:root {
    --gold: #C8922A;
    --gold-light: #F5E6C8;
    --gold-pale: #FDF8EE;
    --dark: #1A1612;
    --dark-2: #2E2820;
    --mid: #6B5E4E;
    --light: #F7F2EA;
    --white: #FFFFFF;
    --green: #2D6A4F;
    --green-light: #D8F3DC;
    --accent: #8B2500;
  }

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

  body {
    font-family: 'DM Sans', sans-serif;
    background: var(--dark);
    color: var(--light);
    min-height: 100vh;
  }

  /* NAV */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(26,22,18,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(200,146,42,0.2);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
  }

  .nav-brand {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    color: var(--gold);
    letter-spacing: 0.02em;
  }

  .nav-links {
    display: flex;
    gap: 0.25rem;
    list-style: none;
  }

  .nav-links a {
    color: rgba(247,242,234,0.6);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.4rem 0.75rem;
    border-radius: 4px;
    transition: all 0.2s;
  }

  .nav-links a:hover, .nav-links a.active {
    color: var(--gold);
    background: rgba(200,146,42,0.1);
  }

  /* SECTIONS */
  section {
    display: none;
    padding-top: 64px;
    min-height: 100vh;
  }

  section.active { display: block; }

  /* ==================== HERO / HOME ==================== */
  .hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: relative;
    overflow: hidden;
  }

  .hero-left {
    padding: 8rem 3rem 4rem 4rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 2;
  }

  .sdg-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gold);
    color: var(--dark);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.4rem 0.8rem;
    border-radius: 2px;
    width: fit-content;
    margin-bottom: 2rem;
  }

  .hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 1.5rem;
  }

  .hero-title em {
    font-style: italic;
    color: var(--gold);
  }

  .hero-subtitle {
    font-size: 1rem;
    color: rgba(247,242,234,0.6);
    line-height: 1.7;
    max-width: 480px;
    margin-bottom: 3rem;
  }

  .hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
  }

  .btn-primary {
    background: var(--gold);
    color: var(--dark);
    border: none;
    padding: 0.75rem 1.75rem;
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    cursor: pointer;
    border-radius: 2px;
    transition: all 0.2s;
  }

  .btn-primary:hover { background: #e0a830; transform: translateY(-1px); }

  .btn-secondary {
    background: transparent;
    color: var(--gold);
    border: 1px solid rgba(200,146,42,0.4);
    padding: 0.75rem 1.75rem;
    font-family: 'DM Sans', sans-serif;
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    cursor: pointer;
    border-radius: 2px;
    transition: all 0.2s;
  }

  .btn-secondary:hover { border-color: var(--gold); background: rgba(200,146,42,0.08); }

  .hero-right {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2E2820 0%, #1A1612 100%);
    overflow: hidden;
  }

  .hero-visual {
    width: 320px;
    height: 320px;
    position: relative;
  }

  .orbit-ring {
    position: absolute;
    border: 1px solid rgba(200,146,42,0.2);
    border-radius: 50%;
    animation: orbit-spin 20s linear infinite;
  }

  .orbit-ring:nth-child(1) { width: 100%; height: 100%; top:0; left:0; }
  .orbit-ring:nth-child(2) { width: 70%; height: 70%; top: 15%; left: 15%; animation-duration: 15s; animation-direction: reverse; }
  .orbit-ring:nth-child(3) { width: 40%; height: 40%; top: 30%; left: 30%; animation-duration: 10s; }

  @keyframes orbit-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
  }

  .sdg12-icon-center {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: var(--gold);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
  }

  .sdg12-icon-center .num {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
    line-height: 1;
  }

  .sdg12-icon-center .label {
    font-size: 0.55rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--dark);
    text-transform: uppercase;
    text-align: center;
    line-height: 1.3;
    max-width: 80px;
  }

  .orbit-dot {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--gold);
    border-radius: 50%;
    top: -5px;
    left: calc(50% - 5px);
  }

  /* ==================== SDG OVERVIEW ==================== */
  .page-header {
    padding: 6rem 4rem 3rem;
    border-bottom: 1px solid rgba(200,146,42,0.15);
  }

  .page-tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1rem;
  }

  .page-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--white);
    line-height: 1.2;
  }

  .page-desc {
    margin-top: 1rem;
    font-size: 0.95rem;
    color: rgba(247,242,234,0.55);
    max-width: 600px;
    line-height: 1.7;
  }

  .sdg-intro-block {
    padding: 3rem 4rem;
    max-width: 860px;
    margin: 0 auto;
  }

  .sdg-intro-block p {
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(247,242,234,0.75);
    margin-bottom: 1.5rem;
  }

  .sdg-intro-block p strong {
    color: var(--white);
    font-weight: 600;
  }

  /* 17 SDGs grid */
  .sdgs-grid-section {
    padding: 2rem 4rem 4rem;
  }

  .sdgs-grid-section h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 2rem;
  }

  .sdgs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1px;
    background: rgba(200,146,42,0.1);
    border: 1px solid rgba(200,146,42,0.1);
    border-radius: 8px;
    overflow: hidden;
  }

  .sdg-card {
    background: var(--dark-2);
    padding: 1.25rem 1rem;
    text-align: center;
    transition: all 0.2s;
    position: relative;
    cursor: default;
  }

  .sdg-card:hover { background: #3a3028; }
  .sdg-card.highlighted { background: var(--gold); }
  .sdg-card.highlighted .sdg-card-num { color: var(--dark); }
  .sdg-card.highlighted .sdg-card-title { color: var(--dark); }
  .sdg-card.highlighted .sdg-card-icon { filter: none; }

  .sdg-card-icon {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    display: block;
  }

  .sdg-card-num {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gold);
    display: block;
  }

  .sdg-card.highlighted .sdg-card-num { color: var(--dark); }

  .sdg-card-title {
    font-size: 0.68rem;
    color: rgba(247,242,234,0.6);
    line-height: 1.4;
    margin-top: 0.25rem;
    display: block;
  }

  .active-badge {
    position: absolute;
    top: 6px; right: 6px;
    width: 8px; height: 8px;
    background: var(--dark);
    border-radius: 50%;
  }

  /* ==================== FACTS ==================== */
  .facts-section {
    padding: 3rem 4rem;
  }

  .facts-section h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 2rem;
  }

  .facts-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }

  .fact-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 1.5rem;
    align-items: start;
    padding: 1.5rem;
    background: var(--dark-2);
    border: 1px solid rgba(200,146,42,0.12);
    border-radius: 6px;
    transition: border-color 0.2s;
  }

  .fact-item:hover { border-color: rgba(200,146,42,0.35); }

  .fact-num {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    text-align: center;
  }

  .fact-label {
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(200,146,42,0.7);
    text-align: center;
    margin-top: 0.25rem;
  }

  .fact-text {
    font-size: 0.95rem;
    line-height: 1.7;
    color: rgba(247,242,234,0.75);
  }

  .fact-text strong { color: var(--white); }

  .fact-ref {
    font-size: 0.72rem;
    color: rgba(247,242,234,0.35);
    margin-top: 0.5rem;
    font-style: italic;
  }

  /* ==================== TARGETS ==================== */
  .targets-section {
    padding: 3rem 4rem;
  }

  .targets-section h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 0.75rem;
  }

  .targets-intro {
    font-size: 0.9rem;
    color: rgba(247,242,234,0.5);
    margin-bottom: 2rem;
    line-height: 1.6;
  }

  .targets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
  }

  .target-card {
    background: var(--dark-2);
    border: 1px solid rgba(200,146,42,0.12);
    border-radius: 6px;
    padding: 1.5rem;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
  }

  .target-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: rgba(200,146,42,0.2);
    transition: background 0.2s;
  }

  .target-card.selected::before { background: var(--gold); }
  .target-card.selected { border-color: rgba(200,146,42,0.3); }

  .target-id {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    color: var(--gold);
    margin-bottom: 0.5rem;
    font-weight: 700;
  }

  .target-desc {
    font-size: 0.88rem;
    color: rgba(247,242,234,0.65);
    line-height: 1.6;
  }

  .target-selected-badge {
    display: inline-block;
    margin-top: 0.75rem;
    background: rgba(200,146,42,0.15);
    color: var(--gold);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.25rem 0.6rem;
    border-radius: 2px;
  }

  /* ==================== SWOT ==================== */
  .swot-section {
    padding: 3rem 4rem 5rem;
  }

  .swot-section h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 0.5rem;
  }

  .swot-target-label {
    font-size: 0.85rem;
    color: rgba(200,146,42,0.7);
    margin-bottom: 2rem;
  }

  .swot-pair {
    margin-bottom: 3rem;
  }

  .swot-pair-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    color: var(--gold);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(200,146,42,0.15);
  }

  .swot-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .swot-quadrant {
    background: var(--dark-2);
    border: 1px solid rgba(200,146,42,0.1);
    border-radius: 6px;
    padding: 1.25rem;
  }

  .swot-q-title {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .swot-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
  }

  .swot-q-title.strength { color: #52b788; }
  .swot-q-title.strength .swot-dot { background: #52b788; }
  .swot-q-title.weakness { color: #ef6351; }
  .swot-q-title.weakness .swot-dot { background: #ef6351; }
  .swot-q-title.opportunity { color: #74b3ce; }
  .swot-q-title.opportunity .swot-dot { background: #74b3ce; }
  .swot-q-title.threat { color: #f4a261; }
  .swot-q-title.threat .swot-dot { background: #f4a261; }

  .swot-items {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .swot-items li {
    font-size: 0.82rem;
    color: rgba(247,242,234,0.65);
    padding-left: 0.75rem;
    border-left: 2px solid rgba(200,146,42,0.15);
    line-height: 1.5;
  }

  /* ==================== PLACEHOLDER PAGES ==================== */
  .placeholder-page {
    min-height: calc(100vh - 64px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 4rem;
    text-align: center;
  }

  .placeholder-page .page-num {
    font-family: 'Playfair Display', serif;
    font-size: 5rem;
    color: rgba(200,146,42,0.15);
    font-weight: 700;
  }

  .placeholder-page h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    color: var(--white);
  }

  .placeholder-page p {
    font-size: 0.95rem;
    color: rgba(247,242,234,0.45);
    max-width: 480px;
    line-height: 1.7;
  }

  .coming-tag {
    display: inline-block;
    background: rgba(200,146,42,0.1);
    color: var(--gold);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 600;
    padding: 0.4rem 1rem;
    border: 1px solid rgba(200,146,42,0.25);
    border-radius: 2px;
  }

  /* ==================== FOOTER ==================== */
  footer {
    background: rgba(0,0,0,0.3);
    border-top: 1px solid rgba(200,146,42,0.1);
    padding: 2rem 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }

  footer p {
    font-size: 0.78rem;
    color: rgba(247,242,234,0.35);
    line-height: 1.6;
  }

  footer strong { color: rgba(247,242,234,0.6); }

  /* ==================== DIVIDERS ==================== */
  .section-divider {
    border: none;
    border-top: 1px solid rgba(200,146,42,0.1);
    margin: 0 4rem;
  }

  /* ==================== RESPONSIVE ==================== */
  @media (max-width: 768px) {
    nav { padding: 0 1rem; }
    .nav-links { gap: 0; }
    .nav-links a { padding: 0.4rem 0.5rem; font-size: 0.7rem; }
    .hero { grid-template-columns: 1fr; }
    .hero-right { display: none; }
    .hero-left { padding: 6rem 1.5rem 3rem; }
    .page-header, .sdg-intro-block, .sdgs-grid-section, .facts-section, .targets-section, .swot-section { padding-left: 1.5rem; padding-right: 1.5rem; }
    .swot-grid { grid-template-columns: 1fr; }
    footer { flex-direction: column; padding: 1.5rem; text-align: center; }
    .section-divider { margin: 0 1.5rem; }
  }