:root {
      /* Calm & Modern Architectural Color System */
      --goth-lime: #E2E8F0;
      --goth-lime-hover: #CBD5E1;
      --goth-black: #0F1115;
      --goth-deep: #090A0D;
      --goth-ink: #111318;
      --goth-bg-light: #FAFAFA;
      --goth-bg-gray: #F2F4F7;
      --goth-bg-card: #FFFFFF;
      --goth-white: #FFFFFF;
      --goth-muted: #646A77;
      --goth-gray-500: #858C9B;
      --goth-line-dark: rgba(17, 19, 24, 0.1);
      --goth-line-subtle: rgba(17, 19, 24, 0.08);
      --goth-line-on-dark: rgba(255, 255, 255, 0.1);

      /* Compatibility variables for modals & rich content */
      --bg-dark: #0F1115;
      --bg-charcoal: #15181F;
      --bg-card: #1A1D26;
      --bg-light: #FAFAFA;
      --bg-white: #FFFFFF;
      --blue-primary: #111318;
      --blue-accent: #E2E8F0;
      --cyan-accent: #E2E8F0;
      --text-white: #FFFFFF;
      --text-silver: #D0D5DD;
      --text-muted: #646A77;
      --text-dark: #111318;
      --text-body: #474D59;
      --border-dark: rgba(255, 255, 255, 0.1);
      --border-light: rgba(17, 19, 24, 0.08);
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      font-family: 'Pretendard', 'Open Sans', -apple-system, BlinkMacSystemFont, 'Malgun Gothic', sans-serif;
      background: var(--goth-bg-light);
      color: var(--goth-ink);
    }

    body {
      overflow-x: hidden;
      line-height: 1.65;
      background: var(--goth-bg-light);
      color: var(--goth-ink);
      -webkit-font-smoothing: antialiased;
      letter-spacing: -0.01em;
    }

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

    /* ================= CALM MODERN HEADER / GNB ================= */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 76px;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(17, 19, 24, 0.07);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 4%;
      transition: var(--transition);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      font-size: 1.15rem;
      letter-spacing: -0.02em;
      color: var(--goth-ink);
    }

    .brand-ci-img {
      height: 22px;
      width: auto;
      display: block;
      object-fit: contain;
    }

    .brand-logo-box {
      padding: 4px 10px;
      border-radius: 6px;
      background: var(--goth-ink);
      color: #FFFFFF;
      font-weight: 700;
      font-size: 0.78rem;
      letter-spacing: 0.05em;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .brand-wordmark {
      font-size: 1.1rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      color: var(--goth-ink);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-wordmark span.sub {
      font-size: 0.7rem;
      font-weight: 500;
      color: var(--goth-muted);
      letter-spacing: 0.02em;
      border-left: 1px solid rgba(17, 19, 24, 0.18);
      padding-left: 8px;
      margin-left: 2px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      list-style: none;
    }

    .nav-links a {
      font-size: 0.88rem;
      font-weight: 500;
      color: #525866;
      padding: 8px 16px;
      border-radius: 8px;
      transition: background 0.25s ease, color 0.25s ease;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    .nav-links a:hover,
    .nav-links a.active {
      background: rgba(17, 19, 24, 0.05);
      color: var(--goth-ink);
      font-weight: 600;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn-pentaris {
      padding: 8px 16px;
      border-radius: 8px;
      font-size: 0.8rem;
      font-weight: 600;
      letter-spacing: 0.03em;
      border: 1px solid rgba(17, 19, 24, 0.14);
      background: transparent;
      color: var(--goth-ink);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }

    .btn-pentaris:hover {
      background: #F2F4F7;
      border-color: rgba(17, 19, 24, 0.28);
      color: var(--goth-ink);
    }

    .btn-cta-sm {
      padding: 8px 18px;
      border-radius: 8px;
      font-size: 0.82rem;
      font-weight: 600;
      background: var(--goth-ink);
      color: #FFFFFF;
      transition: var(--transition);
    }

    .btn-cta-sm:hover {
      background: #2A2F3B;
      color: #FFFFFF;
    }

    .mobile-menu-btn {
      display: none;
      width: 38px;
      height: 38px;
      border-radius: 8px;
      border: 1px solid rgba(17, 19, 24, 0.15);
      background: transparent;
      color: var(--goth-ink);
      font-size: 1.05rem;
      cursor: pointer;
      align-items: center;
      justify-content: center;
    }

    .mobile-drawer {
      position: fixed;
      top: 76px;
      left: 0;
      right: 0;
      background: rgba(15, 17, 21, 0.98);
      backdrop-filter: blur(16px);
      color: #FFFFFF;
      padding: 20px 5%;
      z-index: 999;
      display: none;
      flex-direction: column;
      gap: 6px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }

    .mobile-drawer.open {
      display: flex;
    }

    .mobile-drawer a {
      font-size: 0.95rem;
      font-weight: 500;
      padding: 11px 14px;
      border-radius: 8px;
      color: #E2E8F0;
      text-transform: uppercase;
      letter-spacing: 0.03em;
    }

    .mobile-drawer a:hover {
      background: rgba(255, 255, 255, 0.08);
      color: #FFFFFF;
    }

    /* ================= CALM ARCHITECTURAL HERO ================= */
    .hero {
      position: relative;
      min-height: 86vh;
      margin-top: 76px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      background: #0F1115;
      color: #FFFFFF;
      overflow: hidden;
      padding: 0;
    }

    .hero-bg-layer {
      position: absolute;
      inset: 0;
      z-index: 1;
    }

    .hero-bg-layer img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: brightness(0.58) contrast(1.03);
      transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s ease;
    }

    .hero-bg-overlay {
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(15,17,21,0.42) 0%, rgba(15,17,21,0.3) 48%, rgba(15,17,21,0.9) 100%);
      z-index: 2;
    }

    .hero-center-stage {
      position: relative;
      z-index: 5;
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      justify-content: center;
      text-align: left;
      padding: 88px 4% 48px;
      max-width: 1360px;
      margin: 0 auto;
      width: 100%;
    }

    .hero-pill-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.12) !important;
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #F8FAFC !important;
      font-size: 0.76rem !important;
      font-weight: 600 !important;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      margin-bottom: 22px !important;
    }

    /* Clean Poised Editorial Title */
    .hero-stroke-title {
      font-size: clamp(2.4rem, 4.8vw, 4.4rem);
      font-weight: 700;
      color: #FFFFFF;
      -webkit-text-stroke: 0px transparent;
      letter-spacing: -0.03em;
      line-height: 1.12;
      text-transform: uppercase;
      margin-bottom: 16px;
    }

    .hero-sub-headline {
      font-size: clamp(1.1rem, 1.7vw, 1.4rem);
      font-weight: 500;
      color: #F1F5F9;
      letter-spacing: -0.015em;
      margin-bottom: 12px;
    }

    .hero-project-caption {
      font-size: 0.95rem;
      color: rgba(255, 255, 255, 0.7);
      max-width: 620px;
      margin: 0 0 34px;
      line-height: 1.65;
    }

    .hero-buttons {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-start;
      gap: 12px;
    }

    .btn-primary {
      padding: 13px 26px;
      border-radius: 8px;
      background: #FFFFFF;
      color: #111318;
      font-weight: 600;
      font-size: 0.9rem;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
      border: 1px solid #FFFFFF;
      cursor: pointer;
    }

    .btn-primary:hover {
      background: #F1F5F9;
      border-color: #F1F5F9;
      color: #111318;
      transform: translateY(-1px);
    }

    .btn-outline {
      padding: 13px 24px;
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.06);
      backdrop-filter: blur(8px);
      color: #FFFFFF;
      border: 1px solid rgba(255, 255, 255, 0.24);
      font-weight: 500;
      font-size: 0.9rem;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
      cursor: pointer;
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.16);
      border-color: rgba(255, 255, 255, 0.45);
      color: #FFFFFF;
    }

    /* Bottom Slide Switcher Bar inside Hero */
    .hero-bottom-bar {
      position: relative;
      z-index: 5;
      background: rgba(15, 17, 21, 0.72);
      backdrop-filter: blur(16px);
      border-top: 1px solid rgba(255, 255, 255, 0.09);
      padding: 20px 4%;
    }

    .hero-bottom-inner {
      max-width: 1360px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 32px;
      align-items: center;
    }

    .showcase-thumbs {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
    }

    .thumb-btn {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 8px;
      padding: 12px 14px;
      text-align: left;
      color: rgba(255, 255, 255, 0.75);
      cursor: pointer;
      transition: var(--transition);
    }

    .thumb-btn .t-cat {
      font-size: 0.66rem;
      color: rgba(255, 255, 255, 0.48);
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    .thumb-btn .t-name {
      font-size: 0.82rem;
      font-weight: 600;
      margin-top: 3px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .thumb-btn.active,
    .thumb-btn:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.38);
      color: #FFFFFF;
    }

    .thumb-btn.active .t-cat,
    .thumb-btn:hover .t-cat {
      color: rgba(255, 255, 255, 0.85);
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      border-left: 1px solid rgba(255, 255, 255, 0.1);
      padding-left: 24px;
    }

    .metric-item .num {
      font-size: 1.25rem;
      font-weight: 700;
      color: #FFFFFF;
      letter-spacing: -0.02em;
    }

    .metric-item .num span {
      color: #94A3B8;
      font-weight: 500;
      font-size: 0.95rem;
      margin-left: 2px;
    }

    .metric-item .label {
      font-size: 0.74rem;
      color: rgba(255, 255, 255, 0.55);
      margin-top: 2px;
    }

    /* ================= CALM EDITORIAL MANIFESTO STRIP ================= */
    .goth-manifesto-sec {
      background: #FFFFFF;
      padding: 76px 4% 56px;
      border-bottom: 1px solid rgba(17, 19, 24, 0.06);
    }

    .goth-manifesto-text {
      max-width: 1360px;
      margin: 0 auto;
      font-size: clamp(1.35rem, 2.2vw, 2.05rem);
      font-weight: 400;
      line-height: 1.5;
      letter-spacing: -0.02em;
      color: #262B36;
      text-align: left;
      transition: all 0.4s ease;
    }

    .goth-manifesto-text span.lime-mark {
      background: transparent;
      color: var(--goth-ink);
      padding: 0;
      font-weight: 700;
      border-bottom: 1.5px solid rgba(17, 19, 24, 0.35);
    }

    .goth-manifesto-sub {
      max-width: 1360px;
      margin: 28px auto 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      padding-top: 20px;
      border-top: 1px solid rgba(17, 19, 24, 0.08);
      font-size: 0.88rem;
      color: var(--goth-muted);
      font-weight: 400;
    }

    /* ================= SECTION COMMON (CALM ARCHITECTURAL GRID) ================= */
    section {
      padding: 104px 4%;
    }

    .container {
      max-width: 1360px;
      margin: 0 auto;
    }

    .goth-section-rule {
      width: 100%;
      border: 0;
      border-top: 1px solid rgba(17, 19, 24, 0.08);
      margin-bottom: 28px;
    }

    .sec-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      gap: 24px;
      margin-bottom: 48px;
      flex-wrap: wrap;
      padding-bottom: 24px;
      border-bottom: 1px solid rgba(17, 19, 24, 0.08);
    }

    .sec-eyebrow {
      font-size: 0.74rem;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--goth-muted);
      background: transparent;
      padding: 0;
      margin-bottom: 10px;
      display: inline-block;
    }

    .sec-title {
      font-size: clamp(1.65rem, 2.5vw, 2.35rem);
      font-weight: 700;
      letter-spacing: -0.025em;
      line-height: 1.22;
      color: var(--goth-ink);
    }

    .sec-desc {
      color: var(--goth-muted);
      max-width: 520px;
      font-size: 0.92rem;
      line-height: 1.7;
    }

    /* ================= PORTFOLIO / WORKS (CALM 3-COL GALLERY GRID) ================= */
    #works {
      background: var(--goth-bg-light);
      color: var(--goth-ink);
      padding-top: 72px;
    }

    .portfolio-controls {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }

    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .filter-btn {
      padding: 8px 18px;
      border-radius: 8px;
      border: 1px solid rgba(17, 19, 24, 0.1);
      background: #FFFFFF;
      color: #525866;
      font-size: 0.84rem;
      font-weight: 500;
      cursor: pointer;
      transition: var(--transition);
    }

    .filter-btn:hover {
      border-color: rgba(17, 19, 24, 0.25);
      color: var(--goth-ink);
      background: #F8FAFC;
    }

    .filter-btn.active {
      background: var(--goth-ink);
      border-color: var(--goth-ink);
      color: #FFFFFF;
      font-weight: 600;
    }

    .search-box {
      position: relative;
      min-width: 260px;
    }

    .search-input {
      width: 100%;
      padding: 9px 16px;
      border-radius: 8px;
      border: 1px solid rgba(17, 19, 24, 0.12);
      background: #FFFFFF;
      color: var(--goth-ink);
      font-family: inherit;
      font-size: 0.85rem;
      transition: border-color 0.2s ease;
    }

    .search-input:focus {
      outline: none;
      border-color: var(--goth-ink);
    }

    /* Clean Architectural 3-Column Work Grid */
    .portfolio-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 44px 28px;
    }

    .work-card {
      background: transparent;
      border: none;
      border-radius: 0;
      overflow: visible;
      transition: var(--transition);
      cursor: pointer;
      display: flex;
      flex-direction: column;
    }

    .work-thumb {
      position: relative;
      aspect-ratio: 4 / 3;
      background: #ECEEF2;
      overflow: hidden;
      border-radius: 10px;
    }

    .work-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    .work-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      padding: 4px 10px;
      border-radius: 6px;
      background: rgba(15, 17, 21, 0.62);
      backdrop-filter: blur(8px);
      color: rgba(255, 255, 255, 0.92);
      font-size: 0.65rem;
      font-weight: 500;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      transition: background 0.25s ease;
    }

    .work-card:hover .work-badge {
      background: rgba(15, 17, 21, 0.88);
      color: #FFFFFF;
    }

    .work-body {
      padding: 16px 2px 4px;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .work-kor {
      font-size: 0.84rem;
      font-weight: 400;
      color: var(--goth-muted);
      line-height: 1.4;
      margin-bottom: 2px;
    }

    .work-title {
      font-size: 1.12rem;
      font-weight: 600;
      color: var(--goth-ink);
      line-height: 1.3;
      letter-spacing: -0.015em;
      display: inline;
      transition: color 0.2s ease;
    }

    .work-card:hover .work-title {
      background-color: transparent;
      color: #475569;
    }

    .work-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 8px;
      padding-top: 8px;
      border-top: 1px solid rgba(17, 19, 24, 0.06);
      font-size: 0.75rem;
      color: #858C9B;
    }

    .work-meta .more {
      color: var(--goth-muted);
      font-weight: 500;
      padding: 0;
      background: transparent;
      transition: var(--transition);
    }

    .work-card:hover .work-meta .more {
      background: transparent;
      color: var(--goth-ink);
    }

    .portfolio-more-wrap {
      text-align: center;
      margin-top: 56px;
    }

    .btn-goth-dark {
      padding: 14px 34px;
      border-radius: 8px;
      background: #FFFFFF;
      color: var(--goth-ink);
      font-size: 0.88rem;
      font-weight: 600;
      border: 1px solid rgba(17, 19, 24, 0.16);
      cursor: pointer;
      transition: var(--transition);
    }

    .btn-goth-dark:hover {
      background: var(--goth-ink);
      border-color: var(--goth-ink);
      color: #FFFFFF;
    }

    /* ================= 4 CORE DIVISIONS & ONESTOP SOLUTIONS BOUNDARY ================= */
    .divisions-sec {
      background: #F4F5F7;
      color: var(--goth-ink);
      border-top: 1px solid rgba(17, 19, 24, 0.06);
      border-bottom: 1px solid rgba(17, 19, 24, 0.06);
    }

    .goth-split-row {
      display: grid;
      grid-template-columns: 0.28fr 0.72fr;
      gap: 44px;
      padding: 12px 0 56px;
    }

    .goth-split-label {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--goth-ink);
      text-transform: uppercase;
      letter-spacing: 0.02em;
      line-height: 1.45;
    }

    .goth-split-label span.arrow-badge {
      display: inline-flex;
      width: 26px;
      height: 26px;
      border-radius: 6px;
      background: var(--goth-ink);
      color: #FFFFFF;
      align-items: center;
      justify-content: center;
      font-size: 0.78rem;
      margin-right: 8px;
    }

    .goth-onestop-heading {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--goth-ink);
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      gap: 10px;
      letter-spacing: -0.01em;
    }

    .goth-onestop-table {
      width: 100%;
      border-top: 1px solid rgba(17, 19, 24, 0.14);
      border-bottom: 1px solid rgba(17, 19, 24, 0.14);
    }

    .goth-onestop-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding: 20px 16px;
      border-bottom: 1px solid rgba(17, 19, 24, 0.08);
      transition: background 0.25s ease;
    }

    .goth-onestop-row:last-child {
      border-bottom: none;
    }

    .goth-onestop-row:hover {
      background: rgba(17, 19, 24, 0.03);
    }

    .goth-onestop-title {
      width: 28%;
      font-size: 1.08rem;
      font-weight: 600;
      color: var(--goth-ink);
    }

    .goth-onestop-desc {
      width: 64%;
      font-size: 0.92rem;
      color: #474D59;
      line-height: 1.65;
    }

    .goth-onestop-icon {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: rgba(17, 19, 24, 0.06);
      color: var(--goth-ink);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      font-weight: 600;
      flex-shrink: 0;
      transition: var(--transition);
    }

    .goth-onestop-row:hover .goth-onestop-icon {
      background: var(--goth-ink);
      color: #FFFFFF;
    }

    /* 4 Core Divisions Interactive Cards (Calm Modern Architectural Cards) */
    .divisions-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 22px;
    }

    .div-card {
      background: #FFFFFF;
      border: 1px solid rgba(17, 19, 24, 0.08);
      border-radius: 14px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
      cursor: pointer;
      color: var(--goth-ink);
    }

    .div-card:hover {
      background: #FFFFFF;
      border-color: rgba(17, 19, 24, 0.24);
      transform: translateY(-4px);
      box-shadow: 0 18px 38px rgba(15, 17, 21, 0.07);
    }

    .div-img-wrap {
      height: 180px;
      position: relative;
      overflow: hidden;
      background: #111318;
    }

    .div-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }

    .div-card:hover .div-img-wrap img {
      transform: scale(1.04);
    }

    .div-count-pill {
      position: absolute;
      top: 12px;
      right: 12px;
      padding: 4px 10px;
      border-radius: 6px;
      background: rgba(15, 17, 21, 0.68);
      backdrop-filter: blur(8px);
      font-size: 0.7rem;
      font-weight: 600;
      color: #FFFFFF;
    }

    .div-body {
      padding: 26px 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .div-num {
      font-size: 0.72rem;
      font-weight: 600;
      color: var(--goth-muted);
      letter-spacing: 0.08em;
      margin-bottom: 6px;
    }

    .div-title {
      font-size: 1.24rem;
      font-weight: 700;
      margin-bottom: 4px;
      color: var(--goth-ink);
      letter-spacing: -0.02em;
    }

    .div-slogan {
      font-size: 0.8rem;
      color: var(--goth-muted);
      font-weight: 500;
      margin-bottom: 12px;
    }

    .div-desc {
      font-size: 0.88rem;
      color: #474D59;
      margin-bottom: 20px;
      line-height: 1.65;
    }

    .div-card:hover .div-desc {
      color: #262B36;
    }

    .div-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: auto;
    }

    .div-tags span {
      font-size: 0.72rem;
      font-weight: 500;
      padding: 4px 10px;
      border-radius: 6px;
      background: #F4F5F7;
      color: #474D59;
      transition: var(--transition);
    }

    .div-card:hover .div-tags span {
      background: #E9ECEF;
      color: var(--goth-ink);
    }

    /* ================= ABOUT, ACHIEVEMENTS & PATENTS ================= */
    .about-sec {
      background: #FFFFFF;
      color: var(--goth-ink);
    }

    .goth-achievements-grid {
      display: grid;
      grid-template-columns: 0.26fr 0.74fr;
      gap: 44px;
      padding-top: 12px;
      margin-bottom: 48px;
    }

    .goth-big-stacked-title {
      font-size: clamp(1.75rem, 2.6vw, 2.35rem);
      font-weight: 300;
      line-height: 1.15;
      color: var(--goth-ink);
      text-transform: uppercase;
      letter-spacing: -0.02em;
    }

    .goth-big-stacked-title strong {
      background: transparent;
      color: var(--goth-ink);
      font-weight: 700;
      padding: 0;
      display: inline-block;
      margin-top: 6px;
      border-bottom: 2px solid var(--goth-ink);
    }

    .philosophy-banner {
      background: #0F1115;
      color: #FFFFFF;
      border-radius: 16px;
      padding: 48px;
      margin-bottom: 40px;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .phil-quote {
      font-size: clamp(1.35rem, 2vw, 1.85rem);
      font-weight: 600;
      line-height: 1.4;
      margin-bottom: 18px;
      color: #FFFFFF;
      letter-spacing: -0.02em;
    }

    .phil-quote span {
      background: rgba(255, 255, 255, 0.12);
      color: #FFFFFF;
      padding: 2px 10px;
      border-radius: 6px;
    }

    .phil-text {
      color: #B0B7C3;
      font-size: 0.94rem;
      line-height: 1.8;
    }

    .process-diagram {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 12px;
      padding: 24px 26px;
    }

    .process-step {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 14px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .process-step:last-child {
      border-bottom: none;
    }

    .step-badge {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.12);
      color: #FFFFFF;
      font-weight: 600;
      font-size: 0.78rem;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .credibility-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
      margin-bottom: 32px;
    }

    .cred-card {
      background: #FAFAFA;
      border: 1px solid rgba(17, 19, 24, 0.08);
      border-radius: 14px;
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .cred-card:hover {
      background: #FFFFFF;
      border-color: rgba(17, 19, 24, 0.2);
      box-shadow: 0 14px 30px rgba(15, 17, 21, 0.05);
    }

    .cred-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--goth-ink);
    }

    .cred-card h3 .dot-blue {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--goth-ink);
      border: none;
    }

    .cred-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-bottom: 18px;
    }

    .cred-list li {
      font-size: 0.86rem;
      color: #525866;
      display: flex;
      justify-content: space-between;
      gap: 10px;
      padding-bottom: 8px;
      border-bottom: 1px solid rgba(17, 19, 24, 0.06);
    }

    .cred-list li strong {
      color: var(--goth-ink);
      font-weight: 600;
      text-align: right;
    }

    .cred-banner-img {
      width: 100%;
      height: 58px;
      object-fit: contain;
      background: #FFFFFF;
      border: 1px solid rgba(17, 19, 24, 0.08);
      border-radius: 8px;
      padding: 6px;
      margin-top: auto;
    }

    .patent-showcase-card {
      background: #FAFAFA;
      border: 1px solid rgba(17, 19, 24, 0.08);
      border-radius: 16px;
      padding: 36px;
    }

    .patent-showcase-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 24px;
    }

    .patent-img-wrap {
      width: 100%;
      border-radius: 10px;
      overflow: hidden;
      border: 1px solid rgba(17, 19, 24, 0.08);
      background: #fff;
    }

    .patent-img-wrap img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* ================= PENTARIS MARINE SPOTLIGHT (DEEP ARCHITECTURAL DARK SECTION) ================= */
    .pentaris-sec {
      background: #0F1115;
      color: #FFFFFF;
    }

    .pentaris-sec .sec-head {
      border-bottom-color: rgba(255, 255, 255, 0.1);
    }

    .pentaris-sec .sec-title {
      color: #FFFFFF;
    }

    .pentaris-sec .sec-desc {
      color: #B0B7C3;
    }

    .pentaris-box {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: 52px;
      align-items: center;
    }

    .pentaris-logo-img {
      height: 38px;
      margin-bottom: 18px;
      object-fit: contain;
    }

    .showcase-main-card {
      position: relative;
      border-radius: 14px;
      overflow: hidden;
      background: #161920;
      border: 1px solid rgba(255, 255, 255, 0.12);
      aspect-ratio: 16 / 10.5;
    }

    .showcase-main-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }

    .showcase-main-card:hover img {
      transform: scale(1.03);
    }

    .showcase-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15,17,21,0.05) 0%, rgba(15,17,21,0.88) 100%);
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 28px;
      color: #FFFFFF;
    }

    .showcase-tag {
      display: inline-block;
      align-self: flex-start;
      padding: 4px 12px;
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.14);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #FFFFFF;
      font-size: 0.7rem;
      font-weight: 600;
      margin-bottom: 10px;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .showcase-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 4px;
      color: #FFFFFF;
      letter-spacing: -0.01em;
    }

    .showcase-sub {
      font-size: 0.85rem;
      color: #CBD5E1;
    }

    /* ================= DESIGN STORY / NEWSROOM ================= */
    #stories {
      background: var(--goth-bg-light);
      color: var(--goth-ink);
    }

    .filter-toolbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .story-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px 24px;
    }

    .story-card {
      background: #FFFFFF;
      border: 1px solid rgba(17, 19, 24, 0.08);
      border-radius: 14px;
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      cursor: pointer;
    }

    .story-card:hover {
      border-color: rgba(17, 19, 24, 0.22);
      transform: translateY(-4px);
      box-shadow: 0 16px 34px rgba(15, 17, 21, 0.06);
    }

    .story-thumb {
      aspect-ratio: 16 / 9.5;
      background: #ECEEF2;
      overflow: hidden;
      position: relative;
    }

    .story-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.55s ease;
    }

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

    .story-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .story-cat {
      font-size: 0.72rem;
      font-weight: 600;
      color: var(--goth-muted);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin-bottom: 8px;
    }

    .story-title {
      font-size: 1.08rem;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.42;
      color: var(--goth-ink);
      transition: color 0.2s ease;
      display: inline;
    }

    .story-card:hover .story-title {
      background-color: transparent;
      color: #334155;
    }

    .story-desc {
      font-size: 0.86rem;
      color: #525866;
      margin-top: 10px;
      margin-bottom: 18px;
      line-height: 1.65;
    }

    .story-date {
      font-size: 0.75rem;
      color: #858C9B;
      border-top: 1px solid rgba(17, 19, 24, 0.07);
      padding-top: 14px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    .story-actions {
      display: flex;
      gap: 6px;
      align-items: center;
    }

    .story-btn-inline {
      background: #F4F5F7;
      border: 1px solid rgba(17, 19, 24, 0.08);
      color: #525866;
      padding: 5px 11px;
      border-radius: 6px;
      font-size: 0.73rem;
      font-weight: 500;
      cursor: pointer;
      transition: var(--transition);
    }

    .story-btn-inline:hover {
      background: #E2E8F0;
      color: var(--goth-ink);
    }

    .story-btn-read {
      background: var(--goth-ink);
      border: 1px solid var(--goth-ink);
      color: #FFFFFF;
      padding: 5px 12px;
      border-radius: 6px;
      font-size: 0.74rem;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
    }

    .story-btn-read:hover {
      background: #2A2F3B;
      color: #FFFFFF;
    }

    /* Inline Expanded Full Story Mode */
    .story-grid.expanded-all {
      grid-template-columns: 1fr;
    }

    .story-card.expanded {
      grid-column: 1 / -1;
      cursor: default;
      transform: none !important;
      background: #0F1115;
      color: #FFFFFF;
      border-color: rgba(255, 255, 255, 0.14);
    }

    .story-card.expanded .story-cat,
    .story-card.expanded .story-title,
    .story-card.expanded .story-desc {
      color: #FFFFFF;
      background: transparent;
    }

    .story-card.expanded .story-thumb {
      max-height: 420px;
    }

    .story-inline-full {
      display: none;
      margin-top: 20px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
    }

    .story-card.expanded .story-inline-full {
      display: block;
    }

    /* Rich Article Typography (Used in Modal & Inline Expansion) */
    .story-rich-content {
      color: #E2E8F0;
      font-size: 0.98rem;
      line-height: 1.88;
      word-break: keep-all;
    }

    .story-rich-content h2 {
      font-size: 1.32rem;
      font-weight: 700;
      color: #FFFFFF;
      margin: 32px 0 16px;
      padding-left: 14px;
      border-left: 3px solid #94A3B8;
      line-height: 1.45;
    }

    .story-rich-content h3 {
      font-size: 1.14rem;
      font-weight: 700;
      color: #F1F5F9;
      margin: 28px 0 12px;
      line-height: 1.45;
    }

    .story-rich-content p {
      margin-bottom: 16px;
      color: #CBD5E1;
    }

    .story-rich-content strong,
    .story-rich-content b {
      color: #FFFFFF;
      font-weight: 600;
    }

    .story-rich-content ul {
      margin: 16px 0 24px;
      padding-left: 0;
      list-style: none;
      display: grid;
      gap: 14px;
    }

    .story-rich-content ul li {
      background: #161920;
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-left: 3px solid #94A3B8;
      border-radius: 10px;
      padding: 16px 20px;
      color: #E2E8F0;
    }

    .story-rich-content ul li p {
      margin-bottom: 0;
    }

    .story-rich-content .story-sub-point {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 8px;
      padding: 14px 18px;
      margin-bottom: 12px;
    }

    .story-rich-content img {
      width: 100%;
      max-width: 100%;
      height: auto;
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      margin: 22px 0;
      display: block;
      background: #0D1117;
    }

    .story-rich-content .img-caption {
      text-align: center;
      font-size: 0.84rem;
      color: #94A3B8;
      margin-top: -12px;
      margin-bottom: 22px;
    }

    .story-rich-content hr {
      border: 0;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      margin: 32px 0;
    }

    /* White Background Source Box inside Story Board (Preserved as requested!) */
    .story-source-box {
      margin-top: 32px;
      padding: 26px 24px;
      border-radius: 12px;
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.14);
      text-align: center;
      color: #0F172A;
      font-size: 0.9rem;
      line-height: 1.85;
    }

    .story-source-box strong {
      color: #0F172A !important;
      font-weight: 700;
    }

    .story-source-box a {
      color: #1E293B !important;
      font-weight: 600;
      text-decoration: none;
    }

    .story-source-box a:hover {
      text-decoration: underline;
    }

    .story-source-box img {
      width: 220px !important;
      max-width: 70% !important;
      height: auto !important;
      margin: 14px auto 0 !important;
      border: none !important;
      background: transparent !important;
      display: block !important;
    }

    /* ================= CONTACT SECTION (CALM ARCHITECTURAL DARK) ================= */
    .contact-sec {
      background: #0F1115;
      color: #FFFFFF;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .contact-sec .sec-head {
      border-bottom-color: rgba(255, 255, 255, 0.1);
    }

    .contact-sec .sec-title {
      color: #FFFFFF;
    }

    .contact-sec .sec-desc {
      color: #B0B7C3;
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 36px;
    }

    .contact-info-card {
      background: #161920;
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 16px;
      padding: 36px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .info-row {
      display: flex;
      gap: 16px;
      margin-bottom: 22px;
    }

    .info-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: rgba(255, 255, 255, 0.08);
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      flex-shrink: 0;
    }

    .info-label {
      font-size: 0.72rem;
      color: #858C9B;
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    .info-val {
      font-size: 0.94rem;
      font-weight: 500;
      color: #F1F5F9;
      margin-top: 3px;
    }

    .map-frame {
      margin-top: 16px;
      border-radius: 10px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.1);
      height: 210px;
      background: #0D1117;
    }

    .map-frame iframe {
      width: 100%;
      height: 100%;
      border: 0;
      filter: grayscale(100%) invert(90%) contrast(90%);
    }

    .contact-form {
      background: #161920;
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 16px;
      padding: 36px;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-bottom: 14px;
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-group label {
      display: block;
      font-size: 0.8rem;
      font-weight: 500;
      color: #CBD5E1;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.12);
      background: #0F1115;
      color: #fff;
      font-family: inherit;
      font-size: 0.88rem;
      transition: border-color 0.2s ease;
    }

    .form-control:focus {
      outline: none;
      border-color: rgba(255, 255, 255, 0.45);
    }

    .checkbox-pills {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 8px;
    }

    .check-pill {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 10px 12px;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.12);
      background: #0F1115;
      color: #E2E8F0;
      font-size: 0.82rem;
      cursor: pointer;
    }

    .check-pill input {
      accent-color: #FFFFFF;
    }

    /* ================= MODALS ================= */
    .modal-backdrop {
      position: fixed;
      inset: 0;
      background: rgba(9, 10, 13, 0.85);
      backdrop-filter: blur(12px);
      z-index: 2000;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

    .modal-backdrop.open {
      display: flex;
    }

    /* Full Story Reader Modal */
    .story-reader-box {
      background: #0F1115;
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: 16px;
      max-width: 980px;
      width: 100%;
      max-height: 92vh;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      box-shadow: 0 32px 80px rgba(0, 0, 0, 0.75);
      animation: modalUp 0.25s ease;
    }

    .story-reader-topbar {
      position: sticky;
      top: 0;
      z-index: 10;
      background: #090A0D;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      padding: 14px 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }

    .story-reader-nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .reader-nav-btn {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.14);
      color: #FFFFFF;
      padding: 7px 14px;
      border-radius: 6px;
      font-size: 0.78rem;
      font-weight: 500;
      cursor: pointer;
      transition: var(--transition);
    }

    .reader-nav-btn:hover:not(:disabled) {
      background: #FFFFFF;
      border-color: #FFFFFF;
      color: #111318;
    }

    .reader-nav-btn:disabled {
      opacity: 0.35;
      cursor: not-allowed;
    }

    .story-reader-scroll {
      padding: 36px 44px;
      overflow-y: auto;
      flex: 1;
    }

    .story-reader-header {
      padding-bottom: 24px;
      margin-bottom: 28px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .story-reader-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      font-size: 0.84rem;
      color: #A3A3A3;
      margin-top: 12px;
    }

    .story-reader-footer-nav {
      margin-top: 36px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }

    @keyframes modalUp {
      from { opacity: 0; transform: translateY(16px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* Authentic www.persinc.net Portfolio Detail Page Modal (Preserved 100%) */
    .work-detail-modal-box {
      background: #FFFFFF;
      border: 1px solid rgba(255, 255, 255, 0.22);
      border-radius: 22px;
      max-width: 1180px;
      width: 100%;
      max-height: 92vh;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      box-shadow: 0 32px 90px rgba(0, 0, 0, 0.82);
      animation: modalUp 0.25s ease;
    }

    .work-detail-topbar {
      position: sticky;
      top: 0;
      z-index: 20;
      background: #131313;
      color: #FFFFFF;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
      padding: 14px 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
    }

    .work-detail-scroll {
      overflow-y: auto;
      flex: 1;
      background: #FFFFFF;
      color: #0F172A;
    }

    /* 1. Top Hero Visual (Matches #bDXPcT on www.persinc.net) */
    .work-detail-hero {
      background: #FFFFFF;
      padding: 36px 5% 28px;
      text-align: center;
    }

    .work-detail-hero img {
      width: 100%;
      max-width: 1020px;
      max-height: 680px;
      height: auto;
      object-fit: contain;
      display: block;
      margin: 0 auto;
    }

    /* 2. Authentic Black Metadata Specification Bar (Matches #fEMCYq on www.persinc.net) */
    .work-spec-bar {
      background: #000000;
      color: #FFFFFF;
      padding: 46px 8%;
      margin: 12px 0;
    }

    .work-spec-grid {
      max-width: 960px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.35fr 0.7fr 1.35fr;
      gap: 32px 48px;
      text-align: left;
    }

    .work-spec-col {
      display: flex;
      flex-direction: column;
      gap: 28px;
    }

    .work-spec-item {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .work-spec-label {
      font-size: 1.12rem;
      font-weight: 700;
      color: #FFFFFF;
      letter-spacing: 0.01em;
      line-height: 1.25;
    }

    .work-spec-val {
      font-size: 0.98rem;
      font-weight: 400;
      color: #F1F5F9;
      line-height: 1.6;
      word-break: keep-all;
    }

    /* 3. Optional Living Lab / Process Overview Note */
    .work-process-banner {
      max-width: 980px;
      margin: 36px auto 10px;
      padding: 22px 28px;
      background: #F8FAFC;
      border: 1px solid #E2E8F0;
      border-left: 4px solid #131313;
      border-radius: 12px;
      color: #1E293B;
      font-size: 0.95rem;
      line-height: 1.75;
    }

    /* 4. Full Vertical Detail Gallery (Matches #fw7daR / #fVsK0i on www.persinc.net) */
    .work-detail-gallery {
      max-width: 1020px;
      margin: 0 auto;
      padding: 48px 5% 56px;
      display: flex;
      flex-direction: column;
      gap: 38px;
      align-items: center;
      background: #FFFFFF;
    }

    .work-detail-gallery img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: contain;
    }

    .work-detail-divider {
      max-width: 980px;
      margin: 0 auto 28px;
      height: 1px;
      background: repeating-linear-gradient(90deg, #CBD5E1 0, #CBD5E1 6px, transparent 6px, transparent 12px);
    }

    .work-detail-footer-nav {
      background: #131313;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding: 18px 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }

    /* ================= FOOTER (GOTH DESIGN MATTE BLACK) ================= */
    footer {
      background: #030303;
      padding: 52px 4%;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      color: #888888;
      font-size: 0.85rem;
    }

    .footer-inner {
      max-width: 1400px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
    }

    .footer-inner a:hover {
      color: var(--goth-lime);
    }

    @media (max-width: 1120px) {
      .hero-bottom-inner,
      .goth-split-row,
      .goth-achievements-grid,
      .philosophy-banner,
      .pentaris-box,
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .divisions-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .credibility-grid,
      .story-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .mobile-menu-btn {
        display: inline-flex;
      }
      .divisions-grid,
      .portfolio-grid,
      .credibility-grid,
      .story-grid,
      .hero-metrics,
      .showcase-thumbs,
      .form-row,
      .checkbox-pills,
      .work-spec-grid {
        grid-template-columns: 1fr;
      }
      .goth-onestop-row {
        flex-direction: column;
        align-items: flex-start;
      }
      .goth-onestop-title,
      .goth-onestop-desc {
        width: 100%;
      }
      .story-reader-scroll {
        padding: 22px 18px;
      }
      .story-reader-topbar,
      .work-detail-topbar,
      .work-detail-footer-nav {
        padding: 12px 16px;
      }
      .work-spec-bar {
        padding: 32px 6%;
      }
      .work-detail-gallery {
        padding: 28px 4% 36px;
        gap: 24px;
      }
    }

    /* ================= ADMIN MODE (VISUAL CMS & DESIGN STUDIO) ================= */
    body.admin-mode-active {
      padding-top: 44px;
    }

    body.admin-mode-active .navbar {
      top: 44px;
    }

    body.admin-mode-active .mobile-drawer {
      top: 121px;
    }

    .admin-top-ribbon {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 44px;
      background: #131313;
      color: #FFFFFF;
      border-bottom: 2px solid var(--goth-lime);
      z-index: 2500;
      display: none;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      font-size: 0.82rem;
    }

    body.admin-mode-active .admin-top-ribbon {
      display: flex;
    }

    .admin-ribbon-left,
    .admin-ribbon-right {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .admin-status-pill {
      background: var(--goth-lime);
      color: #131313;
      font-weight: 900;
      padding: 3px 10px;
      border-radius: 50px;
      font-size: 0.74rem;
      letter-spacing: 0.03em;
    }

    .admin-ribbon-btn {
      background: rgba(255, 255, 255, 0.1);
      color: #FFFFFF;
      border: 1px solid rgba(255, 255, 255, 0.22);
      padding: 5px 12px;
      border-radius: 50px;
      font-size: 0.76rem;
      font-weight: 700;
      cursor: pointer;
      transition: all 0.2s ease;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    .admin-ribbon-btn:hover {
      background: var(--goth-lime);
      color: #131313;
      border-color: var(--goth-lime);
    }

    .admin-ribbon-btn.primary {
      background: var(--goth-lime);
      color: #131313;
      border-color: var(--goth-lime);
      font-weight: 800;
    }

    .admin-ribbon-btn.primary:hover {
      background: #FFFFFF;
      border-color: #FFFFFF;
    }

    /* Floating Admin Mode Launcher Button (Hidden on public view; shown only via separate Admin URL) */
    #gnbAdminBtn {
      display: none !important;
    }

    body.admin-authorized #gnbAdminBtn,
    body.admin-mode-active #gnbAdminBtn {
      display: inline-flex !important;
    }

    .admin-fab-wrap {
      position: fixed;
      right: 24px;
      bottom: 24px;
      z-index: 2600;
      display: none !important;
      flex-direction: column;
      align-items: flex-end;
      gap: 10px;
    }

    body.admin-authorized .admin-fab-wrap,
    body.admin-mode-active .admin-fab-wrap {
      display: flex !important;
    }

    .admin-fab-btn {
      background: #131313;
      color: var(--goth-lime);
      border: 2px solid var(--goth-lime);
      border-radius: 50px;
      padding: 13px 22px;
      font-family: inherit;
      font-size: 0.9rem;
      font-weight: 800;
      cursor: pointer;
      box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.25s ease;
    }

    .admin-fab-btn:hover {
      background: var(--goth-lime);
      color: #131313;
      transform: translateY(-2px);
    }

    /* Slide-over Admin Studio Drawer */
    .admin-drawer {
      position: fixed;
      top: 44px;
      right: 0;
      bottom: 0;
      width: 540px;
      max-width: 96vw;
      background: #141414;
      color: #F5F5F5;
      border-left: 2px solid var(--goth-lime);
      z-index: 2550;
      display: flex;
      flex-direction: column;
      box-shadow: -20px 0 60px rgba(0, 0, 0, 0.65);
      transform: translateX(105%);
      transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .admin-drawer.open {
      transform: translateX(0);
    }

    .admin-drawer-head {
      padding: 16px 20px;
      background: #0B0B0B;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .admin-tabs {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      background: #0F0F0F;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }

    .admin-tab-btn {
      padding: 12px 6px;
      background: transparent;
      border: none;
      border-bottom: 3px solid transparent;
      color: #9E9E9E;
      font-family: inherit;
      font-size: 0.78rem;
      font-weight: 800;
      cursor: pointer;
      transition: all 0.2s ease;
      text-align: center;
    }

    .admin-tab-btn:hover {
      color: #FFFFFF;
      background: rgba(255, 255, 255, 0.04);
    }

    .admin-tab-btn.active {
      color: var(--goth-lime);
      border-bottom-color: var(--goth-lime);
      background: rgba(200, 255, 0, 0.06);
    }

    .admin-drawer-body {
      flex: 1;
      overflow-y: auto;
      padding: 20px;
    }

    .admin-pane {
      display: none;
      flex-direction: column;
      gap: 18px;
    }

    .admin-pane.active {
      display: flex;
    }

    .admin-card {
      background: #1E1E1E;
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 14px;
      padding: 16px;
    }

    .admin-card-title {
      font-size: 0.9rem;
      font-weight: 800;
      color: var(--goth-lime);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
    }

    .admin-field {
      margin-bottom: 12px;
    }

    .admin-field:last-child {
      margin-bottom: 0;
    }

    .admin-field label {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.78rem;
      font-weight: 700;
      color: #CCCCCC;
      margin-bottom: 5px;
    }

    .admin-input,
    .admin-select,
    .admin-textarea {
      width: 100%;
      padding: 9px 12px;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.18);
      background: #111111;
      color: #FFFFFF;
      font-family: inherit;
      font-size: 0.84rem;
    }

    .admin-input:focus,
    .admin-select:focus,
    .admin-textarea:focus {
      outline: none;
      border-color: var(--goth-lime);
    }

    .admin-color-row {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
    }

    .admin-color-item {
      background: #111111;
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: 10px;
      padding: 8px 10px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
    }

    .admin-color-item span {
      font-size: 0.76rem;
      font-weight: 700;
      color: #E0E0E0;
    }

    .admin-color-item input[type="color"] {
      width: 34px;
      height: 28px;
      border: none;
      background: transparent;
      cursor: pointer;
    }

    .admin-preset-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 8px;
    }

    .admin-preset-btn {
      padding: 10px 12px;
      border-radius: 10px;
      border: 1px solid rgba(255, 255, 255, 0.16);
      background: #111111;
      color: #FFFFFF;
      font-family: inherit;
      font-size: 0.78rem;
      font-weight: 700;
      cursor: pointer;
      text-align: left;
      display: flex;
      align-items: center;
      gap: 8px;
      transition: all 0.2s ease;
    }

    .admin-preset-btn:hover {
      border-color: var(--goth-lime);
      background: rgba(200, 255, 0, 0.08);
    }

    .preset-swatch {
      width: 16px;
      height: 16px;
      border-radius: 50%;
      flex-shrink: 0;
      border: 1px solid rgba(255, 255, 255, 0.4);
    }

    /* On-Page Inline Editing Visual Cues when Admin Mode is ON */
    body.admin-mode-active [contenteditable="true"] {
      outline: 1px dashed rgba(200, 255, 0, 0.55);
      outline-offset: 3px;
      transition: outline 0.15s ease, background-color 0.15s ease;
      cursor: text;
    }

    body.admin-mode-active [contenteditable="true"]:hover,
    body.admin-mode-active [contenteditable="true"]:focus {
      outline: 2px solid var(--goth-lime);
      background-color: rgba(200, 255, 0, 0.12);
    }

    /* Card Admin Quick Action Bar */
    .card-admin-bar {
      display: none;
      gap: 4px;
      margin-top: 8px;
      padding-top: 8px;
      border-top: 1px dashed rgba(35, 24, 21, 0.25);
      flex-wrap: wrap;
    }

    body.admin-mode-active .card-admin-bar {
      display: flex;
    }

    .card-admin-btn {
      padding: 4px 9px;
      border-radius: 6px;
      border: 1px solid #131313;
      background: #131313;
      color: #FFFFFF;
      font-size: 0.72rem;
      font-weight: 700;
      cursor: pointer;
      transition: all 0.15s ease;
    }

    .card-admin-btn:hover {
      background: var(--goth-lime);
      color: #131313;
    }

    .card-admin-btn.danger {
      background: #7F1D1D;
      border-color: #991B1B;
      color: #FECACA;
    }

    /* Section Floating Toolbar in Admin Mode */
    .sec-admin-toolbar {
      display: none;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      background: #131313;
      color: #FFFFFF;
      padding: 8px 14px;
      border-radius: 10px;
      border: 1px solid var(--goth-lime);
      margin-bottom: 18px;
      font-size: 0.76rem;
      flex-wrap: wrap;
    }

    body.admin-mode-active .sec-admin-toolbar {
      display: flex;
    }

    .admin-toast {
      display: none !important;
      opacity: 0 !important;
      pointer-events: none !important;
    }

    .admin-toast.show {
      display: none !important;
      opacity: 0 !important;
    }

    /* Popup Board Editor (게시판 글쓰기 모드 in Story & Work Modals) */
    .modal-board-toolbar {
      display: none;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      flex-wrap: wrap;
      padding: 12px 24px;
      background: #14181F;
      border-bottom: 1.5px solid var(--goth-lime);
      z-index: 25;
    }

    body.admin-mode-active .modal-board-toolbar {
      display: flex;
    }

    .modal-board-toolbar-left,
    .modal-board-toolbar-right {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    .modal-board-badge {
      background: rgba(200, 255, 0, 0.14);
      color: var(--goth-lime);
      border: 1px solid var(--goth-lime);
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.74rem;
      font-weight: 800;
      letter-spacing: 0.03em;
    }

    .modal-board-btn {
      background: #222630;
      color: #FFFFFF;
      border: 1px solid rgba(255, 255, 255, 0.24);
      padding: 7px 13px;
      border-radius: 7px;
      font-size: 0.78rem;
      font-weight: 700;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 5px;
      transition: all 0.15s ease;
    }

    .modal-board-btn:hover {
      background: #FFFFFF;
      color: #111318;
      border-color: #FFFFFF;
    }

    .modal-board-btn.primary {
      background: var(--goth-lime);
      color: #111318;
      border-color: var(--goth-lime);
      font-weight: 900;
    }

    .modal-board-btn.primary:hover {
      background: #FFFFFF;
      border-color: #FFFFFF;
    }

    .modal-board-btn.save {
      background: #10B981;
      color: #FFFFFF;
      border-color: #10B981;
      font-weight: 800;
    }

    .modal-board-btn.save:hover {
      background: #059669;
    }

    body.admin-mode-active #storyModalBody[contenteditable="true"] {
      border: 1.5px dashed rgba(200, 255, 0, 0.65);
      border-radius: 12px;
      padding: 20px;
      background: rgba(255, 255, 255, 0.03);
      min-height: 220px;
      outline: none;
    }

    body.admin-mode-active #storyModalBody[contenteditable="true"]:focus {
      border-style: solid;
      border-color: var(--goth-lime);
      background: rgba(255, 255, 255, 0.05);
    }

    body.admin-mode-active #storyModalBody img:not(.story-source-box img) {
      cursor: pointer;
      border: 2px dashed rgba(200, 255, 0, 0.5) !important;
      transition: all 0.2s ease;
    }

    body.admin-mode-active #storyModalBody img:not(.story-source-box img):hover {
      border: 2px solid var(--goth-lime) !important;
      box-shadow: 0 0 0 4px rgba(200, 255, 0, 0.2);
    }

    .modal-work-img-card {
      position: relative;
      width: 100%;
    }

    .modal-work-img-bar {
      display: none;
      position: absolute;
      top: 12px;
      right: 12px;
      gap: 6px;
      background: rgba(15, 17, 21, 0.88);
      padding: 6px 10px;
      border-radius: 8px;
      border: 1px solid var(--goth-lime);
      z-index: 15;
    }

    body.admin-mode-active .modal-work-img-bar {
      display: flex;
    }

    .story-summary-admin-box {
      display: none;
      margin-top: 14px;
      padding: 12px 14px;
      border-radius: 10px;
      background: rgba(200, 255, 0, 0.06);
      border: 1px dashed rgba(200, 255, 0, 0.45);
    }

    body.admin-mode-active .story-summary-admin-box {
      display: block;
    }

    /* Visually hidden for clean UI, 100% indexable by Search Engines (Naver Yeti, Googlebot) & AI Bots (GPTBot, PerplexityBot, ClaudeBot, Gemini) */
    .sr-only-seo {
      position: absolute !important;
      width: 1px !important;
      height: 1px !important;
      padding: 0 !important;
      margin: -1px !important;
      overflow: hidden !important;
      clip: rect(0, 0, 0, 0) !important;
      white-space: nowrap !important;
      border: 0 !important;
    }

/* =========================================================================
   UNIFIED TYPOGRAPHY, BUTTON CONSISTENCY & RESPONSIVE ENHANCEMENTS (V3.0)
   ========================================================================= */
:root {
  --font-sans: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --font-display: 'Pretendard Variable', 'Pretendard', 'Outfit', 'Plus Jakarta Sans', sans-serif;
}

html, body, button, input, select, textarea {
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.015em;
}

/* Unified Button Typography, Weight, Height & Focus Ring */
.btn-primary,
.btn-outline,
.btn-pentaris,
.btn-cta-sm,
.btn-goth-dark,
.filter-btn,
.reader-nav-btn,
.story-btn-inline,
.story-btn-read {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary:disabled,
.reader-nav-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Contact Form Privacy Notice & Status Box */
.privacy-notice-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 14px;
  font-size: 0.78rem;
  line-height: 1.55;
  color: #CBD5E1;
}
.privacy-notice-box strong {
  color: #FFFFFF;
  font-weight: 700;
}

.contact-submit-status {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 0.88rem;
  line-height: 1.55;
  font-weight: 600;
}
.contact-submit-status.success {
  background: rgba(16, 185, 129, 0.14);
  border: 1px solid rgba(16, 185, 129, 0.5);
  color: #A7F3D0;
}
.contact-submit-status.error {
  background: rgba(239, 68, 68, 0.16);
  border: 1px solid rgba(239, 68, 68, 0.55);
  color: #FECACA;
}

/* Admin Save Error Banner (Persistent Warning on Save Failure) */
.pers-save-error-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  width: min(680px, 94vw);
  background: #1E1114;
  border: 2px solid #EF4444;
  border-radius: 14px;
  padding: 16px 20px;
  color: #FEE2E2;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.75);
  display: none;
}
.pers-save-error-banner.show {
  display: block;
}

@media (max-width: 768px) {
  .sec-title {
    font-size: clamp(1.55rem, 6vw, 2.1rem) !important;
    line-height: 1.25 !important;
  }
  .sec-desc {
    font-size: 0.92rem !important;
    line-height: 1.65 !important;
  }
  .filter-bar {
    gap: 6px !important;
  }
  .filter-btn {
    padding: 8px 13px !important;
    font-size: 0.78rem !important;
  }
  .work-title, .story-title {
    font-size: 1.02rem !important;
    line-height: 1.4 !important;
  }
}