:root {
    --paper: #FAF9F5;
    --ink: #1B2A4A;
    --ink-soft: #4A5568;
    --line: #E8E4DB;
    --orange: #F0821E;
    --teal: #3EB8AC;
    --purple: #7A2FBF;
    --card: #FFFFFF;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { font-family: 'Inter', sans-serif; background: var(--paper); color: var(--ink); line-height: 1.6; }
  h1, h2, h3 { font-family: 'Space Grotesk', sans-serif; line-height: 1.15; letter-spacing: -0.01em; }
  a { color: inherit; }
  .wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

  /* ---------- nav ---------- */
  nav { position: sticky; top: 0; background: rgba(250,249,245,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); z-index: 50; }
  .nav-in { display: flex; align-items: center; justify-content: space-between; height: 64px; }
  .nav-logo { height: 30px; display: block; }
  .btn { display: inline-block; font-weight: 600; font-size: 15px; padding: 11px 22px; border-radius: 10px; text-decoration: none; transition: transform .15s ease, box-shadow .15s ease; }
  .btn:hover { transform: translateY(-1px); }
  .btn-primary { background: var(--ink); color: #fff; box-shadow: 0 2px 10px rgba(27,42,74,.25); }
  .btn-ghost { border: 1.5px solid var(--ink); color: var(--ink); }
  .nav .btn { padding: 9px 18px; font-size: 14px; }

  /* ---------- hero ---------- */
  .hero { padding: 72px 0 64px; }
  .hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
  .hero h1 { font-size: 46px; font-weight: 700; margin-bottom: 18px; }
  .hero h1 .thread { color: var(--orange); }
  .hero .sub { font-size: 18px; color: var(--ink-soft); margin-bottom: 28px; max-width: 46ch; }
  .hero .sub b { color: var(--ink); }
  .hero-ctas { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
  .hero-note { font-size: 13.5px; color: var(--ink-soft); margin-top: 14px; }

  /* demo card: message -> job card */
  .demo { position: relative; min-height: 400px; }
  .demo-inner { transition: opacity .45s ease; }
  .demo-inner.out { opacity: 0; }
  .chip-mail { background: #1B2A4A !important; }
  .chip-ig { background: #C13584 !important; }
  .demo-msg { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; font-size: 14px; box-shadow: 0 6px 24px rgba(27,42,74,.07); max-width: 92%; }
  .demo-msg .from { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 13px; margin-bottom: 8px; color: var(--ink-soft); }
  .demo-msg .chip { font-size: 11px; font-weight: 700; color: #fff; background: #25A55F; border-radius: 6px; padding: 2px 7px; letter-spacing: .3px; }
  .demo-msg p { font-family: 'IBM Plex Mono', monospace; font-size: 13px; line-height: 1.65; }
  .demo-msg .hl-date { border-bottom: 2px solid var(--teal); font-weight: 600; }
  .demo-msg .hl-qty { border-bottom: 2px solid var(--purple); font-weight: 600; }
  .demo-msg .hl-req { border-bottom: 2px solid var(--orange); font-weight: 600; }
  .demo-arrow { display: flex; align-items: center; gap: 10px; margin: 14px 0 14px 24px; color: var(--ink-soft); font-size: 12.5px; font-weight: 600; letter-spacing: .5px; }
  .demo-arrow svg { flex: none; }
  .demo-card { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--teal); border-radius: 14px; padding: 18px 20px; box-shadow: 0 10px 30px rgba(27,42,74,.10); margin-left: 8%; }
  .demo-card h3 { font-size: 15.5px; margin-bottom: 4px; }
  .demo-card .meta { font-size: 12.5px; color: var(--ink-soft); margin-bottom: 12px; }
  .demo-card .meta b { color: var(--ink); }
  .task { display: flex; align-items: center; gap: 9px; font-size: 13.5px; padding: 6px 0; border-top: 1px dashed var(--line); }
  .task .box { width: 16px; height: 16px; border-radius: 4px; border: 1.5px solid var(--teal); flex: none; position: relative; }
  .task.done .box { background: var(--teal); }
  .task.done .box::after { content: "✓"; color: #fff; font-size: 11px; position: absolute; top: -2px; left: 2.5px; }
  .task.warn { color: #B4590A; font-weight: 600; }
  .task.warn .box { border-color: var(--orange); background: #FDF0E3; }
  .task.warn .box::after { content: "!"; color: var(--orange); font-weight: 700; font-size: 11px; position: absolute; top: -2px; left: 5px; }

  /* staged reveal */
  .stage { opacity: 0; transform: translateY(10px); animation: rise .6s ease forwards; }
  .st1 { animation-delay: .2s; } .st2 { animation-delay: 1.1s; } .st3 { animation-delay: 1.6s; }
  .st4 { animation-delay: 2.1s; } .st5 { animation-delay: 2.5s; } .st6 { animation-delay: 2.9s; } .st7 { animation-delay: 3.4s; }
  @keyframes rise { to { opacity: 1; transform: none; } }
  @media (prefers-reduced-motion: reduce) {
    .stage { animation: none; opacity: 1; transform: none; }
  }

  /* ---------- sections ---------- */
  section { padding: 72px 0; }
  .eyebrow { font-size: 12.5px; font-weight: 700; letter-spacing: 2px; margin-bottom: 10px; }
  .sec-h { font-size: 32px; font-weight: 700; margin-bottom: 14px; max-width: 24ch; }
  .sec-p { font-size: 16.5px; color: var(--ink-soft); max-width: 62ch; }

  /* problem band */
  .problem { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .prob-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
  .bubble { border: 1px solid var(--line); background: var(--paper); border-radius: 12px; padding: 12px 16px; font-size: 14px; margin-bottom: 10px; max-width: 420px; }
  .bubble .src { font-size: 11px; font-weight: 700; letter-spacing: 1px; margin-bottom: 3px; }
  .b1 .src { color: var(--orange); } .b2 .src { color: var(--teal); } .b3 .src { color: var(--purple); }
  .b2 { margin-left: 32px; } .b3 { margin-left: 12px; }
  .prob-close { font-size: 15px; color: var(--ink-soft); margin-top: 16px; }
  .prob-close b { color: var(--ink); }

  /* steps: the thread runs through */
  .steps-rail { position: relative; margin-top: 44px; }
  .rail-line { position: absolute; left: 0; right: 0; top: 26px; height: 3px; background: var(--ink); opacity: .12; border-radius: 2px; }
  .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
  .stepc .dot { width: 52px; height: 52px; border-radius: 50%; background: #fff; border: 2.5px solid var(--ink); display: flex; align-items: center; justify-content: center; font-family: 'Space Grotesk'; font-weight: 700; font-size: 18px; margin-bottom: 16px; position: relative; z-index: 1; }
  .stepc:nth-child(1) .dot { border-color: var(--orange); color: var(--orange); }
  .stepc:nth-child(2) .dot { border-color: var(--teal); color: var(--teal); }
  .stepc:nth-child(3) .dot { border-color: var(--purple); color: var(--purple); }
  .stepc h3 { font-size: 17px; margin-bottom: 6px; }
  .stepc p { font-size: 14px; color: var(--ink-soft); }

  /* features */
  .feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
  .feat { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px 22px 20px; }
  .feat .tick { width: 26px; height: 4px; border-radius: 2px; margin-bottom: 14px; }
  .feat:nth-child(3n+1) .tick { background: var(--orange); }
  .feat:nth-child(3n+2) .tick { background: var(--teal); }
  .feat:nth-child(3n) .tick { background: var(--purple); }
  .feat h3 { font-size: 16.5px; margin-bottom: 7px; }
  .feat p { font-size: 14px; color: var(--ink-soft); }

  /* assurance band */
  .assure { background: var(--ink); color: #EDEBE4; }
  .assure .sec-h { color: #fff; }
  .assure-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; margin-top: 36px; }
  .assure h3 { color: #fff; font-size: 16.5px; margin-bottom: 7px; }
  .assure p { font-size: 14px; color: #B9C0CF; }
  .assure .num { font-family: 'Space Grotesk'; font-size: 34px; font-weight: 700; color: #fff; }
  .assure .num.o { color: var(--orange); } .assure .num.t { color: var(--teal); }

  /* cta */
  .cta-box { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 52px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; box-shadow: 0 14px 40px rgba(27,42,74,.07); }
  .cta-box h2 { font-size: 30px; margin-bottom: 12px; }
  .cta-box .sec-p { font-size: 15.5px; }
  form .row { display: flex; flex-direction: column; gap: 12px; }
  input { font-family: 'Inter'; font-size: 15px; padding: 13px 16px; border: 1.5px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--ink); }
  input:focus { outline: 2px solid var(--teal); border-color: var(--teal); }
  form button { font-family: 'Inter'; font-weight: 700; font-size: 15px; padding: 14px; border: 0; border-radius: 10px; background: var(--ink); color: #fff; cursor: pointer; transition: transform .15s ease; }
  form button:hover { transform: translateY(-1px); }
  select { font-family: 'Inter'; font-size: 15px; padding: 13px 16px; border: 1.5px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--ink); }
  select:focus { outline: 2px solid var(--teal); border-color: var(--teal); }
  .consent { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--ink-soft); line-height: 1.45; }
  .consent input { flex: none; width: 16px; height: 16px; margin-top: 2px; padding: 0; accent-color: var(--ink); }
  .hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
  .turnstile:empty { display: none; }
  form button:disabled { opacity: .6; cursor: default; transform: none; }
  .form-status { font-size: 13.5px; }
  .form-status:empty { display: none; }
  .form-status.ok { color: #1F7A6F; font-weight: 600; }
  .form-status.error { color: #B4461A; font-weight: 600; }
  .form-note { font-size: 12.5px; color: var(--ink-soft); margin-top: 10px; }
  .form-note a { color: var(--teal); font-weight: 600; }

  /* footer */
  footer { border-top: 1px solid var(--line); padding: 44px 0 36px; }
  .foot { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1.1fr; gap: 36px; font-size: 13.5px; color: var(--ink-soft); }
  .foot h4 { font-size: 12px; letter-spacing: 1.5px; color: var(--ink); margin-bottom: 10px; }
  .foot a { text-decoration: none; }
  .foot a:hover { color: var(--ink); }
  .foot-logo { height: 26px; margin-bottom: 12px; }
  .legal { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 12px; color: #8B93A5; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

  /* responsive */
  @media (max-width: 900px) {
    .hero h1 { font-size: 34px; }
    .hero-grid, .prob-grid, .cta-box { grid-template-columns: 1fr; gap: 36px; }
    .steps { grid-template-columns: 1fr 1fr; }
    .rail-line { display: none; }
    .feats { grid-template-columns: 1fr; }
    .assure-grid { grid-template-columns: 1fr; }
    .foot { grid-template-columns: 1fr; }
    .cta-box { padding: 32px 24px; }
  }

/* Former inline style attributes (P6-02): the page carries no inline style or script, so CSP can forbid both. */
.c-orange{color:var(--orange)}
.c-teal{color:var(--teal)}
.c-purple{color:var(--purple)}