:root {
    --sx-bg: #050816;
    --sx-bg-alt: #0b1230;
    --sx-primary: #3478ff;
    --sx-primary-soft: rgba(52, 120, 255, 0.15);
    --sx-accent: #ff8a34;
    --sx-text: #f9fbff;
    --sx-text-muted: #a9b3d8;
    --sx-border-subtle: rgba(255, 255, 255, 0.1);
    --sx-radius-lg: 24px;
    --sx-radius-md: 18px;
    --sx-radius-pill: 999px;
    --sx-shadow-soft: 0 20px 45px rgba(0, 0, 0, 0.55);
    --sx-shadow-card: 0 16px 36px rgba(5, 8, 22, 0.75);
    --sx-font-main: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
      "Segoe UI", sans-serif;
  }
  
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  
  html,
  body {
    margin: 0;
    padding: 0;
    font-family: var(--sx-font-main);
    background: radial-gradient(circle at top left, #4834ff 0, #050816 45%, #000 100%);
    color: var(--sx-text);
  }
  
  body {
    min-height: 100vh;
  }
  
  img {
    max-width: 100%;
    display: block;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  a:hover {
    text-decoration: underline;
  }
  
  /* Layout */
  
  .sx-container {
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 20px;
  }
  
  .sx-section {
    padding: 80px 0;
  }
  
  .sx-section-alt {
    background: linear-gradient(135deg, rgba(12, 18, 56, 0.9), rgba(5, 8, 22, 0.95));
  }
  
  .sx-section-split {
    display: grid;
    gap: 40px;
  }
  
  .sx-section-text {
    max-width: 560px;
  }
  
  /* Header */
  
  .sx-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: linear-gradient(90deg, rgba(5, 8, 22, 0.96), rgba(12, 18, 56, 0.96));
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  
  .sx-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
  }
  
  /* Logo */
  
  .sx-logo {
    display: inline-flex;
    align-items: baseline;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.1em;
  }
  
  .sx-logo-main {
    color: #ffffff;
  }
  
  .sx-logo-x {
    margin-left: 6px;
    background: linear-gradient(135deg, #ff8a34, #ffd234, #00e38f, #2f7bff);
    -webkit-background-clip: text;
    color: transparent;
  }
  
  /* Nav */
  
  .sx-nav {
    position: relative;
  }
  
  .sx-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 26px;
    cursor: pointer;
  }
  
  .sx-nav-list {
    list-style: none;
    display: flex;
    gap: 20px;
    align-items: center;
    margin: 0;
    padding: 0;
  }
  
  .sx-nav-list a {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--sx-text-muted);
    padding: 6px 2px;
    position: relative;
  }
  
  .sx-nav-list a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--sx-primary), var(--sx-accent));
    transition: width 0.2s ease;
  }
  
  .sx-nav-list a:hover::after,
  .sx-nav-list a.is-active::after {
    width: 100%;
  }
  
  .sx-nav-cta {
    padding: 8px 18px;
    border-radius: var(--sx-radius-pill);
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.14), transparent);
  }
  
  .sx-nav-cta:hover {
    text-decoration: none;
  }
  
  /* Hero */
  
  .sx-hero {
    padding: 90px 0 80px;
  }
  
  .sx-hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
  }
  
  .sx-kicker {
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-size: 11px;
    color: var(--sx-text-muted);
    margin-bottom: 10px;
  }
  
  .sx-hero-copy h1 {
    font-size: clamp(38px, 5vw, 48px);
    margin: 0 0 16px;
  }
  
  .sx-hero-text {
    font-size: 16px;
    color: var(--sx-text-muted);
    max-width: 560px;
  }
  
  .sx-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
  }
  
  .sx-hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
    font-size: 12px;
    color: var(--sx-text-muted);
  }
  
  .sx-hero-badges span {
    border-radius: var(--sx-radius-pill);
    padding: 6px 12px;
    background: rgba(6, 16, 60, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.06);
  }
  
  .sx-hero-panel {
    display: flex;
    justify-content: flex-end;
  }
  
  .sx-hero-card {
    background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.08), #050816);
    border-radius: var(--sx-radius-lg);
    padding: 24px 24px 20px;
    box-shadow: var(--sx-shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.08);
  }
  
  .sx-hero-card h2 {
    margin-top: 0;
    font-size: 20px;
  }
  
  .sx-hero-list {
    list-style: none;
    padding: 0;
    margin: 10px 0 14px;
    font-size: 14px;
  }
  
  .sx-hero-list li {
    margin-bottom: 6px;
    position: relative;
    padding-left: 16px;
  }
  
  .sx-hero-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--sx-accent);
  }
  
  .sx-hero-note {
    font-size: 12px;
    color: var(--sx-text-muted);
  }
  
  /* Buttons */
  
  .sx-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: var(--sx-radius-pill);
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
  }
  
  .sx-btn-primary {
    background: linear-gradient(135deg, var(--sx-primary), var(--sx-accent));
    color: #ffffff;
    box-shadow: var(--sx-shadow-soft);
  }
  
  .sx-btn-primary:hover {
    filter: brightness(1.07);
  }
  
  .sx-btn-ghost {
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: transparent;
    color: var(--sx-text);
  }
  
  /* Cards / grids */
  
  .sx-card {
    background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.06), #050816);
    border-radius: var(--sx-radius-lg);
    padding: 20px 22px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    box-shadow: var(--sx-shadow-card);
  }
  
  .sx-hover-raise {
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  }
  
  .sx-hover-raise:hover {
    transform: translateY(-4px);
    box-shadow: 0 22px 50px rgba(0, 0, 0, 0.8);
    border-color: rgba(255, 255, 255, 0.18);
  }
  
  .sx-grid-4 {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  
  .sx-grid-3 {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  
  .sx-grid-2 {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  
  /* Lists */
  
  .sx-bullets {
    margin: 12px 0 0;
    padding-left: 18px;
    color: var(--sx-text-muted);
    font-size: 14px;
  }
  
  .sx-checklist {
    margin: 12px 0 0;
    padding: 0;
    list-style: none;
    font-size: 14px;
    color: var(--sx-text-muted);
  }
  
  .sx-checklist li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
  }
  
  .sx-checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    font-size: 12px;
    color: var(--sx-accent);
  }
  
  /* Challenges */
  
  .sx-challenges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
  }
  
  .sx-challenge {
    border-radius: var(--sx-radius-pill);
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(5, 8, 22, 0.85);
    color: var(--sx-text-muted);
    padding: 8px 12px;
    font-size: 12px;
    cursor: pointer;
  }
  
  .sx-challenge.active {
    background: linear-gradient(135deg, var(--sx-primary), var(--sx-accent));
    color: #fff;
    border-color: transparent;
  }
  
  .sx-challenge-panels {
    position: relative;
  }
  
  .sx-challenge-panel {
    display: none;
    border-radius: var(--sx-radius-lg);
    padding: 18px 20px;
    background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.1), #050816);
    border: 1px solid rgba(255, 255, 255, 0.08);
  }
  
  .sx-challenge-panel.active {
    display: block;
  }
  
  /* Tabs */
  
  .sx-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
  }
  
  .sx-tab {
    border-radius: var(--sx-radius-pill);
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(5, 8, 22, 0.9);
    color: var(--sx-text-muted);
    padding: 8px 14px;
    font-size: 13px;
    cursor: pointer;
  }
  
  .sx-tab.active {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, var(--sx-primary), var(--sx-accent));
  }
  
  .sx-tab-panels {
    border-radius: var(--sx-radius-lg);
    background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.06), #050816);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 22px;
    box-shadow: var(--sx-shadow-card);
  }
  
  .sx-tab-panel {
    display: none;
  }
  
  .sx-tab-panel.active {
    display: block;
  }
  
  .sx-panel-layout {
    display: grid;
    gap: 24px;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }
  
  .sx-panel-aside {
    background: rgba(5, 8, 22, 0.9);
    border-radius: var(--sx-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 14px 14px 12px;
    font-size: 14px;
  }
  
  .sx-link-arrow {
    display: inline-flex;
    margin-top: 10px;
    font-size: 13px;
    color: var(--sx-primary);
  }
  
  /* Steps */
  
  .sx-steps {
    list-style: none;
    padding: 0;
    margin: 10px 0 0;
    counter-reset: sx-step;
    color: var(--sx-text-muted);
    font-size: 14px;
  }
  
  .sx-steps li {
    counter-increment: sx-step;
    position: relative;
    padding-left: 28px;
    margin-bottom: 6px;
  }
  
  .sx-steps li::before {
    content: counter(sx-step) ".";
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 600;
    color: var(--sx-accent);
  }
  
  /* Market insights */
  
  .sx-stat-highlight {
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--sx-radius-md);
    border: 1px dashed rgba(255, 255, 255, 0.18);
  }
  
  /* Team */
  
  .sx-team-highlight {
    margin-top: 40px;
  }
  
  .sx-mini-card {
    background: rgba(5, 8, 22, 0.9);
    border-radius: var(--sx-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 14px 16px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.6);
  }
  
  .sx-mini-card h4 {
    margin: 0 0 8px;
    font-size: 18px;
  }
  
  /* Process */
  
  .sx-process {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
  
  .sx-process-step {
    background: rgba(5, 8, 22, 0.9);
    border-radius: var(--sx-radius-md);
    padding: 16px 16px 14px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
  }
  
  .sx-step-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--sx-primary), var(--sx-accent));
    font-size: 13px;
    margin-bottom: 8px;
  }
  
  /* Contact CTA */
  
  .sx-contact-cta {
    background: radial-gradient(circle at top left, #ff8a34, #ff2f5f, #050816 70%);
  }
  
  .sx-contact-cta-inner {
    display: grid;
    gap: 24px;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.3fr);
    align-items: center;
  }
  
  /* Forms */
  
  .sx-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 14px;
  }
  
  .sx-form label {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  
  .sx-form-row {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  
  .sx-form input,
  .sx-form select,
  .sx-form textarea {
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(5, 8, 22, 0.9);
    padding: 9px 11px;
    color: var(--sx-text);
    font-family: inherit;
    font-size: 14px;
  }
  
  .sx-form input::placeholder,
  .sx-form textarea::placeholder {
    color: var(--sx-text-muted);
  }
  
  .sx-form textarea {
    resize: vertical;
  }
  
  .sx-form-success {
    min-height: 18px;
    font-size: 13px;
    color: #a4ffb3;
    margin: 4px 0 0;
  }
  
  .sx-fieldset {
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px 12px;
  }
  
  .sx-fieldset legend {
    font-size: 13px;
    padding: 0 4px;
  }
  
  /* Page layout */
  
  .sx-page-main {
    padding-bottom: 80px;
  }
  
  .sx-page-hero {
    padding: 70px 0 30px;
  }
  
  .sx-page-lead {
    max-width: 620px;
    color: var(--sx-text-muted);
  }
  
  /* Blog */
  
  .sx-blog-layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 24px;
  }
  
  .sx-blog-sidebar {
    position: sticky;
    top: 90px;
    align-self: flex-start;
  }
  
  .sx-sidebar-title {
    margin-top: 0;
    font-size: 16px;
  }
  
  .sx-tag-filter button {
    display: block;
    width: 100%;
    text-align: left;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(5, 8, 22, 0.9);
    color: var(--sx-text-muted);
    padding: 8px 11px;
    font-size: 13px;
    margin-bottom: 8px;
    cursor: pointer;
  }
  
  .sx-tag-filter button.active {
    background: linear-gradient(135deg, var(--sx-primary), var(--sx-accent));
    border-color: transparent;
    color: #fff;
  }
  
  .sx-blog-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
  }
  
  .sx-blog-card {
    background: rgba(5, 8, 22, 0.9);
    border-radius: var(--sx-radius-md);
    padding: 14px 14px 12px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    cursor: pointer;
    transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
  }
  
  .sx-blog-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.75);
    border-color: rgba(255, 255, 255, 0.3);
  }
  
  .sx-blog-card-title {
    font-size: 16px;
    margin-top: 0;
  }
  
  .sx-blog-card-meta {
    font-size: 12px;
    color: var(--sx-text-muted);
    margin-bottom: 4px;
  }
  
  .sx-blog-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
  }
  
  .sx-tag-pill {
    border-radius: 999px;
    padding: 4px 9px;
    font-size: 11px;
    border: 1px solid rgba(255, 255, 255, 0.22);
  }
  
  .sx-blog-detail {
    margin-top: 26px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }
  
  .sx-blog-detail-title {
    font-size: 24px;
    margin-bottom: 4px;
  }
  
  .sx-blog-detail-body p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--sx-text-muted);
  }
  
  /* Contact */
  
  .sx-contact-info {
    display: flex;
    flex-direction: column;
    gap: 18px;
  }
  
  .sx-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 14px;
  }
  
  .sx-contact-list li {
    margin-bottom: 6px;
  }
  
  .sx-contact-note {
    margin-top: 8px;
  }
  
  /* Footer */
  
  .sx-footer {
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    background: radial-gradient(circle at top, rgba(9, 16, 40, 0.98), #02040a);
  }
  
  .sx-footer-inner {
    display: flex;
    gap: 40px;
    justify-content: space-between;
    padding: 26px 0 12px;
  }
  
  .sx-footer-text {
    max-width: 360px;
    font-size: 13px;
    color: var(--sx-text-muted);
  }
  
  .sx-footer-cols {
    display: flex;
    gap: 40px;
  }
  
  .sx-footer-cols h4 {
    margin-top: 0;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--sx-text-muted);
  }
  
  .sx-footer-cols ul {
    list-style: none;
    padding: 0;
    margin: 8px 0 0;
    font-size: 13px;
  }
  
  .sx-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 10px 0;
    font-size: 11px;
    color: var(--sx-text-muted);
    text-align: center;
  }
  
  /* Utilities */
  
  .sx-section-header-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
  }
  
  .sx-section-card {
    background: rgba(5, 8, 22, 0.92);
    border-radius: var(--sx-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.16);
    padding: 18px 20px;
    box-shadow: var(--sx-shadow-soft);
  }
  
  /* Responsive */
  
  @media (max-width: 960px) {
    .sx-hero-inner,
    .sx-contact-cta-inner,
    .sx-panel-layout,
    .sx-grid-4,
    .sx-grid-3,
    .sx-grid-2,
    .sx-blog-layout,
    .sx-process {
      grid-template-columns: minmax(0, 1fr);
    }
  
    .sx-footer-inner {
      flex-direction: column;
    }
  
    .sx-footer-cols {
      justify-content: space-between;
    }
  
    .sx-blog-sidebar {
      position: static;
    }
  }
  
  @media (max-width: 720px) {
    .sx-header-inner {
      padding: 10px 0;
    }
  
    .sx-nav-toggle {
      display: block;
    }
  
    .sx-nav-list {
      position: absolute;
      right: 0;
      top: 48px;
      flex-direction: column;
      background: rgba(5, 8, 22, 0.98);
      padding: 10px 14px 12px;
      border-radius: 18px;
      box-shadow: var(--sx-shadow-soft);
      min-width: 190px;
      display: none;
    }
  
    .sx-nav-list.is-open {
      display: flex;
    }
  
    .sx-hero {
      padding-top: 80px;
    }
  
    .sx-section {
      padding: 60px 0;
    }
  
    .sx-form-row {
      grid-template-columns: minmax(0, 1fr);
    }
  
    .sx-footer-inner {
      gap: 16px;
    }
  }