:root {
    --bg: #07111f;
    --bg-2: #0a1627;
    --panel: rgba(14, 24, 40, 0.72);
    --panel-strong: rgba(11, 20, 33, 0.9);
    --line: rgba(255, 255, 255, 0.09);
    --line-strong: rgba(91, 214, 255, 0.22);
    --text: #f3f8ff;
    --muted: #9fb0c7;
    --muted-2: #7e90aa;
    --accent: #67e8f9;
    --accent-2: #7c3aed;
    --accent-3: #38bdf8;
    --success: #7ef0b8;
    --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --container: 1180px;
  }
  
  * {
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    margin: 0;
    font-family: "Inter", sans-serif;
    color: var(--text);
    background:
      radial-gradient(circle at top left, rgba(57, 139, 255, 0.12), transparent 28%),
      radial-gradient(circle at 85% 15%, rgba(124, 58, 237, 0.14), transparent 22%),
      linear-gradient(180deg, #060c15 0%, #08111d 38%, #07111f 100%);
    min-height: 100vh;
    overflow-x: hidden;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  .page-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
  }
  
  .bg-orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(60px);
    opacity: 0.55;
  }
  
  .orb-1 {
    width: 360px;
    height: 360px;
    left: -80px;
    top: 60px;
    background: rgba(45, 212, 191, 0.18);
  }
  
  .orb-2 {
    width: 420px;
    height: 420px;
    right: -90px;
    top: 110px;
    background: rgba(124, 58, 237, 0.16);
  }
  
  .bg-grid {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 36px 36px;
    mask-image: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent 85%);
  }
  
  .container {
    width: min(var(--container), calc(100% - 40px));
    margin: 0 auto;
  }
  
  .section {
    padding: 88px 0;
  }
  
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(18px);
    background: rgba(6, 12, 22, 0.6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  
  .nav-wrap {
    min-height: 82px;
    display: flex;
    align-items: center;
    gap: 20px;
  }
  
  .brand {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 240px;
  }
  
  .brand-mark {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background:
      linear-gradient(135deg, rgba(103, 232, 249, 0.24), rgba(124, 58, 237, 0.2));
    border: 1px solid rgba(255,255,255,0.12);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 10px 30px rgba(3, 10, 18, 0.45);
  }
  
  .brand-mark::before,
  .brand-mark::after {
    content: "";
    position: absolute;
    border-radius: 50%;
  }
  
  .brand-mark::before {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(103, 232, 249, 0.9);
  }
  
  .brand-mark::after {
    width: 8px;
    height: 8px;
    background: linear-gradient(180deg, #67e8f9, #8b5cf6);
    box-shadow: 14px 0 0 rgba(103, 232, 249, 0.75), -14px 0 0 rgba(139, 92, 246, 0.75);
  }
  
  .brand-core {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: white;
    opacity: 0.9;
  }
  
  .brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  
  .brand-name {
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
  }
  
  .brand-sub {
    font-size: 0.76rem;
    color: var(--muted);
  }
  
  .site-nav {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 26px;
  }
  
  .site-nav a {
    color: var(--muted);
    font-weight: 500;
    font-size: 0.96rem;
    transition: color 0.2s ease, opacity 0.2s ease;
  }
  
  .site-nav a:hover,
  .site-nav a.active {
    color: var(--text);
  }
  
  .nav-toggle {
    display: none;
    margin-left: auto;
    background: transparent;
    border: 0;
    padding: 0;
    width: 42px;
    height: 42px;
    cursor: pointer;
  }
  
  .nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    margin: 5px auto;
    background: white;
    border-radius: 10px;
  }
  
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border-radius: 16px;
    padding: 14px 20px;
    font-weight: 600;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
  }
  
  .btn:hover {
    transform: translateY(-1px);
  }
  
  .btn-small {
    padding: 11px 16px;
    font-size: 0.92rem;
  }
  
  .btn-primary {
    color: #07111f;
    background: linear-gradient(135deg, #bef7ff 0%, #67e8f9 45%, #7c3aed 130%);
    box-shadow: 0 16px 40px rgba(61, 214, 255, 0.2);
  }
  
  .btn-secondary,
  .btn-glass {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text);
  }
  
  .hero {
    padding-top: 58px;
    padding-bottom: 72px;
  }
  
  .hero-compact {
    padding-top: 42px;
    padding-bottom: 48px;
  }
  
  .hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 42px;
    align-items: center;
  }
  
  .founder-grid {
    align-items: stretch;
  }
  
  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #b9f6ff;
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 16px;
  }
  
  h1,
  h2,
  h3 {
    margin: 0;
    letter-spacing: -0.04em;
  }
  
  h1 {
    font-size: clamp(2.8rem, 5vw, 5.4rem);
    line-height: 0.96;
    max-width: 11ch;
  }
  
  h2 {
    font-size: clamp(2rem, 3.2vw, 3.6rem);
    line-height: 1.02;
  }
  
  h3 {
    font-size: 1.2rem;
    line-height: 1.1;
  }
  
  .gradient-text {
    background: linear-gradient(90deg, #ebfdff 0%, #7ee8ff 35%, #b38cff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  
  .hero-text,
  .section-text,
  .section-head p,
  .info-card p,
  .feature-card p,
  .audience-card p,
  .cta-card p,
  .arch-desc,
  .mini-note,
  .check-item,
  .timeline-card p,
  .timeline-card h3,
  .about-copy p,
  .metric-text,
  .visual-footer,
  .visual-label,
  .visual-title,
  .status-pill {
    line-height: 1.72;
  }
  
  .hero-text {
    color: var(--muted);
    font-size: 1.08rem;
    max-width: 640px;
    margin: 22px 0 0;
  }
  
  .hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 30px;
  }
  
  .hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 34px;
  }
  
  .metric-card,
  .info-card,
  .feature-card,
  .audience-card,
  .mini-note,
  .check-list-card,
  .timeline-card,
  .founder-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.02));
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
  }
  
  .metric-card {
    padding: 18px;
  }
  
  .metric-title {
    font-weight: 700;
    font-size: 0.98rem;
    margin-bottom: 8px;
  }
  
  .metric-text {
    font-size: 0.92rem;
    color: var(--muted);
  }
  
  .glass-card {
    background:
      linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.02));
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
  }
  
  .visual-card,
  .graph-card,
  .arch-stack,
  .system-map,
  .hub-card-advanced,
  .cta-card {
    border-radius: var(--radius-xl);
  }
  
  .visual-card {
    padding: 24px;
    min-height: 520px;
  }
  
  .visual-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
  }
  
  .visual-label {
    color: var(--muted);
    font-size: 0.9rem;
  }
  
  .visual-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-top: 6px;
  }
  
  .status-pill {
    color: var(--success);
    font-weight: 600;
    font-size: 0.8rem;
    border-radius: 999px;
    padding: 8px 12px;
    border: 1px solid rgba(126, 240, 184, 0.22);
    background: rgba(126, 240, 184, 0.08);
  }
  
  .hub-diagram {
    position: relative;
    min-height: 360px;
    margin-top: 24px;
    border-radius: 28px;
    background:
      radial-gradient(circle at center, rgba(103,232,249,0.14), transparent 28%),
      linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
    border: 1px solid rgba(255,255,255,0.06);
    overflow: hidden;
  }
  
  .hub-center,
  .hub-node,
  .graph-node,
  .system-center,
  .system-block {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.11);
    color: #eefaff;
    background: rgba(8, 17, 31, 0.84);
    box-shadow: 0 14px 30px rgba(0,0,0,0.24);
  }
  
  .hub-center {
    width: 126px;
    height: 126px;
    left: calc(50% - 63px);
    top: calc(50% - 63px);
    border-radius: 999px;
    background:
      radial-gradient(circle at 30% 30%, rgba(103,232,249,0.22), rgba(8,17,31,0.95));
    font-weight: 800;
    font-size: 1.15rem;
    z-index: 2;
  }
  
  .hub-node {
    width: 98px;
    height: 52px;
    font-size: 0.9rem;
    font-weight: 600;
  }
  
  .node-a { left: 52px; top: 46px; }
  .node-b { right: 56px; top: 52px; }
  .node-c { left: 44px; bottom: 60px; }
  .node-d { right: 44px; bottom: 64px; }
  .node-e { left: calc(50% - 49px); top: 18px; }
  .node-f { left: calc(50% - 49px); bottom: 22px; }
  
  .hub-line,
  .graph-link,
  .system-line {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, rgba(103,232,249,0.1), rgba(103,232,249,0.8), rgba(124,58,237,0.6));
    transform-origin: left center;
    z-index: 1;
  }
  
  .line-a { width: 120px; left: 138px; top: 113px; transform: rotate(22deg); }
  .line-b { width: 116px; left: 258px; top: 112px; transform: rotate(-22deg); }
  .line-c { width: 125px; left: 138px; top: 246px; transform: rotate(-24deg); }
  .line-d { width: 121px; left: 258px; top: 245px; transform: rotate(24deg); }
  .line-e { width: 62px; left: 214px; top: 72px; transform: rotate(90deg); }
  .line-f { width: 68px; left: 214px; top: 227px; transform: rotate(90deg); }
  
  .visual-footer {
    margin-top: 18px;
    color: var(--muted);
    font-size: 0.96rem;
  }
  
  .strip {
    padding-top: 24px;
    padding-bottom: 24px;
  }
  
  .strip-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  
  .info-card {
    padding: 24px;
  }
  
  .card-kicker {
    color: #aef5ff;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 12px;
  }
  
  .info-card h3 {
    margin-bottom: 12px;
    font-size: 1.28rem;
  }
  
  .info-card p {
    color: var(--muted);
    font-size: 0.96rem;
  }
  
  .section-head {
    max-width: 800px;
    margin-bottom: 30px;
  }
  
  .section-head.left {
    margin-bottom: 24px;
  }
  
  .section-head p {
    color: var(--muted);
    margin-top: 16px;
    font-size: 1.02rem;
  }
  
  .feature-grid,
  .audience-grid {
    display: grid;
    gap: 18px;
  }
  
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .audience-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .feature-card,
  .audience-card {
    padding: 24px;
  }
  
  .feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(103,232,249,0.16), rgba(124,58,237,0.14));
    border: 1px solid rgba(255,255,255,0.08);
    color: #c9f8ff;
    font-size: 1.1rem;
    margin-bottom: 16px;
  }
  
  .feature-card h3,
  .audience-card h3 {
    margin-bottom: 12px;
  }
  
  .feature-card p,
  .audience-card p {
    color: var(--muted);
    font-size: 0.96rem;
  }
  
  .architecture-section .arch-stack {
    padding: 22px;
  }
  
  .arch-layer {
    padding: 18px 22px;
    border-radius: 22px;
    border: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 12px;
    position: relative;
    overflow: hidden;
  }
  
  .arch-layer:last-child {
    margin-bottom: 0;
  }
  
  .arch-layer::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(103,232,249,0.08), transparent 48%, rgba(124,58,237,0.08));
    pointer-events: none;
  }
  
  .layer-1 { background: rgba(103, 232, 249, 0.08); }
  .layer-2 { background: rgba(76, 154, 255, 0.07); }
  .layer-3 { background: rgba(126, 240, 184, 0.07); }
  .layer-4 { background: rgba(255, 255, 255, 0.04); }
  .layer-5 { background: rgba(139, 92, 246, 0.08); }
  .layer-6 { background: rgba(255, 255, 255, 0.035); }
  
  .arch-name {
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 6px;
  }
  
  .arch-desc {
    color: var(--muted);
    font-size: 0.95rem;
  }
  
  .arch-notes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 18px;
  }
  
  .mini-note {
    padding: 18px;
    color: var(--muted);
    font-size: 0.92rem;
  }
  
  .mini-note strong {
    color: white;
  }
  
  .graph-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 28px;
    align-items: center;
  }
  
  .bullet-list {
    margin: 22px 0 0;
    padding-left: 18px;
    color: var(--muted);
  }
  
  .bullet-list li {
    margin-bottom: 10px;
    line-height: 1.65;
  }
  
  .graph-card {
    padding: 18px;
    min-height: 460px;
  }
  
  .graph-canvas {
    position: relative;
    min-height: 420px;
    border-radius: 28px;
    border: 1px solid rgba(255,255,255,0.06);
    background:
      radial-gradient(circle at 50% 50%, rgba(103,232,249,0.08), transparent 32%),
      linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  }
  
  .graph-node {
    min-width: 120px;
    min-height: 54px;
    padding: 10px 16px;
    font-size: 0.9rem;
    font-weight: 600;
  }
  
  .n-center {
    left: calc(50% - 78px);
    top: calc(50% - 28px);
    width: 156px;
    min-height: 56px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 30%, rgba(124,58,237,0.24), rgba(8,17,31,0.96));
  }
  
  .n-1 { left: 38px; top: 50px; }
  .n-2 { right: 44px; top: 66px; }
  .n-3 { right: 32px; bottom: 76px; }
  .n-4 { left: 56px; bottom: 68px; }
  .n-5 { left: calc(50% - 62px); top: 28px; }
  .n-6 { left: calc(50% - 56px); bottom: 28px; }
  
  .g1 { width: 134px; left: 144px; top: 112px; transform: rotate(21deg); }
  .g2 { width: 124px; left: 274px; top: 116px; transform: rotate(-22deg); }
  .g3 { width: 120px; left: 284px; top: 242px; transform: rotate(22deg); }
  .g4 { width: 126px; left: 144px; top: 250px; transform: rotate(-24deg); }
  .g5 { width: 72px; left: 220px; top: 88px; transform: rotate(90deg); }
  .g6 { width: 76px; left: 220px; top: 258px; transform: rotate(90deg); }
  
  .cta-card {
    padding: 38px;
    text-align: center;
    background:
      radial-gradient(circle at top center, rgba(103,232,249,0.1), transparent 32%),
      linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  }
  
  .cta-card h2 {
    max-width: 12ch;
    margin: 0 auto;
  }
  
  .cta-card p {
    max-width: 760px;
    margin: 18px auto 0;
    color: var(--muted);
    font-size: 1rem;
  }
  
  .cta-card .hero-actions {
    justify-content: center;
  }
  
  .hub-card-advanced {
    padding: 24px;
  }
  
  .panel-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: #dffbff;
  }
  
  .mini-arch {
    display: grid;
    gap: 10px;
  }
  
  .mini-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(255,255,255,0.035);
    border: 1px solid rgba(255,255,255,0.06);
  }
  
  .mini-row span:first-child {
    font-weight: 700;
  }
  
  .mini-row span:last-child {
    color: var(--muted);
    text-align: right;
  }
  
  .system-map {
    position: relative;
    min-height: 560px;
    padding: 20px;
    overflow: hidden;
  }
  
  .system-center {
    width: 180px;
    height: 180px;
    border-radius: 999px;
    left: calc(50% - 90px);
    top: calc(50% - 90px);
    background:
      radial-gradient(circle at 30% 30%, rgba(103,232,249,0.22), rgba(8,17,31,0.95));
    font-weight: 800;
    font-size: 1.2rem;
    z-index: 2;
  }
  
  .system-block {
    width: 210px;
    min-height: 94px;
    padding: 16px;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
  
  .system-block h3 {
    font-size: 1rem;
    margin-bottom: 8px;
  }
  
  .system-block p {
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.55;
    margin: 0;
  }
  
  .sb-1 { left: 40px; top: 52px; }
  .sb-2 { right: 42px; top: 58px; }
  .sb-3 { left: 48px; bottom: 64px; }
  .sb-4 { right: 48px; bottom: 66px; }
  .sb-5 { left: calc(50% - 105px); top: 30px; }
  
  .sl-1 { width: 160px; left: 216px; top: 154px; transform: rotate(16deg); }
  .sl-2 { width: 158px; left: 500px; top: 158px; transform: rotate(-16deg); }
  .sl-3 { width: 170px; left: 220px; top: 344px; transform: rotate(-18deg); }
  .sl-4 { width: 170px; left: 498px; top: 344px; transform: rotate(18deg); }
  .sl-5 { width: 84px; left: calc(50% - 42px); top: 120px; transform: rotate(90deg); }
  
  .check-list-card {
    padding: 24px;
    display: grid;
    gap: 14px;
  }
  
  .check-item {
    position: relative;
    padding: 14px 16px 14px 42px;
    color: var(--muted);
    font-size: 0.97rem;
  }
  
  .check-item::before {
    content: "✓";
    position: absolute;
    left: 14px;
    top: 12px;
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    color: #031018;
    background: linear-gradient(180deg, #67e8f9, #7ef0b8);
    font-weight: 800;
    font-size: 0.82rem;
  }
  
  .about-layout {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 28px;
    align-items: start;
  }
  
  .about-copy p {
    color: var(--muted);
    font-size: 1rem;
    margin: 0 0 18px;
  }
  
  .timeline-card {
    padding: 24px;
  }
  
  .timeline-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    position: relative;
    padding-bottom: 20px;
    margin-bottom: 20px;
  }
  
  .timeline-item:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
  }
  
  .timeline-item:not(:last-child)::after {
    content: "";
    position: absolute;
    left: 7px;
    top: 28px;
    bottom: -4px;
    width: 2px;
    background: linear-gradient(180deg, rgba(103,232,249,0.6), rgba(124,58,237,0.35));
  }
  
  .timeline-dot {
    width: 16px;
    height: 16px;
    border-radius: 999px;
    background: linear-gradient(180deg, #67e8f9, #8b5cf6);
    box-shadow: 0 0 0 6px rgba(103,232,249,0.08);
    flex: 0 0 auto;
    margin-top: 6px;
  }
  
  .timeline-card h3 {
    margin-bottom: 8px;
  }
  
  .timeline-card p {
    color: var(--muted);
    margin: 0;
    font-size: 0.96rem;
  }
  
  .founder-card {
    padding: 28px;
    min-height: 100%;
  }
  
  .founder-avatar {
    width: 78px;
    height: 78px;
    border-radius: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(103,232,249,0.2), rgba(124,58,237,0.2));
    border: 1px solid rgba(255,255,255,0.1);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 16px;
  }
  
  .founder-name {
    font-size: 1.15rem;
    font-weight: 700;
  }
  
  .founder-role {
    color: var(--muted);
    margin-top: 4px;
    margin-bottom: 16px;
  }
  
  .founder-card p {
    color: var(--muted);
    margin: 0;
  }
  
  @media (max-width: 1100px) {
    .hero-grid,
    .graph-grid,
    .about-layout,
    .feature-grid,
    .audience-grid,
    .strip-grid,
    .arch-notes,
    .compare-grid {
      grid-template-columns: 1fr;
    }

    .pain-grid {
      grid-template-columns: 1fr;
    }

    .value-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .mission-pillars {
      grid-template-columns: repeat(2, 1fr);
    }
  
    .feature-grid,
    .audience-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  
    .hero-metrics {
      grid-template-columns: 1fr;
    }
  
    .system-map {
      min-height: 760px;
    }
  
    .system-center {
      left: calc(50% - 90px);
      top: calc(50% - 90px);
    }
  
    .sb-1 { left: 30px; top: 48px; }
    .sb-2 { right: 30px; top: 48px; }
    .sb-3 { left: 30px; bottom: 54px; }
    .sb-4 { right: 30px; bottom: 54px; }
    .sb-5 { left: calc(50% - 105px); top: 230px; }
  
    .sl-1,
    .sl-2,
    .sl-3,
    .sl-4,
    .sl-5 {
      display: none;
    }
  }
  
  /* ── Pain-points (vivid) ── */
  .pain-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .pain-card {
    padding: 28px;
    background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.02));
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
  }

  .pain-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(239,68,68,0.06), transparent 50%);
    pointer-events: none;
  }

  .pain-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.18);
    font-size: 1.2rem;
    margin-bottom: 16px;
  }

  .pain-card h3 {
    margin-bottom: 10px;
    font-size: 1.15rem;
  }

  .pain-card p {
    color: var(--muted);
    font-size: 0.96rem;
    line-height: 1.72;
    margin: 0;
  }

  /* ── Long-term value ── */
  .value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 8px;
  }

  .value-card {
    padding: 28px;
    background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.02));
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
  }

  .value-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at bottom right, rgba(103,232,249,0.06), transparent 50%);
    pointer-events: none;
  }

  .value-num {
    font-size: 2.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, #67e8f9, #8b5cf6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin-bottom: 14px;
  }

  .value-card h3 {
    margin-bottom: 10px;
    font-size: 1.12rem;
  }

  .value-card p {
    color: var(--muted);
    font-size: 0.96rem;
    line-height: 1.72;
    margin: 0;
  }

  /* ── Mission banner ── */
  .mission-banner {
    padding: 48px;
    border-radius: var(--radius-xl);
    text-align: center;
    background:
      radial-gradient(ellipse at top center, rgba(124,58,237,0.14), transparent 50%),
      radial-gradient(ellipse at bottom center, rgba(103,232,249,0.1), transparent 50%),
      linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
  }

  .mission-banner .eyebrow {
    justify-content: center;
  }

  .mission-banner h2 {
    max-width: 16ch;
    margin: 0 auto;
  }

  .mission-banner .mission-text {
    max-width: 720px;
    margin: 20px auto 0;
    color: var(--muted);
    font-size: 1.08rem;
    line-height: 1.72;
  }

  .mission-pillars {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 32px;
  }

  .mission-pillar {
    padding: 20px 16px;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.07);
    text-align: center;
  }

  .mission-pillar-icon {
    font-size: 1.6rem;
    margin-bottom: 10px;
  }

  .mission-pillar h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0 0 6px;
    letter-spacing: -0.02em;
  }

  .mission-pillar p {
    font-size: 0.86rem;
    color: var(--muted);
    margin: 0;
    line-height: 1.55;
  }

  /* ── Comparison section ── */
  .compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  .compare-card {
    padding: 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .compare-card.compare-before {
    background: linear-gradient(180deg, rgba(239,68,68,0.04), rgba(255,255,255,0.015));
  }

  .compare-card.compare-after {
    background: linear-gradient(180deg, rgba(103,232,249,0.06), rgba(255,255,255,0.02));
    border-color: rgba(103,232,249,0.18);
  }

  .compare-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 18px;
    padding: 6px 12px;
    border-radius: 999px;
  }

  .compare-before .compare-label {
    color: #fca5a5;
    background: rgba(239,68,68,0.12);
    border: 1px solid rgba(239,68,68,0.2);
  }

  .compare-after .compare-label {
    color: var(--accent);
    background: rgba(103,232,249,0.1);
    border: 1px solid rgba(103,232,249,0.2);
  }

  .compare-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 14px;
  }

  .compare-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 0.96rem;
    color: var(--muted);
    line-height: 1.6;
  }

  .compare-list li span.cmp-icon {
    flex: 0 0 auto;
    width: 22px;
    height: 22px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 800;
    margin-top: 2px;
  }

  .compare-before .cmp-icon {
    background: rgba(239,68,68,0.15);
    color: #fca5a5;
  }

  .compare-after .cmp-icon {
    background: rgba(103,232,249,0.15);
    color: var(--accent);
  }

  /* ── Offer / CTA strong ── */
  .offer-section {
    padding: 88px 0;
  }

  .offer-card {
    padding: 48px;
    border-radius: var(--radius-xl);
    text-align: center;
    background:
      radial-gradient(ellipse at center, rgba(103,232,249,0.12), transparent 40%),
      linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
    border: 1px solid rgba(103,232,249,0.18);
    box-shadow: 0 40px 100px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.08);
    backdrop-filter: blur(20px);
  }

  .offer-card h2 {
    max-width: 14ch;
    margin: 0 auto;
  }

  .offer-card .offer-sub {
    max-width: 700px;
    margin: 18px auto 0;
    color: var(--muted);
    font-size: 1.06rem;
    line-height: 1.72;
  }

  .offer-features {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 28px;
  }

  .offer-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 999px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--muted);
  }

  .offer-tag .tag-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
  }

  .offer-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 32px;
  }

  .offer-note {
    margin-top: 20px;
    font-size: 0.88rem;
    color: var(--muted-2);
  }

  /* ── Footer ── */
  .site-footer {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 48px 0 36px;
  }

  .footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    flex-wrap: wrap;
  }

  .footer-brand p {
    color: var(--muted-2);
    font-size: 0.9rem;
    margin: 10px 0 0;
    max-width: 320px;
    line-height: 1.6;
  }

  .footer-links {
    display: flex;
    gap: 32px;
  }

  .footer-col h4 {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
    margin: 0 0 14px;
  }

  .footer-col a {
    display: block;
    font-size: 0.94rem;
    color: var(--muted-2);
    margin-bottom: 10px;
    transition: color 0.2s;
  }

  .footer-col a:hover {
    color: var(--text);
  }

  .footer-bottom {
    margin-top: 36px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.04);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
  }

  .footer-copy {
    font-size: 0.84rem;
    color: var(--muted-2);
  }

  .footer-social {
    display: flex;
    gap: 12px;
  }

  .footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.07);
    color: var(--muted);
    font-size: 0.9rem;
    transition: background 0.2s, color 0.2s;
  }

  .footer-social a:hover {
    background: rgba(103,232,249,0.1);
    color: var(--accent);
  }

  @media (max-width: 860px) {
    .nav-toggle {
      display: inline-block;
    }
  
    .site-nav {
      display: none;
      position: absolute;
      left: 20px;
      right: 20px;
      top: 76px;
      padding: 14px;
      border-radius: 20px;
      background: rgba(8, 15, 26, 0.96);
      border: 1px solid rgba(255,255,255,0.08);
      flex-direction: column;
      align-items: flex-start;
      gap: 14px;
    }
  
    .site-nav.open {
      display: flex;
    }
  
    .nav-wrap .btn-small {
      display: none;
    }
  
    .brand {
      min-width: auto;
    }
  
    .feature-grid,
    .audience-grid {
      grid-template-columns: 1fr;
    }
  
    h1 {
      max-width: none;
    }
  
    .visual-card,
    .graph-card,
    .system-map {
      min-height: auto;
    }
  
    .hub-diagram,
    .graph-canvas {
      min-height: 340px;
    }
  
    .system-map {
      display: grid;
      gap: 14px;
      padding: 18px;
    }
  
    .system-center,
    .system-block,
    .graph-node,
    .hub-center,
    .hub-node {
      position: static;
      width: auto;
      min-height: 56px;
    }
  
    .system-line,
    .graph-link,
    .hub-line {
      display: none;
    }
  
    .hub-diagram,
    .graph-canvas {
      display: grid;
      gap: 12px;
      padding: 16px;
    }
  
    .hub-center,
    .graph-node {
      border-radius: 18px;
    }

    .pain-grid {
      grid-template-columns: 1fr;
    }

    .value-grid {
      grid-template-columns: 1fr;
    }

    .mission-pillars {
      grid-template-columns: repeat(2, 1fr);
    }

    .compare-grid {
      grid-template-columns: 1fr;
    }

    .mission-banner,
    .offer-card {
      padding: 28px;
    }

    .footer-inner {
      flex-direction: column;
      gap: 28px;
    }

    .footer-links {
      flex-direction: column;
      gap: 24px;
    }

    .footer-bottom {
      flex-direction: column;
      text-align: center;
    }
  }