:root {
    --orange: #ED5A1E;
    --orange-deep: #C8460E;
    --orange-soft: #FBE7DA;
    --bg: #F8F6F2;
    --bg-card: #FFFFFF;
    --ink: #0E0E0C;
    --ink-2: #2A2A26;
    --muted: #7A7872;
    --line: #E5E2DA;
    --line-strong: #CFCBC0;
    --dark: #14130F;
    --dark-2: #1C1B17;
    --dark-line: #2D2C27;
    --dark-muted: #9A9890;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }
  a { color: inherit; text-decoration: none; }
  button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
  }

  /* ---------- NAV ---------- */
  .nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(248, 246, 242, 0.85);
    backdrop-filter: saturate(140%) blur(14px);
    -webkit-backdrop-filter: saturate(140%) blur(14px);
    border-bottom: 1px solid var(--line);
  }
  .nav-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
  }
  .logo {
    display: inline-flex;
    align-items: center;
  }
  .logo img {
    display: block;
    height: 44px;
    width: auto;
  }
  .nav-links {
    display: flex;
    gap: 36px;
    font-size: 14px;
    color: var(--ink-2);
  }
  .nav-links a {
    position: relative;
    padding: 6px 0;
    transition: color 0.15s;
  }
  .nav-links a:hover { color: var(--orange); }
  .nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
  }
  .lang-toggle {
    display: flex;
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    padding: 3px;
    background: var(--bg-card);
  }
  .lang-toggle button {
    padding: 4px 10px;
    border-radius: 999px;
    color: var(--muted);
    transition: all 0.15s;
  }
  .lang-toggle button.active {
    background: var(--ink);
    color: #fff;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 999px;
    transition: all 0.18s;
    white-space: nowrap;
  }
  .btn-primary {
    background: var(--orange);
    color: #fff;
  }
  .btn-primary:hover { background: var(--orange-deep); transform: translateY(-1px); }
  .btn-ghost {
    color: var(--ink);
    border: 1px solid var(--line-strong);
    background: transparent;
  }
  .btn-ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
  .btn .arrow { transition: transform 0.18s; }
  .btn:hover .arrow { transform: translateX(2px); }

  /* ---------- HERO ---------- */
  .hero {
    padding: 120px 0 140px;
    position: relative;
    overflow: hidden;
  }
  .hero-grid {
    display: block;
    max-width: 920px;
    margin: 0 auto;
    text-align: center;
  }
  .hero-text { max-width: 920px; margin: 0 auto; }
  .hero-sub { max-width: 640px; margin: 0 auto 36px; }
  h1.headline { max-width: 16ch; margin-left: auto; margin-right: auto; }
  .hero .eyebrow { justify-content: center; }
  .hero-cta { justify-content: center; }
  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--muted);
    text-transform: uppercase;
    margin-bottom: 24px;
  }
  .eyebrow::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--orange);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--orange-soft);
    animation: blink 2.4s infinite;
  }
  @keyframes blink {
    0%, 60%, 100% { opacity: 1; }
    70%, 80% { opacity: 0.3; }
  }
  h1.headline {
    font-size: clamp(44px, 5.6vw, 80px);
    line-height: 0.98;
    letter-spacing: -0.035em;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 28px;
    text-wrap: balance;
  }
  h1.headline em {
    font-style: normal;
    color: var(--orange);
  }
  .hero-sub {
    font-size: 18px;
    line-height: 1.55;
    color: var(--ink-2);
    max-width: 520px;
    margin-bottom: 36px;
    text-wrap: pretty;
  }
  .hero-cta {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
  }
  .hero-trust {
    margin-top: 44px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--muted);
    text-transform: uppercase;
  }
  .hero-trust > span:not(.dot) { white-space: nowrap; }
  .hero-trust .dot { width: 4px; height: 4px; background: var(--line-strong); border-radius: 50%; flex-shrink: 0; }

  /* ---------- SCANNER VIZ ---------- */
  .viz {
    position: relative;
    width: 100%;
    max-width: 560px;
    margin-left: auto;
  }
  .scanner {
    position: relative;
    background: var(--dark);
    border: 1px solid var(--dark-line);
    border-radius: 14px;
    overflow: hidden;
    color: #E4E1DA;
    font-family: 'Geist Mono', monospace;
    box-shadow: 0 30px 60px -30px rgba(20, 18, 12, 0.35),
                0 0 0 1px rgba(20, 18, 12, 0.04);
  }
  .scn-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--dark-line);
    background: linear-gradient(180deg, #1B1A16, #14130F);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }
  .scn-head .left { display: flex; align-items: center; gap: 10px; color: #fff; }
  .scn-head .live-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--orange);
    box-shadow: 0 0 0 4px rgba(237, 90, 30, 0.18);
    animation: blink 2s infinite;
  }
  .scn-head .right { color: var(--dark-muted); font-size: 10.5px; letter-spacing: 0.1em; }
  .scn-head .right b { color: #fff; font-weight: 500; font-feature-settings: 'tnum'; }

  .scn-body {
    position: relative;
    padding: 0;
    overflow: hidden;
    min-height: 360px;
    background: #100F0C;
  }
  .scn-map { display: block; width: 100%; height: 360px; }

  .map-dot { fill: #2E2D27; }
  .map-dot.active { fill: #5C5A52; }
  .map-dot.bright { fill: #8A887E; }

  .hit-ring {
    fill: none;
    stroke: #ED5A1E;
    stroke-width: 1.2;
    transform-box: fill-box;
    transform-origin: center;
    animation: hitPulse 2.6s ease-out infinite;
  }
  .hit-ring.d2 { animation-delay: 0.7s; }
  .hit-ring.d3 { animation-delay: 1.4s; }
  .hit-ring.d4 { animation-delay: 2.1s; }
  @keyframes hitPulse {
    0% { r: 4; opacity: 0.9; }
    100% { r: 22; opacity: 0; }
  }
  .hit-core { fill: #ED5A1E; }

  .trace {
    stroke: rgba(237, 90, 30, 0.35);
    stroke-width: 0.8;
    stroke-dasharray: 2 3;
    fill: none;
  }
  /* sweeping scan line */
  .scn-body::before {
    content: '';
    position: absolute;
    left: 0; right: 0;
    height: 56px;
    pointer-events: none;
    background: linear-gradient(180deg,
      rgba(237, 90, 30, 0) 0%,
      rgba(237, 90, 30, 0.06) 40%,
      rgba(237, 90, 30, 0.18) 50%,
      rgba(237, 90, 30, 0.06) 60%,
      rgba(237, 90, 30, 0) 100%);
    animation: scanSweep 4.5s cubic-bezier(.5,0,.5,1) infinite;
    z-index: 1;
  }
  .scn-body::after {
    content: '';
    position: absolute;
    left: 0; right: 0;
    height: 1px;
    background: var(--orange);
    box-shadow: 0 0 12px var(--orange), 0 0 4px var(--orange);
    animation: scanLine 4.5s cubic-bezier(.5,0,.5,1) infinite;
    z-index: 2;
    opacity: 0.9;
  }
  @keyframes scanSweep {
    0% { top: -56px; }
    100% { top: 100%; }
  }
  @keyframes scanLine {
    0% { top: 0; }
    100% { top: 100%; }
  }

  .scn-row {
    display: grid;
    grid-template-columns: 18px 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 9px 18px;
    font-size: 12px;
    color: var(--dark-muted);
    border-bottom: 1px solid rgba(45, 44, 39, 0.5);
    position: relative;
    z-index: 0;
  }
  .scn-row:last-child { border-bottom: 0; }
  .scn-row .idx {
    font-size: 9.5px;
    color: #555248;
    letter-spacing: 0.05em;
    font-feature-settings: 'tnum';
  }
  .scn-row .url {
    color: #C8C5BB;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 11.5px;
  }
  .scn-row .url .dim { color: #6B6960; }
  .scn-row .url b { font-weight: 500; color: #fff; }
  .scn-row .pill {
    font-size: 9.5px;
    letter-spacing: 0.12em;
    padding: 3px 8px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 500;
    white-space: nowrap;
  }
  .pill.scanning {
    color: #8AB4E6;
    border-color: rgba(138, 180, 230, 0.25);
    background: rgba(74, 141, 218, 0.08);
  }
  .pill.detected {
    color: #FFB58A;
    border-color: rgba(237, 90, 30, 0.4);
    background: rgba(237, 90, 30, 0.12);
  }
  .pill.removed {
    color: #7FCCA6;
    border-color: rgba(46, 143, 92, 0.3);
    background: rgba(46, 143, 92, 0.1);
  }
  .scn-row.hit { background: rgba(237, 90, 30, 0.04); }
  .scn-row.hit .idx { color: var(--orange); }

  /* detection ping in margin */
  .scn-row .ping {
    position: absolute;
    left: 4px; top: 50%;
    width: 4px; height: 8px; margin-top: -2px;
    background: var(--orange);
    border-radius: 50%;
    opacity: 0;
  }
  .scn-row.hit .ping {
    opacity: 1;
    animation: pingPulse 1.6s ease-out infinite;
  }
  .scn-row.hit:nth-of-type(2) .ping { animation-delay: 0.4s; }
  .scn-row.hit:nth-of-type(3) .ping { animation-delay: 0.8s; }
  @keyframes pingPulse {
    0% { box-shadow: 0 0 0 0 rgba(237, 90, 30, 0.5); }
    100% { box-shadow: 0 0 0 8px rgba(237, 90, 30, 0); }
  }

  .scn-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-top: 1px solid var(--dark-line);
    background: #14130F;
    font-size: 10.5px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--dark-muted);
  }
  .scn-foot .throughput { color: #fff; font-feature-settings: 'tnum'; }
  .scn-foot .bar {
    flex: 1;
    margin: 0 16px;
    height: 2px;
    background: var(--dark-line);
    border-radius: 2px;
    overflow: hidden;
  }
  .scn-foot .bar i {
    display: block;
    height: 100%;
    width: 30%;
    background: linear-gradient(90deg, transparent, var(--orange), transparent);
    animation: barScan 3s linear infinite;
  }
  @keyframes barScan {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(400%); }
  }

  /* floating callouts */
  .viz-label {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px 12px;
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.02em;
    color: var(--ink-2);
    box-shadow: 0 14px 30px -14px rgba(20, 18, 12, 0.18);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    z-index: 3;
  }
  .viz-label .swatch { width: 8px; height: 8px; border-radius: 2px; }
  .viz-label .swatch.detect { background: var(--orange); }
  .viz-label .swatch.removed { background: #2E8F5C; }
  .viz-label.l-top { top: -14px; right: 24px; }
  .viz-label.l-bottom { bottom: -16px; left: 24px; }

  /* ---------- STATS STRIP ---------- */
  .stats {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--bg-card);
  }
  .stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }
  .stat {
    padding: 36px 28px;
    border-right: 1px solid var(--line);
  }
  .stat:last-child { border-right: 0; }
  .stat-num {
    font-size: 44px;
    line-height: 1;
    letter-spacing: -0.04em;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--ink);
    font-feature-settings: 'tnum';
  }
  .stat-num .unit {
    font-size: 18px;
    color: var(--muted);
    font-weight: 400;
    letter-spacing: 0;
    margin-left: 4px;
  }
  .stat-num .accent { color: var(--orange); }
  .stat-label {
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
  }

  /* ---------- SECTIONS ---------- */
  .section { padding: 120px 0; }
  .section-head {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 48px;
    margin-bottom: 64px;
    align-items: end;
  }
  .section-head h2 {
    font-size: clamp(34px, 4vw, 56px);
    line-height: 1.02;
    letter-spacing: -0.03em;
    font-weight: 600;
    text-wrap: balance;
  }
  .section-head .lede {
    font-size: 17px;
    color: var(--ink-2);
    max-width: 520px;
    line-height: 1.55;
  }

  /* PROCESS PIPELINE */
  .pipeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
    border-top: 1px solid var(--line);
  }
  .step {
    padding: 32px 28px 36px 0;
    border-right: 1px solid var(--line);
    position: relative;
  }
  .step:last-child { border-right: 0; padding-right: 0; }
  .step + .step { padding-left: 28px; }
  .step:first-child { padding-left: 0; }
  .step-num {
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    color: var(--orange);
    letter-spacing: 0.1em;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .step-num::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--orange), transparent);
  }
  .step h3 {
    font-size: 22px;
    line-height: 1.15;
    letter-spacing: -0.02em;
    font-weight: 600;
    margin-bottom: 12px;
  }
  .step p {
    font-size: 14.5px;
    line-height: 1.55;
    color: var(--muted);
  }
  .step .marker {
    position: absolute;
    top: -7px;
    left: 0;
    width: 13px;
    height: 13px;
    background: var(--bg);
    border: 1px solid var(--line-strong);
    border-radius: 50%;
  }
  .step:first-child .marker { background: var(--orange); border-color: var(--orange); }

  /* CAPABILITIES — dark section */
  .platform {
    background: var(--dark);
    color: #F3F1EA;
  }
  .platform .section-head h2 { color: #fff; }
  .platform .section-head .lede { color: var(--dark-muted); }
  .platform .eyebrow { color: var(--dark-muted); }
  .cap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--dark-line);
    border: 1px solid var(--dark-line);
  }
  .cap {
    background: var(--dark);
    padding: 36px 32px 40px;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: background 0.2s;
  }
  .cap:hover { background: var(--dark-2); }
  .cap-icon {
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    color: var(--orange);
    letter-spacing: 0.1em;
  }
  .cap h3 {
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: -0.02em;
    font-weight: 500;
    margin: 28px 0 8px;
    color: #fff;
  }
  .cap p {
    font-size: 14px;
    color: var(--dark-muted);
    line-height: 1.55;
  }
  .cap .big {
    font-size: 36px;
    letter-spacing: -0.04em;
    font-weight: 500;
    color: #fff;
    font-feature-settings: 'tnum';
    margin: 28px 0 8px;
  }
  .cap .big .u { color: var(--dark-muted); font-size: 16px; margin-left: 2px; }
  .cap .big .accent { color: var(--orange); }

  /* CONTACT BLOCK */
  .contact {
    padding: 120px 0 80px;
  }
  .contact-head h2 {
    font-size: clamp(40px, 5vw, 72px);
    line-height: 1;
    letter-spacing: -0.035em;
    font-weight: 600;
    margin-bottom: 24px;
    text-wrap: balance;
    max-width: 900px;
  }
  .contact-head h2 em {
    font-style: normal;
    color: var(--orange);
  }
  .contact-head .lede {
    font-size: 18px;
    color: var(--ink-2);
    max-width: 560px;
    margin-bottom: 64px;
  }
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .contact-card {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 32px 32px 28px;
    transition: border-color 0.2s, transform 0.2s;
  }
  .contact-card:hover { border-color: var(--orange); transform: translateY(-2px); }
  .contact-card .kind {
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--muted);
    text-transform: uppercase;
    margin-bottom: 32px;
  }
  .contact-card h3 {
    font-size: 22px;
    letter-spacing: -0.02em;
    font-weight: 500;
    margin-bottom: 14px;
  }
  .contact-card p {
    font-size: 14.5px;
    color: var(--muted);
    margin-bottom: 24px;
    line-height: 1.55;
  }
  .contact-card .email {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
    padding-bottom: 3px;
    border-bottom: 1px solid var(--ink);
    transition: color 0.15s, border-color 0.15s;
  }
  .contact-card .email:hover { color: var(--orange); border-color: var(--orange); }

  /* FOOTER */
  footer {
    background: var(--dark);
    color: var(--dark-muted);
    padding: 64px 0 32px;
    margin-top: 0;
  }
  .footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--dark-line);
  }
  .footer-top .footer-logo img { height: 56px; filter: brightness(1.05); }
  footer h4 {
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--dark-muted);
    font-weight: 500;
    margin-bottom: 18px;
  }
  footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
  footer a { color: #E4E1DA; font-size: 14px; transition: color 0.15s; }
  footer a:hover { color: var(--orange); }
  .footer-bottom {
    padding-top: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--dark-muted);
    flex-wrap: wrap;
    gap: 12px;
  }
  .footer-bottom .lang-toggle {
    background: transparent;
    border-color: var(--dark-line);
  }
  .footer-bottom .lang-toggle button.active {
    background: var(--orange);
    color: #fff;
  }
  .footer-bottom .lang-toggle button { color: var(--dark-muted); }

  /* RESPONSIVE */
  @media (max-width: 960px) {
    .hero-grid { grid-template-columns: 1fr; }
    .viz { max-width: 460px; margin: 0 auto; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .stat:nth-child(2) { border-right: 0; }
    .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
    .pipeline { grid-template-columns: repeat(2, 1fr); }
    .step:nth-child(2) { border-right: 0; }
    .step:nth-child(3), .step:nth-child(4) { border-top: 1px solid var(--line); margin-top: 24px; padding-top: 32px; }
    .cap-grid { grid-template-columns: repeat(2, 1fr); }
    .section-head { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .nav-links { display: none; }
  }
  @media (max-width: 560px) {
    .container { padding: 0 20px; }
    .section { padding: 80px 0; }
    .hero { padding: 56px 0 72px; }
    .stats-row { grid-template-columns: 1fr; }
    .stat { border-right: 0; border-bottom: 1px solid var(--line); }
    .stat:last-child { border-bottom: 0; }
    .pipeline { grid-template-columns: 1fr; }
    .step { border-right: 0; padding-right: 0 !important; padding-left: 0 !important; }
    .step + .step { border-top: 1px solid var(--line); margin-top: 24px; padding-top: 32px; }
    .cap-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; }
    .nav-right .btn { display: none; }
  }