:root {
    --primary: #6C63FF;
    --primary-light: #8A84FF;
    --primary-dark: #4B44CC;
    --accent: #E94070;
    --accent2: #12B76A;
    --accent3: #9B51E0;
    --bg: #F7F8FC;
    --bg2: #EDEEF7;
    --bg3: #E4E5F0;
    --card: #FFFFFF;
    --card2: #F2F3FA;
    --border: rgba(108,99,255,0.15);
    --border2: rgba(0,0,0,0.07);
    --text: #1A1B2E;
    --text2: #4A4B6A;
    --text3: #8A8BA8;
    --success: #12B76A;
    --warning: #D97706;
    --danger: #E94070;
    --info: #0EA5E9;
    --shadow: 0 10px 30px rgba(108,99,255,0.08);
    --shadow-glow: 0 0 50px rgba(108,99,255,0.15);
    --radius: 20px;
    --radius-sm: 12px;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  
  html {
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
    height: 100vh;
    overflow-y: scroll;
  }
  
  body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    height: 100vh;
    overflow: hidden;
  }

  /* Scroll snap container */
  .deck-container {
    height: 100vh;
    overflow-y: auto;
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
  }

  /* Individual slide */
  .slide {
    height: 100vh;
    width: 100vw;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding: 60px 8%;
    overflow: hidden;
    background: var(--bg);
  }

  /* Cover slide special background */
  .slide.cover-slide {
    background: radial-gradient(ellipse at 30% 20%, rgba(108,99,255,0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 80%, rgba(155,81,224,0.1) 0%, transparent 50%),
                linear-gradient(160deg, #f0f1ff 0%, #f7f8fc 60%, #fdf4ff 100%);
  }

  /* Dark theme cover option or dark gradients */
  .slide.dark-slide {
    background: radial-gradient(ellipse at 30% 20%, rgba(108,99,255,0.2) 0%, transparent 60%),
                radial-gradient(ellipse at 85% 85%, rgba(233,64,112,0.12) 0%, transparent 50%),
                #0f101c;
    color: #ffffff;
    --text: #ffffff;
    --text2: #a2a5c3;
    --text3: #6c7094;
    --card: rgba(255,255,255,0.03);
    --border: rgba(255,255,255,0.08);
    --border2: rgba(255,255,255,0.05);
  }

  /* Header & Navigation */
  header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 70px;
    padding: 0 4%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    pointer-events: none;
  }
  
  header * {
    pointer-events: auto;
  }

  .logo-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  
  .logo-wrap svg {
    height: 38px;
    width: auto;
  }

  .header-badge {
    background: rgba(108,99,255,0.1);
    border: 1px solid rgba(108,99,255,0.2);
    border-radius: 100px;
    padding: 6px 14px;
    font-size: 11px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
  }

  .slide.dark-slide ~ header .header-badge,
  .active-dark-header .header-badge {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.15);
    color: #ffffff;
  }

  /* Sidebar Indicators */
  .nav-dots {
    position: fixed;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 100;
  }

  .dot-wrap {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    cursor: pointer;
    text-decoration: none;
  }

  .dot-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text3);
    opacity: 0;
    transition: all 0.3s;
    transform: translateX(10px);
    white-space: nowrap;
    text-shadow: 0 2px 4px rgba(0,0,0,0.05);
  }

  .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text3);
    opacity: 0.3;
    transition: all 0.3s;
    border: 2px solid transparent;
  }

  .dot-wrap:hover .dot-label {
    opacity: 1;
    transform: translateX(0);
  }

  .dot-wrap:hover .dot {
    opacity: 0.8;
    transform: scale(1.2);
  }

  .dot-wrap.active .dot {
    background: var(--primary);
    opacity: 1;
    transform: scale(1.4);
    border-color: var(--bg);
    box-shadow: 0 0 10px var(--primary);
  }

  .slide.dark-slide ~ .nav-dots .dot-wrap.active .dot,
  .active-dark-dots .dot-wrap.active .dot {
    background: #ffffff;
    box-shadow: 0 0 12px rgba(255,255,255,0.8);
  }

  /* Layout and typography inside slides */
  .slide-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .slide.active .slide-content {
    opacity: 1;
    transform: translateY(0);
  }

  .slide-header {
    margin-bottom: 35px;
  }

  .slide-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 8px;
  }

  .slide.dark-slide .slide-badge {
    color: var(--accent);
  }

  .slide-title {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 900;
    letter-spacing: -1.5px;
    line-height: 1.15;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--text) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .slide.dark-slide .slide-title {
    background: linear-gradient(135deg, #ffffff 0%, #c5c9f5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .slide-subtitle {
    font-size: 16px;
    color: var(--text2);
    max-width: 800px;
  }

  /* Grid layouts */
  .grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 15px;
  }

  .grid-2 {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
  }

  /* Cards */
  .deck-card {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: var(--radius);
    padding: 30px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
  }

  .deck-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(108,99,255,0.12);
    border-color: var(--primary);
  }

  .slide.dark-slide .deck-card {
    background: rgba(255,255,255,0.03);
    border-color: rgba(255,255,255,0.06);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  }

  .slide.dark-slide .deck-card:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.15);
    box-shadow: 0 15px 40px rgba(108,99,255,0.15);
  }

  .card-num {
    font-size: 48px;
    font-weight: 900;
    line-height: 1;
    color: rgba(108,99,255,0.15);
    position: absolute;
    top: 20px;
    right: 25px;
    font-family: 'JetBrains Mono', monospace;
  }

  .slide.dark-slide .card-num {
    color: rgba(255,255,255,0.08);
  }

  .card-icon-box {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(108,99,255,0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 24px;
  }

  .slide.dark-slide .card-icon-box {
    background: rgba(255,255,255,0.08);
    color: #ffffff;
  }

  .card-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
  }

  .card-desc {
    font-size: 14px;
    color: var(--text2);
    line-height: 1.6;
  }

  /* Controls/Footer */
  .deck-footer {
    position: fixed;
    bottom: 25px; left: 8%; right: 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    pointer-events: none;
  }

  .deck-footer * {
    pointer-events: auto;
  }

  .footer-left {
    font-size: 12px;
    color: var(--text3);
    font-weight: 500;
    letter-spacing: 0.5px;
  }

  .footer-right {
    display: flex;
    gap: 10px;
  }

  .nav-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--text2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 18px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.03);
  }

  .nav-btn:hover {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    transform: translateY(-2px);
  }

  .slide.dark-slide ~ .deck-footer .nav-btn,
  .active-dark-footer .nav-btn {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.1);
    color: #ffffff;
  }

  .slide.dark-slide ~ .deck-footer .nav-btn:hover,
  .active-dark-footer .nav-btn:hover {
    background: #ffffff;
    color: #0f101c;
  }

  /* Specific Slide Enhancements */
  
  /* Slide 1 - Cover */
  .cover-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .cover-logo {
    margin-bottom: 24px;
    animation: float 6s ease-in-out infinite;
  }
  
  @keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
  }

  .cover-title {
    font-size: clamp(38px, 6vw, 72px);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -3px;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #1A1B2E 0%, #6C63FF 45%, #9B51E0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .cover-desc {
    font-size: 20px;
    color: var(--text2);
    margin-bottom: 40px;
    max-width: 700px;
    font-weight: 400;
  }

  .cover-stats-box {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .cover-stat-pill {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text2);
    box-shadow: 0 4px 15px rgba(108,99,255,0.06);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
  }

  .cover-stat-pill:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(108,99,255,0.12);
  }

  .cover-stat-pill strong {
    color: var(--primary);
    font-size: 16px;
    font-family: 'JetBrains Mono', monospace;
  }

  /* Slide 3 - Solution (Circle Diagram) */
  .solution-visual {
    position: relative;
    width: 100%;
    height: 380px;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .central-avatar {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent3) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 800;
    color: white;
    font-size: 18px;
    z-index: 5;
    box-shadow: 0 0 30px rgba(108,99,255,0.4);
    border: 4px solid #ffffff;
  }

  .orbit-ring {
    position: absolute;
    border: 2px dashed rgba(108,99,255,0.2);
    border-radius: 50%;
    animation: spin 30s linear infinite;
  }
  
  .orbit-ring.ring-1 { width: 240px; height: 240px; }
  .orbit-ring.ring-2 { width: 380px; height: 380px; animation-duration: 45s; animation-direction: reverse; }

  @keyframes spin {
    100% { transform: rotate(360deg); }
  }

  .node {
    position: absolute;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #ffffff;
    border: 2px solid var(--primary);
    color: var(--primary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 4px 10px rgba(0,0,0,0.06);
    transform: translate(-50%, -50%);
  }

  /* Nodes positioning on Ring 1 (8 Agents) */
  .node-a1 { top: 0%; left: 50%; }
  .node-a2 { top: 14.6%; left: 85.4%; }
  .node-a3 { top: 50%; left: 100%; }
  .node-a4 { top: 85.4%; left: 85.4%; }
  .node-a5 { top: 100%; left: 50%; }
  .node-a6 { top: 85.4%; left: 14.6%; }
  .node-a7 { top: 50%; left: 0%; }
  .node-a8 { top: 14.6%; left: 14.6%; }

  .solution-legend {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
  }

  .legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    flex-shrink: 0;
  }

  /* Slide 4 - Product Demo (Interactive Mobile Mockup) */
  .mockup-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 420px;
  }

  .phone-mockup {
    width: 250px;
    height: 420px;
    border-radius: 36px;
    background: #0f101c;
    border: 8px solid #282a3d;
    box-shadow: 0 25px 50px rgba(0,0,0,0.3);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
  }

  .phone-screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 12px;
    background: #f7f8fc;
    color: #1a1b2e;
    font-size: 11px;
  }

  .phone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    margin-bottom: 8px;
  }

  .phone-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
  }

  .phone-chat {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-right: 2px;
  }

  .msg {
    max-width: 80%;
    padding: 8px 10px;
    border-radius: 12px;
    line-height: 1.3;
  }

  .msg.incoming {
    background: white;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
  }

  .msg.outgoing {
    background: var(--primary);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
  }

  .phone-badge {
    background: rgba(108,99,255,0.1);
    color: var(--primary);
    align-self: center;
    padding: 4px 10px;
    border-radius: 100px;
    font-size: 9px;
    font-weight: 600;
    margin: 4px 0;
  }

  .phone-input {
    border-top: 1px solid rgba(0,0,0,0.06);
    padding-top: 8px;
    display: flex;
    gap: 6px;
  }

  .phone-input-field {
    flex: 1;
    background: white;
    border-radius: 100px;
    padding: 6px 12px;
    color: var(--text3);
    border: 1px solid rgba(0,0,0,0.08);
  }

  .phone-btn {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
  }

  /* Toggle controls in Product slide right column */
  .control-panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
  }

  .control-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border2);
  }

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

  .control-label {
    font-weight: 600;
    font-size: 14px;
  }

  .control-desc {
    font-size: 12px;
    color: var(--text3);
  }

  /* Toggle Switch */
  .switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 26px;
  }

  .switch input { 
    opacity: 0;
    width: 0;
    height: 0;
  }

  .slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
  }

  .slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
  }

  input:checked + .slider {
    background-color: var(--primary);
  }

  input:checked + .slider:before {
    transform: translateX(20px);
  }

  /* Slide 5 - GTM Loop */
  .gtm-step {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    position: relative;
  }
  
  .gtm-step::after {
    content: "→";
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: var(--primary);
    font-weight: bold;
  }
  
  .gtm-step:last-child::after {
    content: "";
  }
  
  @media(max-width: 900px) {
    .gtm-step::after {
      content: "↓";
      bottom: -20px;
      right: 50%;
      top: auto;
      transform: translateX(50%);
    }
  }

  /* Slide 6 - Business Model Calculator */
  .calc-container {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
  }

  .slider-group {
    margin-bottom: 24px;
  }

  .slider-header {
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 8px;
  }

  .slider-val {
    color: var(--primary);
    font-family: 'JetBrains Mono', monospace;
  }

  .range-input {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--bg3);
    outline: none;
  }

  .range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(108,99,255,0.3);
    transition: transform 0.1s;
  }

  .range-input::-webkit-slider-thumb:hover {
    transform: scale(1.2);
  }

  .calc-results {
    background: rgba(108,99,255,0.05);
    border-radius: var(--radius-sm);
    padding: 24px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    text-align: center;
    margin-top: 24px;
  }

  .result-box {
    display: flex;
    flex-direction: column;
  }

  .result-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text3);
    margin-bottom: 6px;
  }

  .result-val {
    font-size: clamp(18px, 2.5vw, 26px);
    font-weight: 800;
    color: var(--primary);
    font-family: 'JetBrains Mono', monospace;
  }
  
  .result-val.highlight-green {
    color: var(--success);
  }

  /* Slide 7 - Market TAM/SAM/SOM */
  .market-box {
    position: relative;
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .market-circle {
    border-radius: 50%;
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
  }

  .market-circle:hover {
    transform: scale(1.03);
    z-index: 10 !important;
  }

  .tam {
    width: 360px;
    height: 360px;
    background: rgba(108,99,255,0.1);
    border: 2px solid var(--primary);
    color: var(--text);
    z-index: 1;
  }

  .sam {
    width: 250px;
    height: 250px;
    background: rgba(155,81,224,0.15);
    border: 2px solid var(--accent3);
    color: var(--text);
    z-index: 2;
  }

  .som {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent3) 100%);
    color: white;
    z-index: 3;
    box-shadow: 0 8px 25px rgba(233,64,112,0.3);
  }

  .m-val {
    font-size: 24px;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
  }
  
  .som .m-val {
    font-size: 20px;
  }

  .m-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
  }

  /* Slide 8 - Roadmap */
  .roadmap-timeline {
    position: relative;
    padding: 20px 0;
    margin-top: 15px;
  }

  .roadmap-timeline::before {
    content: '';
    position: absolute;
    top: 50px; left: 0; right: 0;
    height: 4px;
    background: var(--bg3);
    z-index: 1;
    border-radius: 2px;
  }

  .roadmap-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    position: relative;
    z-index: 2;
  }

  .roadmap-node {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: var(--radius-sm);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
  }

  .roadmap-node:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
  }

  .node-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bg3);
    border: 4px solid var(--bg);
    margin-bottom: 24px;
    position: relative;
    box-shadow: 0 0 0 4px var(--bg3);
  }

  .roadmap-node.active-node .node-dot {
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(108,99,255,0.2), 0 0 10px var(--primary);
  }

  .node-title {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 6px;
  }

  .node-date {
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
  }

  .node-bullets {
    list-style: none;
    font-size: 12px;
    color: var(--text2);
  }

  .node-bullets li {
    margin-bottom: 4px;
    display: flex;
    align-items: flex-start;
    gap: 6px;
  }

  .node-bullets li::before {
    content: "•";
    color: var(--primary);
  }

  /* Slide 10 - Exits */
  .exit-tab-btns {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
  }

  .exit-btn {
    flex: 1;
    padding: 12px;
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 700;
    font-size: 14px;
    text-align: center;
    transition: all 0.2s;
    box-shadow: var(--shadow);
    color: var(--text);
  }

  .exit-btn:hover {
    border-color: var(--primary);
  }

  .exit-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 6px 15px rgba(108,99,255,0.25);
  }

  .exit-content {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    min-height: 200px;
    box-shadow: var(--shadow);
  }

  .exit-pane {
    display: none;
  }

  .exit-pane.active {
    display: block;
    animation: fadeIn 0.4s ease-out;
  }

  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* Utilities */
  .accent-txt {
    color: var(--primary);
    font-weight: 700;
  }

  .flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .text-center {
    text-align: center;
  }

  /* Highlight grids */
  .highlight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  
  .highlight-card {
    background: rgba(108,99,255,0.04);
    border-left: 4px solid var(--primary);
    padding: 20px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  }
  
  .highlight-card.green {
    background: rgba(18,183,106,0.04);
    border-left-color: var(--success);
  }
  
  .highlight-card.pink {
    background: rgba(233,64,112,0.04);
    border-left-color: var(--accent);
  }

  .h-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
  }
  
  .highlight-card .h-title { color: var(--primary); }
  .highlight-card.green .h-title { color: var(--success); }
  .highlight-card.pink .h-title { color: var(--accent); }
  
  .h-desc {
    font-size: 13px;
    color: var(--text2);
    line-height: 1.5;
  }

  /* Financial breakdown */
  .fin-breakdown {
    background: var(--card2);
    border-radius: var(--radius-sm);
    padding: 20px;
  }
  
  .fin-row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border2);
  }
  
  .fin-row:last-child {
    border-bottom: none;
    font-weight: 700;
  }
  
  /* Media responsive adaptations */
  @media (max-width: 1000px) {
    .grid-3, .grid-2, .roadmap-grid, .calc-results, .highlight-grid {
      grid-template-columns: 1fr;
      gap: 15px;
    }
    
    .slide {
      padding: 80px 6%;
      overflow-y: auto;
    }
    
    .phone-mockup {
      display: none;
    }
    
    .market-box {
      height: 250px;
    }
    
    .tam { width: 220px; height: 220px; }
    .sam { width: 160px; height: 160px; }
    .som { width: 100px; height: 100px; }
    
    .roadmap-timeline::before {
      display: none;
    }
    
    .node-dot {
      margin-bottom: 8px;
    }
  }

  /* Partner Login Overlay Styles */
  #partnerLoginOverlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: radial-gradient(circle at 50% 50%, #1e1f38 0%, #0f101c 100%);
    z-index: 9999999;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Inter', system-ui, sans-serif;
    padding: 20px; box-sizing: border-box; color: #fff;
  }
  .login-card {
    width: 100%; max-width: 400px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(25px); -webkit-backdrop-filter: blur(25px);
    border-radius: 24px; padding: 40px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3); text-align: center;
  }
  .login-logo { margin-bottom: 24px; }
  .login-title { font-size: 24px; font-weight: 700; margin-bottom: 8px; color: #fff; letter-spacing: -0.02em; }
  .login-subtitle { font-size: 14px; color: #a2a5c3; margin-bottom: 32px; line-height: 1.4; }
  .login-form-group { display: flex; flex-direction: column; gap: 8px; text-align: left; margin-bottom: 20px; }
  .login-label { font-size: 11px; font-weight: 700; color: #a2a5c3; text-transform: uppercase; letter-spacing: 0.08em; }
  .login-input {
    width: 100%; padding: 14px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px; color: #fff; font-size: 15px; outline: none;
    transition: all 0.25s ease;
  }
  .login-input:focus {
    border-color: #6C63FF;
    box-shadow: 0 0 12px rgba(108, 99, 255, 0.25);
    background: rgba(255, 255, 255, 0.08);
  }
  .login-error { color: #E94070; font-size: 13px; margin-top: -10px; margin-bottom: 15px; display: none; text-align: center; font-weight: 500; }
  .login-btn {
    width: 100%; padding: 14px;
    background: linear-gradient(135deg, #E94070 0%, #6C63FF 100%);
    border: none; border-radius: 12px; color: #fff; font-size: 16px; font-weight: 600;
    cursor: pointer; transition: all 0.25s ease;
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.2);
  }
  .login-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(108, 99, 255, 0.4); filter: brightness(1.1); }
  .login-btn:active { transform: translateY(0); }
  @keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
  }

  /* Header Architecture Button Styles */
  .header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .arch-btn {
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    color: #fff !important;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    padding: 8px 16px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(108,99,255,0.2);
    transition: all 0.25s ease;
  }
  .arch-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(108,99,255,0.3);
    filter: brightness(1.1);
  }
  .arch-btn:active {
    transform: translateY(0);
  }
  @media (max-width: 600px) {
    .arch-btn {
      padding: 6px 10px;
      font-size: 11px;
    }
    .header-actions {
      gap: 8px;
    }
  }
  @media (max-width: 400px) {
    .logo-wrap svg {
      height: 28px;
    }
    .header-badge {
      display: none;
    }
  }

/* Language Selector Styles */
.lang-select-wrap {
  display: flex;
  align-items: center;
}
.lang-select {
  background: rgba(108, 99, 255, 0.05);
  border: 1px solid rgba(108,92,231,0.25);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: all 0.2s;
  font-family: inherit;
}
.active-dark-header .lang-select {
  color: #eeedf5;
  background: rgba(255,255,255,0.03);
}
.lang-select:hover {
  border-color: rgba(108,92,231,0.4);
  background: rgba(108,92,231,0.1);
}
.active-dark-header .lang-select:hover {
  color: #fff;
  background: rgba(108,92,231,0.2);
}
.lang-select option {
  background: var(--card);
  color: var(--text);
}
.active-dark-header .lang-select option {
  background: #100e20;
  color: #eeedf5;
}