:root {
      --navy:      #0d2340;
      --teal:      #006d77;
      --teal-lt:   #83c5be;
      --gold:      #c9a84c;
      --gold-lt:   #f4d58d;
      --cream:     #fdf8f0;
      --warm-gray: #f0ebe0;
      --text:      #1a1a2e;
      --muted:     #000;
      --white:     #ffffff;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'DM Sans', sans-serif;
      background: var(--cream);
      color: var(--text);
      overflow-x: hidden;
    }

    /* ── HEADER ── */
    .site-header {
      background: linear-gradient(135deg, var(--navy) 0%, #1a3a5c 60%, var(--teal) 100%);
      padding: 0;
      position: relative;
      overflow: hidden;
    }
    .site-header::before {
      content: '';
      position: absolute; inset: 0;
      background: repeating-linear-gradient(
        45deg,
        rgba(255,255,255,.02) 0px, rgba(255,255,255,.02) 1px,
        transparent 1px, transparent 14px
      );
    }
    .header-top-bar {
      background: var(--gold);
      text-align: center;
      padding: 6px 0;
      font-size: .78rem;
      font-weight: 600;
      letter-spacing: .12em;
      color: var(--navy);
      text-transform: uppercase;
    }
    .header-brand {
      padding: 2.5rem 0 1.6rem;
      text-align: center;
      position: relative;
      z-index: 1;
    }
    .header-brand .issn-badge {
      display: inline-block;
      border: 1px solid rgba(201,168,76,.5);
      border-radius: 2px;
      padding: 3px 14px;
      font-size: .72rem;
      letter-spacing: .15em;
      color: var(--gold-lt);
      text-transform: uppercase;
      margin-bottom: .9rem;
    }
    .header-brand h1 {
      font-family: 'Playfair Display', serif;
      font-weight: 700;
      font-size: clamp(1.7rem, 4vw, 2.9rem);
      color: var(--white);
      line-height: 1.15;
      margin-bottom: .3rem;
    }
    .header-brand h1 span { color: var(--gold); }
    .header-brand .subtitle {
      font-family: 'Source Serif 4', serif;
      font-style: italic;
      color: var(--teal-lt);
      font-size: 1rem;
      margin-bottom: 0;
    }
    .header-divider {
      display: flex; align-items: center; justify-content: center; gap: 10px;
      margin: .8rem auto 0; max-width: 340px;
    }
    .header-divider span { display: block; height: 1px; flex: 1; background: var(--gold); opacity: .5; }
    .header-divider i { color: var(--gold); font-size: .9rem; }

    /* ── NAV ── */
    .site-nav {
      background: var(--navy);
      border-top: 2px solid var(--gold);
      position: sticky; top: 0; z-index: 1030;
    }
    .site-nav .navbar-toggler { border-color: rgba(201,168,76,.4); }
    .site-nav .navbar-toggler-icon {
      background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(201,168,76,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }
    .site-nav .nav-link {
      font-size: .8rem;
      font-weight: 500;
      letter-spacing: .08em;
      text-transform: uppercase;
      color: rgba(255,255,255,.75) !important;
      padding: 1rem .9rem !important;
      position: relative;
      transition: color .25s;
    }
    .site-nav .nav-link::after {
      content: ''; position: absolute; bottom: 0; left: 50%; right: 50%;
      height: 2px; background: var(--gold);
      transition: left .25s, right .25s;
    }
    .site-nav .nav-link:hover,
    .site-nav .nav-link.active {
      color: var(--gold) !important;
    }
    .site-nav .nav-link:hover::after,
    .site-nav .nav-link.active::after { left: 0; right: 0; }

    /* ── SECTION TITLES ── */
    .sec-title {
      font-family: 'Playfair Display', serif;
      font-weight: 700;
      font-size: 1.85rem;
      color: var(--navy);
      position: relative;
      display: inline-block;
      padding-bottom: .4rem;
    }
    .sec-title::after {
      content: '';
      position: absolute; bottom: 0; left: 0;
      width: 60px; height: 3px;
      background: linear-gradient(90deg, var(--gold), var(--teal));
      border-radius: 2px;
    }

    /* ── HOME HERO ── */
    #home .hero-card {
      background: var(--white);
      border-left: 4px solid var(--teal);
      border-radius: 0 8px 8px 0;
      padding: 2rem 2.2rem;
      box-shadow: 0 4px 20px rgba(0,0,0,.07);
    }
    #home .particulars-table td { padding: .4rem .6rem; font-size: .9rem; vertical-align: top; }
    #home .particulars-table td:first-child {
      font-weight: 600; color: var(--teal); min-width: 150px;
      font-size: .82rem; text-transform: uppercase; letter-spacing: .04em;
    }
    #home .info-card {
      background: linear-gradient(135deg, var(--navy) 0%, #1a3a5c 100%);
      color: var(--white);
      border-radius: 10px;
      padding: 1.8rem;
      height: 100%;
    }
    #home .info-card h5 {
      font-family: 'Playfair Display', serif;
      font-size: 1.1rem;
      color: var(--gold);
      margin-bottom: .8rem;
    }
    #home .info-card p { font-size: .88rem; line-height: 1.7; color: rgba(255,255,255,.8); margin: 0; }
    #home .scope-pill {
      display: inline-block;
      background: var(--teal);
      color: var(--white);
      border-radius: 20px;
      padding: 4px 14px;
      font-size: .78rem;
      font-weight: 500;
      margin: 3px;
    }

    /* ── ABOUT ── */
    #about .about-card {
      background: var(--white);
      border-radius: 10px;
      padding: 2.2rem;
      box-shadow: 0 4px 20px rgba(0,0,0,.07);
    }
    #about .about-card p {
      font-family: 'Source Serif 4', serif;
      font-size: 1.02rem;
      line-height: 1.85;
      color: #000;
      text-align: justify;
    }
    #about .forum-item {
      display: flex; align-items: flex-start; gap: 14px;
      padding: .75rem 0;
      border-bottom: 1px solid var(--warm-gray);
    }
    #about .forum-item:last-child { border-bottom: none; }
    #about .forum-item .icon-wrap {
      width: 38px; height: 38px; flex-shrink: 0;
      background: linear-gradient(135deg, var(--teal), var(--navy));
      border-radius: 8px;
      display: flex; align-items: center; justify-content: center;
      color: var(--white); font-size: 1rem;
    }
    #about .forum-item span { font-size: .95rem; font-weight: 500; align-self: center; }

    /* ── EDITORIAL BOARD ── */
    #editorial .editor-card {
      background: var(--white);
      border-radius: 10px;
      padding: 1.6rem;
      box-shadow: 0 4px 20px rgba(0,0,0,.07);
      height: 100%;
      border-top: 3px solid var(--teal);
      transition: transform .25s, box-shadow .25s;
    }
    #editorial .editor-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 10px 30px rgba(0,0,0,.12);
    }
    #editorial .editor-card.chief { border-top-color: var(--gold); }
    #editorial .editor-card.advisor { border-top-color: var(--navy); }
    #editorial .role-badge {
      font-size: .7rem;
      font-weight: 700;
      letter-spacing: .1em;
      text-transform: uppercase;
      padding: 3px 10px;
      border-radius: 3px;
      display: inline-block;
      margin-bottom: .8rem;
    }
    #editorial .role-badge.advisor  { background: rgba(13,35,64,.1);  color: var(--navy); }
    #editorial .role-badge.chief    { background: rgba(201,168,76,.15); color: #8a6914; }
    #editorial .role-badge.associate { background: rgba(0,109,119,.12); color: var(--teal); }
    #editorial .editor-name {
      font-family: 'Playfair Display', serif;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--navy);
      margin-bottom: .3rem;
    }
    #editorial .editor-card p {
      font-size: .84rem;
      color: var(--muted);
      line-height: 1.6;
      margin-bottom: .4rem;
    }
    #editorial .editor-card a {
      font-size: .82rem;
      color: var(--teal);
      text-decoration: none;
      word-break: break-all;
    }
    #editorial .editor-card a:hover { text-decoration: underline; }

    /* ── INSTRUCTIONS ── */
    #instructions .instr-card {
      background: var(--white);
      border-radius: 10px;
      padding: 2rem;
      box-shadow: 0 4px 20px rgba(0,0,0,.07);
      margin-bottom: 1.5rem;
    }
    #instructions .instr-card h5 {
      font-family: 'Playfair Display', serif;
      font-size: 1.1rem;
      color: var(--navy);
      border-bottom: 2px solid var(--warm-gray);
      padding-bottom: .5rem;
      margin-bottom: 1rem;
    }
    #instructions .instr-card ul { padding-left: 1.2rem; }
    #instructions .instr-card li {
      font-size: .9rem;
      line-height: 1.8;
      color: #000;
      margin-bottom: .2rem;
    }
    #instructions .instr-card strong { color: var(--teal); }
    #instructions .format-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
      gap: 1rem; margin-top: .8rem;
    }
    #instructions .format-item {
      background: var(--warm-gray);
      border-radius: 8px; padding: .9rem;
      text-align: center; font-size: .84rem;
    }
    #instructions .format-item strong { display: block; color: var(--teal); font-size: 1.1rem; }

    /* ── POLICIES ── */
    #policies .policy-card {
      background: var(--white);
      border-radius: 10px;
      padding: 1.6rem;
      box-shadow: 0 4px 20px rgba(0,0,0,.07);
      height: 100%;
      border-left: 3px solid var(--teal);
      transition: border-color .25s;
    }
    #policies .policy-card:hover { border-left-color: var(--gold); }
    #policies .policy-card h6 {
      font-family: 'Playfair Display', serif;
      font-size: 1rem;
      color: var(--navy);
      display: flex; align-items: center; gap: 8px;
      margin-bottom: .7rem;
    }
    #policies .policy-card h6 i { color: var(--teal); font-size: 1.15rem; }
    #policies .policy-card p { font-size: .88rem; line-height: 1.75; color: #3a3a4a; margin: 0; }

    /* ── CURRENT ISSUE ── */
    #current .issue-header {
      background: linear-gradient(135deg, var(--navy), #1a3a5c);
      border-radius: 10px;
      padding: 2rem 2.5rem;
      color: var(--white);
      margin-bottom: 2rem;
    }
    #current .issue-header h3 {
      font-family: 'Playfair Display', serif;
      font-size: 1.5rem;
      color: var(--gold);
      margin: 0 0 .3rem;
    }
    #current .issue-header p { color: rgba(255,255,255,.7); margin: 0; font-size: .9rem; }
    #current .message-card {
      background: var(--white);
      border-radius: 10px;
      padding: 1.4rem;
      box-shadow: 0 4px 20px rgba(0,0,0,.07);
      margin-bottom: 1rem;
      border-left: 3px solid var(--gold);
    }
    #current .message-card h6 {
      font-size: .72rem;
      font-weight: 700;
      letter-spacing: .12em;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: .3rem;
    }
    #current .message-card p { font-size: .92rem; color: var(--navy); font-weight: 600; margin: 0; }
    #current .article-card {
      background: var(--white);
      border-radius: 10px;
      padding: 1.5rem 1.8rem;
      box-shadow: 0 4px 20px rgba(0,0,0,.07);
      margin-bottom: 1.2rem;
      transition: transform .22s, box-shadow .22s;
      border-left: 3px solid transparent;
    }
    #current .article-card:hover {
      transform: translateX(4px);
      box-shadow: 0 8px 28px rgba(0,0,0,.12);
      border-left-color: var(--teal);
    }
    #current .article-number {
      width: 32px; height: 32px; flex-shrink: 0;
      background: var(--teal);
      color: var(--white);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: .8rem; font-weight: 700;
    }
    #current .article-title {
      font-family: 'Playfair Display', serif;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--navy);
      margin-bottom: .3rem;
    }
    #current .article-meta {
      font-size: .8rem;
      color: var(--muted);
      margin-bottom: .6rem;
    }
    #current .article-meta strong { color: var(--text); }
    #current .abstract-text {
      font-size: .87rem;
      color: #3a3a4a;
      line-height: 1.75;
      display: none;
    }
    #current .abstract-text.show { display: block; }
    #current .keyword-tag {
      display: inline-block;
      background: rgba(0,109,119,.1);
      color: var(--teal);
      border-radius: 3px;
      padding: 2px 8px;
      font-size: .74rem;
      font-weight: 500;
      margin: 2px;
    }
    #current .btn-abstract {
      font-size: .78rem;
      padding: 3px 12px;
      border: 1px solid var(--teal);
      color: var(--teal);
      background: none;
      border-radius: 3px;
      cursor: pointer;
      transition: all .2s;
    }
    #current .btn-abstract:hover { background: var(--teal); color: var(--white); }
    #current .btn-pdf {
      font-size: .78rem;
      padding: 3px 12px;
      border: 1px solid var(--gold);
      color: var(--gold);
      background: none;
      border-radius: 3px;
      cursor: pointer;
      transition: all .2s;
      text-decoration: none;
      display: inline-flex; align-items: center; gap: 4px;
    }
    #current .btn-pdf:hover { background: var(--gold); color: var(--white); }

    /* ── ARCHIVES ── */
    #archives .archive-row {
      background: var(--white);
      border-radius: 10px;
      padding: 1.4rem 1.8rem;
      box-shadow: 0 4px 20px rgba(0,0,0,.07);
      display: flex; align-items: center; justify-content: space-between;
      flex-wrap: wrap; gap: .8rem;
      margin-bottom: 1rem;
    }
    #archives .archive-row .vol { font-family: 'Playfair Display', serif; font-size: 1.05rem; font-weight: 700; color: var(--navy); }
    #archives .archive-row .date { font-size: .87rem; color: var(--muted); }
    #archives .badge-current { background: var(--teal); color: var(--white); font-size: .72rem; padding: 3px 10px; border-radius: 20px; }

    /* ── CONTACT ── */
    #contact .contact-wrap {
      background: linear-gradient(135deg, var(--navy) 0%, #1a3a5c 100%);
      border-radius: 14px;
      padding: 3rem;
      color: var(--white);
    }
    #contact .contact-item {
      display: flex; align-items: flex-start; gap: 16px;
      padding: 1rem 0;
      border-bottom: 1px solid rgba(255,255,255,.1);
    }
    #contact .contact-item:last-child { border-bottom: none; }
    #contact .contact-item .ci-icon {
      width: 44px; height: 44px; flex-shrink: 0;
      background: rgba(201,168,76,.2);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      color: var(--gold); font-size: 1.2rem;
    }
    #contact .contact-item h6 { font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--gold); margin-bottom: .2rem; }
    #contact .contact-item p { font-size: .92rem; color: rgba(255,255,255,.85); margin: 0; line-height: 1.6; }
    #contact .contact-item a { color: var(--teal-lt); text-decoration: none; }
    #contact .contact-item a:hover { text-decoration: underline; }

    /* ── FOOTER ── */
    .site-footer {
      background: var(--navy);
      color: rgba(255,255,255,.6);
      text-align: center;
      padding: 1.4rem;
      font-size: .82rem;
      border-top: 2px solid var(--gold);
    }
    .site-footer a { color: var(--gold); text-decoration: none; }

    /* ── MISC ── */
    section { padding: 4rem 0; }
    section:nth-child(odd) { background: var(--cream); }
    section:nth-child(even) { background: var(--warm-gray); }
    .section-label {
      font-size: .72rem;
      font-weight: 700;
      letter-spacing: .18em;
      text-transform: uppercase;
      color: var(--teal);
      margin-bottom: .5rem;
      display: block;
    }
    .fade-in { opacity: 0; transform: translateY(22px); transition: opacity .55s ease, transform .55s ease; }
    .fade-in.visible { opacity: 1; transform: none; }

    @media (max-width: 576px) {
      section { padding: 2.5rem 0; }
      #contact .contact-wrap { padding: 1.8rem; }
    }