터 — 수정일: 2026-06-02 10:34 (KST)
   ══════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--border-color);
  padding: var(--space-3xl) var(--container-padding);
}

.footer__top {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
}

.footer__brand {
  font-size: var(--text-base);
  font-weight: var(--fw-extrabold);
  letter-spacing: 0.15em;
  color: var(--text-accent);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.footer__brand-desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: var(--lh-normal);
  max-width: 280px;
}

.footer__nav { display: flex; gap: 48px; }

.footer__col-title {
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.footer__col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-muted);
  padding: 3px 0;
  transition: color var(--transition-fast);
}

.footer__col a:hover { color: var(--foreground); }

.footer__bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.12);
}

/* ══════════════════════════════════════════
   반응형 — 수정일: 2026-06-02 10:34 (KST)
   ══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-block { border-right: none; border-bottom: 1px solid var(--border-color); }
  .ai-section { grid-template-columns: 1fr; }
  .ai-section__visual { min-height: 50vh; }
  .ai-section__visual::before { display: none; }
  .masonry-grid {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: minmax(200px, auto);
  }
  .masonry-item:nth-child(1) { grid-column: 1 / -1; grid-row: span 2; }
  .masonry-item:nth-child(2),
  .masonry-item:nth-child(3),
  .masonry-item:nth-child(4) { grid-column: auto; grid-row: auto; }
  .masonry-item:nth-child(5) { grid-column: 1 / -1; grid-row: auto; }
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .masonry-grid { grid-template-columns: 1fr; }
  .masonry-item:nth-child(1),
  .masonry-item:nth-child(5) { grid-column: auto; }
  .masonry-item__overlay { opacity: 1; }
  .masonry-item__info { transform: none; opacity: 1; }
  .footer__nav { flex-direction: column; gap: 24px; }
  .footer__bottom { flex-direction: column; gap: 8px; }
}