:root {
    --bg: #0a0b0d;
    --bg-raised: #121417;
    --bg-card: #15181c;
    --line: #24282e;
    --text: #f2f3f1;
    --text-dim: #9aa1a9;
    --accent: #d9f24f;
    --accent-ink: #131500;
    --radius: 14px;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  h1, h2, h3, .display { font-family: 'Space Grotesk', 'Inter', sans-serif; }
  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; }
  .wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

  /* Nav */
  nav {
    position: sticky; top: 0; z-index: 50;
    background: rgba(10,11,13,0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
  }
  .nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
  }
  .logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700; font-size: 18px; letter-spacing: 0.04em;
  }
  .logo span { color: var(--accent); }
  .nav-links { display: flex; gap: 28px; align-items: center; }
  .nav-links a { color: var(--text-dim); font-size: 14px; font-weight: 500; transition: color .15s; }
  .nav-links a:hover { color: var(--text); }
  .nav-links a.btn, .nav-links a.btn:hover { color: var(--accent-ink); }
  .btn {
    display: inline-block;
    background: var(--accent); color: var(--accent-ink);
    font-weight: 600; font-size: 15px;
    padding: 12px 24px; border-radius: 100px;
    border: none; cursor: pointer;
    transition: transform .15s, opacity .15s;
    font-family: 'Inter', sans-serif;
  }
  .btn:hover { transform: translateY(-1px); opacity: .92; }
  .btn.small { padding: 9px 18px; font-size: 14px; }
  .btn.ghost {
    background: transparent; color: var(--text);
    border: 1px solid var(--line);
  }

  /* Hero */
  .hero { padding: 96px 0 72px; }
  .hero h1 {
    font-size: clamp(38px, 6vw, 64px);
    line-height: 1.05; font-weight: 700; letter-spacing: -0.02em;
    max-width: 820px;
  }
  .hero h1 em { font-style: normal; color: var(--accent); }
  .hero p.lede {
    margin-top: 24px; font-size: 19px; color: var(--text-dim);
    max-width: 620px;
  }
  .hero-ctas { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }
  .hero-facts {
    margin-top: 56px; display: flex; gap: 12px; flex-wrap: wrap;
  }
  .fact {
    background: var(--bg-raised); border: 1px solid var(--line);
    border-radius: 100px; padding: 8px 18px;
    font-size: 14px; color: var(--text-dim); font-weight: 500;
  }
  .fact b { color: var(--text); font-weight: 600; }

  /* Sections */
  section { padding: 72px 0; }
  .kicker {
    font-size: 13px; font-weight: 600; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--accent); margin-bottom: 14px;
  }
  h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 700; letter-spacing: -0.01em; }

  /* Approach flowchart */
  #approach { border-top: 1px solid var(--line); }
  .approach-lede { margin-top: 16px; max-width: 640px; color: var(--text-dim); font-size: 17px; }
  .flow { margin-top: 48px; display: flex; align-items: stretch; gap: 0; }
  .flow-node {
    flex: 1;
    background: var(--bg-card); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 26px 24px;
    position: relative;
  }
  .flow-node.final { border-color: rgba(217,242,79,0.45); background: linear-gradient(180deg, rgba(217,242,79,0.06), var(--bg-card)); }
  .flow-node .flow-step {
    font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--accent); margin-bottom: 12px; display: block;
  }
  .flow-node h3 { font-size: 19px; font-weight: 600; margin-bottom: 8px; }
  .flow-node p { font-size: 14.5px; color: var(--text-dim); }
  .flow-arrow {
    display: flex; align-items: center; justify-content: center;
    padding: 0 6px; flex: 0 0 auto;
  }
  .flow-arrow svg { width: 34px; height: 34px; }
  .flow-arrow .shaft { stroke: var(--accent); stroke-width: 2.5; fill: none; }

  /* Subscription overload */
  #onetool { border-top: 1px solid var(--line); }
  .onetool-grid { margin-top: 48px; display: grid; grid-template-columns: 1.1fr auto 1fr; gap: 26px; align-items: center; }
  .sub-pile { display: flex; flex-wrap: wrap; gap: 10px; }
  .sub {
    background: var(--bg-card); border: 1px solid var(--line);
    border-radius: 10px; padding: 10px 16px;
    font-size: 14px; font-weight: 500; color: var(--text-dim);
    transform: rotate(var(--tilt, 0deg));
  }
  .sub b { color: var(--text); font-weight: 600; }
  .sub small { color: var(--text-dim); font-size: 12px; margin-left: 8px; }
  .onetool-arrow { display: flex; align-items: center; }
  .onetool-arrow svg { width: 40px; height: 40px; }
  .onetool-card {
    background: linear-gradient(180deg, rgba(217,242,79,0.08), var(--bg-card));
    border: 1px solid rgba(217,242,79,0.45);
    border-radius: var(--radius); padding: 30px 28px;
  }
  .onetool-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 10px; }
  .onetool-card p { font-size: 15px; color: var(--text-dim); }
  .onetool-lede { margin-top: 16px; max-width: 680px; color: var(--text-dim); font-size: 17px; }

  /* Case study modal */
  .cs { cursor: pointer; }
  .cs-open {
    margin-top: 4px; font-size: 14px; font-weight: 600; color: var(--accent);
  }
  .modal-overlay {
    position: fixed; inset: 0; z-index: 100;
    background: rgba(5,6,8,0.8); backdrop-filter: blur(6px);
    display: none; align-items: flex-start; justify-content: center;
    overflow-y: auto; padding: 40px 16px;
  }
  .modal-overlay.open { display: flex; }
  .modal {
    background: var(--bg-raised); border: 1px solid var(--line);
    border-radius: 18px; max-width: 860px; width: 100%;
    padding: 40px; position: relative;
  }
  .modal-close {
    position: absolute; top: 18px; right: 18px;
    background: var(--bg-card); border: 1px solid var(--line);
    color: var(--text); border-radius: 100px;
    width: 38px; height: 38px; font-size: 17px; cursor: pointer;
  }
  .modal .cs-tag { margin-bottom: 14px; }
  .modal h3 { font-size: 28px; font-weight: 700; font-family: 'Space Grotesk', sans-serif; }
  .modal .tagline { color: var(--text-dim); font-size: 16px; margin-top: 6px; }
  .modal h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 13px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--accent); margin: 26px 0 8px;
  }
  .modal p { font-size: 15.5px; color: var(--text-dim); }
  .modal .shots { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 14px; }
  .modal .shots img {
    width: 100%; border-radius: 10px; border: 1px solid var(--line); display: block;
    align-self: flex-start;
  }
  .modal .shots img.tall { width: calc(50% - 7px); min-width: 240px; }

  /* Capabilities */
  .cap-grid {
    margin-top: 44px;
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  }
  .cap {
    background: var(--bg-card); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 22px 20px;
    transition: border-color .15s;
  }
  .cap:hover { border-color: #3a4048; }
  .cap h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
  .cap p { font-size: 13.5px; color: var(--text-dim); line-height: 1.5; }
  .cap .ico { font-size: 20px; margin-bottom: 12px; display: block; }

  /* Case studies */
  #work { background: var(--bg-raised); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .work-intro { max-width: 640px; margin-top: 16px; color: var(--text-dim); font-size: 17px; }
  .cs-grid { margin-top: 44px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .cs:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .cs {
    background: var(--bg-card); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 28px;
    display: flex; flex-direction: column; gap: 14px;
  }
  .cs-tag {
    align-self: flex-start;
    font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--accent);
    background: rgba(217,242,79,0.08);
    border: 1px solid rgba(217,242,79,0.25);
    padding: 4px 12px; border-radius: 100px;
  }
  .cs h3 { font-size: 21px; font-weight: 600; }
  .cs p { font-size: 14.5px; color: var(--text-dim); }
  .chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; padding-top: 6px; }
  .chip {
    font-size: 12.5px; color: var(--text-dim);
    background: var(--bg); border: 1px solid var(--line);
    padding: 4px 11px; border-radius: 100px;
  }

  /* Pricing */
  .price-grid { margin-top: 44px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .price {
    background: var(--bg-card); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 30px 26px;
  }
  .price.feature { border-color: rgba(217,242,79,0.4); }
  .price .amount {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 34px; font-weight: 700; letter-spacing: -0.01em;
  }
  .price .amount small { font-size: 15px; font-weight: 500; color: var(--text-dim); }
  .price .band { font-size: 14px; font-weight: 600; color: var(--accent); margin-bottom: 10px; }
  .price ul { list-style: none; margin-top: 18px; display: flex; flex-direction: column; gap: 9px; }
  .price li {
    font-size: 14px; color: var(--text-dim);
    padding-left: 22px; position: relative;
  }
  .price li::before {
    content: ''; position: absolute; left: 0; top: 7px;
    width: 12px; height: 12px; border-radius: 3px;
    background: rgba(217,242,79,0.18);
    border: 1px solid rgba(217,242,79,0.5);
  }
  .host-line {
    margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line);
    font-size: 13.5px; font-weight: 600; color: var(--text);
  }
  .price-note { margin-top: 24px; font-size: 14px; color: var(--text-dim); max-width: 560px; }

  /* Process */
  .steps { margin-top: 44px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .step {
    border: 1px solid var(--line); border-radius: var(--radius);
    padding: 28px 24px; background: var(--bg-card);
  }
  .step .num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 14px; font-weight: 700; color: var(--accent);
    margin-bottom: 14px; display: block; letter-spacing: 0.08em;
  }
  .step h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
  .step p { font-size: 14.5px; color: var(--text-dim); }

  /* Contact */
  #contact { background: var(--bg-raised); border-top: 1px solid var(--line); }
  .contact-grid { margin-top: 44px; display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
  .contact-copy p { color: var(--text-dim); font-size: 16px; margin-top: 14px; max-width: 400px; }
  form { display: flex; flex-direction: column; gap: 14px; }
  label { font-size: 13.5px; font-weight: 600; margin-bottom: 6px; display: block; }
  input, textarea {
    width: 100%;
    background: var(--bg); border: 1px solid var(--line);
    border-radius: 10px; padding: 13px 15px;
    color: var(--text); font-family: 'Inter', sans-serif; font-size: 15px;
    outline: none; transition: border-color .15s;
  }
  input:focus, textarea:focus { border-color: var(--accent); }
  textarea { min-height: 120px; resize: vertical; }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .form-msg { font-size: 14.5px; min-height: 22px; }
  .form-msg.ok { color: var(--accent); }
  .form-msg.err { color: #ff7a7a; }

  footer {
    border-top: 1px solid var(--line);
    padding: 36px 0; font-size: 13.5px; color: var(--text-dim);
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  }

  @media (max-width: 1100px) {
    .price-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 900px) {
    .flow { flex-direction: column; }
    .flow-arrow { padding: 6px 0; }
    .flow-arrow svg { transform: rotate(90deg); }
    .onetool-grid { grid-template-columns: 1fr; }
    .onetool-arrow svg { transform: rotate(90deg); }
    .modal { padding: 26px 20px; }
    .modal .shots img.tall { width: 100%; }
    .cap-grid { grid-template-columns: 1fr 1fr; }
    .cs-grid, .price-grid, .steps { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .nav-links a:not(.btn) { display: none; }
    .hero { padding: 64px 0 48px; }
    section { padding: 56px 0; }
  }
  @media (max-width: 560px) {
    .cap-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
  }

  /* Legal page */
  .legal { max-width: 780px; }
  .legal h1 { font-size: clamp(30px, 4.5vw, 44px); font-weight: 700; letter-spacing: -0.01em; }
  .legal .updated { margin-top: 10px; font-size: 14px; color: var(--text-dim); }
  .legal h2 { font-size: 20px; margin: 40px 0 10px; }
  .legal p { color: var(--text-dim); font-size: 15.5px; margin-top: 10px; }
  .legal p b { color: var(--text); }
  .legal a { color: var(--accent); font-weight: 600; }
  .breakit {
    margin-top: 40px; padding: 28px 28px 18px;
    background: linear-gradient(180deg, rgba(217,242,79,0.07), var(--bg-card));
    border: 1px solid rgba(217,242,79,0.45); border-radius: var(--radius);
  }
  .breakit h2 { margin-top: 0; }
  .breakit + h2 { margin-top: 44px; }
  .legal-contact { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); }

  /* Onboarding form */
  .ob-form { display: flex; flex-direction: column; gap: 16px; margin-top: 40px; }
  .ob-h {
    font-size: 20px; margin: 30px 0 2px;
    padding-top: 26px; border-top: 1px solid var(--line);
  }
  .ob-form select {
    width: 100%; background: var(--bg); border: 1px solid var(--line);
    border-radius: 10px; padding: 13px 15px;
    color: var(--text); font-family: 'Inter', sans-serif; font-size: 15px;
    outline: none; transition: border-color .15s; appearance: none;
  }
  .ob-form select:focus { border-color: var(--accent); }
  .check-row { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 6px; }
  .check-row label {
    display: flex; align-items: center; gap: 8px;
    font-weight: 500; font-size: 14.5px; color: var(--text-dim); margin: 0; cursor: pointer;
  }
  .check-row input[type=checkbox] { width: 17px; height: 17px; accent-color: var(--accent); }
  .ob-form input[type=file] {
    padding: 11px; background: var(--bg); cursor: pointer;
  }
  .ob-form input[type=file]::file-selector-button {
    background: var(--bg-card); color: var(--text); border: 1px solid var(--line);
    border-radius: 100px; padding: 7px 16px; margin-right: 12px;
    font-family: 'Inter', sans-serif; font-size: 13.5px; font-weight: 600; cursor: pointer;
  }
  .hint { font-size: 13px; color: var(--text-dim); margin-top: 6px; }
  .ob-form .btn { align-self: flex-start; margin-top: 20px; }
  .ob-done { margin-top: 48px; }
  .ob-done h2 { font-size: 26px; }
  .ob-done p { color: var(--text-dim); margin-top: 12px; max-width: 520px; }