@charset "utf-8";

/* SUB PAGE (프로젝트 상세) */
.sub-body {
  padding-top: 0;
  background: #fff;
}

/* Visual section - editorial magazine style */
.sub-visual {
  width: 100%;
  min-height: 90vh;
  position: relative;
  margin-top: 62px;
  overflow: hidden;
  background: var(--bg);
  padding: 80px 0 40px;
  display: flex;
  align-items: center;
}

.sub-visual-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 44px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: center;
  position: relative;
}

/* Left side - text info */
.sub-visual-text {
  position: relative;
}

.sub-visual-cat {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.sub-visual-cat::before {
  content: '';
  width: 30px;
  height: 1px;
  background: var(--accent);
}

.sub-visual-logo-wrap {
  background: #fff;
  padding: 20px 28px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  margin-bottom: 32px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, .06);
  border: 1px solid var(--border);
}

.sub-visual-logo {
  max-width: 140px;
  max-height: 70px;
  width: auto;
  object-fit: contain;
  display: block;
}

.sub-visual-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 16px;
  letter-spacing: 2px;
  line-height: 1;
}

.sub-visual-desc {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 17px;
  color: #555;
  font-weight: 400;
  letter-spacing: -.3px;
  line-height: 1.6;
  max-width: 440px;
  margin-bottom: 36px;
}

.sub-visual-meta {
  display: flex;
  gap: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  max-width: 440px;
}

.sub-visual-meta-item {
  flex: 1;
}

.sub-visual-meta-label {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--mid);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.sub-visual-meta-val {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}

/* Right side - image */
.sub-visual-img {
  aspect-ratio: 4/5;
  background-size: cover;
  background-position: center;
  border-radius: 24px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .12);
  overflow: hidden;
}

.sub-visual-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, .15) 100%);
}

.sub-visual-badge {
  position: absolute;
  top: 24px;
  right: 24px;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(8px);
  padding: 8px 16px;
  border-radius: 100px;
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sub-visual-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* Body content */
.sub-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 44px 100px;
}

.sub-section {
  margin-bottom: 70px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.sub-section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 28px;
  letter-spacing: 4px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.sub-section-title::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--accent);
}

.sub-overview {
  font-size: 15px;
  color: #444;
  line-height: 2;
  font-weight: 300;
}

.sub-mockup-img,
.sub-color-img,
.sub-page-img {
  width: 100%;
  height: auto;
  display: block;
  image-rendering: auto;
}

.sub-color-img {
  max-width: 275px;
}

.sub-pages {
  margin-top: 40px;
}

.sub-page-section {
  margin-bottom: 60px;
}

.sub-page-label {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 22px;
  letter-spacing: 4px;
  margin-bottom: 20px;
  text-align: center;
  color: var(--ink);
}

.sub-action-wrap {
  margin: 60px auto;
  max-width: 900px;
}

.sub-action {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 44px;
  background: var(--ink);
  color: var(--bg);
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 100px;
  transition: all .3s;
  position: relative;
  overflow: hidden;
}

.sub-action::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateY(100%);
  transition: transform .35s;
}

.sub-action:hover::after {
  transform: translateY(0);
}

.sub-action span {
  position: relative;
  z-index: 1;
}

.sub-back {
  position: fixed;
  top: 82px;
  left: 44px;
  z-index: 400;
  padding: 12px 24px;
  background: var(--ink);
  color: var(--bg);
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 100px;
  transition: all .3s;
}

.sub-back:hover {
  background: var(--accent);
  transform: translateX(-4px);
}

/* TOP BUTTON */
.top-btn {
  position: fixed;
  bottom: 40px;
  right: 40px;
  z-index: 400;
  width: 56px;
  height: 56px;
  background: var(--ink);
  color: var(--bg);
  border: none;
  border-radius: 50%;
  cursor: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 1px;
  transition: all .3s;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .15);
}

.top-btn.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.top-btn:hover {
  background: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(255, 90, 95, .3);
}

.top-btn::before {
  content: '↑';
  font-size: 22px;
}

.sub-404 {
  padding: 200px 40px;
  text-align: center;
}

.sub-404-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 80px;
  letter-spacing: 4px;
  margin-bottom: 20px;
}

.sub-404-desc {
  font-size: 15px;
  color: var(--mid);
  margin-bottom: 30px;
}

@media(max-width:1024px) {
  .sub-visual-inner {
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    padding: 0 32px;
  }
}

@media(max-width:768px) {
  .sub-visual {
    min-height: auto;
    padding: 90px 0 40px;
  }

  .sub-visual-inner {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 0 20px;
  }

  .sub-visual-text {
    order: 2;
  }

  .sub-visual-img {
    order: 1;
    aspect-ratio: 4/3;
    max-height: 320px;
  }

  .sub-visual-cat {
    font-size: 10px;
    margin-bottom: 14px;
  }

  .sub-visual-logo-wrap {
    padding: 14px 20px;
    margin-bottom: 20px;
  }

  .sub-visual-logo {
    max-width: 100px;
    max-height: 50px;
  }

  .sub-visual-title {
    font-size: clamp(32px, 8vw, 48px);
    margin-bottom: 10px;
  }

  .sub-visual-desc {
    font-size: 14px;
    margin-bottom: 24px;
  }

  .sub-visual-badge {
    top: 16px;
    right: 16px;
    font-size: 9px;
    padding: 6px 12px;
  }

  .sub-visual-meta {
    gap: 20px;
    padding-top: 18px;
  }

  .sub-visual-meta-val {
    font-size: 13px;
  }

  .sub-container {
    padding: 40px 20px 60px;
  }

  .sub-back {
    top: 74px;
    left: 20px;
    padding: 10px 18px;
    font-size: 10px;
  }

  .sub-section {
    margin-bottom: 50px;
  }

  .sub-404 {
    padding: 120px 20px;
  }

  .sub-404-title {
    font-size: 50px;
  }

  .top-btn {
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
  }
}