:root {
    /* Цветове от логото */
    --brand-blue-light: #4dc3ff;
    --brand-blue: #00a8e8;
    --brand-blue-dark: #0077b6;
    --brand-blue-deep: #003566;
    --brand-silver: #c0c5cc;
    
    --bg-primary: #0a1a2e;
    --bg-secondary: #0f2542;
    --bg-tertiary: #14304f;
    
    --accent-industrial: #ff8c42;
    --accent-industrial-glow: rgba(255, 140, 66, 0.5);
    --accent-aspiration-glow: rgba(77, 195, 255, 0.5);
    
    --text-primary: #ffffff;
    --text-secondary: #b8c6d6;
    --text-muted: #6b7c93;
  }

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

  body {
    font-family: 'Manrope', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    -webkit-font-smoothing: antialiased;
  }

  /* ========== TOP BAR ========== */
  .top-bar {
    position: fixed;
    top: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    pointer-events: none;
  }

  .logo-container {
    padding: 0;
    transition: transform 0.4s;
    pointer-events: auto;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.6)) drop-shadow(0 0 40px rgba(77, 195, 255, 0.3));
  }

  .logo-container:hover {
    transform: scale(1.05);
  }

  .logo-container img {
    height: 180px;
    display: block;
  }

  .top-info {
    display: flex;
    gap: 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-primary);
    letter-spacing: 0.15em;
    text-transform: uppercase;
  }

  .top-info span {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(10, 26, 46, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 4px;
  }

  .top-info .dot {
    width: 6px;
    height: 6px;
    background: #4ade80;
    border-radius: 50%;
    box-shadow: 0 0 8px #4ade80;
    animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
  }

  /* ========== TAGLINE ========== */
  .tagline {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 90;
    text-align: center;
    pointer-events: none;
  }

  .tagline-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-primary);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    background: rgba(10, 26, 46, 0.85);
    padding: 12px 24px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 100px;
    display: inline-block;
    backdrop-filter: blur(10px);
  }

  /* ========== SPLIT SCREEN ========== */
  .split-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    position: relative;
  }

  .panel {
    flex: 1;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: flex 0.7s cubic-bezier(0.7, 0, 0.3, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    /* Изместваме съдържанието надолу, за да е центрирано в пространството под логото */
    padding-top: 260px;
  }

  .split-container:hover .panel {
    flex: 0.7;
  }

  .split-container .panel:hover {
    flex: 1.5;
  }

  /* ========== PANEL BG IMAGE ========== */
  .panel-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.5s;
    z-index: 0;
  }

  .panel:hover .panel-bg {
    transform: scale(1.08);
  }

  /* ========== PANEL ASPIRATION ========== */
  .panel-aspiration .panel-bg {
    background-image: url('../img/f5dfe030f71d74d6.jpg');
    filter: grayscale(20%) brightness(0.55) contrast(1.05);
  }

  .panel-aspiration:hover .panel-bg {
    filter: grayscale(0%) brightness(0.7) contrast(1.05);
  }

  /* Син overlay за брандиране */
  .panel-aspiration::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
      linear-gradient(135deg, 
        rgba(0, 26, 51, 0.85) 0%, 
        rgba(0, 53, 102, 0.6) 50%, 
        rgba(0, 119, 182, 0.55) 100%);
    z-index: 1;
    transition: opacity 0.5s;
  }

  .panel-aspiration:hover::before {
    background: 
      linear-gradient(135deg, 
        rgba(0, 26, 51, 0.75) 0%, 
        rgba(0, 53, 102, 0.5) 50%, 
        rgba(0, 119, 182, 0.45) 100%);
  }

  /* Допълнителен glow ефект */
  .panel-aspiration::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
      radial-gradient(circle at 30% 50%, var(--accent-aspiration-glow) 0%, transparent 60%);
    z-index: 2;
    opacity: 0.4;
    transition: opacity 0.5s;
    pointer-events: none;
  }

  .panel-aspiration:hover::after {
    opacity: 0.7;
  }

  /* ========== PANEL INDUSTRIAL ========== */
  .panel-industrial .panel-bg {
    background-image: url('../img/ae2968ee3cbc7f5d.jpg');
    background-size: cover;
    background-position: center;
    filter: grayscale(10%) brightness(0.6) contrast(1.1);
  }

  .panel-industrial:hover .panel-bg {
    filter: grayscale(0%) brightness(0.75) contrast(1.1);
  }

  /* Топъл overlay за брандиране */
  .panel-industrial::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
      linear-gradient(135deg, 
        rgba(26, 14, 8, 0.75) 0%, 
        rgba(45, 24, 16, 0.55) 50%, 
        rgba(74, 40, 24, 0.5) 100%);
    z-index: 1;
    transition: opacity 0.5s;
  }

  .panel-industrial:hover::before {
    background: 
      linear-gradient(135deg, 
        rgba(26, 14, 8, 0.65) 0%, 
        rgba(45, 24, 16, 0.45) 50%, 
        rgba(74, 40, 24, 0.4) 100%);
  }

  /* Допълнителен glow ефект */
  .panel-industrial::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
      radial-gradient(circle at 70% 50%, var(--accent-industrial-glow) 0%, transparent 60%);
    z-index: 2;
    opacity: 0.4;
    transition: opacity 0.5s;
    pointer-events: none;
  }

  .panel-industrial:hover::after {
    opacity: 0.7;
  }

  /* Placeholder watermark */
  .placeholder-note {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, calc(-50% + 240px));
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: rgba(255,255,255,0.3);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    z-index: 2;
    text-align: center;
    pointer-events: none;
  }

  /* ========== PANEL CONTENT ========== */
  .panel-content {
    position: relative;
    z-index: 5;
    padding: 40px 80px 80px;
    width: 100%;
    max-width: 600px;
    text-align: center;
    transition: transform 0.5s;
  }

  .panel:hover .panel-content {
    transform: translateY(-10px);
  }

  .panel-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.25em;
    margin-bottom: 32px;
    opacity: 0.85;
    transition: opacity 0.5s;
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 100px;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
  }

  .panel:hover .panel-number {
    opacity: 1;
  }

  .panel-aspiration .panel-number { 
    color: var(--brand-blue-light); 
    border-color: rgba(77,195,255,0.4);
  }
  .panel-industrial .panel-number { 
    color: var(--accent-industrial); 
    border-color: rgba(255,140,66,0.4);
  }

  .panel-icon-wrapper {
    width: 100px;
    height: 100px;
    margin: 0 auto 40px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.5s;
  }

  .panel:hover .panel-icon-wrapper {
    transform: scale(1.1);
  }

  .panel-aspiration .panel-icon-wrapper::before {
    content: '';
    position: absolute;
    inset: -10px;
    border: 2px solid var(--brand-blue-light);
    border-radius: 50%;
    opacity: 0.4;
    animation: rotate 20s linear infinite;
    border-style: dashed;
  }

  .panel-industrial .panel-icon-wrapper::before {
    content: '';
    position: absolute;
    inset: -10px;
    border: 2px solid var(--accent-industrial);
    border-radius: 50%;
    opacity: 0.4;
    animation: rotate 20s linear infinite reverse;
    border-style: dashed;
  }

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

  .panel-icon {
    width: 70px;
    height: 70px;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.5));
  }

  .panel-aspiration .panel-icon { color: var(--brand-blue-light); }
  .panel-industrial .panel-icon { color: var(--accent-industrial); }

  .panel-title {
    font-family: 'Archivo Black', sans-serif;
    font-size: clamp(40px, 5vw, 68px);
    line-height: 0.95;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 24px;
    text-shadow: 0 4px 24px rgba(0,0,0,0.6);
  }

  .panel-title .accent-text {
    display: block;
    width: 100%;
    text-align: center;
    background: linear-gradient(135deg, var(--brand-blue-light), var(--brand-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .panel-industrial .panel-title .accent-text {
    background: linear-gradient(135deg, #ffb380, var(--accent-industrial));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .panel-description {
    font-size: 17px;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 40px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 12px rgba(0,0,0,0.7);
  }

  .panel-features {
    list-style: none;
    margin-bottom: 48px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }

  .panel-features li {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 10px 24px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 4px;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(10px);
    transition: all 0.3s;
  }

  .panel:hover .panel-features li {
    border-color: rgba(255,255,255,0.35);
    background: rgba(0,0,0,0.5);
  }

  .panel-cta {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    padding: 20px 44px;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    border: 2px solid;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
    border-radius: 4px;
  }

  .panel-aspiration .panel-cta {
    border-color: var(--brand-blue-light);
  }

  .panel-industrial .panel-cta {
    border-color: var(--accent-industrial);
  }

  .panel-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
    z-index: -1;
  }

  .panel-aspiration .panel-cta::before {
    background: var(--brand-blue-light);
  }

  .panel-industrial .panel-cta::before {
    background: var(--accent-industrial);
  }

  .panel-cta:hover::before {
    transform: scaleX(1);
  }

  .panel-aspiration .panel-cta:hover {
    color: #001a33;
  }

  .panel-industrial .panel-cta:hover {
    color: #1a0e08;
  }

  .panel-cta .arrow {
    transition: transform 0.3s;
  }

  .panel-cta:hover .arrow {
    transform: translateX(8px);
  }

  /* ========== DIVIDER ========== */
  .divider {
    width: 1px;
    height: 100vh;
    background: linear-gradient(180deg, 
      transparent 0%, 
      rgba(255,255,255,0.4) 20%, 
      rgba(255,255,255,0.4) 80%, 
      transparent 100%);
    z-index: 4;
    pointer-events: none;
    flex-shrink: 0;
  }

  /* ========== BOTTOM BAR ========== */
  .bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 50;
    padding: 24px 48px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    pointer-events: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.2em;
  }

  .bottom-bar a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
    padding: 8px 16px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 4px;
    background: rgba(10, 26, 46, 0.7);
    backdrop-filter: blur(10px);
    pointer-events: auto;
  }

  .bottom-bar a:hover {
    color: var(--brand-blue-light);
    border-color: var(--brand-blue-light);
  }

  /* ========== ANIMATIONS ========== */
  /* Искри (индустриални решения) */
  @keyframes spark {
    0%, 100% { opacity: 0; transform: scale(0); }
    50% { opacity: 1; transform: scale(1.5); }
  }

  .spark {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-industrial);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--accent-industrial), 0 0 20px var(--accent-industrial);
    animation: spark 2s ease-in-out infinite;
    z-index: 3;
  }

  .spark:nth-child(1) { top: 20%; left: 15%; animation-delay: 0s; }
  .spark:nth-child(2) { top: 70%; left: 25%; animation-delay: 0.5s; }
  .spark:nth-child(3) { top: 30%; left: 70%; animation-delay: 1s; }
  .spark:nth-child(4) { top: 80%; left: 80%; animation-delay: 1.5s; }
  .spark:nth-child(5) { top: 50%; left: 50%; animation-delay: 0.7s; }
  .spark:nth-child(6) { top: 15%; left: 60%; animation-delay: 1.2s; }
  .spark:nth-child(7) { top: 60%; left: 10%; animation-delay: 0.3s; }

  /* Анимация при зареждане */
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .panel-content > * {
    animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) backwards;
  }

  .panel-content > *:nth-child(1) { animation-delay: 0.2s; }
  .panel-content > *:nth-child(2) { animation-delay: 0.3s; }
  .panel-content > *:nth-child(3) { animation-delay: 0.4s; }
  .panel-content > *:nth-child(4) { animation-delay: 0.5s; }
  .panel-content > *:nth-child(5) { animation-delay: 0.6s; }
  .panel-content > *:nth-child(6) { animation-delay: 0.7s; }

  /* ========== MOBILE ========== */
  @media (max-width: 968px) {
    body {
      overflow-y: auto;
      height: auto;
    }

    .split-container {
      flex-direction: column;
      height: auto;
    }

    .panel {
      min-height: 100vh;
      flex: none !important;
      padding-top: 180px;
    }

    .panel-content {
      padding: 40px 24px 80px;
    }

    .panel-title {
      font-size: 44px;
    }

    .divider {
      display: none;
    }

    .top-bar {
      top: 20px;
    }

    .logo-container img {
      height: 110px;
    }

    .bottom-bar {
      padding: 16px 20px;
    }

    .tagline {
      display: none;
    }
  }