:root {
    --bg: #0a0d12;
    --bg-soft: #0f141c;
    --panel: rgba(255, 255, 255, 0.05);
    --panel-strong: rgba(255, 255, 255, 0.08);
    --text: #f4f7fb;
    --muted: #9eacbe;
    --line: rgba(255, 255, 255, 0.08);
    --accent: #8ab4ff;
    --accent-2: #7af0d1;
    --radius: 22px;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  }
  
  * {
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
      radial-gradient(circle at 20% 0%, rgba(138, 180, 255, 0.12), transparent 30%),
      radial-gradient(circle at 80% 20%, rgba(122, 240, 209, 0.10), transparent 25%),
      var(--bg);
    color: var(--text);
    line-height: 1.5;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  .container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
  }
  
  .progress {
    position: fixed;
    inset: 0 auto auto 0;
    height: 3px;
    width: 100%;
    transform-origin: 0 50%;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    z-index: 1000;
    transform: scaleX(0);
  }
  
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(18px);
    background: rgba(10, 13, 18, 0.55);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  
  .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
  }
  
  .brand {
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.24em;
  }
  
  nav {
    display: flex;
    gap: 24px;
  }
  
  nav a {
    color: var(--muted);
    transition: color 0.2s ease;
  }
  
  nav a:hover {
    color: var(--text);
  }
  
  .hero {
    min-height: 92vh;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
    padding: 70px 0 40px;
  }
  
  .eyebrow {
    margin: 0 0 16px;
    color: var(--accent-2);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.78rem;
  }
  
  .hero-title {
    margin: 0;
    font-size: clamp(3rem, 6vw, 6.2rem);
    line-height: 0.95;
    letter-spacing: -0.05em;
  }
  
  .hero-title span {
    display: block;
    color: #d9e5ff;
  }
  
  .hero-text {
    max-width: 640px;
    font-size: 1.08rem;
    color: var(--muted);
    margin: 22px 0 30px;
  }
  
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }
  
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 18px;
    border-radius: 999px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: border-color 0.2s ease, background 0.2s ease;
  }
  
  .btn-primary {
    background: linear-gradient(135deg, var(--accent), #c5d8ff);
    color: #09111d;
  }
  
  .btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
    color: var(--text);
  }
  
  .hero-visual {
    position: relative;
    min-height: 520px;
  }
  
  .grid-panel {
    position: relative;
    height: 100%;
    min-height: 520px;
    border-radius: 32px;
    border: 1px solid var(--line);
    background:
      linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)),
      rgba(255,255,255,0.02);
    overflow: hidden;
    box-shadow: var(--shadow);
  }
  
  .grid-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(255,255,255,0.08);
  }
  
  .grid-line:nth-child(1) { top: 20%; }
  .grid-line:nth-child(2) { top: 40%; }
  .grid-line:nth-child(3) { top: 60%; }
  .grid-line:nth-child(4) { top: 80%; }
  
  .grid-line.vertical {
    top: 0;
    bottom: 0;
    width: 1px;
    height: auto;
  }
  
  .grid-line.vertical:nth-child(5) { left: 20%; }
  .grid-line.vertical:nth-child(6) { left: 40%; }
  .grid-line.vertical:nth-child(7) { left: 60%; }
  .grid-line.vertical:nth-child(8) { left: 80%; }
  
  .center-card {
    position: absolute;
    inset: 50% auto auto 50%;
    transform: translate(-50%, -50%);
    width: min(320px, calc(100% - 48px));
    padding: 26px;
    border-radius: 24px;
    background: rgba(9, 14, 22, 0.8);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  }
  
  .center-card h3 {
    margin: 8px 0 8px;
    font-size: 1.45rem;
  }
  
  .center-card p {
    margin: 0;
    color: var(--muted);
  }
  
  .mini-label {
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-2);
  }
  
  .orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(20px);
    opacity: 0.65;
    pointer-events: none;
  }
  
  .orb-1 {
    width: 160px;
    height: 160px;
    background: rgba(138, 180, 255, 0.26);
    top: -20px;
    right: 20px;
  }
  
  .orb-2 {
    width: 210px;
    height: 210px;
    background: rgba(122, 240, 209, 0.18);
    bottom: 20px;
    left: -10px;
  }
  
  .section {
    padding: 110px 0;
  }
  
  .section-dark {
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.03));
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }
  
  .section-head {
    margin-bottom: 34px;
  }
  
  .section-head h2 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1;
    letter-spacing: -0.04em;
  }
  
  .cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
  
  .card {
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: var(--panel);
    box-shadow: var(--shadow);
  }
  
  .capability .icon {
    display: inline-flex;
    margin-bottom: 18px;
    color: var(--accent-2);
    font-size: 0.92rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }
  
  .capability h3 {
    margin: 0 0 10px;
    font-size: 1.25rem;
  }
  
  .capability p,
  .capability li,
  .stack-item span,
  .field label {
    color: var(--muted);
  }
  
  .capability ul {
    padding-left: 18px;
    margin: 16px 0 0;
  }
  
  .two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: start;
  }
  
  .stack {
    display: grid;
    gap: 16px;
  }
  
  .stack-item {
    padding: 20px 22px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: var(--panel);
  }
  
  .stack-item strong {
    display: block;
    margin-top: 6px;
    font-size: 1.05rem;
  }
  
  .stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
  
  .stat {
    position: relative;
    overflow: hidden;
  }
  
  .stat-number,
  .stat-suffix {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
  }
  
  .stat p {
    margin: 14px 0 0;
    color: var(--muted);
  }
  
  .contact-form {
    display: grid;
    gap: 18px;
    max-width: 760px;
  }
  
  .field {
    display: grid;
    gap: 10px;
  }
  
  input,
  select,
  textarea {
    width: 100%;
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.03);
    color: var(--text);
    border-radius: 16px;
    padding: 14px 16px;
    outline: none;
  }
  
  input:focus,
  select:focus,
  textarea:focus {
    border-color: rgba(138, 180, 255, 0.4);
    box-shadow: 0 0 0 4px rgba(138, 180, 255, 0.08);
  }
  
  .reveal,
  .reveal-up,
  .reveal-right,
  .reveal-scale,
  .pop-in {
    opacity: 0;
  }
  
  @media (max-width: 980px) {
    .hero,
    .two-col,
    .cards,
    .stats {
      grid-template-columns: 1fr;
    }
  
    .hero {
      min-height: auto;
      padding-top: 40px;
    }
  
    nav {
      display: none;
    }
  
    .section {
      padding: 80px 0;
    }
  }