:root {
    --bg:        #F6F5EF;
    --bg-white:  #FFFFFF;
    --bg-tint:   #ECF2EC;
    --ink:       #16201A;
    --ink-soft:  #4F5A53;
    --ink-faint: #828D85;
    --green:     #166E4B;
    --green-dk:  #0F5132;
    --green-tint:#E3EEE6;
    --line:      #E4E2D6;
    --line-soft: #EDEBE1;
    --amber:     #B45309;

    --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", sans-serif;
    --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

    --maxw: 1120px;
    --radius: 18px;
    --radius-sm: 12px;
    --shadow-sm: 0 1px 2px rgba(22,32,26,.06), 0 1px 3px rgba(22,32,26,.05);
    --shadow-md: 0 4px 14px rgba(22,32,26,.07), 0 18px 40px -16px rgba(22,32,26,.16);
    --shadow-lg: 0 8px 24px rgba(22,32,26,.08), 0 30px 70px -24px rgba(22,40,28,.28);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

  body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.55;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

  section { position: relative; }
  .band-white { background: var(--bg-white); }
  .band-tint  { background: var(--bg-tint); }

  h1, h2, h3 { letter-spacing: -0.025em; line-height: 1.08; font-weight: 700; }
  .eyebrow {
    font-family: var(--mono);
    font-size: .78rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--green);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  .eyebrow::before {
    content: "";
    width: 22px; height: 1px; background: var(--green); opacity: .5;
  }

  p.lead { color: var(--ink-soft); }

  a { color: inherit; }

  /* ---------- Buttons ---------- */
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 9px;
    font-family: var(--sans); font-size: 1rem; font-weight: 600;
    border: 1px solid transparent; border-radius: 999px;
    padding: 14px 24px; cursor: pointer; text-decoration: none;
    transition: transform .15s ease, background .15s ease, box-shadow .15s ease, border-color .15s ease;
    white-space: nowrap;
  }
  .btn svg { width: 17px; height: 17px; flex: none; }
  .btn-primary { background: var(--green); color: #fff; box-shadow: 0 8px 18px -8px rgba(15,81,50,.6); }
  .btn-primary:hover { background: var(--green-dk); transform: translateY(-1px); box-shadow: 0 12px 22px -8px rgba(15,81,50,.55); }
  .btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
  .btn-ghost:hover { border-color: var(--ink-soft); background: rgba(22,32,26,.03); }
  .btn-sm { padding: 11px 18px; font-size: .95rem; }

  .textlink {
    display: inline-flex; align-items: center; gap: 7px;
    color: var(--green); font-weight: 600; text-decoration: none; font-size: 1rem;
    cursor: pointer;
  }
  .textlink:hover { color: var(--green-dk); }
  .textlink svg { width: 16px; height: 16px; transition: transform .15s ease; }
  .textlink:hover svg { transform: translateX(3px); }

  /* ---------- Top bar ---------- */
  .topbar {
    position: sticky; top: 0; z-index: 50;
    background: rgba(246,245,239,.82);
    backdrop-filter: saturate(1.4) blur(12px);
    -webkit-backdrop-filter: saturate(1.4) blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color .2s ease, background .2s ease;
  }
  .topbar.scrolled { border-color: var(--line); }
  .topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
  .logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.12rem; letter-spacing: -.02em; text-decoration: none; color: var(--ink); }
  .logo-mark {
    width: 30px; height: 30px; border-radius: 9px; background: var(--green);
    display: inline-grid; place-items: center; color: #fff; flex: none;
  }
  .logo-mark svg { width: 17px; height: 17px; }
  .logo b { color: var(--green); }

  /* ---------- Hero ---------- */
  .hero { padding: clamp(40px, 6vw, 76px) 0 clamp(56px, 8vw, 96px); overflow: hidden; }
  .hero-title { font-size: clamp(2.05rem, 4.7vw, 3.35rem); margin: 18px 0 0; max-width: 34ch; text-wrap: balance; }
  .hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: center; margin-top: clamp(30px, 4vw, 46px); }
  .hero .sub { font-size: clamp(1.05rem, 1.6vw, 1.27rem); color: var(--ink-soft); margin-top: 0; max-width: 42ch; }
  .hero .sub b { color: var(--ink); font-weight: 600; }
  .hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; margin-top: 34px; }
  .cred {
    margin-top: 26px; display: flex; flex-wrap: wrap; gap: 8px 20px;
    color: var(--ink-faint); font-size: .92rem;
  }
  .cred span { display: inline-flex; align-items: center; gap: 7px; }
  .cred svg { width: 15px; height: 15px; color: var(--green); flex: none; }

  /* hero agent card */
  .agent { position: relative; }
  .agent-card {
    background: var(--bg-white); border: 1px solid var(--line); border-radius: 22px;
    box-shadow: var(--shadow-lg); overflow: hidden;
  }
  .agent-head { display: flex; align-items: center; gap: 11px; padding: 16px 18px; border-bottom: 1px solid var(--line-soft); }
  .agent-dot { width: 34px; height: 34px; border-radius: 9px; background: var(--green-tint); color: var(--green); display: grid; place-items: center; flex: none; }
  .agent-dot svg { width: 18px; height: 18px; }
  .agent-head .nm { font-weight: 650; font-size: .98rem; letter-spacing: -.01em; }
  .agent-head .mt { font-size: .8rem; color: var(--ink-faint); }
  .agent-live { margin-left: auto; font-family: var(--mono); font-size: .72rem; font-weight: 600; color: var(--green); display: inline-flex; align-items: center; gap: 6px; background: var(--green-tint); padding: 5px 10px; border-radius: 999px; }
  .agent-live i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); display: inline-block; animation: pulse 2s infinite; }
  @keyframes pulse { 0%,100%{ opacity: 1; } 50%{ opacity: .35; } }

  .agent-body { padding: 18px; display: flex; flex-direction: column; gap: 13px; background: linear-gradient(180deg, #fbfbf7, #fff); }
  .bubble { max-width: 84%; padding: 11px 14px; border-radius: 15px; font-size: .92rem; line-height: 1.5; }
  .bubble.in  { background: #F1F0E9; color: var(--ink); border-bottom-left-radius: 5px; align-self: flex-start; }
  .bubble.out { background: var(--green); color: #fff; border-bottom-right-radius: 5px; align-self: flex-end; }
  .bubble .who { display: block; font-size: .68rem; letter-spacing: .04em; text-transform: uppercase; opacity: .65; margin-bottom: 3px; font-weight: 600; }
  .agent-foot { display: flex; align-items: center; gap: 9px; padding: 13px 18px; border-top: 1px solid var(--line-soft); font-size: .85rem; color: var(--ink-soft); }
  .agent-foot .ok { width: 19px; height: 19px; border-radius: 50%; background: var(--green); color: #fff; display: grid; place-items: center; flex: none; }
  .agent-foot .ok svg { width: 11px; height: 11px; }
  .agent-foot b { color: var(--ink); font-weight: 650; }

  .stat-chip {
    position: absolute; left: -18px; bottom: 34px;
    background: var(--bg-white); border: 1px solid var(--line); border-radius: 14px;
    box-shadow: var(--shadow-md); padding: 12px 16px; display: flex; align-items: center; gap: 11px;
  }
  .stat-chip .big { font-size: 1.5rem; font-weight: 700; letter-spacing: -.03em; color: var(--green); line-height: 1; }
  .stat-chip .sm { font-size: .78rem; color: var(--ink-soft); line-height: 1.25; max-width: 12ch; }

  /* ---------- Generic section ---------- */
  .sec { padding: clamp(56px, 8vw, 104px) 0; }
  .sec-head { max-width: 60ch; }
  .sec-head h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); margin-top: 14px; }
  .sec-head .sd { color: var(--ink-soft); font-size: 1.1rem; margin-top: 16px; max-width: 52ch; }

  /* ---------- Problem ---------- */
  .prob-list { list-style: none; display: grid; gap: 0; margin-top: 38px; max-width: 880px; }
  .prob-list li {
    display: flex; gap: 18px; align-items: flex-start; padding: 24px 0;
    border-top: 1px solid var(--line); font-size: clamp(1.08rem, 1.9vw, 1.34rem);
    color: var(--ink); letter-spacing: -.01em; line-height: 1.4;
  }
  .prob-list li:last-child { border-bottom: 1px solid var(--line); }
  .prob-num { font-family: var(--mono); font-size: .95rem; color: var(--green); font-weight: 600; padding-top: 6px; flex: none; }
  .prob-frame { margin-top: 34px; font-size: clamp(1.05rem, 2vw, 1.28rem); color: var(--ink-soft); max-width: 46ch; }
  .prob-frame em { color: var(--ink); font-style: italic; }

  /* ---------- Services ---------- */
  .cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 46px; align-items: stretch; }
  .card {
    background: var(--bg-white); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 28px 26px 26px; display: flex; flex-direction: column;
    box-shadow: var(--shadow-sm); transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  }
  .card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #d8d6c8; }
  .card .ico { width: 42px; height: 42px; border-radius: 11px; background: var(--green-tint); color: var(--green); display: grid; place-items: center; margin-bottom: 18px; }
  .card .ico svg { width: 22px; height: 22px; }
  .card h3 { font-size: 1.32rem; letter-spacing: -.02em; }
  .card .tag { color: var(--green); font-weight: 600; font-size: .95rem; margin-top: 5px; }
  .card .out { color: var(--ink-soft); font-size: .97rem; margin-top: 14px; line-height: 1.55; }
  .scope { list-style: none; margin: 20px 0 0; display: grid; gap: 11px; }
  .scope li { display: flex; gap: 10px; font-size: .9rem; color: var(--ink); line-height: 1.45; }
  .scope li svg { width: 16px; height: 16px; color: var(--green); flex: none; margin-top: 2px; }
  .card-foot { margin-top: auto; padding-top: 22px; }
  .price-row { display: flex; align-items: baseline; gap: 10px; font-family: var(--mono); margin-top: 22px; }
  .price-row .pr { font-size: 1.15rem; font-weight: 700; color: var(--ink); letter-spacing: -.02em; }
  .price-row .du { font-size: .85rem; color: var(--ink-faint); }
  .riskline { font-size: .82rem; color: var(--green); font-weight: 600; margin-top: 6px; display: flex; align-items: center; gap: 6px; }
  .riskline svg { width: 14px; height: 14px; flex: none; }
  .card .btn { margin-top: 20px; width: 100%; }

  /* custom subsection */
  .custom {
    margin-top: 26px; background: var(--bg-white); border: 1px solid var(--line);
    border-radius: var(--radius); padding: clamp(28px, 4vw, 44px); box-shadow: var(--shadow-sm);
    display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(28px, 4vw, 56px); align-items: center;
  }
  .custom h3 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
  .custom p { color: var(--ink-soft); margin-top: 14px; font-size: 1.02rem; }
  .custom .btn { margin-top: 24px; }
  .custom-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .ctag { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 15px 16px; }
  .ctag b { display: block; font-size: .98rem; letter-spacing: -.01em; }
  .ctag span { color: var(--ink-soft); font-size: .86rem; display: block; margin-top: 3px; line-height: 1.4; }

  /* ---------- How it works ---------- */
  .timeline { max-width: 760px; margin: 48px auto 0; position: relative; }
  .step { display: grid; grid-template-columns: 56px 1fr; gap: 22px; padding-bottom: 38px; position: relative; }
  .step:last-child { padding-bottom: 0; }
  .step::before {
    content: ""; position: absolute; left: 27px; top: 52px; bottom: -4px; width: 2px; background: var(--line);
  }
  .step:last-child::before { display: none; }
  .step-num {
    width: 56px; height: 56px; border-radius: 50%; border: 2px solid var(--line); background: var(--bg-white);
    display: grid; place-items: center; font-family: var(--mono); font-weight: 700; font-size: 1.15rem;
    color: var(--ink-soft); flex: none; z-index: 1; transition: all .2s;
  }
  .step-body { padding-top: 5px; }
  .step-body h3 { font-size: 1.2rem; letter-spacing: -.02em; }
  .step-body p { color: var(--ink-soft); margin-top: 9px; font-size: 1rem; line-height: 1.6; }
  .step.key .step-num { background: var(--green); border-color: var(--green); color: #fff; box-shadow: 0 8px 18px -8px rgba(15,81,50,.7); }
  .step.key .step-body { background: var(--green-tint); border: 1px solid #cfe3d6; border-radius: var(--radius); padding: 20px 22px; margin-top: -4px; }
  .step.key .step-body h3 { color: var(--green-dk); }
  .step.key .step-body p { color: #2f5343; }
  .step.key .step-body p b { color: var(--green-dk); }

  .center-cta { text-align: center; margin-top: 52px; }

  /* ---------- Why cheaper ---------- */
  .cheaper { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
  .cheaper-copy p { color: var(--ink-soft); font-size: 1.08rem; margin-top: 18px; line-height: 1.65; }
  .cheaper-copy p b { color: var(--ink); font-weight: 650; }
  .cheaper .btn { margin-top: 28px; }
  .compare { background: var(--bg-white); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-md); }
  .compare .row { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; }
  .compare .row + .row { border-top: 1px solid var(--line-soft); }
  .compare .lbl { font-size: .95rem; color: var(--ink-soft); }
  .compare .val { font-family: var(--mono); font-weight: 700; font-size: 1.25rem; letter-spacing: -.02em; }
  .compare .val.us { color: var(--green); }
  .compare .val.them { color: var(--ink-faint); text-decoration: line-through; text-decoration-thickness: 1.5px; }
  .compare .barwrap { height: 9px; background: var(--bg); border-radius: 999px; overflow: hidden; margin-top: 4px; }
  .compare .bar { height: 100%; border-radius: 999px; }
  .compare .bar.us { background: var(--green); }
  .compare .bar.them { background: #c9c6b8; }
  .compare .cap { font-family: var(--mono); font-size: .72rem; color: var(--ink-faint); margin-top: 18px; text-align: center; letter-spacing: .03em; }

  /* ---------- Why us ---------- */
  .why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 46px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
  .why-cell { background: var(--bg-white); padding: 32px clamp(26px, 3vw, 38px); }
  .why-cell .wn { width: 38px; height: 38px; border-radius: 10px; background: var(--green-tint); color: var(--green); display: grid; place-items: center; margin-bottom: 16px; }
  .why-cell .wn svg { width: 19px; height: 19px; }
  .why-cell h3 { font-size: 1.18rem; letter-spacing: -.02em; }
  .why-cell p { color: var(--ink-soft); margin-top: 9px; font-size: .98rem; line-height: 1.55; }

  /* ---------- FAQ ---------- */
  .faq { max-width: 820px; margin: 42px auto 0; border-top: 1px solid var(--line); }
  .qa { border-bottom: 1px solid var(--line); }
  .qa-q { width: 100%; background: none; border: none; cursor: pointer; font-family: var(--sans);
    display: flex; align-items: center; justify-content: space-between; gap: 20px;
    padding: 24px 4px; text-align: left; color: var(--ink); font-size: clamp(1.02rem, 1.8vw, 1.18rem);
    font-weight: 650; letter-spacing: -.015em; }
  .qa-q .pm { width: 26px; height: 26px; flex: none; position: relative; color: var(--green); }
  .qa-q .pm::before, .qa-q .pm::after { content: ""; position: absolute; background: currentColor; border-radius: 2px; transition: transform .25s ease, opacity .25s ease; }
  .qa-q .pm::before { left: 4px; right: 4px; top: 12px; height: 2px; }
  .qa-q .pm::after  { top: 4px; bottom: 4px; left: 12px; width: 2px; }
  .qa.open .qa-q .pm::after { transform: scaleY(0); opacity: 0; }
  .qa-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
  .qa-a-inner { padding: 0 4px 26px; color: var(--ink-soft); font-size: 1rem; line-height: 1.65; max-width: 70ch; }
  .center-cta.faq-cta { margin-top: 44px; }

  /* ---------- Form ---------- */
  .form-sec { padding: clamp(56px, 8vw, 104px) 0; }
  .form-head { text-align: center; max-width: 620px; margin: 0 auto; }
  .form-head h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin-top: 14px; }
  .form-head .sd { color: var(--ink-soft); font-size: 1.08rem; margin-top: 16px; }
  .form-card {
    max-width: 660px; margin: 44px auto 0; background: var(--bg-white); border: 1px solid var(--line);
    border-radius: 22px; box-shadow: var(--shadow-md); padding: clamp(28px, 4vw, 44px);
  }
  .field { margin-bottom: 20px; }
  .field label { display: block; font-size: .9rem; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
  .field label .opt { color: var(--ink-faint); font-weight: 500; }
  .field input, .field select, .field textarea {
    width: 100%; font-family: var(--sans); font-size: 1rem; color: var(--ink);
    background: var(--bg); border: 1px solid var(--line); border-radius: 11px; padding: 13px 15px;
    transition: border-color .15s ease, box-shadow .15s ease, background .15s;
  }
  .field input:focus, .field select:focus, .field textarea:focus {
    outline: none; border-color: var(--green); background: #fff; box-shadow: 0 0 0 3px rgba(22,110,75,.12);
  }
  .field textarea { resize: vertical; min-height: 96px; }
  .field .micro { font-size: .82rem; color: var(--ink-faint); margin-top: 7px; line-height: 1.4; }
  .field .warn { font-size: .82rem; color: var(--amber); margin-top: 7px; display: none; align-items: center; gap: 6px; }
  .field .warn.show { display: flex; }
  .field .warn svg { width: 14px; height: 14px; flex: none; }
  .two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  .form-card .btn { width: 100%; margin-top: 6px; font-size: 1.05rem; padding: 16px; }

  .form-alt { text-align: center; margin: 28px auto 0; max-width: 660px; color: var(--ink-soft); font-size: .98rem; line-height: 1.8; }
  .form-alt a { color: var(--green); font-weight: 600; text-decoration: none; }
  .form-alt a:hover { text-decoration: underline; }
  .form-alt .priv { color: var(--ink-faint); font-size: .86rem; margin-top: 14px; }

  /* success state */
  .success { display: none; text-align: center; padding: 14px 0 6px; }
  .success.show { display: block; animation: rise .4s ease; }
  @keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
  .success .check { width: 64px; height: 64px; border-radius: 50%; background: var(--green); color: #fff; display: grid; place-items: center; margin: 0 auto 20px; box-shadow: 0 10px 24px -8px rgba(15,81,50,.6); }
  .success .check svg { width: 30px; height: 30px; }
  .success h3 { font-size: 1.5rem; letter-spacing: -.02em; }
  .success p { color: var(--ink-soft); margin-top: 12px; max-width: 42ch; margin-left: auto; margin-right: auto; }
  .success .chans { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 26px; }
  .success .chans a {
    display: inline-flex; align-items: center; gap: 9px; text-decoration: none; color: var(--ink);
    border: 1px solid var(--line); border-radius: 999px; padding: 11px 18px; font-weight: 600; font-size: .95rem;
    background: var(--bg); transition: border-color .15s, background .15s;
  }
  .success .chans a:hover { border-color: var(--green); background: var(--green-tint); }
  .success .chans svg { width: 17px; height: 17px; color: var(--green); }

  /* ---------- Footer ---------- */
  footer { background: var(--ink); color: #cdd4cf; padding: 40px 0; }
  footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 28px; }
  footer .logo { color: #fff; }
  footer .logo b { color: #7fc79f; }
  footer .f-links { display: flex; flex-wrap: wrap; gap: 10px 24px; font-size: .9rem; }
  footer .f-links a { color: #cdd4cf; text-decoration: none; }
  footer .f-links a:hover { color: #fff; }
  footer .copy { font-size: .85rem; color: #8a948d; width: 100%; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); margin-top: 6px; }

  /* ---------- Motion ---------- */
  @media (prefers-reduced-motion: no-preference) {
    .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
    .reveal.in { opacity: 1; transform: none; }
    .stat-chip { animation: floaty 5.5s ease-in-out infinite; }
    @keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
    .compare .bar { transform: scaleX(0); transform-origin: left; transition: transform 1.1s cubic-bezier(.16,1,.3,1) .25s; }
    .compare.in .bar { transform: scaleX(1); }
    .agent-live i { animation: pulse 2s infinite; }
  }

  /* ---------- Responsive ---------- */
  @media (max-width: 920px) {
    .hero-grid { grid-template-columns: 1fr; }
    .agent { max-width: 460px; margin: 0 auto; width: 100%; }
    .cards { grid-template-columns: 1fr; max-width: 460px; margin-left: auto; margin-right: auto; }
    .custom { grid-template-columns: 1fr; }
    .cheaper { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
  }
  @media (max-width: 560px) {
    body { font-size: 16px; }
    .wrap { padding: 0 18px; }
    .topbar .wrap { height: 60px; }
    .hero { padding: 34px 0 44px; }
    .hero-cta { gap: 12px; }
    .hero-cta .btn { width: 100%; }
    .custom-grid { grid-template-columns: 1fr; }
    .two { grid-template-columns: 1fr; }
    .stat-chip { left: 8px; bottom: -16px; }
    .step { grid-template-columns: 44px 1fr; gap: 16px; }
    .step-num { width: 44px; height: 44px; font-size: 1rem; }
    .step::before { left: 21px; top: 46px; }
    .compare { padding: 22px; }
    .success .chans { flex-direction: column; }
    .success .chans a { justify-content: center; }
  }