.nav-link {
    font-family: 'Manrope', sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-soft);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 999px;
    transition: color 0.2s, background 0.2s;
  }
  .nav-link:hover {
    color: var(--text);
    background: rgba(255,255,255,0.04);
  }
  .nav-link.active {
    color: var(--cyan);
    background: rgba(94, 229, 214, 0.08);
  }
  .top-cta {
    font-family: 'Manrope', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--bg-deep);
    background: var(--cyan);
    padding: 10px 20px;
    border-radius: 999px;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .top-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(94, 229, 214, 0.35);
  }
  .lang-btn {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    background: transparent;
    border: none;
    color: var(--text-dim);
    padding: 6px 12px;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.2s;
  }
  .lang-btn:hover {
    color: var(--text-soft);
  }
  .lang-btn.active {
    background: rgba(94, 229, 214, 0.12);
    color: var(--cyan);
  }
  .cta-primary {
    background: linear-gradient(135deg, var(--cyan) 0%, var(--blue-bright) 100%);
    color: var(--bg-deep);
    padding: 18px 36px;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.25s, box-shadow 0.25s;
    box-shadow: 0 10px 40px rgba(94, 229, 214, 0.25);
  }
  .cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 50px rgba(94, 229, 214, 0.4);
  }
  .cta-secondary {
    background: transparent;
    color: var(--text);
    padding: 18px 32px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid var(--border-strong);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.25s;
  }
  .cta-secondary:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    background: rgba(94, 229, 214, 0.05);
  }
  .mission-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 36px 32px;
    transition: all 0.3s;
  }
  .mission-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-4px);
    background: var(--bg-card-soft);
  }
  .mission-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(74,142,255,0.15), rgba(94,229,214,0.15));
    border: 1px solid rgba(94, 229, 214, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 700;
    color: var(--cyan);
  }
  .mission-card h3 {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
  }
  .mission-card p {
    font-size: 14px;
    color: var(--text-soft);
    line-height: 1.65;
  }
  .member-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-soft) 100%);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }
  .member-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  }
  .member-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--cyan), transparent);
  }
  .member-card.zaira::before { background: linear-gradient(180deg, var(--purple), transparent); }
  .member-card.youngcheol::before { background: linear-gradient(180deg, var(--gold), transparent); }

  .member-left {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
  }
  .member-avatar {
    width: 80px;
    height: 80px;
    aspect-ratio: 1;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(74,142,255,0.15) 0%, rgba(94,229,214,0.1) 100%);
    border: 1px solid var(--border-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Manrope', sans-serif;
    font-size: 36px;
    font-weight: 800;
    color: var(--cyan);
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
  }
  /* 이미지 로드 실패 / 미존재 시 보일 글자 fallback */
  .member-avatar::before {
    content: attr(data-fallback);
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 0;
  }
  .member-avatar img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    /* alt 비어있어도 깨진 아이콘 안 보이게 */
    color: transparent;
    font-size: 0;
  }
  .member-card.zaira .member-avatar {
    background: linear-gradient(135deg, rgba(167,139,250,0.15) 0%, rgba(233,130,180,0.1) 100%);
    color: var(--purple);
  }
  .member-card.youngcheol .member-avatar {
    background: linear-gradient(135deg, rgba(244,201,118,0.15) 0%, rgba(255,148,86,0.1) 100%);
    color: var(--gold);
  }
  .member-meta {
    display: flex;
    flex-direction: column;
    gap: 3px;
  }
  .member-name {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.02em;
  }
  .member-role-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--cyan);
    letter-spacing: 0.15em;
  }
  .member-card.zaira .member-role-tag { color: var(--purple); }
  .member-card.youngcheol .member-role-tag { color: var(--gold); }

  .member-right {
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .member-right h4 {
    font-size: 10px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-dim);
    letter-spacing: 0.15em;
    margin-bottom: 10px;
    font-weight: 500;
  }
  .member-headline {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.45;
    margin-bottom: 18px;
    letter-spacing: -0.01em;
    color: var(--text);
  }
  .member-strengths {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .member-strengths li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 13px;
    color: var(--text-soft);
    line-height: 1.55;
  }
  .member-strengths li::before {
    content: '';
    flex-shrink: 0;
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--cyan);
    margin-top: 8px;
    box-shadow: 0 0 6px var(--cyan);
  }
  .member-card.zaira .member-strengths li::before {
    background: var(--purple);
    box-shadow: 0 0 6px var(--purple);
  }
  .member-card.youngcheol .member-strengths li::before {
    background: var(--gold);
    box-shadow: 0 0 6px var(--gold);
  }
  .portfolio-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 0;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }
  .portfolio-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-4px);
    background: var(--bg-card-soft);
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  }
  /* 카드 상단 스크린샷 */
  .pf-screenshot {
    width: 100%;
    aspect-ratio: 4 / 3;
    background:
      linear-gradient(135deg, rgba(74, 142, 255, 0.08) 0%, rgba(94, 229, 214, 0.05) 100%),
      var(--bg-card-soft);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
  }
  .pf-screenshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    /* 이미지 로드 실패 시 alt 텍스트 안 보이게 */
    color: transparent;
    font-size: 0;
  }
  .pf-body {
    padding: 28px 28px 28px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  .portfolio-card .pf-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-dim);
    letter-spacing: 0.2em;
    margin-bottom: 16px;
  }
  .portfolio-card .pf-status {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 4px;
    margin-left: 8px;
    font-weight: 600;
    letter-spacing: 0.05em;
    vertical-align: middle;
  }
  .pf-status.live {
    background: rgba(74, 222, 128, 0.15);
    color: var(--green);
    border: 1px solid rgba(74, 222, 128, 0.3);
  }
  .pf-status.beta {
    background: rgba(244, 201, 118, 0.15);
    color: var(--gold);
    border: 1px solid rgba(244, 201, 118, 0.3);
  }
  .pf-status.dev {
    background: rgba(167, 139, 250, 0.15);
    color: var(--purple);
    border: 1px solid rgba(167, 139, 250, 0.3);
  }
  .portfolio-card h3 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 12px;
    line-height: 1.2;
  }
  .portfolio-card .pf-desc {
    font-size: 14px;
    color: var(--text-soft);
    line-height: 1.65;
    margin-bottom: 24px;
  }
  .pf-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
    padding-top: 20px;
  }
  .pf-chip {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--cyan);
    padding: 4px 10px;
    border: 1px solid rgba(94, 229, 214, 0.3);
    background: rgba(94, 229, 214, 0.06);
    border-radius: 999px;
    letter-spacing: 0.05em;
    font-weight: 600;
  }
  .pf-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Manrope', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--cyan);
    margin-top: auto;
  }
  .pf-arrow .arrow { transition: transform 0.25s; }
  .portfolio-card:hover .pf-arrow .arrow { transform: translateX(4px); }
  .portfolio-card.disabled {
    opacity: 0.6;
    cursor: default;
    pointer-events: auto;
  }
  .portfolio-card.disabled:hover {
    transform: none;
    border-color: var(--border);
  }
  .portfolio-card.disabled .pf-arrow {
    color: var(--text-dim);
  }
  .other-build-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 0;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  .other-build-card:hover {
    border-color: var(--border-strong);
    background: var(--bg-card-soft);
    transform: translateY(-2px);
  }
  /* OTHER BUILDS 스크린샷 영역 (4:3) */
  .ob-screenshot {
    width: 100%;
    aspect-ratio: 4 / 3;
    background:
      linear-gradient(135deg, rgba(167, 139, 250, 0.06) 0%, rgba(74, 142, 255, 0.04) 100%),
      var(--bg-card-soft);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
    position: relative;
  }
  .ob-screenshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    color: transparent;
    font-size: 0;
  }
  .ob-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  .other-build-card .ob-tag {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--purple);
    letter-spacing: 0.15em;
    margin-bottom: 10px;
    font-weight: 600;
  }
  .other-build-card h4 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 8px;
    letter-spacing: -0.015em;
    color: var(--text);
  }
  .other-build-card p {
    font-size: 12px;
    color: var(--text-soft);
    line-height: 1.55;
  }
  .other-builds-more-btn {
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text);
    padding: 12px 28px;
    border-radius: 999px;
    font-family: 'Manrope', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }
  .other-builds-more-btn:hover {
    border-color: var(--purple);
    color: var(--purple);
    background: rgba(167, 139, 250, 0.05);
  }
  .other-builds-more-btn .icon {
    display: inline-block;
    transition: transform 0.25s;
    font-size: 16px;
    line-height: 1;
  }
  .other-builds-more-btn.is-open .icon {
    transform: rotate(180deg);
  }
  .collab-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 36px;
  }
  .collab-card h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--cyan);
    letter-spacing: 0.2em;
    margin-bottom: 16px;
  }
  .collab-card .head {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
  }
  .collab-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .collab-card li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--text-soft);
    line-height: 1.65;
  }
  .collab-card li::before {
    content: '→';
    color: var(--cyan);
    font-weight: 700;
    flex-shrink: 0;
  }

  .contact-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-soft) 100%);
    border: 1px solid rgba(94, 229, 214, 0.3);
    border-radius: 24px;
    padding: 56px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .contact-card .stars { opacity: 0.4; }
  .contact-card-inner {
    position: relative;
    z-index: 2;
  }
  .contact-card h3 {
    font-size: 40px;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 16px;
  }
  .contact-card h3 .glow {
    background: linear-gradient(135deg, var(--cyan) 0%, var(--blue-bright) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .contact-card p {
    font-size: 16px;
    color: var(--text-soft);
    margin-bottom: 32px;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.65;
  }
  .contact-email {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(94, 229, 214, 0.1);
    border: 1px solid rgba(94, 229, 214, 0.4);
    padding: 18px 32px;
    border-radius: 999px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 16px;
    color: var(--cyan);
    text-decoration: none;
    transition: all 0.25s;
    margin-bottom: 16px;
  }
  .contact-email:hover {
    background: rgba(94, 229, 214, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(94, 229, 214, 0.2);
  }
  .contact-meta {
    font-size: 12px;
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
  }