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

  :root {
    --deep: #050c1a;
    --navy: #071527;
    --mid: #0a1e35;
    --blue: #1a8fff;
    --cyan: #00d4f5;
    --gold: #c8a96e;
    --white: #f0f4ff;
    --muted: rgba(160, 185, 220, 0.65);
    --border: rgba(26, 143, 255, 0.18);
  }

  html { scroll-behavior: smooth; }

  body {
    background: var(--deep);
    color: var(--white);
    font-family: 'Outfit', sans-serif;
    font-weight: 300;
    overflow-x: hidden;
    line-height: 1.7;
  }

  /* ── CANVAS ── */
  #neural-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    opacity: 0.55;
    pointer-events: none;
  }

  /* ── NAV ── */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(20px, 5vw, 64px);
    height: 72px;
    background: rgba(5, 12, 26, 0.72);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
  }

  .nav-logo img {
    height: 42px;
    display: block;
    filter: brightness(1.05);
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
  }

  .nav-links a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    padding: 7px 13px;
    border-radius: 6px;
    border: 1px solid transparent;
    transition: all 0.25s;
    white-space: nowrap;
  }

  .nav-links a:hover {
    color: var(--white);
    border-color: var(--border);
    background: rgba(26, 143, 255, 0.08);
  }

  .nav-links .nav-icon { font-size: 0.85rem; }

  .nav-mojdns {
    border-color: rgba(200, 169, 110, 0.35) !important;
    color: var(--gold) !important;
  }

  .nav-mojdns:hover {
    background: rgba(200, 169, 110, 0.08) !important;
    border-color: rgba(200, 169, 110, 0.6) !important;
  }

  /* ── HERO ── */
  .hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 100px clamp(20px, 8vw, 120px) 60px;
    text-align: center;
  }

  /* top badge */
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(26, 143, 255, 0.1);
    border: 1px solid rgba(26, 143, 255, 0.3);
    border-radius: 100px;
    padding: 7px 20px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 36px;
    opacity: 0;
    animation: fadeUp 0.8s 0.2s ease forwards;
  }

  .badge-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 8px var(--cyan);
    animation: pulse 2s infinite;
  }

  .hero-num {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(5rem, 14vw, 13rem);
    font-weight: 300;
    line-height: 0.85;
    letter-spacing: -0.02em;
    color: transparent;
    -webkit-text-stroke: 1px rgba(26, 143, 255, 0.4);
    position: relative;
    opacity: 0;
    animation: fadeUp 0.9s 0.35s ease forwards;
    user-select: none;
  }

  .hero-kongres {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.7rem, 5vw, 3.8rem);
    font-weight: 500;
    letter-spacing: 0.04em;
    line-height: 1.15;
    margin-top: -0.3em;
    opacity: 0;
    animation: fadeUp 0.9s 0.5s ease forwards;
  }

  .hero-subtitle {
    font-size: clamp(0.85rem, 2vw, 1.05rem);
    color: var(--muted);
    font-weight: 400;
    letter-spacing: 0.08em;
    margin-top: 10px;
    opacity: 0;
    animation: fadeUp 0.9s 0.65s ease forwards;
  }

  .hero-divider {
    width: 120px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--blue), transparent);
    margin: 36px auto;
    opacity: 0;
    animation: fadeIn 1s 0.8s ease forwards;
  }

  /* date/location card */
  .date-card {
    display: inline-flex;
    align-items: center;
    gap: 0;
    background: rgba(10, 30, 53, 0.6);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    backdrop-filter: blur(12px);
    opacity: 0;
    animation: fadeUp 0.9s 0.9s ease forwards;
  }

  .date-block {
    padding: 22px 32px;
    text-align: center;
  }

  .date-block + .date-block {
    border-left: 1px solid var(--border);
  }

  .date-label {
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 6px;
  }

  .date-value {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.1rem, 3vw, 1.7rem);
    font-weight: 600;
    color: var(--white);
    white-space: nowrap;
  }

  .date-sub {
    font-size: 0.72rem;
    color: var(--muted);
    margin-top: 3px;
  }

  /* ── SECTION ── */
  section.content {
    position: relative;
    z-index: 1;
    max-width: 860px;
    margin: 0 auto;
    padding: clamp(60px, 10vw, 120px) clamp(20px, 6vw, 60px);
  }

  .section-label {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .section-label::before {
    content: '';
    width: 32px;
    height: 1px;
    background: var(--blue);
    display: block;
  }

  .info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 36px 0;
  }

  .info-card {
    background: rgba(10, 30, 53, 0.5);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px 28px;
    transition: border-color 0.3s, transform 0.3s;
  }

  .info-card:hover {
    border-color: rgba(26, 143, 255, 0.4);
    transform: translateY(-2px);
  }

  .info-card-icon {
    font-size: 1.2rem;
    color: var(--blue);
    margin-bottom: 12px;
  }

  .info-card-title {
    font-size: 0.65rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 6px;
    font-weight: 500;
  }

  .info-card-val {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    line-height: 1.3;
  }

  /* main announcement text */
  .announce-text {
    font-size: clamp(0.95rem, 2vw, 1.05rem);
    color: rgba(200, 220, 255, 0.82);
    font-weight: 300;
    line-height: 1.85;
  }

  .announce-text + .announce-text {
    margin-top: 20px;
  }

  /* ── QUOTE / LETTER ── */
  .letter-block {
    margin-top: 60px;
    position: relative;
    padding: 40px 44px;
    background: rgba(10, 30, 53, 0.45);
    border-left: 2px solid var(--gold);
    border-radius: 0 14px 14px 0;
  }

  .letter-block::before {
    content: '\201C';
    font-family: 'Cormorant Garamond', serif;
    font-size: 6rem;
    color: rgba(200, 169, 110, 0.2);
    position: absolute;
    top: -10px; left: 12px;
    line-height: 1;
  }

  .letter-text {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.05rem, 2.5vw, 1.3rem);
    font-weight: 400;
    color: rgba(220, 235, 255, 0.9);
    line-height: 1.8;
    font-style: italic;
  }

  .letter-sig {
    margin-top: 28px;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .letter-sig-name {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gold);
  }

  .letter-sig-role {
    font-size: 0.72rem;
    color: var(--muted);
    letter-spacing: 0.08em;
  }

  /* ── COMING SOON ── */
  .coming-soon {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: clamp(40px, 8vw, 80px) 20px clamp(60px, 10vw, 100px);
    max-width: 600px;
    margin: 0 auto;
  }

  .cs-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.3rem, 4vw, 2.2rem);
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--muted);
    margin-bottom: 12px;
  }

  .cs-bar {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    margin: 0 auto;
    border-radius: 2px;
  }

  /* ── FOOTER ── */
  footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    padding: 28px clamp(20px, 5vw, 64px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
  }

  .footer-copy {
    font-size: 0.72rem;
    color: var(--muted);
    letter-spacing: 0.06em;
  }

  .footer-links {
    display: flex;
    align-items: center;
    gap: 18px;
  }

  .footer-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.8rem;
    transition: color 0.2s;
  }

  .footer-links a:hover { color: var(--white); }

  /* ── ANIMATIONS ── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  @keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
  }

  @keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(0.7); }
  }

  /* scroll-reveal */
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.75s ease, transform 0.75s ease;
  }

  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ── RESPONSIVE ── */
  @media (max-width: 680px) {
    .nav-links a span.nav-text { display: none; }
    .date-card { flex-direction: column; width: 100%; max-width: 280px; }
    .date-block + .date-block { border-left: none; border-top: 1px solid var(--border); }
    .info-grid { grid-template-columns: 1fr; }
    .letter-block { padding: 30px 24px; }
    footer { flex-direction: column; text-align: center; }
  }

  @media (max-width: 480px) {
    nav { padding: 0 16px; }
    .nav-links { gap: 2px; }
    .nav-links a { padding: 6px 8px; font-size: 0; }
    .nav-links a .nav-icon { font-size: 1rem; margin: 0; }
    .nav-logo img { height: 34px; }
  }